CN110720832A - Drinking fountain control system - Google Patents
Drinking fountain control system Download PDFInfo
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- CN110720832A CN110720832A CN201811650558.9A CN201811650558A CN110720832A CN 110720832 A CN110720832 A CN 110720832A CN 201811650558 A CN201811650558 A CN 201811650558A CN 110720832 A CN110720832 A CN 110720832A
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- water
- temperature
- heater
- hot water
- boiled water
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/54—Water boiling vessels in beverage making machines
- A47J31/56—Water boiling vessels in beverage making machines having water-level controls; having temperature controls
Abstract
A drinking fountain control system comprises a water inlet unit, a pipe fitting, a water outlet unit, a control main board, a temperature module, a speed regulating pump, a first heater, a condensing mechanism, a second heater, a flow module, a hot water controllable switch and a cold boiled water controllable switch, wherein the temperature module, the speed regulating pump, the first heater, the condensing mechanism, the second heater, the flow module, the hot water controllable switch and the cold boiled water controllable switch are connected with the control main board; the water inlet unit, the speed regulating pump, the first heater, the hot water controllable switch and the water outlet unit are sequentially connected through pipe fittings to form a hot water waterway; the water inlet unit, the speed regulating pump, the first heater, the condensing mechanism, the second heater, the cool boiled water controllable switch and the water outlet unit are sequentially connected through pipe fittings to form a cool boiled water waterway. The control mainboard is adopted to control the first heater, the second heater, the condensing mechanism, the water inlet quantity and the water outlet flow in a centralized manner, the power control module is used to realize linear voltage regulation or current regulation or power regulation, the second heater is adopted to carry out temperature rise treatment on the cold boiled water cached in the condensing mechanism, and the hot water or the cold boiled water with set temperature can be rapidly and continuously output.
Description
Technical Field
The invention relates to the technical field of domestic electric appliances, in particular to a water dispenser control system.
Background
Water is indispensable to human life, and homes, offices, workplaces and the like are provided with drinking fountains. The drinking bowl in the current life adopts the three-dimensional drinking bowl of putting bottled water more, and a small number adopts straight drink formula wall-hung pipeline machine. However, such drinkers can only provide boiling water or hot water or cold water at a specific temperature, cannot provide hot water at any temperature, and cannot rapidly provide cool boiled water at a set temperature; it is difficult to meet the requirements of different people (such as children, old people, etc.) on drinking water with different temperatures. For example, when a company visits a person, it is difficult to reduce the temperature of the water when boiling water is supplied, and there is a fear that the water is not boiled and sterilized to cause discomfort after drinking when warm water is supplied. The retrieval shows that in the prior art, cold water is provided by adopting cold water in a water tank to cool a boiling water pipeline, and cold water is provided by adopting a refrigeration sheet or a compressor to cool. The first method is that the temperature of the water tank rises along with the increase of the amount of cold boiled water, so that the requirement of continuously providing the cold boiled water is difficult to realize; the second adopts the compressor refrigeration mode to be mainly suitable for the refrigeration of normal temperature water, and is difficult to satisfy the requirement of continuously cooling the boiling water in a short time and provide cool boiled water.
Based on this, the prior art has the defects that the supply of hot water with different temperatures and the continuous supply of cold water with different temperatures are difficult to realize. If the control system of the water fountain is provided with hot water supply at different temperatures, rapid cooling and continuous supply of cold boiled water at different temperatures, great convenience can be brought to life, and the control system has important significance.
Disclosure of Invention
The present invention is directed to provide a control system of a water dispenser capable of continuously providing hot water or cold water at a predetermined temperature, so as to provide hot water at different temperatures, rapidly cool the water and continuously supply cold water at different temperatures, and meet the requirement of measuring the water output.
A drinking fountain control system comprises a water inlet unit, a pipe fitting, a water outlet unit, a control main board, a temperature module, a speed regulating pump, a first heater, a condensing mechanism, a second heater, a flow module, a hot water controllable switch and a cold boiled water controllable switch, wherein the temperature module, the speed regulating pump, the first heater, the condensing mechanism, the second heater, the flow module, the hot water controllable switch and the cold boiled water controllable switch are connected with the control main board; the control mainboard is provided with a connecting interface of a temperature module, heating power adjusting interfaces of the first heater and the second heater, a condensation degree control interface connected with the condensation mechanism, a water flow adjusting interface connected with the speed regulating pump, a flow module connecting interface and on-off control interfaces of the hot water controllable switch and the cool boiled water controllable switch.
The water inlet unit, the speed regulating pump, the first heater, the hot water controllable switch and the water outlet unit are sequentially connected through pipe fittings to form a hot water waterway; the water inlet unit, the speed regulating pump, the first heater, the condensing mechanism, the second heater, the cold boiled water controllable switch and the water outlet unit are sequentially connected through pipe fittings to form a cold boiled water channel, the speed regulating pump receives a control signal of a water flow regulating interface, the water flow is regulated by changing the rotating speed of the speed regulating pump, the cold boiled water is rapidly condensed and cooled by matching with the condensing mechanism, and the second heater is used for heating the cold boiled water cached in the condensing mechanism so as to meet the requirement of the cold boiled water at a set temperature; and a water flow sensor in the flow module is arranged between a hot water supply switch or a cold water controllable switch and the water outlet unit.
The temperature module comprises a hot water temperature sensor, a cold boiled water temperature sensor and a temperature setting and displaying device, wherein the hot water temperature sensor is arranged between the first heater and the hot water controllable switch and used for detecting the temperature of hot water; the cold boiled water temperature sensor is arranged between the second heater and the cold boiled water controllable switch and used for detecting the temperature of the cold boiled water; the temperature setting and displaying device is provided with a temperature setting adjusting device and a temperature display screen and is used for setting the hot water heating temperature, the cold boiled water condensing temperature and displaying the actual outlet water temperature.
The water temperature information detected by the hot water temperature sensor and the cold boiled water temperature sensor is fed back to the control mainboard, and the control mainboard outputs and adjusts the power of the first heater through the heating power adjusting interface after comparing the set hot water heating temperature or the cold boiled water condensing temperature with the fed back water temperature information so as to realize the output of hot water at different set temperatures; or after the coordination action of the heating power adjusting interface and the condensation degree control interface, the heating power adjusting interface enables the first heater to heat the water to boiling, and the condensation degree control interface enables the condensation mechanism to condense and cool the boiling water so as to realize the output of cool boiled water with different set temperatures.
The condensation mechanism comprises at least one group of condensers which are wound by copper pipes and are embedded with copper radiating fins on the surfaces of the condensers, and at least one direct-current speed-regulating fan, wherein the direct-current speed-regulating fan is arranged opposite to the condensers and continuously cools the condensers; according to the requirement, the mode of setting up multiunit condenser and direct current speed governing fan can be adopted and the nature of continuation cooling is realized.
The flow module comprises a water flow setting device and a water flow sensor, the water flow setting device is used for setting the water amount needed by heating hot water or condensing cold boiled water and outputting water amount information to the control mainboard, the water flow sensor is used for detecting the total water amount of the water outlet unit and feeding back the total water amount information to the control mainboard, and when the total water amount received by the control mainboard is equal to the set needed water amount, a turn-off signal is output to turn off the hot water controllable switch or the cold boiled water controllable switch, so that water outlet is stopped.
Furthermore, the control mainboard is provided with a power control module of the first heater and the second heater, the power control module adopts bidirectional antiparallel silicon controlled to realize linear voltage regulation or current regulation or power regulation output, the output end of the power control module is connected to the first heater and the second heater through a heating power regulation interface and controls rated or non-rated adjustable output of the first heater and the second heater, and then output of hot water or cool boiled water with different temperatures is met.
Further, the temperature module still includes condensation mechanism temperature sensor, condensation temperature sensor sets up in the condenser output for detect the temperature of condenser normal water, and with this temperature information feedback to control mainboard, the control mainboard combines the amount of wind size that condensate temperature sensor, cool boiled water temperature sensor opened and adjust direct current speed governing fan according to the cool boiled water condensation temperature of setting for, starts condensation mechanism when the cool boiled water temperature of setting for is greater than the temperature that condensate temperature sensor or cool boiled water temperature sensor detected and implements the cooling.
Furthermore, after the control main board compares the cool boiled water condensation temperature set by the temperature setting and the cool boiled water temperature information fed back by the display, when the set cool boiled water condensation temperature is less than 50 ℃, the heating power adjusting interface, the condensation degree control interface and the water flow adjusting interface are used for realizing rapid condensation and cooling after coordination, specifically, the heating power adjusting interface enables the first heater to heat water to boiling, the condensation degree control interface controls the rated operation of a direct current speed regulating fan in the condensation mechanism to cool the boiled water, and meanwhile, the water flow adjusting interface controls the speed regulating pump to run at a reduced speed so as to reduce the flow of water in the condenser, so that the rapid cooling of small flow is realized.
Furthermore, the temperature setting and adjusting device in the temperature setting and displaying device is a knob, a display window for setting the water temperature, the hot water outlet temperature and the cold water outlet temperature is arranged on the temperature display screen, the knob is associated with the set water temperature display window value, and the set water temperature display window value changes along with the rotation of the knob. For example, when the knob is rotated to the minimum, the corresponding set temperature is 0 ℃, when the knob is rotated to the maximum, the corresponding set temperature is 100 ℃, and when the knob is rotated to 1/4, the corresponding set temperature is 25 ℃.
Furthermore, the hot water waterway provides boiling water and hot water with a set temperature, the first heater outputs the boiling water when working at a rated rate, and the first heater outputs the hot water when working at a non-rated derating rate.
Furthermore, the cold boiled water waterway provides cold boiled water with a set temperature, and when the speed regulating pump and the condensing mechanism work in a rated mode, the temperature of the output cold boiled water is more than 50 ℃; after the water quantity is reduced by adjusting the speed regulating pump, the temperature of the cool boiled water output by the condensing mechanism when the condensing mechanism works in a rated mode is lower than 35 ℃.
Furthermore, the speed regulating pump is a direct current micro pump or a peristaltic pump, and the water flow range of the speed regulating pump is less than 3L/min.
Further, the first heater is an electric coating pipe, and the second heater is an electric coating pipe or a resistance heating block, preferably a resistance heating block.
Furthermore, the resistance heating block comprises a resistance heating body, an aluminum block and a through hole, the pipe fitting at the output end of the condensation mechanism in the cold boiled water channel penetrates through the through hole of the resistance heating block, and the resistance heating body heats and transfers heat to the pipe fitting through the aluminum block to heat the cold boiled water cached in the condensation mechanism so as to meet the requirement of the cold boiled water at the set temperature.
Furthermore, the speed regulating pump is preferably arranged between the first heater and the water inlet unit, and also can be arranged between the water outlet unit and the flow module.
Furthermore, the water inlet unit adopts a combined interface, can be directly connected to the water purifier, and can also be connected to a barreled water barrel opening.
Further, the water outlet unit comprises a water outlet or a water outlet hole for outputting drinking water.
The invention realizes linear voltage regulation or current regulation or power regulation by setting two water paths of hot water and cold water, adopting the control mainboard to control the first heater, the second heater, the condensing mechanism, the water inlet amount and the water outlet flow rate in a centralized manner, adopting the power control module to realize temperature rise treatment of the cached cold water in the condensing mechanism, adopting a knob type temperature setting mode and combining a plurality of temperature sensors to realize feedback and contrast output control, and has the advantages that: firstly, the continuous output of hot water with set temperature can be realized; secondly, cold boiled water with set temperature can be continuously provided for output; thirdly, the automatic output and the shutoff of the set water yield can be realized; fourthly, the required temperature is set by adopting a knob, and the set temperature is visually displayed by a display screen, so that the rapid and accurate setting of different temperatures is facilitated.
Drawings
FIG. 1 is a schematic diagram of the control system components of the present invention.
Fig. 2 is a schematic diagram of the interface connection of the control motherboard according to the present invention.
FIG. 3 is a block diagram of the hot water regulation control logic of the present invention.
The labels in the figure are: 1. the system comprises a water inlet unit, 2 a speed regulating pump, 3 a first heater, 4 a condensing mechanism, 4-1 a condenser, 4-2 a direct current speed regulating fan, 5 a second heater, 6 a flow module, 7 a water outlet unit, 8 a hot water controllable switch, 9 a cold boiled water controllable switch, 10 a hot water temperature sensor, 11 a cold boiled water temperature sensor and 12 a condensing mechanism water temperature sensor.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments.
As shown in fig. 1-2, a drinking fountain control system comprises a water inlet unit 1, a water outlet unit 7, a control main board, and a temperature module, a speed regulating pump 2, a first heater 3, a condensing mechanism 4, a second heater 5, a flow module 6, a hot water controllable switch 8 and a cold water controllable switch 9 connected with the control main board; the control mainboard is provided with a connection interface of a temperature module, heating power adjusting interfaces of the first heater 3 and the second heater 5, a condensation degree control interface connected with the condensation mechanism 4, a water flow adjusting interface connected with the speed regulating pump 2, a flow module connection interface, and on-off control interfaces of a hot water controllable switch 8 and a cold boiled water controllable switch 9.
The water inlet unit 1, the speed regulating pump 2, the first heater 3, the hot water controllable switch 8 and the water outlet unit 7 are sequentially connected through pipes to form a hot water path; the water inlet unit 1, the speed regulating pump 2, the first heater 3, the condensing mechanism 4, the second heater 5, the cold boiled water controllable switch 9 and the water outlet unit 7 are sequentially connected through pipes to form a cold boiled water path, the speed regulating pump 2 receives a control signal of a water flow regulating interface, the water flow is regulated by changing the rotating speed of the speed regulating pump 2, the cold boiled water is rapidly condensed and cooled by matching with the condensing mechanism 4, and the second heater 5 is used for heating the cold boiled water cached in the condensing mechanism 4 to meet the requirement of the cold boiled water at a set temperature; and a water flow sensor in the flow module is arranged between the hot water supply switch 8 or the cool boiled water controllable switch 9 and the water outlet unit 7.
The temperature module comprises a hot water temperature sensor 10, a cold boiled water temperature sensor 11 and a temperature setting and displaying device, wherein the hot water temperature sensor 10 is arranged between the first heater 3 and the hot water controllable switch 8 and used for detecting the temperature of hot water; the cold boiled water temperature sensor 11 is arranged between the second heater 5 and the cold boiled water controllable switch 9 and used for detecting the temperature of the cold boiled water; the temperature setting and displaying device is provided with a temperature setting adjusting device and a temperature display screen and is used for setting the hot water heating temperature, the cold boiled water condensing temperature and displaying the actual outlet water temperature.
The water temperature information detected by the hot water temperature sensor 10 and the cold boiled water temperature sensor 11 is fed back to the control mainboard, and the control mainboard outputs and adjusts the power of the first heater 3 through the heating power adjusting interface after comparing the set hot water heating temperature or the cold boiled water condensing temperature with the fed back water temperature information so as to realize the output of hot water at different set temperatures; or after the coordination action of the heating power adjusting interface and the condensation degree control interface, the heating power adjusting interface enables the first heater 3 to heat the water to boiling, and the condensation degree control interface enables the condensation mechanism 4 to condense and cool the boiling water so as to realize the output of cool boiled water with different set temperatures.
The condensing mechanism 4 comprises at least one group of condensers 4-1 which are wound by copper pipes and are embedded with copper radiating fins on the surfaces of the condensers, and at least one direct-current speed regulating fan 4-2, wherein the direct-current speed regulating fan 4-2 is arranged opposite to the condensers 4-1 and continuously cools the condensers; according to the requirement, the mode of arranging a plurality of groups of condensers 4-1 and direct-current speed regulation fans can be adopted to realize continuous cooling.
The flow module 6 comprises a water flow setting device and a water flow sensor, the water flow setting device is used for setting the water amount needed by heating hot water or condensing cool boiled water and outputting water amount information to the control mainboard, the water flow sensor is used for detecting the total water amount of the water outlet unit and feeding back the total water amount information to the control mainboard, and when the total water amount received by the control mainboard is equal to the set needed water amount, a turn-off signal is output to turn off the hot water controllable switch or the cool boiled water controllable switch, so that water outlet is stopped.
Preferably, the control mainboard is provided with a power control module of the first heater and the second heater, the power control module adopts bidirectional antiparallel silicon controlled to realize linear voltage regulation or current regulation or power regulation output, the output end of the power control module is connected to the first heater and the second heater through the heating power regulation interface and controls rated or non-rated adjustable output of the first heater and the second heater, and then output of hot water or cool boiled water with different temperatures is met.
The hot water waterway provides boiling water and hot water with a set temperature, the boiling water is output when the first heater 3 works in a rated mode, and the hot water is output when the first heater 3 works in a non-rated derating mode. As shown in fig. 1-3, when hot water at a set temperature needs to be output, the hot water temperature sensor 10 can feed back the temperature of the hot water channel to the control main board by setting a temperature value of the hot water to be heated, the control main board performs PID adjustment according to the temperature deviation value, outputs an adjustment signal to the power control module, controls and adjusts the output power of the first heater, heats the hot water at different temperatures, and finally outputs the hot water at the set temperature.
Preferably, the temperature module further comprises a condensation mechanism water temperature sensor 12, the condensation water temperature sensor 12 is arranged at the output end of the condenser 4-1 and used for detecting the temperature of water in the condenser 4-1 and feeding back the temperature information to the control mainboard, the control mainboard starts and adjusts the air volume of the direct current speed regulation fan 4-2 according to the set cold boiled water condensation temperature in combination with the condensation water temperature sensor 12 and the cold boiled water temperature sensor 11, and the condensation mechanism 4 is started to cool when the set cold boiled water temperature is higher than the temperature detected by the condensation water temperature sensor 12 or the cold boiled water temperature sensor 11.
Furthermore, in order to save electric energy and realize the maximum efficient cooling, the temperature of the output cold boiled water is 50 ℃ when the speed regulating pump and the condensing mechanism which are preferably matched with the control system run at rated speed. After the control mainboard compares the cool boiled water condensation temperature set by the temperature setting and the cool boiled water temperature information fed back by the display, when the set cool boiled water condensation temperature is less than 50 ℃, the heating power adjusting interface, the condensation degree control interface and the water flow adjusting interface realize rapid condensation and cooling after coordination, specifically, the heating power adjusting interface enables the first heater 3 to heat water to boiling, the condensation degree control interface controls the direct current speed regulating fan 4-2 in the condensation mechanism 4 to operate at a rated speed to cool the boiled water, and meanwhile, the water flow adjusting interface controls the speed regulating pump 2 to operate at a reduced speed so as to reduce the water flow in the condenser, so that the rapid cooling of small flow is realized.
Preferably, the temperature setting and adjusting device in the temperature setting and displaying device is a knob, a display window for setting the water temperature, the hot water outlet temperature and the cold water outlet temperature is arranged on the temperature display screen, the knob is associated with the set water temperature display window value, and the set water temperature display window value changes along with the rotation of the knob. For example, the set temperature is 0 ℃ when the knob is rotated to the minimum, 100 ℃ when the knob is rotated to the maximum, and 25 ℃ when the knob is rotated to 1/4.
The cold boiled water waterway provides cold boiled water with a set temperature, and when the speed regulating pump 2 and the condensing mechanism 4 work in a rated mode, the temperature of the output cold boiled water is more than 50 ℃; after the water quantity is reduced by adjusting the speed regulating pump 2, the temperature of the cool boiled water output by the condensing mechanism 4 when the condensing mechanism works at rated speed is less than 35 ℃.
Preferably, the speed regulating pump 2 is a direct current micro pump or a peristaltic pump, and the water flow range is less than 3L/min.
Preferably, the first heater 3 is an electric coating pipe, and the second heater 5 is an electric coating pipe or a resistance heating block, preferably a resistance heating block.
Preferably, the resistance heating block comprises a resistance heating body, an aluminum block and a through hole, the pipe fitting at the output end of the condensing mechanism 4 in the cold boiled water waterway penetrates through the through hole of the resistance heating block, and the resistance heating body heats and transfers heat to the pipe fitting through the aluminum block to heat the cold boiled water cached in the condensing mechanism so as to meet the requirement of the cold boiled water at the set temperature.
In order to reduce the influence of hot water on the service life of the speed regulating pump, the speed regulating pump is preferably arranged between the first heater 3 and the water inlet unit 1, and also can be arranged between the water outlet unit 7 and the flow module 6.
Preferably, the water inlet unit 1 adopts a combined interface, and can be directly connected to a water purifier or connected to a barreled water barrel opening.
Preferably, the water outlet unit 7 includes a water outlet or a water outlet hole for outputting drinking water.
The following description will be given for the example of outputting cool boiled water at a set temperature: firstly, a cold boiled water temperature value (such as 38 ℃) to be condensed is set through a temperature setting and display, the first heater 3 starts to operate, meanwhile, the cold boiled water temperature sensor 11 detects and feeds back the temperature value of the cold boiled water waterway to the control mainboard, the temperature value is compared with the set temperature value, and when the temperature of the cold boiled water waterway is smaller than the set value, the second heater is started and the cold boiled water waterway is heated to the set cold boiled water temperature value; when the first heater 3 heats water to boil, the speed regulating pump 2, the direct current speed regulating fan 4-2 and the cold boiled water controllable switch 9 are started, the speed regulating pump 2 inputs the water inlet of the water inlet unit 1 into the first heater 3, meanwhile, the boiled water in the first heater 3 sequentially flows into the condenser 4-1 of the condensing mechanism 4, the direct current speed regulating fan 4-2 cools the water in the condenser 4-1, the rotating speed of the direct current speed regulating fan 4-2 is kept when the temperature of the output end of the condenser 4-1 is equal to the set cold boiled water temperature, and the cold boiled water is continuously output.
Claims (9)
1. A drinking fountain control system comprises a water inlet unit, a pipe fitting and a water outlet unit, and is characterized by also comprising a control main board, and a temperature module, a speed regulating pump, a first heater, a condensing mechanism, a second heater, a flow module, a hot water controllable switch and a cold water controllable switch which are connected with the control main board; the control main board is provided with a connecting interface of a temperature module, heating power adjusting interfaces of the first heater and the second heater, a condensation degree control interface connected with the condensation mechanism, a water flow adjusting interface connected with the speed regulating pump, a flow module connecting interface and on-off control interfaces of a hot water controllable switch and a cold water controllable switch; the water inlet unit, the speed regulating pump, the first heater, the hot water controllable switch and the water outlet unit are connected through pipes to form a hot water waterway; the water inlet unit, the speed regulating pump, the first heater, the condensing mechanism, the second heater, the cold boiled water controllable switch and the water outlet unit are connected through pipe fittings to form a cold boiled water waterway, the speed regulating pump receives a control signal of a water flow regulating interface, the water flow is regulated by changing the rotating speed of the speed regulating pump, the cold boiled water is rapidly condensed and cooled by matching with the condensing mechanism, and the second heater is used for heating the cold boiled water cached in the condensing mechanism so as to meet the requirement of the cold boiled water at a set temperature;
the temperature module comprises a hot water temperature sensor, a cold boiled water temperature sensor and a temperature setting and displaying device, wherein the hot water temperature sensor is arranged between the first heater and the hot water controllable switch and used for detecting the temperature of hot water; the cold boiled water temperature sensor is arranged between the second heater and the cold boiled water controllable switch and used for detecting the temperature of the cold boiled water; the temperature setting and displaying device is provided with a temperature setting adjusting device and a temperature display screen and is used for setting the heating temperature of hot water, the condensation temperature of cold boiled water and displaying the actual outlet water temperature;
the water temperature information detected by the hot water temperature sensor and the cold boiled water temperature sensor is fed back to the control mainboard, and the control mainboard outputs and adjusts the power of the first heater through the heating power adjusting interface after comparing the set hot water heating temperature or the cold boiled water condensing temperature with the fed back water temperature information so as to realize the output of hot water at different set temperatures; or after the coordination action of the heating power adjusting interface and the condensation degree control interface, the heating power adjusting interface enables the first heater to heat the water to boiling, and the condensation degree control interface enables the condensation mechanism to condense and cool the boiling water to realize the output of cool boiled water with different set temperatures;
the condensation mechanism comprises at least one group of condensers which are wound by copper pipes and are embedded with copper radiating fins on the surfaces of the condensers, and at least one direct-current speed-regulating fan, wherein the direct-current speed-regulating fan is arranged opposite to the condensers and cools the condensers;
the flow module comprises a water flow setting device and a water flow sensor, the water flow setting device is used for setting the water amount needed by heating hot water or condensing cold boiled water and outputting water amount information to the control mainboard, the water flow sensor is used for detecting the total water amount of the water outlet unit and feeding back the total water amount information to the control mainboard, and when the total water amount received by the control mainboard is equal to the set needed water amount, a turn-off signal is output to turn off the hot water controllable switch or the cold boiled water controllable switch, so that water outlet is stopped.
2. The water dispenser control system according to claim 1, wherein the control main board is provided with a power control module of the first heater and the second heater, the power control module adopts bidirectional antiparallel silicon controlled to realize linear voltage regulation or current regulation or power regulation output, and the output end of the power control module is connected to the first heater and the second heater through a heating power regulation interface and controls rated or non-rated adjustable output of the first heater and the second heater to meet the output of hot water or cold water with different temperatures.
3. The control system of the water fountain according to claim 1, wherein the temperature module further comprises a condensing mechanism water temperature sensor, the condensing water temperature sensor is arranged at the output end of the condenser and used for detecting the temperature of water in the condenser and feeding back the temperature information to the control main board, the control main board starts and adjusts the air volume of the direct current speed regulation fan according to the set cool boiled water condensing temperature in combination with the condensing water temperature sensor and the cool boiled water temperature sensor, and the condensing mechanism is started to cool when the set cool boiled water temperature is higher than the temperature detected by the condensing water temperature sensor or the cool boiled water temperature sensor.
4. The control system of a water fountain according to claim 1, wherein the control main board compares the cool boiled water condensing temperature set by the display with the cool boiled water temperature information fed back according to the temperature setting, and when the set cool boiled water condensing temperature is less than 50 ℃, the heating power adjusting interface, the condensing degree control interface and the water flow adjusting interface cooperate with each other to realize rapid condensation and cooling.
5. The control system for a water fountain according to claim 1, wherein the temperature setting and adjusting device in the temperature setting and display device is a knob, the temperature display screen is provided with display windows for the set water temperature, the hot water outlet temperature and the cold water outlet temperature, the knob is associated with the set water temperature display window value, and the set water temperature display window value changes when the knob is rotated.
6. A drinking vessel control system as claimed in claim 1, wherein the hot water circuit provides boiling water and hot water at a set temperature, the first heater outputting boiling water when operating nominally and the first heater outputting hot water when operating non-nominally de-rated.
7. The control system of the water fountain according to claim 1, wherein the cold boiled water waterway provides cold boiled water with a set temperature, and when the speed regulating pump and the condensing mechanism work in a rated way, the temperature of the output cold boiled water is more than 50 ℃; after the water quantity is reduced by adjusting the speed regulating pump, the temperature of the cool boiled water output by the condensing mechanism when the condensing mechanism works in a rated mode is lower than 35 ℃.
8. A drinking fountain control system according to claim 1, wherein the speed-regulating pump is a dc micro-pump or a peristaltic pump with a water flow rate in the range of less than 3L/min.
9. The water fountain control system of claim 1, wherein the first heater is an electrocoated tube and the second heater is a resistive heating block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650558.9A CN110720832A (en) | 2018-12-31 | 2018-12-31 | Drinking fountain control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811650558.9A CN110720832A (en) | 2018-12-31 | 2018-12-31 | Drinking fountain control system |
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| CN110720832A true CN110720832A (en) | 2020-01-24 |
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| CN201811650558.9A Pending CN110720832A (en) | 2018-12-31 | 2018-12-31 | Drinking fountain control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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