CN209299347U - A kind of hospital ward calling system based on ZigBee and CAN bus - Google Patents

Abstract

The utility model discloses a kind of hospital ward calling system based on ZigBee and CAN bus, belongs to hospital nursing administration field, including ZigBee terminal module, ZigBee coordinator module, CAN bus module.ZigBee calling terminal receives the call signal of each bed in ward；ZigBee tuning controller receives the call signal of each bed ZigBee calling terminal wireless transmission in a manner of Star Network in ward；Received call information is transmitted on the display unit of nurse station CAN master controller by each ward ZigBee tuning controller by CAN bus, display unit can display real-time the call information in each ward, and have auditory tone cues, facilitate nurse station to obtain information in ward in time.

Description

A kind of hospital ward calling system based on ZigBee and CAN bus

Technical field

The utility model relates to a kind of hospital ward calling system based on ZigBee and CAN bus, belongs to hospital care Management domain.

Background technique

Hospital ward calling system generally uses wireline call control mode, but this mode is there are field wiring complexity, The problems such as amount of wiring is big increases field erected difficulty, poor reliability, and increases or decreases a point in call, Dou Yaogeng Change field wiring, so that the limited flexibility of system.

Another way is that sick room calling system all uses wireless calling control mode, and the calling terminal in ward will exhale It makes signal be sent wirelessly and gives nurse station master controller, reduce field wiring, flexibility also enhances.But due to general Hospital ward outerplanar distributed architecture is complicated, and wireless signal is easy to be hindered by building when nurse station transmits to outside ward in ward Gear, cannot be correctly received call signal so as to cause nurse station.

The design combines mode using wireless and cable network, i.e., wireless network transmissions mode, ward are used in ward It is outer to use cable-network transmission mode, to solve the problems, such as that wireless signal is stopped by building.

Summary of the invention

The technical problem to be solved by the utility model is in view of the deficiency of the prior art, provide one kind to be based on The hospital ward calling system of ZigBee and CAN bus.

A kind of hospital ward calling system based on ZigBee and CAN bus described in the utility model, it includes ZigBee Terminal module, ZigBee coordinator module, CAN bus module.

ZigBee terminal module includes ZigBee calling terminal, call button；ZigBee coordinator module includes ZigBee Tuning controller, CAN adapter；CAN bus module include CAN master controller, power supply unit, keyboard unit, display unit, Alarm unit.

ZigBee calling terminal receives call button signal, and is sent to ZigBee by ZigBee wireless network and coordinates control Device processed.

For issuing call signal, the output end of call button is connected call button with ZigBee calling terminal input terminal.

ZigBee tuning controller receives call information by wireless network, and call information is passed by CAN adapter It is sent in CAN bus.

CAN master controller receives the calling that each ZigBee tuning controller is transmitted in CAN bus by CAN adapter Information, and real-time display on the display unit.

Power supply unit provides working power for CAN master controller.

Keyboard unit is for the response of call signal and the setting of relevant information, output end and the center CAN of keyboard unit The input terminal of controller is connected.

Display unit is used for the call information in each ward of real-time display, the output end and display unit of CAN master controller Input terminal be connected.

Call signal is incoming for prompting nurse to have for alarm unit, the output end of CAN master controller and alarm unit Input terminal is connected.

The advantages of the utility model: the utility model uses ZigBee wireless network and CAN bus technology, uses in ward Wireless network is received call information by ZigBee tuning controller and is transmitted in CAN bus；CAN bus net is used outside ward Network is connected the ZigBee tuning controller in each ward by CAN bus, then call information is transmitted to nurse by CAN bus On the CAN master controller stood, and display call information on the display unit, so as to nurse's real-time monitoring.The system has cloth Line is few, failure rate is low, calling set can be carried, point in call increase and decrease is flexible, stable signal transmission is not hindered by building reliably, The advantages that gear.

Detailed description of the invention

Fig. 1 is that a kind of network of hospital ward calling system based on ZigBee and CAN bus described in the utility model is opened up Flutter figure.

Fig. 2 is a kind of overall knot of hospital ward calling system based on ZigBee and CAN bus described in the utility model Composition.

Fig. 3 is a kind of ZigBee of hospital ward calling system based on ZigBee and CAN bus described in the utility model Terminal module schematic diagram.

Fig. 4 is a kind of ZigBee of hospital ward calling system based on ZigBee and CAN bus described in the utility model Coordinator module schematic diagram.

Fig. 5 is a kind of CAN bus of hospital ward calling system based on ZigBee and CAN bus described in the utility model Module principle figure.

Specific embodiment

Specific embodiment: illustrate that present embodiment, one kind described in present embodiment are based below with reference to Fig. 1, Fig. 2 The hospital ward calling system of ZigBee and CAN bus, it includes ZigBee terminal module 1, ZigBee coordinator module 2, CAN Bus module 3；ZigBee terminal module 1 includes ZigBee calling terminal 1.1, call button 1.2；ZigBee coordinator module 2 Including ZigBee tuning controller 2.1, CAN adapter 2.2；CAN bus module 3 includes CAN master controller 3.1, power supply list First 3.2, keyboard unit 3.3, display unit 3.4, alarm unit 3.5.

ZigBee calling terminal 1.1 and ZigBee tuning controller 2.1 are realized using the single-chip microcontroller of model CC2530； CAN adapter 2.2 is realized using the CAN transceiver of model TJA1050 and the CAN controller of model SJA1000T；CAN The single-chip microcontroller of 3.1 model STC32F103RCT6 of master controller is realized.

Embodiment is described with reference to Fig. 3, and ZigBee calling terminal 1.1 receives 1.2 signal of call button, and passes through ZigBee wireless network is sent to ZigBee tuning controller 2.1.

Call button 1.2 is lighted when call button is pressed with lampet, call button lifts for issuing call signal Lampet extinguishes afterwards, and patient often presses call button, and ZigBee calling terminal can receive a call signal.

The output end of call button 1.2 is connected with the P0.7 of ZigBee calling terminal 1.1.

Embodiment is described with reference to Fig. 4, and ZigBee tuning controller 2.1 acquires each ZigBee calling terminal 1.1 To call signal be transmitted in CAN bus by wireless network real-time reception and by CAN adapter 2.2.

The output end P1.0 of CAN controller AD0 ~ AD7 pin and ZigBee tuning controller 2.1 in CAN adapter 2.2 ~ P1.7 connection.

CAN transceiver serial ports in CAN adapter 2.2 is connected with CAN controller serial ports, the output end of CAN transceiver CANH and CANL are connected with CAN bus.

Embodiment is described with reference to Fig.5, and CAN master controller 3.1 receives each ZigBee tuning controller 2.1 passes through CAN adapter 2.2 is transmitted to the call information in CAN bus, and real-time display on the display unit.

Power supply unit 3.2 is that CAN master controller 3.1 provides working power.

Keyboard unit 3.3 is for the response of call signal and the setting of relevant information；

16 keys of keyboard unit 3.3, comprising:

1. listening key indicates that the call signal is responded for responding call signal after pressing；

2. upper and lower key, selection operation when being arranged for response and information；

3. set key, for adding, modifying or deleting point in call；

4. acknowledgement key, confirmation when for information setting；

5.0 ~ 9 keys, for number setting；

6. key is retracted, for modifying input information setting.

The output end of keyboard unit 3.3 is connected with PC0 ~ PC7 of CAN master controller 3.1.

Display unit 3.4 is used for real-time display call information, and call information includes ward number and bed number.

The input terminal of display unit 3.4 is connected with PB0 ~ PB7 of CAN master controller 3.1.

Alarm unit 3.5 is passed to alarm for realizing call information and reminds.

Alarm unit 3.5 includes buzzer LS1, diode D2, NPN triode Q1 and resistance R3, CAN master controller One end of 3.1 PC8 pin connection resistance R3, the base stage of the other end connection NPN triode Q1 of resistance R3, NPN triode Q1 Grounded collector, NPN triode Q1 emitter connection buzzer LS1 cathode power supply terminal, buzzer LS1 anode supply Electric terminal meets power supply VCC, and diode D3 cathode connects power supply VCC, and anode connects the cathode power supply terminal of buzzer LS1.

Claims (6)

1. a kind of hospital ward calling system based on ZigBee and CAN bus, which is characterized in that including ZigBee terminal module (1), ZigBee coordinator module (2), CAN bus module (3)；

ZigBee terminal module (1) includes ZigBee calling terminal (1.1), call button (1.2)；

ZigBee coordinator module (2) includes ZigBee tuning controller (2.1), CAN adapter (2.2)；

CAN bus module (3) includes CAN master controller (3.1), power supply unit (3.2), keyboard unit (3.3), display unit (3.4), alarm unit (3.5)；

ZigBee calling terminal (1.1) receives call button (1.2) signal；

Call button (1.2) is for issuing call signal, output end and ZigBee calling terminal (1.1) of call button (1.2) Input terminal be connected；

The collected call signal of each ZigBee calling terminal (1.1) is passed through wireless network by ZigBee tuning controller (2.1) Network receives, and is in real time transmitted to call information in ward in CAN bus by CAN adapter (2.2)；

CAN master controller (3.1) receives each ZigBee tuning controller (2.1) and is transmitted to CAN by CAN adapter (2.2) Call information in bus, and the real-time display on display unit (3.4)；

Power supply unit (3.2) is that CAN master controller (3.1) provide working power；

Keyboard unit (3.3) for call information response and relevant information setting, the output end of keyboard unit (3.3) with The input terminal of CAN master controller (3.1) is connected；

Display unit (3.4) is used to show the call information in each ward, and the output end of CAN master controller (3.1) and display are single The input terminal of first (3.4) is connected；

Alarm unit (3.5) is for prompting have call information to need response, the output end of CAN master controller (3.1) and alarm The input terminal of unit (3.5) is connected.

2. a kind of hospital ward calling system based on ZigBee and CAN bus according to claim 1, which is characterized in that ZigBee calling terminal (1.1) and ZigBee tuning controller (2.1) are realized using the single-chip microcontroller of model CC2530；CAN Adapter (2.2) is realized using the CAN transceiver of model TJA1050 and the CAN controller of model SJA1000T；CAN Master controller (3.1) is realized using the single-chip microcontroller of model STC32F103RCT6.

3. a kind of hospital ward calling system based on ZigBee and CAN bus according to claim 1, which is characterized in that Call button (1.2) includes key S1, light emitting diode D1, resistance R1 and resistance R2 to realize, one end ground connection of key S1 is pressed The other end of key S1 passes through the cathode of resistance R1 connection light emitting diode D1, and the anode of light emitting diode D1 meets power supply VCC, simultaneously The ungrounded end of S1 is connect with the P0.7 pin of ZigBee calling terminal (1.1), and resistance R2 is pull-up resistor.

4. a kind of hospital ward calling system based on ZigBee and CAN bus according to claim 1, which is characterized in that Keyboard unit (3.3) uses 4x4 matrix keyboard, and the PC0 of the output end of keyboard unit (3.3) and CAN master controller (3.1)~ PC7 is connected.

5. a kind of hospital ward calling system based on ZigBee and CAN bus according to claim 1, which is characterized in that Display unit (3.4) uses LED display, and the PB0 of the input terminal of display unit (3.4) and CAN master controller (3.1)~ PB7 is connected.

6. a kind of hospital ward calling system based on ZigBee and CAN bus according to claim 1, which is characterized in that Alarm unit (3.5) includes buzzer LS1, diode D2, NPN triode Q1 and resistance R3, CAN master controller (3.1) One end of PC8 connection resistance R3, the base stage of the other end connection NPN triode Q1 of resistance R3, the collector of NPN triode Q1 connect Ground, the cathode power supply terminal of the emitter connection buzzer LS1 of NPN triode Q1, the positive power supply terminal of buzzer LS1 connect electricity Source VCC, diode D2 cathode connect power supply VCC, and anode connects the cathode power supply terminal of buzzer LS1.