CN212811576U

CN212811576U - Multi-loop intelligent alternating-current power supply module circuit

Info

Publication number: CN212811576U
Application number: CN202021809439.6U
Authority: CN
Inventors: 贺飞; 李跃
Original assignee: Jiangsu Robt Technology Development Co ltd
Current assignee: Jiangsu Robt Technology Development Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-03-26
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a multiloop intelligence alternating current power supply module circuit, include: the overcurrent protection circuit blocks the overcurrent through the on-off state of the triode to complete the protection of the power module; the overvoltage protection circuit judges and controls the overvoltage through the fuse and the controllable diode; the filter circuit filters interference frequency bands appearing in the alternating current power supply through the parallel capacitors to complete stable output of the alternating current power supply; the 485 communication interface is used for connecting input and output data through a transceiver and the communication interface; the timing control module carries out delay control on the conducted alternating current power supply through a timer; the shunt module adjusts output power in parallel through a resistor; the utility model discloses a power protection, timing control and multi-loop design improve power module application scope.

Description

Multi-loop intelligent alternating-current power supply module circuit

Technical Field

The utility model relates to an alternating current power supply circuit, especially a multiloop intelligence alternating current power supply module circuit.

Background

With the increase of the power of the electric equipment, the requirement of the equipment on the output power of the switching power supply is higher and higher, and in practical application, in order to meet the requirement of high power, a power supply mode of a parallel modular power supply is often adopted, so that the safety of a circuit is reduced.

Current power module can't provide multichannel power output, and then shorten power module's application scope, and set up multichannel power output and can aggravate the line loss, and then can't ensure safety under the circuit running state, can't adjust the power range when dealing with the power demand of different equipment, current power module adopts plug-and-play's mode to change power output, and then can't satisfy time delay control effect, and then electric spark appears in the twinkling of an eye at the plug, and current power module can't filter the frequency point of the frequency in the power cord or frequency beyond the frequency point, thereby unable let the user obtain stable frequency's mains signal, can't in time cut off the transmission of circuit and alarm information when power module circuit appears overflowing overvoltage fault, cause the impaired that power module lasts.

Therefore, in light of the above problems, a multi-loop intelligent ac power module circuit is designed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model provides a multiloop intelligence alternating current power supply module circuit to solve the above-mentioned problem that prior art exists.

The technical scheme is as follows: a multi-loop intelligent AC power supply module circuit, comprising: the utility model discloses a multiloop intelligence alternating current power supply module circuit, include: the overcurrent protection circuit blocks the overcurrent through the on-off state of the triode to complete the protection of the power module; the overvoltage protection circuit judges and controls the overvoltage through the fuse and the controllable diode, so as to protect the safe operation of the circuit; the filter circuit filters interference frequency bands appearing in the alternating current power supply through the parallel capacitors to complete stable output of the alternating current power supply; the 485 communication interface is used for connecting input and output data through the transceiver and the communication interface to complete data conversion; the timing control module carries out delay control on the conducted alternating current power supply through a timer to complete the on-off time of the alternating current power supply; the shunt module adjusts output power in parallel through a resistor to complete output in a low-power state; the utility model discloses a power protection, timing control and multi-loop design improve power module application scope.

In a further embodiment, the over-current protection circuit comprises a transistor Q1, a capacitor C1, a resistor R1, a transistor Q2, a resistor R2, a capacitor C2, and an ammeter a, wherein an emitter terminal of the transistor Q1 is respectively connected with an input end alternating current AC220V, one end of the capacitor C1, and one end of the resistor R1; the base terminal of the triode Q1 is respectively connected with the other end of the capacitor C1, the other end of the resistor R1 and the collector terminal of the triode Q2; the collector terminal of the triode Q1 is respectively connected with a pin 3 of an ammeter A, one end of a capacitor C2, one end of a resistor R2 and the base terminal of a triode Q2; and the emitter terminal of the triode Q2 is respectively connected with the other end of the resistor R2, the other end of the capacitor C2 and the ground wire GND.

In a further embodiment, the overvoltage protection circuit comprises fuse FU1, diode D1, resistor R3, resistor R4, capacitor C3, voltmeter V, controllable diode U1, trigger switch SB1 and diode D2, wherein one end of fuse FU1 is connected with pin 2 of ammeter A; the other end of the fuse FU1 is connected with the negative electrode end of a diode D1, a voltage meter V pin 2, the positive electrode end of a controllable diode U1 and a pin 1 of a trigger switch SB1 respectively; the positive end of the diode D1 is connected with one end of a resistor R3; the other end of the resistor R3 is respectively connected with one end of a capacitor C3, one end of a resistor R4 and a pin 1 of a controllable diode U1; the other end of the capacitor C3 is respectively connected with the other end of the resistor R4, a voltmeter V pin 3, a negative electrode end of the controllable diode U1 and a ground wire GND; pin 1 of the voltmeter V is respectively connected with pin 2 of the trigger switch SB1 and pin 1 of the ammeter A; the positive end of the diode D2 is connected with the input end ni; the negative terminal of the diode D2 is connected to the output terminal no.

In a further embodiment, the filter circuit comprises a resistor R6, a capacitor C6 and a capacitor C7, wherein one end of the resistor R6 is connected with the positive terminal of the capacitor C6 and the pin 3 of the trigger switch SB1 respectively; the negative end of the capacitor C6 is respectively connected with the negative end of the capacitor C7 and the ground wire GND; and the positive end of the capacitor C7 is connected with the other end of the resistor R6.

In a further embodiment, the 485 communication interface comprises a transceiver U3, a capacitor C8, and a port J1, wherein the pin 3 and the pin 4 of the transceiver U3 are connected to the positive terminal of the capacitor C7 and the other terminal of the resistor R6; the pin 7 of the transceiver U3 is respectively connected with the positive terminal of a capacitor C8 and a pin 1 of a port J1; and the pin 6 of the transceiver U3 is respectively connected with the negative electrode end of the capacitor C8 and the pin 2 of the port J1.

In a further embodiment, the timing control module includes a resistor R5, a variable resistor RV1, a capacitor C4, a switch SB2, a capacitor C5, a timer U2, a relay S, and a switch S1, wherein the pin 8 of the timer U2 is connected to one end of the resistor R5, one end of the switch S1, the pin 3 and the pin 4 of the transceiver U3, the positive terminal of the capacitor C7, and the other end of the resistor R6, respectively; the other end of the resistor R5 is connected with a pin 2 of a variable resistor RV 1; pin 1 of the variable resistor RV1 is connected with pin 4 of a timer U2; the pin 3 of the variable resistor RV1 is respectively connected with one end of a switch SB2, the positive end of a capacitor C4 and a pin 2 of a timer U2; pin 1 of the timer U2 is connected with the positive end of a capacitor C5; the other end of the switch SB2 is respectively connected with the negative electrode end of the capacitor C4, the negative electrode end of the capacitor C5, one end of the relay S and the ground wire GND; the other end of the relay S1 is connected with a pin 3 of a timer U2; the other end of the switch S1 is connected to the output terminal OUT.

In a further embodiment, the shunt module includes a resistor R7, a resistor R8, a resistor R9, and a resistor R10, wherein one end of the resistor R7 is connected to one end of a resistor R8, one end of a resistor R9, one end of a resistor R10, an emitter terminal of a transistor Q1, an input AC220V, one end of a capacitor C1, and one end of a resistor R1, respectively; the resistor R7 is respectively connected with the other end of the resistor R8 and a ground wire GND; the other end of the resistor R9 is respectively connected with the other end of the resistor R10 and a ground wire GND.

In a further embodiment, the diode D1 is a zener diode; the model of the triode Q1 is PNP; the model of the triode Q2 is NPN; the capacitor C4, the capacitor C5, the capacitor C6, the capacitor C7 and the capacitor C8 are all electrolytic capacitors; the model of the transceiver U3 is MAX 485; the timer U2 is of type 555.

Has the advantages that: the utility model relates to a multi-loop intelligent AC power supply module circuit, which can support the high-power load power supply requirements of a lamp post charging pile, a 5G micro base station and a lamp post LED screen by setting four independent loops of AC output, and further improve the safety of a high-power output power supply module by setting an overcurrent and overvoltage protection circuit in each independent loop, thereby further protecting the safety of AC electric equipment, when the power requirements of different equipment are met, the current value is adjusted by adopting the characteristic of shunt in parallel through resistors in the original circuit, thereby meeting the low-power electric equipment, the change of shunt current is reduced by double-group resistors, electric sparks are generated at the moment of inserting and pulling out an AC power supply module through timing control, in order to prevent the AC electric power supply from generating the fusion of interference frequency bands in the circuit output and the component conversion, the stability of the output AC electric power supply is regulated and controlled by the capacitors in a filter circuit, the conversion of the trigger switch is controlled through the power calculation of the current meter and the voltmeter, so that the output loop can be automatically cut off and alarm information can be uploaded through the conversion of a line path when an overcurrent and overvoltage fault occurs.

Drawings

Fig. 1 is a circuit diagram of the module of the present invention.

Fig. 2 is the overcurrent protection circuit diagram of the present invention.

Fig. 3 is a circuit diagram of the overvoltage protection circuit of the present invention.

Fig. 4 is a circuit diagram of the filter of the present invention.

Fig. 5 is a 485 communication interface circuit diagram of the present invention.

Fig. 6 is a circuit diagram of the timing control module of the present invention.

Fig. 7 is a circuit diagram of the shunt module of the present invention.

Detailed Description

Referring to fig. 1 to 7, a multi-loop intelligent ac power module circuit includes: the overcurrent protection circuit comprises a triode Q1, a capacitor C1, a resistor R1, a triode Q2, a resistor R2, a capacitor C2 and an ammeter A.

The overvoltage protection circuit comprises a fuse FU1, a diode D1, a resistor R3, a resistor R4, a capacitor C3, a voltmeter V, a controllable diode U1, a trigger switch SB1 and a diode D2.

The filter circuit comprises a resistor R6, a capacitor C6 and a capacitor C7.

The 485 communication interface comprises a transceiver U3, a capacitor C8 and a port J1.

The timing control module comprises a resistor R5, a variable resistor RV1, a capacitor C4, a switch SB2, a capacitor C5, a timer U2, a relay S and a switch S1.

The shunt module comprises a resistor R7, a resistor R8, a resistor R9 and a resistor R10.

An emitter terminal of the triode Q1 in the overcurrent protection circuit is respectively connected with an input end alternating current AC220V, one end of a capacitor C1 and one end of a resistor R1; the base terminal of the triode Q1 is respectively connected with the other end of the capacitor C1, the other end of the resistor R1 and the collector terminal of the triode Q2; the collector terminal of the triode Q1 is respectively connected with a pin 3 of an ammeter A, one end of a capacitor C2, one end of a resistor R2 and the base terminal of a triode Q2; and the emitter terminal of the triode Q2 is respectively connected with the other end of the resistor R2, the other end of the capacitor C2 and the ground wire GND.

One end of the fuse FU1 in the overvoltage protection circuit is connected with a pin 2 of an ammeter A; the other end of the fuse FU1 is connected with the negative electrode end of a diode D1, a voltage meter V pin 2, the positive electrode end of a controllable diode U1 and a pin 1 of a trigger switch SB1 respectively; the positive end of the diode D1 is connected with one end of a resistor R3; the other end of the resistor R3 is respectively connected with one end of a capacitor C3, one end of a resistor R4 and a pin 1 of a controllable diode U1; the other end of the capacitor C3 is respectively connected with the other end of the resistor R4, a voltmeter V pin 3, a negative electrode end of the controllable diode U1 and a ground wire GND; pin 1 of the voltmeter V is respectively connected with pin 2 of the trigger switch SB1 and pin 1 of the ammeter A; the positive end of the diode D2 is connected with the input end ni; the negative terminal of the diode D2 is connected to the output terminal no.

As shown in fig. 3, the input ni is a pin of the trigger switch SB 1; the output terminal no is an overvoltage output terminal of the overvoltage protection circuit; the diode D2 limits the conductive transmission direction, controls the operation of the trigger switch SB1 according to the change of the detection value of the voltmeter V, and can quickly cut off an output loop when overcurrent and overvoltage occur.

One end of the resistor R6 in the filter circuit is respectively connected with the positive end of the capacitor C6 and the pin 3 of the trigger switch SB 1; the negative end of the capacitor C6 is respectively connected with the negative end of the capacitor C7 and the ground wire GND; and the positive end of the capacitor C7 is connected with the other end of the resistor R6.

The pin 3 and the pin 4 of the transceiver U3 in the 485 communication interface are both connected with the positive end of a capacitor C7 and the other end of a resistor R6; the pin 7 of the transceiver U3 is respectively connected with the positive terminal of a capacitor C8 and a pin 1 of a port J1; and the pin 6 of the transceiver U3 is respectively connected with the negative electrode end of the capacitor C8 and the pin 2 of the port J1.

The pin 8 of the timer U2 in the timing control module is respectively connected with one end of a resistor R5, one end of a switch S1, a pin 3 and a pin 4 of a transceiver U3, the positive terminal of a capacitor C7 and the other end of a resistor R6; the other end of the resistor R5 is connected with a pin 2 of a variable resistor RV 1; pin 1 of the variable resistor RV1 is connected with pin 4 of a timer U2; the pin 3 of the variable resistor RV1 is respectively connected with one end of a switch SB2, the positive end of a capacitor C4 and a pin 2 of a timer U2; pin 1 of the timer U2 is connected with the positive end of a capacitor C5; the other end of the switch SB2 is respectively connected with the negative electrode end of the capacitor C4, the negative electrode end of the capacitor C5, one end of the relay S and the ground wire GND; the other end of the relay S1 is connected with a pin 3 of a timer U2; the other end of the switch S1 is connected to the output terminal OUT.

One end of the resistor R7 in the shunting module is respectively connected with one end of a resistor R8, one end of a resistor R9, one end of a resistor R10, an emitter end of a triode Q1, an input end alternating current AC220V, one end of a capacitor C1 and one end of a resistor R1; the resistor R7 is respectively connected with the other end of the resistor R8 and a ground wire GND; the other end of the resistor R9 is respectively connected with the other end of the resistor R10 and a ground wire GND.

The working principle is as follows: the switch SB2 is closed to supply power to the timing control module, so that each module can normally operate, the overcurrent protection circuit obtains the loop of the alternating current power supply by closing the switch SB2, the triode Q1 and the triode Q2 form a self-locking circuit, the transmission of alternating current is blocked when the overcurrent phenomenon occurs in the transmission of the alternating current power supply, the response of the triode is improved by storing electric energy through the capacitor C1 and the capacitor C2, the numerical value of the load current of the circuit is protected by using the fuse FU1 resistance parameter, the diode D1 limits the transmission direction of conduction, the voltage value transmitted is detected through the voltmeter V, the consumption of the electric energy is further calculated according to the measurement parameter of the ammeter A, the measurement parameter of the voltmeter V and the operation time, the operation of the trigger switch SB1 is controlled according to the detection value change of the ammeter A and the voltmeter V, so that the output loop can be quickly cut off when the overcurrent occurs, thereby make alarm module obtain alarm command, and then upload alarm information, electric capacity C6 and electric capacity C7 filter the interference frequency channel in the power through parallel circuit, the transmission of communication data is realized to rethread transceiver U3, timer U2 gets electric through switch SB 2' S closure, carry out timing output to the alternating current of switch-on, thereby satisfy power break-make under the different time, rethread relay S adsorbs switch S1 and realizes the output of alternating current, accomplish the control of instruction, power module application scope is improved.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.

Claims

1. The utility model provides a multiloop intelligence alternating current power supply module circuit, characterized by includes: the overcurrent protection circuit blocks the overcurrent through the on-off state of the triode to complete the protection of the power module; the overvoltage protection circuit judges and controls the overvoltage through the fuse and the controllable diode, so as to protect the safe operation of the circuit; the filter circuit filters interference frequency bands appearing in the alternating current power supply through the parallel capacitors to complete stable output of the alternating current power supply; the 485 communication interface is used for connecting input and output data through the transceiver and the communication interface to complete data conversion; the timing control module carries out delay control on the conducted alternating current power supply through a timer to complete the on-off time of the alternating current power supply; the shunt module adjusts output power in parallel through a resistor to complete output in a low-power state; the over-current protection circuit comprises a triode Q1, a capacitor C1, a resistor R1, a triode Q2, a resistor R2, a capacitor C2 and an ammeter A, wherein the emitter terminal of the triode Q1 is respectively connected with an input end alternating current AC220V, one end of the capacitor C1 and one end of the resistor R1; the base terminal of the triode Q1 is respectively connected with the other end of the capacitor C1, the other end of the resistor R1 and the collector terminal of the triode Q2; the collector terminal of the triode Q1 is respectively connected with a pin 3 of an ammeter A, one end of a capacitor C2, one end of a resistor R2 and the base terminal of a triode Q2; and the emitter terminal of the triode Q2 is respectively connected with the other end of the resistor R2, the other end of the capacitor C2 and the ground wire GND.

2. The multi-loop intelligent alternating current power supply module circuit as claimed in claim 1, wherein: the overvoltage protection circuit comprises a fuse FU1, a diode D1, a resistor R3, a resistor R4, a capacitor C3, a voltmeter V, a controllable diode U1, a trigger switch SB1 and a diode D2, wherein one end of the fuse FU1 is connected with a pin 2 of an ammeter A; the other end of the fuse FU1 is connected with the negative electrode end of a diode D1, a voltage meter V pin 2, the positive electrode end of a controllable diode U1 and a pin 1 of a trigger switch SB1 respectively; the positive end of the diode D1 is connected with one end of a resistor R3; the other end of the resistor R3 is respectively connected with one end of a capacitor C3, one end of a resistor R4 and a pin 1 of a controllable diode U1; the other end of the capacitor C3 is respectively connected with the other end of the resistor R4, a voltmeter V pin 3, a negative electrode end of the controllable diode U1 and a ground wire GND; pin 1 of the voltmeter V is respectively connected with pin 2 of the trigger switch SB1 and pin 1 of the ammeter A; the positive end of the diode D2 is connected with the input end ni; the negative end of the diode D2 is connected with the output end no; the input end ni is a pin of a trigger switch SB 1; the output terminal no is an overvoltage output terminal of the overvoltage protection circuit; the diode D2 limits the conductive transmission direction, controls the operation of the trigger switch SB1 according to the change of the detection value of the voltmeter V, and can quickly cut off an output loop when overcurrent and overvoltage occur.

3. The multi-loop intelligent alternating current power supply module circuit as claimed in claim 1, wherein: the filter circuit comprises a resistor R6, a capacitor C6 and a capacitor C7, wherein one end of the resistor R6 is respectively connected with the positive end of the capacitor C6 and a pin 3 of a trigger switch SB 1; the negative end of the capacitor C6 is respectively connected with the negative end of the capacitor C7 and the ground wire GND; and the positive end of the capacitor C7 is connected with the other end of the resistor R6.

4. The multi-loop intelligent alternating current power supply module circuit as claimed in claim 1, wherein: the 485 communication interface comprises a transceiver U3, a capacitor C8 and a port J1, wherein a pin 3 and a pin 4 of the transceiver U3 are connected with the positive end of the capacitor C7 and the other end of the resistor R6; the pin 7 of the transceiver U3 is respectively connected with the positive terminal of a capacitor C8 and a pin 1 of a port J1; and the pin 6 of the transceiver U3 is respectively connected with the negative electrode end of the capacitor C8 and the pin 2 of the port J1.

5. The multi-loop intelligent alternating current power supply module circuit as claimed in claim 1, wherein: the timing control module comprises a resistor R5, a variable resistor RV1, a capacitor C4, a switch SB2, a capacitor C5, a timer U2, a relay S and a switch S1, wherein a pin 8 of the timer U2 is respectively connected with one end of the resistor R5, one end of the switch S1, a pin 3 and a pin 4 of the transceiver U3, a positive end of the capacitor C7 and the other end of the resistor R6; the other end of the resistor R5 is connected with a pin 2 of a variable resistor RV 1; pin 1 of the variable resistor RV1 is connected with pin 4 of a timer U2; the pin 3 of the variable resistor RV1 is respectively connected with one end of a switch SB2, the positive end of a capacitor C4 and a pin 2 of a timer U2; pin 1 of the timer U2 is connected with the positive end of a capacitor C5; the other end of the switch SB2 is respectively connected with the negative electrode end of the capacitor C4, the negative electrode end of the capacitor C5, one end of the relay S and the ground wire GND; the other end of the relay S1 is connected with a pin 3 of a timer U2; the other end of the switch S1 is connected to the output terminal OUT.

6. The multi-loop intelligent alternating current power supply module circuit as claimed in claim 1, wherein: the shunt module comprises a resistor R7, a resistor R8, a resistor R9 and a resistor R10, wherein one end of the resistor R7 is respectively connected with one end of a resistor R8, one end of a resistor R9, one end of a resistor R10, an emitter end of a triode Q1, input end alternating current AC220V, one end of a capacitor C1 and one end of a resistor R1; the resistor R7 is respectively connected with the other end of the resistor R8 and a ground wire GND; the other end of the resistor R9 is respectively connected with the other end of the resistor R10 and a ground wire GND.