CN111407105A - Electric heating wire chair - Google Patents

Abstract

The present invention provides a heating wire seat, comprising a seat body and a heating wire module embedded in the seat body. The heating wire module includes a plate body, a heating wire module fixed on the plate body, and a heat insulation layer. , the heat insulation layer is fixed on the lower surface of the plate body, the seat body is provided with a cavity with an upper opening, the heating wire module is fixed in the cavity, the heat insulation layer and the cavity are The bottom of the cavity is in contact, and a decorative surface layer is installed at the upper opening of the cavity; after the heating wire module is energized, the seat body and the decorative surface layer are heated, and a pressure sensor is arranged on the decorative surface layer. A processor is electrically connected, the processor is electrically connected with a controller, the controller is electrically connected with the heating wire module, and the controller controls the working condition of the heating wire module. The present invention heats up the decorative surface layer through the electric heating wire, thereby improving the comfort of the user.

Description

A heating wire seat

technical field

The invention relates to the field of landscape seats, in particular to an electric heating wire seat.

Background technique

Landscape seating is one of the essential elements in landscape design. It exists as a garden sketch (a garden sketch is a small facility in a garden that is small in size, novel in shape, used to embellish the garden space and add garden scenery), Provide tourists with a public place for temporary rest, which can be seen everywhere in parks, streets, squares, and green spaces beside the streets.

In winter in the north, as the temperature gradually decreases, visitors will feel cold when sitting on traditional landscape seats, which will affect their comfort. In order to avoid discomfort caused by tourists sitting on the cold landscape seats, the heating function of the landscape seats is particularly important. important.

SUMMARY OF THE INVENTION

The invention provides an electric heating wire seat, which is used on the landscape seat of the North Square, and the electric heating wire is used to heat the seat in cold weather.

The technical scheme that realizes the object of the present invention is as follows:

An electric heating wire seat, comprising a seat body, an electric heating wire assembly embedded in the seat body, the electric heating wire assembly including a plate body, an electric heating wire module fixed on the plate body, and a heat insulation layer. The heat insulation layer is fixed on the lower surface of the plate body, the seat body is provided with a cavity with an upper opening, the heating wire module is fixed in the cavity, and the heat insulation layer is connected to the bottom of the cavity. contact, a decorative surface layer is installed at the upper opening of the cavity;

After the electric heating wire module is energized, it heats the seat body and the decorative surface layer, the decorative surface layer is provided with a pressure sensor, the pressure sensor is electrically connected to the processor, and the processor is electrically connected to the controller, so The controller is electrically connected to the heating wire module, and the controller controls the working condition of the heating wire module;

The pressure sensor detects whether there is a person sitting on the seat body, and outputs the detection signal to the processor,

If the pressure sensor has no signal output to the processor for a long time, the processor controls the controller to cut off the power supply of the heating wire module;

If the pressure sensor has no signal output to the processor for a long time, the processor cuts off the power supply circuit of the heating wire module at the main power supply.

As a further improvement of the present invention, an equipotential equilibrium line is laid under the ground around the seat body, and the exposed part of the equipotential equilibrium line is electrically connected to the heating wire module.

As a further improvement of the present invention, the buried depth of the equipotential equilibrium line is greater than 0.8m.

As a further improvement of the present invention, a plurality of heating wire modules are fixed on the plate body;

Each heating wire module includes a live wire, a neutral wire, a positive input fixing piece, a negative output fixing piece, a plurality of lateral fixing plates, a connecting fixing piece and a heating wire. The live wire and the neutral wire and the positive input fixing piece and the negative output fixing piece are common A frame shape is formed, part of the outer peripheral wall of the live wire is fixedly connected with the positive input fixing piece, and part of the outer peripheral wall of the zero line is fixedly connected with the negative output fixing piece, and the positive input fixing piece and the negative output fixing piece are all made of insulating materials;

A plurality of lateral fixing plates respectively fix the heating wire, the connecting fixing piece is located at the intersection of the positive input fixing piece and the lateral fixing plate, the negative output fixing piece and the lateral fixing plate, and the connecting fixing piece connects the positive input fixing piece with a lateral fixing piece. The fixing plate is fixedly connected, and the connecting fixing piece is fixedly connecting the negative output fixing piece with another lateral fixing plate;

Several heating wires are fixed between the live wire and the neutral wire, and the live wire, the neutral wire and several heating wires form a heating loop.

As a further improvement of the present invention, the positive input fixing member and the negative output fixing member are square plates with interlayers, there is a gap between the interlayers, part of the live wire is embedded in the interlayer of the positive input fixing member, and part of the neutral wire is embedded in the negative output fixing member In the interlayer, the positive input fixing piece and the negative output fixing piece are connected with the negative terminal of the power supply and the positive terminal of the power supply. In a frame type, the current flows through the positive terminal of the power supply, the live wire, the positive terminal, the heating wire, the negative terminal, the neutral wire, and the negative terminal of the power supply.

As a further improvement of the present invention, a plurality of heating wire modules are arranged in parallel.

As a further improvement of the present invention, each heating wire module is composed of a plurality of heating wires, and the plurality of electric heaters are connected end to end and are distributed on the plate body in a serpentine shape.

Compared with the prior art, the beneficial effects of the present invention are:

1. The present invention lays an equipotential equilibrium line connection under the ground around the seat body, and adopts ground point equalization measures. The equipotential equilibrium line is made of 25x4 galvanized flat steel or φ10 galvanized round steel material, and the spacing is 0.6m. Make horizontal connections at least at 2 places, and the equipotential equilibrium line should be buried at a depth of 0.8m.

2. The thermal insulation layer of the present invention is laid with thermal insulation materials, and the thermal insulation materials can block the downward transfer of the heat generated by the heating wire.

3. The heating wire of the present invention is a metal wire with high resistivity and good insulation performance, which can generate heat after being energized, and the heat generated increases the temperature of the decorative surface layer.

4. The electric heating wire of the present invention is fixed on the plate body in a coiled shape, and generates heat when it is energized.

5. The plate body of the present invention is provided with an overheating safety thermostat, and 2 to 4 overheating safety thermostats are connected in series on each group of electric heating wires to play a safety protection role for the electric heating wires. The invention also installs a controller on the side wall of the seat body, the controller has a constant temperature control function, and the constant temperature controller keeps the surface of the decorative surface layer within the set temperature range. When the temperature of the decorative surface layer is lower than the set temperature When the lower limit temperature is reached, the heating wire automatically heats up, and when the temperature of the decorative surface layer is higher than the set upper-line temperature, the heating wire automatically disconnects the power supply, so as to achieve the purpose of automatic constant temperature.

6. In the present invention, a moisture-proof layer is arranged on the upper surface of the heating wire plate, and the moisture-proof layer can prevent the moisture of the decorative surface layer from invading the heating wire plate and prolong the service life of the heating wire plate.

7. The present invention is provided with a positive input fixing piece, a negative output fixing piece and a lateral fixing plate, which avoids the destruction of the entire circuit caused by the violent disassembly and assembly of the seat body by the construction personnel; the positive input fixing piece and the negative output fixing piece are arranged in a sandwich structure , it is not only convenient for the wires to be accommodated in the positive input fixture and the negative output fixture, but also by increasing the thickness of the positive input fixture and the negative output fixture, it can also ensure that the positive input fixture and the negative output fixture have high structural strength , to avoid the high temperature caused by the heating of the heating wire to cause plastic deformation of the positive input fixture and the negative output fixture.

8. The serpentine distribution of the heating wire of the present invention maximizes the contact area between the heating wire and the decorative surface layer and improves the heating efficiency; and the heating wire in the heating module is composed of multiple groups, so that the current flowing through the live wire can be simultaneously Compared with a single group of heating wires, the current flowing through multiple groups of heating wires has a shorter flow path, avoiding the problem that the heat of the heating wire exceeds the rated power caused by the long-term flow in a single heating wire.

9. The positive terminal and the negative terminal in the present invention not only function as joints, but also stabilize the position of the heating wire, reduce the influence of external forces on the connection end of the heating wire, and ensure that the end of the heating wire is connected to the live wire and zero. The cable connection is stable.

Description of drawings

Figure 1 is a plan view of a resistance wire seat;

Figure 2 is a cutaway view of a resistance wire seat;

3 is a schematic structural diagram of a heating wire module;

4 is a schematic diagram of the circuit layout of the circuit part of the heating wire module;

Fig. 5 is the schematic diagram of the installation part of the heating wire module;

6 is a schematic diagram of the positional relationship between the positive input fixture and the live wire;

FIG. 7 is a schematic diagram of the positional relationship between the negative output fixing member and the neutral line.

100, seat body; 10, heat insulation layer; 20, heating wire assembly; 21, plate body; 22, heating wire module; 221, live wire; 221-1, power positive terminal; 221-2, positive terminal ;222, neutral line; 222-1, negative terminal of power supply; 222-2, negative terminal; 223, positive input fixing part; 224, negative output fixing part; 225, side fixing plate; 226, connecting fixing part; 227, electric heating wire; 227-1, first group of electric heating wire; 227-2, second group of electric heating wire; 227-3, third group of electric heating wire; 30, moisture-proof layer; 40, decorative surface layer; 200, equipotential Balance line.

Detailed ways

The present invention will be described in detail below with reference to the various embodiments shown in the accompanying drawings, but it should be noted that these embodiments do not limit the present invention. Equivalent transformations or substitutions all fall within the protection scope of the present invention.

In the description of this embodiment, it should be understood that the terms "center", "portrait", "horizontal", "top", "bottom", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention The description is created and simplified rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first", "second", etc., may expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

The present invention provides a heating wire seat, as shown in FIG. 2 , comprising a seat body 100 and a heating wire assembly 20 embedded in the seat body 100 . The heating wire assembly 20 includes a plate body 21 , a solid The heating wire module 22 and the heat insulation layer 10 are arranged on the plate body 21. The heat insulation layer 10 is fixed on the lower surface of the plate body 21. The seat body 100 is provided with a cavity with an upper opening, and the heating wire module 22 is fixed In the cavity, the heat insulation layer 10 is in contact with the cavity bottom of the cavity, and a decorative surface layer 40 is installed at the upper opening of the cavity; after the heating wire module is energized, the seat body 100 and the decorative surface layer 40 are heated, and the decorative surface layer 40 is provided with a pressure sensor, the pressure sensor is electrically connected with the processor, the processor is electrically connected with the controller, the controller is electrically connected with the heating wire module, and the controller controls the working condition of the heating wire module; the pressure sensor detects the seat Whether there is a person sitting on the chair body 100, and output the detection signal to the processor, if there is no signal output from the pressure sensor to the processor for a long time, the processor controls the controller to cut off the power supply of the heating wire module; If there is no signal output, the processor cuts off the power supply circuit of the heating wire module at the main power supply.

In the present invention, the controllers of different seat bodies 100 are all controlled by the control terminal. The control terminal and the controller are electrically connected through a wireless communication module. The controller is fixed on the side wall of the seat body 100 in the width direction. The controller is electrically connected to the heating wire 227 and the lamp strip, the controller controls the working condition of the heating wire 227, and the controller controls the working condition of the lamp strip. As shown in FIG. 4 , a plurality of groups of heating wires 227 are arranged in sequence along the length direction of the seat body 100 . The heating wires 227 connected end to end in each group are distributed in a serpentine shape. Multiple groups of heating wires 227 are arranged in parallel.

The thermal insulation layer 10 of the present invention is laid with thermal insulation material, and the thermal insulation material can prevent the heat generated by the heating wire 227 from being transmitted downward. The heating wire 227 of the present invention is a metal wire with high resistivity and good insulation performance, which can generate heat after being energized, and the heat generated increases the temperature of the decorative surface layer 40 . The heating wire 227 of the present invention is fixed on the plate body 21 in a coiled shape, and generates heat when it is energized.

The seat body 100 of the present invention is provided with a heating wire 227, which can heat the seat after being powered on. The heating wire 227 is made of nickel-chromium wire, the voltage is 220V, the current is 5A, and the heating power is 1100W. The heating wire 227 has good heat resistance, is not suitable for oxidation at high temperature, and has good mechanical strength.

The seat control method of the present invention is as follows: each group of seats is provided with a local temperature control switch to facilitate temperature adjustment; a pressure sensor is provided on the seat surface to cut off the power supply of the heating wire 227 when there is no input signal for a long time. After the pressure signal is generated, the heating wire 227 is energized with a delay. The power supply can also be cut off at the main power distribution when it is not used for a long time.

The seat of the present invention is relatively safe, and the reasons are as follows: 1. There are non-conductive insulating layers on both sides of the heating wire to prevent people from getting electric shock. 2. Set up local equipotential bonding around the heated seat, take ground point equalization measures, and lay an equipotential equalization line (25x4 galvanized flat steel or φ10 galvanized round steel) under the ground around the seat, with a spacing of about 0.6m. Make horizontal connections at least at 2 places with a buried depth of 0.8m; connect the PE wire to the ground wire of the heating cable and the equipotential equalization wire (as shown in Figure 1). 3. Each group of seats is equipped with a residual current action protector, the protection switch is set in the seat, and the action current is set to 30mA.

In the present invention, an equipotential equilibrium line 200 is laid under the ground around the seat body 100 for connection, and ground point equalization measures are taken. , Make horizontal connections at least at 2 places, the equipotential balance line 200 is buried at a depth of 0.8m, and the grounded conductor of the exposed conductive part is connected with the heating cable grounding line and the equipotential balance line 200 .

The controller of the present invention is fixed on the side wall of the seat body 100 in the width direction. The controller is electrically connected to the heating wire 227 and the lamp strip, the controller controls the working condition of the heating wire 227, and the controller controls the working condition of the lamp strip. The controllers of different seat bodies 100 are all controlled by the control terminal. The control terminal and the controller are electrically connected through a wireless communication module.

The plate body 21 of the present invention is provided with an overheating safety thermostat, and 2 to 4 overheating safety thermostats are connected in series on each group of heating wires 227 to play a safety protection role for the heating wires 227 . In the present invention, a controller is also installed on the side wall of the seat body 100. The controller has a constant temperature control function. The constant temperature controller keeps the surface of the decorative surface layer 40 within a set temperature range. When the temperature of the decorative surface layer 40 is low When the lower temperature is set, the heating wire 227 is automatically heated. When the temperature of the decorative surface layer 40 is higher than the set upper-line temperature, the heating wire 227 is automatically disconnected from the power supply, so as to achieve the purpose of automatic constant temperature.

The controller of the present invention is fixed on the side wall of the seat body 100 in the width direction. The controller is electrically connected to the heating wire 227 and the lamp strip, the controller controls the working condition of the heating wire 227, and the controller controls the working condition of the lamp strip. The controllers of different seat bodies 100 are all controlled by the control terminal. The control terminal and the controller are electrically connected through a wireless communication module. In the light strip of the invention, the LED light is fixed on the strip-shaped flexible circuit board, and the LED light emits light after being powered on, so as to achieve the purpose of auxiliary lighting. The light strip of the present invention is soft and easy to bend, and is covered in flexible plastic, and has good insulation and waterproof performance. In addition, the light strip also emits various colors, and the color change can be controlled to bring colorful visual effects around the seat body 100 .

In the present invention, a moisture-proof layer 30 is arranged on the upper surface of the heating wire assembly 20 , and the moisture-proof layer 30 can prevent the moisture of the decorative surface layer 40 from invading the heating wire assembly 20 and prolong the service life of the heating wire assembly 20 .

The heating module of the present invention is described in detail below.

As shown in FIGS. 3-7 , a plurality of heating modules are fixed on the plate body 21 of the present invention, and the heating modules include a live wire 221, a neutral wire 222, a positive input fixing member 223, a negative output fixing member 224, and a lateral fixing plate. 225. Connect the fixing member 226 and the heating wire 227. The live wire 221 and the neutral wire 222 form a frame shape through the positive input fixing member 223 and the negative output fixing member 224. Part of the peripheral wall of the live wire 221 is fixedly connected with the positive input fixing member 223. Part of the peripheral wall of 222 is fixedly connected with the negative output fixing member 224, and the positive input fixing member 223 and the negative output fixing member 224 are made of insulating material. Several lateral fixing plates 225 respectively fix the heating wire 227, and the connecting fixing member 226 is located at the intersection of the positive input fixing member 223 and the lateral fixing plate 225, and the negative output fixing member 224 and the lateral fixing plate 225. The input fixing member 223 is fixedly connected with one lateral fixing plate 225 , and the connecting fixing member 226 is fixedly connecting the negative output fixing member 224 with the other lateral fixing plate 225 .

As shown in FIG. 4 , several heating wires 227 of the present invention are fixed between the live wire 221 and the neutral wire 222 , and the live wire 221 , the neutral wire 222 and the plurality of heating wires 227 form a heating circuit. Specifically, the live wire 221, the power positive terminal 221-1, the neutral wire 222, the power negative terminal 222-1, the positive input fixture 223, the negative output fixture 224, and the heating wire 227 form a power supply loop.

As shown in FIG. 4 , the live wire 221 and the neutral wire 222 of the present invention are arranged in a semi-frame structure, the incoming wire end of the live wire 221 is fixedly connected with the power positive terminal 221-1, and the power positive terminal 221-1 is electrically connected to the live wire 221. Connection; the outlet end of the neutral line 222 is fixedly connected with the negative terminal 222-1 of the power supply, and the negative terminal 222-1 of the power supply is electrically connected with the neutral line 222. The live wire 221, the power positive terminal 221-1, the neutral wire 222, and the power negative terminal 222-1 form a frame structure.

As shown in FIG. 3 and FIG. 4 , the power supply positive terminal 221-1 and the power supply negative terminal 222-1 of the present invention are both electrically connected to the external power supply, and the external power supply supplies power to the power supply circuit; the positive input fixing member 223 is fixed to the negative output The component 224 is a square plate with interlayers, and there are gaps between the interlayers. Part of the live wire 221 is embedded in the interlayer of the positive input fixing member 223, and part of the neutral wire 222 is embedded in the interlayer of the negative output fixing member 224. The positive input fixing member 223, the negative output The fixing piece 224 is connected to the power supply negative terminal 222-1 and the power supply positive terminal 221-1, the positive input fixing piece 223, the negative output fixing piece 224, the power supply negative terminal 222-1, the power supply positive terminal 221-1, the live wire 221 and the neutral wire 222 are enclosed in a frame shape, and the current flows through the positive terminal 221-1 of the power supply, the live wire 221, the positive terminal 221-2, the heating wire 227, the negative terminal 222-2, the neutral wire 222, and the negative terminal of the power supply. end 222-1.

As shown in FIG. 6 , the live wire 221 of the present invention is fixedly connected to the positive input fixing member 223 . As shown in FIG. 7 , the neutral wire 222 is fixedly connected to the negative output fixing member 224 . Or crack-like damage, in order to prevent the user from using tools to penetrate from the damaged place and then damage the live wire 221 and the neutral wire 222, the positive input fixing member 223 and the negative output fixing member 224 of the present invention can both protect the live wire 221 and the neutral wire 222 from being damaged. is destroyed, and the overall rigidity of the live wire 221 and the neutral wire 222 is increased;

As shown in FIG. 5 , the present invention is provided with a positive input fixing member 223 , a negative output fixing member 224 and a lateral fixing plate 225 , so as to avoid the destruction of the entire circuit caused by the violent disassembly and assembly of the seat body 100 by the construction personnel; as shown in FIGS. 6 and 7 . As shown, the positive input fixing member 223 and the negative output fixing member 224 are arranged in a sandwich structure, which is not only convenient for the wires to be accommodated in the positive input fixing member 223 and the negative output fixing member 224, by adding the positive input fixing member 223 and the negative output fixing member 223. The thickness of the member 224 can also ensure that the positive input fixing member 223 and the negative output fixing member 224 have high structural strength, and avoid plastic deformation caused by the high temperature caused by the heating of the heating wire 227.

As shown in FIG. 4 , several heating wires 227 of the present invention are distributed in a serpentine shape, the current input end of the heating wire 227 is electrically connected to the positive terminal 221-2, and the current output terminal of the heating wire 227 is connected to the negative terminal 222-2. Electrically connected, the heating wires 227 are distributed in a serpentine shape, which maximizes the contact area between the heating wires 227 and the decorative surface layer 40 and improves the heating efficiency; Current can flow through multiple groups of heating wires 227 at the same time, which is shorter than a single group of heating wires 227 current flow path, avoiding the problem that the heat of heating wire 227 exceeds rated power due to long-term flow in a single heating wire 227 .

As shown in FIG. 3 and FIG. 4 , the connection between the heating wire 227 and the live wire 221 of the present invention is fixedly connected with a positive terminal 221-2, and the connection between the heating wire 227 and the neutral wire 222 is fixedly connected with a negative terminal 222-2 , setting the positive terminal 221-2 and the negative terminal 222-2 not only acts as a joint, but also stabilizes the position of the heating wire 227, reduces the influence of external forces on the connection end of the heating wire 227, and ensures that the heating wire 227 The terminal is connected stably with the live wire 221 and the neutral wire 222.

As shown in FIG. 3 and FIG. 5 , the lateral fixing plate 225 of the present invention can also be a square plate with a sandwich structure. The upper and lower ends of the lateral fixing plate 225 are provided with arc-shaped holes, and the connecting and fixing members 226 are inserted into the arc-shaped holes. Inside, the connection fixing member 226 is provided not only to fix the positions of the live wire 221 , the neutral wire 222 and the lateral fixing plate 225 , and the lateral fixing plate 225 is made of thermally conductive material.

As shown in FIG. 4 , in the present invention, the centerlines of the plurality of heating modules are overlapped, the plurality of heating modules are sleeved together, the plurality of heating modules are abutted against each other through the lateral fixing plates 225 , and the heating wires 227 of different heating modules have a space between them. The gap can effectively prevent the heating wire 227 from melting the insulating layer of the adjacent heating wire 227 due to the excessively high temperature during operation, thereby improving the service life of the heating module.

The series of detailed descriptions listed above are only specific descriptions for the feasible embodiments of the present invention, and they are not used to limit the protection scope of the present invention. Changes should all be included within the protection scope of the present invention.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (7)

1. A heating wire seat is characterized by comprising a seat body and a heating wire assembly embedded in the seat body, wherein the heating wire assembly comprises a plate body, a heating wire module and a heat insulation layer, the heat insulation layer is fixedly arranged on the lower surface of the plate body, a cavity with an upper opening is formed in the seat body, the heating wire module is fixedly arranged in the cavity, the heat insulation layer is in contact with the cavity bottom of the cavity, and a decorative surface layer is arranged at the upper opening of the cavity;

the electric heating wire module heats the seat body and the decorative surface layer after being electrified, the decorative surface layer is provided with a pressure sensor, the pressure sensor is electrically connected with a processor for electric connection, the processor is electrically connected with a controller, the controller is electrically connected with the electric heating wire module, and the controller controls the working condition of the electric heating wire module;

the pressure sensor detects whether a person sits on the seat body and outputs a detection signal to the processor,

if the pressure sensor outputs no signal to the processor for a long time, the processor controls the controller to cut off the power supply of the electric heating wire module;

if the pressure sensor outputs no signal to the processor for a long time, the processor cuts off the power supply circuit of the electric heating wire module at the main power supply.

2. The heating wire seat of claim 1, wherein an equipotential wire is laid under the surrounding ground of the seat body, and an exposed portion of the equipotential wire is electrically connected to the heating wire module.

3. The electrically heated wire seat according to claim 2, wherein the buried depth of the equipotential lines is greater than 0.8 m.

4. The seat with heating wire according to claim 1, wherein a plurality of heating wire modules are fixed on the plate body;

each heating wire module comprises a live wire, a zero line, a positive input fixing piece, a negative output fixing piece, a plurality of lateral fixing plates, a connecting fixing piece and a heating wire, wherein the live wire and the zero line and the positive input fixing piece and the negative output fixing piece form a frame shape together;

the lateral fixing plates are respectively used for fixing the heating wires, the connecting fixing piece is positioned at the intersection of the positive input fixing piece and the lateral fixing plate, and the negative output fixing piece and the lateral fixing plate, the connecting fixing piece is used for fixedly connecting the positive input fixing piece with one lateral fixing plate, and the connecting fixing piece is used for fixedly connecting the negative output fixing piece with the other lateral fixing plate;

the heating wires are fixed between the live wire and the zero wire, and the live wire, the zero wire and the heating wires form a heating loop.

5. The electrically heated wire chair as claimed in claim 4, wherein the positive and negative fixing members are square plates having an interlayer, a gap is formed between the interlayers, a part of the live wire is embedded in the interlayer of the positive fixing member, a part of the zero wire is embedded in the interlayer of the negative fixing member, the positive and negative fixing members are connected with the negative power terminal and the positive power terminal, the positive fixing member, the negative output fixing member, the negative power terminal, the positive power terminal, the live wire and the zero wire are closed into a frame, and the current flows through the positive power terminal, the live wire, the positive power terminal, the electrically heated wire, the negative power terminal, the zero wire and the negative power terminal in sequence.

6. The heating wire seat of claim 4, wherein a plurality of heating wire modules are arranged in parallel.

7. The heating wire seat as claimed in claim 4 or 6, wherein each heating wire module is composed of a plurality of heating wires, which are sequentially connected end to end and distributed in a serpentine shape on the plate body.

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