CN104820202A - Electric energy meter testing device - Google Patents

Electric energy meter testing device Download PDF

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Publication number
CN104820202A
CN104820202A CN201510291434.6A CN201510291434A CN104820202A CN 104820202 A CN104820202 A CN 104820202A CN 201510291434 A CN201510291434 A CN 201510291434A CN 104820202 A CN104820202 A CN 104820202A
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China
Prior art keywords
inching button
terminals
pressure regulator
button
contact
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CN201510291434.6A
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Chinese (zh)
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CN104820202B (en
Inventor
李伟
赛宁
薛莲
孟平
王海涛
邢晓军
张晓明
孔宪柏
杨静
姜英君
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State Grid Corp of China SGCC
Weihai Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Weihai Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Weihai Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510291434.6A priority Critical patent/CN104820202B/en
Publication of CN104820202A publication Critical patent/CN104820202A/en
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Publication of CN104820202B publication Critical patent/CN104820202B/en
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Abstract

The invention provides an electric energy meter testing device which comprises a cabinet body. The lower part of the cabinet body is vertical with ground. An included angle between the middle part of the cabinet body and the lower part of the cabinet body is 120-140 DEG. The upper part and the middle part of the cabinet body form an L-shaped member. The side surface of the lower part of the cabinet body is also provided with a power plug which is used for plugging with an external 380V power supply. The middle part of the cabinet body is provided with a drawer. The front surface of the upper part of the cabinet body is provided with the components of a pillar which is used for hanging a to-be-tested electric energy meter, a first inching button, a second inching button, a third inching button, a fourth inching button, a fifth inching button, a white-light indicating lamp, a first red-light indicating lamp, a second red-light indicating lamp, a voltage display device and a liftable cover plate. The cabinet body is also internally provided with an electrical unit. The first inching button, the second inching button, the third inching button, the fourth inching button, the fifth inching button, the white-light indicating lamp, the first red-light indicating lamp, the second red-light indicating lamp and the voltage display device are connected with the electrical unit. The electric energy meter testing device has advantages of simple structure and high testing effect.

Description

Detection device of electric energy meter
Technical field
The present invention relates to pick-up unit field, particularly relate to the detection device of electric energy meter that a kind of structure is simple, Detection results is good.
Background technology
Electric energy meter is the how many measurement instrument of electric power enterprise measuring power user power utilization, ensures the accurate-metering of electric energy meter, is in order to being responsible for electric energy meter user, also will be directly connected to the economic benefit of associate power enterprise.Along with the continuous fast development of China's economy, the living standard of people obtains large increase, also more and more heavier to the demand of electric power.User is before new electric energy meter uses or after the use of old electric energy meter, all will detect it or reclaim, conventional detection devices result of use be poor, and the accuracy of testing result is not high.
Summary of the invention
In order to overcome the deficiencies in the prior art, the present invention proposes the detection device of electric energy meter that a kind of structure is simple, Detection results is good.
To achieve these goals, the present invention proposes a kind of detection device of electric energy meter, comprise cabinet, the bottom of described cabinet is perpendicular to the ground, and the middle part of described cabinet and the bottom of described cabinet are 120 ~ 140 degree of angles, and the top of described cabinet and middle part are in " L " font, the side of wherein said cabinet bottom is also provided with the attaching plug for the outside 380V power supply of grafting, the middle part of described cabinet is provided with drawer, the cover plate that the front surface on described cabinet top is provided with pillar for mounting electric energy meter to be measured, the first inching button, the second inching button, thirdly dynamic button, the 4th inching button, the 5th inching button, white indicating light, the first red led, the second red led, voltage display and can starts, described cabinet inside is also provided with electric unit, and described first inching button, the second inching button, thirdly dynamic button, the 4th inching button, the 5th inching button, white indicating light, the first red led, the second red led and voltage display are all connected with described electric unit, described electric unit comprises fuse, isolating switch, pressure regulator, ripple resistor, first contactor and the second contactor, wherein said ripple resistor comprises three ripple resistance, the A that described isolating switch is suitable for reading, B, C tri-interfaces and zero line interface are connected to described attaching plug, the A of described isolating switch end opening, B, C three-phase is connected with the input end of described pressure regulator, and the zero line interface of described isolating switch end opening is connected to the zero line terminals of described pressure regulator, the A of the output terminal of described pressure regulator, B, C three-phase is connected to one end of described second contactor main contacts respectively, and the other end of described second contactor main contacts draws the 4th terminals respectively, and the 5th terminals and the 6th terminals, from the A phase of described isolating switch end opening, B phase, C phase draws the first ripple resistance respectively, second ripple resistance, 3rd ripple resistance is connected to one end of described first contactor main contacts, and the other end of described first contactor main contacts draws the first terminals respectively, second terminals and the 3rd terminals, draw the 7th terminals respectively from the zero line terminals of described pressure regulator, 8th terminals, 9th terminals and the tenth terminals, above-mentioned ten terminals are arranged in the drawer in the middle part of described cabinet, and described pressure regulator is also connected with described voltage display, also draw wire from described isolating switch end opening A phase to be connected with described fuse, be connected to the zero line terminals of described pressure regulator through described white indicating light from described fuse extraction wire, also the first contact and the second contact that wire is connected to described first inching button is drawn respectively from described fuse, first contact of described first inching button is connected to the second port of described pressure regulator through the first contact of described second inching button, second contact of the second contact second inching button of described first inching button is connected to the first port of described pressure regulator, 3rd port of described pressure regulator is connected to the zero line terminals of described pressure regulator, from described fuse also draw wire be connected to described in one end of thirdly dynamic button, the other end of described thirdly dynamic button is divided into two-way, and the first via is connected to the 4th inching button in parallel and the first contactor auxiliary contact, above-mentioned parallel circuit draws the zero line terminals that wire is connected to described pressure regulator after being in series with the first contactor coil in parallel and the first red led, second tunnel first contactor auxiliary contact are connected to the 5th inching button in parallel and the second contactor auxiliary contact, above-mentioned parallel circuit draws the zero line terminals that wire is connected to described pressure regulator after being in series with the second contactor coil in parallel and the second red led.
Preferably, the bottom of described cabinet bottom is provided with four castors.
Preferably, the front surface on described cabinet top is also provided with temperature humidity display.
Preferably, described pressure regulator is autocoupling type pressure regulator.
Preferably, the original state of the first contact of described first inching button and the second contact of the second inching button is off state, the original state of the second contact of described first inching button and the first contact of the second inching button is closure state, the original state of described thirdly dynamic button is closure state, the original state of described 4th inching button is off state, and the original state of described 5th inching button is off state.
The beneficial effect of the program of the present invention is the wiring of above-mentioned detection device of electric energy meter collection, is detected on one, and structure is simple, Detection results good, and can move.
Accompanying drawing explanation
Fig. 1 shows the Facad structure schematic diagram of detection device of electric energy meter involved in the present invention.
Fig. 2 shows M-M diagrammatic cross-section in Fig. 1.
Fig. 3 shows the electronic schematic diagram of detection device of electric energy meter involved in the present invention.
Reference numeral: 1-cabinet, the front surface on 2-cabinet top, 3-drawer, the bottom of 4-cabinet, 5-castor, 6-pillar, 7-temperature humidity display, 8(SB1) the-the first inching button, 9(SB2) the-the second inching button, 10(SB3)-thirdly dynamic button, 11(SB4)-four inching button, 12(SB5)-five inching button, 13(HW)-white indicating light, 14(HR1) the-the first red led, 15(HR2) the-the second red led, the cover plate that 16-can start, the top of 17-cabinet, the middle part of 18-cabinet, 19(QF)-isolating switch, 20-voltage display, 21-ripple resistor, 22-pressure regulator, 23-attaching plug, FU-fuse, KM1-first contactor coil, KM1-1-first contactor main contacts, KM1-2-first contactor auxiliary contact, KM2-second contactor coil, KM2-1-second contactor main contacts, KM2-2-second contactor auxiliary contact, first contact of SB1-1-first inching button, second contact of SB1-2-first inching button, first contact of SB2-1-second inching button, second contact of SB2-2-second inching button, R1-first ripple resistance, R2-second ripple resistance, R3-the 3rd ripple resistance, A1-first terminals, B1-second terminals, C1-the 3rd terminals, L1-the 4th terminals, L2-the 5th terminals, L3-the 6th terminals, N1-the 7th terminals, N2-the 8th terminals, N3-the 9th terminals, N4-the tenth terminals, the zero line terminals of N5-pressure regulator, D1-first port, D2-second port, D3-the 3rd port, L11-isolating switch end opening A phase, L21-isolating switch end opening B phase, L31-isolating switch end opening C phase, A-three-phase electricity A interfaces, B-three-phase electricity B interfaces, C-three-phase electricity C interfaces, N-zero line interface, IN-pressure regulator input end, OUT-output voltage regulator.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
As shown in Figure 1-2, detection device of electric energy meter involved in the present invention comprises cabinet 1, the bottom 4 of described cabinet 1 is perpendicular to the ground, and the top 17 of described cabinet 1 is with middle part 18 in " L " font, and the middle part 18 of described cabinet 1 and the bottom 4 of described cabinet 1 are in 120 ~ 140 degree of angles, the bottom of wherein said cabinet 1 bottom 4 is provided with four castors 5, and the side of described cabinet 1 bottom 4 is also provided with attaching plug 23, for the outside 380V power supply of grafting, the middle part 18 of described cabinet 1 is provided with drawer 3, for placing the terminals be connected with electric energy meter to be measured, the front surface 2 on described cabinet 1 top 17 is provided with the pillar 6 for mounting electric energy meter to be measured, temperature humidity display 7, first inching button 8, second inching button 9, thirdly dynamic button 10, 4th inching button 11, 5th inching button 12, white indicating light 13, first red led 14, second red led 15, voltage display 20 and the cover plate 16 that can start, described temperature humidity display 7 is for showing the humiture of described cabinet 1 inside in real time, described inching button is used for detecting electric energy meter to be measured, described pilot lamp is used to indicate the ruuning situation of described cabinet 1 electric elements inside, described voltage display 20 is for showing the voltage of described pressure regulator 22, the described cover plate 16 started is for the protection of the isolating switch 19 of inside being arranged at described cabinet 1 top 17.
Cabinet 1 inside of detection device of electric energy meter involved in the present invention is also provided with electric unit, described electric unit comprises fuse FU, circuit breaker Q F, the first contactor, the second contactor, ripple resistor 21 and pressure regulator 22, described pressure regulator 22 is autocoupling type pressure regulator, and described ripple resistor 21 comprises three ripple resistance.The electronic schematic diagram of described detection device of electric energy meter as shown in Figure 3, the A that described circuit breaker Q F is suitable for reading, B, C tri-interfaces and zero line interface N are for connecting described attaching plug 23, the A of described circuit breaker Q F end opening, B, C three-phase is connected with the input end IN of described pressure regulator 22, the zero line interface N of described circuit breaker Q F end opening is connected to the zero line terminals N5 of described pressure regulator 22, the A of the output terminal OUT of described pressure regulator 22, B, C three-phase is connected to one end of described second contactor main contacts KM2-1 respectively, the other end of described second contactor main contacts KM2-1 draws the 4th terminals L1 respectively, 5th terminals L2 and the 6th terminals L3, from described circuit breaker Q F end opening A phase L11, B phase L21, C phase L31 draws the first ripple resistance R1 respectively, second ripple resistance R2, 3rd ripple resistance R3 is connected to one end of described first contactor main contacts KM1-1, the other end of described first contactor main contacts KM1-1 draws the first terminals A1 respectively, second terminals B1 and the 3rd terminals C1, the 7th terminals N1 is drawn respectively from the zero line terminals N5 of described pressure regulator 22, 8th terminals N2, 9th terminals N3 and the tenth terminals N4, above-mentioned ten terminals are arranged in the drawer 3 of in the middle part of described cabinet 1 18, for being connected with ten connection terminals of electric energy meter to be measured, described pressure regulator 22 is also connected with the voltage display 20 of described cabinet upper front surface 2, also draw wire from described circuit breaker Q F end opening A phase L11 to be connected with described fuse FU, be connected to the zero line terminals N5 of described pressure regulator 22 through described white indicating light HW from described fuse FU extraction wire, also the first contact SB1-1 and the second contact SB1-2 that wire is connected to described first inching button SB1 is drawn respectively from described fuse FU, the first contact SB1-1 of described first inching button SB1 is connected to the second port D2 of described pressure regulator 22 through the first contact SB2-1 of described second inching button SB2, the second contact SB1-2 of described first inching button SB1 is connected to the first port D1 of described pressure regulator 22 through the second contact SB2-2 of the second inching button SB2, 3rd port D3 of described pressure regulator 22 is connected to the zero line terminals N5 of described pressure regulator 22, from described fuse FU also draw wire be connected to described in one end of thirdly dynamic button SB3, the other end of described thirdly dynamic button SB3 is divided into two-way, and the first via is connected to the 4th inching button SB4 in parallel and the first contactor auxiliary contact KM1-2, above-mentioned parallel circuit draws the zero line terminals N5 that wire is connected to described pressure regulator 22 after being in series with the first contactor coil KM1 in parallel and the first red led HR1, second tunnel first contactor auxiliary contact KM1-2 is connected to the 5th inching button SB5 in parallel and the second contactor auxiliary contact KM2-2, above-mentioned parallel circuit draws the zero line terminals N5 that wire is connected to described pressure regulator 22 after being in series with the second contactor coil KM2 in parallel and the second red led HR2.
The original state of the first contact SB1-1 of the first inching button involved in the present invention and the second contact SB2-2 of the second inching button is off state, and the original state of the second contact SB1-2 of the first inching button and the first contact SB2-1 of the second inching button is closure state; Thirdly dynamic button 10(SB3 involved in the present invention) original state be closure state, the 4th inching button 11(SB4) original state be off state, the 5th inching button 12(SB5) original state be off state.
The principle of work of detection device of electric energy meter involved in the present invention is as follows: by external for described attaching plug 23 380V power supply, closed described isolating switch 19(QF), now described white indicating light 13(HW) light, represent external power supply, staff is by triggering the first inching button 8(SB1 in described cabinet upper front surface 2) or the second inching button 9(SB2) adjust the voltage of described pressure regulator 22, and by the result of described voltage display 20 real time inspection adjustment, until by the Voltage Cortrol of described pressure regulator 22 to required voltage time, unclamp the first inching button 8(SB1) or the second inching button 9(SB2), electric energy meter to be measured is articulated on described pillar 6, and ten of electric energy meter to be measured connection terminals are connected with ten terminals be positioned in described drawer 3, crawl triggers described 4th inching button 11(SB4 afterwards), described first contactor coil KM1 obtains electric adhesive, first contactor main contacts KM1-1 and the first contactor auxiliary contact KM1-2 is all closed, now described first red led 14(HR1) light, represent that the current signal of electric energy meter to be measured provides, crawl triggers described 5th inching button 12(SB5 afterwards), described second contactor coil KM2 obtains electric adhesive, second contactor main contacts KM2-1 and the second contactor auxiliary contact KM2-2 is all closed, now described second red led 15(HR2) light, represent that the voltage signal of electric energy meter to be measured provides, now judge whether described electric energy meter to be measured can normally work according to the change of the correlation parameter of electric energy meter to be measured, thirdly button 10(SB3 is moved described in crawl triggering afterwards) make the first contactor coil KM1 and the equal dead electricity of the second contactor coil KM2, first contactor main contacts KM1-1, the first contactor auxiliary contact KM1-2, the second contactor main contacts KM2-1 and the second contactor auxiliary contact KM2-2 are all disconnected, now just replaceable electric energy meter to be measured, repeats the detection that above-mentioned steps carries out multiple electric energy meter.
Detection device of electric energy meter collection wiring involved in the present invention, be detected on one, structure is simple, Detection results good, and can move.

Claims (5)

1. a detection device of electric energy meter, is characterized in that: comprise cabinet, and the bottom of described cabinet is perpendicular to the ground, and the middle part of described cabinet and the bottom of described cabinet are 120 ~ 140 degree of angles, and the top of described cabinet and middle part are in " L " font, the side of wherein said cabinet bottom is also provided with the attaching plug for the outside 380V power supply of grafting, the middle part of described cabinet is provided with drawer, the cover plate that the front surface on described cabinet top is provided with pillar for mounting electric energy meter to be measured, the first inching button, the second inching button, thirdly dynamic button, the 4th inching button, the 5th inching button, white indicating light, the first red led, the second red led, voltage display and can starts, described cabinet inside is also provided with electric unit, and described first inching button, the second inching button, thirdly dynamic button, the 4th inching button, the 5th inching button, white indicating light, the first red led, the second red led and voltage display are all connected with described electric unit, described electric unit comprises fuse, isolating switch, pressure regulator, ripple resistor, first contactor and the second contactor, wherein said ripple resistor comprises three ripple resistance, the A that described isolating switch is suitable for reading, B, C tri-interfaces and zero line interface are connected to described attaching plug, the A of described isolating switch end opening, B, C three-phase is connected with the input end of described pressure regulator, and the zero line interface of described isolating switch end opening is connected to the zero line terminals of described pressure regulator, the A of the output terminal of described pressure regulator, B, C three-phase is connected to one end of described second contactor main contacts respectively, and the other end of described second contactor main contacts draws the 4th terminals respectively, and the 5th terminals and the 6th terminals, from the A phase of described isolating switch end opening, B phase, C phase draws the first ripple resistance respectively, second ripple resistance, 3rd ripple resistance is connected to one end of described first contactor main contacts, and the other end of described first contactor main contacts draws the first terminals respectively, second terminals and the 3rd terminals, draw the 7th terminals respectively from the zero line terminals of described pressure regulator, 8th terminals, 9th terminals and the tenth terminals, above-mentioned ten terminals are arranged in the drawer in the middle part of described cabinet, and described pressure regulator is also connected with described voltage display, also draw wire from described isolating switch end opening A phase to be connected with described fuse, be connected to the zero line terminals of described pressure regulator through described white indicating light from described fuse extraction wire, also the first contact and the second contact that wire is connected to described first inching button is drawn respectively from described fuse, first contact of described first inching button is connected to the second port of described pressure regulator through the first contact of described second inching button, second contact of the second contact second inching button of described first inching button is connected to the first port of described pressure regulator, 3rd port of described pressure regulator is connected to the zero line terminals of described pressure regulator, from described fuse also draw wire be connected to described in one end of thirdly dynamic button, the other end of described thirdly dynamic button is divided into two-way, and the first via is connected to the 4th inching button in parallel and the first contactor auxiliary contact, above-mentioned parallel circuit draws the zero line terminals that wire is connected to described pressure regulator after being in series with the first contactor coil in parallel and the first red led, second tunnel first contactor auxiliary contact are connected to the 5th inching button in parallel and the second contactor auxiliary contact, above-mentioned parallel circuit draws the zero line terminals that wire is connected to described pressure regulator after being in series with the second contactor coil in parallel and the second red led.
2. detection device of electric energy meter according to claim 1, is characterized in that: the bottom of described cabinet bottom is provided with four castors.
3. detection device of electric energy meter according to claim 1, is characterized in that: the front surface on described cabinet top is also provided with temperature humidity display.
4. detection device of electric energy meter according to claim 1, is characterized in that: described pressure regulator is autocoupling type pressure regulator.
5. detection device of electric energy meter according to claim 1, it is characterized in that: the original state of the first contact of described first inching button and the second contact of the second inching button is off state, the original state of the second contact of described first inching button and the first contact of the second inching button is closure state, the original state of described thirdly dynamic button is closure state, the original state of described 4th inching button is off state, and the original state of described 5th inching button is off state.
CN201510291434.6A 2015-06-01 2015-06-01 Detection device of electric energy meter Active CN104820202B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN104820202B CN104820202B (en) 2017-11-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106291440A (en) * 2016-07-27 2017-01-04 国网重庆市电力公司电力科学研究院 A kind of electric energy meter environmental suitability evaluating platform
CN106291441A (en) * 2016-07-27 2017-01-04 国网重庆市电力公司电力科学研究院 A kind of test method examining electric energy meter blocking factor to affect

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CN201852933U (en) * 2010-12-01 2011-06-01 飞跃联合科技集团有限公司 Calibrating device for single-phase electric energy meter
US20110184674A1 (en) * 2007-03-27 2011-07-28 Electro Industries/Gauge Tech Parametric multi-cycle averaging in an intelligent electronic device
CN203673061U (en) * 2013-12-31 2014-06-25 国家电网公司 Onsite detecting system for electric energy meter
CN204649956U (en) * 2015-06-01 2015-09-16 国家电网公司 Detection device of electric energy meter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110184674A1 (en) * 2007-03-27 2011-07-28 Electro Industries/Gauge Tech Parametric multi-cycle averaging in an intelligent electronic device
CN201852933U (en) * 2010-12-01 2011-06-01 飞跃联合科技集团有限公司 Calibrating device for single-phase electric energy meter
CN203673061U (en) * 2013-12-31 2014-06-25 国家电网公司 Onsite detecting system for electric energy meter
CN204649956U (en) * 2015-06-01 2015-09-16 国家电网公司 Detection device of electric energy meter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106291440A (en) * 2016-07-27 2017-01-04 国网重庆市电力公司电力科学研究院 A kind of electric energy meter environmental suitability evaluating platform
CN106291441A (en) * 2016-07-27 2017-01-04 国网重庆市电力公司电力科学研究院 A kind of test method examining electric energy meter blocking factor to affect

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