CN212724662U - Control circuit for medical display equipment - Google Patents
Control circuit for medical display equipment Download PDFInfo
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- CN212724662U CN212724662U CN202021219255.4U CN202021219255U CN212724662U CN 212724662 U CN212724662 U CN 212724662U CN 202021219255 U CN202021219255 U CN 202021219255U CN 212724662 U CN212724662 U CN 212724662U
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Abstract
The utility model discloses a control circuit for medical display equipment, which comprises a core microprocessor controller, a display module, an audio module, a data acquisition module and a data interaction module; the display module, the audio module, the data acquisition module and the data interaction module are all connected with the core micro-processing controller circuit. The utility model provides a control circuit for medical display device adopts the embedded core micro-processing controller that the cost is lower, realizes the display control in medical institution or relevant place, on the basis of realizing signal processing and control, has reduced hardware configuration cost, has saved medical display device's purchasing cost, guarantees the high transmissibility and the reliability of data simultaneously.
Description
Technical Field
The utility model relates to an electronic communication technical field especially relates to a control circuit for medical display device.
Background
The medical display device is generally disposed in a hospital corridor, a waiting room, or a ward, and displays waiting information and the like. Because the amount of data processed by the medical display device is small and the function is single, the adoption of the chipset with high processing performance can cause the waste of hardware configuration and high hardware cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a control circuit for medical display device.
The utility model provides a control circuit for medical display equipment, which comprises a core microprocessor controller (1), a display module (2), an audio module (3), a data acquisition module (4) and a data interaction module (5); the display module (2), the audio module (3), the data acquisition module (4) and the data interaction module (5) are all in circuit connection with the core micro-processing controller (1).
The core microprocessing controller (1) is provided with an RGB888 bus interface; the display module (2) comprises a display signal conversion circuit, a display control circuit and a display screen; the signal conversion circuit comprises a display signal input end and a display signal output end; the display signal output end, the display control circuit and the display screen are sequentially connected in a circuit manner; the display signal input end is connected with the RGB888 bus interface through a cable conforming to the RGB888 bus standard transmission protocol; the display signal output end is an output interface which accords with VGA standard, and the output ends are connected through the display control circuit which accords with VGA standard transmission protocol. The control circuit for medical display equipment provided by the utility model also comprises an audio signal processing chip for executing audio signal coding processing and audio signal decoding processing; the audio signal processing chip and the core micro-processing controller (1) are packaged into an integral structure; the audio signal processing chip comprises an audio signal input end and an audio signal output end; the audio signal input end is in circuit connection with the core micro-processing controller (1); the audio signal output end is connected with an FM demodulation module circuit. The control circuit for the medical display equipment provided by the utility model also comprises a level conversion circuit, wherein the level conversion circuit is provided with a first conversion interface, a second conversion interface, a third conversion interface and a fourth conversion interface; the core microprocessor controller (1) is provided with a first USB interface; the first conversion interface is in circuit connection with the first USB interface; the FM demodulation module is provided with a control end, and the second conversion interface is in circuit connection with the control end of the FM demodulation module. The utility model provides a control circuit for medical display device still includes an audio control circuit, third conversion interface with audio control circuit is connected. The data acquisition module (4) comprises a temperature acquisition module, and the temperature acquisition module comprises a CAN isolation transceiver module circuit and a first temperature sensor; the CAN isolation transceiver module circuit comprises a first signal conduction circuit; and the temperature signal output end of the temperature sensor is connected with the input end of the first signal conduction circuit. The temperature acquisition module further comprises a second temperature sensor, and the CAN isolation transceiver module circuit comprises a second signal conduction circuit; and the signal output end of the second temperature sensor is connected with the input end of the second signal conduction circuit. The output end of the first signal conduction circuit is connected with the output end of the second signal conduction circuit through a CAN isolation bus cable phase circuit which accords with the CAN isolation bus transmission protocol. The data acquisition module (4) further comprises a GPS signal acquisition module, and the GPS signal acquisition module is in circuit connection with the fourth conversion interface. The data interaction module (5) comprises a first serial input/output interface circuit, a second serial input/output interface circuit, an Ethernet interface circuit and a second USB interface circuit; the first serial input/output interface circuit, the second serial input/output interface circuit, the Ethernet interface circuit and the second USB interface circuit are all connected with the core micro-processing controller (1) through circuits.
The utility model provides a control circuit for medical display device adopts embedded core micro-processing controller (1) that the cost is lower, realizes the display control in medical institution or relevant place, on the basis of realizing signal processing and control, has reduced hardware configuration cost, has saved medical display device's purchasing cost, guarantees the high transmissibility and the reliability of data simultaneously.
Drawings
Fig. 1 is a schematic connection diagram of a control circuit module for a medical display device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a control circuit for a medical display device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the present embodiment provides a control circuit for a medical display device, which includes a core microprocessor controller 1, a display module 2, an audio module 3, a data acquisition module 4, and a data interaction module 5; the display module 2, the audio module 3, the data acquisition module 4 and the data interaction module 5 are all in circuit connection with the core microprocessor controller 1.
As shown in fig. 2, the core microprocessor controller 1 is provided with an RGB888 bus interface; the display module 2 comprises a display signal conversion circuit, a display control circuit and a display screen; the signal conversion circuit comprises a display signal input end and a display signal output end; the display signal output end, the display control circuit and the display screen are sequentially connected in a circuit manner; the display signal input end is connected with the RGB888 bus interface through a cable conforming to the RGB888 bus standard transmission protocol; the display signal output end is an output interface which accords with VGA standard, and the output ends are connected through the display control circuit which accords with VGA standard transmission protocol. As can be understood by those skilled in the art, the display signal conversion circuit is used for converting the display signal conforming to the RGB888 standard transmission protocol into conforming to the VGA standard transmission protocol, so as to realize the function that the core micro-processing controller 1 transmits the display signal to the display screen to execute the display operation.
The control circuit for the medical display device provided by the embodiment further comprises an audio signal processing chip for executing audio signal coding processing and audio signal decoding processing; the audio signal processing chip and the core micro-processing controller 1 are packaged into an integral structure; the audio signal processing chip comprises an audio signal input end and an audio signal output end; the audio signal input end is in circuit connection with the core micro-processing controller 1; the audio signal output end is connected with an FM demodulation module circuit. As can be understood by those skilled in the art, the audio signal encoded or decoded by the audio signal processing chip can be demodulated into a frequency modulation signal by the FM demodulation module.
The control circuit for medical display equipment provided by the embodiment further comprises a level conversion circuit, wherein the level conversion circuit is provided with a first conversion interface, a second conversion interface, a third conversion interface and a fourth conversion interface; the core microprocessor controller 1 is provided with a first USB interface; the first conversion interface is in circuit connection with the first USB interface; the FM demodulation module is provided with a control end, and the second conversion interface is in circuit connection with the control end of the FM demodulation module.
The control circuit for medical display equipment provided by this embodiment further includes an audio control circuit, and the third conversion interface is connected to the audio control circuit.
As can be understood by those skilled in the art, the first USB interface can be connected to the control terminal of the FM demodulation module and the audio control circuit through the level conversion circuit, so as to control the control circuit for medical display device provided in this embodiment to switch between a first state where the audio signal processing chip is connected to the FM demodulation module and a second state where the audio signal processing chip is connected to the audio control circuit.
The data acquisition module 4 comprises a temperature acquisition module, and the temperature acquisition module comprises a CAN isolation transceiver module circuit and a first temperature sensor; the CAN isolation transceiver module circuit comprises a first signal conduction circuit; and the temperature signal output end of the temperature sensor is connected with the input end of the first signal conduction circuit.
The temperature acquisition module further comprises a second temperature sensor, and the CAN isolation transceiver module circuit comprises a second signal conduction circuit; and the signal output end of the second temperature sensor is connected with the input end of the second signal conduction circuit.
The output end of the first signal conduction circuit is connected with the output end of the second signal conduction circuit through a CAN isolation bus cable phase circuit which accords with the CAN isolation bus transmission protocol.
As can be understood by those skilled in the art, the first temperature sensor and the second temperature sensor can be respectively placed in different scenes or positions of a hospital, the first temperature sensor and the second temperature sensor are used for acquiring a first temperature value and a second temperature value, and the first temperature value and the second temperature value are simultaneously sent to the core microprocessor controller 1 to be processed and then simultaneously or scrolled on a display screen for displaying, so that the multi-scene and multi-position temperature can be acquired and monitored simultaneously.
The data acquisition module 4 further comprises a GPS signal acquisition module, and the GPS signal acquisition module is in circuit connection with the fourth conversion interface. As can be understood by those skilled in the art, the acquired GPS signals can be transmitted to the core microprocessor controller 1 through the fourth conversion interface, processed to generate longitude and latitude coordinate values, and sent to the display screen for display.
The data interaction module 5 comprises a first serial input/output interface circuit, a second serial input/output interface circuit, an Ethernet interface circuit and a second USB interface circuit; the first serial input/output interface circuit, the second serial input/output interface circuit, the Ethernet interface circuit and the second USB interface circuit are all connected with the 1-phase circuit of the core micro-processing controller. Those skilled in the art can understand that, in the control circuit for a medical display device provided in this embodiment, the core microprocessor controller 1 can be connected to an external data output or receiving device conforming to a serial standard transmission protocol through the serial input/output interface circuit and the second serial input/output interface circuit; when external remote control is required, the transmission rate of control and data signals is less than or equal to 1mbps, so that the first serial input and output interface circuit and the second serial input and output interface circuit can perform data interaction simultaneously, the data interaction efficiency is improved, and the data interaction is ensured to have low delay; furthermore, when the first serial input/output interface circuit fails to output a line, the second serial input/output interface circuit can be switched to independently perform data interaction, so that redundant configuration of the two serial input/output interface circuits is achieved, and the reliability of data interaction is ensured; the control circuit is used for the medical display equipment and realizes data interaction with the network access equipment accessed to the Ethernet through the Ethernet interface circuit; the control circuit for the medical display equipment realizes data interaction with the U disk or the mobile hard disk with the USB interface through the second USB interface circuit, so that software update can be uploaded conveniently or stored logs and data can be exported and backed up conveniently.
The utility model provides a control circuit for medical display device adopts the embedded core micro-processing controller 1 that the cost is lower, realizes the display control in medical institution or relevant place, on the basis of realizing signal processing and control, has reduced hardware configuration cost, has saved medical display device's purchasing cost, guarantees the high transmissibility and the reliability of data simultaneously.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A control circuit for medical display equipment is characterized by comprising a core microprocessor controller (1), a display module (2), an audio module (3), a data acquisition module (4) and a data interaction module (5); the display module (2), the audio module (3), the data acquisition module (4) and the data interaction module (5) are all in circuit connection with the core micro-processing controller (1).
2. The control circuit for medical display devices according to claim 1, wherein said core microprocessor controller (1) is provided with an RGB888 bus interface; the display module (2) comprises a display signal conversion circuit, a display control circuit and a display screen; the signal conversion circuit comprises a display signal input end and a display signal output end; the display signal output end, the display control circuit and the display screen are sequentially connected in a circuit manner; the display signal input end is connected with the RGB888 bus interface through a cable conforming to the RGB888 bus standard transmission protocol; the display signal output end is an output interface which accords with VGA standard, and the output ends are connected through the display control circuit which accords with VGA standard transmission protocol.
3. The control circuit for a medical display apparatus according to claim 2, further comprising an audio signal processing chip for performing an audio signal encoding process and an audio signal decoding process; the audio signal processing chip and the core micro-processing controller (1) are packaged into an integral structure; the audio signal processing chip comprises an audio signal input end and an audio signal output end; the audio signal input end is in circuit connection with the core micro-processing controller (1); the audio signal output end is connected with an FM demodulation module circuit.
4. The control circuit for a medical display device according to claim 3, further comprising a level shift circuit having a first shift interface, a second shift interface, a third shift interface, and a fourth shift interface; the core microprocessor controller (1) is provided with a first USB interface; the first conversion interface is in circuit connection with the first USB interface; the FM demodulation module is provided with a control end, and the second conversion interface is in circuit connection with the control end of the FM demodulation module.
5. The control circuit for a medical display device according to claim 4, further comprising an audio control circuit, wherein said third switching interface is connected to said audio control circuit.
6. The control circuit for a medical display device according to claim 5, wherein the data acquisition module (4) comprises a temperature acquisition module comprising a CAN isolation transceiver module circuit and a first temperature sensor; the CAN isolation transceiver module circuit comprises a first signal conduction circuit; and the temperature signal output end of the temperature sensor is connected with the input end of the first signal conduction circuit.
7. The control circuit for a medical display device of claim 6, wherein the temperature acquisition module further comprises a second temperature sensor, the CAN isolation transceiver module circuit comprises a second signal conducting circuit; and the signal output end of the second temperature sensor is connected with the input end of the second signal conduction circuit.
8. The control circuit for a medical display device according to claim 7, wherein the output of the first signal conducting circuit and the output of the second signal conducting circuit are each electrically connected by a CAN isolation bus cable conforming to the CAN isolation bus transmission protocol.
9. The control circuit for a medical display device according to claim 8, wherein the data acquisition module (4) further comprises a GPS signal acquisition module, and the GPS signal acquisition module is in circuit connection with the fourth conversion interface.
10. The control circuit for medical display device according to claim 9, wherein the data interaction module (5) comprises a first serial input output interface circuit, a second serial input output interface circuit, an ethernet interface circuit and a second USB interface circuit; the first serial input/output interface circuit, the second serial input/output interface circuit, the Ethernet interface circuit and the second USB interface circuit are all connected with the core micro-processing controller (1) through circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021219255.4U CN212724662U (en) | 2020-06-28 | 2020-06-28 | Control circuit for medical display equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021219255.4U CN212724662U (en) | 2020-06-28 | 2020-06-28 | Control circuit for medical display equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212724662U true CN212724662U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021219255.4U Active CN212724662U (en) | 2020-06-28 | 2020-06-28 | Control circuit for medical display equipment |
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|---|---|
| CN (1) | CN212724662U (en) |
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- 2020-06-28 CN CN202021219255.4U patent/CN212724662U/en active Active
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