Electrical device testing fixture

1. An electrical device testing fixture, comprising a stationary base, an electrode holder, a negative electrode and a positive electrode, a stopper holder and a stopper, wherein

the stationary base is provided with two wire mounting holes penetrating therethrough, and wires are routed in the two wire mounting holes;

the electrode holder is fixed on the stationary base and provided with two independent long slots;

the two electrodes are held in the two long slots of the electrode holder respectively and movable in the long slots respectively; the two electrodes are electrically connected with corresponding wires respectively and an electrical device is connected therebetween;

the stopper holder is fixed on the stationary base; and

a restoring spring is provided between the stopper and the stopper holder; and the stopper is configured to fix the electrical device,

wherein the electrode holder is further provided with a bump with a rectangular section, and the bump is located between the two long slots.

2. The electrical device testing fixture of claim 1 , wherein the two electrodes are provided with depressions on a top end apart from the stationary base and the electrode holder on opposing sides, in each of the depressions is disposed a probe for connecting the electrical device respectively.

3. The electrical device testing fixture of claim 1 , wherein the electrodes are each provided with a through hole in a direction perpendicular to the stationary base, and the wires are routed and fixed in the through hole.

4. The electrical device testing fixture of claim 1 , wherein the stationary base is of a cylinder structure and provided with four vertical scale marks on sidewall, and the four vertical scale marks are arranged evenly with an equal spacing therebetween.

5. The electrical device testing fixture of claim 1 , wherein the electrode holder is of a cuboid structure and the two long slots are disposed symmetrically on the electrode holder.

6. An electrical device testing fixture, comprising a stationary base, an electrode holder, a negative electrode and a positive electrode, a stopper holder and a stopper, wherein

the stationary base is provided with two wire mounting holes penetrating therethrough, and wires are routed in the two wire mounting holes;

the electrode holder is fixed on the stationary base and provided with two independent long slots;

the two electrodes are held in the two long slots of the electrode holder respectively and movable in the long slots respectively; the two electrodes are electrically connected with corresponding wires respectively and an electrical device is connected therebetween;

the stopper holder is fixed on the stationary base; and

a restoring spring is provided between the stopper and the stopper holder; and the stopper is configured to fix the electrical device,

wherein the electrode holder is of a cuboid structure and the two long slots are disposed symmetrically on the electrode holder, and

wherein the electrode holder is further provided with a bump with a rectangular section, and the bump is located between the two long slots.

7. The electrical device testing fixture of claim 6 , wherein each of the electrodes is provided with a through bolt hole in a direction perpendicular to the electrode holder, in the through bolt hole a bolt is provided; and the electrodes are fixed in the long slots by nut mating with bolts.

8. The electrical device testing fixture of claim 1 , wherein each of the electrodes is provided with a through bolt hole in a direction perpendicular to the electrode holder, in the through bolt hole a bolt is provided; and the electrodes are fixed in the long slots by nut mating with bolts.

9. The electrical device testing fixture of claim 1 , wherein the stopper holder is of a U shape structure and provided with a sliding groove at a bottom thereof; and the stopper is located in the U shape structure, and provided with protruding sliders on both sides that mate with the sliding groove.

10. The electrical device testing fixture of claim 9 , wherein the stopper is provided with at least one cylindrical guiding post on a back end surface apart from the electrode, and the guiding post is disposed through the stopper holder and connected with the stopper holder via a bearing.

11. The electrical device testing fixture of claim 10 , wherein the restoring spring is located between two guiding posts.

12. An electrical device testing fixture, comprising a stationary base, an electrode holder, a negative electrode and a positive electrode, a stopper holder and a stopper, wherein

the stationary base is provided with two wire mounting holes penetrating therethrough, and wires are routed in the two wire mounting holes;

the electrode holder is fixed on the stationary base and provided with two independent long slots;

the two electrodes are held in the two long slots of the electrode holder respectively and movable in the long slots respectively; the two electrodes are electrically connected with corresponding wires respectively and an electrical device is connected therebetween;

the stopper holder is fixed on the stationary base; and

a restoring spring is provided between the stopper and the stopper holder; and the stopper is configured to fix the electrical device,

wherein the stopper holder is of a U shape structure and provided with a sliding groove at a bottom thereof; and the stopper is located in the U shape structure, and provided with protruding sliders on both sides that mate with the sliding groove, and

wherein the stopper is provided with a lateral U-shape groove on a side that is apart from the stationary base.

13. The electrical device testing fixture of claim 1 , wherein the restoring spring has one end fixed at a back end surface of the stopper and other end fixed at the stopper holder.

14. The electrical device testing fixture of claim 1 , wherein the electrical device is connected between the two electrodes, the restoring spring is in its initial position and the stopper presses against the electrical device.

15. An electrical device testing fixture, comprising a stationary base, an electrode holder, a negative electrode and a positive electrode, a stopper holder and a stopper, wherein

the stationary base is provided with two wire mounting holes penetrating therethrough, and wires are routed in the two wire mounting holes;

the electrode holder is fixed on the stationary base and provided with two independent long slots;

the two electrodes are held in the two long slots of the electrode holder respectively and movable in the long slots respectively; the two electrodes are electrically connected with corresponding wires respectively and an electrical device is connected therebetween;

the stopper holder is fixed on the stationary base; and

a restoring spring is provided between the stopper and the stopper holder; and the stopper is configured to fix the electrical device,

wherein the stationary base is provided with at least one clamping hole, in which a corresponding clamping block is disposed.

16. An electrical device testing fixture, comprising a stationary base, an electrode holder, a negative electrode and a positive electrode, a stopper holder and a stopper, wherein

the stationary base is provided with two wire mounting holes penetrating therethrough, and wires are routed in the two wire mounting holes;

the electrode holder is fixed on the stationary base and provided with two independent long slots;

the two electrodes are held in the two long slots of the electrode holder respectively and movable in the long slots respectively; the two electrodes are electrically connected with corresponding wires respectively and an electrical device is connected therebetween;

the stopper holder is fixed on the stationary base; and

a restoring spring is provided between the stopper and the stopper holder; and the stopper is configured to fix the electrical device,

wherein the stopper is provided with a lateral U-shape groove on a side that is apart from the stationary base.

17. The electrical device testing fixture of claim 16 , wherein the stopper is provided with a vertical opening groove in an area corresponding to the probe on a front end surface that is away from the electrodes.

18. The electrical device testing fixture of claim 17 , wherein a scale mark is provided on a front end surface of the stopper that is away from the electrode, which is located on both sides of the opening groove.

19. The electrical device testing fixture of claim 1 , wherein the electrical device is a light emitting diode.