CN201637834U

CN201637834U - Lead device for single-cell voltage tests in fuel cell stack

Info

Publication number: CN201637834U
Application number: CN2010201201838U
Authority: CN
Inventors: 张焕文
Original assignee: Guangdong Prov Electronic Tech Research Inst
Current assignee: Guangdong Prov Electronic Tech Research Inst
Priority date: 2010-02-11
Filing date: 2010-02-11
Publication date: 2010-11-17
Anticipated expiration: 2020-02-11

Abstract

The utility model discloses a lead device for single-cell voltage tests in a fuel cell stack. The lead device comprises an upper clamp plate, a lower clamp plate and an adjusting mechanism used for adjusting the distance between the upper and the lower clamp plates, wherein a plurality of elastic test probes corresponding to carbon plates are fixedly mounted on the upper clamp plate and simultaneously connected with different pins of a cable socket through respective lead; and the cable socket is connected with each testing interface of a voltage itinerant detector through matched flat cables. When the lead device is used to test the voltage of each cell in the cell stack, the test probes are pressed against the carbon plates by external force; no opening is required to be formed on the carbon plates, so as not to damage the structures of the carbon plates; the test probes can be in good contact with the carbon plates by virtue of the elasticity, so as to ensure the reliability of contact; besides, circuits of the probes are connected with the cable socket through leads, so that wiring failures caused by human factors are avoided to ensure fast and convenient installation.

Description

The thread guide devices of fuel cell pile unit voltage test

Technical field

The utility model relates to the thread guide devices that the unit voltage test is used in the fuel cell pile.

Background technology

Fuel cell pile is composed in series by a plurality of single ponds usually, in the test of fuel cell pile, except need detecting the total voltage of fuel cell pile, also can need the voltage in each single pond of test battery pile to patrol and examine usually.At present, the detection of the unit voltage of fuel cell pile is generally then adopted the voltage polling instrument of fuel cell special use, need each the Dan Chi the two poles of the earth in the fuel cell pile externally be gone between, and these lead-in wires are received fuel battery voltage logging test interface, test.

At present, the most normal adopted connection plan is exactly to open a size and the certain aperture 2a of the degree of depth in the carbon plate 1a in each single pond of fuel cell, the test probe 3a of identical size is inserted in the aperture, is connected to fuel battery voltage logging 5a test interface by lead-in wire 4a again, as Fig. 1.The mode of connection of this scheme is very directly perceived, as long as the order of connection is correct, the test probe contact is reliable, just can finish voltage polling smoothly; Yet there is following some weak point in it: though 1, the carbon plate in fuel cell list pond has but very thin of certain rigidity, open the aperture of a certain depth in the above, and test probe is inserted, will split carbon plate is slotting a little because of carelessness; 2, test probe is after the plug of carrying out on the aperture repeatedly, and the absent-mindedness that can become gradually causes loose contact between test probe and the carbon plate, can't finish unit voltage and patrol and examine; 3, because every p-wire all is a solid wire independently, therefore when inserting these lines, accidentally just might get wrong in proper order, finally cause voltage polling to be made mistakes; 4, change primary fuel cell at every turn just must plug all probes again, time-consuming effort, inconvenience again.

The utility model content

The utility model be intended to provide a kind of can be fast, accurately, lead-in wire reliably, and the thread guide devices of the unit voltage test of the fuel cell pile of fragile carbon plate not.

The thread guide devices of the unit voltage test of fuel cell pile of the present utility model, comprise train wheel bridge and lower plate, the governor motion that is used to regulate its spacing is installed between lower plate and train wheel bridge, be installed with a plurality of on the train wheel bridge and the corresponding elastic test probe in carbon plate position, each elastic test probe connects the variant pin of winding displacement socket simultaneously by going between separately, and the winding displacement socket is by being connected each test interface of voltage polling instrument with the winding displacement that it matches.

The thread guide devices of the unit voltage test of fuel cell pile of the present utility model, when measuring each unit voltage of battery pile, train wheel bridge is placed on the carbon plate top of mesuring battary pile, lower plate places the carbon plate below, make each elastic test probe aim at each carbon plate respectively, pass through governor motion, in the adjusting, spacing between lower plate, elastic test probe fixing on the train wheel bridge is pressed on respectively on each self-corresponding carbon-point, because each elastic test probe, be connected by lead-in wire on the different pins of winding displacement socket, the winding displacement that therefore will connect each test interface of voltage polling instrument inserts on the winding displacement socket that connects each elastic test probe, can the full line voltage logging and being connected of each single pond carbon plate, realize the detection that each unit voltage of battery pile is examined.The thread guide devices of the unit voltage test of above-mentioned fuel cell pile, during each cell voltage of test battery pile, test probe is pressed in above the carbon plate by external force, does not need perforate on the carbon plate, can not destroy the structure of carbon plate; Simultaneously, test probe has certain elasticity, can contact with carbon plate well, has guaranteed the reliability of contact; And, because probe circuitry receives on the winding displacement socket by lead-in wire, can be because of artificial not former thereby cause wiring to make mistakes.In addition, described device is installed very convenient, saves time, laborsaving.

Description of drawings

Fig. 1 is the lead-in wire synoptic diagram of the unit voltage test of existing fuel cell pile;

Fig. 2 is the thread guide devices scheme of installation of the unit voltage test of fuel cell pile of the present invention;

Fig. 3 is the vertical view of train wheel bridge.

Embodiment

Embodiment 1, and the thread guide devices of the unit voltage of fuel cell pile test as Fig. 2, comprises the train wheel bridge 5 on cover and the battery pile carbon plate and the lower plate 6 of battery pile carbon plate below, and the governor motion that is used to regulate its spacing is installed between lower plate and train wheel bridge.Described governor motion can be the screw mandrel 1 that is installed in upper and lower clamping plate both sides, the fixedly connected lower plate of one end of screw mandrel, the other end and last folder version pass through rotary screw rod by being threaded of matching, train wheel bridge lower plate relatively moves up and down, thereby realizes going up the spacing between lower plate.Described governor motion also can be the screw rod that passes upper and lower deck, and the head and the lower plate of screw rod offset, and the part that screw rod stretches out the folder version screws by nut.Be installed with a plurality of on the train wheel bridge (as Fig. 3) and the corresponding elastic test probe 3 in carbon plate 7 positions, each elastic test probe is by the 2 variant pins that connect winding displacement socket 4 simultaneously that go between separately, and the winding displacement socket is by being connected each test interface of voltage polling instrument 8 with its winding displacement that matches 9.

Claims

1. the thread guide devices of the unit voltage of fuel cell pile test, it is characterized in that, comprise train wheel bridge and lower plate, the governor motion that is used to regulate its spacing is installed between lower plate and train wheel bridge, be installed with a plurality of on the train wheel bridge and the corresponding elastic test probe in carbon plate position, each elastic test probe connects the variant pin of winding displacement socket simultaneously by going between separately, and the winding displacement socket is by being connected each test interface of voltage polling instrument with the winding displacement that it matches.