Pipeline anti-freezing device for outdoor water heater
By installing electric heating wires and insulation components on the water pipes of solar water heaters and equipped with a temperature control mechanism, the problem of frozen cracking of water pipes in winter under insufficient sunlight is solved, effective anti-freeze effect is achieved, and the reliability and service life of the equipment are improved.
Patent Information
- Application Number
- CN202420924213.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-04-30
AI Technical Summary
In winter when there is insufficient sunshine, the water pipes of solar water heaters are prone to freeze and crack. The existing antifreeze devices accumulate insufficient heat in the conditions of lack of sunlight, which cannot effectively prevent freeze and crack.
A pipe antifreeze device for outdoor water heaters is designed. By installing an electric heating wire in the heating pipe, equipped with a heat insulation component and a waterproof membrane, the heating wire is automatically controlled by a temperature control mechanism to ensure that the pipe remains heated under low temperature conditions and prevent freezing and cracking.
It effectively prevents the water pipes of solar water heaters from freezing and cracking, improves the reliability and safety of use in winter under insufficient sunlight, and extends the service life of the equipment.
Smart Images

Figure CN222598066U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of water heaters, in particular to a pipeline antifreeze device for an outdoor water heater. Background Art
[0002] Solar water heaters are heating devices that convert sunlight into heat energy, heating water from low temperature to high temperature to meet people's hot water needs in life and production. Solar water heaters are divided into vacuum tube solar water heaters and flat plate solar water heaters according to their structural form, with vacuum tube solar water heaters being the main type. However, when used in winter, the water pipes of solar water heaters are often frozen and cracked, affecting their use.
[0003] An antifreeze device for a solar water heater disclosed in publication number CN207350935U has a simple structure and principle, and can effectively prevent the upper and lower water pipes of the solar water heater from rupturing, thereby extending the service life of the solar water heater.
[0004] However, the antifreeze device for the solar water heater has the following disadvantages: the heat is accumulated by absorbing solar energy through the heat absorption layer, but the sunlight is often not sufficient in winter. In the weather with insufficient sunlight, the accumulated heat is very small, and the pipes are easily frozen and broken. Utility Model Content
[0005] The technical problem solved by the utility model is to provide a pipe antifreeze device for an outdoor water heater which is highly practical, can be simply operated and has a relatively simple structure. It solves the problem proposed in the above background technology that heat is accumulated by absorbing solar energy by a heat absorption layer, but the sunlight is often not sufficient in winter. In the weather with scarce sunlight, the accumulated heat is very small and the pipes are easily frozen and cracked.
[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a pipe antifreeze device for an outdoor water heater, comprising a water heater pipe, the surface of the water heater pipe is sleeved with a foam sleeve, the surface of the foam sleeve is sleeved with an insulation component, the surface of the insulation component is sleeved with a heating pipe, the inner wall of the heating pipe is provided with a cavity, an electric heating wire is fixedly arranged inside the cavity, the surface of the heating pipe is sleeved with an aluminum foil layer, the surface of the aluminum foil layer is sleeved with a corrugated extension tube, the surface of the corrugated extension tube is sleeved with a waterproof membrane, the surface of the waterproof membrane is sleeved with an A fixing ring, a mounting plate is welded to one side of the A fixing ring, a temperature control mechanism is fixedly installed on the surface of the mounting plate, and the edge of the bottom surface of the A fixing ring is hinged with a B fixing ring through a hinge.
[0007] As a further solution of the utility model, the thermal insulation component includes a thermal insulation pipe sleeved on the surface of the foam sleeve, and the surface of the thermal insulation pipe is sleeved with a thermal insulation sleeve.
[0008] As a further solution of the utility model, the material of the thermal insulation pipe is glass wool, the material of the thermal insulation sleeve is rubber, and the material of the foam sleeve is polyethylene.
[0009] As a further solution of the utility model, the number of the heating wires is four groups, and the four groups of heating wires are distributed in a ring array.
[0010] As a further solution of the utility model, the temperature control mechanism includes a temperature sensor fixed on the surface of the mounting plate, the temperature sensor is electrically connected to a temperature controller, the temperature controller is electrically connected to the heating wire, and the temperature controller is fixedly installed at the bottom of one side of the mounting plate.
[0011] As a further solution of the utility model, an A connecting piece is welded to one side of the A fixing ring, and a B connecting piece is welded to one side of the B fixing ring.
[0012] As a further solution of the utility model, the surfaces of the A connecting plate and the B connecting plate are both provided with connecting holes, and the internal threads of the connecting holes are penetrated by connecting bolts.
[0013] The utility model provides a pipe antifreeze device for an outdoor water heater, which has the following beneficial effects:
[0014] 1. The pipe antifreeze device for the outdoor water heater is equipped with a heating wire, and the A fixing ring and the B fixing ring are installed on the outer surface of the waterproof membrane. The external power supply is connected, and the temperature sensor senses the external temperature. When the temperature is low, the heating wire is controlled by the temperature controller to heat the pipe, and the ice is melted to avoid freezing and cracking of the water heater pipe.
[0015] 2. The pipe antifreeze device for the outdoor water heater insulates the water heater pipes through the setting of the insulation components, the insulation pipes and the insulation sleeves to prevent freezing. The waterproof membrane isolates the external water source to prevent infiltration. The corrugated extension pipe enhances ductility to avoid freezing and cracking, thereby improving the antifreeze ability of the water heater pipes. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the structure of the thermal insulation component of the utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the heating wire and temperature control mechanism of the utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the corrugated extension tube of the utility model;
[0020] Figure 5 It is a schematic diagram of the structure of the A fixing ring and the B fixing ring of the utility model.
[0021] In the figure: 1. Water heater pipe; 2. Foam sleeve; 3. Insulation component; 301. Insulation pipe; 302. Insulation sleeve; 4. Heating pipe; 5. Heating wire; 6. Aluminum foil layer; 7. Corrugated extension pipe; 8. Waterproof membrane; 9. A fixing ring; 10. Mounting plate; 11. Temperature control mechanism; 1101. Temperature sensor; 1102. Temperature controller; 12. B fixing ring; 13. A connecting piece; 14. B connecting piece; 15. Connecting bolt. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figures 1 to 5 The utility model provides a technical solution: a pipe antifreeze device for an outdoor water heater, comprising a water heater pipe 1, a foam sleeve 2 is sleeved on the surface of the water heater pipe 1, a heat preservation component 3 is sleeved on the surface of the foam sleeve 2, through the setting of the heat preservation component 3, the heat preservation pipe 301 and the heat preservation sleeve 302 insulate the water heater pipe 1 to prevent freezing, the waterproof membrane 8 isolates the external water source to prevent infiltration, the corrugated extension pipe 7 enhances ductility, avoids freezing and cracking, and improves the antifreeze ability of the water heater pipe 1, the surface of the heat preservation component 3 is sleeved with a heating pipe 4, the inner wall of the heating pipe 4 is provided with a cavity, the interior of the cavity is fixedly provided with a heating wire 5, through the setting of the heating wire 5, the A solid The fixed ring 9 and the B fixed ring 12 are installed on the outer surface of the waterproof membrane 8 and connected to the external power supply. The temperature sensor 1101 senses the external temperature. When the temperature is low, the temperature controller 1102 controls the heating wire 5 to heat up, heats the pipeline, melts the ice, and prevents the water heater pipeline 1 from freezing and cracking. The surface of the heating tube 4 is sleeved with an aluminum foil layer 6, the surface of the aluminum foil layer 6 is sleeved with a corrugated extension tube 7, the surface of the corrugated extension tube 7 is sleeved with a waterproof membrane 8, and the surface of the waterproof membrane 8 is sleeved with an A fixed ring 9. A mounting plate 10 is welded on one side of the A fixed ring 9, and a temperature control mechanism 11 is fixedly installed on the surface of the mounting plate 10. The edge of the bottom surface of the A fixed ring 9 is hinged with a B fixed ring 12 through a hinge;
[0024] The insulation component 3 includes an insulation pipe 301 sleeved on the surface of the foam sleeve 2, and the surface of the insulation pipe 301 is sleeved with an insulation sleeve 302. Through the arrangement of the insulation component 3, the insulation pipe 301 and the insulation sleeve 302 insulate the water heater pipe 1 to prevent freezing, the waterproof membrane 8 isolates the external water source to prevent infiltration, and the corrugated extension pipe 7 enhances ductility to prevent freezing and cracking, thereby improving the antifreeze ability of the water heater pipe 1;
[0025] The material of the insulation pipe 301 is glass wool, the material of the insulation sleeve 302 is rubber, and the material of the foam sleeve 2 is polyethylene;
[0026] The number of the heating wires 5 is four groups, and the four groups of heating wires 5 are distributed in a ring array. Through the arrangement of the heating wires 5, the A fixing ring 9 and the B fixing ring 12 are installed on the outer surface of the waterproof membrane 8, connected to an external power supply, and the temperature sensor 1101 senses the external temperature. When the temperature is low, the temperature controller 1102 controls the heating wires 5 to generate heat, heats the pipeline, melts the ice, and avoids freezing and cracking of the water heater pipeline 1;
[0027] The temperature control mechanism 11 includes a temperature sensor 1101 fixed on the surface of the mounting plate 10, the temperature sensor 1101 is electrically connected to a temperature controller 1102, the temperature controller 1102 is electrically connected to the heating wire 5, and the temperature controller 1102 is fixedly mounted on the bottom of one side of the mounting plate 10. Through the setting of the temperature control mechanism 11, the heating temperature of the heating wire 5 is controlled;
[0028] An A connecting piece 13 is welded on one side of the A fixing ring 9, and a B connecting piece 14 is welded on one side of the B fixing ring 12. The A fixing ring 9 and the B fixing ring 12 are arranged to fix the mounting plate 10.
[0029] The surfaces of the A connecting piece 13 and the B connecting piece 14 are both provided with connecting holes, and the internal threads of the connecting holes are penetrated by connecting bolts 15. The connecting bolts 15 are provided to connect the A connecting piece 13 and the B connecting piece 14.
[0030] In the utility model, the working steps of the device are as follows:
[0031] Step 1: The insulation pipe 301 and the insulation sleeve 302 insulate the water heater pipe 1 to prevent freezing, the waterproof membrane 8 isolates the external water source to prevent infiltration, and the corrugated extension pipe 7 enhances ductility to prevent freezing and cracking, thereby improving the antifreeze ability of the water heater pipe 1;
[0032] The second step: install the A fixing ring 9 and the B fixing ring 12 on the outer surface of the waterproof membrane 8, tighten the connecting bolts 15 to fix them, connect the external power supply, and the temperature sensor 1101 senses the external temperature. When the temperature is low, the temperature controller 1102 controls the heating wire 5 to heat up, heats the pipeline, melts the ice, and avoids freezing and cracking of the water heater pipeline 1.
[0033] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;
[0034] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.
[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A pipe antifreeze device for an outdoor water heater, comprising a water heater pipe (1), characterized in that: The surface of the water heater pipe (1) is sleeved with a foam sleeve (2), the surface of the foam sleeve (2) is sleeved with a heat insulation component (3), the surface of the heat insulation component (3) is sleeved with a heating tube (4), the inner wall of the heating tube (4) is provided with a cavity, the interior of the cavity is fixedly provided with a heating wire (5), the surface of the heating tube (4) is sleeved with an aluminum foil layer (6), the surface of the aluminum foil layer (6) is sleeved with a corrugated extension tube (7), the surface of the corrugated extension tube (7) is sleeved with a waterproof membrane (8), the surface of the waterproof membrane (8) is sleeved with an A fixing ring (9), a mounting plate (10) is welded to one side of the A fixing ring (9), a temperature control mechanism (11) is fixedly mounted on the surface of the mounting plate (10), and the edge of the bottom surface of the A fixing ring (9) is hingedly connected to a B fixing ring (12) via a hinge.
2. The pipe antifreeze device for an outdoor water heater according to claim 1, characterized in that: The thermal insulation component (3) comprises a thermal insulation pipe (301) sleeved on the surface of a foam sleeve (2), and a thermal insulation sleeve (302) is sleeved on the surface of the thermal insulation pipe (301).
3. The pipe antifreeze device for an outdoor water heater according to claim 2, characterized in that: The material of the thermal insulation pipe (301) is glass wool, the material of the thermal insulation sleeve (302) is rubber, and the material of the foam sleeve (2) is polyethylene.
4. The pipe antifreeze device for an outdoor water heater according to claim 1, characterized in that: The number of the heating wires (5) is four groups, and the four groups of heating wires (5) are distributed in a ring array.
5. The pipe antifreeze device for an outdoor water heater according to claim 1, characterized in that: The temperature control mechanism (11) comprises a temperature sensor (1101) fixed to the surface of the mounting plate (10), the temperature sensor (1101) being electrically connected to a temperature controller (1102), the temperature controller (1102) being electrically connected to the heating wire (5), and the temperature controller (1102) being fixedly mounted on the bottom of one side of the mounting plate (10).
6. The pipe antifreeze device for an outdoor water heater according to claim 1, characterized in that: An A connecting piece (13) is welded to one side of the A fixing ring (9), and a B connecting piece (14) is welded to one side of the B fixing ring (12).
7. The pipe antifreeze device for an outdoor water heater according to claim 1, characterized in that: The surfaces of the A connecting piece (13) and the B connecting piece (14) are both provided with connecting holes, and the internal threads of the connecting holes are penetrated by connecting bolts (15).
Citation Information
Patent Citations
Freeze -proof device for solar water heater
CN207350935U
Cited By
Solar heat collector pipeline fixing device
CN224315639U
A warm air anti-freezing water heater
CN224850703U