CN217112647U - Lithium battery detection device - Google Patents
Lithium battery detection device Download PDFInfo
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- CN217112647U CN217112647U CN202220537659.0U CN202220537659U CN217112647U CN 217112647 U CN217112647 U CN 217112647U CN 202220537659 U CN202220537659 U CN 202220537659U CN 217112647 U CN217112647 U CN 217112647U
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 36
- 238000007599 discharging Methods 0.000 claims abstract description 17
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 13
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
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Abstract
The utility model discloses a lithium battery detection device, which comprises a battery and a main body, wherein the main body comprises a charging and discharging interface, the battery passes through the charging and discharging interface and forms a charging circuit/a discharging circuit with the main body, the main body comprises a control module, a communication module, an on-off switch, a charging module and a temperature measurement module, the control module is in communication connection with the communication module, the on-off switch and the temperature measurement module, the temperature measurement module detects the temperature of the main body and the on-off switch, the control module controls the on-off of the on-off switch and can cut off the power in time, the charging and discharging interface is electrically connected with the on-off switch and/or the charging module, the on-off switch comprises a plurality of switches which are connected in parallel, the on-off switch is electrically connected with an internal load, a power interface is arranged on the main body, and the power interface is electrically connected with the charging module, the charge and discharge detection of the lithium battery can be realized, and the detection efficiency and the use safety of the device are improved.
Description
Technical Field
The utility model relates to a lithium cell detects technical field, concretely relates to lithium cell detection device.
Background
The lithium battery is a secondary battery which depends on the movement of lithium ions between the anode and the cathode to realize charging and discharging, and has wide application in the field of power batteries, and the quality of the lithium battery influences the use experience of power equipment such as electric vehicles, electric vehicles and the like, so that the lithium battery needs to be charged and discharged for detection, so that the function normality of the lithium battery is ensured, and the use requirement is met.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a lithium battery detection device can promote the security in the detection process.
In order to achieve the above purpose, the utility model discloses a technical scheme is: a lithium battery detection device comprises a battery and a main body, wherein the main body comprises a charge-discharge interface, the battery and the main body form a charge circuit/discharge circuit through the charge-discharge interface, the main body comprises a control module, a communication module, an on-off switch, a charging module and a temperature measuring module, the control module is in communication connection with the communication module, the on-off switch and the temperature measuring module, the control module controls the on-off of the on-off switch, the charge-discharge interface is electrically connected with the on-off switch and/or the charging module, an internal load is arranged in the main body, the on-off switch comprises a plurality of switches connected in parallel, the on-off switch is electrically connected with the internal load, the main body is provided with a power supply interface, the power supply interface is electrically connected with the charging module, and the power supply interface is connected with an external power supply.
The utility model has the advantages that the temperature measurement module and the on-off switch are arranged, the temperature measurement module is used for detecting the temperature inside the on-off switch and the main body, the loss caused by overheating inside the main body is prevented, the on-off switch is used for cutting off a charging and discharging loop, the battery can be disconnected with the main body in time, the battery is prevented from being damaged, and the detection safety is improved; the charging and discharging interface, the on-off switch and the charging module are electrically connected with the power interface and the external power supply, a charging loop is formed when the battery is connected, the main body charges the battery, and the detection of the charging performance of the battery is realized; the main body is provided with an internal load which is electrically connected with the internal load through a charge-discharge interface, an on-off switch and the internal load, a discharge loop is formed when the battery is connected, and the battery discharges through the main body to realize the detection of the discharge performance of the battery; the on-off switch comprises a plurality of switches connected in parallel, the switches are not affected with each other, the on-off of different loops can be controlled, the flexibility is high, the on-off switch can be adjusted according to the capacity of the battery to be tested, and the applicability is high.
Exemplarily, the on-off switch includes a first switch and a second switch, the internal load includes a first load, the first switch is electrically connected to the charge-discharge interface and the first load, and the second switch is electrically connected to the charge-discharge interface. The first load is arranged in the main body, so that the main body can meet the most basic battery detection function under the condition that the main body is not connected with an external load, and the first switch controls the on-off of a loop where the first load is located, so that the safety of the loop is ensured.
In an example, the internal load further includes a second load, and the second switch is electrically connected to the second load. The second load sets up inside the main part, carries out the load increase to first load for the battery detection demand of different specifications can be satisfied to the main part, second switch and second load electric connection, and control module controls first switch and second switch and is closed simultaneously or closed alone, and then selects different loads to detect, and the flexibility is strong.
Illustratively, a load interface is arranged on the main body and connected with an external load, and the second switch is electrically connected with the external load. The first switch is connected with the first load, the second switch is connected with the external load, different external loads can be selected to be connected through the load interface, applicability is improved, and operation is simple and convenient.
Illustratively, the on-off switch comprises a first switch and a second switch, a load interface is arranged on the main body, the first switch and the second switch are respectively electrically connected with the load interface, and the load interface is electrically connected with an external load. The first switch and the second switch are connected with external loads, different external loads can be connected according to actual requirements, flexibility is strong, and further the first switch and the second switch can be connected with one load interface at the same time, or the first switch and the second switch are connected with different load interfaces respectively.
Illustratively, the on-off switch is electrically connected with the internal load through a fuse. Double protection is provided through the fuse, even the on-off switch can not be disconnected, and the safety is stronger.
Exemplarily, the communication module includes a WIFI/bluetooth module and an antenna disposed on the main body, and the WIFI/bluetooth module is in communication connection with the antenna. Data transmission between the main body and the external terminal is achieved through a wireless connection mode, and a user can observe the battery detection condition through terminal equipment conveniently.
Illustratively, the temperature measurement module comprises a main temperature detector and an MOS temperature detector, wherein the main temperature detector detects the temperature inside the main body, the MOS temperature detector detects the temperature of the on-off switch, and the temperature measurement module transmits the detected temperature data to the control module. Carry out omnidirectional temperature detection through temperature measurement module, the security is stronger.
Exemplarily, a communication interface is further arranged on the main body, and the communication interface is in communication connection with the control module. The communication interface is connected with the external terminal equipment and is in wired connection with the external terminal equipment, and a user can access the external terminal equipment into the communication interface to realize data transmission with the main body.
Illustratively, the charge-discharge interface is electrically connected with the on-off switch and/or the charging module through a relay. The efficiency of establishing electrical connection between the whole battery and the main body is improved through the relay.
Drawings
FIG. 1 is a schematic overall view of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the overall structure of another preferred embodiment of the present invention;
FIG. 3 is a schematic view of the overall structure of another preferred embodiment of the present invention;
FIG. 4 is a schematic view of the overall structure of another preferred embodiment of the present invention;
fig. 5 is a schematic overall structure diagram of another preferred embodiment of the present invention.
In the figure:
10-a battery; 20-a body; 201-a charging interface; 202-a discharge interface; 203-a control module; 204-a communication module; 2041-WIFI/Bluetooth module; 2042-an antenna; 205-on-off switch; 2051-first switch; 2052-second switch; 206-a charging module; 207-temperature measurement module; 2071-primary temperature detector; 2072-MOS temperature detector; 208-a load interface; 209-power interface; 210-a fuse; 301-a first load; 302-an external load; 303 — second load.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
As shown in fig. 1, the lithium battery detection device in this embodiment includes a main body 20 connected to a battery 10, where the main body 20 includes a charge and discharge interface, and the battery 10 is electrically connected to the main body 20 through the charge and discharge interface, so as to form a charge circuit and/or a discharge circuit with the main body 20.
Illustratively, the main body charge and discharge interface includes a charge interface 201 and a discharge interface 202, the main body 20 is electrically connected to the battery 10 through the charge interface 201 and the discharge interface 202, the battery 10 forms a charge loop with the main body 20 through the charge interface 201, the battery 10 is charged through the charge interface 201, at this time, the battery 10 serves as a load in the loop, the main body 20 serves as a power supply in the loop, and the main body 20 supplies power to the battery 10 to detect whether the charge function of the battery 10 is normal; the battery 10 forms a discharging loop with the main body 20 through the discharging interface 202, the battery 10 discharges through the discharging interface 202, the battery 10 serves as a power source in the loop, the main body 20 serves as a load in the loop, and the power source 10 supplies power to the main body 20 to detect whether the discharging function of the battery 10 is normal.
The main body 20 comprises a control module 203, a communication module 204, an on-off switch 205, a charging module 206 and a temperature measuring module 207, and the specific connection relationship among the modules is as follows:
the control module 203 is in communication connection with the communication module 204, the communication module 204 realizes communication connection between the main body 20 and external terminal equipment, data of the control module 203 is transmitted to the external terminal equipment through the communication module 204, the external terminal equipment can be mobile phones, computers and other equipment with a display function and/or a data collection processing function, as an example of the embodiment, the communication module 204 comprises a WIFI/bluetooth module 2041 arranged inside the main body 20 and an antenna 2042 arranged outside the main body 20, the WIFI/bluetooth module 2041 is in communication connection with the antenna 2042, and the control module 203 is connected with the WIFI/bluetooth module 2041;
the charging and discharging interface is electrically connected with the on-off switch 205 and/or the charging module 206, the control module 203 is in communication connection with the on-off switch 205 and the temperature measuring module 207, on-off signals are sent to the on-off switch 205 through the control module 203, and then on-off of the on-off switch 205 is controlled, the temperature measuring module 207 comprises a main temperature detector 2071 and an MOS temperature detector 2072, the main temperature detector 2071 is used for detecting the overall temperature inside the main body 20, the MOS temperature detector 2072 is used for detecting the temperature of the on-off switch 205, the temperature measuring module 207 transmits detected temperature data to the control module 203, when the temperature from the temperature measuring module 207 is too high, the on-off switch 205 is timely disconnected, a loop between the battery 10 and the main body 20 is cut off, spontaneous combustion or explosion inside the main body 20 caused by too high temperature is prevented, and safety is ensured.
Illustratively, the main temperature detector 2071 is a temperature sensor for detecting the temperature inside the main body 20 through a probe, and the MOS temperature detector 2072 is a temperature sensor for detecting the temperature of the on-off switch 205 through a probe.
As an example of the present embodiment, as shown in fig. 2, the on-off switch 205 includes a first switch 2051 and a second switch 2052, the internal load includes a first load 301, the main body 20 is provided with a load interface 208, the first switch 2051 is connected to the discharge interface 202 and the first load 301, the second switch 2052 is electrically connected to the load interface 208, the load interface 208 is used for connecting an external load 302, the load interface 208 is electrically connected to the first load 301, and when the external load 302 is connected, a load of a discharge loop is increased to adapt to batteries 10 with different capacities.
When the battery 10 is connected with the discharging interface 202, a discharging loop is formed, the battery 10 supplies power to the first load 301 to realize discharging of the battery 10, and if the loop is communicated, the discharging function of the battery 10 is normal; if the loops cannot be connected, it indicates that the discharge function of the battery 10 is abnormal, and the control module 203 acquires data of the first switch 2051 and transmits the data to the external terminal device through the communication module 204; when the MOS temperature detector 2072 detects that the temperature of the first switch 2051 is abnormal, a signal is sent to the control module 203, the control module 203 sends a disconnection signal to the first switch 2051, the first switch 2051 is disconnected in time, a discharge loop is cut off, and an accident caused by overheating is prevented, or when the main temperature detector 2071 detects that the temperature inside the main body 20 is abnormal, a signal is sent to the control module 203, and the control module 203 controls the first switch 2051 to be disconnected, so that the connection safety of the battery 10 and the main body 20 is ensured.
If the capacity of the battery 10 is high, in order to adapt to the discharge of the battery 10, when the first load 301 cannot meet the loop requirement, the external load 302 may be connected through the load interface 208 to increase the load of the loop, thereby increasing the application range of the body 20.
The main body 20 is provided with a power interface 209, the power interface 209 is connected with the charging module 206 and an external power supply, when the battery 10 is connected with the charging interface 201, a charging loop is formed, and the external power supply charges the battery 10 to test the charging function.
For example, the charging interface 201 is electrically connected to the charging module 206 through a relay, so that the sensitivity of the whole circuit can be improved.
Illustratively, the discharge interface 202 is electrically connected to the first switch 2051 through a relay, so as to improve the sensitivity of the whole circuit.
Exemplarily, the first switch 2051 is electrically connected to the first load 301 through the fuse 210, and the first switch 2051 is prevented from being disconnected in time through the arrangement of the fuse 210, so that a double protection effect is achieved, and the safety is improved.
Exemplarily, the second switch 2052 is electrically connected to the load interface 208 through the fuse 210, and through the arrangement of the fuse 210, when the temperature in the main body 20 is too high and the second switch 2052 cannot be disconnected in time, the fuse 210 is fused, so as to achieve a dual protection effect and improve the safety.
As an example of this embodiment, as shown in fig. 3, the internal load further includes a second load 303, the first switch 2051 is electrically connected to the first load 301, and the second switch 2052 is electrically connected to the second load 303, and the load of the main body 20 is increased by matching the first load 301 and the second load 303, so as to be suitable for batteries 10 with different specifications, and the control module 203 can selectively turn on the first switch 2051 and/or the second switch 2052 according to the capacity of the battery 10, so that the flexibility is strong.
Since the first load 301 and the second load 303 are disposed inside the main body 20, during a discharge test of the battery 10, the first load 301 generates heat and further affects a temperature inside the main body 20, so that heat dissipation components, such as heat dissipation holes and heat dissipation fans, are often required to be added on the main body 20, which increases a processing cost.
Illustratively, the first switch 2051 and the second switch 2052 are respectively connected to the load interface 208 through the fuse 210, so as to improve safety.
For example, the load interfaces 208 may be arranged according to the number of the on-off switches 205, and may be arranged in a one-to-one correspondence with the on-off switches 205, as shown in fig. 4, the first switch 2051 is electrically connected to one load interface 208, the second switch 2052 is electrically connected to one load interface 208, or the load interfaces 208 may be arranged as one, as shown in fig. 5, the on-off switches 205 are electrically connected to the load interfaces 208, and are connected to a plurality of external loads 302 through one load interface 208, so as to reduce the number of the load interfaces 208, and further reduce the area occupation of the main body 20 by the plurality of load interfaces 208, thereby achieving the miniaturization, the portability, and the convenience in use of the main body 20.
Illustratively, the main body 20 is further provided with a communication interface, the communication interface is in communication connection with the control module 203, and an external terminal device is connected with the communication interface through a data line to implement data transmission.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. The utility model provides a lithium battery detection device, includes battery and main part, and the main part includes charge-discharge interface, the battery passes through charge-discharge interface with the main part forms charge circuit/discharge circuit, its characterized in that: the main part includes control module, communication module, on-off switch, the module of charging and temperature measurement module, control module with communication module, on-off switch and temperature measurement module communication connection, control module control the break-make of on-off switch, charge-discharge interface with on-off switch and/or the module electric connection charges, be equipped with internal load in the main part, on-off switch includes a plurality of parallelly connected switches, on-off switch with internal load electric connection, be equipped with power source in the main part, power source with the module electric connection charges, power source connection external power source.
2. The lithium battery detection device of claim 1, wherein: the on-off switch comprises a first switch and a second switch, the internal load comprises a first load, the first switch is electrically connected with the charge-discharge interface and the first load, and the second switch is electrically connected with the charge-discharge interface.
3. The lithium battery detection device of claim 2, wherein: the internal load further comprises a second load, and the second switch is electrically connected with the second load.
4. The lithium battery detection device of claim 2, wherein: the main body is provided with a load interface, the load interface is connected with an external load, and the second switch is electrically connected with the external load.
5. The lithium battery detection device of claim 1, wherein: the on-off switch comprises a first switch and a second switch, a load interface is arranged on the main body, the first switch and the second switch are respectively electrically connected with the load interface, and the load interface is electrically connected with an external load.
6. The lithium battery detection device of claim 1, wherein: the on-off switch is electrically connected with the internal load through a fuse.
7. The lithium battery detection device of claim 1, wherein: the communication module comprises a WIFI/Bluetooth module and an antenna arranged on the main body, and the WIFI/Bluetooth module is in communication connection with the antenna.
8. The lithium battery detection device of claim 1, wherein: the temperature measurement module comprises a main temperature detector and an MOS temperature detector, the main temperature detector detects the temperature inside the main body, the MOS temperature detector detects the temperature of the on-off switch, and the temperature measurement module transmits detected temperature data to the control module.
9. The lithium battery detection device of claim 1, wherein: the main body is further provided with a communication interface, and the communication interface is in communication connection with the control module.
10. The lithium battery detection device of claim 1, wherein: the charging and discharging interface is electrically connected with the on-off switch and/or the charging module through a relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220537659.0U CN217112647U (en) | 2022-03-11 | 2022-03-11 | Lithium battery detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220537659.0U CN217112647U (en) | 2022-03-11 | 2022-03-11 | Lithium battery detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217112647U true CN217112647U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220537659.0U Active CN217112647U (en) | 2022-03-11 | 2022-03-11 | Lithium battery detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217112647U (en) |
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- 2022-03-11 CN CN202220537659.0U patent/CN217112647U/en active Active
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Effective date of registration: 20240624 Address after: No. 181 Jinshajiang Road, High tech Zone, Suzhou City, Jiangsu Province, 215000 Patentee after: Xingjiuke Energy (Suzhou) Co.,Ltd. Country or region after: China Address before: 181 Jinshajiang Road, science and Technology City, Suzhou high tech Zone, Suzhou City, Jiangsu Province Patentee before: PHYLION BATTERY Co.,Ltd. Country or region before: China |