Vehicle-mounted wet-type heating and heat preservation device

Abstract

The utility model relates to the technical field of vehicle refitting, and discloses a vehicle-mounted wet-type heating and heat preservation device which comprises a box body, a box cover and a heat exchanger, the box cover is arranged at an opening in the top of the box body, and the heat exchanger is fixedly installed in the box body. The input end and the output end of the heat exchanger extend to the outside of the box body and are fixedly provided with connecting water pipes, the pipe wall of one connecting water pipe is provided with an electric three-way valve, the pipe wall of the other connecting water pipe is provided with a three-way connector, and a short-circuit water pipe is fixedly arranged between the electric three-way valve and the three-way connector. According to the utility model, the engine cooling circulation system is utilized to realize the heating of the heat insulation box in the vehicle, the operation cost can be reduced, the heat insulation effect is good, the timeliness is strong, the use requirement is met on the basis of fully considering the part development cost, and the heat insulation box is suitable for batch production and can meet the market demand of carrying out the work.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle modification, in particular to a vehicle-mounted wet heating and heat preservation device. Background Art

[0002] At present, various types of catering delivery vehicles basically use insulation boxes for insulation. Since they cannot provide heat source for a long time, the insulation effect and timeliness are relatively poor; however, during the driving process of the car, since the engine needs to cool down, the existing insulation box cannot use the engine cooling circulation system to achieve the heating of the insulation box in the car. Therefore, a vehicle-mounted wet heating and insulation device is proposed. Utility Model Content

[0003] The utility model aims to solve the problem that the vehicle-mounted thermal insulation box in the prior art cannot provide a heat source for a long time, and has poor thermal insulation effect and timeliness, and proposes a vehicle-mounted wet heating and thermal insulation device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A vehicle-mounted wet heating and heat preservation device comprises a box body, a box cover and a heat exchanger, wherein the box cover is arranged at the top opening of the box body, the heat exchanger is fixedly installed inside the box body, the input end and the output end of the heat exchanger both extend to the outside of the box body and are fixedly provided with connecting water pipes, the pipe wall of one of the connecting water pipes is provided with an electric three-way valve, and the pipe wall of the other connecting water pipe is provided with a three-way joint, and a short-circuit water pipe is fixedly provided between the electric three-way valve and the three-way joint.

[0006] Preferably, a hinge is provided between one side of the box cover and one side of the box body, and a buckle is provided between the other side of the box cover and the other side of the box body.

[0007] Preferably, both the inner side wall and the bottom of the box body are provided with a heat-insulating layer, and the heat-insulating layer adopts a double-layer structure.

[0008] Preferably, a drain valve is fixedly provided on one side of the bottom of the box body.

[0009] Preferably, a partition is horizontally fixedly provided inside the box and above the heat exchanger.

[0010] Preferably, the heat exchanger is fixedly mounted on the inner plane of the box body by welding.

[0011] Preferably, clean water is poured into the interior of the box and on the upper surface of the partition as a medium for heat conduction and heat storage.

[0012] Preferably, the end of the connecting water pipe is connected in series with the vehicle's heating system and in parallel with the vehicle's engine coolant system.

[0013] Compared with the prior art, the utility model provides a vehicle-mounted wet heating and heat preservation device, which has the following beneficial effects:

[0014] The vehicle-mounted wet heating and heat preservation device, through the provided box body, heat exchanger, electric three-way valve, three-way joint and short-circuit water pipe, can utilize the waste heat of the engine coolant as a heat source, and discharge it into the interior of the heat exchanger to perform cold and heat exchange inside the box body. Therefore, it has almost no use cost, and has good heat preservation effect and strong timeliness.

[0015] The parts not involved in the device are the same as the existing technology or can be implemented by existing technology. The utility model can reduce the operating cost, has good thermal insulation effect, and has strong timeliness. It fully considers the cost of parts development and meets the requirements of use. It is suitable for mass production and can meet the market demand for carrying out this work. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of a vehicle-mounted wet heating and heat preservation device proposed by the utility model;

[0017] Figure 2 This is a top view of a vehicle-mounted wet heating and heat preservation device proposed by the utility model;

[0018] Figure 3 This is a side view of a vehicle-mounted wet heating and heat preservation device proposed by the utility model;

[0019] Figure 4 This is a schematic diagram of the principle of opening a vehicle-mounted wet heating and heat preservation device proposed by the utility model;

[0020] Figure 5 The utility model is a schematic diagram of the closing principle of a vehicle-mounted wet heating and heat preservation device.

[0021] In the figure: 1. box cover; 2. box body; 3. buckle; 4. insulation layer; 5. connecting water pipe; 6. partition; 7. drain valve; 8. heat exchanger; 9. electric three-way valve; 10. three-way joint; 11. short-circuit water pipe; 12. hinge. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0024] Reference Figure 1-5 A vehicle-mounted wet heating and heat preservation device comprises a box body 2, a box cover 1 and a heat exchanger 8. The box cover 1 is arranged at the top opening of the box body 2. The heat exchanger 8 is fixedly installed inside the box body 2. The heat exchanger 8 is fixedly installed on the inner plane of the box body 2 by welding. A partition 6 is fixedly arranged horizontally inside the box body 2 and above the heat exchanger 8. Clean water is poured into the box body 2 and on the upper surface of the partition 6 as a medium for heat conduction and heat storage. The partition 6 separates the clean water used for heating from the food or articles to be heated. The input end and the output end of the heat exchanger 8 are extended to the outside of the box body 2 and are fixedly provided with a connecting water pipe 5. The pipe wall of one of the connecting water pipes 5 is provided with an electric The electric three-way valve 9 is driven, and a three-way joint 10 is provided on the wall of the other connecting water pipe 5. A short-circuit water pipe 11 is fixedly provided between the electric three-way valve 9 and the three-way joint 10. The end of the connecting water pipe 5 is connected in series with the vehicle's heating system and in parallel with the vehicle's engine coolant system. The engine coolant flows through the heat exchanger 8 through the connecting water pipe 5, so that the surface temperature of the heat exchanger 8 increases, thereby heating the inside of the box body 2. When the electric three-way valve 9 is energized, the coolant enters the heat exchanger 8 through the A and C ports of the electric three-way valve 9; when the electric three-way valve 9 is de-energized, the coolant passes through the A and B ports of the electric three-way valve 9 and bypasses the heat exchanger 8, thereby realizing the opening and closing of the device.

[0025] Reference Figure 1 and 3 A hinge 12 is provided between one side of the box cover 1 and one side of the box body 2, and a buckle 3 is provided between the other side of the box cover 1 and the other side of the box body 2. By opening the buckle 3, the box cover 1 can be rotated through the hinge 12 to open the top opening of the box body 2, so that the medium can be injected into the interior of the box body 2.

[0026] Reference Figure 1-2 The inner wall and the bottom of the box body 2 are both provided with an insulation layer 4, and the insulation layer 4 adopts a double-layer structure, which can make the box body 2 have a better insulation effect and reduce heat loss; a drain valve 7 is fixedly provided on one side of the bottom of the box body 2, and water can be discharged by opening the drain valve 7.

[0027] The utility model has the characteristics of reliability, easy installation and simple operation.

[0028] Reliable: This device has few failure points, and the electric three-way valve selected will not affect the operation of the car engine and heater even if it is damaged.

[0029] Easy to install: The structure is simple and the installation is simple and convenient. When installed in different positions, it can be adapted by adjusting the length of the connecting water pipe.

[0030] Simple operation: The device control switch can be integrated into the vehicle cab instrument panel or the rear integrated panel of the modified vehicle for control operation. The operation is only in two modes: "on" and "off", which is simple and convenient.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A vehicle-mounted wet heating and heat preservation device, comprising a box body (2), a box cover (1) and a heat exchanger (8), characterized in that: The box cover (1) is arranged at the top opening of the box body (2), the heat exchanger (8) is fixedly installed inside the box body (2), the input end and the output end of the heat exchanger (8) both extend to the outside of the box body (2) and are both fixedly provided with connecting water pipes (5), the pipe wall of one of the connecting water pipes (5) is provided with an electric three-way valve (9), the pipe wall of the other connecting water pipe (5) is provided with a three-way joint (10), and a short-circuit water pipe (11) is fixedly provided between the electric three-way valve (9) and the three-way joint (10).

2. A vehicle-mounted wet heating and heat preservation device according to claim 1, characterized in that: A hinge (12) is provided between one side of the box cover (1) and one side of the box body (2), and a buckle (3) is provided between the other side of the box cover (1) and the other side of the box body (2).

3. The vehicle-mounted wet heating and heat preservation device according to claim 1, characterized in that: The inner side wall and the bottom of the box body (2) are both provided with a heat-insulating layer (4), and the heat-insulating layer (4) adopts a double-layer structure.

4. The vehicle-mounted wet heating and heat preservation device according to claim 1, characterized in that: A drainage valve (7) is fixedly provided on one side of the bottom of the box body (2).

5. The vehicle-mounted wet heating and heat preservation device according to claim 1, characterized in that: A partition plate (6) is horizontally fixedly disposed inside the box body (2) and above the heat exchanger (8).

6. The vehicle-mounted wet heating and heat preservation device according to claim 1, characterized in that: The heat exchanger (8) is fixedly mounted on the inner plane of the box body (2) by welding.

7. The vehicle-mounted wet heating and heat preservation device according to claim 1, characterized in that: The end of the connecting water pipe (5) is connected in series with the vehicle's heating system and in parallel with the vehicle's engine coolant system.

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