CN115754786B - Power battery multiplying power temperature rise testing method and testing device thereof - Google Patents
Power battery multiplying power temperature rise testing method and testing device thereof Download PDFInfo
- Publication number
- CN115754786B CN115754786B CN202211457577.6A CN202211457577A CN115754786B CN 115754786 B CN115754786 B CN 115754786B CN 202211457577 A CN202211457577 A CN 202211457577A CN 115754786 B CN115754786 B CN 115754786B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- lamp
- base
- power battery
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Secondary Cells (AREA)
Abstract
The invention relates to the technical field of power battery testing, in particular to a power battery multiplying power temperature rise testing method and a testing device thereof. The invention directly distinguishes the difference of the heat productivity between the battery positioned in the middle of the power battery pack and the battery positioned at the edge of the power battery pack through the brightness of each lamp tube, is quite convenient and quick, the more the heat productivity of the battery is, the higher the brightness of the lamp tube is, the lower the brightness of the lamp tube is, the relationship between a single battery and the power battery pack can be intuitively fed back, the analysis is convenient for technicians, and meanwhile, the light emitted by the lamp tube is more sensitive after being refracted by the transparent resin plate, so that the brightness change of the lamp tube can be observed more clearly.
Description
Technical Field
The invention relates to the field of power battery testing, in particular to a power battery multiplying power temperature rise testing method and a testing device thereof.
Background
The power battery is often a battery pack formed by a plurality of batteries as a power source of the new energy automobile, an effective power source is provided for the automobile by installing the battery pack at the bottom of the new energy automobile, and when the power battery pack is produced, the multiplying power temperature rise of the battery is often required to be tested.
For example: the application number is: 202122875480.4 discloses a power battery testing device, which comprises a frame, wherein a battery mounting plate is arranged on the frame, and an XY axis displacement mechanism is arranged below the battery mounting plate. The method has the advantages of shortening the test time and rapidly detecting.
However, the test device in "202122875480.4" cannot perform effective detection on the power battery pack, and cannot intuitively feed back the heating relation between the battery unit in the power battery pack and the whole battery pack, so that the heating values of the single battery and the whole power battery pack cannot be effectively and intuitively compared in the detection process, and secondly, the components adopted in the detection of the power battery are often electronic components, and a large amount of time is consumed for investigation when the electronic components are damaged, so that the detection rate is reduced.
Disclosure of Invention
The invention aims to provide a power battery multiplying power temperature rise testing method and a testing device thereof, which are used for solving the problems in the background technology.
The aim of the invention can be achieved by the following technical scheme:
the power battery multiplying power temperature rise testing method is realized by a testing device and comprises the following steps:
step one: hoisting the power battery pack right above the base through a preset navigation crane in a detection workshop, then slowly controlling the battery pack to descend, enabling batteries in the battery pack to be in one-to-one corresponding butt joint with the thermistor, and then controlling the power battery pack to discharge;
step two: the heat generated by the discharge of the battery is conducted to the thermistor, so that the resistance of the thermistor is reduced, the power supply is used for electrifying the lamp tube, the lamp tube emits light, and the power battery pack is detected through the brightness of the lamp tube;
step three: after the detection is finished, the power battery pack is lifted by the aerial crane, the power battery pack leaves the thermistor, the water pump and the electric sliding block are controlled to work by the pressure switch, and the transparent resin plate is subjected to cleaning and cooling.
The utility model provides a power battery multiplying power temperature rise testing arrangement, includes the base, the standing groove that is used for placing power battery group is offered at the top of base, sliding mounting has a plurality of supports that are used for placing single battery in the standing groove, be provided with the thermistor that is used for measuring battery temperature in the support, electric connection has fluorescent tube and power respectively at thermistor's both ends, the one end fixedly connected with of base is used for feeding back the lamp plate of testing result, a plurality of thermistor electric connection's fluorescent tube all sets up in the lamp plate, the top slidable mounting of lamp plate has the brush that is used for the cleanness, one side fixedly connected with transparent resin board of base is kept away from to the lamp plate, brush and transparent resin board butt, the side middle section department of base is provided with the collecting plate that is used for connecing to draw alcohol, collecting plate and lamp plate adaptation.
Preferably, the one end top fixedly connected with alcohol case of base, rectangular groove has been seted up at the other end top of base, and rectangular groove's bottom fixedly connected with pressure switch, the equal fixedly connected with extension board in both sides of alcohol case, the extension board is kept away from pressure switch's one end towards alcohol case, one side fixedly connected with traveller that two extension boards are opposite each other, sliding connection has electric slider on the traveller, electric slider's bottom fixedly connected with water pump, water pump and electric slider all with pressure switch electric connection.
Preferably, the base is kept away from the one end bottom fixedly connected with diaphragm of pressure switch, the equal fixedly connected with connecting rod in top both sides of diaphragm, two connecting rods are fixedly connected with respectively in the bottom both sides of lamp plate, the top sliding connection of lamp plate has the scraper blade of "U" font, brush fixed connection is kept away from on the one end inner wall of base at the scraper blade, the top of brush and the output intercommunication of water pump, water pump fixed connection is at the top of scraper blade, the input intercommunication of water pump has the transfer line, the transfer line is kept away from the one end of water pump and is located the bottom one side of alcohol case intercommunication and the two intercommunication department of alcohol case, the top one end of alcohol case is provided with the embolism that is used for adding alcohol.
Preferably, the inner wall of scraper blade and the outer wall butt of lamp plate, a plurality of lamp slots have been seted up to one side that the base was kept away from to the lamp plate, all be provided with the fluorescent tube in a plurality of lamp slots, transparent resin board fixed connection is kept away from one side of base at the lamp slot, brush and transparent resin board butt, the bottom fixedly connected with of lamp plate meets the guide plate, the guide slot has been seted up to one side that the guide plate is close to the base, the equal fixedly connected with set square in both sides of guide slot, set square fixed connection is in the top one end of collecting plate, the cross-section of collecting plate is the annular water conservancy diversion cotton of "L" font and the interior bottom fixedly connected with rectangle of collecting plate.
Preferably, the second spout has been seted up along vertical in the both ends inner wall middle section department of base, first spout has been seted up along horizontal in both sides inner wall middle section department of base, sliding connection has a plurality of horizontal sliders in first spout, sliding connection has a plurality of vertical skateboards in the second spout, one side fixedly connected with connecting rod that two horizontal sliders of same row are opposite each other, a plurality of connecting rods are perpendicular with a plurality of vertical skateboards different sides, the bottom fixedly connected with driving plate of support, a plurality of driving plates are the rectangle in the standing groove and arrange, a plurality of driving plates of same row cup joint on the connecting rod along horizontal slip, a plurality of driving plates of same row cup joint on vertical skateboards along vertical slip, one side that two adjacent driving plates of same row are opposite each other is provided with horizontal telescopic link, one side that two adjacent driving plates are opposite each other is provided with vertical telescopic link.
Preferably, the base is close to one end one side fixedly connected with of alcohol case and charges the head, the support fixed connection that is close to one side of charging the head is on the inner wall of base, the inside power that sets up of support of fixed connection on the base and the head electric connection that charges, be provided with second slot and second plug respectively along vertically between two adjacent supports, the second slot sets up in the support one side that is close to the alcohol case, the second plug sets up in the support one side of keeping away from the alcohol case, be provided with first slot and first plug respectively along transversely between two adjacent supports, first plug sets up in the support one side of being close to the charging the head, first slot sets up in the support one side of keeping away from the charging the head.
Preferably, the second plug is movably inserted into the second slot, the first plug is movably inserted into the first slot, the second slot is electrically connected with the power supply through a charging wire, the first plug, the first slot, the second plug and the second slot on the same support are electrically connected with the power supply arranged inside the support, the power supplies inside the plurality of supports are connected in series with the first slot through the first plug and connected in series with the second slot through the second plug, and the plurality of power supplies are all charged through the charging head.
Preferably, the mounting groove has been seted up to the inside of support, and power fixed connection is in bottom one side in the mounting groove, and bottom opposite side fixedly connected with loop wheel machine in the power, and the charging wire runs through loop wheel machine and second slot electric connection, and thermistor fixed connection is at the top of power and loop wheel machine, and the thermistor that sets up on same support and the inside power electric connection of this support, and thermistor keeps away from the one end electric connection of power has vertical wire.
Preferably, the vertical wire is electrically connected with a longitudinal wire, the longitudinal wire is fixedly connected to the inner bottom wall plate of the base, one end of the longitudinal wire, which is far away from the vertical wire, is electrically connected with a connecting wire, one end of the connecting wire, which is far away from the longitudinal wire, is electrically connected with the lamp tubes, and the plurality of lamp tubes are electrically connected with the plurality of thermistors in a one-to-one correspondence manner through the vertical wire, the longitudinal wire and the connecting wire.
The invention has the beneficial effects that:
1. the invention directly distinguishes the difference of the heat productivity between the battery positioned in the middle of the power battery pack and the battery positioned at the edge of the power battery pack through the brightness of each lamp tube, is quite convenient and quick, the more the heat productivity of the battery is, the higher the brightness of the lamp tube is, the lower the brightness of the lamp tube is, the relationship between a single battery and the power battery pack can be intuitively fed back, the analysis is conveniently carried out by technicians, and meanwhile, the light emitted by the lamp tube can be more sensitive after being refracted by the transparent resin plate, so the brightness change of the lamp tube can be more clearly observed, the power battery pack is further detected through the brightness of the lamp tube, the heat variation between the single battery and the whole power battery pack can be effectively and intuitively fed back, and the comparison is conveniently carried out by the technicians.
2. According to the invention, the alcohol can be smeared on the transparent resin plate through the hairbrush, on one hand, the transparent resin plate can be cleaned, on the other hand, the alcohol can be smeared on the transparent resin plate, the transparent resin plate can be rapidly cooled through the evaporation of the alcohol, so that the temperature in the lamp groove is reduced, the temperature of the lamp tube is reduced, the influence of the temperature generated when the lamp tube emits light on the resistance value of the lamp tube can be reduced, and the condition that the detection result is inaccurate due to the reduction of the luminous resistance value of the lamp tube is avoided.
3. According to the invention, through the one-to-one correspondence connection of the plurality of lamp tubes, the thermistors and the power supply, on one hand, the heating value between a single battery and the whole battery pack can be accurately fed back, and on the other hand, if the damage of components of the power battery is detected, the direct investigation can be carried out through the brightness of the lamp tubes, the time for repairing and troubleshooting can be greatly shortened, and the detection efficiency of the power battery is ensured; if the lamp tube breaks down, the transparent resin plate is detached to directly replace the lamp tube, if the thermistor breaks down, the lamp tube is always in an extinguishing state, the corresponding thermistor can be directly judged, and the lamp tube can be directly replaced, so that the lamp tube is quite convenient and rapid.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a top view of the overall structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the base of the present invention;
FIG. 4 is a schematic view of the mounting structure of the bracket of the present invention;
FIG. 5 is a schematic view of the connection structure of the charging head and the bracket of the present invention;
FIG. 6 is a bottom view of the bracket mounting structure of the present invention;
FIG. 7 is a schematic cross-sectional view of the structure of the stent of the present invention;
FIG. 8 is a schematic view of the connection structure of the charging wire of the present invention;
FIG. 9 is a schematic view of the overall structure of the base of the present invention;
FIG. 10 is a schematic view of a connection structure of a lamp panel according to the present invention;
FIG. 11 is a schematic view of the installation structure of the lamp tube of the present invention;
FIG. 12 is a schematic view showing a mounting structure of the brush of the present invention;
reference numerals in the drawings are as follows: 1. a base; 2. a bracket; 3. a thermistor; 4. an alcohol tank; 5. a lamp panel; 6. a transparent resin plate; 7. an introduction plate; 8. a collection plate; 9. a diversion cotton; 10. a pressure switch; 11. rectangular grooves; 12. a charging head; 13. connecting wires; 14. a longitudinal slide plate; 15. a longitudinal wire; 16. a transverse slide block; 17. a connecting rod; 18. a first slot; 19. a second slot; 20. a first plug; 21. a second plug; 22. a driving plate; 23. a vertical wire; 24. a longitudinal telescopic rod; 25. a transverse telescopic rod; 26. a power supply; 27. a ring frame; 29. a triangle; 30. a charging wire; 31. a first chute; 32. a second chute; 33. a plug; 34. a support plate; 35. a spool; 36. an electric slide block; 37. a scraper; 38. a water pump; 39. an infusion tube; 40. a brush; 41. a lamp tube.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-12, a power battery multiplying power temperature rise test method is implemented by a test device, and the method comprises the following steps:
step one: hoisting the power battery pack right above the base 1 through a preset navigation crane in a detection workshop, then slowly controlling the battery pack to descend, enabling batteries in the battery pack to be in one-to-one corresponding abutting connection with the thermistor 3, and then controlling the power battery pack to discharge;
step two: the heat generated by the battery discharge is conducted to the thermistor 3, so that the resistance of the thermistor 3 is reduced, the power supply 26 is used for powering on the lamp 41, the lamp 41 emits light, and the power battery pack is detected by the brightness of the lamp 41;
step three: after the detection is finished, the power battery pack is lifted by the navigation crane, the power battery pack leaves the thermistor 3, the water pump 38 and the electric sliding block 36 are controlled to work by the pressure switch 10, and the transparent resin plate 6 is subjected to cleaning and cooling.
As shown in fig. 1-12, a power battery multiplying power temperature rise testing device comprises a base 1, a placing groove for placing a power battery pack is formed in the top of the base 1, a plurality of supports 2 for placing single batteries are slidably mounted in the placing groove, thermistors 3 for measuring battery temperatures are arranged in the supports 2, two ends of each thermistor 3 are respectively and electrically connected with a lamp tube 41 and a power supply 26, one end of the base 1 is fixedly connected with a lamp plate 5 for feeding back detection results, the lamp tubes 41 electrically connected with the thermistors 3 are all arranged in the lamp plate 5, a brush 40 for cleaning is slidably mounted at the top of the lamp plate 5, a transparent resin plate 6 is fixedly connected to one side, far away from the base 1, of the lamp plate 5, the brush 40 is in butt joint with the transparent resin plate 6, a collecting plate 8 for connecting alcohol is arranged at the middle section of the side edge of the base 1, and the collecting plate 8 is matched with the lamp plate 5. The electrical connection between the power supply 26, the thermistor 3 and the lamp 41 is in series.
As a technical optimization scheme of the invention, as shown in fig. 1-3 and fig. 10-12, an alcohol tank 4 is fixedly connected to the top of one end of a base 1, a rectangular groove 11 is formed in the top of the other end of the base 1, a pressure switch 10 is fixedly connected to the bottom of the rectangular groove 11, support plates 34 are fixedly connected to both sides of the alcohol tank 4, one ends, far away from the pressure switch 10, of the alcohol tank 4 are faced to the alcohol tank 34, slide posts 35 are fixedly connected to opposite sides of the two support plates 34, an electric slide block 36 is connected to the slide posts 35 in a sliding manner, a water pump 38 is fixedly connected to the bottom of the electric slide block 36, and the water pump 38 and the electric slide block 36 are electrically connected with the pressure switch 10. The pressure switch 10 is turned on when pressure is sensed and pressure is sensed to be removed, thereby enabling the water pump 38 and the pressure switch 10 to operate.
As a technical optimization scheme of the invention, as shown in figures 1-3 and 10-12, a transverse plate is fixedly connected to the bottom of one end of the base 1 far away from the pressure switch 10, connecting rods are fixedly connected to both sides of the top of the transverse plate, the two connecting rods are respectively and fixedly connected to both sides of the bottom of the lamp panel 5, a U-shaped scraping plate 37 is slidingly connected to the top of the lamp panel 5, a brush 40 is fixedly connected to the inner wall of one end of the scraping plate 37 far away from the base 1, the top of the brush 40 is communicated with the output end of a water pump 38, the water pump 38 is fixedly connected to the top of the scraping plate 37, the input end of the water pump 38 is communicated with a transfusion tube 39, one end of the transfusion tube 39 far away from the water pump 38 is communicated with the alcohol tank 4, the two communicating positions are located on one side of the bottom of the alcohol tank 4, and a plug 33 for adding alcohol is arranged at one end of the top of the alcohol tank 4. The communication position of the alcohol tank 4 and the infusion tube 39 is positioned at one side of the bottom of the alcohol tank 4, and meanwhile, an electromagnetic valve is arranged at the communication position between the alcohol tank 4 and the infusion tube 39, and is opened along with the opening of the water pump 38 and closed along with the closing of the water pump 38.
As a technical optimization scheme of the invention, as shown in fig. 1-3 and fig. 10-12, the inner wall of the scraping plate 37 is abutted against the outer wall of the lamp panel 5, a plurality of lamp slots are formed in one side, far away from the base 1, of the lamp panel 5, lamp tubes 41 are arranged in the lamp slots, the transparent resin plate 6 is fixedly connected to one side, far away from the base 1, of the lamp slots, the hairbrushes 40 are abutted against the transparent resin plate 6, the bottom of the lamp panel 5 is fixedly connected with the guide plate 7, a guide groove is formed in one side, close to the base 1, of the guide plate 7, triangular plates 29 are fixedly connected to two sides of the guide groove, the triangular plates 29 are fixedly connected to one end of the top of the collecting plate 8, the cross section of the collecting plate 8 is in an L shape, and rectangular annular guide cotton 9 is fixedly connected to the inner bottom of the collecting plate 8. The flow guide cotton 9 can effectively promote the dispersion of alcohol, so that the evaporation area of the alcohol is increased, and the evaporation speed can be increased after the evaporation area of the alcohol is increased.
As a technical optimization scheme of the invention, as shown in fig. 1-3 and 9, a second chute 32 is longitudinally formed at the middle sections of the inner walls at two ends of the base 1, a first chute 31 is transversely formed at the middle sections of the inner walls at two sides of the base 1, a plurality of transverse sliding blocks 16 are slidably connected in the first chute 31, a plurality of longitudinal sliding plates 14 are slidably connected in the second chute 32, connecting rods 17 are fixedly connected to opposite sides of two transverse sliding blocks 16 of the same row, the connecting rods 17 are perpendicular to different surfaces of the longitudinal sliding plates 14, driving plates 22 are fixedly connected to the bottom of the support 2, the driving plates 22 are arranged in a rectangular shape in a placing groove, the driving plates 22 of the same row are longitudinally slidably sleeved on the connecting rods 17, the driving plates 22 of the same row are longitudinally slidably sleeved on the longitudinal sliding plates 14, transverse telescopic rods 25 are arranged on opposite sides of the driving plates 22 of the same row, and longitudinal telescopic rods 24 are arranged on opposite sides of the driving plates 22 of the same row. Both ends of connecting rod 17 are all fixedly connected with horizontal slider 16, through the setting of connecting rod 17 and horizontal slider 16, can effectually make connecting rod 17 obtain fixing, avoid support 2 to take place the pivoted condition on connecting rod 17.
As a technical optimization scheme of the invention, as shown in fig. 1-8, one side of a base 1, which is close to an alcohol tank 4, is fixedly connected with a charging head 12, a support 2, which is close to one side of the charging head 12, is fixedly connected to the inner wall of the base 1, a power supply 26, which is fixedly connected to the inside of the support 2 on the base 1, is electrically connected with the charging head 12, a second slot 19 and a second plug 21 are respectively arranged between two adjacent supports 2 along the longitudinal direction, the second slot 19 is arranged at one side of the support 2, which is close to the alcohol tank 4, the second plug 21 is arranged at one side of the support 2, which is far from the alcohol tank 4, a first slot 18 and a first plug 20 are respectively arranged between two adjacent supports 2 along the transverse direction, the first plug 20 is arranged at one side of the support 2, which is close to the charging head 12, and the first slot 18 is arranged at one side of the support 2, which is far from the charging head 12. Through fixing the support 2 that is close to the charging head 12 on the inner wall of the base 1, the device can be effectively prevented from generating inaccurate calibration when adjusting the relative position between the supports 2, and through fixing the support 2 that is close to the charging head 12, the movement range of other supports 2 can also be effectively fixed.
As a technical optimization scheme of the present invention, as shown in fig. 1-3 and fig. 7-8, the second plug 21 is movably inserted into the second slot 19, the first plug 20 is movably inserted into the first slot 18, the second slot 19 is electrically connected with the power supply 26 through the charging wire 30, the first plug 20, the first slot 18, the second plug 21 and the second slot 19 on the same bracket 2 are electrically connected with the power supply 26 arranged inside the bracket 2, the power supply 26 inside the plurality of brackets 2 is connected in series with the first slot 18 through the first plug 20, and is connected in series with the second slot 19 through the second plug 21, and the plurality of power supplies 26 are all charged through the charging head 12. The charging head 12 is provided to effectively charge the plurality of power sources 26, so that the plurality of power sources 26 always keep high power, and the power output to the lamp 41 is ensured.
As a technical optimization scheme of the invention, as shown in fig. 1-3 and fig. 7-8, a mounting groove is formed in the bracket 2, a power supply 26 is fixedly connected to one side of the inner bottom of the mounting groove, a ring frame 27 is fixedly connected to the other side of the inner bottom of the power supply 26, a charging wire 30 penetrates through the ring frame 27 and is electrically connected with the second slot 19, a thermistor 3 is fixedly connected to the power supply 26 and the top of the ring frame 27, a thermistor 3 arranged on the same bracket 2 is electrically connected with the power supply 26 in the bracket 2, and one end of the thermistor 3, which is far away from the power supply 26, is electrically connected with a vertical lead 23. The thermistor 3 is a negative temperature coefficient resistor, and the resistance of the thermistor 3 decreases when the temperature increases, and the resistance of the thermistor 3 increases when the temperature decreases, which is known in the art and is not disclosed herein.
As a technical optimization scheme of the invention, as shown in fig. 1-6, a vertical wire 23 is electrically connected with a longitudinal wire 15, the longitudinal wire 15 is fixedly connected to an inner bottom wall plate of a base 1, one end of the longitudinal wire 15 far away from the vertical wire 23 is electrically connected with a connecting wire 13, one end of the connecting wire 13 far away from the longitudinal wire 15 is electrically connected with a plurality of lamp tubes 41, and a plurality of lamp tubes 41 are electrically connected with a plurality of thermistors 3 in a one-to-one correspondence manner through the vertical wire 23, the longitudinal wire 15 and the connecting wire 13. The multiple lamp tubes 41 and the thermistors 3 are in one-to-one correspondence with the power supply 26, so that on one hand, the heating value between a single battery and the whole battery pack can be accurately fed back, and on the other hand, if the components of the power battery are detected to be damaged, the direct investigation can be carried out through the brightness of the lamp tubes 41, the time for repairing and troubleshooting can be greatly shortened, and the detection efficiency of the power battery is ensured; if the lamp 41 breaks down, the transparent resin plate 6 is detached to directly replace the lamp 41, if the thermistor 3 breaks down, the lamp 41 is always in an extinguishing state, and the corresponding thermistor 3 can be directly judged to be directly replaced, so that the lamp is quite convenient and quick.
When the power battery pack is used, the power battery pack is hoisted right above the base 1 by detecting the preset aerial crane in the workshop, and then the power battery pack is controlled to discharge. In the process of power electromagnetic hoisting, one end of a power battery pack is often provided with a bulge for being installed on a power automobile, the technology is the prior art, the technology is commonly used in a three-star power automobile battery pack, excessive disclosure is not made here, the battery pack is slowly controlled to descend by aligning the bulge of a power battery pack fixing frame with a rectangular groove 11, then the power battery pack is placed above a bracket 2 through a crane, batteries in the battery pack are abutted against a thermistor 3 in one-to-one correspondence, at the moment, the bulge on the power battery pack is abutted against a pressure switch 10, and the pressure switch 10 is abutted against the power battery pack and then controls a water pump 38 and an electric sliding block 36 to work.
The water pump 38 can be through the transfer line 39 follow alcohol in the alcohol case 4 after the work, the output infiltration of alcohol through the water pump 38 is on brush 40 afterwards, and then make brush 40 clean transparent resin board 6 after being stained with alcohol, prevent to have the spot to influence the luminance of fluorescent tube 41 on the transparent resin board 6, and then the effectual detection accuracy of guaranteeing power battery, the work of electronic slider 36 can drive water pump 38 and scraper blade 37 and remove the other end to the post 35 from the one end of post 35, and then make scraper blade 37 drive brush 40 and remove the other end to lamp plate 5 from the one end of lamp plate 5, thereby make brush 40 carry out effectual cleaning work to transparent resin board 6, in this process, unnecessary alcohol can fall into the inside of connecing the guide plate 7, then flow to collecting plate 8 through connecing the guide plate 7, the evaporation rate of alcohol is very fast, the alcohol is close evaporation when power battery generates heat, consequently can not produce the error to the detection of electromagnetic group.
The power battery pack can generate heat when discharging, the resistance value of the thermistor 3 is larger when the power battery does not emit heat, so that the current transmitted by the power supply 26 to the lamp 41 through the thermistor 3 is smaller, the luminous brightness of the lamp 41 is lower, the thermistor 3 is heated more and more along with the heating of the power battery pack, the resistance value is reduced after the thermistor 3 heats, the current transmitted by the power supply 26 to the lamp 41 through the thermistor 3 is larger, the voltage at two ends of the lamp 41 is higher, the luminous brightness emitted by the lamp 41 is higher, a technician can distinguish the heating condition of the power battery pack when discharging through the light emitted by the transparent resin plate 6 penetrating through the lamp 41, meanwhile, if the heating of the power battery pack is unstable, the lamp 41 can flash, and the arrangement of the lamp 41 and the thermistor 3 is convenient for the technician to find a single battery with a problem in the power battery pack.
The technician can also directly distinguish the difference of calorific value between the battery in the middle of the power battery pack and the battery at the edge of the power battery pack through the brightness of each lamp tube 41, the more the calorific value of the battery is, the higher the brightness of the lamp tube 41 is, the lower the brightness of the lamp tube 41 is, the relationship between a single battery and the power battery pack can be intuitively fed back, the technician can conveniently analyze, and meanwhile, the lamplight emitted by the lamp tube 41 can be more sensitive after being refracted through the transparent resin plate 6, so that the heating condition between the single battery and the power battery pack can be more clearly fed back, the technician can conveniently design a heat dissipation device of the power battery pack through the calorific value, and the specific setting is carried out according to the different heating conditions of different positions of the power battery pack, so that each battery in the power battery pack is at the proper temperature for use, and the service life of the power battery can be further ensured.
The heat generated by discharging the power battery pack is conducted to the thermistor 3, so that the resistance of the thermistor 3 is reduced, the power supply 26 is used for electrifying the lamp tube 41, the lamp tube 41 emits light, the power battery pack is detected through the brightness of the lamp tube 41, the heat change between a single battery and the whole power battery pack can be effectively and intuitively fed back, and comparison is convenient for technicians.
After the detection is finished, the power battery pack is lifted by the aerial crane, the power battery pack is separated from the thermistor 3, the water pump 38 and the electric sliding block 36 are controlled to work by the pressure switch 10 when the protrusion at the end part of the power battery pack is separated from the pressure switch 10, alcohol is extracted by the water pump 38, the scraper 37 is driven to move by the electric sliding block 36 to clean the transparent resin plate 6, when the brush 40 and the transparent resin plate 6 are wiped, the brush 40 can also smear alcohol on the transparent resin plate 6, on one hand, the transparent resin plate 6 can be cleaned, on the other hand, the alcohol is smeared on the transparent resin plate 6, the transparent resin plate 6 can be rapidly cooled by evaporation of the alcohol, further, the temperature in a lamp groove is reduced, the temperature of the lamp 41 can be reduced by reducing the temperature in the lamp groove, further, the influence of the temperature generated when the lamp 41 shines on the resistance of the lamp 41 is reduced, and the inaccurate detection result caused by the reduction of the resistance of the lighting 41 is avoided.
Through the setting of pressure switch 10, can all clean and smear alcohol to transparent resin board 6 before power battery detects with detect the back, through twice clean and the evaporation of alcohol, can be further guarantee transparent resin board 6 clean, also can be further promote the cooling of fluorescent tube 41 simultaneously, reduce the influence of fluorescent tube 41 self resistance change to the testing result. Alcohol can enter into collecting plate 8 after the guide through connecing guide plate 7 and set square 29, and when alcohol contacts with the water conservancy diversion cotton 9 in collecting plate 8, water conservancy diversion cotton 9 can effectually spread alcohol in collecting plate 8, and then improves the evaporation rate of alcohol, has further avoided producing the influence to power battery because of alcohol evaporation when power battery detects.
Through the setting of vertical telescopic link 24 and horizontal telescopic link 25, can effectually adjust the relative position between the support 2, and then can make the relative position of thermistor 3 obtain effectual regulation for thermistor 3 all the time with the bottom wallboard butt of single battery in the power battery group, ensure that thermistor 3 can carry out the resistance change along with power battery's heating very first time, and then ensure the accuracy of detection. When the relative position between the brackets 2 is adjusted, the longitudinal telescopic rod 24 is contracted, so that the brackets 2 are close to the alcohol tank 4, and when the longitudinal telescopic rod is extended, the brackets 2 are dispersed to the direction away from the alcohol tank 4; the lateral expansion rod 25 can be contracted to make the support 2 close to the charging head 12, and can be extended to make the support 2 disperse away from the charging head 12, and the support 2 closest to the charging head 12 is kept still all the time in the adjustment process.
When the power battery pack is not detected, the longitudinal telescopic rod 24 and the transverse telescopic rod 25 are controlled to be contracted to the shortest state, so that the first plug 20 is inserted into the first slot 18, the second plug 21 is inserted into the second slot 19, then the charging head 12 is used for charging the power supplies 26 in the bracket 2, and the charging of the power supplies 26 is performed simultaneously, which is not disclosed in the prior art.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (10)
1. The power battery multiplying power temperature rise testing method is realized by a testing device and is characterized by comprising the following steps of:
step one: hoisting a power battery pack right above a base (1) through a preset navigation crane in a detection workshop, then slowly controlling the battery pack to descend, enabling batteries in the battery pack to be in one-to-one corresponding butt joint with a thermistor (3), and then controlling the power battery pack to discharge;
step two: the heat generated by the battery discharge is conducted to the thermistor (3) so that the resistance of the thermistor (3) is reduced, the power supply (26) is used for electrifying the lamp tube (41), the lamp tube (41) emits light, and the power battery pack is detected through the brightness of the lamp tube (41);
step three: after the detection is finished, the power battery pack is lifted by the aerial crane, the power battery pack leaves the thermistor (3), the water pump (38) and the electric sliding block (36) are controlled to work by the pressure switch (10), and the transparent resin plate (6) is subjected to cleaning and cooling.
2. The utility model provides a power battery multiplying power temperature rise testing arrangement, including base (1), its characterized in that, the standing groove that is used for placing power battery group is seted up at the top of base (1), sliding fit has a plurality of supports (2) that are used for placing single battery in the standing groove, be provided with thermistor (3) that are used for measuring battery temperature in support (2), both ends of thermistor (3) are electric connection respectively have fluorescent tube (41) and power (26), the one end fixedly connected with of base (1) is used for feeding back lamp plate (5) of testing result, fluorescent tube (41) of a plurality of thermistor (3) electric connection all set up in lamp plate (5), the top slidable mounting of lamp plate (5) has brush (40) that are used for the cleanness, one side fixedly connected with transparent resin board (6) of keeping away from base (1) of lamp plate (5), brush (40) and transparent resin board (6) butt, the middle section department of the side of base (1) is provided with and is used for connecing collecting board (8) of alcohol, collecting board (8) and lamp plate (5) adaptation.
3. The power battery multiplying power temperature rise testing device according to claim 2, wherein an alcohol tank (4) is fixedly connected to one end top of the base (1), a rectangular groove (11) is formed in the other end top of the base (1), a pressure switch (10) is fixedly connected to the bottom of the rectangular groove (11), support plates (34) are fixedly connected to two sides of the alcohol tank (4), one end, far away from the pressure switch (10), of the alcohol tank (4) is faced by the support plates (34), a sliding column (35) is fixedly connected to one side, opposite to each other, of the two support plates (34), an electric sliding block (36) is connected to the sliding column (35) in a sliding mode, a water pump (38) is fixedly connected to the bottom of the electric sliding block (36), and the water pump (38) and the electric sliding block (36) are electrically connected with the pressure switch (10).
4. The power battery multiplying power temperature rise testing device according to claim 3, wherein, one end bottom fixedly connected with diaphragm of pressure switch (10) is kept away from to base (1), the equal fixedly connected with connecting rod in top both sides of diaphragm, two connecting rods are fixedly connected with respectively in the bottom both sides of lamp plate (5), the top sliding connection of lamp plate (5) has scraper blade (37) of "U" font, brush (40) fixed connection is kept away from on the one end inner wall of base (1) at scraper blade (37), the top and the output intercommunication of water pump (38) of brush (40), the top of water pump (38) fixed connection is at the top of scraper blade (37), the input intercommunication of water pump (38) has transfer line (39), the one end that water pump (38) was kept away from to transfer line (39) communicates and both intercommunication department is located the bottom one side of alcohol case (4), the top one end of alcohol case (4) is provided with plug (33) that is used for adding alcohol.
5. The power battery multiplying power temperature rise testing device according to claim 4, wherein the inner wall of the scraping plate (37) is abutted with the outer wall of the lamp panel (5), a plurality of lamp slots are formed in one side, far away from the base (1), of the lamp panel (5), lamp tubes (41) are arranged in the lamp slots, the transparent resin plate (6) is fixedly connected to one side, far away from the base (1), of the lamp slots, the hairbrush (40) is abutted with the transparent resin plate (6), the bottom of the lamp panel (5) is fixedly connected with the guide plate (7), a guide slot is formed in one side, close to the base (1), of the guide plate (7), set square plates (29) are fixedly connected to two sides of the guide slot, one end of the top of the collecting plate (8) is fixedly connected to the set square (29), the cross section of the collecting plate (8) is in an L shape, and the inner bottom of the collecting plate (8) is fixedly connected with rectangular annular guide cotton (9).
6. The power battery multiplying power temperature rise testing device according to claim 5, wherein the middle sections of the inner walls at two ends of the base (1) are provided with second sliding grooves (32) longitudinally, the middle sections of the inner walls at two sides of the base (1) are provided with first sliding grooves (31) transversely, the first sliding grooves (31) are internally and slidably connected with a plurality of transverse sliding blocks (16), the second sliding grooves (32) are internally and slidably connected with a plurality of longitudinal sliding plates (14), one side, opposite to each other, of each of the two transverse sliding blocks (16) in the same row is fixedly connected with a connecting rod (17), the connecting rods (17) are perpendicular to the different surfaces of the longitudinal sliding plates (14), the bottoms of the supports (2) are fixedly connected with driving plates (22), the driving plates (22) are arranged in a rectangular shape in a placing groove, the driving plates (22) in the same row are sleeved on the connecting rods (17) transversely in a sliding manner, the driving plates (22) in the same row are sleeved on the longitudinal sliding plates (14) longitudinally, one side, opposite sides of the driving plates (22) in the same row are provided with opposite longitudinal telescopic rods (25), and one side, opposite sides of the driving plates (24) are provided with opposite longitudinal telescopic rods.
7. The power battery multiplying power temperature rise testing device according to claim 6, wherein one end side of the base (1) close to the alcohol tank (4) is fixedly connected with a charging head (12), the support (2) close to one side of the charging head (12) is fixedly connected to the inner wall of the base (1), a power supply (26) fixedly connected to the support (2) on the base (1) is internally provided with the charging head (12) and electrically connected with the charging head, a second slot (19) and a second plug (21) are respectively arranged between two adjacent supports (2) along the longitudinal direction, the second slot (19) is arranged on one side of the support (2) close to the alcohol tank (4), the second plug (21) is arranged on one side of the support (2) away from the alcohol tank (4), a first slot (18) and a first plug (20) are respectively arranged between two adjacent supports (2) along the transverse direction, and the first slot (18) is arranged on one side of the support (2) close to the charging head (12).
8. The power battery multiplying power temperature rise testing device according to claim 7, wherein the second plug (21) is movably inserted into the second slot (19), the first plug (20) is movably inserted into the first slot (18), the second slot (19) is electrically connected with the power supply (26) through the charging wire (30), the first plug (20), the first slot (18), the second plug (21) and the second slot (19) on the same support (2) are electrically connected with the power supply (26) arranged inside the support (2), the power supply (26) inside the supports (2) is connected with the first slot (18) in series through the first plug (20), the power supply (26) is connected with the second slot (19) in series through the second plug (21), and the power supplies (26) are all charged through the charging head (12).
9. The power battery multiplying power temperature rise testing device according to claim 8, wherein the mounting groove is formed in the support (2), the power supply (26) is fixedly connected to one side of the inner bottom of the mounting groove, the ring frame (27) is fixedly connected to the other side of the inner bottom of the power supply (26), the charging wire (30) penetrates through the ring frame (27) and is electrically connected with the second slot (19), the thermistor (3) is fixedly connected to the tops of the power supply (26) and the ring frame (27), the thermistor (3) arranged on the same support (2) is electrically connected with the power supply (26) in the support (2), and one end, far away from the power supply (26), of the thermistor (3) is electrically connected with the vertical lead (23).
10. The power battery multiplying power temperature rise testing device according to claim 9, wherein the vertical wire (23) is electrically connected with a longitudinal wire (15), the longitudinal wire (15) is fixedly connected to an inner bottom wall plate of the base (1), one end, far away from the vertical wire (23), of the longitudinal wire (15) is electrically connected with a connecting wire (13), one end, far away from the longitudinal wire (15), of the connecting wire (13) is electrically connected with the lamp tubes (41), and the lamp tubes (41) are electrically connected with the thermistors (3) in a one-to-one correspondence manner through the vertical wire (23), the longitudinal wire (15) and the connecting wire (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211457577.6A CN115754786B (en) | 2022-11-21 | 2022-11-21 | Power battery multiplying power temperature rise testing method and testing device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211457577.6A CN115754786B (en) | 2022-11-21 | 2022-11-21 | Power battery multiplying power temperature rise testing method and testing device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115754786A CN115754786A (en) | 2023-03-07 |
| CN115754786B true CN115754786B (en) | 2023-06-09 |
Family
ID=85333749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211457577.6A Active CN115754786B (en) | 2022-11-21 | 2022-11-21 | Power battery multiplying power temperature rise testing method and testing device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115754786B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865942B (en) * | 2011-07-04 | 2014-07-16 | 杭州市电力局 | Temperature testing method, device and system of power cells |
| CN206060683U (en) * | 2016-06-28 | 2017-03-29 | 广东金莱特电器股份有限公司 | A kind of novel solar battery board test device |
| CN110040035B (en) * | 2019-03-26 | 2020-12-08 | 严润达 | Detection and maintenance method of power battery pack |
| CN210403836U (en) * | 2019-09-10 | 2020-04-24 | 上海应人智能科技有限公司 | New energy automobile group battery temperature-detecting device |
| CN213637661U (en) * | 2020-09-17 | 2021-07-06 | 点点云智能科技有限公司 | Photovoltaic power plant fault detection device |
| CN112345947A (en) * | 2020-09-29 | 2021-02-09 | 垒途智能教科技术研究院江苏有限公司 | New energy automobile battery fault detection system |
| CN114715440A (en) * | 2022-03-10 | 2022-07-08 | 中国电子科技集团公司第十八研究所 | Solar battery satellite carrying equipment and battery testing method |
-
2022
- 2022-11-21 CN CN202211457577.6A patent/CN115754786B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN115754786A (en) | 2023-03-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101701854B (en) | Method for detecting junction temperature of chip of LED lamp | |
| CN1503428A (en) | Electricity charge capable of indicating remaining time | |
| CN102589847B (en) | Device capable of simultaneously measuring plank constant and work function and measurement method thereof | |
| CN207263849U (en) | Laser ageing test equipment | |
| CN202551453U (en) | Constant-power light-emitting diode (LED) driving device | |
| CN102833909A (en) | Light emitting device and illumination apparatus having same | |
| CN115754786B (en) | Power battery multiplying power temperature rise testing method and testing device thereof | |
| CN102097847A (en) | Shunt-wound rechargeable battery heavy constant current discharging device | |
| CN102879686A (en) | Automatic test device for power adapter | |
| CN110418072B (en) | Industrial camera light supplement control method and system | |
| CN216310159U (en) | Aging system for military photoelectric coupler | |
| CN107493092A (en) | Big pulse current generating device and its control method | |
| CN105048000B (en) | Formation and grading device for metal-shell lithium ion power battery | |
| CN103167675B (en) | A kind of LED lamp with thermal-shutdown circuit | |
| CN210111680U (en) | Photovoltaic storage battery charging control system device based on single chip microcomputer | |
| CN210411598U (en) | Automatic sorting device based on resistance value detection | |
| CN201594135U (en) | Deuterium lamp electrical property automatic testing device | |
| CN211756989U (en) | Automatic detection system of photoelectric device based on vision | |
| CN103633685B (en) | Charger | |
| CN201067825Y (en) | Induction control type acoustooptical indication electron temperature adjusting electric soldering iron | |
| CN211741521U (en) | Full-automatic LED lamps and lanterns aging testing equipment | |
| CN208968463U (en) | A kind of automobile rear panel panel detection smelting tool | |
| CN207150891U (en) | High light efficiency LED fluorescent tube | |
| CN116914020B (en) | Be applied to photovoltaic module's infrared welding device | |
| CN205071401U (en) | A LED constant -current drive apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |