CN205120180U - Leak protection circulation of vital energy in wrong direction flows protection gas table - Google Patents
Leak protection circulation of vital energy in wrong direction flows protection gas table Download PDFInfo
- Publication number
- CN205120180U CN205120180U CN201520903253.XU CN201520903253U CN205120180U CN 205120180 U CN205120180 U CN 205120180U CN 201520903253 U CN201520903253 U CN 201520903253U CN 205120180 U CN205120180 U CN 205120180U
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- watchcase
- gas
- closed relay
- normally closed
- solenoid valve
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Abstract
The utility model relates to a leak protection circulation of vital energy in wrong direction flows protection gas table, including the watchcase be provided with intake pipe and outlet duct on the watchcase, the outlet duct is located the inside one end of watchcase and all inwards extends and form the backup pad the top of backup pad is provided with the movable cover installing its sensor of whether working of response in the inside measurement part of watchcase, being equipped with a normally closed relay in the watchcase in addition, the watchcase peripheral hardware has a rotating switch that is used for installing in the ignition switch install the normally open solenoid valve in the intake pipe, sensor, normally closed relay and normally open solenoid valve pass through the line connection and constitute by control circuit. The utility model discloses can prevent that the gas leakage from just can reduce the economic loss of gas company.
Description
Technical field
The utility model relates to a kind of gas meter, flow meter, particularly relates to a kind of anti-gas-leak adverse current protection gas meter, flow meter.Belong to technology of instrument and meter field.
Background technology
General valve-embedded gas meter, flow meter belongs to intelligent fuel gas table, and user's majority takes prepayment mode to use.The table body of gas meter, flow meter is all provided with air intake opening and gas outlet, and should take over as requested when installing gas meter, flow meter, gas meter, flow meter measures according to throughput.But once user illegally installs, and draft tube is received gas outlet, after escape pipe receives air intake opening, user still can use, and gas meter, flow meter can stop metering, larger for loss gas company.
In addition for preventing gas leakage, being generally also provided with a safety-valve, however, due to artificial origin or the gas-fired equipment joint gas leakage situation that causes such as aging happens occasionally, there is very large potential safety hazard.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of anti-gas-leak adverse current to protect gas meter, flow meter, can prevent gas leakage and can reduce the economic loss of gas company.
The purpose of this utility model is achieved in that a kind of anti-gas-leak adverse current protection gas meter, flow meter, comprise watchcase, described watchcase is provided with draft tube and escape pipe, one end that described escape pipe is positioned at watchcase inside all extends internally formation back up pad, removable cover is provided with above described back up pad, the metering section of described watchcase inside is provided with its sensor whether worked of an induction, a normally closed relay is separately provided with in watchcase, watchcase peripheral hardware has the rotary switch for being arranged in ignition switch, described draft tube is provided with normally open solenoid valve, described rotary switch and normally closed relay form control loop by connection, described sensor, normally closed relay and normally open solenoid valve are consisted of by control loop connection.
Compared with prior art, the beneficial effects of the utility model are:
1, by arranging removable cover on the escape pipe of gas meter, flow meter, can back flow of gas being prevented, preventing user's valve-embedded gas meter, flow meter when continuing to use combustion gas from cannot measure.
2, sensor, normally closed relay and normally open solenoid valve are consisted of by control loop connection, utilize normally open solenoid valve to cut off the connection of gas meter, flow meter and fuel gas network, prevent gas leakage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Wherein:
Watchcase 1, draft tube 2, escape pipe 3, back up pad 4, removable cover 5, metering section 6, sensor 7, normally closed relay 8, rotary switch 9, normally open solenoid valve 10.
Embodiment
See Fig. 1, the utility model relates to a kind of anti-gas-leak adverse current protection gas meter, flow meter, comprise watchcase 1, described watchcase 1 is provided with draft tube 2 and escape pipe 3, one end that described escape pipe 3 is positioned at watchcase inside all extends internally and forms back up pad 4, removable cover 5 is provided with above described back up pad 4, the metering section 6 of described watchcase 1 inside is provided with its sensor 7 whether worked of an induction, a normally closed relay 8 is separately provided with in watchcase 1, watchcase 1 peripheral hardware has the rotary switch 9 for being arranged in ignition switch, described draft tube 2 is provided with normally open solenoid valve 10, described rotary switch 9 and normally closed relay 8 form control loop by connection, described sensor 7, normally closed relay 8 and normally open solenoid valve 10 are consisted of by control loop connection.
When ignitor switch is not opened, rotary switch 9 is also in off-state, control loop no current, and normally closed relay 8 is in normally off; As metering section 6 does not work, illustrate do not occur leak vapour, sensor 7 place by control loop also no current, normally open solenoid valve 10 is in normally open; As metering section 6 works, illustrate likely occur leak vapour, sensor 7 by place by control loop conducting, normally open solenoid valve 10 cuts out, prevent continue leak vapour.
When ignitor switch is opened, rotary switch 9 is in closure state, control loop work, and normally closed relay 8 will disconnect by control loop, and make normally open solenoid valve 10 be in normally open, combustion gas enters gas-fired equipment smoothly.
Claims (1)
1. an anti-gas-leak adverse current protection gas meter, flow meter, comprise watchcase (1), described watchcase (1) is provided with draft tube (2) and escape pipe (3), one end that described escape pipe (3) is positioned at watchcase inside all extends internally and forms back up pad (4), the top of described back up pad (4) is provided with removable cover (5), the metering section (6) that described watchcase (1) is inner is provided with its sensor whether worked (7) of an induction, a normally closed relay (8) is separately provided with in watchcase (1), watchcase (1) peripheral hardware has the rotary switch (9) for being arranged in ignition switch, described draft tube (2) is provided with normally open solenoid valve (10), described rotary switch (9) and normally closed relay (8) form control loop by connection, described sensor (7), normally closed relay (8) and normally open solenoid valve (10) are consisted of by control loop connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520903253.XU CN205120180U (en) | 2015-11-14 | 2015-11-14 | Leak protection circulation of vital energy in wrong direction flows protection gas table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520903253.XU CN205120180U (en) | 2015-11-14 | 2015-11-14 | Leak protection circulation of vital energy in wrong direction flows protection gas table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205120180U true CN205120180U (en) | 2016-03-30 |
Family
ID=55575778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520903253.XU Active CN205120180U (en) | 2015-11-14 | 2015-11-14 | Leak protection circulation of vital energy in wrong direction flows protection gas table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205120180U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084181A (en) * | 2018-09-12 | 2018-12-25 | 朱达峰 | A kind of gas burner safety controller |
| CN110345998A (en) * | 2019-07-06 | 2019-10-18 | 杭州乾博科技有限公司 | A kind of coil induction type water meter of detectable adverse current |
-
2015
- 2015-11-14 CN CN201520903253.XU patent/CN205120180U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109084181A (en) * | 2018-09-12 | 2018-12-25 | 朱达峰 | A kind of gas burner safety controller |
| CN110345998A (en) * | 2019-07-06 | 2019-10-18 | 杭州乾博科技有限公司 | A kind of coil induction type water meter of detectable adverse current |
| CN110345998B (en) * | 2019-07-06 | 2020-10-09 | 杭州乾博科技有限公司 | Coil induction type water meter capable of detecting countercurrent and method for detecting countercurrent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |