Serial port connecting device and medical equipment remote communication system comprising same
By using a separately packaged PCB board and USB extension cable in the remote communication system for medical devices, combined with a conversion chip and protective casing, the problem of easy damage to the serial port to mouse and keyboard control cable is solved, improving the hardware reliability of the system and reducing maintenance costs.
Patent Information
- Application Number
- CN202520459460.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-03-14
AI Technical Summary
The existing serial-to-mouse/keyboard control cable has poor tensile strength and is easily broken. Furthermore, the second USB port is prone to damage when plugged into the controlled machine for extended periods, affecting the hardware reliability of the medical device remote communication system and increasing maintenance costs.
It uses a separately packaged PCB board and USB extension cable. The TTL serial port signal is converted into a USB signal through a conversion chip, and the PCB board is protected by a shell to prevent it from being plugged into the controlled machine for a long time, thereby improving mechanical tensile strength and reducing the risk of damage.
This improved the hardware reliability of the remote communication system for medical equipment, reduced maintenance costs, enhanced the mechanical tensile strength of the system, and prevented the PCB board from being damaged by gravity.
Smart Images
Figure CN223828065U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical equipment remote communication technical field, especially relate to a serial port connecting device and contain its medical equipment remote communication system. BACKGROUND
[0002] For medical equipment remote communication system, in order to realize from the physician end host to medical equipment and send analog keyboard and mouse signal, will adopt serial port to mouse keyboard control line.Seriel port to mouse keyboard control line's first USB port is connected to client serial port equipment, and receives the mouse control signal from the client serial port equipment, and the second USB port of serial port to mouse keyboard control line is connected to the controlled device, and the control chip of serial port to mouse keyboard control line is set on the second USB port, and the mouse control signal is transmitted to the computer through the control line to control the keyboard and mouse of computer.
[0003] However, the cable of serial port to mouse keyboard control line is poor in tensile strength, and is easily pulled off in the use process, the second USB port of serial port to mouse keyboard control line is long-term inserted on the controlled machine, and the continuous down pull under the gravity can cause the damage of second USB port. UTILITY MODEL CONTENTS
[0004] The utility model solves the technical problem to overcome the defects in the prior art, and provides a serial port connecting device and a medical equipment remote communication system comprising the same.
[0005] The utility model achieves the above technical effects through the following technical scheme:
[0006] The utility model provides a serial port connecting device for medical equipment remote communication system, and the serial port connecting device comprises:
[0007] PCB board, the PCB board is provided with conversion chip, and the conversion chip is used to convert TTL serial port signal into USB serial port signal;
[0008] First USB port, the first USB port is connected to the input end of the PCB board,
[0009] Second USB port, the second USB port is connected to the output end of the PCB board,
[0010] First USB extension connecting line, the first end of the first USB extension connecting line is connected to the first USB port, and the second end of the first USB extension connecting line is used to be connected to the client serial port equipment;
[0011] The second USB extension cable has a first end connected to the second USB port and a second end used to connect to the controlled device.
[0012] In this solution, by setting up a separately packaged PCB board and connecting the second USB extension cable to the controlled device, the PCB board does not need to be plugged into the controlled machine for a long time. This improves the mechanical tensile strength and avoids damage to the internal PCB board due to the continuous downward pull of the cable's weight. As a result, the hardware reliability of the medical device remote communication system is improved and the operation and maintenance costs are reduced.
[0013] Preferably, the first USB port is soldered to the PCB board, and / or the second USB port is soldered to the PCB board.
[0014] Preferably, the PCB board is provided with a dial switch, which is used to configure the working mode of the conversion chip.
[0015] In this solution, a DIP switch allows users to manually configure or reset the operating mode, enabling field engineers to modify hardware settings according to the user's actual situation without changing the software.
[0016] Preferably, the conversion chip includes a CH9329 chip, and / or,
[0017] The conversion chip includes a CH340C chip.
[0018] In this solution, the CH9329 chip is used to convert a serial port to a USB keyboard and mouse device. The CH340C chip is used to convert a USB port to a serial port.
[0019] Preferably, the serial port connection device includes a housing, which is connected to the PCB board and disposed outside the PCB board. The housing has openings at both ends, through which the first USB port and the second USB port extend out of the housing.
[0020] In this solution, an outer shell is used to enclose the PCB board, preventing wear and tear during use and improving hardware reliability.
[0021] Preferably, the outer shell is made of plastic heat shrink board.
[0022] Preferably, the housing is detachably connected to the PCB board.
[0023] In this solution, the detachable connection facilitates on-site engineers to inspect, adjust, and repair the PCB board.
[0024] Preferably, the first end of the first USB extension cable is configured to match a USB port, and the second end of the first USB extension cable is a USB port, and / or,
[0025] The first end of the second USB extension cable is configured to match a USB port, and the second end of the second USB extension cable is a USB port.
[0026] A remote communication system for medical devices includes the aforementioned serial port connection device.
[0027] In this solution, by setting up a separately packaged PCB board and connecting it to the controlled device via a second USB extension cable, the PCB board does not need to be plugged into the controlled machine for a long time. This improves the mechanical tensile strength and avoids damage to the internal PCB board due to the continuous downward pull of the cable's weight. As a result, the hardware reliability of the medical device remote communication system is improved, and the operation and maintenance costs are reduced.
[0028] Preferably, the medical device remote communication system further includes a client serial port device and a controlled device, with the second end of the first USB extension cable connected to the client serial port device and the second end of the second USB extension cable connected to the controlled device.
[0029] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.
[0030] The positive and progressive effects of this utility model are as follows: For this serial port connection device, by setting up a separately packaged PCB board and connecting the second USB extension cable to the controlled device, the PCB board does not need to be plugged into the controlled machine for a long time, which improves the mechanical tensile strength and avoids damage to the internal PCB board due to continuous downward pull from the weight of the cable. This improves the hardware reliability of the medical equipment remote communication system and reduces the operation and maintenance costs. Attached Figure Description
[0031] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings, so that those skilled in the art can more clearly understand the above and other features and advantages of the present invention.
[0032] Figure 1 This is a schematic diagram of the serial port connection device according to a preferred embodiment of the present invention.
[0033] The reference numerals in the attached figures are as follows:
[0034] Serial port connection device 100
[0035] PCB board 101
[0036] First USB extension cable 102
[0037] Second USB extension cable 103
[0038] Converter chip 104
[0039] First USB port 105
[0040] Second USB port 106
[0041] Client serial port device 200
[0042] Controlled device 300 Detailed Implementation
[0043] To provide a clearer understanding of the technical features, objectives, and effects of this utility model, specific embodiments of this utility model are now described with reference to the accompanying drawings, in which the same reference numerals denote the same parts.
[0044] In this document, “illustrative” means “serving as an example, illustration or description”, and any illustration or implementation described herein as “illustrative” should not be construed as a more preferred or advantageous technical solution.
[0045] To keep the drawings concise, only the parts related to this utility model are shown schematically in each drawing, and they do not represent the actual structure of the product. In addition, to make the drawings concise and easy to understand, in some drawings, only one of the components with the same structure or function is shown schematically, or only one of them is labeled.
[0046] In this article, "one" can mean not only "only one" but also "more than one". In this article, "first", "second", etc., are used only to distinguish one from another, not to indicate their importance, order, or mutual dependence.
[0047] This embodiment discloses a serial port connection device 100 for a remote communication system for medical devices. The serial port connection device 100 includes: a PCB board 101, a first USB port 105, a second USB port 106, a first USB extension cable 102, and a second USB extension cable 103. A conversion chip 104 is disposed on the PCB board 101, which is used to convert TTL serial port signals into USB serial port signals. The first USB port 105 is connected to the input terminal of the PCB board 101, and the second USB port 106 is connected to the output terminal of the PCB board 101. The first end of the first USB extension cable is connected to the first USB port 105, and the second end of the first USB extension cable is used to connect to the client serial port device 200. The first end of the second USB extension cable is connected to the second USB port 106, and the second end of the second USB extension cable is used to connect to the controlled device 300.
[0048] In this embodiment, by setting up a separately packaged PCB board 101, the second USB extension cable is connected to the controlled device 300. This eliminates the need for the PCB board 101 to be constantly plugged into the controlled machine, improving its mechanical tensile strength and preventing damage from the continuous downward pull of the cable. This enhances the hardware reliability of the medical device remote communication system and reduces maintenance costs. The client serial port device 200 can be the master control PC, placed near the main device console; the controlled device 300 can be the controlled PC, i.e., the main device console. The remote control PC located in the remote hospital can access the master control PC via the network and transmit keyboard and mouse control signals to the master control PC. The master control PC is connected to the controlled PC via the serial port connection device 100 and transmits the keyboard and mouse control signals to the controlled PC.
[0049] The first USB port 105 is soldered to the PCB board 101. The second USB port 106 is soldered to the PCB board 101. It should be noted that, in alternative embodiments, other connection methods, such as adhesive bonding, may also be used.
[0050] A DIP switch is provided on PCB board 101, which is used to configure the operating mode of conversion chip 104. By bringing out the hardware configuration pins of conversion chip 104, and setting the DIP switch, users can manually configure or reset the operating mode, allowing field engineers to modify the hardware settings according to the user's actual situation without changing the software.
[0051] The conversion chip 104 includes a CH9329 chip and a CH340C chip. The CH9329 chip is used to convert serial port signals to USB keyboard and mouse devices. The CH340C chip is used to convert USB signals to serial port signals. Specifically, the CH9329 chip converts TTL serial port signals to USB keyboard and mouse control signals, and the CH340C chip converts TTL serial port signals to USB serial port signals.
[0052] The serial port connection device 100 includes a housing, which is connected to and located outside the PCB board 101. Openings are provided at both ends of the housing, through which a first USB port 105 and a second USB port 106 extend. By providing the housing, the PCB board 101 is enclosed, preventing wear and tear during use and improving hardware reliability.
[0053] The housing is made of plastic heat-shrink board. The housing is designed to be detachably connected to PCB board 101. This detachable connection facilitates on-site engineers' inspection, adjustment, and maintenance of PCB board 101.
[0054] The first end of the first USB extension cable 102 is configured to be compatible with a USB port, and the second end of the first USB extension cable 102 is a USB port. The first end of the second USB extension cable 103 is configured to be compatible with a USB port, and the second end of the second USB extension cable 103 is a USB port.
[0055] This embodiment also discloses a remote communication system for medical devices, including the aforementioned serial port connection device 100. By setting up a separately packaged PCB board 101, which is connected to the controlled device 300 via a second USB extension cable 103, the PCB board 101 does not need to be plugged into the controlled machine for a long time. This improves the mechanical tensile strength and avoids damage to the internal PCB board 101 due to continuous downward pull from the weight of the cable. This improves the hardware reliability of the remote communication system for medical devices and reduces maintenance costs.
[0056] The medical device remote communication system also includes a client serial port device 200 and a controlled device 300. The second end of the first USB extension cable 102 is connected to the client serial port device 200, and the second end of the second USB extension cable 103 is connected to the controlled device 300.
[0057] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.
Claims
1. A serial port connection device for a remote communication system for medical equipment, characterized in that, The serial port connection device includes: A PCB board, wherein a conversion chip is provided on the PCB board, the conversion chip being used to convert TTL serial port signals into USB serial port signals; The first USB port is connected to the input terminal of the PCB board. The second USB port is connected to the output terminal of the PCB board. A first USB extension cable, wherein a first end of the first USB extension cable is connected to the first USB port, and a second end of the first USB extension cable is used to connect to a client serial port device; The second USB extension cable has a first end connected to the second USB port and a second end used to connect to the controlled device.
2. The serial port connection device as described in claim 1, characterized in that, The first USB port is soldered to the PCB board, and / or the second USB port is soldered to the PCB board.
3. The serial port connection device as described in claim 1, characterized in that, The PCB board is equipped with a DIP switch, which is used to configure the working mode of the conversion chip.
4. The serial port connection device as described in claim 1, characterized in that, The conversion chip includes a CH9329 chip, and / or, The conversion chip includes a CH340C chip.
5. The serial port connection device as described in claim 1, characterized in that, The serial port connection device includes a housing, which is connected to and located outside the PCB board. The housing has openings at both ends, through which the first USB port and the second USB port extend out of the housing.
6. The serial port connection device as described in claim 5, characterized in that, The outer shell is made of plastic heat shrink board.
7. The serial port connection device as described in claim 5, characterized in that, The outer casing is configured to be detachably connected to the PCB board.
8. The serial port connection device as described in claim 1, characterized in that, The first end of the first USB extension cable (102) is configured to match a USB port, and the second end of the first USB extension cable is a USB port, and / or, The first end of the second USB extension cable is configured to match a USB port, and the second end of the second USB extension cable is a USB port.
9. A remote communication system for medical devices, characterized in that, Includes the serial port connection device as described in any one of claims 1-8.
10. The medical device remote communication system as described in claim 9, characterized in that, The medical device remote communication system also includes a client serial port device and a controlled device. The second end of the first USB extension cable is connected to the client serial port device, and the second end of the second USB extension cable is connected to the controlled device.