CN220774929U - Switching value signal expansion device - Google Patents

Abstract

The utility model discloses a switching value signal expansion device, which comprises a shell, wherein a cover plate is arranged on one side of the shell in a connecting way, a touch screen is arranged on one side of the cover plate in a connecting way, a protective layer is arranged on one side of the inner wall of the shell in a connecting way, a ground wire is arranged on one side of the shell in a connecting way, both sides of the inner wall of the shell are respectively provided with a wired interface end in a connecting way, the wired interface ends comprise a signal input port and a signal output port, one side of the signal input port is electrically connected with a signal rotator and a signal isolator, one side of the inner wall of the shell is respectively provided with a multiplexer, a storage unit, a central processing unit, a wireless communication device and a relay, one side of the signal input port and one side of the signal output port are respectively connected with a plurality of groups of connection ports, and the wireless communication device connection mode comprises zigbee and Bluetooth connection. The utility model effectively improves the application range, increases the control range, satisfies the output of various signals and reduces the expansion cost.

Description

Switching value signal expansion device

Technical Field

The utility model relates to the technical field of signal expansion, in particular to a switching value signal expansion device.

Background

The switching value signal expanding device is a device for expanding, connecting and processing switching value signals, the switching value signals are usually expressed as two states, such as on or off, high or low, 1 or 0, and the like, the signals are commonly used in a monitoring and control system for detecting the on-off state, alarming, triggering actions, transmitting digital information and the like, a large number of switching value signals can be effectively expanded and managed by using the switching value signal expanding device, the reliability and the working efficiency of the system are improved, and the switching value signal expanding device has wide application in the fields of industrial automation, building control, energy management, security monitoring and the like.

The current switching value signal expansion device may have the following disadvantages:

1. rely on hardware interfaces: switching signal expansion devices typically require a specific hardware interface to connect with external devices, such as digital input/output, relay interfaces, etc., which limits their range of applicability and flexibility, and may require additional conversion or adapters if the external device does not support a compatible interface;

2. limited signal type support: some switching value signal expansion devices may only support certain types of switching value signals (e.g., digital signals) and may not be capable of processing other types of signals (e.g., analog signals). This may limit its applicability and may not meet the needs of certain special application scenarios;

3. limited number of channels: some switching value signal expansion devices have a limited number of channels, may not meet the requirement of large-scale signal expansion, and if a large number of switching value signals need to be connected, a plurality of expansion devices may need to be used, increasing system complexity and cost;

4. signal interference and immunity to interference: in some special environments, such as high electromagnetic interference, power supply fluctuation, etc., the switching value signal expansion device may have problems of signal interference or insufficient anti-interference capability, resulting in signal distortion or erroneous judgment, which may affect the stability and reliability of the system.

Disclosure of Invention

The present utility model is directed to a switching value signal expansion device, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the touch screen comprises a shell, wherein a cover plate is connected to one side of the shell, a touch screen is connected to one side of the cover plate, a protective layer is connected to one side of the inner wall of the shell, a ground wire is connected to one side of the shell, and wired interface ends are connected to two sides of the inner wall of the shell;

the wired interface end comprises a signal input port and a signal output port, one side of the signal input port is electrically connected with a signal rotator and a signal isolator, and one side of the inner wall of the shell is connected with a multiplexer, a storage unit, a central processing unit, a wireless communication device and a relay.

Preferably, the signal input port and one side of the signal output port are respectively provided with a plurality of groups of connection ports.

Preferably, the wireless communicator connection mode includes zigbee and bluetooth connection.

Preferably, the touch screen, the signal rotator, the signal isolator, the multiplexer, the central processing unit, the wired interface end, the wireless communicator and the relay are in bidirectional signal connection.

Preferably, the protective layer is made of aluminum foil, and one end of the ground wire is electrically connected with the shell.

Preferably, the wired interface end and the wireless communicator are both electrically connected with a control device.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model inserts the signal input lead and the signal output lead into the corresponding signal input port and signal output port, thereby connecting the device with the control equipment, wherein the connection ports of the signal input port and the signal output port are multiple, and can control the use of multiple equipment, and meanwhile, the device can also be connected with the equipment through the wireless communicator, thereby achieving the control effect, ensuring the control range of the device, inputting the operation command through the cover plate, converting the signal into the same digital format through the signal rotator, then separating through the signal isolator, then transmitting to the multiplexer, transmitting to the central processing unit through the multiplexer, then receiving the signal command by the central processing unit, sending out the signal to the wireless communicator or the signal output port, thereby controlling the equipment to perform corresponding actions, effectively improving the application range, simultaneously increasing the control range, meeting the output of multiple signals, and reducing the expansion cost;

2. the utility model also effectively avoids signal interference around the environment through the protective layer when in use, and simultaneously effectively avoids power supply fluctuation interference around the environment by matching with the ground wire, thereby effectively ensuring the accuracy of signal commands and improving the stability and reliability of system operation.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a switching value signal expansion device according to the present utility model;

FIG. 2 is a schematic diagram of the internal structure of a switching value signal expansion device according to the present utility model;

fig. 3 is a schematic block diagram of a switching value signal expansion device according to the present utility model.

In the figure: 1. a housing; 2. a cover plate; 3. a touch screen; 4. a protective layer; 5. a ground wire; 6. a signal rotator; 7. a signal isolator; 8. a multiplexer; 9. a storage unit; 10. a central processing unit; 11. a wireless communicator; 12. a relay; 111. a wired interface end; 101. a signal input port; 102. and a signal output port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-3, the present utility model provides a technical solution: the touch screen comprises a shell 1, wherein a cover plate 2 is connected and arranged on one side of the shell 1, a touch screen 3 is connected and arranged on one side of the cover plate 2, a protective layer 4 is connected and arranged on one side of the inner wall of the shell 1, a ground wire 5 is connected and arranged on one side of the shell 1, and a wired interface end 111 is connected and arranged on two sides of the inner wall of the shell 1;

the wired interface end 111 comprises a signal input port 101 and a signal output port 102, wherein one side of the signal input port 101 is electrically connected with a signal rotator 6 and a signal isolator 7, one side of the inner wall of the shell 1 is connected with a multiplexer 8, a storage unit 9, a central processing unit 10, a wireless communicator 11 and a relay 12, so that the effective conveying effect of signals on equipment can be ensured, and meanwhile, the feedback information of the equipment can be ensured to be timely displayed on the touch screen 3, and the use effect is ensured;

the signal input port 101 and the signal output port 102 are respectively provided with a plurality of groups of connection ports, wherein the ports are different, such as a serial port, a USB port, an Ethernet port, a DisplayPort port, a SATA port and the like, so that the frame-increasing adaptation effect is effectively achieved; the wireless communicator 11 is connected in a manner of including zigbee and Bluetooth connection, so that flexibility and convenience of wiring are improved, and signal transmission at a longer distance is supported; the touch screen 3, the signal rotator 6, the signal isolator 7, the multiplexer 8, the central processing unit 10, the wired interface end 111, the wireless communicator 11 and the relay 12 are in bidirectional signal connection.

Working principle: when the utility model is used, a signal input wire and a signal output wire are inserted into a corresponding signal input port 101 and a corresponding signal output port 102, so that the device is connected with control equipment, wherein a plurality of connection ports of the signal input port 101 and the signal output port 102 are arranged, a plurality of equipment can be controlled to be used, and meanwhile, the device can be connected with the equipment through a wireless communicator 11, so that so the control effect is achieved, the control range of the device is ensured, an operation command is input through a cover plate 2, signals are converted into the same digital format through a signal rotator 6, then the signals are separated through a signal isolator 7, and are transmitted to a multiplexer 8, the multiplexer 8 is used for transmitting the signals to the central processing unit 10, and the central processing unit 10 is used for transmitting the signals to the wireless communicator 11 or the signal output port 102, so that the control equipment can be used for performing corresponding actions, the control range is effectively increased, the control range is ensured, the output of a plurality of signals is met, and the expansion cost is reduced, and the multiplexer 8 is separated.

Example two

Referring to fig. 1-3, the present utility model provides a technical solution: the touch screen comprises a shell 1, wherein a cover plate 2 is connected and arranged on one side of the shell 1, a touch screen 3 is connected and arranged on one side of the cover plate 2, a protective layer 4 is connected and arranged on one side of the inner wall of the shell 1, a ground wire 5 is connected and arranged on one side of the shell 1, and a wired interface end 111 is connected and arranged on two sides of the inner wall of the shell 1; the protective layer 4 is made of aluminum foil, and one end of the ground wire 5 is electrically connected with the shell 1.

Working principle: when the utility model is used, the protective layer 4 effectively avoids signal interference around the environment, and simultaneously, the protective layer is matched with the ground wire 5 to effectively avoid power supply fluctuation interference around the environment, thereby effectively ensuring the accuracy of signal commands and improving the stability and reliability of system operation.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Switching value signal expansion device, including casing (1), its characterized in that: the touch screen comprises a shell (1), and is characterized in that a cover plate (2) is connected and arranged on one side of the shell (1), a touch screen (3) is connected and arranged on one side of the cover plate (2), a protective layer (4) is connected and arranged on one side of the inner wall of the shell (1), a ground wire (5) is connected and arranged on one side of the shell (1), and wired interface ends (111) are respectively connected and arranged on two sides of the inner wall of the shell (1);

the wired interface end (111) comprises a signal input port (101) and a signal output port (102), wherein one side of the signal input port (101) is electrically connected with a signal rotator (6) and a signal isolator (7), and one side of the inner wall of the shell (1) is connected with a multiplexer (8), a storage unit (9), a central processing unit (10), a wireless communicator (11) and a relay (12).

2. A switching value signal expansion device according to claim 1, characterized in that: and one sides of the signal input port (101) and the signal output port (102) are respectively connected with a plurality of groups of connection ports.

3. A switching value signal expansion device according to claim 1, characterized in that: the wireless communicator (11) is connected in a manner comprising zigbee and Bluetooth connection.

4. A switching value signal expansion device according to claim 1, characterized in that: the touch screen (3), the signal rotator (6), the signal isolator (7), the multiplexer (8), the central processing unit (10), the wired interface end (111), the wireless communicator (11) and the relay (12) are in bidirectional signal connection.

5. A switching value signal expansion device according to claim 1, characterized in that: the protective layer (4) is made of aluminum foil, and one end of the ground wire (5) is electrically connected with the shell (1).

6. A switching value signal expansion device according to claim 1, characterized in that: the wired interface end (111) and the wireless communicator (11) are electrically connected with control equipment.