CN201994816U

CN201994816U - Motor for water pump

Info

Publication number: CN201994816U
Application number: CN2011200991400U
Authority: CN
Inventors: 姜俊
Original assignee: Suzhou Woda Garden Machinery Co ltd
Current assignee: Suzhou Woda Garden Machinery Co ltd
Priority date: 2011-04-07
Filing date: 2011-04-07
Publication date: 2011-09-28
Anticipated expiration: 2021-04-07
Also published as: DE202011050651U1

Abstract

A motor for a water pump comprises a rotor shaft, a steel sleeve, a rotor, at least one pair of permanent magnets, a main controller and an electronic commutator, wherein the steel sleeve is sleeved on the rotor shaft, the rotor is sleeved on the periphery of the steel sleeve, the permanent magnets are symmetrically fixed on the inner wall of the rotor, the electronic commutator is arranged at a power input end of the motor, an electronic commutating circuit is printed on the electronic commutator, and a main control circuit is printed on the main controller. Further, the electronic commutating circuit comprises a commutating module connected with a power input circuit of the motor, the main control circuit comprises an output end and a main control module connected with an input end of a commutating module, and an input end of the main control module is further connected with a voltage management module used for reducing high voltage to low voltage adaptable to the main control module. Capacitive commutating and carbon brush commutating are replaced by electronic commutating, and thereby efficiency and revolution of the motor are increased while energy sources are saved.

Description

A kind of motor that is used for water pump

Technical field

The utility model relates to a kind of motor that is used for water pump.

Background technology

The motor that is used at present on the water pump is the induction machine that has electric capacity, the series excited machine of commutation carbon brush mostly, owing to adopt induction machine, these efficiency of motor are all lower, and efficient can only arrive 30%～40%, has caused bigger waste; Rotating speed also can only reach about 2800, and operating efficiency is not high enough; And series excited machine is subjected to carbon brush life-span and noise restriction to be unfavorable for the purposes of water pump series products is promoted.And above two types motor all do not have human-computer interaction function, can not reflect the operating state of water pump in real time, makes staff's comparatively inconvenience when using water pump.

The utility model content

The purpose of this utility model is to provide the motor that is used for water pump that a kind of efficient is high and can carry out man-machine interaction.

For addressing the above problem the scheme that the utility model adopts be: a kind of motor that is used for water pump, it comprises: armature spindle, be set in the steel bushing on the described armature spindle, be set in the rotor of steel bushing periphery, at least one pair of is symmetrically fixed on the permanent magnet of rotor inner wall, the electronic commutator that it also comprises master controller and is arranged on the motor power input, be printed with the electronic commutation circuit on the described electronic commutator, be printed on main control circuit on the described master controller, the electronic commutation circuit comprises the inverting module that is connected with the motor power input circuit, main control circuit comprises the master control module that output is connected with the input of described inverting module, and described master control module input also is connected with the voltage management module of the low-voltage that high voltage drop to master control module is suitable for.

For monitoring manifold pressure in real time, be connected with pressure sensor on the described master controller, described pressure sensor is arranged in the pipeline of the motor-driven pump housing, be printed with pressure sensor circuit on the described pressure sensor, this pressure sensor circuit comprises the pressure sensitive module that links to each other with the master control module input.

Further, for real motor is controlled automatically, be connected with flow sensor on the described master controller, described flow sensor is arranged in the pipeline of the motor-driven pump housing, be printed with the flow sensing circuit on the described flow sensor, this flow sensing circuit comprises the flow sensing module that links to each other with the master control module input.

Optimize, be connected with control button on the described master controller, the control button of stating is arranged on the motor.

Further, the output of described main control circuit is connected with the display circuit of video data, and the display tube of described display circuit is arranged on the motor.

Optimize, described master controller is the mcu single-chip microcomputer.

The utility model compared with prior art has the following advantages: adopt electronic commutation to replace the series excited machine that commutates with electric capacity induction machine and carbon brush, improved efficiency of motor and rotating speed, saved the energy; On master controller, be connected with pressure sensor, monitor manifold pressure in real time, in case just power cutoff of off-rating; Connection traffic transducer on master controller has the current process in pipeline, and flow reaches rated value, and master controller just starter motor carries out work, thereby has realized that anhydrous defencive function protected water pump safe in utilization; The button and the display tube that are arranged on the motor make motor have human-computer interaction function.

Description of drawings

Accompanying drawing 1 is the structural scheme of mechanism of the utility model motor;

Accompanying drawing 2 is the fundamental diagram of the utility model motor;

Accompanying drawing 3 is led circuit figure;

Accompanying drawing 4 is the control circuit figure of mcu single-chip microcomputer;

Accompanying drawing 5 is commutating circuit figure;

Accompanying drawing 6 is electric power management circuit figure;

Accompanying drawing 7 is pressure sensor circuit figure;

Accompanying drawing 8 is the flow sensing circuit diagram;

Wherein: 1, motor; 2, the pump housing; 3, display tube; 5, commutator; 6, controller; 7, pressure sensor; 8, flow sensor; 9, control button; 11, armature spindle; 12, steel bushing; 13, rotor; 14, permanent magnet; 51, inverting module; 21, outlet pipe; 61, master control module; 71, pressure sensitive module; 81, flow sensing module;

Embodiment

Below in conjunction with accompanying drawing the utility model is described in further details:

Shown in the accompanying drawing 1, this motor comprises: armature spindle 11, be set in steel bushing 12 on the described armature spindle 11, be located at the steel bushing periphery rotor 13, at least one pair of is symmetrically fixed on the permanent magnet 14 of rotor 13 inwalls, it also comprises master controller 6 that the mcu single-chip microcomputer is made and the electronic commutator 5 that is arranged on the motor power input.

Shown in Fig. 2,5, in the present embodiment, be printed with the electronic commutation circuit on the described electronic commutator 5, be printed on main control circuit on the described master controller 6, the electronic commutation circuit comprises the inverting module 51 that is connected with the motor power input circuit, main control circuit comprises the master control module 61 that output is connected with the input of described inverting module 51, and described master control module 61 inputs also are connected with the voltage management module 62 of the low-voltage that high voltage drop to master control module 61 is suitable for.

Shown in Fig. 1,7, for improving the automaticity of motor, be connected with pressure sensor 7 on the described master controller 6, described pressure sensor 7 is arranged in the pump housing 2 of motor 1 driving, be printed with pressure sensor circuit on the described pressure sensor 7, this pressure sensor circuit comprises the pressure sensitive module 71 that links to each other with master control module 61 inputs; Shown in Fig. 1,8, be connected with flow sensor 8 on the described master controller 6, described flow sensor 8 is arranged in outlet pipe 21 mouths of pipe of the pump housing that motor 1 drives, be printed with the flow sensing circuit on the described flow sensor 8, this flow sensing circuit comprises the flow sensing module 81 that links to each other with master control module 61 inputs.

Shown in Fig. 1,3, for better realizing human-computer interaction function, be connected with the button 9 of control motor rotation on the described master controller 6, described button 9 is arranged on the motor 1.The output of described main control circuit is connected with the display circuit that is used for video data, and the display tube 3 of described display circuit is arranged on the motor 1.

In the present embodiment, this motor 1 can manually boot also automatically starting.Manually booting only needs to control by the operation of 9 pairs of motors 1 of control button; When needs start automatically, enable pressure sensor 7, when the pressure of current generation is arranged in pressure inductor 7 is sensed the pump housing 2, pressure sensor 7 sends the signal of sensing to master controller 6,6 pairs of signals of master controller are handled it, when hydraulic pressure reached certain value, master controller 6 sent signal enabling motor 1.When water flow pressure was excessive or too small in the pump housing 2, pressure sensor 7 transmitted signals to master controller 6, and master controller 6 control motors 1 shut down motor 1; The flow sensor 8 that outlet pipe 21 places of the pump housing 2 are provided with is by the judgement to the water flow size; the control that realization is turned round/stopped motor 1; when being out of order, pressure sensor 7 quits work; have current to flow to outlet pipe 21 simultaneously, flow sensor 8 is sent to master controller 6 with the signal of sensing, and master controller stream is judged signal; when current reach certain value; starter motor 1 stops motor 1 running when current are too small or excessive, realize the duplicate protection to water pump.

Above-mentioned combination is illustrated the utility model institute preferred embodiment; but the foregoing description can not be interpreted as the restriction to the utility model protection range; all equivalences of being done according to the utility model spirit change or modify; as master controller being changed into other single-chip microcomputers; on motor, set up transducer of other functions or the like for another example, all should be encompassed within the protection range of the present utility model.

Claims

1. motor that is used for water pump, it comprises: armature spindle (11), be set in the steel bushing (12) on the described armature spindle (11), be set in the rotor (13) of steel bushing periphery, at least one pair of is symmetrically fixed on the permanent magnet (14) of rotor (13) inwall, it is characterized in that: the electronic commutator (5) that it also comprises master controller (6) and is arranged on the motor power input, described electronic commutator is printed with the electronic commutation circuit on (5), described master controller is printed on main control circuit on (6), the electronic commutation circuit comprises the inverting module (51) that is connected with the motor power input circuit, main control circuit comprises the master control module (61) that output is connected with the input of described inverting module (51), and described master control module (61) input also is connected with the voltage management module (62) of the low-voltage that high voltage drop to master control module (61) is suitable for.

2. a kind of motor that is used for water pump according to claim 1, it is characterized in that: be connected with pressure sensor (7) on the described master controller (6), described pressure sensor (7) is arranged in the pump housing (2) of motor (1) driving, described pressure sensor is printed with pressure sensor circuit on (7), and this pressure sensor circuit comprises the pressure sensitive module (71) that links to each other with master control module (61) input.

3. a kind of motor that is used for water pump according to claim 1, it is characterized in that: be connected with flow sensor (8) on the described master controller (6), described flow sensor (8) is arranged on outlet pipe (21) mouth of pipe of the pump housing (2) of motor (1) driving, described flow sensor is printed with the flow sensing circuit on (8), and this flow sensing circuit comprises the flow sensing module (81) that links to each other with master control module (61) input.

4. a kind of motor that is used for water pump according to claim 1 is characterized in that: described master controller (6) is connected with the button (9) of control motor rotation, and described button (9) is arranged on the motor (1).

5. a kind of motor that is used for water pump according to claim 1, it is characterized in that: the output of described main control circuit is connected with the display circuit (31) that is used for video data, and the display tube (3) of described display circuit (31) is arranged on the motor (1).

6. a kind of motor that is used for water pump according to claim 1 is characterized in that: described master controller (6) is the mcu single-chip microcomputer.