CN210013320U - Automatic drainage system of cable pit in distribution room - Google Patents
Automatic drainage system of cable pit in distribution room Download PDFInfo
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- CN210013320U CN210013320U CN201920495860.5U CN201920495860U CN210013320U CN 210013320 U CN210013320 U CN 210013320U CN 201920495860 U CN201920495860 U CN 201920495860U CN 210013320 U CN210013320 U CN 210013320U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 96
- 238000005086 pumping Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 15
- 238000012545 processing Methods 0.000 claims description 10
- 239000010865 sewage Substances 0.000 abstract description 6
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract description 2
- 101150054854 POU1F1 gene Proteins 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
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Abstract
The utility model relates to an automatic drainage system of cable pit in distribution room, including sump pit, water level inductor, pumping unit, PLC control box and operation screen, the sump pit is seted up in the bottom of cable pit, install in the sump pit water level inductor with pumping unit, the PLC control box is located the cable pit up end, water level inductor and pumping unit all with PLC control box signal connection; the utility model discloses have automatic mode, set for the threshold value in advance, the water level height who senses through the water level inductor carries out the automation and opens big or small immersible pump, does not need personnel to control, if when the heavy rainfall arouses ponding when night, outside the cable pit can in time be discharged to sewage in the cable pit, avoids the cable to soak for a long time and causes the cable insulation breakdown damage in ponding, alleviates the life of the humidity environment increase components and parts of electricity distribution room in addition and equipment fault rate.
Description
Technical Field
The utility model belongs to the technical field of automatic control, concretely relates to automatic drainage system of cable pit in distribution room.
Background
The most of the construction height of the distribution room is a one-layer structure, and due to the limitation of the construction height, the general cable trench is lower than the zero meter layer of the building reference surface, under the condition of large rainwater or high underground water level in summer, accumulated water in a field can permeate into a cable trench in a distribution room to form accumulated water, and sewage flowing down due to rain permeation and the like is corrosive and can corrode and damage cables and electrical elements, because the cable laid in the cable trench relates to relay protection, automatic control, communication, measurement, metering and other equipment and is a nerve center of a power plant and a transformer substation, once the cable goes wrong, the difficulty of inspection and processing is high, the time is long, the relay protection or a control loop can be out of work, the accident is expanded, even the main equipment is damaged, the production can not be recovered for a long time, therefore, the management of the cable trench is enhanced, the cable in the cable trench is protected from being damaged, and the method has very important significance for the safe operation of a power plant and a transformer substation.
Accumulated water in the existing cable trench cannot be cleaned in time, so that an internal cable is damaged and breaks down, the accumulated water on the surface of the cable trench is less under the condition of less accumulated water, and the accumulated water on the surface of the cable trench cannot be cleaned in time.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an automatic drainage system of cable pit in distribution room has the automatic control extraction and prevents the characteristics of cable pit surface ponding on a large scale.
In order to achieve the above object, the utility model provides a following technical scheme: including sump pit, water level inductor, unit, PLC control box and operation screen draw water, the sump pit is seted up in the bottom of cable pit, install in the sump pit the water level inductor with the unit draws water, the PLC control box is located the cable pit up end, the water level inductor with the unit that draws water all with PLC control box signal connection, PLC control box internally mounted has central processing unit and expansion module, the sensing signal of water level inductor passes through expansion module carries out information collection and handles, the unit that draws water passes through PLC control box control is opened, install PLC control box one side the operation screen, the operation screen with PLC control box signal connection.
Preferably, a water level display is arranged in the middle of the operation screen, the water level sensor transmits the received water level signal to the PLC control box, and the PLC control box displays the water level signal through the water level display.
Preferably, the pumping unit comprises a large submersible pump and a small submersible pump, and the large submersible pump and the small submersible pump are both electrically connected with an external power supply and are in signal connection with the PLC control box.
Preferably, a threshold value setter is arranged on the right side of the operation screen, and the threshold value setter has four control numerical values which are respectively the opening numerical value and the closing numerical value of the large submersible pump and the small submersible pump.
Preferably, the surface of the operation screen is provided with a manual switch and a mode conversion knob, the manual switch and the mode conversion knob are located on the left side of the water level display, the mode conversion knob is in signal connection with the manual switch, the mode conversion knob is provided with two gears, and the modes generated by the two gears are an automatic mode and a manual mode.
Preferably, the surface of the operation screen is provided with two indicator lights, and the two indicator lights are in signal connection with the water pumping unit.
Preferably, an emergency stop button is arranged on the surface of the operation screen, and the emergency stop button is positioned below the threshold value setter.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses have automatic mode, set for the threshold value in advance, the water level height who senses through the water level inductor carries out the automation and opens big or small immersible pump, does not need personnel to control, if when the heavy rainfall arouses ponding when night, outside the cable pit can in time be discharged to sewage in the cable pit, avoids the cable to soak for a long time and causes the cable insulation breakdown damage in ponding, alleviates the life reduction equipment fault rate of the humidity environment increase components and parts of electricity distribution room in addition.
2. The utility model discloses be equipped with the sump pit, can make the sewage on cable pit surface collect unified clearance, can the sewage on effectual reduction cable pit surface to concentrate together the back, can effectual improvement sump pit's the surface of water height, thereby when making the extraction, the immersible pump can effectually contact with sewage, prevents to take place the idle running condition of immersible pump.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of an operation panel of the present invention;
FIG. 3 is a schematic view of the operation of the present invention;
fig. 4 is a schematic diagram of the control circuit of the present invention.
In the figure: 1. a water collecting well; 2. a water level sensor; 3. a water pumping unit; 31. a large submersible pump; 32. a small submersible pump; 4. a PLC control box; 41. a central processing unit; 42. an expansion module; 5. an operation screen; 51. a mode conversion knob; 52. an emergency stop button; 53. a water level display; 54. a threshold setter; 55. and (4) a manual switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides an automatic drainage system of cable pit in distribution room, including sump pit 1, water level inductor 2, unit 3 draws water, PLC control box 4 and operation screen 5, sump pit 1 sets up the bottom at the cable pit, install water level inductor 2 and unit 3 draws water in sump pit 1, PLC control box 4 is located the cable pit up end, water level inductor 2 and unit 3 that draws water all with PLC control box 4 signal connection, 4 internally mounted of PLC control box have central processing unit 41 and extension module 42, water level inductor 2's sensing signal carries out information collection through extension module 42 and handles, unit 3 draws water opens through PLC control box 4 control, operation screen 5 is installed to PLC control box 4 one side, operation screen 5 and PLC control box 4 signal connection.
In this embodiment: the water level sensor 2 transmits water level signals to the PLC control box 4, the water level signals are collected and processed through the expansion module 42, and data operation is carried out through the central processing unit 41, so that opening and closing of the large submersible pump 31 or the small submersible pump 32 are controlled, the water level sensor 2 is in the EDF-96D model, the central processing unit 41 is in the Siemens S7-200222 CPU basic model, the expansion module 42 is in the EM231 analog quantity acquisition module, and the large submersible pump 31 and the small submersible pump 32 are in the 370888 model.
In this embodiment: the water collecting well 1 is arranged at the bottom of a cable trench, accumulated water at the bottom can be collected at the bottom of the cable trench, the water collecting well 1 is internally provided with the water level sensor 2 and the water pumping unit 3, the water level sensor 2 is mainly used for detecting the internal liquid water level, the water pumping unit 3 is mainly used for pumping water, the PLC control box 4 is positioned at the upper end surface of the cable trench, the water level sensor 2 and the water pumping unit 3 are both in signal connection with the PLC control box 4 and are controlled by the PLC control box 4 above during daily inspection of personnel, a central processor 41 and an expansion module 42 are arranged inside the PLC control box 4, the central processor 41 and the expansion module 42 are mainly used for collecting and operating water level conditions, and sensing signals of the water level sensor 2 are subjected to information collection processing through the expansion module 42, because the later stage need set for the threshold value, consequently compare through the information that extension module 42 collected with setting for the threshold value, unit 3 that draws water opens through the control of PLC control box 4, and operation screen 5 is installed to PLC control box 4 one side, and operation screen 5 and 4 signal connection of PLC control box, operation screen 5 are the place of the main operation of operating personnel.
Specifically, a water level display 53 is arranged in the middle of the operation screen 5, the water level sensor 2 transmits the received water level signal to the PLC control box 4, and the PLC control box 4 displays the water level signal through the water level display 53; in the manual operation, the large submersible pump 31 or the small submersible pump 32 can be selectively turned on according to the height of the water level display 53 under the current situation.
Specifically, the pumping unit 3 comprises a large submersible pump 31 and a small submersible pump 32, and both the large submersible pump 31 and the small submersible pump 32 are electrically connected with an external power supply and are in signal connection with the PLC control box 4; because different regular submersible pumps are selected for different water level heights, the water can be drained quickly on the premise of saving electric energy.
Specifically, a threshold value setter 54 is arranged on the right side of the operation screen 5, and the threshold value setter 54 has four control values which are respectively the opening value and the closing value of the large submersible pump 31 and the small submersible pump 32; after the threshold value is set, when the water level reaches the designated threshold value, the corresponding submersible pump in the current threshold value range is directly started through the PLC control box 4.
Specifically, the surface of the operation panel 5 is provided with a manual switch 55 and a mode conversion knob 51, the manual switch 55 and the mode conversion knob 51 are positioned on the left side of the water level display 53, the mode conversion knob 51 is in signal connection with the manual switch 55, the mode conversion knob 51 has two gears, and the modes generated by the two gears are an automatic mode and a manual mode; the application range of the product is increased, and manual operation can be directly selected for draining under some special conditions.
Specifically, two indicator lights are arranged on the surface of the operation screen 5 and are in signal connection with the water pumping unit 3; during manual operation, the working condition of the corresponding submersible pump is observed through the indicator light and the water level display 53.
Specifically, the surface of the operation screen 5 is provided with an emergency stop button 52, and the emergency stop button 52 is positioned below the threshold value setter 54; in special cases, the scram button 52 may be used to turn the device off.
The utility model discloses a theory of operation and use flow: when water seeps from the ground surface, corrosive water enters a cable trench at the bottom of a power distribution station, the water flows into the water collecting well 1 from the bottom surface of the cable trench at the moment, the threshold values of the large submersible pump 31 and the small submersible pump 32 are set, the mode conversion knob 51 is rotated to be automatic, at the moment, the water level rises due to more water collection, when the threshold value of the small submersible pump 32 is reached, the collected information is transmitted to the central processing unit 41 through the expansion module 42, then the small submersible pump 32 is started through the PLC control box 4, when the discharge speed is lower than the inflow speed, the water level rises, the starting threshold value of the large submersible pump 31 is reached, at the moment, the large submersible pump 31 is started, so that the water level is rapidly lowered, when the manual operation is performed, the mode conversion knob 51 is rotated to be in a manual state, and the manual switch.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an automatic drainage system of cable pit in distribution room, includes sump pit (1), water level inductor (2), unit (3) that draws water, PLC control box (4) and operation screen (5), its characterized in that: the bottom at the cable pit is seted up in sump pit (1), install in sump pit (1) water level inductor (2) with unit (3) draw water, PLC control box (4) are located the cable pit up end, water level inductor (2) with unit (3) draw water all with PLC control box (4) signal connection, PLC control box (4) internally mounted has central processing unit (41) and expansion module (42), the sensing signal of water level inductor (2) passes through information collection processing is carried out in expansion module (42), unit (3) draw water passes through PLC control box (4) control is opened, install PLC control box (4) one side operation screen (5), operation screen (5) with PLC control box (4) signal connection.
2. The automatic drainage system of the cable trench in the distribution room of claim 1, wherein: the middle of the operation screen (5) is provided with a water level display (53), the water level sensor (2) transmits a received water level signal to the PLC control box (4), and the PLC control box (4) displays the water level signal through the water level display (53).
3. The automatic drainage system of the cable trench in the distribution room of claim 2, wherein: the water pumping unit (3) comprises a large submersible pump (31) and a small submersible pump (32), and the large submersible pump (31) and the small submersible pump (32) are both electrically connected with an external power supply and are in signal connection with the PLC control box (4).
4. The automatic drainage system of the cable trench in the power distribution room of claim 3, wherein: the right side of the operation screen (5) is provided with a threshold value setter (54), and the threshold value setter (54) is provided with four control numerical values which are respectively the opening numerical value and the closing numerical value of the large submersible pump (31) and the small submersible pump (32).
5. The automatic drainage system of the cable trench in the distribution room of claim 4, wherein: the surface of the operation screen (5) is provided with a manual switch (55) and a mode conversion knob (51), the manual switch (55) and the mode conversion knob (51) are located on the left side of the water level display (53), the mode conversion knob (51) is in signal connection with the manual switch (55), the mode conversion knob (51) is provided with two gears, and the modes generated by the two gears are an automatic mode and a manual mode.
6. The automatic drainage system of the cable trench in the distribution room of claim 1, wherein: two indicating lamps are arranged on the surface of the operation screen (5), and the two indicating lamps are in signal connection with the water pumping unit (3).
7. The automatic drainage system of the cable trench in the distribution room of claim 4, wherein: an emergency stop button (52) is arranged on the surface of the operation screen (5), and the emergency stop button (52) is positioned below the threshold value setter (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920495860.5U CN210013320U (en) | 2019-04-12 | 2019-04-12 | Automatic drainage system of cable pit in distribution room |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920495860.5U CN210013320U (en) | 2019-04-12 | 2019-04-12 | Automatic drainage system of cable pit in distribution room |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210013320U true CN210013320U (en) | 2020-02-04 |
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ID=69314906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920495860.5U Active CN210013320U (en) | 2019-04-12 | 2019-04-12 | Automatic drainage system of cable pit in distribution room |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210013320U (en) |
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2019
- 2019-04-12 CN CN201920495860.5U patent/CN210013320U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 198, Tongxing Road, Kenli District, Dongying City, Shandong Province 257000 Patentee after: Shenghua New Material Group Co.,Ltd. Address before: No. 198, Tongxing Road, Kenli District, Dongying City, Shandong Province 257000 Patentee before: SHANDONG SHIDA SHENGHUA CHEMICAL GROUP Co.,Ltd. |
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| CP03 | Change of name, title or address |
Address after: No. 198, Tongxing Road, Kenli District, Dongying City, Shandong Province 257000 Patentee after: Shi Dashenghua New Materials Group Co.,Ltd. Country or region after: China Address before: No. 198, Tongxing Road, Kenli District, Dongying City, Shandong Province 257000 Patentee before: Shenghua New Material Group Co.,Ltd. Country or region before: China |