CN219432656U

CN219432656U - Antifreezing water pipe

Info

Publication number: CN219432656U
Application number: CN202320876626.3U
Authority: CN
Inventors: 高云方; 於贻华; 王勇豪
Original assignee: Zhejiang Fengyuan New Material Technology Co ltd
Current assignee: Zhejiang Fengyuan New Material Technology Co ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-07-28
Anticipated expiration: 2033-04-14

Abstract

The utility model belongs to the technical field of water delivery equipment, and relates to an antifreezing water pipe, wherein more than two heating wires are buried in the water pipe, the heating wires are arranged at intervals along the axial direction of the water pipe, one end of each heating wire is electrically connected with a temperature control switch, the temperature control switch is arranged outside the water pipe and fixed on the outer wall of the water pipe, the other end of each heating wire is electrically connected with a power plug, and the heating wires, the temperature control switches and the power plugs form a loop. The anti-freezing water pipe provided by the utility model has the advantages of simple structure, good anti-freezing effect, energy conservation and high efficiency.

Description

Antifreezing water pipe

Technical Field

The utility model belongs to the technical field of water delivery equipment, and relates to an antifreezing water pipe.

Background

In winter or cold areas, when the temperature is low enough, outdoor water delivery pipes often have the risk of icing, and water in the water delivery pipes is frozen to influence water delivery and also cause equipment faults such as pipe explosion. In order to prevent water in the water delivery pipe from icing, a thick heat-insulating layer is often coated on the outer sleeve of the water delivery pipe, and the heat-insulating layer not only causes the water delivery pipe to become bulked, but also has poor heat-insulating effect.

To solve this technical problem, chinese patent application CN 114893638A discloses an antifreeze water pipe having a water supply pipe, the outside of which is provided with a resistance wire for heating. The utility model has the defects that the heating wire is arranged outside the water supply pipe, the heating effect is poor, in addition, the resistance wire heating is controlled by the main switch, and the resistance wire heating cannot be timely opened or closed due to the large difference between the temperature of the conveying pipe and the outdoor temperature.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an anti-freezing water pipe which has the advantages of simple structure, good anti-freezing effect, energy conservation and high efficiency.

In order to solve the technical problems, the aim of the utility model is realized by the following technical scheme:

the utility model provides an antifreezing water pipe, the heating wire more than two has been buried in the water pipe, the axial interval setting of heating wire along the water pipe, the one end electricity of heating wire is connected with temperature control switch, temperature control switch sets up in the water pipe outside and is fixed in on the outer wall of water pipe, the other end electricity of heating wire is connected with power plug, heating wire, temperature control switch and power plug form a return circuit.

In the above-mentioned anti-freezing water pipe, one end of the heating wire is electrically connected with the temperature control switch through a first cable, the first cable extends out of the water pipe, the other end of the heating wire is electrically connected with the power plug through a second cable, and the second cable extends out of the water pipe.

In the above-mentioned antifreeze water pipe, the temperature control switch is fixed outside the water pipe by a fixing hoop or fixed outside the water pipe by an adhesive mode.

In the anti-freezing water pipe, an insulating sleeve is sleeved outside the heating wire.

In the anti-freezing water pipe, one end of the water pipe is sleeved with the first sleeve, the other end of the water pipe is provided with the second sleeve, the connection part of the electric heating wire and the first cable is arranged in the first sleeve, and the connection part of the electric heating wire and the second cable is arranged in the second sleeve.

In the anti-freezing water pipe, the closing temperature of the temperature control switch is 3 ℃, and the opening temperature is 4 ℃.

In the anti-freezing water pipe, the water pipe is a three-layer pipe and comprises a PVC outer layer, a fabric reinforcing layer and a PVC inner layer, and the electric heating wire is arranged on the PVC inner layer.

In the anti-freezing water pipe, the water pipe is a four-layer pipe and comprises a PVC outer layer, a fabric reinforcing layer, a PVC middle layer and a PVC inner layer, and the electric heating wire is arranged in the PVC middle layer.

In the anti-freezing water pipe, one end of the water pipe is provided with the water inlet interface, the other end of the water pipe is provided with the water outlet interface, and the water inlet interface and/or the water outlet interface are/is provided with the control valve.

In the above-mentioned antifreeze water pipe, a grounding wire electrically connected with the power plug protection grounding wire and contacting with the metal interface is arranged in the water pipe.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides an antifreezing water pipe, which is characterized in that a heating circuit is controlled by a temperature control switch arranged outside the antifreezing water pipe, so that the temperature of the water pipe can be accurately sensed, when the temperature is reduced to a set temperature, a heating wire can be timely opened for heating, and when the temperature is increased to the set temperature, the heating wire can be timely closed for heating. By embedding the heating wire axially in the water pipe, a better heating effect can be obtained. The anti-freezing water pipe provided by the utility model has the advantages of simple structure, good anti-freezing effect, energy conservation and high efficiency.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic structural diagram of an electric heating wire according to a first embodiment of the present utility model;

fig. 3 is a schematic structural diagram of an electric heating wire in a second embodiment of the present utility model;

reference numerals: 1. a water pipe; 2. heating wires; 3. a temperature control switch; 4. a power plug; 5. a first cable wire; 6. a second cable line; 7. a first sleeve; 8. a second sleeve; 9. a PVC outer layer; 10. a fabric reinforcing layer; 11. a PVC inner layer; 12. a PVC middle layer; 13. a water inlet port; 14. and a water outlet interface.

Detailed Description

The utility model is further described in the following embodiments with reference to the figures, see fig. 1-3:

the utility model provides a water pipe 1 prevents frostbite, the heating wire 2 more than two have been buried in the water pipe 1, heating wire 2 sets up along the axial interval of water pipe 1, the one end electricity of heating wire 2 is connected with temperature control switch 3, temperature control switch 3 sets up in the water pipe 1 outside and is fixed in on the outer wall of water pipe 1, the other end electricity of heating wire 2 is connected with power plug 4, heating wire 2, temperature control switch 3 and power plug 4 form a return circuit.

When the electric heating device works, the power plug 4 is plugged in to form a loop of the power plug 4, the first electric heating wire 2, the temperature control switch 3 and the second electric heating wire 2, when the temperature control switch 3 senses that the temperature outside the water pipe 1 is reduced to the opening set temperature, the loop is closed, the electric heating wire 2 starts to heat, when the temperature control switch 3 senses that the temperature outside the water pipe 1 is increased to the closing set temperature, the loop is opened, and the electric heating wire 2 stops heating.

Referring to fig. 1, one end of the heating wire 2 is electrically connected with the temperature control switch 3 through a first cable 5, the first cable 5 extends out of the water pipe 1, the other end of the heating wire 2 is electrically connected with the power plug 4 through a second cable 6, and the second cable 6 extends out of the water pipe 1.

In order to stably fix the temperature control switch 3 outside the water pipe 1, the temperature control switch 3 is fixed outside the water pipe 1 by a fixing hoop or fixed outside the water pipe 1 by an adhesive mode.

In order to ensure safety and prevent leakage accidents, an insulating sleeve is sleeved outside the heating wire 2.

In order to protect the connection part of the electric heating wire 2 and the first cable 5 and the second cable 6, one end of the water pipe 1 is sleeved with a first sleeve 7, the other end of the water pipe 1 is provided with a second sleeve 8, the connection part of the electric heating wire 2 and the first cable 5 is arranged in the first sleeve 7, and the connection part of the electric heating wire 2 and the second cable 6 is positioned in the second sleeve 8.

The temperature control switch 3 is closed at 3 ℃ and opened at 4 ℃, when the temperature control switch 3 senses that the temperature outside the water pipe 1 is reduced to 3 ℃, the loop is closed, the heating wire 2 starts to heat, and when the temperature control switch 3 senses that the temperature outside the water pipe 1 is increased to 4 ℃, the loop is opened, and the heating wire 2 stops heating.

The antifreeze water pipe 1 structure of the present utility model can be applied to various water pipes 1, for example:

in example 1, referring to fig. 2, the water pipe 1 is a three-layer pipe, including a PVC outer layer 9, a fabric reinforcing layer 10 and a PVC inner layer 11, and the heating wire 2 is disposed on the PVC inner layer 11.

In example 2, referring to fig. 3, the water pipe 1 is a four-layer pipe, including an outer PVC layer 9, a fabric reinforcing layer 10, a middle PVC layer 12 and an inner PVC layer 11, and the heating wire 2 is disposed in the middle PVC layer 12.

In order to facilitate connection and control water delivery, one end of the water pipe 1 is provided with a water inlet port 13, the other end is provided with a water outlet port 14, and the water inlet port 13 and/or the water outlet port 14 are/is provided with a control valve.

In order to further ensure safety, a grounding wire which is electrically connected with the power plug 4 protection grounding wire and is contacted with the metal interface is arranged in the water pipe 1.

The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a water pipe prevents frostbite, its characterized in that, bury heating wire (2) more than two in water pipe (1), heating wire (2) set up along the axial interval of water pipe (1), the one end electricity of heating wire (2) is connected with temperature control switch (3), temperature control switch (3) set up in water pipe (1) outside and are fixed in on the outer wall of water pipe (1), the other end electricity of heating wire (2) is connected with power plug (4), heating wire (2), temperature control switch (3) and power plug (4) form a return circuit.

2. An antifreeze water pipe according to claim 1, characterized in that one end of the heating wire (2) is electrically connected with the temperature control switch (3) through a first cable line (5), the first cable line (5) extends out of the water pipe (1), the other end of the heating wire (2) is electrically connected with the power plug (4) through a second cable line (6), and the second cable line (6) extends out of the water pipe (1).

3. An antifreeze water pipe according to claim 2, characterized in that one end of the water pipe (1) is sleeved with a first sleeve (7), the other end is provided with a second sleeve (8), the connection part of the electric heating wire (2) and the first cable (5) is arranged in the first sleeve (7), and the connection part of the electric heating wire (2) and the second cable (6) is arranged in the second sleeve (8).

4. An antifreeze water pipe according to claim 1, characterized in that the temperature control switch (3) has a closing temperature of 3 ℃ and an opening temperature of 4 ℃.

5. An antifreeze water pipe according to claim 1, characterized in that the water pipe (1) is a three-layer pipe comprising an outer PVC layer (9), a fabric reinforcement layer (10) and an inner PVC layer (11), the heating wire (2) being arranged in the inner PVC layer (11).

6. An antifreeze water pipe according to claim 1, characterized in that the water pipe (1) is a four-layer pipe comprising an outer PVC layer (9), a fabric reinforcement layer (10), a middle PVC layer (12) and an inner PVC layer (11), the heating wire (2) being arranged in the middle PVC layer (12).

7. An antifreeze water pipe according to claim 1, characterized in that one end of the water pipe (1) is provided with a water inlet port (13) and the other end is provided with a water outlet port (14), and the water inlet port (13) and/or the water outlet port (14) are provided with control valves.