CN220471859U - Refrigerant direct expansion radiator with electric auxiliary heating - Google Patents

Abstract

The utility model discloses a refrigerant direct expansion radiator with electric auxiliary heating, which comprises a radiating shell and a refrigerant pipe, wherein the refrigerant pipe is a serpentine coil, and the radiating shell is formed by fixedly connecting two radiating half shells in a butt joint way; the two heat dissipation half shells are provided with refrigerant grooves matched with the refrigerant pipes on opposite end surfaces, the two refrigerant grooves form a refrigerant channel for accommodating the refrigerant pipes, and the refrigerant pipes are clamped in the refrigerant channel; an expanding groove section is arranged on the refrigerant groove, and an electric auxiliary heating device for heating the refrigerant pipe is arranged at the expanding groove section. Under the condition of low temperature of the liquid medium, electric auxiliary heating can be started, so that the emergency heating requirement is met, convenience is brought to users, and continuous normal heating is ensured; the electromagnetic heating ring generates a magnetic field to heat the magnetic conductive metal, so that the liquid medium in the refrigerant pipe is heated, the heat efficiency is high, the energy loss is low, the damage is not easy to occur, and the service life is long; the electromagnetic heating ring is separated from the liquid medium, so that the electric leakage condition can not occur, and the safety is improved.

Description

Refrigerant direct expansion radiator with electric auxiliary heating

Technical Field

The utility model relates to the technical field of coolant heat dissipation, in particular to a coolant direct expansion radiator with electric auxiliary heating.

Background

The refrigerant direct expansion type radiator is a device for absorbing heat by utilizing evaporation and expansion of a refrigerant, and is widely used in the field of heat dissipation. The utility model of the utility model with the publication number of CN207515064U discloses a direct expansion air conditioner, wherein an outlet of a compressor is communicated with an a port of a four-way reversing valve, an inlet of the compressor is communicated with one end of a gas-liquid separator, the other end of the gas-liquid separator is communicated with a c port of the four-way reversing valve, an outdoor heat exchanger is communicated with a d port of the four-way reversing valve, the other end of the outdoor heat exchanger is connected with an expansion valve, and the other end of the expansion valve and the c port of the four-way reversing valve are respectively communicated with a radiator and a fan coil pipe through three-way reversing valves; and the first electric valve, the second electric valve, the third electric valve and the fourth electric valve are respectively arranged on the two pipelines of the radiator and the fan coil and are used for respectively controlling the opening or closing of each pipeline. The terminal device in summer is a fan coil, and the terminal device in winter is a radiator, and is regulated and controlled through an electric valve; compared with an indirect expansion type fan coil air conditioning system, the water system is omitted, and a direct expansion type system is adopted.

The existing coolant direct expansion type radiator achieves the heat supply purpose through heat dissipation of an internal circulation medium, the coolant temperature is an important factor influencing the temperature of the internal circulation medium, and when the coolant temperature is low, the radiator has the advantages of low heat dissipation and low heat transfer efficiency. In view of the above, improvements are needed.

Disclosure of Invention

Accordingly, it is desirable to provide a refrigerant direct expansion radiator with electric auxiliary heating to solve the above-mentioned problems.

In order to achieve the above purpose, the utility model provides a refrigerant direct expansion radiator with electric auxiliary heating, which comprises a radiating shell and a refrigerant pipe, wherein the refrigerant pipe is a serpentine coil, and the radiating shell is formed by fixedly connecting two radiating half shells in a butt joint way; the two heat dissipation half shells are provided with refrigerant grooves matched with the refrigerant pipes on opposite end surfaces, the two refrigerant grooves form a refrigerant channel for accommodating the refrigerant pipes, and the refrigerant pipes are clamped in the refrigerant channel; the refrigerant tank is provided with an expanding tank section, and an electric auxiliary heating device for heating the refrigerant pipe is arranged at the expanding tank section.

Preferably, the refrigerant pipe is made of magnetic permeability material; the electric auxiliary heating device comprises an electromagnetic heating ring, the electromagnetic heating ring is arranged on the expanding groove section, and the electromagnetic heating ring is sleeved on a straight pipe section of the refrigerant pipe.

Preferably, the refrigerant pipe is made of non-magnetic permeability material; the electric auxiliary heating device comprises an electromagnetic heating ring and a magnetic conduction pipe, the electromagnetic heating ring is arranged on the expanding groove section, the refrigerant pipe is provided with the expanding pipe section at the expanding groove section, the magnetic conduction pipe is arranged in the expanding pipe section, and the magnetic conduction pipe is arranged on the inner side of the electromagnetic heating ring.

Preferably, the refrigerant pipe is made of non-magnetic permeability material; the electric auxiliary heating device comprises an electromagnetic heating ring and a magnetic conduction pipe, wherein the electromagnetic heating ring is arranged on the expanding groove section, the magnetic conduction pipe is connected in series on the refrigerant pipe, and the magnetic conduction pipe is positioned on the inner side of the electromagnetic heating ring.

Preferably, the inner diameter of the magnetic conduction pipe is the same as the inner diameter of the refrigerant pipe.

Preferably, the electromagnetic heating device further comprises an electromagnetic heating controller, and the electromagnetic heating controller is electrically connected with the electromagnetic heating ring.

Preferably, the inner side of the heat dissipation shell is provided with a heat dissipation channel longitudinally penetrating.

Preferably, upper sliding grooves are formed in the upper parts of the opposite end surfaces of the two radiating half shells, an upper radiating cover is fixedly arranged on the upper part of the radiating shell, and an upper folded edge part which is clamped with the upper sliding grooves is arranged on the lower part of the upper radiating cover; the lower parts of the opposite end surfaces of the two radiating half shell parts are respectively provided with a lower-layer chute, the lower part of the radiating shell is fixedly provided with a lower-layer radiating cover, and the upper part of the lower-layer radiating cover is provided with a lower-layer folded edge part which is clamped with the lower-layer chute; a plurality of heat dissipation openings are formed in the upper layer heat dissipation cover and the lower layer heat dissipation cover; the lower end of the lower layer heat dissipation cover is fixedly provided with a supporting leg.

Preferably, a support plate arranged longitudinally is fixed in the heat dissipation channel.

Preferably, the electric auxiliary heating device is used for heating the pipe section of the refrigerant pipe, the input end of the refrigerant pipe and the same straight pipe section of the refrigerant pipe.

Compared with the prior art, the technical scheme has the following beneficial effects:

under the condition that the water temperature meets the requirement, the liquid medium in the refrigerant pipe naturally dissipates heat; under the condition of low temperature of the liquid medium, electric auxiliary heating can be started, so that the emergency heating requirement is met, convenience is brought to users, and continuous normal heating is ensured;

the electromagnetic heating ring generates a magnetic field to heat the magnetic conductive metal, so that the liquid medium in the refrigerant pipe is heated, the heat efficiency is high, the energy loss is low, the damage is not easy to occur, and the service life is long;

the electromagnetic heating ring is separated from the liquid medium, so that the electric leakage condition can not occur, and the safety is improved.

Drawings

Fig. 1 is a schematic structural view of embodiment 1;

fig. 2 is a front view of embodiment 1;

fig. 3 is a front view of the heat dissipation case of embodiment 1;

fig. 4 is a top view of a heat dissipation housing of embodiment 1

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 6 is a sectional view of the heat dissipation case of embodiment 1;

fig. 7 is a front view of the heat dissipation half-shell of embodiment 1;

fig. 8 is a schematic structural view of embodiment 2;

FIG. 9 is a cross-sectional view of example 2;

FIG. 10 is a sectional view of a heat dissipating housing of embodiment 2;

fig. 11 is a schematic structural view of embodiment 3;

FIG. 12 is a cross-sectional view of example 3;

in the figure, 1, a heat dissipation shell; 11. a heat dissipating half shell; 111. an upper layer chute; 112. a lower chute; 12. a refrigerant tank; 121. an expanded diameter groove section; 13. a refrigerant passage; 14. a heat dissipation channel; 141. a support plate; 2. a refrigerant pipe; 21. expanding the pipe section; 3. an electric auxiliary heating device; 31. an electromagnetic heating ring; 32. a magnetic conduction tube; 4. an electromagnetic heating controller; 5. an upper heat dissipation cover; 51. an upper hemming portion; 6. a lower heat dissipation cover; 61. a lower hem portion; 7. a heat radiation port; 8. and (5) supporting legs.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Example 1

Referring to fig. 1 to 7, the present embodiment provides a direct expansion type coolant radiator with auxiliary heating, which includes a heat dissipation housing 1 and a coolant tube 2, wherein the coolant tube 2 is a serpentine coil, the heat dissipation housing 1 is formed by joining and fixedly connecting two heat dissipation half-shells 11, and the heat dissipation housing 1 can be fixedly connected by rivets or bolts; the two radiating half shells 11 are provided with refrigerant grooves 12 matched with the refrigerant pipes 2 on the opposite end surfaces, the two refrigerant grooves 12 form a refrigerant channel 13 for accommodating the refrigerant pipes 2, and the refrigerant pipes 2 are clamped in the refrigerant channel 13; an expanding groove section 121 is arranged on the refrigerant groove 12, and an electric auxiliary heating device 3 for heating the refrigerant pipe 2 is arranged at the expanding groove section 121. The size of the expanding groove section 121 is larger than that of the refrigerant groove 12, so that the electric auxiliary heating device 3 can be conveniently installed.

In this embodiment, the refrigerant pipe 2 is made of magnetic conductive material, and the refrigerant pipe 2 may be formed by bending a seamless steel pipe; the electric auxiliary heating device 3 comprises an electromagnetic heating ring 31, the electromagnetic heating ring 31 is arranged on the expanding groove section 121, and the electromagnetic heating ring 31 is sleeved on a straight pipe section of the refrigerant pipe 2. The electromagnetic heating ring 31 heats the refrigerant pipe 2 at the inner side of the electromagnetic heating ring, so that the liquid medium in the refrigerant pipe 2 is heated, and the temperature of the liquid medium is increased; the electromagnetic heating ring 31 has high heating speed and high heat utilization rate, and can meet the requirement of emergency heating.

In the present embodiment, an electromagnetic heating controller 4 is also provided, and the electromagnetic heating controller 4 is electrically connected with the electromagnetic heating coil 31. The electromagnetic heating controller 4 is used for the electromagnetic heating ring 31 to work, and the electromagnetic heating controller 4 can be placed on one side of the heat dissipation shell 1 or can be installed on the heat dissipation shell 1.

For heat dissipation, a heat dissipation passage 14 is provided inside the heat dissipation case 1 so as to extend longitudinally therethrough. The heat emitted by the refrigerant pipe 2 is transferred to the heat dissipation shell 1, and the heat of the heat dissipation shell 1 can be directly emitted by the heat dissipation channel 14.

In order to prevent the heat emitted by the heat dissipation channels 14 from scalding the human body, upper slide grooves 111 are formed in the upper parts of the opposite end surfaces of the two heat dissipation half shells 11, an upper heat dissipation cover 5 is fixedly arranged on the upper part of the heat dissipation shell 1, and an upper folded edge part 51 which is clamped with the upper slide grooves 111 is arranged on the lower part of the upper heat dissipation cover 5; the lower parts of the opposite end surfaces of the two radiating half shells 11 are provided with lower sliding grooves 112, the lower part of the radiating shell 1 is fixedly provided with a lower radiating cover 6, and the upper part of the lower radiating cover 6 is provided with a lower folded edge part 61 which is clamped with the lower sliding grooves 112; the upper layer heat dissipation cover 5 and the lower layer heat dissipation cover 6 are respectively provided with a plurality of heat dissipation openings 7, which can facilitate heat dissipation; the landing leg 8 is fixedly arranged at the lower end of the lower-layer radiating cover 6, so that the radiator can be conveniently placed on the ground, the number of the landing legs 8 is two, the radiator can be stably supported, and meanwhile, the normal heat dissipation of the lower-layer radiating cover 6 is not influenced. During assembly, the upper-layer heat dissipation cover 5 is transversely pushed, so that the upper-layer flanging part 51 completely enters the upper-layer sliding groove 111, the relative movement of the two heat dissipation half shells 11 is limited through the upper-layer flanging part 51, and then the upper-layer heat dissipation cover 5 and the heat dissipation half shells 11 are fixedly connected together through rivets or bolts; similarly, the lower-layer heat dissipation cover 6 is pushed transversely, so that the lower-layer folded edge part 61 completely enters the lower-layer sliding groove 112, the relative movement of the two heat dissipation half shells 11 is limited by the lower-layer folded edge part 61, and then the lower-layer heat dissipation cover 6 and the heat dissipation half shells 11 are fixedly connected together by rivets or bolts; the upper heat dissipation cover 5 and the lower heat dissipation cover 6 simultaneously facilitate the butt joint of the two heat dissipation half shells 11 into one heat dissipation shell 1.

To enhance the strength of the heat dissipation path 14, a support plate 141 is provided in the heat dissipation path 14 and is fixed in a longitudinal direction. The supporting plate 141 can provide a certain internal supporting force to prevent the heat dissipation channel 14 from easily sinking after being stressed.

In order to improve the heating effect, the electric auxiliary heating device 3 is arranged on the heating pipe section of the refrigerant pipe 2, the input end of the refrigerant pipe 2 and the same straight pipe section of the refrigerant pipe 2. Therefore, the liquid medium input by the refrigerant pipe 2 can be directly heated by the electric auxiliary heating device 3, so that the temperature of the liquid medium in the refrigerant pipe 2 is uniformly distributed, and the heat dissipation effect is improved.

Example 2

Referring to fig. 8 to 10, the present embodiment is substantially the same as embodiment 1, except that the refrigerant tube 2 is made of a non-magnetic conductive material, and the refrigerant tube 2 is formed by bending a seamless copper tube; the electric auxiliary heating device 3 comprises an electromagnetic heating ring 31 and a magnetic conduction pipe 32, wherein the electromagnetic heating ring 31 is arranged on the expanding groove section 121, the expanding pipe section 21 is arranged at the position, located by the refrigerant pipe 2, of the expanding groove section 121, the magnetic conduction pipe 32 is a steel pipe, the magnetic conduction pipe 32 is arranged in the expanding pipe section 21, the magnetic conduction pipe 32 is in clearance fit with the expanding pipe section 21, the volume of the magnetic conduction pipe 32 is increased when the magnetic conduction pipe 32 is heated, but the magnetic conduction pipe 32 is not in rigid contact with the refrigerant pipe 2, and the magnetic conduction pipe 32 is located on the inner side of the electromagnetic heating ring 31. The electromagnetic heating ring 31 heats the magnetic tube 32, and the magnetic tube 32 exchanges heat with the liquid medium flowing in the refrigerant tube 2, thereby heating the liquid medium. The inner diameter of the magnetic tube 32 is the same as the inner diameter of the refrigerant tube 2, and the circulation of the liquid medium at a normal flow rate is not affected. The inner diameter of the magnetic tube 32 cannot be exactly the same as the inner diameter of the refrigerant tube 2 due to the influence of temperature, and the same is the inner diameter of the magnetic tube 32 is the same as the inner diameter of the refrigerant tube 2 at room temperature.

Example 3

Referring to fig. 11 and 12, the present embodiment is substantially the same as embodiment 1, except that the refrigerant tube 2 is made of a non-magnetic conductive material, and the refrigerant tube 2 is formed by bending a seamless copper tube; the electric auxiliary heating device 3 comprises an electromagnetic heating ring 31 and a magnetic conduction pipe 32, wherein the electromagnetic heating ring 31 is arranged on the expanding groove section 121, the magnetic conduction pipe 32 is a steel pipe, the magnetic conduction pipe 32 is connected to the refrigerant pipe 2 in series, and the magnetic conduction pipe 32 is positioned on the inner side of the electromagnetic heating ring 31. The electromagnetic heating ring 31 heats the magnetic tube 32, and the magnetic tube 32 exchanges heat with the liquid medium flowing through the inner cavity of the magnetic tube, so that the liquid medium is heated. The inner diameter of the magnetic tube 32 is the same as the inner diameter of the refrigerant tube 2, and the circulation of the liquid medium at a normal flow rate is not affected. The inner diameter of the magnetic tube 32 cannot be exactly the same as the inner diameter of the refrigerant tube 2 due to the influence of temperature, and the same is the inner diameter of the magnetic tube 32 is the same as the inner diameter of the refrigerant tube 2 at room temperature.

The foregoing examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Claims (10)

1. The refrigerant direct expansion radiator with the electric auxiliary heating comprises a radiating shell (1) and a refrigerant pipe (2), and is characterized in that the refrigerant pipe (2) is a serpentine coil, and the radiating shell (1) is formed by fixedly connecting two radiating half shells (11) in a butt joint manner; the two radiating half-shells (11) are provided with refrigerant grooves (12) matched with the refrigerant pipes (2) on opposite end surfaces, the two refrigerant grooves (12) form a refrigerant channel (13) for accommodating the refrigerant pipes (2), and the refrigerant pipes (2) are clamped in the refrigerant channel (13); the refrigerant tank (12) is provided with an expanding tank section (121), and an electric auxiliary heating device (3) for heating the refrigerant pipe (2) is arranged at the expanding tank section (121).

2. The refrigerant direct expansion radiator with electric auxiliary heating according to claim 1, characterized in that the refrigerant tube (2) is made of magnetic permeability material; the electric auxiliary heating device (3) comprises an electromagnetic heating ring (31), the electromagnetic heating ring (31) is arranged on the expanding groove section (121), and the electromagnetic heating ring (31) is sleeved on a straight pipe section of the refrigerant pipe (2).

3. The refrigerant direct expansion radiator with electric auxiliary heating according to claim 1, characterized in that the refrigerant tube (2) is made of non-magnetic conductive material; the electric auxiliary heating device (3) comprises an electromagnetic heating ring (31) and a magnetic conduction pipe (32), the electromagnetic heating ring (31) is arranged on the expanding groove section (121), the refrigerant pipe (2) is arranged at the expanding groove section (121) and is provided with an expanding pipe section (21), the magnetic conduction pipe (32) is arranged in the expanding pipe section (21), and the magnetic conduction pipe (32) is arranged on the inner side of the electromagnetic heating ring (31).

4. The refrigerant direct expansion radiator with electric auxiliary heating according to claim 1, characterized in that the refrigerant tube (2) is made of non-magnetic conductive material; the electric auxiliary heating device (3) comprises an electromagnetic heating ring (31) and a magnetic conduction pipe (32), wherein the electromagnetic heating ring (31) is arranged on the expanding groove section (121), the magnetic conduction pipe (32) is connected in series on the refrigerant pipe (2), and the magnetic conduction pipe (32) is positioned on the inner side of the electromagnetic heating ring (31).

5. The direct expansion coolant radiator with auxiliary heating according to claim 3 or 4, wherein the inner diameter of the magnetic tube (32) is the same as the inner diameter of the coolant tube (2).

6. The direct expansion coolant radiator with electric auxiliary heating according to any one of claims 2 to 4, further comprising an electromagnetic heating controller (4), wherein the electromagnetic heating controller (4) is electrically connected with an electromagnetic heating coil (31).

7. The direct expansion type cooling medium radiator with electric auxiliary heating according to claim 1, wherein the inner side of the cooling shell (1) is provided with a cooling channel (14) longitudinally penetrating.

8. The direct expansion coolant radiator with auxiliary heating according to claim 7, characterized in that upper slide grooves (111) are formed in the upper parts of the opposite end surfaces of the two radiating half shells (11), an upper radiating cover (5) is fixedly arranged on the upper part of the radiating shell (1), and an upper folded edge part (51) clamped with the upper slide grooves (111) is arranged on the lower part of the upper radiating cover (5); the lower parts of the opposite end surfaces of the two radiating half shells (11) are respectively provided with a lower-layer chute (112), the lower part of the radiating shell (1) is fixedly provided with a lower-layer radiating cover (6), and the upper part of the lower-layer radiating cover (6) is provided with a lower-layer folded edge part (61) which is clamped with the lower-layer chute (112); a plurality of heat dissipation openings (7) are formed in the upper layer heat dissipation cover (5) and the lower layer heat dissipation cover (6); the lower end of the lower layer radiating cover (6) is fixedly provided with a supporting leg (8).

9. The direct expansion type cooling medium radiator with electric auxiliary heating according to claim 7, characterized in that the cooling channel (14) is internally fixed with a supporting plate (141) arranged longitudinally.

10. The direct expansion cooling medium radiator with electric auxiliary heating according to claim 1, wherein the electric auxiliary heating device (3) is arranged on the same straight line pipe section of the cooling medium pipe (2) and the input end of the heating pipe section of the cooling medium pipe (2) and the cooling medium pipe section of the cooling medium pipe (2).