CN204312821U - A kind of high-speed pulse control valve device - Google Patents
A kind of high-speed pulse control valve device Download PDFInfo
- Publication number
- CN204312821U CN204312821U CN201420485258.0U CN201420485258U CN204312821U CN 204312821 U CN204312821 U CN 204312821U CN 201420485258 U CN201420485258 U CN 201420485258U CN 204312821 U CN204312821 U CN 204312821U
- Authority
- CN
- China
- Prior art keywords
- speed pulse
- processing unit
- signal processing
- signal
- high speed
- 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.)
- Expired - Fee Related
Links
Landscapes
- Magnetically Actuated Valves (AREA)
Abstract
A kind of high-speed pulse control valve device, is characterized in that: described high-speed pulse control valve device, comprises signal generator, signal processing unit, temperature sensor signal amplification regulon, high speed pulse valve; Signal generator is connected with signal processing unit, and temperature sensor signal amplifies regulon and is connected with signal processing unit and high speed pulse valve respectively.Described signal processing unit adopts single-chip microcomputer as main control unit.Instrument accepts outside trigger signal, is postponing and amplifying through amplifier after pulse-width controlled to export to high speed pulse valve to trigger signal.System has a set of temperature-voltage negative-feedback circuit, suitably can finely tune the voltage of sentinel valve output, reached the stable object exporting tolerance according to current temperature.Advantage of the present utility model: can make the gas pulses ripple disable in high speed pulse valve, increases the degree of accuracy of experimental result, and structure is simple, low cost of manufacture.
Description
Technical field
The utility model belongs to air pressure control technique field, is specifically related to a kind of high-speed pulse control valve device.
Background technique
To need the carrier gas of sample, with very narrow high pressure gas pulse, about 50-100us, to be discharged in vacuum cavity in a lot of physical experiment apparatus, therefore, except needing solenoid valve at a high speed, also need the high-speed pulse valve control matched.High-speed pulse valve control, complex structure, price is higher, and maintenance is more difficult, and working life is short.
Summary of the invention
The purpose of this utility model is the defect existed to overcome prior art, and spy provides a kind of with low cost, the high speed pulse valve control device that structure is simple, maintenance cost is low.
The utility model provides a kind of high-speed pulse control valve device, it is characterized in that: described high-speed pulse control valve device, comprises signal generator 1, signal processing unit 2, temperature sensor signal amplification regulon 3, high speed pulse valve 4;
Signal generator 1 is connected with signal processing unit 2, and temperature sensor signal amplifies regulon 3 and is connected with signal processing unit 2 and high speed pulse valve 4 respectively.
Described signal processing unit 2 adopts single-chip microcomputer as main control unit.
Described high-speed pulse control valve device, also comprises temperature-voltage negative-feedback circuit 5 and current-limiting protection circuit 6; Temperature-voltage negative-feedback circuit 5 and current-limiting protection circuit 6 are connected to temperature sensor signal and amplify between regulon 3 and high speed pulse valve 4.
Signal processing unit accepts the trigger signal coming from signal generator; then use single-chip microcomputer to do trigger signal to postpone and pulse-width controlled; eventually pass amplifier amplification and export to high speed pulse valve, export and have temperature-voltage negative-feedback circuit and current-limiting protection circuit.
The high speed pulse valve control device that the utility model provides, use single-chip microcomputer to carry out digital processing to trigger signal, have temperature reverse feedback function, output voltage is controlled.
Advantage of the present utility model:
High-speed pulse control valve device described in the utility model, can make the gas pulses ripple disable in high speed pulse valve, increases the degree of accuracy of experimental result, and structure is simple, low cost of manufacture.
Accompanying drawing explanation
Fig. 1 is the structural representation of high-speed pulse control valve device.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further details.
Embodiment 1
Present embodiments provide a kind of high-speed pulse control valve device, it is characterized in that: described high-speed pulse control valve device, comprise signal generator 1, signal processing unit 2, temperature sensor signal amplification regulon 3, high speed pulse valve 4;
Signal generator 1 is connected with signal processing unit 2, and temperature sensor signal amplifies regulon 3 and is connected with signal processing unit 2 and high speed pulse valve 4 respectively.
Described signal processing unit 2 adopts single-chip microcomputer as main control unit.
Described high-speed pulse control valve device, also comprises temperature-voltage negative-feedback circuit 5 and current-limiting protection circuit 6; Temperature-voltage negative-feedback circuit 5 and current-limiting protection circuit 6 are connected to temperature sensor signal and amplify between regulon 3 and high speed pulse valve 4.
Signal processing unit accepts the trigger signal coming from signal generator; then use single-chip microcomputer to do trigger signal to postpone and pulse-width controlled; eventually pass amplifier amplification and export to high speed pulse valve, export and have temperature-voltage negative-feedback circuit and current-limiting protection circuit.
Accept outside trigger signal, postponing trigger signal and amplifying through amplifier after pulse-width controlled to export to high speed pulse valve.System has a set of temperature-voltage negative-feedback circuit, suitably can finely tune the voltage of sentinel valve output according to the temperature in current PRF valve, to reach the stable object exporting tolerance.When unit temp raises, output voltage reduces, otherwise heightens.Namely opening speed and the opening time of sentinel valve are changed.
Adopt single-chip microcomputer to carry out the time-oriented sequential control of numeral to trigger signal, substantially increase time sequence precision and the scope reducing error; Can make the gas pulses ripple disable in high speed pulse valve, increase the degree of accuracy of experimental result, structure is simple, low cost of manufacture.
Claims (3)
1. a high-speed pulse control valve device, it is characterized in that: described high-speed pulse control valve device, comprise signal generator (1), signal processing unit (2), temperature sensor signal amplification regulon (3), high speed pulse valve (4);
Signal generator (1) is connected with signal processing unit (2), and temperature sensor signal amplifies regulon (3) and is connected with signal processing unit (2) and high speed pulse valve (4) respectively.
2. according to high-speed pulse control valve device according to claim 1, it is characterized in that: described signal processing unit (2) adopts single-chip microcomputer as main control unit.
3. according to high-speed pulse control valve device according to claim 1, it is characterized in that: described high-speed pulse control valve device, also comprise temperature-voltage negative-feedback circuit (5) and current-limiting protection circuit (6); Temperature-voltage negative-feedback circuit (5) and current-limiting protection circuit (6) are connected to temperature sensor signal and amplify between regulon (3) and high speed pulse valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485258.0U CN204312821U (en) | 2014-08-26 | 2014-08-26 | A kind of high-speed pulse control valve device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420485258.0U CN204312821U (en) | 2014-08-26 | 2014-08-26 | A kind of high-speed pulse control valve device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312821U true CN204312821U (en) | 2015-05-06 |
Family
ID=53135139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420485258.0U Expired - Fee Related CN204312821U (en) | 2014-08-26 | 2014-08-26 | A kind of high-speed pulse control valve device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204312821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840904A (en) * | 2016-06-14 | 2016-08-10 | 中国人民解放军国防科学技术大学 | High-speed repetitive pulse type radial flow trace gas supply valve |
-
2014
- 2014-08-26 CN CN201420485258.0U patent/CN204312821U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840904A (en) * | 2016-06-14 | 2016-08-10 | 中国人民解放军国防科学技术大学 | High-speed repetitive pulse type radial flow trace gas supply valve |
| CN105840904B (en) * | 2016-06-14 | 2017-11-28 | 中国人民解放军国防科学技术大学 | High speed repetition pulse formula Radial Flow minimum gas supply valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB201200627D0 (en) | Pre-distortion in RF path in combination with shaping table in envelope path for envelope tracking amplifier | |
| CN102570296A (en) | Drive circuit of laser diode | |
| CN104330120A (en) | Flow rate detection method for low-energy-consumption ultrasonic flow rate meter and system | |
| CN204312821U (en) | A kind of high-speed pulse control valve device | |
| CN203117092U (en) | Infrared gas detecting module with temperature compensation function | |
| CN202255641U (en) | Temperature warning direct-current circuit | |
| CN103529096B (en) | Partial pressure of oxygen sensor signal processing circuit | |
| CN203023592U (en) | Novel controller device of high speed pulse valve | |
| CN203981772U (en) | The marking current pick-up unit of OLED CELL checkout equipment | |
| CN103869863B (en) | Sensor conditioning circuit | |
| CN104155508A (en) | Signal current detection device and method of OLED CELL detection equipment | |
| CN104931136A (en) | Wide pulse triggering-based phase-shift type high-sensitivity infrared detection system | |
| CN205247229U (en) | Device of gaseous decompression of pulsewidth modulation | |
| CN203826926U (en) | Internal circuit of undervoltage release | |
| CN102979940A (en) | Novel controller for high-speed pulse valve | |
| CN206505122U (en) | A kind of isolation voltage sample circuit | |
| CN203788501U (en) | Time multiplication signal generation circuit | |
| CN102539898B (en) | Adjustable pulse width current generation and detection circuit | |
| CN204290893U (en) | Resistance-capacitance coupling voltage amplifier | |
| CN201955363U (en) | Pulse width adjustable current generation and detection circuit | |
| CN104506153A (en) | Rapid forming processing circuit for neutron probe of 3He tube | |
| CN204065209U (en) | A kind of electric current isolation detection circuit | |
| CN204349929U (en) | A kind of S-band wideband power amplifer device | |
| CN204613667U (en) | A kind of digitizing isolated amplifier | |
| CN205081774U (en) | Difference intermediate frequency receiver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150506 Termination date: 20190826 |