CN213875967U

CN213875967U - Detection and debugging tool for xenon lamp high-voltage power supply box

Info

Publication number: CN213875967U
Application number: CN202022277660.8U
Authority: CN
Inventors: 叶腾; 梅丽; 彭国红
Original assignee: Wuhan Miracle Laser Technology Co ltd
Current assignee: Wuhan Miracle Laser Technology Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2021-08-03
Anticipated expiration: 2030-10-14

Abstract

The utility model relates to a detection debugging frock of xenon lamp high voltage power supply box, include: tooling: the device is used for measuring the parameters of the high-voltage power supply box, receiving fault signals of the high-voltage power supply box and starting/forbidding charging and discharging of the high-voltage power supply box; measuring parameters of the high-voltage power supply box, receiving a fault signal of the high-voltage power supply box, and starting/forbidding charging and discharging of the high-voltage power supply box; loading: the capacitor resistor is used as a load circuit, wherein the resistor is used as a bleeder circuit; power supply: the power supply box is used for supplying power to the tool and the high-voltage power supply box; the touch screen is used for setting and displaying parameters for man-machine interaction; the tool is connected with the touch screen, the high-voltage power supply box, the power supply and the load. The utility model provides a current debugging too complicated, and can't make the judgement to the power pack that has a fault, show drawback such as not directly perceived.

Description

Detection and debugging tool for xenon lamp high-voltage power supply box

Technical Field

The utility model relates to a detection debugging frock of xenon lamp high voltage power supply box, concretely relates to ND: a detection and debugging tool for a high-voltage power supply box for xenon lamp lighting in a YAG laser.

Background

The rapid development of laser technology is widely used in the fields of industrial processing, military, medical treatment and the like. Among various medical cosmetic devices, a solid laser is used in many cases. Such as a Nd: YAG Q-switched treatment system for treatment of pigmented lesions of the dermis and removal of dark, eyebrow, tattoo, lines of the eye. The mass population inversion of most solid state lasers is typically pumped by an optical pump to excite a light source of a solid working mass, most commonly a noble gas discharge lamp, i.e., a tube filled with xenon gas and operated in an arc discharge regime. Xenon lamps generally require high voltage discharge voltages of between about 100 and 1000V. In general, a capacitor is charged through a high-voltage power supply box, and then the xenon lamp is discharged through the capacitor to drive the xenon lamp to emit light. The luminance of the xenon lamp is controlled by controlling the charging voltage value of the capacitor, and the luminous power of the laser is further controlled. The high-voltage power supply box is characterized in that 220V alternating current is rectified, then the voltage is boosted through an inverter circuit of four IGBT switching tubes through a transformer, and then direct-current high-voltage electricity is output through a rectifying circuit. In actual production, the highest charging set voltage of the high-voltage power supply box needs to be regulated so as to ensure that the charging voltage is within a safety range. The driving pulse of the gate source of the driving IGBT needs to be adjusted to ensure the resonance of the driving pulse and the output voltage waveform, the minimum switching loss of the IGBT is ensured, and the IGBT is prevented from being simultaneously turned on and burned out. Or some damaged high-voltage power supply boxes repaired after sale and the like, all the parameters of the high-voltage power supply boxes need to be tested and rechecked to determine that the high-voltage power supply boxes are normal. Specifically, the period/frequency of the driving pulse of the IGBT is required to be adjusted to be 30us/34KHz, the positive pulse width of the pulse is required to be 13us, the maximum charging setting voltage is adjusted to be 9.5V, the voltage value of the load voltage is required to be measured, and the voltage value of the driving voltage is required to be set. The current detection mode is to use an enable signal to enable a high-voltage power supply box to work, then use a multimeter to measure driving voltage, set the voltage and use an oscilloscope to observe the frequency and positive pulse width of the gate source driving pulse of the IGBT switching tube. The set voltage and pulse frequency and positive pulse width are then adjusted. When the power supply box breaks down, the judgment is difficult. And three multimeters and one oscilloscope are needed to be used, so that the operation is complex and the working hour is consumed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a detection debugging frock of xenon lamp high voltage power supply box has solved current debugging too complicated, and can't make the judgement to the power supply box that has a fault, shows drawback such as not directly perceived.

In order to achieve the above purpose, the utility model discloses there is following technical scheme:

the utility model discloses a detection debugging frock of xenon lamp high voltage power supply box, include:

tooling: the device is used for measuring the parameters of the high-voltage power supply box, receiving fault signals of the high-voltage power supply box and starting/forbidding charging and discharging of the high-voltage power supply box;

loading: the capacitor resistor is used as a load circuit, wherein the resistor is used as a bleeder circuit;

power supply: the power supply box is used for supplying power to the tool and the high-voltage power supply box;

the touch screen is used for setting and displaying parameters for man-machine interaction;

the tool is connected with the touch screen, the high-voltage power supply box, the power supply and the load.

Wherein the touch screen is connected with a sixth wiring terminal (J6) of the main control panel through a first wiring terminal (J1-2) of the touch screen, the first wiring terminal (J1-1) of the high-voltage power supply box, the third wiring terminal (J3-1) of the high-voltage power supply box and the fourth wiring terminal (J4-1) of the high-voltage power supply box are respectively connected with the first wiring terminal (J1) of the main control panel, the high-voltage power supply box comprises a main control board fifth wiring end (J5) and a main control board third wiring end (J3), a high-voltage power supply box fifth wiring end (J5-1) is connected with a load first wiring end (J1-4), a load second wiring end (J2-4) is connected with a main control board fourth wiring end (J4), a switch power supply first wiring end (J1-3) is connected with a high-voltage power supply box second wiring end (J2-1), and the main control board second wiring end (J2) is connected.

The tool is a main control board which comprises a microprocessor, a three-terminal voltage stabilizing circuit, a watchdog circuit, a serial port communication circuit communicated with the touch screen, a digital-to-analog conversion circuit, an analog-to-digital conversion circuit, a voltage measuring circuit, a pulse width measuring circuit and a discharge voltage sampling circuit; the microprocessor is respectively connected with a watchdog circuit and a serial port communication circuit communicated with the touch screen, the microprocessor is connected with the buzzer through a 5 th triode Q5 amplifying circuit, the microprocessor is connected with an LED green working indicator lamp through a 4 th triode Q4 amplifying circuit, the microprocessor is connected with an LED over-temperature indicator lamp through a 1 st triode Q1, the microprocessor is connected with an LED over-voltage indicator lamp through a2 nd triode Q2, the microprocessor is connected with an LED charging end indicator lamp through a 3 rd triode Q3, a digital-to-analog conversion circuit is connected with the microprocessor, the digital-to-analog conversion circuit is used for setting charging voltage of a high-voltage power box, the analog-to-digital conversion circuit is respectively connected with a voltage measuring circuit, a pulse width measuring circuit and a discharging voltage sampling circuit, the analog-to-digital conversion circuit is used for measuring parameters of the high-voltage power box, VCC ends of the three-terminal voltage stabilizing circuit are respectively connected with a VCC end of the microprocessor and a VCC end of the watchdog circuit, the serial port communication circuit VCC end with the touch-sensitive screen communication, LED excess temperature pilot lamp VCC end, LED excessive pressure pilot lamp VCC end, LED end of charging pilot lamp VCC end, digital analog conversion circuit VCC end, analog to digital conversion circuit VCC end are connected.

Owing to adopted above technical scheme, the utility model has the advantages of:

the utility model designs a main control board, which uses the touch screen to output display parameters, uses the capacitance and resistance in parallel connection as a load, and controls and collects the signals of the high-voltage power supply box through the connection of the first wiring terminal J1-1 of the high-voltage power supply box and the first wiring terminal J1 of the main control board; the universal meter is omitted, the oscilloscope is used for measurement, the microprocessor of the main control panel is directly used for outputting driving voltage through the digital-to-analog conversion circuit, the analog-to-digital conversion circuit of the main control panel is used for measuring voltage, and the PCA comparison/capture module of the microprocessor is used for measuring parameters such as the period/frequency and the positive pulse width of the IGBT charging waveform; fault signals such as over-temperature and over-voltage are monitored and tested in real time, and a fault point is convenient to maintain and determine; and the debugging is simple, all parameters are displayed on one screen, the structure is simple, and the device can be used for production, debugging and maintenance work of the high-voltage power supply box.

Drawings

Fig. 1 is a schematic diagram of the structure block of the tool of the present invention.

Fig. 2 is a schematic view of the connection line of the tool of the present invention.

Fig. 3 is a schematic circuit diagram of the tool of the present invention.

Fig. 4 is a work flow chart of the tool of the present invention.

In the figure: 1. a power source; 2. a touch screen; 3. assembling; 4. a high voltage power supply box; 5. a load; j1, a first terminal of the main control board; j2, a second terminal of the main control board; j3, a third terminal J4 of the main control board and a fourth terminal of the main control board; j5, a fifth terminal of the main control board; j6, a sixth terminal of the main control board; j1-1, a first terminal of a high-voltage power supply box; j2-1, a second terminal of the high-voltage power supply box; j3-1, a third terminal of the high-voltage power supply box; j4-1, a fourth terminal of the high-voltage power supply box; j5-1, a fifth terminal of a high-voltage power supply box; j1-2, a first terminal of the touch screen; j1-3, a first power supply terminal; j1-4, load first terminal; j2-4, load second terminal; u1, an analog-to-digital conversion circuit; u2, a digital-to-analog conversion circuit; u3: a buzzer; u4, a microprocessor; u5, three-terminal regulated power supply; u6, voltage follower; u8, a serial port communication circuit for communicating with the touch screen; d1, an LED over-temperature indicator lamp; d2, an LED overvoltage indicator lamp; d4, an LED charging end indicator light; d5, an LED green work indicator lamp; d6, an LED power indicator lamp; q1: a 1 st triode; q2: a2 nd triode; q3: a third triode; q4: a 4 th triode; q5: a 5 th triode; w1, W2, W3, W4, W5, W1-1, W2-1: a potentiometer; r1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23, R24: a resistance; c1, C2, C3, C4, C5, C6, C7, C8, C9, 10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C21, C22: a capacitor; y1: and (5) crystal oscillation.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1:

a detecting and debugging tool for a xenon lamp high-voltage power supply box comprises a main control board, a touch screen, a high-voltage power supply box, a control board and a control board, wherein the main control board is used for controlling the high-voltage power supply box to be connected with the touch screen, measuring parameters of the high-voltage power supply box, receiving a fault signal of the high-voltage power supply box and starting/forbidding charging and discharging of the high-voltage power supply box;

loading: the capacitor resistor is used as a load circuit, the resistor is used as a bleeder circuit, and 2 capacitors of 100uf/1400V and 4 resistors of 10W and 100K are connected in parallel for the load;

power supply: the switching power supply provides a +12V power supply for the tool main control board and supplies 220V commercial power for the high-voltage power supply box;

the touch screen is used for setting and displaying parameters for man-machine interaction, a DWIN8 inch liquid crystal screen DMT8060K080_03WT of Divin company is adopted, the resolution is 800x600, the touch screen is based on intelligent man-machine system software designed by Beijing Divin company based on K600+ kernel, a DGUS screen works based on configuration files, and the whole development process is to complete a variable configuration file process through the design of PC software DGUSTOOL 5.04.

As shown in fig. 2:

the high-voltage power supply box structure is as follows: 220V alternating current is input to a second terminal J2-1 port of the high-voltage power supply box, is converted into high-voltage direct current through 4 IGBT inverter circuits and is boosted and rectified by a transformer, the grid source voltage of the IGBT is driven to be two groups of switching signals, and a multi-harmonic oscillation circuit on the high-voltage power supply box is connected with a monostable circuit and a frequency division circuit to generate two groups of switching signals; the frequency of the multivibrator circuit can be adjusted by means of a potentiometer W1-1, and the positive pulse width of the switching signal can be adjusted by means of a potentiometer W2-1. The highest charging voltage can be set on the high-voltage power supply box through a potentiometer W3-1; when the load voltage is too high and the sampling voltage is higher than the highest set voltage, the high-voltage power supply box outputs an OVER VOL overvoltage fault signal; when the power consumption of the IGBT switching tube is overlarge and the temperature exceeds 75 ℃, the temperature switch is switched off, and the high-voltage power supply box outputs a TMP OVER OVER-temperature fault signal; the drive voltage is compared to the load sample voltage and a charge termination signal END CHARGE is output when the sample voltage is higher than the drive voltage. EN/inhibit is a charge enable/disable signal; signals OVER VOL, TMP OVER, EN/INHIBT and END CHARGE of the first terminal J1 of the main control board are connected with a HV POWER CTL port of the first terminal J1-1 of the high-voltage POWER supply box; and the port HV + of the first terminal J5-1 of the high-voltage power supply box is a high-voltage output port to charge the load.

The touch screen is connected with the main control board through the SIP8 terminal, carries out serial ports communication with the main control board, and the connecting wire includes GND +12V power cord, DIN DOUT data communication line. LED excess temperature pilot lamp VCC end, LED overvoltage pilot lamp VCC end, LED end of charging pilot lamp VCC end, LED green work pilot lamp

As shown in fig. 3, the main control board according to the embodiment of the present invention includes: the device comprises a microprocessor U4, a three-terminal voltage stabilizing circuit U5, a watchdog circuit U7, a serial port communication circuit U8 communicated with a touch screen, and a digital-to-analog conversion circuit U2 for setting charging voltage of a high-voltage power supply box; the analog-to-digital conversion circuit U1 is used for measuring parameters of the high-voltage power supply box; the LED over-temperature indicator lamp, the LED over-voltage indicator lamp, the LED charging end indicator lamp and the LED green working indicator lamp are used for acousto-optic display; the buzzer is used for alarming; the device comprises a voltage measuring circuit, a pulse width measuring circuit and a discharge voltage sampling circuit; the microprocessor U4 enables pins of I/O ports of the first module and the second module of the PCA timing/counter module to be P1.4, and P1.5 measures the drive waveform of the IGBT; the LED green work indicator lamp D5 indicates charging under the condition of flickering; in the discharge voltage sampling circuit, the load voltage adopts resistance voltage division sampling, and an overvoltage signal (the load end is higher than the highest setting voltage) OVER VOL; an OVER-temperature signal (the temperature of an IGBT switching tube exceeds 75 ℃) TMP OVER signal is collected by the microprocessor, and an LED charging end indicator lamp indicates the end of charging; a first terminal J1 port of the main control board is a signal interface of a HV POWER CTL of a high-voltage POWER supply box, and comprises signals of OVER VOL, TMP OVER, EN/INHIBT, END CHARGE and VOL OUT; a voltage measuring circuit is arranged, load voltage samples are input through a third terminal J3 (GND VOL DRI VOL SET) port of the main control board, 1.5K resistors R7 and R8 are connected in series with 1K potentiometers W2 and W3 to convert 0-12V voltage into 0-5V voltage, and the 0-5V voltage is input into an analog-digital conversion circuit U1; a PULSE width measuring circuit is arranged, PULSE width measurement is input through a GND PULSE1 PULSE2 port of a fifth terminal J5 of the main control board, 1.5K resistors R17 and R18 are connected in series with 1K potentiometers W4 and W5, 0-12V voltage is converted into 0-5V voltage, and the 0-5V voltage is input into an analog-digital conversion circuit U1; a discharge voltage sampling circuit is arranged, a load samples a GND VOL SAMP signal end passing through a fourth terminal J4 port of the main control board, a 10M resistor R3 and a 5K potentiometer W1 are connected in series for voltage division, so that the load voltage of a capacitor resistor is converted into 0-1000V voltage, and the voltage is input into an analog-digital conversion circuit U1; the potentiometer W1 mainly has the voltage division function, so that the measurement voltage is in a normal range, and the potentiometer W1 is adjusted and corrected to enable the measurement voltage to be accurate; the four capacitors C6, C7, C8 and C9 form a filter circuit, and the filter circuit is connected with the three-terminal voltage stabilizing circuit U5 and can stabilize the output of the three-terminal voltage stabilizing circuit.

As shown in fig. 4, the work flow of the present invention is: after the tool is powered on, 220V mains supply supplies power to the high-voltage power supply box through a second terminal J2-1 port of the high-voltage power supply box, the 12V power supply supplies power to the tool main control board, the touch screen is bright after the tool main control board is powered on, the system enters a password input interface, an operator inputs a password, and the operator can enter a working interface if the password is correct. The password is judged by reading the password display variable circularly, comparing each digit value of the variable with the preset password, and if the two are completely matched with the password, the password is correct, otherwise, the password is wrong. If the password is correct, a working interface is displayed, the working interface can cyclically detect OVER-temperature (TMP OVER) and OVER-voltage (OVER VOL) signals, and when the OVER-temperature signals and the OVER VOL OVER-voltage signals are detected, the microprocessor controls corresponding LED indicator lamps, such as a D1 OVER-temperature indicator lamp and a D2 OVER-voltage indicator lamp; the buzzer U3 sounds, and the specific information of the fault is displayed on the fault display frame of the touch screen; the microprocessor detects the set voltage and the load voltage value through the voltage division circuit, the set voltage and the load voltage value are collected by the microprocessor U4 through the analog-to-digital conversion circuit U1, and then the set voltage value and the load voltage value are displayed on the touch screen. The microprocessor detects the pulse signal through the ports P1.4 and P1.5, captures the signal edge signal, calculates the period and the positive pulse width and displays the period and the positive pulse width on the touch screen. The operator inputs the driving voltage through the keyboard. The steps are executed circularly, when an operator presses a start button, the microprocessor outputs the driving voltage variable value to the VOL OUT port of the first terminal J1 of the main control board through the digital-to-analog conversion circuit, and sets the EN/INHIBIT signal to a high level enabling tool to start charging the load capacitor resistor. At this time, the LED green operation indicating lamp D5 blinks to indicate that charging is being performed. The charging voltage value should be the set driving voltage value.

The above is the work flow of this frock, and the high voltage power supply box that does not debug need through the debugging, and the debugging step is: and electrifying the tool system, inputting a password and entering a work debugging interface. The high-voltage power supply box W1-1 potentiometer is adjusted to enable the period/frequency of the touch screen driving pulse to be 30us/34KHz, the potentiometer W2-1 is adjusted to enable the positive pulse width of the touch screen pulse to be 13us, and the potentiometer W3-1 is adjusted to enable the maximum charging set voltage to be 9.5V, so that the maximum charging voltage is limited to 950V. After the parameters are adjusted, the driving voltage value is slowly adjusted, the charging voltage at two ends of the capacitor is increased along with the increase of the driving value, the IGBT charging waveform is in period/frequency, the parameters such as positive pulse width and the like are displayed as 17us/30KHz and 13 us. When the driving voltage is greater than the set voltage, the IGBT charging waveform should disappear, parameters such as the IGBT charging waveform period/frequency and the positive pulse width on the touch screen should be all 0, and the LED overvoltage indicator lamp D2 on the tool should be lightened, and the touch screen should display' failure: overvoltage protection "and a buzzer U3 gives an alarm. Place the temperature switch on the power pack in 100 degrees hot water, LED overtemperature prote pilot lamp D1 should be bright on the frock, and the touch-sensitive screen should show "trouble: over-temperature protection and buzzer U3 sounding alarm; in the charging process of the high-voltage power supply box, the LED charging end indicator lamp D4 is required to continuously flash after charging, and the high-voltage power supply box is debugged.

The load 5 is formed by connecting two 100u/1400V capacitors 4 10W/100K resistors in parallel, a first load terminal J1-4 is a WJ2EDGK-5.08-2P connection plug, and a second load terminal J2-4 is a VH-2A and 2P connection terminal.

The power supply adopts a bright weft NET-35B switching power supply to supply power to a second terminal J2 of the main control board, and 220V input voltage is connected to the power supply input end of the high-voltage power supply box in parallel: and a second terminal J2-1 of the high-voltage power supply box.

The high-voltage power supply box 4 is an ML-3080Q, ML-QUEEN93 high-voltage power supply box produced by Qizhi laser company, and a first terminal J1-1 of the high-voltage power supply box is as follows: the high-voltage POWER supply comprises XH-8A and 8P terminal ports HV POWER CONTRL (EN/INHIBT enabling signals, TMP OVER OVER-temperature signals, VOL OUT driving voltage output signals, OVER VOL charging voltage OVER-voltage signals and END CHANRGE charging end signals), a second terminal J2-1 of a high-voltage POWER supply box is a WJ2EDGK-5.08-2P terminal port for inputting 220V commercial POWER, a third terminal J3-1 of the high-voltage POWER supply box is a driving voltage VOL DRI for setting a voltage VOL SET, a fourth terminal J4-1 of the high-voltage POWER supply box is an XH-4A and 4P terminal port, and a fifth terminal J5-1 of the high-voltage POWER supply box is HV +, HV-high-voltage output interface WJ2 EDGK-5.08-2P.

The control principle of the control circuit of the main control board 3 is respectively as follows: the microcontroller U4 is communicated with the touch screen 2 and is responsible for inputting and outputting signals; three-terminal voltage stabilization block U5: 12V is input to the outside through a second terminal J2 of the main control board, filtered by a capacitor C10 and a capacitor C11 and grounded for an LED power indicator lamp D6 through a current-limiting resistor R19; and the input power chip U5(LM7805) becomes VCC5V power after voltage reduction and stabilization. When the power supply 12V is inputted to the second terminal J2 of the main control panel, the LED green working indicator lamp D6 lights, which indicates that 3 the main control panel is powered on. The watchdog circuit U7(MAX813) is used for system recovery after system interference crash occurs, when a program normally runs, a pulse signal is sent to a 6-pin WDI of the watchdog circuit U7, if the interference signal exceeds 1.6S, the pulse signal cannot be received, a 7-pin sends out a reset pulse, and the microprocessor resets and works again. In a serial port communication circuit communicated with the touch screen, a level conversion chip U8(MAX232) is used for converting TTL level output by a singlechip into 232 level which can be received by the touch screen 2; the digital-to-analog conversion circuit U2(TLC5618) is a serial digital-to-analog conversion chip, a VCC5V power supply is grounded through R20 through capacitors C14, C15 and a voltage regulator tube D7 to provide 2.5V reference voltage; the digital-to-analog conversion circuit is connected with a microprocessor U4(SST89E516RD) through microprocessor pins U25618DIN, 5618CLK and 5618CS, and the digital-to-analog conversion circuit outputs voltage through a 4-pin of a voltage follower U6(OPA 2350); the analog-to-digital conversion circuit U1(TLC2543CN) is used for collecting a set voltage driving voltage, the reference voltage is 5V, the high-voltage power box 4 is connected to a third terminal J3 port of the main control board 3 through a fourth terminal J4-1 of the high-voltage power box, the third terminal J3 port of the main control board 3 is grounded through resistors R7, R8, potentiometers W2 and W3, 12V voltage output by the high-voltage power box 4 is converted into 5V internal voltage to be sampled by the analog-to-digital conversion circuit U1(TLC2543CN), and the sampled voltage value can be calibrated by adjusting the potentiometers W2 and W3. D1, D2 are red indicator lamps, D4 is a green indicator lamp, and under the control of the pins P05, P06 and P07 of the microprocessor U4(SST89E516RD), when signals of TMP OVER, OVER VOL and END CHARGE are input from the first terminal J1 port of the main control board, the microprocessor U4(SST89E516RD) controls the base voltage of the 1 st triode Q1/the 2 nd triode Q2/the 3 rd triode Q3 to control the red indicator lamp to be on so as to indicate an overvoltage signal (the load end is higher than the highest setting voltage) OVER VOL, an overtemperature signal (the temperature of an IGBT switch tube exceeds 75 ℃) TMP OVER signal, and the green indicator lamp indicates a END CHARGE ending signal to indicate the end of charging. U3 is a buzzer, when an over-temperature and over-voltage signal occurs, the tool needs to stop working, at this time, the microprocessor U4(SST89E516RD) controls the voltage of a P1.3 pin to enable a 5 th triode Q5 to be conducted, the buzzer U3 makes a sound, meanwhile, the microprocessor U4(SST89E516RD) pulls down an enable signal EN/INHIBT, and the tool stops charging. D5 is the work pilot lamp that charges, and when enable signal EN/INHIBT pulled high the enable, the frock began to charge, and microprocessor U4(SST89E516RD) this moment controls the voltage of P1.2 foot and makes 4 th triode Q4 switch on, and D5 is bright.

The method for measuring the IGBT driving waveform by the P1.4, P1.5I/O port of the microprocessor U4 comprises the following steps: setting a PCA timing/counter of a microprocessor U4 as an input capture mode, setting ports P1.4 and P1.5 as rising edge trigger, capturing the value of a current PCA count register (CH/CL) by capture registers (CCAPnL and CCAPnH) when a pulse rising edge comes, then resetting the count value by an interrupt program, wherein the I/O port P1.4 is a rising edge trigger mode, and the I/O port P1.5 is a falling edge trigger mode; thus, when the next rising edge of the port P1.4 comes again, the value of the capture registers (CCAPnL and CCAPnH) can calculate the period and the frequency of the IGBT driving waveform according to the counting frequency of the timer; when the next falling edge of the port P1.5 comes again, the value of the capture registers (CCAPnL and CCAPnH) can calculate the positive pulse width of the IGBT driving waveform according to the counting frequency of the timer.

The power supply adopts a plain weft NET-35B switching power supply to supply power to the second connector J2 of the main control board, and 220V input voltage is connected in parallel to the power supply input end of the high-voltage power supply box, namely the second connector J2-1 of the high-voltage power supply box.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.

Claims

1. The utility model provides a detection debugging frock of xenon lamp high voltage power supply box which characterized in that includes:

2. The detection and debugging tool for the xenon lamp high-voltage power supply box according to claim 1, characterized in that: the touch screen is connected with a sixth wiring end (J6) of the main control panel through a first wiring end (J1-2) of the touch screen, the first wiring end (J1-1) of the high-voltage power supply box, the third wiring end (J3-1) of the high-voltage power supply box and the fourth wiring end (J4-1) of the high-voltage power supply box are respectively connected with the first wiring end (J1) of the main control panel, the high-voltage power supply box comprises a main control board fifth wiring end (J5) and a main control board third wiring end (J3), a high-voltage power supply box fifth wiring end (J5-1) is connected with a load first wiring end (J1-4), a load second wiring end (J2-4) is connected with a main control board fourth wiring end (J4), a switch power supply first wiring end (J1-3) is connected with a high-voltage power supply box second wiring end (J2-1), and the main control board second wiring end (J2) is connected.

3. The detection and debugging tool for the xenon lamp high-voltage power supply box according to claim 1, characterized in that: the tool is a main control board which comprises a microprocessor, a three-terminal voltage stabilizing circuit, a watchdog circuit, a serial port communication circuit communicated with the touch screen, a digital-to-analog conversion circuit, an analog-to-digital conversion circuit, a voltage measuring circuit, a pulse width measuring circuit and a discharge voltage sampling circuit; the microprocessor is respectively connected with a watchdog circuit and a serial port communication circuit communicated with the touch screen, the microprocessor is connected with the buzzer through a 5 th triode (Q5) amplifying circuit, the microprocessor is connected with the LED green work indicator lamp through a 4 th triode (Q4) amplifying circuit, the microprocessor is connected with the LED over-temperature indicator lamp through a 1 st triode (Q1), the microprocessor is connected with the LED over-voltage indicator lamp through a2 nd triode (Q2), the microprocessor is connected with the LED charging end indicator lamp through a 3 rd triode (Q3), a digital-to-analog conversion circuit is connected with the microprocessor, the digital-to-analog conversion circuit is used for setting the charging voltage of the high-voltage power box, the analog-to-digital conversion circuit is respectively connected with a voltage measuring circuit, a pulse width measuring circuit and a discharging voltage sampling circuit, the analog-to-digital conversion circuit is used for measuring the parameters of the high-voltage power box, and VCC ends of the three-terminal voltage stabilizing circuits are respectively connected with VCC ends of the microprocessor, the watch dog circuit VCC end, with the serial ports communication circuit VCC end of touch-sensitive screen communication, LED overtemperature indicator VCC end, LED overvoltage indicator VCC end, LED charge end indicator VCC end, digital-to-analog conversion circuit VCC end, analog-to-digital conversion circuit VCC end are connected.