CN210960815U - Load balancing intelligent backpack - Google Patents
Load balancing intelligent backpack Download PDFInfo
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- CN210960815U CN210960815U CN201920607296.1U CN201920607296U CN210960815U CN 210960815 U CN210960815 U CN 210960815U CN 201920607296 U CN201920607296 U CN 201920607296U CN 210960815 U CN210960815 U CN 210960815U
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Abstract
The utility model discloses an intelligent backpack with balanced load, which comprises a backpack body, a strap, a sensor module, a display module, a power module, an amplifying circuit module, an A/D conversion module, a singlechip control module, a motor driving module and a motor adjusting module; the motor adjusting module comprises a motor, an output gear, a duplicate gear, a rack and a braking device; the utility model discloses a settle and be close above the braces and acquire the pulling force condition that two braces received with the sensor module of the position of this body junction of knapsack, show through display module after handling to the elasticity of control motor adjusting module automatically regulated braces, in order to improve the travelling comfort of braces. The problem of because of the inside article of knapsack are placed disequilibrium, or braces length inconsistent, lead to both shoulders to bear a burden inconsistent, and then cause the height shoulder, cause the harm and influence pleasing to the eye scheduling to the health is solved.
Description
Technical Field
The utility model relates to a technical field of smart machine especially involves a balanced intelligent knapsack of bearing a burden.
Background
The backpack is a common daily article and plays an important role in daily travel activities of people. With the continuous progress of society, the backpack is more and more intelligent.
Patent CN201810498635 discloses an intelligence backpack, including the knapsack body with connect in two braces of knapsack body, two braces correspond shoulder position and the setting of knapsack body inboard corresponding human back position and be equipped with pressure sensor respectively, pressure sensor is connected with the treater, the information that the treater gathered pressure sensor is handled, when the pressure value that the sensor detected is greater than the threshold value, send out and report an emergency and ask for help or increased vigilance. The utility model discloses a through the cooperation of a plurality of pressure sensor, can monitor knapsack weight, solve the problem that the knapsack overweight can't in time discover. However, the technical scheme only realizes the judgment of the whole weight of the backpack, so that the weight reduction operation is carried out, and the backpack comfort is not good.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, provide a balanced intelligent knapsack bears a burden, through settling be close above the braces with the knapsack this body coupling position the sensor module acquire the pulling force condition that two braces received, show through display module after handling to the elasticity of control motor adjusting module automatically regulated braces, in order to improve the travelling comfort of braces. The problem of because of the inside article of knapsack are placed disequilibrium, or braces length inconsistent, lead to both shoulders to bear a burden inconsistent, and then cause the height shoulder, cause the harm and influence pleasing to the eye scheduling to the health is solved.
In order to achieve the above object, the present invention provides a technical solution:
the backpack comprises a backpack body, straps, a sensor module, a display module, a power supply module, an amplifying circuit module, an A/D conversion module, a singlechip control module, a motor driving module and a motor adjusting module;
the sensor module, the display module, the amplifying circuit module, the A/D conversion module, the singlechip control module and the motor driving module are all electrically connected with the power supply module and are powered by the power supply module;
the sensor module, the amplifying circuit module, the A/D conversion module, the singlechip control module and the display module are electrically connected in sequence;
the motor driving module is respectively connected with the single chip microcomputer control module and the motor adjusting module;
the sensor module and the display module are respectively and correspondingly arranged at the position above the shoulder strap, close to the joint with the backpack body, and at the position of the chest;
the power supply module, the amplifying circuit module, the A/D conversion module and the single chip microcomputer control module are all arranged at the top of the backpack body;
and the motor driving module and the motor adjusting module are both arranged at the bottom of the backpack body and are close to the connection part of the bottom of the backpack body and the straps.
Further, the motor adjusting module comprises a motor, an output gear, a duplicate gear, a rack and a braking device;
the output gear is arranged on an output shaft of the motor and is meshed with a large gear of the duplicate gear;
the rack face is provided with a dentate bulge, and the side surface is provided with a row of through holes; one end of the lifting device is meshed with a pinion of the duplicate gear through the dentate protuberance, and the other end of the lifting device is fixedly connected with the tail end of the strap;
and the braking device is matched with the through hole of the rack to lock the rack.
Furthermore, both ends of the rack are provided with limiting parts, so that the rack is prevented from excessively moving to separate from the pinion of the duplicate gear.
Furthermore, the braking device is a push-pull type electromagnetic valve and comprises an electromagnet, a spring and a movable iron core.
Further, the sensor module is a resistance strain gauge sensor.
Further, the display module is an L CD liquid crystal display screen.
Furthermore, the amplifying circuit module is a differential integrated operational amplifier amplifying circuit.
Further, the A/D conversion module is an ADC converter or an ADC0804 converter.
Further, the single chip microcomputer control module is an STCC single chip microcomputer or an STC89C52 single chip microcomputer.
Further, the motor driving module is driven by a TBFNG chip or an L298N chip.
Compared with the prior art, the principle and the advantages of the scheme are as follows:
1. the sensor module arranged above the straps and close to the position connected with the backpack body acquires the tension conditions of the two straps, and the tension conditions are displayed through the display module after being processed, so that a user can know the weight of the carried articles in time, and the articles in the backpack are correspondingly processed.
2. After the singlechip control module receives the data transmitted by the sensor module, the motor drive module controls the motor adjusting module to automatically adjust the tightness of the braces so as to improve the comfort of the braces. The problem of because of the inside article of knapsack are placed disequilibrium, or braces length inconsistent, lead to both shoulders to bear a burden inconsistent, and then cause the height shoulder, cause the harm and influence pleasing to the eye scheduling to the health is solved.
Drawings
Fig. 1 is a schematic diagram of an intelligent backpack with balanced load according to the present invention;
FIG. 2 is a diagram showing the connection relationship between the modules of the intelligent backpack with balanced load;
fig. 3 is a schematic structural diagram of a motor regulation module in an intelligent backpack with balanced load of the present invention;
FIG. 4 is a schematic view of a rack in the motor adjustment module;
fig. 5 is a schematic view of a braking device in the motor conditioning module.
The figures are labeled as follows:
the backpack comprises a backpack body 1, a backpack body 2, straps 3, a sensor module 4, a display module 5, a power supply module 6, an amplifying circuit module 7, an A/D conversion module 8, a singlechip control module 9, a motor driving module 10, a motor adjusting module 101, a motor 102, an output gear 103, a duplicate gear 104, a braking device 105, a rack 105, an electromagnet 104-1, a spring 104-2, a movable iron core 104-3, a tooth-shaped protrusion 105-1, a perforation 105-2 and a limiting part 105-3.
Detailed Description
The invention will be further described with reference to the following specific embodiments:
referring to fig. 1-2, the embodiment is an intelligent backpack with balanced load, and includes a backpack body 1, straps 2, a sensor module 3, a display module 4, a power module 5, an amplification circuit module 6, an a/D conversion module 7, a single-chip microcomputer control module 8, a motor driving module 9, and a motor adjusting module 10.
The sensor module 3, the display module 4, the amplifying circuit module 6, the A/D conversion module 7, the singlechip control module 8 and the motor driving module 9 are all electrically connected with the power module 5 and are powered by the power module 5;
the sensor module 3, the amplifying circuit module 6, the A/D conversion module 7, the singlechip control module 8 and the display module 4 are electrically connected in sequence;
the motor driving module 9 is respectively connected with the single chip microcomputer control module 8 and the motor adjusting module 10;
the sensor module 3 and the display module 4 are respectively and correspondingly arranged at the position above the shoulder strap 2 close to the joint with the backpack body and the position of the chest;
the power module 5, the amplifying circuit module 6, the A/D conversion module 7 and the single chip microcomputer control module 8 are all arranged at the top of the backpack body 1;
the motor driving module 9 and the motor adjusting module 10 are both installed at the bottom of the backpack body 1 and are close to the joint of the bottom of the backpack body 1 and the straps 2.
Specifically, as shown in fig. 3, the motor adjustment module 10 includes a motor 101, an output gear 102, a dual gear 103, a rack 105, and a brake device 104;
the output gear 102 is arranged on the output shaft of the motor 101 and is meshed with a large gear of the duplicate gear 103;
as shown in FIG. 4, the rack 105 has a tooth-like protrusion 105-1 on the face and a row of through holes 105-2 on the side; one end of the gear is meshed with the pinion of the duplicate gear 103 through the dentate protuberance 105-1, and the other end is fixedly connected with the tail end of the strap 2;
both ends of the rack 105 are provided with limiting parts 105-3 to prevent the rack 105 from moving excessively to be separated from the pinion of the duplicate gear 103;
as shown in fig. 5, the braking device 104 is a push-pull electromagnetic valve, which includes an electromagnet 104-1, a spring 104-2 and a movable iron core 104-3; the stopper 104 is engaged with the through hole 105-2 of the rack 105 to lock the rack 105.
The sensor module 3 is a resistance strain type sensor, which is a sensor manufactured by using the resistance strain effect of metal and measures the change amount of micro mechanical deformation, and the basic principle is to convert the measured change into the change of the resistance value of the sensor element, and then convert the change into an electrical signal through a conversion circuit and output the electrical signal.
The display module 4 employs an L CD1602 liquid crystal display screen in consideration of power consumption, life, and reliability.
The amplifying circuit module 6 is a differential integrated operational amplifier circuit, and amplifies signals output by the sensor module.
The A/D conversion module 7 is an ADC0809 converter, converts the analog quantity processed by the amplifying circuit into digital quantity and outputs the digital quantity to the single chip microcomputer control module 8 for processing.
The single chip microcomputer control module 8 is an STC80C51 single chip microcomputer and is used for completing the functions of system switch control, information processing, display module control and the like.
The motor driving module 9 is driven by a TB6612FNG chip, has a forward rotation and reverse rotation control function, and realizes the driving of motors on the left side and the right side.
And in the power module 5, the driving voltage of each module circuit is 5V, and a power supply mode is adopted to supply power for a 5V independent power supply.
The working principle of the embodiment is as follows:
the sensor module 3 converts the tensile deformation of the straps 2 caused by stress into the change of the resistance value of the sensor element by using the stress sensor to obtain a weak electric signal, then the weak electric signal is subjected to signal amplification processing by a differential integrated operational amplifier circuit, analog quantity is converted into digital quantity by an ADC0809 converter, then an STC80C51 single chip microcomputer receives the digital signal output by the ADC0809 converter, the digital signal is converted into a corresponding stress value after processing, and the stress value is sent to a L CD1602 liquid crystal display screen, wherein the L CD1602 liquid crystal display screen displays information.
When the L CD1602 LCD shows that the stress information of the two braces 2 is inconsistent, the STC80C51 single-chip microcomputer calculates the adjusting directions of the two braces 2 according to the stress values of the two braces 2, then a motor control instruction is sent to the motor driving module 9, the motor driving module 9 drives the motor adjusting module 10 at the connection position of the braces to adjust the tightness of the braces 2, during adjustment, the motors 101 on the two sides are adjusted simultaneously, the side with heavier stress is relaxed, the side with lighter stress is tightened, and when the absolute value of the difference value of the monitored stress conditions of the two braces is within a certain range (can be set, an experience value is obtained through a somatosensory test), the motors 101 stop working.
The specific working principle of the motor regulation module 10 is as follows:
the motor 101 drives the output gear 102 to rotate; the dual gear 103 is a driven gear, and under the driving of the output gear 102, the driving rack 105 reciprocates along the extending direction of the rack 105, so as to drive the strap 2 to extend and retract, thereby achieving the effect of tightness adjustment.
In the above, when the rack 105 reciprocates, the stopper 105-3 stops the rack.
When not adjusted, the plunger 104-3 of the stopper 104 is inserted into the through hole 105-2 of the rack 105, thereby locking the rack 105; the plunger 104-3 is retracted when it is desired to adjust the harness 2, thereby unlocking the rack 105.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so that all the changes made according to the shape and principle of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. An intelligent backpack with balanced load comprises a backpack body (1) and straps (2), and is characterized by further comprising a sensor module (3), a display module (4), a power supply module (5), an amplifying circuit module (6), an A/D conversion module (7), a single-chip microcomputer control module (8), a motor driving module (9) and a motor adjusting module (10);
the sensor module (3), the display module (4), the amplifying circuit module (6), the A/D conversion module (7), the single-chip microcomputer control module (8) and the motor driving module (9) are all electrically connected with the power supply module (5) and are powered by the power supply module (5);
the sensor module (3), the amplifying circuit module (6), the A/D conversion module (7), the singlechip control module (8) and the display module (4) are electrically connected in sequence;
the motor driving module (9) is respectively connected with the single chip microcomputer control module (8) and the motor adjusting module (10);
the sensor module (3) and the display module (4) are respectively and correspondingly arranged on the positions, close to the connection part with the backpack body and on the chest, above the shoulder strap (2);
the power module (5), the amplifying circuit module (6), the A/D conversion module (7) and the single-chip microcomputer control module (8) are all installed at the top of the backpack body (1);
the motor driving module (9) and the motor adjusting module (10) are both arranged at the bottom of the backpack body (1) and are close to the joint of the bottom of the backpack body (1) and the straps (2).
2. The load-balancing intelligent backpack according to claim 1, wherein the motor adjusting module (10) comprises a motor (101), an output gear (102), a duplicate gear (103), a rack (105) and a braking device (104);
the output gear (102) is arranged on an output shaft of the motor (101) and is meshed with a large gear of the duplicate gear (103);
the face of the rack (105) is provided with a tooth-shaped protrusion (105-1), and the side surface of the rack is provided with a row of through holes (105-2); one end of the connecting rod is meshed with a pinion of the duplicate gear (103) through the dentate bulge (105-1), and the other end is fixedly connected with the tail end of the strap (2);
the braking device (104) is matched with the through hole (105-2) of the rack (105) to lock the rack (105).
3. The intelligent backpack for load balancing according to claim 2, wherein the rack (105) is provided with a stopper (105-3) at each end to prevent the rack (105) from moving too much to disengage from the pinion of the duplicate gear (103).
4. The load-balancing intelligent backpack according to claim 2, wherein the braking device (104) is a push-pull solenoid valve comprising an electromagnet (104-1), a spring (104-2) and a plunger (104-3).
5. The load-balancing intelligent backpack according to claim 1, wherein the sensor module (3) is a resistance strain gauge sensor.
6. The load-balancing intelligent backpack according to claim 1, wherein the display module (4) is an L CD1602 lcd.
7. The load-balancing intelligent backpack according to claim 1, wherein the amplifying circuit module (6) is a differential integrated operational amplifier (amp) circuit.
8. The load-balancing intelligent backpack according to claim 1, wherein the a/D conversion module (7) is an ADC0809 converter or an ADC0804 converter.
9. The load-balancing intelligent backpack according to claim 1, wherein the single chip microcomputer control module (8) is an STC80C51 single chip microcomputer or an STC89C52 single chip microcomputer.
10. The load-balancing intelligent backpack according to claim 1, wherein the motor drive module (9) is driven by a TB6612FNG chip or an L298N chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920607296.1U CN210960815U (en) | 2019-04-29 | 2019-04-29 | Load balancing intelligent backpack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920607296.1U CN210960815U (en) | 2019-04-29 | 2019-04-29 | Load balancing intelligent backpack |
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| Publication Number | Publication Date |
|---|---|
| CN210960815U true CN210960815U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920607296.1U Active CN210960815U (en) | 2019-04-29 | 2019-04-29 | Load balancing intelligent backpack |
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| CN (1) | CN210960815U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234042A (en) * | 2021-12-01 | 2022-03-25 | 江苏明杰应急救援装备有限公司 | Burden-reducing backpack oxygen cylinder device |
-
2019
- 2019-04-29 CN CN201920607296.1U patent/CN210960815U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114234042A (en) * | 2021-12-01 | 2022-03-25 | 江苏明杰应急救援装备有限公司 | Burden-reducing backpack oxygen cylinder device |
| CN114234042B (en) * | 2021-12-01 | 2023-07-28 | 江苏明杰应急救援装备有限公司 | Bear-bearing oxygen bottle device capable of reducing burden |
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