Outdoor heating pad based on solar energy

Abstract

Provided is an outdoor heating pad based on solar energy. A monocrystalline silicon solar panel, a battery box cover, a battery, a solar controller, a USB socket and a telescopic frame are installed on a battery box. The pad body comprises a heating sheet, an aluminum foil reflecting film, a silica gel waterproof sleeve and a temperature sensor; serially connected carbon fiber heating wires are arranged in the heating sheet, and knitted non-woven fabrics are filled outside the carbon fiber heating wires; an aluminum foil reflecting film is arranged below the heating sheet, and the silica gel waterproof sleeve is coated outside the heating sheet and the aluminum foil reflecting film; the USB plug, the temperature controller and the temperature sensor in the pad body are connected in series through a wire, the temperature controller can adjust the temperature, and the temperature of the carbon fiber heating wire is controlled to be within a safe range (the limited temperature is 50 DEG C) according to signals of the temperature sensor arranged in the pad body. The heating device has the advantages of being safe, environment-friendly, energy-saving, portable and simple, adopts the carbon fiber heating wire as a heat source, is low in power consumption, long in service life and high in heating speed, can radiate far infrared rays beneficial to human bodies during heat dissipation, and promotes metabolism of people.

Description

Technical Field

[0001] The invention relates to an outdoor heating pad, in particular to an outdoor heating pad based on solar energy, and belongs to the technical field of outdoor heating. Background Art

[0002] In outdoor activities, especially in cold seasons, keeping the body warm is essential to ensure individual comfort and health. Traditional outdoor heating equipment usually relies on electricity or fuel, but these methods have certain limitations, such as energy dependence and environmental impact; outdoor heating is even more problematic when there is insufficient or no electricity. In addition, long-term driving or outdoor activities will cause pain in the waist and legs. People who participate in outdoor activities will reduce their travel experience due to low back pain, and drivers will reduce their attention due to low back pain and cannot concentrate on driving. At present, there are solar electric heating products based on various heating materials on the market, as well as low back pain physiotherapy equipment based on carbon fiber heating wires, but the combination of the two has not yet been used in the field of outdoor heating or heating.

[0003] To this end, the utility model proposes an outdoor heating pad based on solar energy. A battery box is formed by combining a monocrystalline silicon solar panel and a battery. The battery box provides electrical energy for the pad body, which is energy-saving and environmentally friendly. A heating sheet is used as a heating element and is placed in the pad body. It can be quickly preheated after power is turned on, and can provide a comfortable environment for people in an outdoor roof tent. The heat source of the heating sheet is a carbon fiber heating wire, which has many excellent properties such as high strength, high modulus, high temperature resistance, wear resistance, fatigue resistance, corrosion resistance, creep resistance, strong electrical and thermal conductivity. In addition, the carbon fiber heating wire has low power consumption, long service life, fast heating speed, and radiates far infrared rays that are beneficial to the human body when dissipating heat, promoting the body's metabolism. It is very beneficial for alleviating waist and leg pain caused by long-term driving or outdoor activities for outdoor personnel, and has obvious physical therapy effects. Summary of the invention

[0004] Based on the above, the utility model proposes a solar-based outdoor heating pad to solve the problem of clean heating in the case of insufficient or no electricity. It uses high-strength, high-modulus, high-temperature-resistant, wear-resistant, fatigue-resistant, corrosion-resistant, creep-resistant, and highly conductive and thermally conductive carbon fiber heating wires as heating elements. It has fast heating, safe use, and long service life. The far-infrared rays radiated by the heating wires when dissipating heat have obvious therapeutic effects on waist and leg pain caused by long-term driving or outdoor sports. The thermostat limits the maximum heating temperature to 50°C to ensure safety. To facilitate temperature adjustment, a sliding resistor is provided in the thermostat to control the heating power. To facilitate carrying, the monocrystalline silicon solar panel can be folded and combined with the battery box into one, and the angle of the monocrystalline silicon solar panel is adjustable, which is more practical.

[0005] The technical solution of the present invention is achieved in this way:

[0006] A solar-based outdoor heating pad, comprising: a battery box, a USB plug, a thermostat, a pad body, and a wire, wherein the battery box is used as an outdoor energy supply device to provide electrical energy to the pad body through the USB plug, the thermostat and the wire to ensure outdoor heating; the battery box is composed of a monocrystalline silicon solar panel, a battery box cover, a battery, a solar controller, a USB socket, a connecting wire, and a telescopic frame, two adjacent monocrystalline silicon solar panels are installed on both sides of the battery box through a rotating shaft, the monocrystalline silicon solar panels are connected to the connecting wire, and the adjacent monocrystalline silicon solar panels are connected through a hinge, the outer side of the monocrystalline silicon solar panel is connected to the telescopic frame through a rotating shaft, and a groove is provided on the back of the monocrystalline silicon solar panel directly connected to the battery box according to the size of the contraction state of the telescopic frame; the telescopic frame is composed of a pipe sleeve, a spiral fastening sleeve, and a monopod; the spiral fastening sleeve is used for tightening and loosening, and the height of the telescopic frame can be adjusted by sliding between the monopod and the pipe sleeve so that the monocrystalline silicon solar panel faces the sunlight; the battery is placed inside the battery box, and the monocrystalline silicon solar panel is moved to the sun through the connecting wire The energy can be converted into battery energy and stored in the battery. A USB socket is installed on the outside of the battery box body. The battery output power end is connected in series with the solar controller and the USB socket through a connecting line. The solar controller controls the monocrystalline silicon solar panel to charge the battery and the battery to supply power to the load. A flip-over battery box cover is installed on the top of the battery box; the connected USB plug is inserted into the USB socket; the USB plug is connected in series with a thermostat and a temperature sensor through a wire; the pad body is composed of a heating plate, an aluminum foil reflective film, a silicone waterproof cover and a temperature sensor, the heating plate is composed of a carbon fiber heating wire and a knitted non-woven fabric connected in series, and the carbon fiber heating wire is connected to the temperature sensor at a distance of 25 cm from the wiring port in the pad body; an aluminum foil reflective film is provided under the heating plate with a thickness of 5 mm and good heat insulation performance, the purpose is to make the heat of the heating plate as concentrated as possible on the front of the pad body; the heating plate and the aluminum foil reflective film are tightly attached to the outside through a mesh double-sided adhesive with a layer of high-temperature resistant and elastic silicone waterproof cover with a thickness of 2 mm to prevent the heating plate from getting damp or short circuiting due to accidental water ingress.

[0007] The characteristic is that: when the battery is fully charged outdoors, the telescopic frame is in a retracted state, and is placed in the groove on the back of the monocrystalline silicon solar panel by rotating the shaft, and the two adjacent monocrystalline silicon solar panels are folded by hinges, and the monocrystalline silicon solar panels directly connected to the battery box are attached to both sides of the battery box by rotating the shaft; when the battery is insufficient outdoors, the telescopic frame is in an extended state, and is lowered to the ground by rotating the shaft, and the two adjacent monocrystalline silicon solar panels are unfolded by the hinges, and the monocrystalline silicon solar panels can be turned toward the sunlight by rotating the shaft.

[0008] The characteristics are as follows: the monocrystalline silicon solar panel is 0.5m long and 0.3m wide, the working voltage of two adjacent monocrystalline silicon solar panels is 18V and the power is 100W; the monocrystalline silicon solar panels on both sides of the battery box are connected in parallel, and the working voltage of the four monocrystalline silicon solar panels after parallel connection is 18V and the power is 200W; the installed capacity of 12V, 150AH battery is 1.8KWH, and under sunny conditions, the monocrystalline silicon solar panel can be fully charged in about 10 hours, which can meet the outdoor solar power supply needs.

[0009] The characteristic is that the monocrystalline silicon solar panels on both sides of the battery box are connected in parallel by connecting wires led out from the battery box, and the connecting wires are wrapped around the inner edge of the battery box without affecting the installation of the battery.

[0010] The characteristics are as follows: the pad body is 1.5m long, 1m wide, and has a rated power of 80W; the built-in series carbon fiber heating wire of the heating plate is 13m long, 4mm in diameter, 1.8Ω in resistance, and has a heating power of about 6.15W / m. It is arranged in a serpentine reciprocating manner between two layers of knitted non-woven fabrics at equal intervals of 8cm, 7cm away from the edge of the pad body, and fixed in position with high-temperature resistant glue to ensure uniform heating of the entire heating pad. It has many excellent properties such as high strength, high modulus, high temperature resistance, wear resistance, fatigue resistance, corrosion resistance, creep resistance, strong electrical conductivity and thermal conductivity; a layer of knitted non-woven fabric is tightly attached to the outside of the carbon fiber heating wire, which has the characteristics of wear resistance, flame retardancy, high tensile strength, etc.

[0011] The characteristics are as follows: the temperature sensor transmits the temperature signal to the thermostat; the temperature limit of the thermostat is 50°C. When the temperature of the carbon fiber heating wire exceeds 50°C, the thermostat will automatically disconnect the power supply until its temperature drops to a safe range, automatically reset, and reconnect the power supply of the heating wire; a sliding resistor is provided in the thermostat, and the resistance value of the sliding resistor can be controlled by the knob on the thermostat to change the current in the circuit, thereby controlling the temperature.

[0012] Compared with the prior art, the advantages of the present invention are obvious, mainly manifested in:

[0013] 1. The utility model proposes an outdoor heating pad based on solar energy, which can be used as a heating device in an outdoor roof tent environment. It adopts a single crystal silicon solar panel and a battery combination as a battery box, which provides power for the pad body. It adopts high-strength, high-modulus, high-temperature resistant, wear-resistant, fatigue-resistant, corrosion-resistant, creep-resistant, and electrically and thermally conductive carbon fiber heating wire as a heating element. It has fast heating, safe use, long service life, energy saving, environmental protection, and is simple and portable.

[0014] 2. The utility model proposes an outdoor heating pad based on solar energy. The carbon fiber heating wire can radiate far infrared rays when dissipating heat. The wavelength is similar to the far infrared wavelength of the human body, which can enable the human body to receive more far infrared radiation. When used by outdoor drivers or athletes, it can promote blood circulation, which is very beneficial for the treatment of waist and leg pain and has obvious physical therapy effects.

[0015] 3. The utility model proposes an outdoor heating pad based on solar energy, wherein the pad body is 1.5m long and 1m wide, and the carbon fiber heating wires are arranged in a serpentine manner with equal intervals of 8cm between two layers of knitted non-woven fabrics. The carbon fiber heating wires are 7cm away from the edge of the pad body and fixed in place with high-temperature resistant glue. The density and layout of the carbon fiber heating wires are reasonable to ensure uniform heating of the entire heating pad.

[0016] 4. The utility model proposes an outdoor heating pad based on solar energy. The carbon fiber heating wire is connected to an intelligent thermostat with an intelligent temperature limit of 50°C. When the temperature of the carbon fiber heating wire exceeds 50°C, the thermostat will automatically disconnect the power supply until the temperature drops to a safe range, automatically reset, and reconnect the power supply of the heating wire. Compared with traditional heating pads, it is safer and more reliable to use.

[0017] 5. The utility model proposes an outdoor heating pad based on solar energy, wherein the monocrystalline silicon solar panel directly connected to the battery box is connected to the telescopic frame through a rotating shaft, and the telescopic frame includes a pipe sleeve, a spiral fastening sleeve and a monopod, and the length of the telescopic frame can be changed by adjusting the spiral fastening sleeve. When the outdoor battery is fully charged, the telescopic frame is in a retracted state, and is placed in the groove below the monocrystalline silicon solar panel by rotating the rotating shaft, and two adjacent monocrystalline silicon solar panels are folded by hinges, and the monocrystalline silicon solar panel directly connected to the battery box is attached to both sides of the battery box by rotating the rotating shaft. When the outdoor battery is insufficient, the telescopic frame is in an extended state, and is lowered to the ground by rotating the rotating shaft, and two adjacent monocrystalline silicon solar panels are unfolded by hinges, and the monocrystalline silicon solar panel can be turned toward the sun by rotating the rotating shaft. On the one hand, the length of the telescopic frame is adjusted according to the position of the sun, so as to realize variable angle light reception, and increase the light receiving area of ​​the monocrystalline silicon solar panel. On the other hand, the telescopic and folding structure reduces the footprint of the battery box during transportation, which is convenient to carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention has attached Fig.10 Of which:

[0019] Figure 1 It is a schematic diagram of the top view structure of the utility model;

[0020] Figure 2 It is a front structural schematic diagram of the utility model;

[0021] Figure 3The three views of the battery box of the utility model in the unfolded state;

[0022] Figure 4 Three views of the battery box of the utility model in a folded state;

[0023] Figure 5 for Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0024] Figure 6 for Figure 2 A schematic diagram of the local enlarged structure at B in the middle;

[0025] Figure 7 for Figure 2 A schematic diagram of the local enlarged structure at C in the middle;

[0026] Figure 8 for Figure 2 A cross-sectional view along the cutting line DD;

[0027] Fig. 9 It is an isometric view of a battery of the present utility model;

[0028] Fig.10 This is a schematic diagram of the structure of the thermostat of the utility model.

[0029] In the figure: 1. battery box, 101. monocrystalline silicon solar panel, 102. battery box cover, 103. battery, 104. solar controller, 105. USB socket, 106. connecting wire, 107. telescopic frame, 107a. pipe sleeve, 107b. spiral fastening sleeve, 107c. monopod, 2. USB plug; 3. thermostat, 4. cushion body, 401. heating sheet; 401a. carbon fiber heating wire; 401b. knitted non-woven fabric; 402. aluminum foil reflective film; 403. silicone waterproof cover; 404. temperature sensor; 5. wire. DETAILED DESCRIPTION

[0030] like Figure 1 , 2, 3, 4, 5, 6, 7, 8, 9, 10, a solar-based outdoor heating pad comprises: a battery box 1, a USB plug 2, a thermostat 3, a pad body 4, and a wire 5, wherein the battery box 1 is used as an outdoor energy supply device to provide electrical energy to the pad body 4 through the USB plug 2, the thermostat 3 and the wire 5 to ensure outdoor heating; the battery box 1 is composed of a monocrystalline silicon solar panel 101, a battery box cover 102, a battery 103, a solar controller 104, a USB socket 105, a connecting wire 106, and a telescopic frame 107. Two adjacent monocrystalline silicon solar panels 101 are installed on both sides of the battery box 1 through a rotating shaft, and the monocrystalline silicon solar panels 101 and the connecting wire 1 06 connection, adjacent monocrystalline silicon solar panels 101 are connected by hinges, the outer side of the monocrystalline silicon solar panel 101 is connected to the telescopic frame 107 by a rotating shaft, and a groove is opened on the back of the monocrystalline silicon solar panel 101 directly connected to the battery box 1 according to the size of the telescopic frame 107 contraction state; the telescopic frame 107 is composed of a pipe sleeve 107a, a spiral fastening sleeve 107b, and a monopod 107); the spiral fastening sleeve 107b is used for tightening and loosening, and the height of the telescopic frame 107 can be slidably adjusted between the monopod 107c and the pipe sleeve 107a so that the monocrystalline silicon solar panel 101 faces the sunlight; the battery box 1 is provided with batteries 103, and the monocrystalline silicon solar panel 101 is connected to the battery box 1 by connecting wires 106. The silicon solar panel 101 converts solar energy into battery energy and stores it in the battery 103. A USB socket 105 is installed on the outside of the battery box 1. The power output end of the battery 103 is connected in series with the solar controller 104 and the USB socket 105 through a connecting line 106. The solar controller 104 controls the monocrystalline silicon solar panel 101 to charge the battery 103 and the battery 103 to supply power to the load. A flip-over battery box cover 102 is installed on the top of the battery box 1; the connecting USB plug 2 is inserted into the USB socket 105; the USB plug 2 is connected in series with a thermostat 3 and a temperature sensor 404 through a wire 5; the pad 4 is composed of a heating sheet 401, an aluminum foil reflective film 402, and a silica gel The waterproof cover 403 and the temperature sensor 404 are composed of the heating sheet 401, which are composed of a carbon fiber heating wire 401a and a knitted non-woven fabric 401b connected in series. The carbon fiber heating wire 401a is connected to the temperature sensor 404 at a distance of 25 cm from the wiring port in the pad body 4; an aluminum foil reflective film 402 with a thickness of 5 mm is arranged under the heating sheet 401, which has good heat insulation performance, so as to concentrate the heat of the heating sheet 401 on the front side of the pad body 4 as much as possible; the heating sheet 401 and the aluminum foil reflective film 402 are tightly attached to the outside with a layer of high-temperature resistant and highly elastic silicone waterproof cover 403 with a thickness of 2 mm through a mesh double-sided tape to prevent the heating sheet 401 from getting damp or causing a short circuit due to accidental water ingress.

[0031] The feature is that: when the battery 103 is fully charged outdoors, the telescopic frame 107 is in a retracted state, and is placed in the groove on the back of the monocrystalline silicon solar panel 101 by rotating the shaft, and the two adjacent monocrystalline silicon solar panels 101 are folded by hinges, and the monocrystalline silicon solar panels 101 directly connected to the battery box 1 are attached to both sides of the battery box 1 by rotating the shaft; when the battery 103 is insufficiently charged outdoors, the telescopic frame 107 is in an extended state, and is lowered to the ground by rotating the shaft, and the two adjacent monocrystalline silicon solar panels 101 are unfolded by the hinges, and the monocrystalline silicon solar panels 101 can be turned toward the sunlight by rotating the shaft.

[0032] The characteristics are as follows: the monocrystalline silicon solar panel 101 is 0.5m long and 0.3m wide, the working voltage of two adjacent monocrystalline silicon solar panels 101 is 18V and the power is 100W; the monocrystalline silicon solar panels 101 on both sides of the battery box 1 are connected in parallel, and the working voltage of the four monocrystalline silicon solar panels 101 after parallel connection is 18V and the power is 200W; the installed capacity of the 12V, 150AH battery 103 is 1.8KWH. ​​Under sunny conditions, the monocrystalline silicon solar panel 101 can fully charge the battery 103 in about 10 hours, which can meet the outdoor solar power supply needs.

[0033] The feature is that the monocrystalline silicon solar panels 101 on both sides of the battery box 1 are connected in parallel by connecting wires 106 in the battery box 1 , and the connecting wires 106 are wrapped around the inner edge of the battery box 1 without affecting the installation of the battery 103 .

[0034] The characteristics are as follows: the pad body 4 is 1.5m long, 1m wide, and has a rated power of 80W; the heating sheet 401 has a built-in series carbon fiber heating wire 401a with a length of 13m, a diameter of 4mm, a resistance of 1.8Ω, and a heating power of approximately 6.15W / m. It is arranged in a serpentine manner between two layers of knitted non-woven fabrics 401b with equal intervals of 8cm, 7cm away from the edge of the pad body 4, and fixed in position with high-temperature resistant glue to ensure uniform heating of the entire heating pad. It has many excellent properties such as high strength, high modulus, high temperature resistance, wear resistance, fatigue resistance, corrosion resistance, creep resistance, strong electrical and thermal conductivity; a layer of knitted non-woven fabric 401b is tightly attached to the outside of the carbon fiber heating wire 401a, which has the characteristics of wear resistance, flame retardancy, and high tensile strength.

[0035] The characteristics are as follows: the temperature sensor 404 transmits the temperature signal to the thermostat 3; the temperature limit of the thermostat 3 is 50°C. When the temperature of the carbon fiber heating wire 401a exceeds 50°C, the thermostat 3 will automatically disconnect the power supply until its temperature drops to a safe range, automatically reset, and reconnect the power supply of the heating wire; a sliding resistor is provided in the thermostat 3, and the resistance value of the sliding resistor can be controlled by the knob on the thermostat 3 to change the current in the circuit, thereby controlling the temperature.

Claims

1. A solar-based outdoor heating pad comprising: A battery box (1), a USB plug (2), a thermostat (3), a cushion body (4), and a wire (5), wherein the battery box (1) is used as an outdoor energy supply device to provide electric energy to the cushion body (4) through the USB plug (2), the thermostat (3) and the wire (5) to ensure outdoor heating; the battery box (1) is composed of a monocrystalline silicon solar panel (101), a battery box cover (102), a battery (103), a solar controller (104), a USB socket (105), a connecting wire (106), and a telescopic frame (107); two adjacent monocrystalline silicon solar panels (101) are installed on both sides of the battery box (1) through a rotating shaft; the monocrystalline silicon solar panels (101) and the connecting wire (106) are connected to each other. The single crystal silicon solar panels (101) are connected by hinges, the outer side of the single crystal silicon solar panel (101) is connected to the telescopic frame (107) by a rotating shaft, and a groove is provided on the back side of the single crystal silicon solar panel (101) directly connected to the battery box (1) according to the size of the contracted state of the telescopic frame (107); the telescopic frame (107) is composed of a pipe sleeve (107a), a spiral fastening sleeve (107b), and a monopod (107c); the spiral fastening sleeve (107b) is used for fastening and loosening, and the monopod (107c) and the pipe sleeve (107a) can slide to adjust the height of the telescopic frame (107) so that the single crystal silicon solar panel (101) faces the sunlight; the battery box (1) is provided with a plurality of holes. A battery (103) is placed in the battery box (1); the solar energy converted by the monocrystalline silicon solar panel (101) is converted into battery energy and stored in the battery (103) through a connecting line (106); a USB socket (105) is installed on the outside of the battery box (1); the power output end of the battery (103) is connected in series to a solar controller (104) and the USB socket (105) through the connecting line (106); the solar controller (104) controls the monocrystalline silicon solar panel (101) to charge the battery (103) and the battery (103) to supply power to the load; a flippable battery box cover (102) is installed on the top of the battery box (1); the connecting USB plug (2) is inserted into the USB socket (105); the USB plug (2 ) is connected in series with a thermostat (3) and a temperature sensor (404) via a wire (5); the pad body (4) is composed of a heating plate (401), an aluminum foil reflective film (402), a silicone waterproof sleeve (403) and a temperature sensor (404); the heating plate (401) is composed of a carbon fiber heating wire (401a) and a knitted non-woven fabric (401b) connected in series, and the carbon fiber heating wire (401a) is connected to the temperature sensor (404) at a distance of 25 cm from the wiring port in the pad body (4); an aluminum foil reflective film (402) is provided below the heating plate (401), with a thickness of 5 mm and good heat insulation performance, so as to concentrate the heat of the heating plate (401) on the front side of the pad body (4) as much as possible;The heating sheet (401) and the aluminum foil reflective film (402) are tightly attached to the outside with a layer of high temperature resistant and elastic silicone waterproof cover (403) with a thickness of 2 mm through a mesh double-sided adhesive to prevent the heating sheet (401) from getting damp or causing a short circuit due to accidental water ingress. ; 2. A solar-based outdoor heating pad according to claim 1, characterized in that: When the battery (103) is fully charged outdoors, the telescopic frame (107) is in a retracted state and is placed in a groove on the back of the monocrystalline silicon solar panel (101) by rotating the shaft, and two adjacent monocrystalline silicon solar panels (101) are folded by hinges, and the monocrystalline silicon solar panels (101) directly connected to the battery box (1) are attached to both sides of the battery box (1) by rotating the shaft; when the battery (103) is insufficiently charged outdoors, the telescopic frame (107) is in an extended state and is lowered to the ground by rotating the shaft, and two adjacent monocrystalline silicon solar panels (101) are unfolded by hinges, and the monocrystalline silicon solar panels (101) can be directed toward sunlight by rotating the shaft.

3. A solar-based outdoor heating pad according to claim 1, characterized in that: The monocrystalline silicon solar panel (101) is 0.5 m long and 0.3 m wide. The operating voltage of two adjacent monocrystalline silicon solar panels (101) is 18 V and the power is 100 W. The monocrystalline silicon solar panels (101) on both sides of the battery box (1) are connected in parallel. After the parallel connection, the operating voltage of the four monocrystalline silicon solar panels (101) is 18 V and the power is 200 W. The installed capacity of the 12 V, 150 AH battery (103) is 1.8 KWH. Under sunny conditions, the monocrystalline silicon solar panel (101) can fully charge the battery (103) in about 10 hours, thereby meeting the demand for outdoor solar power supply.

4. A solar-based outdoor heating pad according to claim 1, characterized in that: The monocrystalline silicon solar panels (101) on both sides of the battery box (1) are connected in parallel by connecting wires (106) extending from the battery box (1); the connecting wires (106) are wrapped around the inner edge of the battery box (1) and do not affect the installation of the battery (103).

5. A solar-based outdoor heating pad according to claim 1, characterized in that: The pad body (4) is 1.5 m long, 1 m wide, and has a rated power of 80 W; the heating plate (401) has a built-in series-connected carbon fiber heating wire (401a) with a length of 13 m, a diameter of 4 mm, a resistance of 1.8 Ω, and a heating power of approximately 6.15 W / m. It is arranged in a serpentine manner between two layers of knitted non-woven fabrics (401b) at equal intervals of 8 cm, 7 cm away from the edge of the pad body (4), and fixed in position with high-temperature resistant glue to ensure uniform heating of the entire heating pad. It has many excellent properties such as high strength, high modulus, high temperature resistance, wear resistance, fatigue resistance, corrosion resistance, creep resistance, and strong electrical and thermal conductivity; a layer of knitted non-woven fabric (401b) is tightly attached to the outside of the carbon fiber heating wire (401a), and has the characteristics of wear resistance, flame retardancy, and high tensile strength.

6. A solar-based outdoor heating pad according to claim 1, characterized in that: The temperature sensor (404) transmits a temperature signal to the thermostat (3); the thermostat (3) has a temperature limit of 50°C. When the temperature of the carbon fiber heating wire (401a) exceeds 50°C, the thermostat (3) automatically disconnects the power supply until the temperature drops to a safe range, automatically resets, and reconnects the power supply of the heating wire; a sliding resistor is provided in the thermostat (3), and the current in the circuit can be changed by controlling the resistance value of the sliding resistor with a knob on the thermostat (3), thereby controlling the temperature.

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