CN110731703A - steam generator water replenishing control system and method and cooking device - Google Patents
steam generator water replenishing control system and method and cooking device Download PDFInfo
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- CN110731703A CN110731703A CN201910983358.3A CN201910983358A CN110731703A CN 110731703 A CN110731703 A CN 110731703A CN 201910983358 A CN201910983358 A CN 201910983358A CN 110731703 A CN110731703 A CN 110731703A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 189
- 238000010411 cooking Methods 0.000 title claims description 18
- 238000000034 method Methods 0.000 title claims description 17
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 230000001502 supplementing effect Effects 0.000 claims abstract description 18
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000001012 protector Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 1
- 238000009841 combustion method Methods 0.000 description 1
- 230000009246 food effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003020 moisturizing effect Effects 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- A47J36/00—Parts, details or accessories of cooking-vessels
-
- 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
- A47J27/04—Cooking-vessels for cooking food in steam; Devices for extracting fruit juice by means of steam ; Vacuum cooking vessels
-
- 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
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/0623—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity
- A47J37/0629—Small-size cooking ovens, i.e. defining an at least partially closed cooking cavity with electric heating elements
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Commercial Cooking Devices (AREA)
Abstract
The invention provides an water supplementing control system of a steam generator, which comprises a water tank, a water level detection unit, a water feeding pump, a steam generator temperature detection unit, a water supplementing controller and a steam generator body, wherein the water level detection unit is fixed on the water tank, the water feeding pump is connected between the water tank and the steam generator body through a water pipe, the steam generator temperature detection unit is fixed on the steam generator body, and the water level detection unit, the water feeding pump and the steam generator temperature detection unit are all electrically connected with the water supplementing controller.
Description
Technical Field
The invention belongs to the technical field of cooking devices, and particularly relates to steam generator water replenishing control systems and methods and a cooking device.
Background
In the prior art, a water injection control logic of the steam generator is that when the condition that the water amount in the steam generator is too low or no water begins to dry, a water pump is started, quantitative water is injected into the steam generator from a water tank to complete water injection, and when the steam generator is dried again, water injection is performed again, each time the water injection is passive, the steam generator is waited for the dry burning, and because steam is not generated during the dry burning, the temperature in an inner cavity of the steam generator is reduced, the cooking effect of food materials is affected, and the user experience is poor.
Disclosure of Invention
In order to solve the problems in the prior art, the invention aims to provide kinds of water replenishing control systems and methods for a steam generator and a cooking device, which are used for realizing intelligent water replenishing of the steam generator and ensuring that the steam generator is sufficient in water use and excessive in residual water.
In order to achieve the purpose, the invention firstly provides an water supplementing control system for a steam generator, which comprises a water tank, a water level detection unit, a water feeding pump, a steam generator temperature detection unit, a water supplementing controller and a steam generator body, wherein the water level detection unit is fixed on the water tank, the water feeding pump is connected between the water tank and the steam generator body through a water pipe, the steam generator temperature detection unit is fixed on the steam generator body, and the water level detection unit, the water feeding pump and the steam generator temperature detection unit are all electrically connected with the water supplementing controller.
it also comprises a temperature controller fixed on the steam generator body and electrically connected with the temperature detecting unit of the steam generator.
, the thermostat includes a kick type overheat protector for stopping or starting the operation of the steam generator.
, the steamer also comprises a steamer temperature detection unit which is fixed on the steamer cavity.
The invention also provides steam generator water replenishing control methods, which are used for the steam generator water replenishing control system and comprise the following steps:
s1, operating the steam generator;
s2, detecting the internal temperature of the steam generator body by the steam generator temperature detecting unit, judging that the steam generator body is firstly dried when the internal temperature reaches a set dry-burning temperature value, and entering the step S3; otherwise, continuously detecting the internal temperature;
s3, injecting water into the steam generator body by the water tank, continuously heating the steam generator, detecting the temperature inside the steam generator body again by the steam generator temperature detection unit, judging that the steam generator body is dry-burned again when the temperature inside the steam generator body reaches the set dry-burned temperature value again, and entering the step S4; otherwise, continuously detecting the internal temperature;
s4, the water supplementing controller analyzes the water level information of the water tank detected by the water level detection unit during the two times of dry burning, and calculates the water consumption speed of the steam generator body within the interval time of the two times of dry burning; the water supplementing controller adjusts the water injection speed of the water tank to the steam generator body, so that the water consumption speed is not less than the water consumption speed.
And , setting the bottom area of the water tank as S, detecting the difference of the water level of the water tank as H by the water level detection unit during two times of dry burning, setting the interval time of the two times of dry burning as T, and setting the water consumption speed as V, wherein V is H S/T.
, the water replenishing controller controls the speed of the water tank filling the steam generator body by adjusting the work load of the water supply pump.
, the dry-fire temperature is set to 120-130 ℃.
, when the temperature inside the steam generator body exceeds the protection temperature, the heating of the steam generator body is stopped, and the heating is resumed after the temperature is reduced to the normal working value, wherein the protection temperature is 180-220 ℃.
The invention also provides cooking devices, which comprise a cooking device body and the water replenishing control system of the steam generator, wherein the water replenishing control system of the steam generator is positioned in the cooking device body.
Compared with the prior art, the water supplementing control system, the water supplementing control method and the cooking device for the steam generator provided by the invention have the advantages that the temperature detection unit of the steam generator is used for detecting that the steam generator is subjected to twice dry burning, then the water supplementing controller is used for analyzing the water level information of the water tank detected by the water level detection unit during the twice dry burning, and calculating to obtain the water consumption speed of the steam generator body in the interval time of the twice dry burning; the water supplementing controller adjusts the water injection speed of the water tank to the steam generator body, so that the water injection speed is slightly higher than the water consumption speed. Therefore, the steam generator can be guaranteed to have sufficient water in the next work, and after the cooking is finished, excessive residual water cannot be left in the steam generator, so that water resources are saved, and peculiar smell and water scale cannot be generated.
Drawings
FIG. 1 is a schematic diagram of a steam generator water replenishment control system according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating the connection of a water replenishment control system of a steam generator according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a method for controlling water replenishment of a steam generator according to a second embodiment of the present invention;
FIG. 4 is a logic diagram of the control of the water level in the steam generator according to the second embodiment of the present invention;
FIG. 5 is a temperature profile of the water replenishment control system of the steam generator according to the second embodiment of the present invention;
Detailed Description
For purposes of making the objects, aspects and advantages of the present invention more apparent, the present invention will be described in detail below with reference to the accompanying drawings and examples.
Example :
an embodiment of the invention provides a steam generator water replenishing control system, which comprises a water tank 1, a water level detection unit, a water feeding pump 3, a steam generator temperature detection unit, a water replenishing controller 5 and a steam generator body 6, wherein in the embodiment, the water level detection unit is preferably a water level sensor 2, the steam generator temperature detection unit is preferably a steam generator temperature sensor, the water level sensor 2 is fixed on the water tank 1, the water feeding pump 3 is connected between the water tank 1 and the steam generator body 6 through a water pipe, the steam generator temperature sensor 4 is fixed on the steam generator body 6, and the water level sensor 2, the water feeding pump 3 and the steam generator temperature sensor 4 are all electrically connected with the water replenishing controller 5, as shown in fig. 1 and 2.
By adopting the structure, the steam generator temperature sensor 4 is used for detecting and judging that the steam generator body 6 is subjected to twice dry burning, then the water supplementing controller 5 is used for analyzing the water level information of the water tank 1 detected by the water level sensor 2 during twice dry burning, and calculating to obtain the water consumption speed of the steam generator body 6 in the interval time of twice dry burning; inside water pump 3 pumped the water in water tank 1 to steam generator body 6, moisturizing controller 5 adjusted water pump 3's work load, then controlled water tank 1 to steam generator body 6's water injection speed, then set for the water injection speed and be equal to or be greater than the speed of consuming water slightly, just so can continuously supply sufficient water volume for steam generator body 6 to after the culinary art finished, steam generator body 6 inside also can not remain too much surplus water.
The embodiment further comprises a temperature controller 7 and a steam box temperature sensor 8. the temperature controller 7 is fixed on the steam generator body 6 and is electrically connected with the steam generator temperature sensor 4, the steam generator temperature sensor 4 transmits the detected temperature signal to the temperature controller 7. the temperature controller 7 comprises a sudden-jump type overheat protector, which is used for performing overheat protection on the steam generator body 6, when a fault occurs, the steam generator body 6 does not continuously dry-burn the supplemented water for a long time, when the temperature rises to 200 ℃, the sudden-jump type overheat protector jumps off, so that the steam generator body 6 stops heating and dry-burns, and after the fault is removed and the temperature is reduced to a specified value, the sudden-jump type overheat protector can recover the heating work of the steam generator body 6.
The steam box temperature sensor 8 is fixed on the steam box cavity 9. When the steam generator body 6 is dry-fired, enough steam cannot be generated to enter the steam box cavity 9, so that the temperature of the steam box cavity 9 begins to drop. Detect the temperature information of steam box cavity 9 through steam box sensor 8, also can judge whether steam generator body 6 is carrying out dry combustion method.
Example two:
an embodiment of the present invention provides methods for controlling water replenishment of a steam generator, which are used in the steam generator water replenishment control system in embodiment , and as shown in fig. 3 and 4, the method includes the following steps:
s1, operating the steam generator;
s2, detecting the internal temperature of the steam generator body 6 by the steam generator temperature sensor 4, judging that the steam generator body 6 is firstly dried when the internal temperature reaches a set dry-burning temperature value, and entering the step S3; otherwise, continuously detecting the internal temperature;
s3, the water tank 1 injects water into the steam generator body 6, the steam generator continues to heat, the steam generator temperature sensor 4 detects the temperature inside the steam generator body 6 again, when the temperature inside the steam generator body reaches the set dry-burning temperature value again, the steam generator body 6 is judged to be dry-burned again, and the step S4 is entered; otherwise, continuously detecting the internal temperature;
s4, the water supplementing controller 5 analyzes the water level information of the water tank 1 detected by the water level sensor 2 in the two times of dry burning, and calculates the water consumption speed of the steam generator body 6 in the two times of dry burning interval time; the water supplementing controller 5 adjusts the water filling speed of the water tank 1 to the steam generator body 6 to be not less than the water consumption speed.
Wherein, the calculation mode of the water consumption speed is as follows:
the bottom area of the water tank is S, and the water level sensor 2 detects that the water level value of the water tank 1 is H respectively when the water tank is firstly dried and is dried again0And H1The difference value H of the water level of the water tank 1 during two times of dry burning is H0-H1And the interval time of the two dry burning is T, the water consumption speed is V, and then V is H S/T.
The water replenishing controller 5 adjusts the working load of the water feeding pump 3, the water filling speed is V ', and the V' is enabled to be equal to or slightly larger than V, so that enough water can be continuously replenished to the steam generator body 6, excessive residual water cannot be generated, and water resources are wasted.
The dry-burning temperature value is set within the range of 120-130 ℃, and the preferred temperature value in the embodiment is 125 ℃.
In the second embodiment, the temperature change curves of the steam box cavity 9, the inside of the steam generator body 6 and the steam outlet are shown in fig. 5, a is the temperature curve of the inside of the steam box cavity 9, B is the temperature curve of the steam outlet, C is the temperature curve of the inside of the steam generator body 6, and D is the water injection timing sequence curve of the water feed pump 3. in the dry burning and water injection process, the temperature of the steam outlet of the steam generator body 6 is reduced in two modes, i.e., a mode ① and a mode ②, and is shown as two wave troughs in fig. 5. in the dry burning process, the steam generator body 6 does not generate steam, as shown in a mode ①, in the water injection process, the temperature of water in the steam generator body 6 is reduced, and when the temperature is reduced below the boiling point, no steam is generated, as shown in a mode ②.
When the internal temperature of the steam generator body 6 exceeds the protection temperature, the steam generator body 6 stops heating, and the heating is recovered after the temperature is reduced to the normal working value. The protection temperature is 180 ℃ to 220 ℃, and the protection temperature is preferably 200 ℃ in the embodiment.
Example three:
the third embodiment of the invention also provides cooking devices, which comprise a cooking device body and the water replenishing control system of the steam generator in the third embodiment , wherein the water replenishing control system of the steam generator is positioned in the cooking device body.
The cooking device in the third embodiment includes, but is not limited to, a steam box, a steaming and baking body machine, and the like.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
- The steam generator water replenishing control system is characterized by comprising a water tank, a water level detection unit, a water feeding pump, a steam generator temperature detection unit, a water replenishing controller and a steam generator body, wherein the water level detection unit is fixed on the water tank, the water feeding pump is connected between the water tank and the steam generator body through a water pipe, the steam generator temperature detection unit is fixed on the steam generator body, and the water level detection unit, the water feeding pump and the steam generator temperature detection unit are all electrically connected with the water replenishing controller.
- 2. The steam generator refill control system of claim 1, wherein: the temperature controller is fixed on the steam generator and is electrically connected with the steam generator temperature detection unit.
- 3. The steam generator refill control system of claim 2, wherein: the temperature controller comprises a kick type overheat protector used for stopping or starting the steam generator to work.
- 4. The steam generator refill control system of claim 1, wherein: the steam box temperature detection unit is fixed on the steam box cavity.
- A method for vapor generator refill control for the evaporator refill control system of any one of claims 1-4 to , comprising the steps of:s1, operating the steam generator;s2, detecting the internal temperature of the steam generator body by the steam generator temperature detection unit, judging that the steam generator body is firstly dried when the internal temperature reaches a set dry-burning temperature value, and entering the step S3; otherwise, continuously detecting the internal temperature;s3, injecting water into the steam generator body by a water tank, continuously heating the steam generator, detecting the internal temperature of the steam generator body again by the steam generator temperature detection unit, judging that the steam generator body is dried again when the internal temperature reaches the set dry-burning temperature value again, and entering the step S4; otherwise, continuously detecting the internal temperature;s4, the water supplementing controller analyzes the water level information of the water tank detected by the water level detection unit during two times of dry burning, and calculates the water consumption speed of the steam generator body within the interval time of the two times of dry burning; and the water supplementing controller adjusts the water injection speed of the water tank to the steam generator body, so that the water injection speed is not less than the water consumption speed.
- 6. The steam generator water replenishment control method according to claim 5, characterized in that: the water level detection unit detects that the difference value of the water level of the water tank is H when the water tank is dried twice, the interval time of the dried twice is T, the water consumption speed is V, and then V is H S/T.
- 7. The steam generator water replenishment control method according to claim 5, characterized in that: and the water supplementing controller controls the water injection speed of the water tank to the steam generator body by adjusting the working load of the water feed pump.
- 8. The method as claimed in any of claims 5-7, wherein the dry-fire temperature is set within the range of about 120-130 ℃.
- 9. The method as claimed in any of claims 5-7, wherein the steam generator stops heating when the internal temperature of the steam generator exceeds a protection temperature, and resumes heating when the temperature drops to a normal working value, wherein the protection temperature is 180-220 ℃.
- 10, cooking device, comprising a cooking device body and the steam generator refill control system of any one of claims 1-4 through , the steam generator refill control system being located within the cooking device body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910983358.3A CN110731703A (en) | 2019-10-16 | 2019-10-16 | steam generator water replenishing control system and method and cooking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910983358.3A CN110731703A (en) | 2019-10-16 | 2019-10-16 | steam generator water replenishing control system and method and cooking device |
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| CN110731703A true CN110731703A (en) | 2020-01-31 |
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| CN201910983358.3A Pending CN110731703A (en) | 2019-10-16 | 2019-10-16 | steam generator water replenishing control system and method and cooking device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111365701A (en) * | 2020-03-19 | 2020-07-03 | 杭州老板电器股份有限公司 | Steam generator, water level control method thereof and steam cooking device |
| CN111425829A (en) * | 2020-03-16 | 2020-07-17 | 华帝股份有限公司 | Steam generator, cooking equipment and cleaning method of cooking equipment |
| CN111457336A (en) * | 2020-04-09 | 2020-07-28 | 广东美的厨房电器制造有限公司 | Steam assembly and cooking equipment |
| CN112493842A (en) * | 2020-12-17 | 2021-03-16 | 华帝股份有限公司 | Control method of steam cooking device and steam cooking device |
| CN113446595A (en) * | 2020-03-24 | 2021-09-28 | 宁波方太厨具有限公司 | Dry burning detection method of steam generator |
| CN114468746A (en) * | 2020-11-13 | 2022-05-13 | 杭州九阳小家电有限公司 | Control method of disc type water storage steam generator and cooking equipment |
| CN114515105A (en) * | 2020-11-19 | 2022-05-20 | 广东美的生活电器制造有限公司 | Cooking appliance, control method and control device for preventing dry pumping of pump and storage medium |
-
2019
- 2019-10-16 CN CN201910983358.3A patent/CN110731703A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111425829A (en) * | 2020-03-16 | 2020-07-17 | 华帝股份有限公司 | Steam generator, cooking equipment and cleaning method of cooking equipment |
| CN111365701A (en) * | 2020-03-19 | 2020-07-03 | 杭州老板电器股份有限公司 | Steam generator, water level control method thereof and steam cooking device |
| CN113446595A (en) * | 2020-03-24 | 2021-09-28 | 宁波方太厨具有限公司 | Dry burning detection method of steam generator |
| CN111457336A (en) * | 2020-04-09 | 2020-07-28 | 广东美的厨房电器制造有限公司 | Steam assembly and cooking equipment |
| CN114468746A (en) * | 2020-11-13 | 2022-05-13 | 杭州九阳小家电有限公司 | Control method of disc type water storage steam generator and cooking equipment |
| CN114515105A (en) * | 2020-11-19 | 2022-05-20 | 广东美的生活电器制造有限公司 | Cooking appliance, control method and control device for preventing dry pumping of pump and storage medium |
| CN112493842A (en) * | 2020-12-17 | 2021-03-16 | 华帝股份有限公司 | Control method of steam cooking device and steam cooking device |
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