CN215263923U

CN215263923U - Integrated automatic test equipment for new energy battery

Info

Publication number: CN215263923U
Application number: CN202121367458.2U
Authority: CN
Inventors: 周文忠
Original assignee: Shenzhen Connection Electronics Co ltd
Current assignee: Shenzhen Connection Electronics Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-21
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses an automatic test equipment integrates of new energy battery in the new energy battery test technical field, including independent integrated CPU module respectively, relay control module, the CPU module, the relay module is integrated respectively on the circuit board in the test equipment main part, the CPU module includes that CPU and TTL change 485 units, CPU changes 485 units and host computer communication connection through the TTL, the CPU module is connected with relay control module through keeping apart the chip, is equipped with the relay group that a plurality of groups parallel in the relay control module, the relay group is connected with test battery. The utility model discloses can dispose according to user's demand in a flexible way, realize the detection to a plurality of test battery simultaneously, very big improvement efficiency, the utility model discloses equipment structure is succinct more, and manufacturing cost is lower, changes 485 units and upper computer connection backs through the TTL simultaneously, guarantees signal transmission's stability.

Description

Integrated automatic test equipment for new energy battery

Technical Field

The utility model relates to a new energy battery test technical field, specific theory relates to an automatic test equipment integrates of new energy battery.

Background

The new energy automobile battery is a novel automobile battery which reduces the emission pollution of greenhouse gases by using a new energy technology, and the new energy automobile battery is more and more innovated along with the development of new energy automobiles. After the new energy battery is produced, the performance condition of the new energy battery determines the performance, safety and service life of the new energy automobile, so that the performance test of the new energy battery is a crucial link.

The existing test interface of the test equipment for the new energy battery is wired, a plurality of test batteries cannot be detected, and free configuration cannot be performed according to the needs of users, so that the practical range is limited; in addition, the existing test equipment is unstable in connection mode with an upper computer, and defects such as signal loss are easy to occur, so that the detection is inaccurate.

The above-mentioned drawbacks, worth improving.

Disclosure of Invention

In order to overcome the not enough of current technique, the utility model provides an automatic test equipment integrates of new energy battery.

The utility model discloses technical scheme as follows:

an integrated automatic test device of a new energy battery is characterized by comprising a CPU module and a relay control module which are respectively and independently integrated, wherein the CPU module and the relay module are respectively integrated on a circuit board in a test device main body,

the CPU module comprises a CPU and a TTL (transistor-transistor logic) to 485 unit connected with the CPU, the CPU is in communication connection with an upper computer through the TTL to 485 unit, the CPU module is connected with the relay control module through an isolation chip, a plurality of groups of parallel relay groups are arranged in the relay control module, and the relay groups are connected with the test battery.

According to above-mentioned scheme the utility model discloses, a serial communication port, the CPU module include with RTC real-time clock unit, crystal oscillator circuit that CPU is connected, RTC real-time clock unit passes through the crystal oscillator circuit with CPU connects.

Further, the TTL to 485 unit comprises an input port and an output port, the TTL to 485 unit is connected with the CPU through the input port, and the TTL to 485 unit is connected with the upper computer through the output port.

Further, the input ports comprise TXD ports and RXD ports, the output ports comprise RS485A ports and RS485B ports, and the RS485A ports and the RS485B ports are located on the test equipment body.

Further, the CPU is also connected with a three-color status indicator lamp.

Further, the input voltage is connected with the CPU through a power supply voltage conversion unit, and the input voltage is connected with the relay set through a power supply bus.

Furthermore, an IO control relay is arranged in the CPU module, and the CPU is connected with the isolation chip through the IO control relay.

According to above scheme the utility model discloses, a serial communication port, keep apart the chip and include isolation control unit and isolation feedback unit, CPU's in the CPU control module control port pass through isolation control unit with the relay is connected, the output port of relay group via isolation feedback unit with CPU's signal port is connected.

According to above-mentioned scheme the utility model discloses, a serial communication port, relay control module still includes station number dial switch, baud rate selection dial switch, station number dial switch baud rate selection dial switch respectively with CPU in the CPU module is connected.

According to above-mentioned scheme the utility model discloses, a serial communication port, relay control module still includes relay on-state pilot lamp and baud rate selection status pilot lamp, relay on-state pilot lamp with baud rate selection status pilot lamp all with the relay group CPU in the CPU module is connected.

According to the above scheme the utility model discloses, its beneficial effect lies in:

the utility model discloses a set up multiunit relay group in the relay control module, can dispose according to user's demand in a flexible way, realize the ease for use, the fast expansibility, the portability of equipment greatly, provide general, nimble, standardized automation control equipment for the user; meanwhile, the detection of a plurality of test batteries is realized, and the efficiency is greatly improved.

The utility model discloses an independent setting and integration technology of CPU module and relay control module, make the equipment structure more succinct, manufacturing cost is lower; meanwhile, the normal transmission of signals is not influenced; meanwhile, after the TTL 485 conversion unit is connected with an upper computer, the stability of signal transmission is ensured.

Drawings

FIG. 1 is a system configuration diagram of the present invention;

FIG. 2 is a diagram of the internal system structure of the present invention;

fig. 3 is a structural diagram of the main body of the testing apparatus of the present invention.

1-testing the device body; 2-RS485A port; 3-RS485B port.

Detailed Description

The invention is further described with reference to the following figures and embodiments:

as shown in figure 1, the integrated automatic testing equipment for the new energy battery comprises a CPU module and a relay control module which are independently integrated respectively, wherein the CPU module is communicated with an upper computer in a control and response closed-loop control mode, the CPU module is connected with the relay control module, the relay control module is connected with the testing battery and used for detecting various performances of the testing battery, and a detection result is sent to the upper computer through the CPU module to perform data statistics and early warning.

As shown in fig. 2, the utility model provides a CPU module includes CPU and changes 485 units, crystal oscillator circuit with the TTL that CPU is connected, and CPU changes 485 units and host computer communication through the TTL, and CPU realizes the intelligent control of equipment, and TTL changes 485 units and is used for realizing the communication of CPU and host computer, guarantees signal transmission's accuracy simultaneously, and crystal oscillator circuit is used for realizing the control of equipment clock.

The utility model provides a what CPU adopted is ARM 32 bit M3 nuclear, dominant frequency reach 72MHz, the operation speed reaches 1.25 MMIPS/MHz's instruction CPU for the control of equipment and operation process are faster, more stable, and reduce the hardware cost that equipment used.

The TTL 485 conversion unit comprises an input port and an output port, the input port comprises a TXD port and an RXD port, and the output port comprises an RS485A port and an RS485B port. Preferably, the utility model provides an embedded EIA/TIA-485 agreement of output port, it realizes two-way data transmission through differential line communication. The CPU module and the upper computer interface adopt double rows of PO and PIN, the CPU and the upper computer are independently designed, a standard protocol is adopted between the CPU and the upper computer, a control and response closed-loop control mode is adopted, the response time is determined according to the RS485 baud rate, the minimum baud rate supports 9600bps, the maximum baud rate supports 256000bps, and the station number supports 1-63.

An RTC real-time clock unit is also arranged in the CPU and is connected with the CPU through a crystal oscillator circuit.

CPU still is connected with three-colour status indicator, through three-colour indicator indicating device's operating condition. Specifically, the relationship between the state of the three-color indicator light and the state of the equipment is as follows:

and (3) bright red light: powering up but not working normally;

red flashing: in the test (the relay acts to cause electric shock danger);

the yellow lamp is on: warning (board fault).

The relay control module is internally provided with a plurality of groups of parallel relay groups, the relay groups are respectively connected with the test battery and used for testing various performances of the test battery, and different relay control and application are realized through the parallel relays. Preferably, the utility model discloses an 8 relays of group neither can increase equipment cost, the fully provided user demand simultaneously.

The connection interface of the relay control module and the CPU module adopts an XH2.54-20P terminal and an XH2.54-16P terminal, and the stability of control signal and feedback data transmission is ensured through the XH2.54-20P terminal and the XH2.54-16P terminal. An IO control relay is further arranged in the CPU module, and the CPU detects whether the state of a detection signal fed back by the relay control module is correct through the IO control relay, so that the signal acquisition of the equipment and the working stability of the equipment are ensured.

The CPU module is connected with relay control module through keeping apart the chip, the utility model discloses an keep apart the chip and carry out signal isolation to CPU and relay unit, can realize following function: (1) protecting operators and low voltage circuits from high voltages; (2) the grounding potential difference between the CPU and the relay group can be balanced; (3) the anti-noise capability of signal transmission between the CPU and the relay set can be improved, and the accuracy of signal acquisition and transmission is ensured.

Preferably, the utility model provides an keep apart the chip and include isolation control unit and isolation feedback unit, CPU in the CPU control module sends control signal to the relay group through isolation control unit, and the relay group detects the performance signal of test battery and sends to CPU via isolation feedback unit.

The relay control module also comprises a station number dial switch and a baud rate selection dial switch, wherein the station number dial switch and the baud rate selection dial switch are respectively connected with a CPU in the CPU module, the CPU controls the relay control unit to select station numbers through the adjustment of the station number dial switch, and the CPU controls the selection of the baud rate of the relay control unit through the adjustment of the baud rate selection dial switch.

The utility model discloses in, relay control module still includes dial-up status indicator lamp, relay on-state pilot lamp and baud rate selection status indicator lamp, and relay on-state pilot lamp and baud rate selection status indicator lamp all are connected with the CPU in relay group, the CPU module.

Wherein, dial state that dial state pilot lamp state corresponds respectively is:

green: the current power-on dialing station number is not changed, and the current card board uses the current station number;

green flashing: detecting that the dialing station number is changed but a new station number needs to be generated;

wherein, the relay on state pilot lamp state is:

bright: indicating that the relay corresponding to the bit number is attracted;

and (3) extinguishing: indicating that the corresponding relay is released (open).

The input voltage is connected with the CPU through the power supply voltage conversion unit, the input voltage is connected with the relay set through the power supply bus, power supply voltage management is achieved through the power supply conversion unit, and the stability of CPU power supply is guaranteed. Correspondingly, a 24V/GND connecting terminal is arranged in the relay control module, and the relay group is connected with the input voltage through the 24V/GND connecting terminal.

The utility model discloses an independent setting and integration technique of CPU module and relay control module, through adopting open, the modularization standard, the multi-purpose and the integration requirement of current new energy battery automated test have been satisfied, it can ensure that automated production's module state transmits data terminal in real time, realize quick response, handle the production in-process unusually in time through self-diagnosis, avoid the loss that unusually brings, from cost input, production efficiency, quality control, be adapted to and realize the automation scheme requirement fast such as function, reliability, cost, volume, consumption;

the utility model discloses a set up multiunit relay group in the relay control module, can dispose according to user's demand in a flexible way, greatly realize easy-to-use nature, fast expansibility, the portability of equipment. The universal, flexible and standard automatic control equipment is provided for users.

As shown in fig. 3, the CPU module and the relay module are integrated on the circuit board in the test device main body 1, and the RS485A port 2 and the RS485B port 3 are integrated on the end of the test device main body 1, so that the device integration degree is higher. Preferably, the test equipment main part is T font structure, can realize carrying out data communication with the host computer, is convenient for simultaneously to be connected with the test battery and carries out performance test.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

The above exemplary description of the present invention is made in conjunction with the accompanying drawings, and it is obvious that the present invention is not limited by the above manner, and various improvements made by the method concept and technical solution of the present invention or by directly applying the concept and technical solution of the present invention to other occasions without improvement are all within the protection scope of the present invention.

Claims

1. An integrated automatic test device of a new energy battery is characterized by comprising a CPU module and a relay control module which are respectively and independently integrated, wherein the CPU module and the relay module are respectively integrated on a circuit board in a test device main body,

2. The integrated automatic test equipment of the new energy battery according to claim 1, wherein the CPU module comprises an RTC real-time clock unit and a crystal oscillator circuit, the RTC real-time clock unit is connected with the CPU through the crystal oscillator circuit.

3. The integrated automatic test equipment of the new energy battery as claimed in claim 2, wherein the TTL to 485 unit includes an input port and an output port, the TTL to 485 unit is connected to the CPU through the input port, and the TTL to 485 unit is connected to the upper computer through the output port.

4. The integrated automatic test equipment of the new energy battery as claimed in claim 3, wherein the input ports comprise a TXD port and an RXD port, the output ports comprise an RS485A port and an RS485B port, and the RS485A port and the RS485B port are located on the test equipment body.

5. The integrated automatic testing equipment of the new energy battery as claimed in claim 2, wherein the CPU is further connected with a three-color status indicator lamp.

6. The integrated automatic test equipment of the new energy battery as claimed in claim 2, wherein an input voltage is connected with the CPU through a power supply voltage conversion unit, and the input voltage is connected with the relay group through a power supply bus.

7. The integrated automatic test equipment of the new energy battery as claimed in claim 2, wherein an IO control relay is arranged in the CPU module, and the CPU is connected with the isolation chip through the IO control relay.

8. The integrated automatic test equipment of the new energy battery as claimed in claim 1 or 7, wherein the isolation chip comprises an isolation control unit and an isolation feedback unit, a control port of the CPU in the CPU control module is connected with the relay through the isolation control unit, and an output port of the relay group is connected with a signal port of the CPU through the isolation feedback unit.

9. The integrated automatic testing equipment of the new energy battery as claimed in claim 1, wherein the relay control module further comprises a station dial switch and a baud rate selection dial switch, and the station dial switch and the baud rate selection dial switch are respectively connected with a CPU in the CPU module.

10. The integrated automatic testing equipment of the new energy battery as claimed in claim 1, wherein the relay control module further comprises a relay on-state indicator light and a baud rate selection state indicator light, and the relay on-state indicator light and the baud rate selection state indicator light are both connected with the relay group and a CPU in the CPU module.