CN110207857A - A kind of calibration equipment and its method of calibration of connection box of electric energy meter terminal temperature detection - Google Patents
A kind of calibration equipment and its method of calibration of connection box of electric energy meter terminal temperature detection Download PDFInfo
- Publication number
- CN110207857A CN110207857A CN201910602595.0A CN201910602595A CN110207857A CN 110207857 A CN110207857 A CN 110207857A CN 201910602595 A CN201910602595 A CN 201910602595A CN 110207857 A CN110207857 A CN 110207857A
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- electric energy
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 13
- 239000002184 metal Substances 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000012795 verification Methods 0.000 claims description 8
- 238000005485 electric heating Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 2
- 206010037660 Pyrexia Diseases 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/005—Calibration
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- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention discloses a kind of calibration equipments of connection box of electric energy meter terminal temperature detection, including controller, controller is connect by wireless communication module or cable with electric energy meter, electric energy meter is equipped with multiple connecting terminals, metal contact is equipped in each connecting terminal, temperature sensor I is additionally provided in each connecting terminal, temperature detection calibration equipment further includes the terminal base with controller by cable connection, multiple binding posts are connected on terminal base, one binding post is correspondingly connected with a connecting terminal, each binding post includes metal shell, temperature sensor II and heat generating device are equipped in metal shell, metal shell end is equipped with the connection contact being in contact with metal contact.Whether calibration equipment of the present invention can accurately test to connection box of electric energy meter terminal temperature detection, to keep the measurement of connecting terminal temperature more accurate, reliable.
Description
Technical field
The present invention relates to a kind of calibration equipments of connection box of electric energy meter terminal temperature detection, further relate to the school of above-mentioned calibration equipment
Proved recipe method.
Background technique
When electric energy meter field is installed and used, if the crimping screw on connecting terminal, which is not tightened, is clamped conducting wire, or make
Conducting wire is meticulous, causes contact surface is too small to lead to poor contact, so as to cause contact resistance is bigger than normal or other reason (circuits
Electric current is greater than electric energy meter maximum current), when having high current, long-play, can generate heat at connecting terminal, meeting when serious
Connecting terminal and electric energy meter are burnt, the safety accidents such as fire, personal injury are caused.For this purpose, existing electric energy meter has increased
Connecting terminal temp sensing function is compared by measurement terminal temperature with setting value, and electric energy meter issues acousto-optic when being more than setting value
Alarm, while power supply is cut off, and event is uploaded to by main website by communication module.In order to make the measurement of terminal temperature it is more accurate,
Reliably, it avoids the occurrence of wrong report, fail to report event, need to verify connection box of electric energy meter terminal temperature detection.
Summary of the invention
Goal of the invention: technical problem to be solved by the invention is to provide a kind of schools of connection box of electric energy meter terminal temperature detection
Experiment device, whether which can accurately test to connection box of electric energy meter terminal temperature detection, to make connecting terminal
Temperature measurement is more accurate, reliable.
In order to solve the above technical problems, the technical scheme adopted by the invention is as follows:
A kind of calibration equipment of connection box of electric energy meter terminal temperature detection, including controller, controller pass through wireless telecommunications mould
Block or cable are connect with electric energy meter, and electric energy meter is equipped with multiple connecting terminals, are equipped with metal contact in each connecting terminal, each
Temperature sensor I is additionally provided in connecting terminal, temperature detection calibration equipment further includes the terminal with controller by cable connection
, multiple binding posts are connected on terminal base, a binding post is correspondingly connected with a connecting terminal, and each binding post includes metal
Shell, be equipped with temperature sensor II and heat generating device in metal shell, and metal shell end is equipped with to be in contact with metal contact
Connect contact.
Wherein, the heat generating device is electric heating wire, and electric heating wire is wrapped on temperature sensor II.
Wherein, the controller includes microprocessor and the wireless communication module connecting with microprocessor, wire communication
Module, heating control module, temperature sensing circuit and power module etc., temperature sensor II pass through cable and temperature sensing circuit
Connection, heat generating device are connect by cable with heating control module.
It wherein, further include alarm, indicator light and display connected to the controller.
Wherein, the heating device in multiple binding posts is mutually indepedent.
The method of calibration of the temperature detection calibration equipment of above-mentioned connection box of electric energy meter terminal, the method for calibration pass through controller control
Heat generating device processed applies the temperature set to connection box of electric energy meter terminal, and controller reading power meters obtain itself under Current Temperatures
Then setting value is compared by the connecting terminal temperature data taken with the connecting terminal temperature value that electric energy meter itself obtains, from
And show whether electric energy meter internal wiring terminal temperature detection is accurate.
The method of calibration of above-mentioned connection box of electric energy meter terminal temperature detection calibration equipment, the method for calibration include following specific step
It is rapid:
Step 1, the binding post of terminal base is inserted into the connecting terminal of electric energy meter, the metal contact and wiring of connecting terminal
The connection contact of column, terminal base are connect by cable with controller, and controller passes through wired or wireless communication mode and electricity
It can table connection；
Step 2, the temperature value of each binding post is set by controller；
Step 3, it is powered to the heat generating device in binding post, heats binding post, controller is passed by the thermometric in binding post
Sensor II monitors the temperature of each binding post；When wiring column temperature reaches its preset value, heat generating device power-off；Work as wiring
When column temperature is lower than setting value, continue that heat generating device is made to be powered；Controller is allowed each by the energization of control heat generating device and power-off
Wiring column temperature is maintained in range of set value；
Step 4, after each wiring column temperature reaches setting value, controller passes through wired or wireless communication mode and electric energy
Table communication, the measured value of temperature in the connecting terminal that reading power meters are obtained by its temperature sensor I, by the measured temperature
It is compared with setting value, when comparison result exceeds allowable error range, controller is alerted, while comparison result being sent out
Electric energy meter is given to be modified；When comparison result is within the scope of allowable error, the verification of next temperature spot is carried out；
Step 5, step 2~4 are repeated, the verification of all temperature spots is completed.
Compared with prior art, technical solution of the present invention has the beneficial effect that
The calibration equipment of connection box of electric energy meter terminal temperature detection of the present invention is used exclusively for the inspection of connection box of electric energy meter terminal temperature
The inspection of survey, to judge whether the thermometric of the connecting terminal is accurate, apparatus of the present invention are set by applying to connecting terminal
The setting value temperature value actually measured with connection box of electric energy meter terminal, is then compared, to verify electric energy by good temperature
Whether the measured temperature of table connecting terminal is accurate.
Detailed description of the invention
Fig. 1 is the structure principle chart of temperature detection calibration equipment of the present invention；
Fig. 2 is the structure principle chart of binding post of the present invention；
Fig. 3 is the structure principle chart of controller.
Specific embodiment
Below in conjunction with attached drawing, technical scheme is described further, but the scope of protection of present invention is simultaneously
It is not limited to this.
As shown in Figures 1 to 3, the calibration equipment of connection box of electric energy meter terminal temperature detection of the present invention, including controller 2, control
Device 2 is connect by wireless communication module or cable with electric energy meter 7, and electric energy meter 7 is equipped with multiple connecting terminals 8, each connecting terminal 8
It is inside equipped with metal contact, temperature sensor I is additionally provided in each connecting terminal 8, temperature detection calibration equipment further includes and controls
Device 2 processed passes through the terminal base 1 that cable 9 connects, and is connected with multiple binding posts 4 on terminal base 1, a binding post 4 is correspondingly connected with one
A connecting terminal 8, each binding post 4 include metal shell 3, are equipped with temperature sensor II6 and heat generating device 5 in metal shell 3,
3 end of metal shell is equipped with the connection contact being in contact with metal contact, and heat generating device 5 is electric heating wire, electric heating wire winding
On temperature sensor II6.Multiple binding posts 4, the wiring of quantity and installation dimension and electric energy meter 7 are installed on terminal base 1
8 quantity of terminal is consistent with size.By cable connection, plug and play enhances the flexibility of device for controller 2 and terminal base 1,
It is easy to install and use simultaneously.
Controller 2 includes microprocessor and the wireless communication module connecting with microprocessor, wire communication module, heating
Control module, temperature sensing circuit and power module etc., temperature sensor II6 are connect by cable 9 with temperature sensing circuit, are sent out
Thermal is connect by cable 9 with heating control module, and the heating device in multiple binding posts 4 is mutually indepedent；Controller 2 also wraps
Include alarm, indicator light and display screen connected to the controller.
Before verification, the binding post 4 of terminal base 1 is inserted into the connecting terminal 8 of electric energy meter 7, terminal base 1 by cable 9 with
Controller 2 connects；Controller 2 is connect by wired or wireless communication mode with electric energy meter 7, is verified using temperature detection of the present invention
The method of calibration of device is as follows:
When verification, the temperature value of each binding post 4 is set by controller 2, each 4 temperature value of binding post can individually be set
It is set to different temperature；Duration can also be separately provided；It can also multiple temperature spots to each binding post 4 and time point difference
It is verified；
Then it is powered to the heat generating device 5 in binding post 4, heats binding post 4；Controller 2 passes through the temperature built in binding post 4
Sensor II6 is spent, the temperature of each binding post 4 is monitored；When 4 temperature of binding post reaches preset value, microprocessor passes through
Heating control module powers off heat generating device 5；When 4 temperature of binding post is lower than setting value, microprocessor passes through computer heating control mould
Block makes heat generating device 5 be powered；Controller 2 constantly controls heat generating device 5 and is powered and powers off, and each 4 temperature of binding post is allowed to keep
In range of set value.
When each 4 temperature of binding post reaches setting value and keeps after a certain period of time, controller 2 passes through wired or wireless communication
Mode is communicated with electric energy meter 7, and (temperature in connecting terminal 8 passes through temperature to the measured temperature in 7 connecting terminal 8 of reading power meters
The control chip of electric energy meter 7 is transferred to after degree sensor I acquisition, control chip and the microprocessor of electric energy meter 7 are communicated, will
The data are transferred to microprocessor), and be compared with the desired temperature of binding post 4, display of the comparison result in controller 2
Screen display.
When comparison result exceeds allowable error range, controller 2 is accused by indicator light, display and alarm
Alert, prompt.Check results are sent to electric energy meter 7 by controller 2 simultaneously, and electric energy meter 7 is allowed to be automatically corrected measured value.When than
When to result within the scope of allowable error, the control of controller 2 carries out the verification of next temperature spot, until completing all temperature spots
Verification.
Claims (7)
1. a kind of calibration equipment of connection box of electric energy meter terminal temperature detection, it is characterised in that: including controller, controller passes through nothing
Line communication module or cable are connect with electric energy meter, and electric energy meter is equipped with multiple connecting terminals, are equipped with metal in each connecting terminal
Contact, temperature sensor I is additionally provided in each connecting terminal, and temperature detection calibration equipment further includes passing through cable with controller to connect
The terminal base connect is connected with multiple binding posts on terminal base, and a binding post is correspondingly connected with a connecting terminal, each binding post
Including metal shell, it is equipped with temperature sensor II and heat generating device in metal shell, metal shell end is equipped with and metal contact
The connection contact being in contact.
2. the calibration equipment of connection box of electric energy meter terminal temperature detection according to claim 1, it is characterised in that: the fever
Device is electric heating wire, and electric heating wire is wrapped on temperature sensor II.
3. the calibration equipment of connection box of electric energy meter terminal temperature detection according to claim 2, it is characterised in that: the control
Device includes microprocessor and the wireless communication module connecting with microprocessor, wire communication module, heating control module, temperature
Detection circuit and power module etc., temperature sensor II are connect by cable with temperature sensing circuit, and heat generating device passes through cable
It is connect with heating control module.
4. the calibration equipment of connection box of electric energy meter terminal temperature detection according to claim 3, it is characterised in that: further include with
Alarm, indicator light and the display of controller connection.
5. the calibration equipment of connection box of electric energy meter terminal temperature detection according to claim 3, it is characterised in that: multiple wiring
Heating device in column is mutually indepedent.
6. the method for calibration of the calibration equipment of connection box of electric energy meter terminal temperature detection according to claim 1, feature exist
In the method for calibration controls heat generating device by controller and applies the temperature set to connection box of electric energy meter terminal, in current temperature
The connecting terminal temperature data that lower controller reading power meters itself obtain is spent, then obtains setting value and electric energy meter itself
Connecting terminal temperature value is compared, to show whether electric energy meter internal wiring terminal temperature detection is accurate.
7. the method for calibration of the calibration equipment of connection box of electric energy meter terminal temperature detection according to claim 6, feature exist
In the method for calibration comprises the following specific steps that:
Step 1, by the connecting terminal of the binding post of terminal base insertion electric energy meter, the metal contact of connecting terminal and binding post
Contact is connected, terminal base is connect by cable with controller, and controller passes through wired or wireless communication mode and electric energy meter
Connection；
Step 2, the temperature value of each binding post is set by controller；
Step 3, it is powered to the heat generating device in binding post, heats binding post, controller passes through the temperature transducer in binding post
II monitors the temperature of each binding post；When wiring column temperature reaches its preset value, heat generating device power-off；When wiring column temperature
When degree is lower than setting value, continue that heat generating device is made to be powered；Controller controls heat generating device energization by heating control module and breaks
Electricity allows each wiring column temperature to be maintained in range of set value；
Step 4, after each wiring column temperature reaches setting value, controller is logical by wired or wireless communication mode and electric energy meter
Letter, the measured value of temperature in the connecting terminal that reading power meters are obtained by its temperature sensor I, by the measured temperature with set
Definite value is compared, and when comparing result exceeds allowable error range, controller is alerted, while comparing result being sent to
Electric energy meter is modified；When check results are within the scope of allowable error, the verification of next temperature spot is carried out；
Step 5, step 2~4 are repeated, the verification of all temperature spots is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910602595.0A CN110207857A (en) | 2019-07-04 | 2019-07-04 | A kind of calibration equipment and its method of calibration of connection box of electric energy meter terminal temperature detection |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910602595.0A CN110207857A (en) | 2019-07-04 | 2019-07-04 | A kind of calibration equipment and its method of calibration of connection box of electric energy meter terminal temperature detection |
Publications (1)
| Publication Number | Publication Date |
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| CN110207857A true CN110207857A (en) | 2019-09-06 |
Family
ID=67796302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910602595.0A Pending CN110207857A (en) | 2019-07-04 | 2019-07-04 | A kind of calibration equipment and its method of calibration of connection box of electric energy meter terminal temperature detection |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110987239A (en) * | 2019-12-12 | 2020-04-10 | 浙江涵普电力科技有限公司 | Temperature measurement detection device for terminal base of electric energy meter |
| CN111609950A (en) * | 2020-06-22 | 2020-09-01 | 江阴长仪集团有限公司 | Device and method for checking temperature measuring function of wiring terminal of electric energy meter |
| CN111998972A (en) * | 2020-09-17 | 2020-11-27 | 南方电网科学研究院有限责任公司 | Terminal block temperature drastic change alarm function detection method, device, terminal and medium |
| CN112037489A (en) * | 2020-09-17 | 2020-12-04 | 南方电网科学研究院有限责任公司 | Method and device for detecting out-of-limit alarm function of terminal block temperature, terminal and medium |
| CN112229536A (en) * | 2020-06-02 | 2021-01-15 | 青岛鼎信通讯股份有限公司 | Method for measuring temperature of terminal block of electric energy meter |
| CN115327468A (en) * | 2022-08-03 | 2022-11-11 | 嵘顺仪器仪表(泗阳)有限公司 | Intelligent electric energy meter calibration equipment |
| CN117214805A (en) * | 2023-11-07 | 2023-12-12 | 南京飞腾电子科技有限公司 | Accurate temperature measuring device of electric energy meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110987239A (en) * | 2019-12-12 | 2020-04-10 | 浙江涵普电力科技有限公司 | Temperature measurement detection device for terminal base of electric energy meter |
| CN112229536A (en) * | 2020-06-02 | 2021-01-15 | 青岛鼎信通讯股份有限公司 | Method for measuring temperature of terminal block of electric energy meter |
| CN111609950A (en) * | 2020-06-22 | 2020-09-01 | 江阴长仪集团有限公司 | Device and method for checking temperature measuring function of wiring terminal of electric energy meter |
| CN111609950B (en) * | 2020-06-22 | 2022-04-01 | 江阴长仪集团有限公司 | Device and method for checking temperature measuring function of wiring terminal of electric energy meter |
| CN111998972A (en) * | 2020-09-17 | 2020-11-27 | 南方电网科学研究院有限责任公司 | Terminal block temperature drastic change alarm function detection method, device, terminal and medium |
| CN112037489A (en) * | 2020-09-17 | 2020-12-04 | 南方电网科学研究院有限责任公司 | Method and device for detecting out-of-limit alarm function of terminal block temperature, terminal and medium |
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| CN112037489B (en) * | 2020-09-17 | 2021-07-16 | 南方电网科学研究院有限责任公司 | Method and device for detecting out-of-limit alarm function of terminal block temperature, terminal and medium |
| CN115327468A (en) * | 2022-08-03 | 2022-11-11 | 嵘顺仪器仪表(泗阳)有限公司 | Intelligent electric energy meter calibration equipment |
| CN115327468B (en) * | 2022-08-03 | 2023-10-03 | 嵘顺仪器仪表(泗阳)有限公司 | Intelligent ammeter check-out set |
| CN117214805A (en) * | 2023-11-07 | 2023-12-12 | 南京飞腾电子科技有限公司 | Accurate temperature measuring device of electric energy meter |
| CN117214805B (en) * | 2023-11-07 | 2024-01-30 | 南京飞腾电子科技有限公司 | Accurate temperature measuring device of electric energy meter |
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