Cascadable terminal intercom device

Abstract

The utility model discloses a cascading terminal intercom device, which comprises a plurality of first terminal devices and one or more power supply units, each first terminal device comprises a main control unit and a switch unit, and the main control unit is connected with the switch unit; wherein the switch unit is provided with connection ports, the connection ports comprise a power supply port and a non-power supply port, and the first terminal devices are connected through the connection ports to form a first connection mode, a second connection mode or a third connection mode; each power supply unit supplies power to all first terminal devices formed by connecting in series in a first connection mode so as to establish talkback communication; therefore, the switch is arranged in the terminal equipment, the terminal equipment is in cascade connection to form a plurality of groups, and each group adopts the corresponding power supply to supply power, so that the installation is simple, the cost is low, and stable power supply can be ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of building intercom, in particular to a cascadable terminal intercom device. Background Art

[0002] In the related art, there are many types of building intercom systems, but most of them are only suitable for general multi-story or high-rise residential buildings; although there are also access control systems for single-family houses, the number of indoor units allowed to be installed is generally very small. If you want to install multiple indoor units, you need to install a corresponding number of power supplies, and the door machine in the building intercom system needs to distribute the signal to each indoor extension through an independently installed Ethernet switch to achieve video intercom. In other words, each indoor extension needs to be wired to the Ethernet switch separately and then connected to the outdoor host, which leads to complicated wiring and high installation costs. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems in the above-mentioned technology to a certain extent. To this end, one purpose of the utility model is to provide a cascadeable terminal intercom device, by building a switch into a terminal device, cascading the terminal devices to form a plurality of groups, and using a corresponding power supply to supply power to each group, so that the installation is simple and the cost is low, and stable power supply can be ensured.

[0004] To achieve the above-mentioned purpose, the utility model proposes a cascadable terminal intercom device, comprising: a plurality of first terminal devices, each of the first terminal devices comprising a main control unit and a switch unit, the main control unit and the switch unit being connected; wherein the switch unit is provided with a connection port, the connection port comprising a power supply port and a non-power supply port, each of the first terminal devices being connected through the connection port to form a first connection mode, a second connection mode or a third connection mode; one or more power supply units, each of the power supply units supplying power to all the first terminal devices formed in series by the first connection mode, so as to establish intercom communication.

[0005] According to the cascaded terminal intercom device proposed by the utility model, it includes multiple first terminal devices and one or more power supply units, each first terminal device includes a main control unit and a switch unit, and the main control unit and the switch unit are connected; wherein the switch unit is provided with a connection port, the connection port includes a power supply port and a non-power supply port, each first terminal device is connected through the connection port to form a first connection mode, a second connection mode or a third connection mode; each power supply unit supplies power to all first terminal devices formed in series by the first connection mode so as to establish intercom communication; thus, by building the switch into the terminal device, cascading the terminal devices to form multiple groups, and using the corresponding power supply to supply power in each group, it is not only simple to install and low in cost, but also can ensure stable power supply.

[0006] In addition, the cascadable terminal intercom device proposed above according to the utility model may also have the following additional technical features:

[0007] Optionally, the first connection method is a connection method between power supply ports, the second connection method is a connection method between power supply ports and non-power supply ports, and the third connection method is a connection method between non-power supply ports and non-power supply ports.

[0008] Optionally, the cascadable terminal intercom apparatus further includes one or more second terminal units, each of which is connected to a power supply port of any one of the multiple first terminal devices via a power supply port.

[0009] Optionally, the cascadable terminal intercom apparatus further includes one or more third terminal units, each of the third terminal units being connected to a power supply port of any one of the multiple first terminal devices via a non-power supply port.

[0010] Optionally, the first terminal device is an indoor unit, which includes a first indoor unit, multiple second indoor units and multiple third indoor units, the first indoor unit includes a first power supply port and a first non-power supply port, the multiple second indoor units are connected in series through the power supply port, the multiple third indoor units are connected in series through the power supply port, the multiple second indoor units connected in series are connected to the first power supply port of the first indoor unit through the power supply port, and the multiple third indoor units connected in series are connected to the first non-power supply port of the first indoor unit through the non-power supply port.

[0011] Optionally, the first indoor unit also includes a second power supply port and a third power supply port, the second terminal device is an outdoor unit, the outdoor unit includes a first outdoor unit and a second outdoor unit, the first outdoor unit is connected to the second power supply port of the first indoor unit through a power supply port, and the second outdoor unit is connected to the third power supply port of the first indoor unit through a power supply port.

[0012] Optionally, the power supply unit includes a first power supply unit and a second power supply unit, the first power supply unit is connected to the first indoor unit, and the second power supply unit is connected to the plurality of third indoor units connected in series.

[0013] Optionally, the first indoor unit further includes a second non-power supply port, the third terminal device is a camera, and the camera is connected to the second non-power supply port via the non-power supply port.

[0014] Optionally, the main control unit is connected to the switch unit via a management interface, and the switch unit obtains data information via the management interface so as to establish a communication connection according to the data information.

[0015] Optionally, the management interface is an MDIO interface. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the topological structure of a cascadable terminal intercom device according to an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of an interface connection of a power supply circuit in a first connection mode according to an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of an interface connection of a power supply circuit according to a second connection mode of an embodiment of the utility model;

[0019] Figure 4 This is a schematic diagram of an interface connection of a power supply circuit according to a third connection mode of an embodiment of the utility model;

[0020] Figure 5 A schematic diagram of a cascade topology structure of a cascadeable terminal intercom device according to an embodiment of the utility model;

[0021] Figure 6 The figure is a schematic diagram of a cascade topology structure of an indoor unit according to an embodiment of the utility model. DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0023] In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0024] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0025] refer to Figure 1 As shown, the cascadable terminal intercom device proposed in the embodiment of the utility model includes a first terminal device 10 and a power supply unit 20.

[0026] Among them, there are multiple first terminal devices 10; each first terminal device 10 includes a main control unit 101 and a switch unit 102, and the main control unit 101 and the switch unit 102 are connected; the switch unit 102 is provided with a connection port, and the connection port includes a power supply port and a non-power supply port. Each first terminal device 10 is connected through the connection port to form a first connection mode, a second connection mode or a third connection mode; there are one or more power supply units 20, and each power supply unit 20 supplies power to all first terminal devices 10 formed in series using the first connection mode so as to establish intercom communication.

[0027] It should be noted that all first terminal devices 10 connected in series using the first connection method are regarded as a group, and those connected in series using the second connection method or the third connection method are equivalent to isolation processing to form another group, and each group is powered by a power supply unit to avoid too many first terminal devices 10 connected in series, resulting in too long wires and insufficient power supply.

[0028] As an embodiment, the first connection method is a connection method between power supply ports, the second connection method is a connection method between power supply ports and non-power supply ports, and the third connection method is a connection method between non-power supply ports and non-power supply ports.

[0029] It should be noted that the power supply port is an SPOE port, so as to uniformly power all first terminal devices 10 cascaded using the SPOE ports.

[0030] Specifically, Figure 2 As shown, the two first terminal devices 10 are connected by using a first connection mode of SPOE ports and SPOE ports, so as to form a power supply loop through the middle tap of the network port transformer, such as Figure 3 As shown, the two first terminal devices 10 are connected using a second connection method of a SPOE port and a non-SPOE port to form power isolation through a network port transformer; Figure 4 As shown, the two first terminal devices 10 are connected by a third connection mode of non-SPOE port and non-SPOE port, so as to form power isolation through the network port transformer.

[0031] As an embodiment, the cascadeable terminal intercom apparatus further includes one or more second terminal units 30, and each second terminal unit 30 is connected to a power supply port of any one of the plurality of first terminal devices 10 via a power supply port.

[0032] As an embodiment, the cascadeable terminal intercom apparatus further includes one or more third terminal units 40, each of which is connected to a power supply port of any one of the plurality of first terminal devices 10 via a non-power supply port.

[0033] It should be noted that the above-mentioned second terminal unit 30 can be an outdoor unit, using the first connection method to be powered uniformly with the indoor unit, and the third terminal unit 40 can be a network camera, using the second connection method or the third connection method to be powered separately with the indoor unit. In other words, the connection port of the first terminal device 10 can be expanded according to actual needs to facilitate data transmission and communication intercom with the connected terminal device.

[0034] As a specific embodiment, the first terminal device 10 is an indoor unit, which includes a first indoor unit, multiple second indoor units and multiple third indoor units. The first indoor unit includes a first power supply port and a first non-power supply port. The multiple second indoor units are connected in series through the power supply port, and the multiple third indoor units are connected in series through the power supply port. The multiple second indoor units connected in series are connected to the first power supply port of the first indoor unit through the power supply port, and the multiple third indoor units connected in series are connected to the first non-power supply port of the first indoor unit through the non-power supply port.

[0035] It should be noted that if Figure 5As shown, the multiple second indoor units include indoor unit 1-1, indoor unit 1-2 and indoor unit 1-3, which are connected in series through SPOE ports and connected to port 3 of the first indoor unit to form a group, so that they can be uniformly powered by power supply 1; the multiple third indoor units include indoor unit 2-1, indoor unit 2-2, indoor unit 2-3 and indoor unit 2-4, which are connected in series through SPOE ports to form another group, and connected to port 4 of the first indoor unit, so that the other group can be individually powered by power supply 3.

[0036] In addition, if Figure 6 As shown, the cascaded indoor units can be expanded according to actual needs, and corresponding power supplies can be equipped according to the expanded number. In other words, the expanded number and topological structure of the indoor units can be adjusted and set according to actual needs, and the present utility model does not make specific limitations on this.

[0037] As a specific embodiment, the first indoor unit also includes a second power supply port and a third power supply port, the second terminal device is an outdoor unit, the outdoor unit includes a first outdoor unit and a second outdoor unit, the first outdoor unit is connected to the second power supply port of the first indoor unit through the power supply port, and the second outdoor unit is connected to the third power supply port of the first indoor unit through the power supply port.

[0038] As a specific embodiment, the power supply unit 20 includes a first power supply unit and a second power supply unit, the first power supply unit is connected to the first indoor unit, and the second power supply unit is connected to a plurality of third indoor units connected in series.

[0039] As a specific embodiment, the first indoor unit further includes a second non-power supply port, and the third terminal device is a camera, and the camera is connected to the second non-power supply port via the non-power supply port.

[0040] As an embodiment, the main control unit 101 is connected to the switch unit 102 via a management interface, and the switch unit 102 obtains data information via the management interface so as to establish a communication connection according to the data information.

[0041] As a specific embodiment, the management interface is an MDIO interface.

[0042] That is, the main control unit 101 performs port configuration through the MDIO interface so as to realize terminal intercom communication between corresponding ports.

[0043] In summary, the cascaded terminal intercom device proposed in the utility model includes multiple first terminal devices and one or more power supply units, each first terminal device includes a main control unit and a switch unit, and the main control unit and the switch unit are connected; wherein the switch unit is provided with a connection port, the connection port includes a power supply port and a non-power supply port, and each first terminal device is connected through the connection port to form a first connection mode, a second connection mode or a third connection mode; each power supply unit supplies power to all first terminal devices formed in series using the first connection mode so as to establish intercom communication; thus, by building the switch into the terminal device, and cascading the terminal devices to form multiple groups, and using the corresponding power supply to power each group, it is not only simple to install and low in cost, but also can ensure stable power supply.

[0044] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0045] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0046] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0047] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0048] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms should not be understood as necessarily being directed to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples described in this specification.

[0049] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A cascadable terminal intercom device, characterized in that: include: A plurality of first terminal devices, each of which comprises a main control unit and a switch unit, wherein the main control unit and the switch unit are connected; The switch unit is provided with a connection port, the connection port includes a power supply port and a non-power supply port, and each of the first terminal devices is connected through the connection port to form a first connection mode, a second connection mode or a third connection mode; One or more power supply units, each of which supplies power to all first terminal devices connected in series using the first connection method, so as to establish intercom communication.

2. The cascadable terminal intercom device according to claim 1, characterized in that: The first connection method is a connection method between power supply ports, the second connection method is a connection method between power supply ports and non-power supply ports, and the third connection method is a connection method between non-power supply ports and non-power supply ports.

3. The cascadable terminal intercom device according to claim 2, characterized in that: Also includes: One or more second terminal units, each of which is connected to a power supply port of any one of the plurality of first terminal devices through a power supply port.

4. The cascadable terminal intercom device according to claim 3, characterized in that: Also includes: One or more third terminal units, each of the third terminal units is connected to a power supply port of any one of the plurality of first terminal devices through a non-power supply port.

5. The cascadable terminal intercom device according to claim 4, characterized in that: The first terminal device is an indoor unit, which includes a first indoor unit, multiple second indoor units and multiple third indoor units. The first indoor unit includes a first power supply port and a first non-power supply port. The multiple second indoor units are connected in series through the power supply port, and the multiple third indoor units are connected in series through the power supply port. The multiple second indoor units connected in series are connected to the first power supply port of the first indoor unit through the power supply port, and the multiple third indoor units connected in series are connected to the first non-power supply port of the first indoor unit through the non-power supply port.

6. The cascadable terminal intercom device according to claim 5, characterized in that: The first indoor unit also includes a second power supply port and a third power supply port, the second terminal unit is an outdoor unit, the outdoor unit includes a first outdoor unit and a second outdoor unit, the first outdoor unit is connected to the second power supply port of the first indoor unit through a power supply port, and the second outdoor unit is connected to the third power supply port of the first indoor unit through a power supply port.

7. The cascadable terminal intercom device according to claim 6, characterized in that: The power supply unit includes a first power supply unit and a second power supply unit, the first power supply unit is connected to the first indoor unit, and the second power supply unit is connected to the plurality of third indoor units connected in series.

8. The cascadable terminal intercom device according to claim 7, characterized in that: The first indoor unit further includes a second non-power supply port, and the third terminal unit is a camera, which is connected to the second non-power supply port via the non-power supply port.

9. The cascadable terminal intercom device according to claim 8, characterized in that: The main control unit is connected to the switch unit via a management interface, and the switch unit obtains data information via the management interface so as to establish a communication connection according to the data information.

10. The cascadable terminal intercom device according to claim 9, characterized in that: The management interface is an MDIO interface.

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