Monitor system
Through infrared communication between infrared system and plug-in box and serial signal conversion of signal encoding unit, communication between multiple parameter modules and main control system is realized, solving the problem of single and limited parameter module of the monitoring device, and improving the portability and monitoring of the device ability.
Patent Information
- Application Number
- CN202323664084.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-29
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-29
AI Technical Summary
The parameter modules of existing monitoring equipment are single and limited, and the expansion method is difficult to meet the need to obtain more sign parameters, resulting in an increase in the size of the equipment and is inconvenient to carry.
The plug-in box using infrared system and parameter module is connected through infrared communication, and the signal transmission unit and signal encoding unit convert the infrared signal into a serial port signal, and the serial port communication is carried out through a microcontroller and the main control system to realize the multiple parameter modules and main control system. Communication.
It effectively solves the problem of single and limited parameter modules, improves the portability of the product, and does not need to add too many interface designs, and realizes monitoring of multiple parameter modules, such as real-time monitoring of parameters such as electrocardiogram, blood pressure, and body temperature.
Smart Images
Figure CN222192375U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical equipment, in particular to a monitor system. Background Art
[0002] With the rapid development of medical technology, more and more vital signs can be monitored, no longer limited to basic vital sign parameters such as ECG, blood oxygen, and blood pressure. However, the parameters monitored by current monitoring equipment are mostly standard parameters of the host. The monitoring parameters are few and single, and it is impossible to expand other parameter modules to collect more vital sign parameters. In order to meet the demand for obtaining more vital sign parameters, monitors that can be connected to parameter modules have emerged, but this expansion method requires adding multiple corresponding parameter module interfaces to the main body of the monitoring device, which will make the monitoring device larger and inconvenient to carry, and is not suitable for smaller monitoring devices. Utility Model Content
[0003] The utility model provides a monitoring instrument system, aiming to solve the problem that the parameter module of the monitoring equipment in the related technology is single and limited, and the expansion mode of the module is difficult to meet the needs.
[0004] In order to solve the above technical problems, the utility model provides a monitoring instrument system, including: an infrared system, a plug-in box configured with a parameter module and a main control system, the plug-in box is communicatively connected to the infrared system, and the main control system is electrically connected to the infrared system; the infrared system includes a signal transmission unit, a signal encoding unit and a single-chip microcomputer, the single-chip microcomputer is electrically connected to the main control system, the signal transmission unit is communicatively connected to the plug-in box, and the signal encoding unit is electrically connected to the signal transmission unit and the single-chip microcomputer respectively.
[0005] Furthermore, the signal transmission unit includes an infrared transceiver, a first magnetic bead, and a second magnetic bead; the first pin of the infrared transceiver is electrically connected to one end of the first magnetic bead, the second pin and the third pin are both electrically connected to the signal encoding unit, the fourth pin is grounded, the fifth pin is electrically connected to one end of the second magnetic bead, the sixth pin, the seventh pin, the eighth pin and the ninth pin are all grounded; the other ends of the first magnetic bead and the second magnetic bead are both electrically connected to a power supply.
[0006] Furthermore, the signal transmission unit also includes a first resistor, a second resistor, a third resistor and a fourth resistor; the first resistor is electrically connected between the first magnetic bead and the infrared transceiver; the second resistor is electrically connected between the signal encoding unit and the second pin of the infrared transceiver; the third resistor is electrically connected between the signal encoding unit and the third pin of the infrared transceiver; and the fourth resistor is electrically connected between the second magnetic bead and the infrared transceiver.
[0007] Furthermore, the signal transmission unit further includes a fifth resistor, one end of the fifth resistor is electrically connected to the fourth pin of the infrared transceiver, and the other end of the fifth resistor is grounded.
[0008] Furthermore, the signal transmission unit also includes a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor and a sixth capacitor; one end of the first capacitor and the second capacitor are electrically connected to one end of the first magnetic bead, and the other ends are grounded; one end of the third capacitor and the fourth capacitor are electrically connected to the common connection end of the second magnetic bead and the fourth resistor, and the other ends are grounded; one end of the fifth capacitor and the sixth capacitor are electrically connected to the common connection end of the fourth resistor and the infrared transceiver, and the other ends are grounded.
[0009] Furthermore, the signal encoding unit includes an infrared codec, a sixth resistor and a seventh resistor; one end of the sixth resistor is electrically connected to the first pin of the infrared codec, and the other end is electrically connected to the single-chip microcomputer; one end of the seventh resistor is electrically connected to the second pin of the infrared codec, and the other end is electrically connected to the single-chip microcomputer.
[0010] Furthermore, the signal encoding unit also includes an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor and a twelfth resistor; one end of the eighth resistor, the ninth resistor and the tenth resistor are respectively electrically connected to the first pin, the third pin and the fourth pin of the infrared codec, and the other ends are electrically connected to the power supply; the eleventh resistor and the twelfth resistor are respectively electrically connected to the fifth pin and the sixth pin of the infrared codec, and the other ends are electrically connected to the power supply.
[0011] Furthermore, the signal encoding unit also includes a seventh capacitor, an eighth capacitor and a ninth capacitor; one end of the seventh capacitor and the eighth capacitor are electrically connected to the seventh pin of the infrared codec, and the other end is grounded; one end of the ninth capacitor is electrically connected to the sixth pin of the infrared codec, and the other end is grounded.
[0012] Furthermore, the seventh pin of the infrared codec is electrically connected to the power supply, the eighth pin and the ninth pin are both connected to the signal transmission unit, the tenth pin is used to electrically connect to the clock signal generator, and the eleventh pin, the twelfth pin and the thirteenth pin are all grounded.
[0013] Furthermore, the signal encoding unit further comprises a diode, an anode of the diode is electrically connected to the sixth pin of the infrared codec, and a cathode of the diode is electrically connected to a power supply.
[0014] From the above description, it can be seen that compared with the related art, the beneficial effects of the present invention are:
[0015] The infrared system is connected to the plug-in box equipped with the parameter module through infrared communication. The infrared system is integrated with a signal transmission unit, which can send and receive infrared signals. At the same time, the infrared system is integrated with a signal encoding unit, which can convert infrared signals into serial port signals and transmit multiple serial port signals to the single-chip microcomputer. After the data is aggregated, it is connected to the main control system through serial port communication. Through the serial port expansion function of the single-chip microcomputer and the infrared communication method, the communication between multiple parameter modules and the main control system is realized, which effectively solves the problem of single and limited parameter modules. At the same time, there is no need to add too many interface designs, which effectively improves the portability of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a structural schematic diagram of a monitor system according to an embodiment of the utility model;
[0017] Figure 2 It is a circuit schematic diagram of a signal transmission unit of an embodiment of the utility model;
[0018] Figure 3 It is a circuit schematic diagram of a signal encoding unit according to an embodiment of the utility model. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In addition, the technical features involved in the various embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.
[0020] In the related art, since there are problems that the parameter modules of the monitoring equipment are single and limited, and the expansion mode of the modules is difficult to meet the needs, for this reason, an embodiment of the utility model provides a monitoring system.
[0021] like Figure 1 The figure shows a schematic diagram of the structure of a monitor system provided by an embodiment of the utility model, the monitor system comprising: an infrared system 100, a plug-in box 200 configured with a parameter module and a main control system 300, the infrared system 100 establishes an electrical connection with the plug-in box 200 through infrared communication, and establishes an electrical connection with the main control system 300 through serial port communication.
[0022] Specifically, the infrared system 100 includes a signal transmission unit 110, a signal encoding unit 120 and a single-chip microcomputer 130. The single-chip microcomputer 130 establishes an electrical connection with the main control system 300 through serial port communication, the signal transmission unit 110 establishes an electrical connection with the plug-in box 200 through infrared communication, and the signal encoding unit 120 is electrically connected to the signal transmission unit 110 and the single-chip microcomputer 130 respectively.
[0023] In this embodiment, the infrared system is connected to a plug-in box equipped with a parameter module through infrared communication. The infrared system is integrated with a signal transmission unit, which can send and receive infrared signals. At the same time, the infrared system is integrated with a signal encoding unit, which can convert infrared signals into serial port signals and transmit multiple serial port signals to the single-chip microcomputer. After the data is aggregated, it is connected to the main control system through serial port communication. Therefore, through the serial port expansion function of the single-chip microcomputer and the infrared communication method, communication between multiple parameter modules and the main control system is realized, which effectively solves the problem of single and limited parameter modules. At the same time, there is no need to add too many interface designs, which effectively improves the portability of the product.
[0024] like Figure 2 FIG. 1 is a circuit diagram of a signal transmission unit provided in this embodiment, see Figure 2 The signal transmission unit 110 includes an infrared transceiver U6, a first magnetic bead FB3, and a second magnetic bead FB4.
[0025] Specifically, the first pin IRED of the infrared transceiver U6 is electrically connected to one end of the first magnetic bead FB3, the second pin TXD and the third pin RXD are both electrically connected to the signal encoding unit 120, the fourth pin SD is grounded, the fifth pin VCC is electrically connected to one end of the second magnetic bead FB4, the sixth pin GND, the seventh pin 7, the eighth pin 8 and the ninth pin 9 are all grounded; the other ends of the first magnetic bead FB3 and the second magnetic bead FB4 are both electrically connected to the power supply.
[0026] In this embodiment, the first pin IRED and the fifth pin VCC of the infrared transceiver U6 are connected to the power supply to access a 3.3V DC power supply to power the infrared transceiver U6. The first magnetic bead FB3 and the second magnetic bead FB4 are respectively connected to the two pins, which can be used to filter out unnecessary noise energy in the transmission line so that the infrared transceiver U6 can obtain stable DC energy; the second pin TXD and the third pin RXD of the infrared transceiver U6 are used to transmit the received infrared signal corresponding to the parameter module to the signal encoding unit 120; the model of the infrared transceiver U6 in this embodiment is TFBS4711, and the model of the first magnetic bead FB3 and the second magnetic bead FB4 are both BLM18PG181SN1.
[0027] For further information, see Figure 2The signal transmission unit 110 further includes a first resistor R38, a second resistor R36, a third resistor R39 and a fourth resistor R41.
[0028] Specifically, the first resistor R38 is electrically connected between the first magnetic bead FB3 and the infrared transceiver U6; the second resistor R36 is electrically connected between the signal encoding unit 120 and the second pin TXD of the infrared transceiver U6; the third resistor R39 is electrically connected between the signal encoding unit 120 and the third pin RXD of the infrared transceiver U6; the fourth resistor R41 is electrically connected between the second magnetic bead FB4 and the infrared transceiver U6.
[0029] In this embodiment, the first pin IRED, the second pin TXD, the third pin RXD, and the fifth pin VCC of the infrared transceiver U6 are all connected in series with a resistor, which can be used to limit the current in the circuit to ensure the stability of the circuit; wherein the resistance values of the first resistor R38, the second resistor R36, the third resistor R39, and the fourth resistor R41 are 300Ω, 47Ω, 47Ω, and 47Ω, respectively.
[0030] Further, see Figure 2 The signal transmission unit 110 further includes a fifth resistor R42, one end of the fifth resistor R42 is electrically connected to the fourth pin SD of the infrared transceiver U6, and the other end is grounded.
[0031] Specifically, in this embodiment, a resistor is also connected in series to the fourth pin SD of the infrared transceiver U6 to ensure that the signal at this end is at a low level, thereby ensuring the stability of the circuit.
[0032] For further information, see Figure 2 The signal transmission unit 110 further includes a first capacitor C29, a second capacitor C30, a third capacitor C32, a fourth capacitor C33, a fifth capacitor C34 and a sixth capacitor C35.
[0033] Specifically, one end of the first capacitor C29 and the second capacitor C30 are electrically connected to one end of the first magnetic bead FB3, and the other ends are grounded; one end of the third capacitor C32 and the fourth capacitor C33 are electrically connected to the common connection end of the second magnetic bead FB4 and the fourth resistor R41, and the other ends are grounded; one end of the fifth capacitor C34 and the sixth capacitor C35 are electrically connected to the common connection end of the fourth resistor R41 and the infrared transceiver U6, and the other ends are grounded.
[0034] In this embodiment, the first pin IRED and the fifth pin VCC of the infrared transceiver U6 are also connected to a capacitor unit, which can be used for filtering to make the input power supply voltage smoother and ensure the stability of the circuit. In this embodiment, the capacitance values of the first capacitor C29, the second capacitor C30, the third capacitor C32, the fourth capacitor C33, the fifth capacitor C34 and the sixth capacitor C35 are 4.7uF, 0.1uF, 4.7uF, 0.1uF, 0.1uF and 4.7uF respectively.
[0035] like Figure 3 FIG. 1 is a circuit diagram of a signal encoding unit provided in this embodiment, see Figure 3 The signal encoding unit 120 includes an infrared codec U5, a sixth resistor R37 and a seventh resistor R40.
[0036] Specifically, one end of the sixth resistor R37 is electrically connected to the first pin RX of the infrared codec U5, and the other end is electrically connected to the single-chip microcomputer 130; one end of the seventh resistor R40 is electrically connected to the second pin TX of the infrared codec U5, and the other end is electrically connected to the single-chip microcomputer 130; the seventh pin VDD of the infrared codec U5 is electrically connected to the power supply, the eighth pin TXIR_1 and the ninth pin RXIR_1 are both connected to the signal transmission unit 110, the tenth pin OSC1 / CLKIN is used to electrically connect to the clock signal generator, and the eleventh pin BAUD1, the twelfth pin BAUD0 and the thirteenth pin VSS are all grounded.
[0037] In this embodiment, the eighth pin TXIR_1 and the ninth pin RXIR_1 of the infrared codec U5 are used to receive the infrared signal transmitted by the infrared transceiver U6, and then the infrared codec U5 performs signal conversion, that is, converting the infrared signals TXIR_1 and RXIR_1 into serial port signals TXD1 and RXD1, and then transmitting the serial port signals to the single-chip microcomputer through the first pin RX and the second pin TX of the infrared codec U5. The single-chip microcomputer can expand the one-way serial port of the main control system into multiple serial ports such as 7-way serial ports to realize the information communication between the main control system and various parameter modules, such as electrocardiogram, non-invasive blood pressure, respiration, body temperature, pulse oxygen saturation, pulse rate, invasive blood pressure, anesthetic gas, non-invasive cardiac output, invasive cardiac output, anesthesia depth, end-tidal carbon dioxide, muscle relaxation, respiratory mechanics, and brain oxygen measurement monitoring. In addition, the first pin RX and the second pin TX of the infrared codec U5 are both connected in series with a current limiting resistor, which can be used to ensure the safety of the device. In this embodiment, the model of the infrared codec U5 is MICROCHIP, and the single-chip microcomputer can use the STM32F446VET6 chip, which has enough serial ports and the memory can meet the needs of most scenarios. The resistance values of the sixth resistor R37 and the seventh resistor R40 are both 47Ω.
[0038] For further information, see Figure 3 The signal encoding unit 120 further includes an eighth resistor R33, a ninth resistor R34, a tenth resistor R31, an eleventh resistor R32 and a twelfth resistor R35.
[0039] Specifically, one end of the eighth resistor R33, the ninth resistor R34 and the tenth resistor R31 are electrically connected to the first pin RX, the third pin EN and the fourth pin BAUD2 of the infrared codec U5, respectively, and the other ends are electrically connected to the power supply; the eleventh resistor R32 and the twelfth resistor R34 are electrically connected to the infrared codec U5. Resistor R 35 are electrically connected to the fifth pin MODE and the sixth pin RESET of the infrared codec U5 respectively, and the other ends are electrically connected to the power supply.
[0040] In this embodiment, the first infrared codec U5 Pinout RX, the third pin EN, the fourth pin BAUD2, the fifth pin MODE, and the sixth pin RESET are all connected in series with a resistor, which can be used to limit current and inject current into the device, thereby increasing the level of the device pin to meet the functional requirements of the device; among them, the resistance values of the eighth resistor R33, the ninth resistor R34, the tenth resistor R31, the eleventh resistor R32 and the twelfth resistor R35 are 10KΩ, 10KΩ, 10KΩ, 10KΩ, and 100KΩ respectively.
[0041] Further, see Figure 3 , the signal encoding unit 120 also includes a seventh capacitor C36, an eighth capacitor C37 and a ninth capacitor C31.
[0042] Specifically, one end of the seventh capacitor C36 and the eighth capacitor C37 are electrically connected to the seventh pin VDD of the infrared codec U5, and the other ends are grounded; one end of the ninth capacitor C31 is electrically connected to the sixth pin RESET of the infrared codec U5. even catch , and the other end is grounded. In addition, the signal encoding unit 120 also Including two A diode (not shown in the figure) has an anode electrically connected to the sixth pin RESET of the infrared codec U6, and a cathode electrically connected to the power supply.
[0043] In this embodiment, infrared Codec The seventh pin VDD and the sixth pin RESET of the device U5 are both connected to capacitors, and the sixth pin RESET is also connected to a diode, wherein the diode and the ninth capacitor C31 can be used to ensure that the infrared codec U5 is normally reset and the reliability of the circuit; the seventh capacitor C36 and the eighth capacitor C37 can be used for filtering to ensure the stability of the input power supply. The capacitance values of the seventh capacitor C36, the eighth capacitor C37 and the ninth capacitor C31 in this embodiment are 0.1uF, 4.7uF and 1uF respectively.
[0044] In the monitor system provided by the embodiment of the utility model, the infrared system is connected to the plug-in box equipped with the parameter module through the infrared communication method. The infrared system is integrated with a signal transmission unit, which can send and receive infrared signals. At the same time, the infrared system is integrated with a signal encoding unit, which can convert the infrared signal into a serial port signal and transmit multiple serial port signals to the single-chip microcomputer. After the data is aggregated, it is connected to the main control system through the serial port communication method, so that the communication between multiple parameter modules and the main control system is realized through the serial port expansion function of the single-chip microcomputer and the infrared communication method, which effectively solves the problem of single and limited parameter modules. At the same time, there is no need to add too many interface designs, which effectively improves the portability of the product.
[0045] It should be noted that the various embodiments in the present invention are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same and similar parts between the various embodiments can be referenced to each other.
[0046] It should also be noted that, in the present invention, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise one..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.
[0047] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined in the present invention may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown in the present invention, but will conform to the widest range consistent with the principles and novel features disclosed in the present invention.
Claims
1. A monitoring system, It is characterized in that include: An infrared system, a plug-in box equipped with a parameter module and a main control system, the plug-in box is communicatively connected to the infrared system, and the main control system is electrically connected to the infrared system; the infrared system includes a signal transmission unit, a signal encoding unit and a single-chip microcomputer, the single-chip microcomputer is electrically connected to the main control system, the signal transmission unit is communicatively connected to the plug-in box, and the signal encoding unit is electrically connected to the signal transmission unit and the single-chip microcomputer respectively.
2. The monitoring system according to claim 1, It is characterized in that The signal transmission unit includes an infrared transceiver, a first magnetic bead, and a second magnetic bead; the first pin of the infrared transceiver is electrically connected to one end of the first magnetic bead, the second pin and the third pin are both electrically connected to the signal encoding unit, the fourth pin is grounded, the fifth pin is electrically connected to one end of the second magnetic bead, the sixth pin, the seventh pin, the eighth pin and the ninth pin are all grounded; the other ends of the first magnetic bead and the second magnetic bead are both electrically connected to a power supply.
3. The monitoring system according to claim 2, It is characterized in that The signal transmission unit also includes a first resistor, a second resistor, a third resistor and a fourth resistor; the first resistor is electrically connected between the first magnetic bead and the infrared transceiver; the second resistor is electrically connected between the signal encoding unit and the second pin of the infrared transceiver; the third resistor is electrically connected between the signal encoding unit and the third pin of the infrared transceiver; the fourth resistor is electrically connected between the second magnetic bead and the infrared transceiver.
4. The monitoring system according to claim 2, It is characterized in that The signal transmission unit further includes a fifth resistor, one end of which is electrically connected to the fourth pin of the infrared transceiver, and the other end of which is grounded.
5. The monitoring system according to claim 3, It is characterized in that The signal transmission unit also includes a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor and a sixth capacitor; one end of the first capacitor and the second capacitor are electrically connected to one end of the first magnetic bead, and the other ends are grounded; one end of the third capacitor and the fourth capacitor are electrically connected to the common connection end of the second magnetic bead and the fourth resistor, and the other ends are grounded; one end of the fifth capacitor and the sixth capacitor are electrically connected to the common connection end of the fourth resistor and the infrared transceiver, and the other ends are grounded.
6. The monitoring system according to claim 1, It is characterized in that The signal encoding unit includes an infrared codec, a sixth resistor and a seventh resistor; one end of the sixth resistor is electrically connected to the first pin of the infrared codec, and the other end is electrically connected to the single-chip computer; one end of the seventh resistor is electrically connected to the second pin of the infrared codec, and the other end is electrically connected to the single-chip computer.
7. The monitoring system according to claim 6, It is characterized in that The signal encoding unit also includes an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor and a twelfth resistor; one end of the eighth resistor, the ninth resistor and the tenth resistor are respectively electrically connected to the first pin, the third pin and the fourth pin of the infrared codec, and the other ends are electrically connected to the power supply; the eleventh resistor and the twelfth resistor are respectively electrically connected to the fifth pin and the sixth pin of the infrared codec, and the other ends are electrically connected to the power supply.
8. The monitoring system according to claim 6, It is characterized in that The signal encoding unit also includes a seventh capacitor, an eighth capacitor and a ninth capacitor; one end of the seventh capacitor and the eighth capacitor are electrically connected to the seventh pin of the infrared codec, and the other end is grounded; one end of the ninth capacitor is electrically connected to the sixth pin of the infrared codec, and the other end is grounded.
9. The monitoring system according to claim 8, It is characterized in that The seventh pin of the infrared codec is electrically connected to the power supply, the eighth pin and the ninth pin are both connected to the signal transmission unit, the tenth pin is used to electrically connect to the clock signal generator, and the eleventh pin, the twelfth pin and the thirteenth pin are all grounded.
10. The monitoring system according to claim 7, It is characterized in that The signal encoding unit further includes a diode, an anode of the diode is electrically connected to the sixth pin of the infrared codec, and a cathode of the diode is electrically connected to a power supply.