CN211859953U - Massage armchair power supply compatible with direct current and alternating current output and massage armchair - Google Patents
Massage armchair power supply compatible with direct current and alternating current output and massage armchair Download PDFInfo
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- CN211859953U CN211859953U CN202020423586.3U CN202020423586U CN211859953U CN 211859953 U CN211859953 U CN 211859953U CN 202020423586 U CN202020423586 U CN 202020423586U CN 211859953 U CN211859953 U CN 211859953U
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Abstract
The utility model belongs to the technical field of the massage armchair, especially, relate to a massage armchair power of compatible direct current and interchange output, including input protection circuit, power conversion circuit and the direct current output circuit who connects gradually, still include alternating current-direct current conversion circuit and alternating current-direct current conversion control circuit. The utility model discloses a set up the AC/DC conversion circuit with AC/DC conversion control circuit, and make the AC/DC conversion circuit with DC output circuit's output is connected under AC/DC conversion control circuit's control so that the DC conversion of DC output circuit output is the alternating current, thereby makes on the one hand pass through DC output circuit output direct current, can make again AC/DC conversion circuit output alternating current circuit to make a power can export interchange and direct current simultaneously, make a power can be applied to the massage armchair that two kinds of different power requirements, very big promotion user experience when reducing production cost has high practicality again.
Description
Technical Field
The utility model belongs to the technical field of massage armchair, especially, relate to a massage armchair power supply and massage armchair of compatible direct current and interchange output.
Background
Along with the improvement of living standard of people, the massage armchair gradually enters the daily life of people. The massage chairs are various in types and can be divided into two types according to power supply, namely a direct-current power supply air pump massage chair and an alternating-current power supply air pump massage chair.
Direct current power supplies and alternating current power supplies matched with massage chairs are released by manufacturers aiming at the two massage chairs, but the power supplies on the market are all set in a single function mode, namely the power supplies can only output alternating current or direct current, so that the alternating current power supplies can only be matched with the direct current power supplies and the air pump massage chairs, the alternating current power supplies can only be matched with the alternating current power supplies and the air pump massage chairs, and the function that one power supply is suitable for the two massage chairs at the same time cannot be achieved. On one hand, the research and development cost is easily increased when two types of power supplies are researched and developed respectively, and further the production cost is increased; on the other hand, the user experience of the user is greatly influenced due to the single power supply function.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a massage armchair power and massage armchair of compatible direct current and interchange output aims at solving among the prior art technical problem that a power can not compatible direct current and interchange output simultaneously.
In order to achieve the above object, an embodiment of the present invention provides a massage chair power supply compatible with dc and ac outputs, including an input protection circuit, a power conversion circuit and a dc output circuit, which are connected in sequence.
The massage chair power supply compatible with direct current and alternating current output further comprises:
the alternating current-direct current conversion circuit is connected with the output end of the direct current output circuit;
and the alternating current-direct current conversion control circuit is connected with the alternating current-direct current conversion circuit and is used for controlling the alternating current-direct current conversion circuit to convert the direct current output by the direct current output circuit into alternating current.
Optionally, the ac-dc conversion circuit includes a first conversion circuit, a second conversion circuit, and an ac output port, the first conversion circuit and the second conversion circuit are both connected to the dc output circuit and the ac-dc conversion control circuit, and the ac output port is connected to the first conversion circuit and the second conversion circuit.
Optionally, the first conversion circuit and the second conversion circuit each include a dc-ac conversion chip, input control ends of the two dc-ac conversion chips are connected to the ac-dc conversion control circuit, and output ends of the two dc-ac conversion chips are connected to the ac output port.
Optionally, the ac-dc conversion control circuit includes a conversion control chip and a control port, the conversion control chip is connected to the control port, and the control port is connected to the input control terminals of the two dc-ac conversion chips respectively.
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 dc output port, the output filter circuit is connected to the transformer circuit, and the dc output port is connected to the output filter circuit.
Optionally, the output filter circuit includes a third common-mode inductor, an input end of the third common-mode inductor is connected to the transformer circuit, and an output end of the third common-mode inductor is connected to the dc output port.
The embodiment of the utility model provides an above-mentioned one or more technical scheme in compatible direct current and the massage armchair power of interchange output have one of following technological effect at least: the utility model discloses a set up the AC/DC conversion circuit with AC/DC conversion control circuit, and make the AC/DC conversion circuit with DC output circuit's output is connected under AC/DC conversion control circuit's control so that the DC conversion of DC output circuit output is the alternating current, thereby makes on the one hand pass through DC output circuit output direct current, can make again AC/DC conversion circuit output alternating current circuit to make a power can export interchange and direct current simultaneously, make a power can be applied to the massage armchair that two kinds of different power requirements, very big promotion user experience when reduction in production cost has high practicality.
In order to achieve the above object, the embodiment of the present invention further provides a massage chair, which includes the above massage chair power supply compatible with dc and ac outputs.
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 the massage armchair includes the massage armchair power supply of above-mentioned compatible direct current and interchange output, so the massage armchair also has reduction in production cost, user experience's that can also very big promotion user'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 circuit block diagram of a massage chair power supply compatible with dc and ac outputs provided in an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of a massage chair power supply compatible with dc and ac outputs provided in the embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
the power conversion circuit comprises an input protection circuit 100, a lightning protection input circuit 110, an EMI filter circuit 120, a rectification circuit 130, a power conversion circuit 200, a transformer circuit 210, a PWM control circuit 220, an output feedback circuit 230, a direct current output circuit 300, an output filter circuit 310, an alternating current-direct current conversion circuit 400, a first conversion circuit 410, a second conversion circuit 420, an alternating current-direct current conversion control circuit 500 and a conversion control chip 510.
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 an embodiment of the present invention, as shown in fig. 1-2, a massage chair power supply compatible with dc and ac outputs is provided, which includes an input protection circuit 100, a power conversion circuit 200 and a dc output circuit 300 connected in sequence.
The massage chair power supply compatible with the direct current output and the alternating current output further comprises an alternating current-direct current conversion circuit 400 and an alternating current-direct current conversion control circuit 500.
The ac-dc conversion circuit 500 is connected to an output terminal of the dc output circuit 400;
the ac/dc conversion control circuit 500 is connected to the ac/dc conversion circuit 400, and is configured to control the ac/dc conversion circuit 400 to convert the dc power output by the dc output circuit 300 into ac power.
The utility model discloses a set up alternating current-direct current conversion circuit 400 with alternating current-direct current conversion control circuit 500, and make alternating current-direct current conversion circuit 400 with direct current output circuit 300's output is connected so that under alternating current-direct current conversion control circuit 500's control direct current conversion that direct current output circuit 300 exported is the alternating current, thereby makes to pass through on the one hand direct current output circuit 300 exports the direct current, can make again alternating current circuit is exported to alternating current-direct current conversion circuit 400 to make a power can export interchange and direct current simultaneously, make a power can be applied to the massage armchair that two kinds of different power required, very big promotion user's user experience when reduction in production cost has had high practicality.
In another embodiment of the present invention, as shown in fig. 2, the ac-dc converter circuit 400 includes a first converter circuit 410, a second converter circuit 420 and an ac output port CN3, the first converter circuit 410 and the second converter circuit 420 are connected to the dc output circuit 300 and the ac-dc converter control circuit 500, and the ac output port CN3 is connected to the first converter circuit 410 and the second converter circuit 420.
The first converting circuit 410 and the second converting circuit 420 both include a dc-ac converting chip, the input control ends of the two dc-ac converting chips are both connected to the ac-dc converting control circuit 500, and the output ends of the two dc-ac converting chips are both connected to the ac output port CN 3. Specifically, in this embodiment, the numbers of the two dc/ac conversion chips are IC4 and IC5, i.e., the numbers are ac 4 and IC5, respectively. And the input control ends of the direct current-alternating current conversion chip IC4 and the direct current-alternating current conversion chip IC5 are a second pin and a fourth pin. The fifth pin, the sixth pin, the seventh pin and the eighth pin of the dc-ac conversion chip IC4 and the dc-ac conversion chip IC5 are respectively connected to the ac output port CN 3. Preferably, the types of the dc-ac conversion chip IC4 and the dc-ac conversion chip IC5 are both STC 461.
The ac-dc conversion control circuit 500 includes a conversion control chip 510 and a control port CN4, the conversion control chip 510 is connected to the control port CN4, and the control port CN4 is connected to the input control ends of the two dc-ac conversion chips, respectively. Specifically, a first pin of the control port CN4 is connected to second pins of the dc-ac conversion chip IC4 and the dc-ac conversion chip IC5, and a second pin of the control port CN4 is connected to a switch MOS transistor and then connected to fourth pins of the dc-ac conversion chip IC4 and the dc-ac conversion chip IC 5. The dc power output from the dc output circuit 300 is converted into ac power by the dc/ac conversion chip IC4 and the dc/ac conversion chip IC5 under the control of the conversion control chip 510, and then output from the ac output port CN 3. The model of the transformation control chip 510 in this embodiment is preferably STM32F103RCT 6.
It should be noted that, after querying the data manual of the conversion control chip 510, a person skilled in the art should know the control principle, and how the conversion control chip 510 controls is not the key point of the protection of the present invention, so it is to this time, and this application is not repeated.
Thus, when the air pump massage chair is applied to the DC power supply air pump massage chair, the DC air pump of the DC power supply air pump massage chair is connected with the output end of the DC output circuit 300, and when the air pump massage chair is applied to the AC power supply air pump massage chair, the AC air pump is connected with the AC output port CN 3.
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.
The lightning protection input circuit 110 comprises a fuse F1, a thermistor RT1 and a piezoresistor RV1, wherein the fuse F1 and the thermistor RT1 are respectively connected with a voltage input port CN1, two ends of the piezoresistor RV1 are respectively connected with the fuse F1 and the thermistor RT1, and the piezoresistor RV1 is further connected with the EMI filter circuit. 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 C1, 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 C1 is connected with a second output end of the rectifying bridge BD1, and a cathode of the first inductive capacitor C1 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 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 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, which are the photocoupler U2A and the photocoupler U2B. A first pin of the photocoupler U2A is connected with the secondary winding of the transformer T1, and a fourth pin of the photocoupler U2B is connected with 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 100-240VAC 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, outputs low-voltage direct current, the low-voltage direct current 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 dc output circuit 300 includes an output filter circuit 310 and a dc output port CN2, the output filter circuit 310 is connected to the transformer circuit 210, and the dc output port CN2 is connected to the output filter circuit 310. Specifically, the output filter circuit 310 is connected to the secondary winding of the transformer T1.
The output filter circuit 310 includes a third common-mode inductor LF3, an input end of the third common-mode inductor LF3 is connected to the transformer circuit 210, and an output end of the third common-mode inductor LF3 is connected to the dc output port CN 2. Specifically, the input terminal of the third common mode inductor LF3 is connected to the secondary winding of the transformer T1. In this embodiment, the voltage output by the dc output port CN2 is a safety isolation voltage of 24V, so as to protect the safety of related users and greatly improve the safety performance.
In another embodiment of the present invention, there is provided a massage chair, wherein the massage chair power supply is compatible with both dc and ac output.
Because the massage armchair includes the massage armchair power supply of above-mentioned compatible direct current and interchange output, so the massage armchair also has reduction in production cost, user experience's that can also very big promotion user'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. The utility model provides a compatible direct current and massage armchair power supply of interchange output, includes input protection circuit, power conversion circuit and the direct current output circuit who connects gradually, its characterized in that still includes:
the alternating current-direct current conversion circuit is connected with the output end of the direct current output circuit;
and the alternating current-direct current conversion control circuit is connected with the alternating current-direct current conversion circuit and is used for controlling the alternating current-direct current conversion circuit to convert the direct current output by the direct current output circuit into alternating current.
2. The massage chair power supply compatible with direct current and alternating current output of claim 1, wherein the alternating current-direct current conversion circuit comprises a first conversion circuit, a second conversion circuit and an alternating current output port, the first conversion circuit and the second conversion circuit are connected with the direct current output circuit and the alternating current-direct current conversion control circuit, and the alternating current output port is connected with the first conversion circuit and the second conversion circuit.
3. The massage chair power supply compatible with dc and ac output of claim 2, wherein the first converting circuit and the second converting circuit each comprise a dc-ac converting chip, the input control terminals of the dc-ac converting chips are connected to the ac-dc converting control circuit, and the output terminals of the dc-ac converting chips are connected to the ac output port.
4. The massage chair power supply compatible with direct current and alternating current output of claim 3, wherein the alternating current-direct current conversion control circuit comprises a conversion control chip and a control port, the conversion control chip is connected with the control port, and the control port is respectively connected with the input control ends of the two direct current-alternating current conversion chips.
5. The massage chair power supply compatible with direct current and alternating current output of any one of claims 1-4, wherein the input protection circuit comprises a lightning protection input circuit, an EMI filter circuit and a rectification circuit which are connected in sequence.
6. The massage chair power supply compatible with direct current and alternating current output of claim 5, wherein the lightning protection input circuit comprises a fuse, a thermistor and a piezoresistor, the fuse and the thermistor are respectively connected with a voltage input port, two ends of the piezoresistor are respectively connected with the fuse and the thermistor, and the piezoresistor is further connected with the filter circuit.
7. The massage chair power supply compatible with DC and AC output as claimed in claim 5, wherein the power conversion circuit comprises a transformer circuit, a PWM control circuit and an output feedback circuit, the transformer circuit is connected with the rectification circuit, the PWM control circuit is connected with the transformer circuit, the output feedback circuit is respectively connected with the transformer circuit and the PWM control circuit, and the output feedback circuit is further connected with the DC output circuit.
8. The massage chair power supply compatible with dc and ac output of claim 7, wherein the dc output circuit comprises an output filter circuit and a dc output port, the output filter circuit is connected to the transformer circuit, and the dc output port is connected to the output filter circuit.
9. The massage chair power supply compatible with dc and ac outputs of claim 8, wherein the output filter circuit comprises a third common mode inductor, an input terminal of the third common mode inductor is connected to the transformer circuit, and an output terminal of the third common mode inductor is connected to the dc output port.
10. A massage chair, wherein the massage chair comprises the dc and ac output compatible massage chair power supply of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423586.3U CN211859953U (en) | 2020-03-27 | 2020-03-27 | Massage armchair power supply compatible with direct current and alternating current output and massage armchair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020423586.3U CN211859953U (en) | 2020-03-27 | 2020-03-27 | Massage armchair power supply compatible with direct current and alternating current output and massage armchair |
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| Publication Number | Publication Date |
|---|---|
| CN211859953U true CN211859953U (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020423586.3U Active CN211859953U (en) | 2020-03-27 | 2020-03-27 | Massage armchair power supply compatible with direct current and alternating current output and massage armchair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211859953U (en) |
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2020
- 2020-03-27 CN CN202020423586.3U patent/CN211859953U/en active Active
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