CN210323849U - Intelligent junction box for recognition control of automobile stamping die - Google Patents
Intelligent junction box for recognition control of automobile stamping die Download PDFInfo
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- CN210323849U CN210323849U CN201921686721.7U CN201921686721U CN210323849U CN 210323849 U CN210323849 U CN 210323849U CN 201921686721 U CN201921686721 U CN 201921686721U CN 210323849 U CN210323849 U CN 210323849U
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Abstract
The utility model provides an automobile stamping die discernment control intelligence junction box, including intelligence junction box body and intelligent junction box circuit system, intelligence junction box body includes the junction box casing, is equipped with power source, signal detection input interface, configuration interface, heavy load output interface and information display window on the junction box casing, and intelligence junction box circuit system includes MCU, and MCU is connected with display element, shift register, RS232 interface chip and high limit switch electricity respectively. The utility model can easily set the serial number position of the pressing machine die by the hand-held programmer, thereby saving a large amount of wiring work and simplifying the equipment connection; the display function is provided, the visualization of the working mode and the press mold code is realized, and the field error check is convenient. The utility model discloses split and field installation on the way conveniently transports greatly shortens customer site installation and encoding time, ensures the reliability of equipment when shortening man-hour.
Description
Technical Field
The utility model relates to an automobile manufacturing field especially relates to an automobile stamping die identification control intelligence junction box.
Background
The conventional solution for identifying the stamping die of the automobile is to connect a sensor to a junction box, and wire jumper is carried out in the junction box by using a terminal or inside a heavy-duty connector, so that the function of identifying the die is realized. The disadvantages of this conventional approach are:
1. every automobile production field has hundreds of kinds of even thousands of kinds of moulds, the coding position of every kind of mould is different, the press that every kind of mould corresponds has 6-8, the serial number position of every mould and press in the scene all need carry out the wire jumper according to binary coding mode to make PLC detect high-low level and thus discern corresponding mould press serial number position, consequently it is a very huge wiring engineering to carry out the wire jumper to the mould press serial number position at whole automobile production field.
2. Since the sensor wiring and the die identification jumper are both in the terminal box or in the heavy-duty connector, it is very difficult to troubleshoot errors, a very specialized person is required to operate, and once a problem occurs, it is very difficult to troubleshoot errors.
3. The terminal box has large volume and affects the appearance.
Therefore, the research and development of the intelligent junction box for identifying and controlling the automobile stamping die is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the above technical problem, provide an automobile stamping die identification control intelligence junction box.
In order to solve the technical problem, the utility model discloses a technical scheme is:
an intelligent junction box for identifying and controlling an automobile stamping die comprises an intelligent junction box body and an intelligent junction box circuit system;
the intelligent junction box body comprises a junction box shell, and a power supply interface, a signal detection input interface, a configuration interface, a heavy-load output interface and an information display window are arranged on the junction box shell;
the intelligent junction box circuit system comprises an MCU (microprogrammed control unit), a shift register, an RS232 interface chip and a high-side switch, wherein the MCU is respectively electrically connected with a display unit, the shift register is electrically connected with a signal detection input interface through an isolation circuit, the RS232 interface chip is electrically connected with a configuration interface, the high-side switch is electrically connected with a heavy-load output interface, and the display unit is arranged on an information display window; the power interface is connected with an external power supply, the external power supply is converted into a +3.3V power supply through the DC/DC conversion chip after being filtered and protected by the EMC protection circuit, and the +3.3V power supply supplies power for the intelligent junction box circuit system.
Further, the configuration interface is an RS232 communication interface, and the hand-held programmer is connected to the configuration interface. The signal detection input interface is connected with a sensor, the sensor collects incoming material information, and the number of the sensors for incoming material detection and the position of the sensor collecting the incoming material information are different under different working modes.
Furthermore, the power supply interface is a 3-core M8 interface, and the interface enables the junction box to independently supply power, so that an external sensor test can be carried out without connecting a press; the signal detection input interface is a 5-core M12 interface.
Furthermore, the intelligent branching box body is provided with 10 paths of signal detection input interfaces, the configuration interface is a 4-core M8 interface, and the heavy-load output interface adopts LAPP cable digital wire cores.
Further, the MCU model is STM32F407VGT 6. The model of the DC/DC conversion chip is XR79203 EL-F. The shift register model is SN74HC 165. The model of the RS232 interface chip is MAX3232 IPWR. The high-side switch is MAX14912AKN +. The isolation circuit includes IS281GB, and the EMC protection circuit includes SMCJ30 CA. The display unit comprises a nixie tube and an LED lamp.
Furthermore, configuration information input by the handheld programmer is connected to a UART interface of the MCU through a configuration interface by an RS232 interface chip, after the communication between the handheld programmer and the MCU is established, the MCU receives a configuration instruction and analyzes the configuration instruction to obtain parameters such as working mode, press number coding and mold number coding, the parameter information is displayed in a display unit, the display unit is installed on an information display window, and the display of the working mode, the press number coding and the mold number coding enables field errors to be visual and error checking to be convenient and rapid. And meanwhile, the parameter is stored in a cache region of the MCU.
Furthermore, the signal detection input interface is connected with a sensor, the sensor collects incoming material information, and the number of the sensors for incoming material detection and the position of the sensor for collecting the incoming material information are different in different working modes. The signal detection input interface inputs a sensor signal to the isolation circuit, the shift register converts a parallel signal output by the isolation circuit into a serial signal and transmits the serial signal to the MCU through the SPI1 communication interface, the sensor input signal received by the MCU and the configuration parameter of the handheld programmer analyzed by the MCU are subjected to signal processing and logic operation, whether the incoming material is in place or not is analyzed, after the incoming material is in place, the MCU outputs a 10-bit binary mold numbering position control signal, a 3-bit binary press numbering position control signal and a 4-bit binary working mode control signal according to a set working mode, the MCU outputs the control signal and enters the high-side switch through the SPI2, and the high-side switch outputs high and low levels on a heavy-load wire core corresponding to the heavy-load output interface.
Furthermore, the PLC identifies the information such as the number position of the press, the number position of the die, the working mode and the like by detecting the high-low level signals of the heavy-load wire core, so that the corresponding press is controlled to work. The output signal current of the heavy load wire core can reach 0.5A, and each output signal has a short-circuit protection function.
The utility model has the advantages and positive effects that:
1. the utility model discloses a handheld programmer easily sets up press die serial number position setting, has saved a large amount of wiring work, simplifies the equipment connection.
2. The utility model discloses have the demonstration function, realized that mode of operation, press mold code are visual, make things convenient for on-the-spot error investigation.
3. The utility model discloses split and field installation on the way conveniently transports greatly shortens customer site installation and encoding time, ensures the reliability of equipment when shortening man-hour.
4. The utility model discloses can set up different mode, have independent power supply system moreover, can test when not connecing the press.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic block diagram of the present invention.
In the figure:
1. a power interface; 2. a signal detection input interface; 3. configuring an interface; 4. a heavy-duty output interface; 5. an information display window; 6. a junction box housing.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1-2, an intelligent junction box for identifying and controlling an automobile stamping die comprises an intelligent junction box body and an intelligent junction box circuit system; the intelligent junction box body comprises a junction box shell 6, and a power supply interface 1, a signal detection input interface 2, a configuration interface 3, a heavy-load output interface 4 and an information display window 5 are arranged on the junction box shell 6; the intelligent junction box circuit system comprises an MCU (microprogrammed control unit), a shift register, an RS232 interface chip and a high-side switch, wherein the MCU is respectively electrically connected with a display unit, the shift register is electrically connected with a signal detection input interface 2 through an isolation circuit, the RS232 interface chip is electrically connected with a configuration interface 3, the high-side switch is electrically connected with a heavy-load output interface 4, and the display unit is arranged on an information display window 5; the power interface 1 is connected with an external power supply, the external power supply is converted into a +3.3V power supply through a DC/DC conversion chip after being filtered and protected by an EMC protection circuit, and the +3.3V power supply supplies power for the intelligent junction box circuit system.
The configuration interface 3 is an RS232 communication interface and the hand-held programmer is connected to the configuration interface 3. The signal detection input interface 2 is connected with a sensor, the sensor collects incoming material information, and the number of the sensors for incoming material detection and the position of the sensor collecting the incoming material information are different under different working modes. The power interface 1 is a 3-core M8 interface, and the interface enables the junction box to independently supply power, so that an external sensor test can be performed without connecting a press; the signal detection input interface 2 is a 5-core M12 interface. The intelligent branching box body is provided with 10 paths of signal detection input interfaces 2, a configuration interface 3 is a 4-core M8 interface, and a heavy-load output interface 4 adopts LAPP cable digital wire cores.
The MCU model is STM32F407VGT 6. The model of the DC/DC conversion chip is XR79203 EL-F. The shift register model is SN74HC 165. The model of the RS232 interface chip is MAX3232 IPWR. The high-side switch is MAX14912AKN +. The isolation circuit IS designed by a conventional circuit and consists of optical couplers and other elements of IS281 GB. The EMC protection circuit is a conventional circuit design and is composed of TVS and other components of SMCJ30 CA. The display unit is designed by a conventional circuit and comprises a nixie tube and an LED lamp.
There are hundreds or even thousands of moulds in the automobile production field, different moulds are coded with different mould number positions, different moulds correspond to multiple presses, and therefore the presses are also coded with different press number positions. If a traditional solution is used, the setting of the mold number position, the press number position and the working mode is realized in a mode of terminal wiring and wire jumper in the junction box, and therefore, the wiring workload is huge. The intelligent junction box can easily realize parameter configuration: firstly, inputting an identity verification instruction of an operator in a handheld programmer to prevent misoperation of the operator, then carrying out parameter configuration such as working mode, press number coding, mold number coding and the like through the handheld programmer, and carrying out parameter configuration on an intelligent junction box, wherein the specific steps are as follows:
firstly, inputting an operator identity verification code on a handheld programmer for identity verification.
And secondly, after the identity authentication is passed, setting the mold number position on the handheld programmer. Firstly inputting a mould number position instruction, and then inputting a decimal mould number position with the range of 0-1023, wherein the mould number position corresponds to the heavy-load wire cores 30-39.
And thirdly, setting a serial number position of the press. Press number bit setting is performed on a hand-held programmer. Firstly inputting a press number bit instruction, and then inputting a decimal press number bit in the range of 0-7, wherein the press number bit corresponds to the heavy-load wire cores 40, 41 and 42.
And fourthly, setting a working mode. The operating mode setting is performed on a hand-held programmer. Firstly inputting a mould working mode instruction, and then inputting a decimal working mode with the range of 0-3. The working modes of the press die comprise a double-side production mode, a left-side production mode, a right-side production mode and other working modes. Working mode 0: when the left side and the right side are provided with parts, the press (corresponding to the heavy-load wire core 8-9-10-11) works. Working mode 1: when a left part is on the left and a right part is not on the right, the press (corresponding to the heavy-load wire core 8-9) works. The working mode 2 is as follows: when the left side has no part and the right side has a part, the press (the heavy-load wire core 10-11) works, and in addition, more working modes can be set according to the requirements.
Configuration information input by the handheld programmer is connected to a UART interface of the MCU through a configuration interface 3 by an RS232 interface chip, after the communication between the handheld programmer and the MCU is established, the MCU receives a configuration instruction and analyzes the configuration instruction to obtain parameters such as working mode, press number coding, mold number coding and the like, the parameter information is displayed in a display unit, the display unit is installed in an information display window 5, and the display of the working mode, the press number coding and the mold number coding enables field errors to be visual and error checking to be convenient and rapid. And meanwhile, the parameter is stored in a cache region of the MCU.
As shown in fig. 2, the signal detection input interface 2 is connected to a sensor, the sensor collects incoming material information, and the number of the sensors for incoming material detection and the position of the sensor collecting incoming material information are different in different working modes at different press and die number positions. The signal detection input interface 2 inputs a sensor signal to an isolation circuit, the shift register converts a parallel signal output by the isolation circuit into a serial signal and transmits the serial signal to the MCU through the SPI1 communication interface, the sensor input signal received by the MCU and the configuration parameter of the handheld programmer analyzed by the MCU perform signal processing and logic operation, whether the incoming material is in place or not is analyzed, and after the incoming material is in place, the MCU outputs a 10-bit binary mold numbering control signal, a 3-bit binary press numbering control signal and a 4-bit binary working mode control signal according to a set working mode, as shown in figure 2, the MCU outputs the control signal to enter a high-side switch through the SPI2, and the high-side switch outputs high and low levels on a heavy-load wire core corresponding to the heavy-load output interface 4, for example, the mold numbering bit is input of '1023', and all the high levels corresponding to the heavy-load wire cores 30. If the press number is "001", the corresponding heavy-duty core 40 is at high level, and the cores 41 and 42 are at low level.
The PLC identifies information such as the number position of the press, the number position of the die, the working mode and the like by detecting high and low level signals of the heavy-load wire core, so that the corresponding press is controlled to work. The output signal current of the heavy load wire core can reach 0.5A, and each output signal has a short-circuit protection function.
The intelligent junction box circuit system detects input signals through the identification sensor, outputs press mold control signals through logic operation according to press mold parameter information input by the handheld programmer, and achieves functions of press mold control, press mold information display, short circuit alarm and the like.
The utility model can easily set the serial number position of the pressing machine die by the hand-held programmer, thereby saving a large amount of wiring work and simplifying the equipment connection; different working modes can be set; the test device is provided with an independent power supply system, and can be tested when the press is not connected; the utility model has the display function, realizes the visualization of the working mode and the press mold code, and is convenient for on-site error investigation; the utility model discloses split and field installation on the way conveniently transports greatly shortens customer site installation and encoding time, ensures the reliability of equipment when shortening man-hour.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (8)
1. The utility model provides an intelligent junction box of car stamping die discernment control which characterized in that: the intelligent junction box comprises an intelligent junction box body and an intelligent junction box circuit system;
the intelligent junction box body comprises a junction box shell, and a power supply interface, a signal detection input interface, a configuration interface, a heavy-load output interface and an information display window are arranged on the junction box shell;
the intelligent junction box circuit system comprises an MCU (microprogrammed control unit), a shift register, an RS232 interface chip and a high-side switch, wherein the MCU is respectively electrically connected with a display unit, the shift register is electrically connected with a signal detection input interface through an isolation circuit, the RS232 interface chip is electrically connected with a configuration interface, the high-side switch is electrically connected with a heavy-load output interface, and the display unit is arranged on an information display window; the power interface is connected with an external power supply, and the external power supply is converted into a +3.3V power supply through the DC/DC conversion chip after passing through the EMC protection circuit.
2. The intelligent junction box for identifying and controlling the automobile stamping die as claimed in claim 1, wherein: the configuration interface is an RS232 communication interface, and the handheld programmer is connected to the configuration interface; the signal detection input interface is connected with a sensor, and the sensor collects incoming material information.
3. The intelligent junction box for identifying and controlling the automobile stamping die as claimed in claim 1 or 2, wherein: the power supply interface is a 3-core M8 interface, and the interface enables the junction box to independently supply power, so that an external sensor test can be performed without connecting a press; the signal detection input interface is a 5-core M12 interface.
4. The intelligent junction box for identifying and controlling the automobile stamping die as claimed in claim 3, wherein: this intelligence separated time box body has 10 way signal detection input interfaces, the configuration interface is 4 core M8 interfaces, heavy load output interface adopts LAPP cable digit sinle silk.
5. The intelligent junction box for identifying and controlling the automobile stamping die as claimed in claim 1, wherein: the MCU model is STM32F407VGT6, the DC/DC conversion chip model is XR79203EL-F, the shift register model is SN74HC165, the RS232 interface chip model is MAX3232IPWR, and the high-side switch model is MAX14912AKN +.
6. The intelligent junction box for identifying and controlling the automobile stamping die as claimed in claim 2, wherein: the configuration information input by the hand-held programmer is connected to the UART interface of the MCU through the configuration interface by the RS232 interface chip.
7. The intelligent junction box for identifying and controlling the automobile stamping die as claimed in claim 1 or 2, wherein: the signal detection input interface inputs a sensor signal to the isolation circuit, the shift register converts a parallel signal output by the isolation circuit into a serial signal and transmits the serial signal to the MCU through the SPI1 communication interface, the MCU outputs a 10-bit binary mold number bit control signal, a 3-bit binary press number bit control signal and a 4-bit binary working mode control signal, the MCU outputs a control signal and enters the high-side switch through the SPI2, and the high-side switch outputs high and low levels on a heavy-load wire core corresponding to the heavy-load output interface.
8. The intelligent junction box for identifying and controlling the automobile stamping die as claimed in claim 7, wherein: the PLC identifies the press number position, the die number position and the working mode information by detecting the high-low level signals of the heavy-load wire core, and controls the corresponding press to work.
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| CN201921686721.7U CN210323849U (en) | 2019-10-10 | 2019-10-10 | Intelligent junction box for recognition control of automobile stamping die |
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| CN201921686721.7U CN210323849U (en) | 2019-10-10 | 2019-10-10 | Intelligent junction box for recognition control of automobile stamping die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116093888A (en) * | 2023-04-08 | 2023-05-09 | 辰星（天津）自动化设备有限公司 | Industrial robot power module protection system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116093888A (en) * | 2023-04-08 | 2023-05-09 | 辰星（天津）自动化设备有限公司 | Industrial robot power module protection system |
| CN116093888B (en) * | 2023-04-08 | 2023-08-18 | 辰星（天津）自动化设备有限公司 | Industrial robot power module protection system |
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