CN213689911U - Automatic detection device for on-off of ignition channel - Google Patents
Automatic detection device for on-off of ignition channel Download PDFInfo
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- CN213689911U CN213689911U CN202022665034.6U CN202022665034U CN213689911U CN 213689911 U CN213689911 U CN 213689911U CN 202022665034 U CN202022665034 U CN 202022665034U CN 213689911 U CN213689911 U CN 213689911U
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Abstract
The utility model discloses an ignition channel break-make automatic detection device, which comprises an input interface, an ignition channel processing circuit, a measurement and control module and a power supply conversion circuit, wherein the measurement and control module is connected with the input interface through the ignition channel processing circuit, and the power supply conversion circuit is connected with the ignition channel processing circuit and the measurement and control module; the input interface is used for connecting ignition channel signals, and the measurement and control module is connected with an upper computer. The ignition channel on-off automatic detection is realized, the operation is simple, the use is convenient, the detection result can be completely and automatically displayed, the detection time is shortened, and the detection efficiency is improved.
Description
Technical Field
The utility model relates to an electronic test technical field, concretely relates to ignition channel break-make nature automatic checkout device.
Background
At present, the ignition control of a new generation of certain type electronic program controller reaches 16 paths, each path of ignition execution circuit adopts a solid state relay output series connection mode, and under the condition of not working at ordinary times, two groups of normally closed electromagnetic relays are used for short-circuiting an ignition lead of a semiconductor bridge electric initiator, so that the condition of leakage current and error ignition is prevented. In order to ensure that an ignition circuit terminal (namely, an electric detonator access end) of an electronic program controller is in a short circuit state when not working, a universal meter is adopted to manually perform on-off test on 16 paths respectively at present, the test process is time-consuming and labor-consuming, and the detection efficiency is low.
Disclosure of Invention
The to-be-solved technical problem of the utility model is, to the above-mentioned defect that prior art exists, provide an ignition channel break-make nature automatic checkout device, realize ignition channel break-make nature automatic checkout, easy operation, convenient to use, but the testing result full automatic display shortens check-out time, improves detection efficiency.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
an ignition channel on-off automatic detection device comprises an input interface, an ignition channel processing circuit, a measurement and control module and a power supply conversion circuit, wherein the measurement and control module is connected with the input interface through the ignition channel processing circuit; the input interface is used for connecting ignition channel signals, and the measurement and control module is connected with an upper computer.
According to the technical scheme, the power conversion circuit is a DC-DC power conversion circuit.
According to the technical scheme, the measurement and control module comprises a digital I/O module and an analog input module, and the digital I/O module and the analog input module are respectively connected with the ignition channel processing circuit.
According to the technical scheme, the ignition channel processing circuit comprises a plurality of groups of ignition channel processing units, and the ignition channel processing units are connected with the corresponding ignition channels in a one-to-one correspondence mode.
According to the technical scheme, the ignition channel processing unit comprises a resistor R1, a resistor R2, an electromagnetic relay JK1, a diode D1, a capacitor C1 and an inverter U1, wherein the anode of an ignition channel is connected with one end of a resistor R1 through an electromagnetic relay JK1 switch, the anode of one ignition channel is connected with one end of a resistor R1 through an electromagnetic relay JK1 switch, the other end of the resistor R1 is connected with +5V voltage, the cathode of the ignition channel is grounded through an electromagnetic relay JK1 switch, two ends of a control coil of the electromagnetic relay JK1 are respectively connected with the +5V voltage and the output end of the inverter, two ends of a control coil of the electromagnetic relay JK1 are connected with the diode D1 and the capacitor C1 in parallel, the input end of the inverter is connected with one end of the resistor R2, and the other end of the resistor R2 is connected with the acquisition end of the analog input.
According to the technical scheme, the number of the ignition channels is 16, and the ignition channel processing circuit comprises 16 groups of ignition channel units.
According to the technical scheme, the DC-DC power conversion circuit comprises a miniature isolation DC-DC converter, wherein the model of the miniature isolation DC-DC converter is JZFK 3-24S-5R.
According to the technical scheme, the model of the digital I/O module is NI9403, and the model of the analog input module is NI 9220.
The utility model discloses following beneficial effect has:
the utility model discloses realize ignition channel break-make nature automated inspection, easy operation, convenient to use, testing result can whole automatic display, shortens check-out time, improves detection efficiency.
Drawings
Fig. 1 is a schematic block diagram of an automatic ignition channel on-off detection device in an embodiment of the present invention;
fig. 2 is a circuit diagram of an ignition channel processing unit in the processing circuit of the ignition channel in the embodiment of the present invention;
fig. 3 is a circuit diagram of a DC-DC power conversion circuit in an embodiment of the present invention;
FIG. 4 is a schematic diagram of the input/output terminal connection of the digital I/O module according to the embodiment of the present invention;
fig. 5 is a schematic diagram of the connection of the input/output terminal of the analog input module according to the embodiment of the present invention;
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
Referring to fig. 1 to 5, the present invention provides an automatic detection device for on-off of an ignition channel in an embodiment, which includes an input interface, an ignition channel processing circuit, a measurement and control module and a power conversion circuit, wherein the measurement and control module is connected with the input interface through the ignition channel processing circuit, and the power conversion circuit is connected with the ignition channel processing circuit and the measurement and control module; the input interface is used for connecting ignition channel signals, and the measurement and control module is connected with an upper computer.
Further, the power conversion circuit is a DC-DC power conversion circuit.
Furthermore, the measurement and control module comprises a digital I/O module and an analog input module, and the digital I/O module and the analog input module are respectively connected with the ignition channel processing circuit.
Furthermore, the ignition channel processing circuit comprises a plurality of groups of ignition channel processing units, and the ignition channel processing units are connected with the corresponding ignition channels in a one-to-one correspondence manner.
Further, the ignition channel processing unit comprises a resistor R1, a resistor R2, an electromagnetic relay JK1, a diode D1, a capacitor C1 and an inverter U1, the anode of an ignition channel is connected with one end of the resistor R1 through an electromagnetic relay JK1 switch, the anode of one ignition channel is connected with one end of a resistor R1 through an electromagnetic relay JK1 switch, the other end of the resistor R1 is connected with +5V voltage, the cathode of the ignition channel is grounded through an electromagnetic relay JK1 switch, two ends of a control coil of the electromagnetic relay JK1 are respectively connected with the +5V voltage and the output end of the inverter, two ends of a control coil of the electromagnetic relay JK1 are connected with the diode D1 and the capacitor C1 in parallel, the input end of the inverter is connected with one end of the resistor R2, and the other end of the resistor R2 is connected with the acquisition end of the analog input module.
Furthermore, the number of the ignition channels is 16, and the ignition channel processing circuit comprises 16 groups of ignition channel units.
Further, the DC-DC power conversion circuit comprises a DC-DC power conversion circuit and a miniature isolation DC-DC converter, and the model of the miniature isolation DC-DC converter is JZFK 3-24S-5R.
Further, the model of the digital I/O module is NI9403, and the model of the analog input module is NI 9220.
The utility model discloses a theory of operation: in fig. 1, signals of 16 ignition channels enter an ignition channel processing circuit through an input interface, a measurement and control module is embedded into measurement and control software to control and collect the 16 ignition channel processing circuits, the correctness of results is visually displayed through an upper computer, and a DC-DC power supply conversion circuit provides corresponding working power supplies for the measurement and control module and the ignition channel control circuit.
When the digital I/O module NI9403 is not detected, TDK 1-TDK 16 of the digital I/O module NI9403 simultaneously output low level, electromagnetic relays JK 1-JK 16 do not act, when the digital I/O module NI9403 needs to be detected, the upper computer clicks to start detection, TDK 1-TDK 16 of the digital I/O module NI9403 simultaneously output high level, electromagnetic relays JK 1-JK 16 act, the positive electrode of each ignition channel is connected with a pull-up resistor of +5V and 1k omega, the negative electrode is connected with the ground, voltage is established between the positive electrode and the negative electrode of the ignition channel at the moment, and the analog input module NI9220 is used for collecting the voltage between the positive electrode and the negative electrode of each ignition channel to detect the on-off state between the positive. If the voltage drop between the anode and the cathode is less than or equal to 0.2V, the channel is proved to be communicated, and the upper computer displays the normal state; if the voltage drop between the anode and the cathode is more than 0.2V, the channel is proved to be disconnected, and the upper computer displays abnormity.
The DC-DC power supply conversion circuit is a circuit for converting 24V into 5V, an input 24V power supply is supplied to a measurement and control module through switch control, 24V power supply is supplied to an R-type DC/DC converter JZFK3-24S-5R through a filter capacitor, ripple is reduced through the filter capacitor, and 5V power supply is output and supplied to an ignition channel processing circuit.
The utility model adopts the cRIO 9038 controller to establish an embedded measurement and control platform, and realizes the automatic detection of the on-off of the ignition channel by controlling an input interface, a DC-DC power supply conversion circuit, an ignition channel control circuit, the controller cRIO 9038, a digital I/O module NI9403, an analog input module NI9220, an upper computer and software; 16 way ignition channel break-make nature automatic checkout device convenient to use, easy operation only need click the test button that begins at the host computer during use, alright carry out automated inspection to 16 way ignition channel break-make nature is whole, and the testing result shows directly perceived, and the practicality is better, and use value is high.
The above is only a preferred embodiment of the present invention, and the scope of the right of the present invention should not be limited by this, so that the equivalent changes made in the claims of the present invention still belong to the protection scope of the present invention.
Claims (8)
1. An ignition channel on-off automatic detection device is characterized by comprising an input interface, an ignition channel processing circuit, a measurement and control module and a power supply conversion circuit, wherein the measurement and control module is connected with the input interface through the ignition channel processing circuit; the input interface is used for connecting ignition channel signals, and the measurement and control module is connected with an upper computer.
2. The automatic ignition channel on-off detection device as claimed in claim 1, wherein the power conversion circuit is a DC-DC power conversion circuit.
3. The automatic detection device for the on-off of the ignition channel as claimed in claim 1, wherein the measurement and control module comprises a digital I/O module and an analog input module, and the digital I/O module and the analog input module are respectively connected with the ignition channel processing circuit.
4. The automatic ignition channel on-off detection device as claimed in claim 1, wherein the ignition channel processing circuit comprises a plurality of groups of ignition channel processing units, and the ignition channel processing units are connected with corresponding ignition channels in a one-to-one correspondence manner.
5. The automatic detection device for the on-off of the ignition channel as claimed in claim 4, wherein the ignition channel processing unit comprises a resistor R1, a resistor R2, an electromagnetic relay JK1, a diode D1, a capacitor C1 and an inverter U1, wherein the anode of the ignition channel is connected with one end of the resistor R1 through an electromagnetic relay JK1 switch, the other end of the resistor R1 is connected with +5V voltage, the cathode of the ignition channel is grounded through an electromagnetic relay JK1 switch, two ends of a control coil of the electromagnetic relay JK1 are respectively connected with +5V voltage and an output end of the inverter, two ends of a control coil of the electromagnetic relay JK1 are connected with the diode D1 and the capacitor C1 in parallel, an input end of the inverter is connected with one end of the resistor R2, and the other end of the resistor R2 is connected with an acquisition end of the analog input module.
6. The automatic detection device for the on-off of the ignition channels as claimed in claim 4, wherein the number of the ignition channels is 16, and the ignition channel processing circuit comprises 16 groups of ignition channel units.
7. The automatic detection device for the on-off of the ignition channel as claimed in claim 2, wherein the DC-DC power conversion circuit comprises a miniature isolation DC-DC converter, and the model of the miniature isolation DC-DC converter is JZFK 3-24S-5R.
8. The automatic ignition channel on-off detection device as claimed in claim 1, wherein the digital I/O module has a model number of NI9403 and the analog input module has a model number of NI 9220.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022665034.6U CN213689911U (en) | 2020-11-17 | 2020-11-17 | Automatic detection device for on-off of ignition channel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022665034.6U CN213689911U (en) | 2020-11-17 | 2020-11-17 | Automatic detection device for on-off of ignition channel |
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| CN213689911U true CN213689911U (en) | 2021-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022665034.6U Active CN213689911U (en) | 2020-11-17 | 2020-11-17 | Automatic detection device for on-off of ignition channel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115675914A (en) * | 2022-10-25 | 2023-02-03 | 航宇救生装备有限公司 | PBIT circuit for testing connection state of multi-path electric detonator |
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2020
- 2020-11-17 CN CN202022665034.6U patent/CN213689911U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115675914A (en) * | 2022-10-25 | 2023-02-03 | 航宇救生装备有限公司 | PBIT circuit for testing connection state of multi-path electric detonator |
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