CN208596967U - A kind of single fire switch and its power switching device - Google Patents
A kind of single fire switch and its power switching device Download PDFInfo
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- CN208596967U CN208596967U CN201821399042.7U CN201821399042U CN208596967U CN 208596967 U CN208596967 U CN 208596967U CN 201821399042 U CN201821399042 U CN 201821399042U CN 208596967 U CN208596967 U CN 208596967U
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Abstract
The utility model discloses a kind of single fire switch and its power switching devices, belong to intelligent switch field.Described device, comprising: first switch circuit, second switch circuit, power switching circuit, in which: the first switch circuit, by mains-supplied, including relay and relay drive circuit；The second switch circuit, is battery powered, including silicon-controlled and controllable silicon drive circuit, the both ends of relay described in the silicon-controlled both ends parallel connection；The power switching circuit, it is separately connected the relay drive circuit and the controllable silicon drive circuit, for the closed state according to relay by the second switch circuit being battery powered and by switching between the first switch circuit of mains-supplied.By the utility model embodiment, power consumption when power supply circuit switches to internal battery can be reduced, the service life of battery is improved.
Description
Technical field
The utility model relates to field of switches, in particular to a kind of single fire switch and its power switching device.
Background technique
In intelligent single live wire switch, lead to there are leakage current due to firewire that load lamp flashes or glimmer is asked in closed state
Internal battery power supply is usually used in the related art to solve this problem in topic.
In the related art, being supported on when switching switch state for intelligent single live wire switch can generate bigger power consumption,
Calculated by taking a 12V voltage loads as an example, when switch state can generate the power consumption of about 400mW, duration 10ms, power consumption electricity
In the state that stream is about 33mA, is converted into 3.3V power voltage supply, and power conversion efficiency is ideal 100%, power consumption electric current is about
For 121mA.
For common button cell, charge capacity is generally in 250mAh or so, for common lithium battery pack, electric power storage
Amount is generally 2200mAh or so.In the related art, electric current consumed by each switching state is loaded as battery power consumption
A big power consumption point so that intelligent single live wire switch the internal battery service life quickly shorten.
Thus, it is necessary to a kind of new scheme be proposed, to solve the consumption of the internal battery of the above intelligent single live wire switch
Problem.
Utility model content
In view of this, the utility model embodiment provides a kind of single fire switch and its power switching device, confession can be reduced
To the power consumption of internal battery when circuit switches, the service life of battery is improved.
It is as follows that the utility model solves technical solution used by above-mentioned technical problem:
One aspect according to the present utility model, a kind of power switching device provided, comprising: first switch circuit,
Two switching circuits, power switching circuit, in which:
The first switch circuit, by mains-supplied, including relay and relay drive circuit；
The second switch circuit, is battery powered, including silicon-controlled and controllable silicon drive circuit, and described silicon-controlled two
Hold the both ends of relay described in parallel connection；
The power switching circuit, is separately connected the relay drive circuit and the controllable silicon drive circuit, is used for
According to the closed state of relay by the second switch circuit being battery powered and by the first switch of mains-supplied
It is switched between circuit.
In a possible design, the power switching circuit is being battery powered according to the closed state of relay
The second switch circuit and by being switched between the first switch circuit of mains-supplied, comprising: when the relay
When driving circuit drives relay closure, the power switching circuit cuts the second switch circuit being battery powered
Change to the first switch circuit by mains-supplied；When the relay drive circuit drives the relay to disconnect, institute
The second switch electricity being battery powered will be switched to by the first switch circuit of mains-supplied by stating power switching circuit
Road.
Other side according to the present utility model, a kind of single fire switch provided, comprising: load, alternating current power-supply circuit,
Battery feed circuit, first switch circuit, second switch circuit, power switching circuit；Wherein:
The load, first switch circuit form the first conductive path；The load, second switch circuit form second and lead
Electric pathway；
The both ends of first switch circuit described in the both ends parallel connection of the second switch circuit；
The alternating current power-supply circuit, for taken from alternating current electricity and by output voltage convert to the first switch circuit
Voltage matches；
The power switching circuit is separately connected the alternating current power-supply circuit and the battery feed circuit, is used for basis
The voltage of the alternating current power-supply circuit drives the first switch circuit conducting, by what is conducted by battery feed circuit confession
Second conductive path is switched to first conductive path be connected by mains-supplied.
In a possible design, single fire switch still further comprises voltage sample circuit, the voltage sampling
It is electrically connected between the alternating current power-supply circuit and the power switching circuit, is surveyed for being sampled from the alternating current power-supply circuit
Whether examination voltage matches with the first switch circuit voltage, if it matches, then exporting to the power switching circuit.
In a possible design, the alternating current power-supply circuit includes: ac-dc conversion circuit, voltage regulator circuit,
In:
The ac-dc conversion circuit, for being converted to and the first switch circuit mains piezoelectric voltage
The conversion voltage that voltage matches；
The voltage regulator circuit, for the conversion voltage stabilization for passing through the ac-dc conversion circuit conversion to be maintained at
The output voltage to match with the first switch circuit voltage.
In a possible design, the power switching circuit includes power supply input circuit and switching circuit, in which:
The power supply input circuit, for connecting the alternating current power-supply circuit and the battery feed circuit；
The switching circuit, for driving the first switch circuit to be connected according to the voltage of the alternating current power-supply circuit,
It will be switched to for second conductive path conducted by described the first of mains-supplied conducting by the battery feed circuit
Conductive path.
In a possible design, single fire switch still further comprises communication module, for according to the power supply
The electric power thus supplied of switching circuit indicates the switching circuit on and off, and the communication module and the power switching circuit connect
It connects, receives battery power supply or the city of the alternating current power-supply circuit of the battery feed circuit that the power switching circuit provides
Electricity power supply；When the communication module receives the mains-supplied for the alternating current power-supply circuit that the power switching circuit provides, institute
It states power switching circuit and still further comprises reduction voltage circuit, for converting output voltage to the voltage with the communication module
Match.
Compared with the relevant technologies, the utility model embodiment provides a kind of single fire switch and its power switching device, comprising:
First switch circuit, second switch circuit, power switching circuit, in which: the first switch circuit, by mains-supplied, including
Relay and relay drive circuit；The second switch circuit, is battery powered, including silicon-controlled and silicon-controlled driving electricity
Road, the both ends of relay described in the silicon-controlled both ends parallel connection；The power switching circuit, is separately connected the relay
Device driving circuit and the controllable silicon drive circuit, for the closed state according to relay in described second be battery powered
Switching circuit and by being switched between the first switch circuit of mains-supplied.It, can be with by the utility model embodiment
Power consumption when power supply circuit switches to internal battery is reduced, so that the power consumption of internal battery is reduced by 50% or more, improves battery
Service life.
Detailed description of the invention
Fig. 1 provides a kind of structural schematic diagram of power switching device for the utility model embodiment；
Fig. 2 provides a kind of structural schematic diagram of single fire switch for the utility model embodiment；
Fig. 3 is the structural schematic diagram of alternating current power-supply circuit provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of power switching circuit provided by the embodiment of the utility model；
Fig. 5 provides a kind of structural schematic diagram of single fire switch for the utility model embodiment；
Fig. 6 provides a kind of structural schematic diagram of single fire switch for another embodiment of the utility model.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
In order to be clearer and more clear technical problem to be solved in the utility model, technical solution and beneficial effect, with
Under in conjunction with the accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
In subsequent description, it is only using the suffix for indicating such as " module ", " component " or " unit " of element
The explanation for being conducive to the utility model, itself does not have a specific meaning.Therefore, " module ", " component " or " unit " can be with
Mixedly use.
Please refer to Fig. 1.The utility model provides a kind of power switching device, comprising: first switch circuit 20, second switch
Circuit 30, power switching circuit 60, in which:
The first switch circuit 20, by mains-supplied, including relay 201 and relay drive circuit 202；
The second switch circuit 30, is battery powered, including silicon-controlled 301 and controllable silicon drive circuit 302, it is described can
Control the both ends of relay 201 described in the both ends parallel connection of silicon 301；
The power switching circuit 60 is separately connected the relay drive circuit 202 and the controllable silicon drive circuit
302, for the closed state according to relay 201 by the second switch circuit 30 being battery powered and by mains-supplied
It is switched between the first switch circuit 20.
When the relay drive circuit 202 drives the relay 201 to be closed, the power switching circuit 60 will be by
The battery powered second switch circuit 30 is switched to the first switch circuit 20 by mains-supplied；When the relay
When driving circuit 202 drives the relay 201 to disconnect, the power switching circuit 60 will be opened by described the first of mains-supplied
Powered-down road 20 is switched to the second switch circuit 30 being battery powered.
Fig. 2 is please referred to Fig. 4.The utility model provides a kind of single fire switch, including firewire L, load 10, first switch electricity
Road 20, second switch circuit 30, alternating current power-supply circuit 40, power switching circuit 60, battery feed circuit 70, zero curve N；Wherein:
The firewire L, load 10, first switch circuit 20, zero curve N form the first conductive path；The firewire L, load
10, second switch circuit 30, zero curve N form the second conductive path；
The both ends of first switch circuit 20 described in the 30 both ends parallel connection of second switch circuit；
The alternating current power-supply circuit 40, for taking electricity from 220 volts of alternating currents and converting output voltage to described first
The voltage matches of switching circuit 20；
The power switching circuit 60 is separately connected the alternating current power-supply circuit 40 and the battery feed circuit 70, uses
In the voltage according to the alternating current power-supply circuit 40, decide whether that the first switch circuit 20 is driven to be connected, it will be by the electricity
Pond power supply circuit is switched to first conductive path be connected by mains-supplied for second conductive path conducted.When
The spread of voltage of the alternating current power-supply circuit 40 or when not with 20 voltage matches of first switch circuit, continues to keep by institute
Battery feed circuit is stated to be connected for second conductive path conducted；When the alternating current power-supply circuit 40 voltage stabilization and
When with 20 voltage matches of first switch circuit, the first switch circuit 20 is driven to be connected, will be powered electricity by the battery
Road is switched to first conductive path be connected by mains-supplied for second conductive path conducted.
Further, single fire switch still further comprises voltage sample circuit 50, and the voltage sample circuit 50 connects
It connects between the alternating current power-supply circuit 40 and the power switching circuit 60, is surveyed for being sampled from the alternating current power-supply circuit 40
Try voltage whether with 20 voltage matches of first switch circuit, export if matching to the power switching circuit 60.
Further, the output voltage of the alternating current power-supply circuit 40 depends on the input electricity of the first switch circuit 20
Pressure, matches the input voltage of the first switch circuit 20；It include: 401 (ac-dc conversion circuit of AC-DC translation circuit
401), voltage regulator circuit 402, as shown in Figure 3, in which:
The AC-DC translation circuit 401, for being converted to 220 volts of mains piezoelectric voltages and the first switch electricity
The conversion voltage that the voltage on road 20 matches；
The voltage regulator circuit 402 is kept for that will pass through the conversion voltage stabilization that the AC-DC translation circuit 401 is converted
In the output voltage to match with 20 voltage of first switch circuit.
Further, the power switching circuit 60 includes power supply input circuit 601 and switching circuit 602, such as Fig. 4 institute
Show, in which:
The power supply input circuit 601, for connecting the alternating current power-supply circuit 40 (or voltage sample circuit 50) and institute
State battery feed circuit 70, receive the alternating current power-supply circuit 40 (or voltage sample circuit 50) mains-supplied input and it is described
The battery supply input of battery feed circuit 70；
The switching circuit 602, for the voltage according to the alternating current power-supply circuit 40 (or voltage sample circuit 50), certainly
It is fixed that the first switch circuit 20 whether is driven to be connected, it will be logical for second conduction conducted by the battery feed circuit
Road is switched to first conductive path.When the alternating current power-supply circuit 40 (or voltage sample circuit 50) spread of voltage or
When not with 20 voltage matches of first switch circuit, continue to keep supplying conduct described second by the battery feed circuit
Conductive path conducting；When the voltage stabilization of the alternating current power-supply circuit 40 and when with 20 voltage matches of first switch circuit,
It drives the first switch circuit 20 to be closed, will be switched by the battery feed circuit for second conductive path conducted
To first conductive path be connected by mains-supplied.
Preferably, the first switch circuit 20 includes relay 201 and relay drive circuit 202.
Preferably, the second switch circuit 30 includes silicon-controlled 301 and controllable silicon drive circuit 302.
Further, single fire switch still further comprises communication module 80, for according to the power switching circuit
60 electric power thus supplied indicates 30 on and off of second switch circuit, the communication module 80 and the power switching circuit
60 connections, the battery for receiving the battery feed circuit 70 that the power switching circuit 60 provides switching is powered or the alternating current
The mains-supplied of power-supply circuit 40；When the power switching circuit 60 provide switching be the alternating current power-supply circuit 40 alternating current
When power supply, the power switching circuit 60 also further converts output voltage to the voltage matches with the communication module 80,
At this point it is possible to the power switching circuit 60 further comprise a reduction voltage circuit realize or single fire switch into
One step includes a reduction voltage circuit connecting with the power switching circuit 60 to realize.
Single fire switch of the utility model embodiment is powered in rigid starting by the battery feed circuit 70, right
The load 10 carries out conducting progress, is powered at this point, power switching circuit 60 starts the battery feed circuit 70, drives
The second switch circuit 30 starts, the second conductive path for forming firewire L, load 10, second switch circuit 30, zero curve N
Conducting；Meanwhile the alternating current power-supply circuit 40 enters working condition, starting takes electricity from alternating current and establishes burning voltage, the electricity
Pressure sample circuit 50 detect the alternating current power-supply circuit 40 output voltage whether with 20 voltage matches of first switch circuit,
Output drives the power switching circuit 60 to start, the power switching circuit to the power switching circuit 60 if matching
The 60 driving first switch circuits 20 are closed, the first conduction for forming firewire, load 10, first switch circuit 20, zero curve
Access conducting, while the power supply of the battery feed circuit 70 is cut off, the second switch circuit 30 is closed, makes firewire, bear
10, second switch circuit 30 is carried, the second conductive path closing that zero curve is formed, to will be powered by the battery feed circuit 70
Second conductive path formed is switched to first conductive path by the alternating current power-supply circuit 40 for electric forming, no
Battery electric power is consumed again.
The present invention will be further described for explanation and specific embodiment with reference to the accompanying drawing.
Embodiment 1:
Please refer to Fig. 5.In the utility model embodiment, the first switch circuit 20 includes relay 201 and relay
Starting is closed by device driving circuit 202, the relay 201 in 12 volts of voltage；The second switch circuit 30 includes controllable
Silicon 301 and controllable silicon drive circuit 302, the battery feed circuit 70 provide 3.3 volts of voltage, the alternating current power-supply circuit 40
It can provide 12 volts of power supplies under closed states.
The utility model embodiment provides a kind of single fire switch, comprising: firewire, load 10, relay 201, relay drive
Dynamic circuit 202, silicon-controlled 301, controllable silicon drive circuit 302, alternating current power-supply circuit 40, voltage sample circuit 50, power switching
Circuit 60, battery feed circuit 70, zero curve；Wherein:
The firewire, load 10, relay 201, zero curve form the first conductive path；The firewire loads 10, is silicon-controlled
301, zero curve forms the second conductive path；
The both ends of relay 201 described in the silicon-controlled 301 both ends parallel connection；
The alternating current power-supply circuit 40, for taken from 220 volts of alternating currents electricity and by output voltage convert to the relay
The voltage matches of device 201；
The voltage sample circuit 50 is connected between the alternating current power-supply circuit 40 and the power switching circuit 60,
For from the 40 sampling and testing voltage of alternating current power-supply circuit whether with 201 voltage matches of relay, as matching if export
To the power switching circuit 60；
The power switching circuit 60 is separately connected the voltage sample circuit 50 and the battery feed circuit 70, uses
It is exported according to the matching of the voltage sample circuit 50, decides whether that the relay 201 is driven to be closed, make described first to lead
Electric pathway conducting is connected supplying second conductive path conducted to be switched to by the battery feed circuit by mains-supplied
First conductive path.When the output voltage of the voltage sample circuit 50 is unstable or not with 201 electricity of the relay
When pressure matching, continue to keep being connected by the battery feed circuit for second conductive path conducted；When the voltage
The voltage stabilization of the output voltage of sample circuit 50 and when with 201 voltage matches of relay, drives the relay 201 to close
It closes, will be switched to for second conductive path that conducts by described the of mains-supplied conducting by the battery feed circuit
One conductive path.
Further, the output voltage of the alternating current power-supply circuit 40 depends on the input voltage of the relay 201,
Input voltage with the relay 201；It include: AC-DC translation circuit 401 (ac-dc conversion circuit 401), pressure stabilizing electricity
Road 402, in which:
The AC-DC translation circuit 401, for being converted to 220 volts of mains piezoelectric voltages and the relay 201
The conversion voltage that voltage matches；
The voltage regulator circuit 402 is kept for that will pass through the conversion voltage stabilization that the AC-DC translation circuit 401 is converted
In the output voltage to match with 201 voltage of relay.
Further, the power switching circuit 60 includes power supply input circuit 601 and switching circuit 602, in which:
The power supply input circuit 601 connects for connecting the voltage sample circuit 50 and the battery feed circuit 70
By the battery supply input of the mains-supplied input and the battery feed circuit 70 of the voltage sample circuit 50；
The switching circuit 602 decides whether to drive the relay for the voltage according to the voltage sample circuit 50
Device 201 is closed, conductive logical by supplying second conductive path conducted to be switched to described first by the battery feed circuit
Road.When the spread of voltage of the alternating current power-supply circuit 40 or not with 201 voltage matches of relay, continue to keep by institute
Battery feed circuit is stated to be connected for second conductive path conducted；When the alternating current power-supply circuit 40 voltage stabilization and
When with 201 voltage matches of relay, the relay 201 is driven to be closed, it will be by the battery feed circuit for conducting
Second conductive path be switched to by mains-supplied be connected first conductive path.
Single fire switch of the utility model embodiment provides 3.3 by the battery feed circuit 70 in rigid starting
The power supply of volt carries out conducting operation to the load, carries out at this point, power switching circuit 60 starts the battery feed circuit 70
3.3 volts of power supplies, drive the controllable silicon drive circuit 302 to start, make that firewire, load 10, silicon-controlled 301, zero curve formed the
The conducting of two conductive paths, this process consume 3.3V battery 5mA, the electricity that duration is about 10ms；Meanwhile the alternating current power-supply circuit
40 enter working condition, and starting takes electricity from alternating current and establishes 12 volts of burning voltage, and the voltage sample circuit 50 detects described
The 12-volts output voltage of alternating current power-supply circuit 40 whether the voltage matches with the relay 201, output is to described if matching
Power switching circuit 60, and the power switching circuit 60 is driven to start, the power switching circuit 60 drives the relay
201 closures, the first conductive path conducting for forming firewire, load 10, relay 201, zero curve, while cutting off the battery and supplying
The power supply of circuit 70 makes described silicon-controlled 301 to disconnect, and makes firewire, load 10, silicon-controlled 301, zero curve formed second conductive
Path blockade, to being switched to second conductive path by the battery feed circuit 70 for electric forming by the alternating current
Battery electric power is no longer consumed for first conductive path of electric forming in power-supply circuit 40.
Embodiment 2:
Please refer to Fig. 6.In the utility model embodiment, the first switch circuit 20 includes relay 201 and relay
Starting is closed by device driving circuit 202, the relay 201 in 12 volts of voltage；The second switch circuit 30 includes controllable
Silicon 301 and controllable silicon drive circuit 302, the battery feed circuit 70 provide 3.3 volts of voltage, the alternating current power-supply circuit 40
It can provide 12 volts of power supplies under closed states.
The utility model embodiment provides a kind of single fire switch, comprising: firewire, load 10, relay 201, relay drive
Dynamic circuit 202, silicon-controlled 301, controllable silicon drive circuit 302, alternating current power-supply circuit 40, voltage sample circuit 50, power switching
Circuit 60, battery feed circuit 70, zero curve, communication module 80；Wherein:
The firewire, load 10, relay 201, zero curve form the first conductive path；The firewire loads 10, is silicon-controlled
301, zero curve forms the second conductive path；
The both ends of relay 201 described in the silicon-controlled 301 both ends parallel connection；
The alternating current power-supply circuit 40, for taken from 220 volts of alternating currents electricity and by output voltage convert to the relay
The voltage matches of device 201；
The voltage sample circuit 50 is connected between the alternating current power-supply circuit 40 and the power switching circuit 60,
For from the 40 sampling and testing voltage of alternating current power-supply circuit whether with 201 voltage matches of relay, as matching if export
To the power switching circuit 60；
The power switching circuit 60 is separately connected the voltage sample circuit 50 and the battery feed circuit 70, uses
It is exported according to the matching of the voltage sample circuit 50, decides whether that the relay 201 is driven to be closed, make described first to lead
Electric pathway conducting is connected supplying second conductive path conducted to be switched to by the battery feed circuit by mains-supplied
First conductive path.When the output voltage of the voltage sample circuit 50 is unstable or not with 201 electricity of the relay
When pressure matching, continue to keep being connected by the battery feed circuit for second conductive path conducted；When the voltage
The voltage stabilization of the output voltage of sample circuit 50 and when with 201 voltage matches of relay, drives the relay 201 to close
It closes, will be switched to for second conductive path that conducts by described the of mains-supplied conducting by the battery feed circuit
One conductive path.
The communication module 80 is connect with the power switching circuit 60, is received the offer of power switching circuit 60 and is cut
The battery changed is for the battery power supply of circuit 70 or the mains-supplied of the alternating current power-supply circuit 40, for according to the power supply
The electric power thus supplied of switching circuit 60 indicates 302 on and off of controllable silicon drive circuit.
Further, the communication module 80 give and accept the power switching circuit 60 provide switching the alternating current take it is electric
When the mains-supplied on road 40, the power switching circuit 60 also further by output voltage convert to the communication module 80
Voltage matches, at this point it is possible to be realized or the dress the power switching circuit 60 further comprises a reduction voltage circuit
Set further comprises a reduction voltage circuit connecting with the power switching circuit 60 to realize.
Further, the output voltage of the alternating current power-supply circuit 40 depends on the input voltage of the relay 201,
Input voltage with the relay 201；It include: AC-DC translation circuit 401 (ac-dc conversion circuit 401), pressure stabilizing electricity
Road 402, in which:
The AC-DC translation circuit 401, for being converted to 220 volts of mains piezoelectric voltages and the relay 201
The conversion voltage that voltage matches；
The voltage regulator circuit 402 is kept for that will pass through the conversion voltage stabilization that the AC-DC translation circuit 401 is converted
In the output voltage to match with 201 voltage of relay.
Further, the power switching circuit 60 includes power supply input circuit 601 and switching circuit 602, in which:
The power supply input circuit 601 connects for connecting the voltage sample circuit 50 and the battery feed circuit 70
By the battery supply input of the mains-supplied input and the battery feed circuit 70 of the voltage sample circuit 50；
The switching circuit 602 decides whether to drive the relay for the voltage according to the voltage sample circuit 50
Device 201 is closed, conductive logical by supplying second conductive path conducted to be switched to described first by the battery feed circuit
Road.When the spread of voltage of the alternating current power-supply circuit 40 or not with 201 voltage matches of relay, continue to keep by institute
Battery feed circuit is stated to be connected for second conductive path conducted；When the alternating current power-supply circuit 40 voltage stabilization and
When with 201 voltage matches of relay, the relay 201 is driven to be closed, it will be by the battery feed circuit for conducting
Second conductive path be switched to by mains-supplied be connected first conductive path.
Single fire switch of the utility model embodiment provides 3.3 by the battery feed circuit 70 in rigid starting
The power supply of volt carries out conducting operation to the load, carries out at this point, power switching circuit 60 starts the battery feed circuit 70
3.3 volts of power supplies, the communication module 80 enter working condition, indicate that the controllable silicon drive circuit 302 starts, and make firewire, bear
The second conductive path conducting that 10, silicon-controlled 301, zero curve is formed is carried, this process consumes 3.3V battery 5mA, and duration is about 10ms
Electricity；Meanwhile the alternating current power-supply circuit 40 enters working condition, starting takes electricity from alternating current and establishes 12 volts of stable electricity
Pressure, the voltage sample circuit 50 detect the alternating current power-supply circuit 40 12-volts output voltage whether with the relay 201
Voltage matches, output drives the power switching circuit 60 to start, the power supply to the power switching circuit 60 if matching
Switching circuit 60 drives the relay 201 to be closed, and the first conduction for forming firewire, load 10, relay 201, zero curve is logical
Road conducting, while the power supply of the battery feed circuit 70 is cut off, the communication module 80 indicates the controllable silicon drive circuit
302 close, and make described silicon-controlled 301 to disconnect, the second conductive path for forming firewire, load 10, silicon-controlled 301, zero curve closes
It closes, electricity electricity is taken by the alternating current to will be switched to by the battery feed circuit 70 for second conductive path of electric forming
Battery electric power is no longer consumed for first conductive path of electric forming in road 40.
The utility model embodiment provides a kind of single fire switch and its power switching device, comprising: first switch circuit, the
Two switching circuits, power switching circuit, in which: the first switch circuit is driven by mains-supplied, including relay and relay
Dynamic circuit；The second switch circuit, is battery powered, including silicon-controlled and controllable silicon drive circuit, and described silicon-controlled two
Hold the both ends of relay described in parallel connection；The power switching circuit is separately connected the relay drive circuit and described
Controllable silicon drive circuit, for the closed state according to relay in the second switch circuit being battery powered and by alternating current
It is switched between the first switch circuit of power supply.By the utility model embodiment, power supply circuit switching can be reduced
When to the power consumption of internal battery, so that the power consumption of internal battery is reduced by 50% or more, improve the service life of battery.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Above-mentioned the utility model embodiment serial number is for illustration only, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, the technical solution of the utility model is substantially in other words to existing skill
The part that art contributes can be embodied in the form of software products, which is stored in a storage and is situated between
In matter (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the utility model.
The embodiments of the present invention are described above in conjunction with attached drawing, but the utility model is not limited to
The specific embodiment stated, the above mentioned embodiment is only schematical, rather than restrictive, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, these are belonged within the protection of the utility model.
Claims (7)
1. a kind of power switching device characterized by comprising first switch circuit, second switch circuit, power switching electricity
Road, in which:
The first switch circuit, by mains-supplied, including relay and relay drive circuit；
The second switch circuit, is battery powered, including silicon-controlled and controllable silicon drive circuit, and the silicon-controlled both ends are simultaneously
Connection couples the both ends of the relay；
The power switching circuit, is separately connected the relay drive circuit and the controllable silicon drive circuit, is used for basis
The closed state of relay is by the second switch circuit being battery powered and by the first switch circuit of mains-supplied
Between switch over.
2. the apparatus according to claim 1, which is characterized in that the power switching circuit is according to the closed state of relay
It switches over, wraps between the second switch circuit being battery powered and the first switch circuit by mains-supplied
It includes:
When the relay drive circuit drives relay closure, institute that the power switching circuit will be battery powered
It states second switch circuit and is switched to the first switch circuit by mains-supplied；
When the relay drive circuit drives the relay to disconnect, the power switching circuit will be by the institute of mains-supplied
It states first switch circuit and is switched to the second switch circuit being battery powered.
3. a kind of single fire switch characterized by comprising load, alternating current power-supply circuit, battery feed circuit and as right is wanted
First switch circuit, second switch circuit described in asking 1, power switching circuit；Wherein:
The load, first switch circuit form the first conductive path；It is conductive logical that the load, second switch circuit form second
Road；
The both ends of first switch circuit described in the both ends parallel connection of the second switch circuit；
The alternating current power-supply circuit, for taking electricity from alternating current and converting output voltage to the electricity with the first switch circuit
Pressure matching；
The power switching circuit is separately connected the alternating current power-supply circuit and the battery feed circuit, for according to
The voltage of alternating current power-supply circuit drives the first switch circuit conducting, described in being conducted as battery feed circuit confession
Second conductive path is switched to first conductive path be connected by mains-supplied.
4. single fire switch according to claim 3, which is characterized in that single fire switch still further comprises voltage sampling
Circuit, the voltage sample circuit are connected between the alternating current power-supply circuit and the power switching circuit, are used for from described
Whether alternating current power-supply circuit sampling and testing voltage matches with the first switch circuit voltage, if it matches, then exporting to the confession
Electrical switching circuit.
5. single fire switch according to claim 3, which is characterized in that the alternating current power-supply circuit includes: that AC-DC becomes
Change circuit, voltage regulator circuit, in which:
The ac-dc conversion circuit, for mains piezoelectric voltage to be converted to the voltage with the first switch circuit
The conversion voltage to match；
The voltage regulator circuit, the conversion voltage stabilization for that will pass through ac-dc conversion circuit conversion is maintained at and institute
State the output voltage that first switch circuit voltage matches.
6. single fire switch according to claim 3 or 4, which is characterized in that the power switching circuit includes supply input
Circuit and switching circuit, in which:
The power supply input circuit, for connecting the alternating current power-supply circuit and the battery feed circuit；
The switching circuit will be by for driving the first switch circuit to be connected according to the voltage of the alternating current power-supply circuit
The battery feed circuit is switched to first conduction be connected by mains-supplied for second conductive path conducted
Access.
7. single fire switch according to claim 3, which is characterized in that single fire switch still further comprises communication mould
Block, for indicating the switching circuit on and off, the communication module according to the electric power thus supplied of the power switching circuit
With the power switching circuit connection, receive the battery feed circuit that the power switching circuit provides battery power supply or
The mains-supplied of the alternating current power-supply circuit；
When the communication module receives the mains-supplied for the alternating current power-supply circuit that the power switching circuit provides, the confession
Electrical switching circuit still further comprises reduction voltage circuit, for converting output voltage to the voltage matches with the communication module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821399042.7U CN208596967U (en) | 2018-08-28 | 2018-08-28 | A kind of single fire switch and its power switching device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821399042.7U CN208596967U (en) | 2018-08-28 | 2018-08-28 | A kind of single fire switch and its power switching device |
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| CN208596967U true CN208596967U (en) | 2019-03-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038802A (en) * | 2018-08-28 | 2018-12-18 | 深圳市欧瑞博科技有限公司 | A kind of single fire switch and its power switching device, method and its equipment |
| CN110703846A (en) * | 2019-11-13 | 2020-01-17 | 小熊电器股份有限公司 | Power control circuit and power control method |
-
2018
- 2018-08-28 CN CN201821399042.7U patent/CN208596967U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109038802A (en) * | 2018-08-28 | 2018-12-18 | 深圳市欧瑞博科技有限公司 | A kind of single fire switch and its power switching device, method and its equipment |
| CN110703846A (en) * | 2019-11-13 | 2020-01-17 | 小熊电器股份有限公司 | Power control circuit and power control method |
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