CN206695946U - Calibration equipment for pressure transmitter - Google Patents

Abstract

The utility model discloses a kind of calibration equipment for pressure transmitter, including panel, valve member, conduit assembly and the interface module of setting on the panel；The interface module includes at least one connector, the air inlet being connected by the conduit assembly with the connector, exhaust outlet and suppresses mouth；The valve member is arranged on the conduit assembly.Calibration equipment of the present utility model for pressure transmitter, valve member, conduit assembly and interface module are integrated on panel, form the calibration equipment of integration, transmitter can quickly be connected and be verified, it is not required to frequently assemble and disassemble instrument pipeline, human and material resources and financial resources are saved, shorten checking time, improve operating efficiency；Effectively prevent from occurring in checking procedure is carried out the generation for the phenomena of the failure such as instrument one side superpressure, water-filling exhaust be insufficient, protection visual plant is safe.

Description

Calibration equipment for pressure transmitter

Technical field

It the utility model is related to a kind of calibration equipment, more particularly to a kind of calibration equipment for pressure transmitter.

Background technology

(RCP094/095MN, the water level of reactor pressure vessel calculate with reference to pressure fluid level transmitter of the tradition to nuclear power station Power) and pressure switch (RCP077/079SP, the static pressure pressure switch of reactor core water level reference pressure transmitter) verification Work to RCP077/079SP, it is necessary to first verify, then RCP094/095MN is verified.Such a method was verifying Cheng Zhong, easily produce following problem：

1st, easily make instrument one side superpressure, cause 6000 transmitter meters to damage；

2nd, two sets of calibration equipments are needed, cause to expend more manpowers and instrument；

3rd, need frequently dismounting instrument pipeline and return dress instrument pipeline, easily cause joints wear and loosening；

4th, because checking procedure is complicated, it is necessary to instrument it is more and different so that check-verifying period is long.

Utility model content

The technical problems to be solved in the utility model is, there is provided a kind of pressure that is used for for preventing transmitter one side superpressure becomes Send the calibration equipment of device.

Technical scheme is used by the utility model solves its technical problem：A kind of school for pressure transmitter is provided Experiment device, including panel, valve member, conduit assembly and the interface module of setting on the panel；The interface module Including at least one connector, the air inlet being connected by the conduit assembly with the connector, exhaust outlet and suppress mouth； The valve member is arranged on the conduit assembly.

Preferably, the interface module includes two connectors, respectively the first connector and the second connector；

The conduit assembly includes the first pipeline, second pipe and the 3rd pipeline being connected；The two of first pipeline End connects first connector and exhaust outlet respectively, and the both ends of the second pipe connect second connector and entered respectively Gas port, mouth is suppressed described in the connection of described 3rd pipeline one end, the other end connects first pipeline and second pipe.

Preferably, the valve member includes the first regulation being arranged on close to the exhaust outlet on first pipeline Valve, the second regulating valve being arranged on close to the air inlet on the second pipe, it is arranged on first pipeline and the second pipe The first stop valve between road, the second stop valve being arranged on the 3rd pipeline.

Preferably, the conduit assembly also includes the 4th pipeline being connected between first pipeline and second pipe； First stop valve is arranged on the 4th pipeline.

Preferably, the valve member also includes the unloading valve being arranged on the second pipe；The unloading valve is located at The side of second regulating valve away from the air inlet.

Preferably, the valve member also includes the pressure-reducing valve being arranged on the second pipe；The pressure-reducing valve is located at Between the air inlet and the second regulating valve.

Preferably, the calibration equipment also includes the side plate being connected in the panel surrounding, the side plate and panel-shaped The casing opened into side；Open sides of the interface module towards the casing.

Preferably, the calibration equipment also includes several connection flexible pipes；The connection flexible pipe includes connecting the connector The first flexible pipe, the second flexible pipe of the connection air inlet, the 3rd flexible pipe that mouth is suppressed described in connection.

The beneficial effects of the utility model：Valve member, conduit assembly and interface module are integrated on panel, form one The calibration equipment of body, it can quickly connect transmitter and be verified, be not required to frequently assemble and disassemble instrument pipeline, save human and material resources And financial resources, shorten checking time, improve operating efficiency；Effectively prevent from occurring instrument one side superpressure in checking procedure is carried out, fill Water is vented the generation of the phenomenon of the failure such as insufficient, protection visual plant safety.

Brief description of the drawings

Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing：

Fig. 1 is the connection block diagram of the calibration equipment of the embodiment of the utility model one.

Embodiment

In order to which the technical characteristics of the utility model, purpose and effect are more clearly understood, it is detailed now to compare accompanying drawing Illustrate specific embodiment of the present utility model.

As shown in figure 1, the calibration equipment for pressure transmitter of the embodiment of the utility model one, including panel (are not schemed Show), the valve member, conduit assembly and the interface module that are arranged on panel.Interface module includes at least one connector, led to Air inlet 10 that piping component is connected with connector, exhaust outlet 20 and suppress mouth 30；Valve member is arranged on conduit assembly On.

Valve member, conduit assembly and interface module are integrated on panel, form integrated apparatus, verification connection letter Just.Calibration equipment may also include the side plate being connected in panel surrounding, and side plate and panel form the casing that side opens；Interface group Part towards casing open sides, to connect.

Wherein, according to verification needs, interface module may include two connectors, and respectively the first connector 1 and second connects Interface 2.Air inlet 10 is used to connect source of the gas, and the steel cylinder of gas is such as housed.Suppress mouth 30 to be used to connect pressure device, nuclear power station is normal With digital pressure tester, abbreviation DPI.

Conduit assembly may include the first pipeline 11, the pipeline 13 of second pipe 12 and the 3rd being connected.First pipeline 11 Both ends connect the first connector 1 and exhaust outlet 20 respectively, and the both ends of second pipe 12 connect the second connector 2 and air inlet respectively 10, mouth 30 is suppressed in the connection of the one end of the 3rd pipeline 13, and the other end connects the first pipeline 11 and second pipe 12.First pipeline 11, Two pipelines 12 are connected with the 3rd pipeline 13, so as to which the first connector 1 can be respectively with air inlet 10, exhaust outlet 20 and suppressing mouth 30 Connection, the second connector 2 also can meet company during verification respectively respectively with air inlet 10, exhaust outlet 20 and suppressing mouth 30 and connecting Connect needs.

Valve member may include the first regulating valve 21, the second regulating valve 22, the first stop valve 31 and the second stop valve 32.

First regulating valve 21 is arranged on the first pipeline 11 close to exhaust outlet 20, can control the first pipeline 11 and exhaust outlet Break-make between 10, can also adjust capacity.Second regulating valve 22 is arranged on second pipe 12 close to air inlet 10, can control Break-make between second pipe 12 and air inlet 10, can also adjust air inflow.

First stop valve 31 is arranged between the first pipeline 11 and second pipe 12, can control the first pipeline 11 and second The break-make of pipeline 12.Second stop valve 32 is arranged on the 3rd pipeline 13, can control the 3rd pipeline 13 and the first pipeline 11 and the The break-make of two pipelines 12.

Further, conduit assembly also includes the 4th pipeline 14 being connected between the first pipeline 11 and second pipe 12； First stop valve 31 is arranged on the 4th pipeline 14.First connector 1 can pass through the 4th pipeline 14, second pipe 12 and air inlet 10 connections, are connected by the 4th pipeline 14, the 3rd pipeline 13 with mouth 30 is suppressed.Similarly, the second connector 2 can pass through the 4th pipeline 14th, the first pipeline 11 connects with exhaust outlet 20.

Valve member also includes the unloading valve 40 being arranged on second pipe 12；It is remote that unloading valve 40 is located at the second regulating valve 22 From the side of air inlet 10.

Valve member also includes the pressure-reducing valve 50 being arranged on second pipe 12.Pressure-reducing valve 50 is located at air inlet 10 and second Between regulating valve 22.Also pressure-reducing valve 50 can be not provided with second pipe 12, so as to which what is configured by being used as on the steel cylinder of source of the gas subtracts Pressure valve substitutes.

Further, as needed, calibration equipment of the present utility model may also include several connection flexible pipes；Several connections are soft Pipe can reconnect and use independently of panel in verification.

Connection flexible pipe may include to connect the first flexible pipe 61, the second flexible pipe 62 and the 3rd flexible pipe 63；

First flexible pipe 61 is used to be connected with connector, be connected to device to be verified such as pressure switch etc. and connector it Between；First flexible pipe 61 is settable two, corresponds to the first connector 1 and the second connector 2 respectively.

Second flexible pipe 62 connects air inlet 10, to be connected between air inlet 10 and source of the gas.

Mouth 30 is suppressed in the connection of 3rd flexible pipe 63, is suppressed with being connected between mouth 30 and pressure device.

In calibration equipment of the present utility model, connector, air inlet 10, exhaust outlet 20 and suppress mouth 30 and can pass through respectively Fast interface is realized；Snap joint is correspondingly installed on first flexible pipe 61, the second flexible pipe 62 and the 3rd flexible pipe 63, with fast quick access Cause for gossip now quickly connects.

, will during using the utility model verification RCP094/095MN (water level of reactor pressure vessel calculating reference pressure) The positive/negative-pressure side plug of in-situ transducer is connected into the first connector 1 and the second connector 2 by snap joint respectively, suppresses mouth 30 connection pressure devices；The first stop valve is closed, is suppressed by suppressing mouth 30.Suppress with exhaust process, positive/negative-pressure The pressure of side is consistent, and be effectively prevent instrument one side On The Problem Of Overpressure and is reduced the dismounting work of pipe joint and instrument pipeline.

When verifying RCP077/079SP, first interface 1, and the first stop valve 31 and second are connected into by snap joint Stop valve 32 is closed, and gas cylinder is accessed by air inlet 10.Two instrument on the top of pressure-reducing valve 50, Ke Yiguan Real-time pressure is examined, to adjust the pressure required for check meter, in order to avoid hypertonia.When pressure reaches 20bar, close high The pressure-reducing valve 50 of air bottle, stop valve 31 is opened, then by the first anterior regulating valve 21 of exhaust outlet 20 come the slow of control pressure Sustained release is put, and when reaching SP definite values, closes the first regulating valve 21, and records the pressure of the now top instrument of pressure-reducing valve 50, verification Definite value is completed, and SP definite value verified with this.

Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in Other related technical areas, similarly it is included in scope of patent protection of the present utility model.

Claims (8)

1. a kind of calibration equipment for pressure transmitter, it is characterised in that including panel, the valve of setting on the panel Component, conduit assembly and interface module；The interface module includes at least one connector, passes through the conduit assembly and institute State the air inlet that connector is connected（10）, exhaust outlet（20）With suppress mouth（30）；The valve member is arranged on the pipeline On component.

2. calibration equipment according to claim 1, it is characterised in that the interface module includes two connectors, Respectively the first connector（1）With the second connector（2）；

The conduit assembly includes the first pipeline being connected（11）, second pipe（12）With the 3rd pipeline（13）；Described first Pipeline（11）Both ends connect first connector respectively（1）And exhaust outlet（20）, the second pipe（12）Both ends point Second connector is not connected（2）And air inlet（10）, the 3rd pipeline（13）Mouth is suppressed described in the connection of one end（30）, separately One end connects first pipeline（11）And second pipe（12）.

3. calibration equipment according to claim 2, it is characterised in that the valve member includes setting close to the exhaust outlet Put in first pipeline（11）On the first regulating valve（21）, be arranged on the second pipe close to the air inlet（12）On The second regulating valve（22）, be arranged on first pipeline（11）And second pipe（12）Between the first stop valve（31）, set Put in the 3rd pipeline（13）On the second stop valve（32）.

4. calibration equipment according to claim 3, it is characterised in that the conduit assembly also includes being connected to described first Pipeline（11）And second pipe（12）Between the 4th pipeline（14）；First stop valve（31）It is arranged on the 4th pipeline （14）On.

5. calibration equipment according to claim 3, it is characterised in that the valve member also includes being arranged on described second Pipeline（12）On unloading valve（40）；The unloading valve（40）Positioned at second regulating valve（22）Away from the air inlet（10） Side.

6. calibration equipment according to claim 5, it is characterised in that the valve member also includes being arranged on described second Pipeline（12）On pressure-reducing valve（50）；The pressure-reducing valve（50）Positioned at the air inlet（10）With the second regulating valve（22）Between.

7. according to the calibration equipment described in claim any one of 1-6, it is characterised in that the calibration equipment also includes being connected to Side plate in the panel surrounding, the side plate and panel form the casing that side opens；The interface module is towards the case The open sides of body.

8. according to the calibration equipment described in claim any one of 1-6, it is characterised in that the calibration equipment also includes several companies Connect flexible pipe；The connection flexible pipe includes connecting the first flexible pipe of the connector（61）, the connection air inlet the second flexible pipe （62）, the 3rd flexible pipe of mouth is suppressed described in connection（63）.