CN205861275U - A kind of combination type differential pressure transmitter - Google Patents
A kind of combination type differential pressure transmitter Download PDFInfo
- Publication number
- CN205861275U CN205861275U CN201620878017.1U CN201620878017U CN205861275U CN 205861275 U CN205861275 U CN 205861275U CN 201620878017 U CN201620878017 U CN 201620878017U CN 205861275 U CN205861275 U CN 205861275U
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- differential pressure
- assembly
- pressure measurement
- measurement chamber
- transmitter
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Abstract
The utility model discloses a kind of combination type differential pressure transmitter, belong to transmitter technical field, it is characterised in that include that assembly A, assembly B, assembly C, described assembly A, assembly B and assembly C can be assembled into rectangular-shaped Transmitter body；Offer differential pressure measurement chamber A, differential pressure measurement chamber A on the sidewall of described assembly A and be communicated with low-pressure port；The sidewall of described assembly B offers the differential pressure measurement chamber B matched with differential pressure measurement chamber A, and the top of assembly B offers pressure measurement chambers, and bottom offers high pressure port；Described differential pressure measurement chamber B, it is interconnected between pressure measurement chambers and high pressure port；The side opening of described assembly C is provided with signal processing chamber, solves the problem that structure is complex, difficulty of processing is high and installation accuracy is low of existing differential pressure transmitter.
Description
Technical field
This utility model relates to transmitter technical field, in particular to a kind of combination type differential pressure transmitter.
Background technology
Differential pressure transmitter is the transmitter of the difference of measuring transducer pressure at two ends；Measured result is pressure differential, differential pressure
They all have 2 pressure interfaces to transmitter unlike general pressure transmitter, and differential pressure transmitter is generally divided into positive pressure side
With negative pressure end, generally, the pressure of the positive pressure side of differential pressure transmitter should be greater than negative pressure section pressure and could measure；Just measure medium
The pressure differential at negative two ends, change into can with the standard current signal of reaction pressure difference, pressure differential by connection at high-pressure side and low
Differential pressure pick-up between pressure side carries out the transmission of pressure, to obtain pressure differential between the air inlet of two ends, and existing differential pressure transporting
The complicated structure of device, and in the course of processing of differential pressure transmitter precision it cannot be guaranteed that, cause affecting differential pressure transmitter
Installation accuracy, be unfavorable for the installation of differential pressure transmitter；On the other hand, existing differential pressure transmitter great majority use columned
Supporting structure, its stress degree is relatively low, easily deforms upon.
Utility model content
The purpose of this utility model is to provide a kind of combination type differential pressure transmitter to reach the difficult processing of differential pressure transmitter
Spend low, machining accuracy is high and improves the purpose of its production efficiency, the structure solving existing differential pressure transmitter is complex, add
The problem that work difficulty is high and installation accuracy is low.
For realizing this utility model purpose, the technical scheme of employing is: a kind of combination type differential pressure transmitter, its feature exists
In, including assembly A, assembly B, assembly C, described assembly A, assembly B and assembly C can be assembled into rectangular-shaped Transmitter body；Institute
Stating and offer differential pressure measurement chamber A on the sidewall of assembly A, differential pressure measurement chamber A is communicated with low-pressure port；The sidewall of described assembly B is opened
Being provided with the differential pressure measurement chamber B matched with differential pressure measurement chamber A, the top of assembly B offers pressure measurement chambers, and bottom offers height
Pressure side mouth；Described differential pressure measurement chamber B, it is interconnected between pressure measurement chambers and high pressure port；The side of described assembly C is offered
There is signal processing chamber.
Further, the sidewall of described assembly B offers the annular notches concentric with the opening of differential pressure measurement chamber B,
Sealing ring it is provided with in annular notches.
Further, in described differential pressure measurement chamber A, sealing is equipped with differential pressure pick-up；Described pressure measxurement intracavity seals dress
It is furnished with pressure inductor.
Further, described assembly A offers threading hole, and threading hole is corresponding with the sidewall of differential pressure pick-up.
Further, the top of described assembly C is additionally provided with Signal connector hole, and Signal connector hole connects with signal processing chamber.
Further, the side mutually assembled between described assembly A, assembly B and assembly C all offer threaded
Hole.
Employing this utility model has the advantage that
1, the application uses the mode being mutually combined to form differential pressure transmitter, has structure more relative to traditional transmitter
Add advantage that is simple, quick and easy for installation and that save factory process cost and difficulty of processing；The application structure design and
All it is disposed with sealing ring in cavity, after each assembly is bolted and fixes, there is better seal, for accurately
Measure differences in pressure has had more reliable guarantee；
2, the differential pressure transmitter of the application is relative to traditional structure, owing to its each composition assembly is all cuboid, just
Process quickly and accurately in factory, be also beneficial to differential pressure transmitter being accurately positioned when mounted, save processing cost, improve
Production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of combination type differential pressure transmitter that this utility model provides；
Fig. 2 is the side view of the assembly B2 of a kind of combination type differential pressure transmitter that this utility model provides；
Fig. 3 is the upward view of a kind of combination type differential pressure transmitter that this utility model provides；
Fig. 4 is that the A-A of a kind of combination type differential pressure transmitter that this utility model provides is to schematic diagram.
Detailed description of the invention
Below by specific embodiment and combine accompanying drawing this utility model is described in further detail.
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 illustrate the structural representation of a kind of combination type differential pressure transmitter that this utility model provides
Figure, including assembly A1, assembly B2, assembly C3, described assembly A1, assembly B2 and assembly C3 can be assembled into rectangular-shaped transmitter master
The side that body, i.e. assembly A1 are relative with assembly B2 is identical, with the side phase of assembly C3 after the splicing of the end face of assembly A1 and assembly B2
With；Offer differential pressure measurement chamber A4, differential pressure measurement chamber A4 on the sidewall of described assembly A1 and be communicated with low-pressure port 5；Described assembly
The sidewall of B2 offers the differential pressure measurement chamber B6 matched with differential pressure measurement chamber A4, and the top of assembly B2 offers pressure measurement chambers
7, bottom offers high pressure port 8；Described differential pressure measurement chamber A4 and differential pressure measurement chamber B6 can be assembled into measurement chamber；Described differential pressure is surveyed
Measure chamber B6, be interconnected between pressure measurement chambers 7 and high pressure port 8；The side opening of described assembly C3 is provided with signal processing chamber
9, signal processing chamber 9 is internal to be used for placing signal processing circuit board.
The annular notches 10 concentric with the opening of differential pressure measurement chamber B6 is offered on the sidewall of described assembly B2；Described difference
Pressure is measured and is coated with annular notches 10 outside the opening of chamber B6, and annular notches 10 is corresponding with the sidewall of assembly A1 and cannelure
It is provided with sealing ring in mouth 10；It is close that sealing ring within annular notches 10 realizes between differential pressure measurement chamber A4 and differential pressure measurement chamber B6
Envelope connects.
Sealing in described differential pressure measurement chamber A4 and be equipped with differential pressure pick-up, differential pressure pick-up is used for testing low-pressure port 5 He
Pressure differential between high pressure port 8；Seal in described pressure measurement chambers 7 and be equipped with pressure inductor；Described differential pressure measurement chamber A4
Sidewall offer the groove matched with differential pressure pick-up and differential pressure pick-up and be connected with differential pressure measurement chamber A4 inner wall sealing, from
And differential pressure pick-up two ends form the atmospheric pressure cavity sealed；Described pressure inductor is for the pressure of testing high voltage port 8 gas.
Described assembly A1 offers threading hole 11, and threading hole 11 is corresponding with the sidewall of differential pressure pick-up, differential pressure pick-up
Wiring enter into signal processing chamber 9 from threading hole 11.
The top of described assembly C3 is additionally provided with Signal connector hole 12, and Signal connector hole 12 connects with signal processing chamber 9；Signal
Nipple orifice 12 connects Signal connector.
Threaded connection hole is all offered on the side of mutually assembling between described assembly A1, assembly B2 and assembly C3；Assembly
Be additionally provided with sealing ring on the assembling side of C3, it is ensured that Transmitter body inner sealing, the inside of threaded connection hole be provided with for
The connecting bolt connected between each assembly.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle
Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (6)
1. a combination type differential pressure transmitter, it is characterised in that include assembly A, assembly B, assembly C, described assembly A, assembly B and
Assembly C can be assembled into rectangular-shaped Transmitter body；Differential pressure measurement chamber A, differential pressure measurement chamber is offered on the sidewall of described assembly A
A is communicated with low-pressure port；The sidewall of described assembly B offers the differential pressure measurement chamber B matched with differential pressure measurement chamber A, assembly B's
Top offers pressure measurement chambers, and bottom offers high pressure port；Described differential pressure measurement chamber B, pressure measurement chambers and high-pressure side
It is interconnected between Kou；The side opening of described assembly C is provided with signal processing chamber.
Combination type differential pressure transmitter the most according to claim 1, it is characterised in that offer on the sidewall of described assembly B
The annular notches concentric with the opening of differential pressure measurement chamber B, is provided with sealing ring in annular notches.
Combination type differential pressure transmitter the most according to claim 1, it is characterised in that seal dress in described differential pressure measurement chamber A
It is furnished with differential pressure pick-up；Described pressure measxurement intracavity seals and is equipped with pressure inductor.
Combination type differential pressure transmitter the most according to claim 1, it is characterised in that described assembly A offers threading hole is logical
String holes is corresponding with the sidewall of differential pressure pick-up.
Combination type differential pressure transmitter the most according to claim 1, it is characterised in that the top of described assembly C is additionally provided with letter
Number nipple orifice, Signal connector hole connects with signal processing chamber.
Combination type differential pressure transmitter the most according to claim 1, it is characterised in that described assembly A, assembly B and assembly C it
Between mutual assembling side on all offer threaded connection hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620878017.1U CN205861275U (en) | 2016-08-12 | 2016-08-12 | A kind of combination type differential pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620878017.1U CN205861275U (en) | 2016-08-12 | 2016-08-12 | A kind of combination type differential pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205861275U true CN205861275U (en) | 2017-01-04 |
Family
ID=57593593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620878017.1U Active CN205861275U (en) | 2016-08-12 | 2016-08-12 | A kind of combination type differential pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205861275U (en) |
-
2016
- 2016-08-12 CN CN201620878017.1U patent/CN205861275U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |