CN1693711A - Intelligent control device for water pump electric machine - Google Patents
Intelligent control device for water pump electric machine Download PDFInfo
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- CN1693711A CN1693711A CN 200510040391 CN200510040391A CN1693711A CN 1693711 A CN1693711 A CN 1693711A CN 200510040391 CN200510040391 CN 200510040391 CN 200510040391 A CN200510040391 A CN 200510040391A CN 1693711 A CN1693711 A CN 1693711A
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- microcontroller
- water pump
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- sensor assembly
- control device
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Abstract
The invention discloses an intelligent control device for pump electromotor that includes input node and output node. Pump electromotor is connected to output node. Marker is set on the rotating shaft of the pump electromotor. Sensor module is set corresponding to the marker. The sensor module sends signal to the marker place and receives reflected signal. The output signal generated by the sensor module is output to programmable microprocessor. The control signal generated by the programmable microprocessor would be send to switch circuit to control pump electromotor to rotate.
Description
Technical field
The present invention relates to a kind of intelligent control device for water pump electric machine.
Background technique
In general, water pump can be controlled by different modes.The simplest way is exactly manually control, and the operator can be according to being come control switch by the amount of drawing liquid body.But manually control has some narrow limitation, for example if when unattended, and pump motor Chang Kai or normally closed.Often open and cause then that the motor feels hot burns out; The normally closed liquid level that then can make goes beyond the limit.
Therefore, manufacturer has developed some water pump automatic controllers.Usually by liquid detection device such as float or switch of sensor control, open pump motor when making its closed, and stop the pump motor operation when opening.Though this class robot device than manually control is more advanced, but exist many problems.In general the volume ratio of surveying float is bigger, thereby can't use in limited space; Liquid level sensor then must be immersed under water or fully near the position of liquid level, corroded because of environmental factor easily or damaged, and since sniffer separates with the pump housing, so install and use also extremely inconvenience.In view of these deficiencies, incorporate automatic control pump also develops successively, and the electrical signal that adopts pump motor to produce in running usually comes work.When pump motor was opened, motor can produce relevant voltage signal and current signal usually, and when liquid level height low to can't draw water again the time, voltage and current signal is variation to some extent then.Application apparatus based on this type of principle is all not enough to some extent at present, and the discrete factor affecting that the voltage and current signal of detection is gathered environment is bigger, and very easily out of control when chance failures such as water pump appearance obstruction, causes motor overheating to damage.
Summary of the invention
The objective of the invention is: a kind of intelligent control device for water pump electric machine is provided, adopt noncontacting proximity sensor, the runnability of online acquisition pump motor, detect the emission source signal that produces from pump motor axle mark, or detection transmits less than the underlined generation of pump motor axle, generate online output signal thus, produce a pair of switching signal at each collection period by controller with Fixed Time Interval, thereby form the dynamic signal of gathering, make the rotating speed of gathering signal and pump motor have corresponding relation, in view of the above, judge that by default controlling value form producing water pump is fully loaded with again, the control signal of corresponding state such as unloaded or stopped up, the control of pump motor safety moves.
Technological scheme of the present invention is: a kind of intelligent control device for water pump electric machine, comprise input node and output node, output node is connected with pump motor, the rotating shaft of described pump motor is provided with mark, be provided with sensor assembly corresponding to mark, sensor assembly transmits to mark and receives reflected signal, the output signal that sensor assembly generates outputs to microcontroller able to programme, the control signal that microcontroller able to programme generates outputs to the switch loop, is turned round by switch circuit controls pump motor.
In the technique scheme, sensor assembly, microcontroller able to programme, switch loop provide power supply by power module;
Described sensor assembly comprises infrared transmitter and infrared remote receiver, and infrared transmitter is emitted to mark by driver drives with IR, and infrared remote receiver receives the reflected signal of mark, and exports microcontroller able to programme behind the signal amplification shaping device to;
Described switch loop comprises the relay that is connected between input node and the output node, after the control signal of microcontroller able to programme outputs to drive circuit, by the drive circuit control relay;
Described power module comprises two rectifiers that are connected in parallel with the input node, and two rectifiers are respectively by exporting behind direct current 6V current limliting voltage stabilizing and eliminator and direct current 24V current limliting and the eliminator.
Advantage of the present invention is:
1. the present invention adopts the working condition of noncontacting proximity sensor online acquisition pump motor, the reliability height, and cross interference is little, and it is less to be gathered the discrete factor affecting of environment.
2. the present invention is with the working state of digital form online acquisition, monitoring pump motor, and Monitoring Data is stable, the control accuracy height, thus can guarantee that what water pump just was able to continuously draws water as long as liquid level height is enough; When liquid level was very low, water pump will be shut down wait to avoid the motor idling loss; And when the obstruction of pump motor experience waited contingency, water pump will shut down and wait the fault eliminating, damaged to avoid motor overheating.
3. the embedded integrated apparatus structure of the overall employing of the present invention has been realized intelligent water pump product, and is not only easy to install, and intelligent degree height.
Description of drawings
The invention will be further described below in conjunction with embodiment:
Fig. 1 is an electrical block diagram of the present invention;
Fig. 2 is the electrical block diagram of sensor assembly;
Fig. 3 is the electrical block diagram of power module;
Fig. 4 is the electrical block diagram in switch loop;
Fig. 5 is the software flow pattern of microcontroller able to programme;
Fig. 6 is circuit theory diagrams of the present invention;
Fig. 7 is the structural representation of water pump.
Embodiment
Embodiment: as shown in Figure 1, a kind of intelligent control device for water pump electric machine, comprise input node 12,14 and output node 16,18, output node 16,18 are connected with pump motor 70, the rotating shaft 24 of described pump motor 70 is provided with mark 26, be provided with sensor assembly 20 corresponding to mark 26, sensor assembly 20 transmits to mark 26 places and receives reflected signal, the output signal that sensor assembly 20 generates outputs to microcontroller 40 able to programme, the control signal that microcontroller 40 able to programme generates outputs to switch loop 60, by 60 control of pump motors, 70 runnings of switch loop, sensor assembly 20, microcontroller 40 able to programme, switch loop 60 provides power supply by power module 50.
Therefore, the present invention can be easily links with different ac power supply, and particular type depends on the needs of motor usually.
The present invention includes a reflective photoelectric sensor module 20, sensor assembly 20 is by the rotating shaft 24 emissions a branch of IR of light path 22 directions to pump motor 70, when the mark on the machine shaft 24 26 is on the light path 22, sensor assembly 20 will receive the IR reflected signal from mark 26, when the arbitrary mark 26 on the machine shaft 24 is not on light path 22, sensor assembly 20 does not just receive the IR reflected signal, generates digital output signal thus.Then this signal is outputed to microcontroller 40 able to programme.Microcontroller 40 able to programme also can be the controller or the hardware circuit of other kind.
As shown in Figure 2, sensor assembly 20 comprises an infrared transmitter 28, infrared remote receiver 29, a driver 27 and a signal amplification shaping device 30.Sensor assembly 20 is by power module 50 power supplies.Make infrared transmitter 28 launch a branch of IR by driver 27 by light path 22 directions.Infrared remote receiver 29 is transformed into digital output signal with the IR reflected signal number of the delivering letters amplification shaping device 30 that receives.
Microcontroller 40 able to programme is also by power module 50 power supplies.This power module 50 converts ac power supply to suitable DC electrical source.Microcontroller 40 the most suitable VDC able to programme generally of the present invention are 5～7V.As can be seen from Figure 3, power module 50 comprises two power supply passages.Wherein rectifier 51 and current limliting voltage stabilizing and filtration module 52 usefulness generate the direct current output of 6V, give sensor assembly 20 and microcontroller able to programme 40 power supplies; Rectifier 53 and current limliting and filtration module 54 usefulness generate the direct current output of 24V, give the switch loop 60 power supplies.
Microcontroller 40 is handled the digital signal of gathering from sensor assembly 20.Produce a pair of switching signal with Fixed Time Interval at each collection period by controller 40, one is actuating signal, and one is termination signal, thereby forms the dynamic signal of gathering.The output control signal that microcontroller 40 produces sends to switch loop 60.As can be seen from Figure 4, switch loop 60 comprises drive circuit 62 and relay 64.Generally this relay 64 is normally closed.
Microcontroller 40 is programmable.When being connected to ac power supply, microcontroller 40 starts operation, and it can send a closure signal and give switch loop 60, makes relay 64 closures.Closed and when being connected to ac power supply, Ac can be transported to node 16 and 18 when switch loop 60.At this moment pump motor 70 is with regard to startup work, and can keep working state under the situation of switch loop 60 closures.
When pump motor 70 started work, sensor assembly 20 continued to microcontroller 40 output digital signals.If the load of pump motor 70 reduces, the frequency number of output digital signal can increase; If pump motor 70 meets with obstruction and waits contingency, the frequency number of output digital signal can reduce singularly.The frequency number here and the rotating speed of motor 70 have corresponding relation, and microcontroller 40 can preestablish a frequency numerical control system threshold value form.When the frequency number of sensor assembly 20 output digital signals met or exceeded the low-load threshold value, microcontroller 40 will produce a cut-off signal and give switch loop 60, thereby relay 64 is disconnected, and stopped pump motor 70 work.At this moment microcontroller 40 is handled by zero load or unloaded state, use desired as many water pumps, in order to keep the initiative and the persistency of water pump operation, microcontroller 40 can be programmed to be arranged on and be waited for a period of time after switch loop 60 disconnects, and then Closing Switch loop 60, the frequency number of repeated acquisition sensor assembly 20 output digital signals.And when the frequency number of sensor assembly 20 output digital signals was lower than occlusion threshold, microcontroller 40 also can produce a cut-off signal and give switch loop 60, and relay 64 is disconnected, and stopped pump motor 70 work.At this moment microcontroller 40 is pressed the blocked state processing, microcontroller 40 can be programmed to be arranged on and be waited for a period of time after switch 60 disconnects, the Closing Switch loop 60 then, the frequency number of repeated acquisition sensor assembly 20 output digital signals, as confirm that pump motor 70 meets with obstruction and waits contingency, i.e. shutdown waits fault and gets rid of.
By this way, this invention can guarantee that what water pump just was able to continuously draws water as long as liquid level height is enough; When liquid level was very low, water pump will be shut down wait to avoid the motor idling loss; And when pump motor 70 met with contingencies such as obstruction, water pump will shut down and wait the fault eliminating, damaged to avoid motor overheating.
The software flow pattern that Fig. 5 uses for the embodiment of the invention can be carried out by microcontroller 40 after the programming.This flow chart can make us further understand the operation of microcontroller 40.Running Once you begin, microcontroller 40 will be designated as the initialize routine of step 100 in the execution graph 5.Microcontroller 40 sends a signal closes switch loop 60 thereupon, and starts pump motor 70 work, shown in the 104th step.Microcontroller 40 digital signal of receiving sensor module 20 output constantly then generates and calculates the frequency number of online acquisition signal.When step 116, microcontroller 40 is tabled look-up to analyze and judge by the frequency number of online acquisition signal and is transferred to that corresponding unloaded state is handled, full load condition is handled or executive routine such as blocked state processing.
Figure 6 shows that the cut-away section schematic representation of the embodiment of the invention.Intelligent control device for water pump electric machine 10 is installed in the pump housing 172 of water pump 170.This embodiment device is by power line 174 power supplies, the motor 178 (pump motor M just) that the control and the pump housing 172 are fitted together.Motor 178 impeller 182 extract liquid, and liquid is filtered by filter screen 184, flows out from water outlet 188 through water-supplying chamber 186 again.
Fig. 7 is circuit theory diagrams of the present invention, and 20 frame of broken lines are that sensor assembly, 40 frame of broken lines are that microcontroller able to programme, 50 frame of broken lines are that power module, 60 frame of broken lines are that switch loop, ET107 are that sensor, SRD24 are that relay, TC2051B are microcontroller among the figure.
Claims (5)
1. intelligent control device for water pump electric machine, comprise input node (12,14) and output node (16,18), output node (16,18) be connected with pump motor (70), it is characterized in that: the rotating shaft (24) of described pump motor (70) is provided with mark (26), be provided with sensor assembly (20) corresponding to mark (26), sensor assembly (20) transmits to mark (26) and locates and receive reflected signal, the output signal that sensor assembly (20) generates outputs to microcontroller able to programme (40), the control signal that microcontroller able to programme (40) generates outputs to switch loop (60), is turned round by switch loop (60) control of pump motor (70).
2. intelligent control device for water pump electric machine according to claim 1 is characterized in that: described sensor assembly (20), microcontroller able to programme (40), switch loop (60) provide power supply by power module (50).
3. intelligent control device for water pump electric machine according to claim 1, it is characterized in that: described sensor assembly (20) comprises infrared transmitter (28) and infrared remote receiver (29), infrared transmitter (28) is emitted to mark (26) by driver (27) driving with IR and locates, infrared remote receiver (29) receives the reflected signal of mark (26), and exports microcontroller able to programme (40) behind signal amplification shaping device (30) to.
4. intelligent control device for water pump electric machine according to claim 1, it is characterized in that: described switch loop (60) comprises the relay (64) that is connected between input node (14) and the output node (18), after the control signal of microcontroller able to programme (40) outputs to drive circuit (62), by drive circuit (62) control relay (64).
5. intelligent control device for water pump electric machine according to claim 1, it is characterized in that: described power module (20) comprises two rectifiers (51,53) that are connected in parallel with input node (12), and two rectifiers (51,53) are respectively by direct current 6V current limliting voltage stabilizing and eliminator (52) and direct current 24V current limliting and the output of eliminator (54) back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510040391 CN1693711A (en) | 2005-06-03 | 2005-06-03 | Intelligent control device for water pump electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510040391 CN1693711A (en) | 2005-06-03 | 2005-06-03 | Intelligent control device for water pump electric machine |
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| CN1693711A true CN1693711A (en) | 2005-11-09 |
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| CN 200510040391 Pending CN1693711A (en) | 2005-06-03 | 2005-06-03 | Intelligent control device for water pump electric machine |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102148559A (en) * | 2011-04-07 | 2011-08-10 | 苏州沃达园林机械有限公司 | Motor for water pump |
| CN102536770A (en) * | 2010-12-31 | 2012-07-04 | 陈俊平 | Water pump with self-protection function and self-protection method thereof |
| CN103089660A (en) * | 2011-10-31 | 2013-05-08 | 朱小雄 | Water pump with water shortage protection device |
| CN103321917A (en) * | 2013-07-03 | 2013-09-25 | 浙江沁园水处理科技有限公司 | Water pump running self-checking device |
| CN101802413B (en) * | 2007-09-20 | 2014-07-30 | 格伦德福斯管理联合股份公司 | Method for monitoring an energy conversion device |
| CN103987966A (en) * | 2011-12-09 | 2014-08-13 | 戴姆勒股份公司 | Method for monitoring pump |
| CN104011396A (en) * | 2011-12-22 | 2014-08-27 | 赛乐姆知识产权控股有限责任公司 | Pump control including cleaning procedure or stopping depending on motor load |
| CN104218871A (en) * | 2013-09-11 | 2014-12-17 | 张朝坤 | Intelligent control application of motor |
| CN104632597A (en) * | 2013-11-13 | 2015-05-20 | 余姚市视迈电子技术有限公司 | Oil pumping control device and control method of oil well pump |
| CN110206721A (en) * | 2019-06-28 | 2019-09-06 | 苏州优德通力科技有限公司 | A kind of hand washing sink pump |
| CN114382703A (en) * | 2022-01-12 | 2022-04-22 | 江苏徐工工程机械研究院有限公司 | Control method of waterlogging draining robot and waterlogging draining robot |
-
2005
- 2005-06-03 CN CN 200510040391 patent/CN1693711A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101802413B (en) * | 2007-09-20 | 2014-07-30 | 格伦德福斯管理联合股份公司 | Method for monitoring an energy conversion device |
| CN102536770A (en) * | 2010-12-31 | 2012-07-04 | 陈俊平 | Water pump with self-protection function and self-protection method thereof |
| CN102148559A (en) * | 2011-04-07 | 2011-08-10 | 苏州沃达园林机械有限公司 | Motor for water pump |
| CN103089660A (en) * | 2011-10-31 | 2013-05-08 | 朱小雄 | Water pump with water shortage protection device |
| CN103987966A (en) * | 2011-12-09 | 2014-08-13 | 戴姆勒股份公司 | Method for monitoring pump |
| US10480518B2 (en) | 2011-12-22 | 2019-11-19 | Xylem Ip Holdings Llc | Method for controlling a pump arrangement |
| CN104011396A (en) * | 2011-12-22 | 2014-08-27 | 赛乐姆知识产权控股有限责任公司 | Pump control including cleaning procedure or stopping depending on motor load |
| CN103321917A (en) * | 2013-07-03 | 2013-09-25 | 浙江沁园水处理科技有限公司 | Water pump running self-checking device |
| CN104218871B (en) * | 2013-09-11 | 2017-07-07 | 东莞市有意思电子科技有限公司 | A kind of Based Intelligent Control application of motor |
| CN104218871A (en) * | 2013-09-11 | 2014-12-17 | 张朝坤 | Intelligent control application of motor |
| CN104632597A (en) * | 2013-11-13 | 2015-05-20 | 余姚市视迈电子技术有限公司 | Oil pumping control device and control method of oil well pump |
| CN110206721A (en) * | 2019-06-28 | 2019-09-06 | 苏州优德通力科技有限公司 | A kind of hand washing sink pump |
| CN114382703A (en) * | 2022-01-12 | 2022-04-22 | 江苏徐工工程机械研究院有限公司 | Control method of waterlogging draining robot and waterlogging draining robot |
| CN114382703B (en) * | 2022-01-12 | 2024-02-02 | 江苏徐工工程机械研究院有限公司 | Control method of waterlogging drainage robot and waterlogging drainage robot |
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