CN209979748U - Firing voltage comparison circuit of electronic fuse test board - Google Patents
Firing voltage comparison circuit of electronic fuse test board Download PDFInfo
- Publication number
- CN209979748U CN209979748U CN201822247386.2U CN201822247386U CN209979748U CN 209979748 U CN209979748 U CN 209979748U CN 201822247386 U CN201822247386 U CN 201822247386U CN 209979748 U CN209979748 U CN 209979748U
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- resistor
- operational amplifier
- voltage
- chip
- comparison circuit
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- 238000010304 firing Methods 0.000 title claims description 8
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The utility model provides an electronic detonator testboard's voltage comparison circuit that fires, characterized by: the circuit comprises an operational amplifier U1 and an operational amplifier U2, the in-phase end of the operational amplifier U1 is connected with one end of a resistor R2, the inverting end of the operational amplifier U1 is connected with one end of a resistor R3 and one end of a resistor R4, the other end of the resistor R1 is connected with the other end of the resistor R3 and ignition voltage, the other end of the resistor R4 and the output end of the operational amplifier U1 are connected with the in-phase end of the operational amplifier U2, the inverting end of the operational amplifier U2 is connected with comparison voltage, the output end of the operational amplifier U2 is connected with one end of a resistor R5 and the clock end of a chip 4013, the input end of the chip 4013 is connected with VCC, the output end of the chip 4013 is connected with the cathode of a light emitting diode. The utility model discloses can satisfy the test demand of electron detonator, main voltage of starting a fire satisfies the test demand when guaranteeing the test.
Description
Technical Field
The utility model relates to an electron detonator testboard, especially an ignition voltage comparison circuit of electron detonator testboard belongs to circuit check out test set technical field.
Background
The fuze is also called a fuse tube and is a detonating device. The fuze is a control device that detonates under predetermined conditions using target information and environmental information. With the development of science and technology, modern equipment usually uses an electronic fuse, and the electronic fuse needs to be overhauled regularly, so how to detect the electronic fuse quickly and conveniently becomes a problem which needs to be solved urgently. In the prior art, the electronic fuze test bench has high control requirements on the ignition voltage, and a special circuit is needed for monitoring the ignition voltage.
Disclosure of Invention
The utility model aims at overcoming the not enough of existence among the prior art, provide an ignition voltage comparison circuit of electron detonator testboard, can satisfy the test demand of electron detonator, main ignition voltage satisfies the test demand when guaranteeing the test.
According to the technical scheme provided by the utility model, the voltage comparison circuit that fires of electron fuze testboard, characterized by: the ignition indicating light-emitting diode comprises an operational amplifier U1 and an operational amplifier U2, wherein the non-inverting input end of the operational amplifier U1 is connected with one end of a resistor R2, the inverting input end of the operational amplifier U1 is connected with one end of a resistor R3 and one end of a resistor R4, the other end of the resistor R2 is connected with one end of a resistor R1 and is grounded, the other end of a resistor R1 is connected with the other end of a resistor R3 and an ignition voltage ZF, the other end of a resistor R4 and the output end of an operational amplifier U1 are connected with the non-inverting input end of an operational amplifier U2, the inverting input end of the operational amplifier U2 is connected with a comparison voltage, the output end of the operational amplifier U2 is connected with one end of a resistor R5 and the clock input end of a chip 4013, the data input end of the chip 4013 is connected with a VCC voltage, the logic positive output end of the chip 4013 is vacant, the logic negative output end of the chip 401, the other end of the resistor R6 is connected to the other end of the resistor R5.
Further, the positive power supply terminal and the negative power supply terminal of the operational amplifier U1 are connected to a voltage of 12V.
Further, the comparison voltage adopts 9V voltage.
Further, the chip 4013 further has a reset terminal and a ground terminal.
The voltage comparison circuit that fires of electron detonator testboard can satisfy the test demand of electron detonator, and main voltage that fires when guaranteeing the test satisfies the test demand.
Drawings
Fig. 1 is a schematic diagram of an ignition voltage comparison circuit of the electronic fuse test board of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the ignition voltage comparison circuit of the electronic fuze test platform of the present invention includes an operational amplifier U1 and an operational amplifier U2, the positive power terminal and the negative power terminal of the operational amplifier U1 are connected to a 12V voltage, the non-inverting input terminal of the operational amplifier U1 is connected to one terminal of a resistor R2, the inverting input terminal of the operational amplifier U1 is connected to one terminal of a resistor R3 and one terminal of a resistor R4, the other terminal of the resistor R2 is connected to one terminal of a resistor R1 and grounded, the other terminal of the resistor R1 is connected to the other terminal of a resistor R3 and an ignition voltage ZF, the other terminal of the resistor R4 and the output terminal of the operational amplifier U1 are connected to the non-inverting input terminal of the operational amplifier U2, the inverting input terminal of the operational amplifier U2 is connected to a 9V voltage, the output terminal of the operational amplifier U2 is connected to one terminal of the resistor R5 and the clock input terminal of, the logic negative output end of the chip 4013 is connected with the negative electrode of the main ignition indicating light emitting diode D1, the positive electrode of the main ignition indicating light emitting diode D1 is connected with one end of the resistor R6, and the other end of the resistor R6 is connected with the other end of the resistor R5.
The chip 4013 further has a reset terminal and a ground terminal.
The operating principle of the voltage comparison circuit that fires of electron detonator testboard carries out the comparison with the 9V voltage firing voltage signal, and is qualified when "main voltage of firing" is greater than or equal to 9V, and the pilot lamp that fires mainly lights this moment, and main voltage of firing satisfies the test demand when guaranteeing the test, satisfies the test demand of electron detonator.
Claims (4)
1. An ignition voltage comparison circuit of an electronic fuse test board is characterized in that: the ignition indicating light-emitting diode comprises an operational amplifier U1 and an operational amplifier U2, wherein the non-inverting input end of the operational amplifier U1 is connected with one end of a resistor R2, the inverting input end of the operational amplifier U1 is connected with one end of a resistor R3 and one end of a resistor R4, the other end of the resistor R2 is connected with one end of a resistor R1 and is grounded, the other end of a resistor R1 is connected with the other end of a resistor R3 and an ignition voltage ZF, the other end of a resistor R4 and the output end of an operational amplifier U1 are connected with the non-inverting input end of an operational amplifier U2, the inverting input end of the operational amplifier U2 is connected with a comparison voltage, the output end of the operational amplifier U2 is connected with one end of a resistor R5 and the clock input end of a chip 4013, the data input end of the chip 4013 is connected with a VCC voltage, the logic positive output end of the chip 4013 is vacant, the logic negative output end of the chip 401, the other end of the resistor R6 is connected to the other end of the resistor R5.
2. The firing voltage comparison circuit of an electronic fuze test stand according to claim 1, wherein: the positive power supply end and the negative power supply end of the operational amplifier U1 are connected with 12V voltage.
3. The firing voltage comparison circuit of an electronic fuze test stand according to claim 1, wherein: the comparison voltage adopts 9V voltage.
4. The firing voltage comparison circuit of an electronic fuze test stand according to claim 1, wherein: the chip 4013 further has a reset terminal and a ground terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247386.2U CN209979748U (en) | 2018-12-29 | 2018-12-29 | Firing voltage comparison circuit of electronic fuse test board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822247386.2U CN209979748U (en) | 2018-12-29 | 2018-12-29 | Firing voltage comparison circuit of electronic fuse test board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209979748U true CN209979748U (en) | 2020-01-21 |
Family
ID=69250911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822247386.2U Expired - Fee Related CN209979748U (en) | 2018-12-29 | 2018-12-29 | Firing voltage comparison circuit of electronic fuse test board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209979748U (en) |
-
2018
- 2018-12-29 CN CN201822247386.2U patent/CN209979748U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 |