CN109857009A - A kind of signal adaptation device for the calibration of electricity multi-parameter - Google Patents
A kind of signal adaptation device for the calibration of electricity multi-parameter Download PDFInfo
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- CN109857009A CN109857009A CN201811549521.7A CN201811549521A CN109857009A CN 109857009 A CN109857009 A CN 109857009A CN 201811549521 A CN201811549521 A CN 201811549521A CN 109857009 A CN109857009 A CN 109857009A
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- signal
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Abstract
The present invention relates to a kind of signal adaptation devices for the calibration of electricity multi-parameter comprising cabinet, cabinet front are provided with front panel, and rear portion is provided with back shroud；One piece of core control panel and muti-piece signal switch boards are provided in cabinet, it is provided with the electric connector connecting with many types of electricity special test equipment signal on front panel, the electric connector connecting with the standard source and standard scale signal calibrated for electricity multi-parameter is provided on back shroud；External Measurement &control computer is received instruction and is parsed by core control panel sendaisle switching command, core control panel, is then sent I/O signal driving signal switch boards and is completed TCH test channel switching corresponding with instruction.The present invention overcomes complex interfaces existing for existing calibration means, calibration efficiency are low, the defects of wasting of resources is more, the automatization level for many types of electricity special test equipment measurement verification is improved, the automation of many types of electricity Calibration for Special Testing Equipment process calibration signal channel program-controlled switching and calibration process is realized.
Description
Technical field
The present invention relates to test equipment measurement and calibration technical fields, specifically about it is a kind of for electricity multi-parameter calibration
Signal adaptation device.
Background technique
Research and production and working service process for each field important equipment, there are the electricity of quantity and huge number is special
With test equipment, interface is various, and signal type is more, and traditional mode is usually using specific for single specially measurement equipment design
Measuring equipment or the method for transit cable realize its parametric calibration；The complex interfaces of this mode, calibration efficiency are low, resource wave
Fei Duo realizes that type calibration platform is imperative to the comprehensive parameters auto-calibration of the more special test equipments of many types of electricity.From
Dynamicization calibration not only can save the time, it is often more important that improve the accuracy and reliability of calibration data, and realize automation
How the critical issue of calibration realizes the multi-functional calibration platform input and output of the electricity in embedded multiple standards source and standard scale and quilt
Examine the reliability and accuracy of the special measurement equipment signal connection of electricity, it is ensured that in electricity special test equipment auto-calibration process
Safety and reliability.In order to solve this problem, need to establish a kind of signal adaptation device for the calibration of electricity multi-parameter.
The multi-functional calibration platform of electricity and many types of electricity special test in order to realize embedded multiple standards source and standard scale
Device signal is reliably connected, and is sorted out by the analysis to all kinds of electrical testing signals, how to be designed multi-signal switching and is mended
Circuit is repaid, a kind of signal adaptation device for the calibration of electricity multi-parameter is established, realizes many types of electricity Calibration for Special Testing Equipment
The technical issues of program-controlled switching in process calibration signal channel and the automation of calibration process become current urgent need to resolve.
Summary of the invention
In view of the above-mentioned problems, the object of the present invention is to provide a kind of signal adaptation device for the calibration of electricity multi-parameter,
The defects of which overcome complex interfaces existing for existing calibration means, calibration efficiency are low, and the wasting of resources is more, improves for many types of
The automatization level of electricity special test equipment measurement verification realizes many types of electricity Calibration for Special Testing Equipment process alignment
The automation of signal path program-controlled switching and calibration process.
To achieve the above object, the present invention takes following technical scheme: a kind of signal for the calibration of electricity multi-parameter is suitable
With device comprising cabinet, front panel and back shroud；The cabinet front is provided with the front panel, and rear portion is provided with described
Back shroud；It is provided with one piece of core control panel and muti-piece signal switch boards in the cabinet, is provided on the front panel and more
The electric connector of type electricity special test equipment signal connection, be provided on the back shroud with for the calibration of electricity multi-parameter
Standard source and the electric connector of standard scale signal connection；External Measurement &control computer is switched by the core control panel sendaisle
Instruction, the core control panel receive instruction and are parsed, and then send I/O signal and the signal switch boards is driven to complete and refer to
Corresponding TCH test channel is enabled to switch.
Further, the electric connector uses air plug.
Further, the core control panel includes that MCU, FPGA, serial port chip, light coupling relay and signal input and output connect
Plug-in unit；The MCU carries out information exchange through the serial port chip and the external Measurement &control computer, and the FPGA with it is described
MCU carries out information exchange；The channel switching command that the external Measurement &control computer that the MUC is used to receive is transmitted to passes
The FPGA is transported to, and the FPGA information fed back to is transmitted to the external Measurement &control computer；The FPGA is to reception
To the processing of channel switching command after through the signal input and output connector be transmitted to signal switch boards, meanwhile, through described
Treated that channel switching command is transmitted to the light coupling relay by FPGA, by the light coupling relay to digital multimeter, show
The TCH test channel of wave device switches over control.
Further, solid-state of each signal switch boards all in accordance with the selection unlike signal of different sizes of Measurement channel electric current
Relay.
Further, circuit board fixing rack, power conversion board, power supply and circuit board are additionally provided in the cabinet to fix
Frame；The circuit board fixing rack is arranged in the cabinet bottom, the core control panel and each signal switch boards and is arranged successively
It is arranged in the circuit board fixing rack, isolation fixation is carried out using the circuit board fixed frame between adjacent circuit board；Position
In being provided with the power conversion board on the cabinet internal upper part side wall, the power supply is arranged in the power conversion board
On.
Further, the cabinet internal upper part is provided with cable terminal row.
The invention adopts the above technical scheme, which has the following advantages: the present invention realizes embedded multiple standards source
And the multi-functional reliability that is connect with the special measurement equipment signal of tested electricity of calibration platform input and output of electricity and accurately of standard scale
Property, it is ensured that in the safety and reliability of electricity special test equipment auto-calibration process.
Detailed description of the invention
Fig. 1 is the box house scheme of installation of the signal adaptation device in embodiment；
Fig. 2 is the front-panel structure schematic diagram in embodiment；
Fig. 3 is the rear cover plate structure schematic diagram in embodiment；
Fig. 4 is the core control panel structural schematic diagram in embodiment.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1 to Figure 3, the present invention provides a kind of signal adaptation device for the calibration of electricity multi-parameter comprising
Cabinet, front panel and back shroud；Cabinet front is provided with front panel, and rear portion is provided with back shroud.One piece of core is provided in cabinet
Heart control panel and muti-piece signal switch boards are provided with the electricity connecting with many types of electricity special test equipment signal on cabinet front panel
Connector, is provided on back shroud and electric connector that the standard source for the calibration of electricity multi-parameter and standard scale signal are connect.
Wherein, electric connector can use air plug.When carrying out the calibration of electricity multi-parameter, controlled by external Measurement &control computer by core
Plate sendaisle switching command, core control panel receive instruction and are parsed, and it is complete then to send I/O signal driving signal switch boards
Switch at TCH test channel corresponding with instruction.
In a preferred embodiment, as shown in figure 4, core control panel include MCU, FPGA, serial port chip, optocoupler after
Electric appliance and signal input and output connector.MCU carries out information exchange through serial port chip and external Measurement &control computer, and FPGA with
MCU carries out information exchange；MUC is for the channel switching command that the external Measurement &control computer received is transmitted to be transmitted to
FPGA, and the information that FPGA is fed back to is transmitted to external Measurement &control computer.FPGA handles the channel switching command received
Signal switch boards are transmitted to by signal input and output connector, meanwhile, through FPGA, treated that channel switching command is transmitted to
Light coupling relay switches over control to the measuring instruments TCH test channel such as digital multimeter, oscillograph by light coupling relay.This hair
Bright the advantages of taking full advantage of two kinds of chips of MCU and FPGA, multiple signals switching control and data communication are realized, simplifies and sets
Meter.
In a preferred embodiment, each signal switch boards are different all in accordance with the selection of different sizes of Measurement channel electric current
The solid-state relay of signal analyzes relevant channel switching control relationship, and increases safety control measures, it is ensured that by calibration equipment
Safety.
In the various embodiments described above, it is located in the box body and is additionally provided with circuit board fixing rack, power conversion board, power supply, electricity
Road plate fixed frame and cable terminal row.Bottom, core control panel and each signal switch boards are arranged in cabinet in circuit board fixing rack
It is arranged in order in circuit board fixing rack, isolation fixation is carried out using circuit board fixed frame between adjacent circuit board.Position
In being provided with power conversion board on cabinet internal upper part side wall, power supply is arranged on power conversion board；It is located in the box body top
It is additionally provided with cable terminal row.
Embodiment:
In the present embodiment for electricity multi-parameter calibration signal adaptation device, including a cabinet, front panel and after
Cover board, cabinet are provided with one piece of core control panel and muti-piece signal switch boards, are equipped on cabinet front panel dedicated with many types of electricity
The air plug of test equipment signal connection, back shroud are equipped with and connect with the standard source and standard scale signal calibrated for electricity multi-parameter
Air plug.
As shown in Figure 1, for scheme of installation inside the signal adaptation device box of embodiment, including 1 cabinet, 2 circuit boards
Fixed frame, 3 power conversion boards, 4 power supplies, 5 signal switch boards DX4,6 signal switch boards DX6,7 core control panel DX1,8 believe
Number switch boards DX7,9 signal switch boards DX2,10 signal switch boards DX3,11 circuit board fixed frames and 12 cable terminals row.
As shown in Fig. 2, being the cabinet front panel of embodiment, the size of front panel is 12U, be equipped with it is dedicated by school electricity
15 electric connectors (17~39 in figure) of test equipment connection can carry out test channel signal with 11 type special test equipments
Connection；13 battery main switch in figure, 14 power supply indicators, 15 power supplys always insure, and there are also 4 subitems to switch in addition to master switch, refers to
Show that lamp, protective tube respectively correspond switch, indicator light and the insurance of 4 standard sources and standard scale equipment；16 power input interfaces,
The interface uses the electric connector with power filter function, enhances the Electro Magnetic Compatibility of signal adaptation case.
As shown in figure 3, being the back shroud of embodiment, 12 electric connectors are installed, 40 high-precision frequency meter power supply interfaces,
41 Ethernet interfaces, 42 high-precision frequency meter signaling interfaces, 43 high precision AC/DC power supply power supply interfaces, 44 high precision AC/DCs
Power supply serial control interface, 45 high precision AC/DC power output interfaces, 46 DC load power supply interfaces, 47 DC loads are serial
Control interface, 48 DC load output interfaces, 49 electricity standard source power supply interfaces, 50 electricity standard source serial control interfaces, 51
Electricity standard source signaling interface.Signal adaptation case is realized by this 12 interfaces to high-precision frequency meter, high precision AC/DC electricity
Power supply, communication and the signal path switching of the equipment such as source, DC load, electricity standard source.
The various embodiments described above are merely to illustrate the present invention, and structure and size, setting position and the shape of each component are all can be with
It is varied, based on the technical solution of the present invention, the improvement and wait that all principles according to the present invention carry out individual part
With transformation, should not exclude except protection scope of the present invention.
Claims (6)
1. a kind of signal adaptation device for the calibration of electricity multi-parameter, it is characterised in that: including cabinet, front panel and rear cover
Plate；The cabinet front is provided with the front panel, and rear portion is provided with the back shroud；One piece of core is provided in the cabinet
Control panel and muti-piece signal switch boards are provided on the front panel and are electrically connected with what many types of electricity special test equipment signal was connect
Device is connect, the electrical connection connecting with the standard source and standard scale signal calibrated for electricity multi-parameter is provided on the back shroud
Device；External Measurement &control computer by the core control panel sendaisle switching command, the core control panel reception instruct into
Then row parsing sends I/O signal and the signal switch boards is driven to complete TCH test channel switching corresponding with instruction.
2. device as described in claim 1, it is characterised in that: the electric connector uses air plug.
3. device as described in claim 1, it is characterised in that: the core control panel includes MCU, FPGA, serial port chip, optocoupler
Relay and signal input and output connector；The MCU carries out information through the serial port chip and the external Measurement &control computer
Interaction, and the FPGA and MCU carries out information exchange；The MUC is used for the external Measurement &control computer that will be received
The channel switching command being transmitted to is transmitted to the FPGA, and the FPGA information fed back to is transmitted to the external observing and controlling
Computer；The FPGA is transmitted to signal through the signal input and output connector to after the channel switching command processing received
Switch boards, meanwhile, through the FPGA, treated that channel switching command is transmitted to the light coupling relay, by the optocoupler relay
Device switches over control to the TCH test channel of digital multimeter, oscillograph.
4. device as described in claim 1, it is characterised in that: size of each signal switch boards all in accordance with Measurement channel electric current
Difference selects the solid-state relay of unlike signal.
5. such as any one of Claims 1-4 described device, it is characterised in that: be additionally provided in the cabinet circuit board fixing rack,
Power conversion board, power supply and circuit board fixed frame；Bottom, the core is arranged in the cabinet in the circuit board fixing rack
Heart control panel and each signal switch boards are arranged in order in the circuit board fixing rack, and institute is used between adjacent circuit board
It states circuit board fixed frame and carries out isolation fixation；The power conversion board is provided on the cabinet internal upper part side wall, it is described
Power supply is arranged on the power conversion board.
6. device as claimed in claim 5, it is characterised in that: the cabinet internal upper part is provided with cable terminal row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549521.7A CN109857009A (en) | 2018-12-18 | 2018-12-18 | A kind of signal adaptation device for the calibration of electricity multi-parameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811549521.7A CN109857009A (en) | 2018-12-18 | 2018-12-18 | A kind of signal adaptation device for the calibration of electricity multi-parameter |
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| Publication Number | Publication Date |
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| CN109857009A true CN109857009A (en) | 2019-06-07 |
Family
ID=66891455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811549521.7A Pending CN109857009A (en) | 2018-12-18 | 2018-12-18 | A kind of signal adaptation device for the calibration of electricity multi-parameter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327803A (en) * | 2020-10-29 | 2021-02-05 | 深圳市道通科技股份有限公司 | Calibration system and method for automobile diagnosis equipment |
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| CN108183934A (en) * | 2017-12-05 | 2018-06-19 | 北京航天计量测试技术研究所 | The multi-functional calibration platform of electricity based on B/S frameworks |
| CN108421160A (en) * | 2018-05-09 | 2018-08-21 | 杭州市质量技术监督检测院 | It is exclusively used in the special multi-parameter signals detection circuit of electric needle therapeutic instrument and method |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176161A (en) * | 2013-03-11 | 2013-06-26 | 中国人民解放军63908部队 | Automatic electric quantity calibrating system and automatic electric quantity calibrating method |
| CN204347228U (en) * | 2014-12-12 | 2015-05-20 | 西安航天计量测试研究所 | A kind of engine special test equipment field calibration device |
| CN105068445A (en) * | 2015-07-31 | 2015-11-18 | 中国航空无线电电子研究所 | Multifunctional signal route adaption matrix |
| CN107807297A (en) * | 2017-11-13 | 2018-03-16 | 广州擎天实业有限公司 | A kind of automatic calibration measurement device |
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| CN108107398A (en) * | 2017-12-29 | 2018-06-01 | 优利德科技(中国)有限公司 | A kind of automatic Verification method and system of measuring apparatus |
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| CN112327803A (en) * | 2020-10-29 | 2021-02-05 | 深圳市道通科技股份有限公司 | Calibration system and method for automobile diagnosis equipment |
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Application publication date: 20190607 |
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