CN107907714B - Multifunctional leakage detection device - Google Patents
Multifunctional leakage detection device Download PDFInfo
- Publication number
- CN107907714B CN107907714B CN201710577377.7A CN201710577377A CN107907714B CN 107907714 B CN107907714 B CN 107907714B CN 201710577377 A CN201710577377 A CN 201710577377A CN 107907714 B CN107907714 B CN 107907714B
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- China
- Prior art keywords
- jaw
- cable
- clamp
- meter
- spiral
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- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000004804 winding Methods 0.000 abstract description 2
- 241000589973 Spirochaeta Species 0.000 abstract 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Abstract
The invention provides a multifunctional electric leakage detector, and relates to a detector. The problem that a clamp meter is difficult to accurately measure a long-distance cable in the prior art is solved. This multi-functional electric leakage detection utensil, including the pincerlike meter, with the parallel spiral solidus ware that is provided with of pincerlike meter jaw, spiral solidus ware includes the spirochaeta, and the middle part of spirochaeta is fixed on the rotating electric motor shaft, is fixed with the pin on the motor, and the pin is parallel with the radial of spirochaeta, and the length of pin is greater than the radial length of spirochaeta, and the radial plane of spirochaeta is parallel with the jaw of pincerlike meter, the middle part of spirochaeta with the jaw middle part corresponds, the pincerlike meter is installed on insulating bar, be provided with the relative pincerlike meter body pivoted electric slewing mechanism of control jaw body on half jaw body of jaw. The invention utilizes the spiral body matched with the pincerlike meter to conveniently feed the cable into the center of the jaw, so that the measurement is more accurate, and the rotatable jaw body is utilized to realize the winding of the cable.
Description
Technical Field
The invention belongs to the technical field of electric power detection, relates to a detection device, and particularly relates to a multifunctional electric leakage detection device.
Background
The electric leakage often takes place on with electrical apparatus and power transmission line, it is very big to consumer and personnel's safety influence, but electric leakage trouble and electric leakage position are difficult to measure usually, especially to the inconvenient place of people's operation, current detection table of pincerlike is convenient for convenient to detect the wire, usually need utilize insulating bar, but the pincerlike ammeter should let the wire pass from the centre of pincerlike mouth as far as possible during measurement and just can make the measurement accurate, especially be in the wire that rocks under the wind action to the open air, just more unfavorable to measurement, so current pincerlike ammeter can not satisfy the working requirement. In addition, in order to make the measurement more accurate when the current is small, it is necessary to wind the wire several times on the jaw body to increase the value of the induced current, but it is very inconvenient to wind by hand.
Disclosure of Invention
The multifunctional electric leakage detection device is provided with a mechanism for assisting the clamp meter to clamp the lead, and the mechanism is used for fixing the lead, so that the lead is positioned at the center of the clamp port as much as possible, the current of the lead can be accurately measured, and the clamp port body can conveniently wind a cable.
The purpose of the invention can be realized by the following technical scheme: a multifunctional electric leakage detector is characterized in that a clamp meter is mounted on an insulating operating rod, and an electric rotating mechanism for controlling the clamp body to rotate relative to a clamp meter body is arranged on a half clamp body of a clamp; the electric rotating mechanism is as follows: the jaw body is connected with the jaw meter through a rotary electric connector, so that the jaw body can still realize electric connection when rotating, a gear is arranged outside the rotary electric connector fixedly connected with the jaw body, and the gear is controlled by a motor to rotate through the rotary electric connector; so that the jaw body rotates to wind the cable. The clamp-on meter is provided with a cable fixing frame, the cable fixing frame is provided with a cable fixing clamp and a cable guide wheel, the cable fixing clamp is located below a jaw, the cable guide wheel is located above the jaw, the cable guide wheel comprises two guide wheels arranged in parallel, a reset spring is arranged between the two guide wheels, one guide wheel is fixed on the fixing frame, the other guide wheel is arranged on the fixing frame in a sliding mode, the reset spring ensures that the two guide wheels clamp a cable, and at least one guide wheel is controlled by a motor to rotate.
During operation, in order to control the cable, the cable can be clamped by the cable fixing clamp and the two guide wheels, and the guide wheels control the motor to control the guide wheels to rotate so as to convey the cable to the jaw opening for the jaw body to rotate and wind the cable.
In the above multifunctional electric leakage detector, the jaw is a circular jaw, and the electric rotating mechanism is disposed on the fixed jaw body.
In the multifunctional electric leakage detector, a spiral wire fixing device is arranged in parallel with a jaw of the clamp meter, the spiral wire fixing device comprises a spiral body, the middle part of the spiral body is fixed on a rotating motor shaft, a stop lever is fixed on the motor, the motor controls the spiral body to rotate relative to the stop lever, the stop lever is parallel to the radial direction of the spiral body, the length of the stop lever is greater than the radial length of the spiral body, the motor is fixedly connected with the clamp meter relatively through a connecting rod body, the radial plane of the spiral body is parallel to the jaw of the clamp meter, the middle part of the spiral body corresponds to the middle part of the jaw, the clamp meter is arranged on an insulating operation rod, and half of the jaw body of the jaw is provided with an electric rotating mechanism for controlling the jaw body to rotate relative;
when the clamp is in work, the operating rod enables the clamp meter to be close to a cable to be measured, the jaw of the clamp meter is opened, the cable is placed at the inlet of the spiral body, the control motor drives the spiral body to rotate, the cable is guided to the middle of the spiral body under the guiding of the stop lever, namely the middle of the jaw, and then the jaw is closed to measure current. After the measurement is completed, the jaw is opened, the spiral body rotates reversely, and the cable is sent out of the spiral body under the guidance of the stop lever. When the cable is required to be measured around a plurality of circles at the jaw, the jaw is opened first, and the electric rotating mechanism is used for controlling the relative rotation of the half jaw body to the cable, so that the cable is wound on the jaw body.
In the above multifunctional electric leakage detector, the number of the spiral bodies is two, and the two spiral bodies are respectively arranged on two sides of the jaw. The two screws can realize more stable operation on the cable, so that the cable is better positioned at the center of the jaw.
In the above multifunctional electrical leakage detector, the blocking levers are a plurality of outward-divergent levers centered on the motor. The angle between the bars facilitates better guiding of the cable to the inlet of the helix.
In the multifunctional leakage detector, the stop lever is a telescopic lever with a length, a barb for hooking the cable is arranged at the end part of the telescopic lever, and the direction of the barb is consistent with the direction of the cable entering the middle part of the spiral body. The telescopic rod with the barb is more beneficial to hooking the remote cable to the spiral body.
In the above multifunctional leakage detecting device, the connecting rod body is a telescopic rod. The spiral body is lifted relative to the jaw, so that the cable is conveniently controlled to leave or enter the jaw, and the cable is conveniently separated from the jaw when the gear of the clamp meter is switched.
In the above multifunctional leakage detecting device, the telescopic connecting rod body is arranged on the body of the clamp meter in a controllable rotating manner relative to the clamp meter. The connection rod body is controlled to rotate relative to the clamp meter, so that the spiral body is more favorable to approach the cable.
In the above multifunctional electrical leakage detector, the stopper rod is disposed perpendicular to the insulating operating rod. The cable can be conveniently put into the spiral body from the up-down direction.
In the above multifunctional electric leakage detector, the blocking rod and the insulating operation rod are arranged in the same direction. The cable can be conveniently put into the spiral body from two sides.
Compared with the prior art, the multifunctional electric leakage detector has the following advantages:
1. the invention utilizes the spiral body matched with the pincerlike meter to conveniently feed the cable into the center of the jaw, so that the measurement is more accurate, and the rotatable jaw body is utilized to realize the winding of the cable.
2. The invention utilizes the telescopic rod body to control the action of the spiral body relative to the pincerlike opening, thereby controlling the cable to enter or leave the jaw and facilitating the switching operation of the range of the pincerlike meter.
3. The invention utilizes the telescopic stop lever with the barb to facilitate the transmission of a far cable into the spiral body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the jaw body in a state in which a cable is wound;
FIG. 3 is a schematic view with a helical wire fastener;
FIG. 4 is a side view of FIG. 3;
FIG. 5 is a schematic view showing a state where the blocking lever is arranged in the same direction as the insulating operation rod;
FIG. 6 is a schematic view of the vertical position of the stop lever relative to the insulating operating rod;
FIG. 7 is a schematic view of the second embodiment.
Fig. 8 is a schematic view of a cable guide wheel portion.
In the figure, a clamp meter 1, a jaw 101, a movable jaw body 101.1, a fixed jaw body 101.2, a spiral body 2, a rotating motor 3, a stop lever 4, an insulating operating rod 5, a cable 6, a connecting rod body 7, a rotating motor 8, a barb 9, a rotating electric connector 10, a rotating electric connector control motor 11, a transmission gear 12, a cable fixing frame 13, a cable fixing clamp 14, a cable guide wheel 15, a return spring 16, a chute 17 and a guide wheel control motor 18.
Detailed Description
The following are specific embodiments of the present invention, and the technical solutions of the present invention will be further described with reference to the drawings, but the present invention is not limited to these embodiments.
Example one
As shown in fig. 1, 2, 3 and 4, a multifunctional electric leakage detector comprises a clamp meter 1, a spiral wire fixing device is arranged in parallel with a jaw of the clamp meter, the spiral wire fixing device comprises a spiral body 2, the middle part of the spiral body is fixed on a shaft of a rotating motor 3, a stop lever 4 is fixed on the rotating motor, the rotating motor controls the spiral body to rotate relative to the stop lever, the stop lever is parallel to the radial direction of the spiral body, the length of the stop lever is greater than the radial length of the spiral body, namely, the end part of the stop lever exceeds the edge of the spiral body, the motor is fixedly connected with the clamp meter relatively through a connecting rod body, the radial plane of the spiral body is parallel to the jaw 101 of the clamp meter, the middle part of the spiral body corresponds to the middle part of the jaw, and the clamp. And an electric rotating mechanism for controlling the jaw body to rotate relative to the clamp meter body is arranged on the half jaw body of the jaw. The electric rotating mechanism is as follows: the jaw body is connected with the jaw meter through a rotary electric connector 10, so that the jaw body can still realize electric connection when rotating, a gear is arranged outside the rotary electric connector fixedly connected with the jaw body, and the gear is controlled to rotate by a transmission gear 12 which is arranged on a rotary electric connector control motor 11 shaft and meshed with the rotary electric connector gear, so that the jaw body rotates to wind a cable. The jaw is a circular jaw, two semicircular jaw bodies form the circular jaw, one jaw body is a movable jaw body 101.1 capable of being opened and closed manually, the other jaw body is a fixed jaw body 101.2, and the electric rotating mechanism is arranged on the fixed jaw body, namely the fixed jaw body is utilized to rotate.
When the clamp is in work, the operating rod enables the clamp meter to be close to a cable to be measured, the jaw of the clamp meter is opened, the cable is placed at the inlet of the spiral body, the control motor drives the spiral body to rotate, the cable is guided to the middle of the spiral body under the guiding of the stop lever, namely the middle of the jaw, and then the jaw is closed to measure current. After the measurement is completed, the jaw is opened, the spiral body rotates reversely, and the cable is sent out of the spiral body under the guidance of the stop lever. When the cable is required to be measured around a plurality of circles at the jaw, the jaw is opened first, and the electric rotating mechanism is used for controlling the relative rotation of the half jaw body to the cable, so that the cable is wound on the jaw body.
Further, as shown in fig. 8, a cable fixing frame 13 is arranged on the pincer-shaped meter, a cable fixing clip 14 and a cable guide wheel 15 are arranged on the cable fixing frame, the cable fixing clip is located below the jaw, the cable guide wheel is located above the jaw, the cable guide wheel comprises two guide wheels which are arranged in parallel, a return spring 16 is arranged between the two guide wheels, one of the guide wheels is fixed on the fixing frame, the other guide wheel is arranged on the fixing frame in a sliding manner, namely, a sliding groove 17 is arranged on the fixing frame, shafts of the guide wheels are matched in the sliding groove in a sliding manner, the return spring ensures that the two guide wheels clamp the cable, and at least one of the guide wheels is controlled by a. The cable retention clip may be any form of clip that can retain a cable relative to the clamp meter.
In operation, in order to control the cable, the cable can be clamped by the cable fixing clamp and the two guide wheels, and the guide wheel control motor 18 controls the guide wheels to rotate to convey the cable to the jaw opening for the jaw body to rotate to wind the cable.
Further, the number of the spiral bodies is two, and the two spiral bodies are arranged on two sides of the jaw respectively. The two screws allow a more stable operation of the cable, so that the cable 6 is better centered in the jaw.
Further, the connecting rod body 7 is an extensible rod, such as a pneumatic cylinder or an electric cylinder. The spiral body is lifted relative to the jaw, so that the cable is conveniently controlled to leave or enter the jaw, and the cable is conveniently separated from the jaw when the gear of the clamp meter is switched.
Furthermore, the telescopic connecting rod body is arranged on the body of the pincer-shaped meter in a controllable rotating mode relative to the pincer-shaped meter, for example, the connecting rod body is connected to the body of the pincer-shaped meter, and the rotating motor 8 is used for controlling the connecting rod body to rotate. The connection rod body is controlled to rotate relative to the clamp meter, so that the spiral body is more favorable to approach the cable.
Further, as shown in fig. 5 and 6, the blocking rod may be vertically disposed with respect to the insulating operation rod. The cable can be conveniently put into the spiral body from the up-down direction. The stop lever can also be arranged in the same direction as the insulating operating rod. The cable can be conveniently put into the spiral body from two sides.
Example two
As shown in fig. 7, the number of the blocking levers is more than 4, and the blocking levers are arranged in an outward diverging manner with the motor as the center. The angle between the bars facilitates better guiding of the cable to the inlet of the helix.
Further, the stop lever is a length-adjustable rod, such as a pneumatic cylinder or an electric cylinder, the end of the telescopic rod is provided with a barb 9 for hooking the cable, and the direction of the barb is consistent with the direction of the cable entering the middle part of the spiral body. The telescopic rod with the barb is more beneficial to hooking the remote cable to the spiral body.
Although some terms are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. A multifunctional leakage detector comprises a clamp meter for detecting current, and is characterized in that the clamp meter is arranged on an insulating operating rod, and an electric rotating mechanism for controlling a half jaw body to rotate relative to a clamp meter body is arranged on a jaw; the electric rotating mechanism is as follows: the jaw body is connected with the pincer-shaped meter through a rotary electric connector, a gear is arranged outside the rotary electric connector fixedly connected with the jaw body, and the gear is controlled by a motor to rotate through the rotary electric connector; the clamp-on meter is provided with a cable fixing frame, the cable fixing frame is provided with a cable fixing clamp and a cable guide wheel, the cable fixing clamp is located below a jaw, the cable guide wheel is located above the jaw, the cable guide wheel comprises two guide wheels arranged in parallel, a reset spring is arranged between the two guide wheels, one guide wheel is fixed on the cable fixing frame, the other guide wheel is arranged on the cable fixing frame in a sliding mode, the reset spring ensures that the two guide wheels clamp a cable, and at least one guide wheel is controlled by a motor to rotate.
2. The multifunctional electrical leakage detection apparatus of claim 1, wherein the jaw is a circular jaw, and the electrical rotating mechanism is disposed on the fixed jaw body.
3. The multifunctional electric leakage detector according to claim 1, wherein a spiral wire fixing device is arranged in parallel with the jaw of the clamp meter, the spiral wire fixing device comprises a spiral body, the middle part of the spiral body is fixed on a shaft of a rotating motor, a stop lever is fixed on the rotating motor, the stop lever is parallel to the radial direction of the spiral body, the length of the stop lever is greater than the radial length of the spiral body, the rotating motor is relatively and fixedly connected with the clamp meter through a connecting rod body, the radial plane of the spiral body is parallel to the jaw of the clamp meter, and the middle part of the spiral body corresponds to the middle part of the jaw.
4. A multifunctional electrical leakage detection apparatus according to claim 3, wherein there are two of said screw bodies, and the two screw bodies are respectively disposed at two sides of said jaw.
5. A multi-functional electric leakage detecting device according to claim 3, wherein said catch lever is provided in a plurality of outwardly diverging positions centered on the rotating electric machine.
6. The multifunctional electrical leakage detection apparatus according to claim 3, wherein the blocking rod is a telescopic rod, the end of the telescopic rod is provided with a barb for hooking the cable, and the direction of the barb is the same as the direction of the cable entering the middle of the spiral body.
7. A multi-functional electrical leakage detection device according to claim 3, wherein said connection rod body is a telescopic rod.
8. The multifunctional electrical leakage detection device of claim 7, wherein the connection rod body is arranged on the body of the clamp meter in a controllable rotating manner relative to the clamp meter.
9. A multi-functional electrical leakage detecting device according to claim 3, wherein said blocking lever is disposed vertically with respect to the insulating operation rod.
10. A multi-functional electrical leakage detecting device according to claim 3, wherein said stop lever is disposed in the same direction as the insulating operation rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710577377.7A CN107907714B (en) | 2017-07-14 | 2017-07-14 | Multifunctional leakage detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710577377.7A CN107907714B (en) | 2017-07-14 | 2017-07-14 | Multifunctional leakage detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107907714A CN107907714A (en) | 2018-04-13 |
| CN107907714B true CN107907714B (en) | 2019-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710577377.7A Active CN107907714B (en) | 2017-07-14 | 2017-07-14 | Multifunctional leakage detection device |
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| Country | Link |
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| CN (1) | CN107907714B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931707A (en) * | 2018-07-09 | 2018-12-04 | 国网山东省电力公司莱芜供电公司 | A kind of portable power distribution line electrical leakage device for fast detecting |
| CN112748364B (en) * | 2020-12-24 | 2022-11-08 | 海南电网有限责任公司琼海供电局 | Hand-held type transmission line insulation detection device |
| CN113030838B (en) * | 2021-03-25 | 2024-02-02 | 河南省计量科学研究院 | Electric energy meter calibrating device for on-line on-load calibration |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6262578B1 (en) * | 1995-08-09 | 2001-07-17 | Flight Refuelling Limited | Detection and location of current leakage paths and detection of oscillations |
| CN203881883U (en) * | 2014-05-16 | 2014-10-15 | 国家电网公司 | Transmission line electric leakage tester |
| CN104701005A (en) * | 2015-01-16 | 2015-06-10 | 王传东 | Multifunctional clamp for electric filter capable of realizing automatic rotary winding of inner hole |
| CN105474347A (en) * | 2014-02-17 | 2016-04-06 | 富士电机机器制御株式会社 | Leakage current detection unit and leakage current breaker |
| CN106370971A (en) * | 2016-12-06 | 2017-02-01 | 国网浙江慈溪市供电公司 | Electric leakage detection device |
-
2017
- 2017-07-14 CN CN201710577377.7A patent/CN107907714B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6262578B1 (en) * | 1995-08-09 | 2001-07-17 | Flight Refuelling Limited | Detection and location of current leakage paths and detection of oscillations |
| CN105474347A (en) * | 2014-02-17 | 2016-04-06 | 富士电机机器制御株式会社 | Leakage current detection unit and leakage current breaker |
| CN203881883U (en) * | 2014-05-16 | 2014-10-15 | 国家电网公司 | Transmission line electric leakage tester |
| CN104701005A (en) * | 2015-01-16 | 2015-06-10 | 王传东 | Multifunctional clamp for electric filter capable of realizing automatic rotary winding of inner hole |
| CN106370971A (en) * | 2016-12-06 | 2017-02-01 | 国网浙江慈溪市供电公司 | Electric leakage detection device |
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| Publication number | Publication date |
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| CN107907714A (en) | 2018-04-13 |
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