CN112067192A - Detection device for differential pressure transmitter - Google Patents
Detection device for differential pressure transmitter Download PDFInfo
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- CN112067192A CN112067192A CN202011046106.7A CN202011046106A CN112067192A CN 112067192 A CN112067192 A CN 112067192A CN 202011046106 A CN202011046106 A CN 202011046106A CN 112067192 A CN112067192 A CN 112067192A
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- pressure
- air inlet
- air
- controller
- differential pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
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- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a detection device for a differential pressure transmitter, which comprises a shell and the differential pressure transmitter, wherein a high-pressure air pump is arranged on one side of the bottom end in the shell, a first pressure controller is arranged at one end of the high-pressure air pump, a supporting partition plate is arranged in the shell, a low-pressure air pump is arranged at the top end of the supporting partition plate, a second pressure controller is arranged at one end of the low-pressure air pump, a controller is arranged on one side of the supporting partition plate, a second air pressure meter is connected with the second pressure controller, a control panel is arranged on one side of the front surface of the shell, a first air inlet and a second air inlet are arranged on the bottom end of one side of the differential pressure transmitter, and the first air inlet and the second air inlet are connected with the first pressure controller. Has the advantages that: can detect differential pressure transmitter's measurement accuracy, detect through two sets of air pumps, effectively improve the accuracy of testing result, it is rational in infrastructure, convenient to use.
Description
Technical Field
The invention relates to the technical field of differential pressure transmitter detection, in particular to a detection device for a differential pressure transmitter.
Background
The differential pressure transmitter is a typical self-balancing detecting instrument, and utilizes the working principle of negative feedback to overcome the influence of adverse factors such as element material and processing technology, etc., and is used for preventing medium in the pipeline from directly entering into the transmitter, and the pressure sensing diaphragm is connected with the transmitter by means of a fluid-filled capillary tube. It is used to measure the level, flow and pressure of liquid, gas or steam, and then convert them into electric signal output. After long-time use, the measurement precision of the differential pressure transmitter needs to be detected, and the existing detection device has inaccurate detection result, complex operation and inconvenient use.
Patent No. 201911238980.8 discloses a high static pressure differential transmitter detection device, it is through setting up the gasbag in detection device's four edges, uses the rubber hose intercommunication between, detects whether gas leakage of detection device through the state that detects the balloon, avoids causing certain error to differential pressure transmitter's detection, but it only through a set of detection mode, can't get rid of the error that detects itself and produce, can't detect the contrast, can not further improve the accuracy nature that detects.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The present invention provides a detection device for a differential pressure transmitter, which is directed to the problems in the related art, so as to overcome the above technical problems in the related art.
Therefore, the invention adopts the following specific technical scheme:
a detection device for a differential pressure transmitter comprises a shell and the differential pressure transmitter, wherein a high-pressure air pump is arranged on one side of the bottom end in the shell, one end of the high-pressure air pump is provided with a first pressure controller, a supporting clapboard is arranged inside the shell, a low-pressure air pump is arranged at the top end of the supporting clapboard, a pressure controller II is arranged at one end of the low-pressure air pump, a controller is arranged on one side of the supporting clapboard, a first barometer and a second barometer are arranged at the top end of the shell, the first barometer is connected with the first pressure controller, the second barometer is connected with the second pressure controller, a control panel is arranged on one side of the front surface of the shell, a first air inlet and a second air inlet are arranged at the bottom end of one side of the differential pressure transmitter, the first air inlet and the second air inlet are connected with the first pressure controller and the second pressure controller in a matched mode through a four-way valve.
Furthermore, the four-way valve is composed of a first air inlet, a second air inlet, a first air outlet and a second air outlet.
Furthermore, a first valve is arranged in the middle of the four-way valve, a second valve is arranged on the first air outlet, and a third valve is arranged on the second air outlet.
Furthermore, the first air inlet and the second pressure controller, the second air inlet and the first pressure controller, the first air outlet and the first air inlet, and the second air outlet and the second air inlet are respectively connected in a matching manner through high-pressure air pipes.
Furthermore, a placing chamber is arranged at the top end of one side in the shell.
Furthermore, a door body is arranged on the front surface of the placing chamber.
The invention has the beneficial effects that: through setting up the detection device who is used for differential pressure transmitter who comprises casing, differential pressure transmitter, high pressure air pump, pressure controller one, supporting diaphragm, low pressure air pump, pressure controller two, controller, barometer one, barometer two, control panel, first air inlet, second air inlet, cross valve to can detect differential pressure transmitter's measurement accuracy, detect through two sets of air pumps, effectively improve the accuracy of testing result, rational in infrastructure, convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a sensing device for a differential pressure transmitter according to an embodiment of the present invention;
FIG. 2 is a front view of a sensing device for a differential pressure transmitter according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a four-way valve structure of a detection device for a differential pressure transmitter according to an embodiment of the present invention.
In the figure:
1. a housing; 2. a differential pressure transmitter; 3. a high pressure air pump; 4. a first pressure controller; 5. supporting the partition plate; 6. a low pressure air pump; 7. a second pressure controller; 8. a controller; 9. a first barometer; 10. a second barometer; 11. a control panel; 12. a first air inlet; 13. a second air inlet; 14. a four-way valve; 15. a first air inlet; 16. a second air inlet; 17. a first air outlet; 18. a second air outlet; 19. a first valve; 20. a second valve; 21. a third valve; 22. a high-pressure air pipe; 23. a placing chamber; 24. a door body.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
In accordance with an embodiment of the present invention, a sensing device for a differential pressure transmitter is provided.
Embodiment 1 as shown in fig. 1 to 3, a detection apparatus for a differential pressure transmitter according to an embodiment of the present invention includes a housing 1 and a differential pressure transmitter 2, a high pressure air pump 3 is disposed on one side of a bottom end inside the housing 1, a pressure controller i 4 is disposed at one end of the high pressure air pump 3, a support partition 5 is disposed inside the housing 1, a low pressure air pump 6 is disposed at a top end of the support partition 5, a pressure controller ii 7 is disposed at one end of the low pressure air pump 6, a controller 8 is disposed on one side of the support partition 5, a barometer i 9 and a barometer ii 10 are disposed at a top end of the housing 1, the barometer i 9 is connected to the pressure controller i 4, the barometer ii 10 is connected to the pressure controller ii 7, a control panel 11 is disposed on one side of a front surface of the housing 1, a first air inlet 12 and a second air inlet 13 are disposed at a bottom end of the differential pressure transmitter 2, and a four-way valve 14 is disposed And (4) matching and connecting.
By means of the technical scheme, through setting up the detection device who is used for differential pressure transmitter by casing 1, differential pressure transmitter 2, high-pressure air pump 3, pressure controller 4, supporting diaphragm 5, low pressure air pump 6, pressure controller 7, controller 8, barometer 9, barometer 10, control panel 11, first air inlet 12, second air inlet 13, cross valve 14 constitutes, thereby can detect differential pressure transmitter's measurement accuracy, detect through two sets of air pumps, effectively improve the accuracy of testing result, and is rational in infrastructure, convenient to use.
Embodiment 2 as shown in fig. 1 and 3, the four-way valve 14 is composed of a first inlet port 15, a second inlet port 16, a first outlet port 17 and a second outlet port 18 in addition to embodiment 1.
Embodiment 4 is based on embodiment 2, as shown in fig. 1 and 3, the first air inlet 15 and the second pressure controller 7, the second air inlet 16 and the first pressure controller 4, the first air outlet 17 and the first air inlet 12, and the second air outlet 18 and the second air inlet 13 are respectively connected by a high-pressure air pipe 22 in a matching manner.
Example 5 in addition to example 1, as shown in fig. 1, a storage chamber 23 is provided at the top end of one side inside the casing 1.
In example 6, as shown in fig. 1, a door 24 is provided on the front surface of the storage chamber 23 in addition to example 5.
Embodiment 7 as shown in fig. 1 to 3, the detection apparatus for a differential pressure transmitter includes a housing 1 and a differential pressure transmitter 2, a high pressure air pump 3 is disposed at one side of an inner bottom end of the housing 1, a first pressure controller 4 is disposed at one end of the high pressure air pump 3, a support partition 5 is disposed inside the housing 1, a low pressure air pump 6 is disposed at a top end of the support partition 5, a second pressure controller 7 is disposed at one end of the low pressure air pump 6, a controller 8 is disposed at one side of the support partition 5, a first barometer 9 and a second barometer 10 are disposed at a top end of the housing 1, the first barometer 9 is connected to the first pressure controller 4, the second barometer 10 is connected to the second pressure controller 7, a control panel 11 is disposed at one side of a front surface of the housing 1, a first air inlet 12 and a second air inlet 13 are disposed at a bottom end of one side of the differential pressure transmitter 2, and the first air inlet 12 and the second air inlet 13 are;
the four-way valve 14 is composed of a first air inlet 15, a second air inlet 16, a first air outlet 17 and a second air outlet 18, a first valve 19 is arranged in the middle of the four-way valve 14, a second valve 20 is arranged on the first air outlet 17, a third valve 21 is arranged on the second air outlet 18, the first air inlet 15 is connected with a second pressure controller 7, the second air inlet 16 is connected with a first pressure controller 4, the first air outlet 17 is connected with the first air inlet 12, the second air outlet 18 is connected with the second air inlet 13 through high-pressure air pipes 22 in a matched mode, a placing chamber 23 is arranged on the top end of one side inside the shell 1, and a door body 24 is arranged on the front face of the placing chamber 23.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the differential pressure transmitter 2 is connected with the first pressure controller 4 and the second pressure controller 7 through the four-way valve 14, during detection, the high-pressure air pump 3 is started first, air pressure is adjusted, opening and closing of the first valve 19, the second valve 20 and the third valve 21 are controlled, so that air is respectively fed into the first air inlet 12 and the second air inlet 13, whether the air pressure detected by the differential pressure transmitter 2 is the same as the set air pressure is detected, then the high-pressure air pump 3 is closed, the low-pressure air pump 6 is started, the air pressure is adjusted, opening and closing of the first valve 19, the second valve 20 and the third valve 21 are controlled, air is fed into the first air inlet 12 and the second air inlet 13 again, whether the air pressure detected by the differential pressure transmitter 2 is the same as the set air pressure is detected, and finally the high-pressure air pump 3 and the low-.
In summary, according to the above technical solution of the present invention, by providing the detection device for the differential pressure transmitter, which is composed of the housing 1, the differential pressure transmitter 2, the high pressure air pump 3, the first pressure controller 4, the supporting partition 5, the low pressure air pump 6, the second pressure controller 7, the controller 8, the first barometer 9, the second barometer 10, the control panel 11, the first air inlet 12, the second air inlet 13, and the four-way valve 14, the measurement accuracy of the differential pressure transmitter can be detected, and the detection is performed by the two sets of air pumps, so that the accuracy of the detection result is effectively improved, the structure is reasonable, and the use is convenient.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The detection device for the differential pressure transmitter is characterized by comprising a shell (1) and the differential pressure transmitter (2), wherein a high-pressure air pump (3) is arranged on one side of the bottom end inside the shell (1), a first pressure controller (4) is arranged at one end of the high-pressure air pump (3), a support partition plate (5) is arranged inside the shell (1), a low-pressure air pump (6) is arranged at the top end of the support partition plate (5), a second pressure controller (7) is arranged at one end of the low-pressure air pump (6), a controller (8) is arranged on one side of the support partition plate (5), a first barometer (9) and a second barometer (10) are arranged on the top end of the shell (1), the first barometer (9) is connected with the first pressure controller (4), and the second barometer (10) is connected with the second pressure controller (7), the pressure controller is characterized in that a control panel (11) is arranged on one side of the front face of the shell (1), a first air inlet (12) and a second air inlet (13) are arranged at the bottom end of one side of the differential pressure transmitter (2), and the first air inlet (12) and the second air inlet (13) are connected with the first pressure controller (4) and the second pressure controller (7) in a matched mode through a four-way valve (14).
2. Detection device for a differential pressure transmitter according to claim 1, characterized in that the four-way valve (14) is constituted by a first inlet (15), a second inlet (16), a first outlet (17) and a second outlet (18).
3. The detecting device for a differential pressure transmitter according to claim 2, characterized in that a first valve (19) is provided at a middle position of the four-way valve (14), a second valve (20) is provided at the first air outlet (17), and a third valve (21) is provided at the second air outlet (18).
4. The detecting device for differential pressure transmitter according to claim 2, characterized in that the first air inlet (15) and the second pressure controller (7), the second air inlet (16) and the first pressure controller (4), the first air outlet (17) and the first air inlet (12), and the second air outlet (18) and the second air inlet (13) are respectively connected by matching with a high-pressure air pipe (22).
5. The detecting device for differential pressure transmitter according to claim 1, characterized in that the top end of one side inside the housing (1) is provided with a placing chamber (23).
6. The detecting device for a differential pressure transmitter according to claim 5, characterized in that the front face of the placing chamber (23) is provided with a door (24).
7. The detection device for the differential pressure transmitter according to claim 1, comprising a housing (1) and the differential pressure transmitter (2), wherein a high pressure air pump (3) is arranged at one side of the bottom end inside the housing (1), a pressure controller I (4) is arranged at one end of the high pressure air pump (3), a support partition plate (5) is arranged inside the housing (1), a low pressure air pump (6) is arranged at the top end of the support partition plate (5), a pressure controller II (7) is arranged at one end of the low pressure air pump (6), a controller (8) is arranged at one side of the support partition plate (5), a barometer I (9) and a barometer II (10) are arranged at the top end of the housing (1), the barometer I (9) is connected with the pressure controller I (4), and the barometer II (10) is connected with the pressure controller II (7), a control panel (11) is arranged on one side of the front face of the shell (1), a first air inlet (12) and a second air inlet (13) are arranged at the bottom end of one side of the differential pressure transmitter (2), and the first air inlet (12) and the second air inlet (13) are connected with the first pressure controller (4) and the second pressure controller (7) in a matched mode through a four-way valve (14);
the four-way valve (14) is composed of a first air inlet (15), a second air inlet (16), a first air outlet (17) and a second air outlet (18), a first valve (19) is arranged at the middle position of the four-way valve (14), a second valve (20) is arranged on the first air outlet (17), a third valve (21) is arranged on the second air outlet (18), the first air inlet (15) and the second pressure controller (7), the second air inlet (16) and the first pressure controller (4), the first air outlet (17) and the first air inlet (12) and the second air outlet (18) and the second air inlet (13) are respectively connected in a matching way through high-pressure air pipes (22), a placing chamber (23) is arranged at the top end of one side in the shell (1), and a door body (24) is arranged on the front face of the placing chamber (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011046106.7A CN112067192A (en) | 2020-09-29 | 2020-09-29 | Detection device for differential pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011046106.7A CN112067192A (en) | 2020-09-29 | 2020-09-29 | Detection device for differential pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112067192A true CN112067192A (en) | 2020-12-11 |
Family
ID=73683487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011046106.7A Withdrawn CN112067192A (en) | 2020-09-29 | 2020-09-29 | Detection device for differential pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112067192A (en) |
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2020
- 2020-09-29 CN CN202011046106.7A patent/CN112067192A/en not_active Withdrawn
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20201211 |