CN210293531U - High-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation - Google Patents
High-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation Download PDFInfo
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- CN210293531U CN210293531U CN201921342930.XU CN201921342930U CN210293531U CN 210293531 U CN210293531 U CN 210293531U CN 201921342930 U CN201921342930 U CN 201921342930U CN 210293531 U CN210293531 U CN 210293531U
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Abstract
The utility model belongs to the pressure instrument field discloses a high accuracy pressure transmitter with compensation is pressed to multi-temperature-zone temperature, including circuit room (1), pressure sensor room (2), measuring joint (3), baroceptor (11), controller (12), memory (13), battery (14), end cover (15), sealing washer (16), panel board (17), pressure sensor (21), measuring joint hole (31), temperature humidity transducer (32), the utility model discloses increased baroceptor and temperature humidity transducer on pressure sensor's basis, can carry out the temperature and pressure compensation to the data that the changer surveyed in a plurality of intervals for the data that the changer surveyed are more accurate.
Description
Technical Field
The utility model belongs to the pressure instrument field, concretely relates to have multi-temperature-zone temperature and pressure compensation high accuracy pressure transmitter.
Background
The transducer works based on the principle of negative feedback and mainly comprises a measuring part, an amplifier and a feedback part. In industrial production, the accuracy of acquisition of various analog quantity data is the basis for realizing process parameter control, and the accuracy of process control cannot be referred to without accurate detection measured values, and the parameter detection is mainly realized by converting the detection of an instrument sensor into various signals. Transmitters are commonly used to measure pressure, differential pressure, vacuum, liquid level, flow, density, and the like. The influence of ambient temperature, humidity and air pressure greatly interferes with signals, especially low temperature and high humidity, and the change of the atmospheric pressure often influences the accuracy of the measured data of the transmitter.
SUMMERY OF THE UTILITY MODEL
Not enough more than to, the utility model discloses a have multi-temperature-zone temperature and pressure compensation high accuracy pressure transmitter.
The technical scheme of the utility model as follows:
a high-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation is characterized by comprising a circuit chamber, a pressure sensor chamber, a measuring joint, an air pressure sensor, a controller, a memory, a battery, an end cover, a sealing ring, an instrument panel, a pressure sensor, a measuring joint hole and a temperature and humidity sensor; the circuit chamber is a polyhedron with a hollow interior, a controller, a storage and a battery are installed in the circuit chamber, and the controller, the storage and the battery are connected through leads; the end cover is positioned on one surface of the circuit chamber, and the sealing ring is positioned at the position, close to the end cover, inside the circuit chamber; the air pressure sensor is positioned above the top of the circuit chamber and is connected with the memory through a lead; the instrument panel is positioned on the other surface of the circuit chamber; the pressure sensor chamber is positioned below the circuit chamber and communicated with the circuit chamber, and the air pressure sensor is arranged in the pressure sensor chamber; the measuring joint is positioned below the pressure sensor chamber and communicated with the pressure sensor chamber through a measuring joint hole; the temperature and humidity sensor is arranged in the measuring joint. The pressure sensor is used for collecting pressure data and transmitting the pressure data to the storage, the temperature and humidity sensor is used for collecting temperature and humidity data and transmitting the temperature and humidity data to the storage, the pressure sensor is used for collecting pressure data and transmitting the pressure data to the storage, the controller is used for obtaining the pressure data, the temperature and humidity data and the pressure data from the storage, obtaining the corrected pressure data after calculation and correction, then transmitting the pressure data into the storage, transmitting the data to the instrument panel by the storage, enabling a user to read out the data, and measuring more accurate pressure data through compensation and correction of temperature, pressure and humidity.
Furthermore, the high-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation is characterized in that a wireless data transmission device is further installed in the circuit chamber, and the wireless data transmission device is connected with the memory through a wire. Through setting up wireless data transmission device, can become the signal with the data transmission in the memory, let the people also can receive real-time reading in strange land.
Furthermore, the high-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation is characterized in that the instrument panel is a liquid crystal instrument panel. The liquid crystal instrument panel can directly display the measured value, and is visual and clear.
Furthermore, the high-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation is characterized in that the instrument panel is a touch liquid crystal instrument panel. The touch liquid crystal instrument panel is arranged, so that an operator can operate the transmitter through the touch screen, and the operation is convenient and direct.
Furthermore, the high-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation is characterized in that the sealing ring is an O-shaped rubber sealing ring. The O-shaped sealing ring has better static sealing effect.
Furthermore, the high-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation is characterized in that the air pressure sensor is a digital air pressure sensor with an RS485 data format interface. The digital air pressure sensor using the RS485 data format interface directly outputs a digital signal to the memory, thereby saving the process of digital-to-analog conversion.
Furthermore, the high-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation is characterized in that the temperature and humidity sensor is a digital temperature and humidity sensor with an RS485 data format interface. The digital temperature and humidity sensor using the RS485 data format interface directly outputs digital signals to the memory, thereby saving the process of digital-to-analog conversion.
Furthermore, above-mentioned high accuracy pressure transmitter with multi-temperature-zone temperature-pressure compensation, there is a interface that charges on the circuit room, the interface that charges passes through the wire and connects the battery, just the battery is chargeable lithium cell. The design of the rechargeable lithium battery is used, the capacity is large, the efficiency is high, the battery does not need to be replaced frequently, and the charging is convenient.
Furthermore, above-mentioned high accuracy pressure transmitter with compensation of multi-temperature-zone temperature-pressure, the measurement connection is the brass material. The brass material has good antirust performance and wear resistance, and brass is selected for use, so that balance can be achieved between performance and cost.
According to the technical scheme provided by the utility model, the utility model discloses following beneficial effect has: by adding the air pressure sensor and the temperature and humidity sensor, pressure data measured by the transmitter can be corrected in a plurality of temperature zones, and more accurate data can be measured; by arranging the wireless data transmission device, people can receive real-time reading in different places; through setting up touch liquid crystal instrument board, let operating personnel can operate the transmitter through the touch-sensitive screen, convenient operation, it is direct-viewing.
Drawings
Fig. 1 is a schematic diagram of embodiment 1 of the present invention;
fig. 2 is a schematic diagram of embodiment 2 of the present invention;
in the figure: the device comprises a circuit chamber 1, a pressure sensor chamber 2, a measuring joint 3, an air pressure sensor 11, a controller 12, a memory 13, a battery 14, an end cover 15, a sealing ring 16, an instrument panel 17, a wireless data transmission device 18, a charging interface 19, a pressure sensor 21, a measuring joint hole 31 and a temperature sensor 32.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. 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 1
As shown in fig. 1, the high-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation is characterized by comprising a circuit chamber 1, a pressure sensor chamber 2, a measuring joint 3, an air pressure sensor 11, a controller 12, a memory 13, a battery 14, an end cover 15, a sealing ring 16, an instrument panel 17, a pressure sensor 21, a measuring joint hole 31 and a temperature and humidity sensor 32; the circuit chamber 1 is a polyhedron with a hollow interior, a controller 12, a storage 13 and a battery 14 are installed in the circuit chamber, and the controller 12, the storage 13 and the battery 14 are connected through leads; the end cover 15 is positioned on one surface of the circuit chamber 1, and the sealing ring 16 is positioned inside the circuit chamber 1 and close to the end cover 15; the air pressure sensor 11 is positioned above the top of the circuit chamber 1 and is connected with the memory 13 through a lead; the instrument panel 17 is positioned on the other surface of the circuit chamber 1; the pressure sensor chamber 2 is positioned below the circuit chamber 1 and communicated with the circuit chamber 1, and the air pressure sensor 11 is arranged in the pressure sensor chamber 2; the measuring joint 3 is positioned below the pressure sensor chamber 2 and communicated with the pressure sensor chamber 2 through a measuring joint hole 31; the temperature and humidity sensor 32 is arranged in the measuring joint 3.
When the pressure transmitter works, the pressure transmitter is installed in a pipeline through the measuring connector 3, the tightening torque does not exceed 50N.m, liquid in the pipeline enters the sensor chamber 2 through the measuring connector hole 31 in the measuring connector 2, a measured pressure signal is received by one side of the pressure sensor 21 and converted into a simple digital signal, and the digital signal is transmitted into the storage 13 in the circuit chamber 1 through a lead; meanwhile, the air pressure sensor 11 collects air pressure data and transmits the air pressure data to the memory 13, and the temperature and humidity sensor 32 collects temperature and humidity data and transmits the temperature and humidity data to the memory; the controller 12 obtains the air pressure data, the temperature and humidity data and the pressure data from the memory 13, obtains the corrected pressure data after calculation and correction, and then transmits the data into the memory 13, and then the memory 13 transmits the data to the instrument panel 17 to enable a person to read the data. Particularly, the pressure transmitter can be connected into a liquid level in a form of a bracket or a flange on the spot, strong light direct irradiation and rain are avoided during installation, measurement can be carried out after cooling through a cooling device when steam or other high-temperature media are measured, a pressure taking opening is opened on the side surface of a process pipeline during liquid flow measurement so as to avoid sediment deposition, and meanwhile, the transmitter is arranged beside or below the pressure taking opening so that bubbles can be discharged into the process pipeline; when measuring the gas flow, the pressure-taking opening is arranged at the top end or the side surface of the flow pipeline, and the transmitter is arranged beside or above the flow pipeline so that the accumulated liquid can easily flow into the flow pipeline; when the steam flow is measured, the pressure taking port is opened on the side surface of the process pipeline, and the transmitter is arranged below the pressure taking port so that the cold accumulation liquid can be filled in the pressure guide pipe.
Example 2
As shown in fig. 2, the high-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation is characterized by comprising a circuit chamber 1, a pressure sensor chamber 2, a measuring joint 3, an air pressure sensor 11, a controller 12, a memory 13, a battery 14, an end cover 15, a sealing ring 16, an instrument panel 17, a wireless data transmission device 18, a charging interface 19, a pressure sensor 21, a measuring joint hole 31 and a temperature and humidity sensor 32; the circuit chamber 1 is a polyhedron with a hollow interior, a controller 12, a storage 13 and a battery 14 are arranged in the circuit chamber, the controller 12, the storage 13 and the battery 14 are connected through leads, and particularly, a wireless data transmission device 18 is also arranged in the circuit chamber 1, and the wireless data transmission device 18 is connected with the storage 13 through leads; it should be further noted that a charging interface 19 is arranged on the circuit chamber 1, the charging interface 19 is connected to the battery 14 through a wire, and the battery 14 is a rechargeable lithium battery; the end cover 15 is positioned on one face of the circuit chamber 1; the sealing ring 16 is an O-shaped rubber sealing ring and is positioned inside the circuit chamber 1 and close to the end cover 15; the air pressure sensor 11 is positioned above the top of the circuit chamber 1 and is connected with the memory 13 through a lead; the instrument panel 17 is positioned on the other surface of the circuit chamber 1, and the instrument panel 17 is a touch type liquid crystal instrument panel; the pressure sensor chamber 2 is positioned below the circuit chamber 1 and communicated with the circuit chamber 1, and the air pressure sensor 11 is arranged in the pressure sensor chamber 2; the measuring joint 3 is positioned below the pressure sensor chamber 2 and communicated with the pressure sensor chamber 2 through a measuring joint hole 31, and the measuring joint 3 is made of brass; the temperature and humidity sensor 32 is arranged in the measuring joint 3; in particular, the air pressure sensor 11 and the temperature and humidity sensor 32 are digital air pressure sensors with RS485 data format interfaces.
When the pressure transmitter works, the pressure transmitter is installed in a pipeline through the measuring connector 3, the tightening torque does not exceed 50N.m, liquid in the pipeline enters the sensor chamber 2 through the measuring connector hole 31 in the measuring connector 2, a measured pressure signal is received by one side of the pressure sensor 21 and converted into a simple digital signal, and the digital signal is transmitted into the storage 13 in the circuit chamber 1 through a lead; meanwhile, the air pressure sensor 11 collects digital data of air pressure and transmits the digital data to the memory 13, and the temperature and humidity sensor 32 collects digital data of temperature and humidity and transmits the digital data to the memory; the controller 12 obtains the air pressure data, the temperature and humidity data and the pressure data from the memory 13, obtains the corrected pressure data after calculation and correction, and then transmits the data into the memory 13, and then the memory 13 transmits the data to the touch type liquid crystal instrument panel 17 to read the data by a person, and simultaneously transmits the data to the outside through the wireless data transmission device 18.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention can not be limited thereby, and the simple equivalent changes and modifications made according to the claims and the utility model also belong to the protection scope of the present invention.
Claims (9)
1. A high-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation is characterized by comprising a circuit chamber (1), a pressure sensor chamber (2), a measuring joint (3), an air pressure sensor (11), a controller (12), a memory (13), a battery (14), an end cover (15), a sealing ring (16), an instrument panel (17), a pressure sensor (21), a measuring joint hole (31) and a temperature and humidity sensor (32); the circuit chamber (1) is a polyhedron with a hollow interior, a controller (12), a memory (13) and a battery (14) are installed in the circuit chamber, and the controller (12), the memory (13) and the battery (14) are connected through leads; the end cover (15) is positioned on one surface of the circuit chamber (1), and the sealing ring (16) is positioned in the circuit chamber (1) and close to the end cover (15); the air pressure sensor (11) is positioned above the top of the circuit chamber (1) and is connected with the memory (13) through a lead; the instrument panel (17) is positioned on the other surface of the circuit chamber (1); the pressure sensor chamber (2) is positioned below the circuit chamber (1) and communicated with the circuit chamber (1), and the air pressure sensor (11) is arranged in the pressure sensor chamber (2); the measuring joint (3) is positioned below the pressure sensor chamber (2) and communicated with the pressure sensor chamber (2) through a measuring joint hole (31); the temperature and humidity sensor (32) is arranged in the measuring joint (3).
2. The high-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation of claim 1 is characterized in that a wireless data transmission device (18) is further installed in the circuit room (1), and the wireless data transmission device (18) is connected with the memory (13) through a wire.
3. The high-precision pressure transmitter with multi-temperature zone temperature and pressure compensation according to any one of claims 1 or 2, characterized in that the instrument panel (17) is a liquid crystal instrument panel.
4. The high-precision pressure transmitter with multi-temperature zone temperature and pressure compensation of claim 3 is characterized in that the instrument panel (17) is a touch type liquid crystal instrument panel.
5. The high-precision pressure transmitter with multi-temperature zone temperature and pressure compensation of any one of claims 1 or 2, characterized in that the sealing ring (16) is an O-ring rubber sealing ring.
6. The high-precision pressure transmitter with multi-temperature-zone temperature-pressure compensation of any one of claims 1 or 2, wherein the air pressure sensor (11) is a digital air pressure sensor with RS485 data format interface.
7. The high-precision pressure transmitter with multi-temperature-zone temperature-pressure compensation of any one of claims 1 or 2, wherein the temperature-humidity sensor (32) is a digital temperature-humidity sensor with RS485 data format interface.
8. The high-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation of any one of claims 1 or 2 is characterized in that a charging interface (19) is arranged on the circuit chamber (1), the charging interface (19) is connected with the battery (14) through a wire, and the battery (14) is a rechargeable lithium battery.
9. The high-precision pressure transmitter with multi-temperature-zone temperature-pressure compensation of any one of claims 1 or 2, characterized in that the measuring joint (3) is made of brass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921342930.XU CN210293531U (en) | 2019-08-19 | 2019-08-19 | High-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921342930.XU CN210293531U (en) | 2019-08-19 | 2019-08-19 | High-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210293531U true CN210293531U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921342930.XU Active CN210293531U (en) | 2019-08-19 | 2019-08-19 | High-precision pressure transmitter with multi-temperature-zone temperature and pressure compensation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210293531U (en) |
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2019
- 2019-08-19 CN CN201921342930.XU patent/CN210293531U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high precision pressure transmitter with multi temperature zone temperature and pressure compensation Effective date of registration: 20201106 Granted publication date: 20200410 Pledgee: JIANGSU JUKE INSTRUMENT Co.,Ltd. Pledgor: JIANGSU JACK INSTRUMENT Co.,Ltd. Registration number: Y2020980007613 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210715 Granted publication date: 20200410 Pledgee: JIANGSU JUKE INSTRUMENT Co.,Ltd. Pledgor: JIANGSU JACK INSTRUMENT Co.,Ltd. Registration number: Y2020980007613 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |