CN220849977U

CN220849977U - Intelligent controller of water pump

Info

Publication number: CN220849977U
Application number: CN202322407029.9U
Authority: CN
Inventors: 汪学仕
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-05
Filing date: 2023-09-05
Publication date: 2024-04-26
Anticipated expiration: 2033-09-05

Abstract

The application relates to a water pump intelligent controller, which belongs to the field of water pump control devices and comprises a shell, a water inlet channel, a water outlet channel, a water flow switch sensing device and a pressure switch sensing device which are arranged on the water inlet channel, a shell and a circuit board which is arranged in the shell, wherein one end of the water inlet channel is arranged on one side outside the shell, and the water inlet channel is communicated with the water outlet channel; one end of the water outlet channel penetrates out of one side outside the shell. The application has the effect of solving the problems of frequent starting and no water shortage protection and the like of the water pump in the using process.

Description

Intelligent controller of water pump

Technical Field

The application relates to the field of water pump control devices, in particular to an intelligent controller of a water pump.

Background

At present, with the gradual popularization of water pumps using intelligent control in a water supply system, a pressure detection sensor is generally used for detecting the working pressure of the water pump, and outputting analog quantity or digital signals to a water pump controller, and controlling the start and stop of the water pump according to the preset water pump start and stop pressure of the water pump controller, when the working pressure of the water pump reaches the set pressure of a pressure switch sensor, a pressure on signal is output to the water pump controller, and when the working pressure of the water pump is lower than the set pressure of the pressure switch sensor, a off signal is output to the water pump controller; the controller controls the start and stop of the water pump by receiving the switching value signal transmitted by the pressure sensor, which is an ideal water pump control mode.

However, the mode of detecting the water pressure through the pressure sensor control can cause the frequent start and stop of the water pump in the use process. When the condition of lack of water or small water flow appears, the pressure sensor can not carry out effectual protection to the water pump to make water pump life not long.

Disclosure of utility model

The application provides an intelligent controller of a water pump, which aims to solve the problems of frequent starting and no water shortage protection of the water pump in the use process.

The intelligent controller of the water pump provided by the application adopts the following technical scheme:

An intelligent controller of a water pump comprises a water inlet channel, a water outlet channel, a water flow switch sensing device and a pressure switch sensing device which are arranged on the water inlet channel, a shell and a circuit board which is arranged in the shell;

One end of the water inlet channel is arranged at one side outside the shell, and the water inlet channel is communicated with the water outlet channel; one end of the water outlet channel penetrates out of one side outside the shell;

The water flow switch sensing device comprises a base which is arranged in the shell and one side of which is provided with an opening, and the water inlet channel is communicated with the water outlet channel in the base; the base is internally provided with a flow floater, one end of the flow floater is inserted into the water inlet channel, the outer side of the flow floater is fixedly connected with a compression ring in the circumferential direction, one end of the flow floater is inserted into the water inlet channel, and the compression ring on the flow floater is lapped on the end part of the water inlet channel; a flow end cover is arranged at the opening of the base, a flow return spring is sleeved on the flow floater, and the flow return spring is positioned between the compression ring and the flow end cover; a reed pipe is arranged on the flow end cover in a penetrating way; the flow floater is provided with an annular magnet which is movably sleeved on the reed pipe through the flow floater; the reed switch is electrically connected with the circuit board;

the pressure switch sensing device comprises a connecting seat fixedly connected to the base, a pressure end cover fixedly connected to the other side of the connecting seat and used for sealing the opening, a push rod arranged between the connecting seat and the pressure end cover and a pressure reset spring; the base is provided with a pressure hole communicated with the connecting seat; the pressure reset spring is arranged between the ejector rod and the pressure end cover, and the pressure end cover is fixedly connected with a micro switch which is electrically connected with the circuit board.

The present utility model may be further configured in a preferred example to: the flow end cover is fixedly connected with a mounting pipe, one end of the mounting pipe is closed, the other end of the mounting pipe is opened and arranged on the outer side of the base, a mounting bracket is inserted into the mounting pipe, and the reed switch is fixedly connected to the mounting bracket.

The present utility model may be further configured in a preferred example to: the flow floater is provided with a containing hole at one end deviating from the water inlet channel, the ring magnet is embedded into the hole wall of the containing hole, and one closed end of the pipe orifice of the mounting pipe is inserted into the containing hole.

The present utility model may be further configured in a preferred example to: and one side of the end part of the compression ring, which faces the water inlet channel, is provided with a backflow sealing gasket.

The present utility model may be further configured in a preferred example to: the flow reset spring is sleeved on the flow floater and is contacted with the annular surface of the compression ring.

The present utility model may be further configured in a preferred example to: the sealing gasket is fixedly connected to the ejector rod, the arrangement position of the sealing gasket is located at one side of the ejector rod facing the pressure hole, and the sealing gasket is arranged between the ejector rod and the base.

The present utility model may be further configured in a preferred example to: one side of the ejector rod facing the pressure end cover is provided with a connecting rod integrally formed and supported with the ejector rod, and the pressure return spring is sleeved on the connecting rod.

The present utility model may be further configured in a preferred example to: the pressure end cover is provided with a containing groove, the containing groove faces one side of the ejector rod, one end of the pressure resetting popup window is sleeved on the connecting rod, and the other end of the pressure resetting popup window is contained in the containing groove.

The present utility model may be further configured in a preferred example to: one side of the pressure end cover, which is away from the ejector rod, is fixedly connected with an arrangement pipe, the arrangement pipe is communicated with the connecting seat, and an adjusting screw in threaded connection with the arrangement pipe is arranged in the arrangement pipe in a penetrating manner.

The present utility model may be further configured in a preferred example to: and steel balls are also arranged in the arrangement pipes and are positioned between the adjusting screws and the pressure return springs.

In summary, the present application includes at least one of the following beneficial technical effects:

the water flow flows from the water inlet channel to the water outlet channel, and the pressure switch is switched on or off by driving the micro switch of the pressure switch sensing device through the water pressure; the water flow switch sensing device is connected and disconnected by driving the reed switch of the water flow switch sensing device through the water flow. The water is conveyed to a water supply end from the water pump through the water inlet pipe of the controller, and when the water pressure in the water outlet pipe is smaller than a certain pressure, the pressure switch is turned on, and signals are transmitted to the circuit board of the controller; in the process, when the water flow is greater than a certain flow, a signal that the water flow switch is turned on is transmitted to the controller circuit board; the controller outputs a power supply to the water pump so that the water pump works normally. When the water pressure in the water outlet pipe is larger than a certain pressure, the pressure sensing device does not transmit a signal to the controller, and meanwhile, the water flow switch sensing device does not transmit a signal to the controller, and at the moment, the water pump is turned off.

Drawings

FIG. 1 is a schematic diagram of an intelligent controller for a water pump according to the present embodiment;

FIG. 2 is a schematic diagram of the inside of the intelligent controller of the water pump according to the present embodiment;

FIG. 3 is a schematic diagram of the back of the intelligent controller of the water pump in this embodiment;

FIG. 4 is a schematic diagram of a water flow switch sensing device and a pressure switch sensing device in the present embodiment;

FIG. 5 is an exploded view of the bottom of the case in this embodiment;

FIG. 6 is an exploded schematic view of the intelligent controller of the water pump according to the present embodiment;

fig. 7 is an exploded view of the case cover in the present embodiment.

Reference numerals illustrate: 1. a water inlet channel; 2. a water outlet channel; 3. a housing; 31. a shell bottom; 32. a cover; 33. a fixing screw; 34. a control panel; 35. installing a screw; 36. a power input; 37. a power supply output terminal; 4. a water flow switch sensing device; 41. a base; 411. a pressure hole; 42. a flow float; 421. a receiving hole; 422. a clamp ring; 43. a flow end cap; 431. a connecting screw; 44. a flow return spring; 45. a reflow sealing gasket; 46. installing a pipe; 47. a mounting bracket; 48. a reed pipe; 49. a ring magnet; 5. a pressure switch sensing device; 51. a connecting seat; 52. a pressure end cap; 521. arranging screws; 522. a receiving groove; 523. a fixing nut; 53. a push rod; 531. a connecting rod; 54. a pressure return spring; 55. a sealing gasket; 56. a micro-switch; 57. arranging a pipe; 58. an adjusting screw; 59. steel balls; 6. a circuit board; 61. a water flow control sensor connection interface; 62. the pressure control sensor interfaces.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment of the application discloses an intelligent controller for a water pump. Referring to fig. 1 to 7, the intelligent controller of the water pump comprises a water inlet channel 1, a water outlet channel 2, a shell 3, a water flow switch sensing device 4 and a pressure switch sensing device 5 which are arranged on the water inlet channel 1. The housing 3 covers the water inlet channel 1 and the water outlet channel 2, and the water flow switch sensing device 4 and the pressure switch sensing device 5.

A circuit board 6 is provided in the housing 3, and a water flow control sensor connection interface 61 and a pressure control sensor connection interface 62 are provided on the circuit board 6, and a power input connection port and a power output connection port are also provided on the circuit board 6. A control panel 34 is provided on the front surface of the housing 3, and a power input terminal 36 and a power output terminal 37 are provided on the back surface of the housing 3. The circuit board 6 is disposed in the housing 3 on a side close to the control panel 34, and the circuit board 6 is fixed to the housing 3 by mounting screws 35.

Referring to fig. 2 and 3, the housing 3 includes a housing bottom 31 and a housing cover 32, and the housing bottom 31 and the housing cover 32 are fastened together relatively and fixedly connected by a fixing screw 33. A control panel 34 is provided on the housing cover 32, and a power input 36 and a power output 37 are provided on the housing bottom 31.

One end of the water inlet channel 1 is arranged on the outer side of the shell 3, the water inlet channel 1 is communicated with the water outlet channel 2, the communication is arranged in the shell 3, and one end of the water outlet channel 2 penetrates out of the shell 3.

Referring to fig. 4 and 6, the water flow switch sensing device 4 includes a base 41 disposed in the housing 3, the base 41 is fixedly connected with the water inlet channel 1 and the water outlet channel 2, the water inlet channel 1 and the water outlet channel 2 are communicated in the base 41, an opening is formed in the base 41, and the opening direction is the same as the arrangement direction of the water inlet channel 1. A flow rate float 42 is provided in the base 41, one end of the flow rate float 42 is inserted into the water inlet channel 1, the diameter of one end of the flow rate float 42 inserted into the water inlet channel 1 is smaller than the inner diameter of the water inlet channel 1, and an accommodating hole 421 is provided at the other end of the flow rate float 42. A compression ring 422 is fixedly connected to the outer circumference of the flow floater 42, when the flow floater 42 is positioned in the base 41, one end of the flow floater 42 is inserted into the water inlet channel 1, and the compression ring 422 on the flow floater 42 is lapped on the end of the water inlet channel 1. The flow floater 42 moves away from the end of the water inlet channel 1 in the base 41 by bearing the impact of water flow, and after the flow floater 42 moves, the contact between the compression ring 422 and the end of the water inlet channel 1 is separated, so that a gap for water to flow through appears between the flow floater 42 and the water inlet channel 1, and water flows into the water outlet channel 2 from the gap.

A flow end cover 43 is arranged at the opening of the base 41, the flow end cover 43 and the base 41 are fixedly connected together through a connecting screw 431, and the distance between the flow end cover 43 and the end part of the water inlet channel 1 is set to be used for the flow floater 42 to move. The flow float 42 is sleeved with a flow return spring 44, the flow return spring 44 is positioned between the compression ring 422 and the flow end cover 43, after the flow float 42 receives water flow impact, the flow float 42 moves and compresses the flow return spring 44, after the water flow impact is finished, under the return action of the flow return spring 44, the flow float 42 is pushed back to the contact position with the water inlet channel 1, and the end part of the water inlet channel 1 is closed through the compression ring 422. A backflow sealing gasket 45 is installed at one side of the compression ring 422 facing the end of the water inlet channel 1, the backflow sealing gasket 45 is made of an elastic material, and the flow return spring 44 compresses the compression ring 422 against the end of the water inlet channel 1, so that the backflow sealing gasket 45 is compressed, and water entering the water outlet channel 2 is prevented from flowing back from the flow floater 42.

The flow end cover 43 is fixedly connected with a mounting tube 46, one end of the mounting tube 46 is closed, the other end of the mounting tube 46 is arranged outside the base 41 in an opening way, a mounting bracket 47 is inserted into the mounting tube 46, and a reed switch 48 is fixed on the mounting bracket 47.

The closed end of the mounting tube 46 is inserted into the receiving hole 421, and a gap exists between the wall of the mounting tube 46 and the wall of the receiving hole 421. A ring magnet 49 is fitted to the wall of the receiving hole 421, and the ring magnet 49 is fitted over the mounting tube 46.

The reed pipe 48 is a reed pipe and a magnetic reed switch, is a magnetic-sensitive special switch, and is a main component of a reed relay and a proximity switch. The reed switch 48 is electrically connected to the circuit board 6 via a power line.

When the flow rate float 42 moves, the ring magnet 49 moves together with the flow rate float 42, and changes the magnetic field, so that the reed pipe 48 is communicated, and the water flow switch sensing device 4 is in an on state. The water is conveyed to a water supply end from the water pump through the water inlet pipe of the controller, and when the water pressure in the water outlet pipe is smaller than a certain pressure, the pressure switch is turned on, and a signal is transmitted to the circuit board 6 of the controller; in the process, when the water flow is greater than a certain flow, the water flow directly impacts the flow floater 42, so that the flow floater 42 moves, the flow floater 42 moves to drive the annular magnet 49 to move, and the reed switch 48 is communicated through the annular magnet 49, so that the water flow switch sensing device 4 is in an on state. When no water flows through both the water inlet channel 1 and the water outlet channel 2, the flow floater 42 is restored to the original state, and the reed switch 48 is in the disconnected state.

The pressure switch sensing device 5 comprises a connecting seat 51 fixedly connected to the base 41, the connecting seat 51 is integrally tubular, the arrangement direction of the connecting seat 51 is aligned with the arrangement direction of the water outlet channel 2, and the base 41 is provided with a pressure hole 411 communicated with the connecting seat 51. One end of the connecting seat 51 is fixedly connected with the base 41, the other end is provided with a pressure end cover 52, and the pressure end cover 52 is fixedly connected with the connecting seat 51 through an arrangement screw 521. A jack 53 and a pressure return spring 54 are provided between the connection seat 51 and the pressure end cap 52, one end of the jack 53 faces the pressure hole 411 and contacts the pressure hole 411, and pressure coming out of the pressure hole 411 impacts the jack 53, so that the jack 53 moves between the connection seat 51 and the pressure end cap 52. The pressure return spring 54 is arranged between the ejector rod 53 and the pressure end cover 52, and after the ejector rod 53 loses the impact of pressure, the pressure return spring 54 rebounds the ejector rod 53 to the original position, so that the pressure hole 411 is closed. Wherein, in order to make the pressure that pressure hole 411 spread more easily strike ejector pin 53, fixedly connected with sealing gasket 55 on ejector pin 53, sealing gasket 55 is made by elastic material, and sealing gasket 55 arranges the position and is located ejector pin 53 towards pressure hole 411's one side, and sealing gasket 55 arranges between ejector pin 53 and base 41.

The pressure end cap 52 is also fixedly connected with a micro switch 56, the micro switch 56 is a contact mechanism which has a tiny contact interval and a quick action mechanism and performs a switching action by a specified stroke and a specified force, the contact mechanism is covered by the shell 3, and the outer part of the contact mechanism is provided with a switch of a driving rod, and the micro switch 56 is called a sensitive switch because the contact interval of the switch is smaller. The micro switch 56 is electrically connected with the circuit board 6, and the micro switch 56 receives the movement of the ejector rod 53 to open and close.

Wherein, ejector pin 53 is provided with the connecting rod 531 that makes with ejector pin 53 integrated into one piece towards one side of pressure end cover 52, and pressure return spring 54 cover is established on connecting rod 531, sets up holding tank 522 moreover on pressure end cover 52, and holding tank 522 is towards one side of ejector pin 53, and pressure return popup window's one end cover is established on connecting rod 531, and the other end holds on holding tank 5225 for pressure return spring 54 arranges more stably.

In addition, an arrangement tube 57 is fixedly connected to one side of the pressure end cover 52, which is away from the ejector rod 53, the arrangement tube 57 is communicated with the connecting seat 51, an adjusting screw 58 which is in threaded connection with the arrangement tube 57 is arranged in the arrangement tube 57 in a penetrating manner, one end of the adjusting screw 58 penetrates into the arrangement tube 57, the other end penetrates out of the arrangement tube 57 and is positioned in the shell 3, a fixing nut 523 is further arranged on the pressure end cover 52, and the fixing nut 523 is in threaded connection with one end of the adjusting screw 58, which penetrates out of the arrangement tube 57.

A hole is formed in the housing 3 to expose one end of the adjusting screw 58. The adjusting screw 58 is in contact with the pressure return spring 54.

A steel ball 59 is also installed in the arrangement tube 57, the steel ball 59 is located between the adjusting screw 58 and the pressure return spring 54, when the adjusting screw 58 rotates, the rotation of the adjusting screw 58 is transmitted to the steel ball 59 under the action of the steel ball 59, and the steel ball 59 rotates, so that the pressure return spring 54 is not easy to be driven to rotate. And an inner hexagonal screw hole is formed in the exposed end of the adjusting screw 58.

The implementation principle of the intelligent controller of the water pump provided by the embodiment of the application is as follows:

Normal pumping state of the water pump: when the water flow which is pumped and discharged by the water pump and enters the water inlet channel 1 is larger than a certain water flow value, the water flow directly impacts the flow floater 42, so that the flow floater 42 moves, the flow floater 42 moves to drive the annular magnet 49 to move, the reed switch 48 is communicated through the annular magnet 49, the water flow switch sensing device 4 is in a connection state, the water flow pressure entering the base 41 is high at the moment and cannot push the ejector rod 53, the micro switch 56 is in the connection state, the pressure switch sensing device 5 is also in the connection state, the circuit board 6 outputs a power supply water pump, and the water pump is in a normal working state.

And (3) closing the water pump: when the controller water outlet channel 2 is closed, no water flows through the water inlet channel 1 and the water outlet channel 2, the flow floater 42 is restored to the original state, and the reed switch 48 is in the disconnected state. Meanwhile, as the water outlet channel 2 is blocked, the pressure in the pipeline rises, the ejector rod 53 of the pressure switch sensing device 5 is in a maximum Shen Zhang state, so that the pressure switch sensing device 5 is in a disconnection state, and the circuit board 6 stops outputting the power supply water pump, so that the water pump is normally closed.

The water flow rate discharged by the water pump is smaller: the water quantity discharged by the water pump and entering the water inlet channel 1 is small, the water flow can impact to drive the flow floater 42 to move, so that the water enters the water end, the water flow switch sensing device 4 is in an on state, the pressure entering the base 41 is large, the ejector rod 53 of the pressure switch sensing device 5 is in a Shen Zhang state, the pressure switch sensing device 5 is in an off state, when the circuit board 6 receives the two signals, the water pump enters a small water flow mode, the controller circuit board 6 delays to disconnect the water pump power supply, and when the water pressure is smaller than a pressure set value, the water pump is started again.

The water pump is in a water shortage state: when no water is pumped from the water source into the base 41 through the water pump, the flow floater 42 is in an original state without being impacted by water flow, so that the water flow switch sensing device 4 is in an off state; the base 41 is free of water pressure because of no water, the pressure switch sensing device 5 is in an on state, and when the controller circuit board 6 receives the two signals finally, the circuit board 6 delays to turn off the output power supply, so that the water pump is turned off. The subsequent controller detects whether the water source has water or not through timing.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims

1. An intelligent controller for a water pump, which is characterized in that: the device comprises a water inlet channel (1), a water outlet channel (2), a water flow switch sensing device (4) and a pressure switch sensing device (5) which are arranged on the water inlet channel (1), a shell (3) and a circuit board (6) which is arranged in the shell (3);

One end of the water inlet channel (1) is arranged at one side outside the shell (3), and the water inlet channel (1) is communicated with the water outlet channel (2); one end of the water outlet channel (2) penetrates out of one side outside the shell (3);

The water flow switch sensing device (4) comprises a base (41) which is arranged in the shell (3) and is provided with an opening at one side, and the water inlet channel (1) and the water outlet channel (2) are communicated in the base (41); a flow floater (42) is arranged in the base (41), one end of the flow floater (42) is inserted into the water inlet channel (1), a compression ring (422) is fixedly connected to the outer circumference of the flow floater (42), one end of the flow floater (42) is inserted into the water inlet channel (1), and the compression ring (422) on the flow floater (42) is lapped on the end part of the water inlet channel (1); a flow end cover (43) is arranged at the opening of the base (41), a flow return spring (44) is sleeved on the flow floater (42), and the flow return spring (44) is positioned between the compression ring (422) and the flow end cover (43); a reed pipe (48) is arranged on the flow end cover (43) in a penetrating way; the flow floater (42) is provided with a ring magnet (49), and the ring magnet (49) is movably sleeved on the reed pipe (48) through the flow floater (42); the reed switch (48) is electrically connected with the circuit board (6);

The pressure switch sensing device (5) comprises a connecting seat (51) fixedly connected to the base (41) and provided with an opening at one side, a pressure end cover (52) fixedly connected to the other side of the connecting seat (51) and used for closing the opening, a push rod (53) arranged between the connecting seat (51) and the pressure end cover (52) and a pressure return spring (54); the base (41) is provided with a pressure hole (411) communicated with the connecting seat (51); the pressure return spring (54) is arranged between the ejector rod (53) and the pressure end cover (52), the pressure end cover (52) is fixedly connected with a micro switch (56), and the micro switch (56) is electrically connected with the circuit board (6).

2. The intelligent controller of a water pump according to claim 1, wherein: the flow end cover (43) is fixedly connected with a mounting pipe (46), one end of the mounting pipe (46) is closed, the other end of the mounting pipe is opened and arranged on the outer side of the base (41), a mounting bracket (47) is inserted into the mounting pipe (46), and a reed switch (48) is fixedly connected to the mounting bracket (47).

3. The intelligent controller of a water pump according to claim 2, wherein: one end of the flow floater (42) deviating from the water inlet channel (1) is provided with a containing hole (421), the ring magnet (49) is embedded into the hole wall of the containing hole (421), and one end of the orifice of the mounting tube (46) which is closed is inserted into the containing hole (421).

4. The intelligent controller of a water pump according to claim 1, wherein: a backflow sealing gasket (45) is arranged on one side of the end part of the compression ring (422) facing the water inlet channel (1).

5. The intelligent controller of a water pump according to claim 1, wherein: the flow return spring (44) is sleeved on the flow floater (42) and is contacted with the annular surface of the compression ring (422).

6. The intelligent controller of a water pump according to claim 1, wherein: the sealing gasket (55) is fixedly connected to the ejector rod (53), the arrangement position of the sealing gasket (55) is located on one side, facing the pressure hole (411), of the ejector rod (53), and the sealing gasket (55) is arranged between the ejector rod (53) and the base (41).

7. The intelligent controller of a water pump according to claim 1, wherein: one side of the ejector rod (53) facing the pressure end cover (52) is provided with a connecting rod (531) integrally formed and supported with the ejector rod (53), and the pressure return spring (54) is sleeved on the connecting rod (531).

8. The intelligent controller of a water pump according to claim 1, wherein: the pressure end cover (52) is provided with a containing groove (522), the containing groove (522) faces one side of the ejector rod (53), one end of the pressure resetting popup window is sleeved on the connecting rod (531), and the other end of the pressure resetting popup window is contained in the containing groove (522).

9. The intelligent controller of a water pump according to claim 1, wherein: one side of the pressure end cover (52) deviating from the ejector rod (53) is fixedly connected with an arrangement pipe (57), the arrangement pipe (57) is communicated with the connecting seat (51), and an adjusting screw (58) in threaded connection with the arrangement pipe (57) is arranged in the arrangement pipe (57).

10. The intelligent controller of a water pump of claim 9, wherein: a steel ball (59) is further arranged in the arrangement tube (57), and the steel ball (59) is located between the adjusting screw (58) and the pressure return spring (54).