CN105043507B - Cable duct water inlet alarm device - Google Patents
Cable duct water inlet alarm device Download PDFInfo
- Publication number
- CN105043507B CN105043507B CN201510292107.2A CN201510292107A CN105043507B CN 105043507 B CN105043507 B CN 105043507B CN 201510292107 A CN201510292107 A CN 201510292107A CN 105043507 B CN105043507 B CN 105043507B
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- Prior art keywords
- water inlet
- alarm
- cable duct
- switch
- slide block
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 63
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 238000007789 sealing Methods 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 241000521257 Hydrops Species 0.000 description 6
- 206010030113 Oedema Diseases 0.000 description 6
- 238000001514 detection method Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Abstract
The invention discloses cable duct water inlet alarm device, including alarm, water inlet monitoring triggers device, alarm is connected with control circuit, water inlet monitoring triggers device and is connected with cable duct bottom faces, control switch and be located at the top triggering device into water monitoring, water inlet monitoring triggers device and includes casing, casing includes gripper shoe, tank wall, guide plate every, upper cavity, lower chamber, gripper shoe is provided with inlet opening, kicker baffle and cabinets cavity use waterproof being tightly connected at link position, lower chamber is provided with float ball, it is provided with fairlead at kicker baffle, fairlead uses fluid-tight being tightly connected with kicker baffle, the endoporus of fairlead is provided with slide block, mobile contact is connected with the upper end of slide block.Present configuration consolidates, fixing reliable, when cable duct is intake, it is possible to send alarm signal to timely and effectively the personnel in controlling, in order to use the precautionary measures in time, it is to avoid cause the generation of security incident.
Description
Technical field
The present invention relates to security alarm device technical field, particularly relate to a kind of cable duct water inlet alarm device.
Background technology
Switchgear house is most basic change distribution facility, in prior art the inlet wire of substantial amounts of switchgear house be all through
Cable duct is arranged, owing to switchgear house inlet wire cable duct connects with outdoor, there is the position that closure is the most tight,
These block the most tight position and easily intake, and easily intake due to cable duct when particularly summer, rainwater was big,
Inspection personnel routine inspection cut in and out method find cable be immersed in water, the most sometimes water overflow cable duct
Could find there is the biggest potential safety hazard.By being provided with water alarm equipment alarm, patrol officer in ditch
Can with according to alarm find situation and rapidly process, defect elimination.
Cable duct of the prior art water inlet on-Line Monitor Device, such as Application No. 2010205151522
Application for a patent for invention, it is simply that use housing, float ball, lever, a kind of monitoring of alarm combinative structure to set
Standby, this structure there is problems of float position in housing and is easily varied, to the reacting condition of water level not
Sensitive, rapid, monitoring reliability is poor, and lever construction is the most stuck in pin joint position, rotation not
Flexibly, or easily occur after use after a while that hole axle coordinates abrasion, gap to become big so that
The effective travel of lever becomes big, again such that the less reliable controlled, the stroke additionally used in the present invention
The position of switch is in relatively low position in cable duct, and when cable duct is intake, travel switch can not obtain
Effectively protect, be the most easily immersed in water so that this detection equipment can not play detection and report to the police
Function, thus cause potential safety hazard.
Summary of the invention
The purpose of the present invention is exactly for solving the problems referred to above that prior art exists, it is provided that a kind of cable duct water inlet
Alarm device；Present configuration consolidates, fixing reliable, when cable duct is intake, it is possible to give timely and effectively
Personnel in control send alarm signal, in order to use the precautionary measures in time, it is to avoid cause sending out of security incident
Raw.
The present invention solves the technical scheme of technical problem:
A kind of cable duct water inlet alarm device, triggers device, control circuit including alarm, water inlet monitoring,
Described alarm is connected with control circuit, and water inlet monitoring triggers device and is connected with the supporting surface bottom cable duct,
The top triggering device into water monitoring is located at by the switch that controls of described control circuit, controls the normally opened contact of switch
The mobile contact triggering device with water inlet monitoring coordinates, and is triggered the disconnection of device control circuit by water inlet monitoring
And conducting, alarm is located in control room, and described water inlet monitoring triggers device and includes casing, described casing bag
Including bottom support plate, tank wall, described gripper shoe is connected formation cabinets cavity with tank wall, is provided with on the supporting plate
Inlet opening, is provided with kicker baffle in the middle of cabinets cavity, guide plate every cabinets cavity is divided into upper cavity,
Lower chamber, described kicker baffle and cabinets cavity use waterproof being tightly connected at link position, are guiding
The lower chamber of the lower partition is provided with float ball, is provided with the fairlead of vertical direction in the centre of kicker baffle,
Described fairlead cylindrical uses fluid-tight being tightly connected, at fairlead with kicker baffle endoporus link position
Being provided with the slide block matched in endoporus, mobile contact is connected with the upper end of slide block.
If the tank wall of the lower chamber of described guide plate bottom is provided with dry side water inlet, the upper cavity on guide plate top
For airtight cylinder, it is provided with the top cover labyrinth matched in the upper end of cylinder, controls switch and top cover labyrinth
Inner side connects, and described cylinder upper surface is provided with cylinder metallic channel, and the bottom of described top cover labyrinth is provided with convex
Platform, the cylindrical of positioning boss coordinates with the inner headed face of cylinder, and described positioning boss is provided with sealing lid metallic channel,
Seal lid metallic channel corresponding with cylinder metallic channel position, described sealing lid metallic channel, cylinder metallic channel position
Being provided with sealing member, keep the waterproof sealing of metallic channel position, the wire being connected with control switch is led from sealing lid
Wire casing and cylinder metallic channel pass.
The bottom of described mobile contact is provided with external screw thread, and upper end of slide block is provided with upper level end face, in horizontal ends
Face is provided with internal thread hole, described slide block and mobile contact by the threaded engagement between external screw thread, internal thread hole
Connect.
The lower end of described slide block is provided with horizontal ledge, and the external diameter of described boss is more than the external diameter of fairlead, described
The lower surface of boss is provided with ball recess, and described ball recess position coordinates with the top spherical outside surface of float ball,
The inner surface of described casing is inner cylinder face, and described inner cylinder face diameter coordinates with the diameter dimension of float ball.
Bar section of stainless steel formation is used to removably connect bottom described gripper shoe and tank wall；Ground is provided with pre-buried
Part ground connecting plate, is provided with supporting leg bottom tank wall, supporting leg is formed removable by bolt with ground connecting plate
Unloading structure to connect, described top cover labyrinth is provided with the hands handle conveniently picking and placeing top cover labyrinth.
The periphery of described slide block and the endoporus of fairlead use the shiny surface that roughness is little to coordinate, outside slide block
The endoporus of disc and fairlead is the matched in clearance that frictional force is little, gap is little.
Described control circuit include control switch, alarm, described control switch, alarm by circuit with
Power supply connects, and described circuit is provided with hand switch, and hand switch is located in control room, and described power supply uses
The v DC source one that alternating current power supply is powered, the circuit in control room is provided with in parallel with DC source one
Accumulator and battery switch, when alternating current power supply power failure, power-off, battery switch closes to alarm circuit
Power supply, the described switch that controls uses travel switch, and the normally opened contact of travel switch is connected in alarm circuit,
Connect in alarm circuit divider resistance R.
Described alarm, battery switch, hand switch are located on switch board, and alarm uses acousto-optic integrated
Formula alarm.
Float ball is rustless steel float ball, and the bottom of described float ball is cylindrical structure, cylindrical structure
Top and hemispherical dome structure, or cylindrical structure, or conical structure connection formation hollow structure, institute
State hollow structure top and be provided with positioning and guiding projection, the protruding inner hole with slide block of described positioning and guiding.
Ground bottom cable duct is provided with pit, and described box bottom is connected with pit bottom.
Beneficial effects of the present invention:
1. present configuration consolidates, fixing reliable, and easy accessibility, safety in utilization, accuracy, can
High, when cable duct is intake by property, it is possible to send alarm signal to timely and effectively the personnel in controlling, with
Just manipulation personnel can use the precautionary measures in time, it is to avoid causes the generation of security incident.
2., by being provided with kicker baffle in the middle of cabinets cavity, state kicker baffle with cabinets cavity at link position
Place uses waterproof being tightly connected, and is provided with the fairlead of vertical direction in the centre of kicker baffle, outside fairlead
Circle uses fluid-tight being tightly connected with kicker baffle endoporus link position, is provided with phase in the endoporus of fairlead
The slide block coordinated, the periphery of slide block and the endoporus of fairlead use the shiny surface that roughness is little to coordinate, slide block
Periphery and the endoporus of fairlead be the matched in clearance that frictional force is little, gap is little.Mobile contact and slide block
Upper end connects, it is ensured that the mobile contact coordinated with control switch can accurately and reliably move, due in casing
Good seal, do not have foreign body and enter and the entrance of water, it is to avoid foreign body enter cause control the dynamic of switch
Make the false alarm that causes, it also avoid the generation of the Problem of Failure such as the short circuit controlling switch that causes after water enters,
Ensure the normal use of alarm device.
If 3. the tank wall of the lower chamber of guide plate bottom is provided with dry side water inlet, by offering of side water inlet,
When there being water to enter cable duct, water can enter casing as early as possible and realize reporting to the police so that operator can have
Sufficiently the time takes the precautionary measures, strives for the more time for removing a hidden danger；The upper cavity on guide plate top
For airtight cylinder, it is provided with the top cover labyrinth matched in the upper end of cylinder, controls switch and top cover labyrinth
Inner side connects, and described cylinder upper surface is provided with cylinder metallic channel, and the bottom of described top cover labyrinth is provided with convex
Platform, the cylindrical of positioning boss coordinates with the inner headed face of cylinder, and described positioning boss is provided with sealing lid metallic channel,
Seal lid metallic channel corresponding with cylinder metallic channel position, seal lid metallic channel and be provided with close with cylinder metallic channel position
Sealing keeps the waterproof sealing of metallic channel position, prevents the water in cable duct from entering into upper cavity from metallic channel,
The short circuit controlling switch caused and inefficacy, it is ensured that the reliability of warning and accuracy, with control switch even
The wire connect passes from sealing lid metallic channel and cylinder metallic channel.
4. the bottom of mobile contact is provided with external screw thread, and the horizontal end face of upper end of slide block is provided with internal thread hole, slide block
It is connected by the threaded engagement between external screw thread, internal thread hole with mobile contact, is joined by dismountable screw thread
Close connect, it is possible to easily adjust mobile contact up and down relative to position, it is possible to adaptation mobile contact from different
Control the cooperation requirement of the different distance of switch so that keep therebetween between rational adjustable idle stroke
Gap, it is to avoid control the plastic deformation of the being damaged property of contact of switch and lost efficacy, scrap.
5. the lower end of slide block is provided with horizontal ledge, and the lower surface of boss is provided with ball recess, ball recess position
Coordinate with the top spherical outside surface of float ball, and the diameter chi that the inner surface of casing is inner cylinder face and float ball
The matched in clearance cooperation that very little formation is predetermined so that the shape of casing is the least, reduces quality and the system of casing
Cause this, reduce again moving left and right and rocking of float ball, make float ball be merely able at ball recess as far as possible
The most accurately moving in the vertical direction limited, the accuracy moved up and down by float ball ensures control
The reliability of switch motion, it is achieved and alarm.
6. the casing of the present invention, gripper shoe, float ball use stainless steel material to make, and gripper shoe and case
Using bar section of stainless steel to be formed bottom wall to removably connect, structure is long for service life, it is possible to keep facility long-term
Use reliability, decrease working service cost, casing by ground built-in fitting ground connecting plate,
Supporting leg and stainless steel bolt bottom tank wall form demountable structure and connect, easy installation and removal, fixing peace
Dress reliability is high, it is to avoid casing tilts and the safety caused of can not reporting to the police the most in time caused that skews is hidden
Suffer from.
7. the control circuit of the present invention includes the DC source one using alternating current power supply to power, in control room
Circuit is provided with the accumulator in parallel with DC source one and battery switch, when alternating current power supply power failure, power-off
Time battery switch close to alarm line powering, alarm uses acousto-optic integrated formula alarm, keeps this
The detection alarm device of invention can keep duty in real time, and functional reliability is high, it is to avoid can not be at any time
The potential safety hazard that warning causes.
8. float ball is rustless steel float ball, and the bottom of described float ball is cylindrical structure, cylindrical structure
The hemispherical dome structure on top, or cylindrical structure, or conical structure etc. connects and form hollow structure,
It is protruding that hollow structure top is provided with positioning and guiding, and the protruding inner hole with slide block of positioning and guiding plays axial
Location and guide effect, it is to avoid the skew of cylindrical structure rustless steel float ball, it is ensured that vertically move
Dynamic, it is achieved the action message of rustless steel float ball, it is ensured that the reliable of alarm device plays alarm function in time.
Simultaneously by arranging the combinative structure of cylindrical structure and the hemispherical dome structure on top, in cable duct during water inlet,
Ensure the biggest buoyancy so that float reliably moves up, reliable in action, passes through positioning and guiding simultaneously
Projection coordinates with slide block, and float ball is merely able to upwards vertically move, and more ensure that Reliability of Microprocessor, from
And ensure reliability and the promptness of alarm device.
9. the ground bottom cable duct is provided with pit, and described box bottom is connected with pit bottom.Ensure one
There is hydrops in denier cable duct even little hydrops, can flow in pit, enable alarm device
The most reliable warning, it is to avoid the hidden danger caused too much because of hydrops and accident.
Accompanying drawing explanation
Fig. 1 is the structural representation of invention；
Fig. 2 is casing and internal structure schematic diagram；
Fig. 3 is the box inner structure schematic diagram that bottom is cylindrical structure of float ball；
Fig. 4 is for controlling layout.
Detailed description of the invention
In order to be more fully understood that the present invention, explain in detail embodiments of the present invention below in conjunction with the accompanying drawings.
As shown in Figures 1 to 4, a kind of cable duct water inlet alarm device, including chimes of doom light crossing-signal 44,
Water inlet monitoring triggers device, and described audible-visual annunciator 44 is connected with control circuit, the control of described control circuit
The top triggering device into water monitoring is located at by switch 4, and the normally opened contact 43 controlling switch 4 touches with water inlet monitoring
The front end 15 of the mobile contact 5 of transmitting apparatus coordinates, by water inlet monitoring trigger device control circuit disconnection and
Conducting, described water inlet monitoring triggers device and is connected with the supporting surface 10 bottom cable duct, audible-visual annunciator 44
Being located in control room, described water inlet monitoring triggers device and includes that casing 1, described casing 1 include bottom support plate
11, tank wall 26, described gripper shoe 11 be connected with tank wall formation cabinets cavity, gripper shoe 11 is provided with into
Water hole 12, is provided with kicker baffle 21 in the middle of cabinets cavity, on cabinets cavity is divided into by guide plate every 21
Cavity 27, lower chamber 28, described kicker baffle 21 uses waterproof with cabinets cavity at link position 25
It is tightly connected, the lower chamber 28 of kicker baffle 21 bottom is provided with the rustless steel float ball 2 of hollow, is leading
It is provided with to the centre of dividing plate 21 in the fairlead 23 of vertical direction, described fairlead 23 cylindrical and kicker baffle
Hole link position 22 uses waterproof being tightly connected, and is provided with the slide block 3 matched in the endoporus of fairlead 23,
Mobile contact 5 is connected with the upper end of slide block 3, and the bottom of wherein said mobile contact 5 is provided with external screw thread, sliding
Block 3 upper end is provided with upper level end face, is provided with internal thread hole at horizontal end face, and described slide block 3 touches with mobile
5 are connected by the threaded engagement 14 between external screw thread, internal thread hole, are provided with level in the lower end of slide block 3
Boss 6, the external diameter of described boss 6 is more than the external diameter of fairlead, the horizontal upper end face of boss 6 and kicker baffle
The lower surface of 21 coordinates, and axial limiting effect is played in the lower surface of kicker baffle 21, it is to avoid deviate from from top.
The lower surface of described boss 6 is provided with ball recess 7, outside described ball recess 7 position is with the top of float ball 2
Mating spherical surfaces.Interior is inner cylinder face, and the diameter dimension of described inner cylinder face diameter and float ball is joined
Close, bottom described gripper shoe 11 and tank wall, use bar section of stainless steel 30 formation to removably connect.
By being provided with kicker baffle in the middle of cabinets cavity, state kicker baffle and cabinets cavity at link position
Use waterproof being tightly connected, be provided with the fairlead of vertical direction, fairlead cylindrical in the centre of kicker baffle
Use fluid-tight being tightly connected with kicker baffle endoporus link position, be provided with in the endoporus of fairlead and match
The slide block closed, the periphery of slide block and the endoporus of fairlead use the shiny surface that roughness is little to coordinate, slide block
The endoporus of periphery and fairlead is the matched in clearance that frictional force is little, gap is little.Mobile contact is upper with slide block
End connects, it is ensured that the mobile contact coordinated with control switch can accurately and reliably move, due to close in casing
Envelope is good, do not have foreign body and enter and the entrance of water, it is to avoid foreign body enters the action controlling switch caused
The false alarm caused, it also avoid the generation of the Problem of Failure such as short circuit controlling switch caused after water enters,
Ensure the normal use of alarm device.
The bottom of described rustless steel float ball 2 is cylindrical structure or spherical mechanism, described cylindrical structure
Top and hemispherical dome structure or cylindrical structure or conical structure be connected, form hollow structure, in
Hollow structure top is provided with positioning and guiding projection 33, and the protruding inner hole with slide block 3 of described positioning and guiding plays
Axial location and guide effect, it is to avoid the skew of cylindrical structure rustless steel float ball 2, it is ensured that along hanging down
Nogata is to movement, it is achieved the action message of rustless steel float ball 2, it is ensured that the reliable of alarm device plays in time
Alarm function.Simultaneously by arranging the combinative structure of cylindrical structure and the hemispherical dome structure on top, at cable
In ditch during water inlet, it is ensured that the biggest buoyancy so that float ball reliably moves up, reliable in action, with
Time by positioning and guiding protruding coordinating with slide block, float ball is merely able to upwards vertically move, and more ensure that
Reliability of Microprocessor, thus ensure reliability and the promptness of alarm device.
Ground bottom cable duct is provided with pit 32, is connected bottom described casing 1 bottom pit 32.Protect
There is hydrops in demonstrate,proving once cable duct even little hydrops, can flow in pit, make alarm device
Can the most reliably report to the police, it is to avoid the hidden danger caused too much because of hydrops and accident.
Ground is provided with built-in fitting ground and connects 9 plates, is provided with supporting leg 13 bottom tank wall, and supporting leg 13 passes through
Bolt forms demountable structure with ground connecting plate 9 and is connected.
The periphery of described slide block 3 and the endoporus of fairlead 23 use the shiny surface that roughness is little to coordinate, slide block
The periphery of 3 and the endoporus of fairlead 23 are the matched in clearance 29 that frictional force is little, gap is little.
If the tank wall of the lower chamber 28 of described guide plate 21 bottom is provided with dry side water inlet 8, on guide plate 21
The upper cavity 27 in portion is airtight cylinder, is provided with the top cover labyrinth 17 matched in the upper end of cylinder, controls out
Closing and be connected with the inner side of top cover labyrinth 17, described cylinder upper surface is provided with cylinder metallic channel 19, described upper sealing
The bottom of lid 17 is provided with positioning boss 18, and the cylindrical of positioning boss 18 coordinates with the inner headed face of cylinder, described
Positioning boss is provided with sealing lid metallic channel 24, seals lid metallic channel 24 corresponding with cylinder metallic channel 19 position,
The wire 31 being connected with control switch passes from sealing lid metallic channel 24 and cylinder metallic channel 19.Upper sealing
Lid 17 is provided with the hands conveniently picking and placeing top cover labyrinth 17 20.Described sealing lid metallic channel, cylinder wire
Groove location is provided with sealing member, keeps the waterproof sealing of metallic channel position.
Described control circuit includes controlling switch, audible-visual annunciator 44, described control switch, audible-visual annunciator
Being connected with power supply by circuit, described circuit is provided with hand switch 46, and hand switch is located in control room,
Described power supply uses the 24v DC source 1 powered of alternating current power supply, the circuit in control room is provided with
The accumulator 42 of DC source 1 parallel connection and battery switch 47, store when alternating current power supply power failure, power-off
Cell switch 47 closes to audible-visual annunciator line powering, and described control switch uses travel switch, and stroke is opened
Close normally opened contact 43 in being connected on sound and light alarm circuit, in sound and light alarm circuit connect divider resistance
R45.Float ball 2 uses rustless steel float ball.
Described audible-visual annunciator 44, battery switch 47, hand switch 46 are located on switch board 40.
Described casing uses stainless steel material to make.Water inlet monitoring triggers device and is placed in cable duct, works as electricity
After the water inlet of cable ditch, the rustless steel float ball 2 in rustless steel casing floats, and triggers device by water inlet monitoring and makes
Obtaining the normally opened contact 43 Guan Bi conducting of travel switch, closing of circuit, audible-visual annunciator 44 sends the sound of warning
Sound and light, remind manipulation personnel to use strick precaution and emergency measures in time, it is to avoid to cause security incident；When reaching
After warning message, can be operated with manual switches disconnection sound and light alarm circuit, audible-visual annunciator 2 cuts out.This
Invention effectively raises work efficiency, and flexible adaptation, in switchgear house cable duct, finds potential safety hazard in time,
Minimizing personnel and equipment economic loss.
Although the detailed description of the invention of invention is described by the above-mentioned accompanying drawing that combines, but not protects the present invention
Protecting the restriction of scope, on the basis of technical scheme, those skilled in the art need not pay wound
The property the made various amendments that can make of work or deformation are still within protection scope of the present invention.
Claims (10)
1. a cable duct water inlet alarm device, triggers device, control circuit, institute including alarm, water inlet monitoring
Stating alarm to be connected with control circuit, water inlet monitoring triggers device and is connected with the supporting surface bottom cable duct, its
Feature is, the top triggering device into water monitoring is located at by the switch that controls of described control circuit, controls switch
The mobile contact that normally opened contact triggers device with water inlet monitoring coordinates, and triggers device by water inlet monitoring and controls electricity
The disconnection on road and conducting, alarm is located in control room, and described water inlet monitoring triggers device and includes casing, institute
Stating casing and include bottom support plate, tank wall, described gripper shoe is connected formation cabinets cavity with tank wall, is supporting
Plate is provided with inlet opening, is provided with kicker baffle in the middle of cabinets cavity, and guide plate is every being divided into by cabinets cavity
Upper cavity, lower chamber, described kicker baffle uses waterproof being tightly connected with cabinets cavity at link position,
In the lower chamber of kicker baffle bottom, it is provided with the float ball of hollow, is provided with Vertical Square in the centre of kicker baffle
To fairlead, described fairlead cylindrical and being tightly connected that kicker baffle endoporus link position uses, leading
Being provided with, in the endoporus of set, the slide block matched, mobile contact is connected with the upper end of slide block.
2. cable duct water inlet alarm device as claimed in claim 1, is characterized in that, under described guide plate bottom
If the tank wall of cavity is provided with dry side water inlet, the upper cavity on guide plate top is airtight cylinder, at cylinder
Upper end is provided with the top cover labyrinth matched, and controls switch and is connected with the inner side of top cover labyrinth, described cylinder upper end
Face is provided with cylinder metallic channel, and the bottom of described top cover labyrinth is provided with positioning boss, the cylindrical of positioning boss and cylinder
The inner headed face of body coordinates, and described positioning boss is provided with sealing lid metallic channel, seals lid metallic channel and cylinder wire
Groove location is corresponding, and described sealing lid metallic channel, cylinder metallic channel position are provided with sealing member, keep metallic channel
The waterproof sealing of position, the wire being connected with control switch passes from sealing lid metallic channel and cylinder metallic channel.
3. cable duct water inlet alarm device as claimed in claim 1, is characterized in that, the bottom of described mobile contact
Being provided with external screw thread, upper end of slide block is provided with upper level end face, is provided with internal thread hole, described cunning at horizontal end face
Block is connected by the threaded engagement between external screw thread, internal thread hole with mobile contact.
4. cable duct water inlet alarm device as claimed in claim 1, is characterized in that, the lower end of described slide block is provided with
Horizontal ledge, the external diameter of described boss is more than the external diameter of fairlead, and the lower surface of described boss is provided with spherical female
Groove, described ball recess position coordinates with the top spherical outside surface of float ball, and the inner surface of described casing is inner circle
Cylinder, described inner cylinder face diameter coordinates with the diameter dimension of float ball.
5. cable duct water inlet alarm device as claimed in claim 2, is characterized in that, at the bottom of described gripper shoe and tank wall
Portion uses bar section of stainless steel to be formed and removably connects；Ground is provided with built-in fitting ground connecting plate, bottom tank wall
Being provided with supporting leg, supporting leg forms demountable structure by bolt with ground connecting plate and is connected, described upper sealing
Cover and be provided with the hands handle conveniently picking and placeing top cover labyrinth.
6. cable duct water inlet alarm device as claimed in claim 1, is characterized in that, the periphery of described slide block and
The endoporus of fairlead uses the shiny surface that roughness is little to coordinate, and the periphery of slide block and the endoporus of fairlead are for rubbing
The matched in clearance that wiping power is little, gap is little.
7. cable duct water inlet alarm device as claimed in claim 1, is characterized in that, described control circuit includes control
System switch, alarm, described control switch, alarm are connected with power supply by circuit, described circuit set
Having hand switch, hand switch to be located in control room, described power supply uses the v unidirectional current that alternating current power supply is powered
Source one, the circuit in control room is provided with the accumulator in parallel with DC source one and battery switch, when
When alternating current power supply power failure, power-off, battery switch closes to alarm line powering, and described control switch uses
Travel switch, the normally opened contact of travel switch is connected in alarm circuit, dividing potential drop of connecting in alarm circuit
Resistance R.
8. cable duct water inlet alarm device as claimed in claim 1, is characterized in that, described alarm, accumulator
Switch, hand switch are located on switch board, and alarm uses acousto-optic integrated formula alarm.
9. cable duct water inlet alarm device as claimed in claim 1, is characterized in that, float ball is rustless steel float
Ball, the bottom of described float ball is cylindrical structure, the top of cylindrical structure and hemispherical dome structure, or
Cylindrical structure, or conical structure connection formation hollow structure, described hollow structure top is provided with location
Guide protrusions, the protruding inner hole with slide block of described positioning and guiding plays axial location and guide effect.
10. cable duct water inlet alarm device as claimed in claim 9, is characterized in that, the ground bottom cable duct
Being provided with pit, described box bottom is connected with pit bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510292107.2A CN105043507B (en) | 2015-05-30 | 2015-05-30 | Cable duct water inlet alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510292107.2A CN105043507B (en) | 2015-05-30 | 2015-05-30 | Cable duct water inlet alarm device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105043507A CN105043507A (en) | 2015-11-11 |
| CN105043507B true CN105043507B (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510292107.2A Expired - Fee Related CN105043507B (en) | 2015-05-30 | 2015-05-30 | Cable duct water inlet alarm device |
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| CN (1) | CN105043507B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108398583B (en) * | 2018-01-29 | 2020-11-17 | 山东鲁源售电有限公司 | Outdoor electric power box facility monitoring devices that accidentally comes into water |
| CN112697224B (en) * | 2021-03-23 | 2021-07-23 | 常州江苏大学工程技术研究院 | Embedded liquid level detector convenient to maintain and embedding method |
| CN113551844A (en) * | 2021-06-21 | 2021-10-26 | 青岛海尔电冰箱有限公司 | Refrigeration device |
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|---|---|---|---|---|
| CN2205543Y (en) * | 1994-08-13 | 1995-08-16 | 张福缘 | Suspending ball type liquid level sensor |
| CN201795838U (en) * | 2010-09-02 | 2011-04-13 | 宁夏电力公司石嘴山供电局 | Online monitoring device for water intake of cable duct |
| CN102003283B (en) * | 2010-10-21 | 2012-10-10 | 浙江吉利汽车研究院有限公司 | Control device for preventing starting of automobile engine after inflow |
| CN202013228U (en) * | 2011-07-11 | 2011-10-19 | 山西太钢不锈钢股份有限公司 | Water seepage alarming device for cable chamber of converting station |
| CN202304943U (en) * | 2011-09-17 | 2012-07-04 | 新安县电业公司 | Cable channel water accumulation warning instrument for transformer substation |
| DE102012104478B3 (en) * | 2012-05-24 | 2013-10-24 | Nolta Gmbh | Inclination switch of float switch used for determining filling level of liquid e.g. acid in container, has radio frequency identification chip, power supplies and movement enhancement inclination switch elements which induce voltage |
| CN204831467U (en) * | 2015-05-30 | 2015-12-02 | 国网山东济南市历城区供电公司 | Cable pit alarm device of intaking |
-
2015
- 2015-05-30 CN CN201510292107.2A patent/CN105043507B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN105043507A (en) | 2015-11-11 |
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