CN208268045U - A kind of diving apparatus for controlling pump - Google Patents
A kind of diving apparatus for controlling pump Download PDFInfo
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- CN208268045U CN208268045U CN201820763046.2U CN201820763046U CN208268045U CN 208268045 U CN208268045 U CN 208268045U CN 201820763046 U CN201820763046 U CN 201820763046U CN 208268045 U CN208268045 U CN 208268045U
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- pump
- current measurement
- central processing
- immersible pump
- measurement module
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Abstract
The utility model discloses a kind of diving apparatus for controlling pump.Described device includes central processing unit and the immersible pump start-up and shut-down control module, flowmeter, liquidometer, three-phase voltage current measurement module, leakage current measurement module and the temperature sensor that are connected with central processing unit.The data that central processing unit is inputted according to flowmeter and liquidometer can be realized the automatic pumping control to immersible pump by outputing control signals to immersible pump start-up and shut-down control module；The data inputted according to three-phase voltage current measurement module, leakage current measurement module and temperature sensor; detect over-voltage, overcurrent, zero load, under-voltage, phase shortage, short circuit, electric leakage and the overheating fault of motor; when detecting that diving pump motor breaks down; immersible pump start-up and shut-down control module cutting motor power is output control signals to, can be realized the automatic detection and protection of a variety of motor faults.
Description
Technical field
The utility model belongs to water pump control technology field, and in particular to a kind of diving apparatus for controlling pump.
Background technique
Immersible pump is made of motor and water pump, is the important equipment that deep-well takes water lift.Entire unit slips into water when use
In, it can be used for extracting underground water from deep-well, it can also be used to the water lifts engineering such as river, reservoir, water channel.It is mainly used for field irrigation
And alpine region people and animals' water, also for central air-conditioning cooling, heat pump unit, cold pump assembly, city, factory, railway, mine, work
Ground draining uses.
Under water due to immersible pump long-term work, working environment is very severe, and the accident that motor is burnt out happens occasionally.When
Mechanical sealing member in pump is because when leak, being easy to make motor phase fault and burn motor caused by aged deterioration.Meanwhile it is electronic
Captain works the phase in wet condition, and insulation impedance also will cause leaky when reducing, and failure does not only result in whole once occurring
Machine damage, also will affect personal safety.Therefore, on-line monitoring and fault diagnosis are carried out to the operating status of pump, takes peace in time
Full guard measure is especially necessary.
Utility model content
In order to solve the above-mentioned problems in the prior art, the utility model proposes a kind of diving apparatus for controlling pump.
To achieve the above objectives, the present invention adopts the following technical solutions:
A kind of diving apparatus for controlling pump, including central processing unit and the immersible pump start and stop control being connected with central processing unit
Molding block, flowmeter, liquidometer, three-phase voltage current measurement module, leakage current measurement module and temperature sensor.Flowmeter peace
In the aqueduct of water outlet, for measuring pump-out；Liquidometer is mounted at immersible pump, for measure immersible pump with
The distance of the water surface in well；Three-phase voltage current measurement module is used to measure the voltage and current of diving pump motor three-phase windings；
Leakage current measurement module is used to measure the leakage current of motor three-phase windings；Temperature sensor is for measuring motor three-phase windings
Temperature.Central processing unit is used for the data inputted according to flowmeter and liquidometer, by outputing control signals to immersible pump
Start-up and shut-down control module is realized and is controlled the automatic pumping of immersible pump；According to three-phase voltage current measurement module, leakage current measurement mould
The data of block and temperature sensor input, detect over-voltage, overcurrent, zero load, under-voltage, phase shortage, short circuit, electric leakage and the overheat of motor
Failure outputs control signals to immersible pump start-up and shut-down control module cutting motor power when detecting that motor breaks down.
Further, described device further includes the pressure sensing for being mounted on aqueduct inner wall and being connected with central processing unit
Device.
Further, described device further include be connected with central processing unit for communicate with remote monitoring center lead to
Believe module.
Further, described device further includes the display and keyboard being connected with central processing unit.
Further, the immersible pump start-up and shut-down control module includes relay and the A.C. contactor that is controlled by relay.
Compared with prior art, the utility model has the following beneficial effects:
The utility model proposes a kind of diving apparatus for controlling pump, by setting central processing unit and with central processing list
The connected immersible pump start-up and shut-down control module of member, flowmeter, liquidometer, three-phase voltage current measurement module, leakage current measurement module
And temperature sensor, the data that central processing unit is inputted according to flowmeter and liquidometer, by outputing control signals to diving
Start-up and shut-down control module is pumped, the automatic pumping control of immersible pump is realized；According to three-phase voltage current measurement module, leakage current measurement
The data of module and temperature sensor input, detect over-voltage, overcurrent, zero load, under-voltage, phase shortage, short circuit, electric leakage and the mistake of motor
Thermal fault outputs control signals to immersible pump start-up and shut-down control module and cuts off electronic electromechanics when detecting that motor breaks down
Source realizes the automatic detection and protection of a variety of motor faults.
Detailed description of the invention
Fig. 1 is a kind of block diagram for apparatus for controlling pump of diving under water of the utility model embodiment；
Fig. 2 is the scheme of installation of immersible pump.
In figure: 1- central processing unit, 2- immersible pump start-up and shut-down control module, 3- pressure sensor, 4- flowmeter, 5- liquid level
Meter, 6- three-phase voltage current measurement module, 7- leakage current measurement module, 8- temperature sensor, 9- communication module, 10- water outlet,
11- well, 12- immersible pump, the 13- water surface, 14- aqueduct, the ground 15-.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
A kind of block diagram for apparatus for controlling pump of diving under water of the utility model embodiment is as shown in Figure 1, comprising: central processing unit
1 and be connected with central processing unit 1 immersible pump start-up and shut-down control module 2, flowmeter 4, liquidometer 5, three-phase voltage current measurement
Module 6, leakage current measurement module 7 and temperature sensor 8.Flowmeter 4 is mounted in the aqueduct 14 at water outlet 10, is used for
Measure pump-out；Liquidometer 5 is mounted at immersible pump, for measure immersible pump in well at a distance from the water surface 13；Three-phase electricity piezoelectricity
Flow measurement module 6 is used to measure the voltage and current of diving pump motor three-phase windings；Leakage current measurement module 7 is for measuring electricity
The leakage current of motivation three-phase windings；Temperature sensor 8 is used to measure the temperature of motor three-phase windings.Central processing unit 1 is used
In the data according to flowmeter 4 and the input of liquidometer 5, by outputing control signals to immersible pump start-up and shut-down control module 2, realization pair
The automatic pumping of immersible pump controls；It is defeated according to three-phase voltage current measurement module 6, leakage current measurement module 7 and temperature sensor 8
The data entered detect over-voltage, overcurrent, zero load, under-voltage, phase shortage, short circuit, electric leakage and the overheating fault of motor, when detecting electricity
When motivation breaks down, outputs control signals to immersible pump start-up and shut-down control module 2 and cut off motor power.
In the present embodiment, described device mainly by central processing unit 1, immersible pump start-up and shut-down control module 2, flowmeter 4,
Liquidometer 5, three-phase voltage current measurement module 6, leakage current measurement module 7 and temperature sensor 8 form.Immersible pump start-up and shut-down control
Module 2 is under the high level that central processing unit 1 exports or low level signal control, by being switched on or switched off diving pump motor
Power supply immersible pump unlatching and shutdown.As shown in Fig. 2, flowmeter 4 is mounted on the aqueduct at the water outlet 10 of well 11
In 14, for measuring pump-out；Liquidometer 5 is fixed on immersible pump, for measure immersible pump in well at a distance from the water surface 13, root
May determine that the number of water in well according to the distance, immersible pump " dry tap ", the distance cannot be too small in order to prevent.Central processing
The immersible pump that the pump-out and liquidometer 5 that unit 1 is measured according to flowmeter 4 measure may be implemented at a distance from the water surface 13 to latent
The automatic pumping of water pump controls: the total amount of water pumping of immersible pump is arranged；Start to measure pump-out after immersible pump booting, if pump-out
Reach the total amount of water pumping of setting, immersible pump is shut down；If immersible pump is less than the of setting at a distance from the water surface 13 in pump process
One threshold value, immersible pump " dry tap " caused by lacking in order to prevent because of water, shuts down immersible pump, and immersible pumps is waited to surpass at a distance from the water surface 13
After crossing the second threshold (second threshold is greater than first threshold) of setting, restarts immersible pump and continue to draw water, until actual pump-out
Reach setting total amount of water pumping.The LDSH type Electromagnetic Flow that flowmeter 4 can select Zhejiang Jinghua Measurement & Control Equipment Co., Ltd. to produce
Meter 4；The CJBH-HT type high-temperature anticorrosion fluid level transmitter that liquidometer 5 can select Xi'an Chuan Jin Electronic Science and Technology Co., Ltd. to produce.
In the present embodiment, three-phase voltage current measurement module 6, leakage current measurement module 7 and temperature sensor 8 are mainly used
It is detected in motor fault.The electricity for every phase winding that central processing unit 1 is measured by comparing three-phase voltage current measurement module 6
The size of pressure, current value and the threshold value of setting, judges whether there is over-voltage, overcurrent, zero load, under-voltage, phase shortage and short trouble；It is logical
The size for crossing the threshold value of the leakage current and setting that compare the motor three-phase windings that leakage current measurement module 7 measures, judges whether
There are leak current faults；The size of the threshold value of the temperature and setting of the motor three-phase windings measured according to temperature sensor 8, judgement
With the presence or absence of overheating fault.When detecting the presence of above-mentioned any failure generation, the output control signal of central processing unit 1
Motor power is cut off to immersible pump start-up and shut-down control module 2, makes motor from damage.Because the above-mentioned measured value respectively measured is
It can use and be measured to simplify measurement method (method for obtaining measured exact value is very complicated) for fault detection
Proportional relative value, as long as the corresponding threshold value for changing setting.The temperature of motor three-phase windings can pass through measurement
Shell temperature replaces.Three-phase voltage current measurement module 6 is mainly by voltage/current sample circuit and voltage/current conditioning circuit
Composition, the voltage sampling circuit of every phase winding and the winding parallel, the current sampling circuit of every phase winding and the winding string
Connection.Leakage current measurement module 7 is mainly made of leakage current sample circuit and leakage current conditioning circuit, and leakage current sample circuit is main
It is made of the Resistor-Capacitor Unit being connected between every phase winding and ground (casing).Motor three-phase voltage current and leakage current measurement are equal
Belong to the prior art, is not described in detail here.
Voltage, the current value of a kind of every phase winding measured by comparing three-phase voltage current measurement module 6 is given below
With the size of the threshold value of setting, judge whether there is over-voltage, overcurrent, zero load, under-voltage, phase shortage and short trouble method:
If an at least phase voltage Vi≥1.2Vnorm, and the duration is more than 10 minutes, then is over-voltage fault；
If an at least phase voltage Vi≤0.8Vnorm, and the duration is more than 10 minutes, then is under-voltage fault；
If an at least phase current Ii≥1.2Inorm, and the duration is more than 30 minutes, or an at least phase current Ii≥
1.5Inorm, and the duration is more than 10 minutes, or an at least phase current Ii≥2Inorm, and the duration is more than 1 minute, then for
Over current fault；
If an at least phase current Ii≤0.5Inorm, and the duration is more than 10 minutes, then is unloaded failure；
If an at least phase voltage Vi=0, and the duration is more than 5 seconds, then is open-phase fault；
If an at least phase current Ii≥10Inorm, and the duration is more than 0.5 second, then is short trouble.
Wherein, i=1,2,3, VnormAnd InormThe normal value for the single-phase voltage being respectively arranged and single-phase normal current are just
Constant value.
As a kind of alternative embodiment, described device further includes being mounted on 14 inner wall of aqueduct and central processing unit 1
Connected pressure sensor 3.
This gives a kind of technical solutions that measurement aqueduct 14 bears pressure, i.e., in 14 inner wall of aqueduct
Pressure sensor 3, pressure of the measurement water to water-supply-pipe are installed.The measurement that aqueduct 14 bears pressure can be used to judge water delivery
Pipeline 14 may further be used to analysis immersible pump performance and transmit the superiority and inferiority and transmission range of the pressure-resistant performance of waterpipe 14 either with or without rupture
It is whether suitable.The SH3551 type pressure transmitter that pressure sensor 3 can select Zhejiang Jinghua Measurement & Control Equipment Co., Ltd. to produce.
As a kind of alternative embodiment, described device further includes being connected with central processing unit 1 for monitoring with long-range
The communication module 9 of center to center communications.
A kind of technical solution that this gives described devices to communicate with remote monitoring center, i.e. setting and centre
The connected communication module 9 of unit 1 is managed, sends remote monitoring center for the field data that described device acquires, or receive long-range
The control instruction that monitoring center is sent realizes the control to diving pump work.
As a kind of alternative embodiment, described device further includes the display and keyboard being connected with central processing unit 1.
In the present embodiment, for the various data of real-time display immersible pump, as pump-out, liquid level depth (immersible pump with
The distance of the water surface 13), motor three-phase voltage current etc., and be convenient for man-machine interactive operation, setting and 1 phase of central processing unit
Display and keyboard (being not drawn into figure) even.
As a kind of alternative embodiment, the immersible pump start-up and shut-down control module 2 includes relay and is controlled by relay
A.C. contactor.
This gives a kind of technical solutions of immersible pump start-up and shut-down control module 2.It has been observed that immersible pump start-up and shut-down control
Module 2 is for being switched on or switched off motor (three-phase alternating current).Since three-phase alternating current piezoelectric voltage is high, electric current is big, one
As realize the on-off of three-phase alternating current using A.C. contactor, and to be also required to biggish driving electric for the control coil of A.C. contactor
Stream, therefore, the present embodiment increase the control coil of relay control A.C. contactor, are exported and are controlled by central processing unit 1
The on-off of signal control relay coil power supply.
The utility model embodiment gives the three-phase voltage of the motor measured according to three-phase voltage current measurement module 6
With the size of three-phase current, judge whether there is over-voltage, under-voltage, overcurrent, zero load, phase shortage and short trouble technical solution.By
In over-voltage, under-voltage, overcurrent, zero load, phase shortage and short trouble etc. there is no unified regulation or standard, the present embodiment is merely given as
A kind of preferred embodiment, does not repel other feasible judgment methods.
It is above-mentioned that only several specific embodiments in the utility model are illustrated, but can not be as the utility model
Protection scope, the equivalent change or modification or equal proportion amplification or contracting that all design spirits according in the utility model are made
It is small etc., it is deemed to fall the protection scope of the utility model.
Claims (5)
1. a kind of diving apparatus for controlling pump, which is characterized in that is be connected including central processing unit and with central processing unit is latent
Water pump start-up and shut-down control module, flowmeter, liquidometer, three-phase voltage current measurement module, leakage current measurement module and temperature sensing
Device；Flowmeter is mounted in the aqueduct of water outlet, for measuring pump-out；Liquidometer is mounted at immersible pump, is used for
Immersible pump is measured at a distance from the water surface in well；Three-phase voltage current measurement module is for measuring diving pump motor three-phase windings
Voltage and current；Leakage current measurement module is used to measure the leakage current of motor three-phase windings；Temperature sensor is for measuring electricity
The temperature of motivation three-phase windings；Central processing unit is used for the data inputted according to flowmeter and liquidometer, is controlled by output
Signal is realized and is controlled the automatic pumping of immersible pump to immersible pump start-up and shut-down control module；According to three-phase voltage current measurement module,
The data of leakage current measurement module and temperature sensor input detect the over-voltage of motor, overcurrent, zero load, under-voltage, phase shortage, short
Road, electric leakage and overheating fault output control signals to immersible pump start-up and shut-down control module and cut when detecting that motor breaks down
Disconnected motor power.
2. diving apparatus for controlling pump according to claim 1, which is characterized in that described device further includes being mounted on water-supply-pipe
The pressure sensor that road inner wall is connected with central processing unit.
3. diving apparatus for controlling pump according to claim 1, which is characterized in that described device further includes and central processing list
The connected communication module for being communicated with remote monitoring center of member.
4. diving apparatus for controlling pump according to claim 1, which is characterized in that described device further includes and central processing list
Member connected display and keyboard.
5. diving apparatus for controlling pump described in any one according to claim 1~4, which is characterized in that the immersible pump start and stop
Control module includes relay and the A.C. contactor that is controlled by relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820763046.2U CN208268045U (en) | 2018-05-22 | 2018-05-22 | A kind of diving apparatus for controlling pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820763046.2U CN208268045U (en) | 2018-05-22 | 2018-05-22 | A kind of diving apparatus for controlling pump |
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| Publication Number | Publication Date |
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| CN208268045U true CN208268045U (en) | 2018-12-21 |
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| CN201820763046.2U Active CN208268045U (en) | 2018-05-22 | 2018-05-22 | A kind of diving apparatus for controlling pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443129A (en) * | 2018-05-22 | 2018-08-24 | 北京安控科技股份有限公司 | A kind of diving apparatus for controlling pump |
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2018
- 2018-05-22 CN CN201820763046.2U patent/CN208268045U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443129A (en) * | 2018-05-22 | 2018-08-24 | 北京安控科技股份有限公司 | A kind of diving apparatus for controlling pump |
| CN108443129B (en) * | 2018-05-22 | 2023-09-19 | 北京安控科技股份有限公司 | Submersible pump control device |
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Address after: 644000 Building 9, Jinrun Industrial Park, Xuzhou District, Yibin City, Sichuan Province Patentee after: Sichuan Security Control Technology Co.,Ltd. Address before: 100095 building 6, yard 9, Dijin Road, Haidian District, Beijing Patentee before: BEIJING ECHO TECHNOLOGIES Co.,Ltd. |