CN203323962U - Flange-type differential pressure transmitter calibration instrument - Google Patents

Flange-type differential pressure transmitter calibration instrument Download PDF

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Publication number
CN203323962U
CN203323962U CN2013204263632U CN201320426363U CN203323962U CN 203323962 U CN203323962 U CN 203323962U CN 2013204263632 U CN2013204263632 U CN 2013204263632U CN 201320426363 U CN201320426363 U CN 201320426363U CN 203323962 U CN203323962 U CN 203323962U
Authority
CN
China
Prior art keywords
hole
flanged
pedestal
cell transmitter
flange
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
Application number
CN2013204263632U
Other languages
Chinese (zh)
Inventor
李飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Liaoning Petrochemical Vocational and Technical College
Original Assignee
Liaoning Petrochemical Vocational and Technical College
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Liaoning Petrochemical Vocational and Technical College filed Critical Liaoning Petrochemical Vocational and Technical College
Priority to CN2013204263632U priority Critical patent/CN203323962U/en
Application granted granted Critical
Publication of CN203323962U publication Critical patent/CN203323962U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A flange-type differential pressure transmitter calibration instrument comprises a base, flanges and a pressure guiding pipe. The base is internally provided with a channel, the channel is provided with a connecting hole in the front surface of the base, and the channel is connected with the pressure guiding pipe through the hole. The upper surface of the base has two threaded holes, the threaded holes are communicated with the channel inside the base, and the two flanges are connected to the threaded holes through threads. The flange-type differential pressure transmitter calibration instrument has the advantages of simple structure, reliable use, low price and the like.

Description

The flanged d p cell transmitter tester
Technical field
The utility model relates to a kind of use for laboratory tester, more specifically, relates to a kind of use for laboratory flanged d p cell transmitter tester.
Background technology
Flanged d p cell transmitter is the important instrument of measuring liquid level, on being installed to device before or all to beat the reliability that static pressure is guaranteed instrument to it during enterprise's overhaul, simultaneously will to the malleation side suppress carry out instrument verification to guarantee the precision of instrument.The general range of flanged d p cell transmitter used at school's Training Room at present is smaller, below 160kPa, bears below the about 2MPa of static pressure greatly, and the specification of ring flange is all unified.
On Vehicles Collected from Market, the calibration equipment of differential pressure transmitter has a lot, precision is high, but the school scope is large, function is complete, substantially can realize the verification of all pressure and differential pressure transmitter, but price does not wait from several ten thousand yuan to hundreds of thousands unit, occupation area of equipment is large, use and complicated operation, be not suitable for very much using in laboratory.
Flanged d p cell transmitter due to its pressure-sensitive part all on ring flange, all very difficult when playing static pressure and verification.
In order to address the above problem, special invention use for laboratory flanged d p cell transmitter tester.
The utility model content
The purpose of this utility model is to provide a kind of use for laboratory flange type differential pressure transmission device, has simple in structurely, uses the advantages such as reliable, cheap.
A kind of flanged d p cell transmitter tester, comprise pedestal, ring flange and connecting pipe; Have passage in pedestal, passage has connecting hole at the pedestal front surface, by this hole, connects connecting pipe; Pedestal upper surface has two threaded holes, and threaded hole is connected with the base interior passage, and two ring flanges are threaded connection in threaded hole.
As further preferred, described passage is porose at the base side mask, and stopper is arranged in the hole of pedestal side.
As further preferred, described pedestal is rectangular parallelepiped.
As further preferred, described connecting pipe is hose or plastic tube.
As further preferred, described ring flange center has through hole, and this through hole and described threaded hole are come round.
Beneficial effect: realize the easy tester designed at laboratory verification flanged d p cell transmitter, the operation of playing static pressure and verification that this invention can be carried out flanged d p cell transmitter, product structure is simple, cheap, can be used for teaching and training.
The accompanying drawing explanation
Fig. 1 is the side view of flanged d p cell transmitter tester;
Fig. 2 is the vertical view of flanged d p cell transmitter tester;
Fig. 3 is the cut-open view of flanged d p cell transmitter tester.
Embodiment
As Figure 1-3, this use for laboratory flanged d p cell transmitter tester is comprised of three parts: pedestal 1, ring flange 2 and connecting pipe (accompanying drawing is not shown).
Pedestal 1 is rectangular parallelepiped, and inside has passage 4, adopts stainless steel material to form.Pedestal 1 upper surface has two threaded holes, and threaded hole is connected with the base interior passage, and two ring flanges are threaded connection in threaded hole.The front of pedestal rectangular parallelepiped has hole 3, and hole is connected with inner passage 4.
As shown in Figure 3, an end of inner passage 4 is in communication with the outside, as standby hole.During use, this end sealing.
As a kind of preferred, the specification of the flanged d p cell transmitter that the size of ring flange has according to laboratory is set, and the ring flange that can reserve other sizes simultaneously uses for the plurality of specifications flanged d p cell transmitter.
Connecting pipe is equipped with two cover connecting pipes according to requirement of experiment, a kind ofly for beating static pressure, adopts withstand voltage hose, a kind of for verification, the employing plastic tube.Connecting pipe can be affixed in the hole in pedestal the place ahead.
Principle of work: while playing the static pressure experiment, connecting pipe is connected to manual pressure test pump, simultaneously that two screw used for flange discs of the ring flange of the positive/negative-pressure side of flanged d p cell transmitter and this tester are fastening, notice that two link together and will install gasket seal additional between ring flange.Because two ring flanges and the connecting pipe of this tester is three-port structure, with manual pressure test pump, by connecting pipe, pass into uniform pressure can to the positive/negative-pressure side simultaneously, the static pressure experiment can be realized beating, the intact degree of flanged d p cell transmitter bellows can be verified by this experiment.
Checking experiment: the ring flange that the malleation side flange of flanged d p cell transmitter is connected to this tester, note sealing, the suction side of transmitter is unsettled, a unsettled side flange dish of this tester connects a blind flange and gets final product, connecting pipe is connected and is connected to Fluck718 or other pressure generators by X-over, so just only have the malleation side to pass into pressure, can realize the verifying work of flanged d p cell transmitter.
This device province place, province's fund, can advance flanged d p cell transmitter fully and beat static pressure and verifying work.School instruction, corporate training and the ideal tools of carrying out new projects' exploitation.
This embodiment just embodies the preferred special case of the utility model spirit, and those skilled in the art fully can be according to the purport of the utility model patent, and flexible, reached best implementation result in addition.The utility model is modified or is equal to replacement, and do not break away from the spirit and scope of the utility model patent, it all should be encompassed in the middle of the claim scope of the utility model patent.

Claims (5)

1. a flanged d p cell transmitter tester, is characterized in that: comprise pedestal, ring flange and connecting pipe; Have passage in pedestal, passage has connecting hole at the pedestal front surface, by this hole, connects connecting pipe; Pedestal upper surface has two threaded holes, and threaded hole is connected with the base interior passage, and two ring flanges are threaded connection in threaded hole.
2. flanged d p cell transmitter tester according to claim 1, it is characterized in that: described passage is porose at the base side mask, and stopper is arranged in the hole of pedestal side.
3. according to the flanged d p cell transmitter tester of claim 1 or 2, it is characterized in that: described pedestal is rectangular parallelepiped.
4. according to the flanged d p cell transmitter tester of claim 1 or 2, it is characterized in that: described connecting pipe is hose or plastic tube.
5. flanged d p cell transmitter tester according to claim 1, it is characterized in that: described ring flange center has through hole, and this through hole and described threaded hole are come round.
CN2013204263632U 2013-07-18 2013-07-18 Flange-type differential pressure transmitter calibration instrument Expired - Fee Related CN203323962U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013204263632U CN203323962U (en) 2013-07-18 2013-07-18 Flange-type differential pressure transmitter calibration instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013204263632U CN203323962U (en) 2013-07-18 2013-07-18 Flange-type differential pressure transmitter calibration instrument

Publications (1)

Publication Number Publication Date
CN203323962U true CN203323962U (en) 2013-12-04

Family

ID=49663301

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013204263632U Expired - Fee Related CN203323962U (en) 2013-07-18 2013-07-18 Flange-type differential pressure transmitter calibration instrument

Country Status (1)

Country Link
CN (1) CN203323962U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103983810A (en) * 2014-05-21 2014-08-13 天津大唐国际盘山发电有限责任公司 Connecting device for verification of oil station differential pressure switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103983810A (en) * 2014-05-21 2014-08-13 天津大唐国际盘山发电有限责任公司 Connecting device for verification of oil station differential pressure switch
CN103983810B (en) * 2014-05-21 2017-01-25 天津大唐国际盘山发电有限责任公司 Connecting device for verification of oil station differential pressure switch

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131204

Termination date: 20150718