CN113235700A - Gravity drainage anti-backflow system - Google Patents
Gravity drainage anti-backflow system Download PDFInfo
- Publication number
- CN113235700A CN113235700A CN202110552386.7A CN202110552386A CN113235700A CN 113235700 A CN113235700 A CN 113235700A CN 202110552386 A CN202110552386 A CN 202110552386A CN 113235700 A CN113235700 A CN 113235700A
- Authority
- CN
- China
- Prior art keywords
- liquid level
- backflow
- signal
- detection device
- gravity drainage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005484 gravity Effects 0.000 title claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 49
- 230000002265 prevention Effects 0.000 claims abstract description 27
- 230000004044 response Effects 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 230000011664 signaling Effects 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 9
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 239000003657 drainage water Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/122—Pipe-line systems for waste water in building
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/122—Pipe-line systems for waste water in building
- E03C1/1222—Arrangements of devices in domestic waste water pipe-line systems
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
- E03C1/26—Object-catching inserts or similar devices for waste pipes or outlets
- E03C1/264—Separate sieves or similar object-catching inserts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The invention discloses a gravity drainage backflow prevention system, which comprises a backflow prevention detection device, a backflow detection signal forwarding subsystem and a response subsystem; the backflow-preventing detection device comprises a liquid level detection device for detecting the liquid level of the backflow-preventing water, the liquid level detection device is positioned on the backflow-preventing monitoring branch pipe, the lower end of the backflow-preventing monitoring branch pipe is communicated with the gravity drainage pipe, and the backflow-preventing detection device sends a liquid level signal of the liquid level detection device; the backflow detection signal forwarding subsystem is used for receiving and processing the liquid level signal and sending the processed liquid level signal to the response subsystem; the response subsystem is used for receiving the processed liquid level signal and controlling the alarm module and/or the execution module, and the execution module comprises an electric control valve connected in series with a water supply pipeline. The invention can monitor whether the gravity drainage pipeline is blocked in real time, and can alarm and cut off water supply when the blockage occurs.
Description
Technical Field
The invention relates to the technical field of water supply and drainage, in particular to a gravity drainage backflow preventing system.
Background
Gravity drainage refers to drainage by utilizing water potential generated by gravity, water is not pressurized in the drainage process, and the purpose of drainage is achieved only by utilizing gravity flow borne by fluid, and a gravity drainage system is commonly used for domestic drainage of buildings.
At present, a gravity drainage system in a building usually shares one drainage pipeline with multiple floors or drainage rooms, and in the long-term use process, the pipeline is influenced by factors such as pipeline quality, drainage water quality and the like and is likely to be blocked, so that drainage is not smooth, sewage and wastewater are caused to flow back into buildings at the downstream of the pipeline, the functions and use of the buildings are seriously influenced, property loss and property dispute are caused, and therefore, the problem that the pipeline is blocked and corresponding measures are adopted in time is urgently needed to be solved.
Disclosure of Invention
The invention aims to provide a gravity drainage backflow prevention system which can monitor whether a gravity drainage pipeline is blocked or not in real time, and can give an alarm and cut off water supply when the blockage occurs.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
the invention discloses a gravity drainage backflow prevention system which comprises a backflow prevention detection device, a backflow detection signal forwarding subsystem and a response subsystem;
the backflow prevention detection device comprises a liquid level detection device for detecting the backflow water liquid level, the liquid level detection device is positioned on the backflow prevention monitoring branch pipe, the lower end of the backflow prevention monitoring branch pipe is communicated with the gravity drainage pipe, and the backflow prevention detection device sends a liquid level signal of the liquid level detection device;
the backflow detection signal forwarding subsystem is used for receiving and processing the liquid level signal and sending the processed liquid level signal to the response subsystem;
the response subsystem is used for receiving the processed liquid level signal and controlling the alarm module and/or the execution module, and the execution module comprises an electric control valve connected in series with a water supply pipeline.
Preferably, the backflow detection signal forwarding subsystem comprises an isolation module, a signal shaping circuit, a level conversion circuit and a signal sending module which are connected in sequence, and the liquid level signal is connected with the input end of the signal shaping circuit.
Preferably, the signal transmission module is connected with the response subsystem in a wired and/or wireless mode.
As another preferable mode, the signal sending module is connected with the response subsystem through a cloud terminal.
Preferably, the response subsystem comprises a smartphone and/or a computer.
Further, the branch pipe is provided with a radial filter screen, and the radial filter screen is positioned below the liquid level detection device; the branch pipe is provided with a transparent observation window which is positioned below the liquid level detection device, or the branch pipe is a transparent pipe.
Furthermore, the invention also comprises a pressure sensor and a combustible gas sensor, wherein the pressure sensor and the combustible gas sensor are positioned in the backflow-preventing monitoring branch pipe, the pressure sensor and the combustible gas sensor are positioned above the liquid level detection device, the pressure sensor and the combustible gas sensor are connected with a data processing unit, and the data processing unit is connected with the signal sending module.
Preferably, the data processing unit comprises a filtering unit, the pressure sensor and the combustible gas sensor are connected with the filtering unit through a multi-way switch, the filtering unit is connected with the amplifying unit, the amplifying unit is connected with the A/D conversion unit, the A/D conversion unit is connected with the MCU, the MCU is connected with the signal transmitting module, and the multi-way switch is controlled by the MCU.
Preferably, the response subsystem monitors the received processed liquid level signal, and controls the alarm module to give an alarm and/or controls the execution module to close the electric control valve when the processed liquid level signal is kept effective within a preset delay time.
Preferably, the smart phone and/or the computer receive the pressure value and the combustible gas content which are transmitted by the signal sending module and processed by the data processing unit, and send out an alarm signal when the pressure value and/or the combustible gas content are/is greater than a set value.
The invention adopts the branch pipe connected with the gravity drainage pipe to accommodate partial backward water when the gravity drainage system performs backward water, and when the branch pipe internally has backward water, the output signal of the liquid level detection device changes and is sent to the control unit; after the control unit receives the backflow signal, the control alarm unit is controlled to give an alarm, and the electric control valve can be controlled to cut off water supply.
The invention can also monitor the gas pressure in the branch pipe in real time, and when the gas pressure in the branch pipe in the gravity drainage system is too high, the control unit can control the alarm unit to give an alarm; can avoid the harm caused by excessive gas generated by biomass and the like due to blockage of a gravity drainage pipeline and the like.
The invention can also monitor the content of the combustible gas in the branch pipe in real time, and can send out an alarm signal when the content of the combustible gas is more than a set value, thereby avoiding the occurrence of disastrous accidents such as deflagration and the like in the gravity drainage system.
Drawings
FIG. 1 is a system framework diagram of the present invention;
FIG. 2 is an electrical schematic block diagram of the present invention;
FIG. 3 is a schematic structural diagram of the liquid level detection apparatus.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the gravity drainage backflow prevention system disclosed by the present invention includes a backflow prevention detection device, a backflow detection signal forwarding subsystem, and a response subsystem.
Specifically, as shown in fig. 2, the backflow prevention detection device includes a liquid level detection device for detecting a liquid level of the backflow water, and the backflow prevention detection device sends a liquid level signal of the liquid level detection device;
the backflow detection signal forwarding subsystem is used for receiving and processing the liquid level signal and sending the processed liquid level signal to the response subsystem;
the response subsystem is used for receiving the processed liquid level signal and controlling the alarm module and/or the execution module, and the execution module comprises an electric control valve connected in series with a water supply pipeline.
The backflow detection signal forwarding subsystem comprises an isolation module, a signal shaping circuit, a level conversion circuit and a signal sending module which are sequentially connected, and a liquid level signal is connected with the input end of the signal shaping circuit.
The signal sending module is connected with the response subsystem in a wired and/or wireless way; or the signal sending module is connected with the response subsystem through the cloud end.
The response subsystem includes a smartphone and/or a computer.
The response subsystem monitors the received processed liquid level signal, and controls the alarm module to give an alarm and/or controls the execution module to close the electric control valve when the processed liquid level signal is kept effective within a preset delay time.
The pressure sensor and the combustible gas sensor are connected with the data processing unit, and the data processing unit is connected with the signal sending module; the data processing unit comprises a filtering unit, the pressure sensor and the combustible gas sensor are connected with the filtering unit through a multi-way switch, the filtering unit is connected with the amplifying unit, the amplifying unit is connected with the A/D conversion unit, the A/D conversion unit is connected with the MCU, the MCU is connected with the signal transmitting module, and the multi-way switch is controlled by the MCU.
The smart phone and/or the computer receive the pressure value and the combustible gas content which are transmitted by the signal sending module and processed by the data processing unit, and send out an alarm signal when the pressure value and/or the combustible gas content are/is greater than a set value.
As shown in fig. 3, the liquid level detection device is located the monitoring branch pipe that prevents flowing backward, and the both ends of three-way pipe 3 concatenate in the vertical section of gravity drainage pipe 1, and branch pipe 2 includes return bend 21, and the third end of three-way pipe 3 is connected to the lower extreme of return bend 21, and the one end of stop valve 4 is connected to the upper end of return bend 21, and the lower extreme of the vertical section of branch pipe 2 is connected to the other end of stop valve 4, and the upper end of the vertical section of branch pipe 2 sets up shrouding 8, and shrouding 8 passes through the upper end sealing connection of the vertical section of bolt 10 with branch pipe 2.
The vertical section of branch pipe 2 adopts transparent material, perhaps, the vertical section of branch pipe 2 sets up transparent observation window 7, and transparent observation window 7 is located liquid level detection device's below and can see through transparent observation window 7 whether filter screen 6 blocks up.
The present invention is capable of other embodiments, and various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. Gravity drainage anti-backflow system, its characterized in that: the system comprises a backflow prevention detection device, a backflow detection signal forwarding subsystem and a response subsystem;
the backflow prevention detection device comprises a liquid level detection device for detecting the backflow water liquid level, the liquid level detection device is positioned on the backflow prevention monitoring branch pipe, the lower end of the backflow prevention monitoring branch pipe is communicated with the gravity drainage pipe, and the backflow prevention detection device sends a liquid level signal of the liquid level detection device;
the backflow detection signal forwarding subsystem is used for receiving and processing the liquid level signal and sending the processed liquid level signal to the response subsystem;
the response subsystem is used for receiving the processed liquid level signal and controlling the alarm module and/or the execution module, and the execution module comprises an electric control valve connected in series with a water supply pipeline.
2. The gravity drainage backflow prevention system according to claim 1, wherein: the backflow detection signal forwarding subsystem comprises an isolation module, a signal shaping circuit, a level conversion circuit and a signal sending module which are sequentially connected, wherein the liquid level signal is connected with the input end of the signal shaping circuit.
3. The gravity drainage backflow prevention system according to claim 2, wherein: the signal sending module is connected with the response subsystem in a wired and/or wireless mode.
4. The gravity drainage backflow prevention system according to claim 2, wherein: the signal sending module is connected with the response subsystem through a cloud end.
5. The gravity drainage backflow prevention system according to claim 2, wherein: the response subsystem comprises a smart phone and/or a computer.
6. The gravity drainage backflow prevention system according to claim 1, wherein: the branch pipe is provided with a radial filter screen which is positioned below the liquid level detection device; the branch pipe is provided with a transparent observation window which is positioned below the liquid level detection device, or the branch pipe is a transparent pipe.
7. The gravity drainage backflow prevention system according to claim 5, wherein: the liquid level detection device is characterized by further comprising a pressure sensor and a combustible gas sensor, wherein the pressure sensor and the combustible gas sensor are located in the backflow prevention monitoring branch pipe, the pressure sensor and the combustible gas sensor are located above the liquid level detection device, the pressure sensor and the combustible gas sensor are connected with a data processing unit, and the data processing unit is connected with a signal sending module.
8. The gravity drainage backflow prevention system according to claim 7, wherein: the data processing unit comprises a filtering unit, the pressure sensor and the combustible gas sensor are connected with the filtering unit through a multi-way switch, the filtering unit is connected with the amplifying unit, the amplifying unit is connected with the A/D conversion unit, the A/D conversion unit is connected with the MCU, the MCU is connected with the signal transmitting module, and the multi-way switch is controlled by the MCU.
9. A gravity drainage anti-backflow system according to any one of claims 1-6, wherein: the response subsystem monitors the received processed liquid level signal, and controls the alarm module to give an alarm and/or controls the execution module to close the electric control valve when the processed liquid level signal is kept effective within a preset delay time.
10. A gravity drainage backflow prevention system according to claim 7 or 8, wherein: the smart phone and/or the computer receive the pressure value and the combustible gas content which are transmitted by the signal sending module and processed by the data processing unit, and send out an alarm signal when the pressure value and/or the combustible gas content are/is larger than a set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110552386.7A CN113235700A (en) | 2021-05-20 | 2021-05-20 | Gravity drainage anti-backflow system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110552386.7A CN113235700A (en) | 2021-05-20 | 2021-05-20 | Gravity drainage anti-backflow system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113235700A true CN113235700A (en) | 2021-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110552386.7A Pending CN113235700A (en) | 2021-05-20 | 2021-05-20 | Gravity drainage anti-backflow system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113235700A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6584997B1 (en) * | 1998-03-30 | 2003-07-01 | Caterpillar Inc. | Overflow prevention mechanism for liquid transfer systems |
| CN201649263U (en) * | 2009-11-25 | 2010-11-24 | 河北建投宝塑管业有限公司 | Anti-clogging building sewer pipe system |
| CN204311519U (en) * | 2014-11-12 | 2015-05-06 | 湖南中天塑胶制造（集团）有限公司 | A kind of water service pipe being convenient to monitor |
| CN106337485A (en) * | 2016-09-28 | 2017-01-18 | 山东华旗新能源科技有限公司 | Intelligent drainage network system and method for road safety |
| CN108062064A (en) * | 2017-12-21 | 2018-05-22 | 沈阳建筑大学 | A kind of intelligent control water system |
| CN208293683U (en) * | 2018-04-13 | 2018-12-28 | 上海盛欢建筑装潢有限公司 | A kind of drainpipe of reverse-filling |
| CN110057422A (en) * | 2019-05-31 | 2019-07-26 | 成都基准方中建筑设计有限公司 | Gravity drainage pipeline anti-effect returning water flows backward warning device and alarm system |
| CN209485477U (en) * | 2018-12-17 | 2019-10-11 | 广西电网有限责任公司梧州供电局 | A kind of transformer substation flood prevention on-Line Monitor Device |
| CN110967095A (en) * | 2019-11-13 | 2020-04-07 | 杭州电子科技大学 | Sewer sewage back-flowing alarm device |
| CN212336196U (en) * | 2020-07-01 | 2021-01-12 | 四川环宇建筑设计有限公司 | Flood-proof pipe and drainage flood-proof structure |
-
2021
- 2021-05-20 CN CN202110552386.7A patent/CN113235700A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6584997B1 (en) * | 1998-03-30 | 2003-07-01 | Caterpillar Inc. | Overflow prevention mechanism for liquid transfer systems |
| CN201649263U (en) * | 2009-11-25 | 2010-11-24 | 河北建投宝塑管业有限公司 | Anti-clogging building sewer pipe system |
| CN204311519U (en) * | 2014-11-12 | 2015-05-06 | 湖南中天塑胶制造（集团）有限公司 | A kind of water service pipe being convenient to monitor |
| CN106337485A (en) * | 2016-09-28 | 2017-01-18 | 山东华旗新能源科技有限公司 | Intelligent drainage network system and method for road safety |
| CN108062064A (en) * | 2017-12-21 | 2018-05-22 | 沈阳建筑大学 | A kind of intelligent control water system |
| CN208293683U (en) * | 2018-04-13 | 2018-12-28 | 上海盛欢建筑装潢有限公司 | A kind of drainpipe of reverse-filling |
| CN209485477U (en) * | 2018-12-17 | 2019-10-11 | 广西电网有限责任公司梧州供电局 | A kind of transformer substation flood prevention on-Line Monitor Device |
| CN110057422A (en) * | 2019-05-31 | 2019-07-26 | 成都基准方中建筑设计有限公司 | Gravity drainage pipeline anti-effect returning water flows backward warning device and alarm system |
| CN110967095A (en) * | 2019-11-13 | 2020-04-07 | 杭州电子科技大学 | Sewer sewage back-flowing alarm device |
| CN212336196U (en) * | 2020-07-01 | 2021-01-12 | 四川环宇建筑设计有限公司 | Flood-proof pipe and drainage flood-proof structure |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210810 |
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| RJ01 | Rejection of invention patent application after publication |