Defrosting heating pipe of refrigeration equipment

Abstract

The utility model relates to the technical field of heating pipes, and discloses a defrosting heating pipe of refrigeration equipment, which solves the problems that the existing defrosting heating pipe is low in defrosting efficiency and easy to cause water seepage, and comprises a plurality of heating pipe components connected with a live wire bus and a zero wire bus, the heating pipe assembly is composed of a U-shaped heating pipe body, a reflecting cover, a plurality of connecting assemblies, a live wire and a null wire, the U-shaped heating pipe body is connected to one side of the reflecting cover through the connecting assemblies, and the U-shaped heating pipe body is composed of a ceramic sealing opening, a metal sleeve shell, magnesium oxide powder, an electric heating wire, a plurality of high-temperature-resistant insulating sealing sleeves and a plurality of leading-out rods; the metal sleeve shell is connected to one end of the ceramic seal, the electric heating wire is connected into the metal sleeve shell, and the magnesium oxide powder is filled into the metal sleeve shell; through the defrosting heating pipe, heat radiation defrosting can be achieved, heat loss is reduced, the defrosting efficiency is improved, meanwhile, the overall sealing performance can be improved, and water seepage is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of heating tubes, in particular to a defrosting heating tube for refrigeration equipment. Background Art

[0002] During the use of refrigeration equipment (such as refrigerators, cold storage, etc.), the surface temperature of the evaporator is lower than the dew point temperature of the air in the box. The air is constantly circulating in the box, and frost will form on the surface of the evaporator, resulting in a significant decrease in heat exchange efficiency. Therefore, the refrigeration equipment needs to be defrosted once after running for a period of time. Defrosting generally uses a defrost heating tube. The defrost heating tube currently used is generally exposed during installation. Therefore, some heat will be lost during the heating and defrosting process of the defrost heating tube, affecting the defrosting efficiency. In addition, liquid water will be generated during the defrosting process. If the defrost heating tube is not well sealed, it will cause water seepage and affect the safety of use. Therefore, the present application proposes a defrost heating tube for refrigeration equipment to solve the above problems. Summary of the invention

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a defrosting heating tube for refrigeration equipment, which effectively solves the problems of low defrosting efficiency and easy water seepage of the existing defrosting heating tube.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a defrosting heating tube for refrigeration equipment, comprising a plurality of heating tube assemblies, wherein the heating tube assemblies are connected to a live bus and a neutral bus, and the heating tube assembly is composed of a U-shaped heating tube body, a reflective cover, a plurality of connecting assemblies, a live wire and a neutral wire, the U-shaped heating tube body is connected to one side of the reflective cover through the connecting assembly, the live wire and the neutral wire are respectively connected to the two ends of the U-shaped heating tube body, and the other ends of the live wire and the neutral wire are respectively connected to the live bus and the neutral bus, the U-shaped heating tube body is composed of a ceramic seal, a metal shell, magnesium oxide powder, a heating wire, a plurality of high-temperature resistant insulating sleeves and a plurality of lead-out rods, the metal shell is fixedly connected to one end of the ceramic seal, the heating wire is fixedly connected to the inside of the metal shell, the magnesium oxide powder is filled in the inside of the metal shell, the high-temperature resistant insulating sleeve is sleeved on one end of the ceramic seal, and the lead-out rod is inserted into the ceramic seal and the high-temperature resistant insulating sleeve and connected to the heating wire.

[0005] Preferably, a plurality of O-rings 1 are arranged between the ceramic seal and the high temperature resistant insulating sleeve, and a plurality of O-rings 2 are arranged between the lead-out rod and the high temperature resistant insulating sleeve.

[0006] Preferably, the reflector is composed of a heat insulation board and an irregular reflective surface layer, the irregular reflective surface layer is fixedly connected to a side of the heat insulation board close to the U-shaped heating tube body, and both the heat insulation board and the irregular reflective surface layer are arc-shaped structures.

[0007] Preferably, mounting beams are fixedly provided at the top and bottom ends of the reflector away from the U-shaped heating tube body, and a plurality of bolt mounting holes are provided on the mounting beams.

[0008] Preferably, the connection assembly is composed of a heat-insulating connection sleeve and a plurality of heat-insulating connection plates. The heat-insulating connection sleeve is sleeved on the U-shaped heating tube body, and the heat-insulating connection plates are fixedly connected between the heat-insulating connection sleeve and the reflective cover.

[0009] Preferably, the heat-insulating connecting sleeve is provided with a plurality of mounting holes matching the U-shaped heating tube body, and the inner surface of the mounting hole is fixedly provided with a high-temperature resistant heat-insulating rubber sleeve.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] (1) During operation, by setting a heating tube assembly consisting of a U-shaped heating tube body, a reflector, a plurality of connecting assemblies, a live wire and a neutral wire, and connecting a plurality of heating tube assemblies in parallel, defrosting operation can be achieved, the probability of damage can be reduced, and even if a single heating tube assembly is damaged, it will not affect the normal operation of other heating tube assemblies. By setting a U-shaped heating tube body consisting of a ceramic seal, a metal casing, magnesium oxide powder, an electric heating wire, a plurality of high-temperature resistant insulating sleeves and a plurality of lead-out rods, electric heating can be achieved, and then defrosting operation can be achieved. By setting an O-ring 1 and an O-ring 2, the overall sealing of the U-shaped heating tube body can be improved, and water generated during the defrosting process can be prevented from penetrating into the interior of the U-shaped heating tube body and affecting the safety of use.

[0012] (2) By setting a reflective cover composed of a heat insulation plate and an irregular reflective surface layer, heat energy can be reflected, and then defrosting operation can be achieved by utilizing heat radiation, thereby improving defrosting efficiency and reducing heat loss. By setting a connecting assembly composed of a heat insulation connecting sleeve and a plurality of heat insulation connecting plates, the U-shaped heating tube body can be firmly connected to the reflective cover, while heat transfer can be blocked. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0014] In the attached picture:

[0015] Figure 1 This is a schematic diagram of the structure of the defrosting heating pipe of the refrigeration equipment of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the heating tube assembly of the utility model;

[0017] Figure 3This is a schematic diagram of the structure of the U-shaped heating tube body of the utility model;

[0018] Figure 4 This is a partial cross-sectional view of the U-shaped heating tube body of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the reflector cover of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the connection assembly of the utility model;

[0021] In the figure: 1. Heating tube assembly; 2. Live busbar; 3. Neutral busbar; 4. U-shaped heating tube body; 5. Reflection cover; 6. Connection assembly; 7. Live wire; 8. Neutral wire; 9. Ceramic seal; 10. Metal casing; 11. Magnesium oxide powder; 12. Heating wire; 13. High temperature resistant insulating sleeve; 14. Lead-out rod; 15. O-ring one; 16. O-ring two; 17. Insulation board; 18. Irregular reflecting surface layer; 19. Mounting beam; 20. Bolt mounting hole; 21. Insulation connecting sleeve; 22. Insulation connecting plate; 23. Mounting hole; 24. High temperature resistant insulating rubber sleeve. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Depend on Figures 1 to 4 The utility model provides a defrosting heating tube for refrigeration equipment, comprising a plurality of heating tube assemblies 1, the heating tube assemblies 1 are connected to a live bus 2 and a neutral bus 3, the heating tube assembly 1 is composed of a U-shaped heating tube body 4, a reflective cover 5, a plurality of connecting assemblies 6, a live wire 7 and a neutral wire 8, the U-shaped heating tube body 4 is connected to one side of the reflective cover 5 through the connecting assembly 6, the live wire 7 and the neutral wire 8 are respectively connected to both ends of the U-shaped heating tube body 4, and the other ends of the live wire 7 and the neutral wire 8 are respectively connected to the live bus 2 and the neutral bus 3, The U-shaped heating tube body 4 is composed of a ceramic seal 9, a metal sheath 10, magnesium oxide powder 11, a heating wire 12, a plurality of high temperature resistant insulating sleeves 13 and a plurality of lead rods 14. The metal sheath 10 is fixedly connected to one end of the ceramic seal 9, the heating wire 12 is fixedly connected to the inside of the metal sheath 10, the magnesium oxide powder 11 is filled in the inside of the metal sheath 10, the high temperature resistant insulating sleeve 13 is sleeved on one end of the ceramic seal 9, and the lead rod 14 is inserted into the ceramic seal 9 and the high temperature resistant insulating sleeve 13 and connected to the heating wire 12;

[0024] When in use, multiple heating tube assemblies 1 are connected to the live bus 2 and the neutral bus 3 separately to achieve parallel connection. Therefore, when a certain heating tube assembly 1 is damaged, it will not affect the normal operation of other heating tube assemblies 1, thereby improving the service life. When the U-shaped heating tube body 4 is working, the live wire 7 and the neutral wire 8 are used to supply power to the heating wire 12, and the magnesium oxide powder 11 can play an insulating and heat-conducting role to heat the metal casing 10, and the metal casing 10 is used to achieve defrosting operation;

[0025] Depend on Figure 4 It is shown that a plurality of O-rings 15 are provided between the ceramic seal 9 and the high temperature resistant insulating envelope 13, and a plurality of O-rings 2 16 are provided between the lead-out rod 14 and the high temperature resistant insulating envelope 13;

[0026] The O-ring 15 can improve the sealing performance of the connection between the ceramic seal 9 and the high temperature resistant insulating sleeve 13, and the O-ring 2 16 can improve the sealing performance between the lead-out rod 14 and the high temperature resistant insulating sleeve 13, thereby preventing the water generated during the defrosting process from penetrating into the interior of the U-shaped heating tube body 4 and affecting the safety and service life of the use;

[0027] Depend on Figure 2 , Figure 3 and Figure 5 It is shown that the reflector 5 is composed of a heat insulation board 17 and an irregular reflective surface layer 18, the irregular reflective surface layer 18 is fixedly connected to a side of the heat insulation board 17 close to the U-shaped heating tube body 4, and the heat insulation board 17 and the irregular reflective surface layer 18 are both arc-shaped structures;

[0028] During the defrosting process, the irregular reflective surface layer 18 is used to reflect heat energy, reduce heat loss, and improve the defrosting efficiency by utilizing thermal radiation. By setting the heat insulation board 17 and the irregular reflective surface layer 18 to be arc-shaped structures, the defrosting efficiency of the defrosting area can be further improved.

[0029] Depend on Figure 1 , Figure 2 , Figure 3 and Figure 6 It is given that the top and bottom ends of the reflector 5 away from the U-shaped heating tube body 4 are fixedly provided with mounting beams 19, and a plurality of bolt mounting holes 20 are provided on the mounting beams 19. The connecting assembly 6 is composed of a heat-insulating connecting sleeve 21 and a plurality of heat-insulating connecting plates 22. The heat-insulating connecting sleeve 21 is sleeved on the U-shaped heating tube body 4, and the heat-insulating connecting plate 22 is fixedly connected between the heat-insulating connecting sleeve 21 and the reflector 5. The heat-insulating connecting sleeve 21 is provided with a plurality of mounting holes 23 matching the U-shaped heating tube body 4, and a high-temperature resistant heat-insulating rubber sleeve 24 is fixedly provided on the inner surface of the mounting hole 23;

[0030] The defrost heating tube can be firmly installed through the mounting beam 19 and the bolt mounting hole 20, and the U-shaped heating tube body 4 and the reflector cover 5 can be firmly connected through the insulating connecting sleeve 21 and the insulating connecting plate 22 to improve the overall strength. The high-temperature resistant insulating rubber sleeve 24 can play a heat insulating role and also play a buffering role to avoid the U-shaped heating tube body 4 from being damaged by pressure.

[0031] During operation, by setting a heating tube assembly consisting of a U-shaped heating tube body, a reflective cover, a plurality of connecting components, a live wire and a neutral wire, and connecting a plurality of heating tube assemblies in parallel, defrosting operation can be achieved, the probability of damage can be reduced, and even if a single heating tube assembly is damaged, it will not affect the normal operation of other heating tube assemblies. By setting a U-shaped heating tube body consisting of a ceramic seal, a metal shell, magnesium oxide powder, an electric heating wire, a plurality of high-temperature resistant insulating sleeves and a plurality of lead-out rods, electric heating can be achieved, and then the defrosting operation can be achieved. By setting an O-ring 1 and an O-ring 2, the overall sealing of the U-shaped heating tube body can be improved, and water generated during the defrosting process can be prevented from penetrating into the interior of the U-shaped heating tube body and affecting the safety of use. By setting a reflective cover consisting of a heat insulation board and an irregular reflective surface layer, the reflection of heat energy can be achieved, and then the defrosting operation can be achieved by utilizing heat radiation, the defrosting efficiency can be improved, and the heat loss can be reduced. By setting a connecting assembly consisting of a heat insulation connecting sleeve and a plurality of heat insulation connecting plates, the U-shaped heating tube body can be firmly connected to the reflective cover, and heat transfer can be blocked at the same time.

Claims

1. A defrosting heating tube for refrigeration equipment, comprising a plurality of heating tube assemblies (1), characterized in that: The heating tube assembly (1) is connected to the live busbar (2) and the neutral busbar (3). The heating tube assembly (1) is composed of a U-shaped heating tube body (4), a reflector (5), a plurality of connection assemblies (6), a live wire (7) and a neutral wire (8). The U-shaped heating tube body (4) is connected to one side of the reflector (5) via the connection assemblies (6). The live wire (7) and the neutral wire (8) are respectively connected to two ends of the U-shaped heating tube body (4). The other ends of the live wire (7) and the neutral wire (8) are respectively connected to the live busbar (2) and the neutral busbar (3). The U-shaped heating tube body (4) is sealed by a ceramic The invention is composed of a ceramic sealing member (9), a metal casing (10), magnesium oxide powder (11), a heating wire (12), a plurality of high temperature resistant insulating sleeves (13) and a plurality of lead-out rods (14), wherein the metal casing (10) is fixedly connected to one end of the ceramic sealing member (9), the heating wire (12) is fixedly connected to the inside of the metal casing (10), the magnesium oxide powder (11) is filled in the inside of the metal casing (10), the high temperature resistant insulating sleeve (13) is sleeved on one end of the ceramic sealing member (9), and the lead-out rod (14) is inserted into the ceramic sealing member (9) and the high temperature resistant insulating sleeve (13) and is connected to the heating wire (12).

2. A defrosting heating tube for refrigeration equipment according to claim 1, characterized in that: A plurality of O-type sealing rings (15) are arranged between the ceramic seal (9) and the high temperature resistant insulating sleeve (13), and a plurality of O-type sealing rings (16) are arranged between the lead-out rod (14) and the high temperature resistant insulating sleeve (13).

3. The defrosting heating tube for refrigeration equipment according to claim 1, characterized in that: The reflector (5) is composed of a heat insulation board (17) and an irregular reflective surface layer (18); the irregular reflective surface layer (18) is fixedly connected to a side of the heat insulation board (17) close to the U-shaped heating tube body (4); and both the heat insulation board (17) and the irregular reflective surface layer (18) are arc-shaped structures.

4. The defrosting heating tube for refrigeration equipment according to claim 1, characterized in that: A mounting beam (19) is fixedly provided at the top and bottom ends of the reflector cover (5) on a side away from the U-shaped heating tube body (4), and a plurality of bolt mounting holes (20) are provided on the mounting beam (19).

5. The defrosting heating tube for refrigeration equipment according to claim 1, characterized in that: The connection assembly (6) is composed of a heat-insulating connection sleeve (21) and a plurality of heat-insulating connection plates (22); the heat-insulating connection sleeve (21) is sleeved on the U-shaped heating pipe body (4); and the heat-insulating connection plates (22) are fixedly connected between the heat-insulating connection sleeve (21) and the reflector (5).

6. A defrosting heating tube for refrigeration equipment according to claim 5, characterized in that: The heat-insulating connecting sleeve (21) is provided with a plurality of mounting holes (23) matching the U-shaped heating tube body (4), and a high-temperature-resistant heat-insulating rubber sleeve (24) is fixedly provided on the inner surface of the mounting hole (23).

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