CN206693377U - Automatic draining device for cable trench - Google Patents
Automatic draining device for cable trench Download PDFInfo
- Publication number
- CN206693377U CN206693377U CN201720251352.3U CN201720251352U CN206693377U CN 206693377 U CN206693377 U CN 206693377U CN 201720251352 U CN201720251352 U CN 201720251352U CN 206693377 U CN206693377 U CN 206693377U
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- CN
- China
- Prior art keywords
- pump
- contactor
- cable
- draining device
- water pump
- 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.)
- Expired - Fee Related
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Abstract
A kind of automatic draining device for cable trench, using direct current 24V rectification modules, 220V AC powers are rectified into 24V direct currents, for the control power supply of device and the electrical source of power of pump working.The just electrically coupled in series manual/auto operating handle contacts of 24V, then a width contact of fluid level controller float of connecting, the other end of float are accessed the positive electricity working power+A1 of 24V contactors, and the A2 of contactor connects 24V negative electricity.Start automatic mode, when water level rises, float floats, the conducting of float contact, contactor+A1 positively chargeds, so as to which contactor acts, the normal opened contact closure of itself, in advance by two width normal opened contacts of pump working power sources in series contactor, junction closure is the working power for turning on water pump, water pump is started working, and starts to draw water.The present apparatus is used to carry out automatic pump drainage to the ponding in urban distribution network cable duct, when there is ponding in cable duct, can automatically trigger, ditch internal water accumulation is efficiently discharged in time, the safe and stable operation for cable duct inner cable and auxiliary provides powerful guarantee.
Description
Technical field
The utility model relates to the subsurface drainage field of transformer station, relates in particular to a kind of cable duct Auto-drainage dress
Put.
Background technology
The buried cable of urban distribution network is largely all laid in cable duct, in order to ensure the safe operation of cable, O＆M people
Member needs the regular cable in cable duct to carry out walkaround inspection.When cable duct internal water accumulation is more, it is necessary to immediately in electricity
The pump drainage work that immersible pump carries out ponding is placed in cable ditch, to ensure the safe operation of cable.And the administrative cable passage of distribution is many
More, O＆M maintainer is limited, and cable duct internal water accumulation can not often be found in time, causes cable to be soaked for a long time in water.Place
When managing ponding, immersible pump working power needs generator to provide, and often place places immersible pump and is required to carry generator simultaneously to work
Make place, workload is big, and operating efficiency is low, and wastes time and energy.
The content of the invention
For above-mentioned prior art, the technical problems to be solved in the utility model is to provide a kind of cable duct Auto-drainage
Device, difficult, manpower and materials cost height, work are taken to solve the pump working power supply occurred in the work of cable trench water collecting pump drainage
The problems such as efficiency is low.
In order to solve the above technical problems, the utility model provides a kind of automatic draining device for cable trench, including：It is series at
It is used for the rectification module I, liquid level control switch, manual/auto switching handle, contactor and series connection for controlling power supply in control bus
It is used for the rectification module II and water pump of pump working power supply in closing bus bar, the water pump that is installed in series in manual control circuit is opened
Close, carrying out wiring to power supply and control loop using terminal box integrates；Coordinate on water pump and drainpipe is installed, when liquid in cable duct
Position rises, and liquid level control switch float connects contactor, so as to turn on pump working power supply, water pump starts work because buoyancy floats
Make, the water in cable duct is discharged.
Preferably, the rectification module I and rectification module II are direct current 24V voltage commutation modules, and ring main unit is drawn
The rectified module of alternating current 220V voltage is converted to direct current 24V voltages and is used for the control power supply of whole device and the power of pump working
Power supply.The invention uses ring main unit voltage transformer to provide power supply for water pump, and gasoline engine generator is used without carrying,
So as to solve the problems, such as that the cable duct pump working power supply in work that draws water takes difficulty.
Preferably, the contactor selects 24V D.C. contactors.
Preferably, the just electrically coupled in series manual/auto operating handle contacts of the 24V of the rectification module I, then Liquid level of connecting
A width contact of float is switched, the other end of float is accessed to positive electricity the working power+the A1 ,-A2 of contactor of 24V contactors
Rectification module I 24V negative electricity is connect, by two width normal opened contacts of pump working power sources in series contactor.
Preferably, the water pump is direct current 24V, rated power 130W, metered flow 3m from rated voltage3/ small
When, rated head be 8m submersible type water pump be used for water-pumping/draining.
Preferably, the water pump and liquid level control switch are fixedly installed in cable duct bottom by fixed support.By immersible pump
And liquid level control switch carries out installation fixation by the stainless steel stent independently welded, in that context it may be convenient to which liquid level control switch is entered
The regulation of row liquid level.
Preferably, the liquid level control switch uses connecting rod floating ball type liquid level controlling switch.
Preferably, in addition to water pump the bulb connected.When pump working, the bulb is bright, acts not only as the work(of indicator lamp
Can, and maintainer can be facilitated to observe pump working situation as illuminating lamp.
Preferably, the drainpipe other end stretches out buried cable ditch and is passed through in the greenbelt of periphery.
In summary, automatic draining device for cable trench of the present utility model, for the ponding in urban distribution network cable duct
Automatic pump drainage is carried out, device can realize that water triggers float action automatically, and so as to conducting contact device working power, contactor moves
Make, connect pump power, when there is ponding in cable duct, ditch internal water accumulation is efficiently discharged in time, be cable duct inner cable
And the safe and stable operation of auxiliary provides powerful guarantee.During field application, tour personnel has carried out multiple tour to cable shaft,
On inspection, without ponding situation in cable shaft, device performance factor reaches 100%, and automatic draining device for cable trench operation is good
It is good.Automatic draining device for cable trench of the present utility model possesses advantages below：
(1) economy：Pump drainage is carried out to ditch internal water accumulation automatically by equipment, solves traditional cable ditch ponding pump drainage method
The problem of human and material resources, big financial resources loss, greatly reduce in line service, manpower, thing during in face of problems
Power, financial resources input.
(2) security：Ditch internal water accumulation is excluded in time, substantially reduces ditch inner cable and when auxiliary soaks in water
Between, the potential safety hazard such as flood so as to reduce cable water inlet breakdown, gold utensil corrosion fracture, produce toxic gas, underground switching station.
(3) high efficiency：In automatic mode, the real-time pump drainage to cable duct internal water accumulation can be achieved in the device, makees without waiting
Industry personnel, which make an inspection tour, finds that ponding can drain the water away potential safety hazard, has timely efficient characteristic.
Brief description of the drawings
Fig. 1 is the electrical wiring schematic diagram of automatic draining device for cable trench of the present utility model；
Fig. 2 is automatic draining device for cable trench structural representation of the present utility model.
In figure：1- rectification modules I, 2- liquid level control switch, the manual/auto switching handles of 3-, 4- contactors, 5- rectification moulds
Block II, 6- water pump, 7- pump switch, 8- drainpipes, 9- fixed supports, 10- cable ducts
Embodiment
Specific embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings：
As shown in Figures 1 and 2, automatic draining device for cable trench of the present utility model, including：It is series in control bus and uses
In the rectification module I 1 of control power supply, liquid level control switch 2, manual/auto switching handle 3, contactor 4 and it is series at combined floodgate
It is used for the rectification module II 5 and water pump 6 of pump working power supply in bus, be installed in series pump switch in manual control circuit
7, wiring is carried out to power supply and control loop using terminal box and integrated；Coordinate on water pump 6 and drainpipe 8 is installed, when cable duct 10
Interior liquid level rises, and the float of liquid level control switch 2 connects contactor 4, so as to turn on pump working power supply, water pump 6 because buoyancy floats
Start working, the water in cable duct 10 is discharged.The rectification module I 1 and rectification module II 5 are direct current 24V voltage commutations
Module, the rectified module of alternating current 220V voltage that ring main unit is drawn are converted to direct current 24V voltages as control power supply and water pump
Working power.The contactor 4 selects 24V D.C. contactors.The just electrically coupled in series manual/auto behaviour of the 24V of the rectification module I 1
Make the contact of handle 3, then a width contact of the float of liquid level control switch 2 of connecting, the other end of float is accessed into 24V contactors 4
Positive electricity working power+A1 ,-the A2 of contactor 4 connects rectification module I 1 24V negative electricity, by pump working power sources in series contactor
Two width normal opened contacts.The water pump 6 is direct current 24V, rated power 130W, metered flow 3m from rated voltage3/ small
When, rated head be 8m submersible type water pump be used for water-pumping/draining.The water pump 6 and liquid level control switch 2 are fixed by fixed support 9
It is installed on the bottom of cable duct 10.The liquid level control switch 2 uses connecting rod floating ball type liquid level controlling switch.Also include and water pump 6
The bulb of series connection.The other end of drainpipe 8 stretches out buried cable ditch 10 and is passed through in the greenbelt of periphery.
Specifically, it have chosen the ZQB6X8-12 type submersible types without the achievable automatic pump drainage that artificially to pump case pour water
Water pump, its operating voltage are direct current 24V, rated power 130W, metered flow 3m3/ hour, rated head 8m, motor
Rotating speed is 4800rpm, and outlet bore is 25mm.It is 176VAC-264VAC from input voltage, output voltage is the whole of 24VDC
Fluid element, its output current is 10A, rated power 240W, to avoid off-capacity, is used using two wired in parallel.Root
According to cable trench depth and application demand, it is 60cm liquid level control switch to select length, and its maximum switching current is 0.5A, maximum
Switching voltage is 100VDC, peak power 10W.Two kinds of operator schemes of automatic mode and manual mode are devised, in ditch
Inside have and trigger pump working power supply during ponding automatically, carrying out wiring to power supply and control loop using professional terminal box integrates.
Its control system operation principle is：The just electrically coupled in series contacts of manual/auto operating handle 3 of 24V, then Liquid level of connecting
A width contact of 2 floats is switched, the other end of float is accessed to the positive electricity working power+A1 of 24V contactors 4, contactor 4
- A2 connect 24V negative electricity.So when water level rises, float floats, float contact conducting, on manual/auto operating handle 3
When getting to automated location, contactor 4+A1 positively chargeds, so as to which contactor 4 acts, the normal opened contact closure of itself, in advance by water pump
Two width normal opened contacts of working power series contactor 4, junction closure are the working power for turning on water pump, and water pump 6 is started working,
Start to draw water.On the contrary, when water level reduces, float contact returns, just electrically disconnected, so as to which contactor 4 is back to original state, beats
The normal opened contact of contactor 4 is opened, water pump 6 is stopped.
Above-mentioned combination accompanying drawing is explained in detail to embodiment of the present utility model, but the present invention be not limited to it is above-mentioned
Embodiment, in one skilled in the relevant art's possessed knowledge, many variations can also be made to it.
Claims (9)
- A kind of 1. automatic draining device for cable trench, it is characterised in that including：It is series in control bus and is used to control the whole of power supply Flow module I (1), liquid level control switch (2), manual/auto switching handle (3), contactor (4) and being series in closing bus bar are used In the rectification module II (5) and water pump (6) of pump working power supply, be installed in series pump switch (7) in manual control circuit, makes Wiring is carried out with terminal box to power supply and control loop to integrate；Coordinate on water pump (6) and drainpipe (8) is installed, work as cable duct (10) interior liquid level rises, and liquid level control switch (2) float connects contactor (4) because buoyancy floats, so as to turn on pump working electricity Source, water pump (6) are started working, and the water in cable duct (10) is discharged.
- 2. automatic draining device for cable trench according to claim 1, it is characterised in that the rectification module I (1) and rectification Module ii (5) is direct current 24V voltage commutation modules, and the rectified module of alternating current 220V voltage that ring main unit is drawn is converted into direct current 24V voltages are as control power supply and pump working power supply.
- 3. automatic draining device for cable trench according to claim 2, it is characterised in that the contactor (4) is straight from 24V Flow contactor.
- 4. automatic draining device for cable trench according to claim 3, it is characterised in that the 24V of the rectification module I (1) Just electrically coupled in series manual/auto operating handle (3) contact, then a width contact of liquid level control switch of connecting (2) float, by float The 24V that the positive electricity working power+A1 of other end access 24V contactors (4) ,-A2 of contactor (4) meet rectification module I (1) is born Electricity, by two width normal opened contacts of pump working power sources in series contactor.
- 5. automatic draining device for cable trench according to claim 2, it is characterised in that the water pump (6) selects specified electricity Press as direct current 24V, rated power 130W, metered flow 3m3/ hour, the submersible type water pump that rated head is 8m are used to take out Draining.
- 6. automatic draining device for cable trench according to claim 5, it is characterised in that the water pump (6) and Liquid level Switch (2) is fixedly installed in cable duct (10) bottom by fixed support (9).
- 7. automatic draining device for cable trench according to claim 1, it is characterised in that the liquid level control switch (2) is adopted With connecting rod floating ball type liquid level controlling switch.
- 8. automatic draining device for cable trench according to claim 1, it is characterised in that also include what is connected with water pump (6) Bulb.
- 9. automatic draining device for cable trench according to claim 1, it is characterised in that drainpipe (8) other end is stretched Go out buried cable ditch (10) and be passed through in the greenbelt of periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720251352.3U CN206693377U (en) | 2017-03-15 | 2017-03-15 | Automatic draining device for cable trench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720251352.3U CN206693377U (en) | 2017-03-15 | 2017-03-15 | Automatic draining device for cable trench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206693377U true CN206693377U (en) | 2017-12-01 |
Family
ID=60443389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720251352.3U Expired - Fee Related CN206693377U (en) | 2017-03-15 | 2017-03-15 | Automatic draining device for cable trench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206693377U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412027A (en) * | 2018-03-08 | 2018-08-17 | 阜阳师范学院 | A kind of cable shaft intelligent drainage system based on Internet of Things |
-
2017
- 2017-03-15 CN CN201720251352.3U patent/CN206693377U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108412027A (en) * | 2018-03-08 | 2018-08-17 | 阜阳师范学院 | A kind of cable shaft intelligent drainage system based on Internet of Things |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171201 Termination date: 20180315 |