Rail device for sliding door and refrigeration device

Abstract

The embodiment of the present application provides a sliding rail device for a sliding door and a refrigeration device. The sliding rail device comprises: a pair of sliding rail assemblies, each of the sliding rail assemblies comprising at least a first sliding rail connected to a chamber and a second sliding rail connected to the sliding door, the second sliding rail being slidingly connected to the first sliding rail; a driving mechanism connected to at least one of the pair of sliding rail assemblies, the driving mechanism being adapted to drive the pair of sliding rail assemblies to slide to realize opening or closing of the sliding door relative to the chamber; an encoder connected to the driving mechanism, the encoder being adapted to collect operation information of the driving mechanism; and a controller connected to the driving mechanism and the encoder respectively, the controller being adapted to control the sliding door to work through the driving mechanism and the sliding rail assemblies according to the operation information. The sliding rail device can be used to automatically open or close the sliding door under power supply, and has a gear adjusting function when the sliding door is opened or closed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of household appliances, and in particular to a sliding rail device for a sliding door and a refrigeration device. BACKGROUND

[0002] For modern life, refrigeration devices such as refrigerators or freezers have become essential household appliances for every family. With the continuous improvement of people's living standards, users' demand for the intelligentization of refrigeration devices is also gradually increasing. SUMMARY

[0003] The purpose of the embodiments of the present application is to provide a sliding rail device for a sliding door and a refrigeration device.

[0004] The sliding rail device for a sliding door provided by the embodiments of the present application, which is suitable for opening or closing at least one chamber, comprises: a pair of sliding rail assemblies, each of which comprises at least a first sliding rail connected to the chamber and a second sliding rail connected to the sliding door, and the second sliding rail and the first sliding rail are slidingly connected; a driving mechanism connected to at least one of the pair of sliding rail assemblies, which is suitable for driving the pair of sliding rail assemblies to slide to realize the opening or closing of the sliding door relative to the chamber; an encoder connected to the driving mechanism, which is suitable for collecting operation information of the driving mechanism; and a controller connected to the driving mechanism and the encoder respectively, which is suitable for controlling the sliding door to work through the driving mechanism and the sliding rail assembly according to the operation information.

[0005] Optionally, the sliding rail device further comprises a pair of support assemblies, each of which comprises a first sliding rail support suitable for mounting the first sliding rail on the chamber and a second sliding rail support suitable for mounting the second sliding rail on the sliding door.

[0006] Optionally, the driving mechanism comprises a driving motor, a clutch connected to the driving motor, and a driving rack in meshing transmission connection with the clutch; the driving rack is connected to the second sliding rail of the same sliding rail assembly, and the driving motor is connected to the first sliding rail of the same sliding rail assembly.

[0007] Optionally, the sliding rail device further comprises a synchronization mechanism connected between the pair of sliding rail assemblies, which comprises: a pair of synchronization racks connected to the two first sliding rails respectively; a pair of synchronization gears connected to the two second sliding rails respectively, each of which is in meshing transmission connection with one of the synchronization racks; and a synchronization connecting rod having two ends connected to the pair of synchronization gears respectively.

[0008] Optionally, the operation information comprises an operation speed, an operation time and an operation direction; and the controller is further suitable for determining a sliding displacement of the sliding door according to the operation information.

[0009] Optionally, the controller is further adapted to determine whether the sliding door slides to a target gear according to the sliding displacement, and control the sliding door to stop sliding by the driving mechanism and the slide rail assembly if yes; wherein different target gears correspond to different sliding displacements of the sliding door.

[0010] Optionally, the input component connected with the controller is further adapted to acquire the target gear of the sliding door and transmit to the controller; the controller is further adapted to control the sliding door to start sliding by the driving mechanism and the slide rail assembly according to the target gear.

[0011] Optionally, the input component comprises a gear switch and / or a voice input component.

[0012] Optionally, the sliding displacement comprises a sliding distance and a sliding direction; the controller is further adapted to determine whether the sliding distance meets a distance threshold, and control the sliding door to start sliding by the driving mechanism and the slide rail assembly according to the sliding direction if yes.

[0013] Optionally, the operating information comprises a locked-rotor current; the controller is adapted to determine that the sliding door is in an abnormal operating state according to the locked-rotor current, and control the sliding door to stop operating by the driving mechanism and the slide rail assembly.

[0014] The embodiment of the present application further provides a refrigeration equipment comprising a chamber and a sliding door adapted to open or close the chamber, wherein the slide rail equipment according to any one of claims 1 to 20 is installed between the chamber and the sliding door.

[0015] Compared with the prior art, the technical scheme of the embodiment of the present application has beneficial effects, for example, the slide rail equipment can make the sliding door automatically open or close under power-on (the input gear and the output gear of the clutch are connected) and manually open or close under power-off (the input gear and the output gear of the clutch are separated).

[0016] For another example, the slide rail equipment further has a gear adjustment function, which can trigger and control the sliding door to open or close at a target gear, and different target gears correspond to different sliding displacements of the sliding door when opening or closing.

[0017] For another example, the slide rail equipment further has an intelligent sensing function, which can automatically determine the operating direction of the sliding door and control the sliding door to open or close according to the operating direction when a user applies a small force to the sliding door.

[0018] For another example, the slide rail equipment further has an operating protection function, which can control the sliding door to stop operating in time to protect the sliding door and the slide rail equipment itself when the sliding door encounters an obstacle during operation. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1is a structural schematic diagram of a refrigeration equipment provided by an embodiment of the present application;

[0020] Figure 2 is a schematic diagram of a chamber in a closed state provided by an embodiment of the present application;

[0021] Figure 3 is a schematic diagram of a chamber in an open state provided by an embodiment of the present application;

[0022] Figure 4 is Figure 3 is a partial enlarged schematic diagram at A;

[0023] Figure 5 is a partial schematic diagram of a slide rail equipment provided by an embodiment of the present application;

[0024] Figure 6 is another schematic diagram of a chamber in an open state provided by an embodiment of the present application. DETAILED DESCRIPTION

[0025] In order to make the purposes, features and beneficial effects of the embodiments of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below with reference to the drawings.

[0026] In order to facilitate the description of the refrigeration equipment provided by the embodiments of the present application, the six directions of up, down, left, right, front and back are illustrated in the drawings provided by the embodiments of the present application, which are determined based on the normal use state and from the perspective of the refrigeration equipment facing the user. Among them, "front" represents the direction of the side of the refrigeration equipment close to the user, "back" represents the direction of the side of the refrigeration equipment away from the user, "left" and "right" are determined based on the aforementioned "front" and "back" directions according to the natural orientation, "up" represents the direction of the side of the top of the refrigeration equipment, and "down" represents the direction of the side of the bottom of the refrigeration equipment. It should be understood that from other perspectives of the refrigeration equipment, there will also be up, down, left, right, front and back directions corresponding to the corresponding perspective; the up, down, left, right, front and back directions illustrated in the drawings provided by the embodiments of the present application are only for facilitating the description of the technical solutions of the embodiments of the present application, and do not constitute a limiting interpretation of these solutions.

[0027] The embodiments of the present application provide a slide rail equipment for a sliding door and a refrigeration equipment comprising the same.

[0028] Figure 1 is a structural schematic diagram of a refrigeration equipment provided by an embodiment of the present application;

[0029] As Figure 1 shown, in some specific examples, the refrigeration equipment 10 can comprise a chamber 100 provided with a sliding door 200.

[0030] Specifically, the chamber 100 can be a refrigeration chamber or a freezing chamber.

[0031] The chamber 100 has a front opening (not shown in the figure), and the sliding door 200 is arranged at the opening and can slide forward and backward relative to the chamber 100 to open or close the chamber 100.

[0032] The refrigeration device 10 further comprises a sliding rail device 300 for the sliding door, which is adapted to make the sliding door 200 slide forward and backward to open or close the chamber 100.

[0033] Figure 2 is a schematic view of the chamber in a closed state provided by an embodiment of the present application; Figure 3 is a schematic view of the chamber in an open state provided by an embodiment of the present application.

[0034] As shown in Figure 2 and Figure 3 , the sliding rail device 300 comprises a pair of sliding rail assemblies 310, a driving mechanism 320, an encoder 330 and a controller 340.

[0035] Specifically, the pair of sliding rail assemblies 310 are arranged in parallel and spaced apart, one of which is arranged on the left side of the chamber 100 and the other of which is arranged on the right side of the chamber 100. Each sliding rail assembly 310 at least comprises a first sliding rail 311 connected to the chamber 100 and a second sliding rail 312 connected to the second sliding door 200, and the second sliding rail 312 is slidingly connected with the first sliding rail 311.

[0036] In some specific examples, the sliding rail assembly 310 can adopt a two-rail form, or a three-rail form or a multi-rail form. Regardless of whether the sliding rail assembly 310 adopts a two-rail form, a three-rail form or a multi-rail form, the specific implementation can be realized by conventional technical means in the art, which will not be described here.

[0037] In the examples shown in Figure 2 and Figure 3 , the sliding rail assembly 310 adopts a two-rail form.

[0038] The sliding rail device 300 further comprises a support assembly 350 adapted to mount the sliding rail assembly 310 to the chamber 100 and the sliding door 200. The support assembly 350 is provided in two groups, and each group of the support assembly 350 is used in cooperation with one group of the sliding rail assembly 310.

[0039] Each group of the support assembly 350 comprises a first sliding rail support 351 adapted to mount the first sliding rail 311 to the chamber 100 and a second sliding rail support 352 adapted to mount the second sliding rail 312 to the sliding door 200.

[0040] Specifically, the first slide rail support 351 is mounted on the side wall of the chamber 100, and the first slide rail 311 is connected to the first slide rail support 351. The second slide rail support 352 is mounted on the rear side wall of the sliding door 200, and the second slide rail 312 is connected to the second slide rail support 352. The second slide rail 312 is in sliding connection with the first slide rail 311.

[0041] In some specific examples, the second slide rail 312 and the second slide rail support 352 can be oppositely arranged, and the second slide rail 312 is provided with an upwardly open slot on the side thereof facing the second slide rail support 352, and the second slide rail support 352 is provided with an insert at the lower end thereof, and the second slide rail support 352 and the second slide rail 312 can be connected together by inserting the insert into the slot from top to bottom.

[0042] In order to ensure the connection stability of the second slide rail support 352 and the second slide rail 312 and prevent the second slide rail 312 from shaking relative to the second slide rail support 352, a matching piece 353 can also be inserted into the slot.

[0043] Referring to Figure 2 and Figure 3 , the matching piece 353 can be located on the side of the second slide rail support 352 away from the second slide rail 312 and inserted into the slot of the second slide rail 312 together with the insert of the second slide rail support 352 side by side.

[0044] In some specific examples, the second slide rail support 352 is also adapted to support a storage drawer arranged in the chamber 100 through the top portion thereof. The left and right ends of the storage drawer can be respectively supported on the top portions of the two second slide rail supports 352.

[0045] The driving mechanism 320 is connected with at least one of the pair of slide rail assemblies 310, which is adapted to drive the pair of slide rail assemblies 310 to slide to realize the opening or closing of the sliding door 200 relative to the chamber 100.

[0046] Figure 4 is Figure 3 A local enlarged view at A.

[0047] Referring to Figure 2 and Figure 4 , the driving mechanism 320 includes a driving motor 321, a clutch 322 connected with the driving motor 321, and a driving rack 323 in meshing transmission connection with the clutch 322.

[0048] In some specific examples, the driving mechanism 320 is connected with only one set of slide rail assemblies 310. The driving motor 321 and the driving rack 323 are respectively connected with the first slide rail 311 and the second slide rail 312 of the set of slide rail assemblies 310.

[0049] For example, the driving motor 321 and the driving rack 323 can be installed on a set of support assemblies 350 that are used in cooperation with the set of slide rail assemblies 310. In this case, the driving motor 321 is installed on a first slide rail support 351, and the driving rack 323 is installed on a second slide rail support 352.

[0050] Referring to Figure 2 and Figure 4 In some specific examples, the driving motor 321 can be installed on the first slide rail support 351 in a lower position by using a motor support 324.

[0051] In some specific examples, the motor support 324 can have an "L"-shaped cross section, including a vertical part and a horizontal part that are connected to each other. The vertical part of the motor support 324 can be installed on the first slide rail support 351, and the horizontal part of the motor support 324 can be used to fix the driving motor 321.

[0052] In some other specific examples, the controller 340 can also be fixed on the horizontal part of the motor support 324, and the encoder 330 can be installed on the controller 340.

[0053] The clutch 322 can include an input gear and an output gear that are disconnected from each other. The input gear is connected to the output end of the driving motor 321, and the output gear is in meshing transmission connection with the driving rack 323.

[0054] In the case of power failure, the input gear and the output gear of the clutch 322 are disconnected, and the driving motor 321 cannot drive the output gear of the clutch 322 to rotate.

[0055] In the case of power supply, the input gear and the output gear of the clutch 322 are connected, and the driving motor 321 can drive the input gear to rotate through the output end of the driving motor 321, thereby driving the output gear to rotate.

[0056] Thus, by using the above technical solutions provided by the embodiments of the present application, in the case of power supply, the driving motor 321 drives the input gear to rotate, the input gear drives the output gear to rotate while rotating, the output gear drives the driving rack 322 to move forward and backward while rotating, and the driving rack 322 drives the second slide rail 312 to slide forward and backward relative to the first slide rail 311 while moving forward and backward, so that the sliding door 200 can be opened or closed relative to the chamber 100 by sliding the second slide rail 312 forward and backward relative to the first slide rail 311.

[0057] In some specific examples, when the second slide rail 312 slides forward relative to the first slide rail 311, the sliding door 200 moves forward relative to the chamber 100 to open the chamber 100. When the second slide rail 312 slides backward relative to the first slide rail 311, the sliding door 200 moves backward relative to the chamber 100 to close the chamber 100.

[0058] However, when the sliding door 200 is opened or closed relative to the chamber 100, the sliding of the slide rail assemblies 310 on both sides of the chamber 100 is not necessarily completely synchronized, which can cause the sliding door 200 to run unstably.

[0059] To solve the problem of unstable operation of the sliding door 200, in the technical scheme provided in the embodiments of the present application, the slide rail device 300 can further comprise a synchronization mechanism connected between the pair of slide rail assemblies 310.

[0060] Figure 5 is a partial schematic view of the slide rail device provided in the embodiments of the present application.

[0061] As shown in Figure 5 , the slide rail device 300 further comprises a synchronization mechanism 360. The synchronization mechanism 360 comprises a pair of synchronization gears 361, a pair of synchronization racks 362 each in meshing transmission connection with a synchronization gear 362, and a synchronization link 363 connected between the pair of synchronization gears 361.

[0062] In some specific examples, the rear end of the second slide rail 312 in each group of slide rail assemblies 310 is each provided with a synchronization gear 361, the lower end of the synchronization gear 361 is each in meshing transmission connection with a synchronization rack 362, the synchronization rack 362 is mounted on the corresponding first slide rail support 351, and the two ends of the synchronization link 363 are each fixedly connected with a synchronization gear 361.

[0063] In this way, when the sliding door 200 is opened or closed relative to the chamber 100, the two synchronization gears 361 respectively connected with the pair of slide rail assemblies 310 can move synchronously along the respective corresponding synchronization racks 362 under the action of the synchronization link 363, so that the pair of slide rail assemblies 310 synchronously slide, and the sliding door 200 runs stably when it is opened or closed relative to the chamber 100.

[0064] The encoder 330 is connected with the driving mechanism 320, which is adapted to collect the operation information of the driving mechanism 320.

[0065] The controller 340 is connected with the driving mechanism 320 and the encoder 330 respectively, which is adapted to control the pair of slide rail assemblies 310 to work through the driving mechanism 320 according to the operation information of the driving mechanism 320, and further control the sliding door 200 to work through the slide rail assemblies 310.

[0066] Controlling the slide rail assemblies 310 to work can include controlling the second slide rail 312 of the slide rail assemblies 310 to slide forward and backward relative to the first slide rail 311 to realize the opening or closing of the sliding door 200 relative to the chamber 100, and can also include controlling the second slide rail 312 of the slide rail assemblies 310 to stop sliding relative to the first slide rail 311 to realize the stop of the sliding door 200.

[0067] In some specific examples, the encoder 330 can be connected with the driving motor 321 and adapted to collect the running information of the driving motor 321. The controller 340 can be connected with the driving motor 321 and the encoder 330 respectively and adapted to control the pair of slide rail assemblies 310 to work through the driving mechanism 320 according to the running information of the driving motor 321.

[0068] The running information of the driving motor 321 can include the running speed, the running time and the running direction. The controller 340 is further adapted to determine the sliding displacement of the sliding door 200 according to the running information.

[0069] In the technical scheme provided by the embodiment of the present application, the sliding displacement of the sliding door 200 is the same as the sliding displacement of the second slide rail 312 relative to the first slide rail 311 in the slide rail assembly 310, and the sliding displacement of the second slide rail 312 relative to the first slide rail 311 is the same as the moving displacement of the driving rack 322.

[0070] The moving displacement of the driving rack 322 can be converted by the running speed, the running time and the running direction of each gear in the driving motor 321 and the clutch 322, and the specific conversion process is well known in the art, which will not be described here.

[0071] In some specific examples, the running speed of the driving motor 321, the input gear and the output gear of the clutch 322 can be the same.

[0072] Since the running information collected by the encoder 330 includes the running speed and the running time of the driving motor 321, the controller 340 is further adapted to calculate the sliding distance of the pair of slide rail assemblies 310 according to the running speed and the running time of the driving motor 321, and the sliding distance of the slide rail assembly 310 is the sliding distance of the sliding door 200.

[0073] In the technical scheme provided by the embodiment of the present application, the rotation of the driving motor 321 can include forward rotation and reverse rotation.

[0074] In some specific examples, the rotation direction of the input gear and the output gear of the clutch 322 can be the same as the rotation direction of the driving motor 321. The transmission direction of the driving rack 323 is the same as the sliding direction of the second slide rail 312 relative to the first slide rail 311 in the slide rail assembly 310.

[0075] Specifically, when the driving motor 321 rotates forward, it can control the second slide rail 312 in the slide rail assembly 310 to slide forward relative to the first slide rail 311 to open the sliding door 200. When the driving motor 321 reverses, it can control the second slide rail 312 in the slide rail assembly 310 to slide backward relative to the first slide rail 311 to close the sliding door 200.

[0076] The operation information collected by the encoder 330 can also include an operation direction of the driving motor 321. The controller 340 is further adapted to determine a sliding direction of the sliding door 200 according to the operation direction, and determine a sliding displacement of the sliding door 200 according to the sliding direction and a sliding distance of the sliding door 200.

[0077] In the technical solution provided by the embodiment of the present application, the degree of opening or closing of the sliding door 200 relative to the cavity 100 can be embodied by setting a target gear. Different target gears correspond to different sliding displacements of the sliding door 200, and different sliding displacements of the sliding door 200 correspond to different sliding displacements of the second sliding rail 312 relative to the first sliding rail 311 in the pair of sliding rail assemblies.

[0078] The controller 340 is further adapted to determine whether the sliding door 200 slides to the target gear according to the sliding displacement determined by it, and in the case of yes, control the pair of sliding rail assemblies 310 to stop sliding through the driving motor 321, and further control the sliding door 200 to stop running through the sliding rail assemblies 310.

[0079] Thus, in the running process of the sliding door 200, the controller 340 can also determine whether the sliding displacement of the sliding door 200 reaches the target gear, and stop running when the target gear is reached, so as to realize that the degree of opening or closing of the sliding door 200 relative to the cavity 100 is controllable and the gear is adjustable.

[0080] Figure 6 is another schematic view of the cavity in the open state provided by the embodiment of the present application.

[0081] As shown in Figure 6 The sliding rail device 300 can also include an input component 370.

[0082] The input component 370 is connected with the controller 340, and is adapted to collect a target gear of opening or closing of the sliding door 200, and transmit the target gear to the controller 340. The controller 340 is further adapted to control the sliding door 200 to open or close to the target gear through the driving mechanism 320 and the sliding rail assemblies 310 according to the target gear.

[0083] In some specific examples, the input component 370 can be installed on the sliding door 200, or the cabinet of the refrigeration device 10.

[0084] Specifically, the input component 370 can include a gear switch and / or a voice input component.

[0085] The gear switch can include several different target gears suitable for opening or closing the sliding door 200, and the different target gears correspond to different displacement information of the sliding door 200 opening or closing, and the displacement information includes a running distance and a running direction of the sliding door 200. For example, the gear switch can include a 1-gear touch button, a 2-gear touch button, a -1-gear touch button, and a -2-gear touch button; triggering the 1-gear touch button is suitable for fully opening the sliding door 200, triggering the 2-gear touch button is suitable for opening the sliding door 200 forward by 20 cm, triggering the -1-gear touch button is suitable for fully closing the sliding door 200, and triggering the -2-gear touch button is suitable for closing the sliding door 200 backward by 20 cm.

[0086] The voice input component is suitable for collecting a target gear triggered by a user voice, and the target gear triggered by the user voice includes a running distance and a running direction of the sliding door 200. For example, the user can trigger a target gear such as "fully open" or "close by 20 cm" through the voice input component. Wherein, "open" and "close" respectively represent different running directions.

[0087] The controller 340 is further suitable for controlling the sliding door 200 to start running according to the running direction contained in the target gear collected by the input component 370 through the driving mechanism 320 and the slide rail assembly 310, and then judging whether the sliding distance of the sliding door 200 reaches the running distance contained in the target gear, and controlling the sliding door 200 to stop running when reaching, so as to make the sliding door 200 open or close to the target gear.

[0088] Therefore, by using the slide rail device 300 provided by the embodiment of the present application, the degree to which the sliding door 200 is expected to be opened or closed, i.e., the degree to which the sliding door 200 can be opened or closed, can be adjusted according to the user's needs.

[0089] In the technical scheme provided by the embodiment of the present application, not only can the degree to which the sliding door 200 is opened or closed be adjusted according to the user's needs, but also a small force can be manually applied to the sliding door 200, and the expected running direction of the sliding door 200 is determined by the direction of the force, and the sliding door 200 is controlled to run according to the expected direction. Wherein, the expected running direction includes opening or closing.

[0090] Specifically, the sliding displacement of the sliding door 200 includes a sliding distance and a sliding direction. The controller 340 is further suitable for judging whether the sliding distance of the sliding door 200 is less than or equal to a distance threshold, and in the case of less than or equal to, controlling the sliding door 200 to open or close according to the sliding direction of the sliding door 200 through the driving mechanism 320 and the slide rail assembly 310.

[0091] In some specific examples, the distance threshold can be preset in the controller 340. The distance threshold can be a small force manually exerted by the user on the sliding door 200 and suitable for the maximum distance for opening or closing the sliding door 200.

[0092] When the sliding door 200 is opened or closed by a small force for a short distance, the running speed, running time and running direction of the driving motor 321 are first collected by the encoder 330, and then the sliding distance and sliding direction of the sliding door 200 opened or closed by the small force are calculated by the controller 340, and it is determined whether the sliding distance is less than or equal to the distance threshold, and in the case of less than or equal to, a pair of sliding rail assemblies 310 are controlled to start sliding by the driving mechanism 320 according to the sliding direction to open or close the sliding door 200. The sliding distance can be obtained by converting the running speed and running time of the driving motor 321, and the sliding direction can be obtained by converting the running direction of the driving motor 321.

[0093] For example, the distance threshold can be preset to 3mm, and when the user exerts a pulling force on the sliding door 200 to open it forward by 2mm, the sliding rail device 300 can automatically determine that the running direction of the sliding door 200 is opening, and control the sliding door 200 to start opening.

[0094] The degree to which the sliding door 200 is automatically opened or closed by a small force exerted by the user can be set according to user needs. For example, when the sliding door 200 is automatically opened or closed by a small force exerted by the user, the controller 340 is suitable for controlling the sliding door 200 to be fully opened or fully closed.

[0095] In the technical solutions provided in the embodiments of the present application, the running state of the sliding door 200 can also be determined by the running state of the driving motor 321, and the sliding door 200 can be controlled to stop running when the sliding door 200 is running abnormally.

[0096] When the sliding door 200 encounters an obstacle during operation, the driving motor 321 will generate a locked-rotor current. The encoder 330 can also be used to collect the locked-rotor current of the driving motor 321. The controller 340 is also suitable for determining that the sliding door 200 is in an abnormal running state when the locked-rotor current is collected by the encoder 330, and controlling the sliding rail assembly 310 to stop sliding by the driving mechanism 320, and then controlling the sliding door 200 to stop running.

[0097] In this way, the sliding rail device 300 provided in the embodiments of the present application can also have a running protection function. When the sliding door 200 encounters an obstacle during operation, the sliding rail device 300 can timely control the sliding door 200 to stop running to protect the sliding door 200 and the sliding rail device 300 itself.

[0098] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of the present disclosure, even if only a single embodiment is described with respect to a particular feature. The examples of features provided in the present disclosure are intended to be illustrative rather than limiting, unless expressly stated otherwise. In practice, one or more features from a dependent claim can be combined with features of the independent claim and the features from the respective independent claim can be combined in any appropriate way and not only by the specific combinations listed in the claims.

[0099] Although the present disclosure has been described with reference to the above embodiments, the present disclosure is not limited to the above embodiments. Any person skilled in the art, without departing from the spirit and scope of the present disclosure, can make various modifications and changes, and the scope of protection of the present disclosure should be limited by the scope defined in the claims.

Claims

1. A sliding rail device (300) for a sliding door (200) adapted to open or close at least one chamber (100), characterized in that, comprising: a pair of sliding rail assemblies (310), each sliding rail assembly (310) comprising at least a first sliding rail (311) connected to the chamber (100) and a second sliding rail (312) connected to the sliding door (200), the second sliding rail (312) and the first sliding rail (311) being slidingly connected; a driving mechanism (320) connected to at least one of the pair of sliding rail assemblies (310) and adapted to drive the pair of sliding rail assemblies (310) to slide to achieve the opening or closing of the sliding door (200) relative to the chamber (100); an encoder (330) connected to the driving mechanism (320) and adapted to collect operation information of the driving mechanism (320); the operation information comprising operation speed, operation time and operation direction; a controller (340) connected to the driving mechanism (320) and the encoder (330) respectively, and adapted to calculate the sliding distance of the sliding rail assembly (310) according to the operation information, so as to control the operation of the sliding door (200) through the driving mechanism (320) and the sliding rail assembly (310); the driving mechanism (320) comprising a driving motor (321), a clutch (322) connected to the driving motor (321), and a driving rack (323) meshingly connected to the clutch (322). In the case of power failure, the input gear and the output gear of the clutch (322) are separated, and the driving motor (321) cannot drive the output gear of the clutch (322) to rotate.

2. The sliding rail device (300) according to claim 1, characterized in that, further comprising a pair of support assemblies (350), each support assembly (350) comprising a first sliding rail support (351) adapted to mount the first sliding rail (311) to the chamber (100) and a second sliding rail support (352) adapted to mount the second sliding rail (312) to the sliding door (200).

3. The sliding rail device (300) according to claim 1, characterized in that, the driving rack (323) is connected to the second sliding rail (312) of the same sliding rail assembly (310), and the driving motor (321) is connected to the first sliding rail (311) of the same sliding rail assembly (310).

4. The sliding rail device (300) according to claim 1, characterized in that, further comprising a synchronization mechanism (360) connected between the pair of sliding rail assemblies (310), comprising: a pair of synchronization racks (362) connected to the two first sliding rails (311) respectively; a pair of synchronization gears (361) connected to the two second sliding rails (312) respectively, each synchronization gear (361) being meshingly connected to one synchronization rack (362); a synchronization connecting rod (363) having two ends connected to the pair of synchronization gears (361) respectively.

5. The slide rail device (300) according to claim 1, wherein, the controller (340) is further adapted to determine a sliding displacement of the sliding door (200) according to the operation information.

6. The slide rail device (300) according to claim 5, wherein, the controller (340) is further adapted to determine whether the sliding door (200) slides to a target gear according to the sliding displacement, and control the sliding door (200) to stop sliding by the driving mechanism (320) and the slide rail assembly (310) if yes; wherein different target gears correspond to different sliding displacements of the sliding door (200).

7. The slide rail device (300) according to claim 6, wherein, it further comprises an input component (370) connected to the controller (340), which is adapted to acquire a target gear of the sliding door (200) and transmit to the controller (340); the controller (340) is further adapted to control the sliding door (200) to start sliding by the driving mechanism (320) and the slide rail assembly (310) according to the target gear.

8. The slide rail device (300) according to claim 7, wherein, the input component (370) comprises a gear switch and / or a voice input component.

9. The slide rail device (300) according to claim 5, wherein, the sliding displacement comprises a sliding distance and a sliding direction; the controller (340) is further adapted to determine whether the sliding distance meets a distance threshold, and control the sliding door (200) to start sliding by the driving mechanism (320) and the slide rail assembly (310) according to the sliding direction if yes.

10. The slide rail device (300) according to claim 1, wherein, the operation information comprises a locked-rotor current; the controller (340) is adapted to determine that the sliding door (200) is in an abnormal operation state according to the locked-rotor current, and control the sliding door (200) to stop operation by the driving mechanism (320) and the slide rail assembly (310).

11. A refrigeration device (10) comprising a chamber (100) and a sliding door (200) adapted to open or close the chamber, wherein, the chamber (100) and the sliding door (200) are installed with the slide rail device (300) according to any one of claims 1 to 10.

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