CN112731262A - Verification equipment for electric energy meter - Google Patents
Verification equipment for electric energy meter Download PDFInfo
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- CN112731262A CN112731262A CN202011457464.7A CN202011457464A CN112731262A CN 112731262 A CN112731262 A CN 112731262A CN 202011457464 A CN202011457464 A CN 202011457464A CN 112731262 A CN112731262 A CN 112731262A
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- energy meter
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- 238000012795 verification Methods 0.000 title claims abstract description 76
- 238000004891 communication Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000003556 assay Methods 0.000 claims 8
- 230000000712 assembly Effects 0.000 abstract description 2
- 238000000429 assembly Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007907 direct compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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Abstract
The invention discloses a verification device for an electric energy meter, which comprises a cabinet body, at least two electric energy meter fixing meter seats and at least two photoelectric head verification assemblies. The electric energy meter fixing seat is arranged on the side face of the cabinet body side by side, and the electric energy meter to be verified is placed on the electric energy meter fixing seat; the photoelectric head verification assembly comprises a photoelectric head, the photoelectric head verification assembly is arranged above the electric energy meter fixing gauge stand and close to the electric energy meter fixing gauge stand, and the photoelectric head extends downwards and faces towards the electric energy meter to be verified. According to the invention, the photoelectric head verification assembly is arranged above the electric energy meter fixing meter seat and is adjacent to the electric energy meter fixing meter seat, and the photoelectric head extends downwards and faces the electric energy meter to be verified, so that each photoelectric head can verify one electric energy meter, and the verification equipment can verify a plurality of electric energy meters at the same time, thereby improving the verification efficiency.
Description
Technical Field
The invention relates to a verification device, in particular to a verification device for an electric energy meter.
Background
Before the electric energy meter is put into use, various detections are needed, and most tasks of the electric energy meter, including accuracy requirement tests, electrical requirement tests, communication function tests, consistency tests, cost control tests and the like, are borne by verification equipment. The electric energy meter and the concentrator are tested, and a probe of the automatic patch cord device needs to be reliably contacted with a corresponding terminal of the electric energy meter or the concentrator, so that a current and voltage environment required by work is provided for the electric energy meter and the concentrator. It is clear that the automatic patch cord arrangement in the certification equipment determines the type of power meter and concentrator to which the certification equipment is adapted.
At present, most of verification of electric energy meters is performed on one electric energy meter through equipment, and the next electric energy meter to be verified is replaced after verification is completed for verification, so that verification process efficiency is low.
Disclosure of Invention
The invention aims to provide verification equipment for an electric energy meter, which aims to solve the problem that in the prior art, most of verification of the electric energy meter is performed on one electric energy meter through equipment, and the next electric energy meter to be verified is replaced after verification is completed, so that the verification process efficiency is low.
In order to solve the above problems, the present invention provides a certification equipment for an electric energy meter, the certification equipment comprising:
a cabinet body;
the electric energy meter fixing seats are arranged on the side face of the cabinet body side by side, and the electric energy meters to be verified are placed on the electric energy meter fixing seats;
the electric energy meter calibration device comprises at least two photoelectric head calibration components, wherein each photoelectric head calibration component comprises a photoelectric head, the photoelectric head calibration components are arranged above the electric energy meter fixing gauge stand and are adjacent to the electric energy meter fixing gauge stand, and the photoelectric heads extend downwards and face the electric energy meter to be calibrated.
As a further improvement of the invention, the electric energy meter to be detected comprises a multi-core modular electric energy meter and a common single-phase meter.
As a further improvement of the invention, the verification equipment further comprises an identification component and a signal needle replacement component for identifying the electric energy meter to be verified, wherein the identification component and the signal needle detection component are sequentially arranged on the side surface of the cabinet body and are positioned below the fixed meter seat of the electric energy meter; the identification component identifies that the electric energy meter to be verified is the common single-phase meter, and the signal pin replacing component replaces the signal pin of the common single-phase meter with a 75mm signal pin.
As a further improvement of the invention, the photoelectric head verification assembly further comprises a fixed cross beam and a fixing piece, the fixed cross beam is arranged on the side surface of the cabinet body and is positioned above the fixed meter seat of the electric energy meter, and the photoelectric head is connected with the fixed cross beam through the fixing piece.
As a further improvement of the present invention, the verification apparatus further includes a controller, a standard meter and at least two error displays, the controller is installed in the cabinet, the standard meter is installed on a side surface of the cabinet, the error displays are installed on a side surface of the cabinet and located below the electric energy meter fixing seats, the controller is electrically connected to the standard meter and the error displays respectively, the controller is configured to obtain a verification reading of each electric energy meter to be verified, compare the verification reading with the reading of the standard meter respectively, and display an error value obtained by the comparison on each error display respectively.
As a further improvement of the present invention, the verification apparatus further includes a reset switch and an emergency stop button, the controller is electrically connected to the reset switch, the emergency stop button and each of the photo-heads, the controller is further configured to receive a reset signal from the reset switch and reset the verification apparatus according to the reset signal, and receive an emergency stop signal from the emergency stop button and emergency stop the verification apparatus according to the emergency stop signal.
As a further improvement of the present invention, the verification device further includes a communication component, the communication component is installed in the cabinet body, the communication component is electrically connected to the controller, and the communication component is configured to acquire verification data and alarm information transmitted by the controller, and send the verification data and the alarm information to an external receiving end.
As a further improvement of the present invention, the verification apparatus further includes a clock reference source for calibrating time, and the clock reference source is installed in the cabinet body and electrically connected to the controller.
As a further improvement of the present invention, the verification apparatus further includes a power source for supplying power to the verification apparatus, and the power source is installed in the cabinet and electrically connected to the controller.
As a further improvement of the present invention, the power source includes a switch assembly for connecting or disconnecting the power source, and the switch assembly is installed on a side surface of the cabinet body and electrically connected to the power source and the controller, respectively.
According to the invention, the photoelectric head verification assembly is arranged above the electric energy meter fixing meter seat and is adjacent to the electric energy meter fixing meter seat, and the photoelectric head extends downwards and faces the electric energy meter to be verified, so that each photoelectric head can verify one electric energy meter, and the verification equipment can verify a plurality of electric energy meters at the same time, thereby improving the verification efficiency.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the verification apparatus for an electric energy meter according to the present invention.
FIG. 2 is a schematic diagram of the configuration of one embodiment of the verification apparatus for an electric energy meter according to the invention;
FIG. 3 is a schematic diagram of the configuration of one embodiment of the verification apparatus for electric energy meters of the present invention;
FIG. 4 is a schematic diagram of the configuration of one embodiment of the verification apparatus for an electric energy meter according to the invention;
fig. 5 is a schematic structural diagram of an embodiment of the verification apparatus for the electric energy meter according to the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 and 2 show an embodiment of the verification apparatus for electric energy meters according to the present invention, and referring to fig. 1, in the present embodiment, the verification apparatus includes a cabinet 1, at least two electric energy meter fixing bases 2, and at least two optical head verification assemblies 3.
Referring to fig. 2, the fixed meter seats 2 of the electric energy meters are arranged on the side surface of the cabinet 1 side by side, and the electric energy meters to be verified are placed on the fixed meter seats 2 of the electric energy meters; the photoelectric head verification assembly 3 comprises a photoelectric head 31, the photoelectric head verification assembly 3 is arranged above the electric energy meter fixing gauge stand 2 and close to the electric energy meter fixing gauge stand 2, and the photoelectric head 31 extends downwards and faces towards the electric energy meter to be verified.
Specifically, the photoelectric head verification assembly 3 further includes a fixing beam 32 and a fixing member 33, the fixing beam 32 is installed on the side surface of the cabinet 1 and located above the electric energy meter fixing gauge stand 2, and the photoelectric head 31 is connected with the fixing beam 32 through the fixing member 33.
This embodiment is through installing photoelectric head verification component 3 in the fixed gauge stand 2's of electric energy meter top and the fixed gauge stand 2 of neighbouring electric energy meter, and photoelectric head 31 downwardly extending and orientation are waited to examine and determine the electric energy meter for each photoelectric head 31 can examine and determine an electric energy meter, makes examination equipment can examine and determine a plurality of electric energy meters at the same time, thereby has promoted examination efficiency.
In order to enable the multi-core modular electric energy meter and the common single-phase meter to be simultaneously verified on the verification equipment, on the basis of the above embodiment, referring to fig. 3, in this embodiment, the electric energy meter to be verified includes the multi-core modular electric energy meter and the common single-phase meter.
Furthermore, the verification equipment also comprises an identification component 4 and a signal needle replacement component 5 which are used for identifying the electric energy meter to be verified, wherein the identification component 4 and the signal needle detection component are sequentially arranged on the side surface of the cabinet body 1 and are positioned below the electric energy meter fixing meter seat 2; the identification component 4 identifies that the electric energy meter to be detected is a common single-phase meter, and the signal needle replacing component 5 replaces the signal needle of the common single-phase meter with a 75mm signal needle.
Preferably, in order to simultaneously cooperate with the verification of the multi-core modular electric energy meter and the common single-phase meter, the photoelectric head 31 comprises a national grid standard socket and a south grid standard socket. Wherein, the national grid standard interface is a longitudinal double-hole interface, and the south grid standard interface is a transverse double-hole interface.
It should be noted that, there is no physical interface for the auxiliary signal part in the latest multi-core modular intelligent electric energy meter specification, which is a great difference. When a common electric energy meter is normally calibrated, the meter hanging part is shown in the following figure 1, the auxiliary port of the common electric energy meter can be connected by direct compression joint, and signals can be accurately transmitted. However, it is difficult to be compatible with the multi-core modular electric energy meter on this basis, because the auxiliary terminal of the multi-core modular electric energy meter is a solid body and has no signal port. If the multi-core modular electric energy meter is crimped in the same way, the signal thimble can be directly jacked to the module to lift the electric meter, so that the electric meter is damaged. Under the condition, the signal part of the meter hanging part adopts a sliding buckle design, and when the common electric meter is verified, the signal port can be accurately contacted by the upper-scratching buckle. When the multi-core modular electric energy meter is verified, the sliding buckle cannot be pushed to the solid part, so that the top of the electric energy meter is lifted to incline, the signal pin is pushed to be broken, and the like. Meanwhile, the signal thimble is modified from 78mm to 75mm, bad contact can not occur when the common electric meter is inspected, and the signal part can not be propped when the multi-core modular electric meter is inspected, so that the two conditions are compatible.
This embodiment is revised as 75mm from 78mm through with the signal thimble, and in order to cooperate multicore module electric energy meter and ordinary single-phase table to verify simultaneously, includes national grid standard interface and south net standard interface on the photoelectric head 31 for calibration equipment can verify multicore module electric energy meter and ordinary single-phase table simultaneously, and has reached fine compatible effect.
In order to verify the error of the electric energy meter, referring to fig. 4 on the basis of the above embodiment, in this embodiment, the verification apparatus further includes a controller 5, a standard meter 6 and at least two error displays 7, the controller 5 is installed in the cabinet 1, the standard meter 6 is installed on the side surface of the cabinet 1, the error displays 7 are installed on the side surface of the cabinet 1 and located below the electric energy meter fixing meter seat 2, the controller 5 is electrically connected to the standard meter 6 and the error displays 7, respectively, the controller 5 is configured to obtain a verification reading of each electric energy meter to be verified, compare the verification reading with the reading of the standard meter 6, and display the error values obtained by comparison on each error display 7, respectively.
Further, the verification equipment further comprises a clock reference source 8 for calibrating time, and the clock reference source 8 is installed in the cabinet 1 and electrically connected with the controller 5.
Further, the verification equipment further comprises a power source 9 for supplying power to the verification equipment, and the power source 9 is installed in the cabinet body 1 and electrically connected with the controller 5.
Further, the power source 9 includes a switch assembly 91 for connecting or disconnecting the power source, and the switch assembly 91 is installed on the side surface of the cabinet 1 and electrically connected to the power source 9 and the controller 5, respectively.
In the embodiment, the controller 5 is used for acquiring the calibration reading of each electric energy meter to be calibrated, the calibration reading is compared with the reading of the standard meter 6, the error values obtained through comparison are displayed on each error display 7, the error of each electric energy meter is calibrated accurately and displayed, and a user can conveniently and visually acquire the error condition of the electric energy meter.
In order to protect the service life of the verification equipment and avoid accidents in time, on the basis of the above embodiment, referring to fig. 5, in this embodiment, the verification equipment further includes a reset switch 10 and an emergency stop button 11, the controller 5 is electrically connected to the reset switch 10, the emergency stop button 11 and each of the photo-heads 31, the controller 5 is further configured to receive a reset signal from the reset switch 10 and reset the verification equipment according to the reset signal, and receive an emergency stop signal from the emergency stop button 11 and emergency stop the verification equipment according to the emergency stop signal.
Further, the verification equipment further comprises a communication component 12, the communication component 12 is installed in the cabinet body 1, the communication component 12 is electrically connected with the controller 5, and the communication component 12 is used for acquiring verification data and alarm information transmitted by the controller 5 and sending the verification data and the alarm information to an external receiving end.
This embodiment in time protects the calibration equipment through reset switch and scram button to acquire the verification data and the alarm information of controller transmission through communication assembly, and with verification data and alarm information send to outside receiving terminal, guarantee that the user can in time maintain the calibration equipment, guaranteed the life of calibration equipment.
The embodiments of the present invention have been described in detail, but the present invention is only exemplary and is not limited to the embodiments described above. It will be apparent to those skilled in the art that any equivalent modifications or substitutions can be made within the scope of the present invention, and thus, equivalent changes and modifications, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the scope of the present invention.
Claims (10)
1. An certification equipment for an electric energy meter, the certification equipment comprising:
a cabinet body;
the electric energy meter fixing seats are arranged on the side face of the cabinet body side by side, and the electric energy meters to be verified are placed on the electric energy meter fixing seats;
the electric energy meter calibration device comprises at least two photoelectric head calibration components, wherein each photoelectric head calibration component comprises a photoelectric head, the photoelectric head calibration components are arranged above the electric energy meter fixing gauge stand and are adjacent to the electric energy meter fixing gauge stand, and the photoelectric heads extend downwards and face the electric energy meter to be calibrated.
2. The assay apparatus as claimed in claim 1, wherein the electric energy meter to be assayed comprises a multi-core modular electric energy meter and a common single-phase meter.
3. The verification apparatus as claimed in claim 2, further comprising an identification component and a signal pin replacement component for identifying the electric energy meter to be verified, wherein the identification component and the signal pin detection component are sequentially mounted on the side surface of the cabinet and located below the electric energy meter fixing seat; the identification component identifies that the electric energy meter to be verified is the common single-phase meter, and the signal pin replacing component replaces the signal pin of the common single-phase meter with a 75mm signal pin.
4. The verification apparatus as claimed in claim 1, wherein the optical cell verification assembly further comprises a fixing beam and a fixing member, the fixing beam is mounted on a side surface of the cabinet and located above the electric energy meter fixing seat, and the optical cell is connected to the fixing beam through the fixing member.
5. The verification apparatus according to claim 1, further comprising a controller, a standard meter and at least two error displays, wherein the controller is installed in the cabinet, the standard meter is installed on the side surface of the cabinet, the error displays are installed on the side surface of the cabinet and located below the electric energy meter fixing meter seats, the controller is electrically connected with the standard meter and the error displays respectively, and the controller is configured to obtain verification readings of each electric energy meter to be verified, compare the verification readings with the readings of the standard meter respectively, and display error values obtained by comparison on each error display respectively.
6. The assay device as claimed in claim 5, further comprising a reset switch and an emergency stop button, wherein the controller is electrically connected to the reset switch, the emergency stop button and each of the photo-heads, respectively, and wherein the controller is further configured to receive a reset signal from the reset switch and reset the assay device according to the reset signal, and receive an emergency stop signal from the emergency stop button and emergency stop the assay device according to the emergency stop signal.
7. The verification apparatus according to claim 5, further comprising a communication component, wherein the communication component is installed in the cabinet body, the communication component is electrically connected to the controller, and the communication component is configured to obtain verification data and alarm information transmitted by the controller and send the verification data and the alarm information to an external receiving end.
8. The assay apparatus according to claim 5, further comprising a clock reference source for calibrating time, the clock reference source being mounted within the cabinet and electrically connected to the controller.
9. The assay device as claimed in claim 5, further comprising a power source for supplying power to the assay device, the power source being mounted in the cabinet and electrically connected to the controller.
10. The assay apparatus as claimed in claim 9, wherein the power source comprises a switch assembly for switching on or off a power supply, the switch assembly being mounted on a side of the cabinet and electrically connected to the power source and the controller, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011457464.7A CN112731262A (en) | 2020-12-11 | 2020-12-11 | Verification equipment for electric energy meter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011457464.7A CN112731262A (en) | 2020-12-11 | 2020-12-11 | Verification equipment for electric energy meter |
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| CN112731262A true CN112731262A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011457464.7A Pending CN112731262A (en) | 2020-12-11 | 2020-12-11 | Verification equipment for electric energy meter |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202563078U (en) * | 2012-05-24 | 2012-11-28 | 江西省电力科学研究院 | Electric energy meter impulse collector detecting device |
| CN202939303U (en) * | 2012-11-29 | 2013-05-15 | 郑州三晖电气股份有限公司 | Wire connecting and disconnecting mechanism for automated verification of electric energy meter |
| CN104749550A (en) * | 2015-04-21 | 2015-07-01 | 国家电网公司 | Single-phase multi-meter-position asynchronous calibrating device and calibrating method thereof |
| CN204740338U (en) * | 2015-06-15 | 2015-11-04 | 国网天津市电力公司 | Novel electric energy meter verification device |
| CN105203815A (en) * | 2015-09-14 | 2015-12-30 | 杭州承扬自动化科技有限公司 | Insertion meter support of multifunctional watt-hour meter |
| CN204964742U (en) * | 2015-09-16 | 2016-01-13 | 江西银河表计有限公司 | Guide tracked electric energy meter single -point error detection tool of DIN |
| CN105301553A (en) * | 2015-12-01 | 2016-02-03 | 国家电网公司 | Multipurpose single/three-phase electric energy meter detector |
| CN106199488A (en) * | 2016-06-28 | 2016-12-07 | 宁波三星电力发展有限公司 | The pressure resistant testing device of electric energy meter |
| CN106443567A (en) * | 2016-12-02 | 2017-02-22 | 国网安徽省电力公司电力科学研究院 | Real-load test system for electric energy meters |
| CN106940433A (en) * | 2017-03-23 | 2017-07-11 | 国网山东省电力公司电力科学研究院 | A kind of binary channels electric energy meter calibration streamline calibrating installation and method |
| CN111289943A (en) * | 2020-02-28 | 2020-06-16 | 深圳市科陆精密仪器有限公司 | Electric energy meter calibration method and system |
-
2020
- 2020-12-11 CN CN202011457464.7A patent/CN112731262A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202563078U (en) * | 2012-05-24 | 2012-11-28 | 江西省电力科学研究院 | Electric energy meter impulse collector detecting device |
| CN202939303U (en) * | 2012-11-29 | 2013-05-15 | 郑州三晖电气股份有限公司 | Wire connecting and disconnecting mechanism for automated verification of electric energy meter |
| CN104749550A (en) * | 2015-04-21 | 2015-07-01 | 国家电网公司 | Single-phase multi-meter-position asynchronous calibrating device and calibrating method thereof |
| CN204740338U (en) * | 2015-06-15 | 2015-11-04 | 国网天津市电力公司 | Novel electric energy meter verification device |
| CN105203815A (en) * | 2015-09-14 | 2015-12-30 | 杭州承扬自动化科技有限公司 | Insertion meter support of multifunctional watt-hour meter |
| CN204964742U (en) * | 2015-09-16 | 2016-01-13 | 江西银河表计有限公司 | Guide tracked electric energy meter single -point error detection tool of DIN |
| CN105301553A (en) * | 2015-12-01 | 2016-02-03 | 国家电网公司 | Multipurpose single/three-phase electric energy meter detector |
| CN106199488A (en) * | 2016-06-28 | 2016-12-07 | 宁波三星电力发展有限公司 | The pressure resistant testing device of electric energy meter |
| CN106443567A (en) * | 2016-12-02 | 2017-02-22 | 国网安徽省电力公司电力科学研究院 | Real-load test system for electric energy meters |
| CN106940433A (en) * | 2017-03-23 | 2017-07-11 | 国网山东省电力公司电力科学研究院 | A kind of binary channels electric energy meter calibration streamline calibrating installation and method |
| CN111289943A (en) * | 2020-02-28 | 2020-06-16 | 深圳市科陆精密仪器有限公司 | Electric energy meter calibration method and system |
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