CN109358661B - Critical-free automatic control switch for water supply of water tank - Google Patents
Critical-free automatic control switch for water supply of water tank Download PDFInfo
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- CN109358661B CN109358661B CN201811201653.0A CN201811201653A CN109358661B CN 109358661 B CN109358661 B CN 109358661B CN 201811201653 A CN201811201653 A CN 201811201653A CN 109358661 B CN109358661 B CN 109358661B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 187
- 239000004020 conductor Substances 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 230000005294 ferromagnetic effect Effects 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 238000007667 floating Methods 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract description 2
- 239000007924 injection Substances 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 230000000739 chaotic effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a water supply non-critical automatic control switch of a water tank, wherein a shifting block comprises a first notch part, a shifting fork is hinged on a rack, the first end of the shifting fork is positioned in the first notch part of the shifting block, the second end of the shifting fork is provided with a second notch part, a magnet is arranged above the second end of the shifting fork, a touch block is hinged on the rack, the first end of the touch block is positioned in the second notch part of the shifting fork, the top of the shifting block is connected with the head end of a connecting wire, the bottom of the shifting block is connected with the tail end of the connecting wire, a floater is connected in the middle of the connecting wire, and the floater floats on the water surface in the water tank; the water pump is connected between positive circuit pole, circuit negative pole, and the water pump delivery port accesss to the water tank, and the touch piece is the conductor and is connected with the circuit negative pole, and the shifting block motion drives the shift fork swing, and the shift fork dials the touch piece, and when the touch piece swung, the second end of touch piece can be with the positive contact of circuit, and the water pump then gets electric work, to water injection in the water tank. The invention has the advantages that: and the control is more accurate and reliable by crossing the critical point.
Description
Technical Field
The invention relates to the field of automatic control, in particular to a water supply non-critical automatic control switch for a water tank.
Background
In many areas of modern science and technology, automatic control technology plays an increasingly important role. Automatic control means that a certain working state or parameter of a machine, equipment or a production process automatically operates according to a predetermined rule by using an additional device or apparatus without direct participation of a person. The operator is released from the tedious labor to engage in other work, thereby greatly saving the human resources and improving the production efficiency. The automatic water feeding control switch of the water tank and the water tower is an important application of the automatic control technology in the fields of life and industrial production, however, in the prior art, the reliability of the automatic water feeding control switch of the water tank is poor, and the following defects exist: as shown in fig. 6, an automatic control switch for water supply to a water tank comprises a shifting block (1), a touch block (2), a connecting line (3), a floating object (4), a guide mechanism (5), the water tank (6), a circuit anode (7), a circuit cathode (8) and a frame (9); the touch block (2) comprises a first swing rod and a second swing rod which are arranged in a crossed mode, the first end of the first swing rod and the first end of the second swing rod are fixed together, the joint of the first swing rod and the second swing rod is hinged to the rack (9), the touch block (2) is a conductor and is connected with a circuit cathode (8), and when the touch block (2) swings, the second end of the second swing rod can be in contact with a circuit anode (7); the shifting block (1) comprises a notch part with a concave structure, the second end of the first swing rod is positioned in the notch part of the shifting block (1), the notch of the notch part of the shifting block (1) faces the horizontal direction, the top of the shifting block (1) is connected with the head end of the connecting line (3), the bottom of the shifting block (1) is connected with the tail end of the connecting line (3), and the floater (4) is connected in the middle of the connecting line (3); guide mechanism (5) set up two at least, wherein set up one at least in frame (9), and be located the top of shifting block (1), the bottom of water tank (6) inboard sets up one at least, and is located the below of floater (4), at least one guide mechanism (5) of distribution between shifting block (1) and floater (4), all guide mechanism (5) all are located the inboard of connecting wire (3) and contact with connecting wire (3), the orbit of connecting wire (3) is a enclosed construction, and is located the vertical plane. When the control switch works, when the water level reaches the lowest position, the touch block (2) connects the circuit anode (7) and the circuit cathode (8), the external water pump works to inject water into the water tank (6), the state shown in figure 7 is reached along with the rise of the water level, the shifting block (1) starts to shift the touch block (2), then the state shown in figure 8 is reached, at the moment, the touch block (2) disconnects the circuit anode (7) and the circuit cathode (8), the water pump stops working, but at the moment, the touch block (2) does not return to the preset disconnection position and only stays at the position away from the circuit anode (7), at the moment, if a part of water in the water tank (6) is discharged, the water level descends, the shifting block (1) ascends, as shown in figure 9, the touch block (2) connects the circuit anode (7) and the circuit cathode (8) again, the external water pump works to inject water into the water tank (6), along with the rising of water level, reach as the state shown in figure 7, such circulation is reciprocal, can appear once the condition that will start the water pump with water, the circuit is opened and shut unclear, and the control is chaotic, and the circuit can't be opened always or the normal close all the time, can't cross the critical point of opening, closing, and control logic is chaotic, and is great to the water pump harm.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the problem of control logic confusion caused by the fact that an automatic control switch for water feeding of a water tank cannot cross a control critical point in the prior art is solved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a water supply non-critical automatic control switch for a water tank comprises a shifting block, a touch block, a connecting wire, a floater, a guide mechanism, the water tank, a circuit anode, a circuit cathode, a rack, a shifting fork and a water pump;
the shifting block comprises a first notch part with a concave structure, the shifting fork is hinged to the rack, the first end of the shifting fork is located in the first notch part of the shifting block, the second end of the shifting fork is provided with a second notch part with a concave structure, a magnet is arranged above the second end of the shifting fork, when the second end of the shifting fork is close to the magnet, the magnet can suck the second end of the shifting fork, the touch block is hinged to the rack, the first end of the touch block is located in the second notch part of the shifting fork, the top of the shifting block is connected with the head end of the connecting line, the bottom of the shifting block is connected with the tail end of the connecting line, the floating object is connected in the middle of the connecting line, and the floating object floats on the water surface in the water tank;
the water pump is connected between the circuit anode and the circuit cathode, the water outlet of the water pump is communicated with the water tank, the contact block is a conductor and is connected with the circuit cathode, the shifting block moves to drive the shifting fork to swing, the shifting fork shifts the contact block, when the contact block swings, the second end of the contact block can be contacted with the circuit anode, the water pump is electrified to work, and water is filled into the water tank;
the guide mechanism sets up two at least, wherein sets up one at least in the frame, and is located the top of shifting block, and the bottom of water tank inboard sets up one at least, and is located the below of floater, distributes at least one guide mechanism between shifting block and the floater, and all guide mechanisms all are located the inboard of connecting wire and contact with the connecting wire, and the orbit of connecting wire is a enclosed construction, and is located the vertical plane.
Furthermore, the shifting block further comprises a hinged part which is hinged on the rack, and the hinged part and the notch part are respectively positioned at two ends of the shifting block.
Furthermore, a magnet is arranged above the second end of the touch block.
Furthermore, a magnet is arranged below the second end of the touch block.
Further, the float is made of a foam board.
Furthermore, the guide mechanism is a roller, a groove is formed in the circumferential surface of the roller, and the connecting line is located in the groove.
Further, still include the horizontal pole, the horizontal pole is located the inboard bottom of water tank, and the guiding mechanism of water tank inboard sets up on the horizontal pole, and the bottom of horizontal pole contains ferromagnetic substance, and the bottom in the water tank outside is provided with water tank magnet, and water tank magnet adsorbs the bottom of water tank inboard with the horizontal pole.
Further, the ferromagnetic substance is iron.
Furthermore, a magnet is arranged below the second end of the shifting fork.
The invention has the beneficial effects that:
1. the buoyancy of ingenious utilization water carries out automatic control, and its structure, principle are comparatively simple, and it is reliable to go up water control, can cross the critical point of control in-process, make control logic clear more, stable, specifically embody: when the water level in the water tank is lowered to the limit position, the floater is lowered along with the water level, so that the shifting block is pulled up through the connecting line, the shifting fork is shifted by the shifting block, the shifting fork swings, the shifting fork is shifted by the shifting block again, the touch block swings, further, the circuit anode and the circuit cathode are communicated, the water pump is electrified to work, water is injected into the water tank, the floater floats along with the water level along with the rise of the water level in the water tank, the connecting line drives the shifting block to descend until the shifting fork is shifted again by the shifting block, the shifting fork swings, the water level continues to rise, the shifting block continues to shift the shifting fork, the shifting fork continues to swing towards the magnet arranged above the second end of the shifting fork, the second end of the shifting fork is sucked by the magnet when the second end of the shifting fork crosses the critical point, the touch block crosses the critical point under the action of the shifting fork, the touch block is completely disconnected from the circuit anode, the water pump is electrified to stop working at the water tank at the moment, water inlet is stopped, when the water level of the water tank is reduced, the shifting block moves upwards, the shifting fork is always positioned at the upper limit position under the action of the magnet arranged above the second end of the shifting fork, so that the touch block is positioned at the lower limit position, namely the position at which the circuit is reliably disconnected, and the situation that once the water level is reduced and the touch block is not beyond the critical point, the positive pole and the negative pole of the circuit are immediately connected and the water pump immediately injects water into the water tank is avoided, so that the control logic is clearer, the control is more reliable, when the water level in the water tank is reduced to a certain position, the shifting block moves upwards, the shifting fork is shifted, the shifting fork swings, the shifting fork shifts the touch block and the touch block swings, the positive pole and the negative pole of the circuit are reconnected, the action is repeated, the reliable control of the automatic water supply control switch of the water tank can be realized, and the adverse effect caused by the fact that the touch block cannot exceed the critical point is eliminated, the invention just overcomes the technical problem that the touch block is in a critical state, so that the touch block is in a state of normally connecting the circuit or completely disconnecting the circuit, thereby ensuring that the automatic water feeding control state is more stable and reliable;
2. the shifting block is hinged on the rack, so that the shifting block can only swing, and the motion of the shifting block is more stable and reliable;
3. a magnet is arranged above the second end of the touch block, so that the touch block can be ensured to more reliably and firmly connect the positive pole and the negative pole of the circuit;
4. a magnet is arranged below the second end of the touch block, so that the touch block can be ensured to more reliably and effectively disconnect the positive pole and the negative pole of the circuit;
5. the floater is made of foam plates, so that the manufacturing cost is low and the work is reliable;
6. the guide mechanism is a roller, the circumferential surface of the roller is provided with a groove, and the connecting wire is positioned in the groove, so that accurate and reliable guide can be provided for the movement of the connecting wire, and meanwhile, the sliding is changed into rolling, the abrasion of the connecting wire is reduced, and the whole device works more reliably;
7. the water tank magnet adsorbs the cross rod at the bottom of the inner side of the water tank, so that the guide mechanism can be installed at a preset position without damaging the water tank, and is convenient to disassemble and maintain;
8. the ferromagnetic substance is iron, the material is common, and the adsorbability with the magnet is good;
9. the second end below of shift fork is provided with magnet, further ensures more that the touch block switches on more reliably, firmly with circuit positive pole, circuit negative pole.
Drawings
FIG. 1 is a schematic diagram of a non-critical automatic control switch for water supply to a water tank according to an embodiment of the present invention;
FIGS. 2-5 are schematic diagrams illustrating the operation of the non-critical automatic control switch for water supply to the water tank according to the embodiment of the present invention;
FIGS. 6-9 are schematic diagrams of prior art automatic control switches for filling water into a cistern;
wherein, the shifting block-1, the touch block-2, the connecting line-3, the floater-4, the guiding mechanism-5, the water tank-6, the circuit anode-7, the circuit cathode-8, the frame-9, the shifting fork-10, the cross bar-51 and the water tank magnet-61.
Detailed Description
The present invention is described in detail below with reference to the attached drawings.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, a non-critical automatic control switch for water supply to a water tank includes a shifting block 1, a touch block 2, a connecting line 3, a floating object 4, a guiding mechanism 5, a water tank 6, a circuit anode 7, a circuit cathode 8, a frame 9, a shifting fork 10, and a water pump (not shown).
The shifting block 1 comprises a first notch part of a concave structure, the shifting fork 10 is hinged to the rack 9, the first end of the shifting fork 10 is located in the first notch part of the shifting block 1, the second end of the shifting fork 10 is provided with a second notch part of the concave structure, the upper portion of the second end of the shifting fork 10 is provided with a magnet, when the second end of the shifting fork 10 is close to the magnet, the magnet can suck the second end of the shifting fork 10, the touch block 2 is hinged to the rack 9, the first end of the touch block 2 is located in the second notch part of the shifting fork 10, the top of the shifting block 1 is connected with the head end of the connecting wire 3, the bottom of the shifting block 1 is connected with the tail end of the connecting wire 3, the floater 4 is connected to the middle of the connecting wire 3, and the floater 4 floats on the water surface in the water tank 6.
The water pump is connected between anodal 7 of circuit, circuit negative pole 8, and the water pump delivery port accesss to water tank 6, touches movable block 2 and be the conductor and be connected with circuit negative pole 8, and the motion of movable block 1 drives the swing of shift fork 10, and shift fork 10 dials movable block 2, and when touching movable block 2 swing, the second end that touches movable block 2 can contact with anodal 7 of circuit, and the water pump then gets electric work, to water injection in the water tank 6.
The guide mechanism 5 sets up two at least, wherein set up one at least on the frame 9, and be located the top of shifting block 1, and the bottom of 6 inboards of water tank sets up one at least, and is located the below of floater 4, distributes at least one guide mechanism 5 between shifting block 1 and the floater 4, and all guide mechanisms 5 all are located the inboard of connecting wire 3 and contact with connecting wire 3, and the orbit of connecting wire 3 is a enclosed construction, and is located the vertical plane.
The buoyancy of ingenious utilization water carries out automatic control, and its structure, principle are comparatively simple, and it is reliable to go up water control, can cross the critical point of control in-process, make control logic clear more, stable, specifically embody: as shown in fig. 1, when the water level in the water tank 6 is lowered to the limit position, the floater 4 is lowered along with the water level, so that the shifting block 1 is pulled up by the connecting line 3, the shifting block 1 shifts the shifting fork 10, the shifting fork 10 swings, the shifting fork 10 shifts the shifting block 2 again, the touching block 2 swings, and further the circuit anode 7 and the circuit cathode 8 are communicated, the water pump is powered on to work, water is filled into the water tank 6, as shown in fig. 2, the floater 4 floats along with the water level along with the rise of the water level in the water tank 6, the connecting line 3 drives the shifting block 1 to descend until the shifting block 1 shifts the shifting fork 10 again, the shifting fork 10 swings, while the shifting block 1 continues to shift the shifting fork 10, the shifting fork 10 continues to swing towards the magnet arranged above the second end of the shifting fork 10, as shown in fig. 4-5, when the second end of the shifting fork 10 crosses the critical point, the shifting fork is sucked up by the magnet, at this time, the shifting fork 10 shifts the moving block 2, the touch block 2 crosses a critical point under the action of the shifting fork 10, the touch block 2 is completely disconnected with the circuit anode 7, the water pump loses power and stops working, water enters the water tank 6, when water in the water tank 6 is used, the water level of the water drops, the shifting block 1 moves upwards, the shifting fork 10 is always at the upper limit position under the action of the magnet arranged above the second end of the shifting fork 10, the touch block 2 is further at the lower limit position, namely the position where the circuit is reliably disconnected, the situation that the water pump immediately injects water into the water tank 6 once the touch block 2 drops the water level and the circuit anode 7 and the circuit cathode 8 are immediately connected as long as the touch block 2 does not cross the critical point is avoided, the control logic is clearer, the control is more reliable, when the water level in the water tank 6 drops to a certain position, the shifting block 1 moves upwards to stir the shifting fork 10 and swing the shifting fork 10, the shifting fork 10 shifts the touch block 2, the touch block 2 swings, and the circuit anode 7 and the circuit cathode 8 are communicated again, and the actions are repeated, so that the reliable control of the automatic control switch for water feeding of the water tank can be realized, and the adverse effect caused by the fact that the touch block 2 cannot cross a critical point is eliminated.
Furthermore, the shifting block 1 further comprises a hinged portion, the hinged portion is hinged to the frame 9, the hinged portion and the notch portion are respectively located at two ends of the shifting block 1, the shifting block 1 is hinged to the frame 9, the shifting block 1 can only swing, and therefore the movement of the shifting block is more stable and reliable.
Furthermore, a magnet is arranged above the second end of the touch block 2, and a magnet is arranged above the second end of the touch block 2, so that the touch block 2 can be ensured to connect the circuit anode 7 and the circuit cathode 8 more reliably and firmly.
Furthermore, a magnet is arranged below the second end of the touch block 2, and a magnet is arranged below the second end of the touch block 2, so that the touch block 2 can be more reliably and effectively disconnected from the circuit anode 7 and the circuit cathode 8.
Furthermore, the floater 4 is made of foam boards, and the floater 4 is made of foam boards, so that the manufacturing cost is low and the work is reliable.
Furthermore, the guide mechanism 5 is a roller, a groove is formed in the circumferential surface of the roller, the connecting wire 3 is located in the groove, the guide mechanism 5 is a roller, the groove is formed in the circumferential surface of the roller, the connecting wire 3 is located in the groove, accurate and reliable guide can be provided for movement of the connecting wire 3, the connecting wire 3 slides to roll in the same time, abrasion of the connecting wire 3 is reduced, and the whole device works more reliably.
Further, still include horizontal pole 51, horizontal pole 51 is located the inboard bottom of water tank 6, and the guiding mechanism 5 of the inboard of water tank 6 sets up on horizontal pole 51, and the bottom of horizontal pole 51 contains ferromagnetic substance, and the bottom in the outside of water tank 6 is provided with water tank magnet 61, and water tank magnet 61 adsorbs horizontal pole 51 in the inboard bottom of water tank 6.
Set up horizontal pole 51, horizontal pole 51 is located the inboard bottom of water tank 6, and the guiding mechanism 5 of the inboard of water tank 6 sets up on horizontal pole 51, and the bottom of horizontal pole 51 contains ferromagnetic substance, and the bottom in the 6 outsides of water tank is provided with water tank magnet 61, and water tank magnet 61 adsorbs horizontal pole 51 in the inboard bottom of water tank 6, can guarantee to install guiding mechanism 5 in preset position under the condition of not destroying water tank 6, and convenient to detach maintains.
Furthermore, the ferromagnetic substance is iron, and the material is common, and has better adsorbability with the magnet.
Further, the second end below of shift fork 10 is provided with magnet, and it is more reliable, firm to further ensure that touch block 2 switches on circuit positive pole 7, circuit negative pole 8 more.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a water tank does not have critical automatic control switch of water feeding which characterized in that: the device comprises a shifting block (1), a touch block (2), a connecting line (3), a floater (4), a guide mechanism (5), a water tank (6), a circuit anode (7), a circuit cathode (8), a rack (9), a shifting fork (10) and a water pump;
the shifting block (1) comprises a first notch part with a concave structure, the shifting fork (10) is hinged on the rack (9), the first end of the shifting fork (10) is positioned in the first notch part of the shifting block (1), the second end of the shifting fork (10) is provided with a second notch part with a concave structure, a magnet is arranged above the second end of the shifting fork (10), when the second end of the shifting fork (10) is close to the magnet, the magnet can suck up the second end of the shifting fork (10), the touch block (2) is hinged to the rack (9), the first end of the touch block (2) is located in the second notch of the shifting fork (10), the top of the shifting block (1) is connected with the head end of the connecting line (3), the bottom of the shifting block (1) is connected with the tail end of the connecting line (3), the floater (4) is connected to the middle of the connecting line (3), and the floater (4) floats on the water surface in the water tank (6);
the water pump is connected between the circuit anode (7) and the circuit cathode (8), the water outlet of the water pump is communicated with the water tank (6), the touch block (2) is a conductor and is connected with the circuit cathode (8), the shifting block (1) moves to drive the shifting fork (10) to swing, the shifting fork (10) shifts the touch block (2), when the touch block (2) swings, the second end of the touch block (2) can be in contact with the circuit anode (7), the water pump is electrified to work, and water is injected into the water tank (6);
guide mechanism (5) set up two at least, wherein set up one at least in frame (9), and be located the top of shifting block (1), the bottom of water tank (6) inboard sets up one at least, and is located the below of floater (4), at least one guide mechanism (5) of distribution between shifting block (1) and floater (4), all guide mechanism (5) all are located the inboard of connecting wire (3) and contact with connecting wire (3), the orbit of connecting wire (3) is a enclosed construction, and is located the vertical plane.
2. The non-critical automatic control switch for water supply to the water tank of claim 1, wherein: the shifting block (1) further comprises a hinged part which is hinged on the rack (9), and the hinged part and the first notch part are respectively positioned at two ends of the shifting block (1).
3. The non-critical automatic control switch for water supply to the water tank of claim 1, wherein: and a magnet is arranged above the second end of the touch block (2).
4. The non-critical automatic control switch for water supply to the water tank of claim 1, wherein: and a magnet is arranged below the second end of the touch block (2).
5. The non-critical automatic control switch for water supply to the water tank of claim 1, wherein: the floating object (4) is made of a foam board.
6. The non-critical automatic control switch for water supply to the water tank of claim 1, wherein: the guide mechanism (5) is a roller, a groove is formed in the circumferential surface of the roller, and the connecting wire (3) is located in the groove.
7. The non-critical automatic control switch for water supply to the water tank of claim 1, wherein: still include horizontal pole (51), horizontal pole (51) are located the inboard bottom of water tank (6), and guiding mechanism (5) of water tank (6) inboard set up on horizontal pole (51), and the bottom of horizontal pole (51) contains ferromagnetic substance, and the bottom in the water tank (6) outside is provided with water tank magnet (61), and water tank magnet (61) adsorb horizontal pole (51) in the inboard bottom of water tank (6).
8. The automatic control switch for water supply to water tank of claim 7, wherein: the ferromagnetic substance is iron.
9. The non-critical automatic control switch for water supply to the water tank of claim 1, wherein: and a magnet is arranged below the second end of the shifting fork (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201653.0A CN109358661B (en) | 2018-10-16 | 2018-10-16 | Critical-free automatic control switch for water supply of water tank |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811201653.0A CN109358661B (en) | 2018-10-16 | 2018-10-16 | Critical-free automatic control switch for water supply of water tank |
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| CN109358661A CN109358661A (en) | 2019-02-19 |
| CN109358661B true CN109358661B (en) | 2021-11-30 |
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| CN2650192Y (en) * | 2003-09-08 | 2004-10-20 | 周先洪 | Water level automatic control device |
| JP2005083111A (en) * | 2003-09-10 | 2005-03-31 | Kubota Corp | Flushing gate |
| CN201962736U (en) * | 2011-03-07 | 2011-09-07 | 郑俊胜 | Automatic water supply start-stop device for submersible pump |
| CN102854898A (en) * | 2012-05-30 | 2013-01-02 | 王龙 | Novel floater type liquid level automatic control device |
| CN203084567U (en) * | 2013-01-28 | 2013-07-24 | 谌辉 | Four-force-jointly-controlled bistable sinking ball liquid level controller |
| CN103336537A (en) * | 2013-06-06 | 2013-10-02 | 徐晨光 | Trigger mechanism of water level switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016130119A1 (en) * | 2015-02-11 | 2016-08-18 | Lone Star Leak Detection, Llc | Liquid level monitoring for reservoirs |
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2018
- 2018-10-16 CN CN201811201653.0A patent/CN109358661B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2650192Y (en) * | 2003-09-08 | 2004-10-20 | 周先洪 | Water level automatic control device |
| JP2005083111A (en) * | 2003-09-10 | 2005-03-31 | Kubota Corp | Flushing gate |
| CN201962736U (en) * | 2011-03-07 | 2011-09-07 | 郑俊胜 | Automatic water supply start-stop device for submersible pump |
| CN102854898A (en) * | 2012-05-30 | 2013-01-02 | 王龙 | Novel floater type liquid level automatic control device |
| CN203084567U (en) * | 2013-01-28 | 2013-07-24 | 谌辉 | Four-force-jointly-controlled bistable sinking ball liquid level controller |
| CN103336537A (en) * | 2013-06-06 | 2013-10-02 | 徐晨光 | Trigger mechanism of water level switch |
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| CN109358661A (en) | 2019-02-19 |
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