CN110993399A - Miniature dual power supply and control method thereof - Google Patents

Miniature dual power supply and control method thereof Download PDF

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Publication number
CN110993399A
CN110993399A CN201910807408.2A CN201910807408A CN110993399A CN 110993399 A CN110993399 A CN 110993399A CN 201910807408 A CN201910807408 A CN 201910807408A CN 110993399 A CN110993399 A CN 110993399A
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CN
China
Prior art keywords
control shell
power supply
shell bottom
gear
power
Prior art date
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Pending
Application number
CN201910807408.2A
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Chinese (zh)
Inventor
王金辉
谭青松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanglian Holding Group Co ltd
Original Assignee
Shanglian Holding Group Co ltd
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Filing date
Publication date
Application filed by Shanglian Holding Group Co ltd filed Critical Shanglian Holding Group Co ltd
Priority to CN201910807408.2A priority Critical patent/CN110993399A/en
Publication of CN110993399A publication Critical patent/CN110993399A/en
Pending legal-status Critical Current

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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
    • 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
    • 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
    • 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)
  • Breakers (AREA)

Abstract

The invention belongs to the technical field of low-voltage electrical appliance control, and particularly relates to a miniature dual power supply which comprises a control shell bottom, a circuit board, a forward and reverse rotation direct current speed reducing motor, a trip bar and a control shell cover; a motor base is integrally formed on the inner wall of the bottom of the control shell, a forward and reverse direct current speed reducing motor is installed on the motor base, an upper bevel gear and a lower bevel gear are fixedly connected to the top end and the bottom end of a driving shaft of the forward and reverse direct current speed reducing motor respectively, a cross shaft is installed in the middle of the driving shaft, and a left power gear and a right power gear are installed at two ends of the cross shaft respectively. The protective cover is arranged to play a role in protecting the cover from power failure; by utilizing the principle of a cross axle differential mechanism, the tripping power of a breaker on one side can be converted into closing power on the other side; a smaller drive motor may be used; a control shell cover is arranged for power disengagement; the circuit breakers provided with the main power supply and the standby power supply are interlocked by a differential mechanism when being switched on and switched off.

Description

Miniature dual power supply and control method thereof
Technical Field
The invention belongs to the technical field of low-voltage apparatus control, and particularly relates to a miniature dual power supply.
Background
In low voltage power supply networks in our country, uninterruptible power supplies are required by many sectors, for example: hospitals, telecommunications, banks, etc. The double-power automatic switching device is used as a part of a power supply, and the using amount is very large. Especially, a double-power automatic control device is required to be arranged in a lighting control box of a building and an intelligent home.
According to GB/14048.11-20168.2.1.2 operational controls, procedures and ranges: the dual power supply automatic control device should switch the load from the common power supply to the standby power supply within a predetermined time after the interruption of any one or all of the phases in which the common power supply is detected, and return the load to the common power supply when the common power supply is restored to normal.
According to the above-mentioned national standard requirements and the deficiency of similar products in domestic properties. The invention provides a rail type small-sized dual-power automatic switching device with functions of automatically switching main circuit power failure, undervoltage and open phase and protecting the short circuit and overload of the main circuit or a standby circuit.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides a miniature dual power supply.A press block for pressing a switch K is arranged at the bottom of a protective cover, and when the protective cover is opened, the press block is lifted to disconnect the switch K, so that the power-off protection function of opening the cover is realized; by utilizing the principle of a cross axle differential mechanism, the tripping power of a breaker on one side can be converted into the closing power on the other side.
In order to achieve the purpose, the invention provides the following technical scheme: a miniature dual power supply comprises a control shell bottom, a circuit board, a forward and reverse rotation direct current speed reducing motor, a trip bar and a control shell cover;
a motor base is integrally formed on the inner wall of the bottom of the control shell, a forward and reverse rotation direct current speed reducing motor is installed on the motor base, an upper bevel gear and a lower bevel gear are 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 respectively, a cross shaft is installed in the middle of the driving shaft, a left power gear and a right power gear are installed at two ends of the cross shaft respectively, the end of the cross shaft is movably connected with a shaft base on the inner wall of the bottom of the control shell, and the inner sides of the left power gear and the right power gear are in meshed connection with; the outer sides of the left power gear and the right power gear are in meshed connection with driven gears, a transmission square shaft is arranged in the center of each 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 circuit breaker transmission handles are arranged on the transmission square shaft;
a switch K for controlling the on-off of a switching power supply is installed at the top in the control shell bottom, a protective cover is arranged on a hinged shaft above the control shell bottom, a pressing block for pressing the switch K is arranged on the bottom surface of the protective cover corresponding to the switch K, and the protective cover is connected with the control shell bottom in a clamping manner; when the protective cover is opened, the pressing block is lifted to disconnect the switch K, so that the protective cover is opened and power-off protected.
Preferably, the circuit board is installed in the control shell bottom through screws; 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 backup power supply.
Preferably, the inner wall of the bottom of the control shell is respectively provided with a trip bar and a travel switch K1 through mounting grooves; a spring is connected between the trip rod and the bottom of the control shell; the left power gear and the right power gear are provided with conversion rods through grooves, and the conversion rods are respectively abutted against the trip rod and the travel switch K1.
Preferably, the top surface of the upper bevel gear is provided with a boss exposed out of the bottom of the control shell, the boss is provided with a limit groove, and the top of a driving shaft of the forward and reverse rotation direct current speed reducing motor is hinged with a control shell cover capable of being embedded into the limit groove.
Preferably, the control cabinet also comprises a circuit breaker, the width of the control cabinet bottom is 36mm, the height and the length of the control cabinet bottom are the same as those of the circuit breaker, and the control cabinet bottom and the circuit breaker are installed in a rail type 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 disconnect the switch K, so that the power-off protection function of opening the cover is achieved; by utilizing the principle of a cross axle differential mechanism, the tripping power of a breaker on one side can be converted into closing power on the other side; a smaller drive motor may be used; a control shell cover is arranged for power disengagement; the circuit breakers provided with the main power supply and the standby power supply are interlocked by a differential mechanism when being switched on and switched off; the circuit board is provided with a power indicator lamp which can be used for power-on display of the main power supply and the standby power supply; a 486 communication interface is provided for remote control.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural diagram of a dual miniature power supply according to the present invention;
FIG. 2 is a single-sided exploded view of a miniature dual power supply according to the present invention;
FIG. 3 is a diagram of the power-off protection for cover opening in a dual micro power supply according to the present invention;
FIG. 4 is a transmission diagram of a control part and a circuit breaker in a miniature dual power supply according to the present invention;
FIG. 5 is a schematic diagram of the interlocking transmission of a universal joint pin differential mechanism in a miniature dual power supply according to the present invention;
FIG. 6 is a schematic diagram of power disengagement in a dual micro 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 a travel switch in a dual micro power supply according to the present invention;
FIG. 9 is an electrical schematic diagram of a dual micro power supply according to the present invention;
FIG. 10 is a diagram of a control circuit in a dual micro power supply according to the present invention.
In the figure: 1. a protective cover; 2. controlling the shell bottom; 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 forward and reverse rotation direct current speed reduction motor; 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 circuit breaker drive handle; 17. a control shell cover; 18. a transfer lever; 4-1, a relay; 4-2 power indicator lights; 4-3, 486 communication interface; 4-4, and switching power supply.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present 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 reducing motor 9, a trip bar 11 and a control shell cover 17;
a motor base 12 is integrally formed on the inner wall of the control shell bottom 2, a forward and reverse rotation direct current speed reducing motor 9 is installed on the motor base 12, an upper bevel gear 7 and a lower bevel gear 8 are 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 9 respectively, a cross shaft 10 is installed in the middle of the driving shaft, a left power gear 6 and a right power gear 14 are installed at two ends of the cross shaft 10 respectively, the end of the cross shaft 10 is movably connected with a shaft base 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 in meshed connection with the upper bevel gear 7 and the lower; the outer sides of the left power gear 6 and the right power gear 14 are in meshed 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 circuit breaker transmission handles 16 are arranged on the transmission square shaft 13;
a switch K3 for controlling the on-off of a switching power supply is installed at the top in the control shell bottom 12, a protective cover 1 is arranged on a hinged shaft above the control shell bottom 12, a pressing block for pressing a switch K3 is arranged on the bottom surface of the protective cover 1 corresponding to the switch K3, and the protective cover 1 is connected with the control shell bottom 12 in a clamping manner; when the protective cover 1 is opened, the pressing block is lifted to disconnect the switch K3, so that the protective cover is opened and power-off protected.
Specifically, the 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 backup 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 mounting grooves; a spring is connected between the trip rod 11 and the control shell bottom 12; the left power gear 6 and the right power gear 14 are provided with a conversion lever 18 through a through groove, and the conversion lever 18 is respectively abutted with the trip lever 11 and the travel switch K115.
Specifically, a boss exposed out of the control shell bottom 2 is arranged on the top surface of the upper bevel gear 7, a limit groove is formed in 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 control device also comprises a circuit breaker, the width of the control shell bottom 2 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 2 and the circuit breaker are installed in a rail type mode.
As shown in fig. 9, the electrical principle of the present invention: the input of a switch 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 switch 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, 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 switch 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 in place to stop a travel switch K1; the standby power supply circuit B is switched on to the position to stop the travel switch K2; the operating mechanism drives a breaker transmission handle 16 through a transmission square shaft 13, a main power supply circuit A or a standby power supply circuit B closing display device is arranged on the breaker, 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: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A miniature dual supply, its characterized in that: comprises a control shell bottom (2), a circuit board (4), a forward and reverse rotation direct current speed reducing motor (9), a trip bar (11) and a control shell cover (17);
a motor base (12) is integrally formed on the inner wall of the control shell bottom (2), a forward and reverse rotation direct current speed reducing motor (9) is installed on the motor base (12), the top end and the bottom end of a driving shaft of the forward and reverse rotation direct current speed reducing motor (9) are fixedly connected with an upper bevel gear (7) and a lower bevel gear (8) respectively, a cross shaft (10) is installed on the middle of the driving shaft, a left power gear (6) and a right power gear (14) are installed on two ends of the cross shaft (10) respectively, the end of the cross shaft (10) is movably connected with a shaft base 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 in meshed connection with the upper bevel gear (7) and the lower; the outer sides of the left power gear (6) and the right power gear (14) are in meshed connection with a driven gear (5), a transmission square shaft (13) is installed 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 circuit breaker transmission handles (16) are installed on the transmission square shaft (13);
a switch K (3) for controlling the on-off of a switching power supply is installed at the top in the control shell bottom (12), a protective cover (1) is hinged above the control shell bottom (12), a pressing block for pressing the switch K (3) is arranged on the bottom surface of the protective cover (1) corresponding to the switch K (3), and the protective cover (1) is connected with the control shell bottom (12) in a clamping manner; when the protective cover (1) is opened, the pressing block is lifted to disconnect the switch K (3), so that the protective cover is opened and power-off is protected.
2. The dual miniature power supply of claim 1, wherein: a circuit board (4) is mounted in the control shell bottom (12) through screws; the circuit board (4) is provided with a relay (4-1), a power indicator (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 backup power supply.
3. The dual miniature power supply of claim 1, wherein: a tripping rod (11) and a travel switch K1(15) are respectively installed on the inner wall of the control shell bottom (12) through installation grooves; a spring is connected between the trip rod (11) and the control shell bottom (12); a conversion rod (18) is arranged on the left power gear (6) and the right power gear (14) through a through groove, and the conversion rod (18) is respectively abutted against the trip rod (11) and the travel switch K1 (15).
4. The dual miniature power supply of claim 1, wherein: the top surface of the upper bevel gear (7) is provided with a boss exposed out of the control shell bottom (2), the boss is provided with a limit groove, and the top of a driving shaft of the forward and reverse rotation direct current speed reducing motor (9) is hinged with a control shell cover (17) capable of being embedded into the limit groove.
5. The dual miniature power supply of claim 1, wherein: the width of the control shell bottom (2) 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 (2) and the circuit breaker are installed in a rail type mode.
6. A control method using the dual miniature power supply of claim 1.
CN201910807408.2A 2019-08-29 2019-08-29 Miniature dual power supply and control method thereof Pending CN110993399A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910807408.2A CN110993399A (en) 2019-08-29 2019-08-29 Miniature dual power supply and control method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910807408.2A CN110993399A (en) 2019-08-29 2019-08-29 Miniature dual power supply and control method thereof

Publications (1)

Publication Number Publication Date
CN110993399A true CN110993399A (en) 2020-04-10

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Application Number Title Priority Date Filing Date
CN201910807408.2A Pending CN110993399A (en) 2019-08-29 2019-08-29 Miniature dual power supply and control method thereof

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220220777A1 (en) * 2021-01-08 2022-07-14 Schneider Electric Industries Sas Locking device for an electrical switchboard

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220220777A1 (en) * 2021-01-08 2022-07-14 Schneider Electric Industries Sas Locking device for an electrical switchboard
US11885156B2 (en) * 2021-01-08 2024-01-30 Schneider Electric Industries Sas Locking device for an electrical switchboard

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