CN221173544U - Liquid level detection device and water purifying and drinking machine - Google Patents
Liquid level detection device and water purifying and drinking machine Download PDFInfo
- Publication number
- CN221173544U CN221173544U CN202322958550.1U CN202322958550U CN221173544U CN 221173544 U CN221173544 U CN 221173544U CN 202322958550 U CN202322958550 U CN 202322958550U CN 221173544 U CN221173544 U CN 221173544U
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- liquid level
- level detection
- water
- plate
- detection device
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- 239000007788 liquid Substances 0.000 title claims abstract description 126
- 238000001514 detection method Methods 0.000 title claims abstract description 118
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 150
- 230000035622 drinking Effects 0.000 title abstract description 12
- 238000004891 communication Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 4
- 210000004907 gland Anatomy 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 210000001503 joint Anatomy 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000013505 freshwater Substances 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 238000005259 measurement Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000008213 purified water Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a liquid level detection device and a clean drinking machine, belonging to the technical field of household appliances, wherein the liquid level detection device comprises: the cover plate is provided with an inner side surface, and a clamping groove is formed in the bottom of the inner side surface; the bottom of the capacitive liquid level detection plate is provided with a plugging part which is matched and plugged with the clamping groove; the base plate is arranged between the cover plate and the capacitive liquid level detection plate and is in butt joint with the cover plate and the capacitive liquid level detection plate. The base plate is extruded through the cover plate to fix the capacitive liquid level detection plate, so that the capacitive liquid level detection plate can be prevented from generating displacement in the using process, and measured data are more accurate.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to a liquid level detection device and a clean drinking machine.
Background
The water purifying and drinking machine is drinking water equipment capable of meeting the functional requirement of water purifying and drinking and can provide cool boiled water.
In the related prior art, the water purifying and drinking machine is generally provided with a raw water tank, and in order to prevent the raw water tank from being lack of water and leading to the complete machine to be inoperable, the raw water tank is generally provided with a liquid level detection device. At present, a common liquid level detection device generally detects the water level by a floater, the floater floats along with the water level in an original water tank, and the detection error rate is small. However, if the float is damaged or if foreign matter in the original water tank prevents the float from floating, it is not detected.
Disclosure of utility model
In view of the above, the present utility model provides a liquid level detecting device to solve the problem that the float liquid level detecting device in the prior art is easily affected when placed in water, and thus cannot be detected.
The utility model provides a liquid level detection device, which comprises:
the cover plate is provided with an inner side surface, and a clamping groove is formed in the bottom of the inner side surface;
The bottom of the capacitive liquid level detection plate is provided with a plugging part which is matched and plugged with the clamping groove;
The base plate is arranged between the cover plate and the capacitive liquid level detection plate and is in butt joint with the cover plate and the capacitive liquid level detection plate.
The beneficial effects are, insert the draw-in groove with the grafting portion of capacitanc liquid level pick-up plate, can realize the location to capacitanc liquid level pick-up plate, then place the backing plate between apron and capacitanc liquid level pick-up plate, one side and the apron of backing plate contact each other, and the another side of backing plate contacts with capacitanc liquid level pick-up plate, also can understand that, extrudees the backing plate through the apron to extrude capacitanc liquid level pick-up plate, make capacitanc liquid level pick-up plate in the in-process of using, can avoid producing the displacement.
In an alternative embodiment, the pad is made of a soft material, so that damage to the capacitive level detection plate can be avoided.
In an alternative embodiment, the pad is provided with a plurality of protrusions spaced apart from each other in sequence along the length direction.
The beneficial effects are that, the bellying can increase the frictional force with between the capacitive liquid level detection board for the backing plate can more firmly fix a position capacitive liquid level detection board.
In an alternative embodiment, the inner side surface of the cover plate is further provided with two limiting plates, and the two limiting plates are respectively arranged on two opposite sides of the inner side surface, so that the capacitive liquid level detection plate is located between the two limiting plates.
The capacitive liquid level detection plate has the beneficial effects that the capacitive liquid level detection plate is positioned between the two limiting plates, so that the cover plate can further form a clamping effect on the capacitive liquid level detection plate, and the capacitive liquid level detection plate can be better positioned.
The utility model also provides a water purifying dispenser, comprising:
A fuselage having an interior cavity wall separating a clean water tank region and a raw water tank region;
The liquid level detection device of any one of the above-mentioned liquid level detection devices is arranged in the clean water tank area, and the capacitive liquid level detection plate of the above-mentioned liquid level detection device is attached to the wall of the above-mentioned inner cavity;
The raw water tank is arranged in the raw water tank area and is attached to the inner cavity wall.
The beneficial effects are that, because the clean water dispenser includes the liquid level detection device in any one of the above-mentioned items, the clean water dispenser has all beneficial effects of the liquid level detection device, and will not be described herein.
In an alternative embodiment, the inner cavity wall is provided with an outer protruding portion, the capacitive liquid level detection plate is attached to the inner wall of the outer protruding portion, the outer shell of the original water tank is provided with an inner concave portion, the outer protruding portion is arranged in the inner concave portion, and the liquid level detection device can be firmly fixed on the outer side wall of the original water tank from the container, so that the liquid level data of the original water tank detected by the liquid level detection device are more accurate.
In an alternative embodiment, the inner cavity wall is provided with a pressing part extending downwards, and the pressing part is abutted with the top of the pressing cover of the liquid level detection device, so that the pressing part can press the liquid level detection device downwards, and the liquid level detection device is installed and positioned more firmly. The liquid level detection plate is tightly attached to the machine body through the base plate and the gland of the liquid level detection plate, so that the liquid level can be accurately measured by the capacitive liquid level detection plate, and the capacitive liquid level detection plate is protected by the base plate and the cover plate and is not easy to influence the measurement result by the outside.
In an alternative embodiment, the water purifying dispenser further comprises:
the controller is in communication connection with the liquid level detection device;
The water inlet pipeline is connected with the raw water tank, a water inlet valve is arranged on the water inlet pipeline and is in communication connection with the controller, and the controller controls the water inlet valve to be opened to feed water into the raw water tank according to the liquid level information detected by the liquid level detection device, or controls the water inlet valve to be closed to stop feeding water into the raw water tank.
The water level detection device has the beneficial effects that if the whole machine is not connected with a tap water pipeline, when the liquid level detection plate detects that the whole machine is lack of water, the display screen can prompt the lack of water, so that a user can be reminded of timely supplementing water.
In an alternative embodiment, the water purifying dispenser further comprises:
The waterway connection detection module is suitable for detecting whether the water inlet pipeline is connected with a water source or not, and is in communication connection with the controller;
The receiving terminal is in communication connection with the controller;
when the waterway connection detection module detects that the water source is not connected, the controller sends an alarm signal to the receiving terminal, so that the receiving terminal sends alarm information.
The receiving terminal comprises a display screen, and the alarm information comprises text information of water shortage.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a liquid level detecting apparatus according to an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1 at A;
FIG. 3 is a schematic diagram of an explosion structure of a liquid level detecting device according to an embodiment of the present utility model;
Fig. 4 is a schematic perspective view of a cover plate of a liquid level detecting device according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a partial cross-sectional structure of a water purifying dispenser according to an embodiment of the present utility model;
FIG. 6 is an enlarged schematic view of the structure at B in FIG. 5;
Fig. 7 is a control logic block diagram of a water purifying dispenser according to an embodiment of the present utility model.
Reference numerals illustrate:
10. A water purifying machine;
100. A liquid level detection device;
110. A cover plate; 1101. mating sides; 111. a clamping groove; 112. a limiting plate;
120. A capacitive liquid level detection plate; 121. a plug-in part;
130. a backing plate; 131. a boss;
200. a body; 210. a lumen wall; 2101. a pressing part; 2102. a pressing surface;
300. A raw water tank;
400. a clean water tank;
500. a controller;
600. a water inlet valve;
700. the waterway connection detection module;
800. And receiving the terminal.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
At present, along with the improvement of the living standard of people, consumers are no longer satisfied with the condition of being saturated, and more attention is put into health, and drinking water is an indispensable part of the life of people, so that the consumers are more likely to be concerned by the masses. Therefore, water purification products with integrated water purification and drinking are becoming popular with consumers. The boiled water machine is used as an upgrade of the ordinary water purifying machine 10, so that the functional requirement of the ordinary water purifying machine 10 for purifying and drinking can be met, and the main function of the boiled water machine is to provide cool and white water. Compared with other types of water purifying and drinking machines 10, the boiled water machine meets the requirements of Chinese for cool and white drinking;
The water purifying and drinking machine 10 on the market is generally provided with a raw water tank 300, and in order to prevent the water shortage of the raw water tank 300 from failing to work, the raw water tank 300 is generally provided with a liquid level detecting device 100. However, the level detection device 100 commonly used in the market generally detects the water level by the float, the float floats along with the water level in the water tank, and the detection error rate is small, but if the float is damaged or the float is prevented from floating by foreign matters in the water tank, the detection device cannot detect the water level, so another detection scheme is adopted, namely, the capacitive level detection plate 120 is used for detecting the water level, and the capacitive detection has the advantage that the water level detection can meet the function of real-time detection, and meanwhile, the detection plate is placed outside the original water tank 300 and cannot be influenced by the condition in the water tank.
The liquid level detecting device 100 is placed inside the water tank to detect the water level, and is easily affected by external influences, so that measurement is inaccurate or even damaged.
Embodiments of the present utility model are described below with reference to fig. 1 to 7.
As shown in fig. 1 and 3, according to an embodiment of the present utility model, in one aspect, there is provided a liquid level detection device 100, where the liquid level detection device 100 includes a cover plate 110, a capacitive liquid level detection plate 120, and a pad plate 130, the cover plate 110 has an inner side 1101, a clamping groove 111 is provided at the bottom of the inner side 1101, a plugging portion 121 is provided at the bottom of the capacitive liquid level detection plate 120, the plugging portion 121 is plugged with the clamping groove 111 in a matching manner, the pad plate 130 is disposed between the cover plate 110 and the capacitive liquid level detection plate 120, and the pad plate 130 is abutted against both the cover plate 110 and the capacitive liquid level detection plate 120.
The cover plate 110, the capacitive liquid level detection plate 120 and the base plate 130 are respectively in a plate-shaped structure, the plug-in connection part 121 of the capacitive liquid level detection plate 120 is inserted into the clamping groove 111, so that the capacitive liquid level detection plate 120 can be positioned, then the base plate 130 is placed between the cover plate 110 and the capacitive liquid level detection plate 120, one side surface of the base plate 130 is in contact with the cover plate 110, the other side surface of the base plate 130 is in contact with the capacitive liquid level detection plate 120, and the base plate 130 is extruded through the cover plate 110, so that the capacitive liquid level detection plate 120 is extruded, and displacement of the capacitive liquid level detection plate 120 can be avoided in the use process.
Wherein, the capacitance type liquid level detection plate 120 measures the height of the liquid level by measuring the change of capacitance.
120120 When the liquid level of 120 is increased, the total dielectric constant value between the two electrodes of the capacitive liquid level detection plate is increased, and thus the capacitance is increased. Conversely, when the liquid level decreases, the epsilon value decreases and the capacitance decreases. Therefore, the capacitive liquid level detection plate can measure the liquid level through the change of the capacitance between the two electrodes. The sensitivity of the capacitive liquid level detection plate mainly depends on the difference of two dielectric constants, and the liquid level measurement accuracy can be ensured only by the constant epsilon 1 and epsilon 2, and the metal rod electrodes are covered by the insulating layer because the measured medium has conductivity.
In another embodiment, the pad 130 is made of a soft material, such as silicone, to better secure the capacitive fluid level sensing plate 120 without damaging the capacitive fluid level sensing plate 120.
In another embodiment, the pad 130 is provided with a plurality of protrusions 131 sequentially spaced apart from each other along the length direction, the protrusions are soft protrusions 131, the soft protrusions 131 are abutted to the capacitive liquid level detection plate 120, and the protrusions 131 are sequentially spaced apart from each other along the length direction of the pad 130.
The protruding portion 131 can be abutted on the capacitive liquid level detection plate 120, so that the fixing effect on the capacitive liquid level detection plate 120 can be further increased, and displacement of the capacitive liquid level detection plate 120 is avoided.
In another embodiment, the inner side 1101 of the convex cover 110 is further provided with two limiting plates 112, the two limiting plates 112 are respectively disposed on two opposite sides of the inner side 1101, and the capacitive liquid level detecting plate 120 is disposed between the two limiting plates 112, so that the cover 110 can further form a clamping effect on the capacitive liquid level detecting plate 120, and the capacitive liquid level detecting plate 120 can be better positioned.
According to another aspect of the present utility model, there is provided a water purifying dispenser 10, wherein the water purifying dispenser 10 includes a body 200, a liquid level detecting device 100 and a raw water tank 300, the body 200 has an inner cavity wall 210, the inner cavity wall 210 separates a region of the water purifying tank 400 and a region of the raw water tank 300, the liquid level detecting device 100 is disposed in the region of the water purifying tank 400, and a capacitive liquid level detecting plate 120 of the liquid level detecting device 100 is attached to the inner cavity wall 210, and the raw water tank 300 is disposed in the region of the raw water tank 300 and is attached to the inner cavity wall 210.
The top of the fresh water tank 400 is provided with the tank cover, so that the clean of the fresh water tank 400 can be ensured, and the side part of the fresh water tank 400 is provided with the handle, so that the fresh water tank 400 can be conveniently pushed into the fresh water tank 400 area or taken out from the fresh water tank 400 area, and the fresh water tank 400 can be conveniently taken out.
The inner cavity wall 210 has an outer protruding portion, the capacitive liquid level detection plate 120 is attached to the inner wall of the outer protruding portion, the outer shell of the original water tank 300 has an inner recessed portion, and the outer protruding portion is disposed in the inner recessed portion, so that the liquid level detection device 100 can be more firmly fixed on the outer side wall of the original water tank 300, and the data of the liquid level of the original water tank 300 detected by the liquid level detection device 100 is more accurate.
The inner cavity wall 210 is provided with a pressing part 2101 extending downwards, and the pressing part 2101 is abutted against the top of the pressing cover of the liquid level detection device 100, so that the pressing part 2101 can press the liquid level detection device 100 downwards, and the liquid level detection device 100 can be installed and positioned more firmly. The pressing portion 2101 has a pressing surface 2102 inclined downward, the top of the cover plate 110 has a concave groove, and the inner wall of the concave groove has a matching side 1101 that is matched with and abuts against the pressing surface, so as to prevent the liquid level detecting device 100 from being separated from the inner cavity wall 210.
The purified water dispenser 10 further comprises a controller 500 and a purified water pipeline, wherein the controller 500 is in communication connection with the liquid level detection device 100, the water inlet pipeline is connected with the raw water tank 300, the water inlet valve 600 is arranged on the water inlet pipeline, the water inlet valve 600 is in communication connection with the controller 500, and the controller 500 controls the water inlet valve 600 to be opened to feed water into the raw water tank 300 according to the liquid level information detected by the liquid level detection device 100, or the controller 500 controls the water inlet valve 600 to be closed to stop feeding water into the raw water tank 300.
The water purifier 10 further includes: the water channel connection detection module 700 and the receiving terminal 800, wherein the water channel connection detection module 700 is suitable for detecting whether a water inlet pipeline is connected with a water source, the water channel connection detection module 700 is in communication connection with the controller 500, and the receiving terminal 800 is in communication connection with the controller 500; when the waterway connection detection module detects that the water source is not connected, the controller 500 sends an alarm signal to the receiving terminal 800, so that the receiving terminal 800 sends alarm information.
The receiving terminal 800 includes a display screen, and the alarm information includes text information of the lack of water.
The capacitive liquid level detection plate 120 is separated from the original water tank 300 by the machine body 200, and is tightly attached to the machine body 200 by the base plate 130 and the gland of the liquid level detection plate, so that the capacitive liquid level detection plate 120 can accurately measure the water level, and the capacitive liquid level detection plate 120 is protected by the base plate 130 and the cover plate 110 and is not easy to influence the measurement result externally.
The working principle of the liquid level detection device 100 on the whole machine is that when the whole machine is externally connected with a tap water pipeline and lacks water, the liquid level detection plate detects that the water level of the original water tank 300 is too low, and controls the water inlet electromagnetic valve of the whole machine to be opened for water supplementing; when the water level reaches the designated water level, the water level detection plate controls to close the water inlet electromagnetic valve so as to stop water inlet. If the whole machine is not connected with a tap water pipeline, when the liquid level detection plate detects that the whole machine is lack of water, the display screen prompts the lack of water, and a user is reminded of timely supplementing water.
Although embodiments of the present utility model have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the utility model, and such modifications and variations fall within the scope of the utility model as defined by the appended claims.
Claims (10)
1. A liquid level detection device, characterized in that the liquid level detection device (100) comprises:
A cover plate (110), wherein the cover plate (110) is provided with an inner side surface (1101), and a clamping groove (111) is formed in the bottom of the inner side surface (1101);
a capacitive liquid level detection plate (120), wherein an inserting part (121) is arranged at the bottom of the capacitive liquid level detection plate (120), and the inserting part (121) is matched and inserted with the clamping groove (111);
And the base plate (130) is arranged between the cover plate (110) and the capacitive liquid level detection plate (120), and the base plate (130) is abutted against the cover plate (110) and the capacitive liquid level detection plate (120).
2. The liquid level detection device according to claim 1, characterized in that the pad (130) is made of a soft material.
3. The liquid level detection device according to claim 1, wherein the pad (130) is provided with a plurality of protrusions (131) spaced apart from each other in sequence in a length direction.
4. A liquid level detection device according to any one of claims 1 to 3, characterized in that the inner side (1101) of the cover plate (110) is further provided with two limiting plates (112), the two limiting plates (112) being respectively provided on opposite sides of the inner side (1101) such that the capacitive liquid level detection plate (120) is located between the two limiting plates (112).
5. A water purifying dispenser, comprising:
A fuselage (200) having an interior cavity wall (210), said interior cavity wall (210) separating a clean water tank (400) region and a raw water tank (300) region;
The fluid level detection apparatus (100) of any one of claims 1 to 4, disposed within said clean water tank (400) region, with a capacitive fluid level detection plate (120) of said fluid level detection apparatus (100) being in engagement with said interior chamber wall (210);
And the raw water tank (300) is arranged in the region of the raw water tank (300) and is attached to the inner cavity wall (210).
6. The water purifying dispenser of claim 5, wherein the inner chamber wall (210) has an outer flange, the capacitive liquid level sensing plate (120) is attached to an inner wall of the outer flange, the outer housing of the raw water tank (300) has an inner recess, and the outer flange is disposed in the inner recess.
7. The water purification dispenser according to claim 5, wherein the inner chamber wall (210) has a pressing portion (2101) extending downwards, the pressing portion (2101) being in abutment with the top of the gland of the liquid level detection device (100).
8. The water purifying dispenser according to any one of claims 5 to 7, wherein the water purifying dispenser (10) further comprises:
a controller (500) in communication with the liquid level detection device (100);
The water inlet pipeline is connected with the raw water tank (300), the water inlet pipeline is provided with a water inlet valve (600), the water inlet valve (600) is in communication connection with the controller (500), and the controller (500) controls the water inlet valve (600) to be opened so as to feed water into the raw water tank (300) according to the liquid level information detected by the liquid level detection device (100), or controls the water inlet valve (600) to be closed so as to stop feeding water into the raw water tank (300).
9. The water purifying dispenser of claim 8, wherein the water purifying dispenser (10) further comprises:
The waterway connection detection module (700) is suitable for detecting whether the water inlet pipeline is connected with a water source, and the waterway connection detection module (700) is in communication connection with the controller (500);
A receiving terminal (800), the receiving terminal (800) being communicatively connected to the controller (500);
When the waterway connection detection module detects that the water source is not connected, the controller (500) sends an alarm signal to the receiving terminal (800) so that the receiving terminal (800) sends alarm information.
10. The water purification dispenser of claim 9, wherein the receiving terminal (800) includes a display screen and the alarm information includes text information of the lack of water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322958550.1U CN221173544U (en) | 2023-11-01 | 2023-11-01 | Liquid level detection device and water purifying and drinking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322958550.1U CN221173544U (en) | 2023-11-01 | 2023-11-01 | Liquid level detection device and water purifying and drinking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221173544U true CN221173544U (en) | 2024-06-18 |
Family
ID=91530570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322958550.1U Active CN221173544U (en) | 2023-11-01 | 2023-11-01 | Liquid level detection device and water purifying and drinking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221173544U (en) |
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2023
- 2023-11-01 CN CN202322958550.1U patent/CN221173544U/en active Active
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