Steam generator and control method and control device thereof

Abstract

The application discloses a steam generator and a control method and device thereof. The control method comprises the following steps: setting a custom parameter, controlling the steam generator to operate according to the custom parameter, adding water into the steam generator according to the detection result of a water level detection device of the steam generator in the operating process, triggering a memory instruction of the steam generator to record the custom parameter and the water adding information in the operating process of the steam generator, and controlling the water level detection device to stop working and controlling the steam generator to operate according to the water adding information in the last operating process when the current custom parameter is the same as the custom parameter in the last operating process. The control method of the steam generator is beneficial to prolonging the service life of the water level detection device.

Description

Technical Field

[0001] The present invention relates to the technical field of steam equipment, and in particular to a steam generator and a control method and a control device thereof. Background Art

[0002] Steam generators use water level detection devices to monitor the water level to ensure proper operation. Related technologies obtain water level information by applying a pulse signal to the device's probe. However, the device needs to monitor the water level in real time. To achieve this, the pulse signal applied requires a high frequency, which can cause the probe to electrolyze within a short period of time, rendering the device inoperable. Summary of the Invention

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a control method for a steam generator, which is conducive to extending the service life of a water level detection device.

[0004] The present invention also provides a control device for a steam generator.

[0005] The present invention also provides a steam generator having the above control device.

[0006] According to an embodiment of the first aspect of the present invention, a control method for a steam generator includes: setting custom parameters, controlling the steam generator to operate according to the custom parameters, and during operation, adding water to the steam generator according to the detection results of a water level detection device of the steam generator; triggering a memory instruction of the steam generator to record the custom parameters and water addition information during the operation of the steam generator; when the steam generator runs next time, if the current custom parameters are the same as the custom parameters during the last operation, controlling the water level detection device to stop working, and controlling the steam generator to operate according to the water addition information during the last operation.

[0007] According to the control method of the steam generator of an embodiment of the present invention, by enabling the steam generator to have a customization function and a recording function, and setting the steam generator to stop working when the next time it runs, if the current customization parameters are the same as the customization parameters during the last operation, and control the steam generator to operate according to the water addition information recorded during the last operation, thereby reducing the number of working times of the water level detection device and slowing down the growth rate of the cumulative working time of the water level detection device while ensuring the normal operation of the steam generator, thereby effectively reducing the frequency of the pulse signal applied to the probe of the water level detection device, avoiding electrolysis of the probe of the water level detection device, ensuring the reliable use of the water level detection device, and extending the service life of the water level detection device.

[0008] In some embodiments, the steam generator is controlled to run according to the current customized parameter and to add water into the steam generator according to the detection result of the water level detection device if the current customized parameter is different from the customized parameter in any previous run.

[0009] In some embodiments, the control method of the steam generator further comprises triggering the memory instruction of the steam generator again to record the current customized parameter and the water adding information in the current running process of the steam generator.

[0010] In some embodiments, the water level detection device has a preset water level range, and the water is added into the steam generator according to the detection result of the water level detection device, which comprises adding water into the steam generator if the actual water level in the steam generator is not within the preset water level range.

[0011] In some embodiments, water is continuously added into the steam generator according to the customized parameter and the detection result of the water level detection device.

[0012] In some embodiments, the customized parameter comprises a set temperature and a set running time, and the water adding information comprises a water adding amount and a water adding time point.

[0013] In some embodiments, the steam generator comprises a water supply device and a timing device, the water supply device comprises a water pumping assembly and a flow detection assembly, the water pumping assembly is used to add water into the steam generator, the flow detection assembly is used to obtain the water adding amount, and the timing device is used to obtain the actual running time of the steam generator and the water adding time point.

[0014] In some embodiments, the bottom of the steam generator is provided with a temperature detection device, and the control method further comprises adding water into the steam generator if the detection temperature of the temperature detection device exceeds a preset temperature.

[0015] According to the control device of the steam generator of the second aspect of the embodiments of the present application, the steam generator comprises a water level detection device and a water supply device, the control device comprises a controller, the controller is used to receive a customized parameter and to control the steam generator to run according to the customized parameter, and is used to control the water supply device to run according to the detection result of the water level detection device and to control the water supply device to run according to the water adding information in the previous running process of the steam generator if the current customized parameter is the same as the customized parameter in the previous running; a memory, the memory is in communication with the controller and is used to record the customized parameter and the water adding information of the water supply device in the running process of the steam generator.

[0016] According to the control device of the steam generator of the embodiment of the present invention, the working times of the water level detection device can be reduced, and the growth rate of the cumulative working time of the water level detection device can be slowed down, while ensuring the normal operation of the steam generator, thereby avoiding electrolysis of the probe of the water level detection device and prolonging the service life of the water level detection device.

[0017] The steam generator according to the third embodiment of the present invention includes the control device of the steam generator according to the second embodiment of the present invention.

[0018] According to the steam generator of the embodiment of the present invention, the above-mentioned control device is adopted to ensure the normal operation of the steam generator and the reliable use of the water level detection device.

[0019] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments with reference to the accompanying drawings, in which:

[0021] Figure 1 is a flow chart of a method for controlling a steam generator according to an embodiment of the present invention;

[0022] Figure 2 is a flow chart of a method for controlling a steam generator according to another embodiment of the present invention;

[0023] Figure 3 is a flow chart of a method for controlling a steam generator according to yet another embodiment of the present invention;

[0024] Figure 4 is a schematic diagram of a steam generator according to one embodiment of the present invention;

[0025] Figure 5 is a structural schematic diagram of a steam generator according to one embodiment of the present invention;

[0026] Figure 6 yes Figure 5 A cross-sectional view of a steam generator shown in ;

[0027] Figure 7 yes Figure 5 An exploded view of a steam generator is shown in FIG;

[0028] Figure 8 is a structural schematic diagram of a steam generator according to another embodiment of the present invention;

[0029] Figure 9 yesFigure 8 An exploded view of a steam generator is shown in FIG;

[0030] Figure 10 yes Figure 8 A cross-sectional view of a steam generator shown in ;

[0031] Figure 11 yes Figure 8 Another cross-sectional view of a steam generator is shown in FIG.

[0032] Reference numerals:

[0033] Steam generator 100,

[0034] Water level detection device 10, probe 10a, water supply device 20, water pump assembly 201, flow detection assembly 202,

[0035] Timing device 30, control device 40, controller 401, memory 402,

[0036] First water level detection device 1, probe 10a

[0037] Second water level detection device 2, probe 10a

[0038] Shell 4, water inlet 4a, steam outlet 4b, drain outlet 4c, chamber 40R,

[0039] The first chamber 40a, the second chamber 40b, the first sub-chamber 40c, the second sub-chamber 40d,

[0040] Upper shell 41, lower shell 42,

[0041] Mounting column 43, mounting through hole 43a,

[0042] Stop edge 44,

[0043] The first partition 5, the first communication port 5a, the second communication port 5b,

[0044] Heating component 6,

[0045] The second partition 7, the third communication port 7a,

[0046] The shielding member 8 , the first shielding portion 81 , and the second shielding portion 82 . DETAILED DESCRIPTION

[0047] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0048] The following disclosure provides many different embodiments, or examples, for implementing different structures of the present application. For the purpose of simplifying the present application, the components and arrangements of the specific examples are described. Of course, they are merely examples and are presented for the purpose of illustration and description only. It is not intended to be limiting of the present application. Furthermore, the present application can repeat reference numerals and / or letters in different examples. Such repetitions are for the purpose of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and / or configurations discussed. Moreover, the present application provides various examples of specific processes and materials, but one of ordinary skill in the art will appreciate the applicability of other processes and / or the use of other materials.

[0049] Next, a control method of the steam generator 100 according to the first aspect of the present application is described with reference to the accompanying drawings.

[0050] As shown in the figure, the control method of the steam generator 100 includes the following steps: Figures 1-3

[0051] The custom parameters are set, and the steam generator 100 is controlled to operate according to the custom parameters. It should be noted that when setting the custom parameters, the operating conditions that the steam generator 100 can reach must be met first, that is, when the steam generator 100 is operating, the steam generator 100 can be further set according to the actual demand, so that the steam generator 100 can further meet the actual demand. In addition, the "custom parameters" here can be understood as the operating parameters of the steam generator 100 set by the user or the steam generator 100 according to the actual demand, the situation of the steam generator 100 itself, etc.

[0052] It can be understood that the sequence of "setting custom parameters" and "starting the steam generator 100" can be set according to actual application, that is, the steam generator 100 can be started first, and then the custom parameters can be set, or the custom parameters can be set first, and then the steam generator 100 can be started, or "setting custom parameters" and "starting the steam generator 100" can be performed at the same time.

[0053] ​During operation, water is added to the steam generator 100 according to the detection result of the water level detection device 10 of the steam generator 100. The water level detection device 10 can be used to detect the water level in the steam generator 100, so as to control the addition of water to the steam generator 100 when the water level in the steam generator 100 is low, and to control the stop of adding water to the steam generator 100 when the water level in the steam generator 100 is high, thereby facilitating the prevention of water spraying out from the steam outlet of the steam generator 100 due to the high water level in the steam generator 100, and preventing the steam generator 100 from dry burning due to the low water level in the steam generator 100, and avoiding the explosion sound caused by water flowing into the steam generator 100 during dry burning, thereby ensuring the normal operation of the steam generator 100 while ensuring the dryness of the steam sprayed from the steam generator 100.

[0054] It can be understood that the water level detection frequency of the water level detection device 10 can be set according to actual needs. For example, the water level detection device 10 can be used to detect the water level in the steam generator 100 in real time, or the water level detection device 10 can detect the water level in the steam generator 100 at predetermined intervals.

[0055] The memory instruction of the steam generator 100 is triggered to record the custom parameters and the water addition information during the operation of the steam generator 100. For example, the steam generator 100 may have a controller 401, and the controller 401 may record and store the custom parameters of the steam generator 100. The controller 401 of the steam generator 100 may also call the custom parameters recorded in the controller 401 and operate the steam generator 100 according to the parameters. Moreover, the recorded custom parameters and the water addition information correspond to each other. That is, the steam generator 100 operates according to the custom parameters and corresponds to certain water addition information under the monitoring of the water level detection device 10 to ensure the normal operation of the steam generator 100.

[0056] When the steam generator 100 is running next time, if the current custom parameters are the same as the custom parameters during the previous operation, that is, during the above-mentioned "next operation", the corresponding custom parameters are the same as the custom parameters during a previous operation, then the water level detection device 10 is controlled to stop working, and the steam generator 100 is controlled to operate according to the water addition information during the previous operation, that is, the water addition information during the above-mentioned "next operation" is also the same as the water addition information during the above-mentioned previous operation, and since the water addition information during the above-mentioned previous operation has been recorded, there is no need to detect the water level through the water level detection device 10 during the above-mentioned "next operation", that is, Without the water level detection device 10 working, the normal operation of the steam generator 100 can also be guaranteed, and the water level in the steam generator 100 can be prevented from being too high or too low. At the same time, the number of working times of the water level detection device 10 can be reduced, and the growth rate of the cumulative working time of the water level detection device 10 can be slowed down. Therefore, under the premise of ensuring the normal operation of the steam generator 100, the frequency of the pulse signal applied to the probe 10a of the water level detection device 10 is effectively reduced, the number of detections of the water level detection device 10 is reduced, and the electrolysis of the probe 10a of the water level detection device 10 is avoided, thereby ensuring the reliable use of the water level detection device 10 and extending the service life of the water level detection device 10.

[0057] It should be noted that the two operations referred to by "next operation" and "last operation" may be two adjacent operations of the steam generator 100. In this case, the first operation of the two adjacent operations is the previous operation, and the second operation is the next operation. Of course, the two operations referred to by "next operation" and "last operation" may not be adjacent, for example, there is at least one operation between "next operation" and "last operation". In other words, the time point corresponding to "next operation" is after the time point corresponding to "last operation".

[0058] Compared with some technologies that avoid electrolysis of the probe of the water level detection device by reducing the pulse voltage applied to the probe of the water level detection device, the present application enables the steam generator 100 to have a customization function and a recording function, and sets the steam generator 100 to stop working when the current customization parameters are the same as the customization parameters during the last operation when the steam generator 100 is operated next time, and controls the steam generator 100 to operate according to the water addition information recorded during the last operation. Therefore, under the premise of ensuring the normal operation of the steam generator 100, the working times of the water level detection device 10 are reduced and the growth rate of the cumulative working time of the water level detection device 10 is slowed down, thereby effectively reducing the frequency of the pulse signal applied to the probe 10a of the water level detection device 10, avoiding electrolysis of the probe 10a of the water level detection device 10, ensuring the reliable use of the water level detection device 10, and extending the service life of the water level detection device 10.

[0059] In some embodiments of the present invention, Figure 2 and Figure 3 As shown, when the steam generator 100 runs next time, if the current custom parameters are different from the custom parameters during any previous run, the steam generator 100 is controlled to run according to the current custom parameters, and water is added to the steam generator 100 according to the detection results of the water level detection device 10; in other words, if during the above-mentioned "next run", the corresponding custom parameters are different from the custom parameters during any previous run, indicating that the operating status of the steam generator 100 at any previous time is different from the operating status of the current steam generator 100, the water level detection device 10 is controlled to work, and water is added to the steam generator 100 according to the detection results of the water level detection device 10, so as to avoid the water level in the steam generator 100 being too high or too low, and ensure the normal operation of the steam generator 100.

[0060] In some embodiments of the present invention, Figure 3 As shown, the control method of the steam generator 100 also includes the following steps: triggering the memory instruction of the steam generator 100 again to record the current custom parameters and the water adding information during the current operation of the steam generator 100. At this time, the current custom parameters and corresponding water adding information recorded are operating states that the steam generator 100 has never had before. Then, by analogy, the recorded custom parameters and corresponding water adding information will gradually increase, and different custom parameters will correspond to different water adding information, so that the recorded information is gradually enriched, which is conducive to further reducing the number of working times of the water level detection device 10 and slowing down the growth rate of the cumulative working time of the water level detection device 10, thereby further ensuring the service life of the water level detection device 10.

[0061] In some embodiments of the present invention, the water level detection device 10 has a preset water level range, and water is added to the steam generator 100 according to the detection result of the water level detection device 10 of the steam generator 100, including: if the actual water level in the steam generator 100 is not within the preset water level range, water is added to the steam generator 100, so as to ensure that the steam generator 100 always has a suitable water level during the entire operation process, and at the same time ensure that the free water surface in the steam generator 100 is always at a relatively stable height.

[0062] Optionally, if the actual water level in the steam generator 100 is within a preset water level range, water addition to the steam generator 100 may be stopped; but the present invention is not limited thereto. For example, the control method for the steam generator 100 may include continuously adding water to the steam generator 100 based on custom parameters and the detection results of the water level detection device 10, so as to ensure that the difference between the amount of water added and the amount of steam output from the steam generator 100 per unit time does not exceed a predetermined range, so that the amount of water added per unit time is substantially equivalent to the amount of steam output from the steam generator 100 per unit time. This can also ensure that the water level in the steam generator 100 is always at an appropriate height, avoid frequent starting and stopping of the water supply device 20 of the steam generator 100, and facilitate reducing the water level height range corresponding to the preset water level range, thereby improving the water level control accuracy in the steam generator 100.

[0063] Among them, the preset water level range can have a minimum water level threshold and a maximum water level threshold, the minimum water level threshold is less than or equal to the maximum water level threshold, the maximum water level threshold is less than or equal to the maximum water level height of water that can be held in the steam generator 100, and the minimum water level threshold is greater than or equal to the maximum water level height of water that can be held in the steam generator 100; but it is not limited to this.

[0064] Of course, water may also be added to the steam generator 100 intermittently according to the custom parameters and the detection result of the water level detection device 10 , for example, a certain amount of water may be added to the steam generator 100 at predetermined intervals.

[0065] In some embodiments of the present invention, the custom parameters include a set temperature and a set operating time. For two operations of the steam generator 100, if at least one of the set temperature and the set operating time during the two operations is different, it indicates that the custom parameters of the two operations are different. If the set temperature and the set operating time during the two operations are the same, it indicates that the custom parameters of the two operations are the same.

[0066] The "set running time" can be understood as the current running time of the steam generator 100. The steam generator 100 starts running and stops running when the working time of the steam generator 100 reaches the set running time.

[0067] The water adding information includes the amount of water added and the time point of water adding. The water adding time point can be counted from the start of the operation of the steam generator 100. For example, after the steam generator 100 has been running for 5 minutes, 100 ml of water is added to the steam generator 100. After the steam generator 100 has been running for 10 minutes, 90 ml of water is added to the steam generator 100. The water adding time point and the corresponding amount of water added can be: at 5 minutes, 100 ml of water is added, and at 10 minutes, 90 minutes of water is added.

[0068] In some embodiments of the present invention, the set temperature includes at least one of a set steam outlet temperature and a set heating temperature. The set steam outlet temperature can be the temperature of the steam provided by the set steam generator 100. The steam generator 100 is controlled to operate according to the set steam outlet temperature, so that the temperature of the steam provided by the steam generator 100 is close to or equal to the set steam outlet temperature; the set heating temperature can be the heating temperature of the water heated by the set steam generator 100. The steam generator 100 is controlled to operate according to the set heating temperature, so that the heating temperature of the heating component of the steam generator 100 is close to or reaches the set heating temperature.

[0069] In some embodiments of the present invention, Figure 4 and Figure 5 As shown, the steam generator 100 includes a water supply device 20 and a timing device 30. The water supply device 20 includes a water pumping component 201 and a flow detection component 202. The water pumping component 201 is used to add water to the steam generator 100, the flow detection component 202 is used to obtain the amount of water added, and the timing device 30 is used to obtain the actual operating time of the steam generator 100 and the time point of water addition.

[0070] Optionally, the water pumping component 201 is a water pump, and the water pumping component 201 can be connected to a water tank to pump water in the water tank into the steam generator 100, and the flow detection component 202 is a flow meter.

[0071] In some embodiments of the present invention, a temperature detection device is provided at the bottom of the steam generator 100, and the control method of the steam generator 100 further includes: if the detection temperature of the temperature detection device exceeds a preset temperature, indicating that the steam generator 100 has a risk of dry burning, water is added to the steam generator 100 to avoid the steam generator 100 from dry burning.

[0072] Optionally, the temperature detection device is an NTC temperature sensor.

[0073] At this time, if the current custom parameters of the steam generator 100 are the same as the custom parameters of a previous operation, the corresponding water addition information previously recorded can be adaptively corrected to further avoid the dry burning phenomenon of the steam generator 100; if the current custom parameters of the steam generator 100 are different from the custom parameters of any previous operation, then when the memory instruction of the steam generator 100 is triggered, the recorded water addition information should take into account the amount of water added to the steam generator 100 due to the detection results of the temperature detection device, so as to achieve adaptive correction of the water addition information and avoid the hidden danger of dry burning when operating according to the current custom parameters next time.

[0074] In some embodiments, the recorded corresponding water adding information can be corrected according to the actual operation of the steam generator 100, so that the corrected water adding information is more suitable for actual application.

[0075] According to the control device 40 of the steam generator 100 of the second aspect of the embodiments of the present application, the steam generator 100 comprises the water level detection device 10 and the water supply device 20, the control device 40 comprises a controller 401 and a storage 402, the controller 401 is configured to receive the customized parameter, control the steam generator 100 to operate according to the customized parameter, and control the water supply device 20 to operate according to the detection result of the water level detection device 10, and when the current customized parameter is the same as the customized parameter in the last operation, control the water supply device 20 to operate according to the water adding information in the last operation, the storage 402 is in communication with the controller 401, and the storage 402 is configured to record the customized parameter and the water adding information of the water supply device 20 in the operation of the steam generator 100.

[0076] According to the control device 40 of the steam generator 100 of the embodiments of the present application, the working frequency of the water level detection device 10 can be reduced, the growth rate of the cumulative working time of the water level detection device 10 can be slowed down, and the probe 10a of the water level detection device 10 can be prevented from being electrolyzed, which is beneficial to prolong the service life of the water level detection device 10.

[0077] According to the steam generator 100 of the third aspect of the embodiments of the present application, the steam generator 100 comprises the control device 40 of the steam generator 100 of the second aspect of the embodiments of the present application.

[0078] According to the steam generator 100 of the embodiments of the present application, the control device 40 is adopted, the steam generator 100 can operate normally, and the water level detection device 10 can be used reliably.

[0079] In some embodiments of the present application, as shown in Figure 5 、 Figure 6 、 Figure 8 and Figure 9 , the steam generator 100 further comprises a housing 4, the housing 4 defines a chamber 40R, the housing 4 is provided with a water inlet 4a and a steam outlet 4b which respectively communicate with the chamber 40R, a user can add a certain amount of water into the housing 4 through the water inlet 4a, or other components such as the water supply device 31 can inject a certain amount of water into the housing 4 through the water inlet 4a, and the steam generated by the steam generator 100 can be discharged through the steam outlet 4b.

[0080] As shown in Figures 6-7 、 Figures 9-11As shown, the steam generator 100 further includes a first partition 5, which is provided in the shell 4 and divides the chamber 40R into a first chamber 40a and a second chamber 40b. A first communication port 5a is formed on the upper portion of the first partition 5, and a lower end of the first partition 5 is spaced from the bottom wall of the shell 4 so that a second communication port 5b is defined between the lower end of the first partition 5 and the bottom wall of the shell 4. The first chamber 40a and the second chamber 40b are connected through the first communication port 5a and the second communication port 5b, so that water in the first chamber 40a can flow to the second chamber 40b through the second communication port 5b. The water in the chamber 40b and the second chamber 40b can also flow to the first chamber 40a through the second connecting port 5b. Similarly, if steam is generated in the first chamber 40a, the steam in the first chamber 40a can flow to the second chamber 40b through the first connecting port 5a. If steam is generated in the second chamber 40b, the steam in the second chamber 40b can flow to the first chamber 40a through the first connecting port 5a, so that the air pressure in the first chamber 40a is equal to the air pressure in the second chamber 40b, ensuring that the free water surface in the first chamber 40a and the free water surface in the second chamber 40b are at the same horizontal plane.

[0081] For example, the water inlet 4a and the steam outlet 4b may both be formed on the first chamber 40a or the second chamber 40b; of course, one of the water inlet 4a and the steam outlet 4b may be formed on the first chamber 40a and the other on the second chamber 40b.

[0082] Optionally, in Figure 7 、 Figure 9 and Figure 11 In the example, a stop edge 44 is provided on the inner wall of the shell 4, and the stop edge 44 protrudes from the inner wall of the shell 4, and the stop edge 44 is arranged around the steam outlet 4b, so that the stop edge 44 can play a certain shielding role on the steam outlet 4b, preventing water from spraying out of the steam outlet 4b and causing the steam generator 100 to spray water or overflow, which is beneficial to reducing the dryness of the steam discharged from the steam generator 100.

[0083] like Figure 6 、 Figure 10 and Figure 11 As shown, the steam generator 100 further includes a heating assembly 6 for heating the first chamber 40a. The water in the first chamber 40a is heated to steam, and the high-temperature steam is ultimately discharged from the housing 4 through the steam outlet 4b. The water level detection device 10 of the steam generator 100 is disposed in the second chamber 40b. Due to the isolation effect of the first partition 5, the boiling degree of the water in the second chamber 40b is lower than that of the water in the first chamber 40a. This helps prevent the water in the second chamber 40b from boiling violently and affecting the accuracy of water level detection, thereby ensuring the accuracy of water level detection.

[0084] It can be understood that since the heating component 6 is used to heat the water in the first chamber 40a, the water in the first chamber 40a is subjected to more heat. Compared with the second chamber 40b, the boiling of the water in the first chamber 40a is more intense. The first chamber 40a can correspond to the "hot water boiling zone" and the second chamber 40b can correspond to the "hot water non-boiling zone". By arranging the water level detection device 10 in the second chamber 40b, the accuracy of the water level detection can be guaranteed.

[0085] It should be noted that the water in the second chamber 40 b does not necessarily not boil, but means that the water in the first chamber 40 a boils more violently than the water in the second chamber 40 b.

[0086] Optionally, in Figure 5 and Figure 8 In the example shown in FIG4 , the housing 4 is further formed with a drain port 4c that communicates with the chamber 40R, and water in the housing 4 can be drained out of the housing 4 through the drain port 4c. For example, the drain port 4c can be formed at the bottom of the chamber 40R to facilitate draining all the water in the housing 4 and avoid residual water in the housing 4.

[0087] Optionally, the heating component 6 may be arranged outside the housing 4 , so that scale will not accumulate on the heating component 6 .

[0088] In some embodiments, as Figure 7 、 Figure 9 and Figure 11 As shown, the steam outlet 4b is provided in the second chamber 40b, and the steam generated in the first chamber 40a can flow to the second chamber 40b through the first connecting port 5a, and be discharged outside the shell 4 through the steam outlet 4b. The setting of the first partition 5 will not affect the normal discharge of steam. At the same time, when the high-temperature steam encounters the first partition 5, the moisture carried by the high-temperature steam can condense on the first partition 5, which can prevent excessive water from being carried into the second chamber 40b. Then, since the water in the second chamber 40b is reduced, it is convenient to reduce the amount of water overflowing from the steam outlet 4b, which is beneficial to prevent the water and water vapor mixture in the shell 4 from being ejected from the steam outlet 4b, thereby further reducing the dryness of the steam ejected by the steam generator 100. When the steam generator 100 is used for steam cooking utensils, it can improve the taste of food, facilitate the cleaning of steam cooking utensils, and improve the utilization rate of water resources.

[0089] In addition, since the heating component 6 is used to heat the water in the first chamber 40a, the noise generated when the water in the first chamber 40a boils is relatively large. By providing the first partition 5 to separate the chamber 40R into the first chamber 40a and the second chamber 40b, and providing the steam outlet 4b in the second chamber 40b, the noise generated when the water in the first chamber 40a boils and is transmitted to the outside of the shell 4 through the steam outlet 4b can be reduced, thereby improving the sound quality of the steam generator 100.

[0090] Optionally, in Figure 7 、 Figure 9 and Figure 11 Examples, the first partition 5 is arranged vertically, and the first communication port 5a is formed at the upper end of the first partition 5. Of course, the first partition 5 can also be arranged obliquely relative to the vertical direction, which can increase the contact area of the first partition 5 with the high-temperature steam to some extent, so that more water carried in the high-temperature steam is condensed on the first partition 5. Among them, the first partition 5 can be formed in a plate structure, and the first partition 5 can extend obliquely from bottom to top towards the first chamber 40a, or extend obliquely from bottom to top towards the second chamber 40b.

[0091] In some embodiments, as shown in Figure 6 、 Figure 7 and Figures 9-11 , the water inlet 4a is arranged in the second chamber 40b, for example, the water inlet 4a can be formed at the top side or the peripheral side of the second chamber 40b, so that the water inlet 4a is far away from the first chamber 40a, which can effectively avoid the scale on the wall surface of the water inlet 4a due to the influence of the violent boiling of water in the first chamber 40a, which is easy to cause the water inlet 4a to be blocked, ensuring the normal unobstructed of the water inlet 4a, and the water flowing from the water inlet 4a into the shell 4 will not directly hit the boiling water in the first chamber 40a, which is beneficial to reduce the water inlet noise of the steam generator 100.

[0092] In some embodiments of the present application, as shown in Figure 6 、 Figure 7 and Figures 9-11 , the steam generator 100 further comprises a second partition 7, the second partition 7 is arranged in the second chamber 40b, and the second partition 7 divides the second chamber 40b into a first sub-chamber 40c and a second sub-chamber 40d, the lower end of the second partition 7 is arranged spaced apart from the bottom wall of the shell 4, so that the lower end of the second partition 7 and the bottom wall of the shell 4 define a third communication port 7a, and the first sub-chamber 40c and the second sub-chamber 40d are communicated through the third communication port 7a, so that the water in the first sub-chamber 40c can flow to the second sub-chamber 40d through the third communication port 7a, and the water in the second sub-chamber 40d can also flow to the first sub-chamber 40c through the third communication port 7a, so that the free water surface in the first sub-chamber 40c and the free water surface in the second sub-chamber 40d are located at the same horizontal plane.

[0093] Among them, the water inlet 4a is formed in the first sub-chamber 40c, and the water flows from the water inlet 4a to the first sub-chamber 40c, and flows to the second sub-chamber 40d through the third connecting port 7a, and flows to the first chamber 40a through the second connecting port 5b, and the first water level detection device 1 and the second water level detection device 2 of the steam generator 100 are both arranged in the second sub-chamber 40d, so that the distance between the first water level detection device 1, the second water level detection device 2 and the water inlet 4a is appropriate, and then when the water flow at the water inlet 4a flows to the first sub-chamber 40c, due to the isolation effect of the second partition 7, the water level of the second sub-chamber 40d will not change significantly, resulting in misjudgment of the first water level detection device 1 and the second water level detection device 2, further ensuring the water level detection accuracy of the steam generator 100.

[0094] Optionally, in Figure 6 、 Figure 7 and Figures 9-11 In the example, the first separator 5 and the second separator 7 are both formed into a plate-like structure. The second separator 7 is provided on the thickness side of the first separator 5, and the lower end surface of the first separator 5 is flush with the lower end surface of the second separator 7, which simplifies the arrangement of the first separator 5 and the second separator 7. The first separator 5 and the second separator 7 can be perpendicular to each other.

[0095] Alternatively, as Figure 6 、 Figure 7 and Figures 9-11 As shown, there are multiple first communication ports 5a, at least one of which connects the first sub-chamber 40c and the first chamber 40a, and at least one of the remaining first communication ports 5a connects the second sub-chamber 40d and the first chamber 40a, so that the air pressure in the first sub-chamber 40c and the air pressure in the second sub-chamber 40d are equal to the air pressure in the first chamber 40a, ensuring that the free water surface in the first sub-chamber 40c and the free water surface in the second sub-chamber 40d are at the same horizontal plane as the free water surface in the first chamber 40a, thereby ensuring the accuracy of liquid level detection of the steam generator 100. For example, in Figure 6 and Figure 8 In the example, the steam outlet 4b is formed in the first sub-chamber 40c, and there are two first communicating ports 5a, one of which connects the first sub-chamber 40c and the first chamber 40a, and the other first communicating port 5a connects the second sub-chamber 40b and the first chamber 40a, and the opening area of ​​the first communicating port 5a connecting the first sub-chamber 40c and the first chamber 40a is larger than the opening area of ​​the first communicating port 5a connecting the second sub-chamber 40b and the first chamber 40a, so as to ensure smooth steam flow.

[0096] In some embodiments of the present invention, Figure 6 、 Figure 7 and Figures 9-11As shown, the first chamber 40a and the second chamber 40b are connected through the first connecting port 5a, and the steam outlet 4b is formed in the second chamber 40b. The steam generator 100 includes a shielding member 8, which is arranged between the first connecting port 5a and the steam outlet 4b to separate the first connecting port 5a and the steam outlet 4b. When the high-temperature steam flowing from the first connecting port 5a to the steam outlet 4b encounters the shielding member 8, the moisture carried by the high-temperature steam can be condensed on the surface of the shielding member 8, so as to block the water in the water-vapor mixture under extreme working conditions, so as to reduce the amount of water ejected from the steam outlet 4b and reduce the dryness of the steam ejected from the steam generator 100.

[0097] Optionally, the shielding member 8 may be formed as a flat plate structure, and the shielding member 8 may be arranged vertically.

[0098] In some embodiments of the present invention, Figure 6 、 Figure 7 and Figures 9-11 As shown, the steam generator 100 includes a first partition 5, a second partition 7 and a shielding member 8, the steam outlet 4b is formed in the first sub-chamber 40c, the shielding member 8 is arranged in the first sub-chamber 40c and one end of the shielding member 8 is connected to the second partition 7, and the shielding member 8 is arranged between the steam outlet 4b and the first connecting port 5a connecting the first sub-chamber 40c and the first chamber 40a.

[0099] Furthermore, if Figure 6 、 Figure 7 and Figures 9-11 As shown, the water inlet 4a is also formed in the first sub-chamber 40c, and the shielding member 8 is arranged opposite to the water inlet 4a, so that the water flowing out of the water inlet 4a flows directly to the shielding member 8 and flows downward to the bottom of the first sub-chamber 40c under the guidance of the shielding member 8, so that the water flowing into the shell 4 from the water inlet 4a will not directly hit the water, further reducing the water inlet noise of the steam generator 100.

[0100] Optionally, in Figure 6 and Figure 11 In the example, the shielding member 8 includes a first shielding portion 81 and a second shielding portion 82. In the up and down directions, the height of the second shielding portion 82 is less than the height of the first shielding portion 81. The first shielding portion 81 is arranged corresponding to the water inlet 4a, so as to ensure that the first shielding portion 81 can adapt to different water flow velocities at the water inlet 4a. Specifically, when the water flow velocities at the water inlet 4a are different, the water flow directions are slightly different. The height of the first shielding portion 81 is relatively large, so that when the water flow velocities at the water inlet 4a are different, the first shielding portion 81 can guide the water flow at the water inlet 4a to avoid the water flow at the water inlet 4a directly hitting the water; and the height of the second shielding portion 81 is relatively small, so as to ensure the smooth flow of steam and reduce the steam outlet resistance.

[0101] Optionally, the height of the second blocking portion 82 may be substantially equal to the height of the stopping edge 44 .

[0102] In some embodiments of the present invention, Figure 6 、 Figure 7 and Figures 9-11 As shown, the shell 4 includes an upper shell 41 and a lower shell 42 , which are connected up and down to jointly define a chamber 40R. The heating assembly 6 can be arranged on the lower side of the lower shell 42 . The upper end of the first partition 5 is connected to the inner top wall of the upper shell 41, and the lower end of the first partition 5 is spaced apart from the inner bottom wall of the lower shell 42 to define a second connecting port 5b. The first chamber 40a and the second chamber 40b are arranged in the left and right directions, and the second chamber 40b is located on the left side of the first chamber 40a. The front and rear ends of the first partition 5 are respectively stopped or connected to the corresponding inner walls of the upper shell 41; the second partition 7 is provided on the left side of the first partition 5 to separate the second chamber 40b into a first sub-chamber 40c and a second sub-chamber 40d. The upper end of the second partition 7 is connected to the inner top wall of the upper shell 41, the left end of the second partition 7 is connected to the inner wall of the upper shell 41, and the right end of the second partition 7 is connected to the first partition 5. The lower end of the second partition 7 is spaced apart from the inner bottom wall of the lower shell 42 to define a third connecting port 7a. The first partition 5 and the second partition 7 are both arranged vertically. The first partition 5 extends in the front-to-back direction, and the second partition 7 extends in the left-to-right direction.

[0103] In some embodiments of the present invention, Figure 6 、 Figure 7 、 Figure 9 and Figure 10 As shown, the shell 4 includes one or more mounting columns 43, at least a portion of each mounting column 43 extends into the chamber 40R, and a mounting through hole 43a is formed on each mounting column 43, each mounting through hole 43a is plugged into a water level detection device 10, and the probe 10a of the water level detection device 1 extends downward from the corresponding mounting through hole 43a, thereby facilitating the reliable installation of the water level detection device 10. The mounting column 43 can play a certain protective role for the water level detection device 10, and at the same time can prevent the mounting column 43 from affecting the detection accuracy of the water level detection device 10.

[0104] For example, there is one mounting column 43, and at this time there is one water level detection device 10; there are two mounting columns 43, and each mounting column 43 corresponds to installing a water level detection device 10, and there are two water level detection devices 10, and the two water level detection devices 10 are respectively the first water level detection device 1 and the second water level detection device 2, the probe 10a of the first water level detection device 1 extends downward from the mounting through hole 43a, and the probe 10a of the second water level detection device 2 extends downward from the mounting through hole 43a. Since in the up and down directions, the lower end of the probe 10a of the first water level detection device 1 is located below the probe 10a of the second water level detection device 2, the axial length of the mounting column 43 for installing the first water level detection device 1 is greater than the axial length of the mounting column 43 for installing the second water level detection device 2.

[0105] Other structures and operations of the steam generator 100 according to the embodiment of the present invention are well known to those skilled in the art and will not be described in detail here.

[0106] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like, indicating positions or positional relationships, are based on the positions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention. In addition, features defined as "first" or "second" may explicitly or implicitly include one or more of such features.

[0107] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0108] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, illustrative uses of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0109] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to the embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the claims and their equivalents.

Claims

1. A method for controlling a steam generator, characterized in that: include: Setting custom parameters, controlling the steam generator to operate according to the custom parameters, and adding water to the steam generator during operation according to the detection result of the water level detection device of the steam generator; triggering a memory instruction of the steam generator to record the custom parameters and water addition information during the operation of the steam generator; When the steam generator is operated next time, if the current customized parameters are the same as the customized parameters during the last operation, the water level detection device is controlled to stop working, and the steam generator is controlled to operate according to the water addition information during the last operation; The custom parameters include a set temperature and a set operating time, and the water adding information includes a water adding amount and a water adding time point.

2. The steam generator control method according to claim 1, characterized in that: When the steam generator is operated next time, if the current custom parameters are different from the custom parameters in any previous operation, the steam generator is controlled to operate according to the current custom parameters, and water is added to the steam generator according to the detection result of the water level detection device.

3. The steam generator control method according to claim 2, characterized in that: Also includes: The memory instruction of the steam generator is triggered again to record the current customized parameters and the water adding information during the current operation of the steam generator.

4. The steam generator control method according to claim 1, characterized in that: The water level detection device has a preset water level range, and water is added to the steam generator according to the detection result of the water level detection device, including: If the actual water level in the steam generator is not within the preset water level range, water is added to the steam generator.

5. The steam generator control method according to claim 4, characterized in that: Water is continuously added to the steam generator according to the custom parameters and the detection result of the water level detection device.

6. The steam generator control method according to claim 1, characterized in that: The steam generator includes a water supply device and a timing device. The water supply device includes a water pumping component and a flow detection component. The water pumping component is used to add water into the steam generator, the flow detection component is used to obtain the amount of water added, and the timing device is used to obtain the actual operating time of the steam generator and the water adding time point.

7. The method for controlling a steam generator according to any one of claims 1 to 6, characterized in that: A temperature detection device is provided at the bottom of the steam generator, and the control method further comprises: If the temperature detected by the temperature detection device exceeds a preset temperature, water is added to the steam generator.

8. A control device for a steam generator, characterized in that: The steam generator includes a water level detection device and a water supply device, and the control device includes: a controller, the controller being configured to receive custom parameters and control the steam generator to operate according to the custom parameters, and to control the water supply device to operate according to the detection result of the water level detection device, and further configured to control the water supply device to operate according to the water addition information during the last operation when the current custom parameters are the same as the custom parameters during the last operation; a memory, the memory being in communication with the controller and being used to record the custom parameters and water addition information of the water supply device during operation of the steam generator; The custom parameters include a set temperature and a set operating time, and the water adding information includes a water adding amount and a water adding time point.

9. A steam generator, characterized in that: The device comprises a control device for a steam generator according to claim 8.

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