CN208984241U - A kind of device for multichannel temperature calibrating - Google Patents
A kind of device for multichannel temperature calibrating Download PDFInfo
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- CN208984241U CN208984241U CN201821890534.6U CN201821890534U CN208984241U CN 208984241 U CN208984241 U CN 208984241U CN 201821890534 U CN201821890534 U CN 201821890534U CN 208984241 U CN208984241 U CN 208984241U
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Abstract
The utility model relates to plant the device for multichannel temperature calibrating, by shell and it is arranged in the intracorporal multichannel temperature module composition of shell, the central processing unit of multichannel temperature module is connect with temperature interface, temperature standard G-interface, communication interface with pc, manual switching key, temperature standard collector communication interface, reserved communication interface and several pairs of dpdt relays respectively, and each pair of dpdt relay constitutes several channel interface T1 to Tn by temperature expansion interface；Temperature interface and several channel interface T1 to Tn are equipped on case panel；It is equipped with power switch and power supply interface on the panel of shell side, communication interface with pc and manual switching key are equipped on the panel of the shell other side；Temperature standard G-interface, reserved communication interface and temperature standard collector communication interface are equipped on shell back face-plate.8 road dut temperature sensor calibration operations can be achieved at the same time in the utility model, improve calibrating efficiency.
Description
Technical field
The utility model relates to a kind of automatic calibrator, specifically a kind of device for multichannel temperature calibrating is used
In temperature sensor calibration operation.
Background technique
Temperature is one of fundamental of meteorological observation, the predominantly four-wire system platinum resistance that China's Primary Climatological Stations use
Temperature sensor；Temperature sensor radix is big, it is desirable that and the re-testing periods are short, currently, the calibrating of China's temperature sensor at auto weather stations
There is the problems such as being influenced by manual operation, the calibrating time is long, and working efficiency is low, and the degree of automation is not high, meteorological department in process
Prefecture-level the matched calibration equipment of measurement verification department, is far from satisfying the workload needs examined and determine at present.
Summary of the invention
Situation and existing deficiency in view of the prior art, the utility model provide a kind of novel multi-channel temperature calibrating
Device is able to achieve multichannel and is detected temperature sensor while examining and determine, and by PC control, realizes the full-automation of verification process
Operation improves calibrating efficiency.Compared with existing temperature calibrating installation, there is performance, efficiency, the comprehensive advantage of cost, popularization is answered
It is very wide with prospect.
The system by the automatic detection that Meteorological Field is greatly improved and ensures water in the extensive use of Meteorological Field
It is flat.
To achieve the above object, used technical solution is the utility model: a kind of to examine and determine for multichannel temperature
Device, it is characterised in that: by shell and setting in the intracorporal multichannel temperature module composition of shell, the multichannel temperature module by
Central processing unit, temperature expansion interface, power switch, power supply interface, temperature interface, temperature standard G-interface, host computer
Communication interface, manual switching key, temperature standard collector communication interface, reserved communication interface, several pairs of dpdt relays
It constitutes；
The central processing unit respectively with temperature interface, temperature standard G-interface, communication interface with pc, manually cut
It is double to change key, temperature standard collector communication interface, reserved communication interface and several pairs of dpdt relay connections, each pair of double-pole
It throws relay and several channel interface T1 to Tn is constituted by temperature expansion interface；
Temperature interface and several channel interface T1 to Tn are equipped on case panel；
Power switch and power supply interface are equipped on the panel of shell side, it is logical equipped with host computer on the panel of the shell other side
Communication interface and manual switching key；
Temperature standard G-interface, reserved communication interface and the communication of temperature standard collector are equipped on shell back face-plate
Interface.
The beneficial effects of the utility model are:
1, the dut temperature sensor by the temperature standard collector connection that prefecture-level meteorological phenomena measurement department is equipped with connects all the way
Mouth extends to 8 road interfaces, and 8 road dut temperature sensor calibration operations, compared with traditional technology, the utility model can be achieved at the same time
The calibration operation time only has original 1/8, improves calibrating efficiency, can also be according to the principle of work and power of the utility model, by 8 road interfaces
More interfaces are extended to, to meet the needs of testing person's difference use condition；
2, automatic control is changed into work manually-operated in original verification process, testing person need to only control upper
Machine intervenes prosthetic operation in verification process, realizes the full-automatic operation of verification process, reduces manual operation error, into
One step improves calibrating efficiency.
3, each interface channel switching of multichannel temperature module is all made of physics on-off mode, does not introduce external interference,
And meet JJG(meteorology) in 002-2015 " automatic weather station platinum resistance temperature sensor vertification regulation " about temperature calibration equipment
Change-over switch contact potential≤1.0 μ V requirement.
4, temperature standard collector, the temperature standard table of the prefecture-level original buying of meteorological phenomena measurement department, these standards trace back
Source link does not change with mode, and the utilization rate of existing equipment can be made to improve, thus reduce purchase cost and use at
This；Compared with traditional technology, there is performance, efficiency, the comprehensive advantage of cost, popularization and application foreground is very wide.
Detailed description of the invention
Fig. 1 is the circuit connection block diagram of the utility model；
Fig. 2 is the main view of the utility model shell；
Fig. 3 is the main view of the utility model shell；
Fig. 4 is the right view of the utility model shell；
Fig. 5 is the rearview of the utility model shell.
Specific embodiment
In order to further illustrate technological means and its effect that the utility model is taken, below with reference to preferred embodiment
And its attached drawing 1 is described in further detail the utility model to Fig. 5.
A kind of device for multichannel temperature calibrating, by shell 1 and the multichannel temperature module structure being arranged in shell 1
At multichannel temperature module is by central processing unit, temperature expansion interface, power switch 2, power supply interface 3, temperature interface 4, temperature
Calibrated generator interface 5, manual switching key 7, temperature standard collector communication interface 8, is reserved and is led to communication interface with pc 6
Believe that interface 9, several pairs of dpdt relays are constituted.
Central processing unit respectively with temperature interface 4, temperature standard collector communication interface 8, communication interface with pc 6, temperature
The quasi- G-interface 5 of scale, manual switching key 7 and eight pairs of dpdt relay connections, each pair of dpdt relay are logical
Excess temperature expansion interface constitutes eight channel interface T1 to T8.
It is equipped with temperature interface 4 and eight channel interface T1 to T8 on 1 panel of shell, is equipped on 1 side panel of shell
Power switch 2 and power supply interface 3 are equipped with communication interface with pc 6 and manual switching key 7 on 1 other side panel of shell,
1 rear panel of shell is equipped with temperature standard G-interface 5, reserved communication interface 9 and temperature standard collector communication interface 8.
The utility model use " it is integrated -- distribution " formula framework, master of the multichannel temperature module as entire calibrating installation
Body is connect with tested temperature sensor A1 to An, and single channel temperature standard collector is extended to multichannel, and and temperature standard
Generator, temperature standard collector corollary equipment connecting communication realize data interaction with host computer.In multichannel temperature module
Manual switching key 7 can be used under non-calibrating state, T1 being switched fast manually to Tn channel interface when carrying out test job,
Testing person is facilitated to check the tested sensor states of each channel interface in time.Meanwhile multichannel temperature assay module is also pre-
Reserved communication interface 9 is reserved, the different calibrating detection devices that can be used from now on according to user quickly carry out upgrading extension work.
It is designed using modularization hierarchical structure, by temperature standard generator, temperature standard collector, multichannel temperature
Module, host computer, printer, server cascade up, and realize that calibrating installation is automatically controlled, calibrating automatic data collection, examined and determine
As a result data certificate automatic generation function is automatically processed and examines and determine, the data of calibrating can be uploaded to server or reach output equipment
Printing.Host computer includes login interface function, user authority management function, organization information management function, equipment Management Function, inspection
It surveys and checks oneself function, individual operations with calibrating function, record certificate management functions, help document function, data storage function, self-test
Functional module.
A kind of application method of the device for multichannel temperature calibrating, steps are as follows:
The first step manually checks each interface with the presence or absence of exception, multichannel temperature module for power supply interface 3 is fitted with 12V
Orchestration connection, temperature interface 4 is connect with the end temperature standard collector ch.2, by temperature standard G-interface 5 and the scale of thermometer
Quasi- generator connection, communication interface with pc 6 is connect with host computer serial ports, host computer connects with printer and server respectively
It connects, temperature standard collector communication interface 8 is connect by temperature standard collector with temperature standard table, it is finally tested by eight
Sensors A 1 corresponds respectively to several channel interface T1 to T8 connections of temperature expansion interface to A8；By eight tested sensors As 1
It is put into temperature standard generator temperature slot to A8 and temperature standard table, after confirmation is errorless, starts each corollary equipment power supply, press
Power switch 2, device power, into calibrating host computer.
Second step inputs verification worker information into after calibrating host computer, and into self-check of device interface, device can be automatic complete
Whole communication self-test in pairs enters calibrating interface after the completion.
Third step configures tested sensors A 1 to A8 information, inputs number, the factory day of tested temperature sensor A1 to A8
Phase, vendor name information, automatic Verification interface of entering to enter after the completion, according to JJG(meteorology) 002-2015 " automatic weather station platinum electricity
Hinder temperature sensor vertification regulation " regulatory requirements, whether verification worker should qualified according to the tested temperature sensor appearance of prompt range estimation,
Enter the error of indication after judgement is qualified and examines and determine interface.
Tetra- Walk, after examining and determine interface into the error of indication, host computer can carry out communicating certainly with multichannel temperature acquisition module
Inspection, after self-test success, the time S1 of setting multichannel temperature module temperature expansion interface switching, temperature expansion interface default location
For channel interface T1, after the completion of setting, start calibration operation, host computer can control the scale of thermometer by control multichannel temperature module
Quasi- generator reaches set temperature value, and when set temperature value to be achieved, the temperature indicating value of sensors A 1 tested first passes through more
The channel interface T1 of channel temperature module temperature expansion interface is acquired by the temperature standard end collector Ch.2 on temperature interface 4,
Temperature standard collector uniformly passes through the indicating value data of the collected temperature standard table of synchronization and tested sensors A 1 more
Channel temperature module uploads in host computer, completes first time data collection task；
After setting time reaches S1, the central processing unit of multichannel temperature module controls several pairs of dpdt relays and closes
It closes, then opens 2 dpdt relay A1 connecting with channel interface T1, at this time the end temperature standard collector Ch.2a
It is connected by temperature interface 4 with the end channel interface T2 of temperature expansion interface, 2 data of dut temperature sensors A start to acquire, first
The temperature indicating value for being first tested sensors A 2 passes through the channel interface T2 of multichannel temperature module temperature expansion interface, by temperature interface
The temperature standard end collector Ch.2 acquisition on 4, temperature standard collector is by the collected temperature standard table of synchronization and quilt
The indicating value data for surveying sensor uniformly pass through multichannel temperature module and upload in host computer, and complete a data and acquire work
Make；
The step of according to above-mentioned tetra- Walk, is sequentially completed the indicating value and synchronization temperature standard of tested sensors A 3 to A8
The acquisition of table data, upload the data in host computer.
5th step, upload the data in host computer, and host computer shows tested sensor and temperature standard expression value
Value compares, and compares standard according to JJG(meteorology) 002-2015 " automatic weather station platinum resistance temperature sensor vertification regulation " regulation,
Finally determine whether the tested sensor is qualified.
6th step, host computer indicate Value Data according to tested sensor and temperature standard, and the knot of verification worker range estimation before
Fruit, standard calibrating number, standard calibrating time, calibrating date, current assay room environmental temperature and humidity, testing person's information are raw
At calibrating record sheet, verification worker can judge whether tested sensor is qualified, and it is qualified such as to judge according to calibrating record sheet information, according to
The correspondence weather bureau rainfall gauge calibration certificate template of offer, automatically generates calibration certificate, and certificate is stored into host computer, for inspection
Staffing is consulted at any time, can also upload preservation to server, calibration certificate can be printed out by printer, and by assay approval
Temperature sensor storage is in case use, if judgement is unqualified, testing person can be pressed by the manual switching of multichannel temperature module
The temperature expansion interface for examining and determine underproof dut temperature sensor connection is switched to current host computer data and acquires shape by key 7
State carries out unqualified sensor convenient for testing person and checks debugging efforts, lists defective item and carries out depot repair processing, until
This calibration operation is completed.
Claims (1)
1. a kind of device for multichannel temperature calibrating, it is characterised in that: more in shell (1) by shell (1) and setting
Channel temperature module composition, the multichannel temperature module is by central processing unit, temperature expansion interface, power switch (2), power supply
Interface (3), temperature interface (4), temperature standard G-interface (5), communication interface with pc (6), manual switching key (7),
Temperature standard collector communication interface (8), reserved communication interface (9), several pairs of dpdt relays are constituted；
The central processing unit respectively with temperature interface (4), temperature standard G-interface (5), communication interface with pc (6),
Manual switching key (7), temperature standard collector communication interface (8), reserved communication interface (9) and several pairs of dpdt relays
Connection, each pair of dpdt relay constitute several channel interface T1 to Tn by temperature expansion interface；
Temperature interface (4) and several channel interface T1 to Tn are equipped on shell (1) panel；
It is equipped with power switch (2) and power supply interface (3) on the panel of shell (1) side, is equipped on the panel of shell (1) other side
Communication interface with pc (6) and manual switching key (7)；
Temperature standard G-interface (5), reserved communication interface (9) and temperature standard acquisition are equipped on shell (1) rear panel
Device communication interface (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821890534.6U CN208984241U (en) | 2018-11-16 | 2018-11-16 | A kind of device for multichannel temperature calibrating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821890534.6U CN208984241U (en) | 2018-11-16 | 2018-11-16 | A kind of device for multichannel temperature calibrating |
Publications (1)
| Publication Number | Publication Date |
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| CN208984241U true CN208984241U (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821890534.6U Active CN208984241U (en) | 2018-11-16 | 2018-11-16 | A kind of device for multichannel temperature calibrating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269680A (en) * | 2018-11-16 | 2019-01-25 | 中环天仪（天津）气象仪器有限公司 | A kind of device and method for multichannel temperature calibrating |
-
2018
- 2018-11-16 CN CN201821890534.6U patent/CN208984241U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269680A (en) * | 2018-11-16 | 2019-01-25 | 中环天仪（天津）气象仪器有限公司 | A kind of device and method for multichannel temperature calibrating |
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