CN211826976U

CN211826976U - Safety device for automatically cutting off power supply of peripheral circuit in standby state

Info

Publication number: CN211826976U
Application number: CN202020843573.1U
Authority: CN
Inventors: 林琪; 张维国; 王军良; 张黎伟
Original assignee: Zhejiang Rongtai Health Appliance Co Ltd
Current assignee: Zhejiang Rongtai Health Appliance Co Ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-10-30
Anticipated expiration: 2030-05-19

Abstract

The utility model discloses a safety device of automatic cutout peripheral circuit power supply in standby state, including power module and main drive module, power module includes switch circuit, main drive module includes MCU microcontroller, switch circuit's output is connected with the transformer, the output of transformer is connected with the rectification filter module, the output of rectification filter module is connected with the executive component through drive circuit, the output of rectification filter module still is connected with MCU microcontroller's input, MCU microcontroller's output and switch circuit are connected, MCU microcontroller's output still is connected with peripheral signal detection part through peripheral detection part switch. The utility model has the characteristics of reducing the power consumption in the standby state and enhancing the electrical safety of the massager.

Description

Safety device for automatically cutting off power supply of peripheral circuit in standby state

Technical Field

The utility model relates to an electrical safety device of a massager, in particular to a safety device which automatically cuts off the power supply of a peripheral circuit in a standby state.

Background

Through market research, a plurality of consumers cannot disconnect a power switch after using the massager, because the massager has more internal execution components and higher standby power consumption, and the power supply structure of the existing massager ensures that the massager cannot automatically cut off the power supply of a peripheral circuit in a standby state, the massager is used in the state for a long time, the loss of electric elements of the part of the massager is caused, the use effect of the massager is influenced, the service life of the massager is shortened, and the maintenance cost is increased; meanwhile, the electric power still runs in the state, so that the waste of electric quantity is caused, the environmental protection and energy conservation are not facilitated, and the electric power cost is increased. In addition, in the power supply circuit structure of the existing massage machine, when the power supply voltage is abnormal, and the power consumed by some power devices is reduced too much and the efficiency is reduced due to the change of electrical parameters caused by external factors or the aging of electrical elements, no safety protection measures are taken, the massage machine can be damaged, and more serious people can cause certain loss to the personal and property of users.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic safety device who cuts off peripheral circuit power supply among the standby state. The utility model has the characteristics of reducing the power consumption in the standby state and enhancing the electrical safety of the massager.

The technical scheme of the utility model: the utility model provides a safety device of automatic cutout peripheral circuit power supply in standby state, including power module and main drive module, power module includes switch circuit, main drive module includes MCU microcontroller, switch circuit's output is connected with the transformer, the output of transformer is connected with the rectification filter module, the output of rectification filter module is connected with the executive component through drive circuit, the output of rectification filter module still is connected with MCU microcontroller's input, MCU microcontroller's output and switch circuit are connected, MCU microcontroller's output still is connected with peripheral signal detection part through peripheral detection part switch.

In the safety device for automatically cutting off the power supply of the peripheral circuit in the standby state, the power supply module further comprises an AC alternating voltage input end circuit and an AC alternating voltage output end circuit, one end of the AC alternating voltage input end circuit is connected with a mains supply through a connector terminal, the other end of the AC alternating voltage input end circuit is connected with the input end of the switch circuit, and the output end of the switch circuit is connected with the input end of the transformer through the AC alternating voltage output end circuit.

In the safety device for automatically cutting off power supply to peripheral circuits in a standby state, the AC voltage input end circuit includes an AC110V input end circuit and an AC220V input end circuit; the AC alternating voltage output end circuit includes an AC110V output end circuit and an AC220V output end circuit.

In the safety device for automatically cutting off the power supply of the peripheral circuit in the standby state, the power supply module further comprises a DC direct-current voltage output end circuit, one end of the DC direct-current voltage output end circuit is connected with an AC alternating-current voltage input end circuit, and the other end of the DC direct-current voltage output end circuit is connected with the MCU microcontroller through a signal power supply and a power switch.

In the safety device for automatically cutting off power supply of the peripheral circuit in the standby state, the main driving module further includes an AC power supply, an input terminal of the AC power supply is connected to an output terminal of the transformer, and an output terminal of the AC power supply is connected to an input terminal of the driving circuit.

In the foregoing safety device for automatically cutting off power supply to the peripheral circuit in the standby state, the driving circuit includes a dc driving circuit and an AC driving circuit, an output terminal of the rectifying and filtering module is connected to an input terminal of the dc driving circuit, and an output terminal of the AC power supply is connected to an input terminal of the AC driving circuit.

In the safety device for automatically cutting off power supply to the peripheral circuit in the standby state, the switch circuit comprises a relay and the peripheral circuit of the relay.

In the safety device for automatically cutting off power supply of the peripheral circuit in the standby state, the MCU microcontroller is a microcontroller with a monitoring function.

Compared with the prior art, the utility model discloses improved the electric structure of current massager, be connected MCU microcontroller with rectification filter module and switch circuit respectively, monitor the voltage of rectification filter module output, if it is unusual to lead to mains voltage undulant and produced because the executive component is unusual, accessible switch circuit controls, cuts off its high voltage power supply to the transformer, cuts off various peripheral monitoring part switch's power supply simultaneously, reduces the potential safety hazard.

When the MCU microcontroller monitors that the massage armchair enters a standby mode, the massage armchair can be controlled by the switch circuit to cut off the power supply of the massage armchair to the transformer and cut off the power supply of power switches of various peripheral monitoring components, so that the loss of electric quantity is reduced, and the massage armchair is more energy-saving and environment-friendly.

The utility model can effectively reduce the power consumption in the standby state, and can effectively cut off the power supply of the power device when the electrical parameters are abnormal, thereby enhancing the electrical safety of the massager.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The labels in the figures are: 1. a power supply module; 11. a switching circuit; 12. an AC voltage input terminal circuit; 13. an AC voltage output terminal circuit; 14. a DC direct-current voltage output end circuit; 2. a main drive module; 21. an MCU microcontroller; 22. a rectification filtering module; 23. a drive circuit; 24. a peripheral detection part power switch; 25. a signal power supply; 26. a power switch; 27. an AC power source; 3. a transformer; 41. an execution component; 42. a peripheral signal detection section.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given.

As shown in fig. 1, a safety device for automatically cutting off power supply of a peripheral circuit in a standby state includes a power module 1, an output terminal of the power module 1 is connected to a transformer 3 and a main driving module 2 respectively, an output terminal of the transformer 3 is connected to the main driving module 2, and an output terminal of the main driving module 2 is connected to a peripheral signal detection unit 42 and an execution unit 41.

The power supply module 1 comprises a DC direct-current voltage output end circuit 14, an AC alternating-current voltage input end circuit 12, a switch circuit 11 and an AC alternating-current voltage output end circuit 13; the main driving module 2 comprises an MCU microcontroller 21, a rectifying and filtering module 22, a driving circuit 23, a signal power supply 25, a power switch 26, an AC power supply 27 and a peripheral detection part power switch 24.

The AC alternating voltage input-side circuit 12 includes an AC110V input-side circuit and an AC220V input-side circuit; the AC alternating voltage output end circuit 13 includes an AC110V output end circuit and an AC220V output end circuit.

One end of the AC voltage input end circuit 12 is connected to a mains supply through a connector terminal, the input voltage is AC110V or AC220V AC, the other end of the AC voltage input end circuit 12 is connected to an input end of the switch circuit 11, an output end of the switch circuit 11 is connected to an input end of the transformer 3 through the AC voltage output end circuit 13, the transformer 3 step-down converts AC110V or AC220V high voltage into low voltage AC power, such as 40V, 36V, etc., required by a product, and one or more voltages are customized according to functional requirements and output to the rectifying and filtering module 22 and the AC power supply 27, an output end of the rectifying and filtering module 22 and an output end of the AC power supply 27 are both connected to an input end of the driving circuit 23, and an output end of the driving circuit 23 is connected to the execution unit 41 to drive various execution units 41, such as a motor.

The driving circuit 23 comprises a direct current driving circuit and an alternating current driving circuit, the output end of the rectification filtering module 22 is connected with the input end of the direct current driving circuit, and the rectification filtering module rectifies and filters an alternating current power supply from the transformer 3 and supplies power to various direct current driving circuits; the output terminal of the AC power supply 27 is connected to the input terminal of the AC drive circuit to supply power to the various AC drive circuits.

The output end of the rectification filter module 22 is also connected with the input end of the MCU microcontroller 21, and the MCU microcontroller 21 can detect the change of the voltage signal; the output end of the MCU microcontroller 21 is connected to the switching circuit 11 and the power switch 24 of the peripheral detection unit, and the output end of the power switch 24 of the peripheral detection unit is connected to the peripheral signal detection unit 42. The MCU microcontroller 21 is a microcontroller with a monitoring function, the MCU microcontroller 21 can sample and monitor the rectified and filtered voltage through the ADC, and if there is an abnormality such as a voltage higher or lower than a predetermined value, the switching circuit 11 can be controlled to cut off the high voltage power supply to the transformer 3 and the power supply to the power switch 24 of the peripheral detection unit. When the MCU microcontroller 21 detects that the massage chair enters the standby mode, the power supply to the transformer 3 can be cut off through the control of the switch circuit 11, and the power supply of the peripheral detection part power switch 24 is cut off at the same time.

The switch circuit 11 comprises a relay and a peripheral circuit of the relay, and the switch circuit 11 receives a signal of the MCU microcontroller 21, and turns off and turns on the relay, thereby controlling the output of the AC110V output end circuit and the AC220V output end circuit.

One end of the DC direct voltage output end circuit 14 is connected to the AC alternating voltage input end circuit 12, and performs voltage reduction, rectification, filtering, and other processing on the AC110V or AC220V voltage from the high-voltage part of the utility power, the other end of the DC direct voltage output end circuit 14 is connected to the MCU microcontroller 21 through the signal power supply 25 and the power switch 26, the DC direct voltage output end circuit 14 supplies power to the signal power supply 25 and the power switch 26, and the signal power supply 25 and the power switch 26 supply power to the MCU microcontroller 21.

Claims

1. A safety device for automatically cutting off power supply of peripheral circuits in a standby state is characterized in that: including power module (1) and main drive module (2), power module (1) includes switch circuit (11), main drive module (2) includes MCU microcontroller (21), the output of switch circuit (11) is connected with transformer (3), the output of transformer (3) is connected with rectification filter module (22), the output of rectification filter module (22) is connected with executive component (41) through drive circuit (23), the output of rectification filter module (22) still is connected with the input of MCU microcontroller (21), the output and the switch circuit (11) of MCU microcontroller (21) are connected, the output of MCU microcontroller (21) still is connected with peripheral signal detection part (42) through peripheral detection part switch (24).

2. A safety device for automatically cutting off power supply to peripheral circuits in a standby state according to claim 1, wherein: the power supply module (1) further comprises an AC (alternating current) voltage input end circuit (12) and an AC voltage output end circuit (13), one end of the AC voltage input end circuit (12) is connected with a mains supply through a connector terminal, the other end of the AC voltage input end circuit (12) is connected with the input end of the switch circuit (11), and the output end of the switch circuit (11) is connected with the input end of the transformer (3) through the AC voltage output end circuit (13).

3. A safety device for automatically cutting off power supply to peripheral circuits in a standby state according to claim 2, wherein: the AC alternating voltage input end circuit (12) includes an AC110V input end circuit and an AC220V input end circuit; the AC alternating voltage output end circuit (13) includes an AC110V output end circuit and an AC220V output end circuit.

4. A safety device for automatically cutting off power supply to peripheral circuits in a standby state according to claim 1, wherein: the power supply module (1) further comprises a DC direct-current voltage output end circuit (14), one end of the DC direct-current voltage output end circuit (14) is connected with an AC alternating-current voltage input end circuit (12), and the other end of the DC direct-current voltage output end circuit (14) is connected with the MCU (21) through a signal power supply (25) and a power switch (26).

5. A safety device for automatically cutting off power supply to peripheral circuits in a standby state according to claim 1, wherein: the main driving module (2) further comprises an AC power supply (27), the input end of the AC power supply (27) is connected with the output end of the transformer (3), and the output end of the AC power supply (27) is connected with the input end of the driving circuit (23).

6. A safety device for automatically cutting off power supply to peripheral circuits in standby state according to claim 5, characterized in that: the driving circuit (23) comprises a direct current driving circuit and an alternating current driving circuit, the output end of the rectification filtering module (22) is connected with the input end of the direct current driving circuit, and the output end of the AC power supply (27) is connected with the input end of the alternating current driving circuit.

7. A safety device for automatically cutting off power supply to peripheral circuits in a standby state according to claim 1, wherein: the switching circuit (11) includes a relay and a peripheral circuit of the relay.

8. A safety device for automatically cutting off power supply to peripheral circuits in a standby state according to claim 1, wherein: the MCU microcontroller (21) is a microcontroller with a monitoring function.