CN109026336B - Auxiliary cooling method for automobile engine - Google Patents

Auxiliary cooling method for automobile engine Download PDF

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Publication number
CN109026336B
CN109026336B CN201811015460.6A CN201811015460A CN109026336B CN 109026336 B CN109026336 B CN 109026336B CN 201811015460 A CN201811015460 A CN 201811015460A CN 109026336 B CN109026336 B CN 109026336B
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water
engine
kettle
cooling
water pump
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CN109026336A (en
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曹金成
吴华君
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Guangzhou Qiying Mechanical And Electrical Equipment Co ltd
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Guangzhou Qiying Mechanical And Electrical Equipment Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P9/00Cooling having pertinent characteristics not provided for in, or of interest apart from, groups F01P1/00 - F01P7/00
    • F01P9/02Cooling by evaporation, e.g. by spraying water on to cylinders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/14Indicating devices; Other safety devices
    • F01P11/18Indicating devices; Other safety devices concerning coolant pressure, coolant flow, or liquid-coolant level
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01PCOOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P9/00Cooling having pertinent characteristics not provided for in, or of interest apart from, groups F01P1/00 - F01P7/00
    • F01P9/06Cooling having pertinent characteristics not provided for in, or of interest apart from, groups F01P1/00 - F01P7/00 by use of refrigerating apparatus, e.g. of compressor or absorber type

Abstract

The invention discloses an auxiliary cooling method for an automobile engine, belonging to the technical field of engine cooling, and comprising auxiliary cooling equipment arranged in the engine, wherein the auxiliary cooling equipment comprises a kettle, a water pump, a time-delay disconnection switch, a temperature controller, a water temperature sensor, a normally closed relay, a heat dissipation plate and a spray head, the engine comprises an engine cooling water tank, a water pipe, a cooling water pipe, a compressor, an air-conditioning evaporator and an air-conditioning switch, the water inlet end of the water pump penetrates through the kettle and is positioned in the kettle, the automobile engine can be recovered to be normal in a short time under an abnormally high temperature by utilizing the principle of physical cooling of human body burning when the automobile engine is used on the automobile engine, the quick temporary cooling can be realized, the normal operation of the engine can be ensured, the endurance time of the automobile can be greatly prolonged, the universality is strong, and the, the loss of the vehicle due to overheating of the engine can be greatly reduced.

Description

Auxiliary cooling method for automobile engine
Technical Field
The invention relates to the technical field of engine cooling, in particular to an auxiliary cooling method for an automobile engine.
Background
The automobile engine is an engine for providing power for an automobile, is the heart of the automobile and influences the dynamic property, the economical efficiency and the environmental protection property of the automobile, common gasoline engines and common diesel engines belong to reciprocating piston type internal combustion engines, the chemical energy of fuel is converted into the mechanical energy of piston motion and the power is output outwards, the temperature of an engine body can be very high when the engine works, heat dissipation is needed, engine cooling water tank cooling systems are generally used, when the engine cooling systems are abnormal, the water temperature is too high, the engine is overheated, if the engine is not cooled timely, the engine continues to operate, the engine can be damaged, serious economic loss and maintenance troubles are caused, and the use value of the automobile can be greatly reduced.
In the Chinese patent with publication number CN107013307A, a compact water inlet and outlet device for an automobile engine is disclosed, the temperature of cooling liquid can be monitored by a water temperature sensor, when the temperature of the cooling liquid is higher, an air conditioning cold air pipe can be opened to act together with a cooling water tank of a heat dissipation engine, and the cooling effect of the cooling liquid is improved; when the cooling liquid is insufficient, the cooling liquid can be automatically added in time through a liquid adding water pump, so that the cooling effect is guaranteed; the cooling liquid can be recovered by a recovery water pump after being used for a period of time and is updated by a liquid feeding water pump. In the chinese invention patent with publication number CN107503836A, an automobile condensed water recycling device is disclosed, which can cool the air conditioner core through a circulating water pipe; the condensed water stores the condensed water discharged by the engine cooling water tank mobile phone, and a submersible pump is arranged at the bottom of the condensed engine cooling water tank and is pressurized by the submersible pump to provide cooling water for the hub and the engine cooling water tank; when the water quantity of the cooling water tank of the engine is insufficient, a driver can control the on-off of the submersible pump to ensure the most needed water consumption.
Although the technical schemes of the two invention patents achieve the effect of better cooling and radiating the automobile engine, the radiating effect is essentially enhanced mainly by adding or updating the cooling water, and the mode is easily limited by the temperature of the cooling water and the cooling water tank of the cooling engine, so that the quick radiating effect cannot be realized in a short time.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide an auxiliary cooling method for an automobile engine, which is used on the automobile engine by utilizing the principle of physical cooling of human body fever, so that the automobile engine can be recovered to be normal in a short time at an abnormally high temperature, rapid temporary cooling can be realized, the normal operation of the engine can be ensured, the endurance time of the automobile can be greatly prolonged, the universality is strong, the installation and maintenance are convenient, and the loss of the automobile caused by the overheating of the engine can be greatly reduced.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An auxiliary cooling method for an automobile engine comprises the following steps:
s1, guiding the air-conditioning water to a water kettle by using a recovery pipe, and enabling the water kettle to be used for containing the air-conditioning water;
s2, installing a water pump on one side of the water kettle, extending the water inlet end of the water pump into the bottom of the water kettle, connecting the water outlet end of the water pump with a spray head through a water pipe, and fixedly connecting the spray head at a position which can spray water on the engine cooling water tank;
s3, a heat dissipation plate is connected between the water pump and the spray head, so that water in the kettle can reach the spray head through the heat dissipation plate, and the heat dissipation plate is fixedly connected to a position close to the air-conditioning evaporator;
s4, fixedly connecting a water temperature sensor to the surface of a water pipe of a cooling water tank of the engine, connecting a temperature controller and the water temperature sensor in series, and connecting a delay disconnection switch between the temperature controller and a water pump in series;
s5, connecting a normally closed relay between the water pump and the automobile power supply in series, wherein the normally closed relay is connected with the water pump, the delay disconnection switch and the temperature controller in series and is controlled by the air conditioner switch;
s6, after the circuit is installed, the water temperature detected by the water temperature sensor on the water pipe exceeds a set temperature, the temperature controller is triggered, the water pump circuit is communicated, and the air conditioner circuit is communicated;
s7, the water pump circuit starts to work after being communicated, and the water pump pumps water in the kettle into the spray head, wherein the water passes through the heat dissipation plate;
s8, after the air conditioning circuit is communicated, the air conditioning evaporator starts to work to radiate heat for the heat radiating plate, and the temperature of water in the heat radiating plate is reduced;
and S9, spraying the cooled water on the surface of the engine cooling water tank by the spray head, and starting evaporation under the high-temperature action of the engine cooling water tank, wherein a large amount of heat is taken away during evaporation, so that the rapid cooling of the engine cooling water tank can be realized.
Furthermore, a limit switch related to the water level is installed on the kettle, when the water level is lower than the height of the water pump, the limit switch is switched on, the normally closed relay coil supplies power, the normally closed relay switch is switched off, and a circuit of the water pump is switched off, so that the water level in the kettle can be prevented from being too low, and the water pump is prevented from idling.
Furthermore, the water temperature sensor is connected with a water temperature alarm lamp in series, so that the condition of water temperature can be visually judged.
Further, the heating panel is the copper pipe heating panel, and installs by the air conditioner evaporimeter, and the cost is lower and the radiating effect is better, installs by the air conditioner evaporimeter be convenient for the air conditioner evaporimeter for the heating panel heat dissipation.
Furthermore, the kettle is a beijing e130 wiper water spraying kettle assembly, can meet the requirement and has strong universality.
Further, temperature controller is 12V miniature temperature controller, accords with most car battery voltage, and the commonality is good, water temperature sensor is m8E type temperature sensor, can satisfy the demand and the cost is lower, and is comparatively common.
Furthermore, the delay disconnection switch is a 12V delay disconnection switch, the voltage of the delay disconnection switch is consistent with that of most automobile storage batteries, the universality is good, and a fuse is connected in series between the water pump and the normally closed relay, so that the safety of a circuit can be protected.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the automobile engine cooling device utilizes the principle of physical cooling of human body fever, is used on an automobile engine, utilizes the water pump to spray water on the high-temperature engine cooling water tank, can quickly evaporate the water under the high-temperature action of the engine cooling water tank, takes away a large amount of heat during evaporation, simultaneously cools the sprayed water through the air conditioner evaporator in the automobile, reduces the temperature of the water, is more beneficial to cooling the engine cooling water tank, can ensure that the automobile engine can be recovered to be normal in a short time at an abnormally high temperature, and can realize quick temporary cooling; in the prior art, the engine is cooled only by circulating water of the engine cooling water tank, the engine works for a long time, so that the water temperature in the engine cooling water tank rises, and the heat dissipation effect on the engine is directly influenced;
(2) the water level-related limit switch is mounted on the kettle, when the water level is lower than the height of the water pump, the limit switch works and is switched on, the normally closed relay coil supplies power, the normally closed relay switch is switched off, the water pump circuit is switched off, the water level in the kettle can be prevented from being too low, and the water pump is prevented from idling.
Drawings
Fig. 1 is a schematic diagram of the structural principle of the present invention.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1, an auxiliary cooling device for an automobile engine comprises an auxiliary cooling device installed inside the engine, wherein the auxiliary cooling device comprises a kettle, a water pump, a time-delay disconnection switch, a temperature controller, a water temperature sensor, a normally closed relay, a cooling plate and a nozzle, and the engine comprises an engine cooling water tank, a water pipe, a cooling water pipe, a compressor, an air conditioner evaporator and an air conditioner switch.
Wherein the functions of each device are as follows: the water kettle is used for storing water to be used and recovering air conditioning water, and can provide water for the wiper to spray water; the water pump supplies water to the spray head, the water pump is connected with the copper pipe heat dissipation plate, the temperature controller is used for controlling the water pump and the spray head to supply power, and when the water temperature exceeds a set temperature, a control circuit of the temperature controller is connected with the time-delay power-off switch and the water pump in series; the water temperature sensor is arranged on the outer surface of the water pipe and used for detecting water temperature and providing a trigger signal for the work of the temperature controller when the water temperature of the engine exceeds a standard value; the time delay power-off switch is responsible for controlling the water spraying time of the water pump, and controlling the water pump and the spray head to work according to the set time, so that the cooling system is prevented from being excessively cooled; the copper pipe heat dissipation plate is arranged beside the air-conditioning evaporator and used for cooling water in the sprinkling can and then sending the cooled water to the spray head; the air conditioner water recovery system recovers air conditioner water (cold water) to the sprinkling can to ensure the water source of the sprinkling can.
The end of intaking of water pump runs through the kettle and is located the inside of kettle, the kettle is bei qi e130 windscreen wiper watering can assembly, can satisfy the demand and the commonality is stronger, be connected with the recovery tube between air conditioner evaporimeter and the kettle, the copper pipe heating panel is by air conditioner evaporimeter, be used for sending the shower nozzle to after the water cooling of watering can, and air conditioner water accessible recovery tube gets into the kettle, install the limit switch relevant with the water level on the kettle, when the surface of water is less than the water pump height, limit switch work switch-on, the power supply of normally closed relay coil, the disconnection of normally closed relay switch, water pump circuit opens circuit, can prevent that the water liquid level in the kettle from crossing excessively, prevent that the water.
The water temperature sensor is fixedly connected to the outer surface of the water pipe, the spray head is arranged at a position right facing a cooling water tank of an engine, a heat dissipation plate is connected between the spray head and the water outlet end of the water pump, the heat dissipation plate is a copper pipe heat dissipation plate, the cost is low, the heat dissipation effect is good, the normally closed relay is connected with the water pump, the delay disconnection switch and the temperature controller in series and is controlled by the air conditioner switch, a fuse is connected between the water pump and the normally closed relay in series, the safety of a circuit can be protected, the delay disconnection switch is a 12V delay disconnection switch which is consistent with the voltage of most automobile storage batteries and has good universality, a power supply of the temperature controller is connected with the water temperature sensor in series, the water temperature sensor can control the temperature controller to work, the delay disconnection switch is responsible for controlling the water spraying time of the, can satisfy the demand and the cost is lower, and is comparatively common, and temperature sensor establishes ties has the temperature alarm lamp, can judge the condition of temperature directly perceived, and temperature controller is 12V miniature temperature controller, accords with most car battery voltage, and the commonality is good.
When the engine cooling system is abnormal, the water temperature detected by the water temperature sensor exceeds the set temperature, the auxiliary cooling system starts to work, the air conditioning circuit is opened, the electromagnetic clutch of the compressor works, the air conditioning system starts to refrigerate, the water level is higher than that of the water pump, the limit switch does not work, the normally closed relay is closed, the water pump circuit is switched on, the temperature controller starts to work, the time delay power-off switch is switched on according to the set time control circuit, the spray head starts to spray water, the water sprayed by the spray head is just sprayed on the surface of the engine cooling water tank, evaporation is started under the action of high temperature of the engine cooling water tank, and a large amount of heat is taken.
The delayed power-off switch control circuit finishes working within a set time, or the temperature sensor detects the temperature and sends a signal to the temperature controller, and when the temperature detected by the water temperature sensor is reduced to a normal value, the system stops working.
In order to prevent the water level in the kettle from being too low, when the water level is lower than the height of the water pump, the limit switch works and is switched on, the normally closed relay coil supplies power, the normally closed relay switch is switched off, the circuit of the water pump is switched off, and the water pump is prevented from idling.
The cooling method comprises the following steps:
firstly, triggering a temperature controller when the water temperature detected by a water temperature sensor on a water pipe exceeds a set temperature, communicating a water pump circuit and an air conditioner circuit;
secondly, the water pump circuit starts to work after being communicated, and the water pump pumps water in the kettle into the spray head, wherein the water passes through the heat dissipation plate;
thirdly, the air conditioner evaporator starts to work after the air conditioner circuit is communicated, so that heat is dissipated for the heat dissipation plate, and the temperature of water in the heat dissipation plate is reduced;
fourthly, the cooled water is sprayed on the surface of the engine cooling water tank by the spray head and starts to evaporate under the high-temperature action of the engine cooling water tank, and a large amount of heat is taken away during evaporation, so that the rapid cooling of the engine cooling water tank can be realized.
Example 2:
the mounting in the engine can also be carried out according to the following steps:
step one, a water kettle is not required to be replaced by a Beiqi e130 wiper water spraying kettle assembly, but a new water kettle is directly installed at an idle position of an engine, so that the trouble of modifying the water kettle is avoided, a proper amount of purified water is added into the water kettle, air-conditioning water is guided to the water kettle by using a recovery pipe, and the water kettle is used for containing the air-conditioning water;
step two, installing a water pump on one side of the water kettle, extending a water inlet end of the water pump into the bottom of the water kettle, connecting a water outlet end of the water pump with a spray head through a water pipe, and fixedly connecting the spray head at a position which can spray water on a cooling water tank of the engine;
thirdly, a heat dissipation plate is connected between the water pump and the spray head, the heat dissipation plate can be formed by coiling a common water pipe, and then a metal sheet or a metal rod is fixed at a position close to the air-conditioning evaporator, so that water in the kettle can reach the spray head through the heat dissipation plate, the mounting difficulty can be greatly reduced, the cost can be saved, the number of joints is small, and the water leakage is not easy to occur;
certainly, the heat dissipation plate can be selected not to be used according to actual conditions, water in the kettle is directly sprayed on the surface of the engine cooling water tank through the water pipe by the water pump, a good effect can be achieved by means of evaporation heat dissipation of the water, when the heat dissipation plate is not used, the heat insulation plate can be wrapped outside the kettle, the water temperature in the kettle is prevented from rising due to the temperature in the engine, and therefore the heat dissipation effect is influenced;
step four, fixedly connecting a water temperature sensor to the surface of a water pipe of a cooling water tank of the engine, connecting a temperature controller and the water temperature sensor in series, connecting a delay disconnection switch between the temperature controller and a water pump in series, controlling the water spraying time of the water pump by the delay disconnection switch, and controlling the water pump and a spray head to work according to set time to prevent the cooling system from being excessively cooled, wherein the set time can be 3 minutes;
connecting a normally closed relay between the water pump and the automobile power supply in series, wherein the normally closed relay is connected with the water pump, the delay disconnection switch and the temperature controller in series and is controlled by the air conditioner switch;
after the circuit is installed, the water temperature detected by a water temperature sensor on the water pipe exceeds a set temperature, a temperature controller is triggered, a water pump circuit is communicated, and an air conditioner circuit is communicated; the water pump circuit starts to work after being communicated, and the water pump pumps water in the kettle into the spray head, wherein the water passes through the heat dissipation plate; after the air conditioning circuit is communicated, the air conditioning evaporator starts to work to radiate heat for the heat radiating plate, so that the temperature of water in the heat radiating plate is reduced; the cooled water is sprayed on the surface of the engine cooling water tank by the spray head and starts to evaporate under the high-temperature action of the engine cooling water tank, and a large amount of heat is taken away during evaporation, so that the rapid cooling of the engine cooling water tank can be realized.
The auxiliary cooling equipment comprises a kettle, a water pump, a time delay disconnection switch, a temperature controller, a water temperature sensor, a normally closed relay, a heat dissipation plate and a spray head, wherein the engine comprises an engine cooling water tank, a water pipe, a cooling water pipe, a compressor, an air conditioning evaporator and an air conditioning switch, the water inlet end of the water pump penetrates through the kettle and is positioned in the kettle, a recovery pipe is connected between the air conditioning evaporator and the kettle, air conditioning water can enter the kettle through the recovery pipe, the water temperature sensor is fixedly connected with the outer surface of the water pipe, the spray head is arranged at a position right facing the engine cooling water tank, a heat dissipation plate is connected between the spray head and the water outlet end of the water pump, the normally closed relay is connected with the water pump, the time delay disconnection switch and the temperature controller in series, and is controlled by an air conditioner switch, a power supply of the temperature controller is connected with a water temperature sensor in series, and the water temperature sensor can control the temperature controller to work.
Wherein the functions of each device are as follows: the water temperature sensor is arranged on the outer surface of the water pipe and used for detecting water temperature and providing a trigger signal for the work of the temperature controller when the water temperature of the engine exceeds a standard value; the temperature controller is used for controlling the water pump and the spray head to supply power, and when the water temperature exceeds a set temperature, the temperature controller control circuit is connected with the time-delay power-off switch and the water pump in series; the water kettle is used for storing water to be used and recovering air-conditioning water; the water pump supplies water to the spray head, the water delivery pipe can be selected to be coiled at a position close to the air-conditioning evaporator, so that the air-conditioning evaporator can conveniently cool water in the water delivery pipe, the time delay power-off switch is responsible for controlling the water spraying time of the water pump, the water pump and the spray head are controlled to work according to set time, and the cooling system is prevented from being excessively cooled; the copper pipe heat dissipation plate is arranged beside the air-conditioning evaporator and used for cooling water in the sprinkling can and then sending the cooled water to the spray head; the air conditioner water recovery system recovers air conditioner water cold water to the sprinkling can, and ensures a water source of the sprinkling can.
According to the scheme, water is sprayed on the high-temperature engine cooling water tank by the water pump, the water can be rapidly evaporated under the high-temperature action of the engine cooling water tank, a large amount of heat is taken away while evaporation is carried out, and meanwhile, the sprayed water is cooled by the air conditioner evaporator in the automobile, so that the temperature of the water is reduced, the cooling of the engine cooling water tank is facilitated, the automobile engine can be recovered to be normal in a short time at an abnormally high temperature, and rapid and temporary cooling can be realized; in the prior art, the engine is cooled only by circulating water of the engine cooling water tank, the engine works for a long time, the water temperature in the engine cooling water tank can rise, the heat dissipation effect on the engine is directly influenced, the technology for dissipating heat of the engine cooling water tank is not available in the prior art, the engine can only be stopped or heat dissipation can be realized by changing and adding cold water, the two methods are inconvenient, the scheme can realize automatic cooling of the engine cooling water tank, the improvement on a heat dissipation system of an automobile is not needed, the engine cooling water tank is cooled physically fundamentally, the normal operation of the engine is ensured, the endurance time of the automobile can be greatly prolonged, the universality is strong, the installation and the maintenance are convenient, and the loss of the automobile caused by overheating of the engine can be greatly reduced.
The foregoing is only a preferred embodiment of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.

Claims (5)

1. An auxiliary cooling method for an automobile engine is characterized in that: the method comprises the following steps:
s1, guiding the air-conditioning water to a water kettle by using a recovery pipe, and enabling the water kettle to be used for containing the air-conditioning water;
s2, installing a water pump on one side of the water kettle, extending the water inlet end of the water pump into the bottom of the water kettle, connecting the water outlet end of the water pump with a spray head through a water pipe, and fixedly connecting the spray head at a position which can spray water on the engine cooling water tank;
s3, a heat dissipation plate is connected between the water pump and the spray head, so that water in the kettle can reach the spray head through the heat dissipation plate, and the heat dissipation plate is fixedly connected to a position close to the air-conditioning evaporator;
s4, fixedly connecting a water temperature sensor to the surface of a water pipe of a cooling water tank of the engine, connecting a temperature controller and the water temperature sensor in series, and connecting a delay disconnection switch between the temperature controller and a water pump in series;
s5, connecting a normally closed relay between the water pump and the automobile power supply in series, wherein the normally closed relay is connected with the water pump, the delay disconnection switch and the temperature controller in series and is controlled by the air conditioner switch;
s6, after the circuit is installed, triggering a temperature controller when the water temperature detected by a water temperature sensor on a water pipe exceeds a set temperature, communicating a water pump circuit and an air conditioner circuit;
s7, the water pump circuit starts to work after being communicated, and the water pump pumps water in the kettle into the spray head, wherein the water passes through the heat dissipation plate;
s8, after the air conditioning circuit is communicated, the air conditioning evaporator starts to work to radiate heat for the heat radiating plate, and the temperature of water in the heat radiating plate is reduced;
and S9, spraying the cooled water on the surface of the engine cooling water tank by the spray head, and starting evaporation under the high-temperature action of the engine cooling water tank, wherein a large amount of heat is taken away during evaporation, so that the rapid cooling of the engine cooling water tank can be realized.
2. The auxiliary cooling method for the automobile engine according to claim 1, characterized in that: and a limit switch related to the water level is arranged on the kettle.
3. The auxiliary cooling method for the automobile engine according to claim 1, characterized in that: the water temperature sensor is connected in series with a water temperature alarm lamp.
4. The auxiliary cooling method for the automobile engine according to claim 1, characterized in that: the heat dissipation plate is a copper pipe heat dissipation plate and is arranged beside the air-conditioning evaporator.
5. The auxiliary cooling method for the automobile engine according to claim 1, characterized in that: the delay disconnection switch is a 12V delay disconnection switch, and a fuse is connected in series between the water pump and the normally closed relay.
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