CN209000680U - Fixing device for current mutual inductor and straight-through current transformer fixed system - Google Patents
Fixing device for current mutual inductor and straight-through current transformer fixed system Download PDFInfo
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- CN209000680U CN209000680U CN201821810621.6U CN201821810621U CN209000680U CN 209000680 U CN209000680 U CN 209000680U CN 201821810621 U CN201821810621 U CN 201821810621U CN 209000680 U CN209000680 U CN 209000680U
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- current transformer
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- optical member
- mutual inductor
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Abstract
The utility model discloses a kind of fixing device for current mutual inductor and straight-through current transformer fixed systems, fixing device for current mutual inductor includes elastic supporting member for supporting optical member, the overlap aperture for being coupled with cable is offered on the elastic supporting member for supporting optical member, the elastic supporting member for supporting optical member includes support portion and positioning region, the positioning region connect with the top surface of the support portion and for fixing straight-through current transformer, is detachably equipped in the overlap aperture and struts part for strut the support portion.It is pressed on cable by overlap aperture, is then coupled straight-through current transformer and positioning region, without binding operation, installation is simple, occupies little space, and improve straight-through current transformer acceptable quality level, avoids fixing unreliable caused measurement error.
Description
Technical field
The utility model relates to current transformer technique for fixing more particularly to a kind of fixing device for current mutual inductor and wear
Core type current transformer fixed system.
Background technique
Currently, straight-through current transformer is widely used as a kind of common electrical device.Due to inside switch cabinet sky
Between it is limited, traditional fixed form (1) generallys use that binding strap is directly strapped on cable or (2) by nut are fixed on gold
On category, the fixed row of the increased metal of traditional fixed form (2) will affect the placement of other equipment, and installation also needs to weld,
Operation is excessively complicated, thus generally use it is more for mode (1), but in actual installation process, this mounting means there is also
Certain deficiency, since installation space is limited, binding difficulty is larger, in addition, the fixed effect of binding strap is also and insecure, mutual inductance
The phenomenon that device loosens often causes mutual inductor measurement error larger, or even protective device is caused to malfunction.
Utility model content
Based on this, the purpose of this utility model is to provide a kind of fixing device for current mutual inductor and centre path current are mutual
Sensor fixed system not only installs simple and fixed high reliablity.
The technical solution of the utility model are as follows:
A kind of fixing device for current mutual inductor, including elastic supporting member for supporting optical member, offer on the elastic supporting member for supporting optical member for electricity
The overlap aperture that cable is coupled, the elastic supporting member for supporting optical member include support portion and positioning region, the positioning region and the support portion
Top surface connects and for fixing straight-through current transformer, is detachably equipped with for strutting the resilient support in the overlap aperture
Part struts part.
Above-mentioned fixing device for current mutual inductor, due to being detachably equipped with for strutting strutting for elastic supporting member for supporting optical member in overlap aperture
Part will strut under part disassembly so elastic supporting member for supporting optical member is installed on cable end piece or joint after treatment by overlap aperture
It is fixed on cable just can depend on, straight-through current transformer is coupled with positioning region and is positioned, and positioning region is filled in
In the perforation space of straight-through current transformer, prevents the big distance of straight-through current transformer mobile and protect cable, support portion
Straight-through current transformer is supported, straight-through current transformer is firmly fixed on cable by realization.The fixed form is simple
It without other auxiliary fixing devices, occupies little space, installation is simple, and fixed high reliablity, avoids fixing unreliable caused
Measurement error.
In one of the embodiments, further include fixing piece, is offered on the fixing piece for cooperating with the cable
The through-hole of installation, the fixing piece is for being against the one end of the straight-through current transformer far from the elastic supporting member for supporting optical member.
The fixing piece includes press section and insertion section in one of the embodiments, one end of the insertion section and institute
Press section connection is stated, the other end of the insertion section is for being inserted into the straight-through current transformer.
The outer diameter of the press section is greater than the internal diameter of the straight-through current transformer in one of the embodiments,.
The insertion section is tapered in one of the embodiments, and one end insertion punching that insertion section outer diameter is small
In formula current transformer.
The positioning region is the matched positioning of internal diameter with the straight-through current transformer in one of the embodiments,
Ring.
The support portion is round table-like cold shrink tube in one of the embodiments,.
It is described in one of the embodiments, to strut the bushing that part is plastic spiral item or split type structure.
The fixing piece is silicon rubber cap in one of the embodiments,.
Present invention also provides a kind of straight-through current transformer fixed systems, including elastic supporting member for supporting optical member, cable and punching
Formula current transformer offers the overlap aperture for being coupled with cable on the elastic supporting member for supporting optical member, can in the overlap aperture
Disassembly is equipped with the part that struts for strutting the elastic supporting member for supporting optical member, and the straight-through current transformer is equipped with for matching with cable
The perforation of installation is closed, the elastic supporting member for supporting optical member and the straight-through current transformer are set on the cables, the elasticity
Supporting element includes support portion and positioning region, and the positioning region is connect with the top surface of the support portion, and institute positioning region stretches to institute
State in the perforation of straight-through current transformer, when it is described strut part and detach the overlap aperture after, the elastic supporting member for supporting optical member shrinks solid
Determine on the cables.
Above-mentioned straight-through current transformer fixed system, by overlap aperture pass through cable detach strut part can by elasticity prop up
Support member contraction is fixed on cable, and without binding operation, installation is simple；Straight-through current transformer can be covered by perforation in cable
On, and positioning region is protruded into the perforation of straight-through current transformer and is positioned, support portion supports straight-through current transformer, makes
It is fixed on specified location；Compared to traditional fixed form, fixed system installation is simply not necessarily to other auxiliary fixing devices,
It occupies little space, and fixed high reliablity avoids fixing unreliable draw to improve straight-through current transformer acceptable quality level
The measurement error risen.
Detailed description of the invention
Fig. 1 is the schematic diagram of fixing device for current mutual inductor described in the utility model embodiment；
Fig. 2 is the structural schematic diagram of straight-through current transformer fixed system described in the utility model embodiment.
Description of symbols:
100, elastic supporting member for supporting optical member, 110, support portion, 111, positioning region, 120, overlap aperture, 121, strut part, 200, punching
Current transformer, 300, fixing piece, 310, through-hole, 320, press section, 321, insertion section, 400, cable.
Specific embodiment
It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the protection scope of the utility model is not limited.
It should be noted that when element is referred to as " being fixedly arranged on ", " being set to " or " install in " another element, it can be with
Directly on the other element or there may also be elements placed in the middle.When an element is considered as " connection " another yuan
Part, it can be directly to another element or may be simultaneously present centering elements；One element and another element
The concrete mode being fixedly connected can be achieved by the prior art, and details are not described herein, it is preferred to use the fixation side of threaded connection
Formula.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein packet
Include any and all combinations of one or more related listed items.
" first " described in the utility model, " second " do not represent specific quantity and sequence, are only used for title
It distinguishes.
Ginseng as shown in FIGS. 1 and 2, an embodiment provides a kind of fixing device for current mutual inductor, including elastic supporting member for supporting optical member 100, institute
The overlap aperture 120 offered on elastic supporting member for supporting optical member 100 for being coupled with cable 400 is stated, the elastic supporting member for supporting optical member 100 includes
Support portion 110 and positioning region 111, the positioning region 111 connect with the top surface of the support portion 110 and for fixing punching electricity
Current transformer 200 is detachably equipped in the overlap aperture 120 and struts part 121 for strut the elastic supporting member for supporting optical member 100.
The fixing device for current mutual inductor of the present embodiment, due to being detachably equipped with for strutting elastic branch in overlap aperture 120
Support member 100 struts part 121, so elastic supporting member for supporting optical member 100 is installed on 400 end of cable after treatment by overlap aperture 120
End or joint, will strut part 121 and disassemble just to depend on and be fixed on cable 400, then straight-through current transformer 200
It is coupled and is fixed with positioning region 111, positioning region 111 is filled in the perforation space of straight-through current transformer 200, is prevented
Only the distance greatly of straight-through current transformer 200 is mobile and protects cable 400, and support portion 110 supports straight-through current transformer
200, straight-through current transformer 200 is firmly fixed on cable 400 by realization.The fixed form is simply not necessarily to other auxiliary
Fixed device, occupies little space, and installation is simple, and fixed high reliablity, avoids fixing unreliable caused measurement error.And
Elastic supporting member for supporting optical member 100 has elasticity, and when design can reserve certain size, is applicable to different manufacturers under same voltage class
On cable 400, applicability is improved.
Wherein, in the present embodiment, the part 121 that struts is plastic spiral item, by plastic spiral item to resilient support
Part 100 is strutted, and installation is facilitated, and takes out plastic spiral item after being installed again, extraction is convenient, and elastic supporting member for supporting optical member 100 is in cold conditions
It is i.e. shrinkable down, so that the bore of overlap aperture 120 is become smaller, so that elastic supporting member for supporting optical member 100 be enable to be firmly secured on cable 400.
Certainly, in other embodiments, strutting part can also be used the bushing of split type structure, be carried out by bushing to overlap aperture 120 pre-
Expand, adopts a split structure simultaneously, facilitate extraction bushing, certainly, integrally formed bushing can also be used, integrally taken out when detaching
Out, it is extracted from 400 end of cable.
In one embodiment, the support portion 110 is round table-like cold shrink tube.It is fixed former using the contraction of cold shrink tube
Reason, is pressed on cable 400, round table-like cold shrink tube is small in size, weight is small, occupies little space, and installs also more simple.
And round table-like cold shrink tube is practical, suitable for mass production.
It is fixed described in the present embodiment in order to enable positioning region 111 to be preferably coupled with straight-through current transformer 200
Position portion 111 is the matched positioning ring of internal diameter with the straight-through current transformer 200.Centre path current is limited by positioning ring
Mutual inductor 200 is mobile, and neither influence overlap aperture 120 is attached on cable 400, and straight-through current transformer 200 can be prevented big
Distance is mobile and protects cable 400.
Further, for the fixation for keeping straight-through current transformer 200 more reliable, fixing device for current mutual inductor is also wrapped
Fixing piece 300 is included, the through-hole 310 for being coupled with the cable 400, the fixation are offered on the fixing piece 300
Part 300 is for being against the one end of the straight-through current transformer 200 far from the elastic supporting member for supporting optical member 100.Pass through fixing piece 300
Through-hole 310 penetrate cable 400, be then against the one end of straight-through current transformer 200 far from elastic supporting member for supporting optical member 100 so that
Straight-through current transformer 200 can obtain the effect of more firm fixation.
In one embodiment, the fixing piece 300 includes press section 320 and insertion section 321, the insertion section 321
One end connect with the press section 320, the other end of the insertion section 321 is for being inserted into the straight-through current transformer
In 200.Press section 320 can be convenient gripping and insertion section 321 be inserted into straight-through current transformer 200, so that fixing more
It is convenient, improve installation effectiveness.
Optionally, the outer diameter of the press section 320 is greater than the internal diameter of the straight-through current transformer 200.It can be convenient for
Power extracts fixing piece 300 and carries out the threading test of straight-through current transformer 200.
It does not cause to be lost to insert or pull out fixing piece 300 in straight-through current transformer 200, the insertion section
321 is tapered, and the small one end of 321 outer diameter of insertion section is inserted into the straight-through current transformer 200.Due to insertion section 321
It is tapered, and in the small one end insertion straight-through current transformer 200 of 321 outer diameter of insertion section, so that insertion section 321 can be suitable
In benefit indentation straight-through current transformer 200, installation effectiveness is improved, while being suitable for the straight-through current transformer of different inner diameters
200。
Optionally, the fixing piece 300 is silicon rubber cap.Silicon rubber cap can be convenient clamping straight-through current transformer
200, the vibration of straight-through current transformer 200 and gouge cable 400 are prevented, the reliability of its fixation is substantially increased.And silicon
The high resiliency of rubber cap, when design, can reserve certain size, be applicable under same voltage class on the cable of different manufacturers,
Improve applicability.
Referring to Fig.1,2, another embodiment additionally provides a kind of straight-through current transformer fixed system, including resilient support
Part 100, cable 400 and straight-through current transformer 200 offer on the elastic supporting member for supporting optical member 100 for cooperating with cable 400
The overlap aperture 120 of installation is detachably equipped in the overlap aperture 120 and struts part for strut the elastic supporting member for supporting optical member 100
121, the straight-through current transformer 200 is equipped with the perforation for being coupled with cable 400, the elastic supporting member for supporting optical member
100 and the straight-through current transformer 200 be sleeved on the cable 400, the elastic supporting member for supporting optical member 100 include support portion
110 with positioning region 111, and the positioning region 111 connect with the top surface of the support portion 110, and described in institute positioning region 111 stretches to
In the perforation of straight-through current transformer 200, when it is described strut part 121 and detach overlap aperture 120 after, the elastic supporting member for supporting optical member
100 contractions are fixed on the cable 400.
Elastic supporting member for supporting optical member 100 by overlap aperture 120 pass through cable 400, detach strut part 121 can be by elastic supporting member for supporting optical member
100 contractions are fixed on cable 400, and without binding operation, installation is simply；Straight-through current transformer 200 can be by wearing
Enter cable 400, elastic supporting member for supporting optical member 100 carries out positioning solid in the perforation by positioning region 111 and straight-through current transformer 200
Fixed, support portion 110 supports straight-through current transformer 200, it is made to be fixed on specified location；Compared to traditional fixed form,
Fixed system installation is simply not necessarily to other auxiliary fixing devices, occupies little space, and fixed high reliablity, to improve punching
Formula current transformer acceptable quality level avoids fixing unreliable caused measurement error.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of fixing device for current mutual inductor, which is characterized in that including elastic supporting member for supporting optical member, offered on the elastic supporting member for supporting optical member
Overlap aperture for being coupled with cable, the elastic supporting member for supporting optical member include support portion and positioning region, the positioning region with it is described
The top surface of support portion connects and for fixing straight-through current transformer, is detachably equipped in the overlap aperture described for strutting
Elastic supporting member for supporting optical member struts part.
2. fixing device for current mutual inductor according to claim 1, which is characterized in that it further include fixing piece, the fixation
The through-hole for being coupled with the cable is offered on part, the fixing piece is for being against the straight-through current transformer
One end far from the elastic supporting member for supporting optical member.
3. fixing device for current mutual inductor according to claim 2, which is characterized in that the fixing piece include press section with
Insertion section, one end of the insertion section are connect with the press section, and the other end of the insertion section is for being inserted into the punching
In formula current transformer.
4. fixing device for current mutual inductor according to claim 3, which is characterized in that the outer diameter of the press section is greater than institute
State the internal diameter of straight-through current transformer.
5. fixing device for current mutual inductor according to claim 3, which is characterized in that the insertion section is tapered, and inserts
Enter the small one end of portion's outer diameter to be inserted into the straight-through current transformer.
6. fixing device for current mutual inductor according to any one of claims 1 to 5, which is characterized in that the positioning region is
With the matched positioning ring of internal diameter of the straight-through current transformer.
7. fixing device for current mutual inductor according to any one of claims 1 to 5, which is characterized in that the support portion is
Round table-like cold shrink tube.
8. fixing device for current mutual inductor according to any one of claims 1 to 5, which is characterized in that the part that struts is
The bushing of plastic spiral item or split type structure.
9. fixing device for current mutual inductor according to any one of claims 2 to 5, which is characterized in that the fixing piece is
Silicon rubber cap.
10. a kind of straight-through current transformer fixed system, which is characterized in that including elastic supporting member for supporting optical member, cable and punching electricity
Current transformer, offers the overlap aperture for being coupled with cable on the elastic supporting member for supporting optical member, detachable in the overlap aperture
Equipped with the part that struts for strutting the elastic supporting member for supporting optical member, the straight-through current transformer is equipped with pacifies for cooperating with cable
The perforation of dress, the elastic supporting member for supporting optical member and the straight-through current transformer are set on the cables, the resilient support
Part includes support portion and positioning region, and the positioning region is connect with the top surface of the support portion, and institute positioning region stretches to described wear
In the perforation of core type current transformer, when it is described strut part and detach the overlap aperture after, the elastic supporting member for supporting optical member contraction is fixed on
On the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821810621.6U CN209000680U (en) | 2018-11-05 | 2018-11-05 | Fixing device for current mutual inductor and straight-through current transformer fixed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821810621.6U CN209000680U (en) | 2018-11-05 | 2018-11-05 | Fixing device for current mutual inductor and straight-through current transformer fixed system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209000680U true CN209000680U (en) | 2019-06-18 |
Family
ID=66807235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821810621.6U Active CN209000680U (en) | 2018-11-05 | 2018-11-05 | Fixing device for current mutual inductor and straight-through current transformer fixed system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209000680U (en) |
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2018
- 2018-11-05 CN CN201821810621.6U patent/CN209000680U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200924 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |
|
| TR01 | Transfer of patent right |