CN217112893U - Display device control apparatus and display system - Google Patents
Display device control apparatus and display system Download PDFInfo
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- CN217112893U CN217112893U CN202220578555.4U CN202220578555U CN217112893U CN 217112893 U CN217112893 U CN 217112893U CN 202220578555 U CN202220578555 U CN 202220578555U CN 217112893 U CN217112893 U CN 217112893U
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Abstract
A display device control apparatus and a display system are disclosed. The power supply unit supplies power to the head-mounted display equipment, the head-mounted display equipment is configured to be powered on and started, and the power controller controls the working state of the power supply unit, so that the head-mounted display equipment is automatically started up in the powered state of the power supply unit. From this, can realize carrying out one-key start-up to a plurality of head-mounted display device in the display device controlling means, reduce user operation, promote availability factor and user experience.
Description
Technical Field
The utility model relates to a display device technical field especially relates to a display device controlling means and display system.
Background
Virtual Reality (VR) devices are devices that provide an immersive sensation in an interactive three-dimensional environment generated on a computer by comprehensively using a computer graphics system and various interface devices for Reality and control. Head-mounted display device is one of virtual reality equipment, and its wide application can guide the student to study through display screen and speaker in the education field, and the student wears head-mounted display device and imparts knowledge to students, can produce a sensation that is personally on the scene to deepen the study impression, improve learning efficiency.
When current wear-type display device was applied to the teaching activity, need the manual start-up back of user, the mr transmits the teaching data to wear-type display device through the server, and the user begins to attend a class. When the number of the head-mounted display devices is large, due to the fact that the starting time of the user is inconsistent or the user forgets to start the device, preparation time for a class is long, efficiency is low, and user experience is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an aim at provides a display device controlling means and display system to realize starting up a plurality of head-mounted display device keys, reduce user operation, promote availability factor and user experience.
In a first aspect, an embodiment of the present invention provides a display device control apparatus, the apparatus includes:
at least one power supply unit comprising a first interface;
at least one head mounted display device comprising a second interface configured to receive electrical signals from the first interface;
the power supply controller is used for controlling the working state of the power supply unit, and the working state comprises a power-on state and a power-off state;
wherein the head-mounted display device is configured to switch to the power-on state in response to detecting that the power supply unit is switched from the power-off state to the power-on state through the second interface in the power-off state.
In some embodiments, the apparatus further comprises:
a first key configured to send a first control signal to the power controller in response to being triggered;
wherein the power supply controller is configured to control the operating state of the at least one power supply unit to be switched to the power-on state in response to receiving a first control signal.
In some embodiments, the apparatus further comprises:
a second key configured to send a second control signal to the power controller in response to being triggered;
wherein the power controller is configured to acquire a charging state of each head-mounted display device in response to receiving the second control signal.
In some embodiments, the apparatus further comprises:
a control device configured to transmit a control signal to the power supply controller, the control signal including a first control signal and a second control signal;
the first control signal is used for controlling the power controller to control the working state of the at least one power supply unit to be switched to a power-on state, and the second control signal is used for controlling the power controller to acquire the charging state of each head-mounted display device.
In some embodiments, the charging status includes charging and charging completion;
wherein the power controller is configured to control the corresponding power supply unit to switch to a power-off state in response to the charging state of the head-mounted display device being charging completion.
In some embodiments, the head-mounted display device is configured to connect to a server over a wireless network in response to switching from an off state to an on state.
In some embodiments, the power supply controller is configured to send a switching signal to the power supply unit in a wired or wireless manner to control an operating state of the power supply unit.
In some embodiments, the power controller is configured to obtain the charging status by receiving information reported by the head-mounted display device.
In some embodiments, the power supply unit is further configured to obtain a charging status of the head-mounted display device;
wherein the power supply controller is configured to acquire the charging state by receiving information transmitted by the power supply unit.
In a second aspect, an embodiment of the present invention provides a display system, including:
the display device control apparatus according to the first aspect;
a server, communicatively connected with the display device control apparatus, configured to transmit display data to the display device control apparatus.
The utility model discloses technical scheme is the head-mounted display device power supply through the power supply unit to configure the head-mounted display device into the last start, through power controller control power supply unit operating condition, make the automatic start of head-mounted display device under the on-state of power supply unit. From this, can realize carrying out one-key start-up to a plurality of head-mounted display device in the display device controlling means, reduce user operation, promote availability factor and user experience.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of a display system according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a display device control apparatus according to a first embodiment of the present invention;
fig. 3 is a circuit diagram of a power supply unit of an embodiment of the present invention;
fig. 4 is a circuit diagram of a display device control apparatus according to a second embodiment of the present invention.
Detailed Description
The present invention will be described below based on examples, but the present invention is not limited to only these examples. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, components and circuits have not been described in detail so as not to obscure the present invention.
Further, those of ordinary skill in the art will appreciate that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.
Meanwhile, it should be understood that, in the following description, a "circuit" refers to a conductive loop constituted by at least one element or sub-circuit through electrical or electromagnetic connection. When an element or circuit is referred to as being "connected to" another element or element/circuit is referred to as being "connected between" two nodes, it may be directly coupled or connected to the other element or intervening elements may be present, and the connection between the elements may be physical, logical, or a combination thereof. In contrast, when an element is referred to as being "directly coupled" or "directly connected" to another element, it is intended that there are no intervening elements present.
Unless the context clearly requires otherwise, throughout the description, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".
In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Fig. 1 is a schematic diagram of a display system according to an embodiment of the present invention. As shown in fig. 1, the display system of the present embodiment includes a display device control apparatus 1 and a server 2. The display device control apparatus 1 and the server 2 are connected in communication.
In the present embodiment, when a user performs a lesson, the user inputs login information including information such as an account number and a password through the display device control apparatus 1 and transmits the login information to the server 2. And after receiving the login information, the server 2 verifies the user identity. If the authentication is passed, the display data is transmitted to the display device control apparatus 1. After receiving the display data, the display device control apparatus 1 displays the display data by the head-mounted display device.
The communication between the display device control apparatus 1 and the server 2 may be implemented by technologies such as GSM (Global System for Mobile Communications), GPRS (General packet radio service), eMTC (enhanced machine communication, LTE enhanced MTO), NB-IoT (Narrow Band Internet of Things), and the like.
Fig. 2 is a circuit diagram of a display device control apparatus according to a first embodiment of the present invention. As shown in fig. 2, the display device control apparatus 1 of the present embodiment includes a first key 11, a second key 12, a power controller 13, a power supply unit 14a, a power supply unit 14b, a power supply unit 14c, a power supply unit 14d, a head-mounted display device 15a, a head-mounted display device 15b, a head-mounted display device 15c, and a head-mounted display device 15 d.
The first key is connected with the power supply controller in a wired or wireless mode and is configured to send a first control signal to the power supply controller in response to being triggered.
The second key is connected with the power supply controller in a wired or wireless mode and is configured to send a second control signal to the power supply controller in response to being triggered.
The first control signal and the second control signal may be digital signals or analog signals. When the first control signal and the second control signal can be digital signals, the first key and the second key are in communication connection with the power supply controller, and when the first key and the second key are triggered by a user, digital signals are generated and sent to the power supply controller. When the first control signal and the second control signal can be analog signals, the first key and the second key can be set as a switch circuit and electrically connected with the power supply controller, and when the first key and the second key are triggered by a user, the analog signals are generated and transmitted to the power supply controller.
Further, when the first control signal and the second control signal may be digital signals, the communication connection between the first key and the second key and the power controller may be realized in a wireless or wired manner, which is not limited by the embodiment of the present invention.
In an optional implementation manner, when the first control signal and the second control signal may be digital signals, the communication connection between the first key and the second key and the power controller is a wired connection. The wired connection may be implemented by a bus interface such as a CAN (Controller Area Network), a LIN (Local Interconnect Network), an RS-485, a UART (Universal Asynchronous Receiver/Transmitter), and the like. Wherein CAN is a serial communication protocol of ISO international organization for standardization. LIN (bus is a low-cost serial communication protocol based on UART/SCI (universal asynchronous receiver/transmitter/serial interface) and is mainly used for serial communication of sensors and controllers, RS-485 bus standard is a very wide two-way and balanced transmission standard interface used in industry (attendance, monitoring and data acquisition system) and supports multipoint connection, and UART is a universal serial data bus used for asynchronous communication, and the bus can realize full-duplex transmission and reception.
In another optional embodiment, when the first control signal and the second control signal may be digital signals, the communication connection between the first key and the second key and the power controller is a wireless connection. The wireless connection can be through a wireless network such as Bluetooth, Wi-Fi, NB-IoT, LoRa or ZigBee. The bluetooth is a radio technology supporting short-distance communication of devices, and has the advantages of large transmission range, strong penetrability, strong anti-interference performance, low power consumption, low cost and the like. Wi-Fi is a wireless communication technology and is widely used in daily life, and thus, communication connection is achieved without additional hardware facilities for class saving. NB-IoT (Narrow-Band Internet of Things) has the characteristics of wide coverage, low power consumption, lower module cost and the like. The LoRa is one of LPWAN (Low Power Wide Area Network), is an ultra-long distance wireless transmission scheme based on spread spectrum technology adopted and popularized by Semtech corporation in the united states, and has the characteristics of long distance, Low Power consumption, multiple nodes, Low cost and the like. The ZigBee technology is a two-way wireless communication technology with short distance, low complexity, low power consumption, low speed and low cost.
In this embodiment, the power controller is connected to the power supply unit and configured to send a switching signal to the power supply unit to control an operating state of the power supply unit. Wherein the operating state includes a power-on state and a power-off state.
Further, the power supply controller is configured to control the working state of the power supply unit to be switched from a power-off state to a power-on state in response to receiving the first control signal. And acquiring the charging state of each head-mounted display device in response to receiving the second control signal.
In this embodiment, the power supply unit is configured to supply power to the head-mounted display device. The power supply unit comprises at least one first interface, the head-mounted display device comprises at least one second interface, and the first interface is matched with the second interface in shape, so that the power supply unit and the head-mounted display device can be electrically connected through the first interface and the second interface.
It should be understood that, in the embodiment shown in fig. 2, the number of the power supply units is 4 for example, but the embodiment of the present invention does not limit the number of the power supply units, and the number of the power supply units may be one, or two or more. Meanwhile, each power supply unit is connected with one head-mounted display device for illustration, but the embodiment of the present invention does not limit this, and one power supply unit can also be connected with a plurality of head-mounted display devices.
Fig. 3 is a circuit diagram of a power supply unit according to an embodiment of the present invention. In the embodiment shown in fig. 3, the power supply unit includes a power source P, a relay K, a first interface 141, and a control circuit 142.
The power supply P, the relay K, and the first interface 141 are connected in series, and the control circuit 142 is configured to control on or off of the relay.
Specifically, the control circuit is connected to the power supply controller, and when the control circuit receives a first control signal, the relay K is controlled to be turned on, so that the power supply P supplies power to the first interface. And when the control circuit receives a second control signal, the relay K is controlled to be switched off so as to power off the first interface.
Among them, a relay is an electric control device, and is an electric appliance that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount (excitation amount) meets a predetermined requirement. Has an interactive relationship between a control system (also called an input loop) and a controlled system (also called an output loop). The automatic switch is usually applied to an automatic control circuit, and controls the operation of a large current by using a small current, so that the automatic switch plays roles of automatic regulation, safety protection, circuit switching and the like in the circuit.
In this embodiment, the power supply P may be an external ac power supply of 220V or 380V, or may be implemented by a battery.
In an alternative implementation, the power supply unit supplies power to the head-mounted display device in a wired manner. The first interface and the second interface can be realized in a contact type, a plug-in type and other modes.
In another alternative implementation manner, the power supply unit supplies power to the head-mounted display device in a wireless manner. The first interface is a wireless transmitting coil, and the second interface is a wireless receiving coil, so that wireless charging can be realized.
In this embodiment, the power controller is further configured to acquire a charging status of each head-mounted display device in response to receiving the second control signal, the charging status including charging and charging completion.
In an optional implementation manner, the power controller is configured to obtain the charging state by receiving information reported by the head-mounted display device. Specifically, when the class is finished, the user presses a second key to send a second control signal to the power controller to trigger the power controller to acquire the charging state of the head-mounted display device. Meanwhile, when the class is finished, the user can place the head-mounted display device at a corresponding position, so that the second interface of the head-mounted display device is connected with the first interface of the power supply unit, and the power supply unit charges the head-mounted display device. Wherein the head mounted display device may be configured to send the power value to the power controller once every predetermined period of time (e.g., 30 seconds or 1 minute) during the charging process, and/or the head mounted display device may be configured to send a charging completion signal to the power controller when the charging is completed. Thus, the power controller may determine the charging state of the head-mounted display device by receiving information transmitted by the head-mounted display device.
Wherein the power supply unit may transmit a signal to the power controller in a wireless manner. The wireless mode includes sending a signal to the power controller through bluetooth, Wi-Fi (wireless internet access), and the like.
In another alternative implementation, the power controller is configured to acquire a charging state of the head-mounted display device through a power supply unit. Specifically, when the class is finished, the user presses a second key to send a second control signal to the power controller to trigger the power controller to acquire the charging state of the head-mounted display device. Simultaneously, when the class is finished, the user can place head mounted display device in the position that corresponds to make head mounted display device's second interface with power supply unit's first interface connection, in order to realize power supply unit charges for head mounted display device. Wherein the power supply unit may obtain the charging state of the head-mounted display device by sampling a charging current and/or a charging voltage.
Further, the power controller is further configured to control the corresponding power supply unit to be powered off in response to the charging of the head-mounted display device being completed. Therefore, the power consumption of the power supply unit can be reduced, and accidents such as electric shock can be avoided.
It should be understood that the power supply unit shown in fig. 3 is only one example provided by the embodiment of the present invention, and the embodiment of the present invention is not limited to the structure and function of the power supply unit, and it may be implemented in other manners. For example, the power supply unit further includes a rectifying circuit, a filtering circuit, a dc-dc converter, etc. to process and output an externally input 220V or 380V ac signal. For another example, the power supply unit further includes an emergency power supply configured to turn on the emergency power supply to supply power in response to detection of a power outage of the external power supply.
Therefore, the head-mounted display equipment is set to be powered on and started, when a user presses the first key in class, and the first key generates a first control signal and sends the first control signal to the power supply controller. When the power supply controller receives the first control signal, the power supply unit is controlled to be powered on, so that the head-mounted display device connected with the power supply unit is powered on, one-key class giving is achieved, user operation is reduced, and using efficiency and user experience are improved. When in a later class, the head-mounted display device is placed at a corresponding position, so that the power supply unit charges the head-mounted display device, and meanwhile, the user presses the second key, and the second key generates a second control signal and sends the second control signal to the power supply controller. When the power supply controller receives the second control signal, the charging state of the head-mounted display device is acquired, and when the charging completion is detected, the power supply unit is controlled to be powered off, so that the power consumption of the power supply unit can be reduced, and accidents such as electric shock are avoided.
The embodiment of the utility model provides a supply power for head-mounted display device through the power supply unit to with head-mounted display device configuration for going up the power-on, through electrical controller control power supply unit operating condition, make the power supply unit head-mounted display device automatic start under the on state. From this, can realize carrying out one-key start-up to a plurality of head-mounted display device in the display device controlling means, reduce user operation, promote availability factor and user experience.
Fig. 4 is a circuit diagram of a display device control apparatus according to a second embodiment of the present invention. As shown in fig. 4, the display device control apparatus 1 of the present embodiment includes a control device 16, a power controller 13, a power supply unit 14a, a power supply unit 14b, a power supply unit 14c, a power supply unit 14d, a head-mounted display device 15a, a head-mounted display device 15b, a head-mounted display device 15c, and a head-mounted display device 15 d.
In this embodiment, the control device is a human-computer interaction device, and may receive an instruction input by a user, and may also present relevant information to the user.
In an alternative implementation, the control device includes a display and an input device, wherein the input device may be implemented by a keyboard, a mouse, or the like.
In another alternative implementation, the control device includes a touch screen, and the user can realize human-computer interaction by touching the touch screen.
Furthermore, the control equipment displays a first control and a second control through a display or a touch screen, the first control is a class button, and the second control is a class button.
When the first control is clicked, the control equipment sends a first control signal to the power controller, and when the second control is clicked, the control equipment sends a second control signal to the power controller. Wherein, after the power controller receives the first control signal or the second control signal, the specific processing flow is similar to that of the first embodiment shown in fig. 3, and the embodiment of the present invention is not repeated herein.
It should be noted that the control device or the power supply controller further includes a general-purpose computer hardware structure such as a memory and a processor, and the memory and the processor are connected by a bus. Wherein the memory is adapted to store instructions or programs executable by the processor. The processor may be a stand-alone microprocessor or a collection of one or more microprocessors. Thus, the processor implements interaction with the server, control of the power controller, control of other devices, and the like by executing instructions stored by the memory.
The Processor may be implemented by an MCU (micro Controller Unit), a PLC (Programmable Logic Controller), an FPGA (Field-Programmable Gate Array), a DSP (Digital Signal Processor), or an ASIC (Application Specific Integrated Circuit).
Therefore, the head-mounted display equipment is set to be powered on, when a user presses the first key during class, the first key generates a first control signal and sends the first control signal to the power controller. When the power supply controller receives the first control signal, the power supply unit is controlled to be powered on, so that the head-mounted display device connected with the power supply unit is powered on, one-key class giving is achieved, user operation is reduced, and using efficiency and user experience are improved. When in a later class, the head-mounted display device is placed at a corresponding position, so that the power supply unit charges the head-mounted display device, and meanwhile, the user presses the second key, and the second key generates a second control signal and sends the second control signal to the power supply controller. When the power supply controller receives the second control signal, the charging state of the head-mounted display device is acquired, and when the charging completion is detected, the power supply unit is controlled to be powered off, so that the power consumption of the power supply unit can be reduced, and accidents such as electric shock are avoided.
The embodiment of the utility model provides a supply power for head-mounted display device through the power supply unit to with head-mounted display device configuration for going up the power-on, through electrical controller control power supply unit operating condition, make the power supply unit head-mounted display device automatic start under the on state. From this, can realize carrying out one-key start-up to a plurality of head-mounted display device in the display device controlling means, reduce user operation, promote availability factor and user experience.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A display device control apparatus, characterized in that the apparatus comprises:
at least one power supply unit comprising a first interface;
at least one head mounted display device comprising a second interface configured to receive electrical signals from the first interface;
the power supply controller is used for controlling the working state of the power supply unit, and the working state comprises a power-on state and a power-off state;
wherein the head-mounted display device is configured to switch to the power-on state in response to detecting that the power supply unit is switched from the power-off state to the power-on state through the second interface in the power-off state.
2. The apparatus of claim 1, further comprising:
a first key configured to send a first control signal to the power controller in response to being triggered;
wherein the power supply controller is configured to control the operating state of the at least one power supply unit to be switched to the power-on state in response to receiving a first control signal.
3. The apparatus of claim 1, further comprising:
a second key configured to send a second control signal to the power controller in response to being triggered;
wherein the power controller is configured to acquire a charging state of each head-mounted display device in response to receiving the second control signal.
4. The apparatus of claim 1, further comprising:
a control device configured to transmit a control signal to the power supply controller, the control signal including a first control signal and a second control signal;
the first control signal is used for controlling the power controller to control the working state of the at least one power supply unit to be switched to a power-on state, and the second control signal is used for controlling the power controller to acquire the charging state of each head-mounted display device.
5. The apparatus of claim 3 or 4, wherein the charging state comprises charging and charging completion;
wherein the power controller is configured to control the corresponding power supply unit to switch to a power-off state in response to the charging state of the head-mounted display device being charging completion.
6. The apparatus of claim 1, wherein the head-mounted display device is configured to connect to a server over a wireless network in response to switching from an off state to an on state.
7. The apparatus of claim 1, wherein the power controller is configured to send a switching signal to the power supply unit in a wired or wireless manner to control an operating state of the power supply unit.
8. The apparatus of claim 3 or 4, wherein the power controller is configured to obtain the charging status by receiving information reported by the head-mounted display device.
9. The apparatus according to claim 3 or 4, wherein the power supply unit is further configured to obtain a charging status of the head-mounted display device;
wherein the power supply controller is configured to acquire the charging state by receiving information transmitted by the power supply unit.
10. A display system, the system comprising:
the display device control apparatus according to any one of claims 1 to 9;
a server, communicatively connected with the display device control apparatus, configured to transmit display data to the display device control apparatus.
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| CN202220578555.4U CN217112893U (en) | 2022-03-16 | 2022-03-16 | Display device control apparatus and display system |
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