CN108802827A - A kind of intelligent city's sewer pipe network manhole cover system compression spring signaling switch - Google Patents
A kind of intelligent city's sewer pipe network manhole cover system compression spring signaling switch Download PDFInfo
- Publication number
- CN108802827A CN108802827A CN201810601078.7A CN201810601078A CN108802827A CN 108802827 A CN108802827 A CN 108802827A CN 201810601078 A CN201810601078 A CN 201810601078A CN 108802827 A CN108802827 A CN 108802827A
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- fixedly connected
- pedestal
- sleeve
- pipe network
- sewer pipe
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
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- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Fluid Mechanics (AREA)
- Measuring Fluid Pressure (AREA)
- Sewage (AREA)
Abstract
The invention discloses a kind of intelligent city's sewer pipe network manhole cover system compression spring signaling switches, it is related to level detection technical field, it solves when cover board loss, damage or detection device are safeguarded, need manual inspection that could find, the problem for causing the maintenance efficiency of cover board relatively low, its key points of the technical solution are that：The pressure switch for further including the probe group being set in well pipeline and being contradicted with cover board lower surface, the pressure switch are electrically connected with probe group；The pressure switch includes the pedestal being fixedly connected with well inner wall of the pipe and the sleeve that is fixedly connected with pedestal；The sleeve lining is set there are two the interconnecting piece being connect respectively with two terminals of probe group, and the sleeve is interior to be equipped with resetting spring, and the sleeve is plugged with the pressure column being fixedly connected with resetting spring upper end；The pressure column is socketed with contradicts the contact sleeve for realizing that probe group is connected with interconnecting piece, has and fast and accurately detects cover board state, improves the effect of cover board maintenance efficiency.
Description
Technical field
The present invention relates to level detection technical fields, more specifically, it relates to a kind of intelligent city's sewer pipe network well lid
System pressure spring signaling switch.
Background technology
Intelligent city be based on inductor Internet of Things and existing internet integrate, at fast calculation analysis
Reason carries out personnel, equipment and infrastructure in net the urban development type of real-time management and control.Wherein, sewer pipe network
The important channel of urban sewage discharge, sewer pipe network it is unimpeded whether affect the quality of life of city dweller.
Currently, city sewer pipe network is intricate, during detection sewer pipe network unimpeded situation, generally pass through
Infrared detection equipment and laser detection equipment detect the level condition in sewer pipe network, then to infrared detection equipment
Analyzing processing is carried out with the liquid level signal that laser detection equipment detects, finally obtains the unimpeded situation of sewer pipe network.
But since the keying of detection device is controlled by self-contained power switch, when cover board is lost, damage or
It when detection device is safeguarded, needs manual inspection that could find, causes the maintenance efficiency of cover board relatively low.
Invention content
The object of the present invention is to provide a kind of intelligent city's sewer pipe network manhole cover system compression spring signaling switches, have fast
Fast accurately detection cover board state, improves the effect of cover board maintenance efficiency.
The flexibly keying of control detection device, reduces the effect of detection device operating cost.
The present invention above-mentioned technical purpose technical scheme is that：A kind of intelligent city's sewer pipe network
Manhole cover system compression spring signaling switch, including well pipeline and the cover board with the conjunction of well duct cap, further include being set to well
Probe group in pipeline and the pressure switch with the conflict of cover board lower surface, the pressure switch are electrically connected with probe group；The pressure
Power switch includes the pedestal being fixedly connected with well inner wall of the pipe and the sleeve that is fixedly connected with pedestal；The sleeve lining is equipped with
Two interconnecting pieces being connect respectively with two terminals of probe group, are equipped with resetting spring in the sleeve, the sleeve be plugged with
The pressure column that resetting spring upper end is fixedly connected；The pressure column is socketed with the contact for being contradicted with interconnecting piece and realizing the conducting of probe group
Set.
By using above-mentioned technical proposal, when cover board and well duct cap are closed, cover board lower surface is contradicted with pressure column, pressure
Power column compression reseting spring during moving straight down, after contact sleeve and two interconnecting pieces conflicts, the conducting of probe group；
Cover board is with well pipeline opening procedure, and pressure column moves straight up under the effect of resetting spring elastic force, when contact sleeve and two
After a interconnecting piece is detached from conflict state, the power-off of probe group；Convenient for fast and accurately detecting cover board state, cover board maintenance effect is improved
Rate.
The present invention is further arranged to：The pedestal is fixedly connected with the mounting cylinder for sleeve grafting.
By using above-mentioned technical proposal, sleeve and mounting cylinder grafting are utilized so that the installation of sleeve and disassembling section side
Just.
The present invention is further arranged to：The pedestal is the level board being fixedly connected with well pipeline inner roof wall, pedestal with
Extension board is equipped between mounting cylinder；Described extension board one end is fixedly connected with pedestal, and the other end is fixedly connected with mounting cylinder.
Connected convenient for fixing pressure switch and well pipeline inner roof wall using level board by using above-mentioned technical proposal
It connects.
The present invention is further arranged to：The extension board include respectively with pedestal and mounting cylinder are fixedly connected first connect
Plate and the second connecting plate, the first connecting plate and the rotation connection of the second connecting plate.
It by using above-mentioned technical proposal, is rotatablely connected using the first connecting plate and the second connecting plate, convenient in horizontal plane
The interior position for adjusting mounting cylinder.
The present invention is further arranged to：The pedestal is the vertical plate being fixedly connected with well insides of pipes wall, pedestal with
Extension board is equipped between mounting cylinder；Described extension board one end is fixedly connected with pedestal, and the other end is fixedly connected with mounting cylinder.
Connected convenient for fixing pressure switch and well insides of pipes wall using vertical plate by using above-mentioned technical proposal
It connects.
The present invention is further arranged to：The mounting cylinder is equipped with L-type slot；One straight flange of L-type slot runs through mounting cylinder side
Wall, another straight flange run through mounting cylinder bottom surface.
By using above-mentioned technical proposal, L-type slot is utilized so that the replacement of pressure switch and attended operation are simple.
The present invention is further arranged to：The probe group includes multiple probe units and is fixedly connected with well inner wall of the pipe
Detection pillar；The detection pillar is extended along well pipeline depth direction, and multiple probe units are along detection pillar length
Direction extends distribution.
It is multiple when the depth difference of water in well pipeline using multiple probe units by using above-mentioned technical proposal
Probe unit generates the liquid level signal of various combination, and liquid level signal is transferred to collecting terminal, improves well pipeline
The accuracy of liquid level signal detection.
The present invention is further arranged to：Spacing successively increases from bottom to up between the adjacent probe unit.
By using above-mentioned technical proposal, reduce the quantity of probe unit, reduces the input cost of probe group.
In conclusion the invention has the advantages that：When cover board and well duct cap are closed, cover board lower surface and pressure
Power column contradicts, pressure column compression reseting spring during moving straight down, after contact sleeve and two interconnecting pieces conflicts,
Probe group is connected；With well pipeline opening procedure, pressure column moves cover board straight up under the effect of resetting spring elastic force, when
After contact sleeve and two interconnecting pieces are detached from conflict state, the power-off of probe group；Convenient for fast and accurately detecting cover board state, lid is improved
Plate maintenance efficiency；Utilize sleeve and mounting cylinder grafting so that the installation of sleeve is convenient with disassembling section；Using the first connecting plate and
Second connecting plate is rotatablely connected, convenient for adjusting the position of mounting cylinder in the horizontal plane；Utilize L-type slot so that pressure switch is more
It changes simple with attended operation.
Description of the drawings
Fig. 1 is the overall structure diagram in embodiment 1；
Fig. 2 is the structural schematic diagram of pressure switch in embodiment 1；
Fig. 3 be in Fig. 2 along line A-A split after structural schematic diagram；
Fig. 4 is the structural schematic diagram of pressure switch in embodiment 2.
In figure：1, well pipeline；11, cover board；2, pressure switch；21, pedestal；22, mounting hole；23, extension board；24,
One connecting plate；25, the second connecting plate；251, mounting cylinder；26, sleeve；261, interconnecting piece；27, L-type slot；28, resetting spring；29,
Pressure column；291, contact sleeve；3, probe group；31, pillar is detected；32, probe unit.
Specific implementation mode
Below in conjunction with attached drawing 1-4, invention is further described in detail.
Embodiment 1：A kind of intelligent city's sewer pipe network manhole cover system compression spring signaling switch, as shown in Figure 1, including water
Well conduit 1 and the cover board 11 closed with the lid of well pipeline 1.1 inner wall of well pipeline is equipped with probe group 3 and pressure switch 2, and pressure is opened
It closes 2 and is contradicted with 11 lower surface of cover board, pressure switch 2 is electrically connected with probe group 3.
As shown in Figures 1 and 3, pressure switch 2 include the pedestal 21 being fixedly connected with 1 inner wall of well pipeline and with pedestal 21
The sleeve 26 being fixedly connected.For pedestal 21 through setting there are four mounting hole 22, setting, the bottom end of sleeve 26 are run through in the top of sleeve 26
Sealed set.26 inner wall of sleeve sets that there are two the interconnecting piece 261 that is connect respectively with 3 liang of terminals of probe group, 261 directions of interconnecting piece
26 central shaft of sleeve is raised, and the interconnecting piece 261 in the present embodiment is elastic piece.Resetting spring 28, sleeve 26 are equipped in sleeve 26
It is plugged with the pressure column 29 being fixedly connected with 28 upper end of resetting spring.Pressure column 29, which is socketed with to contradict with interconnecting piece 261, realizes spy
The contact sleeve 291 of 3 conducting of head group.Contact sleeve 291 in the present embodiment is made of an electrically conducting material.By cover board 11 and well pipeline 1
When lid closes, 11 lower surface of cover board is contradicted with pressure column 29, compression reseting spring during moving straight down of pressure column 29
28, after contact sleeve 291 and two conflicts of interconnecting pieces 261, probe group 3 is connected.In cover board 11 and 1 opening procedure of well pipeline,
Pressure column 29 moves straight up under the effect of 28 elastic force of resetting spring, when contact sleeve 291 and two interconnecting pieces 261 are detached from and contradict
After state, probe group 3 powers off.Convenient for fast and accurately detecting 11 state of cover board, 11 maintenance efficiency of cover board is improved.
As shown in Figure 2 and Figure 3, pedestal 21 is fixedly connected with the mounting cylinder 251 for 26 grafting of sleeve.Utilize sleeve 26 and peace
251 grafting of fitted tube so that the installation of sleeve 26 is convenient with disassembling section.
As shown in Figures 1 and 2, the pedestal 21 in the present embodiment is the level board being fixedly connected with 1 inner roof wall of well pipeline,
Extension board 23 is equipped between pedestal 21 and mounting cylinder 251.23 one end of extension board is fixedly connected with pedestal 21, the other end and mounting cylinder
251 are fixedly connected.Using level board, convenient for pressure switch 2 is fixedly connected with 1 inner roof wall of well pipeline.
As shown in Figure 2 and Figure 3, extension board 23 include respectively with pedestal 21 and mounting cylinder 251 are fixedly connected first connect
Plate 24 and the second connecting plate 25, the first connecting plate 24 and the rotation connection of the second connecting plate 25.Utilize the first connecting plate 24 and second
Connecting plate 25 is rotatablely connected, convenient for adjusting the position of mounting cylinder 251 in the horizontal plane.
As shown in Figure 2 and Figure 3, mounting cylinder 251 is equipped with L-type slot 27.27 1 straight flange of L-type slot runs through 251 side wall of mounting cylinder,
Another straight flange runs through 251 bottom surface of mounting cylinder.Utilize L-type slot 27 so that the replacement of pressure switch 2 and attended operation are simple.
As shown in Figure 1, probe group 3 includes multiple probe units 32 and the detection being fixedly connected with 1 inner wall of well pipeline shield
Pipe 31 uses 5 probe units 32 in the present embodiment.It detects pillar 31 to be extended along 1 depth direction of well pipeline, multiple spies
It surveys unit 32 and extends distribution along detection 31 length direction of pillar.Using multiple probe units 32, when the depth of water in well pipeline 1
When different, multiple probe units 32 generate the liquid level signal of various combination, and liquid level signal is transferred to collecting terminal, carry
The high accuracy of 11 liquid level signal of well pipeline detection.
As shown in Figure 1, spacing successively increases from bottom to up between adjacent detector unit 32.Reduce the number of probe unit 32
Amount, reduces the input cost of probe group 3.
Embodiment 2：A kind of intelligent city's sewer pipe network manhole cover system compression spring signaling switch, as shown in figure 4, embodiment
2 difference from example 1 is that：Pedestal 21 is vertical to be fixedly connected with 1 (not shown) madial wall of well pipeline
Plate is equipped with extension board 23 between pedestal 21 and mounting cylinder 251.23 one end of extension board is fixedly connected with pedestal 21, the other end and peace
Fitted tube 251 is fixedly connected.Using vertical plate, convenient for pressure switch 2 is fixedly connected with 1 madial wall of well pipeline.
Operation principle：When cover board 11 and the lid of well pipeline 1 are closed, 11 lower surface of cover board is contradicted with pressure column 29, pressure column
29 during moving straight down compression reseting spring 28 pop one's head in after contact sleeve 291 is contradicted with two interconnecting pieces 261
3 conducting of group；With 1 opening procedure of well pipeline, pressure column 29 moves cover board 11 straight up under the effect of 28 elastic force of resetting spring
Dynamic, after contact sleeve 291 and two disengaging conflict states of interconnecting pieces 261, probe group 3 powers off；Convenient for fast and accurately detecting lid
11 state of plate improves 11 maintenance efficiency of cover board.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Claims (8)
1. a kind of intelligent city's sewer pipe network manhole cover system compression spring signaling switch, including well pipeline (1) and with well pipe
The cover board (11) that road (1) lid closes, it is characterized in that：Further include the probe group (3) being set in well pipeline (1) and with cover board (11)
The pressure switch (2) that lower surface contradicts, the pressure switch (2) are electrically connected with probe group (3)；The pressure switch (2) includes
The pedestal (21) being fixedly connected with well pipeline (1) inner wall and the sleeve (26) being fixedly connected with pedestal (21)；The sleeve
(26) inner wall is set there are two the interconnecting piece (261) being connect respectively with (3) two terminals of probe group, and the sleeve (26) is interior to be equipped with again
Position spring (28), the sleeve (26) are plugged with the pressure column (29) being fixedly connected with resetting spring (28) upper end；The pressure
Column (29) is socketed with contradicts the contact sleeve (291) for realizing that probe group (3) is connected with interconnecting piece (261).
2. a kind of intelligent city's sewer pipe network manhole cover system compression spring signaling switch according to claim 1, feature
It is：The pedestal (21) is fixedly connected with the mounting cylinder (251) for sleeve (26) grafting.
3. a kind of intelligent city's sewer pipe network manhole cover system compression spring signaling switch according to claim 2, feature
It is：The pedestal (21) is the level board being fixedly connected with well pipeline (1) inner roof wall, pedestal (21) and mounting cylinder (251) it
Between be equipped with extension board (23)；Described extension board (23) one end is fixedly connected with pedestal (21), and the other end is fixed with mounting cylinder (251)
Connection.
4. a kind of intelligent city's sewer pipe network manhole cover system compression spring signaling switch according to claim 3, feature
It is：The extension board (23) includes the first connecting plate (24) for being fixedly connected respectively with pedestal (21) and mounting cylinder (251) and the
Two connecting plates (25), the first connecting plate (24) and the second connecting plate (25) rotation connection.
5. a kind of intelligent city's sewer pipe network manhole cover system compression spring signaling switch according to claim 2, feature
It is：The pedestal (21) is the vertical plate being fixedly connected with well pipeline (1) madial wall, pedestal (21) and mounting cylinder (251) it
Between be equipped with extension board (23)；Described extension board (23) one end is fixedly connected with pedestal (21), and the other end is fixed with mounting cylinder (251)
Connection.
6. a kind of intelligent city's sewer pipe network manhole cover system compression spring signaling switch according to claim 2, feature
It is：The mounting cylinder (251) is equipped with L-type slot (27)；(27) one straight flange of the L-type slot runs through mounting cylinder (251) side wall, another
Straight flange runs through mounting cylinder (251) bottom surface.
7. a kind of intelligent city's sewer pipe network manhole cover system compression spring signal according to claim 1-6 any one is opened
It closes, it is characterized in that：The probe group (3) includes multiple probe units (32) and the spy that is fixedly connected with well pipeline (1) inner wall
Survey pillar (31)；The detection pillar (31) is extended along well pipeline (1) depth direction, and multiple probe units (32) are along spy
It surveys pillar (31) length direction and extends distribution.
8. a kind of intelligent city's sewer pipe network manhole cover system compression spring signaling switch according to claim 7, feature
It is：Spacing successively increases from bottom to up between the adjacent probe unit (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601078.7A CN108802827B (en) | 2018-06-12 | 2018-06-12 | Pressure spring signal switch of intelligent urban sewer pipe network well lid system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810601078.7A CN108802827B (en) | 2018-06-12 | 2018-06-12 | Pressure spring signal switch of intelligent urban sewer pipe network well lid system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108802827A true CN108802827A (en) | 2018-11-13 |
| CN108802827B CN108802827B (en) | 2020-04-21 |
Family
ID=64085284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810601078.7A Active CN108802827B (en) | 2018-06-12 | 2018-06-12 | Pressure spring signal switch of intelligent urban sewer pipe network well lid system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108802827B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252924A (en) * | 2021-12-21 | 2022-03-29 | 江苏翰林正川工程技术有限公司 | Contactless well lid detection device |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7626508B2 (en) * | 2002-03-05 | 2009-12-01 | Aeromesh Corporation | Monitoring system and method |
| CN201648984U (en) * | 2010-04-13 | 2010-11-24 | 张炜煜 | Sewer mouth warning device |
| US7889079B2 (en) * | 2008-06-07 | 2011-02-15 | Kuwait University | Anti security system for manhole covers |
| CN202284299U (en) * | 2011-11-11 | 2012-06-27 | 胡希蒙 | Safe inspection well seat |
| CN103198598A (en) * | 2013-04-07 | 2013-07-10 | 无锡市崇安区科技创业服务中心 | Well cover alerter |
| CN203625940U (en) * | 2013-11-06 | 2014-06-04 | 临安巨丰城市配套设备有限公司 | Inspection well device capable of automatically alarming |
| CN204087398U (en) * | 2014-09-03 | 2015-01-07 | 贵州电网公司信息通信分公司 | A kind of walling crib formula well lid monitoring alarm triggered device |
| CN204731919U (en) * | 2015-07-10 | 2015-10-28 | 上海北斗卫星导航平台有限公司 | The sensing device of monitor well lid state |
| CN204990603U (en) * | 2015-08-04 | 2016-01-20 | 苏州工业园区工业技术学校 | Missile silo hole condition intelligence monitoring alarm |
| CN205636805U (en) * | 2016-03-29 | 2016-10-12 | 成都易信达科技股份有限公司 | Intelligent well lid that can report to police |
| CN206224752U (en) * | 2016-08-30 | 2017-06-06 | 江西飞尚科技有限公司 | A kind of 433MHZ based on contact switch is wireless inspection well cover state monitoring apparatus |
| CN106836304A (en) * | 2017-03-24 | 2017-06-13 | 上海理工大学 | Automatic alarm manhole lid device |
| CN107587525A (en) * | 2017-09-29 | 2018-01-16 | 珠海市领创智能物联网研究院有限公司 | A kind of intelligent well lid based on Internet of Things |
-
2018
- 2018-06-12 CN CN201810601078.7A patent/CN108802827B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7626508B2 (en) * | 2002-03-05 | 2009-12-01 | Aeromesh Corporation | Monitoring system and method |
| US7889079B2 (en) * | 2008-06-07 | 2011-02-15 | Kuwait University | Anti security system for manhole covers |
| CN201648984U (en) * | 2010-04-13 | 2010-11-24 | 张炜煜 | Sewer mouth warning device |
| CN202284299U (en) * | 2011-11-11 | 2012-06-27 | 胡希蒙 | Safe inspection well seat |
| CN103198598A (en) * | 2013-04-07 | 2013-07-10 | 无锡市崇安区科技创业服务中心 | Well cover alerter |
| CN203625940U (en) * | 2013-11-06 | 2014-06-04 | 临安巨丰城市配套设备有限公司 | Inspection well device capable of automatically alarming |
| CN204087398U (en) * | 2014-09-03 | 2015-01-07 | 贵州电网公司信息通信分公司 | A kind of walling crib formula well lid monitoring alarm triggered device |
| CN204731919U (en) * | 2015-07-10 | 2015-10-28 | 上海北斗卫星导航平台有限公司 | The sensing device of monitor well lid state |
| CN204990603U (en) * | 2015-08-04 | 2016-01-20 | 苏州工业园区工业技术学校 | Missile silo hole condition intelligence monitoring alarm |
| CN205636805U (en) * | 2016-03-29 | 2016-10-12 | 成都易信达科技股份有限公司 | Intelligent well lid that can report to police |
| CN206224752U (en) * | 2016-08-30 | 2017-06-06 | 江西飞尚科技有限公司 | A kind of 433MHZ based on contact switch is wireless inspection well cover state monitoring apparatus |
| CN106836304A (en) * | 2017-03-24 | 2017-06-13 | 上海理工大学 | Automatic alarm manhole lid device |
| CN107587525A (en) * | 2017-09-29 | 2018-01-16 | 珠海市领创智能物联网研究院有限公司 | A kind of intelligent well lid based on Internet of Things |
Non-Patent Citations (1)
| Title |
|---|
| 刘培泉 等，: "安徽泗许亳州段人、手孔井盖防盗和井内水位报警系统", 《公路交通科技》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114252924A (en) * | 2021-12-21 | 2022-03-29 | 江苏翰林正川工程技术有限公司 | Contactless well lid detection device |
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| Publication number | Publication date |
|---|---|
| CN108802827B (en) | 2020-04-21 |
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