CN212106169U

CN212106169U - Environment-friendly vector control metering pump

Info

Publication number: CN212106169U
Application number: CN202020286196.6U
Authority: CN
Inventors: 于洪伟; 王伟; 常驰; 郑伟
Original assignee: Prominent Fluid Control Dalian Co ltd
Current assignee: Prominent Fluid Control Dalian Co ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-12-08
Anticipated expiration: 2030-03-10

Abstract

The utility model belongs to the technical field of the measuring pump, especially, an environment-friendly vector control measuring pump, the top of measuring pump is connected with the motor, the output shaft end of motor is connected with the worm, the position of worm locates the inside of measuring pump, the inside of measuring pump is connected with the worm wheel, the worm is connected with the worm wheel transmission, the top inboard of measuring pump is connected with the rotational speed sensor; the utility model discloses a set up speed sensor, stroke position sensor and position sensor, speed sensor detects the rotational speed of motor output shaft, and give the controller with the signal transmission, position sensor detects the position of bent axle, and give the controller with the signal transmission, the controller receives the signal after, calculate the signal through vector control, thereby the rotational speed of control motor and the torque of motor, thereby realize the worm wheel when the negative half cycle, the little torque of motor output, when the worm wheel is when the positive half cycle, the big torque of motor output, the drive diaphragm exports the liquid medicine, energy saving has been reached, the effect of high-efficient work.

Description

Environment-friendly vector control metering pump

Technical Field

The utility model belongs to the technical field of the measuring pump, concretely relates to environment-friendly vector control measuring pump.

Background

The metering pump realizes reciprocating motion under the action of the driving mechanism to complete the processes of suction and discharge.

The prior art has the following problems: the working mode of the metering pump is that the worm and gear are driven by the motor, and then the crankshaft is driven to drive the diaphragm to work, and the crankshaft is of an eccentric structure, so that the motor does not work for 50% of time when working, and the torque of the motor is insufficient at low frequency.

Disclosure of Invention

In order to solve the problems in the background art, the utility model provides an environment-friendly vector control metering pump, which has the characteristic of improving the motor torque of a useful work part.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an environment-friendly vector control measuring pump, includes the measuring pump, the top of measuring pump is connected with the motor, the output shaft end connection of motor has the worm, the position of worm is located the inside of measuring pump, the internal connection of measuring pump has the worm wheel, the worm with the worm wheel transmission is connected, the top inboard of measuring pump is connected with speed sensor, the lateral wall of motor is connected with the controller, top one side of measuring pump is connected with stroke position sensor, the rear side of worm is connected with the eccentric shaft, the eccentric shaft with the measuring pump rotates the connection, the bottom inboard of measuring pump is connected with position sensor, the motor the measuring pump with the controller all with external power source electric connection.

In a preferred embodiment, the position of the revolution speed sensor is arranged on the top end outer side wall of the worm.

In a preferred embodiment, a wear pad is attached to the connection of the controller and the motor.

In a preferred embodiment, the position sensor is located on a side of the worm remote from the stroke position sensor.

In a preferred embodiment, the wear pad is internally provided with a resilient pad.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up speed sensor, stroke position sensor and position sensor, speed sensor detects the rotational speed of motor output shaft, and transmit the signal to the controller, position sensor detects the position of bent axle, and transmit the signal to the controller, the controller receives the signal after, calculate the signal through vector control, thereby the rotational speed of control motor and the torque of motor, thereby realize that the worm wheel is when the negative half cycle, the motor outputs little torque, when the worm wheel is when the positive half cycle, the motor outputs big torque, the drive diaphragm exports the liquid medicine, the energy saving has been reached, the effect of high-efficient work, thereby the effect of environmental protection has been reached;

2. the utility model discloses a set up the abrasionproof pad between motor and controller, the motor during operation can vibrate, and the abrasionproof pad can avoid motor and controller to take place wearing and tearing, reaches the effect of protection electrical equipment, sets up the cushion in the abrasionproof pad, and the cushion can cushion the vibration of motor during operation, reaches the effect of protection controller.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic structural view of the present invention in overall section;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged schematic view of a portion B of FIG. 1 according to the present invention;

fig. 4 is a schematic structural diagram of the motor and the controller of fig. 1 according to the present invention;

in the figure: 1. a motor; 2. a metering pump; 3. a controller; 4. a stroke position sensor; 5. a worm gear; 6. a worm; 7. a rotational speed sensor; 8. a position sensor; 9. an anti-wear pad; 10. an elastic pad; 11. an eccentric shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides an environment-friendly vector control measuring pump, including measuring pump 2, the top of measuring pump 2 is connected with motor 1, the output shaft end connection of motor 1 has worm 6, the inside of measuring pump 2 is located to the position of worm 6, the internal connection of measuring pump 2 has worm wheel 5,

worm

6 and 5 transmission connections of worm wheel, the top inboard of measuring pump 2 is connected with speed sensor 7, the lateral wall of motor 1 is connected with controller 3, top one side of measuring pump 2 is connected with stroke position sensor 4, the rear side of worm 6 is connected with eccentric shaft 11, eccentric shaft 11 and measuring pump 2 rotate to be connected, the bottom inboard of measuring pump 2 is connected with position sensor 8, motor 1, measuring pump 2 and controller 3 all with external power source electric connection.

In this embodiment: through setting up speed sensor 7, stroke position sensor 4 and position sensor 8, speed sensor 7 detects the rotational speed of the output shaft of motor 1, and give controller 3 with the signal transmission, position sensor 8 detects the position of bent axle, and give controller 3 with the signal transmission, after controller 3 received the signal, calculate the signal through vector control, thereby control motor 1's rotational speed and motor 1's torque, thereby realize worm wheel 5 when the negative half cycle, motor 1 outputs little torque, when worm wheel 5 is when the positive half cycle, motor 1 outputs big torque, the drive diaphragm exports the liquid medicine, energy saving has been reached, the effect of high-efficient work, thereby the effect of environmental protection has been reached.

Specifically, the position of the rotating speed sensor 7 is arranged on the outer side wall of the top end of the worm 6; the output shaft of the motor 1 rotates and drives the worm 6 to rotate, and the rotating speed sensor 7 can rapidly detect the rotating speed of the worm 6, so that the rotating speed of the motor 1 is detected.

Specifically, an anti-abrasion pad 9 is connected to the joint of the controller 3 and the motor 1; through set up abrasionproof pad 9 between motor 1 and controller 3, motor 1 during operation can vibrate, and abrasionproof pad 9 can avoid motor 1 and controller 3 to take place wearing and tearing, reaches the effect of protection electrical equipment.

Specifically, the position sensor 8 is arranged on one side of the worm 6 far away from the stroke position sensor 4; worm 6 rotates and can drive worm wheel 5 and rotate to drive eccentric shaft 11 and rotate, stroke position sensor 4 can detect eccentric shaft 11's turning radius, position sensor 8 can detect the position of bent axle, speed sensor 7 can detect motor 1's rotational speed, give controller 3 back with signal transmission, controller 3 can calculate through the detected signal, the rotational speed of rethread vector control motor 1, thereby reach energy-conserving effect.

Specifically, an elastic pad 10 is arranged inside the anti-abrasion pad 9; the elastic pad 10 is arranged in the wear-resistant pad 9, and the elastic pad 10 can buffer the vibration of the motor 1 during working, so that the controller 3 is protected.

The utility model discloses a theory of operation and use flow: when the metering pump 2 works, the output shaft of the motor 1 rotates and drives the worm 6 to rotate, the worm 6 rotates to drive the worm wheel 5 to rotate, so as to drive the eccentric shaft 11 to rotate, the stroke position sensor 4 can detect the rotating radius of the eccentric shaft 11, the position sensor 8 can detect the position of a crankshaft, the rotating speed sensor 7 can detect the rotating speed of the motor 1, after signals are transmitted to the controller 3, the controller 3 can calculate through detecting signals, and then respectively control the rotating speed of the motor 1 and the torque of the motor 1 in a space vector control mode, so that when the worm wheel 5 is in a negative half period, the motor 1 outputs small torque, when the worm wheel 5 is in a positive half period, the motor 1 outputs large torque, and the diaphragm is driven to output liquid medicine, so that the effects of energy conservation and high-efficiency work are achieved, so that the effect of environmental protection is achieved, and more control modes are provided for the, can be through position sensor 8's detection, through controller 3 driving motor 1's rotational speed and moment of torsion, realize the effect of the slow discharge liquid medicine of quick suction liquid medicine to and the effect of the fast discharge liquid medicine of slow suction liquid medicine, when discharging the liquid medicine, through the torque current component of vector control mode control, provide sufficient moment of torsion for motor 1, through controlling the 1 rotational speed of field current component control motor, this control mode's application, can effectual energy-conserving 20%.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an environment-friendly vector control measuring pump, includes measuring pump (2), the top of measuring pump (2) is connected with motor (1), its characterized in that: the end part of an output shaft of the motor (1) is connected with a worm (6), the position of the worm (6) is arranged in the metering pump (2), the interior of the metering pump (2) is connected with a worm wheel (5), the worm (6) is in transmission connection with the worm wheel (5), the inner side of the top end of the metering pump (2) is connected with a rotating speed sensor (7), the outer side wall of the motor (1) is connected with a controller (3), one side of the top end of the metering pump (2) is connected with a stroke position sensor (4), the rear side of the worm (6) is connected with an eccentric shaft (11), the eccentric shaft (11) is rotationally connected with the metering pump (2), the inner side of the bottom end of the metering pump (2) is connected with a position sensor (8), the motor (1), the metering pump (2) and the controller (3) are all electrically connected with an external power supply.

2. The environment-friendly vector control metering pump according to claim 1, characterized in that: the position of the rotating speed sensor (7) is arranged on the outer side wall of the top end of the worm (6).

3. The environment-friendly vector control metering pump according to claim 1, characterized in that: the joint of the controller (3) and the motor (1) is connected with an anti-abrasion pad (9).

4. The environment-friendly vector control metering pump according to claim 1, characterized in that: the position sensor (8) is arranged on one side, away from the stroke position sensor (4), of the worm (6).

5. The environment-friendly vector control metering pump according to claim 3, wherein: an elastic pad (10) is arranged inside the wear-proof pad (9).