CN207503061U - It is a kind of to prevent the automaton that gas pressure transfinites - Google Patents
It is a kind of to prevent the automaton that gas pressure transfinites Download PDFInfo
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- CN207503061U CN207503061U CN201721484723.9U CN201721484723U CN207503061U CN 207503061 U CN207503061 U CN 207503061U CN 201721484723 U CN201721484723 U CN 201721484723U CN 207503061 U CN207503061 U CN 207503061U
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- pressure
- controller
- potentiometer
- charactron
- automaton
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Abstract
The utility model is a kind of to prevent the automaton that gas pressure transfinites, and belongs to automatic control technology field；The technical problem to be solved is that provide it is a kind of it is easy to operate, can Field adjustment release a kind of automaton of pressure value；Solve technical solution that the technical problem uses for：It is a kind of to prevent the automaton that gas pressure transfinites, turn voltage module, alarm, power module, the first potentiometer, the second potentiometer, the second charactron and second controller including pressure transmitter, solenoid valve, relay, the first charactron, the first controller, electric current, the pressure transmitter is arranged on pressure vessel, for measuring the air pressure in pressure vessel, the solenoid valve is connected by pipeline with the exhaust outlet of pressure vessel；The utility model can be widely applied to oil-gas mining field.
Description
Technical field
The utility model is a kind of to prevent the automaton that gas pressure transfinites, and belongs to automatic control technology field.
Background technology
At present, pressure sensor is typically provided on existing pressure vessel and pressure pipeline, passes through the prison of pressure sensor
It surveys, when the gas pressure inside container and pipeline is more than authorized pressure, alarm can be sent out, it is manual to notify that operating personnel carry out
Pressure adjusts and releases.Not only speed is slow, but also at the scene for this hand-guided mode, and often pressure relief device installation site is often
Close to high-pressure bottle, therefore manual operations has certain security risk.
Utility model content
The utility model is a kind of to prevent the automaton that gas pressure transfinites, overcome it is of the existing technology not
Foot, provide it is a kind of it is easy to operate, can Field adjustment release a kind of automaton of pressure value.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is：One kind prevents gas pressure from transfiniting
Automaton, turn voltage including pressure transmitter, solenoid valve, relay, the first charactron, the first controller, electric current
Module, alarm, power module, the first potentiometer, the second potentiometer, the second charactron and second controller, the pressure become
Device is sent to be arranged on pressure vessel, for measuring the air pressure in pressure vessel, the solenoid valve passes through pipeline and pressure vessel
Exhaust outlet is connected, power module turn respectively with pressure transmitter, solenoid valve, relay, the first controller, electric current voltage module and
Second controller is connected；
The input terminal that the output terminal of pressure transmitter turns voltage module with electric current is connect, and electric current turns the output terminal of voltage module
It is connect with the first input end of the first controller, the second input terminal and third input terminal of the first controller connect the first electricity respectively
The position output terminal of the device and output terminal of the second potentiometer, the control that the first output terminal of the first controller passes through relay and solenoid valve
End connection processed, the second output terminal of the first controller are connect with the first charactron, the input terminal of second controller and the second current potential
The output terminal connection of device, the output terminal of second controller are connect with the second charactron.
Further, first charactron and second charactron are 4 Digital sum pipes.
Further, the alarm is buzzer.
Further, the power output end of first controller connects respectively with first potentiometer and the second potentiometer
It connects, for first potentiometer and the power supply of the second potentiometer.
Compared with prior art, the utility model have the advantage that for：The present apparatus realizes gas in pressure vessel
Solenoid valve pressure release is automatically opened during hypertonia and makes the purpose alarmed, operating personnel is reduced and exposes frequency, improve
Production efficiency reduces security risk, and realizes the releasing pressure automatically under the arbitrary setup pressure value in actual production process
Function, in addition pressure transmitter and solenoid valve are spatially detached by pipeline in the present apparatus so that pressure tap and pressure release
The position of point can freely be arranged according to actual conditions, reduce the use limitation of the present apparatus.
Description of the drawings
The utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is the electrical block diagram of the utility model.
In figure, 1- pressure transmitters, 2- solenoid valves, 3- relays, the first charactrons of 4-, the first controllers of 5-, 6- electric currents
Turn voltage module, 7- alarms, 8- power modules, the first potentiometers of 9-, the second potentiometers of 10-, the second charactrons of 11-, 12-
Two controllers, 13- pressure vessels, 14- air inlets, 15- exhaust outlets.
Specific embodiment
As shown in Figure 1, the utility model is a kind of to prevent the automaton that gas pressure transfinites, including pressure transmitter
1st, solenoid valve 2, relay 3, the first charactron 4, the first controller 5, electric current turn voltage module 6, alarm 7, power module 8,
First potentiometer 9, the second potentiometer 10, the second charactron 11 and second controller 12, the pressure transmitter 1 are arranged on pressure
On container 13, for measuring the air pressure in pressure vessel 13, the exhaust outlet phase that the solenoid valve 2 passes through pipeline and pressure vessel 13
Even, power module 8 turns voltage module 6 and the with pressure transmitter 1, solenoid valve 2, relay 3, the first controller 5, electric current respectively
Two controllers 12 are connected；
The input terminal that the output terminal of pressure transmitter 1 turns voltage module 6 with electric current is connect, and electric current turns the defeated of voltage module 6
Outlet is connect with the first input end of the first controller 5, and the second input terminal and third input terminal of the first controller 5 connect respectively
The output terminal of the output terminal of first potentiometer 9 and the second potentiometer 10, the first output terminal of the first controller 5 pass through relay 3
It is connect with the control terminal of solenoid valve 2, the second output terminal of the first controller 5 is connect with the first charactron 4, second controller 12
Input terminal is connect with the output terminal of the second potentiometer 10, and the output terminal of second controller 12 is connect with the second charactron 11.
Further, first charactron 4 and second charactron 11 are 4 Digital sum pipes.
Further, the alarm 7 is buzzer.
Further, the power output end of first controller 9 respectively with 9 and second potentiometer 10 of the first potentiometer
Connection, for powering to 9 and second potentiometer 10 of the first potentiometer.
The working process and principle of the utility model are further illustrated：
Pressure transmitter 1 is used for detecting the atmospheric pressure value in pressure vessel 13, and be translated into the current signal of 4-20mA；
Electric current turns voltage module 6 and current signal is converted into voltage signal and is transmitted to the first controller 5.
When using the present apparatus, the pressure component of pressure transmitter 1 is mounted on pressure vessel 13, solenoid valve 2
Interface is connected with the exhaust outlet of pressure vessel 13 by pipeline, is adjusted the first potentiometer 9 setting low pressure limit value, is adjusted the second electricity
Position device 10 sets upper pressure limit value, and pressure upper lower limit value passes through numeral method.
When the air pressure increase in pressure vessel 13, the reading of pressure transmitter 1 is stepped up, when the reading is more than pressure
When upper limit value, the first controller 5 opens the pressure release since exhaust outlet 15 of solenoid valve 2 by relay 3, at this moment pressure inverting
The reading of device 1 gradually reduces, and when the reading is less than low pressure limit value, stops pressure release, the air pressure in pressure vessel passes through air inlet
Gas is pumped into mouth 14 to continue to increase, so repeatedly, by stable gas pressure between upper pressure limit value and low pressure limit value, if gas
Pressure is not or not this section, then alarm 7 is alarmed.
Pressure transmitter 1 and solenoid valve 2 are spatially realized by pipeline in the present apparatus detaches so that pressure tap and pressure release
The position of point can freely be arranged according to actual conditions.
The present apparatus can be not only used for realizing automatically controlling for steam pressure in oil shale in-situ heat injection exploitation, can also use
It is exploited in the heat injection of other petroleum resources.Meanwhile coal seam heat injection strengthen gas production, lignite heat injection dehydration upgrading be modified etc. its
He needs also play a role in the actual production of heat injection technology.
The embodiments of the utility model have been described in detail above with reference to the accompanying drawings, but the utility model is not limited to
Embodiment is stated, within the knowledge of a person skilled in the art, the utility model aims can also not departed from
Under the premise of various changes can be made.
Claims (4)
1. a kind of prevent the automaton that gas pressure transfinites, it is characterised in that：Including pressure transmitter（1）, solenoid valve
（2）, relay（3）, the first charactron（4）, the first controller（5）, electric current turn voltage module（6）, alarm（7）, power supply mould
Block（8）, the first potentiometer（9）, the second potentiometer（10）, the second charactron（11）And second controller（12）, the pressure change
Send device（1）It is arranged on pressure vessel（13）On, for measuring pressure vessel（13）Interior air pressure, the solenoid valve（2）Pass through pipe
Road and pressure vessel（13）Exhaust outlet be connected, power module（8）Respectively with pressure transmitter（1）, solenoid valve（2）, relay
（3）, the first controller（5）, electric current turn voltage module（6）And second controller（12）It is connected；
Pressure transmitter（1）Output terminal and electric current turn voltage module（6）Input terminal connection, electric current turns voltage module（6）'s
Output terminal and the first controller（5）First input end connection, the first controller（5）The second input terminal and third input terminal point
The first potentiometer is not connected（9）Output terminal and the second potentiometer（10）Output terminal, the first controller（5）The first output terminal
Pass through relay（3）With solenoid valve（2）Control terminal connection, the first controller（5）Second output terminal and the first charactron（4）
Connection, second controller（12）Input terminal and the second potentiometer（10）Output terminal connection, second controller（12）Output
End and the second charactron（11）Connection.
2. a kind of the automaton that gas pressure transfinites is prevented according to claim 1, it is characterised in that：Described
One charactron（4）With second charactron（11）It is 4 Digital sum pipes.
3. a kind of the automaton that gas pressure transfinites is prevented according to claim 1, it is characterised in that：The report
Alert device（7）For buzzer.
4. a kind of according to one of claims 1 to 3 prevents the automaton that gas pressure transfinites, feature exists
In：First controller（5）Power output end respectively with first potentiometer（9）With the second potentiometer（10）Connection,
For giving first potentiometer（9）With the second potentiometer（10）Power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721484723.9U CN207503061U (en) | 2017-11-09 | 2017-11-09 | It is a kind of to prevent the automaton that gas pressure transfinites |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721484723.9U CN207503061U (en) | 2017-11-09 | 2017-11-09 | It is a kind of to prevent the automaton that gas pressure transfinites |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207503061U true CN207503061U (en) | 2018-06-15 |
Family
ID=62503773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721484723.9U Active CN207503061U (en) | 2017-11-09 | 2017-11-09 | It is a kind of to prevent the automaton that gas pressure transfinites |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207503061U (en) |
-
2017
- 2017-11-09 CN CN201721484723.9U patent/CN207503061U/en active Active
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