CN108332421B - Heat exchange system for realizing intelligent constant temperature by adopting cold source control method and control method - Google Patents
Heat exchange system for realizing intelligent constant temperature by adopting cold source control method and control method Download PDFInfo
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- CN108332421B CN108332421B CN201810132930.0A CN201810132930A CN108332421B CN 108332421 B CN108332421 B CN 108332421B CN 201810132930 A CN201810132930 A CN 201810132930A CN 108332421 B CN108332421 B CN 108332421B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/0208—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply
- F24H7/0233—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply the transfer fluid being water
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/04—Heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
Abstract
The invention relates to a liquid heating technology, and discloses a heat exchange system and a control method for realizing intelligent constant temperature by adopting a cold source control method, which solve the problem that the temperature of the liquid of beverage machines such as the prior water dispenser needs to be adjusted manually, the heat exchange system for realizing the intelligent constant temperature by adopting the cold source control method comprises a heating system, a heat exchange system and a liquid inlet pipe which sequentially passes through the heat exchange system and the heating system and is used for leading in the liquid to be heated, one end of the liquid inlet pipe, which extends out of the heating system, is connected with a hot liquid pipe and a warm liquid pipe, the warm liquid pipe passes through the heat exchange system and exchanges heat of the high-temperature liquid in the warm liquid pipe into the medium-temperature liquid by the heat exchange system, the liquid inlet pipe is connected with a temperature control branch pipe, two ends of the temperature control branch pipe are respectively connected with the front section and the, the effect of automatically adjusting the temperature of the liquid.
Description
Technical Field
The invention relates to a liquid heating technology, in particular to a heat exchange system for realizing intelligent constant temperature by adopting a cold source control method and a control method for realizing the intelligent constant temperature heat exchange system by adopting the cold source control method.
Background
Firstly, various direct drinking water equipment products on the market can not really avoid the situations of raw water, yin-yang water, boiling water and the like by adopting various heating modes, can not avoid secondary pollution to drinking water caused by materials and manufacturing processes, and can not be ensured in the aspects of safety and sanitation.
Secondly, most of water dispensers in the market are heat storage type water dispensers, most of the water dispensers do not have a pipeline sterilization function, secondary pollution exists in the water dispensers, dust in the air carries a large number of microorganisms to enter the inside of the water dispensers, air ports and drain ports easily form dead corners, and bacteria can enter the inside of the water dispensers in the water discharging process. In addition, the water storage tank of the water dispenser generally has 'stale water', and bacteria are accelerated to breed in more than three days, and the stale water is also the place where the bacteria are most easily bred and ignored. The water nozzle, the heating liner, the water storage tank and the pipeline are contacted with the air for a long time, bacteria are easy to breed, particularly the bacteria are easy to breed under the use environment of warm boiled water, and the warm boiled water in the drinking water industry is almost unqualified in sampling and detecting in actual use. If the water is drunk for a long time, intestinal diseases can occur at any time, and the health of the human body is damaged. Particularly, the temperature of warm boiled water has a great temperature difference with the temperature of the warm boiled water outlet of a heat exchanger with a fixed heat exchange area caused by the difference of the tap water temperature in four seasons, and the water temperature is regulated by manually regulating a water mixing valve in the market, so that the ideal requirement cannot be met.
Disclosure of Invention
The invention aims to provide a heat exchange system for realizing intelligent constant temperature by adopting a cold source control method, which has the effect of automatically adjusting the temperature of liquid according to different environments.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides an adopt cold source control method to realize homothermal heat transfer system of intelligence, includes heating system, heat transfer system, just is used for leading-in the feed liquor pipe of treating the heating fluid through heat transfer system and heating system in proper order, and one of feed liquor pipe extension heating system is served and is connected with hot liquid pipe and warm liquid pipe, warm liquid pipe passes heat transfer system and becomes the warm liquid through heat transfer system with the inside high-temperature liquid heat transfer of warm liquid pipe, be connected with the accuse temperature on the feed liquor pipe and divide the pipe, the accuse temperature divides the pipe both ends to connect respectively in feed liquor pipe anterior segment and back end through heat transfer system, is provided with on the feed liquor pipe and adjusts the solenoid valve that treats the heating fluid and get into to heating system through heat transfer system or directly through.
By adopting the structure, the liquid inlet pipe is positioned at the front section and the rear section of the heat exchange system and directly connected through the temperature control branch pipe, the electromagnetic valve can control the flow direction of the liquid to be heated, and the liquid to be heated is directly introduced into the heating system for heating or is conveyed into the heating system for heating through the heat exchange system, so that the required liquid temperature can be automatically adjusted, and the intelligent constant temperature effect is achieved; when the heating device is started, the electromagnetic valve is controlled by the control system to communicate the temperature control branch pipe with the liquid inlet pipe, so that the liquid to be heated directly enters the heating system to be heated, high-temperature liquid after heating directly washes the liquid in the warm liquid pipe and the hot liquid pipe, and meanwhile, because low-temperature liquid does not pass through the liquid inlet pipe in the heat exchange system, the heat of the liquid in the warm liquid pipe is absorbed by the heat exchange system, so that the liquid in the warm liquid pipe is in a high-temperature state, and the high-temperature liquid is discharged through the outlet ends of the warm liquid pipe and the hot liquid pipe, so that the warm liquid pipe and the hot liquid pipe are disinfected at high temperature, the health and the hygiene of subsequent liquid are ensured, and the. .
More preferably: the electromagnetic valve adopts a two-position three-way electromagnetic valve and is arranged at the joint of the temperature control branch pipe and the front section of the displacement heat exchange system of the liquid inlet pipe; the control system includes:
the driving module is used for controlling the opening and closing of the two-position three-way electromagnetic valve;
the time detection module is used for detecting the opening and closing duration time of the two-position three-way electromagnetic valve;
and the control unit is used for controlling the working state of the driving module.
Adopt above-mentioned structure, export the enabling signal to drive module through the control unit, drive module is exporting the enabling signal to two three way solenoid valves, make its two three way solenoid valves switch back and forth between the both ends that the intercommunication accuse temperature is in the branch pipe or the intercommunication feed liquor pipe is located heat transfer system, and then through the time module, detect the duration of opening and close of controlling two three way solenoid valves, make it control two three-way valves according to the temperature of warm liquid and continuously communicate the time that accuse temperature is in the branch pipe or the intercommunication feed liquor pipe is located heat transfer system's both ends, reach intelligent accuse temperature and the sterile effect of blowdown.
More preferably: the electromagnetic valve comprises a first electromagnetic valve and a second electromagnetic valve, the first electromagnetic valve is positioned between the front section of the heat exchange system and the temperature control branch pipe of the liquid inlet pipe, and the second electromagnetic valve is positioned on the temperature control branch pipe; the control system includes:
the driving module is used for controlling the opening and closing of the first electromagnetic valve and the second electromagnetic valve;
the time detection module is used for detecting the opening and closing duration time of the first electromagnetic valve and the second electromagnetic valve;
and the control unit is used for controlling the working state of the driving module.
By adopting the structure, the control unit outputs a starting signal to the driving module, the driving module outputs a starting signal to the first electromagnetic valve or the second electromagnetic valve, so that the second electromagnetic valve or the first electromagnetic valve is switched back and forth between the two ends of the heat exchange system when being communicated with the temperature control branch pipe or the liquid inlet pipe, and the opening and closing duration time of the second electromagnetic valve is detected by the time detection module, so that the time for the second electromagnetic valve to continuously communicate the temperature control air pipe and the liquid inlet pipe is controlled according to the required disinfection time of the temperature control liquid pipe; and then after the disinfection, the time detection module reaches a certain time, and output signals are given to the control unit, and then the drive module closes the second electromagnetic valve and opens the first electromagnetic valve, so that the liquid to be heated passes through the heat exchange system and the heating system through the liquid inlet pipe, and normal work is carried out, and the effect of intelligent temperature control is achieved.
More preferably: the electromagnetic valves comprise a first proportional electromagnetic valve and a second proportional electromagnetic valve, the first proportional electromagnetic valve is positioned between the liquid inlet pipe and the front section of the heat exchange system and the temperature control branch pipe, and the second proportional electromagnetic valve is positioned on the temperature control branch pipe; the control system includes:
the driving module is used for controlling the opening and closing of the first proportional solenoid valve and the second proportional solenoid valve;
the time detection module is used for detecting the opening and closing duration time of the first proportional solenoid valve and the second proportional solenoid valve;
and the control unit is used for controlling the working state of the driving module.
By adopting the structure, the control unit outputs a starting signal to the driving module, the driving module outputs a starting signal to the proportional solenoid valve I or the proportional solenoid valve II, so that the proportional solenoid valve II or the proportional solenoid valve I can be switched back and forth between the two ends of the communicated temperature control branch pipe or the two ends of the communicated liquid inlet pipe, and the opening and closing duration time of the proportional solenoid valve II is detected and controlled by the time detection module, so that the time for the proportional solenoid valve II to continuously communicate the temperature control air pipe and the liquid inlet pipe is controlled according to the required time for disinfecting the temperature control liquid pipe; after the disinfection is finished, the time detection module outputs a signal to the control unit when a certain time is up, and then the driving module closes the proportional solenoid valve II and opens the proportional solenoid valve I, so that the liquid to be heated passes through the heat exchange system and the heating system through the liquid inlet pipe to normally work; and then through the proportion solenoid valve, can be simultaneously according to the certain proportion with waiting to heat the liquid from the feed liquor pipe through heat transfer system get into or directly not get into to heating system through heat transfer system in, make it can be under the prerequisite that does not reduce the total amount of the liquid that adds high temperature, through the flow size of control feed liquor pipe through heat transfer system, strengthen or reduce heat transfer system to the heat transfer effect of the intraductal liquid of warm liquid, the temperature of the intraductal liquid of adjustable warm liquid reaches the effect of intelligence accuse temperature.
More preferably: still include temperature-detecting system, temperature-detecting system is including the temperature sensor who is used for detecting the interior liquid of warm liquid pipe, and temperature sensor sets up in warm liquid pipe be in heat transfer system and go out water end or feed liquor pipe (1) between one section, temperature sensor with the control unit is connected.
By adopting the structure, the temperature of the liquid in the warm liquid pipe is detected through the temperature sensor, the temperature sensor can transmit signals according to the temperature of the liquid in the warm liquid pipe and the control unit, and then the control unit transmits signals to the driving module, so that the driving module can adjust the opening proportion of the first proportional electromagnetic valve and the second proportional electromagnetic valve according to the temperature of the liquid in the warm liquid pipe, the flow of the liquid entering the heat exchange system is controlled, the heat exchange effect of the heat exchange system on the liquid in the warm liquid pipe is controlled, and the temperature of the liquid in the warm liquid pipe is changed.
More preferably: the heat exchange system comprises a heat exchange box and heat conducting liquid arranged in the heat exchange box, and the warm liquid pipe and the liquid inlet pipe both penetrate through the heat exchange box and are in contact with the heat conducting liquid to carry out heat exchange.
Adopt above-mentioned structure, through the heat transfer incasement heat conduction liquid to the intraductal liquid normal atmospheric temperature of feed liquor and the intraductal liquid high temperature of warm liquid exchange, play the cooling effect to the intraductal liquid of warm liquid, can play preliminary preheating effect to the intraductal liquid of feed liquor simultaneously, and then through warm liquid pipe, feed liquor pipe with liquid and the isolated heat transfer of heat conduction liquid, make the intraductal liquid of its not receive external pollution, the health and hygiene of guarantee liquid.
More preferably: the heating system comprises a heating box, heat-conducting liquid arranged in the heating box and an electric heating module used for heating the heat-conducting liquid, wherein the liquid inlet pipe penetrates through the heating box and is partially coiled in the heating box to exchange heat with the heat-conducting liquid.
By adopting the structure, the electric heating module heats the heat-conducting liquid in the heating box, the liquid inlet pipe penetrates through the heating box and is partially coiled in the heating box, when the liquid passes through the liquid inlet pipe, the liquid exchanges heat with the heat-conducting liquid to heat the liquid in the pipe, and meanwhile, the liquid in the pipe is heated in an isolated mode, so that the health and the hygiene of the liquid in the pipe are ensured; and then because the liquid is discharged from the hot liquid pipe or the warm liquid pipe only through the liquid inlet pipe, only one path of liquid is needed when the warm liquid pipe is disinfected, and the effects of high-efficiency water saving and high-efficiency pollution discharge are achieved.
The invention also aims to provide a control method for realizing the intelligent constant-temperature heat exchange system by adopting a cold source control method, and the method has the advantages of sterilizing the pipeline by starting up and achieving the health and sanitation effects.
The second technical purpose of the invention is realized by the following technical scheme:
a control method for realizing an intelligent constant-temperature heat exchange system by adopting a cold source control method comprises the following steps:
step 1, starting up, enabling liquid to be heated to enter a liquid inlet pipe, controlling a driving module to start up and work by a control unit, controlling a two-position three-way electromagnetic valve to open and communicate the liquid inlet pipe and a temperature control branch pipe by the driving module, and directly connecting the liquid to be heated in a heating system through the temperature control branch pipe;
step 4, allowing part of the heated liquid to enter a hot liquid pipe and part of the heated liquid to enter a warm liquid pipe, and allowing the heated liquid to enter the warm liquid pipe for heat exchange and temperature reduction through a heat exchange system to form warm water and then flow out of the outlet end of the warm liquid pipe;
when the temperature sensor (8) detects that the temperature of liquid in the warm liquid pipe (2) is higher than Ao, an opening signal is output to the control unit, the control unit outputs a starting signal to the driving module, the driving module drives the three-way electromagnetic valve (51) to close the communication between the liquid inlet pipe (1) and the temperature control branch pipe (4), so that the liquid enters the heating system (6) through the heat exchange system (7) to be heated, and the steps are executed when the startup or interval startup time reaches a certain degree to realize disinfection and intelligent constant temperature work.
By adopting the mechanism, when the machine is started, the control unit controls the driving module to start, drives the two-position three-way electromagnetic valve to communicate the liquid inlet pipe with the temperature control branch pipe, so that normal-temperature liquid directly enters the heating system without passing through the heat exchange system to be heated, further heated high-temperature liquid enters the hot liquid pipe and the warm liquid pipe, is discharged from the water outlet ends of the hot liquid pipe and the warm liquid pipe, carries out high-temperature disinfection on the hot liquid pipe and the warm liquid pipe, and simultaneously discharges sewage, thereby achieving the effects of high-efficiency disinfection and high-efficiency sewage discharge; and then the time detection module controls the duration time that the two-position three-way electromagnetic valve is communicated with the liquid inlet pipe and the temperature control branch pipe according to the time required by disinfection, and after the time is up, the two-position three-way electromagnetic valve is controlled to be communicated with the two ends of the liquid inlet pipe, so that the liquid to be heated passes through the heat exchange system and the heating system through the liquid inlet pipe, part of the heated high-temperature liquid is discharged from the hot liquid pipe, and part of the heated high-temperature liquid enters the heat exchange system through the hot liquid pipe, is subjected to heat exchange and.
The invention aims to provide a control method for realizing an intelligent constant-temperature heat exchange system by adopting a cold source control method, and the method has the advantages of sterilizing a pipeline by starting up and achieving the health and sanitation effects.
The third technical purpose of the invention is realized by the following technical scheme:
a control method for realizing an intelligent constant-temperature heat exchange system by adopting a cold source control method comprises the following steps:
step 1, starting up, enabling liquid to be heated to enter a liquid inlet pipe, controlling a driving module to start up and work by a control unit, controlling a second electromagnetic valve to open and communicate the liquid inlet pipe and a temperature control branch pipe by the driving module, closing the first electromagnetic valve, and directly connecting the liquid to be heated in a heating system through the temperature control branch pipe;
step 4, allowing part of the heated liquid to enter a hot liquid pipe and part of the heated liquid to enter a warm liquid pipe, and allowing the heated liquid to enter the warm liquid pipe for heat exchange and temperature reduction through a heat exchange system to form warm water and then flow out of the outlet end of the warm liquid pipe;
when the temperature sensor (8) detects that the temperature of liquid in the warm liquid pipe (2) is higher than Ao, an opening signal is output to the control unit, the control unit outputs a starting signal to the driving module, the driving module drives the second electromagnetic valve (53) to be closed, and simultaneously opens the first electromagnetic valve (52), so that the liquid enters the heating system (6) through the heat exchange system (7) to be heated, and the steps are executed when the startup or interval startup time reaches a certain degree, so as to realize disinfection and intelligent constant temperature work.
By adopting the mechanism, when the machine is started, the control unit controls the driving module to start, the first electromagnetic valve is closed, the second electromagnetic valve is driven to start to communicate the liquid inlet pipe with the temperature control branch pipe, so that normal-temperature liquid directly enters the heating system for heating without passing through the heat exchange system, and then heated high-temperature liquid enters the hot liquid pipe and the warm liquid pipe, is discharged from the water outlet ends of the hot liquid pipe and the warm liquid pipe, and is subjected to high-temperature disinfection and sewage discharge, so that the effects of high-efficiency disinfection and high-efficiency sewage discharge are achieved; and then the time detection module controls the duration of the start of the second electromagnetic valve according to the time required by disinfection, after the time is up, the second electromagnetic valve is closed, the first electromagnetic valve is controlled to start and communicate with the two ends of the liquid inlet pipe, so that the liquid to be heated passes through the heat exchange system and the heating system through the liquid inlet pipe, part of the heated high-temperature liquid is discharged from the hot liquid pipe, and part of the heated high-temperature liquid enters the heat exchange system through the hot liquid pipe to be subjected to heat exchange and temperature reduction, and then is discharged from the outlet end.
The invention also aims to provide a control method for realizing the intelligent constant-temperature heat exchange system by adopting a cold source control method, and the method has the advantages of sterilizing the pipeline by starting up and achieving the health and sanitation effects.
The fourth technical purpose of the invention is realized by the following technical scheme:
a control method for realizing an intelligent constant-temperature heat exchange system by adopting a cold source control method comprises the following steps:
step 1, starting up, enabling liquid to be heated to enter a liquid inlet pipe, controlling a driving module to start up and work by a control unit, controlling a proportional solenoid valve II to open and communicate the liquid inlet pipe and a temperature control branch pipe by the driving module, closing the proportional solenoid valve I, and directly connecting the liquid to be heated in a heating system through the temperature control branch pipe;
step 4, allowing part of the heated liquid to enter a hot liquid pipe and part of the heated liquid to enter a warm liquid pipe, and allowing the heated liquid to enter the warm liquid pipe for heat exchange and temperature reduction through a heat exchange system to form warm water and then flow out of the outlet end of the warm liquid pipe;
when the temperature sensor detects that the temperature of liquid in the liquid warming pipe is higher than Ao, an opening signal is output to the control unit, the control unit outputs a starting signal to the driving module, the driving module drives the first proportional solenoid valve to adjust the opening in proportion to increase the flow in the liquid direct heat exchange system, and drives the second proportional solenoid valve to jump to a small opening to reduce the flow of the liquid direct heating system; and executing the steps when the starting or the interval starting time reaches a certain degree so as to realize the disinfection and the intelligent constant temperature work.
By adopting the mechanism, when the machine is started, the control unit controls the driving module to start, the first proportional solenoid valve is closed, the second proportional solenoid valve is driven to start to communicate the liquid inlet pipe with the temperature control branch pipe, so that normal-temperature liquid directly enters the heating system without passing through the heat exchange system to be heated, and further heated high-temperature liquid enters the hot liquid pipe and the warm liquid pipe, is discharged from the water outlet ends of the hot liquid pipe and the warm liquid pipe, is subjected to high-temperature disinfection on the hot liquid pipe and the warm liquid pipe, and is discharged at the same time, so that the effects of high-efficiency disinfection and high-efficiency sewage discharge are achieved; the time detection module is used for controlling the starting duration of the second proportional solenoid valve according to the time required by disinfection, after the time is up, the second proportional solenoid valve is closed, the first proportional solenoid valve is controlled to be started and communicated with two ends of a liquid inlet pipe, so that liquid to be heated passes through a heat exchange system and a heating system through the liquid inlet pipe, part of heated high-temperature liquid is discharged from the hot liquid pipe, and part of heated high-temperature liquid enters the heat exchange system through the hot liquid pipe to be subjected to heat exchange and temperature reduction and then is discharged from the outlet end of the hot liquid pipe;
and then detect the temperature of discharge liquid in the warm liquid pipe through temperature sensor, according to required temperature requirement and actual temperature, output signal gives the control unit, and then adjusts the aperture proportion of proportion solenoid valve one and proportion solenoid valve two through drive module, adjusts the flow that gets into normal atmospheric temperature liquid in the heat transfer system, changes heat transfer system's heat transfer effect to adjust the temperature of the liquid in the warm liquid pipe.
In conclusion, the invention has the following beneficial effects:
1. when the machine is started, the liquid to be heated can be directly fed into the heating system for heating through the temperature control branch pipe without passing through the heat exchange system, the heated high-temperature liquid is directly communicated with the hot liquid pipe and the warm liquid pipe, the hot liquid pipe and the warm liquid pipe are sterilized at high temperature, and the sterilized sewage is discharged through the water outlet ends of the hot liquid pipe and the warm liquid pipe, so that the effects of efficient sterilization and efficient pollution discharge are achieved; the liquid inlet pipe is a continuous pipeline, so that liquid can only circulate in the pipeline, and only one path of liquid is needed in the high-temperature disinfection process, thereby achieving the effect of high efficiency and water saving;
2. detect the temperature of discharge liquid in the warm liquid pipe through temperature sensor, require and actual temperature according to required temperature, output signal gives the control unit, and then adjust the aperture proportion of proportion solenoid valve one and proportion solenoid valve two through drive module, adjust the flow that gets into normal atmospheric temperature liquid in the heat transfer system, change heat transfer system's heat transfer effect, realized that the liquid temperature that flows from the heat exchanger in the running water temperature difference can the automatic constancy when different seasons, do not need artifical the regulation, adopt cold source control method simultaneously, it is high temperature liquid to realize that the heat exchanger flows when reducing the cold source completely, reach the effect of intelligent accuse temperature.
Drawings
FIG. 1 is a schematic structural view of the first embodiment, showing the overall structure;
FIG. 2 is a schematic diagram of a control system according to the first embodiment;
FIG. 3 is a schematic structural view of the second embodiment;
FIG. 4 is a schematic view of a control system according to a second embodiment;
FIG. 5 is a schematic structural view of a third embodiment;
fig. 6 is a schematic diagram of a control system of the third embodiment.
In the figure, 1, a liquid inlet pipe; 2. a warm liquid pipe; 3. a hot liquid pipe; 4. controlling temperature and branching; 5. an electromagnetic valve; 51. a two-position three-way electromagnetic valve; 52. a first electromagnetic valve; 53. a second electromagnetic valve; 54. a proportional solenoid valve I; 55. a proportional solenoid valve III; 6. a heating system; 7. a heat exchange system; 8. a temperature sensor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: the utility model provides an adopt cold source control method to realize homothermal heat transfer system of intelligence, as shown in fig. 1 and 2, including heating system 6, heat transfer system 7, in proper order through heat transfer system 7 and heating system 6 and be used for leading-in the feed liquor pipe 1 of treating the heating liquid, feed liquor pipe 1 extends one of heating system 6 and serves to communicate hot liquid pipe 3 and warm liquid pipe 2, warm liquid pipe 2 passes heat transfer system 7 and becomes the medium temperature liquid with the inside high temperature liquid heat transfer of warm liquid pipe 2 through heat transfer system 7, treat that the heating liquid passes heat transfer system 7 and heating system 6 through feed liquor pipe 1 in proper order, heating system 6 heats the liquid in feed liquor pipe 1 and becomes high temperature liquid after, get into in hot liquid pipe 3 and warm liquid pipe 2, the liquid in warm liquid pipe 2 gets into heat transfer system 7 and carries out the heat transfer, cool down the liquid in warm liquid pipe 2 into medium temperature liquid.
In this embodiment, the liquid introduced into the liquid inlet pipe 1 may be drinking water, bath water, soybean milk or other edible liquid to be heated.
The heating system 6 comprises a heating box, heat conducting liquid and an electric heating module, wherein the heat conducting liquid is arranged in the heating box, the electric heating module is communicated with an external power supply to carry out isolated heating on the heat conducting liquid, a liquid inlet pipe 1 penetrates through the heating box, part of the liquid inlet pipe is coiled in the heating box, the contact area between the liquid inlet pipe and the heat conducting liquid is increased, the heat conducting liquid and liquid in the liquid inlet pipe 1 form heat exchange, and the liquid in the liquid inlet pipe 1 is heated.
The heat exchange system 7 comprises a heat exchange box and heat conducting liquid, wherein the heat conducting liquid is arranged in the heat exchange box, and the liquid inlet pipe 1 and the warm liquid pipe 2 respectively penetrate through the heat exchange box and are partially coiled in the heating box, so that the contact area between the liquid inlet pipe and the heat conducting liquid is increased; the heat exchange is carried out at the normal temperature of the liquid in the liquid inlet pipe 1 and at the high temperature of the liquid in the liquid warming pipe 2 through the heat-conducting liquid, and the liquid in the liquid warming pipe 2 is cooled into the medium temperature liquid.
The temperature control branch pipe 4 is communicated with the liquid inlet pipe 1, two ends of the temperature control branch pipe 4 are respectively communicated with the liquid inlet pipe 1 at the front section and the rear section of the heat exchange box, the electromagnetic valve 5 and a control system for controlling the electromagnetic valve 5 to open and close are further arranged on the liquid inlet pipe 1, and the electromagnetic valve 5 controls liquid in the liquid inlet pipe 1 to directly flow into the heating box through the temperature control branch pipe 4 or sequentially pass through the heat exchange box and the heating box.
The electromagnetic valve 5 is set to be a two-position three-way electromagnetic valve 51, the two-position three-way electromagnetic valve 51 is arranged at the joint of the temperature control branch pipe 4 and the liquid inlet pipe 1 at the front section of the heat exchange box, the communication between the liquid inlet pipe 1 and the temperature control branch pipe 4 or the communication between two sections of the liquid inlet pipe 1 is controlled, the control system comprises a driving module, a time detection module and a control unit, the control unit controls the working state of the driving module, the driving module controls the opening and closing of the two-position three-way electromagnetic valve 51, and further the opening and closing duration time of; when the device is started, the two-position three-way electromagnetic valve 51 starts to communicate the temperature control branch pipe 4 with the liquid inlet pipe 1, so that liquid of the temperature control branch pipe is directly communicated with the heating box for heating, heated high-temperature liquid enters the hot liquid pipe 3 and the warm liquid pipe 2 and is discharged from outlet ends of the hot liquid pipe 3 and the warm liquid pipe 2, and the hot liquid pipe 3 and the warm liquid pipe 2 are sterilized at high temperature; in this embodiment, the disinfection time is As, and when time detection module control two three way solenoid valve 51 intercommunication feed liquor pipe 1 was As with the branch pipe 4 time of accuse temperature, output signal gave the control unit, through two three way solenoid valve 51 intercommunication feed liquor pipe 1 both ends of drive module control, liquid heats through heat transfer case, heating cabinet in proper order, and high temperature liquid cools down in the warm liquid pipe 2 simultaneously, obtains hot water and warm water, carries out the normal operating of device.
Example 2: as shown in fig. 3 and 4, the difference between the heat exchange system which adopts a cold source control method to realize intelligent constant temperature and the embodiment 1 is that the electromagnetic valve 5 comprises a first electromagnetic valve 52 and a second electromagnetic valve 53, the first electromagnetic valve 52 is arranged between the liquid inlet pipe 1 and the heat exchange box and the temperature control branch pipe 4, and the second electromagnetic valve 53 is arranged on the temperature control branch pipe 4; the control system comprises a driving module, a time detection module and a control unit, wherein the control unit controls the working state of the driving module, the driving module controls the opening and closing of the first electromagnetic valve 52 and the second electromagnetic valve 53, and the opening and closing duration of the second electromagnetic valve 53 is further controlled through the time detection module; when the device is started, the second electromagnetic valve 53 is opened to communicate the temperature control branch pipe 4 with the liquid inlet pipe 1, so that liquid of the second electromagnetic valve is directly communicated into the heating box to be heated, the heated high-temperature liquid enters the hot liquid pipe 3 and the warm liquid pipe 2 and is discharged from outlet ends of the hot liquid pipe 3 and the warm liquid pipe 2, and the hot liquid pipe 3 and the warm liquid pipe 2 are sterilized at high temperature; in this embodiment, the disinfection time is As, and when time detection module control solenoid valve two 53 communicate feed liquor pipe 1 and accuse temperature branch pipe 4 time is As, output signal gives the control unit, starts intercommunication feed liquor pipe 1 both ends through drive module control solenoid valve one 52, closes solenoid valve two 53, and liquid heats through heat transfer case, heating cabinet in proper order, and high temperature liquid cools down in the warm liquid pipe 2 simultaneously, obtains hot water and warm water, carries out the normal operating of device.
Example 3: a heat exchange system for realizing intelligent constant temperature by adopting a cold source control method is different from the embodiment 1 in that as shown in figures 5 and 6, an electromagnetic valve 5 comprises a proportional electromagnetic valve I54 and a proportional electromagnetic valve II 55, the proportional electromagnetic valve I54 is arranged between a liquid inlet pipe 1 and a heat exchange box and a temperature control branch pipe 4, and the proportional electromagnetic valve II 55 is arranged on the temperature control branch pipe 4; the control system comprises a driving module, a time detection module and a control unit, wherein the control unit controls the working state of the driving module, the driving module controls the opening and closing of the first proportional solenoid valve 54 and the second proportional solenoid valve 55, and the opening and closing duration time of the second proportional solenoid valve 55 is further controlled through the time detection module; when the device is started, the proportional electromagnetic valve II 55 is opened to communicate the temperature control branch pipe 4 with the liquid inlet pipe 1, so that liquid of the proportional electromagnetic valve II is directly communicated with the heating box for heating, heated high-temperature liquid enters the hot liquid pipe 3 and the warm liquid pipe 2 and is discharged from outlet ends of the hot liquid pipe 3 and the warm liquid pipe 2, and the hot liquid pipe 3 and the warm liquid pipe 2 are sterilized at high temperature; in this embodiment, the disinfection time is As, and when time detection module control proportion solenoid valve two 55 intercommunication feed liquor pipe 1 was As with the branch pipe 4 time of accuse temperature, output signal gave the control unit, starts intercommunication feed liquor pipe 1 both ends through drive module control proportion solenoid valve one 54, closes proportion solenoid valve two 55, and liquid heats through heat transfer case, heating cabinet in proper order, and high temperature liquid cools down in the warm liquid pipe 2 simultaneously, obtains hot water and warm water, carries out the normal operating of device.
The temperature liquid pipe 2 is also provided with a temperature detection system, the temperature detection system comprises a temperature sensor 8, the temperature sensor 8 is arranged between the heat exchange box and the water outlet end of the temperature liquid pipe 2 and is used for detecting the temperature of liquid in the temperature liquid pipe 2, and the temperature sensor 8 is connected with the control unit and is used for transmitting a temperature signal in the temperature liquid pipe 2 to the control unit; in the embodiment, the temperature required by the liquid in the warm liquid pipe 2 is Ao, when the temperature sensor 8 detects that the temperature of the liquid in the warm liquid pipe 2 is lower than Ao, an opening signal is output to the control unit, the control unit outputs a starting signal to the driving module, the driving module drives the first proportional solenoid valve 54 to adjust the opening proportionally, the flow in the liquid direct heat exchange system 7 is reduced, and simultaneously drives the second proportional solenoid valve 55 to jump to a larger opening, and the flow of the liquid direct heating system 6 is increased;
when the temperature sensor 8 detects that the temperature of the liquid in the liquid warming pipe 2 is higher than Ao, an opening signal is output to the control unit, the control unit outputs a starting signal to the driving module, the driving module drives the first proportional solenoid valve 54 to adjust the opening in proportion to increase the flow in the liquid direct heat exchange system 7, and drives the second proportional solenoid valve 55 to jump to a small opening to reduce the flow of the liquid direct heating system 6.
Example 4: a control method for realizing an intelligent constant-temperature heat exchange system by adopting a cold source control method is disclosed, as shown in figures 1 and 2, and comprises the following steps:
step 1, starting up, enabling liquid to be heated to enter a liquid inlet pipe 1, controlling a driving module to start up and work by a control unit, controlling a two-position three-way electromagnetic valve 51 to open and communicate the liquid inlet pipe 1 and a temperature control branch pipe 4 by the driving module, and directly connecting the liquid to be heated into a heating system 6 through the temperature control branch pipe 4 for heating;
step 4, allowing part of the heated liquid to enter a hot liquid pipe 3 and part of the heated liquid to enter a warm liquid pipe 2, and allowing the heated liquid to enter the warm liquid pipe 2 for heat exchange and temperature reduction through a heat exchange system 7, so that warm water is formed and then flows out from the outlet end of the warm liquid pipe 2;
when the temperature sensor (8) detects that the temperature of liquid in the warm liquid pipe (2) is higher than Ao, an opening signal is output to the control unit, the control unit outputs a starting signal to the driving module, the driving module drives the three-way electromagnetic valve (51) to close the communication between the liquid inlet pipe (1) and the temperature control branch pipe (4), so that the liquid enters the heating system (6) through the heat exchange system (7) to be heated, and the steps are executed when the startup or interval startup time reaches a certain degree to realize disinfection and intelligent constant temperature work.
Example 5: a method for controlling an intelligent constant temperature heat exchange system by using a cold source control method, as shown in fig. 3 and 4, comprises:
step 1, starting up, enabling liquid to be heated to enter a liquid inlet pipe 1, controlling a driving module to start up and work by a control unit, controlling a second electromagnetic valve 53 by the driving module to open and communicate the liquid inlet pipe 1 and a temperature control branch pipe 4, closing a first electromagnetic valve 52, and directly connecting the liquid to be heated into a heating system 6 through the temperature control branch pipe 4 for heating;
step 4, allowing part of the heated liquid to enter a hot liquid pipe 3 and part of the heated liquid to enter a warm liquid pipe 2, and allowing the heated liquid to enter the warm liquid pipe 2 for heat exchange and temperature reduction through a heat exchange system 7, so that warm water is formed and then flows out from the outlet end of the warm liquid pipe 2;
when the temperature sensor (8) detects that the temperature of liquid in the warm liquid pipe (2) is higher than Ao, an opening signal is output to the control unit, the control unit outputs a starting signal to the driving module, the driving module drives the second electromagnetic valve (53) to be closed, and simultaneously opens the first electromagnetic valve (52), so that the liquid enters the heating system (6) through the heat exchange system (7) to be heated, and the steps are executed when the startup or interval startup time reaches a certain degree, so as to realize disinfection and intelligent constant temperature work.
Example 6: a method for controlling an intelligent constant-temperature heat exchange system by using a cold source control method, as shown in fig. 5 and 6, comprises:
step 1, starting up, enabling liquid to be heated to enter a liquid inlet pipe 1, controlling a driving module to start up and work by a control unit, controlling a proportional solenoid valve II 55 to open and communicate the liquid inlet pipe 1 and a temperature control branch pipe 4 by the driving module, closing a proportional solenoid valve I54, and directly connecting the liquid to be heated into a heating system 6 through the temperature control branch pipe 4;
step 4, allowing part of the heated liquid to enter a hot liquid pipe 3 and part of the heated liquid to enter a warm liquid pipe 2, and allowing the heated liquid to enter the warm liquid pipe 2 for heat exchange and temperature reduction through a heat exchange system 7, so that warm water is formed and then flows out from the outlet end of the warm liquid pipe 2;
when the temperature sensor 8 detects that the temperature of liquid in the liquid warming pipe 2 is higher than Ao, an opening signal is output to the control unit, the control unit outputs a starting signal to the driving module, the driving module drives the first proportional solenoid valve 54 to adjust the opening in proportion to increase the flow in the liquid direct heat exchange system 7, and drives the second proportional solenoid valve 55 to jump to a small opening simultaneously to reduce the flow of the liquid direct heating system 6; and executing the steps when the starting or the interval starting time reaches a certain degree so as to realize the disinfection and the intelligent constant temperature work.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the present invention.
Claims (5)
1. The utility model provides an adopt cold source control method to realize homothermal heat transfer system's of intelligence control method, includes heating system (6), heat transfer system (7), in proper order through heat transfer system (7) and heating system (6) and be used for leading-in the feed liquor pipe (1) of treating the heating fluid, one of feed liquor pipe (1) extension heating system (6) is served and is connected with hot liquid pipe (3) and warm liquid pipe (2), warm liquid pipe (2) pass heat transfer system (7) and become warm liquid through heat transfer system (7) with the inside high temperature liquid heat transfer of warm liquid pipe (2), characterized by: the temperature control branch pipe (4) is connected to the liquid inlet pipe (1), two ends of the temperature control branch pipe (4) are respectively connected to the front section and the rear section of the liquid inlet pipe (1) passing through the heat exchange system (7), and the liquid inlet pipe (1) is provided with a solenoid valve (5) for adjusting liquid to be heated to enter the heating system (6) through the heat exchange system (7) or directly through the temperature control branch pipe (4) and a control system for controlling the opening and closing of the solenoid valve (5);
the electromagnetic valve (5) is a two-position three-way electromagnetic valve (51) and is arranged at the joint of the temperature control branch pipe (4) and the front section of the displacement heat exchange system (7) of the liquid inlet pipe (1);
the control system includes:
the driving module is used for controlling the opening and closing of the two-position three-way electromagnetic valve (51);
the time detection module is used for detecting the opening and closing duration time of the two-position three-way electromagnetic valve (51);
the control unit is used for controlling the working state of the driving module;
the temperature detection system comprises a temperature sensor (8) for detecting liquid in the temperature liquid pipe (2), the temperature sensor (8) is arranged on a section of the temperature liquid pipe (2) between the heat exchange system (7) and the water outlet end or the liquid inlet pipe (1), and the temperature sensor (8) is connected with the control unit;
the control method comprises the following steps:
step 1, starting up, enabling liquid to be heated to enter a liquid inlet pipe (1), controlling a driving module to start to work by a control unit, controlling a two-position three-way electromagnetic valve (51) to open and communicate the liquid inlet pipe (1) and a temperature control branch pipe (4) by the driving module, and directly connecting the liquid to be heated into a heating system (6) through the temperature control branch pipe (4) for heating;
step 2, the heated liquid enters the warm liquid pipe (2) and flows out of the outlet end of the warm liquid pipe (2), and the warm liquid pipe (2) is sterilized at high temperature; the time detection module detects the opening duration of the two-position three-way electromagnetic valve (51), when the time is As, a time-up signal is sent to the control unit, the control unit transmits a starting signal to the driving module, and the driving module drives the two-position three-way electromagnetic valve (51) to close the communication between the liquid inlet pipe (1) and the temperature control branch pipe (4) and simultaneously communicate with the two ends of the liquid inlet pipe (1);
step 3, the liquid to be heated enters a heat exchange system (7) through a liquid inlet pipe (1) to perform heat exchange work and a heating system (6) to perform heating work;
step 4, allowing part of the heated liquid to enter a hot liquid pipe (3) and part of the heated liquid to enter a warm liquid pipe (2), and allowing the heated liquid to enter the warm liquid pipe (2) and then to be subjected to heat exchange and temperature reduction through a heat exchange system (7) to form warm water and then flow out of the outlet end of the warm liquid pipe (2);
step 5, the temperature of the liquid flowing out of the liquid warming pipe (2) is Ao, when the temperature sensor (8) detects that the temperature of the liquid in the liquid warming pipe (2) is lower than Ao, a starting signal is output to the control unit, the control unit outputs a starting signal to the driving module, and the driving module drives the three-way electromagnetic valve (51) to communicate the liquid inlet pipe (1) and the temperature control branch pipe (4) so that the liquid is directly communicated with the heating system (6) to be heated;
when the temperature sensor (8) detects that the temperature of liquid in the liquid warming pipe (2) is higher than Ao, an opening signal is output to the control unit, the control unit outputs a starting signal to the driving module, the driving module drives the three-way electromagnetic valve (51) to close the communication between the liquid inlet pipe (1) and the temperature control branch pipe (4), so that the liquid passes through the heat exchange system (7) and then enters the heating system (6) to be heated, and the steps are executed when the startup or interval startup time reaches a certain degree to realize disinfection and intelligent constant-temperature work;
or the electromagnetic valve (5) comprises a first electromagnetic valve (52) and a second electromagnetic valve (53), the first electromagnetic valve (52) is positioned between the front section of the heat exchange system (7) and the temperature control branch pipe (4) of the liquid inlet pipe (1), and the second electromagnetic valve (53) is positioned on the temperature control branch pipe (4); the control system includes:
the driving module is used for controlling the opening and closing of the first electromagnetic valve (52) and the second electromagnetic valve (53);
the time detection module is used for detecting the opening and closing duration time of the first electromagnetic valve (52) and the second electromagnetic valve (53);
the control unit is used for controlling the working state of the driving module;
or the electromagnetic valve (5) comprises a first proportional electromagnetic valve (54) and a second proportional electromagnetic valve (55), the first proportional electromagnetic valve (54) is positioned between the front section of the heat exchange system (7) and the temperature control branch pipe (4) of the liquid inlet pipe (1), and the second proportional electromagnetic valve (55) is positioned on the temperature control branch pipe (4); the control system includes:
the driving module is used for controlling the opening and closing of the first proportional solenoid valve (54) and the second proportional solenoid valve (55);
the time detection module is used for detecting the opening and closing duration time of the first proportional solenoid valve (54) and the second proportional solenoid valve (55);
and the control unit is used for controlling the working state of the driving module.
2. The method for controlling the heat exchange system to realize the intelligent constant temperature by using the cold source control method as claimed in claim 1, which is characterized in that: the heat exchange system (7) comprises a heat exchange box and heat conducting liquid arranged in the heat exchange box, and the warm liquid pipe (2) and the liquid inlet pipe (1) both penetrate through the heat exchange box and are in contact with the heat conducting liquid to carry out heat exchange.
3. The method for controlling the heat exchange system to realize the intelligent constant temperature by using the cold source control method as claimed in claim 1, which is characterized in that: heating system (6) include the heating cabinet, locate the heat-conducting liquid of heating cabinet and be used for heating the electric heat module of heat-conducting liquid, feed liquor pipe (1) passes the heating cabinet and partial coil carries out the heat exchange with heat-conducting liquid in the heating cabinet.
4. The method for controlling the heat exchange system to realize the intelligent constant temperature by using the cold source control method as claimed in claim 1, which is characterized in that: the method comprises the following steps:
step 1, starting up, enabling liquid to be heated to enter a liquid inlet pipe (1), controlling a driving module to start up and work by a control unit, controlling a second electromagnetic valve (53) to open and communicate the liquid inlet pipe (1) and a temperature control branch pipe (4) by the driving module, closing a first electromagnetic valve (52), and directly connecting the liquid to be heated into a heating system (6) through the temperature control branch pipe (4) for heating;
step 2, the heated liquid enters the warm liquid pipe (2) and flows out of the outlet end of the warm liquid pipe (2), and the warm liquid pipe (2) is sterilized at high temperature; the time detection module detects the opening duration of the second electromagnetic valve (53), when the time is As, a time-up signal is sent to the control unit, the control unit transmits a starting signal to the driving module, the driving module controls the second electromagnetic valve (53) to be closed, and meanwhile, the first electromagnetic valve (52) is started to be communicated with the two ends of the liquid inlet pipe (1);
step 3, the liquid to be heated enters a heat exchange system (7) through a liquid inlet pipe (1) to perform heat exchange work and a heating system (6) to perform heating work;
step 4, allowing part of the heated liquid to enter a hot liquid pipe (3) and part of the heated liquid to enter a warm liquid pipe (2), and allowing the heated liquid to enter the warm liquid pipe (2) and then to be subjected to heat exchange and temperature reduction through a heat exchange system (7) to form warm water and then flow out of the outlet end of the warm liquid pipe (2);
step 5, the temperature of the liquid flowing out of the liquid warming pipe (2) is Ao, when the temperature sensor (8) detects that the temperature of the liquid in the liquid warming pipe (2) is lower than Ao, an opening signal is output to the control unit, the control unit outputs a starting signal to the driving module, the driving module drives the first electromagnetic valve (52) to be closed, and meanwhile, the second electromagnetic valve (53) is opened to communicate the liquid inlet pipe (1) and the temperature control branch pipe (4), so that the liquid is directly communicated with the heating system (6) to be heated;
when the temperature sensor (8) detects that the temperature of liquid in the warm liquid pipe (2) is higher than Ao, an opening signal is output to the control unit, the control unit outputs a starting signal to the driving module, the driving module drives the second electromagnetic valve (53) to be closed, and simultaneously opens the first electromagnetic valve (52), so that the liquid enters the heating system (6) through the heat exchange system (7) to be heated, and the steps are executed when the startup or interval startup time reaches a certain degree, so as to realize disinfection and intelligent constant temperature work.
5. The method for controlling the heat exchange system to realize the intelligent constant temperature by using the cold source control method as claimed in claim 1, which is characterized in that: the method comprises the following steps:
step 1, starting up, enabling liquid to be heated to enter a liquid inlet pipe (1), controlling a driving module to start up and work by a control unit, controlling a proportional solenoid valve II (55) to open and communicate the liquid inlet pipe (1) and a temperature control branch pipe (4) by the driving module, closing a proportional solenoid valve I (54), and directly connecting the liquid to be heated in a heating system (6) through the temperature control branch pipe (4);
step 2, the heated liquid enters the warm liquid pipe (2) and flows out of the outlet end of the warm liquid pipe (2), and the warm liquid pipe (2) is sterilized at high temperature; the time detection module detects the opening duration of the second proportional solenoid valve (55), when the time is As, a time-up signal is sent to the control unit, the control unit transmits a starting signal to the driving module, the driving module controls the second proportional solenoid valve (55) to be closed, and meanwhile, the first proportional solenoid valve (54) is started to be communicated with the two ends of the liquid inlet pipe (1);
step 3, the liquid to be heated enters a heat exchange system (7) through a liquid inlet pipe (1) to perform heat exchange work and a heating system (6) to perform heating work;
step 4, allowing part of the heated liquid to enter a hot liquid pipe (3) and part of the heated liquid to enter a warm liquid pipe (2), and allowing the heated liquid to enter the warm liquid pipe (2) and then to be subjected to heat exchange and temperature reduction through a heat exchange system (7) to form warm water and then flow out of the outlet end of the warm liquid pipe (2);
step 5, the temperature of the liquid flowing out of the liquid warming pipe (2) is Ao, when the temperature sensor (8) detects that the temperature of the liquid in the liquid warming pipe (2) is lower than Ao, an opening signal is output to the control unit, the control unit outputs a starting signal to the driving module, the driving module drives the first proportional solenoid valve (54) to adjust the opening degree proportionally, the flow in the liquid direct heat exchange system (7) is reduced, meanwhile, the second proportional solenoid valve (55) is driven to jump to the large opening degree, and the flow of the liquid direct heating system (6) is increased;
when the temperature sensor (8) detects that the temperature of liquid in the liquid warming pipe (2) is higher than Ao, an opening signal is output to the control unit, the control unit outputs a starting signal to the driving module, the driving module drives the proportional solenoid valve I (54) to increase the opening according to the proportion, the flow in the liquid direct heat exchange system (7) is increased, and simultaneously drives the proportional solenoid valve II (55) to jump to decrease the opening, and the flow of the liquid direct heating system (6) is reduced; and executing the steps when the starting or the interval starting time reaches a certain degree so as to realize the disinfection and the intelligent constant temperature work.
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| CN201810132930.0A CN108332421B (en) | 2018-02-09 | 2018-02-09 | Heat exchange system for realizing intelligent constant temperature by adopting cold source control method and control method |
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