CN108254125A - The batch Full-automatic temperature compensation system of pressure transmitter - Google Patents
The batch Full-automatic temperature compensation system of pressure transmitter Download PDFInfo
- Publication number
- CN108254125A CN108254125A CN201810111759.5A CN201810111759A CN108254125A CN 108254125 A CN108254125 A CN 108254125A CN 201810111759 A CN201810111759 A CN 201810111759A CN 108254125 A CN108254125 A CN 108254125A
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- China
- Prior art keywords
- host computer
- terminal plate
- control panel
- pressure
- pressure transmitter
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of batch Full-automatic temperature compensation systems of pressure transmitter, including host computer, control panel, instrument terminal plate, standard pressure gauge and high-low temperature chamber, the host computer is connect at least one control panel, and whole system is controlled for passing through software；The control panel is connected to instrument terminal plate by a total cable, for transmitting information to the power supply of instrument terminal plate, communication switching and between host computer and instrument terminal plate；The instrument terminal plate is used to connect pressure transmitter；The standard pressure gauge and high-low temperature chamber are all connected with host computer.System all operationss provided by the present invention are automatically performed by computer, reduce human intervention, solve the problems, such as low production efficiency, realize digitlization, automated production of the instrument enterprise to high-end instrument.Product reliability is also greatly reduced production cost while raising.
Description
Technical field
The present invention relates to pressure transmitter technique for temperature compensation fields, complete more particularly to a kind of batch of pressure transmitter
Automatic temperature compensation system.
Background technology
Pressure is one of three big technical parameters of commercial measurement, with the development of industrial automation technology, pressure transmitter
Using field it is more and more extensive, quantity is also more and more huger.Requirement of the market to the precision and reliability of pressure transmitter
It is higher and higher, high occasion is much required, the instrument of import can only be bought.Pressure transmitter to accomplish high-precision, Low Drift Temperature, just
Temperature-compensating must be carried out to sensor, to eliminate influence of the temperature to sensor.More and more instrument enterprises, in order to improve
The quality and class of oneself product start to consider to carry out temperature-compensating to manometer.Temperature-compensating at present is all separate unit pressure
Power instrument is put into high-low temperature chamber and carries out temperature compensation, manual operation causes efficiency low in this way, of high cost, so there are many existing market
Product cannot carry out temperature-compensating.
Invention content
The technical problems to be solved by the invention are to provide a kind of batch Full-automatic temperature compensation system of pressure transmitter,
It completes the control to whole system by way of to the digitlization of high-end instrument, automated production, reduces and is produced into
This.
The present invention is to solve above-mentioned technical problem by following technical proposals：A kind of batch of pressure transmitter is complete certainly
Dynamic temperature compensation system, including host computer, control panel, instrument terminal plate, standard pressure gauge and high-low temperature chamber, the host computer
It is connect at least one control panel, whole system is controlled for passing through software；The control panel is connected by a total cable
Instrument terminal plate is connected to, for being transmitted to the power supply of instrument terminal plate, communication switching and between host computer and instrument terminal plate
Information；The instrument terminal plate is used to connect pressure transmitter；The standard pressure gauge and high-low temperature chamber all with host computer phase
Connection, host computer send instructions to standard pressure gauge, are realized by the output of adjustment criteria pressure gauge to pressure transmitter
Sensor applies stressed purpose, and host computer sends instructions to high-low temperature chamber and realizes the purpose that temperature is adjusted.
In one of the embodiments, the control panel include power module, 485 communication modules, current surveillance port,
CPU module, display module, toggle switch, channel control circuit, relay group and at least one UART isolation modules.
The communication interface between the host computer and control panel is RS485 interfaces or RS232 in one of the embodiments,
Serial line interface.
The communication interface between the host computer and standard pressure gauge and high-low temperature chamber is in one of the embodiments,
RS485 interfaces or RS232 serial line interfaces.
The system needs to carry out initialization operation before starting in one of the embodiments, including upper computer software
Initialize installation, set temperature compensation temperature points, the temperature value of each point, each temperature spot temperature stabilization time,
The pressure tested points, the pressure value of each pressure spot, the model of standard pressure gauge, high-low temperature chamber are needed under each temperature spot
Model etc..
The course of work of the system includes the following steps in one of the embodiments,：
The command information sent according to host computer presets the value of high-low temperature chamber and standard pressure gauge；
The command information of control panel is sent to by host computer, in turn Switching power and communication port；
Read the pressure AD values of pressure transmitter and the temperature AD values being connected on instrument terminal plate.
The batch Full-automatic temperature compensation system all operationss of pressure transmitter provided by the invention are automatically complete by computer
Into reduction human intervention solves the problems, such as low production efficiency, realizes instrument enterprise digitizing, automatically to high-end instrument
Metaplasia is produced.Product reliability is also greatly reduced production cost while raising.
The additional aspect of the present invention and advantage will be set forth in part in the description, these will become from the following description
It obtains significantly or is recognized by the practice of the present invention.
Description of the drawings
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments
Significantly and it is readily appreciated that, wherein：
Fig. 1 is the modular structure connection signal of the batch Full-automatic temperature compensation system of pressure transmitter provided by the invention
Figure；
Fig. 2 is the structure composition of the control panel of the batch Full-automatic temperature compensation system of pressure transmitter provided by the invention
Schematic diagram；
Fig. 3 is the software flow schematic diagram of the batch Full-automatic temperature compensation system of pressure transmitter provided by the invention.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
Those skilled in the art of the present technique are appreciated that unless expressly stated, singulative " one " used herein, " one
It is a ", " described " and "the" may also comprise plural form.It is to be further understood that is used in the specification of the present invention arranges
Diction " comprising " refers to there are the feature, integer, step, operation, element and/or component, but it is not excluded that presence or addition
Other one or more features, integer, step, operation, element, component and/or their group.It should be understood that when we claim member
Part is " connected " or during " coupled " to another element, it can be directly connected or coupled to other elements or there may also be
Intermediary element.In addition, " connection " used herein or " coupling " can include wireless connection or wireless coupling.It is used herein to arrange
Take leave whole or any cell and all combination of the "and/or" including one or more associated list items.
Those skilled in the art of the present technique are appreciated that unless otherwise defined all terms used herein are (including technology art
Language and scientific terminology), there is the meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, it should be understood that have in the context of the prior art
The consistent meaning of meaning, and unless by specific definitions as here, the meaning of idealization or too formal otherwise will not be used
To explain.
As shown in Figure 1, the batch Full-automatic temperature compensation system of pressure transmitter provided by the invention includes host computer
100th, control panel 200, instrument terminal plate 300, standard pressure gauge 400 and high-low temperature chamber 500.The host computer 100 at least
One control panel 200 connects, and whole system is controlled for passing through software.The control panel 200 is connected by a total cable
Instrument terminal plate 300 is connected to, is switched and in host computer 100 and instrument terminal plate for powering, communicating to instrument terminal plate 300
Information is transmitted between 300.The instrument terminal plate 300 is for connecting pressure transmitter 600, the institute that will be exported on control panel 200
The power supply and signal of communication of You Ge roads instrument are connected respectively to instrument terminal plate 300, are divided on instrument terminal plate 300 multiple
Connector is connected respectively in each road instrument.The standard pressure gauge 400 and high-low temperature chamber 500 are all connected with host computer 100
It connects, host computer 100 sends instructions to standard pressure gauge 400, and pressure is become to realize by the output of adjustment criteria pressure gauge 400
The sensor of device 600 is sent to apply stressed purpose, host computer 100 sends instructions to high-low temperature chamber 500 to reach temperature adjusting
Purpose.
Further, with reference to figure 2, the control panel 200 includes power module 201,485 communication modules 202, current surveillance
Port 203, CPU module 204, display module 205, toggle switch 206, channel control circuit 207, relay group 208 and extremely
A few UART isolation module 209.Wherein power module 201 is used to complete to control panel 200 and the institute for being connected to control panel 200
There is instrument power supply.485 communication modules 202 provide the communication interface of host computer 100.Current surveillance port 203 is used for ammeter
Interface is provided, with the 4-20mA output signals of supervisory instrument.CPU module 204 is the core of control panel 200, and processing is from upper
The signal of machine 100 and instrument terminal plate switches instrument channel and sends display data.Display module 205 is completed to control panel
The display of 200 current working conditions, including the address of control panel 200 currently to communicate and leading to for communicating instrument
Road.Toggle switch 206 is used to set the address of control panel 200, when polylith control panel 200 is connected to same host computer simultaneously
When 100, need to adjust toggle switch 206, each control panel 200 is arranged to different addresses.Channel control circuit 207 is used for
Control the communication line of relay group 208 and selection CPU module 204 and instrument.Relay group 208 is used to switch instrument power.
UART isolation modules 209, which play the role of signal of communication between control panel 200 and instrument, is isolated.Whole system can by one or
Many motors control plate 200 forms, and is opened by adjusting dial-up, 206, and control panel 200 is arranged to different addresses, host computer 100
Software can be with automatic identification.The size of system can be with flexible modulation, to meet the needs of under different situations in this way.
Preferably, the communication interface between the host computer 100 and control panel 200 is RS485 interfaces or RS232 serial interfaces
Mouthful.
Preferably, the communication interface between the host computer 100 and standard pressure gauge 400 and high-low temperature chamber 500 is
RS485 interfaces or RS232 serial line interfaces.
Achievable, with reference to figure 3, the system needs to carry out initialization operation before starting, including 100 software of host computer
Initialize installation, set temperature compensation temperature points, the temperature value of each point, each temperature spot temperature stabilization time,
The pressure tested points, the pressure value of each pressure spot, the model of standard pressure gauge 400, high/low temperature are needed under each temperature spot
Model of case 500 etc..After completing initialization, start automatic operation mode.First, the address of scanning recognition control panel 200, and will
Information is recorded.Then, host computer 100 sends commands to high-low temperature chamber 500, is set to a certain temperature value, and system waits for pre-
The time first set, waiting temperature are stablized.After temperature stabilization, host computer 100 sends commands to standard pressure gauge 400,
Output pressure is adjusted to a certain setting value, after pressure stability, on this pressure spot, host computer 100 sends commands to control
Making sheet 200, in turn Switching power and communication port read the pressure AD values and temperature AD values of each pressure transmitter 600.Institute
Some pressure transmitters 600 are all read one time and then said the word to standard pressure gauge 400, are changed pressure output value, are stablized it
Afterwards, the AD values of a pressure and temperature are read in recycling, are so recycled, until pre-set pressure spot has all been read
Finish.It after completing operation under this temperature spot, then says the word to high-low temperature chamber 500, is adjusted under second temperature spot, repeat first
The operation of a temperature spot, until all temperature spots all operate completion.
The batch Full-automatic temperature compensation system all operationss of pressure transmitter provided by the invention are automatically complete by computer
Into reduction human intervention solves the problems, such as low production efficiency, realizes instrument enterprise digitizing, automatically to high-end instrument
Metaplasia is produced.Product reliability is also greatly reduced production cost while raising.
The above is only some embodiments of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (6)
1. the batch Full-automatic temperature compensation system of a kind of pressure transmitter, which is characterized in that including host computer, control panel, instrument
Table terminal plate, standard pressure gauge and high-low temperature chamber, the host computer are connect at least one control panel, for passing through software control
Whole system processed；The control panel is connected to instrument terminal plate by a total cable, for powering to instrument terminal plate,
Communication switches and transmits information between host computer and instrument terminal plate；The instrument terminal plate is used to connect pressure inverting
Device；The standard pressure gauge and high-low temperature chamber are all connected with host computer, and host computer sends instructions to standard pressure gauge, pass through
The output of adjustment criteria pressure gauge realizes that the sensor to pressure transmitter applies stressed purpose, and host computer is sent instructions to
High-low temperature chamber realizes the purpose that temperature is adjusted.
2. the batch Full-automatic temperature compensation system of pressure transmitter according to claim 1, which is characterized in that the control
Making sheet includes power module, 485 communication modules, current surveillance port, CPU module, display module, toggle switch, channel control
Circuit, relay group and at least one UART isolation modules.
3. the batch Full-automatic temperature compensation system of pressure transmitter according to claim 1, which is characterized in that on described
Communication interface between position machine and control panel is RS485 interfaces or RS232 serial line interfaces.
4. the batch Full-automatic temperature compensation system of pressure transmitter according to claim 1, which is characterized in that on described
Communication interface between position machine and standard pressure gauge and high-low temperature chamber is RS485 interfaces or RS232 serial line interfaces.
5. the batch Full-automatic temperature compensation system of pressure transmitter according to claim 1, which is characterized in that the system
System start before need carry out initialization operation, the Initialize installation including upper computer software, set temperature compensation temperature points,
The temperature value of each point, needs the pressure tested count, is each at the time of each temperature spot temperature stabilization under each temperature spot
The pressure value of pressure spot, the model of standard pressure gauge, model of high-low temperature chamber etc..
6. the batch Full-automatic temperature compensation system of pressure transmitter according to claim 5, which is characterized in that the system
The course of work of system includes the following steps：
The command information sent according to host computer presets the value of high-low temperature chamber and standard pressure gauge；
The command information of control panel is sent to by host computer, in turn Switching power and communication port；
Read the pressure AD values of pressure transmitter and the temperature AD values being connected on instrument terminal plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111759.5A CN108254125A (en) | 2018-02-05 | 2018-02-05 | The batch Full-automatic temperature compensation system of pressure transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810111759.5A CN108254125A (en) | 2018-02-05 | 2018-02-05 | The batch Full-automatic temperature compensation system of pressure transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108254125A true CN108254125A (en) | 2018-07-06 |
Family
ID=62744531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810111759.5A Pending CN108254125A (en) | 2018-02-05 | 2018-02-05 | The batch Full-automatic temperature compensation system of pressure transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108254125A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724748A (en) * | 2019-02-22 | 2019-05-07 | 武汉市聚芯微电子有限责任公司 | Barometer calibration system |
| CN109724747A (en) * | 2019-02-22 | 2019-05-07 | 武汉市聚芯微电子有限责任公司 | Baroceptor batch calibration system |
| CN109781342A (en) * | 2019-02-22 | 2019-05-21 | 武汉市聚芯微电子有限责任公司 | Barometer calibration method and device |
| CN115307817A (en) * | 2022-10-12 | 2022-11-08 | 南通元景电气科技有限公司 | Pressure sensor batch test system and method thereof |
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| US20030221491A1 (en) * | 2002-05-31 | 2003-12-04 | Mykrolis Corporation | System and method of operation of an embedded system for a digital capacitance diaphragm gauge |
| CN203705119U (en) * | 2013-12-23 | 2014-07-09 | 北京远华天创科技有限责任公司 | Automatic batch detector for pressure transmitters |
| CN104596701A (en) * | 2014-12-31 | 2015-05-06 | 重庆川仪自动化股份有限公司 | Temperature and pressure compensation calibration method and system of pressure transmitter |
| CN104949797A (en) * | 2015-05-27 | 2015-09-30 | 重庆川仪自动化股份有限公司 | Temperature and pressure compensation method for pressure/differential pressure sensors |
| CN204881973U (en) * | 2015-05-27 | 2015-12-16 | 重庆川仪自动化股份有限公司 | Pressure transmitter warm -pressing compensating system |
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2018
- 2018-02-05 CN CN201810111759.5A patent/CN108254125A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030221491A1 (en) * | 2002-05-31 | 2003-12-04 | Mykrolis Corporation | System and method of operation of an embedded system for a digital capacitance diaphragm gauge |
| CN203705119U (en) * | 2013-12-23 | 2014-07-09 | 北京远华天创科技有限责任公司 | Automatic batch detector for pressure transmitters |
| CN104596701A (en) * | 2014-12-31 | 2015-05-06 | 重庆川仪自动化股份有限公司 | Temperature and pressure compensation calibration method and system of pressure transmitter |
| CN104949797A (en) * | 2015-05-27 | 2015-09-30 | 重庆川仪自动化股份有限公司 | Temperature and pressure compensation method for pressure/differential pressure sensors |
| CN204881973U (en) * | 2015-05-27 | 2015-12-16 | 重庆川仪自动化股份有限公司 | Pressure transmitter warm -pressing compensating system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109724748A (en) * | 2019-02-22 | 2019-05-07 | 武汉市聚芯微电子有限责任公司 | Barometer calibration system |
| CN109724747A (en) * | 2019-02-22 | 2019-05-07 | 武汉市聚芯微电子有限责任公司 | Baroceptor batch calibration system |
| CN109781342A (en) * | 2019-02-22 | 2019-05-21 | 武汉市聚芯微电子有限责任公司 | Barometer calibration method and device |
| CN115307817A (en) * | 2022-10-12 | 2022-11-08 | 南通元景电气科技有限公司 | Pressure sensor batch test system and method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180706 |