CN212622987U

CN212622987U - Temperature and current testing mechanism of battery module

Info

Publication number: CN212622987U
Application number: CN202020032645.4U
Authority: CN
Inventors: 杨尚勇
Original assignee: Fujian Super Power New Energy Co ltd; Dongguan Chuanma Automation Equipment Co ltd
Current assignee: Fujian Super Power New Energy Co ltd; Dongguan Chuanma Automation Equipment Co ltd
Priority date: 2020-01-08
Filing date: 2020-01-08
Publication date: 2021-02-26
Anticipated expiration: 2030-01-08

Abstract

The utility model discloses a temperature and current testing mechanism of a battery module, which comprises a temperature testing device and a current testing device which are adjacently arranged; the temperature testing device comprises a rack, at least one temperature measuring component arranged in the middle of the rack, a first driving device arranged on one side of the rack, and a second driving device arranged on the other side of the rack; current testing arrangement includes the mount, installs the drive arrangement in the mount top, and the lift module of being connected with the drive arrangement transmission installs the tight subassembly in the side direction top of mount one side, installs the probe test subassembly in mount one side, the lift module includes two at least lift subassemblies, per two through spliced pole fixed connection between the lift subassembly, the lift subassembly that is close to drive arrangement one side is connected with the drive arrangement transmission, has realized carrying out the test operation of electric current and temperature simultaneously to the battery module of circular telegram, has compact structure, high, the reliable stable advantage of test result of efficiency.

Description

Temperature and current testing mechanism of battery module

Technical Field

The utility model relates to a temperature and current test field of battery module especially relate to a temperature and current test mechanism of battery module.

Background

Nowadays, the country especially pays attention to the protection of ecological environment, and vehicles use the electric energy gradually and eliminate traditional pure petrol, therefore the demand of electric energy is more and more, and the test of electric energy is an important link, and in prior art, there is the not compact, the test efficiency low, the great, the unstable technical problem of test result deviation of test of temperature and current test mechanism of battery module design.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a temperature and current test mechanism of battery module of compact structure, efficiency of software testing height, reliable stable, the operation of being convenient for of test result.

In order to achieve the purpose, the utility model provides a temperature and current testing mechanism of a battery module, which comprises a temperature testing device and a current testing device which are adjacently arranged;

the temperature testing device comprises a rack, at least one temperature measuring component arranged in the middle of the rack, a first driving device arranged on one side of the rack, and a second driving device arranged on the other side of the rack;

the current testing device comprises a fixing frame, a driving device arranged above the fixing frame, a lifting module connected with the driving device in a transmission manner, a lateral jacking assembly arranged on one side of the fixing frame and used for keeping the driving device and the lifting module relatively static, and a probe testing assembly arranged on one side of the fixing frame, wherein the lifting module is used for bearing each lug of the battery module and driving the lug to contact with the probe testing assembly so as to conduct testing, the lifting module comprises at least two lifting assemblies, every two, the lifting assemblies are fixedly connected with each other through a connecting column, and the lifting assembly close to one side of the driving device is in transmission connection with the driving device.

Preferably, the temperature measuring component comprises a first guide rail arranged on one side inside the rack, a second guide rail arranged on the other side inside the rack, a base plate arranged between the first guide rail and the second guide rail and used for placing the battery module, a pressing plate arranged above the base plate and pressed with the base plate, at least one temperature sensor arranged on the pressing plate and fixedly connected with the temperature sensor, a first switching block and a second switching block arranged on one side of the pressing plate and fixedly connected with one side of the pressing plate respectively, a third switching block and a fourth switching block arranged on the other side of the pressing plate and fixedly connected with the other side of the pressing plate respectively, the base plate is connected with the first guide rail and the second guide rail in a sliding manner respectively, the first switching block and the second switching block are in transmission connection with the first driving device respectively, and the third switching block and the fourth switching block are in transmission connection with.

Preferably, the first driving device/the second driving device comprises a driving cylinder fixedly connected with one side of the frame, an optical axis fixing seat in transmission connection with the driving cylinder, a first optical axis fixedly connected with one side of the optical axis fixing seat, a second optical axis fixedly connected with the other side of the optical axis fixing seat, a first linear bearing and a second linear bearing fixedly connected with one side of the frame, the first optical axis is connected with the first linear bearing in a sliding way, the second optical axis is connected with the second linear bearing in a sliding way, the first transfer block is fixedly connected with a first optical axis on the first driving device, the second transfer block is fixedly connected with a second optical axis on the first driving device, the third transfer block is fixedly connected with a first optical axis on the second driving device, and the fourth transfer block is fixedly connected with a second optical axis on the second driving device.

Preferably, the temperature testing device further comprises a first blocking assembly arranged on one side of the machine frame and used for preventing the base plate from sliding out of the first guide rail/the second guide rail, and a second blocking assembly arranged on the other side of the machine frame and used for preventing the base plate from sliding out of the first guide rail/the second guide rail;

the first blocking assembly/the second blocking assembly comprises a first rotating shaft, a second rotating shaft and a third rotating shaft which are fixedly connected with one side of the rack respectively, a first rotating block rotatably connected with the first rotating shaft, a second rotating block rotatably connected with the second rotating shaft, a third rotating block rotatably connected with the third rotating shaft, a stop block hinged with one end of the first rotating block, one end of the second rotating block and one end of the third rotating block respectively, and a driving handle fixedly connected with one side of the second rotating block.

Preferably, probe test assembly is including installing the fixed plate at fixed mount one side fixed connection, installs the first probe mount pad at fixed plate upper end fixed connection, installs the second probe mount pad at fixed plate lower extreme fixed connection, installs between first probe mount pad and second probe mount pad and fixed plate fixed connection's at least one series connection subassembly, the series connection subassembly is used for establishing ties into an organic whole with the utmost point ear of each battery in the battery module and switches on the connection, the series connection subassembly include with fixed plate fixed connection's adapter, install adapter one side fixed connection's third probe mount pad, install the fourth probe mount pad at adapter opposite side fixed connection, install a plurality of probes on first probe mount pad, second probe mount pad, third probe mount pad and the fourth probe mount pad respectively.

Preferably, the lifting assembly comprises a mounting plate in transmission connection with the driving device, a lug base plate fixedly connected below the mounting plate, a lug guide block fixedly connected on one side of the lug base plate, guide columns fixedly connected on two sides of the mounting plate respectively, and a linear bearing slidably connected on the guide columns in a sleeved mode, wherein the linear bearing is fixedly connected with the fixing frame.

Preferably, the driving device comprises a second cylinder and a third cylinder which are fixedly connected with each other and arranged above the fixing frame, and a cylinder adapter plate which is in transmission connection with the second cylinder and the third cylinder respectively, wherein the cylinder adapter plate is fixedly connected with the mounting plate through a stand column.

Preferably, the lateral tightening assembly comprises a first cylinder fixedly connected to the fixed frame, a jacking block in transmission connection with the first cylinder, and a fixed column fixedly connected to the driving device.

Preferably, the lifting module comprises six lifting components, five series components fixedly connected with the fixing plate are arranged between the first probe mounting seat and the second probe mounting seat, and the temperature testing device comprises six temperature measuring components arranged in the middle of the rack.

Preferably, the mount includes the bottom plate, installs the first riser at bottom plate one side fixed connection, installs the second riser at bottom plate opposite side fixed connection, install the top of first riser and second riser respectively with first riser and second riser fixed connection's roof, install between first riser and second riser respectively with first riser and second riser fixed connection's five diaphragms, drive arrangement installs on the roof, the dress of sharp bearing is established in the both sides and the diaphragm fixed connection of diaphragm.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model is provided with a temperature testing device and a current testing device, can simultaneously test the current and the temperature of the electrified battery module, and has the advantages of compact structure and small occupied space;

the temperature testing device comprises a rack, at least one temperature measuring component arranged in the middle of the rack, a first driving device arranged on one side of the rack, and a second driving device arranged on the other side of the rack, wherein the battery module is placed into the temperature measuring component through a manual or mechanical arm, and then the first driving device and the second driving device drive the temperature measuring component to carry out temperature testing operation on the battery module, so that the temperature testing device has the advantages of convenience in operation, high testing efficiency and reliable and stable testing result;

the current testing device is provided with a fixing frame, a driving device arranged above the fixing frame, a lifting module in transmission connection with the driving device, a lateral jacking assembly arranged on one side of the fixing frame and a probe testing assembly arranged on one side of the fixing frame, wherein the lifting module is used for bearing each lug of the battery module; secondly, the lateral jacking assembly can ensure that the lifting module and the driving device are relatively static in the test operation process, the phenomenon that the lifting module shakes up and down due to insufficient driving force of the driving device is avoided, the probes of the probe test assembly are ensured to be in good contact with lugs on the lifting module all the time, and the reliability and accuracy of test results are ensured; in addition, the lifting module comprises at least two lifting components, every two lifting components are fixedly connected through a connecting column, the lifting components close to one side of the driving device are connected with the driving device in a transmission mode, the plurality of lifting components can be combined into a whole through the connecting column, and when the multi-group battery module is tested simultaneously, the whole mechanism is more compact and reasonable, and the operation is more stable and reliable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a temperature and current testing mechanism of a battery module according to the present invention;

fig. 2 is a schematic structural diagram of a temperature measuring device according to the present invention;

fig. 3 is a schematic structural diagram ii of the temperature measuring device provided by the present invention;

fig. 4 is a schematic structural view of the backing plate of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 2 at A;

FIG. 6 is an enlarged view of a portion of FIG. 2 at B;

fig. 7 is a schematic structural diagram of a current testing device provided by the present invention;

fig. 8 is an exploded view of a current testing device provided by the present invention;

fig. 9 is a schematic structural diagram of a probe provided by the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-5, the utility model provides a temperature and current test mechanism of battery module, temperature testing arrangement 1 and current testing arrangement 2 including adjacent setting, temperature testing arrangement 1 includes frame 11, installs at least one temperature measurement component 12 at frame 11 middle part, installs the first drive arrangement 13 in frame 11 one side, installs the second drive arrangement 14 in frame 11 opposite side.

As shown in fig. 2 and 3, the temperature measuring assembly 12 includes a first guide rail 121 fixedly connected to one side of the inside of the frame 11, a second guide rail 122 fixedly connected to the other side of the inside of the frame 11, a base plate 123 installed between the first guide rail 121 and the second guide rail 122 for placing the battery module, a pressing plate 124 installed above the base plate 123 and pressed with the base plate 123, at least one temperature sensor 125 fixedly connected to the pressing plate 124, a first transfer block 126 and a second transfer block 127 fixedly connected to one side of the pressing plate 124, a third transfer block 128 and a fourth transfer block 129 fixedly connected to the other side of the pressing plate 124, the backing plate 123 is slidably connected with the first guide rail 121 and the second guide rail 122, the first transfer block 126 and the second transfer block 127 are in transmission connection with the first driving device 13, the third transfer block 128 and the fourth transfer block 129 are in transmission connection with the second drive device 14.

Specifically, the first guide rail 121 and the second guide rail 122 are arranged, so that the base plate 123 slides more smoothly on the rack 11, the first driving device 13 drives one side of the pressing plate 124, the second driving device 14 drives the other side of the pressing plate 124, so that the pressing plate 124 with a larger span can be better pressed with the base plate 123, wherein the six temperature measuring assemblies 12 are arranged in the middle of the rack 11, the testing efficiency of the battery module is improved, the automatic production operation matched with other stations of the battery module is facilitated, the upper end surface of the pressing plate 124 is a wave-shaped heat dissipation surface, and the temperature on the battery module can be transmitted to the outside air through the pressing plate 124, so that the contact area between the pressing plate 124 and the outside air can be increased due to the wave-shaped design of the end surface, the heat dissipation efficiency of the battery module is improved, and the reliability and stability of the temperature testing operation of the battery module are, in addition, the four temperature sensors 125 are fixedly connected to the pressing plate 124, so that the temperature sensors 125 can measure the temperature of four local positions of the battery module at the same time, when the readings of the four temperature sensors 125 are the same, it is indicated that the battery module is heated uniformly, the temperature value is the test result of the battery module, and the accuracy of the test result of the battery module is ensured by the design of the four temperature sensors 125.

More specifically, as shown in fig. 2 to 4, the temperature measuring assembly 12 further includes a first limiting plate 1231, a second limiting plate 1232, a third limiting plate 1233, a fourth limiting plate 1234, a fifth limiting plate 1235, and a sixth limiting plate 1236, which are respectively and fixedly connected to the outer side of the backing plate 123, and the limiting plates are all fixedly connected to the backing plate 123 through waist-shaped holes, so as to ensure a good limiting function for the battery module, prevent the battery module from moving relative to the rack 11 during the temperature testing operation, further ensure the stability of the temperature testing, the backing plate 123 is further provided with a first notch 1237 and a second notch 1238 for reducing weight, and through the weight reduction design, the load of the first guide rail 121 and the second guide rail 122 is reduced, the size of the temperature testing mechanism is reduced, the cost is reduced, the stability of the testing process is also ensured, the temperature measuring assembly 12 further includes a pull handle 1239 arranged at one side of the backing plate 123, through the design of the handle 1239, the backing plate 123 can be conveniently and manually drawn back and forth along the first guide rail 121 and the second guide rail 122, and the handle has the advantage of being convenient for manual operation.

As shown in fig. 2-5, the first driving device 13/the second driving device 14 includes a driving cylinder 131 fixedly connected to one side of the frame 11, an optical axis fixing base 132 in transmission connection with the driving cylinder 131, a first optical axis 133 fixedly connected to one side of the optical axis fixing base 132, a second optical axis 134 fixedly connected to the other side of the optical axis fixing base 132, a first linear bearing 135 and a second linear bearing 136 fixedly connected to one side of the frame 11, the first optical axis 133 being slidably connected to the first linear bearing 135, the second optical axis 134 being slidably connected to the second linear bearing 136, the first transfer block 126 being fixedly connected to the first optical axis 133 on the first driving device 13, the second transfer block 127 being fixedly connected to the second optical axis 134 on the first driving device 13, the third transfer block 128 being fixedly connected to the first optical axis 133 on the second driving device 14, the fourth transfer block 129 is fixedly connected with a second optical axis 134 on the second driving device 14, and the first driving device 13/the second driving device 14 can drive the plurality of pressing plates 124 simultaneously through the design of the first optical axis 133 and the second optical axis 134, so that the mechanism can be compatible with a plurality of temperature measuring assemblies 12, the structure is more compact, and the testing efficiency is higher.

As shown in fig. 5, a first adapter ring 137 fixedly connected is sleeved on the first optical axis 133, the first adapter block 126 is fixedly connected to the first adapter ring 137 on the first driving device 13, the third adapter block 128 is fixedly connected to the first adapter ring 137 on the second driving device 14, a second adapter ring 138 fixedly connected is sleeved on the second optical axis 134, the second adapter block 127 is fixedly connected to the second adapter ring 138 on the first driving device 13, the fourth adapter block 129 is fixedly connected to the second adapter ring 138 on the second driving device 14, and the fixing manner between the pressing plate 124 and the first optical axis 133/the second optical axis 134 is simpler and more reliable through the arrangement of the first adapter ring 137 and the second adapter ring 138, thereby simplifying the assembling process and the processing process.

As shown in fig. 6, the device further comprises a first blocking assembly 15 mounted on one side of the frame 11 for preventing the pad plate 123 from sliding out of the first/second guide rails 121/122, and a second blocking assembly 16 mounted on the other side of the frame 11 for preventing the pad plate 123 from sliding out of the first/second guide rails 121/122.

The first blocking assembly 15/the second blocking assembly 16 includes a first rotating shaft 151, a second rotating shaft 152 and a third rotating shaft 153 fixedly connected to one side of the frame 11, respectively, a first rotating block 154 rotatably connected to the first rotating shaft 151, a second rotating block 155 rotatably connected to the second rotating shaft 152, a third rotating block 156 rotatably connected to the third rotating shaft 153, a stopper 157 hinged to one end of the first rotating block 154, the second rotating block 155 and the third rotating block 156, respectively, and a driving handle 158 fixedly connected to one side of the second rotating block 155, wherein when the driving handle 158 is manually held to drive the second rotating block 155 to rotate around the second rotating shaft 152, the first rotating block 154 rotates around the first rotating shaft 151, and the third rotating block 156 rotates around the third rotating shaft 153, so as to drive the stopper 157 to extend out of the frame 11 and block the pad plates 123 on the six temperature measuring assemblies 12, therefore, the function of preventing the backing plate 123 from sliding out of the first guide rail 121/the second guide rail 122 is realized, the stability of temperature test operation and more accurate test data are ensured, and the device has the advantage of convenience in operation.

During operation, a battery module is placed on the base plate 123 of the temperature measuring component by a manual or mechanical hand, the base plate 123 slides into a temperature testing station along the first guide rail 121 and the second guide rail 122, the driving handle 158 is manually held to drive the stop block 157 to stop the base plates 123 on the six temperature measuring components 12, at this time, the driving cylinders 131 on the first driving device 13 and the second driving device 14 simultaneously drive the pressing plates 124 on the plurality of temperature measuring components 12 to perform mutual pressing movement with the base plates 123, so that the four temperature sensors 125 on the pressing plates 124 are respectively contacted with the battery module on the base plate 123, when the readings of the four temperature sensors 125 are the same, it is indicated that the battery module is uniformly heated, the temperature value is the testing result of the battery module, the accuracy of the testing result of the battery module is ensured by the design of the four temperature sensors 125, and the function of performing temperature testing on the battery module is realized, the device has the advantages of compact structure, high testing efficiency, reliable and stable testing result and convenient operation.

As shown in fig. 7 and 8, the current testing device 2 includes a fixing frame 21, a driving device 22 installed above the fixing frame 21, a lifting module 23 in transmission connection with the driving device 22, a lateral tightening assembly 24 installed at one side of the fixing frame 21 for keeping the driving device 22 and the lifting module 23 relatively stationary, and a probe testing assembly 25 installed at one side of the fixing frame 21, wherein the lifting module 23 is used for bearing each tab of the battery module and driving the tab to contact with the probe testing assembly 25 for conduction testing, the lifting module 23 includes at least two lifting assemblies 231, every two lifting assemblies 231 are fixedly connected through a connecting column 26, and the lifting assembly 231 near one side of the driving device 22 is in transmission connection with the driving device 22.

Wherein lift module 23 is used for bearing each utmost point ear of battery module, and drive arrangement 22 can drive the battery utmost point ear on the lift module 23 and contact with the probe of probe test assembly 25 to carry out the conduction test operation, through the test mode that probe test assembly 25 is fixed, battery module utmost point ear motion, can test simultaneously a plurality of test objects more steadily, equipment focus unstable technical problem when avoiding a plurality of probes to do reciprocating motion.

Secondly, the lateral jacking assembly 24 can ensure that the lifting module 23 and the fixing frame 21 are kept relatively static in the testing operation process, thereby avoiding the occurrence of the phenomenon that the lifting module 23 shakes up and down due to insufficient driving force of the driving device 22, ensuring that the probes on the probe testing assembly 25 and the battery tabs on the lifting module 23 are always in good contact, and ensuring the reliability and accuracy of the testing result.

In addition, lifting module 23 includes two at least elevating system 231, per two through spliced pole 26 fixed connection between the elevating system, can make up a plurality of elevating system 231 as an organic whole through spliced pole 26, when testing simultaneously to the multiunit battery module, make whole mechanism compacter reasonable, improve the efficiency of software testing of battery module, during the operation more reliable and more stable, this lifting module 23 includes six elevating system 231 in this embodiment, consequently can establish ties six batteries and carry out the current test operation simultaneously.

The fixing frame 21 comprises a bottom plate 211, a first vertical plate 212 fixedly connected with one side of the bottom plate 211, a second vertical plate 213 fixedly connected with the other side of the bottom plate 211, a top plate 214 respectively fixedly connected with the first vertical plate 212 and the second vertical plate 213 and arranged at the top ends of the first vertical plate 212 and the second vertical plate 213, and five transverse plates 215 respectively fixedly connected with the first vertical plate 212 and the second vertical plate 213 and arranged between the first vertical plate 212 and the second vertical plate 213, the driving device 22 is arranged on the top plate 214, the fixing frame 21 is formed by splicing the plates, and the fixing frame has the advantages of low processing cost, compact and reasonable installation space and capability of ensuring the stability of equipment operation.

The probe test assembly 25 includes a fixing plate 251 fixedly connected to one side of the fixing frame 21, a first probe mounting seat 252 fixedly connected to the upper end of the fixing plate 251, a second probe mounting seat 255 fixedly connected to the lower end of the fixing plate 251, at least one series assembly 253 fixedly connected to the fixing plate 251 and disposed between the first probe mounting seat 252 and the second probe mounting seat 255, the series assembly 253 for serially connecting the tabs of each battery in the battery module to form a conductive connection, the series assembly 253 includes a switch seat 2531 fixedly connected to the fixing plate 251, a third probe mounting seat 2532 fixedly connected to one side of the switch seat 2531, a fourth probe mounting seat 2533 fixedly connected to the other side of the switch seat 2531, a plurality of probes are respectively disposed on the first probe mounting seat 252, the second probe mounting seat 255, the third probe mounting seat 2532 and the fourth probe mounting seat 2533, specifically, one end of the fixing plate 251 is fixedly connected to the bottom plate 211, and the other end is fixedly connected to the top plate 214.

The series module 253 can connect a plurality of battery modules in series, can test a large current, and has the advantages of small occupied space and stable and reliable test, in the embodiment, five series modules 253 fixedly connected with the fixing plate 251 are arranged between the first probe mounting seat 252 and the second probe mounting seat 255, so that the embodiment can simultaneously test the current of the module formed by connecting six batteries in series, wherein six probes 254 are respectively arranged on the first probe mounting seat 252, the second probe mounting seat 255, the third probe mounting seat 2532 and the fourth probe mounting seat 2533, as shown in fig. 9, the probes 254 are ten-contact resilience gold-plated probes, the gold-plated process can reduce errors of current test results, the contact area between the probes and the battery tabs can be increased due to the design that the ten-contact points of the probes and the six probes 254 corresponding to each tab can be increased, and the resilience probes can ensure that the tabs and the probes 254 can be well contacted with the battery tabs respectively The phenomenon of poor contact between part of the probes 254 and the tabs caused by machining errors or assembly errors of parts is avoided, and the accuracy of a test result is ensured.

The lifting assembly 231 comprises a mounting plate 2313 in transmission connection with the driving device 22, a tab backing plate 2314 fixedly connected below the mounting plate 2313, a tab guide block 2315 fixedly connected to one side of the tab backing plate 2314, guide posts 2316 fixedly connected to two sides of the mounting plate 2313 respectively, and linear bearings 2317 sleeved on the guide posts 2316 in sliding connection, wherein the linear bearings 2317 are arranged on two sides of the transverse plate 215 and fixedly connected with the transverse plate 215, and the lifting assembly 231 can move up and down more smoothly relative to the fixing frame 21 by matching the guide posts 2316 with the linear bearings 2317.

The driving device 22 comprises a second cylinder 221 and a third cylinder 222 which are fixedly connected above the top plate 214, and a cylinder adapter plate 223 which is in transmission connection with the second cylinder 221 and the third cylinder 222 respectively, the cylinder adapter plate 223 is fixedly connected with a mounting plate 2313 through a vertical column 224, and the driving force is satisfied, and meanwhile, the volume or the occupied space of the equipment can be reduced as much as possible, the driving force can be dispersed to two sides, the stability of operation is ensured, the technical problem that a guide column 2316 and a linear bearing 2317 are blocked due to too concentrated driving force when a single cylinder is driven in the middle is solved, in addition, the cylinder adapter plate 223 is fixedly connected with the mounting plate 2313 through the vertical column 224, and the design can avoid the phenomenon that the lifting assembly 231 does not interfere with the probe 254 when the lifting assembly 231 is driven to move up and down by the driving device 22, the connecting structure has the advantages of simple assembly process, reliable connection and low processing cost.

Tight subassembly 24 is pushed up in side direction is including installing first cylinder 241 of fixed connection on second riser 213, kicking block 242 with first cylinder 241 transmission connection, install fixed connection's fixed column 243 on drive arrangement 22, it is concrete, this fixed column 243 is the screw, and lock and fix on cylinder keysets 223, push up tightly fixed column 243 through first cylinder 241 drive kicking block 242, can realize that drive arrangement 22 and lifting module 23 keep the state of relatively fixed, avoid second cylinder 221 and third cylinder 222 to drive power not enough and lead to the emergence of utmost point ear and the bad phenomenon of probe contact on the lifting module 23, the reliability of current test has been guaranteed.

Specifically, the tab of the external battery slides into the tab backing plate 2314 by using the tab guide block 2315 as a guide, the driving device 22 drives the tab backing plate 2314 to slide upwards by using the guide post 2316 as a guide, so that the battery tab is in contact with the probe 254, the first cylinder 241 drives the ejector block 242 to tightly eject the fixing post 243, the driving device 22 and the lifting module 23 can be kept in a relatively fixed state, the phenomenon that the contact between the tab on the lifting module 23 and the probe is poor due to insufficient driving force of the second cylinder 221 and the third cylinder 222 is avoided, after a period of testing, the driving device 22 drives the tab backing plate 2314 to slide downwards by using the guide post 2316 as a guide, so that the battery tab is separated from the probe 254, and the complete current testing operation of the battery module is realized.

To sum up, the utility model discloses can detect the heavy current and the temperature of battery module simultaneously, have compact structure, efficiency of software testing is high, the reliable stable advantage of test result.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A temperature and current testing mechanism of a battery module is characterized by comprising a temperature testing device (1) and a current testing device (2) which are adjacently arranged;

the temperature testing device (1) comprises a frame (11), at least one temperature measuring component (12) arranged in the middle of the frame (11), a first driving device (13) arranged on one side of the frame (11), and a second driving device (14) arranged on the other side of the frame (11);

the current testing device (2) comprises a fixed frame (21) and a driving device (22) arranged above the fixed frame (21), a lifting module (23) in transmission connection with the driving device (22), a lateral jacking component (24) arranged at one side of the fixed frame (21) and used for keeping the driving device (22) and the lifting module (23) relatively static, a probe testing component (25) arranged at one side of the fixed frame (21), the lifting module (23) is used for bearing each pole lug of the battery module and driving the pole lug to contact with the probe test component (25) so as to carry out conduction test, the lifting module (23) comprises at least two lifting components (231), every two lifting components (231) are fixedly connected through a connecting column (26), and the lifting components (231) close to one side of the driving device (22) are in transmission connection with the driving device (22).

2. The temperature and current testing mechanism of a battery module according to claim 1, wherein the temperature measuring assembly (12) comprises a first guide rail (121) installed at one side inside the frame (11), a second guide rail (122) installed at the other side inside the frame (11), a pad (123) installed between the first guide rail (121) and the second guide rail (122) for placing the battery module, a pressing plate (124) installed above the pad (123) and pressed with the pad (123), at least one temperature sensor (125) installed on the pressing plate (124) and fixedly connected thereto, a first transfer block (126) and a second transfer block (127) installed at one side of the pressing plate (124) and fixedly connected thereto, a third transfer block (128) and a fourth transfer block (129) installed at the other side of the pressing plate (124) and fixedly connected thereto, the pad (123) being slidably connected to the first guide rail (121) and the second guide rail (122) respectively, the first transfer block (126) and the second transfer block (127) are in transmission connection with a first driving device (13) respectively, and the third transfer block (128) and the fourth transfer block (129) are in transmission connection with a second driving device (14) respectively.

3. The temperature and current testing mechanism of a battery module as claimed in claim 2, wherein the first driving device (13)/the second driving device (14) comprises a driving cylinder (131) fixedly connected to one side of the frame (11), an optical axis fixing base (132) in transmission connection with the driving cylinder (131), a first optical axis (133) fixedly connected to one side of the optical axis fixing base (132), a second optical axis (134) fixedly connected to the other side of the optical axis fixing base (132), a first linear bearing (135) and a second linear bearing (136) fixedly connected to one side of the frame (11), the first optical axis (133) is slidably connected to the first linear bearing (135), the second optical axis (134) is slidably connected to the second linear bearing (136), and the first transfer block (126) is fixedly connected to the first optical axis (133) of the first driving device (13), the second transfer block (127) is fixedly connected with a second optical axis (134) on the first driving device (13), the third transfer block (128) is fixedly connected with a first optical axis (133) on the second driving device (14), and the fourth transfer block (129) is fixedly connected with the second optical axis (134) on the second driving device (14).

4. The temperature and current testing mechanism of a battery module according to claim 2, wherein the temperature testing device (1) further comprises a first blocking assembly (15) installed at one side of the frame (11) for preventing the pad (123) from slipping out of the first guide rail (121)/the second guide rail (122), and a second blocking assembly (16) installed at the other side of the frame (11) for preventing the pad (123) from slipping out of the first guide rail (121)/the second guide rail (122);

the first blocking assembly (15)/the second blocking assembly (16) comprises a first rotating shaft (151), a second rotating shaft (152) and a third rotating shaft (153) which are respectively arranged on one side of the rack (11) and fixedly connected, a first rotating block (154) rotatably connected with the first rotating shaft (151), a second rotating block (155) rotatably connected with the second rotating shaft (152), a third rotating block (156) rotatably connected with the third rotating shaft (153), a stop block (157) hinged with one end of the first rotating block (154), one end of the second rotating block (155) and one end of the third rotating block (156) respectively, and a driving handle (158) fixedly connected with one side of the second rotating block (155).

5. The temperature and current testing mechanism of a battery module according to claim 1, wherein the probe test assembly (25) comprises a fixing plate (251) fixedly connected to one side of the fixing frame (21), a first probe mounting seat (252) fixedly connected to an upper end of the fixing plate (251), a second probe mounting seat (255) fixedly connected to a lower end of the fixing plate (251), at least one series assembly (253) fixedly connected to the fixing plate (251) and disposed between the first probe mounting seat (252) and the second probe mounting seat (255), the series assembly (253) is used for integrally connecting the tabs of each battery in the battery module in series, the series assembly (253) comprises an adapter (2531) fixedly connected to the fixing plate (251), and a third probe mounting seat (2532) fixedly connected to one side of the adapter (2531), install fourth probe mount pad (2533) of adapter (2531) opposite side fixed connection, install a plurality of probes (254) on first probe mount pad (252), second probe mount pad (255), third probe mount pad (2532) and fourth probe mount pad (2533) respectively.

6. The mechanism for testing the temperature and the current of a battery module according to claim 1, wherein the lifting assembly (231) comprises a mounting plate (2313) in transmission connection with the driving device (22), a tab backing plate (2314) fixedly connected below the mounting plate (2313), a tab guide block (2315) fixedly connected to one side of the tab backing plate (2314), guide posts (2316) fixedly connected to two sides of the mounting plate (2313) respectively, and a linear bearing (2317) slidably connected to the guide posts (2316) in a sleeved manner, wherein the linear bearing (2317) is fixedly connected with the fixing frame (21).

7. The mechanism for testing the temperature and the current of the battery module according to claim 6, wherein the driving device (22) comprises a second cylinder (221) and a third cylinder (222) which are fixedly connected above the fixing frame (21), and a cylinder adapter plate (223) which is in transmission connection with the second cylinder (221) and the third cylinder (222), respectively, wherein the cylinder adapter plate (223) is fixedly connected with the mounting plate (2313) through a column (224).

8. The temperature and current testing mechanism of a battery module as claimed in claim 1, wherein the lateral tightening assembly (24) comprises a first cylinder (241) fixedly connected to the fixing frame (21), a top block (242) in transmission connection with the first cylinder (241), and a fixing post (243) fixedly connected to the driving device (22).

9. The mechanism for testing the temperature and the current of the battery module according to claim 5, wherein the lifting module (23) comprises six lifting assemblies (231), five series-connected assemblies (253) fixedly connected with the fixing plate (251) are arranged between the first probe mounting seat (252) and the second probe mounting seat (255), and the temperature testing device (1) comprises six temperature measuring assemblies (12) arranged in the middle of the rack (11).

10. The mechanism as claimed in claim 6, wherein the fixing frame (21) includes a bottom plate (211), a first vertical plate (212) fixedly connected to one side of the bottom plate (211), a second vertical plate (213) fixedly connected to the other side of the bottom plate (211), a top plate (214) fixedly connected to the first vertical plate (212) and the second vertical plate (213) at the top ends of the first vertical plate (212) and the second vertical plate (213), and five horizontal plates (215) fixedly connected to the first vertical plate (212) and the second vertical plate (213) between the first vertical plate (212) and the second vertical plate (213), the driving device (22) is mounted on the top plate (214), and the linear bearings (2317) are mounted on both sides of the horizontal plates (215) and fixedly connected to the horizontal plates (215).