Water boiling equipment

Abstract

The utility model discloses a water boiling device which comprises a heating strip, a plurality of PTC heating ceramic chips connected in parallel are arranged in the heating strip, and an electric wire connected with the PTC heating ceramic chips is led out from one end of the heating strip and arranged in a sealed mode. The first plug is connected with one end of the heating strip, from which the wire is not led out; the second plug is connected with one end, where the electric wire is led out, of the heating strip, and the electric wire penetrates through the second plug and is led out from the other end of the second plug; the PTC heating ceramic pieces are arranged in the heating strips, heating is carried out through the PTC heating ceramic pieces, dry burning is avoided, and using is safer.

Description

TECHNICAL FIELD

[0001] The utility model relates to heating equipment technical field, specifically to a water heating equipment. BACKGROUND

[0002] A kind of electric heater for boiling water commonly used in life, commonly known as "quickly hot", mainly by heating wire, heat pipe, bottle plug and electric wire, plug composition.Power on, resistance wire generates heat, heat is transferred to liquid, to realize heating.

[0003] For using resistance wire to release heat, therefore, for example, if improper use is easy to form security risk, for example, the amount of heated water is less, heater is dry burning after exposing water surface, easy to cause fire. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the above-mentioned deficiencies in prior art, the utility model provides a water heating equipment.

[0005] In order to realize the above-mentioned technical effect, the utility model adopts the following scheme:

[0006] A kind of water heating equipment, including heating strip, the heating strip is equipped with several PTC heating ceramic pieces in parallel, the electric wire connected with the PTC heating ceramic piece is led out from one end of heating strip and is sealedly arranged, the plug connected at the end of the electric wire;

[0007] First plug, with the end of the heating strip not leading out electric wire is connected sealingly connected;

[0008] Second plug, with the end of the heating strip leading out electric wire is sealingly connected, the electric wire passes through second plug and is arranged from the other end of second plug.

[0009] Preferred technical scheme, the heating strip includes long strip-shaped aluminum pipe, the both ends of the aluminum pipe are through setting, the aluminum pipe is equipped with two electrode pieces, several PTC heating ceramic pieces are sequentially arranged and clamped between two electrode pieces according to the length direction of electrode piece, the electric wire includes fire wire and zero line, the fire wire and zero line are electrically connected with two electrode pieces respectively, the aluminum pipe is equipped with a layer of insulating film layer covering two electrode pieces and several PTC heating ceramic pieces, the both ends of the aluminum pipe are sealed and plugged by insulating silica gel.

[0010] Preferred technical scheme, first socket matched with heating strip is formed on the first plug, second socket matched with heating strip is formed on the second plug, and both ends of the heating strip are inserted into the first socket and the second socket respectively.

[0011] Preferred technical scheme, the first plug and the second plug are fixed on both ends of the heating strip by injection molding.

[0012] Preferably, a temperature controller is further sealed in the second plug, a temperature sensor electrically connected with the temperature controller is arranged on the surface of the second plug, and the electric wire is connected with the temperature controller.

[0013] Preferably, a protective tube shell is fixedly connected between the first plug and the second plug, the protective tube shell is arranged on the outer side of the heating strip, and a plurality of water-permeable holes are arranged on the protective tube shell.

[0014] Compared with the prior art, the beneficial effects are:

[0015] The PTC heating ceramic sheet is arranged in the heating strip, heating is performed through the PTC heating ceramic sheet, dry burning is avoided, and use is safer. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the utility model.

[0017] Figure 2 is a partial structural schematic view of the utility model.

[0018] Figure 3 is a structural schematic view of the heating strip in the utility model.

[0019] Figure 4 is a cross-sectional schematic view of the heating strip in the utility model.

[0020] Reference signs: 1, protective tube shell; 2, first plug; 3, second plug; 4, water-permeable hole; 5, electric wire; 6, temperature sensor; 7, heating strip; 8, insulating silica gel; 9, aluminum pipe; 10, PTC heating ceramic sheet; 11, electrode sheet; 12, insulating film layer. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0022] A water boiling device comprises a heating strip 7, a plurality of parallel PTC heating ceramic sheets 10 are arranged in the heating strip 7, an electric wire 5 connected with the PTC heating ceramic sheets 10 is led out from one end of the heating strip 7 and is sealed, and a plug is connected to the end of the electric wire 5.

[0023] The first plug 2 is connected with the end of the heating strip 7 from which the electric wire 5 is not led out.

[0024] The second plug 3 is connected with the end of the heating strip 7 from which the electric wire 5 is led out, the electric wire 5 passes through the second plug 3 and is led out from the other end of the second plug 3.

[0025] The protection tube 1 is fixedly connected with the first plug 2 and the second plug 3 at two ends respectively, the heating strip 7 is arranged in the protection tube 1, and a plurality of water permeable holes 4 are formed in the protection tube 1.

[0026] The first plug 2, the second plug 3 and the protection tube 1 form a support framework for mounting the heating strip 7, and the heating strip 7 is arranged in the protection tube 1 and can be protected by the protection tube 1, so that the heating strip 7 is prevented from being damaged by collision, and the water permeable holes 4 enable water to enter the protection tube 1 and contact the heating strip 7 to heat.

[0027] The PTC heating ceramic sheet 10 is arranged in the heating strip 7, and the heating is performed by the PTC heating ceramic sheet 10, so that dry burning is prevented, and the use is safer.

[0028] The water permeable holes 4 are densely arranged on the protection tube 1, the efficiency of heat transfer out of the protection tube 1 is improved, a heat insulation paint layer is arranged on the outer surface of the protection tube 1, the surface temperature of the protection tube 1 is prevented from being too high, and therefore the probability of scalding by the surface of the water heating equipment when the water heating equipment is taken out after heating is reduced.

[0029] In the preferred technical solution, the heating strip 7 comprises an aluminum pipe 9 in a strip shape, the aluminum pipe 9 is provided with through holes at two ends, two electrode sheets 11 are arranged in the aluminum pipe 9, a plurality of PTC heating ceramic sheets 10 are arranged in the length direction of the electrode sheets 11 and are clamped between the two electrode sheets 11, the electric wire 5 comprises a live wire and a zero wire, the live wire and the zero wire are electrically connected with the two electrode sheets 11 respectively, the aluminum pipe 9 is provided with an insulating film layer 12 covering the two electrode sheets 11 and the plurality of PTC heating ceramic sheets 10, and the two ends of the aluminum pipe 9 are plugged by the insulating silica gel 8.

[0030] The electrode sheets 11 are electrically connected with the electric wire 5, the insulating silica gel 8 and the insulating film layer 12 jointly wrap the electrode sheets 11 and the plurality of PTC heating ceramic sheets 10, so that electric leakage is avoided and the sealing and waterproof setting are performed.

[0031] In the preferred technical solution, the first plug 2 is provided with a first socket matched with the heating strip 7, the second plug 3 is provided with a second socket matched with the heating strip 7, and the two ends of the heating strip 7 are inserted into the first socket and the second socket respectively.

[0032] In the preferred technical solution, the first plug 2 and the second plug 3 are fixed on the two ends of the heating strip 7 by injection molding.

[0033] Preferably, the second plug 33 is further sealed with a temperature controller, the temperature controller is filled with heat-conducting glue for sealing, the surface of the second plug 33 is provided with a temperature sensor 6 connected with the temperature controller, and the electric wire 55 is connected with the temperature controller.

[0034] The temperature sensor 6 senses the water temperature, and when the water temperature reaches the temperature set by the temperature controller, power supply is cut off, and heating is stopped.

[0035] In the description of the utility model, it is understood that the terms "upper", "lower", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, or the orientation or positional relationship commonly understood by those skilled in the art, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0036] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0037] Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

Claims

1. A water heating device, characterized in that, It includes a heating strip (7), which has a plurality of parallel PTC heating ceramic plates (10) inside. The wire (5) connected to the PTC heating ceramic plate (10) is led out from one end of the heating strip (7) and sealed. The end of the wire (5) is connected to a plug. The first plug (2) is sealed to the end of the heating strip (7) where the wire (5) is not led out; The second plug (3) is sealed to one end of the lead wire (5) of the heating strip (7), and the lead wire (5) passes through the second plug (3) and is led out from the other end of the second plug (3).

2. The water heating device as described in claim 1, characterized in that, The heating strip (7) includes a long aluminum tube (9) with both ends of the aluminum tube (9) connected through it. Two electrode plates (11) are provided inside the aluminum tube (9). Several PTC heating ceramic plates (10) are arranged in sequence at intervals along the length of the electrode plates (11) and sandwiched between the two electrode plates (11). The wire (5) includes a live wire and a neutral wire. The live wire and the neutral wire are electrically connected to the two electrode plates (11) respectively. An insulating film layer (12) is provided inside the aluminum tube (9) to cover the two electrode plates (11) and several PTC heating ceramic plates (10). Both ends of the aluminum tube (9) are sealed by insulating silicone (8).

3. The water heating device as described in claim 1, characterized in that, The first plug (2) has a first socket that matches the heating strip (7), and the second plug (3) has a second socket that matches the heating strip (7). The two ends of the heating strip (7) are respectively inserted into the first socket and the second socket.

4. The water heating device as described in claim 1, characterized in that, Both the first plug (2) and the second plug (3) are fixed to both ends of the heating strip (7) by injection molding.

5. The water heating device as described in claim 1, characterized in that, The second plug (3) is also sealed with a thermostat. The surface of the second plug (3) is provided with a temperature sensor (6) that is electrically connected to the thermostat. The wire (5) is connected to the thermostat.

6. The water heating device as described in claim 1, characterized in that, A protective tube shell (1) is fixedly connected between the first plug (2) and the second plug (3). The protective tube shell (1) is sleeved on the outside of the heating strip (7). Several water-permeable holes (4) are opened on the protective tube shell (1).

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