CN203277305U - Outdoor alternating-current fuse of high-pressure injection type - Google Patents
Outdoor alternating-current fuse of high-pressure injection type Download PDFInfo
- Publication number
- CN203277305U CN203277305U CN 201320294083 CN201320294083U CN203277305U CN 203277305 U CN203277305 U CN 203277305U CN 201320294083 CN201320294083 CN 201320294083 CN 201320294083 U CN201320294083 U CN 201320294083U CN 203277305 U CN203277305 U CN 203277305U
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- fuse
- static contact
- connecting plate
- electrode connecting
- cartridge fuse
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Abstract
The utility model discloses an outdoor alternating-current fuse of a high-pressure injection type. The main points of the technical scheme of the utility model lie in that the fuse comprises a supporting insulator, a fuse tube, an upper electrode connecting plate and a lower electrode connecting plate which are respectively disposed at two ends of the supporting insulator and used for wiring, a static contact piece which is electrically connected with the upper electrode connecting plate, a rain cover which is disposed above the static contact piece, a spring disposed between the static contact piece and the rain cover, a pressure release cap which is disposed at the upper end of the fuse tube and electrically connected with the static contact piece, a support frame and a trunnion which are disposed at the lower end of the supporting insulator and used for the flexible connection of the fuse tube, and a fuse wire disposed inside the fuse tube; that one end of the fuse wire is compressed through the pressure release cap which is disposed at the upper end of the fuse tube; that the other end, opposite to the end, of the fuse wire is fixed on the lower electrode connecting plate via a hair plate with a small spring; that the hair plate is provided with a groove which is used for limiting the fuse wire to break away. The outdoor alternating-current fuse can effectively protect the fuse wire from breaking away in the situations of vibration, impact and heat washing, can be avoided from falling off wrongly, so as to enable equipment to work stably.
Description
Technical field
The utility model relates to a kind of fuse, is specifically related to a kind of outdoor AC high-voltage injection type fuse.
Background technology
The outdoor high-voltage alternating current fuse switch is made of following several parts, includes to prop up
Post insulator, cartridge fuse, post insulator be fixed with respectively up and down top electrode connecting plate and bottom electrode connecting plate, fixedly static contact and rain cover successively above the top electrode connecting plate, be provided with spring between static contact and rain cover, be fixed with support on the bottom electrode connecting plate and with the gudgeon of support assorted with send out a plate, be provided with fuse in cartridge fuse, fuse one end compresses by the pressure releasing cap of cartridge fuse upper end setting, the fuse other end on the other side is fixed on the bottom electrode connecting plate through sending out plate, and fuse is in tension.
In existing product, static contact compresses pressure releasing cap under the effect of spring, and the other end of fuse is in tension through sending out a plate and being fixed on the bottom electrode connecting plate and makes cartridge fuse be in normal "on" position in cartridge fuse.Because send out plate not through processing, when washing away, vibration, impact and heat easily cause the mistake of fuse to come off when running into, and cause equipment normally not use.
The utility model content
Deficiency for the prior art existence, the utility model provides a kind of outdoor AC high-voltage injection type fuse, this outdoor AC high-voltage injection type fuse can effectively prevent fuse in the situation that vibration, impact and hot washing away come off, and avoids the fuse mistake to fall, and the equipment work of making is more stable.
for achieving the above object, the utility model provides following technical scheme: a kind of outdoor AC high-voltage injection type fuse, comprise post insulator, cartridge fuse, be arranged on top electrode connecting plate and bottom electrode connecting plate that post insulator two ends are used for wiring, the static contact that is electrically connected to the top electrode connecting plate, be arranged on the rain cover of static contact top, be arranged on the spring between static contact and rain cover, be arranged on the pressure releasing cap that the cartridge fuse upper end is electrically connected to static contact, be arranged on support and the gudgeon of post insulator lower end confession cartridge fuse flexible connection and be arranged on the interior fuse of cartridge fuse, described fuse one end compresses by the pressure releasing cap of cartridge fuse upper end setting, the other end on the other side is fixed on the bottom electrode connecting plate through the plate of sending out with little spring, be provided with the groove that the restriction fuse breaks away from described plate.
by adopting technique scheme, fuse one end compresses by the pressure releasing cap of cartridge fuse upper end setting, the other end on the other side is fixed on the bottom electrode connecting plate through the plate of sending out with little spring, send out and be provided with the groove that the restriction fuse breaks away from plate, when this outdoor AC high-voltage injection type fuse normal operation, fuse is in tension always under the effect of sending out plate, because send out on plate and be provided with groove, fuse is tightened up through sending out plate and just being arranged in this groove, fuse can not produce skew through the position of sending out on plate, can prevent effectively that fuse is in vibration, impact in the situation of washing away with heat and come off from sending out a plate, avoid the fuse mistake to fall, the equipment work of making is more stable.
The utility model further is set to, and is provided with the concave surface suitable with pressure releasing cap on described static contact.
By adopting technique scheme, be provided with the concave surface of adaptive pressure releasing cap on static contact, adopted Embedded contact structure of contact terminal, greatly increased the contact area of static contact and pressure releasing cap, contact resistance value is obviously reduced, effectively avoid producing in combined floodgate, separating brake process electric arc and burnt contact, improved the security reliability of combined floodgate, sub-switching operation, avoid fuse self is damaged, when preventing from simultaneously being subject in the fuse course of work vibration, impact and heat and washing away, pressure releasing cap and static contact produce skew and cause loose contact.
The utility model further is set to, and is provided with silver coating on the contact-making surface of described static contact and pressure releasing cap.
By adopting technique scheme, be provided with silver coating on the contact-making surface of static contact and pressure releasing cap, guarantee that major loop resistance is lower, reduce the heating of contact portion, make the product operation more reliable.
The utility model further is set to, and the interior tube chamber of described cartridge fuse is stepped expanding tube chamber, and tube chamber is expanded step by step from pressure releasing cap to cartridge fuse lower end in cartridge fuse, and described cartridge fuse is single-ended exhaust.
By adopting technique scheme, the interior tube chamber of cartridge fuse is stepped expanding tube chamber, expand step by step from pressure releasing cap to cartridge fuse lower end, for the strong arc extinguishing air-flow of instantaneous burst provides enough outburst spaces, to avoid the explosion suddenly under the air blast outburst is impacted of cartridge fuse inside, cartridge fuse is downward single-ended exhaust simultaneously, avoids upwards spraying, cause unnecessary mechanical damage or short circuit, greatly improved the performance of cut-offfing short circuit current of fuse.
The utility model further is set to, and the Luminous mark label are posted on described cartridge fuse surface.
By adopting technique scheme, be beneficial to operating personnel's night time operation, alleviate its labour intensity.
Description of drawings
Fig. 1 is the structural representation of the utility model outdoor AC high-voltage injection type fuse;
Fig. 2 is the A section enlarged drawing of Fig. 1;
Fig. 3 is the floor map of the utility model outdoor AC high-voltage injection type fuse;
Fig. 4 is the B section enlarged drawing of Fig. 3.
Reference numeral: 1, post insulator; 2, cartridge fuse; 31, top electrode connecting plate; 32, bottom electrode connecting plate; 4, static contact; 5, rain cover; 6, spring; 7, pressure releasing cap; 81, support; 82, gudgeon; 91, send out plate; 92, groove; 10, fuse.
Embodiment
Referring to figs. 1 through Fig. 4, the utility model outdoor AC high-voltage injection type fuse embodiment is described further.
a kind of outdoor AC high-voltage injection type fuse, comprise post insulator 1, cartridge fuse 2, be arranged on top electrode connecting plate 31 and bottom electrode connecting plate 32 that post insulator 1 two ends are used for wiring, the static contact 4 that is electrically connected to top electrode connecting plate 31, be arranged on the rain cover 5 of static contact 4 tops, be arranged on the spring 6 between static contact 4 and rain cover 5, be arranged on the pressure releasing cap 7 that cartridge fuse 2 upper ends are electrically connected to static contact 4, be arranged on support 81 and the gudgeon 82 of post insulator 1 lower end confession cartridge fuse 2 flexible connections and be arranged on the interior fuse 10 of cartridge fuse 2, fuse 10 1 ends compress by the pressure releasing cap 7 of cartridge fuse 2 upper ends settings, the other end on the other side is fixed on bottom electrode connecting plate 32 through the plate 91 of sending out with little spring, send out and be provided with the groove 92 that restriction fuse 10 breaks away from plate 91.
by adopting technique scheme, fuse 10 1 ends compress by the pressure releasing cap 7 of cartridge fuse 2 upper ends settings, the other end on the other side is fixed on bottom electrode connecting plate 32 through the plate 91 of sending out with little spring, send out and be provided with the groove 92 that restriction fuse 10 breaks away from plate 91, when this outdoor AC high-voltage injection type fuse normal operation, fuse 10 is in tension always under the effect of sending out plate 91, because send out on plate 91 and be provided with groove 92, fuse 10 is tightened up through sending out plate 91 and just being arranged in this groove 92, fuse 10 can not produce skew through the position of sending out on plate 91, can prevent effectively that fuse 10 is in vibration, impact in the situation of washing away with heat and come off from sending out a plate 91, avoid the fuse mistake to fall, the equipment work of making is more stable.
Be provided with the concave surface suitable with pressure releasing cap 7 on static contact 4.
By adopting technique scheme, be provided with the concave surface of adaptive pressure releasing cap 7 on static contact 4, adopted Embedded contact structure of contact terminal, greatly increased the contact area of static contact 4 with pressure releasing cap 7, contact resistance value is obviously reduced, effectively avoid producing in combined floodgate, separating brake process electric arc and burnt contact, improved the security reliability of combined floodgate, sub-switching operation, avoid fuse self is damaged, when preventing from simultaneously being subject in the fuse course of work vibration, impact and heat and washing away, pressure releasing cap 7 produces skew and causes loose contact with static contact 4.
Be provided with silver coating on the contact-making surface of described static contact 4 and pressure releasing cap 7.
By adopting technique scheme, be provided with silver coating on the contact-making surface of static contact 4 and pressure releasing cap 7, guarantee that major loop resistance is lower, reduce the heating of contact portion, make the product operation more reliable.
The interior tube chamber of described cartridge fuse 2 is stepped expanding tube chamber, and the interior tube chamber of cartridge fuse 2 is expanded step by step from pressure releasing cap 7 to cartridge fuse 2 lower ends, and cartridge fuse 2 is single-ended exhaust.
By adopting technique scheme, the interior tube chamber of cartridge fuse 2 is stepped expanding tube chamber, expand step by step from pressure releasing cap 7 to cartridge fuse 2 lower ends, for the strong arc extinguishing air-flow of instantaneous burst provides enough outburst spaces, to avoid the explosion suddenly under the air blast outburst is impacted of cartridge fuse 2 inside, cartridge fuse 2 is downward single-ended exhaust simultaneously, avoids upwards spraying, cause unnecessary mechanical damage or short circuit, greatly improved the performance of cut-offfing short circuit current of fuse.
The Luminous mark label are posted on described cartridge fuse 2 surfaces.
By adopting technique scheme, be beneficial to operating personnel's night time operation, alleviate its labour intensity.
The above is only preferred implementation of the present utility model, and protection range of the present utility model also not only is confined to above-described embodiment, and all technical schemes that belongs under the utility model thinking all belong to protection range of the present utility model.Should be pointed out that for those skilled in the art, in the some improvements and modifications that do not break away under the utility model principle prerequisite, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. outdoor AC high-voltage injection type fuse, comprise post insulator, cartridge fuse, be arranged on top electrode connecting plate and bottom electrode connecting plate that post insulator two ends are used for wiring, the static contact that is electrically connected to the top electrode connecting plate, be arranged on the rain cover of static contact top, be arranged on the spring between static contact and rain cover, be arranged on the pressure releasing cap that the cartridge fuse upper end is electrically connected to static contact, be arranged on support and the gudgeon of post insulator lower end confession cartridge fuse flexible connection and be arranged on the interior fuse of cartridge fuse, described fuse one end compresses by the pressure releasing cap of cartridge fuse upper end setting, the other end on the other side is fixed on the bottom electrode connecting plate through the plate of sending out with little spring, it is characterized in that: be provided with the groove that the restriction fuse breaks away from described plate.
2. a kind of outdoor AC high-voltage injection type fuse according to claim 1, is characterized in that: be provided with the concave surface suitable with pressure releasing cap on described static contact.
3. a kind of outdoor AC high-voltage injection type fuse according to claim 2, is characterized in that: be provided with silver coating on the contact-making surface of described static contact and pressure releasing cap.
4. a kind of outdoor AC high-voltage injection type fuse according to claim 3, it is characterized in that: the interior tube chamber of described cartridge fuse is stepped expanding tube chamber, tube chamber is expanded step by step from pressure releasing cap to cartridge fuse lower end in cartridge fuse, and described cartridge fuse is single-ended exhaust.
5. a kind of outdoor AC high-voltage injection type fuse according to claim 4 is characterized in that: the Luminous mark label are posted on described cartridge fuse surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320294083 CN203277305U (en) | 2013-05-25 | 2013-05-25 | Outdoor alternating-current fuse of high-pressure injection type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320294083 CN203277305U (en) | 2013-05-25 | 2013-05-25 | Outdoor alternating-current fuse of high-pressure injection type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203277305U true CN203277305U (en) | 2013-11-06 |
Family
ID=49507661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320294083 Expired - Fee Related CN203277305U (en) | 2013-05-25 | 2013-05-25 | Outdoor alternating-current fuse of high-pressure injection type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203277305U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031031A (en) * | 2018-07-20 | 2018-12-18 | 北京中电普华信息技术有限公司 | A kind of detection method and device of fuse state |
| CN110379689A (en) * | 2019-06-18 | 2019-10-25 | 浙江伏尔特电器有限公司 | Fuse switch |
-
2013
- 2013-05-25 CN CN 201320294083 patent/CN203277305U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031031A (en) * | 2018-07-20 | 2018-12-18 | 北京中电普华信息技术有限公司 | A kind of detection method and device of fuse state |
| CN109031031B (en) * | 2018-07-20 | 2020-08-14 | 北京国电通网络技术有限公司 | Method and device for detecting state of fuse |
| CN110379689A (en) * | 2019-06-18 | 2019-10-25 | 浙江伏尔特电器有限公司 | Fuse switch |
| CN110379689B (en) * | 2019-06-18 | 2021-06-11 | 浙江伏尔特电器有限公司 | Drop-out fuse |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20150525 |
|
| EXPY | Termination of patent right or utility model |