CN111927613B - Novel power station heat dissipation system and heat dissipation method thereof - Google Patents
Novel power station heat dissipation system and heat dissipation method thereof Download PDFInfo
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- CN111927613B CN111927613B CN202010781909.0A CN202010781909A CN111927613B CN 111927613 B CN111927613 B CN 111927613B CN 202010781909 A CN202010781909 A CN 202010781909A CN 111927613 B CN111927613 B CN 111927613B
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- temperature
- diesel engine
- controller
- working environment
- pipeline loop
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
- F01P11/16—Indicating devices; Other safety devices concerning coolant temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
- F02B63/04—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for electric generators
Abstract
The invention discloses a novel power station heat dissipation system which is characterized by comprising a controller, a generator, a diesel engine and a fan, wherein the heat dissipation system is arranged between the diesel engine) and the fan; temperature early warning information is recorded into in the controller, and this controller goes up still electric connection has audible-visual annunciator, the radiator fan is installed to the generator one side of keeping away from the diesel engine. The invention solves the problem of poor heat dissipation effect of the heat dissipation device of the power station in the prior design.
Description
Technical Field
The invention relates to the technical field of power station heat dissipation, in particular to a novel power station heat dissipation system and a heat dissipation method thereof.
Background
The diesel engine can generate a large amount of heat during operation, and if the problem of heat dissipation inside is not solved, many adverse effects can be caused, such as: the power of the machine set is reduced, the machine set stops suddenly, the machine set emits peculiar smell, smoke is not smooth, black smoke and the like. Therefore, the heat generated by the diesel engine needs to be dissipated by a heat dissipation system, so that the temperature in the diesel engine cannot rise to a high level to affect the work of equipment. Due to the fact that the internal structure of the diesel engine is complex, the method has the advantages of incomplete heat dissipation, low efficiency and low obvious heat dissipation effect.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a novel power station heat dissipation system and solves the problem of poor heat dissipation effect of the conventional designed power station heat dissipation device.
In order to achieve the purpose, the invention adopts the technical scheme that:
a novel power station heat dissipation system is characterized by comprising a controller, a generator, a diesel engine and a fan, wherein the heat dissipation system is arranged between the diesel engine and the fan, a temperature sensor is also arranged in the diesel engine, and the temperature sensor is electrically connected with the controller; temperature early warning information is recorded into in the controller, and this controller goes up still electric connection has audible-visual annunciator, the radiator fan is installed to the generator one side of keeping away from the diesel engine.
Preferably, cooling system includes liquid storage pot, water pump and water pipe set, the liquid storage pot is installed in the fan top, and this liquid storage pot is the storage to have circulating liquid, still install level indicator on the liquid storage pot, two water inlets and two return water mouths have still been seted up to one side on this liquid storage pot, water inlet and return water mouth form the pipe connection with the diesel engine through water pipe set respectively, the inside pipeline set of diesel engine forms a little circulating line return circuit, form a big circulating line return circuit through water pipe set between diesel engine and the fan, install the temperature saver on the big circulating line return circuit, the liquid flow on the steerable big circulating line return circuit of aperture of temperature saver, the water pump is installed in the diesel engine and is connected with water pipe set.
Preferably, the temperature early warning information is divided into a normal temperature working environment, a high temperature working environment and an ultrahigh temperature working environment, and when the controller judges the normal temperature working environment, the small circulation pipeline loop is started; when the controller judges the high-temperature working environment, the small circulation pipeline loop and the large circulation pipeline loop are started simultaneously; when the controller judges that the working environment is in an ultrahigh temperature working environment, the diesel engine starts emergency stop protection; starting and stopping protection of a working large circulation pipeline loop; the controller judges that the temperature value fed back by the temperature sensor starts the temperature monitoring device under the condition of overlong braking.
Preferably, the normal-temperature working environment is that the temperature of the diesel engine fed back by the temperature sensor is less than 84 ℃; the high-temperature working environment is that the temperature of the diesel engine fed back by the temperature sensor is between 84 ℃ and 98 ℃; the ultrahigh-temperature working environment is that the temperature of the diesel engine fed back by the temperature sensor is more than 98 ℃;
preferably, the circulating liquid is an antifreeze.
A heat dissipation method of a novel power station heat dissipation system comprises the following steps:
the heat dissipation process of the heat dissipation system comprises the following steps:
firstly, adding an antifreezing solution into a liquid storage tank, controlling the adding amount of the antifreezing solution through a liquid level indicator to ensure that circulating liquid in a heat dissipation system is guaranteed, then starting and operating a generator and a diesel engine, simultaneously starting a cooling fan and a temperature sensor, and sensing the internal temperature of the diesel engine by the temperature sensor in real time; when the temperature sensed by the temperature sensor is lower than 84 ℃, the controller receives a signal and makes a normal-temperature working environment judgment signal, and the controller controls the water pump to be started and drives the small circulation pipeline loop to be started; the antifreeze liquid circulates in the small circulation pipeline loop, so that part of heat in the diesel engine is taken away; when the temperature sensed by the temperature sensor reaches 84 ℃, the controller judges that the working environment is high-temperature, and then the step two is carried out;
step two, when the controller judges that the working environment is high temperature, the controller sends a signal to enable the small circulation pipeline loop and the large circulation pipeline loop to be started simultaneously; at the moment, the opening degree of a thermostat on the large circulation pipeline loop is correspondingly adjusted along with the change of temperature, the higher the temperature in the high-temperature working environment is, the larger the opening degree is, the heat in the diesel engine is taken away by heat absorption, temperature rise and flow of the circulation liquid in the small circulation pipeline loop and the large circulation pipeline loop, the circulation liquid after heat absorption and temperature rise flows through the fan through the large circulation pipeline loop, and is blown, radiated and cooled under the action of the fan for next circulation, when the temperature in the diesel engine is reduced to be less than 84 ℃ through the simultaneous working and cooling of the small circulation pipeline loop and the large circulation pipeline loop, the large circulation pipeline loop is closed at the moment, and the first step is repeated; when the small circulation pipeline loop and the large circulation pipeline loop work simultaneously, the temperature in the diesel engine still continuously rises, and when the temperature reaches 98 ℃, the controller judges that the working environment is an ultrahigh-temperature working environment, and then the third step is carried out;
and step three, when the controller judges that the working environment is the ultra-high temperature working environment, the alarm starts audible and visual alarm until the controller sends a signal to stop the whole power generation device for protection.
The controller is electrically connected with the audible and visual alarm, when the temperature in the diesel engine is too high, the audible and visual alarm gives an alarm until the power generation device stops to protect, so that the diesel engine is prevented from working in an overheated environment to damage equipment in case that the stop protection function fails. The thermostat is installed on the large circulation pipeline loop, the opening of the thermostat can control the liquid flow on the large circulation pipeline loop, the opening of the thermostat can be designed according to the temperature inside the diesel engine through the thermostat, and waste of resources can be avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a perspective view of the present invention;
in the figure: 1. the device comprises a controller 11, an audible and visual alarm 2, a generator 21, a cooling fan 3, a diesel engine 4, a fan 5, a liquid storage tank 6, a water inlet 7 and a water return port.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The novel power station heat dissipation system shown in fig. 1-3 is characterized by comprising a controller 1, a generator 2, a diesel engine 3 and a fan 4, wherein the heat dissipation system is installed between the diesel engine 3 and the fan 4, a temperature sensor is also installed inside the diesel engine 3, the temperature sensor senses the temperature in the diesel engine in real time to perform a monitoring function, and the temperature sensor is electrically connected with the controller 1; temperature early warning information is recorded into in the controller 1, and this controller 1 goes up still electric connection has audible-visual annunciator 11, and when the temperature of diesel engine the inside was too high, audible-visual annunciator 11 can pass through audible-visual alarm, until power generation facility shutdown protection, prevents in case shutdown protection function failure, and the diesel engine is worked under overheated environment and is leaded to the equipment to damage, one side that diesel engine 3 was kept away from to generator 2 is installed radiator fan 21. The heat dissipation system is used for heat dissipation of the generator 2 in work, the heat dissipation system comprises a liquid storage tank 5, a water pump and a water pipe assembly, the water pipe assembly is composed of a plurality of slender water pipes, the liquid storage tank 5 is installed above the fan 4, circulating liquid is stored in the liquid storage tank 5, a liquid level indicator is further installed on the liquid storage tank 5, the adding amount of the liquid in the liquid storage tank 5 can be observed conveniently through the liquid level indicator, meanwhile, the liquid storage tank 5 is higher than the diesel engine 3, two water inlets 6 and two water return ports 7 are further formed in one side of the liquid storage tank 5, the water inlets 6 and the water return ports 7 are respectively in pipe connection with the two groups of diesel engines 3 through the water pipe assembly, the pipeline assembly inside the diesel engine 3 forms a small circulating pipeline loop, a large circulating pipeline loop is formed between the diesel engine 3 and the fan 4 through the water pipe assembly, and a thermostat is installed on the large circulating pipeline loop, the opening of the thermostat can control the liquid flow on the large circulation pipeline loop, and the opening of the thermostat can be designed according to the temperature in the diesel engine 3 by designing the thermostat, so that the waste of resources can be avoided; the water pump is installed in the diesel engine 3 and is connected with the water pipe assembly. The temperature early warning information is divided into a normal-temperature working environment, a high-temperature working environment and an ultrahigh-temperature working environment, and when the controller 1 judges the normal-temperature working environment, a small circulation pipeline loop is started; when the controller 1 judges the high-temperature working environment, the small circulation pipeline loop and the large circulation pipeline loop are started simultaneously; when the controller 1 judges the ultrahigh-temperature working environment, the diesel engine 3 starts the emergency stop protection; starting and stopping protection of a working large circulation pipeline loop; the controller 1 judges that the temperature value fed back by the temperature sensor starts the temperature monitoring device 3 under the condition of overlong braking. The normal-temperature working environment is that the temperature of the diesel engine 3 fed back by the temperature sensor is less than 84 ℃; the high-temperature working environment is that the temperature of the diesel engine 3 fed back by the temperature sensor is between 84 ℃ and 98 ℃; the ultrahigh-temperature working environment is that the temperature of the diesel engine 3 fed back by the temperature sensor is more than 98 ℃; the circulating liquid is an antifreezing solution. By adding the antifreeze, the heat dissipation failure caused by the fact that a heat dissipation system and spalling occur due to icing in the machine body in severe winter can be prevented, a plurality of additives are added into the antifreeze, the generation of scale can be effectively reduced, the descaling effect is achieved, substances such as scale and the like generated by the heat dissipation system are avoided, the heat dissipation effect is reduced, meanwhile, the antifreeze has an anti-rust function, and the service life of the machine set can be prolonged.
A heat dissipation method of a novel power station heat dissipation system comprises the following steps:
the heat dissipation process of the heat dissipation system comprises the following steps:
firstly, adding an antifreezing solution into a liquid storage tank 5, controlling the adding amount of the antifreezing solution through a liquid level indicator to ensure that circulating liquid in a heat dissipation system is guaranteed, then starting and operating a generator 2 and a diesel engine 3, simultaneously starting a heat dissipation fan 21 and a temperature sensor, and sensing the internal temperature of the diesel engine 3 by the temperature sensor in real time; when the temperature sensed by the temperature sensor is lower than 84 ℃, the controller 1 receives a signal and makes a normal-temperature working environment judgment signal, and the controller 1 controls the water pump to be started and drives the small circulation pipeline loop to be started; the antifreeze circulates in the small circulation pipeline loop, so that part of heat in the diesel engine 3 is taken away; when the temperature sensed by the temperature sensor reaches 84 ℃, the controller 1 judges that the working environment is a high-temperature working environment, and then the step two is carried out;
step two, when the controller 1 judges that the working environment is high-temperature, the controller 1 sends a signal to enable the small circulation pipeline loop and the large circulation pipeline loop to be started simultaneously; at the moment, the opening degree of a thermostat on the large circulation pipeline loop is correspondingly adjusted along with the change of temperature, the higher the temperature in the high-temperature working environment is, the larger the opening degree is, the heat absorption, the temperature rise and the flow of the circulation liquid in the small circulation pipeline loop and the large circulation pipeline loop are to take away the heat in the diesel engine 3, the circulation liquid after the heat absorption and the temperature rise flows through the fan 4 through the large circulation pipeline loop, the air blowing, the heat dissipation and the temperature reduction are carried out for the next circulation under the action of the fan 4, when the temperature in the diesel engine 3 simultaneously works and the temperature reduction is lower than 84 ℃ through the small circulation pipeline loop and the large circulation pipeline loop, the large circulation pipeline loop is closed at the moment, and the first step is repeated; when the small circulation pipeline loop and the large circulation pipeline loop work simultaneously, the temperature in the diesel engine 3 still continuously rises, and when the temperature reaches 98 ℃, the controller 1 judges that the working environment is an ultrahigh-temperature working environment, and then the third step is carried out;
and step three, when the controller 1 judges that the working environment is the ultra-high temperature working environment, the alarm 11 starts audible and visual alarm until the controller 1 sends a signal to stop the whole power generation device for protection.
According to the invention, temperature early warning information is recorded in the controller 1, the temperature early warning information is divided into a normal-temperature working environment, a high-temperature working environment and an ultrahigh-temperature working environment, the normal-temperature working environment is that the temperature in the diesel engine 3 is less than 84 ℃, the temperature does not cause damage to internal structural devices of the diesel engine 3, only an internal small circulation pipeline loop needs to be started for heat dissipation, the high-temperature working environment is that the temperature in the diesel engine is less than 84-98 ℃, the temperature is still in a range borne by the internal structural devices of the diesel engine 3, at the moment, the small circulation pipeline loop and the large circulation pipeline loop need to be started simultaneously to increase the heat dissipation strength, the circulating liquid after heat absorption is blown and dissipated by the fan 4 for next circulation use, the internal temperature environment of the diesel engine 3 is reduced to the normal-temperature working environment as far as possible, and then the step one is repeated; the ultrahigh-temperature working environment is that the temperature in the diesel engine 3 is higher than 98 ℃, the temperature reaches the bearing limit of internal structural devices of the diesel engine, if the diesel engine is not shut down immediately to reduce heat, the internal structure of the diesel engine 3 is likely to be damaged, and therefore an emergency stop protection instruction needs to be designed.
The above-described embodiments are illustrative of the present invention and not restrictive, it being understood that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (1)
1. The heat dissipation method of the novel power station heat dissipation system is characterized by comprising a controller (1), a generator (2), a diesel engine (3) and a fan (4), wherein the heat dissipation system is installed between the diesel engine (3) and the fan (4), a temperature sensor is also installed inside the diesel engine (3), and the temperature sensor is electrically connected with the controller (1); temperature early warning information is recorded in the controller (1), an audible and visual alarm (11) is electrically connected to the controller (1), a cooling fan (21) is installed on one side, far away from the diesel engine (3), of the generator (2), the cooling system comprises a liquid storage tank (5), a water pump and a water pipe assembly, the liquid storage tank (5) is installed above the fan (4), circulating liquid is stored in the liquid storage tank (5), a liquid level indicator is further installed on the liquid storage tank (5), two water inlets (6) and two water return ports (7) are further formed in one side of the liquid storage tank (5), the water inlets (6) and the water return ports (7) are respectively connected with the diesel engine (3) through the water pipe assembly to form a pipeline, a small circulating pipeline loop is formed in the internal pipeline assembly of the diesel engine (3), and a large circulating pipeline loop is formed between the diesel engine (3) and the fan (4) through the water pipe assembly, the temperature early warning system comprises a large circulation pipeline loop, a water pump, a controller (1) and a small circulation pipeline loop, wherein the large circulation pipeline loop is provided with a thermostat, the opening of the thermostat can control the liquid flow on the large circulation pipeline loop, the water pump is arranged in a diesel engine (3) and is connected with a water pipe assembly, the temperature early warning information comprises a normal-temperature working environment, a high-temperature working environment and an ultrahigh-temperature working environment, and the small circulation pipeline loop is started when the controller (1) judges the normal-temperature working environment; when the controller (1) judges that the high-temperature working environment exists, the small circulation pipeline loop and the large circulation pipeline loop are started simultaneously; when the controller (1) judges the ultrahigh-temperature working environment, the diesel engine (3) starts the emergency stop protection; starting and stopping protection of a working large circulation pipeline loop; the controller (1) judges that the temperature value fed back by the temperature sensor starts the temperature monitoring device under the condition of ultralong braking, and the normal-temperature working environment is that the temperature sensor feeds back that the temperature of the diesel engine (3) is less than 84 ℃; the high-temperature working environment is that the temperature of the diesel engine (3) fed back by the temperature sensor is between 84 ℃ and 98 ℃; the ultrahigh-temperature working environment is that the temperature of the diesel engine (3) fed back by a temperature sensor is higher than 98 ℃, and the circulating liquid is an antifreezing solution;
the heat dissipation process of the heat dissipation system comprises the following steps:
firstly, adding an antifreezing solution into a liquid storage tank (5), controlling the adding amount of the antifreezing solution through a liquid level indicator to ensure that circulating liquid in a heat dissipation system is guaranteed, then starting and operating a generator (2) and a diesel engine (3), simultaneously starting a cooling fan (21) and a temperature sensor, and sensing the internal temperature of the diesel engine (3) by the temperature sensor in real time; when the temperature sensed by the temperature sensor is lower than 84 ℃, the controller (1) receives a signal and makes a normal-temperature working environment judgment signal, and the controller (1) controls the water pump to be started and drives the small circulation pipeline loop to be started; the antifreeze liquid circulates in the small circulation pipeline loop, so that part of heat in the diesel engine (3) is taken away; when the temperature sensed by the temperature sensor reaches 84 ℃, the controller (1) judges that the working environment is a high-temperature working environment, and then the step two is carried out;
step two, when the controller (1) judges that the working environment is high in temperature, the controller (1) sends a signal to enable the small circulation pipeline loop and the large circulation pipeline loop to be started simultaneously; at the moment, the opening degree of a thermostat on the large circulation pipeline loop is correspondingly adjusted along with the change of temperature, the higher the temperature in a high-temperature working environment is, the larger the opening degree is, the heat absorption, the temperature rise and the flow of the circulation liquid in the small circulation pipeline loop and the large circulation pipeline loop are to take away the heat in the diesel engine (3), the circulation liquid after the heat absorption and the temperature rise flows through the fan (4) through the large circulation pipeline loop, the air is blown to dissipate heat and reduce the temperature under the action of the fan (4) for next circulation, when the temperature in the diesel engine (3) simultaneously works through the small circulation pipeline loop and the large circulation pipeline loop and reduces the temperature to be less than 84 ℃, the large circulation pipeline loop is closed at the moment, and the first step is repeated; when the small circulation pipeline loop and the large circulation pipeline loop work simultaneously, the temperature in the diesel engine (3) still continuously rises, and when the temperature reaches 98 ℃, the controller (1) judges that the working environment is an ultrahigh-temperature working environment, and then the third step is carried out;
and step three, when the controller (1) judges that the working environment is the ultra-high temperature working environment, the alarm (11) starts audible and visual alarm until the controller (1) sends a signal to stop the whole power generation device for protection.
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| CN202010781909.0A CN111927613B (en) | 2020-08-06 | 2020-08-06 | Novel power station heat dissipation system and heat dissipation method thereof |
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| CN202010781909.0A CN111927613B (en) | 2020-08-06 | 2020-08-06 | Novel power station heat dissipation system and heat dissipation method thereof |
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| CN111927613B true CN111927613B (en) | 2022-04-22 |
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| CN105275605A (en) * | 2015-10-19 | 2016-01-27 | 上海金鹏科技有限公司 | Rare-earth permanent magnet ultra-silence diesel generating set for range extender of battery electric vehicle |
| JP2017222305A (en) * | 2016-06-17 | 2017-12-21 | 株式会社明電舎 | Movable power source car |
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