CN215813859U - Liquid level control device of liquid storage tank - Google Patents
Liquid level control device of liquid storage tank Download PDFInfo
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- CN215813859U CN215813859U CN202121478079.0U CN202121478079U CN215813859U CN 215813859 U CN215813859 U CN 215813859U CN 202121478079 U CN202121478079 U CN 202121478079U CN 215813859 U CN215813859 U CN 215813859U
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Abstract
A liquid level control device of a liquid storage tank comprises a submersible pump, a chassis, a waterproof electronic level meter, a level adjusting part, a PLC and a liquid level sensing part; the submersible pump is arranged at the bottom of the liquid storage tank, and a discharge port of the submersible pump is connected to the outside of the liquid storage tank through a pipeline; the horizontal adjusting part is arranged at the bottom of the liquid storage tank, and the chassis is arranged on the horizontal adjusting part; the waterproof electronic level meter and the liquid level sensing part are both arranged on the upper end surface of the chassis; the horizontal adjusting part comprises four vertical adjusting mechanisms with completely same structures, and the four vertical adjusting mechanisms are respectively arranged at four corners of the chassis; the liquid level sensing part comprises a bracket mechanism and a sensing mechanism; the bracket mechanism is arranged on the upper end face of the chassis, and the induction mechanism is arranged on the bracket mechanism. The utility model improves the liquid level detection precision and reduces the labor intensity of workers.
Description
Technical Field
The utility model relates to a liquid level control device, in particular to a device capable of accurately controlling the liquid level of a liquid storage tank, and belongs to the technical field of liquid level control equipment.
Background
In the field of metallurgical production, various liquid storage tanks are arranged for production in a matching way, and raw materials or waste liquid required by production are loaded in the liquid storage tanks; the liquid level of the liquid storage tank is regulated, if the depth of the liquid storage tank is shallow, the production efficiency is influenced, and if the depth of the liquid storage tank is deep, surrounding electrified equipment is easily damaged by overflow; in order to control the depth of the liquid storage tank, a liquid level marker post is generally vertically arranged at the bottom of the liquid storage tank, the liquid level height is obtained by manually observing the numerical value corresponding to the liquid level on the liquid level marker post, however, the liquid level marker post deflects to influence the observation of workers due to the fact that water flows to impact the liquid level marker post at the bottom of the tank, and the observed numerical value error is large; moreover, manual observation is not carried out every moment, wherein the time of neutral is available, production can be influenced if the liquid level is not in a normal range in the time, and the labor intensity of workers is also improved when the workers often go to the liquid level marker post to observe the liquid level, so that the production is not facilitated; therefore, a liquid level control device is needed, which can automatically control the liquid level height and ensure that the liquid level is always kept within a normal range.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a liquid level control device of a liquid storage tank, which not only can reduce the labor intensity of workers, but also can ensure that the liquid level height is kept within a normal range.
The problems of the utility model are solved by the following technical scheme:
a liquid level control device of a liquid storage tank comprises a submersible pump, a chassis, a waterproof electronic level meter, a level adjusting part, a PLC and a liquid level sensing part; the submersible pump is arranged at the bottom of the liquid storage tank, and a discharge port of the submersible pump is connected to the outside of the liquid storage tank through a pipeline; the horizontal adjusting part is arranged at the bottom of the liquid storage tank, and the chassis is arranged on the horizontal adjusting part; the waterproof electronic level meter and the liquid level sensing part are both arranged on the upper end surface of the chassis; the horizontal adjusting part comprises four vertical adjusting mechanisms with completely same structures, and the four vertical adjusting mechanisms are respectively arranged at four corners of the chassis; the liquid level sensing part comprises a bracket mechanism and a sensing mechanism; the bracket mechanism is arranged on the upper end surface of the chassis, and the induction mechanism is arranged on the bracket mechanism; the signal control end of the submersible pump is connected with the signal output end of the PLC; and the signal output end of the waterproof electronic level meter is connected with the signal input end of the PLC.
In the liquid level control device of the liquid storage tank, the vertical adjusting mechanism comprises a waterproof cylinder, a connecting rod and supporting legs; one corner of the chassis is provided with a guide hole in the vertical direction, and the connecting rod penetrates through the guide hole; the lower end of the connecting rod is connected with the upper ends of the supporting legs, and the lower end surfaces of the supporting legs are arranged on the bottom end surface of the liquid storage tank; the upper end of the connecting rod is connected with a piston rod of the waterproof cylinder, and the axial lead of the piston rod of the waterproof cylinder is superposed with the axial lead of the connecting rod; a vertical plate is arranged on the chassis, and a shell of the waterproof cylinder is connected with the vertical plate; and the signal control end of the waterproof cylinder is connected with the signal output end of the PLC.
In the liquid level control device of the liquid storage tank, the support mechanism comprises a vertical rod, a U-shaped plate and a guide ring; the vertical rod is vertically arranged on the chassis; the opening direction of the U-shaped plate is the horizontal direction, and the lower end face of the U-shaped plate is vertically arranged on the upper end face of the vertical rod; the guide ring is arranged at the middle section of the vertical rod, the plane of the guide ring is parallel to the plane of the lower end face of the U-shaped plate, and the guide ring is located under the U-shaped plate.
In the liquid level control device of the liquid storage tank, the sensing mechanism comprises a floating ball, a floating rod, an upper touch switch, a lower touch switch and a touch pressing plate; the lower end face of the U-shaped plate is provided with a positioning hole in the vertical direction, and the positioning hole is positioned right above the inner hole of the guide ring; the floating rod simultaneously penetrates through an inner hole of the guide ring and a positioning hole of the U-shaped plate; a floating ball is arranged at the lower end of the floating rod, and a touch pressing plate is arranged at the upper end of the floating rod; an upper touch switch is arranged at the upper end of the inner wall of the U-shaped plate, a lower touch switch is arranged at the lower end of the inner wall of the U-shaped plate, and a touch pressing plate is positioned between the upper touch switch and the lower touch switch; and the signal output ends of the upper touch switch and the lower touch switch are connected with the signal input end of the PLC.
According to the utility model, through the cooperation of the horizontal adjusting part and the waterproof electronic level meter, the vertical rod is effectively ensured to be always in a vertical state, the overlarge liquid level detection error caused by the deflection of the vertical rod is avoided, the liquid level detection precision is greatly improved, and the labor intensity of workers is reduced; in addition, the liquid level sensing part accurately senses the real-time liquid level height, and the liquid level sensing part is matched with the submersible pump, so that the aim of automatically controlling the liquid level of the liquid storage tank is fulfilled.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
fig. 2 is a schematic perspective view of the present invention in use.
The list of labels in the figure is: 1. the device comprises a submersible pump, 2 a liquid storage tank, 3 a chassis, 4 a waterproof electronic level meter, 5 a waterproof cylinder, 6 a connecting rod, 7 supporting legs, 8 a vertical plate, 9 a vertical rod, 10 a U-shaped plate, 11 a guide ring, 12 a floating ball, 13 a floating rod, 14 a lower touch switch and 15 a touch pressing plate.
Detailed Description
Referring to fig. 1 and 2, the present invention comprises a submersible pump 1, a chassis 3, a waterproof electronic level 4, a level adjustment part, a PLC and a liquid level sensing part; the submersible pump 1 is used for controlling the liquid level height, and when the liquid level is too high, the submersible pump 1 pumps out redundant liquid to avoid overflowing; the waterproof electronic level meter 4 is used for judging the levelness of the chassis 3 and avoiding the deflection of the vertical rod 9 caused by the deflection of the chassis 3, and the liquid level detection precision is influenced once the vertical rod 9 deflects; the liquid level sensing part is used for sensing the liquid level height in real time.
The submersible pump 1 is arranged at the bottom of the liquid storage tank 2, and a discharge port of the submersible pump is connected to the outside of the liquid storage tank 2 through a pipeline; the horizontal adjusting part is arranged at the bottom of the liquid storage tank 2, and the chassis 3 is arranged on the horizontal adjusting part; the waterproof electronic level meter 4 and the liquid level sensing part are both arranged on the upper end surface of the chassis 3; the horizontal adjusting part comprises four vertical adjusting mechanisms with completely same structures, and the four vertical adjusting mechanisms are respectively arranged at four corners of the chassis 3; the four vertical adjusting mechanisms are matched to adjust the levelness of the plane of the chassis 3; the liquid level sensing part comprises a bracket mechanism and a sensing mechanism; the bracket mechanism is arranged on the upper end surface of the chassis 3, and the induction mechanism is arranged on the bracket mechanism; the signal control end of the submersible pump 1 is connected with the signal output end of the PLC; and the signal output end of the waterproof electronic level meter 4 is connected with the signal input end of the PLC.
The vertical adjusting mechanism comprises a waterproof cylinder 5, a connecting rod 6 and supporting legs 7; the vertical adjusting mechanism can adjust the height of the corner of the chassis at one corner, and the four vertical adjusting mechanisms cooperate to adjust the heights of the four corners of the chassis 3, so that the levelness of the chassis 3 is adjusted; a guide hole in the vertical direction is formed in one corner of the chassis 3 in the vertical direction, and the connecting rod 6 penetrates through the guide hole; the lower end of the connecting rod 6 is connected with the upper end of the supporting leg 7, and the lower end surface of the supporting leg 7 is arranged on the bottom end surface of the liquid storage tank 2; the upper end of the connecting rod 6 is connected with a piston rod of the waterproof cylinder 5, and the axial lead of the piston rod of the waterproof cylinder 5 is superposed with the axial lead of the connecting rod 6; the height of one corner of the chassis 3 where the waterproof cylinder 5 is located is controlled by the extension and retraction of a piston rod of the waterproof cylinder 5, and the four waterproof cylinders 5 cooperatively act to jointly adjust the levelness of the chassis 3; a vertical plate 8 is arranged on the chassis 3, and a shell of the waterproof cylinder 5 is connected with the vertical plate 8; and the signal control end of the waterproof cylinder 5 is connected with the signal output end of the PLC.
The support mechanism comprises a vertical rod 9, a U-shaped plate 10 and a guide ring 11; the vertical rod 9 is vertically arranged on the chassis 3; the opening direction of the U-shaped plate 10 is the horizontal direction, and the lower end face of the U-shaped plate 10 is vertically arranged on the upper end face of the vertical rod 9; the guide ring 11 is arranged at the middle section of the vertical rod 9, the plane of the guide ring 11 is parallel to the plane of the lower end face of the U-shaped plate 10, and the guide ring 11 is located under the U-shaped plate 10.
The induction mechanism comprises a floating ball 12, a floating rod 13, an upper touch switch, a lower touch switch 14 and a touch plate 15; the lower end face of the U-shaped plate 10 is provided with a positioning hole in the vertical direction, and the positioning hole is positioned right above the inner hole of the guide ring 11; the floating rod 13 simultaneously penetrates through an inner hole of the guide ring 11 and a positioning hole of the U-shaped plate 10; the floating rod 13 vertically moves up and down in the positioning holes of the guide ring 11 and the U-shaped plate 10, and the floating rod 13 can be ensured not to deflect and stably moves in the vertical direction by the matching of the guide ring 11 and the positioning holes of the U-shaped plate 10; a floating ball 12 is arranged at the lower end of the floating rod 13, and a touch pressing plate 15 is arranged at the upper end of the floating rod 13; the floating ball 12 floats in the liquid in the pool, and the synchronous lifting of the floating ball 12 is driven by the lifting of the liquid level, so that the synchronous lifting of the floating rod 13 is driven; therefore, the touch pressure plate 15 at the top end of the floating rod 13 can be ensured to synchronously lift and descend with the liquid level through the floating ball; an upper touch switch is arranged at the upper end of the inner wall of the U-shaped plate 10, a lower touch switch 14 is arranged at the lower end of the inner wall of the U-shaped plate 10, and a touch plate 15 is positioned between the upper touch switch and the lower touch switch 14; the signal output ends of the upper touch switch and the lower touch switch 14 are connected with the signal input end of the PLC; if the liquid level is too high, the touch pressure plate 15 can touch the upper touch pressure switch, and if the liquid level is too low, the touch pressure plate 15 can touch the lower touch pressure switch 14.
The actual operation process comprises the following steps: the equipment is arranged at the bottom of the pool, when the waterproof electronic level meter 4 on the chassis 3 detects the deviation of levelness, a signal is transmitted to the PLC, the PLC coordinates and controls the action of each waterproof cylinder 5 after analysis, the levelness of the chassis 3 is adjusted until the plane of the chassis 3 is adjusted to be horizontal, and the PLC stops the action of the waterproof cylinders 5; in the process of liquid level change, the floating ball 12 floats on the liquid level, when the liquid level is too high, the liquid level can correspondingly lift the floating ball 12, so that the touch pressure plate 15 is lifted, when the liquid level exceeds the normal height, the touch pressure plate 15 can touch and press the upper touch pressure switch, the upper touch pressure switch receives a signal and then transmits the signal to the PLC, the PLC controls the submersible pump 1 to act, liquid in the liquid storage tank 2 is pumped away, and the liquid level height is reduced until the liquid level height returns to the normal height; when the liquid level height was crossed lowly, touch clamp plate 15 and can touch down and press switch 14, touch down and press switch 14 with signal transmission for PLC, PLC notifies the control room, and the control room is regulated and control again and is added liquid in to liquid storage tank 2, raises the liquid level height, makes it resume normal scope.
Claims (4)
1. The liquid level control device of the liquid storage tank is characterized in that: the device comprises a submersible pump (1), a chassis (3), a waterproof electronic level meter (4), a horizontal adjusting part, a PLC and a liquid level sensing part; the submersible pump (1) is arranged at the bottom of the liquid storage tank (2), and a discharge port of the submersible pump is connected to the outside of the liquid storage tank (2) through a pipeline; the horizontal adjusting part is arranged at the bottom of the liquid storage tank (2), and the chassis (3) is arranged on the horizontal adjusting part; the waterproof electronic level meter (4) and the liquid level sensing part are both arranged on the upper end surface of the chassis (3); the horizontal adjusting part comprises four vertical adjusting mechanisms with completely same structures, and the four vertical adjusting mechanisms are respectively arranged at four corners of the chassis (3); the liquid level sensing part comprises a bracket mechanism and a sensing mechanism; the bracket mechanism is arranged on the upper end surface of the chassis (3), and the induction mechanism is arranged on the bracket mechanism; the signal control end of the submersible pump (1) is connected with the signal output end of the PLC; and the signal output end of the waterproof electronic level meter (4) is connected with the signal input end of the PLC.
2. The reservoir level control apparatus of claim 1, wherein: the vertical adjusting mechanism comprises a waterproof cylinder (5), a connecting rod (6) and supporting legs (7); one corner of the chassis (3) is provided with a guide hole in the vertical direction, and the connecting rod (6) penetrates through the guide hole; the lower end of the connecting rod (6) is connected with the upper end of the supporting leg (7), and the lower end surface of the supporting leg (7) is arranged on the bottom end surface of the liquid storage tank (2); the upper end of the connecting rod (6) is connected with a piston rod of the waterproof cylinder (5), and the axial lead of the piston rod of the waterproof cylinder (5) is superposed with the axial lead of the connecting rod (6); a vertical plate (8) is arranged on the chassis (3), and a shell of the waterproof cylinder (5) is connected with the vertical plate (8); and the signal control end of the waterproof cylinder (5) is connected with the signal output end of the PLC.
3. The reservoir level control apparatus of claim 2, wherein: the support mechanism comprises a vertical rod (9), a U-shaped plate (10) and a guide ring (11); the vertical rod (9) is vertically arranged on the chassis (3); the opening direction of the U-shaped plate (10) is the horizontal direction, and the lower end face of the U-shaped plate (10) is vertically arranged on the upper end face of the vertical rod (9); the guide ring (11) is arranged at the middle section of the vertical rod (9), the plane of the guide ring (11) is parallel to the plane of the lower end face of the U-shaped plate (10), and the guide ring (11) is located under the U-shaped plate (10).
4. The liquid level control device according to claim 3, characterized in that: the induction mechanism comprises a floating ball (12), a floating rod (13), an upper touch switch, a lower touch switch (14) and a touch plate (15); the lower end face of the U-shaped plate (10) is provided with a positioning hole in the vertical direction, and the positioning hole is positioned right above the inner hole of the guide ring (11); the floating rod (13) simultaneously penetrates through an inner hole of the guide ring (11) and a positioning hole of the U-shaped plate (10); a floating ball (12) is arranged at the lower end of the floating rod (13), and a touch pressing plate (15) is arranged at the upper end of the floating rod (13); an upper touch switch is arranged at the upper end of the inner wall of the U-shaped plate (10), a lower touch switch (14) is arranged at the lower end of the inner wall of the U-shaped plate (10), and a touch plate (15) is positioned between the upper touch switch and the lower touch switch (14); and the signal output ends of the upper touch switch and the lower touch switch (14) are connected with the signal input end of the PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121478079.0U CN215813859U (en) | 2021-06-30 | 2021-06-30 | Liquid level control device of liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121478079.0U CN215813859U (en) | 2021-06-30 | 2021-06-30 | Liquid level control device of liquid storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215813859U true CN215813859U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121478079.0U Active CN215813859U (en) | 2021-06-30 | 2021-06-30 | Liquid level control device of liquid storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215813859U (en) |
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2021
- 2021-06-30 CN CN202121478079.0U patent/CN215813859U/en active Active
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