Electrical connection apparatus with improved thermal coupling of a printed circuit board which has a temperature sensor
Disclosed is an electrical connection apparatus for coupling to a corresponding connecting device and for transmitting electrical energy. The electrical connection apparatus includes at least one power contact arranged in a housing of the apparatus and connected to the housing, and at least one temperature sensor for determining a temperature of the power contact. The apparatus further includes a printed circuit board arranged in the housing of the electrical connection apparatus between the power contact and a retaining section of the housing, with the printed circuit board being clamped between the power contact and the retaining section by means of a spring-force apparatus arranged between the power contact and the retaining section. The printed circuit board is thermally coupled to the power contact directly or by means of the spring-force apparatus. The at least one temperature sensor is arranged on the printed circuit board.
1. An electrical connection apparatus for coupling to a corresponding connecting device and for transmitting electrical energy, wherein the electrical connection apparatus comprises
at least one power contact which is arranged in a housing of the electrical connection apparatus and is connected to said housing, and
at least one temperature sensor for determining a temperature of the power contact,
wherein:
the electrical connection apparatus further comprises a printed circuit board which is arranged in the housing of said electrical connection apparatus and is arranged between the power contact and a retaining section of the housing;
the printed circuit board is clamped between the power contact and the retaining section by means of a spring-force apparatus which is arranged between the power contact and the retaining section;
the printed circuit board is thermally coupled to the power contact directly or by means of the spring-force apparatus; and
the at least one temperature sensor is arranged on the printed circuit board.
2. The electrical connection apparatus according to claim 1 , wherein the printed circuit board is electrically connected to the power contact directly or by means of the spring-force apparatus.
3. The electrical connection apparatus according to claim 1 , wherein the printed circuit board comprises a contact surface which is in an electrically conductive form and which is electrically connected to the power contact directly or by means of the spring-force apparatus.
4. The electrical connection apparatus according to claim 3 , wherein the spring-force apparatus is in the form of a surface-mounted spring-force apparatus and is soldered to the contact surface.
5. The electrical connection apparatus according to claim 3 , wherein:
the printed circuit board comprises a through hole, through which the power contact protrudes; and
the contact surface of the printed circuit board surrounds the through hole thereof.
6. The electrical connection apparatus according to claim 1 , wherein:
the spring-force apparatus is arranged between the power contact and the printed circuit board and is electrically connected to the power contact and the printed circuit board; and
the printed circuit board is clamped against the retaining section by means of the spring-force apparatus.
7. The electrical connection apparatus according to claim 1 , wherein:
the power contact comprises a securing flange, by means of which the power contact is connected to the housing; and
the securing flange extends radially away from a longitudinal axis (L) of the power contact.
8. The electrical connection apparatus according to claim 7 , wherein the spring-force apparatus is arranged between the securing flange and the retaining section of the housing.
9. The electrical connection apparatus according to claim 1 , wherein the printed circuit board includes a plurality of power contacts having a cross-section associated with a maximum allowable current that can flow through each of the power contacts.
10. The electrical connection apparatus according to claim 1 , wherein a surface normal of the printed circuit board is oriented substantially parallel to a longitudinal axis (L) of the power contact.
11. The electrical connection apparatus according to claim 1 , wherein:
the housing comprises a front region and a back region that can be connected thereto;
the power contact is arranged in the back region and is connected thereto;
the retaining section of the housing is arranged in the front region; and
the printed circuit board is arranged between the back region and the front region.
12. The electrical connection apparatus according to claim 1 , wherein the temperature sensor is a temperature-dependent electrical resistor, in particular a thermistor.
13. A charging station for delivering electrical energy to a receiver of electrical energy, wherein the charging station comprises an electrical connection apparatus according to claim 1 in the form of a charging plug, which is electrically connected to the charging station by means of a supply cable.
14. The electrical connection apparatus according to claim 4 , wherein:
the printed circuit board comprises a through hole, through which the power contact protrudes; and
the contact surface of the printed circuit board surrounds the through hole thereof.