Vacuum floor drain and intelligent discharge system

Abstract

The utility model relates to the technical field of vacuum drainage and pollution discharge, and discloses a vacuum floor drain and an intelligent drainage system.The vacuum floor drain comprises a shell, a sewage inlet is formed in one side of the shell, and an air pressure signal collecting pipe is arranged in the middle of the shell. According to the vacuum floor drain and the intelligent drainage system, by arranging the sewage inlet, the air pressure signal collecting pipe, the air pipe, the vacuum pipe and the filter screen, the structure of the floor drain is simplified, and the floor drain is not prone to being blocked, easy to clean and capable of being applied to a more complex sewage environment; the control unit is connected with the control valve and the vacuum floor drain, and the air pressure sensor is arranged in the control unit and connected with the air pipe, so that the reaction sensitivity and reliability of the discharging system are improved, continuous operation can be guaranteed by using a battery without an external power supply, and the problems that an existing floor drain vacuum discharging system is complex in structure, inconvenient to clean and inconvenient to operate are solved. The utility model solves the problems that the existing cleaning agent can only be applied to a cleaner water environment, cannot treat a heavily polluted environment with large oil stains, and is high in process requirement and high in cost.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vacuum drainage and sewage discharge, in particular to a vacuum floor drain and an intelligent discharge system. BACKGROUND

[0002] ‌Vacuum drainage and sewage discharge is a drainage method that uses a vacuum device to generate a certain vacuum degree (negative pressure) in the pipeline, and uses air as the conveying medium to achieve sewage collection and discharge.

[0003] The existing patent (publication number: CN 112963387B) discloses an intelligent vacuum discharge system for floor drain, which comprises a water tank, a pressure sensing pipe, a pressure sensing pipe joint, a pressure detection connecting pipe, a counterweight type liquid level switch, a first discharge pipeline, a discharge valve, a second discharge pipeline, a discharge control valve, a vacuum pressure switch and a discharge controller; the present application adopts a counterweight ring structure to realize the on-off processing of the liquid level switch, avoids the influence of material and machining error on the liquid level detection accuracy of the spring, magnetic ring and other parts, simultaneously adopts a double sealing ring structure, the signal connection point corresponding to the liquid level forms a sudden change of air pressure action area and a sudden change of signal connection force, the liquid level corresponding to the signal connection point is clear and distinct, the liquid level corresponding to the signal disconnection point is far away from the liquid level corresponding to the signal connection point, avoids the frequent alternation of the liquid level switch at the on-off point, improves the working reliability and service life of the counterweight type liquid level switch, and has a wide application prospect.

[0004] The above-mentioned vacuum discharge system for floor drain uses a counterweight type liquid level switch to sense the pressure change in the air pressure signal collection pipe to control the sewage discharge time, the structure of the counterweight type liquid level switch is complex, it is not sensitive to pressure sensing, and a higher sealing environment is required, the air pressure signal collection pipe connected with the counterweight type liquid level switch passes through the through hole at the top of the water tank and needs to be welded for reliable sealing, the water tank is closed, if impurities block it, it cannot be known in time, which leads to failure of the discharge system, it can only be applied in a relatively clean water environment and cannot handle heavy pollution environment with oil stains, the application field is small, the process requirement is high, the cost is large, and the structure is complex. Practical new type content

[0005] In view of the defects of the prior art, the present application provides a vacuum floor drain and an intelligent discharge system, which has the advantages that the vacuum floor drain has a simple structure, is not easy to block, is easy to clean, can be applied to more complex sewage environment, the control unit adopts an air pressure sensor, has sensitive response and high reliability, does not need external power supply and can ensure continuous operation by using a battery, and solves the problems of the prior art, such as complex structure of the vacuum discharge system for floor drain, inconvenient cleaning, application only in a relatively clean water environment, inability to handle heavy pollution environment with oil stains, small application field, high process requirement and high cost.

[0006] To achieve the above object, the present application provides the following technical scheme: A vacuum floor drain, comprising a shell, one side of the shell is provided with a sewage inlet, the middle part of the shell is provided with an air pressure signal collection pipe, the top end of the air pressure signal collection pipe is fixedly connected with an air pipe, the side of the shell away from the sewage inlet is provided with an air pipe hole, the air pipe extends outside the shell through the air pipe hole, a filter screen is arranged between the air pressure signal collection pipe and the sewage inlet, the side of the shell away from the sewage inlet is provided with a drain outlet, the inside of the drain outlet is provided with a vacuum pipe.

[0007] Through the above scheme, the existing floor drain vacuum discharge system has a complex structure and is inconvenient to clean, can only be applied in a relatively clean water environment, cannot handle heavy pollution environment with large oil stains, has a small application field, high process requirement and high cost, the sewage inlet, the air pressure signal collection pipe, the air pipe, the vacuum pipe and the filter screen are arranged to simplify the structure of the floor drain, prevent the floor drain from being easily blocked, facilitate cleaning, and enable the floor drain to be applied to more complex sewage environments.

[0008] Further, the inside of the filter screen is fixedly connected with a lifting handle.

[0009] Through the above scheme, the filter screen can be taken and placed through the lifting handle, and the filter screen can be cleaned.

[0010] Further, the bottom of the air pressure signal collection pipe is open, the open end of the bottom of the air pressure signal collection pipe is fixedly connected with the inner bottom wall of the shell, and a gap is left.

[0011] Through the above scheme, liquid can enter the air pressure signal collection pipe, so that the air pressure in the air pressure signal collection pipe increases, the air pressure sensor can sense the change of the air pressure in the air pressure signal collection pipe through the air pipe, and then control the opening and closing of the discharge valve through the control unit.

[0012] Further, the vacuum pipe is a bent pipe, and a gap is left between the bottom of the vacuum pipe and the inner bottom wall of the shell.

[0013] Through the above scheme, the sewage can enter the vacuum pipe through the gap between the vacuum pipe and the inner bottom wall of the shell, and then the sewage discharge operation is completed.

[0014] Further, the bottom of the shell near the sewage inlet end is inclined upward by a certain angle.

[0015] Through the above scheme, the circulation of sewage is facilitated, and the filter screen and impurities in the sewage are filtered.

[0016] Further, the end of the shell near the sewage inlet is fixedly connected with a support plate.

[0017] Through the above scheme, the shell is supported by the support plate, and the stability of the shell is improved.

[0018] Further, the top end of the shell is provided with a cover plate, and strip-shaped openings are arranged equidistantly in the interior of the cover plate.

[0019] Through the above scheme, the cover plate can protect the floor drain and improve the aesthetic degree of the floor drain.

[0020] Further, the shell is made of corrosion-resistant metal material, and the inner wall of the shell is coated with a rust-proof coating.

[0021] Through the above scheme, the shell made of corrosion-resistant metal has good corrosion resistance, and the rust-proof coating coated on the inner wall can improve the durability of the shell.

[0022] An intelligent drainage system comprising a vacuum floor drain, a vacuum lifting pipe, a drainage valve, a control unit, a gas pressure sensor, one end of the vacuum lifting pipe being a vacuum pipe, the vacuum lifting pipe being connected to the drainage valve, the control unit being connected to the vacuum floor drain and the drainage valve, the control unit being provided with the gas pressure sensor, the gas pressure sensor being connected to the air pipe.

[0023] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0024] The vacuum floor drain and the intelligent drainage system simplify the structure of the floor drain, prevent the floor drain from being easily blocked, and are easy to clean, can be applied to more complex sewage environments, improve the reaction sensitivity and reliability of the drainage system by setting the vacuum lifting pipe, the control valve, the control unit connecting the control valve and the vacuum floor drain, and the gas pressure sensor built in the control unit and connected to the air pipe, do not need external power supply, and can ensure continuous operation by using a battery, solve the problems of complex structure of the existing floor drain vacuum drainage system, inconvenient cleaning, only applicable to relatively clean water environment, unable to handle heavy pollution environment with oil pollution, high process requirement and high cost. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structural diagram of the intelligent drainage system of the present application;

[0026] Figure 2 is a structural diagram of the vacuum floor drain of the present application;

[0027] Figure 3 is a structural diagram of the shell of the present application;

[0028] Figure 4 is a structural diagram of the sewage inlet of the present application;

[0029] Figure 5 is a partial cross-sectional side view structural diagram of the present application;

[0030] Figure 6The filter screen structure diagram of the present application.

[0031] In the figure:

[0032] 1, shell; 2, sewage inlet; 3, air pressure signal collection pipe; 4, air pipe; 5, air pipe hole; 6, filter screen; 7, drain outlet; 8, vacuum pipe; 9, handle; 10, support plate; 11, cover plate; 12, vacuum lifting pipe; 13, discharge valve; 14, control unit; 15, air pressure sensor. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0034] Please refer to Figure 4 , Figure 5 and Figure 6 , the vacuum floor drain in the embodiment includes a shell 1, one side of the shell 1 is provided with a sewage inlet 2, the middle part of the shell 1 is provided with an air pressure signal collection pipe 3, the top end of the air pressure signal collection pipe 3 is fixedly connected with an air pipe 4, the side of the shell 1 away from the sewage inlet 2 is provided with an air pipe hole 5, the air pipe 4 extends out of the shell 1 through the air pipe hole 5, the air pressure signal collection pipe 3 is provided with a filter screen 6 between the air pressure signal collection pipe 3 and the sewage inlet 2, the side of the shell 1 away from the sewage inlet 2 is provided with a drain outlet 7, the inside of the drain outlet 7 is provided with a vacuum pipe 8.

[0035] Please refer to Figure 4 and Figure 6 , the inside of the filter screen 6 is fixedly connected with a handle 9, the filter screen 6 can be taken and placed through the handle 9, and the filter screen 6 is convenient to clean.

[0036] Please refer to Figure 5 , the bottom of the air pressure signal collection pipe 3 is open, the open end of the bottom of the air pressure signal collection pipe 3 is fixedly connected with the inner bottom wall of the shell 1, and there is a gap, so that the liquid can enter the air pressure signal collection pipe 3, and then the air pressure in the air pressure signal collection pipe 3 increases, the air pressure sensor 15 can sense the change of the air pressure in the air pressure signal collection pipe 3 through the air pipe 4, and then control the opening and closing of the discharge valve 13 through the control unit 14.

[0037] Please refer to Figure 5 and Figure 6 , the vacuum pipe 8 is a bent pipe, there is a gap between the bottom of the vacuum pipe 8 and the inner bottom wall of the shell 1, so that the sewage can enter the vacuum pipe 8 through the gap between the vacuum pipe 8 and the inner bottom wall of the shell 1, and then the sewage treatment is completed.

[0038] Please refer to Figure 2 , Figure 3 and Figure 5 , the bottom of the shell 1 near the sewage inlet 2 end is inclined upward at a certain angle, which is convenient for the flow of sewage and the filtration of impurities in the sewage.

[0039] Please refer to Figure 2 , Figure 3 and Figure 4 , the shell 1 near the sewage inlet 2 end is fixedly connected with the support plate 10, which supports the shell 1 and improves the stability of the shell 1.

[0040] Please refer to Figure 2 , the top end of the shell 1 is provided with a cover plate 11, which is provided with a plurality of strip-shaped openings arranged at equal intervals, which can protect the floor drain and improve the appearance of the floor drain.

[0041] Please refer to Figure 2 and Figure 3 , the shell 1 is made of corrosion-resistant metal, and the inner wall of the shell 1 is coated with a rust-proof coating. The shell 1 made of corrosion-resistant metal has good corrosion resistance, and the rust-proof coating on the inner wall can improve the durability of the shell 1.

[0042] Please refer to Figure 1 , a kind of intelligent discharge system containing vacuum floor drain, including vacuum floor drain, vacuum lifting pipe 12, discharge valve 13, control unit 14, air pressure sensor 15, vacuum pipe 8 at one end of vacuum lifting pipe 12, discharge valve 13 is connected to vacuum lifting pipe 12, control unit 14 is connected to vacuum floor drain and discharge valve 13, control unit 14 is built-in air pressure sensor 15, air pressure sensor 15, air pressure sensor 15 is connected with air pipe 4.

[0043] The vacuum floor drain and intelligent discharge system in the embodiment simplify the structure of the floor drain, prevent the floor drain from being easily blocked, and facilitate cleaning. It can be applied to more complex sewage environment. By setting the vacuum lifting pipe 12, the discharge valve 13, the control unit 14 connecting the discharge valve 13 and the vacuum floor drain, and the air pressure sensor 15 built-in the control unit 14 and connected with the air pipe 4, the reaction sensitivity and reliability of the discharge system are improved. Without external power supply, the use of battery can ensure continuous operation, which solves the problems of complex structure, inconvenient cleaning, limited application in clean water environment, inability to handle heavy pollution environment with oil pollution, small application field, high process requirement and high cost of existing floor drain vacuum discharge system.

[0044] Need to explain, the vacuum lifting pipe 12 far away from the vacuum pipe 8 one end and the external discharge pipeline is communicated, the external discharge pipeline is provided with the vacuum pump for pumping sewage, the top of the shell 1 is provided with the empty slot, the bottom of the cover plate 11 has the protruding structure matched with the empty slot, improves the stability after the installation of the cover plate 11.

[0045] The working principle of the above embodiment is:

[0046] The sewage enters the shell 1 inside through the sewage inlet 2, the filter screen 6 can intercept and filter the larger impurities in the sewage, when the sewage in the vacuum floor drain is more, the sewage enters the air pressure signal collection pipe 3 through the gap between the air pressure signal collection pipe 3 and the bottom of the shell 1, the water level in the air pressure signal collection pipe 3 rises, the gas is compressed, the air pressure increases, the air pressure sensor 15 can sense the change of the air pressure in the air pressure signal collection pipe 3 through the air pipe 4, when the air pressure sensor 15 senses that the air pressure reaches the preset discharge value of the control unit 14, the control unit 14 controls the discharge valve 13 to open, the external vacuum pump sucks away the sewage in the vacuum floor drain through the discharge pipeline and the vacuum lifting pipe 12, and the sucked sewage is discharged to the outside, when the sewage in the vacuum floor drain is less, the water level drops, the gas pressure in the air pressure signal collection pipe 3 becomes smaller, at this time, the air pressure sensor 15 senses that the air pressure reaches the preset stop discharge value, and the control unit 14 controls the discharge valve 13 to close immediately, the vacuum floor drain is disconnected with the vacuum discharge system, and the cycle is repeated.

[0047] It should be noted that in this paper, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitation, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0048] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A vacuum floor drain comprising a housing (1), characterized in that: One side of the shell (1) is provided with sewage inlet (2), the middle part of the shell (1) is provided with air pressure signal acquisition tube (3), the top end of the air pressure signal acquisition tube (3) is fixedly connected with air pipe (4), the side of the shell (1) away from the sewage inlet (2) is provided with air pipe hole (5), the air pipe (4) is stretched out outside the shell (1) through the air pipe hole (5), the filter screen (6) is arranged between the air pressure signal acquisition tube (3) and the sewage inlet (2), the side of the shell (1) away from the sewage inlet (2) is provided with drain outlet (7), the inside of the drain outlet (7) is provided with vacuum tube (8).

2. The vacuum floor drain of claim 1, wherein: The inside of the filter screen (6) is fixedly connected with the handle (9).

3. The vacuum drain according to claim 1, characterized in that: The bottom of the air pressure signal acquisition tube (3) is open, the open end of the bottom of the air pressure signal acquisition tube (3) is fixedly connected with the inner bottom wall of the shell (1), and a gap is left.

4. The vacuum drain of claim 1, wherein: The vacuum tube (8) is a bend pipe, and a gap is left between the bottom of the vacuum tube (8) and the inner bottom wall of the shell (1).

5. The vacuum drain according to claim 1, characterized in that: The bottom of the shell (1) near the sewage inlet (2) end is inclined upward by a certain angle.

6. The vacuum drain of claim 1, wherein: The end of the shell (1) near the sewage inlet (2) is fixedly connected with the supporting plate (10).

7. The vacuum drain of claim 1, wherein: The top end of the shell (1) is provided with the cover plate (11), and a plurality of strip-shaped openings are arranged at equal intervals in the inside of the cover plate (11).

8. The vacuum drain of claim 1, wherein: The shell (1) is made of corrosion-resistant metal material, and the inner wall of the shell (1) is coated with a rust-proof coating.

9. An intelligent drainage system comprising a vacuum floor drain, comprising a vacuum floor drain, a vacuum riser pipe (12), a drain valve (13), a control unit (14), a baroceptor (15), characterized in that: One end of the vacuum lifting pipe (12) is the vacuum tube (8), the vacuum lifting pipe (12) is connected with the discharge valve (13), the control unit (14) is connected with the vacuum floor drain and the discharge valve (13), the control unit (14) is built-in with the air pressure sensor (15), the air pressure sensor (15), the air pressure sensor (15) is connected with the air pipe (4).

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