CN207603672U - A kind of intelligent gateway - Google Patents

Abstract

The embodiment of the utility model discloses an intelligent gateway. The intelligent gateway includes: a network interface, a protocol chip, a transformer and a processor, the first input end of the network interface is connected to the first output end of the power supply device, and the first output end of the network interface is connected to the first input end of the protocol chip; The first output end of the protocol chip is connected to the second input end of the network interface, and the second output end of the network interface is connected to the input end of the power supply device; the third input end of the network interface is connected to the second output end of the power supply, and the network interface The third output terminal of the protocol chip is connected with the second input terminal of the protocol chip; the second output terminal of the protocol chip is connected with the input terminal of the transformer, and the output terminal of the transformer is connected with the power supply terminal of the processor. The embodiment of the utility model adopts the above-mentioned technical solution to supply power to the smart gateway through the network interface, which can reduce the complexity of wiring in the smart home system and improve the stability of the power supply of the smart gateway.

Description

an intelligent gateway

technical field

The embodiment of the utility model relates to the field of smart home technology, in particular to an intelligent gateway.

Background technique

With the development of computer network and electronic technology, the concept of digital home has been gradually put into practical application, and smart home is one of the earliest technical fields put into application. As an intelligent device located between the networked information equipment and the intelligent broadband access network in the smart home system, the smart gateway is one of the commonly used protocol conversion devices in the smart home. It usually has two functions: smart home control hub and wireless router.

Existing smart gateways generally include a charging interface and a network interface, and are charged by connecting to a power adapter through the charging interface, and data transmission is performed through the network interface. In the process of realizing the utility model, the inventor found that: the smart gateway is often set one-to-one with the power adapter, and its service life is limited by the service life of the power adapter, and during its use, it needs to be set in the smart home system The matching power interface of the smart gateway adapter increases the complexity of wiring in the smart home system.

Utility model content

In view of this, the embodiment of the utility model provides an intelligent gateway to solve the technical problems in the prior art that the service life of the intelligent gateway is limited by the power adapter and the wiring of the intelligent home is relatively complicated.

The utility model provides an intelligent gateway, comprising: a network interface 10, a protocol chip 20, a transformer 30 and a processor 40, wherein,

The first input end of the network interface 10 is connected to the first output end of the power supply device 11 for outputting the detection signal, and the first output end of the network interface 10 for outputting the detection signal is connected to the first output end of the protocol chip 20. connected to the first input terminal;

The protocol chip 20 is used to output the power supply response signal obtained by converting the detection signal according to the power supply protocol. The first output terminal is connected to the second input terminal of the network interface 10, and the network interface 10 is used to output the The second output end of the power supply response signal is connected to the input end of the power supply device 11;

The third input end of the network interface 10 is connected to the second output end of the power supply device 11 for outputting a power supply signal if the power supply response signal is within the power supply threshold range, and the network interface 10 is used for outputting the The third output end of the power supply signal is connected to the second input end of the protocol chip 20;

The second output terminal of the protocol chip 20, which is used to output the first voltage signal obtained by converting the power supply signal according to the power supply protocol, is connected to the input terminal of the transformer 30, and the transformer 30 is used to output the first voltage signal converted from the first voltage signal. The output terminal of the second voltage signal after the voltage signal is stepped down is connected to the power supply terminal of the processor 40 .

The intelligent gateway provided by the embodiment of the utility model connects the first input end of the network interface with the output end of the power supply equipment, connects the first output end of the network interface with the input end of the protocol chip, and connects the output end of the protocol chip with the transformer Connect the input terminal of the transformer, connect the output terminal of the transformer with the first terminal of the processor, and ground the second terminal of the processor; send the detection signal input by the power supply equipment to the protocol core through the network interface, and send the response signal generated by the protocol chip Forward to the power supply equipment, and forward the power supply voltage of the power supply equipment to the protocol chip, generate a response signal according to the received detection signal through the protocol chip, send the response signal to the network interface, and jointly transmit the received signal to the network interface through the protocol chip and the transformer The power supply voltage is converted into the operating voltage of the processor, thereby supplying power to the processor. The embodiment of the utility model adopts the above-mentioned technical solution to supply power to the smart gateway through the network interface, which can reduce the complexity of wiring in the smart home system and improve the stability of the power supply of the smart gateway.

Description of drawings

Other characteristics, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

FIG. 1A is a schematic structural diagram of the first intelligent gateway provided by Embodiment 1 of the present invention;

FIG. 1B is a schematic structural diagram of a second intelligent gateway provided by Embodiment 1 of the present invention;

Fig. 1C is a schematic structural diagram of a third intelligent gateway provided by Embodiment 1 of the present invention;

FIG. 2A is a schematic structural diagram of an intelligent gateway provided in Embodiment 2 of the present invention;

FIG. 2B is a schematic structural diagram of another intelligent gateway provided by Embodiment 2 of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail. It can be understood that the specific embodiments described here are only used to explain the utility model, rather than limit the utility model. In addition, it should be noted that, for the convenience of description, only the part related to the present utility model is shown in the drawings but not the whole content.

Embodiment one

The embodiment of the utility model provides an intelligent gateway. FIG. 1A is a schematic structural diagram of an intelligent gateway provided by Embodiment 1 of the present invention. As shown in Figure 1A, the intelligent gateway includes: a network interface 10, a protocol chip 20, a transformer 30 and a processor 40, wherein,

The first input end of the network interface 10 is connected to the first output end of the power supply device 11 for outputting the detection signal, and the first output end of the network interface 10 for outputting the detection signal is connected to the first output end of the protocol chip 20. connected to the first input terminal;

The protocol chip 20 is used to output the power supply response signal obtained by converting the detection signal according to the power supply protocol. The first output terminal is connected to the second input terminal of the network interface 10, and the network interface 10 is used to output the The second output end of the power supply response signal is connected to the input end of the power supply device 11;

The third input end of the network interface 10 is connected to the second output end of the power supply device 11 for outputting a power supply signal if the power supply response signal is within the power supply threshold range, and the network interface 10 is used for outputting the The third output end of the power supply signal is connected to the second input end of the protocol chip 20;

The second output terminal of the protocol chip 20, which is used to output the first voltage signal obtained by converting the power supply signal according to the power supply protocol, is connected to the input terminal of the transformer 30, and the transformer 30 is used to output the first voltage signal converted from the first voltage signal. The output terminal of the second voltage signal after the voltage signal is stepped down is connected to the power supply terminal of the processor 40 .

In this embodiment, the network interface 10 can be connected to an active Ethernet (Power Over Ethernet, POE) switch or other POE power supply equipment through a network cable, thereby receiving the voltage provided from the POE switch or other power supply equipment; the network interface 10, protocol The models of chip 20, transformer 30 and processor 40 can be selected as required, for example, network interface 10 can be 100M standard POE network interface RJ45; The model of protocol chip 20 can be MCZ34670; Processor 40 can be central processing unit, microprocessor The processor or single-chip microcomputer is not limited here. Preferably, the processor 40 is a single-chip microcomputer, so as to reduce the complexity and cost of the intelligent gateway under the premise of ensuring the performance of the intelligent gateway. Wherein, the input voltage of the protocol chip 20 can be the same as the output voltage of the power supply device 11, the range of the input voltage of the protocol chip 20 can be 44V-57V, and its specific value can be determined according to actual needs, considering the applicable range of each voltage value, Preferably, the input voltage of the protocol chip 20 is 48V; the output voltage of the transformer 30 can be determined according to the operating voltage of the processor 40, optionally, the output voltage of the transformer 30 is 3.3V, and the protocol chip 20 will be referred to below as As an example, the input voltage of the transformer 30 is 48V and the output voltage of the transformer 30 is 3.3V.

Exemplarily, the process for the power supply device 11 to supply power to the processor 40 may be: the power supply device 11 generates a detection signal and sends the generated detection signal to the network interface 10; the network interface 10 forwards the detection signal sent by the power supply device 11 to the protocol chip 20; the protocol chip 20 generates a response signal according to the received detection signal, and sends the response signal to the power supply device 11 through the network interface 10; the power supply device 11 receives the response signal forwarded by the protocol chip 20 and judges the protocol chip according to the response signal Whether the electrical equipment corresponding to 20 meets the power supply standard, if so, provide the power supply voltage for the protocol chip 20 through the network interface 10, otherwise, return to the above-mentioned operation of generating the detection signal; when the electrical equipment corresponding to the protocol chip 20 meets the power supply standard , the protocol chip 20 receives the power supply voltage forwarded by the network interface 10 , and together with the transformer 30 converts the power supply voltage into the working voltage or rated voltage of the processor 40 , so as to provide power for the processor 40 . Wherein, the detection signal generated by the power supply device 11 may be a detection voltage, and the response signal generated by the protocol chip 20 may be a voltage or current signal or the like. In addition, it should be pointed out that before the power supply device 11 provides the power supply voltage for the protocol chip 20 through the network interface 10, it can also generate a classification voltage and control the power consumption device (processor 40) according to the change after the classification voltage is input to the protocol chip 20. ) to determine the corresponding supply voltage of the electrical equipment.

At this time, for example, the power supply device 11 may first send two voltages between 2.8V to 10V (the interval between the two voltages may be greater than or equal to 1V) to the protocol chip 20 through the network interface 10, and the protocol chip 20 returns The voltage or current determines the input characteristics of the protocol chip 20, and judges whether the input characteristics conform to the IEEE802.3af standard (such as 23.5kΩ<ΔV/ΔI<26.25kΩ, 0.05μF<CPD (input capacitance)<0.12μF, LPD (input capacitance) Inductance)<0.12μF, offset voltage less than 1.9V and offset current less than 10μA, etc.), if the input characteristics of the protocol chip 20 comply with the IEEE802.3af standard, a detection voltage between 15.5V and 20.5V can be further used to detect the power level of the processor 40; correspondingly, the processor 40 indicates the power supply power required by itself by absorbing a certain constant current; the power supply device 11 determines the power level of the processor 40 according to the magnitude of the constant current absorbed by the processor 40 , and provide the power supply (or supply voltage) corresponding to the power level to the network interface 10, so as to supply power to the processor 40 after voltage conversion by the protocol chip 20 and the transformer 30. During the power supply process, the power supply device 11 can also detect whether the processor 40 is disconnected through a DC disconnection detection method or an AC disconnection detection method, and stop supplying power to the processor 40 when the processor 40 is disconnected.

Figure 1B is a schematic structural diagram of another intelligent gateway provided by this embodiment. This solution is optimized on the basis of the above-mentioned solution. Further, as shown in Figure 1B, the intelligent gateway provided by this embodiment may also include a physical layer chip 50, wherein, the third input end of the network interface 10 is also used to connect with the output end of the data transmission port 12 of the smart home system for outputting the first data information, and the network interface 10 is used for outputting and connecting with the power supply The fourth output end of the first data information after signal separation is connected to the input end of the physical layer chip 50, and the output end of the physical layer chip 50 for outputting the first data information is connected to the processor 40 connected to the first input; the processor 40 sends the second data information in response to the first data information to the data transmission port of the smart home system through the physical layer chip 50 and the network interface 10 12 inputs.

Here, the model of the physical layer chip 50 can be determined according to needs, for example, the model of the physical layer chip 50 can be LAN8720A. Exemplarily, the network interface 10 can separate the electrical signal sent by the power supply device 11 from the first data information sent by the data transmission port 12 through its internal bridge rectifier circuit, and send the electrical signal sent by the power supply device 11 to the protocol chip 20 to provide power to the processor 40 after voltage conversion by the protocol chip 20 and the transformer 30; the separated first data information is sent to the processor 40 through the physical layer chip 50 so that the processor 40 performs subsequent processing on the data information, And receive the second data information of the processor 40 returned by the physical layer chip 50 , and send the second data information to the data transmission port 12 .

In the above solution, as shown in FIG. 1C, the transformer 30 may include a voltage controller 31 and a voltage regulator 32, wherein the input terminal of the voltage controller 31 is connected to the second output terminal of the protocol chip 20 , the output terminal of the voltage controller 31 for outputting an intermediate voltage signal with a peak voltage of 5V obtained after stepping down the first voltage signal is connected to the input terminal of the voltage stabilizer 32, and the voltage stabilizer 32 An output terminal for outputting a second voltage signal having a voltage value of 3.3V obtained by stepping down the intermediate voltage signal is connected to the power supply terminal of the processor 40 .

Wherein, the types and models of the voltage controller 31 and the voltage stabilizer 32 can be selected according to needs, and are not limited here. Preferably, the voltage controller 31 may be a heat exchange voltage controller, and the voltage regulator 32 may be a switching voltage regulator. For example, the voltage controller 31 may be an NXP heat-swap voltage controller, and the voltage regulator 32 may be a switching regulator (TLV62130RGT) of Texas Instruments (TI).

The intelligent gateway provided by Embodiment 1 of the utility model sends the detection signal input by the power supply device to the protocol core through the network interface, forwards the response signal generated by the protocol chip to the power supply device, and forwards the power supply voltage of the power supply device to the protocol chip, The protocol chip generates a response signal according to the received detection signal, sends the response signal to the network interface, and converts the received power supply voltage into the operating voltage of the processor through the protocol chip and the transformer to provide power for the processor. The embodiment of the utility model adopts the above technical solution to supply power to the smart gateway through the network interface, which can reduce the complexity of wiring in the smart home system, improve the stability of the power supply of the smart gateway, and improve the user experience.

Embodiment two

FIG. 2A is a schematic structural diagram of the intelligent gateway provided by this embodiment. This embodiment is optimized on the basis of the above embodiments, and the intelligent gateway provided by this embodiment further includes a radio frequency module 60, wherein,

The first input end of the radio frequency module 60 is connected to the output end of the processor 40 for outputting the first data information, and the first output end of the radio frequency module 60 for outputting the first data information is used for Connected to the input end of the smart device 13 in the smart home system;

The second input end of the radio frequency module 60 is used to connect with the output end of the smart device 13 in the smart home system for outputting the second data information in response to the first data information, and the radio frequency module 60 is used to output the The second output end of the second data information is connected to the second input end of the processor 40 .

Here, the signal sent and received by the radio frequency module 60 can be an electromagnetic wave signal with a frequency range between 300KHz and 30GHz, and its specific frequency can be set according to needs; the first data information can be an intelligent device generated by the processor 40 13 , the second data information may be information such as its own working status or energy consumption status returned by the smart device 13 .

In the above solution, as shown in FIG. 2B , the radio frequency module 60 includes a data sending unit 61 and a data receiving unit 62, wherein the input end of the data sending unit 61 and the processor 40 are used to output the first The output end of a data information is connected, and the output end of the data sending unit 61 for outputting the first data information is used to be connected with the input end of the smart device 13 in the smart home system; the input of the data receiving unit 62 The end is used to connect with the output end of the smart device 13 in the smart home system for outputting the second data information in response to the first data information, and the data receiving unit 62 is used to output the output end of the second data information It is connected with the second input end of the processor 40 .

In this embodiment, the processor 40 can be a Freescale single-chip microcomputer K60, and its operating system can be an MQX real-time operating system. After the smart gateway is powered on, the processor 40 can connect to the cloud management platform corresponding to the smart gateway through Ethernet to obtain relevant information required for device management in the smart home system, such as device ID number, device quantity, frequency point and/or scene and other information, and supervise the communication connection with the smart device 13 that needs to be managed.

Exemplarily, after being powered on, the data transmission port 12 can receive the user's control command (first data information) forwarded by the cloud management platform through the wide area network or the local area network and send the control command to the network interface 10 and the physical layer chip 50 successively. A processor 40, the processor 40 receives the first data information sent by the physical layer chip 50 and broadcasts the first data information through the data sending unit 61, so as to send the first data information to the corresponding smart device 13, wherein, The ID number of its corresponding smart device 13 or other identifications that can indicate the identity of its corresponding smart device can be included in the first data information; the processor 40 can receive the second data information sent by the smart device 13 through the data receiving unit 62 (such as working status information of the smart device 13, power information or water quantity information of the smart device 13, etc.), and send the second data information to the data transmission port 12 via the physical layer chip 50 and the network interface 10, and the data transmission port 12 transmits the data through a wired or The second data information is sent to the cloud management platform in a wireless manner, so that the user can obtain relevant information of the smart device 13 from the cloud management platform.

The smart gateway provided by the second embodiment of the utility model supplies power to the processor through the network interface, broadcasts the first data information sent by the processor through the radio frequency module and receives the second data information sent by the smart device, which can not only reduce the wiring in the smart home system The complexity of the smart gateway improves the stability of the power supply of the smart gateway; it can also improve the stability of the data transmission of the processor, ensure that the processor can transmit data with the smart device in a timely and rapid manner, reduce the time spent on data transmission, and improve the user's Use experience.

Note that the above are only preferred embodiments of the present invention and the applied technical principles. Those skilled in the art will understand that the utility model is not limited to the specific embodiments described here, and various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the utility model. Therefore, although the utility model has been described in detail through the above embodiments, the utility model is not limited to the above embodiments, and can also include more other equivalent embodiments without departing from the concept of the utility model. The scope of the present invention is determined by the appended claims.

Claims (9)

1. a kind of intelligent gateway, which is characterized in that including：Network interface (10), protocol chip (20), transformer (30) and processing Device (40), wherein,

The first input end of the network interface (10) is with power supply unit (11) for the first output terminal phase of output detection signal Even, the network interface (10) is defeated for exporting the first of the first output terminal and the protocol chip (20) of the detection signal Enter end to be connected；

The power supply response signal that the detection signal is converted to by the protocol chip (20) for output according to power supply agreement The first output terminal be connected with the second input terminal of the network interface (10), the network interface (10) is for exporting the confession The second output terminal of electroresponse signal is connected with the input terminal of the power supply unit (11)；

The third input terminal of the network interface (10) is being supplied with the power supply unit (11) for working as the power supply response signal The second output terminal that power supply signal is exported when in electric threshold range is connected, and the network interface (10) is described for telecommunications for exporting Number third output terminal be connected with the second input terminal of the protocol chip (20)；

The first voltage signal that the power supply signal is converted to by the protocol chip (20) for output according to power supply agreement Second output terminal be connected with the input terminal of the transformer (30), the transformer (30) is for exporting the first voltage The output terminal of second voltage signal after signal decompression is connected with the power end of the processor (40).

2. intelligent gateway according to claim 1, which is characterized in that physical chip (50) is further included, wherein,

The third input terminal of the network interface (10) is additionally operable to the data transmission port of intelligent domestic system (12) for defeated The output terminal for going out the first data information is connected, the network interface (10) for export detached with the power supply signal after described in 4th output terminal of the first data information is connected with the input terminal of the physical chip (50), and the physical chip (50) is used It is connected in the output terminal for exporting first data information with the first input end of the processor (40)；

The second data information for responding first data information is passed through the physical chip (50) by the processor (40) The input terminal of the data transmission port (12) of the intelligent domestic system is sent to the network interface (10).

3. intelligent gateway according to claim 1, which is characterized in that the second input terminal of the protocol chip (20) it is defeated Enter voltage for 48V, the output voltage of the output terminal of the transformer (30) is 3.3V.

4. intelligent gateway according to claim 3, which is characterized in that the transformer (30) includes voltage controller (31) With voltage-stablizer (32), wherein,

The input terminal of the voltage controller (31) is connected with the second output terminal of the protocol chip (20), the voltage control Device (31) will obtained voltage peak is 5V after first voltage signal decompression the output of intermediate voltage signal for exporting End is connected with the input terminal of the voltage-stablizer (32), and the voltage-stablizer (32) will be after intermediate voltage signal decompression for exporting Obtained voltage value is that the output terminal of the second voltage signal of 3.3V is connected with the power end of the processor (40).

5. intelligent gateway according to claim 4, which is characterized in that the voltage controller (31) is heat exchange voltage control Device processed.

6. intelligent gateway according to claim 4, which is characterized in that the voltage-stablizer (32) is switching regulator.

7. intelligent gateway according to claim 2, which is characterized in that the processor (40) is microcontroller.

8. intelligent gateway according to claim 2, which is characterized in that radio-frequency module (60) is further included, wherein,

The first input end of the radio-frequency module (60) is with the processor (40) for exporting the defeated of first data information Outlet is connected, and the radio-frequency module (60) is used for and smart home system for exporting the first output terminal of first data information The input terminal of smart machine (13) in system is connected；

Second input terminal of the radio-frequency module (60) is used for the smart machine (13) in intelligent domestic system for exporting sound The output terminal of the second data information of first data information is answered to be connected, the radio-frequency module (60) is for exporting described second The second output terminal of data information is connected with the second input terminal of the processor (40).

9. intelligent gateway according to claim 8, which is characterized in that the radio-frequency module (60) is including data transmission unit (61) and data receipt unit (62), wherein,

The input terminal of the data transmission unit (61) is with the processor (40) for exporting the defeated of first data information Outlet is connected, and the data transmission unit (61) is used for and smart home system for exporting the output terminal of first data information The input terminal of smart machine (13) in system is connected；

The input terminal of the data receipt unit (62) is used for the smart machine (13) in intelligent domestic system for exporting sound The output terminal of the second data information of first data information is answered to be connected, the data receipt unit (62) is described for exporting The output terminal of second data information is connected with the second input terminal of the processor (40).