CN215728635U - Battery chip test module - Google Patents
Battery chip test module Download PDFInfo
- Publication number
- CN215728635U CN215728635U CN202122201950.9U CN202122201950U CN215728635U CN 215728635 U CN215728635 U CN 215728635U CN 202122201950 U CN202122201950 U CN 202122201950U CN 215728635 U CN215728635 U CN 215728635U
- Authority
- CN
- China
- Prior art keywords
- chip
- pin
- battery
- test
- resistor
- 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
Landscapes
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a battery chip testing module, relates to the technical field of nickel-hydrogen battery pack testing, and solves the technical problems of long ordering period, expensive equipment and unsuitability for small-batch manufacturers of the existing testing equipment. The battery chip is connected with the test unit through the protection circuit, the test is carried out through the test unit, and the test result is displayed through the display unit. The utility model has the advantages of less element equipment, simple structure, lower development cost, good detection effect and efficiency, and can be applied to the test requirements of small-batch manufacturers on the battery electric quantity calculation chip.
Description
Technical Field
The utility model relates to the technical field of nickel-hydrogen battery finished product testing, in particular to a battery chip testing module.
Background
In recent years, as fossil fuels are less and less under the condition of large-scale development and utilization of human beings, the nickel-hydrogen battery as a novel green battery developed at the end of the 20 th century has the characteristics of high energy, long service life, no pollution and the like, and the development and utilization of the nickel-hydrogen battery are increasingly emphasized; the electric quantity of the battery is gradually consumed along with the use of the equipment, in order to reduce the accidental or premature stop of the equipment, the residual electric quantity of the battery of the equipment needs to be monitored in real time, so that the plug is timely charged or fully charged, the accident of explosion is prevented, and the electricity meter chip is a device special for monitoring the battery.
At present, some test equipment specially aiming at finished nickel-metal hydride battery packs manufactured by battery capacity computing chip manufacturers (TI) and manufactured based on a BQ2012 scheme of the battery capacity computing chip exists in the market, but the test equipment has the problems of expensive equipment, long customization period, high development cost and the like; some devices specially designed for compatibly testing various types of electric quantity chips exist on the market, but the devices are expensive due to long ordering period and are not suitable for small-batch manufacturers.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a battery chip testing module to solve the technical problems of long ordering period, expensive equipment and unsuitability for small-batch manufacturers of the existing testing equipment. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the utility model are described in detail in the following.
In order to achieve the purpose, the utility model provides the following technical scheme:
the utility model provides a battery chip testing module which is used for testing a battery chip and comprises a testing unit, a display unit and a protection circuit.
Preferably, the test unit is connected with the display unit, and both the test unit and the display unit are connected with the protection circuit; the battery chip is connected with the test unit through the protection circuit, the test is carried out through the test unit, and the test result is displayed through the display unit.
Preferably, the test unit is provided with a first chip U1; the model of the first chip U1 is P-NANOV 3.
Preferably, the display unit is provided with a second chip U2; the model of the second chip U2 is LCD 1602.
Preferably, the pin 8 of the first chip U1 is connected to the pin 3 of the second chip U2; the pin 9 of the first chip U1 is connected with the pin 4 of the second chip U2; pin 14 of the first chip U1 is connected to pin 1 of the second chip U2 and is grounded.
Preferably, the protection circuit comprises a diode D1, a diode D2, a switch SW, a resistor R1, a resistor R2 and a capacitor C; the anode of the diode D1 is connected with the pin 28 of the first chip U1, the cathode of the diode D2 and one end of the resistor R2, and the cathode of the diode D1 is connected with the pin 12 of the first chip U1, the pin 2 of the second chip U2, one end of the resistor R1 and one plate of the capacitor C; the anode of the diode D2 is connected to one end of the switch SW and grounded; the other end of the switch SW is connected to a pin 18 of the first chip U1; the other end of the resistor R1 is connected with the other end of the resistor R2; the other end of the capacitor C is grounded.
Preferably, the protection circuit further comprises an input positive terminal and an input negative terminal; the positive input end is connected with the connection point of the resistor R1 and the resistor R2, and the negative input end is grounded; the input positive end and the input negative end are used for being connected with the battery chip.
Preferably, the protection circuit includes a diode D1, a diode D2, a switch SW, a resistor R2, and a capacitor C; the anode of the diode D1 is connected with the pin 28 of the first chip U1, the cathode of the diode D2 and one end of the resistor R2, and the cathode of the diode D1 is connected with the pin 12 of the first chip U1, the pin 2 of the second chip U2, the other end of the resistor R2 and one plate of the capacitor C; the anode of the diode D2 is connected to one end of the switch SW and grounded; the other end of the switch SW is connected to a pin 18 of the first chip U1; the other end of the capacitor C is grounded.
Preferably, the protection circuit further comprises an input positive terminal and an input negative terminal; the positive input end is connected with one end of a resistor R2, and the negative input end is grounded; the input positive end and the input negative end are used for being connected with the battery chip.
Preferably, the first chip U1 further includes an input voltage Vin and a data output serial port Dout; the input voltage Vin supplies power to the first chip U1 through a USB; the data output serial port Dout is used for reading the test data stored in the first chip U1 during testing.
Preferably, the battery chip testing module further comprises a casing for packaging and protecting the testing unit, the display unit and the protection circuit.
The implementation of one of the technical schemes of the utility model has the following advantages or beneficial effects:
the battery electric quantity calculation chip is tested by arranging the test unit, the display unit and the protection circuit. Therefore, the test module has the advantages of less adopted element equipment, simple structure, lower development cost and good detection effect and efficiency, and can improve the production test efficiency of the nickel-metal hydride battery, reduce the production cost and improve the product quality; moreover, the utility model can be applied to the test requirements of small-batch manufacturers on the battery electric quantity calculation chip.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a circuit diagram of a battery chip test module according to an embodiment of the present invention;
fig. 2 is another circuit diagram of a battery chip test module according to an embodiment of the present invention.
In the figure: 1. a test unit; 2. a display unit; 3 protection circuit.
Detailed Description
In order that the objects, aspects and advantages of the present invention will become more apparent, various exemplary embodiments will be described below with reference to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary embodiments in which the utility model may be practiced. The same numbers in different drawings identify the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. It is to be understood that they are merely examples of processes, methods, apparatus, etc. consistent with certain aspects of the present disclosure as detailed in the appended claims, and that other embodiments may be used or structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the present disclosure.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," and the like are used in the orientations and positional relationships illustrated in the accompanying drawings for the purpose of facilitating the description of the present invention and simplifying the description, and do not indicate or imply that the elements so referred to must have a particular orientation, be constructed in a particular orientation, and be operated. The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The term "plurality" means two or more. The terms "coupled" and "connected" are to be construed broadly and may include, for example, a fixed connection, a removable connection, a unitary connection, a mechanical connection, an electrical connection, a communicative connection, a direct connection, an indirect connection via intermediate media, and may include, but are not limited to, a connection between two elements or an interactive relationship between two elements. The term "and/or" includes any and all combinations of one or more of the associated listed items. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to explain the technical solution of the present invention, the following description is made by way of specific examples, which only show the relevant portions of the embodiments of the present invention.
As shown in fig. 1-2, the present invention provides a battery chip testing module for testing a battery chip. Comprising a test unit 1, a display unit 2 and a protection circuit 3. Specifically, the test unit 1 is connected to the display unit 2, and both the test unit 1 and the display unit 2 are connected to the protection circuit 3. The battery chip is connected with the test unit 1 through the protection circuit 3, and is tested through the test unit 1, whether the values of the four memories including the battery chip LMD, PPD, PPU and USB are correct is tested, the values are displayed in a 10-system mode, the values are further interpreted (if the values are interpreted, what information is specifically represented by the battery can be known through comparing a chip manual), and the test result is displayed through the display unit 2, wherein the model of the battery chip is BQ 2012. The module can test finished nickel-metal hydride batteries or battery packs manufactured on the basis of the TI electric quantity chip BQ2012, and test the data inside the chip before shipment, such as the final discharge capacity of the battery, the pin state information of the battery chip and the like, so as to ensure that the data inside the chip meets the shipment requirements of customers. The module has the advantages of less adopted element equipment, simple structure and lower development cost, and can achieve good detection effect and efficiency, thereby improving the production test efficiency of the battery, reducing the production cost and improving the product quality; on the other hand, the module can also meet the test requirements of small-batch manufacturers.
Further, the test unit 1 is provided with a first chip U1, the model of the first chip U1 is P-NANOV 3; the display unit 2 is provided with a second chip U2, the second chip U2 being of the type LCD 1602. It should be noted that the first chip U1 has 30 pins, and 6 pins are used in this embodiment. The a4 analog port corresponding to the pin 8 is used as an I2C data bus in the present embodiment; the a5 analog port corresponding to pin 9 is used as an I2C clock bus in this embodiment; the pin 12 is a bidirectional power supply pin, when a 5V power supply is provided outside, the pin can be used for inputting, a battery is saved, if the battery is provided, and when the 5V power supply is not provided outside, the pin can provide the 5V power supply for the outside, and in the embodiment, the pin 12 provides the 5V power supply for the second chip U2; pin 14 is GND; the pin 18 corresponds to a system reset pin; d10 for pin 28 provides an 8-bit PWM output that can also be used as the SPI bus, in this embodiment. The second chip U2 has 4 pins, wherein pin 1 is GND, and the pin is connected to pin 14 of the first chip U1 and grounded; pin 2 is a VCC power interface, and is connected to pin 12 of the first chip U1, and a 5V operating power supply is provided through the first chip U1; the SDA corresponding to the pin 3 is an I2C data bus, is connected to the pin 8 of the first chip U1, and performs data interaction with the first chip U1; the SCL corresponding to pin 4 is an I2C clock line, is connected to pin 9 of the first chip U1, and is clocked by the first chip U1. The I2C bus is mainly used for sending the content to be displayed to the U2 screen of the second chip. The 28 th pin of the first chip U1 is mainly used for communicating with the battery, reading data of the chip (BQ2012) inside the battery, and displaying the data on the display screen of the second chip U2. It should be noted that the P-NANOV3 is very small in size, which can effectively implement the structure of the second chip U2 module, and the double-row pins can be directly inserted into the bread board and flexibly connected with other modules through dupont terminals.
Further, the first chip U1 further includes an input voltage Vin and a data output serial port Dout. The input voltage Vin is supplied with power through the USB, and a user can read test data stored in the first chip U1 (register) at the time of test through the data output serial port Dout.
As an alternative of the present embodiment, the protection circuit 3 includes a diode D1, a diode D2, a switch SW, a resistor R1, a resistor R2, and a capacitor C. Specifically, the anode of the diode D1 is connected to the pin 28 of the first chip U1, the cathode of the diode D2, and one end of the resistor R2, and the cathode of the diode D1 is connected to the pin 12 of the first chip U1, the pin 2 of the second chip U2, one end of the resistor R1, and one plate of the capacitor C; the anode of the diode D2 is connected to one end of the switch SW and grounded, the other end of the switch SW is connected to the pin 18 of the first chip U1, and the switch SW is closed to perform system reset on the first chip U1; the other end of the resistor R1 is connected with the other end of the resistor R2; the other end of the capacitor C is grounded. Further, the protection circuit 3 further includes an input positive terminal J1-1 and an input negative terminal J1-2. The input positive terminal J1-1 is connected with the connection point of the resistor R1 and the resistor R2, the input negative terminal J1-2 is grounded, and the input positive terminal J1-1 and the input negative terminal J1-2 are used for being connected with the battery chip.
As another alternative of the present embodiment, the protection circuit 3 includes a diode D1, a diode D2, a switch SW, a resistor R2, and a capacitor C. Specifically, the anode of the diode D1 is connected to the pin 28 of the first chip U1, the cathode of the diode D2, and one end of the resistor R2, and the cathode of the diode D1 is connected to the pin 12 of the first chip U1, the pin 2 of the second chip U2, the other end of the resistor R2, and one plate of the capacitor C; the anode of the diode D2 is connected to one end of the switch SW and grounded, the other end of the switch SW is connected to the pin 18 of the first chip U1, and the switch SW is closed to perform system reset on the first chip U1; the other end of the capacitor C is grounded. Further, the protection circuit 3 further comprises an input positive terminal J1-1 and an input negative terminal J1-2. The input positive terminal J1-1 is connected with one end of the resistor R2, the input negative terminal J1-2 is grounded, and the input positive terminal J1-2 and the input negative terminal J1-2 are used for being connected with a battery chip.
It should be noted that, in the embodiment, the protection circuit 3 is designed to protect the communication interface, so as to prevent static electricity from damaging the port of the test unit 1 during the test process. The diode D1, the diode D2, the resistor R2 and/or the resistor R2 play roles in overvoltage protection, voltage stabilization and voltage reduction, and the capacitor C plays a role in coupling as the connection between the first chip U1 and the second chip U2.
The battery chip testing module of the present embodiment further includes a housing (not illustrated in the figure) for packaging and protecting the testing unit 1, the display unit 2, and the protection circuit 3, and the housing can be designed to have an appearance structure by 3D printing.
To sum up, the battery chip testing module of this embodiment tests the battery power calculating chip by setting the testing unit, the display unit, and the protection circuit. Therefore, the module has the advantages of less adopted element equipment, simple structure and lower development cost, and can achieve good detection effect and efficiency, thereby improving the production test efficiency of the nickel-metal hydride battery, reducing the production cost and improving the product quality; moreover, the module can be applied to the test requirements of small-batch manufacturers on the battery electric quantity calculation chip.
While the utility model has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A battery chip test module is used for testing a battery chip and is characterized by comprising a test unit, a display unit and a protection circuit;
the test unit is connected with the display unit, and the test unit and the display unit are both connected with the protection circuit;
the battery chip is connected with the test unit through the protection circuit, the test is carried out through the test unit, and the test result is displayed through the display unit.
2. The battery chip test module according to claim 1, wherein the test unit is provided with a first chip U1;
the model of the first chip U1 is P-NANOV 3.
3. The battery chip test module according to claim 2, wherein the display unit is provided with a second chip U2;
the model of the second chip U2 is LCD 1602.
4. The battery chip test module of claim 3, wherein pin 8 of the first chip U1 is connected with pin 3 of the second chip U2;
the pin 9 of the first chip U1 is connected with the pin 4 of the second chip U2;
pin 14 of the first chip U1 is connected to pin 1 of the second chip U2 and is grounded.
5. The battery chip test module according to claim 4, wherein the protection circuit includes a diode D1, a diode D2, a switch SW, a resistor R1, a resistor R2, and a capacitor C;
the anode of the diode D1 is connected with the pin 28 of the first chip U1, the cathode of the diode D2 and one end of the resistor R2, and the cathode of the diode D1 is connected with the pin 12 of the first chip U1, the pin 2 of the second chip U2, one end of the resistor R1 and one plate of the capacitor C;
the anode of the diode D2 is connected to one end of the switch SW and grounded;
the other end of the switch SW is connected to a pin 18 of the first chip U1;
the other end of the resistor R1 is connected with the other end of the resistor R2;
the other end of the capacitor C is grounded.
6. The battery chip test module of claim 5, wherein the protection circuit further comprises an input positive terminal and an input negative terminal;
the positive input end is connected with the connection point of the resistor R1 and the resistor R2, and the negative input end is grounded;
the input positive end and the input negative end are used for being connected with the battery chip.
7. The battery chip test module according to claim 4, wherein the protection circuit includes a diode D1, a diode D2, a switch SW, a resistor R2, and a capacitor C;
the anode of the diode D1 is connected with the pin 28 of the first chip U1, the cathode of the diode D2 and one end of the resistor R2, and the cathode of the diode D1 is connected with the pin 12 of the first chip U1, the pin 2 of the second chip U2, the other end of the resistor R2 and one plate of the capacitor C;
the anode of the diode D2 is connected to one end of the switch SW and grounded;
the other end of the switch SW is connected to a pin 18 of the first chip U1;
the other end of the capacitor C is grounded.
8. The battery chip test module of claim 7, wherein the protection circuit further comprises an input positive terminal and an input negative terminal;
the positive input end is connected with one end of a resistor R2, and the negative input end is grounded;
the input positive end and the input negative end are used for being connected with the battery chip.
9. The battery chip test module of claim 2, wherein the first chip U1 further comprises an input voltage Vin and a data output serial port Dout;
the input voltage Vin supplies power to the first chip U1 through a USB;
the data output serial port Dout is used for reading the test data stored in the first chip U1 during testing.
10. The battery chip test module according to claim 1, further comprising a case for enclosing and protecting the test unit, the display unit, and the protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122201950.9U CN215728635U (en) | 2021-09-13 | 2021-09-13 | Battery chip test module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122201950.9U CN215728635U (en) | 2021-09-13 | 2021-09-13 | Battery chip test module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215728635U true CN215728635U (en) | 2022-02-01 |
Family
ID=80018740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122201950.9U Active CN215728635U (en) | 2021-09-13 | 2021-09-13 | Battery chip test module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215728635U (en) |
-
2021
- 2021-09-13 CN CN202122201950.9U patent/CN215728635U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215728635U (en) | Battery chip test module | |
| CN208224461U (en) | A kind of power consumption test device of lithium battery power supply equipment | |
| CN216013581U (en) | Battery chip test module | |
| CN212111482U (en) | Conversion operation box | |
| CN116430824A (en) | Electrostatic current testing system and method for vehicle controller | |
| CN202057774U (en) | Intelligent lithium battery baffle automatic tester | |
| CN213633756U (en) | Detection system for battery electric quantity | |
| CN109904903A (en) | Power supply device and charging method | |
| CN201489093U (en) | Battery detecting system | |
| CN207051458U (en) | A kind of cell degradation detection means | |
| CN218071067U (en) | Centralized power supply device used in diaphragm gas meter verification | |
| CN202916420U (en) | Electric quantity detecting circuit of mobile power supply | |
| CN218974800U (en) | Ammeter low-power consumption circuit and low-power consumption ammeter | |
| CN113141050A (en) | Electronic device | |
| CN211741519U (en) | Automatic PSU test system | |
| CN216285618U (en) | Device for detecting gas meter battery | |
| CN213751369U (en) | Safety tool and instrument inspection state and inspection completion reminding device | |
| CN211320519U (en) | Novel intelligent adapter | |
| CN215817622U (en) | Wall-mounted household energy storage power supply | |
| CN218601438U (en) | Lithium cell residual electricity volume integrated test device | |
| CN215867837U (en) | Device for verifying normal work of RTC chip during switching of power supply | |
| CN211879537U (en) | Drawer type lithium battery module used on instrument | |
| CN219164267U (en) | Power supply apparatus | |
| CN214380226U (en) | Portable multifunctional mobile power supply | |
| CN114062954B (en) | Battery pack service life detection charging and discharging system and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |