CN221202507U - Photovoltaic cell IV test auxiliary device - Google Patents

Abstract

The utility model discloses a photovoltaic cell IV test auxiliary device in the technical field of photovoltaic cell test, which comprises: a base; the gas tank is arranged at the lower end of the base, and two ends of the gas tank are respectively provided with an air inlet joint and a first air outlet joint; the mounting bracket, the mounting bracket sets up the side of base, be provided with the second exhaust joint on the circumference lateral wall of mounting bracket, the inner chamber of mounting bracket is provided with the purge trachea, purge trachea with the second exhaust joint is connected, purge tracheal tip is provided with the purge tracheal joint, purge tracheal joint's tip is provided with the ooff valve, this kind of photovoltaic cell IV test auxiliary device, through gas pitcher storage air, the air of storage in the gas pitcher enters into in the second exhaust joint through carrying trachea and purge trachea, sweeps the slide through the discharge of second exhaust joint, can guarantee the stability of test.

Description

Photovoltaic cell IV test auxiliary device

Technical Field

The utility model relates to the technical field of photovoltaic cell testing, in particular to an auxiliary device for photovoltaic cell IV testing.

Background

With the rapid development of the photovoltaic field, the market competition of the silicon wafer battery is more and more vigorous, the quality requirement on the battery piece is more and more high, the conversion efficiency of the battery piece is the most important parameter of the crystalline silicon solar battery, the occurrence of the efficiency of the battery piece is prevented from generating the abnormality of high/low deficiency, and the stability of IV test is ensured to have great value and significance.

Most IV equipment in the market is provided with a small label, and the IV equipment is provided with the small label, which is a key device for testing and sorting silicon wafer production and guaranteeing photoelectric conversion efficiency, output volt-ampere characteristic curve and parameter measurement accuracy calibration. Because of the influence of workshop environment, battery fragments and the like, dust particles, fragments and other impurities are often attached to the surface of a small glass slide, so that IV measurement accuracy is reduced or electrical performance parameters are abnormal, a method of wiping the surface of a small label piece by dust-free cloth is often adopted in the production process, time and labor are consumed, the surface impurities cannot be guaranteed to be completely wiped, fine scratches are easily generated on the surface of the small label piece, and then the problem of cleaning the surface dirt of the label piece is also solved.

Disclosure of utility model

The utility model aims to provide an auxiliary device for testing photovoltaic cells IV, which solves the problems that in the prior art, due to the influences of workshop environment, cell fragments and the like, dust particles, fragments and other impurities are often attached to the surfaces of small glass slides, so that IV measurement accuracy is reduced or electrical performance parameters are abnormal, and in the production process, a method of wiping the surfaces of small label pieces by dust-free cloth is mostly adopted, so that time and labor are consumed, the impurities on the surfaces cannot be completely wiped, and fine scratches are easily generated on the surfaces of the small label pieces.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a photovoltaic cell IV test assist device comprising:

A base;

The gas tank is arranged at the lower end of the base, and two ends of the gas tank are respectively provided with an air inlet joint and a first air outlet joint;

The mounting bracket, the mounting bracket sets up the side of base, be provided with the second exhaust joint on the circumference lateral wall of mounting bracket, the inner chamber of mounting bracket is provided with sweeps the trachea, sweep the trachea with the second exhaust joint is connected, it is provided with and sweeps the tracheal union to sweep tracheal tip, it is provided with the ooff valve to sweep tracheal union's tip, the tip of ooff valve is provided with the transportation trachea, transportation trachea with first exhaust joint is connected.

Preferably, the top surface of the base is provided with a base table top, and the top surface of the base table top is provided with a background plate;

The four corners of the top surface of the base are provided with telescopic mechanisms, the telescopic ends of the telescopic mechanisms are provided with first connecting plates, the side walls of the first connecting plates are provided with jigs, and the jigs correspond to the background plates;

The both sides of base all are provided with first mounting panel.

Preferably, a compression mechanism is arranged on the side wall of the first mounting plate, and comprises a first bottom plate, a compression cylinder, a crankshaft, a first connecting rod, a cross connecting frame, a second connecting rod and a first driving rod;

The first bottom plate is arranged on the side wall of the first mounting plate, one end of the top surface of the first bottom plate is provided with a first vertical frame and a second vertical frame, the second vertical frame is arranged on the side surface of the first vertical frame, a motor is arranged on the side wall of the second vertical frame, the other end of the top surface of the first bottom plate is provided with a third vertical frame, and the third vertical frame corresponds to the first vertical frame;

The circumference outer side wall of the compression cylinder is provided with an installation seat, the installation seat is connected with the first bottom plate, and the circumference outer side wall of the compression cylinder is symmetrically provided with air ports;

The crankshaft is arranged between the first vertical frame and the second vertical frame and is connected with the motor;

The first connecting rod is connected with the crankshaft and is arranged outside the compression cylinder;

The cross connecting frame is connected with the first connecting rod, the cross connecting frame is arranged at the end part of the compression cylinder, one end of the cross connecting frame penetrates through the third vertical frame, and the other end of the cross connecting frame is arranged in the inner cavity of the compression cylinder;

The second connecting rod and the inner cavity of the crankshaft are arranged at the other end of the compression cylinder, and the end part of the second connecting rod is inserted into the inner cavity of the compression cylinder;

The first driving rod is connected with the crankshaft, and the first driving rod is arranged on the inner side of the first mounting plate.

Preferably, a first piston is arranged at the end part of the cross connecting frame, and the first piston is arranged in the inner cavity of the compression cylinder.

Preferably, a second piston is arranged at the end part of the second connecting rod, the second piston is arranged in the inner cavity of the compression cylinder, and the second piston and the first piston are symmetrically arranged.

Preferably, a first driving mechanism is arranged on the side wall of the first mounting plate, and comprises a second mounting plate, an arc-shaped driving block, a second driving rod, a gear, a screw rod, a moving block and a first sliding block;

The second mounting plate is arranged on the side wall of the first mounting plate, a guide rod is arranged on the side edge of the second mounting plate, and the guide rod is connected with the first mounting plate;

The arc-shaped driving block is arranged on the side wall of the second mounting plate, the arc-shaped driving block is arranged at the upper end of the guide rod, a chute is arranged on the side wall of the arc-shaped driving block, limiting blocks are arranged at two ends of the cambered surface of the arc-shaped driving block, an arc-shaped rack is arranged on the cambered surface of the arc-shaped driving block, and the arc-shaped rack is arranged between the two limiting blocks;

One end of the second driving rod is connected with the sliding groove, and the other end of the second driving rod is connected with the first driving rod;

The gear is arranged on the side surface of the second mounting plate and meshed with the arc-shaped rack;

the screw rod is connected with the gear, and the screw rod is connected with the first mounting plate;

The movable block is arranged on the circumferential outer side wall of the screw rod, a guide block is arranged on the side wall of the movable block, the guide block is connected with the guide rod, an air injection joint is arranged on the side wall of the movable block, and the air injection joint is connected with the second exhaust joint;

the first sliding block is arranged on the side face of the second mounting plate and is connected with the first mounting plate.

Preferably, a second driving mechanism is arranged on the side wall of the first mounting plate, and comprises a second bottom plate, a driven plate, a driving plate, a limiting shaft, a mounting block and a crank;

the second bottom plate is arranged on the side ear of the first mounting plate;

The driven plate is arranged on the side face of the second bottom plate, a first clamping block and a second clamping block are annularly arranged at the edge of the side face of the driven plate, and the first clamping block and the second clamping block are staggered;

The driving disc is arranged on the side face of the driven disc, the driving disc is arranged on the inner side of the first clamping block, the driving disc is connected with the first driving rod, an eccentric driving block is arranged at the edge of the side face of the driving disc, a first clamping groove is formed in the end portion of the eccentric driving block, the first clamping groove corresponds to the first clamping block, and a cushion block is arranged at the top of the eccentric driving block;

one end of the limiting plate is connected with the cushion block, and a second clamping groove is formed in the other end of the limiting plate;

The limiting shaft is arranged at the edge of the side face of the second bottom plate and is matched with the second clamping groove;

The mounting block is arranged at the edge of the side face of the second bottom plate and corresponds to the limiting shaft, and a second sliding block is arranged on the inner side of the mounting block;

one end of the crank is connected with the second sliding block, and the other end of the crank is connected with the cushion block.

Preferably, a connecting shaft is arranged at the end part of the side face of the second sliding block, the connecting shaft is connected with the crank, a third clamping groove is formed in the other end part of the second sliding block, and the third clamping groove corresponds to the second clamping block.

Preferably, a translation mechanism is arranged on the top surface of the first sliding block, the translation mechanism is connected with the second driving mechanism, and the translation mechanism comprises a second connecting plate and a fifth mounting plate;

The end part of the second connecting plate is provided with a third connecting plate, the third connecting plate is connected with the first sliding block, the other end part of the second connecting plate is provided with a fourth connecting plate, the fourth connecting plate is contacted with the first connecting plate, the side wall of the fourth connecting plate is provided with a third connecting plate, and the third connecting plate is contacted and connected with the first connecting plate;

The fifth mounting plate is arranged at the end part of the bottom surface of the second connecting plate, and the fifth mounting plate corresponds to the first clamping block.

Preferably, the bottom surface of the fifth mounting plate is uniformly provided with a driving shaft, and the driving shaft and the first clamping block are arranged in a staggered manner.

Compared with the prior art, the utility model has the beneficial effects that: this kind of photovoltaic cell IV test auxiliary device, through gas pitcher storage air, the air of storage in the gas pitcher enters into in the second exhaust connector through carrying trachea and purge the trachea, and it sweeps the slide to discharge through the second exhaust connector, can guarantee the stability of test.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a gas tank according to the present utility model;

FIG. 3 is a schematic view of the mounting frame of the present utility model;

FIG. 4 is a schematic view of the base, compression mechanism, first drive mechanism, second drive mechanism and translation mechanism arrangement of the present utility model;

FIG. 5 is a schematic view of a compression mechanism according to the present utility model;

FIG. 6 is a schematic illustration of a second connecting rod and second piston arrangement of the present utility model;

FIG. 7 is a schematic view of a first driving mechanism according to the present utility model;

FIG. 8 is a schematic diagram of an arc-shaped driving block according to the present utility model;

FIG. 9 is a schematic diagram of a second driving mechanism according to the present utility model;

FIG. 10 is a schematic view of a second slider structure according to the present utility model;

fig. 11 is a schematic structural view of a translation mechanism of the present utility model.

In the figure: 100 base, 110 base table top, 120 background plate, 130 telescoping mechanism, 140 first connection plate, 150 jig, 160 first mounting plate, 200 gas canister, 210 gas inlet connector, 220 first gas outlet connector, 300 mounting bracket, 310 second gas outlet connector, 320 purge gas tube, 330 purge gas tube connector, 400 compression mechanism, 410 first bottom plate, 410a first stand, 410b second stand, 410c third stand, 420 compression cylinder, 420a mounting seat, 420b gas port, 430 crankshaft, 440 first connection rod, 450 cross connection frame, 450a first piston, 460 second connection rod, 460a second piston, 470 first driving rod, 500 first driving mechanism, 510 second mounting plate, 510a guide rod, 520 arc-shaped driving block, 520a chute, 520b stopper, 520c arc-shaped rack, 530 second driving rod, 540 gear, 550 screw rod, 560 moving block, 560a guide block, 560b connector, 570 first slider, 600 second driving mechanism, 610 second bottom plate, 620 driven plate, 620a first clamping block, 620b second clamping block, 620a second clamping block, 630a driving block, 630b, 630a first clamping block, 710b, 630a second clamping block, 710b, 710 c, 630a second clamping block, 710b, 710a third clamping plate, 710b, 710a, 710b, and a third mounting plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a photovoltaic cell IV test auxiliary device, which stores air through a gas tank, the air stored in the gas tank enters a second exhaust joint through a conveying gas pipe and a blowing gas pipe, and the air is discharged through the second exhaust joint to blow a small glass slide, so that the stability of the test can be ensured, and referring to FIG. 1, the photovoltaic cell IV test auxiliary device comprises: a base 100, a gas tank 200, and a mount 300;

Example 1

Referring to fig. 1 to 3, a gas tank 200 is disposed at the lower end of a base 100, two ends of the gas tank 200 are respectively provided with an air inlet connector 210 and a first air outlet connector 220, a mounting frame 300 is disposed at the side surface of the base 100, a second air outlet connector 310 is disposed on the circumferential outer side wall of the mounting frame 300, a purging gas pipe 320 is disposed in an inner cavity of the mounting frame 300, the purging gas pipe 320 is connected with the second air outlet connector 310, a purging gas pipe connector 330 is disposed at the end of the purging gas pipe 320, a switching valve is disposed at the end of the purging gas pipe connector 330, a conveying gas pipe is disposed at the end of the switching valve, and the conveying gas pipe is connected with the first air outlet connector 220;

The mounting frame 300 is detachably mounted at the middle position of the rear side surface of the top of the base 100 through bolts, and the bottom of the mounting frame 300 penetrates through the bottom of the base 100;

The number of the second exhaust connectors 310 is 1-3, the second exhaust connectors 310 can be additionally arranged according to actual use requirements, the second exhaust connectors 310 are detachably arranged on the circumferential outer side wall of the mounting frame 300 through bolts, one end of each second exhaust connector 310 is arranged in an inner cavity of the mounting frame 300, the other end of each second exhaust connector 310 is arranged on the outer side of the mounting frame 300, the second exhaust connectors 310 are arranged at the upper end of the base 100, air nozzles are arranged at one end of each second exhaust connector 310 arranged on the outer side of the mounting frame 300 through bolts, air is sprayed onto a small glass slide through the air nozzles, and the surface of the small glass slide is purged, so that the stability of testing is effectively guaranteed;

One end of the purge air pipe 320 is arranged in the inner cavity of the mounting frame 300, the purge air pipe 320 is connected with one end of the second exhaust joint 310, which is arranged in the inner cavity of the mounting frame 300, the other end of the purge air pipe 320 penetrates through the bottom of the mounting frame 300, the purge air pipe joint 330 is arranged on one end of the purge air pipe 320, which is arranged on the outer side of the mounting frame 300, through threaded connection, the end, which is far away from the purge air pipe 320, of the purge air pipe joint 330 is provided with a switch valve, the switch valve is an electromagnetic valve, and one end, which is far away from the purge air pipe joint 330, of the switch valve is provided with a conveying air pipe;

The gas pitcher 200 sets up the lower extreme at the base 100, the tip at gas pitcher 200 is installed through threaded connection to air inlet connector 210, air inlet connector 210 links up with the inner chamber of gas pitcher 200 mutually, first exhaust connector 220 is installed at the other tip of gas pitcher 200 through threaded connection, first exhaust connector 220 links up with the inner chamber of gas pitcher 200 mutually, outside air fills the inner chamber at gas pitcher 200 through air inlet connector 210 and preserves, one end that keeps away from gas pitcher 200 on the first exhaust connector 220 is connected with the conveying trachea, when need sweep the slide, the switching valve starts the passageway between switch-on conveying trachea and the purge trachea, the air of gas pitcher 200 inner chamber enters into the inside that sweeps trachea connector 330 through the purge trachea, and spout the surface to the slide through the air cock.

Example 2

Referring to fig. 1, a top surface of a base 100 is provided with a base table top 110, and a top surface of the base table top 110 is provided with a background plate 120;

the base mesa 110 passes through bolt demountable installation at the top of base 100, and the back-up plate 120 passes through bolt demountable installation at the top of base mesa 110, reduces the open area at the top of base mesa 110 through back-up plate 120, and under the condition that does not influence line CT, the test needle row below is installed the back-up plate additional and is avoided cubic piece to influence the test effect, has ensured the stability of test, has reduced the frequency of line clearance piece to a certain extent.

Example 3

Referring to fig. 1 and 4-6, a compression mechanism 400 is disposed on a side wall of a first mounting plate 160, the compression mechanism 400 includes a first bottom plate 410, a compression cylinder 420, a crankshaft 430, a first connecting rod 440, a cross connecting frame 450, a second connecting rod 460 and a first driving rod 470, the first bottom plate 410 is disposed on a side wall of the first mounting plate 160, one end of a top surface of the first bottom plate 410 is provided with the first vertical plate 410a and the second vertical plate 410b, the second vertical plate 410b is disposed on a side surface of the first vertical plate 410a, a motor is disposed on a side wall of the second vertical plate 410b, the other end of the top surface of the first bottom plate 410 is provided with a third vertical plate 410c, the third vertical plate 410c corresponds to the first vertical plate 410a, a mounting seat 420a is disposed on a circumferential outer side wall of the compression cylinder 420, the mounting seat 420a is connected with the first bottom plate 410, the circumferential outer side wall of the compression cylinder 420 is symmetrically disposed with 420b, the crankshaft 430 is disposed between the first vertical plate 410a and the second vertical plate 410b, 430 is connected with the motor, the first connecting rod 440 is connected with the crankshaft 460a cross connecting rod 420, the first connecting rod 420 is disposed at an inner cavity of the cross connecting rod 420, the compression cylinder 420 is disposed at an end of the compression cylinder 450, the piston 450 is connected with the piston 450a piston 450, the piston 450 is disposed at an end of the piston 450, and is connected with the piston 450a piston 450, the piston 450 is disposed at the piston 450 end of the piston 450, and the piston 450 is connected with the piston 450a piston 450, and is disposed at the piston 450 end of the piston 450, the second piston 460a is symmetrically disposed with the first piston 450 a;

The number of the first mounting plates 160 is two, the two first mounting plates 160 are arranged on the left side and the right side of the base 100 one by one, and the first mounting plates 160 are detachably arranged on the side wall of the base 100 through bolts;

The first base plate 410 is detachably mounted on the top of one side of one first mounting plate 160 of the two first mounting plates 160, which is far from the base 100, by bolts;

The first stand 410a is detachably mounted on one side of the top end of the first bottom plate 410, which is far away from the first mounting plate 160, through bolts, and the motor is detachably mounted on one side of the first stand 410a, which is far away from the first mounting plate 160, through bolts;

The number of the second stand frames 410b is two, the two second stand frames 410b are detachably arranged on the top surface of the first bottom plate 410 through bolts, and the second stand frames 410b are at the same end with the first stand frames 410 a;

the third stand 410c is detachably mounted at one end of the top surface of the first bottom plate 410, which is far away from the second stand 410b, by bolts, and the third stand 410c corresponds to the second stand 410 b;

the number of the mounting seats 420a is two, the two mounting seats 420a are integrally formed on the circumferential outer side wall of the compression cylinder 420, the two mounting seats 420a are symmetrically arranged, the mounting seats 420a are detachably mounted on the top of the first bottom plate 410 through bolts, the compression cylinder 420 is mounted on the top of the first bottom plate 410 through the mounting seats 420a, and the compression cylinder 420 is arranged between the second vertical frame 410b and the third vertical frame 410 c;

The number of the air ports 420b is two, the two air ports 420b are integrally formed on the circumferential outer side wall of the compression cylinder 420, the two air ports 420b are vertically symmetrically arranged on the circumferential outer side wall of the compression cylinder 420, the air port 420b is communicated with the inner cavity of the compression cylinder 420, one air port 420b of the two air ports 420b is used for air intake, the other air port 420b is used for air exhaust, the air port 420b used for air intake is arranged at the top of the compression cylinder 420, the air port 420b used for air exhaust is arranged at the bottom of the compression cylinder 420, check valves are arranged at the end parts of the two air ports 420b, the check valves arranged on the air inlet 420b are used for preventing air in the inner cavity of the compression cylinder 420 from being discharged to the outside, and the check valves arranged on the air outlet 420b are used for preventing the external air from entering the inner cavity of the compression cylinder 420 and are connected with the air inlet joint 210 through pipelines and used for filling the inner cavity of the air tank 200;

The crankshaft 430 is composed of three swing arms, the three swing arms are arranged in a staggered manner, the direction of the swing arm arranged in the middle is opposite to that of the two swing arms arranged at two sides, the swing arm arranged in the middle is arranged between the two second uprights 410b, one of the two swing arms arranged at the side is arranged between the second uprights 410b and the first uprights 410a, and the third swing arm is arranged between the second uprights 410b and the first mounting plate 160;

The number of the first connecting rods 440 is two, the two first connecting rods 440 are connected with two swing arms arranged on the side surfaces, the end parts of the first connecting rods 440 are movably connected with the crankshaft 430, and the other end parts of the first connecting rods 440 extend to the end close to the third vertical frame 410c along the axial direction of the compression cylinder 420;

The cross connecting frame 450 is connected with one end, far away from the crankshaft 430, of the first connecting rod 440 through a bearing, one end of the cross connecting frame 450 penetrates through the third vertical frame 410c, the cross connecting frame 450 is connected with the third vertical frame 410c through a linear bearing, the cross connecting frame 450 can do translational motion on the third vertical frame 410c through the linear bearing, the other end of the cross connecting frame 450 is inserted into the inner cavity of the compression cylinder 420, the first piston 450a is installed on the cross connecting frame 450 through threaded connection or bolt connection and is arranged at one end of the inner cavity of the compression cylinder 420, the first piston 450a is arranged in the inner cavity of the compression cylinder 420, and the first piston 450a is driven to do translational motion in the inner cavity of the compression cylinder 420 along the axial direction of the compression cylinder 420 through the cross connecting frame 450;

One end of the second connecting rod 460 is movably connected with the swing arm arranged in the middle, the other end of the second connecting rod 460 is inserted into the inner cavity of the compression cylinder 420, the second piston 460a is movably arranged at the end part of the second connecting rod 460 through a shaft pin, the second piston 460a is arranged in the inner cavity of the compression cylinder 420, the second piston 460a moves in a translational mode along the axial direction of the compression cylinder 420 through the inner cavity of the compression cylinder 420 of the second connecting rod 460, and the first piston 450a and the second piston 460a are matched for use, so that the stroke of the whole air suction process is shortened, and the working efficiency is improved;

specifically, the crankshaft 430 is driven to perform circular motion by a motor, the first connecting rod 440 and the second connecting rod 460 are respectively driven to perform circular motion by the crankshaft 430, one end of the first connecting rod 440 connected with the crankshaft 430 performs circular motion by the crankshaft 430, the other end of the first connecting rod 440 performs translational motion under the limitation of the cross connecting frame 450 and the third stand 410c, the cross connecting frame 450 is driven to perform translational motion by one end of the first connecting rod 440 far away from the crankshaft 430 and the third stand 410c, the first piston 450a is driven to move in the inner cavity of the compression cylinder 420 by the cross connecting frame 450, one end of the first connecting rod 440 far away from the crankshaft 430 forms a push-pull motion track by the crankshaft 430, one end of the second connecting rod 460 is driven to perform circular motion by the crankshaft 430, and due to the movable connection between the second connecting rod 460 and the second piston 460a, the second connecting rod 460 is limited by the second piston 460a, one end of the second connecting rod 460 far away from the crankshaft 430 is driven by the crankshaft 430 to do translational motion, the second piston 460a is driven by the second connecting rod 460 to move in the cavity of the compression cylinder 420, one end of the second connecting rod 460 far away from the crankshaft 430 is driven by the crankshaft 430 to form a push-pull motion track, and as the direction of the swing arm arranged in the middle is opposite to that of the swing arm arranged at two sides, when the second connecting rod 460 is driven by the crankshaft 430 to do pushing motion, the first connecting rod 440 is driven by the crankshaft 430 to do pulling motion, so that the first piston 450a and the second piston 460a do opposite motion in the cavity of the compression cylinder, when the first piston 450a and the second piston 460a do opposite motion, the air in the cavity of the compression cylinder 420 is compressed by the first piston 450a and the second piston 460a, air is exhausted from the air port 420b for exhausting air into the inner cavity of the air tank 200 under the driving of the first piston 450a and the second piston 460a, whereas when the second connecting rod 460 is in pulling motion under the driving of the crankshaft 430, the first connecting rod 440 is in pushing motion under the driving of the crankshaft 430, so that the first piston 450a and the second piston 460a are in opposite motion in the inner cavity of the compression cylinder 420, vacuum is pumped into the inner cavity of the compression cylinder 420, at this time, external air enters into the inner cavity of the compression cylinder 420 through the air port 420b for air intake, and external air is filled into the inner cavity of the air tank 200 in a reciprocating cycle in sequence for supplementing the air pressure of the inner cavity of the air tank 200.

Example 4

Referring to fig. 1, 4-5 and 7-8, the four corners of the top surface of the base 100 are provided with a telescopic mechanism 130, the telescopic end of the telescopic mechanism 130 is provided with a first connecting plate 140, the side wall of the first connecting plate 140 is provided with a jig 150, the jig 150 corresponds to the background plate 120, both sides of the base 100 are provided with a first mounting plate 160, the side wall of the first mounting plate 160 is provided with a first driving mechanism 500, the first driving mechanism 500 comprises a second mounting plate 510, an arc driving block 520, a second driving rod 530, a gear 540, a screw 550, a moving block 560 and a first sliding block 570, the second mounting plate 510 is arranged on the side wall of the first mounting plate 160, the side edge of the second mounting plate 510 is provided with a guiding rod 510a, the guiding rod 510a is connected with the first mounting plate 160, the arc driving block 520 is arranged on the side wall of the second mounting plate 510, the arc driving block 520 is arranged on the upper end of the guiding rod 510a, the side wall of the arc-shaped driving block 520 is provided with a sliding groove 520a, both ends of the arc surface of the arc-shaped driving block 520 are provided with limiting blocks 520b, the arc surface of the arc-shaped driving block 520 is provided with an arc-shaped rack 530c, the arc-shaped rack 530c is arranged between the two limiting blocks 520b, one end of a second driving rod 530 is connected with the sliding groove 520a, the other end of the second driving rod 530 is connected with a first driving rod 470, a gear 540 is arranged on the side surface of a second mounting plate 510, the gear 540 is meshed with the arc-shaped rack 530c, a screw rod 550 is connected with the gear 540, the screw rod 550 is connected with the first mounting plate 160, a moving block 560 is arranged on the circumferential outer side wall of the screw rod 550, a guide block 560a is arranged on the side wall of the moving block 560, a jet joint 560b is arranged on the side wall of the moving block 560, the jet joint 560b is connected with a second exhaust joint 310, the first sliding block 570 is arranged on the side surface of the second mounting plate 510, the first slider 570 is connected to the first mounting plate 160;

the first slider 570 is detachably mounted on the side wall of the second mounting plate 510 through bolts, the first slider 570 is mounted on the top of the first mounting plate 160 adjacent to the compression mechanism 400 through a linear bearing, the second mounting plate 510 is mounted on the side surface of the first mounting plate 160 through the first slider 570, the second mounting plate 510 is arranged between the two first mounting plates 160, the first slider 570 can do translational motion on the top of the first mounting plate 160 through a wire core bearing, the second mounting plate 510 can do translational motion on the side surface of the first mounting plate 160 through the first slider 570, the guide rod 510a is mounted on the bottom of one side, far from the first slider 570, of the second mounting plate 510 through a threaded connection or a bolt connection, and the other end of the guide rod 510a extends to the position of the other first mounting plate 160;

The arc-shaped driving block 520 is movably mounted on one side of the second mounting plate 510 far away from the first sliding block 570 through a shaft pin, and the arc-shaped driving block 520 can do arc-shaped movement on the side surface of the second mounting plate 510 through the shaft pin;

The sliding groove 520a is formed on one side of the arc-shaped driving block 520 far away from the second mounting plate 510 along the diameter direction, and the sliding groove 520a penetrates through one side of the arc-shaped driving block 520 facing the second mounting plate 510;

the number of the limiting blocks 520b is two, the two limiting blocks 520b are detachably arranged on the cambered surface of the arc-shaped driving block 520 through bolts, and the two limiting blocks 520b are symmetrically arranged;

The arc-shaped rack 520c is arranged on the cambered surface of the arc-shaped driving block 520 through a sliding rail, the arc-shaped rack 520c is arranged between the two limiting blocks 520b, and the arc-shaped rack 520c can do arc-shaped movement on the cambered surface of the arc-shaped driving block 520 through the sliding rail;

One end of the second driving rod 530 is connected with the chute 520a through a shaft pin, one end of the second driving rod 530 can slide on the inner side of the chute 520a through the shaft pin, the distance position of the arc-shaped driving block 520 is adjusted through the sliding of one end of the second driving rod 530 on the chute 520a, when the end part of the second driving rod 530 is positioned close to the center position, the arc-shaped driving block 520 is positioned at the farthest position, when the second driving rod 530 is positioned far away from the center position, the arc-shaped driving block 520 is positioned at the nearest position, the other end of the second driving rod 530 is movably connected with the groove part on the first driving rod 470 through a bearing, the first driving rod 470 is connected with the crankshaft 430, the first driving rod 470 is driven to rotate through the crankshaft 430, the part connected with the first driving rod 470 on the second driving rod 530 is driven to do circular motion, and one end of the second driving rod 530 far away from the first driving rod 470 is pushed and pulled to move under the limitation of the chute 520a, and the arc-shaped driving block 520 is driven to do circular motion through the second driving rod 530;

The gear 540 is movably mounted on one side of the second mounting plate 510 far away from the first sliding block 570 through a shaft pin, the gear 540 can rotate on the second mounting plate 510 through the shaft pin, the gear 540 is arranged at the lower end of the arc-shaped driving block 520, the gear 540 is meshed with the arc-shaped rack 520c, the friction force between the gear 540 and the shaft pin is larger than the friction force between the arc-shaped rack 520c and the arc-shaped driving block 520, when the arc-shaped driving block 520 moves in an arc mode, the arc-shaped rack 520c slides on the cambered surface of the arc-shaped driving block 520 under the limitation of the gear 540 in an initial state until one end of the arc-shaped rack 520c is contacted with the limiting block 520b, and the limiting block 520b limits the arc-shaped rack 520c, at the moment, the gear 540 is driven to rotate through the arc-shaped rack 520c, so that the gear 540 is in a static state when the arc-shaped rack 520c moves between the two limiting blocks 520b, and the gear 540 is in a moving state when the arc-shaped rack 520c contacts with the limiting block 520b, and the gear 540 can move in an intermittent mode;

One end of the screw rod 550 is connected with the gear 540 through a spline or a flat key, the screw rod 550 is driven to rotate through the gear 540, and the other end of the screw rod 550 extends to the first mounting plate 160;

The moving block 560 is arranged on the circumferential outer side wall of the screw rod 550 through threaded connection, the guide block 560a is integrally formed on the side wall of the moving block 560, the guide block 560a is connected with the guide rod 510a through a linear bearing, the moving block 560 is limited through the cooperation of the guide block 560a and the guide rod 510a, and the moving block 560 is driven to translate along the axial direction of the screw rod 550 on the circumferential outer side wall of the screw rod 550 through the rotation of the screw rod 550 and the limit of the guide block 560a and the guide rod 510 a;

the air injection joint 560b is installed on the side wall of the moving block 560 through threaded connection, the air injection joint 560b is arranged at the lower end of the guide block 560a, the air injection joint 560b is connected with the second air discharge joint 310 through a hose, and the air injection joint 560b is driven to move through the movement of the moving block 560, so that the slide can be purged through lateral movement;

Example 5

Referring to fig. 1, 4-5, 7 and 9-11, a second driving mechanism 600 is disposed on a side wall of the first mounting plate 160, the second driving mechanism 600 includes a second bottom plate 610, a driven plate 620, a driving plate 630, a limiting plate 640, a limiting shaft 650, a mounting block 660 and a crank 670, the second bottom plate 610 is disposed on a side ear of the first mounting plate 160, the driven plate 620 is disposed on a side surface of the second bottom plate 610, a first clamping block 620a and a second clamping block 620b are disposed in a ring shape at a side edge of the driven plate 620, the first clamping block 620a and the second clamping block 620b are disposed in a staggered manner, the driving plate 630 is disposed on a side surface of the driven plate 620, the driving plate 630 is disposed on an inner side of the first clamping block 620a, the driving plate 630 is connected with the first driving rod 470, an eccentric driving block 630a is disposed at a side edge of the driving plate 630a, a first clamping groove 630b is disposed at an end portion of the eccentric driving block 630a, the first clamping groove 630b corresponds to the first clamping block 620a, the top of the eccentric driving block 630a is provided with a cushion block 630c, one end of the limiting plate 640 is connected with the cushion block 630c, the other end of the limiting plate 640 is provided with a second clamping groove 640a, the limiting shaft 650 is arranged at the side edge of the second bottom plate 610, the limiting shaft 650 is matched with the second clamping groove 640a, the mounting block 660 is arranged at the side edge of the second bottom plate 610, the mounting block 660 corresponds to the limiting shaft 650, the inner side of the mounting block 660 is provided with a second sliding block 660a, one end of the crank 670 is connected with the second sliding block 660a, the other end of the crank 670 is connected with the cushion block 630c, the side end of the second sliding block 660a is provided with a connecting shaft 660a-1, the connecting shaft 660a-1 is connected with the crank 670, the other end of the second sliding block 660a is provided with a third clamping groove 660a-2, the third clamping groove 660a-2 corresponds to the second clamping block 620b, the top surface of the first sliding block 570 is provided with a translation mechanism 700, the translation mechanism 700 is connected with the second driving mechanism 600, the translation mechanism 700 comprises a second connecting plate 710 and a fifth mounting plate 720, the end part of the second connecting plate 710 is provided with a third mounting plate 710a, the third mounting plate 710a is connected with the first sliding block 570, the other end part of the second connecting plate 710 is provided with a fourth mounting plate 710b, the fourth mounting plate 710b is contacted with the first mounting plate 160, the side wall of the fourth mounting plate 710b is provided with a third connecting plate 710b-1, the third connecting plate 710b-1 is contacted with the first mounting plate 160 and connected, the fifth mounting plate 720 is arranged at the end part of the bottom surface of the second connecting plate 710, the fifth mounting plate 720 corresponds to the first clamping block 620a, the bottom surface of the fifth mounting plate 720 is uniformly provided with a driving shaft 720a, and the driving shaft 720a and the first clamping block 620a are arranged in a staggered manner;

The second bottom plate 610 is detachably mounted on the top of one side of the other first mounting plate 160 far away from the base 100 through bolts, the second bottom plate 610 corresponds to the first driving rod 470, the first driving rod 470 sequentially penetrates through the first mounting plate 160 and the second bottom plate 610, and the first driving rod 470 is respectively connected with the first mounting plate 160 and the second bottom plate 610 through bearings;

The driven disc 620 is inlaid on the side wall of the second bottom plate 610 through a bearing, the driven disc 620 can rotate on the second bottom plate 610 through the bearing, the first clamping blocks 620a are uniformly arranged on the side wall edge of the driven disc 620 in an annular shape in a coaxial manner, the first clamping blocks 620a are connected with the driven disc 620 through threads, the second clamping blocks 620b are uniformly arranged on the side wall edge of the driven disc 620 in an annular shape in a coaxial manner, the second clamping blocks 620b and the first clamping blocks 620a are arranged in an interlaced manner, and the length of each first clamping block 620a is greater than that of each second clamping block 620 b;

The driving disk 630 is coaxially mounted on the sidewall of the driven disk 620 through a bearing, the driving disk 630 is connected with the first driving rod 470 through a spline or flat key connection, and the driving disk 630 is driven to rotate through the first driving rod 470;

The eccentric driving block 630a is detachably mounted at the side edge of the driving disk 630 through bolts, the eccentric driving block 630a is eccentrically arranged with the driving disk 630, and the driving disk 630 drives the eccentric driving block 630a to do circular motion;

The first clamping groove 630b is formed at one end, far away from the driving disc 630, of the eccentric driving block 630a, and the first clamping groove 630b is matched with the first clamping block 620 a;

The cushion block 630c is detachably mounted on one side of the eccentric driving block 630a, which is far away from the driving disc 630, and the limiting plate 640 is detachably mounted on one side of the cushion block 630c, which is far away from the eccentric driving block 630a, and the height of the limiting plate 640 is increased by the cushion block 630c, so that the limiting plate 640 is not contacted with the first clamping block 620 a;

The second clamping groove 640a is formed in one end, far away from the cushion block 630c, of the limiting plate 640, the limiting shaft 650 is mounted on the side wall of the second bottom plate 610 through bolts or threaded connection, a notch is formed in the circumferential outer side wall of the limiting shaft 650 and matched with the second clamping groove 640a, the second clamping groove 640a is inserted into the inner side of the notch, and the second clamping groove 640a can slide in the notch to guide;

the mounting block 660 is detachably mounted on the side wall of the second bottom plate 610 through bolts, the mounting block 660 and the limiting shaft 650 are symmetrically arranged, the second sliding block 660a is inserted into the inner side of the mounting block 660, and the second sliding block 660a can slide and guide the inner side of the mounting block 660;

The connecting shaft 660a-1 is integrally formed at one end, far away from the driven disc 620, of the top of the second slider 660a, the third clamping groove 660a-2 is formed at one end, far away from the connecting shaft 660a-1, of the second slider 660a, the third clamping groove 660a-2 is matched with the second clamping block 620b, and the third clamping groove 660a-2 can be clamped at the outer side of the second clamping block 620 b;

One end of a crank 670 is connected with the connecting shaft 660a-1 through a bearing, the crank 670 can rotate on the connecting shaft 660a-1 through the bearing, the other end of the crank 670 is movably connected with one end, far away from the second clamping groove 640a, of the limiting plate 640 through a shaft pin, and the crank 670 can rotate on the limiting plate 640 through the shaft pin;

Specifically, the driving disc 630 is driven to rotate by the first driving rod 470, the eccentric driving block 630a is driven to do circular motion by the driving disc 630, at this time, the second clamping groove 640a and the limiting shaft 650 are matched to enable the limiting plate 640 to do translational motion, in an initial state, the first clamping groove 630b is clamped on the circumferential outer side wall of the first clamping block 620a, the driven disc 620 is driven to rotate by the rotation of the driving disc 630, after the driven disc 620 rotates by an angle by the matching of the eccentric driving block 630a and the first clamping block 620a, the eccentric driving block 630a is driven to do eccentric motion, so that the eccentric driving block 630a is separated from the first clamping block 620a, at this time, the cushion block 630c drives the crank 670 to do circular motion, the second sliding block 660a is driven to slide towards one side of the driven disc 620 by the crank 670, the third clamping groove 660a-2 is clamped on the circumferential outer side wall of the second clamping block 620b, the driven disc 620 after a certain angle is fixed, and the driven disc 620a is driven to rotate by the rotation of the driving disc 630, and the eccentric driving block 630a is driven to do circular motion towards the other side wall of the second sliding block 620a under the driving block 620a, and the first sliding block 620a is driven to do intermittent motion under the first sliding block 620a and at the same time, and the second sliding block 620a is driven to do intermittent motion under the second sliding block 620a is driven to do intermittent motion, and the second sliding block 620a is driven to rotate by another sliding block is opposite side to the second sliding block 620 a;

the third mounting plate 710a is integrally formed at an end of the second connection plate 710, and the third mounting plate 710a is detachably mounted at the top of the first slider 570 by bolts;

The fourth mounting plate 710b is integrally formed at the other end of the second mounting plate 710, the fourth mounting plate 710b is respectively connected with the guide rod 510a and the screw rod 550 through a bearing, the fourth mounting plate 710b is contacted with one side of the first mounting plate 160 facing the base 100, the third mounting plate 710b-1 is integrally formed at one side of the fourth mounting plate 710b facing the first mounting plate 160, the third connecting plate 710b-1 is connected with the top of the first mounting plate 160 through a linear bearing, the third connecting plate 710b-1 can move on the first mounting plate 160 through a linear bearing, the second connecting plate 710 can move on the first mounting plate 160 through the third connecting plate 710b-1, and the second mounting plate 510 is driven to move between the two first mounting plates 160 through the cooperation of the second connecting plate 710 and the first sliding block 570, so that the movable block 560 is driven to longitudinally move;

The fifth mounting plate 720 is welded to one end of the second connection plate 710 adjacent to the fourth mounting plate 710b, and the driving shaft 720a is uniformly disposed at the bottom of the fifth mounting plate 720 along the length direction of the fifth mounting plate 720, the driving shaft 720a is mounted on the fifth mounting plate 720 by threads or bolts, and the driving shaft 720a is engaged with the first clamping block 620a but not contacted with the second clamping block 620 b;

specifically, the intermittent rotation of the driven plate 620 drives the first clamping block 620a to rotate, the first clamping block 620a is meshed with the driving shaft 720a to drive the fifth mounting plate 720 to move, the fifth mounting plate 720 drives the second connecting plate 710 to move, the second connecting plate 710 drives the first driving mechanism 500 to longitudinally move, the working principle of the first driving mechanism 500 in the embodiment 4 is matched with that of the first driving mechanism 500 to achieve the longitudinal and transverse movement of the moving block 560, so that wind energy blown by the air-jet connector 560b can cover each slide, and therefore the blowing quality of the slides is guaranteed, the illustration in the embodiment is schematic, wherein in order to guarantee that the first driving mechanism 500 moves to different positions and can still drive the overturning of the arc-shaped driving block 520, the length of the sliding groove 520a is in proportional relation with the moving stroke of the first driving mechanism 500, the longer the stroke of the first driving mechanism 500, when the first driving mechanism 500 walks to the farthest distance, the connecting portion of the second driving rod 530 and the sliding groove 520a is close to the circle center position of the arc-shaped driving block 520, and vice versa.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner so long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of brevity and resource saving. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. An auxiliary device for testing photovoltaic cell IV, which is characterized in that: comprising the following steps:

A base (100);

The gas tank (200) is arranged at the lower end of the base (100), and two ends of the gas tank (200) are respectively provided with an air inlet joint (210) and a first air outlet joint (220);

The mounting bracket (300), mounting bracket (300) set up the side of base (100), be provided with second exhaust connector (310) on the circumference lateral wall of mounting bracket (300), the inner chamber of mounting bracket (300) is provided with sweeps trachea (320), sweep trachea (320) with second exhaust connector (310) are connected, the tip of sweeping trachea (320) is provided with sweeps trachea connector (330), the tip of sweeping trachea connector (330) is provided with the ooff valve, the tip of ooff valve is provided with the transportation trachea, the transportation trachea with first exhaust connector (220) are connected.

2. A photovoltaic cell IV test assist device as set forth in claim 1 wherein: the top surface of the base (100) is provided with a base table-board (110), and the top surface of the base table-board (110) is provided with a background board (120);

The four corners of the top surface of the base (100) are provided with telescopic mechanisms (130), the telescopic ends of the telescopic mechanisms (130) are provided with first connecting plates (140), the side walls of the first connecting plates (140) are provided with jigs (150), and the jigs (150) correspond to the background plates (120);

Both sides of the base (100) are provided with first mounting plates (160).

3. A photovoltaic cell IV test assist device as set forth in claim 2 wherein: a compression mechanism (400) is arranged on the side wall of the first mounting plate (160), and the compression mechanism (400) comprises a first bottom plate (410), a compression cylinder (420), a crankshaft (430), a first connecting rod (440), a cross connecting frame (450), a second connecting rod (460) and a first driving rod (470);

The first bottom plate (410) is arranged on the side wall of the first mounting plate (160), a first vertical frame (410 a) and a second vertical frame (410 b) are arranged at one end of the top surface of the first bottom plate (410), the second vertical frame (410 b) is arranged on the side surface of the first vertical frame (410 a), a motor is arranged on the side wall of the second vertical frame (410 b), a third vertical frame (410 c) is arranged at the other end of the top surface of the first bottom plate (410), and the third vertical frame (410 c) corresponds to the first vertical frame (410 a);

The circumference outer side wall of the compression cylinder (420) is provided with a mounting seat (420 a), the mounting seat (420 a) is connected with the first bottom plate (410), and the circumference outer side wall of the compression cylinder (420) is symmetrically provided with air ports (420 b);

The crankshaft (430) is arranged between the first vertical frame (410 a) and the second vertical frame (410 b), and the crankshaft (430) is connected with the motor;

The first connecting rod (440) is connected with the crankshaft (430), and the first connecting rod (440) is arranged outside the compression cylinder (420);

The cross connecting frame (450) is connected with the first connecting rod (440), the cross connecting frame (450) is arranged at the end part of the compression cylinder (420), one end of the cross connecting frame (450) penetrates through the third vertical frame (410 c), and the other end of the cross connecting frame (450) is arranged in the inner cavity of the compression cylinder (420);

the second connecting rod (460) and the inner cavity of the crankshaft (430), the second connecting rod (460) is arranged at the other end of the compression cylinder (420), and the end part of the second connecting rod (460) is inserted into the inner cavity of the compression cylinder (420);

The first driving rod (470) is connected with the crankshaft (430), and the first driving rod (470) is arranged on the inner side of the first mounting plate (160).

4. A photovoltaic cell IV test assist device according to claim 3, wherein: the end of the cross connecting frame (450) is provided with a first piston (450 a), and the first piston (450 a) is arranged in the inner cavity of the compression cylinder (420).

5. A photovoltaic cell IV test assist device as set forth in claim 4 wherein: the end of the second connecting rod (460) is provided with a second piston (460 a), the second piston (460 a) is arranged in the inner cavity of the compression cylinder (420), and the second piston (460 a) and the first piston (450 a) are symmetrically arranged.

6. A photovoltaic cell IV test assist device as set forth in claim 5 wherein: a first driving mechanism (500) is arranged on the side wall of the first mounting plate (160), and the first driving mechanism (500) comprises a second mounting plate (510), an arc-shaped driving block (520), a second driving rod (530), a gear (540), a screw rod (550), a moving block (560) and a first sliding block (570);

The second mounting plate (510) is arranged on the side wall of the first mounting plate (160), a guide rod (510 a) is arranged on the side edge of the second mounting plate (510), and the guide rod (510 a) is connected with the first mounting plate (160);

The arc-shaped driving block (520) is arranged on the side wall of the second mounting plate (510), the arc-shaped driving block (520) is arranged at the upper end of the guide rod (510 a), a sliding groove (520 a) is formed in the side wall of the arc-shaped driving block (520), limiting blocks (520 b) are arranged at two ends of the cambered surface of the arc-shaped driving block (520), an arc-shaped rack (530 c) is arranged on the cambered surface of the arc-shaped driving block (520), and the arc-shaped rack (530 c) is arranged between the two limiting blocks (520 b);

One end of the second driving rod (530) is connected with the sliding groove (520 a), and the other end of the second driving rod (530) is connected with the first driving rod (470);

The gear (540) is arranged on the side surface of the second mounting plate (510), and the gear (540) is meshed with the arc-shaped rack (530 c);

The screw rod (550) is connected with the gear (540), and the screw rod (550) is connected with the first mounting plate (160);

The movable block (560) is arranged on the circumferential outer side wall of the screw rod (550), a guide block (560 a) is arranged on the side wall of the movable block (560), the guide block (560 a) is connected with the guide rod (510 a), an air injection joint (560 b) is arranged on the side wall of the movable block (560), and the air injection joint (560 b) is connected with the second exhaust joint (310);

The first sliding block (570) is arranged on the side face of the second mounting plate (510), and the first sliding block (570) is connected with the first mounting plate (160).

7. A photovoltaic cell IV test assist device as set forth in claim 6 wherein: a second driving mechanism (600) is arranged on the side wall of the first mounting plate (160), and the second driving mechanism (600) comprises a second bottom plate (610), a driven plate (620), a driving plate (630), a limiting plate (640), a limiting shaft (650), a mounting block (660) and a crank (670);

The second bottom plate (610) is arranged on the side ear of the first mounting plate (160);

The driven plate (620) is arranged on the side surface of the second bottom plate (610), a first clamping block (620 a) and a second clamping block (620 b) are annularly arranged at the edge of the side surface of the driven plate (620), and the first clamping block (620 a) and the second clamping block (620 b) are arranged in a staggered mode;

The driving disc (630) is arranged on the side face of the driven disc (620), the driving disc (630) is arranged on the inner side of the first clamping block (620 a), the driving disc (630) is connected with the first driving rod (470), an eccentric driving block (630 a) is arranged at the edge of the side face of the driving disc (630), a first clamping groove (630 b) is formed in the end portion of the eccentric driving block (630 a), the first clamping groove (630 b) corresponds to the first clamping block (620 a), and a cushion block (630 c) is arranged at the top of the eccentric driving block (630 a);

One end of the limiting plate (640) is connected with the cushion block (630 c), and a second clamping groove (640 a) is formed in the other end of the limiting plate (640);

the limiting shaft (650) is arranged at the side edge of the second bottom plate (610), and the limiting shaft (650) is matched with the second clamping groove (640 a);

the mounting block (660) is arranged at the side edge of the second bottom plate (610), the mounting block (660) corresponds to the limiting shaft (650), and a second sliding block (660 a) is arranged at the inner side of the mounting block (660);

One end of the crank (670) is connected with the second sliding block (660 a), and the other end of the crank (670) is connected with the cushion block (630 c).

8. A photovoltaic cell IV test assist device as set forth in claim 7 wherein: the side end of the second slider (660 a) is provided with a connecting shaft (660 a-1), the connecting shaft (660 a-1) is connected with the crank (670), the other end of the second slider (660 a) is provided with a third clamping groove (660 a-2), and the third clamping groove (660 a-2) corresponds to the second clamping block (620 b).

9. A photovoltaic cell IV test assist device as set forth in claim 8 wherein: the top surface of the first sliding block (570) is provided with a translation mechanism (700), the translation mechanism (700) is connected with the second driving mechanism (600), and the translation mechanism (700) comprises a second connecting plate (710) and a fifth mounting plate (720);

A third mounting plate (710 a) is arranged at the end part of the second connecting plate (710), the third mounting plate (710 a) is connected with the first sliding block (570), a fourth mounting plate (710 b) is arranged at the other end part of the second connecting plate (710), the fourth mounting plate (710 b) is contacted with the first mounting plate (160), a third connecting plate (710 b-1) is arranged on the side wall of the fourth mounting plate (710 b), and the third connecting plate (710 b-1) is contacted and connected with the first mounting plate (160);

The fifth mounting plate (720) is arranged at the bottom end part of the second connecting plate (710), and the fifth mounting plate (720) corresponds to the first clamping block (620 a).

10. A photovoltaic cell IV test assist device as set forth in claim 9 wherein: the bottom surface of fifth mounting panel (720) evenly is provided with drive shaft (720 a), drive shaft (720 a) with first fixture block (620 a) crisscross setting.