CN101266491A - Wireless sensor device for detecting device fault - Google Patents
Wireless sensor device for detecting device fault Download PDFInfo
- Publication number
- CN101266491A CN101266491A CNA2007100354307A CN200710035430A CN101266491A CN 101266491 A CN101266491 A CN 101266491A CN A2007100354307 A CNA2007100354307 A CN A2007100354307A CN 200710035430 A CN200710035430 A CN 200710035430A CN 101266491 A CN101266491 A CN 101266491A
- Authority
- CN
- China
- Prior art keywords
- switch
- transceiver
- signal
- information
- sensor
- 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.)
- Pending
Links
Images
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The invention relates to a wireless sensor device for device defect detection, which is characterized in that the device includes N conventional sensors installed on a transmission device, a signal switch process transmitter and a diagnose management apparatus installed on the external of the transmission device; the sensors are supplied by the signal switch process transmitter, transmits the sensor signals to the signal switch process transmitter through cable, and the signal switch process transmitter transmits the sensor signals to the diagnose management apparatus through radio. The wireless sensor device for device defect detection provided according to the above technical scheme combines the radio signal transmission technique and fault signal produced in the mechanical operating process captured by the composite sensor, thereby implementing the fault signal wireless transmission, which not only enlarge application range of the failure testing technique, but also greatly improves the reliability.
Description
Technical field
The present invention relates to a kind of wireless sensor device, particularly a kind of wireless sensor device that is used for the checkout equipment fault belongs to the Diagnosis Technique category, is mainly used in the usefulness that realizes information wireless transmission between detecting sensor and the diagnosis management instrument.
Background technology
Between the traditional sensor device and monitoring instrument, connect by private cable.Instrument is to the sensor supply power, sensor directly or through control device switch and conversion after, by private cable, signal is transferred to instrument, carry out analyzing and diagnosing by instrument, thereby the formation diagnostic system.For example the inventor's some patents that relate to sensor of being applied for before this all belong to this type.
Above-mentioned traditional wired sensing device is owing to must rely on the transmission that private cable could be realized signal, therefore in existing passenger vehicle, motor train unit when installing diagnostic device additional, the sensor device that is difficult to set up being installed in the car bottom is managed the private cable that is connected between the apparatus with vehicle-mounted diagnosis, unless the compartment of this car is decomposed repacking.Still more, there is not power supply on the compartment of freight trains, between car and the car, do not have stube cable between compartment and the locomotive yet, even the compartment has been installed additional detecting sensor, owing to can't solve sensor powerup issue and sensor signal transmission problem, can not realize the fault diagnosis and the monitoring of system to diagnosis, management instrument; Particularly because the marshalling of the compartment of train is not what fix, but make up at random, even sensor device and power supply, transmission cable have been installed in the compartment that has, but, do not install by a joint compartment as long as wherein being arranged, therefore then the monitoring system of permutation car is also cut off, and makes later other in the compartment that do not install cable additional can't implement monitoring even installed the compartment of cable and sensor device additional.
Therefore, in order to realize the fault diagnosis of above-mentioned object, be designed for the just very necessary with the wireless sensor device that utilizes the environmental energy power supply of malfunction monitoring and diagnosis based on wireless transmission.
Summary of the invention
Task of the present invention: then be cancellation diagnosis, management instrument for the power supply of sensor device and sensor device private cable, and utilize the environmental energy conversion, supply with sensor device as electric energy for diagnosis, management instrument transmission signals; And pass through the wireless radio transmission sensor information and give diagnosis management instrument, diagnose the steering order of managing instrument by radio reception, to solve the difficulty that between instrument and sensor device, can't set up private cable.
The present invention realizes as follows.
The wireless sensor device of described a kind of checkout equipment fault, it is characterized in that containing N be installed in traditional sensors 1 on the gearing (comprise 11,12 ... 1N), (for example use digital temperature Sensitive Apparatus 18B20 detected temperatures signal simultaneously and detect the compound sensor that vibrates with impact signal simultaneously,) signal hand-off process transmitter 2, and the diagnosis management instrument 3 that is installed in the gearing outside; Sensor 1 is by 2 power supplies of signal hand-off process transmitter, and give signal hand-off process transmitter 2 by cable transmission with sensor signal, and after by signal hand-off process transmitter 2 conversion of signals being become radio signals, the information that sensor 1 is obtained reaches diagnosis management instrument 3.
Described signal hand-off process transmitter 2 comprises switch 21, pretreater 22, wireless transceiver 23 and supply unit 24, by 24 pairs of switchs 21 of supply unit, pretreater 22, wireless transceiver 23 and sensor 1 power supply; Switch 21 receive by sensor 11,12 ... the signal that 1N sends, switch by the instruction control that wireless transceiver 23 is sent, one by one or select arbitrarily the signal of wherein some sensors such as 1N, delivering to pretreater 22 handles, signal after pretreater 22 will be handled is delivered to wireless transceiver 23, after the wireless transceiver processing, be transferred to On-Board Diagnostics (OBD) management instrument 3 by radio signals; On-Board Diagnostics (OBD) management instrument 3 also sends to wireless transceiver by the radio signals transmission with steering order, and is controlled by 23 pairs of supply units 24 of wireless transceiver, pretreater 22 and switch 21.
Described switch 21 is a kind ofly can switch many physical quantitys switch that sensor numerical information can be switched Sensor Analog Relay System information again, and it contains the multi-way switch 21A that multi-way switch 21D that numerical information switches and analog information are switched; By its respectively in the future autobiography sensor 11～1N analog information 11A, 12A ... 1NA deliver to respectively analog information switch input end A1, the A2 of multi-way switch 21A ... AN, to deliver to the control port BA of analog information switch 21A from the analog channel steering order BA of wireless transceiver 23, the switching output information A of analog information switch 21A delivers to the input end A of pretreater 22, and analog information is switched multi-way switch can select analog switches such as DG408 for use; In the future numerical information 11D, the 12D of autobiography sensor 11～1N ... 1ND deliver to respectively numerical information switch input end D1, the D2 of multi-way switch 21D ... DN, deliver to the control port BD of numerical information switch 21D from the digital channel steering order BD of wireless transceiver 23, the switching output information D of numerical information switch 21D delivers to the digital input end DI of wireless transceiver 23; Wherein, digital quantity input end D1, the D2 of numerical information switch 21D ... DN, can be numerous digital quantity input ends of the computing machine of wireless transceiver inside, its output terminal D and control port BD then can be the internal logic port of the computing machine of wireless transceiver inside.
Described supply unit 24 is a kind ofly not only to have contained inner energy storage device 241, but also contain the device of environmental energy convert charging device 242 and internal electric source conversion assignments device 243; Inside energy storage device 241 wherein is that a suitable rechargeable battery of terminal voltage is or/and farad level capacitor; Environmental energy convert charging device 242 can be combination in any such as photovoltaic cell group 2421, micro wind turbine generator group 2422, magnetic induction group 2423 or the device that connects separately; 2424 pairs of inner energy storage devices 241 chargings of their stable-pressure devices by a wide input range, the output electric energy of inner energy storage device 241 is converted to the various power supplys of for example VDD=10V, VCC=5V, VEE=3.3V that the computing machine that is suitable for sensor 1, switch 21, pretreater 22, wireless transceiver inside and wireless base station apparatus use economically by internal electric source conversion assignments device 243.
Described pretreater 22 contains handlebar and carries out pretreated vibration information split tunnel 221 and resonance and demodulation conversion passage 222 by vibration, impact signal in the simulating signal of the multi-way switch 21A transmission of analog information switching; Wherein, the signal VOUT of vibration information split tunnel 221 outputs delivers to the AD transducer AD1 of wireless transceiver 23; The signal IOUT of resonance and demodulation conversion passage 222 outputs delivers to the AD transducer AD2 of wireless transceiver 23.
Described wireless transceiver 23 contains one-chip computer 231 and wireless transceiver 232, wherein wireless transceiver 232 can be independent device (for example: the RF chip of MAXIM RF, RFIC RF, RFMD RF, AIROHA RF, LHWT RF and Liuhe-Wantong's exploitation etc.), also can be included in the unit in the one-chip computer 231 (for example nRF9E5:433/868/915 MHz radio-frequency (RF) transceiver); The AD interface AD1 of one-chip computer 231 is received in the output of vibration information split tunnel 221, the AD interface AD2 of one-chip computer 23 1 is received in the output of resonance and demodulation split tunnel 222, and one-chip computer 231 terminates to the AD data sample IO end of RF transceiver 232 by IO; RF transceiver 232 sends to diagnosis management instrument 2 with data sample modulation back with radio signals; The numerical data output D of numerical information switching multi-way switch 21D terminates to the DI end of one-chip computer 231, and RF transceiver 232 will send to diagnosis management instrument 3 with radio signals after the data-modulated; Numerous steering orders that the acceptance of RF transceiver is sent from the RF transceiver of diagnosing the management instrument, select switching controls instruction demodulation to latch the back analog channel and send to the control port BA that analog information is switched multi-way switch 21A by the BA port, select switching controls instruction demodulation to latch the back digital channel and send to the control port BD that numerical information is switched multi-way switch 21D by the BD port, also controlling of sampling is instructed after the demodulation, be used to control inner AD interface AD1, AD2 and carry out the simulated data sampling.
Described diagnosis management instrument 3 contains computing machine 31 and RF transceiver 32, computing machine 31 is connected to the IO port of RF transceiver with steering order by its IO port, the RF transceiving device with steering order modulation back by the RF transceiver 232 of radio transmitting to signal hand-off process transmitter 2; The information that sends of the RF transceiver 232 of received signal hand-off process transmitter 2 then, by demodulation, obtain data sample, by its IO port, be transferred to the IO port of computing machine 31, computing machine 31 is isolated vibration information and resonance and demodulation message sample and the temperature information in the data sample, analyzes respectively, diagnoses.
This wireless sensor device that is used for the checkout equipment fault according to above technical scheme proposition, because with combining of the fault-signal that produces in radio signals transmission technology and the machine operation process that collects by compound sensor, realization is with the wireless transmission of fault-signal.The scope of application of fault detection technique is expanded, and reliability is also improved greatly.
Description of drawings
Fig. 1 is a major scheme synoptic diagram of the present invention;
Fig. 2 is signal hand-off process transmitter principle of compositionality and signal transmission synoptic diagram;
Fig. 3 forms and the principle of work block diagram for supply unit;
Fig. 4 is a pretreater catenation principle block diagram;
Fig. 5 constitutes and the principle of work block diagram for wireless transceiver;
Fig. 6 constitutes and the principle of work block diagram for the diagnostic tube instrument;
Fig. 7 is the circuit diagram of temperature, vibration, impact coupled antenna sensor device sensor commonly used;
Fig. 8 is a kind of radio transceiver circuitry block diagram of nRF9E5 type band single-chip microcomputer;
Fig. 9 is the low-pass filter circuit figure of vibration pretreater;
Figure 10 is for impacting the resonance and demodulation circuit of pretreater.
Embodiment
Be further described below in conjunction with embodiment.
The wireless sensor device of this checkout equipment fault as shown in the figure, it is characterized in that containing some be installed in traditional sensors 1 on the gearing (comprise 11,12 ... 1N), (for example use digital temperature Sensitive Apparatus 18B20 detected temperatures signal simultaneously and detect the compound sensor that vibrates with impact signal simultaneously,) signal hand-off process transmitter 2, and the diagnosis management instrument 3 that is installed in the gearing outside; Sensor 1 is by 2 power supplies of signal hand-off process transmitter, and give signal hand-off process transmitter 2 by cable transmission with sensor signal, and after by signal hand-off process transmitter 2 conversion of signals being become radio signals, the information that sensor 1 is obtained reaches diagnosis management instrument 3.Described signal hand-off process transmitter 2 comprises switch 21, pretreater 22, wireless transceiver 23 and supply unit 24, by 24 pairs of switchs 21 of supply unit, pretreater 22, wireless transceiver 23 and sensor 1 power supply; Switch 21 receive by sensor 11,12 ... the signal that 1N sends, switch by the instruction control that wireless transceiver 23 is sent, one by one or select arbitrarily the signal of wherein some sensors such as 1N, delivering to pretreater 22 handles, signal after pretreater 22 will be handled is delivered to wireless transceiver 23, after the wireless transceiver processing, be transferred to On-Board Diagnostics (OBD) management instrument 3 by radio signals; On-Board Diagnostics (OBD) management instrument 3 also sends to wireless transceiver by the radio signals transmission with steering order, and is controlled by 23 pairs of supply units 24 of wireless transceiver, pretreater 22 and switch 21.
Described switch 21 is a kind ofly can switch many physical quantitys switch that sensor numerical information can be switched Sensor Analog Relay System information again, and it contains the multi-way switch 21A that multi-way switch 21D that numerical information switches and analog information are switched; By its respectively in the future autobiography sensor 11～1N analog information 11A, 12A ... 1NA deliver to respectively analog information switch input end A1, the A2 of multi-way switch 21A ... AN, to deliver to the control port BA of analog information switch 21A from the analog channel steering order BA of wireless transceiver 23, the switching output information A of analog information switch 21A delivers to the input end A of pretreater 22, and analog information is switched multi-way switch can select analog switches such as DG408 for use; In the future numerical information 11D, the 12D of autobiography sensor 11～1N ... 1ND deliver to respectively numerical information switch input end D1, the D2 of multi-way switch 21D ... DN, deliver to the control port BD of numerical information switch 21D from the digital channel steering order BD of wireless transceiver 23, the switching output information D of numerical information switch 21D delivers to the digital input end DI of wireless transceiver 23; Wherein, digital quantity input end D1, the D2 of numerical information switch 21D ... DN, can be numerous digital quantity input ends of the inner computer of wireless transceiver, its output terminal D and control port BD then can be the internal logic port of wireless transceiver inner computer.
Described supply unit 24 is a kind ofly not only to have contained inner energy storage device 241, but also contain the device of environmental energy convert charging device 242 and internal electric source conversion assignments device 243; Inside energy storage device 241 wherein is that a suitable rechargeable battery of terminal voltage is or/and farad level capacitor; Environmental energy convert charging device 242 can be combination in any such as photovoltaic cell group 2421, micro wind turbine generator group 2422, magnetic induction group 2423 or the device that connects separately; They are by 2424 pairs of inner energy storage devices 241 chargings of stable-pressure device at 3～24V of input range, and the output electric energy of inner energy storage device 241 is converted to the various power supplys of for example VDD=10V, VCC=5V, VEE=3.3V that the computing machine that is suitable for sensor 1, switch 21, pretreater 22, wireless transceiver inside and wireless base station apparatus use economically by internal electric source conversion assignments device 243.
Described pretreater 22 contains handlebar and carries out pretreated vibration information split tunnel 221 and resonance and demodulation conversion passage 222 by vibration, impact signal in the simulating signal of the multi-way switch 21A transmission of analog information switching; Wherein, the signal VOUT of vibration information split tunnel 221 outputs delivers to the AD transducer AD1 of wireless transceiver 23; The signal IOUT of resonance and demodulation conversion passage 222 outputs delivers to the AD transducer AD2 of wireless transceiver 23.
Described wireless transceiver 23 contains one-chip computer 231 and wireless transceiver 232, wherein wireless transceiver 232 can be independent device (for example: the RF chip of MAXIM RF, RFIC RF, RFMD RF, AIROHA RF, LHWT RF and Liuhe-Wantong's exploitation etc.), also can be included in the unit in the one-chip computer 231 (for example nRF9E5:433/868/915 MHz radio-frequency (RF) transceiver); The AD interface AD1 of one-chip computer 231 is received in the output of vibration information split tunnel 221, the AD interface AD2 of one-chip computer 231 is received in the output of resonance and demodulation split tunnel 222, and one-chip computer 231 terminates to the AD data sample IO end of RF transceiver 232 by IO; RF transceiver 232 sends to diagnosis management instrument 2 with data sample modulation back with radio signals; The numerical data output D of numerical information switching multi-way switch 21D terminates to the DI end of one-chip computer 231, and RF transceiver 232 will send to diagnosis management instrument 3 with radio signals after the data-modulated; Numerous steering orders that the acceptance of RF transceiver is sent from the RF transceiver of diagnosing the management instrument, select switching controls instruction demodulation to latch the back analog channel and send to the control port BA that analog information is switched multi-way switch 21A by the BA port, select switching controls instruction demodulation to latch the back digital channel and send to the control port BD that numerical information is switched multi-way switch 21D by the BD port, also controlling of sampling is instructed after the demodulation, be used to control inner AD interface AD1, AD2 and carry out the simulated data sampling.
Described diagnosis management instrument 3 contains computing machine 31 and RF transceiver 32, computing machine 31 is connected to the IO port of RF transceiver with steering order by its IO port, and RF transceiving device steering order modulation back is by the RF transceiver 232 of radio transmitting to signal hand-off process transmitter 2; The information that sends of the RF transceiver 232 of received signal hand-off process transmitter 2 then, by demodulation, obtain data sample, by its IO port, be transferred to the IO port of computing machine 31, computing machine 31 is isolated vibration information and resonance and demodulation message sample and the temperature information in the data sample, analyzes respectively, diagnoses.
What adopt in the present embodiment is a kind of temperature, the compound wireless sensor device of vibratory impulse.
Below further combined with accompanying drawing principle of work of the present invention.
Fig. 7 is the internal circuit diagram of the sensor 1 often selected for use in temperature, vibration, the impact coupled antenna sensor device, contains amplifier OP
1-1～OP
1-2, resistor R
1～R
6, capacitor C
1～C
3, voltage source part YD
1, temperature sensing device 18B20; From the circuit that the power vd D and the ground wire GND of signal hand-off process transmitter 2 inserts this sensor 1, VDD receives amplifier OP
1-1, OP
1-2Positive power source terminal and R
1An end, R
1Another termination R
2An end, C
1An end and amplifier OP
1-1Positive input terminal, C
1, R
2Other end ground connection GND, amplifier OP
1-1, OP
1-2Negative supply termination GND, OP
1-1Negative input end connect its output terminal, as VDD=10V, R
1=R
2The time, OP
1-1Output voltage be 5V; This OP
1-1Output voltage is received R
3One end, R
3Another termination R
4An end and C
2An end, R
4Another termination OP
1-2Positive input terminal and the anode of piezoelectric patches, the negative terminal of piezoelectric patches meets OP
1-1Output, C
2Another termination R
5An end, R
5Another termination OP
1-2Negative input end, this negative input end is also received OP
1-2Output terminal, OP
1-2Output terminal receive A, as the output terminal 11A of No. 1 sensor 11, vibration and shock signal is transferred to the input end A of the multi-way switch 21A that the analog information of signal hand-off process transmitter 2 switches through cable
1OP
1-1The voltage of output is also received the power end 1 of 18B20 as the power supply of 18B20, the earth terminal 3 of 18B20 is received GND, the IO end 2 of 18B20, through terminal D, terminal 11D as 11 sensors, pass through cable then, be transferred to the input end D of the multi-way switch 21D that the numerical information of signal hand-off process transmitter 2 switches
1The multi-way switch 21D that the numerical information of this digital signal hand-off process transmitter 2 is switched can select the PO of wireless transceiver single-chip microcomputer nRF9E5 chip for use
0～PO
7Etc. the Digital I port,, detect the temperature data digital quantity of each sensor by the embedded software of nRF9E5 as Fig. 8.
The simulating signal of each sensor that the multi-way switch 21A that switches through analog information selects is input to the input end A of pretreater 22 from port A, this signal contains the vibration signal and the impact signal of sensor sensing, the vibration information split tunnel 221 of pretreater 22 mainly is made of as Fig. 9 low-pass filter, contains amplifier OP
5-1～OP
5-2, their positive supply termination VDD power supply terminal, their negative power end ground wire GND also contains resistor R
0～R
7, capacitor C
0～C
3, the signal of the multi-way switch 21A output terminals A of switching from analog information enters from the input end A of this circuit, through capacitor C
0Receive resistor R
0An end and amplifier OP
5-1Positive input terminal, OP
5-1Negative input end connect its output terminal, resistance R
0Another termination current potential VCC, OP
5-1Output signal receive resistor R
1An end, R
1Another termination R
2An end and C
1An end, C
1Another termination VCC or ground GND, resistance R
2Other end connecting resistance R
3An end and capacitor C
2An end, capacitor C
2Another termination OP
5-2Output terminal, resistance R
3Another termination amplifier OP
5-2Positive input terminal and capacitor C
3An end, C
3Another termination VCC or ground GND, amplifier OP
5-2Negative input end connecting resistance R
4And R
5An end, R
4Another termination VCC, R
5Another termination OP
5-2Output terminal; OP
5-2Output terminal through resistor R
8, R
9The dividing potential drop coupling is received the AD of terminal VOUT output signal to wireless transceiver 23
1Input end for example is the AIN1 end of the nRF9E5 chip of Fig. 8.
The simulating signal of each sensor that the multi-way switch 21A that switches through analog information selects is input to the input end A of pretreater 22 from port A, this signal contains the vibration signal and the impact signal of sensor sensing, the resonance and demodulation conversion passage 222 of pretreater 22 mainly is made of as Figure 10 LC resonator, absolute value wave detector, low-pass filter, and the LC resonator contains resistor R
1, R
2, inductor L
1～L
4, capacitor C
1～C
4, the absolute value wave detector contains amplifier OP
3-2, OP
3-2, capacitor C
3, resistor R
3～R
7, diode D
1, D
2, low-pass filter contains amplifier OP
3-4, resistance R
8～R
12, capacitor C
6～C
8The signal of input end A is by OP
3-1Follow with coupling, this is followed output and drives the LC resonator, and the output of resonator is by C
5Isolate, the signal criterion level is risen to by R
3The VCC DC level of linking up, supply with single supply work, be the absolute value detecting circuit of benchmark with the VCC level, it is the low-pass filter of reference level with VCC that the output of detecting circuit is received same, and this low-pass filter is benchmark output resonance and demodulation information via R with the VCC level
13, R
14Receive terminal IOUT after the dividing potential drop coupling, output to the AD of output signal to wireless transceiver 23
2Input end for example is the AIN2 end of the nRF9E5 chip of Fig. 8;
Described wireless transceiver, using can round Realization as the nRF9E5 chip of Fig. 8, comprising required one-chip computer and RF transceiver, the control port BA of the multi-way switch 21A that operation simulation information is switched can use logic port 10～13 combinations of nRF9E5 to realize.
Claims (11)
1. the wireless sensor device of a checkout equipment fault is characterized in that: it comprises N traditional sensors (1), signal hand-off process transmitter (2) that is installed on the gearing and the diagnosis that is installed in gearing outside management instrument (3); Sensor (1) is powered by signal hand-off process transmitter (2), and give signal hand-off process transmitter (2) by cable transmission with sensor signal, signal hand-off process transmitter (2) is transferred to diagnosis management instrument (3) by radio with sensor information with signal.
2. the wireless sensor device of a kind of checkout equipment fault according to claim 1, it is characterized in that: signal hand-off process transmitter (2) comprises switch (21), pretreater (22), wireless transceiver (23) and supply unit (24), by supply unit (24) switch (21), pretreater (22), wireless transceiver (23) and sensor (1) is powered; Switch (21) receive by sensor (11,12 ... the signal that 1N) sends, switch by the instruction control that wireless transceiver (23) is sent, select one by one or arbitrarily wherein some sensors as signal, delivering to pretreater (22) handles, signal after pretreater (22) will be handled is delivered to wireless transceiver (23), after wireless transceiver (23) processing, be transferred to On-Board Diagnostics (OBD) management instrument (3) by radio signals; On-Board Diagnostics (OBD) management instrument (3) also sends to wireless transceiver (23) by the radio signals transmission with steering order, and by wireless transceiver (23) supply unit (24), pretreater (22) and switch (21) is controlled.
3. according to the wireless sensor device of the described a kind of checkout equipment fault of claim 1, it is characterized in that: described switch (21) is a kind ofly can switch many physical quantitys switch that sensor numerical information can be switched Sensor Analog Relay System information again, it contains the multi-way switch (21D) of numerical information switching and the multi-way switch (21A) of analog information switching is distinguished autobiography sensor (analog information 11A of 11～1N) in the future by it, 12A, ... 1NA delivers to the input end A1 that analog information is switched multi-way switch (21A) respectively, A2, ... AN, to deliver to the control port BA of analog information switch (21A) from the analog channel steering order BA of wireless transceiver (23), the switching output information A of analog information switch (21A) delivers to the input end A of pretreater (22), and analog information switching multi-way switch is selected the DG408 analog switch for use; In the future the autobiography sensor (11～1N) numerical information 11D, 12D ... 1ND deliver to respectively numerical information switch input end D1, the D2 of multi-way switch (21D) ... DN, deliver to the control port BD of numerical information switch (21D) from the digital channel steering order BD of wireless transceiver (23), the switching output information D of numerical information switch (21D) delivers to the digital input end DI of wireless transceiver (23); Wherein, digital quantity input end D1, the D2 of numerical information switch (21D) ... DN, be numerous digital quantity input ends of the computing machine of wireless transceiver inside, its output terminal D and control port BD then are the internal logic port of the computing machine of wireless transceiver inside.
4. according to the wireless sensor device of the described a kind of checkout equipment fault of claim 1, it is characterized in that: described supply unit (24) is a kind ofly not only to have contained inner energy storage device (241), but also contain the device of environmental energy convert charging device (242) and internal electric source conversion assignments device (243); They charge to inner energy storage device by a stable-pressure device at 3 ~ 24V input range (2424), and the output electric energy of inner energy storage device (241) is converted to computing machine that is suitable for sensor (1), switch (21), pretreater (22), wireless transceiver (23) inside and the various power supplys of for example VDD=10V, VCC=5V, VEE=3.3V that wireless base station apparatus uses economically by internal electric source conversion assignments device (243).
5. according to the wireless sensor device of the described a kind of checkout equipment fault of claim 1, it is characterized in that: described pretreater (22) comprises that vibration, impact signal that the multi-way switch (21A) that is switched by analog information is transmitted in the next simulating signal carry out pretreated vibration information split tunnel (221) and resonance and demodulation conversion passage (222); Wherein, the signal VOUT of vibration information split tunnel (221) output delivers to the AD transducer AD of wireless transceiver (23)
1The signal IOUT of resonance and demodulation conversion passage (222) output delivers to the AD transducer AD of wireless transceiver (23)
2
6. according to the wireless sensor device of the described a kind of checkout equipment fault of claim 1, it is characterized in that: described wireless transceiver (23) comprises one-chip computer (231) and wireless transceiver (232), and wherein wireless transceiver (232) is the radio-frequency (RF) transceiver unit in independent functional chip device or the one-chip computer (231) that comprises radio-frequency (RF) transceiver; Vibration information separates the AD interface AD1 that receives one-chip computer (231) with the output of anti-aliasing filtering passage (221), resonance and demodulation separates the AD interface AD2 that receives one-chip computer (231) with the output of anti-aliasing filtering passage (222), and one-chip computer (231) terminates to the AD data sample IO end of RF transceiver (232) by IO; RF transceiver (232) sends to diagnosis management instrument (2) with data sample modulation back with radio signals; The numerical data output D of numerical information switching multi-way switch (21D) terminates to the DI end of one-chip computer (231), and RF transceiver (232) will be managed instrument (3) with radio transmitting to diagnosis after the data-modulated; Numerous steering orders that the acceptance of RF transceiver is sent from the RF transceiver of diagnosing management instrument (3), select switching controls instruction demodulation to latch the back analog channel and send to the control port BA that analog information is switched multi-way switch (21A) by the BA port, select switching controls instruction demodulation to latch the back digital channel and send to the control port BD that numerical information is switched multi-way switch (21D) by the BD port, also controlling of sampling is instructed after the demodulation, be used to control inner AD interface AD
1, AD
2Carry out the simulated data sampling.
7. according to the wireless sensor device of the described a kind of checkout equipment fault of claim 1, it is characterized in that: described diagnosis management instrument (3) contains computing machine (31) and RF transceiver (32); By computing machine (31) steering order is connected to the IO port of RF transceiver (32) by its IO port, RF transceiving device steering order modulation back is by the RF transceiver (232) of radio transmitting to signal hand-off process transmitter (2); The information of the RF transceiver (232) of received signal hand-off process transmitter (2) transmission then, by demodulation, obtain data sample, by its IO port, be transferred to the IO port of computing machine (31), computing machine (31) is isolated vibration information and resonance and demodulation message sample and the temperature information in the data sample, analyzes respectively, diagnoses.
8. according to the wireless sensor device of the described a kind of checkout equipment fault of claim 1, it is characterized in that: described sensor (1) is by digital temperature Sensitive Apparatus 18B20 detected temperatures signal and detects the compound sensor that vibrates with impact signal simultaneously.
9. according to the wireless sensor device of the described a kind of checkout equipment fault of claim 4, it is characterized in that: described inner energy storage device (241) is that the rechargeable battery of a terminal voltage and operating voltage coupling is or/and farad level capacitor; Described environmental energy convert charging device (242) is photovoltaic cell group (2421), micro wind turbine generator group (2422), magnetic induction group (2423) combination in any or the device that connects separately.
10. according to the wireless sensor device of the described a kind of checkout equipment fault of claim 6, it is characterized in that: described wireless transceiver (232) is any in MAXIM RF, RFIC RF, RFMD RF, AIROHA RF, all devices of LHWT RF, perhaps the RF chip of developing for Liuhe-Wantong.
11. the wireless sensor device according to the described a kind of checkout equipment fault of claim 6 is characterized in that: described wireless transceiver (232) is the one-chip computer (231) that comprises the nRF9E5:433/868/915MHz radio-frequency (RF) transceiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100354307A CN101266491A (en) | 2007-07-25 | 2007-07-25 | Wireless sensor device for detecting device fault |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100354307A CN101266491A (en) | 2007-07-25 | 2007-07-25 | Wireless sensor device for detecting device fault |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101266491A true CN101266491A (en) | 2008-09-17 |
Family
ID=39988935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100354307A Pending CN101266491A (en) | 2007-07-25 | 2007-07-25 | Wireless sensor device for detecting device fault |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101266491A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799174A (en) * | 2012-08-14 | 2012-11-28 | 西北工业大学 | Auxiliary device for equipment debugging |
| CN103791944A (en) * | 2012-11-02 | 2014-05-14 | 上海微电子装备有限公司 | High-precision general measurement device |
| CN108111583A (en) * | 2017-12-14 | 2018-06-01 | 成都运达科技股份有限公司 | A kind of bogie rotary part safety monitoring system based on wireless sensor network |
| CN110471377A (en) * | 2019-07-25 | 2019-11-19 | 深圳中物兴华科技发展有限公司 | A kind of distributed high-accuracy collecting method and system |
-
2007
- 2007-07-25 CN CNA2007100354307A patent/CN101266491A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799174A (en) * | 2012-08-14 | 2012-11-28 | 西北工业大学 | Auxiliary device for equipment debugging |
| CN103791944A (en) * | 2012-11-02 | 2014-05-14 | 上海微电子装备有限公司 | High-precision general measurement device |
| CN108111583A (en) * | 2017-12-14 | 2018-06-01 | 成都运达科技股份有限公司 | A kind of bogie rotary part safety monitoring system based on wireless sensor network |
| CN110471377A (en) * | 2019-07-25 | 2019-11-19 | 深圳中物兴华科技发展有限公司 | A kind of distributed high-accuracy collecting method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1873436B (en) | Antenna connection detecting device and vehicle navigation device | |
| EP2132049B1 (en) | Tire sensor module | |
| CN102356321A (en) | Inductive sensor module for a vehicle and method for operating such a sensor module | |
| US9194917B2 (en) | Method for transmitting data between a control device and at least one measurement device by means of a bus system, and a battery management unit | |
| CN102307231B (en) | Remote diagnostic apparatus and work system thereof | |
| CN101266491A (en) | Wireless sensor device for detecting device fault | |
| CN103424709A (en) | Semiconductor device and voltage measuring device | |
| US20120143394A1 (en) | Vehicle sensor, system having a controller for vehicle state determination and at least two vehicle sensors, and method for operation of a system having a controller for vehicle state determination and at least two vehicle sensors | |
| CN103925853A (en) | Carrier rocket ground test system device | |
| CN104115508A (en) | Battery sensor data transmission unit and a method for transmitting battery sensor data | |
| CN201122243Y (en) | Wireless sensor device for detecting device fault | |
| CN102589878B (en) | Portable type wet type clutch detection data collecting system and fault diagnosis method | |
| CN110031700A (en) | A kind of satellite load universal grounding detection board based on PXI bus | |
| CN208091718U (en) | A kind of rail traffic vehicles Collection transmitting device | |
| CN201051031Y (en) | Tyre air pressure detection device | |
| CN103837075A (en) | Dynamic displacement collecting system based on vehicle-mounted CAN bus | |
| CN203902318U (en) | Vehicle control unit of electric vehicle | |
| CN207832309U (en) | Load ratio bridging switch vibration signal acquisition device and analysis system | |
| CN110703736A (en) | Automobile diagnosis device, system and method | |
| CN201653701U (en) | Vehicle remote diagnosis system | |
| CN109703463A (en) | Car-mounted display control system | |
| CN107966207A (en) | Load ratio bridging switch vibration signal acquisition device and analysis system | |
| CN101718972A (en) | Multifunctional vehicle-borne control system | |
| CN210895121U (en) | Automobile diagnosis equipment and system | |
| CN207598470U (en) | A kind of soft starter of remote monitoring and water pump integrated protection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080917 |