CN115390592A - Mechanical passive long-distance double-liquid-level automatic control method - Google Patents
Mechanical passive long-distance double-liquid-level automatic control method Download PDFInfo
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- CN115390592A CN115390592A CN202211100358.2A CN202211100358A CN115390592A CN 115390592 A CN115390592 A CN 115390592A CN 202211100358 A CN202211100358 A CN 202211100358A CN 115390592 A CN115390592 A CN 115390592A
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- lifting frame
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- floating ball
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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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Abstract
A mechanical passive long-distance double-liquid-level automatic control method is characterized in that supporting plates are arranged on two sides of a lifting frame, and the rear ends of the two supporting plates are bent inwards to form guide plates; a positioning groove is formed in the lifting frame, the guide plate is clamped in the positioning groove, an automatic moving device is connected below the lifting frame, and the lifting frame is driven by the automatic moving device to move along the guide plate; and the control switch of the equipment is turned on or off during the moving process of the lifting frame. The invention does not need the participation of working personnel, can timely and effectively automatically control the control switch of the switch control box, and saves the labor force and the labor cost. And long-distance double-liquid-level control can be realized by changing the distance between the two stop stops on the floating rod.
Description
Technical Field
The invention relates to a method for automatically controlling a control switch, in particular to a special automatic control method for realizing the on-off of a double-liquid-level control switch by utilizing the high and low changes of liquid level.
Background
A plurality of floating balls lift along with the change of liquid level to switch equipment, for example, a patent with publication number CN 1483975A discloses a double-position control float ball valve, which comprises a floating ball and a valve body, wherein the left side of the floating ball is connected with the right end of a floating ball arm, the left end of the floating ball arm is provided with a shifting fork, the floating ball arm is rotatably connected on a connecting rod, a movable valve core is fixed with a mandrel, the right end of the mandrel is provided with a bend, the bend is inserted into the shifting fork, the valve body is internally provided with a movable valve core and a fixed valve core, and the movable valve core and the fixed valve core are provided with matched water holes. The shifting forks with certain intervals are used for driving the mandrel to bend and rotating the mandrel to open and close the valve, so that the problem of double-position control is solved. There are still disadvantages: firstly, because the upper and lower liquid level difference in the control range is the same as the interval of the shifting fork, the stroke of bending in the shifting fork is limited, and the device can only be suitable for liquid supplementing double-position control with smaller liquid level difference.
The prior floating ball double-liquid-level control device works under the working condition of smaller liquid level difference and is a short-stroke double-liquid-level control device. In some lagoons, however, the water level in the lagoon changes very frequently. If the water is drained every time when the liquid level difference is small, the water pump is automatically and frequently started to pump water, and the service life of the water pump is easily influenced greatly. Therefore, the height difference between the liquid level when the water pump is started and the liquid level when the water pumping is completed needs to be increased, namely, the water pump is required to work under the working condition of large liquid level difference, so that the automatic starting times of the water pump are reduced, and the service life of the water pump is prolonged.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects of the short-stroke floating ball double-liquid-level control device in the prior art, the double-liquid-level control device with long stroke and large liquid level difference is provided.
In order to solve the problems, the technical scheme provided by the invention is as follows: a mechanical passive long-distance double-liquid-level automatic control method is characterized in that supporting plates are arranged on two sides of a lifting frame, and the rear ends of the two supporting plates are bent inwards to form guide plates; a positioning groove is formed in the lifting frame, the guide plate is clamped in the positioning groove, an automatic moving device is connected below the lifting frame, and the lifting frame is driven by the automatic moving device to move along the guide plate; and the control switch of the equipment is turned on or off during the moving process of the lifting frame.
Preferably, a switch control box is arranged at the top ends of the supporting plates at the two sides of the lifting frame, a control switch is arranged on the switch control box, and the switch control box and the control switch are used for limiting the highest position of the lifting frame moving upwards; and a bottom plate is arranged at the lower end of the supporting plate and used for limiting the bottommost position of the lifting frame moving downwards.
Preferably, a switch control box is arranged above the lifting frame, a control switch is arranged at the lower end of the switch control box, and the floating ball can move upwards along the floating rod under the action of buoyancy when the liquid level rises; and after the floating ball is propped against the stop block at the upper end of the floating rod, the floating ball can gradually rise along with the water level, so that the floating ball sequentially pushes the floating rod and the lifting frame to move upwards, and when the lifting frame reaches the highest position, the lifting frame can press the control switch.
Preferably, another control switch is arranged below the lifting frame, when the liquid level falls back to drive the floating ball to move downwards along the floating rod, and the floating ball is propped against the stop at the lower end of the floating rod, the floating ball can sequentially push the floating rod and the lifting frame to move downwards along with the falling back of the water level, and when the lifting frame reaches the lowest position, the lifting frame can press down the other control switch.
Preferably, the outer side of the supporting plate is provided with a supporting holding lug, the outer side of the lifting frame is provided with a lifting holding lug, and two ends of the spring are respectively hooked on the supporting holding lug and the lifting holding lug; after the lifting frame reaches the highest position, the gravity of the lifting frame is balanced by the elastic force of the spring, so that when the floating ball moves between the stops at the two ends of the floating rod, the lifting frame is still at the highest position, and the original working state of the control switch can be maintained.
Preferably, the automatic moving device comprises a floating ball, a floating rod, a first stop and a second stop, the floating ball is firstly sleeved on the floating rod, the stops are arranged at two ends of the floating rod, and the top of the floating rod is connected with a guide device, so that when the floating ball is abutted against any one stop on the floating rod, a switch can be opened.
Preferably, a through sliding hole is formed in the floating ball, and the floating rod penetrates through the sliding hole to be sleeved on the floating rod; the inner cavity of the floating ball is separated from the sliding hole, so that the inner cavity of the floating ball is a closed annular cavity, and liquid at the sliding hole cannot enter the inner cavity of the floating ball.
Preferably, the floating ball is placed in the liquid, and the floating ball moves upwards or downwards along the floating rod along with the rise and fall of the liquid level under the action of the buoyancy of the liquid until the floating ball is abutted against the stop at the upper end of the floating rod or the stop at the lower end of the floating rod.
The beneficial technical effects of the invention are as follows: the control switch of the switch control box is automatically controlled completely by the fluctuation of the liquid level, the participation of workers is not needed, the control switch of the switch control box can be automatically controlled timely and effectively, and the labor force and the labor cost are saved. And long-distance double-liquid-level control can be realized by changing the distance between the two stop stops on the floating rod.
Drawings
FIG. 1 is a schematic overall structure diagram according to a first embodiment;
FIG. 2 is a schematic structural diagram of a first embodiment of the invention with the automatic moving device removed;
FIG. 3 is a schematic structural view of a support plate;
FIG. 4 is a schematic structural view of the lifting frame and the floating rod;
FIG. 5 is an enlarged schematic view of the lifting frame;
FIG. 6 is a schematic view of the overall structure of the second embodiment;
in the figure: the lifting device comprises a bottom plate 01, a supporting plate 1, a supporting holding lug 11, a cross rod 12, a strip-shaped hole 14, a mounting plate 15, a guide plate 16, a lifting frame 2, a bottom frame plate 21, a top frame plate 22, a back plate 23, a positioning groove 24, a transverse plate 25, a lifting holding lug 26, a hook 27, a side frame plate 28, a floating ball 3, a floating rod 4, a first stopping block 41, a second stopping block 42, a hanging ring 43, a spring 5, a switch control box 6 and a control switch 61.
Detailed Description
The invention is further described with reference to the following examples and figures:
example one
The whole device of this embodiment is all placed in water or other liquid, and floater 3 receives the effect of buoyancy in liquid, can go up and down along with the fluctuation of liquid level. In this embodiment, a waterproof switch control box 6 is provided, a waterproof control switch 61 is provided on the switch control box 6, the control switch 61 is a button type control switch 61, and the control switch 61 is connected with the water pump through a wire. It is necessary to depress the button of the control switch 61 at a high level to activate the pump to pump water or liquid to the environment, thereby causing the liquid level to drop. When the liquid level drops to a certain height, the lifting frame 2 moves downwards to leave the control switch 61, and the button is bounced. When the button is pressed, the control switch 61 is turned on, and when the button is sprung, the control switch 61 is turned off.
Based on the above working conditions, the specific structure of this embodiment is as shown in fig. 1 and fig. 2, the switch control box 6 is fixedly connected to the top of the supporting plate 1, and the control switch 61 is disposed at the lower end of the switch control box 6. When the lifting frame 2 reaches the highest position, the lifting frame 2 can press the control switch 61, and the water pump is started to pump water. When the lifting frame 2 moves downwards and leaves the control switch 61, the control switch 61 is closed, so that the water pump is closed, and water pumping is stopped.
As shown in fig. 1, 3 and 4, two support plates 1 are arranged in parallel on a bottom plate 01, and the lower end of each support plate 1 is bent outward to form a mounting plate 15, and the mounting plate 15 is fixed on the bottom plate 01. The rear end of each support plate 1 is bent inward to form a guide plate 16, and the longitudinal direction of the guide plate 16 is vertical. A cross rod 12 penetrates through the two support plates 1, so that the two support plates 1 are fixedly connected with the cross rod 12. The upper end of each supporting plate 1 is provided with a supporting holding lug 11 bent outwards, two ends of each spring 5 are provided with hooks, the hooks at the upper end of each spring 5 are hooked on the supporting holding lugs 11 of the supporting plates 1, and the hooks at the lower end of each spring 5 are hooked on the lifting frame 2.
As shown in fig. 1, 4 and 5, a top frame plate 22 is provided at the upper end of the lifting frame 2, a bottom frame plate 21 is provided at the lower end of the lifting frame 2, a back plate 23 is provided at the rear end of the lifting frame 2, the top frame plate 22 is seamlessly connected to the upper end of the back plate 23, and the bottom frame plate 21 is seamlessly connected to the lower end of the back plate 23. Both sides of the front end of the lifting frame 2 are provided with side frame plates 28, the upper ends of the side frame plates 28 are connected with the top frame plate 22, and the lower ends of the side frame plates 28 are connected with the bottom frame plate 21. Both sides of the top frame plate 22 and the bottom frame plate 21 are provided with positioning grooves 24 which are concave inwards, and the guide plate 16 at the rear end of the support plate 1 is clamped in the positioning grooves 24 of the top frame plate 22 and the bottom frame plate 21, so that the lifting frame 2 can move along the guide plate 16. The switch control box 6 and the control switch 61 are used for limiting the highest position of the lifting frame 2 moving upwards, and the bottom plate 01 is used for limiting the lowest position of the lifting frame 2 moving downwards.
The automatic moving device comprises a floating ball 3, a floating rod 4, a first stopping piece 41 and a second stopping piece 42, wherein the first stopping piece 41 is arranged at the upper end of the floating rod 4, the second stopping piece 42 is arranged at the lower end of the floating rod 4, and the first stopping piece 41 and the second stopping piece 42 are fixedly connected with the floating rod 4 and cannot move relative to the floating rod 4. The float ball 3 is sleeved on the float rod 4, and the float ball 3 is positioned between the first stop 41 and the second stop 42. The bottom plate 01 is provided with a through bottom hole, the upper end of the floating rod 4 penetrates through the bottom hole, the upper end of the floating rod 4 is provided with a hanging ring 43, and the hanging ring 43 is clamped in a hook 27 at the lower end of the lifting frame 2, so that the floating rod 4 can drive the lifting frame 2 to move. The floater 3 includes lateral wall and inside wall, and the inside wall encloses into hollow pipe form, hollow part is the hole of sliding. The outer side wall is arranged on the outer side of the inner side wall, the outer side wall is in seamless connection with the inner side wall, and the outer side wall and the inner side wall form a closed annular cavity in a surrounding mode.
As shown in fig. 1 to 5, the specific principle of the present embodiment is as follows: the whole device is fixedly arranged in a pool or a vacuum well, and when the water level rises, the floating ball 3 moves upwards along the floating rod 4 under the buoyancy action of water. As the water level rises gradually, the float 3 abuts against the first stopper 41 on the float rod 4. The floating ball 3 can drive the floating rod 4 to move upwards through the first stop 41, and the floating rod 4 drives the lifting frame 2 to move upwards along the guide plate 16 through the hook 27. When the water continuously rises, the lifting frame 2 is abutted against the control switch 61 at the lower end of the switch control box 6, and the control switch 61 is turned on to start the water pump to pump water.
After the water is pumped, the water level in the tank or vacuum is constantly lowered. As the water level falls, the float 3 moves down the float rod 4 and during this period when the float 3 is not yet in abutment with the second stop 42. Due to the pulling force of the spring 5, the lifting frame 2 is always at the highest position of the guide plate 16, and the guide plate 16 always presses the control switch 61, so that the control switch 61 is always in an open state.
As the water level continues to drop, the float 3 abuts the second stop 42. Under the action of the gravity of the floating ball 3, the floating ball 3 drives the floating rod 4 and the lifting frame 2 to move downwards in sequence, and the spring 5 is stretched. The lifting frame 2 can be separated from the button on the control switch 61, and the control switch 61 is closed, so that the water pump is closed, and the water pumping is stopped.
Example two
As shown in fig. 6, the difference between the present embodiment and the first embodiment is that two waterproof switch control boxes 6 are provided in the present embodiment, a waterproof control switch 61 is provided on the switch control box 6, the control switches 61 are both button type control switches 61, and both the control switches 61 are connected to the water pump through a wire. The upper button is pressed at a high liquid level, and the water pump is started to pump water or liquid to the outside, so that the liquid level is lowered. When the liquid level drops to a certain height, the button at the lower end needs to be pressed to turn off the water pump. The two control switches 61 control the water pump in a manner similar to a double control switch of a household electric lamp, and any one control switch 61 can independently control the water pump.
Based on the above working conditions, the specific structure of the present embodiment is shown in fig. 6, the present embodiment does not need to provide the spring 5, the first switch control box 6 is still fixedly connected to the top of the supporting plate 1, and the control switch 61 is arranged at the lower end of the switch control box 6. The second switch control box 6 is fixed below the bottom plate 01, a mounting hole is formed on the bottom plate 01, and the control switch 61 of the second switch control box 6 passes through the mounting hole on the bottom plate 01 and extends to the upper side of the bottom plate 01. That is, the first control switch 61 is disposed above the second control switch 61.
Since the structure in the switch control box 6 of this embodiment is different from the structure in the switch control box 6 of the first embodiment, after the lifting frame 2 is separated from the first control switch 61, the first control switch 61 is still in an open state, and the water pump is still pumping water. The water pump is not turned off until the second control switch 61 is pressed by the lifting frame 2. That is, the two switch control boxes 6 of the present embodiment are similar to the double-control switch of the electric lamp, and the water pump is electrically controlled in a mutually independent manner.
Obviously, several modifications and variations are possible without departing from the principles of the invention as described.
Claims (8)
1. A mechanical passive long-distance double-liquid-level automatic control method is characterized in that supporting plates are arranged on two sides of a lifting frame, and the rear ends of the two supporting plates are bent inwards to form guide plates; a positioning groove is formed in the lifting frame, the guide plate is clamped in the positioning groove, an automatic moving device is connected below the lifting frame, and the lifting frame is driven by the automatic moving device to move along the guide plate; and the control switch of the equipment is turned on or off during the moving process of the lifting frame.
2. The method of claim 1, wherein a switch control box is installed on the top of the supporting plate at both sides of the lifting frame, a control switch is installed on the switch control box, and the switch control box and the control switch are used to limit the highest position of the lifting frame moving upwards; and a bottom plate is arranged at the lower end of the supporting plate and used for limiting the bottommost position of the lifting frame moving downwards.
3. The method as claimed in claim 2, wherein a switch control box is provided above the lifting frame, a control switch is installed at the lower end of the switch control box, and the floating ball can move upward along the floating rod under the action of buoyancy when the liquid level rises; and after the floating ball is propped against the stop block at the upper end of the floating rod, the floating ball can gradually rise along with the water level, so that the floating ball sequentially pushes the floating rod and the lifting frame to move upwards, and when the lifting frame reaches the highest position, the lifting frame can press the control switch.
4. A mechanical passive long distance dual liquid level automatic control method as claimed in claim 3, wherein the automatic moving means comprises a floating ball, a floating rod, a first stop and a second stop, the floating ball is firstly sleeved on the floating rod, then the stops are installed on both ends of the floating rod, a guiding means is connected on the top of the floating rod, so that when the floating ball is abutted against any one stop on the floating rod, a switch can be opened.
5. The method as claimed in claim 4, wherein a slip hole is formed through the floating ball, and the floating ball is sleeved on the floating ball by passing the floating rod through the slip hole; the inner cavity of the floating ball is separated from the sliding hole, so that the inner cavity of the floating ball is a closed annular cavity, and liquid at the sliding hole cannot enter the inner cavity of the floating ball.
6. The method as claimed in claim 5, wherein the floating ball is placed in the liquid, and the floating ball moves up or down along the floating rod along with the rise and fall of the liquid level under the action of the buoyancy of the liquid until the floating ball abuts against the stopper at the upper end of the floating rod or the stopper at the lower end of the floating rod.
7. The method as claimed in claim 6, wherein a control switch is provided under the lifting frame, when the float ball is driven by the falling of the liquid level to move down along the float rod and the float ball abuts against a stop at the lower end of the float rod, the float ball can sequentially drive the float rod and the lifting frame to move down along with the falling of the water level, and when the lifting frame reaches the lowest position, the lifting frame can press the control switch.
8. The mechanical passive long-distance double-liquid-level automatic control method according to any one of claims 1 to 6, wherein a supporting holding lug is arranged on the outer side of the supporting plate, a lifting holding lug is arranged on the outer side of the lifting frame, and the supporting holding lug and the lifting holding lug are respectively hooked by two ends of a spring; after the lifting frame reaches the highest position, the gravity of the lifting frame is balanced by the elastic force of the spring, so that when the floating ball moves between the stops at the two ends of the floating rod, the lifting frame is still at the highest position, and the original working state of the control switch can be maintained.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211100358.2A CN115390592A (en) | 2022-09-09 | 2022-09-09 | Mechanical passive long-distance double-liquid-level automatic control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211100358.2A CN115390592A (en) | 2022-09-09 | 2022-09-09 | Mechanical passive long-distance double-liquid-level automatic control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115390592A true CN115390592A (en) | 2022-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211100358.2A Pending CN115390592A (en) | 2022-09-09 | 2022-09-09 | Mechanical passive long-distance double-liquid-level automatic control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115390592A (en) |
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2022
- 2022-09-09 CN CN202211100358.2A patent/CN115390592A/en active Pending
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