Backboard air conditioner

Abstract

The utility model provides a backboard air conditioner, which comprises a panel, at least two fans and a first magnetic suction module, the panel is provided with a fan running track, the at least two fans are arranged on the fan running track, the fan running track can move to drive the fans to move, or the fans can move along the fan running track, and the first magnetic suction module is arranged on the panel. The fan running track is provided with a maintenance position for taking out the to-be-maintained fan, when the to-be-maintained fan moves to the maintenance position, the first magnetic attraction module can move to the maintenance position to take out the to-be-maintained fan in a magnetic attraction mode, and a standby fan is further arranged outside the fan running track; the standby draught fan can move to the installation position on the draught fan operation track so as to guarantee continuous work of the multiple draught fans. According to the back plate air conditioner, the problems of low maintenance efficiency and inconvenience in maintenance caused by damage of one of a plurality of fans of an existing back plate air conditioner can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to air conditioning technical field, concretely relates to a backboard air conditioner. BACKGROUND

[0002] At present, the informationization degree is continuously improved, the machine room of storing data is continuously increased, along with the machine room in the placement storage component of placing more and more machine cabinet, the heat exchange performance of machine room also faces the severe adjustment, and the machine cabinet needs more safe, more effective heat dissipation of the form that accords with the machine cabinet, aiming at this problem, the special machine cabinet air conditioner is developed.

[0003] But the backboard air conditioner in prior art has multiple fans, once a fan is damaged, the whole panel needs to be removed to repair, resulting in low repair efficiency, inconvenient repair and other problems.

[0004] Since the backboard air conditioner in prior art has the technical problems of low repair efficiency, inconvenient repair and other problems caused by the damage of a fan in multiple fans, the utility model researches and designs a backboard air conditioner. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model wants to solve the technical problem in the prior art that the backboard air conditioner has the defects of low repair efficiency and inconvenient repair caused by the damage of a fan in multiple fans, so as to provide a backboard air conditioner.

[0006] In order to solve the above problems, the utility model provides a backboard air conditioner, which comprises:

[0007] The panel, the fan and the first magnetic attraction module are provided with a fan running track, the fan is at least two, at least two fans are arranged on the fan running track, the fan running track can move to drive the fan to move, or the fan can move along the fan running track, the fan running track has a maintenance position for taking out the fan to be maintained, when the fan to be maintained moves to the maintenance position, the first magnetic attraction module can move to the maintenance position to take out the fan to be maintained by magnetic attraction, and the fan running track is further provided with a standby fan, which can move to the installation position on the fan running track to ensure the continuous work of multiple fans.

[0008] In some embodiments,

[0009] The first magnetic attraction module comprises a first magnetic attraction support, the first magnetic attraction support has an open U-shaped structure, the first magnetic attraction support can move to the maintenance position to take out the fan to be maintained by magnetic attraction.

[0010] In some embodiments,

[0011] The fan running track has a "U" shaped structure, which allows multiple fans to move in a cyclical manner on the "U" shaped track; along the direction of the fan's movement, the installation position is located downstream of the maintenance position on the fan running track.

[0012] In some implementations...

[0013] It also includes a maintenance track, on which the first magnetic module is disposed. The maintenance track can be connected to the maintenance position. The first magnetic module moves on the maintenance track to reach the maintenance position and magnetically pull out the fan to be maintained.

[0014] In some implementations...

[0015] It also includes a second magnetic module, which is also set on the maintenance track, and the second magnetic module is equipped with the backup fan. The second magnetic module can move to the installation position on the fan running track so that the backup fan can be installed at the installation position.

[0016] In some implementations...

[0017] The maintenance track includes a first track, a second track, a third track, and a fourth track. The first end of the first track is connected to the installation position via the second track, and the second end of the first track is connected to the maintenance position via the third track. The fourth track is connected between the second track and the third track. When the fan does not require maintenance, the first magnetic module is located at the first end of the first track. When the fan requires maintenance, the first magnetic module moves to the maintenance position sequentially via the second track, the fourth track, and the third track.

[0018] In some implementations...

[0019] After the first magnetic module removes the fan to be repaired, it moves sequentially through the third track to the second end of the first track, where the fan to be repaired is replaced or repaired.

[0020] In some implementations...

[0021] When the fan does not require maintenance, the second magnetic module is located at the second end of the first track. When the fan needs maintenance and the fan to be maintained is removed by the first magnetic module, the second magnetic module can first move to its first end via the first track, and then move to the installation position via the second track, so as to transport the spare fan to the installation position on the fan running track.

[0022] In some embodiments,

[0023] The second magnetic attraction module includes a second magnetic attraction bracket. The second magnetic attraction bracket has an open U-shaped structure. The opening of the second magnetic attraction bracket faces the standby fan to fix the standby fan thereon. The second magnetic attraction bracket can move to the installation position with its opening facing the installation position to install the standby fan at the installation position.

[0024] In some embodiments,

[0025] The maintenance track is a "return" shaped track. The first track is parallel to the fourth track, and the second track is parallel to the third track.

[0026] A backboard air conditioner provided by the present utility model has the following beneficial effects:

[0027] 1. By providing a fan operation track on the panel of the backboard air conditioner and arranging multiple fans on the fan operation track in the present utility model, the fans can move along the fan operation track or be driven by the track to move. At the same time, a maintenance position is provided on the fan operation track, so that when a certain fan is damaged and needs to be repaired, it can be moved to this maintenance position. At this time, the first magnetic attraction module can move to this maintenance position to take out the fan to be repaired, and the standby fan outside the fan operation track can move to the installation position of the fan operation track, thereby realizing the efficient disassembly of the fan to be repaired and simultaneously realizing the installation of the standby fan. While ensuring the disassembly and repair of the fan to be repaired, a new standby fan can be added to ensure the normal operation of multiple fans, without causing attenuation of the air volume and ensuring the normal heat dissipation performance, solving the problems of low maintenance efficiency and inconvenient maintenance caused by the damage of a certain fan among multiple fans in the existing backboard air conditioner.

[0028] 2. The present utility model also realizes the effect of transporting the first magnetic attraction module to the maintenance channel to efficiently take out the fan to be repaired by providing a maintenance channel, with the first magnetic attraction module arranged on the maintenance channel and the maintenance channel connected to the maintenance position; and the second magnetic attraction module is also arranged on the maintenance channel, and the maintenance channel is also connected to the installation position, which can effectively transport the standby fan to the installation position, ensuring that the operating fans on the fan operation track do not decay, ensuring the heat dissipation air volume and heat dissipation effect; while realizing efficient maintenance, the heat dissipation performance is not reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 is a three-dimensional structure diagram of the backboard air conditioner of the present utility model;

[0030] Figure 2 is a front structure diagram of the backboard air conditioner of the present utility model;

[0031] Figure 3 is an internal structure diagram of the backboard air conditioner of the utility model;

[0032] Figure 4 is a maintenance process flow chart of the backboard air conditioner of the utility model.

[0033] The reference signs are represented as:

[0034] 1, panel; 2, fan; 21, fan to be maintained; 22, standby fan; 3, first magnetic attraction module; 4, fan running track; 5, maintenance position; 6, installation position; 7, maintenance track; 71, first track; 72, second track; 73, third track; 74, fourth track; 8, second magnetic attraction module. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. The description of the at least one exemplary embodiment is only illustrative in nature and by no means as any limitation to the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without any creative labor fall within the scope of protection of the utility model.

[0036] It should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise, and it should also be understood that the terms "comprise" and / or "include" as used in the specification indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0037] The relative arrangement of components and steps, numerical expressions and values set forth in these embodiments do not limit the scope of the utility model, unless otherwise specified. At the same time, it should be understood that the sizes of various parts shown in the drawings are not drawn in proportion to the actual proportions. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but under appropriate circumstances, the technology, methods and equipment should be considered as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0038] In the description of the utility model, it needs to be understood that the orientation words such as '' front, back, up, down, left, right '' '' horizontal, vertical, perpendicular, horizontal '' and '' top, bottom '' and the like indicated orientation or positional relationship generally is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, in the absence of the opposite statement, these orientation words do not indicate and imply the device or element indicated must have a particular orientation or be constructed and operated in a particular orientation, therefore can not be understood as the restriction of the protection scope of the utility model, the orientation words '' inside, outside '' refer to the inside and outside relative to the contour of each component itself.

[0039] For the convenience of description, spatial relative terms such as '' above '' '' above '' '' upper surface '' '' upper '' and the like can be used here to describe the spatial position relationship of one device or feature with other devices or features as shown in the drawing.It should be understood that the spatial relative terms are intended to include different orientations in use or operation in addition to the orientation of the device described in the drawing.For example, if the device in the drawing is inverted, the device described as '' above '' or '' above '' other devices or structures will be positioned '' below '' or '' below '' other devices or structures after the device or structure.Exemplary term '' above '' can include both '' above '' and '' below '' orientation.The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatial relative description used here is interpreted accordingly.

[0040] In addition, it needs to be explained that the use of '' first '' '' second '' and the like to limit parts is only for the convenience of distinguishing the corresponding parts, and the above words have no special meaning unless otherwise stated, therefore can not be understood as the restriction of the protection scope of the utility model.

[0041] As Figures 1-4 As shown in the utility model provides a kind of backboard air conditioner (including the cabinet air conditioner of data base station and the cabinet air conditioner of data center), it includes:

[0042] Panel 1, fan 2 and first magnetic suction module 3, the fan running track 4 is arranged on the panel 1, the fan 2 is at least two, at least two fans 2 are arranged on the fan running track 4, the fan running track 4 can move to drive the fan 2 to move, or the fan 2 can move along the fan running track 4, the fan running track 4 has a maintenance position 5 for the fan to be maintained 21 to be removed, when the fan to be maintained 21 moves to the maintenance position 5, the first magnetic suction module 3 can be moved to the maintenance position 5 by magnetic suction to remove the fan to be maintained 21, and the standby fan 22 is further arranged on the fan running track 4, and the standby fan 22 can move to the mounting position 6 on the fan running track 4 to ensure that multiple fans work continuously.

[0043] The utility model discloses a fan running track is arranged on the panel of backboard air conditioner, and multiple fans are arranged on the fan running track, and the fan can move along the fan running track or be driven to move by the track, and the fan running track is equipped with a maintenance position, so that when a fan needs to be maintained, it can be moved to the maintenance position, and the first magnetic suction module can be moved to the maintenance position to remove the fan to be maintained (when the magnetic suction module of the utility model is moved to the fan to be maintained, the position of the track is preferably staggered to avoid interference with the track or the fan, for example, collision and other situations), and the standby fan outside the fan running track can be moved to the mounting position of the fan running track, thereby realizing efficient disassembly of the fan to be maintained and installation of the standby fan, ensuring that the fan to be maintained is disassembled and maintained while a new standby fan is installed, ensuring normal operation of multiple fans, preventing air volume from being attenuated, ensuring normal heat dissipation performance, and solving the problems of low maintenance efficiency and inconvenient maintenance caused by damage of a fan in multiple fans of the existing backboard air conditioner.

[0044] In some embodiments,

[0045] The first magnetic suction module 3 includes a first magnetic suction support having an open U-shaped structure, and the first magnetic suction support can be moved to the maintenance position 5 to have its opening face the fan to be maintained 21, and the fan to be maintained 21 is removed by magnetic suction.

[0046] This is the preferred structure of the first magnetic suction module of the utility model, and the magnetic suction support with a U-shaped structure can have its opening face the fan to be maintained and effectively remove the fan to be maintained by magnetic suction, and the three sides can form magnetic suction on the fan to be maintained, increase the magnetic suction effect, and improve the efficiency and stability of removing the fan to be maintained.

[0047] In some embodiments,

[0048] The fan operation track 4 is a "hui" type structure, so that multiple fans move in a position circulation motion on the track of the "hui" type structure; along the direction of the fan movement, the installation position 6 is located on the downstream side of the maintenance position 5 on the fan operation track 4.

[0049] This is the preferred structure of the fan operation track of the utility model, that is, the track formed in the "hui" type, so that multiple fans can move in turn along the running route of the "hui" type, and when maintenance is needed, the fan operation track is operated to run, and the fan to be maintained is run to the maintenance position, which is convenient for being taken out by magnetic attraction, facilitates maintenance, improves the maintenance efficiency; the installation position is preferably located on the downstream side of the maintenance position, so that after the first magnetic attraction module takes out the fan to be maintained, the fan operation track continues to run, at this time, the empty position moves to the installation position, and then the second magnetic attraction module can effectively install the standby fan to the installation position, so that the replacement and installation of the fan to be maintained are completed without stopping running, the maintenance efficiency is improved, and the heat dissipation performance is also ensured not to be reduced.

[0050] In some embodiments,

[0051] Further comprising a maintenance track 7, the first magnetic attraction module 3 is arranged on the maintenance track 7, the maintenance track 7 can be connected with the maintenance position 5, and the first magnetic attraction module 3 moves on the maintenance track 7 to move to the maintenance position 5 to take out the fan to be maintained 21 by magnetic attraction.

[0052] The utility model also sets up the maintenance channel, and the first magnetic attraction module is arranged on the maintenance channel, the maintenance channel is connected with the maintenance position, so as to realize the effect that the first magnetic attraction module is transported to the maintenance channel to take out the fan to be maintained efficiently.

[0053] In some embodiments,

[0054] Further comprising a second magnetic attraction module 8, the second magnetic attraction module 8 is also arranged on the maintenance track 7, and the standby fan 22 is arranged on the second magnetic attraction module 8, and the second magnetic attraction module 8 can move to the installation position 6 on the fan operation track 4 to install the standby fan 22 on the installation position 6.

[0055] The utility model sets up the second magnetic attraction module on the maintenance channel, and the maintenance channel is also connected with the installation position, so that the standby fan can be transported to the installation position, the running fan on the fan operation track is ensured not to be reduced, the heat dissipation air volume and the heat dissipation effect are ensured, the heat dissipation performance is ensured not to be reduced when efficient maintenance is realized.

[0056] In some embodiments,

[0057] The maintenance track 7 comprises a first track 71, a second track 72, a third track 73 and a fourth track 74, the first end of the first track 71 is connected with the installation position 6 through the second track 72, the second end of the first track 71 is connected with the maintenance position 5 through the third track 73, the fourth track 74 is connected between the second track 72 and the third track 73, the first magnetic attraction module 3 is located at the first end of the first track 71 when the fan 2 does not need to be maintained, and the first magnetic attraction module 3 moves to the maintenance position 5 through the second track 72, the fourth track 74 and the third track 73 in sequence when the fan 2 needs to be maintained.

[0058] This is the preferred structure of the maintenance track of the utility model, through four tracks connected in sequence, the first magnetic attraction module moves to the maintenance position through the second track, the fourth track and the third track in sequence to take out the fan to be maintained, and the second magnetic attraction module moves to the installation position through the first track and the second track to install the standby fan, the movement paths of the two magnetic attraction modules do not overlap and collide, interference is prevented, the two can run smoothly and unobstructed, the standby fan can be installed at the next moment when the fan to be maintained is taken out, and the maintenance efficiency is improved.

[0059] In some embodiments,

[0060] The first magnetic attraction module 3 moves to the second end of the first track 71 through the third track 73 in sequence after taking out the fan to be maintained 21, and replacement or maintenance of the fan to be maintained 21 is performed at the position.

[0061] The utility model further optimizes the movement path of the first magnetic attraction module after taking out the fan to be maintained, that is, the fan to be maintained is transported to the second end of the first track through the third track, replacement or maintenance is facilitated at the position, interference of the movement paths of the two magnetic attraction modules is further prevented, and the maintenance efficiency is further improved.

[0062] In some embodiments,

[0063] The second magnetic attraction module 8 is located at the second end of the first track 71 when the fan 2 does not need to be maintained, and the second magnetic attraction module 8 can move to the first end of the first track 71 through the first track 71 and then move to the installation position 6 through the second track 72 when the fan 2 needs to be maintained and the fan to be maintained 21 is taken out by the first magnetic attraction module 3, so as to transport the standby fan 22 to the installation position 6 on the fan running track 4.

[0064] This is the preferred track running path of the second magnetic attraction module of the utility model, which further prevents interference of the movement paths of the two magnetic attraction modules and further improves the maintenance efficiency.

[0065] In some implementations...

[0066] The second magnetic module 8 includes a second magnetic bracket with an open U-shaped structure. The opening of the second magnetic bracket faces the backup fan 22 to fix the backup fan 22 thereon. The second magnetic bracket can move to the installation position 6 to face its opening towards the installation position 6, so as to install the backup fan 22 onto the installation position 6.

[0067] This is a preferred structural form of the second magnetic module of this utility model. Through the structure of the U-shaped magnetic support, its opening can face the standby fan and effectively magnetically attract the standby fan. The standby fan can be magnetically attracted on three sides, increasing the magnetic attraction effect and ensuring the stability of the standby fan transmission process.

[0068] In some implementations...

[0069] The maintenance track 7 is a U-shaped track, with the first track 71 parallel to the fourth track 74 and the second track 72 parallel to the third track 73.

[0070] This is a preferred structural form of the maintenance track of this utility model. By adopting a U-shaped track, the first magnetic module moves sequentially through the second, fourth and third tracks to the maintenance position to remove the fan to be maintained. Meanwhile, the second magnetic module moves through the first and second tracks to the installation position to install the backup fan. The movement paths of the two magnetic modules will not overlap or collide, preventing interference. Both can operate smoothly and independently, ensuring that the backup fan can be installed immediately after the fan to be maintained is removed, thus improving maintenance efficiency.

[0071] The fan on the panel of this utility model is connected by a fan running track, and the fan runs along the track... Figure 4 As shown by the arrow, the fan rotates. The center on the back of the fan can rotate and move. It can connect to the track in four directions through its own movement. When a fan is damaged, the air volume can be adjusted by rotation to ensure that the unit can temporarily meet the heat dissipation requirements while waiting for maintenance. During maintenance and disassembly, the damaged fan can be moved to the panel by rotating the track. The panel can then be disassembled and the internal fan can be removed for replacement.

[0072] Specific structure: under normal circumstances, the fan can move clockwise along the square track, the square track above exists the maintenance track 7, the fan will not run on the maintenance track during normal operation, the standby fan and the magnetic attraction module exist on the maintenance track, the fan moves on the maintenance track and is driven by the magnetic attraction module, the fan can only move and operate normally in the normal square track, the fan will not move and operate when leaving the normal square track, and is grabbed and moved by the magnetic attraction module to ensure that the fan is normally operated and moved and separated from the maintenance area.

[0073] The movement diagram is as shown in Figure 4 The initial state of the standby fan is located at the upper right, supported by the second magnetic attraction module, and the first magnetic attraction module is located at the upper left standby.

[0074] When a fan is damaged, the fan is moved to the fan replacement area, the first magnetic attraction module rotates and moves in the arrow direction (position 1 is the movement process of the magnetic attraction module) to the maintenance position 5, and then the damaged fan is grabbed and lifted under the action of the magnetic attraction; at the same time, the standby fan is moved under the driving of the second magnetic attraction module, moves according to the movement track of position 2, and the standby fan and the damaged fan move to position 3 respectively; at the same time, the normal fan starts to move, moves the vacant fan position to the left side, the damaged fan rotates and moves to the upper right, and the standby fan moves to the vacant position, as shown in 4; after the movement is completed, the second magnetic attraction module moves to the upper left (the two magnetic attraction modules can be alternately operated), the fan replacement is completed, and the fan can work normally again.

[0075] Technical effects of the utility model:

[0076] 1. Improve the fan maintenance efficiency, while ensuring that the heat dissipation performance does not decrease; facilitate the installation and maintenance of the cabinet air conditioner, and ensure effective heat dissipation; solve the problems of inconvenient disassembly and low efficiency;

[0077] 2. Replace the standby fan immediately after the maintenance and disassembly of the fan to be maintained, solve the problem that the heat dissipation cannot be normal during the maintenance process and the heat dissipation efficiency is reduced.

[0078] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model. It should be pointed out that for ordinary technical personnel in the technical field, on the premise of not departing from the technical principle of the utility model, a number of improvements and modifications can be made, and these improvements and modifications should be regarded as the protection scope of the utility model.

Claims

1. A backpack air conditioner, characterized by: Including: A panel (1), a fan (2) and a first magnetic attraction module (3). A fan operation track (4) is provided on the panel (1). There are at least two fans (2), and at least two fans (2) are arranged on the fan operation track (4). The fan operation track (4) can move to drive the fan (2) to move, or the fan (2) can move along the fan operation track (4). A maintenance position (5) for taking out a to-be-maintained fan (21) is provided on the fan operation track (4). When the to-be-maintained fan (21) moves to the maintenance position (5), the first magnetic attraction module (3) can move to the maintenance position (5) and take out the to-be-maintained fan (21) by magnetic attraction. A spare fan (22) is further provided outside the fan operation track (4), and the spare fan (22) can move to an installation position (6) on the fan operation track (4) to ensure continuous operation of multiple fans.

2. The back panel air conditioner according to claim 1, wherein: The first magnetic attraction module (3) includes a first magnetic attraction bracket which has an open U-shaped structure. The first magnetic attraction bracket can move to the maintenance position (5) to face its opening towards the to-be-maintained fan (21) and magnetically attract and take out the to-be-maintained fan (21).

3. The back panel air conditioner according to claim 1, wherein: The fan operation track (4) has a "return" - shaped structure, so that multiple fans move in a position - cycling motion on the "return" - shaped track; along the advancing direction of the fan, the installation position (6) is located on the downstream side of the maintenance position (5) on the fan operation track (4).

4. The back panel air conditioner according to claim 1, wherein: It further includes a maintenance track (7). The first magnetic attraction module (3) is arranged on the maintenance track (7). The maintenance track (7) can be connected to the maintenance position (5). The first magnetic attraction module (3) moves on the maintenance track (7) to be able to move to the maintenance position (5) and magnetically attract and take out the to-be-maintained fan (21).

5. The back panel air conditioner according to claim 4, wherein: It further includes a second magnetic attraction module (8). The second magnetic attraction module (8) is also arranged on the maintenance track (7), and the spare fan (22) is provided on the second magnetic attraction module (8). The second magnetic attraction module (8) can move to the installation position (6) on the fan operation track (4) to be able to install the spare fan (22) onto the installation position (6).

6. The back panel air conditioner according to claim 5, wherein: The maintenance track (7) includes a first track (71), a second track (72), a third track (73) and a fourth track (74). The first end of the first track (71) is connected to the installation position (6) through the second track (72). The second end of the first track (71) is connected to the maintenance position (5) through the third track (73). The fourth track (74) is connected between the second track (72) and the third track (73). When the fan (2) does not need maintenance, the first magnetic attraction module (3) is located at the first end of the first track (71). When the fan (2) needs maintenance, the first magnetic attraction module (3) moves to the maintenance position (5) through the second track (72), the fourth track (74) and the third track (73) in sequence.

7. The backboard air conditioner according to claim 6, wherein: After the to-be-maintained fan (21) is taken out, the first magnetic attraction module (3) moves to the second end of the first track (71) through the third track (73) in sequence, and the to-be-maintained fan (21) is replaced or maintained at this position.

8. The backboard air conditioner according to claim 6, wherein: When the fan (2) does not need maintenance, the second magnetic attraction module (8) is located at the second end of the first track (71). When the fan (2) needs maintenance and the to-be-maintained fan (21) is taken out by the first magnetic attraction module (3), the second magnetic attraction module (8) can first move to the first end of the first track (71) through the first track (71), and then move to the installation position (6) through the second track (72), so as to convey the spare fan (22) to the installation position (6) on the fan operation track (4).

9. The backboard air conditioner according to claim 5, wherein: The second magnetic attraction module (8) includes a second magnetic attraction bracket. The second magnetic attraction bracket has an open U-shaped structure. The opening of the second magnetic attraction bracket faces the spare fan (22) to fix the spare fan (22) thereon. The second magnetic attraction bracket can move to the installation position (6) to face its opening towards the installation position (6) and install the spare fan (22) onto the installation position (6).

10. The backboard air conditioner according to claim 6, wherein: The maintenance track (7) is in a "return" - shaped track. The first track (71) is parallel to the fourth track (74), and the second track (72) is parallel to the third track (73).

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