Search

CN-224231025-U - Valve structure and ultrasonic gas meter

CN224231025UCN 224231025 UCN224231025 UCN 224231025UCN-224231025-U

Abstract

The utility model relates to the technical field of ultrasonic gas meters, and particularly discloses a valve structure and an ultrasonic gas meter. The valve structure comprises a valve shell, a valve core component and a warm-pressing component. The temperature and pressure assembly is arranged on the valve casing, the temperature and pressure of the gas in the pipeline between the ultrasonic gas meter valve and the gas using equipment valve can be detected in real time by utilizing the temperature and pressure assembly, whether the gas using equipment has the risk of gas leakage or not can be detected in real time, and meanwhile, the valve casing is arranged at the gas outlet of the ultrasonic gas meter, so that a user can be prevented from directly damaging the installation of the ultrasonic gas meter module from the gas outlet of the ultrasonic gas meter, and the anti-theft gas effect is realized. The valve structure provided by the utility model has the functions of pressure maintaining and side leakage prevention, and effectively solves the problem that the ultrasonic gas meter in the prior art cannot detect the pressure in a pipeline communicated between the ultrasonic gas meter valve and the gas using equipment valve in real time, so that potential safety hazards exist in the gas using equipment.

Inventors

  • LI KAIJIE
  • WANG ZHIYUAN
  • WEI JIAMIN
  • JIN CHENGXIANG

Assignees

  • 浙江威星智能仪表股份有限公司

Dates

Publication Date
20260512
Application Date
20250430

Claims (10)

  1. 1. A valve structure, which is characterized in that, characterized by comprising the following steps: The valve casing (1) can be arranged in a cavity of the ultrasonic gas meter and is positioned at the gas outlet (52) of the ultrasonic gas meter, the valve casing (1) is provided with a main gas inlet (11), a containing cavity (12) and a main gas outlet (13) which are communicated in sequence, a plugging opening (121) is arranged in the containing cavity (12), and the main gas outlet (13) is communicated with the gas outlet (52) of the ultrasonic gas meter; the valve core assembly (2) is movably arranged in the accommodating cavity (12) so as to block or avoid the blocking opening (121); The warm-pressing assembly (3) is arranged on the valve casing (1), and the warm-pressing assembly (3) is used for detecting the temperature and the pressure of fuel gas between the plugging port (121) and the main air outlet (13).
  2. 2. The valve structure according to claim 1, wherein the warm-pressing assembly (3) comprises a shell (31) and a warm-pressing sensor (32) installed in a cavity of the shell (31), one end of the shell (31) penetrates into the valve housing (1) and is clamped with the outer wall of the valve housing (1), one end of the shell (31) is provided with a warm-pressing detection opening (311) communicated with the warm-pressing sensor (32), the plugging opening (121) and the main air outlet (13) are both communicated with the warm-pressing detection opening (311), and the warm-pressing sensor (32) is used for detecting the pressure of the temperature of the fuel gas entering from the warm-pressing detection opening (311).
  3. 3. Valve structure according to claim 2, characterized in that the valve housing (1) has an inlet channel (14) and an outlet channel (15), the inlet channel (14) communicating the plugging port (121) with the temperature and pressure detection port (311), the outlet channel (15) communicating the main outlet port (13) with the temperature and pressure detection port (311).
  4. 4. Valve structure according to claim 2, characterized in that it further comprises a first sealing element (4), one end of the housing (31) or the inner wall of the valve housing (1) having a first sealing groove, the first sealing element (4) being located in the first sealing groove and sealing the gap between the housing (31) and the inner wall of the valve housing (1).
  5. 5. The valve structure according to claim 2, characterized in that the housing (31) comprises a first shell (313), a second shell (314) and a mounting tube (315) mounted on the first shell (313), the first shell (313) and the second shell (314) are clamped to form a mounting cavity, the mounting tube (315) is communicated with the mounting cavity, the temperature and pressure sensor (32) is mounted in the mounting cavity, the first shell (313) is clamped and matched with the outer wall of the valve housing (1), the mounting tube (315) penetrates into the valve housing (1), and the mounting tube (315) is provided with the temperature and pressure detection port (311).
  6. 6. The valve structure according to claim 5, characterized in that the warm-pressing assembly (3) comprises a second seal (33), the second seal (33) being arranged between the first housing (313) and the second housing (314) to seal a gap between the first housing (313) and the second housing (314).
  7. 7. The valve structure according to claim 5, characterized in that one of the first housing (313) and the outer wall of the valve housing (1) has a catch (3131) and the other has a catch groove, the catch (3131) and the catch groove being snapped in.
  8. 8. The valve structure according to claim 5, characterized in that a threading hole is formed in one side of the first housing (313) facing away from the second housing (314), the warm-pressing assembly (3) comprises a wire harness sealing plug (34) and a clamping piece (35), the threading hole is communicated with the installation cavity, the threading hole can be used for threading out a wire harness of the warm-pressing sensor (32), the wire harness sealing plug (34) is inserted into the threading hole, and a gap between the wire harness of the warm-pressing sensor (32) and the threading hole can be sealed, and the clamping piece (35) is clamped with the first housing (313) so as to fix the wire harness sealing plug (34).
  9. 9. The valve structure according to claim 5, characterized in that a side of the second housing (314) facing away from the first housing (313) is provided with a side leakage hole (3141), the warm-pressing assembly (3) comprises a sealing plug (36) and a fastening piece (37), the side leakage hole (3141) is communicated with the mounting cavity, the sealing plug (36) is inserted into the side leakage hole (3141), and a gap between the side leakage hole (3141) and the second housing (314) can be sealed, and the fastening piece (37) can press the sealing plug (36) to the side leakage hole (3141).
  10. 10. An ultrasonic gas meter, characterized by comprising a gas meter housing (5), an ultrasonic metering module (6) and the valve structure according to any one of claims 1-9, wherein the ultrasonic metering module (6) and the valve structure are arranged in a cavity of the gas meter housing (5) at intervals, and the valve structure is positioned at an air outlet (52) of the gas meter housing (5).

Description

Valve structure and ultrasonic gas meter Technical Field The utility model relates to the technical field of ultrasonic gas meters, in particular to a valve structure and an ultrasonic gas meter. Background At present, an ultrasonic gas meter is a gas meter for measuring gas flow through an ultrasonic sensor, and has the advantages of high accuracy, high intelligent degree, strong environmental adaptability and high stability compared with a traditional diaphragm gas meter. After the gas using equipment is normally closed, the valve of the gas using equipment and the valve of the ultrasonic gas meter are in a closed state, at the moment, a pipeline which is communicated with the valve of the ultrasonic gas meter and the valve of the gas using equipment is in a closed state, a certain pressure exists, if the pressure of the pipeline becomes small or zero, the gas using equipment is indicated to have a certain leakage risk, the ultrasonic gas meter in the prior art does not have the function of detecting the pressure of the pipeline in real time, and a certain potential safety hazard exists in the gas using equipment. Disclosure of utility model The utility model aims to provide a valve structure and an ultrasonic gas meter, which are used for solving the problem that the ultrasonic gas meter in the prior art cannot detect the pressure in a pipeline communicated between the ultrasonic gas meter valve and a gas using device valve in real time, so that potential safety hazards exist in the gas using device. The utility model provides a valve structure which comprises a valve shell, a valve core assembly and a warm-pressing assembly, wherein the valve shell can be installed in a cavity of an ultrasonic gas meter and is positioned at a gas outlet of the ultrasonic gas meter, the valve shell is provided with a main gas inlet, a containing cavity and a main gas outlet which are sequentially communicated, a sealing opening is arranged in the containing cavity, the main gas outlet is communicated with the gas outlet of the ultrasonic gas meter, the valve core assembly is movably arranged in the containing cavity so as to seal or avoid the sealing opening, and the warm-pressing assembly is arranged in the valve shell and is used for detecting the temperature and the pressure of gas between the sealing opening and the main gas outlet. As the optional technical scheme of valve structure, warm-pressing assembly includes the shell and installs warm-pressing sensor in the shell cavity, the one end of shell penetrate the valve casing, and with the outer wall joint of valve casing, the one end of shell have with warm-pressing detection mouth of warm-pressing sensor intercommunication, the shutoff mouth with main gas outlet all with warm-pressing detection mouth intercommunication, warm-pressing sensor is used for detecting from warm-pressing detection mouth the pressure of the temperature of the gas that gets into. As an alternative technical scheme of the valve structure, the valve casing is provided with an air inlet channel and an air outlet channel, the air inlet channel is used for communicating the plugging port with the temperature and pressure detection port, and the air outlet channel is used for communicating the main air outlet with the temperature and pressure detection port. As an alternative technical scheme of the valve structure, the valve structure further comprises a first sealing element, one end of the shell or the inner wall of the valve shell is provided with a first sealing groove, the first sealing element is positioned in the first sealing groove, and a gap between the shell and the inner wall of the valve shell is sealed. As the optional technical scheme of valve structure, the shell includes first casing, second casing and installs the installation pipe on the first casing, first casing with the second casing joint is in order to form the installation cavity, the installation pipe with the installation cavity intercommunication, temperature and pressure sensor installs in the installation cavity, first casing with the outer wall joint cooperation of valve casing, the installation pipe penetrates the valve casing, the installation pipe has the temperature and pressure detects the mouth. As an alternative to the valve structure, the warm-pressing assembly includes a second sealing member disposed between the first housing and the second housing to seal a gap between the first housing and the second housing. As an alternative solution of the valve structure, one of the first housing and the outer wall of the valve housing is provided with a buckle, and the other is provided with a clamping groove, and the buckle is clamped with the clamping groove. As the optional technical scheme of valve structure, one side that first casing deviates from the second casing has the through wires hole, warm pressing assembly includes pencil sealing plug and joint spare, through wires hole and installation cavity inter