CN102810438B - Automatic releasing mechanism and application - Google Patents
Automatic releasing mechanism and application Download PDFInfo
- Publication number
- CN102810438B CN102810438B CN201210276422.2A CN201210276422A CN102810438B CN 102810438 B CN102810438 B CN 102810438B CN 201210276422 A CN201210276422 A CN 201210276422A CN 102810438 B CN102810438 B CN 102810438B
- Authority
- CN
- China
- Prior art keywords
- fuse
- cam body
- release pin
- cam
- action
- 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.)
- Active
Links
Landscapes
- Fuses (AREA)
Abstract
The invention provides an automatic releasing mechanism and an application, and belongs to electrics. According to the automatic releasing mechanism, a cam body is arranged in a containing chamber at one end of a body and movably connected to the body, wherein the cam body is connected with a releasing pin, and another connecting part of the cam body is connected with an arresting pin, wherein one end of another releasing pin passes through a through hole of an end cover to control and drive an interlocking mechanism in a distributing line to switch; a fuse contact is arranged at the other end of the body; a fuse clamp for installing a fuse is fixed to the fuse contact; a fuse impacting pin arranged on the fuse in an extending way is contacted with one end of a releasing pin, and the other end of the releasing pin passes through a movable matching through hole on the body to be contacted with the cam body and applying force on a cam; a releasing mechanism provided with the fuse is arranged on a fuse unit housing through a locking component; and the whole fuse unit structure is applied to being arranged in an electric interlocking system. The automatic releasing mechanism achieves the safety in use and has high reliability, is simple to operate, free of maintenance, convenient to install and has practicability.
Description
Technical field
The present invention relates to electric information, for a kind of self-action fuse tripping mechanism and usage are provided, be espespecially applicable to rated voltage 12-24KV; frequency 50HZ, the protection of three-phase ac power system power, is used safety; reliability is high, self-action fuse tripping mechanism and usage easy for installation.
Background technology
In current 12KV distribution system, SF6 gas-filling cabinet is widely used, and it has use safety, and reliability is high, simple to operate, non-maintaining, easy for installation, and the feature such as be not affected by the external environment.But the cabinet overall dimensions of this gas-filling cabinet receive much concern, and the size of cabinet directly affects cost, and the general volume of existing this kind of gas-filling cabinet is larger, can not meet the needs of distribution system.
Summary of the invention
The object of the present invention is to provide a kind of volume little, move self-action fuse tripping mechanism efficiently.
One self-action fuse tripping mechanism, it is characterized in that: fuse tripping mechanism carrys out protective circuit by mechanical chain, there is mutually short trouble when fusing when arbitrary in three-phase electricity, fuse blows and releasing energy ejects fuse striker, another release pin action of fuse hammer-driven, and this another release pin makes cam body stressed, cause cam body to rotate and drive release pin action, stretch out the release pin effect control switch of end cap, control switch tripping operation is also made fuse blows demonstration by electrical instrumentation, can effectively prevent the interoperability of switch; It mainly comprises the cam body being installed in body containing cavity, the release pin contacting from the different protuberances of this cam body and another release pin, and be installed on the contact of body the other end and its fuse, this tripping mechanism locking member that installs fuse is arranged on fuse unit shell, and fuse unit overall structure is used for being installed to electrical interlocks system, concrete structure is:
In the accommodating die cavity that one end of body and end cap form, be provided with a cam body, this cam body is movably connected on body, forms the center of rotation of this cam body; A junction position of cam body is connected with release pin, and another connecting portion is connected with spacer pin, and one end of this spacer pin is movably connected on body, is provided with to limit the spring that cam body arbitrarily rotates between the rotation axis of spacer pin and cam body; Wherein act on one end of the release pin of the control switch of interlocking gear in distribution line through the through hole of end cap, act on the control switch of interlocking gear in distribution line, because the rotation of cam body makes control switch in off-state, reach the object of controlling the switch trip of interlocking gear in distribution line, and make fuse blows instruction by electrical instrumentation;
Body the other end is provided with contact, fuse clips for fixing fuse is fixed on contact, the fuse striker that be arranged in fuse clips, stretches out contact contacts with one end of release pin, and the other end of release pin is through the movable through hole that coordinates of one on body, contact with a protuberance of cam body, and force in cam.
Body has in the sealed faying face contour structures with tapering being installed on fuse unit, and this body is provided with the locking member being fixedly connected with fuse unit.
One end of body is embedded with at least 4 nuts in order to be connected with end cap, and the other end of body is embedded with at least 4 nuts in order to be fixedly connected with contact.
Body is by nylon 66 cast moldings.
Fuse contact is made up through blanking, die mould and zincincation of copper coin.
A usage for self-action fuse tripping mechanism, is characterized in that:
A, first fuse is installed in fuse clips fixingly, the striker of fuse contacts with an end of release pin;
B, utilize locking member that self-action fuse tripping mechanism is arranged on the support ring of fuse unit, and be installed to electrical interlocks system;
C, in the time there is short trouble in this electrical interlocks system, the energy that fuse blows discharges makes fuse eject from striker, fuse striker clashes into another release pin, another release pin acts on cam body, due to the stressed and compressed restriction effect losing cam body of spring of spacing cam body, and cam body is rotated;
D, cam body order about the motion of release pin, and then the switch trip of shake-up electric controling switch, and on the computer of electrical instrumentation or monitoring, make fuse blows show, provide electric control system monitor staff to send this electrical system information that breaks down, to carry out the maintenance of this electrical system, the operation of resuming operation, whole motion process is chain motion.
The novel advantage of the present invention is:
1,, owing to adopting fuse tripping of the present invention mechanism, make that the external molded dimension of power distribution cabinet obviously dwindles, assembly difficulty reduces, thereby reduced the manufacturing cost of power distribution cabinet.
2, the present invention is easy for installation, and in electrical system, this self-action of on-load switch fuse tripping device protection plays a role, fault rate lower than 1,000,000/, and function-stable is reliable, reliability reaches 100%.
3, parts of the present invention position is by the accommodating die cavity location of body, and assembly precision is high, use specific purpose tool, and assembly process is fixed, and productivity ratio is high.
4, processing of the present invention, assembly technology are simplified, and are applicable to producing in enormous quantities and streamlined operation.
Brief description of the drawings
Fig. 1 is end view schematic diagram of the present invention.
Fig. 2 is composition structure A-A of the present invention (90-degree rotation) profile.
Sequence number implication in accompanying drawing: 1. release pin, 2. end cap, 3. body, 4. contact, 5. fuse clips, 6. cam body, 7. fuse striker, 8. another release pin, 9. spring, 10. spacer pin, 11. locking members, 12. support rings, 13. fuses, 14. control switchs.
Embodiment
If accompanying drawing 1 is with as shown in accompanying drawing 2, the present invention mainly comprises body 3, be movably connected in the cam body 6 in the containing cavity that body 3 and end cap 2 form, be arranged on contact 4 and the fuse thereof of an end on body 3, another release pin 8 of inconsistent with a protuberance of cam body 6, to act on this cam body 6 protuberance; Another protuberance on the other end of body 3 and cam body 6 is inconsistent, by the release pin that active force acted on 1 of these cam body 6 protuberances, this release pin 1 acts on mutually with the control switch 14 in electrical system, concrete structure is:
In the accommodating die cavity that one end of body 3 and end cap 2 form, be provided with a cam body 6, this cam body 6 is movably connected on body 3, forms the center of rotation of this cam body, cam body 6 a junction positions are connected with release pin 1, another connecting portion is connected with spacer pin 10, the other end of this spacer pin 10 is movably connected on body 3, between the rotation axis of spacer pin 10 and cam body 6, be provided with to limit the spring 9 that cam body 6 arbitrarily rotates, wherein the other end of release pin 1 is through a through hole of end cap 2, inconsistent with the control switch 14 of interlocking gear in distribution line, because the rotation of cam body 6 makes control switch 14 in off-state, reach the object of controlling the switch trip of interlocking gear in distribution line, and make fuse blows instruction by electrical instrumentation.
Body 3 the other end are provided with fuse contact 4, be fixed on fuse contact 4 for the fuse clips 5 that fixedly mounts device 13, support ring 12 is fixed on fuse contact 4 and body 3 thereof, is installed in fuse unit shell procedure and play the guiding role in fuse tripping mechanism; The fuse striker 7 that be arranged in fuse clips 5, stretches out fuse contact 4 contacts with one end of another release pin 8, and the other end of another release pin 8 is through the movable through hole that coordinates of one on body 3, contact with a protuberance of cam body 6, and can force in cam 6.
Body 3 has the sealed faying face contour structures with tapering that is suitable for being installed on fuse unit shell, be provided with and be convenient to the locking member 11 that is solidly connected mutually with fuse unit shell, its fuse tripping mechanism locking member 11 that installs fuse 13 is arranged on the shell of fuse unit (fuse unit shell is not shown in the drawings);
One end of body 3 is embedded with 4 M6 nuts in order to be connected with end cap 2, and the other end of body 3 is embedded with 4 M6 nuts in order to be fixedly connected with contact 4 and support ring 12;
Body 3 is by nylon 66 cast moldings;
Fuse contact 4 is made up through blanking, die mould and zincincation of 4.0 copper coins.
The present invention in use, first fuse is installed on fuse clips 5 contact 4 fixing, the striker of fuse contacts with an end of another release pin, be fixed on locking member 11 on body 3 in utilization fuse tripping mechanism overall structure is arranged on fuse unit shell, and fuse unit is installed in locking system.When arbitrary fusing mutually in three-phase circuit fuse is while occurring short trouble, fuse is fused and is released energy, the energy discharging ejects the striker 7 of fuse self, striker clashes into another release pin 8, another release pin 8 acts on a protuberance of cam body 6, and force in cam 6, the spring 9 of installing at the fixed-axis rotation between centers of spacer pin 10 half the circumference of the sleeve where it joins the shoulder portions and cam body, when exceeding the elastic force limit and losing the position-limiting action to cam 6, cause wheel 6 to rotate around the rotation axis being flexibly connected with body, the release pin 1 that band is automatically connected on body 3 moves, and then the control switch 14 that touches interlocking gear makes switch trip, and on the computer of electrical instrumentation or monitoring, make fuse blows and indicate.
Claims (6)
1. a self-action fuse tripping mechanism, it is characterized in that: fuse tripping mechanism carrys out protective circuit by mechanical chain, there is mutually short trouble when fusing when arbitrary in three-phase electricity, fuse blows and releasing energy ejects fuse striker (7), fuse striker (7) drives another release pin (8) action, and this another release pin (8) makes cam body (6) stressed, cause cam body (6) to rotate and drive release pin (1) action, stretch out release pin (1) the effect control switch (14) of end cap, control switch (14) tripping operation is also made fuse (13) fusing demonstration by electrical instrumentation, can effectively prevent the interoperability of switch, it mainly comprises the cam body (6) being installed in body (3) containing cavity, the release pin (1) contacting from the different protuberances of this cam body (6) and another release pin (8), and be installed on contact (4) and its fuse of body (3) the other end, this locking member for tripping mechanism (11) that installs fuse is arranged on fuse unit shell, and fuse unit overall structure is used for being installed to electrical interlocks system, concrete structure is:
In the accommodating die cavity that one end of body (3) and end cap (2) form, be provided with a cam body (6), it is upper that this cam body (6) is movably connected in body (3), forms the center of rotation of this cam body (6); A junction position of cam body (6) is connected with release pin (1), another connecting portion is connected with spacer pin (10), it is upper that one end of this spacer pin (10) is movably connected in body (3), is provided with to limit the spring (9) that cam body (6) arbitrarily rotates between the rotation axis of spacer pin (10) and cam body (6); The through hole of end cap (2) is passed in the one end that wherein acts on the release pin (1) of the control switch (14) of interlocking gear in distribution line, act on the control switch (14) of interlocking gear in distribution line, because the rotation of cam body (6) makes control switch (14) in off-state, reach the object of controlling the switch trip of interlocking gear in distribution line, and make fuse blows instruction by electrical instrumentation;
Body (3) the other end is provided with contact (4), fuse clips (5) for fixing fuse is fixed on contact (4), being arranged on fuse clips (5) fuse striker (7) upper, that stretch out contact (4) contacts with one end of another release pin (8), and the other end of another release pin (8) is through the movable through hole that coordinates of one on body (3), with a protuberance of cam body (6) contacts, and force in cam body (6).
2. foundation self-action fuse tripping claimed in claim 1 mechanism, it is characterized in that: body (3) has in the sealed faying face contour structures with tapering being installed on fuse unit, and this body (3) is provided with the locking member (11) being fixedly connected with fuse unit.
3. foundation self-action fuse tripping claimed in claim 1 mechanism, it is characterized in that: one end of body (3) is embedded with at least 4 nuts in order to be connected with end cap (2), the other end of body (3) is embedded with at least 4 nuts in order to be fixedly connected with contact (4).
4. foundation self-action fuse tripping claimed in claim 1 mechanism, is characterized in that: body (3) is by nylon 66 cast moldings.
5. foundation self-action fuse tripping claimed in claim 1 mechanism, is characterized in that: fuse contact (4) is made up through blanking, die mould and zincincation of copper coin.
6. a usage for self-action fuse tripping mechanism, is characterized in that:
A, first fuse is installed in fuse clips fixingly, the striker of fuse contacts with an end of another release pin (8);
B, utilize locking member that self-action fuse tripping mechanism is arranged on the support ring of fuse unit, and be installed to electrical interlocks system;
C, in the time there is short trouble in this electrical interlocks system, the energy that fuse blows discharges makes fuse eject from striker (7), fuse striker (7) clashes into another release pin (8), another release pin (8) acts on cam body (6), due to the stressed and compressed restriction effect losing cam body of spring of spacing cam body (6), and cam body is rotated;
D, cam body (6) order about the motion of release pin (1), and then the switch trip of shake-up electric controling switch (14), and on the computer of electrical instrumentation or monitoring, make fuse blows show, provide electric control system monitor staff to send this electrical system information that breaks down, to carry out the maintenance of this electrical system, the operation of resuming operation, whole motion process is chain motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210276422.2A CN102810438B (en) | 2012-08-06 | 2012-08-06 | Automatic releasing mechanism and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210276422.2A CN102810438B (en) | 2012-08-06 | 2012-08-06 | Automatic releasing mechanism and application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102810438A CN102810438A (en) | 2012-12-05 |
| CN102810438B true CN102810438B (en) | 2014-08-06 |
Family
ID=47234123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210276422.2A Active CN102810438B (en) | 2012-08-06 | 2012-08-06 | Automatic releasing mechanism and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102810438B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108376632B (en) * | 2018-05-03 | 2024-01-16 | 杭州布雷科电气有限公司 | Self-triggering rapid breaker and triggering method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB333207A (en) * | 1929-05-03 | 1930-08-05 | Crompton Parkinson Ltd | Improvements in fusible electric cut-outs |
| CN201689855U (en) * | 2010-04-23 | 2010-12-29 | 广西银河迪康电气有限公司 | Fuse |
| CN101937806A (en) * | 2009-06-30 | 2011-01-05 | 浙江赛菲特电气有限公司 | Switching mechanism for falling fuse |
| CN101937810A (en) * | 2009-06-30 | 2011-01-05 | 浙江赛菲特电气有限公司 | Latching device for switching on-off mechanism of dropout fuse |
| CN101937802A (en) * | 2009-06-30 | 2011-01-05 | 浙江赛菲特电气有限公司 | Resetting device for switching on/off mechanism in dropping type fuse |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003069647A1 (en) * | 2002-02-15 | 2003-08-21 | Grupo Ormazabal, S.A. | Transmission system for tripping a fuse holder |
-
2012
- 2012-08-06 CN CN201210276422.2A patent/CN102810438B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB333207A (en) * | 1929-05-03 | 1930-08-05 | Crompton Parkinson Ltd | Improvements in fusible electric cut-outs |
| CN101937806A (en) * | 2009-06-30 | 2011-01-05 | 浙江赛菲特电气有限公司 | Switching mechanism for falling fuse |
| CN101937810A (en) * | 2009-06-30 | 2011-01-05 | 浙江赛菲特电气有限公司 | Latching device for switching on-off mechanism of dropout fuse |
| CN101937802A (en) * | 2009-06-30 | 2011-01-05 | 浙江赛菲特电气有限公司 | Resetting device for switching on/off mechanism in dropping type fuse |
| CN201689855U (en) * | 2010-04-23 | 2010-12-29 | 广西银河迪康电气有限公司 | Fuse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102810438A (en) | 2012-12-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102243957B (en) | Moulded case circuit breaker with residual current protection | |
| CN102170095A (en) | Diversified high-voltage full-automatic moved handcart | |
| CN103311840A (en) | Solid assembly unit of switchgear cubicle for loop network | |
| CN102789933B (en) | Outdoor ac high voltage drop fuse | |
| CN204289302U (en) | A kind of Sub-gate release device of circuit breaker | |
| CN102810438B (en) | Automatic releasing mechanism and application | |
| CN201937200U (en) | Diversified high-voltage fully-automatic removing-type handcart | |
| CN103441032A (en) | Single-phase vacuum circuit breaker actuated on basis of electromagnetic force | |
| CN205920943U (en) | A trip gear for circuit breaker cabinet and circuit breaker cabinet thereof | |
| CN208189469U (en) | Disconnecting switch equipped with arc initiation device | |
| CN202712099U (en) | Automatic fuse tripping mechanism | |
| CN102347175B (en) | Electronic releaser for molded case circuit breaker | |
| CN202423837U (en) | Switching-on/off device for switching apparatuses | |
| CN115050611A (en) | A circuit breaker trip gear for 10kV cubical switchboard | |
| CN208848769U (en) | A kind of long-range switching-off device of high-tension switch cabinet | |
| CN201392762Y (en) | Ground switch | |
| CN102638107B (en) | Grounding wire state signal acquisition device of transformer substation | |
| CN203134691U (en) | Three position breaker operation mechanism | |
| CN201323159Y (en) | Fixed metal-enclosed high-pressure switch apparatus | |
| CN219017559U (en) | Two-time split magnetic control quick-action type circuit breaker | |
| CN204720377U (en) | Single-phase tangible on-load switch module | |
| CN203966954U (en) | Outdoor insulative switch pole | |
| CN104091719A (en) | Outdoor insulation switch pole | |
| CN105629163B (en) | A kind of spring circuit breaker failure simulator | |
| CN219017430U (en) | Mutual inductor and breaker with multiple sensing functions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Automatic fuse release mechanism and usage Effective date of registration: 20220624 Granted publication date: 20140806 Pledgee: China Construction Bank Corporation Changchun Shuangyang sub branch Pledgor: JILIN JINGUAN ELECTRIC Co.,Ltd. Registration number: Y2022220000021 |