CN110660573A - Non-contact disassembly detection mutual inductor - Google Patents
Non-contact disassembly detection mutual inductor Download PDFInfo
- Publication number
- CN110660573A CN110660573A CN201911061903.XA CN201911061903A CN110660573A CN 110660573 A CN110660573 A CN 110660573A CN 201911061903 A CN201911061903 A CN 201911061903A CN 110660573 A CN110660573 A CN 110660573A
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- Prior art keywords
- cable
- reed
- base
- contact
- clamping seat
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- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 57
- 244000273256 Phragmites communis Species 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 239000011261 inert gas Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000006698 induction Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H01F27/402—Association of measuring or protective means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase ac
- H01F38/28—Current transformers
- H01F38/30—Constructions
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Switches That Are Operated By Magnetic Or Electric Fields (AREA)
Abstract
The invention belongs to the technical field of mutual inductors, and particularly relates to a non-contact disassembly detection mutual inductor which comprises a mutual inductor, wherein the mutual inductor comprises a cable clamping seat and a cable base which are arranged up and down, a hinge is arranged at one end of the joint of the cable base and the cable clamping seat, the cable base and the cable clamping seat are rotationally connected through the hinge, cable clamping grooves with arc structures are symmetrically formed in one end, abutted against the cable base and the cable clamping seat, a magnet piece is arranged inside the cable base, two magnetic pole end columns on the magnet piece penetrate through the upper surface of the cable base, the two magnetic pole end columns are symmetrical, a reed pipe is arranged inside the cable clamping seat, two reeds are arranged inside the reed pipe, and one end, close to each reed, of the two reeds is symmetrically connected with a contact part; the invention does not change the external structure of the mutual inductor, adopts a non-contact and magnetic induction mode, and increases the detection of opening looseness or opening.
Description
Technical Field
The invention belongs to the technical field of mutual inductors, and particularly relates to a non-contact disassembly detection mutual inductor.
Background
The open type current transformer is mainly applied to a power distribution system transformation project, is convenient to install, does not need to disassemble a bus, can be operated with electricity, does not influence the normal electricity utilization of a client, saves manpower, material resources and financial resources for the user transformation project, and improves the efficiency. The series of current transformers can be matched with relay protection, measurement and metering devices for use.
The current transformer on the market only has the function of simple current collection, and the buckle disconnection or the loose mouth of unable detection current transformer leads to current transformer to appear damaging and unable in time learn when breaking down, causes the equipment of installation to appear damaging, has the potential safety hazard.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a non-contact disassembly detection mutual inductor which has the characteristics that the external structure of the mutual inductor is not changed, and the opening looseness or opening detection is increased by adopting a non-contact and magnetic induction mode.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a non-contact dismantles and detects mutual-inductor, includes the mutual-inductor, the mutual-inductor includes cable cassette, the cable base that sets up from top to bottom, the cable base with the junction one end of cable cassette is provided with the hinge, the cable base with pass through between the cable cassette the hinge rotates to be connected, just the cable base with the cable draw-in groove of arc structure is seted up to the one end symmetry that the cable cassette was contradicted, the internally mounted of cable base has the magnet piece, two magnetic pole end posts on the magnet piece all run through the upper surface of cable base, symmetrical, the internally mounted of cable cassette has the tongue tube, the inside of tongue tube is provided with two reeds, two the one end symmetric connection that the reed is close to has contact portion, two reeds on the tongue tube all run through the lower surface of cable cassette.
Further, as a preferred technical solution of the present invention, when the cable base and the cable clamping seat are closed, the magnetic pole end post penetrates through the end surface of the cable base and is adsorbed by the end surface of the reed penetrating through the cable clamping seat.
Further, as a preferable aspect of the present invention, when the spring pieces are attracted to the magnetic pole end posts, the two contact portions of the two spring pieces are closed.
Further, as a preferred technical solution of the present invention, when the cable base is separated from the cable clamping seat, the magnetic pole end post penetrates through the end surface of the cable base and is separated from the end surface of the reed penetrating through the cable clamping seat.
Further, in a preferred embodiment of the present invention, when the spring piece is separated from the magnetic pole end post, the two contact portions of the two spring pieces are separated.
Furthermore, as a preferable technical scheme of the invention, one end of the two reeds penetrating through the outer wall of the reed pipe is adhered with insulating resin, and an inert gas chamber is arranged in the reed pipe.
Further, as a preferred technical scheme of the present invention, a raised buckle is fixed on the cable clamp seat, a raised buckle positioning piece is fixed on the cable base, a groove matched with the buckle positioning piece is formed on the buckle, and the cable clamp seat and the hinge are fixedly connected through the buckle and the buckle positioning piece.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention does not change the external structure of the mutual inductor, adopts a non-contact and magnetic induction mode, and increases the detection of opening looseness or opening.
2. The reed switch has the characteristics of simple structure and sensitive magnetic induction, and can be used for quickly detecting the disconnection of the open-close type mutual inductor.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a closed structure of a transformer according to the present invention;
FIG. 2 is a schematic diagram of a separated structure of the transformer of the present invention;
FIG. 3 is a schematic diagram of a closed internal structure of the transformer of the present invention;
FIG. 4 is a schematic diagram of a separated internal structure of the transformer of the present invention;
FIG. 5 is a schematic view of the interior of the reed pipe according to the present invention;
in the figure: 1. a transformer; 11. a cable base; 12. a cable clamp seat; 13. a hinge; 14. buckling; 15. a buckle positioning piece; 2. a reed switch; 21. a reed; 22. a contact portion; 23. an inert gas chamber; 3. a magnet piece; 31. a pole end post.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, the invention provides a non-contact disassembly detection mutual inductor, wherein the mutual inductor 1 comprises a cable clamping seat 12 and a cable base 11 which are arranged up and down, a hinge 13 is arranged at one end of a joint of the cable base 11 and the cable clamping seat 12, the cable base 11 and the cable clamping seat 12 are rotatably connected through the hinge 13, cable clamping grooves with arc structures are symmetrically formed in one end, abutted against the cable base 11 and the cable clamping seat 12, a raised buckle 14 is fixed on the cable clamping seat 12, a raised buckle positioning part 15 is fixed on the cable base 11, a groove matched with the buckle positioning part 15 is formed in the buckle 14, and the cable clamping seat 12 and the hinge 13 are fixedly connected through the buckle 14 and the buckle positioning part 15.
As an example of opening and closing of the transformer: hinge 13 through cable base 11 top overturns, overturns through the hinge between cable cassette 12 and the cable base 11, carries out opening of mutual-inductor 1, and when closing, hinge 13 reverse upset, the groove embedding buckle setting element 15 of seting up on buckle 14 of cable cassette 12 is closed with cable cassette 12 and cable base 11, and two arc structure cable draw-in grooves after the closure cooperate and form circular logical groove, can go into the cable card and install fixedly in mutual-inductor 1 inside.
Example 2
Referring to fig. 3-4, the present invention provides a non-contact disassembly detection transformer, a magnet piece 3 is installed inside a cable base 11, two magnetic pole end posts 31 on the magnet piece 3 both penetrate through the upper surface of the cable base 11, symmetrically, a reed pipe 2 is installed inside a cable clamp seat 12, two reeds 21 are arranged inside the reed pipe 2, one ends of the two reeds 21 close to each other are symmetrically connected with a contact part 22, and the two reeds 21 on the reed pipe 2 both penetrate through the lower surface of the cable clamp seat 12.
It should be noted that:
1. when the cable base 11 and the cable holder 12 are closed, the end face of the pole end post 31 penetrating through the cable base 11 and the end face of the reed 21 penetrating through the cable holder 12 are adsorbed, and when the reed 21 and the pole end post 31 are adsorbed, the two contact parts 22 on the two reeds 21 are closed.
2. When the cable base 11 and the cable holder 12 are separated, the end face of the pole end post 31 penetrating through the cable base 11 is separated from the end face of the reed 21 penetrating through the cable holder 12, and when the reed 21 is separated from the pole end post 31, the two contact portions 22 on the two reeds 21 are separated.
In this embodiment, when mutual inductor 1 is closed, two reed 21 that the reed pipe 2 was adsorbed respectively to two magnetic pole end post 31 at magnet piece 3 both ends, contact portion 22 on two reed 21 adsorbs, form the route, can confirm that mutual inductor 1 is closed stably, otherwise when mutual inductor 1 separates, reed 21 keeps away from magnetic pole end post 31, reed 21 is not being adsorbed by magnetic force, contact portion 22 takes place to separate, the disconnection 2 of reed pipe explains that the disconnection appears in mutual inductor 1, the equipment that accessible mutual inductor 1 connects reminds user mutual inductor 1 to appear the disconnection trouble.
Example 2
Referring to fig. 5, an insulating resin is adhered to one end of the two reeds 21 penetrating through the outer wall of the reed pipe 2, and an inert gas chamber 23 is installed inside the reed pipe 2.
The invention provides a working principle of a reed pipe 2 matched with a magnet piece 3, wherein two strong magnetic reeds are arranged in a glass pipe of the reed pipe, the two strong magnetic reeds are arranged at one end in the pipe to be opposite to each other with a certain gap, inert gas is sealed in the glass pipe, meanwhile, rhodium or iridium is plated at a contact part to prevent the activation of the contact, the reed pipe induces an N pole and an S pole for the reeds by using a coil or a permanent magnet, then, the attraction starts due to the magnetic attraction, and when a magnetic field is relieved, the contact is immediately restored to the original state and a circuit is opened due to the elasticity of the reeds.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a non-contact dismantles and detects mutual-inductor, includes mutual-inductor (1), mutual-inductor (1) is including cable cassette (12), cable base (11) that set up from top to bottom, cable base (11) with the junction one end of cable cassette (12) is provided with hinge (13), cable base (11) with pass through between cable cassette (12) hinge (13) rotate the connection, just cable base (11) with the cable draw-in groove of arc structure is seted up to the one end symmetry that cable cassette (12) contradicted, its characterized in that: the utility model discloses a cable base, including cable base (11), two magnetic pole end posts (31) on the magnet piece (3) all run through the upper surface of cable base (11), the symmetry, the internally mounted of cable cassette (12) has tongue tube (2), the inside of tongue tube (2) is provided with two reed (21), two the one end symmetric connection that reed (21) are close to has contact portion (22), two reed (21) on tongue tube (2) all run through the lower surface of cable cassette (12).
2. The non-contact disassembly detection transformer of claim 1, wherein: when the cable base (11) and the cable clamping seat (12) are closed, the magnetic pole end column (31) penetrates through the end face of the cable base (11) and the reed (21) penetrates through the end face of the cable clamping seat (12) to be adsorbed.
3. The non-contact disassembly detection transformer of claim 2, wherein: when the reed (21) is attracted to the magnetic pole end post (31), the two contact parts (22) on the two reeds (21) are closed.
4. The non-contact disassembly detection transformer of claim 1, wherein: when the cable base (11) is separated from the cable clamping seat (12), the magnetic pole end column (31) penetrates through the end face of the cable base (11) and is separated from the end face of the reed (21) penetrating through the cable clamping seat (12).
5. The non-contact disassembly detection transformer of claim 4, wherein: when the reed (21) is separated from the magnetic pole end post (31), the two contact parts (22) on the two reeds (21) are separated.
6. The non-contact disassembly detection transformer of claim 1, wherein: insulating resin is adhered to one end, penetrating through the outer wall of the reed pipe (2), of each reed (21), and an inert gas chamber (23) is installed inside the reed pipe (2).
7. The non-contact disassembly detection transformer of claim 1, wherein: the cable fixing device is characterized in that a convex buckle (14) is fixed on the cable clamping seat (12), a convex buckle positioning part (15) is fixed on the cable base (11), a groove matched with the buckle positioning part (15) is formed in the buckle (14), and the cable clamping seat (12) is fixedly connected with the hinge (13) through the buckle (14) and the buckle positioning part (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061903.XA CN110660573A (en) | 2019-11-01 | 2019-11-01 | Non-contact disassembly detection mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061903.XA CN110660573A (en) | 2019-11-01 | 2019-11-01 | Non-contact disassembly detection mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110660573A true CN110660573A (en) | 2020-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911061903.XA Pending CN110660573A (en) | 2019-11-01 | 2019-11-01 | Non-contact disassembly detection mutual inductor |
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| Country | Link |
|---|---|
| CN (1) | CN110660573A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202494710U (en) * | 2012-03-08 | 2012-10-17 | 广西电网公司 | Pluggable electric energy meter anti-electric-larceny detection structure |
| CN202564049U (en) * | 2012-05-10 | 2012-11-28 | 山东电力集团公司济南供电公司 | Clamping device applied to current transformer |
| CN202661486U (en) * | 2012-05-10 | 2013-01-09 | 山东电力集团公司济南供电公司 | Clamping type sensor |
| CN104215807A (en) * | 2014-08-14 | 2014-12-17 | 河南开启电力实业有限公司 | Electricity larceny prevention sensor device of electricity meter box |
| CN105572448A (en) * | 2015-12-11 | 2016-05-11 | 谭焕玲 | Electricity stealing prevention device |
| CN205920148U (en) * | 2016-05-20 | 2017-02-01 | 国家电网公司 | High frequency current sensor for measurement of partial discharge |
| CN206236536U (en) * | 2016-10-26 | 2017-06-09 | 中国南方电网有限责任公司电网技术研究中心 | Current transformer |
| CN210403484U (en) * | 2019-11-01 | 2020-04-24 | 锱云(上海)物联网科技有限公司 | Non-contact disassembly detection mutual inductor |
-
2019
- 2019-11-01 CN CN201911061903.XA patent/CN110660573A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202494710U (en) * | 2012-03-08 | 2012-10-17 | 广西电网公司 | Pluggable electric energy meter anti-electric-larceny detection structure |
| CN202564049U (en) * | 2012-05-10 | 2012-11-28 | 山东电力集团公司济南供电公司 | Clamping device applied to current transformer |
| CN202661486U (en) * | 2012-05-10 | 2013-01-09 | 山东电力集团公司济南供电公司 | Clamping type sensor |
| CN104215807A (en) * | 2014-08-14 | 2014-12-17 | 河南开启电力实业有限公司 | Electricity larceny prevention sensor device of electricity meter box |
| CN105572448A (en) * | 2015-12-11 | 2016-05-11 | 谭焕玲 | Electricity stealing prevention device |
| CN205920148U (en) * | 2016-05-20 | 2017-02-01 | 国家电网公司 | High frequency current sensor for measurement of partial discharge |
| CN206236536U (en) * | 2016-10-26 | 2017-06-09 | 中国南方电网有限责任公司电网技术研究中心 | Current transformer |
| CN210403484U (en) * | 2019-11-01 | 2020-04-24 | 锱云(上海)物联网科技有限公司 | Non-contact disassembly detection mutual inductor |
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