CN203287154U - Portable pressure gauge calibrator - Google Patents

Portable pressure gauge calibrator Download PDF

Info

Publication number
CN203287154U
CN203287154U CN2013203066764U CN201320306676U CN203287154U CN 203287154 U CN203287154 U CN 203287154U CN 2013203066764 U CN2013203066764 U CN 2013203066764U CN 201320306676 U CN201320306676 U CN 201320306676U CN 203287154 U CN203287154 U CN 203287154U
Authority
CN
China
Prior art keywords
pressure
valve
electrically connected
output
casing
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
CN2013203066764U
Other languages
Chinese (zh)
Inventor
郭凯志
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.)
Nanjing College of Chemical Technology
Original Assignee
Nanjing College of Chemical Technology
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 Nanjing College of Chemical Technology filed Critical Nanjing College of Chemical Technology
Priority to CN2013203066764U priority Critical patent/CN203287154U/en
Application granted granted Critical
Publication of CN203287154U publication Critical patent/CN203287154U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Measuring Fluid Pressure (AREA)

Abstract

The utility model discloses a portable pressure gauge calibrator and belongs to the field of an automation instrument verification calibrator. The portable pressure gauge calibrator is characterized by comprising a casing and a panel, wherein the panel is provided with a pressure-regulating valve, a return detecting valve, a micro-adjustable valve, a first pressure gauge, output pressure joints, a digital display meter, an output current joint, a power control part, a power joint, a resistor network and a pressure transmitter support, wherein a handle and a second pressure gauge are arranged at the top of the casing; an inverted valve, a high-pressure air bottle, an air filtering pressure reducer, a storage battery, a support, a high-pressure air pipe and an output pipeline are installed inside the casing; and the side portion of the casing is provided with a gas source joint. The portable pressure gauge calibrator has the advantages of compact structure, high portability, simple operation and fast and accurate calibration.

Description

The portable pressure calibrating apparatus for general instruments
Technical field
The utility model relates to a kind of manometer tester, belongs to instrument and meter for automation tester field, especially a kind of portable pressure calibrating apparatus for general instruments.
Background technology
Manometer is mounted in on-the-spot instrument, because its quantity is many and easily break down, so its maintenance and maintenance are very large, on-site maintenance to the maintenance one of manometer now, be about to check meter such as indicating gauge, stabilized voltage supply, master gauge, pressure validator etc. and take scene to, because equipment is many and wiring is complicated, and scene does not often have commercial power socket, make maintenance job not only loaded down with trivial details safe not enough, quality inspection also is difficult to guarantee, the 2nd, after being pulled down, manometer takes the verification of instrument check chamber, and not only efficiency is low also very inconvenient.
The utility model content
It is a kind of easy to carry that the technical problems to be solved in the utility model is to provide, and is convenient to field-checking and do not need forcing pump, and verification is a kind of portable pressure calibrating apparatus for general instruments fast and accurately.
for achieving the above object, the utility model is realized by following technical scheme: the portable pressure calibrating apparatus for general instruments, it is characterized in that, comprise casing and panel, on described panel, pressure regulator valve is installed, return the inspection valve, micrometering valve, the first tensimeter, the output pressure joint, digital wash, the output current joint, power supply is controlled, power connection, resistor network, the pressure unit support, be provided with handle and the second tensimeter on the top of described casing, in described casing, reverse checkvalve is installed, gas cylinder, the air filtration decompressor, accumulator, support, high-pressure air pipe, output pipe, sidepiece at described casing is provided with gas source connector.
Further, the utility model according to the syndeton of gas circuit is, gas source connector, reverse checkvalve, gas cylinder, air filtration decompressor, pressure regulator valve connect successively by high-pressure air pipe, gas cylinder be connected tensimeter and connect, pressure regulator valve by output pipe respectively with return inspection valve, micrometering valve, the first tensimeter, output pressure joint and be connected.
Further, the utility model according to the circuit connection structure of verification pressure unit is, power supply is controlled and is connected with storage battery, accumulator is electrically connected to power connection, digital wash respectively, power connection and by the correction power transmitter, being electrically connected to, be electrically connected to by correction power transmitter and output current joint, output current joint and resistor network are electrically connected to, and resistor network and digital wash are electrically connected to.
The beneficial effects of the utility model are, owing to adopting high pressure gas holder as source of the gas, accumulator is as power supply, and proving instrument is rationally integrated, therefore the utlity model has compact conformation, and is easy to carry, simple to operate, and verification is characteristics accurately fast.
Description of drawings
Fig. 1 is casing of the present utility model and panel layout;
Fig. 2 is arrangenent diagram in casing of the present utility model;
Fig. 3 is gas circuit connection structure schematic diagram of the present utility model;
Fig. 4 is the circuit connection structure schematic diagram of verification pressure unit of the present utility model.
In accompanying drawing, the mark implication is as follows:
1, casing 2, panel 3, reverse checkvalve 4, gas cylinder 5, air filtration decompressor 6, pressure regulator valve 7, return inspection valve 8, micrometering valve 9, the first tensimeter 10, the second tensimeter 11, output pressure joint 12, digital wash 13, output current joint 14, power supply controls 15, power connection 16, handle 17, pressure unit support 18, high-pressure air pipe 19, output pipe 20, gas source connector 21, accumulator 22, support 23, resistor network.
Embodiment
The utility model is described in further detail below in conjunction with diagram and specific embodiment.
with reference to Fig. 1, Fig. 2, Fig. 3, the utility model portable pressure calibrating apparatus for general instruments, comprise casing 1 and panel 2, on described panel 2, pressure regulator valve 6 is installed, return inspection valve 7, micrometering valve 8, the first tensimeter 9, output pressure joint 11, digital wash 12, output current joint 13, power supply controls 14, power connection 15, resistor network 23, pressure unit support 17, be provided with handle 16 and the second tensimeter 10 on the top of described casing 1, in described casing 1, reverse checkvalve 3 is installed, gas cylinder 4, air filtration decompressor 5, accumulator 21, support 22, high-pressure air pipe 18, output pipe 19, sidepiece at described casing 1 is provided with gas source connector 20.
With reference to Fig. 3, the utility model portable pressure calibrating apparatus for general instruments, syndeton according to gas circuit is, gas source connector 20, reverse checkvalve 3, gas cylinder 4, air filtration decompressor 5, pressure regulator valve 6 connect successively by high-pressure air pipe 18, gas cylinder 4 be connected tensimeter 10 and connect, pressure regulator valve 6 by output pipe 19 respectively with return inspection valve 7, micrometering valve 8, the first tensimeter 9, output pressure joint 11 and be connected.
With reference to Fig. 4, the utility model portable pressure calibrating apparatus for general instruments, circuit connection structure according to the verification pressure unit is, power supply control 14 and accumulator 21 are electrically connected to, accumulator 21 is electrically connected to power connection 15, digital wash 12 respectively, and power connection 15 and by the correction power transmitter, being electrically connected to is electrically connected to by correction power transmitter and output current joint 13, output current joint 13 and resistor network 23 are electrically connected to, and resistor network 23 and digital wash 12 are electrically connected to.
Further, described power supply is controlled 14 and is comprised power switch and supply socket, supply socket is three sockets, be used for external civil power to accumulator 21 chargings, need not in use to carry power lead, also need not to use civil power, be convenient to on-the-spot the use, power switch is automatic air-break switch, is used for controlling general supply.
Further, described reverse checkvalve 3 and air filtration decompressor 5 are fixedly mounted on support 22.
Further, described power connection 15 comprises two-way 24V direct supply.
Further, described resistor network 23 is comprised of the resistance of several 250 Ω and 50 Ω.
Further, described high-pressure air pipe 18 is the high-pressure hose of inner liner metal material, and its withstand voltage scope is 0-6MPa, and described output pipe 19 is the PU pipe, and its withstand voltage scope is 0-1MPa.
the utility model portable pressure calibrating apparatus for general instruments is when the verification pressure unit, first source of the gas is pressurizeed to gas cylinder 4 by gas source connector 20 and reverse checkvalve 3, pressure in gas cylinder 4 is by the second tensimeter 10 indications, being pressurized to 0.6MPa gets final product, then take the utility model portable pressure calibrating apparatus for general instruments to scene, to be connected by the pressure input end of correction power transmitter connection with the output pressure joint, by the respective terminal of correction power transmitter respectively with output current joint 13, power connection 15 is electrically connected to, start power supply and control 14, operation pressure regulator valve 6, return inspection valve 7, micrometering valve 8, make the first tensimeter 9 indications on checkpoint, indicated by digital wash 12 by the output current of correction power transmitter, start to carry out verification according to the correct checking procedure of pressure unit this moment.
The above carries out exemplary description to utility model by reference to the accompanying drawings; obviously the utility model specific implementation is not subject to the restrictions described above; as long as the non-substantial improvement of having adopted method design of the present utility model and technical scheme to carry out; perhaps without improving, method design of the present utility model and technical scheme are applied directly to other occasions, all within protection domain of the present utility model.

Claims (1)

1. portable pressure calibrating apparatus for general instruments, it is characterized in that, comprise casing (1) and panel (2), pressure regulator valve (6) is installed on described panel (2), return inspection valve (7), micrometering valve (8), the first tensimeter (9), output pressure joint (11), digital wash (12), output current joint (13), power supply is controlled (14), power connection (15), resistor network (23), pressure unit support (17), be provided with handle (16) and the second tensimeter (10) on the top of described casing (1), reverse checkvalve (3) is installed in described casing (1), gas cylinder (4), air filtration decompressor (5), accumulator (21), support (22), high-pressure air pipe (18), output pipe (19), sidepiece at described casing (1) is provided with gas source connector (20),
Comprise above-mentioned parts, syndeton according to gas circuit is, gas source connector (20), reverse checkvalve (3), gas cylinder (4), air filtration decompressor (5), pressure regulator valve (6) connect successively by high-pressure air pipe (18), gas cylinder (4) be connected tensimeter (10) and connect, pressure regulator valve (6) by output pipe (19) respectively with return inspection valve (7), micrometering valve (8), the first tensimeter (9), output pressure joint (11) and be connected;
Comprise above-mentioned parts, circuit connection structure according to the verification pressure unit is, power supply controls (14) and accumulator (21) is electrically connected to, accumulator (21) is electrically connected to power connection (15), digital wash (12) respectively, power connection (15) and by the correction power transmitter, being electrically connected to, be electrically connected to by correction power transmitter and output current joint (13), output current joint (13) and resistor network (23) are electrically connected to, and resistor network (23) and digital wash (12) are electrically connected to.
CN2013203066764U 2013-05-31 2013-05-31 Portable pressure gauge calibrator Expired - Fee Related CN203287154U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013203066764U CN203287154U (en) 2013-05-31 2013-05-31 Portable pressure gauge calibrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013203066764U CN203287154U (en) 2013-05-31 2013-05-31 Portable pressure gauge calibrator

Publications (1)

Publication Number Publication Date
CN203287154U true CN203287154U (en) 2013-11-13

Family

ID=49543510

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013203066764U Expired - Fee Related CN203287154U (en) 2013-05-31 2013-05-31 Portable pressure gauge calibrator

Country Status (1)

Country Link
CN (1) CN203287154U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267608A (en) * 2013-05-31 2013-08-28 南京化工职业技术学院 Portable pressure instrument calibrator
CN104819806A (en) * 2015-04-30 2015-08-05 中国船舶重工集团公司第七○二研究所 High-precision sensor verifying apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267608A (en) * 2013-05-31 2013-08-28 南京化工职业技术学院 Portable pressure instrument calibrator
CN104819806A (en) * 2015-04-30 2015-08-05 中国船舶重工集团公司第七○二研究所 High-precision sensor verifying apparatus
CN104819806B (en) * 2015-04-30 2017-09-26 中国船舶重工集团公司第七○二研究所 A kind of high-precision sensor calibration equipment

Similar Documents

Publication Publication Date Title
CN103267608A (en) Portable pressure instrument calibrator
CN203310480U (en) Two-line three-capacitor sensor liquid level meter
CN103207048A (en) Calibration instrument for low-pressure pressure instrument
CN203287154U (en) Portable pressure gauge calibrator
CN105004963A (en) Current and potential transformer polarity test device
CN205785671U (en) A kind of pressure Multipath batch assay device
CN102323006B (en) Portable pressure calibrator
CN202339227U (en) Portable water meter indication error detection device
CN104343671A (en) Air pump performance test system
CN103278321A (en) Portable electropneumatic valve positioner tester
CN203241194U (en) Calibrator of low-pressure pressure instrument
CN206609856U (en) A kind of density monitor on-line calibration system based on internet
CN203203308U (en) Coolant recovering and filling device
CN203241233U (en) Portable electrical valve positioner calibrator
CN205157393U (en) But vary voltage formula permeability testing arrangement
CN202255759U (en) Portable pressure calibrating instrument
CN203394728U (en) Air pump performance test system
CN203287034U (en) A portable-type calibration instrument for a portable-type electrical pneumatic converter
CN207622957U (en) A kind of sacculus leaks hunting detector
CN103234697A (en) Medium-pressure pressure instrument calibrator
CN203275023U (en) Transformer vacuum measurement special-purpose tool
CN203178034U (en) Automobile pressure sensor testboard
CN203455453U (en) Oil pressure relay detection testing device
CN202305111U (en) Standard air pressure generator
CN203191154U (en) Medium-pressure pressure gauge calibrator

Legal Events

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

Granted publication date: 20131113

Termination date: 20150531

EXPY Termination of patent right or utility model