Electric warmer heating connector and electric warmer

Abstract

The utility model relates to an electric warmer heating connector and an electric warmer, a PVC (polyvinyl chloride) control shell (2) is connected with a resistance heating tube (1) through a connecting lead (21), the connecting lead (21) extends out of a penetrating column body (22) of the PVC control shell (2) and is connected with the end part of the resistance heating tube (1), and the end part of the resistance heating tube (1) and the penetrating column body (22) are aligned and connected and are wrapped and wound tightly through a silica gel sealing tube (3). The silica gel sealing tube not only changes the traditional mode that epoxy resin is needed to seal the wire and the heating tube in a complicated mode, but also enables the wire not to be located in heat conduction liquid, and therefore the silica gel sealing tube is simple in manufacturing process and longer in service life.

Description

Technical Field

[0001] The utility model relates to the field of electric heaters, in particular to an electric heater heating connector and an electric heater. Background Art

[0002] The electric warmers on the market have novel appearance, large heat storage capacity, long heat preservation time, reasonable structural characteristics, and are easy to use. They are ideal products for warming hands and feet in winter.

[0003] However, the shell of the existing electric heater is connected to the resistance heating tube by a wire, the connection between the wire and the resistance heating tube is sealed with epoxy resin and the wire is immersed in water. The above sealing method not only has a complicated sealing process, but also the wire is easily aged due to being immersed in water for a long time, which affects the service life of the electric heater. Utility Model Content

[0004] The utility model designs an electric heater connector, which solves the technical problem that the sealing method of the connection between the wire and the resistance heating tube in the existing electric heater not only has a complicated sealing process, but also the wire is easily aged when immersed in water for a long time, which affects the service life of the electric heater.

[0005] In order to solve the above-mentioned technical problems, the utility model adopts the following solutions:

[0006] A heating connector for an electric heater, characterized in that a PVC control shell is connected to a resistance heating tube through a connecting wire, the connecting wire extends from a through-column body of the PVC control shell and is connected to the end of the resistance heating tube, the end of the resistance heating tube is aligned and connected to the through-column body and the two are wrapped and tightly wrapped by a silicone sealing tube.

[0007] Preferably, the end of the heating tube is a heat-insulating end to prevent the heat generated by the resistance heating tube from affecting the silicone sealing tube.

[0008] Preferably, there are two connecting wires, which are respectively connected to the positive and negative electrodes of the resistance heating tube.

[0009] Preferably, it also includes a bracket, which includes a hollow supporting part, and a resistance heating tube is inside the hollow supporting part to prevent the resistance heating tube from directly contacting the fabric of the electric heater.

[0010] Preferably, the hollow support portion is made of flame-retardant PC / ABS alloy.

[0011] Preferably, the bracket further comprises a clamping tube, and the clamping tube clamps the silicone sealing tube.

[0012] Preferably, a power supply, a temperature controller and a thermal protector are provided in the PVC control housing. The temperature controller is connected between the resistance heating tube and the power supply, and the thermal protector is connected between the resistance heating tube and the power supply.

[0013] An electric heater comprises the above-mentioned electric heater heating connector.

[0014] Preferably, the PVC control housing is connected to the fabric mounting opening of the electric heater.

[0015] Compared with the prior art, the electric heater connector has the following beneficial effects:

[0016] The silicone sealing tube of the utility model not only changes the traditional complicated sealing method of the wire and the heating tube with epoxy resin, but also makes the wire no longer be located in the heat-conducting liquid, so the manufacturing process is simple and the service life is longer. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 : A schematic diagram of the structure of the heating connector of the electric heater of the utility model;

[0018] Figure 2 : Schematic diagram of the use status of the heating connector of the electric heater of the utility model;

[0019] Figure 3 : Schematic diagram of the connection of electrical components inside the PVC control housing in the utility model.

[0020] Description of reference numerals:

[0021] 1—resistance heating tube; 11—insulation end; 2—PVC control housing; 21—connecting wire; 22—through column; 3—silicone sealing tube; 4—bracket; 41—clamping tube. DETAILED DESCRIPTION

[0022] Combine the following Figures 1 to 3 , the utility model is further described:

[0023] like Figure 1 As shown, a heating connector for an electric heater, a PVC control shell 2 is connected to the fabric installation port of the electric heater, the PVC control shell 2 is connected to the resistance heating tube 1 through a connecting wire 21, the connecting wire 21 extends from a through-column 22 of the PVC control shell 2 and is connected to the end of the resistance heating tube 1, the end of the resistance heating tube 1 is aligned and connected with the through-column 22 and the two are wrapped and tightly wrapped by a silicone sealing tube 3.

[0024] The end of the heating tube 1 is a heat-insulating end, so as to prevent the heat generated by the resistance heating tube 1 from affecting the silicone sealing tube 3 .

[0025] There are two connecting wires 21 , which are respectively connected to the positive and negative electrodes of the resistance heating tube 1 .

[0026] like Figure 2As shown, it also includes a bracket 4, which includes a hollow supporting part, and the hollow supporting part contains a resistance heating tube 1 to prevent the resistance heating tube 1 from directly contacting the fabric of the electric heater.

[0027] The hollow support part is made of flame retardant PC / ABS alloy. The bracket 4 also includes a clamping tube 41 , which clamps the silicone sealing tube 3 .

[0028] like Figure 3 As shown, a power supply, a temperature controller and a thermal protector are arranged in the PVC control housing 2. The temperature controller is connected between the resistance heating tube and the power supply, and the thermal protector is connected between the resistance heating tube and the power supply.

[0029] There is a thermostat in the PVC control housing 2, which can monitor the temperature of the electric heater liquid in real time. When the thermostat detects that the temperature of the electric heater liquid exceeds 70°C, it automatically disconnects the power supply.

[0030] For further safety, a thermal protector is also provided. When the temperature of the liquid in the electric heater exceeds 95°C, the circuit breaker will fuse and cut off the power supply. The thermostat and thermal protector work together to achieve double protection.

[0031] The above exemplary description of the utility model is combined with the accompanying drawings. Obviously, the implementation of the utility model is not limited to the above-mentioned methods. As long as various improvements are made by adopting the method concept and technical solution of the utility model, or the concept and technical solution of the utility model are directly applied to other occasions without improvement, they are all within the protection scope of the utility model. The concept and technical solution of the utility model are directly applied to other occasions, which are all within the protection scope of the utility model.

Claims

1. An electric heater connector, characterized in that: The PVC control housing (2) is connected to the resistance heating tube (1) via a connecting wire (21). The connecting wire (21) extends from a through-column (22) of the PVC control housing (2) and is connected to an end of the resistance heating tube (1). The end of the resistance heating tube (1) is aligned with the through-column (22) and connected, and the two are wrapped and tightly wrapped by a silicone sealing tube (3).

2. The electric heater connector according to claim 1, characterized in that: The end of the heating tube (1) is a heat-insulating end, so as to prevent the heat generated by the resistance heating tube (1) from affecting the silicone sealing tube (3).

3. The electric heater connector according to claim 2, characterized in that: There are two connecting wires (21), which are respectively connected to the positive and negative electrodes of the resistance heating tube (1).

4. The electric heater connector according to claim 1, characterized in that: It also comprises a bracket (4), the bracket (4) comprising a hollow support portion, the hollow support portion containing a resistance heating tube (1), so as to prevent the resistance heating tube (1) from directly contacting the fabric of the electric heater.

5. The electric heater connector according to claim 4, characterized in that: The hollow support part is made of flame-retardant PC / ABS alloy.

6. The electric heater connector according to claim 4 or 5, characterized in that: The bracket (4) further comprises a clamping tube (41), wherein the clamping tube (41) clamps the silicone sealing tube (3).

7. The electric heater connector according to claim 6, characterized in that: A power supply, a temperature controller and a thermal protector are arranged in the PVC control housing (2); the temperature controller is connected between the resistance heating tube and the power supply; and the thermal protector is connected between the resistance heating tube and the power supply.

8. An electric heater, characterized in that: The invention comprises the electric heater heating connector as described in any one of claims 1 to 7.

9. The electric heater according to claim 8, characterized in that: The PVC control housing (2) is connected to the fabric mounting opening of the electric heater.

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