CN105448615A - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
- Publication number
- CN105448615A CN105448615A CN201511022614.0A CN201511022614A CN105448615A CN 105448615 A CN105448615 A CN 105448615A CN 201511022614 A CN201511022614 A CN 201511022614A CN 105448615 A CN105448615 A CN 105448615A
- Authority
- CN
- China
- Prior art keywords
- circuit breaker
- installed surface
- horizontal plane
- rotor arrangement
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/66—Power reset mechanisms
- H01H71/70—Power reset mechanisms actuated by electric motor
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- Breakers (AREA)
Abstract
The invention discloses a circuit breaker. The circuit breaker comprises a housing, and a molded case circuit breaker and a motor-operated device located below the housing; the motor-operated device comprises a shell and an operating mechanism; the shell and the molded case circuit breaker are arranged side by side; the operating mechanism comprises a support, a rotor device, a motor and a transmission mechanism; the support comprises a mounting plate, a bottom plate and a supporting plate; the mounting plate comprises two side walls and one top plate; a transmission mechanism mounting cavity is formed between the side walls, the top plate and a mounting surface; the motor is arranged below the mounting surface and arranged inside the shell; the rotor device is arranged in a rotor device mounting cavity and connected with the motor; and the transmission mechanism is arranged in the transmission mechanism mounting cavity, driven by the rotor device and acts on the molded case circuit breaker. The circuit breaker provided by the invention optimizes the layout of the circuit breaker with the motor-operated device, can be quickly installed and has the advantages of being impact in structure, small in size, and safe and reliable.
Description
Technical field
The present invention relates to a kind of circuit breaker, specifically a kind of circuit breaker with electrically operated device.
Background technology
Along with new energy technology particularly photovoltaic power generation technology development, brand-new user demand is proposed to the use occasion of circuit breaker.Use according to reality, may there is the 70%Ue below of Voltage Drop to normal voltage in distribution side, normal conditions; the normal work influence of too low voltage to power consumption equipment is very large; in order to protect power consumption equipment not to be damaged, require that circuit breaker can automatic shutdown circuit, protective device.Based on this object, isolate in time to make photo-voltaic power supply side and input the electric energy of supply side, the circuit breaker at this contact place should be able to cut off the power supply of photovoltaic side in time.And when the voltage resume operating voltage of distribution side, the circuit breaker at this contact place should be able to recover the power supply to distribution side in time.
For in above-mentioned functions to the demand that circuit breaker restores electricity in time, just must adopt and install motor-operating mechanism additional to realize in time and restoring electricity under automatically detecting.Conventional electric operating mechanism of circuit-breaker will be used in this kind of system and realize automatic recovery of power supply and install other control module additional by needing, bulky, and makes control system become complicated, and cost increases, uneconomical.
Another is along with the universal of energy-conserving and environment-protective consciousness and deeply, existing designing and developing of circuit breaker is more and more developed to miniaturization.User while content with funtion demand, usually to limited installing space as much as possible mounting related components higher requirement is proposed, to reach the target of falling this section and propping up, such demand is more and more urgent.
Summary of the invention
For the problems referred to above, the present invention will realize miniaturized economization design, to meet the demand of user in the functional requirement realizing circuit breaker automatic reclosing.
For solving the problems of the technologies described above, the technical solution used in the present invention:
A kind of circuit breaker, breaker of plastic casing under comprising case and being positioned at case and electrically operated device, electrically operated device comprises housing and operating mechanism, described housing and breaker of plastic casing are arranged side by side, described operating mechanism comprises support, rotor arrangement, motor and transmission mechanism, it is characterized in that: described support comprises mounting panel, base plate and supporting bracket, described mounting panel comprises two sidewalls and a top board, the upper surface of described sidewall comprises the first horizontal plane, the transition face of the second horizontal plane and connection the first horizontal plane and the second horizontal plane, the height of described first horizontal plane is lower than the second horizontal plane, described top board is connected on the second horizontal plane of two sidewalls, the lower end of described two sidewalls is fixing to be respectively arranged on described housing and breaker of plastic casing, described base plate and described mounting panel are fixed, and described base plate has installed surface and is arranged on the support portion on installed surface, and described support portion is arranged on described first horizontal plane, described supporting bracket is fixed on described installed surface and also and between described installed surface is formed with rotor arrangement installation cavity, described sidewall and top board and and described installed surface between be formed with transmission mechanism installation cavity, be placed in described housing under described motor is arranged on described installed surface, described rotor arrangement to be arranged in described rotor arrangement installation cavity and to be connected with described motor, and described transmission mechanism is arranged in described transmission mechanism installation cavity and is driven by rotor arrangement and act on breaker of plastic casing.
Described transition face is vertical plane.
Described support portion is two, is formed with an engaging groove between two support portions; Described first installed surface is provided with and the described lug boss engaging groove fit.
The height of described lug boss is identical with the height of described support portion.
The upwards bending part that the both sides of the installed surface of described base plate have and fix for described mounting panel sidewall, described upwards bending part offers the first installing hole fixed by securing member and mounting panel.
The sidewall of described mounting panel also has the fixed installation bending part of extension, the 3rd installing hole fixed installation bending part offering the second installing hole fixed by securing member and housing and fixed by securing member and breaker of plastic casing.
Described supporting bracket comprises the first feet, the second feet and supporting surface, and in " Π " type, the position that supporting surface corresponds to the top of described rotor arrangement is fixed on the installed surface of base plate by first feet at its two ends and the second feet.
The operating mechanism of circuit breaker of the present invention adopts by mounting panel, the support that base plate and supporting bracket are formed assembles, carry out the location of base plate by the first horizontal plane of mounting panel side and fix, and on the base plate of the first horizontal plane the rotor arrangement of fitting operation mechanism, between base plate and the top board on the second horizontal plane, transmission mechanism is installed, optimize the layout of the circuit breaker of band electrically operated device, can Fast Installation, there is compact conformation, the advantage that volume is little and safe and reliable, and realize fixing assembled connection with housing with breaker of plastic casing by the fixed installation bending part be positioned under sidewall, after splicing, structure height does not affect the installation of regular circuit breakers in switch cubicle, namely the function of circuit breaker automatic reclosing is realized, realize again the modular functionality of conventional products.
Accompanying drawing explanation
Fig. 1 illustrates general assembly drawing of the present invention;
Fig. 2 illustrates internal structure schematic diagram of the present invention;
Fig. 3 illustrates the mounting structure schematic diagram removing case 3 of the present invention;
Fig. 4 illustrates the mounting structure schematic diagram removing case 3 of the present invention;
Fig. 5 illustrates the structural representation of electrically operated device 2 in the present invention;
Fig. 6 illustrates the structural representation of medium-height trestle 23 of the present invention;
Fig. 7 illustrates the structural representation of base plate 231 in the present invention;
Fig. 8 illustrates the structural representation of mounting panel 232 in the present invention;
Fig. 9 illustrates the assembling explosive view of electrically operated device 2 in the present invention;
Figure 10 illustrates the assembling explosive view of electrically operated device 2 in the present invention.
Embodiment
As Figure 1-Figure 2, the present invention proposes a kind of circuit breaker, the breaker of plastic casing 1 under comprising case 3 and being positioned at case 3 and electrically operated device 2.Undervoltage tripping device is added (shown in Fig. 4 in breaker of plastic casing 1, its set-up mode belongs to known technology, and it is puzzled to produce to the understanding of those skilled in the art, thus applicant repeats no more), the right side of case 3 is embedded with transparent (visual) dividing plate 31, the convenient location status observing the circuit breaker handle 11 of breaker of plastic casing 1; The limit, left side of case 3 offers the container cavity 32 placed for external key handle 100; Case 3 also offers the handle hole 33 switched between manual operation mode and electric operation mode for electrically operated device 2.
As shown in Fig. 3-Fig. 8, above-mentioned electrically operated device 2 comprises housing 21 and operating mechanism, and housing 21 and breaker of plastic casing 1 are arranged side by side, and operating mechanism comprises support 23, rotor arrangement 22, motor 24, switching device shifter 25 and transmission mechanism 26.Described support 23 comprises base plate 231 and mounting panel 232 and supporting bracket 233, described mounting panel 232, roughly in " several " font, comprises two sidewalls 2322, is connected to the top board 2321 of two sidewall upper and respectively from the fixed installation bending part 2323 of the outside bending in each sidewall 2322 lower end.The upper surface of described sidewall 2322 has the first stepped horizontal plane and the second horizontal plane, vertical transition face is adopted to connect between first horizontal plane and the second horizontal plane, first horizontal plane 2324 is provided with lug boss 2325, on the second horizontal plane of two sidewalls, bridge joint has top board 2321, and top board 2321 and sidewall can be one-body molded.
Sidewall 2322 is arranged on described housing 21 and breaker of plastic casing 1, and there is the fixed installation bending part 2323 of extension, fixed installation bending part 2323 offers the second installing hole 23231 fixed by securing member and housing 21 and the 3rd installing hole 23232 fixed by securing member and breaker of plastic casing 1.Described base plate 231 has installed surface 2312, on the left of described base plate 231, installed surface is arranged on described first horizontal plane 2324, the installed surface 2312 of described base plate 231 offers the engaging groove 2313 coordinated with mounting panel 232, the first described horizontal plane 2324 is provided with the lug boss 2325 engaged with the engaging groove 2313 of base plate 231.The length direction both sides on the right side of base plate 231 have and the upwards bending part 2311 fixed for mounting panel 232, described upwards bending part 2311 offers the first installing hole 23111, through the through hole 23221 on sidewall 2322 and the first installing hole 23111 on bending part 2311, base plate 231 and described mounting panel 232 are fixed by securing member, after described sidewall 2322 and two bending parts 2311 of base plate 231 are fixedly connected with respectively and between described installed surface 2312, be formed with transmission mechanism installation cavity 234.Described supporting bracket 233 is fixed on described installed surface 2312 and also and between described installed surface 2312 is formed with rotor arrangement installation cavity 235.Rotor arrangement 22, motor 24, switching device shifter 25 is provided with in rotor arrangement installation cavity 235, described motor 24 is arranged on the installed surface 2312 times of base plate 231 and is arranged in housing 21, is in transmission connection above the installed surface 2312 that the motor output shaft 241 of motor 24 is stretched over base plate 231 with rotor arrangement 22; Be set on the motor output shaft 241 of motor 24 above the installed surface 2312 that rotor arrangement 22 is placed in base plate 231.Be provided with in transmission mechanism installation cavity 234 and driven by rotor arrangement 22 and to act on the transmission mechanism 26 on breaker of plastic casing 1, the installed surface 2312 that transmission mechanism 26 is slidably arranged in base plate 231 links with the operating grip 11 of breaker of plastic casing 1.
Transmission mechanism 26 as shown in Figure 9 comprises slide block 261 and a slide plate 262, slide block 261 is slidably arranged on the installed surface 2312 of bottom plate 231, slide plate 262 is slidably arranged on slide block 261, the glide direction of slide plate 262 and the glide direction of slide block 261 perpendicular, and slide plate 262 matches with foregoing rotor device 22.There is at described slide block 261 the U-shaped extension fingertip 2611 engaging with the operating grip 11 of breaker of plastic casing 1 and link.Slider waveguide rod 263 is fixed with on the installed surface 2312 of base plate 231 and corresponding to the position of slide block 261, from diagram, the quantity of the slider waveguide rod 263 in the present embodiment has laterally parallel a pair (two), be located on the hole 23112 of the bending part 2311 of base plate 231, specifically, the two ends of two slider waveguide rods 263 are respectively placed in in the hole 23112 of the bending part 2311 of base plate 231, and the central region of two slider waveguide rods 263 is configured to the region for slide block 261 slip, namely slide block 261 is disposed on two slider waveguide rods 263 slidably.When the action of rotor arrangement 22 rotary actuation slide plate 262, drive described slide block 261 to slide together by slide plate 262, thus U-shaped extension fingertip 2611 drive the operating grip 11 of breaker of plastic casing 1 to complete the action of splitting or integrating lock.
Aforesaid rotor arrangement 22 includes drive plate 222, driving shaft 223, manual pivot 224, clutch 225, driving lever 226 on drive plate 221, driving shaft 243 is fixed between drive plate 222 and lower drive plate 221, between upper drive plate 222 and lower drive plate 221, hold clutch 225, clutch 225 and aforementioned motor output shaft 241 are in transmission connection.Aforesaid manual pivot 224 matches with upper drive plate 222, and manual pivot 224 offers handle groove 2241.When electric operating, clutch 225 and lower drive plate 221 are in engagement each other, dynamic clutch 225 is with by the motor output shaft 241 of motor 24, by clutch 225 by lower drive plate 221 rotor driven device 22, and then drive slide plate 262 action by rotor arrangement 22, drive described slide block 261 to slide together by slide plate 262, thus drive the operating grip 11 of breaker of plastic casing 1 to complete the action of splitting or integrating lock.And when operated, stirring described clutch 225 by driving lever 226 makes clutch 225 and lower drive plate 221 be in the state mutually departed from, to be inserted by external key handle 100 by operator in the handle groove 2241 on manual pivot 224 and drive described rotor arrangement 22, drive described slide block 261 to slide together by slide plate 262, thus drive the operating grip 11 of breaker of plastic casing 1 to complete the action of splitting or integrating lock.Rotor arrangement 22 moves clockwise and namely rotates forward, and can realize closing operation, otherwise then realizes separating brake or detain operation again.
Continue to see Fig. 9 and in conjunction with shown in Figure 10, supporting bracket 233 comprises the first feet 2331, second feet 2332 and supporting surface 2333 is roughly " Π " type, the position that supporting surface 2333 corresponds to the top of foregoing rotor device 22 is fixed on the installed surface 2312 of base plate 231 by first feet 2331 at its two ends and the second feet 2332, and the hub setting rotationally of aforesaid manual pivot 224 is on supporting surface 2333.Second feet 2332 has the support bound feet 23321 and 23322 of two symmetries, the middle part of aforesaid driving lever 226 is hinged on the support bound feet 23321 and 23322 of two symmetries, the first end 2261 of driving lever 226 is configured with a shift fork match with clutch 225, and the second end 2262 of driving lever 226 activates for manual operation.
Switching device shifter 25 is slidably arranged in supporting bracket 233, switching device shifter 25 has changer lever 251 and actuator surface 252, under electric model, changer lever 251 in switching device shifter 25 is placed in the interior manual pivot 224 that can shelter from above-mentioned rotor arrangement 22 of handle hole 33 of case 3, rotor arrangement 22 realizes connecting with motor 24, then by the forward of motor 24 or rotate backward, add that the operating grip 11 of rotor arrangement 22, transmission mechanism 26, breaker of plastic casing 1 links, realize the separating brake to breaker of plastic casing 1 or closing operation, under manual mode, the changer lever 251 of switching device shifter 25 is removed, expose the manual pivot 224 inserted for external key handle 100 on rotor arrangement 22, the actuator surface 252 of switching device shifter 25 promotes the second end 2262 of driving lever 226, aforementioned clutch 225 is stirred by the shift fork on the first end 2261 of driving lever 226, now, clutch 225 and lower drive plate 221 are in the state mutually departed from, now rotor arrangement 22 was disconnected with connecting of motor 24, the manual pivot 224 on rotor arrangement 22 is driven by external key handle 100, activate rotor arrangement 22 successively, the operating grip 11 of transmission mechanism 26 and breaker of plastic casing 1 links, realize the separating brake to breaker of plastic casing 1 or closing operation.
Continue as shown in Figure 10, aforementioned drive mechanism 26 also includes slide plate back-moving spring 267, this slide plate back-moving spring 267 is arranged between slide block 261 and slide plate 262, the restoring force of slide plate 262 is provided, it is made to move near rotor arrangement 22 direction, namely one end of slide plate back-moving spring 267 is bearing in slide plate 262 drives rotor arrangement 22 one end away from (deviating from) towards one end of slide plate 262, and namely the other end of slide plate back-moving spring 267 is bearing on slide block 261 towards one end of slide block 261.Concrete, slide plate back-moving spring 267 can provide the reset pulling force of balance for two, is placed in slide plate 262 both ends respectively, its one end be hung on slide plate 262 is offered recess 2621 in, the other end is hung on the upwards protuberance 2612 of slide block 261.
Claims (7)
1. a circuit breaker, breaker of plastic casing under comprising case and being positioned at case and electrically operated device, electrically operated device comprises housing and operating mechanism, described housing and breaker of plastic casing are arranged side by side, described operating mechanism comprises support, rotor arrangement, motor and transmission mechanism, it is characterized in that: described support comprises mounting panel, base plate and supporting bracket, described mounting panel comprises two sidewalls and a top board, the upper surface of described sidewall comprises the first horizontal plane, the transition face of the second horizontal plane and connection the first horizontal plane and the second horizontal plane, the height of described first horizontal plane is lower than the second horizontal plane, described top board is connected on the second horizontal plane of two sidewalls, what the lower end of described two sidewalls was fixing is arranged on described housing and breaker of plastic casing, described base plate and described mounting panel are fixed, and described base plate has installed surface and is arranged on the support portion on installed surface, and described support portion is arranged on described first horizontal plane, described supporting bracket is fixed on described installed surface and also and between described installed surface is formed with rotor arrangement installation cavity, described sidewall and top board and and described installed surface between be formed with transmission mechanism installation cavity, be placed in described housing under described motor is arranged on described installed surface, described rotor arrangement to be arranged in described rotor arrangement installation cavity and to be connected with described motor, and described transmission mechanism is arranged in described transmission mechanism installation cavity and is driven by rotor arrangement and act on breaker of plastic casing.
2. a kind of circuit breaker according to claim 1, is characterized in that, described transition face is vertical plane.
3. a kind of circuit breaker according to claim 1, is characterized in that, described support portion is two, is formed with an engaging groove between two support portions; Described first installed surface is provided with and the described lug boss engaging groove fit.
4. a kind of circuit breaker according to claim 3, is characterized in that, the height of described lug boss is identical with the height of described support portion.
5. a kind of circuit breaker according to claim 1,2,3 or 4, it is characterized in that, there is in the both sides of described installed surface the upwards bending part fixing with the sidewall for described mounting panel, described upwards bending part offers the first installing hole fixed by securing member and mounting panel.
6. a kind of circuit breaker according to claim 1,2,3 or 4, it is characterized in that, the side wall lower ends of described mounting panel also has the fixed installation bending part of extension, the 3rd installing hole fixed installation bending part offering the second installing hole fixed by securing member and housing and fixed by securing member and breaker of plastic casing.
7. a kind of circuit breaker according to claim 1,2,3 or 4, it is characterized in that, described supporting bracket comprises the first feet, the second feet and supporting surface, in " Π " type, the position that supporting surface corresponds to the top of described rotor arrangement is fixed on the installed surface of base plate by first feet at its two ends and the second feet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511022614.0A CN105448615B (en) | 2015-12-31 | 2015-12-31 | A kind of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511022614.0A CN105448615B (en) | 2015-12-31 | 2015-12-31 | A kind of breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105448615A true CN105448615A (en) | 2016-03-30 |
| CN105448615B CN105448615B (en) | 2017-10-13 |
Family
ID=55558696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511022614.0A Active CN105448615B (en) | 2015-12-31 | 2015-12-31 | A kind of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105448615B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389886A (en) * | 2002-07-02 | 2003-01-08 | 常熟开关厂 | Joint structure between side plate and cover plate of breaker operating mechanism |
| CN1835142A (en) * | 2006-03-08 | 2006-09-20 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker electric operation gear |
| CN201069744Y (en) * | 2007-07-30 | 2008-06-04 | 常熟开关制造有限公司(原常熟开关厂） | Sliding block device for electric operation mechanism of the breaker |
| CN201946523U (en) * | 2011-01-31 | 2011-08-24 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker |
| CN103065884A (en) * | 2013-01-21 | 2013-04-24 | 温州市中基电子有限公司 | Controller of automatic reclosing lock |
| CN103700549A (en) * | 2014-01-06 | 2014-04-02 | 巨邦电气集团有限公司 | Manual and electric operating mechanism of circuit breaker and reclosing circuit breaker with operating mechanism |
| CN104409294A (en) * | 2014-12-25 | 2015-03-11 | 常熟开关制造有限公司(原常熟开关厂） | Electric operating mechanism of circuit breaker |
| CN104409295A (en) * | 2014-12-25 | 2015-03-11 | 常熟开关制造有限公司(原常熟开关厂） | Clutch device for electric operating mechanism of circuit breaker |
| CN205319111U (en) * | 2015-12-31 | 2016-06-15 | 常熟开关制造有限公司(原常熟开关厂） | Breaker |
-
2015
- 2015-12-31 CN CN201511022614.0A patent/CN105448615B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1389886A (en) * | 2002-07-02 | 2003-01-08 | 常熟开关厂 | Joint structure between side plate and cover plate of breaker operating mechanism |
| CN1835142A (en) * | 2006-03-08 | 2006-09-20 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker electric operation gear |
| CN201069744Y (en) * | 2007-07-30 | 2008-06-04 | 常熟开关制造有限公司(原常熟开关厂） | Sliding block device for electric operation mechanism of the breaker |
| CN201946523U (en) * | 2011-01-31 | 2011-08-24 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker |
| CN103065884A (en) * | 2013-01-21 | 2013-04-24 | 温州市中基电子有限公司 | Controller of automatic reclosing lock |
| CN103700549A (en) * | 2014-01-06 | 2014-04-02 | 巨邦电气集团有限公司 | Manual and electric operating mechanism of circuit breaker and reclosing circuit breaker with operating mechanism |
| CN104409294A (en) * | 2014-12-25 | 2015-03-11 | 常熟开关制造有限公司(原常熟开关厂） | Electric operating mechanism of circuit breaker |
| CN104409295A (en) * | 2014-12-25 | 2015-03-11 | 常熟开关制造有限公司(原常熟开关厂） | Clutch device for electric operating mechanism of circuit breaker |
| CN205319111U (en) * | 2015-12-31 | 2016-06-15 | 常熟开关制造有限公司(原常熟开关厂） | Breaker |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105448615B (en) | 2017-10-13 |
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