CN113775940A - Urban underground fire-fighting pipeline leakage positioning system and construction method thereof - Google Patents
Urban underground fire-fighting pipeline leakage positioning system and construction method thereof Download PDFInfo
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- CN113775940A CN113775940A CN202110889396.XA CN202110889396A CN113775940A CN 113775940 A CN113775940 A CN 113775940A CN 202110889396 A CN202110889396 A CN 202110889396A CN 113775940 A CN113775940 A CN 113775940A
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- 238000010276 construction Methods 0.000 title abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000003860 storage Methods 0.000 claims abstract description 23
- 230000006698 induction Effects 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 7
- 238000003466 welding Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 230000004044 response Effects 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000004568 cement Substances 0.000 claims description 6
- 239000002994 raw material Substances 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 239000004576 sand Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 238000005520 cutting process Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- 230000005484 gravity Effects 0.000 abstract description 4
- 239000012466 permeate Substances 0.000 abstract 1
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
- F17D5/06—Preventing, monitoring, or locating loss using electric or acoustic means
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/10—Cleaning arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses an urban underground fire pipeline leakage positioning system and a construction method thereof, wherein the urban underground fire pipeline leakage positioning system comprises a concrete body, a fixing box is embedded in the concrete body, a water pipe penetrates through and is fixed on the fixing box, a plurality of partition plates are welded on the fixing box at equal intervals and penetrate through the water pipe, a water pump is fixed on the top wall of the concrete body and penetrates through and is fixed with the water pipe, a fixing rod is welded on the top wall of the fixing box, the adjacent partition plates jointly form an induction cavity, and the fixing rod is connected with an electric power storage device. Has the advantages that: through setting up tablet and first switch isotructure for when the condition of leaking appears in a certain department of water pipe, make the tablet move down through the gravity of water, when the tablet touches first switch, switch on the power of alarm through first switch this moment, thereby permeate the position display of revealing of position display device with the water pipe when passing through, the staff of being convenient for handles.
Description
Technical Field
The invention relates to the technical field of underground fire fighting pipelines, in particular to a leakage positioning system for an urban underground fire fighting pipeline and a construction method thereof.
Background
Fire-fighting pipeline is used for connecting fire-fighting equipment, carry the fire control water of putting out a fire, the main fire-fighting aspect of pipeline material of gas or other medium, some fire-fighting pipelines bury underground with the underground, city underground drainage pipe is intricate complicated, use and ageing along with drainage pipe's frequent drainage, drainage pipe leakage problem often takes place, the seepage in-process can cause the wasting of valuable water resource, and certain economic loss that can cause behind the drainage pipe seepage, make drainage pipe leakage problem must arouse sufficient attention.
The leakage positioning system for the urban underground fire fighting pipeline and the construction method thereof are based on the fact that the leakage of the drainage pipeline is not easy to find due to the fact that the drainage pipeline is arranged below a wall body or a floor, and a leakage point is not easy to check after the leakage occurs, so that certain waste of water resources is caused.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, leakage of a drainage pipeline is not easy to find, and leakage points are not easy to check after leakage occurs, so that certain water resources are wasted, and the urban underground fire fighting pipeline leakage positioning system and the construction method thereof are provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a city underground fire pipeline seepage positioning system, includes the concrete body, fixed case has been buried underground in the concrete body, fixed case runs through and is fixed with the water pipe, the equidistant welding of fixed case has a plurality of baffles, and is a plurality of the baffle all runs through the water pipe, the roof of concrete body is fixed with the water pump, the water pump runs through fixedly with the water pipe, the roof welding of fixed case has the dead lever, and is adjacent the response chamber is constituteed jointly to the baffle, the dead lever is connected with power storage device, induction system is connected to the response intracavity.
In foretell an urban underground fire control pipeline seepage positioning system, power storage device includes solar panel, the roof fixed connection of solar panel and dead lever, solar panel's roof is fixed with the bearing, the bearing rotates and is connected with the axis of rotation, the roof symmetrical welding of axis of rotation has two blades and two fixed plates, the diapire of fixed plate all veneer is fixed with clean handle, solar panel's diapire is fixed and is provided with battery body.
In foretell an urban underground fire fighting pipeline seepage positioning system, induction system includes a plurality of tablet, and is a plurality of tablet sealing sliding connection is respectively at the lateral wall in response chamber, the diapire welded fastening in response chamber has the spring, the other end of spring all with the diapire welded fastening of tablet, the symmetry lateral wall in response chamber all is fixed with the fixed block, one of them the roof of fixed block is fixed with first switch, another the roof of fixed block is fixed with the second switch, the diapire in response chamber all is fixed with the alarm.
In foretell an underground fire control pipeline leakage positioning system in city, first switch and second switch all are located the diapire of tablet, first switch and alarm electric connection, second switch and water pump electric connection.
In foretell an urban underground fire control pipeline seepage positioning system, clean the roof that offsets with solar panel, solar panel and battery body electric connection, battery body and a plurality of alarm electric connection.
In foretell an underground fire control pipeline leakage positioning system in city, still including being used for showing the seepage position display device of water pipe seepage position, seepage position display device electric connection has wireless transceiver module, wireless transceiver module is with a plurality of alarm electric connection.
In the urban underground fire fighting pipeline leakage positioning system, the concrete body is embedded with the wires, and the outer sides of the wires are provided with the waterproof layers.
A construction method of an urban underground fire fighting pipeline is provided, and a leakage positioning system of the urban underground fire fighting pipeline is installed, and the method comprises the following steps:
s1, preparing: the lateral wall with the water pipe runs through the veneer and is fixed with a plurality of baffles, and a plurality of baffles are equidistant to be set up, then with the lateral wall welded fastening of fixed case with the baffle to make the water pipe pass fixed case, have the dead lever in the roof welding of fixed case, fix solar panel and fixed case, be provided with induction system and power storage device in the fixed case this moment.
S2, pouring a concrete bottom layer: the ground is cut into a pit, raw materials such as stones, cement, water and the like are stirred and mixed according to a certain proportion, after the mixing is finished, a spade is used for flatly paving the mixed raw materials at the bottom of the pit bottom to form a concrete bottom layer, and the top wall of the concrete bottom layer is sealed and covered with an SBS waterproof roll to form a waterproof layer.
S3, burying: wait for a plurality of hours, after the concrete solidifies, place fixed case just on the concrete bottom to place the wire be connected in the waterproof layer with the alarm and with battery body, stretch out the both ends export of water pipe to the pot head, continue to make the concrete, stir the mixture according to certain proportion with stone, cement, water and sand etc. and tile the roof at fixed case after the mixture finishes.
And S4, ending: in the process of laying, pay attention to terrace height standard around for solar panel and blade are in the top of concrete, wait for a plurality of hours after the concrete solidifies, fix the roof at the concrete with the water pump, are connected fixedly with the water pump with the one end that the water pipe stretches out.
Compared with the prior art, the invention has the advantages that:
1: through setting up solar panel, fan and bearing isotructure for solar panel absorbs light energy and turns into the electric energy with light energy and saves, when the car traveles on the road, when passing the blade, will drive the blade and rotate under the effect of distinguished and admirable, thereby make the axis of rotation drive the fixed plate and rotate, make the cleanness clean solar panel, make solar panel can be in the operating condition of preferred all the time.
2: through setting up spring, baffle, second switch isotructure, equidistant multistage is separated into with the water pipe to the baffle, when the condition of leaking appears in certain section, under the effect of the impact force of rivers itself and the gravity of water itself in the water pipe this moment, the tablet will move down, when touching the second switch, the second switch will act on the water pump, makes its stop work, avoids continuously leaking water pressure and causes the damage to the stationary box.
3: through setting up first switch, alarm isotructure, when a certain section of water pipe leaked, the tablet in the response intracavity moved down this moment and touches first switch, and the alarm will send the warning to give wireless transceiver module with the signal transmission, wireless transceiver module gives penetrating position display device with data transfer, thereby makes the staff confirm the position that leaks.
Drawings
FIG. 1 is a schematic structural diagram of a leakage positioning system for an underground fire-fighting pipeline in a city according to the present invention;
FIG. 2 is an enlarged schematic view of part A of the leakage positioning system for the underground fire-fighting pipeline in the city according to the present invention;
FIG. 3 is an enlarged schematic view of part B of the leakage positioning system for the underground fire-fighting pipeline in the city according to the present invention;
FIG. 4 is a flow chart of the working principle of the leakage positioning system for the underground fire-fighting pipeline in the city according to the present invention;
FIG. 5 is a flow chart of a construction method of an underground fire-fighting pipeline in the city according to the present invention.
In the figure: the device comprises a fixed box 1, a water pipe 2, a partition plate 3, a concrete body 4, a water pump 5, a fixed rod 6, a solar panel 7, a bearing 8, a rotating shaft 9, blades 10, a fixed plate 11, a cleaning handle 12, an induction plate 13, a spring 14, a fixed block 15, a first switch 16, a second switch 17, an alarm 18, a storage battery body 19 and an induction cavity 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a city underground fire pipeline seepage positioning system, including concrete body 4, fixed case 1 has been buried underground in concrete body 4, fixed case 1 runs through to be fixed with water pipe 2, fixed case 1 equidistant welding has a plurality of baffles 3, baffle 3 separates into equidistant multistage with water pipe 2, be convenient for reveal the back to the location of revealing the position, a plurality of baffles 3 all run through water pipe 2, concrete body 4's roof is fixed with water pump 5, water pump 5 is used for the work of drawing water, water pump 5 runs through fixedly with water pipe 2, the roof welding of fixed case 1 has dead lever 6, induction chamber 20 is constituteed jointly to adjacent baffle 3, dead lever 6 is connected with power storage device, 20 in-connection induction system of induction chamber.
The electric power storage device comprises a solar panel 7, the solar panel 7 is fixedly connected with the top wall of a fixing rod 6, a bearing 8 is fixed on the top wall of the solar panel 7, the bearing 8 is rotatably connected with a rotating shaft 9, when blades 10 rotate, the rotating shaft 9 is allowed to rotate through the action of the bearing 8 so as to drive a cleaning handle 12 to rotate, the top wall of the rotating shaft 9 is symmetrically welded with two blades 10 and two fixing plates 11, the bottom walls of the fixing plates 11 are fixedly glued with the cleaning handle 12, a storage battery body 19 is fixedly arranged on the bottom wall of the solar panel 7, the solar panel 7 absorbs light energy and converts the light energy into electric energy and transmits the electric energy into the storage battery body 19 for storage, when an automobile runs on the road, the blades 10 rotate under the action of wind flow when passing through the solar panel 7, so that the rotating shaft 9 drives the fixing plates 11 to rotate, so that the cleaning handle 12 cleans the solar panel 7, the dust on the surface of the solar panel 7 is swept away, and the solar panel 7 is cleaned, so that the solar panel 7 can be always in a better working state.
The sensing device comprises a plurality of sensing plates 13, the sensing plates 13 are respectively connected to the side walls of a sensing cavity 20 in a sealing and sliding mode, springs 14 are fixed to the bottom wall of the sensing cavity 20 in a welding mode, after the position of leakage of the water pipe 2 is processed and accumulated water in the sensing cavity 20 is discharged, the sensing plates 13 are enabled to be restored to the original position under the action of the springs 14, therefore, the detection work of the position of leakage is facilitated next time, the other ends of the springs 14 are fixed to the bottom wall of the sensing plates 13 in a welding mode, fixing blocks 15 are fixed to the symmetrical side walls of the sensing cavity 20, a first switch 16 is fixed to the top wall of one fixing block 15, a second switch 17 is fixed to the top wall of the other fixing block 15, an alarm 18 is fixed to the bottom wall of the sensing cavity 20, when water leakage occurs in a certain section, the sensing plates 13 move downwards under the impact force of water flow in the water pipe 2 and the gravity of the water flow at the moment, when touching second switch 17, second switch 17 will act on water pump 5, makes its stop work, avoids continuously leaking the water pressure and causes the damage to fixed case 1 to avoid leaking the continuous waste of back water resource, comparatively environmental protection.
The first switch 16 and the second switch 17 are both positioned on the bottom wall of the induction plate 13, the first switch 16 is electrically connected with the alarm 18, the storage battery body 19 supplies power to the alarm 18 to avoid the waste of external power, the second switch 17 is electrically connected with the water pump 5, the cleaning handle 12 is abutted against the top wall of the solar panel 7, the solar panel 7 is electrically connected with the storage battery body 19, the storage battery body 19 is electrically connected with the plurality of alarms 18, the water pipe leakage monitoring device further comprises a leakage position display device for displaying the leakage position of the water pipe 2, the leakage position display device is electrically connected with a wireless transceiver module, the wireless transceiver module is electrically connected with the plurality of alarms 18, when a certain section of the water pipe 2 leaks, the induction plate 13 in the induction cavity 20 moves downwards to touch the first switch 16 at the moment, the alarm 18 sends out an alarm when a circuit is switched on, and transmits a signal to the wireless transceiver module, the wireless transceiver module transmits the data to the leakage position display device, therefore, the worker can confirm the position of the water leakage, the lead is embedded in the concrete body 4, the waterproof layer is arranged on the outer side of the lead, the lead is protected, and the electric shock phenomenon caused by the water leakage of the lead is avoided.
A construction method of an urban underground fire fighting pipeline is provided, and a leakage positioning system of the urban underground fire fighting pipeline is installed, and the method comprises the following steps:
s1, preparing: the lateral wall of 2 with the water pipe runs through the veneer and is fixed with a plurality of baffles 3, and a plurality of baffles 3 equidistant set up, then with fixed case 1 with the lateral wall welded fastening of baffle 3 to make 2 of water pipe pass fixed case 1, weld at the roof of fixed case 1 and have dead lever 6, fix solar panel 7 and fixed case 1, be provided with induction system and power storage device in the fixed case 1 this moment.
S2, pouring a concrete bottom layer: the ground is cut into a pit, raw materials such as stones, cement, water and the like are stirred and mixed according to a certain proportion, after the mixing is finished, a spade is used for flatly paving the mixed raw materials at the bottom of the pit bottom to form a concrete bottom layer, and the top wall of the concrete bottom layer is sealed and covered with an SBS waterproof roll to form a waterproof layer.
S3, burying: wait for a plurality of hours, after the concrete solidifies, place fixed case 1 on just the concrete bottom to place the wire of being connected in the waterproof layer with alarm 18 and with battery body 19, stretch out the both ends export of water pipe 2 to the pot body, continue to make the concrete, stir the mixture according to certain proportion with stone, cement, water and sand etc. and tile the roof at fixed case 1 after the mixture finishes.
And S4, ending: in the process of laying, pay attention to the terrace height standard around for solar panel 7 is in the top of concrete with blade 10, waits for a plurality of hours after the concrete solidifies, fixes water pump 5 at the roof of concrete, is connected fixedly with water pump 5 with the one end that water pipe 2 stretches out.
According to the invention, the water pipe 2 is uniformly divided into a plurality of sections under the action of the plurality of partition plates 3, when a certain part in the water pipe 2 leaks water, the sensing plate 13 moves downwards under the action of the impact force of the water flow body and the gravity of the water flow body, when the sensing plate 13 compresses the spring 14 and moves downwards to touch the first switch 16 and the second switch 17, the second switch 17 acts on the water pump 5 at the moment to stop the water pump 5, so that the waste of water resources is reduced, the first switch 16 acts on the alarm 18, so that the alarm 18 transmits an alarm signal to the wireless transceiver module, and the wireless transceiver module transmits data to the penetration position display device, so that a worker can conveniently confirm the position of the water leakage and process the water leakage.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. The utility model provides a city underground fire fighting pipeline seepage positioning system, includes concrete body (4), its characterized in that, fixed case (1) has been buried underground in concrete body (4), fixed case (1) runs through to be fixed with water pipe (2), equidistant welding of fixed case (1) has a plurality of baffles (3), and is a plurality of baffle (3) all run through water pipe (2), the roof of concrete body (4) is fixed with water pump (5), water pump (5) run through fixedly with water pipe (2), the roof welding of fixed case (1) has dead lever (6), and is adjacent response chamber (20) are constituteed jointly in baffle (3), dead lever (6) are connected with power storage device, response chamber (20) in-connection induction system.
2. The urban underground fire fighting pipeline leakage positioning system according to claim 1, wherein the power storage device comprises a solar panel (7), the solar panel (7) is fixedly connected with the top wall of the fixing rod (6), a bearing (8) is fixed on the top wall of the solar panel (7), a rotating shaft (9) is rotatably connected with the bearing (8), two blades (10) and two fixing plates (11) are symmetrically welded on the top wall of the rotating shaft (9), cleaning handles (12) are glued and fixed on the bottom walls of the fixing plates (11), and a storage battery body (19) is fixedly arranged on the bottom wall of the solar panel (7).
3. The urban underground fire fighting pipeline leakage positioning system according to claim 2, characterized in that the sensing device comprises a plurality of sensing plates (13), the sensing plates (13) are respectively connected with the side wall of the sensing cavity (20) in a sealing and sliding manner, a spring (14) is fixed on the bottom wall of the sensing cavity (20) in a welding manner, the other end of the spring (14) is fixed on the bottom wall of the sensing plate (13) in a welding manner, the symmetrical side walls of the sensing cavity (20) are respectively fixed with fixing blocks (15), one of the fixing blocks (15) is fixed with a first switch (16) on the top wall, the other fixing block (15) is fixed with a second switch (17) on the top wall, and an alarm (18) is fixed on the bottom wall of the sensing cavity (20).
4. The urban underground fire fighting pipeline leakage positioning system according to claim 3, wherein the first switch (16) and the second switch (17) are both located on the bottom wall of the induction plate (13), the first switch (16) is electrically connected with the alarm (18), and the second switch (17) is electrically connected with the water pump (5).
5. The urban underground fire fighting pipeline leakage positioning system according to claim 4, wherein the cleaning handle (12) abuts against the top wall of the solar panel (7), the solar panel (7) is electrically connected with the storage battery body (19), and the storage battery body (19) is electrically connected with the plurality of alarms (18).
6. The urban underground fire fighting pipeline leakage positioning system according to claim 5, further comprising a leakage position display device for displaying the leakage position of the water pipe (2), wherein the leakage position display device is electrically connected with a wireless transceiver module, and the wireless transceiver module is electrically connected with the plurality of alarms (18).
7. The urban underground fire fighting pipeline leakage positioning system according to claim 6, wherein a wire is buried in the concrete body (4), and a waterproof layer is arranged on the outer side of the wire.
8. A method for constructing an underground fire-fighting pipeline in a city, which comprises installing the leakage positioning system for the underground fire-fighting pipeline in any one of claims 1 to 7, and comprises the following steps:
s1, preparing: the solar water heater comprises a water pipe (2), wherein a plurality of partition plates (3) are fixedly arranged on the side wall of the water pipe (2) in a penetrating and gluing mode, the partition plates (3) are arranged at equal intervals, then the side wall of each partition plate (3) is fixedly welded through a fixing box (1), the water pipe (2) penetrates through the fixing box (1), a fixing rod (6) is welded on the top wall of the fixing box (1), a solar panel (7) is fixed with the fixing box (1), and an induction device and an electric power storage device are arranged in the fixing box (1);
s2, pouring a concrete bottom layer: the method comprises the following steps of (1) cutting a pit on the ground, stirring and mixing raw materials such as stones, cement, water and the like according to a certain proportion, after the mixing is finished, flatly paving the mixed raw materials at the bottom of the pit bottom by using a shovel to form a concrete bottom layer, and sealing and covering an SBS waterproof roll on the top wall of the concrete bottom layer to form a waterproof layer;
s3, burying: waiting for a plurality of hours, after the concrete is solidified, placing the fixing box (1) on a concrete bottom layer, placing a lead connected with the alarm (18) and the storage battery body (19) in a waterproof layer, extending outlets at two ends of the water pipe (2) to a pit body, continuously manufacturing the concrete, stirring and mixing stones, cement, water, sand and the like according to a certain proportion, and paving the concrete on the top wall of the fixing box (1) after the concrete is mixed;
and S4, ending: in the laying process, the height standard of the surrounding terrace is noticed, so that the solar panel (7) and the blades (10) are positioned above the concrete, after the concrete is solidified for a plurality of hours, the water pump (5) is fixed on the top wall of the concrete, and the extending end of the water pipe (2) is connected and fixed with the water pump (5).
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| CN202110889396.XA CN113775940B (en) | 2021-08-04 | 2021-08-04 | Urban underground fire-fighting pipeline leakage positioning system and construction method thereof |
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| CN211124866U (en) * | 2019-12-13 | 2020-07-28 | 苏州同维文化传媒有限公司 | Energy-concerving and environment-protective multi-functional propaganda bill-board |
| CN211479246U (en) * | 2020-04-09 | 2020-09-11 | 唐山万山建筑工程有限公司 | Movable solar fire alarm |
| CN212456621U (en) * | 2020-06-04 | 2021-02-02 | 江苏瑞澜光电科技有限公司 | Lithium battery solar street lamp with wind power cleaning device |
| CN112032573A (en) * | 2020-09-11 | 2020-12-04 | 山东水发黄水东调工程有限公司 | Water pipeline leakage monitoring system and method |
| CN213361930U (en) * | 2020-09-17 | 2021-06-04 | 广东昌旺建设有限公司 | Municipal drainage pipeline |
| CN213118503U (en) * | 2020-09-18 | 2021-05-04 | 梁灿辉 | Urban water supply pipe network monitoring device |
| CN213272077U (en) * | 2020-10-19 | 2021-05-25 | 广东轻工职业技术学院 | Water leakage recognition device for tap water pipeline |
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| CN113775940B (en) | 2022-08-30 |
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