CN219162587U - Liquid storage tank and liquid level control device thereof - Google Patents

Abstract

The application provides a reservoir and liquid level control device thereof relates to the liquid level control device field, and the liquid level control device of reservoir includes: the liquid level control device comprises a first guide piece, a first moving assembly, a second guide piece, a second moving assembly and a water pump, wherein the water pump is connected with a liquid storage tank, the first moving assembly is movably arranged in the first guide piece and is used for synchronously moving according to the liquid level in the liquid storage tank, the second moving assembly is movably arranged in the second guide piece and synchronously moves with the first moving assembly, a first signal sheet and a second signal sheet are arranged in the second guide piece along the moving direction of the second moving assembly, the second moving assembly is contacted with the first signal sheet or the second signal sheet to respectively control the starting or closing of the water pump, and compared with a liquid level control mode of a PLC control system, the liquid level control device saves equipment investment cost and maintenance cost and is low in cost.

Description

Liquid storage tank and liquid level control device thereof

Technical Field

The application relates to the field of liquid level control devices, in particular to a liquid storage tank and a liquid level control device thereof.

Background

The liquid level control controls the high and low liquid levels by controlling the start and stop of a water pump, an electromagnetic valve, an electric valve and the like. The liquid level control is widely applied to fire fighting, civil and building water tanks, water towers, water tanks, industrial boilers, petrochemical industry, papermaking, food, sewage treatment and other industries, and the controlled medium can be water, oil, acid, alkali, industrial sewage and other conductive and nonconductive liquids.

The existing liquid level control mostly adopts a PLC control system, the PLC control system detects the liquid level through a sensor probe by setting time, the starting quantity of the water pump and other parameters, so that the automatic starting and stopping of the water pump are realized, but the investment of the PLC control system is large, and the maintenance cost is higher.

Disclosure of Invention

In order to overcome the defects in the prior art, the application provides a liquid storage tank and a liquid level control device thereof.

In a first aspect, the present application provides a liquid level control device for a liquid storage tank, comprising: the device comprises a first guide piece, a first moving component, a second guide piece, a second moving component and a water pump, wherein the first guide piece is arranged in a liquid storage tank, the second guide piece is opposite to the first guide piece and arranged outside the liquid storage tank, the water pump is connected with the liquid storage tank, the first moving component is movably arranged in the first guide piece and is used for synchronously moving according to the liquid level in the liquid storage tank, the second moving component is movably arranged in the second guide piece and synchronously moves with the first moving component, a first signal sheet and a second signal sheet are arranged in the second guide piece along the moving direction of the second moving component, and the second moving component is contacted with the first signal sheet or the second signal sheet so as to respectively control the starting or closing of the water pump.

With reference to the first aspect, in one possible implementation manner, the first moving component includes: first connecting piece, first magnetic path, first gyro wheel and showy piece, first connecting piece cover is located in the first guide, showy piece with first connecting piece is connected, first gyro wheel with first connecting piece is close to one side of reservoir is connected, first magnetic path with first connecting piece is close to one side of first gyro wheel is connected, the second remove the subassembly and include: the second connecting piece, the second magnetic block and the second roller are sleeved in the second guide piece; the second roller is connected with one side of the second connecting piece, which is close to the liquid storage groove, the second magnetic block is connected with one side of the second connecting piece, which is close to the second roller, and the second magnetic block is mutually attracted with the first magnetic block.

With reference to the first aspect, in a possible implementation manner, the first guide member is provided with a first opening, and the first opening is located at an end of the first guide member, which is close to the bottom wall of the liquid storage tank.

With reference to the first aspect, in one possible implementation manner, a first sliding block is disposed on a side, away from the second magnetic block, of the second connecting piece, a first sliding rail is disposed in the second guiding piece, and the first sliding rail and the first sliding block are matched with each other.

With reference to the first aspect, in a possible implementation manner, the liquid level control device of the liquid storage tank further includes: the third connecting piece, the third connecting piece set up in the second guide, the one end of third connecting piece with first signal piece is connected, the other end with the second signal piece is connected.

With reference to the first aspect, in one possible implementation manner, the second connecting piece is provided with a push rod, the push rod is connected with one side, away from the second magnetic block, of the second connecting piece, the push rod is located on one side, close to the first signal piece, of the third connecting piece, and the push rods are two opposite.

With reference to the first aspect, in one possible implementation manner, the first signal piece is provided with a first bevel, the first bevel is located at one end of the first signal piece, which is close to the second connecting piece, the first bevel is located at a corresponding position with the push rod, the second signal piece is provided with a second bevel, which is opposite to the first bevel, and the push rod contacts with the first bevel or the second bevel to respectively control the starting or the closing of the water pump.

With reference to the first aspect, in one possible implementation manner, a first contact and a second contact are disposed in the second guide member, the first contact and the second contact are disposed opposite, an inserting piece is disposed on the third connecting member, the inserting piece is connected with one side, far away from the first signal piece, of the third connecting member, the inserting piece is located between the first contact and the second contact, a metal piece is disposed on the inserting piece, and the metal piece contacts with the first contact and the second contact to control starting of the water pump, and the metal piece is separated from the first contact and the second contact to control closing of the water pump.

With reference to the first aspect, in a possible implementation manner, the liquid level control device of the liquid storage tank further includes: the second sliding block is connected with one end of the third connecting piece, the second sliding rail is arranged in the second guiding piece, and the second sliding rail is matched with the second sliding block.

In a second aspect, the present application provides a liquid storage tank, including the liquid level control device of the liquid storage tank.

Compared with the prior art, the beneficial effect of this application:

the liquid level control device of reservoir that this application provided includes: the liquid level control device comprises a liquid storage tank, a first guide piece, a first moving assembly, a second guide piece, a second moving assembly and a water pump, wherein the first guide piece is arranged in the liquid storage tank, the second guide piece is opposite to the first guide piece and arranged outside the liquid storage tank, the water pump is connected with the liquid storage tank, the first moving assembly is movably arranged in the first guide piece, the first moving assembly is used for synchronously moving according to the liquid level in the liquid storage tank, the second moving assembly is movably arranged in the second guide piece and synchronously moves with the first moving assembly, a first signal sheet and a second signal sheet are arranged in the second guide piece along the moving direction of the second moving assembly, and the second moving assembly is in contact with the first signal sheet or the second signal sheet to respectively control the starting or closing of the water pump.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 shows a schematic construction of a liquid level control device of a liquid storage tank;

FIG. 2 shows a schematic partially disassembled view of a liquid level control device of a liquid reservoir;

FIG. 3 shows a schematic view of another angle of the liquid level control device of the liquid storage tank;

FIG. 4 shows a schematic diagram of the structure of a tank cover of a liquid level control device of a liquid storage tank;

fig. 5 shows an enlarged view of the stop of the level control device of the reservoir;

fig. 6 shows an enlarged view of a first opening of a liquid level control device of a liquid reservoir;

FIG. 7 shows a schematic structural view of a first moving assembly of a liquid level control device of a liquid storage tank;

FIG. 8 shows a schematic structural view of a second moving assembly of a liquid level control device of a liquid storage tank;

FIG. 9 shows a schematic structural view of a third moving assembly of a liquid level control device of a liquid storage tank;

FIG. 10 shows a schematic side view of a third movement assembly of a liquid level control device of a liquid reservoir;

FIG. 11 shows a cross-sectional view of the second guide of the liquid level control device of the liquid reservoir;

FIG. 12 shows a cross-sectional view of the second guide member when the water pump of the liquid level control device of the liquid reservoir is in an activated state;

fig. 13 shows a cross-sectional view of the second guide when the water pump of the level control device of the reservoir is in a closed state.

Description of main reference numerals:

100-supporting frames; 110-a reservoir; 111-a third opening; 112-a second opening; 113-a slot cover; 114-a limiting piece; 120-supporting blocks; 130-a third connecting tube; 200-a first connection tube; 300-water pump; 400-a second connection tube; 500-first guide; 510-a first opening; 600-a first moving component; 610-a first connector; 620-a first magnetic block; 630-first roller; 640-floats; 700-second guide; 710—a first slide rail; 720-a second slide rail; 730-first contacts; 740-second contacts; 800-a second mobile component; 810-a second connector; 820-a second magnetic block; 830-a second roller; 840-push rod; 850-a first slider; 900-a third movement assembly; 910-a third connector; 911-plug-in piece; 912-a second slider; 913-sheet metal; 920-first signal slice; 921-first bezel; 930-a second signal slice; 931-second bezel.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.

In this application, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

Example 1

Referring to fig. 1 to 3, an embodiment of the present application provides a liquid level control device of a liquid storage tank, including: the support frame 100, the first connection pipe 200, the water pump 300, the second connection pipe 400, the first guide 500, the first moving assembly 600, the second guide 700, the second moving assembly 800, and the third moving assembly 900. The support 100 is provided with a liquid storage tank 110. The water pump 300 is disposed on the support 100, and the water pump 300 is disposed on one side of the liquid storage tank 110. One end of the first connection pipe 200 is connected to the water pump 300, and the other end is connected to a water supply end. The second connection pipe 400 is located at an end of the water pump 300 away from the first connection pipe 200, the second connection pipe 400 is disposed between the water pump 300 and the liquid storage tank 110, and the second connection pipe 400 connects the water pump 300 and the liquid storage tank 110. The first guide 500 is disposed in the liquid storage tank 110, and the first guide 500 is connected to the liquid storage tank 110. The first moving assembly 600 is disposed in the first guide 500, and the first moving assembly 600 is movably connected with the first guide 500. The second guide 700 is disposed outside the liquid storage tank 110, and the second guide 700 is connected to the liquid storage tank 110. The second moving assembly 800 is disposed in the second guide 700, and the second moving assembly 800 is movably connected with the second guide 700. The third moving assembly 900 is disposed in the second guide 700, the third moving assembly 900 is movably connected with the second guide 700, and the third moving assembly 900 is movably connected with the second moving assembly 800.

Referring to fig. 3 to 5, in some embodiments, the liquid storage tank 110 is prismatic, and a third opening 111, a second opening 112, and a tank cover 113 are disposed on the liquid storage tank 110. The third opening 111 is located at an end of the reservoir 110 away from the support 100. The second connection pipe 400 is inserted into the third opening 111, and the second connection pipe 400 is matched with the third opening 111. The second opening 112 is disposed at an end of the liquid storage tank 110 near the supporting frame 100. The second opening 112 is inserted with a third connecting tube 130. The third connecting pipe 130 is matched with the second opening 112, and the third connecting pipe 130 is connected with the water end. The tank cover 113 is located at one end far away from the bottom wall of the liquid storage tank 110, the tank cover 113 covers the liquid storage tank 110, and the tank cover 113 is matched with the liquid storage tank 110.

In other embodiments, the reservoir 110 is cylindrical.

Referring to fig. 5, in some embodiments, the reservoir 110 is provided with a stopper 114. The limiting piece 114 connects the second connecting pipe 400 with the liquid storage tank 110, the limiting piece 114 is an annular limiting piece 114, the limiting pieces 114 are two opposite to each other, and the limiting pieces 114 and the second connecting pipe 400 are matched with each other, so that one end of the second connecting pipe 400, which is close to the liquid storage tank 110, is limited between the two limiting pieces 114.

In some embodiments, the slot cover 113 is provided with a pull handle. The pull handle is located on a side of the slot cover 113 remote from the reservoir 110.

Referring to fig. 4, in some embodiments, the support frame 100 is provided with a support block 120. The support block 120 is connected to the support frame 100, and the support block 120 is located at one end of the water pump 300, which is close to the first connection pipe 200. One end of the first connecting pipe 200, which is far away from the water pump 300, is sleeved in the supporting block 120.

In some embodiments, the first connection pipe 200 is a water inlet pipe of the water pump 300, and the first connection pipe 200 is cylindrical. The second connection pipe 400 is a water inlet pipe of the liquid storage tank 110, and the second connection pipe 400 is cylindrical. The third connecting pipe 130 is a drain pipe of the liquid storage tank 110, and the third connecting pipe 130 is cylindrical.

In some embodiments, the first guide 500 and the second guide 700 are located at corresponding positions, the first guide 500 is a guide cylinder, the first guide 500 is disposed along the height direction of the liquid storage tank 110, and the height of the first guide 500 is smaller than the height of the liquid storage tank 110.

Referring to fig. 6, in some embodiments, the first guide 500 is provided with a first opening 510. The first opening 510 is located at an end of the first guide 500 remote from the slot cover 113, and the first opening 510 is located at a side of the first guide 500 remote from the second guide 700.

Referring to fig. 7, in some embodiments, the first mobile component 600 includes: the first connecting piece 610, the first magnetic block 620, the first roller 630 and the floating piece 640. The first connecting piece 610 is sleeved in the first guiding piece 500, the first connecting piece 610 is matched with the first guiding piece 500, and the first connecting piece 610 is a connecting block. The float 640 is disposed on the first connector 610, and the float 640 is connected to an end of the first connector 610 near the slot cover 113. The first rollers 630 are disposed on the first connecting member 610, the first rollers 630 are connected to a side of the first connecting member 610 away from the first opening 510, the number of the first rollers 630 is four, and the four first rollers 630 are disposed two by two. The first magnetic block 620 is disposed on the first connecting member 610, the first magnetic block 620 is connected to a side of the first connecting member 610, which is close to the first roller 630, and the first magnetic block 620 is disposed between the four first rollers 630.

In some embodiments, the second guide 700 is a guide groove, the second guide 700 is prismatic, the second guide 700 is connected to a side of the liquid storage groove 110 near the water pump 300, and the second guide 700 is located at a side of the second connection pipe 400 near the support block 120.

In some embodiments, the second guide 700 is disposed along the height direction of the liquid storage tank 110, the height of the second guide 700 is smaller than the height of the liquid storage tank 110, and the height of the second guide 700 is equal to the height of the first guide 500.

Referring to fig. 8, in some embodiments, the second mobile assembly 800 includes: the second connecting piece 810, the second magnetic block 820 and the second roller 830. The second connecting block is disposed in the second guiding element 700, the second connecting element 810 is a connecting block, and the second connecting element 810 and the first connecting element 610 are located at corresponding positions. The second rollers 830 are disposed on the second connecting member 810, the second rollers 830 are connected to one side of the second connecting member 810 near the first guiding member 500, the number of the second rollers 830 is four, and the second rollers 830 and the first rollers 630 are located at corresponding positions. The second magnetic block 820 is disposed on the second connecting member 810, and the second magnetic block 820 is connected to a side of the second connecting member 810, which is close to the second roller 830.

In some embodiments, the second magnetic block 820 is in a corresponding position to the first magnetic block 620, and the second magnetic block 820 is attracted to the first magnetic block 620.

Referring to fig. 8, in some embodiments, the second connecting member 810 is provided with a push rod 840 and a first slider 850. The push rods 840 are connected to one side of the second connecting piece 810 away from the second magnetic block 820, two push rods 840 are oppositely arranged, and two push rods 840 are arranged along the height direction of the liquid storage tank 110. The first slider 850 is connected to an end of the second connecting member 810 away from the third moving assembly 900, and the first slider 850 is disposed along the height direction of the liquid storage tank 110.

Referring to fig. 9, in some embodiments, the third mobile assembly 900 includes: third connector 910, first signal piece 920 and second signal piece 930. The third connecting piece 910 is disposed in the second guiding piece 700, the third connecting piece 910 is a connecting rod, the third connecting piece 910 is disposed parallel to the second guiding piece 700, and the third connecting piece 910 is prismatic. The first signal piece 920 is connected to an end of the third connector 910 near the slot cover 113. The second signal piece 930 is connected to an end of the third connecting member 910 away from the slot cover 113, and the second signal piece 930 is disposed opposite to the first signal piece 920.

In other embodiments, the first signal piece 920 is connected to an end of the third connector 910 remote from the slot cover 113. The second signal piece 930 is connected to an end of the third connector 910 near the slot cover 113.

Referring to fig. 9, in some embodiments, the first signal piece 920 is provided with a first bezel 921, and the first bezel 921 is located at an end of the first signal piece 920 near the third connector 910. The second signal piece 930 is provided with a second bevel 931, and the second bevel 931 is disposed opposite to the first bevel 921.

In some embodiments, the first bezel 921 is in a corresponding position to the push rod 840.

Referring to fig. 9 and 10, in some embodiments, the third connector 910 is provided with a second slider 912 and a plug 911. The second sliders 912 are two opposite to each other, and the two second sliders 912 are respectively connected to one end of the third connecting member 910. The plugging piece 911 is connected to a side of the third connector 910 away from the first signal piece 920, and a metal piece 913 is disposed on the plugging piece 911. The metal piece 913 is sleeved in the plug piece 911. The plug 911 is made of insulating material.

Referring to fig. 11, in some embodiments, a first sliding rail 710 and a second sliding rail 720 are disposed in the second guiding element 700. The first sliding rail 710 is connected to the inner side wall of the second guide 700, the first sliding rail 710 is disposed along the height direction of the liquid storage tank 110, the first sliding rail 710 is connected to the first slider 850, and the first sliding rail 710 and the first slider 850 are matched with each other, so that the first slider 850 can move along the first sliding rail 710. The two second sliding rails 720 are oppositely disposed, the two second sliding rails 720 are respectively connected with a corresponding end of the second guide member 700, the second sliding rails 720 are connected with the second sliding block 912, and the second sliding rails 720 and the second sliding block 912 are mutually matched, so that the second sliding block 912 can move along the second sliding rail 720.

Referring to fig. 12 and 13, in some embodiments, a first contact 730 and a second contact 740 are further disposed in the second guide 700. The first contact 730 is disposed opposite to the second contact 740, and the first contact 730 is electrically connected to the water pump 300. The second contact 740 is electrically connected to the water pump 300.

Referring to fig. 12, in some embodiments, the plug 911 is positioned between the first contact 730 and the second contact 740. When the metal piece 913 is in a corresponding position with the first and second contacts 730, 740, that is, the metal piece 913 is in contact with the first and second contacts 730, 740, the current circuit of the water pump 300 is turned on, so that the water pump 300 is in an activated state.

In the process that the water pump 300 supplies the liquid into the liquid storage tank 110, the liquid level in the liquid storage tank 110 is in an ascending state, the floating member 640 is influenced by buoyancy and ascends synchronously with the liquid in the liquid storage tank 110, so that the first roller 630 moves along the first guide member 500 towards a direction close to the tank cover 113 until the push rod 840 abuts against the first inclined opening 921, so that the first signal sheet 920 is forced to push the third connecting member 910 to move along the second sliding rail 720 towards a direction away from the second connecting member 810, so as to drive the inserting sheet 911 to move towards a direction away from the first contact 730, so that the metal sheet 913 is separated from the first contact 730 and the second contact 740, and a current loop of the water pump 300 is disconnected, so that the water pump 300 can be closed to stop supplying the liquid into the liquid storage tank 110 when the liquid storage tank 110 is at a high liquid level.

During the process that the liquid level in the liquid storage tank 110 is in the descending process, the first roller 630 moves along the first guide member 500 in the direction away from the tank cover 113 until the push rod 840 abuts against the second bevel 931, so that the second signal piece 930 is forced to move along the second sliding rail 720 in the direction approaching the second connecting member 810, and the plug piece 911 is driven to move in the direction approaching the first contact 730, so that the metal piece 913 contacts with the first contact 730 and the second contact 740, and the current circuit of the water pump 300 is turned on, so that the water pump 300 can be started to supply liquid into the liquid storage tank 110 when the liquid storage tank 110 is in the low liquid level.

Through the cooperation of the first connecting member 610, the first magnetic block 620, the floating member 640, the second connecting member 810, the second magnetic block 820, the push rod 840, the metal sheet 913, the first contact 730, the second contact 740, the third connecting member 910, the first signal sheet 920 and the second signal sheet 930, the automatic control of the start and stop of the water pump 300 according to the liquid level height in the liquid storage tank 110 is realized, and compared with the control of the liquid level by adopting a PLC control system, the investment is small, and the cost of liquid level control is reduced. And the sensor probe needs to be cleaned regularly and overhauled for long time to be contacted with the controlled liquid, compared with the liquid level control device of the liquid storage tank, the maintenance cost is low.

Example two

Referring to fig. 1 to 13, an embodiment of the present application provides a liquid storage tank, including a liquid level control device of the liquid storage tank in the first embodiment.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.

Claims (10)

1. A liquid level control device for a liquid reservoir, comprising: the device comprises a first guide piece, a first moving assembly, a second guide piece, a second moving assembly and a water pump;

the first guide piece is arranged in the liquid storage tank, the second guide piece is arranged outside the liquid storage tank relative to the first guide piece, and the water pump is connected with the liquid storage tank;

the first moving component is movably arranged in the first guide piece and is used for synchronously moving according to the liquid level in the liquid storage tank, and the second moving component is movably arranged in the second guide piece and synchronously moves with the first moving component;

the second guide piece is internally provided with a first signal sheet and a second signal sheet along the moving direction of the second moving assembly, and the second moving assembly is contacted with the first signal sheet or the second signal sheet to respectively control the starting or the closing of the water pump.

2. A liquid level control device for a liquid reservoir according to claim 1, wherein the first moving assembly comprises: the first connecting piece, the first magnetic block, the first roller and the floating piece;

the first connecting piece is sleeved in the first guide piece; the floating piece is connected with the first connecting piece; the first roller is connected with one side, close to the liquid storage groove, of the first connecting piece; the first magnetic block is connected with one side, close to the first roller, of the first connecting piece;

the second moving assembly includes: the second connecting piece, the second magnetic block and the second roller;

the second connecting piece is sleeved in the second guide piece; the second roller is connected with one side, close to the liquid storage groove, of the second connecting piece; the second magnetic block is connected with one side, close to the second roller, of the second connecting piece, and the second magnetic block and the first magnetic block are attracted mutually.

3. A liquid level control apparatus for a liquid storage tank as claimed in claim 2, wherein the first guide member is provided with a first opening;

the first opening is positioned at one end of the first guide piece, which is close to the bottom wall of the liquid storage groove.

4. The liquid level control device of a liquid storage tank according to claim 2, wherein a first sliding block is arranged on one side of the second connecting piece away from the second magnetic block;

the second guide piece is internally provided with a first sliding rail, and the first sliding rail is matched with the first sliding block.

5. A liquid level control apparatus for a liquid reservoir according to claim 4, wherein the liquid level control apparatus for a liquid reservoir further comprises: a third connecting member;

the third connecting piece set up in the second guide, the one end of third connecting piece with first signal piece is connected, the other end with the second signal piece is connected.

6. The liquid level control apparatus of a liquid storage tank as claimed in claim 5, wherein a push rod is provided on the second connection member;

the push rod is connected with one side, far away from the second magnetic block, of the second connecting piece, the push rod is located on one side, close to the first signal sheet, of the third connecting piece, and the push rod is two oppositely arranged.

7. The liquid level control device of a liquid storage tank according to claim 6, wherein a first bevel opening is arranged on the first signal sheet, the first bevel opening is positioned at one end of the first signal sheet, which is close to the second connecting piece, and the first bevel opening and the push rod are positioned at corresponding positions;

the second signal sheet is provided with a second bevel connection, and the second bevel connection is opposite to the first bevel connection;

the push rod is contacted with the first inclined opening or the second inclined opening to respectively control the starting or closing of the water pump.

8. The liquid level control device of the liquid storage tank according to claim 7, wherein the second guide member is internally provided with a first contact and a second contact;

the first contact is arranged opposite to the second contact;

the third connecting piece is provided with an inserting piece;

the plug sheet is connected with one side, far away from the first signal sheet, of the third connecting piece, the plug sheet is positioned between the first contact and the second contact, and a metal sheet is arranged on the plug sheet;

the metal sheet is contacted with the first contact and the second contact to control the starting of the water pump, and the metal sheet is separated from the first contact and the second contact to control the closing of the water pump.

9. A liquid level control apparatus for a liquid reservoir according to claim 8, wherein the liquid level control apparatus for a liquid reservoir further comprises: the second sliding block and the second sliding rail;

the second sliding block is connected with one end of the third connecting piece;

the second sliding rail is arranged in the second guide piece, and the second sliding rail is matched with the second sliding block.

10. A reservoir comprising a liquid level control device of the reservoir of any one of claims 1-9.

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