CN112002589A - Small-size autoeclosing circuit breaker transmission position detects structure - Google Patents
Small-size autoeclosing circuit breaker transmission position detects structure Download PDFInfo
- Publication number
- CN112002589A CN112002589A CN202010692597.6A CN202010692597A CN112002589A CN 112002589 A CN112002589 A CN 112002589A CN 202010692597 A CN202010692597 A CN 202010692597A CN 112002589 A CN112002589 A CN 112002589A
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- Prior art keywords
- gear
- circuit breaker
- permanent magnet
- transmission
- signal detection
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 43
- 238000001514 detection method Methods 0.000 claims abstract description 43
- 230000033001 locomotion Effects 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- YKKYCYQDUUXNLN-UHFFFAOYSA-N 2,4-dichloro-1-(2-chlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC=C1C1=CC=CC=C1Cl YKKYCYQDUUXNLN-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/04—Interlocking mechanisms
- H01H31/10—Interlocking mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
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- Breakers (AREA)
Abstract
The invention relates to the technical field of circuit breakers, in particular to a transmission position detection structure of a small automatic reclosing circuit breaker, which comprises a shell, wherein a circuit breaker main body is arranged in the shell 1, the circuit breaker main body comprises a driving motor, a PCB (printed circuit board), a transmission gear and a circuit breaker handle mechanism, the circuit breaker handle mechanism comprises a handle gear, the driving motor is in transmission connection with the transmission gear through a gear transmission mechanism, a sensing gear coaxially arranged with the transmission gear is fixedly arranged on the transmission gear, the sensing gear is meshed with the handle gear, and a switching-on and switching-off signal detection module is arranged in the shell. Through setting up the separating brake signal detection module that forms by hall switch and micro-gap switch constitution, can work by automatic switch-over under high temperature and high humidity and the strong magnetic field environment, very big promotion the reliability and the stability of product.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a transmission position detection structure of a small automatic reclosing circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. The circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to the application range, the high-voltage and low-voltage boundary lines are relatively vague, and the circuit breakers above 3kV are generally called high-voltage electric appliances. The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. The small-sized reclosing circuit breaker generally adopts two modes to detect opening and closing position signals of a product at present, one mode is that a Hall switch is matched with a permanent magnet, and the mode has poor strong magnetic interference resistance and is easy to generate misoperation; the other mode is detection in a microswitch touch mode, although the mode has strong anti-strong magnetic capacity, under the high-temperature and high-humidity environment, because the protection level of the microswitch is not enough, the malfunction is easy to occur after the microswitch is affected with damp.
Disclosure of Invention
The invention aims to solve the defects that in the prior art, the strong magnetic interference resistance is poor in the mode of matching a Hall switch with a permanent magnet, and the misoperation easily occurs after a microswitch touch detection mode is damped in a high-temperature and high-humidity environment, and provides a transmission position detection structure of a small automatic reclosing circuit breaker.
In order to achieve the purpose, the invention adopts the following technical scheme:
the design is a small-size automatic reclosing circuit breaker transmission position detection structure, including the casing, its characterized in that, install the circuit breaker main part in the casing, the circuit breaker main part includes driving motor, PCB board, drive gear, circuit breaker handle mechanism includes the handle gear, driving motor passes through gear drive mechanism and is connected with the drive gear transmission, fixed mounting has the sensing gear of coaxial setting with it on the drive gear, sensing gear meshes with the handle gear mutually, be provided with divide-shut brake signal detection module in the casing.
Preferably, divide closing signal detection module includes first permanent magnet, a first permanent magnet is installed in the last embedding of drive gear, install first hall switch, the second hall switch corresponding with first permanent magnet movement track on the PCB board, the last fixed first signal that is equipped with of sensing gear detects the boss, install first micro-gap switch, the second micro-gap switch corresponding with first signal detection boss movement track on the PCB board, a second permanent magnet is installed in the last embedding of handle gear, install third hall switch, the fourth hall switch corresponding with second permanent magnet movement track on the PCB board, the last fixed second signal that is equipped with of handle gear detects the boss, install the third micro-gap switch corresponding with second signal detection boss movement track on the PCB board.
Preferably, the first permanent magnet and the second permanent magnet are made of alloy permanent magnet materials.
Preferably, waterproof and dustproof treatment is carried out on gaps of the shell.
The invention provides a transmission position detection structure of a small automatic reclosing circuit breaker, which has the beneficial effects that: according to the invention, the handle gear and the sensing gear are provided with the bosses and are matched with the micro switch to detect the opening and closing signals of the product, the product has strong magnetic resistance, meanwhile, the handle gear and the sensing gear are provided with the permanent magnet grooves, the permanent magnets in the grooves are matched with the Hall switch on the PCB to detect the opening and closing positions, when the product meets a strong magnetic environment, the detection signals of the micro switch can be automatically switched, and when the product meets a high-temperature and high-humidity environment, the detection signals of the Hall switch can be automatically switched, so that the reliability and the stability of the product are greatly improved. And one of the modes for detecting signals can be selected according to the installation environment of a client product, so that the same set of gear transmission mechanism is realized, various environment requirements are met, and the cost is greatly reduced.
Drawings
Fig. 1 is a schematic structural diagram of a transmission position detection structure of a small automatic reclosing circuit breaker in a closing state according to the present invention;
fig. 2 is a schematic structural diagram of a transmission position detection structure of a small automatic reclosing circuit breaker in an opening state;
fig. 3 is a first schematic structural diagram of a transmission gear and a sensing gear of a transmission position detection structure of a small automatic reclosing circuit breaker according to the present invention;
fig. 4 is a structural schematic diagram of a transmission gear and a sensing gear of the transmission position detection structure of the small automatic reclosing circuit breaker provided by the invention;
fig. 5 is a first schematic structural view of a handle gear of the transmission position detection structure of the miniature automatic reclosing circuit breaker provided by the invention;
fig. 6 is a second schematic structural view of a handle gear of the transmission position detection structure of the miniature automatic reclosing circuit breaker provided by the invention;
fig. 7 is a schematic three-dimensional structure diagram of a gear transmission mechanism of a transmission position detection structure of a small automatic reclosing circuit breaker according to the present invention.
In the figure: the device comprises a shell 1, a driving motor 2, a transmission gear 3, a sensing gear 4, a handle gear 5, a first Hall switch 6, a second Hall switch 7, a third Hall switch 8, a fourth Hall switch 9, a first permanent magnet 10, a second permanent magnet 11, a first microswitch 12, a second microswitch 13, a first signal detection boss 14, a third microswitch 15, a second signal detection boss 16 and a PCB 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-7, a transmission position detection structure for a small automatic reclosing circuit breaker comprises a shell 1, a circuit breaker main body is installed in the shell 1 and comprises a driving motor 2, a Printed Circuit Board (PCB) 17, a transmission gear 3 and a circuit breaker handle mechanism, the circuit breaker handle mechanism comprises a handle gear 5, the driving motor 2 is in transmission connection with the transmission gear 3 through the gear transmission mechanism, a sensing gear 4 coaxially arranged with the transmission gear 3 is fixedly installed on the transmission gear 3, the sensing gear 4 is meshed with the handle gear 5, and a switching-off and switching-on signal detection module is arranged in the shell 1. The driving motor 2 drives the transmission gear 3 through the gear transmission mechanism, the transmission gear 3 drives the sensing gear 4 to rotate, and the sensing gear 4 is electrically driven by the handle gear 5 to rotate.
The opening and closing signal detection module comprises a first permanent magnet 10, a first permanent magnet 10 is embedded and installed on the transmission gear 3, a first Hall switch 6 and a second Hall switch 7 which correspond to the motion trail of the first permanent magnet 10 are installed on a PCB 17, a first signal detection boss 14 is fixedly arranged on the sensing gear 4, a first microswitch 12 and a second microswitch 13 which correspond to the motion trail of the first signal detection boss 14 are installed on the PCB 17, a second permanent magnet 11 is embedded and installed on the handle gear 5, a third Hall switch 8 and a fourth Hall switch 9 which correspond to the motion trail of the second permanent magnet 11 are installed on the PCB 17, a second signal detection boss 16 is fixedly arranged on the handle gear 5, and a third microswitch 15 which corresponds to the motion trail of the second signal detection boss 16 is installed on the PCB 17.
When the invention is used, and the driving motor 2 drives the gear set to switch on, as shown in fig. 1, the second signal detection boss 16 on the handle gear 5 rotates to the position of the third microswitch 15, and toggles the third microswitch 15, the second permanent magnet 11 on the handle gear 5 rotates to align with the fourth hall switch 9, and a switch-on completion signal is fed back; meanwhile, the first signal detection boss 14 on the sensing gear 4 rotates to the position of the second microswitch 13, the second microswitch 13 is toggled, the first permanent magnet 10 on the sensing gear 4 is aligned to the second Hall switch 7, and the driving motor 2 stops rotating;
when the motor drives the gear set to open the brake, as shown in fig. 2, the second permanent magnet 11 on the handle gear 5 rotates to be aligned with the third hall switch 8, and a brake opening completion signal is fed back; meanwhile, the first signal detection boss 14 on the sensing gear 4 rotates to the position of the first microswitch 12, the first microswitch 12 is pulled, the first permanent magnet 10 on the sensing gear 4 is aligned with the first Hall switch 6, and the driving motor 2 stops rotating.
Example 2
Referring to fig. 1 to 7, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the first permanent magnet 10 and the second permanent magnet 11 are made of alloy permanent magnetic material. The gaps of the shell 1 are all subjected to waterproof and dustproof treatment.
The alloy permanent magnetic material not only has high hardness and mechanical property, but also has stronger demagnetization resistance; through doing waterproof dustproof processing to the gap in the casing 1, can effectively avoid dust and moisture to get into the influence to components and parts in the casing 1.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (4)
1. The utility model provides a small-size automatic reclosing circuit breaker transmission position detects structure, includes casing (1), its characterized in that, install the circuit breaker main part in casing (1), the circuit breaker main part includes driving motor (2), PCB board (17), drive gear (3), circuit breaker handle mechanism includes handle gear (5), driving motor (2) are connected with drive gear (3) transmission through gear drive mechanism, fixed mounting has sensing gear (4) with its coaxial setting on drive gear (3), sensing gear (4) mesh mutually with handle gear (5), be provided with divide-shut brake signal detection module in casing (1).
2. The transmission position detection structure of the small automatic reclosing circuit breaker according to claim 1, characterized in that the opening and closing signal detection module comprises a first permanent magnet (10), a first permanent magnet (10) is embedded in the transmission gear (3), a first hall switch (6) and a second hall switch (7) corresponding to the movement locus of the first permanent magnet (10) are installed on the PCB (17), a first signal detection boss (14) is fixedly arranged on the sensing gear (4), a first micro switch (12) and a second micro switch (13) corresponding to the movement locus of the first signal detection boss (14) are installed on the PCB (17), a second permanent magnet (11) is embedded in the handle gear (5), and a third hall switch (8) and a second micro switch (13) corresponding to the movement locus of the second permanent magnet (11) are installed on the PCB (17), The handle gear (5) is fixedly provided with a second signal detection boss (16), and a third microswitch (15) corresponding to the motion trail of the second signal detection boss (16) is installed on the PCB (17).
3. The transmission position detection structure of the miniature automatic reclosing circuit breaker according to claim 1, characterized in that the first permanent magnet (10) and the second permanent magnet (11) are made of alloy permanent magnet materials.
4. The transmission position detection structure of the miniature automatic reclosing circuit breaker according to claim 1, characterized in that waterproof and dustproof treatment is performed at the gaps of the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010692597.6A CN112002589A (en) | 2020-07-17 | 2020-07-17 | Small-size autoeclosing circuit breaker transmission position detects structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010692597.6A CN112002589A (en) | 2020-07-17 | 2020-07-17 | Small-size autoeclosing circuit breaker transmission position detects structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112002589A true CN112002589A (en) | 2020-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010692597.6A Pending CN112002589A (en) | 2020-07-17 | 2020-07-17 | Small-size autoeclosing circuit breaker transmission position detects structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112002589A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126830A1 (en) * | 2020-12-14 | 2022-06-23 | 深圳曼顿科技有限公司 | Circuit breaker |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08167365A (en) * | 1994-12-14 | 1996-06-25 | Mitsubishi Electric Corp | Motor operation apparatus for circuit breaker |
| EP1870919A1 (en) * | 2006-06-22 | 2007-12-26 | ABB Service S.r.l | Automatic reset device for a low voltage circuit breaker |
| CN105006409A (en) * | 2015-07-27 | 2015-10-28 | 德力西电气有限公司 | Automatic brake switching and closing operation device |
| CN106169401A (en) * | 2016-08-31 | 2016-11-30 | 江苏创能电器有限公司 | A kind of Novel small-sized electric operating mechanism of circuit-breaker |
| CN106531575A (en) * | 2017-01-05 | 2017-03-22 | 浙江华航电气股份有限公司 | Automatic reclosing device of prepayment circuit breaker |
| US20170098520A1 (en) * | 2014-03-27 | 2017-04-06 | Schneider Electric USA, Inc. | Magnetic position indicator for minature circuit breaker handle |
| CN206340507U (en) * | 2016-11-24 | 2017-07-18 | 宁波迪尔逊电气有限公司 | A kind of drive device of automatic divide-shut brake breaker |
| CN107017130A (en) * | 2017-06-19 | 2017-08-04 | 温州东日自动化设备有限公司 | A kind of brush positioning component for reclosing breaker |
| CN206401256U (en) * | 2017-01-05 | 2017-08-11 | 浙江华航电气股份有限公司 | The auto recloser of breaker |
| CN207338272U (en) * | 2017-11-03 | 2018-05-08 | 环宇集团浙江高科股份有限公司 | A kind of breaker auto recloser |
| CN110473746A (en) * | 2019-07-03 | 2019-11-19 | 哥伦电气有限公司 | A kind of autoreclose breaker and handle method for preventing misoperation |
-
2020
- 2020-07-17 CN CN202010692597.6A patent/CN112002589A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08167365A (en) * | 1994-12-14 | 1996-06-25 | Mitsubishi Electric Corp | Motor operation apparatus for circuit breaker |
| EP1870919A1 (en) * | 2006-06-22 | 2007-12-26 | ABB Service S.r.l | Automatic reset device for a low voltage circuit breaker |
| US20170098520A1 (en) * | 2014-03-27 | 2017-04-06 | Schneider Electric USA, Inc. | Magnetic position indicator for minature circuit breaker handle |
| CN105006409A (en) * | 2015-07-27 | 2015-10-28 | 德力西电气有限公司 | Automatic brake switching and closing operation device |
| CN106169401A (en) * | 2016-08-31 | 2016-11-30 | 江苏创能电器有限公司 | A kind of Novel small-sized electric operating mechanism of circuit-breaker |
| CN206340507U (en) * | 2016-11-24 | 2017-07-18 | 宁波迪尔逊电气有限公司 | A kind of drive device of automatic divide-shut brake breaker |
| CN106531575A (en) * | 2017-01-05 | 2017-03-22 | 浙江华航电气股份有限公司 | Automatic reclosing device of prepayment circuit breaker |
| CN206401256U (en) * | 2017-01-05 | 2017-08-11 | 浙江华航电气股份有限公司 | The auto recloser of breaker |
| CN107017130A (en) * | 2017-06-19 | 2017-08-04 | 温州东日自动化设备有限公司 | A kind of brush positioning component for reclosing breaker |
| CN207338272U (en) * | 2017-11-03 | 2018-05-08 | 环宇集团浙江高科股份有限公司 | A kind of breaker auto recloser |
| CN110473746A (en) * | 2019-07-03 | 2019-11-19 | 哥伦电气有限公司 | A kind of autoreclose breaker and handle method for preventing misoperation |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022126830A1 (en) * | 2020-12-14 | 2022-06-23 | 深圳曼顿科技有限公司 | Circuit breaker |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201127 |
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| RJ01 | Rejection of invention patent application after publication |