CN206440654U - A kind of inspection well cover damage detection device - Google Patents
A kind of inspection well cover damage detection device Download PDFInfo
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- CN206440654U CN206440654U CN201621478194.7U CN201621478194U CN206440654U CN 206440654 U CN206440654 U CN 206440654U CN 201621478194 U CN201621478194 U CN 201621478194U CN 206440654 U CN206440654 U CN 206440654U
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Abstract
The utility model discloses a kind of inspection well cover damage detection device, including n bar films, n detection circuit, n inputs OR gate and warning circuit, the material of film is conductive material, n bar films interval is attached on inspection shaft interior surface, detect that circuit includes first resistor, second resistance, 3rd resistor and operational amplifier, 5V voltages are accessed in one end of first resistor and one end of second resistance, the in-phase input end connection of the other end and operational amplifier of first resistor, the other end of second resistance, one end of 3rd resistor and the inverting input connection of operational amplifier, one end of n detection circuit and n bar films connects one to one, the other end of n bar films is grounded respectively;N detection circuit connects one to one with n n input for inputting OR gate, n input OR gates and warning circuit connection;Advantage is can to detect inspection well cover breakage in real time, once it is damaged, then send alarm.
Description
Technical field
The utility model is related to a kind of detection means, more particularly, to a kind of inspection well cover damage detection device.
Background technology
In recent years, the situation in all parts of the country caused the accident because of inspection well cover breakage and missing can be heard without end, and inspection shaft gulps down people
Event is even more the frequent inspection well cover for occurring huge number in cities, has become the huge hidden danger of public safety, threatens people
The security of the lives and property.Cause the generation of security incident, it is necessary to damaged in inspection well cover to avoid inspection well cover damaged and lacking
And after missing, notify related municipal administration portion to place under repair in time, this has been related to the real-time monitoring of inspection well cover.
At present, it is domestic all to there is certain defect, such as publication number to the series of products that municipal inspection shaft cover remote comprehensive is monitored
A kind of inspection well cover wireless monitor system is disclosed for CN103700198A Chinese invention patent application, the system is filled including underground
Put includes power on switch, wireless transmitter module, underground MCU and accumulation power supply, power on device on well, downhole hardware
Switch connection accumulation power supply, underground MCU serial ports controls the wireless transmitter module to send inspection well cover loss alarm signal;Filled on well
Put including MCU, wireless receiving module, power supply and GPRS remote-transmission modules on well, wireless receiving module receives downhole hardware hair
The signal that MCU receives wireless receiving module on the wireless signal sent, well is transferred to terminal service by GPRS remote-transmission modules
Device.But inspection well cover wireless monitor system can only monitor inspection well cover and be moved, and it can not monitor whether inspection well cover occurs damaged feelings
Condition.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of inspection well cover damage detection device, and the device can be real
When detect inspection well cover breakage, once it is damaged, then send alarm.
The utility model solve the technical scheme that is used of above-mentioned technical problem for:A kind of inspection well cover damage detection device,
OR gate and warning circuit are inputted including n bars film, n detection circuit, n, n is the integer more than or equal to 4;The material of described film
Expect that, for conductive material, the film interval described in n bars is attached on inspection shaft interior surface, described detection circuit includes the first electricity
One end of resistance, second resistance, 3rd resistor and operational amplifier, one end of described first resistor and described second resistance is equal
Access 5V voltages, the other end of described first resistor and the in-phase input end connection of described operational amplifier and its connection end
For the input of described detection circuit, the other end of described second resistance, one end of described 3rd resistor and described
The inverting input connection of operational amplifier, the other end ground connection of described 3rd resistor, the output of described operational amplifier
Hold as the output end of described detection circuit;One end of film described in the input and n bars of n described detection circuits is one by one
Correspondence connection, the other end of the film described in n bars is grounded respectively;The output end of n described detection circuits is inputted with described n
N input of OR gate connects one to one, and the input of the output end of described n inputs OR gate and described warning circuit connects
Connect.
Described warning circuit includes the 4th resistance, triode and buzzer, and one end of the 4th described resistance is described
Warning circuit input, the base stage connection of the other end of described the 4th resistance and described triode, three described poles
One end connection of the colelctor electrode of pipe and described buzzer, the other end of described buzzer accesses 5V voltages, three described poles
The grounded emitter of pipe.
The material of described film is metallic aluminium.The structure can reduce cost.
Compared with prior art, the utility model has the advantage of input OR gate by n bars film, n detection circuit, n
Inspection well cover damage detection device is built with warning circuit, the material of film is conductive material, and n bar films interval is attached to inspection well cover
On inner surface, detection circuit include first resistor, second resistance, 3rd resistor and operational amplifier, one end of first resistor and
5V voltages, the other end of first resistor and the in-phase input end connection of operational amplifier are accessed in one end of second resistance and it connects
Connect input of the end for detection circuit, the anti-phase input of the other end of second resistance, one end of 3rd resistor and operational amplifier
End connection, the other end ground connection of 3rd resistor, the output end of operational amplifier is the output end of detection circuit;N detection circuit
Input and one end of n bar films connect one to one, the other end of n bar films is grounded respectively;The output of n detection circuit
Hold and connected one to one with n n input for inputting OR gate, the output end of n input OR gates and the input connection of warning circuit,
If disrepair phenomenon does not occur in inspection well cover, the output end of n detection circuit exports low level, and warning circuit does not work, such as
There is disrepair phenomenon in fruit inspection well cover, then the output end output high level for the detection circuit being connected with breakage film, n input OR gates
Driving warning circuit starts alarm, and the utility model can detect inspection well cover breakage in real time, once it is damaged, then send police
Report.
Brief description of the drawings
Fig. 1 is structure chart of the present utility model;
Fig. 2 is the circuit diagram of the present utility model for detecting circuit;
Fig. 3 is the circuit diagram of warning circuit of the present utility model.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one:As illustrated, a kind of inspection well cover damage detection device, including n bars film 1, n detection circuit, n defeated
Enter OR gate D1 and warning circuit, n is the integer more than or equal to 4;The material of film 1 is conductive material, the attachment of the interval of n bars film 1
On the inner surface of inspection well cover 2, detection circuit includes first resistor R1, second resistance R2,3rd resistor R3 and operational amplifier U1,
5V voltages, first resistor the R1 other end and operational amplifier are accessed in first resistor R1 one end and second resistance R2 one end
U1 in-phase input end is connected and its connection end is the input of detection circuit, second resistance the R2 other end, 3rd resistor R3
One end and operational amplifier U1 inverting input connection, 3rd resistor R3 the other end ground connection, operational amplifier U1's is defeated
Go out output end of the end for detection circuit;The input and one end of n bars film 1 that n is detected circuit connect one to one, and n bars are thin
The other end of film 1 is grounded respectively;The output end of n detection circuit connects one to one with n n input for inputting OR gate D1, n
Input OR gate D1 output end and the input connection of warning circuit.
Embodiment two:As illustrated, a kind of inspection well cover damage detection device, including n bars film 1, n detection circuit, n defeated
Enter OR gate D1 and warning circuit, n is the integer more than or equal to 4;The material of film 1 is conductive material, the attachment of the interval of n bars film 1
On the inner surface of inspection well cover 2, detection circuit includes first resistor R1, second resistance R2,3rd resistor R3 and operational amplifier U1,
5V voltages, first resistor the R1 other end and operational amplifier are accessed in first resistor R1 one end and second resistance R2 one end
U1 in-phase input end is connected and its connection end is the input of detection circuit, second resistance the R2 other end, 3rd resistor R3
One end and operational amplifier U1 inverting input connection, 3rd resistor R3 the other end ground connection, operational amplifier U1's is defeated
Go out output end of the end for detection circuit;The input and one end of n bars film 1 that n is detected circuit connect one to one, and n bars are thin
The other end of film 1 is grounded respectively;The output end of n detection circuit connects one to one with n n input for inputting OR gate D1, n
Input OR gate D1 output end and the input connection of warning circuit.
In the present embodiment, warning circuit includes the 4th resistance R4, triode Q1 and buzzer B1, the 4th resistance R4 one end
For the input of warning circuit, the base stage connection of the 4th resistance the R4 other end and triode Q1, triode Q1 colelctor electrode and
Buzzer B1 one end connection, buzzer B1 other end access 5V voltages, triode Q1 grounded emitter.
In the present embodiment, the material of film 1 is metallic aluminium.
Claims (3)
1. a kind of inspection well cover damage detection device, it is characterised in that input OR gate and report including n bars film, n detection circuit, n
Alert circuit, n is the integer more than or equal to 4;The material of described film is conductive material, and the film interval described in n bars is attached to
On inspection shaft interior surface, described detection circuit includes first resistor, second resistance, 3rd resistor and operational amplifier, described
One end of first resistor and one end of described second resistance access 5V voltages, the other end of described first resistor and institute
The in-phase input end for the operational amplifier stated is connected and its connection end is the input of described detection circuit, the second described electricity
The inverting input connection of the other end of resistance, one end of described 3rd resistor and described operational amplifier, the described the 3rd
The other end ground connection of resistance, the output end of described operational amplifier is the described output end for detecting circuit;N described inspections
One end of film described in the input and n bars of slowdown monitoring circuit connects one to one, and the other end of the film described in n bars connects respectively
Ground;The output end of n described detection circuits and n input of described n input OR gates connect one to one, described n
The input connection of the output end of input OR gate and described warning circuit.
2. a kind of inspection well cover damage detection device according to claim 1, it is characterised in that described warning circuit includes
4th resistance, triode and buzzer, one end of described the 4th resistance are the input of described warning circuit, described the
The one of the base stage connection of the other end of four resistance and described triode, the colelctor electrode of described triode and described buzzer
End connection, the other end access 5V voltages of described buzzer, the grounded emitter of described triode.
3. a kind of inspection well cover damage detection device according to claim 1, it is characterised in that the material of described film is
Metallic aluminium.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621478194.7U CN206440654U (en) | 2016-12-30 | 2016-12-30 | A kind of inspection well cover damage detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621478194.7U CN206440654U (en) | 2016-12-30 | 2016-12-30 | A kind of inspection well cover damage detection device |
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Publication Number | Publication Date |
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CN206440654U true CN206440654U (en) | 2017-08-25 |
Family
ID=59642165
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CN201621478194.7U Expired - Fee Related CN206440654U (en) | 2016-12-30 | 2016-12-30 | A kind of inspection well cover damage detection device |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108414054A (en) * | 2018-05-11 | 2018-08-17 | 湖北民族学院 | Inspection well cover real-time monitoring device and system |
CN109030569A (en) * | 2018-09-17 | 2018-12-18 | 中信重工机械股份有限公司 | A kind of wear sensor, wear detecting system and gyratory crusher |
CN109030565A (en) * | 2018-06-28 | 2018-12-18 | 盐城工学院 | A kind of inspection well cover damage detection device and method |
CN110018200A (en) * | 2019-04-01 | 2019-07-16 | 黑凤梨供应链管理(上海)有限公司 | A kind of surface fracture detection structure |
CN112595361A (en) * | 2020-12-09 | 2021-04-02 | 郑州铁路职业技术学院 | Tunnel construction environment detecting system |
-
2016
- 2016-12-30 CN CN201621478194.7U patent/CN206440654U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108414054A (en) * | 2018-05-11 | 2018-08-17 | 湖北民族学院 | Inspection well cover real-time monitoring device and system |
CN109030565A (en) * | 2018-06-28 | 2018-12-18 | 盐城工学院 | A kind of inspection well cover damage detection device and method |
CN109030569A (en) * | 2018-09-17 | 2018-12-18 | 中信重工机械股份有限公司 | A kind of wear sensor, wear detecting system and gyratory crusher |
CN110018200A (en) * | 2019-04-01 | 2019-07-16 | 黑凤梨供应链管理(上海)有限公司 | A kind of surface fracture detection structure |
CN112595361A (en) * | 2020-12-09 | 2021-04-02 | 郑州铁路职业技术学院 | Tunnel construction environment detecting system |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 Termination date: 20191230 |