CN217111285U - Average differential pressure measuring device - Google Patents
Average differential pressure measuring device Download PDFInfo
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- CN217111285U CN217111285U CN202122755675.5U CN202122755675U CN217111285U CN 217111285 U CN217111285 U CN 217111285U CN 202122755675 U CN202122755675 U CN 202122755675U CN 217111285 U CN217111285 U CN 217111285U
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Abstract
The utility model discloses an average pressure difference measuring device relates to pressure differential measurement technical field, for solving measurement mode and having measurement error for measurement pressure difference precision descends, when measuring great pressure differential, and this measurement mode records pressure differential invalidation, the not good problem of pressure differential measurement effect. The top of device base is provided with the gas tank, and the second is absolutely pressed communicating pipe and is connected structure as an organic whole with the gas tank, the top of gas tank is provided with the intake pipe, and the one end of intake pipe is connected structure as an organic whole with the gas tank, first insulation communicating pipe and second are absolutely pressed and are provided with second baroceptor and first baroceptor on communicating pipe respectively, and second baroceptor and first baroceptor are connected structure as an organic whole with first insulation communicating pipe and second are absolutely pressed communicating pipe respectively, the top of device base is provided with differential pressure transmission, and differential pressure transmission and the equal electric connection of first baroceptor and second baroceptor.
Description
Technical Field
The utility model relates to a differential pressure measurement technical field specifically is an average differential pressure measuring device.
Background
The pressure difference refers to the pressure difference between two points in the system, and in a complex and changeable external environment, the internal pressure of the gas storage bin needs to be strictly controlled, so that the gas storage bin can be guaranteed to keep a good pneumatic appearance in a severe natural environment, and the normal use of the gas storage bin is guaranteed. In order to realize the strict control of the internal pressure of the gas storage bin, the pressure difference between the inside and the outside of the gas storage bin needs to be obtained, and the measurement needs to be carried out by a measuring device, wherein the measuring device refers to the whole of a metering device and auxiliary equipment which are combined for measuring needs.
At present, the air pressure in the inner space and the air pressure in the outer space are measured simultaneously by utilizing one set of pressure measuring device, the measuring method has measuring errors, the precision of the measured pressure difference is reduced, when the larger pressure difference is measured, the measured pressure difference is invalid, the pressure difference measuring effect is not good, the using requirement can not be met, and therefore, the average pressure difference measuring device is urgently needed to solve the problems in the market.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an average pressure difference measuring device to it has measuring error to propose measuring method in solving above-mentioned background art, makes the measuring pressure difference precision descend, when measuring great pressure difference, and this measuring method records pressure difference invalidation, the not good problem of pressure difference measurement effect.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an average differential pressure measuring device, includes device base, first insulation communicating pipe and second absolute pressure communicating pipe, the top of device base is provided with the gas receiver, and second absolute pressure communicating pipe is connected structure as an organic whole with the gas receiver, the top of gas receiver is provided with the intake pipe, and the one end of intake pipe is connected structure as an organic whole with the gas receiver, be provided with second baroceptor and first baroceptor on first insulation communicating pipe and the second absolute pressure communicating pipe respectively, and second baroceptor and first baroceptor are connected structure as an organic whole with first insulation communicating pipe and second absolute pressure communicating pipe respectively, the top of device base is provided with differential pressure transmission, and differential pressure transmission and the equal electric connection of first baroceptor and second baroceptor.
Preferably, an air pressure pump is arranged above the air storage box and connected with the air storage box through screws, and the air pressure pump and the other end of the air inlet pipe are connected into an integral structure.
Preferably, the device base's below is provided with removes the wheel, removes the wheel and is provided with four, and four remove the wheel setting in the four corners of device base, remove the wheel and pass through the screw connection with the device base.
Preferably, the top of device base is provided with electric telescopic handle, and electric telescopic handle passes through bolted connection, four with the device base one side of removing the wheel all is provided with the fixed disk, and the fixed disk passes through bolted connection with electric telescopic handle.
Preferably, one end of the first insulating pressure communicating pipe is provided with a connecting flange plate, a sealing gasket is arranged on the connecting flange plate, and the sealing gasket is attached to the connecting flange plate.
Preferably, a display is arranged above the base of the device and electrically connected with the differential pressure transmission.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a device passes through differential pressure transmission, first baroceptor, the setting of second baroceptor and air compressor pump, first baroceptor can detect the inside atmospheric pressure size of gas storage tank, second baroceptor can detect the atmospheric pressure size in the pipeline that awaits measuring, air compressor pump carries out the comparison with the atmospheric pressure data that detects with the help of differential pressure transmission, record the atmospheric pressure difference, the air compressor pump can pour into the gas storage tank with air pressurization into, adjust the inside atmospheric pressure value of gas storage tank, be convenient for measure the pressure differential of equidimension not. The problem of pressure differential measurement inefficiency is solved.
2. The utility model discloses a device is through removing wheel, fixed disk and electric telescopic handle's setting, is convenient for carry measuring device with the help of removing the wheel, drives the fixed disk and goes up and down under electric telescopic handle's effect, and the fixed disk that descends can realize the fixed of device with the ground contact. The problem of measuring device inconvenient transport fixed is solved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a bottom view of the base of the device of the present invention;
fig. 3 is a connection relationship diagram of the first air pressure sensor and the second air pressure sensor and the differential pressure transmission of the present invention.
In the figure: 1. a device base; 2. a gas storage tank; 3. a push-pull rod; 4. an air pressure pump; 5. an air inlet pipe; 6. an intake valve; 7. a differential pressure transmission; 8. a first air pressure sensor; 9. a second air pressure sensor; 10. a first insulation pressure communicating pipe; 11. connecting a flange plate; 12. a sealing gasket; 13. a first solenoid valve; 14. a moving wheel; 15. fixing the disc; 16. an electric telescopic rod; 17. a display; 18. a second solenoid valve; 19. and a second absolute pressure communicating pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: an average differential pressure measuring device comprises a device base 1, a first absolute pressure communicating pipe 10 and a second absolute pressure communicating pipe 19, wherein a gas storage box 2 is arranged above the device base 1, the second absolute pressure communicating pipe 19 is connected with the gas storage box 2 into an integral structure, a gas inlet pipe 5 is arranged above the gas storage box 2, one end of the gas inlet pipe 5 is connected with the gas storage box 2 into an integral structure, a gas inlet valve 6 is arranged on the gas inlet pipe 5, the gas inlet valve 6 is connected with the gas inlet pipe 5 into an integral structure, the gas inlet pipe 5 can inject gas into the gas storage box 2, a second air pressure sensor 9 and a first air pressure sensor 8 are respectively arranged on the first absolute pressure communicating pipe 10 and the second absolute pressure communicating pipe 19, the second air pressure sensor 9 and the first air pressure sensor 8 are respectively connected with the first absolute pressure communicating pipe 10 and the second absolute pressure communicating pipe 19 into an integral structure, a differential pressure transmission 7 is arranged above the device base 1, and differential pressure transmission 7 passes through bolted connection with device base 1, and differential pressure transmission 7 and the equal electric connection of first baroceptor 8 and second baroceptor 9, and first insulation intercommunication pipe 10 can detect the atmospheric pressure size in the pipeline that awaits measuring, and second baroceptor 9 can detect the atmospheric pressure size in the gas storage tank 2, compares two baroceptor data of surveying with the help of differential pressure transmission 7, realizes the differential pressure measurement.
Further, an air pressure pump 4 is arranged above the air storage tank 2, the air pressure pump 4 is connected with the air storage tank 2 through screws, and the air pressure pump 4 is connected with the other end of the air inlet pipe 5 to form an integral structure. Can inject air compression into gas storage tank 2 through air-pressure pump 4, adjust the inside atmospheric pressure size of gas storage tank 2, can satisfy the measurement of different pressure differential demands.
Further, the lower part of the device base 1 is provided with four moving wheels 14, the four moving wheels 14 are arranged at four corners of the device base 1, the moving wheels 14 are connected with the device base 1 through screws, one side of the device base 1 is provided with a push-pull rod 3, and the push-pull rod 3 is connected with the device base 1 through screws. Handling of the device is facilitated by the push-pull rod 3 and the moving wheels 14.
Further, the electric telescopic rod 16 is arranged above the device base 1, the electric telescopic rod 16 is connected with the device base 1 through screws, the fixed disc 15 is arranged on one side of each of the four movable wheels 14, and the fixed disc 15 is connected with the electric telescopic rod 16 through screws. The fixed disc 15 is driven to lift through the electric telescopic rod 16, and the fixed disc 15 is contacted with the ground to be fixed.
Further, one end of the first insulation pressure communicating pipe 10 is provided with a connecting flange plate 11, a sealing gasket 12 is arranged on the connecting flange plate 11, the sealing gasket 12 is attached to the connecting flange plate 11, the first insulation pressure communicating pipe 10 and the second insulation pressure communicating pipe 19 are respectively provided with a first electromagnetic valve 13 and a second electromagnetic valve 18, and the first electromagnetic valve 13 and the second electromagnetic valve 18 are connected with the first insulation pressure communicating pipe 10 and the second insulation pressure communicating pipe 19 into an integral structure. The first insulating communicating pipe 10 can be connected with the gas bin to be tested through the connecting flange 11, and the first electromagnetic valve 13 and the second electromagnetic valve 18 can control the on-off of the first insulating communicating pipe 10 and the second insulating communicating pipe 19.
Further, a display 17 is disposed above the device base 1, and the display 17 is electrically connected to the differential pressure transmission 7. The display 17 can display the measured data, so that the average differential pressure measurement can be realized by measuring multiple groups of data conveniently.
The working principle is as follows: when the device is used, the air inlet valve 6 is opened, the air pressure pump 4 is started, air is compressed and injected into the air storage box 2 under the action of the air pressure pump 4, the air inlet valve 6 is closed after the air injection is finished, the connecting flange plate 11 is connected with an air bin to be measured, the second electromagnetic valve 18 is opened, the air pressure in the air storage box 2 is measured by the aid of the first air pressure sensor 8, and the first electromagnetic valve 13 is opened, the air pressure in the air bin to be measured is measured by the aid of the second air pressure sensor 9; the differential pressure transmission 7 compares and analyzes the measured air pressure data to realize differential pressure measurement. When the measuring device is moved, the fixed disk 15 is separated from the ground by driving the electric telescopic rod 16, the measuring device is moved to a proper position by the moving wheel 14, and then the electric telescopic rod 16 is driven to contact the fixed disk 15 with the ground, so that the measuring device is fixed.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides an average differential pressure measuring device, includes device base (1), first absolute pressure communicating pipe (10) and second absolute pressure communicating pipe (19), its characterized in that: a gas storage box (2) is arranged above the device base (1), a second absolute pressure communicating pipe (19) is connected with the gas storage box (2) into an integral structure, a gas inlet pipe (5) is arranged above the gas storage box (2), one end of the air inlet pipe (5) is connected with the air storage box (2) into an integral structure, a second air pressure sensor (9) and a first air pressure sensor (8) are respectively arranged on the first absolute pressure communicating pipe (10) and the second absolute pressure communicating pipe (19), and the second air pressure sensor (9) and the first air pressure sensor (8) are respectively connected with the first absolute pressure communicating pipe (10) and the second absolute pressure communicating pipe (19) into an integral structure, a differential pressure speed changer (7) is arranged above the device base (1), and the differential pressure transmission (7) is electrically connected with the first air pressure sensor (8) and the second air pressure sensor (9).
2. The average differential pressure measurement device of claim 1, wherein: an air pressure pump (4) is arranged above the air storage box (2), the air pressure pump (4) is connected with the air storage box (2) through screws, and the air pressure pump (4) is connected with the other end of the air inlet pipe (5) into an integral structure.
3. The average differential pressure measurement device of claim 1, wherein: the device is characterized in that moving wheels (14) are arranged below the device base (1), the number of the moving wheels (14) is four, the four moving wheels (14) are arranged at four corners of the device base (1), and the moving wheels (14) are connected with the device base (1) through screws.
4. A mean differential pressure measuring device as defined in claim 3, wherein: the device is characterized in that an electric telescopic rod (16) is arranged above the device base (1), the electric telescopic rod (16) is connected with the device base (1) through screws, four fixing disks (15) are arranged on one sides of the moving wheels (14), and the fixing disks (15) are connected with the electric telescopic rod (16) through screws.
5. The average differential pressure measurement device of claim 1, wherein: one end of the first insulation pressure communicating pipe (10) is provided with a connecting flange plate (11), a sealing washer (12) is arranged on the connecting flange plate (11), and the sealing washer (12) is attached to the connecting flange plate (11).
6. The average differential pressure measurement device of claim 1, wherein: a display (17) is arranged above the device base (1), and the display (17) is electrically connected with the differential pressure transmission (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122755675.5U CN217111285U (en) | 2021-11-11 | 2021-11-11 | Average differential pressure measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122755675.5U CN217111285U (en) | 2021-11-11 | 2021-11-11 | Average differential pressure measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217111285U true CN217111285U (en) | 2022-08-02 |
Family
ID=82588697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122755675.5U Active CN217111285U (en) | 2021-11-11 | 2021-11-11 | Average differential pressure measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217111285U (en) |
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2021
- 2021-11-11 CN CN202122755675.5U patent/CN217111285U/en active Active
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