CN206609856U - A kind of density monitor on-line calibration system based on internet - Google Patents
A kind of density monitor on-line calibration system based on internet Download PDFInfo
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- CN206609856U CN206609856U CN201720340581.2U CN201720340581U CN206609856U CN 206609856 U CN206609856 U CN 206609856U CN 201720340581 U CN201720340581 U CN 201720340581U CN 206609856 U CN206609856 U CN 206609856U
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- density monitor
- system based
- calibration system
- internet
- line calibration
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model discloses a kind of density monitor on-line calibration system based on internet, it includes terminal server, interchanger, the computer and several density monitor alignment units of some installations at the scene；The computer and several density monitor alignment units are connected, and the input of described terminal server is connected with the output end of some computers by interchanger.It disclosure satisfy that measurement technology mechanism carries out the demand of online accurate alignment and energy remote transmission data to live density monitor using the calibration system, and temperature-compensating can be carried out, safely, conveniently, accurately, efficiently.
Description
Technical field
The utility model is related to a kind of calibration system, specifically a kind of density monitor on-line calibration system based on internet
System.
Background technology
SF6 switches are a kind of electrical equipment for being widely used in power system, and its reliability service also turns into power system stability and supplied
One of important leverage of electricity.SF6 density monitors are mounted in SF6 switch uses to monitor the unique of SF6 gas density is change
Means.Therefore, the quality of SF6 density monitors is directly related to whether switch can normally run.When calibrating at the scene, not
Under environment temperature together, the pressure value of measurement is converted into pressure value when it corresponds to 20 DEG C, so as to judge SF6 density monitors
Performance.
Magnitude tracing is generally carried out by the way of the density monitor censorship to onsite application at present, cumbersome, effect
Rate is low.
The content of the invention
The utility model purpose：A kind of density monitor on-line calibration system based on internet is provided.
The technical solution of the utility model is：
A kind of density monitor on-line calibration system based on internet, it includes terminal server, interchanger, Ruo Gantai
Computer and several density monitor alignment units at the scene is installed；The computer and several density monitor alignment units
Connection, the input of described terminal server is connected with the output end of some computers by interchanger, is netted and realized with Intel
Remote data transmission；Described density monitor alignment unit includes TT＆C system, Fluid pressure control unit, pressure sensing
Device, high-pressure gas cylinder and communication unit；The output end of described high-pressure gas cylinder connects with the input of Fluid pressure control unit
Connect, the pressure signal output of Fluid pressure control unit is respectively connecting to tested density monitor and pressure sensor, described
Tested density monitor is connected with user's SF6 equipment, and the electrical signal of the tested density monitor is connected by I/O interfaces
To the corresponding signal input part of TT＆C system, the electrical signal of pressure sensor and the corresponding signal input part of TT＆C system
Connection, the signal of communication end of the TT＆C system is connected with communication module.
Further, pressure-reduced and-regulated device is connected on described high-pressure gas cylinder.
Further, described communication unit includes usb interface module and bluetooth transceiver module, foregoing usb interface module
It can be connected with bluetooth transceiver module with being arranged on local computer.
Further, described density monitor alignment unit also includes liquid crystal display, described liquid crystal display with
TT＆C system is connected.
Further, described TT＆C system uses 32 high-speed microprocessors for core.
Further, described density monitor alignment unit also include DC24V power supplys, when tested density monitor without
When electric, powered by DC24V power supplys.
Further, the pipeline in the density monitor alignment unit uses snap joint.
Further, the pressure sensor output electric signal is amplified by signal condition and high-precision A/D conversions are inputted
To TT＆C system.
The beneficial effects of the utility model are：
It disclosure satisfy that measurement technology mechanism carries out online accurate alignment simultaneously to live density monitor using the calibration system
The demand of energy remote transmission data, can be at the scene to (- 0.1~0.9) MPa, 1.6 grades and following density monitor progress
On-line calibration, and temperature-compensating can be carried out, safely, conveniently, accurately, efficiently.
Brief description of the drawings
Fig. 1 is according to structure principle chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in figure 1, a kind of density monitor on-line calibration system based on internet, it includes terminal server, handed over
Change planes, some computer and several density monitor alignment units at the scene is installed；The computer and several density after
Electrical equipment alignment unit is connected, and the input of described terminal server is connected with the output end of some computers by interchanger,
Remote data transmission is realized with Intel nets；Described density monitor alignment unit includes TT＆C system, Fluid pressure and controlled
Unit, pressure sensor, high-pressure gas cylinder and communication unit；The output end of described high-pressure gas cylinder controls single with Fluid pressure
The input connection of member, the pressure signal output of Fluid pressure control unit is respectively connecting to by school density monitor and pressure biography
Sensor, described tested density monitor is connected with user's SF6 equipment, and the electrical signal of the tested density monitor passes through
I/O interfaces are connected to the corresponding signal input part of TT＆C system, the electrical signal of pressure sensor and pair of TT＆C system
Induction signal input is connected, and the signal of communication end of the TT＆C system is connected with communication module.
During specific implementation：
1st, preparation
1) connection line：Instrument case lid is opened, test pipeline and circuit in annex bag is taken out, instrument electricity is sequentially connected
Source, loading line, test pipeline, gas exhaust piping, signal acquisition line etc..
2) by by the test interface connection of school density monitor and instrument, detection confirms that each portion's connection is correct, enters back into survey
Measure interface.
2nd, density monitor is calibrated
1) start preheating, into density monitor verifying function, input density relay precision
2) relevant parameters such as pressure type, environment temperature, times of collection, relay numbering are set
3) calibration is started
Open high-pressure gas cylinder, to Fluid pressure control unit provide pressure signal, measurement and control unit according to specification requirement,
Fluid pressure control unit is controlled to export the pressure value needed for each measurement point；
The pressure signal output of Fluid pressure control unit is respectively connecting to by school density monitor and pressure sensor, should
Pressure signal is converted into electric signal display measurement data and is exported by I/O interfaces to TT＆C system by school density monitor
Pressure signal is converted to electric signal output to TT＆C system by correspondence signal input part, pressure sensor, on a liquid crystal display
Show online calibration system indicating value；
4) measurement result is stored in instrument or print data
3rd, data transfer
1) test data can be uploaded by PC by USB interface.
2) realize that many online calibration systems of set are carried out remotely with computer and server by wireless blue tooth sending and receiving apparatus
Data transfer, automatically generates original record and calibration certificate, realizes on-line calibration.
Claims (8)
1. a kind of density monitor on-line calibration system based on internet, it is characterized in that it include terminal server, interchanger,
The computer and several density monitor alignment units of some installations at the scene；The computer and several density monitor schools
Quasi- unit connection, the input of described terminal server is connected with the output end of some computers by interchanger, uses Intel
Net realizes remote data transmission；Described density monitor alignment unit includes TT＆C system, Fluid pressure control unit, pressure
Sensor, high-pressure gas cylinder and communication unit；The output end of described high-pressure gas cylinder and the input of Fluid pressure control unit
End connection, the pressure signal output of Fluid pressure control unit is respectively connecting to tested density monitor and pressure sensor, institute
The tested density monitor stated is connected with user's SF6 equipment, and the electrical signal of the tested density monitor passes through I/O interfaces
Be connected to the corresponding signal input part of TT＆C system, the electrical signal of pressure sensor and TT＆C system it is defeated to induction signal
Enter end connection, the signal of communication end of the TT＆C system is connected with communication module.
2. according to a kind of density monitor on-line calibration system based on internet described in claim 1, it is characterized in that described
Pressure-reduced and-regulated device is connected on high-pressure gas cylinder.
3. according to a kind of density monitor on-line calibration system based on internet described in claim 1, it is characterized in that described
Communication unit includes usb interface module and bluetooth transceiver module, and foregoing usb interface module and bluetooth transceiver module can be with settings
It is connected in local computer.
4. according to a kind of density monitor on-line calibration system based on internet described in claim 1, it is characterized in that described
Density monitor alignment unit also includes liquid crystal display, and described liquid crystal display is connected with TT＆C system.
5. a kind of density monitor on-line calibration system based on internet according to claim 1, it is characterized in that described
TT＆C system use 32 high-speed microprocessors for core.
6. a kind of density monitor on-line calibration system based on internet according to claim 1, it is characterized in that described
Density monitor alignment unit also include DC24V power supplys, when tested density monitor is not charged, powered by DC24V power supplys.
7. a kind of density monitor on-line calibration system based on internet according to claim 1, it is characterized in that described
Pipeline in density monitor alignment unit uses snap joint.
8. a kind of density monitor on-line calibration system based on internet according to claim 1, it is characterized in that described
Pressure sensor exports electric signal and amplified by signal condition and high-precision A/D conversions input to TT＆C system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720340581.2U CN206609856U (en) | 2017-04-01 | 2017-04-01 | A kind of density monitor on-line calibration system based on internet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720340581.2U CN206609856U (en) | 2017-04-01 | 2017-04-01 | A kind of density monitor on-line calibration system based on internet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206609856U true CN206609856U (en) | 2017-11-03 |
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| CN201720340581.2U Active CN206609856U (en) | 2017-04-01 | 2017-04-01 | A kind of density monitor on-line calibration system based on internet |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226768A (en) * | 2017-11-20 | 2018-06-29 | 国家电网公司 | Temperature-compensating check system and method |
| CN109521360A (en) * | 2018-12-28 | 2019-03-26 | 广东电网有限责任公司 | Relay contact signal detection apparatus and system |
| CN110308105A (en) * | 2019-04-24 | 2019-10-08 | 中国矿业大学 | Non-dispersive infrared methane sensor verification system based on cloud platform |
-
2017
- 2017-04-01 CN CN201720340581.2U patent/CN206609856U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226768A (en) * | 2017-11-20 | 2018-06-29 | 国家电网公司 | Temperature-compensating check system and method |
| CN109521360A (en) * | 2018-12-28 | 2019-03-26 | 广东电网有限责任公司 | Relay contact signal detection apparatus and system |
| CN110308105A (en) * | 2019-04-24 | 2019-10-08 | 中国矿业大学 | Non-dispersive infrared methane sensor verification system based on cloud platform |
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