CN207884269U - A kind of electrical equipment anti-shake controller for electric consumption - Google Patents
A kind of electrical equipment anti-shake controller for electric consumption Download PDFInfo
- Publication number
- CN207884269U CN207884269U CN201820260655.6U CN201820260655U CN207884269U CN 207884269 U CN207884269 U CN 207884269U CN 201820260655 U CN201820260655 U CN 201820260655U CN 207884269 U CN207884269 U CN 207884269U
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- relay
- electrical equipment
- control
- circuit module
- circuit
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Abstract
A kind of electrical equipment anti-shake controller for electric consumption, including DC circuit module and alternating current circuit module.The access of alternating current circuit module has one first control frequency converter, connects the control circuit of electrical equipment.DC circuit module includes the relay and one second control frequency converter of multiple parallel connections.Control module further includes a direct current source component, is respectively turned on the alternating current circuit and DC circuit of the control module.DC power supply component includes a measure voltage ＆ current control device and a DC power supply.The utility model is arranged by the circuit of such as the utility model, and when occurring to shake electric situation, control circuit can be transferred to DC circuit control.Voltage disturbance occurs in system to ensure, when voltage reduces, load shedding and stopping accident will not occur for electrical equipment unit.
Description
Technical field
The utility model is related to a kind of control circuits, and in particular to a kind of electrical equipment anti-shake controller for electric consumption.
Background technology
" shake electricity " refers to that the fluctuation of power grid short time voltage or short supply interruption show caused by lightning stroke, short circuit or other reasons
As.Power supply system, which generates the fundamental type for shaking electricity, to be had：Voltage dip rises sharply, short supply interruption, voltage flicker.In practical application, electricity
The part circuit of gas equipment primary transducer often has short trouble on the spot, and system voltage disturbance is caused to reduce, running electrical
Equipment causes outage because of undervoltage tripping, and unit load is caused to reduce.Therefore it needs to be transformed circuit, reduces and shake
Electrical phenomena.
Invention content
In view of the above problem, the utility model provides a kind of electrical equipment anti-shake controller for electric consumption, to solve main transformer frequency
The rolling electrical phenomena of device.
The utility model provides a kind of electrical equipment anti-shake controller for electric consumption, including DC circuit module and alternating current circuit mould
Block.The access of alternating current circuit module has one first control frequency converter, connects the control circuit of electrical equipment.It is set in alternating current circuit module
It is equipped with a breaker.DC circuit module includes the relay and one second control frequency converter of multiple parallel connections.DC circuit mould
Block further includes a direct current source component, is respectively turned on the alternating current circuit module and the DC circuit module.DC power supply group
Part includes at least a measure voltage ＆ current control device and a DC power supply.
In an embodiment of the utility model, DC circuit module includes the first relay, the second relay and third
Relay, first relay, second relay and the third relay are parallel to the DC power supply component；Institute
It states the second relay and the third relay is connected the second control frequency converter jointly.
In an embodiment of the utility model, DC circuit module includes the first relay, the second relay and third
Relay.First relay, second relay and the third relay are parallel to DC power supply component.Second relay
Series connection second controls frequency converter jointly with the third relay.
In an embodiment of the utility model, the first control frequency converter is also in series with a frequency converter relay；It also sets up
There is an indicating gage in parallel with the frequency converter relay.
In an embodiment of the utility model, the first control frequency converter is ATV312 frequency converters.
In an embodiment of the utility model, alternating current circuit is 220V circuits.
In an embodiment of the utility model, DC circuit is 24V circuits.
In an embodiment of the utility model, the DC power supply is external power supply or accumulator.
In an embodiment of the utility model, measure voltage ＆ current control device includes at least a controller and a detection
Module.Controller is powered by DC power supply, receive detection module send digital signal, and according to digital signal to breaker,
First relay, the second relay, third relay and DC power supply send control signal；Detection module connects alternating current circuit
Testing result to be detected to voltage and current in alternating current circuit, and can be converted to number by the firewire L and zero curve N of module
Signal is sent to controller.
The beneficial effects of the utility model are, under the premise of not changing original alternating current 220V Frequency Converter Control mode,
Increase the frequency converter of 24V direct currents, control circuit is changed to direct current 24V circuit controls when meeting voltage disturbance.So as in system electricity
Circuit can still remain operational state, electrical equipment energy normal operation when pressure disturbance reduces.
Description of the drawings
Fig. 1 is the circuit diagram of the input circuit part of electrical equipment in the utility model；
Fig. 2 is the circuit diagram of the electrical equipment Anti-electricity dazzling device of the utility model；
Fig. 3 is the circuit diagram of inverter section in Fig. 2；
Wherein, the reference numerals are as follows：
M1 first motors
The second motors of M2
L input circuit firewires
N input circuit zero curves
The first relays of K1
The second relays of K2
K3 third relays
KUF frequency converter relays
UF1 first controls frequency converter
UF2 second controls frequency converter
P DC power supply components
SA, SB are switched
KL1, KN1, KL2, KN2 are switched
K breakers
Specific implementation mode
Below with reference to attached drawing, specific embodiment through the invention carries out in detail technical solution provided by the present invention
Illustrate, so that those skilled in the art carry out more specific understanding to the present invention.It should be noted that following embodiment is provided
Technical solution and Figure of description only for the present invention will be described use, be not intended to limit the present invention.Below
In embodiment and attached drawing, has been omitted from and be not shown with the indirect relevant element of the present invention, step；And each interelement in attached drawing
Size relationship be only to ask and be readily understood by, it is non-limiting actual ratio.
One embodiment of the invention is described in detailed below, to be carried out specifically to technical solution provided by the present invention
It is bright, so that those skilled in the art carry out more specific understanding to the present invention.
It is the circuit diagram of the input circuit part of electrical equipment in the utility model referring to Fig. 1-Fig. 3, Fig. 1.Fig. 2 is this reality
With the circuit diagram of novel electrical equipment Anti-electricity dazzling device.Fig. 3 is the circuit diagram of inverter section in Fig. 2.The utility model carries
For a kind of electrical equipment anti-shake controller for electric consumption (as shown in Figure 2), including alternating current circuit module and DC circuit module.Alternating current
The first control frequency converter UF1 in the road module access original input circuit of electrical equipment (Fig. 1).The wherein electricity of the utility model
The alternating current circuit module of gas equipment anti-shake controller for electric consumption can be 220V or 380V alternating current circuits, and DC circuit module can be
24V DC circuits.
Fig. 1 shows the circuit diagram of the input circuit part of electrical equipment.Include mainly two alternating current generators, first motor M1
With the second motor M2.Wherein as shown in Figure 1, the firewire L and zero curve N of primary input circuit are followed by by the first control frequency converter UF1
Enter first motor M1；The firewire L and zero curve N of primary input circuit are directly accessed the second motor M2.In firewire L and zero curve N accesses the
It is respectively arranged with switch KL1 and switch KN1 before one control frequency converter；It is set respectively before firewire L and zero curve N access the second motor M2
It is equipped with switch KL2 and switch KN2.In normal course of operation, the operation of the first control Frequency Converter Control first motor, including open
Dynamic, stopping, speed governing etc..The rated voltage of first motor M1 and the second motor M2 are 220V or 380V.
The circuit diagram of the electrical equipment Anti-electricity dazzling device of Fig. 2 display present invention.Element in the circuit that Fig. 2 is shown and line
Road is not shown in Fig. 1 in addition to UF1.The circuit of electrical equipment Anti-electricity dazzling device includes DC circuit module and alternating current circuit
Module.
The control electricity of the access of alternating current circuit module the first control frequency converter UF1 (i.e. UF1 in Fig. 1), connection first motor M1
Road, to realize the control to electrical equipment.Such as, the startup, shutdown, rotating speed of electrical equipment (being feeder in the present embodiment) are controlled
Adjust etc..Alternating current circuit module is connected with electrical equipment input circuit, and firewire L corresponds to the firewire L in Fig. 1 in Fig. 2；In Fig. 2
Zero curve N in zero curve N corresponding diagrams 1.It is provided with breaker K on firewire L lines, for controlling first control circuit frequency converter UF1
Access and disconnection.
DC circuit module includes the relay of multiple parallel connections, further includes a direct current source component P.DC power supply component P
It is respectively connected to DC circuit module and alternating current circuit module simultaneously.In the present embodiment, DC circuit module includes a direct current
Source component P and three relays in parallel, the first relay K1, the second relay K2 and third relay K3.Second relay
(dotted portion, is not shown in figure one second control frequency converter UF2 of series connection K2 and third relay K3 in Fig. 2, and structure can join jointly
Examine Fig. 3).The control circuit of first motor M1 is separately accessed (in Fig. 1 and Fig. 2 in second control frequency converter UF2 vulnerabilities scans part
It does not show).Branch road is provided with switch SA where first relay K1, and branch road where third relay is provided with and the second control
The protection switch SB of frequency converter UF2 parallel connections processed.
Wherein DC power supply component P is respectively turned on DC circuit module and alternating current circuit module.DC power supply component P includes
One DC power supply and a measure voltage ＆ current control device (not shown).Voltage and current detecting device can include at least one
Controller and a detection module.Controller is powered by the DC power supply in DC power supply component P, receives the number that detection module is sent
Word signal, and according to digital signal to breaker K, the first relay K1, the second relay K2, third relay K3 and direct current
Power supply sends control signal.Detection module connects alternating current circuit firewire L and zero curve N, to be carried out to voltage and current in alternating current circuit
Detection, and testing result can be converted to digital signal and be sent to controller.
In some embodiments, it can not also include DC power supply in DC power supply component P, and include a dc switch.
In this case, it is powered from external DC power supply to controller, controller controls dc switch, is connect when needing DC Module
Fashionable, control dc switch is closed, and external DC power supply access circuit is powered.
In some embodiments, controller can be microcontroller, and detection module can be digital voltmeter/intelligent voltage
Table.Those skilled in the art can select other equipment/elements, the utility model to be not limited thereto according to actual conditions.
Measure voltage ＆ current control device detects the voltage and current in alternating current circuit, when voltage instability, controls breaker K
It disconnects, the first control frequency converter UF1 power-off, electrical equipment (mainly first motor M1) changes to be connect by the second control frequency converter UF2
Enter control；When alternating-voltage stabilization, control breaker K is closed, and the first control frequency converter UF1 is accessed again, is restored to electrical
The control of equipment.
First control frequency converter UF1 can also be in series with one frequency converter relay KUF and in parallel with the relay finger
Show meter HL1.Indicating gage HL1, which can be voltmeter or ammeter or indicator light, those skilled in the art, to be selected according to actual needs
It selects.
In some embodiments, the first control frequency converter UF1 can be ATV312 frequency converters.
In some embodiments, the DC power supply in DC power supply component is 24V power supplys, typically large capacity electric power storage
Pond.Relay in parallel is 24V relays in DC circuit module.Certainly, those skilled in the art also can be according to actual needs
Select the power supply and relay of other specified amounts.
By the first control frequency converter UF1 connections electrical equipment (it is mainly first motor when normal operation in practical application
M1 control circuit).When voltage disturbance occurs to shake electrical phenomena, the measure voltage ＆ current control device in DC power supply component P
Detect that voltage disturbance, control breaker K disconnect, the first control frequency converter UF1 AC power supply terminates, and electrical equipment changes at this time
To use DC circuit module to control, the control circuit of electrical equipment is accessed by the second control frequency converter UF2.When voltage is normal
Afterwards, the measure voltage ＆ current control device in DC power supply component P detects alternating current circuit voltage stabilization, control breaker K weights
New to be closed, control circuit alternating current circuit module accesses again, and electrical equipment is connected in the first control frequency converter UF1 restartings
Control circuit.Electrical equipment is controlled by control circuit alternating current circuit module and is run again.Setting in this way, so as to protect
Hinder electrical equipment normal operation when voltage disturbance occurs, avoid that load shedding and stopping accident occurs, ensures that the safety of equipment is steady
Fixed operation.
In addition, in DC circuit module, the switch SA of the branch road of the first relay K1 is by remote control.In some realities
Apply in example, or control on the spot, those skilled in the art can select according to actual needs, may be set to be it is long-range/on the spot
Dual control.Branch where first relay K1 is voltage detecting/extension wire.When DC circuit module is run, by direct current
Measure voltage ＆ current control device control K1 in source component P first connects primary voltage detection circuit (SA is normally closed), determines circuit
After middle voltage reaches rated operational voltage, measure voltage ＆ current control device control K1 disconnect branch line connection, and control third after
Electric appliance K3 branches are connected or the conducting of the second relay K2 branches.
The second control frequency converter of second relay K2 and third relay K3 series connection UF2, the second control frequency converter UF2 and the
Another switch SB of branch road is parallel connection where three relay K3.That is, in the case of normal power-up, third relay K3 and
Branch where two control frequency converter UF2 is connected when normal, and switch SB is the protection switch of the second control frequency converter UF2.When third after
When short circuit/open circuit occurs for branch where electric appliance K3, the measure voltage ＆ current control device in DC power supply component P detects voltage
Curent change, branch where control relay K3 disconnect, the second control of circuit access frequency converter UF2 where the second relay K2,
Ensure the second control frequency converter UF2 normal works.
It will be understood by those skilled in the art that the situation described in above-described embodiment, the case where being two-phase alternating current.This practicality
Novel provided electrical equipment anti-shake controller for electric consumption can also be applied to three-phase circuit, specific implementation situation this field skill
Art personnel can adjust according to actual conditions, and it will not go into details to this for the utility model.
Pass through the narration of above-described embodiment, it is believed that those skilled in the art could be aware that the utility model passes through such as this reality
It is arranged with novel circuit, when occurring to shake electric situation, control circuit can be controlled by alternating current circuit and be transferred to DC circuit control, wait for electricity
Alternating current circuit accesses control again after pressure is stablized, and whole process keeps frequency converter continue working, reduces and load shedding and shutdown occurs
The case where accident, to ensure electrical equipment unit safety stable operation.
It is one embodiment of electrical equipment anti-shake controller for electric consumption provided by the present invention above, passes through saying for embodiment
It is bright, it is believed that those skilled in the art can understand technical scheme of the present invention and its operation principles.However it these are only the present invention
Preferred embodiment, not the present invention is limited.Those skilled in the art can be according to actual demand to provided by the present invention
Technical solution is appropriately modified, and makes an amendment and equivalent transformation is all without departing from scope of the present invention.The present invention
Interest field claimed, when being subject to appended claims.
Claims (9)
1. a kind of electrical equipment anti-shake controller for electric consumption, which is characterized in that including DC circuit module and alternating current circuit module；
The alternating current circuit module access has one first control frequency converter, connects the control circuit of electrical equipment；The alternating current
A breaker is provided in the module of road；
The DC circuit module includes the relay and one second control frequency converter of multiple parallel connections；The DC circuit module
Further include a direct current source component, is respectively turned on the alternating current circuit module and the DC circuit module；The DC power supply
Component includes at least a measure voltage ＆ current control device and a DC power supply.
2. electrical equipment anti-shake controller for electric consumption as described in claim 1, which is characterized in that the DC circuit module includes
First relay, the second relay and third relay, first relay, second relay and the third relay
Device is parallel to the DC power supply component；Second relay and the third relay connect jointly it is described second control become
Frequency device.
3. electrical equipment anti-shake controller for electric consumption as claimed in claim 2, which is characterized in where first relay
Branch road is provided with switch；Branch road where the third relay is provided with switch.
4. electrical equipment anti-shake controller for electric consumption as claimed in claim 2, which is characterized in that the first control frequency converter is also
It is in series with a frequency converter relay；It is additionally provided with an indicating gage in parallel with the frequency converter relay.
5. electrical equipment anti-shake controller for electric consumption as described in claim 1, which is characterized in that described first, which controls frequency converter, is
ATV312 frequency converters.
6. electrical equipment anti-shake controller for electric consumption as described in claim 1, which is characterized in that the alternating current circuit module is
220V circuits.
7. electrical equipment anti-shake controller for electric consumption as described in claim 1, which is characterized in that the DC circuit module is
24V circuits.
8. electrical equipment anti-shake controller for electric consumption as described in claim 1, which is characterized in that the DC power supply is external electricity
Source or accumulator.
9. electrical equipment anti-shake controller for electric consumption as claimed in claim 2, which is characterized in that the measure voltage ＆ current control
Device includes at least a controller and a detection module；The controller is powered by the DC power supply, receives the detection mould
The digital signal that block is sent, and according to digital signal to the breaker, first relay, second relay, institute
It states third relay and DC power supply sends control signal；Detection module connects the firewire L and zero curve N of alternating current circuit module,
To be detected to voltage and current in alternating current circuit, and testing result can be converted to digital signal and be sent to controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820260655.6U CN207884269U (en) | 2018-02-14 | 2018-02-14 | A kind of electrical equipment anti-shake controller for electric consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820260655.6U CN207884269U (en) | 2018-02-14 | 2018-02-14 | A kind of electrical equipment anti-shake controller for electric consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207884269U true CN207884269U (en) | 2018-09-18 |
Family
ID=63498309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820260655.6U Expired - Fee Related CN207884269U (en) | 2018-02-14 | 2018-02-14 | A kind of electrical equipment anti-shake controller for electric consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207884269U (en) |
-
2018
- 2018-02-14 CN CN201820260655.6U patent/CN207884269U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180918 Termination date: 20200214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |