CN112832942A - Intelligent temperature control circulating system - Google Patents
Intelligent temperature control circulating system Download PDFInfo
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- CN112832942A CN112832942A CN202110221364.2A CN202110221364A CN112832942A CN 112832942 A CN112832942 A CN 112832942A CN 202110221364 A CN202110221364 A CN 202110221364A CN 112832942 A CN112832942 A CN 112832942A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
- F02N19/10—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines by heating of engine coolants
Abstract
The invention discloses an intelligent temperature control circulating system, which comprises at least one group of constant temperature circulating systems, wherein the constant temperature circulating systems are used for heating and radiating circulating water of a diesel engine to keep the circulating water at a constant temperature all the time and supplying the circulating water to the diesel engine, each constant temperature circulating system comprises a circulating water heating component and a circulating water radiating component which are arranged in parallel, the circulating water heating components and the circulating water radiating components are communicated through a communication pipeline, and the circulating water heating components and the circulating water radiating components are automatically controlled by a control system Air leakage, hot stamping, pipe explosion and the like, and the safety is improved.
Description
Technical Field
The invention belongs to the technical field of circulating constant-temperature water of diesel engines, and particularly relates to an intelligent temperature control circulating system.
Background
The diesel engine used in the drilling equipment is generally used for configuring three diesel engines, and one diesel engine is used for standby when two diesel engines work. In winter in northern China, the other one is also started and runs at low speed to prevent the condition that the other one cannot be started due to icing, or a method of emptying cooling water for stopping use and preheating by using steam is adopted; the low-speed temperature running method causes waste of fuel oil, improves the use cost and shortens the service life of the diesel engine.
At present, most of diesel engines used at present adopt resistance type heating elements to heat circulating water, the heating mode is low in heating efficiency, high in energy consumption, low in heating speed and high in use cost, and an electric heating pipe is in direct contact with water, so that the safety is low, and serious potential safety hazards exist.
In order to solve the problems, a diesel engine circulating water constant temperature device appears on the market, and the device is as follows: 201511013390.7, discloses a diesel engine circulating water constant temperature device, which comprises a diesel engine water outlet pipe and a diesel engine water inlet pipe; the water outlet pipe and the water inlet pipe of the diesel engine are connected with a solar heating device and an electric heating device together, and the solar heating device and the electric heating device are connected in parallel. The solar heating device and the electric heating device are respectively controlled by the automatic controller to automatically switch.
Above-mentioned this kind of current diesel engine circulating water constant temperature equipment adopts solar heating device and electric heater unit synchronous operation to heat the circulating water of diesel engine, makes the circulating water keep constant temperature, but this kind of current diesel engine circulating water constant temperature equipment still adopts the mode of electrical heating to heat the circulating water, and its energy consumption is big, and rate of heating is slow, and use cost is big to electric heating pipe and water direct contact, its security is low, has serious potential safety hazard.
And when adopting this kind of heating methods of above-mentioned to heat the circulating water, because the non-linear on-off control that its temperature controller adopted, cause the temperature fluctuation range of its circulating water great, especially in northern severe cold district, it is the frequent start-stop that causes electric heating pipe more easily to lower when outdoor temperature, make the temperature of circulating water appear too high or the low problem excessively easily, and frequently start-stop extremely big to electric heating pipe's life loss, electric heating pipe damages the back and extremely causes the electric leakage accident easily, and then direct threat equipment and operating personnel's safety, and can not the effectual temperature of control circulating water, reduce the result of use, it is inconvenient to use.
Disclosure of Invention
The invention provides an intelligent temperature control circulating system, which has the advantages of simple integral structure, low energy consumption, high heating speed, complete isolation of an electromagnetic heating coil and circulating water, high safety, adoption of variable-frequency temperature regulation, easy control of heating temperature, maintenance of constant temperature of the circulating water, high integral automation degree and convenient operation, and can realize an anti-icing function when host equipment such as a diesel engine and the like is in a non-working state, namely, the safety of the equipment is ensured by minimum power energy consumption.
In order to solve the technical problems, the invention provides the following technical scheme:
the intelligent temperature control circulating system comprises at least one group of constant temperature circulating system, wherein the constant temperature circulating system is used for heating and radiating circulating water of the diesel engine to enable the circulating water to keep constant temperature all the time and supply the circulating water to the diesel engine, the constant temperature circulating system comprises a circulating water heating assembly and a circulating water radiating assembly which are arranged in parallel, the circulating water heating assembly and the circulating water radiating assembly are communicated through a communicating pipeline, and the circulating water heating assembly and the circulating water radiating assembly are automatically controlled by a control system.
The following is a further optimization of the above technical solution of the present invention:
the circulating water heating assembly comprises a heater for heating circulating water, the heater is an electromagnetic heater, a water inlet of the electromagnetic heater is communicated with a first electromagnetic valve, and a water outlet of the electromagnetic heater is communicated with a first one-way valve.
Further optimization: the circulating water heat dissipation assembly comprises a radiator used for dissipating heat of circulating water with overhigh water temperature, a water vapor emptying valve is arranged on the radiator, a water inlet of the radiator is communicated with a second electromagnetic valve, and a water outlet of the radiator is communicated with a second one-way valve.
Further optimization: the intercommunication pipeline includes drain pipe and liquid return pipe, and the water inlet of drain pipe and the delivery port intercommunication of diesel engine radiator, the delivery port of drain pipe pass through first four-way connection and the other end intercommunication of first solenoid valve and second solenoid valve, and the delivery port of liquid return pipe and the water inlet intercommunication of diesel engine radiator, the water inlet of liquid return pipe pass through the second four-way connection and the other end intercommunication of first check valve and second check valve.
Further optimization: the liquid outlet pipe is sequentially connected with a circulating water outlet ball valve, a water outlet quick connector and an intelligent temperature control circulating pump in series at intervals.
Further optimization: the liquid outlet pipe is provided with a water outlet temperature and pressure transmission integrated sensor for detecting the temperature and the pressure of circulating water in the liquid outlet pipe, and the water outlet temperature and pressure transmission integrated sensor is arranged on the first four-way connector.
Further optimization: the liquid return pipe is provided with a water inlet temperature and pressure transmission integrated sensor for detecting the temperature and the pressure of circulating water in the liquid return pipe, and the water inlet temperature and pressure transmission integrated sensor is arranged on the second four-way connector.
Further optimization: the control system comprises a comprehensive explosion-proof control box, a main controller is installed in the comprehensive explosion-proof control box, and the output ends of the water outlet temperature and pressure transmission integrated sensor and the water inlet temperature and pressure transmission integrated sensor are respectively and electrically connected with the input end of the main controller.
Further optimization: a preset circulating water temperature range parameter is arranged in the main controller, and the circulating water temperature detected by the water outlet temperature pressure transmission integrated sensor and the water inlet temperature pressure transmission integrated sensor is sent into the main controller and then compared with the preset circulating water temperature range parameter.
Further optimization: the control end of intelligence control by temperature change circulating pump, first solenoid valve, electromagnetic heater, second solenoid valve, radiator respectively with main control unit's output electric connection, main control unit output signal is used for controlling intelligence control by temperature change circulating pump, first solenoid valve, electromagnetic heater, second solenoid valve, radiator work respectively.
By adopting the technical scheme, the invention has the advantages of ingenious design and reasonable structure, can respectively heat and radiate the circulating water, ensures that the water temperature of the circulating water is always kept constant, is convenient to control, improves the using effect, adopts the electromagnetic heater to heat the circulating water, has high heating speed and can output hot water within 3 seconds; the thermal efficiency is more than 98%, and the energy-saving effect is more than 30% compared with resistance type electric heating, thereby effectively reducing heat transfer loss, saving operation time and cost, separating water and electricity, solving the safety problem by 100%, avoiding the phenomena of electric leakage, water leakage, air leakage, scalding, pipe explosion and the like, and improving the safety.
And whole degree of automation is high, can detect the temperature of circulating water to heat or dispel the heat to the circulating water according to the temperature of circulating water, make the temperature of circulating water keep invariable temperature always, facilitate the use, and overall structure simple structure, equipment simple to operate can divide into a plurality of units to the circulating water, and adopt multiunit constant temperature circulation system to control the temperature of circulating water, and then can reduce the processing time to the circulating water, improve the processing rate of circulating water, facilitate the use.
The invention is further illustrated with reference to the following figures and examples.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic view of a constant temperature cycle system according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an integrated explosion-proof control box in an embodiment of the invention;
fig. 4 is a schematic diagram of a control system according to an embodiment of the present invention.
In the figure: 1-circulating water outlet ball valve; 2-quick plug of water outlet; 3-intelligent temperature control circulating pump; 4-water outlet temperature pressure transmission integrated sensor; 5-a first solenoid valve; 6-a wiring terminal; 7-an electromagnetic heater; 8-a first one-way valve; 9-a second solenoid valve; 10-a heat sink; 11-a water vapor emptying valve; 12-a second one-way valve; 13-water inlet temperature pressure transmission integrated sensor; 14-water inlet quick connector; 15-circulating water inlet ball valve; 16-connecting a control cabinet cable; 17-comprehensive explosion-proof control box; 18-a wireless transmission module; 19-terminal monitoring system; 20-a liquid outlet pipe; 21-a liquid return pipe; 22-a first four-way joint; 23-a second four-way joint; 24-a master controller; 25-touch screen.
Detailed Description
Example (b): referring to fig. 1-4, the intelligent temperature control circulation system includes at least one set of constant temperature circulation system, the constant temperature circulation system is used for heating and radiating the circulating water of the diesel engine to keep the circulating water at a constant temperature for the diesel engine, the constant temperature circulation system includes a circulating water heating component and a circulating water radiating component which are arranged in parallel, the circulating water heating component and the circulating water radiating component are communicated through a communication pipeline, and the circulating water heating component and the circulating water radiating component are automatically controlled by a control system.
In this embodiment, constant temperature circulation system includes the multiunit, multiunit constant temperature circulation system communicates with the circulating water of diesel engine respectively, the circulating water of diesel engine lets in multiunit constant temperature circulation system respectively in proper order for heat the circulating water, and the temperature of regulation and control circulating water.
Design like this, accessible multiunit constant temperature circulating system can carry out the synchronous heating to the circulating water of diesel engine, makes the circulating water divide into a plurality of units and heats and accuse temperature, and then can reduce the heat time of circulating water, improves the rate of heating of circulating water, facilitates the use.
After the circulating water of the diesel engine is introduced into the constant-temperature circulating system, the circulating water is heated by the circulating water heating assembly, and the circulating water is cooled by the circulating water cooling assembly, so that the circulating water is always kept at a constant temperature, the temperature of the circulating water is convenient to control, and the using effect is improved.
The circulating water heating assembly comprises a heater, the heater is an electromagnetic heater 7, and the electromagnetic heater 7 is used for heating circulating water.
By the design, the electromagnetic heater 7 adopts a high-efficiency induction heating principle, the heat efficiency is more than 98%, and the energy is saved by more than 30% compared with resistance type electric heating, so that the heat transfer loss is effectively reduced, and the operation time and the cost are saved.
And the electromagnetic heater 7 is non-contact heating, water and electricity are separated, the safety problem is solved by 100 percent, and the phenomena of electric leakage, water leakage, air leakage, scalding, pipe explosion and the like which endanger the personal safety of the traditional heater can be avoided.
The electromagnetic heater 7 is provided with a wiring terminal 6, and the wiring terminal 6 is electrically connected with an external power supply.
The water inlet of the electromagnetic heater 7 is communicated with a first electromagnetic valve 5, and the first electromagnetic valve 5 is used for controlling the on-off of the water inlet of the electromagnetic heater 7.
The water outlet of the electromagnetic heater 7 is communicated with a first one-way valve 8, and the first one-way valve 8 is used for controlling the flow direction of the water outlet of the electromagnetic heater 7.
The first check valve 8 can prevent water with heavy communication pipelines from flowing back to the electromagnetic heater 7.
By the design, the first electromagnetic valve 5 can be used for opening the water inlet of the electromagnetic heater 7 to enable circulating water in the communication pipeline to enter the electromagnetic heater 7, the electromagnetic heater 7 works to heat the circulating water at the moment, and then the circulating water in the electromagnetic heater 7 is output through the water outlet and the first one-way valve 8 and is supplied to a diesel engine for use.
In this embodiment, the electromagnetic heater 7 is a set of variable frequency control electromagnetic heater, and the variable frequency control electromagnetic heater has a high overall heating speed, is easy to control the heating temperature, and is energy-saving and environment-friendly.
The circulating water heat dissipation assembly comprises a radiator 10, a water vapor emptying valve 11 is arranged on the radiator 10, and the radiator 10 is used for dissipating heat of circulating water with overhigh water temperature.
The water inlet of the radiator 10 is communicated with a second electromagnetic valve 9, and the second electromagnetic valve 9 is used for controlling the on-off of the water inlet of the radiator 10.
The water outlet of the radiator 10 is communicated with a second one-way valve 12, and the second one-way valve 12 is used for controlling the flow direction of the water outlet of the radiator 10.
Design like this, when the temperature of the inside circulating water of communicating pipe way was too high, can open second check valve 12, the circulating water in the communicating pipe way got into in radiator 10 through second check valve 12 this moment, radiator 10 dispels the heat to this too high circulating water of temperature this moment, and then can realize further controlling the temperature of circulating water, makes the temperature of circulating water keep invariable, and then the circulating water in the radiator 10 passes through delivery port and the output of second check valve 12 to supply for the diesel engine and use.
In this embodiment, the heat sink 10 is a high-efficiency variable-frequency control heat sink, and the heat dissipation efficiency of the high-efficiency variable-frequency control heat sink is high.
The communicating pipeline comprises a liquid outlet pipe 20 and a liquid return pipe 21, a water inlet of the liquid outlet pipe 20 is communicated with a water outlet of the diesel engine radiator, and a water outlet of the liquid outlet pipe 20 is communicated with the other ends of the first electromagnetic valve 5 and the second electromagnetic valve 9 through a first four-way joint 22.
The water outlet of the liquid return pipe 21 is communicated with the water inlet of the diesel engine radiator, and the water inlet of the liquid return pipe 21 is communicated with the other ends of the first check valve 8 and the second check valve 12 through a second four-way joint 23.
By the design, circulating water in the diesel engine radiator can be conveyed into the liquid outlet pipe 20 through the water outlet, at the moment, the circulating water in the liquid outlet pipe 20 is conveyed into the first four-way joint 22, and at the moment, the circulating water in the liquid outlet pipe 20 can be respectively and correspondingly conveyed into the electromagnetic heater 7 or the radiator 10 through the control of the first electromagnetic valve 5 and the second electromagnetic valve 9.
Circulating water output from the electromagnetic heater 7 or the radiator 10 can be delivered to the liquid return pipe 21 through the second four-way joint 23, and then the circulating water is delivered to the radiator of the diesel engine through the guidance of the liquid return pipe 21.
And the liquid outlet pipe 20 is sequentially connected with a circulating water outlet ball valve 1, a water outlet quick connector 2 and an intelligent temperature control circulating pump 3 in series at intervals.
And the circulating water outlet ball valve 1 is used for controlling the on-off of a water outlet of the diesel engine radiator.
The quick water outlet connector 2 can be used for quickly communicating the liquid outlet pipe 20 with a water outlet of a diesel engine radiator.
Intelligence control by temperature change circulating pump 3 is used for providing power for the circulation of drain pipe 20 internal circulating water, 3 work of intelligence control by temperature change circulating pump are used for the circulating water in the suction diesel engine radiator and the pressurization is carried to the drain pipe 20 in.
The outlet pipe 20 is provided with an outlet water temperature detection assembly for detecting the temperature of circulating water in the liquid pipe 20, the outlet water temperature detection assembly comprises an outlet water temperature pressure transmission integrated sensor 4, and the outlet water temperature pressure transmission integrated sensor 4 is installed on the first four-way joint 22.
The water outlet temperature pressure transmission integrated sensor 4 is used for detecting the temperature of circulating water in the liquid pipe 20 and the pressure of the circulating water.
Design like this, the integrative sensor 4 of accessible delivery port temperature biography pressure is used for detecting out the temperature and the pressure of the interior circulating water of liquid pipe 20, facilitates the use.
The liquid return pipe 21 is sequentially connected with a circulating water inlet ball valve 15 and a water inlet quick connector 14 in series at intervals.
And the circulating water inlet ball valve 15 is used for controlling the on-off of a water inlet of the diesel engine radiator.
The water inlet quick connector 14 can be used for quickly communicating the liquid return pipe 21 with the water inlet of the diesel engine radiator.
The return pipe 21 is provided with a return water temperature detection assembly for detecting the temperature of the circulating water in the return pipe 21, the return water temperature detection assembly comprises a water inlet temperature pressure transmission integrated sensor 13, and the water inlet temperature pressure transmission integrated sensor 13 is installed on a second four-way joint 23.
The water inlet temperature and pressure transmission integrated sensor 13 is used for detecting the temperature of circulating water entering the liquid return pipe 21 and the pressure of the circulating water, and is convenient to use.
Design like this, when using, its circulating water is carried to the drain pipe 20 in from the delivery port of diesel engine through circulating water export ball valve 1, the quick connector 2 of delivery port and by intelligent control by temperature change circulating pump 3 with higher speed, pressurization.
At this time, the water outlet temperature and pressure transmission integrated sensor 4 and the water inlet temperature and pressure transmission integrated sensor 13 are used for detecting the temperature and the pressure of the circulating water in the liquid pipe 20 and the liquid return pipe 21, and the first electromagnetic valve 5 or the second electromagnetic valve 9 is opened in real time according to the set temperature of the circulating water, and the circulating water can enter the electromagnetic heater 7 or the radiator 10 at this time.
After the circulating water enters the electromagnetic heater 7, the electromagnetic heater 7 can raise the water temperature of the circulating water, and after the circulating water enters the radiator 10, the radiator 10 can lower the water temperature of the circulating water.
The final purpose of keeping the temperature of the circulating water constant is achieved by controlling the cooperative work of the first electromagnetic valve 5, the second electromagnetic valve 9, the electromagnetic heater 7 and the radiator 10.
The control system comprises a comprehensive explosion-proof control box 17, a main controller 24 is installed in the comprehensive explosion-proof control box 17, and the output ends of the water outlet temperature pressure transmission integrated sensor 4 and the water inlet temperature pressure transmission integrated sensor 13 are respectively electrically connected with the input end of the main controller 24.
The temperature and the pressure of the circulating water in the liquid outlet pipe 20 and the circulating water in the liquid return pipe 21, which are detected by the water outlet temperature and pressure transmission integrated sensor 4 and the water inlet temperature and pressure transmission integrated sensor 13, are sent to the main controller 24.
A preset circulating water temperature range parameter is arranged in the main controller 24, and the circulating water temperature detected by the water outlet temperature and pressure transmission integrated sensor 4 and the water inlet temperature and pressure transmission integrated sensor 13 is sent into the main controller 24 and then compared with the preset circulating water temperature range parameter.
The control ends of the intelligent temperature control circulating pump 3, the first electromagnetic valve 5, the electromagnetic heater 7, the second electromagnetic valve 9 and the radiator 10 are respectively electrically connected with the output end of the main controller 24.
And the main controller 24 outputs signals for respectively controlling the intelligent temperature control circulating pump 3, the first electromagnetic valve 5, the electromagnetic heater 7, the second electromagnetic valve 9 and the radiator 10 to work.
So design, after intelligent control by temperature change circulation system starts, its initial working process is: main control unit 24 control intelligence control by temperature change circulating pump 3, first solenoid valve 5, electromagnetic heater 7 starts, the circulating water gets into in drain pipe 20 from the delivery port of diesel engine this moment, and accelerate by intelligence control by temperature change circulating pump 3, carry to first four way connection 22 after the pressurization in, the circulating water gets into electromagnetic heater 7 through first solenoid valve 5 this moment, electromagnetic heater 7 heats the circulating water, then get into liquid return pipe 21 through first check valve 8 and second four way connection 23, then make the circulating water backward flow to in the radiator of diesel engine through the guide of liquid return pipe 21.
The temperature of the circulating water in the liquid pipe 20 is detected by the water outlet temperature and pressure transmission integrated sensor 4 in real time, when the temperature of the circulating water in the liquid outlet pipe 20 is lower than a set circulating water temperature range parameter, the main controller 24 controls the first electromagnetic valve 5 and the electromagnetic heater 7 to be started according to a preset program, the circulating water enters the electromagnetic heater 7 to be heated, the heated circulating water flows through the first one-way valve 8 and the second four-way joint 23 to enter the liquid return pipe 21, and then the circulating water is guided into a radiator of the diesel engine by the liquid return pipe 21;
in this process, the second electromagnetic valve 9 is closed to prevent the circulating water in the liquid outlet pipe 20 from entering the radiator 10, and the second check valve 12 is closed to prevent the heated circulating water from entering the radiator 10.
When the temperature of the circulating water in the liquid outlet pipe 20 detected by the water outlet temperature and pressure transmission integrated sensor 4 is larger than a set circulating water temperature range parameter, the main controller 24 controls the second electromagnetic valve 9 and the radiator 10 to start according to a preset program, the circulating water enters the radiator 10 to dissipate heat, the dissipated circulating water flows through the second four-way joint 23 of the second one-way valve 12 and enters the liquid return pipe 21, and then the liquid return pipe 21 guides the circulating water to the radiator of the diesel engine;
and the main controller 24 controls the variable frequency controller of the radiator 10 to work according to a preset program, so that the fan of the radiator 10 works according to the variable frequency power supply, and the use is convenient.
In the process, the main controller 24 controls the first electromagnetic valve 5 to close, so that the circulating water in the liquid outlet pipe 20 does not enter the electromagnetic heater 7, and the first check valve 8 is in a closed state in order to prevent the circulating water after heat dissipation from entering the electromagnetic heater 7.
The main controller 24 can simultaneously control the start of multiple groups of constant temperature circulation systems according to requirements, so that the multiple groups of constant temperature circulation systems execute work.
And a main controller 24 in the comprehensive explosion-proof control box 17 is electrically connected with the corresponding constant-temperature circulating system through a connecting control cabinet cable 16.
The output end of the main controller 24 is connected with a wireless transmission module 18, the wireless transmission module 18 is connected with a mobile phone client and a duty room terminal monitoring device, and the main controller 24 is used for transmitting real-time monitoring data to a terminal monitoring system 19 through the wireless transmission module 18.
The terminal monitoring system 19 comprises a mobile phone client and a terminal monitoring device in a duty room.
The output of main control unit 24 can also adopt wired transmission, wired transmission is communication end RS485 mouth or RJ45 network socket on the main control unit 24 and the interface of the terminal supervisory equipment of on duty through signal transmission line connection, main control unit 24 transmits real time monitoring data for the terminal supervisory equipment of on duty.
By the design, the main controller 24 can transmit real-time monitoring data to the mobile phone client and the terminal monitoring equipment in the duty room through the wireless transmission module 18, so that the use is convenient.
The input end of the main controller 24 is electrically connected with a power switch, a start selection switch, a start switch and a stop switch.
The power switch, the starting selection switch, the starting switch and the stopping switch are respectively and fixedly arranged on the comprehensive explosion-proof control box 17.
The power switch is a master switch and is used for controlling whether the intelligent temperature control circulating system is connected with an external power supply.
The starting selection switch can manually select one group of constant-temperature circulating systems to start.
The starting switch is used for controlling whether the intelligent temperature control circulating system is started or not.
The stop switch is used for controlling whether the intelligent temperature control circulating system stops or not.
The output end of the main controller 24 is electrically connected with a circulation system running state indicator lamp, a power indicator lamp and a circulation system fault indicator lamp respectively.
The number of the circulating system running state indicating lamps is the same as that of the groups of the constant-temperature circulating systems, and one circulating system running state indicating lamp is used for indicating the motion state of the corresponding constant-temperature circulating system.
So configured, the main controller 24 sends a control signal when one of the thermostatic circulation systems is in operation. And controlling a circulation system running state indicator lamp corresponding to the constant-temperature circulation system to be lightened, wherein the running state indicator lamp represents that the constant-temperature circulation system is running.
After the power switch is started, the main controller 24 sends out a control signal to control the power indicator lamp to light up, and at the moment, the intelligent temperature control circulating system is connected with a power supply and can work normally.
When the constant temperature circulation system fails, the main controller 24 sends an alarm signal to control the circulation system fault indicator lamp to light up, which represents that the constant temperature circulation system fails.
The input end and the output end of the main controller 24 are electrically connected with a touch screen 25 in a two-way mode, and the touch screen 25 can display working state parameters in real time and is used for inputting and modifying water temperature, water pressure and working power supply frequency parameters to the main controller 24.
The touch screen 25 is fixedly arranged on the comprehensive explosion-proof control box 17.
The touch screen 25 is conventional and available from the market directly, and the communication connection between the touch screen 25 and the main controller 24 is also conventional.
The main controller 24 is the prior art, can adopt controllers such as a PLC main controller, a single chip microcomputer and the like, and can be directly purchased and obtained in the market.
When the intelligent temperature control circulating system is used, after the intelligent temperature control circulating system is started, the initial working process is as follows: main control unit 24 control intelligence control by temperature change circulating pump 3, first solenoid valve 5, electromagnetic heater 7 starts, the circulating water gets into in drain pipe 20 from the delivery port of diesel engine this moment, and accelerate by intelligence control by temperature change circulating pump 3, carry to first four way connection 22 after the pressurization in, the circulating water gets into electromagnetic heater 7 through first solenoid valve 5 this moment, electromagnetic heater 7 heats the circulating water, then get into liquid return pipe 21 through first check valve 8 and second four way connection 23, then make the circulating water backward flow to in the radiator of diesel engine through the guide of liquid return pipe 21.
And the temperature and the pressure of the circulating water in the liquid pipe 20 are detected by the water outlet temperature and pressure transmission integrated sensor 4 in real time, when the temperature of the circulating water in the liquid outlet pipe 20 is lower than a set circulating water temperature range parameter, the main controller 24 controls the first electromagnetic valve 5 and the electromagnetic heater 7 to be started according to a preset program, so that the circulating water enters the electromagnetic heater 7 to be heated, the heated circulating water flows through the first check valve 8 and the second four-way joint 23 to enter the liquid return pipe 21, and then the circulating water is guided into a radiator of the diesel engine by the liquid return pipe 21.
In this process, the second electromagnetic valve 9 is in a closed state to prevent the circulating water in the liquid outlet pipe 20 from entering the radiator 10, and the second one-way valve 12 is in a closed state to prevent the heated circulating water from entering the radiator 10.
When the temperature of the circulating water in the liquid outlet pipe 20 detected by the water outlet temperature and pressure transmission integrated sensor 4 is larger than the set circulating water temperature range parameter, the main controller 24 controls the second electromagnetic valve 9 and the radiator 10 to start according to a preset program, at the moment, the circulating water enters the radiator 10 to dissipate heat, the dissipated circulating water flows through the second four-way joint 23 of the second one-way valve 12 to enter the liquid return pipe 21, and then the liquid return pipe 21 guides the circulating water to the radiator of the diesel engine.
And the main controller 24 controls the variable frequency controller of the radiator 10 to work according to a preset program, so that the fan of the radiator 10 works according to the variable frequency power supply, and the use is convenient.
In this process, the main controller 24 controls the first electromagnetic valve 5 to close, so that the circulating water in the liquid outlet pipe 20 does not enter the electromagnetic heater 7, and the first one-way valve 8 is in a closed state, so that the circulating water after heat dissipation can be prevented from entering the electromagnetic heater 7.
The main controller 24 can simultaneously control the start of multiple groups of constant temperature circulation systems according to requirements, so that the multiple groups of constant temperature circulation systems execute work.
The circulating water is heated by the electromagnetic heater 7 and is radiated by the radiator 10, so that the circulating water is kept at a constant temperature all the time, the control is convenient, and the use effect is improved.
It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims.
Claims (10)
1. Intelligence control by temperature change circulation system, its characterized in that: the constant-temperature circulation system is used for heating and radiating circulating water of the diesel engine to enable the circulating water to keep constant temperature all the time and supply the circulating water to the diesel engine, the constant-temperature circulation system comprises a circulating water heating assembly and a circulating water radiating assembly which are arranged in parallel, the circulating water heating assembly and the circulating water radiating assembly are communicated through a communicating pipeline, and the circulating water heating assembly and the circulating water radiating assembly are automatically controlled by a control system.
2. The intelligent temperature controlled circulation system of claim 1, wherein: the circulating water heating assembly comprises a heater for heating circulating water, the heater is an electromagnetic heater (7), a water inlet of the electromagnetic heater (7) is communicated with a first electromagnetic valve (5), and a water outlet of the electromagnetic heater (7) is communicated with a first one-way valve (8).
3. The intelligent temperature controlled circulation system of claim 2, wherein: the circulating water heat dissipation assembly comprises a radiator (10) used for dissipating heat of circulating water with overhigh water temperature, a water vapor emptying valve (11) is arranged on the radiator (10), a water inlet of the radiator (10) is communicated with a second electromagnetic valve (9), and a water outlet of the radiator (10) is communicated with a second one-way valve (12).
4. The intelligent temperature controlled circulation system of claim 3, wherein: the communicating pipe comprises a liquid outlet pipe (20) and a liquid return pipe (21), the water inlet of the liquid outlet pipe (20) is communicated with the water outlet of the diesel engine radiator, the water outlet of the liquid outlet pipe (20) is communicated with the other ends of the first electromagnetic valve (5) and the second electromagnetic valve (9) through a first four-way joint (22), the water outlet of the liquid return pipe (21) is communicated with the water inlet of the diesel engine radiator, and the water inlet of the liquid return pipe (21) is communicated with the other ends of the first check valve (8) and the second check valve (12) through a second four-way joint (23).
5. The intelligent temperature controlled circulation system of claim 4, wherein: the liquid outlet pipe (20) is sequentially connected with a circulating water outlet ball valve (1), a water outlet quick connector (2) and an intelligent temperature control circulating pump (3) in series at intervals.
6. The intelligent temperature controlled circulation system of claim 5, wherein: the liquid outlet pipe (20) is provided with a water outlet temperature and pressure transmission integrated sensor (4) for detecting the temperature and the pressure of circulating water in the liquid outlet pipe (20), and the water outlet temperature and pressure transmission integrated sensor (4) is arranged on the first four-way connector (22).
7. The intelligent temperature controlled circulation system of claim 6, wherein: the liquid return pipe (21) is provided with a water inlet temperature and pressure transmission integrated sensor (13) for detecting the temperature and the pressure of circulating water in the liquid return pipe (21), and the water inlet temperature and pressure transmission integrated sensor (13) is arranged on the second four-way joint (23).
8. The intelligent temperature controlled circulation system of claim 7, wherein: the control system comprises a comprehensive explosion-proof control box (17), a main controller (24) is installed in the comprehensive explosion-proof control box (17), and the output ends of the water outlet temperature pressure transmission integrated sensor (4) and the water inlet temperature pressure transmission integrated sensor (13) are respectively electrically connected with the input end of the main controller (24).
9. The intelligent temperature controlled circulation system of claim 8, wherein: a preset circulating water temperature range parameter is arranged in the main controller (24), and the circulating water temperature detected by the water outlet temperature pressure transmission integrated sensor (4) and the water inlet temperature pressure transmission integrated sensor (13) is sent into the main controller (24) and then compared with the preset circulating water temperature range parameter.
10. The intelligent temperature controlled circulation system of claim 9, wherein: the intelligent temperature control circulating pump (3), the first electromagnetic valve (5), the electromagnetic heater (7), the second electromagnetic valve (9) and the radiator (10) are respectively electrically connected with the output end of the main controller (24), and the main controller (24) outputs signals to respectively control the intelligent temperature control circulating pump (3), the first electromagnetic valve (5), the electromagnetic heater (7), the second electromagnetic valve (9) and the radiator (10) to work.
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Application publication date: 20210525 |