CN207008354U - A kind of tooth chair control system based on RS485 communications - Google Patents
A kind of tooth chair control system based on RS485 communications Download PDFInfo
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- CN207008354U CN207008354U CN201720884958.0U CN201720884958U CN207008354U CN 207008354 U CN207008354 U CN 207008354U CN 201720884958 U CN201720884958 U CN 201720884958U CN 207008354 U CN207008354 U CN 207008354U
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- tooth chair
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Abstract
The utility model discloses a kind of tooth chair control system based on RS485 communications, belong to tooth chair control technology field.It is made up of master control borad, pedal, main keypad, auxiliary control plate and angular measurement plate；Described master control borad is the control core of system, and described master control borad is communicated to connect with main keypad, pedal, auxiliary control plate using RS485 respectively；Communication is completed using Hardware I IC interfaces between described master control borad and angular measurement plate.Communication distance increase, the cabling be easy to inside tooth chair and without considering distance factor；Communication line of the present utility model is simple, only two differential signal line cans are needed to complete communication between master control borad and keypad, the circuits to be communicated compared to some other use Parallel I/O modes, the stability of system is more improved while wiring cost is reduced；The demand of different dental clinic is disclosure satisfy that, the memory bit function of system can improve the efficiency of dentist's operation；Using multiple limit switches, the safe and reliable of tooth chair physically ensure that.
Description
Technical field
A kind of tooth chair control system based on RS485 communications is the utility model is related to, belongs to tooth chair control technology field.
Background technology
The tooth chair of early stage is mainly manually adjusted, and the process of tooth chair development is continuous iteration and renewal；From 17 generation
Gloomy horse chair and the electric tooth chair and hydraulic pressure tooth chair that occur now of the bow and arrow chair of discipline to 18th century；Tooth chair function is increasingly perfect,
Tooth chair is from manual control, to semiautomatic control to the utility model with the Automatic Control for remembering position；The tooth chair control of in the market
System system is mostly the complicated control platform based on operating system.
The content of the invention
Part in order to overcome the above-mentioned deficiencies of the prior art, tooth chair control system provided by the utility model are using " naked
The mode of machine " by RS485 communication modes come realize to tooth chair control solution, the system real time is good, interface towards
Different tooth chair expansions is good, integrated cost is low, cost-effective.
The utility model is achieved by the following technical solution：A kind of tooth chair control system based on RS485 communications, its
It is characterised by：It is made up of master control borad, pedal, main keypad, auxiliary control plate and angular measurement plate；Described master control borad is system
Control core, described master control borad are communicated to connect with main keypad, pedal, auxiliary control plate using RS485 respectively；Described master control
Communication is completed using Hardware I IC interfaces between plate and angular measurement plate.
Further, described angular measurement plate includes backrest angle measurement plate and chair angle measurement plate.
Further, described angular measurement plate completes the measurement and storage of multiple tooth chair memory positions, by high-precision
Six axle angular transducers（MPU6050）The angular surveying to tooth chair back and cushion is completed, measured value is possibly stored to system
In EEPROM, so as to realize the setting of tooth chair memory position.
Further, described master control borad is worked with main keypad, pedal, auxiliary control plate using more host modes, if
There is control platform to have order, then the control platform is just selected as main frame, and other is slave, when the control platform is completed to control
After the transmission task of order, RS485 buses will be discharged, all devices just belong to the slave of silence.
Further, described master control borad uses MAX485 circuit conducts with main keypad, pedal, auxiliary control plate respectively
RS485 communication Key Circuits.
Further, described master control borad carries limit switch, the scope of control tooth chair action.
The beneficial effects of the utility model are：1st, advantage is compared with traditional tooth chair control system, and communication distance increases
Add, so facilitate the cabling inside tooth chair and do not have to consider distance factor；Communication line is simple, between master control borad and keypad
Only two differential signal line cans are needed to complete communication, compared to some other circuits to be communicated using Parallel I/O modes,
The stability of system is more improved while reducing wiring cost.
2nd, the system can realize that multiple memory positions set function, disclosure satisfy that the demand of different dental clinic, system
Memory bit function can improve the efficiency of dentist's operation, facilitate the daily operation custom of dentist.
3rd, tooth chair control security and reliability can be realized using the system, is compared with traditional control system, the system
Using multiple limit switches, the safe and reliable of tooth chair physically ensure that.
Brief description of the drawings
The utility model is further illustrated below according to drawings and examples.
Fig. 1 is system block diagram of the present utility model.
Fig. 2 is MAX485 circuit theory diagrams of the present utility model.
Embodiment
A kind of tooth chair control system based on RS485 communications as depicted in figs. 1 and 2, it is characterised in that：By master control borad,
Pedal, main keypad, auxiliary control plate and angular measurement plate composition；Described master control borad is the control core of system, described master
Plate is controlled to communicate to connect using RS485 with main keypad, pedal, auxiliary control plate respectively；Described master control borad and angular measurement plate it
Between using Hardware I IC interfaces complete communication.
Described angular measurement plate includes backrest angle measurement plate and chair angle measurement plate.
Described angular measurement plate completes the measurement and storage of multiple tooth chair memory positions, is passed by high-precision six shaft angles degree
Sensor（MPU6050）The angular surveying to tooth chair back and cushion is completed, measured value is possibly stored in the EEPROM of system, from
And the setting of tooth chair memory position is realized, realize the function that the memory position power down of tooth chair is not lost.
Described master control borad is cooperated using multiprocessor with main keypad, pedal, auxiliary control plate, therefore wants to realize
Multimachine exclusive reference communicates, it is necessary to which, using the mode of operation of more main frames, traditional more host modes mainly use one master and multiple slaves
Mode, i.e., in system only have a main frame, other is slave, and the mode of one master and multiple slaves is host computer polls slave, if slave
Main frame will be replied by being polled to, and otherwise just not replied.And the utility model is realized using more host modes, multi-host communication side
Formula, if control platform has order, then the control platform is just selected as main frame, and other is slave, when the control platform
After the transmission task for completing control command, RS485 buses will be discharged, all devices just belong to the slave of silence.
Described master control borad is communicated pass with main keypad, pedal, auxiliary control plate using MAX485 circuits as RS485 respectively
Key component.
Described master control borad is connected with main keypad using 4 lines, the network connected respectively be VCC networks in Fig. 2,
GND networks, 485_A networks, 485_B networks.The mode that auxiliary control plate, pedal and master control borad connect, with main keypad and master control
The mode of plate connection is consistent.
System is from MAX485 as RS485 communication key componentses.The circuit used is MAX485 databooks provide
Typical circuit.For the ease of the debugging of system, there is provided two communication indicator lamps of DS3, DS4, wherein DS3 is used to refer to system
Data are received, DS4 is used to refer to system and sends data.
Described master control borad and angular measurement plate（MPU6050 modules）Communication is realized using Hardware I IC modes.Due to
MPU6050 carries Hardware I IC interfaces, and the single-chip microcomputer of master control borad has also carried Hardware I IC interfaces, completed the data to MPU6050
Interaction, realize the function of tooth chair memory position.
Described master control borad carries limit switch, the scope that can effectively control tooth chair to act, it is ensured that the peace of tooth chair
It is complete reliable, the judgement of tooth chair limit switch, it is placed in the timer interruption of single-chip microcomputer and is inquired about.
Claims (5)
- A kind of 1. tooth chair control system based on RS485 communications, it is characterised in that：By master control borad, pedal, main keypad, auxiliary Control plate and angular measurement plate composition；Described master control borad is the control core of system, described master control borad respectively with main keypad, Pedal, auxiliary control plate are communicated to connect using RS485；It is complete using Hardware I IC interfaces between described master control borad and angular measurement plate Into communication.
- A kind of 2. tooth chair control system based on RS485 communications according to claim 1, it is characterised in that：Described angle Measurement plate includes backrest angle measurement plate and chair angle measurement plate.
- A kind of 3. tooth chair control system based on RS485 communications according to claim 1, it is characterised in that：Described angle Measurement plate completes the measurement and storage of multiple tooth chair memory positions, passes through high-precision six axles angular transducer MPU6050 completions pair The angular surveying of tooth chair back and cushion, measured value are possibly stored in the EEPROM of system, so as to realize tooth chair memory position Set.
- A kind of 4. tooth chair control system based on RS485 communications according to claim 1, it is characterised in that：Described master control Plate is communicated Key Circuit with main keypad, pedal, auxiliary control plate using MAX485 circuits as RS485 respectively.
- A kind of 5. tooth chair control system based on RS485 communications according to claim 1, it is characterised in that：Described master control Plate carries limit switch, the scope of control tooth chair action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720884958.0U CN207008354U (en) | 2017-07-20 | 2017-07-20 | A kind of tooth chair control system based on RS485 communications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720884958.0U CN207008354U (en) | 2017-07-20 | 2017-07-20 | A kind of tooth chair control system based on RS485 communications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207008354U true CN207008354U (en) | 2018-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720884958.0U Expired - Fee Related CN207008354U (en) | 2017-07-20 | 2017-07-20 | A kind of tooth chair control system based on RS485 communications |
Country Status (1)
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| CN (1) | CN207008354U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109247008A (en) * | 2018-10-30 | 2019-01-18 | 重庆隆成电子设备有限公司 | A kind of soft or hard make-up machine and pasting method |
| CN115089425A (en) * | 2022-06-22 | 2022-09-23 | 佛山市思福特医疗设备有限公司 | Foot switch for dental chair |
-
2017
- 2017-07-20 CN CN201720884958.0U patent/CN207008354U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109247008A (en) * | 2018-10-30 | 2019-01-18 | 重庆隆成电子设备有限公司 | A kind of soft or hard make-up machine and pasting method |
| CN115089425A (en) * | 2022-06-22 | 2022-09-23 | 佛山市思福特医疗设备有限公司 | Foot switch for dental chair |
| CN115089425B (en) * | 2022-06-22 | 2024-01-12 | 佛山市思福特医疗设备有限公司 | Foot switch for dental chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20180720 |