CN210775115U - Gas density monitor - Google Patents
Gas density monitor Download PDFInfo
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- CN210775115U CN210775115U CN201921448771.1U CN201921448771U CN210775115U CN 210775115 U CN210775115 U CN 210775115U CN 201921448771 U CN201921448771 U CN 201921448771U CN 210775115 U CN210775115 U CN 210775115U
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- density monitor
- gas density
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Abstract
The utility model discloses a gas density monitor, which comprises a density monitor body, a base, a pressure detector and an equipment connecting joint, wherein the base, the pressure detector and the equipment connecting joint are arranged on the density monitor body; the gas density monitor also comprises an air supplementing port, a first port of the air supplementing port is communicated with the equipment connecting joint, and a second port of the air supplementing port is communicated with the pressure detector. The utility model provides a gas density monitor can install in any occasion, when carrying out the check-up of density monitor, need not to install valve formula three way connection additional and just can carry out check-up gas density, not only has save material, practices thrift cost, safety ring, does benefit to the advantage of popularization and application, still has its simple structure, and advantages such as manufacturability is very good can be overcome and are difficult to the batch production problem.
Description
Technical Field
The utility model relates to an electric power tech field especially relates to a gas density monitor.
Background
The sulfur hexafluoride gas density monitor is used for detecting the change of sulfur hexafluoride gas density in a sulfur hexafluoride electrical switch, and the performance of the sulfur hexafluoride gas density monitor directly influences the reliable and safe operation of the sulfur hexafluoride electrical switch. Because sulfur hexafluoride electrical switch makes the reason and causes the gas leakage, just must supply qi, on the medium voltage looped netowrk cabinet, in order to save the cost, or reason in the design, do not leave the tonifying qi mouth alone. As shown in fig. 1, a conventional gas density monitor is required to be removed if the gas needs to be supplied to the electrical switch, which is troublesome, laborious and time-consuming.
Based on the above problems, how to provide a gas density monitor capable of supplying gas without disassembly is a technical problem to be solved in the field.
SUMMERY OF THE UTILITY MODEL
In view of prior art's above-mentioned defect, the utility model discloses a set up the tonifying qi mouth to the first port and the equipment attach fitting intercommunication of tonifying qi mouth, the mode that the second port and the pressure detector of tonifying qi mouth are linked together make and need not to dismantle the density monitor body and just can carry out the tonifying qi to electrical switch.
In order to achieve the above object, the present invention provides a gas density monitor, which comprises a density monitor body, a base, a pressure detector and an equipment connector, wherein the base, the pressure detector and the equipment connector are arranged on the density monitor body; the gas density monitor also comprises an air supplementing port, a first port of the air supplementing port is communicated with the equipment connecting joint, and a second port of the air supplementing port is communicated with the pressure detector.
Further, the air supplement port is arranged on the base or the equipment connecting joint.
Further, the gas density monitor also comprises a connecting piece, and the air supplementing port is arranged on the connecting piece.
Further, the gas density monitor further comprises a housing, and the air supplement port is arranged on or in the housing.
Furthermore, the gas density monitor also comprises a multi-way joint, and the air supplementing port is arranged on the multi-way joint.
Further, the air supplement port further comprises a self-sealing valve.
Further, the self-sealing valve comprises a sealing piece, a valve core, a spring and a valve seat.
Further, the air supplementing opening and the base are parallel or perpendicular to each other.
Further, the gas density monitor also comprises a protective cover, and the protective cover is arranged on the air supplementing opening.
Further, still including preventing losing coupling mechanism, prevent losing coupling mechanism's first connecting portion set up in the visor, prevent losing coupling mechanism's second connecting portion set up in the tonifying qi mouth or density monitor body.
Further, at least one sealing piece is arranged between the protective cover and the air supplementing opening.
Further, the density monitor body is a mechanical, electronic, or hybrid mechanical and electronic density monitor.
Further, the gas density monitor also includes a verification interface and a valve.
Further, the air supplementing port and the checking interface are of an integrated structure.
The utility model discloses the technical effect who realizes does:
1. the gas density monitor has the same size as a common density monitor, can be installed in any occasion, can supplement gas to the electrical equipment without being disassembled when the electrical equipment needs to supplement gas, has the advantages of saving materials and cost, being beneficial to popularization and application, and also has the effects of improving the overhauling convenience, improving the overhauling efficiency and saving time and labor;
2. the air supply mode is simplified, the material is saved, the cost and the volume are reduced, and the environment-friendly value is high;
3. the ring main unit can be charged without opening the ring main unit door, so that the efficiency is improved, the operation and maintenance cost is reduced, and great progress is achieved.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a schematic diagram of a conventional gas density monitor;
FIG. 2 is a schematic diagram of a gas density monitor according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a second gas density monitor according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a third gas density monitor according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a four-gas density monitor according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a five-gas density monitor according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a six-gas density monitor according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a seven gas density monitor according to an embodiment of the present invention.
Reference numerals: 1-density monitor body, 101-base, 102-shell, 103-pressure detector, 104-temperature compensation element, 105-movement, 106-pointer, 107-dial, 109-signal generator, 2-multi-way joint, 3-connector, 4-equipment connector, 5-air supplement port, 501-sealing element, 502-valve core, 503-spring, 504-valve core seat, 505-valve seat, 6-protective cover, 7-connecting pipe and 8-anti-lost connecting mechanism.
Detailed Description
Example one
As shown in fig. 2, a gas density monitor comprises a density monitor body 1, a connecting piece 3, an equipment connecting joint 4, an air supplement port 5, a protective cover 6 and an anti-lost connecting mechanism 8; the air supplement port 5 comprises a sealing member 501, a valve core 502, a spring 503, a valve core seat 504 and a valve seat 505; the protective cover 6 is arranged at the air supplement port 5. The density monitor body 1 includes a housing 102 and a base 101.
The density monitor body 1 is connected with an equipment connecting joint 4 through a connecting piece 3, and an air supplementing port 5 is connected with the base 101; the air supplementing port 5 is communicated with the base 101, the connecting piece 3 and the equipment connecting joint 4 on an air path.
The air supplement port 5 comprises a self-sealing valve, a valve core seat 504 of the air supplement port 5 is arranged on a valve seat 505, a spring 503 is wound on the outer side of the valve core 502, a first end of the spring 503 is arranged on the valve core seat 504, a second end of the spring 503 is arranged on the valve core 502, a sealing element 501 is arranged on the valve core 502, and the valve core 502 penetrates through a through hole of the valve core seat 504. A first port of the air supply port 5 is communicated with the equipment connecting joint 4, and a second port of the air supply port 5 is communicated with the pressure detector 103. Or the first port and the second port are designed integrally, i.e. designed as one piece.
The equipment connecting joint 4, the connecting piece 3 and the base 101 are communicated with each other all the time on the air path.
In the present embodiment, when the gas density monitor is in normal operation, the base 101, the connector 3 and the equipment connector 4 of the density monitor body 1 are in communication with each other on the gas path.
When the gas density monitor is used for supplying gas or testing micro water, the base 101, the gas-supplying or testing micro water transition joint, the connecting piece 3 and the equipment connecting joint 4 are mutually communicated on a gas path.
After the protective cover 6 is removed from the gas density monitor, a gas supplementing transition joint is inserted into the gas supplementing port 5, and an inner pipe (or an insert with a vent) of the gas supplementing transition joint is inserted into the inner cavity from the end part of the gas supplementing port 5 to align with the valve core 502, so that the valve core 502 of the gas supplementing port 5 is pushed to move forward for a set distance. At the moment, the air supply transition joint is communicated with the connecting piece 3 and the equipment connecting joint 4 on the air path, so that air supply can be carried out on the electrical equipment without disassembling the density monitor. And when the air supply is finished, the air supply transition joint is slowly withdrawn, and the spring 503 pushes the sealing piece 501 to restore the original state, so that the gas in the electrical equipment is prevented from leaking. The connection of the equipment connection joint 4, the connection piece 3 and the density monitor body 1 is ensured. Slowly withdrawing the air supplementing transition joint until the air supplementing port 5 is restored to the original position, dismounting the air supplementing transition joint, and then installing the protective cover 6 on the end part of the air supplementing port 5 to enable the air density monitor to be restored to the normal working state. The embodiment utilizes the air supply transition joint, and realizes the function of supplying air to the electrical equipment without dismounting the gas density monitor on site by operating the air supply port 5.
The density monitor body 1 in the present embodiment is used for monitoring the gas density of an electrical apparatus. As shown in fig. 1, the density monitor body 1 includes a housing 102, and a temperature compensation element 104, a pressure detection element 103, a movement 105, a pointer 106, a dial 107, a signal generator 109, and a base 101 provided in the housing. The base 101 is welded or fixed to the housing 102, and one end of the pressure detector 103 is welded to the base 101, and the other end is connected to the temperature compensation element 104 by a welding end seat. The gas density is monitored by the action of the pressure detector 103 and the temperature compensation element 104, and the gas density value is displayed by the movement 105, the pointer 106 and the dial 107.
When the electrical equipment leaks air, air can be supplied to the electrical switching equipment through the air supply port 5, so that the electrical equipment can work safely.
The signal generator 109 of the gas density monitor is a microswitch or a magnetically assisted electrical contact; the pressure detector 103 is a bourdon tube, a bellows tube, or a bourdon tube and bellows tube composite tube.
The gas density monitor in this embodiment further includes a protective cover 6 disposed at the air supply port 5 for enhancing sealing, preventing gas leakage, and preventing dust from entering the air supply port 5.
The gas density monitor also comprises at least one sensor interface which is respectively connected with at least one of a gas density sensor with a gas density transmitter, a gas micro-water sensor with a gas micro-water transmitter and a gas decomposition product sensor, wherein the gas density sensor with the gas density transmitter is used for online monitoring of density, the gas micro-water sensor with the gas micro-water transmitter is used for online monitoring of micro-water, and the gas decomposition product sensor is used for online monitoring of decomposition products; the sensor interface may also be connected to other sensors, not to mention here.
When the valve is added, the air supply port 5 can also be used for verifying, supplying air and testing the valve of micro water to control the opening and the plugging of the air supply passage of the switch equipment.
The sealing member 501 in the air supplement port 5 is used for sealing to prevent air leakage or external air inflow of the air supplement port 5; the valve core 502 is used for connecting the valve 6 with the sealing member 501; the spring 503 is used for pushing the sealing element 501 to restore the air supplementing opening 5 to the original position, so as to play a role in sealing air; the valve core seat 504 is used to fix the air supplement port 5 and the spring 503.
The base 101 of the density monitor body 1 and the air supplement port 5 are hermetically connected through a seal ring or welded.
The gas density monitor is provided with at least one sealing and blocking piece between the protective cover 6 and the air supplementing port 5, and is used for improving the air tightness between the protective cover 6 and the air supplementing port 5; the sealing element is a rubber ring, a rubber pad or an O-shaped ring.
The connecting piece 3 and the equipment connecting joint 4 in the embodiment can be arranged in a split manner or in an integrated structure; the integral structure improves the air tightness of the connection of all devices; the split arrangement is convenient for reducing the cost.
In the gas density monitor of the present embodiment, the arrangement position, angle and direction of the density monitor body 1 and the air replenishment port 5 are various with respect to the position, angle and direction of the equipment connection joint 4.
Example two
As shown in fig. 3, the air supply port 5 in this embodiment is disposed in a direction parallel to the density monitor body 1, and a hole is disposed on the ring main unit door, so that the ring main unit door does not need to be opened. The same parts as those in the first embodiment will not be described in detail.
EXAMPLE III
As shown in fig. 4, the air supply port 5 in this embodiment communicates with the equipment connection joint 4 through a connection pipe 7. In addition, the air supply port 5 is arranged in a direction parallel to the density monitor body 1, a hole is formed in the ring main unit door, the ring main unit door does not need to be opened, and the purpose of charging the ring main unit with electricity can be achieved by using the gas density monitor of the embodiment. The same parts as those in the first embodiment will not be described in detail.
Example four
As shown in fig. 5, the air supplement port 5 of the present embodiment is connected to the equipment connecting joint 4 through the connecting pipe 7 and the connecting member 3. In addition, the air supply port 5 in this embodiment is arranged in a direction parallel to the density monitor body 1, and a hole is formed in the ring main unit door, so that the ring main unit door does not need to be opened, and the gas density monitor of this embodiment can be used to charge the ring main unit in an electrified manner. The same parts as those in the first embodiment will not be described in detail.
EXAMPLE five
As shown in fig. 6, the air supply port 5 in this embodiment communicates with the device connection connector 4 through the multi-way connector 2 and the connector 3. In addition, the air supply port 5 in this embodiment is arranged in a direction parallel to the density monitor body 1, so that the ring main unit does not need to be opened, and the purpose of charging the ring main unit with electricity can be achieved by using the gas density monitor in this embodiment. The same parts as those in the first embodiment will not be described in detail.
EXAMPLE six
As shown in fig. 7, in the present embodiment, the air supplement port 5 is fixed to the housing 102, and the air supplement port 5 communicates with the equipment connection joint 4 through the connection pipe 7, the base 101, and the connection member 3. In addition, the air replenishing port 5 in the present embodiment is provided in a direction perpendicular to the density monitor main body 1. The same parts as those in the first embodiment will not be described in detail.
EXAMPLE seven
As shown in fig. 8, in the present embodiment, the air supply port 5 is fixed to the base 101, and the air supply port 5 communicates with the equipment connection connector 4 through the base 101. In addition, the air replenishing port 5 in the present embodiment is provided in a direction perpendicular to the density monitor main body 1. The same parts as those in the first embodiment will not be described in detail.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (14)
1. A gas density monitor comprises a density monitor body, a base, a pressure detector and an equipment connecting joint, wherein the base, the pressure detector and the equipment connecting joint are arranged on the density monitor body.
2. The gas density monitor of claim 1, wherein the air supply port is disposed in the base or the equipment connection fitting.
3. The gas density monitor of claim 1, further comprising a connector, wherein the air supplement port is disposed in the connector.
4. The gas density monitor of claim 1, further comprising a housing, said air supplement port being disposed on or in said housing.
5. The gas density monitor of claim 1, further comprising a manifold, wherein the air supplement port is disposed in the manifold.
6. The gas density monitor of claim 1, wherein the gas patch port further comprises a self-sealing valve.
7. The gas density monitor of claim 6, wherein the self-sealing valve comprises a seal, a spool, a spring, and a valve seat.
8. The gas density monitor of claim 1, wherein the gas replenishment port is parallel to or perpendicular to the base.
9. The gas density monitor of claim 1, further comprising a protective cover disposed at the air supplement port.
10. The gas density monitor of claim 9, further comprising an anti-lost connection mechanism, a first connection portion of the anti-lost connection mechanism being disposed at the protective cover, and a second connection portion of the anti-lost connection mechanism being disposed at the inflation port or the density monitor body.
11. A gas density monitor according to claim 9, wherein at least one blocking seal is provided between said protective cover and said air supplement port.
12. The gas density monitor of claim 1, wherein the density monitor body is a mechanical, electrical, or hybrid mechanical and electrical density monitor.
13. The gas density monitor of claim 1, further comprising a verification interface and a valve.
14. The gas density monitor of claim 13, wherein the air replenishment port is of unitary construction with the verification interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921448771.1U CN210775115U (en) | 2019-09-03 | 2019-09-03 | Gas density monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921448771.1U CN210775115U (en) | 2019-09-03 | 2019-09-03 | Gas density monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210775115U true CN210775115U (en) | 2020-06-16 |
Family
ID=71045106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921448771.1U Active CN210775115U (en) | 2019-09-03 | 2019-09-03 | Gas density monitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210775115U (en) |
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2019
- 2019-09-03 CN CN201921448771.1U patent/CN210775115U/en active Active
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