CN107477610B - Igniter ignition frequency standard test device - Google Patents
Igniter ignition frequency standard test device Download PDFInfo
- Publication number
- CN107477610B CN107477610B CN201710865163.XA CN201710865163A CN107477610B CN 107477610 B CN107477610 B CN 107477610B CN 201710865163 A CN201710865163 A CN 201710865163A CN 107477610 B CN107477610 B CN 107477610B
- Authority
- CN
- China
- Prior art keywords
- resistor
- ignition frequency
- igniter
- ignition
- frequency
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23Q—IGNITION; EXTINGUISHING-DEVICES
- F23Q23/00—Testing of ignition installations
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a device for testing the standard of ignition frequency of an igniter, which comprises a shell, wherein a voltage induction element arranged near an ignition needle is arranged on the shell, the voltage induction element is connected with an ignition frequency waveform conversion circuit used for detecting the ignition frequency of the igniter and converting the ignition frequency waveform into a square wave, the ignition frequency waveform conversion circuit is connected with a CPU detection processing circuit used for calculating the square wave frequency of the ignition frequency waveform conversion circuit and judging whether the square wave frequency reaches the standard of the ignition frequency of the igniter, the CPU detection processing circuit is connected with a prompting circuit used for prompting whether the ignition frequency of the igniter reaches the standard or not, the voltage induction element is used for inducting and capturing the discharge voltage of the igniter, the square wave signal is output after voltage division and reduction, signal isolation and waveform conversion, the ignition frequency of the igniter is calculated through the CPU detection processing circuit, whether the ignition frequency reaches the standard or not is judged and is displayed through a digital screen display circuit.
Description
[ technical field ]
The invention relates to a device for testing the ignition frequency of an igniter to reach the standard.
[ background art ]
When the ignition frequency of the igniter is too low or too high, the technical requirements of the ignition frequency of the igniter are not met. However, in the existing device for testing the high-voltage ignition frequency of the household appliance and cooker, the testing circuit has poor and unstable anti-interference capability, so that the tested ignition frequency is inaccurate, and the defects of misjudgment and the like are easily caused.
[ summary of the invention ]
The invention overcomes the defects of the prior art and provides a testing device for the ignition frequency of an igniter reaching the standard, which captures the discharge voltage of the igniter through the induction of a voltage induction element, outputs a square wave signal after voltage division and reduction, signal isolation and waveform conversion, calculates the ignition frequency of the igniter through a CPU detection processing circuit, judges whether the ignition frequency reaches the standard or not and displays the ignition frequency through a digital screen display circuit.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an some firearm ignition frequency test device up to standard, including shell 1, be equipped with on shell 1 and set up in near voltage induction element 2 of ignition needle, voltage induction element 2 is connected with and is used for checking some firearm ignition frequency and makes the ignition frequency waveform conversion to the ignition frequency waveform conversion circuit 3 of square wave, ignition frequency waveform conversion circuit 3 is connected with and is used for calculating 3 square wave frequencies of ignition frequency waveform conversion circuit and judges whether square wave frequency is at the CPU detection and processing circuit 4 of some firearm ignition frequency up to standard within range, CPU detection and processing circuit 4 is connected with and is used for the suggestion whether suggestion circuit 5 up to standard of some firearm ignition frequency.
The ignition frequency waveform conversion circuit 3 comprises a voltage division module 31 connected with the voltage induction element 2, and the voltage division module 31 is sequentially connected with a signal isolation module 32 and a waveform conversion module 33.
And the voltage induction element 2 is provided with a conductive pin.
The distance between the conductive needle and the ignition needle is 2 mm to 12 mm.
The voltage dividing module 31 includes a resistor R1 connected to the voltage sensing element 2, the other end of the resistor R1 is connected to one end of the resistor R2 and one end of the resistor R3, the other end of the resistor R2 is connected to the signal isolating module 32, and the other end of the resistor R3 is grounded.
The signal isolation module 32 is a photoelectric coupler, the positive input end of the photoelectric coupler is connected with the voltage division module 31, the negative input end of the photoelectric coupler is grounded, the positive output end of the photoelectric coupler is connected with the waveform conversion module 33, and the negative output end of the photoelectric coupler is grounded.
The waveform conversion module 33 comprises a triode Q1 and a field effect transistor Q2, an emitting electrode of the triode Q1 is respectively connected with a 5V power supply, one end of a resistor R4 is connected, the other end of the resistor R4 is connected with a signal isolation module 32, a base electrode of the triode Q1 is connected with the signal isolation module 32 through a resistor R5, a collector electrode of the triode Q1 is respectively connected with one end of a capacitor C1, one end of a resistor R6 is connected, the other end of the capacitor C1 is grounded, the other end of the resistor R6 is respectively connected with one end of a resistor R7, a grid electrode of the field effect transistor Q2 is connected with a grid electrode of the field effect transistor Q7, the other end of the resistor R7 is grounded, a drain electrode of the field effect transistor Q2 is connected with the 5V power supply through a resistor R8, a capacitor C2 is connected between the drain electrode of the field effect transistor Q2 and the source electrode of the field effect transistor, and the drain electrode of the field effect transistor Q2 is an output end of an ignition frequency waveform conversion circuit 3.
The ignition frequency of the igniter reaches the standard range of 5HZ to 20 HZ.
The prompting circuit 5 is a digital screen display circuit.
The invention has the beneficial effects that:
the invention has high precision of detecting the discharge voltage of the igniter by the voltage induction element, is connected with the ignition needle in a suspending way, avoids the direct connection between the voltage induction element and the ignition needle to cause the high-voltage electricity to damage components, adopts the wire-wound power resistor to reduce the voltage, better realizes the voltage division and reduction, drives the triode by taking the photoelectric coupler as a primary buffer circuit, effectively prevents the post-stage detected signal from being interfered, improves the anti-interference capability, simultaneously has high-precision switching characteristic for the field effect tube, ensures that the output square wave signal is more stable because the switching time reaches ns level, has accurate identification capability of the rising edge and the falling edge of the square wave by the CPU detection processing circuit, and can accurately calculate the ignition frequency of the igniter.
[ description of the drawings ]
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a circuit diagram of the voltage sensing device and the ignition frequency waveform converting circuit according to the present invention.
[ detailed description of the invention ]
The following is a more detailed description of embodiments of the invention, taken in conjunction with the accompanying drawings of which:
as shown in fig. 1 and fig. 2, an igniter ignition frequency standard test device includes a housing 1, a voltage induction element 2 disposed near an ignition needle is disposed on the housing 1, the voltage induction element 2 is connected to an ignition frequency waveform conversion circuit 3 for detecting an igniter ignition frequency and converting an ignition frequency waveform into a square wave, the ignition frequency waveform conversion circuit 3 is connected to a CPU detection processing circuit 4 for calculating a square wave frequency of the ignition frequency waveform conversion circuit 3 and determining whether the square wave frequency is within a standard range of the igniter ignition frequency, the CPU detection processing circuit 4 is connected to a prompt circuit 5 for prompting whether the igniter ignition frequency is within the standard range of the igniter ignition frequency, wherein the standard range of the igniter ignition frequency is between 5HZ and 20 HZ.
The ignition frequency waveform conversion circuit 3 comprises a voltage division module 31 connected with the voltage induction element 2, wherein the voltage division module 31 is sequentially connected with a signal isolation module 32 and a waveform conversion module 33.
The voltage division module 31 comprises a resistor R1 connected with the voltage sensing element 2, the other end of the resistor R1 is connected with one end of the resistor R2 and one end of the resistor R3 respectively, the other end of the resistor R2 is connected with the signal isolation module 32, the other end of the resistor R3 is grounded, the signal isolation module 32 is a photoelectric coupler, the input positive end of the photoelectric coupler is connected with the voltage division module 31, the input negative end of the photoelectric coupler is grounded, the output positive end of the photoelectric coupler is connected with the waveform conversion module 33, the output negative end of the photoelectric coupler is grounded, the waveform conversion module 33 comprises a triode Q1 and a field effect tube Q2, the emitting electrode of the triode Q1 is connected with the 5V power supply and one end of a resistor R4 respectively, the other end of the resistor R4 is connected with the signal isolation module 32, the base electrode of the triode Q1 is connected with the signal isolation module 32 through a resistor R5, the collecting electrode of the triode Q1 is connected with one end of a capacitor C1 and one end of a resistor R6 respectively, the other end of the capacitor C1 is grounded, the other end of the resistor R6 is connected with one end of the resistor R7 and the grid of the field effect tube Q2 respectively, the drain electrode of the field effect tube is connected with the power supply through a resistor R8, and the source of the field effect tube Q2 is connected with the frequency conversion circuit, and the frequency conversion circuit is connected in parallel connection of the capacitor Q3.
The working principle is as follows:
the igniter is fixed, the igniter ignition needle is arranged near the voltage induction element 2, namely the ignition needle is connected with the voltage induction element 2 in a suspension mode, the igniter is started to conduct ignition work, intermittent high-voltage discharge is conducted on the igniter, the discharge voltage reaches 10KV-20KV, high-voltage electricity ionizes air, the voltage induction element 2 generates induction voltage, voltage division is conducted on the resistor R1 and the resistor R2 in the voltage division module 31, the discharge signal is isolated and output through the photoelectric coupler U1 of the signal isolation module 32, the triode Q1 in the waveform conversion module 33 is conducted, the field-effect tube Q2 works, a square wave signal is output to the CPU detection processing circuit 4, the CPU detection processing circuit 4 calculates the high-voltage ignition frequency of the igniter through the output square wave signal, whether the calculated ignition frequency is within the standard reaching range of 5 HZ-20 HZ or not is judged, and finally the prompting circuit 5 prompts a cover to test whether the ignition frequency of the igniter is up to the standard reaching, so that the igniter has high stability and anti-jamming capability, misjudgment can be reduced, and the consistency and reliability of products can be improved.
The voltage induction element 2 is provided with a conductive needle to better induce high-voltage discharge of the ignition needle, and the distance between the conductive needle and the ignition needle is 2 mm to 12 mm, so that the situation that components in the testing device are damaged due to too short distance between the conductive needle and the ignition needle and the detection frequency is reduced due to too far distance is avoided.
The prompt circuit 5 is a digital screen display circuit, and the test result of the igniter can be checked more visually.
Claims (5)
1. The utility model provides an some firearm ignition frequency testing arrangement up to standard which characterized in that: comprises a shell (1), a voltage induction element (2) arranged near an ignition needle is arranged on the shell (1), the voltage induction element (2) is connected with an ignition frequency waveform conversion circuit (3) which is used for detecting the ignition frequency of an igniter and converting the ignition frequency waveform into a square wave, the ignition frequency waveform conversion circuit (3) is connected with a CPU detection processing circuit (4) which is used for calculating the square wave frequency of the ignition frequency waveform conversion circuit (3) and judging whether the square wave frequency reaches the standard range of the ignition frequency of the igniter, the CPU detection processing circuit (4) is connected with a prompt circuit (5) which is used for prompting whether the ignition frequency of the igniter reaches the standard, the ignition frequency waveform conversion circuit (3) comprises a voltage division module (31) connected with a voltage sensing element (2), the voltage division module (31) is sequentially connected with a signal isolation module (32) and a waveform conversion module (33), the voltage division module (31) comprises a resistor R1 connected with the voltage sensing element (2), the other end of the resistor R1 is respectively connected with one end of a resistor R2 and one end of a resistor R3, the other end of the resistor R2 is connected with the signal isolation module (32), the other end of the resistor R3 is grounded, the signal isolation module (32) is a photoelectric coupler, the input positive end of the photoelectric coupler is connected with the voltage division module (31), the input negative end of the photoelectric coupler is grounded, and the output positive end of the photoelectric coupler is connected with the waveform conversion module (33), the negative end of the output of the photoelectric coupler is grounded, the waveform conversion module (33) comprises a triode Q1 and a field effect tube Q2, the emitting electrode of the triode Q1 is respectively connected with a 5V power supply, one end of a resistor R4 is connected, the other end of the resistor R4 is connected with a signal isolation module (32), the base electrode of the triode Q1 is connected with the signal isolation module (32) through a resistor R5, the collector electrode of the triode Q1 is respectively connected with one end of a capacitor C1 and one end of a resistor R6, the other end of the capacitor C1 is grounded, the other end of the resistor R6 is respectively connected with one end of a resistor R7 and the grid electrode of the field effect tube Q2, the other end of the resistor R7 is grounded, the drain electrode of the field effect tube Q2 is connected with the 5V power supply through a resistor R8, a capacitor C2 is connected between the drain electrode of the field effect tube Q2 and the source electrode of the field effect tube in parallel, and the drain electrode of the field effect tube Q2 is the output end of an ignition frequency waveform conversion circuit (3).
2. The igniter ignition frequency compliance testing device of claim 1, wherein: and the voltage induction element (2) is provided with a conductive pin.
3. The igniter firing frequency compliance testing device of claim 2, wherein: the distance between the conductive needle and the ignition needle is 2 mm to 12 mm.
4. The igniter ignition frequency compliance testing device of claim 1, wherein: the ignition frequency of the igniter reaches the standard range of 5HZ to 20 HZ.
5. The igniter ignition frequency compliance testing device of claim 1, wherein: the prompting circuit (5) is a digital screen display circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710865163.XA CN107477610B (en) | 2017-09-22 | 2017-09-22 | Igniter ignition frequency standard test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710865163.XA CN107477610B (en) | 2017-09-22 | 2017-09-22 | Igniter ignition frequency standard test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107477610A CN107477610A (en) | 2017-12-15 |
| CN107477610B true CN107477610B (en) | 2023-03-28 |
Family
ID=60587144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710865163.XA Active CN107477610B (en) | 2017-09-22 | 2017-09-22 | Igniter ignition frequency standard test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107477610B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844093A (en) * | 2018-08-15 | 2018-11-20 | 中山市铧禧电子科技有限公司 | A kind of test device of accurate adjustment and measurement igniter arcing distance |
| CN109579644B (en) * | 2018-10-31 | 2020-11-13 | 南京理工大学 | But continuous adjustment's clearance ignition testing arrangement |
| CN113775458B (en) * | 2021-09-15 | 2022-10-14 | 航天时代飞鹏有限公司 | Ignition frequency acquisition method of engine ignition device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860242A (en) * | 2010-05-06 | 2010-10-13 | 尤建兴 | Direct current power circuit based on inductive storage and having no electrolytic capacitor |
| CN102767456A (en) * | 2012-08-14 | 2012-11-07 | 天津斯巴克瑞汽车电子有限公司 | Special intelligent non-contact igniting detector |
| CN207214129U (en) * | 2017-09-22 | 2018-04-10 | 中山华帝电子科技有限公司 | A kind of igniter fire frequency target test device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3869275B2 (en) * | 2001-04-05 | 2007-01-17 | 株式会社日本自動車部品総合研究所 | Ion current detection device for internal combustion engine |
-
2017
- 2017-09-22 CN CN201710865163.XA patent/CN107477610B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101860242A (en) * | 2010-05-06 | 2010-10-13 | 尤建兴 | Direct current power circuit based on inductive storage and having no electrolytic capacitor |
| CN102767456A (en) * | 2012-08-14 | 2012-11-07 | 天津斯巴克瑞汽车电子有限公司 | Special intelligent non-contact igniting detector |
| CN207214129U (en) * | 2017-09-22 | 2018-04-10 | 中山华帝电子科技有限公司 | A kind of igniter fire frequency target test device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107477610A (en) | 2017-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107477610B (en) | Igniter ignition frequency standard test device | |
| CN201926735U (en) | Simple diode and triode performance tester | |
| CN105301462B (en) | Partial Discharge Measurement System and method under a kind of ns grades of surge voltage | |
| CN107315122B (en) | Fill electric pile testing arrangement | |
| CN204666773U (en) | A kind of Portable PD On-Line superfrequency and ultrasonic signal pick-up unit | |
| CN107765194B (en) | Explosion flash lamp tester | |
| CN207214129U (en) | A kind of igniter fire frequency target test device | |
| CN104515968A (en) | Calibration device for capacitor instant open/short circuit tester and calibration method | |
| CN103728482A (en) | Gas appliance flame ionization current detecting circuit and detecting method thereof | |
| CN204142685U (en) | A kind of insulator damage check instrument | |
| CN202854215U (en) | Inductive test pencil based on six-inverter integrated circuit | |
| CN207263906U (en) | A kind of flashing light tester | |
| CN110988629A (en) | Self-correcting ultrasonic wave partial discharge tester and correcting method | |
| CN203117289U (en) | Intelligent nuclear phase device used for P-type power distribution station | |
| CN102565543A (en) | Distributed capacitance detection device | |
| CN204302479U (en) | A kind of capacitor moment open-short circuit tester calibrating installation | |
| CN203759117U (en) | Power frequency output frequency detection circuit | |
| CN203827314U (en) | Contact input interface circuit | |
| CN110879037A (en) | Magnetic proximity switch detection circuit | |
| CN112305300B (en) | Voltage detection sensor and system | |
| CN210742487U (en) | Pulse photoelectric conversion device for electric energy meter electric fast transient pulse group | |
| CN210348247U (en) | Circuit control structure of MOSFET intermittent service life test system with junction temperature monitoring function | |
| CN203337592U (en) | Circuit for detecting soil moisture with time domain method | |
| CN203761365U (en) | Power frequency measuring signal conversion circuit | |
| CN210375348U (en) | Intelligent detection platform for flow meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |