CN115153292A - Ultrasonic water level sensing device of tea set container - Google Patents

Ultrasonic water level sensing device of tea set container Download PDF

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Publication number
CN115153292A
CN115153292A CN202210981245.1A CN202210981245A CN115153292A CN 115153292 A CN115153292 A CN 115153292A CN 202210981245 A CN202210981245 A CN 202210981245A CN 115153292 A CN115153292 A CN 115153292A
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CN
China
Prior art keywords
water level
container
ultrasonic
wall
ultrasonic sensor
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Pending
Application number
CN202210981245.1A
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Chinese (zh)
Inventor
李月春
林文辉
秦瑞宁
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Dongguan City Jinhetian Industrial Co ltd
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Dongguan City Jinhetian Industrial Co ltd
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Application filed by Dongguan City Jinhetian Industrial Co ltd filed Critical Dongguan City Jinhetian Industrial Co ltd
Priority to CN202210981245.1A priority Critical patent/CN115153292A/en
Publication of CN115153292A publication Critical patent/CN115153292A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/21—Water-boiling vessels, e.g. kettles
    • A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/21—Water-boiling vessels, e.g. kettles
    • A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
    • A47J27/21058—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/21—Water-boiling vessels, e.g. kettles
    • A47J27/21166—Constructional details or accessories
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

The invention discloses an ultrasonic water level sensing device of a tea set container, which comprises a container and a sensing device, wherein a mounting area is arranged on the wall surface of the container, the sensing device is a flat-plate-shaped ultrasonic sensor, the ultrasonic sensor is arranged at the position of the mounting area, the ultrasonic sensor is connected with a control device, the container is provided with a first water level and at least one second water level, the first water level is used for detecting the lowest water level of the container, and the second water level is used for detecting the preset water level of the container; the ultrasonic sensor obtains a first water level and a second water level through ultrasonic waves and sends the first water level and the second water level to the control device. The ultrasonic sensor is relatively flush with the wall surface, so that a large bump (such as a probe) on the inner wall of the container is avoided, and the detection precision is more accurate. The control device and the control method of the ultrasonic sensor are in the prior art and can be realized through PLC control.

Description

Ultrasonic water level sensing device of tea set container
Technical Field
The invention relates to the field of tea set containers, in particular to an ultrasonic water level sensing device of a tea set container.
Background
In tea sets, electric containers, such as electric teapots or disinfection bowls, are often used, and water is heated by electricity to raise the temperature. The water level sensing is one of the keys of the electric heating, for example, the heating time or the closing/opening of the heating device is controlled by the water level, when the water level is not monitored in place, the problem of too long dry-burning or boiling time also occurs.
The electric tea set products which continuously generate water level induction in the market have the induction that probes directly extend out of the bottom and the side of a container; there is also a capacitive sensing mode attached to the inner wall of the container; the electric kettle is mainly realized by matching accessories with the inner wall of a container, a capacitance sensing mode and a probe mode have insulation requirements on kettle body materials, the shapes of the probe and the capacitor have specific requirements (such as attachment to the inner wall or extension from the inner wall), silica gel is inevitably required to be sealed and insulated, the silica gel has large volume and limited shape, and therefore the attractiveness of the container is poor.
Disclosure of Invention
The invention mainly aims to provide an ultrasonic water level sensing device of a tea set container, which aims to accurately control the amount of liquid in the container by sensing the height of the water level of the container through ultrasonic waves, and can avoid the arrangement of a protruding accessory on the container, so that the inner wall of the container is smooth and flat, and the generation of scale and cleaning blind areas is reduced.
In order to achieve the above object, the present invention provides an ultrasonic water level sensing apparatus for a tea set container, comprising:
the wall surface of the container is provided with an installation interval;
the device comprises a sensing device, a control device and a control device, wherein the sensing device is a flat-plate-shaped ultrasonic sensor, the ultrasonic sensor is arranged at the position of an installation area and is connected with the control device, the container is provided with a first water level and at least one second water level, the first water level is used for detecting the lowest water level of the container, and the second water level is used for detecting the preset water level of the container;
the ultrasonic sensor obtains a first water level and a second water level through ultrasonic waves and sends the first water level and the second water level to the control device.
Preferably, the ultrasonic sensor includes a circular-shaped detection plate and a screw post extending from a lower wall of the elastic-shaped detection plate, the screw post being provided with an external thread.
Preferably, the ultrasonic sensor is provided at the bottom of the container.
Preferably, the installation section is a through groove, the side edge of the circular detection plate abuts against the outer wall of the through groove, the through groove is matched with the diameter of the screw column, and the circular detection plate is convexly arranged on the inner wall of the container.
Preferably, the middle part of the lower wall of the circular detection plate is convexly provided with a limiting part, two sides of the limiting part are enclosed into a first slot position and a second slot position, and a sealing ring is arranged between the second slot position and the inner wall of the container.
Preferably, the sealing ring is T-shaped.
Preferably, the mounting section is a through groove concavely formed in the inner wall of the container, and the circular detection plate is mounted on the through groove and is flush with the inside of the container.
Preferably, the installation area is an outer wall of the container, and the circular detection plate is arranged on the outer wall of the container.
Preferably, the outer wall of the container is provided with a bracket which keeps a distance with the wall surface, the bracket is provided with a screw hole, and the screw column can penetrate through the screw hole and then is screwed and fixed through a nut.
Preferably, a temperature controller is arranged at a position adjacent to the ultrasonic sensor, and the temperature controller is used for detecting the temperature of the wall surface of the container.
In a specific embodiment of the technical scheme of the invention, when the control device controls the heating device or the water adding device to be started or closed, and when the ultrasonic sensor acquires that the water level is lower than a first water level, the control device controls the water adding device to add water, so that dry burning of a container (such as a disinfection bowl or a heating kettle) is avoided; meanwhile, when the water adding device adds water, if the water level is at a second water level (the highest water level can also be a preset water level), wherein the second water level can be set to be multiple, so that different water adding requirements are detected, the ultrasonic sensor sends the acquired data to the control device, and the control device controls the water adding device to be closed; meanwhile, the ultrasonic sensor is arranged to be flat, so that the ultrasonic sensor can be better arranged in an installation interval, the installation interval can be a through groove, and the ultrasonic sensor can be directly arranged on the outer side of the wall surface of the container, so that the ultrasonic sensor and the wall surface are relatively flush, large bumps (such as probes) on the inner wall of the container are avoided, and the detection precision is more accurate. The control device and the control method of the ultrasonic sensor are in the prior art and can be realized through PLC control.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a partial sectional view I;
FIG. 3 is a partial sectional view II;
FIG. 4 is a partial sectional view of three;
FIG. 5 is a partial cross-sectional view of the fourth;
FIG. 6 is a perspective view of an ultrasonic sensor;
FIG. 7 is a first perspective view of the present invention;
fig. 8 is a perspective view of the second embodiment of the present invention.
In the figure, 1 is a container, 2 is an installation section, 3 is an ultrasonic sensor, 31 is a circular detection plate, 32 is a screw column, 33 is a nut, 4 is a limiting part, 5 is a sealing ring, 6 is a bracket, and 7 is a temperature controller.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that if directional indications (such as up, down, left, right, front, back, top, bottom, inner, outer, vertical, transverse, longitudinal, counterclockwise, clockwise, circumferential, radial, axial \8230 \ 8230;) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative positional relationship, movement, etc. of the components at a specific posture (as shown in the figure), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description relating to "first" or "second", etc. in the embodiments of the present invention, the description of "first" or "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 to 8, an ultrasonic water level sensing apparatus for a tea set container includes:
the container comprises a container 1, wherein a mounting section 2 is arranged on the wall surface of the container 1;
the device comprises an induction device, a flat-plate-shaped ultrasonic sensor 3, a control device and a control device, wherein the ultrasonic sensor 3 is arranged at the position of an installation section 2 and is flush with or partially protruded from the wall surface of a container 1 or arranged outside the wall surface (namely lower than the inner wall of the container), the ultrasonic sensor 3 is connected with the control device, the container 1 is provided with a first water level 100 and at least one second water level 200, the first water level is used for detecting the lowest water level of the container 1, and the second water level is used for detecting the preset water level of the container 1;
the ultrasonic sensor 3 obtains a first water level and a second water level by ultrasonic waves and sends the first water level and the second water level to the control device.
In a specific embodiment, the control device controls the heating device or the water adding device to be started or closed, and when the ultrasonic sensor 3 acquires that the water level is lower than the first water level, the control device controls the water adding device to add water, so that dry burning (such as a sterilizing bowl or a heating kettle) of the container 1 is avoided; meanwhile, when the water adding device adds water, if the water level is at a second water level (the highest water level can also be a preset water level), wherein the second water level can be set to be multiple, so as to detect different water adding requirements, the ultrasonic sensor 3 sends the acquired data to the control device, and the control device controls the water adding device to be closed; simultaneously, through setting up ultrasonic sensor 3 to flat, can let ultrasonic sensor 3 better install on installation interval 2, wherein installation interval 2 can be for leading to the groove, also can directly set up ultrasonic sensor 3 and the 1 wall outside of container to make ultrasonic sensor 3 and wall parallel and level relatively, thereby avoided 1 inner wall of container to appear great lug (for example probe), and it is more accurate to detect the precision. The control device and the control method of the ultrasonic sensor 3 are the prior art and can be realized through PLC control.
In the embodiment of the present invention, the ultrasonic sensor 3 includes the circular probe plate 31 and the screw post 32 extending from the lower wall of the elastic probe plate, the screw post is provided with an external thread, and the ultrasonic sensor 3 is provided with the circular probe plate 31, so that the ultrasonic sensor 3 can be mounted on the container 1 more easily and in a blind manner, and the ultrasonic sensor 3 can be locked on the container 1 by the cooperation of the screw post 32 and the circular probe plate 31. The screw column is a hollow rod body, so that the arrangement of wires or welding points is convenient.
Specifically, the ultrasonic sensor 3 is disposed at the bottom of the container 1, and mainly the bottom has a large installation space, and when the ultrasonic sensor 3 is disposed on the sidewall of the container 1, the ultrasonic sensor 3 is to detect the relative water level without protruding, and the test line is inclined.
More specifically, as shown in fig. 4, the mounting section 2 is a through slot, the side edge of the circular detection plate 31 abuts against the outer wall of the through slot, the through slot is adapted to the diameter of the screw post 32, and the circular detection plate 31 is protruded from the inner wall of the container 1. In the embodiment, the outer brim of the circular detection plate 31 is provided with a chamfer and is in arc transition with the inner wall of the container 1.
Further, a limiting portion 4 is convexly arranged in the middle of the lower wall of the circular detection plate 31, a first slot 401 and a second slot 402 are defined by two sides of the limiting portion 4, and a sealing ring 5 is arranged between the second slot and the inner wall of the container 1. Through the counterbalance of the limiting part 4 and the sealing ring 5, the ultrasonic sensor 3 can realize the sealing of the inner wall of the container 1, and the sealing ring 5 can not be exposed.
Furthermore, the sealing ring 5 is in a T shape, and the sealing ring 5 extends downwards from the limiting part 4 towards the direction of the screw column 32, so that the relative sealing performance is further ensured.
In the embodiment of the present invention, as shown in fig. 5, the mounting section 2 is a through groove recessed in the inner wall of the container 1, and the circular detection plate 31 is mounted on the through groove (in practical applications, a welding portion (i.e., a skirt edge) extends outward from the circular detection plate), and is flush with the inside of the container 1; meanwhile, the outer wall of the container is welded with the inner wall of the container 1 in a ring mode, and then grinding and polishing are carried out (so that the outer wall of the container and two sides of the circular detection plate are symmetrical), and therefore the ultrasonic sensor 3 is connected with the inner wall of the container 1 more naturally, the sense organ is softer, and the abrupt sense (the whole is flush and the sense organ is integrated) is reduced.
Specifically, as shown in fig. 1, 2 and 3, the installation section 2 is an outer wall of the container 1, and the circular detection plate 31 is provided on the outer wall of the container 1. The circular detection plate 31 is directly arranged on the outer wall of the container 1, and ultrasonic waves can penetrate through the wall surface of the container 1 and detect the water body in the container 1.
More specifically, the outer wall of the container 1 is provided with a bracket 6 which keeps a distance with the wall surface, the bracket 6 is provided with a screw hole, and the screw column can pass through the screw hole and then be screwed and fixed by a nut 33. The installation and the fixation of the ultrasonic sensor 3 are facilitated through the arrangement of the support 6, and meanwhile, the relative clamping and compaction of the sealing ring 5 can be guaranteed through the screwing of the nut 33, so that the sealing performance is guaranteed.
In the embodiment of the invention, the temperature controller is arranged at the position adjacent to the ultrasonic sensor and used for detecting the temperature of the wall surface of the container, so that the dry burning of the container is avoided; the induction end face of the ultrasonic sensor is made of ceramic materials, so that the ultrasonic sensor has a good high-temperature resistance effect.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The utility model provides an ultrasonic wave water level induction system of tea set container which characterized in that includes:
the wall surface of the container is provided with an installation interval;
the induction device is a flat-plate-shaped ultrasonic sensor, the ultrasonic sensor is arranged at the position of the installation area and is connected with the control device, the container is provided with a first water level and at least one second water level, the first water level is used for detecting the lowest water level of the container, and the second water level is used for detecting the preset water level of the container;
the ultrasonic sensor obtains a first water level and a second water level through ultrasonic waves and sends the first water level and the second water level to the control device.
2. The ultrasonic water level sensing apparatus of a tea set container as claimed in claim 1, wherein: the ultrasonic sensor includes a circular-shaped detection plate and a screw post extending from a lower wall of the elastic-shaped detection plate.
3. The ultrasonic water level sensing apparatus of a tea set container as claimed in claim 1, wherein: the ultrasonic sensor is arranged at the bottom of the container.
4. The ultrasonic water level sensing apparatus of a tea set container as claimed in claim 2, wherein: the installation interval is for leading to the groove, the side of circular form detecting plate offsets with the outer wall that leads to the groove, it suits with the diameter of screw post to lead to the groove, just the protruding inner wall of locating the container of circular form detecting plate.
5. The ultrasonic water level sensing apparatus of a tea set container as claimed in claim 2, wherein: the middle part of the lower wall of the circular detection plate is convexly provided with a limiting part, two sides of the limiting part are enclosed into a first groove position and a second groove position, and a sealing ring is arranged between the second groove position and the inner wall of the container.
6. The ultrasonic water level sensing device for the tea set container as claimed in claim 5, wherein: the sealing ring is T-shaped.
7. The ultrasonic water level sensing apparatus of a tea set container as claimed in claim 2, wherein: the installation interval is the logical groove of concave location in the container inner wall, circular form probe plate installs on logical groove, and with the container in the parallel and level.
8. The ultrasonic water level sensing apparatus of a tea set container as claimed in claim 2, wherein: the installation interval is the outer wall of container, the outer wall of container is located to circular form detecting plate.
9. The ultrasonic water level sensing device for the tea set container as claimed in claim 2, wherein: the outer wall of the container is provided with a support which keeps a distance from the wall surface, the support is provided with a screw hole, and the screw column can penetrate through the screw hole and then is screwed and fixed through a nut.
10. The ultrasonic water level sensing device for the tea set container as claimed in claim 2, wherein: and a temperature controller is arranged at the position adjacent to the ultrasonic sensor and used for detecting the temperature of the wall surface of the container.
CN202210981245.1A 2022-08-16 2022-08-16 Ultrasonic water level sensing device of tea set container Pending CN115153292A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210981245.1A CN115153292A (en) 2022-08-16 2022-08-16 Ultrasonic water level sensing device of tea set container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210981245.1A CN115153292A (en) 2022-08-16 2022-08-16 Ultrasonic water level sensing device of tea set container

Publications (1)

Publication Number Publication Date
CN115153292A true CN115153292A (en) 2022-10-11

Family

ID=83478975

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210981245.1A Pending CN115153292A (en) 2022-08-16 2022-08-16 Ultrasonic water level sensing device of tea set container

Country Status (1)

Country Link
CN (1) CN115153292A (en)

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