CN209487779U - Voltage check device and its connection terminal for fuel cell - Google Patents

Abstract

The utility model provides a kind of for detecting the voltage check device of fuel battery voltage, it includes one group of connection terminal, one group of connecting wire and a voltage detector, wherein the connection terminal passes through connecting wire respectively and is electrically connected with the voltage detector, gives the voltage detector with the electric signal transmission of the pole plate for the fuel cell that will test.

Description

Voltage check device and its connection terminal for fuel cell

Technical field

The utility model relates to fuel cell more particularly to a kind of voltage detecting dresses for detecting fuel battery voltage It sets.Further, the utility model further relates to a kind of connection terminal of fuel battery voltage detection device.

Background technique

Fuel cell is a kind of power generator for the chemical energy of fuel being directly changed into electric energy, is not imitated by Carnot cycle The limitation answered, generating efficiency are high.Further, since fuel battery energy directly says that chemical energy is converted to electric energy by electrochemical reaction, Therefore, structure is simple and does not need energy conversion member.Finally, fuel cell, especially hydrogen fuel cell, electrochemical reaction It completely and cleans, seldom generates pollutant.

Recent years, as people are to the pay attention to day by day of energy conservation and environmental protection, fuel cell technology is also quickly sent out Exhibition, and it is widely used in various fields.Generally, in practical applications, fuel cell by multiple individual fuel cells (or combustion Material battery cell) it stacks, each fuel cell includes an anode plate, a cathode plate and is arranged on the two Between electrode group.In order to ensure the normal work and stable electric generation of entire fuel cell, each fuel cell is examined It surveys, such as in electrochemical reaction process, the voltage of each fuel cell is detected and monitored, is necessary.

The voltage check device or system of existing detection fuel cell voltage generally comprise connection terminal and voltage inspection Device is surveyed, is in contact by connection terminal with the pole plate of fuel cell, then the voltage detecting by being connected with connection terminal Device detects the voltage of the pole plate of fuel cell.For example, application No. is 200910248420.0 Chinese utility model patents It discloses a kind of for detecting the voltage check device of the voltage of fuel cell comprising connecting terminal and cruising inspection system, Wherein the probe of the connecting terminal is fixed in fixed plate, and the probe be set can respectively with the pole plate of fuel cell and Cruising inspection system is electrically connected.However, the patent application is connected by telescopic probe with pole plate, cause between probe and pole plate Connection need lasting external force.In addition, multiple probes are fixed in a fixed plate, also lead to the pole of fuel cell The setting needs of probe aperture in the assembly and pole plate of plate match with connection terminal, rather than connection terminal can be adjusted and fire The pole plate of material battery matches, this necessarily causes the inconvenience in the manufacture of fuel cell.

Utility model content

The main purpose of the utility model is to provide a kind of for detecting the voltage detecting of fuel cell (monomer) voltage Device, wherein the voltage check device is electrically connected by the pole plate of connection terminal and fuel cell (or the ground phase that can be powered Connection), and after the connection terminal is connected with the fuel cell, any external force is not needed, can be kept and the fuel cell The electrical connection of pole plate.

The utility model another be designed to provide it is a kind of for detecting the voltage check device of fuel battery voltage, Wherein the connection terminal of the voltage check device, which is set, allows user that it is electrically connected with the pole plate of fuel cell respectively. In other words, the use of the connection terminal of the voltage check device is to the assembly of the pole plate of fuel cell and the setting position of jack There is no any restrictions requirement.

The utility model another be designed to provide it is a kind of for detecting the voltage check device of fuel battery voltage, Wherein the connection terminal of the voltage check device is configured to it when the pole plate with the fuel cell is connected together, should Contact between the connection terminal of voltage check device and the pole plate of the fuel cell is good.

The utility model another be designed to provide it is a kind of for detecting the voltage check device of fuel battery voltage, When wherein the connection terminal of the voltage check device and the pole plate of the fuel cell are connected together, user is easy to it It is removed from the pole plate of the fuel cell.

The utility model another be designed to provide it is a kind of for detecting the voltage check device of fuel battery voltage, Wherein the connection terminal of the voltage check device is set by plugging repeatedly, is also not susceptible to damage.

It is a kind of for detecting the voltage check device of fuel battery voltage that another advantage of the utility model is that it is provided Connection terminal, wherein the connection terminal does not need accurate component and complicated structure, and manufacturing process is simple, at low cost It is honest and clean, it is easy to use.

Other purposes and feature of the utility model are able to fully demonstrate and can be by appended by following detailed descriptions The combination of the means and device specially pointed out in claim is achieved.

According to the one aspect of the utility model, the utility model that can be realized foregoing purpose and other purposes and purpose is used Include: in the voltage check device of detection fuel battery voltage

One group of connection terminal；

One voltage detector；With

One group of connecting wire, wherein the connection terminal passes through connecting wire respectively and is electrically connected with the voltage detector, with The electric signal transmission of the pole plate for the fuel cell that will test gives the voltage detector.

According to the utility model preferred embodiment, the utility model is used to detect the voltage check device of fuel battery voltage Connection terminal have a pole plate for being adapted for insertion into the fuel cell detection hole in test side and with the connecting wire The connecting pin being connected.

According to the other side of the utility model, the utility model further provides for a kind of for detecting fuel battery voltage Voltage check device connection terminal, the company that wherein there is the connection terminal test side and one to extend from the test side End is connect, wherein the test side is adapted for insertion into the detection hole of the pole plate of the fuel cell, for receiving the fuel cell The voltage signal of pole plate, which is suitable for being electrically connected with connecting wire, to be transmitted voltage signal by the connecting wire To voltage detector.

By the understanding to subsequent description and attached drawing, the further purpose of the utility model and purpose will be able to abundant body It is existing.

The these and other objects, feature and purpose of the utility model, by following detailed descriptions, attached drawing and right are wanted It acquires to fully demonstrate.

Detailed description of the invention

Fig. 1 is the knot according to the voltage check device for detecting fuel battery voltage of the utility model preferred embodiment Structure schematic diagram.

Shown in Fig. 2 is the voltage inspection for detecting fuel battery voltage according to above-mentioned the utility model preferred embodiment The connection terminal for surveying device be used to detect fuel battery voltage.

Fig. 3 is according to above-mentioned the utility model preferred embodiment for detecting the voltage check device of fuel battery voltage Connection terminal perspective view.

Fig. 4 is according to above-mentioned the utility model preferred embodiment for detecting the voltage check device of fuel battery voltage Connection terminal front view.

Fig. 5 is according to above-mentioned the utility model preferred embodiment for detecting the voltage check device of fuel battery voltage Connection terminal side view.

Fig. 6 is the company according to the voltage check device for detecting fuel battery voltage of the utility model preferred embodiment The explosive view of connecting terminal.

Fig. 7 is according to above-mentioned the utility model preferred embodiment for detecting the voltage check device of fuel battery voltage Connection terminal operation schematic diagram, wherein the connection terminal shown in the figure is inserted into the detection of the pole plate of the fuel cell In hole.

Fig. 8 is according to above-mentioned the utility model preferred embodiment for detecting the voltage check device of fuel battery voltage Connection terminal operation schematic diagram, wherein the connection terminal shown in the figure is pulled out from the detection hole of the pole plate of the fuel cell Out.

Specific embodiment

It is described below for disclosing the utility model so that those skilled in the art can be realized the utility model.It retouches below Preferred embodiment in stating is only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It is retouched following The basic principle of the utility model defined in stating can be applied to other embodiments, deformation scheme, improvement project, etc. Tongfangs The other technologies scheme of case and the spirit and scope without departing from the utility model.

It will be understood by those skilled in the art that in the exposure of the utility model, term " longitudinal direction ", " transverse direction ", "upper", The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, and It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore Above-mentioned term should not be understood as limiting the present invention.

It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment, The quantity of one element can be one, and in a further embodiment, the quantity of the element can be it is multiple, term " one " is no It can be interpreted as the limitation to quantity.

Shown in Fig. 1 to Fig. 8 of reference book attached drawing, according to the utility model preferred embodiment for detecting fuel cell The voltage check device of voltage is elucidated with, and wherein the utility model voltage check device includes at least one connection terminal 10, extremely A few connecting wire 20 and a voltage detector 30, wherein the connection terminal 10 passes through the connecting wire 20 and the electricity respectively Pressure detector 30 is electrically connected, and is transferred to the voltage detector with electricity (pressure) signal of the pole plate 2 for the fuel cell 1 that will test 30.Preferably, the utility model voltage check device includes one group of connection terminal 10 and one group of connecting wire 20.It is appreciated that The pole plate 2 of the fuel cell 1 is cathode plate and/or anode plate.

As shown in Fig. 2 to Fig. 8 of attached drawing, according to the utility model preferred embodiment for detecting the electricity of fuel battery voltage Press one end of the connection terminal 10 of detection device that the detection hole for being adapted for insertion into the pole plate 2 of the fuel cell 1 is set 200, the other end, which is set, to be suitable for being electrically connected with the connecting wire 20, so that when the fuel cell 1 operation, the voltage Detector 30 can be obtained the electric signal of the pole plate 2 of the fuel cell 1 by the connection terminal 10 and detect the fuel cell 1 The electrode plate 2 voltage.

As shown in Fig. 2 to Fig. 8 of attached drawing, according to the utility model preferred embodiment for detecting the electricity of fuel battery voltage The connection terminal 10 for pressing detection device includes two plug connectors 11, wherein each plug connector 11 has an insertion end 111, a connecting pin 112 and a protrusion 113, wherein the two of the connection terminal 10 plug connector 11 passes through the two The connecting pin 112 is fixed together, and between the protrusion 113 of two plug connectors 11 of the connection terminal 10 Distance is greater than the distance between the insertion end 111 of two plug connectors 11 of the connection terminal 10.Preferably, the connecting pin The distance between protrusion 113 of two plug connectors 11 of son 10 is greater than two plug connectors of the connection terminal 10 The distance between 11 connecting pin 112.It is highly preferred that phase mirror surface is set in two plug connectors 11 of the connection terminal 10 Symmetrically.Most preferably, the both ends of the protrusion 113 of the plug connector 11 of the connection terminal 10 are separately positioned on the insertion end 111 and the connecting pin 112, and the protrusion 113 of the plug connector 11 is outside from the insertion end 111 and the connecting pin 112 respectively Extend, wherein the protrusion 113 of the plug connector 11 has a curved profile.Optionally, which has a C Shape section.It is appreciated that since the distance between the insertion end 111 of two plug connectors 11 of the connection terminal 10 is less than The distance between the protrusion 113 of the plug connector 11 of two of the connection terminal 10, to make the two of the connection terminal 10 The insertion end 111 of a plug connector 11 is inserted into the detection hole of the pole plate 2 of the fuel cell 1 in the connection terminal 10 When 200, two plug connectors 11 for guiding the connection terminal 10, the especially protrusion 113 can be played, the fuel is inserted into The effect of the detection hole 200 of the pole plate 2 of battery 1.

As shown in Fig. 2 to Fig. 8 of attached drawing, according to the utility model preferred embodiment for detecting the electricity of fuel battery voltage Two plug connectors 11 of the connection terminal 10 of detection device are pressed to be fixed together by the connecting pin 112, wherein two Opposite of practising physiognomy is set in the inner sidewall 1131 of the protrusion 113 of a plug connector 11.In other words, the plug connector 11 should Protrusion 113, which is set, to be outwardly protruded.Correspondingly, protrusion 113 of two of the connection terminal 10 plug connectors 11 The deformation space being located between the two is formed, so that the deformation for two plug connectors 11 of the connection terminal 10 provides Necessary space.In other words, 113 outwardly convex of protrusion of two of the connection terminal 10 plug connectors 11, thus Two plug connectors 11 of the connection terminal 10 are made to form the deformation space being located between the two, in favor of the connecting pin Deformation occurs for son 10.

As shown in Fig. 7 and Fig. 8 of attached drawing, it is preferable that the protrusion of the plug connector 11 of two of the connection terminal 10 113 have a curved profile, and therefore, the deformation space that the plug connector 11 of two of the connection terminal 10 is formed is ellipse (or nearly ellipse), so that two plug connectors 11 of the connection terminal 10 can be readily inserted into the pole plate 2 of the fuel cell 1 The detection hole 200.It is highly preferred that the plug connector 11 of the connection terminal 10 is strip or plate.Those skilled in the art can Understand, when the deformation space that two plug connectors 11 of the connection terminal 10 are formed is ellipse, the connection terminal 10 The distance between two described plug connectors 11 become larger, so that two plug connectors 11 of the connection terminal 10 be made to be inserted During entering the detection hole 200 to the pole plate 2 of the fuel cell 1, gradually deformation occurs, rather than occurs suddenly very big Deformation.This makes the protrusion 113 of two of the connection terminal 10 plug connectors 11 under the guidance of the insertion end 111, It is easier to be inserted into the detection hole 200 of the pole plate 2 of the fuel cell 1.In other words, there is arc (or " C " shape) section The protrusion 113 of the plug connector 11 make the plug connector 11 be easier to be inserted into the detection of the pole plate 2 of the fuel cell 1 Hole 200.

It is noted that two plug connectors 11 of the connection terminal 10 by can deformation conductive material, such as stainless steel, copper Equal metal or metal alloy are made, so that the protrusion 113 of the plug connector 11 of the connection terminal 10 is inserted into the fuel When the detection hole 200 of the pole plate 2 of battery 1, the protrusion 113 of the plug connector 11 is by the pole plate 2 of the fuel cell 1 The inner wall of the detection hole 200 squeezes, and leading to the plug connector 11, deformation occurs, to enable the protrusion 113 of the plug connector 11 It is enough pressed on the inner wall of the detection hole 200 of the pole plate 2, and makes to establish between the protrusion 113 of the plug connector 11 and pole plate 2 Good contact or electrical connection.However, when the protrusion 113 of the plug connector 11 of the connection terminal 10 is inserted into the fuel When the detection hole 200 of the pole plate 2 of battery 1, the protrusion 113 of the plug connector 11 is squeezed in the pole plate 2 of the fuel cell 1 Pressure, deformation position may be the protrusion 113 of the plug connector 11, it is also possible to the protrusion 113 of the plug connector 11 Junction between the connecting pin 112 of the plug connector 11 even may be the connecting pin 112 of the plug connector 11.

As shown in Fig. 7 of attached drawing, the protrusion 113 of the plug connector 11 of two of the connection terminal 10 preferably has one A sticking part 1131, wherein the sticking part 1131 of the protrusion 113 has a plane 1130, wherein when the connection terminal 10 Two plug connectors 11 be inserted into the fuel cell 1 the pole plate 2 the detection hole 200, two of the connection terminal 10 The plug connector 11 is when deformation occurs under the extruding of the inner wall of the detection hole 200 of the pole plate 2 of the fuel cell 1, the company The plane 1130 of the sticking part 1131 of the protrusion 113 of the plug connector 11 of two of connecting terminal 10 is set and can support It is pressed in the inner wall of the detection hole 200 of the pole plate 2 of the fuel cell 1.In other words, two of the connection terminal 10 it is described insert Fitting 11 forms a plane contact by the pole plate 2 of its sticking part 1131 and the fuel cell 1, so that the connection terminal 10 Two plug connectors 11 and the pole plate 2 of the fuel cell 1 between contact or electrical connection it is better.

As shown in Fig. 7 of attached drawing, examined according to the voltage for detecting fuel battery voltage of the utility model preferred embodiment In the detection hole 200 for the pole plate 2 that the connection terminal 10 for surveying device is inserted into the fuel cell 1, due to the connection terminal The insertion end 111 of the plug connector 11 of two of 10, the protrusion 113 are spaced apart, and the connection terminal 10 Two plug connectors 11 be connected through end and 112 be fixed together, therefore, two grafting of the connection terminal 10 Deformation occurs under the extruding of the inner wall of the detection hole 200 of the pole plate 2 of the fuel cell 1 for the protrusion 113 of part 11, should The protrusion 113 of the plug connector 11 of two of connection terminal 10 is pressed under the action of the deformation power of the plug connector 11 The inner wall of the detection hole 200 of the pole plate 2 of the fuel cell 1, thus the protrusion 113 and pole plate 2 of the plug connector 11 it Between set up good contact or electrical connection.

As shown in Fig. 8 of attached drawing, examined according to the voltage for detecting fuel battery voltage of the utility model preferred embodiment The connection terminal 10 for surveying device is extracted in the detection hole 200 of the pole plate 2 from the fuel cell 1, wherein the plug connector The curved profile of 11 protrusion 113 is easier the plug connector 11 from the pole of the fuel cell 1 in the connection terminal 10 It is extracted in the detection hole 200 of plate 2.

As shown in Fig. 2 to Fig. 8 of attached drawing, according to the utility model preferred embodiment for detecting the electricity of fuel battery voltage The connection terminal 10 for pressing detection device further comprises a fixed plate 114, and wherein the two of the connection terminal 10 are described inserts The connecting pin 112 of fitting 11 is fixed on the fixed plate 114 respectively.Preferably, which is separately fixed at the company The end of the connecting pin 112 of the plug connector 11 of two of connecting terminal 10, so that when the connection terminal 10 is inserted into this When in the detection hole 200 of the pole plate 2 of fuel cell 1, the plug connector 11 of two of the connection terminal 10 is easier to that shape occurs Become and be inserted into the fuel cell 1 the pole plate 2 the detection hole 200, and when the connection terminal 10 from the fuel cell 1 should When extracting in the detection hole 200 of pole plate 2, the plug connector 11 of two of the connection terminal 10 is easier from the fuel cell 1 The pole plate 2 the detection hole 200 extract.As shown in Fig. 2 to Fig. 8 of attached drawing, it is preferable that the plug connector of the connection terminal 10 11 connecting pin 112 is plate, and wherein the fixed plate 114 is separately fixed at the side of the connecting pin 112.In other words, Since the fixed plate 114 is separately fixed at the side of the connecting pin 112, so that the fixed plate 114 does not hinder this to insert Deformation occurs for the connecting pin 112 of fitting 11.

As shown in Fig. 2 to Fig. 8 of attached drawing, according to the utility model preferred embodiment for detecting the electricity of fuel battery voltage The connection terminal 10 for pressing detection device further comprises two holders 12, and wherein the holder 12 is separately positioned on the company The inner sidewall 1132 of the protrusion 113 of the plug connector 11 of connecting terminal 10.

As shown in Fig. 2 to Fig. 8 of attached drawing, the holder 12 of the connection terminal 10 has a holding end 121 and one The fixing end 122 extended from the holding end 121, wherein the holding end 121 of the holder 12, which is set, is pressed on the plug connector The inner sidewall 1132 of 11 protrusion 113, the fixing end 122 of the holder 12 are fixed on being somebody's turn to do for the connection terminal 10 Between the connecting pin 112 of plug connector 11.

As shown in Fig. 2 to Fig. 8 of attached drawing, it is preferable that the holding end 121 of the holder 12 of the connection terminal 10 is set Setting has a curved profile, and the protrusion 113 of the protrusion direction at the holding end 121 and its corresponding plug connector 11 Protrusion direction it is opposite.Preferably, the fixing end 122 of the holder 12 of the connection terminal 10 be fixed together or one Molding.

It is worth noting that, the holding end 121 of the holder 12 of the connection terminal 10 is set and is pressed on this respectively The inner sidewall 1132 of the protrusion 113 of plug connector 11, and 121 quilt of holding end of the holder 12 of the connection terminal 10 It is arranged arc-shaped, facilitates the shape when plug connector 11 is extracted from the detection hole 200 of the pole plate 2 of the fuel cell 1 Restore.In addition, the holding end 121 of the holder 12 of the connection terminal 10 yet further enhances being somebody's turn to do for the connection terminal 10 When plug connector 11 is inserted into the detection hole 200 of the pole plate 2 of the fuel cell 1, which is applied to fuel electricity The power of the inner wall of the detection hole 200 of the pole plate 2 in pond 1 enables the plug connector 11 of the connection terminal 10 steadily to be inserted In the detection hole 200 of the pole plate 2 of the fuel cell 1.

As shown in Fig. 2 to Fig. 8 of attached drawing, according to the utility model preferred embodiment for detecting the electricity of fuel battery voltage It presses the protrusion 113 of the plug connector 11 of the connection terminal 10 of detection device to form one to be used for and the fuel cell 1 The pole plate 2 establishes the test side 13 of electrical connection, and the connecting pin 112 of the plug connector 11 of the connection terminal 10 is suitable for and the connection Conducting wire 20 is electrically connected, so that the voltage detector 30 can pass through the connection terminal 10 when the fuel cell 1 operation It obtains the electric signal of the pole plate 2 of the fuel cell 1 and detects the voltage of the electrode plate 2 of the fuel cell 1.Correspondingly, should The detection hole 200 for being adapted for insertion into the pole plate 2 of the fuel cell 1 is set in test side 13.

As shown in Fig. 2 to Fig. 8 of attached drawing, according to the utility model preferred embodiment for detecting the electricity of fuel battery voltage One end of the connecting pin 112 of the plug connector 11 of the connection terminal 10 of detection device is pressed to be fixed on the fixed plate 114, separately 1121 infolding of edge of one end, so that the connecting pin 112 of two plug connectors 11 of the connection terminal 10 forms one A guiding groove being located between the two, wherein the width of the fixing end 122 of the holder 12 is set and the plug connector 11 The distance between the edge 1121 of the fixed plate 114 and the connecting pin 112 is identical, so that this of the holder 12 is fixed End 122 can be installed between the fixed plate 114 and the edge 1121 of the connecting pin 112 by the guiding groove.

It is appreciated that the plug connector 11 and the holder 12 of the connection terminal 10 are processed a block of metal plate.It changes Sentence is talked about, the insertion end 111 of the plug connector 11, the lug boss 113, the connecting pin 112 and the fixed plate 114 mutually one at The holding end 121 of type, the holder 12 is mutually integrally formed with the fixing end 122.

As shown in Fig. 1 and Fig. 2 of attached drawing, according to the utility model preferred embodiment for detecting the electricity of fuel battery voltage The voltage detector 30 for pressing detection device is common voltage detector (or voltage tester).Preferably, the voltage detector 30 be the battery voltage detection instrument for detecting cell voltage, and the voltage detecting circuit for detecting voltage is arranged inside.More Preferably, which further has the display for showing voltage detecting result.

It should be understood by those skilled in the art that foregoing description and the embodiments of the present invention shown in the drawings are only used as It illustrates and is not intended to limit the utility model.

The purpose of this utility model completely and effectively realizes.The function and structural principle of the utility model are in reality It applies and shows and illustrate in example, under without departing from the principle, the embodiments of the present invention can have any deformation or repair Change.

Claims (32)

1. a kind of voltage check device for fuel cell characterized by comprising

One group of connection terminal；

One group of connecting wire；With

One voltage detector, wherein the connection terminal passes through connecting wire respectively and is electrically connected with the voltage detector, will The electric signal transmission of the pole plate of the fuel cell detected gives the voltage detector.

2. voltage check device according to claim 1, which is characterized in that one end of the connection terminal, which is set, to be suitable for inserting Enter the detection hole to the pole plate of the fuel cell, the other end, which is set, to be suitable for being electrically connected with the connecting wire.

3. voltage check device according to claim 1, which is characterized in that the connection terminal includes two plug connectors, In each plug connector there is an insertion end, a connecting pin and a protrusion, wherein the two of the connection terminal institute It states plug connector to be fixed together by the connecting pin of the two, and the protrusion of two plug connectors of the connection terminal The distance between portion is greater than the distance between the insertion end of two plug connectors of the connection terminal.

4. voltage check device according to claim 2, which is characterized in that the connection terminal includes two plug connectors, In each plug connector there is an insertion end, a connecting pin and a protrusion, wherein the two of the connection terminal institute It states plug connector to be fixed together by the connecting pin of the two, and the protrusion of two plug connectors of the connection terminal The distance between portion is greater than the distance between the insertion end of two plug connectors of the connection terminal.

5. voltage check device according to claim 3, which is characterized in that two plug connectors of the connection terminal The distance between the protrusion is greater than the distance between the connecting pin of two plug connectors of the connection terminal.

6. voltage check device according to claim 4, which is characterized in that two plug connectors of the connection terminal The distance between the protrusion is greater than the distance between the connecting pin of two plug connectors of the connection terminal.

7. voltage check device according to claim 3, which is characterized in that the plug connector quilt of two of the connection terminal It is symmetrical that phase mirror surface is set.

8. voltage check device according to claim 6, which is characterized in that the plug connector quilt of two of the connection terminal It is symmetrical that phase mirror surface is set.

9. voltage check device according to claim 3, which is characterized in that the protrusion of the plug connector is inserted from this respectively Enter end and the connecting pin extends outwardly, so that the protrusion of the plug connector has a curved profile.

10. voltage check device according to claim 8, which is characterized in that the protrusion of the plug connector certainly should respectively Insertion end and the connecting pin extend outwardly, so that the protrusion of the plug connector has a curved profile.

11. voltage check device according to claim 4, which is characterized in that the plug connector of the connection terminal is somebody's turn to do Protrusion has a sticking part, and wherein the sticking part has a plane, and wherein the sticking part is set in the connecting pin When the detection hole for the pole plate that the plug connector of son is inserted into the fuel cell, the plane of the sticking part can be pressed on The inner wall of the detection hole of the pole plate of the fuel cell.

12. voltage check device according to claim 10, which is characterized in that the plug connector of the connection terminal is somebody's turn to do Protrusion has a sticking part, and wherein the sticking part has a plane, and wherein the sticking part is set in the connecting pin When the detection hole for the pole plate that the plug connector of son is inserted into the fuel cell, the plane of the sticking part can be pressed on The inner wall of the detection hole of the pole plate of the fuel cell.

13. voltage check device according to claim 3, which is characterized in that further comprise a fixed plate, wherein should Fixed plate is separately fixed at the side of the connecting pin of the plug connector of the connection terminal.

14. voltage check device according to claim 12, which is characterized in that it further comprise a fixed plate, wherein The fixed plate is separately fixed at the side of the connecting pin of the plug connector of the connection terminal.

15. according to voltage check device described in claim 3,4,5,6,7,8,9,10,11,12,13 or 14, feature exists In further comprising two holders, wherein the holder of the connection terminal has a holding end and one from the holding The fixing end extended is held, the holding end of holder described in two of them is set individually the protrusion for being pressed on respective cartridges The inner sidewall in portion, the fixing end of the holder are fixedly installed between the connecting pin of the plug connector of the connection terminal.

16. voltage check device according to claim 15, which is characterized in that the guarantor of the holder of the connection terminal It holds end and is provided having a curved profile, and the protrusion of the protrusion direction at the holding end and its corresponding plug connector Protrusion direction it is opposite.

17. according to voltage check device described in claim 3,4,5,6,7,8,9,10,11,12,13,14 or 16, feature Be, the plug connector of the connection terminal by can deformation conductive material be made.

18. voltage check device according to claim 15, which is characterized in that the plug connector of the connection terminal is by can Deformation conductive material is made.

19. a kind of connection terminal of the voltage check device for fuel cell, which is characterized in that including two plug connectors, In each plug connector there is an insertion end, a connecting pin and a protrusion, wherein the two of the connection terminal institute It states plug connector to be fixed together by the connecting pin of the two, and the protrusion of two plug connectors of the connection terminal The distance between portion is greater than the distance between the insertion end of two plug connectors of the connection terminal.

20. connection terminal according to claim 19, which is characterized in that two plug connectors of the connection terminal are somebody's turn to do The distance between protrusion is greater than the distance between the connecting pin of two plug connectors of the connection terminal.

21. connection terminal according to claim 19, which is characterized in that two plug connectors of the connection terminal are set It is symmetrical to set phase mirror surface.

22. connection terminal according to claim 20, which is characterized in that two plug connectors of the connection terminal are set It is symmetrical to set phase mirror surface.

23. connection terminal according to claim 19, which is characterized in that the protrusion of the plug connector is respectively from the insertion End and the connecting pin extend outwardly, so that the protrusion of the plug connector has a curved profile.

24. connection terminal according to claim 22, which is characterized in that the protrusion of the plug connector is respectively from the insertion End and the connecting pin extend outwardly, so that the protrusion of the plug connector has a curved profile.

25. connection terminal according to claim 19, which is characterized in that the protrusion of the plug connector of the connection terminal Portion has a sticking part, and wherein the sticking part has a plane, and wherein the sticking part is set in the connection terminal When the plug connector is inserted into the detection hole of the pole plate of the fuel cell, the plane of the sticking part can be pressed on fuel electricity The inner wall of the detection hole of the pole plate in pond.

26. connection terminal according to claim 24, which is characterized in that the protrusion of the plug connector of the connection terminal Portion has a sticking part, and wherein the sticking part has a plane, and wherein the sticking part is set in the connection terminal When the plug connector is inserted into the detection hole of the pole plate of the fuel cell, the plane of the sticking part can be pressed on fuel electricity The inner wall of the detection hole of the pole plate in pond.

27. connection terminal according to claim 19, which is characterized in that further comprise a fixed plate, wherein this is solid Fixed board is separately fixed at the side of the connecting pin of the plug connector of the connection terminal.

28. connection terminal according to claim 26, which is characterized in that further comprise a fixed plate, wherein this is solid Fixed board is separately fixed at the side of the connecting pin of the plug connector of the connection terminal.

29. connection terminal described in 9,20,21,22,23,24,25,26,27 or 28 according to claim 1, which is characterized in that It further comprise two holders, wherein the holder of the connection terminal prolongs with a holding end and one from the holding end The holding end of the fixing end stretched, holder described in two of them is set individually the protrusion for being pressed on respective cartridges Inner sidewall, the fixing end of the holder are fixedly installed between the connecting pin of the plug connector of the connection terminal.

30. connection terminal according to claim 29, which is characterized in that the holding end of the holder of the connection terminal It is provided having a curved profile, and the protrusion direction at the holding end and the protrusion of its corresponding plug connector is convex It is contrary out.

31. connection terminal described in 9,20,21,22,23,24,25,26,27,28 or 30, feature exist according to claim 1 In, the connection terminal the plug connector by can deformation conductive material be made.

32. connection terminal according to claim 29, which is characterized in that the plug connector of the connection terminal is by can deformation Conductive material is made.