CN210465641U - Battery performance detection and evaluation device in new energy automobile second-hand car transaction process - Google Patents
Battery performance detection and evaluation device in new energy automobile second-hand car transaction process Download PDFInfo
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- CN210465641U CN210465641U CN201920546467.4U CN201920546467U CN210465641U CN 210465641 U CN210465641 U CN 210465641U CN 201920546467 U CN201920546467 U CN 201920546467U CN 210465641 U CN210465641 U CN 210465641U
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Abstract
The utility model discloses a battery performance detection and evaluation device in new energy automobile second-hand car transaction process, including detecting the shell, cup joint detection inner shell and battery in detecting the shell, be connected with the display screen that is used for showing detection data and aassessment data on the lateral wall of detecting the shell, install movable button on the detection shell below the display screen, the outside cover of button has the first spring that meets with detecting the inner shell, fixed circuit board on the outer wall of detection inner shell, increase the shock attenuation between detecting the shell and detecting the inner shell, protect the inside, in the process of carrying out the charge and discharge to the battery, current sampling module and voltage sampling module transmit the data that detect to signal conversion module, signal conversion module carries out the analog-to-digital conversion of data, convert the process of testing and result data into visual information and send to the display screen, the test result is aassessment, and comparing the parameters with all the parameters of the brand-new batteries with the same model, and displaying the parameters on a display screen.
Description
Technical Field
The utility model relates to a battery test equipment, in particular to new energy automobile second-hand car transaction in-process battery performance detect and evaluation device.
Background
The existing battery performance detector is mainly used for detecting overcurrent, voltage, capacity, internal resistance, charging and discharging temperature and battery cycle life, and can meet the production detection requirements of various manufacturers on high-grade, medium-grade and low-grade batteries. The new energy automobile battery is a product which requires high quality and high safety, and the performance of the battery is often unclear when a consumer uses the battery, so that the working efficiency of the battery is often not an ideal target when the battery is used, sometimes, even blind use of the battery can cause battery explosion, and the life safety of the battery can be damaged, so that the understanding of the performance of the battery is also very important, and the performance of the battery can be detected in a second-hand new energy automobile.
The existing detection machine has certain defects when in use, is relatively serious in power consumption and poor in cruising ability, does not have the function of preventing falling, is easy to fall down when in unexpected conditions, influences the normal use in work, and cannot print and store the detected data in time.
The working mode of detecting and sampling resistors is non-isolated and directly samples, when a large current works, the temperature of an element rises, so that errors change along with temperature changes, the existing equipment adopts single element control, has no detection and evaluation functions, needs professionals to evaluate through data analysis, is not applicable, and cannot give accurate evaluation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a battery performance detects and aassessment device in new energy automobile second-hand car transaction process has the advantage of shock attenuation, aassessment function to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a battery performance detection and evaluation device in a new energy automobile second-hand car transaction process comprises a detection outer shell, a detection inner shell and a battery, wherein the detection inner shell and the battery are sleeved in the detection outer shell;
the damping mechanism comprises an elastic rubber block and a second spring which are connected with the outer wall of the detection outer shell and the outer wall of the detection inner shell in parallel;
a partition board for separating space is transversely arranged in the middle of the detection inner shell, the interior of the detection inner shell is divided into an upper detection table and a lower detection table, a battery wiring terminal is hung on the top of the upper detection table, and a temperature sensor is hung on the top of the lower detection table;
the battery is placed and is examined test table or examine test table down at last, and the top both ends of battery are connected with the wire holder that meets with inside battery piece, and the lateral wall of battery is connected with the temperature detection section of thick bamboo that extends to battery piece clearance department, and temperature sensor inserts the inside temperature of detection battery in the temperature detection section of thick bamboo, and battery terminal inserts in the wire holder, detects voltage, internal resistance, capacity, interior pressure, the self discharge rate data of battery charge-discharge in-process.
Furthermore, a rectification module, a filtering module, a charging and discharging protection module, a discharging load, a current sampling module, a voltage sampling module, a signal conversion module and a processor are soldered on the circuit board;
the output end of the rectifying module is connected with the filtering module, the output end of the filtering module is connected with the battery, the input end of the battery is connected with the charging and discharging protection module, the output end of the battery is connected with the temperature sensor, the discharging load, the current sampling module and the voltage sampling module, the output ends of the temperature sensor, the current sampling module and the voltage sampling module are connected with the signal conversion module, the output end of the signal conversion module is connected with the processor, and the output end of the processor is connected with the display screen;
the rectification module is used for converting alternating current provided by the alternating current power distribution unit into 48V or 24V direct current to be output;
the filtering module is used for effectively filtering a frequency point of a specific frequency in the power supply or frequencies except the frequency point to obtain a power supply signal which accords with a standard frequency, and charging the power supply signal by stable current;
the charge and discharge protection module is used for ensuring that the current flowing through each discharge-controlled high-power field effect transistor is basically consistent and the current flowing through each charge-controlled high-power field effect transistor is also basically consistent in the charge and discharge process, so that the situation that a large amount of current flows through the charge-controlled high-power field effect transistors to be broken down and burnt is avoided;
the discharge load is used for obtaining a motor and an engine of current in the discharge process;
the current sampling module is a data acquisition module used for measuring the current of the battery in the charging or discharging process in real time, and a high-precision current transformer is adopted to realize signal isolation and sensing;
the voltage sampling module is used for measuring the voltage of the battery in the charging or discharging process in real time;
the signal conversion module is used for the current sampling module and the voltage sampling module to perform signal level conversion, and then the conversion result is transmitted to the processor to perform program processing.
Further, the button input changes the voltage value of the rectification module.
Furthermore, the circuit board is also provided with a comparison module, and each parameter of the detected battery is compared with each parameter of the brand-new battery with the same model and is displayed on the display screen.
Compared with the prior art, the beneficial effects of the utility model are that:
this new energy automobile second-hand car transaction in-process battery performance detects and evaluation device, will detect the shell and detect and increase the shock attenuation between the inner shell, when externally receiving vibrations, damper absorbs the impact force of vibrations, protect inside, the in-process of carrying out charge-discharge to the battery, the test mode is simple, data transmission to the signal conversion module that current sampling module and voltage sampling module will detect, the signal conversion module carries out the analog-to-digital conversion of data, process and the result data conversion of testing are visual information transfer to the display screen, at this moment, operating personnel, can monitor whole test process and test result through the display screen, the test result assesses, compare with the brand-new battery each item parameter of isomorph, and show on the display screen.
Drawings
FIG. 1 is a front view of the whole structure of the present invention;
FIG. 2 is an internal structure diagram of the detecting device of the present invention;
FIG. 3 is a diagram of a battery structure according to the present invention;
fig. 4 is a module connection diagram of the present invention.
In the figure: 1. detecting the shell; 11. a display screen; 12. a button; 121. a first spring; 2. detecting the inner shell; 21. a circuit board; 211. a rectification module; 212. a filtering module; 213. a charge and discharge protection module; 214. a discharge load; 215. a current sampling module; 216. a voltage sampling module; 217. a signal conversion module; 218. a processor; 22. a partition plate; 23. an upper detection table; 231. a battery terminal; 24. a lower detection table; 241. a temperature sensor; 3. a battery; 31. a wire holder; 32. a temperature detection cylinder; 4. a damping mechanism; 41. an elastic rubber block; 42. a second spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a device for detecting and evaluating battery performance in a new energy automobile second-hand car transaction process includes a detection housing 1, a detection inner housing 2 and a battery 3 sleeved in the detection housing 1, a display screen 11 for displaying detection data and evaluation data is connected to a side wall of the detection housing 1, a movable button 12 is installed on the detection housing 1 below the display screen 11, the button 12 can be used for controlling the on or off of the device and controlling the magnitude of output voltage, a first spring 121 connected with the detection inner housing 2 is sleeved outside the button 12, a circuit board 21 is fixed on an outer wall of the detection inner housing 2, and a contact on the circuit board 21 and the button 12 are in contact to generate level change.
Referring to fig. 2, a damping mechanism 4 is installed at a gap between the detection outer shell 1 and the detection inner shell 2, the damping mechanism 4 includes an elastic rubber block 41 and a second spring 42, the elastic rubber block 41 and the second spring 42 are connected with the outer walls of the detection outer shell 1 and the detection inner shell 2 opposite to each other, so as to increase damping between the detection outer shell 1 and the detection inner shell 2, and when the outside is vibrated, the damping mechanism 4 absorbs the impact force of the vibration to protect the inside; the middle part of the detection inner shell 2 is transversely provided with a partition plate 22 for separating the space, the inside of the detection inner shell 2 is divided into an upper detection platform 23 and a lower detection platform 24, the top of the upper detection platform 23 is hung with a battery wiring terminal 231, the top of the lower detection platform 24 is hung with a temperature sensor 241, and the battery wiring terminal 231 and the temperature sensor 241 detect the performance of the battery.
Referring to fig. 3, the battery 3 is placed in the upper detection table 23 or the lower detection table 24, different detections are performed on different detection tables, the two ends of the top of the battery 3 are connected with the wire holders 31 connected with the internal battery pieces, the side wall of the battery 3 is connected with the temperature detection cylinders 32 extending to the gaps of the battery pieces, the temperature sensors 241 are inserted into the temperature detection cylinders 32 to detect the internal temperature of the battery 3, the battery terminals 231 are inserted into the wire holders 31 to detect the voltage, internal resistance, capacity, internal pressure and self-discharge rate data of the battery 3 in the charging and discharging processes, and the detection method is simple.
Referring to fig. 4, the circuit board 21 is soldered with a rectifying module 211, a filtering module 212, a charging/discharging protection module 213, a discharging load 214, a current sampling module 215, a voltage sampling module 216, a signal conversion module 217, and a processor 218.
The input of the button 12 changes the voltage value of the rectifying module 211, the output end of the rectifying module 211 is connected with the filtering module 212, the output end of the filtering module 212 is connected with the battery 3, the input end of the battery 3 is connected with the charging and discharging protection module 213, the output end of the battery 3 is connected with the temperature sensor 241, the discharging load 214, the current sampling module 215 and the voltage sampling module 216, the output ends of the temperature sensor 241, the current sampling module 215 and the voltage sampling module 216 are connected with the signal conversion module 217, the output end of the signal conversion module 217 is connected with the processor 218, the output end of the processor 218 is connected with the display screen 11, the circuit board 21 is further provided with a comparison module, and the detected parameters of the battery 3 and the brand-new battery 3 with the same model are compared and displayed on the display screen 11;
the rectifying module 211 is used for converting the alternating current provided by the alternating current power distribution unit into a direct current of 48V or 24V for output;
the filtering module 212 is configured to effectively filter a frequency point of a specific frequency in the power supply or frequencies other than the frequency point to obtain a power supply signal meeting a standard frequency, and charge the power supply signal with a stable current;
the charge and discharge protection module 213 is used for ensuring that the current flowing through each discharge-controlled high-power field effect transistor is basically consistent and the current flowing through each charge-controlled high-power field effect transistor is also basically consistent in the charge and discharge process, so that the situation that a large amount of current flows through the high-power field effect transistors to cause breakdown and burnout is avoided;
the discharging load 214 is used for obtaining a motor and an engine of current in the discharging process;
the current sampling module 215 is a data acquisition module for measuring the current of the battery 3 in real time during the charging or discharging process, and a high-precision current transformer is adopted to realize signal isolation and sensing;
the voltage sampling module 216 is a data acquisition module for measuring the voltage of the battery 3 in real time in the charging or discharging process;
the signal conversion module 217 is used for the current sampling module 215 to sample the information of the voltage sampling module 216, perform signal level conversion, and then transmit the conversion result to the processor 218 for program processing.
The working principle is as follows: in the process of charging and discharging the battery 3, the current sampling module 215 and the voltage sampling module 216 transmit detected data to the signal conversion module 217, the signal conversion module 217 performs analog-to-digital conversion on the data, the tested process and result data are converted into visual information and transmitted to the display screen 11, at the moment, an operator can monitor the whole testing process and the testing result through the display screen 11, the testing result is evaluated, the parameters are compared with all parameters of the brand-new battery 3 of the same model, and the parameters are displayed on the display screen 11.
To sum up, the utility model provides a new energy automobile second hand car transaction in-process battery performance detects and evaluation device, will detect shell 1 and detect and increase the shock attenuation between the inner shell 2, when externally receiving vibrations, damper 4 absorbs the impact force of vibrations, protect inside, to battery 3 at the in-process that carries out the charge-discharge, the detection mode is simple, current sampling module 215 and voltage sampling module 216 data transmission to signal conversion module 217 that will detect, signal conversion module 217 carries out the analog-to-digital conversion of data, process and the result data conversion who will test are visual information transfer to display screen 11, at this moment, operating personnel, can monitor whole test procedure and test result through display screen 11, the test result evaluates, contrast with 3 parameters of the brand-new battery of the same model, and show on display screen 11.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, which should be included in the protection scope of the present invention, in addition to replacing or changing.
Claims (4)
1. The device for detecting and evaluating the performance of the battery in the new energy automobile second-hand car transaction process is characterized by comprising a detection outer shell (1), a detection inner shell (2) sleeved in the detection outer shell (1) and the battery (3), wherein a display screen (11) used for displaying detection data and evaluation data is connected to the side wall of the detection outer shell (1), a movable button (12) is installed on the detection outer shell (1) below the display screen (11), a first spring (121) connected with the detection inner shell (2) is sleeved outside the button (12), a circuit board (21) is fixed on the outer wall of the detection inner shell (2), and a contact on the circuit board (21) is in contact with the button (12) to generate level change;
the damping mechanism (4) is arranged at the gap between the detection outer shell (1) and the detection inner shell (2) and comprises an elastic rubber block (41) and a second spring (42), and the elastic rubber block (41) and the second spring (42) are connected with the outer wall of the detection outer shell (1) and the outer wall of the detection inner shell (2) in parallel;
a partition plate (22) for separating space is transversely arranged in the middle of the detection inner shell (2), the interior of the detection inner shell (2) is divided into an upper detection platform (23) and a lower detection platform (24), a battery terminal (231) is hung at the top of the upper detection platform (23), and a temperature sensor (241) is hung at the top of the lower detection platform (24);
the battery (3) is placed in an upper detection table (23) or a lower detection table (24), the two ends of the top of the battery (3) are connected with wire holders (31) connected with internal battery pieces, the side wall of the battery (3) is connected with a temperature detection barrel (32) extending to the position of a battery piece gap, a temperature sensor (241) is inserted into the temperature detection barrel (32) to detect the internal temperature of the battery (3), a battery terminal (231) is inserted into the wire holders (31), and voltage, internal resistance, capacity, internal pressure and self-discharge rate data in the charging and discharging process of the battery (3) are detected.
2. The device for detecting and evaluating the performance of the battery in the second-hand vehicle transaction process of the new energy automobile according to claim 1, is characterized in that: a rectifying module (211), a filtering module (212), a charging and discharging protection module (213), a discharging load (214), a current sampling module (215), a voltage sampling module (216), a signal conversion module (217) and a processor (218) are soldered on the circuit board (21);
the output end of the rectifying module (211) is connected with the filtering module (212), the output end of the filtering module (212) is connected with the battery (3), the input end of the battery (3) is connected with the charging and discharging protection module (213), the output end of the battery (3) is connected with the temperature sensor (241), the discharging load (214), the current sampling module (215) and the voltage sampling module (216), the output ends of the temperature sensor (241), the current sampling module (215) and the voltage sampling module (216) are connected with the signal conversion module (217), the output end of the signal conversion module (217) is connected with the processor (218), and the output end of the processor (218) is connected with the display screen (11);
the rectifying module (211) is used for converting alternating current provided by the alternating current power distribution unit into direct current of 48V or 24V for output;
the filtering module (212) is used for effectively filtering a frequency point of a specific frequency in the power supply or frequencies except the frequency point to obtain a power supply signal which accords with a standard frequency, and charging the power supply signal by stable current;
the charge and discharge protection module (213) is used for ensuring that the current flowing through each discharge-controlled high-power field-effect tube is basically consistent and the current flowing through each charge-controlled high-power field-effect tube is also basically consistent in the charge and discharge process, so that the situation that a large amount of current flows through the high-power field-effect tubes to cause breakdown and burning is avoided;
the discharge load (214) is used for obtaining a motor and an engine of current in the discharge process;
the current sampling module (215) is a data acquisition module for measuring the current of the battery (3) in real time in the charging or discharging process, and a high-precision current transformer is adopted to realize signal isolation and sensing;
the voltage sampling module (216) is a data acquisition module for measuring the voltage of the battery (3) in the charging or discharging process in real time;
the signal conversion module (217) is used for the current sampling module (215) and the voltage sampling module (216) to perform signal level conversion, and then the conversion result is transmitted to the processor (218) for program processing.
3. The device for detecting and evaluating the performance of the battery in the second-hand vehicle transaction process of the new energy automobile according to claim 1, is characterized in that: the button (12) inputs the voltage value of the rectifying module (211).
4. The device for detecting and evaluating the performance of the battery in the second-hand vehicle transaction process of the new energy automobile according to claim 1, is characterized in that: the circuit board (21) is also provided with a comparison module, and each parameter of the detected battery (3) is compared with each parameter of the brand-new battery (3) with the same model number and is displayed on the display screen (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920546467.4U CN210465641U (en) | 2019-04-22 | 2019-04-22 | Battery performance detection and evaluation device in new energy automobile second-hand car transaction process |
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| CN201920546467.4U CN210465641U (en) | 2019-04-22 | 2019-04-22 | Battery performance detection and evaluation device in new energy automobile second-hand car transaction process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095730A (en) * | 2019-04-22 | 2019-08-06 | 辽宁省交通高等专科学校 | Battery performance detection and assessment device during a kind of new-energy automobile Second-hand Vehicle Transaction |
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2019
- 2019-04-22 CN CN201920546467.4U patent/CN210465641U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110095730A (en) * | 2019-04-22 | 2019-08-06 | 辽宁省交通高等专科学校 | Battery performance detection and assessment device during a kind of new-energy automobile Second-hand Vehicle Transaction |
| CN110095730B (en) * | 2019-04-22 | 2024-03-29 | 辽宁省交通高等专科学校 | Battery performance detection and evaluation device in new energy automobile second-hand vehicle transaction process |
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