CN110244103A - A kind of clamp on amperemeter based on Rogowski coil - Google Patents
A kind of clamp on amperemeter based on Rogowski coil Download PDFInfo
- Publication number
- CN110244103A CN110244103A CN201910222397.1A CN201910222397A CN110244103A CN 110244103 A CN110244103 A CN 110244103A CN 201910222397 A CN201910222397 A CN 201910222397A CN 110244103 A CN110244103 A CN 110244103A
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- Prior art keywords
- clamp
- jaw
- detection
- amperemeter
- circuit board
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
The present invention provides a kind of clamp on amperemeter based on Rogowski coil, including shell, detect jaw, circuit board and battery, detect jaw and circuit board electrical connection, shell is equipped with display screen, display screen and circuit board electrical connection, wherein, it further include the Rogowski coil with circuit board electrical connection, the side wall of shell is equipped with switching switch, switching switch and circuit board electrical connection, switching switch has the first gear and the second gear, detection jaw work when switching switching to the first gear, Rogowski coil works when switching switching to the second gear, so that the detection jaw and Rogowski coil of clamp on amperemeter can work independently, i.e. there are two types of detection functions for clamp on amperemeter tool, greatly improve the multifunctionality of clamp on amperemeter, and when encountering the case where not being suitable for detecting jaw detection, it can be detected with Rogowski coil, measurement, so may be used The maintenance convenience of the detection convenience and maintenance personnel of clamp on amperemeter is promoted well.
Description
Technical field
The present invention relates to electric device maintenance tool more particularly to a kind of clamps on amperemeter based on Rogowski coil.
Background technique
Existing power equipment break down when, especially when total security tripping have a power failure after determine leak current fault point generally using pincers
Type ammeter carries out whole inspection to all routes in entire platform area, needs to survey the several strands of conducting wires on whole road often in troubleshooting procedure
Residual current is measured, but existing clamp ammeter bayonet is smaller, it many times can not be by the conducting wire of dispersion or thicker cable
It measures, very big difficulty is brought to accident maintenance.
Summary of the invention
The purpose of the present invention is to provide a kind of clamps on amperemeter easy to detect, easy to maintain.
In order to achieve the above object, the present invention adopts the following technical scheme: a kind of clamp on amperemeter based on Rogowski coil,
It powers including shell, the detection jaw set on shell upper end, the circuit board that is set in the housing and to circuit board and detection jaw
Battery, detects jaw and circuit board electrical connection, and shell is equipped with display screen, display screen and circuit board electrical connection, wherein further includes
With the Rogowski coil of circuit board electrical connection, the side wall of shell is equipped with switching switch, and switching switch and circuit board electrical connection, switching are opened
Closing has the first gear and the second gear, and detection jaw work when switching switching to the first gear, switching switching is extremely
Rogowski coil works when the second gear.
Further, the Rogowski coil includes coil case, connector and connecting line, connector include the first connecting pin,
Second connection end and third connecting pin, one end of coil case are connect with the first connecting pin, and the other end and second connection end activity connect
It connects, connecting line one end is connect with third connecting pin, the other end and circuit board electrical connection.
Further, the bottom end of the shell is equipped with socket, socket and circuit board electrical connection, and connecting line is equipped with matches with socket
The plug of conjunction.
Further, the coil case is flexible coil.
Further, the periphery of the detection jaw is provide with the shielding case being equipped with for shielding other conduct pieces.
Further, rounded after the detection jaw closure, the shape of shielding case and the shape of detection jaw match
Setting.
Further, the shielding case movable guard is set to the periphery of detection jaw and is detachably connected with shell.
Further, the detection jaw includes grips pincers and adjustable clamp, and shielding case includes fixed cover and movable guard, is fixed
Cover is correspondingly arranged with grips pincers, and movable guard is correspondingly arranged with adjustable clamp and acts with adjustable clamp.
Further, the shielding case is metallic shield.
Further, the detection jaw side is equipped with the button for detecting jaw folding, button and switching switch position
In not the same side.
After adopting the above technical scheme, the present invention has the advantage that
1, in the present invention, by the way that the Rogowski coil with circuit board electrical connection is arranged on clamp on amperemeter, and in shell
Side wall setting is switched with the switching of circuit board electrical connection, by switching switching switch so that the detection jaw of clamp on amperemeter and
Rogowski coil can work independently, i.e., there are two types of detection functions for clamp on amperemeter tool, greatly improve the multi-functional of clamp on amperemeter
Property, and when encountering the case where not being suitable for detecting jaw detection, it can be detected, be measured with Rogowski coil, so as to accurate
Positioning failure client helps client's debugging in time, reduces the fault outage time, improves line powering reliability.Ensure visitor
The Electrical Safety at family reduces the generation of person electric shock injury accident.The initiative of the last 100 meters of failed services of control, Ke Yi
Accomplish to search fault point rapidly after total security trips and exclude in time, realizes the target and requirement of " good service ".It that is to say, such as
This setting can promote the maintenance convenience of the detection convenience and maintenance personnel of clamp on amperemeter well.
2, Rogowski coil includes coil case, connector and connecting line, connector include the first connecting pin, second connection end and
Third connecting pin, one end of coil case are connect with the first connecting pin, and the other end is flexibly connected with second connection end, connecting line one end
It is connect with third connecting pin, the other end and circuit board electrical connection, the Rogowski coil of such structure is not only convenient for all types of conducting wires
It detected, measured, to guarantee the accuracy of detection, measurement, while also facilitated the connection between clamp on amperemeter, facilitate dimension
Shield personnel operation.
3, by the way that socket is arranged in the bottom end of shell, and socket and circuit board electrical connection, connecting line are equipped with and socket cooperation
Plug so that it is convenient to mating between Rogowski coil and clamp on amperemeter, and it is mating reliable, be not easy to loosen, with
Guarantee accuracy when detection and measurement.
4, coil case is arranged to flexible coil, so that coil case is deformable, is suitable for the to be detected of different shapes and sizes
Equipment, greatly promotes the detection popularity of Rogowski coil, to promote the detection popularity of clamp on amperemeter.
5, by the way that the shielding case of other maskable conduct pieces is arranged in the periphery of detection jaw, so that detection jaw is detecting
It will not be influenced by other conduct pieces or power equipment when power equipment, to promote the accurate of the detection and measurement for detecting jaw
Property, so as to which failure client is accurately positioned, client's debugging is helped in time, reduces the fault outage time, improves line powering
Reliability.
6, rounded after detection jaw closure, and shielding case is shaped to and is matched with the shape of detection jaw,
The maximum detecting size that can guarantee detection jaw well in this way can accommodate larger sized measurement equipment to be checked, promote detection
The detection popularity of jaw, and the shield effectiveness of shielding case is good, guarantees the accuracy of the detection of detection jaw, measurement.
7, shielding case movable guard is set to the periphery of detection jaw and is detachably connected with shell, is detecting, is measuring in this way
Bi Hou is stored after can removing shielding case, facilitates the storage of clamp on amperemeter entirety.
8, detection jaw includes grips pincers and adjustable clamp, and shielding case includes fixed cover and movable guard, fixes cover and grips pincers
It is correspondingly arranged, movable guard is correspondingly arranged with adjustable clamp and acts with adjustable clamp, shielding case is arranged to two parts in this way, a part
It is fixed with grips pincers, another part is with adjustable clamp activity, when so that detecting, without being individually sheathed on shielding case, directly to detection
Jaw is operated, and shielding case is acted with detection jaw, improves operating conveniently for clamp on amperemeter well
Property.
9, shielding case is arranged to metallic shield, greatly improves the shield effectiveness of shielding case, to improve detection
The accuracy of jaw detection, measurement.
10, by the way that the button for detecting jaw folding is arranged in detection jaw side so that it is convenient to detect opening for jaw
It closes, and button and switching switch is arranged in not the same side, so that button and switching are opened in operation button and switching switch
Pass will not interact, and guarantee easy to operate and work is independent, is independent of each other.
Detailed description of the invention
The present invention will be further explained below with reference to the attached drawings:
Fig. 1 is the structural schematic diagram of clamp on amperemeter embodiment one of the present invention.
Fig. 2 is the connection schematic diagram of Rogowski coil in clamp on amperemeter embodiment one of the present invention.
Fig. 3 is the partial structural diagram of clamp on amperemeter embodiment two of the present invention.
Fig. 4 is the structural schematic diagram of shielding case in clamp on amperemeter embodiment three of the present invention.
Marked the names of the parts are as follows in figure:
1, shell；11, display screen；12, socket；2, jaw is detected；21, grips pincers；22, adjustable clamp；3, Rogowski coil；
31, coil case；32, connector；321, the first connecting pin；322, second connection end；323, third connecting pin；33, connecting line；
331, plug；4, switching switch；5, button；6, shielding case；61, fixed cover；62, movable guard.
Specific embodiment
Below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.It is to be appreciated that following
"upper", "lower", "left", "right", " longitudinal direction ", " transverse direction ", "inner", "outside", "vertical", "horizontal", "top", the instructions side such as "bottom"
The word of position or positional relationship is based only upon orientation or positional relationship shown in the drawings, retouches only for the purposes of the description present invention and simplification
It states, rather than device/element of indication or suggestion meaning must have a particular orientation or be constructed and operated in a specific orientation,
Therefore it is not considered as limiting the invention.
Embodiment one:
As shown in Fig. 1 to 2, the present invention provides a kind of clamp on amperemeter based on Rogowski coil, including shell 1, is set to shell
1 upper end of body detection jaw 2, the circuit board (not shown) in shell 1 and to circuit board and detection jaw 2 power
Battery (not shown), shell 1 are plastic casing, detect jaw 2 and circuit board electrical connection, and shell 1 is equipped with display screen 11,
Display screen 11 and circuit board electrical connection, display screen 11 are fixed on circuit board to form electrical connection by soldering, and battery is charging
Battery can charge the battery after the electric quantity consumption of battery is complete, and realization recycles, energy conservation and environmental protection.
In the present embodiment, clamp on amperemeter further includes the Rogowski coil 3 with circuit board electrical connection, and the side wall of shell 1 is equipped with
Switch switch 4, switch switch 4 and circuit board electrical connection, switching switch 4 has the first gear and the second gear, and switching switch 4 is cut
Detection jaw 2 works when shifting to the first gear, and Rogowski coil 3 works when switching switch 4 switches to the second gear, by cutting
Switch is changed, so that the detection jaw and Rogowski coil of clamp on amperemeter can work independently, i.e., there are two types of detections for clamp on amperemeter tool
Function greatly improves the multifunctionality of clamp on amperemeter, and when encountering the case where not being suitable for detecting jaw detection, can use
Rogowski coil is detected, is measured, and so as to which failure client is accurately positioned, is helped client's debugging in time, is reduced failure and stop
The electric time improves line powering reliability.Ensure the Electrical Safety of client, reduces the generation of person electric shock injury accident.Control
The initiative of last 100 meters of failed services can accomplish to search fault point rapidly after total security trips and exclude in time, realize
The target and requirement of " good service ".It that is to say, the detection convenience and dimension that can promote clamp on amperemeter well is arranged such
The maintenance convenience of shield personnel.
Specifically, Rogowski coil 3 includes coil case 31, connector 32 and connecting line 33, connector 32 includes the first connection
End 321, second connection end 322 and third connecting pin 323, one end of coil case 31 are connect with the first connecting pin 321, the other end and
Second connection end 322 is flexibly connected, and 33 one end of connecting line is connect with third connecting pin 323, the other end and circuit board electrical connection, this
The Rogowski coil of kind structure, is not only convenient for detecting all types of conducting wires, measure, to guarantee the accuracy of detection, measurement, together
When also facilitate connection between clamp on amperemeter, maintain easily personnel's operation；Certainly, can understand, coil case 31, connector
32 and connecting line 33 inside be equipped with plain conductor for electrical connection.
And socket 12 is arranged in the bottom end of shell 1, and socket 12 and circuit board electrical connection, connecting line 33 are equipped with and socket 12
The plug 331 of cooperation is not easy so that it is convenient to mating between Rogowski coil and clamp on amperemeter and mating reliable
It loosens, accuracy when guaranteeing detection and measurement.
Coil case 31 can be arranged to flexible wires by the detection in order to facilitate coil case to all types of conducting wires and each conduct piece
Circle, so that coil case is deformable, is suitable for the measurement equipment to be checked of different shapes and sizes, the detection for greatly promoting Rogowski coil is wide
General property, to promote the detection popularity of clamp on amperemeter.
It, can be in the setting of detection 2 side of jaw for detecting the button of jaw folding in order to facilitate the folding of detection jaw
5, button 5 and switching switch 4 positioned at not the same side, that is to say positioned at shell 1 not the same side so that it is convenient to detect opening for jaw
It closes, and button and switching switch is arranged in not the same side, so that button and switching are opened in operation button and switching switch
Pass will not interact, and guarantee easy to operate and work is independent, is independent of each other；Also, it detects jaw 2 to include grips pincers 21 and live
Dynamic pincers 22, button 5 are located at 22 side of adjustable clamp, and adjustable clamp 22 is especially by hingedly with formation activity, so that detecting jaw 2
It is retractable.
Embodiment two:
It is equipped with the difference between this embodiment and the first embodiment lies in the periphery for detecting jaw is provide with for shielding other conduct pieces
Shielding case.
In the present embodiment, as shown in figure 3, the periphery of detection jaw 2 is provide with the shielding being equipped with for shielding other conduct pieces
Cover 6, so that detection jaw will not be influenced when detecting power equipment by other conduct pieces or power equipment, to promote detection
The accuracy of detection and the measurement of jaw helps client's debugging in time, reduces failure so as to which failure client is accurately positioned
Power off time improves line powering reliability.
Specifically, detection jaw 2 is rounded after being closed, the shape of shielding case 6 matches with the shape for detecting jaw 2 to be set
It sets, i.e., shielding case 6 is also rounded, can guarantee the maximum detecting size for detecting jaw well in this way, can accommodate larger size
Measurement equipment to be checked, promote the detection popularity of detection jaw, and the shield effectiveness of shielding case is good, guarantee the detection of detection jaw,
The accuracy of measurement；Also, shielding case 6 is arranged to metallic shield, greatly improves the shield effectiveness of shielding case, to mention
The accuracy of the detection of detection jaw, measurement is risen.
And detection jaw 2 includes grips pincers 21 and adjustable clamp 22, shielding case 6 includes fixing cover 61 and movable guard 62, fixed
Cover 61 is correspondingly arranged with grips pincers 21, and movable guard 62 and adjustable clamp 22 are correspondingly arranged and act with adjustable clamp 22, in this way will shielding
It is provide with and is set to two parts, a part is fixed with grips pincers, and another part is with adjustable clamp activity, so that being not necessarily to individually set when detection
Set on shielding case, directly detection jaw is operated, and shielding case is acted with detection jaw, is improved well
The operation ease of clamp on amperemeter.
Other not described part-structures and its advantages are the same as example 1, and are no longer repeated one by one here.
Embodiment three:
The difference between the present embodiment and the second embodiment lies in that the structure of shielding case is different.
In the present embodiment, as shown in figure 4, shielding case 6 is integral structure, and 6 movable guard of shielding case is set to detection jaw
Periphery and be detachably connected with shell, in this way detection, measurement after, stored after shielding case being removed, facilitate pincer
The storage of ammeter entirety.
Other not described part-structures and its advantages are identical as embodiment two, no longer repeat one by one here.
In addition to above preferred embodiment, there are other embodiments of the invention, and those skilled in the art can be according to this
Invention makes various changes and modifications, and as long as it does not depart from the spirit of the invention, should belong to appended claims of the present invention and determines
The range of justice.
Claims (10)
1. a kind of clamp on amperemeter based on Rogowski coil, including shell, set on shell upper end detection jaw, be set in the housing
Circuit board and the battery powered to circuit board and detection jaw, detect jaw and circuit board electrical connection, shell is equipped with display
Screen, display screen and circuit board electrical connection, which is characterized in that further include the Rogowski coil with circuit board electrical connection, the side wall of shell
It is switched equipped with switching, switching switch and circuit board electrical connection, switching switch has the first gear and the second gear, and switching switch is cut
Detection jaw work when shifting to the first gear, Rogowski coil works when switching switching to the second gear.
2. clamp on amperemeter according to claim 1, which is characterized in that the Rogowski coil includes coil case, connector
And connecting line, connector include the first connecting pin, second connection end and third connecting pin, one end of coil case and the first connecting pin
Connection, the other end are flexibly connected with second connection end, and connecting line one end is connect with third connecting pin, and the other end is electrically connected with circuit board
It connects.
3. clamp on amperemeter according to claim 2, which is characterized in that the bottom end of the shell be equipped with socket, socket with
Circuit board electrical connection, connecting line are equipped with the plug cooperated with socket.
4. clamp on amperemeter according to claim 2, which is characterized in that the coil case is flexible coil.
5. clamp on amperemeter according to claim 1, which is characterized in that the periphery of the detection jaw, which is provide with to be equipped with, to be used for
Shield the shielding case of other conduct pieces.
6. clamp on amperemeter according to claim 5, which is characterized in that rounded, shielding after the detection jaw closure
The shape of cover and the shape of detection jaw match setting.
7. clamp on amperemeter according to claim 5, which is characterized in that the shielding case movable guard is set to detection jaw
It periphery and is detachably connected with shell.
8. clamp on amperemeter according to claim 5, which is characterized in that the detection jaw includes grips pincers and activity
Pincers, shielding case include fixed cover and movable guard, and fixed cover being correspondingly arranged with grips pincers, movable guard be correspondingly arranged with adjustable clamp and with
Adjustable clamp movement.
9. clamp on amperemeter according to claim 5, which is characterized in that the shielding case is metallic shield.
10. clamp on amperemeter according to claim 1, which is characterized in that the detection jaw side is equipped with for detecting
The button of jaw folding, button and switching switch are located at not the same side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019100412038 | 2019-01-16 | ||
| CN201910041203 | 2019-01-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110244103A true CN110244103A (en) | 2019-09-17 |
Family
ID=67883076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910222397.1A Pending CN110244103A (en) | 2019-01-16 | 2019-03-22 | A kind of clamp on amperemeter based on Rogowski coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110244103A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147395A (en) * | 2020-09-25 | 2020-12-29 | 广东电网有限责任公司广州供电局 | Clamp-on ammeter adapter and current measuring device |
| CN113189393A (en) * | 2021-04-28 | 2021-07-30 | 合肥工业大学 | Telescopic current clamp meter with controllable jaw |
| CN113484796A (en) * | 2021-06-30 | 2021-10-08 | 江苏日月星辰光电科技有限公司 | Street lamp line detector |
| CN114035106A (en) * | 2021-10-19 | 2022-02-11 | 广西电网有限责任公司防城港供电局 | PT secondary side multipoint grounding fault finder based on multimode current measurement |
| CN114325048A (en) * | 2021-12-27 | 2022-04-12 | 南方电网数字电网研究院有限公司 | Self-energy-taking flexible current measuring device |
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| US20160091535A1 (en) * | 2014-09-25 | 2016-03-31 | Fluke Corporation | Wireless rogowski coil system |
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| EP2275827A2 (en) * | 2009-07-17 | 2011-01-19 | Fluke Corporation | Clamp-on multimeters including a rogowski coil for measuring alternating current in a conductor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112147395A (en) * | 2020-09-25 | 2020-12-29 | 广东电网有限责任公司广州供电局 | Clamp-on ammeter adapter and current measuring device |
| CN112147395B (en) * | 2020-09-25 | 2024-02-27 | 广东电网有限责任公司广州供电局 | Clamp ammeter adapter and current measuring device |
| CN113189393A (en) * | 2021-04-28 | 2021-07-30 | 合肥工业大学 | Telescopic current clamp meter with controllable jaw |
| CN113484796A (en) * | 2021-06-30 | 2021-10-08 | 江苏日月星辰光电科技有限公司 | Street lamp line detector |
| CN114035106A (en) * | 2021-10-19 | 2022-02-11 | 广西电网有限责任公司防城港供电局 | PT secondary side multipoint grounding fault finder based on multimode current measurement |
| CN114325048A (en) * | 2021-12-27 | 2022-04-12 | 南方电网数字电网研究院有限公司 | Self-energy-taking flexible current measuring device |
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