CN208433742U - A kind of anti-shake electric installation, electric power supply control system and power supply system - Google Patents
A kind of anti-shake electric installation, electric power supply control system and power supply system Download PDFInfo
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- CN208433742U CN208433742U CN201820875099.3U CN201820875099U CN208433742U CN 208433742 U CN208433742 U CN 208433742U CN 201820875099 U CN201820875099 U CN 201820875099U CN 208433742 U CN208433742 U CN 208433742U
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- power supply
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Abstract
The utility model embodiment discloses a kind of anti-shake electric installation, electric power supply control system and power supply system, the anti-shake electric installation, comprising: control module, the first power supply module and the second power supply module；Whether control module, the power supply for detecting electrical equipment occur to shake electricity；It is also used to when power supply does not shake electricity, the first power supply module of control is the coil power supply of contactor；It is also used to switch to the coil power supply that the second power supply module is contactor when power supply occurs to shake electricity；The normally opened contact of contactor is connected in the circuit between power supply and electrical equipment；First power supply module, for the coil continued power for contactor；Second power supply module provides the electric energy of preset time period for the coil for contactor.Contactor not will disconnect in a short time when the anti-shake electric installation can guarantee to shake electricity, avoids shaking a large amount of electrical equipments caused by electricity in short-term and occurs the case where stopping or tripping in a short time.
Description
Technical field
The utility model relates to power electronics field more particularly to a kind of anti-shake electric installation, electric power supply control system and
Power supply system.
Background technique
Shake caused by electricity refers to because of lightning stroke, short circuit or other reasons the fluctuation of power grid short time voltage or the phenomenon that short supply interruption.
Power supply system, which generates the fundamental type for shaking electricity, to be had: voltage dip rises sharply, short supply interruption, voltage flicker.Generally, work as power supply system
Voltage effective value be down to 30% of nominal value or more, and when last longer (such as 80-200 milliseconds), will result in electrical
Equipment stops working, or produced product quality is caused to decline.
Currently, commonly using electromagnetic AC contactor to realize the purpose of anti-shake electricity.When power grid occurs shaking electricity, electromagnetic type is handed over
Contactor actuating coil short supply interruption or brownout are flowed, causes to maintain the dynamic and static iron core suction being attracted to be less than release by electric current
The elastic force of spring makes contactor release lead to the problem of electrical equipment tripping grinder.If a large amount of electrical equipments go out in a short time
Existing tripping grinder, then can seriously affect the normal work of production efficiency and electrical equipment, or even cause serious economic loss.
Utility model content
In order to solve prior art problem, the utility model provides a kind of anti-shake electric installation, electric power supply control system and confession
Electric system can prevent a large amount of electrical equipments caused by rolling electricity from occurring the case where stopping or tripping in a short time, realize not
The purpose of interruptedly supplying power.
A kind of anti-shake electric installation provided by the embodiment of the utility model, comprising: control module, the first power supply module and second
Power supply module；
Whether the control module, the power supply for detecting electrical equipment occur to shake electricity；It is also used in the power supply
When power supply does not shake electricity, the coil power supply that first power supply module is contactor is controlled；It is also used in the power supply
When occurring to shake electricity, the coil power supply that second power supply module is the contactor is switched to；
The normally opened contact of the contactor is connected in the circuit between the power supply and the electrical equipment；
First power supply module, for the coil continued power for the contactor；
Second power supply module, for providing the electric energy of preset time period for the coil of the contactor.
Optionally, first power supply module, comprising: driving power and first switch；
The driving power is the coil power supply of the contactor through the first switch；
The control module is connected specifically for when the power supply does not shake electricity, controlling the first switch
Access between the driving power and the contactor coil；It is also used to control institute when the power supply occurs to shake electricity
It states first switch and disconnects access between the driving power and the contactor coil.
Optionally, second power supply module, comprising: energy-storage travelling wave tube and second switch；
The energy-storage travelling wave tube is the coil power supply of the contactor through the second switch；
The control module is specifically used for when the power supply occurs to shake electricity, controls second switch conducting institute
State the access between energy-storage travelling wave tube and the contactor coil.
Optionally, the energy-storage travelling wave tube is capacitor.
Optionally, the preset time period is 1-2 seconds.
A kind of electric power supply control system provided by the embodiment of the utility model, the anti-shake electric installation provided including such as above content
In any one；The system further include: low-voltage control circuit；
The low-voltage control circuit includes the contactor, for controlling between the electrical equipment and the power supply
The turn-on and turn-off in circuit.
Optionally, the low-voltage control circuit further includes trip switch, switch and electrothermal relay with self-locking closing function
In it is any one or more；
The trip switch, the switch of the self-locking closing function of the band and the electrothermal relay are connected on the power supply electricity
In circuit between source and the electrical equipment.
The utility model embodiment additionally provides a kind of power supply system, the electric power supply control system provided including such as above content
In any one；The power supply system further includes；Power supply.
Normally opened contact of the power supply through the contactor is at least one power electrical apparatus.
Compared with prior art, the utility model at least has the following advantages:
In the utility model embodiment, when the power supply of electrical equipment is normal, control module utilizes the first power supply
Module is contactor coil power supply, maintains the normal work of electrical equipment.And when power supply occurs to shake electricity, control module turns
By being contactor coil power supply using the second power supply module, contactor not will disconnect in a short time when can guarantee to shake electricity, electricity
The available transient state transition of the power supply system of gas equipment, contactor will not disconnect immediately when shaking electricity, avoid shaking caused by electricity in short-term
There is the case where stopping or trip in a short time in a large amount of electrical equipments, and realization electrical equipment is from power interruptions to restoring electricity
Restart function.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of structural schematic diagram of anti-shake electric installation provided by the utility model；
Fig. 2 is the structural schematic diagram of the anti-shake electric installation of another kind provided by the utility model；
Fig. 3 is a kind of structural schematic diagram of power supply system provided by the utility model；
Fig. 4 is the structural schematic diagram of another power supply system provided by the utility model.
Specific embodiment
In order to make those skilled in the art better understand the scheme of the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that described
Embodiment is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this reality
With novel protected range.
Currently, commonly using electromagnetic AC contactor to realize the purpose of anti-shake electricity.When power grid occurs shaking electricity, electromagnetic type is handed over
Contactor actuating coil short supply interruption or brownout are flowed, causes to maintain the dynamic and static iron core suction being attracted to be less than release by electric current
The elastic force of spring discharges contactor so that the problem of tripping grinder occurs for electrical equipment power-off.If a large amount of electrical equipments are short
Occur tripping grinder in time, then can seriously affect the normal work of production efficiency and electrical equipment, or even causes serious warp
Ji loss.Especially power grid temporarily falls or disappears but restore caused contactor release, a large amount of electrical equipments in the short time
Occur unnecessary tripping grinder in a short time, seriously affects normal production work.
For this purpose, anti-shake electric installation, electric power supply control system and power supply system provided by the embodiment of the utility model, by supplying
Electric system source side or load side implement anti-shake power technology, power supply system supply voltage temporarily fall or Disappearance Scenarios under,
It is contactor short-duration power by backup power source, prevents a large amount of electrical equipments from stopping (generally within one second) in a short time
Or the problem of tripping, realize the purpose of uninterrupted power supply.
Based on above-mentioned thought, to keep the above objects, features, and advantages of the utility model embodiment more obvious easily
Understand, specific embodiment of the present utility model is described in detail with reference to the accompanying drawing.
Referring to Fig. 1, which is a kind of structural schematic diagram of anti-shake electric installation provided by the embodiment of the utility model.
Anti-shake electric installation provided in this embodiment, comprising: control module 100, the first power supply module 200 and the second power supply
Module 300.
Whether control module 100, the power supply Vsup for detecting electrical equipment occur to shake electricity.
In the present embodiment, control module 100 can use the voltage of voltage acquisition device acquisition power supply Vsup,
And it is detected according to the fluctuation of voltage to whether power supply Vsup occurs rolling electricity.Specific electricity judgment criteria of shaking can be confession
The voltage effective value of power supply Vsup is down to 30% of nominal value or more, and the duration be 80 milliseconds or more (such as 80~
200ms), the present embodiment is not specifically limited in this embodiment.
Control module 100 is also used to when power supply Vsup does not shake electricity, and the first power supply module 200 of control is to connect
The coil power supply of tentaculum KM；When power supply Vsup occurs to shake electricity, the line that the second power supply module 300 is contactor KM is switched to
Circle power supply.The normally opened contact of contactor KM is connected in the circuit between power supply Vsup and electrical equipment.
First power supply module 200, for the coil continued power for contactor KM；
Second power supply module 300, for providing the electric energy of preset time period for the coil of contactor KM.
When power supply, which does not shake electricity, to be operated normally, it is contact that control module 100, which controls the first power supply module 200,
The coil continued power of device KM.The coil of contactor KM obtains electric normally opened contact closure, between power supply Vsup and electrical equipment
Circuit conducting, make the normal charging operation of electrical equipment.And when power supply Vsup occurs to shake electricity, control module 100 switches
The electric energy of short time (i.e. preset time period) is provided for the coil of contactor KM to using the second power supply module 300, in order to avoid power supply
Electrical equipment still trips and stops since contactor discharges when power supply Vsup can restore in a short time.In preset time period
Interior, if power supply Vsup does not restore normally, the electric energy in the second power supply module 300 is depleted the deactivation coil of rear contactor KM
Electricity, the normally opened contact release of contactor KM, so that the current supply circuit between power supply Vsup and electrical equipment disconnects, avoids growing
Damage of the electric voltage exception of time to electrical equipment guarantees the safe and stable operation of electrical equipment.
It in practical applications, can be according to the duration for needing to power to the second control module 300 be actually controlled, i.e., in advance
If the period is specifically set, for example, preset time period can from 1-2 seconds any value.
In the present embodiment, when the power supply of electrical equipment is normal, control module is to connect using the first power supply module
Tentaculum coil power supply maintains the normal work of electrical equipment.And when power supply occurs to shake electricity, control module turns by utilizing the
Two power supply modules are contactor coil power supply, and contactor not will disconnect in a short time when can guarantee to shake electricity, electrical equipment
The available transient state transition of power supply system, contactor will not disconnect immediately when shaking electricity, avoid shaking in short-term a large amount of electrical caused by electricity
There is the case where stopping or tripping in a short time in equipment, realizes that electrical equipment restarts function from power interruptions to what is restored electricity
Energy.
Referring to fig. 2, which is the structural schematic diagram of the anti-shake electric installation of another kind provided by the embodiment of the utility model.It compares
In Fig. 1, this figure provides a kind of more specifically anti-shake electric installations.
In some possible implementations of the utility model embodiment, the first power supply module be can specifically include: driving
Power supply 201 and first switch 202；
The coil power supply that driving power 201 is contactor KM through first switch 202；
Control module 100, specifically for when power supply Vsup does not shake electricity, the control conducting of first switch 202 is driven
Access between dynamic power supply 201 and the coil of contactor KM；It is also used to when power supply Vsup occurs to shake electricity, control first is opened
Close the access between 202 disconnection driving powers 201 and the coil of contactor KM.
When power supply Vsup does not shake electricity, control module 100 controls first switch 202 and is connected, and makes contactor KM
Coil obtain electric, the normally opened contact of contactor KM closure, power supply Vsup is power electrical apparatus.As power supply Vsup
When occurring to shake electricity, control module 100 controls first switch 202 and disconnects, and disconnects between driving power 201 and the coil of contactor KM
Access, avoid for a long time shake electricity so that electrical equipment is damaged.
In the present embodiment, driving power 201 can be the low-voltage control power in system, such as 12V's or 24V is straight
Galvanic electricity etc., the embodiment of the present application is not specifically limited in this embodiment.Driving power 201 can be the coil continued power of contactor KM,
Guarantee the normally opened contact closure of contactor KM, power supply Vsup is power electrical apparatus, so that the electrical equipment operates normally.
In some possible implementations of the utility model embodiment, with continued reference to Fig. 2, the second power supply module, specifically
It may include: energy-storage travelling wave tube 301 and second switch 302；
The coil power supply that energy-storage travelling wave tube 301 is contactor KM through second switch 302；
Control module 100 is specifically used for when power supply Vsup occurs to shake electricity, and energy storage is connected in control second switch 302
Access between element 301 and the coil of contactor KM.
When power supply Vsup occurs to shake electricity, control module 100 controls second switch 302 and is connected, and makes contactor KM's
Coil obtains electric, and the normally opened contact of contactor KM remains closed, and power supply Vsup is power electrical apparatus.Due to energy-storage travelling wave tube
The limited energy stored in 301, be only capable of the short time be kept in contact device KM normally opened contact closure, make the normally-closed contact of contactor KM
It will not disconnect immediately, can avoiding electrical equipment when the short time shaking electric situation, there is a situation where tripping grinders.In practical application
In, energy-storage travelling wave tube 301 can be capacitor, and the structure and capacitance of capacitor can specifically be chosen according to actual needs, the present embodiment pair
This is not specifically limited.
In some possible implementations, control module 100 can also be energy-storage travelling wave tube using driving power 201
301 chargings.
The anti-shake electric installation provided based on the above embodiment, the utility model embodiment additionally provide a kind of power supply control system
System.
Referring to Fig. 3, which is a kind of structural schematic diagram of power supply system provided by the embodiment of the utility model.
Electric power supply control system provided in this embodiment, comprising: anti-shake electric installation 10 and low-voltage control circuit 20.
In the present embodiment, anti-shake electric installation 10 can be any one anti-shake electric installation of above content offer, in detail
Illustrate which is not described herein again referring to above-mentioned related content.
Low-voltage control circuit 20 includes contactor KM, for controlling circuit between electrical equipment and power supply Vsup
Turn-on and turn-off.
As an example, the normally opened contact of contactor KM can be connected between electrical equipment and power supply Vsup
Between current supply circuit, anti-shake 10 control contactor KM coil of electric installation obtains electric and power loss.
In some possible implementations of the utility model embodiment, low-voltage control circuit 10 can also include tripping
It is any one or more in switch TS, switch KS and electrothermal relay FR with self-locking closing function, it is electrical to be further ensured that
The Electrical Safety of equipment.
In one example, as shown in figure 4, trip switch TS, switch KS and electrothermal relay FR with self-locking closing function
It is connected in the circuit between power supply Vsup and electrical equipment.
In the present embodiment, when the power supply of electrical equipment is normal, control module is to connect using the first power supply module
Tentaculum coil power supply maintains the normal work of electrical equipment.And when power supply occurs to shake electricity, control module turns by utilizing the
Two power supply modules are contactor coil power supply, and contactor not will disconnect in a short time when can guarantee to shake electricity, electrical equipment
The available transient state transition of power supply system, contactor will not disconnect immediately when shaking electricity, avoid shaking in short-term a large amount of electrical caused by electricity
There is the case where stopping or tripping in a short time in equipment, realizes that electrical equipment restarts function from power interruptions to what is restored electricity
Energy.
The anti-shake electric installation and electric power supply control system provided based on the above embodiment, the utility model embodiment additionally provide
A kind of power supply system.The power supply system includes any one electric power supply control system and power supply provided such as above content；It should
Normally opened contact of the power supply through contactor is at least one power electrical apparatus.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation.Although the utility model has been disclosed with preferred embodiment as above, it is not intended to limit the utility model.It is any ripe
Those skilled in the art is known, in the case where not departing from technical solutions of the utility model ambit, all using the side of the disclosure above
Method and technology contents make many possible changes and modifications to technical solutions of the utility model, or be revised as equivalent variations etc.
Imitate embodiment.Therefore, all contents without departing from technical solutions of the utility model, according to the technical essence of the utility model to
Any simple modifications, equivalents, and modifications that upper embodiment is done still fall within the model of technical solutions of the utility model protection
In enclosing.
Claims (8)
1. a kind of anti-shake electric installation characterized by comprising control module, the first power supply module and the second power supply module；
Whether the control module, the power supply for detecting electrical equipment occur to shake electricity；It is also used in the power supply
When not shaking electricity, the coil power supply that first power supply module is contactor is controlled；It is also used to occur in the power supply
When shaking electricity, the coil power supply that second power supply module is the contactor is switched to；
The normally opened contact of the contactor is connected in the circuit between the power supply and the electrical equipment；
First power supply module, for the coil continued power for the contactor；
Second power supply module, for providing the electric energy of preset time period for the coil of the contactor.
2. the apparatus according to claim 1, which is characterized in that first power supply module, comprising: driving power and first
Switch；
The driving power is the coil power supply of the contactor through the first switch；
The control module, specifically for when the power supply does not shake electricity, controlling described in the first switch conducting
Access between driving power and the contactor coil；It is also used to control described the when the power supply occurs to shake electricity
One switch disconnects the access between the driving power and the contactor coil.
3. device according to claim 1 or 2, which is characterized in that second power supply module, comprising: energy-storage travelling wave tube and
Second switch；
The energy-storage travelling wave tube is the coil power supply of the contactor through the second switch；
The control module is specifically used for controlling the second switch when the power supply occurs to shake electricity and the storage being connected
Access between energy element and the contactor coil.
4. device according to claim 3, which is characterized in that the energy-storage travelling wave tube is capacitor.
5. device according to claim 1 or 2, which is characterized in that the preset time period is 1-2 seconds.
6. a kind of electric power supply control system, which is characterized in that including the anti-shake electric installation as described in claim 1-5 any one；
The system further include: low-voltage control circuit；
The low-voltage control circuit includes the contactor, for controlling circuit between the electrical equipment and the power supply
Turn-on and turn-off.
7. system according to claim 6, which is characterized in that the low-voltage control circuit further includes trip switch, with certainly
It locks any one or more in the switch and electrothermal relay of closing function；
The trip switch, the switch of the self-locking closing function of the band and the electrothermal relay be connected on the power supply and
In circuit between the electrical equipment.
8. a kind of power supply system, which is characterized in that including the electric power supply control system as described in claim 6-7 any one；It should
Power supply system further includes；Power supply；
Normally opened contact of the power supply through the contactor is at least one power electrical apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820875099.3U CN208433742U (en) | 2018-06-04 | 2018-06-04 | A kind of anti-shake electric installation, electric power supply control system and power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820875099.3U CN208433742U (en) | 2018-06-04 | 2018-06-04 | A kind of anti-shake electric installation, electric power supply control system and power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208433742U true CN208433742U (en) | 2019-01-25 |
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ID=65101561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820875099.3U Active CN208433742U (en) | 2018-06-04 | 2018-06-04 | A kind of anti-shake electric installation, electric power supply control system and power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208433742U (en) |
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2018
- 2018-06-04 CN CN201820875099.3U patent/CN208433742U/en active Active
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