CN208223713U - A kind of industrial pressure transmitter - Google Patents
A kind of industrial pressure transmitter Download PDFInfo
- Publication number
- CN208223713U CN208223713U CN201820720324.6U CN201820720324U CN208223713U CN 208223713 U CN208223713 U CN 208223713U CN 201820720324 U CN201820720324 U CN 201820720324U CN 208223713 U CN208223713 U CN 208223713U
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- Prior art keywords
- pressure transmitter
- interface
- pressure
- microprocessor
- connector
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Abstract
The utility model discloses a kind of industrial pressure transmitters; including pressure transmitter ontology; data-interface is connected at the top of the pressure transmitter ontology; and the top of data-interface is connected with protective cover by support frame; display screen is embedded on the procapsid of the pressure transmitter ontology; the bottom of the pressure transmitter ontology is connected with pressure interface; and pressure interface is internally embedded equipped with sensing element; connector is socketed on the outside of the pressure interface, and the exterior bottom of connector is connected and fixed stud.In the utility model, equipped with digitized compensation circuit, the purpose of compensation is the variation because of device with temperature environment, operating point, performance can generate drift, and such case often requires to use the opposite capacitor of temperature characterisitic, resistance compensates, to offset drift, digitized compensation circuit is exactly to be internally integrated compensation device, it uses more convenient, without being powered on road again, improves the accuracy of the pressure transmitter.
Description
Technical field
The utility model relates to pressure transmitter technical field more particularly to a kind of industrial pressure transmitters.
Background technique
Pressure transmitter is a kind of equipment for converting pressure into pneumatic signal or electromotive signal carries out control and teletransmission, it
The physical pressures parameters such as gas, liquid that load cell is experienced can be transformed into the electric signal of standard, referred to supply
Show that the secondary meters such as alarm, recorder, adjuster are measured, indicated and procedure regulation, pressure transmitter are industrial practices
In a kind of the most commonly used sensor, be widely used in various industrial automatic control environment, be related to water conservancy and hydropower, railway traffic, intelligence
It can build, produce numerous industries such as automatic control, aerospace, military project, petrochemical industry, oil well, electric power, ship, lathe, pipeline, pressure becomes
Device is sent to have electrodynamic type and pneumatic type two major classes.DYN dynamic unified output signal is the direct currents such as 0~10mA, 4~20mA or 1~5V
Electric signal.The unified output signal of pneumatic type is the gas pressure of 20~100Pa.
Pressure transmitter currently on the market lacks compensation circuit, when in use because device with temperature environment variation,
Operating point, performance can generate drift, to influence the precision used, while need additional compensation circuit, and use is not convenient enough.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of industrial pressure proposed
Transmitter.
To achieve the goals above, the utility model adopts the technical scheme that a kind of industrial pressure transmitter, packet
Pressure transmitter ontology is included, data-interface is connected at the top of the pressure transmitter ontology, and pass through at the top of data-interface
Support frame is connected with protective cover, and display screen, the pressure transmitter sheet are embedded on the procapsid of the pressure transmitter ontology
The bottom of body is connected with pressure interface, and pressure interface is internally embedded equipped with sensing element, the outer sheath of the pressure interface
It is connected to connector, and the exterior bottom of connector is connected and fixed stud, the pressure transmitter is set inside the body micro process
Device, the microprocessor are connect by conducting wire with sensing element, and microprocessor also passes through in conducting wire and pressure transmitter ontology
The digital compensation circuit in portion connects, and the microprocessor is connect by conducting wire with AD converter, and AD converter passes through conducting wire point
It is not connect with data-interface and display screen.
It is as above-mentioned technical proposal to further describe:
The sensing element and the output end for digitizing compensation circuit are electrically connected with the input terminal of microprocessor.
It is as above-mentioned technical proposal to further describe:
The output end of the microprocessor and the input terminal of AD converter are electrically connected.
It is as above-mentioned technical proposal to further describe:
The output end of the AD converter is electrically connected with the input terminal of data-interface and display screen respectively.
It is as above-mentioned technical proposal to further describe:
There are four the fixed bolt connects altogether, and four fixed bolts are angularly distributed in the outside of connector in a ring
Housing bottom.
The bottom of the connector is fixedly connected with annular collar by attachment base.
In the utility model, it is first provided with digitized compensation circuit, the purpose of compensation is because of device with temperature environment
Variation, operating point, performance can generate drift, and such case often requires to use the opposite capacitor of temperature characterisitic, resistance is mended
Repay, so as to offset drift, digitized compensation circuit is exactly to be internally integrated compensation device, use it is more convenient, do not have to again plus
Circuit improves the accuracy of the pressure transmitter, secondly, by being equipped with connector, connector can be protected pressure interface
Shield, while pressure transmitter ontology is auxiliarily fixed, pressure interface connection not enough fastening is prevented, the pressure transmitter is enhanced
Practicability.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of industrial pressure transmitter overall structure diagram；
Fig. 2 be the utility model proposes a kind of industrial pressure transmitter schematic diagram of internal structure；
Fig. 3 be the utility model proposes a kind of industrial pressure transmitter workflow block diagram.
Fig. 4 be the utility model proposes a kind of industrial pressure transmitter attachment base attachment structure schematic diagram.
Marginal data:
1- pressure transmitter ontology, 2- sensing element, 3- pressure interface, 4- fixed bolt, 5- connector, 6- data connect
Mouth, 7- support frame, 8- protective cover, 9- display screen, 10- digitized compensation circuit, 11- microprocessor, 12-AD converter, 13- connect
Joint chair, 14- annular collar.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-4, a kind of industrial pressure transmitter, including pressure transmitter ontology 1, pressure transmitter ontology 1
Top is connected with data-interface 6, and the top of data-interface 6 is connected with protective cover 8, pressure transmitter ontology 1 by support frame 7
Procapsid on be embedded with display screen 9, the bottom of pressure transmitter ontology 1 is connected with pressure interface 3, and pressure interface 3 is interior
Portion's insertion is equipped with sensing element 2, and the outside of pressure interface 3 is socketed with connector 5, and the exterior bottom of connector 5 is connected and fixed
Stud 4, the inside of pressure transmitter ontology 1 are equipped with microprocessor 11, and microprocessor 11 is connect by conducting wire with sensing element 2,
And microprocessor 11 is also connect by conducting wire with the digital compensation circuit 10 inside pressure transmitter ontology 1, microprocessor 11 is logical
It crosses conducting wire to connect with AD converter 12, and AD converter 12 is connect with data-interface 6 and display screen 9 respectively by conducting wire.
Sensing element 2 and the output end for digitizing compensation circuit 10 are electrically connected with the input terminal of microprocessor 11, micro-
The input terminal of the output end of processor 11 and AD converter 12 is electrically connected, the output end of AD converter 12 respectively with data-interface
6 and display screen 9 input terminal be electrically connected.
There are four fixed bolt 4 connects altogether, and four fixed bolts 4 are angularly distributed in the outside of connector 5 in a ring
The bottom of housing bottom, connector 5 is fixedly connected with annular collar 14 by attachment base 13, so as to be connected by connector 5
Transmitter body 1 is auxiliarily fixed in the annular collar 14 connect.
Working principle: the industrial pressure transmitter is in use, first by the pressure interface 3 on pressure transmitter ontology 1
It is connected on pipeline, in use, sensing element 2 can acquire pressure information, then electric signal is transmitted in microprocessor 11, number
Capacitor that word compensation circuit 10 impacts temperature, resistance compensate, and to offset drift, then microprocessor 11 will
Treated, and electric signal is transmitted in AD converter 12, and AD converter 12 converts the electrical signal to digital signal and then again display screen
It is shown in 9, and is carried out data transmission by data-interface 6, be finally completed and pressure information is acquired and is transmitted.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of industrial pressure transmitter, including pressure transmitter ontology (1), which is characterized in that the pressure transmitter sheet
It is connected at the top of body (1) data-interface (6), and the top of data-interface (6) is connected with protective cover (8) by support frame (7),
It is embedded with display screen (9) on the procapsid of the pressure transmitter ontology (1), the bottom of the pressure transmitter ontology (1) connects
It is connected to pressure interface (3), and pressure interface (3) is internally embedded equipped with sensing element (2), the outside of the pressure interface (3)
It is socketed with connector (5), and the exterior bottom of connector (5) is connected and fixed stud (4), the pressure transmitter ontology (1)
Inside is equipped with microprocessor (11), and the microprocessor (11) is connect by conducting wire with sensing element (2), and microprocessor (11)
It is also connect by the conducting wire digital compensation circuit (10) internal with pressure transmitter ontology (1), the microprocessor (11) passes through
Conducting wire is connect with AD converter (12), and AD converter (12) is connected with data-interface (6) and display screen (9) respectively by conducting wire
It connects.
2. a kind of industrial pressure transmitter according to claim 1, which is characterized in that sensing element (2) sum number
The output end of word compensation circuit (10) is electrically connected with the input terminal of microprocessor (11).
3. a kind of industrial pressure transmitter according to claim 1, which is characterized in that the microprocessor (11) it is defeated
The input terminal of outlet and AD converter (12) is electrically connected.
4. a kind of industrial pressure transmitter according to claim 1, which is characterized in that the AD converter (12) it is defeated
Outlet is electrically connected with the input terminal of data-interface (6) and display screen (9) respectively.
5. a kind of industrial pressure transmitter according to claim 1, which is characterized in that the fixed bolt (4) connects altogether
There are four connecing, and four fixed bolts (4) are angularly distributed in the outside housing bottom of connector (5) in a ring.
6. a kind of industrial pressure transmitter according to claim 1, which is characterized in that the bottom of the connector (5)
Annular collar (14) are fixedly connected with by attachment base (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820720324.6U CN208223713U (en) | 2018-05-15 | 2018-05-15 | A kind of industrial pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820720324.6U CN208223713U (en) | 2018-05-15 | 2018-05-15 | A kind of industrial pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208223713U true CN208223713U (en) | 2018-12-11 |
Family
ID=64508040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820720324.6U Active CN208223713U (en) | 2018-05-15 | 2018-05-15 | A kind of industrial pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208223713U (en) |
-
2018
- 2018-05-15 CN CN201820720324.6U patent/CN208223713U/en active Active
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