Environment-friendly battery cleaning equipment

Abstract

The utility model discloses environment-friendly battery cleaning equipment which comprises a case assembly, a battery cleaning assembly and a battery cleaning assembly, the case assembly comprises a case, and a partition plate is fixedly connected in the case; the air blowing mechanism is arranged in the machine box and comprises an air blowing support, the air blowing support is fixedly connected with the partition plate, the air blowing support is fixedly connected with an air knife, and the air knife is fixedly communicated with an air pipe connector; the plasma cleaning mechanism is arranged in the machine box and arranged on one side of the air blowing mechanism, the plasma cleaning mechanism comprises an L-shaped support, and the L-shaped support is fixedly connected with the partition plate. The utility model relates to the technical field of battery cleaning, in particular to environment-friendly cleaning equipment for batteries. The technical problem to be solved by the utility model is to provide the environment-friendly cleaning equipment for the batteries, which is beneficial to realizing automatic tidying and transportation of the batteries, organically combines compressed air cleaning and plasma cleaning, and realizes automatic cleaning of the batteries.

Description

Technical Field

[0001] The utility model relates to the technical field of battery cleaning, in particular to environmentally friendly battery cleaning equipment. Background Art

[0002] Battery environmental cleaning is an important step to maintain battery performance and extend battery life, and is also a key link in reducing environmental pollution. Maintain battery performance: Cleaning can remove dirt and corrosion on the battery surface, maintain good conductivity of the battery, and thus improve the battery's efficiency. Extend battery life: Regular cleaning can prevent internal short circuits or damage caused by dirt accumulation, thereby extending the battery's service life. Reduce environmental pollution: Environmentally friendly cleaning methods can reduce harmful substances generated during the cleaning process and reduce pollution to the environment.

[0003] At present, there is still a lack of a device that can automatically organize and transport the batteries after they are sent into the device, and organically combine compressed air cleaning and plasma cleaning to achieve automatic cleaning of the batteries. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an environmentally friendly battery cleaning device, which is conducive to realizing automatic sorting and transportation of batteries, organically combining compressed air cleaning and plasma cleaning, and realizing automatic cleaning of batteries.

[0005] The utility model adopts the following technical solutions to achieve the purpose of the utility model:

[0006] A battery environmental cleaning device, characterized in that it comprises: a chassis component, the chassis component comprises a chassis, a partition is fixedly connected in the chassis; a blower mechanism is arranged in the chassis, the blower mechanism comprises a blower bracket, the blower bracket is fixedly connected to the partition, the blower bracket is fixedly connected to an air knife, and the air knife is fixedly connected to a ventilation pipe joint; a group of plasma cleaning mechanisms are arranged in the chassis and arranged on one side of the blower mechanism, the plasma cleaning mechanism comprises an L bracket, the L bracket is fixedly connected to the partition, and the L bracket is fixedly connected to a plasma cleaning machine; a feeding mechanism comprises a U plate, the U plate is fixedly connected to the partition, and the U plate is fixedly connected to a feeding guide groove. The feeding guide groove is fixedly connected to a baffle. The baffle is fixedly connected to a small cover corresponding to the blower mechanism. The baffle is fixedly connected to a large cover corresponding to a group of plasma cleaning mechanisms, and the large cover is fixedly connected to an exhaust pipe. The automatic placement and subsequent automatic transportation of batteries are realized by adopting a feeding mechanism, which is convenient for subsequent battery cleaning, and the baffle is set to prevent the battery from escaping from the feeding guide groove. By setting up an air knife with an air outlet slot, compressed air can be input to clean the battery with compressed air. Plasma cleaning is achieved by using a plasma cleaning machine, so that dust generated by cleaning falls from the conical cover and is concentrated.

[0007] As a further limitation of this technical solution, it further includes a conveying mechanism. The conveying mechanism includes a bracket. One end of the bracket is connected to symmetric first sliding frames. The other end of the bracket and the symmetric first sliding frames are respectively connected to the central shaft of a double runner by bearings. The two ends of two chains respectively surround the runners of the corresponding double runners. The chain plates of the two chains are respectively fixedly connected to mounting blocks. Each mounting block is respectively connected to a thin shaft by a bearing. Each thin shaft is respectively fixedly connected to a roller. The bracket is connected to the partition board. By adopting the conveying mechanism to transport the battery, the battery falls between the two rollers. When the rollers rotate, they drive the battery to rotate, and the rotation area is under the blowing mechanism and the plasma cleaning mechanism, which is convenient for cleaning the battery.

[0008] As a further limitation of this technical solution, the symmetric first sliding frames are respectively provided with two groups of symmetric first adjustment slots. A set of first bolts respectively pass through the corresponding first adjustment slots and are threadedly connected to the bracket. The first bolts contact the first sliding frames to lock the positions of the first sliding frames. By adjusting the first sliding frames, the tension of the chains is realized.

[0009] As a further limitation of this technical solution, the partition board is fixedly connected to a conveying motor. The output shaft of the conveying motor is fixedly connected to the central shaft of one of the double runners. By adopting the conveying motor, power is provided for the transportation of the battery.

[0010] As a further limitation of this technical solution, it further includes a rotating mechanism. The rotating mechanism includes a rotating bracket. The rotating bracket is fixedly connected to the partition board. One end of the rotating bracket is connected to a second sliding frame. The rotating bracket and the second sliding frame are respectively connected to the central shafts of symmetric pulleys by bearings. Two rotating belts respectively surround the corresponding pulleys. The rotating bracket is respectively fixedly connected to trapezoidal plates in an adjustable manner corresponding to the two rotating belts. The thin shafts are matched with the two rotating belts. The rotating mechanism passes through the small cover and the large cover. The thin shafts enter the area formed by the trapezoidal plates and the rotating belts and contact the two rotating belts, so that the rotating belts drive the thin shafts to rotate, and the rollers drive the battery to rotate, which is convenient for cleaning.

[0011] As a further limitation of this technical solution, the second sliding frames are respectively provided with two groups of symmetric second adjustment slots. A set of second bolts respectively pass through the corresponding second adjustment slots and are threadedly connected to the rotating bracket. The second bolts contact the second sliding frames to lock the positions of the second sliding frames. By adopting the second sliding frames, the tension of the rotating belts is realized.

[0012] As a further limitation of the present technical solution, the rotating bracket is fixedly connected to the rotating motor, the central axis of each pulley is fixedly connected to a driven synchronous pulley respectively, the output shaft of the rotating motor is fixedly connected to a driving synchronous pulley, and a synchronous belt surrounds the driving synchronous pulley and two of the driven synchronous pulleys on one side. By adopting a rotating motor and driving with a synchronous belt mechanism, power is provided for the rotation of the battery.

[0013] As a further limitation of the present technical solution, the partition is fixedly connected to two motor speed controllers, one motor speed controller is electrically connected to the conveying motor, and the other motor speed controller is electrically connected to the rotating motor. The speed control of the conveying motor and the rotating motor is realized by adopting motor speed controllers.

[0014] As a further limitation of the present technical solution, a positioning mechanism is further included. The positioning mechanism includes a positioning bracket, the positioning bracket is fixedly connected to the partition, and the positioning bracket is fixedly connected to a finger cylinder. The positioning mechanism is arranged inside the small cover. By adopting a finger cylinder, when the battery falls between two rollers, the finger cylinder contacts the battery from both sides of the battery, so that the battery is in the middle position between the rollers.

[0015] As a further limitation of the present technical solution, a conical cover is fixedly connected to the partition corresponding to the air knife. It is convenient for dust to concentrate.

[0016] As a further limitation of the present technical solution, the chassis is rotatably connected to a robotic arm, and the robotic arm is fixedly connected to a control display. The ion cleaner, the conveying motor, the rotating motor and the motor speed controller are respectively electrically connected to the control display. The finger cylinder is electrically connected to the control display. By adopting a control display, the control of relevant components is realized.

[0017] Compared with the related technology, a battery environmental protection cleaning device provided by the present utility model has the following beneficial effects:

[0018] (1) By adopting a feeding mechanism and a conveying mechanism, the automatic loading of the battery and subsequent automatic transportation are realized, which is convenient for subsequent battery cleaning;

[0019] (2) By adopting a finger cylinder, when the battery falls between two rollers, the finger cylinder contacts the battery from both sides of the battery, so that the battery is in the middle position between the rollers;

[0020] (3) By adopting an air knife, compressed air is input to clean the battery with compressed air, and by adopting an ion cleaner, plasma cleaning is realized, so that dust and the like generated by cleaning fall and concentrate from the conical cover;

[0021] (4) By adopting a rotating belt, the thin shaft enters the area composed of the trapezoidal plate and the rotating belt, contacts the two rotating belts, and the rotating belts drive the thin shaft to rotate, so that the roller drives the battery to rotate, facilitating cleaning. Description of the Drawings

[0022] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0023] Figure 2 is a partial three-dimensional structural schematic of the present utility model Figure 1 ;

[0024] Figure 3 is a partial three-dimensional structural schematic of the present utility model Figure 2 ;

[0025] Figure 4 is a partial three-dimensional structural schematic of the present utility model Figure 3 ;

[0026] Figure 5 is a three-dimensional structural schematic of the rotating mechanism of the present utility model Figure 1 ;

[0027] Figure 6 is a three-dimensional structural schematic of the rotating mechanism of the present utility model Figure 2 ;

[0028] Figure 7 is a three-dimensional structural schematic of the conveying mechanism of the present utility model Figure 1 ;

[0029] Figure 8 is a three-dimensional structural schematic of the conveying mechanism of the present utility model Figure 2 ;

[0030] Figure 9 is a three-dimensional structural schematic of the rotating mechanism and the conveying mechanism of the present utility model;

[0031] Figure 10 is a partial three-dimensional structural schematic of the present utility model Figure 4 .

[0032] In the figure:

[0033] 1. Chassis assembly, 101. Chassis, 102. Alarm, 103. Robot arm, 104. Control display, 105. Partition, 106. Small cover, 107. Large cover;

[0034] 2. Blowing mechanism, 201. Air knife, 202. Air duct joint, 203. Blowing bracket, 204. Conical cover;

[0035] 3. Plasma cleaning mechanism, 301. Plasma cleaner, 302. L bracket;

[0036] 4. Rotating mechanism, 401. Driven synchronous pulley, 402. Rotating bracket, 403. Synchronous belt, 404. Rotating motor, 405. Rotating belt, 406. Second carriage, 407. Second adjusting groove, 408. Belt pulley, 409. Driving synchronous pulley, 410. Trapezoidal plate;

[0037] 5. Positioning mechanism, 501. Finger cylinder, 502. Positioning bracket;

[0038] 6. Loading mechanism, 601. Loading guide groove, 602. Baffle, 603. U-shaped plate;

[0039] 7. Motor speed regulator;

[0040] 8. Conveying mechanism, 801. First carriage, 802. First adjusting groove, 803. Battery, 804. Conveying motor, 805. Bracket, 806. Thin shaft, 807. Mounting block, 808. Mounting block, 809. Long rod, 810. Chain, 811. Roller, 812. Double runner. Detailed implementation manners

[0041] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0042] An environmentally friendly battery cleaning device, comprising: a chassis assembly 1, the chassis assembly 1 includes a chassis 101, and a partition 105 is fixedly connected inside the chassis 101; a blowing mechanism 2, arranged inside the chassis 101, the blowing mechanism 2 includes a blowing bracket 203, the blowing bracket 203 is fixedly connected to the partition 105, the blowing bracket 203 is fixedly connected to an air knife 201, and the air knife 201 is fixedly connected to an air pipe joint 202; a set of plasma cleaning mechanisms 3, arranged inside the chassis 101, on one side of the blowing mechanism 2, the plasma cleaning mechanism 3 includes an L-shaped bracket 302, the L-shaped bracket 302 is fixedly connected to the partition 105, and the L-shaped bracket 302 is fixedly connected to a plasma cleaner 301; a feeding mechanism 6, including a U-shaped plate 603, the U-shaped plate 603 is fixedly connected to the partition 105, the U-shaped plate 603 is fixedly connected to a feeding guide groove 601. The feeding guide groove 601 is fixedly connected to a baffle 602. The partition 105 is fixedly connected to a small cover 106 corresponding to the blowing mechanism 2. The partition 105 is fixedly connected to a large cover 107 corresponding to the set of plasma cleaning mechanisms 3, and the large cover 107 is fixedly connected to an exhaust pipe 108. The automatic placement of the battery 803 and subsequent automatic transportation are realized by adopting the feeding mechanism 6, which facilitates the subsequent battery cleaning. By setting the baffle 602, the battery 803 is prevented from detaching from the feeding guide groove 601. By setting the air knife 201, which is provided with an air outlet groove, compressed air is input to perform compressed air cleaning on the battery 803. Plasma cleaning is realized by adopting the plasma cleaner 301, so that dust and the like generated by the cleaning fall and concentrate from the conical cover 204.

[0043] The plasma cleaner 301 adopts the prior art, and its structure and working principle are well known to those skilled in the art, and will not be described in detail here.

[0044] It further includes a conveying mechanism 8, the conveying mechanism 8 includes a bracket 805, one end of the bracket 805 is connected to symmetric first sliding frames 801, the other end of the bracket 805 and the symmetric first sliding frames 801 are respectively connected to the central axis of a double runner 812 by bearings, both ends of two chains 810 respectively surround the runners of the corresponding double runner 812, the chain plates of the two chains 810 are respectively fixedly connected to mounting blocks 807, each mounting block 807 is respectively connected to a thin shaft 806 by bearings, each thin shaft 806 is respectively fixedly connected to a roller 811, and the bracket 805 is connected to the partition 105. The transportation of the battery 803 is realized by adopting the conveying mechanism 8. The battery 803 falls between the two rollers 811. When the rollers 811 rotate, the battery 803 is driven to rotate, and the rotation area is below the blowing mechanism 2 and the plasma cleaning mechanism 3, which facilitates the cleaning of the battery 803.

[0045] The partition plate 105 is connected to a group of mounting plates 808. Each of the mounting plates 808 is fixedly connected to a long rod 809, and the symmetric long rods 809 are matched with the roller columns 811. The conveying mechanism 8 passes through the small cover 106 and the large connecting cover 107.

[0046] Two groups of symmetric first adjustment grooves 802 are respectively arranged on the symmetric first sliding frames 801. A group of first bolts respectively pass through the corresponding first adjustment grooves 802 and are threadedly connected to the bracket 805. The first bolts contact the first sliding frames 801 to lock the positions of the first sliding frames 801. By adjusting the first sliding frames 801, the tension of the chain 810 is achieved.

[0047] The partition plate 105 is fixedly connected to the conveying motor 804, and the output shaft of the conveying motor 804 is fixedly connected to the central shaft of one of the double rotating wheels 812. By using the conveying motor 804, power is provided for the transportation of the battery 803.

[0048] It further includes a rotating mechanism 4. The rotating mechanism 4 includes a rotating bracket 402. The rotating bracket 402 is fixedly connected to the partition plate 105. One end of the rotating bracket 402 is connected to the second sliding frame 406. The central shafts of the symmetric belt pulleys 408 are respectively connected to the rotating bracket 402 and the second sliding frame 406 through bearings. Two rotating belts 405 respectively surround the corresponding belt pulleys 408. The rotating bracket 402 is respectively fixedly connected to the trapezoidal plates 410 in an adjustable manner corresponding to the two rotating belts 405. The thin shaft 806 is matched with the two rotating belts 405. The rotating mechanism 4 passes through the small cover 106 and the large connecting cover 107. The thin shaft 806 enters the area formed by the trapezoidal plates 410 and the rotating belts 405 and contacts the two rotating belts 405, so that the rotating belts 405 drive the thin shaft 806 to rotate, and the roller columns 811 drive the battery 803 to rotate, facilitating cleaning.

[0049] Two groups of symmetric second adjustment grooves 407 are respectively arranged on the second sliding frame 406. A group of second bolts respectively pass through the corresponding second adjustment grooves 407 and are threadedly connected to the rotating bracket 402. The second bolts contact the second sliding frame 406 to lock the positions of the second sliding frames 406. By using the second sliding frame 406, the tension of the rotating belts 405 is achieved.

[0050] The rotating bracket 402 is fixedly connected to the rotating motor 404. The central shafts of each of the belt pulleys 408 are respectively fixedly connected to the driven synchronous wheels 401, and the output shaft of the rotating motor 404 is fixedly connected to the driving synchronous wheel 409. The synchronous belt 403 surrounds the driving synchronous wheel 409 and the two driven synchronous wheels 401 on one side. By using the rotating motor 404 and driven by the synchronous belt mechanism, power is provided for the rotation of the battery 803.

[0051] The partition 105 is fixedly connected to two motor speed controllers 7. One of the motor speed controllers 7 is electrically connected to the conveying motor 804, and the other motor speed controller 7 is electrically connected to the rotating motor 404. The speed control of the conveying motor 804 and the rotating motor 404 is realized by using the motor speed controller 7.

[0052] It further includes a positioning mechanism 5. The positioning mechanism 5 includes a positioning bracket 502. The positioning bracket 502 is fixedly connected to the partition 105, and the positioning bracket 502 is fixedly connected to the finger cylinder 501. The positioning mechanism 5 is arranged in the small cover 106. By using the finger cylinder 501, when the battery 803 falls between the two rollers 811, the finger cylinder 501 contacts the battery 803 from both sides of the battery 803, so that the battery 803 is in the middle position of the rollers 811.

[0053] The partition 105 is fixedly connected to a conical cover 204 corresponding to the air knife 201. It is convenient for dust to be concentrated.

[0054] The chassis 101 is rotatably connected to a robotic arm 103, and the robotic arm 103 is fixedly connected to a control display 104. The ion cleaner 301, the conveying motor 804, the rotating motor 404 and the motor speed controller 7 are respectively electrically connected to the control display 104. The finger cylinder 501 is electrically connected to the control display 104. By using the control display 104, the control of related components is realized.

[0055] The chassis 101 is fixedly connected to an alarm 102, and the alarm 102 is electrically connected to the control display 104.

[0056] The working principle of a battery environmental protection cleaning device provided by the present utility model is as follows:

[0057] Connect the air compressor to the air duct joint 202 through a hose, and electrically connect the air compressor to the control display 104.

[0058] Control the ion cleaner 301, the air compressor, the finger cylinder 501, the rotating motor 404 and the conveying motor 804 to rotate through the control display 104.

[0059] The rotating electric machine 404 drives the driving synchronous pulley 409 to rotate. The driving synchronous pulley 409 drives the synchronous belt 403 to move. The synchronous belt 403 drives the driven synchronous pulley 401 and the two belt pulleys 408 to rotate. The two belt pulleys 408 drive the two rotating belts 405 to move. The rotating belts 405 drive the other two belt pulleys 408 to rotate. The conveying motor 804 drives a double pulley 812 to rotate. A double pulley 812 drives the two chains 810 to move. The chains 810 drive the mounting block 807, the thin shaft 806 and the roller 811 to move. The thin shaft 806 enters the area formed by the trapezoidal plate 410 and the rotating belts 405 and contacts the two rotating belts 405, so that the rotating belts 405 drive the thin shaft 806 and the roller 811 to rotate.

[0060] The battery 803 is placed into the feeding chute 601. The battery 803 falls along the feeding chute 601 into the area formed by the two rollers 811 and is combined with the two rollers 811. The control display 104 controls the movement of the finger cylinder 501, so that the two fingers of the finger cylinder 501 respectively contact the battery 803, and the battery 803 is positioned at the center of the area of the two rollers 811. The air compressor conveys compressed air into the air knife 201 and blows it out from the air knife 201 to blow away sundries such as dust and soil on the surface of the battery 803, preparing for subsequent cleaning and being able to effectively remove most of the pollutants on the surface. The control display 104 controls the plasma cleaner 301 to work, and uses the active plasma in the plasma to act on the surface of the battery 803 physically and chemically. These active plasma can effectively remove dirt, grease, oxides and other impurities on the surface of the battery 803 through collision and chemical reaction. The rollers 811 drive the battery 803 to rotate in the area where the air knife 201 blows and the area where the plasma cleaner 301 works, so that the surface of the battery 803 is cleaned.

[0061] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structure or equivalent process transformation made by using the content of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A battery environmental cleaning device, characterized in that: include: A chassis assembly (1), the chassis assembly (1) comprising a chassis (101), a partition plate (105) being fixedly connected inside the chassis (101); A blower mechanism (2) is arranged in the chassis (101), the blower mechanism (2) comprises a blower bracket (203), the blower bracket (203) is fixedly connected to the partition plate (105), the blower bracket (203) is fixedly connected to the wind knife (201), and the wind knife (201) is fixedly connected to the air pipe joint (202); A plasma cleaning mechanism (3) is arranged in the chassis (101) and on one side of the blower mechanism (2), the plasma cleaning mechanism (3) comprising an L bracket (302), the L bracket (302) being fixedly connected to the partition (105), and the L bracket (302) being fixedly connected to the plasma cleaning machine (301); The feeding mechanism (6) comprises a U-plate (603), wherein the U-plate (603) is fixedly connected to the partition plate (105), and the U-plate (603) is fixedly connected to the feeding guide groove (601).

2. The battery environmental cleaning equipment according to claim 1 is characterized by: The conveying mechanism (8) also includes a conveying mechanism (8), wherein the conveying mechanism (8) includes a bracket (805), one end of the bracket (805) is connected to a symmetrical first slide (801), the other end of the bracket (805) and the symmetrical first slide (801) are respectively connected to the central axis of a double rotating wheel (812) by bearings, the two ends of two chains (810) respectively surround the corresponding rotating wheels of the double rotating wheels (812), the chain plates of the two chains (810) are respectively fixedly connected to mounting blocks (807), each mounting block (807) is respectively connected to a thin shaft (806) by bearings, each thin shaft (806) is respectively fixedly connected to a roller column (811), and the bracket (805) is connected to the partition (105).

3. The battery environmental cleaning equipment according to claim 2 is characterized by: The symmetrical first sliding frames (801) are respectively provided with two groups of symmetrical first adjustment slots (802).

4. The battery environmental cleaning equipment according to claim 2 is characterized by: The partition (105) is fixedly connected to a conveying motor (804), and an output shaft of the conveying motor (804) is fixedly connected to a central shaft of one of the double rotating wheels (812).

5. The battery environmental cleaning equipment according to claim 4 is characterized by: The invention also comprises a rotating mechanism (4), wherein the rotating mechanism (4) comprises a rotating bracket (402), the rotating bracket (402) being fixedly connected to the partition (105), one end of the rotating bracket (402) being connected to a second slide (406), the rotating bracket (402) and the second slide (406) being respectively bearing-connected to the central axis of symmetrical pulleys (408), two rotating belts (405) respectively surrounding the corresponding pulleys (408), the rotating bracket (402) corresponding to the two rotating belts (405) being respectively adjustable and fixedly connected to a trapezoidal plate (410), and the thin shaft (806) matching the two rotating belts (405).

6. The battery environmental cleaning equipment according to claim 5 is characterized by: The second sliding frames (406) are respectively provided with two groups of symmetrical second adjustment slots (407).

7. The battery environmental cleaning equipment according to claim 5 is characterized by: The rotating bracket (402) is fixedly connected to the rotating motor (404), the central axis of each pulley (408) is fixedly connected to a driven synchronous wheel (401), the output shaft of the rotating motor (404) is fixedly connected to a driving synchronous wheel (409), and the synchronous belt (403) surrounds the driving synchronous wheel (409) and two driven synchronous wheels (401) on one side.

8. The battery environmental cleaning equipment according to claim 7 is characterized by: The partition (105) is fixedly connected to two motor speed regulators (7), one of the motor speed regulators (7) is electrically connected to the conveying motor (804), and the other motor speed regulator (7) is electrically connected to the rotating motor (404).

9. The battery environmental cleaning equipment according to claim 1 is characterized by: Also includes A positioning mechanism (5), the positioning mechanism (5) comprising a positioning bracket (502), the positioning bracket (502) being fixedly connected to the partition (105), and the positioning bracket (502) being fixedly connected to the finger cylinder (501).

10. The battery environmental cleaning equipment according to claim 1 is characterized by: The partition plate (105) is fixedly connected to the conical cover (204) corresponding to the wind knife (201).

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