CN210325617U - Protective cover additionally arranged on internal transformer isolating switch - Google Patents
Protective cover additionally arranged on internal transformer isolating switch Download PDFInfo
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- CN210325617U CN210325617U CN201921374779.8U CN201921374779U CN210325617U CN 210325617 U CN210325617 U CN 210325617U CN 201921374779 U CN201921374779 U CN 201921374779U CN 210325617 U CN210325617 U CN 210325617U
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- 230000001681 protective effect Effects 0.000 title claims abstract description 102
- 230000007797 corrosion Effects 0.000 claims abstract description 26
- 238000005260 corrosion Methods 0.000 claims abstract description 26
- 230000005611 electricity Effects 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 7
- 229920002379 silicone rubber Polymers 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 2
- 238000003916 acid precipitation Methods 0.000 abstract description 10
- 230000009194 climbing Effects 0.000 abstract description 10
- 239000007789 gas Substances 0.000 abstract description 8
- 241001465754 Metazoa Species 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000011347 resin Substances 0.000 description 15
- 229920005989 resin Polymers 0.000 description 15
- 241000271566 Aves Species 0.000 description 13
- 230000032683 aging Effects 0.000 description 7
- 238000009413 insulation Methods 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 7
- 241000287828 Gallus gallus Species 0.000 description 6
- 241000270295 Serpentes Species 0.000 description 6
- 235000013330 chicken meat Nutrition 0.000 description 6
- 230000002265 prevention Effects 0.000 description 6
- 208000034699 Vitreous floaters Diseases 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000016507 interphase Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
A protective cover is additionally arranged on an internal transformer isolating switch, and comprises a fixed clamping groove, an incoming cable, a protective cover, an increased-creepage flashing skirt, a ground wire pile, an isolating switch and an outgoing cable; the upper part of the protective cover is provided with an increasing climbing flashing skirt at the inlet of the incoming cable, the side surface of the protective cover is provided with a fixed clamping groove and a ground wire pile, the lower part of the protective cover is provided with an outlet of the outgoing cable, and the isolating switch is arranged in the middle of the protective cover. The utility model has the advantages that: the operation and maintenance professional can conveniently patrol and measure the temperature by infrared rays; the ground wire pile is hung on the protective cover by means of the isolating switch, so that the protective cover is more firmly fixed, is convenient to mount and dismount, and improves the working efficiency; the climbing umbrella skirt is additionally arranged, so that rainwater is effectively prevented from entering the disconnecting link along the incoming cable; the exposed electrical contact of the isolating switch can be effectively protected, short circuit caused by overlapping of birds, beasts, small animals or other sundries is avoided, and the corrosion of the contact caused by operation failure, acid rain and other harmful gases is avoided; prevent personal casualty accidents caused by accidental contact.
Description
Technical Field
The utility model relates to an electric power protection field, in particular to become isolator and install protection casing additional in institute.
Background
At present, most models of the low-voltage-side disconnecting switches in 220kV transformer substations are JDW2-500V, an open-air installation mode is adopted, conductive contacts and incoming and outgoing line terminals are all exposed in the external atmospheric environment, interphase short circuits which are easily caused by artificial touch, small animals, floaters and the like exist, and great potential safety hazards exist. In addition, the corrosion and the clamping stagnation are easily generated due to the influence and the corrosion of external environments such as condensation flashover, pollution flashover, salt fog, acid rain and the like, so that the overheating and the failure are caused due to the overlarge contact resistance, and the service life of the product is shortened.
SUMMERY OF THE UTILITY MODEL
The utility model aims at, the overwhelming majority model of step-down pressure side isolator is JDW2-500V to the institute of present 220kV transformer substation to adopt open-air mounting means, conductive contact and business turn over line terminal are whole exposes in outside atmospheric environment, and the artificial alternate short circuit that easily causes such as touching, toy, floater exists very big potential safety hazard. In addition, the corrosion and the clamping stagnation are easily generated due to the influence and the corrosion of external environments such as condensation flashover, pollution flashover, salt fog, acid rain and the like, so that the overheating and the failure are caused due to the overlarge contact resistance, and the service life of the product is shortened.
The utility model provides a protection casing is installed additional to the institute's internal-variant isolator, its characterized in that: the internal transformer isolating switch is additionally provided with a protective cover, and comprises a fixed clamping groove 1, an incoming cable 2, a protective cover 3, an increased-creepage flashing skirt 4, a ground wire pile 5, an isolating switch 6 and an outgoing cable 7;
wherein: the upper part of the protective cover 3 is provided with an increasing climbing flashing skirt 4 at the inlet of the incoming cable 2, the side surface of the protective cover 3 is provided with a fixed clamping groove 1 and a ground wire pile 5, the lower part of the protective cover 3 is provided with an outlet of an outgoing cable 7, and the isolating switch 6 is arranged at the middle position of the protective cover 3.
The protection cover 3 is fixed by hooking the ground wire pile through the isolating switch, so that the fixing is firmer, the installation and the disassembly are convenient, and the working efficiency is improved.
The climbing-increasing flashing skirt 4 is of a circular plate-shaped structure. The rainwater can be effectively prevented from entering the disconnecting link along the incoming cable; the exposed electrical contact of the isolating switch can be effectively protected, short circuit caused by overlapping of birds, beasts, snakes, birds, chickens or other sundries is avoided, and corrosion of the contact caused by operation failure, acid rain prevention and other harmful gases is avoided; prevent personal casualty accidents caused by accidental contact.
The three protective covers 3 form a group of structures.
The protective cover 3 is an insulating material.
The climbing-increasing flashing skirt 4 is in a conical structure.
The protective cover 3 is made of transparent material.
The climbing-increasing flashing skirt 4 is of a cylindrical structure.
The protective cover 3 is a hard cylindrical part.
The climbing-increasing flashing skirt 4 is made of silicon rubber, and has good hydrophobicity, corona resistance, no corrosion, no static electricity and no dust absorption.
A transparent insulating resin protective cover is additionally arranged outside the internal-variable isolating switch, so that each isolating switch forms an independent operation space. By additionally arranging the climbing-increasing umbrella skirt, the rainwater can be effectively prevented from invading
The insulating resin plate is transparent, has the thickness of 4mm, and has the advantages of flame resistance, high temperature resistance, aging resistance, corrosion resistance, static electricity resistance and dewing resistance.
According to the appearance and the size of the internal-change isolating switch, an insulating and transparent protective cover is additionally arranged to form an effective independent operation space, so that exposed electrical contacts of the isolating switch can be effectively protected, and the service life of the isolating switch can be prolonged. Still further, install additional and climb the full skirt at the protection casing top, can prevent effectively that rainwater from getting into the switch along the inlet wire cable, causing the insulation to wet. The operating personnel will increase to climb and dodge skirt 4 and fix at inlet wire cable 2 at first, then effectively insert isolator 6's ground wire stake 5 with the fixed slot 1 of protection casing 3, effectively fix and form independent operating space.
The utility model has the advantages that:
the internal transformer isolating switch is additionally provided with a protective cover which is made of transparent insulating resin plates, so that operation and maintenance professionals can conveniently patrol and measure the temperature by infrared rays; the ground wire pile is hung on the protective cover by means of the isolating switch, so that the protective cover is more firmly fixed, is convenient to mount and dismount, and improves the working efficiency; the climbing umbrella skirt is additionally arranged, so that rainwater is effectively prevented from entering the disconnecting link along the incoming cable; the exposed electrical contact of the isolating switch can be effectively protected, short circuit caused by overlapping of birds, beasts, small animals or other sundries is avoided, and the corrosion of the contact caused by operation failure, acid rain and other harmful gases is avoided; prevent personal casualty accidents caused by accidental contact.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and embodiments:
fig. 1 is a schematic structural view of an internal isolating switch with a protective cover.
Detailed Description
Example 1
The utility model provides a protection casing is installed additional to the institute's internal-variant isolator, its characterized in that: the internal transformer isolating switch is additionally provided with a protective cover, and comprises a fixed clamping groove 1, an incoming cable 2, a protective cover 3, an increased-creepage flashing skirt 4, a ground wire pile 5, an isolating switch 6 and an outgoing cable 7;
wherein: the upper part of the protective cover 3 is provided with an increasing climbing flashing skirt 4 at the inlet of the incoming cable 2, the side surface of the protective cover 3 is provided with a fixed clamping groove 1 and a ground wire pile 5, the lower part of the protective cover 3 is provided with an outlet of an outgoing cable 7, and the isolating switch 6 is arranged at the middle position of the protective cover 3.
The protection cover 3 is fixed by hooking the ground wire pile through the isolating switch, so that the fixing is firmer, the installation and the disassembly are convenient, and the working efficiency is improved.
The climbing-increasing flashing skirt 4 is of a circular plate-shaped structure. The rainwater can be effectively prevented from entering the disconnecting link along the incoming cable; the exposed electrical contact of the isolating switch can be effectively protected, short circuit caused by overlapping of birds, beasts, snakes, birds, chickens or other sundries is avoided, and corrosion of the contact caused by operation failure, acid rain prevention and other harmful gases is avoided; prevent personal casualty accidents caused by accidental contact.
The three protective covers 3 form a group of structures.
The protective cover 3 is an insulating material.
The climbing-increasing flashing skirt 4 is made of silicon rubber, and has good hydrophobicity, corona resistance, no corrosion, no static electricity and no dust absorption.
A transparent insulating resin protective cover is additionally arranged outside the internal-variable isolating switch, so that each isolating switch forms an independent operation space. By additionally arranging the climbing-increasing umbrella skirt, the rainwater can be effectively prevented from invading
The insulating resin plate is transparent, has the thickness of 4mm, and has the advantages of flame resistance, high temperature resistance, aging resistance, corrosion resistance, static electricity resistance and dewing resistance.
According to the appearance and the size of the internal-change isolating switch, an insulating and transparent protective cover is additionally arranged to form an effective independent operation space, so that exposed electrical contacts of the isolating switch can be effectively protected, and the service life of the isolating switch can be prolonged. Still further, install additional and climb the full skirt at the protection casing top, can prevent effectively that rainwater from getting into the switch along the inlet wire cable, causing the insulation to wet. The operating personnel will increase to climb and dodge skirt 4 and fix at inlet wire cable 2 at first, then effectively insert isolator 6's ground wire stake 5 with the fixed slot 1 of protection casing 3, effectively fix and form independent operating space.
Example 2
The utility model provides a protection casing is installed additional to the institute's internal-variant isolator, its characterized in that: the internal transformer isolating switch is additionally provided with a protective cover, and comprises a fixed clamping groove 1, an incoming cable 2, a protective cover 3, an increased-creepage flashing skirt 4, a ground wire pile 5, an isolating switch 6 and an outgoing cable 7;
wherein: the upper part of the protective cover 3 is provided with an increasing climbing flashing skirt 4 at the inlet of the incoming cable 2, the side surface of the protective cover 3 is provided with a fixed clamping groove 1 and a ground wire pile 5, the lower part of the protective cover 3 is provided with an outlet of an outgoing cable 7, and the isolating switch 6 is arranged at the middle position of the protective cover 3.
The protection cover 3 is fixed by hooking the ground wire pile through the isolating switch, so that the fixing is firmer, the installation and the disassembly are convenient, and the working efficiency is improved.
The three protective covers 3 form a group of structures.
The protective cover 3 is an insulating material.
The climbing-increasing flashing skirt 4 is made of silicon rubber, and has good hydrophobicity, corona resistance, no corrosion, no static electricity and no dust absorption.
A transparent insulating resin protective cover is additionally arranged outside the internal-variable isolating switch, so that each isolating switch forms an independent operation space. By additionally arranging the climbing-increasing umbrella skirt, the rainwater can be effectively prevented from invading
The insulating resin plate is transparent, has the thickness of 4mm, and has the advantages of flame resistance, high temperature resistance, aging resistance, corrosion resistance, static electricity resistance and dewing resistance.
According to the appearance and the size of the internal-change isolating switch, an insulating and transparent protective cover is additionally arranged to form an effective independent operation space, so that exposed electrical contacts of the isolating switch can be effectively protected, and the service life of the isolating switch can be prolonged. Still further, install additional and climb the full skirt at the protection casing top, can prevent effectively that rainwater from getting into the switch along the inlet wire cable, causing the insulation to wet. The operating personnel will increase to climb and dodge skirt 4 and fix at inlet wire cable 2 at first, then effectively insert isolator 6's ground wire stake 5 with the fixed slot 1 of protection casing 3, effectively fix and form independent operating space.
Example 3
The utility model provides a protection casing is installed additional to the institute's internal-variant isolator, its characterized in that: the internal transformer isolating switch is additionally provided with a protective cover, and comprises a fixed clamping groove 1, an incoming cable 2, a protective cover 3, an increased-creepage flashing skirt 4, a ground wire pile 5, an isolating switch 6 and an outgoing cable 7;
wherein: the upper part of the protective cover 3 is provided with an increasing climbing flashing skirt 4 at the inlet of the incoming cable 2, the side surface of the protective cover 3 is provided with a fixed clamping groove 1 and a ground wire pile 5, the lower part of the protective cover 3 is provided with an outlet of an outgoing cable 7, and the isolating switch 6 is arranged at the middle position of the protective cover 3.
The climbing-increasing flashing skirt 4 is of a circular plate-shaped structure. The rainwater can be effectively prevented from entering the disconnecting link along the incoming cable; the exposed electrical contact of the isolating switch can be effectively protected, short circuit caused by overlapping of birds, beasts, snakes, birds, chickens or other sundries is avoided, and corrosion of the contact caused by operation failure, acid rain prevention and other harmful gases is avoided; prevent personal casualty accidents caused by accidental contact.
The three protective covers 3 form a group of structures.
The protective cover 3 is an insulating material.
The climbing-increasing flashing skirt 4 is made of silicon rubber, and has good hydrophobicity, corona resistance, no corrosion, no static electricity and no dust absorption.
A transparent insulating resin protective cover is additionally arranged outside the internal-variable isolating switch, so that each isolating switch forms an independent operation space. By additionally arranging the climbing-increasing umbrella skirt, the rainwater can be effectively prevented from invading
The insulating resin plate is transparent, has the thickness of 4mm, and has the advantages of flame resistance, high temperature resistance, aging resistance, corrosion resistance, static electricity resistance and dewing resistance.
According to the appearance and the size of the internal-change isolating switch, an insulating and transparent protective cover is additionally arranged to form an effective independent operation space, so that exposed electrical contacts of the isolating switch can be effectively protected, and the service life of the isolating switch can be prolonged. Still further, install additional and climb the full skirt at the protection casing top, can prevent effectively that rainwater from getting into the switch along the inlet wire cable, causing the insulation to wet. The operating personnel will increase to climb and dodge skirt 4 and fix at inlet wire cable 2 at first, then effectively insert isolator 6's ground wire stake 5 with the fixed slot 1 of protection casing 3, effectively fix and form independent operating space.
Example 4
The utility model provides a protection casing is installed additional to the institute's internal-variant isolator, its characterized in that: the internal transformer isolating switch is additionally provided with a protective cover, and comprises a fixed clamping groove 1, an incoming cable 2, a protective cover 3, an increased-creepage flashing skirt 4, a ground wire pile 5, an isolating switch 6 and an outgoing cable 7;
wherein: the upper part of the protective cover 3 is provided with an increasing climbing flashing skirt 4 at the inlet of the incoming cable 2, the side surface of the protective cover 3 is provided with a fixed clamping groove 1 and a ground wire pile 5, the lower part of the protective cover 3 is provided with an outlet of an outgoing cable 7, and the isolating switch 6 is arranged at the middle position of the protective cover 3.
The protection cover 3 is fixed by hooking the ground wire pile through the isolating switch, so that the fixing is firmer, the installation and the disassembly are convenient, and the working efficiency is improved.
The climbing-increasing flashing skirt 4 is of a circular plate-shaped structure. The rainwater can be effectively prevented from entering the disconnecting link along the incoming cable; the exposed electrical contact of the isolating switch can be effectively protected, short circuit caused by overlapping of birds, beasts, snakes, birds, chickens or other sundries is avoided, and corrosion of the contact caused by operation failure, acid rain prevention and other harmful gases is avoided; prevent personal casualty accidents caused by accidental contact.
The protective cover 3 is an insulating material.
The climbing-increasing flashing skirt 4 is made of silicon rubber, and has good hydrophobicity, corona resistance, no corrosion, no static electricity and no dust absorption.
A transparent insulating resin protective cover is additionally arranged outside the internal-variable isolating switch, so that each isolating switch forms an independent operation space. By additionally arranging the climbing-increasing umbrella skirt, the rainwater can be effectively prevented from invading
The insulating resin plate is transparent, has the thickness of 4mm, and has the advantages of flame resistance, high temperature resistance, aging resistance, corrosion resistance, static electricity resistance and dewing resistance.
According to the appearance and the size of the internal-change isolating switch, an insulating and transparent protective cover is additionally arranged to form an effective independent operation space, so that exposed electrical contacts of the isolating switch can be effectively protected, and the service life of the isolating switch can be prolonged. Still further, install additional and climb the full skirt at the protection casing top, can prevent effectively that rainwater from getting into the switch along the inlet wire cable, causing the insulation to wet. The operating personnel will increase to climb and dodge skirt 4 and fix at inlet wire cable 2 at first, then effectively insert isolator 6's ground wire stake 5 with the fixed slot 1 of protection casing 3, effectively fix and form independent operating space.
Example 5
The utility model provides a protection casing is installed additional to the institute's internal-variant isolator, its characterized in that: the internal transformer isolating switch is additionally provided with a protective cover, and comprises a fixed clamping groove 1, an incoming cable 2, a protective cover 3, an increased-creepage flashing skirt 4, a ground wire pile 5, an isolating switch 6 and an outgoing cable 7;
wherein: the upper part of the protective cover 3 is provided with an increasing climbing flashing skirt 4 at the inlet of the incoming cable 2, the side surface of the protective cover 3 is provided with a fixed clamping groove 1 and a ground wire pile 5, the lower part of the protective cover 3 is provided with an outlet of an outgoing cable 7, and the isolating switch 6 is arranged at the middle position of the protective cover 3.
The protection cover 3 is fixed by hooking the ground wire pile through the isolating switch, so that the fixing is firmer, the installation and the disassembly are convenient, and the working efficiency is improved.
The climbing-increasing flashing skirt 4 is of a circular plate-shaped structure. The rainwater can be effectively prevented from entering the disconnecting link along the incoming cable; the exposed electrical contact of the isolating switch can be effectively protected, short circuit caused by overlapping of birds, beasts, snakes, birds, chickens or other sundries is avoided, and corrosion of the contact caused by operation failure, acid rain prevention and other harmful gases is avoided; prevent personal casualty accidents caused by accidental contact.
The three protective covers 3 form a group of structures.
The climbing-increasing flashing skirt 4 is made of silicon rubber, and has good hydrophobicity, corona resistance, no corrosion, no static electricity and no dust absorption.
A transparent insulating resin protective cover is additionally arranged outside the internal-variable isolating switch, so that each isolating switch forms an independent operation space. By additionally arranging the climbing-increasing umbrella skirt, the rainwater can be effectively prevented from invading
The insulating resin plate is transparent, has the thickness of 4mm, and has the advantages of flame resistance, high temperature resistance, aging resistance, corrosion resistance, static electricity resistance and dewing resistance.
According to the appearance and the size of the internal-change isolating switch, an insulating and transparent protective cover is additionally arranged to form an effective independent operation space, so that exposed electrical contacts of the isolating switch can be effectively protected, and the service life of the isolating switch can be prolonged. Still further, install additional and climb the full skirt at the protection casing top, can prevent effectively that rainwater from getting into the switch along the inlet wire cable, causing the insulation to wet. The operating personnel will increase to climb and dodge skirt 4 and fix at inlet wire cable 2 at first, then effectively insert isolator 6's ground wire stake 5 with the fixed slot 1 of protection casing 3, effectively fix and form independent operating space.
Example 6
The utility model provides a protection casing is installed additional to the institute's internal-variant isolator, its characterized in that: the internal transformer isolating switch is additionally provided with a protective cover, and comprises a fixed clamping groove 1, an incoming cable 2, a protective cover 3, an increased-creepage flashing skirt 4, a ground wire pile 5, an isolating switch 6 and an outgoing cable 7;
wherein: the upper part of the protective cover 3 is provided with an increasing climbing flashing skirt 4 at the inlet of the incoming cable 2, the side surface of the protective cover 3 is provided with a fixed clamping groove 1 and a ground wire pile 5, the lower part of the protective cover 3 is provided with an outlet of an outgoing cable 7, and the isolating switch 6 is arranged at the middle position of the protective cover 3.
The protection cover 3 is fixed by hooking the ground wire pile through the isolating switch, so that the fixing is firmer, the installation and the disassembly are convenient, and the working efficiency is improved.
The climbing-increasing flashing skirt 4 is of a circular plate-shaped structure. The rainwater can be effectively prevented from entering the disconnecting link along the incoming cable; the exposed electrical contact of the isolating switch can be effectively protected, short circuit caused by overlapping of birds, beasts, snakes, birds, chickens or other sundries is avoided, and corrosion of the contact caused by operation failure, acid rain prevention and other harmful gases is avoided; prevent personal casualty accidents caused by accidental contact.
A transparent insulating resin protective cover is additionally arranged outside the internal-variable isolating switch, so that each isolating switch forms an independent operation space. By additionally arranging the climbing-increasing umbrella skirt, the rainwater can be effectively prevented from invading
The insulating resin plate is transparent, has the thickness of 4mm, and has the advantages of flame resistance, high temperature resistance, aging resistance, corrosion resistance, static electricity resistance and dewing resistance.
According to the appearance and the size of the internal-change isolating switch, an insulating and transparent protective cover is additionally arranged to form an effective independent operation space, so that exposed electrical contacts of the isolating switch can be effectively protected, and the service life of the isolating switch can be prolonged. Still further, install additional and climb the full skirt at the protection casing top, can prevent effectively that rainwater from getting into the switch along the inlet wire cable, causing the insulation to wet. The operating personnel will increase to climb and dodge skirt 4 and fix at inlet wire cable 2 at first, then effectively insert isolator 6's ground wire stake 5 with the fixed slot 1 of protection casing 3, effectively fix and form independent operating space.
Claims (10)
1. The utility model provides an it installs the protection casing additional to become isolator in institute, its characterized in that: the internal transformer isolating switch is additionally provided with a protective cover and comprises a fixed clamping groove (1), an incoming cable (2), a protective cover (3), an increasing-climbing flashing skirt (4), a ground wire pile (5), an isolating switch (6) and an outgoing cable (7);
wherein: the climbing-increasing flashing skirt (4) is arranged at the inlet of the incoming cable (2) at the upper part of the protective cover (3), the side surface of the protective cover (3) is provided with a fixed clamping groove (1) and a ground wire pile (5), the lower part of the protective cover (3) is provided with an outlet of an outgoing cable (7), and the isolating switch (6) is arranged at the middle position of the protective cover (3).
2. The built-in isolating switch of claim 1 with a protective cover, wherein: the ground wire pile is hung in the fixed mode of the protective cover (3) by means of the isolating switch, so that the fixing is firmer, the installation and the disassembly are convenient, and the working efficiency is improved.
3. The built-in isolating switch of claim 1 with a protective cover, wherein: the climbing-increasing flashing skirt (4) is of a circular plate-shaped structure.
4. The built-in isolating switch of claim 1 with a protective cover, wherein: the three protective covers (3) form a group of structures.
5. The built-in isolating switch of claim 1 with a protective cover, wherein: the protective cover (3) is an insulating material.
6. The built-in isolating switch of claim 1 with a protective cover, wherein: the climbing-increasing flashing skirt (4) is made of silicon rubber, and has good hydrophobicity, corona resistance, no corrosion, no static electricity and no dust absorption.
7. The built-in isolating switch of claim 1 with a protective cover, wherein: the climbing-increasing flashing skirt (4) is of a conical structure.
8. The built-in isolating switch of claim 1 with a protective cover, wherein: the protective cover (3) is made of transparent materials.
9. The built-in isolating switch of claim 1 with a protective cover, wherein: the climbing-increasing flashing skirt (4) is of a cylindrical structure.
10. The built-in isolating switch of claim 1 with a protective cover, wherein: the protective cover (3) is a hard cylindrical part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921374779.8U CN210325617U (en) | 2019-08-23 | 2019-08-23 | Protective cover additionally arranged on internal transformer isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921374779.8U CN210325617U (en) | 2019-08-23 | 2019-08-23 | Protective cover additionally arranged on internal transformer isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210325617U true CN210325617U (en) | 2020-04-14 |
Family
ID=70131008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921374779.8U Active CN210325617U (en) | 2019-08-23 | 2019-08-23 | Protective cover additionally arranged on internal transformer isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210325617U (en) |
-
2019
- 2019-08-23 CN CN201921374779.8U patent/CN210325617U/en active Active
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