CN106842096B - Auxiliary wiring device for batch verification of high-voltage current transformers - Google Patents
Auxiliary wiring device for batch verification of high-voltage current transformers Download PDFInfo
- Publication number
- CN106842096B CN106842096B CN201710046361.3A CN201710046361A CN106842096B CN 106842096 B CN106842096 B CN 106842096B CN 201710046361 A CN201710046361 A CN 201710046361A CN 106842096 B CN106842096 B CN 106842096B
- Authority
- CN
- China
- Prior art keywords
- sliding
- rack
- voltage current
- verification
- transformers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
Abstract
The invention relates to an auxiliary wiring device for batch verification of high-voltage current transformers, which comprises a conveying belt and a rack, wherein the conveying belt is arranged on the rack; the surface of the conveying belt is provided with a plurality of grooves; the top of the rack is provided with a voltage rising and dropping plate in a sliding way, a plurality of metal pressing blocks are arranged on the bottom surface of the voltage rising and dropping plate at intervals, the metal pressing blocks are arranged corresponding to bosses at the top ends of the transformers, the metal pressing blocks are electrically connected with the bosses in a one-to-one correspondence manner after the voltage rising and dropping plate falls, and wires are connected among the metal pressing blocks so that the transformers are connected to two ends of a power supply for detection in series; a plurality of telescopic elastic thimbles are mounted on two side portions of the rack, and each elastic thimble is electrically connected with a detection input terminal of the verification equipment through a secondary cable. The wiring device can simultaneously carry out primary side and secondary side wiring on a plurality of mutual inductors, improves wiring efficiency and reduces wiring difficulty, has simple structure and convenient operation and control, greatly improves verification operation efficiency and reduces labor intensity.
Description
Technical Field
The invention relates to the field of high-voltage current transformer verification operation, in particular to an auxiliary wiring device for batch verification of high-voltage current transformers.
Background
The high-voltage current transformer is used for converting large current into standard small current in proportion so as to realize standardization and miniaturization of measuring instruments, protective equipment and automatic control equipment, and the transformer can also be used for isolating a high-voltage system so as to ensure personal and equipment safety. The stability and accuracy grade of the high-voltage current transformer directly influence the measurement precision and accuracy of the measuring instrument. Therefore, the high-voltage current transformer needs to be strictly calibrated before use, and various automatic transformer calibrating devices can be used for calibrating a single high-voltage current transformer at present.
For a high-voltage current transformer, the specific structure generally includes a transformer body, a mounting base disposed at the bottom of the transformer body, an induction coil disposed inside the transformer body, a primary side terminal disposed at the top of the transformer body, and a secondary side terminal disposed on the sidewall of the bottom of the transformer body. The primary side wiring terminals are two bosses, bolt holes are formed in the bosses, and the secondary side wiring terminals are four wiring terminals. For the primary side wiring, generally, the end of the primary side cable is fixed on the boss by a bolt to electrically connect the cable with the primary side terminal, and for the secondary side wiring, the head of the secondary cable is directly pressed on the terminal or a wire clamp is connected to the end of the secondary cable, and then the wire clamp is clamped on the terminal, so that the secondary side of the transformer is connected with the verification equipment.
The metering devices in the field of power supply are multiple, the usage amount of the mutual inductor is large, verification operation needs to be carried out in batches, wiring operation in batch verification is completed one by operating staff and verifying operation, wiring efficiency is low, and working strength is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing a high-voltage current transformer verification wiring device which can perform semi-automatic wiring on the primary side and the secondary side of a plurality of high-voltage current transformers simultaneously so as to automatically and sequentially verify the plurality of high-voltage current transformers.
In order to solve the technical problem, the auxiliary wiring device for batch verification of the high-voltage current transformers is structurally characterized by comprising a conveying belt and a rack arranged in the middle of the conveying belt in a spanning mode; the conveying belt is driven by a motor and is transversely arranged, and a plurality of grooves which are matched with the bases of the mutual inductors are respectively arranged on the surface of the conveying belt at intervals at positions close to two sides; the top of the frame is slidably provided with a lifting pressure plate driven by a lifting driving mechanism, a plurality of metal pressing blocks are arranged on the bottom surface of the lifting pressure plate at intervals, the metal pressing blocks are arranged corresponding to bosses at the top ends of the transformers, the metal pressing blocks are electrically connected with the bosses in a one-to-one correspondence manner after the lifting pressure plate falls, and wires are connected among the metal pressing blocks so that the transformers are connected to two ends of a power supply for detection in series; and a plurality of telescopic elastic thimbles are arranged on the two side parts of the frame at positions corresponding to the secondary side wiring terminals of the mutual inductor, and each elastic thimble is electrically connected with the detection input terminal of the detection equipment through a secondary cable.
By adopting the structure, the conveyor belt is divided into a front section, a middle section and a rear section, the front section is a loading area, the middle section is a working area, the rear section is a unloading area, the mutual inductors are divided into two rows at the front section of the conveyor belt and are respectively placed at two side parts of the conveyor belt, the positions of the mutual inductors are positioned by utilizing the grooves on the conveyor belt, and after the mutual inductors are placed, the secondary side connecting terminals of the two rows of the mutual inductors are all arranged outwards; starting the conveyor belt to convey the mutual inductor to the lower part of the rack and stopping the motor, wherein the stop position of the conveyor belt enables the secondary side wiring terminals of the mutual inductor to correspond to the elastic thimbles one by one, and the position positioning of the mutual inductors on the conveyor belt is completed; for primary side wiring of each transformer, a voltage rising and dropping plate is arranged on the top, and by means of a metal pressing block and a wire on the bottom surface of the pressing plate, when the voltage rising and dropping plate is pressed down, the metal pressing block is in contact with and electrically connected with a primary side wiring terminal (namely a boss) on the top end of the transformer, and the transformers are sequentially connected in series and connected to two ends of a primary side detection power supply by the wire; for the secondary side wiring of each mutual inductor, elastic thimbles are arranged on two sides of the bottom of the rack, before the mutual inductor is in place, the elastic thimbles retract, after the mutual inductor is positioned, the elastic thimbles pop out and are in contact with and electrically connected with secondary side wiring terminals at corresponding positions, the elastic thimbles are connected with verification equipment in advance, the wiring of each mutual inductor is completely finished, and the verification operation can be directly carried out. By the wiring device, primary side and secondary side wiring of the transformers can be completed simultaneously, wiring operation is simple, efficiency is high, and labor intensity is low.
The conveyer belt is arranged on a plurality of conveyer belt rollers arranged side by side, wherein the conveyer belt roller at one end is connected with the power output end of the motor through a power transmission mechanism, the conveyer belt roller at the other end is a tension roller, and the rest conveyer belt rollers are supporting rollers. Because the conveyer belt is generally the flexible band, in order to guarantee its stability of carrying, so set up a plurality of backing rolls to utilize conventional tight structure that rises, further guarantee the stability and the reliability of carrying.
A position sensor is installed on the frame, and the signal output end of the position sensor is electrically connected with a control circuit of the motor. The position sensor is used for automatically detecting the in-place information of the mutual inductor and controlling the action of the motor through the in-place information, so that the positioning accuracy of the mutual inductor is ensured, and the accuracy of the wiring of the primary side and the secondary side, particularly the secondary side, is facilitated.
The lifting and lowering plate is connected to the top of the frame in a sliding mode through a positioning rod, the lifting and lowering driving mechanism is an oil cylinder or an air cylinder or an electric push rod which is installed at the top of the frame, and a control box used for controlling the oil cylinder or the air cylinder or the electric push rod is installed at the top end of the frame. The lifting driving mechanism can adopt three driving structures, and the lifting state of the lifting pressure plate is controlled by the control box.
First sliding grooves are respectively formed in the upper portions of the two side portions of the channel, and the bottom end of the elastic ejector pin is connected with a first sliding block in sliding fit with the first sliding grooves. Because the locating position of conveyer belt probably takes place the skew, simultaneously, the quantity and the interval of the secondary side binding post of different model mutual-inductors are also different, consequently, the elasticity thimble adopts this kind of slidable mounting formula's structure, can adjust the interval between the elasticity thimble in a flexible way to and the corresponding position of elasticity thimble and secondary side binding post, it is more nimble convenient to use.
The elastic thimble comprises a sleeve, a sliding shaft is slidably arranged on the sleeve in a penetrating manner, two ends of the sliding shaft are extended out from two ends of a metal core shaft and a core shaft which are coaxial with the sliding shaft in an embedded manner, a second sliding groove is radially formed in the wall of the sleeve, a second sliding block in sliding fit with the second sliding groove is fixedly connected to the sliding shaft, the second sliding block extends out of the sleeve, a spring is connected between the second sliding block and the rear end of the sleeve, a positioning bayonet is formed in one side of the rear end of the second sliding groove, and a handle is fixedly connected to the rear end of the sliding shaft. The metal core shaft is used for conducting electricity so as to realize the electric connection between the secondary side wiring terminal of the mutual inductor and the secondary cable. To the flexible function and the locate function of elasticity thimble, in the above-mentioned structure, with the help of the sliding fit structure of slide-shaft and telescopic, realize the flexible function of thimble, with the help of the structure of location bayonet socket and second slider, can fix a position its position when the thimble is retracted, in order to avoid carrying mutual-inductor at the conveyer belt and advancing in-process thimble and mutual-inductor and take place to interfere the collision, after the mutual-inductor targets in place, rotate the handle of slide-shaft rear end, the second slider rotates and breaks away from the location bayonet socket, with the help of the elasticity of spring, the thimble stretches out and pushes up on the secondary side binding post of mutual-inductor, thereby accomplish the wiring of. Therefore, the elastic thimble is very simple in structure and very convenient to operate and control, and the reliability of electric connection is guaranteed by means of the elasticity of the spring.
The rear end part of each metal core shaft is connected with a cable, every four elastic thimbles form a group, each group of elastic thimbles is correspondingly connected to a transfer junction box, and the transfer junction box is electrically connected with a detection input terminal of the verification equipment. The secondary side connecting terminals of the transformers are generally four, and a transfer junction box is specially arranged to be correspondingly connected with each transformer, so that misconnection can be avoided, and the use is more reliable.
The wiring device can simultaneously carry out primary side and secondary side wiring on a plurality of mutual inductors, improves wiring efficiency and reduces wiring difficulty, has simple structure and convenient operation and control, greatly improves verification operation efficiency and reduces labor intensity.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic structural diagram of a conventional high-voltage current transformer;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a left side view of the structure of FIG. 1;
FIG. 4 is a schematic view of the overall structure of the present invention;
FIG. 5 is a schematic diagram of the arrangement structure of metal compacts on the pressure rising and lowering plate;
fig. 6 is a schematic view of a specific structure of the elastic thimble and an installation structure thereof.
Detailed Description
Referring to the attached drawings, the auxiliary wiring device for batch verification of the high-voltage current transformers comprises a conveying belt 1 and a rack 2 arranged in the middle of the conveying belt 1 in a spanning mode. The conveyer belt 1 is driven by the motor 3 and transversely arranged, and a plurality of grooves which are matched with the bases 51 of the mutual inductors 5 are respectively arranged on the surface of the conveyer belt 1 at intervals at positions close to two sides. The conveyer belt 1 is arranged on a plurality of conveyer belt rollers 9 which are arranged side by side, wherein the conveyer belt roller 9 at one end is connected with the power output end of the motor 3 through a power transmission mechanism, the conveyer belt roller 9 at the other end is a tension roller, and the rest conveyer belt rollers 9 are supporting rollers.
Referring to the attached drawings, a lifting pressing plate 4 driven by a lifting driving mechanism is slidably mounted at the top of a rack 2, a plurality of metal pressing blocks 6 are arranged on the bottom surface of the lifting pressing plate 4 at intervals, the metal pressing blocks 6 are arranged corresponding to bosses 53 at the top ends of transformers 5, the metal pressing blocks 6 are electrically connected with the bosses 53 in a one-to-one correspondence manner after the lifting pressing plate 4 falls down, and wires 7 are connected between the metal pressing blocks 6 so that the transformers 5 are connected to two ends of a power supply for detection in series. A plurality of elastic thimbles 8 which are telescopic are arranged on two side parts of the frame 2 at positions corresponding to the secondary side connecting terminals 52 of the mutual inductor 5, and each elastic thimble 8 is electrically connected with a detection input terminal of the verification equipment through a secondary cable. The on-off control of the motor 3 directly influences the positioning position of the mutual inductor 5, the control of the motor 3 can adopt a manual control mode, and preferably, the rack 2 is provided with a position sensor 10, and the signal output end of the position sensor 10 is electrically connected with a control circuit of the motor 3. The position sensor 10 is used for automatically detecting the in-place information of the mutual inductor 5 and controlling the action of the motor 3 through the in-place information, so that the positioning accuracy of the mutual inductor 5 is ensured, and the accuracy of the wiring of the primary side and the secondary side, particularly the secondary side, is facilitated.
According to the method, the conveying belt 1 is divided into a front section, a middle section and a rear section, the front section is a loading area, the middle section is a working area, the rear section is a unloading area, the mutual inductors are divided into two rows at the front section of the conveying belt 1 and are respectively placed on two side parts of the conveying belt 1, the positions of the mutual inductors 5 are positioned by utilizing the grooves on the conveying belt 1, and after the mutual inductors are placed, secondary side connecting terminals of the two rows of the mutual inductors are arranged outwards; starting the conveyor belt 1 to convey the mutual inductors 5 to the lower part of the rack 2 and stopping the motor 3, wherein the stop position of the conveyor belt 1 enables the secondary side wiring terminals 52 of the mutual inductors 5 to correspond to the elastic thimbles 8 one by one, and the positioning of the mutual inductors 5 on the conveyor belt 1 is completed; for the primary side wiring of each transformer 5, a voltage rising and reducing plate 4 is arranged on the top, and by means of a metal pressing block 6 and a lead 7 on the bottom surface of the pressing plate, when the voltage rising and reducing plate 4 is pressed down, the metal pressing block 6 is contacted with and electrically connected with a primary side wiring terminal (namely a boss) on the top end of the transformer 5, and the transformers 5 are sequentially connected in series and connected to two ends of a primary side detection power supply by the lead 7, as shown in the figure, a terminal box 17 of the detection power supply is arranged on the top end of the rack; for the secondary side wiring of each mutual inductor 5, elastic thimbles 8 are arranged on two sides of the bottom of the machine 2, before the mutual inductors are in place, each elastic thimble 8 retracts, after the mutual inductors 5 are positioned, each elastic thimble 8 pops up and is in contact with and electrically connected with a secondary side wiring terminal 52 at a corresponding position, each elastic thimble 8 is connected with verification equipment in advance, the wiring of each mutual inductor 5 is completely finished, and the verification operation can be directly carried out. By the wiring device, primary side and secondary side wiring of the transformers can be completed simultaneously, wiring operation is simple, efficiency is high, and labor intensity is low.
Referring to the attached drawings, the lifting pressure plate 4 is connected to the top of the frame 2 in a sliding manner through a positioning rod 11, the lifting driving mechanism is an oil cylinder 12 or an air cylinder or an electric push rod which is installed at the top of the frame 2, and a control box 13 for controlling the oil cylinder 12 or the air cylinder or the electric push rod is installed at the top end of the frame 2. The lifting driving mechanism can adopt three driving structures, and the lifting state of the lifting pressure plate 4 is controlled by the control box 13.
Referring to the drawings, first sliding grooves 14 are respectively arranged above two side parts of the channel, and a first sliding block 15 in sliding fit with the first sliding grooves 14 is connected to the bottom end of the elastic ejector pin 8. Because the positioning position of the conveyor belt 1 may deviate, and meanwhile, the number and the spacing of the secondary side connecting terminals 52 of the transformers 5 of different models are different, the elastic ejector pins 8 adopt the sliding installation type structure, the spacing between the elastic ejector pins 8 and the corresponding positions of the elastic ejector pins 8 and the secondary side connecting terminals can be flexibly adjusted, and the use is more flexible and convenient.
As for the specific structure of the elastic thimble 8, referring to fig. 6, the elastic thimble 8 includes a sleeve 81 and a slide shaft 82 slidably mounted on the sleeve 81, a metal core shaft 83 coaxial with the slide shaft 82 is embedded in the slide shaft 82, and both ends of the core shaft extend out of both ends of the slide shaft 82, a second sliding slot 84 is radially formed in the wall of the sleeve 81, a second slider 85 slidably fitted with the second sliding slot 84 is fixedly connected to the slide shaft 82, the second slider 85 extends out of the sleeve 81, a spring 86 is connected between the second slider 85 and the rear end of the sleeve 81, a positioning bayonet 87 is formed in one side of the rear end of the second sliding slot 84, and a handle 88 is fixedly connected to the rear end of the slide shaft 82. The metal core 83 is used for conducting electricity to electrically connect the secondary side terminal of the transformer with the secondary cable. For the elastic telescopic function and the positioning function of the elastic thimble 8, in the above structure, the telescopic function of the thimble is realized by means of the sliding fit structure of the sliding shaft 82 and the sleeve 81, the position of the thimble can be positioned when the thimble retracts by means of the structures of the positioning bayonet 87 and the second sliding block 85 so as to avoid the thimble from interfering and colliding with the mutual inductor 5 in the moving process of the mutual inductor 5 carried by the conveyer belt 1, after the mutual inductor 5 is in place, the handle 88 at the rear end of the sliding shaft 82 is rotated, the second sliding block 85 is rotated and separated from the positioning bayonet 87, and the thimble extends out and abuts against the secondary side wiring terminal 52 of the mutual inductor 5 by means of the elastic force of the spring 86, so that the wiring. Therefore, the elastic thimble 8 has a very simple structure and is very convenient to operate and control, and the reliability of electric connection is ensured by means of the elasticity of the spring 86.
Referring to the drawing, the rear end of each metal mandrel 83 is connected with a cable, four elastic ejector pins 8 are in a group, each group of elastic ejector pins 8 is correspondingly connected to one transfer junction box 16, and the transfer junction box 16 is electrically connected with the detection input terminal of the verification equipment. The secondary side terminals 52 of the transformers 5 are generally four, and the transfer terminal box 16 is specially arranged to be correspondingly connected with each transformer 5, so that misconnection can be avoided, and the use is more reliable.
In summary, the present invention is not limited to the above-described embodiments. Numerous changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The protection scope of the present invention shall be subject to the claims of the present invention.
Claims (6)
1. An auxiliary wiring device for batch verification of high-voltage current transformers is characterized by comprising a conveying belt (1) and a rack (2) arranged in the middle of the conveying belt (1) in a spanning mode; the conveying belt (1) is driven by the motor (3) and is transversely arranged, and a plurality of grooves which are matched with the bases (51) of the mutual inductors (5) are respectively arranged on the surface of the conveying belt (1) at intervals at positions close to two sides; the top of the rack (2) is slidably provided with a lifting and dropping plate (4) driven by a lifting driving mechanism, a plurality of metal pressing blocks (6) are arranged on the bottom surface of the lifting and dropping plate (4) at intervals, the metal pressing blocks (6) are arranged corresponding to bosses (53) at the top ends of the transformers (5), the metal pressing blocks (6) are electrically connected with the bosses (53) one by one after the lifting and dropping plate (4) falls, and wires (7) are connected between the metal pressing blocks (6) so as to enable the transformers (5) to be connected to two ends of a power supply for detection in series; a plurality of telescopic elastic thimbles (8) are arranged on two side parts of the frame (2) at positions corresponding to the secondary side connecting terminals (52) of the mutual inductor (5), each elastic thimble (8) comprises a sleeve (81) and a sliding shaft (82) which is slidably arranged on the sleeve (81), a metal core shaft (83) coaxial with the sliding shaft (82) is embedded in the sliding shaft (82), two ends of the core shaft extend out of two ends of the sliding shaft (82), a second sliding groove (84) is radially arranged on the wall of the sleeve (81), a second sliding block (85) in sliding fit with the second sliding groove (84) is fixedly connected on the sliding shaft (82), the second sliding block (85) extends out of the sleeve (81), a spring (86) is connected between the second sliding block (85) and the rear end of the sleeve (81), a positioning bayonet (87) is arranged on one side of the rear end part of the second sliding groove (84), and a handle (88) is fixedly connected on the rear end part of the, each elastic thimble (8) is electrically connected with a detection input terminal of the verification equipment through a secondary cable.
2. The auxiliary connection device for the batch verification of the high-voltage current transformers as claimed in claim 1, wherein the conveyer belt (1) is mounted on a plurality of conveyer belt rollers (9) arranged side by side, wherein the conveyer belt roller (9) at one end is connected with the power output end of the motor (3) through a power transmission mechanism, the conveyer belt roller (9) at the other end is a tension roller, and the rest conveyer belt rollers (9) are supporting rollers.
3. The auxiliary wiring device for the batch verification of the high-voltage current transformers as claimed in claim 1, wherein a position sensor (10) is mounted on the frame (2), and a signal output end of the position sensor (10) is electrically connected with a control circuit of the motor (3).
4. The auxiliary wiring device for the batch verification of the high-voltage current transformers as claimed in claim 1, wherein the lifting and lowering plates (4) are slidably connected to the top of the rack (2) through positioning rods (11), the lifting and lowering driving mechanism is an oil cylinder (12) or an air cylinder or an electric push rod which is installed on the top of the rack (2), and a control box (13) for controlling the oil cylinder (12) or the air cylinder or the electric push rod is installed at the top end of the rack (2).
5. The auxiliary wiring device for the batch verification of the high-voltage current transformers as claimed in any one of claims 1 to 4, wherein the first sliding grooves (14) are respectively arranged above the two side parts of the channel, and the bottom end of the elastic thimble (8) is connected with a first sliding block (15) which is in sliding fit with the first sliding grooves (14).
6. The auxiliary connection device for the batch verification of the high-voltage current transformers as claimed in claim 5, wherein the rear end of each metal core shaft (83) is connected with a cable, four elastic thimbles (8) are arranged in one group, each group of the elastic thimbles (8) is correspondingly connected to a transfer junction box (16), and the transfer junction box (16) is electrically connected with the detection input terminal of the verification equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710046361.3A CN106842096B (en) | 2017-01-22 | 2017-01-22 | Auxiliary wiring device for batch verification of high-voltage current transformers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710046361.3A CN106842096B (en) | 2017-01-22 | 2017-01-22 | Auxiliary wiring device for batch verification of high-voltage current transformers |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106842096A CN106842096A (en) | 2017-06-13 |
| CN106842096B true CN106842096B (en) | 2021-03-23 |
Family
ID=59119424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710046361.3A Expired - Fee Related CN106842096B (en) | 2017-01-22 | 2017-01-22 | Auxiliary wiring device for batch verification of high-voltage current transformers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106842096B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109100673A (en) * | 2018-08-24 | 2018-12-28 | 广东电网有限责任公司 | A kind of detecting current transformer secondary wiring device |
| CN109917320A (en) * | 2019-03-18 | 2019-06-21 | 广州供电局有限公司 | Ct calibrating fixture and ct calibrating system |
| CN111413523B (en) * | 2019-03-27 | 2022-03-22 | 山东双益电气有限责任公司 | Automatic wiring robot for transformer measurement |
| CN114720830B (en) * | 2022-06-09 | 2022-09-06 | 江苏沃尔法电气有限公司 | Insulation test device of voltage transformer for high-voltage gas-filled cabinet |
| CN115656578B (en) * | 2022-12-13 | 2023-03-21 | 石家庄科林电气设备有限公司 | Auxiliary device for measuring electrical performance of transformer and wiring control method |
| CN116699190B (en) * | 2023-05-19 | 2023-12-01 | 湖北大二互科技股份有限公司 | Auxiliary wiring device for batch verification of mutual inductors |
| CN117192174B (en) * | 2023-11-06 | 2024-01-26 | 山西互感器电测设备有限公司 | Automatic contact device for primary current loop |
| 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 |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2612957Y (en) * | 2003-04-17 | 2004-04-21 | 山西省机电设计研究院 | Current transformer on-site calibrating apparatus |
| CN2722399Y (en) * | 2004-03-24 | 2005-08-31 | 万家盛 | Mutual inductor against charge evasion |
| CN101819264A (en) * | 2010-05-10 | 2010-09-01 | 山西省机电设计研究院 | Portable type current transformer calibrating device |
| CN102298133A (en) * | 2011-09-13 | 2011-12-28 | 浙江省电力公司 | Automatic wire connecting device for primary winding of bus type transformer |
| CN102353921A (en) * | 2011-07-14 | 2012-02-15 | 浙江省电力公司 | Automated calibrating device for mutual inductors |
| CN102628930A (en) * | 2012-04-12 | 2012-08-08 | 山西省机电设计研究院 | Automatic detection line for mutual inductor |
| CN203630332U (en) * | 2013-11-26 | 2014-06-04 | 国家电网公司 | Wiring change-over switch used for current transformer verification and calibration |
| CN104020434A (en) * | 2014-06-16 | 2014-09-03 | 国网上海市电力公司 | Automatic calibrating system for metering low-voltage current transformer |
| CN203909266U (en) * | 2014-06-16 | 2014-10-29 | 国网上海市电力公司 | Automation calibration system for metering low-voltage current transformer |
| CN204241682U (en) * | 2014-11-27 | 2015-04-01 | 乐清市珠宇检测设备有限公司 | A kind of current transformer automatic calibrator |
| CN104950279A (en) * | 2015-06-25 | 2015-09-30 | 国家电网公司 | Three-dimensional movement mechanical device for low-voltage current transformer detection |
| CN105353336A (en) * | 2015-12-08 | 2016-02-24 | 国网山东省电力公司潍坊供电公司 | Wiring tool for mutual inductor detection |
-
2017
- 2017-01-22 CN CN201710046361.3A patent/CN106842096B/en not_active Expired - Fee Related
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2612957Y (en) * | 2003-04-17 | 2004-04-21 | 山西省机电设计研究院 | Current transformer on-site calibrating apparatus |
| CN2722399Y (en) * | 2004-03-24 | 2005-08-31 | 万家盛 | Mutual inductor against charge evasion |
| CN101819264A (en) * | 2010-05-10 | 2010-09-01 | 山西省机电设计研究院 | Portable type current transformer calibrating device |
| CN102353921A (en) * | 2011-07-14 | 2012-02-15 | 浙江省电力公司 | Automated calibrating device for mutual inductors |
| CN102298133A (en) * | 2011-09-13 | 2011-12-28 | 浙江省电力公司 | Automatic wire connecting device for primary winding of bus type transformer |
| CN102628930A (en) * | 2012-04-12 | 2012-08-08 | 山西省机电设计研究院 | Automatic detection line for mutual inductor |
| CN203630332U (en) * | 2013-11-26 | 2014-06-04 | 国家电网公司 | Wiring change-over switch used for current transformer verification and calibration |
| CN104020434A (en) * | 2014-06-16 | 2014-09-03 | 国网上海市电力公司 | Automatic calibrating system for metering low-voltage current transformer |
| CN203909266U (en) * | 2014-06-16 | 2014-10-29 | 国网上海市电力公司 | Automation calibration system for metering low-voltage current transformer |
| CN204241682U (en) * | 2014-11-27 | 2015-04-01 | 乐清市珠宇检测设备有限公司 | A kind of current transformer automatic calibrator |
| CN104950279A (en) * | 2015-06-25 | 2015-09-30 | 国家电网公司 | Three-dimensional movement mechanical device for low-voltage current transformer detection |
| CN105353336A (en) * | 2015-12-08 | 2016-02-24 | 国网山东省电力公司潍坊供电公司 | Wiring tool for mutual inductor detection |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106842096A (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106842096B (en) | Auxiliary wiring device for batch verification of high-voltage current transformers | |
| CN106707219B (en) | High-voltage current transformer verification wiring device | |
| CN106493566B (en) | A kind of socket automatic assembling | |
| CN208953657U (en) | A kind of automatic connecting test equipment of chip | |
| CN109283479B (en) | Mutual inductor detection and calibration equipment | |
| CN206947460U (en) | A kind of new hot pressing chemical conversion automated calibration system | |
| CN106680682A (en) | Parallel testing apparatus of multichannel insulation and voltage resistance | |
| CN203929909U (en) | Transformer voltage-withstand test mechanism | |
| CN106768545B (en) | A kind of device for measuring force applied to stator lead terminal | |
| CN207992412U (en) | A kind of phone charger test system | |
| CN204953377U (en) | Fixed inductance automatic separation production line | |
| CN104198822B (en) | Device for rapidly testing amorphous magnetic ring and test method thereof | |
| CN109724483A (en) | A kind of product testing mold for electric detonator automatic assembling | |
| CN102944788A (en) | Matched test desk of photovoltaic junction box test equipment | |
| CN201555926U (en) | Insulation testing equipment of packaged semiconductor device plastic-sealed body | |
| CN208825029U (en) | A kind of inductor performance automatic test instrument | |
| CN108872720B (en) | Shielding room of extraction-insertion type replacement testing system | |
| CN102809706A (en) | Mutual inductor automatic detection line secondary wiring device | |
| CN105855191B (en) | A kind of fixed inductance automatic sorting production line | |
| CN212460013U (en) | Amorphous alloy annular sample magnetic property measurement sample table | |
| CN210788250U (en) | Copper wire bare voltage testing device of connector | |
| CN209086328U (en) | A kind of varistor detection device | |
| CN209894460U (en) | High-efficiency pressure control type test structure | |
| CN109239470B (en) | Shielding room of extraction-insertion type replacement testing system | |
| CN207103203U (en) | The ATE of data wire carrier transmitting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 Termination date: 20220122 |