CN206269876U - Gas meter, flow meter and its device for pressure measurement - Google Patents
Gas meter, flow meter and its device for pressure measurement Download PDFInfo
- Publication number
- CN206269876U CN206269876U CN201621025728.0U CN201621025728U CN206269876U CN 206269876 U CN206269876 U CN 206269876U CN 201621025728 U CN201621025728 U CN 201621025728U CN 206269876 U CN206269876 U CN 206269876U
- Authority
- CN
- China
- Prior art keywords
- pressure measurement
- housing
- flow meter
- shell
- fixed seat
- 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
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Abstract
The utility model discloses a kind of device for pressure measurement of gas meter, flow meter, including the fixed seat being installed on inside the gas meter, flow meter, one end of the fixed seat is used to connect the shell of the gas meter, flow meter, the other end of the fixed seat is provided with closed chamber, circuit board is installed in the closed chamber to communicate to connect the pressure sensor of the circuit board, the sticky impregnating fluid for completely cutting off the sealing pressure sensor is contained with the closed chamber, is provided with the fixed seat for connecting the passage inside and outside the closed chamber.Sticky impregnating fluid has good sealing function, prevents corrosion of the combustion gas to pressure sensor, and the electric property on pressure sensor does not influence.Present apparatus simple structure, easy for installation simultaneously, non-maintaining, enhances reliability, accuracy and security, and the reality that can be measured in gas meter, flow meter enters pressure safety and precise.The invention also discloses a kind of gas meter, flow meter including above-mentioned device for pressure measurement.
Description
Technical field
The utility model is related to instrument field, more particularly to a kind of device for pressure measurement of gas meter, flow meter.Additionally, this practicality
It is new to further relate to a kind of gas meter, flow meter including above-mentioned device for pressure measurement.
Background technology
During gas meter, flow meter use, gaseous-pressure not only influence metered volume number, also and gas safe cease manner of breathing
Close.Therefore need to be installed in gas meter, flow meter pressure sensor to detect pressure, in the prior art, usually by pressure sensor
It is directly installed in gas meter, flow meter, but the corrosiveness existed due to combustion gas, and general pressure sensor will be by combustion gas
, there is potential safety hazard in corrosion failure.
Therefore, how to provide a kind of device for pressure measurement for being prevented from exhaust gas corrosion is that those skilled in the art need at present
The technical problem to be solved.
Utility model content
The purpose of this utility model is to provide a kind of device for pressure measurement of gas meter, flow meter, is prevented from exhaust gas corrosion.This reality
A kind of gas meter, flow meter including above-mentioned device for pressure measurement is to provide with new another object, exhaust gas corrosion is prevented from, improved
Security.
In order to solve the above technical problems, the utility model provides a kind of device for pressure measurement of gas meter, flow meter, including it is installed on
Fixed seat inside the gas meter, flow meter, one end of the fixed seat is used to connect the shell of the gas meter, flow meter, the fixed seat
The other end is provided with closed chamber, and circuit board is provided with the closed chamber to communicate to connect the pressure sensor of the circuit board,
The sticky impregnating fluid for completely cutting off the sealing pressure sensor is contained with the closed chamber, use is provided with the fixed seat
Passage inside and outside the connection closed chamber.
Preferably, the circuit board by signal line communications connect external device, the fixed seat include end cap, it is hollow and
Two ends have the housing of opening and cross line plug for the holding wire is passed through first, and the one end open of the housing is used to connect
The shell, another end opening of the housing is connected with the end cap seal, and the first mistake line plug is seal-installed on described
Enclosure interior, and form the closed chamber with the end cap.
Preferably, the circuit board is parallel to each other with the end cap, and the pressure sensor is installed on the circuit board.
Preferably, the passage is arranged at the housing, and the passage diameter parallel in the end cap.
Preferably, one end of the housing passes through connecting cylinder and the cage connection, and the connecting cylinder is away from the housing
One end connect extraneous through the shell.
Preferably, the connecting cylinder interior sealing is provided with second and crosses line plug, also crosses line with described first respectively including two ends
Plug and described second crosses the length adjustment cylinder that line plug offsets, and the holding wire sequentially passes through described first and crosses line plug, the length
Adjustment hole and described second crosses line plug.
Preferably, connecting cylinder is connected through a screw thread the housing and the shell, and the end cap passes through spiral shell with the housing
Tether and connect.
Preferably, it is provided with sealing ring between the end cap and the housing.
Preferably, the sticky impregnating fluid is specially viscous silicone fluid.
The utility model provides a kind of gas meter, flow meter, including shell and the device for pressure measurement that is installed in the shell,
The device for pressure measurement is specially the device for pressure measurement described in above-mentioned any one.
The device for pressure measurement that the utility model is provided, including the fixed seat inside gas meter, flow meter is installed on, the one of fixed seat
Hold the shell for connecting gas meter, flow meter, the other end to be provided with closed chamber, circuit board is installed in closed chamber to communicate to connect circuit
The pressure sensor of plate, is contained with the sticky impregnating fluid for completely cutting off seal pressure sensor in closed chamber, set in fixed seat
There is the passage for communication seals indoor and outdoor.Combustion gas enters closed chamber by passage, because sticky impregnating fluid is with higher
Viscosity, it is ensured that sticky impregnating fluid will not from passage spill while, it is also possible to accurately transmit pressure to pressure sensor, viscosity
Impregnating fluid has good sealing function, prevents corrosion of the combustion gas to pressure sensor, and the electric property to pressure sensor does not have
Have an impact.Present apparatus simple structure, easy for installation simultaneously, non-maintaining, enhances reliability, accuracy and security, can safety
The reality accurately measured in gas meter, flow meter enters pressure.
The utility model also provides a kind of gas meter, flow meter including above-mentioned device for pressure measurement, due to above-mentioned device for pressure measurement
With above-mentioned technique effect, above-mentioned gas meter, flow meter should also have same technique effect, no longer be discussed in detail herein.
Brief description of the drawings
Fig. 1 is a kind of structural representation of specific embodiment of device for pressure measurement provided by the utility model.
Specific embodiment
Core of the present utility model is to provide a kind of device for pressure measurement of gas meter, flow meter, is prevented from exhaust gas corrosion.This reality
A kind of gas meter, flow meter including above-mentioned device for pressure measurement is to provide with new another core, exhaust gas corrosion is prevented from, improved
Security.
In order that those skilled in the art more fully understand the utility model scheme, below in conjunction with the accompanying drawings and specific implementation
The utility model is described in further detail for mode.
Fig. 1 is refer to, Fig. 1 is a kind of structure of specific embodiment of device for pressure measurement provided by the utility model
Schematic diagram.
The device for pressure measurement that the utility model specific embodiment is provided, including it is installed on the fixation inside gas meter, flow meter
Seat, one end of fixed seat connects the shell 13 of gas meter, flow meter, and the other end of fixed seat is provided with closed chamber 3, closed chamber 3 and is provided with
Circuit board 2 is communicating to connect the pressure sensor 4 of circuit board 2.It is contained with closed chamber 3 simultaneously for completely cutting off seal pressure sensing
After the sticky impregnating fluid of device 4, i.e. device are correctly installed, sticky impregnating fluid can flood pressure sensor 4, it is completely cut off with combustion gas
Come, be provided with fixed seat for the passage 6 inside and outside communication seals room 3, closed chamber is entered for the combustion gas in gas meter, flow meter
3.Wherein sticky impregnating fluid can be high-viscosity silicone oil, and isolation works well, and the electric property of pressure sensor 4 will not be produced
Raw influence, also can be using the sticky impregnating fluid of other materials, such as viscous lubrication oil, in protection hair of the present utility model it
It is interior.
Combustion gas enters closed chamber 3 by passage 6, because sticky impregnating fluid has viscosity higher, it is ensured that sticky impregnating fluid
Will not from passage 6 spill while, it is also possible to pressure sensor 4 accurately transmission pressure, sticky impregnating fluid has good
Sealing function, prevents corrosion of the combustion gas to pressure sensor 4, and the electric property on pressure sensor 4 does not influence.While this dress
Simple structure is put, it is easy for installation, it is non-maintaining, reliability, accuracy and security are enhanced, can safety and precise ground measurement gas meter, flow meter
Interior reality enters pressure.
Specifically, circuit board 2 communicates to connect external device by holding wire 12, and wherein location device can be PLC controls
Device, or indicator lamp, for pointing out pressure shape body, can also realize communication connection by the way of radio communication certainly.It is fixed
Seat includes that end cap 1, housing 7 and first cross line plug 8, and the inner hollow of housing 7 and two ends have opening, and first crosses line plug 8 is used to believe
Number line 12 is passed through.One end connected with outer casing 13 of housing 7, the other end and the end cap 1 of housing 7 are tightly connected, i.e., end cap 1 has covered shell
The opening of the other end of body 7, first crosses line plug 8 is seal-installed on inside housing 7, and forms closed chamber 3 with end cap 1.The one of housing 7
End is connected by connecting cylinder 10 with shell 13, and connecting cylinder 10 connects the external world away from one end of housing 7 through shell 13.Connecting cylinder 10
Interior sealing is provided with second and crosses line plug 11, and first crosses between line plug 8 and second crosses line plug 11 and set due to length adjustment cylinder 9, its
Two ends offset with the first line plug 11 excessively of line plug 8 and second excessively respectively, and holding wire 12 sequentially passes through first and crosses line plug 8, length adjustment
Line plug 11 is crossed in hole and second, realizes the connection with external device.
Sealing was improved by setting line plug, and device is adapted to different length by length adjustment cylinder 9, can passed through
The structure such as step and inclined-plane is set and ensures stability, specifically line plug can be crossed using rubber, and with relevant position interference fit, improve
Sealing.Connecting cylinder 10 is connected through a screw thread housing 7 and shell 13, and end cap 1 is bolted with housing 7, and in the He of end cap 1
Sealing ring 5 is provided between housing 7, concretely O-ring seal.Also can use other connected modes, such as clamping and welding,
Fixed seat can be set to integral structure, it is ensured that sealing, though it is unfavorable for dismounting and change, in protection model of the present utility model
Within enclosing.
In the device for pressure measurement that the utility model specific embodiment is provided, circuit board 2 can be mutually flat with end cap 1
OK, while pressure sensor 4 is installed on circuit board 2, circuit board 2 can also be mutually perpendicular to end cap 1, or adjustment pressure sensor
4 installation site.Passage 6 can be arranged at housing 7, and passage 6 diameter parallel in end cap 1, also can be by passage 6
End cap 1 is arranged at, set-up mode and the position of each part is according to circumstances adjusted, within protection domain of the present utility model.
Except above-mentioned device for pressure measurement, specific embodiment of the present utility model also provides a kind of including the survey of above-mentioned pressure
Measure the gas meter, flow meter of device, the structure of the gas meter, flow meter other each several parts refer to prior art, repeat no more herein.
Gas meter, flow meter provided by the utility model and its device for pressure measurement are described in detail above.Herein should
Principle of the present utility model and implementation method are set forth with specific case, the explanation of above example is only intended to side
Assistant solves method of the present utility model and its core concept.It should be pointed out that for those skilled in the art,
On the premise of the utility model principle is not departed from, some improvement and modification can also be carried out to the utility model, these improvement
Also fallen into the utility model scope of the claims with modification.
Claims (10)
1. a kind of device for pressure measurement of gas meter, flow meter, it is characterised in that including the fixed seat being installed on inside the gas meter, flow meter, institute
Stating one end of fixed seat is used to connect the shell (13) of the gas meter, flow meter, and the other end of the fixed seat is provided with closed chamber (3),
Circuit board (2) is installed to communicate to connect the pressure sensor (4) of the circuit board (2), the sealing in the closed chamber (3)
The sticky impregnating fluid for completely cutting off the sealing pressure sensor (4) is contained with room (3), be provided with the fixed seat for
Connect the passage (6) inside and outside the closed chamber (3).
2. device for pressure measurement according to claim 1, it is characterised in that the circuit board (2) is by holding wire (12)
Communication connection external device, the fixed seat includes that end cap (1), hollow and two ends have the housing (7) of opening and for described
The first mistake line plug (8) that holding wire (12) is passed through, the one end open of the housing (7) is used to connect the shell (13), described
Another end opening of housing (7) is tightly connected with the end cap (1), and described first crosses line plug (8) is seal-installed on the housing
(7) it is internal, and form the closed chamber (3) with the end cap (1).
3. device for pressure measurement according to claim 2, it is characterised in that the circuit board (2) and the end cap (1) phase
Mutually parallel, the pressure sensor (4) is installed on the circuit board (2).
4. device for pressure measurement according to claim 3, it is characterised in that the passage (6) is arranged at the housing
(7), and the passage (6) diameter parallel in the end cap (1).
5. device for pressure measurement according to claim 4, it is characterised in that one end of the housing (7) passes through connecting cylinder
(10) it is connected with the shell (13), the connecting cylinder (10) connects away from one end of the housing (7) through the shell (13)
The logical external world.
6. device for pressure measurement according to claim 5, it is characterised in that connecting cylinder (10) interior sealing is provided with
Two cross line plug (11), also cross line plug (8) and described second with described first respectively including two ends and cross the length that line plug (11) offsets
Adjustment barrel (9), the holding wire (12) sequentially passes through described first and crosses line plug (8), the length-adjustment holes and second mistake
Line plug (11).
7. device for pressure measurement according to claim 6, it is characterised in that connecting cylinder (10) is connected through a screw thread the shell
Body (7) and the shell (13), the end cap (1) are bolted with the housing (7).
8. device for pressure measurement according to claim 7, it is characterised in that between the end cap (1) and the housing (7)
It is provided with sealing ring (5).
9. the device for pressure measurement according to claim 1 to 8 any one, it is characterised in that the sticky impregnating fluid tool
Body is viscous silicone fluid.
10. a kind of gas meter, flow meter, including shell (13) and the device for pressure measurement being installed in the shell (13), its feature exist
In the device for pressure measurement is specially the device for pressure measurement described in claim 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621025728.0U CN206269876U (en) | 2016-08-31 | 2016-08-31 | Gas meter, flow meter and its device for pressure measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621025728.0U CN206269876U (en) | 2016-08-31 | 2016-08-31 | Gas meter, flow meter and its device for pressure measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206269876U true CN206269876U (en) | 2017-06-20 |
Family
ID=59035930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621025728.0U Expired - Fee Related CN206269876U (en) | 2016-08-31 | 2016-08-31 | Gas meter, flow meter and its device for pressure measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206269876U (en) |
-
2016
- 2016-08-31 CN CN201621025728.0U patent/CN206269876U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170620 Termination date: 20190831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |