CN210344467U - Novel valve controller - Google Patents
Novel valve controller Download PDFInfo
- Publication number
- CN210344467U CN210344467U CN201920954397.6U CN201920954397U CN210344467U CN 210344467 U CN210344467 U CN 210344467U CN 201920954397 U CN201920954397 U CN 201920954397U CN 210344467 U CN210344467 U CN 210344467U
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- main control
- control module
- circuit
- valve
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Abstract
The utility model relates to a novel valve controller, a main control module; the display module is connected with the main control module and is used for displaying the running state of the valve; the flow metering module is connected with the main control module and is used for metering the flow of the valve; the IC card module is connected with the main control module and used for reading the IC card information and sending the read data to the main control module; the keyboard input module is connected with the main control module and is used for inputting a valve control instruction; the infrared receiving module is connected with the main control module and used for receiving infrared rays and feeding back a received signal to the main control module; the leakage detection module is connected with the main control module and used for detecting methane gas leakage; the valve control module is connected with the main control module and used for receiving the instruction of the main control module to drive the valve to open or close; and the communication module is connected with the main control module and is used for communicating with an upper computer.
Description
Technical Field
The utility model belongs to the technical field of the valve, concretely relates to novel valve controller.
Background
The valve controller is a product matched with the valve electric device for use, is used for controlling the opening and closing of the electric valve, and can realize the remote control of the electric valve in a control room. When a natural gas pipeline leaks, if the situation that the valve is closed to prevent natural gas from further leaking is not found in time, the concentration of the natural gas gradually rises, accidents are easy to happen, a valve controller in the prior art cannot detect leakage of the natural gas, therefore, detection needs to be carried out by means of other instruments after the natural gas leaks, and the valve is manually controlled to be closed by a control room after the natural gas leaks, so that time is long from finding leakage to closing the valve, and dangers are easy to happen.
Disclosure of Invention
To the not enough that exists among the prior art, the utility model provides a promote safety in utilization's novel valve controller.
The technical scheme of the utility model is that: novel valve controller includes:
a main control module;
the display module is connected with the main control module and is used for displaying the running state of the valve;
the flow metering module is connected with the main control module and is used for metering the flow of the valve;
the IC card module is connected with the main control module and used for reading IC card information and sending the read data to the main control module;
the keyboard input module is connected with the main control module and is used for manually inputting a valve control instruction;
the infrared receiving module is connected with the main control module and used for receiving infrared rays and feeding back a received signal to the main control module;
the leakage detection module is connected with the main control module and is used for detecting methane gas leakage;
the valve control module is connected with the main control module and used for receiving the instruction of the main control module to drive the valve to open or close;
the communication module is connected with the main control module and is used for communicating with an upper computer;
and the power supply module is used for supplying power to each module.
The leakage detection module is provided with an A/D conversion circuit connected with the main control module, a filter circuit connected with the A/D conversion circuit, a signal conditioning circuit connected with the filter circuit and a methane sensor connected with the signal conditioning circuit.
The flow metering module is provided with an ultrasonic transmitting module and an ultrasonic receiving module, the ultrasonic transmitting module is connected with the main control module, a primary amplifying circuit is connected onto the ultrasonic receiving module, a band-pass filter circuit is connected onto the primary amplifying circuit, a secondary amplifying circuit is connected onto the band-pass filter circuit, and the secondary amplifying circuit is connected with the main control module.
The valve control module is provided with a relay, and the main control module controls the opening and closing of the relay.
Above-mentioned novel valve controller still includes bee calling organ, bee calling organ with host system is connected, is used for reveal detection module send out the police dispatch newspaper when detecting methane reveals.
The power supply module is provided with a first voltage reduction circuit and a second voltage reduction circuit, the first voltage reduction circuit is a circuit for converting 220V into 24V, the second voltage reduction circuit is a circuit for converting 24V into 5V, and the first voltage reduction circuit supplies power to the second voltage reduction circuit.
The communication module is provided with an M-BUS interface, a UART interface or an RS485 interface.
The display module is an LCD display screen.
The keyboard input module is provided with at least two tact switches.
The utility model has the advantages that: firstly, the utility model can detect whether the natural gas pipeline has leakage through the detection module, and can close the valve through the valve control module when detecting the leakage, thereby avoiding the natural gas from continuing to leak, causing accidents and improving the safety; secondly, the communication module can be communicated with an upper computer to monitor the state of the valve in real time, and the upper computer can control the opening and closing of the valve; in addition, the running state of the valve can be displayed in real time through the display module, and field maintenance personnel can conveniently maintain the valve.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Fig. 2 is a schematic block diagram of the middle leakage detection module of the present invention.
Fig. 3 is a circuit diagram of a middle stage amplifying circuit of the present invention.
Fig. 4 is a circuit diagram of the middle band-pass filter circuit of the present invention.
Fig. 5 is a circuit diagram of the middle-stage and second-stage amplifying circuit of the present invention.
Fig. 6 is a circuit diagram of the buzzer circuit of the present invention.
Fig. 7 is a circuit diagram of a 24V to 5V circuit according to the present invention.
Detailed Description
The following describes the embodiments of the present invention with reference to the drawings and examples.
The novel valve controller of fig. 1, comprising: a main control module; the display module is connected with the main control module and is used for displaying the running state of the valve, wherein the running state comprises but is not limited to the daily flow, the total flow and the like of the valve; the flow metering module is connected with the main control module and is used for metering the flow of the valve; the IC card module is connected with the main control module and used for reading the IC card information and sending the read data to the main control module; the keyboard input module is connected with the main control module and is used for manually inputting a valve control instruction; the infrared receiving module is connected with the main control module and used for receiving infrared rays and feeding back a received signal to the main control module; the leakage detection module is connected with the main control module and used for detecting methane gas leakage; the valve control module is connected with the main control module and used for receiving the instruction of the main control module to drive the valve to open or close; the communication module is connected with the main control module and is used for communicating with an upper computer; and the power supply module is used for supplying power to each module.
Further, as shown in fig. 2, the leakage detection module has an a/D conversion circuit connected to the main control module, a filter circuit connected to the a/D conversion circuit, a signal conditioning circuit connected to the filter circuit, and a methane sensor connected to the signal conditioning circuit, wherein the methane sensor should be a GJC4 type low-concentration methane sensor, and can detect methane leakage in time, and output a weak electrical signal proportional to the concentration of methane gas, the signal conditioning circuit sends the weak electrical signal to obtain a strong analog voltage signal and sends the strong analog voltage signal to the filter circuit, the filter circuit removes the unwanted frequency in the received analog voltage signal and sends the strong analog voltage signal to the a/D conversion circuit, and the a/D conversion circuit converts the received analog signal into a digital signal and inputs the digital signal to the main control module for processing.
Further, the flow metering module has an ultrasonic transmitting module and an ultrasonic receiving module, the ultrasonic transmitting module is connected with the main control module, the ultrasonic receiving module is connected with a primary amplifying circuit, as shown in fig. 3, wherein the US1 end is connected with the output end of the ultrasonic receiver, the primary amplifying circuit is connected with a band-pass filter circuit, as shown in fig. 4, the output end US2 of the primary amplifying circuit is connected with the input end of the band-pass filter circuit, the band-pass filter circuit is connected with a secondary amplifying circuit, as shown in fig. 5, the output end US3 of the band-pass filter circuit is connected with the input end of the secondary amplifying circuit, the output end 6 of the secondary amplifying circuit is connected with the counter of the main control module, the main control module sends a start signal to the ultrasonic transmitting module, the ultrasonic transmitting module controls the ultrasonic transducer to transmit ultrasonic pulses, after receiving the pulse signal, the ultrasonic receiving module returns a part of the pulse signal to the ultrasonic sending module to send the ultrasonic again, and the other part of the pulse signal enters the frequency division circuit to carry out frequency division. After the determined number of pulses is completed, a square wave is generated by the frequency divider to stop counting of the counter, the time of downstream propagation can be obtained in the process, the time of upstream propagation is obtained in the same mode and is sent to the main control module through the serial port, the main control module processes time signals, and the flow rate and the flow are displayed and processed on the display module.
Furthermore, the valve control module is provided with a relay, the main control module controls the opening and closing of the relay, and the opening or closing of the valve is controlled through the contact switching of the relay.
R2 and R1 are both current limiting resistors. further, the novel valve controller further comprises a buzzer, as shown in fig. 6, the buzzer is connected with the I/O port of the main control module, and is used for giving an alarm when the leakage detection module detects methane leakage, specifically, after the leakage detection module detects methane gas, the leakage signal is sent to the main control module, the main control module receives the leakage signal and then is connected with the buzzer to output the I/O port high level, the triode is connected, the buzzer gives an alarm sound, the light emitting diode gives an optical indication signal, wherein, R3
Furthermore, the power supply module has a first voltage reduction circuit and a second voltage reduction circuit, the first voltage reduction circuit is a 220V to 24V circuit, any one of the switching power supplies disclosed in the prior art can be selected, the second voltage reduction circuit is a 24V to 5V circuit, as shown in fig. 7, the first voltage reduction circuit supplies power to the second voltage reduction circuit, and the second voltage reduction circuit supplies power to the controller.
Furthermore, the communication module is provided with an M-BUS interface, a UART interface or an RS485 interface, and the main control module communicates with the upper computer in any one of the communication modes of the M-BUS interface, the UART interface and the RS485 interface. The display module is an LCD display screen. The keyboard input module is at least provided with two tact switches, and the number of the tact switches can be increased according to actual requirements. The main control module is provided with an 80C52 singlechip and a singlechip minimum system formed by the singlechip minimum system.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A novel valve controller, comprising:
a main control module;
the display module is connected with the main control module and is used for displaying the running state of the valve;
the flow metering module is connected with the main control module and is used for metering the flow of the valve;
the IC card module is connected with the main control module and used for reading IC card information and sending the read data to the main control module;
the keyboard input module is connected with the main control module and is used for manually inputting a valve control instruction;
the infrared receiving module is connected with the main control module and used for receiving infrared rays and feeding back a received signal to the main control module;
the leakage detection module is connected with the main control module and is used for detecting methane gas leakage;
the valve control module is connected with the main control module and used for receiving the instruction of the main control module to drive the valve to open or close;
the communication module is connected with the main control module and is used for communicating with an upper computer;
and the power supply module is used for supplying power to each module.
2. The novel valve controller of claim 1, wherein the leak detection module comprises an a/D conversion circuit connected to the main control module, a filter circuit connected to the a/D conversion circuit, a signal conditioning circuit connected to the filter circuit, and a methane sensor connected to the signal conditioning circuit.
3. The novel valve controller according to claim 1, wherein the flow metering module comprises an ultrasonic transmitting module and an ultrasonic receiving module, the ultrasonic transmitting module is connected with the main control module, the ultrasonic receiving module is connected with a primary amplifying circuit, the primary amplifying circuit is connected with a band-pass filter circuit, the band-pass filter circuit is connected with a secondary amplifying circuit, and the secondary amplifying circuit is connected with the main control module.
4. The novel valve controller of claim 1, wherein the valve control module is provided with a relay, and the main control module controls the opening and closing of the relay.
5. The novel valve controller of claim 1, further comprising a buzzer, wherein the buzzer is connected to the main control module and is configured to provide an alarm when the leak detection module detects a methane leak.
6. The novel valve controller of claim 1, wherein the power supply module has a first voltage reduction circuit and a second voltage reduction circuit, the first voltage reduction circuit is a 220V to 24V circuit, the second voltage reduction circuit is a 24V to 5V circuit, and the first voltage reduction circuit supplies power to the second voltage reduction circuit.
7. The novel valve controller of claim 1, wherein the communication module has an M-BUS interface, a UART interface, or an RS485 interface.
8. The novel valve controller of claim 1, wherein the display module is an LCD display screen.
9. The novel valve controller of claim 1, wherein the keypad input module has at least two tact switches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920954397.6U CN210344467U (en) | 2019-06-24 | 2019-06-24 | Novel valve controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920954397.6U CN210344467U (en) | 2019-06-24 | 2019-06-24 | Novel valve controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210344467U true CN210344467U (en) | 2020-04-17 |
Family
ID=70187335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920954397.6U Expired - Fee Related CN210344467U (en) | 2019-06-24 | 2019-06-24 | Novel valve controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210344467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131461A (en) * | 2019-06-24 | 2019-08-16 | 郑州睿联智能科技有限公司 | A kind of novel valve controller |
-
2019
- 2019-06-24 CN CN201920954397.6U patent/CN210344467U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131461A (en) * | 2019-06-24 | 2019-08-16 | 郑州睿联智能科技有限公司 | A kind of novel valve controller |
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| Date | Code | Title | Description |
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| 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: 20200417 Termination date: 20200624 |