Graphene heating pad assembly of automobile seat
By using flexible conductive cloth as the electrode of the graphene heating pad, the problems of difficulty in electrode connection and risk of breakage in the existing technology are solved, the comfort and reliability of the heating pad are improved, and the effects of process simplification and cost reduction are achieved.
Patent Information
- Application Number
- CN202421038572.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-05-14
AI Technical Summary
In the prior art, copper foil or aluminum foil is difficult to connect with graphene heating pad as electrodes, the process is complicated, there is a risk of fracture, and the comfort level is insufficient.
Flexible conductive cloth is used as the electrode of the graphene heating pad. The flexible covering layer is bonded to the graphene heating pad and connected to the temperature sensor through the conductive cloth. This simplifies the connection process between the electrode and the heating pad and improves flexibility and reliability. .
The comfort and reliability of the heating pad are improved, the risk of electrode breakage is reduced, the process is simplified and the cost is reduced.
Smart Images

Figure CN222346833U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of heated seats, in particular to a graphene heating pad component for a car seat. Background Art
[0002] In the cold winter, in order to improve the driving comfort, people use the seats with built-in heating function to preheat the seats before driving or riding. At present, the heated seats used in the market mostly adopt the heating method of built-in resistance wire. In terms of heating effect, the point heating method has the problem of uneven heating area, and the resistance wire is hard, which has poor human comfort. In terms of reliability, the resistance wire has high resistance value, slow heating and high energy consumption, and the resistance wire has the disadvantages of easy breakage and low safety factor.
[0003] In order to find a material that can replace the heating resistor wire, some people try to use graphene heating film to heat the car seat. For example: Chinese patent announcement number CN205059350U discloses a graphene heated car seat, which places the graphene heating film inside the car seat. Although the graphene heated car seat overcomes some shortcomings of the resistance wire heated seat, it still has problems such as insufficient integration, poor flexibility, and the need to set up a heat insulation layer, and the comfort needs to be further improved. In particular, the electrodes of the graphene heating system are currently often made of copper foil or aluminum foil. However, there are many problems such as complex processing technology, high cost, and difficulty in connecting with the graphene heating sheet. In addition, the metal foil is not soft enough, which affects the comfort of passengers. It is difficult to achieve ideal results in the current seat import and export, kneeling and other durability tests; during use, the probability of the copper foil or aluminum foil breaking and causing the entire heating system to fail is relatively high, and there are reliability problems. Utility Model Content
[0004] To this end, the technical problem to be solved by the utility model is to overcome the problems in the prior art that copper foil or aluminum foil as an electrode is difficult to connect with the graphene heating pad, the process is complicated and there is a risk of breakage, and the comfort is insufficient, and thus provide a car seat graphene heating pad assembly, which solves the problem of difficulty in connecting the electrode and the heating pad, improves the comfort of the heating pad and reduces the risk of electrode breakage.
[0005] In order to solve the above technical problems, the utility model provides a car seat graphene heating pad assembly, comprising:
[0006] A flexible covering layer, wherein a graphene heating pad is arranged inside the flexible covering layer, the flexible covering layer covers the surface of the graphene heating pad, and the graphene heating pad is bonded to the flexible covering layer;
[0007] Conductive cloth, multiple conductive cloths are arranged in the flexible covering layer, multiple conductive cloths are electrically connected to the graphene heating pad, and multiple conductive cloths are in non-electrical contact with each other, and multiple conductive cloths respectively serve as positive electrodes and negative electrodes of the graphene heating pad.
[0008] In one embodiment of the utility model, a plurality of the conductive cloths are bonded to the flexible covering layer and the graphene heating pad.
[0009] In one embodiment of the present invention, a plurality of the conductive cloths are sewn and connected to the graphene heating pads.
[0010] In one embodiment of the present invention, a temperature sensor is further included which is arranged between the cover layer and the graphene heating pad.
[0011] In one embodiment of the present invention, the covering layer includes an upper covering layer and a lower covering layer bonded together, and the graphene heating pad, the temperature sensor and the conductive cloth are all arranged between the upper covering layer and the lower covering layer.
[0012] In one embodiment of the utility model, the edges of the upper covering layer and the lower covering layer are respectively provided with an upper extension part and a lower extension part, and the upper extension part and the lower extension part are bonded together, and a plurality of the conductive cloths extend between the upper extension part and the lower extension part, wherein the upper extension part or the lower extension part is provided with a window, and the window is encapsulated by a cover sheet.
[0013] In one embodiment of the utility model, it also includes a plurality of wires sleeved in the sleeve, one end of the plurality of wires is provided with a connecting terminal and a connector, and the other end passes through the window to be respectively connected to the temperature sensor and the plurality of conductive cloths.
[0014] In one embodiment of the present invention, the wire located in the covering layer and connected to the temperature sensor is covered with a flame-retardant non-woven fabric.
[0015] In one embodiment of the utility model, it also includes a plurality of riveted terminals, wherein the plurality of riveted terminals are respectively riveted to the wire and the graphene heating pad, and the plurality of riveted terminals are respectively riveted to the wire and the conductive cloth.
[0016] In one embodiment of the present invention, it further comprises a label and a control module connected to the sleeve, wherein the control module is electrically connected to the wire.
[0017] The above technical solution of the utility model has the following beneficial effects compared with the prior art:
[0018] The car seat graphene heating pad assembly described in the utility model comprises a plurality of conductive cloths which serve as the positive and negative electrodes of the heating pad respectively. The conductive cloths have high flexibility, which improves the softness of the heating pad and further improves the comfort of the heating pad. The process for connecting the conductive cloth and the heating pad is simple and the cost is low. The conductive cloth has high toughness and is not easy to break, which reduces the risk of failure of the heating pad and improves the anti-vibration performance of the heating pad. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein
[0020] Figure 1 This is a schematic diagram of the structure of a graphene heating pad assembly for a car seat in a preferred embodiment of the utility model.
[0021] Figure 2 for Figure 1 A schematic diagram of the structure of the connector of the car seat graphene heating pad assembly is shown.
[0022] Explanation of the reference numerals in the specification: 1. Covering layer; 11. Extension portion; 2. Sleeve; 21. Wire; 22. Control module; 23. Label; 24. Connector; 241. Connecting terminal; 242. Negative electrode terminal; 243. Positive electrode terminal; 3. Conductive cloth; 4. Graphene heating pad; 5. Cover sheet; 6. Riveted terminal; 7. Flame-retardant non-woven fabric; 8. Adhesive backing; 9. Temperature sensor. DETAILED DESCRIPTION
[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.
[0024] Example
[0025] Reference Figure 1 As shown, in one embodiment of the utility model, a car seat graphene heating pad assembly includes:
[0026] A flexible covering layer 1, wherein a graphene heating pad 4 is arranged inside the flexible covering layer 1, and the graphene heating pad 4 can generate heat after being energized, so as to increase the temperature of the seat in the vehicle; the flexible covering layer 1 covers the surface of the graphene heating pad 4, and the graphene heating pad 4 is bonded to the flexible covering layer 1, specifically through a backing adhesive 8, and the backing adhesive 8 can make the flexible covering layer 1 and the graphene heating pad 4 fully contact, reduce the gap between the two, and improve the thermal conductivity; the flexible covering layer 1 is used to protect the graphene heating pad 4 inside the flexible covering layer 1 and provide a comfortable touch, and the covering layer 1 is preferably a non-woven fabric;
[0027] The conductive cloth 3 is a cloth with conductive properties. It is usually woven from conductive fibers (such as metal fibers, carbon fibers, etc.) or coated with a conductive coating on ordinary cloth. It has a soft touch and no foreign body feeling. In this embodiment, two of the conductive cloths 3 are arranged in the flexible covering layer 1. The two conductive cloths 3 are electrically connected to the graphene heating pad 4 and serve as conductive electrodes of the graphene heating pad 4 respectively. In order to avoid short circuit and non-electrical contact between the two conductive cloths 3, the two conductive cloths 3 serve as the positive electrode and negative electrode of the graphene heating pad 4 and are respectively connected to the positive and negative electrodes of the power supply during operation.
[0028] In one embodiment of the present invention, referring to Figure 1 As shown, in order to improve the stability of the conductive cloth 3 and prevent the conductive cloth 3 from shaking, the two conductive cloths 3 are bonded to the flexible covering layer 1 and the graphene heating pad 4, specifically, by means of adhesive 8.
[0029] In one embodiment of the present invention, referring to Figure 1 As shown, the two conductive cloths 3 can be directly sewn and connected to the graphene heating pad 4, which has a simple process and low cost.
[0030] In one embodiment of the present invention, referring to Figure 1 As shown, in order to check the temperature of the heating pad and timely feedback the current temperature of the heating pad, a temperature sensor 9 is also included between the cover layer 1 and the graphene heating pad 4, and the temperature sensor 9 is set as a thermistor temperature sensor.
[0031] In one embodiment of the present invention, referring to Figure 1 As shown, in order to facilitate the disassembly and maintenance of the graphene heating pad 4, the covering layer 1 includes a bonded upper covering layer and a lower covering layer, and the graphene heating pad 4, the temperature sensor 9 and the conductive cloth 3 are all arranged between the upper covering layer and the lower covering layer and are covered by the upper covering layer and the lower covering layer.
[0032] In one embodiment of the utility model, in order to avoid the connection between the wire 21 and the conductive cloth 3 and facilitate crimping of the connecting terminal of the wire 21, the edges of the upper covering layer and the lower covering layer are respectively provided with an upper extension part 11 and a lower extension part 11, and the upper extension part 11 and the lower extension part 11 are bonded, and the two conductive cloths 3 extend between the upper extension part 11 and the lower extension part 11, wherein the upper extension part 11 or the lower extension part 11 is provided with a window, and the wire 21 passes through the window directly into the interior of the covering layer 1 and is connected to the conductive cloth 3 located between the upper extension part 11 and the lower extension part 11, and finally the window is encapsulated by the cover sheet 5.
[0033] In one embodiment of the present invention, referring to Figure 1 and 2 As shown, it also includes a plurality of wires 21 sleeved in the sleeve 2, one end of the plurality of wires 21 is provided with a connecting terminal 241 and a connector 24, and the other end is also provided with a connecting terminal and passes through the window to connect the temperature sensor 9 and the two conductive cloths 3 respectively; the connector 24 is provided with a positive terminal 243 and a negative terminal 242.
[0034] In one embodiment of the present invention, referring to Figure 1 As shown, the wire 21 located in the covering layer 1 and connected to the temperature sensor 9 is covered with a flame retardant non-woven fabric 7, the purpose of which is to prevent the wire 21 from contacting the conductive fabric 3 and causing a short circuit, and also to prevent flame retardancy and improve the comfort of the heating pad.
[0035] In one embodiment of the present invention, referring to Figure 1 As shown, in order to prevent the wire 21 from shaking and improve the stability of the wire 21, a plurality of riveting terminals 6 are also included, and the plurality of riveting terminals 6 are respectively used to rivet the wire 21 and the graphene heating pad 4, and are respectively used to rivet the wire 21 and the conductive cloth 3.
[0036] In one embodiment of the present invention, referring to Figure 1 As shown, it also includes a label 23 and a control module 22 connected to the sleeve 2, the label 23 is used for classification and quick identification, wherein the control module 22 is electrically connected to the wire 21, and the control module 22 is used to set the heating temperature of the heating pad and control the conduction or cutting off of power.
[0037] In one embodiment of the utility model, a semiconductor refrigeration material may also be provided in the cover layer 1, and the semiconductor refrigeration material and graphene are combined to be used for cooling, refrigerating and heating the car seat.
[0038] The working principle of the car seat graphene heating pad assembly described in the utility model is:
[0039] Two conductive cloths 3 are sewn and connected to the graphene heating pad 4 as a positive conductive electrode and a negative conductive electrode respectively. The connecting terminals of the wire 21 are riveted to the two conductive cloths 3 respectively. The connector 24 is plugged into the power supply before heating. The passenger sets the heating temperature of the heating pad through the control module 22 and controls the wire 21 to start heating. The heat generated by the heating pad is transferred to the covering layer 1, causing the seat to heat up. During the heating process, the temperature sensor 9 detects the temperature of the heating pad and promptly feeds back to the passenger so that the passenger can adjust the temperature of the heating pad in time according to the temperature sensor 9. Finally, the power supply is cut off through the control module 22 to complete the heating.
[0040] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.
Claims
1. A car seat graphene heating pad assembly, characterized in that: include, A flexible covering layer, wherein a graphene heating pad is arranged inside the flexible covering layer, the flexible covering layer covers the surface of the graphene heating pad, and the graphene heating pad is bonded to the flexible covering layer; Conductive cloth, multiple conductive cloths are arranged in the flexible covering layer, multiple conductive cloths are electrically connected to the graphene heating pad, and multiple conductive cloths are in non-electrical contact with each other, and multiple conductive cloths respectively serve as positive electrodes and negative electrodes of the graphene heating pad.
2. A car seat graphene heating pad assembly according to claim 1, characterized in that: And the plurality of conductive cloths are bonded to the flexible covering layer and the graphene heating pad.
3. A car seat graphene heating pad assembly according to claim 1, characterized in that: A plurality of the conductive fabrics are sewn and connected to the graphene heating pads.
4. A car seat graphene heating pad assembly according to claim 1, characterized in that: Also included is a temperature sensor disposed between the cover layer and the graphene heating pad.
5. A car seat graphene heating pad assembly according to claim 4, characterized in that: The covering layer includes an upper covering layer and a lower covering layer which are bonded together, and the graphene heating pad, the temperature sensor and the conductive cloth are all arranged between the upper covering layer and the lower covering layer.
6. A car seat graphene heating pad assembly according to claim 5, characterized in that: The edges of the upper covering layer and the lower covering layer are respectively provided with an upper extension part and a lower extension part, and the upper extension part and the lower extension part are bonded together, and a plurality of the conductive cloths extend between the upper extension part and the lower extension part, wherein the upper extension part or the lower extension part is provided with a window, and the window is encapsulated by a cover sheet.
7. A car seat graphene heating pad assembly according to claim 6, characterized in that: It also includes a plurality of wires sleeved in the sleeve, one end of the plurality of wires is provided with a connecting terminal and a connector, and the other end passes through the window and is respectively connected to the temperature sensor and the plurality of conductive cloths.
8. The automotive seat graphene heating pad assembly according to claim 7, characterized in that: The wire located in the covering layer and connected to the temperature sensor is covered with a flame-retardant non-woven fabric.
9. The automotive seat graphene heating pad assembly according to claim 7, characterized in that: It also includes a plurality of riveted terminals, which are respectively riveted to the wires and the graphene heating pads.
10. The automotive seat graphene heating pad assembly according to claim 7, characterized in that: It also includes a tag and a control module connected to the sleeve, wherein the control module is electrically connected to the wire.