CN111831016A - Water level detection device of water tank, steam box and control method of steam box - Google Patents
Water level detection device of water tank, steam box and control method of steam box Download PDFInfo
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- CN111831016A CN111831016A CN201910298132.XA CN201910298132A CN111831016A CN 111831016 A CN111831016 A CN 111831016A CN 201910298132 A CN201910298132 A CN 201910298132A CN 111831016 A CN111831016 A CN 111831016A
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- water tank
- water level
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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Abstract
The invention relates to a water level detection device of a water tank, which comprises a magnetic buoy, a reed switch, a driving mechanism and a control circuit board, wherein the reed switch and the driving mechanism are respectively and electrically connected with the control circuit board, and the reed switch is connected at the driving end of the driving mechanism and moves up and down corresponding to the moving path of the magnetic buoy. The water level detection device of the water tank can acquire water level data of any height in the water tank. The invention relates to a steam box, which comprises a base body, a water tank and a water level detection device, wherein the base body is provided with a support, the water tank is detachably arranged in the support, and a driving mechanism and a reed pipe are arranged close to the support. This steam ager can carry out the early warning to the water yield live time in the water tank. The invention also relates to a control method of the steam box, after the driving mechanism drives the reed pipe to move from the set position to the initial water level position, after the suction conduction signal of the reed pipe is detected, the initial water level data in the water box is calculated. The method can acquire any initial water level data in the water tank under the condition of singly arranging one reed pipe.
Description
Technical Field
The invention relates to a water level detection device of a water tank, a steam box using the water level detection device of the water tank, and a control method of the steam box.
Background
When the water tank is applied to various electrical appliances, a corresponding water level detection device is usually arranged to detect the water level in the water tank, and particularly, the accurate judgment of the water level directly influences the working continuity of the product with small volume of the water tank, namely a steam box. The parameters influencing the use of the water tank are set to be the highest water level and the lowest water level, a magnetic buoy and a reed switch are adopted to be matched for use in the prior art, the reed switch is set to be at alarm water level positions of the highest water level and the lowest water level, whether water in the water tank reaches the set position of the reed switch is judged according to the suction of the reed switch or not, the structure can only judge the fixed water level, and the working time of the water amount in the water tank cannot be judged in advance.
If chinese utility model patent "a water tank induction control device" that the bulletin number is CN208188666U (application number is 201820833140.0), wherein the water tank induction control device who discloses then including the contact switch and the integrated control panel of the control complete machine that set up in the frame, integrated control panel includes tongue tube control panel, contact adapter plate, the water tank back is provided with the water level that takes magnetism that corresponds with the tongue tube control panel and floats the piece, the water tank back is provided with the ultraviolet lamp control head that corresponds with contact adapter plate, set up the protruding needle of contact on the ultraviolet lamp control head, the protruding needle of contact sets up with the connection piece on the contact adapter plate correspondingly. The utility model discloses wireless connection between water tank and frame makes things convenient for taking out fast and pack into of water tank, excellent performance moreover, avoid linear connection's contact failure. This water tank induction control device adopts the structure of tongue tube and water level floating piece to realize the judgement of fixed water level promptly, if use this structure in the water tank like the steam ager, if appear low water level warning and stop the use of steam ager at the steam ager culinary art in-process, lead to culinary art process continuity to receive the influence, influence user experience. In addition, because the volume of the water tank of the steam box is limited, if a plurality of reed pipes are arranged in the water tank, the hidden danger of misjudgment due to mutual magnetic interference exists.
Disclosure of Invention
The first technical problem to be solved by the present invention is to provide a water level detection device for a water tank, which can obtain water level data of any height in the water tank, aiming at the above prior art.
The second technical problem to be solved by the present invention is to provide a steam box capable of early warning the water usage time in the water tank in view of the above prior art.
The third technical problem to be solved by the present invention is to provide a control method for a steam box, which can obtain any initial water level data in a water tank under the condition of only arranging one reed switch in the prior art.
The fourth technical problem to be solved by the present invention is to provide a control method of a steam box capable of determining the placement of a water tank only by a water level detection device, aiming at the above prior art.
The fifth technical problem to be solved by the present invention is to provide a control method of a steam box capable of reminding the pre-operation time of the water amount in the water tank, aiming at the above prior art.
The sixth technical problem to be solved by the present invention is to provide a control method for a steam box capable of acquiring water level data of any water level in real time in view of the above prior art.
The technical scheme adopted by the invention for solving the first technical problem is as follows: the utility model provides a water level detection device of water tank, includes the magnetism buoy and the reed pipe of setting outside the water tank that set up in the water tank, its characterized in that: the magnetic buoy control circuit board is characterized by further comprising a driving mechanism and a control circuit board, wherein the reed switch and the driving mechanism are respectively and electrically connected with the control circuit board, and the reed switch is connected to the driving end of the driving mechanism and can move up and down corresponding to the moving path of the magnetic buoy under the driving of the driving mechanism.
In order to quickly judge the placement condition of the water tank, a magnet is fixedly arranged in the water tank close to the bottom of the water tank and corresponds to the moving path of the reed pipe.
In order to avoid the magnetic buoy from floating at will and influencing the interaction between the magnetic buoy and the reed pipe, a guide part is arranged on the inner side wall of the water tank, a cavity which is vertically arranged and communicated with the water tank is arranged in the guide part, and the magnetic buoy is arranged in the cavity.
Preferably, the lower end of the cavity is close to or directly communicated with the bottom of the water tank, and the lower end of the cavity is close to or directly communicated with the upper edge of the water tank.
Preferably, the magnet is fixedly disposed in the guide near the bottom of the water tank.
The driving mechanism comprises a driver electrically connected with the control circuit board, a guide rail vertically arranged on the outer side of the water tank, and a sliding block connected to the guide rail in a sliding manner, wherein the sliding block is connected to the driving end of the driver, and the reed pipe is fixedly arranged on the sliding block.
The technical scheme adopted by the invention for solving the second technical problem is as follows: a steam box is characterized in that: the water level detection device comprises a base body, a water tank and a water tank, wherein the base body is provided with a support for mounting the water tank, the water tank is detachably mounted in the support, and a driving mechanism and a reed pipe are arranged in the base body and are close to the support.
The technical scheme adopted by the invention for solving the third technical problem is as follows: a control method of a steam box is characterized by comprising the following steps: the driving mechanism drives the reed pipes to move to the initial water level position from the set position according to the set route, the reed pipes are mutually attracted under the action of the magnetic buoy, and when attraction conduction signals of the reed pipes are detected, the control circuit board calculates initial water level data in the water tank according to the moving distance or moving time of the reed pipes.
The technical scheme adopted by the invention for solving the fourth technical problem is as follows: when the driving mechanism drives the reed switch to move according to the set route and the suction conduction signal of the reed switch is not detected, judging that the water tank is not placed or is not placed in place;
when the driving mechanism drives the reed switch to detect a suction conduction signal of the reed switch in the process of moving according to the set route, the water tank is judged to be placed in place.
Optionally, after the water tank is placed, whether the reed switch is attracted and conducted under the action of a magnet fixedly arranged at the set position when the reed switch is positioned at the set position is detected, and if so, the water tank is judged to be placed in place; if not, judging that the material is not placed or not placed in place.
The technical solution adopted to solve the fifth technical problem of the present invention is: and calculating the pre-working time of the water quantity in the water tank according to the calculated initial water level data in the water tank and the unit water consumption corresponding to the current working mode of the steam box.
Simply, pre-operating time of the amount of water in the water tank
Wherein T isgThe time T for the steam box to work at full water level in the current working mode0The time T required for the reed switch to move the whole process according to the set route1The time required for the reed switch to move from the set position to the initial water level position according to the set route is saved.
The technical scheme adopted by the invention for solving the sixth technical problem is as follows: the driving mechanism drives the reed pipe to move according to a set route until a signal that the reed pipe is attracted and conducted under the action of a magnet at a real-time water level position where water level data need to be detected is detected, and then current water level data is calculated according to data information corresponding to the attraction signal of the reed pipe.
For convenience in operation and calculation, after the work is finished, the driving mechanism drives the reed pipe to move to a set position.
Compared with the prior art, the invention has the advantages that: the water level detection device of the water tank changes the mode of fixedly arranging the reed switch in the prior art, the driving mechanism is used for driving the reed switch, the reed switch is arranged relative to the water tank in a moving mode, the effect of the magnetic buoy is matched, the water level information in the water tank can be calculated through the switch signal of the reed switch and the control method of the steam box, and therefore calculation of any water level can be achieved, and the water level detection device is high in applicability.
In addition, the steam box can detect and acquire initial water level data in the water box before use, and then early warning is carried out on the using time of the water quantity in the water box through the water level data, so that the condition of work interruption in the using process is avoided.
Drawings
FIG. 1 is a partial structure diagram of a steam box according to an embodiment of the present invention.
Fig. 2 is a perspective view of a water level detecting apparatus of a water tank according to a first embodiment of the present invention.
Fig. 3 is a perspective view of a water level detection apparatus of a water tank according to a second embodiment of the present invention.
Fig. 4 is a flowchart of a control method of the steam box according to an embodiment of the invention.
FIG. 5 is a flowchart of a method for controlling a steam box according to a second embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The water level detection device of the water tank in the present embodiment is suitable for use in the water tank 1 in various application environments, and the present embodiment will be described with reference to the use of the water level detection device of the water tank in a steam box, and the water level detection device of the water tank and the steam box to which the water level detection device is applied.
Example one
As shown in fig. 1 and 2, the steam box of the present embodiment includes a base body, a water tank 1 and a water level detecting device disposed in cooperation with the water tank 1, the base body has a bracket 7 for mounting the water tank 1, the water tank 1 is detachably mounted in the bracket 7, and the water tank 1 is mounted on the bracket 7 in a push-pull manner for convenience of use.
The water level detection device comprises a magnetic buoy 2, a reed pipe 3, a driving mechanism 4 and a control circuit board, wherein the reed pipe 3 and the driving mechanism 4 are respectively and electrically connected with the control circuit board. Wherein the magnetic buoy 2 is arranged in the water tank 1, and the magnetic buoy 2 can float on the water surface and move up and down along with the change of the water level of the water surface. In order to make the magnetic buoy 2 conveniently cooperate with the reed pipe 3 to work, in this embodiment, a guide member 6 is arranged on the inner side wall of the water tank 1, a cavity which is vertically arranged and communicated with the water tank 1 is arranged in the guide member 6, the lower end of the cavity is close to or directly communicated with the bottom of the water tank 1, and the lower end of the cavity is close to or directly communicated with the upper edge of the water tank 1. The up-down through height of the cavity is determined according to the range of water level detection. The magnetic buoy 2 is arranged in the cavity and can move up and down under the limit of the limit part.
The driving mechanism 4 is fixedly arranged in the base body and close to the position where the water tank 1 is placed, the reed switch 3 is arranged on the outer side of the side wall of the guide piece 6 arranged in the water tank 1, the reed switch 3 is connected to the driving end of the driving mechanism 4, and the driving mechanism 4 can drive the reed switch 3 to move up and down. The driving mechanism 4 comprises a driver 41 electrically connected with the control circuit board, a guide rail 42 vertically arranged on the outer side of the water tank 1, and a sliding block 43 connected on the guide rail 42 in a sliding manner, wherein the sliding block 43 is connected at the driving end of the driver 41, and the reed pipe 3 is fixedly arranged on the sliding block 43. When the dry reed pipe works, the driver 41 drives the sliding block 43 to move up and down along the guide rail 42, and the dry reed pipe 3 is driven to move up and down. The driver 41 in this embodiment is any driver 41 in the prior art, for example, a speed reduction motor may be used to drive the reed switch 3 to move up and down, and in the process of moving up and down the reed switch 3, when the reed switch 3 moves to the position of the magnetic buoy 2, the reed switch 3 may be turned on under the action of the magnetic buoy 2, and then the controlled circuit board may determine whether the water tank 1 is placed in place and calculate the data of the water level in the water tank 1 by obtaining the switching signal of the reed switch 3. The placement information of the water tank 1 can be detected without additionally providing a position sensor.
As shown in fig. 4, the control method of the steam box comprises the following steps: before cooking, if the water tank 1 is not placed or the water tank 1 needs to be added with water, after the water tank 1 is added with water, the water tank 1 is pushed into the support 7. Then the driving mechanism 4 drives the reed pipe 3 to move according to a set up-down moving route, and if the control circuit board does not detect a suction conduction signal of the reed pipe 3 after the movement is finished, the water tank 1 is judged not to be placed or not to be placed in place; in the process that the driving mechanism 4 drives the reed pipe 3 to move according to the set up-down moving route, when the control circuit board detects a suction conduction signal of the reed pipe 3, the water tank 1 is judged to be placed in place.
After the water tank 1 is detected to be placed in place, the water level in the water tank 1 is detected. The water level detection method comprises the following steps: the driving mechanism 4 drives the reed pipes 3 to move from the set position to the initial water level position according to the set up-down route, and then the reed pipes 3 are mutually driven by the magnetic buoy 2And (3) attracting, namely after the control circuit board detects an attracting conduction signal of the reed pipe 3, calculating initial water level data in the water tank 1 by the control circuit board according to the moving distance or the moving time of the reed pipe 3, and calculating the pre-working time of the water quantity in the water tank 1 according to the initial water level data and the unit water consumption corresponding to the current working mode of the steam box. Pre-operating time of water quantity in water tank 1
Wherein T isgThe time T for the steam box to work at full water level in the current working mode0The time T required for the reed switch 3 to move the whole distance according to the set route1The time required for the reed switch 3 to move from the set position to the initial water level position according to the set route. In addition, according to the requirement, the pre-working time of the water quantity in the water tank 1 can be calculated according to the moving distance data of the reed switch 3.
Through the control method, the calculation of the pre-working time of the water quantity in the water tank 1 is realized, whether the water in the water tank 1 can be cooked in the current time or not can be pre-judged, if the water cannot be cooked, water can be added for reminding, and the phenomenon that the cooking effect is influenced due to interruption in the cooking process is avoided.
After the steam box starts to cook, in the cooking process, if a certain cooking moment or real-time water level data is required to be acquired, the control circuit board can control the driving mechanism 4 to work to drive the reed pipe 3 to move according to a set up-and-down moving route until the reed pipe 3 is detected to attract and conduct a signal under the action of the magnet 5 at the real-time water level position where the water level data is required to be detected, and then the current water level data is calculated according to data information corresponding to the attraction signal of the reed pipe 3.
After the work is finished, the control circuit board controls the driving mechanism 4 to work, and then drives the reed pipe 3 to move to the initial setting position, and the initial setting position of the reed pipe 3 in the embodiment is also arranged at the position close to the bottom of the water tank 1.
Example two
As shown in fig. 3, the present embodiment is different from the first embodiment only in that: a magnet 5 is further disposed in the cavity of the limiting member, the magnet 5 is fixedly disposed near the bottom of the water tank 1, the initial setting position of the reed switch 3 is also disposed at the position near the bottom of the water tank 1 in this embodiment, and thus the magnet 5 is disposed corresponding to the initial setting position of the reed switch 3.
As shown in fig. 5, after the steam box finishes cooking, the driving mechanism 4 drives the reed switch 3 to move to the initial setting position. When cooking is needed, when the water tank 1 is arranged in the bracket 7, after the water tank 1 is placed, the control circuit board detects whether the reed switch 3 is attracted and conducted under the action of the magnet 5 fixedly arranged at a set position, and if so, the water tank 1 is judged to be placed in place; if not, judging that the water tank is not placed or not placed in place, and further reminding the user to place the water tank 1 again.
Claims (14)
1. The utility model provides a water level detection device of water tank, includes magnetic buoy (2) and reed pipe (3) of setting outside water tank (1) that set up in water tank (1), its characterized in that: the magnetic buoy control circuit board is characterized by further comprising a driving mechanism (4) and a control circuit board, the reed switch (3) and the driving mechanism (4) are respectively electrically connected with the controlled circuit board, and the reed switch (3) is connected to the driving end of the driving mechanism (4) and can move up and down corresponding to the moving path of the magnetic buoy (2) under the driving of the driving mechanism (4).
2. The water level detecting apparatus of a water tank as claimed in claim 1, wherein: a magnet (5) is fixedly arranged in the water tank (1) and close to the bottom of the water tank (1), and the magnet (5) is arranged corresponding to the moving path of the reed switch (3).
3. The water level detecting apparatus of a water tank as claimed in claim 2, wherein: be provided with guide (6) on the inside wall of water tank (1), the cavity that has vertical setting and is linked together with water tank (1) in guide (6), magnetic buoy (2) set up in the cavity.
4. The water level detecting apparatus of a water tank according to claim 3, wherein: the lower end of the cavity is close to or directly communicated with the bottom of the water tank (1), and the lower end of the cavity is close to or directly communicated with the upper edge of the water tank (1).
5. The water level detecting apparatus of a water tank according to claim 3, wherein: the magnet (5) is close to the bottom of the water tank (1) and is fixedly arranged in the guide piece (6).
6. The water level detecting apparatus of a water tank according to any one of claims 1 to 5, wherein: the driving mechanism (4) comprises a driver (41) electrically connected with the control circuit board, a guide rail (42) vertically arranged on the outer side of the water tank (1), and a sliding block (43) connected to the guide rail (42) in a sliding manner, wherein the sliding block (43) is connected to the driving end of the driver (41), and the reed pipe (3) is fixedly arranged on the sliding block (43).
7. A steam box is characterized in that: water level detection device comprising a base body, a water tank (1) and a water tank according to any one of claims 1 to 6, the base body having a bracket (7) for mounting the water tank (1), the water tank (1) being detachably mounted in the bracket (7), the drive mechanism (4) and the reed switch (3) being disposed in the base body and adjacent to the bracket (7).
8. A control method of a steam box according to claim 7, characterized in that: the driving mechanism (4) drives the reed pipe (3) to move to an initial water level position from a set position according to a set route, the reed pipe (3) is mutually attracted under the action of the magnetic buoy (2), and when an attraction conduction signal of the reed pipe (3) is detected, the control circuit board calculates initial water level data in the water tank (1) according to the moving distance or the moving time of the reed pipe (3).
9. The control method of the steam box according to claim 8, characterized in that: when the driving mechanism (4) drives the reed switch (3) to move according to the set route and a suction conduction signal of the reed switch (3) is not detected, the water tank (1) is judged not to be placed or not to be placed in place;
when the driving mechanism (4) drives the reed pipe (3) to detect a suction conduction signal of the reed pipe (3) in the process of moving according to the set route, the water tank (1) is judged to be placed in place.
10. The control method of the steam box according to claim 8, characterized in that: after the water tank (1) is placed, whether the reed switch (3) is attracted and conducted under the action of a magnet (5) fixedly arranged at a set position when the reed switch is positioned at the set position is detected, and if so, the water tank (1) is judged to be placed in place; if not, judging that the material is not placed or not placed in place.
11. The control method of the steam box according to claim 8, characterized in that: and calculating the pre-working time of the water quantity in the water tank (1) according to the calculated initial water level data in the water tank (1) and the unit water consumption corresponding to the current working mode of the steam box.
12. The control method of the steam box according to claim 11, characterized in that: pre-working time of water quantity in the water tank (1)
Wherein T isgThe time T for the steam box to work at full water level in the current working mode0The time T required for the reed switch (3) to move to the whole distance according to the set route1The time required for the reed switch (3) to move from the set position to the initial water level position according to the set route is saved.
13. The control method of the steam box according to claim 9, characterized in that: the driving mechanism (4) drives the reed pipe (3) to move according to a set route until a signal that the reed pipe (3) is attracted and conducted under the action of the magnet (5) on the real-time water level position where the water level data needs to be detected is detected, and then the current water level data is calculated according to data information corresponding to the attraction signal of the reed pipe (3).
14. A control method of a steam box according to any one of claims 8 to 13, characterized in that: after the work is finished, the driving mechanism (4) drives the reed pipe (3) to move to a set position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910298132.XA CN111831016B (en) | 2019-04-15 | 2019-04-15 | Steam box and control method thereof |
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|---|---|---|---|
| CN201910298132.XA CN111831016B (en) | 2019-04-15 | 2019-04-15 | Steam box and control method thereof |
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| CN111831016A true CN111831016A (en) | 2020-10-27 |
| CN111831016B CN111831016B (en) | 2021-12-03 |
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| CN112666992A (en) * | 2020-12-30 | 2021-04-16 | 蓓慈电器有限公司 | Water inlet control system and water inlet control method of foot bath device |
| CN112932254A (en) * | 2021-01-28 | 2021-06-11 | 宁波方太厨具有限公司 | Water quantity detection structure and detection method for water tank of cooking equipment and electric steam box |
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| CN112932254A (en) * | 2021-01-28 | 2021-06-11 | 宁波方太厨具有限公司 | Water quantity detection structure and detection method for water tank of cooking equipment and electric steam box |
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| Publication number | Publication date |
|---|---|
| CN111831016B (en) | 2021-12-03 |
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