CN201054801Y - A carbon fiber paper electric heating plate - Google Patents

Abstract

The utility model relates to a carbon fiber paper-based electric heating plate, which uses conductive carbon paper as heating materials and copper foil as power transmission of the cathode and the anode. The front and the back surfaces of the conductive carbon and the copper foil are respectively provided with five protection layers, namely, a heat transmission layer, an anti-electrostatic layer, a waterproof layer, a flame retardant layer and an insulating layer. The copper foils of the cathode and the anode are connected with a liquid crystal display controller, and the voltage and the heat temperature can be adjusted according to the need. The electric heating plate can be made into a thin layer or an ultra-thin layer, with 0.5 to 2mm thickness, 20 to 80 DEG C heating temperature, and 12 to 240 volt service voltage. The electric heating plate can be hot after being electrified for 20 seconds, and the transmission speed for heat transfer is rapid. The conductive carbon paper is mainly carbon fiber materials, and has the advantages of high strength, high elasticity, light quality, high temperature resistance, good conductivity of electricity and heat, etc. The copper foils of the cathode and the anode have ultra-thin and conductive characteristics. The electric heating plate has the good characteristics of electric conductivity, flame retardance, water resistance, electrostatic resistance, electromagnetic resistance, insulation, heat transmission, heat dissipation, etc. can be used in the plane or special-shaped surface and can be used for industrial ultra-thin apparatuses, construction heating and warming, medical insulation and treatment, etc.

Description

A carbon fiber paper-based electric heating plate

technical field

The utility model relates to a carbon fiber paper-based electric heating plate, which belongs to the technical field of non-metallic carbon material heating devices.

Background technique

In modern industry and daily products, a large number of heating devices are used. The most commonly used heating material is metal-based nickel-chromium alloy resistance heating wire, and nickel-chromium alloy wire is often used to make electric heating plates and devices of various specifications. These Due to the use of nickel-chromium alloy, most of the electric heating plates have high energy consumption, large thickness, complex structure of electric insulation and heat insulation protection, many safety hazards, large electromagnetic field and electrostatic interference, and short service life. Processing and utilization have a greater impact.

Electric heating plates and devices have various forms and a wide range of uses, and can be used for industrial heating and drying, constant temperature insulation heating, product preheating, medium and low temperature tests, wall hanging heating in daily life, electric heaters made of various shapes, medical physiotherapy In thermal protection, thermal treatment, medical testing, testing, etc., the design structure and production of electric heating plates also have various forms, most of which are not ideal, some internal structures are not reasonable enough, and some are anti-leakage, anti-static, anti-flame retardant and insulation. The protective measures are poor, some have low strength, short service life, some are easy to deform, and have poor corrosion resistance, which greatly restricts the development of electric heating plate technology.

Contents of the invention

purpose of invention

The purpose of this utility model is to design a new type of electric heating plate structure for the deficiency of the background technology. Make the electric heating plate achieve the purpose of high safety factor, fast heating speed, strong constant temperature and heat preservation, and wide adaptability.

Technical solutions

The main structure of the utility model consists of: conductive carbon paper, anode copper foil, cathode copper foil, insulation layer, waterproof layer, flame retardant layer, antistatic layer, heat transfer layer, insulation sheet, controller, liquid crystal display, voltage and power control Knob, power switch key, and wiring board; the electric heating plate 1 is rectangular, and the middle of the electric heating plate 1 is a rectangular conductive carbon paper 2, and a long L-shaped anode copper is pressed on the lower left of the front of the conductive carbon paper 2. Foil 3, a short L-shaped cathode copper foil 4 is pressed and pasted on the right part of the conductive carbon paper 2, and the anode copper foil 3 and the cathode copper foil 4 are connected to the controller 5 through the wiring boards 12, 13 and wires 14; the conductive carbon paper 2 Both ends are insulating sheets 25, 26; a heat transfer layer 24 and an antistatic layer are sequentially provided on the fronts of the conductive carbon paper 2, the long L-shaped anode copper foil 3, the short L-shaped cathode copper foil 4, and the insulating sheets 25, 26. 22. Flame retardant layer 20, waterproof layer 18, insulating layer 16; heat transfer layer 23, antistatic layer 21, flame retardant layer 19, waterproof layer 17, insulating Layer 15.

The controller 5 is a rectangular body, the upper part is a liquid crystal display 6, the lower part of the liquid crystal display 6 is an indicator light 7, the lower part of the indicator light 7 is connected with a voltage power control knob 8, and the lower part of the voltage power control knob 8 is a power switch key 9, The power switch key 9 connects the wiring boards 12, 13, and simultaneously connects the anode terminal 10 and the cathode terminal 11 at the rear part of the controller 5, and the anode terminal 10 and the cathode terminal 11 are connected to an external power supply.

The conductive carbon paper is rectangular, and the conductive carbon fiber 27 and the pulp 28 are dense and irregular interweaving and solid adhesive structure.

The anode copper foil 3 and the cathode copper foil 4 on the conductive carbon paper 2 are connected in parallel, the voltage control range is 12-240V, the heating power is 50-1000W, the heating temperature is 20-80°C, and the heating time after power-on is 20 seconds.

Beneficial effect

Compared with the background technology, the utility model has obvious advancement. It uses conductive carbon paper as the heating material, uses copper foil as the cathode and anode power transmission material, and sets 5 layers of protective layers on the front and back of the conductive carbon paper and copper foil. , that is: heat transfer layer, anti-static layer, flame retardant layer, waterproof layer, insulation layer, cathode and anode copper foil connection controller, the controller is equipped with a liquid crystal display screen, voltage and power control knob, and can adjust the voltage and power at any time as needed. Heat temperature, the electric heating plate can be made into thin layer or ultra-thin layer, the thickness of the electric heating plate can be 0.5-2.0mm, the heating temperature can be adjusted within the range of 20-80°C, and the operating voltage can be adjusted within the voltage range of 12-240V. The heating time can be generated within 20 seconds after power on, and the heat conduction is rapid. The conductive carbon fiber material of conductive carbon paper has the characteristics of light weight, high strength, high elasticity, high temperature resistance, good electrical conductivity and thermal conductivity, and the anode copper foil and cathode copper foil have Good electrical conductivity and multi-layer protection on the front and back make the electric heating plate have good performances such as flame retardant, waterproof, anti-static, anti-electromagnetic, insulation, heat transfer, and heat dissipation. Made into a curved shape, it is safe and reliable for special use. This hot plate can be widely used in electric heating, heating, medical experiment treatment, industrial heating, drying, etc. of ultra-thin devices. It is an ideal carbon fiber paper-based electric heating plate. .

Description of drawings

Figure 1 is the front view of the overall structure

Figure 2 is a top view of the overall structure

Fig. 3 is A-A sectional view of Fig. 1

Figure 4 is a diagram of the interweaving state of carbon fiber pulp in the longitudinal section of conductive carbon paper

As shown in the figure, the list of reference symbols is as follows:

1. Electric heating plate, 2. Conductive carbon paper, 3. Anode copper foil, 4. Cathode copper foil, 5. Controller, 6. LCD display, 7. Indicator light, 8. Voltage and power control knob, 9. Power switch key, 10, anode terminal, 11, cathode terminal, 12, wiring board, 13, wiring board, 14, wire, 15, insulating layer, 16, insulating layer, 17, waterproof layer, 18, waterproof layer, 19, flame retardant layer, 20, flame retardant layer, 21, antistatic layer, 22, antistatic layer, 23, heat transfer layer, 24, heat transfer layer, 25, insulating sheet, 26, insulating sheet, 27, conductive carbon fiber, 28, pulp .

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figures 1, 2, and 3, they are overall structural diagrams. The electric heating plate 1 is a rectangular body, and it can also be made into a square, circular, fan-shaped, triangle, etc. according to needs, and can also be decorated with calligraphy and paintings on the surface. Products, hanging heat dissipation and heating.

The middle of the electric heating plate 1 is conductive carbon paper 2, and the lower left part of the front of the conductive carbon paper 2 has a long L-shaped anode copper foil 3, and the right part has a short L-shaped cathode copper foil 4, and the anode and cathode copper foils are connected through wires 14. The controller 5 and the external power supply can convert the conductive carbon paper 2 into heat energy and dissipate heat outside after power on. There are 5 layers of protection layers on the front and back sides, namely heat transfer layer, antistatic layer, waterproof layer, and flame retardant layer. , Insulation layer, and 3 layers, 4 layers, 6 layers, 8 layers of protective layers can also be set on the front and back sides according to the needs.

Conductive carbon paper is made by pressing conductive carbon fiber and pulp in proportion. Conductive carbon fiber has the advantages of light weight, high strength, high elasticity, high temperature resistance, electrical and thermal conductivity, etc. The cathode and anode copper foil can be made by pasting or coating, so that it has Ultra-thin, conductive and other properties, the copper foil material can choose copper-based powder adhesive material or ultra-thin copper sheet.

The cathode and anode copper foils 3 and 4 are connected to the controller 5 in a parallel connection, and may also be connected in series as required to increase the conductive transmission function.

The controller 5 regulates the input power of the voltage and current and the heat of the electric heating plate through the liquid crystal display 6 and the voltage and power control knob 8 .

This electric heating plate can be made into thin or ultra-thin shape, its thickness can be 0.5-2mm, the heating temperature can be 20-80 ℃, the voltage can be 12-240V, it can generate heat within 20 seconds after power on, and the heat conversion transmission speed Fast, even heat, can be used flat or curled, can be hung, pedaled, moved, or fixed installation, insulation, flame retardant, waterproof, anti-static, anti-electromagnetic pollution, safe and reliable.

As shown in FIG. 4 , it is a longitudinal section structure diagram of conductive carbon paper. It can be seen from the figure that the conductive carbon fiber 27 is gelled and bonded with the pulp 28 .

Claims (4)

1. carbon fiber paper substrate electric hot plate is characterized in that: primary structure by: conduction carbon paper, anode Copper Foil, negative electrode Copper Foil, insulating barrier, watertight composition, flame-retardant layer, antistatic backing, heat transfer layer, insulating trip, controller, LCDs, voltage power regulation and control knob, power switch key, terminal block are formed; The rectangular body of electric hot plate (1), the inside middle of electric hot plate (1) is rectangular-shaped conduction carbon paper (2), front lower left quarter at conduction carbon paper (2) has overlayed long L shaped anode Copper Foil (3), right part at conduction carbon paper (2) has overlayed short L shaped negative electrode Copper Foil (4), and anode Copper Foil (3), negative electrode Copper Foil (4) connect controller (5) by terminal block (12,13), lead (14); The both ends of conduction carbon paper (2) are insulating trip (25,26); Front at conduction carbon paper (2), long L shaped anode Copper Foil (3), short L shaped negative electrode Copper Foil (4), insulating trip (25,26) is provided with heat transfer layer (24), antistatic backing (22), flame-retardant layer (20), watertight composition (18), insulating barrier (16) successively; Be provided with heat transfer layer (23), antistatic backing (21), flame-retardant layer (19), watertight composition (17), insulating barrier (15) successively at conduction carbon paper (2), insulating trip (25,26) reverse side.

2. a kind of carbon fiber paper substrate electric hot plate according to claim 1, it is characterized in that: described controller (5) is a cuboid, top is LCDs (6), LCDs (6) bottom is indicator light (7), indicator light) (7) bottom connects voltage power regulation and control knob (8), voltage power regulation and control knob (8) bottom is power switch key (9), power switch key (9) connects terminal block (12,13), the anode terminal (10), the cathode terminal (11) that connect controller (5) rear portion simultaneously, anode terminal (10), cathode electronics (11) connect external power source.

3. a kind of carbon fiber paper substrate electric hot plate according to claim 1, it is characterized in that: described conduction carbon paper is a rectangle, conductive carbon fibre (27) interweaves for densification is irregular with paper pulp (28), solid-state adhesive structure.

4. a kind of carbon fiber paper substrate electric hot plate according to claim 1, it is characterized in that: the anode Copper Foil (3) on the described conduction carbon paper (2), negative electrode Copper Foil (4) are parallel connection, the regulating and controlling voltage scope is 12-240V, heating power is 50-1000W, heating-up temperature is 20-80 ℃, and energising back fever time is 20 seconds.

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