CN107204710B - Multifunctional power module, more power adapters and polymorphic type impulse generator - Google Patents
Multifunctional power module, more power adapters and polymorphic type impulse generator Download PDFInfo
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- CN107204710B CN107204710B CN201710391380.XA CN201710391380A CN107204710B CN 107204710 B CN107204710 B CN 107204710B CN 201710391380 A CN201710391380 A CN 201710391380A CN 107204710 B CN107204710 B CN 107204710B
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- power supply
- supply line
- line
- power
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
- H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
- H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M11/00—Power conversion systems not covered by the preceding groups
Abstract
The present invention provides multifunctional power module, including secondary ac power supply line；The main ac power supply line connecting interface and main load connecting interface that setting is connected in parallel with main ac power supply line on the secondary ac power supply line；Setting disconnect switch corresponding with the pair ac power supply line output power in the pair ac power supply line.By exchanging auxiliary electric power supply in transformer secondary output parallel connection, the dynamic configuration of output power when main load accesses is realized.Automatic, semiautomatic control transformer work is may be directly applied to, whether there is alternative effect.A brand-new method is searched out in the form of automatic, semi-automatic frequent starting.Also it can directly band carry, stability is high.So as to ensure that the reasonable disposition of the energy, while this power supply is also used as impulse generator, so as to expand the use scope of product.
Description
Technical field
The present invention relates to power technique fields more particularly to multifunctional power module, more power adapters and polymorphic type pulses
Generator.
Background technology
Existing power supply (signal source) is all that indirect belt carries, it is necessary to which being amplified by signal or converted could be with load.And the line
Road directly band carries or obtains signal.With countless phase control function of power, and it is intuitive switching pulse.It is actually using
In, power configuration will be carried out respectively for various types of main loads, used, carried so as to be not easy to the switching of different main loads
High manipulation strength reduces safety and reliability.
Invention content
For the drawbacks described above and problem of the prior art, the purpose of the embodiment of the present invention be to provide multifunctional power module,
More power adapters and polymorphic type impulse generator.So as to solve existing power supply module function it is single and cannot according to load into
Row switching, the problem of so as to cause energy waste.
In order to achieve the above object, the present invention provides following technical solution：
Multifunctional power module, including secondary ac power supply line；Setting is exchanged with main on the secondary ac power supply line
The main ac power supply line connecting interface and main load connecting interface that supply line is connected in parallel；The pair ac power supply line
Middle setting disconnect switch corresponding with the pair ac power supply line output power.
In a preferred embodiment, it further includes：Main load current measuring device and master are set in main loaded line
Load voltage measuring device, major-minor ac power supply line switch controller；The main ac power supply line connecting interface and main friendship
Supply line's connection is flowed, the main load connecting interface is connect with main loaded line, the main load current measuring device and master
Load voltage measuring device output terminal is connect with the input terminal of the major-minor ac power supply line switch controller, and the major-minor is handed over
The output terminal of stream supply line switch controller is connect with the disconnect switch, when according to the main load current measuring device and
When the current power that main load voltage measuring device is measured is below the main ac power supply line quantity of power, drive described disconnected
Way switch disconnects, if the main bearing power is in the sum of output power of the main ac power supply line and secondary ac power supply line
Hereinafter, the disconnect switch is then driven to be closed.
In a preferred embodiment, it further includes, setting auxiliary line electric current is surveyed in the secondary ac power supply line
Device and main load voltage measuring device are measured, the auxiliary line current measuring device and main load voltage measuring device are to the pair
Present current value and voltage value in ac power supply line, which are given, to be detected, with the major-minor ac power supply line switch controller
Input terminal connects, present current value and electricity of the major-minor ac power supply line switch controller in the secondary ac power supply line
Pressure value obtains the output power of the secondary ac power supply line of the secondary ac power supply line.
In a preferred embodiment, the secondary ac power supply line is switched by main loaded line bears with the master
Carry connecting interface connection；It is connect on the secondary ac power supply line by the second disconnect switch with the second load connecting interface,
The second load connecting interface is the connecting interface being connect with the second loaded line；Major-minor ac power supply line switch controller
Output terminal connect with the main loaded line switch and the second disconnect switch, if after driving the disconnect switch disconnection, drive
The dynamic main loaded line switch disconnects, the second disconnect switch is closed and then the driving disconnect switch is closed, and makes described
Secondary ac power supply line is connected with the described second load connecting interface, is powered to the second loaded line；If the main bearing power
In the sum of output power of the main ac power supply line and secondary ac power supply line hereinafter, then major-minor ac power supply line switches
Controller drives second disconnect switch to disconnect, main loaded line switch is closed.
In a preferred embodiment, it further includes, setting is mutually electric in each circuitry phase of the main loaded line
Flow sensor sets setting each phase switching switch of main line respectively in each phase line of the main ac power supply line；Institute
The input terminal that phase current sensor is stated with the major-minor ac power supply line switch controller is connect, the major-minor Alternating Current Power Supply
The output terminal of circuit switching controller is connect with each phase switching switch in the main ac power supply line, mutually electric when collecting
A skew phase in stream then disconnects the phase switching switch in corresponding main line, which is switched to and siding
Road connects.
In a preferred embodiment, spare disconnect switch is set in secondary ac power supply line, and the major-minor is handed over
The output terminal of stream supply line switch controller is connect with the spare disconnect switch, after the disconnect switch is driven to disconnect,
The current value of the auxiliary line current measuring device is acquired, if the current value is higher than setting value, the spare open circuit is driven to open
Shutdown is opened.
Meanwhile the present invention also provides a kind of more power adapters, including above-mentioned multifunctional power module, main Alternating Current Power Supply
Circuit and main loaded line；The main ac power supply line connect with the main ac power supply line of more power adapter modules and connects
Mouth connection, the main loaded line are connect with the main load connecting interface.
In a preferred embodiment, the main load of the main load circuit is capacitive load, inductive load or electricity
Resistance load.
In a preferred embodiment, the main load circuit is electric welding machine power supply circuit.
Meanwhile the present invention also provides a kind of polymorphic type impulse generator, the multifunctional power including preceding claim
Module, main ac power supply line, main pulse loaded line and Pulse sampling device；In the multifunctional power mould secondary exchange in the block
Pulse collection resistance is set in supply line；The main ac power supply line and the main Alternating Current Power Supply of more power adapter modules
Connection interface connects, and the main loaded line is connect with the main load connecting interface；The Pulse sampling device is set to
The both ends of the pulse collection resistance are given the pulse information of the pulse collection resistance and are acquired, and the main load circuit is
Short circuit load circuit, capacitive load circuit and inductive load circuit；The Pulse sampling device is to the pulse collection resistance both ends
Pulse information be acquired.
Beneficial effects of the present invention are：Multifunctional power module, more power adapters and polymorphic type pulse hair in the present invention
Raw device by exchanging auxiliary electric power supply in transformer secondary output parallel connection, realizes the dynamic of output power when main load accesses
Configuration.Automatic, semiautomatic control transformer work is may be directly applied to, whether there is alternative effect.Automatic, semi-automatic frequent
A brand-new method is searched out in the form of startup.Also it can directly band carry, stability is high.So as to ensure that the reasonable of the energy
Configuration, while this power supply is also used as impulse generator, so as to expand the use scope of product.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of circuit composition schematic diagram of multifunctional power module in one embodiment of the present invention；
Fig. 2 is the loaded circuit composition signal of a kind of multifunctional power modular belt in one embodiment of the present invention
Figure；
Fig. 3 is a kind of control connection diagram of multifunctional power module in one embodiment of the present invention；
Fig. 4 is a kind of circuit composition schematic diagram of multifunctional power module in another embodiment of the present invention；
Fig. 5 is a kind of circuit composition schematic diagram of multifunctional power module in another embodiment of the invention；
Fig. 6 is a kind of circuit composition schematic diagram of multifunctional power module in another embodiment of the present invention；
Fig. 7 is multinomial circuit composition schematic diagram in a kind of multifunctional power module in one embodiment of the present invention；
Fig. 8 is a kind of circuit composition schematic diagram of multifunctional power module in another embodiment of the invention；
Status diagram when Fig. 9 is more power adapter module initial states in one embodiment of the present invention；
Status diagram when Figure 10 is more power adapter module power-up states in one embodiment of the present invention；
Status diagram when Figure 11 is more power adapter module working conditions in one embodiment of the present invention；
Working condition when Figure 12 is more power adapter module loadings resistive main load in one embodiment of the present invention
When status diagram；
Working condition when Figure 13 is more power adapter module loadings perception main load in one embodiment of the present invention
When status diagram；
Working condition when Figure 14 is more power adapter module loading capacitives main load in one embodiment of the present invention
When status diagram.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme of the present invention is clearly and completely described, it is clear that
Described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Based on the implementation in the present invention
Example, those of ordinary skill in the art's all other embodiments obtained without creative efforts, belongs to
The scope of protection of the invention.
The present invention provides a kind of multifunctional power module, as shown in Figure 1, including secondary ac power supply line 10；It is handed in pair
The main ac power supply line connecting interface 20 and main load that setting is connected in parallel with main ac power supply line in stream supply line 10
Connecting interface 30.Disconnect switch corresponding with 10 output power of secondary ac power supply line is arranged in series in secondary ac power supply line 10
K1.Disconnect switch K1 is air circuit breaker K1.It in practical application, can be by the main part package curing of circuit in resinous wood
In material, external wire connection terminal is welded into transformer time pole connecting pin 20 and main load connecting pin 30, consequently facilitating using.Such as Fig. 2
It is shown, main load current measuring device 51 is set in main loaded line 50, such as ammeter；Main load voltage measuring device 52,
Such as voltmeter, major-minor ac power supply line switch controller 60.Main ac power supply line connecting interface 20 and main Alternating Current Power Supply line
Road 40 connects, transformer-supplied circuit as shown.Main load connecting interface 30 is connect with main loaded line 50.As shown in figure 3,
Main load current measuring device 51 and main 52 output terminal of load voltage measuring device and major-minor ac power supply line switch controller
60 input terminal connection, the output terminal of major-minor ac power supply line switch controller 60 is connect with disconnect switch K1, when according to master
The performance number that current flow, the voltage that load current measuring device 51 and main load voltage measuring device 52 are measured obtain, and
When the performance number is below main ac power supply line quantity of power, driving disconnect switch K1 is disconnected, from main ac power supply line 40 to
Main loaded line 50 is powered.If main bearing power, i.e., the actual power consumption in main loaded line 50 is less than main Alternating Current Power Supply line
During the sum of output power of road 40 and secondary ac power supply line 10, then disconnect switch K1 is driven to be closed, makes ac power supply line 40
It powers jointly to main loaded line 50 with secondary ac power supply line 10.It should be noted that it is above-mentioned pair ac power supply line 10 with
Main ac power supply line 40 should be homologous ray, with the circuit in mutually electric electric power system.
It is more accurate to the real-time acquisition of output power in secondary ac power supply line 10 in order to make, in a kind of reality of the present invention
It applies in mode, as shown in Fig. 4,3, further includes, auxiliary line current measuring device 11 and pair are set in secondary ac power supply line 10
Line voltage distribution measuring device, auxiliary line current measuring device 11 and auxiliary line voltage measuring apparatus 12 are to secondary ac power supply line 10
In present current value and voltage value give and detect, connect with the input terminal of major-minor ac power supply line switch controller 60, it is main
Present current value and voltage value of the secondary ac power supply line switch controller 60 in secondary ac power supply line 10 obtain secondary hand over
Flow the output power of the secondary ac power supply line 10 of supply line 10.
It is not, it can be achieved that other external circuits when main loaded line 50 is powered for the ease of secondary ac power supply line 10
The purpose of power supply, in one embodiment of the invention, as shown in figure 5, secondary ac power supply line 10 passes through main loaded line
Switch K2 is connect with main load connecting interface 30.It is loaded on secondary ac power supply line 10 by the second disconnect switch K3 and second
The connecting interface 61 of circuit 60 connects, and the second load connecting interface 61 is the connecting interface being connect with the second loaded line 60.It is main
The output terminal of secondary ac power supply line switch controller 60 is connect with main loaded line switch K2 and the second disconnect switch K3, if driving
After dynamic circuit breaker way switch K1 is disconnected with main loaded line 31, then main loaded line switch K2 disconnections, the second disconnect switch K3 is driven to close
It closes, later, as shown in fig. 6, disconnect switch K1 and the supply line 62 of the second loaded line 60 is driven to be closed again, supplies secondary exchange
Electric line 10 is connected with the second load connecting interface, is powered to the second loaded line 60.If the power in main load 30 is in main friendship
The sum of output power of supply line 40 and secondary ac power supply line 10 is flowed hereinafter, then major-minor ac power supply line switch controller
60 the second disconnect switch K3 of driving are disconnected, main loaded line switch is closed K2.It is electric welding machine etc. particularly in main loaded line 50
Load, and the second loaded line 60 for electric consumption on lighting load when.In this case, it is particularly suitable for plant area's power supply of factory, main confession
Electricity is commercial power, such as electric welding machine, and the second loaded line 60 is household electricity, and the electricity for being particularly suitable for plant area is rationally divided
Match, so as to improve effective use of electric power.
When load is electric welding machine, to ensure the balance of each phase electricity when in use, as shown in fig. 7, in one kind of the present invention
It in embodiment, further includes, phase current sensor is set in each circuitry phase 50-1,51-1,52-1 of main loaded line
50-2,51-2,52-2 set setting main line items switching switch K1- respectively in each phase line of main ac power supply line
1st, K1-2 and K1-3；Phase current sensor is connect with the input terminal of major-minor ac power supply line switch controller 60, major-minor exchange
The output terminal of supply line's switch controller 60 and each phase switching switch K1-1, K1-2 and K1-3 in main ac power supply line
Connection, when collecting in phase current, i.e., the skew phase in the electric current in phase current sensor 50-2,51-2,52-2, i.e.,
The power consumption of a certain phase is low, then disconnects the phase switching switch in corresponding main line, and the low phase line of the power consumption is switched
It is connected to other extension wires.So as to play the role of economize on electricity.
It to be protected to load circuit and power supply, and avoids former malfunctioning switch and circuit is caused to damage, in this hair
In a kind of bright embodiment, spare disconnect switch K11 is set in secondary ac power supply line 10, major-minor ac power supply line is cut
The output terminal of changer controller 60 is connect with spare disconnect switch K11, after disconnect switch K11 is driven to disconnect, acquisition auxiliary line electricity
The current value of flow measuring apparatus 11 if the current value is higher than setting value, drives spare disconnect switch K11 to disconnect.
Simultaneously the present invention also provides a kind of more power adapters, including above-mentioned multifunctional power module, main Alternating Current Power Supply line
Road and main loaded line 50；Main ac power supply line and the main ac power supply line connecting interface 20 of more power adapter modules connect
It connects, main loaded line 50 is connect with main load connecting interface 30.The main load of main load circuit for capacitive load, inductive load or
Ohmic load.Main load circuit is electric welding machine power supply circuit.
Meanwhile the present invention also provides a kind of polymorphic type impulse generator, including above-mentioned multifunctional power module, main exchange
Supply line, main pulse loaded line and Pulse sampling device；It is set in multifunctional power mould secondary ac power supply line 10 in the block
Put pulse collection resistance；Main ac power supply line is connect with the main ac power supply line connecting interface 20 of more power adapter modules,
Main loaded line 50 is connect with main load connecting interface 30；Pulse sampling device is set to the both ends of pulse collection resistance, to pulse
The pulse information of acquisition resistance, which is given, to be acquired, and main load circuit is short circuit load circuit, capacitive load circuit and inductive load are electric
Road；Pulse sampling device is acquired the pulse information at pulse collection resistance both ends.
The main load of above-mentioned main load circuit 50 can be the main load (Figure 14) of capacitive, the main load (Figure 13) of perception or hinder
Property it is main load (Figure 12).Disconnect switch K4 is set on main load circuit.The power up of more power adapter modules is：Such as figure
Disconnect switch K1 is concatenated shown in 9, in AC power supply line 10 and closes end, the disconnect switch K4 of main load circuit 50 is in starting shape
State disconnects, and AC power supply line 10 and transformer secondary output 40 power on the both ends with main load circuit 50 at this time, belongs to unloaded
State, the electric current in main load circuit 50 is small, and transformer is non-normal working.As shown in Figure 10, breaking when main load circuit 50
Way switch K4 is formed larger when working condition turns off (closure) between main load circuit 50 and AC power supply line 10
Electric current, in this state, the electric current in main load circuit 50 is big, and transformer is non-normal working.As shown in figure 11, it has
Two kinds happen, and a kind of situation is that the required power in main load circuit 50 is smaller, then in AC power supply line 10
Electric current is larger from causing, switch K1 is disconnected, so as to which AC power supply line 10 disconnects from supply line, realize transformer
The normal power supply of 40 pairs of current main load circuits 50, AC power supply line 10 be not powered.Another situation is, when
When required power in main load circuit 50 is larger, the electric current in main load circuit 50 is big, and in AC power supply line 10
Electric current it is small, so as to which disconnect switch K4 and disconnect switch K1 can time closed state, AC power supply line 10 and transformation
Device 40 is simultaneously to main load supplying.So as to for different main loading demands, realize the dynamic load to power supply.Mistake is saved
More energy transitions is equipped with.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention described should be subject to the protection scope in claims.
Claims (9)
1. multifunctional power module, which is characterized in that including secondary ac power supply line；It is set on the secondary ac power supply line
Put the main ac power supply line connecting interface being connected in parallel with main ac power supply line and main load connecting interface；The secondary friendship
Flow the disconnect switch corresponding with the pair ac power supply line output power of setting in supply line；
It further includes：Main load current measuring device and main load voltage measuring device, major-minor exchange is set to supply in main loaded line
Electric line switch controller；The main ac power supply line connecting interface is connect with main ac power supply line, and the main load connects
Connection interface is connect with main loaded line, the main load current measuring device and main load voltage measuring device output terminal with it is described
The input terminal connection of major-minor ac power supply line switch controller, the output terminal of the major-minor ac power supply line switch controller
It is connect with the disconnect switch, when what is measured according to the main load current measuring device and main load voltage measuring device works as
When preceding power is below the main ac power supply line quantity of power, the disconnect switch is driven to disconnect, if the main bearing power
In the sum of output power of the main ac power supply line and secondary ac power supply line hereinafter, the disconnect switch is then driven to close
It closes.
2. multifunctional power module according to claim 1, which is characterized in that further include, in the secondary Alternating Current Power Supply line
Auxiliary line current measuring device and auxiliary line voltage measuring apparatus, the auxiliary line current measuring device and auxiliary line are set in road
Voltage measuring apparatus is given and is detected to the present current value in the secondary ac power supply line and voltage value, is exchanged with the major-minor
The input terminal connection of supply line's switch controller, major-minor ac power supply line switch controller is according to the secondary Alternating Current Power Supply line
Present current value and voltage value in road obtain the output power of the secondary ac power supply line.
3. multifunctional power module according to claim 2, which is characterized in that the pair ac power supply line passes through main negative
Line switching is carried to connect with the main load connecting interface；Pass through the second disconnect switch and the on the secondary ac power supply line
Two load connecting interface connections, the second load connecting interface is the connecting interface being connect with the second loaded line；Major-minor is handed over
The output terminal of stream supply line switch controller is connect with the main loaded line switch and the second disconnect switch, if described in driving
After disconnect switch disconnects, then the main loaded line switch is driven to disconnect, described in the second disconnect switch closure and then driving
Disconnect switch is closed, and the secondary ac power supply line is made to be connected with the described second load connecting interface, is supplied to the second loaded line
Electricity；If the main bearing power in the sum of output power of the main ac power supply line and secondary ac power supply line hereinafter, if
Major-minor ac power supply line switch controller drives second disconnect switch to disconnect, main loaded line switch is closed.
4. multifunctional power module according to claim 2, which is characterized in that further include, in the main loaded line
Phase current sensor in each circuitry phase is set, each phase of main line is set in each phase line of the main ac power supply line
Switching switch；The phase current sensor is connect with the input terminal of the major-minor ac power supply line switch controller, the master
The output terminal of secondary ac power supply line switch controller is connect with each phase switching switch in the main ac power supply line, when
The skew phase in phase current is collected, then the phase switching switch in corresponding main line is disconnected, which is switched
Extremely it is connect with extension wire.
5. multifunctional power module according to claim 2, which is characterized in that set in secondary ac power supply line spare
Disconnect switch, the output terminal of the major-minor ac power supply line switch controller are connect with the spare disconnect switch, work as driving
After the disconnect switch disconnects, the current value of the auxiliary line current measuring device is acquired, if the current value is higher than setting value,
The spare disconnect switch is driven to disconnect.
Power adapter more than 6., which is characterized in that including multifunctional power module according to any one of claims 1 to 5, main friendship
Flow supply line and main loaded line；The main ac power supply line and the main ac power supply line of the multifunctional power module
Connecting interface connects, and the main loaded line is connect with the main load connecting interface.
7. more power adapters according to claim 6, which is characterized in that the main load of the main loaded line is born for capacitance
Load, inductive load or ohmic load.
8. more power adapters according to claim 6, which is characterized in that the main loaded line is electric welding machine power supply electricity
Road.
9. polymorphic type impulse generator, which is characterized in that including multifunctional power mould according to any one of claims 1 to 5
Block, main ac power supply line, main pulse loaded line and Pulse sampling device；It is supplied in the multifunctional power mould secondary exchange in the block
Pulse collection resistance is set in electric line；The main ac power supply line and the main Alternating Current Power Supply line of the multifunctional power module
Road connecting interface connection, main loaded line are connect with the main load connecting interface；The Pulse sampling device is set to the arteries and veins
The both ends of punching acquisition resistance, give the pulse information of the pulse collection resistance and acquire, and main loaded line is short circuit load line
Road, capacitive load circuit or inductive load circuit；The Pulse sampling device is to the pulse information at the pulse collection resistance both ends
It is acquired.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391380.XA CN107204710B (en) | 2017-05-27 | 2017-05-27 | Multifunctional power module, more power adapters and polymorphic type impulse generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391380.XA CN107204710B (en) | 2017-05-27 | 2017-05-27 | Multifunctional power module, more power adapters and polymorphic type impulse generator |
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| Publication Number | Publication Date |
|---|---|
| CN107204710A CN107204710A (en) | 2017-09-26 |
| CN107204710B true CN107204710B (en) | 2018-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6288455B1 (en) * | 1998-04-09 | 2001-09-11 | Yamaha Corporation | Power supply circuit structure and electric equipment using the same |
| CN202535149U (en) * | 2012-05-07 | 2012-11-14 | 济南嘉宏科技有限责任公司 | Double-power supply automatic-switching integrated control box |
| CN103457520A (en) * | 2012-06-04 | 2013-12-18 | 思科普有限责任公司 | Motor system with a relay disconnecting start winding at voltage threshold |
| CN104426236A (en) * | 2013-09-06 | 2015-03-18 | 台达电子工业股份有限公司 | Power supply conversion system and control method thereof |
| CN205111023U (en) * | 2015-11-03 | 2016-03-30 | 李会朋 | Electric welding power saving device and energy -conserving electric welding |
-
2017
- 2017-05-27 CN CN201710391380.XA patent/CN107204710B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6288455B1 (en) * | 1998-04-09 | 2001-09-11 | Yamaha Corporation | Power supply circuit structure and electric equipment using the same |
| CN202535149U (en) * | 2012-05-07 | 2012-11-14 | 济南嘉宏科技有限责任公司 | Double-power supply automatic-switching integrated control box |
| CN103457520A (en) * | 2012-06-04 | 2013-12-18 | 思科普有限责任公司 | Motor system with a relay disconnecting start winding at voltage threshold |
| CN104426236A (en) * | 2013-09-06 | 2015-03-18 | 台达电子工业股份有限公司 | Power supply conversion system and control method thereof |
| CN205111023U (en) * | 2015-11-03 | 2016-03-30 | 李会朋 | Electric welding power saving device and energy -conserving electric welding |
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| Publication number | Publication date |
|---|---|
| CN107204710A (en) | 2017-09-26 |
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