CN201292953Y

CN201292953Y - Submersible pump with built-in controller

Info

Publication number: CN201292953Y
Application number: CNU2008200646803U
Authority: CN
Inventors: 曾凡苏
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-08-12
Filing date: 2008-08-12
Publication date: 2009-08-19
Anticipated expiration: 2018-08-12

Abstract

The utility model discloses a diving pump with a built-in controller, comprising a filtering screen, an impeller, a diving motor, an electric cavity, a power supply lead and a power supply end. The controller is arranged in the electric cavity, and a controlling switch is arranged in the controller. The controlling switch controls the diving motor to rotate or stop , and the signals of the controller is supplied by a temperature detector head, a water source detector head, a water outlet detector head and an electric quantity detector head. The utility model has the advantages that electromechanical integration is achieved because the controller is arranged in the electric cavity of the diving pump, the installation is easy, and the use is convenient; the external lines are reduced, the burnout of the diving motor during the operation of the diving pump is avoided, the power waste caused by the idling of the diving motor during the operation of the diving pump is effectively prevented, the costs of purchasing, using and maintaining is reduced, and the market competitiveness of the products is enhanced.

Description

The built-in controller submersible pump

Technical field

The utility model relates to a kind of automatic control submersible pump, especially a kind of controller is installed in submersible pump in the electric chamber of submersible pump.

Background technique

Submersible pump is a kind of water plug easily, and it is widely used in industry, agricultural, every field such as civilian.People are the method for the situation of change of water level or water level in water pool being observed with manually when using submersible pump at present, again the submersible pump power switch is carried out manual operation, determine drawing water or stopping pumping of submersible pump in this way, such method exists some narrow limitation, cause the no load running of submersible pump, thereby cause burning or waste of electric energy of motor for submerged pump.

The model utility content

The technical problems to be solved in the utility model, be that a kind of water position status or submersible motor operating condition when controller being installed in the submersible pump and can detecting submersible pump work will be provided, the built-in controller submersible pump that correlation behavior is monitored again, thereby realize monitoring, make submersible motor realize control automatically the running state of submersible pump water position status or submersible motor.

For solving the problems of the technologies described above the technical solution adopted in the utility model be: a kind of built-in controller submersible pump, form by filter screen, impeller, submersible motor, electric chamber, power lead, power end, described controller is installed in the electric chamber, the rotation of control switch control submersible motor is housed in the controller or stops, the signal of controller is to be provided by temperature detecting head, water source exploration head, water outlet detecting head, electric weight detecting head.

The output terminal of described temperature detecting head, water source exploration head, water outlet detecting head, electric weight detecting head links to each other with controller, and the test end is installed on the Check point.

The output terminal of at least a detecting head in described temperature detecting head, water source exploration head, water outlet detecting head, the electric weight detecting head links to each other with controller.

One end of described control switch major loop links to each other with power line, and the other end is connected with the corresponding power line of submersible motor.

The controller that the utility model will have the control function is installed in the electric chamber that links to each other with submersible pump, and the control parameter is detected by connected detecting head, control circuit is housed in controller, the switch of control submersible motor is housed in control circuit, goes to control the running of submersible motor or stop by this switch.This switch can be with the switch that the contact is arranged (as relay, contactor, magnetic starter etc.); Function as described in also can realizing with contactless switch (as controllable silicon, solid-state relay, Charge Coupled Device etc.).

The utility model can will be installed a kind of detecting head at least according to the submersible pump requirements of one's work provides testing signal just can finish required function to controller, the output terminal of detecting head links to each other with controller in being installed in the electric chamber of submersible pump, the test end is installed on the measuring point, detecting head is converted into electrical signal with detected controlled parameter during work, send the instruction of the switch that connects or disconnects the control submersible motor after logical circuit is judged in this electrical signal via controller, thereby make submersible pump reach the purpose of automatic running.

Adopt the submersible pump of said structure, it is compared with existing structure and has the following advantages:

Because controller is installed in the electric chamber of submersible pump, makes it become electromechanical integrated product, has simplified installation, has made things convenient for use; Reduce external cabling; Submersible motor burns when having avoided the submersible pump running; The waste of energy that submersible motor idle running causes when effectively having prevented the submersible pump running; Reduced purchase, use and maintenance cost, make product strengthen the market competitiveness.

Description of drawings

Below in conjunction with accompanying drawing and concrete mode of execution the utility model is described in further detail.

Fig. 1 is a sectional view of selling submersible pump on the existing market.

Fig. 2 is the installation sectional view that the utility model single phase poaer supply submersible pump is used for water source exploration.

Fig. 3 is the electrical schematic diagram that the utility model single phase poaer supply submersible pump is used for water source exploration.

Fig. 4 is the installation sectional view that the utility model single phase poaer supply submersible pump is used for water source exploration head and temperature detecting head.

Fig. 5 is the electrical schematic diagram that the utility model single phase poaer supply submersible pump is used for water source exploration head and temperature detecting head.

Fig. 6 is the installation sectional view of the utility model three phase mains submersible pump.

Fig. 7 is a three phase mains submersible pump electrical schematic diagram of the present utility model.

Embodiment

In order to reach above-mentioned functions of the present utility model, now its working principle and structure are described with following several embodiments.

Embodiment one

Now combine and structure and working principle that the utility model is formed with a kind of detecting head are described: at two

Ac input ends

91,92 input controllers 40 of Fig. 3 single-phase alternating current by power end 90 to being used for Fig. 2 and Fig. 3, wherein one the tunnel through transformer BT step-down, by bridge rectifier D 1 rectification, capacitor C1, C2, C3, integrated regulator IC1, diode D2 composition filter circuit of pressure-stabilizing provide stable dc power supply to control loop.Control loop by resistance R 1, resistance R 2,, resistance R 3, resistance R 4, resistance R 5 constitute control switch 41 with diode D3, voltage-stabiliser tube DW, transistor Q1, transistor Q2, LED 1, LED 2, relay J 1; High water level electrode 3, low water level electrode 2, common electrode 1, these 3 electrodes all are that lead constitutes, and form water source exploration 51 by them, survey the SEA LEVEL VARIATION situation among the water source SY, and its situation of change is converted into electrical signal, send signal to controller 40 by the connection lead of output terminal.When water source SY middle water level is lower than minimum point YB on the low water level electrode 2, the electric current of the resistance R of flowing through 1 all flows into the base stage of transistor Q1 through voltage-stabiliser tube DW, make transistor Q1 emitter and collector electrode conducting, transistor Q2 emitter and collector cut-off, relay J 1 coil does not have electricity and discharges, one group of normally opened contact J1-1, J1-3 as the relay J 1 of control switch 41 disconnect, this state has disconnected the power supply and the low water level electrode 2 of submersible motor 30, submersible motor 30 shuts down, and submersible pump does not draw water; The normally-closed contact J1-2 of relay J 1, J1-4 closure are lighted and are stopped pumping tutorial light LED2 and connect high water level electrode 3.When water source SY middle water level rose to minimum point YB on the low water level electrode 2, because of normally opened contact J1-1, the J1-3 of relay J 1 still is in off state, this moment, submersible motor 30 still kept the state that shuts down; When water level rises on the high water level electrode 9 the YA point because of normally-closed contact J1-4 closure, the electric current of the resistance R of flowing through 1 flows to common electrode 1 through the water source, the base stage of transistor Q1 does not have bias current, transistor Q1 emitter and collector cut-off, electric current on the resistance R of flowing through 2 enters transistor Q2 after resistance R 3 shuntings base stage, make transistor Q2 emitter and collector electrode conducting, relay J 1 coil gets electric adhesive, normally opened contact J1-1 as the relay J 1 of control switch, the J1-3 closure, connect the power supply of submersible motor 30, submersible motor 30 runnings, current are through filter screen 10 among the water source SY, impeller 20 enters waste pipe 93 and discharges, the normally opened contact J1-1 that drops to YB point relay J 1 of control switch when following until the water level of water source SY disconnects, submersible pump stops pumping, and like this water level is controlled at the purpose that has reached automatic control water level between high water level YA and the low water level YB.

Embodiment two

Now combining with Fig. 4 and Fig. 5 uses two kinds of detecting heads to form the diving pump structures and working principle is described as follows to being used for to the utility model: the relevant working principle that provides the stable DC electricity at Fig. 5 power supply unit as previously mentioned, in the present embodiment by resistance R 51, resistance R 52, resistance R 53, resistance R 54, resistance R 55, capacitor C 4, not circuit IC2, not circuit IC3, not circuit IC4, not circuit IC5, analog switch IC6, analog switch IC7, analog switch IC8, solid-state AC relay IC9, diode D3, diode D4, LED 51, LED 52 is formed controller 40, and wherein solid-state AC relay IC9 is in the present embodiment as control switch 41; Quick resistance R t forms motor temperature detecting head 50 by subzero temperature, the test end of the quick resistance R t of subzero temperature being formed motor temperature detecting head 50, be installed on the end cap of submersible motor 30, the lighting outlet of the quick resistance R t of subzero temperature is connected with grounding end as the input end of output terminal by not circuit IC5 in shown in Figure 5 and the controller 40; Form water level detecting head 51 by 3 leads equally, and it is installed on the Check point of required control water level height among the water source SY.Detecting submersible motor 30 temperature at temperature detecting head 50 is lower than under the setting temperature situation, the electric current of the resistance R 51 of flowing through when water source SY middle water level is lower than minimum point YB on the low water level electrode 2 is 1 at the input end of not circuit IC2, output terminal is 0, the output terminal of not circuit IC3 is 1, and the output terminal of not circuit IC4 is 0; Analog switch IC6 conducting, analog switch IC7 ends; Solid-state AC relay IC9 as control switch 41 ends, and submersible motor 30 shuts down, and submersible pump does not draw water.This state is until water source SY middle water level when rising to minimum point YA on the high water level electrode 3, and submersible motor 30 enters operating condition.By this logic judgement that goes round and begins again water level YS is controlled between high water level YA and the low water level YB, reaches the purpose of automatic control water level.

Temperature detecting head 50 is like this work: when temperature detecting head 50 detects submersible motor 30 temperature and is elevated to rating value, not circuit IC5 input end is 0, output terminal is 1, analog switch IC8 is on state, and not circuit IC5 output terminal is locked as 1, through diode D3, the output terminal that makes not circuit IC4 is 0, in the case no matter how submersible motor 30 all is in off-position to the state of water source SY middle water level, have only the electric motor protecting detecting head of working as to detect submersible motor 30 temperature below rating value, and close a floodgate again and send electricity just can make submersible pump enter working state; Can carry out water level control in this way, can protect submersible motor again.

Embodiment three

Electric chamber 70 is mounted in submersible motor 30 sides in Fig. 6, with screw or other method electric apparatus chamber 70 and submersible pump remaining part are linked together during assembling and become an overall structure, therefore electric chamber 70 can link into an integrated entity with it as required at each position, become the built-in controller submersible pump, and note water-tight.Now with Fig. 7 the utility model is formed the diving pump structures with four kinds of detecting heads and working principle is described as follows: the relevant working principle that power supply unit provides the stable DC electricity in Fig. 7 as previously mentioned, in the present embodiment by resistance R 70, resistance R 71, resistance R 72, resistance R 73, resistance R 74, resistance R 75, resistance R 76, resistance R 77, resistance R 78, resistance R 79, resistance R 710, resistance R 711, resistance R 712, resistance R 713, capacitor C 70, capacitor C 71, capacitor C 72, capacitor C 73, not circuit IC72, not circuit IC73, not circuit IC74, not circuit IC75, analog switch IC76, analog switch IC77, analog switch IC78, analog switch IC79, comparator IC710, comparator IC711, comparator IC712, comparator IC713, AND circuit IC714, LED 70, LED 71, LED 72, LED 73, unidirectional controllable silicon S CR70, unidirectional controllable silicon S CR71, unidirectional controllable silicon S CR72, unidirectional controllable silicon S CR73, voltage-stabiliser tube DW, diode D70, diode D71, diode D72, diode D73, diode D74, diode D75, diode D76, diode D77, adjustable resistance W70, adjustable resistance W71, adjustable resistance W72, field effect transistor Q7, contactor J7 forms controller 40, and wherein contactor J7 is in the present embodiment as control switch 41; Quick resistance R t forms motor temperature detecting head 50 by subzero temperature, form electric weight detecting head 53 by mutual inductor L1, L2, L3, its function is to detect the operating current state of

submersible motor

30, and 3 leads are formed water level detecting head 51, form water level in water pool detecting head 52 by 3 leads equally.The electric current of the resistance R 74 of flowing through when water source SY middle water level is lower than minimum point YB on the low water level electrode 2 during work is 1 at the input end of not circuit IC75, output terminal is 0, the output terminal of not circuit IC74 is 1, and LED 72 is luminous, expression water source SY lack of water; The input end of the AND circuit IC714 of the output terminal of connection not circuit IC75 is 0, the output terminal of AND circuit IC714 is 0, field effect transistor Q7 ends, contactor J7 outage as control switch 41, its normally opened contact J7-1, J7-2, J7-3 also disconnect simultaneously, submersible motor 30 shuts down, and submersible pump does not draw water.This state is until water source SY middle water level when rising to minimum point YA on the high water level electrode 3, IC78 is on state because of analog switch, the input end that makes not circuit IC75 is 0, output terminal is 1, the output terminal of not circuit IC74 is 0, if at this moment the output terminal of comparator IC10 is 0, and when pond SC middle water level is lower than low water level CB point on the electrode 5, an input end that connects the AND circuit IC714 of not circuit IC73 output terminal is 1, the output terminal of AND circuit IC714 is 1, field effect transistor Q7 conducting, contactor J7 closure, submersible motor 30 runnings, submersible pump draws water; This state is maintained to water source SY middle water level when being lower than the minimum point YB of low water level electrode 2, as long as be 0 because of the input end of AND circuit IC714 has an input end when perhaps SC middle water level in pond rises to CA point on the high water level electrode 6, contactor J7 just disconnects, submersible motor 30 shuts down, and submersible pump does not draw water.This state is until water source SY middle water level rises to the YA point, and when pond SC middle water level dropped to the CB point simultaneously, submersible motor 30 just entered operating condition.By this logic judgement that goes round and begins again water source SY middle water level is controlled between high water level YA and the low water level YB, or pond SC middle water level is controlled between high water level CA and the low water level CB, reached the purpose of automatic control control water source SY water level and pond SC middle water level.

Temperature detecting head 50 is like this work: submersible motor 30 is at overcurrent not also not under the state of phase shortage, when temperature detecting head 50 detects submersible motor 30 temperature and is elevated to rating value, comparator IC713-to hold be 0, output terminal is 1, and through diode D71 enter comparator IC710+the input end output terminal, controllable silicon SCR 73 conductings, and to make the input end of continuous AND circuit IC714 be low potential, AND circuit IC714 output terminal is 0, in the case no matter how submersible motor 30 all is in powering-off state to the state of water source SY middle water level and pond SC middle water level, have only the temperature detecting head of working as to detect submersible motor 30 temperature below rating value, and close a floodgate again and send electricity just can make submersible pump enter working state.

The overcurrent working principle is such: normal in submersible motor 30 temperature, motor is not again under the state of phase shortage, because of mutual inductor L1, because of mutual inductor L2, L3 joins end to end because of mutual inductor, and formation electric weight detecting head 53, if submersible motor 30 overcurrents, induced voltage raises, diode D77 rectification is after diode D76 makes comparator IC712 output terminal is 1, by diode D73 enter comparator IC710+input end, the output terminal of comparator IC710 is 1, controllable silicon SCR 73 conductings, and to make the input end of continuous AND circuit IC714 be low potential, in the case no matter how submersible motor 30 all is in powering-off state to the state of water source SY middle water level and pond SC water level, has only when electric weight detecting head 53 to detect submersible motor 30 electric currents below rating value, and close a floodgate again and send electricity just can make submersible pump enter working state.Submersible motor phase shortage working principle; Electric weight detecting head 53 detects A; B; in the C three-phase during any phase phase shortage; the detection voltage that is input to comparator IC711-end will be lower than setting value at this moment comparator IC711 be output as 1 at output terminal; through diode D74 enter comparator IC710+input end; output terminal is 1; make controllable silicon SCR 73 conductings; an input end that links to each other with AND circuit IC714 is 0; AND circuit IC714 output terminal is 0; in the case no matter how submersible motor 30 all is in powering-off state to the state of water source SY middle water level and pond SC water level; have only when the electric motor protecting detecting head detect submersible motor 30 three-phases normal after, and close a floodgate again and send electricity just can make submersible pump enter working state.

This need to prove light emitting diode is arranged among above three embodiments the loop only in working process as the demonstration of relevant parameter state; During use because of in electric chamber 70, observing working state.

In sum as long as controller is installed in the electric chamber 70; there is detecting head that submersible pump work had related parameter to pass to controller to handle again; and connect the line related line 60 of control submersible motors 30, and control the submersible pump operation in this way or submersible pump structure out of service all drops in the rights protection scope of the utility model patent by the control switch 41 of controller 40.

Claims

1. built-in controller submersible pump, form by filter screen (10), impeller (20), submersible motor (30), electric chamber (70), power lead (80), power end (90), its spy is: described controller (40) is installed in the electric chamber (70), the rotation of control switch (41) control submersible motor (30) is housed in the controller (40) or stops, the signal of controller (40) is to be provided by temperature detecting head (50), water source exploration head (51), water outlet detecting head (52), electric weight detecting head (53).

2. built-in controller submersible pump according to claim 1, it is characterized in that: the output terminal of described temperature detecting head (50), water source exploration head (51), water outlet detecting head (52), electric weight detecting head (53) links to each other with controller (40), and the test end is installed on the Check point.

3. built-in controller submersible pump according to claim 1 and 2 is characterized in that: in described temperature detecting head (50), water source exploration head (51), water outlet detecting head (52), the electric weight detecting head (53)

The output terminal of at least a detecting head links to each other with controller (40).

4. built-in controller submersible pump according to claim 1 is characterized in that: an end of described control switch (41) major loop links to each other with power line (80), and the other end is connected with the corresponding power line (60) of submersible motor (30).