CN105183055B - X-ray bulb working condition on-line detecting system - Google Patents

Abstract

X-ray bulb working condition on-line detecting system, is related to X-ray emission device.Provided with environment humidity sensor, temperature sensor, acceleration transducer, microprocessor；Environment humidity sensor is positioned in electric equipment environment, temperature sensor and acceleration transducer are positioned over X-ray bulb surface, the electrical equipment environment temperature of environment humidity sensor exports the input of termination microprocessor with moisture signal, the X-ray bulb surface temperature signal output end of temperature sensor and the X-ray bulb vibration acceleration signal output end of acceleration transducer connect the input of microprocessor respectively, and microprocessor electrical equipment situation output port is sent to PS ends by RS232 or/and sent by GSM to mobile client.Surface temperature, ambient humidity, environment temperature and the vibration acceleration situation of X-ray electrical equipment are detected in real time and transmits the information remote collected to the mobile terminal of operating personnel, make equipment high efficiency normal work.

Description

X-ray bulb working condition on-line detecting system

Technical field

The present invention relates to X-ray emission device, more particularly, to X-ray bulb working condition on-line detecting system

Background technology

It is well known that normal operation of the temperature and humidity to instrument has a great impact.When humidity is too high, electrically set Standby insulating properties reduction, easily produces accident, easily gets rusty, electrical equipment service life reduction.When temperature is too high, metal material is soft Change, mechanical strength reduction.Vibration Condition then directly reflects the running status and oscillation intensity of electrical equipment.Therefore to electrical equipment Maintenance cause very big inconvenience, prevent experimenter from grasping the situation of electrical equipment, and then form unpredictable danger Hidden danger.

At present, in known X-ray electrical equipment on-line detecting system do not have surface temperature, ambient humidity, temperature, The detection of situations such as vibration acceleration.

The content of the invention

It is an object of the invention to provide a kind of X-ray bulb working condition on-line detecting system.

The present invention is provided with environment humidity sensor, temperature sensor, acceleration transducer, microprocessor；The environment Temperature Humidity Sensor is positioned in electric equipment environment, and temperature sensor and acceleration transducer are positioned over X-ray bulb surface, The electrical equipment environment temperature of environment humidity sensor exports the input of termination microprocessor, TEMP with moisture signal The X-ray bulb surface temperature signal output end of device and the X-ray bulb vibration acceleration signal output end of acceleration transducer The input of microprocessor is connect respectively, and the electrical equipment situation output port of microprocessor is sent to PS ends by RS232, or/ Sent with by GSM to mobile client.

The environment humidity sensor can use model DHT11 Temperature Humidity Sensor, and the temperature sensor can Using model 18B20 temperature sensor；The acceleration transducer can use model MPU6050 acceleration sensing Device.

The microprocessor can use single-chip microcomputer STC12C5A32S2.

The present invention is using environment humidity sensor, temperature sensor, acceleration transducer three combination to X-ray bulb Progress works online condition detection, and monitored in real time with PC ends, short message remote notification, SD card online record and storage triple safe Mechanism combination is transmitted and stored to information.Therefore, the surface temperature of the invention that X-ray electrical equipment can be detected in real time, Ambient humidity, environment temperature and vibration acceleration situation simultaneously transmit the information remote collected to the mobile terminal of operating personnel On, X-ray electrical equipment is efficiently run well work.

Brief description of the drawings

Fig. 1 is the structure composition schematic diagram of the embodiment of the present invention.

Embodiment

Referring to Fig. 1, the embodiment of the present invention provided with environment humidity sensor 1, temperature sensor 2, acceleration transducer 3, Microprocessor 4；The environment humidity sensor 1 is positioned in electric equipment environment, temperature sensor 2 and acceleration transducer 3 are positioned over X-ray bulb surface, and the electrical equipment environment temperature and moisture signal output termination of environment humidity sensor 1 are micro- The input of processor 4, the X-ray bulb surface temperature signal output end of temperature sensor 2 and the X of acceleration transducer 3 are penetrated Ray tube vibration acceleration signal output end connects the input of microprocessor 4, the electrical equipment situation output of microprocessor 4 respectively Port is sent to PS ends 5 by RS232, or/and is sent by GSM to mobile client 6.

The environment humidity sensor 1 can use model DHT11 Temperature Humidity Sensor, and the temperature sensor can Using model 18B20 temperature sensor；The acceleration transducer can use model MPU6050 acceleration sensing Device.

The microprocessor can use single-chip microcomputer STC12C5A32S2.

The present invention is by environment humidity sensor DHT11, temperature sensor 18B20 and acceleration transducer MPU6050 tri- Person combines to form a measurement mechanism, Temperature Humidity Sensor DHT11 measuring environments temperature and ambient humidity, temperature sensor 18B20 measures X-ray bulb surface temperature, and acceleration transducer MPU6050 measures the vibration acceleration of X-ray bulb, with group The form of conjunction carries out the condition detection that works online to X-ray bulb.Single-chip microcomputer STC12C5A32S2 is also one of hardware module, single Piece machine receives the data that sensor combinations transmit and data is handled, then information processing result is exported.By PC ends The triple safe mechanism that real-time monitoring, short message remote notification, SD card online record and storage are combined is transmitted to information And storage.The present invention has two composition mechanisms, and one is environment humidity sensor DHT11, temperature sensor 18B20 and acceleration The combination that sensor MPU6050 is constituted, two be PC ends monitor in real time, the group of short message remote notification, SD card online record and storage Close.Single-chip microcomputer connects two composition mechanisms as the core texture of hardware, plays a part of maincenter coordination.This is also One of innovative point of the present invention.

Software module of the present invention is illustrated below：

The present invention uses KEIL software programmings, Keil C51 compatibility Single Chip C Languages.Keil passes through an Integrated Development ring Border (Vision) is combined by the part such as C compilers, Macro assembler, linker, library management and the powerful simulation debugger of One function Together, complete development plan is realized.The present invention is programmed using C language, and KEIL softwares provide a complete exploitation ring Border, is that program writes optimal assistant.

1st, information gathering part

This part is mainly made up of temperature sensor 18B20, Temperature Humidity Sensor DHT11 and acceleration sensing MPU6050. The above two are the forms with monobus, and data transfer is two-way.The latter is I2C agreements, and I2C buses are with the line side of synchronous serial two Formula works：1 clock lines, 1 data line, because single-chip microcomputer does not have internal hardware I2C, needs to be simulated in program.

2nd, partial message transmission

This part is mainly made up of RS232 and gsm module.RS232 is the interface standard of serial data communication, and the present invention is adopted With the modulator of 9 pins, the present invention only uses 3 pins in 9 pins, RXD, TXD and GND.Gsm module programming, this mould Block will all illustrate, theoretical very huge, it is necessary to which the thing used is many.The present invention only uses function of sending short messages.

3rd, SD card programming

The present invention is using spi bus pattern read-write high power capacity SD card.The present invention needs constantly to write the information collected Enter in SD card, the memory space of SD card is divided into sector form, each byte of sector 512.

Currently invention addresses humiture information, the collection of vibration information, transmission and storage inside laboratory apparatus.Set up one Complete system, can realize humiture information, the accurate acquisition of vibration information, can realize the real-time Transmission of gathered information And storage in time.

Surface temperature, ambient humidity and the temperature of X-ray emission device, the online measuring technique neck of vibration acceleration situation Domain, and electrical equipment information can be sent to PC ends and mobile terminal in real time, setting comprising X-ray apparatus can be applied to In standby, it is a kind of system for being capable of on-line checking X-ray apparatus equipment working condition, Technical Reference is provided for operating personnel.

The present invention is capable of the running status of real-time watch device, and surface temperature, the environment of electrical equipment can be detected in real time Temperature conditions, ambient humidity situation, vibration acceleration situation, it is ensured that the safe operation of equipment prevents the hair of serious accident It is raw.Measurement surface and the single surface temperature measurement of environment temperature ratio are more effective come the health status for judging X-ray bulb.Equipment is shaken Dynamic information carries out data acquisition, and the problem of can accurately knowing the running status of equipment, timely discovering device is conducive to failure Diagnosis.

Meanwhile, the present invention also has the function that the information collected is carried out to long-distance transmissions, by the letter collected in real time Breath is sent to users' mobile end by way of short message；When the service factor of electrical equipment is abnormal or breaks down, system Sent real-time on alarm short message to the mobile terminal of operating personnel.

Temperature sensor, Temperature Humidity Sensor are placed in the position for best embodying electrical equipment environment, acceleration by the present invention Sensor is placed in the surface of X-ray apparatus.After electrical equipment is started working, each sensor is also just started working, each sensor The data collected are sent to single-chip microcomputer, single-chip microcomputer spreads out of result by data processing, distinguished by RS232 and GSM The situation of electrical equipment is reached into computer end and mobile terminal, meanwhile, write a data and be used for into the SD card being integrated on mainboard Storage.It is specific as follows：

RS232 hardware designs are using PC ends as host computer, and single-chip microcomputer is used as slave computer.RS232 serial communications are PC and list Information channel between piece machine.Chip MAX232 realizes the conversion between TTL logic levels and RS232 level.

It is external connection module that GSM message, which sends this part of hardware interface, is not integrated on mainboard, RXD is left on mainboard With first serial ports of TXD mouthfuls, that is, single-chip microcomputer, this serial ports is drawn with row's pin, and effect has two：The download of program and The access port of gsm module.The present invention as master chip, is integrated with MP2303 on plate, is power management chip using SIM900A, Export the power supply of (5V, 3A)；SP3232 is also integrated with plate, is electrical level transferring chip, is connected with RS232.The module is also provided The plant-grid connection mouthful of battery, if it is desired, can connect external connection battery, so more aspect is carried.

In SD card peripheral circuit, the SD card level mismatch with 3.3V of 5V single-chip microcomputers, so needing to be turned level Change, the present invention uses electric resistance partial pressure method：I.e. 5V level, is exactly 3.3V through 1.6k+3.3k electric resistance partial pressures.SD card is assisted using SPI View, i.e. STC12C5A series monolithics have hardware SPI P1.4~P1.7, and SPI CS, MOSI, MISO, CLK are multiplexed respectively. It has to be noted here that because single-chip microcomputer is used as main frame, mouth is selected without using P1.4 CS pieces, the CS mouth access single-chip microcomputers of SD card Common I/O port.That the present invention is P2.0.

18B20 programming thinkings, the first and second bytes are the temperature of measurement, are multiplied by the resolution of corresponding mode of operation Rate is exactly the temperature value of requirement.Just the default temperature value of upper electricity is+85 degrees Celsius.Be described below be 18B20 driver stream Journey：

1. initialize.

2. a byte is read.

3. a byte is write.

4. temperature is read.

The programming of DHT11 Temperature Humidity Sensors uses single bus data mode to make the communication between MCU and DHT11 and same Walk, 4ms or so is once communicated, data point fractional part and integer part, decimal reads as zero, for extending.It is once complete Whole data transfer is 40bit, and a high position is preceding.Data format:8bit humidity integer data+8bit humidity fraction datas+8bi temperature Spend integer data+8bit temperature fraction datas+8bit verifications and data.If transmission is correct, verification and data=" 8bit humidity 8, the end of integer data+8bit humidity fraction data+8bi temperature integer data+8bit temperature fraction data " acquired results.Under Face is DHT11 driving process：

1. data are defined.

2. 8 data are handled.

3. read humiture, i.e., step 2. on the basis of handle 40 data, and generate humiture.Here due to useful Only humidity high eight-bit and temperature high eight-bit, that is, their integer part, fractional part is all 00000000, institute Can simplify processing when return value, the data for returning to a high position are all right, and this also complies with the required precision of the present invention.

The analog quantity of measurement, can be converted into digital output by three 16 ADC of MPU650 accelerometers.Sensor Range be controllable, accelerometer range has：± 2g, ± 4g, ± 8g, ± 16g.Because accelerometer is only used in this invention Part, do not use the function of gyroscope, thus below explanation accelerometer register.

①SMPLRT_DIV

SMPLRT_DIV produces 8 without value of symbol, and sample frequency, the output of sensors register are obtained by value frequency dividing It is to be based on the sample rate.The calculation formula of sample rate：

The output rating of sample rate=gyroscope/(1+SMPLRT_DIV)

②CONFIG

EXT_SYNC_SET be 3 without value of symbol, effect be frame synchronization pin sampling configuration.

③ACCEL_CONFIG

AFS_SEL 2 is without value of symbol.Select the range of accelerometer.

④ACCEL_XOUT_H,ACCEL_XOUT_L,ACCEL_YOUT_H,ACCEL_YOUT_L,ACCEL_ZOUT_H, ACCEL_ZOUT_L

The X-axis acceleration of the last measurement of ACCEL_XOUT storages.

The Y-axis acceleration of the last measurement of ACCEL_YOUT storages.

The Z axis acceleration of the last measurement of ACCEL_ZOUT storages.

5. it is MPU6050 initialization program below：

void InitMPU6050()

{

Single_WriteI2C(PWR_MGMT_1,0x00)；// breaking dormancy state

Single_WriteI2C(SMPLRT_DIV,0x07)；// sample frequency is set

Single_WriteI2C(CONFIG,0x06)；// sampling filter

Single_WriteI2C(ACCEL_CONFIG,0x01)；The setting of // range, self-checking function

}

int GetData(uchar REG_Address)

{

char H,L；

H=Single_ReadI2C (REG_Address)；

L=Single_ReadI2C (REG_Address+1)；

return(H<<8)+L；// generated data

}

The high-low-position of X, Y, Z axis is subjected to Data Synthesis with regard to that can obtain the acceleration information of three axles, that is, large electric The vibration information of equipment, this is exactly of the presently claimed invention.

Selection short message mode can be set with AT+CMGF, can also select character set with AT+CSCS.Present invention selection AT+ CSCS is set.The short message content of English alphabet and numeral can be sent under present invention selection TEXT patterns, the pattern.Use herein T0 Interruption, the T0 timer for being operated in mode 1^16 is, it is necessary to reset initial value manually.Maximum range is 2^ 16us, is set to 20 by P initial value here, the delay of 20*120*50ms=2 minutes is so had at first, here it is GSM Sampling period.This value can be changed with the need.It is noted herein that delay becomes ginseng function sprintf use, due to short Letter sends the content that can only send fixed array and variable gathered in real time and with newly into array, it is necessary to become ginseng function, ability Content in accurate variable transmission array.

SD card typically has two kinds of mode bus, and spi bus pattern only needs to two data transmission lines, and one sends one and connects Receive, host-host protocol is simple, implements and is easier, therefore the present invention uses spi bus pattern.The present invention uses 8G SD cards, And need constantly to write the information collected in SD card, a sector is only write, 512 bytes are inadequate, in addition it is also necessary to do Be constantly to write data to sector one by one, until experiment terminate.And according to polylith operation is write, SD card meeting Data are write on the beginning of each sector, if only 32 bytes, the sector of 512 bytes only has 32 bytes sharp With others can be slatterned, and so store the analysis that the data got off are unfavorable for the later stage.Need to enter the data collected The rational write-in of row is arranged.Following procedure is exactly the solution of this problem.

If (COUNT%4==0)

{

X=GetData (ACCEL_XOUT_H)/64；Y=GetData (ACCEL_YOUT_H)/64；

Z=GetData (ACCEL_ZOUT_H)/64；T=U8T_data_H；R=U8RH_data_H；W=i/10；

Sprintf (ABC, " %d；R%02d, %02d；X%04d, Y%04d, Z%04d ", w, t, r, x, y, z)；

If (c==0) { for (a=0；a<32；A++) { ABCD [a]=ABC [a]；}}

If (c==1) { for (a=0；a<32；A++) { ABCD [a+32]=ABC [a]；}}

If (c==2) { for (a=0；a<32；A++) { ABCD [a+64]=ABC [a]；}}

If (c==3) { for (a=0；a<32；A++) { ABCD [a+96]=ABC [a]；}}

If (c==4) { for (a=0；a<32；A++) { ABCD [a+128]=ABC [a]；}}

If (c==5) { for (a=0；a<32；A++) { ABCD [a+160]=ABC [a]；}}

If (c==6) { for (a=0；a<32；A++) { ABCD [a+192]=ABC [a]；}}

If (c==7) { for (a=0；a<32；A++) { ABCD [a+224]=ABC [a]；}}

If (c==8) { for (a=0；a<32；A++) { ABCD [a+256]=ABC [a]；}}

If (c==9) { for (a=0；a<32；A++) { ABCD [a+288]=ABC [a]；}}

If (c==10) { for (a=0；a<32；A++) { ABCD [a+320]=ABC [a]；}}

If (c==11) { for (a=0；a<32；A++) { ABCD [a+352]=ABC [a]；}}

If (c==12) { for (a=0；a<32；A++) { ABCD [a+384]=ABC [a]；}}

If (c==13) { for (a=0；a<32；A++) { ABCD [a+416]=ABC [a]；}}

If (c==14) { for (a=0；a<32；A++) { ABCD [a+448]=ABC [a]；}}

If (c==15) { for (a=0；a<32；A++) { ABCD [a+480]=ABC [a]；}}

c++；

If (c==16)

{

C=0；

SD_Write_Sector(l,ABCD)；l++；

}

}

First each information is removed first, then in the case where not influenceing result, accurately controls each to write sector Digit, the present invention arranges 32 one group, including space character mark, and 32 digits adopted every time exist in ABCD [512] successively, Until depositing enough 16 times, that is, 1 sector byte number, in the current signified sector of last time write-in SD card, specify fan The variables L (small letter) in area is a long variable, and in the absence of overflow problem, it can start in each experiment, be counted since 0 Number, that is, SD card can since 0 sector write-in data of sector one by one.Here the sampling week of SD card is also set Phase, is 4s.Because the time for writing a sector is exceedingly fast, the normal operation of program is had substantially no effect on, so without worrying CPU execution space can be taken during writing SD card, other functions are stagnated.

By above-mentioned debugging, the correct conclusion of gained.In debugging process, first allow temperature to raise, reach the threshold value of setting, make Generation alarm, GSM successfully sends " alarming！" remind user should be noted；When temperature is not above threshold value, GSM successfully sends desired short message, the information that the content of short message is exactly collected, and can therewith become when information change Change；Time interval between every short message is the same, debugs successfully.

The present invention be X-ray bulb working condition on-line detecting system, its be related to X-ray emission device environment temperature, The online measuring technique field of surface temperature, ambient humidity and vibration acceleration situation, can be applied to include X-ray apparatus In instrument and equipment.The system is by Temperature Humidity Sensor, temperature sensor, vibration acceleration sensor etc., by the number collected Handled according to STC12C5A32S2 SCM systems are sent to, then result is sent to PC ends or mobile terminal in real time, together When a data of storage in SD card, realize that, to electrical equipment humiture information, the real-time monitoring of vibration information, realization is gathered The real-time Transmission of information and storage.The system allows the operator to grasp the working condition of X-ray equipment well, may be used also To read the data in SD card offline, the health parameter to the X-ray bulb course of work is analyzed.

The present invention is using single-chip microcomputer STC12C5A60S2 as master control, the temperature of Temperature Humidity Sensor DHT11 measuring environments and wet Degree, temperature sensor 18B20 measures the surface temperature of X-ray bulb, acceleration transducer MPU6050 measurement X-ray bulbs Vibration acceleration, three's combination is monitored and overall merit to X-ray bulb working condition, because STC12C5A32S2 does not have There is Hardware I2C, so being allowed to successful acquisition according to I2C clock simulation I2C in program and handling.

The information transmission platform of the present invention：RS232 interfaces are left on the hardware of system, number can be realized by opening serial ports 2 According to the transmission with PC ends；Realize gsm communication with the serial ports 1 of single-chip microcomputer, GSM from belt switch, serial ports 1 can with always on, as long as The upper electricity of GSM, it is possible to and main system cooperating, alarm and the transfer function of remote information will be realized；SD card is directly integrated On system board, these information are write into SD card, all information that equipment is started working in FAT32 file system form Record, these information can generate an Excel file, formation is monitored in real time with PC ends, short message remote notification and SD card Online record and the triple safe mechanism combination stored.

Using single-chip microcomputer STC12C5A60S2 as core, the data transfer that each sensor is collected to single-chip microcomputer STC12C5A60S2, then data are decoded with the program finished in advance, the table of instrument and equipment (X-ray bulb) is obtained in real time Face temperature, ambient humidity and temperature, vibration acceleration situation, accurately know the running status of equipment, timely discovering device Problem, is conducive to fault diagnosis, and reliable decision-making foundation is provided to production and maintenance.

Described information transmission platform：RS232 is used for and the communication of PC ends, realizes real-time data transmission to computer end；GSM is used Communicated to realize with customer mobile terminal, can send the SMS on customer mobile terminal, make onsite user and long-distance user all Equipment working state can be understood in time, is given warning in advance, protection equipment is without damage, and long-distance transmissions are exactly on ground apart from each other The exchange of data can be also carried out between point；SD card is integrated on mainboard, like the black box of aircraft, is mainly used to storage experiment During data, be easy to later stage off-line analysis.

Claims (8)

1.X ray tube working condition on-line detecting systems, it is characterised in that provided with environment humidity sensor, TEMP Device, acceleration transducer, microprocessor；The environment humidity sensor is positioned in electric equipment environment, temperature sensor X-ray bulb surface is positioned over acceleration transducer, electrical equipment environment temperature and the humidity of environment humidity sensor are believed The input of number output termination microprocessor, the X-ray bulb surface temperature signal output end and acceleration of temperature sensor are passed The X-ray bulb vibration acceleration signal output end of sensor connects the input of microprocessor, the electrical equipment of microprocessor respectively Situation output port is sent to PS ends by RS232, or/and is sent by GSM to mobile client；

Wherein, the environment humidity sensor, the temperature sensor, the acceleration transducer three combine to form one Measurement mechanism, the real-time monitoring at the PS ends, the short message remote notification of the mobile client, the SD card of the microprocessor exist Line is recorded and storage three's combination is as triple safe mechanism, and the microprocessor is by the measurement mechanism and the triple safe Mechanism is connected.

2. X-ray bulb working condition on-line detecting system as claimed in claim 1, it is characterised in that the ambient temperature and humidity is passed Sensor uses model DHT11 Temperature Humidity Sensor.

3. X-ray bulb working condition on-line detecting system as claimed in claim 1, it is characterised in that the temperature sensor is adopted With model 18B20 temperature sensor.

4. X-ray bulb working condition on-line detecting system as claimed in claim 1, it is characterised in that the acceleration transducer Using model MPU6050 acceleration transducer.

5. X-ray bulb working condition on-line detecting system as claimed in claim 1, it is characterised in that the microprocessor is used Single-chip microcomputer STC12C5A32S2.

6. X-ray bulb working condition on-line detecting system as claimed in claim 1, it is characterised in that compiled using KEIL softwares Journey, Keil C51 compatibility Single Chip C Language, Keil by an IDE (Vision) by C compilers, Macro assembler, Linker, library management and simulation debugger are combined, and realize complete development plan.

7. X-ray bulb working condition on-line detecting system as claimed in claim 1, it is characterised in that the number of information gathering part It is two-way according to transmission, using I2C agreements, I2C buses are worked in the line mode of synchronous serial two：1 clock lines, 1 data line.

8. X-ray bulb working condition on-line detecting system as claimed in claim 1, it is characterised in that the microprocessor is used Spi bus pattern reads and writes high power capacity SD card, and the memory space of SD card is divided into sector form, each byte of sector 512.