CN207801569U - A kind of power supply rapid switching device - Google Patents
A kind of power supply rapid switching device Download PDFInfo
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- CN207801569U CN207801569U CN201820137819.6U CN201820137819U CN207801569U CN 207801569 U CN207801569 U CN 207801569U CN 201820137819 U CN201820137819 U CN 201820137819U CN 207801569 U CN207801569 U CN 207801569U
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- circuit
- power supply
- switch
- switching device
- detection
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Abstract
The utility model discloses a kind of power supply rapid switching device, 2 road industrial-frequency alternating currents, to static switch is switched, control switching output by static switch, additionally include main control unit, detection unit through input terminal.Detection unit is switched by main control unit intelligent control static switch and is exported by detecting input exchange signal and being sent to main control unit.It is fast that the utility model can meet switch speed, switches nonarcing requirement.
Description
Technical field
The utility model is related to power supply handoff technique fields, and in particular, to a kind of power supply rapid switching device.
Background technology
The case where double-power supply switching device due to power outage all the way dedicated for being switched to another way power supply power supply.
The development of current era power supply product has been obtained for certain development and changes, but there are problems that：It cuts
Throw-over degree is slow, cannot meet the requirement of successive load；Mechanical contact switching has spark, causes to load unstable, and short life.Hold
The influence of easy being hit property load.The Electro Magnetic Compatibility of itself is poor simultaneously, is interfered in terms of radiating and conducting two other
Host is generated and is greatly threatened.In addition volume is big, noise is especially big, fever is severe.
Utility model content
The purpose of this utility model is that in view of the above-mentioned problems, a kind of power supply rapid switching device is proposed, with ultrafast
Switch speed, the requirement of all high precision loads can be suitble to.
To achieve the above object, the technical solution adopted in the utility model is：A kind of power supply rapid switching device, it is main to wrap
It includes：
Switching circuit, control circuit and detection circuit, main input L are electric with switching circuit and detection respectively by switch Q1
Road connects, and main input N is connect with switching circuit and detection circuit respectively；Spare input L is electric with switching respectively by switch Q2
Road is connected with detection circuit, and spare input N is connect with switching circuit and detection circuit respectively；The switching circuit and detection circuit
It is connect with control unit；
The detection circuit, to output after the electric signal isolation detection of input to control circuit；
The control circuit, the electric signal of receiving test circuit output control signal to switching according to the electric signal output
Circuit；
The switching circuit, including static switch switch static switch according to control signal.
Further, the static switch is contactless static switch.
Further, the detection circuit includes isolating transformer, to the signal isolation of input.
Further, detection unit further includes the first dsPIC digitial controllers, and the dsPIC digitial controllers are to input
The frequency and amplitude of voltage are detected.
Further, the control circuit includes the 2nd dsPIC digitial controllers, and the dsPIC digitial controllers use
DSP sends out control signal.
Further, the control circuit further includes output circuit, draws exchange.
Further, the bottom of the shell is provided with rubber base plate.
The power supply rapid switching device of various embodiments of the utility model, 2 road industrial-frequency alternating currents are quiet to switching through input terminal
State switchs, and controls switching output by static switch, additionally includes main control unit, detection unit.Detection unit is defeated by detecting
Enter AC signal and be sent to main control unit, is switched by main control unit intelligent control static switch and exported.The utility model can expire
Sufficient switch speed is fast, switches nonarcing requirement.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the power supply rapid switching device structural schematic diagram described in the utility model embodiment.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment one：
In conjunction with Fig. 1, apparatus for fast switching, 2 road industrial-frequency alternating currents through input terminal to static switch is switched, by static switch
Control switching output, additionally includes main control unit, detection unit.Detection unit is by detecting input exchange signal and being sent to
Main control unit is switched by main control unit intelligent control static switch and is exported.It is fast that the utility model can meet switch speed, switches nothing
The requirement of spark.
The circuit of shell and setting inside the shell is specifically included,
Wherein, circuit includes switch unit, control unit, detection unit, and the main input L/N is single with switching by Q1
Member is connected, and spare input is connected by Q2 with switch unit, and main input is connected by Q1 with detection unit, and spare input is passed through
Q2 is connected with detection unit, and detection unit signal is sent to control unit, and control unit drive signal transfers to switch unit, defeated
Go out unit side and draws exchange output.Detection unit is detected by the signal isolation that isolating transformer carries out, and is detected in real time using AD
Technology detects the frequency and amplitude of input voltage, and will send control section to after detection signal processing.Controller uses DSP
Operation quickly handles data, and sends out control instruction.Finally control static switch is switched fast.Static switch is switched to
Using contactless static switch, speed is fast, no-spark.
Embodiment two：
Switching circuit has used static switch switching, therefore no-spark, switch speed are fast；
Embodiment three：
Detection unit is sampled using transformer isolation, strong antijamming capability, safe；The dsPIC digitial controllers
The frequency and amplitude of input voltage are detected using the real-time detection techniques of AD
Example IV：
Control circuit uses advanced DSPIC Digital Circuit Controls, can meet service condition faster, the speed of service is remote
It is controlled far above analog circuit, and using microprocessor, operation quickly handles data, and sends out control instruction；
Embodiment five：
Robot base is equipped with rubber base plate, can effectively eliminate electronic dining car and jolt caused by flowing, machine both sides dress
There is embedded handle, machine is facilitated to move and safeguard
Following advantageous effect can at least be reached：It is fast that the utility model can meet switch speed, switches nonarcing requirement.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of power supply rapid switching device, including shell and the circuit that is set in shell, which is characterized in that including switching electricity
Road, control circuit and detection circuit, main input L are connect with switching circuit and detection circuit respectively by switch Q1, and main road is defeated
Enter N to connect with switching circuit and detection circuit respectively；Spare input L is connected with switching circuit and detection circuit respectively by switch Q2
It connects, spare input N is connect with switching circuit and detection circuit respectively；The switching circuit and detection circuit connect with control unit
It connects；
The detection circuit, to output after the electric signal isolation detection of input to control circuit；
The control circuit, the electric signal of receiving test circuit output control signal to switching circuit according to the electric signal output；
The switching circuit, including static switch switch static switch according to control signal.
2. power supply rapid switching device according to claim 1, which is characterized in that the static switch is contactless static state
Switch.
3. power supply rapid switching device according to claim 2, which is characterized in that the detection circuit includes isolation transformation
Device, to the signal isolation of input.
4. power supply rapid switching device according to claim 3, which is characterized in that detection unit further includes the first dsPIC
Digitial controller, the dsPIC digitial controllers are detected the frequency and amplitude of input voltage.
5. power supply rapid switching device according to claim 4, which is characterized in that the control circuit includes second
DsPIC digitial controllers, the dsPIC digitial controllers send out control signal using DSP.
6. power supply rapid switching device according to claim 5, which is characterized in that the control circuit further includes output electricity
Exchange is drawn on road.
7. power supply rapid switching device according to claim 6, which is characterized in that the bottom of the shell is provided with rubber
Pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820137819.6U CN207801569U (en) | 2018-01-26 | 2018-01-26 | A kind of power supply rapid switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820137819.6U CN207801569U (en) | 2018-01-26 | 2018-01-26 | A kind of power supply rapid switching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207801569U true CN207801569U (en) | 2018-08-31 |
Family
ID=63270863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820137819.6U Active CN207801569U (en) | 2018-01-26 | 2018-01-26 | A kind of power supply rapid switching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207801569U (en) |
-
2018
- 2018-01-26 CN CN201820137819.6U patent/CN207801569U/en active Active
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