Non-contact liquid level sensor for monitoring water level of high-precision water dispenser
By using a motor-driven lead screw and gear meshing to adjust the height and position of the sensor, the problem of traditional sensors being unable to adapt to different water tank shapes and sizes is solved, achieving high-precision liquid level detection and convenient maintenance.
Patent Information
- Application Number
- CN202520409666.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-10
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-03-10
AI Technical Summary
Existing non-contact liquid level sensors for water dispensers cannot adapt to different water tank shapes and sizes due to their fixed installation method, resulting in decreased detection accuracy, increased risk of dry burning, high maintenance costs, and difficulty in adapting to different specifications of water tanks, affecting ease of use and stability.
A non-contact liquid level sensor was designed, comprising a base plate, an adjustment device, a rotary adjustment mechanism, and a mounting mechanism. The sensor's height and lateral position are adjusted by a motor-driven lead screw and gear meshing. Combined with a detachable design, it can adapt to different water tank structures.
It enables flexible adjustment and quick assembly/disassembly of sensors, improving detection adaptability and ease of use, and reducing equipment failure rate and maintenance costs.
Smart Images

Figure CN223740419U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to liquid level sensor technical field, especially relate to a kind of high-precision water level monitoring of water dispenser non-contact liquid level sensor. BACKGROUND
[0002] At present in modern life, water dispenser has become widely used drinking water equipment, for people provide convenient cold and hot drinking water, non-contact liquid level sensor as the key component of water dispenser, in accurate monitoring water tank water level play an important role, help to avoid dry burning, optimize water supply control etc., however, the majority of water dispenser on the market in the position adjustment design of non-contact liquid level sensor There are significant defects;
[0003] The non-contact liquid level sensor of traditional water dispenser usually adopts fixed installation mode, this fixed installation can ensure that the sensor can detect liquid level in initial state to some extent, but in actual use process, expose many problems, since the water tank of different brands, models of water dispenser exist difference in shape, size and internal structure layout, when sensor position is fixed, it is difficult to adapt to the liquid level detection needs of all water tanks, for example, some high and thin type water tank and short and fat type water tank are compared, liquid level change range and relative position are very different, fixed position sensor may appear detection blind area in high and thin type water tank, cannot accurately perceive low water level state, thereby increase the risk of water dispenser dry burning;And in short and fat type water tank, again, sensor position may be too high, when water tank has more remaining amount, it is mistaken for water shortage, affect normal water supply;
[0004] In addition, water dispenser may be affected by temperature, humidity change of placement environment and vibration in daily use and other factors during long-term use, leading to sensor performance is affected, if sensor position is not adjustable, when measurement accuracy declines, signal interference and other problems occur, user or maintenance personnel is difficult to change sensor position to optimize its working state, this not only increases the probability of equipment failure, also makes maintenance cost greatly increases, because once sensor appears problem, often only overall replacement, and cannot be solved by simple position adjustment;
[0005] At the same time, for part of replaceable water tank or water bucket of water dispenser, the water tank and water bucket of water dispenser usually exist different size specifications, and when user replaces different specifications of water tank, fixed position non-contact liquid level sensor cannot flexibly adapt to new water tank liquid level detection, need additional complex operation or recalibration, bring great inconvenience to user, seriously affect the convenience and stability of water dispenser use. UTILITY MODEL CONTENTS
[0006] In view of the problems mentioned in the background art, the utility model discloses a kind of non-contact liquid level sensors of high-precision water level monitoring of drinking water machine, to solve the problem of inconvenient quick disassembly adjustment drinking water machine in non-contact liquid level sensor during application of prior art.
[0007] The above technical purposes of the utility model are realized by the following technical solutions:
[0008] A kind of non-contact liquid level sensor of high-precision water level monitoring of drinking water machine, including substrate, the front of the substrate is equipped with adjusting device;
[0009] The adjusting device includes vertical rail, the vertical rail is fixedly installed on the front of substrate, first screw rod is rotatably connected in the inside of vertical rail, the outer surface of first screw rod is threadedly connected with sliding block, the sliding block is slidably connected in the inside of vertical rail, the top of vertical rail is fixedly connected with first motor, the output end of first motor is connected by penetrating the top of vertical rail and first screw rod, the front of sliding block is fixedly installed with rotary adjusting mechanism, the top of rotary adjusting mechanism is fixedly connected with horizontal adjusting mechanism, installation mechanism is installed in the inside of horizontal adjusting mechanism, non-contact liquid level sensor body is installed on the inside of horizontal adjusting mechanism by installation mechanism.
[0010] Further, the upper and lower ends of the substrate are fixedly installed with mounting plate, and the outer corners of the mounting plate and the substrate are provided as circular arc shape.
[0011] Further, the sliding block is provided as convex shape in plan view, the internal cavity section shape of vertical rail is also provided as convex shape, and wear-resistant gasket is fixedly connected to the outer surface of sliding block.
[0012] Further, the rotary adjusting mechanism includes annular rail, the annular rail is fixedly connected to the front of sliding block, power component is fixedly connected to the bottom side in the annular rail, sliding ring is slidably connected in the inside of annular rail, the outside of sliding ring is connected with power component, and the top of sliding ring is connected with the bottom of horizontal displacement mechanism.
[0013] Further, the power component includes bottom disc and gear ring, the bottom disc is fixedly connected to the bottom side middle of annular rail, second motor is fixedly connected to the bottom of bottom disc, gear wheel is fixedly installed on the output end of second motor, the gear ring is fixedly connected to the outside of sliding ring, and gear wheel and gear ring are engagedly connected.
[0014] Further, the lateral adjusting mechanism comprises a guide rail fixedly connected to the top of the sliding ring, a sliding frame slidably connected to the inside of the guide rail, a driving assembly fixedly connected to one side of the guide rail, and a moving end of the driving assembly connected to one side of the sliding frame.
[0015] Further, the driving assembly comprises side plates fixedly connected to the front and back ends of the side of the guide rail away from the driving assembly, a third motor fixedly connected to the back of the side plate, a second screw rod fixedly connected to the output end of the third motor and penetrating through the side plate, the second screw rod rotationally connected to the inside of the two side plates, and a sliding block threadedly connected to the outer surface of the second screw rod and connected to the outside of the sliding frame.
[0016] Further, the two ends of the mounting plate are provided with mounting holes in the form of counterbores.
[0017] Further, the mounting mechanism comprises a side frame fixedly connected to the side of the sliding frame away from the sliding block, a limiting spring fixedly connected to the inside of the side frame, a movable block fixedly connected to the end of the limiting spring, a clamping frame fixedly connected to the end of the movable block, a clamping block fixedly connected to the end of the clamping frame, and a clamping groove provided in the middle of the side of the non-contact liquid level sensor body close to the clamping frame and into which the end of the clamping frame is inserted.
[0018] Further, the side of the movable block away from the clamping frame is fixedly connected with a connecting shaft, and the end of the connecting shaft is fixedly connected with a pull plate penetrating through the side frame.
[0019] In summary, the utility model mainly has the following beneficial effects:
[0020] First, the adjusting device is arranged, so that the first motor can be started during use, the first screw rod is driven, the sliding block is caused to slide up and down in the vertical rail, the lateral and rotary adjusting mechanisms are driven, the height of the non-contact liquid level sensor body is accurately adjusted, the detection adaptability is improved, the third motor is started, the second screw rod is driven, the sliding block drives the sliding frame to slide in the guide rail, the lateral displacement of the sensor body is realized, the first motor and the third motor cooperate, the height and the lateral position of the sensor can be flexibly adjusted, various water dispenser tank structures and liquid level detection requirements are adapted, and the device exhibits good adaptability during use.
[0021] Second, through the rotation adjustment and installation mechanism work together, so that in use, first put the ring in the water tank top outside, start the second motor, through the gear and gear ring meshing, drive the slip ring and top transverse adjustment mechanism rotation, change displacement orientation, let the sensor body can multidirectional flexible displacement, adapt to different water tank, in maintenance, pull the pull plate, drive the movable block stretch limit spring, make the clamping block of clamping frame separate from the clamping groove, can pull out the sensor body; Reverse operation can be installed, the design is convenient for sensor quick assembly and disassembly, combined with flexible adjustment, greatly improve the device use convenience and versatility, enhance the overall adaptation performance. BRIEF DESCRIPTION OF DRAWINGS
[0022] Figure 1 is the overall structure schematic diagram of the utility model;
[0023] Figure 2 is the bottom view structure schematic diagram of the utility model;
[0024] Figure 3 is the rear view structure schematic diagram of the utility model;
[0025] Figure 4 is the transverse adjustment mechanism structure schematic diagram of the utility model;
[0026] Figure 5 is the transverse adjustment mechanism separation state structure schematic diagram of the utility model;
[0027] Figure 6 is the installation mechanism structure schematic diagram of the utility model;
[0028] Figure 7 is the installation mechanism separation state structure schematic diagram of the utility model;
[0029] Figure 8 is the A place enlarged structure schematic diagram of the utility model Figure 3 .
[0030] Fig. 1, base plate; 2, adjustment device; 21, vertical rail; 22, first screw; 23, sliding block; 24, first motor; 25, rotary adjustment mechanism; 251, ring rail; 252, power assembly; 2521, bottom disc; 2522, gear ring; 2523, second motor; 2524, gear; 253, slip ring; 26, transverse adjustment mechanism; 261, guide rail; 262, sliding carriage; 263, drive assembly; 2631, side plate; 2632, third motor; 2633, second screw; 2634, sliding block; 27, installation mechanism; 271, side frame; 272, clamping groove; 273, limit spring; 274, movable block; 275, clamping frame; 276, clamping block; 277, connecting shaft; 278, pull plate; 28, non-contact liquid level sensor body; 3, mounting plate; 4, mounting hole. DETAILED DESCRIPTION
[0031] EMBODIMENT
[0032] REFERENCE Figures 1 to 8 The non-contact liquid level sensor for high-precision water level monitoring of a water dispenser in the embodiment comprises a base plate 1, and an adjusting device 2 is mounted on the front face of the base plate 1;
[0033] The adjusting device 2 comprises a vertical rail 21 fixedly installed on the front face of the base plate 1, the inside of the vertical rail 21 is rotationally connected with a first lead screw 22, the outer surface of the first lead screw 22 is threadedly connected with a sliding block 23, the sliding block 23 is slidingly connected to the inside of the vertical rail 21, the top of the vertical rail 21 is fixedly connected with a first motor 24, the output end of the first motor 24 is connected with the top of the vertical rail 21 and the first lead screw 22, the front face of the sliding block 23 is fixedly installed with a rotary adjusting mechanism 25, the top of the rotary adjusting mechanism 25 is fixedly connected with a horizontal adjusting mechanism 26, the inside of the horizontal adjusting mechanism 26 is installed with a mounting mechanism 27, the inside of the horizontal adjusting mechanism 26 is installed with a non-contact liquid level sensor body 28 through the mounting mechanism 27, during use, the base plate 1 is first installed through the cooperation of the front face mounting hole 4 and the bolt, during work, the first motor 24 at the top of the vertical rail 21 is started, the output end of the first motor 24 drives the first lead screw 22 to rotate, since the first lead screw 22 is threadedly connected with the sliding block 23 and the sliding block 23 slides in the vertical rail 21, the first lead screw 22 drives the sliding block 23 to displace up and down along the vertical rail 21, further drives the rotary adjusting mechanism 25 fixed on the front face and the horizontal adjusting mechanism 26 connected at the top to move up and down, so as to realize the height adjustment of the non-contact liquid level sensor body 28 to adapt to different water tank heights of water dispensers, at the same time, the rotary adjusting mechanism 25 and the horizontal adjusting mechanism 26 work cooperatively, when the rotary adjusting mechanism 25 works, the linear displacement direction of the horizontal adjusting mechanism 26 can be changed, so that the sensor body can displace in different directions, further improving the adaptability to different water tank structures, and the mounting mechanism 27 is used for conveniently mounting and dismounting the non-contact liquid level sensor body 28, facilitating the subsequent maintenance and replacement.
[0034] REFERENCE Figures 1-3The upper and lower ends of the substrate 1 are fixedly installed with mounting plates 3, the mounting plates 3 and the outer corners of the substrate 1 are provided in a circular arc shape, the slider 23 is provided in a convex shape in plan view, the internal cavity section shape of the vertical rail 21 is also provided in a convex shape, the outer surface of the slider 23 is fixedly connected with a wear-resistant gasket, the mounting plates 3 fixedly installed at the upper and lower ends of the substrate 1 are provided in a circular arc shape at the outer corners of the substrate 1, which can not only prevent personnel from being scratched due to sharp corners during carrying and installation, but also avoid scratching and damaging surrounding equipment or objects, thereby enhancing the safety and reliability of the device in use, the slider 23 is provided in a convex shape in plan view and matches the internal cavity section shape of the vertical rail 21, this unique structure design enables the slider 23 to not only stably displace up and down along a straight line when sliding in the vertical rail 21, but also effectively prevent the slider 23 from shaking or deviating during sliding, thereby ensuring the accuracy and stability of the adjustment process, and the wear-resistant gasket fixedly connected to the outer surface of the slider 23 greatly improves the wear resistance of the slider 23, which can reduce the friction loss between the slider 23 and the vertical rail 21 during long-term and frequent up-and-down sliding, thereby reducing the equipment failure rate and prolonging the service life of the device, and at the same time, it also ensures that the slider 23 can always smoothly slide in the vertical rail 21, thereby maintaining the efficient operation of the entire adjustment device 2.
[0035] Reference Figures 1-5The rotating adjusting mechanism 25 comprises a ring track 251 fixedly connected to the front surface of the sliding block 23, a power assembly 252 fixedly connected to the bottom side in the ring track 251, a sliding ring 253 slidably connected in the ring track 251, the outer side of the sliding ring 253 connected with the power assembly 252, the top of the sliding ring 253 connected with the bottom of the horizontal moving mechanism, the power assembly 252 comprising a base plate 2521 and a gear ring 2522, the base plate 2521 fixedly connected to the middle of the bottom side of the ring track 251, the bottom of the base plate 2521 fixedly connected with a second motor 2523, the output end of the second motor 2523 fixedly provided with a gear 2524, the gear ring 2522 fixedly connected to the outer side of the sliding ring 253, the gear 2524 and the gear ring 2522 meshingly connected, the two ends of the mounting plate 3 are provided with mounting holes 4, the mounting holes 4 are designed as counterbores, the ring track 251 fixedly connected to the front surface of the sliding block 23 provides a basic support and a movable track for the entire rotating adjusting mechanism 25, the power assembly 252 located at the bottom side in the ring track 251 plays a driving role, the base plate 2521 is stably connected to the middle of the bottom side of the ring track 251, the second motor 2523 at the bottom of the base plate 2521 serves as a power source, when the second motor 2523 is started, the output end drives the gear 2524 to rotate at a high speed, since the gear ring 2522 is fixed to the outer side of the sliding ring 253 and the gear 2524 is meshingly connected with the gear ring 2522, the rotation of the gear 2524 drives the gear ring 2522, and further drives the sliding ring 253 to stably slide in the ring track 251, the top of the sliding ring 253 is connected with the bottom of the horizontal moving mechanism, the rotation of the sliding ring 253 drives the horizontal moving mechanism to change the linear displacement direction, so that the non-contact liquid level sensor body 28 can realize flexible displacement in multiple directions, and the adaptation ability to different water tank and water buckets of the water dispenser is improved, the counterbores provided at the two ends of the mounting plate 3 are of great significance in the device installation process, the design of the counterbores enables the head of the mounting screw to sink into the hole, on the one hand, the mounting surface is more smooth, avoiding the safety hazards such as scratches caused by the protruding screw head; on the other hand, the counterbores can better fix the screw, effectively preventing the screw from loosening during use, enhancing the stability and reliability of the entire device installation, ensuring that the connection of each component is stable during equipment operation, and protecting the stable work of the adjusting device 2 and the liquid level sensor.
[0036] Reference Figures 1-5The transverse adjusting mechanism 26 comprises a guide rail 261 fixedly connected to the top of the sliding ring 253, a sliding frame 262 slidably connected to the inside of the guide rail 261, and a driving assembly 263 fixedly connected to one side of the guide rail 261, with the moving end of the driving assembly 263 connected to one side of the sliding frame 262. The mounting mechanism 27 is arranged on the side of the sliding frame 262 away from the driving assembly 263, and the contactless liquid level sensor body 28 is mounted in the sliding frame 262 through the mounting mechanism 27. The driving assembly 263 comprises side plates 2631 fixedly connected to the front and back ends of the side of the guide rail 261 away from the driving assembly 263, a third motor 2632 fixedly connected to the back of the side plate 2631, a second lead screw 2633 fixedly connected to the output end of the third motor 2632 and penetrating through the side plate 2631, and a sliding block 2634 threadedly connected to the outer surface of the second lead screw 2633 and connected to the outside of the sliding frame 262. During use, when the third motor 2632 is started, the output end drives the second lead screw 2633 to rotate. Since the second lead screw 2633 is rotatably connected between the inside of the two side plates 2631 and threadedly connected to the sliding block 2634, the rotation of the second lead screw 2633 drives the sliding block 2634 to move axially along the second lead screw 2633. Since the inside of the sliding block 2634 is connected to the outside of the sliding frame 262, the movement of the sliding block 2634 drives the sliding frame 262 to slide smoothly in the guide rail 261, thereby driving the contactless liquid level sensor body 28 mounted in the sliding frame 262 to move horizontally. Through such a design, in combination with the rotary adjusting mechanism 25, the sensor body can realize flexible movement in multiple directions, better adapt to the structural characteristics of different water dispenser tanks and buckets, and improve the overall performance and applicability of the device.
[0037] Reference Figures 6-8The mounting mechanism 27 comprises a side frame 271 and a clamping groove 272. The side frame 271 is fixedly connected to one side of the sliding frame 262 away from the sliding block 2634. The inside of the side frame 271 is fixedly connected with a limiting spring 273. The end of the limiting spring 273 is fixedly connected with a movable block 274. The end of the movable block 274 is fixedly connected with a clamping frame 275. The end of the clamping frame 275 is fixedly connected with a clamping block 276. The clamping groove 272 is arranged in the middle of one side of the non-contact liquid level sensor body 28 close to the clamping frame 275. The end of the clamping frame 275 is inserted into the inside of the clamping groove 272. The side of the movable block 274 away from the clamping frame 275 is fixedly connected with a connecting shaft 277. The end of the connecting shaft 277 is fixedly connected with a pull plate 278 penetrating through the side frame 271. During use, the side of the sliding frame 262 away from the sliding block 2634 is fixedly connected with the side frame 271. The limiting spring 273 arranged in the inside of the side frame 271 is connected with the side frame 271 at one end and connected with the movable block 274 at the other end. When the non-contact liquid level sensor body 28 needs to be maintained, the pull plate 278 at the end of the connecting shaft 277 is pulled. The connecting shaft 277 drives the movable block 274 to move. The limiting spring 273 is stretched. The clamping frame 275 at the end of the movable block 274 moves synchronously. The clamping block 276 at the end of the clamping frame 275 slides synchronously. Finally, the clamping block 276 is separated from the clamping groove 272 arranged in the middle of one side of the non-contact liquid level sensor body 28. At this time, the sensor body can be pulled out from the inside of the sliding frame 262. When the sensor body is installed, it is inserted into the corresponding position in the sliding frame 262. The pull plate 278 is loosened. The limiting spring 273 is reset. The movable block 274 is reversely moved. The clamping block 276 at the end of the clamping frame 275 is inserted into the clamping groove 272. The clamping limiting is realized. The installation of the sensor body is completed. The design of the mounting mechanism 27 cooperates with the flexible adjustment characteristics of the overall device, which further improves the use convenience and the maintenance efficiency of the device.
[0038] Use principle and advantage: by setting the adjusting device 2, during use, can be installed with the mounting hole 4 on the mounting plate 3 and bolt cooperation, complete the installation of the device substrate 1, in the process of equipment operation, start the first motor 24, the first motor 24 operation can drive the first screw rod 22 rotation, in turn promote the slider 23 inside the vertical rail 21 sliding, by adjusting the up and down sliding of the slider 23, can drive the whole horizontal adjustment mechanism 26 and rotary adjustment mechanism 25 to move up and down, so as to realize the height adjustment of the non-contact liquid level sensor body 28, this kind of height adjustment function effectively improves the detection adaptation ability of the sensor, at the same time, start the third motor 2632 in use, the third motor 2632 operation drive the second screw rod 2633 rotation, the second screw rod 2633 rotation drives the sliding block 2634, make the carriage 262 inside the guide rail 261 sliding, in turn drive the carriage 262 drive non-contact liquid level sensor body 28 realize horizontal displacement, thus can see, through the coordinated operation of the first motor 24 and the third motor 2632, can flexibly adapt to the height and horizontal position of the non-contact liquid level sensor body 28, this design makes the device has good adaptation performance in practical application, reaches the effect of accurate adaptation to different drinking water machine water tank structure and liquid level detection demand;
[0039] By setting the rotation adjusting mechanism 25 and the mounting mechanism 27 cooperate with each other, during use, first install the annular rail 251 on the outside of the water tank top in the water dispenser, at this time start the second motor 2523, the second motor 2523 runs to drive the gear 2524 to rotate, because the gear 2524 is connected with the gear ring 2522, the second motor 2523 drives the gear 2524 to drive the gear ring 2522 to rotate, the gear ring 2522 rotates to drive the slip ring 253 to rotate, the horizontal adjusting mechanism 26 on the top of the slip ring 253 rotates, by adjusting the rotation of the horizontal adjusting mechanism 26, the linear displacement direction can be changed, so that the non-contact liquid level sensor body 28 can realize flexible and stable horizontal displacement, and also can perform height and direction displacement activity, which significantly improves the adaptive use performance of the device during use, can flexibly adjust the position of the non-contact liquid level sensor body 28, and maximally adapt to the water tank and water bucket of different water dispensers. In addition, during use, if it is necessary to maintain and repair the non-contact liquid level sensor body 28, the pulling plate 278 can be adjusted to drive the movable block 274 to stretch the limit spring 273 to move forward, the limit spring 273 moves forward to drive the clamping frame 275 to separate from the clamping groove 272, so that the clamping frame 275 and the clamping groove 272 are separated from each other, at this time the non-contact liquid level sensor body 28 can be pulled out from the inside of the slide 262. When installing the non-contact liquid level sensor body 28, first insert it into the inside of the slide 262, after insertion, loosen the pulling plate 278, the limit spring 273 resets to drive the movable block 274 to move inward, the movable block 274 moves inward to drive the clamping frame 275 to move inward, the clamping block 276 at the end of the clamping frame 275 is inserted into the inside of the clamping groove 272, and the clamping frame 275 and the clamping groove 272 are limited by mutual clamping to clamp the non-contact liquid level sensor body 28 to the inside of the slide 262 to complete the installation. In summary, the device adopts the design of convenient and quick disassembly and assembly of the non-contact liquid level sensor body 28, and combines with the flexible adjusting design, which greatly improves the use convenience and adaptive performance of the device, and achieves the effect of improving user experience and equipment versatility.
Claims
1. A non-contact liquid level sensor for high-precision water level monitoring of a water dispenser, comprising a substrate, characterized in that: The front surface of the substrate is provided with an adjusting device; The adjusting device comprises an upright rail fixedly installed on the front surface of the substrate, a first screw rod rotatably connected inside the upright rail, a sliding block threadedly connected to the outer surface of the first screw rod, a first motor fixedly connected to the top of the upright rail, an output end of the first motor connected through the top of the upright rail and the first screw rod, a rotary adjusting mechanism fixedly installed on the front surface of the sliding block, a horizontal adjusting mechanism fixedly connected to the top of the rotary adjusting mechanism, an installation mechanism installed inside the horizontal adjusting mechanism, and a non-contact liquid level sensor body installed on the inner side of the horizontal adjusting mechanism through the installation mechanism.
2. A non-contact liquid level sensor for high precision water level monitoring of a water dispenser as claimed in claim 1, wherein: The upper and lower ends of the substrate are both fixedly installed with installation plates, and the outer corners of the installation plates and the substrate are both provided in a circular arc shape.
3. A non-contact liquid level sensor for high precision water level monitoring of a water dispenser as claimed in claim 1, wherein: The sliding block is provided in a convex shape in plan view, the internal cavity of the upright rail is also provided in a convex shape, and the outer surface of the sliding block is fixedly connected with a wear-resistant gasket.
4. The non-contact liquid level sensor for high-precision water level monitoring of a water dispenser according to claim 2, characterized in that: The rotary adjusting mechanism comprises a ring-shaped rail fixedly connected to the front surface of the sliding block, a power assembly fixedly connected to the bottom side of the ring-shaped rail, a sliding ring slidably connected inside the ring-shaped rail, the outer side of the sliding ring connected with the power assembly, and the top of the sliding ring connected with the horizontal adjusting mechanism.
5. A non-contact liquid level sensor for high precision water level monitoring of a water dispenser as claimed in claim 4, wherein: The power assembly comprises a base plate fixedly connected to the middle of the bottom side of the ring-shaped rail, a second motor fixedly connected to the bottom of the base plate, a gear fixedly installed on the output end of the second motor, and a gear ring fixedly connected to the outer side of the sliding ring.
6. A non-contact liquid level sensor for high precision water level monitoring of a water dispenser as claimed in claim 5, wherein: The horizontal adjusting mechanism comprises a guide rail fixedly connected to the top of the sliding ring, a sliding carriage slidably connected inside the guide rail, a drive assembly fixedly connected to one side of the guide rail, a moving end of the drive assembly connected with one side of the sliding carriage, the installation mechanism arranged on the side of the sliding carriage away from the drive assembly, and the non-contact liquid level sensor body installed inside the sliding carriage through the installation mechanism.
7. A non-contact liquid level sensor for high precision water level monitoring of a water dispenser as claimed in claim 6, wherein: The drive assembly comprises side plates fixedly connected to the front and back ends of the side of the guide rail away from the drive assembly, a third motor fixedly connected to the back surface of the side plate, a second screw rod fixedly connected to the output end of the third motor and penetrating through the side plate, the second screw rod rotatably connected between the inner sides of the two side plates, and a sliding block threadedly connected to the outer surface of the second screw rod and connected with the outer side of the sliding carriage.
8. A non-contact liquid level sensor for high precision water level monitoring of a water dispenser as claimed in claim 7, wherein: Both ends of the installation plate are provided with installation holes in the form of countersunk holes.
9. A non-contact liquid level sensor for high precision water level monitoring of a water dispenser as claimed in claim 7, wherein: The installation mechanism comprises a side frame fixedly connected to the side of the sliding carriage away from the sliding block, a limiting spring fixedly connected inside the side frame, a movable block fixedly connected to the end of the limiting spring, a clamping frame fixedly connected to the end of the movable block, a clamping block fixedly connected to the end of the clamping frame, a clamping groove provided in the middle of the side of the non-contact liquid level sensor body close to the clamping frame, and the end of the clamping frame inserted into the inside of the clamping groove.
10. A non-contact liquid level sensor for high precision water level monitoring of a water dispenser as claimed in claim 9, wherein: The movable block is fixedly connected with a connecting shaft away from one side of the clamping frame, and the end of the connecting shaft is fixedly connected with a pull plate penetrating through the side frame.