CN219395353U - Water-cooled variable speed motor and intelligent water pump - Google Patents

Abstract

The utility model discloses a water-cooled variable speed motor and an intelligent water pump. A water-cooled variable speed motor comprising: shell, stator, rotor, pivot, mount pad, end cover and frequency conversion module, the stator with the rotor sets up in the shell, the pivot rotationally sets up on the shell, the rotor sets up in the pivot, the mount pad sets up on the shell, be provided with mounting groove on the mount pad, the inside water-cooling runner that forms of end cover, the end cover sets up on the mount pad and covers mounting groove, the pivot runs through in proper order the mount pad with the end cover, frequency conversion module is located in the mounting groove and with the end cover heat conduction is connected. The heat dissipation efficiency of the motor is improved, so that the operation reliability of the water pump is improved.

Description

Water-cooled variable speed motor and intelligent water pump

Technical Field

The utility model relates to the technical field of water supply equipment, in particular to a water-cooled variable speed motor and an intelligent water pump.

Background

The water pump is generally applied to industrial process water and domestic water, and generally comprises a motor and a pump body, wherein the pump body is provided with a water inlet and a water outlet, an impeller is arranged in the pump body, and the motor drives the impeller to rotate in the pump body so as to suck water from the water inlet and discharge water from the water outlet. Among them, the motor is an important part of the water pump, and is generally provided with a controller and a frequency conversion module. For example, chinese patent publication No. CN104953752a discloses a variable-frequency intelligent motor and a water supply system, in which, an electric installation heat dissipation cavity is arranged on a housing of the motor to install a variable-frequency module, and heat dissipation of the variable-frequency module is performed by means of air flow. However, in the actual use process, as the power of the motor increases, the heat dissipation capacity of the frequency conversion module increases, and the air flow heat dissipation mode cannot meet the heat dissipation requirement of the frequency conversion module, so that the heat dissipation efficiency of the frequency conversion module is low, and the normal operation of the motor is affected. In view of this, how to design a water pump technology for improving the heat dissipation efficiency of the frequency conversion module is a technical problem to be solved by the present utility model.

Disclosure of Invention

The technical problems to be solved by the utility model are as follows: the utility model provides a water-cooled variable speed motor and intelligent water pump realizes improving the radiating efficiency of frequency conversion module in the motor to improve the operational reliability of water pump.

The technical scheme provided by the utility model is that the water-cooled variable speed motor comprises: shell, stator, rotor, pivot, mount pad, end cover and frequency conversion module, the stator with the rotor sets up in the shell, the pivot rotationally sets up on the shell, the rotor sets up in the pivot, the mount pad sets up on the shell, be provided with mounting groove on the mount pad, the inside water-cooling runner that forms of end cover, the end cover sets up on the mount pad and covers mounting groove, the pivot runs through in proper order the mount pad with the end cover, frequency conversion module is located in the mounting groove and with the end cover heat conduction is connected.

Further, the end cover comprises a sealing cover plate and a heat conducting cover plate, the sealing cover plate is connected with the heat conducting cover plate in a sealing mode, a water cooling flow passage is formed between the sealing cover plate and the heat conducting cover plate, and the frequency conversion module is arranged on the heat conducting cover plate.

Further, the sealing cover plate and/or the heat conducting cover plate is/are provided with a water flow groove, the water flow groove is formed between the sealing cover plate and the heat conducting cover plate, and the frequency conversion module is arranged on the heat conducting cover plate.

Further, an inlet and an outlet are arranged on the sealing cover plate, and the inlet and the outlet are respectively communicated with the water flow groove.

Further, a buffer groove is formed in the heat conducting cover plate, and the buffer groove is arranged opposite to the outlet.

Further, a plurality of protruding structures are arranged in the water flow groove.

Further, the side wall of the mounting groove is further provided with a ventilation groove, the outer wall of the mounting seat is further provided with an air channel communicated with the ventilation groove, and a heat dissipation fan is arranged in the ventilation groove.

The utility model also provides an intelligent water pump, which comprises a pump body, wherein the pump body is provided with a water inlet cavity and a water outlet cavity, and the intelligent water pump also comprises the water-cooled variable speed motor, and the water inlet cavity and the water outlet cavity are respectively connected with a water-cooled runner of the water-cooled variable speed motor through connecting pipes.

Further, a water inlet pipe and a water outlet pipe are arranged on the pump body, the water inlet pipe is communicated with the water inlet cavity, and the water outlet pipe is communicated with the water outlet cavity; the water inlet pipe or be provided with flow detection module in the outlet pipe, flow detection module includes support frame, detection pipeline and flowmeter, the support frame sets up in the inlet pipe, the detection pipeline sets up on the support frame and unsettled the arranging in the inlet pipe, the sensor setting of flowmeter is in the detection pipeline.

Furthermore, an installation cavity is formed in the detection pipeline, a water inlet flow passage and a water outlet flow passage are formed in the detection pipeline, and the water inlet flow passage and the water outlet flow passage are respectively communicated with the installation cavity.

Compared with the prior art, the utility model has the advantages and positive effects that: according to the water-cooled variable speed motor provided by the utility model, the frequency conversion module is installed by arranging the mounting seat and the end cover on the shell, so that the frequency conversion module is positioned in the mounting groove and is in heat conduction connection with the end cover, the water-cooled runner is integrated in the end cover, the heat dissipation treatment of the frequency conversion module in heat conduction connection with the end cover is realized by introducing cold water, and the source of the cold water can be supplied by utilizing the water driven by the water pump or an external cooling water source, so that the water pump can circulate continuous cold water in the working process to efficiently take away the heat generated by the frequency conversion module, the heat dissipation efficiency of the motor is improved, and the running reliability of the water pump is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an intelligent water pump according to the present utility model;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a partially enlarged schematic illustration of region B of FIG. 2;

FIG. 4 is an enlarged partial schematic view of region C of FIG. 2;

FIG. 5 is an exploded view of the water-cooled variable speed motor of FIG. 1

FIG. 6 is a schematic view of the mounting base of FIG. 1;

FIG. 7 is a cross-sectional view of the mount of FIG. 1;

FIG. 8 is a schematic view of the sealing cover plate of FIG. 1;

FIG. 9 is a schematic view of the heat conductive cover plate in FIG. 1;

FIG. 10 is a second schematic diagram of the intelligent water pump according to the present utility model;

FIG. 11 is one of the cross-sectional views of the flow detection module of FIG. 10;

FIG. 12 is a second cross-sectional view of the flow detection module of FIG. 10.

Reference numerals:

the motor 100, the shell 101, the rotating shaft 102, the mounting seat 103, the end cover 104 and the heat radiation fan 105;

mounting grooves 1031, ventilation grooves 1032, air channels 1033, water-cooled channels 1040, sealing cover plate 1041, heat conducting cover plate 1042, water flow grooves 1043, inlets 1044, outlets 1045, raised structures 1046, and,

Pump body 200, first connecting pipe 201, water valve 202, second connecting pipe 203;

the controller 300, the control panel 301, the frequency conversion module 302 and the junction box 303;

a flow detection module 400;

a support frame 1, a detection pipeline 2 and a flowmeter 3;

the device comprises a first guide plate 21, a second guide plate 22, a mounting cavity 23, a water inlet flow channel 24, a water outlet flow channel 25 and a sensor 31.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. 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.

In a first embodiment, as shown in fig. 1 to 9, the present utility model provides a water-cooled variable speed motor 100, comprising: a housing 101, a stator (not shown), a rotor (not shown), a shaft 102, a mount 103, an end cap 104, and a controller 300.

Wherein the stator and the rotor are arranged in the shell, the rotating shaft is rotatably arranged on the shell, and the rotor is arranged on the rotating shaft. The structural form and the installation mode of the stator, the rotor and the rotating shaft can refer to a motor in the conventional technology, and are not limited and described in detail herein. The controller 300 generally comprises control components such as a control panel 301 and a frequency conversion module 302, and in order to facilitate the connection of cables to the motor, the controller 300 is further provided with a junction box 303 on the housing to meet the wiring requirement.

In order to reliably install the frequency conversion module and meet the heat dissipation requirement in the working process, the frequency conversion module is installed through the installation seat and the end cover. Specifically, the mount pad sets up on the shell, be provided with mounting groove 1031 on the mount pad, the inside water-cooling runner 1040 that forms of end cover, the end cover sets up on the mount pad and covers mounting groove, the pivot runs through in proper order the mount pad with the end cover, frequency conversion module is located in the mounting groove and with the end cover heat conduction is connected.

Specifically, in the actual use process, after the motor is electrified, the frequency conversion module controls the running frequency of the motor, and the frequency conversion module is installed in the installation groove and covered by the end cover so as to ensure the installation reliability of the frequency conversion module. The heat generated when the frequency conversion module is electrified and operated is conducted to the end cover, cold water can be continuously input into the water cooling flow channel formed in the end cover, and the heat generated by the frequency conversion module is rapidly absorbed by the cold water flowing in the water cooling flow channel, so that the heat dissipation requirement of the frequency conversion module is met.

The frequency conversion module and the end cover are in heat conduction connection, the frequency conversion module can be directly attached to the end cover to conduct heat directly, a support column can be arranged on the end cover, the frequency conversion module is arranged on the support column and forms a certain interval with the end cover to conduct heat indirectly through air, and limitation and redundant description are omitted here.

Further, in order to facilitate forming the water cooling flow channel in the end cover, the end cover includes a sealing cover plate 1041 and a heat conducting cover plate 1042, the sealing cover plate and the heat conducting cover plate are connected together in a sealing manner, the water cooling flow channel is formed between the sealing cover plate and the heat conducting cover plate, and the frequency conversion module is disposed on the heat conducting cover plate.

Specifically, the end cover is formed by assembling a sealing cover plate 1041 and a heat conducting cover plate 1042 in a buckled manner, wherein the heat conducting cover plate 1042 can be made of materials with good heat conducting performance such as copper, aluminum and the like, and thus, the frequency conversion module 302 is arranged on the heat conducting cover plate and can rapidly conduct heat through the heat conducting cover plate. In addition, the sealing manner of the sealing cover plate 1041 and the heat conducting cover plate 1042 may be implemented by using a conventional sealing ring, that is, the sealing ring is sandwiched between the sealing cover plate 1041 and the heat conducting cover plate 1042 to form the closed water cooling flow channel, and the specific sealing manner is not limited herein.

Still further, the sealing cover plate and/or the heat conducting cover plate is provided with a water flow groove 1043, the water flow groove forms the water cooling flow channel between the sealing cover plate and the heat conducting cover plate, and the frequency conversion module is arranged on the heat conducting cover plate.

Specifically, by providing the water flow grooves 1043 on the sealing cover plate and/or the heat conducting cover plate, after the sealing cover plate and the heat conducting cover plate are buckled together, the water flow grooves 1043 form a flow path for cold water to flow. In order to facilitate the entry and exit of cold water, an inlet 1044 and an outlet 1045 may be further disposed on the sealing cover plate, and the inlet and the outlet are respectively communicated with the water flow groove.

Specifically, cold water enters the water cooling flow channel through the inlet, and the cold water absorbs heat conducted by the frequency conversion module and then is output from the outlet, so that the cold water continuously flows into the water cooling flow channel to absorb heat.

Preferably, in order to increase the width of the water cooling channel, so that the cold water can cover a larger heat dissipation area, a plurality of raised structures 1046 may be further disposed in the water flow groove, so that water flowing in the water flow groove is blocked by the raised structures 1046, so that water flow is more effectively dispersed, and even dispersion of the cold water in the width direction of the water cooling channel is more facilitated, so as to improve heat dissipation efficiency.

In order to reduce the influence of air bubbles in the water flow on the heat dissipation efficiency of the end cover, a buffer groove 1047 is disposed on the heat conducting cover plate, and the buffer groove 1047 is disposed opposite to the outlet. Specifically, during the use, the air that mingles in the cold water can gather in the buffer groove 1047 at top in the transportation process, and then follow the export is exported to reduce bubble distribution on the heat conduction apron influences the heat dissipation. Taking water driven by the water pump itself as an example, water driven by the water pump flows into the water flow groove through the connecting pipe on one of the inlets, and the upper end portion of the connecting pipe in the outlet extends into the buffer groove 1047. The pipe orifice of the connecting pipe in the outlet is higher than the surface of the water flow groove on the heat conduction cover plate, so that the water flow groove can be filled with water to improve heat dissipation efficiency; while bubbles flow into the buffer groove 1047 with the water flow, and bubbles enter the buffer groove 1047 to be discharged from the connection pipe.

In addition, for the water flow groove, one end portion thereof is arranged corresponding to the outlet, and the other end portion thereof is arranged corresponding to the inlet. In order to realize making the water circulation of the water flow groove is even, an auxiliary water tank 1048 can be further arranged on the sealing cover plate or the heat conducting cover plate, the auxiliary water tank 1048 is arranged outside the water flow groove and communicated with two end parts of the water flow groove, and the auxiliary water tank 1048 is narrower in overall width and shallower in depth compared with the water flow groove. For the inlet enters the cold water of the water flow groove, the auxiliary water tanks 1048 connected to the two ends of the water flow groove can assist the water flow to flow between the two ends, so that the water circulation of the water flow groove is more uniform.

Still further, in order to cooperate the mode of water-cooling heat dissipation, further optimize the radiating efficiency of frequency conversion module, the lateral wall of mounting groove still is provided with ventilation groove 1032, the outer wall of mount pad still is provided with the intercommunication ventilation groove's wind channel 1033, be provided with cooling fan 105 in the ventilation groove.

Specifically, for the frequency conversion module, one surface of the frequency conversion module is abutted against the heat conducting cover plate, and the other surface of the frequency conversion module can further assist in heat dissipation through air flow. After the heat dissipation fan is started, the hot air of the installation groove 1031 can circulate with the external environment through the air duct 1033, so that the air continuously entering the outside in the installation groove 1031 dissipates heat. Wherein, two ventilation grooves 1032 which are arranged oppositely can be arranged on the mounting seat to mount the heat dissipation fan, one heat dissipation fan is used for sucking outside air into the mounting groove, and the other heat dissipation fan is used for exhausting hot air in the mounting groove so as to accelerate heat dissipation efficiency.

In a second embodiment, as shown in fig. 1 to fig. 9, based on the first embodiment, the present utility model further provides an intelligent water pump, which includes a pump body 200, the pump body has a water inlet cavity (not labeled) and a water outlet cavity (not labeled), and further includes a water-cooled variable speed motor 100 according to the first embodiment, the water inlet cavity is connected with a water-cooled runner 1040 of the water-cooled variable speed motor 100 through a first connecting pipe 201, and the water outlet cavity is connected with the water-cooled runner 1040 of the water-cooled variable speed motor 100 through a second connecting pipe 203.

Specifically, during operation of the intelligent water pump, the motor 100 is started to drive the impeller in the pump body to rotate so as to drive the water inlet cavity to suck water and discharge water from the water outlet cavity. In this process, the water pressure in the water outlet cavity is high, and cold water in the water outlet cavity can be partially conveyed to the water cooling channel through the first connecting pipe 201 to absorb heat generated by the frequency conversion module, and the heat absorbed water is conveyed to the water inlet cavity through the second connecting pipe 203, so that the circulation flow of the cooling water is completed. Therefore, the circulating flow of cold water can be realized by utilizing the water pressure difference between the water inlet cavity and the water outlet cavity of the water pump without additionally configuring cold water circulating equipment.

Wherein, for conveniently realizing automatic control of the flow of cold water, a water valve 202 may be further arranged on one of the connecting pipes. Taking the first connecting pipe 201 provided with the water valve 202 as an example, the water valve 202 can control the water flow of the first connecting pipe 201. While the water valve 202 may be a manual valve or an electrically controlled valve.

Taking an electrically controlled valve as an example, a temperature sensor (not shown) may be correspondingly disposed in the mounting groove, and the water valve 202 and the temperature sensor are electrically connected to the controller 300, respectively. In the operation process of the water pump, when the temperature value detected by the temperature sensor is higher than the upper limit temperature value, the controller 300 controls the water valve 202 to increase the opening degree, increase the cold water flow of the first connecting pipe 201, and further increase the cooling speed. And when the temperature value detected by the temperature sensor is lower than the lower limit temperature value, the controller 300 controls the water valve 202 to decrease the opening degree.

Still further, the water-cooled variable speed motor of this embodiment is integrated and installed the flow detection module 400 in the pump body 200, the flow detection module includes support frame 1, detection pipeline 2 and flowmeter 3, the support frame sets up in the pump body, the detection pipeline sets up on the support frame and unsettled the arranging in the pump body, the sensor 31 of flowmeter sets up in the detection pipeline and with the controller electricity is connected.

Specifically, a water inlet pipe (not marked) and a water outlet pipe (not marked) are arranged on the pump body, the water inlet pipe is communicated with the water inlet cavity, and the water outlet pipe is communicated with the water outlet cavity; the water inlet pipe or the water outlet pipe is provided with a flow detection module, a detection pipeline 2 in the flow detection module 400 is arranged in the pump body 200, and a sensor 31 of a flowmeter 3 in the flow detection module 400 is arranged in the detection pipeline 2.

For the detection pipeline 2, the whole detection pipeline 2 is of a straight pipe structure, and the ratio of the flow path length to the flow path diameter of the detection pipeline 2 meets the length requirement of the straight pipe section required by the national standard, namely the length of the detection pipeline 2 is not less than 5 times of the diameter of the water flow channel in the detection pipeline 2.

In actual use, a rotatable impeller (not shown) is disposed in the pump body, and the motor is used for driving the impeller to rotate so that water flows into the pump body 200, and water in the pump body 200 flows into the detection pipeline 2, and the water flowing through the detection pipeline 2 passes through the sensor 31, so that the flow is detected by the flowmeter 3.

Because the ratio of the flow path length to the flow path diameter of the detection pipeline 2 is longer than the straight pipe length required by the national standard, the flow velocity distribution of the water flow in the detection pipeline 2 is uniform, and the detection precision of the sensor 31 is further improved.

In addition, the entire length of the detection pipe 2 is small so as to satisfy the installation requirement of the flowmeter 3 under the condition of a small length. In this way, the detection conduit 2 can be integrated directly into the pump body 200 without the need to provide additional conduits outside the pump body 200 to form straight sections.

And, the pump body 200 is provided with a wiring hole (not marked), and the cable connected with the sensor passes through the wiring hole in a sealing way and is electrically connected with the controller. A sealing member such as a seal ring is provided in a wiring hole provided in the pump body 200 to seal a cable passing through the wiring hole. The cables connected to the sensors are conveniently and electrically connected with the controller after extending from the pump body 200.

Further, as shown in fig. 11, a first baffle 21 is further provided in the detection pipe 2, and the first baffle 21 extends along the axis of the detection pipe 2 and is arranged on the water intake side of the sensor 31.

Specifically, through dispose first guide plate 21 in detecting pipeline 2, the rivers that the direction that first guide plate 21 can be better flowed into in detecting pipeline 2, first guide plate extends along the axis direction of detecting pipeline 2 and arranges to make rivers can flow in detecting pipeline 2 more quick steady, and then play better balanced rivers velocity of flow in detecting pipeline 2. Still further, a second baffle 22 is further provided in the detection pipe 2, the second baffle 22 extending along the axis of the detection pipe 2 and being arranged on the water outlet side of the sensor 31. Specifically, the second baffle 22 is configured on the same water outlet side of the sensor 31 in the detection pipeline 2 to guide the water flow in the detection pipeline 2 to be smoothly led out, so as to more effectively ensure that the water flow velocity in the detection pipeline 2 reaches uniformity.

Similarly, as shown in fig. 12, a mounting cavity 23 is formed inside the detection pipe 2, and a water inlet flow passage 24 and a water outlet flow passage 25 are formed in the detection pipe 2, and the water inlet flow passage 24 and the water outlet flow passage 25 are respectively communicated with the mounting cavity 23.

Specifically, in order to more effectively reduce the overall length of the detection pipeline 2 and meet the installation requirement of the sensor 31, the installation cavity 23 can be formed in the middle position of the overhaul pipeline to install the sensor 31, and the two sides of the installation cavity 23 are provided with the water inlet flow channel 24 and the water outlet flow channel 25 with smaller diameter compared with the installation cavity 23, so that the requirement of the flow meter 3 on the length of the straight pipe section during detection is met by utilizing the water inlet flow channel 24 and the water outlet flow channel 25, and meanwhile, the overall length of the detection pipeline 2 can be more effectively shortened due to the smaller pipe diameters of the water inlet flow channel 24 and the water outlet flow channel 25.

Further, along the flow direction of the water in the pump body 200, the outer dimension of the detection pipe 2 gradually increases from the water inlet channel 24 to the installation cavity 23, and gradually decreases from the installation cavity 23 to the water outlet channel 25.

Specifically, because the detection pipeline 2 is suspended in the pump body 200 through the support frame 1, in order to reduce that the detection pipeline 2 causes great water resistance to the rivers in the pump body 200, the water inlet end and the water outlet end of the detection pipeline 2 are both arranged to be conical structures, so as to play a role in guiding the rivers, and further realize reducing the water resistance to the rivers.

In some embodiments, to facilitate wiring of the sensor 31, a wiring channel (not labeled) is provided in the support frame 1, in which a cable between the controller and the sensor 31 is arranged.

The sensor of the flowmeter is installed through the configuration of the detection pipeline, the length of the detection pipeline is short, the pipe diameter is small, and therefore the ratio of the diameter to the length required to be achieved by the sensor of the flowmeter to meet the measurement accuracy can be met, the water flow velocity in the detection pipeline can be evenly distributed at the position of the flow channel sensor, so that accurate measurement of the sensor of the flowmeter is ensured, the size of the detection pipeline relative to the water inlet and outlet of the water pump is small, occupied space can be reduced from the whole water pump installation, and the length of a straight pipe section required to be configured for installing the flowmeter is reduced, so that the occupied space required for installing the water pump is reduced.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. A water-cooled variable speed motor, comprising: shell, stator, rotor, pivot, mount pad, end cover and frequency conversion module, the stator with the rotor sets up in the shell, the pivot rotationally sets up on the shell, the rotor sets up in the pivot, the mount pad sets up on the shell, be provided with mounting groove on the mount pad, the inside water-cooling runner that forms of end cover, the end cover sets up on the mount pad and covers mounting groove, the pivot runs through in proper order the mount pad with the end cover, frequency conversion module is located in the mounting groove and with the end cover heat conduction is connected.

2. The water-cooled variable speed motor of claim 1, wherein the end cover comprises a sealing cover plate and a heat conducting cover plate, the sealing cover plate and the heat conducting cover plate are connected together in a sealing manner, the water-cooled flow channel is formed between the sealing cover plate and the heat conducting cover plate, and the frequency conversion module is arranged on the heat conducting cover plate.

3. The water-cooled variable speed motor of claim 2, wherein a water flow groove is formed on the sealing cover plate and/or the heat conducting cover plate, the water flow groove forms the water cooling flow channel between the sealing cover plate and the heat conducting cover plate, and the frequency conversion module is arranged on the heat conducting cover plate.

4. A water-cooled variable speed motor according to claim 3, wherein the sealing cover plate is provided with an inlet and an outlet, the inlet and the outlet being respectively communicated with the water flow grooves.

5. The water-cooled variable speed motor of claim 4, wherein the heat conductive cover plate is provided with a buffer groove, the buffer groove being disposed opposite to the outlet.

6. The water-cooled variable speed motor of claim 3, wherein a plurality of protrusion structures are provided in the water flow groove.

7. The water-cooled variable speed motor of claim 1, wherein the side wall of the mounting groove is further provided with a ventilation groove, the outer wall of the mounting seat is further provided with an air duct communicated with the ventilation groove, and a heat dissipation fan is arranged in the ventilation groove.

8. An intelligent water pump, comprising a pump body, wherein the pump body is provided with a water inlet cavity and a water outlet cavity, and the intelligent water pump is characterized by further comprising a water-cooled variable speed motor as claimed in any one of claims 1-7, wherein the water inlet cavity and the water outlet cavity are respectively connected with a water-cooled runner of the water-cooled variable speed motor through connecting pipes.

9. The intelligent water pump according to claim 8, wherein a water inlet pipe and a water outlet pipe are arranged on the pump body, the water inlet pipe is communicated with the water inlet cavity, and the water outlet pipe is communicated with the water outlet cavity; the water inlet pipe or be provided with flow detection module in the outlet pipe, flow detection module includes support frame, detection pipeline and flowmeter, the support frame sets up in the inlet pipe, the detection pipeline sets up on the support frame and unsettled the arranging in the inlet pipe, the sensor setting of flowmeter is in the detection pipeline.

10. The intelligent water pump according to claim 9, wherein an installation cavity is formed in the detection pipeline, and a water inlet flow passage and a water outlet flow passage are formed in the detection pipeline and are respectively communicated with the installation cavity.