CN207236513U - Curved surface backrest automatic temperature-control chair - Google Patents

Abstract

The utility model discloses an automatic temperature-adjusting chair with a curved backrest, which comprises a chair frame and a base. The chair frame is divided into a backrest frame and a cushion frame. Rectangular, the backrest surface is arranged as a curved surface; the lower part of the backrest frame is fixedly connected with the cushion frame, the upper surface of the cushion frame is provided with a rectangular cushion, and the lower surface of the seat cushion is provided with an automatic temperature regulation system, and the automatic temperature regulation system includes a pressure sensor , temperature sensor, single-chip main controller, temperature regulation circuit, liquid crystal display and WIFI wireless module; The signal input end of described single-chip main controller is respectively connected with pressure sensor, temperature sensor connection, and the signal output end of single-chip main controller is respectively A temperature regulating circuit and a liquid crystal display are connected. The utility model has the advantages of simple structure, automatic adjustment of temperature, good use effect and high economic benefit.

Description

Curved backrest automatic temperature control chair

technical field

The utility model relates to the field of furniture, in particular to an automatic temperature-regulating chair with a curved backrest.

Background technique

At present, more and more office workers and other mental and physical workers adopt a sitting posture to work, and with the advancement of technology, the sitting posture will become the main working method of future laborers in our country. Therefore, the design of office chairs and the related analysis of sitting postures are getting more and more attention and research from ergonomic researchers and designers.

There are two types of chairs commonly used: one is a soft chair, and the other is a stiff chair; sitting on a soft chair in winter will not feel cold, but it will feel very hot when sitting in summer, and it may You will sweat; you won’t feel hot when you sit on a hard chair in summer, but you will feel cold when you sit on it in winter.

Utility model content

The utility model aims at the deficiencies and defects of the prior art, and provides an automatic temperature-adjusting chair with a curved backrest that is automatically adjusted to the temperature of the human body and makes people feel comfortable when sitting on it.

In order to achieve the above object, the technical solution adopted in the utility model is:

An automatic temperature-adjusting chair with a curved backrest, including a chair frame and a base. The chair frame is divided into a backrest frame and a cushion frame. The backrest frame is in the shape of a "bow". , the headrest is in the shape of a bow tie, circular protrusions with different radii are evenly distributed on the surface of the headrest, the headrest and the backrest frame are connected by bolts, the backrest is rectangular, the backrest surface is arranged as a curved surface, the upper part of the curved surface is in line with the The angle between them is α, and the angle between the lower part of the curved surface and the horizontal plane is β. The backrest is fixed on the backrest frame with bolts through the triangle bracket; the lower part of the backrest frame is fixedly connected with the cushion frame, and a pair of "T "shaped armrest, the front end of the left side of the cushion frame is equipped with a two-ended power plug, the upper surface of the cushion frame is provided with a rectangular cushion, and the lower surface of the cushion is provided with an automatic temperature regulation system, and the automatic temperature regulation system includes a pressure sensor , temperature sensor, single-chip main controller, temperature regulation circuit, liquid crystal display and WIFI wireless module; The signal input end of described single-chip main controller is respectively connected with pressure sensor, temperature sensor connection, and the signal output end of single-chip main controller is respectively A temperature control circuit and a liquid crystal display are connected, and the liquid crystal display is arranged on the rear end of the left side of the cushion frame; the communication port of the single-chip main controller is connected with the WIFI wireless module through the RS485 bus; the temperature control circuit includes a first a triode, a second triode, a resistance heating wire, a circuit breaker, an earth leakage protector and a semiconductor refrigeration sheet; the base of the first triode is connected to the output end of the main controller of the single-chip microcomputer, and the collector of the first triode is connected to the output terminal of the main controller of the single chip microcomputer. The resistance heating wire is connected, the emitter of the first triode is connected to the circuit breaker and the leakage protector in turn; the base of the second triode is connected to the output terminal of the main controller of the single-chip microcomputer, and the collector of the second triode is connected to the semiconductor refrigeration The emitter of the second triode is connected to the circuit breaker and the leakage protector in turn; the cushion frame is longitudinally arranged with a base, the base is a cylindrical sleeve, and three chair legs are evenly arranged on the side of the lower part of the base. There is a certain included angle between the legs of the chair, and the bottom of one end of each leg of the chair is respectively provided with universal wheels.

Further, the α angle is 108°, and the β angle is 93°.

Further, the angle between each two chair legs is 120°.

Further, a cup sleeve is arranged on the front end of the upper plane of the armrest, and the cup sleeve is cylindrical.

Further, straps are respectively fixed on both sides of the backrest, the two ends of the straps are respectively fixed on the upper and lower sides of the backrest, and the straps are arranged on the back surface of the backrest.

The beneficial effects of the utility model are:

1. This utility model can set the temperature suitable for the human body in different seasons, and then adjust it to the temperature suitable for the human body according to the automatic temperature adjustment system. One chair is suitable for different seasons and is easy to use;

2. In terms of structure, the headrest and the front surface of the backrest of the backrest frame of the utility model curved backrest automatic temperature adjustment chair are designed as curved surfaces, and the curved surface of the backrest is provided with two different inclination angles according to ergonomics and bionics. Conforms to the physiological curve of the human body, protects the human spine, and relieves the pressure on the waist;

3. The lower surface of the seat cushion with curved backrest of the utility model is equipped with a pressure sensor, and the temperature adjustment will only be performed when someone is sitting on the chair, and the temperature adjustment will not be performed all the time, which has the advantage of saving electricity and energy;

4. The curved surface backrest automatic temperature adjustment chair of the utility model collects the temperature through the temperature sensor, and transmits the data to the main controller of the single-chip microcomputer, and the main controller of the single-chip microcomputer analyzes and processes the data and outputs a signal to control the temperature control circuit. Real-time, precise and automatic adjustment of temperature;

5. The utility model is simple in structure, easy to use, and has good economic benefits and use effects.

Description of drawings

Fig. 1 is a three-dimensional structure schematic diagram of a curved backrest automatic temperature-adjusting chair of the present invention.

Fig. 2 is a left view of the three-dimensional structure of the utility model curved back automatic temperature-adjusting chair.

Fig. 3 is a schematic side view of the curved backrest of the utility model curved backrest automatic temperature adjustment chair.

Fig. 4 is a structural block diagram of the automatic temperature regulation system of the curved backrest automatic temperature regulation chair of the present invention.

Fig. 5 is a schematic circuit diagram of the temperature control circuit of the utility model curved back automatic temperature control chair.

The numbers in the figure are: 1 is the headrest, 2 is the backrest frame, 3 is the backrest, 4 is the cushion, 5 is the cushion frame, 6 is the armrest, 7 is the LCD screen, 8 is the power plug, 9 is the base, 10 is the chair Legs, 11 is the universal wheel, 12 is the cup cover, 13 is the strap, 14 is the pressure sensor, 15 is the temperature sensor, 16 is the main controller of the single chip microcomputer, 17 is the temperature control circuit, 18 is the WIFI wireless module, 19 is the first 20 is the second triode, 21 is a resistance heating wire, 22 is a circuit breaker, 23 is a leakage protector, and 24 is a semiconductor cooling chip.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail:

As shown in Figures 1 to 5, a curved backrest automatic temperature-adjusting chair includes a chair frame and a base. The chair frame is divided into a backrest frame 2 and a cushion frame 5. The backrest frame 2 is "bow" shaped, and the backrest The frame 2 is arranged with a headrest 1 and a backrest 3 sequentially from top to bottom. The headrest 1 is in the shape of a bow, and the surface of the headrest 1 is evenly distributed with circular protrusions with different radii, which can massage the human head. Pillow 1 and backrest frame 2 are connected by bolts; the backrest 3 is rectangular, and the surface of the backrest 3 is arranged as a curved surface according to ergonomics and bionics. An angle α is formed between the upper part of the curved surface and the horizontal plane. There is a β angle between the lower part and the horizontal plane, and β is 93°. When people are working on the seat, they use α angle, which can make people keep their back straight and concentrate on work; when they are in a leisure state, they use β angle. the backrest 3 is fixed on the backrest frame 2 with bolts through the triangle bracket; the lower part of the backrest frame 2 is fixedly connected with the cushion frame 5, and the two sides of the cushion frame 5 are longitudinally arranged There is a pair of "T" shaped handrails 6, a power plug 8 at both ends is left at the front end of the left side of the cushion frame 5, a rectangular cushion 4 is arranged on the upper surface of the cushion frame 5, and an automatic temperature adjustment system is provided on the lower surface of the cushion 4 , the automatic temperature regulation system comprises a pressure sensor 14, a temperature sensor 15, a single-chip main controller 16, a temperature control circuit 17, a liquid crystal display screen 7 and a WIFI wireless module 18; the signal input terminals of the single-chip main controller 16 are respectively connected A pressure sensor 14 and a temperature sensor 15 are connected, and the signal output end of the single-chip main controller 16 is respectively connected with a temperature control circuit 17 and a liquid crystal display 7, and the liquid crystal display 7 is arranged on the rear end of the left side of the cushion frame 4; The communication port of the single-chip main controller 16 is connected with the WIFI wireless module 18 through the RS485 bus; the temperature control circuit 17 includes a first triode 19, a second triode 20, a resistance heating wire 21, a circuit breaker 22, and a leakage protector 23 and semiconductor cooling sheet 24; the base of the first triode 19 is connected with the output end of the single-chip main controller 16, the collector of the first triode 19 is connected with the resistance heating wire 21, and the emitter stage of the first triode 19 Connect the circuit breaker 22 and the leakage protector 23 in turn; the base of the second triode 20 is connected with the output end of the single-chip main controller 16, and the collector of the second triode 20 is connected with the semiconductor refrigeration plate 24, and the second The emitter of triode 20 is connected with circuit breaker 22 and leakage protector 23 successively; Described cushion frame 5 is provided with base 9 longitudinally, and described base 9 is cylindrical sleeve, and base 9 lower side evenly is provided with three chair legs 10, each There is an included angle of 120° between the two chair legs 10, and the bottom of each chair leg 10 is provided with a universal wheel 11, and the curved backrest automatic temperature-adjusting chair can move on a flat ground through the universal wheel 11, eliminating the need for The strength to carry.

The front end of the upper plane of the armrest 6 of the curved backrest automatic temperature-adjusting chair is provided with a cup cover 12, and the cup cover 12 is cylindrical; both sides of the backrest 3 are respectively fixed with straps 13, and the two ends of the strap 13 They are respectively fixed on the upper and lower sides of the backrest 3, and the straps 13 are arranged on the back surface of the backrest 3. During use, the straps 13 are pulled from the back surface of the backrest 3 to the front surface and fixed on the shoulders.

During use, in summer, the temperature range suitable for human body is set as 20-25 ℃ by single-chip main controller 16; In winter, the temperature range suitable for human body is set as 25-30 ℃ by single-chip main controller 16; The two power plugs 8 on the side of the curved surface backrest automatic temperature control chair are connected to the household power socket. When someone sits down, the pressure sensor senses 14 and is pressured, and the pressure signal is transmitted to the single-chip main controller 16, and then the single-chip main controller 16 drives the temperature sensor 15 to collect the temperature, and the temperature sensor 15 transmits the collected temperature to the single-chip microcomputer Main controller 16; If the temperature collected is lower than the temperature range suitable for the human body set by the single-chip main controller 16, start the temperature regulation circuit 17 to heat up, and now the single-chip main controller 16 outputs signal a, and connects the first Transistor 19, resistance heating wire 21 and circuit breaker 22, earth leakage protector 23 form a closed loop, resistance heating wire 21 starts to heat, until the temperature in the seat cushion 4 rises to the set range, temperature sensor 15 regularly checks the seat cushion 4 during heating. The temperature is collected, and the signal is transmitted to the single-chip main controller 16. When the collected temperature reaches the set range, the output signal a is stopped, and the closed loop between the resistance heating wire 21 and the circuit breaker 22 and the leakage protector 23 is cut off. Stop heating up the seat cushion 4; if the temperature collected is lower than the temperature range suitable for the human body set by the single-chip main controller 16, start the temperature regulation circuit to cool down, and now the single-chip main controller 16 output signal b, connect the second A triode 20, semiconductor cooling sheet 24 forms a closed loop with circuit breaker 22, leakage protector 23, semiconductor cooling sheet 24 starts refrigeration, until the temperature in the seat cushion 4 is reduced to the set range, during cooling, temperature sensor 15 regularly checks the seat cushion 4. The temperature is collected, and the signal is transmitted to the single-chip main controller 16. When the collected temperature reaches the set range, the output signal b is stopped, and the closed loop between the semiconductor refrigeration chip 24 and the circuit breaker 22 and the leakage protector 23 is cut off. Stop cooling the seat cushion 4; during someone sitting down, the pressure sensor 14 and the temperature sensor 15 are constantly collecting, and through the control of the temperature regulation circuit 17 by the single-chip main controller 16, the temperature regulation is realized; In the process, the single-chip main controller 16 transmits the real-time temperature in the cushion 4 collected by the temperature sensor 15 to the liquid crystal display 7, and the liquid crystal display 7 displays the temperature in the current cushion 4 in real time; The temperature data is transmitted to other devices; during the period between the resistance heating wire 21 and the semiconductor cooling chip 24, once a leakage occurs, the leakage protector 23 works and automatically cuts off the circuit, which improves the stability of the system and ensures personal safety.

The parts of the curved backrest automatic temperature-regulating chair of the utility model are all common materials, and the processing accuracy of the parts is not high. If it is mass-produced, the cost is much lower than that of the massage chair. Considering the comprehensive production cost, the curved-surface backrest automatic temperature-regulating chair should be It has high practical value and is worth popularizing and using.

The utility model has a wide range of applications for the curved backrest automatic temperature-adjusting chair. It can be used not only in home offices and other places, but also in the waiting room to promote the product for passengers to rest while waiting for the train; to promote the product on the tired train. In the hard seat, the fatigue of the journey can be greatly reduced.

The above-described embodiments are only preferred embodiments of the present utility model, and do not limit the scope of implementation of the present utility model, so all equivalent changes or changes made according to the structure, features and principles described in the patent scope of the present utility model Modifications should be included in the patent scope of the utility model application.

Claims (5)

1. An automatic temperature-adjusting chair with a curved backrest, comprising a chair frame and a base, characterized in that the chair frame is divided into a backrest frame and a cushion frame, and the backrest frame is in the shape of a "bow", and the backrest frame is sequentially arranged from top to bottom A headrest and a backrest are arranged. The headrest is in the shape of a bow tie. Round protrusions with different radii are evenly distributed on the surface of the headrest. The headrest and the backrest frame are connected by bolts. The backrest is rectangular and the backrest surface is arranged as a curved surface. The upper part of the curved surface forms an angle α with the horizontal plane, and the lower part of the curved surface forms an angle β with the horizontal plane. The backrest is fixed on the backrest frame with bolts through a triangle bracket; the lower part of the backrest frame is fixedly connected with the cushion frame, and the cushion frame on both sides A pair of "T"-shaped armrests are arranged longitudinally, and a power plug with two ends is arranged on the front end of the left side of the cushion frame. The upper surface of the cushion frame is provided with a rectangular cushion, and the lower surface of the cushion is provided with an automatic temperature adjustment system. The temperature adjustment system includes a pressure sensor, a temperature sensor, a single-chip main controller, a temperature control circuit, a liquid crystal display and a WIFI wireless module; the signal input terminals of the single-chip main controller are respectively connected with a pressure sensor and a temperature sensor, and the single-chip main control The signal output end of the device is respectively connected with a temperature control circuit and a liquid crystal display, and the liquid crystal display is arranged on the rear end of the left side of the cushion frame; the communication port of the single-chip main controller is connected with the WIFI wireless module through the RS485 bus; The temperature regulating circuit comprises a first triode, a second triode, a resistance heating wire, a circuit breaker, an electric leakage protector and a semiconductor cooling sheet; the base of the first triode is connected with the output end of the single-chip main controller, and the first The collector of the first triode is connected with the resistance heating wire, and the emitter stage of the first triode is connected with the circuit breaker and the leakage protector in turn; the base of the second triode is connected with the output end of the main controller of the single-chip microcomputer, and the second triode The collector of the first triode is connected to the semiconductor cooling chip, and the emitter of the second triode is connected to the circuit breaker and the leakage protector in turn; the cushion frame is longitudinally arranged with a base, and the base is a cylindrical sleeve, and three strips are evenly arranged on the lower side of the base. The chair legs form a certain included angle between every two chair legs, and the bottom of one end of each chair leg is respectively provided with universal wheels. 2 . The automatic temperature-adjusting chair with curved backrest according to claim 1 , wherein the angle α is 108°, and the angle β is 93°. 3. The automatic temperature-adjusting chair with a curved backrest according to claim 1, wherein the angle between each two chair legs is 120°. 4. The automatic temperature-adjusting chair with a curved backrest according to claim 1, wherein a cup cover is arranged on the front end of the upper plane of the armrest, and the cup cover is cylindrical. 5. The automatic temperature-adjusting chair with curved backrest according to claim 1, further comprising: straps are respectively fixed on both sides of the backrest, the two ends of the straps are respectively fixed on the upper and lower sides of the backrest, and the straps Arranged on the rear surface of the backrest.