CN211790939U - Dual-power supply module - Google Patents

Dual-power supply module Download PDF

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Publication number
CN211790939U
CN211790939U CN202020587297.7U CN202020587297U CN211790939U CN 211790939 U CN211790939 U CN 211790939U CN 202020587297 U CN202020587297 U CN 202020587297U CN 211790939 U CN211790939 U CN 211790939U
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China
Prior art keywords
power supply
circuit
supply module
falling edge
pin
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CN202020587297.7U
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Chinese (zh)
Inventor
程斌
卢启飞
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Hangzhou Wanlian Network Technology Co ltd
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Hangzhou Wanlian Network Technology Co ltd
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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
    • 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 utility model relates to a dual power supply module relates to power supply unit's technical field, and it includes mainly uses power module and stand-by power module, is provided with falling edge trigger circuit between mainly using power module and the stand-by power module, and falling edge trigger circuit's input electricity is connected mainly uses power module's output, and falling edge trigger circuit's output signal connects stand-by power module's input, still is provided with delay circuit between falling edge trigger circuit and the stand-by power module. When the main power module can not be used, the falling edge trigger circuit is triggered, so that the standby power module is started after receiving an output signal of the falling edge trigger circuit to supply power, equipment and a detector can continue to work, and the work of a factory is not easily influenced; through the arrangement of the delay circuit, the influence of an unstable signal on the circuit when the output of the main power supply module is changed from a high level to a low level is effectively buffered.

Description

Dual-power supply module
Technical Field
The utility model belongs to the technical field of power supply unit's technique and specifically relates to a dual power supply module is related to.
Background
Currently, in a factory, workers often need to use a large number of devices, and the devices need to be powered by a power supply.
In the existing factory, because the number of electric equipment is large, when power is off, the equipment usually uses a standby power supply, and the detector usually cannot use the standby power supply, so that the equipment cannot work.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a dual-power supply module, when a main power supply module can not be used, a falling edge trigger circuit is triggered, so that a standby power supply module is started after receiving an output signal of the falling edge trigger circuit to supply power, equipment and a detector can continue to work, and the work of a factory is not easily influenced; through the arrangement of the delay circuit, the influence of an unstable signal on the circuit when the output of the main power supply module is changed from a high level to a low level is effectively buffered.
A dual-power supply module comprises a main power supply module and a standby power supply module, wherein a falling edge trigger circuit is arranged between the main power supply module and the standby power supply module, the input end of the falling edge trigger circuit is electrically connected with the output end of the main power supply module, the output end of the falling edge trigger circuit is connected with the input end of the standby power supply module through a signal, a delay circuit is further arranged between the falling edge trigger circuit and the standby power supply module, the delay circuit comprises a 555 time-base circuit, a pin 5 of the 555 time-base circuit is electrically connected with a cathode of a diode VD1, an anode of the diode VD1, a pin 4 and a pin 5 of the 555 time-base circuit are all connected with VCC, a pin 6, a pin 7 and a pin 2 of the 555 time-base circuit are simultaneously electrically connected with a resistor Rt, the other end of the resistor Rt is connected with VCC, and a pin 2 of the 555 time-base, resistance R10's another termination VCC, 555 time base circuit's pin 2 is electrically connected with patch capacitor Ct and code wheel input circuit's button simultaneously, code wheel input circuit button with the other end ground connection of patch capacitor Ct, 555 time base circuit's pin 1 ground connection, 555 time base circuit's pin 3 electricity is connected with diode VD 2's negative pole and relay K, diode VD 2's positive pole with the other end ground connection of relay.
By adopting the technical scheme, when the main power supply module cannot be used, the falling edge trigger circuit is triggered, so that the standby power supply module is started after receiving the output signal of the falling edge trigger circuit to supply power, the equipment and the detector can continue to work, and the work of a factory is not easily influenced; the delay circuit is used for buffering the influence of an unstable signal on the circuit when the output of the main power supply module is changed from a high level to a low level.
The present invention may be further configured in a preferred embodiment as: the falling edge trigger circuit comprises a NOR gate AA and a NOR gate AB, input signals of the falling edge trigger circuit are respectively input into an input end 1 and an input end 2 of the NOR gate AA and an input end 5 of the NOR gate AB, an output end 3 of the NOR gate AA is in signal connection with an input end 6 of the NOR gate AB, and an output signal of an output end 4 of the NOR gate AB is an output signal of the falling edge trigger circuit.
By adopting the technical scheme, the standby power supply module is triggered to start when the output of the main power supply module is changed from high level to low level.
The present invention may be further configured in a preferred embodiment as: a resistor R1 is connected between the output end 3 and the input end 6 in a signal mode.
By adopting the technical scheme, the resistor R1 is used for filtering, and since unstable signals are easily generated when the output of the main power supply module is changed from high level to low level, the resistor R1 enables the signals of the trigger circuit to be more stable through falling edges.
The present invention may be further configured in a preferred embodiment as: one end of the resistor R1 close to the input end 6 is electrically connected with a capacitor C1, and the other end of the capacitor C1 is grounded.
By adopting the technical scheme, the capacitor C1 further stabilizes the signal of the trigger circuit through the falling edge.
The present invention may be further configured in a preferred embodiment as: the output end of the main power supply module is also in signal connection with a main power supply filter circuit, and the main power supply filter circuit comprises a resistor R2.
By adopting the technical scheme, the main power supply module is easy to fluctuate in the using process, so that the output signal is unstable, and the main power supply filter circuit is used for stabilizing the output signal of the main power supply module, so that the working state of the equipment is more stable.
The present invention may be further configured in a preferred embodiment as: the active power supply filter circuit also comprises an inductor L1 which is connected with the resistor R2 in series.
By adopting the technical scheme, the inductor L1 further stabilizes the signal output by the main power supply module.
The present invention may be further configured in a preferred embodiment as: the active power filter circuit further comprises a capacitor C2, one end of the capacitor C2 is electrically connected to the two ends of the resistor R2 or the inductor L1, and the other end of the capacitor C2 is grounded.
By adopting the technical scheme, the capacitor C2 further stabilizes the signal output by the main power supply module.
The present invention may be further configured in a preferred embodiment as: and the output end of the standby power supply module is in signal connection with a standby power supply filter circuit.
By adopting the technical scheme, the standby power supply filter circuit is used for stabilizing the signal output by the standby power supply module, so that the equipment can stably work when the standby power supply module works.
To sum up, the utility model discloses a following at least one useful technological effect:
1. when the main power supply module cannot be used, the falling edge trigger circuit is triggered, so that the standby power supply module is started after receiving an output signal of the falling edge trigger circuit to supply power, equipment and a detector can continue to work, and the work of a factory is not easily influenced;
through the arrangement of the delay circuit, the influence of an unstable signal on the circuit when the output of the main power supply module is changed from a high level to a low level is effectively buffered;
2. furthermore, through the arrangement of the main power supply filter circuit and the standby power supply filter circuit, signals output by the main power supply module and the standby power supply are effectively stabilized, so that the equipment can be in a stable working state.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
Fig. 2 is a circuit schematic diagram of the falling edge trigger circuit in the present embodiment.
Fig. 3 is a circuit schematic diagram of the delay circuit in the present embodiment.
Fig. 4 is a schematic circuit diagram of the active power filter circuit or the standby power filter circuit in this embodiment.
In the figure, 1, a main power supply module; 2. a standby power supply module; 3. a falling edge trigger circuit; 4. a delay circuit; 5. a main power supply filter circuit; 6. and a standby power supply filter circuit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a dual power supply module, including main power module 1 and stand-by power module 2, main being provided with between power module 1 and the stand-by power module 2 and descending along trigger circuit 3, descending along trigger circuit 3's input electricity is connected main output of power module 1, descending along trigger circuit 3's output signal connection stand-by power module 2's input, still be provided with delay circuit 4 between descending along trigger circuit 3 and the stand-by power module 2.
Referring to fig. 2, the falling edge trigger circuit 3 includes a nor gate AA and a nor gate AB, an input signal of the falling edge trigger circuit 3 is respectively input to an input terminal 1 of the nor gate AA, an input terminal 2 of the nor gate AB and an input terminal 5 of the nor gate AB, an output terminal 3 of the nor gate AA is electrically connected to a resistor R1, one end of the resistor R1, which is far away from the output terminal 3, is electrically connected to a capacitor C1 and an input terminal 6 of the nor gate AB, one end of the capacitor C1, which is far away from the resistor R1, is grounded, and an output signal of an output terminal 4 of the nor gate AB is an output signal.
Referring to fig. 3, the delay circuit 4 includes a 555 time-base circuit, a pin 5 of the 555 time-base circuit is electrically connected to a cathode of a diode VD1, an anode of the diode VD1, a pin 4 and a pin 5 of the 555 time-base circuit are both connected to +12V, a pin 6, a pin 7 and a pin 2 of the 555 time-base circuit are simultaneously electrically connected to a resistor Rt, the other end of the resistor Rt is connected to +12V, a pin 2 of the 555 time-base circuit is also electrically connected to a resistor R10, the other end of the resistor R10 is connected to +12V, a pin 2 of the 555 time-base circuit is simultaneously electrically connected to a patch capacitor Ct and a key of a code wheel input circuit, the other ends of the code wheel input circuit key and the patch capacitor Ct are grounded, a pin 1 of the 555 time-base circuit is grounded, a pin 3 of the time-base circuit is electrically connected to a cathode of.
Referring to fig. 4, the output end of the active power module 1 is further connected with an active power filter circuit 5 through a signal, the active power filter circuit 5 includes a resistor R2, an inductor L1, and a capacitor C2, one end of the resistor R2 is an input end, the other end of the resistor R2 is electrically connected with the inductor L1 and the capacitor C2, one end of the inductor L1 far away from the resistor R2 is an output end, and one end of the capacitor C2 far away from the resistor R2 is grounded.
The output end signal of the standby power supply module 2 is connected with a standby power supply filter circuit 6, and the standby power supply filter circuit 6 and the main power supply filter circuit 5 are arranged in the same way.
The implementation principle of the embodiment is as follows: the output signal of the main power module 1 flows to the equipment after being filtered by a resistor R2, a capacitor C2 and an inductor L1 in sequence; when the main power module 1 is powered off, the output of the main power module 1 is changed from high level to low level, in the process, the input end 1 and the input end 2 of the nor gate AA and the input end 5 of the nor gate AB are all changed from high level to low level, the output end 3 of the nor gate AA is still in the low level state when the input end 1 and the input end 2 of the nor gate are high level, so that the output end 4 of the nor gate AB outputs high level, and then the standby power module 2 is triggered to start; the output signal of the standby power module 2 flows to the equipment after being filtered by a resistor R2, a capacitor C2 and an inductor L1 in sequence.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a dual supply power module, includes mainly uses power module (1) and stand-by power module (2), its characterized in that: a falling edge trigger circuit (3) is arranged between the main power supply module (1) and the standby power supply module (2), the input end of the falling edge trigger circuit (3) is electrically connected with the output end of the main power supply module (1), the output end of the falling edge trigger circuit (3) is in signal connection with the input end of the standby power supply module (2), a delay circuit (4) is further arranged between the falling edge trigger circuit (3) and the standby power supply module (2), the delay circuit (4) comprises a 555 time-base circuit, a pin 5 of the 555 time-base circuit is electrically connected with a cathode of a diode VD1, an anode of the diode VD1, a pin 4 and a pin 5 of the 555 time-base circuit are all connected with VCC, a pin 6, a pin 7 and a pin 2 of the 555 time-base circuit are simultaneously electrically connected with a resistor Rt, the other end of the resistor Rt is connected with VCC, a pin 2 of the time-base circuit is further electrically connected with a resistor R10, resistance R10's another termination VCC, 555 time base circuit's pin 2 is electrically connected with patch capacitor Ct and code wheel input circuit's button simultaneously, code wheel input circuit button with the other end ground connection of patch capacitor Ct, 555 time base circuit's pin 1 ground connection, 555 time base circuit's pin 3 electricity is connected with diode VD 2's negative pole and relay K, diode VD 2's positive pole with the other end ground connection of relay.
2. The dual power supply module of claim 1, wherein: the falling edge trigger circuit (3) comprises a NOR gate AA and a NOR gate AB, input signals of the falling edge trigger circuit (3) are respectively input into an input end 1 and an input end 2 of the NOR gate AA and an input end 5 of the NOR gate AB, an output end 3 of the NOR gate AA is connected with an input end 6 of the NOR gate AB in a signal mode, and an output signal of an output end 4 of the NOR gate AB is an output signal of the falling edge trigger circuit (3).
3. The dual power supply module of claim 2, wherein: a resistor R1 is connected between the output end 3 and the input end 6 in a signal mode.
4. The dual power supply module of claim 3, wherein: one end of the resistor R1 close to the input end 6 is electrically connected with a capacitor C1, and the other end of the capacitor C1 is grounded.
5. The dual power supply module of claim 1, wherein: the output end of the main power supply module (1) is also in signal connection with a main power supply filter circuit (5), and the main power supply filter circuit (5) comprises a resistor R2.
6. The dual power supply module of claim 5, wherein: the active power supply filter circuit (5) further comprises an inductor L1 connected in series with the resistor R2.
7. The dual power supply module of claim 6, wherein: the active power supply filter circuit (5) further comprises a capacitor C2, one end of the capacitor C2 is electrically connected to two ends of the resistor R2 or the inductor L1, and the other end of the capacitor C2 is grounded.
8. The dual power supply module of claim 1, wherein: and the output end of the standby power supply module (2) is in signal connection with a standby power supply filter circuit (6).
CN202020587297.7U 2020-04-18 2020-04-18 Dual-power supply module Active CN211790939U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020587297.7U CN211790939U (en) 2020-04-18 2020-04-18 Dual-power supply module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020587297.7U CN211790939U (en) 2020-04-18 2020-04-18 Dual-power supply module

Publications (1)

Publication Number Publication Date
CN211790939U true CN211790939U (en) 2020-10-27

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020587297.7U Active CN211790939U (en) 2020-04-18 2020-04-18 Dual-power supply module

Country Status (1)

Country Link
CN (1) CN211790939U (en)

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