CN210293574U - Novel water leakage detection cable and water leakage detection system - Google Patents
Novel water leakage detection cable and water leakage detection system Download PDFInfo
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- CN210293574U CN210293574U CN201921597123.2U CN201921597123U CN210293574U CN 210293574 U CN210293574 U CN 210293574U CN 201921597123 U CN201921597123 U CN 201921597123U CN 210293574 U CN210293574 U CN 210293574U
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Abstract
The utility model is suitable for a cable field provides a novel detection cable leaks and detection system leaks, and this novel detection cable leaks has the layer that absorbs water at the outer parcel of cable body, to leaking the slight condition, this external layer that absorbs water of cable can absorb the water that spills, when absorbing water reaches an amount, thereby two parcel will short circuit initiation warning between the metal wire that covers conductive plastic layer, can prevent to leak the emergence of reporting to the police. In addition, even when the detection cable is placed on the metal ground, the two metal wires wrapped with the conductive plastic layers cannot be in direct contact with metal, the two metal wires are naturally not short-circuited due to metal contact, and the two metal wires wrapped with the conductive plastic layers are isolated from the metal wires wrapped with the non-conductive plastic layers through the insulating protrusions between the grooves because the metal wires are embedded in the grooves of the insulating axis body, so that the short circuit between the two metal wires is difficult to occur in a high-temperature environment or a dust environment, and the probability of false alarm is effectively reduced.
Description
Technical Field
The utility model belongs to the technical field of the cable, especially, relate to a novel detection cable leaks and detection system leaks.
Background
At present, various electronic devices are increasingly applied to the production and living fields, such as power plants, equipment rooms, computer rooms, telecommunication rooms, power rooms, building buildings, pipelines and the like, and the staggered distribution of various electric wires can cause potential safety hazards and affect the tidiness and the attractiveness of the use places, so that the electric wires are generally arranged in walls or floors.
Once water leakage occurs in the wall or the floor, the conditions inside the wall and in the floor cannot be visually seen, and dangerous conditions such as electric wire leakage or short circuit are likely to occur, so that the water leakage detection for pipelines, floors and walls is particularly important. The common detection mode is that two metal electrodes or two exposed metal wires are used as sensing devices and distributed in a detected place, and when water leakage occurs, leaked water can be used as a conductor to enable the two sensing devices to be in short circuit to trigger alarm.
In terms of working principle, two metal wires in the detection mode are opposite, and in a metal ground or a place subjected to lightning protection/antistatic treatment, the two metal wires are often short-circuited due to metal or high temperature or dust, so that false alarm is caused. And if the water leakage condition is slight, the leakage alarm condition can also occur when enough water cannot be gathered between the two sensing devices to be used as a conductor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is the wrong report of how to avoid in the detection of leaking is alert and leak the hourglass warning that leads to when not serious of leaking.
In order to solve the technical problem, in a first aspect, the utility model provides a novel water leakage detection cable, which comprises a cable body and a water absorption layer wrapped outside the cable body; the cable body comprises an insulating central axis body, four grooves spirally extending along the length direction are formed in the insulating central axis body, and the grooves are separated by insulating bulges; the first groove and the second groove are oppositely arranged, and the third groove and the fourth groove are oppositely arranged; a first metal wire and a second metal wire are respectively embedded in the first groove and the second groove, a third metal wire and a fourth metal wire are respectively embedded in the third groove and the fourth groove, the outer surfaces of the first metal wire and the second metal wire are respectively wrapped with a conductive plastic layer, and the outer surfaces of the third metal wire and the fourth metal wire are respectively wrapped with a non-conductive plastic layer; the height of the four grooves after being embedded into the corresponding metal wires is lower than that of the insulating bulges.
Further, the water absorbing layer is doped with a solute which can form a conductive solution after being dissolved in water.
Furthermore, a flexible metal wire is arranged at the position of the central shaft of the insulated central shaft body.
Further, the water-absorbing layer includes an ultraviolet-proof material.
Further, the ultraviolet-proof material is an ultraviolet-proof coating coated outside the water absorption layer.
Further, the ultraviolet-proof material is an ultraviolet-proof agent doped in the water absorption layer.
Further, the water absorbing layer is a fiber sleeve.
In a second aspect, the utility model also provides a water leakage detection system, water leakage detection system includes: a power module having a positive electrode and a negative electrode; a first conductive connection portion and a second conductive connection portion; according to the novel water leakage detection cable of the first aspect, the first end of the third metal wire is connected to the negative electrode, and the second end of the third metal wire is connected to the first end of the first metal wire; the second end of the first metal wire is connected with the first end of the fourth metal wire through the first conductive connecting part, the second end of the fourth metal wire is connected with the first end of the second metal wire, and the second end of the second metal wire is connected with the positive electrode through the second conductive connecting part; the electric parameter testing module is used for testing electric parameters on a loop formed by the power supply module, the first conductive connecting part, the second conductive connecting part and the novel water leakage detection cable; and the processor is connected with the electrical parameter testing module and determines the water leakage position according to the electrical parameters.
Furthermore, the electrical parameter testing module is a voltmeter or an ammeter; the voltmeter is connected in parallel with two ends of the first conductive connecting part or two ends of the second conductive connecting part; the ammeter is connected to any position on the power module, the first conductive connecting part, the second conductive connecting part and a loop formed by the novel water leakage detection cable.
Furthermore, the water leakage detection system further comprises a switch module, and the switch module is connected to any position of the power module, the first conductive connecting part and the second conductive connecting part, on a loop formed by the novel water leakage detection cable.
The utility model provides a novel it has the layer that absorbs water to leak detection cable parcel outside the cable body, to leaking the slight condition, this external layer that absorbs water of cable can absorb the water that spills, when absorbing water reaches an amount, thereby two parcel will short circuit initiation report to the police between the metal wire that covers conductive plastic layer, can prevent to leak the appearance of reporting to the police. In addition, the outside of cable body sets up after absorbing water the layer, even when placing the detection cable on metal ground, two wrap up in the metal wire that covers conductive plastic layer can not with metal direct contact, just can not be because of contacting the metal short circuit between the two naturally, and because the metal wire is embedded in the recess of insulating axis line body, it is isolated with the metal wire that wraps up in non-conductive plastic layer through insulating protruding and the parcel between the metal wire that covers between the recess to wrap up in two wrap up in the metal wire that covers conductive plastic layer, even when placing the detection cable in the place of doing lightning protection/antistatic processing, high temperature or dust also hardly with the short circuit between the two, effectively reduced the alert probability of wrong report.
Drawings
Fig. 1 is a structural diagram of a novel water leakage detection cable according to a first embodiment of the present invention;
fig. 2 is a cross-sectional view of the novel water leakage detection cable according to the first embodiment of the present invention;
fig. 3 is a structural diagram of a water leakage detection system according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model discloses the structure of the novel detection cable that leaks that the first embodiment provided is shown in fig. 1, fig. 2, and this novel detection cable that leaks includes that cable body 1 and parcel absorb water layer 2 outside cable body 1, and cable body 1 includes an insulating axis body, is equipped with on this insulating axis body along length direction spiral extension's first recess 11, second recess 12, third recess 13 and fourth recess 14, and is isolated through insulating arch 15 between each recess, and insulating arch 15 is equally along the length direction spiral extension of insulating axis body. The first groove 11 and the second groove 12 are oppositely arranged, and the third groove 13 and the fourth groove 14 are oppositely arranged. First metal wires 1611 and second metal wires 1621 are embedded in the first groove 11 and the second groove 12 respectively, third metal wires 1631 and fourth metal wires 1641 are embedded in the third groove 13 and the fourth groove 14 respectively, a conductive plastic layer 1612 is wrapped on the outer surface of the first metal wires 1611, a conductive plastic layer 1622 is wrapped on the outer surface of the second metal wires 1621, a non-conductive plastic layer 1632 is wrapped on the outer surface of the third metal wires 1631, a non-conductive plastic layer 1642 is wrapped on the outer surface of the fourth metal wires 1641, and the unit-length resistances of the four metal wires are precisely processed and are constant. The height of the four grooves after being embedded in the corresponding metal lines is lower than that of the insulating protrusions 15.
The outside of cable body 1 sets up after layer 2 that absorbs water, even when will detect the cable and place on metal ground, two wrap up in the metal wire that covers conductive plastic layer also can not with metal direct contact, just can not be because of the contact metal short circuit between the two naturally, and because the metal wire is embedded in the recess of insulating axis line body, wrap up in two and cover through insulating protruding 15 between the recess and wrap up in the metal wire that covers non-conductive plastic layer between the metal wire that covers conductive plastic layer and isolated, even when will detect the cable and place when doing the lightning protection/prevent electrostatic treatment, high temperature or dust also hardly will short circuit between the two, the probability of wrong report is effectively reduced.
Considering that pure water may be used in a water leakage situation, such as a semiconductor factory such as a chip, etc., which may not conduct electricity due to no carriers and may not normally detect water leakage and thus give a leakage alarm, it is preferable that a solute, such as sodium chloride, potassium hydroxide, sodium carbonate, etc., which may form a conductive solution after being dissolved in water, is doped in the water-absorbing layer 2, and when the water-absorbing layer 2 absorbs water, the doped solute may be dissolved and a conductive solution may be formed, and since the first metal wire 1611 and the second metal wire 1621 are located inside the water-absorbing layer 2, the coated conductive plastic layers 1612 and 1622 may be in direct contact with the conductive solution, and the first metal wire 1611 and the second metal wire 1621 are short-circuited by the conductive solution, so that water leakage may be normally detected.
In addition, considering that sometimes water leakage may need to be detected in an open air environment, the detection cable needs to be placed outdoors and is easy to age after being irradiated by ultraviolet light, and then breaks or damages, and the service life is affected, therefore, the water absorption layer 2 may further include an ultraviolet-proof material, which may be specifically implemented in two ways, one is to coat an ultraviolet-proof coating on the outside of the water absorption layer 2, and the other is to directly dope an ultraviolet-proof agent in the water absorption layer 2. Through the blocking or ultraviolet absorption of the ultraviolet-proof material, the metal wires in the detection cable cannot be aged, and the service life is prolonged.
Above-mentioned layer 2 that absorbs water can adopt the fibre cover to realize, works as the utility model provides a novel when leaking the detection cable and using in long distance or crooked pipeline, the fibre cover also can increase vertical tensile resistance, when being stimulateeed, is unlikely to unable bearing pulling force and fracture or damage. When the cable is applied to an environment containing sharp objects such as sand and stones, the fiber sleeve can also protect the cable body 1 from being scratched by the sand and stones and the like.
In addition, the position of the central shaft of the insulated central shaft body is also provided with a flexible metal wire 17, so that the overall flexibility of the cable can be increased, and the flexible metal wire 17 can be a copper wire.
The utility model discloses the second embodiment provides a detection system leaks, as shown in fig. 3, including power module P, first electrically conductive connecting portion C1, second electrically conductive connecting portion C2, first embodiment novel leak and detect cable, electrical parameter test module 3, treater 4, concrete connection is as follows:
for the novel water leakage detection cable, the first end of the third metal wire 1631 is connected to the negative electrode of the power module P, the second end of the third metal wire 1631 is connected to the first end of the first metal wire 1611, the second end of the first metal wire 1611 is connected to the first end of the fourth metal wire 1641 through the first conductive connecting portion C1, the second end of the fourth metal wire 1641 is connected to the first end of the second metal wire 1621, and the second end of the second metal wire 1621 is connected to the positive electrode of the power module P through the second conductive connecting portion C2.
The electric parameter testing module 3 is used for testing electric parameters on a loop formed by the power supply module P, the first conductive connecting part C1, the second conductive connecting part C2 and the novel water leakage detection cable. The leakage detection device can be realized by adopting an ammeter or a voltmeter, the voltmeter can be connected in parallel at two ends of the first conductive connecting part C1 or two ends of the second conductive connecting part C2, and the ammeter is connected at any position of a loop formed by the power module P, the first conductive connecting part C1, the second conductive connecting part C2 and the novel leakage detection cable.
The processor 4 is connected with the electrical parameter testing module 3 and is used for determining the water leakage position according to the electrical parameters measured by the electrical parameter testing module 3.
Further, a switch module K can be arranged at any position of a loop formed by the power module P, the first conductive connecting part C1, the second conductive connecting part C2 and the novel water leakage detection cable, so that the switch module K is switched on when water leakage needs to be detected, and the switch module K is switched on and off when water leakage does not need to be detected.
The detection principle of the water leakage detection system is as follows: the impedance of the four metal wires is fixed, the electric parameter measured by the electric parameter testing module 3 when no water leakage exists is taken as a reference value, when water leakage occurs, the first metal line 1611 and the second metal line 1621 are short-circuited, in fig. 3, all of the portion of the first metal line 1611, the portion of the second metal line 1621, and the fourth metal line 1641 do not participate in voltage division, the impedance of the whole circuit decreases, the electrical parameter measured by the electrical parameter testing module 3 changes, and the processor 4 calculates the effective lengths of the first metal line 1611 and the second metal line 1621 according to the ohm's law, so as to obtain the location of the fault leakage point, for example, the short circuit position corresponding to each electrical parameter value can be determined in advance through testing, so that when the processor 4 receives the electrical parameters measured by the electrical parameter testing module 3, the water leakage position is directly positioned by searching the corresponding relation between the electric parameter value and the short circuit position.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The novel water leakage detection cable is characterized by comprising a cable body and a water absorption layer wrapped outside the cable body;
the cable body comprises an insulating central axis body, four grooves spirally extending along the length direction are formed in the insulating central axis body, and the grooves are separated by insulating bulges; the first groove and the second groove are oppositely arranged, and the third groove and the fourth groove are oppositely arranged; a first metal wire and a second metal wire are respectively embedded in the first groove and the second groove, a third metal wire and a fourth metal wire are respectively embedded in the third groove and the fourth groove, the outer surfaces of the first metal wire and the second metal wire are respectively wrapped with a conductive plastic layer, and the outer surfaces of the third metal wire and the fourth metal wire are respectively wrapped with a non-conductive plastic layer; the height of the four grooves after being embedded into the corresponding metal wires is lower than that of the insulating bulges.
2. The novel water leakage detection cable according to claim 1, wherein said water-absorbing layer is doped with a solute that forms a conductive solution when dissolved in water.
3. The new water leakage detecting cable according to claim 1, wherein a flexible metal wire is provided at a position of a central axis of said insulating central axial wire body.
4. The novel water leak detection cable of claim 1, wherein said water absorbing layer comprises an ultraviolet resistant material.
5. The novel water leak detection cable of claim 4, wherein said uv blocking material is a uv blocking coating applied to the outside of said water absorbent layer.
6. The novel water leakage detection cable according to claim 4, wherein said anti-ultraviolet material is an anti-ultraviolet agent doped in said water absorbing layer.
7. The novel water leakage detection cable according to any one of claims 1 to 6, wherein said water absorbing layer is a fiber sheath.
8. A water leak detection system, comprising:
a power module having a positive electrode and a negative electrode;
a first conductive connection portion and a second conductive connection portion;
the device of any of claims 1 to 7, a first end of the third metal line being connected to the negative electrode, a second end of the third metal line being connected to the first end of the first metal line; the second end of the first metal wire is connected with the first end of the fourth metal wire through the first conductive connecting part, the second end of the fourth metal wire is connected with the first end of the second metal wire, and the second end of the second metal wire is connected with the positive electrode through the second conductive connecting part;
the electric parameter testing module is used for testing electric parameters on a loop formed by the power supply module, the first conductive connecting part, the second conductive connecting part and the novel water leakage detection cable;
and the processor is connected with the electrical parameter testing module and determines the water leakage position according to the electrical parameters.
9. The water leak detection system of claim 8, wherein said electrical parameter testing module is a voltmeter or an ammeter;
the voltmeter is connected in parallel with two ends of the first conductive connecting part or two ends of the second conductive connecting part;
the ammeter is connected to any position on the power module, the first conductive connecting part, the second conductive connecting part and a loop formed by the novel water leakage detection cable.
10. The water leak detection system of claim 8, further comprising a switch module connected to any position on the power module, the first and second conductive connections, and the loop formed by the novel water leak detection cable.
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| CN201921597123.2U CN210293574U (en) | 2019-09-24 | 2019-09-24 | Novel water leakage detection cable and water leakage detection system |
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| CN201921597123.2U CN210293574U (en) | 2019-09-24 | 2019-09-24 | Novel water leakage detection cable and water leakage detection system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710435A (en) * | 2020-12-18 | 2021-04-27 | 张家港宏昌钢板有限公司 | Regulator cubicle cooling water seepage detecting system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112710435A (en) * | 2020-12-18 | 2021-04-27 | 张家港宏昌钢板有限公司 | Regulator cubicle cooling water seepage detecting system |
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| TR01 | Transfer of patent right |
Effective date of registration: 20200729 Address after: 518000 unit 2206, 22 / F, block D, building 3, Tianan Yungu Industrial Park, 2018 Xuegang Road, Bantian street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen New Technology Co., Ltd Address before: 518000 Guangdong city of Shenzhen province Luohu District Dongxiao Street golden rice road hung Chui A building 609 Patentee before: SHENZHEN STONEU TECHNOLOGY Co.,Ltd. |
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