CN217087785U

CN217087785U - Built-in integrated power supply circuit of on-off device

Info

Publication number: CN217087785U
Application number: CN202123425842.6U
Authority: CN
Inventors: 彭国允; 吴永增
Original assignee: Shenzhen Dark Energy Power Supply Co ltd
Current assignee: Shenzhen Dark Energy Power Supply Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-29
Anticipated expiration: 2031-12-31

Abstract

The utility model provides a built-in integrated power supply circuit of break-make ware, aim at satisfy the power supply demand of plug-and-play break-make ware's inside module, its characterized in that: the built-in integrated power supply circuit is provided with a voltage input end connected with the AC input end and a voltage output end for providing direct current voltage; the voltage input circuit, the rectifying circuit, the constant voltage driving circuit and the voltage output circuit are sequentially connected and arranged between the voltage input end and the voltage output end, the voltage input circuit is connected with the AC input end, and the voltage output circuit is provided with at least one voltage output end for providing direct-current voltage. When the on-off ware inserts AC220V alternating current, this circuit realizes the alternating current-direct current conversion in step in order to provide the supply voltage of each inside functional module of adaptation on-off ware, does to connect promptly and uses, need not to add extra power for the on-off ware, makes on-off ware structural integration, and installation and use experience degree are better.

Description

Built-in integrated power supply circuit of on-off device

Technical Field

The utility model relates to an integrated power supply circuit is put to break-make machine.

Background

In smart home, power supply control of various electric appliances/electric appliance systems is mainly involved, and users turn off/on the electric appliances through a remote controller, a mobile phone and the like according to actual requirements. For the traditional electrical appliance/electrical appliance system, the electrical appliance/electrical appliance system itself may not have a remote control function, so that an on-off device which can be remotely controlled and participate in the smart home networking needs to be considered, and the on-off device is mainly connected to a power supply line of the electrical appliance/electrical appliance system. In order to perform on/off control and external communication, devices such as a control chip, a communication chip, a switching device and the like are required, and the devices all need direct current supply support.

SUMMERY OF THE UTILITY MODEL

The utility model provides a built-in integrated power supply circuit of break-make ware satisfies the power supply demand of the inside module of plug-and-play break-make ware, and it specifically realizes through following technical means:

the built-in integrated power supply circuit of the on-off device of the utility model is provided with a voltage input end connected with the AC input end and a voltage output end providing direct current voltage; the voltage input circuit, the rectifying circuit, the constant voltage driving circuit and the voltage output circuit are sequentially connected and arranged between the voltage input end and the voltage output end, the voltage input circuit is connected with the AC input end, and the voltage output circuit is provided with at least one voltage output end for providing direct-current voltage.

In one or more embodiments of the present invention, a first filter capacitor set is disposed between the rectifier circuit and the constant voltage driving circuit, a second filter capacitor set is disposed between the constant voltage driving circuit and the voltage output circuit, and at least one electrolytic capacitor is respectively included in the first filter capacitor set and the second filter capacitor set.

In one or more embodiments of the present invention, the first filter capacitor set includes a capacitor C1 and an electrolytic capacitor EC1 connected in parallel; the second filter capacitor bank comprises a capacitor C3 and an electrolytic capacitor EC2 which are connected in parallel.

In one or more embodiments of the present invention, the voltage input circuit includes a fuse FR1 and a varistor MOV1, and the varistor MOV1 is connected in parallel to the input terminal of the rectifier circuit.

In one or more embodiments of the present invention, the constant voltage driving circuit includes a constant voltage driving chip U1 of type BP2525B, an inductor L1, a capacitor C2, a diode D1, and a diode D2; the DRAIN pin of the constant voltage driving chip U1 is connected to the input end of the constant voltage driving circuit, the SEL pin, the GND pin and the CS pin of the constant voltage driving chip U1 are connected to one end of an inductor L1, and the end is grounded through a diode D2; the other end of the inductor L1 and the anode of the diode D1 are connected to the output end of the constant-voltage driving circuit; the cathode of the diode D1 is connected with the VCC end of the constant voltage driving chip U1, and a capacitor C2 is connected between the cathode of the diode D1 and the cathode of the diode D2.

In one or more embodiments of the present invention, the voltage output circuit includes a first voltage output terminal and a second voltage output terminal; a resistor R2 is connected between the output end of the constant voltage driving circuit and the ground end, and the high potential end of the resistor R2 is the first voltage output end; and a voltage stabilizing and reducing module U2 is arranged between the first voltage output end and the second voltage output end, and the input end and the output end of the voltage stabilizing and reducing module U2 are respectively connected with a plurality of filter capacitors.

In one or more embodiments of the present invention, a magnetic bead FB1 is disposed between the first voltage output end and the voltage stabilizing and reducing module U2.

The utility model has the advantages that: when the on-off ware inserts AC220V alternating current, this circuit realizes the alternating current-direct current conversion in step in order to provide the supply voltage of each inside functional module of adaptation on-off ware, starts internal circuit then and realizes the on-off control to the electrical apparatus system with electrical apparatus of articulate in the AC output end, accomplishes to connect promptly and uses, need not to add extra power for the on-off ware, makes the on-off ware structural integration, and installation and use experience degree are better.

Drawings

Fig. 1 is a schematic block diagram of an on-off circuit according to the present invention.

Fig. 2 is a schematic diagram of the power supply circuit of the present invention.

Fig. 3 is a schematic diagram of the on-off circuit of the present invention.

Detailed Description

The application is further described below with reference to the accompanying drawings:

referring to fig. 1 to 3, the on-off device is provided with a group of AC input terminals 1 and at least one group of AC output terminals 2, and the on and off of each AC output terminal 2 and the AC input terminal 1 is controlled by an internal circuit; the internal circuit comprises a control circuit 3 and an on-off circuit 4, the on-off circuit 4 is controlled by the control circuit 1 to enable the AC output ends 2 to be synchronously connected, the control module 3 comprises a single chip microcomputer 31 and a wireless communication module 32, and the single chip microcomputer 31 is connected with the on-off circuit 4. The terminal such as cell-phone gives operating instruction just can realize through wireless network to intelligence accuse type on-off ware circuit and articulate in AC output 2 with the switching on and off control of electrical apparatus system, can satisfy each AC output 2 and put through in step, for example, to the lighting system in the exhibition room, the control of ventilation system etc. or illumination control under the outdoor occasion again, projection control etc. and direct current with the direct additional dress of electrical apparatus system's power supply end can, convenient and fast, be applicable to the power consumption occasion that the demand was synthesized and is arranged the accuse. Specifically, the on-off circuit 4 includes a relay RLY1, a triode Q1 and a diode D3, one end of a switch portion of the relay RLY1 is connected with an AC input end, the other end is connected with one or more AC output ends 2, one end of an electromagnetic portion of the relay RLY1 is connected with a direct current source, the other end is grounded through the triode Q1, a control electrode of the triode Q1 is connected with a single chip microcomputer of the control module, the single chip microcomputer receives an instruction obtained by the wireless communication module to realize on/off control on the electromagnetic portion of the relay RLY1, and the single chip microcomputer can also feed back the current on-off state to an upper system through the wireless communication module. A diode D3 is connected in parallel with two ends of the electromagnetic part of the relay RLY1, the cathode of the diode D3 is connected with the collector of the triode Q1 and is grounded through a capacitor C18, the anode of the diode D3 is connected with a direct current source, and transient current protection is realized through the diode D3 and the capacitor C18.

The input end of the on-off device built-in integrated power supply circuit 6 is connected with the AC input end 1, the output end of the on-off device built-in integrated power supply circuit at least provides a direct-current voltage output, power can be supplied to an internal circuit, an external power supply is not needed, wiring is convenient, and the on-off device can be used immediately. The power supply circuit 6 comprises a voltage input circuit 61, a rectifying circuit 62, a constant voltage driving circuit 63 and a voltage output circuit 64 which are connected in sequence, wherein the voltage input circuit 61 is connected with an AC input end, and the voltage output circuit 64 is provided with a first voltage output end (+5V) and a second voltage output end (+3.3V) and meets the power supply voltage of devices such as a relay RLY1 and a single chip 31 machine. A first filter capacitor bank is arranged between the rectifying circuit 62 and the constant voltage driving circuit 63, a second filter capacitor bank is arranged between the constant voltage driving circuit 63 and the voltage output circuit 64, and the first filter capacitor bank comprises a capacitor C1 and an electrolytic capacitor EC1 which are connected in parallel; the second filter capacitor bank comprises a capacitor C3 and an electrolytic capacitor EC2 which are connected in parallel.

The voltage input circuit 61 comprises a fuse FR1 and a voltage dependent resistor MOV1, the rectifier circuit 62 comprises a rectifier bridge BD1, and the voltage dependent resistor MOV1 is connected in parallel with an input end of the rectifier bridge BD 1; the constant voltage driving circuit 63 comprises a constant voltage driving chip U1 with the model number of BP2525B, an inductor L1, a capacitor C2, a diode D1 and a diode D2; the DRAIN pin of the constant voltage driving chip U1 is connected to the input terminal of the constant voltage driving circuit 63, the SEL pin, the GND pin and the CS pin of the constant voltage driving chip U1 are commonly connected to one end of the inductor L1, and the end is grounded through the diode D2; the other end of the inductor L1 and the anode of the diode D1 are connected to the output end of the constant voltage driving circuit 63; the cathode of the diode D1 is connected with the VCC end of the constant voltage driving chip U1, and a capacitor C2 is connected between the cathode of the diode D1 and the cathode of the diode D2. A resistor R2 is connected between the output end of the constant voltage driving circuit 63 and the ground end, and the high potential end of the resistor R2 is the first voltage output end (+ 5V); a voltage stabilizing and reducing module U2 is arranged between the first voltage output end (+5V) and the second voltage output end (+3.3V), and the model number of the voltage stabilizing and reducing module U2 is HT 7333; the input end and the output end of the voltage stabilizing and reducing module U2 are respectively connected with a plurality of filter capacitors. And a magnetic bead FB1 is arranged between the input end of the voltage stabilizing and reducing module U2 and the first voltage output end, and the parameter of the magnetic bead is 600R/M.

The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.

Claims

1. An integrated power supply circuit with built-in on-off device is characterized by comprising a voltage input end connected with an AC input end and a voltage output end for providing direct current voltage; the voltage input circuit, the rectifying circuit, the constant voltage driving circuit and the voltage output circuit are sequentially connected and arranged between the voltage input end and the voltage output end, the voltage input circuit is connected with the AC input end, and the voltage output circuit is provided with at least one voltage output end for providing direct-current voltage.

2. The integrated power supply circuit with built-in switch according to claim 1, wherein a first filter capacitor bank is disposed between the rectifying circuit and the constant voltage driving circuit, a second filter capacitor bank is disposed between the constant voltage driving circuit and the voltage output circuit, and at least one electrolytic capacitor is included in each of the first filter capacitor bank and the second filter capacitor bank.

3. The integrated power supply circuit with built-in switch as claimed in claim 2, wherein the first filtering capacitor bank comprises a capacitor C1 and an electrolytic capacitor EC1 connected in parallel; the second filter capacitor bank comprises a capacitor C3 and an electrolytic capacitor EC2 which are connected in parallel.

4. The integrated power supply circuit with built-in switch of claim 1, wherein the voltage input circuit comprises a fuse FR1 and a voltage dependent resistor MOV1, and the voltage dependent resistor MOV1 is connected in parallel with the input end of the rectifying circuit.

5. The integrated power supply circuit with built-in switch of claim 1, wherein the constant voltage driving circuit comprises a constant voltage driving chip U1 with model number BP2525B, an inductor L1, a capacitor C2, diodes D1 and D2; the DRAIN pin of the constant voltage driving chip U1 is connected to the input end of the constant voltage driving circuit, the SEL pin, the GND pin and the CS pin of the constant voltage driving chip U1 are connected to one end of an inductor L1, and the end is grounded through a diode D2; the other end of the inductor L1 and the anode of the diode D1 are connected to the output end of the constant voltage driving circuit in common; the cathode of the diode D1 is connected with the VCC end of the constant voltage driving chip U1, and a capacitor C2 is connected between the cathode of the diode D1 and the cathode of the diode D2.

6. The integrated power supply circuit with built-in switch according to claim 5, wherein the voltage output circuit comprises a first voltage output terminal and a second voltage output terminal; a resistor R2 is connected between the output end of the constant voltage driving circuit and the ground end, and the high potential end of the resistor R2 is the first voltage output end; and a voltage stabilizing and reducing module U2 is arranged between the first voltage output end and the second voltage output end, and the input end and the output end of the voltage stabilizing and reducing module U2 are respectively connected with a plurality of filter capacitors.

7. The integrated power supply circuit with built-in switch according to claim 6, wherein a magnetic bead FB1 is disposed between the first voltage output terminal and the regulated voltage reduction module U2.