CN107299895A - A kind of cable duct of substation water pump automatic start warning system - Google Patents
A kind of cable duct of substation water pump automatic start warning system Download PDFInfo
- Publication number
- CN107299895A CN107299895A CN201710504261.0A CN201710504261A CN107299895A CN 107299895 A CN107299895 A CN 107299895A CN 201710504261 A CN201710504261 A CN 201710504261A CN 107299895 A CN107299895 A CN 107299895A
- Authority
- CN
- China
- Prior art keywords
- circuit
- water pump
- water
- pin
- water level
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/10—Other safety measures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2207/00—External parameters
- F04B2207/70—Warnings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B2207/00—External parameters
- F04B2207/70—Warnings
- F04B2207/703—Stopping
Abstract
The present invention relates to electrical equipment technical field, there is provided a kind of cable duct of substation water pump automatic start warning system, including Level monitor, water pump start-up and shut-down control device and warning device；Level monitor includes infrared distance measurement water-level gauge and signal controller；Alarm signal processing unit includes single-chip microcomputer, power circuit, communicating circuit and some interfaces, the water level parameters that single-chip microcomputer is sent according to signal controller, control generation water pump start-up and shut-down control instruction, and sends warning message to terminal device by communicating circuit；Water pump start-up and shut-down control device includes forceful electric power and switched and electromagnetic relay, the input control end of electromagnetic relay receives the instruction of water pump start-up and shut-down control, the output control terminal of electromagnetic relay is connected with water pump, control the start and stop of water pump, realize automatic to cable duct flooded condition progress monitoring and timely draining in real time, energy automatic closing water pump, while patrol officer can also be notified in time, and is solved because potential safety hazard caused by cable duct water inlet again.
Description
Technical field
The invention belongs to electrical equipment technical field, more particularly to a kind of cable duct of substation water pump automatic start alarm system
System.
Background technology
Transformer station is distributed in city, each corner of rural, and residing terrain environment is complicated and changeable, and cable duct is usually located at ground
Under, cable duct of substation is installed for convenience of ground installations and is usually located at underground Shuo meter Shen positions, therefore, in the extreme day such as storm
During gas, cable duct water inlet happens occasionally.There is the potential safety hazards such as corrosion equipment, short circuit tripping operation in cable duct water inlet.In cable duct
Water pump is installed, transformer station's operation maintenance personnel makes an inspection tour cable duct flooded condition, and draining water pump is manually booted if water inlet is found, as water row
After net, switched off the pump by operation maintenance personnel.Part water pump is provided with starter, but predominantly ball float surveys water level, by mud,
Current etc. influence, and start and closing process is extremely unreliable, therefore the multi-purpose water pump for being unable to automatic start now.
At present, transformer station more use unattended O＆M pattern, cable duct of substation tour vacuum phase be generally 2 days and more than,
Currently existing scheme can not realize real-time monitoring to cable duct flooded condition and take measures in time.Cable duct and its accessory device
Soak for a long time, there is the potential safety hazards such as corrosion equipment, short circuit tripping operation.Starting mode of pump need power transformation operation maintenance personnel go to scene by
Dynamic switch starts, and draining needs operation maintenance personnel to go to closing power supply again, causes extensive work time and transportation cost after terminating
Waste, dallied for a long time while water pump is present, iron core overheat, coil burnout equivalent risk.
The content of the invention
Monitoring in real time and in time row can be carried out to cable duct flooded condition automatically it is an object of the invention to provide one kind
Water, and the cable duct of substation water pump automatic start warning system for being capable of automatic closing water pump after water discharge can be worked as.
The present invention is achieved in that a kind of cable duct of substation water pump automatic start warning system, and the system includes
Level monitor, water pump start-up and shut-down control device and warning device；
The Level monitor includes infrared distance measurement water-level gauge and signal controller, the infrared distance measurement water-level gauge and institute
The connection of signal controller signal is stated, the water level parameters that the signal controller is measured the infrared distance measurement water-level gauge carry out signal
Conversion；
The alarm signal processing unit includes single-chip microcomputer, power circuit, communicating circuit and some interfaces, wherein, it is described
Power circuit, communicating circuit and some interfaces are connected with the single-chip microcomputer respectively, and the single-chip microcomputer connects with the signal controller
Connect, the water level parameters that the single-chip microcomputer is sent according to the signal controller, control generation water pump start-up and shut-down control instruction, and pass through
The communicating circuit sends warning message to the terminal device of patrol officer；
The water pump start-up and shut-down control device includes forceful electric power and switched and electromagnetic relay, wherein, the forceful electric power switch is serially connected in
In 220V power supply circuits, the water pump start-up and shut-down control that the input control end reception single-chip microcomputer of the electromagnetic relay is sent refers to
Order, the output control terminal of the electromagnetic relay is connected with water pump, controls the start and stop of the water pump.
As an improvement scheme, the Level monitor also include water-head scale, water-head guide rail and installation
Base, the water-head scale and the water-head guide rail are arranged in the mounting seat.
As an improvement scheme, the mounting seat includes metal fixing plate and being fixed on the metal fixing plate
The upper fastening bolt at cable duct bottom cement base bottom.
As an improvement scheme, the interface include USB interface, signal input interface and signal output interface；
The USB interface, is connected with external PC, for performing installation procedure and alarm content write operation；
The signal input interface, is connected with signal controller, for obtaining the water level that the signal controller is delivered to
Parameter；
The signal output interface, is connected with the input control end of the electromagnetic relay, for the electromagnetism relay
Device sends the instruction of water pump start-up and shut-down control.
As an improvement scheme, the single-chip microcomputer includes：
Water level parameters receiving module, for receiving the water level parameters that the signal input port is got；
Memory module, the water level parameters threshold value pre-set for storing and alarm content of short message；
Water level parameters comparing module, is connected with the water level parameters receiving module and memory module, for the water respectively
Water level parameters threshold value of the water level parameters that position parameter receiving module is received with being called from the memory module is compared, point
Whether the water level for analysing current cable duct reaches the state for opening water pump and alarm；
Water pump start-up and shut-down control directive generation module, is connected with the water level parameters comparing module, for expiring when water level parameters
During the qualifications of the foot water level parameters threshold value, the start-up and shut-down control instruction of generation water pump；
Short message generation module, is connected with the water level parameters comparing module, for meeting the water level when water level parameters
During the qualifications of parameter threshold, the alarm content of short message prestored is called from the memory module, by described logical
News circuit is sent on the terminal device of patrol officer.
As an improvement scheme, the power circuit includes power interface P1, and the power interface P1 is provided with pin 1
With pin 2, the pin 1 and pin 2 are connected with transformer T contact 1 and contact 2 respectively, the He of contact 3 of the transformer T
Pin L and pin N, the chip U1 that contact 4 is connected to chip U1 pin V0 are connected to 3.3V voltage output ends, described
The first current node, the connection that first current node is drawn are provided between 3.3V voltage output ends and the pin V0
Electric capacity C1, the electric capacity C1 other end are connected to the described of chip U1 pin 0V, the electric capacity C1 and the chip U1 and drawn
The second current node is provided between pin 0V, is provided between first current node and second current node with electric capacity C1 simultaneously
Serial capacitance C2 on the circuit of connection, the circuit, the second current node ground connection；
Wherein, fuse F, the fuse F and transformation are provided between the pin 1 of the power interface P1 and transformer T
The 3rd current node, the 4th current node and the 5th current node, the power interface P1 are sequentially provided between device T pin 1
The 6th current node, the 7th current node and the 8th current node are sequentially provided between the pin 2 of transformer；
Series resistor R1 between 3rd current node and the 6th current node, the 4th current node and institute
State serial capacitance C3 between the 7th current node, series resistor between the 5th current node and the 8th current node
R2。
As an improvement scheme, the model AC220S3.3DC of the chip U1.
As an improvement scheme, the communicating circuit includes radio frequency chip and draws respectively with the corresponding of radio frequency chip
Crystal oscillating circuit, the first modulation circuit, the second modulation circuit and the radio-frequency switch circuit of pin connection, radio-frequency switch circuit connection day
Line.
As an improvement scheme, the crystal oscillating circuit includes crystal oscillator, and two tie points of crystal oscillator are respectively connecting to radio frequency
On the corresponding pin of chip, the first circuit node and are respectively equipped with the circuit between crystal oscillator and the corresponding pin of radio frequency chip
It is grounded after two circuit nodes, the electric capacity of connection first drawn from the first circuit node, the line drawn from second circuit node
Road connects and is grounded after the second electric capacity；
First modulation circuit includes the first inductance and the second inductance of concatenation, the other end connection radio frequency chip of the first inductance
Corresponding pin, the other end connection radio-frequency switch circuit of the second inductance set on the circuit between the first inductance and the second inductance
There is tertiary circuit node, the circuit between the second inductance and radio-frequency switch circuit is provided with the 4th circuit node, tertiary circuit node
Connect after the 3rd electric capacity and be grounded on the circuit of extraction, be grounded on the circuit that the 4th circuit node is drawn after the 4th electric capacity of connection；
Second modulation circuit includes the 5th electric capacity being serially connected between the corresponding pin of radio frequency chip and radio-frequency switch circuit,
Circuit between 5th electric capacity and the corresponding pin of radio frequency chip is provided with the 5th circuit node, the line that the 5th circuit node is drawn
Connect after the 3rd inductance and be grounded on road.
As an improvement scheme, the water pump start-up and shut-down control device and the warning device are respectively mounted pump power case
It is interior.
In embodiments of the present invention, cable duct of substation water pump automatic start warning system includes Level monitor, water
Pump start-up and shut-down control device and warning device；Level monitor includes infrared distance measurement water-level gauge and signal controller, infrared distance measurement
Water-level gauge is connected with signal controller signal, and the water level parameters that signal controller is measured infrared distance measurement water-level gauge carry out signal and turned
Change；Alarm signal processing unit includes single-chip microcomputer, power circuit, communicating circuit and some interfaces, and single-chip microcomputer is according to signal control
The water level parameters that device is sent, control generation water pump start-up and shut-down control instruction, and by terminal device from communicating circuit to patrol officer
Send warning message；Water pump start-up and shut-down control device includes forceful electric power and switched and electromagnetic relay, and forceful electric power switch is serially connected in 220V and powered
In circuit, the input control end of electromagnetic relay receives the water pump start-up and shut-down control instruction that the single-chip microcomputer is sent, electromagnetic relay
Output control terminal be connected with water pump, control the start and stop of water pump, realize it is automatic cable duct flooded condition is carried out monitoring in real time and
Timely draining, but can work as after water is discharged can automatic closing water pump, while the water level that can also be directed to cable duct notify inspection in time
Personnel, and solve because potential safety hazard caused by cable duct water inlet.
Brief description of the drawings
Fig. 1 is the structural representation for the cable duct of substation water pump automatic start warning system that the present invention is provided；
Fig. 2 is the structured flowchart for the single-chip microcomputer that the present invention is provided；
Fig. 3 is the schematic diagram for the power circuit that the present invention is provided；
Fig. 4 is the schematic diagram for the communicating circuit that the present invention is provided；
Fig. 5 is the scheme of installation for the metal fixing plate that the present invention is provided；
Wherein, 1- Level monitors, 2- water pump start-up and shut-down control devices, 3- warning devices, 4- infrared distance measurement water-level gauges, 5-
Signal controller, 6- single-chip microcomputers, 7- power circuits, 8- communicating circuits, 9- forceful electric power switch, 10- electromagnetic relays, 11- water-heads
Scale, 12- water-head guide rails, 13- mounting seats, 14- metal fixing plates, 15-USB interfaces, 16- signal input interfaces, 17- letters
Number output interface, 18- water level parameters receiving modules, 19- memory modules, 20- water level parameters comparing modules, 21- water pump start and stop controls
Directive generation module processed, 22- short message generation modules, the current nodes of 23- first, the current nodes of 24- second, the electric currents of 25- the 3rd
Node, the current nodes of 26- the 4th, the current nodes of 27- the 5th, the current nodes of 28- the 6th, the current nodes of 29- the 7th, 30- the 8th
Current node, 31- radio frequency chips, 32- crystal oscillating circuits, the modulation circuits of 33- first, the modulation circuits of 34- second, 35- RF switches
Circuit, 36- crystal oscillators, the circuit nodes of 37- first, 38- second circuit nodes, the electric capacity of 39- first, the electric capacity of 40- second, 41- first
Inductance, the inductance of 42- second, 43- tertiary circuit nodes, the circuit nodes of 44- the 4th, the electric capacity of 45- the 3rd, the electric capacity of 46- the 4th, 47-
5th electric capacity, the circuit nodes of 48- the 5th, the inductance of 49- the 3rd, 50- cast concrete bases, 51- fastening anchors, 52- welding plates.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 shows the structural representation for the cable duct of substation water pump automatic start warning system that the present invention is provided, and is
It is easy to only give part related to the present invention in explanation, figure.
Cable duct of substation water pump automatic start warning system includes Level monitor 1, the and of water pump start-up and shut-down control device 2
Warning device 3；
Level monitor 1 includes infrared distance measurement water-level gauge 4 and signal controller 5, the infrared distance measurement water-level gauge 4 and institute
The connection of the signal of signal controller 5 is stated, the water level parameters that 5 pairs of the signal controller infrared distance measurement water-level gauge 4 is measured are carried out
Signal is changed；
Alarm signal processing unit includes single-chip microcomputer 6, power circuit 7, communicating circuit 8 and some interfaces, wherein, the electricity
Source circuit 7, communicating circuit 8 and some interfaces are connected with the single-chip microcomputer 6 respectively, the single-chip microcomputer 6 and the signal controller 5
Connection, the water level parameters that the single-chip microcomputer 6 is sent according to the signal controller 5, control generation water pump start-up and shut-down control instruction, and
Warning message is sent to the terminal device of patrol officer by the communicating circuit；
Water pump start-up and shut-down control device 2 includes forceful electric power switch 9 and electromagnetic relay 10, wherein, the forceful electric power switch 9 is serially connected in
In 220V power supply circuits, the input control end of the electromagnetic relay 10 receives the water pump start-up and shut-down control that the single-chip microcomputer 6 is sent
Instruction, the output control terminal of the electromagnetic relay 10 is connected with water pump, controls the start and stop of the water pump.
Wherein, as shown in figure 1, Level monitor 1 also includes water-head scale 11, water-head guide rail 12 and mounting seat
13, the water-head scale 11 and the water-head guide rail 12 are arranged in the mounting seat 13；
Water-head scale 11 is used for display scale, and the measuring basis of infrared distance measurement water-level gauge 4, the water level can be defined according to this
Poor guide rail 12 is used to install the water-head scale 11；
Mounting seat 13 includes metal fixing plate 14 and the metal fixing plate 14 is fixed on into cable duct base concrete base
The upper fastening bolt (unmarked in figure) at bottom, wherein, the metal fixing plate is attached most importance to metal fixing plate, wherein, the heavy metal
Concrete component configures as follows according to mass percent：
Carbon：0.002%-0.05%, silicon：0.03%-0.90%, manganese：0.03%-0.23%, phosphorus：0.001%-
0.003%, sulphur：0.001%-0.020%, chromium：12%-20%, nickel：1%-8%, aluminium：0.001%-0.2%, nitrogen：
0.001%-0.020%, oxygen：0.001%-0.015%, copper：0.001%-8%, tungsten：0.001%-6%, vanadium：0.001%-
0.8%, niobium：0.001%-0.30%, calcium：0.001%-0.10%, magnesium：0.001%-0.10%, boron：0.001%-
0.020%, molybdenum：2%-10%, surplus is iron and indispensable impurity；
It is corresponding, coating is coated with the metal material, the coating contains NiCr 3.5wt%, Cr2O36.2wt%,
Surplus is Al2O3；
Its specific smelting technology is：According to the normal smelting technology of cast steel, according to formula rate by component carbon, manganese, chromium,
Nickel, vanadium, boron, phosphorus, sulphur, molybdenum etc. melt, after coming out of the stove, and using refining furnace, in the case where overall process is passed through argon gas stirring, feed boron
Material, it is 1600 DEG C to control out-station temperature；Feed nano-scaled powders B material, it is outbound after, refined using stove；It is cast into just
Part；By first part surface at 500 DEG C isothermal Nitrizing Treatment, first, 16h is incubated, using relatively low ammonia dissociation rate (18%), to inhale
In the nitrogen stage, ammonia dissociation rate is then brought up to 35%, soaking time, in 70h, is diffusion phase, finally, to reduce nitriding layer
Fragility, 3h carries out moving back nitrogen processing before nitriding terminates, and ammonia dissociation rate brings up to 70%, moves back nitrogen temperature and bring up to 500 DEG C；Then exist
Its contact surface upper plasma sprays above-mentioned coating, completes；
In this embodiment, the component of above-mentioned metal material is mutually cooperateed with, and can play raising corrosion resistance and endurance
Effect.For example, the setting of wherein chromium substantially increases the corrosion resistance of metal material, manganese element therein can be greatly improved
It can cause accessory homogeneous deformation containing manganese in fatigue behaviour, material, while crackle can be caused to be formed in whole intra-die,
Rather than concentrate at boundary, it is also the resistance of Crack Extension containing manganese on the other hand, when crack tip extends to phase containing manganese,
Crackle can deflect, and increase crack extesion approach, so as to improve the fracture toughness and fatigue resistance of material.Added in component
Boron material can improve quenching degree, and the mechanism of action is：Boron carbon, P elements in austenite boundary segregation, component are improved to boron matches somebody with somebody
The quenching degree effect of part has material impact, using the compound action of multiple element, significantly improves and stable quenching degree, this for
Follow-up Nitrizing Treatment association is close, has very important significance.
For convenience of description, following installing mechanisms for giving above-mentioned metal fixing plate 14, as shown in Figure 5：
Cable duct base concrete substrate 50 is integrated the cube structure of product fixation, in order to ensure the stabilization of the mounting seat
Property can use following structures, it is necessary to metal fixing plate 14 is fixed in the cast concrete base 50：In cast concrete base 50
Provided with several fastening anchors 51, the fastening anchor is the exposed formation welding ends on the upper surface of cast concrete base, can be by the gold
Category fixed plate is welded on the fastening anchor 51, realizes the fixation fixed to metal, so as to further improve the steady of mounting seat
It is qualitative.
In this embodiment, structure of the above-mentioned fastening anchor in cast concrete base is inverted V-structure, and end is drawing
It is hook-shaped, to strengthen fixed effect.
In this embodiment, welding plate 53, the welding plate 53 and the welding of fastening anchor 51 are provided with the exposed part of fastening anchor
End welding, so that the convenient welding fixed to metal.
In embodiments of the present invention, in warning device 3, interface includes usb 15, signal input interface 16 and signal
Output interface 17；
Usb 15, is connected with external PC, for performing installation procedure and alarm content write operation；
Signal input interface 16, is connected with signal controller 5, for obtaining the water level that the signal controller 5 is delivered to
Parameter；
Signal output interface 17, is connected with the input control end of the electromagnetic relay, for the electromagnetic relay
Send the instruction of water pump start-up and shut-down control.
Other kinds of interface can certainly be included, to realize improving and extension to the function of warning device 3, herein not
Repeat again.
In embodiments of the present invention, as shown in Fig. 2 single-chip microcomputer bag 6 is included：
Water level parameters receiving module 18, for receiving the water level parameters that the signal input port is got；
Memory module 19, the water level parameters threshold value pre-set for storing and alarm content of short message；
Water level parameters comparing module 20, is connected with the water level parameters receiving module 18 and memory module 19, is used for respectively
The water level parameters that the water level parameters receiving module is received are carried out with the water level parameters threshold value called from the memory module
Compare, whether the water level for analyzing current cable duct reaches the state for opening water pump and alarm；
Water pump start-up and shut-down control directive generation module 21, is connected with the water level parameters comparing module 20, for joining when water level
When number meets the qualifications of the water level parameters threshold value, the start-up and shut-down control instruction of generation water pump；
Short message generation module 22, is connected with the water level parameters comparing module 20, for meeting described when water level parameters
During the qualifications of water level parameters threshold value, the alarm content of short message prestored is called from the memory module, passes through institute
Communicating circuit is stated to be sent on the terminal device of patrol officer.
Wherein, the single-chip microcomputer 6 can use MAX232 chips, naturally it is also possible to using the chip of other structures.
As shown in figure 3, power circuit 7 includes power interface P1, the power interface P1 is provided with pin 1 and pin 2, described
Pin 1 and pin 2 are connected with transformer T contact 1 and contact 2 respectively, and the contact 3 and contact 4 of the transformer T are connected to core
Piece U1 pin L and pin N, the chip U1 pin V0 are connected to 3.3V voltage output ends, the 3.3V voltage output ends
The first current node 23, the connection electric capacity C1 that first current node 23 is drawn, institute are provided between the pin V0
State electric capacity C1 the other end be connected to chip U1 pin 0V, the electric capacity C1 and the chip U1 pin 0V between set
There is the second current node 24, provided with parallel with electric capacity C1 between first current node 23 and second current node 24
Serial capacitance C2 on circuit, the circuit, second current node 24 is grounded；
Wherein, fuse F, the fuse F and transformation are provided between the pin 1 of the power interface P1 and transformer T
The 3rd current node 25, the 4th current node 26 and the 5th current node 27, the power supply are sequentially provided between device T pin 1
The 6th current node 28, the 7th current node 29 and the 8th current node are sequentially provided between the pin 2 of interface P1 and transformer
30；
Series resistor R1 between 3rd current node 25 and the 6th current node 28, the 4th current node
Serial capacitance C3 between 26 and the 7th current node 29, the 5th current node 27 and the 8th current node 30 it
Between series resistor R2.
Wherein, said chip U1 model AC220S3.3DC.
As shown in figure 4, communicating circuit includes radio frequency chip 31 and is respectively connected with the corresponding pin of radio frequency chip 31
Crystal oscillating circuit 32, the first modulation circuit 33, the second modulation circuit 34 and radio-frequency switch circuit 35, the connection of radio-frequency switch circuit 35 day
Line；
Wherein, crystal oscillating circuit 32 includes crystal oscillator 36, and two tie points of crystal oscillator 36 are respectively connecting to the correspondence of radio frequency chip 31
On pin, the first circuit node 37 and the second electricity are respectively equipped with the circuit between the corresponding pin of crystal oscillator 36 and radio frequency chip 31
It is grounded, is drawn from second circuit node 38 after circuit node 38, the first electric capacity of connection 39 drawn from the first circuit node 37
The second electric capacity of connection 40 after be grounded；
First modulation circuit 33 includes the first inductance 41 and the second inductance 42 of concatenation, the other end connection of the first inductance 41
The corresponding pin of radio frequency chip 31, the other end connection radio-frequency switch circuit 35 of the second inductance 42, the first inductance 41 and the second electricity
Circuit between sense 42 is provided with tertiary circuit node 43, and circuit between the second inductance 42 and radio-frequency switch circuit 35 is provided with the
It is grounded on four circuit nodes 44, the circuit that tertiary circuit node 44 is drawn after the 3rd electric capacity 45 of connection, the 4th circuit node 44 draws
Connect after the 4th electric capacity 46 and be grounded on the circuit gone out；
Second modulation circuit 34 includes the be serially connected between the corresponding pin of radio frequency chip 31 and radio-frequency switch circuit 35
Five electric capacity 47, the circuit between the 5th electric capacity 47 and the corresponding pin of radio frequency chip 31 is provided with the 5th circuit node 48, the 5th
It is grounded on the circuit that circuit node 48 is drawn after the 3rd inductance 49 of connection.
In embodiments of the present invention, water pump start-up and shut-down control device 2 and warning device 3 are installed pump power case and (not shown in figure
Go out) in, to facilitate management and check.
In embodiments of the present invention, cable duct of substation water pump automatic start warning system includes Level monitor 1, water
Pump start-up and shut-down control device 2 and warning device 3；Level monitor 1 includes infrared distance measurement water-level gauge 4 and signal controller 5, infrared
Ranging water-level gauge 4 is connected with the signal of signal controller 5, and the water level parameters that signal controller 5 is measured infrared distance measurement water-level gauge 4 enter
Row signal is changed；Alarm signal processing unit include single-chip microcomputer, power circuit, communicating circuit and some interfaces, single-chip microcomputer according to
The water level parameters that signal controller 5 is sent, control generation water pump start-up and shut-down control instruction, and by communicating circuit to patrol officer's
Terminal device sends warning message；Water pump start-up and shut-down control device 2 includes forceful electric power and switched and electromagnetic relay, and forceful electric power switch is serially connected in
In 220V power supply circuits, the input control end of electromagnetic relay receives the water pump start-up and shut-down control instruction that the single-chip microcomputer is sent, electricity
The output control terminal of magnetic relay is connected with water pump, controls the start and stop of water pump, is realized automatic real to the progress of cable duct flooded condition
When monitoring and timely draining, and can work as water discharge after can automatic closing water pump, while can also be directed to cable duct water level it is timely
Patrol officer is notified, and is solved because potential safety hazard caused by cable duct water inlet.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
1. a kind of cable duct of substation water pump automatic start warning system, it is characterised in that the system is filled including water level monitoring
Put, water pump start-up and shut-down control device and warning device；
The Level monitor includes infrared distance measurement water-level gauge and signal controller, the infrared distance measurement water-level gauge and the letter
Number controller signals connection, the water level parameters that the signal controller measure the infrared distance measurement water-level gauge carry out signal turn
Change；
The alarm signal processing unit includes single-chip microcomputer, power circuit, communicating circuit and some interfaces, wherein, the power supply
Circuit, communicating circuit and some interfaces are connected with the single-chip microcomputer respectively, and the single-chip microcomputer is connected with the signal controller, institute
The water level parameters that single-chip microcomputer is sent according to the signal controller are stated, control generation water pump start-up and shut-down control is instructed, and by described
Communicating circuit sends warning message to the terminal device of patrol officer；
The water pump start-up and shut-down control device includes forceful electric power and switched and electromagnetic relay, wherein, the forceful electric power switch is serially connected in 220V
In power supply circuit, the input control end of the electromagnetic relay receives the water pump start-up and shut-down control instruction that the single-chip microcomputer is sent, institute
The output control terminal for stating electromagnetic relay is connected with water pump, controls the start and stop of the water pump.
2. cable duct of substation water pump automatic start warning system according to claim 1, it is characterised in that the water level
Monitoring device also includes water-head scale, water-head guide rail and mounting seat, the water-head scale and the water-head guide rail
In the mounting seat.
3. cable duct of substation water pump automatic start warning system according to claim 2, it is characterised in that the installation
Base includes metal fixing plate and the metal fixing plate is fixed on to the upper fastening bolt at cable duct bottom cement base bottom.
4. cable duct of substation water pump automatic start warning system according to claim 3, it is characterised in that the interface
Including USB interface, signal input interface and signal output interface；
The USB interface, is connected with external PC, for performing installation procedure and alarm content write operation；
The signal input interface, is connected with signal controller, for obtaining the water level parameters that the signal controller is delivered to；
The signal output interface, is connected with the input control end of the electromagnetic relay, for being sent out to the electromagnetic relay
Conveying pump start-up and shut-down control is instructed.
5. cable duct of substation water pump automatic start warning system according to claim 4, it is characterised in that the monolithic
Machine includes：
Water level parameters receiving module, for receiving the water level parameters that the signal input port is got；
Memory module, the water level parameters threshold value pre-set for storing and alarm content of short message；
Water level parameters comparing module, is connected with the water level parameters receiving module and memory module respectively, for water level ginseng
Water level parameters threshold value of the water level parameters that number receiving module is received with being called from the memory module is compared, and analysis is worked as
Whether the water level of preceding cable duct reaches the state for opening water pump and alarm；
Water pump start-up and shut-down control directive generation module, is connected with the water level parameters comparing module, for meeting institute when water level parameters
When stating the qualifications of water level parameters threshold value, the start-up and shut-down control instruction of generation water pump；
Short message generation module, is connected with the water level parameters comparing module, for meeting the water level parameters when water level parameters
During the qualifications of threshold value, the alarm content of short message prestored is called from the memory module, passes through the communication electricity
Road is sent on the terminal device of patrol officer.
6. cable duct of substation water pump automatic start warning system according to claim 5, it is characterised in that the power supply
Circuit includes power interface P1, and the power interface P1 is provided with pin 1 and pin 2, the pin 1 and pin 2 respectively with transformation
Device T contact 1 and contact 2 is connected, and the contact 3 and contact 4 of the transformer T are connected to chip U1 pin L and pin N, institute
The pin V0 for stating chip U1 is connected to 3.3V voltage output ends, provided with the between the 3.3V voltage output ends and the pin V0
One current node, the connection electric capacity C1 that first current node is drawn, the other end of the electric capacity C1 is connected to chip
The second current node, first electricity are provided between U1 pin 0V, the electric capacity C1 and the chip U1 pin 0V
Flow and serial capacitance C2 on the circuit in parallel with electric capacity C1, the circuit is provided between node and second current node, it is described
Second current node is grounded；
Wherein, fuse F, the fuse F and transformer T are provided between the pin 1 of the power interface P1 and transformer T
The 3rd current node, the 4th current node and the 5th current node, the power interface P1 and transformation are sequentially provided between pin 1
The 6th current node, the 7th current node and the 8th current node are sequentially provided between the pin 2 of device；
Series resistor R1 between 3rd current node and the 6th current node, the 4th current node and described the
Serial capacitance C3 between seven current nodes, series resistor R2 between the 5th current node and the 8th current node.
7. cable duct of substation water pump automatic start warning system according to claim 6, it is characterised in that the chip
U1 model AC220S3.3DC.
8. cable duct of substation water pump automatic start warning system according to claim 7, it is characterised in that the communication
Circuit includes radio frequency chip and the crystal oscillating circuit being connected respectively with the corresponding pin of radio frequency chip, the first modulation circuit, second
Modulation circuit and radio-frequency switch circuit, radio-frequency switch circuit connection antenna.
9. cable duct of substation water pump automatic start warning system according to claim 8, it is characterised in that the crystal oscillator
Circuit includes crystal oscillator, and two tie points of crystal oscillator are respectively connecting on the corresponding pin of radio frequency chip, pair of crystal oscillator and radio frequency chip
Answer and the first circuit node and second circuit node are respectively equipped with the circuit between pin, the circuit drawn from the first circuit node
Connect and be grounded after the first electric capacity, is grounded after the electric capacity of connection second drawn from second circuit node；
First modulation circuit includes the first inductance and the second inductance of concatenation, and the other end of the first inductance connects pair of radio frequency chip
Answer pin, the other end connection radio-frequency switch circuit of the second inductance, circuit between the first inductance and the second inductance is provided with the
Three-circuit node, the circuit between the second inductance and radio-frequency switch circuit is provided with the 4th circuit node, and tertiary circuit node is drawn
Circuit on connection the 3rd electric capacity after be grounded, the 4th circuit node draw circuit on connection the 4th electric capacity after be grounded；
Second modulation circuit includes the 5th electric capacity being serially connected between the corresponding pin of radio frequency chip and radio-frequency switch circuit, the 5th
Circuit between electric capacity and the corresponding pin of radio frequency chip is provided with the 5th circuit node, the circuit that the 5th circuit node is drawn
Connect and be grounded after the 3rd inductance.
10. the cable duct of substation water pump automatic start warning system according to any one of claim 1 to 9, its feature exists
In the water pump start-up and shut-down control device and the warning device are respectively mounted in pump power case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710504261.0A CN107299895B (en) | 2017-06-28 | 2017-06-28 | A kind of cable duct of substation water pump starts alarm system automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710504261.0A CN107299895B (en) | 2017-06-28 | 2017-06-28 | A kind of cable duct of substation water pump starts alarm system automatically |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107299895A true CN107299895A (en) | 2017-10-27 |
| CN107299895B CN107299895B (en) | 2019-05-21 |
Family
ID=60136005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710504261.0A Active CN107299895B (en) | 2017-06-28 | 2017-06-28 | A kind of cable duct of substation water pump starts alarm system automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107299895B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860427A (en) * | 2019-11-12 | 2020-03-06 | 潍坊石花化工建材有限公司 | Novel waterproofing membrane is with immersion oil device |
| CN112974031A (en) * | 2021-02-04 | 2021-06-18 | 优方科技(东莞)有限公司 | Automatic calibration formula liquid atomization device examines water system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH102283A (en) * | 1996-06-18 | 1998-01-06 | Toshiba Corp | Pump control device |
| US7246662B2 (en) * | 2004-03-30 | 2007-07-24 | Core Laboratories Canada Ltd | Systems and methods for controlling flow control devices |
| CN102393760A (en) * | 2011-10-13 | 2012-03-28 | 嘉兴电力局 | Drainage control system for substation cable layer |
| CN203429767U (en) * | 2013-09-22 | 2014-02-12 | 国家电网公司 | Automatic draining system capable of remotely controlling electric cable well |
| CN105043493A (en) * | 2015-05-14 | 2015-11-11 | 珠江水利委员会珠江水利科学研究院 | High-precision water level gauge |
| CN105278427A (en) * | 2015-11-12 | 2016-01-27 | 国网辽宁省电力有限公司朝阳供电公司 | Flood prevention automatic alarm drainage system used for transformer substation |
-
2017
- 2017-06-28 CN CN201710504261.0A patent/CN107299895B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH102283A (en) * | 1996-06-18 | 1998-01-06 | Toshiba Corp | Pump control device |
| US7246662B2 (en) * | 2004-03-30 | 2007-07-24 | Core Laboratories Canada Ltd | Systems and methods for controlling flow control devices |
| CN102393760A (en) * | 2011-10-13 | 2012-03-28 | 嘉兴电力局 | Drainage control system for substation cable layer |
| CN203429767U (en) * | 2013-09-22 | 2014-02-12 | 国家电网公司 | Automatic draining system capable of remotely controlling electric cable well |
| CN105043493A (en) * | 2015-05-14 | 2015-11-11 | 珠江水利委员会珠江水利科学研究院 | High-precision water level gauge |
| CN105278427A (en) * | 2015-11-12 | 2016-01-27 | 国网辽宁省电力有限公司朝阳供电公司 | Flood prevention automatic alarm drainage system used for transformer substation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110860427A (en) * | 2019-11-12 | 2020-03-06 | 潍坊石花化工建材有限公司 | Novel waterproofing membrane is with immersion oil device |
| CN112974031A (en) * | 2021-02-04 | 2021-06-18 | 优方科技(东莞)有限公司 | Automatic calibration formula liquid atomization device examines water system |
| CN112974031B (en) * | 2021-02-04 | 2022-04-05 | 优方科技(东莞)有限公司 | Automatic calibration formula liquid atomization device examines water system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107299895B (en) | 2019-05-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107299895A (en) | A kind of cable duct of substation water pump automatic start warning system | |
| CN104201628B (en) | Power distribution line tower span panning method based on load reliability | |
| CN104215498A (en) | Multifunctional rut testing instrument | |
| CN101299701A (en) | Wireless sensing network system for monitoring temperature of power transforming and transmitting system and implementing method thereof | |
| CN201429507Y (en) | Locomotive power-supply load test detection device | |
| CN102976501B (en) | Universal variable-frequency electromagnetic descaler and descaling method thereof | |
| CN103954843B (en) | One does not disconnect ground lead pole tower ground resistance and measures injection power frequency method of determining range | |
| CN100446951C (en) | Microcomputer production control system for concrete | |
| CN108808284A (en) | Electricity testing ground wire with GPS functions is hung and earth connection measurement plant | |
| CN207149352U (en) | Transformer demagnetization instrument with remanent magnetism quantitative analysis function | |
| CN103605052A (en) | System and method for waveform adjustment in GIS field oscillation type impact voltage resistance test | |
| CN207468740U (en) | A kind of novel intelligent wireless test stake | |
| CN103128857B (en) | For the bentonite slurrying control system of shield-tunneling construction | |
| CN104851342A (en) | Electricity stealing prevention device aiming contact electricity stealing and noncontact electricity stealing | |
| CN101928574A (en) | Installing method of dry quenching apparatus | |
| CN209710472U (en) | A kind of electronic communication signal frequency modulation device | |
| CN201417296Y (en) | Indicator integrated circuit test device | |
| CN209471149U (en) | A kind of auxiliary connection device of high-voltage inverter test macro | |
| CN208596187U (en) | Voltage transformer N600 line earth current on-Line Monitor Device | |
| CN201876537U (en) | Detector for online arrester monitoring device | |
| CN207281135U (en) | A kind of electrical energy measurement conversion equipment | |
| CN208126192U (en) | A kind of controller for electric vehicle full-automatic test system | |
| CN207779505U (en) | A kind of molten iron level monitoring device | |
| CN204748937U (en) | A moisture content control system for concrete mixer stirs production | |
| CN204945279U (en) | A kind of mixing console for Electrical Power Line Parameter test |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |