CN215728868U

CN215728868U - Large-scale underwater earthquake simulation shaking table pit liquid leakage detection system

Info

Publication number: CN215728868U
Application number: CN202121818289.XU
Authority: CN
Inventors: 田金; 刘海超; 陈明华; 陈山山
Original assignee: Beijing Bbk Test Systems Co ltd
Current assignee: Beijing Bbk Test Systems Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-02-01
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a large-scale underwater earthquake simulation shaking table pit leakage detection system which comprises two leakage induction belts arranged in an underwater earthquake simulation shaking table pit, wherein the two leakage induction belts are arranged on a waterproof cloth in the underwater earthquake simulation shaking table pit and are arranged side by side; the leakage induction belt comprises a framework component, an induction line, a water absorption layer and a base band component, wherein the bottom end face of the base band component is attached to a position to be detected on the waterproof cloth; a connector is fixedly connected between the two baseband components, the connector comprises a first component and a second component which are respectively and fixedly connected on the side walls of the two baseband components, and the first component and the second component are detachably connected and are oppositely arranged; the output end of the induction line is electrically connected with a controller. The utility model can reduce the influence of moisture and dust in the air on the detection, improve the stability and durability of the detection system, increase the reliability of the detection result and avoid the accident of large amount of liquid leakage.

Description

Large-scale underwater earthquake simulation shaking table pit liquid leakage detection system

Technical Field

The utility model relates to the technical field of leakage detection, in particular to a large-scale underwater earthquake simulation shaking table pit leakage detection system.

Background

Modern large-scale laboratory (for example large-scale underwater earthquake simulation shaking table system) is provided with numerous accurate equipment, instrument etc. in case leak, can lead to instrument and equipment's short circuit, equipment corrosion etc. produces casualties and loss of property, current detecting system has the problem that produces false alarm by the influence of the moisture in the air near the check point when using to the response line in the detecting system generally directly exposes and detects the influence that the point receives the dust and produces the jam to be detected easily, and then reduces the sensitivity of detection, influence result of use. In addition, the sensing strip of the existing detection system is generally set to be a single strip, the detection area of the single sensing strip is relatively small, if the single sensing strip is damaged, the detection is failed, and the reliability of the detection result is relatively low.

Therefore, a new leakage detection system is needed to solve the above problems, reduce the influence of moisture and dust in the air on the detection, improve the stability and durability of the detection system, increase the reliability of the detection result, and avoid the occurrence of a large amount of liquid leakage accidents.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a large-scale underwater earthquake simulation shaking table pit liquid leakage detection system, which solves the problems in the prior art, can reduce the influence of moisture and dust in the air on detection, improves the stability and durability of the detection system, increases the reliability of a detection result, and avoids the accident of large-scale liquid leakage.

In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a large-scale underwater earthquake simulation shaking table pit liquid leakage detection system, which comprises a liquid leakage induction belt arranged in an underwater earthquake simulation shaking table pit, wherein the liquid leakage induction belt is arranged on a waterproof cloth in the underwater earthquake simulation shaking table pit, and is characterized in that: the number of the liquid leakage induction belts is two, and the two liquid leakage induction belts are arranged side by side;

the liquid leakage induction belt comprises a framework component, a plurality of induction lines embedded in the upper surface of the framework component, a water absorption layer covering the upper surfaces of the induction lines, and a base band component fixedly connected to the bottom of the framework component, wherein the bottom end face of the base band component is attached to a position to be detected on the waterproof cloth;

a connector is fixedly connected between the two baseband components, the connector comprises a first component and a second component which are respectively and fixedly connected on the side walls of the two baseband components, and the first component and the second component are detachably connected and are oppositely arranged; the output end of the induction line is electrically connected with a controller.

Preferably, the skeleton subassembly includes insulating skeleton, a plurality of mounting grooves have been seted up on insulating skeleton's surface, the response line embedding is being located insulating skeleton upper surface in the mounting groove, be located insulating skeleton lower surface arbitrary the embedding has the conductor wire in the mounting groove, the surface cover of conductor wire is equipped with the insulating layer.

Preferably, the base band assembly comprises a base band seat and a glue layer fixed at the bottom of the base band seat, the base band seat is connected with the part to be detected on the waterproof cloth in a glued mode through the glue layer, and the top of the base band seat is fixed to the lower surface of the insulating framework.

Preferably, the first component comprises a first fixed block fixedly connected to the side wall of the base band seat, and a clamping groove is formed in the end face, far away from the base band component, of the first fixed block;

the second subassembly includes that the rigid coupling is in another second fixed block on the baseband seat lateral wall, first fixed block with the second fixed block sets up relatively, the second fixed block is close to the one end rigid coupling of first fixed block has the one end of connecting band, the other end rigid coupling of connecting band have with the joint piece of connection can be dismantled in the joint groove.

Preferably, the size of one end of the clamping block close to the first fixing block is larger than that of the other end of the clamping block.

Preferably, the outer surface of the induction line is sleeved with a conductive layer, and the water absorption layer covers the upper surface of the conductive layer.

Preferably, a plurality of reinforcing wire cores are arranged in the insulating framework at intervals.

Preferably, the controller is electrically connected with the output end of the conductive wire.

The utility model discloses the following technical effects: the leakage induction belt is provided with the two leakage induction belts, the two leakage induction belts are provided with the plurality of induction lines, the range of a detection area is enlarged, the reliability of leakage detection is improved, the framework assembly of the leakage induction belt increases the strength and toughness of the leakage induction belt, the durability is improved, the base belt assembly is fixedly connected to the bottom of the framework assembly, the bottom end face of the base belt assembly is attached to a position to be detected on waterproof cloth, the leakage induction belt is closely attached to the position to be detected on the waterproof cloth, the leakage induction belt is prevented from winding and shifting, and the stability of the leakage induction belt during detection is improved; the first assembly and the second assembly are detachably connected, so that a certain distance is kept between the two liquid leakage induction belts, the two liquid leakage induction belts can be adapted according to the position and the angle of a point to be measured, and the application range of the liquid leakage induction belts is enlarged; the upper surface of the induction line is covered with a water absorption layer, the water absorption layer can absorb moisture in the air near the induction line, on one hand, the moisture in the air and the influence on the induction line are avoided, on the other hand, the water absorption layer plays a role in isolating dust, the induction line is protected, the service life of the induction line is prolonged, when water leakage occurs, the water absorption layer collapses under the action of gravity after absorbing water, so that the water is transmitted to the induction line through the water absorption layer, the induction line transmits a water leakage signal to the controller, the controller transmits a leakage position to a user side after processing and gives an alarm at the same time, the water leakage is convenient for workers to timely process, the water leakage is discovered early, the accident of large amount of liquid leakage is avoided, and the personnel safety and the property safety are ensured; the leakage induction belt has mature technology, low price and low system cost, but has huge effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view of the construction of the weep induction belt of the present invention;

FIG. 2 is a schematic diagram of a large-scale underwater earthquake simulation shaking table pit liquid leakage detection system

FIG. 3 is a top view of the weep induction belt of the present invention;

FIG. 4 is a three-dimensional enlarged view of the large underwater earthquake simulation shaking table pit liquid leakage detection system in a use state;

FIG. 5 is a three-dimensional view of the large-scale underwater earthquake simulation shaking table pit liquid leakage detection system in the use state;

wherein, 1, waterproof cloth; 2. a weep induction zone; 3. an induction line; 4. a water-absorbing layer; 5. a connector; 6. a controller; 7. an insulating framework; 8. mounting grooves; 9. a conductive wire; 10. a base band seat; 11. a glue layer; 12. a conductive layer; 13. a first fixed block; 14. a clamping groove; 15. a second fixed block; 16. a connecting belt; 17. a clamping block; 18. and reinforcing the wire core.

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.

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

Referring to fig. 1-5, the utility model provides a large-scale underwater earthquake simulation shaking table pit leakage detection system, which comprises two leakage induction belts 2 arranged in the underwater earthquake simulation shaking table pit, wherein the two leakage induction belts 2 are arranged on a waterproof cloth 1 in the underwater earthquake simulation shaking table pit, and the two leakage induction belts 2 are arranged side by side;

the liquid leakage induction belt 2 comprises a framework component, a plurality of induction lines 3 embedded in the upper surface of the framework component, a water absorption layer 4 covering the upper surface of the induction lines 3 and a base belt component fixedly connected to the bottom of the framework component, wherein the bottom end face of the base belt component is attached to a position to be detected on the waterproof cloth 1; the framework component comprises an insulating framework 7, a plurality of mounting grooves 8 are formed in the surface of the insulating framework 7, the induction wire 3 is embedded in the mounting groove 8 in the upper surface of the insulating framework 7, a conducting wire 9 is embedded in any one mounting groove 8 in the lower surface of the insulating framework 7, and an insulating layer is sleeved on the outer surface of the conducting wire 9; by the arrangement, the detection area is greatly increased by the two liquid leakage induction belts 2 arranged side by side and the plurality of induction lines 3, so that the reliability of liquid leakage detection is improved; the strength and toughness of the leakage induction belt 2 are improved by the framework component, and the durability is improved; the bottom end face of the base band assembly is attached to the position to be detected on the waterproof cloth 1, so that the liquid leakage induction bands 2 are closely attached to the position to be detected on the waterproof cloth 1, the two liquid leakage induction bands 2 are prevented from being wound and shifted, and the stability of the liquid leakage induction bands during detection is improved; the water absorption layer 4 can absorb moisture in the air near the induction line 3, so that on one hand, the moisture in the air and the influence on the induction line 3 are avoided, and a false alarm is caused, on the other hand, the water absorption layer 4 plays a role in isolating dust in the air, the surface of the induction line 3 is protected, the detection failure caused by the blockage of the surface of the induction line 3 by the dust is avoided, the service life of the induction line 3 is prolonged, and the detection sensitivity of the induction line 3 is improved; when water leakage occurs in the underwater earthquake simulation vibration table pit, the water leakage firstly leaks into the low-lying position of the waterproof cloth 1, the bottom end face of the base band component is preferably the low-lying position attached to the waterproof cloth 1 and serves as the best point for water leakage detection, the detection accuracy and efficiency are improved, when the water leakage falls down, the water leakage firstly falls into the water absorption layer 4, the water absorption layer 4 collapses under the action of gravity after absorbing water and is in contact with the induction line 3, so that the water is transmitted to the induction line 3 through the water absorption layer 4, the induction line 3 transmits a water leakage signal to the controller 6, the controller 6 transmits the leakage position to a user end after processing and gives an alarm at the same time, workers can conveniently process the water leakage in time, the accident of large amount of liquid leakage is avoided by finding the water leakage early, and the personnel safety and the property safety are ensured; the liquid leakage induction belt 2 has mature technology, low price and low system cost, but has huge effect.

A connector 5 is fixedly connected between the two baseband components, the connector 5 comprises a first component and a second component which are respectively and fixedly connected on the side walls of the two baseband components, and the first component and the second component are detachably connected and are oppositely arranged; by the arrangement, the first assembly and the second assembly enable the two liquid leakage induction belts 2 to keep a certain distance, so that the two liquid leakage induction belts 2 can be adapted according to the position and the angle of a point to be measured, and the application range of the liquid leakage induction belts 2 is enlarged;

the output end of the induction line 3 is electrically connected with a controller 6, and the controller 6 is electrically connected with the output end of the conductive wire 9. The controller 6 is preferably an XW-DC-03 dual-channel leak detection controller, can be simultaneously connected with two leakage induction belts 2 for detection, a plurality of induction lines 3 are electrically connected with the controller 6, the controller 6 can also be matched with other detection probes for use so as to adapt to different detection environments and grade requirements, and can be integrated with various monitoring systems through relay contact signals output by the controller and an RS485 interface so as to realize remote alarm and control of remote equipment; when leakage is found, the leakage induction belt 2 sends a signal to the controller 6, the signal is processed by the controller 6, the leakage position is transmitted to a central control center and a user side through a ModBus communication protocol, and an alarm is given at the same time, the leakage induction belt 2 comprises a plurality of induction lines 3 and a plurality of conducting wires 9, constant current is conducted in the induction lines 3, when water leaks at a certain point of a detection point, the water penetrates through the water absorption layer 4 to enable the induction lines 3 to be short-circuited, the controller 6 can calculate the relative position of water leakage according to the linear relation among resistance, voltage and current, and constant current is conducted on the conducting wires 9 to detect the length of the whole cable, so that the absolute position of the short-circuit and the disconnection condition are determined, the specific model and the operation principle of the controller 6 are the prior art, and are not repeated.

Further optimization scheme, the baseband subassembly includes baseband seat 10, fixes the glue film 11 in baseband seat 10 bottom, baseband seat 10 through glue film 11 with the department of waiting to detect on the tarpaulin 1 cementing, the top of baseband seat 10 is fixed with the lower surface of insulating skeleton 7, baseband seat 10 is the same with the size of glue film 11, so set up for baseband seat 10 can firmly glue the department of waiting to detect on tarpaulin 1 through glue film 11, the department of waiting to detect preferably horizontal position minimum and near region of tarpaulin 1.

According to a further optimization scheme, the first assembly comprises a first fixing block 13 fixedly connected to the side wall of the base band seat 10, a clamping groove 14 is formed in the end face, far away from the base band assembly, of the first fixing block 13, the clamping groove 14 transversely penetrates through the first fixing block 13, and the size of the end face, close to the first fixing block 13, of the clamping groove 14 is larger than that of the other opposite end face;

the second assembly comprises a second fixed block 15 fixedly connected to the side wall of the other base belt seat 10, the first fixed block 13 and the second fixed block 15 are arranged oppositely, one end, close to the first fixed block 13, of the second fixed block 15 is fixedly connected with one end of a connecting belt 16, the other end of the connecting belt 16 is fixedly connected with a clamping block 17 detachably connected with the clamping groove 14, and the size of one end, close to the first fixed block 13, of the clamping block 17 is larger than that of the other end of the clamping block 17; so set up, when two weeping response areas 2 were wired, go into through the card with joint piece 17 from one side card of joint groove 14, realize the connection of first fixed block 13 and second fixed block 15, and then make and keep certain interval between two weeping response areas 2, when needs change the detection position, lift joint piece 17 off along joint groove 14 one end and can separate two weeping response areas 2, connecting band 16 is preferred flexible connecting band, conveniently carry out the adaptation with weeping response area 2 according to the position and the angle of waiting to measure the point, increase the application range of weeping response area 2, can effectively avoid two weeping response areas 2 to take place to twine and shift simultaneously, and then increase the stability of weeping response area 2 when examining.

According to a further optimized scheme, the outer surface of the induction line 3 is sleeved with the conductive layer 12, and the water absorption layer 4 covers the upper surface of the conductive layer 12; so set up, when conducting layer 12 no longer influences the response of response line 3 and leaks, protect the surface of response line 3, avoid response line 3 to soak for a long time and rust after the use, prolong the life of response line 3.

In a further optimized scheme, a plurality of reinforcing wire cores 18 which are arranged at intervals are arranged in the insulating framework 7; so set up for insulating skeleton 7's intensity greatly increased avoids long-time use back insulating skeleton 7 fracture, increases insulating skeleton 7's tensile strength and life.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.

Claims

1. The utility model provides a large-scale earthquake simulation shaking table pit weeping detecting system under water, is including setting up weeping response area (2) in the earthquake simulation shaking table pit under water, weeping response area (2) set up on tarpaulin (1) in the earthquake simulation shaking table pit under water, its characterized in that: the number of the liquid leakage induction belts (2) is two, and the two liquid leakage induction belts (2) are arranged side by side;

the liquid leakage induction belt (2) comprises a framework component, a plurality of induction lines (3) embedded in the upper surface of the framework component, a water absorption layer (4) covering the upper surfaces of the induction lines (3), and a base band component fixedly connected to the bottom of the framework component, wherein the bottom end face of the base band component is attached to a position to be detected on the waterproof cloth (1);

a connector (5) is fixedly connected between the two baseband components, the connector (5) comprises a first component and a second component which are respectively and fixedly connected on the side walls of the two baseband components, and the first component and the second component are detachably connected and oppositely arranged; the output end of the induction wire (3) is electrically connected with a controller (6).

2. The large underwater seismic simulation shaking table pit liquid leakage detection system according to claim 1, characterized in that: the skeleton subassembly is including insulating skeleton (7), a plurality of mounting grooves (8) have been seted up on the surface of insulating skeleton (7), induction line (3) embedding is being located insulating skeleton (7) upper surface in mounting groove (8), be located insulating skeleton (7) lower surface arbitrary the embedding has conductor wire (9) in mounting groove (8), the surface cover of conductor wire (9) is equipped with the insulating layer.

3. The large underwater seismic simulation shaking table pit liquid leakage detection system according to claim 2, characterized in that: the base band assembly comprises a base band seat (10) and a glue layer (11) fixed to the bottom of the base band seat (10), the base band seat (10) is connected with a position to be detected on the waterproof cloth (1) in a gluing mode through the glue layer (11), and the top of the base band seat (10) is fixed to the lower surface of the insulating framework (7).

4. The large underwater seismic simulation shaking table pit liquid leakage detection system of claim 3, characterized in that: the first component comprises a first fixed block (13) fixedly connected to the side wall of the base band seat (10), and a clamping groove (14) is formed in the end face, far away from the base band component, of the first fixed block (13);

the second subassembly includes that the rigid coupling is in another second fixed block (15) on baseband seat (10) lateral wall, first fixed block (13) with second fixed block (15) set up relatively, second fixed block (15) are close to the one end rigid coupling of first fixed block (13) has the one end of connecting band (16), the other end rigid coupling of connecting band (16) have with joint piece (17) that connection can be dismantled in joint groove (14).

5. The large underwater seismic simulation shaking table pit liquid leakage detection system according to claim 4, characterized in that: the size of one end of the clamping block (17) close to the first fixing block (13) is larger than that of the other end of the clamping block.

6. The large underwater seismic simulation shaking table pit liquid leakage detection system according to claim 1, characterized in that: the outer surface cover of response line (3) is equipped with conducting layer (12), absorb water layer (4) cover the upper surface of conducting layer (12).

7. The large underwater seismic simulation shaking table pit liquid leakage detection system according to claim 2, characterized in that: a plurality of reinforcing wire cores (18) which are arranged at intervals are arranged in the insulating framework (7).

8. The large underwater seismic simulation shaking table pit liquid leakage detection system according to claim 2, characterized in that: the controller (6) is electrically connected with the output end of the conductive wire (9).