Check valve and water pumping system
By introducing position detection and signal transmission devices into the reverse stop door, the problem of sewage return caused by the reverse stop door blockage is solved, real-time monitoring and control of the reverse stop door status is realized, and the sewage discharge efficiency of sewage treatment is improved.
Patent Information
- Application Number
- CN202422216934.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-10
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-09-10
AI Technical Summary
The water quality of domestic sewage tanks is poor, and the impurities in the sewage can easily cause the reverse stop door to be blocked, resulting in the reverse stop door not being completely closed, and some sewage returns, affecting the sewage discharge efficiency.
A reverse stop door system is designed, including a valve body, valve disc, position detection device and signal transmission device. The Hall position sensor is used to detect the opening of the valve disc and transmit information to the control room through a wireless signal transmitter. Observer can judge the status of the reverse stop door and maintain or switch pipelines.
Real-time monitoring and control of the reverse stop door status is realized, sewage return is avoided, and sewage discharge efficiency is improved.
Smart Images
Figure CN223191066U_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to the technical field of sewage treatment equipment, and in particular to a check valve and a pumping system. Background Art
[0002] In the related art, the water quality of the domestic sewage pool is poor, and the impurities in the sewage can easily cause the check valve on the pumping pipe to be blocked, making it impossible to close the check valve when it needs to be closed. Part of the sewage pumped by the sewage pump will flow back into the domestic sewage pool, affecting the sewage discharge efficiency. Utility Model Content
[0003] The purpose of the present disclosure is to provide a check valve and a water pumping system to solve the technical problems existing in the related art.
[0004] In order to achieve the above-mentioned objectives, the present disclosure provides a check valve in the first aspect, which includes a valve body, a valve flap, a position detection device and a signal transmission device, wherein the valve body has a valve cavity and an inlet channel and an outlet channel connected to the valve cavity; the valve flap is swingably arranged in the valve cavity, and the valve flap is used to close or open the inlet channel; the position detection device is arranged in the valve cavity, and is used to detect the opening of the valve flap; the signal transmission device is fixed outside the valve body and is electrically connected to the position detection device, and the signal transmission device is used to transmit the opening information obtained by the position detection device to the control room.
[0005] Optionally, the position detection device is a Hall position sensor, comprising a matched magnet and a Hall element, wherein the magnet is arranged on the valve flap, and the Hall element is arranged on the valve body.
[0006] Optionally, the valve body includes a valve main body and a valve cover, the valve cavity is arranged on the valve main body, the valve main body is provided with an opening connected to the valve cavity, the valve cover is detachably connected to the valve main body and sealed on the opening, and the Hall element is arranged on the valve cover.
[0007] Optionally, the signal transmission device is a wireless signal transmitter.
[0008] Optionally, the check valve further includes an elastic member, both ends of which are respectively connected to the valve flap and the valve body, and the elastic member is used to drive the valve flap to close the inlet channel.
[0009] Optionally, the check valve further includes a battery, which is disposed outside the valve body, and the position detection device and the signal transmission device are electrically connected to the battery.
[0010] In a second aspect, the present disclosure provides a water pumping system, comprising a water pumping pipeline, a water pump and the aforementioned check valve, wherein the water pump and the check valve are connected in series to the water pumping pipeline.
[0011] Optionally, the water pumping system further includes a controller, and the controller is electrically connected to the water pump.
[0012] Optionally, the water pumping pipeline includes a first water pumping pipeline, a second water pumping pipeline and a main pipeline, one end of the first water pumping pipeline and one end of the second water pumping pipeline are both connected to the main pipeline, and the first water pumping pipeline and the second water pumping pipeline are both connected in series with the water pump and the check valve.
[0013] Optionally, both the first water pumping pipeline and the second water pumping pipeline are provided with a switch valve, and the switch valve is electrically connected to the controller.
[0014] Through the above technical solution, the position detection device detects the current position of the valve disc to obtain the current opening of the valve disc. The valve disc opening information is transmitted to the control room via a signal transmission device. Observers in the control room can determine whether the check valve is open or fully closed by observing the valve disc opening information and the current state of the check valve (open or closed). For example, when the check valve is in the closed state, the valve disc opening information indicates that the valve disc is not in the closed position. In this case, it can be determined that the check valve is not fully closed. If the check valve opening information fluctuates back and forth, it indicates that the valve disc is frequently vibrating. If the observer learns that the check valve disc is not fully closed or is frequently vibrating, they can arrange for appropriate personnel to perform maintenance on the check valve, or close the pipeline where the check valve is located and activate a backup pipeline to ensure efficient sewage discharge from the domestic sewage pool.
[0015] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following detailed description, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:
[0017] Figure 1 Schematic diagram of the cross-sectional structure of a check valve provided in an exemplary embodiment of the present disclosure.
[0018] Figure 2 It is a partial structural schematic diagram of a water pumping system provided by an exemplary embodiment of the present disclosure.
[0019] Figure 3 Schematic diagram of control connections provided by an exemplary embodiment of the present disclosure.
[0020] Description of Reference Numerals
[0021] 100-check valve; 110-valve body; 111-valve chamber; 112-inlet channel; 113-outlet channel; 114-valve body; 115-valve cover; 120-valve disc;
[0022] 200-water pump;
[0023] 300-position detection device; 310-magnet; 320-Hall element;
[0024] 400-Signal transmission device;
[0025] 500-elastic parts;
[0026] 600-battery;
[0027] 700- pumping pipeline; 710- first pumping pipeline; 720- second pumping pipeline; 730- main pipeline;
[0028] 800-Switch valve.
[0029] 900-Controller. DETAILED DESCRIPTION
[0030] The following describes the specific embodiments of the present disclosure in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present disclosure and are not intended to limit the present disclosure.
[0031] In the description of this disclosure, it should be understood that the terms "inside" and "outside" refer to the inside and outside of the corresponding structural outline. In addition, the terms "first" and "second" are only used to distinguish one element from another and do not have order or importance.
[0032] It should also be noted that, in the description of this disclosure, unless otherwise expressly specified or limited, the terms "disposed," "connected," "connected," and "installed" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections via an intermediate medium, or internal connections between two components. Those skilled in the art will understand the specific meanings of these terms in this disclosure based on specific circumstances.
[0033] like Figures 1 to 3As shown, the present disclosure provides a check valve 100 on one hand, including a valve body 110, a valve flap 120, a position detection device 300 and a signal transmission device 400, the valve body 110 has a valve cavity 111 and an inlet channel 112 and an outlet channel 113 connected to the valve cavity 111; the valve flap 120 is swingably arranged in the valve cavity 111, and the valve flap 120 is used to close or open the inlet channel 112; the position detection device 300 is arranged in the valve cavity 111, and is used to detect the opening of the valve flap 120; the signal transmission device 400 is fixed to the outside of the valve body 110 and is electrically connected to the position detection device 300, and the signal transmission device 400 is used to transmit the opening information obtained by the position detection device 300 to the control room.
[0034] Through the above technical solution, the position detection device 300 detects the current position of the valve flap 120 to obtain the current opening information of the valve flap 120. The opening information of the valve flap 120 is transmitted to the control room via the signal transmission device 400. The observer in the control room can determine whether the check valve 100 is open or fully closed by observing the opening information of the valve flap 120 and the current state of the check valve 100 (open or closed). For example, when the check valve 100 is in the closed state, the opening information of the valve flap 120 indicates that the valve flap 120 is not in the closed position. In this case, it can be determined that the check valve 100 is not fully closed. If the opening information of the check valve 100 fluctuates back and forth, it indicates that the valve flap 120 is frequently vibrating. When the observer finds that the valve flap 120 of the check valve 100 is not completely closed or shakes frequently, he can arrange corresponding personnel to perform maintenance on the check valve 100, or close the pipeline where the check valve 100 is located and activate the spare pipeline to ensure the sewage discharge efficiency of the domestic sewage pool.
[0035] It should be noted that, in its natural state, the valve flap 120 can close the inlet channel 112 under its own gravity. When the pump 200 extracts sewage from the sewage tank, the impact of the sewage can open the inlet channel 112, allowing the inlet channel 112 to connect with the outlet channel 113 through the valve chamber 111. If the check valve 100 does not fully close when it should, it may be due to debris in the valve flap 120 that affects its normal closure. Therefore, replacing the check valve 100 or cleaning the debris inside the check valve 100 can restore the valve flap 120 to a state where it can close normally. In addition, the opening information is transmitted to the control room. Specifically, it can be transmitted to the control room's display screen, which displays the current check valve 100 number and opening information. Observers can determine the location of the check valve 100 based on its number. It can also be transmitted to the controller 900, which determines whether the check valve 100 is in an incompletely closed state. When the check valve 100 is in an incompletely closed state, the controller 900 can control the alarm connected to it to sound an alarm to remind the observer in the control room.
[0036] like Figure 1 As shown, in some optional embodiments, the position detection device 300 is a Hall position sensor, including a matched magnet 310 and a Hall element 320 , wherein the magnet 310 is disposed on the valve flap 120 , and the Hall element 320 is disposed on the valve body 110 .
[0037] The Hall element 320 of the Hall position sensor generates different signals when in different relative positions with the magnet 310, thereby obtaining the current opening of the valve disc 120. Furthermore, the use of a Hall position sensor is not affected by debris in the sewage, and the opening information is more accurate. Of course, in other embodiments, the position detection device 300 may also use an infrared distance sensor or an ultrasonic distance sensor.
[0038] like Figure 1 As shown, in order to facilitate the installation of the Hall position sensor and to handle foreign matter that affects the normal closing of the valve flap 120, in some optional embodiments, the valve body 110 includes a valve body 114 and a valve cover 115, the valve cavity 111 is arranged on the valve body 114, and the valve body 114 is provided with an opening connected to the valve cavity 111, the valve cover 115 is detachably connected to the valve body 114 and sealed on the opening, and the Hall element 320 is arranged on the valve cover 115.
[0039] After opening the valve cover 115 , foreign matter in the valve cavity 111 that may affect the normal closing of the valve disc 120 can be cleaned through the opening of the valve cavity 111 . At the same time, the Hall position sensor can also be conveniently installed and replaced.
[0040] In some optional implementations, the signal transmission device 400 is a wireless signal transmitter. Using a wireless signal transmitter can reduce wiring.
[0041] It should be noted that a wireless signal receiver matching the wireless signal transmitter is provided in the control room to receive the opening information sent by the wireless signal transmitter and display the received opening information on the display screen of the controller 900 .
[0042] Of course, in other embodiments, the signal transmission device 400 may also be a wired signal transmission device 400 , using a cable to connect the signal transmission to a display screen or other equipment in the control room.
[0043] like Figure 1 As shown, in order to reduce the probability of the valve flap 120 not closing tightly, in some optional embodiments, the check valve 100 also includes an elastic member 500, the two ends of the elastic member 500 are respectively connected to the valve flap 120 and the valve body 110, and the elastic member 500 is used to drive the valve flap 120 to close the inlet channel 112.
[0044] The elastic member 500 can provide elastic force for the valve flap 120 , so that the valve flap 120 can better press and seal the port of the inlet channel 112 to close the inlet channel 112 .
[0045] Optionally, the elastic member 500 may be a spring. At the same length, the spring may have a greater elastic force (compared with the spring sheet) so that the valve flap 120 can better close the inlet channel 112. Of course, in other embodiments, the elastic member 500 may be a spring sheet.
[0046] like Figure 1 As shown, in order to enable the position detection device 300 and the signal transmission device 400 to operate normally, in some optional embodiments, the check valve 100 also includes a battery 600, which is arranged outside the valve body 110, and the position detection device 300 and the signal transmission device 400 are electrically connected to the battery 600.
[0047] The battery 600 can be provided to power the position detection device 300 and the signal transmission device 400 without wiring, thereby reducing wiring and facilitating the transportation of the check valve 100 .
[0048] The battery 600 can be replenished with electric energy by charging or by replacing the battery 600, which is not specifically limited in this disclosure.
[0049] Of course, in other embodiments, the position detection device 300 and the signal transmission device can also be connected to the mains to achieve power supply. For example, the check valve 100 can be connected to the nearby water pump 200 to supply power to the position detection device 300 and the signal transmission device 400.
[0050] like Figure 2 and Figure 3 As shown, the present disclosure provides a water pumping system in a second aspect, which includes a water pumping pipeline 700 , a water pump 200 and the aforementioned check valve 100 , wherein the water pump 200 and the check valve 100 are connected in series to the water pumping pipeline 700 .
[0051] The pumping system is used to extract sewage from a domestic sewage tank. When the pump 200 is started, the pumped sewage can be transported along the pumping pipeline 700. In the direction of transport of the pumping pipeline 700, the check valve 100 is located downstream of the pump 200. The pumped sewage can act on the valve flap 120, causing the valve flap 120 to rotate, thereby releasing the blockage of the inlet channel 112. When the pump 200 is stopped, the valve flap 120 can re-block the inlet channel 112 under the action of gravity or the combined action of gravity and the elastic member 500 to prevent the sewage from flowing back into the domestic sewage tank. Furthermore, after the pump 200 is started, an observer in the control room can determine whether the check valve 100 is normally open by obtaining information about the opening of the valve flap 120. After the pump 200 is stopped, the observer can determine whether the check valve 100 is normally closed by obtaining information about the opening of the valve flap 120.
[0052] like Figure 3 As shown, in some optional embodiments, the water pumping system further includes a controller 900, which is electrically connected to the water pump 200. The controller 900 can control the start or stop of the water pump 200 as needed.
[0053] like Figure 2 As shown, in some optional embodiments, the water pumping pipeline 700 includes a first water pumping pipeline 710, a second water pumping pipeline 720 and a main pipeline 730, one end of the first water pumping pipeline 710 and one end of the second water pumping pipeline 720 are both connected to the main pipeline 730, and the first water pumping pipeline 710 and the second water pumping pipeline 720 are both connected in series with a water pump 200 and a check valve 100.
[0054] The first pumping pipeline 710 and the second pumping pipeline 720 are both located in the domestic sewage pool at one end away from the main pipeline 730. Among them, the second pumping pipeline 720 can be used as a backup pipeline. During normal pumping, only the first pumping pipeline 710 is used, that is, only the pumping pump 200 on the first pipeline is started. When the operator finds that the check valve 100 on the first pumping pipeline 710 is abnormal (unable to be completely closed or frequently shaking) or the pump is not outputting power, the controller 900 can be used to stop the pumping pump 200 on the first pumping pipeline 710 and start the pumping pump 200 on the second pumping pipeline 720, that is, switch to using the backup pipeline, so as to ensure the sewage discharge efficiency while also being able to inspect and repair the check valve 100 on the first pumping pipeline 710.
[0055] like Figure 2 and Figure 3 As shown, in some optional embodiments, the first water pumping pipeline 710 and the second water pumping pipeline 720 are both provided with a switch valve 800 , and the switch valve 800 is electrically connected to the controller 900 .
[0056] The controller 900 can control the opening or closing of the switch valve 800. When the first pumping pipeline 710 is activated, the switch valve 800 on the first pumping pipeline 710 can be controlled to open, and the switch valve 800 on the second pumping pipeline 720 can be controlled to close. When the second pumping pipeline 720 is activated, the switch valve 800 on the second pumping pipeline 720 can be controlled to open, and the switch valve 800 on the first pumping pipeline 710 can be controlled to close.
[0057] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details of the above embodiments. Within the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure, and these simple modifications all fall within the scope of protection of the present disclosure.
[0058] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. To avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.
[0059] In addition, the various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.
Claims
1. A check valve, characterized in that: include: a valve body having a valve cavity and an inlet channel and an outlet channel communicating with the valve cavity; a valve flap, swingably disposed in the valve cavity, the valve flap being used to close or open the inlet channel; a position detection device, disposed in the valve cavity, for detecting the opening of the valve disc; and A signal transmission device is fixed outside the valve body and electrically connected to the position detection device. The signal transmission device is used to transmit the opening information obtained by the position detection device to the control room.
2. The check valve according to claim 1, characterized in that: The position detection device is a Hall position sensor, which includes a matched magnet and a Hall element. The magnet is arranged on the valve flap, and the Hall element is arranged on the valve body.
3. The check valve according to claim 2, characterized in that: The valve body includes a valve main body and a valve cover, the valve cavity is arranged on the valve main body, the valve main body is provided with an opening connected to the valve cavity, the valve cover is detachably connected to the valve main body and sealed on the opening, and the Hall element is arranged on the valve cover.
4. The check valve according to claim 1, characterized in that: The signal transmission device is a wireless signal transmitter.
5. The check valve according to claim 1, characterized in that: The check valve further comprises an elastic member, both ends of which are connected to the valve flap and the valve body respectively, and the elastic member is used to drive the valve flap to close the inlet channel.
6. The check valve according to claim 2, characterized in that: The check valve further includes a battery, which is disposed outside the valve body. The position detection device and the signal transmission device are electrically connected to the battery.
7. A pumping system, characterized in that: The invention comprises a water pumping pipeline, a water pump and a check valve according to any one of claims 1 to 6, wherein the water pump and the check valve are connected in series on the water pumping pipeline.
8. The water pumping system according to claim 7, characterized in that: The water pumping system further includes a controller, which is electrically connected to the water pump.
9. The water pumping system according to claim 8, characterized in that: The water pumping pipeline includes a first water pumping pipeline, a second water pumping pipeline and a main pipeline. One end of the first water pumping pipeline and one end of the second water pumping pipeline are both connected to the main pipeline. The first water pumping pipeline and the second water pumping pipeline are both connected in series with the water pump and the check valve.
10. The water pumping system according to claim 9, characterized in that: The first water pumping pipeline and the second water pumping pipeline are both provided with a switch valve, and the switch valve is electrically connected to the controller.