CN214748169U - Intelligent flow metering device for compressed air - Google Patents
Intelligent flow metering device for compressed air Download PDFInfo
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- CN214748169U CN214748169U CN202121001129.6U CN202121001129U CN214748169U CN 214748169 U CN214748169 U CN 214748169U CN 202121001129 U CN202121001129 U CN 202121001129U CN 214748169 U CN214748169 U CN 214748169U
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Abstract
The utility model relates to an air flow metering equipment technical field especially relates to a compressed air intelligence flow metering device, aims at solving the following defect that prior art exists: the flowmeter of each form has different measurement characteristics, when the compressed air attribute of awaiting measuring is inconsistent with this flowmeter, the error appears easily in the measuring result, its technical scheme is a compressed air intelligence flowmeter volume device, including the gas-supply pipe, be equipped with flow measurement module in the gas-supply pipe, from the inlet end in the flow measurement module to giving vent to anger the end and including being used for gaseous detection submodule in proper order, gaseous reposition of redundant personnel submodule and measurement submodule piece, flow measurement module still includes control module, control module is connected with gaseous detection submodule and gaseous reposition of redundant personnel submodule piece simultaneously, and set up to control module and receive the signal that gaseous detection submodule detected and according to the gaseous reposition of redundant personnel submodule piece of received signal control, this application has the effect that improves the accuracy to compressed air flow measurement.
Description
Technical Field
The application relates to the field of air flow metering equipment, in particular to a metering device of an intelligent compressed air flow.
Background
Compressed air, i.e. air compressed by an external force. The air has compressibility, and the volume of the air is reduced and the pressure of the air is increased by the mechanical work of the air compressor, so that the compressed air is called. Compressed air is an important power source. Compared with other energy sources, the energy source has the following obvious characteristics: the air-permeable fire-resistant composite material is clear and transparent, convenient to convey, free of special harmful performance, free of fire danger, resistant to overload, capable of working in a plurality of adverse environments, wide in source and the like, and air is available everywhere on the ground.
With the development of science and technology, the compressed air energy storage system can store redundant electric energy through compressed air, releases high-pressure air to do work through the expansion machine to generate power when needed, has wide application in the fields of electric power production, transportation, consumption and the like, and is a research and development hotspot of large-scale energy storage technology. The compressed air flow rate is an important parameter for expressing the air compression performance and is also an important parameter in the industrial production process. With the wide application of the air compressor, the accurate measurement of the flow rate of the air compressor is very important for product upgrading, control and monitoring of the industrial production process, energy conservation and emission reduction.
At present, the common air flow metering mainly uses the forms of thermal type, differential pressure, vortex street or orifice plate, etc., the thermal type flowmeter is mainly used for measuring dry compressed air, the vortex street flowmeter is mainly used for measuring large-flow compressed air, and the differential pressure flowmeter is mainly suitable for measuring compressed air with smaller flow.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: each type of flow meter has different measurement characteristics and the measurement is prone to errors when the properties of the compressed air to be measured do not conform to the flow meter.
SUMMERY OF THE UTILITY MODEL
In order to improve the accuracy of compressed air flow measurement, the application provides a compressed air intelligent flow measurement device.
The application provides a pair of compressed air intelligence flow metering device adopts following technical scheme:
the utility model provides a compressed air intelligence flow metering device which characterized in that: including the gas-supply pipe, be equipped with flow measurement module in the gas-supply pipe, from the inlet end in the flow measurement module to giving vent to anger the end and including being used for gaseous detection submodule piece, gaseous reposition of redundant personnel submodule piece and measurement submodule piece in proper order, flow measurement module still includes control module, control module is connected with gaseous detection submodule piece and gaseous reposition of redundant personnel submodule piece simultaneously, and sets up to control module receives the signal that gaseous detection submodule piece detected and according to the gaseous reposition of redundant personnel submodule piece of received signal control.
Through adopting above-mentioned technical scheme, gaseous gas detection submodule piece in the flow measurement module detects gaseous when gaseous through the gas-supply pipe, gaseous detection submodule piece detects behind the relevant parameter who obtains gaseous, gaseous detection module sends the data that detect to control module, control module control gas reposition of redundant personnel submodule piece is shunted gaseous for gaseous can flow to the measurement submodule piece that suits, help selecting the measuring equipment who is applicable to current gas according to the gas characteristic, help improving the accuracy of compressed air flow measurement.
Optionally, the gas detection submodule includes a humidity detection unit for detecting gas humidity, a temperature detection unit for detecting gas temperature, and an air pressure detection unit for predicting gas flow.
Through adopting above-mentioned technical scheme, help detecting compressed air's humidity, temperature, come prediction compressed air's flow through atmospheric pressure simultaneously, help selecting different metering device according to different gas characteristics, and then help improving the accuracy of measurement result.
Optionally, the humidity detection unit is set as a humidity sensor, the temperature detection unit is set as a temperature sensor, and the air pressure detection unit is set as an air pressure sensor.
Through adopting above-mentioned technical scheme, adopt humidity transducer as humidity detecting element, temperature sensor as temperature detecting element, baroceptor as the atmospheric pressure detecting element, help improving the flexibility ratio on the components and parts selection, be convenient for discern the compressed air characteristic.
Optionally, the metering sub-module comprises a plurality of metering units for metering different types of gases respectively.
Through adopting above-mentioned technical scheme, set up a plurality of metering unit and measure respectively the compressed air of different characteristics, help improving the degree of accuracy to compressed air flow measurement result.
Optionally, the gas distribution module comprises a distribution main pipe connected with the gas pipe and a convergence main pipe, the other end of the distribution main pipe is provided with a plurality of distribution branch pipes, a gating unit is arranged between the distribution main pipe and the distribution branch pipes, and the gating unit is connected with the control module.
Through adopting above-mentioned technical scheme, set up the gating unit and restrict compressed air's flow direction, help improving the convenience of compressed air flow direction control, and then realize the differentiation measurement to compressed air, finally reach the effect that improves the measurement result accuracy.
Optionally, each branch flow dividing pipe is connected with one metering unit, and the metering units are further communicated with branch flow converging pipes.
Through adopting above-mentioned technical scheme, every branch pipe that converges carries out solitary gaseous transport to every metering unit, helps reducing the influence between the air current of different characteristics, helps improving the accurate nature of compressed air flow measurement result.
Optionally, one end of each of the plurality of the confluence branch pipes, which is far away from the metering unit, is connected to the confluence main pipe.
Through adopting above-mentioned technical scheme, the branch pipe that converges is connected with the gas-supply pipe through converging the main pipe, helps reducing the complexity that the pipeline set up, and then improves gas transportation's security.
Optionally, the gating unit is configured as an electronic gating valve.
By adopting the technical scheme, the electronic gating valve is adopted as the gating unit, so that the intelligent degree of metering the compressed air flow is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the gas passes through the gas transmission pipe, the gas detection submodule in the flow metering module detects the gas, after the gas detection submodule detects relevant parameters of the gas, the gas detection module sends the detected data to the control module, and the control module controls the gas flow distribution submodule to distribute the gas, so that the gas can flow to the adaptive metering submodule, the metering device suitable for the current gas can be selected according to the gas characteristics, and the metering accuracy of the compressed air flow is improved;
2. the humidity and the temperature of the compressed air can be detected, the flow of the compressed air can be predicted through the air pressure, different metering devices can be selected according to different gas characteristics, and the accuracy of a metering result can be improved;
3. the gating unit is arranged to limit the flow direction of the compressed air, so that convenience in controlling the flow direction of the compressed air is improved, the compressed air is distinguished and metered, and the effect of improving the accuracy of a metering result is achieved finally.
Drawings
FIG. 1 is a schematic view of the overall structure of a compressed air intelligent flow metering device shown in the embodiment of the present application;
fig. 2 is a control flowchart of a compressed air intelligent flow metering device shown in the embodiment of the present application.
Description of reference numerals: 1. a gas delivery pipe; 2. a flow metering module; 21. a gas detection submodule; 211. a humidity detection unit; 212. a temperature detection unit; 213. an air pressure detection unit; 22. a gas flow splitting submodule; 221. a main flow distribution pipe; 222. a branch pipe; 223. a main pipe for collecting current; 224. a branch manifold; 225. a gating unit; 23. a metering submodule; 231. a metering unit; 24. and a control module.
Detailed Description
The present application is described in further detail below with reference to figures 1-2.
Example (b):
the embodiment of the application discloses compressed air intelligent flow metering device.
Referring to fig. 1 and 2, an intelligent flow metering device for compressed air comprises an air pipe 1, a flow metering module 2 is installed in the air pipe 1, the flow metering module 2 comprises an air detection submodule 21 close to an air inlet end of the air pipe 1, the air detection submodule 21 comprises a humidity detection unit 211 for detecting humidity of the compressed air, a temperature detection unit 212 for detecting temperature of the compressed air and an air pressure detection unit 213 for detecting air pressure of the compressed air in the air pipe 1, the humidity detection unit 211 is a humidity sensor, the temperature detection unit 212 is a temperature sensor, the air pressure detection unit 213 is an air pressure sensor, the flow metering module 2 further comprises a control module 24, the control module 24 is a PLC controller, the control module 24 is in signal connection with the humidity detection unit 211, the control module 24 is also connected with both the temperature detection unit 212 and the air pressure detection unit 213, the flow metering module 2 also includes a gas diversion submodule 22, the gas diversion submodule 22 also being connected to the control module 24. The control module 24 is configured to receive signals of temperature, humidity, and pressure of the gas detected by the gas detection submodule 21, and control the operation of the gas diversion submodule 22 according to the received signals. The device for detecting the compressed air is favorable for selecting the device for detecting the compressed air according to the characteristics of the compressed air, and the accuracy of metering the compressed air is further improved conveniently. Specifically, when the compressed air flows through the gas detection submodule 21, the gas detection submodule 21 detects the compressed air, detects the humidity, the temperature and the air pressure of the compressed air, and sends a signal obtained by the detection to the control module 24, the control module 24 compares the signal with a preset value after receiving the signal, and then sends a signal for channel selection to the gating unit 225, and the gating unit 225 opens a corresponding channel for the compressed air to pass through after receiving the signal.
It should be noted that, as the technical solution of the present invention, the hardware setting provided is only for facilitating the channel selection of the compressed air on the basis of the hardware facility, and how to specifically realize the channel selection of the compressed air, which is not the object of the technical problem and protection to be solved by the present invention. Meanwhile, the communication methods among the devices adopt the existing communication methods, which is not the invention point of the application.
Referring to fig. 1 and 2, the flow metering module 2 further comprises a metering submodule 23, the metering submodule 23 comprising a plurality of metering units 231 for different types of gas, respectively, for example: such as thermal flow meters suitable for dry or inert gases; the vortex street type flowmeter is suitable for large-flow gas; the differential pressure type flowmeter is suitable for the differential pressure type flowmeter of gas with smaller flow. The gas distribution submodule 22 comprises a distribution main pipe 221 connected to the gas inlet end of the gas pipe 1, a gating unit 225 is installed at one end, close to the gas pipe 1, of the distribution main pipe 221, the gating unit 225 is in signal connection with the control module 24, the gating unit 225 is set to be an electronic gating valve, a plurality of distribution branch pipes 222 used for independently conveying gas are connected to the other end of the distribution main pipe 221, a metering unit 231 is installed on each distribution branch pipe 222, the distribution branch pipes 222 are set to be the gas inlet ends of the metering units 231, the gas outlet ends of the metering units 231 are connected with a confluence branch pipe 224, the confluence branch pipes 224 are converged on the same confluence main pipe 223, and the confluence main pipe 223 is also connected with the gas outlet end of the gas pipe 1.
The implementation principle of the intelligent flow metering device for compressed air in the embodiment of the application is as follows: when the compressed air flows through the gas detection submodule 21 from the gas pipe 1, the gas detection submodule 21 detects the compressed air, detects the humidity, the temperature and the air pressure of the compressed air, and sends a signal obtained by detection to the control module 24, after the control module 24 receives the signal, the signal is compared with a preset value, then a signal for channel selection is sent to the gating unit 225, after the gating unit 225 receives the signal, the corresponding channel is opened for the compressed air to pass through, then the air pressure obtains flow measurement in the corresponding measurement unit 231, flows to the confluence main pipe 223 through the confluence branch pipe 224, and finally returns to the gas pipe 1 for conveying.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a compressed air intelligence flow metering device which characterized in that: including gas-supply pipe (1), be equipped with flow measurement module (2) in gas-supply pipe (1), from the inlet end to giving vent to anger the end in flow measurement module (2) including being used for gaseous detection submodule piece (21), gaseous reposition of redundant personnel submodule piece (22) and measurement submodule piece (23) in proper order, flow measurement module (2) still includes control module (24), control module (24) are connected with gaseous detection submodule piece (21) and gaseous reposition of redundant personnel submodule piece (22) simultaneously, and set up to control module (24) receive the signal that gaseous detection submodule piece (21) detected and according to the gaseous reposition of redundant personnel submodule piece of received signal control (22).
2. A compressed air intelligent flow metering device according to claim 1, characterized in that: the gas detection submodule (21) comprises a humidity detection unit (211) for detecting the humidity of the gas, a temperature detection unit (212) for detecting the temperature of the gas and an air pressure detection unit (213) for predicting the flow rate of the gas.
3. A compressed air intelligent flow metering device according to claim 2, characterized in that: the humidity detection unit (211) is set as a humidity sensor, the temperature detection unit (212) is set as a temperature sensor, and the air pressure detection unit (213) is set as an air pressure sensor.
4. A compressed air intelligent flow metering device according to claim 1, characterized in that: the metering submodule (23) comprises a plurality of metering units (231) for metering different types of gas, respectively.
5. A compressed air intelligent flow metering device according to claim 4, characterized in that: the gas distribution submodule (22) comprises a distribution main pipe (221) and a convergence main pipe (223) which are connected with the gas conveying pipe (1), the other end of the distribution main pipe (221) is provided with a plurality of distribution branch pipes (222), a gating unit (225) is arranged between the distribution main pipe (221) and the distribution branch pipes (222), and the gating unit (225) is connected with the control module (24).
6. A compressed air intelligent flow metering device according to claim 5, characterized in that: each branch pipe (222) is connected with a metering unit (231), and the metering units (231) are also communicated with a branch pipe (224).
7. A compressed air intelligent flow metering device according to claim 6, characterized in that: one ends of the plurality of the confluence branch pipes (224) far away from the metering unit (231) are connected to a confluence main pipe (223).
8. A compressed air intelligent flow metering device according to claim 5, characterized in that: the gating unit (225) is configured as an electronically gated valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121001129.6U CN214748169U (en) | 2021-05-11 | 2021-05-11 | Intelligent flow metering device for compressed air |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121001129.6U CN214748169U (en) | 2021-05-11 | 2021-05-11 | Intelligent flow metering device for compressed air |
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| Publication Number | Publication Date |
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| CN214748169U true CN214748169U (en) | 2021-11-16 |
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| CN202121001129.6U Active CN214748169U (en) | 2021-05-11 | 2021-05-11 | Intelligent flow metering device for compressed air |
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2021
- 2021-05-11 CN CN202121001129.6U patent/CN214748169U/en active Active
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