CN209922967U - Water purifier - Google Patents
Water purifier Download PDFInfo
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- CN209922967U CN209922967U CN201920229652.0U CN201920229652U CN209922967U CN 209922967 U CN209922967 U CN 209922967U CN 201920229652 U CN201920229652 U CN 201920229652U CN 209922967 U CN209922967 U CN 209922967U
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- control panel
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- booster pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 238000009434 installation Methods 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims description 30
- 230000004323 axial length Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims 6
- 230000000694 effects Effects 0.000 abstract description 6
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Abstract
The utility model discloses a water purifier, including the booster pump, the booster pump include brushless motor and with brushless motor sealing connection's pump head, be equipped with water inlet and delivery port on the pump head, delivery port department installation pressure sensor. The utility model provides a water purifier adopts brushless motor, the effectual noise that has reduced the booster pump and produce in the use sets up pressure sensor at the delivery port of pump head, and the booster pump is adjusted motor speed according to the pressure signal that pressure sensor recorded, makes the booster pump delivery pressure reach the optimum to improve the filter effect of purifier.
Description
Technical Field
The utility model belongs to the domestic appliance field, specifically speaking relates to a purifier.
Background
Along with the increasing demand of people on healthy water, the market of the water purifier is rapidly developed, and the demand of people on water is met to a great extent. However, still have some problems, the purifier among the prior art generally adopts the direct current to have the brush motor to drive pump head work, and the volume of whole water pump is great, and the during operation produces great noise and vibration, and the life-span is also lower, can not be fine satisfy user's requirement, and user experience is relatively poor.
The water pressure of different users, or same user different time quantum is inequality, and current brushless motor can only operate with fixed rotational speed, can't adjust the functioning speed by oneself to different water pressures, can not provide the optimal play water pressure for the filtration of RO membrane filter core, not only can reduce the filter effect of filter core, still can reduce the life of filter core.
In view of this, the present invention is provided.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in overcoming the not enough of prior art, provides a brushless motor, and its aim at reduces the noise of purifier in the use, and its another aim at makes the water pump can adjust water pressure by oneself, and then improves the filter effect of purifier.
In order to solve the technical problem, the utility model adopts the following basic concept:
the utility model provides a water purifier, includes the booster pump, the booster pump include brushless motor and with brushless motor sealing connection's pump head, be equipped with water inlet and delivery port on the pump head, delivery port department installation pressure sensor.
Further, brushless motor includes inside hollow casing, and the casing is inside to be equipped with the control panel, and pressure sensor is connected with the control panel electricity.
Further, the purifier includes the water route, and series connection installs booster pump and RO membrane filter core in proper order on the water route, and the delivery port of booster pump is connected with the end of intaking of RO membrane filter core.
Further, be equipped with first solenoid valve and second solenoid valve on the water route, the second solenoid valve passes through pipeline parallel connection with the booster pump and forms parallelly connected water route, first solenoid valve series connection sets up the upper reaches in the water route after second solenoid valve and the booster pump are parallelly connected, and RO membrane filter core series connection sets up the low reaches in the water route after second solenoid valve and the booster pump are parallelly connected, first solenoid valve and second solenoid valve are connected with the control panel.
Further, the casing is the cylinder that is vertical extension, and the pump head passes through bolt detachable fixed mounting at the tip of casing, and relative both ends are equipped with front end housing and rear end cap respectively on the casing, the front end housing is located between casing and the pump head, and front end housing, rear end cap respectively with casing detachable and sealing connection.
Further, water inlet and delivery port horizontal intercommunication, and mutually perpendicular with the extending direction of casing, the pump head includes the base with the front end housing looks fixed connection of casing, and water inlet and delivery port are all the direct insertion type body structure of fixing on the base, are equipped with a mounting hole on the lateral wall of delivery port, and pressure sensor installs in the mounting hole, and pressure sensor's one end stretches into in the delivery port, and the other end passes through the line and is connected with the control panel.
Further, brushless motor is including installing rotor, stator and the motor shaft inside, the coaxial setting at the casing, the rotor is the permanent magnet, the stator is around establishing in the periphery of rotor, and fixed with the casing laminating, the rotor with the motor shaft is installed at the center of casing, and is set up along the extending direction of casing, set up first bearing and second bearing between motor shaft and front end housing and the rear end housing respectively, and the output of motor shaft passes the front end housing and is connected with the pump head.
Further, the terminal surface parallel and level of stator and rotor sets up, and the length of stator and rotor is less than the axial length of motor shaft, and the control panel setting is on the preceding terminal surface of stator and rotor, or the rear end face, and the position sensor is installed to the position relative to the rotor on the control panel.
Further, control panel and stator fixed connection are equipped with the fixed plate between control panel and the stator, one side detachable of fixed plate is fixed on the terminal surface of stator, and the opposite side of fixed plate is equipped with to the convex fixed jack catch of control panel, is equipped with a plurality of looks spaced locating holes on the control panel, fixed jack catch inserts to the locating hole of control panel.
Furthermore, the control panel is fixed on a front end cover or a rear end cover of the brushless motor, a plurality of spaced positioning holes are formed in the control panel, positioning columns which protrude towards the inside of the shell and correspond to the positioning holes are formed in the front end cover or the rear end cover, and the control panel is fixed in the positioning holes which are correspondingly inserted into the control panel.
After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has.
1. The utility model provides a purifier adopts brushless motor, and its output and overall dimension's ratio are high, vibrate for a short time, have reduced the motor and produced the noise when turning to.
2. Pressure sensor set up the delivery port at the pump head, can real-time measurement delivery port's pressure, pressure sensor with the control panel electricity is connected, and the control panel is according to pressure sensor's signal corresponding control the rotational speed of motor makes the membrane front pressure of RO membrane filter core reach the optimum, and then improves the filter effect of filter core and the life of filter core.
3. The utility model discloses in set up two solenoid valves, wherein, first solenoid valve is the closing in total switch, the whole water route of control, and second solenoid valve and booster pump parallel connection have solved the technical problem that the membrane front pressure of RO membrane filter core is big in the current purifier to guaranteed the electric current stability of booster pump, further reduced the big problem of booster pump noise.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, 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 without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic structural diagram of a booster pump according to an embodiment of the present invention;
FIG. 2 is a sectional view of the booster pump according to the embodiment of the present invention;
fig. 3 is a schematic view of a waterway system of the water purifier in the embodiment of the present invention.
Description of the main elements in the figures: 1. a booster pump; 2. an RO membrane filter element; 3. a first solenoid valve; 4. a second solenoid valve; 10. a brushless motor; 100. a housing; 101. a stator; 102. a rotor; 103. a motor shaft; 104. a first bearing; 105. a second bearing; 106. a fixing plate; 107. fixing the clamping jaw; 108. a control panel; 20. a pump head; 201. a water inlet; 202. a water outlet; 203. a base; 5. a pressure sensor.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in figure 1, the embodiment of the utility model provides a water purifier, including the water route, the series connection installs booster pump 1 and RO membrane filter core 2 on the water route, booster pump 1 is connected like water tap with outside water intake system, water realizes filterable purpose through RO membrane filter core 2 after booster pump 1 pressure boost.
In this embodiment, booster pump 1 includes brushless motor 10 and the pump head 20 with brushless motor 10 looks sealing connection, is equipped with the water inlet 201 and the delivery port 202 that are linked together on the pump head 20, delivery port 202 department is equipped with pressure sensor 5, and booster pump 1's delivery port 202 is connected with RO membrane filter core 2's the end of intaking to make pressure sensor 5 implement the pressure of measuring booster pump 1 delivery port 202, ensure the stability of RO membrane filter core 2's pressure before the membrane, guarantee the filter effect of filter core.
In this embodiment, the brushless motor 10 includes a hollow housing 100, a rotor 102, a stator 101, a motor shaft 103 and a control board 108 installed inside the housing 100, the rotor 102 is a permanent magnet, the stator 101 is a magnetizer winding coil, the stator 101 is wound around the periphery of the rotor 102, the control board 108 is connected to the stator 101 to provide an energizing current for the stator 101, the electromagnetism generated by the stator 101 acts on the rotor 102 to rotate the rotor 102 and the motor shaft 103, the pressure sensor 5 is electrically connected to the control board 108 through a connecting wire, the control board 108 correspondingly controls the rotation speed of the motor according to the signal of the pressure sensor 5 to optimize the pre-membrane pressure of the RO membrane filter element 2, when the pressure measured by the pressure sensor 5 is greater than a set value, the control board 108 reduces the energizing current according to the pressure signal of the pressure sensor 5 to further reduce the rotation speed of the motor and reduce the pressure at the water, when the pressure measured by the pressure sensor 5 is smaller than the set value, the control panel 108 increases the energizing current according to the pressure signal of the pressure sensor 5, so as to increase the rotating speed of the motor and the pressure of the water outlet 202 of the booster pump 1, so that the pre-membrane pressure of the RO membrane filter element 2 reaches the optimum value, and the filtering effect of the filter element and the service life of the filter element can be effectively improved.
The utility model discloses in, set up pressure sensor 5 at the delivery port 202 of booster pump 1, the purpose of control motor rotational speed is realized to the operating current through control motor according to the pressure of the delivery port 202 that pressure sensor 5 recorded to control panel 108, and booster pump 1 adopts brushless motor 10, and its output is high with the overall dimension, and the vibration is little, has reduced the motor and has produced the noise when turning to.
Example two
As shown in fig. 1, the booster pump 1 according to the embodiment of the present invention includes a pump head 20 and a brushless motor 10, the brushless motor 10 includes a housing 100, a rotor 102, a stator 101 and a control board 108 are installed in the housing 100 in a hollow manner, the stator 101 is wound around the periphery of the rotor 102, and the periphery of the stator 101 is attached to the housing 100, so that the structure is compact, the rotor 102 is a permanent magnet, the stator 101 is a magnetizer winding coil, the control board 108 is connected to the stator 101, and provides an energizing current for the stator 101, and an electromagnetic wave generated by the stator 101 acts on the rotor 102 to rotate the rotor 102; the brushless motor 10 further comprises a motor shaft 103, the motor shaft 103 is fixedly connected with the rotor 102, and one end of the motor shaft 103 extends out of the housing 100 to be connected with the pump head 20.
In this embodiment, the pump head 20 includes the base 203 fixed with the brushless motor 10, be equipped with first screw hole on the base 203, the last position for first screw hole that sets up of brushless motor 10 sets up the second screw hole, and the base 203 passes first screw hole and second screw hole through the bolt and carries out fixed connection, is equipped with water inlet 201 and delivery port 202 on the base 203, water inlet 201 and delivery port 202 are all the formula body structure of cuting straightly on the base 203, and water inlet 201 and delivery port 202 coaxial setting are equipped with a mounting hole on the lateral wall of delivery port 202, and pressure sensor 5 installs in the mounting hole, and inside pressure sensor 5's one end stretched into delivery port 202, the other end was connected with control panel 108 through the line, and the both ends of line are connected with control panel 108 and pressure sensor 5.
In this embodiment, the brushless motor 10 includes a housing 100, the housing 100 is a hollow cylinder, two opposite ends of the housing 100 are respectively provided with a front end cover and a rear end cover, the front end cover is located between the housing 100 and a base 203 of the pump head 20, the front end cover and the rear end cover are respectively detachably connected to the housing 100, and a sealing ring is arranged between the front end cover and the housing 100; the motor shaft 103 is installed along its axial direction at the center of casing 100, and the both ends of motor shaft 103 respectively with front end housing and rear end cap rotatable coupling, be equipped with first bearing 104 between motor shaft 103 and the front end housing, motor shaft 103 passes the front end housing and is connected with pump head 20, sealing connection between motor shaft 103 and the front end housing, be equipped with second bearing 105 between motor shaft 103 and the rear end housing, the middle part of rear end housing is equipped with the recess of caving in backward, and the rear end of motor shaft 103 stretches into to the recess in, and second bearing 105 cover is established on stretching into the motor shaft 103 in the recess.
In this embodiment, a rotor 102 is fixed on a motor shaft 103, a stator 101 is sleeved on the outer periphery of the rotor 102, the stator 101 is fixedly attached to a housing 100, the overall structure is compact, and the volume of the motor is reduced to a certain extent, the motor shaft 103, the rotor 102, the stator 101 and the housing 100 are all coaxially arranged, the front end faces and the rear end faces of the stator 101 and the rotor 102 are arranged in parallel, the lengths of the stator 101 and the rotor 102 are smaller than the axial length of the motor shaft 103, a control board 108 is arranged on the front end faces or the rear end faces of the stator 101 and the rotor 102, a position sensor (not shown in the figure) is installed on the control board 108 relative to the rotor 102, and the direction of an electrified current can be changed by the control board 108 according to the position change of the rotor 102 measured by the position sensor, so that the.
In this embodiment, the control plate 108 is fixedly connected to the stator 101, the fixing plate 106 is disposed between the control plate 108 and the stator 101, one side of the fixing plate 106 is detachably fixed to the front end surface or the rear end surface of the stator 101, the other side of the fixing plate 106 is provided with a fixing claw 107 protruding toward the control plate 108, the control plate 108 is provided with a plurality of spaced positioning holes, and the fixing claw 107 is inserted into the positioning hole of the control plate 108 to fix the control plate 108; the fixing plate 106 extends along the radial direction of the stator 101, and when one end of the fixing plate 106 is fixed on the end surface of the stator 101, the other end extends towards the rotor 102 to block the axial movement of the rotor 102, so that the end surfaces of the stator 101 and the rotor 102 are flush.
In this embodiment, the control board 108 is fixed on the front end cover or the rear end cover of the brushless motor 10, the control board 108 is provided with a plurality of spaced positioning holes, the front end cover or the rear end cover is provided with positioning columns protruding towards the inside of the housing 100 and corresponding to the positioning holes, and the positioning columns are correspondingly inserted into the positioning holes of the control board 108 to fix the control board 108, so that the number of fixing parts of the control board 108 is reduced, and the overall structure is more compact.
EXAMPLE III
In this embodiment the purifier include the water route, be equipped with first solenoid valve 3, second solenoid valve 4, booster pump 1 and RO membrane filter core 2 on the water route, booster pump 1 and 4 parallel connection of second solenoid valve, the upper reaches in the water route after second solenoid valve 4 and booster pump 1 are parallelly connected to first solenoid valve 3 series sets up, and RO membrane filter core 2 series connection sets up the low reaches in the water route after second solenoid valve 4 and booster pump 1 are parallelly connected, first solenoid valve 3 and second solenoid valve 4 are connected with control panel 108, and first solenoid valve 3 is master switch, controls the flow of water route normal water.
In this embodiment, the booster pump 1 is disposed at the upstream of the RO membrane filter element 2, the pressure sensor 5 is installed at the water outlet 202 of the booster pump 1, the pressure sensor 5 and the second electromagnetic valve 4 are both connected to the control board 108, during the operation of the water purifier, the pressure sensor 5 detects the pressure at the water outlet end of the booster pump 1 and feeds the pressure back to the control board 108, on one hand, the control board 108 adjusts the input current of the stator 101 according to the detected pressure, and further controls the rotation speed of the rotor 102, on the other hand, the pressure at the water inlet end of the RO membrane filter element 2 is controlled by controlling the second electromagnetic valve 4, under normal conditions, the water flow flows along the main water paths of the booster pump 1 and the RO membrane filter element 2, however, the water inlet end of the RO membrane filter element 2 is blocked under the condition of long-time use, so that the pressure at the water inlet end of the RO, the control board 108 is opened by the solenoid valve, so that a part of water flow is divided to the branch water path connected with the second solenoid valve 4 and flows to the water inlet end of the RO membrane filter element 2 through the second solenoid valve 4, thereby reducing the pressure at the water inlet end of the RO membrane filter element 2, and when the pressure of the water outlet 202 of the booster pump 1 measured by the pressure sensor 5 is smaller than the set pressure value, the solenoid valve is closed.
Through the setting, the utility model provides a technical problem that pressure is big before the current purifier membrane to guaranteed that booster pump 1's electric current is stable, further reduced the big problem of booster pump 1 noise.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.
Claims (10)
1. The utility model provides a purifier, includes the booster pump, its characterized in that: the booster pump includes brushless motor and with brushless motor sealing connection's pump head, is equipped with water inlet and delivery port on the pump head, delivery port department installation pressure sensor.
2. A water purification machine according to claim 1, wherein: the brushless motor comprises a hollow shell, a control panel is arranged in the shell, and the pressure sensor is electrically connected with the control panel.
3. A water purification machine according to claim 1 or 2, wherein: the purifier includes the water route, and series connection installation booster pump and RO membrane filter core in proper order on the water route, the delivery port of booster pump is connected with the end of intaking of RO membrane filter core.
4. A water purification machine according to claim 3, wherein: be equipped with first solenoid valve and second solenoid valve on the water route, the second solenoid valve passes through pipeline parallel connection with the booster pump and forms parallelly connected water route, first solenoid valve series connection sets up the upper reaches in the water route after second solenoid valve and the booster pump are parallelly connected, and RO membrane filter core series connection sets up the low reaches in the water route after second solenoid valve and the booster pump are parallelly connected, first solenoid valve and second solenoid valve are connected with the control panel.
5. A water purification machine according to claim 2, wherein: the casing is the cylinder that is vertical extension, and the pump head passes through bolt detachable fixed mounting at the tip of casing, and relative both ends are equipped with front end housing and rear end cap respectively on the casing, the front end housing is located between casing and the pump head, and front end housing, rear end cap respectively with casing detachable and sealing connection.
6. A water purification machine according to claim 1 or 2, wherein: the water inlet and the water outlet are horizontally communicated and are perpendicular to the extending direction of the shell, the pump head comprises a base fixedly connected with a front end cover of the shell, the water inlet and the water outlet are of a direct insertion type pipe body structure fixed on the base, a mounting hole is formed in the side wall of the water outlet, the pressure sensor is mounted in the mounting hole, one end of the pressure sensor extends into the water outlet, and the other end of the pressure sensor is connected with the control panel through a connecting line.
7. A water purification machine according to claim 2, wherein: brushless motor is including installing rotor, stator and the motor shaft at inside, the coaxial setting of casing, the rotor is the permanent magnet, the stator is around establishing in the periphery of rotor, and fixed with the casing laminating, the rotor with the motor shaft is installed at the center of casing, and is set up along the extending direction of casing, set up first bearing and second bearing between motor shaft and front end housing and the rear end cap respectively, and the output of motor shaft passes the front end housing and is connected with the pump head.
8. The water purifier of claim 7, wherein: the terminal surface parallel and level of stator and rotor sets up, and the length of stator and rotor is less than the axial length of motor shaft, and the control panel setting is on the preceding terminal surface of stator and rotor, or the rear end face, and position sensor is installed to the position relative to the rotor on the control panel.
9. The water purifier of claim 8, wherein: the control panel is equipped with the fixed plate with stator fixed connection between control panel and the stator, one side detachable of fixed plate fixes on the terminal surface of stator, and the opposite side of fixed plate is equipped with to the convex fixed jack catch of control panel, is equipped with a plurality of looks spaced locating holes on the control panel, fixed jack catch inserts to the locating hole of control panel.
10. The water purifier of claim 8, wherein: the control panel is fixed on the front end cover or the rear end cover of the brushless motor, a plurality of spaced positioning holes are formed in the control panel, positioning columns which protrude towards the inside of the shell and correspond to the positioning holes are arranged on the front end cover or the rear end cover, and the control panel is fixed in the positioning holes correspondingly inserted into the control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229652.0U CN209922967U (en) | 2019-02-22 | 2019-02-22 | Water purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229652.0U CN209922967U (en) | 2019-02-22 | 2019-02-22 | Water purifier |
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| Publication Number | Publication Date |
|---|---|
| CN209922967U true CN209922967U (en) | 2020-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920229652.0U Active CN209922967U (en) | 2019-02-22 | 2019-02-22 | Water purifier |
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| CN (1) | CN209922967U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111977725A (en) * | 2020-09-16 | 2020-11-24 | 安徽智泓净化科技股份有限公司 | Brushless motor for booster water pump of water purifier and working method of brushless motor |
| CN112520817A (en) * | 2020-12-18 | 2021-03-19 | 珠海格力电器股份有限公司 | Reverse osmosis water purification system control method and device and reverse osmosis water purification system |
| CN114583881A (en) * | 2022-03-02 | 2022-06-03 | 安徽智泓净化科技股份有限公司 | Booster pump with brushless motor for reverse osmosis water purifier |
-
2019
- 2019-02-22 CN CN201920229652.0U patent/CN209922967U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111977725A (en) * | 2020-09-16 | 2020-11-24 | 安徽智泓净化科技股份有限公司 | Brushless motor for booster water pump of water purifier and working method of brushless motor |
| CN112520817A (en) * | 2020-12-18 | 2021-03-19 | 珠海格力电器股份有限公司 | Reverse osmosis water purification system control method and device and reverse osmosis water purification system |
| CN112520817B (en) * | 2020-12-18 | 2024-05-17 | 珠海格力电器股份有限公司 | Reverse osmosis water purification system control method and device and reverse osmosis water purification system |
| CN114583881A (en) * | 2022-03-02 | 2022-06-03 | 安徽智泓净化科技股份有限公司 | Booster pump with brushless motor for reverse osmosis water purifier |
| CN114583881B (en) * | 2022-03-02 | 2023-11-14 | 安徽智泓净化科技股份有限公司 | Booster pump with brushless motor for reverse osmosis water purifier |
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