CN112747556A

CN112747556A - Direct current motor control method and device for display screen position adjustment and refrigerator

Info

Publication number: CN112747556A
Application number: CN201911055544.7A
Authority: CN
Inventors: 许升; 俞国新; 肖小龙; 陈庆; 虞朝丰; 袁宇波; 吴远刚; 杨景刚; 孙天奎; 高山
Original assignee: State Grid Jiangsu Electric Power Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd; Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
Current assignee: State Grid Jiangsu Electric Power Co Ltd; Qingdao Haier Smart Technology R&D Co Ltd; Haier Smart Home Co Ltd; Electric Power Research Institute of State Grid Jiangsu Electric Power Co Ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2021-05-04

Abstract

The application relates to the technical field of refrigerators and discloses a direct current motor control method for adjusting the position of a display screen, which comprises the steps of determining the target operation height of the display screen according to the height of a current operation user; and controlling the direct current motor to operate so as to drive the display screen to move to the target operation height. Through the operation of the height control direct current motor who obtains the user to realize the height of automatically regulated display screen, make the display screen can reciprocate on the door body surface, come the comfortable operating height of adaptation user with the adjustment position. The height of the display screen is matched with the height of a user, convenience is provided for the user to operate and touch the display screen, and the problem that the user is labor-consuming to operate and use due to height difference is solved. The application also discloses a direct current motor control device and a refrigerator for adjusting the position of the display screen.

Description

Direct current motor control method and device for display screen position adjustment and refrigerator

Technical Field

The application relates to the technical field of refrigerators, in particular to a direct current motor control method and device for adjusting the position of a display screen and a refrigerator.

Background

At present, after the household refrigerator is installed, the position of the household refrigerator is relatively fixed, the positions of a display screen and keys of the household refrigerator are also fixed, and a user selects and displays different functions of the household refrigerator by touching the display screen and the keys of the household refrigerator. Since the display screen of the refrigerator is generally designed according to the height of a normal person, the disabled, the elderly or the shorter adults can feel particularly hard when operating the refrigerator, and the key operation of the display screen of the refrigerator can be performed only after an object is placed under the feet, so that the refrigerator is very inconvenient to use.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: the position of the display screen of the refrigerator is relatively fixed, so that a user with a short height or a high height is inconvenient to use.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.

The embodiment of the disclosure provides a direct current motor control method and device for display screen position adjustment and a refrigerator, and aims to solve the technical problem that a user with a short height or a high height is inconvenient to use due to the fact that the position of a display screen of the refrigerator is fixed.

In some embodiments, the control method is for a refrigerator with a display screen adjustable in height, the control method including: determining the target operation height of the display screen according to the height of the current operation user; and controlling the direct current motor to operate so as to drive the display screen to move to the target operation height.

In some embodiments, the control device comprises: the direct current motor control method for the position adjustment of the display screen comprises a processor and a memory, wherein program instructions are stored in the memory, and the processor is configured to execute the direct current motor control method for the position adjustment of the display screen when executing the program instructions.

In some embodiments, the refrigerator includes: the door body is provided with a display screen with adjustable height; and the direct current motor control device for adjusting the position of the display screen.

The direct current motor control method and device for adjusting the position of the display screen and the refrigerator provided by the embodiment of the disclosure can achieve the following technical effects:

through the operation of the height control direct current motor who obtains the user to realize the height of automatically regulated display screen, make the display screen can reciprocate on the door body surface, come the comfortable operating height of adaptation user with the adjustment position. The height of the display screen is matched with the height of a user, convenience is provided for the user to operate and touch the display screen, and the problem that the user is labor-consuming to operate and use due to height difference is solved.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:

fig. 1 is a schematic flowchart of a dc motor control method for display screen adjustment according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a dc motor control device for display screen adjustment according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of another dc motor control device for display screen adjustment according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a refrigerator according to an embodiment of the present disclosure;

fig. 5 is a schematic structural diagram of another refrigerator provided in the embodiment of the present disclosure.

Reference numerals:

10: a matching module; 20: a control module; 30: a door body; 40: a display screen; 50: a guide device; 60: a mobile device; 70: a direct current motor; 81: a first shield; 82: a second shield; 90: a height detection device; 100: a processor; 101: a memory; 102: a communication interface; 103: a bus.

Detailed Description

So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.

The embodiment of the present disclosure provides a direct current motor control method for adjusting a position of a display screen, which is used for a refrigerator with an adjustable height of the display screen, and as shown in fig. 1, the control method includes:

step S10, determining the target operation height of the display screen according to the height of the current operation user;

and step S20, controlling the direct current motor to operate to drive the display screen to move to the target operation height.

In some embodiments, determining a target operating height of the display screen based on the height of the current operating user comprises:

determining a user entering a detection range as a current operation user, and acquiring the height of the current operation user;

and determining a target operation height matched with the height of the current operation user according to the corresponding relation between the height of the user and the operation height of the display screen.

And when the user is detected to enter the detection range, acquiring the height of the user as the height of the current operation user. The operation of obtaining the height can obtain the height of the user through the sensor, obtain the whole body illumination of the user through the image obtaining device for carrying out the proportion calculation, or obtain the user information stored in the database after the current user identity is identified through the face identification device to obtain the height corresponding to the user identity.

In some embodiments, the correspondence between the height of the user and the operating height of the display screen includes: and determining the height of the display screen when a first included angle is formed by the top of the display screen and the horizontal extension line of the height of the user downwards as the operation height of the display screen according to the height of the user. Optionally, the first included angle is 10 to 20 degrees. Thus, the most suitable screen operation height corresponding to the height of the user is obtained.

Optionally, the height of the current operation user may be the height of eyes of the current operation user, and the height when an included angle of 10-20 degrees is formed between the vertex of the display screen and the horizontal sight line of the user downwards is used as the target operation height of the display screen.

Optionally, when a plurality of users entering the detection range are captured, the user closest to the display screen is determined as the current operation user. Under the kitchen use scene of family, probably when a plurality of users are in the kitchen, catch a plurality of users that are in detection range, according to the distance between a plurality of users that the sensor detected and the display screen, confirm that the distance is nearest for the current operation user this moment, control direct current motor that can be more timely, accurate drives the display screen and removes to suitable height. In other embodiments of the present solution, it may also be determined by the facial recognition device that the user facing the display screen is the current operating user among the captured users.

According to the direct current motor control method for adjusting the position of the display screen, the operation of the direct current motor is controlled by obtaining the height of a user, so that the height of the display screen is automatically adjusted, the height of the display screen is matched with the height of the user, convenience is brought to the user for operating and touching the display screen, and the problem that the user is labor-consuming to operate and use due to height difference is solved.

The disclosed embodiment provides a dc motor control device for adjusting the position of a display screen, which is used in a refrigerator with an adjustable height of the display screen, and as shown in fig. 2, the control device includes:

the matching module 10 is set to determine the target operation height of the display screen according to the height of the current operation user;

and the control module 20 is configured to control the direct current motor to operate so as to drive the display screen to move to the target operation height.

The display screen is driven to move by the direct current motor, so that the display screen can move up and down on the surface of the door body, the comfortable operation height of a user can be adapted by adjusting the position, and the problem that the user is labor-consuming in operation due to height difference is solved.

In some embodiments, the matching module 10 is configured to determine that a user entering the detection range is a current operation user, and obtain a height of the current operation user; and determining a target operation height matched with the height of the current operation user according to the corresponding relation between the height of the user and the operation height of the display screen.

The sensor, the image acquisition device or the face recognition device can be arranged on the refrigerator or intelligent household appliances around the refrigerator, and communicate with the matching module 10 in a wired or wireless connection mode.

In some embodiments, in the matching module 10, the correspondence between the height of the user and the operating height of the display screen includes: and determining the height of the display screen when a first included angle is formed by the top of the display screen and the horizontal extension line of the height of the user downwards as the operation height of the display screen according to the height of the user. Optionally, the first included angle is 10 to 20 degrees. Thus, the most suitable screen operation height corresponding to the height of the user is obtained.

Optionally, the control module 20 is configured to control the running direction of the dc motor to drive the display screen to run in a direction close to the top of the refrigerator when the target operation height is higher than the current height of the display screen; when the target operation height is lower than the current height of the display screen, controlling the running direction of the direct current motor to drive the display screen to run towards the direction close to the bottom of the refrigerator; and after the display screen reaches the target operation height, controlling the direct current motor to stop running.

The direct current motor control device for display screen position control that this disclosed embodiment provided is through the operation of the height control direct current motor who acquires the user to realize automatically regulated display screen's height, make the high phase-match of display screen and user's height, for user operation, touch display screen provide convenience, solved the problem that the operation that the user caused because of the height difference is used hard.

The embodiment of the present disclosure provides a dc motor control device for adjusting the position of a display screen, which has a structure as shown in fig. 3, and includes:

a processor (processor)100 and a memory (memory)101, and may further include a Communication Interface (Communication Interface)102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via a bus 103. The communication interface 102 may be used for information transfer. The processor 100 may call logic instructions in the memory 101 to perform the dc motor control method for display screen position adjustment of the above-described embodiment.

In addition, the logic instructions in the memory 101 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.

The memory 101, which is a computer-readable storage medium, may be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, that is, implements the dc motor control method for display screen position adjustment in the above method embodiments.

The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, the memory 101 may include a high-speed random access memory, and may also include a nonvolatile memory.

The embodiment of the disclosure provides a computer-readable storage medium, which stores computer-executable instructions configured to execute the above-mentioned dc motor control method for adjusting the position of a display screen.

The disclosed embodiments provide a computer program product comprising a computer program stored on a computer-readable storage medium, the computer program comprising program instructions that, when executed by a computer, cause the computer to perform the above-described dc motor control method for display screen position adjustment.

The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.

The embodiment of the present disclosure provides a refrigerator, as shown in fig. 4, including a door 30, on which a height-adjustable display screen 40 is disposed; and the above-mentioned control device of the direct current motor 70 for the position adjustment of the display screen 40.

In some embodiments, the door body 30 includes:

a guide device 50 provided on the door 30 along a length direction;

a moving device 60 disposed on the display screen 40 and matched with the guide device 50;

and a dc motor 70 disposed on the door 30 and configured to drive the moving device 60 to move along the guide device 50 so as to move the display 40.

The moving device 60 is driven by the direct current motor 70 to move on the guide device 50 so as to drive the display screen 40 to move, so that the display screen 40 can move up and down on the surface of the door body 30, the comfortable operation height of a user can be adapted by adjusting the position, and the problem that the user is labor-consuming to operate due to height difference is solved.

The longitudinal direction in the present embodiment means that the door body 30 is provided in a vertical direction. The guide device 50 is arranged on the door body 30 and used for limiting the moving path of the display screen 40; the display screen 40 moves on the guide device 50 through the moving device 60, so that the position of the display screen 40 is adjusted; the dc motor 70 controls and powers the moving means 60.

In some embodiments, the guiding device 50 is a sliding rail, the moving device 60 is a pulley matched with the sliding rail, and the dc motor 70 is connected with the pulley. The slide rail may be disposed on the surface of the door 30, or embedded in the door 30. The structure of slide rail is comparatively simple, and the friction noise is less during the slip, easy to assemble. After the direct current motor 70 is connected with the pulley, the moving direction of the pulley on the sliding rail is controlled through self-steering. Optionally, a plurality of pulleys may be disposed on the display screen 40, so that the moving process is more stable.

In some embodiments, the door 30 further includes:

one end of the first shielding piece 81 is connected with the pulley, and the other end is connected with the top end of the sliding rail;

a second shielding member 82, one end of which is connected with the pulley and the other end of which is connected with the bottom end of the slide rail;

the first and

second shutters

81 and 82 are each provided to switch between a stretched state and a compressed state to block the slide rail.

Through setting up first shielding piece 81, second shielding piece 82, shelter from the exposed slide rail when removing display screen 40, reduce the influence of slide rail to the refrigerator outward appearance. Optionally, the first shielding member 81 and the second shielding member 82 are telescopic plates, and are stretched and compressed along the length direction of the door 30 according to the movement state of the pulley; in other embodiments of the present disclosure, the first and

second shielding members

81 and 82 may also be flexible elastic color belts.

In some embodiments, as shown in fig. 5, the door 30 further includes a height detection device 90. The height detection device 90 comprises a user height obtaining module for obtaining the height of the user. Optionally, the user height obtaining module may be an infrared sensor, and is configured to perform height confirmation of the user according to a feedback signal obtained by obtaining infrared rays; optionally, the user height obtaining module may be an image obtaining module, configured to determine the height of the user according to a ratio according to the user image obtained in the detection area; optionally, the user height obtaining module may be a face recognition module, and is configured to invoke the identity information of the user in the database to confirm the height according to the obtained current operating user. Optionally, the height detecting device 90 further includes a display screen 40 height detecting module disposed on the slide rail, and configured to obtain a current height of the display screen 40, so as to determine a distance to be moved according to the target operating height. Optionally, the display screen 40 height detecting module may be an optical sensor disposed on the slide rail, and is configured to determine the current height of the display screen 40 according to a feedback signal of the optical signal.

The refrigerator provided by the embodiment comprises a door body 30, wherein a display screen 40 with adjustable height is arranged on the door body 30; and a control device of the direct current motor 70 for position adjustment of the display screen 40. The target operation height of the display screen 40 is obtained by detecting the height of the current operation user, the direct current motor 70 is controlled to drive the pulley to move on the sliding rail, so that the display screen 40 is driven to move up and down to the target operation height along the refrigerator door body 30, the direct current motor 70 stops running, and when the situation that the user enters the detection range is detected again, the process of obtaining the height of the user and controlling the movement of the display screen 40 is repeatedly circulated, so that the display screen 40 can be kept at the height suitable for the operation of the user. The height of the display screen 40 is automatically adjusted, so that the height of the display screen 40 is matched with the height of a user, convenience is provided for the user to operate and touch the display screen 40, and the problem that the operation and use of the display screen 40 of the refrigerator are labor-consuming due to height difference of the user is solved.

The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, which is stored in a storage medium and includes one or more instructions for enabling a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.

The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the disclosed embodiments includes the full ambit of the claims, as well as all available equivalents of the claims. As used in this application, although the terms "first," "second," etc. may be used in this application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, unless the meaning of the description changes, so long as all occurrences of the first element are renamed consistently and all occurrences of the second element are renamed consistently. The first and second elements are both elements, but may not be the same element. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other identical elements in a process, method or device comprising the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.

Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, a division of a unit may be merely a division of a logical function, and an actual implementation may have another division, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. Units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

Claims

1. A direct current motor control method for adjusting the position of a display screen is used for a refrigerator with the adjustable height of the display screen, and is characterized by comprising the following steps:

determining the target operation height of the display screen according to the height of the current operation user;

and controlling the direct current motor to operate so as to drive the display screen to move to the target operation height.

2. The direct current motor control method according to claim 1, wherein determining a target operating height of the display screen according to a height of a current operating user comprises:

determining a user entering a detection range as the current operation user, and acquiring the height of the current operation user;

3. The direct current motor control method according to claim 2, wherein when it is captured that a plurality of users enter the detection range, it is determined that the user closest to the display screen is the current operating user.

4. A dc motor control apparatus for display screen position adjustment, comprising a processor and a memory storing program instructions, characterized in that the processor is configured to perform the method according to any of claims 1 to 3 when executing the program instructions.

5. A refrigerator, characterized by comprising:

the door body is provided with a display screen with adjustable height; and the combination of (a) and (b),

the dc motor control device for display screen position adjustment according to claim 4.

6. The refrigerator according to claim 5, wherein the door body comprises:

the guide device is arranged on the door body along the length direction;

the mobile device is arranged on the display screen and is matched with the guide device;

and the direct current motor is arranged on the door body and is used for driving the moving device to move along the guide device so as to enable the display screen to move.

7. The refrigerator as claimed in claim 6, wherein the guide means is a slide rail, the moving means is a pulley fitted to the slide rail, and the dc motor is connected to the pulley.

8. The refrigerator according to claim 7, wherein the door further comprises:

one end of the first shielding piece is connected with the pulley, and the other end of the first shielding piece is connected with the top end of the sliding rail;

one end of the second shielding piece is connected with the pulley, and the other end of the second shielding piece is connected with the bottom end of the sliding rail;

the first and second shields are each configured to switch between a stretched state and a compressed state to shield the slide rail.

9. The refrigerator according to claim 6, 7 or 8, wherein the door further comprises a height detecting device.

10. The refrigerator of claim 9, wherein the height detecting means includes an infrared sensor.