CN206143814U - From explosion -proof sewer well lid of battery powered - Google Patents
From explosion -proof sewer well lid of battery powered Download PDFInfo
- Publication number
- CN206143814U CN206143814U CN201621132275.1U CN201621132275U CN206143814U CN 206143814 U CN206143814 U CN 206143814U CN 201621132275 U CN201621132275 U CN 201621132275U CN 206143814 U CN206143814 U CN 206143814U
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- operational amplifier
- jing
- sewer
- self
- explosion
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Abstract
The utility model discloses a from explosion -proof sewer well lid of battery powered, including well lid body (1) be provided with air pressure detection device (2) on the lower terminal surface of well lid body (1), air pressure detection device (2) are handled control module (3) with pressure signal and are connected, be provided with from power module (4) on the exposed face of well lid body (1), from power module (4) with air pressure detection device (2), pressure signal handle control module (3) and connect. Beneficial effect: economy is energy -conserving, and the power supply is convenient, air pressure detection device long service life changes and maintains the convenience, and the signal that pressure signal processing control module signal processing obtained is stable accurate, and the security performance is high.
Description
Technical field
This utility model is related to urban duct security technology area, is a kind of explosion-proof sewer of self-powered specifically
Well lid.
Background technology
In modern city, for draining-off sewage and rainwater, and sewer is set in city, carries out urban planning.
But due to sewer opposing seal, substantial amounts of municipal refuse is flowed into sewer and can produce biogas, and due under
The special sealing structure of water channel, causes biogas to increase, and biogas concentration constantly increases, and air pressure is strengthened therewith, when sewer biogas reaches
During to finite concentration, when running into naked light or spark, it will explode, due to the whole city of sewer insertion, once somewhere
Explode, then also can be involved with the sewer of the water passage, be likely to occur blast, coverage is wide, danger
Evil is big, and security performance is low, there is greatly threat to the security of the lives and property of people.
For the problems referred to above, people realize detection frequently with biogas detection means is arranged in sewer, for example, arrange
Methane transducer, but yet suffer from many problems：First, because sewer environment is severe, biogas detection means is susceptible to
Damage, cause testing result error big, poor reliability；Second, biogas detection means needs power supply in real time, and sewer is related to model
Enclose wide, the supply line of biogas detection means is complicated, and power supply is difficult；3rd, when biogas detection means is damaged, Ren Menwu
Method is detected, and because biogas detection means set location is indefinite, is caused biogas detection means to be safeguarded and changed difficult.
In sum, existing sewer safety management still has several drawbacks part, it is impossible to meet people and city is pacified
Full requirement.
Utility model content
In order to solve the above problems, the utility model proposes a kind of explosion-proof well cover for sewer of self-powered, realizes self-powered
Mode, is detected and is gathered to sewer barometric information, reliable, easy to use, and security performance is high, safeguards replacing side
Just.
To reach above-mentioned purpose, the concrete technical scheme that this utility model is adopted is as follows：
A kind of explosion-proof well cover for sewer of self-powered, including manhole cover body, it is critical only that：Under the manhole cover body
Pressure test device is provided with end face, the pressure test device is connected with air pressure signal processing and control module, the well lid
Self-powered module, the self-powered module and the pressure test device, air pressure signal process are provided with the exposed face of body
Control module connects.
By above-mentioned design, pressure of the self-powered module by collection people to well lid, Jing pressure conversions into electric energy, to gas
Pressure detection means and air pressure signal processing control module are powered, energy saving；Pressure test device is arranged under manhole cover body
On end face, it is difficult to be collided with other mechanisms, is not easy to be affected by environment, it is safe and reliable, it is hardly damaged；Air pressure signal
Reliable and stable, detection data is accurate.
Further describe, the pressure test device includes tubular testing agency, the tubular testing agency is vertically arranged
In sewer well, and one end of the tubular testing agency is connected with the lower surface of the manhole cover body, in tubular inspection
Pressure transducer, spring and pushing block are disposed with from top to bottom in the barrel chamber for surveying mechanism, described in the pressure transducer Jing
Spring is connected with the pushing block, and the pushing block is close to tubular testing agency inwall.
Using such scheme, pushing block is arranged in tubular testing agency, and pushing block is subject to other environmental effects little, works as gas
During pressure increase, under atmospheric pressure, pushing block is moved upwards, while spring-compressed, causes pressure transducer to detect pressure
Power.Total is easily understood, and testing cost is low.
Further describe, relief hole is provided with tubular testing agency barrel, described relief hole one end passes through
The manhole cover body is communicated with the external world, and the other end of the relief hole passes the inwall formation pressure release of the tubular testing agency
Mouthful, the pressure relief opening is opened in the pushing block and hangs down naturally the top of position.
Using such scheme, when sewer air pressure it is excessive, when promoting fast motion certain distance upwards, then the gas in sewer
Body can be discharged by relief hole, to reduce sewer in air pressure, reduce sewer unsafe factor.
Further describe, the air pressure signal processing and control module includes pressure signal processing circuit and controller, institute
State pressure signal processing circuit described in pressure transducer Jing to be connected with the controller.
The air pressure that pressure transducer is detected after pressure signal processing circuit process, when signal it is more accurately and steady
It is fixed, and controller can gather air pressure signal, be further processed, and point out whether people's sewer air pressure is in safety range
It is interior, improve the reliability of sewer air pressure detection.
Further describe, the pressure signal processing circuit includes the first operational amplifier U1, first computing is put
In-phase input end Jing first resistors R1 of big device U1 are connected with the pressure transducer, and the pressure transducer is electric with described first
Common port difference Jing second resistances R2 of resistance R1 and the first electric capacity C1 ground connection, the inverting input of the first operational amplifier U1
Successively Jing 3rd resistors R3, the second electric capacity C2 are grounded；The first operational amplifier U1 outfans difference resistance R4 of Jing the 4th, the
Three electric capacity C3 are connected with the inverting input of the first operational amplifier U1；
The outfan of the first operational amplifier U1 the electric capacity C4 of Jing the 4th, the 5th resistance R5 and the second operation amplifier successively
The inverting input connection of device U2, in-phase input end difference electric capacity C5 of Jing the 5th of the second operational amplifier U2 and the 6th electric
Resistance R6 ground connection, the outfan difference resistance R7 of Jing the 7th, the 6th electric capacity C6 and described second fortune of the second operational amplifier U2
Calculate the connection of amplifier U2 inverting inputs；
The outfan of the second operational amplifier U2 the resistance R8 of Jing the 8th, the 9th resistance R9 and the 3rd operation amplifier successively
The inverting input connection of device U3, the inverting input also electric capacity C7 of Jing the 7th ground connection of the 3rd operational amplifier U3 is described
The electric capacity C8 of outfan Jing the 8th of the 3rd operational amplifier U3 are connected with the common port of the 8th resistance R8, the 9th resistance R9,
The outfan of the 3rd operational amplifier U3 is also connected with the in-phase input end of the 3rd operational amplifier U3, and the described 3rd
The outfan of the operational amplifier U3 also resistance R10 of Jing the tenth are connected with the input end of analog signal of analog-to-digital conversion module, the mould
The digital signal output end of number modular converter is connected with the controller.
Using such scheme, the pressure signal for detecting is entered by the first operational amplifier U1, the second operational amplifier U2
Row amplifies, and realizes that pressure signal is filtered by the 3rd operational amplifier U3, obtains more reliable and more stable signal, makes detection more
It is reliable and accurate.
Further describe, alarm device, display device, teletransmission device are connected with the controller.
When air pressure is detected, display device can show in real time, be easy to staff to observe, when air pressure is too high, work
Personnel should not under under sewer, to avoid security incident, when air pressure is too high, alarm device is capable of achieving Realtime Alerts, carries
Let others have a look at take care, and avoid naked light close, signal teletransmission can be realized long-range monitoring by teletransmission device.
Further describe, the self-powered module includes electricity generation module, energy-storage module and the power supply control being sequentially connected
Module.
When someone applies external force to the manhole cover body for being provided with electricity generation module, electricity generation module converts pressure into electric energy, real
Existing self-powered, energy saving is economic and environment-friendly.
Further describe, the electricity generation module includes and piezoelectric membrane, the both sides of the piezoelectric membrane are provided with tooth
The flank of tooth of surface layer and lower tooth surface layer, the addendum flank layer and lower tooth surface layer towards the piezoelectric membrane, and the addendum flank layer and
The tooth bar of lower tooth surface layer is arranged alternately, and insulating protective layer, the piezoelectric membrane and the storage are also covered with the addendum flank layer
Can module connection.
When someone jams on manhole cover body, addendum flank layer and lower tooth surface layer apply external force to piezoelectric membrane simultaneously, make piezoelectricity
Thin film obtains the external force effect more more concentrated greatly, makes piezoelectric membrane convert pressure into electric energy, and conversion effect is good, economic and practical,
Energy-conserving and environment-protective.
The beneficial effects of the utility model：In real time sewer barometric information is detected, gathered and processed, while using
Confession electrically, is powered to pressure test device and air pressure signal processing control module, economical and energy saving, and power supply is convenient；Air pressure is examined
Device long service life is surveyed, is changed and easy to maintenance, the signal stabilization essence that air pressure signal processing and control module signal processing is obtained
Really, security performance is high.
Description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is pressure signal processing circuit figure of the present utility model；
Fig. 3 is air pressure signal processing controls block diagram of the present utility model；
Fig. 4 is self-powered control block diagram of the present utility model；
Fig. 5 is electricity generation module structural representation of the present utility model.
Specific embodiment
Specific embodiment of the present utility model and operation principle are described in further detail below in conjunction with the accompanying drawings.
It will be seen from figure 1 that a kind of explosion-proof well cover for sewer of self-powered, including manhole cover body 1, it is characterised in that：
Pressure test device 2 is provided with the lower surface of the manhole cover body 1, the pressure test device 2 processes control with air pressure signal
Molding block 3 connects, and self-powered module 4, the self-powered module 4 and the gas are provided with the exposed face of the manhole cover body 1
Pressure detection means 2, air pressure signal processing and control module 3 connect.
Wherein, it is seen also in fig. l that the pressure test device 2 includes tubular testing agency 21, the tubular detection
Mechanism 21 is vertically provided in sewer well, and the lower surface of one end of the tubular testing agency 21 and the manhole cover body 1
Connection, pressure transducer 22, spring 23 is disposed with from top to bottom in the barrel chamber of the tubular testing agency 21 and is promoted
Block 24, spring 23 described in the Jing of the pressure transducer 22 is connected with the pushing block 24, and the pushing block 24 is close to the cylinder
The inwall of shape testing agency 21.
It is seen also in fig. l that being provided with relief hole 25, the relief hole 25 in the barrel of tubular testing agency 21
One end communicates through the manhole cover body 1 with the external world, and the other end of the relief hole 25 passes the tubular testing agency 21
Inwall forms pressure relief opening, and the pressure relief opening is opened in the pushing block 24 and hangs down naturally the top of position.
In the present embodiment, the air pressure signal processing and control module 3 includes pressure signal processing circuit 31 and controller
32, pressure signal processing circuit 31 described in the Jing of the pressure transducer 22 is connected with the controller 32.
Figure it is seen that the pressure signal processing circuit 31 includes the first operational amplifier U1, first computing
In-phase input end Jing first resistors R1 of amplifier U1 are connected with the pressure transducer 22, the pressure transducer 22 with it is described
Common port difference Jing second resistances R2 of first resistor R1 and the first electric capacity C1 ground connection, the first operational amplifier U1's is anti-phase
Successively Jing 3rd resistors R3, the second electric capacity C2 are grounded input；The first operational amplifier U1 outfans difference Jing the 4th is electric
Resistance R4, the 3rd electric capacity C3 are connected with the inverting input of the first operational amplifier U1；
The outfan of the first operational amplifier U1 the electric capacity C4 of Jing the 4th, the 5th resistance R5 and the second operation amplifier successively
The inverting input connection of device U2, in-phase input end difference electric capacity C5 of Jing the 5th of the second operational amplifier U2 and the 6th electric
Resistance R6 ground connection, the outfan difference resistance R7 of Jing the 7th, the 6th electric capacity C6 and described second fortune of the second operational amplifier U2
Calculate the connection of amplifier U2 inverting inputs；
The outfan of the second operational amplifier U2 the resistance R8 of Jing the 8th, the 9th resistance R9 and the 3rd operation amplifier successively
The inverting input connection of device U3, the inverting input also electric capacity C7 of Jing the 7th ground connection of the 3rd operational amplifier U3 is described
The electric capacity C8 of outfan Jing the 8th of the 3rd operational amplifier U3 are connected with the common port of the 8th resistance R8, the 9th resistance R9,
The outfan of the 3rd operational amplifier U3 is also connected with the in-phase input end of the 3rd operational amplifier U3, and the described 3rd
The outfan of the operational amplifier U3 also resistance R10 of Jing the tenth are connected with the input end of analog signal of analog-to-digital conversion module, the mould
The digital signal output end of number modular converter is connected with the controller.
From figure 3, it can be seen that being connected with alarm device, display device, teletransmission device on the controller.
From fig. 4, it can be seen that the self-powered module 4 includes the electricity generation module 41 being sequentially connected, energy-storage module 42 and supplies
Electric control module 43.
From fig. 5, it can be seen that the electricity generation module 41 includes and piezoelectric membrane 41a, the both sides of the piezoelectric membrane 41a set
The flank of tooth for being equipped with addendum flank layer 41b and lower tooth surface layer 41c, the addendum flank layer 41b and lower tooth surface layer 41c is thin towards the piezoelectricity
Film 41a, and the tooth bar of the addendum flank layer 41b and lower tooth surface layer 41c is arranged alternately, and is also covered with the addendum flank layer 41b
Insulating protective layer 41d, the piezoelectric membrane 41a is connected with the energy-storage module 42.
Operation principle of the present utility model：
When people walk on well cover for sewer, pressure can be applied to the self-powered module 4 being arranged in manhole cover body, be sent out
The piezoelectric membrane 41a of electric module 41 is collected after pressure, converts kinetic energy into electric energy, to pressure test device 2 and air pressure signal
Processing and control module 3 is powered.
When the increase of sewer air pressure, pushing block 24 is moved upwards under the influence of air pressure, meanwhile, spring 23 receives extruding and receives
Contracting, makes the pressure transducer 22 for being arranged on the top of spring 23 collect pressure signal, the process control of pressure signal Jing air pressure signals
The pressure signal processing circuit 31 of molding block 3 is sent to controller 32 after processing, and controller 32 passes through the pressure signal of detection
Display device shows, and can be sent to pressure signal at a distance by teletransmission device, is easy to remotely control.
When air pressure is excessive, upwards move distance is big for pushing block 24, when the porch higher than relief hole 25 is moved to, lets out
Pressure hole 25 is capable of achieving discharge part gas, to reach the effect for reducing sewer air pressure.
In the present embodiment, power control module 43 also with normal power supply connection, to prevent self-powered module 4 from powering
Not enough situation, improves the reliability of whole pressure test device, never power-off.
Claims (8)
1. the explosion-proof well cover for sewer of a kind of self-powered, including manhole cover body (1), it is characterised in that：In the manhole cover body (1)
Lower surface on be provided with pressure test device (2), the pressure test device (2) and air pressure signal processing and control module (3)
Connection, is provided with self-powered module (4), the self-powered module (4) and the air pressure on the exposed face of the manhole cover body (1)
Detection means (2), air pressure signal processing and control module (3) connection.
2. the explosion-proof well cover for sewer of self-powered according to claim 1, it is characterised in that：The pressure test device
(2) including tubular testing agency (21), the tubular testing agency (21) is vertically provided in sewer well, and the tubular is examined
The one end for surveying mechanism (21) is connected with the lower surface of the manhole cover body (1), in the barrel chamber of the tubular testing agency (21)
Pressure transducer (22), spring (23) and pushing block (24), pressure transducer (22) the Jing institutes are disposed with from top to bottom
State spring (23) to be connected with the pushing block (24), and the pushing block (24) is close to tubular testing agency (21) inwall.
3. the explosion-proof well cover for sewer of self-powered according to claim 2, it is characterised in that：In the tubular testing agency
(21) relief hole (25) is provided with barrel, described relief hole (25) one end communicates through the manhole cover body (1) with the external world, institute
The other end for stating relief hole (25) passes the inwall formation pressure relief opening of the tubular testing agency (21), and the pressure relief opening is opened in
The pushing block (24) is hung down the top of position naturally.
4. the explosion-proof well cover for sewer of self-powered according to claim 2, it is characterised in that：The air pressure signal processes control
Molding block (3) includes pressure signal processing circuit (31) and controller (32), pressure letter described in pressure transducer (22) Jing
Number process circuit (31) is connected with the controller (32).
5. the explosion-proof well cover for sewer of self-powered according to claim 4, it is characterised in that：The pressure signal processes electricity
Road (31) includes the first operational amplifier U1, in-phase input end Jing first resistors R1 of the first operational amplifier U1 with it is described
Pressure transducer (22) connects, and the pressure transducer (22) distinguishes Jing second resistances R2 with the common port of first resistor R1
With the first electric capacity C1 ground connection, the inverting input of the first operational amplifier U1 Jing 3rd resistors R3, the second electric capacity C2 successively
Ground connection；The first operational amplifier U1 outfans difference resistance R4 of Jing the 4th, the 3rd electric capacity C3 and first operation amplifier
The inverting input connection of device U1；
The outfan of the first operational amplifier U1 the electric capacity C4 of Jing the 4th, the 5th resistance R5 and the second operational amplifier U2 successively
Inverting input connection, the second operational amplifier U2 in-phase input end difference the electric capacity C5 of Jing the 5th and the 6th resistance R6
Ground connection, the outfan of the second operational amplifier U2 respectively with second computing put by the resistance R7 of Jing the 7th, the 6th electric capacity C6
Big device U2 inverting inputs connection；
The outfan of the second operational amplifier U2 the resistance R8 of Jing the 8th, the 9th resistance R9 and the 3rd operational amplifier U3 successively
Inverting input connection, the 3rd operational amplifier U3 the inverting input also electric capacity C7 of Jing the 7th ground connection, the described 3rd
The electric capacity C8 of outfan Jing the 8th of operational amplifier U3 are connected with the common port of the 8th resistance R8, the 9th resistance R9, described
The outfan of the 3rd operational amplifier U3 is also connected with the in-phase input end of the 3rd operational amplifier U3, the 3rd computing
The outfan of the amplifier U3 also resistance R10 of Jing the tenth are connected with the input end of analog signal of analog-to-digital conversion module, and the modulus turns
The digital signal output end of mold changing block is connected with the controller.
6. the explosion-proof well cover for sewer of self-powered according to claim 4 or 5, it is characterised in that：Connect on the controller
It is connected to alarm device, display device, teletransmission device.
7. the explosion-proof well cover for sewer of self-powered according to claim 1, it is characterised in that：The self-powered module (4)
Including the electricity generation module (41), energy-storage module (42) and power control module (43) that are sequentially connected.
8. the explosion-proof well cover for sewer of self-powered according to claim 7, it is characterised in that：Electricity generation module (41) bag
Include and piezoelectric membrane (41a), the both sides of the piezoelectric membrane (41a) are provided with addendum flank layer (41b) and lower tooth surface layer (41c),
The flank of tooth of the addendum flank layer (41b) and lower tooth surface layer (41c) is towards the piezoelectric membrane (41a), and the addendum flank layer
(41b) it is arranged alternately with the tooth bar of lower tooth surface layer (41c), on the addendum flank layer (41b) insulating protective layer is also covered with
(41d), the piezoelectric membrane (41a) is connected with the energy-storage module (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621132275.1U CN206143814U (en) | 2016-10-18 | 2016-10-18 | From explosion -proof sewer well lid of battery powered |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621132275.1U CN206143814U (en) | 2016-10-18 | 2016-10-18 | From explosion -proof sewer well lid of battery powered |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206143814U true CN206143814U (en) | 2017-05-03 |
Family
ID=58622588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621132275.1U Expired - Fee Related CN206143814U (en) | 2016-10-18 | 2016-10-18 | From explosion -proof sewer well lid of battery powered |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206143814U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132173A (en) * | 2017-06-21 | 2017-09-05 | 江苏久朗高科技股份有限公司 | A kind of air purifier filter screen service life real-time detection apparatus and analysis method |
| CN107574841A (en) * | 2017-09-20 | 2018-01-12 | 昆明理工大学 | A kind of binary channels pressure electricity-generating manhole lid device |
| CN110164100A (en) * | 2019-06-25 | 2019-08-23 | 重庆市农业机械化学校 | A kind of electronic alerts device |
-
2016
- 2016-10-18 CN CN201621132275.1U patent/CN206143814U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132173A (en) * | 2017-06-21 | 2017-09-05 | 江苏久朗高科技股份有限公司 | A kind of air purifier filter screen service life real-time detection apparatus and analysis method |
| CN107574841A (en) * | 2017-09-20 | 2018-01-12 | 昆明理工大学 | A kind of binary channels pressure electricity-generating manhole lid device |
| CN110164100A (en) * | 2019-06-25 | 2019-08-23 | 重庆市农业机械化学校 | A kind of electronic alerts device |
| CN110164100B (en) * | 2019-06-25 | 2020-11-17 | 重庆市农业机械化学校 | Electronic alarm device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170503 Termination date: 20171018 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |