CN204440036U - An intelligent central control device based on WIFI network - Google Patents

Abstract

The utility model provides a WIFI-based intelligent central control device, which communicates with the outside through a WIFI communication circuit on one hand, and is also provided with a sound sensor and/or an infrared sensor on the other hand, when the sound sensor detects that the environmental sound value is lower than a preset sound threshold value and/or the infrared sensor detects that the environmental infrared value is lower than a preset infrared threshold value, the central control device is indicated that no personnel exist in a classroom at the moment, and does not need to be started, so that a timer of a main control circuit is driven to time, when the time is over, the possibility that no personnel exist in the classroom at the moment can be considered to be high, the main control circuit generates a shutdown request signal and sends the shutdown request signal out through a WIFI network, and therefore a user can know the state of the central control device in time, avoiding the problem of missing shutdown.

Description

An intelligent central control device based on WIFI network

technical field

The utility model relates to the technical field of central control equipment, in particular to an intelligent central control equipment based on a WIFI network.

Background technique

In the modern teaching environment, more and more electronic devices are introduced as teaching tools, such as projectors, audio, multimedia equipment and so on. Due to the large number of electronic devices involved, in order to effectively manage these devices and enable them to cooperate more effectively to improve the use effect, a central control device is generally introduced into each classroom at present, and the central control device will communicate with each electronic device connections for coordinated control of these electronic devices. Through the central control device, the user can conveniently switch and control various electronic devices.

However, there are also some problems in the use of these central control devices. For example, due to the rush of class and class time, it often happens that users only turn off the main electronic devices (such as projectors, etc.) and then leave without closing them. The central control equipment makes the central control equipment work for a long time, which seriously wastes electric energy. On the other hand, before class, other electronic devices need to be activated after the central control device needs to be activated, so it takes a long time to prepare before class.

On the other hand, with the popularity of the Internet and wireless communication technology, the central control equipment is gradually equipped with networking functions, and its networking capabilities have been greatly improved. The central control equipment is more intelligently controlled to solve the above problems.

Contents of the invention

The purpose of the utility model is to avoid the shortcomings of the above-mentioned prior art and provide a WIFI-based intelligent central control device that can effectively improve the intelligence of the central control device, thereby making it convenient for users to control the central control device through the Internet.

The purpose of this utility model is achieved through the following technical solutions:

An intelligent central control device based on a WIFI network is provided, including a main control circuit, a lighting control circuit, a multimedia control circuit, a projector control circuit and a WIFI communication circuit, the lighting control circuit, the multimedia control circuit, the projector control circuit and The WIFI communication circuit is respectively connected with the main control circuit, and also includes a sensing detection circuit, the sensing detection circuit includes at least a sound sensor and/or an infrared sensor, the main control circuit includes a timer, and the sound sensor detects The timer is triggered when the ambient sound value is lower than the preset sound threshold and/or the infrared sensor detects that the ambient infrared value is lower than the preset infrared threshold, and when the timer ends, the main control circuit generates The shutdown request signal is sent out through the WIFI communication circuit, and the main control circuit executes the shutdown instruction when receiving the shutdown confirmation instruction through the WIFI communication circuit.

Wherein, the intelligent central control device further includes a shutdown reminder indicator light connected to the main control circuit, and when the main control circuit generates a shutdown request signal, the main control circuit drives the shutdown reminder indicator light.

Wherein, the intelligent central control device also includes a standby circuit, the standby circuit is in the working state when the main control circuit stops working and supplies power to the WIFI communication circuit, and starts the WIFI communication circuit when the WIFI communication circuit receives a power-on command. Describe the main control circuit.

Wherein, the sensor module further includes a light intensity sensor for real-time monitoring of ambient light intensity, and the main control circuit adjusts the signal output to the lighting control circuit according to the light intensity signal detected by the light intensity sensor.

Wherein, the multimedia control circuit includes an audio transceiving control circuit and a video receiving circuit.

Wherein, the intelligent central control device also includes an infrared control circuit. On the one hand, the infrared control circuit converts the received infrared signal to the main control circuit, and on the other hand, converts the signal transmitted from the main control circuit to the infrared control circuit into Infrared signal and send out.

Wherein, the lighting control circuit, the multimedia control circuit and the projector control circuit are connected with the main control circuit through serial communication.

Wherein, the main control circuit is realized based on a 51 single-chip microcomputer.

Wherein, the intelligent central control device further includes a fingerprint recognition circuit connected to the main control circuit.

Beneficial effects of the utility model: the utility model provides a WIFI-based intelligent central control device, which communicates with the outside world through a WIFI communication circuit on the one hand, and has a sound sensor and/or an infrared sensor on the other hand, When the sound sensor detects that the ambient sound value is lower than the preset sound threshold and/or the infrared sensor detects that the ambient infrared value is lower than the preset infrared threshold, it means that there may be no people in the classroom at this time, and the central control device does not It does not need to be turned on, so the timer of the main control circuit is triggered for timing (if the ambient sound value is higher than the preset sound threshold and/or the infrared sensor detects that the ambient infrared value is higher than the preset infrared threshold during the timing, the timing is terminated), When the timer timing ends, it can be considered that there is a high possibility that there may be no personnel in the classroom at this time, and the main control circuit generates a shutdown request signal and sends the shutdown request signal through the WIFI network, such as sending Send it to the monitoring room, or push it to the user's mobile terminal through the mobile network, so that the user can know the status of the central control device in time, and at the same time, the central control device can be automatically shut down by replying to the shutdown request signal to issue a shutdown command to avoid omissions Shutdown problem.

Description of drawings

Utilize accompanying drawing to further illustrate the utility model, but the embodiment in the accompanying drawing does not constitute any restriction to the utility model, for those of ordinary skill in the art, under the premise of not paying creative work, also can obtain according to following accompanying drawing Additional drawings.

Fig. 1 is a schematic structural diagram of an intelligent central control device based on a WIFI network of the present invention.

Detailed ways

The utility model is further described in conjunction with the following examples.

A specific implementation of the utility model based on a WIFI network intelligent central control device, as shown in Figure 1, includes: a main control circuit 1, a lighting control circuit 2, a multimedia control circuit 3, a projector control circuit 4, and a fingerprint recognition circuit 5 and WIFI communication circuit 6, the lighting control circuit 2, multimedia control circuit 3, projector control circuit 4, fingerprint identification circuit 5 and WIFI communication circuit 6 are respectively connected to the main control circuit 1, wherein the multimedia control circuit The circuit 3 includes an audio transceiving control circuit and a video receiving circuit. The lighting control circuit 2 , multimedia control circuit 3 and projector control circuit 4 are connected to the main control circuit 1 through serial communication. The fingerprint identification circuit 5 can authenticate the user to prevent the central control device from being turned on/off arbitrarily; wherein, the main control circuit 1 is implemented based on a 51 single-chip microcomputer.

The central control device also includes a sensor detection circuit 7, the sensor detection circuit 7 at least includes a sound sensor and/or an infrared sensor, the main control circuit 1 includes a timer, and the sound sensor detects that the ambient sound value is lower than When the preset sound threshold and/or the infrared sensor detects that the ambient infrared value is lower than the preset infrared threshold, the timer is triggered, and when the timer is over, the main control circuit 1 generates a shutdown request signal and The shutdown request signal is sent out through the WIFI communication circuit 6 , and the main control circuit 1 executes the shutdown instruction when receiving the shutdown confirmation instruction via the WIFI communication circuit 6 .

On the one hand, the above-mentioned central control device communicates with the outside world through the WIFI communication circuit 6, and on the other hand, it also has a sound sensor and/or an infrared sensor. When the sound sensor detects that the ambient sound value is lower than the preset sound threshold and/or the When the infrared sensor detects that the ambient infrared value is lower than the preset infrared threshold, it means that there may be no people in the classroom at this time, and the central control equipment does not need to be turned on. Therefore, the timer of the main control circuit 1 is driven to time (if the environment If the sound value is higher than the preset sound threshold and/or the infrared sensor detects that the ambient infrared value is higher than the preset infrared threshold, the timing will be terminated), when the timer ends, it can be considered that there may be no personnel present in the classroom at this time The possibility is very high, the main control circuit 1 generates a shutdown request signal and sends the shutdown request signal through the WIFI network, for example, to the monitoring room, or pushed to the user’s mobile terminal through the mobile network, so that the user can Know the state of the central control device in time, and at the same time, send a shutdown command to make the central control device automatically shut down by replying to the shutdown request signal, so as to avoid the problem of missing shutdown.

In addition, the central control device also includes a shutdown reminder indicator light 8 connected to the main control circuit 1 , and the main control circuit 1 drives the shutdown reminder indicator light 8 when the main control circuit 1 generates a shutdown request signal. Therefore, the central control device will issue a shutdown prompt before it is ready to execute the shutdown command. At this time, if there are personnel present at the scene, it can understand the situation in time and operate according to the situation, avoiding accidental shutdown.

Further, the central control device also includes a standby circuit 9, the standby circuit 9 is in the working state when the main control circuit 1 stops working and supplies power to the WIFI communication circuit 6, and when the WIFI communication circuit 6 receives The main control circuit 1 is started when a power-on command is issued. When the user is going to use a certain central control device, he can send an instruction through the Internet to start it up, and it is not necessary for the user to go to the scene to start it up, which is convenient for the user to use the central control device more intelligently. At the same time, there is no need for the central control equipment to be in a standby state for a long time, which avoids excessive power loss.

The sensor module also includes a light intensity sensor for real-time monitoring of ambient light intensity, and the main control circuit 1 adjusts the signal output to the light control circuit 2 according to the light intensity signal detected by the light intensity sensor. In this way, the lighting control effect of the scene can be improved.

The central control device also includes an infrared control circuit 10. On the one hand, the infrared control circuit 10 converts the received infrared signal and transmits it to the main control circuit 1; Convert to infrared signal and send out. In this way, the device can centrally process the infrared control process of each electronic device, and realize one controller to control all electronic devices.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than limiting the protection scope of the present utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art Personnel should understand that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model.

Claims (9)

1. the intelligent control device based on WIFI network, comprise main control circuit, lighting control circuit, multimedia control circuit, projector control circuit and WIFI communication circuit, described lighting control circuit, multimedia control circuit, projector control circuit is connected with described main control circuit respectively with WIFI communication circuit, it is characterized in that: also comprise sensing detection circuit, described sensing detection circuit at least comprises sound transducer and/or infrared sensor, described main control circuit comprises timer, described sound transducer detects lower than preset sound threshold value and/or described infrared sensor, ambient sound value detects that the infrared value of environment is lower than when triggering described timer during default infrared threshold, at the end of when described timer, described main control circuit is generated shutdown request signal and is outwards sent by WIFI communication circuit by this shutdown request signal, described main control circuit then performs shutdown command when receiving shutdown via WIFI communication circuit and confirming instruction.

2. a kind of intelligent control device based on WIFI network as claimed in claim 1, it is characterized in that: also comprise the shutdown be connected with described main control circuit and remind pilot lamp, when main control circuit generates shutdown request signal, main control circuit drives described shutdown to remind pilot lamp.

3. a kind of intelligent control device based on WIFI network as claimed in claim 1, it is characterized in that: also comprise stand-by circuit, described stand-by circuit is in running order and power to described WIFI communication circuit when main control circuit quits work, and starts described main control circuit when described WIFI communication circuit receives start-up command.

4. a kind of intelligent control device based on WIFI network as claimed in claim 1, it is characterized in that: described sensor assembly also comprises the light intensity sensor of Real-Time Monitoring environmental light intensity, the light intensity signal adjustment that described main control circuit detects according to described light intensity sensor exports the signal of lighting control circuit.

5. a kind of intelligent control device based on WIFI network as claimed in claim 1, is characterized in that: described multimedia control circuit comprises audio frequency transmitting-receiving control circuit and video reception circuit.

6. a kind of intelligent control device based on WIFI network as claimed in claim 1, it is characterized in that: also comprise infrared control circuit, described infrared control circuit is sent to main control circuit after the infrared signal received being changed on the one hand, and the signal on the other hand main control circuit being sent to infrared control circuit is converted to infrared signal and sends.

7. a kind of intelligent control device based on WIFI network as claimed in claim 1, is characterized in that: described lighting control circuit, multimedia control circuit are connected with main control circuit by serial communication mode with projector control circuit.

8. a kind of intelligent control device based on WIFI network as claimed in claim 1, is characterized in that: described main control circuit is based on 51 chip microcontroller.

9. a kind of intelligent control device based on WIFI network as claimed in claim 1, is characterized in that: also comprise the fingerprint recognition circuit be connected with described main control circuit.