CN215307953U - Massage armchair core position detection system - Google Patents
Massage armchair core position detection system Download PDFInfo
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- CN215307953U CN215307953U CN202121183802.2U CN202121183802U CN215307953U CN 215307953 U CN215307953 U CN 215307953U CN 202121183802 U CN202121183802 U CN 202121183802U CN 215307953 U CN215307953 U CN 215307953U
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- resistance wire
- massage
- elastic sheet
- conductive elastic
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Abstract
The utility model provides a massage chair core position detection system which comprises a conductive elastic sheet fixedly arranged on a massage chair core and a distance measurement resistance wire arranged on a frame of a massage chair, wherein one end of the conductive elastic sheet is in sliding contact fit with the distance measurement resistance wire, one end of the distance measurement resistance wire is electrically connected with a ground wire of a power supply, the other end of the conductive elastic sheet or the other end of the distance measurement resistance wire is electrically connected with a live wire of the power supply, and the conductive elastic sheet is electrically connected with a micro control unit of the massage chair. In the moving process of the massage machine core, the conductive elastic sheet is driven to move together, the voltage at the contact position of the conductive elastic sheet and the distance measuring resistance wire changes along with the position change of the conductive elastic sheet on the distance measuring resistance wire, the conductive elastic sheet can feed back the voltage signal to the micro control unit, and the micro control unit can calculate the position of the conductive elastic sheet on the distance measuring resistance wire according to the voltage, so that the position of the massage machine core is detected.
Description
Technical Field
The utility model relates to the technical field of massage chairs, in particular to a massage chair movement position detection system.
Background
At present, when a massage chair is used for massaging, the body type of a massager is firstly detected, so that massage procedures suitable for different massagers are selected according to the body types of the different massagers, and the comfort of the massage chair is improved. Therefore, the body type detection technology of the massage chair is also an important index for measuring the comfort of the massage chair. In the massage chair body type detection process, the movement position detection is one of the more key technologies. The stroke position of massage armchair core is all measured with the hall count mode on the massage core to massage armchair usually, and this kind of detection mode can constantly add up the error under the condition that the motor frequently opened and stops, causes the core stroke position accurate inadequately, and spacing signal comes work about spacing signal about this detection mode still needs to rely on simultaneously, and the reliability is high inadequately, and the cost is also higher relatively.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned shortcomings of the prior art, the present invention provides a massage chair movement position detection system with low cost.
In order to achieve the purpose, the utility model provides a massage chair movement position detection system which comprises a conductive elastic sheet fixedly arranged on a massage chair movement and a distance measurement resistance wire arranged on a machine frame of a massage chair, wherein one end of the conductive elastic sheet is in sliding contact fit with the distance measurement resistance wire, one end of the distance measurement resistance wire is electrically connected with a ground wire of a power supply, the other end of the conductive elastic sheet or the other end of the distance measurement resistance wire is electrically connected with a live wire of the power supply, and the conductive elastic sheet is electrically connected with a micro control unit of the massage chair.
Further, when the other end of the conductive elastic sheet is electrically connected with the live wire of the power supply, the other end of the conductive elastic sheet is electrically connected with the live wire of the power supply through the pull-up resistor.
Furthermore, the other end of the conductive elastic sheet is electrically connected with the micro control unit through a current limiting resistor.
Furthermore, a guide rail is arranged on the rack, and the distance measuring resistance wire is fixedly arranged in a groove of the guide rail.
Further, the groove width of the groove is equal to the diameter of the distance measuring resistance wire.
Furthermore, the distance measuring resistance wire is installed on two side edges of the rack, the conductive elastic pieces are installed on two side edges of the massage machine core, and the conductive elastic pieces and the distance measuring resistance wire located on the same side are in sliding contact fit.
Furthermore, the extending shape of the distance measuring resistance wire is the same as the motion track of the massage machine core.
Furthermore, one end of the conductive elastic sheet is provided with a contact part in a fillet structure, and the contact part is in sliding contact fit with the distance measuring resistance wire.
Furthermore, the other end of the conductive elastic sheet is fixedly connected with the massage machine core through a bolt.
Furthermore, the other end of the conductive elastic sheet is provided with a bent part, the bent part is provided with a fixing hole, and the bolt penetrates through the fixing hole and is fixedly connected with the massage machine core.
As described above, the massage chair movement position detection system according to the present invention has the following beneficial effects:
the working principle of the massage chair movement position detection system is as follows: in the massage core removes the in-process, will drive electrically conductive shell fragment and remove together, and simultaneously, the one end and the range finding resistance wire sliding contact cooperation of electrically conductive shell fragment, because the one end of range finding resistance wire and the ground wire electric connection of power, the other end of electrically conductive shell fragment and the live wire electric connection of power, then the voltage size of electrically conductive shell fragment and range finding resistance wire department of contact will change along with the position change of electrically conductive shell fragment on the range finding resistance wire, and electrically conductive shell fragment can give this voltage signal of little the control unit feedback, little the control unit just can calculate the position of electrically conductive shell fragment on the range finding resistance wire according to the voltage size, and then reachs the position of massage core, realize the detection to massage core position. The massage chair movement position detection system is simple in overall structure, low in cost, and high in detection accuracy and reliability.
Drawings
Fig. 1 is a schematic structural diagram of a rack according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a massage chair movement position detection system according to an embodiment of the present invention.
Fig. 3 is an enlarged view of circle a in fig. 2.
Fig. 4 is a schematic diagram of a massage chair movement position detection system according to an embodiment of the present invention.
Fig. 5 is a schematic diagram illustrating a matching between a conductive elastic sheet and a distance measuring resistance wire according to an embodiment of the utility model.
Fig. 6 is a schematic structural diagram of a distance measuring resistance wire in the first embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a conductive elastic sheet according to an embodiment of the utility model.
Fig. 8 is a schematic structural diagram of a guide rail according to an embodiment of the present invention.
Fig. 9 is an enlarged view of circle B in fig. 8.
Description of the element reference numerals
1 machine frame
11 backrest frame
2 distance measuring resistance wire
3 guide rail
31 groove
4 conductive elastic sheet
41 contact part
42 bent part
421 fixed hole
5 massage machine core
6 pull-up resistor
7 current limiting resistor
8 connecting block
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings are only used for matching the disclosure of the present disclosure, and are not used for limiting the conditions of the present disclosure, so that the present disclosure is not limited to the technical essence, and any modifications of the structures, changes of the ratios, or adjustments of the sizes, can still fall within the scope of the present disclosure without affecting the function and the achievable purpose of the present disclosure. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description only, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention unless otherwise specified.
Example one
As shown in fig. 1 to 9, this embodiment provides a massage armchair core position detection system, including electrically conductive shell fragment 4 of fixed mounting on massage core 5, and install range finding resistance wire 2 on frame 1 of massage armchair, the one end of electrically conductive shell fragment 4 and 2 sliding contact cooperations of range finding resistance wire, the one end of range finding resistance wire 2 and the ground wire electric connection of power, the other end of electrically conductive shell fragment 4 and the live wire electric connection of power, and electrically conductive shell fragment 4 and the little the control unit electric connection of massage armchair. The working principle of the massage chair movement position detection system is as follows: in the moving process of the massage machine core 5, the conductive elastic sheet 4 is driven to move together, meanwhile, one end of the conductive elastic sheet 4 is matched with the distance measuring resistance wire 2 in a sliding contact mode, because one end of the distance measuring resistance wire 2 is electrically connected with the ground wire of the power supply, the other end of the conductive elastic sheet 4 is electrically connected with the live wire of the power supply, then the voltage of the contact position of the conductive elastic sheet 4 and the distance measuring resistance wire 2 changes along with the position change of the conductive elastic sheet 4 on the distance measuring resistance wire 2, the conductive elastic sheet 4 can feed back the voltage signal to the micro control unit, the micro control unit can calculate the position of the conductive elastic sheet 4 on the distance measuring resistance wire 2 according to the voltage, and then the position of the massage machine core 5 is obtained, and the detection of the position of the massage machine core 5 is realized. The massage chair movement position detection system is simple in overall structure, low in cost, and high in detection accuracy and reliability.
As shown in fig. 4, in this embodiment, the other end of the conductive elastic piece 4 is electrically connected to the live wire of the power supply through the pull-up resistor 6, that is, the pull-up resistor 6 is connected in series between the other end of the conductive elastic piece 4 and the live wire of the power supply. The hot line of the power supply is also referred to as VCC for short. The pull-up resistor 6 has a voltage dividing function, and can also be used as a voltage dividing resistor. Meanwhile, in this embodiment, the other end of the conductive elastic sheet 4 is electrically connected to the micro control unit through the current limiting resistor 7, that is, the current limiting resistor 7 is connected in series between the other end of the conductive elastic sheet 4 and the micro control unit.
As shown in fig. 5 and 6, in this embodiment, the extending shape of the distance measuring resistance wire 2 is the same as the movement track of the massage movement 5, so as to ensure that the conductive elastic sheet 4 can keep a good sliding fit relationship with the distance measuring resistance wire 2 when the massage movement 5 drives the conductive elastic sheet 4 to move. As shown in fig. 3, 8 and 9, in the present embodiment, the frame 1 is provided with a guide rail 3, and the distance measuring resistance wire 2 is fixedly installed in a groove 31 of the guide rail 3, so as to effectively fix the distance measuring resistance wire 2 by using the guide rail 3. In addition, in this embodiment, the groove 31 should not be too large, the width of the groove 31 is equal to the diameter of the distance measuring resistance wire 2, and the extension shape of the guide rail 3 and the groove 31 is the same as the movement track of the conductive elastic sheet 4, so that the distance measuring resistance wire 2 can be fixed on the guide rail 3 without displacement, and the conductive elastic sheet 4 is in closer contact with the distance measuring resistance wire 2. In the embodiment, the terminal of the distance measuring resistance wire 2 near the bottom of the massage chair needs to be connected with the ground wire of the power supply of the control panel through a lead, and the ground wire is called GND for short. The distance measuring resistance wire 2 needs to be made of a material with lower conductivity, so that the resistance of the conductive elastic sheet 4 in the sliding process on the distance measuring resistance wire 2 has a larger change rate, and the higher test precision is ensured. In this embodiment, the guide rail 3 is specifically fixedly mounted on the backrest frame 11 of the frame 1.
As shown in fig. 7, in the present embodiment, one end of the conductive elastic sheet 4 is provided with a contact portion 41 having a round angle structure, and the contact portion 41 is in sliding contact with the distance measuring resistance wire 2. The conductive elastic sheet 4 is in sliding contact with the distance measuring resistance wire 2 through the contact part 41 which is in a fillet structure, so that the distance measuring resistance wire 2 is prevented from being damaged. Each conductive spring 4 should avoid the problem of permanent deformation due to deformation during sliding.
The other end of the conductive elastic sheet 4 in this embodiment is fixedly connected with the appropriate position of the base of the massage movement 5 through a bolt, so that the conductive elastic sheet 4 is conveniently installed on the massage movement 5, and the conductive elastic sheet 4 is conveniently detached from the massage movement 5 when needed. Meanwhile, as shown in fig. 7, the other end of the conductive elastic sheet 4 is provided with a bending portion 42, the bending portion 42 is provided with a fixing hole 421, and a bolt passes through the fixing hole 421 and is fixedly connected with the massage machine core 5. In the massage process of the massage chair, the conductive elastic sheet 4 moves up and down along with the massage machine core 5, so that the contact point of the conductive elastic sheet 4 and the distance measuring resistance wire 2 is changed, and the purpose of detecting the position of the massage machine core 5 is achieved.
As shown in fig. 4, in this embodiment, two ends of the current-limiting resistor 7 are electrically connected to the connection block 8 and the conductive elastic sheet 4 through wires, respectively, and the connection block 8 is electrically connected to an AD pin of the micro control unit. In this embodiment, the current limiting resistor 7, the pull-up resistor 6 and the connecting block 8 form a signal conversion module, and the conductive elastic sheet 4 forms a conductive module. The conductive module inputs the voltage signal of the distance measuring resistance wire 2 to the signal conversion module, then converts the voltage signal into a proper voltage signal and inputs the proper voltage signal to the micro control unit of the control panel of the massage chair, and the micro control unit is called MCU for short. The pull-up resistor 6 should use a resistor with higher precision to make the converted data more accurate.
The conductive elastic sheet 4 is specifically arranged on the left side face of the massage machine core 5 in the embodiment, the conductive elastic sheet 4 requires good elasticity, can be tightly combined with the distance measuring resistance wire 2 arranged in the guide rail 3, and requires good conductivity of the conductive elastic sheet 4, so that the data conversion error can be reduced, and the reliability of the circuit is enhanced.
Massage armchair core position detecting system in this embodiment is according to fixing the electrically conductive shell fragment 4 on massage core 5 and sliding from top to bottom on fixing range finding resistance wire 2 in guide rail 3 to input the voltage signal of range finding resistance wire 2 to signal conversion module, convert suitable voltage signal back to through signal conversion module, with the voltage signal after the conversion input again for the little the control unit of massage armchair, handle voltage signal through little the control unit alright calculate the actual position of massage core 5.
In the embodiment, each massage chair is connected with the distance measuring resistance wire 2 and the signal conversion circuit through a conductive elastic sheet 4. This massage armchair core position detecting system, the voltage signal on with range finding resistance wire 2 is inputed to the signal conversion circuit through electrically conductive shell fragment 4, and the voltage signal of range finding resistance wire 2 is passed to MCU processing after the pull-up resistance 6 partial pressure of this circuit, and MCU just can calculate this electrically conductive shell fragment 4 position on range finding resistance wire 2 through the conversion. The massage chair movement position detection system does not need an upper limiting device and a lower limiting device in the detection process, does not need to search the upper limiting device and the lower limiting device again under the condition of midway power failure and restarting of the massage chair, and can detect the accurate position of the massage movement 5.
Example two
The present embodiment is based on the first embodiment, and is different in that the upper end of the distance measuring resistance wire 2 is electrically connected to the live wire of the power supply, and the lower end of the distance measuring resistance wire 2 is electrically connected to the ground wire of the power supply; and the other end of the conductive elastic sheet 4 is directly electrically connected with the micro control unit and is not electrically connected with the live wire of the power supply any more. Like this, when electrically conductive shell fragment 4 slides along range finding resistance wire 2 along with massage core 5's removal, the voltage size of electrically conductive shell fragment 4 and range finding resistance wire 2 contact department will also change thereupon, electrically conductive shell fragment 4 directly gives the little the control unit of control panel with this voltage signal, need not voltage signal conversion module, little the control unit just can calculate electrically conductive shell fragment 4 position on range finding resistance wire 2 according to the voltage size of feedback, and then obtain electrically conductive shell fragment 4 and massage core 5's position, and realize the position detection to massage core 5. The massage chair movement position detection system is simple in overall structure, low in cost, and high in detection accuracy and reliability.
EXAMPLE III
On the basis of the first embodiment, the distance measuring resistance wire 2 is installed on both sides of the frame 1, the conductive elastic pieces 4 are installed on both sides of the massage movement 5, and the conductive elastic pieces 4 and the distance measuring resistance wire 2 located on the same side are in sliding contact fit. Like this, the MCU of control panel can be according to two way input signal calculation massage core 5's real-time position, detects massage core 5's position simultaneously through two ways, and then makes the testing result more accurate and reliable.
In conclusion, the present invention effectively overcomes various disadvantages of the prior art and has high industrial utilization value.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a massage armchair core position detecting system, its characterized in that, includes electrically conductive shell fragment (4) of fixed mounting on massage core (5) and installs range finding resistance wire (2) on the frame (1) of massage armchair, the one end and the range finding resistance wire (2) sliding contact cooperation of electrically conductive shell fragment (4), the one end of range finding resistance wire (2) and the ground wire electric connection of power, the other end of electrically conductive shell fragment (4) or the other end of range finding resistance wire (2) and the live wire electric connection of power, just electrically conductive shell fragment (4) and the little the control unit electric connection of massage armchair.
2. The system for detecting the position of the movement of the massage chair as claimed in claim 1, wherein when the other end of the conductive elastic sheet (4) is electrically connected with a live wire of a power supply, the other end of the conductive elastic sheet (4) is electrically connected with the live wire of the power supply through a pull-up resistor (6).
3. The massage armchair core position detection system of claim 1, wherein the other end of the conductive shrapnel (4) is electrically connected with the micro control unit through a current limiting resistor (7).
4. The massage chair movement position detection system according to claim 1, wherein a guide rail (3) is arranged on the frame (1), and the distance measuring resistance wire (2) is fixedly installed in a groove (31) of the guide rail (3).
5. The massage chair movement position detection system as claimed in claim 4, wherein the groove width of the groove (31) is equal to the diameter of the distance measuring resistance wire (2).
6. The massage armchair movement position detection system according to claim 1, wherein the distance measurement resistance wire (2) is mounted on both sides of the frame (1), the conductive elastic sheet (4) is mounted on both sides of the massage movement (5), and the conductive elastic sheet (4) and the distance measurement resistance wire (2) on the same side are in sliding contact fit.
7. The massage armchair movement position detection system according to claim 1, wherein the extension shape of the distance measuring resistance wire (2) is the same as the motion track of the massage movement (5).
8. The massage armchair movement position detection system according to claim 1, wherein one end of the conductive elastic sheet (4) is provided with a contact part (41) in a fillet structure, and the contact part (41) is in sliding contact fit with the distance measurement resistance wire (2).
9. The massage armchair movement position detection system according to claim 1, wherein the other end of the conductive elastic sheet (4) is fixedly connected with the massage movement (5) through a bolt.
10. The massage armchair movement position detection system according to claim 9, wherein a bent portion (42) is provided at the other end of the conductive elastic sheet (4), a fixing hole (421) is provided on the bent portion (42), and the bolt passes through the fixing hole (421) and is fixedly connected with the massage movement (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121183802.2U CN215307953U (en) | 2021-05-28 | 2021-05-28 | Massage armchair core position detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121183802.2U CN215307953U (en) | 2021-05-28 | 2021-05-28 | Massage armchair core position detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215307953U true CN215307953U (en) | 2021-12-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121183802.2U Active CN215307953U (en) | 2021-05-28 | 2021-05-28 | Massage armchair core position detection system |
Country Status (1)
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|---|---|
| CN (1) | CN215307953U (en) |
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2021
- 2021-05-28 CN CN202121183802.2U patent/CN215307953U/en active Active
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