CN105591456B - Alternating-direct current high-low voltage power input exports intelligent measurement output circuit - Google Patents
Alternating-direct current high-low voltage power input exports intelligent measurement output circuit Download PDFInfo
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- CN105591456B CN105591456B CN201610084224.4A CN201610084224A CN105591456B CN 105591456 B CN105591456 B CN 105591456B CN 201610084224 A CN201610084224 A CN 201610084224A CN 105591456 B CN105591456 B CN 105591456B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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Abstract
The invention discloses a kind of alternating-direct current high-low voltage power input intelligent measurement output circuits, output unit is detected including alternating current-direct current high voltage, power rectifier unit, high voltage automatically cuts off protection location, low-voltage dc power supply delay output unit, low-voltage dc power supply drives output unit, LS bus and NS bus, alternating current-direct current high voltage detects output unit, power rectifier unit input terminal is arranged in parallel between LS bus and NS bus, power rectifier unit output end successively automatically cuts off protection location with high voltage, low-voltage dc power supply delay output unit, low-voltage dc power supply drives output unit to be connected.LS bus and NS bus of the invention can access high-voltage alternating or low-voltage dc voltage, realize the output of high-voltage alternating and low-voltage dc voltage, voltage is converted without increasing manual change voltage switch, electric equipment products is made to operate with upper simple intelligence, convenient and energy conservation.
Description
Technical field
The present invention relates to power circuits, and in particular to a kind of alternating-direct current high-low voltage power input intelligent measurement output circuit.
Background technique
Existing household appliances electricity Yuan Defend head input is all single input (such as 220 volts of voltages or 110 volts of voltages).It is in
Different voltages are used in electric product for convenience, both increase the switch that one manually manually controls to convert another group of electricity
Pressure, it is this manually to manually change conversion and using the method for different voltages and the development in epoch produced distance, social hair
Exhibition is developed to intelligence operation and more environmentally friendly more energy efficient direction.Today household appliances and Medical Devices (such as: cold wind
Fan, electric fan, humidifier, air cleaner, supersonic wave cleaning machine, water toothpick, electronic sphygmomanometer make liquid machine, make fruit machine, buy meat
Machine, electronic silk batch etc.) energy-saving direct-current motor or DC frequency-changing speed regulating motor have all been used, many direct current generators all can be used directly
Lower than 36 volts voltages can work normally, and also include many household appliances and Medical Devices and computer, these household appliances
All it is low-voltage dc power supply with Medical Devices practical application voltage, uses 220 volts of voltages for convenience, contribute to power supply transformation
Device or capacitance-resistance reactance technology or frequency-variable electronic decompression etc. work to obtain low-voltage dc voltage.Therefore, how to provide one kind can
The intelligent measurement output circuit of 220 volts of external outside voltage and low-voltage DC voltage source simultaneously, has become one and urgently solves
Key technical problem certainly.
Summary of the invention
The technical problem to be solved in the present invention is to provide it is a kind of in case of Jia hair property 220 volts have a power failure power supply reconfiguration can be entered it is low
It presses DC voltage power supply (such as 24 volts), converts another group of voltage without increasing a manual change voltage switch, make electric appliance
Product operate with it is upper it is simple intelligence and conveniently, and external low-voltage direct electric energy be sent directly into circuit provide electric energy,
Make the alternating-direct current high-low voltage power input intelligent measurement output circuit that electric equipment products electricity consumption is more energy efficient.
In order to solve the above technical problems, the technical solution adopted by the present invention are as follows:
A kind of alternating-direct current high-low voltage power input intelligent measurement output circuit, including the detection output of alternating current-direct current high voltage are single
Member, power rectifier unit, high voltage automatically cut off protection location, low-voltage dc power supply delay output unit, low-voltage dc power supply
Driving output unit, LS bus and NS bus, the LS bus are connected with NS bus with AC power source, the alternating current-direct current high voltage
Detect output unit parallel arrangement between LS bus and NS bus, the input terminal of the power rectifier unit respectively with LS bus
It is connected with NS bus, the output end of the power rectifier unit successively automatically cuts off protection location, low-voltage DC with high voltage
Source delay output unit, low-voltage dc power supply driving output unit are connected.
Overcurrent fuse wire FU is serially connected on the LS bus.
The alternating current-direct current high voltage detection output unit includes current limiting capacitance C1, current-limiting resistance R1, combined-voltage coil
KJA, the current limiting capacitance C1, combined-voltage coil KJA connect to form alternating current-direct current high voltage detection output branch, the current limliting
Resistance R1 and current limiting capacitance C1 are connected in parallel, and the alternating current-direct current high voltage detection output branch circuit parallel connection is connected to LS bus and NS
Between bus, the combined-voltage coil KJA includes controlled switch KJA1 and controlled switch KJA2, the controlled switch
KJA1 is serially connected on LS bus, and the controlled switch KJA2 is serially connected on NS bus.
The controlled switch KJA1 and controlled switch KJA2 is dibit gating switch, and the controlled switch KJA1 is all the way
Gating contact is serially connected on LS bus, another way gating contact is serially connected between the input terminal of power rectifier unit and LS bus,
The contact of gating all the way of the controlled switch KJA2 is serially connected on NS bus, another way gating contact is serially connected with power rectifier unit
Input terminal and NS bus between.
The power rectifier unit includes by the full-wave rectification bridge of four diodes D1, D2, D3, D4.
It includes storage capacitor C2, current-limiting resistance R2, bi-directional zener diode that the high voltage, which automatically cuts off protection location,
The output end of VTA, bidirectional triode thyristor VS1 and load resistance R3, the capacitor C2 and power rectifier unit are connected in parallel, the storage
The anode of energy capacitor C2 passes sequentially through the trigger electrode of current-limiting resistance R2, bi-directional zener diode VTA connection bidirectional triode thyristor VS1,
The anode A of the bidirectional triode thyristor VS1 is connected to by load resistance R3 with the anode of storage capacitor C2, the bidirectional triode thyristor
The cathode K of VS1 is connected to the cathode of storage capacitor C2.
The low-voltage dc power supply delay output unit includes resistance R4, diac VDW1, delay time adjustment electricity
Hinder R5, reset diode D5, reset diode D6, delay capacitor C3, diac VDW2, capacitor C4, resistance R6 and three
Pole pipe VT1, the resistance R4, diac VDW1 connect the branch to be formed and bidirectional triode thyristor VS1 is connected in parallel, described to prolong
When time adjustment resistance R5 and diac VDW1 be connected in parallel, the adjustable side of delay time adjustment resistance R5 is successively
Bus is exported by the cathode of diac VDW2, resistance R6 and power rectifier unit to be connected, the bidirectional triode thyristor VS1's
Anode A is connected by reset diode D5 with the collector C of triode VT1, while the delay capacitor C3, reset diode D6
The two also arranged in series is between the cathode output bus of power rectifier unit, the collector C of triode VT1, the triode
The base stage b of VT1 exports bus by the cathode of capacitor C4 and power rectifier unit and is connected, the emitter E of the triode VT1 with
Cathode exports bus and is connected.
Low-voltage dc power supply driving output unit includes silicon-controlled VS2 and switch relay coil KJD, described controllable
Silicon VS2 and switch relay coil KJD connects to form low-voltage direct output branch, the trigger electrode C of the silicon-controlled VS2 and low
The output end of DC power supply delay output unit is pressed to be connected, the output end of low-voltage direct the output branch and power rectifier unit
It is connected in parallel, the switch relay coil KJD includes relay switch KJD 1 and relay switch KJD 2, the relay
Switch KJD 1 is serially connected on the anode output bus of power rectifier unit, and the relay switch KJD 2 is serially connected with power rectifier
On the cathode output bus of unit.
Alternating-direct current high-low voltage power input intelligent measurement output circuit of the present invention has an advantage that the present invention includes handing over directly
Stream high voltage detection output unit, power rectifier unit, high voltage automatically cut off protection location, low-voltage dc power supply delay output
It is high that unit, low-voltage dc power supply driving output unit, LS bus and NS bus, LS bus and NS bus can according to need access
AC power source or low-voltage dc voltage are pressed, when LS bus and NS bus access high-voltage ac power, the inspection of alternating current-direct current high voltage
Survey output unit and detect and control the high group voltage of output, i.e., high AC voltage used in conventional electrical appliance product (110 volts or
220 volts or 380 volts), when LS bus and NS bus access low-voltage dc voltage, it is whole that low-voltage dc voltage passes sequentially through power supply
Stream unit, high voltage automatically cut off protection location, low-voltage dc power supply delay output unit, low-voltage dc power supply driving output list
Member output DC low voltage power supply (such as 24V), therefore power supply reconfiguration can be entered low-voltage DC such as Jia hair 220 volts of power failures of property
Voltage source (such as 24 volts) converts another group of voltage without increasing a manual change voltage switch, is grasping electric equipment products
External low-voltage direct electric energy is sent directly into circuit and provides electric energy by work using upper simple intelligence and conveniently, produces electric appliance
Product electricity consumption is more energy efficient.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, 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
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the circuit theory schematic diagram of the embodiment of the present invention one.
Fig. 2 is the electrical block diagram of the embodiment of the present invention one.
Fig. 3 is the electrical block diagram of the embodiment of the present invention two.
Marginal data: 1, alternating current-direct current high voltage detects output unit；2, power rectifier unit；3, high voltage automatically cuts off guarantor
Protect unit；4, low-voltage dc power supply delay output unit；5, low-voltage dc power supply drives output unit.
Specific embodiment
The preferred embodiment of the present invention is described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
As shown in Figure 1, the alternating-direct current high-low voltage power input intelligent measurement output circuit of the present embodiment includes alternating current-direct current height
Voltage detecting output unit 1, power rectifier unit 2, high voltage automatically cut off protection location 3, low-voltage dc power supply delay output
Unit 4, low-voltage dc power supply driving output unit 5, LS bus and NS bus, LS bus and NS bus and AC power source (L, N)
It is connected (passing through plug), alternating current-direct current high voltage detects the parallel arrangement of output unit 1 between LS bus and NS bus, power rectifier
The input terminal of unit 2 is connected with LS bus with NS bus respectively, and the output end of power rectifier unit 2 is successively cut with high voltage automatically
Disconnected protection location 3, low-voltage dc power supply delay output unit 4, low-voltage dc power supply driving output unit 5 are connected.The present embodiment
Middle LS bus and NS bus are connected with plug, and plug can arbitrarily access different combined-voltages, when plug accesses high-voltage alternating
When power supply, alternating current-direct current high voltage detection output unit 1 detects and controls the high group voltage of output, i.e., used in conventional electrical appliance product
High AC voltage (110 volts or 220 volts or 380 volts), when LS bus and NS bus access low-voltage dc voltage, low-voltage direct
Voltage passes sequentially through power rectifier unit 2, high voltage automatically cuts off protection location 3, low-voltage dc power supply delay output unit 4,
Low-voltage dc power supply driving exports single 5 yuan of output DC low voltage power supplies (such as 24V), therefore is such as Jia hair 220 volts of power failures of property
Power supply reconfiguration can be entered low-voltage DC voltage source (such as 24 volts), be converted without increasing a manual change voltage switch another
One group of voltage makes electric equipment products operate with upper simple intelligence and conveniently, and external low-voltage direct electric energy is directly sent
Enter circuit and electric energy is provided, keeps electric equipment products electricity consumption more energy efficient.
As shown in Fig. 2, being serially connected with overcurrent fuse wire FU on LS bus, high current fuses automatically, more secure and reliable.
As shown in Fig. 2, alternating current-direct current high voltage detection output unit 1 includes current limiting capacitance C1, current-limiting resistance R1, alterating and direct current
Crimping circle KJA, current limiting capacitance C1, combined-voltage coil KJA connect to form alternating current-direct current high voltage detection output branch, current limliting electricity
Resistance R1 and current limiting capacitance C1 is connected in parallel, alternating current-direct current high voltage detection output branch circuit parallel connection be connected to LS bus and NS bus it
Between, combined-voltage coil KJA includes controlled switch KJA1 and controlled switch KJA2, and controlled switch KJA1 is serially connected with LS bus
On, controlled switch KJA2 is serially connected on NS bus.Change capacitance, the resistance value and friendship of current-limiting resistance R1 of current limiting capacitance C1
The magnetic flux of DC coil kJA, can the purpose that is exported to high voltage of Da, example；The high electricity using 220V AC voltage as alternating current-direct current
When the high voltage output of pressure detection output unit 1, LS bus and NS bus input 220V voltage are by current limiting capacitance C1, current limliting electricity
Resistance R1 is connected to combined-voltage coil KJA, the controlled switch KJA1 and controlled switch for controlling combined-voltage coil KJA
KJA2 is attracted conducting, to realize that 220V AC voltage exports.
As shown in Fig. 2, power rectifier unit 2 includes by the full-wave rectification bridge of four diodes D1, D2, D3, D4.All-wave is whole
Stream bridge it be mainly used for no matter LS bus and NS bus which hold input positive and negative electrode, can guarantee anode output bus D+ and cathode
The positive and negative electrode for exporting bus D- is constant.
As shown in Fig. 2, it includes storage capacitor C2, current-limiting resistance R2, two-way Zener two that high voltage, which automatically cuts off protection location 3,
The output end of pole pipe VTA, bidirectional triode thyristor VS1 and load resistance R3, capacitor C2 and power rectifier unit 2 is connected in parallel, energy storage
The anode of capacitor C2 passes sequentially through the trigger electrode of current-limiting resistance R2, bi-directional zener diode VTA connection bidirectional triode thyristor VS1, double
It is connected to the anode A of silicon-controlled VS1 by load resistance R3 with the anode of storage capacitor C2, the cathode K of bidirectional triode thyristor VS1
It is connected to the cathode of storage capacitor C2.After L, N have voltage input, L line is through overcurrent fuse wire FU connection power rectifier list
Diode D1, D3 anode of member 2, diode D1, D3 cathode are simultaneously linked as positive voltage output and connect with storage capacitor C2, and N line connects
Diode D2, D4 anode of power rectifier unit 2, D2, D4 cathode are simultaneously linked as negative voltage output and another with storage capacitor C2
End connection, the both end voltage of storage capacitor C2 can be considered Tong Walk, but the two of storage capacitor C2 with the both ends L, N input voltage height
Proper cathode voltage is invariability, in order to guarantee each road Zou Qi of high-low voltage, is not allowed high voltage to pass through in low pressure electric channel,
So must have in low tension output channel very safely and effectively and can obstruct the circuit that high voltage passes through, therefore the electricity together
Road is known as high-voltage power supply and automatically cuts off protection circuit.For example, setting low pressure electric channel is 36V hereinafter, the limit should so be arranged
When high tension voltage value should be about 40v or so, when L, N power input voltage are higher than 40V if anode output bus D+ and cathode
Just no work does not export output bus D-.Its working principles are as follows: the positive electricity current voltage of storage capacitor C2 is through current-limiting resistance R2
It is connected to bi-directional zener diode VTA, the bi-directional zener diode VTA other end connects bidirectional triode thyristor VS1 trigger electrode, if two-way
Zener diode VTA designs the bi-directional zener diode VTA when bis- end voltage Da to 40v voltage of storage capacitor C2 in 40V
Conducting, the bi-directional zener diode VTA that bis- end voltage of storage capacitor C2, ten voltage and current is connected through current-limiting resistance R2 will be punctured
Bidirectional triode thyristor VS1 anode A and bidirectional triode thyristor VS1 cathode K is connected in the trigger electrode G for flowing through bidirectional triode thyristor VS1, two-way
The positive potential of the load resistance R3 of the anode A connection of silicon-controlled VS1 immediately becomes negative potential, the delay of Fig. 2 mesolow DC power supply
The resistance R4 of output unit 4 does not have positive voltage to pass to low-voltage dc power supply delay output unit 4, low-voltage dc power supply delay output
Unit 4 cannot work, to achieve the purpose that automatically cut off protection.Wherein, the effect of storage capacitor C2 be can make it is two-way controllable
It works after silicon VS1 conducting more stable, expansion interference performance is stronger, when making the poor contact of L, N voltage input end or input voltage fluctuation
Bidirectional triode thyristor VS1 is caused to be unable to works fine.
As shown in Fig. 2, low-voltage dc power supply delay output unit 4 includes resistance R4, diac VDW1, delay time
Adjust resistance R5, reset diode D5, reset diode D6, delay capacitor C3, diac VDW2, capacitor C4, resistance R6
The branch to be formed is connected with triode VT1, resistance R4, diac VDW1 and bidirectional triode thyristor VS1 is connected in parallel, when delay
Between adjustment resistance R5 and diac VDW1 be connected in parallel, delay time adjustment resistance R5 adjustable side pass sequentially through triggering two
Pole pipe VDW2, resistance R6 are connected with the cathode of power rectifier unit 2 output bus, and the anode A of bidirectional triode thyristor VS1 passes through reset
Diode D5 is connected with the collector C of triode VT1, at the same both delay capacitor C3, reset diode D6 also arranged in series in
Between the cathode output bus of power rectifier unit 2, the collector C of triode VT1, the base stage b of triode VT1 passes through capacitor
C4 is connected with the cathode of power rectifier unit 2 output bus, and the emitter E of triode VT1 is connected with cathode output bus.When
L, when N has voltage input, there is voltage at the both ends storage capacitor C2 simultaneously, and the positive voltage of storage capacitor C2 connects current-limiting resistance R3, limit
After leakage resistance R3 and resistance R4 series winding, the other end of resistance R4 is connect with unidirectional Zener diode regulator VSW1 cathode, and Zener is steady
Pressure diode VSW1 anode connect with storage capacitor C2 negative electrode make its generation current loop, when bis- end storage capacitor C2 by L,
N input voltage changes unstable, but the voltage at unidirectional two both ends pipe VS1 of Zener pressure stabilizing is to stablize constant, therefore be ensure that
Delay time adjustment resistance R5 both end voltage stablize it is constant, sliding delay time adjust resistance R5, change arrow midpoint can
Change connection bis- end voltage of delay capacitor C3 and reaches the time required when saturation, thus function of the Da to regulating delay time,
When the voltage of delay capacitor C3 reaches saturation, (Da is to when setting voltage value), Zener diode VDW2 breakdown conducting make to store up
The saturation positive voltage of energy capacitor C2 storage is transmitted to voltage and current amplifying triode VT1 base stage b, triode VT1 current collection through VDW2
Pole C is connected with emitter E, and the trigger electrode G of silicon-controlled VS2 is obtained from triode VT1 emitter E trigger current, silicon-controlled
VS2 work anode A is connected with cathode K, so that the switch relay coil KJD of low-voltage dc power supply driving output unit 5
Voltage and current is obtained, relay switch KJD 1 and relay switch KJD 2 are attracted conducting.Reset diode D5, D6 is as multiple
Position diode is that L makes delay circuit each working time when N is frequently discontinuously inputted and alternating current-direct current high-low voltage converts input
Equally, reset diode D5, D6 working principle is as follows: after low-voltage dc power supply delay output unit 4 works, low-voltage direct
The silicon-controlled VS2 anode A of power drives output unit 5 is connected with cathode K, the both end voltage of silicon-controlled VS2 anode A and cathode K
It is down to several volts of zero point immediately, the cathode of the cathode and storage capacitor C2 that are equivalent to reset diode D5, D6 in this circuit arrangement is connected,
Reset diode D5 anode connects the midpoint of current-limiting resistance R3 and resistance R4 series winding, when the connection of reset diode D6 anode is delayed
Between adjustment resistance R5 point of arrow and delay electricity C3 anode and diac VDW2 cathode.It is multiple when each L, N have voltage input
The current potential of the positive tie point (especially D6 anode tie point) of the D5 and D6 of position diode is all as the time, low potential turned again
To high potential, work as D5, low-voltage dc power supply drives output unit 5 after the positive potential of the positive tie point of D6 is increased to setting value
Silicon-controlled VS2 work, silicon-controlled VS2 cathode K with anode A conducting, making reset diode D5, D6 cathode, former positive potential becomes again
Negative potential, the current potential of reset diode D5, D6 anode tie point is in high positive potential at this time, reset diode D5, and D6 is led
It is logical, so that the high-order positive voltage of the anode of its reset diode D5, D6 is immediately become low potential, so makees from returning to work.
As shown in Fig. 2, low-voltage dc power supply driving output unit 5 includes silicon-controlled VS2 and switch relay coil KJD,
Silicon-controlled VS2 and switch relay coil KJD connects to form low-voltage direct output branch, the trigger electrode C and low pressure of silicon-controlled VS2
The output end of DC power supply delay output unit 4 is connected, and low-voltage direct exports branch and the output end of power rectifier unit 2 is in parallel
Connection, switch relay coil KJD include relay switch KJD 1 and relay switch KJD 2, and relay switch KJD 1 goes here and there
It is connected on the anode output bus of power rectifier unit 2, the cathode that relay switch KJD 2 is serially connected with power rectifier unit 2 is defeated
Out on bus.When the triode KT1 work of prime low-voltage dc power supply delay output unit 4, triode KT1 emitter E is defeated
A positive potential works to silicon-controlled VS2 trigger electrode C, silicon-controlled VS2 out, cathode K, anode A conducting, switch relay coil
KJD has voltage and current to pass through, and relay switch KJD 1 and relay switch KJD 2 are simultaneously turned on, and relay switch KJD 1 connects
Logical D+ is anode output bus output point, and it is that cathode exports bus output point that relay switch KJD 2, which connects D-,.
Embodiment two:
The present embodiment is basically the same as the first embodiment, difference are as follows: as shown in figure 3, controlled switch in the present embodiment
KJA1 and controlled switch KJA2 is dibit gating switch, the contact of gating all the way of controlled switch KJA1 is serially connected on LS bus,
Another way gating contact is serially connected between the input terminal of power rectifier unit 2 and LS bus, the gating all the way of controlled switch KJA2
Contact is serially connected on NS bus, another way gating contact is serially connected between the input terminal of power rectifier unit 2 and NS bus.Pass through
Using dibit gating switch, it can be ensured that or alternating current-direct current high voltage detection output unit 1 is in running order or power supply is whole
It is defeated that stream unit 2, high voltage automatically cut off protection location 3, low-voltage dc power supply delay output unit 4, low-voltage dc power supply driving
Unit 5 is in running order out, so that entire circuit logic is simpler, performance is more reliable and more stable.
The foregoing is merely the preferred embodiment of the present invention, protection scope of the present invention is not limited in above-mentioned embodiment party
Formula, all technical solutions for belonging to the principle of the invention all belong to the scope of protection of the present invention.To those skilled in the art, exist
Several improvements and modifications carried out without departing from the principles of the invention, these improvements and modifications also should be regarded as guarantor of the invention
Protect range.
Claims (7)
1. a kind of alternating-direct current high-low voltage power input intelligent measurement output circuit, it is characterised in that: examined including alternating current-direct current high voltage
Survey output unit (1), power rectifier unit (2), high voltage automatically cut off protection location (3), low-voltage dc power supply delay output
Unit (4), low-voltage dc power supply driving output unit (5), LS bus and NS bus, the LS bus and NS bus and alternating current
Source is connected, and between LS bus and NS bus, the power supply is whole for alternating current-direct current high voltage detection output unit (1) parallel arrangement
The input terminal of stream unit (2) is connected with LS bus with NS bus respectively, and the output end of the power rectifier unit (2) is successively and high
Voltage automatically cuts off protection location (3), low-voltage dc power supply delay output unit (4), low-voltage dc power supply driving output unit
(5) it is connected；
Alternating current-direct current high voltage detection output unit (1) includes current limiting capacitance C1, current-limiting resistance R1, combined-voltage coil
KJA, the current limiting capacitance C1, combined-voltage coil KJA connect to form alternating current-direct current high voltage detection output branch, the current limliting
Resistance R1 and current limiting capacitance C1 are connected in parallel, and the alternating current-direct current high voltage detection output branch circuit parallel connection is connected to LS bus and NS is female
Between line, the combined-voltage coil KJA includes controlled switch KJA1 and controlled switch KJA2, the controlled switch KJA1 string
It is connected on LS bus, the controlled switch KJA2 is serially connected on NS bus.
2. alternating-direct current high-low voltage power input intelligent measurement output circuit according to claim 1, it is characterised in that: described
Overcurrent fuse wire FU is serially connected on LS bus.
3. alternating-direct current high-low voltage power input intelligent measurement output circuit according to claim 1, it is characterised in that: described
Controlled switch KJA1 and controlled switch KJA2 is dibit gating switch, the contact of the gating all the way concatenation of the controlled switch KJA1
It is described controlled to open on LS bus, between the input terminal and LS bus that another way gating contact is serially connected with power rectifier unit (2)
The contact of gating all the way of pass KJA2 is serially connected on NS bus, another way gates the input that contact is serially connected with power rectifier unit (2)
Between end and NS bus.
4. alternating-direct current high-low voltage power input intelligent measurement output circuit according to claim 3, it is characterised in that: described
Power rectifier unit (2) includes by the full-wave rectification bridge of four diodes D1, D2, D3, D4.
5. alternating-direct current high-low voltage power input intelligent measurement output circuit according to claim 4, it is characterised in that: described
High voltage automatically cut off protection location (3) include storage capacitor C2, it is current-limiting resistance R2, bi-directional zener diode VTA, two-way controllable
The output end of silicon VS1 and load resistance R3, the capacitor C2 and power rectifier unit (2) are connected in parallel, the storage capacitor C2
Anode pass sequentially through the trigger electrode of current-limiting resistance R2, bi-directional zener diode VTA connection bidirectional triode thyristor VS1, it is described two-way
The anode A of silicon-controlled VS1 is connected to by load resistance R3 with the anode of storage capacitor C2, the cathode K of the bidirectional triode thyristor VS1
It is connected to the cathode of storage capacitor C2.
6. alternating-direct current high-low voltage power input intelligent measurement output circuit according to claim 5, it is characterised in that: described
Low-voltage dc power supply delay output unit (4) includes resistance R4, diac VDW1, delay time adjustment resistance R5, resets
Diode D5, reset diode D6, delay capacitor C3, diac VDW2, capacitor C4, resistance R6 and triode VT1, it is described
Resistance R4, diac VDW1 connect the branch to be formed and bidirectional triode thyristor VS1 is connected in parallel, the delay time adjustment electricity
Resistance R5 and diac VDW1 is connected in parallel, and the adjustable side of the delay time adjustment resistance R5 passes sequentially through diac
VDW2, resistance R6 are connected with the cathode of power rectifier unit (2) output bus, and the anode A of the bidirectional triode thyristor VS1 passes through multiple
Position diode D5 is connected with the collector C of triode VT1, while both the delay capacitor C3, reset diode D6 also connect
It is arranged between the cathode output bus of power rectifier unit (2), the collector C of triode VT1, the base of the triode VT1
Pole b exports bus with the cathode of power rectifier unit (2) by capacitor C4 and is connected, the emitter E and cathode of the triode VT1
Bus is exported to be connected.
7. alternating-direct current high-low voltage power input intelligent measurement output circuit according to claim 6, it is characterised in that: described
Low-voltage dc power supply driving output unit (5) includes silicon-controlled VS2 and switch relay coil KJD, the silicon-controlled VS2 and opens
Relay coil KJD is closed to connect to form low-voltage direct output branch, the trigger electrode C and low-voltage dc power supply of the silicon-controlled VS2
The output end of delay output unit (4) is connected, and the output end of the low-voltage direct output branch and power rectifier unit (2) is in parallel
Connection, the switch relay coil KJD includes relay switch KJD1 and relay switch KJD2, the relay switch
KJD1 is serially connected on the anode output bus of power rectifier unit (2), and the relay switch KJD2 is serially connected with power rectifier list
On the cathode output bus of first (2).
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| CN201610084224.4A CN105591456B (en) | 2016-02-06 | 2016-02-06 | Alternating-direct current high-low voltage power input exports intelligent measurement output circuit |
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| CN105591456B true CN105591456B (en) | 2019-09-24 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1032943A (en) * | 1996-04-12 | 1998-02-03 | Meidensha Corp | Uniterruptible switching system between defferent power supplies |
| CN202889714U (en) * | 2012-09-25 | 2013-04-17 | 张卫 | A lighting device equipped with an emergency function |
| CN104883041A (en) * | 2015-06-08 | 2015-09-02 | 嘉兴星网通信技术有限公司 | Protection circuit |
| CN204733425U (en) * | 2015-06-05 | 2015-10-28 | 广东顺德锐铂汇电子科技有限公司 | A kind of illumination emergency circuit conversion equipment |
-
2016
- 2016-02-06 CN CN201610084224.4A patent/CN105591456B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1032943A (en) * | 1996-04-12 | 1998-02-03 | Meidensha Corp | Uniterruptible switching system between defferent power supplies |
| CN202889714U (en) * | 2012-09-25 | 2013-04-17 | 张卫 | A lighting device equipped with an emergency function |
| CN204733425U (en) * | 2015-06-05 | 2015-10-28 | 广东顺德锐铂汇电子科技有限公司 | A kind of illumination emergency circuit conversion equipment |
| CN104883041A (en) * | 2015-06-08 | 2015-09-02 | 嘉兴星网通信技术有限公司 | Protection circuit |
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Address after: No.46-9, Longyong Avenue, Huanglong village, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee after: GUANGDONG SHUNDE RUIBOHUI ELECTRONICS TECHNOLOGY CO.,LTD. Address before: 528300 floor 1, building F, Guangdong Industrial Design City, No. 1, Sanle Road North, Beijiao Town, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG SHUNDE RUIBOHUI ELECTRONICS TECHNOLOGY CO.,LTD. |