CN210898937U - Power supply device of massage chair - Google Patents
Power supply device of massage chair Download PDFInfo
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- CN210898937U CN210898937U CN201922145472.7U CN201922145472U CN210898937U CN 210898937 U CN210898937 U CN 210898937U CN 201922145472 U CN201922145472 U CN 201922145472U CN 210898937 U CN210898937 U CN 210898937U
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Abstract
The utility model discloses a massage chair power supply device, which comprises a direct current switch power supply, a control singlechip and a first turn-off power supply module; the control single chip microcomputer is connected with the direct-current switching power supply and forms a first power supply assembly for supplying power to a motor module and an air valve module of the massage chair; the first turn-off power supply module is respectively connected with the direct-current switching power supply and the control single chip microcomputer to form a second power supply assembly for supplying power to peripheral devices of the massage chair. The utility model uses the DC switch power supply to give consideration to the commercial power with two specifications of 220V and 110V, so that the factory does not need to consider which commercial power is used during manufacturing or testing; meanwhile, an AC-to-DC circuit board is not needed, the design of the circuit board becomes simple and reliable, and low power consumption is easier to realize; the first turn-off power supply and the control single chip microcomputer are adopted to convert the output of the direct-current switch power supply into the turn-off output, and the overall power consumption is reduced as much as possible after the massage chair is put into sleep through setting.
Description
Technical Field
The utility model relates to a power supply technical field especially relates to a massage armchair power supply unit.
Background
For people who work and study while sitting for a long time, massage is a resting and health-preserving way which can improve waist soreness and back pain, prevent diseases, improve sleep quality, relieve general fatigue and improve postures.
The massage armchair is a product which is produced according to the requirements of people, the specific massage armchair mainly utilizes mechanical rolling force action, extrusion force and the like to carry out massage, people can enjoy massage service at home due to the appearance of the massage armchair, and the massage armchair is simple and convenient to use and easy to operate. Most of the power supply devices of massage chairs in the existing market convert commercial power into Alternating Current (AC) 24V or other AC power through a power frequency transformer to be supplied to a circuit board, and then the circuit board converts an input power into direct current to supply power to various components such as an air valve, an air pump, a motor, a chip and the like.
The power supply device of the massage chair adopts a power frequency transformer and has the following three problems: firstly, because massage chairs of manufacturers are probably sold nationwide, but the specifications of commercial power of various countries are different, the existing massage chairs mainly comprise 110V commercial power supply and 220V commercial power supply, but a massage chair power supply device adopting a power frequency transformer cannot be compatible with the commercial power of 220V and 110V commercial power, the manufacturers need to pay attention to the commercial power requirement when producing or testing the massage chairs, and if the 110V requirement is connected into a 220V socket, the circuit board of the massage chair can be directly burnt; and the problem that the motor and the air valve cannot work normally can be caused by connecting 220V into a 110V socket. Secondly, the design difficulty and the wiring difficulty of the circuit board are increased, and an alternating current to direct current circuit is needed. Thirdly, the power consumption is increased, the power frequency transformer is large in power consumption, the overall power consumption is lower than 0.5W after the massage chair is put into sleep in many areas, and the disadvantages of the power frequency transformer are very obvious.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the mains supply of two kinds of specifications of 220V and 110V can't be taken into account mostly to the power supply unit of the massage armchair of current adoption power frequency transformer, and need still increase the consumption with the circuit board design degree of difficulty and wiring difficulty simultaneously.
In order to solve the technical problem, the utility model provides a massage chair power supply device, which is characterized in that the massage chair power supply device comprises a direct current switch power supply, a control singlechip and a first turn-off power supply module;
the control single chip microcomputer is connected with the direct-current switch power supply and forms a first power supply assembly for supplying power to a motor module and an air valve module of the massage chair;
the first turn-off power supply module is respectively connected with the direct-current switch power supply and the control single chip microcomputer to form a second power supply assembly for supplying power to peripheral devices of the massage chair.
Preferably, the first control end of the control single chip microcomputer is connected with the motor current control end of the direct current switching power supply to control the on and off of power supply for the motor module of the massage chair;
and the second control end of the control single chip microcomputer is connected with the air valve current control end of the direct current switching power supply so as to control the opening and closing of the power supply for the air valve module of the massage chair.
Preferably, the first control end of the control singlechip and the motor current control end of the direct current switching power supply further comprise a first filter circuit;
the second control end of the control single chip microcomputer and the air valve current control end of the direct current switching power supply further comprise a second filter circuit.
Preferably, the first filter circuit comprises a first resistor and a second resistor connected in series, and a first capacitor connected between an output end of the first resistor and a common ground end;
the second filter circuit comprises a third resistor, a fourth resistor and a second capacitor, wherein the third resistor and the fourth resistor are connected in series, and the second capacitor is connected between the output end of the third resistor and a common ground terminal.
Preferably, an input end of the first turn-off power supply module is connected to a power supply end of a peripheral device of the dc switching power supply, an output end of the first turn-off power supply module is connected to the peripheral device, and a control end of the first turn-off power supply module is connected to a third control end of the control single chip.
Preferably, the first turn-off power supply module is a TPS2051B chip;
the grounding end of the TPS2051B chip is connected with a common grounding end, and the overcurrent protection end of the TPS2051B chip is connected with the overcurrent protection end of the control single chip microcomputer.
Preferably, the massage chair power supply device also comprises a voltage conversion module,
the voltage conversion module is respectively connected with the direct-current switch power supply and the control single chip microcomputer to form a third power supply assembly for supplying power to peripheral devices of the massage chair.
Preferably, the input end of the voltage conversion module is connected with the power supply end of a peripheral device of the dc switching power supply, the output end of the voltage conversion module is connected with the peripheral device, and the control end of the voltage conversion module is connected with the third control end of the control single chip.
Preferably, the dc switching power supply provides a dc 24V working voltage for the motor module and the air valve module of the massage chair, respectively, and the dc 5V working voltage for the peripheral devices of the massage chair, respectively.
Preferably, the direct current switching power supply also provides direct current 5V working voltage for the control single chip microcomputer.
Compared with the prior art, one or more embodiments in the above scheme can have the following advantages or beneficial effects:
by applying the massage chair power supply device provided by the embodiment of the utility model, the power frequency transformer in the massage chair power supply device is replaced by the direct current switching power supply, the output voltage can be both 220V and 110V commercial power, and a factory does not need to consider which commercial power is used during manufacturing or testing; meanwhile, the direct output of the direct current switch power supply is the direct current power supply, so that an alternating current-direct current circuit board is not needed, the design of the circuit board is simple and reliable, and low power consumption is easier to realize; the first turn-off power supply and the control single chip microcomputer are adopted to convert the output of the direct-current switch power supply into the turn-off output, and the overall power consumption is reduced as much as possible after the massage chair is put into sleep through setting.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, together with the description of embodiments of the invention, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a power supply device of a massage chair according to an embodiment of the present invention;
fig. 2 shows a schematic diagram of a first filter circuit according to a first embodiment of the present invention;
fig. 3 shows a schematic diagram of a second filter circuit in the first embodiment of the present invention;
fig. 4 shows a 5V-to-turn-off circuit diagram of a first embodiment of the present invention;
fig. 5 shows a circuit diagram of the first embodiment of the present invention, which can turn off 3.3V after 5V.
Detailed Description
The following detailed description will be made with reference to the accompanying drawings and examples, so as to solve the technical problems by applying technical means to the present invention, and to fully understand and implement the technical effects of the present invention. It should be noted that, as long as no conflict is formed, the embodiments and the features in the embodiments of the present invention may be combined with each other, and the technical solutions formed are all within the scope of the present invention.
The power supply device of the existing massage chair mostly adopts a power frequency transformer, but the power frequency transformer has various problems, for example, the commercial power of two specifications of 220V and 110V cannot be compatible, so that manufacturers need to pay attention to the commercial power requirement when producing or testing the massage chair, and the adverse effect is avoided; meanwhile, the design difficulty of the circuit board is increased, the power consumption is difficult to reduce, and the like.
Example one
In order to solve the technical problem existing in the prior art, the embodiment of the utility model provides a power supply device of a massage chair.
Fig. 1 is a schematic structural diagram of a power supply device of a massage chair according to an embodiment of the present invention; referring to fig. 1, the massage chair power supply device of the embodiment of the present invention includes a dc switch power supply, a control single chip and a first turn-off power supply module.
The control single chip microcomputer is connected with the direct-current switching power supply to form a first power supply assembly for supplying electric quantity to the motor module and the air valve module of the massage chair. Preferably, the direct-current switching power supply provided by the embodiment can provide a direct-current 24V working voltage for the motor module and the air valve module of the massage chair. Furthermore, a first control end of the control single chip microcomputer is connected with a motor current control end of the direct current switch power supply, and the control single chip microcomputer controls the direct current switch power supply to switch on and off a power supply switch of a motor module of the massage chair; the second control end of the control single chip microcomputer is connected with the air valve current control end of the direct-current switching power supply, and the control single chip microcomputer controls the opening and closing of the power supply switch of the air valve module of the massage chair with the direct-current switching power supply. Namely, the direct current 24V working voltage directly provided by the direct current switch power supply is converted into the direct current 24V working voltage which can be switched off, wherein whether the 24V working voltage is switched off or not is controlled by the control singlechip. Preferably, the control single chip microcomputer selects EFM32LG280F 128.
Further preferably, in order to enhance the stability of the circuit, a first filter circuit is further arranged between the first control end of the control singlechip and the motor current control end of the direct-current switching power supply; similarly, a second filter circuit is arranged between the second control end of the control singlechip and the air valve current control end of the direct current switch power supply.
Fig. 2 shows a schematic diagram of a first filter circuit according to a first embodiment of the present invention; fig. 3 shows a schematic diagram of a second filter circuit in the first embodiment of the present invention; referring to fig. 2 and 3, the first filter circuit includes a first resistor R72 and a second resistor R73 connected in series, and a first capacitor C53 connected between an output terminal of the first resistor R72 and a common ground terminal; the input end of the first resistor R72 is connected with the first control end of the control singlechip, the input end of the second resistor R73 is connected with the output end of the first resistor R72, and the output end of the first resistor R72 is connected with the motor current control end of the direct-current switching power supply. Similarly, the second filter circuit comprises a first resistor R74 and a second resistor R75 which are connected in series, and a first capacitor C53 connected between the output end of the first resistor R73 and the common ground end; the input end of the third resistor R74 is connected with the second control end of the control singlechip, the input end of the fourth resistor R75 is connected with the output end of the third resistor R74, and the output end of the fourth resistor R75 is connected with the air valve current control end of the direct-current switching power supply.
The first turn-off power supply is respectively connected with the direct-current switch power supply and the control single chip microcomputer to form a second power supply assembly for supplying power to peripheral devices of the massage chair. Preferably, the direct-current switching power supply arranged in the embodiment can provide a direct-current 5V working voltage for peripheral devices of the massage chair. Specifically, the input end of the first turn-off power supply module is connected with the power supply end of a peripheral device of the direct-current switching power supply, the output end of the first turn-off power supply module is connected with the peripheral device, and the control end of the first turn-off power supply module is connected with the third control end of the control single chip microcomputer.
Preferably, the first turn-off power supply module is a TPS2051B chip, where pin 5 of the TPS2051B chip is an input terminal, pin 1 is an output terminal, pin 4 is a control terminal, pin 3 is an overcurrent protection terminal, and pin 2 is a ground terminal; besides the connection mode of the connection ends, the ground end of the TPS2051B chip is connected with the common ground end, the overcurrent protection end of the TPS2051B chip is connected with the overcurrent protection end of the control single chip, and when the output current exceeds the current, the first turn-off power supply module is controlled to be turned off to supply power. Fig. 4 shows a 5V-to-turn-off circuit diagram of a first embodiment of the present invention; referring to fig. 4, in addition to the TPS2051B chip, a capacitor C20 connected between the input terminal of the TPS2051B chip and the common ground, and a capacitor C86 and a capacitor C21 connected between the output terminal of the TPS2051B chip and the common ground are included.
In addition to the above, the massage chair power supply device of the present embodiment further includes a voltage conversion module. The voltage conversion module is respectively connected with the direct-current switch power supply and the control single chip microcomputer to form a third power supply assembly for supplying power to peripheral devices of the massage chair. Preferably, the third power supply component provided in this embodiment can convert a dc 5V operating voltage output by the direct-switching power supply into a dc 3.3V operating voltage that can be turned off. The input end of the voltage conversion module is connected with the power supply end of a peripheral device of the direct-current switching power supply, the output end of the voltage conversion module is connected with the peripheral device, and the control end of the voltage conversion module is connected with the third control end of the control single chip microcomputer.
Preferably, the voltage conversion module is a TLV70033DDC chip, where pin 1 is an input terminal, pin 5 is an output terminal, pin 3 is a control terminal, pin 4 is an overcurrent protection terminal, and pin 2 is a ground terminal; besides the connection mode, the ground end of the TLV70033DDC chip is connected with the common ground end, the overcurrent protection end of the TLV70033DDC chip is connected with the overcurrent protection end of the control single chip, and when the output current exceeds the current, the voltage conversion module is controlled to be disconnected for power supply. Fig. 5 shows a circuit diagram of 5V to 3.3V turn-off in the first embodiment of the present invention; referring to fig. 5, in addition to the TLV70033DDC chip, the TLV70033DDC chip further includes a capacitor C16 and a capacitor C13 connected between the input terminal of the TLV70033DDC chip and the common ground terminal, a capacitor C17 and a capacitor C11 connected between the output terminal of the TLV70033DDC chip and the common ground terminal, and a resistor R95 connected between the control terminal of the voltage conversion module and the third control terminal of the control single chip.
The second power supply assembly and the third power supply assembly respectively convert the direct current 5V working voltage output by the direct current switch power supply into the direct current 5V voltage capable of being turned off and the direct current 3.3V voltage capable of being turned off so as to supply power to peripheral devices of the massage chair, and the power consumption can be greatly reduced after the massage chair enters the sleep mode.
It should be noted that the dc switching power supply can provide a dc 5V operating voltage for the control single chip to ensure the control single chip can work continuously.
The massage chair power supply device provided by the embodiment of the utility model has the advantages that the power frequency transformer in the massage chair power supply device is replaced by the direct current switching power supply, the output voltage can be both the commercial power of 220V and 110V, and the commercial power does not need to be considered when a factory is manufactured or tested; meanwhile, the direct output of the direct current switch power supply is the direct current power supply, so that an alternating current-direct current circuit board is not needed, the design of the circuit board is simple and reliable, and low power consumption is easier to realize; the first turn-off power supply and the control single chip microcomputer are adopted to convert the output of the direct-current switch power supply into the turn-off output, and the overall power consumption is reduced as much as possible after the massage chair is put into sleep through setting.
Although the embodiments of the present invention have been disclosed, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be apparent to persons skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A power supply device of a massage chair is characterized by comprising a direct-current switch power supply, a control single chip microcomputer and a first power supply module capable of being turned off;
the control single chip microcomputer is connected with the direct-current switch power supply and forms a first power supply assembly for supplying power to a motor module and an air valve module of the massage chair;
the first turn-off power supply module is respectively connected with the direct-current switch power supply and the control single chip microcomputer to form a second power supply assembly for supplying power to peripheral devices of the massage chair.
2. The massage chair power supply apparatus according to claim 1,
the first control end of the control single chip microcomputer is connected with the motor current control end of the direct current switching power supply to control the on and off of power supply for the motor module of the massage chair;
and the second control end of the control single chip microcomputer is connected with the air valve current control end of the direct current switching power supply so as to control the opening and closing of the power supply for the air valve module of the massage chair.
3. The massage chair power supply apparatus according to claim 2,
a first filter circuit is arranged between the first control end of the control singlechip and the motor current control end of the direct current switch power supply;
and a second filter circuit is arranged between the second control end of the control singlechip and the air valve current control end of the direct current switching power supply.
4. The massage chair power supply apparatus according to claim 3,
the first filter circuit comprises a first resistor, a second resistor and a first capacitor, wherein the first resistor and the second resistor are connected in series, and the first capacitor is connected between the output end of the first resistor and a common ground end;
the second filter circuit comprises a third resistor, a fourth resistor and a second capacitor, wherein the third resistor and the fourth resistor are connected in series, and the second capacitor is connected between the output end of the third resistor and a common ground terminal.
5. The power supply device of a massage chair as claimed in claim 1, wherein the input end of the first power supply module capable of being turned off is connected with the power supply end of the peripheral device of the dc switch power supply, the output end of the first power supply module capable of being turned off is connected with the peripheral device, and the control end of the first power supply module capable of being turned off is connected with the third control end of the control single chip microcomputer.
6. The massage chair power supply device as claimed in claim 5, wherein the first turn-off power supply module is a TPS2051B chip;
the grounding end of the TPS2051B chip is connected with a common grounding end, and the overcurrent protection end of the TPS2051B chip is connected with the overcurrent protection end of the control single chip microcomputer.
7. The massage chair power supply device as claimed in claim 1, further comprising a voltage conversion module,
the voltage conversion module is respectively connected with the direct-current switch power supply and the control single chip microcomputer to form a third power supply assembly for supplying power to peripheral devices of the massage chair.
8. The power supply device of a massage chair as claimed in claim 7, wherein the input end of the voltage conversion module is connected with the power supply end of the peripheral device of the DC switch power supply, the output end of the voltage conversion module is connected with the peripheral device, and the control end of the voltage conversion module is connected with the third control end of the control single chip microcomputer.
9. The massage chair power supply device as claimed in claim 8, wherein the dc switching power supply provides a dc 24V operating voltage for the motor module and the air valve module of the massage chair, respectively, and the second power supply assembly and the third power supply assembly provide a dc 5V or 3.3V operating voltage for peripheral devices of the massage chair, respectively.
10. The power supply device of a massage chair as claimed in claim 1, wherein the dc switching power supply provides a dc 5V operating voltage to the control single chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922145472.7U CN210898937U (en) | 2019-12-04 | 2019-12-04 | Power supply device of massage chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922145472.7U CN210898937U (en) | 2019-12-04 | 2019-12-04 | Power supply device of massage chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210898937U true CN210898937U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922145472.7U Active CN210898937U (en) | 2019-12-04 | 2019-12-04 | Power supply device of massage chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210898937U (en) |
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2019
- 2019-12-04 CN CN201922145472.7U patent/CN210898937U/en active Active
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