CN204437319U - A kind of gate valve that automatically can detect the valve plate life-span - Google Patents
A kind of gate valve that automatically can detect the valve plate life-span Download PDFInfo
- Publication number
- CN204437319U CN204437319U CN201520022851.6U CN201520022851U CN204437319U CN 204437319 U CN204437319 U CN 204437319U CN 201520022851 U CN201520022851 U CN 201520022851U CN 204437319 U CN204437319 U CN 204437319U
- Authority
- CN
- China
- Prior art keywords
- coupled
- valve plate
- resistance
- valve
- detect
- 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
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The utility model discloses a kind of gate valve that automatically can detect the valve plate life-span, comprise valve plate, cavity and valve body, described cavity is opened in valve interior wall, arrange towards cavity bottom described valve plate, be provided with to detect valve plate in described valve body whether to conflict the detection device of cavity diapire, described detection device comprises sensor and circuit module, wherein, described sensor is pressure transducer, when described pressure transducer detects that valve plate contacts at cavity diapire, circuit module can drive warning light work.The utility model is by arranging pressure transducer at cavity inner wall, the pressure of valve plate to cavity inner wall can be detected, by arranging circuit module and warning light, the electrical signal that processing pressure sensor exports also drives warning light work, to warn staff, solve the problem that traditional gate valve cannot detect the valve plate life-span automatically.
Description
Technical field
The utility model relates to a kind of gate valve, especially a kind of gate valve that automatically can detect the valve plate life-span.
Background technique
Gate valve is a kind of by flashboard realization closedown or unlatching, thus the valve of cut-off pipeline medium.Existing notification number be CN102889391A patent discloses a kind of driven high voltage power welding end unloading type double-flashboard gate valve, connected and composed by valve body, valve seat, flashboard, valve plate, packing ring, seal ring, filler, pressure ring, pendant collet, spacer ring, dunnage, gland, pressing plate, support etc., it is characterized in that: described flashboard is the double-flashboard be composed of a fixed connection by two shoe brake plates, its cross section is H-shaped, the inclined-plane that two end faces that flashboard matches with valve seat are big up and small down, its tilt angle is 5 °; Described valve seat and supporting two end faces of flashboard are inclined-plane wide at the top and narrow at the bottom, and its tilt angle is 5 °; Described flashboard is provided with the pressure relief vent of through flashboard in the below of medium entrance one end, described pressure relief vent is communicated with valve body bottom cavity and valve seat endoporus when gate valve is closed, the aperture of pressure relief vent is determined because of the pressure of medium, and when pressure medium is 2000Lb to 2500Lb, aperture is 2 cm to 3cm; When pressure medium is 1500Lb to 2000Lb, aperture is 1cm to 2cm; Described body base cavity connects valve body upper cavity; Described flashboard and the valve seat end face supporting with it are sealing surface, are air-tight state when gate valve is closed.
The structure of existing gate valve is all described above, when normally using, sealing surface bottom valve plate is body base cavity diapire of can not conflicting, if in use, sealing surface bottom valve plate is conflicted body base cavity, (isolating medium of gate valve is mutually conflicted by bulge loop on the sealing surface of valve plate side and cavity sidewalls to reach then to illustrate that the working life of gate valve plate arrives, the body base cavity diapire if the sealing surface bottom valve plate is conflicted, then illustrate that the sealing surface of valve plate side has received certain wearing and tearing, and the sealing surface of body base cavity diapire and valve plate bottom surface is to reach obturation effect when conflicting), gate valve can be caused to reveal if re-use down, and existing gate valve can not carry out this detecting and make warning, that is cannot detect whether valve plate conflicts at body base cavity diapire.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of gate valve that automatically can detect the valve plate life-span, comprise valve plate, cavity and valve body, described cavity is opened in valve interior wall, arrange towards cavity bottom described valve plate, whether be provided with to detect valve plate in described valve body to conflict the detection device of cavity diapire, described detection device comprises:
Sensor: be embedded at cavity diapire, contacts at cavity diapire and output detections signal to detect valve plate;
Circuit module: be built in valve body, and be coupled to sensor to receive testing signal, be also circumscribed with warning light to drive warning light according to testing signal.
By adopting technique scheme, setting can detect that valve plate exports the pressure transducer of electrical signal to cavity diapire pressure, rise at valve plate, when gate valve is in open mode, the medium flowing through valve body to the underpressure of cavity diapire with activation pressure sensor output electrical signals, but, when closing gate valve, lock to greatest extent if valve plate dextrorotation goes to and conflict at cavity diapire, the pressure transducer being arranged at cavity diapire will detect pressure, and export electrical signal to circuit module, circuit module can drive warning light work after receiving the testing signal of pressure transducer output, to warn staff.
The utility model is set to further:
Described circuit module comprises:
Buffer cell: be coupled to sensor to receive testing signal, and export buffering signals;
Control unit: be coupled to buffer cell to receive buffering signals, and export control signal;
Driver element: be coupled to control unit with responsive control signal, and drive warning light.
Described buffer cell comprises:
First resistance: one end is coupled to sensor, the other end ground connection;
First electric capacity: one end is coupled to the first resistance, the other end ground connection;
First PMOS: its grid is coupled to the common node of the first resistance and the first electric capacity, source ground.
Described control unit comprises:
Second resistance: the drain electrode being coupled to the first PMOS;
PNP triode: its base stage is coupled to the second resistance, and emitter is coupled to external power supply;
3rd resistance: one end is coupled to the common node of the second resistance and PNP triode base stage, and the other end is coupled to external power supply.
Described driver element comprises:
4th resistance: one end is coupled to the collector electrode of PNP triode, the other end ground connection;
Second electric capacity: one end is coupled to the common node of PNP triode collector electrode and the 4th resistance, the other end ground connection;
Second PMOS: its grid is coupled to the common node of the 4th resistance and the second electric capacity, drain electrode is coupled to warning light, source ground;
5th resistance: one end is coupled to the drain electrode of the second PMOS, and the other end is coupled to warning light.
Described sensor is pressure transducer.
By adopting technique scheme, by arranging buffer cell, after receiving testing signal, this electrical signal is cushioned, wherein the first resistance and the first electric capacity form RC buffer part, signal after buffering is delivered to the first PMOS and made its conducting, and export buffering signals to control unit, by arranging control unit, receive the buffering signals that buffer cell exports, by the second resistance and the 3rd electric resistance partial pressure, control the first PNP triode conducting, and output control signals to driver element, by arranging driver element, the second PMOS conducting is controlled after the RC buffer part that the 4th resistance and the second electric capacity are formed, final driving warning light work.
Accompanying drawing explanation
Fig. 1 is the utility model gate valve sectional view;
Fig. 2 is the enlarged view of chamber portion;
Fig. 3 is the circuit theory diagrams of circuit module;
Fig. 4 is the circuit theory diagrams of buffer cell;
Fig. 5 is the circuit theory diagrams of control unit;
Fig. 6 is the circuit theory diagrams of driver element.
Reference character: 1, valve plate; 2, cavity; 3, valve body; 4, pressure transducer; A, circuit module; A1, buffer cell; A2, control unit; A3, driver element; R1, the first resistance; R2, the second resistance; R3, the 3rd resistance; R4, the 4th resistance; R5, the 5th resistance; C1, the first electric capacity; C2, the second electric capacity; M1, the first PMOS; M2, the second PMOS; Q1, PNP triode; L, warning light.
Embodiment
Referring to figs. 1 through Fig. 6, the gate valve embodiment that the utility model can detect the valve plate life-span is automatically described further.
The gate valve that automatically can detect the valve plate life-span of the present utility model comprises valve plate 1, cavity 2 and valve body 3, described cavity 2 diapire is embedded with the pressure transducer 4 detecting valve plate 1 pressure, described valve body 3 inside is provided with circuit module A, described circuit module A is coupled to pressure transducer 4 to receive testing signal, also be circumscribed with warning light L to drive warning light L, wherein, warning light L can be driven to work when pressure transducer 4 detects the pressure of valve plate 1.Described circuit module A comprises buffer cell A1, is coupled to pressure transducer 4 to receive testing signal, and exports buffering signals; Control unit A2, is coupled to buffer cell A1 to receive buffering signals, and exports control signal; Driver element A3, is coupled to control unit A2 with responsive control signal, and drives warning light L.Described buffer cell A1 comprises the first resistance R1, and one end is coupled to pressure transducer 4, the other end ground connection; First electric capacity C1, one end is coupled to the first resistance R1, the other end ground connection; First PMOS M1, its grid is coupled to the common node of the first resistance R1 and the first electric capacity C1, source ground.Described control unit A2 comprises the second resistance R2, is coupled to the drain electrode of the first PMOS M1; PNP triode Q1, its base stage is coupled to the second resistance R2, and emitter is coupled to external power supply; 3rd resistance R3, one end is coupled to the common node of the second resistance R2 and PNP triode Q1 base stage, and the other end is coupled to external power supply.Described driver element A3 comprises the 4th resistance R4, and one end is coupled to the collector electrode of PNP triode Q1, the other end ground connection; Second electric capacity C2, one end is coupled to the common node of PNP triode Q1 collector electrode and the 4th resistance R4, the other end ground connection; Second PMOS M2, its grid is coupled to the common node of the 4th resistance R4 and the second electric capacity C2, and drain electrode is coupled to warning light L, source ground; 5th resistance R5, one end is coupled to the drain electrode of the second PMOS M2, and the other end is coupled to warning light L.
The described working procedure that automatically can detect the gate valve in valve plate life-span is as follows:
Valve plate 1 pair of cavity 2 diapire pressure can be detected and the pressure transducer 4 exporting electrical signal by arranging, rise at valve plate 1, when gate valve is in open mode, the pressure of medium to cavity 2 diapire flowing through valve body 3 is less than 3000Lb usually, be not enough to activation pressure sensor 4 and export electrical signal, but, when closing gate valve, lock to greatest extent if valve plate 1 dextrorotation goes to and conflict at cavity 2 diapire, valve plate 1 pair of cavity 2 diapire pressure can arrive about 6000Lb usually, the pressure transducer 4 being arranged at cavity 2 diapire will detect pressure, and export electrical signal to circuit module A, by arranging buffer cell A1, after receiving testing signal, this electrical signal is cushioned, wherein the first resistance R1 and the first electric capacity C1 forms RC buffer part, signal after buffering is delivered to the first PMOS M1 and made its conducting, and export buffering signals to control unit A2, by arranging control unit A2, receive the buffering signals that buffer cell A1 exports, by the second resistance R2 and the 3rd resistance R3 dividing potential drop, control the first PNP triode Q1 conducting, and output control signals to driver element A3, by arranging driver element A3, the second PMOS M2 conducting is controlled after the RC buffer part that the 4th resistance R4 and the second electric capacity C2 is formed, final driving warning light L works.
Warning light L peripheral hardware is connected to circuit module A, and power on to circuit module A, when pressure transducer 4 delivery pressure signal, cushion through the first resistance R1 and the first electric capacity C1, a stable voltage is delivered to the first PMOS M1, the grid of the first PMOS M1 just has conducting voltage, and the drain electrode of the first metal-oxide-semiconductor is connected to external power supply by the second resistance R2 and the 3rd resistance R3, be loaded with bias voltage, so the first PMOS M1 conducting, because the second resistance R2 and the 3rd resistance R3 exists dividing potential drop, the base stage of the first PNP triode Q1 is made also to create positive bias-voltage, and the emitter of the first PNP triode Q1 connects external power supply, emitter is reverse-biased, therefore the first PNP triode Q1 conducting, electric current after amplifying to be entered the buffer part that the 4th resistance R4 and the second electric capacity C2 form from external power supply through the first PNP triode Q1, and it is the same with the principle of the first PMOS M1 conducting, second PMOS M2 also conducting, warning light L two ends are made to have electric current flow through and work.
In sum, the utility model is by arranging pressure transducer 4 at cavity 2 diapire, the pressure of valve plate 1 pair of cavity 2 diapire can be detected, by arranging circuit module A and warning light L, the electrical signal that processing pressure sensor 4 exports also drives warning light L to work, to warn staff, solve the problem that traditional gate valve cannot detect the valve plate life-span automatically.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. one kind can be detected the gate valve in valve plate life-span automatically, comprise valve plate, cavity and valve body, described cavity is opened in valve interior wall, arrange towards cavity bottom described valve plate, it is characterized in that: whether be provided with to detect valve plate in described valve body and conflict the detection device of cavity diapire, described detection device comprises:
Sensor: be embedded at cavity diapire, contacts at cavity diapire and output detections signal to detect valve plate;
Circuit module: be built in valve body, and be coupled to sensor to receive testing signal, be also circumscribed with warning light to drive warning light according to testing signal.
2. the gate valve that automatically can detect the valve plate life-span according to claim 1, is characterized in that: described circuit module comprises:
Buffer cell: be coupled to sensor to receive testing signal, and export buffering signals;
Control unit: be coupled to buffer cell to receive buffering signals, and export control signal;
Driver element: be coupled to control unit with responsive control signal, and drive warning light.
3. the gate valve that automatically can detect the valve plate life-span according to claim 2, is characterized in that: described buffer cell comprises:
First resistance: one end is coupled to sensor, the other end ground connection;
First electric capacity: one end is coupled to the first resistance, the other end ground connection;
First PMOS: its grid is coupled to the common node of the first resistance and the first electric capacity, source ground.
4. the gate valve that automatically can detect the valve plate life-span according to claim 2, is characterized in that: described control unit comprises:
Second resistance: the drain electrode being coupled to the first PMOS;
PNP triode: its base stage is coupled to the second resistance, and emitter is coupled to external power supply;
3rd resistance: one end is coupled to the common node of the second resistance and PNP triode base stage, and the other end is coupled to external power supply.
5. the gate valve that automatically can detect the valve plate life-span according to claim 2, is characterized in that: described driver element comprises:
4th resistance: one end is coupled to the collector electrode of PNP triode, the other end ground connection;
Second electric capacity: one end is coupled to the common node of PNP triode collector electrode and the 4th resistance, the other end ground connection;
Second PMOS: its grid is coupled to the common node of the 4th resistance and the second electric capacity, drain electrode is coupled to warning light, source ground;
5th resistance: one end is coupled to the drain electrode of the second PMOS, and the other end is coupled to warning light.
6. the gate valve that automatically can detect the valve plate life-span according to claim 2, is characterized in that: described sensor is pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022851.6U CN204437319U (en) | 2015-01-13 | 2015-01-13 | A kind of gate valve that automatically can detect the valve plate life-span |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520022851.6U CN204437319U (en) | 2015-01-13 | 2015-01-13 | A kind of gate valve that automatically can detect the valve plate life-span |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204437319U true CN204437319U (en) | 2015-07-01 |
Family
ID=53605188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520022851.6U Expired - Fee Related CN204437319U (en) | 2015-01-13 | 2015-01-13 | A kind of gate valve that automatically can detect the valve plate life-span |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204437319U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019555A (en) * | 2016-10-31 | 2018-05-11 | 中国科学院沈阳自动化研究所 | A kind of solenoid valve fault diagnostic method based on force sensor signals |
| GB2559998A (en) * | 2017-02-24 | 2018-08-29 | Pipe Transf Ltd | Improved pipeline apparatus |
| CN108679248A (en) * | 2018-08-02 | 2018-10-19 | 周勇 | A kind of anti-leakage self sealing valve |
-
2015
- 2015-01-13 CN CN201520022851.6U patent/CN204437319U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019555A (en) * | 2016-10-31 | 2018-05-11 | 中国科学院沈阳自动化研究所 | A kind of solenoid valve fault diagnostic method based on force sensor signals |
| GB2559998A (en) * | 2017-02-24 | 2018-08-29 | Pipe Transf Ltd | Improved pipeline apparatus |
| GB2559998B (en) * | 2017-02-24 | 2019-05-08 | Pipe Transf Ltd | Pipeline apparatus with releasably lockable device |
| CN108679248A (en) * | 2018-08-02 | 2018-10-19 | 周勇 | A kind of anti-leakage self sealing valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204437319U (en) | A kind of gate valve that automatically can detect the valve plate life-span | |
| CN203684982U (en) | Large air gate and sealing device thereof | |
| TW200635175A (en) | Single floating battery cell voltage level translator circuitry | |
| CN204437328U (en) | A kind of can the gate valve in self-inspection valve plate life-span | |
| CN202331724U (en) | Detector for hazardous gas | |
| CN105212636B (en) | A kind of Intelligent water cup based on TDS detection | |
| CN103216939A (en) | Three-port leakage-proof device for water storing container of water heater and water heater | |
| CN100425963C (en) | Tyre pressure detector | |
| CN201616170U (en) | Dual-functional leakage alarm for natural gas and coal gas | |
| CN104648652B (en) | A kind of automatic control circuit of aerostatics relief valve | |
| CN104845888B (en) | Totally-enclosed tissue culture plate | |
| CN103426277A (en) | Gas detector test system and apparatus | |
| CN201518011U (en) | Gas sensor harmful gas detector | |
| CN206129070U (en) | Formula that dangles explosion - proof wave valve | |
| CN206703969U (en) | A kind of electric car safe driving early warning system | |
| CN207247470U (en) | Wireless door and window combined control equipment | |
| CN113586154A (en) | Tunnel construction water inrush early warning system | |
| CN203688453U (en) | Four-way pipe welding seam gap detecting device | |
| CN207258320U (en) | A kind of high transhipment seal assembly of chemical products air-tightness | |
| CN216978261U (en) | Plastic water pipe assembly air tightness detector device | |
| CN207587920U (en) | A kind of explosion-proof type lithium ion battery | |
| CN206564418U (en) | A kind of longer high-tension distribution box of service life | |
| CN210981688U (en) | Pen cap sealing performance detection device | |
| CN104868066A (en) | Cover plate of square power battery and matched formation charging device | |
| CN204525043U (en) | A kind of vacuum detection instrument having on-off function |
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: 20150701 Termination date: 20170113 |