CN105277320B - A kind of leakage detection sensor and system - Google Patents
A kind of leakage detection sensor and system Download PDFInfo
- Publication number
- CN105277320B CN105277320B CN201410270364.1A CN201410270364A CN105277320B CN 105277320 B CN105277320 B CN 105277320B CN 201410270364 A CN201410270364 A CN 201410270364A CN 105277320 B CN105277320 B CN 105277320B
- Authority
- CN
- China
- Prior art keywords
- voltage
- resistance
- leakage
- voltage comparator
- measured
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The embodiments of the invention provide a kind of leakage detection sensor and system, persistently launch infrared light due to needing to solve existing water sensor, whether the reflex circuit of ability detection light is cut off, and determines whether water leakage situation, this causes the higher problem of its power dissipation ratio.The leakage detection sensor, including detection module and detector；The detection module, when being less than first threshold for the resistance between two detection electrodes of the detector, export the information that environment to be measured is in leakage state；And the resistance between two detection electrodes of the detector exports the information that environment to be measured is in non-leakage state when being more than Second Threshold；The first threshold is less than the Second Threshold；Wherein, the part of the compromised conducting liquid submergence of two detection electrodes of the detector is more, and the resistance between two detection electrodes of the detector is smaller.
Description
Technical field
The present invention relates to electric and electronic technical field, more particularly to a kind of leakage detection sensor and system.
Background technology
Water sensor is wider in industrial circle application, is mainly used to detect whether leakage in telecommunications monitoring field
The situation of water occurs.Most of traditional water sensor is made of infrared electro principle, when photoelectric probe is immersed in the water,
The reflex circuit of light is cut off, and after sensor can't detect reflected light, is meaned that this has leakage, is passed through control relay adhesive
Or other modes supply detection to the outside signal that provides.
Because this kind of sensor needs persistently to launch infrared light, whether the reflex circuit of ability detection light is cut off, so as to
Water leakage situation is determined whether, this make it that this biosensor power consumption is higher, and its power consumption is typically in more than 30mA.
In summary, traditional water sensor persistently launches infrared light due to needing, the reflex circuit of ability detection light
Whether it is cut off, determines whether water leakage situation, this causes its power dissipation ratio higher.
The content of the invention
The embodiments of the invention provide a kind of leakage detection sensor and system, to solve existing water sensor by
In needing persistently to launch infrared light, could the reflex circuit of detection light whether be cut off, determined whether water leakage situation hair
Raw, this causes the higher problem of its power dissipation ratio.
Based on above mentioned problem, a kind of leakage detection sensor provided in an embodiment of the present invention, including detection module and detection
Device；
The detection module, it is less than first threshold for the resistance between two detection electrodes of the detector
When, export the information that environment to be measured is in leakage state；And the resistance between two detection electrodes of the detector is more than
During Second Threshold, the information that environment to be measured is in non-leakage state is exported；The first threshold is less than the Second Threshold；
Wherein, the part of the compromised conducting liquid submergence of two detection electrodes of the detector is more, the detection
Resistance between two detection electrodes of device is smaller.
A kind of leakage detection system provided in an embodiment of the present invention, including leakage provided in an embodiment of the present invention detection sensing
Device.
The beneficial effect of the embodiment of the present invention includes：
Leakage detection sensor and system provided in an embodiment of the present invention, due to two detections of the detector in sensor
Electrode is more in the part that compromised conducting liquid submerges, and the resistance between the two detection electrodes of the detector is got over
It is small, therefore it may only be necessary to just can determine that environment to be measured is according to the value of the resistance between the two detection electrodes of the detector
It is no to be in leakage state, and and transmitting infrared light need not be continued, then whether be cut off, come further according to the reflex circuit of light
Determine whether that leakage situation occurs, it reduce the power consumption of sensor.
Brief description of the drawings
Fig. 1 is one of structural representation of leakage detection sensor provided in an embodiment of the present invention；
Fig. 2 a are the two of the structural representation of leakage detection sensor provided in an embodiment of the present invention；
Fig. 2 b are the three of the structural representation of leakage detection sensor provided in an embodiment of the present invention；
Fig. 3 a are the four of the structural representation of leakage detection sensor provided in an embodiment of the present invention；
Fig. 3 b are the five of the structural representation of leakage detection sensor provided in an embodiment of the present invention；
Fig. 4 is the six of the structural representation of leakage detection sensor provided in an embodiment of the present invention.
Embodiment
The embodiments of the invention provide a kind of leakage detection sensor and system, the sensor is only needed according to detector
The value of resistance between two detection electrodes just can determine whether environment to be measured is in leakage state, and and need not continue to send out
Infrared light is penetrated, then whether is cut off further according to the reflex circuit of light, to determine whether that leakage situation occurs, therefore, drop
Low power consumption.
With reference to Figure of description, to the specific of a kind of leakage detection sensor provided in an embodiment of the present invention and system
Embodiment illustrates.
A kind of leakage detection sensor provided in an embodiment of the present invention, as shown in figure 1, including detection module 11 and detector
12；
Detection module 11, when being less than first threshold for the resistance between two detection electrodes of detector 12, output
Environment to be measured is in the information of leakage state；And the resistance between the two detection electrodes of the detector 12 is more than the second threshold
During value, the information that environment to be measured is in non-leakage state is exported；First threshold is less than Second Threshold；Wherein, the two of the detector
The part of the compromised conducting liquid submergence of individual detection electrode is more, and the resistance between the two detection electrodes of the detector is got over
It is small.
For example, detector is the sensing part of water sensor, and when drying, the electricity between two detection electrodes of detector
Resistance is " infinity ".Detector is kept flat onto ground, if detector is gradually dipped into water, two detection electrodes of detector it
Between resistance variations be a continuous nonlinear reduction process.Such as：Two detection electrodes of detector are just dipped into water
When, resistance is immediately reduced to 500K or so between the two detection electrodes, until the two detection electrodes are all dipped into water, the two
Resistance is reduced within the scope of 30K-80K between detection electrode.
The information that wherein detection module 11 transmits can be transferred to leakage detection system by wired mode, can also use
Leakage detection system is wirelessly transmitted to, to take appropriate measures.
Alternatively, detection module 11 specifically includes first resistor R1, second resistance R2, the 3rd as shown in Fig. 2 a or Fig. 2 b
Resistance R3, the 4th resistance R4 and first voltage comparator VC1.
In fig. 2 a, first resistor R1 one end receives first voltage signal V1, i.e. power supply VCC voltage, first resistor
The R1 other end connects a detection electrode of detector 12 respectively, i.e., positive detection electrode Td+'s and first voltage comparator VC1
Negative input end IN-, another detection electrode of detector 12, i.e., negative detection electrode Td- receive second voltage signal V2, i.e., believed
Number；Second resistance R2 and 3rd resistor R3 are connected between power supply VCC and ground wire, and second resistance R2 is connected with 3rd resistor R3
One end connects first voltage comparator VC1 positive input terminal IN+ and the 4th resistance R4 one end respectively, and the 4th resistance R4's is another
End connection first voltage comparator VC1 output end OUT；
In fig. 2 a, first voltage signal V1 voltage is higher than second voltage signal V2 voltage, first voltage comparator
VC1, the voltage for being received in first voltage comparator VC1 negative input end IN- store less than first voltage comparator VC1
First voltage threshold value when, export the information that environment to be measured is in leakage state；And in first voltage comparator VC1 negative input
When the voltage that end IN- is received is higher than the second voltage threshold value that first voltage comparator VC1 is stored, exports environment to be measured and be in not
The information of leakage state；First voltage threshold value is less than second voltage threshold value.
When first voltage comparator is ADCMP370 chips, in fig. 2 a, if environment to be measured is in non-leakage state,
Resistance between two detection electrodes of detector is " infinity ", then first voltage comparator VC1 negative input end IN- electricity
Pressure is VCC, and higher than second voltage threshold values, its output is low level " 0 " (exporting the information that environment to be measured is in non-leakage state).
When two detection electrodes of detector 12 are gradually soaked, the continuous non-linear reduction of resistance meeting between detection electrode, design
When the resistance value between detection electrode is less than 200K, first voltage comparator VC1 negative input end IN- voltage is less than first
Voltage threshold, its output is high level " 1 " (exporting the information that environment to be measured is in leakage state).When two spies of detector 12
When surveying electrode immersion reduction, the continuous non-linear increase of resistance meeting between two detection electrodes of detector 12, design works as it
When resistance value is higher than 1.5M, the negative input end IN- of first voltage comparator voltage is higher than second voltage threshold values, and its output is low
Level " 0 " (exports the information that environment to be measured is in non-leakage state).
In figure 2b, first resistor R1 one end receives first voltage signal V1, i.e. earth signal, and first resistor R1's is another
End connects a detection electrode of detector 12, i.e., negative detection electrode Td- and first voltage comparator VC1 negative input end respectively
IN-, another detection electrode of detector 12, i.e., positive detection electrode Td+ receive second voltage signal V2, i.e. power supply VCC electricity
Pressure；Second resistance R2 and 3rd resistor R3 are connected between power supply VCC and ground wire, and second resistance R2 is connected with 3rd resistor R3
One end connects first voltage comparator VC1 positive input terminal IN+ and the 4th resistance R4 one end respectively, and the 4th resistance R4's is another
End connection first voltage comparator VC1 output end OUT；
In figure 2b, first voltage signal V1 voltage is less than second voltage signal V2 voltage, first voltage comparator
VC1, the voltage for being received in first voltage comparator VC1 negative input end IN- store higher than first voltage comparator VC1
Tertiary voltage threshold value when, export the information that environment to be measured is in leakage state；And in first voltage comparator VC1 negative input
When the voltage that end IN- is received is less than four voltage threshold that first voltage comparator VC1 is stored, exports environment to be measured and be in not
The information of leakage state；Tertiary voltage threshold value is more than the 4th voltage threshold.
When first voltage comparator is ADCMP370 chips, in figure 2b, if environment to be measured is in non-leakage state,
Resistance between two detection electrodes of detector is " infinity ", then first voltage comparator VC1 negative input end IN- electricity
Pressure is the voltage of earth signal, i.e. GND, and less than the 4th threshold voltage, it is that low level " 0 " (exports environment to be measured to be in not that it, which is exported,
The information of leakage state).When two detection electrodes of detector 12 are gradually soaked, the resistance between detection electrode can be continuous
Non-linear reduction, design when the resistance value between detection electrode is less than 200K, first voltage comparator VC1 negative input end
IN- voltage is higher than tertiary voltage threshold value, and its output is high level " 1 " (exporting the information that environment to be measured is in leakage state).
When two detection electrodes of detector 12, which are soaked, to be reduced, the resistance between two detection electrodes of detector 12 can be continuous non-
It is linearly increasing, design when its resistance value is higher than 1.5M, the negative input end IN- of first voltage comparator voltage is less than the 4th electricity
Pressure valve value, its output is low level " 0 " (exporting the information that environment to be measured is in non-leakage state).
Alternatively, detection module 11 specifically includes the 5th resistance R5, the 6th resistance R6, the 7th as shown in Fig. 3 a or Fig. 3 b
Resistance R7, the 8th resistance R8 and second voltage comparator VC2.
In fig. 3 a, the 5th resistance R5 one end receives tertiary voltage signal V3, i.e. power supply VCC voltage, the 5th resistance
The R5 other end connects a detection electrode in detector 12 respectively, i.e., positive detection electrode Td+ and the 6th resistance R6 one end,
Another detection electrode in detector 12, i.e., negative detection electrode Td- receive the 4th voltage signal V4, i.e. earth signal, the 6th electricity
Hinder R6 other end connection second voltage comparator VC2 positive input terminal IN+；7th resistance R7 and the 8th resistance R8 are connected on electricity
Between source VCC and second voltage comparator VC2 positive input terminal IN+, one end that the 7th resistance R7 is connected with the 8th resistance R8 connects
Meet second voltage comparator VC2 output end OUT；Second voltage comparator VC2 negative input end IN- receives reference voltage Ref；
In fig. 3 a, tertiary voltage signal V3 voltage is higher than the 4th voltage signal V4 voltage, second voltage comparator
VC2, the voltage for being received in second voltage comparator VC2 positive input terminal IN+ store less than second voltage comparator VC2
Five voltage thresholds when, export the information that environment to be measured is in leakage state；And in second voltage comparator VC2 positive input
When the voltage that end IN+ is received is higher than six voltage threshold that second voltage comparator VC2 is stored, exports environment to be measured and be in not
The information of leakage state；5th voltage threshold is less than the 6th voltage threshold.
When first voltage comparator is ADCMP370 chips, in fig. 3 a, if environment to be measured is in non-leakage state,
Resistance between two detection electrodes of detector is " infinity ", then second voltage comparator VC2 positive input terminal IN+ electricity
Pressure is VCC, and higher than the 6th threshold voltage, its output is low level " 0 " (exporting the information that environment to be measured is in non-leakage state).
When two detection electrodes of detector 12 are gradually soaked, the continuous non-linear reduction of resistance meeting between detection electrode, design
When the resistance value between detection electrode is less than 200K, second voltage comparator VC2 positive input terminal IN+ voltage is less than the 5th
Voltage threshold, its output is high level " 1 " (exporting the information that environment to be measured is in leakage state).When two spies of detector 12
When surveying electrode immersion reduction, the continuous non-linear increase of resistance meeting between two detection electrodes of detector 12, design works as it
When resistance value is higher than 1.5M, the positive input terminal IN+ of second voltage comparator voltage is higher than the 6th threshold voltage, and its output is low
Level " 0 " (exports the information that environment to be measured is in non-leakage state).
In fig 3b, the 5th resistance R5 one end receives the 4th voltage signal V4, i.e. earth signal, and the 5th resistance R5's is another
End connects a detection electrode in detector 12, i.e., negative detection electrode Td- and the 6th resistance R6 one end, detector 12 respectively
In another detection electrode, i.e. positive detection electrode Td+ receives tertiary voltage signal V3, i.e. power supply VCC voltage, the 6th resistance
R6 other end connection second voltage comparator VC2 positive input terminal IN+；7th resistance R7 and the 8th resistance R8 are connected on power supply
Between VCC and second voltage comparator VC2 positive input terminal IN+, the 7th resistance R7 is connected with the 8th resistance R8 one end being connected
Second voltage comparator VC2 output end OUT；Second voltage comparator VC2 negative input end IN- receives reference voltage Ref；
In fig 3b, tertiary voltage signal V3 voltage is less than the 4th voltage signal V4 voltage, second voltage comparator
VC2, the voltage for being received in second voltage comparator VC2 positive input terminal IN+ store less than second voltage comparator VC2
Seven voltage thresholds when, export the information that environment to be measured is in leakage state；And in second voltage comparator VC2 positive input
When the voltage that end IN+ is received is higher than eight voltage threshold that second voltage comparator VC2 is stored, exports environment to be measured and be in not
The information of leakage state；7th voltage threshold is more than the 8th voltage threshold.
When first voltage comparator is ADCMP370 chips, in fig 3b, if environment to be measured is in non-leakage state,
Resistance between two detection electrodes of detector is " infinity ", then second voltage comparator VC2 positive input terminal IN+ electricity
Pressure is the voltage of earth signal, i.e. GND, and less than the 8th threshold voltage, it is that low level " 0 " (exports environment to be measured to be in not that it, which is exported,
The information of leakage state).When two detection electrodes of detector 12 are gradually soaked, the resistance between detection electrode can be continuous
Non-linear reduction, design when the resistance value between detection electrode is less than 200K, second voltage comparator VC2 positive input terminal IN
+ voltage be higher than the 7th voltage threshold, its output is high level " 1 " (exporting the information that environment to be measured is in leakage state).When
When two detection electrodes immersion of detector 12 is reduced, the resistance between two detection electrodes of detector 12 can be continuous non-thread
Property increase, design when its resistance value be higher than 1.5M, second voltage comparator VC2 positive input terminal IN+ voltage is less than the 8th
Threshold voltage, its output is low level " 0 " (exporting the information that environment to be measured is in non-leakage state).
In the detection module shown in Fig. 2 a, Fig. 2 b, Fig. 3 a and Fig. 3 b, the letter that environment to be measured is in non-leakage state is exported
Resistance during breath between the detection electrode of detector, and export the detection of detector when environment to be measured is in the information of leakage state
The selection of resistance between electrode is crucial, and this is related to the setting of voltage threshold.Change output environment to be measured and be in non-leakage
The resistance during information of state between the detection electrode of detector can adjust the sensitivity of immersion alarm, change and export ring to be measured
Resistance when border is in the information of leakage state between the detection electrode of detector can adjust when immersion is reduced and exit alarm
Sensitivity.
Wherein, first voltage comparator and second voltage comparator can select the voltage comparator of super low-power consumption, to enter
One step reduces the power consumption of leakage detection sensor.
Further, a kind of leakage detection sensor provided in an embodiment of the present invention, as shown in figure 4, also including radio frequency mould
Block 41；Radio-frequency module 41, for when the status information of the environment to be measured received from detection module 11 changes, termination to be stopped
The state slept and send the environment to be measured after changing to the control system of leakage detection sensor according to default time interval is believed
Breath；And after the confirmation of the control system is received, stop sending the environment to be measured after changing to the control system
Status information, and enter dormancy.
That is, when if the status information of environment to be measured is changed into leakage from non-leakage, radio-frequency module 41 can terminate not
Sleep, and the information that environment to be measured is in into leakage state is at set time intervals, such as 10s, is sent to leakage detection sensing
The control system of device, and after the confirmation of the control system is received, no longer sent to the control system at environment to be measured
In the information of leakage state, and reenter dormancy；If the status information of environment to be measured is changed into non-leakage from leakage, radio frequency
Module 41 can also terminate dormancy, and environment to be measured is in into the information of non-leakage state at set time intervals, such as 10s,
The control system of leakage detection sensor is sent to, and after the confirmation of the control system is received, no longer to the control
System sends environment to be measured and is in the information of non-leakage state, and reenters dormancy.
Therefore, when the status information of environment to be measured does not change, radio-frequency module in a dormant state, so as to reduce Lou
The power consumption of liquid detection sensor.In addition when being communicated using radio-frequency module with the control information of leakage detection sensor,
Line more inconvenience when can avoid using wired connection, and avoid the kwh loss of wired connection.
Radio-frequency module in leakage detection sensor provided in an embodiment of the present invention can be CC2530, and detection module exports
Come signal be linked into CC2530 two I/O pins, be because CC2530 I/O pin be only able to detect rising edge or under
Edge is dropped, and rising edge and trailing edge can not be detected simultaneously.The status information for needing to detect environment to be measured in practical application is not by
Leakage (" 0 ") is changed into leakage (" 1 "), it is also desirable to detects that the status information of environment to be measured is changed into non-leakage from leakage (" 1 ")
(" 0 "), so same signal must be incorporated into two pins.First I/O pin is arranged in rising edge in software
Disconnected, second I/O pin is arranged to trailing edge interruption.When the status information of environment to be measured has any change, can detect.
When the status information of environment to be measured changes to " 1 " from " 0 ", CC2530 first I/O pin detects that rising edge changes,
CC2530 terminates dormancy, produces rising edge and interrupts, state " 1 " is sent into control system.When environment to be measured status information from
When " 1 " changes to " 0 ", CC2530 second I/O pin detects that trailing edge changes, and CC2530 terminates dormancy, produces trailing edge
Interrupt, state " 0 " is sent to control system.
Alternatively, radio-frequency module 41 is additionally operable to that after control system networking success, will be leaked comprising the radio-frequency module 41
The address information of liquid detection sensor, such as MAC Address, short address etc., and the type information of the leakage detection sensor, that is, set
Standby type, is sent to the control system, to notify the presence of the control system leakage detection sensor.
Alternatively, radio-frequency module 41 is believed by a network in multiple different network channels in consolidated network type
Road communicates with the control system, so that when installing at the scene, if detecting has same type network on current network channel
Presence, can by order be changed to others and on network channel.Specifically changing mode can be：Detect and sense in leakage
When radio-frequency module in device is introduced into dormancy, in the radio-frequency module of control system transmitting order to lower levels to leakage detection sensor, radio frequency
Module updates the network channel of itself, then restarts, and is added to again in set network.
Alternatively, radio-frequency module 41 is additionally operable in the signal intensity for being introduced into dormancy, receiving the control system transmission
During test command, test signal is sent to the control system, so that control system is according to the test signal received
Intensity judges the whether suitable of the position installation of leakage detection sensor.
Leakage detection sensor provided in an embodiment of the present invention can be powered by lithium manganese dioxide cell, i.e. button cell.
Leakage detection system provided in an embodiment of the present invention, including leakage detection sensor provided in an embodiment of the present invention.
Through the above description of the embodiments, those skilled in the art can be understood that the embodiment of the present invention
It can be realized by hardware, the mode of necessary general hardware platform can also be added by software to realize.Based on such reason
Solution, the technical scheme of the embodiment of the present invention can be embodied in the form of software product, and the software product can be stored in one
In individual non-volatile memory medium (can be CD-ROM, USB flash disk, mobile hard disk etc.), including some instructions are causing a meter
Calculate the side described in each embodiment of machine equipment (can be personal computer, server, or network equipment etc.) the execution present invention
Method.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module or stream in accompanying drawing
Journey is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in device in embodiment can describe be divided according to embodiment
It is distributed in the device of embodiment, respective change can also be carried out and be disposed other than in one or more devices of the present embodiment.On
The module for stating embodiment can be merged into a module, can also be further split into multiple submodule.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (6)
1. a kind of leakage detection sensor, it is characterised in that including detection module and detector；
The detection module, it is defeated when being less than first threshold for the resistance between two detection electrodes of the detector
Go out the information that environment to be measured is in leakage state；And the resistance between two detection electrodes of the detector is more than the second threshold
During value, the information that environment to be measured is in non-leakage state is exported；The first threshold is less than the Second Threshold；
Wherein, the part of the compromised conducting liquid submergence of two detection electrodes of the detector is more, the detector
Resistance between two detection electrodes is smaller；
Wherein, the detection module specifically includes first resistor, second resistance, 3rd resistor, the 4th resistance and first voltage ratio
Compared with device；
One end of the first resistor receives first voltage signal, and the other end of the first resistor connects the detector respectively
A detection electrode and the first voltage comparator negative input end, another detection electrode of the detector receives the
Two voltage signals；
The second resistance and the 3rd resistor are connected between power supply and ground wire, the second resistance and the 3rd resistor
Connected one end connects the positive input terminal of the first voltage comparator and one end of the 4th resistance respectively, the 4th resistance
The other end connects the output end of the first voltage comparator；
If the voltage of the first voltage signal is higher than the voltage of the second voltage signal, the first voltage comparator, use
It is less than the first of first voltage comparator storage in the voltage that receives of negative input end in the first voltage comparator
During voltage threshold, the information that environment to be measured is in leakage state is exported；And terminated in the negative input of the first voltage comparator
When the voltage received is higher than the second voltage threshold value that the first voltage comparator stores, exports environment to be measured and be in non-leakage shape
The information of state；The first voltage threshold value is less than the second voltage threshold value；
If the voltage of the first voltage signal is less than the voltage of the second voltage signal, the first voltage comparator, use
It is higher than the 3rd of first voltage comparator storage in the voltage that receives of negative input end in the first voltage comparator
During voltage threshold, the information that environment to be measured is in leakage state is exported；And terminated in the negative input of the first voltage comparator
When the voltage received is less than four voltage threshold that the first voltage comparator stores, exports environment to be measured and be in non-leakage shape
The information of state；The tertiary voltage threshold value is more than the 4th voltage threshold；Or
The detection module specifically includes the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance and second voltage comparator；
One end of 5th resistance receives tertiary voltage signal, and the other end of the 5th resistance connects the detector respectively
In a detection electrode and one end with the 6th resistance, another detection electrode in the detector receive the 4th electricity
Signal is pressed, the other end of the 6th resistance connects the positive input terminal of the second voltage comparator；
7th resistance and the 8th resistant series are between the positive input terminal of power supply and the second voltage comparator, institute
State the output end that the 7th resistance one end connected with the 8th resistance is connected the second voltage comparator；The second voltage
The negative input end of comparator receives reference voltage；
If the voltage of the tertiary voltage signal is higher than the voltage of the 4th voltage signal, the second voltage comparator, use
It is less than the 5th of second voltage comparator storage in the voltage that receives of positive input terminal in the second voltage comparator
During voltage threshold, the information that environment to be measured is in leakage state is exported；And terminated in the positive input of the second voltage comparator
When the voltage received is higher than six voltage threshold that the second voltage comparator stores, exports environment to be measured and be in non-leakage shape
The information of state；5th voltage threshold is less than the 6th voltage threshold；
If the voltage of the tertiary voltage signal is less than the voltage of the 4th voltage signal, the second voltage comparator, use
It is higher than the 7th of second voltage comparator storage in the voltage that receives of positive input terminal in the second voltage comparator
During voltage threshold, the information that environment to be measured is in leakage state is exported；And terminated in the positive input of the second voltage comparator
When the voltage received is less than eight voltage threshold that the second voltage comparator stores, exports environment to be measured and be in non-leakage shape
The information of state；7th voltage threshold is more than the 8th voltage threshold.
2. the leakage detection sensor as described in claim 1 is any, it is characterised in that the leakage detection sensor also includes
Radio-frequency module；
The radio-frequency module, for when the status information of the environment to be measured received from the detection module changes, eventually
Only dormancy and according to control system from default time interval to the leakage detection sensor send change after environment to be measured
Status information；And after the confirmation of the control system is received, stop after sending change to the control system
Environment to be measured status information, and enter dormancy.
3. leakage detection sensor as claimed in claim 2, it is characterised in that the radio-frequency module is additionally operable to：
With after control system networking success, the address information of the leakage detection sensor and leakage detection are passed
The type information of sensor is sent to the control system.
4. leakage detection sensor as claimed in claim 2, it is characterised in that the radio-frequency module passes through consolidated network type
In multiple different network channels in a network channel communicated with the control system.
5. leakage detection sensor as claimed in claim 2, it is characterised in that the radio-frequency module is additionally operable to：
When being introduced into dormancy, receiving the signal strength test order of the control system transmission, sent out to the control system
Send test signal.
6. a kind of leakage detection system, it is characterised in that including the leakage detection sensor as described in Claims 1 to 5 is any.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270364.1A CN105277320B (en) | 2014-06-17 | 2014-06-17 | A kind of leakage detection sensor and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410270364.1A CN105277320B (en) | 2014-06-17 | 2014-06-17 | A kind of leakage detection sensor and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105277320A CN105277320A (en) | 2016-01-27 |
| CN105277320B true CN105277320B (en) | 2017-11-21 |
Family
ID=55146720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410270364.1A Active CN105277320B (en) | 2014-06-17 | 2014-06-17 | A kind of leakage detection sensor and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105277320B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106876811B (en) * | 2017-04-12 | 2024-02-09 | 华霆（合肥）动力技术有限公司 | Leakage detecting device and battery module leakage detecting system |
| CN107039693A (en) * | 2017-06-08 | 2017-08-11 | 合肥联信电源有限公司 | A kind of battery leakage detection system and method |
| CN107314867A (en) * | 2017-06-30 | 2017-11-03 | 徐校竹 | A kind of leakage inspector |
| CN110389155A (en) * | 2019-08-23 | 2019-10-29 | 田丽莉 | A kind of mounting structure and water gauge of detection electrode |
| CN112697304A (en) * | 2019-10-23 | 2021-04-23 | 宁波方太厨具有限公司 | Food temperature probe |
| CN112284632B (en) * | 2020-10-15 | 2023-10-20 | 曙光信息产业(北京)有限公司 | Leak detection film and system |
| CN116593759B (en) * | 2023-07-05 | 2023-09-22 | 南开大学 | On-line monitoring device for power-on and water-immersed state of electric equipment |
| CN116913058A (en) * | 2023-09-14 | 2023-10-20 | 济南泰格电子技术有限公司 | File protection calling equipment for water leakage detection and rat repelling |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963427A (en) * | 2006-12-06 | 2007-05-16 | 中国科学院电工研究所 | Apparatus for testing weeping of plastic fluid container |
| CN202119605U (en) * | 2011-05-25 | 2012-01-18 | 上海嘉微工程技术有限公司 | Leakage liquid sensor |
| CN202648900U (en) * | 2012-05-16 | 2013-01-02 | 硅密（常州）电子设备有限公司 | Leakage detection circuit of heating groove |
| CN103295938A (en) * | 2013-05-29 | 2013-09-11 | 上海宏力半导体制造有限公司 | Semiconductor processing equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03125939A (en) * | 1989-10-11 | 1991-05-29 | Showa Electric Wire & Cable Co Ltd | Method for detecting leak position of conductive liquid substance |
| JP2012011320A (en) * | 2010-06-30 | 2012-01-19 | Murata Mfg Co Ltd | Atomizer |
-
2014
- 2014-06-17 CN CN201410270364.1A patent/CN105277320B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1963427A (en) * | 2006-12-06 | 2007-05-16 | 中国科学院电工研究所 | Apparatus for testing weeping of plastic fluid container |
| CN202119605U (en) * | 2011-05-25 | 2012-01-18 | 上海嘉微工程技术有限公司 | Leakage liquid sensor |
| CN202648900U (en) * | 2012-05-16 | 2013-01-02 | 硅密（常州）电子设备有限公司 | Leakage detection circuit of heating groove |
| CN103295938A (en) * | 2013-05-29 | 2013-09-11 | 上海宏力半导体制造有限公司 | Semiconductor processing equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105277320A (en) | 2016-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105277320B (en) | A kind of leakage detection sensor and system | |
| US9823286B2 (en) | Moisture detection system for external electrical connector and methods therefor | |
| JP5431405B2 (en) | Charging system with direct charging port support and expansion capability | |
| CN102387022B (en) | A kind of POE method and apparatus | |
| CN105471008A (en) | Information processing method, first electronic equipment and second electronic equipment | |
| CN204287446U (en) | A kind of power-fail detection circuit | |
| CN103472377A (en) | Partial discharging point locating device for GIS type test based on vibration detection | |
| CN102721928A (en) | Storage battery parameter monitor and parameter monitoring method | |
| CN105607739A (en) | Intelligent starting-up system for mobile terminal and method thereof | |
| CN108195465A (en) | A kind of detection device and method | |
| CN107516933A (en) | A kind of electronic monitoring equipment battery intelligent switching system | |
| CN105403421A (en) | Structure health monitoring system based on radio frequency energy collection | |
| CN202614914U (en) | Storage battery parameter monitor | |
| CN106556800B (en) | A kind of method and device of battery detecting | |
| CN202794348U (en) | Radiation detection apparatus for mobile communication terminal | |
| CN204988257U (en) | Transmission line waves orbit multidimension degree monitoring system | |
| CN103109386A (en) | An apparatus and method for reducing energy consumption in monitoring means of a plurality of piezoelectric components | |
| CN205909955U (en) | Miniature high accuracy force cell sensor | |
| CN207319387U (en) | A kind of wireless door magnetic sensing device | |
| CN116203307B (en) | Terminal Type-C interface foreign matter detection method, device and storage medium | |
| CN206270460U (en) | To the test circuit of the power management chip of quick charge portable power source | |
| CN106604351B (en) | Wireless network configuration method and device based on multiple transceivers | |
| CN110823284A (en) | Intelligent environment monitoring equipment and monitoring method | |
| CN105872870B (en) | The system and method that charge flag position is written | |
| CN204667091U (en) | A kind of intelligent power based on USB power supply interface |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park building B2 Patentee after: Vitamin Technology Co., Ltd. Address before: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518055 No. 1001 Nanshan Chi Park building B2 Patentee before: Aimosheng Network Energy Source Co., Ltd. |