CN212615424U - Energy-saving water pump with axial magnetic suspension rotor characteristics - Google Patents
Energy-saving water pump with axial magnetic suspension rotor characteristics Download PDFInfo
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- CN212615424U CN212615424U CN202021342747.2U CN202021342747U CN212615424U CN 212615424 U CN212615424 U CN 212615424U CN 202021342747 U CN202021342747 U CN 202021342747U CN 212615424 U CN212615424 U CN 212615424U
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Abstract
The utility model relates to a water pump technical field just discloses an energy-conserving water pump of axial magnetic suspension rotor characteristic, the on-line screen storage device comprises a base, the bottom fixedly connected with motor driver of base, the top fixedly connected with lower bearing cap of base, fixed mounting has lower sliding bearing down on the lower bearing cap, lower sliding bearing's top fixed mounting has suspension magnetic ring one, suspension magnetic ring one with lower sliding bearing fixed mounting is in the up end of lower bearing cap. The utility model discloses a high-speed rotation of permanent magnet rotor, permanent magnet rotor and fix all parts on permanent magnet rotor will not have any mechanical parts's friction and contact in the axial, are in absolute suspended state to the useless loss of significantly reducing improves the efficiency and the life of product greatly, can increase the velocity of flow of water through the impeller of special appearance and structure or pressure boost screw rod or turbofan impeller, thereby increases efficiency.
Description
Technical Field
The utility model relates to a water pump technical field specifically is an energy-conserving water pump of axial magnetic suspension rotor characteristic.
Background
Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of the prime mover of the water pump or other external energy to the liquid to increase the energy of the liquid, and is mainly used for transferring the liquid including water, oil, acid-base liquid, emulsion, suspoemulsion, etc. Water pumps have long generally been axially restrained against the rotor assembly by ball bearings or direct mechanical contact of the axial end faces. The stator of the water pump drives the rotor part and the impeller fixed on the rotor part to rotate at a high speed, and the water body or liquid is pushed to flow or is discharged under the action of the high-speed rotation of the impeller. The rotor assembly can receive axial reaction force in the running process of the water pump, the limiting device of the rotor assembly in the water pump structure is used for resisting the reaction force, the direction of the axial reaction force received by the rotor assembly during working of most of water pumps after being designed is determined and unidirectional, and the rotor assembly can receive at least one group of axial reaction force in a certain way regardless of the design of the water inlet direction and the water outlet direction of the water pump, and the direction of the axial reaction force is opposite to the water inlet direction or the water outlet direction. The utility model provides an energy-conserving water pump of axial magnetic suspension rotor characteristic has just fundamentally solved this kind of defect at present, and the problem of ball bearing and end face contact type stop device's loss maintenance has still been solved simultaneously to the utility model of an energy-conserving water pump of axial magnetic suspension rotor characteristic.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy-conserving water pump of axial magnetic suspension rotor characteristic to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an energy-saving water pump with axial magnetic suspension rotor characteristics comprises a base, wherein a motor driver is fixedly connected to the bottom of the base, a lower bearing cover is fixedly connected to the top of the base, a lower sliding bearing is fixedly mounted on the lower bearing cover, a first suspension magnetic ring is fixedly mounted at the top of the lower sliding bearing, the first suspension magnetic ring and the lower sliding bearing are fixedly mounted on the upper end face of the lower bearing cover, a brushless motor shell is fixedly mounted at the top of the lower bearing cover, a stator is mounted on the inner wall of the brushless motor shell, a stator wire frame is mounted and fixed on the stator, a permanent magnet rotor is mounted in a concentric circular cavity of the stator and the brushless motor shell, a first suspension magnetic ring and a second suspension magnetic ring are fixedly mounted on the permanent magnet rotor and a rotating shaft, and a second suspension magnetic ring is mounted and fixed in the first suspension magnetic ring downwards, a third suspension magnetic ring is upwards installed and fixed in the second suspension magnetic ring, a closed impeller is installed and fixed at the upper end of the rotating shaft, the first suspension magnetic ring, the second suspension magnetic ring, the third suspension magnetic ring and the closed impeller belong to attachments of the permanent magnet rotor, an upper bearing cover is installed and fixed at the upper part of the brushless motor shell, an upper sliding bearing and a fourth suspension magnetic ring are fixedly installed on the upper bearing cover, the upper sliding bearing is located at the upper part of the fourth suspension magnetic ring, a flow guide cover is installed and fixed on the upper end face of the brushless motor shell, 5 spiral flow guide plates are structurally designed on the flow guide cover, the closed impeller is located at an inner hole of the flow guide cover after being assembled, the inner hole diameter of the flow guide cover is 0.5-1MM larger than the outer diameter of the circular wall of the closed impeller, and the attachments of the permanent magnet rotor and the permanent magnet rotor are supported and fixed through a lower sliding .
Preferably, a first suspension magnetic ring and a shaft sleeve are fixed at the top of the base, the permanent magnet rotor is fixed by injection molding of a plastic one-time injection molding turbofan impeller-rotor glue or is fixed by injection molding of a plastic one-time injection molding rotor glue, the turbofan impeller-rotor glue or the rotor glue is provided with a center hole flow channel with a center penetrating through, a second suspension magnetic ring is installed and fixed at the lower end part of the turbofan impeller-rotor glue or the rotor glue, a boosting screw rod is installed and fixed in the center hole flow channel of the rotor glue, an upper sliding bearing and a lower sliding bearing are respectively and fixedly installed at the upper end and the lower end of a central axis of the turbofan impeller-rotor glue or the boosting screw rod, the shaft sleeve is installed and fixed at the upper part of the brushless motor shell, and two ends of the rotating shaft are installed and fixed between the.
Preferably, one end of the brushless motor shell is connected with a water inlet cover, and one end of the water inlet cover is fixedly provided with a shaft sleeve and a suspension magnetic ring IV; the suspension magnetic ring IV and the shaft sleeve are arranged in a superposed manner, the suspension magnetic ring IV is arranged on the end surface of the water inlet cover, the brushless motor shell is provided with a water outlet flow channel joint perpendicular to the axial direction of the water inlet cover, and the shaft sleeve and the suspension magnetic ring I are fixedly arranged on the other end of the brushless motor shell; the first suspension magnetic ring and the shaft sleeve are installed in an overlapping mode, the first suspension magnetic ring is arranged on the end face of the inner protruding platform of the brushless motor shell, and a rotating shaft is fixedly installed between the shaft sleeve and the shaft sleeve.
Preferably, the permanent magnet rotor and the rotating shaft are formed by one-time injection molding and fixing of plastic magnet, and the plastic magnet is punched to form the permanent magnet rotor during injection molding.
Preferably, the closed impeller has 5 spiral blades and an outer circular wall.
Preferably, the end faces of the second suspension magnetic ring and the first suspension magnetic ring are opposite and have no mechanical contact, and the polarity of the end faces is the same.
Preferably, the end faces of the suspension magnetic ring IV and the suspension magnetic ring III are opposite and have no mechanical contact, and the polarity of the end faces is the same.
The utility model provides an energy-conserving water pump of axial magnetic suspension rotor characteristic. The method has the following beneficial effects:
(1) the utility model discloses a high-speed rotation of permanent magnet rotor, the permanent magnet rotor and fixing all parts on the permanent magnet rotor will not have the friction and the contact of any mechanical part in the axial, are in absolute suspended state to the loss of the useless work that significantly reduces improves the efficiency and the life of product greatly.
(2) The utility model discloses an impeller or pressure boost screw rod or turbofan impeller of special shape and structure can increase the velocity of flow of water to increase efficiency.
Drawings
Fig. 1 is a structural diagram of a first embodiment of the present invention;
fig. 2 is a perspective structural view of a first embodiment of the present invention;
FIG. 3 is a partial structural view of a first embodiment of the present invention;
fig. 4 is a structural view of a pressurizing screw according to a second embodiment of the present invention;
fig. 5 is a structural view of a turbofan impeller according to the second embodiment of the present invention;
fig. 6 is a structural diagram of a third embodiment of the present invention.
In the figure: the device comprises a motor driver 1, a base 2, a lower bearing cover 3, a lower sliding bearing 4, a first suspension magnetic ring 5, a second suspension magnetic ring 6, a first suspension magnetic ring 7, a permanent magnet rotor 8, a second suspension magnetic ring 9, a third suspension magnetic ring 10, a fourth suspension magnetic ring 11, a sliding bearing 12, an upper bearing cover 13, a rotating shaft 14, an impeller 15, a diversion cover 16, a brushless motor shell 17, a stator 18, a stator coil holder 19, a pressurizing screw 20 and a turbofan impeller 21.
Detailed Description
The first embodiment is as follows:
as shown in fig. 1-3:
an energy-saving water pump with axial magnetic suspension rotor characteristics comprises a base 2, a motor driver 1 is fixedly connected to the bottom of the base 2, a lower bearing cover 3 is fixedly connected to the top of the base 2, a lower sliding bearing 4 is fixedly installed on the lower bearing cover 3, a first suspension magnetic ring 5 is fixedly installed on the top of the lower sliding bearing 4, the first suspension magnetic ring 5 and the lower sliding bearing 4 are fixedly installed on the upper end face of the lower bearing cover 3, a brushless motor shell 17 is fixedly installed on the top of the lower bearing cover 3, a stator 18 is installed on the inner wall of the brushless motor shell 17, a stator wire frame 19 is installed and fixed on the stator 18, a permanent magnet rotor 8 is installed in a concentric circular cavity of the stator 18 and the brushless motor shell 17, a first suspension magnetic ring 7 and a second suspension magnetic ring 9 are fixedly installed on the permanent magnet rotor 8 and a rotating shaft 14, a second suspension magnetic ring 6 is installed and fixed in the first suspension magnetic ring 7, and a third suspension magnetic ring 10 is, the upper end of a rotating shaft 14 is fixedly provided with a closed impeller 15, the rotating shaft 14, a first suspension magnetic ring 7, a second suspension magnetic ring 9, a second suspension magnetic ring 6, a third suspension magnetic ring 10 and the closed impeller 15 belong to attachments of a permanent magnet rotor 8, the upper part of a brushless motor shell 17 is fixedly provided with an upper bearing cover 13, the upper bearing cover 13 is fixedly provided with an upper sliding bearing 12 and a fourth suspension magnetic ring 11, the upper sliding bearing 12 is positioned at the upper part of the fourth suspension magnetic ring 11, the upper end surface of the brushless motor shell 17 is fixedly provided with a flow guide cover 16, the flow guide cover 16 is structurally provided with 5 spiral flow guide sheets, the closed impeller 15 is assembled and positioned at the inner hole of the flow guide cover 16, the inner hole diameter of the flow guide cover 16 is 0.5-1 larger than the outer diameter of the circular wall of the closed impeller 15, the attachments of the permanent magnet rotor 8 and the permanent magnet rotor 8 are supported by the lower sliding bearing 4 and the upper sliding bearing 12, the plastic magnet is punched to form a permanent magnet rotor 8 during injection molding, the closed impeller 15 is provided with 5 spiral blades and an outer circular ring wall, the end faces of the second suspension magnetic ring 6 and the first suspension magnetic ring 5 are opposite and have no mechanical contact, the polarity of the end faces is the same, the end faces of the fourth suspension magnetic ring 11 and the third suspension magnetic ring 10 are opposite and have no mechanical contact, and the polarity of the end faces is the same.
Example two:
as shown in fig. 4-5:
an energy-saving water pump with axial magnetic suspension rotor characteristics comprises a base 2, a motor driver 1 is fixedly connected to the bottom of the base 2, a lower bearing cover 3 is fixedly connected to the top of the base 2, a lower sliding bearing 4 is fixedly installed on the lower bearing cover 3, a first suspension magnetic ring 5 is fixedly installed on the top of the lower sliding bearing 4, the first suspension magnetic ring 5 and the lower sliding bearing 4 are fixedly installed on the upper end face of the lower bearing cover 3, a brushless motor shell 17 is fixedly installed on the top of the lower bearing cover 3, a stator 18 is installed on the inner wall of the brushless motor shell 17, a stator wire frame 19 is installed and fixed on the stator 18, a permanent magnet rotor 8 is installed in a concentric circular cavity of the stator 18 and the brushless motor shell 17, a first suspension magnetic ring 7 and a second suspension magnetic ring 9 are fixedly installed on the permanent magnet rotor 8 and a rotating shaft 14, a second suspension magnetic ring 6 is installed and fixed in the first suspension magnetic ring 7, and a third suspension magnetic ring 10 is, the upper end of a rotating shaft 14 is fixedly provided with a closed impeller 15, the rotating shaft 14, a first suspension magnetic ring 7, a second suspension magnetic ring 9, a second suspension magnetic ring 6, a third suspension magnetic ring 10 and the closed impeller 15 belong to attachments of a permanent magnet rotor 8, the upper part of a brushless motor shell 17 is fixedly provided with an upper bearing cover 13, the upper bearing cover 13 is fixedly provided with an upper sliding bearing 12 and a fourth suspension magnetic ring 11, the upper sliding bearing 12 is positioned at the upper part of the fourth suspension magnetic ring 11, the upper end surface of the brushless motor shell 17 is fixedly provided with a flow guide cover 16, the flow guide cover 16 is structurally provided with 5 spiral flow guide sheets, the closed impeller 15 is assembled at an inner hole of the flow guide cover 16, the inner hole diameter of the flow guide cover 16 is 0.5-1 larger than the outer diameter of the circular wall of the closed impeller 15, the attachments of the permanent magnet rotor 8 and the permanent magnet rotor 8 are supported by the lower sliding bearing 4 and the upper sliding bearing 12, the permanent magnet rotor 8 is fixed by injection molding of a turbofan impeller-rotor glue 22 formed by one-time injection molding of plastics or by injection molding of a rotor glue 21 formed by one-time injection molding of plastics, a center hole flow passage with a center penetrating is designed on the turbofan impeller-rotor glue 22 or the rotor glue 21, a suspension magnetic ring II 6 is fixedly installed at the lower end part of the turbofan impeller-rotor glue 22 or the rotor glue 21, a pressurizing screw 20 is fixedly installed in the center hole flow passage of the rotor glue 21, an upper sliding bearing 12 and a lower sliding bearing 4 are respectively and fixedly installed at the upper end and the lower end of a central axis of the turbofan impeller-rotor glue 22 or the pressurizing screw 20, a shaft sleeve 23 is fixedly installed at the upper part of the brushless motor shell 17, a shaft sleeve 23 is fixedly installed at the two ends of the rotating shaft 14 between the shaft sleeve 23 and the shaft sleeve 23, the permanent magnet rotor 8 and the rotating shaft 14 are formed by one-time, the closed impeller 15 is provided with 5 spiral blades and an outer circular ring wall, the end faces of the second suspension magnetic ring 6 and the first suspension magnetic ring 5 are opposite and have no mechanical contact, the polarity of the end faces is the same, the end faces of the fourth suspension magnetic ring 11 and the third suspension magnetic ring 10 are opposite and have no mechanical contact, and the polarity of the end faces is the same.
Example three:
as shown in fig. 6:
an energy-saving water pump with axial magnetic suspension rotor characteristics comprises a base 2, a motor driver 1 is fixedly connected to the bottom of the base 2, a lower bearing cover 3 is fixedly connected to the top of the base 2, a lower sliding bearing 4 is fixedly installed on the lower bearing cover 3, a first suspension magnetic ring 5 is fixedly installed on the top of the lower sliding bearing 4, the first suspension magnetic ring 5 and the lower sliding bearing 4 are fixedly installed on the upper end face of the lower bearing cover 3, a brushless motor shell 17 is fixedly installed on the top of the lower bearing cover 3, a stator 18 is installed on the inner wall of the brushless motor shell 17, a stator wire frame 19 is installed and fixed on the stator 18, a permanent magnet rotor 8 is installed in a concentric circular cavity of the stator 18 and the brushless motor shell 17, a first suspension magnetic ring 7 and a second suspension magnetic ring 9 are fixedly installed on the permanent magnet rotor 8 and a rotating shaft 14, a second suspension magnetic ring 6 is installed and fixed in the first suspension magnetic ring 7, and a third suspension magnetic ring 10 is, the upper end of a rotating shaft 14 is fixedly provided with a closed impeller 15, the rotating shaft 14, a first suspension magnetic ring 7, a second suspension magnetic ring 9, a second suspension magnetic ring 6, a third suspension magnetic ring 10 and the closed impeller 15 belong to attachments of a permanent magnet rotor 8, the upper part of a brushless motor shell 17 is fixedly provided with an upper bearing cover 13, the upper bearing cover 13 is fixedly provided with an upper sliding bearing 12 and a fourth suspension magnetic ring 11, the upper sliding bearing 12 is positioned at the upper part of the fourth suspension magnetic ring 11, the upper end surface of the brushless motor shell 17 is fixedly provided with a flow guide cover 16, the flow guide cover 16 is structurally provided with 5 spiral flow guide sheets, the closed impeller 15 is assembled and positioned at the inner hole of the flow guide cover 16, the inner hole diameter of the flow guide cover 16 is 0.5-1 larger than the outer diameter of the circular wall of the closed impeller 15, the attachments of the permanent magnet rotor 8 and the permanent magnet rotor 8 are supported by the lower sliding bearing 4 and the upper sliding bearing 12, the plastic magnet is punched to form a permanent magnet rotor 8 during injection molding, the closed impeller 15 is provided with 5 spiral blades and an outer circular ring wall, the end faces of the second suspension magnetic ring 6 and the first suspension magnetic ring 5 are opposite and have no mechanical contact, the polarity of the end faces is the same, the end faces of the fourth suspension magnetic ring 11 and the third suspension magnetic ring 10 are opposite and have no mechanical contact, and the polarity of the end faces is the same.
In conclusion, through the high-speed rotation of the permanent magnet rotor 8, the permanent magnet rotor 8 and all the components fixed on the permanent magnet rotor 8 do not have the friction and contact of any mechanical component in the axial direction and are in an absolute suspension state, so that the loss of useless work is greatly reduced, the energy efficiency of the product is greatly improved, the service life of the product is greatly prolonged, the flow rate of water can be increased through the impeller 15 or the booster screw 20 or the turbofan impeller 21 with special shapes and structures, and the efficiency is improved.
Claims (7)
1. The utility model provides an energy-conserving water pump of axial magnetic suspension rotor characteristic which characterized in that: including base (2), bottom fixedly connected with motor drive (1) of base (2), bearing cap (3) under the top fixedly connected with of base (2), fixed mounting has lower sliding bearing (4) down on bearing cap (3) down, the top fixed mounting of lower sliding bearing (4) has suspension magnetic ring (5), suspension magnetic ring (5) with lower sliding bearing (4) fixed mounting be in the up end of lower bearing cap (3), the top fixed mounting of lower bearing cap (3) has brushless motor shell (17), stator (18) is installed to the inner wall of brushless motor shell (17), the installation is fixed with stator line frame (19) on stator (18), stator (18) with install permanent magnet rotor (8) in the concentric circle intracavity of brushless motor shell (17), fixed mounting has two suspension magnetic rings of one (7) and suspension magnetic ring on permanent magnet rotor (8) and pivot (14) (9) A suspension magnetic ring II (6) is downwards installed and fixed in the suspension magnetic ring I (7), a suspension magnetic ring III (10) is upwards installed and fixed in the suspension magnetic ring II (9), a closed impeller (15) is installed and fixed at the upper end of the rotating shaft (14), the suspension magnetic ring I (7), the suspension magnetic ring II (9), the suspension magnetic ring II (6), the suspension magnetic ring III (10) and the closed impeller (15) belong to attachments of the permanent magnet rotor (8), an upper bearing cover (13) is installed and fixed at the upper part of the brushless motor shell (17), an upper sliding bearing (12) and a suspension magnetic ring IV (11) are fixedly installed on the upper bearing cover (13), the upper sliding bearing (12) is positioned at the upper part of the suspension magnetic ring IV (11), and a flow guide cover (16) is installed and fixed on the upper end face of the brushless motor shell (17), the structural design of water conservancy diversion lid (16) has 5 spiral water conservancy diversion pieces, be in after closed impeller (15) equipment the hole department of water conservancy diversion lid (16) just the hole diameter ratio of water conservancy diversion lid (16) the rampart external diameter of closed impeller (15) is big 0.5-1MM, permanent magnet rotor (8) with the attachment of permanent magnet rotor (8) through lower sliding bearing (4) with go up sliding bearing (12) and support.
2. The energy-saving water pump with the axial magnetic suspension rotor as claimed in claim 1, is characterized in that: the top of the base (2) is fixed with a suspension magnetic ring I (5) and a shaft sleeve (23), the permanent magnet rotor (8) is fixed by injection molding of a plastic turbofan impeller-rotor rubber (22) formed by one-time injection molding or is fixed by injection molding of a plastic rotor rubber (21) formed by one-time injection molding, a center hole flow passage with a center penetrating is designed in the turbofan impeller-rotor rubber (22) or the rotor rubber (21), a suspension magnetic ring II (6) is fixedly installed at the lower end part of the turbofan impeller-rotor rubber (22) or the rotor rubber (21), a boosting screw rod (20) is fixedly installed in the center hole flow passage of the rotor rubber (21), an upper sliding bearing (12) and a lower sliding bearing (4) are fixedly installed at the upper end and the lower end of the central axis of the turbofan impeller-rotor rubber (22) or the boosting screw rod (20) respectively, and the shaft sleeve (23) is fixedly installed at the upper part of the brushless motor casing (17), and two ends of the rotating shaft (14) are fixedly arranged between the shaft sleeve (23) and the shaft sleeve (23).
3. The energy-saving water pump with the axial magnetic suspension rotor as claimed in claim 1, is characterized in that: one end of the brushless motor shell (17) is connected with a water inlet cover (24), and one end of the water inlet cover (24) is fixedly provided with a shaft sleeve (23) and a suspension magnetic ring IV (11); the suspension magnetic ring IV (11) and the shaft sleeve (23) are installed in an overlapped mode, the suspension magnetic ring IV (11) is arranged on the end face of the water inlet cover (24), the brushless motor shell (17) is provided with a water outlet flow channel joint perpendicular to the axis direction of the water inlet cover (24), and the shaft sleeve (23) and the suspension magnetic ring I (5) are installed and fixed on the other end of the brushless motor shell (17); the first suspension magnetic ring (5) and the shaft sleeve (23) are installed in an overlapped mode, the first suspension magnetic ring (5) is arranged on the end face of the inner protruding platform of the brushless motor shell (17), and a rotating shaft (14) is fixedly installed between the shaft sleeve (23) and the shaft sleeve (23).
4. The energy-saving water pump with the axial magnetic suspension rotor as claimed in claim 1, is characterized in that: the permanent magnet rotor (8) and the rotating shaft (14) are formed by one-time injection molding and fixing of plastic magnet, and the plastic magnet is punched to form the permanent magnet rotor (8) during injection molding.
5. The energy-saving water pump with the axial magnetic suspension rotor as claimed in claim 1, is characterized in that: the closed impeller (15) is provided with 5 spiral blades and an outer circular wall.
6. The energy-saving water pump with the axial magnetic suspension rotor as claimed in claim 1, is characterized in that: the end faces of the second suspension magnetic ring (6) and the first suspension magnetic ring (5) are opposite and do not have mechanical contact, and the polarities of the end faces are the same.
7. The energy-saving water pump with the axial magnetic suspension rotor as claimed in claim 1, is characterized in that: the end faces of the four suspension magnetic rings (11) and the three suspension magnetic rings (10) are opposite and have no mechanical contact, and the polarities of the end faces are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021342747.2U CN212615424U (en) | 2020-07-09 | 2020-07-09 | Energy-saving water pump with axial magnetic suspension rotor characteristics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021342747.2U CN212615424U (en) | 2020-07-09 | 2020-07-09 | Energy-saving water pump with axial magnetic suspension rotor characteristics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212615424U true CN212615424U (en) | 2021-02-26 |
Family
ID=74745598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021342747.2U Active CN212615424U (en) | 2020-07-09 | 2020-07-09 | Energy-saving water pump with axial magnetic suspension rotor characteristics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212615424U (en) |
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2020
- 2020-07-09 CN CN202021342747.2U patent/CN212615424U/en active Active
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