CN211405875U - Dual-output massage armchair power supply and massage armchair - Google Patents
Dual-output massage armchair power supply and massage armchair Download PDFInfo
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- CN211405875U CN211405875U CN202020423520.4U CN202020423520U CN211405875U CN 211405875 U CN211405875 U CN 211405875U CN 202020423520 U CN202020423520 U CN 202020423520U CN 211405875 U CN211405875 U CN 211405875U
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Abstract
The utility model belongs to the technical field of massage armchair power supply, in particular to a dual-output massage armchair power supply, which comprises an input protection circuit, a power conversion circuit, a first direct current output circuit and a second direct current output circuit which are connected in sequence; the second direct current output circuit comprises a direct current voltage conversion circuit and a second output filter circuit, and the second output filter circuit is connected with the direct current voltage conversion circuit. Compared with the prior art, the utility model discloses a second direct current output circuit who sets up and be connected with first direct current output circuit, and will through direct current voltage converting circuit the direct current of the same kind of first direct current output circuit output converts another way direct current, exports after the voltage filtering of second output filter circuit with direct current voltage converting circuit conversion output again, still guarantees output voltage's stability through the filtering when having realized a power double-circuit output, and the better massage armchair that is applicable to has satisfied the user demand, very big improvement user experience.
Description
Technical Field
The utility model belongs to the technical field of the massage armchair power, especially, relate to a dual output massage armchair power and massage armchair.
Background
A massage chair is an apparatus for massaging by utilizing mechanical rolling force and mechanical extrusion. The manual massage can dredge channels and collaterals, circulate qi and blood, and keep yin and yang balance of the organism, so that muscles can feel relaxed after the massage, joints are flexible, people can be excited, fatigue is eliminated, and the massage has an important effect on ensuring the health of the body. For people who work and study while sitting for a long time, the massage can make blood circulation smooth, improve waist soreness and backache and prevent diseases, improve sleep quality, relieve fatigue of the whole body, improve posture and exercise healthy body.
The massage armchair is bound to be equipped with a power supply to use when in use, but the power supply of the massage armchair is single-path output at present, so that only one power supply is output when a user uses the massage armchair, and the problem that the use requirement cannot be met is caused. Therefore, it is necessary to design a dual output massage chair power source.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a dual output massage armchair power and massage armchair aims at solving among the prior art because of the power of massage armchair is that the one way output leads to the technical problem that can not satisfy the user demand.
In order to achieve the above object, an embodiment of the present invention provides a dual output massage chair power supply, which includes an input protection circuit, a power conversion circuit and a first dc output circuit connected in sequence.
Optionally, the dual-output massage chair power supply further comprises a second dc output circuit, and the second dc output circuit is connected to the first dc output circuit; the second direct current output circuit includes:
the direct-current voltage conversion circuit is connected with the first direct-current output circuit and is used for converting one path of direct current output by the first direct-current output circuit into the other path of direct current to be output;
and the second output filter circuit is connected with the direct-current voltage conversion circuit and is used for filtering and outputting the direct-current electricity converted and output by the direct-current voltage conversion circuit.
Optionally, the dc-to-voltage conversion circuit includes a voltage conversion chip, the voltage conversion chip is connected to the first dc output circuit, and the voltage conversion chip is further connected to the second output filter circuit.
Optionally, the second output filter circuit includes an RC filter circuit and a second dc output port, the RC filter circuit is connected to the voltage conversion chip, and the second dc output port is connected to the RC filter circuit.
Optionally, the RC filter circuit includes a filter capacitor and a filter resistor, the filter capacitor and the filter resistor are connected in series, the filter capacitor is further connected to a fifth pin and a sixth pin of the voltage conversion chip, and the filter resistor is further grounded.
Optionally, an inductor L1 is further disposed between the RC filter circuit and the second dc output port.
Optionally, the input protection circuit includes a lightning protection input circuit, an EMI filter circuit, and a rectifier circuit, which are connected in sequence.
Optionally, the lightning protection input circuit includes a fuse, a thermistor and a varistor, the fuse and the thermistor are respectively connected to a voltage input port, two ends of the varistor are respectively connected to the fuse and the thermistor, and the varistor is further connected to the filter circuit.
Optionally, the power conversion circuit includes a transformer circuit, a PWM control circuit, and an output feedback circuit, the transformer circuit is connected to the rectification circuit, the PWM control circuit is connected to the transformer circuit, the output feedback circuit is connected to the transformer circuit and the PWM control circuit, respectively, and the output feedback circuit is further connected to the dc output circuit.
Optionally, the dc output circuit includes an output filter circuit and a first dc output port, the output filter circuit is connected to the transformer circuit, and the first dc output port is connected to the output filter circuit.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the dual output massage armchair power has one of following technological effect at least: compared with the prior art, the utility model discloses a set up with the second direct current output circuit that first direct current output circuit connects, and pass through direct current voltage converting circuit will direct current output's the direct current of the same kind converts another way direct current into, passes through second output filter circuit will direct current voltage converting circuit conversion output's voltage filtering back output still guarantees output voltage's stability through the filtering when having realized a power double-circuit output, and the better massage armchair that is applicable to has satisfied the user demand, very big improvement user experience.
In order to achieve the above object, an embodiment of the present invention further provides a massage chair, including the above dual-output massage chair power supply.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in the massage armchair has one of following technological effect at least: because of the massage armchair contained foretell dual output massage armchair power, the event the massage armchair also has the user demand that can satisfy the user, improves user experience's advantage.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.
Fig. 1 is a block diagram of a circuit structure of a power supply of a dual-output massage chair provided by an embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of a dual output massage chair power supply according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a second dc output circuit of the dual-output massage chair power supply provided by the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
the input protection circuit 100, the lightning protection input circuit 110, the EMI filter circuit 120, the rectifier circuit 130, the power conversion circuit 200, the transformer circuit 210, the PWM control circuit 220, the output feedback circuit 230, the first dc output circuit 300, the first output filter circuit 310, the second dc output circuit 400, the dc voltage conversion circuit 410, the second output filter circuit 420, and the RC filter circuit 421.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.
In one embodiment of the present invention, as shown in fig. 1-3, a dual output massage chair power supply is provided, which comprises an input protection circuit 100, a power conversion circuit 200 and a first dc output circuit 300 connected in sequence.
The dual-output massage chair power supply further comprises a second direct current output circuit 400, and the second direct current output circuit 400 is connected with the first direct current output circuit 300.
The second dc output circuit 400 includes a dc voltage converting circuit 410 and a second output filter circuit 420.
The dc voltage converting circuit 410 is connected to the first dc output circuit 300, and is configured to convert one path of dc output from the first dc output circuit 300 into another path of dc output.
The second output filter circuit 420 is connected to the dc voltage converting circuit 410, and is configured to filter and output the dc voltage converted and output by the dc voltage converting circuit 410.
Compared with the prior art, the utility model discloses a set up with second direct current output circuit 400 that first direct current output circuit 410 connects, and pass through direct current voltage converting circuit 410 will direct current of the same kind of output of first direct current output circuit 300 converts another way direct current into, passes through second output filter circuit 420 will direct current voltage converting circuit 410 converts the voltage filtering back output of output, still guarantees output voltage's stability through the filtering when having realized a power double-circuit output, and the better massage armchair that is applicable to has satisfied the user demand, very big improvement user experience.
The dc voltage converting circuit 410 includes a voltage converting chip IC2, the voltage converting chip IC2 is connected to the first dc output circuit 300, and the voltage converting chip IC2 is further connected to the second output filter circuit 420. The voltage conversion chip IC2 is used for converting the dc power output by the first dc output circuit 300 into another dc power and outputting the dc power, thereby ensuring that one power supply can have two dc outputs. In this embodiment, the voltage conversion chip IC2 has a model number DP 3115.
DP3115 is a synchronous rectification takes line loss compensation 5V2.4A high efficiency DC/DC step down IC, disposes charging current and restricts the protection, during the use, has the less components and parts peripheral system of simple external component, facilitates the use, and the price is substantial, greatly reduced research and development manufacturing cost.
The second output filter circuit 420 includes an RC filter circuit 421 and a second dc output port CN5, the RC filter circuit 421 is connected to the voltage conversion chip IC2, and the second dc output port CN5 is connected to the RC filter circuit 421. Specifically, the RC filter circuit 421 is used for filtering before outputting to filter out an unnecessary frequency band, so as to ensure the stability of the output voltage. In this embodiment, after passing through the voltage conversion chip IC2 and the RC filter circuit 421 in sequence, the dc power of 12V 2A is output from the second dc output port CN 5.
The RC filter circuit 421 includes a filter capacitor C27 and a filter resistor R46, the filter capacitor C27 and the filter resistor R46 are connected in series, the filter capacitor C27 is further connected to the fifth pin and the sixth pin of the voltage conversion chip IC2, and the filter resistor R46 is further grounded.
An inductor L1 is further disposed between the RC filter circuit 421 and the second dc output port CN 5. The inductor L1 also has a filtering effect, so as to enhance the filtering effect.
In another embodiment of the present invention, as shown in fig. 1-2, the input protection circuit 100 includes a lightning protection input circuit 110, an EMI filter circuit 120, and a rectifier circuit 130, which are connected in sequence.
Wherein, the lightning protection input circuit 110 comprises a fuse F1, a thermistor RT1 and a piezoresistor RV1,
the fuse F1 is connected with a voltage input port CN1, the thermistor RT1 is connected with the fuse F1, one end of the piezoresistor RV1 is connected with the thermistor RT1, and the other end of the piezoresistor RV1 is connected with the voltage input port CN 1. The voltage dependent resistor RV1 is also connected to the EMI filter circuit 120. The thermal shock to the power supply caused by repeated startup and shutdown can be borne by arranging the thermistor RT1 in the lightning protection input circuit 110; through setting up piezo-resistor RV1, the influence that the messenger can tolerate to cause because of thunderstorm weather to the product has certain lightning protection ability.
The rectifying circuit 130 comprises a rectifying bridge BD1 and a first electrolytic capacitor EC1, a first input end and a third input end of the rectifying bridge BD1 are respectively connected with a first output end and a second output end of the second common-mode inductor LF2, an anode of the first inductive capacitor EC1 is connected with a second output end of the rectifying bridge BD1, and a cathode of the first inductive capacitor EC1 is further connected with a protective ground. In this embodiment, the model of the rectifier bridge BD1 is preferably KBL 406.
In another embodiment of the present invention, as shown in fig. 2, the power conversion circuit 200 includes a transformer circuit 210, a PWM control circuit 220 and an output feedback circuit 230, the transformer circuit 210 is connected to the rectification circuit 130, the PWM control circuit 220 is connected to the transformer circuit 210, the output feedback circuit 230 is connected to the transformer circuit 210 and the PWM control circuit 220, and the output feedback circuit 230 is further connected to the first dc output circuit 300.
The transformer circuit 210 includes a transformer T1, a primary winding of the transformer T1 is connected to the rectifying circuit 130 and the PWM control circuit 220, and a secondary winding of the transformer T1 is connected to the first dc output circuit 300 and the output feedback circuit 230.
The PWM control circuit 220 includes a PWM control chip IC1 and a first switch Q1, the drain of the first switch Q1 is connected to the primary winding of the transformer T1, the gate of the first switch Q1 is connected to the sixth pin of the PWM control chip IC1, and the PWM control chip IC1 is further connected to the output feedback circuit 230. In this embodiment, the model of the PWM control chip IC1 is preferably OB 2362.
The output feedback circuit 230 includes an opto-coupler. The photocoupler in this embodiment is divided into two parts, i.e., a photocoupler OP1A and a photocoupler OP 1B. A first pin of the photoelectric coupler OP1A is connected to the secondary winding of the transformer T1, and a fourth pin of the photoelectric coupler OP1B is connected to the second pin of the PWM control chip IC 1. The output feedback circuit 230 in this embodiment is a prior art and is not a key point to be protected in this application, and the working principle thereof is not described in detail in this application.
When the 100-plus-240 VAC power passes through the input protection circuit 100 and then reaches the power conversion circuit 200, the PWM control circuit 220 controls the transformer T1 to perform voltage conversion, and outputs a low-voltage direct current, which is fed back to the PWM control chip IC1 through the output feedback circuit 230, and the PWM control chip IC1 controls the transformer T1 according to the obtained feedback information, thereby ensuring the stability of the output voltage.
In another embodiment of the present invention, as shown in fig. 1-2, the first dc output circuit 300 includes a first output filter circuit 310 and a first dc output port CN4, the first output filter circuit 310 is connected to the transformer circuit 210, and the first dc output port CN4 is connected to the first output filter circuit 310. Specifically, the first output filter circuit 310 is connected to the secondary winding of the transformer T1.
The first output filter circuit 310 includes a fourth common-mode inductor LF4, an input end of the fourth common-mode inductor LF4 is connected to the transformer circuit 210, and an output end of the fourth common-mode inductor LF4 is connected to the first dc output port CN 4. Specifically, the input terminal of the fourth common-mode inductor LF4 is connected to the secondary winding of the transformer T1. The first output terminal of the fourth common mode inductor LF4 outputs a dc voltage Vout +, which is connected to the fourth pin of the voltage conversion chip IC 2. In this embodiment, the dc voltage Vout + is the voltage output by the first dc output port CN4 and is a safety isolation voltage of 24V, so as to protect the safety of the related user and greatly improve the safety performance.
In another embodiment of the present invention, there is also provided a massage chair including the dual output massage chair power supply.
Because of the massage armchair contained foretell dual output massage armchair power, the event the massage armchair also has the user demand that can satisfy the user, improves user experience's advantage.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A dual-output massage armchair power supply comprises an input protection circuit, a power conversion circuit and a first direct current output circuit which are sequentially connected, and is characterized by further comprising a second direct current output circuit, wherein the second direct current output circuit is connected with the first direct current output circuit; the second direct current output circuit includes:
the direct-current voltage conversion circuit is connected with the first direct-current output circuit and is used for converting one path of direct current output by the first direct-current output circuit into the other path of direct current to be output;
and the second output filter circuit is connected with the direct-current voltage conversion circuit and is used for filtering and outputting the direct-current electricity converted and output by the direct-current voltage conversion circuit.
2. The dual-output massage chair power supply of claim 1, wherein the dc voltage conversion circuit comprises a voltage conversion chip, the voltage conversion chip being connected to the first dc output circuit, the voltage conversion chip being further connected to the second output filter circuit.
3. The dual-output massage chair power supply as claimed in claim 2, wherein the second output filter circuit comprises an RC filter circuit and a second dc output port, the RC filter circuit is connected to the voltage conversion chip, and the second dc output port is connected to the RC filter circuit.
4. The dual-output massage chair power supply as claimed in claim 3, wherein the RC filter circuit comprises a filter capacitor and a filter resistor, the filter capacitor and the filter resistor are connected in series, the filter capacitor is further connected to the fifth pin and the sixth pin of the voltage conversion chip, and the filter resistor is further grounded.
5. The dual-output massage chair power supply as claimed in claim 3, wherein an inductor is further disposed between the RC filter circuit and the second dc output port.
6. The dual-output massage chair power supply as claimed in any one of claims 1-5, wherein the input protection circuit comprises a lightning protection input circuit, an EMI filter circuit and a rectifier circuit connected in sequence.
7. The dual-output massage chair power supply as claimed in claim 6, wherein the lightning protection input circuit comprises a fuse, a thermistor and a varistor, the fuse and the thermistor are respectively connected to a voltage input port, two ends of the varistor are respectively connected to the fuse and the thermistor, and the varistor is further connected to the filter circuit.
8. The dual-output massage chair power supply as claimed in claim 6, wherein the power conversion circuit comprises a transformer circuit, a PWM control circuit and an output feedback circuit, the transformer circuit is connected to the rectification circuit, the PWM control circuit is connected to the transformer circuit, the output feedback circuit is respectively connected to the transformer circuit and the PWM control circuit, and the output feedback circuit is further connected to the DC output circuit.
9. The dual-output massage chair power supply of claim 8, wherein the dc output circuit comprises an output filter circuit and a first dc output port, the output filter circuit being connected to the transformer circuit, the first dc output port being connected to the output filter circuit.
10. A massage chair comprising the dual output massage chair power supply of any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423520.4U CN211405875U (en) | 2020-03-27 | 2020-03-27 | Dual-output massage armchair power supply and massage armchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423520.4U CN211405875U (en) | 2020-03-27 | 2020-03-27 | Dual-output massage armchair power supply and massage armchair |
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| Publication Number | Publication Date |
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| CN211405875U true CN211405875U (en) | 2020-09-01 |
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| CN202020423520.4U Active CN211405875U (en) | 2020-03-27 | 2020-03-27 | Dual-output massage armchair power supply and massage armchair |
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| CN (1) | CN211405875U (en) |
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