CN109036784A - Mutual inductor installation device - Google Patents
Mutual inductor installation device Download PDFInfo
- Publication number
- CN109036784A CN109036784A CN201810996110.6A CN201810996110A CN109036784A CN 109036784 A CN109036784 A CN 109036784A CN 201810996110 A CN201810996110 A CN 201810996110A CN 109036784 A CN109036784 A CN 109036784A
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- CN
- China
- Prior art keywords
- mutual inductor
- supporting case
- installation device
- cable
- inductor installation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- 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
- H01F27/06—Mounting, supporting or suspending transformers, reactors or choke coils not being of the signal type
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The present invention discloses a kind of mutual inductor installation device, comprising: supporting case has the front port and rear port for allowing cable to pass through for accommodating and positioning mutual inductor；Sealant tape, is wrapped in the supporting case and on the cable of the supporting case, for sealing the front port and rear port of the supporting case；And anticorrosion belt, it is wrapped on the sealant tape, the sealant tape is all wrapped in the anticorrosion belt.Therefore, in the present invention, mutual inductor can be reliably sealed in supporting case, so that mutual inductor can work long hours in water.
Description
Technical field
The present invention relates to a kind of mutual inductor installation devices, more particularly to one kind to be suitable for mutual inductor being sealably mounted at cable
On mounting device.
Background technique
The monitoring system of electric system had obtained more and more applications in power industry in recent years.But it is some it is remote and
Apart from the farther away region for needing to monitor in power station, need to be asked for without usable power supply in order to realize the transmission of monitoring and signal
Electricity.Mutual inductor is currently using a kind of more automatic electricity getting mode.In general, outdoors, especially in tunnel, be easy to causeing mutually
The case where sensor is flooded or runs in water for a long time.Therefore, mutual inductor installation device needs to have preferable waterproof performance, prevents
Water degree of protection need to reach IP68.But existing mutual inductor installation device cannot all reach this waterproof requirement.
Summary of the invention
The purpose of the present invention aims to solve the problem that at least one aspect of the above-mentioned problems in the prior art and defect.
According to an aspect of the present invention, a kind of mutual inductor installation device is provided, comprising: supporting case, for accommodating and determining
Position mutual inductor, has the front port and rear port for allowing cable to pass through；Sealant tape is wrapped in the supporting case and passes through described
On the cable of supporting case, for sealing the front port and rear port of the supporting case；And anticorrosion belt, it is wrapped in the sealant tape
On, the sealant tape is all wrapped in the anticorrosion belt.
The embodiment of an exemplary according to the present invention, the supporting case include the first box halfbody and are suitable for and described the
The second box halfbody that one box halfbody fits together；The supporting case is assembled by the first box halfbody and the second box halfbody
It forms.
The embodiment of another exemplary according to the present invention, the sealant tape are also used to seal the first box halfbody
Gap between the second box halfbody.
The embodiment of another exemplary according to the present invention, the sealant tape are wrapped in the electricity with half overlap mode
On the surface of cable and the supporting case；And the anticorrosion adhesive tape is wrapped in the cable and the supporting case with half overlap mode
Surface on.
The embodiment of another exemplary according to the present invention, the sealant tape is in the cable and the supporting case
Multilayer is wound on surface back and forth, the sealant tape is completely covered supporting case and beyond the supporting case, to be covered on one
Divide on cable；And the anticorrosion adhesive tape winds multilayer back and forth on the surface of the cable and the sealant tape, described anti-
Rotten adhesive tape is completely covered the sealant tape and beyond the sealant tape, to be covered on a part of cable.
The embodiment of another exemplary according to the present invention, the supporting case are suitable for accommodating and positioning multiple mutual inductors.
The embodiment of another exemplary according to the present invention is formed with multiple positioning grooves in the supporting case, described
Multiple mutual inductors are respectively positioned in the multiple positioning groove.
The embodiment of another exemplary according to the present invention, the two neighboring positioning groove in the multiple positioning groove
Between in the axial direction of supporting case at a predetermined distance.
The embodiment of another exemplary according to the present invention, the preset distance is within the scope of 30~70mm.
The embodiment of another exemplary according to the present invention, the front port of the supporting case and the internal diameter of rear port are greater than
The outer diameter of the cable.
The embodiment of another exemplary according to the present invention, the mutual inductor is suitable for suit on the cables, described
The outer peripheral surface of mutual inductor is suitably against on the inner peripheral surface of the positioning groove of the supporting case.
The embodiment of another exemplary according to the present invention, the shape on the first box halfbody and the second box halfbody
At there is buckle structure, the first box halfbody and the second box halfbody are suitable for being buckled togather by the buckle structure.
The embodiment of another exemplary according to the present invention, the two of the first box halfbody and the second box halfbody
Side is respectively formed in the convex edge outstanding radially outward of supporting case, is formed with connecting hole on the convex edge；The mutual inductance
Device mounting device further includes that the bolt for the convex edge of the first box halfbody and the second box halfbody to link together connects
Connected components, the bolt connection assembly include the bolt for the connecting hole being adapted to pass through on the convex edge and suitable for being threaded in
State the nut on bolt.
The embodiment of another exemplary according to the present invention, the mutual inductor installation device further includes sealing strip, described
Sealing strip is arranged between the first box halfbody and the convex edge of the second box halfbody, for seal the first box halfbody and
Gap between the convex edge of the second box halfbody.
The embodiment of another exemplary according to the present invention is set between the front port and the cable of the supporting case
It is equipped with the first sealing ring, for sealing the gap between the front port of the supporting case and the cable；In the supporting case
The second sealing ring is provided between rear port and the cable, for sealing between the rear port of the supporting case and the cable
Gap.
The embodiment of another exemplary according to the present invention, the supporting case is by glass reinforced plastic, plastics or nonmagnetic gold
Belong to material to be made.
The waterproofing grade of the embodiment of another exemplary according to the present invention, the mutual inductor installation device reaches
IP68。
In the embodiment of aforementioned each exemplary according to the present invention, mutual inductor is received and is located in supporting case,
And sealant tape is wound on the surface of supporting case and cable, to mutual inductor is reliably sealed in supporting case, so that mutually
Sensor can work long hours in water.
By the description made for the present invention of below with reference to attached drawing, other objects and advantages of the present invention will be aobvious and easy
See, and can help that complete understanding of the invention will be obtained.
Detailed description of the invention
Fig. 1 shows the cross-sectional view of the mutual inductor installation device of first embodiment according to the present invention；
Fig. 2 shows the schematic diagram of mutual inductor installation device shown in FIG. 1；
Fig. 3 shows the schematic diagram of the supporting case of mutual inductor installation device shown in Fig. 2；
Fig. 4 shows the schematic diagram of the mutual inductor installation device of second embodiment according to the present invention；
Fig. 5 shows view when watching from end face of mutual inductor installation device shown in Fig. 4；
Fig. 6 shows the schematic diagram of the supporting case of mutual inductor installation device shown in Fig. 4；
Fig. 7 shows view when watching from end face of supporting case shown in fig. 6.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.Illustrating
In book, the same or similar drawing reference numeral indicates the same or similar component.Following reference attached drawings are to embodiment of the present invention
Illustrate to be intended to explain present general inventive concept of the invention, and is not construed as to a kind of limitation of the invention.
In addition, in the following detailed description, to elaborate many concrete details to provide to present disclosure convenient for explaining
The comprehensive understanding of embodiment.It should be apparent, however, that one or more embodiments without these specific details can also be with
It is carried out.In other cases, well known construction and device is diagrammatically embodied to simplify attached drawing.
General technical design according to the present invention, provides a kind of mutual inductor installation device, comprising: supporting case is used for
Mutual inductor is accommodated and positioned, there is the front port and rear port for allowing cable to pass through；Sealant tape, be wrapped in the supporting case and
On the cable of the supporting case, for sealing the front port and rear port of the supporting case；And anticorrosion belt, it is wrapped in described
On sealant tape, the sealant tape is all wrapped in the anticorrosion belt.
First embodiment
Fig. 1 to Fig. 3 shows the mutual inductor installation device 10 of first embodiment according to the present invention, wherein Fig. 1 shows root
According to the cross-sectional view of the mutual inductor installation device 10 of the first embodiment of the present invention；Fig. 2 shows mutual inductor installation device shown in FIG. 1
10 schematic diagram；Fig. 3 shows the schematic diagram of the supporting case 101 of mutual inductor installation device 10 shown in Fig. 2.
As shown in Figure 1 to Figure 3, in the illustrated embodiment, the mutual inductor installation device specifically include that supporting case 101,
Sealant tape 102 and anticorrosion belt 103.Supporting case 101 is for accommodating and positioning mutual inductor 104.Supporting case 101 has permission cable
The 105 front port 101a and rear port 101b passed through.Sealant tape 102 is wrapped in supporting case 101 and the electricity across supporting case 101
On the surface of cable 105, for sealing the front port 101a and rear port 101b of supporting case 101.Anticorrosion belt 103 is wrapped in sealant
On band 102, so that sealant tape 102 is all wrapped in anticorrosion belt 103, sealant tape 102 is thus prevented to be damaged, example
Such as, it is corroded or wears.
As shown in Figure 1 to Figure 3, in the illustrated embodiment, supporting case 101 includes the first box halfbody 1011 and is suitable for and the
The second box halfbody 1012 that one box halfbody 1011 fits together.First box halfbody 1011 and the second box halfbody 1012 can phases
Together, it can also be different.
As shown in Figure 1 to Figure 3, in the illustrated embodiment, supporting case 101 is by the first box halfbody 1011 and the second box halfbody
1012 assemble.At this point, sealant tape 102 is also used to seal the seam between the first box halfbody 1011 and the second box halfbody 1012
Gap.
As shown in Figure 1 to Figure 3, in the illustrated embodiment, sealant tape 102 is wrapped in cable 105 with half overlap mode
On the surface of supporting case 101.Similarly, anticorrosion adhesive tape 103 is wrapped in cable 105 and supporting case 101 with half overlap mode
On surface.
As shown in Figure 1 to Figure 3, in the illustrated embodiment, in order to improve anti-water energy, sealant tape 102 is in 105 He of cable
Multilayer is wound back and forth on the surface of supporting case 101.Sealant tape 102 is completely covered supporting case 101 and exceeds supporting case 101, with
Just it is covered on a part of cable 105 at the both ends of supporting case 101.Similarly, in order to improve protective value, anticorrosion adhesive tape 103
Multilayer is wound back and forth on the surface of cable 105 and sealant tape 102.Anticorrosion adhesive tape 103 is completely covered sealant tape 102 and surpasses
Sealant tape 102 out, to be covered on a part of cable 105 at the both ends of supporting case 101.
As shown in Figure 1 to Figure 3, in the illustrated embodiment, supporting case 101 is suitable for accommodating and positioning multiple mutual inductors 104.
Multiple positioning grooves 106 are formed in supporting case 101, multiple mutual inductors 104 are respectively positioned in multiple positioning grooves 106.
As shown in Figure 1 to Figure 3, in the illustrated embodiment, the two neighboring positioning groove in multiple positioning grooves 106
Between 106 in the axial direction of supporting case 101 D1 at a predetermined distance, preset distance D1 is within the scope of 30~70mm.Example
Such as, preset distance D1 can be 30mm, 40mm, 50mm, 60mm or 70mm.
As shown in Figure 1 to Figure 3, in the illustrated embodiment, the front port 101a's and rear port 101b of supporting case 101 is interior
Diameter is greater than the outer diameter of cable 105.For example, the internal diameter of the front port 101a and rear port 101b of supporting case 101 can be than cables 105
The big 10~20mm of outer diameter.
As shown in Figure 1 to Figure 3, in the illustrated embodiment, mutual inductor 104 is suitable for being sleeved on cable 105.Mutual inductor
104 outer peripheral surface is suitably against on the inner peripheral surface of positioning groove 106 of supporting case 101.
As shown in Figure 1 to Figure 3, in the illustrated embodiment, the shape on the first box halfbody 1011 and the second box halfbody 1012
At having buckle structure (not shown), the first box halfbody 1011 and the second box halfbody 1012 are suitable for through buckle structure to being buckled in one
It rises.
It as shown in Figure 1 to Figure 3, in the illustrated embodiment, can be in the front port 101a and cable 105 of supporting case 101
Between be provided with the first sealing ring (not shown), for sealing the seam between the front port 101a of supporting case 101 and cable 105
Gap.In this way, can be further improved sealing performance.
Similarly, as shown in Figure 1 to Figure 3, in the illustrated embodiment, can supporting case 101 rear port 101b with
The second sealing ring (not shown) is provided between cable 105, for seal supporting case 101 rear port 101b and cable 105 it
Between gap.In this way, can be further improved sealing performance.
As shown in Figure 1 to Figure 3, in the illustrated embodiment, supporting case 101 can by better mechanical property glass reinforced plastic or
Plastics are made, and can also be made of nonmagnetic metal material.
As shown in Figure 1 to Figure 3, in the embodiment of an example of the present invention, sealant tape 102 can be public using 3M
2228# the or 2229# adhesive tape of department.Anticorrosion adhesive tape can use 51# the or 50# adhesive tape of 3M company.
As shown in Figure 1 to Figure 3, in the illustrated embodiment, the waterproofing grade of mutual inductor installation device can achieve IP68.
In this way, it is possible to ensure that mutual inductor 104 can work in water for a long time.
Illustrate process mutual inductor being mounted on cable below with reference to Fig. 1 to Fig. 3.
Firstly, mutual inductor 104 is sleeved on cable 105；
Then, the first box halfbody 1011 of supporting case 101 is put into below mutual inductor 104, and mutual inductor 104 is put into
In the groove of first box halfbody 1011；
Then, by 1011 make-up of the second box halfbody 1012 and the first box halfbody of supporting case 101, middle section uses anti-corrosion
Band 103 winds several circles and is pre-fixed；
Then, it polishes the graphite linings on the oversheath at the both ends of supporting case 101 of cable 105, beating at both ends
Mill length is respectively not less than 100mm, and is cleaned；
Then, wrapped two are partly overlapped back and forth along 101 surface of cable 105 and supporting case using sealant tape 102；
Finally, being partly overlapped wrapped anticorrosion adhesive tape 103 on the surface of sealant tape 102, two back and forth.
Second embodiment
Fig. 4 to Fig. 7 shows the mutual inductor installation device of second embodiment according to the present invention, wherein Fig. 4 is shown according to this
The schematic diagram of the mutual inductor installation device 20 of the second embodiment of invention；Fig. 5 shows mutual inductor installation device 20 shown in Fig. 4
View when being watched from end face；Fig. 6 shows the schematic diagram of the supporting case 201 of mutual inductor installation device 20 shown in Fig. 4；Fig. 7 is aobvious
Show view when watching from end face of supporting case 201 shown in fig. 6.
Fig. 4 is main to mutual inductor installation device 20 shown in Fig. 7 and Fig. 1 to mutual inductor installation device 10 shown in Fig. 3
Difference is that the structure of supporting case is different.In addition to this, Fig. 4 is to mutual inductor installation device 20 shown in Fig. 7 and Fig. 1 to Fig. 3 institute
10 base portion of mutual inductor installation device shown is identical.
As shown in Figures 4 to 7, in the illustrated embodiment, in the first box halfbody 2011 of supporting case 201 and the second box half
The two sides of body 2012 are respectively formed with convex edge 2011a, 2012a outstanding radially outward in supporting case 201, and first
Multiple connecting holes are formed on convex edge 2011a, 2012a of box halfbody 2011 and the second box halfbody 2012.
As shown in Figures 4 to 7, in the illustrated embodiment, mutual inductor installation device 20 further includes for by the first box half
The bolt connection assembly 202 that convex edge 2011a, 2012a of body 2011 and the second box halfbody 2012 link together.This is bolted
The bolt and the spiral shell suitable for being threaded on bolt that component 202 includes the connecting hole being adapted to pass through on convex edge 2011a, 2012a
It is female.
As shown in Figures 4 to 7, in the illustrated embodiment, mutual inductor installation device 20 further includes sealing strip (not shown),
The sealing strip is arranged between the first box halfbody 2011 and convex edge 2011a, 2012a of the second box halfbody 2012, for sealing the
Gap between one box halfbody 2011 and convex edge 2011a, 2012a of the second box halfbody 2012.In this way, waterproof sealing can be enhanced
Performance.
It will be understood to those skilled in the art that embodiment described above is all exemplary, and this field
Technical staff can make improvements, the rushing in terms of not recurring structure or principle of structure described in various embodiments
It can be freely combined in the case where prominent.
Although in conjunction with attached drawing, the present invention is described, and embodiment disclosed in attached drawing is intended to preferred to the present invention
Embodiment illustrates, and should not be understood as to a kind of limitation of the invention.
Although some embodiments of this present general inventive concept have been shown and have illustrated, those of ordinary skill in the art will be managed
Solution can make a change these embodiments in the case where the principle and spirit without departing substantially from this present general inventive concept, of the invention
Range is limited with claim and their equivalent.
It should be noted that word " comprising " is not excluded for other element or steps, word "a" or "an" is not excluded for multiple.Separately
Outside, the range that any element label of claim should not be construed as limiting the invention.
Claims (17)
1. a kind of mutual inductor installation device characterized by comprising
Supporting case (101) has the front port (101a) for allowing cable (105) to pass through for accommodating and positioning mutual inductor (104)
With rear port (101b)；
Sealant tape (102) is wrapped in the supporting case (101) and on the cable (105) of the supporting case (101), uses
In the front port (101a) and rear port (101b) that seal the supporting case (101)；With
Anticorrosion belt (103) is wrapped on the sealant tape (102), and the sealant tape (102) is all wrapped in described anti-
In rotten band (103).
2. mutual inductor installation device according to claim 1, it is characterised in that:
The supporting case (101) includes the first box halfbody (1011) and is suitable for fitting together with the first box halfbody (1011)
The second box halfbody (1012)；
The supporting case (101) is assembled by the first box halfbody (1011) and the second box halfbody (1012).
3. mutual inductor installation device according to claim 2, it is characterised in that:
The sealant tape (102) is also used to seal between the first box halfbody (1011) and the second box halfbody (1012)
Gap.
4. mutual inductor installation device according to claim 3, it is characterised in that:
The sealant tape (102) is wrapped in the surface of the cable (105) and the supporting case (101) with half overlap mode
On；And
The anticorrosion adhesive tape (103) is wrapped in the surface of the cable (105) and the supporting case (101) with half overlap mode
On.
5. mutual inductor installation device according to claim 4, it is characterised in that:
The sealant tape (102) winds multilayer on the surface of the cable (105) and the supporting case (101) back and forth, institute
It states sealant tape (102) supporting case (101) is completely covered and exceeds the supporting case (101), to be covered on a part
On cable (105)；And
The anticorrosion adhesive tape (103) winds multilayer on the surface of the cable (105) and the sealant tape (102) back and forth,
The anticorrosion adhesive tape (103) is completely covered the sealant tape (102) and beyond the sealant tape (102), to be covered on
On a part of cable (105).
6. mutual inductor installation device according to any one of claims 1-5, it is characterised in that: the supporting case (101)
Suitable for accommodating and positioning multiple mutual inductors (104).
7. mutual inductor installation device according to claim 6, it is characterised in that:
It is formed with multiple positioning grooves (106) in the supporting case (101), the multiple mutual inductor (104) is respectively positioned at institute
It states in multiple positioning grooves (106).
8. mutual inductor installation device according to claim 7, it is characterised in that:
Between two neighboring positioning groove (106) in the multiple positioning groove (106) in the axial direction of supporting case (101) phase
Away from preset distance (D1).
9. mutual inductor installation device according to claim 8, it is characterised in that: the preset distance (D1) is in 30~70mm
Within the scope of.
10. mutual inductor installation device according to claim 1, it is characterised in that:
The front port (101a) of the supporting case (101) and the internal diameter of rear port (101b) are greater than the outer diameter of the cable (105).
11. mutual inductor installation device according to claim 6, it is characterised in that:
The mutual inductor (104) is suitable for being sleeved on the cable (105), and the outer peripheral surface of the mutual inductor (104) is adapted to abut against
On the inner peripheral surface of the positioning groove (106) of the supporting case (101).
12. mutual inductor installation device according to claim 2, it is characterised in that:
Buckle structure, first box half are formed on the first box halfbody (1011) and the second box halfbody (1012)
Body (1011) and the second box halfbody (1012) are suitable for being buckled togather by the buckle structure.
13. mutual inductor installation device according to claim 2, it is characterised in that:
It is respectively formed in the two sides of the first box halfbody (2011) and the second box halfbody (2012) in supporting case (201)
Convex edge (2011a, 2012a) outstanding radially outward, be formed with connecting hole on the convex edge (2011a, 2012a)；
The mutual inductor installation device further includes being used for the first box halfbody (2011) and the second box halfbody (2012)
The bolt connection assembly (202) that links together of convex edge (2011a, 2012a), the bolt connection assembly (202) includes suitable
In the bolt and the nut suitable for being threaded on the bolt that pass through the connecting hole on the convex edge (2011a, 2012a).
14. mutual inductor installation device according to claim 13, it is characterised in that:
The mutual inductor installation device further includes sealing strip, and sealing strip setting is in the first box halfbody (2011) and described
Between the convex edge (2011a, 2012a) of second box halfbody (2012), for sealing the first box halfbody (2011) and described
Gap between the convex edge (2011a, 2012a) of two box halfbodies (2012).
15. mutual inductor installation device according to claim 1, it is characterised in that:
It is provided with the first sealing ring between the front port (101a) and the cable (105) of the supporting case (101), for close
Seal the gap between the front port (101a) of the supporting case (101) and the cable (105)；
It is provided with the second sealing ring between the rear port (101b) and the cable (105) of the supporting case (101), for close
Seal the gap between the rear port (101b) of the supporting case (101) and the cable (105).
16. mutual inductor installation device according to claim 1, it is characterised in that:
The supporting case (101) is made of glass reinforced plastic, plastics or nonmagnetic metal material.
17. mutual inductor installation device according to claim 1, it is characterised in that: the waterproof of the mutual inductor installation device
Grade reaches IP68.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996110.6A CN109036784A (en) | 2018-08-29 | 2018-08-29 | Mutual inductor installation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810996110.6A CN109036784A (en) | 2018-08-29 | 2018-08-29 | Mutual inductor installation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109036784A true CN109036784A (en) | 2018-12-18 |
Family
ID=64626160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810996110.6A Pending CN109036784A (en) | 2018-08-29 | 2018-08-29 | Mutual inductor installation device |
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| Country | Link |
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| CN (1) | CN109036784A (en) |
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| CN102593655A (en) * | 2012-03-22 | 2012-07-18 | 上海航天科工电器研究院有限公司 | Electric connector sealing structure |
| CN102810837A (en) * | 2012-03-16 | 2012-12-05 | 远东电缆有限公司 | Intermediate splicing closure and splicing method for optical fiber composite power cable |
| CN205039508U (en) * | 2015-10-13 | 2016-02-17 | 廊坊辰瑞电气有限公司 | Cable intermediate joint waterproof explosion -proof box |
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| CN107464680A (en) * | 2017-10-11 | 2017-12-12 | 溧阳市农电电力有限公司 | A kind of transformer protective cover |
| CN206992665U (en) * | 2017-06-12 | 2018-02-09 | 国缆集团电力有限公司 | A kind of cable accessory |
| CN207234374U (en) * | 2017-09-21 | 2018-04-13 | 科耐特输变电科技股份有限公司 | A kind of new cable accessory flame-proof explosion-proof shell |
| CN207302861U (en) * | 2017-09-21 | 2018-05-01 | 恒源利通电气大厂有限公司 | Water proof type Open Type Electric Current Mutual Inductor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1174127A (en) * | 1997-08-27 | 1999-03-16 | Hitachi Cable Ltd | Ct waterproofing spacer |
| CN201417927Y (en) * | 2009-06-26 | 2010-03-03 | 河北星河通信技术有限公司 | Box-buckle integrated connector protection box |
| CN202230861U (en) * | 2011-10-12 | 2012-05-23 | 北京科锐配电自动化股份有限公司 | Current transformer |
| CN102810837A (en) * | 2012-03-16 | 2012-12-05 | 远东电缆有限公司 | Intermediate splicing closure and splicing method for optical fiber composite power cable |
| CN102593655A (en) * | 2012-03-22 | 2012-07-18 | 上海航天科工电器研究院有限公司 | Electric connector sealing structure |
| CN205039508U (en) * | 2015-10-13 | 2016-02-17 | 廊坊辰瑞电气有限公司 | Cable intermediate joint waterproof explosion -proof box |
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| CN207234374U (en) * | 2017-09-21 | 2018-04-13 | 科耐特输变电科技股份有限公司 | A kind of new cable accessory flame-proof explosion-proof shell |
| CN207302861U (en) * | 2017-09-21 | 2018-05-01 | 恒源利通电气大厂有限公司 | Water proof type Open Type Electric Current Mutual Inductor |
| CN107464680A (en) * | 2017-10-11 | 2017-12-12 | 溧阳市农电电力有限公司 | A kind of transformer protective cover |
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Application publication date: 20181218 |