CN204927173U - Vacuum load switch - fuse combined electrical apparatus - Google Patents
Vacuum load switch - fuse combined electrical apparatus Download PDFInfo
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- CN204927173U CN204927173U CN201520640926.7U CN201520640926U CN204927173U CN 204927173 U CN204927173 U CN 204927173U CN 201520640926 U CN201520640926 U CN 201520640926U CN 204927173 U CN204927173 U CN 204927173U
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- fuse
- vacuum
- load switch
- conducting ring
- copper conducting
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Abstract
The utility model discloses a vacuum load switch - fuse combined electrical apparatus, including vacuum load switch and three fuse, this vacuum load switch connects into the integrative device of three -phase with three fuse, this vacuum load switch includes operating device and three vacuum interrupter, three vacuum interrupter respectively with three fuse is established ties, the fuse sets up in the fuse section of thick bamboo that epoxy resin casting formed, this fuse section of thick bamboo rear end be equipped with in advance with the copper conducting ring and the ring shielding layer of vacuum interrupter intercommunication, this copper conducting ring sets up in advance on the interior circumference wall of a fuse section of thick bamboo and by this ring shielding layer parcel, behind the fuse section of thick bamboo moulding by casting, ring shielding layer and copper conducting ring become one wholly with this fuse section of thick bamboo. The utility model discloses the copper conducting ring is lived to ring shielding layer parcel, like this copper conducting ring first conductively -closed layer ground connection in the discharge process outside toward to the production safety is guaranteed in the decline that can avoid partial discharge to lead to insulating properties.
Description
Technical field
The utility model relates to the technical field of combined electric equipment, particularly relates to a kind of vacuum load switch-fuse combined electrical equipment.
Background technology
Along with the fast development of urban construction, high-tension electricity progresses into city, and ring network power supply also constantly increases, ring network power supplying units and box-type substation arise at the historic moment.Wherein, vacuum load switch-fuse combined electrical equipment, as the one of electric equipment, is widely used in the productive life of people.
In existing vacuum load switch-fuse combined electrical equipment, fuse is arranged in insulating cylinder body usually, the copper conducting ring or conductive coil that are connected with vacuum interrupter is also provided with in insulating cylinder body, in production operation process, outside electric discharge phenomena can be there are in copper conducting ring or conductive coil, cause decreasing insulating, due to copper conducting ring or conductive coil voltage higher, in external discharge process, there is larger potential safety hazard.
Utility model content
The purpose of this utility model be to provide a kind of can reinforced insulation performance, vacuum load switch-fuse combined electrical equipment that security performance is higher.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of vacuum load switch-fuse combined electrical equipment, comprise vacuum load switch and three fuses, this vacuum load switch and three fuses connect into three-phase integrated device; This vacuum load switch comprises operating mechanism and three vacuum interrupters, the equal sealing of each vacuum interrupter is in insulation crust, three vacuum interrupters are connected with described three fuses respectively, each vacuum extinction indoor are provided with moving contact and fixed contact, described operating mechanism be connected with described fuse can control moving contact and fixed contact in described vacuum interrupter deciliter;
Described fuse is arranged in the fuse unit of poured with epoxy resin formation, this fuse unit rear end is provided with the copper conducting ring and ring shielding layer that are communicated with described vacuum interrupter in advance, the inner peripheral wall that this copper conducting ring is set in advance in described fuse unit is wrapped up by this ring shielding layer, after described fuse unit moulding by casting, described ring shielding layer and copper conducting ring and this fuse unit become one overall.
Further, described fuse unit extends to form a convex platform downwards, and described insulation crust upwards extends to form a lower convex platform, and described convex platform is located on this lower convex platform;
Described copper conducting ring extends to form and the integrated extension of this copper conducting ring to the end of described convex platform, is provided with copper insert and is communicated with by the extension of this copper insert with described copper conducting ring in described lower convex platform.
Further, the front end of described fuse unit is provided with electric conductor, and on this, one end of electric conductor is connected with described fuse, and on this, the other end of electric conductor is provided with Mume flower contact.
Further, the front end of described vacuum interrupter is provided with contact arm, is provided with lower electric conductor in this contact arm, and one end of this lower electric conductor is communicated with fixed contact in vacuum interrupter, and the other end of this lower electric conductor is provided with lower Mume flower contact.
The utility model ring shielding layer wraps copper conducting ring, such copper conducting ring is first conductively-closed layer ground connection in discharge process outward, thus partial discharge can be avoided to cause the decline of insulation property, in the present embodiment, screen adopts sub-conductor shield to carry out degree of depth shielding, extend the useful life of electric equipment, safe and reliable, prevent the generation of production accident.
Accompanying drawing explanation
Fig. 1 is a kind of cutaway view of vacuum load switch-fuse combined electrical equipment;
Fig. 2 is a kind of overall structure figure of vacuum load switch-fuse combined electrical equipment.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.
Embodiment:
A kind of vacuum load switch-fuse combined electrical equipment, Fig. 1 is a kind of cutaway view of vacuum load switch-fuse combined electrical equipment, as shown in Figure 1, comprise vacuum load switch 100 and three fuses 200, this vacuum load switch 100 and three fuses 200 are all arranged on chassis vehicle 300, and this vacuum load switch 100 and three fuses 200 connect into three-phase integrated device; This vacuum load switch 100 comprises operating mechanism 101 and three vacuum interrupters 102, the equal sealing of each vacuum interrupter 102 is in insulation crust 103, three vacuum interrupters 102 are connected with described three fuses 200 respectively, be provided with moving contact and fixed contact in each vacuum interrupter 102, described operating mechanism 101 be connected with described fuse 200 can control moving contact and fixed contact in described vacuum interrupter 102 deciliter;
As shown in Figure 1, described fuse 200 is arranged in the fuse unit 201 of poured with epoxy resin formation, this fuse unit 201 rear end is provided with the copper conducting ring 202 and ring shielding layer 203 that are communicated with described vacuum interrupter 102 in advance, the inner peripheral wall that this copper conducting ring 202 is set in advance in described fuse unit 201 is wrapped up by this ring shielding layer 203, after described fuse unit 201 moulding by casting, described ring shielding layer 203 and copper conducting ring 202 become an entirety with this fuse unit 201.
The present embodiment ring shielding layer wraps copper conducting ring, such copper conducting ring is first conductively-closed layer ground connection in discharge process outward, thus partial discharge can be avoided to cause the decline of insulation property, in the present embodiment, screen adopts sub-conductor shield to carry out degree of depth shielding, extend the useful life of electric equipment, safe and reliable, prevent the generation of production accident.
On the basis of above-described embodiment, preferably, Fig. 2 is a kind of overall structure figure of vacuum load switch-fuse combined electrical equipment, as shown in Figure 2, described fuse unit 201 extends to form a convex platform 2011 downwards, described insulation crust 103 upwards extends to form a lower convex platform 1031, and described convex platform 2011 is located on this lower convex platform 1031;
As shown in Figure 1, described copper conducting ring 202 extends to form the integrated extension 204 with this copper conducting ring 202 to the end of described convex platform 2011, is provided with copper insert 107 and is communicated with by the extension 204 of this copper insert 107 with described copper conducting ring 202 in described lower convex platform 1031.
In the present embodiment copper conducting ring and its extension one-body molded, integrated structure can simplify manufacturing process, enhances productivity.
On the basis of above-described embodiment, preferably, as shown in Figure 1, the front end of described fuse unit 201 is provided with electric conductor 205, and on this, one end of electric conductor 205 is connected with described fuse 200, and on this, the other end of electric conductor 205 is provided with Mume flower contact 206.
On the basis of above-described embodiment, preferably, as shown in Figure 1, the front end of described vacuum interrupter 102 is provided with contact arm 104, lower electric conductor 105 is provided with in this contact arm 104, one end of this lower electric conductor 105 is communicated with fixed contact in vacuum interrupter 102, and the other end of this lower electric conductor 105 is provided with lower Mume flower contact 106.
Each embodiment is only in order to illustrate the technical solution of the utility model above, but the utility model is not limited to this execution mode, person of ordinary skill in the field possess ken in, under the prerequisite not departing from the utility model aim, can also make a variety of changes.Person of ordinary skill in the field is from above-mentioned design, and without performing creative labour, done all conversion, all drop in protection range of the present utility model.
Claims (4)
1. a vacuum load switch-fuse combined electrical equipment, comprises vacuum load switch and three fuses, and this vacuum load switch and three fuses connect into three-phase integrated device; This vacuum load switch comprises operating mechanism and three vacuum interrupters, the equal sealing of each vacuum interrupter is in insulation crust, three vacuum interrupters are connected with described three fuses respectively, each vacuum extinction indoor are provided with moving contact and fixed contact, described operating mechanism be connected with described fuse can control moving contact and fixed contact in described vacuum interrupter deciliter; It is characterized in that:
Described fuse is arranged in the fuse unit of poured with epoxy resin formation, this fuse unit rear end is provided with the copper conducting ring and ring shielding layer that are communicated with described vacuum interrupter in advance, the inner peripheral wall that this copper conducting ring is set in advance in described fuse unit is wrapped up by this ring shielding layer, after described fuse unit moulding by casting, described ring shielding layer and copper conducting ring and this fuse unit become one overall.
2. a kind of vacuum load switch-fuse combined electrical equipment according to claim 1, is characterized in that, described fuse unit extends to form a convex platform downwards, and described insulation crust upwards extends to form a lower convex platform, and described convex platform is located on this lower convex platform;
Described copper conducting ring extends to form and the integrated extension of this copper conducting ring to the end of described convex platform, is provided with copper insert and is communicated with by the extension of this copper insert with described copper conducting ring in described lower convex platform.
3. a kind of vacuum load switch-fuse combined electrical equipment according to claim 1, it is characterized in that, the front end of described fuse unit is provided with electric conductor, and on this, one end of electric conductor is connected with described fuse, and on this, the other end of electric conductor is provided with Mume flower contact.
4. a kind of vacuum load switch-fuse combined electrical equipment according to the arbitrary claim of claims 1 to 3, it is characterized in that, the front end of described vacuum interrupter is provided with contact arm, lower electric conductor is provided with in this contact arm, one end of this lower electric conductor is communicated with fixed contact in vacuum interrupter, and the other end of this lower electric conductor is provided with lower Mume flower contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520640926.7U CN204927173U (en) | 2015-08-24 | 2015-08-24 | Vacuum load switch - fuse combined electrical apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520640926.7U CN204927173U (en) | 2015-08-24 | 2015-08-24 | Vacuum load switch - fuse combined electrical apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204927173U true CN204927173U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520640926.7U Active CN204927173U (en) | 2015-08-24 | 2015-08-24 | Vacuum load switch - fuse combined electrical apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN204927173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373823A (en) * | 2016-12-07 | 2017-02-01 | 协成科技股份有限公司 | Load switch-fuse combined electric appliance |
-
2015
- 2015-08-24 CN CN201520640926.7U patent/CN204927173U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106373823A (en) * | 2016-12-07 | 2017-02-01 | 协成科技股份有限公司 | Load switch-fuse combined electric appliance |
| CN106373823B (en) * | 2016-12-07 | 2020-02-04 | 协成科技股份有限公司 | Load switch-fuse combined electrical apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Vacuum load switch-fuse mechanical interlocking device for electric appliance combination Effective date of registration: 20160819 Granted publication date: 20151230 Pledgee: Jimei Xiamen District Finance Company limited by guarantee Pledgor: Xiamen XEC Electric Co., Ltd. Registration number: 2016350000079 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20180103 Granted publication date: 20151230 Pledgee: Jimei Xiamen District Finance Company limited by guarantee Pledgor: Xiamen XEC Electric Co., Ltd. Registration number: 2016350000079 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Vacuum load switch-fuse mechanical interlocking device for electric appliance combination Effective date of registration: 20180530 Granted publication date: 20151230 Pledgee: Jimei Xiamen District Finance Company limited by guarantee Pledgor: Xiamen XEC Electric Co., Ltd. Registration number: 2018990000420 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200120 Granted publication date: 20151230 Pledgee: Jimei Xiamen District Finance Company limited by guarantee Pledgor: Xiamen XEC Electric Co., Ltd. Registration number: 2018990000420 |