CN209879704U - Sitting posture monitoring waistband - Google Patents
Sitting posture monitoring waistband Download PDFInfo
- Publication number
- CN209879704U CN209879704U CN201920362933.3U CN201920362933U CN209879704U CN 209879704 U CN209879704 U CN 209879704U CN 201920362933 U CN201920362933 U CN 201920362933U CN 209879704 U CN209879704 U CN 209879704U
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- China
- Prior art keywords
- resistor
- controller
- strain gauge
- sitting posture
- waistband
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- Expired - Fee Related
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Abstract
The utility model relates to a sitting posture monitoring waistband, which comprises two sections of belts and a strain gauge R4, wherein the two sections of belts are connected through the strain gauge R4; the power supply is connected with the strain gauge R4 and the resistor R5 in series and then connected to the ground, a connection point between the strain gauge R4 and the resistor R5 is connected with the controller, and the controller is connected with the horn. When the waist bending alarm device is used, the waistband is tightly tied to the waist of a user, the strain gauge R4 is located in the middle of the back of the body, so that the strain gauge R4 deforms due to the bending of the waist of the user, the voltage of a contact point between the strain gauge R4 and the resistor R5 changes, the controller learns that the user bends down according to the change, and if the user bends down for a certain duration, sound alarm is given through the loudspeaker to remind the user of paying attention. Because the sitting posture is monitored through the waistband, the waistband is small in size and easy to hide, and is convenient to use in an office environment.
Description
Technical Field
The utility model relates to a position of sitting monitoring waistband.
Background
In order to solve the problems of untimely sitting posture, tired waist and the like, a sitting posture corrector is developed in the prior art, and the equipment tightly clamps a human body through a clamp so as to fix the human body in a correct sitting posture, thereby realizing the aim of correction. Due to the need of tightly clamping the human body, the existing sitting posture corrector is large in size and is obstructive to the scene, so that people generally only use the sitting posture corrector at home or in other private places, and the sitting posture corrector is not used in public places, particularly offices. Therefore, it is necessary to develop a sitting posture monitoring waistband with a small size for people in a sedentary office.
SUMMERY OF THE UTILITY MODEL
The purpose of this application is to avoid the weak point among the above-mentioned prior art, and provides the hardware architecture of a little volume position of sitting monitoring waistband, treats that software engineer is to controller programming back wherein, this waistband can send out the warning automatically when the user bends over.
The purpose of the application is realized by the following technical scheme:
the sitting posture monitoring waistband comprises two sections of belts and a strain gauge R4, wherein the two sections of belts are connected through the strain gauge R4; still include power, resistance R5, controller and loudspeaker, connect in series between power and ground behind foil gage R4, resistance R5, the controller is connected to the contact between foil gage R4 and the resistance R5, the controller meets with loudspeaker.
The resistor R5 is also a strain gauge.
The waistband further comprises a resistor R1, a resistor R2 and a differential amplifier, the power supply is connected with the ground after being connected with the resistor R1 and the resistor R2 in series, and a joint between the resistor R1 and the resistor R2 is connected with one input end of the differential amplifier; the mode that the contact between the strain gauge R4 and the resistor R5 is connected with the controller is specifically as follows: the junction between the strain gauge R4 and the resistor R5 is connected with the other input end of the differential amplifier, and is connected with the controller through the output end of the differential amplifier.
Wherein the differential amplifier is in particular an AD 620. A sliding resistor RP2 is connected between two Rg pins of the AD620, one end of a sliding resistor RP2 is connected with one Rg pin, the other end of the sliding resistor RP2 is suspended, and a slide sheet of the sliding resistor RP2 is connected with the other Rg pin.
The waistband further comprises a resistor R3 and a sliding resistor RP1, the power supply is connected with the sliding resistor RP1 in series and then connected to the ground, and a contact point between the resistor R1 and the resistor R2 is further connected to a slide sheet P of the sliding resistor RP1 through a resistor R3.
The waistband further comprises two soft plastic clamping plates, the two soft plastic clamping plates are fixedly connected with the two sections of belts respectively, the two soft plastic clamping plates are connected through two strain gauges R4 and R5, and the two strain gauges R4 and R5 are stacked mutually.
Wherein the controller is hidden in one of the flexible plastic cards.
Wherein, be equipped with bluetooth module on the lateral wall of the flexible plastic cardboard at controller place, bluetooth module is connected with the controller electricity.
Wherein, the waistband also comprises a display integrated with a loudspeaker, the loudspeaker is a loudspeaker in the display, the display is fixed on one section of the belt and is electrically connected with the controller
The utility model discloses a waistband has following beneficial effect:
treat software engineer to wherein after the controller programming, the utility model discloses a during the waistband used, closely be at user's waist with the waistband, and make foil gage R4 be located the middle part of back of the body waist, so, user's waist bending will lead to foil gage R4 to produce deformation, make the contact voltage between foil gage R4 and the resistance R5 change, the user is stooped in view of the above change to the controller, if the perception is stooped for a certain duration then carry out audible alarm through loudspeaker, notice with the warning user. Because the sitting posture is monitored through the waistband, the waistband is small in size and easy to hide, and is convenient to use in an office environment.
Drawings
The present application is further explained by means of the attached drawings, but the embodiments in the attached drawings do not constitute any limitation to the present application, and for a person skilled in the art, other drawings can be obtained from the following drawings without inventive effort.
Fig. 1 is a structural view of the waist belt of the present invention.
Fig. 2 is a circuit diagram of the belt of the present invention.
Fig. 3 is a detailed circuit diagram of the load bridge and the differential amplifier.
Detailed Description
The present application is further described in conjunction with the following examples.
Referring to fig. 1, the sitting posture monitoring belt is divided into two sections of belts, wherein one section of belt 11 positioned at the left side of fig. 1 is fixedly connected with a soft plastic clamping plate 21, and one section of belt 12 positioned at the right side of fig. 1 is fixedly connected with a soft plastic clamping plate 22. The flexible plastic card 21 and the flexible plastic card 22 are connected through two strain gauges R4 and R5, wherein the two strain gauges R4 and R5 are overlapped with each other.
The controller not shown in the figure is hidden in the flexible plastic card 22, the Bluetooth module 5 is arranged on the outer side wall of the flexible plastic card 22, and the small screen display 6 is fixed on the belt 12. The circuit consisting of the controller, the bluetooth module 5 and the small screen display 6, in which a load bridge 31 and a differential amplifier 32 are arranged, is shown in fig. 2.
Referring to fig. 3, the load bridge 31 is specifically composed of resistors R1, R2, R3, a sliding resistor RP1, strain gauges R4 and R5, wherein the resistors R1 and R2 are connected in series to form a branch L1, the strain gauges R4 and R5 are connected in series to form a branch L2, the sliding resistor RP1 is used as a branch L3 alone, the 5V power supply is connected to the ground through the branches L1, L2 and L3, and a contact point between the resistors R1 and R2 is connected to a slide P of the sliding resistor RP1 through a resistor R3. The junction between the resistors R1 and R2 is connected to the negative input pin of the differential amplifier 32 as one output terminal of the load bridge 31, the junction between the resistors R4 and R5 is connected to the positive input pin of the differential amplifier 32 as the other output terminal of the load bridge 31, and the output pin of the differential amplifier 32 is connected to the controller 4 of fig. 2, and data processing is performed by the controller.
When the voltage at the point of contact between the resistors R1 and R2 is referred to as a reference voltage, and the voltage at the point of contact between the resistors R4 and R5 is referred to as a detection voltage, the waist belt is tightly tied to the waist of the user, and the two strain gauges R4 and R5 are positioned in the middle of the back and the waist, so that the bending of the waist of the user causes the two strain gauges R4 and R5 to deform, so that the resistance values of the two strain gauges change, and the value of the detection voltage changes. As soon as the detection voltage changes, the difference between the detection voltage and the reference voltage will change, so that the output value of the differential amplifier 32 changes, and the controller 4 learns that the user bends down according to the change, and if the bending down is sensed to last for 15 seconds, an audible alarm is given through a loudspeaker 61 in the display 6 to remind the user of paying attention.
The larger the bending degree of the waist of the user is, the higher the resistance value change degree of the two strain gauges R4 and R5 is, so that the controller 4 can identify the bending degree of the waist of the user according to the resistance value change degree of the two strain gauges R4 and R5, display parameters such as the bending degree, the accumulated bending times of the user, the bending time and the like by the display 6 and send the parameters to external equipment through the Bluetooth module 5. External equipment such as a computer can receive related parameters through the Bluetooth USB flash disk, and the related parameters are displayed through a computer page of the external equipment, so that the transmission of an upper computer is realized.
It should be noted that, referring to fig. 3, the reference voltage can be changed by adjusting the sliding resistor RP1, so as to adjust the reference. The differential amplifier 32 is implemented by using a high-precision integrated amplifier AD620, which has low power consumption and small size, and is very suitable for portable applications. Furthermore, a sliding resistor RP2 is connected between two Rg pins of the AD620, one end of a sliding resistor RP2 is connected with one Rg pin, the other end of the sliding resistor RP2 is suspended, and a sliding sheet of the sliding resistor RP2 is connected with the other Rg pin, so that the gain multiple of the AD620 can be adjusted by adjusting the position of the sliding sheet of the sliding resistor RP2, and the amplitude of an output signal of the AD620 is controlled.
The waistband of the embodiment is small in size, easy to hide and convenient to use in an office environment.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the protection scope of the present application, and although the present application is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present application without departing from the spirit and scope of the technical solutions of the present application.
Claims (10)
1. Position of sitting monitoring waistband, characterized by:
comprises two sections of belts and a strain gauge R4, wherein the two sections of belts are connected through the strain gauge R4;
also comprises a power supply, a resistor R5, a controller and a horn, wherein the strain gauge R4 and the resistor R5 are connected in series and then connected between the power supply and the ground,
the connection point between the strain gauge R4 and the resistor R5 is connected with a controller, and the controller is connected with a horn.
2. The sitting posture monitoring belt as claimed in claim 1, wherein the resistor R5 is also a strain gauge.
3. The sitting posture monitoring waist belt according to claim 1 or 2, further comprising a resistor R1, a resistor R2 and a differential amplifier, wherein the power supply is connected with the resistor R1 and the resistor R2 in series and then connected to the ground, and a junction between the resistor R1 and the resistor R2 is connected with one input end of the differential amplifier; the mode that the contact between the strain gauge R4 and the resistor R5 is connected with the controller is specifically as follows: the junction between the strain gauge R4 and the resistor R5 is connected with the other input end of the differential amplifier, and is connected with the controller through the output end of the differential amplifier.
4. The sitting posture monitoring belt as claimed in claim 3, wherein the differential amplifier is specifically AD 620.
5. The sitting posture monitoring waistband of claim 4, wherein a sliding resistor RP2 is connected between two Rg pins of the AD620, one end of the sliding resistor RP2 is connected with one Rg pin, the other end of the sliding resistor RP2 is suspended, and a slide sheet of the sliding resistor RP2 is connected with the other Rg pin.
6. The sitting posture monitoring waist belt as claimed in claim 3, further comprising a resistor R3 and a sliding resistor RP1, wherein the power supply is connected in series with the sliding resistor RP1 and then connected to the ground, and the junction between the resistor R1 and the resistor R2 is further connected to the slide P of the sliding resistor RP1 via a resistor R3.
7. The sitting posture monitoring waistband of claim 2, further comprising two flexible plastic clamping plates, wherein the two flexible plastic clamping plates are respectively fixedly connected with the two sections of belts, the two flexible plastic clamping plates are connected through two strain gauges R4 and R5, and the two strain gauges R4 and R5 are overlapped with each other.
8. The sitting posture monitoring belt as claimed in claim 7, wherein the controller is housed in one of the flexible plastic cards.
9. The sitting posture monitoring waistband of claim 8, wherein a Bluetooth module is arranged on the outer side wall of the flexible plastic clamping plate where the controller is located, and the Bluetooth module is electrically connected with the controller.
10. A sitting posture monitoring belt as claimed in claim 1 or 9 further comprising a display integrated with a speaker, in particular a speaker in the display, the display being secured to one of the lengths of belt and electrically connected to the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920362933.3U CN209879704U (en) | 2019-03-20 | 2019-03-20 | Sitting posture monitoring waistband |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920362933.3U CN209879704U (en) | 2019-03-20 | 2019-03-20 | Sitting posture monitoring waistband |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209879704U true CN209879704U (en) | 2019-12-31 |
Family
ID=68955981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920362933.3U Expired - Fee Related CN209879704U (en) | 2019-03-20 | 2019-03-20 | Sitting posture monitoring waistband |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209879704U (en) |
-
2019
- 2019-03-20 CN CN201920362933.3U patent/CN209879704U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20200320 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |