CN205003223U - Current transformer detection device - Google Patents

Current transformer detection device Download PDF

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Publication number
CN205003223U
CN205003223U CN201520626806.1U CN201520626806U CN205003223U CN 205003223 U CN205003223 U CN 205003223U CN 201520626806 U CN201520626806 U CN 201520626806U CN 205003223 U CN205003223 U CN 205003223U
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CN
China
Prior art keywords
power cabinet
hydraulic stem
collets
shaped
folder
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.)
Active
Application number
CN201520626806.1U
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Chinese (zh)
Inventor
王玮
燕亭
王义永
张军
张冬晛
穆云龙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
STATE GRID ANHUI POWER SUPPLY COMPANY OVERHAUL BRANCH
State Grid Corp of China SGCC
Original Assignee
State Grid Corp of China SGCC
Maintenace Co of State Grid Anhui Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Maintenace Co of State Grid Anhui Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201520626806.1U priority Critical patent/CN205003223U/en
Application granted granted Critical
Publication of CN205003223U publication Critical patent/CN205003223U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A current transformer detection device, including the power cabinet, install in the power cashier's office in a shop the surface lifting devices and fix the connecting device at the lifting devices expansion end, the side of power cabinet still is equipped with the control panel who is used for control and shows the the device current status, lifting devices is hydraulic stem consecutive by the multisection and that can stretch out and draw back each other and forms, and this lifting devices can make the hydraulic stem up -and -down motion under power device's effect, connecting device includes collets, buffer spring, radar distance measuring sensor and U -shaped armful clamp, the top of hydraulic stem has an upper end open -ended body, collets are located the body, buffer spring's one end links to each other with collets, and its other end is embraced to press from both sides with the U -shaped that is located the body top and is linked to each other. The utility model discloses convenient to use need not staff high altitude climbing and measures, and the condition of avoiding touching adjacent device in the testing process takes place, has improved the accuracy that detects data simultaneously.

Description

A kind of current mutual inductor testing apparatus
Technical field
The utility model relates to a kind of pick-up unit, is specifically related to a kind of current mutual inductor testing apparatus.
Background technology
Current transformer is the important electrical equipment of electric system; it carries the function that isolation between high and low pressure system and high pressure amount are changed to low pressure amount; the correctness of its wiring, has extremely important meaning to the policy work of the equipment such as protection, measurement, supervision of system.When newly installing, put into operation or change Current Transformer Secondary cable at current transformer, need to utilize polarity test to check the correctness of current transformer connection, need actually to pass into current verification current transformer ratio and second protection, whether measurement, supervision be correct; 2-3 people is had for through-flow, Check up polarity need of work manning in the past, the current transformer of voltage levels requires that terrain clearance all higher (500kV) electric pressure current transformer terrain clearance has about 8 meters because of safe distance, need staff to carry bucket arm vehicle or adopt Multi-function pliers for high-altitude connecting wire test wire could be accessed the former limit of current transformer, there is following shortcoming in this testing process: first, high-altitude easily swings, and easily touches adjacent spaces; The second, jaw poor reliability easily comes off; 3rd, lift mounted high-altitude test clamp overall weight large, higher to staff's force requirements; 4th, when lifting, metallic testing clamp rocks and easily encounters porcelain vase, damages porcelain vase, and the 5th, the mobile inconvenience of Heavy Weight carrying such as high-current generation device, power lead, overhead jointing clamp, need many people to coordinate.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of current mutual inductor testing apparatus easy to use, safe.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of current mutual inductor testing apparatus, comprise power cabinet, be installed on the lifting device of power cabinet upper surface and be fixed on the coupling arrangement of lifting device movable end, the side of described power cabinet is also provided with for controlling and showing the control panel of this device current state, described lifting device is connected successively by more piece and the hydraulic stem that can mutually stretch forms, this lifting device can make hydraulic stem move up and down under the effect of propulsion system, described coupling arrangement comprises collets, buffer spring, radar range finding sensor and U-shaped embrace folder, the top of described hydraulic stem has the body of a upper end open, described collets are positioned at body, one end of described buffer spring is connected with collets, its other end and the U-shaped be positioned at above body are embraced to press from both sides and are connected, this U-shaped embraces folder for metal material manufacture, described radar range finding sensor is fixed on the bottom sides that U-shaped embraces folder, described radar range finding sensor is connected with the control device in power cabinet by p-wire one, the lower end of described power cabinet has ground wire and the p-wire two of extraction.
Further, described control panel comprise power switch button, embrace folder distance lead-in wire elevation indicator, big current input value display, embrace a folder pick up button, embrace fold up out button, hydraulic stem down operation bar button and input keyboard.
Further, the bottom of described power cabinet is provided with roller, and its side is provided with maintenance ladder.
The beneficial effects of the utility model are: pick-up unit described in the utility model, easy to use, measure without the need to the climbing of staff high-altitude, the situation touching neighboring devices in testing process is avoided to occur, its pick-up unit is connected with the leading-out terminal of current transformer more firm, improves the accuracy detecting data.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is that the utility model detects structural representation when connecting to current transformer;
Number in the figure is: 1, power cabinet; 11, roller; 12, maintenance ladder; 13, p-wire one; 14, ground wire; 15, p-wire two; 2, lifting device; 3, control panel; 31, collets; 32, buffer spring; 33, radar range finding sensor; 34, U-shaped embraces folder; 4, grounding switch.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described.
As shown in Figure 1, the current mutual inductor testing apparatus of the present embodiment, comprise power cabinet 1, be installed on the lifting device 2 of power cabinet 1 upper surface and be fixed on the coupling arrangement of lifting device 2 movable end, the side of power cabinet 1 is also provided with for controlling and showing the control panel 3 of this device current state, lifting device 2 is connected successively by more piece and the hydraulic stem that can mutually stretch forms, this lifting device 2 can make hydraulic stem move up and down under the effect of propulsion system, coupling arrangement comprises collets 31, buffer spring 32, radar range finding sensor 33 and U-shaped embrace folder 34, the top of hydraulic stem has the body of a upper end open, collets 31 are positioned at body, one end of buffer spring 32 is connected with collets 31, its other end and the U-shaped be positioned at above body are embraced folder 34 and are connected, this U-shaped embraces folder 34 for metal material manufacture, radar range finding sensor 33 is fixed on the bottom sides that U-shaped embraces folder 34, radar range finding sensor 33 is connected with the control device in power cabinet 1 by p-wire 1, the lower end of this power cabinet 1 has ground wire 14 and the p-wire 2 15 of extraction.
Control panel 3 comprise power switch button, embrace folder distance lead-in wire elevation indicator, big current input value display, embrace a folder pick up button, embrace fold up out button, hydraulic stem down operation bar button and input keyboard; The conveniently movement of power cabinet 1, is provided with roller 11 in the bottom of power cabinet 1, in addition, is provided with maintenance ladder 12 in the side of power cabinet 1, to facilitate staff to the maintenance of this current mutual inductor testing apparatus.
As shown in Figure 2, the utility model use procedure is as follows, power cabinet 1 is shifted onto the below needing the current transformer detected, the ground wire 14 of power cabinet 1 is connected with the leading-out terminal L1 of one end of tested current transformer by grounding switch 4, switch with p-wire 1, U-shaped embraced folder 34 by lifting device to rise to and be connected with the leading-out terminal L2 of the opposite side of current transformer, then by radar range finding sensor 33 and the control device that is arranged on power cabinet 1 inside, parameter measurement is carried out to current transformer.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.

Claims (3)

1. a current mutual inductor testing apparatus, it is characterized in that: comprise power cabinet (1), be installed on the lifting device (2) of power cabinet (1) upper surface and be fixed on the coupling arrangement of lifting device (2) movable end, the side of described power cabinet (1) is also provided with for controlling and showing the control panel (3) of this device current state, described lifting device (2) is connected successively by more piece and the hydraulic stem that can mutually stretch forms, this lifting device (2) can make hydraulic stem move up and down under the effect of propulsion system, described coupling arrangement comprises collets (31), buffer spring (32), radar range finding sensor (33) and U-shaped embrace folder (34), the top of described hydraulic stem has the body of a upper end open, described collets (31) are positioned at body, one end of described buffer spring (32) is connected with collets (31), its other end and the U-shaped be positioned at above body are embraced and are pressed from both sides (34) and be connected, this U-shaped embraces folder (34) for metal material manufacture, described radar range finding sensor (33) is fixed on the bottom sides that U-shaped embraces folder (34), described radar range finding sensor (33) is connected with the control device in power cabinet (1) by p-wire one (13), the lower end of described power cabinet (1) has ground wire (14) and the p-wire two (15) of extraction.
2. current mutual inductor testing apparatus according to claim 1, is characterized in that: described control panel (3) comprise power switch button, embrace folder distance lead-in wire elevation indicator, big current input value display, embrace a folder pick up button, embrace fold up out button, hydraulic stem down operation bar button and input keyboard.
3. current mutual inductor testing apparatus according to claim 1, is characterized in that: the bottom of described power cabinet (1) is provided with roller (11), and its side is provided with maintenance ladder (12).
CN201520626806.1U 2015-08-19 2015-08-19 Current transformer detection device Active CN205003223U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520626806.1U CN205003223U (en) 2015-08-19 2015-08-19 Current transformer detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520626806.1U CN205003223U (en) 2015-08-19 2015-08-19 Current transformer detection device

Publications (1)

Publication Number Publication Date
CN205003223U true CN205003223U (en) 2016-01-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520626806.1U Active CN205003223U (en) 2015-08-19 2015-08-19 Current transformer detection device

Country Status (1)

Country Link
CN (1) CN205003223U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108957041A (en) * 2018-07-17 2018-12-07 国网河南省电力公司南阳供电公司 A kind of intelligent substation high pressure seton device and application method
CN109873361A (en) * 2019-02-22 2019-06-11 南京工业大学 The lift sensor device of power transmission lines overhauling based on Current Mutual Inductance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108957041A (en) * 2018-07-17 2018-12-07 国网河南省电力公司南阳供电公司 A kind of intelligent substation high pressure seton device and application method
CN109873361A (en) * 2019-02-22 2019-06-11 南京工业大学 The lift sensor device of power transmission lines overhauling based on Current Mutual Inductance

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CP03 Change of name, title or address
CP03 Change of name, title or address

Address after: No. 397, Tongcheng South Road, Baohe District, Hefei City, Anhui Province 230061

Patentee after: STATE GRID ANHUI POWER SUPPLY COMPANY OVERHAUL BRANCH

Patentee after: STATE GRID CORPORATION OF CHINA

Address before: 230000, No.397, Tongcheng South Road, Baohe District, Hefei City, Anhui Province

Patentee before: State Grid Anhui Electric Power Company Maintenance Co.

Patentee before: State Grid Corporation of China