CN206517071U - The single phase power supply equipment of smart allocation three-phase voltage - Google Patents
The single phase power supply equipment of smart allocation three-phase voltage Download PDFInfo
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- CN206517071U CN206517071U CN201621444592.7U CN201621444592U CN206517071U CN 206517071 U CN206517071 U CN 206517071U CN 201621444592 U CN201621444592 U CN 201621444592U CN 206517071 U CN206517071 U CN 206517071U
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
Abstract
The utility model discloses a kind of single phase power supply equipment of smart allocation three-phase voltage, power supply unit includes phase voltage handover module, switching control module and three phase-voltage measurement modules, each phase-voltage measurement module is connected in the output loading of a phase line, phase-voltage measurement module is connected with switching control module, export phase voltage and give switching control module, external three-phase alternating current distinguishes powering load by phase voltage handover module, phase voltage handover module is connected with switching control module, the control phase voltage handover module work of switching control module.The problem of the utility model is solved to the phase line imbalance of the appearance in power network and wire rod aging, it is greatly improved installation question simultaneously, utility model shortcoming uneven to phase line and mentioned above can use the method for the single phase power supply of smart allocation three-phase voltage, so the utility model all has an enormous advantage for occurring phase voltage imbalance originally, installing in terms of the cumbersome and wire rod life-span.
Description
Technical field
The utility model discloses a kind of single phase power supply equipment of use smart allocation three-phase voltage, particularly a kind of three-phase electricity
The single phase power supply equipment inputted under occasion.
Background technology
Accompanying drawing 1 and accompanying drawing 2 are refer to, the single phase power supply equipment of three-phase electricity input of the prior art is all at will to connect one
Live wire and zero line carry out single phase power supply, using such power supply mode, when multiple devices simultaneously power by heavy load,
It will occur in which that the voltage of a phase line is pulled low, moreover, electric current increase is easily caused wire rod accelerated ageing；And other two
Or then voltage is higher for a phase line, so as to cause three-phase voltage energy imbalance occur, if to ensure phase line balance, needs
Want every phase line to access almost identical load, so just can guarantee that phase line is balanced, for such butted line operating personnel, behaviour
Make very cumbersome and complicated.
The content of the invention
Wire rod aging and phase voltage for the single phase power supply equipment of the input of three-phase electricity in the prior art mentioned above are not
The shortcoming of balance, the utility model provides a kind of single phase power supply equipment of smart allocation three-phase voltage, and it uses phase-voltage measurement
Module detects the magnitude of voltage of each phase line, and switching control module controls phase voltage handover module to work according to the magnitude of voltage of detection,
Switched between phase line and load, it is possible to resolve above mentioned problem.
The utility model solve its technical problem use technical scheme be：A kind of single-phase confession of smart allocation three-phase voltage
Electric equipment, power supply unit includes phase voltage handover module, switching control module and three phase-voltage measurement modules, each mutually electricity
Pressure detection module is connected in the output loading of a phase line, and phase-voltage measurement module is connected with switching control module, exports phase
Voltage gives switching control module, and external three-phase alternating current distinguishes powering load, phase voltage switching by phase voltage handover module
Module is connected with switching control module, the control phase voltage handover module work of switching control module.
The technical solution adopted in the utility model further comprises：
Described phase-voltage measurement module uses voltage transformer.
Described phase voltage handover module is the electronic switch with Electronic Control on-off function.
Described phase voltage handover module includes relay J1 and relay J2, relay J1 normally-closed contact and the first phase
Line is connected, and relay J1 common port is connected with the first load, and relay J1 normally opened contact is connected with relay J2 common ports；
Relay J2 normally-closed contact is connected with the second phase line, and relay J2 normally opened contact is connected with third phase line；Relay J1 and
Relay J2 control end is connected with switching control module respectively.Described phase voltage handover module includes metal-oxide-semiconductor G1, metal-oxide-semiconductor
G2, metal-oxide-semiconductor G3, metal-oxide-semiconductor G4, metal-oxide-semiconductor G5, metal-oxide-semiconductor G6, metal-oxide-semiconductor G7, metal-oxide-semiconductor G8 and metal-oxide-semiconductor G9, metal-oxide-semiconductor G1 source electrode with
First phase line is connected, and metal-oxide-semiconductor G1 drain electrode is connected with the first load, and metal-oxide-semiconductor G2 source electrode is connected with the second phase line, metal-oxide-semiconductor G2
Drain electrode with first load be connected, metal-oxide-semiconductor G3 source electrode is connected with third phase line, metal-oxide-semiconductor G3 drain electrode with first load be connected；
Metal-oxide-semiconductor G4 source electrode is connected with the first phase line, and metal-oxide-semiconductor G4 drain electrode is connected with the second load, metal-oxide-semiconductor G5 source electrode and the second phase
Line is connected, and metal-oxide-semiconductor G5 drain electrode is connected with the second load, and metal-oxide-semiconductor G6 source electrode is connected with third phase line, metal-oxide-semiconductor G6 drain electrode
It is connected with the second load；Metal-oxide-semiconductor G7 source electrode is connected with the first phase line, and metal-oxide-semiconductor G7 drain electrode is connected with the 3rd load, metal-oxide-semiconductor
G8 source electrode is connected with the second phase line, and metal-oxide-semiconductor G8 drain electrode is connected with the 3rd load, and metal-oxide-semiconductor G9 source electrode and third phase line connect
Connect, metal-oxide-semiconductor G9 drain electrode is connected with the 3rd load, metal-oxide-semiconductor G1, metal-oxide-semiconductor G2, metal-oxide-semiconductor G3, metal-oxide-semiconductor G4, metal-oxide-semiconductor G5, metal-oxide-semiconductor
G6, metal-oxide-semiconductor G7, metal-oxide-semiconductor G8 and metal-oxide-semiconductor G9 grid are connected with switching control module respectively.
Described switching control module uses MCU or CPU with A/D translation functions.
Described switching control module includes MCU or CPU and A/D modular converters, three phase-voltage measurement module difference
It is connected with A/D modular converters, A/D modular converters are connected with MCU or CPU.
The beneficial effects of the utility model are：The utility model solve it is uneven to the phase line of the appearance in power network and
The problem of wire rod aging, while being greatly improved installation question, prior art will ensure that phase line balance needs every
Phase line connects almost identical load and just can guarantee that phase line is balanced, and such butted line operating personnel are very cumbersome, and utility model pair
The uneven and mentioned above shortcoming of phase line can use the method for the single phase power supply of smart allocation three-phase voltage, so this practicality
Novel photo all has an enormous advantage for occurring phase voltage imbalance originally, installing in terms of the cumbersome and wire rod life-span.
The utility model is described further below in conjunction with the drawings and specific embodiments.
Brief description of the drawings
Fig. 1 is conventional control system block diagram.
Fig. 2 is conventional control system schematic diagram.
Fig. 3 is the utility model control system functional-block diagram.
Fig. 4 is the phase voltage handover module circuit theory diagrams of the utility model embodiment one.
Fig. 5 is that the utility model embodiment two phase electricity presses handover module circuit theory diagrams.
Embodiment
The present embodiment is the utility model preferred embodiment, and other all its principle and basic structure are identical with the present embodiment
Or approximate, within the utility model protection domain.
Accompanying drawing 3 please be check, the utility model is mainly a kind of single phase power supply equipment of smart allocation three-phase voltage, and power supply is set
It is standby mainly to include in phase voltage handover module, switching control module and three phase-voltage measurement modules, the present embodiment, phase voltage
Detection module can using voltage transformer or other there is the module of voltage detecting function, wherein each phase-voltage measurement module connects
In the output loading for being connected on a phase line, the magnitude of voltage for detecting the phase linear load, external three-phase alternating current passes through phase voltage
Handover module is distinguished in powering load, the present embodiment, and phase voltage handover module is the electronics with Electronic Control on-off function
Switch, can switch three phase lines to different load supplyings by phase voltage handover module, in the present embodiment, switching control mould
Block is used for the output signal for controlling to receive phase-voltage measurement module, and according to the output signal of phase-voltage measurement module control phase electricity
Press handover module work.
In the present embodiment, switching control module can use MCU or CPU with A/D translation functions, can be by three phase voltages
The analog signal of detection module output is directly changed into data signal and used；Switching control module can also be used to be turned without A/D
The MCU or CPU for changing function coordinate A/D modular converters to work together, are connected on outside A/D modular converters on MCU or CPU, are turned by A/D
Change the mold block and the analog signal that three phase-voltage measurement modules are exported is directly changed into data signal exports and used to MCU or CPU；
If phase-voltage measurement module carries A/D translation functions, switching control module can be also used without A/D translation functions
MCU or CPU.
Refer in accompanying drawing 4, the present embodiment, using relay as phase voltage handover module exemplified by, its structure is said
Bright, in the present embodiment, relay J1 normally-closed contact is connected with phase line L1, relay J1 common port and load R1, R2, R3 ...
RN connections, relay J1 normally opened contact with relay J2 common port with being connected, relay J2 normally-closed contact and phase line
L2 connections, relay J2 normally opened contact is connected with L3；After relay J1 and relay J2 control end respectively with switching control
Module is connected, and its work is controlled by switching control module.
Refer in accompanying drawing 5, the present embodiment, using metal-oxide-semiconductor as phase voltage handover module exemplified by, its structure is said
Bright, in the present embodiment, metal-oxide-semiconductor G1 source electrode is connected with phase line L1, and metal-oxide-semiconductor G1 drain electrode is connected with load R1, metal-oxide-semiconductor G2 source
Pole is connected with phase line L2, and metal-oxide-semiconductor G2 drain electrode is connected with load R1, and metal-oxide-semiconductor G3 source electrode is connected with phase line L3, metal-oxide-semiconductor G3's
Drain electrode is connected with load R1；Metal-oxide-semiconductor G4 source electrode is connected with phase line L1, and metal-oxide-semiconductor G4 drain electrode is connected with load R2, metal-oxide-semiconductor G5
Source electrode be connected with phase line L2, metal-oxide-semiconductor G5 drain electrode is connected with load R2, and metal-oxide-semiconductor G6 source electrode is connected with phase line L3, metal-oxide-semiconductor
G6 drain electrode is connected with load R2；Metal-oxide-semiconductor G7 source electrode is connected with phase line L1, and metal-oxide-semiconductor G7 drain electrode is connected with load R3, MOS
Pipe G8 source electrode is connected with phase line L2, and metal-oxide-semiconductor G8 drain electrode is connected with load R3, and metal-oxide-semiconductor G9 source electrode is connected with phase line L3,
Metal-oxide-semiconductor G9 drain electrode is connected with load R3, metal-oxide-semiconductor G1, metal-oxide-semiconductor G2, metal-oxide-semiconductor G3, metal-oxide-semiconductor G4, metal-oxide-semiconductor G5, metal-oxide-semiconductor G6, MOS
Pipe G7, metal-oxide-semiconductor G8 and metal-oxide-semiconductor G9 grid are connected with switching control module respectively, and its work is controlled by switching control module.
In above-described embodiment, phase-voltage measurement module is specifically described by taking relay and metal-oxide-semiconductor as an example, is embodied
When, phase-voltage measurement module can refer to said structure and be realized from other electronic control switch such as IGBT, triode, controllable silicons.
The utility model operationally (i.e. the application method of the utility model equipment), distinguish by each phase-voltage measurement module
The load voltage in corresponding phase line is detected, and exports detection signal and gives switching control module, (this reality when it, which reaches, imposes a condition
Apply in example, impose a condition and condition is done with the time, such as every 15 minutes or 30 minutes), switching control module gathers each phase voltage
The detected value of detection module, and control phase voltage handover module to carry out phase voltage switching, the phase line of original load weight is switched to
Originally loaded and be powered in light phase line, and light phase line is loaded originally be switched in the phase line of original load weight and be powered,
Single phase line long-term work would not so occur under heavy duty, so as to reach three phase line life-span equalization problems.
The problem of the utility model is solved to the phase line imbalance of the appearance in power network and wire rod aging, while making peace
Dress problem is greatly improved, and prior art will ensure that phase line balance needs every phase line to connect almost identical load ability
Ensure phase line balance, such butted line operating personnel are very cumbersome, and utility model is uneven to phase line and mentioned above lacks
Point can using the single phase power supply of smart allocation three-phase voltage method, so relative to there is phase voltage originally in the utility model
It is uneven, install in terms of the cumbersome and wire rod life-span for, all have an enormous advantage.
Claims (7)
1. a kind of single phase power supply equipment of smart allocation three-phase voltage, it is characterized in that：Described power supply unit is cut including phase voltage
Change the mold block, switching control module and three phase-voltage measurement modules, each phase-voltage measurement module is connected to phase line
In output loading, phase-voltage measurement module is connected with switching control module, is exported phase voltage and is given switching control module, external three-phase
Alternating current distinguishes powering load by phase voltage handover module, and phase voltage handover module is connected with switching control module, switches
Control module control phase voltage handover module work.
2. the single phase power supply equipment of smart allocation three-phase voltage according to claim 1, it is characterized in that：Described phase voltage
Detection module uses voltage transformer.
3. the single phase power supply equipment of smart allocation three-phase voltage according to claim 1 or 2, it is characterized in that：Described phase
Voltage switching module is the electronic switch with Electronic Control on-off function.
4. the single phase power supply equipment of smart allocation three-phase voltage according to claim 3, it is characterized in that：Described phase voltage
Handover module includes relay J1 and relay J2, and relay J1 normally-closed contact is connected with the first phase line, relay J1 public affairs
End is connected with the first load altogether, and relay J1 normally opened contact is connected with relay J2 common ports；Relay J2 normally-closed contact
It is connected with the second phase line, relay J2 normally opened contact is connected with third phase line；Relay J1 and relay J2 control end point
It is not connected with switching control module.
5. the single phase power supply equipment of smart allocation three-phase voltage according to claim 3, it is characterized in that：Described phase voltage
Handover module include metal-oxide-semiconductor G1, metal-oxide-semiconductor G2, metal-oxide-semiconductor G3, metal-oxide-semiconductor G4, metal-oxide-semiconductor G5, metal-oxide-semiconductor G6, metal-oxide-semiconductor G7, metal-oxide-semiconductor G8 with
And metal-oxide-semiconductor G9, metal-oxide-semiconductor G1 source electrode is connected with the first phase line, and metal-oxide-semiconductor G1 drain electrode is connected with the first load, metal-oxide-semiconductor G2 source
Pole is connected with the second phase line, and metal-oxide-semiconductor G2 drain electrode is connected with the first load, and metal-oxide-semiconductor G3 source electrode is connected with third phase line, MOS
Pipe G3 drain electrode is connected with the first load；Metal-oxide-semiconductor G4 source electrode is connected with the first phase line, metal-oxide-semiconductor G4 drain electrode and the second load
Connection, metal-oxide-semiconductor G5 source electrode be connected with the second phase line, and metal-oxide-semiconductor G5 drain electrode is loaded with second and is connected, metal-oxide-semiconductor G6 source electrode and
Third phase line is connected, and metal-oxide-semiconductor G6 drain electrode is connected with the second load；Metal-oxide-semiconductor G7 source electrode is connected with the first phase line, metal-oxide-semiconductor G7
Drain electrode with the 3rd load be connected, metal-oxide-semiconductor G8 source electrode is connected with the second phase line, metal-oxide-semiconductor G8 drain electrode with the 3rd load be connected,
Metal-oxide-semiconductor G9 source electrode is connected with third phase line, and metal-oxide-semiconductor G9 drain electrode is connected with the 3rd load, metal-oxide-semiconductor G1, metal-oxide-semiconductor G2, metal-oxide-semiconductor
G3, metal-oxide-semiconductor G4, metal-oxide-semiconductor G5, metal-oxide-semiconductor G6, metal-oxide-semiconductor G7, metal-oxide-semiconductor G8 and metal-oxide-semiconductor G9 grid respectively with switching control module
Connection.
6. the single phase power supply equipment of smart allocation three-phase voltage according to claim 1 or 2, it is characterized in that：Described cuts
Change control module and use MCU or CPU with A/D translation functions.
7. the single phase power supply equipment of smart allocation three-phase voltage according to claim 1 or 2, it is characterized in that：Described cuts
Changing control module includes MCU or CPU and A/D modular converters, and three phase-voltage measurement modules connect with A/D modular converters respectively
Connect, A/D modular converters are connected with MCU or CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621444592.7U CN206517071U (en) | 2016-12-27 | 2016-12-27 | The single phase power supply equipment of smart allocation three-phase voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621444592.7U CN206517071U (en) | 2016-12-27 | 2016-12-27 | The single phase power supply equipment of smart allocation three-phase voltage |
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| Publication Number | Publication Date |
|---|---|
| CN206517071U true CN206517071U (en) | 2017-09-22 |
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| CN201621444592.7U Active CN206517071U (en) | 2016-12-27 | 2016-12-27 | The single phase power supply equipment of smart allocation three-phase voltage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412157A (en) * | 2018-11-30 | 2019-03-01 | 武汉精能电子技术有限公司 | A kind of exchange input phase failure falls phase switching circuit |
-
2016
- 2016-12-27 CN CN201621444592.7U patent/CN206517071U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109412157A (en) * | 2018-11-30 | 2019-03-01 | 武汉精能电子技术有限公司 | A kind of exchange input phase failure falls phase switching circuit |
| CN109412157B (en) * | 2018-11-30 | 2024-04-05 | 武汉精能电子技术有限公司 | AC input phase-failure phase-switching circuit |
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| TR01 | Transfer of patent right |
Effective date of registration: 20180227 Address after: 518000 Guangdong Shenzhen City, Shenzhen Nanshan District Taoyuan Street Li Shan Road University City Pioneer Park 805 room Patentee after: Shenzhen Green Technology Co., Ltd. Address before: Green Lake Industrial Park Town 523649 Guangdong city of Dongguan province Fuji Industrial City seventh Patentee before: Li Baohua |