Factory wastewater pool liquid level monitor

Abstract

The utility model provides a liquid level monitor for a factory wastewater pool, and belongs to the technical field of wastewater treatment. The problem that in the prior art, reliability and convenience of waste water liquid level monitoring are poor is solved. The liquid level monitor for the factory wastewater pool comprises a fixing frame, the fixing frame is provided with a trigger switch used for controlling whether water is supplied to the wastewater pool or not, a cylindrical fixing pipe arranged in the vertical direction and an ultrasonic liquid level sensor arranged adjacent to the fixing pipe, and the trigger switch and the ultrasonic liquid level sensor are electrically connected with the same controller. A lifting rope used for controlling the trigger switch to be turned on and turned off is arranged in the fixing pipe, the upper end of the lifting rope is connected with a switch driving lever of the trigger switch, a plurality of buoyancy pieces are arranged at the lower end of the lifting rope in series, and the buoyancy pieces can enable the switch driving lever of the trigger switch to swing downwards or reset upwards under the action of gravity or buoyancy. And the buoyancy pieces are all positioned in the fixed pipe. The device has the advantage that the reliability and convenience of monitoring the liquid level of the wastewater can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of wastewater treatment and relates to a liquid level monitor for a factory wastewater pool. Background Art

[0002] Wastewater treatment is the use of various technologies and means to separate, remove, recycle or convert pollutants contained in wastewater into harmless substances to purify the water. The wastewater treatment tank is an important part of the wastewater treatment system. During the wastewater treatment process, it is usually necessary to install a water level detection device in the wastewater treatment tank to detect the water level, prevent the wastewater in the wastewater treatment tank from overflowing, and facilitate the staff to control the speed of sewage treatment.

[0003] For example, a Chinese patent document discloses a sewage pool water level detection device for sewage treatment (application number: 202021424061.8), which includes a fixed frame, a base and a scale rod, an adjusting box is fixedly installed on the top of the base, a threaded kit is movably installed inside the adjusting box through a bidirectional threaded rod, a telescopic rod is installed on the top of the adjusting box through a telescopic column, and the two sides of the telescopic rod are movably installed with the threaded kit through movable rods, a fixing box is fixedly installed on the top of the telescopic rod through a fixed frame, an alarm light and a solar panel are fixedly installed on the top of the fixing box, a scale rod is installed through an observation box on one side of the fixed frame, and floats are fixedly installed on both sides of the bottom of the scale rod through a fixing seat.

[0004] The sewage pool water level detection device for sewage treatment has the following deficiencies during use: 1. The scale rod is floating on the water surface. During the sewage treatment process, the water surface in the sewage pool will fluctuate to a certain extent due to the fast water flow rate. Therefore, the scale rod will also move up and down with the fluctuation of the water surface. In this way, it is difficult for staff to grasp the accurate water level when checking, and the reliability of water level detection is poor; 2. The detection device requires staff to go to the site to observe the scale of the scale rod with the naked eye to record the water level, and the convenience of use is relatively low. Summary of the invention

[0005] The purpose of the utility model is to solve the above problems in the existing technology and propose a factory wastewater pool liquid level monitor. The technical problem to be solved by the utility model is how to improve the reliability and convenience of wastewater liquid level monitoring.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A liquid level monitor for a factory wastewater pool comprises a fixed frame, characterized in that a trigger switch for controlling whether water is supplied to the wastewater pool, a cylindrical fixed pipe arranged vertically, and an ultrasonic liquid level sensor arranged adjacent to the fixed pipe are arranged on the fixed frame, the trigger switch and the ultrasonic liquid level sensor are electrically connected to the same controller, a suspension rope for controlling the opening and closing of the trigger switch is arranged in the fixed pipe, the upper end of the suspension rope is connected to the switch lever of the trigger switch, and a plurality of buoyancy members are arranged in series at the lower end of the suspension rope, the buoyancy members can make the switch lever of the trigger switch swing downward or reset upward under the action of gravity or buoyancy, and the buoyancy members are all located in the fixed pipe.

[0008] When using the factory wastewater pool level monitor, the trigger switch and the controller need to be electrically connected to a water pump at the same time. Then the controller will identify and process the transmission signal of the ultrasonic liquid level sensor and confirm the liquid level. Finally, the liquid level will be sent to the display screen in real time or wirelessly transmitted to the remote control center for display. In this way, the operator does not need to keep an eye on the wastewater pool all the time, thereby improving the convenience of wastewater level monitoring.

[0009] At the same time, the factory wastewater pool level monitor sets multiple buoyancy members in a fixed pipe through a suspension rope, and the upper end of the suspension rope is connected to the switch lever of the trigger switch. On the one hand, the multiple buoyancy members set in the fixed pipe can reduce the adverse effects of surface waves and eddies on the stability of the buoyancy members. On the other hand, by setting multiple buoyancy members in series on the suspension rope, the switch lever of the trigger switch connected to the suspension rope can be more stably stressed (the buoyancy member at the bottom is greatly affected by the change of the wastewater level. Since the buoyancy members are set in the fixed pipe in series up and down, the buoyancy members at the top are less affected by the change of the wastewater level. , so that the multiple buoyancy members can make the switch lever of the trigger switch connected to the suspension rope more stably stressed), and the multiple buoyancy members have a greater deadweight, which also makes the switch lever of the trigger switch swing downward or reset upward more gently to better open and close the trigger switch, thereby reducing the impact force on the trigger switch, making the trigger switch safer, more reliable and durable to use. At the same time, the controller can control the operation of the water pump through the opening and closing of the trigger switch, so that the wastewater level in the wastewater pool is kept within a reasonable range, avoiding the wastewater in the wastewater pool from being too full and overflowing from the wastewater pool, thereby improving the reliability of wastewater level monitoring.

[0010] In the above-mentioned factory wastewater pool level monitor, the upper and lower ends of the buoyancy member are provided with hanging rings, the lower end of the hanging rope is connected to the hanging ring at the upper end of the uppermost buoyancy member, and the remaining buoyancy members are sequentially connected up and down through connecting rods. By providing the hanging ring on the buoyancy member, the disassembly and assembly of the hanging rope, the buoyancy member and the connecting rod are more convenient, which is convenient for adding and removing buoyancy members on the hanging rope, and also convenient for replacement and maintenance of various components.

[0011] In the above-mentioned factory wastewater pool level monitor, the upper and lower ends of the connecting rod are provided with hook parts, and the two hook parts of the connecting rod are respectively connected to the hanging ring parts of the adjacent buoyancy members. By providing the hook parts at both ends of the connecting rod, the disassembly and assembly between the connecting rod and the buoyancy member can be further facilitated.

[0012] In the above-mentioned factory wastewater pool level monitor, the buoyancy member and the connecting rod are coaxially arranged, and the trigger switch is located above the suspension rope. By coaxially arranging the buoyancy member and the connecting rod, the buoyancy of the buoyancy member is accurately and quickly transmitted, so that as the buoyancy member floats due to changes in the liquid level, the switch lever of the trigger switch can be better reset upward to close the trigger switch.

[0013] In the above-mentioned factory wastewater pool level monitor, the fixed pipe is cylindrical, the buoyancy element is columnar, and there is a distance between the buoyancy element and the inner wall of the fixed pipe. The above-mentioned structure can ensure the up and down floating of the buoyancy element on the one hand, and on the other hand, it can also limit the lateral movement of the buoyancy element, further reducing the adverse effects of surface waves and eddies on the stability of the buoyancy element.

[0014] In the above-mentioned factory wastewater pool level monitor, the buoyancy member is a hollow cylindrical shape, and the top of the buoyancy member has a water injection hole. By setting the buoyancy member to be a hollow cylindrical shape and opening the water injection hole on the top of the buoyancy member, it is convenient for the user to inject water into the buoyancy member when using it, so as to increase the gravity of the buoyancy member itself, so that in the initial state, the gravity of multiple buoyancy members is greater than the buoyancy, and the rope pulls down the switch lever of the trigger switch, so that the switch lever swings downward to turn on the trigger switch, so that in the initial state, the controller can control the water pump to work so that wastewater is injected into the wastewater pool through the water pump.

[0015] In the above-mentioned factory wastewater pool level monitor, the fixing frame includes a horizontally arranged mounting plate and a fixing pipe integrally formed on the mounting plate and vertically arranged relative to the mounting plate, and both sides of the mounting plate have a step portion arranged downward, and a wire pipe whose length direction is consistent with the length direction of the mounting plate is arranged on the step portion, and the lines of the ultrasonic liquid level sensor and the trigger switch are respectively extended into the wire pipe. The mounting plate of the above-mentioned structure is in a "J" shape, which can enhance the structural strength of the mounting plate itself, and the fixing pipe is integrally formed on the mounting plate to enhance the structural strength of the fixing frame. The fixing pipe and the mounting plate are in a T-shape, which can provide more space utilization and load transfer capacity, and can also improve the force performance and strength of the fixing frame. At the same time, by arranging the wire pipe on the step portion arranged downward during the installation, on the one hand, it can prevent the wire pipe from being too high above the mounting plate, so that the height of the wire pipe after the wire pipe is arranged is basically flush with the mounting plate, which is conducive to the routing of the lines of the ultrasonic liquid level sensor and the trigger switch, that is, extending into the wire pipe and routing along the length direction of the wire pipe, so that the wire pipe can better protect the lines of the ultrasonic liquid level sensor and the trigger switch.

[0016] In the above-mentioned factory wastewater pool level monitor, a wire passing port is provided on the side wall of the wire pipe, and the wire passing port is arranged adjacent to the trigger switch, and one end of the wire pipe is arranged adjacent to the ultrasonic liquid level sensor. The wire passing port can facilitate the line of the trigger switch to extend into the wire pipe, and the line of the ultrasonic liquid level sensor can extend into the wire pipe from the end of the wire pipe, thereby facilitating the routing of the lines of both the ultrasonic liquid level sensor and the trigger switch.

[0017] In the above-mentioned factory wastewater pool level monitor, the mounting plate has a vertical plate portion and a flange portion respectively arranged in the vertical direction, the trigger switch is arranged on the vertical plate portion, the upper end of the fixed tube passes through the mounting plate, and the flange portion is arranged on the end of the mounting plate away from the ultrasonic liquid level sensor. The flange portion can facilitate the fixing of the fixing frame on the one hand, and can also enhance the structural strength of the mounting plate itself on the other hand. The vertical plate portion can facilitate the fixing of the trigger switch on the one hand, and can also enable the trigger switch to be located above the fixed tube after being fixed, and the upper end of the fixed tube passes through the mounting plate, so that the switch lever of the trigger switch can be better swung downward or reset upward to better open and close the trigger switch.

[0018] Compared with the prior art, the advantages of the factory wastewater pool liquid level monitor are: the ultrasonic liquid level sensor of the factory wastewater pool liquid level monitor can feedback the liquid level in real time, and the controller sends the liquid level to the display screen for display or wirelessly transmits it to the remote control center for display, so that the operator does not need to keep an eye on the wastewater pool all the time; in addition, the trigger switch of the factory wastewater pool liquid level monitor can control the opening and closing of the water pump, which can keep the wastewater in the wastewater pool within a reasonable range, avoid the wastewater in the wastewater pool from being too full and overflowing from the wastewater pool, thereby improving the convenience and reliability of wastewater level monitoring. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural diagram of the wastewater pool level monitor in this factory.

[0020] Figure 2 It is a cross-sectional view of the wastewater tank level monitor in this factory.

[0021] Figure 3 This is a schematic diagram of the structure of the wastewater pool level monitor in this factory from a bird's-eye view.

[0022] Figure 4 It is a three-dimensional structural diagram of the trigger switch, suspension rope, connecting rod and buoyancy member of the wastewater pool level monitor of this factory.

[0023] In the figure, 1, fixing frame; 1a, mounting plate; 1a1, step portion; 1a2, vertical plate portion; 1a3, flange portion; 1b, fixing tube; 2, trigger switch; 3, ultrasonic liquid level sensor; 4, lifting rope; 5, buoyancy member; 5a, hanging ring portion; 5b, water injection hole; 6, connecting rod; 6a, hook portion; 7, electric wire tube; 7a, wire passing port. DETAILED DESCRIPTION

[0024] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0025] A factory wastewater pool level monitor, reference Figure 1-4 , comprising a fixed frame 1, on which is arranged a trigger switch 2 for controlling water supply to a wastewater pool, a cylindrical fixed pipe 1b arranged vertically, and an ultrasonic liquid level sensor 3 arranged adjacent to the fixed pipe 1b, the trigger switch 2 and the ultrasonic liquid level sensor 3 being electrically connected to the same controller, a suspension rope 4 for controlling the opening and closing of the trigger switch 2 being arranged in the fixed pipe 1b, the upper end of the suspension rope 4 being connected to the switch lever of the trigger switch 2, a plurality of buoyancy members 5 being arranged in series at the lower end of the suspension rope 4, the buoyancy members 5 being able to make the switch lever of the trigger switch 2 swing downward or reset upward under the action of gravity or buoyancy, and the buoyancy members 5 are all located in the fixed pipe 1b.

[0026] Specifically, refer to Figure 1-4 The upper and lower ends of the buoyancy member 5 both have hanging ring parts 5a, the lower end of the suspension rope 4 is connected to the hanging ring part 5a at the upper end of the uppermost buoyancy member 5, and the remaining buoyancy members 5 are connected up and down in sequence through the connecting rod 6; the upper and lower ends of the connecting rod 6 both have hook parts 6a, and the two hook parts 6a of the connecting rod 6 are respectively hung and connected with the hanging ring parts 5a of adjacent buoyancy members 5.

[0027] In this embodiment, the buoyancy member 5 and the connecting rod 6 are preferably coaxially arranged, and the trigger switch 2 is located above the suspension rope 4; preferably, the fixed tube 1b is cylindrical, the buoyancy member 5 is columnar, and there is a distance between the buoyancy member 5 and the inner wall of the fixed tube 1b; further preferably, the buoyancy member 5 is a hollow cylindrical shape, and the top of the buoyancy member 5 has a water injection hole 5b.

[0028] More specifically, refer to Figure 1-4 The fixing frame 1 includes a horizontally arranged mounting plate 1a and a fixing tube 1b integrally formed on the mounting plate 1a and vertically arranged relative to the mounting plate 1a. Both sides of the mounting plate 1a have downwardly arranged step portions 1a1, and the step portions 1a1 are provided with a wire tube 7 whose length direction is consistent with the length direction of the mounting plate 1a, and the lines of the ultrasonic liquid level sensor 3 and the trigger switch 2 are respectively extended into the wire tube 7; a wire passing opening 7a is provided on the side wall of the wire tube 7, and the wire passing opening 7a is arranged adjacent to the trigger switch 2, and one end of the wire tube 7 is arranged adjacent to the ultrasonic liquid level sensor 3; the mounting plate 1a has a vertical plate portion 1a2 and a flange portion 1a3 respectively arranged vertically, and the trigger switch 2 is arranged on the vertical plate portion 1a2, the upper end of the fixing tube 1b passes through the mounting plate 1a, and the flange portion 1a3 is arranged on the end of the mounting plate 1a away from the ultrasonic liquid level sensor 3.

[0029] When in use, the trigger switch 2 and the controller are electrically connected to the water pump respectively, the ultrasonic liquid level sensor 3 detects the water level by emitting ultrasonic waves to the water surface, and feeds back the detection data to the controller in real time in the form of a transmission signal (the controller is not shown in the figure, wherein the model of the controller may be S7-200, and the model of the ultrasonic liquid level sensor 4 may be YEH3000X2), the controller receives the transmission signal and confirms the liquid level in real time through identification and processing, and the controller sends the liquid level in real time to the display screen for display or wirelessly transmits it to the remote control center for display; at the same time, as the buoyancy member 5 floats up and down due to the change in liquid level, the buoyancy changes. In the initial state, the user injects water into the buoyancy member 5 through the water injection hole 5b, and the water level in the wastewater pool is below the lowest buoyancy member 5, so that multiple buoyancy members 5 are pulled down by the suspension rope 4 under the action of gravity to trigger the switch. The switch lever of switch 2 is turned on, so that the switch lever swings downward to turn on trigger switch 2. At this time, the controller controls the water pump to work so that wastewater is injected into the wastewater pool through the water pump. As the liquid level in the wastewater pool rises to the height where the multiple buoyancy members 5 are located, under the action of buoyancy, the switch lever of trigger switch 2 swings upward and resets to turn off trigger switch 2. At this time, the controller controls the water pump to stop working, that is, to stop injecting wastewater into the wastewater pool to avoid the wastewater in the wastewater pool being too full and overflowing from the wastewater pool. In this way, the operator does not need to keep an eye on the wastewater pool all the time. The ultrasonic liquid level sensor 4 can feedback the liquid level in real time. In addition, the trigger switch 2 of the wastewater pool level monitor of this factory can control the opening and closing of the water pump, so that the wastewater level in the wastewater pool can be kept within a reasonable range to avoid the wastewater in the wastewater pool being too full and overflowing from the wastewater pool, thereby improving the convenience and reliability of wastewater level monitoring.

[0030] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

Claims

1. A factory wastewater pool level monitor, comprising a fixing frame (1), characterized in that: The fixing frame (1) is provided with a trigger switch (2) for controlling whether water is supplied to the wastewater pool, a cylindrical fixing pipe (1b) arranged vertically, and an ultrasonic liquid level sensor (3) arranged adjacent to the fixing pipe (1b); the trigger switch (2) and the ultrasonic liquid level sensor (3) are electrically connected to the same controller; a suspension rope (4) for controlling the opening and closing of the trigger switch (2) is arranged in the fixing pipe (1b); the upper end of the suspension rope (4) is connected to the switch lever of the trigger switch (2); the lower end of the suspension rope (4) is provided with a plurality of buoyancy members (5) in series; the buoyancy members (5) can cause the switch lever of the trigger switch (2) to swing downward or reset upward under the action of gravity or buoyancy; and the buoyancy members (5) are all located in the fixing pipe (1b).

2. A factory wastewater pool level monitor according to claim 1, characterized in that: The upper and lower ends of the buoyancy member (5) are both provided with hanging rings (5a); the lower end of the suspension rope (4) is connected to the hanging ring (5a) at the upper end of the uppermost buoyancy member (5); and the remaining buoyancy members (5) are connected in sequence up and down through connecting rods (6).

3. A factory wastewater pool level monitor according to claim 2, characterized in that: The upper and lower ends of the connecting rod (6) are both provided with hooking parts (6a), and the two hooking parts (6a) of the connecting rod (6) are respectively hung and connected with the hanging ring parts (5a) of the adjacent buoyancy members (5).

4. A factory wastewater pool level monitor according to claim 2 or 3, characterized in that: The buoyancy member (5) and the connecting rod (6) are coaxially arranged, and the trigger switch (2) is located above the suspension rope (4).

5. A factory wastewater pool level monitor according to claim 4, characterized in that: The fixed tube (1b) is cylindrical, the buoyancy member (5) is columnar, and there is a distance between the buoyancy member (5) and the inner wall of the fixed tube (1b).

6. A factory wastewater pool liquid level monitor according to claim 5, characterized in that: The buoyancy member (5) is in the shape of a hollow cylinder, and a water injection hole (5b) is provided on the top of the buoyancy member (5).

7. A factory wastewater pool liquid level monitor according to claim 1, 2 or 3, characterized in that: The fixing frame (1) comprises a horizontally arranged mounting plate (1a) and a fixing tube (1b) integrally formed on the mounting plate (1a) and arranged vertically relative to the mounting plate (1a); both sides of the mounting plate (1a) have stepped portions (1a1) arranged downward; the stepped portions (1a1) are provided with an electric wire tube (7) whose length direction is consistent with the length direction of the mounting plate (1a); and the circuits of the ultrasonic liquid level sensor (3) and the trigger switch (2) extend into the electric wire tube (7) respectively.

8. A factory wastewater pool level monitor according to claim 7, characterized in that: A wire passage opening (7a) is provided on the side wall of the wire tube (7), and the wire passage opening (7a) is arranged adjacent to the trigger switch (2), and one end of the wire tube (7) is arranged adjacent to the ultrasonic liquid level sensor (3).

9. A factory wastewater pool level monitor according to claim 7, characterized in that: The mounting plate (1a) has a vertical plate portion (1a2) and a flange portion (1a3) respectively arranged in the vertical direction, the trigger switch (2) is arranged on the vertical plate portion (1a2), the upper end of the fixing tube (1b) passes through the mounting plate (1a), and the flange portion (1a3) is arranged on the end of the mounting plate (1a) away from the ultrasonic liquid level sensor (3).

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