CN216993818U - Heat recovery device of automobile cooling system - Google Patents

Abstract

The utility model relates to a heat recovery device of an automobile cooling system, which comprises a heat exchanger, a vehicle-mounted water tank and a hot water tank, wherein the heat exchanger is arranged on the vehicle-mounted water tank; the heat exchanger is provided with a first inlet, a first outlet, a second inlet and a second outlet, the first inlet is communicated with the first outlet, and the second inlet is communicated with the second outlet; the first inlet is communicated with the vehicle-mounted water tank through a first water pipe, and the first outlet of the heat exchanger is communicated with the hot water tank through a second water pipe; and a water pump is arranged on the second water pipe. The device recycles and utilizes the waste heat of the automobile cooling system, saves energy and reduces the burden of automobile heat dissipation.

Description

Vehicle cooling system heat recovery device

technical field

The utility model belongs to the technical field of waste heat recovery, in particular to a heat recovery device for an automobile cooling system.

Background technique

With the improvement of people's living standards, the use of automobiles has increased significantly. Therefore, energy-saving and environmental protection technologies for automobiles have also been put on the agenda:

The existing automobile waste heat utilization is mainly aimed at high-temperature flue gas. The heat in the automobile cooling system is naturally diffused into the air, which not only wastes energy, but also imposes a certain burden on the heat dissipation of the automobile. Therefore, how to recycle and utilize the automobile cooling system The waste heat has become an urgent technical problem to be solved;

Utility model content

Aiming at the problems existing in the above-mentioned prior art, the purpose of the present invention is to provide a vehicle cooling system heat recovery device and a vehicle cooling system heat recovery device to solve the above-mentioned technical problems.

In order to realize the above-mentioned purpose of the utility model, the technical scheme provided by the present utility model is as follows:

A heat recovery device for an automobile cooling system includes a heat exchanger, a vehicle-mounted water tank and a hot water tank; the heat exchanger is provided with a first inlet, a first outlet, a second inlet and a second outlet, and the first inlet is provided with a first inlet, a first outlet, a second inlet and a second outlet. communicated with the first outlet, and the second inlet communicated with the second outlet; the first inlet communicated with the vehicle-mounted water tank through a first water pipe, and the first outlet of the heat exchanger passed through a second water pipe communicated with the hot water tank; a water pump is arranged on the second water pipe.

Preferably, the hot water tank is provided with a temperature control device and an electric heating device.

Preferably, the temperature control device includes a first water temperature sensor, a second water temperature sensor and a processor, the electric heating device is an electric heating wire; a first electric control valve is installed on the first water pipe, and the second water pipe A second electric control valve is installed on it, the electric heating wire is connected with an electric control switch, and the first electric control valve, the second electric control valve, the first water temperature sensor, the second water temperature sensor, the water pump and the electric control switch are respectively connected with the electric control switch. the processor is connected.

Preferably, a water level sensor is provided on the water tank, and the water level sensor is connected to the processor.

Preferably, steam valves are installed at the first inlet and the second inlet.

Preferably, the vehicle-mounted water tank is provided with a water inlet, the hot water tank is provided with a water outlet, a water inlet valve is installed on the water inlet, and a water outlet valve is installed on the water outlet.

Preferably, a first detachable valve is installed at the position where the first water pipe is connected to the vehicle-mounted water tank; a second detachable valve is installed at the position where the second water pipe is connected to the hot water tank; A third detachable valve is installed at the position where the second water pipe is connected to the first outlet.

Preferably, the heat exchanger is a tubular heat exchanger.

When the vehicle cooling system heat recovery device provided by the utility model is in use, the cooling liquid of the vehicle cooling system enters through the second inlet, and is discharged from the second outlet, forming a circulation in the vehicle cooling system, and the water in the vehicle water tank can enter through the first inlet. Heat exchanger, when the car is running, the engine will generate a lot of heat energy, and this heat will be transferred to the cooling liquid, so that the temperature of the cooling liquid will rise, and the cooling liquid after the temperature rise will enter the heat exchange device to circulate and flow, and the first inlet The water entering the heat exchanger exchanges heat, so that the temperature of the water entering the heat exchanger at the first inlet rises. After the temperature of the water entering the heat exchanger at the first inlet rises, the water pump is started to make it pass through the first outlet and the heat exchanger. The second water pipe goes into the hot water tank for people to use. The device recovers and utilizes the waste heat of the vehicle cooling system, saves energy, and reduces the burden of vehicle heat dissipation.

Description of drawings

1 is a schematic structural diagram of a heat recovery device for an automobile cooling system according to Embodiment 1;

Fig. 2 is the structural representation of a kind of automobile cooling system heat recovery device of embodiment 2;

Reference numerals in the figure; heat exchanger 1, first inlet 1-1, first outlet 1-2, second inlet 1-3, second outlet 1-4, vehicle water tank 2, hot water tank 3, first Water pipe 4, second water pipe 5, water pump 6, first water temperature sensor 7, second water temperature sensor 8, processor 9, electric heating wire 10, first electric control valve 11, second electric control valve 12, electric control switch 13, Water level sensor 14 , steam valve 15 , water inlet 16 , water outlet 17 , water inlet valve 18 , water valve 19 , first removable valve 20 , second removable valve 21 , third removable valve 22 .

Detailed ways

In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model will be further described below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Embodiment 1, the utility model provides a heat recovery device for an automobile cooling system, referring to FIG. 1, comprising a heat exchanger 1, a vehicle-mounted water tank 2 and a hot water tank 3, wherein the heat exchanger can use the existing heat exchanger, For example, a tubular heat exchanger; the heat exchanger is provided with a first inlet 1-1, a first outlet 1-2, a second inlet 1-3 and a second outlet 1-4, the first inlet and the The first outlet is in communication with the second outlet; the first inlet is in communication with the vehicle-mounted water tank through the first water pipe 4, and the first outlet of the heat exchanger is in communication with the second water pipe 5 It is communicated with the hot water tank; the second water pipe is provided with a water pump 6 .

When the above-mentioned vehicle cooling system heat recovery device is in use, the cooling liquid of the vehicle cooling system enters through the second inlet and is discharged from the second outlet, forming a cycle in the vehicle cooling system, and the water in the vehicle water tank can enter the heat exchanger through the first inlet. , When the car is running, the engine will generate a lot of heat energy, and this heat will be transferred to the cooling liquid, so that the temperature of the cooling liquid will rise, and the cooling liquid after the temperature rise will enter the heat exchange device to circulate and flow, and enter the heat exchange with the first inlet. The water in the heat exchanger exchanges heat, so that the temperature of the water entering the heat exchanger from the first inlet rises. After the temperature of the water entering the heat exchanger from the first inlet rises, start the water pump to make it pass through the first outlet and the second water pipe. into the hot water tank for people to use. The device recovers and utilizes the waste heat of the vehicle cooling system, saves energy, and reduces the burden of vehicle heat dissipation.

As a preferred embodiment, the hot water tank is provided with a temperature control device and an electric heating device, the temperature control device can use an existing device, such as a thermostat, and the electric heating device can use an existing device, For example, electric heating wire or electric heating pipe, etc., after the temperature control device is connected with the electric heating device, it is convenient to control the water temperature in the hot water tank, and when the temperature is lower than the threshold set by people, the hot water in the hot water tank is heated by the electric heating device. Make the water temperature in the hot water tank meet people's needs. In this embodiment, the hot water tank can also be directly replaced by a water heater.

Of course, for ease of use, the vehicle-mounted water tank is provided with a water inlet 16 so as to replenish water to the vehicle-mounted water tank, a water inlet valve 18 is installed on the water inlet, and a water outlet 17 is arranged on the hot water tank. A water outlet valve 19 is installed on the water outlet for the convenience of people. In order to facilitate maintenance, a first removable valve 20 is installed at the position where the first water pipe is connected to the vehicle-mounted water tank; and a second removable valve is installed at the position where the second water pipe is connected to the hot water tank 21; a third detachable valve 22 is installed at the position where the second water pipe is connected to the first outlet, so that the communication of the pipeline can be controlled through the corresponding detachable valve, and the corresponding device can be easily replaced.

As a preferred embodiment, steam valves 15 are installed at the first inlet and the second inlet, and the steam valves can ensure that the air pressure inside the heat exchange device is equal to the outside atmospheric pressure.

Embodiment 2, the utility model provides a heat recovery device for an automobile cooling system, referring to FIG. 2, comprising a heat exchanger 1, a vehicle-mounted water tank 2 and a hot water tank 3, wherein the heat exchanger can use the existing heat exchanger, For example, in a tubular heat exchanger, in this embodiment, the heat exchange of the tubular heat exchanger is realized by using two water pipes to be overlapped with each other, and the inlet and outlet of one of the water pipes are correspondingly the first inlet and the first outlet, The inlet and outlet of the other water pipe are correspondingly the second inlet and the second outlet, and the heat is conducted through the tube wall; the heat exchanger is provided with a first inlet 1-1, a first outlet 1-2, a second outlet An inlet 1-3 and a second outlet 1-4, the first inlet communicates with the first outlet, and the second inlet communicates with the second outlet; the first inlet communicates with the The vehicle-mounted water tank is connected, and the first outlet of the heat exchanger is connected to the hot water tank through a second water pipe 5; the second water pipe is provided with a water pump 6; the hot water tank is provided with a first water temperature sensor 7. The second water temperature sensor 8, the processor 9 and the electric heating wire 10; the first electric control valve 11 is installed on the first water pipe, the second electric control valve 12 is installed on the second water pipe, and the electric heating wire An electric control switch 13 is connected, and the first electric control valve, the second electric control valve, the first water temperature sensor, the second water temperature sensor, the water pump and the electric control switch are respectively connected with the processor; The water level sensor 14 is connected with the processor. In this embodiment, the processor can use the ECU of the car itself, the water temperature sensor can also use an existing temperature sensor, and the electronically controlled switch can also use a relay. Of course, one processor can be used, or one can be set corresponding to each sensor device one by one. , which are well known to those skilled in the art and will not be repeated here.

When the above-mentioned vehicle cooling system heat recovery device is in use, the cooling liquid of the vehicle cooling system enters through the second inlet and is discharged from the second outlet to form a circulation in the vehicle cooling system; Entering the heat exchanger through the first inlet, at this time, the second electronically controlled valve is in a closed state; when the car is running, the engine will generate a lot of heat energy, and this heat will be transferred to the cooling liquid, so that the temperature of the cooling liquid increases, and the temperature rises The high cooling liquid enters the heat exchange device and circulates, and exchanges heat with the water entering the heat exchanger at the first inlet, so that the temperature of the water entering the heat exchanger at the first inlet increases, and the first inlet enters the heat exchanger. When the water temperature rises to a threshold value (generally 50°C), the second water temperature sensor controls the second electronically controlled valve to open through the processor, and controls the water pump to work and controls the first valve to open, and the first inlet enters the heat exchanger. The water is transported into the hot water tank through the first outlet and the second water pipe; when the water level in the hot water tank reaches the threshold value of the water level sensor, the water level sensor controls the water pump to stop through the processor, and controls the second electronically controlled valve and the first valve to close; In the case that there is hot water in the hot water tank, when the first water temperature sensor detects that the water temperature in the hot water tank is lower than the threshold of the first water temperature sensor, the first water temperature sensor controls the electric heating wire to work through the processor to keep the water temperature at Within the preset temperature range, in the process of heating, the heating wire plays a constant temperature function, and consumes very little electric energy, and the hot water tank is generally equipped with an inner tank to increase the heat preservation function, which can play a good heat preservation effect.

Of course, for ease of use, the vehicle-mounted water tank is provided with a water inlet 16 so as to replenish water to the vehicle-mounted water tank, a water inlet valve 18 is installed on the water inlet, and a water outlet 17 is arranged on the hot water tank. A water outlet valve 19 is installed on the water outlet for the convenience of people. In order to facilitate maintenance, a first removable valve 20 is installed at the position where the first water pipe is connected to the vehicle-mounted water tank; and a second removable valve is installed at the position where the second water pipe is connected to the hot water tank 21; a third detachable valve 22 is installed at the position where the second water pipe is connected to the first outlet, so that the communication of the pipeline can be controlled through the corresponding detachable valve, and the corresponding device can be easily replaced.

As a preferred embodiment, steam valves 15 are installed at the first inlet and the second inlet, and the steam valves can ensure that the air pressure inside the heat exchange device is equal to the outside atmospheric pressure.

The above-mentioned embodiments only represent the embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as limiting the scope of the present invention. It should be pointed out that for those of ordinary skill in the art, some modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for this utility model shall be subject to the appended claims.

Claims (8)

1. The heat recovery device of the automobile cooling system is characterized by comprising a heat exchanger (1), a vehicle-mounted water tank (2) and a hot water tank (3);

the heat exchanger is provided with a first inlet (1-1), a first outlet (1-2), a second inlet (1-3) and a second outlet (1-4), the first inlet is communicated with the first outlet, and the second inlet is communicated with the second outlet;

the first inlet is communicated with the vehicle-mounted water tank through a first water pipe (4), and the first outlet of the heat exchanger is communicated with the hot water tank through a second water pipe (5);

and a water pump (6) is arranged on the second water pipe.

2. The heat recovery device of claim 1, wherein the hot water tank is provided with a temperature control device and an electric heating device.

3. The heat recovery device for cooling system of vehicle as claimed in claim 2,

the temperature control device comprises a first water temperature sensor (7), a second water temperature sensor (8) and a processor (9), and the electric heating device is an electric heating wire (10);

install first electric control valve (11) on the first water pipe, install second electric control valve (12) on the second water pipe, the heating wire is connected with electric control switch (13), first electric control valve, second electric control valve, first temperature sensor, second temperature sensor, water pump and electric control switch respectively with the treater is connected.

4. The heat recovery device for cooling system of vehicle as claimed in claim 3,

a water level sensor (14) is arranged on the water tank and is connected with the processor.

5. The heat recovery device of claim 1, wherein the first inlet and the second inlet are provided with steam valves (15).

6. The heat recovery device of claim 1, wherein the vehicle-mounted water tank is provided with a water inlet (16), the hot water tank is provided with a water outlet (17), the water inlet is provided with a water inlet valve (18), and the water outlet is provided with a water outlet valve (19).

7. The heat recovery device of claim 1, wherein a first removable valve (20) is installed at a position where the first water pipe is connected to the on-board water tank;

a second detachable valve (21) is arranged at the position where the second water pipe is connected with the hot water tank;

and a third detachable valve (22) is arranged at the position where the second water pipe is connected with the first outlet.

8. The heat recovery device of claim 1, wherein the heat exchanger is a tubular heat exchanger.

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