CN108185795B - Liquid heating container and control method of ultraviolet generating assembly thereof - Google Patents
Liquid heating container and control method of ultraviolet generating assembly thereof Download PDFInfo
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- CN108185795B CN108185795B CN201611125312.0A CN201611125312A CN108185795B CN 108185795 B CN108185795 B CN 108185795B CN 201611125312 A CN201611125312 A CN 201611125312A CN 108185795 B CN108185795 B CN 108185795B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 238
- 239000007788 liquid Substances 0.000 title claims abstract description 129
- 238000000034 method Methods 0.000 title claims abstract description 30
- 241000894006 Bacteria Species 0.000 claims abstract description 18
- 230000001954 sterilising effect Effects 0.000 claims description 83
- 238000004659 sterilization and disinfection Methods 0.000 claims description 81
- 238000001514 detection method Methods 0.000 claims description 7
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 230000000249 desinfective effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000010469 Glycine max Nutrition 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000035622 drinking Effects 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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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
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
-
- 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
- A47J27/00—Cooking-vessels
- A47J27/004—Cooking-vessels with integral electrical heating means
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses a liquid heating container and a control method of an ultraviolet generating assembly thereof, wherein the liquid heating container comprises a kettle body and a kettle cover, and the kettle cover is used for sealing the kettle body to form a kettle cavity; the ultraviolet generating component is used for injecting ultraviolet rays into the kettle cavity; the heating device is used for heating the liquid in the kettle cavity; and the control assembly is electrically connected with the ultraviolet generating assembly and is used for controlling the ultraviolet generating assembly to work. According to the technical scheme, the control assembly and the ultraviolet generating assembly are arranged, wherein the control assembly controls the ultraviolet generating assembly to work, the ultraviolet generating assembly emits ultraviolet rays into the kettle cavity when working, bacteria in liquid in the kettle cavity are effectively killed through the ultraviolet rays, and the cleanness and the sanitation of the liquid are guaranteed.
Description
Technical Field
The invention relates to the field of household appliances, in particular to a liquid heating container and a control method of an ultraviolet generating assembly thereof.
Background
Currently, liquid heating vessels (such as, but not limited to, electric kettles, health preserving kettles, and the like) lack an effective and thorough means of sterilizing the liquid within the vessel. For example, in the process of heating liquid, heat-resistant bacteria are difficult to kill at high temperature, so that the heated liquid is not thoroughly sterilized; and in the standing process after the heating is finished, bacteria are easy to breed in the liquid heating container, so that the liquid becomes unsanitary.
Disclosure of Invention
The invention mainly aims to provide a liquid heating container and a control method of an ultraviolet generating assembly thereof, aiming at ensuring that liquid in the liquid heating container can be subjected to ultraviolet sterilization treatment so as to ensure that the liquid is clean and sanitary
To achieve the above object, the present invention provides a liquid heating vessel comprising:
the kettle comprises a kettle body and a kettle cover, wherein the kettle cover covers the kettle body to form a kettle cavity;
the ultraviolet generating assembly is used for injecting ultraviolet rays into the kettle cavity;
the heating device is used for heating the liquid in the kettle cavity; and
and the control component is electrically connected with the ultraviolet generating component and is used for controlling the ultraviolet generating component to work.
Preferably, the control assembly comprises an electric control plate, the heating device and the ultraviolet generating assembly are both electrically connected with the electric control plate, and the electric control plate is used for controlling the heating device and the ultraviolet generating assembly to work.
Preferably, the liquid heating container further comprises a timing device, and the timing device is electrically connected with the electric control board, the heating device and the ultraviolet generating assembly.
Preferably, when the electronic control board receives a heating instruction, the electronic control board controls the ultraviolet generating assembly to start to work for the first time, and controls the ultraviolet generating assembly to stop working after the ultraviolet generating assembly continuously works for a first preset time period, and controls the heating device to start to work at the same time; alternatively, the first and second electrodes may be,
when the electric control board receives a heating instruction, the electric control board controls the ultraviolet generating assembly to start to work for the first time, and controls the ultraviolet generating assembly to stop working after the ultraviolet generating assembly continuously works for a fourth preset time period, and after the electric control board receives the heating instruction, the electric control board controls the heating device to start to work when a preset standby time passes, wherein the preset standby time is less than the fourth preset time period; alternatively, the first and second electrodes may be,
when the electric control board receives a heating instruction, the electric control board controls the heating device to start to work, controls the ultraviolet generating assembly to start to work for the first time, and controls the ultraviolet generating assembly to stop working after the ultraviolet generating assembly continuously works for a second preset time period; alternatively, the first and second electrodes may be,
when the electric control board receives a heating instruction, the electric control board controls the heating device to start to work, controls the ultraviolet generation assembly to start to work for the first time when the heating device works for preset heating time, and controls the ultraviolet generation assembly to stop working after the ultraviolet generation assembly continuously works for a second preset time period.
Preferably, the ranges of the first preset time period, the fourth preset time period and the second preset time period are all 1min to 3 min.
Preferably, when the first work of the ultraviolet generating assembly is finished, the electric control board controls the ultraviolet generating assembly to work for a third preset time period at preset time intervals; or
The timing device is also electrically connected with the heating device, and the electric control board also acquires the time interval through the timing device; when the heating device finishes working, the electric control board controls the ultraviolet generating assembly to work for a third preset time period at preset time intervals.
Preferably, the time interval ranges from 60min to 120 min; the range of the third preset time period is 2 min-20 min.
Preferably, when the electric control board receives a heating instruction, the electric control board controls the heating device to start to work, and when the heating device finishes working, the electric control board controls the ultraviolet generating assembly to work for a third preset time period at preset time intervals.
Preferably, the liquid heating container further comprises a temperature detection device for detecting the temperature of the liquid in the kettle cavity, and the temperature detection device is electrically connected with the electric control board;
when the temperature of the liquid in the kettle cavity is higher than a preset temperature value, the electric control board controls the ultraviolet generating assembly to keep a closed state.
Preferably, the preset temperature value is 60-75 ℃.
Preferably, the control assembly further comprises a manual control switch electrically connected with the ultraviolet generating assembly, the ultraviolet generating assembly works when the manual control switch is in an on state, and stops working when the manual control switch is in an off state.
The invention also provides a control method of the ultraviolet generating assembly of the liquid heating container, which comprises the following steps:
acquiring an ultraviolet sterilization instruction;
and controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction.
Preferably, when the electric control board of the liquid heating container receives a heating instruction, the first ultraviolet sterilization instruction is considered to be acquired; the step of controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction comprises the following steps: according to the first ultraviolet sterilization instruction, firstly controlling the ultraviolet generating assembly to continuously work for a first preset time period, and then controlling a heating device of the liquid heating container to start to work; alternatively, the first and second electrodes may be,
when the electric control board of the liquid heating container receives a heating instruction, determining that a first ultraviolet sterilization instruction is obtained; the step of controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction comprises the following steps: controlling the ultraviolet generating assembly to continuously work for a first preset time period according to the first ultraviolet sterilization instruction, and controlling the heating device to start to work when a preset standby time passes after the ultraviolet sterilization instruction is received, wherein the preset standby time is less than a fourth preset time period; alternatively, the first and second electrodes may be,
when the electric control board of the liquid heating container receives a heating instruction, determining that a first ultraviolet sterilization instruction is obtained; the step of controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction comprises the following steps: according to the first ultraviolet sterilization instruction, the ultraviolet generation assembly and the heating device of the liquid heating container are controlled to be started to work simultaneously, and the continuous working time of the ultraviolet generation assembly is a second preset time period; alternatively, the first and second electrodes may be,
when the heating device of the liquid heating container works for a preset heating time, determining that a first ultraviolet sterilization instruction is obtained; the step of controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction comprises the following steps: and controlling the ultraviolet ray generation assembly to continuously work for a second preset time period according to the first ultraviolet sterilization instruction, and controlling the heating device to continuously work in the working process of the ultraviolet ray generation assembly.
Preferably, when the heating device finishes working, the second ultraviolet sterilization instruction is considered to be acquired;
the step of controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction further comprises: and controlling the ultraviolet generating assembly to continuously work for a third preset time period at preset time intervals according to the second ultraviolet sterilization instruction.
Preferably, when the heating device finishes working, the ultraviolet sterilization instruction is considered to be acquired;
the step of controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction comprises the following steps: and controlling the ultraviolet generating assembly to continuously work for a third preset time period at preset time intervals according to the ultraviolet sterilization instruction.
Preferably, when a manual control switch of the ultraviolet generating assembly is in an on state, the ultraviolet sterilization instruction is considered to be acquired;
the step of controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction comprises the following steps: and controlling the ultraviolet generating assembly to continuously work until the manual control switch is closed according to the ultraviolet sterilization instruction.
Preferably, the method for controlling the ultraviolet generating assembly of the liquid heating container further comprises the steps of:
monitoring the temperature of the liquid in the kettle cavity of the liquid heating container;
and when the temperature of the liquid in the kettle cavity is higher than a preset temperature value, controlling the ultraviolet generating assembly to keep a closed state.
According to the technical scheme, the control assembly and the ultraviolet generating assembly are arranged, wherein the control assembly controls the ultraviolet generating assembly to work, the ultraviolet generating assembly emits ultraviolet rays into the kettle cavity when working, bacteria in liquid in the kettle cavity are effectively killed through the ultraviolet rays, and the cleanness and the sanitation of the liquid are guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a liquid heating vessel according to an embodiment of the present invention;
FIG. 2 is a functional block diagram of the liquid heating vessel of FIG. 1;
FIG. 3 is a schematic flow chart of an embodiment of a method for controlling an ultraviolet generator of a liquid heating container according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 11 | Kettle |
12 | |
| 10 | |
20 | |
| 30 | |
40 | |
| 41 | |
42 | Hand-operated |
| 50 | Time- |
60 | Temperature detection device |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a liquid heating container.
Referring to fig. 1 and 2, in one embodiment of the present invention, the liquid heating container comprises a kettle body 11 and a kettle lid 12, wherein the kettle lid 12 covers the kettle body 11 to form a kettle cavity 10; an ultraviolet ray generating assembly 20 for injecting ultraviolet rays into the kettle cavity 10; the heating device 30 is used for heating the liquid in the kettle cavity 10; and a control assembly 40 electrically connected to the ultraviolet generating assembly 20 and used for controlling the operation of the ultraviolet generating assembly 20.
In this embodiment, the ultraviolet generating assembly 20 is generally disposed on the pot body 11 or the pot lid 12. The control unit 40 controls the operation of the uv generating unit 20, and the control may be diversified, such that the user can control the operation of the uv generating unit 20 manually, or the user can control the operation of the uv generating unit 20 automatically according to a preset program. The ultraviolet generating assembly 20 emits ultraviolet rays to the liquid in the kettle cavity 10 when in operation, and kills bacteria in the liquid. Through the work of manual control ultraviolet ray generation assembly 20, make the user disinfect according to the demand of oneself, work through automatic control ultraviolet ray generation assembly 20, convenience of customers's use more effectively avoids the user to forget and causes not disinfecting.
In this embodiment, the ultraviolet generating assembly 20 is preferably disposed on the kettle lid 12 to avoid contact with the liquid in the kettle cavity 10, thereby increasing the safety of use. The power range of the ultraviolet generating unit 20 is generally set to 0.1mW to 0.1W, preferably 1mW to 5 mW.
In the present embodiment, the control assembly 40 includes an electronic control board 41, the heating device 30 and the ultraviolet generating assembly 20 are electrically connected to the electronic control board 41, and the electronic control board 41 is used for controlling the heating device 30 and the ultraviolet generating assembly 20 to operate. By arranging the electric control board 41, the heating device 30 and the ultraviolet generating assembly 20 are linked, so that the heating device 30 and the ultraviolet generating assembly 20 automatically work according to a preset program, and the sterilization effect is ensured. The electronic control board 41 can receive the user's command, send signals to the heating device 30 and the uv-generating module 20, and receive the feedback signals from the heating device 30 and the uv-generating module 20. The electric control board 41 is further connected to a heating switch, and a user presses the heating switch to send a heating instruction to the electric control board 41, so that the electric control board 41 controls the heating device 30 and the ultraviolet generating assembly 20 to operate. Of course, for a liquid heating vessel having a remote control, a heating command may be given thereto by the remote control.
In this embodiment, the liquid heating container further comprises a timing device 50 electrically connected to the electronic control board 41, the heating device 30 and the ultraviolet generating assembly 20, so that the electronic control board 41 can obtain the single on-time and the single off-time of the ultraviolet generating assembly 20 through the timing device 50, and at the same time, the electronic control board 41 can obtain the on-time of the heating device 30 through the timing device 50.
In one embodiment, when the electronic control board 41 receives the heating command, the electronic control board 41 controls the ultraviolet generating assembly 20 to start to operate for the first time, and after the ultraviolet generating assembly 20 continues to operate for the first preset time period, controls the ultraviolet generating assembly 20 to stop operating, and controls the heating device 30 to start to operate. When a user presses the heating switch, the electric control board 41 receives a heating instruction, and then the electric control board 41 sends a starting signal to the ultraviolet generating assembly 20, the ultraviolet generating assembly 20 starts to work after receiving the starting signal, and emits ultraviolet rays to sterilize liquid in the kettle cavity 10, and meanwhile, the timing device 50 times to record the continuous working time of the ultraviolet generating assembly 20. After the ultraviolet generating assembly 20 continuously works for the first preset time period, the electric control board 41 sends a closing signal to the ultraviolet generating assembly 20, the ultraviolet generating assembly 20 stops working, meanwhile, the electric control board 41 sends a working signal to the heating device 30, the heating device 30 starts to heat the liquid in the kettle cavity 10, and the heating device 30 stops heating until the heating is completed.
In this embodiment, by performing uv sterilization on the liquid in the kettle cavity 10 before heating, the temperature rise in the kettle cavity 10 can be prevented from reducing the service life of the uv generating assembly 20 during heating. The range of the first preset time period is 1-3 min, the temperature of the liquid before heating is generally normal temperature, the ultraviolet irradiation in the time range can kill the high-temperature resistant bacteria in the liquid, and the cleanness and the sanitation of the liquid can be ensured through the subsequent high-temperature sterilization. In this embodiment, the UV light generating assembly 20 may be a UV lamp, wherein the UV lamp is sensitive to temperature, and higher temperatures tend to reduce the life of the UV lamp, which is also considered in the following embodiments. Of course, the UV light generating assembly 20 can be other devices capable of emitting UV light.
In another embodiment, when the electronic control board 41 receives the heating instruction, the electronic control board 41 controls the ultraviolet generating assembly 20 to start the first operation, and after the ultraviolet generating assembly 20 continues to operate for the fourth preset time period, the electronic control board 41 controls the ultraviolet generating assembly 20 to stop operating, and after receiving the heating instruction, the electronic control board 41 controls the heating device 30 to start operating when the preset standby time elapses. In this embodiment, the preset standby time is less than the fourth preset time period, that is, the heating device 30 is turned on during the first operation of the ultraviolet generating assembly 20, so that the ultraviolet generating assembly 20 and the heating device 30 have a period of common operation, and during this period, the both can be sterilized together. In the present embodiment, the range of the fourth preset time period is also generally set to 1min to 3 min.
In another embodiment, when the electronic control board 41 of the uv generating assembly 20 receives the heating command, the electronic control board 41 controls the heating device 30 to start operation, controls the uv generating assembly 20 to start the first operation, and controls the uv generating assembly 20 to stop operation after the uv generating assembly 20 continues to operate for the second preset time period. Alternatively, the timing device 50 is also electrically connected to the heating device 30; when the electronic control board 41 receives the heating instruction, the electronic control board 41 controls the heating device 30 to start to work, and controls the ultraviolet generating assembly 20 to start to work for the first time when the heating device 30 works for a preset heating time, and controls the ultraviolet generating assembly 20 to stop working after the ultraviolet generating assembly 20 continuously works for a second preset time period.
The control method in this embodiment is to control the ultraviolet generating assembly 20 to work together with the heating device 30. After the user presses the heating switch, the electric control board 41 receives the heating instruction, and at this time, the electric control board 41 includes two specific control modes: firstly, the electric control board 41 sends working signals to the ultraviolet generating component 20 and the heating device 30 at the same time, the ultraviolet generating component 20 starts to work and emits ultraviolet rays into the kettle cavity 10 for sterilization, meanwhile, the heating device 30 also starts to heat liquid in the kettle cavity 10, when the ultraviolet generating component 20 continuously works for a first preset time, the electric control board 41 sends a closing signal to the ultraviolet generating component 20, and the ultraviolet generating component 20 stops working; secondly, the electric control board 41 sends an operating signal to the heating device 30, the heating device 30 starts to operate, after the heating device 30 starts to operate for a preset heating time, the electric control board 41 sends an operating signal to the ultraviolet ray generation assembly 20, the ultraviolet ray generation assembly 20 starts to operate, and continuously operates for a second preset time period, the electric control board 41 sends a closing signal to the ultraviolet ray generation assembly 20, and the ultraviolet ray generation assembly 20 stops operating.
Wherein the preset heating time is greater than zero and less than the working time of the heating device 30, and it should be ensured that the ultraviolet generating component 20 continues to work for a second preset time period before the heating device 30 stops working. In this embodiment, the electronic control board 41 controls the heating device 30 to start to work for heating after receiving the heating instruction, so that the waiting time from the user sending the heating instruction to the completion of heating can be reduced, and the ultraviolet sterilization can be completed at the same time, so that the user can quickly obtain the heated clean and sanitary liquid. In the first control manner of this embodiment, as the heating device 30 operates, the liquid temperature is higher and higher, and the heating device 30 and the ultraviolet generating assembly 20 are controlled to operate together, so that the operating time of the ultraviolet generating assembly 20 at a higher temperature can be relatively reduced, which is beneficial to protecting the service life of the ultraviolet generating assembly 20. In the second control mode of the present embodiment, after the heating device 30 heats the liquid for a certain period of time, the ultraviolet generating assembly 20 is activated to work, so that the ultraviolet rays and the high temperature act together to achieve a better sterilization effect. Wherein, the range of the second preset time period is 1 min-3 min, so as to avoid the ultraviolet generating assembly 20 from working for a long time at a higher temperature and ensure the sterilization effect.
In the above embodiment, the electronic control board 41 further obtains the single stop time of the ultraviolet generating assembly 20 through the timing device 50; when the first operation of the ultraviolet generating assembly 20 is finished, the electronic control board 41 controls the ultraviolet generating assembly 20 to operate for a third preset time period at preset time intervals. Or, when the operation of the heating device 30 is finished, the electronic control board 41 controls the ultraviolet generating assembly 20 to operate for a third preset time period at preset time intervals; in this case, the timing device 50 is also electrically connected to the heating device 30, so that the electronic control board 41 can acquire the time interval through the timing device 50.
After the first operation of the uv generating assembly 20 is finished, the timing device 50 has two timing modes: firstly, after the ultraviolet generating assembly 20 works for the first time, the timing device 50 starts timing again, and records the time when the ultraviolet generating assembly 20 stops working, when the ultraviolet generating assembly 20 stops working for a preset time interval, the electronic control board 41 controls the ultraviolet generating assembly 20 to work, the timing device 50 also times the working time, and until the ultraviolet generating assembly 20 works for a third preset time period continuously, the electronic control board 41 controls the ultraviolet generating assembly 20 to stop working; then, the timing device 50 starts to time the stop time until the preset time interval, and then controls the ultraviolet generating component 20 to start to operate for a third preset time, so that the cycle interval is started. Secondly, the timing device 50 starts timing after the heating device 30 finishes heating, and after the heating device 30 stops working for a preset time interval, the electronic control board 41 controls the ultraviolet generating assembly 20 to continuously work for a third preset time period; then, the uv generating assembly 20 is activated for a third predetermined time period at predetermined time intervals. The in-process of placing for a long time after liquid heating accomplishes, along with the lapse of time, liquid also can begin to breed bacterium etc. leads to liquid to become unhygienic, starts the work of subassembly 20 through the interval, can kill the bacterium of placing the production of in-process, guarantees the clean health of liquid.
Of course, the ultraviolet generating assembly 20 may start to operate according to a predetermined program only after the heating device 30 finishes heating, and kill bacteria in the liquid; specifically, the electronic control board 41 controls the ultraviolet generating assembly 20 to operate for a third preset time period at preset time intervals after the heating device 30 finishes heating. The ultraviolet generating assembly 20 is the ultraviolet generating assembly 20, wherein the time interval ranges from 60min to 120min, and the third preset time period ranges from 2min to 20 min. The arrangement prevents the ultraviolet generating assembly 20 from being opened and closed frequently, ensures the service life of the ultraviolet generating assembly, and enables the ultraviolet sterilizing assembly to be opened for enough time to kill bacteria breeding in the process of placing after heating.
Further, the liquid heating container also comprises a temperature detection device 60 for detecting the temperature of the liquid in the kettle cavity 10, and the temperature detection device 60 is electrically connected with the electric control board 41; when the temperature of the liquid in the kettle cavity 10 is higher than the preset temperature value, the electric control board 41 controls the ultraviolet generating component 20 to keep a closed state. When the uv generating assembly 20 operates in a high temperature environment, the high temperature environment may seriously damage the uv generating assembly 20, greatly reducing the life thereof. In use, the ambient temperature at which the UV generating assembly 20 operates should be tightly controlled. Through setting up temperature-detecting device 60 in kettle cavity 10 for detect the temperature of the interior liquid of kettle cavity 10, and set up a preset temperature value, when temperature-detecting device 60 detected the temperature of liquid and was greater than preset temperature value, automatically controlled board 41 just sent the shut-off signal to ultraviolet ray generation subassembly 20, and ultraviolet ray generation subassembly 20 stops work. The preset temperature value is usually set to 60-75 ℃, and when the temperature is higher than the preset temperature value, the ultraviolet generating assembly 20 is in a closed state at any time no matter what state the ultraviolet generating assembly 20 is in, so as to prolong the service life of the ultraviolet generating assembly 20. However, the design is not limited thereto, and in other embodiments, the preset temperature value may be set to other values, which may be specifically set according to the specific heat resistance of the ultraviolet generating assembly 20.
Further, the control module 40 further includes a manual control switch 42 electrically connected to the ultraviolet generating module 20, wherein the ultraviolet generating module 20 operates when the manual control switch 42 is in an on state, and stops operating when the manual control switch 42 is in an off state. By providing such a manual control switch 42, the user can activate the ultraviolet generating assembly 20 to operate at any time according to his or her needs, and control the length of the operation time. The manual control switch 42 may control the ultraviolet generating unit 20 together with the electronic control board 41, or only the manual control switch 42 may be provided to control the ultraviolet generating unit 20. In the present embodiment, the manual control switch 42 is a manual button disposed on the pot lid 12 or the pot body 11, but may also be a control panel or other means for manual operation. After the manual control switch 42 is pressed, no matter what state the ultraviolet generating assembly 20 is in (as above, except when the temperature exceeds the preset temperature value), the ultraviolet generating assembly 20 should be in a working state at this time, and the electronic control board 41 does not control the ultraviolet generating assembly; when the manual control switch 42 is turned off, the ultraviolet generating assembly 20 stops operating, and the electronic control board 41 controls the ultraviolet generating assembly 20 again, so as to control the ultraviolet generating assembly 20 according to a predetermined program.
Wherein, in this embodiment, the liquid heating container can be but not limited to for health preserving kettle, electric kettle, boil the teapot, soybean milk machine or broken wall cooking machine etc..
The invention also provides a control method of the ultraviolet generating assembly of the liquid heating container.
Referring to fig. 3, in an embodiment of the present invention, the method for controlling the ultraviolet generating assembly of the liquid heating container includes the steps of:
step S10, acquiring an ultraviolet sterilization instruction;
and step S20, controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction.
In this embodiment, the control assembly sends the instruction of disinfecting to the ultraviolet ray generation assembly, and after the ultraviolet ray generation assembly received the instruction of disinfecting, the ultraviolet ray generation assembly worked under control assembly's control to effectively kill the bacterium in the kettle intracavity liquid through the ultraviolet ray, guarantee the clean health of liquid.
In this embodiment, the ultraviolet sterilization instruction includes a first ultraviolet sterilization instruction, and when the electric control board of the liquid heating container receives the heating instruction, it is determined that the first ultraviolet sterilization instruction is obtained. The step S20 includes:
and S211, controlling the ultraviolet generating assembly to continuously work for a first preset time period according to the first ultraviolet sterilization instruction, and then controlling a heating device of the liquid heating container to start to work.
In this embodiment, after receiving the first ultraviolet sterilization instruction, the electronic control board first sends a start signal to the ultraviolet generating assembly, and the ultraviolet generating assembly starts to operate after receiving the start signal; after the ultraviolet ray generation assembly continuously works for the first preset time period, the electric control board sends a closing signal to the ultraviolet ray generation assembly, the ultraviolet ray generation assembly stops working, meanwhile, the electric control board sends a working signal to the heating device, the heating device starts to heat liquid in the kettle cavity, and the heating device stops heating until heating is completed.
In this embodiment, through carrying out ultraviolet sterilization to the liquid in the kettle intracavity before the heating, can avoid in the heating process, the temperature that rises in the kettle intracavity reduces the life of ultraviolet ray generation subassembly. The range of the first preset time period is 1-3 min, the temperature of the liquid before heating is generally normal temperature, and the ultraviolet irradiation in the time range can kill bacteria in the liquid to ensure the cleanness and sanitation of the liquid.
However, the design is not limited thereto, and in another embodiment, when the electronic control board receives the heating instruction, it is also regarded as that the first ultraviolet sterilization instruction is obtained; however, step S211 included in step S20 is: and controlling the ultraviolet generation assembly to continuously work for a first preset time period according to the first ultraviolet sterilization instruction, and controlling the heating device to start to work after the ultraviolet sterilization instruction is received and preset standby time elapses. In this embodiment, the preset standby time is less than the fourth preset time period, that is, the heating device is turned on to operate during the first operation of the ultraviolet generating assembly, so that the ultraviolet generating assembly and the heating device have a period of time for operating together, and during this period of time, the ultraviolet generating assembly and the heating device can be sterilized together. In the present embodiment, the range of the fourth preset time period is also generally set to 1min to 3 min.
In another embodiment, when the electric control board receives a heating instruction, the first ultraviolet sterilization instruction is also considered to be acquired; however, step S211 included in step S20 is: and simultaneously controlling the ultraviolet generation assembly and the heating device of the liquid heating container to start to work according to the first ultraviolet sterilization instruction, wherein the continuous working time of the ultraviolet generation assembly is a second preset time period.
Or, in another embodiment, when the heating device operates for a preset heating time, it is determined that the first ultraviolet sterilization instruction is acquired; and step S211 included in step S20 is: and controlling the ultraviolet ray generation assembly to continuously work for a second preset time period according to the first ultraviolet sterilization instruction, and controlling the heating device to continuously work in the working process of the ultraviolet ray generation assembly. Wherein the preset heating time is greater than zero and less than the working time of the heating device, and it should be ensured that the ultraviolet generating assembly has been continuously operated for a second preset time period before the heating device stops operating.
In the two embodiments, the electric control board controls the heating device to start heating after receiving the heating instruction, so that the waiting time from the user sending the heating instruction to the heating completion can be reduced, and the ultraviolet sterilization is completed at the same time, so that the user can quickly obtain the heated clean and sanitary liquid. The second preset time period ranges from 1min to 3min, the ultraviolet generating assembly can be prevented from working at a high temperature for a long time, and meanwhile, the sterilization effect is guaranteed.
In this embodiment, the ultraviolet sterilization instruction further includes a second ultraviolet sterilization instruction, and when the heating device finishes operating, it is determined that the second ultraviolet sterilization instruction is acquired. The step S20 further includes:
and S212, controlling the ultraviolet generating assembly to continuously work for a third preset time period at preset time intervals according to the second ultraviolet sterilization instruction.
It can be understood that, the in-process of placing for a long time after liquid heating accomplishes, along with the lapse of time, liquid also can begin to breed bacterium etc. leads to liquid to become unhygienic, and the subassembly work takes place through the interval start ultraviolet ray in this embodiment, can kill the bacterium of placing the production of in-process, guarantees the clean health of liquid. In this embodiment, the time interval ranges from 60min to 120min, and the third preset time period ranges from 2min to 20 min. Set up like this and avoided opening frequently and close ultraviolet ray emergence subassembly promptly, guarantee its life, make the sufficient time that the ultraviolet sterilization subassembly was opened again, kill and heat the back and place the bacterium that the in-process was multiplied.
Of course, the ultraviolet generating assembly can start to work according to a preset program only after the heating device finishes heating, and the bacteria in the liquid can be killed. Specifically, after the heating device finishes heating, the electronic control board controls the ultraviolet generating assembly to continuously work for a third preset time period at preset time intervals.
In this embodiment, further, when the manual control switch of the ultraviolet generating component is in an on state, the ultraviolet sterilization instruction is also considered to be acquired. At this time, step S20 further includes:
and S213, controlling the ultraviolet generating assembly to continuously work according to the ultraviolet sterilization instruction until the manual control switch is turned off.
The manual control switch can control the ultraviolet generating assembly together with the electric control board, or only the manual control switch can be arranged to control the ultraviolet generating assembly. When the manual control switch is turned on, no matter what state the ultraviolet generating assembly is in before, the ultraviolet generating assembly is in a working state at the moment, and the electric control board does not control the ultraviolet generating assembly; when the manual control switch is closed, the ultraviolet generating assembly stops working, the electric control board controls the ultraviolet generating assembly again, and the ultraviolet generating assembly is controlled according to a preset program. It should be noted that, as long as the user suspects the cleanness of the liquid in the liquid heating container (especially during the standing process after heating), the ultraviolet generating component can be controlled by the manual control switch to perform ultraviolet sterilization before drinking.
In this embodiment, further, the method for controlling the ultraviolet generating component of the liquid heating container further includes the steps of:
step S30, monitoring the temperature of the liquid in the kettle cavity of the liquid heating container;
and step S40, when the temperature of the liquid in the kettle cavity is higher than the preset temperature value, controlling the ultraviolet generating assembly to keep a closing state.
Since the ultraviolet ray generating module operates in a high temperature environment, the service life is reduced. Therefore, the temperature of the environment in which the UV light generating assembly operates should be strictly controlled during use. This embodiment is through setting up temperature-detecting device in the kettle intracavity for detect the temperature of kettle intracavity liquid, and set up the preset temperature value, when temperature-detecting device detected the temperature of liquid and was greater than the preset temperature value, automatically controlled board just sent the close signal to the ultraviolet ray generation subassembly, and the ultraviolet ray generation subassembly stops working, in order to protect the ultraviolet ray generation subassembly. The preset temperature value is usually set to be 60-75 ℃, and when the temperature is higher than the preset temperature value, the service life of the ultraviolet generating assembly is greatly reduced. In addition, it should be noted that the above two steps are performed throughout the operation of the liquid heating container, so as to ensure a longer service life of the ultraviolet generating assembly.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (14)
1. A liquid heating vessel, comprising:
the kettle comprises a kettle body and a kettle cover, wherein the kettle cover covers the kettle body to form a kettle cavity;
the ultraviolet generating assembly is used for injecting ultraviolet rays into the kettle cavity so as to kill bacteria in the liquid;
the heating device is used for heating the liquid in the kettle cavity; and
the control assembly is electrically connected with the ultraviolet generating assembly and is used for controlling the ultraviolet generating assembly to work;
the control assembly comprises an electric control plate, the heating device and the ultraviolet generating assembly are electrically connected with the electric control plate, and the electric control plate is used for controlling the heating device and the ultraviolet generating assembly to work;
the liquid heating container also comprises a temperature detection device for detecting the temperature of the liquid in the kettle cavity, and the temperature detection device is electrically connected with the electric control board;
when the temperature of the liquid in the kettle cavity is higher than a preset temperature value, the electric control board controls the ultraviolet generating assembly to keep a closed state.
2. A liquid heating vessel as claimed in claim 1, further comprising a timing device electrically connected to said electronic control board, said heating device and said ultraviolet light generating assembly.
3. The liquid heating container according to claim 2, wherein when the electric control board receives a heating command, the electric control board controls the ultraviolet generating assembly to start to operate for the first time, and after the ultraviolet generating assembly continuously operates for a first preset time period, the electric control board controls the ultraviolet generating assembly to stop operating and controls the heating device to start to operate; alternatively, the first and second electrodes may be,
when the electric control board receives a heating instruction, the electric control board controls the ultraviolet generating assembly to start to work for the first time, and controls the ultraviolet generating assembly to stop working after the ultraviolet generating assembly continuously works for a fourth preset time period, and after the electric control board receives the heating instruction, the electric control board controls the heating device to start to work when a preset standby time passes, wherein the preset standby time is less than the fourth preset time period; alternatively, the first and second electrodes may be,
when the electric control board receives a heating instruction, the electric control board controls the heating device to start to work, controls the ultraviolet generating assembly to start to work for the first time, and controls the ultraviolet generating assembly to stop working after the ultraviolet generating assembly continuously works for a second preset time period; alternatively, the first and second electrodes may be,
when the electric control board receives a heating instruction, the electric control board controls the heating device to start to work, controls the ultraviolet generation assembly to start to work for the first time when the heating device works for preset heating time, and controls the ultraviolet generation assembly to stop working after the ultraviolet generation assembly continuously works for a second preset time period.
4. A liquid heating vessel as claimed in claim 3 wherein said first, fourth and second predetermined time periods are all in the range 1-3 min.
5. A liquid heating vessel as claimed in claim 3 or 4 wherein, when the first operation of said UV generating assembly is completed, said electronic control board controls said UV generating assembly to operate for a third predetermined period of time at predetermined time intervals; or
When the heating device finishes working, the electric control board controls the ultraviolet generating assembly to work for a third preset time period at preset time intervals.
6. A liquid heating vessel as claimed in claim 5 wherein said time interval is in the range 60min to 120 min; the range of the third preset time period is 2 min-20 min.
7. A liquid heating vessel as claimed in claim 2, wherein when said electronic control board (41) receives a heating command, said electronic control board controls said heating device to start operation, and when the operation of said heating device is finished, said electronic control board controls said ultraviolet generating assembly to operate for a third preset time period at preset time intervals.
8. A liquid heating vessel as claimed in claim 7 wherein said predetermined temperature value is in the range of 60 ℃ to 75 ℃.
9. A liquid heating vessel as claimed in claim 1 wherein said control assembly further comprises a manual control switch electrically connected to said ultraviolet light generating assembly, said ultraviolet light generating assembly operating when said manual control switch is in an on state and ceasing to operate when said manual control switch is in an off state.
10. A method of controlling an ultraviolet light generating assembly of a liquid heating vessel, comprising the steps of:
acquiring an ultraviolet sterilization instruction;
controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction so as to inject ultraviolet rays into the kettle cavity to kill bacteria in the liquid;
the control method of the ultraviolet generating assembly of the liquid heating container further comprises the following steps:
monitoring the temperature of the liquid in the kettle cavity of the liquid heating container;
and when the temperature of the liquid in the kettle cavity is higher than a preset temperature value, controlling the ultraviolet generating assembly to keep a closed state.
11. The control method of ultraviolet generating module for liquid heating vessel as set forth in claim 10,
when the electric control board of the liquid heating container receives a heating instruction, determining that a first ultraviolet sterilization instruction is obtained; the step of controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction comprises the following steps: according to the first ultraviolet sterilization instruction, firstly controlling the ultraviolet generating assembly to continuously work for a first preset time period, and then controlling a heating device of the liquid heating container to start to work; alternatively, the first and second electrodes may be,
when the electric control board of the liquid heating container receives a heating instruction, determining that a first ultraviolet sterilization instruction is obtained; the step of controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction comprises the following steps: controlling the ultraviolet generating assembly to continuously work for a first preset time period according to the first ultraviolet sterilization instruction, and controlling a heating device of the liquid heating container to start to work when a preset standby time elapses after the ultraviolet sterilization instruction is received, wherein the preset standby time is less than a fourth preset time period; alternatively, the first and second electrodes may be,
when the electric control board of the liquid heating container receives a heating instruction, determining that a first ultraviolet sterilization instruction is obtained; the step of controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction comprises the following steps: according to the first ultraviolet sterilization instruction, the ultraviolet generation assembly and the heating device of the liquid heating container are controlled to be started to work simultaneously, and the continuous working time of the ultraviolet generation assembly is a second preset time period; alternatively, the first and second electrodes may be,
when the heating device of the liquid heating container works for a preset heating time, determining that a first ultraviolet sterilization instruction is obtained; the step of controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction comprises the following steps: and controlling the ultraviolet ray generation assembly to continuously work for a second preset time period according to the first ultraviolet sterilization instruction, and controlling the heating device of the liquid heating container to continuously work in the working process of the ultraviolet ray generation assembly.
12. The control method of ultraviolet generating module for liquid heating vessel as set forth in claim 11,
when the heating device finishes working, determining that a second ultraviolet sterilization instruction is obtained;
the step of controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction further comprises: and controlling the ultraviolet generating assembly to continuously work for a third preset time period at preset time intervals according to the second ultraviolet sterilization instruction.
13. The control method of ultraviolet generating module for liquid heating vessel as set forth in claim 10,
when the heating device of the liquid heating container finishes working, the ultraviolet sterilization instruction is considered to be acquired;
the step of controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction comprises the following steps: and controlling the ultraviolet generating assembly to continuously work for a third preset time period at preset time intervals according to the ultraviolet sterilization instruction.
14. The method for controlling an ultraviolet generating component of a liquid heating container according to claim 10, wherein when a manual control switch of the ultraviolet generating component is in an on state, it is determined that the ultraviolet sterilization instruction is acquired;
the step of controlling the ultraviolet generating assembly to work according to the ultraviolet sterilization instruction comprises the following steps: and controlling the ultraviolet generating assembly to continuously work until the manual control switch is closed according to the ultraviolet sterilization instruction.
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| JP3180696B2 (en) * | 1996-12-20 | 2001-06-25 | 松下電器産業株式会社 | Electric water heater |
| JP2000152873A (en) * | 1998-11-20 | 2000-06-06 | Sharp Corp | Electric heat insulating pot |
| HK1045056A2 (en) * | 2001-09-03 | 2002-11-01 | Wing Kin Chan | Domestic appliances |
| WO2016189800A1 (en) * | 2015-05-26 | 2016-12-01 | パナソニックＩｐマネジメント株式会社 | Water supply device |
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