CN215261906U - Integrated multi-parameter differential pressure flowmeter based on gas transmission - Google Patents
Integrated multi-parameter differential pressure flowmeter based on gas transmission Download PDFInfo
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- CN215261906U CN215261906U CN202121671924.6U CN202121671924U CN215261906U CN 215261906 U CN215261906 U CN 215261906U CN 202121671924 U CN202121671924 U CN 202121671924U CN 215261906 U CN215261906 U CN 215261906U
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Abstract
The utility model relates to the technical field of data acquisition, concretely relates to integral type many parameters differential pressure flowmeter based on gas transmission, include, differential pressure sensor connects a pressure pipe for acquire differential pressure signal, and exports differential pressure signal to signal processing circuit, and temperature sensor connects the body, is used for acquiring temperature signal, and exports temperature signal to processing unit; the pressure sensor is connected with the pressure guiding pipe and used for acquiring a pressure signal and outputting the pressure signal to the processing unit; the processing unit is used for respectively receiving the differential pressure signal, the temperature signal and the pressure signal, converting the differential pressure signal, the temperature signal and the pressure signal to form a processing signal and outputting the processing signal to the flow calculating unit; and the flow calculating unit is used for forming a differential pressure value matched with the differential pressure signal, and/or a temperature value matched with the temperature signal, and/or a pressure value matched with the pressure signal according to the processing signal.
Description
Technical Field
The utility model relates to a data acquisition technical field, concretely relates to integral type many parameters differential pressure flowmeter based on gas transmission.
Background
At present, the traditional differential pressure flowmeter and the commonly used differential pressure flowmeter are still used in a large quantity in the gas flow calculation in the industrial field, differential pressure data are transmitted to a flow integrating instrument through a differential pressure sensor and converted into current flow data, then a temperature sensor and a static pressure sensor transmit temperature and pressure data to the flow integrating instrument, and the compensated flow is calculated. The requirement is that at least three sensors and one flow integrating instrument are needed on site, the flow calculating cost is high, three sensors need to be installed in a gas transmission pipeline, the requirement on the tightness of the transmission pipeline is high, and the more sensors are installed, the poorer the tightness of the pipeline is.
SUMMERY OF THE UTILITY MODEL
To prior art's defect, the utility model provides an integral type many parameter differential pressure flowmeter based on gas transmission specifically.
An integrated multi-parameter differential pressure flowmeter based on gas transmission, which comprises,
the differential pressure sensor is connected with a pressure leading pipe and used for acquiring a differential pressure signal and outputting the differential pressure signal to the signal processing circuit,
the temperature sensor is connected with a pipe body and used for acquiring a temperature signal and outputting the temperature signal to the processing unit;
the pressure sensor is connected with the pressure guiding pipe and used for acquiring a pressure signal and outputting the pressure signal to the processing unit;
the processing unit is used for respectively receiving the differential pressure signal, the temperature signal and the pressure signal, converting the differential pressure signal, the temperature signal and the pressure signal to form a processing signal and outputting the processing signal to the flow calculation unit;
and the flow calculating unit is used for forming a differential pressure value matched with the differential pressure signal, and/or a temperature value matched with the temperature signal, and/or a pressure value matched with the pressure signal according to the processing signal.
Preferably, the above-mentioned gas transfer based integrated multi-parameter differential pressure flow meter, wherein; the storage unit is used for storing the differential pressure value, the temperature value and/or the pressure value.
Preferably, the above-mentioned gas transfer based integrated multi-parameter differential pressure flow meter, wherein; the device also comprises a display unit which is used for displaying the differential pressure value, the temperature value and/or the pressure value.
Preferably, the above-mentioned gas transfer based integrated multi-parameter differential pressure flow meter, wherein; the transmission unit is used for transmitting the differential pressure value, the temperature value and/or the pressure value.
Preferably, the above-mentioned gas transfer based integrated multi-parameter differential pressure flow meter, wherein; the pressure guiding pipe comprises at least two pressure guiding pipes.
Preferably, the above-mentioned gas transfer based integrated multi-parameter differential pressure flow meter, wherein; the pressure pipe is characterized by further comprising a pipe body for gas to flow, and the pipe body is arranged on a connecting port matched with the pressure guiding pipe.
Compared with the prior art, the beneficial effects of this application are:
the temperature sensor is arranged on the surface of the pipe body, the differential pressure sensor and the pressure sensor are fixedly arranged on the pressure guiding pipe, the pressure in the pressure guiding pipe is the same as the pressure in the pipe body, and the differential pressure sensor and the pressure sensor measure the gas pressure in the pressure guiding pipe to obtain the state of the gas pressure in the pipe body. In addition, the pressure guiding pipe can be used for installing a differential pressure sensor and a pressure sensor and acquiring a differential pressure signal and a pressure signal, the temperature sensor is arranged on the surface of the pipe body to acquire a current temperature signal, the processing unit is used for calculating, displaying and transmitting flow data, and two paths of pressure acquisition, one path of temperature acquisition, calculation of flow and display and transmission are integrated on one instrument, so that the function integration is realized, the production cost is reduced, meanwhile, the leakage point on the pipe body is reduced, and the sealing performance of the pipe body is guaranteed.
Drawings
Fig. 1 is a schematic structural diagram of an integrated multi-parameter differential pressure flowmeter based on gas transmission according to an embodiment of the present application.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
As shown in fig. 1, an integrated multi-parameter differential pressure flowmeter based on gas transmission includes a pipe body 1 for gas to flow, in the pipe body is disposed at a connection port 3 matched with a pressure introduction pipe 2, the pressure introduction pipe 2 is welded on the pipe body 1, and further includes:
the differential pressure sensor is connected with a pressure guiding pipe 2 and used for acquiring a differential pressure signal and outputting the differential pressure signal to the signal processing circuit, the differential pressure sensor at least comprises two interfaces, and the two interfaces are connected with different pressure guiding pipes 2.
The temperature sensor is connected with the pipe body 1 and used for acquiring a temperature signal and outputting the temperature signal to the processing unit;
the pressure sensor is connected with the pressure leading pipe 2 and used for acquiring a pressure signal and outputting the pressure signal to the processing unit;
the processing unit is used for respectively receiving the differential pressure signal, the temperature signal and the pressure signal, converting the differential pressure signal, the temperature signal and the pressure signal to form a processing signal and outputting the processing signal to the flow calculation unit; the processing unit can be an analog-to-digital conversion unit and is mainly used for converting the differential pressure signal, the temperature signal and the pressure signal into corresponding digital signals and outputting the digital signals.
And the flow calculating unit is used for forming a differential pressure value matched with the differential pressure signal, and/or a temperature value matched with the temperature signal, and/or a pressure value matched with the pressure signal according to the processing signal.
The utility model discloses in, temperature sensor sets up in the body surface, through drawing and pressing pipe fixed mounting differential pressure sensor, draws the pressure in the pipe and the pressure in the body the same, and differential pressure sensor, pressure sensor measure the state that can acquire body internal gas pressure to drawing intraductal gas pressure of pipe. In addition, the pressure guiding pipe can be used for installing a differential pressure sensor and a pressure sensor and acquiring a differential pressure signal and a pressure signal, the temperature sensor is arranged on the surface of the pipe body to acquire a current temperature signal, the processing unit is used for calculating, displaying and transmitting flow data, and two paths of pressure acquisition, one path of temperature acquisition, calculation of flow and display and transmission are integrated on one instrument, so that the function integration is realized, the production cost is reduced, meanwhile, the leakage point on the pipe body is reduced, and the sealing performance of the pipe body is guaranteed.
It should be noted that, the differential pressure signal and the pressure signal are in a linear relationship with the differential pressure value and the pressure value, the conversion between the differential pressure signal and the pressure signal and between the differential pressure value and the pressure value can be realized by the prior art, and the temperature signal and the temperature value can be obtained by a lookup table. The technical solutions all belong to the prior art, and are not described herein.
As a further preferred embodiment, the above-described integrated multi-parameter differential pressure flow meter based on gas transport, wherein; the storage unit is used for storing the differential pressure value, the temperature value and/or the pressure value.
As a further preferred embodiment, the above-described integrated multi-parameter differential pressure flow meter based on gas transport, wherein; the device also comprises a display unit which is used for displaying the differential pressure value, the temperature value and/or the pressure value.
As a further preferred embodiment, the above-described integrated multi-parameter differential pressure flow meter based on gas transport, wherein; the transmission unit is used for transmitting the differential pressure value, the temperature value and/or the pressure value.
As a further preferred embodiment, the above-described integrated multi-parameter differential pressure flow meter based on gas transport, wherein; the pressure guiding pipe 2 comprises at least two.
As a further preferred embodiment, the above-mentioned integrated multi-parameter differential pressure flowmeter based on gas transmission further includes a power supply unit, the power supply unit is connected to the processing unit, the storage unit, the transmission unit and the display unit, the power supply unit includes a first power supply and a second power supply, the first power supply is connected to the mains supply, the second power supply is a dc power supply, and in a state where the first power supply is not in operation, the second power supply provides electric energy for the processing unit, the storage unit, the transmission unit and the display unit.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. An integrated multi-parameter differential pressure flowmeter based on gas transmission is characterized by comprising,
the differential pressure sensor is connected with a pressure leading pipe and used for acquiring a differential pressure signal and outputting the differential pressure signal to the signal processing circuit,
the temperature sensor is connected with the pipe body and used for acquiring a temperature signal and outputting the temperature signal to the processing unit;
the pressure sensor is connected with the pressure guiding pipe and used for acquiring a pressure signal and outputting the pressure signal to the processing unit;
the processing unit is used for respectively receiving the differential pressure signal, the temperature signal and the pressure signal, converting the differential pressure signal, the temperature signal and the pressure signal to form a processing signal and outputting the processing signal to the flow calculation unit;
and the flow calculating unit is used for forming a differential pressure value matched with the differential pressure signal, and/or a temperature value matched with the temperature signal, and/or a pressure value matched with the pressure signal according to the processing signal.
2. The integrated, multi-parameter differential pressure gas meter based on gas delivery of claim 1, wherein; the storage unit is used for storing the differential pressure value, the temperature value and/or the pressure value.
3. The integrated, multi-parameter differential pressure gas meter based on gas delivery of claim 1, wherein; the device also comprises a display unit which is used for displaying the differential pressure value, the temperature value and/or the pressure value.
4. The integrated, multi-parameter differential pressure gas meter based on gas delivery of claim 1, wherein; the transmission unit is used for transmitting the differential pressure value, the temperature value and/or the pressure value.
5. The integrated, multi-parameter differential pressure gas meter based on gas delivery of claim 1, wherein; the pressure guiding pipe comprises at least two pressure guiding pipes.
6. The integrated, multi-parameter differential pressure gas meter based on gas delivery of claim 1, wherein; the gas flow pipe further comprises a connecting port for allowing gas to flow, and the connecting port is arranged on the pipe body and matched with the pressure guiding pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121671924.6U CN215261906U (en) | 2021-07-22 | 2021-07-22 | Integrated multi-parameter differential pressure flowmeter based on gas transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121671924.6U CN215261906U (en) | 2021-07-22 | 2021-07-22 | Integrated multi-parameter differential pressure flowmeter based on gas transmission |
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| Publication Number | Publication Date |
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| CN215261906U true CN215261906U (en) | 2021-12-21 |
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| CN202121671924.6U Active CN215261906U (en) | 2021-07-22 | 2021-07-22 | Integrated multi-parameter differential pressure flowmeter based on gas transmission |
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2021
- 2021-07-22 CN CN202121671924.6U patent/CN215261906U/en active Active
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