CN2664651Y - Armature voltage negative feedback type control device for motor of massage chair/mat - Google Patents
Armature voltage negative feedback type control device for motor of massage chair/mat Download PDFInfo
- Publication number
- CN2664651Y CN2664651Y CNU2003201173221U CN200320117322U CN2664651Y CN 2664651 Y CN2664651 Y CN 2664651Y CN U2003201173221 U CNU2003201173221 U CN U2003201173221U CN 200320117322 U CN200320117322 U CN 200320117322U CN 2664651 Y CN2664651 Y CN 2664651Y
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- China
- Prior art keywords
- massage
- motor
- armature voltage
- circuit
- comparison circuit
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- Expired - Fee Related
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Abstract
The utility model relates to automatic control technical field, in particular to an armature voltage negative feedback type control device for motor of massage chair mat, which comprises a synchronous circuit, a massage stress given input part, a controllable silicon control angle adjusting part, a motion part, a massage motor, a motor armature voltage Ua detection and protection circuit, an addition conversion circuit, a comparison circuit and a massage execution mechanism. The armature voltage of the massage motor can feedback to the input end of the comparison circuit through the motor armature voltage Ua detection and protection circuit and an A/D conversion circuit to compare with the value of the comparison circuit of the massage stress given input part. When the armature voltage of the massage motor is inconsistent with the value of the massage stress given input part, the controllable silicon control angle adjusting part can increase/decrease the speed of the massage motor by the motion part correspondingly. The massage stress changes with the change of external load, thereby reaching massage stress meeting the demands of users.
Description
Technical field:
This utility model relates to the automatic control technology field, the control device of especially a kind of massage armchair/pad.
Background technology:
Current, with the quickening pace of modern life, people except hope can relax nervous nerve, wish that also the health of oneself can relax as far as possible after the work of anxiety, so that there is more abundant energy to meet going up and challenge in life from work of next round.Various massage armchairs/the pad of Chu Xianing is just in order to satisfy the needs of people's this respect in the market, see shown in the accompanying drawing 1: existing massage armchair/pad, its inner control device mainly include synchronous circuit unit, the given unit of massage force, SCR control angle regulon, power unit, massage motor and massage actuator.During use, give SCR control angle regulon by the given unit input of massage force setting value, give power section (controllable silicon) by SCR control angle regulon output control signal, and by its driving massage motor, drive the massage actuator by massage motor again, like this, action is promptly massaged, kneads and beat to massage mechanism accordingly on the health of user, make the health of user be loosened.But we from accompanying drawing 1 as can be seen, because the open loop control mode that the control device of this massage armchair/pad adopts, the negative feedback part is not set, in use, control device can't correspondingly be adjusted the rotating speed of massage motor (direct current generator) according to extraneous load size, promptly be massaged the dynamics of actuator.But we know: because the body weight of user, fat or thin different, for the lighter people of body weight, the pressure that massage appliance is subjected to is less, the rotating speed of its massage motor compare during with zero load change little; But the people that body weight is big, health is strong is just bigger to the massage appliance applied pressure, that is to say that the load of massage motor is bigger, causes the speed of massage motor significantly to descend, and does not reach the required dynamics of user; Secondly, when the massage actuator is massaged at the different position of health, because human body has certain curve, the position that curve is given prominence to also causes the speed of massage motor that obvious decline is arranged to the pressure ratio that massage appliance produces big (when carrying out the massage action as the massage actuator) easily; In addition, even the massage actuator is fixed on a certain position massage (when carrying out the kneading action as the massage actuator), because the bodily form difference of user, some place also may descend because of pressure causes the speed of massage motor greatly; At last, some can realize sitting posture and the massage armchair of various attitudes such as lie down, and exists too because of load causes the dynamics of massage appliance greatly and regulates the situation by mount request that does not reach user.
Summary of the invention:
The purpose of this utility model just is to provide at the deficiencies in the prior art part a kind of control device of the massage armchair/pad that can address the above problem.
For achieving the above object; this utility model includes synchronous circuit; massage force is given certain portions; part is regulated at the SCR control angle; power section; massage motor and massage actuator; detect and holding circuit to also being provided with armature voltage U a between the certain portions in massage motor and massage force; A/D change-over circuit and comparison circuit; the armature voltage of massage motor detects and holding circuit through armature voltage U a; the A/D change-over circuit feeds back to the input of comparison circuit and massage force and compares to the numerical value of certain portions input comparison circuit, regulates the rotating speed of part with the control massage motor for the SCR control angle by comparison circuit output control signal.
It is the microprocessor of PIC16C74D in model that part, comparison circuit and A/D change-over circuit are regulated in described SCR control angle.
The beneficial effects of the utility model are: because this utility model detects and holding circuit to armature voltage U a also is set between the certain portions in massage motor and massage force; A/D change-over circuit and comparison circuit; make the armature voltage of massage motor to detect and holding circuit through armature voltage U a; the A/D change-over circuit feeds back to the unitary input of comparison circuit and compares with the numerical value of being imported in the comparison circuit to certain portions by massage force; when the armature voltage of massage motor is not inconsistent with the numerical value of being imported to certain portions by massage force; part can correspondingly improve/reduce massage motor by power section rotating speed is regulated at the SCR control angle; the situation according to extraneous load that is to say changes massage force, thereby obtains making the massage effect of user satisfaction.
Description of drawings:
Below in conjunction with accompanying drawing this utility model is described further:
Accompanying drawing 1 is the theory diagram of the control device of existing massage armchair/pad
Accompanying drawing 2 is the theory diagram of the control device of massage armchair of the present utility model/pad
Accompanying drawing 3 is that the armature voltage U a in the accompanying drawing 2 detects and the schematic diagram of holding circuit
The specific embodiment:
See shown in the accompanying drawing 2: this utility model includes synchronous circuit; massage force is given certain portions; part is regulated at the SCR control angle; power section; massage motor; armature voltage U a detects and holding circuit; the A/D change-over circuit; comparison circuit and massage actuator; wherein; armature voltage U a detects and holding circuit; A/D change-over circuit and comparison circuit are arranged on massage motor and massage force is given between the certain portions; for making circuit structure compacter simple, it can be that the microprocessor of PIC16C74D replaces with model that part and comparison circuit part and A/D change-over circuit are regulated in the SCR control angle.It should be noted because armature voltage is up to 120V, and microprocessor (CPU) to be the COMS circuit constitute, must be so be added to the voltage at microprocessor two ends, otherwise will damage the function of microprocessor (CPU) less than 7V, make microprocessor (CPU) inefficacy.Therefore; armature voltage U a testing circuit must connect holding circuit; from accompanying drawing 2, can see; dual-electrode protecting circuit in parallel in the armature voltage U a testing circuit of the present utility model; this dual-electrode protecting circuit is made of the Zener diode ZR1, the ZR2 that oppositely are serially connected and ZR3, ZR4 respectively; like this, the detected voltage of armature voltage U a testing circuit is added on the microprocessor through becoming low pressure after the holding circuit.
In use; when the load variations of massage motor; armature voltage U a detects and holding circuit is converted into signal (this signal and armature voltage U a are proportional) below the 7V with armature voltage; and deliver to the setting value that comparison circuit and massage force import to certain portions through the conversion of A/D change-over circuit and compare; by comparison circuit comparative result being delivered to the SCR control angle regulates in the part; regulate part by control silicon pilot angle again and adjust the rotating speed of massage motor, thereby obtain the required massage force of user by power section.
Claims (2)
1. the armature voltage negative reaction type control device of massage armchair/pad; include: synchronous circuit; massage force is given certain portions; part is regulated at the SCR control angle; power section; massage motor and massage actuator; it is characterized in that: detect and holding circuit to also being provided with armature voltage U a between the certain portions in massage motor and massage force; A/D change-over circuit and comparison circuit; the armature voltage of massage motor detects and holding circuit through armature voltage U a; the A/D change-over circuit feeds back to the input of comparison circuit and massage force and compares to the numerical value of certain portions input comparison circuit, regulates the rotating speed of part with the control massage motor for the SCR control angle by comparison circuit output control signal.
2. the armature voltage negative reaction type control device of massage armchair according to claim 1/pad is characterized in that: it is the microprocessor internal of PIC16C74D in model that part, comparison circuit and A/D change-over circuit are regulated in described SCR control angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201173221U CN2664651Y (en) | 2003-10-24 | 2003-10-24 | Armature voltage negative feedback type control device for motor of massage chair/mat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201173221U CN2664651Y (en) | 2003-10-24 | 2003-10-24 | Armature voltage negative feedback type control device for motor of massage chair/mat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2664651Y true CN2664651Y (en) | 2004-12-22 |
Family
ID=34346675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2003201173221U Expired - Fee Related CN2664651Y (en) | 2003-10-24 | 2003-10-24 | Armature voltage negative feedback type control device for motor of massage chair/mat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2664651Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133406B (en) * | 2014-07-29 | 2016-08-31 | 合肥工业大学 | A kind of automatic control system adjusted for massage bed pressure |
| CN111759711A (en) * | 2020-07-29 | 2020-10-13 | 无锡魔驰科技有限公司 | Massager pressure feedback and regulation method, device and equipment |
| WO2021072751A1 (en) * | 2019-10-18 | 2021-04-22 | 郑州飞龙医疗设备有限公司 | Method for controlling striking strength of pulse therapy gun |
-
2003
- 2003-10-24 CN CNU2003201173221U patent/CN2664651Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104133406B (en) * | 2014-07-29 | 2016-08-31 | 合肥工业大学 | A kind of automatic control system adjusted for massage bed pressure |
| WO2021072751A1 (en) * | 2019-10-18 | 2021-04-22 | 郑州飞龙医疗设备有限公司 | Method for controlling striking strength of pulse therapy gun |
| CN111759711A (en) * | 2020-07-29 | 2020-10-13 | 无锡魔驰科技有限公司 | Massager pressure feedback and regulation method, device and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |