CN206095365U - Gas flowmeter check out test set - Google Patents
Gas flowmeter check out test set Download PDFInfo
- Publication number
- CN206095365U CN206095365U CN201621013143.7U CN201621013143U CN206095365U CN 206095365 U CN206095365 U CN 206095365U CN 201621013143 U CN201621013143 U CN 201621013143U CN 206095365 U CN206095365 U CN 206095365U
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- CN
- China
- Prior art keywords
- gas
- module
- flowmeter
- valve
- detection
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- Expired - Fee Related
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Abstract
The utility model provides a gas flowmeter check out test set, including gas transmission module, valve group module and the detection module who connects gradually, wherein, valve group module includes at least one valve branch pipe, sets up the flowmeter that awaits measuring among the detection module. The utility model provides an enough simulate the different environment condition, detect the gas flowmeter check out test set of flowmeter application scope and stability.
Description
Technical field
The utility model is related to flowmeter detection technique field, more specifically, is related to a kind of gas flowmeter detection and sets
It is standby.
Background technology
With coming into operation in a large number for domestic gas meter, gas flowmeter detection requires also to improve constantly.But current gas collection
The calculating of body flow, temperature, pressure, gas component and its correlative flow and the measuring apparatus imperfection of volume amendment one.
The measurement of combustion gas domestic flow meter in gas flowmeter belongs to that flow is little, the relatively large flowmeter of wave amplitude, because
This needs to measure gas flow, temperature, pressure, the several parameters of gas component when flowmeter is detected, then by these measurement letters
Number flow computer or volume correction instrument are input to, are being computed and compensated for according to flow rate calculation equation of gaseous state, finally given
Mark condition flow.
The parameter such as gas mark condition volume flow, temperature, pressure, gas component in detection stream gauge, one amount of any of which
Measurement is inaccurate, the accuracy that can all affect flowmeter to measure.At present domestic gas meter epithelium table does not account for temperature, pressure etc.
The impact of factor, actually carries out operating mode volume metering, but how to demarcate correlation flowmeters, one is accomplished by here and stably may be used
The equipment for leaning on is demarcated.Existing flowmeter testing equipment cannot simulate varying environment condition, and with detection stream gauge model is suitable for
Enclose and stability.
Utility model content
For problem present in correlation technique, the purpose of this utility model is to provide one kind to simulate varying environment
The gas flowmeter testing equipment of condition, the detection stream gauge scope of application and stability.
For achieving the above object, the utility model provides a kind of gas flowmeter testing equipment, defeated including what is be sequentially connected
Gas module, valve group module and detection module, wherein, valve group module includes at least one valve manifold, sets in detection module
Put flowmeter to be measured.
According to one embodiment of the present utility model, valve manifold is multiple, and multiple valve manifolds are connected in parallel to each other；Valve group
Module includes valve manifold and the valve being connected on valve manifold, is to close completely during closing to fully open when valve is opened
Close；Detection module includes constant temperature cabinet and the flowmeter to be measured being arranged in constant temperature cabinet；Set in detection module or valve manifold
Put at least one proving flowmeter.
According to one embodiment of the present utility model, gas transmission module includes：For accommodating the distribution module of detection gas；And
For to detecting the compression module that gas is pressurizeed, the gas access of compression module to connect with the gas vent of distribution module, its
In, the gas vent of compression module is communicated to valve group module.
According to one embodiment of the present utility model, distribution module includes bell jar and at least one air bag, wherein, bell jar connects
The gas access of compression module is connected to, wherein, air bag is arranged on inside bell jar；Or air bag is arranged on outside bell jar.
According to one embodiment of the present utility model, the gas vent of detection module is also connected with bell jar.
According to one embodiment of the present utility model, the gas vent of detection module is connected to gas reservoir.
According to one embodiment of the present utility model, the entrance and exit of flowmeter to be measured is respectively provided with least one temperature
Pressure sensor.
According to one embodiment of the present utility model, between distribution module, compression module, valve group module and detection module
It is detachably connected.
Advantageous Effects of the present utility model are：
In the gas flowmeter testing equipment that the utility model is related to, temperature can be controlled, under condition of different temperatures
Detect flowmeter to be measured；And provide the detection gas of steady pressure by gas transmission module, it is possible to make flowmeter to be measured in difference
Detected under the conditions of detection atmospheric pressure；Further, it is also possible to pass through valve group module control detection throughput, to obtain treating flow measurement
Relevant parameter of the gauge under different flow.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model gas flowmeter testing equipment；
Fig. 2 is the schematic diagram of the gas flowmeter testing equipment of the utility model embodiment 1；
Fig. 3 is the schematic diagram of the gas flowmeter testing equipment of the utility model embodiment 2；
Fig. 4 is the partial schematic diagram of the utility model one embodiment valve group module；
Specific embodiment
Below with reference to accompanying drawing, embodiment of the present utility model is described in detail.
See figures.1.and.2, Fig. 1 shows the process flow diagram of the utility model gas flowmeter testing equipment, scheme
2 is the schematic diagram of the gas flowmeter testing equipment of the utility model embodiment 1.Embodiment is related to a kind of gas flowmeter detection
Equipment, including gas transmission module T, valve group module E and detection module C that are sequentially connected, valve group module E includes at least one valve
Door arm 14, wherein, detection module C includes flowmeter to be measured 5.
In the above-described embodiments, can be existed with obtaining flowmeter to be measured 5 by valve group module E control detection throughput
Relevant parameter under different flow.
As shown in figure 4, according to one embodiment of the present utility model, valve manifold 14 is multiple, multiple valve manifolds 14
It is connected in parallel to each other；Valve group module E includes valve manifold 14 and the valve 13 being connected on valve manifold 14, and valve 13 is when opening
Fully open, be to completely close during closing；Detection module C includes constant temperature cabinet 10 and is arranged in constant temperature cabinet 10 to treat flow measurement
Gauge 5；At least one proving flowmeter 11 is set in detection module C or valve manifold 14.As such, it is possible to pass through to control constant temperature
The temperature of cabinet 10, detects flowmeter to be measured 5 under condition of different temperatures.
It is to be understood that valve group module E is used to provide stable throughput for flowmeter to be measured 5, therefore, shutoff valve
Should completely close during door 13, it is to avoid under test gas are escaped, also, make under test gas enter flowmeter to be measured 5 when valve 13 is opened
When, valve should be fully opened, this allows the gas flow in each valve manifold 14 equivalent to the standard of valve manifold 14
Flow, makes the gas flow for entering flowmeter to be measured 5 more accurate, and avoids opening not exclusively affect due to valve 13 entering to be measured
The accuracy of the gas flow of flowmeter 5.
According to one embodiment of the present utility model, gas transmission module T includes：For accommodating the distribution modules A of detection gas；With
And for detecting the compression module B that gas is pressurizeed, the gas access of compression module to connect with the gas vent of distribution modules A
It is logical, wherein, the gas vent of compression module B is communicated to valve group module E.Wherein, distribution modules A is used to be carried to compression module B
For detection gas to be measured, compression module B is used to supply steady pressure for detection air lift to be measured.As such, it is possible to pass through gas transmission module T
There is provided the detection gas of steady pressure, it is possible to flowmeter to be measured 5 is detected under the conditions of different detection atmospheric pressures.
Referring again to Fig. 2, according to embodiment of the present utility model 1, distribution modules A includes the air bag of bell jar 7 and at least one
1, wherein, bell jar 7 is connected to the gas access of compression module B, wherein, air bag 1 is arranged on inside bell jar 7.Or, such as Fig. 3 institutes
The embodiment 2 shown, it should it is appreciated that the present embodiment is with the difference of previous embodiment：Air bag 1 is arranged on bell jar 7
It is outside.Other same parts are no longer described herein.It should also be understood that each embodiment of the present utility model is not
It is individually present, can be combined with each other with arbitrary form between each embodiment and be replaced.
Further, gas diffusion mouth can be provided with air bag 1 to be connected with bell jar 7, the gas in air bag 1 can be conveyed
Store into bell jar 7.Or, in embodiment 2 as described in Figure 3, air bag 1 is connected to compression module after connecting with bell jar 7.
In one alternative embodiment of the utility model, gas flowmeter testing equipment can include two gas being connected respectively with bell jar 7
Capsule 1.In the above-described embodiments, proportioning can be carried out according to detection gas proportion of composing, gas can be directly entered subsequently after proportioning
System (in compression module B), also can be temporarily stored in the bell jar 7 of distribution modules A.
According to one embodiment of the present utility model, the gas vent of detection module C is also connected with bell jar 7.So, according to
Concrete condition, detection gas is continued experiment in the bell jar 7 of distribution modules A can be back to after detection module C and is used.
Or, according to one embodiment of the present utility model, the gas vent of detection module C is connected to gas reservoir 6.This
Sample, detection gas centralized collection in it can enter gas reservoir 6 after detection module C is processed.
When the gas configured in distribution modules A is entered in compression module B, imported valve 8 is closed.It is new according to this practicality
One embodiment of type, compression module B is configured to constant pressure compression system 2.The constant pressure compression system can using deadweight pressurization or
Person's hydraulic equipment, according to pressure requirements low pressure typically using weight deadweight pressurization, high pressure is pressurizeed or oil pressure using hydraulic equipment
Machine.For example, as shown in Figures 2 and 3, in some embodiments of the present utility model, constant pressure compression system 2 is configured to deadweight pressurization and sets
Standby, the weight of wherein weight 12 is balanced by counterweight, and the pressure that the weight after balance is provided is the detection gas of conveying
Pressure.When experiment is started, outlet valve 9 is opened, gas is entered in detection module C.
According to one embodiment of the present utility model, the entrance and exit of flowmeter to be measured 5 is respectively provided with least one temperature
Degree pressure sensor 4.
That is, in the above-described embodiments, along the flow direction of under test gas, temperature and pressure transmitter has been sequentially connected in series it
4th, flowmeter to be measured 5 and another temperature and pressure transmitter 4.As such, it is possible to by positioned at the upstream and downstream of flowmeter to be measured 5
Temperature and pressure transmitter 4 measures respectively detection gas to be measured and enters temperature and pressure before and after flowmeter to be measured 5, can be with
Draw the pressure loss situation of flowmeter to be measured 5.
Also, it is to be understood that in the above-described embodiments, the gas access of flowmeter to be measured 5 is passed by temperature, pressure
Sensor 4 is connected with valve group module E.
According to one embodiment of the present utility model, valve group module E includes valve manifold 14 and is connected to valve manifold
Valve 13 on 14, is to completely close during closing to fully open when valve 13 is opened.In one embodiment, normal flow
Meter 11 is only connected in a valve manifold 14, and other branch roads are revised according to the proving flowmeter 11, in test process
Detection to different flow is realized by Open valve 13.
According to an alternative embodiment of the present utility model, valve 13 is configured to explosion-proof operated pneumatic valve, the structure of valve manifold 14
Make as fixed -piping, the flow that valve manifold 14 passes through is fixed or can measure, and can be passed through in test process
Standard-sized sheet valve is realized treating the detection of flow measurement gauge different flow.
As shown in figure 4, in one embodiment of the present utility model, also including in valve group module E flat with draw-in groove 3
Platform, valve manifold 14 is arranged on platform by draw-in groove 3.Platform is according to the range and precision of flowmeter to be measured 5 by same model
Valve manifold 14 be fixed on platform, i.e., the valve manifold 14 installed on the platform tested twice may be different, for example, peace
The flow of valve manifold 14 of dress can have 5m3/h、1m3/ h or more different flows.That is, in once testing,
The flow all same of the valve manifold 14 of installation, when the range and precision of flowmeter to be measured change, can change different flow
Valve manifold 14 tested.
According to one embodiment of the present utility model, distribution modules A, compression module B, valve group module E and detection module C
Between be detachably connected.So, when needing cleaning or changing certain module, the module of required replacing can be dismantled.
And it is possible to be required to carry out type selecting assembling to above-mentioned module according to detection, in one embodiment, added using flexible pipe between module
Pipe clamp is attached, and is both needed to detect the air-tightness of equipment before detection every time.
In one embodiment of the present utility model, natural gas is adopted to detect gas, in distribution modules A, can be to two
Methane and nitrogen are each led in individual air bag 1, it would however also be possible to employ now the natural gas of market is directly as detection gas.Here adopt
Methane and nitrogen are used as detection gas.
In the present embodiment, flowmeter range to be detected is 60m3/ h, precision is 10m3/h.Here valve group module E
Valve manifold 14 selects 10m3The arm of/h, by the valve manifold 14 of a bandgap calibration flowmeter 11 and five without demarcation stream
The valve manifold 14 of gauge 11 is installed in parallel in the draw-in groove 3 of platform, and is connected with other modules and carried out hermeticity experiment, and one
Cut it is ready after, simple substance methane gas and nitrogen are injected in bell jar 7 carries out subsequent experimental.
Constant temperature cabinet 10 is set to be warmed up to 20 DEG C.After constant temperature cabinet 10 is warmed up to 20 DEG C, outlet valve 9 is opened, detection gas is entered
In valve group module E, by the controlling brancher of operated pneumatic valve 13, the flow of each valve manifold 14 is 10m to valve group module E3/ h,
First the valve manifold 14 of standard-sized sheet bandgap calibration flowmeter 11, detects that actual flow is how many, follow-up root by proving flowmeter 11
The valve 13 of other five valve manifolds 14 of standard-sized sheet is carried out according to detection, the detection of gamut is carried out.Detection gas enters constant temperature cabinet 10
In can be heated up by straight-run of pipe, Simultaneous Stabilization detect gas flow velocity.During the Real-time Collection pressure of temperature and pressure transmitter 4
Power, temperature data.
Detection gas is finally back in the bell jar 7 of distribution modules A and is used to continue experiment.
Consider stability here using the flow less than or equal to range when detection stream gauge maximum range.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (8)
1. a kind of gas flowmeter testing equipment, it is characterised in that including the gas transmission module (T), the valve group module that are sequentially connected
(E) and detection module (C),
Wherein, the valve group module (E) includes at least one valve manifold (14),
Flowmeter (5) to be measured is set in the detection module (C).
2. gas flowmeter testing equipment according to claim 1, it is characterised in that
The valve manifold (14) is multiple, and multiple valve manifolds (14) are connected in parallel to each other；
The valve group module (E) includes the valve manifold (14) and the valve being connected on the valve manifold (14)
(13) it is to completely close during closing to fully open when, the valve (13) is opened；
The detection module (C) includes constant temperature cabinet (10) and the flowmeter described to be measured being arranged in the constant temperature cabinet (10)
(5)；
At least one proving flowmeter (11) is set in the detection module (C) or the valve manifold (14).
3. gas flowmeter testing equipment according to claim 1, it is characterised in that the gas transmission module (T) includes：
For accommodating the distribution module (A) of detection gas；And
For the compression module (B) pressurizeed to the detection gas, the gas access of the compression module and the distribution mould
The gas vent connection of block (A),
Wherein, the gas vent of the compression module (B) is communicated to the valve group module (E).
4. gas flowmeter testing equipment according to claim 3, it is characterised in that the distribution module (A) includes clock
Cover (7) and at least one air bag (1), wherein, the bell jar (7) is connected to the gas access of compression module (B),
Wherein, the air bag (1) is arranged on the bell jar (7) inside；Or the air bag (1) is arranged on the bell jar (7) outward
Portion.
5. gas flowmeter testing equipment according to claim 4, it is characterised in that the gas of the detection module (C)
Outlet is also connected with the bell jar (7).
6. gas flowmeter testing equipment according to claim 1, it is characterised in that the gas of the detection module (C)
Outlet is connected to gas reservoir (6).
7. gas flowmeter testing equipment according to claim 2, it is characterised in that the entrance of the flowmeter to be measured and
Outlet is respectively provided with least one temperature and pressure transmitter.
8. gas flowmeter testing equipment according to claim 3, it is characterised in that the distribution module (A), it is described plus
It is detachably connected between die block (B), the valve group module (E) and the detection module (C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621013143.7U CN206095365U (en) | 2016-08-31 | 2016-08-31 | Gas flowmeter check out test set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621013143.7U CN206095365U (en) | 2016-08-31 | 2016-08-31 | Gas flowmeter check out test set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206095365U true CN206095365U (en) | 2017-04-12 |
Family
ID=58477504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621013143.7U Expired - Fee Related CN206095365U (en) | 2016-08-31 | 2016-08-31 | Gas flowmeter check out test set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206095365U (en) |
-
2016
- 2016-08-31 CN CN201621013143.7U patent/CN206095365U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170720 Address after: Henan province 475004 City Road No. 90 song Patentee after: KAIFENG ENN GAS ENGINEERING CO.,LTD. Address before: The 065001 Hebei economic and Technological Development Zone of Langfang Huaxiang new Austrian Science and Technology Park in the Southern District of B City Patentee before: ENN SCIENCE & TECHNOLOGY DEVELOPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20210831 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |