CN212112184U - Portable medical electron bedside card and system - Google Patents
Portable medical electron bedside card and system Download PDFInfo
- Publication number
- CN212112184U CN212112184U CN202021052334.0U CN202021052334U CN212112184U CN 212112184 U CN212112184 U CN 212112184U CN 202021052334 U CN202021052334 U CN 202021052334U CN 212112184 U CN212112184 U CN 212112184U
- Authority
- CN
- China
- Prior art keywords
- signal
- electronic
- card
- receiving circuit
- current signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
The application discloses portable medical electron bedside card and system for in the occasion of solving extra bed or difficult wiring, current electron bedside card receives the restriction of wiring and installation, can not change the position at will, lacks the problem of flexibility. The electronic bed head card comprises an electronic ink screen; the data receiving circuit receives the wireless signal, converts the received alternating current signal into a direct current signal and inputs the direct current signal into the microprocessor; the power supply receiving circuit is used for receiving the wireless electric energy signal, converting the received alternating current signal into a stable direct current signal and supplying power to the electronic bedside card; and the microprocessor is connected with the electronic ink screen and the data receiving circuit, demodulates the direct current signal from the data receiving circuit into a data signal and controls the display content of the electronic ink screen.
Description
Technical Field
The application relates to the technical field of medical bedside cards, in particular to a movable medical electronic bedside card and a system.
Background
In hospitals, a bedside card is usually arranged on a hospital bed for displaying basic information of patients, including identity information, treatment information and the like.
The bed card comprises a paper bed card, an electronic bed card and the like, wherein the electronic bed card is convenient for modifying display content and managing, and has a wide application range.
However, the existing electronic bedside card is usually fixed to the hospital bed, and needs to be powered by a wired power supply. The electronic bed head card is limited by wiring and installation, so that the position of the bed head card is inconvenient to change when a hospital is added or the position of a hospital bed is changed, and the flexibility is lacked.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application provides a movable medical electronic bedside card and a system, which are used for solving the problems that in the occasion of adding a bed or not being easy to wire, the existing electronic bedside card is limited by wire arrangement and installation, cannot be randomly changed in position and is lack of flexibility.
The utility model provides a portable medical electron bedside card that provides of embodiment includes:
an electronic ink screen;
the data receiving circuit receives the wireless signal, converts the received alternating current signal into a direct current signal and inputs the direct current signal into the microprocessor;
the power supply receiving circuit is used for receiving the wireless electric energy signal, converting the received alternating current signal into a stable direct current signal and supplying power to the electronic bedside card;
and the microprocessor is connected with the electronic ink screen and the data receiving circuit, demodulates the direct current signal from the data receiving circuit into a data signal and controls the display content of the electronic ink screen.
In one example, the data receiving circuit includes a transistor; the triode receives the oscillation signal and outputs a square wave signal to the microprocessor according to the conduction or cut-off state of the triode.
In one example, the power supply receiving circuit includes at least a power supply chip, a first coil; the first coil receives the wireless oscillation signal, converts the wireless oscillation signal into a stable direct current signal through the power chip and a peripheral circuit thereof, and supplies power to the electronic bedside card.
The electronic bedside card system for medical use provided by the embodiment of the application comprises any one of the electronic bedside cards, and further comprises:
and the handheld terminal sends a signal to the electronic bedside card in a wireless mode, controls the display content of the electronic bedside card and supplies power to the electronic bedside card.
In one example, the handheld terminal includes transmit circuitry; the transmitting circuit comprises a second capacitor, a second coil, a first field effect transistor and a second field effect transistor; the second capacitor and the second coil form an LC oscillating circuit; the transmitting circuit controls the frequency and the amplitude of the LC oscillating circuit through a first field effect tube and a second field effect tube, and transmits signals through the second coil.
In one example, the first fet and the second fet operate in opposite states at the same time.
In one example, the first field effect transistor is connected with a first pulse width modulation signal, and the second field effect transistor is connected with a second pulse width modulation signal; the first pulse width modulation signal and the second pulse width modulation signal are respectively input with square wave signals with opposite phases.
In one example, the first field effect transistor is an N-type MOS transistor, and the second field effect transistor is a P-type MOS transistor.
The embodiment of the application provides a portable medical electron bedside card and system, includes following beneficial effect at least:
the electronic bedside card can be converted into electric energy according to the received wireless electric energy signal sent by the PDA, so that the power supply of the electronic bedside card is realized. Therefore, the electronic bedside card can provide energy for the electronic bedside card in a wireless power supply mode without wiring or a battery, so that the electronic bedside card is convenient to move, is not limited by wiring or a power supply, can be moved freely and provides convenience for users.
In addition, due to the characteristics of the electronic ink screen, the electronic ink screen consumes power only when the display content is refreshed, and does not consume power during the period of maintaining the display content, so that the power consumption is extremely low.
The electronic bed head card can also convert and demodulate the received wireless signals to obtain data signals modulated by the PDA in the wireless signals, thereby changing the display content of the electronic bed head card at any time and increasing the display flexibility of the electronic bed head card.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a schematic structural diagram of a movable medical electronic bedside card system provided in an embodiment of the present application;
fig. 2 is a schematic diagram of a transmitting circuit of a handheld terminal according to an embodiment of the present disclosure;
fig. 3 is a schematic diagram of a data receiving circuit of the electronic bedside card according to an embodiment of the present disclosure;
fig. 4 is a schematic circuit diagram of a microprocessor of the electronic bedside card according to an embodiment of the present disclosure;
fig. 5 is a schematic circuit diagram of an electronic ink screen of an electronic bedside card according to an embodiment of the present disclosure;
fig. 6 is a schematic diagram of a power supply receiving circuit of the electronic bedside card according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Fig. 1 is a schematic structural diagram of a mobile medical electronic bedside card system according to an embodiment of the present disclosure, where the system includes an electronic bedside card 100 and a handheld terminal (PDA) 200. The electronic bed card 100 and the PDA200 may communicate wirelessly.
Specifically, the electronic bed head card 100 includes an electronic ink screen 110, a data receiving circuit 120, a power receiving circuit 130 and a power supply microprocessor 140. The microprocessor 140 is connected to the electronic ink screen 110, the data receiving circuit 120, and the power receiving circuit 130 is further connected to the electronic ink screen 110 and the data receiving circuit 120 to supply power thereto. The PDA includes a transmit circuit 210.
In the embodiment of the present application, the PDA may wirelessly transmit an oscillation signal to the electronic bed head card 100, supply power to the electronic bed head card 100, and control the display content of the electronic bed head card 100 through the oscillation signal.
In one possible implementation, as shown in fig. 2, the transmitting circuit 210 may include a fet Q1, a fet Q2, a capacitor C0, and a coil L0. The drain electrode of the field effect transistor Q1 is connected with the drain electrode of the field effect transistor Q2, the source electrode of the field effect transistor Q1 is grounded, the grid electrode is connected with the pulse width modulation signal PWM1, the source electrode of the field effect transistor Q2 is connected with a power supply, and the grid electrode is connected with the pulse width modulation signal PWM 2. One end of the capacitor C0 is connected to the drains of the fet Q1 and fet Q2, the other end is connected to one end of the coil L0, and the other end of the coil L0 is grounded.
In practical application, the capacitor C0 and the coil L0 form an LC oscillating circuit. The PWM signals PWM1 and PWM2 may input half-and-half square waves with opposite phase duty ratios to the fets Q1 and Q2, respectively. Accordingly, the fets Q1 and Q2 may be switched between an on state and an off state based on the PWM signal PWM1 and PWM signal PWM2, respectively, to control the frequency and amplitude of the signal generated by the LC tank circuit. Then, the transmission circuit may transmit a signal through the coil L0.
In this embodiment, the PDA may load the corresponding data into the oscillation signal and send it to the electronic bed card, thereby changing the display content of the electronic bed card. Also, the PDA may power the electronic bed card by sending an oscillating signal.
In one embodiment, fet Q1 is an N-type MOS transistor and fet Q2 is a P-type MOS transistor.
The electronic ink screen 110 in the electronic bed head card 100 is connected to a microprocessor through a Serial Peripheral Interface (SPI), and the microprocessor can send data to the electronic ink screen through the SPI to control the display content of the electronic ink screen. In addition, the electronic ink screen only consumes power when the display content is refreshed, and does not consume power during the period of maintaining the display content, so that the electronic ink screen has the advantages of low power consumption and less power consumption.
The electronic bedside card 100 includes a data receiving circuit 120, and the data receiving circuit 120 can receive the oscillation signal transmitted from the PDA in a wireless manner when the PDA approaches, and convert the oscillation signal into a square wave signal in the electronic bedside card 100 for the microprocessor 140 to recognize, and demodulate the square wave signal by the microprocessor 140.
In one possible implementation, as shown in fig. 3, the data receiving circuit 120 may include a resistor R11, a resistor R13, a resistor R14, and a transistor Q3. One end of the resistor R14 is connected to the resistor R13, and the other end is grounded. The emitter of the triode Q3 is grounded, the collector is connected with the resistor R11, and the base is connected with the resistor R13. The collector of transistor Q3 is also connected to a pin for microprocessor 140.
The transistor Q3 in the data receiving circuit 120 can convert the received oscillation signal into a corresponding square wave signal according to its on state or off state, and output the square wave signal to the microprocessor 140, and the square wave signal is demodulated by the microprocessor 140 to obtain the data signal carried in the oscillation signal.
In particular, the microprocessor 140 may demodulate the received square wave signal to obtain the data signal loaded into the PDA. The microprocessor 140 can then control the change of the display content of the electronic ink screen 110 according to the obtained data signal.
In one possible implementation, as shown in fig. 3 to 6, the microprocessor 140 is a single chip microcomputer STM32F030F4, and includes pins 1 to 20. Pin 1 is connected to resistor R9. Pin 2 is connected to capacitor C7, the other end of capacitor C7 is grounded, pin 3 is connected to resistor R10 and capacitor C8, the other end of capacitor C8 is grounded, and one end of oscillator Y1 is connected to capacitor C7 and the other end is connected to capacitor C8. Pin 4 connects reset circuit, and capacitor C13 is connected to reset circuit's a branch road, and capacitor C13 ground connection, another branch road connecting resistance R12, resistance R12 is connected the power. One branch of the pin 5 is connected with the capacitor C9, one end of the capacitor C9 is connected with a power supply, the other end of the capacitor C9 is grounded, the other branch of the pin 5 is connected with the capacitor C10, one end of the capacitor C10 is connected with the power supply, and the other end of the capacitor C10 is grounded. Pin 6 is connected to the SPI interface of electronic ink screen 110 and represents DC power. Pin 7 is connected to the SPI interface of electronic ink screen 110 and represents reset port RES. Pin 8 is connected to the SPI interface of electronic ink screen 110 and represents the busy signal. Pin 10 is connected to the SPI interface of electronic ink screen 110 and represents the current sensing CS port. Pin 11 is connected to pin 4SPI interface of electronic ink screen 110 and represents clock signal SCLK. Pin 13 is connected to the SPI interface of electronic ink screen 110, indicating that the digital component serial interface SDI is connected. The pin 15 is connected to the first terminal of the capacitor C11 and the first terminal of the capacitor C12, and is grounded. The pin 16 is connected to the second terminal of the capacitor C11 and the second terminal of the capacitor C12, and is also connected to a power supply. The pin 18 is connected to the data receiving circuit 120 and receives a signal from the data receiving circuit. Pin 19 is connected to pin 3 of connector J2 and represents data interface SWDIO. Pin 20 is connected to pin 4 of connector J2 and represents clock interface SWCLK.
Through the connection of the relevant circuits of the microprocessor, the data receiving circuit and the electronic ink screen, the electronic bedside card can receive the oscillation signal sent by the PDA when the PDA approaches, and the oscillation signal is converted and demodulated to obtain the data signal carried by the PDA, so that the display content of the electronic bedside card is changed accordingly. The data updating method is convenient and fast, the display content of the electronic bed card can be changed at any time according to needs, and the display flexibility of the electronic bed card is improved.
The electronic bed card further comprises a power supply receiving circuit 130, wherein the power supply receiving circuit 130 comprises a power supply chip and a coil, the power supply chip and the coil can inductively receive wireless oscillating signals sent by the PDA, and alternating current signals are converted into direct current signals through the power supply chip and peripheral circuits thereof, so that electric energy is provided for the electronic bed card.
In one possible implementation, the power chip includes 16 pins, as shown in fig. 6. Pin 1 is connected to the gate driving voltage INTVCC, and further connected to the capacitor C3, and the capacitor C3 is grounded. One end of the capacitor C4 is connected to the pin 2, and the other end is connected to the pin 4. Coil L1 has one end connected to pin 4 and the other end connected to pin 8. One branch of the pin 9 is connected to the capacitor C6, the capacitor C6 is connected to ground, and the other branch of the pin 9 is connected to a power supply. Pin 11 is connected in series with resistor R5, resistor R6, and the power supply. Pin 5 and pin 7 are both grounded. The pin 10 is connected to the resistor R5 and the resistor R6, respectively. Pin 13 is connected to resistor R7 and resistor R7 is connected to ground. One branch of the pin 12 is connected to the resistor R4, the resistor R4 is connected to INTVCC, the other branch of the pin 12 is connected to the resistor R8, and the resistor R8 is grounded. One branch of the pin 6 is connected in series with the capacitor C5 and the coil L2, the coil L2 is grounded, the other branch of the pin 6 is connected in series with the diode D2, the diode D1 and the capacitor C2, the capacitor C2 is further connected with the capacitor C5, one end of the diode D3 is connected with the capacitor C2 and the diode D1, and the other end of the diode D3 is grounded. Pin 7 is connected to INTVCC. One branch of the pin 16 is connected with the resistor R3, the resistor R3 is grounded, the other branch is connected with the resistor R2, and the other end of the resistor R2 is respectively connected with the diodes D1 and D2. A branch of the pin 3 is connected with the capacitor C1, the capacitor C1 is grounded, one branch is respectively connected with the resistor R2, the diode D1 and the diode D2, the other branch is connected with the resistor R1, and the resistor R1 is also connected with the pin 15.
Through the connection of the relevant components in the power supply receiving circuit 130, the oscillation signal sent by the PDA can be received and converted into the energy of the PDA when the PDA approaches, so as to realize the power supply of the electronic bed head card. Therefore, the electronic bedside card can provide energy for the electronic bedside card in a wireless power supply mode without wiring or a battery, so that the electronic bedside card is convenient to move, is not limited by wiring or a power supply, can be moved freely and provides convenience for users.
It should be noted that circuit portions and functions of each component, which are not described in detail in the embodiments of the present application, are typical circuits of corresponding chips, and are the same as existing circuit connections and functions of components, and therefore, detailed description of the present application is omitted here.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. A movable medical electronic bedside card is characterized by comprising:
an electronic ink screen;
the data receiving circuit receives the wireless signal, converts the received alternating current signal into a direct current signal and inputs the direct current signal into the microprocessor;
the power supply receiving circuit is used for receiving the wireless electric energy signal, converting the received alternating current signal into a stable direct current signal and supplying power to the electronic bedside card;
and the microprocessor is connected with the electronic ink screen and the data receiving circuit, demodulates the direct current signal from the data receiving circuit into a data signal and controls the display content of the electronic ink screen.
2. The electronic bed head card of claim 1, wherein the data receiving circuit comprises a transistor;
the triode receives the oscillation signal and outputs a square wave signal to the microprocessor according to the conduction or cut-off state of the triode.
3. The electronic bed head card of claim 1, wherein the power supply receiving circuit includes at least a power supply chip, a first coil;
the first coil receives the wireless oscillation signal, converts the wireless oscillation signal into a stable direct current signal through the power chip and a peripheral circuit thereof, and supplies power to the electronic bedside card.
4. A mobile medical electronic bedside card system comprising an electronic bedside card according to any of claims 1 to 3, the system further comprising:
and the handheld terminal sends a signal to the electronic bedside card in a wireless mode, controls the display content of the electronic bedside card and supplies power to the electronic bedside card.
5. The system of claim 4, wherein the handheld terminal comprises a transmit circuit; the transmitting circuit comprises a second capacitor, a second coil, a first field effect transistor and a second field effect transistor;
the second capacitor and the second coil form an LC oscillating circuit;
the transmitting circuit controls the frequency and the amplitude of a signal generated by the LC oscillating circuit through a first field effect transistor and a second field effect transistor, and transmits the signal through the second coil.
6. The system of claim 5, wherein the first fet and the second fet operate in opposite states at the same time.
7. The system of claim 6, wherein the first fet is coupled to a first pulse width modulated signal and the second fet is coupled to a second pulse width modulated signal;
the first pulse width modulation signal and the second pulse width modulation signal are respectively input with square wave signals with opposite phases.
8. The system of claim 6, wherein the first fet is an N-type MOS transistor and the second fet is a P-type MOS transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021052334.0U CN212112184U (en) | 2020-06-09 | 2020-06-09 | Portable medical electron bedside card and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021052334.0U CN212112184U (en) | 2020-06-09 | 2020-06-09 | Portable medical electron bedside card and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212112184U true CN212112184U (en) | 2020-12-08 |
Family
ID=73614896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021052334.0U Active CN212112184U (en) | 2020-06-09 | 2020-06-09 | Portable medical electron bedside card and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212112184U (en) |
-
2020
- 2020-06-09 CN CN202021052334.0U patent/CN212112184U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204190475U (en) | A kind of wireless charging reflector and wireless charging device | |
| WO2019227977A1 (en) | Wireless charging and communication circuit, wireless electronic device, and wireless charging and communication circuit system | |
| CN212112184U (en) | Portable medical electron bedside card and system | |
| CN205486149U (en) | Can realize wireless power supply's scanning rifle system | |
| CN102916497B (en) | Safety socket for wireless electric energy transmission | |
| CN210836533U (en) | Wireless receiving circuit and wireless control device | |
| CN213185544U (en) | Wireless charging device and system | |
| CN204597641U (en) | A kind of radio energy emitter | |
| CN202871062U (en) | Control device for cervical vertebra rehabilitation device | |
| CN110246464A (en) | Low power consumption electronic price tag device | |
| CN220041145U (en) | Automobile simulation intelligent key card circuit | |
| CN211506721U (en) | WIFI bluetooth module with bluetooth-to-infrared function | |
| CN219227581U (en) | Communication system based on low-power wireless power supply | |
| CN213637402U (en) | Wearable bluetooth motor controller of intelligence | |
| CN217010900U (en) | Signal switch for electric power infrastructure | |
| CN202888975U (en) | Safe wireless power transmission socket | |
| CN205377864U (en) | Intelligence WIFI control module group | |
| CN213186067U (en) | Pulse output control circuit for treating dysmenorrhea | |
| CN203338558U (en) | Wireless power supply photoelectric communication head | |
| CN210640856U (en) | Radio frequency wireless control circuit device | |
| CN210297726U (en) | Power line carrier communication circuit and direct current intelligent power supply system | |
| CN220254716U (en) | Wireless remote control-based power line communication RGB lamp control circuit | |
| CN203722500U (en) | Inversion power source capable of being wirelessly controlled at short range | |
| US11239698B1 (en) | Digitally timed CMOS rectifier for wireless power transfer | |
| CN210807233U (en) | Linkage signal transmitter and linkage device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |