CN210829759U

CN210829759U - Sewage pump with automatic blockage identification and reverse clearing functions

Info

Publication number: CN210829759U
Application number: CN201921434579.7U
Authority: CN
Inventors: 李洋; 郭军; 周春学; 李晓辉; 令狐梦盼
Original assignee: Shanxi Jiezhou Heshengxing Pump Co ltd
Current assignee: Shanxi Jiezhou Heshengxing Pump Co ltd
Priority date: 2019-08-31
Filing date: 2019-08-31
Publication date: 2020-06-23
Anticipated expiration: 2029-08-31

Abstract

The utility model discloses a sewage pump with automatic identification blocks up reversal clear function, including support body subassembly, drive assembly, pump body subassembly, control assembly and damper assembly, pump body subassembly includes the outer cover body, pump cover, snail shape pump case, water course, water inlet, delivery port, sealing sleeve and pressure sensor, one side of the outer cover body can be dismantled and be connected with the pump cover, the inside wall of the outer cover body is fixedly connected with the snail shape pump case; pressure sensor detects the inside pressure value of the pump body, and make pressure sensor be connected with the pressure sensing chip among the control assembly, make pressure sensor feed back the pressure value in with the pump body to pressure sensing chip department, when the pump body is inside to take place to block up, the inside pressure of the pump body risees, make pressure sensing chip start positive and negative rotation controller, positive and negative rotation controller changes the direction of rotation of three-phase motor, thereby make the impeller reversal, produce reverse centrifugal force, thereby make the reverse discharge of plug, reach the purpose of clearance, time saving and labor saving.

Description

Sewage pump with automatic blockage identification and reverse clearing functions

Technical Field

The utility model relates to a sewage pump technical field specifically is a sewage pump with automatic identification blocks up reversal clear function.

Background

The sewage pump belongs to one of centrifugal impurity pumps, and has various forms: such as a submersible type and a dry type, the most common submersible type is a QW type submersible sewage pump, and the most common dry type is a W type horizontal sewage pump and a WL type vertical sewage pump. The device is mainly used for conveying urban sewage, excrement or liquid containing fibers. The temperature of the medium, which is a solid particle such as paper dust, is usually not higher than 80 ℃. The conveyed medium contains fiber matter easy to twine or bunch. Therefore, the flow passage of the pump is easy to block, once the pump is blocked, the pump cannot work normally, and even the motor is burnt, so that the sewage discharge is not smooth. Bringing serious influence to city life and environmental protection. Therefore, anti-blocking performance and reliability are important factors of the advantages and disadvantages of the sewage pump, if the sewage pump is blocked when in work, the impeller in the pump body is blocked, the current of the motor is increased, the current protector is adopted for protecting the motor of the existing sewage pump, when the current is too large, the motor is directly stopped to work, however, the blockage cannot be timely cleared away in the mode, manual clearing is needed, time and labor are wasted, and therefore the sewage pump with the function of automatically recognizing the blockage and reversely clearing is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage pump with automatic identification blocks up reversal clear function to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: sewage pump with automatic identification blocks up reversal clear function, including support body subassembly, drive assembly, pump body subassembly, control assembly and damper assembly, pump body subassembly includes the dustcoat body, pump cover, spiral pump case, water course, water inlet, delivery port, sealing sleeve and pressure sensor, one side of the dustcoat body can be dismantled and be connected with the pump cover, the inside wall fixedly connected with of the dustcoat body the spiral pump case, one side of spiral pump case is equipped with the water course, the one end of water course is equipped with the water inlet, the lateral wall fixedly connected with of pump cover the delivery port, the lateral wall of the dustcoat body is equipped with sealing sleeve, and sealing sleeve runs through the dustcoat body, sealing sleeve's inside wall fixedly connected with pressure sensor, control assembly includes terminal box, switch, hardware interface, positive and negative rotation controller, The upper surface of the junction box is provided with the switch, the outer side wall of the junction box is provided with the hardware interface, and the inside of the junction box is provided with the forward and reverse rotation controller, the pressure sensing chip and the current protection module.

As further preferable in the present technical solution: the support body subassembly includes pump frame, rubber-damping pad and base, the bottom fixedly connected with of pump frame rubber-damping pad, install the inside wall of pump frame the base.

As further preferable in the present technical solution: the driving assembly comprises a three-phase motor and an impeller, and an output shaft of the three-phase motor is fixedly connected with the impeller.

As further preferable in the present technical solution: the shock absorption assembly comprises a motor base, a shock absorption plate, a fixing bolt and a shock absorption damper, the motor base is located on the outer side wall of the three-phase motor, the bottom of the motor base is fixedly connected with the shock absorption plate, the upper surface of the shock absorption plate is fixedly connected with the fixing bolt, and the bottom of the shock absorption plate is fixedly connected with the shock absorption damper.

As further preferable in the present technical solution: and the upper end and the lower end of the outer surface of the pump cover are respectively provided with a water injection end and a water outlet end.

As further preferable in the present technical solution: the electrical input end of the three-phase motor is electrically connected with the electrical output end of the forward and reverse rotation controller, and the signal output end of the pressure sensor is electrically connected with the signal input end of the pressure sensing chip.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up sealed sleeve on the cover body, sealed sleeve's inside sets up pressure sensor, make sealed sleeve seal pressure sensor, pressure sensor detects the inside pressure value of the pump body, and make pressure sensor be connected with the pressure sensing chip among the control assembly, make pressure sensor feed back the pressure value in with the pump body to pressure sensing chip department, when the inside jam that takes place of the pump body, the inside pressure of the pump body risees, make pressure sensing chip start positive and negative rotation controller, positive and negative rotation controller changes three phase machine's direction of rotation, thereby make the impeller reversal, produce reverse centrifugal force, thereby make the reverse discharge of plug, reach the purpose of clearance, time saving and labor saving.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view of the pump body assembly of the present invention;

FIG. 3 is a sectional view of the control assembly of the present invention;

FIG. 4 is an enlarged schematic view of the area A of FIG. 1 according to the present invention;

fig. 5 is a circuit diagram of the forward/reverse rotation controller of the present invention.

In the figure: 10. a frame assembly; 11. a pump frame; 12. a shock-absorbing rubber pad; 13. a base; 20. a drive assembly; 21. a three-phase motor; 22. an impeller; 30. a pump body assembly; 31. an outer cover body; 32. a pump cover; 321. a water injection end; 322. a water outlet end; 33. a volute shaped pump casing; 34. a water channel; 35. a water inlet; 36. a water outlet; 37. a sealing sleeve; 38. a pressure sensor; 40. a control component; 41. a junction box; 42. a switch; 43. a hardware interface; 44. a forward and reverse rotation controller; 45. a pressure sensing chip; 46. a current protection module; 50. a shock absorbing assembly; 51. a motor base; 52. a damper plate; 53. fixing the bolt; 54. a shock absorbing damper.

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. 1-5, the present invention provides a technical solution: the sewage pump with the function of automatically identifying blockage and reversely clearing comprises a frame body assembly 10, a driving assembly 20, a pump body assembly 30, a control assembly 40 and a damping assembly 50, wherein the pump body assembly 30 comprises an outer cover body 31, a pump cover 32, a volute pump shell 33, a water channel 34, a water inlet 35, a water outlet 36, a sealing sleeve 37 and a pressure sensor 38, one side of the outer cover body 31 is detachably connected with the pump cover 32, the inner side wall of the outer cover body 31 is fixedly connected with the volute pump shell 33, one side of the volute pump shell 33 is provided with the water channel 34, one end of the water channel 34 is provided with the water inlet 35, the outer side wall of the pump cover 32 is fixedly connected with the water outlet 36, the outer side wall of the outer cover body 31 is provided with the sealing sleeve 37, the sealing sleeve 37 penetrates through the outer cover body 31, and the inner side wall of, the control assembly 40 comprises a junction box 41, a switch 42, a hardware interface 43, a forward and reverse rotation controller 44, a pressure sensing chip 45 and a current protection module 46, wherein the switch 42 is arranged on the upper surface of the junction box 41, the hardware interface 43 is arranged on the outer side wall of the junction box 41, and the forward and reverse rotation controller 44, the pressure sensing chip 45 and the current protection module 46 are arranged inside the junction box 41.

In this embodiment, the model of the three-phase motor 21 is Y2, the model of the pressure sensor 38 is T2000, the model of the forward/reverse rotation controller 44 is SAR530T30DY/DA, the model of the pressure sensing chip 45 is SI4432, the model of the current protection module 46 is SRMDQ-40A, and the model of the damping damper 54 is ZD.

In this embodiment, specifically: the frame body assembly 10 comprises a pump frame 11, a shock-absorbing rubber pad 12 and a base 13, the shock-absorbing rubber pad 12 is fixedly connected to the bottom of the pump frame 11, and the base 13 is installed on the inner side wall of the pump frame 11; the pump frame 11 supports the sewage pump, the shock-absorbing rubber pads 12 reduce the vibration of the sewage pump, and the base 13 supports the three-phase motor 21.

In this embodiment, specifically: the driving assembly 20 comprises a three-phase motor 21 and an impeller 22, and an output shaft of the three-phase motor 21 is fixedly connected with the impeller 22; the three-phase motor 21 rotates the impeller 22.

In this embodiment, specifically: the shock absorption assembly 50 comprises a motor base 51, a shock absorption plate 52, a fixing bolt 53 and a shock absorption damper 54, wherein the motor base 51 is positioned on the outer side wall of the three-phase motor 21, the shock absorption plate 52 is fixedly connected to the bottom of the motor base 51, the fixing bolt 53 is fixedly connected to the upper surface of the shock absorption plate 52, and the shock absorption damper 54 is fixedly connected to the bottom of the shock absorption plate 52; by arranging the damping plate 52 at the bottom of the motor base 51 and the damping damper 54 at the bottom of the damping plate 52, when the three-phase motor 21 operates, the vibration generated by the three-phase motor 21 is damped by the damping damper 54, and the noise generated by the sewage pump is further reduced.

In this embodiment, specifically: the upper end and the lower end of the outer surface of the pump cover 32 are respectively provided with a water injection end 321 and a water outlet end 322; the water injecting end 321 is connected to an external water source to fill the outer cover 31 with water, and the water outlet end 322 discharges the water.

In this embodiment, specifically: an electrical input end of the three-phase motor 21 is electrically connected with an electrical output end of the forward and reverse rotation controller 44, and a signal output end of the pressure sensor 38 is electrically connected with a signal input end of the pressure sensing chip 45; the forward/reverse rotation controller 44 controls the rotation direction of the three-phase motor 21, and the pressure sensor 38 receives a pressure value in the environment.

When the working principle or the structural principle is used, firstly, 220V commercial power or 380V alternating current is connected into the junction box 41, then the water inlet 35 and the water outlet 36 are respectively connected into the sewage inlet pipe and the sewage outlet pipe, when sewage is sucked, an external water source is required to be connected into the outer cover body 31 through the water injection end 321 in advance, the water body is filled in the outer cover body 31, then the switch 42 is pressed, the three-phase motor 21 is started, the three-phase motor 21 drives the impeller 22 to rotate, centrifugal force is generated in the volute pump shell 33, sewage is sucked, when the interior of the pump body is blocked, the pressure in the pump body is increased, the pressure sensor 38 detects that the pressure value in the pump body is overhigh, the pressure sensor 38 feeds the pressure value in the pump body back to the pressure sensing chip 45, the pressure sensing chip 45 starts the forward and reverse rotation controller 44, the forward and reverse rotation controller 44 changes the rotation direction of the, generates reverse centrifugal force, thereby discharging the blockage reversely and achieving the purpose of cleaning.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Sewage pump with automatic identification blocks up reversal clear function, including support body subassembly (10), drive assembly (20), pump body subassembly (30), control assembly (40) and damper assembly (50), its characterized in that: the pump body assembly (30) comprises an outer cover body (31), a pump cover (32), a volute pump shell (33), a water channel (34), a water inlet (35), a water outlet (36), a sealing sleeve (37) and a pressure sensor (38), wherein one side of the outer cover body (31) is detachably connected with the pump cover (32), the inner side wall of the outer cover body (31) is fixedly connected with the volute pump shell (33), one side of the volute pump shell (33) is provided with the water channel (34), one end of the water channel (34) is provided with the water inlet (35), the outer side wall of the pump cover (32) is fixedly connected with the water outlet (36), the outer side wall of the outer cover body (31) is provided with the sealing sleeve (37), the sealing sleeve (37) penetrates through the outer cover body (31), and the inner side wall of the sealing sleeve (37) is fixedly connected with the pressure, control assembly (40) include terminal box (41), switch (42), hardware interface (43), positive and negative rotation controller (44), pressure sensing chip (45) and current protection module (46), the upper surface of terminal box (41) is equipped with switch (42), install the lateral wall of terminal box (41) hardware interface (43), the inside of terminal box (41) is equipped with positive and negative rotation controller (44), pressure sensing chip (45) and current protection module (46).

2. The sewage pump with automatic blockage-identifying reversal clearing function according to claim 1, wherein: support body subassembly (10) include pump frame (11), shock-absorbing rubber pad (12) and base (13), the bottom fixedly connected with of pump frame (11) shock-absorbing rubber pad (12), install the inside wall of pump frame (11) base (13).

3. The sewage pump with automatic blockage-identifying reversal clearing function according to claim 1, wherein: the driving assembly (20) comprises a three-phase motor (21) and an impeller (22), and an output shaft of the three-phase motor (21) is fixedly connected with the impeller (22).

4. The sewage pump with automatic blockage-identifying reversal clearing function according to claim 3, wherein: shock-absorbing component (50) include motor cabinet (51), shock attenuation board (52), fixing bolt (53) and shock attenuation attenuator (54), motor cabinet (51) are located the lateral wall of three-phase motor (21), the bottom fixedly connected with of motor cabinet (51) shock attenuation board (52), the last fixed surface of shock attenuation board (52) is connected with fixing bolt (53), the bottom fixedly connected with of shock attenuation board (52) shock attenuation attenuator (54).

5. The sewage pump with automatic blockage-identifying reversal clearing function according to claim 1, wherein: the upper end and the lower end of the outer surface of the pump cover (32) are respectively provided with a water injection end (321) and a water outlet end (322).

6. The sewage pump with automatic blockage-identifying reversal clearing function according to claim 3, wherein: the electrical input end of the three-phase motor (21) is electrically connected with the electrical output end of the forward and reverse rotation controller (44), and the signal output end of the pressure sensor (38) is electrically connected with the signal input end of the pressure sensing chip (45).