CN109708801A - Siphon pressure transmitter - Google Patents
Siphon pressure transmitter Download PDFInfo
- Publication number
- CN109708801A CN109708801A CN201711021378.XA CN201711021378A CN109708801A CN 109708801 A CN109708801 A CN 109708801A CN 201711021378 A CN201711021378 A CN 201711021378A CN 109708801 A CN109708801 A CN 109708801A
- Authority
- CN
- China
- Prior art keywords
- pressure transmitter
- siphon pressure
- siphon
- indicator light
- pedestal
- 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.)
- Pending
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- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of siphon pressure transmitters, the siphon pressure transmitter includes pressure inlet, silicon wafer strain gauge, insulation spacer and transition gasket, the pressure inlet includes adapter tube end, flange and pedestal, the adapter tube end is for connecting water pipe, the silicon wafer strain gauge is located at the middle part in the outside of the pedestal, the insulation spacer is bonded with the side of the pedestal, and the flange is connect with the middle part of the transition gasket, the transition gasket and the cage connection.Siphon pressure transducer design of the invention is exquisite, compact-sized, overcomes the too big problem of Traditional Transmitters volume, can meet the installation under small space environment, expands the scope of application of transmitter.The indicator light of transmitter can instant playback exception, site inspection be more convenient, easy in monitoring process simultaneously.
Description
Technical field
The present invention relates to fire-fighting/water supply water pipe measuring instrument, in particular to a kind of siphon pressure transmitter.
Background technique
Fire-fighting/water supply water pipe can be laid in building or workshop, for the normal work for ensuring water pipe, need to monitor fire-fighting/
For water supply water pipe in the hydraulic pressure of different point/sections, this measuring instrument generally selects pressure monitoring transmitter.With existing in the market
Traditional type transmitter applications it is more and more extensive, user is higher and higher to demands such as the precision, appearance, volume of sensor.City
Common pressure monitoring transmitter is typically only capable to transmitter access signal processing system can just be known the pressure in water pipe on field
Range can not directly know the pressure in water pipe from transmitter.In addition common pressure monitoring transmitter volume is big in the market, no
Convenient for the installation under small space environment.
Summary of the invention
The technical problem to be solved by the present invention is to provide to overcome the bulky defect of pressure transmitter in the prior art
A kind of siphon pressure transmitter.
The present invention is to solve above-mentioned technical problem by following technical proposals:
A kind of siphon pressure transmitter, it is characterized in that, the siphon pressure transmitter includes pressure inlet, silicon wafer strain
Meter, insulation spacer, transition gasket and shell, the pressure inlet include adapter tube end, flange and pedestal, and the adapter tube end is for connecting
Water pipe, the silicon wafer strain gauge are located at the middle part in the outside of the pedestal, and the insulation spacer is bonded with the side of the pedestal,
The flange is connect with the middle part of the transition gasket, the transition gasket and the cage connection.By by silicon wafer strain gauge
It is integrated into insulation spacer and is connect with pressure inlet, can make full use of space, make compact-sized, reduce entire pressure monitoring list
The volume of member.Flange and transition gasket can increase the leakproofness of pressure inlet, at the same can support housing, protect shell preferably
Protect internal structure.
Preferably, being welded to connect between the flange and the transition gasket, between the transition gasket and the shell
It is welded to connect.Welded connecting can make shell stronger, so that the overall structure of siphon pressure transmitter is more compact.
Preferably, the siphon pressure transmitter further includes indicating unit and amplifying circuit, the amplifying circuit is located at institute
It states in shell, the indicating unit includes transparency cover and indicator light, and the indicator light is located in the transparency cover, the transparency cover
With the cage connection, the indicator light is electrically connected with the amplifying circuit.
Indicator light can reflect the pressure state in water pipe in real time, allow the operator to know the pressure in water pipe in advance
State, transparency cover cover on the outside of indicator light, indicator light can be protected not to be damaged.
Preferably, the indicator light is polychromatic light.The indicator light of different colors can make operator under different conditions
It more easily differentiates, operator is made not obscure different pressure states.
Preferably, the indicator light has stitch, the stitch is welded to connect in the amplifying circuit.
Preferably, the transparency cover and the shell injection molding.Transparency cover is moulded in shell as a whole
Together, avoiding problems other unnecessary components, so that structure is more compact.
Preferably, the siphon pressure transmitter further includes conducting wire and crystal connector, one end of the conducting wire and the silicon
The electrical connection of piece strain gauge, the other end of the conducting wire are connected with the crystal connector.It being capable of fast insert-pull inspection using crystal connector
It repairs, and crystal connector can be clearly seen whether conducting wire connection is normal.
Preferably, the siphon pressure transmitter further includes outlet female connector and crimping retaining ring, the crimping retaining ring is set in
On the conducting wire, the outlet female connector is fixed on the housing, and the crimping retaining ring is filled in the outlet female connector.Crimping gear
Circle is capable of fixing conducting wire, avoids destroying internal circuit because of external tensile force.
Preferably, the insulation spacer is Nian Jie with the pedestal.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can any combination to get each preferable reality of the present invention
Example.
The positive effect of the present invention is that: siphon pressure transducer design of the invention is exquisite, compact-sized, overcomes
The too big problem of Traditional Transmitters volume, can meet the installation under small space environment, expand the scope of application of transmitter.
The indicator light of transmitter can instant playback exception, site inspection be more convenient, easy in monitoring process simultaneously.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the siphon pressure transmitter of present pre-ferred embodiments.
Description of symbols:
Pressure inlet 10
Take over end 11
Flange 12
Pedestal 13
Silicon wafer strain gauge 20
Insulation spacer 31
Transition gasket 32
Amplifying circuit 40
Shell 51
Transparency cover 52
Indicator light 53
Conducting wire 61
Crystal connector 62
Outlet female connector 63
Crimping retaining ring 64
Specific embodiment
The present invention is further illustrated below by the mode of embodiment, but does not therefore limit the present invention to the reality
It applies among a range.
The siphon pressure transmitter of the present embodiment, as shown in Figure 1, siphon pressure transmitter includes that pressure inlet 10, silicon wafer are answered
Become meter 20, insulation spacer 31, transition gasket 32 and shell 51, pressure inlet 10 includes adapter tube end 11, flange 12 and pedestal 13, adapter tube
For connecting water pipe, silicon wafer strain gauge 20 is located at the middle part in the outside of pedestal 13, the side of insulation spacer 31 and pedestal 13 at end 11
Fitting, flange 12 are connect with the middle part of transition gasket 32, and transition gasket 32 is connect with shell 51.32 energy of flange 12 and transition gasket
Enough increase pressure inlet 10 leakproofness, while can support housing 51, so that shell 51 is preferably protected internal structure.By by silicon
Piece strain gauge 20 and insulation spacer 31 are integrated into be connect with pressure inlet 10, can make full use of space, makes compact-sized, is reduced
The volume of entire pressure monitoring unit.Compact structure design meet the outer dimension of transmitter can under small space environment
Installation.Sensing element using silicon wafer strain gauge 20 as output can make transmitter's precision more stable.
It is welded to connect between flange 12 and transition gasket 32, is welded to connect between transition gasket 32 and shell 51.Felt pad
Piece 31 is Nian Jie with pedestal 13.Welded connecting can make shell 51 stronger, so that the overall structure of siphon pressure transmitter is more
It is compact.
Siphon pressure transmitter further includes indicating unit and amplifying circuit 40, and amplifying circuit 40 is located in shell 51, instruction
Unit includes transparency cover 52 and indicator light 53, and indicator light 53 is located in transparency cover 52, and transparency cover 52 is connect with shell 51, indicator light
53 are electrically connected with amplifying circuit 40.Indicator light 53 can reflect the pressure state in water pipe in real time, allow the operator to shift to an earlier date
Know that the pressure state in water pipe, transparency cover 52 cover on 53 outside of indicator light, indicator light 53 can be protected not to be damaged.
Indicator light 53 is polychromatic light, shows corresponding color by signal that circuit provides.It is different under different conditions
The indicator light 53 of color can make operator be easier to differentiate, and operator is made not obscure different pressure states.Immediately
Light shows that the difference that different color representative sensors is found in monitoring process is abnormal, and site inspection is more convenient, holds
Easily.Indicator light 53 has stitch, and stitch is welded to connect in amplifying circuit 40.Transparency cover 52 and 51 injection molding of shell.Transparency cover
52 are molded together with shell 51 as a whole, and avoiding problems other unnecessary components, so that structure is more
It is compact.
Siphon pressure transmitter further includes conducting wire 61 and crystal connector 62, and one end and the silicon wafer strain gauge 20 of conducting wire 61 are electrically connected
It connects, the other end of conducting wire 61 is connected with crystal connector 62.Using crystal connector 62 can fast insert-pull maintenance, and crystal connector
62 can be clearly seen whether conducting wire 61 connects normally.Siphon pressure transmitter further includes outlet female connector 63 and crimping retaining ring
64, crimping retaining ring 64 is set on conducting wire 61, and outlet female connector 63 is fixed on shell 51, and crimping retaining ring 64 fills in outlet female connector 63
In.Crimping retaining ring 64 is capable of fixing conducting wire 61, avoids destroying internal circuit because of external tensile force.
When installation, the flange 12 that will take over mouth 10 first forms component by argon arc welding with transition gasket 32,
Again then insulation spacer 31 is bonded on pressure inlet 10 by the sintering of silicon wafer strain gauge 20 on the pedestal 13 of pressure inlet 10, then
Amplifying circuit 40 is bonded on insulation spacer 31, by technological operation, makes transmitter semi-finished product.Outlet female connector 63 is logical
It crosses and is weldingly fixed on shell 51, form 51 component of shell.Crimping retaining ring 64 is set on conducting wire 61, then conducting wire 61 is passed through
One end of conducting wire 61 is welded on amplifying circuit 40 by the hole of outlet female connector 63, then by transmitter semi-finished product module and shell
51 components are installed together, and by being welded and fixed, then crimping retaining ring 64 are filled in the hole of outlet female connector 63, and by dedicated
Equipment compresses it, and forms hex surface, and upper crystal connector 62 is finally pressed in the end of conducting wire 61, and product is completed.By compact
Installation, can make the degree of protection of transmitter be increased to IP67.
The siphon pressure transducer design of the present embodiment is exquisite, compact-sized, and it is too big to overcome Traditional Transmitters volume
Problem can meet the installation under small space environment, expand the scope of application of transmitter.The indicator light of transmitter can simultaneously
Instant playback is abnormal in monitoring process, and site inspection is more convenient, easy.
Although specific embodiments of the present invention have been described above, it will be appreciated by those of skill in the art that this is only
For example, protection scope of the present invention is to be defined by the appended claims.Those skilled in the art without departing substantially from
Under the premise of the principle and substance of the present invention, many changes and modifications may be made, but these change and
Modification each falls within protection scope of the present invention.
Claims (9)
1. a kind of siphon pressure transmitter, which is characterized in that the siphon pressure transmitter include pressure inlet, silicon wafer strain gauge,
Insulation spacer, transition gasket and shell, the pressure inlet include adapter tube end, flange and pedestal, and the adapter tube end is for connecting water
Pipe, the silicon wafer strain gauge are located at the middle part in the outside of the pedestal, and the insulation spacer is bonded with the side of the pedestal, institute
It states flange to connect with the middle part of the transition gasket, the transition gasket and the cage connection.
2. siphon pressure transmitter as described in claim 1, which is characterized in that welded between the flange and the transition gasket
It connects, is welded to connect between the transition gasket and the shell in succession.
3. siphon pressure transmitter as described in claim 1, which is characterized in that the siphon pressure transmitter further includes instruction
Unit and amplifying circuit, the amplifying circuit are located in the shell, and the indicating unit includes transparency cover and indicator light, described
Indicator light is located in the transparency cover, and the transparency cover and the cage connection, the indicator light are electrically connected with the amplifying circuit
It connects.
4. siphon pressure transmitter as claimed in claim 3, which is characterized in that the indicator light is polychromatic light.
5. siphon pressure transmitter as claimed in claim 3, which is characterized in that the indicator light has stitch, the stitch
It is welded to connect in the amplifying circuit.
6. siphon pressure transmitter as claimed in claim 3, which is characterized in that the transparency cover is molded into the shell
Type.
7. siphon pressure transmitter as described in claim 1, which is characterized in that the siphon pressure transmitter further includes conducting wire
And crystal connector, one end of the conducting wire are electrically connected with the silicon wafer strain gauge, the other end of the conducting wire is connected with the water
Brilliant connector.
8. siphon pressure transmitter as claimed in claim 7, which is characterized in that the siphon pressure transmitter further includes outlet
Female connector and crimping retaining ring, the crimping retaining ring are set on the conducting wire, and the outlet female connector is fixed on the housing, described
Crimping retaining ring is filled in the outlet female connector.
9. the siphon pressure transmitter as described in claim 1 to 8 any one, which is characterized in that the insulation spacer and institute
State pedestal bonding.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711021378.XA CN109708801A (en) | 2017-10-26 | 2017-10-26 | Siphon pressure transmitter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711021378.XA CN109708801A (en) | 2017-10-26 | 2017-10-26 | Siphon pressure transmitter |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109708801A true CN109708801A (en) | 2019-05-03 |
Family
ID=66252965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711021378.XA Pending CN109708801A (en) | 2017-10-26 | 2017-10-26 | Siphon pressure transmitter |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109708801A (en) |
-
2017
- 2017-10-26 CN CN201711021378.XA patent/CN109708801A/en active Pending
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190503 |
|
WD01 | Invention patent application deemed withdrawn after publication |