CN110993399B - A micro dual power supply and control method thereof - Google Patents
A micro dual power supply and control method thereof Download PDFInfo
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- CN110993399B CN110993399B CN201910807408.2A CN201910807408A CN110993399B CN 110993399 B CN110993399 B CN 110993399B CN 201910807408 A CN201910807408 A CN 201910807408A CN 110993399 B CN110993399 B CN 110993399B
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- power supply
- gear
- power
- control housing
- shaft
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Classifications
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- 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
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Breakers (AREA)
Abstract
本发明属于低压电器控制技术领域，尤其为一种微型双电源，包括控制壳底、线路板、正反转直流减速电机、脱扣杆和控制壳盖；控制壳底内壁一体成型有电机座，正反转直流减速电机安装在电机座上，正反转直流减速电机的驱动轴顶端和底端上分别固接上锥齿轮和下锥齿轮，驱动轴的中部上安装有十字轴，十字轴两端上分别安装有左动力齿轮和右动力齿轮。本发明设置保护盖，起到启盖断电保护作用；利用十字轴差速器机构原理，可使其一侧断路器的跳闸动力转换成另一侧的合闸动力；可用较小的驱动电机；设置了控制壳盖进行动力脱离；设置了主、备电源的断路器在分、合闸时利用差速器机构互锁。
The present invention belongs to the field of low-voltage electrical control technology, and is particularly a miniature dual power supply, including a control shell bottom, a circuit board, a forward and reverse DC reduction motor, a trip rod and a control shell cover; the inner wall of the control shell bottom is integrally formed with a motor seat, the forward and reverse DC reduction motor is installed on the motor seat, the top and bottom ends of the drive shaft of the forward and reverse DC reduction motor are respectively fixed with an upper bevel gear and a lower bevel gear, a cross shaft is installed on the middle of the drive shaft, and a left power gear and a right power gear are respectively installed on both ends of the cross shaft. The present invention is provided with a protective cover to play a role in power-off protection when the cover is opened; the principle of the cross shaft differential mechanism is used to convert the tripping power of the circuit breaker on one side into the closing power on the other side; a smaller driving motor can be used; a control shell cover is provided for power disengagement; the circuit breaker with the main and backup power sources is provided to use the differential mechanism for interlocking when opening and closing.
Description
Technical Field
The invention belongs to the technical field of control of piezoelectric devices, and particularly relates to a miniature dual power supply.
Background
In low voltage power supply networks in China, many departments require uninterruptible power supplies, such as: hospitals, telecommunications, banks, etc. The dual-power automatic switching device is used as a part of power supply, and the consumption is very large. Especially, a dual-power automatic control device is required to be installed in a lighting control box of a building and an intelligent home.
Operational control, procedure and scope according to GB/14048.11-20168.2.1.2: the dual power automatic control device should switch the load from the normal power supply to the standby power supply within a predetermined time after any or all of the phases of the normal power supply are detected, and switch the load back to the normal power supply when the normal power supply is restored.
According to the requirements of the national standard and the defects of domestic similar products in performance. The invention provides a track type small-sized double-power-supply automatic switching device with the functions of main circuit power-off, undervoltage and open-phase automatic switching and main circuit or standby circuit short-circuit and overload protection.
Disclosure of Invention
To solve the problems set forth in the background art. The invention provides a miniature dual power supply, wherein a pressing block for pressing a switch K is arranged at the bottom of a protective cover, and when the protective cover is opened, the pressing block is lifted to disconnect the switch K, so that the function of power-off protection when the protective cover is opened is achieved; the principle of the crossed shaft differential mechanism is utilized, so that the tripping power of a breaker on one side can be converted into the switching power on the other side.
In order to achieve the above purpose, the present invention provides the following technical solutions: a miniature dual power supply comprises a control shell bottom, a circuit board, a forward and reverse rotation direct current speed reducing motor, a tripping rod and a control shell cover;
The motor seat is integrally formed on the inner wall of the control shell bottom, the forward and reverse rotation direct current speed reducing motor is arranged on the motor seat, an upper bevel gear and a lower bevel gear are respectively fixedly connected to the top end and the bottom end of a driving shaft of the forward and reverse rotation direct current speed reducing motor, a cross shaft is arranged in the middle of the driving shaft, a left power gear and a right power gear are respectively arranged at two ends of the cross shaft, the end heads of the cross shaft are movably connected with a shaft seat on the inner wall of the control shell bottom, and the inner sides of the left power gear and the right power gear are respectively in meshing connection with the upper bevel gear and the lower bevel gear; the outer sides of the left power gear and the right power gear are in meshing connection with a driven gear, a transmission square shaft is arranged in the center of the driven gear, the other end of the transmission square shaft penetrates through the bottom of the control shell to the outside, and a plurality of breaker transmission handles are arranged on the transmission square shaft;
A switch K for controlling the on-off of the switching power supply is arranged at the top in the control shell bottom, a protective cover is arranged on the hinge shaft above the control shell bottom, a pressing block for pressing the switch K is arranged on the bottom surface of the protective cover at a position corresponding to the switch K, and the protective cover is in clamping connection with the control shell bottom; when the protective cover is opened, the pressing block is lifted to enable the switch K to be disconnected, so that the protective cover is opened and the power-off protection function is achieved.
Preferably, a circuit board is arranged in the control shell bottom through a screw; the circuit board is provided with a relay, a power indicator lamp, a 486 communication interface and a switching power supply; the switching power supply includes a main power supply and a standby power supply.
Preferably, a trip bar and a travel switch K1 are respectively arranged on the inner wall of the control shell bottom through mounting grooves; a spring is connected between the tripping rod and the bottom of the control shell; the left power gear and the right power gear are provided with a conversion rod through a through groove, and the conversion rod is respectively in mutual butt joint with the tripping rod and the travel switch K1.
Preferably, a boss exposing the bottom of the control shell is arranged on the top surface of the upper bevel gear, a limiting groove is formed in the boss, and a control shell cover capable of being embedded into the limiting groove is hinged to the top of a driving shaft of the forward and reverse rotation direct current speed reduction motor.
Preferably, the circuit breaker is further included, the width of the control shell bottom is 36mm, the height and the length of the control shell bottom are the same as those of the circuit breaker, and the control shell bottom and the circuit breaker are installed in a track mode.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, the pressing block for pressing the switch K is arranged at the bottom of the protective cover, and when the protective cover is opened, the pressing block is lifted to enable the switch K to be disconnected, so that the power-off protection effect of opening the cover is achieved; the tripping power of a breaker on one side of the mechanism can be converted into the closing power on the other side by utilizing the principle of a crossed shaft differential mechanism; smaller drive motors may be used; controlling the shell cover to carry out power separation; the circuit breakers provided with the main power supply and the standby power supply are interlocked by utilizing a differential mechanism during opening and closing; the power indicator lamp is arranged on the circuit board, so that the main power supply and the standby power supply can be electrified for display; the communication interface is provided 486 for remote control.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of a miniature dual power supply according to the present invention;
FIG. 2 is a single-sided exploded view of a miniature dual-power supply of the present invention;
FIG. 3 is a power-off protection diagram for a cover opening in a miniature dual power supply according to the present invention;
FIG. 4 is a diagram showing the transmission of the circuit breaker and the control part in the miniature dual power supply according to the present invention;
FIG. 5 is a schematic diagram of a differential drive interlock for a miniature dual-power medium cross axle differential of the present invention;
FIG. 6 is a schematic diagram of power disengagement in a miniature dual power supply according to the present invention;
FIG. 7 is a schematic diagram of a circuit board structure in a miniature dual power supply according to the present invention;
FIG. 8 is a schematic diagram of a trip and travel switch in a miniature dual-power supply according to the present invention;
FIG. 9 is an electrical schematic diagram of a miniature dual power supply according to the present invention;
FIG. 10 is a diagram of a control circuit in a miniature dual-power supply according to the present invention.
In the figure: 1. a protective cover; 2. controlling the bottom of the shell; 3. a switch K; 4. a circuit board; 5. a left driven gear; 6. a left power gear; 7. an upper bevel gear; 8. a lower bevel gear; 9. a direct current speed reducing motor which rotates positively and negatively; 10. a cross shaft; 11. a trip bar; 12. a motor base; 13. a transmission square shaft; 14. a right power gear; 15. a travel switch K1; 16. a breaker transmission handle; 17. controlling a shell cover; 18. a switching lever; 4-1, a relay; 4-2 power indicator lights; 4-3, 486 communication interfaces; 4-4, switching power supply.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-8, the present invention provides the following technical solutions: a miniature dual power supply comprises a control shell bottom 2, a circuit board 4, a forward and reverse rotation direct current speed reduction motor 9, a trip bar 11 and a control shell cover 17;
The motor seat 12 is integrally formed on the inner wall of the control shell bottom 2, the forward and reverse rotation direct current speed reduction motor 9 is arranged on the motor seat 12, an upper bevel gear 7 and a lower bevel gear 8 are respectively fixedly connected to the top end and the bottom end of a driving shaft of the forward and reverse rotation direct current speed reduction motor 9, a cross shaft 10 is arranged in the middle of the driving shaft, a left power gear 6 and a right power gear 14 are respectively arranged at two ends of the cross shaft 10, the end of the cross shaft 10 is movably connected with a shaft seat on the inner wall of the control shell bottom 2, and the inner sides of the left power gear 6 and the right power gear 14 are respectively in meshed connection with the upper bevel gear 7 and the lower bevel gear 8; the outer sides of the left power gear 6 and the right power gear 14 are in meshing connection with a driven gear 5, a transmission square shaft 13 is arranged in the center of the driven gear 5, the other end of the transmission square shaft 13 penetrates through the control shell bottom 2 to the outside, and a plurality of breaker transmission handles 16 are arranged on the transmission square shaft 13;
A switch K3 for controlling the on-off of the switching power supply is arranged at the top in the control shell bottom 12, a protective cover 1 is arranged on a hinge shaft above the control shell bottom 12, a pressing block for pressing the switch K3 is arranged on the bottom surface of the protective cover 1 corresponding to the switch K3, and the protective cover 1 is in clamping connection with the control shell bottom 12; when the protective cover 1 is opened, the pressing block is lifted up to enable the switch K3 to be disconnected, so that the protective cover is opened and the power-off protection function is achieved.
Specifically, a circuit board 4 is mounted inside the control shell bottom 12 through screws; the circuit board 4 is provided with a relay 4-1, a power indicator lamp 4-2, a 486 communication interface 4-3 and a switching power supply 4-4; the switching power supply 4-4 includes a main power supply and a standby power supply.
Specifically, the inner wall of the control shell bottom 12 is respectively provided with a trip bar 11 and a travel switch K115 through a mounting groove; a spring is connected between the tripping rod 11 and the control shell bottom 12; the left power gear 6 and the right power gear 14 are provided with a switching rod 18 through grooves, and the switching rod 18 is respectively in mutual contact with the trip rod 11 and the travel switch K115.
Specifically, a boss exposing the control bottom 2 is arranged on the top surface of the upper bevel gear 7, a limit groove is arranged on the boss, and a control shell cover 17 capable of being embedded into the limit groove is hinged to the top of a driving shaft of the forward and reverse rotation direct current speed reducing motor 9.
Specifically, the circuit breaker is also included, the width of the control shell bottom 2 is 36mm, the height and the length of the control shell bottom 2 are the same as those of the circuit breaker, and the control shell bottom 2 and the circuit breaker are installed in a track mode.
As shown in fig. 9, the electrical principle of the present invention: the input of a switching power supply 4-4 of a main power supply or a standby power supply is selected through a manual or automatic change-over switch K3, the switching power supply 4-4 supplies power to a forward and reverse direct current speed reducing motor 9 through a control circuit on a circuit board 4, meanwhile, the control circuit detects the condition of a main power supply circuit A and the condition of a standby power supply circuit B output by the switching power supply 4-4, the forward and reverse direct current speed reducing motor 9 drives an operating mechanism to work, and the main power supply circuit A is switched on to stop a travel switch K1 in place; the standby power supply circuit B is switched on to stop the travel switch K2 in place; the operating mechanism drives a breaker transmission handle 16 through a transmission square shaft 13, a main power circuit A or a standby power circuit B is arranged on the breaker to switch on a display device, and the breaker feeds back the state of the breaker to a remote control host through a 486 communication interface 4-3.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910807408.2A CN110993399B (en) | 2019-08-29 | 2019-08-29 | A micro dual power supply and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910807408.2A CN110993399B (en) | 2019-08-29 | 2019-08-29 | A micro dual power supply and control method thereof |
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| Publication Number | Publication Date |
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| CN110993399A CN110993399A (en) | 2020-04-10 |
| CN110993399B true CN110993399B (en) | 2024-11-26 |
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| CN201910807408.2A Active CN110993399B (en) | 2019-08-29 | 2019-08-29 | A micro dual power supply and control method thereof |
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| FR3118838A1 (en) * | 2021-01-08 | 2022-07-15 | Schneider Electric Industries Sas | Locking device for an electrical panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210489471U (en) * | 2019-08-29 | 2020-05-08 | 上联控股集团有限公司 | Miniature dual power supply |
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| CN106847636B (en) * | 2017-04-05 | 2019-03-22 | 欧迪森电气有限公司 | A kind of electric switch-on mechanism of miniature circuit breaker |
| CN107068452B (en) * | 2017-06-06 | 2019-05-07 | 环宇集团浙江高科股份有限公司 | Miniature double power supply automatic transfer switch |
| CN108198737A (en) * | 2018-03-03 | 2018-06-22 | 林蔓琦 | A kind of prepayment breaker reclosing device and implementation method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210489471U (en) * | 2019-08-29 | 2020-05-08 | 上联控股集团有限公司 | Miniature dual power supply |
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