TWI608444B - Indoor intercom of entrance intercom system - Google Patents

Description

Indoor walkie-talkie for access control management

The invention relates to an indoor walkie-talkie, in particular to an indoor walkie-talkie applied to an access control management system, which provides a full range of access control management, home security and home digitalization functions through various built-in communication modules.

With the rapid development of industry and commerce, a large number of people are moving to the cities, resulting in a denser population in the metropolitan area. In the case of limited land resources, high-rise buildings have replaced traditional single-family buildings, making a variety of apartment buildings and community buildings the norm of urban architecture.

In these community houses and high-rise buildings, door-to-door intercoms are generally installed outside the gates, and indoor walkie-talkies are installed in each household's home to facilitate visitors to communicate with the residents through the door intercom. After the resident confirms the identity of the visitor, the door can be opened by the button on the indoor walkie-talkie to allow the visitor to enter.

The common indoor walkie-talkies are almost all wall-mounted and are fixedly suspended from the wall next to the door of the household. When the resident hears the doorbell, they need to move to the door to answer the intercom and talk to the visitors outside the community gate.

However, with the development and advancement of communication technology at the application level, the new generation of access control management system also allows residents to communicate with their homes through wall-mounted intercoms. The door or the walkie-talkie outside the community door is connected, and through its personal communication device, it can talk to visitors outside the community gate, and even through its personal communication device to control the opening or closing of the community door.

In a common design, the household can use its personal computer, PDA or mobile phone to replace the function of the indoor walkie-talkie, and directly establish a connection with the door walkie-talkie outside the gate. In other words, when the resident temporarily goes out or is inconvenient to answer the indoor walkie-talkie, the access control management system can be set up so that the visitors outside the gate can communicate with the household by directly connecting the computer, PDA or mobile phone of the household through the door intercom. .

Although through the foregoing design, the personal communication device of the household end can be incorporated into the access control management system, and the operation mode of the household end is more diverse and more convenient, but after all, the personal communication device such as a computer, a PDA or a mobile phone has components thereof. The specifications or initial design were not intended to be used as indoor walkie-talkies. Therefore, at best, these communication devices can only provide auxiliary and standby functions, ensuring that visitors outside the gate can successfully communicate with the occupant, and it is difficult to provide more or more comprehensive access control functions.

In view of this, the creators of this case are based on years of experience in the manufacturing development and design of related products. After detailed design and careful evaluation, the creators of this case try to provide a new type of indoor walkie-talkie and access control management system through built-in integrated communication. The module provides full access control, home security and home digitalization.

The invention provides an access control management system, and provides an indoor walkie-talkie, which has built-in and integrated several communication modules, and can provide all-round access control management and home security protection. Protection and digital home features.

The present invention provides an indoor walkie-talkie applied to an access control management system in the access control management system of the first embodiment, comprising the following components: a processor; a storage module coupled to the processor for storing data and software; The touch screen is connected to the processor to provide the user to view images and text images; an operation module is connected to the processor to provide input instructions or messages to the household; and a mobile communication module is connected to the processor to provide the resident Telephone dial-up and call function; a WiFi wireless communication module connected to the processor for wireless communication with other electronic devices in the room or community; and an RF communication module connected to the processor, capable of interacting with the indoor or community Various safety monitoring devices perform wireless communication.

In a preferred embodiment, the indoor walkie-talkie further includes a PLC power transfer module connected to the processor and capable of generating a communication link with indoor or outdoor electrical equipment.

In a preferred embodiment, the indoor walkie-talkie further includes an EIA 485 communication module connected to the processor and can be connected to the security setting device in the indoor or community by wired connection.

In a preferred embodiment, the indoor walkie-talkie further includes a bidirectional rolling code frequency hopping RF codec, which is respectively connected to the processor and the RF communication module, and can be combined with the RF communication module to change the indoor walkie-talkie at any time. Security monitoring wireless channel between devices.

In the access control management system of the second embodiment of the present invention, another indoor walkie-talkie is provided, which includes the following components: a processor; a storage module coupled to the processor for storing data and software; and a touch The screen is connected to the processor to provide the user to view images and text images; an operation module is connected to the processor to provide input instructions or messages to the household; and a mobile communication module is connected to the processor to provide telephone dialing to the household. Connect and call function; a WiFi wireless communication The module is connected to the processor and can communicate wirelessly with other electronic devices in the room or in the community; and a PLC power transfer module is connected to the processor and can communicate with the indoor or outdoor electrical equipment.

Further understanding of the indoor walkie-talkie of the present invention can be obtained by the following detailed description and the accompanying drawings.

1,1’‧‧‧Intercom intercom

10‧‧‧ processor

100‧‧‧ Shell

101‧‧‧Antenna

11‧‧‧ Storage Module

12‧‧‧Touch screen

13‧‧‧Operating module

130‧‧‧Touch Human Machine Interface

132‧‧‧ button

14‧‧‧Mobile communication module

15‧‧‧WiFi wireless communication module

16‧‧‧RF communication module

17‧‧‧Two-way rolling code frequency hopping RF codec

18‧‧‧EIA 485 communication module

19‧‧‧PLC Power Transfer Module

2‧‧‧Public switched telephone network

20‧‧‧Mobile phones

21‧‧‧Intercom intercom

22‧‧‧Community gate

23‧‧‧ Doorway intercom

24‧‧‧Wall-mounted walkie-talkie

25‧‧‧Video Door Machine

26‧‧‧Interphone

3‧‧‧3G network

4‧‧‧ 生医电子装置

5‧‧‧Safety monitoring device

6‧‧‧Security setting device

7‧‧‧Electrical equipment

The first figure shows an access control management system provided in the first embodiment of the present invention, including the main components of an indoor walkie-talkie, and the connection relationship between the indoor walkie-talkie and other devices; the second figure shows the second aspect of the present invention. An access control management system is provided in the embodiment, comprising the main constituent elements of an indoor walkie-talkie and the connection relationship between the indoor walkie-talkie and other devices; and the third figure shows the front appearance of the indoor walkie-talkie provided by the present invention.

The invention provides an access control management system and an indoor walkie-talkie applied to the access control management system. The interior walkie-talkie looks like a digital photo frame or tablet, and integrates several communication modules. It provides full access control, home security and digital home. A detailed description of the present invention is as follows.

Please refer to the first figure, which shows an access control management system provided in the first embodiment of the present invention. This access control management system includes an indoor walkie-talkie 1 and a matching intercom Related equipment and equipment for operation. The figure also shows the main components of the indoor walkie-talkie 1, and the connection relationship between the indoor walkie-talkie 1 and other devices or devices.

In the first embodiment, the main components of the indoor walkie-talkie 1 include a processor 10, a storage module 11, a touch screen 12, an operation module 13, a mobile communication module 14, and a WiFi wireless device. The communication module 15 and an RF communication module 16.

The storage module 11 is coupled to the processor 10 for storing data and software required for the operation of the indoor walkie-talkie 1. The processor 10 can execute the related software stored in the storage module 11 according to the command input or preset by the occupant, and can also store the data processed or input by the outside world into the storage module 11 in the storage module 11. .

The touch screen 12 is coupled to the processor 10 to provide viewing images and text images on the household end. It can be selected from a liquid crystal display panel or a light emitting diode display panel and is combined with a touch panel. For example, the touch screen 12 can be made by selecting a liquid crystal display panel of size 7 画, pixel matrix 800×480, and 24-bit.

The operation module 13 is connected to the processor 10, and provides the household terminal to input an instruction or message to the indoor walkie-talkie 1 to control the indoor walkie-talkie 1 to perform related functions. The operation module 13 includes a touch human interface 130 and a plurality of buttons 132. The touch-type human-machine interface 130 can provide the household end directly on the touch screen 12 to select a function menu or input commands and messages. As for the button 132, it is a physical button that is made on the outer casing of the indoor walkie-talkie 1. Each of the buttons 132 has its corresponding operation function, and is used as a quick key to facilitate the user to quickly operate the indoor walkie-talkie 1.

The mobile communication module 14 is coupled to the processor 10 and can select a 2G communication module, a 2.5G communication module, a 3G communication module, an analog communication module, or any combination thereof. among them, 2G communication modules can choose GSM, CDMA1 (IS-95) or PHS standards, 2.5G communication modules can choose GPRS, EDGE or CDMA2000 (IS-2000) standards, 3G communication modules can choose CDMA2000 (IS- 856), WCDMA or TD-SCDMA standards.

Since the mobile communication module 14 has the mobile phone number provided by the operator, the indoor walkie-talkie 1 also has the dialing and calling function of the mobile phone, and can provide the telephone dialing and talking of the household. In addition to the telephone dialing call made by the indoor walkie-talkie 1, the resident can also answer the incoming calls. In other words, the indoor walkie-talkie 1 of the present invention has the functions of the current smart phone, and can completely replace the indoor phone that is traditionally connected by a physical telephone line. The occupant can dial the foregoing operation module 13 to connect the mobile communication module 14 to another mobile phone 20 via a public switched telephone network (PSTN) 2 or to connect the indoor walkie-talkie 21 in other community households. Of course, the indoor walkie-talkie 1 can also receive incoming calls made by other mobile phones 20 or other community residents, via the public switched telephone network 2.

In an embodiment, the door intercom 23 disposed outside the community gate 22 can also be configured to have a mobile phone number, so that the visitor can also dial the intercom at the door directly through the door intercom 23, and The household gets in touch.

In addition to the function of dialing through the mobile phone number of the indoor walkie-talkie 1, the mobile communication module 14 can directly communicate with the aforementioned mobile phone 20, the indoor intercom 21 of other households, and the community gate 22 through the 3G network 3. The door intercom 23 conducts a communication dialogue.

If the walkie-talkie 23 installed at the door 22 of the community has a video function, the resident terminal can also directly recognize the identity of the visitor through the touch screen 12 of the indoor walkie-talkie 1. Once the occupant confirms the identity of the visitor, the module 13 can be directly operated, and the door opener command is transmitted by the intercom 1 to open the community gate 22.

In addition, when living outdoors, you can also use the personal mobile phone to directly dial the mobile phone number of the door intercom 23 and input the set password to open the community gate 22.

Although the indoor walkie-talkie 1 provided by the present invention communicates with other access control management devices or electronic devices mainly through wireless connection, and can completely replace the wall-mounted walkie-talkie that is conventionally fixed on an indoor wall. However, the indoor walkie-talkie 1 can also communicate with other access control devices in the room or community by means of a wired connection. For example, it can be connected by wire connection to the existing wall-mounted walkie-talkie 24 in the house, the video door machine 25 located outside the door of the resident, and the traditional door-to-door walkie-talkie 26 located outside the community gate.

Since the indoor walkie-talkie 1 of the present invention has the functions of a smart phone and a tablet computer, the only function of answering and controlling the door opening compared with the traditional wall-mounted walkie-talkie can provide more operation functions at the household end. . Through the application and setting of the software, a speed dialing interface can be displayed on the touch screen 12, so that the household can quickly query the telephone numbers of the community households, relatives and friends, emergency contact lists, and the like, or Provide the household directly to enter the phone number for dialing the phone.

In addition, through the application and setting of the software, the indoor walkie-talkie 1 can perform the function of automatically transferring the mobile phone of the household or starting the voice answering machine when no one answers. Of course, it is also possible to set a function of starting communication recording when the indoor walkie-talkie 1 talks with other people on the household side. In other words, when the visitor is outside the community gate 22, when the walkie-talkie 23 is connected to the indoor walkie-talkie 1 of the household through the doorway, if the household end is not answered, the indoor walkie-talkie 1 will automatically transfer, and the call will be transferred to the mobile phone set by the household end. .

The WiFi wireless communication module 15 is connected to the processor 10 and provides an indoor walkie-talkie 1 to perform short-range wireless communication with other electronic devices in the room or in the community. For example, through The software setting of the indoor walkie-talkie 1 causes the indoor walkie-talkie 1 to wirelessly connect with the biomedical electronic device 4 such as a blood pressure machine, a blood glucose machine, a respirator, and a thermometer through the WiFi wireless communication module 15. In this way, when the household end operates the biomedical electronic device 4 at home, the measured parameters such as ECG data, blood pressure, blood oxygen saturation, respiration, pulse and body temperature are automatically transmitted to the indoor walkie-talkie. In 1st, collect the green and monitor. Moreover, the indoor walkie-talkie 1 can also activate the function of abnormal prompt or emergency notification as the household end is set in advance.

The RF communication module 16 is coupled to the processor 10 and provides an indoor walkie-talkie 1 for performing short-range wireless communication with other security monitoring devices 5 in the room or in the community. For example, through the software setting of the indoor walkie-talkie 1, the indoor walkie-talkie 1 can pass through the RF communication module 16, and such as an infrared detector, a door and window reed sensor, a roll door detector, a gas detector, and smoke detection. The security monitoring device 5, such as an emergency button, generates a wireless connection to form a protective net for wireless security monitoring.

In addition to the above-mentioned main components, in an embodiment, the indoor intercom 1 further includes a bidirectional rolling code frequency hopping RF codec 17, which is connected to the processor 10 and the RF communication module 16, and can be combined with the RF communication module 16. The wireless channel between the indoor walkie-talkie 1 and various security monitoring devices 5 can be changed at any time to reduce the chance of being attacked by a person or a thief, and improve the two-way communication security and reliability between the indoor walkie-talkie 1 and each safety monitoring device 5. Once the indoor walkie-talkie 1 receives the signal triggered by the safety monitoring device 5 such as the infrared detector, the door and window reed sensor, the iron door detector, the gas detector, the smoke detector and the emergency button, The use of the rolling code frequency hopping RF codec 17 and the RF communication module 16 ensures that the indoor walkie-talkie 1 can receive the transmitted trigger signal without causing signal interference or loss of loss.

In addition, through the software setting of the indoor walkie-talkie 1, when the trigger signal occurs, the indoor walkie-talkie 1 automatically dials a voice alarm or notifies the community guard or security personnel. and Moreover, the indoor walkie-talkie 1 will also notify the resident by the form of a mobile phone newsletter. Moreover, the household terminal can also dial the indoor walkie-talkie 1 with a personal mobile phone, and input a password, and set or cancel the security function of the safety monitoring device 5 via the indoor walkie-talkie 1.

In a preferred embodiment, the intercom 1 further includes an EIA 485 communication module 18 coupled to the processor 10 to provide an indoor intercom 1 in a wired connection to the security setting device 6 in the room or community. For example, the intercom 1 can be connected to the security setting device 6 such as a security card setting machine via the EIA 485 communication module 18. In a preferred embodiment, the security card setting machine herein has a radio frequency identification (RFID) technology, which allows the occupant to identify the card in a swipe mode, and protects and disarms the security device.

In a preferred embodiment, the indoor walkie-talkie 1 further includes a PLC power transfer module 19 connected to the processor 10 to provide a way for the indoor walkie-talkie 1 to be connected through a power line, plus the application of power communication technology, and indoor or The outdoor electrical equipment 7 is connected by communication. The above-mentioned power communication technology can further be combined with digital power measurement technology. In this way, the indoor walkie-talkie 1 can perform power measurement through the socket through the software setting, and collect the power information of each electrical device 7, such as voltage, current, power, electric energy, power factor, frequency, etc., to provide Household electricity management and control purposes. That is, the instant collection of power information through the outlet provides the tenants with detailed information on the power consumption of the outlet and related electricity charges.

In addition, through the PLC power transfer module 19, the indoor walkie-talkie 1 can further control all the power switches of the household terminal, and start various system or electrical product operations according to the schedule timing. Moreover, when the power measurement finds abnormal power, the indoor walkie-talkie 1 immediately issues an alert notification. Through this design, the indoor walkie-talkie 1 can effectively monitor, manage, and regulate electrical equipment including lighting fixtures, air conditioners, refrigerators, washing machines, dehumidifiers, and water tower motors. E.g, Residents can adjust the heating control of the water heater through the indoor walkie-talkie 1 and check its temperature, detect the water level information of the water tower at any time, control the pumping motor, control and adjust the light intensity of each lamp, and so on.

Please refer to the second figure, which shows an access control management system provided in the second embodiment of the present invention. The access control management system includes an indoor walkie-talkie 1' and related devices and equipment for operating the intercom. The figure also shows the main components of the indoor walkie-talkie 1' and the connection relationship between the indoor walkie-talkie 1' and other devices or devices.

In the second embodiment, the main components of the indoor walkie-talkie 1' include a processor 10, a storage module 11, a touch screen 12, an operation module 13, a mobile communication module 14, and a WiFi. The wireless communication module 15 and a PLC power transfer module 19 are provided. In other words, the main components of the indoor walkie-talkie 1' in the second embodiment include the PLC power transfer module 19 as compared with the design of the first embodiment described above. As for the RF communication module 16, in the second embodiment, it is an optional component.

As described above, the storage module 11 is coupled to the processor 10 for storing data and software required for the operation of the intercom 1'. The processor 10 can execute the related software stored in the storage module 11 according to the command input or preset by the household terminal, and can also store the data processed or input by the outside world into the indoor walkie-talkie 1' in the storage module. 11 in. The touch screen 12 is connected to the processor 10 to provide a resident image or a text screen, and allows the occupant to input a command or message by touching the touch screen 12 through a touch point.

The operation module 13 is coupled to the processor 10 and provides a household-to-indoor intercom 1' input command or message to control the intercom 1' to perform related functions. The operation module 13 includes a touch human interface 130 and a plurality of buttons 132. The touch-type human-machine interface 130 can provide the user terminal to select a function menu by directly clicking on the surface of the touch screen 12 or Enter commands and messages. As for the button 132, it is a physical button that is made on the casing of the indoor walkie-talkie 1'. These buttons 132 have their corresponding specific functions, and are used as quick keys to facilitate the user to quickly operate the indoor walkie-talkie 1'.

The mobile communication module 14 is coupled to the processor 10 and can select a 2G communication module, a 2.5G communication module, a 3G communication module, an analog communication module, or any combination thereof. The mobile communication module 14 has a mobile phone door number, and can provide a telephone dialing and calling function of the household telephone, so that the indoor walkie-talkie 1' has the dialing and calling function of the mobile phone, and also has the function of the smart phone to execute a plurality of application software. And can completely replace the traditional indoor phone. The mobile communication module 14 can connect to other mobile phones 20 or to the indoor intercom 21 in other community households via the Public Switched Telephone Network (PSTN) 2. When the door intercom 23 outside the community gate 22 also has a mobile phone number, the visitor can also dial the intercom between the door intercom and the intercom at the door of the intercom. Similarly, the mobile communication module 14 can directly communicate with the mobile phone 20, the indoor intercom 21 of other households, and the door intercom 23 through the 3G network 3.

The indoor walkie-talkie 1' in this embodiment can also communicate with other access control management devices in the room or community in a wired connection. For example, through a wired connection, the existing wall-mounted walkie-talkie 24 in the house, the video door machine 25 located outside the door of the resident, and the conventional door intercom 26 located outside the community gate are connected.

The WiFi wireless communication module 15 is connected to the processor 10 and provides the indoor walkie-talkie 1' with a short distance wireless communication with other electronic devices in the room or in the community. For example, the indoor walkie-talkie 1' can be wirelessly connected to the biomedical electronic device 4 such as a blood pressure machine, a blood glucose machine, a respirator, and a thermometer by the WiFi wireless communication module 15 through the software setting of the indoor walkie-talkie 1'.

As the main component of the indoor walkie-talkie 1' in the second embodiment, PLC power transmission The carrier module 19 is connected to the processor 10 for providing a way for the indoor intercom 1' to be connected via a power line to communicate with the indoor or outdoor electrical equipment 7. Thereby, the indoor walkie-talkie 1' can be set through the software, the power measurement program is performed via the socket, the power consumption information of each electrical equipment 7 is collected, and all the power switches of the household end can be further controlled, and various systems or appliances can be started according to the schedule timing. Product operation. When the power measurement finds abnormal power, the indoor walkie-talkie 1' will immediately issue an alert notification.

Although in the second embodiment, the main components of the indoor walkie-talkie 1' do not include the RF communication module, as an optional component, the RF communication module 16 can be selected to be placed according to the actual needs of the customer. Indoor walkie-talkie 1'. By connecting the RF communication module 16 to the processor 10, the indoor intercom 1' can be provided with a short distance wireless communication with other security monitoring devices 5 in the room or in the community. For example, through the software setting of the indoor walkie-talkie 1', the indoor walkie-talkie 1' can pass through the RF communication module 16, and such as an infrared detector, a door and window reed sensor, a roll door detector, a gas detector, The smoke detector and the safety monitoring device 5 such as the emergency button generate a wireless connection to form a protective net for wireless security monitoring.

Of course, in order to reduce the mutual communication between the RF communication module 16 and the safety monitoring device 5, a two-way rolling code frequency hopping RF code coder 17 can be introduced in the indoor intercom 1' to connect it to the processor 10 and the RF. The communication module 16 can change the wireless channel between the indoor walkie-talkie 1' and the various security monitoring devices 5 at any time.

In addition, in an embodiment, the intercom 1' can also selectively introduce an EIA 485 communication module 18, which is connected to the processor 10, and provides the indoor intercom 1' in a wired connection to the indoor or community. The setting device 6 is secured. For example, the intercom 1' can be connected to the security setting device 6 such as a security card setting machine via the EIA 485 communication module 18. In a comparison In the preferred embodiment, the security card setting machine herein has a radio frequency identification (RFID) technology, and allows the household end to perform identity recognition by means of a card swipe, and the security control device is protected and set.

Referring to the third figure, this figure shows the front appearance of the indoor walkie-talkie 1 provided by the present invention. The indoor walkie-talkie 1 has a shape similar to a digital photo frame or a tablet computer and has a casing 100. And a rectangular opening is formed on the surface of the outer casing 100, and the touch screen 12 is embedded therein. On the outer casing 100 on the lower side of the touch screen 12, a plurality of buttons 132 are provided for use as quick keys. An antenna 101 is disposed on the left side wall of the outer casing 100 for receiving various wireless signals. The indoor walkie-talkie 1 can be placed on a charging base that is used together and placed on a table in the living room as a digital photo frame. Since the indoor walkie-talkie 1 is portable like a tablet computer, the resident can also take the indoor walkie-talkie 1 to the room or balcony.

Compared with the wall-mounted walkie-talkie fixed on the indoor wall, the indoor walkie-talkie provided by the present invention has portability, so the household end is not required to be restrained by the position of the wall-mounted walkie-talkie. Use anywhere in the home.

At present, the common access control management system allows the resident to use the communication device such as a computer, PDA or mobile phone to generate the function of the indoor walkie-talkie. However, in practice, it can only provide auxiliary and standby functions to help visitors to communicate smoothly with the occupants. Compared with this, the indoor walkie-talkie provided by the present invention integrates several kinds of network platforms, so that it can provide all-round access control, home security protection and digital home-based functions for the situation of home life.

The present invention has been described above by way of a preferred example, but it is not intended to limit the spirit and the inventive entity of the present invention. Modifications made without departing from the spirit and scope of the invention are intended to be included within the scope of the appended claims.

1‧‧‧Indoor walkie-talkie

10‧‧‧ processor

11‧‧‧ Storage Module

12‧‧‧Touch screen

13‧‧‧Operating module

130‧‧‧Touch Human Machine Interface

132‧‧‧ button

14‧‧‧Mobile communication module

15‧‧‧WiFi wireless communication module

16‧‧‧RF communication module

17‧‧‧Two-way rolling code frequency hopping RF codec

18‧‧‧EIA 485 communication module

19‧‧‧PLC Power Transfer Module

2‧‧‧Public switched telephone network

20‧‧‧Mobile phones

21‧‧‧Intercom intercom

22‧‧‧Community gate

23‧‧‧ Doorway intercom

24‧‧‧Wall-mounted walkie-talkie

25‧‧‧Video Door Machine

26‧‧‧ Doorway intercom

3‧‧‧3G network

4‧‧‧ 生医电子装置

5‧‧‧Safety monitoring device

6‧‧‧Security setting device

7‧‧‧Electrical equipment

Claims (10)

An indoor walkie-talkie for use in access control includes: a casing having a rectangular opening on the surface; a processor; a storage module coupled to the processor for storing data and software; and a touch screen coupled to the The processor provides a viewing screen and a text screen of the household end, and the touch screen is embedded in the rectangular opening of the outer casing, so that the indoor walkie-talkie has the appearance of a digital photo frame or a tablet computer; and an operation module is coupled to the a processor, providing the user input instruction or message; a mobile communication module coupled to the processor, having a mobile phone number provided by a carrier, and having a dialing and calling function of the mobile phone, providing the household telephone dialing And a call function; a WiFi wireless communication module connected to the processor for wireless communication with other electronic devices in the room or in the community; and an RF communication module connected to the processor and capable of being indoors or in the community Various safety monitoring devices perform wireless communication. The indoor walkie-talkie described in claim 1 further includes a PLC power transfer module connected to the processor and capable of generating a communication link with indoor or outdoor electrical equipment. The indoor intercom as described in claim 1 of the patent application further includes an EIA 485 communication module connected to the processor and capable of being connected to the indoor or community security by means of a wired connection. Set the device. The indoor intercom as described in claim 1, wherein the mobile communication module can select a 2G communication module, a 2.5G communication module, a 3G communication module, an analog communication module, or any combination thereof. . The indoor intercom as described in claim 1 further includes a bidirectional rolling code frequency hopping RF code coder connected to the processor and the RF communication module, and can be transformed at any time in combination with the RF communication module. A wireless channel between the indoor walkie-talkie and the various security monitoring devices. An indoor walkie-talkie for use in access control includes: a processor; a storage module coupled to the processor for storing data and software; a casing having a rectangular opening on the surface; and a touch screen coupled to the The processor provides a viewing screen and a text screen of the household end, and the touch screen is embedded in the rectangular opening of the outer casing, so that the indoor walkie-talkie has the appearance of a digital photo frame or a tablet computer; and an operation module is coupled to the a processor, providing the user input instruction or message; a mobile communication module coupled to the processor, having a mobile phone number provided by a carrier, and having a dialing and calling function of the mobile phone, providing the household telephone dialing And a call function; a WiFi wireless communication module coupled to the processor for wireless communication with other electronic devices in the room or community; A PLC power transfer module is connected to the processor and can generate a communication link with indoor or outdoor electrical equipment. The indoor intercom as described in claim 6 further includes an EIA 485 communication module connected to the processor and capable of being connected to the security setting device in the room or the community by means of a wired connection. The indoor walkie-talkie as described in claim 6 further includes an RF communication module connected to the processor for wireless communication with various safety monitoring devices in the room or in the community. The indoor intercom as described in claim 8 further includes a bidirectional rolling code frequency hopping RF code coder connected to the processor and the RF communication module, and can be transformed at any time in combination with the RF communication module. A wireless channel between the indoor walkie-talkie and the various security monitoring devices. The indoor walkie-talkie according to claim 6, wherein the mobile communication module can select a 2G communication module, a 2.5G communication module, a 3G communication module, an analog communication module or any combination thereof. .