CN114324478A

CN114324478A - Liquid leakage detection device and system

Info

Publication number: CN114324478A
Application number: CN202210004083.6A
Authority: CN
Inventors: 王炳坤
Original assignee: De Rucci Healthy Sleep Co Ltd
Current assignee: De Rucci Healthy Sleep Co Ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-04-12

Abstract

The invention discloses a liquid leakage detection device and a liquid leakage detection system. The liquid leakage detection device comprises a liquid leakage detection layer and an alarm module; the liquid leakage detection layer is provided with an anode conducting wire and a cathode conducting wire; the alarm module is electrically connected with the anode conducting wire and the cathode conducting wire; the anode conducting wire and the cathode conducting wire are used for conducting when liquid is detected; the alarm module is used for sending alarm information when the anode conducting wire and the cathode conducting wire are conducted. By adopting the scheme, the effects of large detection range and simple process are realized.

Description

Liquid leakage detection device and system

Technical Field

The embodiment of the invention relates to a liquid leakage detection technology, in particular to a liquid leakage detection device and a liquid leakage detection system.

Background

At present, many liquid leakage phenomena exist in life, for example, many babies, children and some people with bedwetting diseases easily urinate accidentally, and women easily leak menstrual blood on a bed when the physiological period is up, etc., the situation of accidental urination may be that the bed is on the bed or the trousers are urinated, etc., and in cold winter, the liquid-discharging person is easily catch a cold, and the disease condition of the liquid-discharging person is aggravated.

The existing liquid leakage detection generally uses a detection sensor for detection, for example, a humidity sensor, the detection sensor is point detection, the detection range is narrow, if large-area detection is carried out, a plurality of detection sensors need to be embedded, and thus, the manufacturing circuit is complex, the cost is high, the circuit wiring is multiple, and the processing technology is complex.

Disclosure of Invention

The invention provides a liquid leakage detection device and a liquid leakage detection system, which aim to achieve the effects of large detection range and simple process.

In a first aspect, an embodiment of the present invention provides a liquid leakage detection apparatus, where the liquid leakage detection apparatus includes a liquid leakage detection layer and an alarm module;

the liquid leakage detection layer is provided with an anode conducting wire and a cathode conducting wire;

the alarm module is electrically connected with the anode conducting wire and the cathode conducting wire;

the anode conducting wire and the cathode conducting wire are used for conducting when liquid is detected;

the alarm module is used for sending alarm information when the anode conducting wire and the cathode conducting wire are conducted.

In an optional embodiment of the present invention, the anode conductive line includes a plurality of sets of anode branches arranged at intervals, and the cathode conductive line includes a plurality of sets of cathode branches arranged at intervals;

the multiple groups of anode branch lines and the multiple groups of cathode branch lines are sequentially arranged in a staggered manner;

the multiple groups of anode branch lines are all conducted;

and the cathode branch lines are all conducted.

In an alternative embodiment of the present invention, the plurality of sets of the anode branches and/or the plurality of sets of the cathode branches are formed by bending a single conductive wire.

In an alternative embodiment of the invention, the anode conductive wire and/or the cathode conductive wire comprise a conductive metal fiber blended yarn.

In an alternative embodiment of the present invention, the liquid leakage detecting device further comprises a first connector and a second connector which are connectable and separable;

the anode conductive wire and the cathode conductive wire are both electrically connected with the first connector;

the second connector is electrically connected with the alarm module;

the first connector and the second connector are used for electrically connecting the alarm module with the anode conducting wire and the cathode conducting wire during connection and disconnecting the alarm module with the anode conducting wire and the cathode conducting wire during separation.

In an optional embodiment of the present invention, the alarm module includes a processing sub-module and an alarm sub-module;

the processing submodule comprises a first input end, a second input end and an output end, wherein the first input end is used for being electrically connected with the anode conductive wire, and the second input end is used for being electrically connected with the cathode conductive wire;

the anode conductive line and the cathode conductive line are used for reducing the resistance between the first input end and the second input end when liquid is detected;

the output end of the processing submodule is electrically connected with the alarm submodule, and the processing submodule is used for sending an alarm control signal to the alarm submodule when the resistance between the first input end and the second input end is reduced;

the alarm submodule is used for sending alarm information when receiving the alarm control signal.

In an optional embodiment of the present invention, the processing submodule includes a first triode, a second triode, a third triode, a first resistor, a second resistor, a third resistor, a fourth resistor, and a fifth resistor;

the second input end is electrically connected with one end of the second resistor, and the other end of the second resistor is electrically connected with the base electrode of the first triode;

the collector of the first triode is electrically connected with the first input end;

one end of the fifth resistor is electrically connected with the base electrode of the first triode, and the other end of the fifth resistor is electrically connected with the ground;

an emitting electrode of the first triode is electrically connected with one end of the fourth resistor, and the other end of the fourth resistor is electrically connected with a base electrode of the third triode;

the emitter of the third resistor is electrically connected to the ground, the collector of the third triode is electrically connected with one end of the first resistor, and the other end of the first resistor and the collector of the first triode are both electrically connected to a direct current voltage;

one end of the third resistor is electrically connected with a collector electrode of a third triode, the other end of the third triode is electrically connected with a base electrode of the second triode, and an emitting electrode of the second triode is electrically connected with direct-current voltage;

the collector electrode of the second triode is electrically connected with the input end of the alarm submodule, and the output end of the alarm submodule is electrically connected to the ground;

the first triode and the third triode are NPN type triodes, and the second triode is a PNP type triode.

In an alternative embodiment of the invention, the alarm submodule comprises at least one of a buzzer and an alarm lamp.

In an alternative embodiment of the present invention, the liquid-leakage detecting layer includes a water-absorbent base layer, and the anode conductive wire and the cathode conductive wire are both disposed on the water-absorbent base layer.

In an alternative embodiment of the invention, the water-absorbent substrate comprises needle punched water absorbent cotton.

In an optional embodiment of the present invention, the liquid leakage detecting device further comprises a waterproof layer disposed at the bottom of the liquid leakage detecting layer.

In an alternative embodiment of the invention, the liquid leak detection device further comprises a face fabric layer arranged on top of the liquid leak detection layer.

In a second aspect, an embodiment of the present invention further provides a liquid leakage detecting system, where the liquid leakage detecting system includes a system body and the liquid leakage detecting device according to any embodiment of the present invention;

the liquid leakage detection device is arranged on the system body.

In an alternative embodiment of the present invention, the system body comprises at least one of a mattress body, a diaper body, and a test pad body.

According to the invention, the anode conducting wire and the cathode conducting wire are conducted when liquid is detected, so that the alarm module sends alarm information when the anode conducting wire and the cathode conducting wire are conducted, and a user can know whether the liquid leakage phenomenon occurs to the user in time. Because the anode conducting wire and the cathode conducting wire are linear, and no excessive parts are arranged inside the anode conducting wire and the cathode conducting wire, the anode conducting wire and the cathode conducting wire can be conveniently laid in a large area and are detected in a linear surface mode, compared with the mode that a humidity sensor is adopted to detect liquid, the detection range is large, the manufacturing circuit is simple, the cost is low, and the effects of large detection range and simple process are achieved.

Drawings

Fig. 1 is a schematic structural diagram of a liquid leakage detection apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of another liquid leakage detection apparatus according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of the connection between the anode conductive wire and the cathode conductive wire and the alarm module according to an embodiment of the present invention;

FIG. 4 is a schematic circuit diagram of an alarm module according to an embodiment of the present invention;

FIG. 5 is a schematic side view of a liquid leakage detection apparatus according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a liquid leakage detecting system according to a second embodiment of the present invention.

Wherein, 1, liquid leakage detection layer; 10. a water-absorbing base layer; 11. an anode conductive line; 111. an anode branch line; 12. a cathode conductive line; 121. a cathode branch line; 2. an alarm module; 21. a processing submodule; 210. a first input terminal; 211. a second input terminal; 212. an output end; 213. a first triode; 214. a second triode; 215. a third triode; 216. a first resistor; 217. a second resistor; 218. a third resistor; 219. a fourth resistor; 2110. a fifth resistor; 22. an alarm submodule; 3. a first connector; 4. a second connector; 5. a waterproof layer; 6. a fabric layer; 100. a liquid leakage detection device; 200. and (4) a system body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

Example one

Fig. 1 is a schematic structural diagram of a liquid leakage detection device according to an embodiment of the present invention, and as shown in fig. 1, the liquid leakage detection device includes a liquid leakage detection layer 1 and an alarm module 2.

The liquid leakage detection layer 1 is provided with an anode conductive wire 11 and a cathode conductive wire 12.

The alarm module 2 is electrically connected with both the anode conductive wire 11 and the cathode conductive wire 12.

The anode conductive line 11 and the cathode conductive line 12 are used to conduct when liquid is detected.

The alarm module 2 is used for sending alarm information when the anode conducting wire 11 and the cathode conducting wire 12 are conducted.

The anode conductive wire 11 and the cathode conductive wire 12 refer to conductive linear members, and in a specific embodiment, the anode conductive wire 11 and the cathode conductive wire 12 may be both metal conductive wires.

The alarm information refers to information that enables a user to perceive, such as sound, light, and smell.

The alarm module 2 refers to a module capable of emitting information perceived by a user.

Since the liquid has a certain conductive function, when the liquid permeates into the liquid leakage detection layer 1, the anode conductive line 11 and the cathode conductive line 12 are conducted by the liquid.

Above-mentioned scheme utilizes the characteristic that liquid can be electrically conductive, switches on when detecting liquid through adopting positive pole conducting wire 11 and negative pole conducting wire 12, and then makes alarm module 2 send alarm information when positive pole conducting wire 11 and negative pole conducting wire 12 switch on to the user can in time learn the phenomenon that the liquid seepage appears in the user. Because the anode conducting wire 11 and the cathode conducting wire 12 are linear, and no excessive parts are arranged inside, the anode conducting wire and the cathode conducting wire can be conveniently laid in a large area to perform linear surface detection, and compared with the method of detecting liquid by adopting a humidity sensor, the liquid detection device has the advantages of large detection range, simple manufacturing circuit, low cost, and realization of the effects of large detection range and simple process.

In addition, the liquid leakage detection device can be applied to families, nursing homes, hospitals and the like with liquid leakage, can accurately know the specific conditions of the user such as bed wetting, urinary incontinence, menstrual blood leakage and the like, and enables the housekeeper or nursing staff to know whether the bed wetting, the urinary incontinence, the menstrual blood leakage and the like exist or not at the first time and change the bed wetting, the urinary incontinence, the menstrual blood leakage and the like in time, so that the user can get a better care in time, and particularly under the condition that the nursing cost is continuously increased due to the aging of Chinese and world population and the shortage of labor force, the nursing and nursing efficiency can be greatly improved, and the user cost is reduced.

In an alternative embodiment of the present invention, as shown in fig. 1, the anode conductive line 11 includes a plurality of sets of anode branches 111 arranged at intervals, and the cathode conductive line 12 includes a plurality of sets of cathode branches 121 arranged at intervals.

The plurality of sets of anode branch lines 111 and the plurality of sets of cathode branch lines 121 are sequentially staggered.

The sets of anode legs 111 are all conducting.

The sets of cathode legs 121 are all conducting.

As shown in fig. 1, the plurality of sets of anode branch lines 111 and the plurality of sets of cathode branch lines 121 may be horizontally arranged in a staggered manner, and may also be obliquely arranged in a staggered manner, as long as the plurality of sets of anode branch lines 111 are all conducted and the plurality of sets of cathode branch lines 121 are all conducted. By arranging the plurality of groups of anode branch lines 111 and the plurality of groups of cathode branch lines 121 in a staggered manner in sequence, whether a user discharges liquid or not can be conveniently detected, the phenomenon of missed detection caused by the fact that liquid only contacts the anode branch lines 111 or the cathode branch lines 121 is not easy to occur, and the detection precision is high.

Illustratively, the plurality of sets of anode legs 111 are formed by bending a single conductive wire.

Wherein, by bending the plurality of groups of anode branch lines 111 by a single conductive wire, the plurality of groups of anode branch lines 111 can be conveniently processed.

Illustratively, the sets of cathode legs 121 are formed from a single bend of conductive wire.

Wherein, by bending the plurality of sets of cathode branch lines 121 from a single conductive line, the plurality of sets of cathode branch lines 121 can be conveniently processed.

Specifically, the anode conductive wire 11 and/or the cathode conductive wire 12 include conductive metal fiber blended yarns.

The conductive metal fiber blended yarn has the characteristics of small resistance, good heat conductivity and high melting point, and meanwhile, the yarn body is very smooth, no burrs on other sewing yarn bodies exist, and the conductive metal fiber blended yarn has the characteristics of conductivity, high temperature resistance and the like; the fabric has good washing resistance, bending resistance, wear resistance and other performances, good skin-friendly performance, good antistatic effect, no irritation, and can be used by being attached to the body, and is also suitable for various antistatic fabrics. The fabric is generally suitable for various clothes, underwear and bedding, and is popular with a plurality of processing enterprises and manual enthusiasts once being on the market. Not only completely keeps the strength of the basic yarn and considers the exposure of the functional fiber, but also meets the requirement of attractive appearance of the fabric. Therefore, the anode conductive wire 11 and/or the cathode conductive wire 12 are/is made of the conductive metal fiber blended yarn, so that the use feeling of a user is better, the user is not easy to feel foreign body during detection, and meanwhile, the durability is strong.

In an alternative embodiment of the present invention, the liquid-leakage detecting layer 1 includes a water-absorbent base layer 10, and both the anode conductive wire 11 and the cathode conductive wire 12 are disposed on the water-absorbent base layer 10.

Wherein, the water absorption basic unit 10 indicates the layer body that the material that adopts to have water absorption capacity made, through all setting up positive pole conductor wire 11 and negative pole conductor wire 12 on the water absorption basic unit 10, because the water absorption basic unit 10 has the characteristic of absorbing water, so can absorb liquid fast to positive pole conductor wire 11 and negative pole conductor wire 12 that set up on the water absorption basic unit 10 can be comparatively convenient quick detect out liquid, and the user also can feel ventilative dry simultaneously, uses comparatively comfortablely.

In addition, the anode conductive wire 11 and the cathode conductive wire 12 may be disposed on the water absorbent base layer 10 in various manners, for example, they may be adhesively fixed on the water absorbent base layer 10, or may be sewn on the water absorbent base layer 10 by sewing, and the fixing manner is not particularly limited herein.

In a specific embodiment of the present invention, when the anode conductive line 11 includes a plurality of sets of anode branches 111 arranged at intervals, the plurality of sets of anode branches 111 arranged at intervals can be sewn and fixed on the water-absorbent base layer 10. In addition, the plurality of sets of anode branch lines 111 are formed by bending and sewing a single conductive wire to be fixed on the water absorbing base layer 10.

In a specific embodiment of the present invention, when the cathode conductive line 12 includes a plurality of sets of cathode branches 121 spaced apart from each other, the plurality of sets of cathode branches 121 spaced apart from each other may be sewn and fixed on the water absorbent base layer 10. In addition, the plurality of sets of cathode branch lines 121 are formed by bending and sewing a single conductive wire to be fixed on the water absorbent base layer 10.

Illustratively, the absorbent substrate 10 comprises needle punched absorbent cotton.

The acupuncture water absorption cotton has the characteristics of rubbing resistance, no deformation, ventilation and drying, repeated use, no waste, long service life and good water absorption, is used as the water absorption base layer 10, and then the anode conductive wire 11 and the cathode conductive wire 12 are both arranged on the acupuncture water absorption cotton, so that liquid can be detected quickly.

In an alternative embodiment of the present invention, as shown in fig. 2, the liquid leakage detecting device 100 further includes a first connector 3 and a second connector 4 which are attachable and detachable.

The anode conductive line 11 and the cathode conductive line 12 are electrically connected to the first connector 3.

The second connector 4 is electrically connected with the alarm module 2.

The first connector 3 and the second connector 4 are used for electrically connecting the alarm module 2 with the anode conductive wire 11 and the cathode conductive wire 12 during connection and disconnecting the alarm module 2 from the anode conductive wire 11 and the cathode conductive wire 12 during separation.

In a specific embodiment, the first connector 3 and the second connector 4 can be a male connector and a female connector that are adapted to each other, when the first connector 3 is a male connector, the second connector 4 is a female connector, and when the second connector 4 is a male connector, the first connector 3 can be a female connector.

Through making positive pole conducting wire 11 and negative pole conducting wire 12 and alarm module 2 realize electric connection and separation through first connector 3 and second connector 4 to be convenient for clean when positive pole conducting wire 11 and negative pole conducting wire 12 contact liquid comparatively dirty needs to clean.

In an alternative embodiment of the invention, as shown in fig. 3, the alarm module 2 comprises a processing submodule 21 and an alarm submodule 22.

The processing submodule 21 comprises a first input 210, a second input 211 and an output 212, the first input 210 being intended to be electrically connected to the anode conductive line 11, the second input 211 being intended to be electrically connected to the cathode conductive line 12;

the anode conductive line 11 and the cathode conductive line 12 are used to decrease the resistance between the first input terminal 210 and the second input terminal 211 when liquid is detected.

The output 212 of the processing submodule 21 is electrically connected to the alarm submodule 22, and the processing submodule 21 is configured to send an alarm control signal to the alarm submodule 22 when the resistance between the first input 210 and the second input 211 decreases.

The alarm submodule 22 is configured to send out alarm information upon receiving the alarm control signal.

The processing submodule 21 is a module capable of sending an alarm control signal to the alarm submodule 22 when the resistance between the first input end 210 and the second input end 211 is reduced, and the alarm submodule 22 is a module capable of sending alarm information according to the alarm control signal.

When the anode conductive line 11 and the cathode conductive line 12 are not in contact with the liquid, the resistance of the anode conductive line 11 and the cathode conductive line 12 is infinite due to non-conduction and is regarded as an open circuit, and when both the anode conductive line 11 and the cathode conductive line 12 are in contact with the liquid, the resistance between the anode conductive line 11 and the cathode conductive line 12 is reduced due to the conductive function of the liquid, so that the resistance between the first input end 210 and the second input end 211 is reduced.

Above-mentioned scheme, through positive pole conducting wire 11 and negative pole conducting wire 12 can be convenient make the resistance between first input 210 and the second input 211 reduce when detecting liquid, and then handle submodule piece 21 and can send alarm control signal to warning submodule piece 22, and then warning submodule piece 22 can send alarm information when according to alarm control signal, the phenomenon of whether unexpected flowing back appears in the understanding that the event user can be convenient, the condition that can convenient detection liquid unexpected seepage, for example when liquid is the urine, can detect whether the user urinates bed or urine trousers etc. when liquid is blood, can detect out the phenomenon that whether the user appears the menstruation blood seepage.

Further, on the basis of the above-described embodiment, when the liquid leakage detecting apparatus further includes the first connector 3 and the second connector 4 which are connectable and separable, both the anode conductive wire 11 and the cathode conductive wire 12 are electrically connected to the first connector 3; the second connector 4 is electrically connected with both the first input end 210 and the second input end 211, when the first connector 3 is connected with the second connector 4, the anode conductive wire 11 is electrically connected with the first input end 210, and the cathode conductive wire 12 is electrically connected with the second input end 211; when the first connector 3 and the second connector 4 are separated, the anode conductive line 11 is electrically disconnected from the first input terminal 210, and the cathode conductive line 12 is electrically disconnected from the second input terminal 211. In this way, when the alarm module 2 comprises the processing submodule 21 and the alarm submodule 22, the alarm module 2 and the anode conducting wire 11 and the cathode conducting wire 12 can be conveniently connected or separated, so that when the anode conducting wire 11 and the cathode conducting wire 12 are contacted with liquid, the liquid is dirty and needs to be cleaned, and the cleaning is convenient.

Based on the above embodiment, as shown in fig. 4, the processing submodule 21 includes the first transistor 213, the second transistor 214, the third transistor 215, the first resistor 216, the second resistor 217, the third resistor 218, the fourth resistor 219, and the fifth resistor 2110.

The second input terminal 211 is electrically connected to one end of the second resistor 217, and the other end of the second resistor 217 is electrically connected to the base of the first transistor 213.

The collector of the first transistor 213 is electrically connected to the first input terminal 210.

One end of the fifth resistor 2110 is electrically connected to the base of the first transistor 213, and the other end of the fifth resistor 2110 is electrically connected to ground.

The emitter of the first transistor 213 is electrically connected to one end of a fourth resistor 219, and the other end of the fourth resistor 219 is electrically connected to the base of the third transistor 215.

The emitter of the third resistor 218 is electrically connected to ground, the collector of the third transistor 215 is electrically connected to one end of the first resistor 216, and the other end of the first resistor 216 and the collector of the first transistor 213 are both electrically connected to a dc voltage.

One end of the third resistor 218 is electrically connected to the collector of the third transistor 215, the other end of the third transistor 215 is electrically connected to the base of the second transistor 214, and the emitter of the second transistor 214 is electrically connected to the dc voltage.

The collector of the second transistor 214 is electrically connected to the input of the alarm submodule 22, and the output 212 of the alarm submodule 22 is electrically connected to ground.

The first transistor 213 and the third transistor 215 are NPN transistors, and the second transistor 214 is a PNP transistor.

When the liquid does not leak, the resistance between the anode conductive line 11 and the cathode conductive line 12 is infinite, which is regarded as an open circuit, at this time, the base of the first triode 213 is at a low level, the first triode 213 is turned off, the third triode 215 is turned off, and the collector of the third triode 215 outputs a high level, so that the second triode 214 is turned off, and the alarm submodule 22 cannot receive the alarm control information and does not send out alarm information. When the liquid leaks, the anode conductive wire 11 and the cathode conductive wire 12 are both contacted with the liquid to realize conduction, and the resistance between the anode conductive wire 11 and the cathode conductive wire 12 is reduced. For example, when the liquid is urine, the main components in the urine are water and inorganic salts, so that the resistance between the anode conductive line 11 and the cathode conductive line 12 decreases. At this time, the voltage divided by the second resistor 217 and the fifth resistor 2110 increases the base voltage of the first triode 213, so that the first triode 213 and the third triode 215 are conducted, the collector output of the third triode 215 is at a low level, the collector and the emitter of the second triode 214 are conducted, and the alarm submodule 22 sends out alarm information when receiving the alarm control signal. In this way, the alarm submodule 22 can conveniently send alarm information when the resistance between the first input end 210 and the second input end 211 is reduced.

Further, in one particular embodiment, the DC voltage may be 2.5V-5.5V.

Preferably, the direct current voltage is also 3.3V.

In an alternative embodiment of the present invention, the alarm submodule 22 includes at least one of a buzzer and an alarm lamp.

The buzzer is an electronic buzzer with an integrated structure, adopts direct-current voltage for power supply, and is widely applied to electronic products such as computers, printers, copiers, alarms, electronic toys, automobile electronic equipment, telephones, timers and the like as a sounding device. When the alarm submodule 22 includes a buzzer, the alarm information corresponds to a buzzer sound, so that the user can know that there is a liquid leakage when hearing the buzzer sound. In a particular embodiment, the buzzer is in particular an active buzzer.

The warning light is extensively applicable to various special places and makes warning sign, and when warning submodule 22 includes the warning light, the corresponding light that is having alarm function of alarm information, when the user sees the light that the alarm light sent, alright know that liquid leakage phenomenon has appeared, for example know the user when the user urinates the bed and has urinated the bed.

In an alternative embodiment of the present invention, as shown in fig. 3, the alarm module 2 further includes a power supply module (not shown in the figure), and the power supply module is electrically connected to the processing sub-module and/or the alarm module and is configured to provide an operating voltage to the processing sub-module and/or the alarm module.

The power supply module comprises a battery, and particularly, the battery is a polymer battery, and the polymer battery has the characteristics of preventing external short circuit, internal short circuit or micro short circuit, can be charged for multiple times, and is convenient to use.

In an alternative embodiment of the present invention, as shown in fig. 5, the liquid leakage detecting device further includes a waterproof layer 5, and the waterproof layer 5 is disposed at the bottom of the liquid leakage detecting layer 1.

Wherein, the waterproof layer 5 refers to a layer body made of a material with waterproof performance, and the bottom refers to a side away from a human body in use, in a specific embodiment, the waterproof layer 5 can be made of a PVC composite material. By arranging the waterproof layer 5, water and urine can be effectively prevented from leaking.

On the basis of the above embodiment, the liquid leakage detecting device further includes the fabric layer 6, and the fabric layer 6 is disposed on top of the liquid leakage detecting layer 1.

Wherein, the top is the one side that is close to the human body when referring to the use, through setting up precoat 6 at the top of liquid seepage detection layer 1 to precoat 6 can the direct contact human body, because positive pole conducting wire 11 and negative pole conducting wire 12 are the threadiness, and precoat 6 is the face-like, so can be comparatively comfortable when human contact precoat 6, have reduced the foreign matter and have felt, have improved user's use sense.

Illustratively, when the liquid leakage detecting device includes the water-absorbent base layer 10, the fabric layer 6 and the waterproof layer 5 are respectively disposed on the upper and lower sides of the water-absorbent base layer 10, and then the three are fixedly connected. In one embodiment, the absorbent substrate 10, the facestock layer 6, and the waterproof layer 5 are laminated together with the layers aligned and secured around the stitching with non-conductive stitching.

Example two

Fig. 6 is a schematic structural view of a liquid leakage detecting system according to a second embodiment of the present invention, and fig. 6 shows that a system body 200 is taken as an example of a mattress body, and the liquid leakage detecting system includes the system body 200 and the liquid leakage detecting device 100 according to any embodiment of the present invention.

The liquid leakage detecting apparatus 100 is provided on the system body 200.

Wherein the system body 200 refers to a main part of the system.

Above-mentioned scheme utilizes the characteristic that liquid can electrically conduct, switches on when detecting liquid through the positive pole conducting wire 11 and the negative pole conducting wire 12 that liquid seepage detection device 100 adopted, and then makes the alarm module 2 that liquid seepage detection device 100 adopted send alarm information when positive pole conducting wire 11 and negative pole conducting wire 12 switch on to the user can in time learn whether the liquid seepage phenomenon appears in the user. Because the anode conducting wire 11 and the cathode conducting wire 12 are linear, and no excessive parts are arranged inside, the anode conducting wire and the cathode conducting wire can be conveniently laid in a large area to perform linear surface detection, and compared with the method of detecting liquid by adopting a humidity sensor, the liquid detection device has the advantages of large detection range, simple manufacturing circuit, low cost, and realization of the effects of large detection range and simple process.

On the basis of the above embodiment, the system body 200 includes at least one of a mattress body, a diaper body, and a detection pad body.

Wherein, the mattress body indicates the essential part of intelligent mattress. In a specific embodiment, the liquid leakage detecting device 100 is disposed in an area of the intelligent mattress where the user lies, so as to conveniently detect whether the user has a liquid leakage phenomenon such as bed wetting or menstrual blood leakage.

The diaper body refers to the main part of the intelligent diaper. In a specific embodiment, the liquid leakage detecting device 100 is disposed on the crotch region of the user of the diaper body, so that when the user wears the intelligent diaper, whether the user discharges liquid on the intelligent diaper can be conveniently detected.

The main part that the detection pad body is the intellectual detection system pad, and the intellectual detection system pad is the mat that is independent of the bed body, and the user can lay the intellectual detection system pad in multiple positions that have needs such as adult's bed, sofa, crib, as long as guarantee that the liquid leakage detection device 100 that detects on the pad when using is located the regional below in crotch portion of user can to can be convenient detect out whether the user has liquid leakage phenomena such as unexpected urination or menstruation blood leakage to appear.

It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. The liquid leakage detection device is characterized by comprising a liquid leakage detection layer (1) and an alarm module (2);

an anode conducting wire (11) and a cathode conducting wire (12) are arranged on the liquid leakage detection layer (1);

the alarm module (2) is electrically connected with the anode conducting wire (11) and the cathode conducting wire (12);

the anode conducting wire (11) and the cathode conducting wire (12) are used for conducting when liquid is detected;

the alarm module (2) is used for sending alarm information when the anode conducting wire (11) and the cathode conducting wire (12) are conducted.

2. The fluid leak detection device according to claim 1, wherein the anode conductive line (11) comprises a plurality of sets of spaced apart anode branches (111), and the cathode conductive line (12) comprises a plurality of sets of spaced apart cathode branches (121);

the multiple groups of anode branch lines (111) and the multiple groups of cathode branch lines (121) are sequentially staggered;

the multiple groups of anode branch lines (111) are all conducted;

the cathode branch lines (121) are all conducted.

3. The fluid leak detection device according to claim 2, wherein the plurality of sets of anode branches (111) and/or the plurality of sets of cathode branches (121) are formed by bending a single electrically conductive wire.

4. The liquid leak detection device according to any one of claims 1 to 3, wherein the anode conductive wire (11) and/or the cathode conductive wire (12) comprises a conductive metal fiber blended yarn.

5. The liquid leakage detection device according to any one of claims 1 to 3, further comprising a first connector (3) and a second connector (4) which are connectable and separable;

the anode conducting wire (11) and the cathode conducting wire (12) are both electrically connected with the first connecting head (3);

the second connector (4) is electrically connected with the alarm module (2);

the first connector (3) and the second connector (4) are used for enabling the alarm module (2) to be electrically connected with the anode conducting wire (11) and the cathode conducting wire (12) when the first connector and the second connector are connected, and enabling the alarm module (2) to be electrically disconnected with the anode conducting wire (11) and the cathode conducting wire (12) when the first connector and the second connector are separated.

6. The liquid leak detection device according to any one of claims 1 to 3, wherein the alarm module (2) comprises a processing sub-module (21) and an alarm sub-module (22);

the processing submodule (21) comprises a first input (210), a second input (211) and an output (212), the first input (210) is used for being electrically connected with the anode conductive wire (11), and the second input (211) is used for being electrically connected with the cathode conductive wire (12);

the anode conductive line (11) and the cathode conductive line (12) are used for reducing the resistance between the first input end (210) and the second input end (211) when liquid is detected;

the output end (212) of the processing submodule (21) is electrically connected with the alarm submodule (22), and the processing submodule (21) is used for sending an alarm control signal to the alarm submodule (22) when the resistance between the first input end (210) and the second input end (211) is reduced;

the alarm submodule (22) is used for sending alarm information when receiving the alarm control signal.

7. The fluid leak detection device according to claim 6, wherein the processing submodule (21) comprises a first transistor (213), a second transistor (214), a third transistor (215), a first resistor (216), a second resistor (217), a third resistor (218), a fourth resistor (219), and a fifth resistor (2110);

the second input end (211) is electrically connected with one end of the second resistor (217), and the other end of the second resistor (217) is electrically connected with the base electrode of the first triode (213);

the collector electrode of the first triode (213) is electrically connected with the first input end (210);

one end of the fifth resistor (2110) is electrically connected with the base of the first triode (213), and the other end of the fifth resistor (2110) is electrically connected with the ground;

the emitter of the first triode (213) is electrically connected with one end of the fourth resistor (219), and the other end of the fourth resistor (219) is electrically connected with the base of the third triode (215);

the emitter of the third resistor (218) is electrically connected to ground, the collector of the third triode (215) is electrically connected to one end of a first resistor (216), and the other end of the first resistor (216) and the collector of the first triode (213) are both electrically connected to a direct current voltage;

one end of the third resistor (218) is electrically connected with the collector of a third triode (215), the other end of the third triode (215) is electrically connected with the base of the second triode (214), and the emitter of the second triode (214) is electrically connected with direct-current voltage;

the collector electrode of the second triode (214) is electrically connected with the input end of the alarm submodule (22), and the output end (212) of the alarm submodule (22) is electrically connected with the ground;

the first triode (213) and the third triode (215) are NPN type triodes, and the second triode (214) is a PNP type triode.

8. The fluid leak detection device according to claim 6, wherein the alarm submodule (22) includes at least one of a buzzer and an alarm lamp.

9. The liquid leak detection device according to any one of claims 1 to 3, wherein the liquid leak detection layer (1) includes a water-absorbent base layer (10), and the anode conductive wire (11) and the cathode conductive wire (12) are both provided on the water-absorbent base layer (10).

10. The fluid leak detection device according to claim 9, wherein the absorbent substrate (10) comprises needle punched absorbent cotton.

11. The liquid leakage detection device according to any one of claims 1 to 3, further comprising a waterproof layer (5), wherein the waterproof layer (5) is disposed at the bottom of the liquid leakage detection layer (1).

12. The liquid leak detection device according to any one of claims 1 to 3, further comprising a face fabric layer (6), the face fabric layer (6) being arranged on top of the liquid leak detection layer (1).

13. A liquid leak detection system comprising a system body (200) and a liquid leak detection device according to any one of claims 1-12;

the liquid leakage detection device is arranged on the system body (200).

14. The liquid leak detection system of claim 13, wherein the system body (200) comprises at least one of a mattress body, a diaper body, a test pad body.