CN218566640U

CN218566640U - Water level automatic checkout device of vegetation machine

Info

Publication number: CN218566640U
Application number: CN202222827859.2U
Authority: CN
Inventors: 吴琎; 张世海
Original assignee: Beijing Kitten and Puppy Technology Co Ltd
Current assignee: Beijing Kitten and Puppy Technology Co Ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-03
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a water level automatic checkout device of vegetation machine, include: the water tank is arranged on the plant planter, a floating cavity is arranged on the inner side wall of the water tank, and an opening is formed in the bottom of the floating cavity and communicated with a solution in the water tank; the buoy is arranged in the buoy cavity, and a permanent magnet is arranged inside the buoy; the first Hall sensor and the second Hall sensor are respectively arranged on the side wall surface of the water tank at the positions corresponding to the top and the bottom of the floating cavity, wherein the first Hall sensor is lower than the full water level, the second Hall sensor is higher than the empty water level, and the Hall sensors output high level when detecting the permanent magnet. The utility model discloses use two way hall sensor, reduce sensor channel quantity and circuit design's complexity as far as possible, simultaneously, can avoid hall sensor detection range little, detect the problem of blind area.

Description

Water level automatic checkout device of vegetation machine

Technical Field

The utility model relates to a vegetation machine field particularly relates to a water level automatic checkout device of vegetation machine.

Background

The existing technical schemes for testing the water level are more, and comprise ultrasonic, differential capacitance, photoelectricity and the like, wherein the scheme of the Hall sensor is one of the most common schemes with the lowest cost.

In the conventional Hall sensor scheme, because the detection range of the Hall device is limited, the position of the magnet must be over against the Hall device to be effectively triggered, and the level jump is generated. In the prior art, in order to detect the change of the water level in the water tank, one hall sensor is usually placed at intervals of 5mm to 8mm, which results in a large number of required hall sensors, as shown in fig. 1.

The prior art solutions are costly because they require a relatively large number of components. Meanwhile, a Microcontroller (MCU) is usually added to the multi-channel hall device to perform multi-channel level detection, and a serial signal is output to an upper computer, thereby increasing the complexity of system design and the overall cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses just based on prior art's above-mentioned demand and propose, the to-be-solved technical problem of the utility model is to provide a water level automatic checkout device of vegetation machine.

In order to solve the above problem, the utility model provides a technical scheme includes:

there is provided an automatic water level detecting apparatus for a vegetation machine, comprising:

the water tank is arranged on the plant planter, a floating cavity is arranged on the inner side wall of the water tank, and an opening is formed in the bottom of the floating cavity and communicated with a solution in the water tank;

the buoy is arranged in the buoy cavity, and a permanent magnet is arranged inside the buoy;

the first Hall sensor and the second Hall sensor are respectively arranged on the side wall surface of the water tank at the corresponding positions of the top and the bottom of the floating cavity, wherein the first Hall sensor is lower than the full water level, the second Hall sensor is higher than the empty water level, and the Hall sensors can output high level when detecting the permanent magnet.

With this design, use two way hall sensor, reduce sensor channel quantity and circuit design's complexity as far as, simultaneously, can avoid hall sensor detection range little, detect the problem of blind area.

Optionally, the method further comprises:

the controller is connected with the first Hall sensor and the second Hall sensor;

the prompting device is connected with the controller and used for prompting a user to supplement the water tank when the first Hall sensor and the second Hall sensor are both at low levels; and when the second Hall sensor is at a high level, alarming is carried out to prompt a user to fill the water tank.

With this design, can realize that the water tank is in the accurate suggestion of half case water level and anhydrous time, remind the user in time to supply nutrient solution or water.

Optionally, the method further comprises:

a refill tube connected to the water tank;

and the water replenishing pump is connected with the water replenishing pipe and the controller.

With this design, when the water tank is at half case water level and no water, through control moisturizing pump switch, full with the water tank.

Optionally, the method comprises the following steps:

the upper part of the floating cavity is provided with a hook which is vertically hung on the side wall of the floating cavity.

With this design, the flotation chamber is detachably mounted on the water tank.

Optionally, comprising:

the inner side of the side wall of the water tank is provided with a clamping seat which is arranged corresponding to the clamping groove arranged on the floating cavity.

With this design, the cursory chamber is installed on the water tank with the unloading, strengthens the stability of installation.

Optionally, the method further comprises:

and automatically starting the water replenishing pump according to the instruction of the controller, and stopping the water replenishing pump for a preset time T after the first Hall sensor detects the high level so as to ensure that the water tank reaches the full water level.

Optionally, the method further comprises:

and the flowmeter is connected with the controller, is arranged on the replenishing pipe and is used for detecting the amount of the replenishing water.

With this design, through detecting the moisturizing volume that first hall sensor distance filled the water tank, the switch of control moisturizing pump is realized through the flow of comparison moisturizing volume and flowmeter to the controller, accurate moisturizing.

Optionally, the method further comprises:

and the display unit is connected with the controller.

With this design, can show each state through the display element, including, water tank liquid level height, moisturizing volume.

Optionally, the method further comprises:

the guide post is fixed in the floating cavity; the buoy 3 is annularly sleeved on the guide post and slides up and down according to the change of the solution in the water tank 1;

or

The float 3 floats in the float cavity in a disc shape.

With the design, the buoy 3 can only float up and down and cannot roll, so that the magnetic line of force of the permanent magnet can vertically penetrate through the surface of the Hall sensor all the time, and the accuracy of a detection result is ensured.

Optionally, the method comprises the following steps:

the first Hall sensor is placed at a position which is 5mm-10mm higher than the half tank water level of the water tank.

Compared with the prior art, the utility model uses two paths of Hall sensors, reduces the number of sensor channels and the complexity of circuit design as much as possible, and simultaneously can avoid the problems of small detection range and detection blind area of the Hall sensors; reminding a user to supplement nutrient solution or water in time by arranging a prompting device; according to the configured water replenishing device and the flowmeter, accurate water replenishing is realized.

Drawings

In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present specification, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic view of a level sensor for detecting a change in water level in a tank;

fig. 2 is a schematic view of a liquid level sensor of an automatic water level detection device of a planting machine provided by the embodiment of the utility model.

Reference numerals:

1-a water tank; 2-actual tank liquid level; 3-floating; 4-a first hall sensor; 5-a communicating vessel; 6-second Hall sensor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection, which may be a mechanical connection, an electrical connection, which may be a direct connection, or an indirect connection via an intermediate medium. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The terms "top," "bottom," "above … …," "down," and "above … …" as used throughout the description are relative positions with respect to components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are multifunctional, regardless of their orientation in space.

For the purpose of facilitating understanding of the embodiments of the present application, the following description will be made in terms of specific embodiments with reference to the accompanying drawings, which are not intended to limit the embodiments of the present application.

Example 1

The embodiment provides a water level automatic checkout device of vegetation machine, as shown in fig. 2, specifically include:

the water tank 1 is arranged on the plant planter, a floating cavity is arranged on the inner side wall of the water tank 1, and an opening is formed in the bottom of the floating cavity and communicated with a solution in the water tank 1;

the buoy 3 is arranged in the buoy cavity, and a permanent magnet is arranged inside the buoy 3;

the first Hall sensor 4 and the second Hall sensor 6 are respectively arranged on the side wall surface of the water tank 1 at the positions corresponding to the top and the bottom of the floating cavity, wherein the first Hall sensor 4 is lower than the full water level, the second Hall sensor 6 is higher than the empty water level, and the Hall sensors output high level when detecting the permanent magnet.

Wherein, nutrient solution or water is filled in the water tank 1 to supplement nutrition or water for plants on the planter.

The embodiment of the utility model provides an only utilize two way hall sensor and a cursory device of taking magnet, realize the water level automatic checkout device of vegetation machine. The float 3 moves up and down along with the water level in the float cavity, when the magnet in the float 3 is close to the Hall sensor, the magnetic line of force passes through the Hall sensor, the sensor outputs high level, otherwise, the sensor outputs low level; with this design, use two way hall sensor, reduce sensor channel quantity and circuit design's complexity as far as, simultaneously, can avoid hall sensor detection range little, detect the problem of blind area.

Preferably, the detection device further comprises:

the controller is connected with the first Hall sensor 4 and the second Hall sensor 6;

the prompting device is connected with the controller and used for prompting a user to supplement the water tank 1 when the first Hall sensor 4 and the second Hall sensor 6 are both in low level; when the second hall sensor 6 is at a high level, an alarm is given to prompt a user to fill the water tank 1, which is specifically shown in table 1:

TABLE 1

Wherein the controller is preferably an MCU.

The Hall sensor is divided into two ways of high water level and low water level, and the Hall sensor of high water level is first Hall sensor 4, confirms the position of placing of first Hall sensor 4 according to detection range, and floats 3 and is restricted at this highest position by 5 structure restrictions of linker, and float 3 keeps unchangeable at this position all the time when actual water level is higher than first Hall sensor 4 position promptly, and first Hall sensor 4 outputs high level all the time this moment. The purpose is that when the buoy 3 drops to the actual half-tank water level from the high water level, the first Hall sensor 4 can not detect the buoy, and the output level is changed from high to low. The level jump process of the first hall sensor 4 is set to trigger the prompt message of the user to remind the user to supplement the nutrient solution. When the float 3 is between the first Hall sensor 4 and the second Hall sensor 6, both the two sensors output low level, and the equipment continuously sends out prompt information in the process. When the water level continues to drop and the buoy 3 reaches the bottom of the water tank 1, the second Hall sensor 6 is triggered to output a high level, and then a user is prompted to supplement the whole tank of nutrient solution.

With this design, can realize that water tank 1 is in half accurate suggestion when case water level and anhydrous, remind the user in time to supply nutrient solution or water.

Preferably, the detection device further comprises:

a supplementary pipe connected to the water tank 1;

With this design, when the water tank 1 is at half-tank water level and no water, the water tank 1 is filled by controlling the switch of the water replenishing pump.

The embodiment of the utility model provides an in, detection device can be based on the instruction of controller is opened automatically the moisturizing pump, and works as after first hall sensor 4 detects the high level, stop again through predetermineeing time T the moisturizing pump, in order to guarantee water tank 1 reaches full water level.

In the embodiment of the utility model, the cursory chamber top is configured with the couple, hangs perpendicularly on cursory chamber lateral wall.

According to actual needs, the installation height of the floating cavity can be different, so that a suspension device with adjustable height is arranged above the floating cavity and can be detachably installed on the water tank 1 through a hook, the suspension device is convenient for a user to use, for example, the user does not want to add nutrient solution or water too early and can adjust the height to be lower to be a little closer to the bottom of the water tank 1, and the prompting device can delay prompting and alarming.

With this design, the buoyancy chamber is detachably mounted on the water tank 1.

Further, because the stability of couple may be relatively poor, so in the embodiment of the utility model provides an, the lateral wall inboard of water tank 1 is provided with the cassette, is in with the configuration the draw-in groove on the cursory chamber corresponds the setting.

The stability of the suspension device is poor, for example, when someone touches the hook carelessly, the hook may fall or move, and the accuracy of the detection result is affected, so that the clamping seat is arranged on the inner side of the water tank 1, and the suspension device is fixed on the side surface of the water tank 1. With this design, the cursory chamber is installed on water tank 1 with the unloading, strengthens the stability of installation.

Preferably, the detection device further comprises:

and the flow meter is connected with the controller, is arranged on the replenishing pipe and is used for detecting the amount of the replenishing water.

The preset time T is a numerical value set manually, so that the full water level obtained by the water replenishing pump and the water level detection device may have an error with the actual full water level, and the embodiment of the utility model is further provided with a flowmeter to realize accurate water replenishing; determining the amount of water supplement required by filling the water tank 1 from the position according to the distance between the first Hall sensor 4 and the top of the water tank 1; and when the first Hall sensor 4 detects a high level, the flowmeter is started, and when the flow value of the flowmeter is determined to be the same as the water replenishing amount or smaller than a preset value M, the controller controls the water replenishing pump to be closed.

With this design, through the moisturizing volume that detects first hall sensor 4 distance and fill up the water tank, the switch of control moisturizing pump is realized accurate moisturizing through the flow of comparison moisturizing volume and flowmeter to the controller.

Preferably, the detection device further comprises:

and the display unit is connected with the controller.

With this design, can show each state through the display element, including, water tank 1 liquid level height, moisturizing volume.

In an embodiment of the present invention, the detection device includes:

or

The float 3 floats in the float cavity in a disc shape.

Preferably, the first hall sensor 4 is placed 5mm to 10mm above the half tank water level of the water tank 1.

Compared with the prior art, the embodiment of the utility model uses two paths of Hall sensors, reduces the number of sensor channels and the complexity of circuit design as much as possible, and simultaneously can avoid the problems of small detection range and detection blind area of the Hall sensors; reminding a user to supplement nutrient solution or water in time by arranging a prompting device; according to the configured water replenishing device and the flowmeter, accurate water replenishing is realized.

The above-mentioned embodiments, objects, technical solutions and advantages of the present application are described in further detail, it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present application, and are not intended to limit the scope of the present application, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.

Claims

1. An automatic water level detection device for a vegetation machine, comprising:

2. The detection device according to claim 1, further comprising:

the prompting device is connected with the controller and used for prompting a user to supplement the water tank when the first Hall sensor and the second Hall sensor are both at low levels; when the second Hall sensor is at a high level, an alarm is given to prompt a user to fill the water tank.

3. The detection device according to claim 2, further comprising:

a supplementary pipe connected with the water tank;

and the water replenishing pump is respectively connected with the replenishing pipe and the controller.

4. A testing device according to any one of claims 1 to 3, comprising:

5. The detection device according to claim 4, characterized by comprising:

6. The detection device of claim 3, further comprising:

7. The detection device of claim 3, further comprising:

8. The detection device of claim 2, further comprising:

and the display unit is connected with the controller.

9. The detection device of claim 1, further comprising:

the guide post is fixed in the floating cavity; the buoy is annularly sleeved on the guide post and slides up and down according to the change of the solution in the water tank;

or

The buoy floats in the buoy cavity in a disc shape.

10. The detection device according to claim 1, comprising: