Electric vacuum suction lifter

1. An electric vacuum suction lifter, operable to be sucked on a surface, the electric vacuum suction lifter comprising:

a main body, having a suction surface in one side of the main body, wherein the suction surface is configured with a first annular sealing unit and a second annular sealing unit thereon, one side of the first annular sealing unit which is distal from the suction surface is defined as a first adhering surface, the second annular sealing unit is disposed in a first opening of the first annular sealing unit, one side of the second annular sealing unit which is distal from the suction surface is defined as a second adhering surface, a distance between the second adhering surface and the suction surface is greater than a distance between the first adhering surface and the suction surface, and the second annular sealing unit, the suction surface and the surface together form a sealed space when the second adhering surface of the second annular sealing unit is adhered to the surface;

a control unit disposed on the main body;

a vacuum pump disposed on the main body, wherein: the vacuum pump is electrically connected to the control unit, and the vacuum pump is controlled by the control unit to draw the air inside the sealed space to the exterior of the main body;

a pressure sensing unit disposed on the main body, wherein the pressure sensing unit measures a pressure of the sealed space to generate instant pressure information;

a battery unit disposed on the main body, wherein the battery unit is electrically connected to the control unit, and the battery unit provides electric power for operation of the control unit, the vacuum pump and the pressure sensing unit, and wherein an external power equipment charges the battery unit;

a start button disposed on the main body, wherein: the start button is electrically connected to the control unit, and the control unit controls operation of the vacuum pump when the start button is pressed; and

a pressure relief button disposed on the main body, wherein the air drawn to the exterior of the main body enters into the sealed space through the main body when the pressure relief button is pressed,

wherein the delivery of the instant pressure information generated by the pressure sensing unit to the control unit for comparison of high predetermined pressure and low predetermined pressure;

wherein when the second adhering surface is adhered to the surface and the control unit controls the operation of the vacuum pump to draw the air inside the sealed space to the exterior of the main body, the control unit determines whether the pressure of the sealed space is greater than the high predetermined pressure based on the instant pressure information, when the control unit determines that the pressure of the sealed space is greater than or equal to the high predetermined pressure, the control unit controls the vacuum pump to terminate the operation of the vacuum pump,

wherein when the control unit controls the vacuum pump to terminate the operation of the vacuum pump, the pressure sensing unit continuously measures the pressure of the sealed space, and the control unit continuously determines whether the pressure of the sealed space is smaller than the low predetermined pressure based on the instant pressure information, when the control unit determines that the pressure of the sealed space is smaller than the low predetermined pressure, the control unit controls the operation of the vacuum pump, wherein a negative pressure value corresponding to the high predetermined pressure is greater than a negative pressure value corresponding to the low predetermined pressure.

2. The electric vacuum suction lifter according to claim 1 , wherein a hardness of the first annular sealing unit is greater than a hardness of the second annular sealing unit, when the second annular sealing unit is adhered to the surface and the control unit controls the operation of the vacuum pump to draw the air inside the sealed space, the second annular sealing unit deforms with a shape of the surface to tightly adhere on the surface, the main body is further configured with at least one handle, and, when the electric vacuum suction lifter is sucked on the surface of a member, the member can be carried via the handle.

3. The electric vacuum suction lifter according to claim 1 , wherein the suction surface is further configured with an abutting unit, the abutting unit is placed in a second opening of the second annular sealing unit, one side of the abutting unit which is distal from the suction surface is defined as an abutting surface, and a distance between the abutting surface and the suction surface is smaller than a distance between the second adhering surface and the suction surface.

4. The electric vacuum suction lifter according to claim 3 , wherein the suction surface is formed with an air drawing hole, the vacuum pump draws the air inside the sealed space to the exterior of the main body via the air drawing hole, the abutting unit is formed with a plurality of through holes, at least a part of the through holes are in spatial communication with one another, and at least one of the through holes spatially communicated with one another are in spatial communication with the air drawing hole.

5. The electric vacuum suction lifter according to claim 1 , wherein the control unit is able to receive external information to correspondingly adjust the high predetermined pressure, the control unit is able to receive the external information to correspondingly adjust the low predetermined pressure, the external information is generated by a user operation of an input unit of the main body or to be transmitted by an external electronic device.

6. The electric vacuum suction lifter according to claim 5 , wherein the main body is further configured with a pressure display device, the pressure display device displays the instant pressure information, the input unit and the pressure display device are electrically connected to the control unit, the input unit is operable to generate set pressure information, the control unit is able to display the set pressure information on the pressure display device, and the control unit is able to control the pressure display device to display the instant pressure information.

7. The electric vacuum suction lifter according to claim 1 , wherein the main body further includes an input unit being configured with a plurality of buttons and being able to adjust the high predetermined pressure when corresponding ones of the plurality of buttons are pressed, and the input unit is able to adjust the low predetermined pressure when corresponding ones of the plurality of buttons are pressed.

8. The electric vacuum suction lifter according to claim 1 , wherein the first adhering surface is tilted, the first adhering surface is tilted from one side that is distal from the second annular sealing unit toward one side that is adjacent to the second annular sealing unit, an outer annular surface of the second annular sealing unit is tilted, the outer annular surface is tilted from one side that is adjacent to a second opening of the second annular sealing unit toward one side that is distal from the second opening.

9. The electric vacuum suction lifter according to claim 1 , wherein the main body is further configured with a warning unit that is electrically connected to the control unit, the control unit is able to instantly detect a battery power of the battery unit, the control unit is able to control the operation of the warning unit to warn a user when the battery power of the battery unit is smaller than a predetermined battery power, when the battery power of the battery unit is smaller than the predetermined battery power and the start button is pressed, the control unit controls the operation of the warning unit and terminates the control of the operation of the vacuum pump.

10. The electric vacuum suction lifter according to claim 1 , wherein the control unit is communicatively connected to an external electronic device, the control unit is able to instantly detect a battery power of the battery unit to generate instant battery power information, the control unit transmits the instant pressure information and the instant battery power information to the external electronic device, when the control unit determines that the pressure of the sealed space is smaller than the low predetermined pressure based on the instant pressure information, the control unit transmits warning information to the external electronic device, when the control unit determines that the battery power of the battery unit is smaller than a predetermined battery power threshold based on the instant battery power information, the control unit transmits warning information to the external electronic device.

11. The electric vacuum suction lifter according to claim 1 , wherein the main body is further configured with a switch button that is electrically connected to the control unit, the control unit is able to be driven to detect a battery power of the battery unit when the switch button is pressed, when the control unit is driven by the switch button to determine that the battery power of the battery unit is smaller than a predetermined battery power threshold and the start button is pressed, the control unit controls the vacuum pump to terminate an air drawing operation.

12. An electric vacuum suction lifter, operable to be sucked on a surface, the electric vacuum suction lifter comprising:

a main body, having a suction surface in one side of the main body, wherein the suction surface is configured with a first annular sealing unit and a second annular sealing unit thereon, one side of the first annular sealing unit which is distal from the suction surface is defined as a first adhering surface, the second annular sealing unit is disposed in a first opening of the first annular sealing unit, one side of the second annular sealing unit which is distal from the suction surface is defined as a second adhering surface, a distance between the second adhering surface and the suction surface is smaller than a distance between the first adhering surface and the suction surface, and the first annular sealing unit, the suction surface and the surface together form a sealed space when the first adhering surface of the first annular sealing unit is adhered to the surface;

a control unit disposed on the main body;

a vacuum pump disposed on the main body, wherein the vacuum pump is electrically connected to the control unit, the vacuum pump is controlled by the control unit to draw the air inside the sealed space to the exterior of the main body;

a pressure sensing unit disposed on the main body, wherein the pressure sensing unit measures a pressure of the sealed space to generate instant pressure information;

a battery unit disposed on the main body, wherein the battery unit is electrically connected to the control unit, the battery unit provides electric power for operation of the control unit, the vacuum pump and the pressure sensing unit, and wherein an external power equipment charges the battery unit;

a start button disposed on the main body, wherein the start button is electrically connected to the control unit, and the control unit controls operation of the vacuum pump when the start button is pressed; and

a pressure relief button disposed on the main body, wherein the air drawn to the exterior of the main body enters into the sealed space through the main body when the pressure relief button is pressed,

wherein the delivery of the instant pressure information generated by the pressure sensing unit to the control unit for comparison of high predetermined pressure and low predetermined pressure;

wherein when the first adhering surface is adhered to the surface and the control unit controls the operation of the vacuum pump to draw the air inside the sealed space to the exterior of the main body, the control unit determines whether the pressure of the sealed space is greater than the high predetermined pressure based on the instant pressure information, when the control unit determines that the pressure of the sealed space is greater than or equal to the high predetermined pressure, the control unit controls the vacuum pump to terminate the operation of the vacuum pump,

wherein when the control unit controls the vacuum pump to terminate the operation of the vacuum pump, the pressure sensing unit continuously measures the pressure of the sealed space, and the control unit continuously determines whether the pressure of the sealed space is smaller than the low predetermined pressure based on the instant pressure information, when the control unit determines that the pressure of the sealed space is smaller than the low predetermined pressure, the control unit controls the operation of the vacuum pump, wherein a negative pressure value corresponding to the high predetermined pressure is greater than a negative pressure value corresponding to the low predetermined pressure.

13. The electric vacuum suction lifter according to claim 12 , wherein a hardness of the second annular sealing unit is greater than a hardness of the first annular sealing unit, when the first annular sealing unit is adhered to the surface and the control unit controls the operation of the vacuum pump to draw the air inside the sealed space, the first annular sealing unit deforms with a shape of the surface to tightly adhere on the surface, the main body is further configured with at least one handle, and, when the electric vacuum suction lifter is sucked on the surface of a member, the member can be carried via the handle.

14. The electric vacuum suction lifter according to claim 12 , wherein the suction surface is further configured with an abutting unit, the abutting unit is placed in a second opening of the second annular sealing unit, one side of the abutting unit which is distal from the suction surface is defined as a abutting surface, and a distance between the abutting surface and the suction surface is smaller than a distance between the first adhering surface and the suction surface.

15. The electric vacuum suction lifter according to claim 14 , wherein the suction surface is formed with an air drawing hole, the vacuum pump draws the air inside the sealed space to the exterior of the main body via the air drawing hole, the abutting unit is formed with a plurality of through holes, at least a part of the through holes are in spatial communication with one another, and at least one of the through holes spatially communicated with one another are in spatial communication with the air drawing hole.

16. The electric vacuum suction lifter according to claim 12 , wherein the control unit is able to receive external information to correspondingly adjust the high predetermined pressure, the control unit is able to receive the external information to correspondingly adjust the low predetermined pressure, the external information is generated by a user operation of an input unit of the main body or to be transmitted by an external electronic device.

17. The electric vacuum suction lifter according to claim 16 , wherein the main body is further configured with a pressure display device, the pressure display device displays the instant pressure information, the input unit and the pressure display device are electrically connected to the control unit, the input unit is operable to generate set pressure information, the control unit is able to display the set pressure information on the pressure display device, and the control unit is able to control the pressure display device to display the instant pressure information.

18. The electric vacuum suction lifter according to claim 12 , wherein the main body further includes an input unit, the input unit is configured with a plurality of buttons, the input unit is able to adjust the high predetermined pressure when corresponding ones of the plurality of buttons are pressed, and the input unit is able to adjust the low predetermined pressure when corresponding ones of the plurality of buttons are pressed.

19. The electric vacuum suction lifter according to claim 12 , wherein the main body is further configured with a warning unit that is electrically connected to the control unit, the control unit is able to instantly detect a battery power of the battery unit, the control unit is able to control the operation of the warning unit to warn a user when the battery power of the battery unit is smaller than a predetermined battery power, when the battery power of the battery unit is smaller than the predetermined battery power and the start button is pressed, the control unit controls the operation of the warning unit and terminates the control of the operation of the vacuum pump.

20. The electric vacuum suction lifter according to claim 12 , wherein the control unit is communicatively connected to an external electronic device, the control unit is able to instantly detect a battery power of the battery unit to generate instant battery power information, the control unit transmits the instant pressure information and the instant battery power information to the external electronic device, when the control unit determines that the pressure of the sealed space is smaller than the low predetermined pressure based on the instant pressure information, the control unit transmits warning information to the external electronic device, when the control unit determines that the battery power of the battery unit is smaller than a predetermined battery power threshold based on the instant battery power information, the control unit transmits warning information to the external electronic device.

21. The electric vacuum suction lifter according to claim 12 , wherein the main body is further configured with a switch button that is electrically connected to the control unit, the control unit is able to be driven to detect a battery power of the battery unit when the switch button is pressed, when the control unit is driven by the switch button to determine that the battery power of the battery unit is smaller than a predetermined battery power threshold and the start button is pressed, the control unit controls the vacuum pump to terminate an air drawing operation.