CN108163402A - Manhole cover with aperture monitoring device - Google Patents
Manhole cover with aperture monitoring device Download PDFInfo
- Publication number
- CN108163402A CN108163402A CN201711265878.8A CN201711265878A CN108163402A CN 108163402 A CN108163402 A CN 108163402A CN 201711265878 A CN201711265878 A CN 201711265878A CN 108163402 A CN108163402 A CN 108163402A
- Authority
- CN
- China
- Prior art keywords
- top board
- monitoring device
- hall element
- permanent magnet
- manhole
- 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.)
- Withdrawn
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 238000006073 displacement reaction Methods 0.000 claims abstract description 12
- 230000009466 transformation Effects 0.000 claims abstract description 11
- 230000005674 electromagnetic induction Effects 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 4
- 230000035945 sensitivity Effects 0.000 abstract description 4
- 239000002828 fuel tank Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/10—Manholes; Inspection openings; Covers therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Burglar Alarm Systems (AREA)
Abstract
The present invention relates to a kind of manhole covers with aperture monitoring device, and including cover, manhole, top board, lower platen, monitoring device is set between top board and cover;Mainly monitoring device uses Hall electromagnetic induction sensor, and the Hall electromagnetic induction sensor is made of babinet, case lid, displacement transformation mechanism, permanent magnet and Hall element;The input terminal of displacement transformation mechanism and the rotation axis connection of top board, output terminal are fixedly connected with permanent magnet;Hall element is mounted on the cabinets cavity of permanent magnet end face side, and signal processing apparatus is installed in the babinet of Hall element side;The signal processing apparatus is made of proportional amplifier, when top board is opened, its rotary shaft drives runner, axis pin and the connecting plate rotation that one end is connect with axis pin, the connecting plate other end pulls sliding block to move linearly in cabinets cavity wall sliding slot by fixing axle, change hall element output voltage, have the characteristics that detection sensitivity is high, anti-theft performance is good.
Description
Technical field
The present invention relates to oil truck fields, and in particular to fuel tank truck manhole.
Background technology
Fuel tank truck manhole includes cover, the manhole in cover plane, top board and lower platen in manhole, is pressed in unlatching
Plate and lower platen to the built-in oil of oil tank vehicle tank or can enter manhole to being cleaned, being safeguarded in tank body, in order to prevent it is non-just
Normally open top board and lower platen steal oil product in tank body, and anti-theft monitor is installed generally between top board and lower platen.
If number of patent application is the fuel tank truck manhole of CN201611206578.8 and its port lid open detection device, in port lid top board
Travel switch is set between lower platen, its travel switch sends out switching signal when top board or lower platen are opened.But stroke
Switch is a kind of mechanical switch, and in top board or the small unlatching of lower platen, small displacement is also not enough to cause switch shape
The variation of state, and top board or the small unlatching of lower platen have been enough the manual priming from manhole, have stolen oil, detection sensitivity
It is low, anti-theft performance is poor.
Invention content
The purpose of the present invention is in view of the shortcomings of the prior art, provide the tool that a kind of detection sensitivity is high, anti-theft performance is good
There is the manhole cover of aperture monitoring device.
Technical scheme of the present invention includes cover, manhole, top board, lower platen, and manhole is arranged in cover in plane, on
Pressing plate and lower platen are mounted in manhole, and monitoring device is set between top board and cover;Mainly monitoring device is using suddenly
That electromagnetic induction sensor, the Hall electromagnetic induction sensor is by babinet, case lid, displacement transformation mechanism, permanent magnet and Hall
Element forms;Babinet is fixedly mounted in cover in plane, the input terminal of displacement transformation mechanism and the rotation axis connection of top board,
Output terminal is fixedly connected with permanent magnet;Hall element is mounted on the cabinets cavity of permanent magnet end face side, in Hall element side
Installation signal processing apparatus in babinet;The signal processing apparatus is made of proportional amplifier, positive input terminal by resistance with
Hall element output terminal connects, and negative input end is connect by divider resistance with working power negative terminal, in negative input end and output terminal
Between connect adjustable resistor, connect the first filter condenser between output terminal and working power negative terminal, positive input terminal and work
The second filter condenser is connected between power supply negative terminal.
Preferably, displacement transformation mechanism is made of runner, axis pin, connecting plate and sliding block, the rotation center of runner and upper pressure
The rotary shaft end of plate is fixedly connected, and axis pin one end is mounted on runner in the plane at outer circle, and the axis pin other end is with connecting
The pin hole of plate one end moves cooperation, and cooperation is moved in the axis hole of the connecting plate other end and one end of fixing axle, and sliding block one end, which is mounted on, to be fixed
On axis, sliding block both sides are inlaid in sliding slot made on babinet and cover wall,.
It is an advantage of the invention that monitoring device uses the Hall electromagnetic induction sensor being made of permanent magnet and Hall element,
When top board is opened, rotary shaft drives runner, axis pin and the connecting plate rotation that one end is connect with axis pin, and connecting plate is another
End pulls sliding block to move linearly in cabinets cavity wall sliding slot by fixing axle, makes the distance between permanent magnet and Hall element hair
Changing changes hall element output voltage, obtains intellectual monitoring signal by signal processing apparatus and microprocessor, has inspection
Survey high sensitivity, the features such as anti-theft performance is good.
Description of the drawings
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the circuit diagram of signal processing apparatus in Fig. 1 of the present invention.
Specific embodiment
Manhole cover with aperture monitoring device as shown in Figure 1, including cover 1, manhole, top board, lower platen, manhole
It being arranged in cover in plane, top board and lower platen are mounted in manhole, and monitoring device is set between top board and cover,
For monitoring the opening of top board;Monitoring device uses Hall electromagnetic induction sensor, the Hall electromagnetic induction sensing
Device is made of babinet 4, case lid 5, displacement transformation mechanism, permanent magnet 11 and Hall element 12;Babinet 4 is fixedly mounted in cover 1
In plane, the input terminal of displacement transformation mechanism and the rotary shaft 2 of top board connect, and output terminal is fixedly connected with permanent magnet 11, will revolve
The convert rotational motion of shaft 2 is the linear motion of permanent magnet 11;Hall element 12 is mounted on the case of 11 end face side of permanent magnet
4 inner cavity of body, the installation signal processing apparatus 13 in the babinet 4 of 12 side of Hall element;The signal processing apparatus 13 is by ratio
Operational amplifier A forms, and the positive input terminal of proportion operational amplifier A is connect by resistance R1 with 12 output terminal of Hall element,
Negative input end is connect by divider resistance R2 with working power negative terminal, in the negative input end and output terminal of proportion operational amplifier A
Between connect adjustable resistor RW, the first filter capacitor is connected between proportion operational amplifier A output terminals and working power negative terminal
Device C1 connects the second filter condenser C2 between positive input terminal and working power negative terminal, improve the stability of output voltage.Ratio
The output terminal of operational amplifier A and the signal input part of microprocessor connect.Proportion operational amplifier A working power anodes(V+)
Operating voltage between negative terminal is 5V.The power positive end of Hall element 12 connects working power anode(V+), power supply negative terminal connects work
Make power supply negative terminal, as shown in Figure 2.
Displacement transformation mechanism is made of runner 3, axis pin 7, connecting plate 8 and sliding block 10, the rotation center and top board of runner 3
2 end of rotary shaft be fixedly connected, 7 one end of axis pin be mounted on runner 3 in the plane at outer circle, 7 center line of axis pin with rotation
The axis of shaft 2 is parallel, and 7 other end of axis pin and the pin hole of 8 one end of connecting plate move cooperation, and axis pin 7 is made to drive one end of connecting plate 8
It rotates simultaneously, the axis pin periphery installation positioning sleeve 6 between runner 3 and connecting plate 8 keeps the pin hole of connecting plate 8 and axis pin 7
Concentric fit, the axis hole of 8 other end of connecting plate move cooperation with one end of fixing axle 9, and 10 one end of sliding block is mounted in fixing axle 9,
10 both sides of sliding block are inlaid in babinet 4 and in sliding slot made on 5 inner plane of case lid, it is another that permanent magnet 11 is fixedly mounted on sliding block 10
End.
When top board is opened, rotary shaft 2 drives runner 3 to rotate, and the axis pin 7 on runner 3 drives the mobile rotation of connecting plate 8
Turn, 8 other end of connecting plate pulls fixing axle 9 that sliding block 10 is made to be moved in the sliding slot between babinet 4 and case lid 5, by the rotation of runner 3
Transhipment turn turns to the linear motion of sliding block 10, and the distance between permanent magnet 11 and Hall element 12 is made to change, is caused suddenly
You change 12 output voltage of element, pass through signal processing apparatus 13 and microprocessor realizes the aperture of intellectual monitoring manhole cover.Position
Gear, rack gear can also be used by moving transformation mechanism, and straight line of the convert rotational motion of rotary shaft 2 for sliding block 10 is transported
It is dynamic.
Claims (2)
1. a kind of manhole cover with aperture monitoring device, including cover(1), manhole, top board, lower platen, manhole is arranged on
In cover in plane, top board and lower platen are mounted in manhole, and monitoring device is set between top board and cover;Its feature
It is that monitoring device uses Hall electromagnetic induction sensor, the Hall electromagnetic induction sensor is by babinet(4), case lid(5), displacement
Transformation mechanism, permanent magnet(11)And Hall element(12)Composition;Babinet(4)It is fixedly mounted on cover(1)In upper plane, displacement turns
Change the rotary shaft of the input terminal connection top board of mechanism(2), output terminal connection permanent magnet(11);Hall element(12)Using partly leading
Body hall device, mounted on permanent magnet(11)The babinet of end face side(4)Inner cavity, in Hall element(12)The babinet of side(4)
Interior installation signal processing apparatus(13);The signal processing apparatus(13)By proportion operational amplifier(A)Composition, the scale operation
Amplifier(A)Positive input terminal pass through resistance(R1)With Hall element(12)Output terminal connects, and negative input end passes through divider resistance
(R2)It is connect with working power negative terminal, in proportion operational amplifier(A)Negative input end and output terminal between connect adjustable resistance
Device(RW), proportion operational amplifier(A)The first filter condenser is connected between output terminal and working power negative terminal(C1), positive input
The second filter condenser is connected between end and working power negative terminal(C2).
2. the manhole cover according to claim 1 with aperture monitoring device, it is characterized in that displacement transformation mechanism is by runner
(3), axis pin(7), connecting plate(8)And sliding block(10)Composition, runner(3)Rotation center and top board rotary shaft(2)End
It is fixedly connected, axis pin(7)One end is mounted on runner(3)In the plane at outer circle, axis pin(7)The other end and connecting plate(8)
The pin hole of one end moves cooperation, connecting plate(8)The axis hole and fixing axle of the other end(9)One end move cooperation, sliding block(10)Pacify one end
Mounted in fixing axle(9)On, sliding block(10)Both sides are inlaid in babinet(4)With case lid(5)Permanent magnet in made sliding slot on inner plane
(11)It is fixedly mounted on sliding block(10)The other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711265878.8A CN108163402A (en) | 2017-12-05 | 2017-12-05 | Manhole cover with aperture monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711265878.8A CN108163402A (en) | 2017-12-05 | 2017-12-05 | Manhole cover with aperture monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108163402A true CN108163402A (en) | 2018-06-15 |
Family
ID=62524383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711265878.8A Withdrawn CN108163402A (en) | 2017-12-05 | 2017-12-05 | Manhole cover with aperture monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108163402A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1862733A (en) * | 2005-12-31 | 2006-11-15 | 四川道亨计算机软件有限责任公司 | Apparatus lid opening detecting device and detecting method |
| CN201010258Y (en) * | 2007-03-16 | 2008-01-23 | 中国国际海运集装箱(集团)股份有限公司 | Anti-theft boxes for tank containers and tank trucks |
| CN102313064A (en) * | 2010-06-30 | 2012-01-11 | 株式会社电装 | Valve control equipment |
| CN203819812U (en) * | 2014-05-09 | 2014-09-10 | 常州市仁杰机械有限公司 | Manhole cover of oil tank |
| CN204675160U (en) * | 2015-04-21 | 2015-09-30 | 滁州兴扬汽车有限公司 | A kind of tanker manhole lid |
| US20150360859A1 (en) * | 2014-06-17 | 2015-12-17 | Meridian Manufacturing, Inc. | Multi-function closure for a liquid containment tank |
| CN205738920U (en) * | 2016-06-23 | 2016-11-30 | 浙江嘉隆机械设备有限公司 | Anti-theft manhole cover |
-
2017
- 2017-12-05 CN CN201711265878.8A patent/CN108163402A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1862733A (en) * | 2005-12-31 | 2006-11-15 | 四川道亨计算机软件有限责任公司 | Apparatus lid opening detecting device and detecting method |
| CN201010258Y (en) * | 2007-03-16 | 2008-01-23 | 中国国际海运集装箱(集团)股份有限公司 | Anti-theft boxes for tank containers and tank trucks |
| CN102313064A (en) * | 2010-06-30 | 2012-01-11 | 株式会社电装 | Valve control equipment |
| CN203819812U (en) * | 2014-05-09 | 2014-09-10 | 常州市仁杰机械有限公司 | Manhole cover of oil tank |
| US20150360859A1 (en) * | 2014-06-17 | 2015-12-17 | Meridian Manufacturing, Inc. | Multi-function closure for a liquid containment tank |
| CN204675160U (en) * | 2015-04-21 | 2015-09-30 | 滁州兴扬汽车有限公司 | A kind of tanker manhole lid |
| CN205738920U (en) * | 2016-06-23 | 2016-11-30 | 浙江嘉隆机械设备有限公司 | Anti-theft manhole cover |
Non-Patent Citations (1)
| Title |
|---|
| 刘笃仁等: "《传感器原理及应用技术》", 30 April 2009 * |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180615 |