CN115752928A - Woven liquid leakage detection sensing system based on braid - Google Patents
Woven liquid leakage detection sensing system based on braid Download PDFInfo
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Abstract
The application discloses weave shape liquid based on meshbelt and reveal and detect sensing system relates to weeping sensor detection area. The invention comprises a braid weaving shape sensor, a connector and a controller; the braid weaving type sensor consists of a substrate layer, a conductive circuit layer and a bottom binding layer; the substrate layer is provided with at least one middle transitional weaving area and edge fixing areas positioned on two sides of the outermost end of the middle transitional weaving area; the middle transitional weaving area adopts a sparse weaving mode which is convenient for moisture to be separated, and the edge fixing area adopts a dense weaving mode which is good in tensile resistance and wear resistance; the conducting circuit layer is in a conducting wire dense weaving mode. The woven belt weaving shape sensor has excellent tensile property, is not easy to pull and damage, can be folded repeatedly or bent without damaging products, can effectively resist corrosion of corrosive liquids such as acid and alkali, and is high in practicability.
Description
Technical Field
The application belongs to a liquid leakage detection sensor, and particularly relates to a sensor for detecting liquid leakage based on braid weaving.
Background
In modern industrial production and application processes, liquid leakage detection sensors have wide application, and various types of liquid leakage sensors for detecting water, oil and other chemical engineering liquids are distinguished on the basis of liquid media, wherein the most common sensors include cable type liquid leakage detection sensors and film type liquid leakage detection sensors.
The existing cable-type leakage sensor has the following disadvantages: the length and the shape are set when leaving a factory, the length and the shape cannot be changed randomly, the selection during use is limited, and the fixed-length cutting determined during specific use can cause waste to a certain extent.
The existing film-type leakage detection sensor has the following disadvantages: structural strength is relatively poor, easily causes the tensile damage that forms of structure during the use: for example, the application number 201720093369.9 entitled "thin film organic liquid leakage detection system" is 5363, and the thin film sensor in the technical scheme includes a base film layer, and conductive lines are distributed on the upper and lower surfaces of the base film layer, and a functional film layer is arranged by gluing, so that the thickness is relatively thin, and the thin film sensor is relatively poor in structural strength and easy to deform and damage in use by combining a specific application scene.
The mesh belt is a belt-shaped component formed by weaving threads, has good structural strength, elasticity and extensibility, and is low in manufacturing cost, and the production materials and the processing flow have obvious cost advantages. Therefore, in view of the above problems, it is important to provide a liquid leakage detection sensing system based on a woven shape of a webbing.
Disclosure of Invention
The application provides a weave shape liquid based on meshbelt and reveal and detect sensing system has solved above problem.
In order to solve the technical problem, the method is realized through the following technical scheme:
a liquid leakage detection sensing system based on braid weaving shape comprises a braid weaving shape sensor (1);
the woven ribbon weaving shape sensor (1) comprises an intermediate weaving area (101) and a plurality of conductive line layers (103), the intermediate weaving area (101) is arranged between the adjacent conductive line layers (103) at intervals, and the conductive line layers (103) and the intermediate weaving area are arranged in the radial direction;
the middle transition weaving area (101) is woven in a sparse weaving mode convenient for moisture to separate, and the conducting circuit layer (103) is woven in a conducting wire dense weaving mode.
Further, the ribbon weaving shape sensor (1) also comprises a bottom attaching layer (104) and an edge fixing area (102);
the bottom attaching layer (104) is positioned at the bottom of the middle transition weaving area (101), the edge fixing area (102) and the conducting circuit layer (103);
the edge fixing areas (102) are positioned on two sides of the outermost end of the middle transitional woven area (101) and used for protecting the middle transitional woven area (101) and the conductive line layer (103), the middle transitional woven area (101) and the edge fixing areas (102) are arranged in the radial direction;
the edge fixing area (102) is formed by weaving in a dense weaving mode with good tensile resistance and wear resistance.
Further, the woven tape type sensor (1) comprises a base layer comprising the intermediate transition woven region (101) and the edge fixing region (102).
Further, the device also comprises at least one braid weaving type sensor (1), a connector connected with the end part of the braid weaving type sensor (1), and a controller (3) connected with the connector at the end part of the braid weaving type sensor (1) through a signal input lead (31);
the woven tape weaving sensor (1) is composed of the substrate layer, the conducting circuit layer (103) and the bottom attaching layer (104); the substrate layer is provided with at least one middle transitional woven region (101) and edge fixing regions (102) which are positioned at two sides of the outermost end of the middle transitional woven region (101); the conductive line layer (103) is woven on the surface of the base layer and is positioned on the inner side of the middle transitional woven area (101) or is woven between the middle transitional woven area (101) and the edge fixing area (102);
the conductive line layer (103), the intermediate transitional woven region (101) and the edge fixing region (102) are arranged in a radial direction; the middle transitional weaving area (101) is in a sparse weaving mode which is convenient for moisture to be separated, and the edge fixing area (102) is in a dense weaving mode which is good in tensile resistance and wear resistance; the conducting circuit layer (103) is in a conducting wire dense weaving mode.
Further, the base layer is formed by weaving PET, PPS, PEEK, wool and PE, or weaving threads made of any one or more of cotton threads, plaster threads, PP threads, SP threads, polyester threads and fiber materials.
Further, the conductive circuit layer is formed by weaving braided wires made of any one or more of steel wires, tinned copper foils, stainless steel wires, copper wires, carbon fiber composite core wires, aluminum wires and alloy wires.
Further, the cross-sectional diameter of the braided wire is 0.15-0.3mm.
Further, the bottom attaching layer is specifically an attaching layer formed by attaching an attachable adhesive to the bottom of the base layer.
Compared with the prior art, the application has the following beneficial effects:
the utility model provides a shape sensor is woven to meshbelt has good pull resistance, is difficult for dragging the damage, can refold or crooked do not damage the product, can produce the whole product of rolling up of overlength size as required, can effectively resist the erosion of corrosive liquids such as acid-base, and the practicality is strong.
Of course, it is not necessary for any product to achieve all of the above-described advantages at the same time for the practice of the present application.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a liquid leakage detection sensing system based on a woven shape of a mesh belt according to embodiment 1 of the present application;
FIG. 2 is a schematic view of the woven sensor and connector of FIG. 1;
FIG. 3 is a schematic structural diagram of the woven sensor of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 2 at position A;
FIG. 5 is a cross-sectional view of the structure of the woven sensor of FIG. 2;
fig. 6 is a schematic structural view of a woven-braid-shaped sensor in a woven-braid-shaped liquid leakage detection sensor system according to embodiment 2;
fig. 7 is a schematic structural view of a woven-braid-shaped sensor in a woven-braid-shaped liquid leakage detection sensor system according to embodiment 3;
FIG. 8 is a cross-sectional view of the structure of the woven sensor of FIG. 7;
fig. 9 is a schematic structural view of a liquid leakage detection sensor system based on a woven shape of a webbing according to embodiment 4 of the present application;
FIG. 10 is a schematic view of the woven sensor of FIG. 9;
in the drawings, the components represented by the respective reference numerals are listed below:
the method comprises the following steps of 1-a woven belt weaving type sensor, 101-a middle transition weaving area, 102-an edge fixing area, 103-a conducting circuit layer, 104-a bottom attaching layer, 21-a bridging connector, 22-an L-shaped connector, 3-a controller and 31-a signal input lead.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all 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 application.
In the description of the present application, it is to be understood that the terms "end," "bottom," "inner," "bottom," "cross-section," and the like are used in an orientation or positional relationship merely to facilitate the description of the application and to simplify the description, and are not intended to indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting the application.
Specific example 1:
a liquid leakage detection sensing system based on braid weaving shape, see fig. 3 to 7 and 10, comprising a braid weaving shape sensor (1);
the woven ribbon weaving shape sensor (1) comprises an intermediate weaving area (101) and a plurality of conductive line layers (103), the intermediate weaving area (101) is arranged between the adjacent conductive line layers (103) at intervals, and the conductive line layers (103) and the intermediate weaving area are arranged in the radial direction;
the middle transition weaving area (101) is woven in a sparse weaving mode convenient for moisture to separate, and the conducting circuit layer (103) is woven in a conducting wire dense weaving mode.
Specifically, in order to improve characteristics such as the pull resistance and the intensity of weeping sensor, weave the technology form that the weeping sensor was woven with the meshbelt and form, adopt the mode of braided wire to make the meshbelt weave shape sensor (1) have good pull resistance, be difficult for dragging the damage, can refold or crooked do not damage the product, can produce overlength size whole roll product as required, the practicality is strong.
Specifically, the liquid leakage detection can be realized only by a small number of conductive circuit layers (103) of the woven belt type sensor (1), other areas are filled through the middle transition woven region (101) for the purpose, meanwhile, the strength guarantee is provided for the woven belt type sensor (1), meanwhile, the adjacent conductive circuit layers (103) are not in short circuit contact, the middle transition woven region (101) is always arranged between the adjacent conductive circuit layers (103) at intervals, meanwhile, the liquid leakage is not absorbed when contacting the middle transition woven region (101) and can be contacted with the conductive circuit layers (103) so that the woven belt type sensor can timely detect liquid leakage, the middle transition woven region (101) is woven in a sparse weaving mode convenient for water separation, after the liquid leakage drops fall into the middle transition woven region (101), the liquid leakage can be timely transited from the middle transition woven region (101) to the adjacent conductive circuit layers (103), so that the woven belt type sensor (1) can detect the liquid leakage, and the sensitivity of the woven belt type sensor (1) is guaranteed. Meanwhile, in order to ensure that the conductive circuit layer (103) cannot influence the conductivity due to a weaving process, the conductive circuit layer (103) is woven in a conductive circuit intensive weaving mode, and the conductive circuit layer (103) can work normally in various application scenes.
It can be seen that the liquid leakage sensor is woven in a woven ribbon weaving process, the woven ribbon weaving sensor (1) has excellent tensile resistance and is not easy to pull and damage in a woven wire weaving mode, products can be folded or bent repeatedly without damage, overlength size whole-roll products can be produced according to requirements, and the practicability is high.
Specific example 2:
based on the foregoing embodiments, further explanation and optimization are made on a woven-ribbon-based liquid leakage detection sensing system according to an embodiment of the present application, where the woven-ribbon-based sensor (1) may further include a bottom-adhesive layer (104) and an edge-fixing region (102);
the bottom attaching layer (104) is positioned at the bottom of the middle transition weaving area (101), the edge fixing area (102) and the conducting circuit layer (103);
the edge fixing areas (102) are positioned on two sides of the outermost end of the middle transitional woven area (101) and used for protecting the middle transitional woven area (101) and the conductive line layer (103), the middle transitional woven area (101) and the edge fixing areas (102) are arranged in the radial direction;
the edge fixing area (102) is formed by weaving in a dense weaving mode with good tensile resistance and wear resistance.
Specifically, the edge fixing area (102) is located on two sides of the edge of the woven ribbon weaving sensor (1) and plays a role in fixing and sealing, the middle transition weaving area (101) in the middle and the conducting circuit layer (103) are protected from being broken, the edge abrasion and other problems cannot be directly caused, and therefore the edge fixing area (102) is woven in a dense weaving mode with good tensile strength and wear resistance.
Specifically, in order to facilitate installation of the woven belt woven shape sensor (1), the arrangement is located in the middle transition woven region (101), the edge fixing region (102) and the bottom attaching layer (104) at the bottom of the conductive circuit layer (103), the bottom attaching layer (104) is arranged on one side of the middle transition woven region (101), the edge fixing region (102) is fixed to the conductive circuit layer (103), and the other side of the middle transition woven region is provided with adhesive for attaching the woven belt woven shape sensor (1) to an installation place.
Further, the middle transition weaving area (101) and the edge fixing area (102) in the woven belt type sensor (1) together form a base layer for bearing a conductive circuit layer (103), so that the woven belt type sensor has liquid leakage detection capability.
Specific example 3:
referring to fig. 1-5, a liquid leakage detection sensing system based on braid weaving shape according to the present application includes a braid weaving shape sensor 1, a connector connected to an end of the braid weaving shape sensor 1, and a controller 3 connected to the connector at the end of the braid weaving shape sensor 1 through a signal input lead 31; in the embodiment, the controller 3 adopts a DGS-MO4C four-channel liquid leakage detection controller; the ribbon weaving shape sensor 1 connected with the controller 3 is connected with four ribbon weaving shape sensors in parallel, the connector in the embodiment adopts crossover connectors 21 positioned at two ends of the four ribbon weaving shape sensors 1, a zigzag fixing structure meshed with each other is arranged between an upper protective cover and a lower protective cover in the connector, two ends of the ribbon weaving shape sensor 1 can be effectively fixed, and the tail end of one ribbon weaving shape sensor 1 is also connected with two other ribbon weaving shape sensors 1 which are connected through an L-shaped connector 32 and provided with the crossover connectors 21 at the beginning and the tail ends; all the woven ribbon weaving sensors 1 connected in parallel and in series at the rear part have the same structure; the upper and lower protective covers at the two ends of the L-shaped connector 32 are provided with zigzag fixing structures which are meshed with each other, so that the two ends of the woven ribbon weaving sensor 1 can be effectively fixed;
in this embodiment, the braid woven sensor 1 is composed of a substrate layer, a conductive circuit layer 103 and a bottom attaching layer 104; the substrate layer is provided with a middle transitional weaving area 101 and edge fixing areas 102 symmetrically positioned at two sides of the outermost end of the middle transitional weaving area 101; the number of the conductive circuit layers 103 is 2, and the conductive circuit layers are symmetrically woven between the middle transitional woven area 101 and the two edge fixing areas 102; the whole width of the mesh belt woven sensor 1 is 28mm, the width of the edge fixing area 102 is 3mm, the width of the middle transition woven area 101 is 14mm, the width of the conductive circuit layer 103 is 4mm, and the conductive circuit layer 103, the middle transition woven area 101 and the edge fixing area 102 are arranged in the radial direction; the middle transitional weaving area 101 is a sparse weaving mode facilitating moisture separation, the width in the embodiment is specifically the density of 15 weaving lines, a square hollow-hole form is formed, and moisture separation design is facilitated after the woven belt is soaked in liquid; the edge fixing area 102 is a dense knitting mode with good tensile strength and wear resistance, and the width in this embodiment is the density of 20 knitting yarns, wherein the transverse knitting yarns are connected with the transverse knitting yarns in the middle transition knitting area 101; the conductive line layer 103 is formed by densely weaving conductive lines, and has a density of 22 woven lines in this embodiment.
In this embodiment, in the crossover connectors 21 located at the first three ends, the knitting wires on the two conductive circuit layers 103 are twisted into one conductive wire and then connected, and are fixed by the zigzag fixing structure of the crossover connector 21 located at the end, the knitting wires on the two conductive circuit layers 103 in the crossover connector 21 located at the front end are respectively connected with the signal input lead 31 and connected with the signal input end of the controller 3, the crossover connector 21 located at the last end is connected in series with the lead wires of the two other braid knitting shape sensors 1 at the rear, and is fixed by the zigzag braid fixing structure in the other braid knitting shape sensors 1 at the end, and the knitting wires on the two conductive circuit layers 103 are twisted into one conductive wire and then connected.
Wherein, the basal layer is woven by one or more of PET, PPS, PEEK, wool and PE, or woven threads of any one or more of cotton threads, plaster threads, PP threads, SP threads, polyester threads and fiber materials; in this embodiment, the braided wire is made of PET wire, and the cross-sectional diameter of the braided wire is 0.15mm.
The conductive circuit layer 103 is formed by weaving braided wires made of any one or more of steel wires, tinned copper foils, stainless steel wires, copper wires, carbon fiber composite core wires, aluminum wires and alloy wires; in this embodiment, a braided wire is formed by copper wires, and the cross-sectional diameter of the braided wire is 0.15mm.
The bottom adhesive layer 104 is specifically an adhesive layer formed by adhering an adhesive 104 to the bottom of the substrate layer, and the adhesive 104 is specifically a waterproof non-conductive adhesive tape, specifically a PET insulating adhesive tape.
In this embodiment, the controller 3 is a DGS-MO4C four-channel liquid leakage detection controller, which has 4 sets of detection channels, and when any one or more sets of channels are connected to the braid woven sensor 1 in this embodiment, the DGS-MO4C can detect almost any conductive liquid or acid-base liquid existing on the detection braid, and in a short few seconds, sends out an audible and visual alarm and displays the channel number where the leakage point is located, and uploads the data signal to the platform system through 4 relays and 485 interfaces. The test controller itself may store up to 99 alarm log messages.
The DGS-MO4C is equipped with an RS485 interface and can be easily integrated into the owner's existing Building Management System (BMS) or Network Management System (NMS) over communication cables up to 1200 meters. Of course, the monitoring and alarming device can also be connected with a DGS-SW01 liquid leakage monitoring and alarming platform of DOGOST, upload all the state and alarm information of the summary controller in real time on line, and display the information on a display of the central monitoring host in the form of various graphic tables. The DGS-MO4C can be connected with 4 monitoring bands, each monitoring band can reach 200 meters (can be in section jump connection), and the method is very suitable for the following steps: detecting leakage in a large range and multiple areas; detection of leakage in areas that may not be visible.
The reference numbers on the controller 3 are illustrated as follows:
5363A signal (flashing red light) is sent in 301.485 to indicate that the system is sending data
302.485 the received signal (green light flashing) indicates that the system is receiving data
303. The broken signal (yellow indicator light on) indicates that the system has detected the sensor strip interruption
304. The leak signal (red indicator light on) indicates that the system has detected a liquid leak
305. The power supply signal (the green indicator light is on) indicates that the system is operating normally
306.RS485 output 307.Relay (NO)
308. Alarm buzzer 309 upwards moving arrow
310. Setting button 311 mode button
312. Downward arrow 313. Power switch
314. Power input 315. Inductive band input
316. Reset key
From the above, the DGS-MD1C single channel positioning type conductive liquid detection controller has an RS485 interface, and can be easily integrated into the existing Building Management System (BMS) or Network Management System (NMS) of the owner through a communication cable up to 1200 meters, upload all the status and alarm information of the summary controller on line in real time, and display it on the display of the central monitoring host in the form of various graphic tables. The DGS-MD1C can connect 1 liquid leakage detection webbing of this embodiment up to 250 meters (can be jumped in segments) at the longest, and is very suitable: detecting leakage in a large range and multiple areas; detection of leakage in the area that is not visible.
Specific example 4:
as shown in fig. 6, a liquid leakage detection sensing system based on braid weaving of this embodiment differs from embodiment 1 in that:
the whole width of the woven ribbon sensor 1 is 16mm, the width of the edge fixing area 102 is 2.5mm, the width of the middle transition woven area 101 is 4mm, the width of the conductive circuit layer 103 is 3.5mm, and the conductive circuit layer 103, the middle transition woven area 101 and the edge fixing area 102 are arranged in the radial direction; the middle transitional weaving area 101 is a sparse weaving mode facilitating moisture separation, the width in the embodiment is specifically the density of 6 weaving lines, a square hollow-hole form is formed, and moisture separation design is facilitated after the woven belt is soaked in liquid; the edge fixing area 102 is a dense knitting mode with good tensile resistance and wear resistance, and the width in this embodiment is the density of 10 knitting lines, wherein the transverse knitting lines are connected with the transverse knitting lines in the middle transition knitting area 101; the conductive circuit layer 103 is formed by densely weaving conductive wires, and in this embodiment, has a density of 12 woven wires.
In this embodiment, a braided wire is formed by PPS wire, and the cross-sectional diameter of the braided wire is 0.2mm.
In this embodiment, an aluminum wire is used to form the braided wire, and the cross-sectional diameter of the braided wire is 0.2mm.
Specific example 5:
as shown in fig. 7 to 8, a liquid leakage detection sensing system based on braid weaving of this embodiment differs from embodiment 1 in that:
the conductive circuit layer 103 is woven on the surface of the base layer and is positioned on the inner side of the middle transition weaving area 101, the whole width of the woven belt weaving type sensor 1 is 12mm, the width of the edge fixing area 102 is 2mm, the width of the middle transition weaving area 101 is 2mm, the width of the conductive circuit layer 103 is 3mm, and the conductive circuit layer 103, the middle transition weaving area 101 and the edge fixing area 102 are arranged in the radial direction; the middle transitional weaving area 101 is a sparse weaving mode facilitating moisture separation, the width in the embodiment is the density of 4 weaving lines, a square hollow-hole mode is formed, and moisture separation design is facilitated after the woven belt is soaked in liquid; the edge fixing area 102 is a dense knitting mode with good tensile resistance and wear resistance, and the width in this embodiment is the density of 8 knitting lines, wherein the transverse knitting lines are connected with the transverse knitting lines in the middle transition knitting area 101; the conductive line layer 103 is formed by densely weaving conductive lines, and has a density of 10 woven lines in this embodiment.
In this embodiment, a braided wire is formed by a PP wire, and the cross-sectional diameter of the braided wire is 0.25mm.
In the embodiment, the braided wire is formed by a carbon fiber composite core wire, and the cross section diameter of the braided wire is 0.25mm.
Specific example 6:
as shown in fig. 9 to 10, a liquid leakage detection sensing system based on braid weaving of this embodiment differs from embodiment 1 in that:
the system comprises a braid weaving sensor 1, a connector connected with the end part of the braid weaving sensor 1 and a controller 3 connected with the connector at the end part of the braid weaving sensor 1 through a signal input lead 31, wherein the controller 3 adopts a DGS-MD1C single-channel positioning type conductive liquid detection controller in the specific embodiment; the connector in the embodiment adopts the bridging connectors 21 positioned at two ends of the woven tape weaving sensor 1, and a zigzag fixing structure meshed with each other is arranged between the upper protective cover and the lower protective cover inside the connector, so that two ends of the woven tape weaving sensor 1 can be effectively fixed;
in this embodiment, the braid woven sensor 1 is composed of a substrate layer, a conductive circuit layer 103 and a bottom attaching layer 104; three middle transitional woven zones 101 and edge fixing zones 102 symmetrically positioned at two sides of the outermost end of the middle transitional woven zone 101 are arranged on the substrate layer; the number of the conductive circuit layers 103 is 4, and the conductive circuit layers are symmetrically woven between the middle transitional woven area 101 and the two edge fixing areas 102; the whole width of the woven ribbon sensor 1 is 28mm, the width of the edge fixing area 102 is 3mm, the width of the middle transition woven area 101 is 2mm, the width of the conductive circuit layer 103 is 4mm, and the conductive circuit layer 103, the middle transition woven area 101 and the edge fixing area 102 are arranged in the radial direction; the middle transitional weaving area 101 is a sparse weaving mode facilitating moisture separation, the width in the embodiment is specifically the density of 3 weaving lines, a square hollow-hole form is formed, and moisture separation design is facilitated after the woven belt is soaked by liquid; the edge fixing area 102 is a dense knitting mode with good tensile resistance and wear resistance, and the width in this embodiment is the density of 20 knitting lines, wherein the transverse knitting lines are connected with the transverse knitting lines in the middle transition knitting area 101; the conductive line layer 103 is formed by densely weaving conductive lines, and in this embodiment, has a density of 28 woven lines.
In the technical scheme, after the mesh belt woven sensor 1 is used as a liquid leakage sensing element and a circuit part of the mesh belt woven sensor is contacted with leaked liquid, the conductivity of a stroke conducting circuit is changed, the signal is sent to the controller 3 through the outgoing line, the current leakage state and the specific position information are obtained through the obtained signal and calculation, and the normal state can be recovered by wiping the surface of the mesh belt woven sensor 1 with a water absorbing material after leakage occurs. The system can detect the leakage detection of water, conductive liquid, acid, alkali, inorganic liquid and other wide liquids.
The system can detect the wide liquid leakage detection of water, conductive liquid, acid and alkali, inorganic substances and the like
In this embodiment, the DGS-MD1C single channel positioning type conductive liquid detection controller has a set of detection channels, and when it is connected to the woven tape weaving sensor 1 in this embodiment, the DGS-MD1C can detect the water on the monitoring tape, and in a short few seconds, it sends out an audible and visual alarm and displays the distance and position information of the leakage point, and uploads the data signal to the platform system through Relay and 485 interfaces. The test controller itself may store up to 99 alarm log messages.
As shown in fig. 9, the controller 3 draws out 4 core cables, i.e. signal input leads 31, and forms a group with the start crossover connector 21, and the start crossover connector 21, the woven tape sensor 1 and the terminal crossover connector 21 form a detection line.
The cable type liquid leakage sensor (hereinafter referred to as comparison example 1) and the film type organic liquid leakage sensor corresponding to the system with the application number of 201720093369.9 and named as "film type organic liquid leakage detection system", which are 15cm in length, are selected below, and are compared with the woven ribbon type sensor in the four embodiments in the technical scheme for strength, cost and acid and alkali resistance, so as to obtain the following test table, wherein the tensile test is a tensile force critical value of failure of the sensor after tensile force deformation, and is measured by using a woven ribbon tensile strength tester, and the acid and alkali resistance refers to a strong sodium oxide with the PH of 3 hydrochloric acid respectively and the PH of 13.6 respectively, and then the strong sodium oxide is placed and taken out, so that the following table is obtained:
table 1: sensor performance test meter
Has the advantages that:
the utility model provides a shape sensor is woven to meshbelt has good pull resistance, is difficult for dragging the damage, can refold or crooked do not damage the product, can produce overlength size whole roll product as required, can effectively resist the erosion of corrosive liquids such as acid-base, can high-efficiently detect water, extensive liquid leakage detection such as conducting solution, acid-base, inorganic class, the practicality is strong.
The preferred embodiments of the present application disclosed above are intended only to aid in the explanation of the application. The preferred embodiments are not exhaustive and do not limit the application to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the application and the practical application, to thereby enable others skilled in the art to best understand and utilize the application. The application is limited only by the claims and their full scope and equivalents.
Claims (8)
1. A liquid leakage detection sensing system based on woven shape of a woven belt is characterized by comprising a woven shape sensor (1);
the braid weaving type sensor (1) comprises an intermediate weaving area (101) and a plurality of conductive line layers (103), the intermediate weaving area (101) is arranged between every two adjacent conductive line layers (103) at intervals, and the conductive line layers (103) and the intermediate weaving area are arranged in the radial direction;
the middle transition weaving area (101) is woven in a sparse weaving mode convenient for moisture separation, and the conducting circuit layer (103) is woven in a conducting wire dense weaving mode.
2. A webbing-based knitted liquid leak detection sensing system according to claim 1, characterised in that the webbing knitted sensor (1) further comprises a bottom abutment layer (104) and an edge fixing zone (102);
the bottom laminating layer (104) is positioned at the bottom of the middle transitional woven area (101), the edge fixing area (102) and the conductive line layer (103);
the edge fixing areas (102) are positioned at two sides of the outermost end of the middle transitional woven area (101) and used for protecting the middle transitional woven area (101) and the conductive line layer (103), the middle transitional woven area (101) and the edge fixing areas (102) are arranged in the radial direction;
the edge fixing area (102) is formed by weaving in a dense weaving mode with good tensile resistance and wear resistance.
3. A woven-based liquid leak detection sensor system according to claim 2, wherein the woven-based sensor (1) comprises a substrate layer, the substrate layer comprising the intermediate woven region (101) and the edge fixing region (102).
4. A woven-tape-based liquid leakage detection sensing system according to claim 3, further comprising at least one woven-tape sensor (1), a connector connected to an end of the woven-tape sensor (1), and a controller (3) connected to the connector at the end of the woven-tape sensor (1) through a signal input lead (31), wherein:
the woven tape weaving sensor (1) is composed of the substrate layer, the conducting circuit layer (103) and the bottom attaching layer (104); the substrate layer is provided with at least one middle transitional woven region (101) and edge fixing regions (102) which are positioned at two sides of the outermost end of the middle transitional woven region (101); the conductive line layer (103) is woven on the surface of the base layer and is positioned on the inner side of the middle transitional woven area (101) or is woven between the middle transitional woven area (101) and the edge fixing area (102);
the conductive line layer (103), the intermediate transitional woven region (101) and the edge fixing region (102) are arranged in a radial direction; the middle transitional weaving area (101) is in a sparse weaving mode which is convenient for moisture to be separated, and the edge fixing area (102) is in a dense weaving mode which is good in tensile resistance and wear resistance; the conducting line layer (103) is in a conducting line dense weaving mode.
5. The woven liquid leakage detection and sensing system based on the braid as claimed in claim 4, wherein the substrate layer is woven by PET, PPS, PEEK, wool, PE, or woven threads of any one or more mixed materials of cotton threads, plaster threads, PP threads, SP threads, polyester threads and fiber materials.
6. The woven liquid leakage detection sensing system based on the woven ribbon is characterized in that the conductive circuit layer (103) is woven by woven wires made of any one or more of steel wires, tinned copper foils, stainless steel wires, copper wires, carbon fiber composite core wires, aluminum wires and alloy wires.
7. A woven braid-based liquid leakage detection sensor system as claimed in claim 5 or 6, wherein the cross-sectional diameter of the braided wire is 0.15-0.3mm.
8. A webbing-based knitted liquid leak detection sensor system according to claim 4, wherein the bottom adhesive layer (104) is in particular an adhesive layer based on an adhesive glue applied to the bottom of the base layer.
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| CN202210257453.7A CN114720061A (en) | 2022-03-16 | 2022-03-16 | Woven liquid leakage detection sensing system based on braid |
| CN2022102574537 | 2022-03-16 |
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| CN202210257453.7A Pending CN114720061A (en) | 2022-03-16 | 2022-03-16 | Woven liquid leakage detection sensing system based on braid |
| CN202211424799.8A Pending CN115752928A (en) | 2022-03-16 | 2022-11-14 | Woven liquid leakage detection sensing system based on braid |
| CN202223024048.5U Active CN218823007U (en) | 2022-03-16 | 2022-11-14 | Woven liquid leakage detection sensing system based on braid |
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