Power supply control system with user identity recognition function
By designing a power supply control system that integrates password door locks, door card identifiers, wireless modules, infrared detectors and AC contactors, the problem of traditional card power-taking switches being single and unable to achieve energy-saving and environmental protection, the identity identification, permission restrictions and automatic power-off functions are achieved, and the purpose of energy-saving and environmental protection and convenient management is achieved.
Patent Information
- Application Number
- CN202510040059.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2025-03-14
AI Technical Summary
The traditional card power-taking switch has a single function and complex wiring, which cannot achieve energy saving and environmental protection, and cannot limit the usage time and use of controlled power by unauthorized persons.
Design a power supply control system that identifies the user's identity function, including password door locks, door card identifiers, wireless modules, infrared detectors and AC contactors, and use these components to realize identity identification, permission limits, time limits and automatic power outage functions.
It achieves convenient installation without rewiring, and can limit power supply according to user identity and time, achieving the purpose of energy conservation and environmental protection, and is convenient for management.
Smart Images

Figure CN119628243A_ABST
Abstract
Description
Technical Field
[0001] The present invention specifically relates to a power supply control system with a function of identifying a user's identity. Background Art
[0002] With the continuous progress of social economy and the continuous improvement of living standards, card-insertion power switches are used in hotels, guesthouses, apartments, schools, etc., while traditional card-insertion power switches mainly use IC cards to draw power and remove IC cards to cut off power. They have single functions and complex wiring. Long-term card insertion will continue to supply power, which has no effect on energy conservation and environmental protection, and cannot limit the use time or limit unauthorized persons from using controlled power. Summary of the invention
[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the present invention is to propose a power supply control system with a user identification function, which is easy to install: replacement does not require rewiring, and only needs to be installed in the distribution box; in addition, it can achieve power supply when someone is there and power is cut off when no one is there, which is energy-saving and environmentally friendly; furthermore, it can be conveniently managed according to the authority restriction and time restriction functions.
[0004] This is achieved according to the present invention through the following scheme.
[0005] A power supply control system with a user identification function includes a password door lock, wherein a door card identifier and a door lock wireless module U1 are arranged in the password door lock, and the door card identifier and the door lock wireless module U1 are connected.
[0006] It also includes a control panel, an infrared detector and an AC contactor.
[0007] The control board is provided with an Ethernet module P2 and a control chip IC1, and the Ethernet module P2 and the control chip IC1, and the door lock wireless module U1 communicate with the Ethernet module P2.
[0008] The infrared detector is connected to a wireless module U4, and the wireless module U4 can communicate with the Ethernet module P2.
[0009] AC contactor: used to connect electrical appliances and / or lamps to turn on, the control end of the AC contactor is connected to the control board.
[0010] Specifically, the control board also includes a rectifier circuit, a power supply circuit, a chip control switch, a clock storage circuit, an indicator light circuit and a relay control circuit. The rectifier circuit is connected to the power supply circuit, and the power supply circuit is respectively powered by the control chip IC1, the clock storage circuit and the indicator light circuit. The control chip IC1 is respectively connected to the relay control circuit, the indicator light circuit and the auxiliary connector, and the relay control circuit is connected to the control end of the AC contactor.
[0011] Specifically, the rectifier circuit includes a first connector J1 and a rectifier bridge D1, the first connector J1 and the rectifier bridge D1 are connected, pin 2 of the rectifier bridge D1 outputs a 12V power supply, and pin 4 of the rectifier bridge D1 is connected to a ground terminal GND.
[0012] Specifically, the relay circuit includes a first relay circuit and a second relay circuit, the control end of the first relay circuit and the control end of the second relay circuit are respectively connected to the control chip IC1, the first relay circuit includes a first relay H1, a first transistor H3, a sixth resistor R6, a second diode D2 and a fifth resistor R5, the collector of the first transistor N3 is connected to one end of the first relay H1 through the fifth resistor R5, the common end between the fifth resistor R5 and the collector of the first transistor H3 is also connected to the second diode D2, the other end of the second diode D2 is connected to the 12V+ end, and the 12V+ end is also connected to the first relay H1, the base of the first transistor H3 is connected to the sixth resistor R6, and the other end of the sixth resistor R6 is connected to the 26th pin of the control chip IC1.
[0013] The second relay circuit includes a second relay H2, a second triode H4, a seventh resistor R7, a third diode D3 and an eighth resistor R8. The collector of the second triode H4 is connected to one end of the second relay H2 through the seventh resistor R7. The common end between the seventh resistor R7 and the collector of the second triode H4 is also connected to the third diode D3. The other end of the third diode D3 is connected to the 12V+ end, and the 12V+ end is also connected to the second relay H2. The other end of the eighth resistor R8 is connected to pin 25 of the control chip IC1.
[0014] Specifically, the indicator light circuit includes an indicator light control chip U5 and an LED light group. The indicator light control chip U5 is connected to the LED light group. Pins 6 to 12 of the indicator light control chip U5 are respectively connected to the LED light group. The LED light group includes a first light-emitting diode LED1, a second light-emitting diode LED2, a third light-emitting diode LED3, a fourth light-emitting diode LED4, a fifth light-emitting diode LED5, a sixth light-emitting diode LED6, a seventh light-emitting diode LED7 and an eighth light-emitting diode LED8. The first light-emitting diode LED1 is connected to a ninth resistor R9, the second light-emitting diode LED2 is connected to a tenth resistor R10, the third light-emitting diode LED3 is connected to an eleventh resistor R11, the fourth light-emitting diode LED4 is connected to a twelfth resistor R12, the fifth light-emitting diode LED5 is connected to a thirteenth resistor R13, the sixth light-emitting diode LED6 is connected to a fourteenth resistor R14, the seventh light-emitting diode LED7 is connected to a fifteenth resistor R15, the eighth light-emitting diode LED8 is connected to a sixteenth resistor R16, and the other end of the eighth light-emitting diode LED8 is connected to a first switch K1, and the first switch K1 is connected to a ground terminal GND.
[0015] Specifically, the Ethernet module P2 is connected to the WIFI connector P1.
[0016] Specifically, the clock storage circuit includes a clock storage chip U1, a ceramic capacitor XT, a third resistor R3, a fourth resistor R4, a first diode D1 and a VCC terminal, the first diode D1 is connected to the VCC terminal, the other end of the first diode D1 is connected to pin 8 of the storage chip U1, pin 3 of the storage chip U1 is connected to the third resistor R3, pin 4 of the storage chip U1 is connected to the fourth resistor R4, the common terminal between the third resistor R3 and the fourth resistor R4 is connected to the VCC terminal, pin 7 of the storage chip U1 is connected to pin 37 of the control chip IC1, and the ceramic capacitor XT is connected to pin 2 of the clock storage chip U1.
[0017] Specifically, the present circuit also includes a power supply circuit, the power supply circuit includes a first power supply circuit and a second power supply circuit, the first power supply circuit includes a first step-down chip U1, a first electrolytic capacitor E1, a first capacitor C1, a second capacitor C2 and a second electrolytic capacitor E2, the VIN end of the first step-down chip U1 is respectively connected to the first electrolytic capacitor E1 and the first capacitor C1, the common end of the first electrolytic capacitor E1 and the first capacitor C1 is connected to the GND end of the step-down chip U4, the VOUT end of the step-down chip U4 is respectively connected to the second capacitor C2 and the second electrolytic capacitor E2, and the common end of the thirteenth capacitor C13 and the fourth electrolytic capacitor E4 is connected to the GND end of the step-down chip U4.
[0018] Specifically, the lamp body is at least one, the number of infrared detectors is at least one, and the number of AC contactors is at least one. The AC contactors are divided into a first AC contactor and a second AC contactor, the first AC contactor is connected to the lamp body or the electrical appliance, and the second AC contactor is connected to the lamp body or the electrical appliance.
[0019] Specifically, it also includes a power switch control box and an air switch. The control panel is arranged in the power switch control box, and the air switch supplies power to the power switch control box and the AC contactor respectively.
[0020] The beneficial effects of the present invention are as follows: the circuit is easy to install through the combination of the infrared detector and the wireless module U4, and no rewiring is required for replacement, and it only needs to be installed in the distribution box; in addition, the infrared detector, the control panel and the AC contactor are combined, the infrared detector detects whether there is someone in the room, and the control panel implements the opening or closing of the AC contactor according to the result of the infrared detector detection, so as to achieve power supply when there are people and power off when there are no people, which is environmentally friendly; furthermore, the control panel and the door card identifier in the password door lock are combined, the door card identifier identifies the user identity information and feeds it back to the control panel, and the control panel manages the opening of the lamp body and the electrical appliances according to the authority restriction and time limit information, which facilitates management. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments with reference to the following drawings.
[0022] Figure 1 It is a structural schematic diagram of the present invention.
[0023] Figure 2 It is a schematic diagram of the connection structure of the air switch, the power switch control box, the first AC contactor, the second AC contactor, the lamp body and the electrical appliance of the present invention.
[0024] Figure 3 It is a schematic diagram of the connection between the rectifier bridge stack and the first joint J1 of the present invention.
[0025] Figure 4 This is the first step-down circuit diagram of the present invention.
[0026] Figure 5 This is the second step-down circuit diagram of the present invention.
[0027] Figure 6 It is a schematic diagram of the control chip IC1 of the present invention.
[0028] Figure 7 It is a clock storage circuit diagram of the present invention.
[0029] Figure 8 This is a first wireless module diagram of the present invention.
[0030] Fig. 9 It is a second wireless module diagram of the present invention.
[0031] Fig.10 It is a relay control circuit diagram of the present invention.
[0032] Fig.11 It is the Ethernet module diagram of the present invention.
[0033] Fig.12 It is the indicator light circuit diagram of the present invention. DETAILED DESCRIPTION
[0034] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.
[0035] Reference below Figures 1 to 12 A power supply control system with a user identity recognition function according to an embodiment of the present invention is described, including a password door lock, in which a door card identifier and a door lock wireless module U1 are provided, and the door card identifier and the door lock wireless module U1 are connected.
[0036] The present invention also includes a control panel, an infrared detector and an AC contactor, as follows.
[0037] The control board is provided with an Ethernet module P2 and a control chip IC1, and the Ethernet module P2 and the control chip IC1, and the door lock wireless module U1 communicate with the Ethernet module P2.
[0038] The infrared detector is connected to a wireless module U4, and the wireless module U4 can communicate with the Ethernet module P2.
[0039] AC contactor: used to connect electrical appliances and / or lamps to turn on, the control end of the AC contactor is connected to the control board.
[0040] This circuit is easy to install through the combination of infrared detector and wireless module U4. It does not need to be rewired when replaced, and only needs to be installed in the distribution box. In addition, the infrared detector, control panel and AC contactor are combined. The infrared detector detects whether there is someone in the room. The control panel disconnects or closes the AC contactor according to the result of the infrared detector detection, which plays a role in realizing power supply when someone is there and power off when no one is there, which is environmentally friendly. Furthermore, the control panel and the door card identifier in the password door lock are combined. The door card identifier identifies the user's identity information and feeds it back to the control panel. The control panel manages the opening of lamps and electrical appliances according to the authority restriction and time limit information, which makes management convenient.
[0041] To go further: the user identifies the card identity through the door card reader in the password door lock and presses the handle to open the door, the door lock wireless module U1 sends the identity authority and time signal, the identity authority and time signal are input into the Ethernet module P2 of the control board, at this time the control board is in working state, when someone walks into the room, the infrared detector in the room immediately senses the location of the person, the wireless module U4 of the infrared detector sends the signal wirelessly to the Ethernet module P of the control board; the control board receives the location information, identity authority and time information, the control board controls the AC contactor to open and start the corresponding lamp body, and the lamp body illuminates the location where people are active. The control panel can realize multi-way switch output according to the authority (for example, for guests, two or more switch outputs can be realized, and for cleaning staff or staff, only a simple energy-saving single output is provided, that is, the AC contactor is controlled to be attracted, and the lamp body and electrical appliances are energized); during the effective time and when someone is in the room, the room is continuously powered; when during the effective time, someone presses the handle to go out from the room, the room's human sensor detects that the person is out, the door lock of the password door lock sends a signal to the control panel through Bluetooth wireless, and the infrared detector detects that there is no one in the room, and the power is cut off after a certain delay, and the control panel disconnects the AC contactor to implement power-off to achieve energy-saving effect.
[0042] like Figures 3 to 12 As shown, the control board also includes a rectifier circuit, a power supply circuit, a chip control switch, a clock storage circuit, an indicator light circuit and a relay control circuit. The rectifier circuit is connected to the power supply circuit, the power supply circuit is respectively powered by the control chip IC1, the clock storage circuit and the indicator light circuit, the control chip IC1 is respectively connected to the relay control circuit, the indicator light circuit and the auxiliary connector, and the relay control circuit is connected to the control end of the AC contactor. Figure 3 As shown, the rectifier circuit includes a first connector J1 and a rectifier bridge D1. The first connector J1 is connected to the rectifier bridge D1. The 2nd pin of the rectifier bridge D1 outputs a 12V power supply. The 4th pin of the rectifier bridge D1 is connected to the ground terminal GND. The 12V power supply supplies power to the power circuit. The power circuit is stepped down to 12V. Figure 4 and Figure 5 As shown, the circuit also includes a power supply circuit, which includes a first power supply circuit and a second power supply circuit. The first power supply circuit includes a first buck chip U1, a first electrolytic capacitor E1, a first capacitor C1, a second capacitor C2 and a second electrolytic capacitor E2. The VIN end of the first buck chip U1 is connected to the first electrolytic capacitor E1 and the first capacitor C1 respectively, and the common end of the first electrolytic capacitor E1 and the first capacitor C1 is connected to the GND end of the buck chip U4. The VOUT end of the buck chip U4 is connected to the second capacitor C2 and the second electrolytic capacitor E2 respectively, and the common end of the thirteenth capacitor C13 and the fourth electrolytic capacitor E4 is connected to the GND end of the buck chip U4. Figure 4The first power supply circuit is shown as Figure 5 The second power supply circuit is shown. The first power supply circuit and the second power supply circuit form a dual power supply. The first power supply circuit supplies power to the control chip IC1 and the clock storage circuit respectively, and the second power supply circuit supplies power to the light control chip U3 on the indicator light circuit. The first power supply circuit supplies power to one end of the LED light group, and the light control chip U3 controls the working state of the LED light group.
[0043] like Fig.12 As shown, the indicator light circuit includes an indicator light control chip U5 and an LED light group, the indicator light control chip U5 is connected to the LED light group, and pins 6 to 12 of the indicator light control chip U5 are respectively connected to the LED light group. The LED light group includes a first light emitting diode LED1, a second light emitting diode LED2, a third light emitting diode LED3, a fourth light emitting diode LED4, a fifth light emitting diode LED5, a sixth light emitting diode LED6, a seventh light emitting diode LED7 and an eighth light emitting diode LED8. The first light emitting diode LED1 is connected to a ninth resistor R9, the second light emitting diode LED2 is connected to a tenth resistor R10, the third light emitting diode LED3 is connected to an eleventh resistor R11, the fourth light emitting diode LED4 is connected to a twelfth resistor R12, the fifth light emitting diode LED5 is connected to a thirteenth resistor R13, the sixth light emitting diode LED6 is connected to a fourteenth resistor R14, the seventh light emitting diode LED7 is connected to a fifteenth resistor R15, the eighth light emitting diode LED8 is connected to a sixteenth resistor R16, and the other end of the eighth light emitting diode LED8 is connected to a first switch K1, and the first switch K1 is connected to a ground terminal GND. The lamp control chip U3 controls at least one of the first light emitting diode LED1, the second light emitting diode LED2, the third light emitting diode LED3, the fourth light emitting diode LED4, the fifth light emitting diode LED5, the sixth light emitting diode LED6 and the seventh light emitting diode LED7 to light up. The eighth light emitting diode LED8 is turned on when the first switch K1 is closed.
[0044] like Fig.10As shown, the relay circuit includes a first relay circuit and a second relay circuit, the control end of the first relay circuit and the control end of the second relay circuit are respectively connected to the control chip IC1, the first relay circuit includes a first relay H1, a first transistor H3, a sixth resistor R6, a second diode D2 and a fifth resistor R5, the collector of the first transistor N3 is connected to one end of the first relay H1 through the fifth resistor R5, the common end between the fifth resistor R5 and the collector of the first transistor H3 is also connected to the second diode D2, the other end of the second diode D2 is connected to the 12V+ end, and the 12V+ end is also connected to the first relay H1, the base of the first transistor H3 is connected to the sixth resistor R6, and the other end of the sixth resistor R6 is connected to the 26th pin of the control chip IC1; The second relay circuit includes a second relay H2, a second triode H4, a seventh resistor R7, a third diode D3 and an eighth resistor R8. The collector of the second triode H4 is connected to one end of the second relay H2 through the seventh resistor R7. The common end between the seventh resistor R7 and the collector of the second triode H4 is also connected to the third diode D3. The other end of the third diode D3 is connected to the 12V+ end, and the 12V+ end is also connected to the second relay H2. The other end of the eighth resistor R8 is connected to the 25th pin of the control chip IC1. Figure 2 and Fig.10 As shown, the number of AC contactors provided in this structure is at least one. The AC contactors are divided into a first AC contactor and a second AC contactor, the first AC contactor is connected to a lamp body or an electrical appliance, the second AC contactor is connected to a lamp body or an electrical appliance, the first relay H1 is connected to the control end of the first AC contactor, the second relay H2 is connected to the control end of the second AC contactor, and the first AC contactor and / or the second AC contactor are closed to energize, but the number of AC contactors provided in this embodiment is not limited.
[0045] like Fig.11 As shown, the Ethernet module P2 in this circuit is connected to a WIFI connector P1. The WIFI connector P1 can be connected to other devices with a network card (such as a computer).
[0046] like Figure 7As shown, the clock storage circuit of this circuit includes a clock storage chip U1, a ceramic capacitor XT, a third resistor R3, a fourth resistor R4, a first diode D1 and a VCC terminal, the first diode D1 is connected to the VCC terminal, the other end of the first diode D1 is connected to the 8th pin of the storage chip U1, the 3rd pin of the storage chip U1 is connected to the third resistor R3, the 4th pin of the storage chip U1 is connected to the fourth resistor R4, the common terminal between the third resistor R3 and the fourth resistor R4 is connected to the VCC terminal, the 7th pin of the storage chip U1 is connected to the 37th pin of the control chip IC1, and the ceramic capacitor XT is connected to the 2nd pin of the clock storage chip U1. The clock storage circuit is used to store time information and identity information for the control chip IC1 to read or enter relevant information.
[0047] like Figure 1 As shown, the structure of the lamp body is at least one, and the number of infrared detectors is at least one. Figure 2 As shown, the structure also includes a power switch control box and an air switch. The control panel is arranged in the power switch control box, and the air switch supplies power to the power switch control box and the AC contactor respectively. The power switch control box is used to protect the control panel and has a fire prevention effect.
[0048] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.
Claims
1. A power supply control system with a user identification function, including a password door lock, characterized in that: Also includes: A door card reader and a door lock wireless module U1 are provided in the password door lock, and the door card reader and the door lock wireless module U1 are connected; A control board, wherein an Ethernet module P2 and a control chip IC1 are provided on the control board, and the Ethernet module P2 and the control chip IC1, and the door lock wireless module U1 communicate with the Ethernet module P2; Infrared detector, the infrared detector is connected to a wireless module U4, and the wireless module U4 can communicate with the Ethernet module P2; The AC contactor is used to connect the electrical appliance and / or the lamp body to turn on, and the control end of the AC contactor is connected to the control board.
2. A power supply control system with a user identification function according to claim 1, characterized in that: The control board also includes a rectifier circuit, a power supply circuit, a chip control switch, a clock storage circuit, an indicator light circuit and a relay control circuit. The rectifier circuit is connected to the power supply circuit, and the power supply circuit supplies power to the control chip IC1, the clock storage circuit and the indicator light circuit respectively. The control chip IC1 is connected to the relay control circuit, the indicator light circuit and the auxiliary connector respectively, and the relay control circuit is connected to the control end of the AC contactor.
3. A power supply control system with a user identification function according to claim 2, characterized in that: The rectifier circuit includes a first connector J1 and a rectifier bridge D1. The first connector J1 is connected to the rectifier bridge D1. Pin 2 of the rectifier bridge D1 outputs a 12V power supply. Pin 4 of the rectifier bridge D1 is connected to a ground terminal GND.
4. A power supply control system with a user identification function according to claim 2, characterized in that: The relay circuit includes a first relay circuit and a second relay circuit, the control end of the first relay circuit and the control end of the second relay circuit are respectively connected to the control chip IC1, the first relay circuit includes a first relay H1, a first transistor H3, a sixth resistor R6, a second diode D2 and a fifth resistor R5, the collector of the first transistor N3 is connected to one end of the first relay H1 through the fifth resistor R5, the common end between the fifth resistor R5 and the collector of the first transistor H3 is also connected to the second diode D2, the other end of the second diode D2 is connected to the 12V+ end, and the 12V+ end is also connected to the first relay H1, the base of the first transistor H3 is connected to the sixth resistor R6, and the other end of the sixth resistor R6 is connected to the 26th pin of the control chip IC1; The second relay circuit includes a second relay H2, a second triode H4, a seventh resistor R7, a third diode D3 and an eighth resistor R8. The collector of the second triode H4 is connected to one end of the second relay H2 through the seventh resistor R7. The common end between the seventh resistor R7 and the collector of the second triode H4 is also connected to the third diode D3. The other end of the third diode D3 is connected to the 12V+ end, and the 12V+ end is also connected to the second relay H2. The other end of the eighth resistor R8 is connected to pin 25 of the control chip IC1.
5. A power supply control system with a user identification function according to claim 2, characterized in that: The indicator light circuit includes an indicator light control chip U5 and an LED light group. The indicator light control chip U5 is connected to the LED light group. Pins 6 to 12 of the indicator light control chip U5 are respectively connected to the LED light group. The LED light group includes a first light-emitting diode LED1, a second light-emitting diode LED2, a third light-emitting diode LED3, a fourth light-emitting diode LED4, a fifth light-emitting diode LED5, a sixth light-emitting diode LED6, a seventh light-emitting diode LED7 and an eighth light-emitting diode LED8. The first light-emitting diode LED1 is connected to a ninth resistor R9, the second light-emitting diode LED2 is connected to a tenth resistor R10, the third light-emitting diode LED3 is connected to an eleventh resistor R11, the fourth light-emitting diode LED4 is connected to a twelfth resistor R12, the fifth light-emitting diode LED5 is connected to a thirteenth resistor R13, the sixth light-emitting diode LED6 is connected to a fourteenth resistor R14, the seventh light-emitting diode LED7 is connected to a fifteenth resistor R15, the eighth light-emitting diode LED8 is connected to a sixteenth resistor R16, and the other end of the eighth light-emitting diode LED8 is connected to a first switch K1, and the first switch K1 is connected to a ground terminal GND.
6. A power supply control system with a user identification function according to claim 2, characterized in that: The Ethernet module P2 is connected to the WIFI connector P1.
7. A power supply control system with a user identification function according to claim 2, characterized in that: The clock storage circuit includes a clock storage chip U1, a ceramic capacitor XT, a third resistor R3, a fourth resistor R4, a first diode D1 and a VCC terminal. The first diode D1 is connected to the VCC terminal, and the other end of the first diode D1 is connected to pin 8 of the storage chip U1. Pin 3 of the storage chip U1 is connected to the third resistor R3, and pin 4 of the storage chip U1 is connected to the fourth resistor R4. The common terminal between the third resistor R3 and the fourth resistor R4 is connected to the VCC terminal. Pin 7 of the storage chip U1 is connected to pin 37 of the control chip IC1, and the ceramic capacitor XT is connected to pin 2 of the clock storage chip U1.
8. A power supply control system with a user identification function according to claim 2, characterized in that: The present circuit also includes a power supply circuit, which includes a first power supply circuit and a second power supply circuit. The first power supply circuit includes a first step-down chip U1, a first electrolytic capacitor E1, a first capacitor C1, a second capacitor C2 and a second electrolytic capacitor E2. The VIN end of the first step-down chip U1 is respectively connected to the first electrolytic capacitor E1 and the first capacitor C1, the common end of the first electrolytic capacitor E1 and the first capacitor C1 is connected to the GND end of the step-down chip U4, the VOUT end of the step-down chip U4 is respectively connected to the second capacitor C2 and the second electrolytic capacitor E2, and the common end of the thirteenth capacitor C13 and the fourth electrolytic capacitor E4 is connected to the GND end of the step-down chip U4.
9. A power supply control system with a user identification function according to claim 1, characterized in that: The lamp body is at least one, the infrared detector is at least one, and the AC contactor is at least one. The AC contactor is divided into a first AC contactor and a second AC contactor. The first AC contactor is connected to a lamp body or an electrical appliance, and the second AC contactor is connected to a lamp body or an electrical appliance.
10. The power supply control system with user identification function according to claim 1, characterized in that: It also includes a power switch control box and an air switch. The control panel is arranged in the power switch control box, and the air switch supplies power to the power switch control box and the AC contactor respectively.