CN201707209U - Wrist strap display - Google Patents
Wrist strap display Download PDFInfo
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- CN201707209U CN201707209U CN2008200076053U CN200820007605U CN201707209U CN 201707209 U CN201707209 U CN 201707209U CN 2008200076053 U CN2008200076053 U CN 2008200076053U CN 200820007605 U CN200820007605 U CN 200820007605U CN 201707209 U CN201707209 U CN 201707209U
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Abstract
The utility model belongs to a portable wrist strap data display. Measurement information of four-wheel alignment is obtained in a wireless mode by the wrist strap display, and data is processed through a microprocessor and is displayed on a large-screen display. A circuit is arranged a case of the wrist strap display, and consists of a microprocessor unit, a power supply management unit, wireless data MODEM, a human-computer operation unit and a display unit, wherein the microprocessor unit is respectively connected with the other four units, the microprocessor is responsible for managing the work of each module of the whole machine, analyzing and processing data information sent from the wireless MODEM and displaying results on a display screen after the data is analyzed and judged, the wireless MODEM is responsible for carrying out wireless data exchange with a four-wheel aligner, the power supply management unit is responsible for the charging and discharging management of a battery of the data display, the human-computer operation unit completes the input of outside information through a key board and is used for setting the state of a wrist strap data display, and the utility model provides great convenience for adjusting personnel.
Description
Technical field:
The utility model relates to the detection technique field, and definite saying relates to the auto repair technical field, is a kind of wrist strap display that obtains four-wheel positioning measurement information by wireless mode.
Background technology:
Four-wheel positioning measurement is an important testing in the auto repair.The data message that traditional automobile four-wheel location survey needs to measure is usually displayed on the host display of four-wheel position finder.Because the general volume of four-wheel position finder is bigger, weight is heavier, move very inconvenient, so will read the data message of measurement the time, operating personnel just can read before must arriving the main frame of four-wheel position finder.Therefore automobile being carried out need two bit manipulation personnel usually when the four-wheel location is adjusted, adjust operation for one, one is read measurement data and offers the adjustment personnel.Thereby adjust to measure disconnect, adjusts the very inconvenient also waste when being grown up the employee.
Summary of the invention:
The purpose of this utility model provides a kind of wrist strap data display equipment that can carry, this wrist strap data display equipment obtains the metrical information of four-wheel location by wireless mode, microprocessor through self carries out analyzing and processing to data, and is presented on the large screen display of wrist strap data display equipment.Personnel provide great convenience for adjustment.
The purpose of this utility model is to realize like this, the wrist strap display, it comprises microprocessor unit, wireless data MODEM, Power Management Unit, the human-machine operation unit, display unit, it is characterized in that: circuit is contained in the wrist strap display housing, circuit is by microprocessor unit, Power Management Unit, wireless data MODEM, the human-machine operation unit, display unit is formed, microprocessor unit is connected with other four unit respectively, microprocessor is in charge of the work of each module of complete machine, the data message that analyzing and processing sends from wireless modem, after data are carried out analysis and judgement, the result is presented on the display screen, wireless data MODEM is responsible for and four-wheel position finder carries out wireless data exchange, Power Management Unit is responsible for the battery charging and discharging management of wrist strap data display equipment, the input of external information is finished in the human-machine operation unit by keyboard, be used for setting state to the wrist strap data display equipment, display unit is used for showing measurement data information and system information.The wrist strap display, it comprises microprocessor unit, wireless data MODEM, Power Management Unit, human-machine operation unit, display unit, it is characterized in that: circuit is contained in the wrist strap display housing, circuit is made up of microprocessor unit, Power Management Unit, wireless data MODEM, human-machine operation unit, display unit, and microprocessor unit is connected with other four unit respectively.
Power Management Unit is made of 4 partial circuits: on/off circuit, booster circuit, mu balanced circuit, charging circuit, on/off circuit comprises triode Q4 and triode Q5, wherein resistance R 26 and resistance R 27 formed bleeder circuits and is added on 59 pin of MCU after with the supply voltage dividing potential drop, the relay utmost point of triode Q4 is connected with booster circuit, and booster circuit constitutes the DC/DC booster circuit by the peripheral circuit of integrated circuit LM2733; Booster circuit connects mu balanced circuit, mu balanced circuit is made up of integrated circuit HT7536, HT7550 and capacitor C 1, C2, C8, C9, integrated circuit HT7536 and HT7550 parallel connection, and connect two electric capacity respectively, the emitter of triode Q6 in on/off circuit and the charging circuit is connected, charging circuit is made up of integrated circuit TL431, triode Q6, Q7 and peripheral circuit, and triode Q7 is connected with 26 pin of MCU.
Microprocessor unit comprises that MCU and peripheral circuit thereof partly finish data communication and data presentation, by the MCU microprocessor, liquid crystal display circuit, the data communication circuit, keyboard circuit, clock circuit, buzzer circuit and debug port circuit are formed, 16 single-chip microcomputer MSP430F149 that the MCU microprocessor adopts TI company to release with reduced instruction set computer, the MSP430F149 of liquid crystal display circuit drives the display of the liquid crystal display of 128*64 dot matrix as PDA by P4 and P5 mouth line, resistance R 23, R24 forms bleeder circuit provides dividing potential drop for liquid crystal, regulate liquid crystal contrast of display degree, triode Q8, resistance R 30 is the LCD backlight on-off circuit; The data communication circuit is formed electrical level matching circuit by resistance R 14R15 triode Q2, resistance R 20R21, with the level between coupling MCU connection and communication module, resistance R 13 triode Q1 are used for controlling the switch of communication module power supply, and the wireless data communication module can be selected by narrow sideband wireless data module or blue-teeth data module or Zigbee data module; Resistance R 9-R12 and button J2-J6 form keyboard circuit, receive respectively on 12 to 16 pin of MCU; Clock circuit is made up of integrated circuit DS1302 and peripheral components thereof, and the interface of clock circuit and MCU has three, is respectively the SCK mouth and receives on 20 pin of MCU, and the IO mouth is received on 21 pin of MCU, and the RST mouth is received on 22 pin of MCU; Buzzer circuit is made up of resistance R 9 triode Q3 hummer B1, by the 51 foot control system hummers of MCU sounding whether; The debug port of MCU constitutes the JTAG debug port by resistance R 29 and from the 54 pin-58 pin lead-in wire of MCU, can finish the read/write of application program, work such as on-line debugging by this JTAG debug port.
The utility model has the advantages that: the wrist strap data display equipment can be carried, and measures and the operation of shunting so operating personnel just can finish, and has made things convenient for the adjustment operation of automobile four-wheel location greatly, has improved labour productivity.The wrist strap data display equipment has advantages such as volume is little, in light weight, and intuitive display is convenient, and continuous working period is long, and is easy to carry.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is a sectional view of the present utility model.
Fig. 3 is a principle of work block diagram of the present utility model.
Fig. 4 is a circuit diagram of the present utility model.
Fig. 5 is the circuit diagram of MCU part in the utility model circuit diagram.
1 is that printed board, 2 is that base, 3 is that cradle, 4 is that loam cake, 5 is that button, 6 is that panel, 7 is a screw among the figure.
Embodiment:
Embodiment 1:
The principle of work block diagram of wrist strap data display equipment is shown in figure (4).
The circuit of wrist strap data display equipment constitutes can be divided into two parts, power circuit part a and MCU and peripheral circuit part b thereof.Each parallel circuit all is ripe circuit, and those skilled in the art can connect fully with reference to accompanying drawing and finish the present invention.
1. power circuit part
Power circuit partly is responsible for the battery charging and discharging management and the switching on and shutting down control of wrist strap data display equipment.Power circuit is made of 4 parts: on/off circuit, booster circuit, mu balanced circuit, charging circuit.
(1) on/off circuit
On/off circuit figure is with reference to " power circuit diagram ", and R26 and R27 form bleeder circuit and be added on 59 pin of MCU after with the supply voltage dividing potential drop, use the terminal voltage with MCU monitoring lithium battery.After start key J1 pressed, triode Q4 conducting began to be the complete machine power supply.Same 25 pin as MCU are high level or when the external power supply access is arranged, triode Q5 conducting, triode Q4 conducting, wrist strap data display equipment power supply opening.After wrist strap data display equipment operate as normal, button J1 disconnects, and the switch power supply control of wrist strap data display equipment is that high level is kept by 25 pin of MCU.Press during shutdown more than the J1 key 2S, MCU accepts shutdown command, 25 pin of MCU is put low, power supply circuit is disconnected, wrist strap data display equipment power-off.
(2) booster circuit
Because the communication module of wrist strap data display equipment needs the 5V voltage power supply, and the operating voltage of MCU is 3.6V, and the voltage of lithium battery fluctuates between 2.7-4.2V, thus need booster circuit that lithium battery 2.7-4.2V left and right sides voltage is risen to about 7V, then in voltage stabilizing on required voltage.Booster circuit constitutes the DC/DC booster circuit by the peripheral circuit of integrated circuit LM2733.
(3) mu balanced circuit
Mu balanced circuit is made up of integrated circuit HT7536, HT7550 and capacitor C 1 C2 C8 C9.The low pressure difference set becomes circuit HT7536 to provide stable 3.6V operating voltage for microprocessor.The low pressure difference set becomes circuit HT7550 to provide stable 5V operating voltage for wireless data MODEM.
(4) charging circuit
Charging circuit is made up of integrated circuit TL431, triode Q6 Q7 and peripheral circuit.When external 5V power supply inserted, external power supply voltage was added to diode D7 anode through resistance R 5 R31 dividing potential drops, triode Q5 Q4 conducting, wrist strap data display equipment power supply opening.This voltage is added in 26 pin of MCU simultaneously, after 26 pin of MCU are adopted this pin voltage and are high level, starts charging procedure.Put low 24 pin, and the voltage of monitoring lithium battery, 4.2V surpassed to prevent cell voltage.Resistance R 32 R33 carry out being added to after the dividing potential drop 8 pin of integrated circuit to battery, and when its voltage was lower than 2.5V, integrated circuit TL431 the 1st pin voltage was high level, and triode Q6 Q7 conducting is battery charge.When its voltage was higher than 2.5V, integrated circuit TL431 the 1st pin voltage was low level, and triode Q6 Q7 ends, and stops battery charge.When MCU detected battery and is higher than 4.2V, its 24 pin was a high level, is added to the anode of diode D6, and forcing integrated circuit TL431 the 1st pin voltage is low level, and triode Q6 Q7 ends, and stops battery charge.Charging finishes.
2.MCU and peripheral circuit part
MCU and peripheral circuit thereof are partly finished data communication and data presentation, are made up of MCU microprocessor, liquid crystal display circuit, data communication circuit, keyboard circuit, clock circuit, buzzer circuit and debug port circuit.
(1) MCU microprocessor
The MCU microprocessor is in charge of the work of each module of complete machine, the data message that analyzing and processing sends from wireless modem.After data are carried out analysis and judgement, the result is presented on the display screen.16 single-chip microcomputer MSP430F149 that the MCU microprocessor adopts TI company to release with reduced instruction set computer, it can move under the condition of 1.8-3.6V voltage 1MHz frequency, power consumption can be controlled in about 200 μ A during operate as normal, and low-power consumption mode can be realized the low-power consumption of 2 μ A even 0.1 μ A.Crystal oscillator XT1 and capacitor C 10 C11 form the concussion loop, are the master clock source of MCU.
(2) liquid crystal display circuit
MSP430F149 drives the display of the liquid crystal display of 128*64 dot matrix as PDA by P4 and P5 mouth line.Resistance R 23 R24 form bleeder circuit provides dividing potential drop for liquid crystal, regulates liquid crystal contrast of display degree.Triode Q8, resistance R 30 are the LCD backlight on-off circuit.
(3) data communication circuit
Resistance R 14 R15 triode Q2, resistance R 20 R21 form electrical level matching circuit, with the level between coupling MCU connection and communication module.Resistance R 13 triode Q1 are used for controlling the switch of communication module power supply.The wireless data communication module can be selected according to actual needs by narrow sideband wireless data module, blue-teeth data module, Zigbee data module.
(4) keyboard circuit
Resistance R 9-R12 and button J2-J6 form keyboard circuit, receive respectively on 12 to 16 pin of MCU.Keyboard is finished the input of external information, is used for setting state to the wrist strap data display equipment
(5) clock circuit
Clock circuit is made up of integrated circuit DS1302 and peripheral components thereof, and the interface of clock circuit and MCU has three, is respectively the SCK mouth and receives on 20 pin of MCU, and the IO mouth is received on 21 pin of MCU, and the RST mouth is received on 22 pin of MCU.MCU finishes the read-write and the change operation of clock by the clock driver.
(6) buzzer circuit
Buzzer circuit is made up of resistance R 9 triode Q3 hummer B1, by the 51 foot control system hummers of MCU sounding whether.
(7) debug port
The debug port of MCU is reached from the 54 pin-58 pin lead-in wire of MCU by resistance R 29 and constitutes the JTAG debug port.Can finish the read/write of application program, work such as on-line debugging by this JTAG debug port.
Connect with reference to the circuit theory accompanying drawing, write application program, be installed in after the debugging in the plastic casing of wrist strap data display equipment, can finish the making of wrist strap data display equipment.
Claims (1)
1. wrist strap display, it comprises microprocessor unit, wireless data MODEM, Power Management Unit, the human-machine operation unit, display unit, it is characterized in that: circuit is contained in the wrist strap display housing, circuit is by microprocessor unit, Power Management Unit, wireless data MODEM, the human-machine operation unit, display unit is formed, microprocessor unit is connected with other four unit respectively, Power Management Unit is made of 4 partial circuits: on/off circuit, booster circuit, mu balanced circuit, charging circuit, on/off circuit comprises triode Q4 and triode Q5, wherein resistance R 26 and resistance R 27 formed bleeder circuits and is added on 59 pin of MCU after with the supply voltage dividing potential drop, the relay utmost point of triode Q4 is connected with booster circuit, and booster circuit constitutes the DC/DC booster circuit by the peripheral circuit of integrated circuit LM2733; Booster circuit connects mu balanced circuit, mu balanced circuit is by integrated circuit HT7536, HT7550 and capacitor C 1, C2, C8, C9 forms, integrated circuit HT7536 and HT7550 parallel connection, and connect two electric capacity respectively, the emitter of triode Q6 in on/off circuit and the charging circuit is connected, charging circuit is by integrated circuit TL431, triode Q6, Q7 and peripheral circuit are formed, triode Q7 is connected with 26 pin of MCU, microprocessor unit comprises that MCU and peripheral circuit thereof partly finish data communication and data presentation, by the MCU microprocessor, liquid crystal display circuit, the data communication circuit, keyboard circuit, clock circuit, buzzer circuit and debug port circuit are formed, 16 single-chip microcomputer MSP430F149 that the MCU microprocessor adopts TI company to release with reduced instruction set computer, the MSP430F149 of liquid crystal display circuit drives the display of the liquid crystal display of 128*64 dot matrix as PDA by P4 and P5 mouth line, resistance R 23, R24 forms bleeder circuit provides dividing potential drop for liquid crystal, regulate liquid crystal contrast of display degree, triode Q8, resistance R 30 is the LCD backlight on-off circuit; The data communication circuit is formed electrical level matching circuit by resistance R 14R15 triode Q2, resistance R 20 R21, with the level between coupling MCU connection and communication module, resistance R 13 triode Q1 are used for controlling the switch of communication module power supply, and the wireless data communication module can be selected by narrow sideband wireless data module or blue-teeth data module or Zigbee data module; Resistance R 9-R12 and button J2-J6 form keyboard circuit, receive respectively on 12 to 16 pin of MCU; Clock circuit is made up of integrated circuit DS1302 and peripheral components thereof, and the interface of clock circuit and MCU has three, is respectively the SCK mouth and receives on 20 pin of MCU, and the IO mouth is received on 21 pin of MCU, and the RST mouth is received on 22 pin of MCU; Buzzer circuit is made up of resistance R 9 triode Q3 hummer B1, by the 51 foot control system hummers of MCU sounding whether; The debug port of MCU is reached from the 54 pin-58 pin lead-in wire of MCU by resistance R 29 and constitutes the JTAG debug port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008200076053U CN201707209U (en) | 2007-03-09 | 2008-03-09 | Wrist strap display |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200720010808 | 2007-03-09 | ||
| CN200720010808.3 | 2007-03-09 | ||
| CN2008200076053U CN201707209U (en) | 2007-03-09 | 2008-03-09 | Wrist strap display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201707209U true CN201707209U (en) | 2011-01-12 |
Family
ID=43444370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008200076053U Expired - Fee Related CN201707209U (en) | 2007-03-09 | 2008-03-09 | Wrist strap display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201707209U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013037281A1 (en) * | 2011-09-13 | 2013-03-21 | Tsai Hsiung-Kuang | Electronic apparatus and data transmission system |
| CN102999026A (en) * | 2012-11-16 | 2013-03-27 | 大连日佳电子有限公司 | Interactive intelligent process control management system |
-
2008
- 2008-03-09 CN CN2008200076053U patent/CN201707209U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013037281A1 (en) * | 2011-09-13 | 2013-03-21 | Tsai Hsiung-Kuang | Electronic apparatus and data transmission system |
| US9489071B2 (en) | 2011-09-13 | 2016-11-08 | Hsiung-Kuang Tsai | Electronic apparatus and data transmission system |
| CN102999026A (en) * | 2012-11-16 | 2013-03-27 | 大连日佳电子有限公司 | Interactive intelligent process control management system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20120309 |