CN203772235U - Thickness meter - Google Patents
Thickness meter Download PDFInfo
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- CN203772235U CN203772235U CN201420113808.6U CN201420113808U CN203772235U CN 203772235 U CN203772235 U CN 203772235U CN 201420113808 U CN201420113808 U CN 201420113808U CN 203772235 U CN203772235 U CN 203772235U
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- radiographic source
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Abstract
The utility model discloses a thickness meter and relates to the field of measurement devices. The thickness meter includes a control terminal, a main electrical cabinet and water cooled box. The control terminal is connected with the main electrical cabinet. A C-shaped frame includes an upper cantilever and a lower cantilever, which are arranged horizontally. The upper cantilever and the lower cantilever are connected through a support arm vertical to the upper cantilever and the lower cantilever. Both of the upper cantilever and the lower cantilever of the C-shaped frame are equipped with air temperature detectors. A C-shaped travel driving device which matches the C-shaped frame is arranged on the inner wall of the C-shaped frame. A driving motor is arranged on the outer wall of the C-shaped frame. The driving motor is connected with the travel driving device. A wiring box, the main electrical cabinet and the water-cooled box are connected with the C-shaped frame. One end of the upper cantilever, far from the support arm, is equipped with a signal detector. One end of the lower cantilever, far from the support arm, is provided with a radiation source. The utility model aims at solving a technical problem of providing a thickness meter which is accurate in measurement.
Description
Technical field
The utility model relates to measuring equipment field, relates in particular to a kind of thicknessmeter.
Background technology
Existing integrated radiographic source is that ray tube and high-voltage generator are positioned at same leakproof fuel cell, because ray tube can produce amount of heat in the time working, cause the oil temperature in whole leakproof fuel cell to raise gradually, along with the rising of temperature, the decreasing insulating of insulating oil.In addition, high-voltage generator also has higher requirement (requiring 35 DEG C of <) to working temperature, if temperature exceedes 35 DEG C, the serviceability of high-voltage generator and reliability can reduce by 60%.For the problems referred to above, the way of previous method and more external manufacturers is to provide an independently cooling circulating water device to integrated radiographic source 9, goes to control integrated radiogenic working temperature, ensures radiogenic reliability.
This thicknessmeter is according to user's actual service conditions, novelty has proposed the high pressure of high-power X ray generation systems and separating of ray generator, its meaning has been to reduce maintenance workload and the maintenance cost of equipment, for high precision, without the universal solid foundation of having established of the X-ray thickness gauge of isotope radioactive source, and will contribute for the raising of industry equipment and the adjustment of product structure.Supporting high-power (160KV/5mA, 800W) ray high-voltage power supply of the high-power x-ray source of high pressure separate type is sealed in separately in Stainless Steel Shell, can confess+80KV and-the two-way anode and cathode high pressure of 80KV.Radiographic source adopts high-tension cable to be connected with supporting high pressure, reaches 10m distance most.Overcoming ray tube energy increases the problem decaying with service time, calculate by the Reflectance auto-compensation of built-in print, realizes automatic energy compensation.
Utility model content
Technical problem to be solved in the utility model be to provide a kind of cooling condition requirement low, measure accurate thicknessmeter.
To achieve these goals, the technical scheme that the utility model is taked is: a kind of thicknessmeter, described thicknessmeter comprises control terminal, main electric cabinet, high-voltage power supply, junction box, water cooling box and C type frame, described main electric cabinet connects control terminal and junction box, and high-voltage power supply, water cooling box and junction box are connected respectively C type frame; Described C type frame comprises horizontally disposed upper cantilever and lower cantalever, between upper cantilever and lower cantalever, connects by perpendicular sway brace; Upper cantilever, the lower cantalever of C type frame are all equipped with air themperature detector; The travel driving unit that the C type mating with it is set on inwall of C type frame, is provided with drive motor on the outer wall of C type frame, and drive motor connects travel driving unit; Signal detector is equipped with in upper cantilever one end far away apart from sway brace, and lower cantalever one end far away apart from sway brace arranges radiographic source.
Preferably, described control terminal is technical grade computing machine, comprises bus duct, display and keyboard, is inserted with in order DIO plate, analog output, numbered card, analog input AI and CPU board on described bus duct.
Preferably, described radiographic source comprises print case, and shutter and model that electromagnetic device drives are set in print case, and air cleaning device is also set on described radiographic source.
Preferably, the side of described travel driving unit arranges front limit stop block and is mated front limit switch, the rear positive stop of use and is mated the rear limit switch of use.
Preferably, described main electricity is provided with long-range/field control switch, C type frame forward/back button, shutter on/off button and EmS button cashier's office in a shop.
The beneficial effects of the utility model are: radiographic source (at lower cantalever 7) and detecting device (signal detector of upper cantilever) that thicknessmeter is installed on C type frame.On C type frame, travel driving unit is housed, it can be moved in orbit, the precision calibration work of easy access and equipment.C type frame upper cantilever rear portion is equipped with working station indicator.The afterbody of whole C type frame is equipped with cable traction system, ensures that cable can flexible motion and be without prejudice.If cannot reach requirement time, can use some shielding means in distance, as add cartridge plate and stop; The place of observing at needs, also can be used leadization glass.No matter use which kind of means, object is all to reduce radiation, and the injury of the ray in this thicknessmeter to people, as long as be no more than limit, can recover through having a rest.The radiographic source system of thicknessmeter adopts the high-power radiographic source of high pressure separate type, the energy difference using according to different application scene, radiographic source top is provided with print case, shutter and model that print case inside has electromagnetic device to drive, shutter close at ordinary times, ray is all stopped, in a safe condition; The high-tension circuit of high stability provides the normal work of ionization chamber required external high pressure.Upper lower cantalever at C type frame is all equipped with air themperature detector, and the measured deviation that is used for air temperature variations to cause compensates.The EmS arranging on junction box, in the time finding that dangerous situation needs the work of thicknessmeter emergent stopping, presses this button, and thicknessmeter can enter following state: radiographic source is closed immediately.C type frame stops on the spot.Like this, can ensure the person and the safety of equipment on junction box except danger button, also have one group of C type frame and shutter control button to be used for realizing the on-the-spot control to thicknessmeter, contribute to the maintenance job of equipment, the effect of long-range/field control switch is exactly to select main electric cabinet control or on-the-spot button control, in the time that switch is beaten in " Long-distance Control " position, by main electric cabinet signal controlling C type frame and shutter; In the time that switch is beaten in " field control " position, by the button control of field wiring case.In the time that said " long-range/field control " switch is placed in " scene " position, can, by the driving into and returning of junction box's C type frame advance and retreat button control C type frame, facilitate maintenance and the functional test of equipment above.
This thicknessmeter is according to actual service conditions, the high pressure of high-power X ray generation systems and separating of ray generator are proposed, its meaning has been to reduce maintenance workload and the maintenance cost of equipment, for high precision, lay a good foundation without the universal of X-ray thickness gauge of isotope radioactive source.Supporting high-power (160KV/5mA, 800W) ray high-voltage power supply of the high-power x-ray source of high pressure separate type is sealed in separately in Stainless Steel Shell, can confess+80KV and-the two-way anode and cathode high pressure of 80KV.Radiographic source adopts high-tension cable to be connected with supporting high pressure, reaches 10m distance most.Overcoming ray tube energy increases the problem decaying with service time, calculate by the Reflectance auto-compensation of built-in print, realizes automatic energy compensation.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of thicknessmeter of the utility model;
Fig. 2 is the control terminal structural representation of a kind of thicknessmeter of the utility model;
Fig. 3 is the C type shelf structure schematic diagram of a kind of thicknessmeter of the utility model;
Fig. 4 is the main electric cabinet schematic diagram of a kind of thicknessmeter of the utility model;
Fig. 5 is the water cooling box structural representation of a kind of thicknessmeter of the utility model;
Wherein: 1. control terminal, 2. main electric cabinet, 3. water cooling box, 4. high-voltage power supply, 5. junction box, 6. upper cantilever, 7. lower cantalever, 8. signal detector, 9. radiographic source, 10. sway brace, 11. bus ducts, 12. displays, 13. keyboards, 61. air themperature detectors, 62. travel driving units, 63. drive motor, 64. signal detectors, 65. radiographic sources, 71. print casees, 72. shutters, 73. models, 74 air cleaning devices.
Embodiment
In order to deepen, to understanding of the present utility model, below in conjunction with embodiment and accompanying drawing, the utility model to be further described, this embodiment only, for explaining the utility model, does not form the restriction of the utility model protection domain.
Describe preferred implementation of the present utility model in detail below in conjunction with accompanying drawing 1: the thicknessmeter in the utility model is by C type frame: the signal detector 8 that comprises upper cantilever 6, the radiographic source 9 of lower cantalever 7, junction box 5, Pneumatic controlled box, the main electric cabinet 2 of electric apparatus room, operating terminal 1 forms.
The radiographic source 9(of thicknessmeter is installed at lower cantalever 7 on C type frame) and detecting device (signal detector 8 of upper cantilever 6).On C type frame, travel driving unit 62 is housed, it can be moved in orbit, the precision calibration work of easy access and equipment.C type frame upper cantilever 6 rear portions are equipped with working station indicator.The afterbody of whole C type frame is equipped with cable traction system, ensures that cable can flexible motion and be without prejudice.In the upper cantilever of C type frame, the front portion of lower cantalever 7, signal detector 8 and radiographic source 9 are housed respectively, C type frame is by hydraulic oil cylinder driving.In upper cantilever 6, have to signal detector 8, lower cantalever 7 and have radiographic source 9 and cable, tracheae etc.
Radiographic source 9 systems of thicknessmeter adopt the high-power radiographic source 9 of high pressure separate type, the energy difference using according to different application scene, radiographic source top is provided with print case 71, shutter 72 and model 73 that print case 71 inside have electromagnetic device (spiral pipe) to drive, shutter 72 is closed at ordinary times, ray is all stopped, (leaking lower than national safety standard) in a safe condition.In the time that equipment is worked, the action of electric screw pipe, pushes shutter 72 open, and beamon is to testee.Be contained in position transducer in print case 71 and send the position signalling of shutter 72 simultaneously, the duty of instruction radiographic source 9.There is purge gas in C type frame window surface, aborning foreign matter is blown away from window, ensure the accuracy of measuring.Do not having under the condition of power supply, radiographic source 9 is in the safe condition without ray.If radiographic source 9 has been powered, in the time that shutter 72 is closed, its leakage radiation amount is in the safe range of GB.The signal detector 8 of gamma thickness gage completes the measuring ability of the radiographic density that penetrates aluminium sheet, and it is made up of ionization chamber, high-pressure modular and preamplification board three parts.In the time that X ray shines on the ionization chamber window of signal detector 8, cause the ionisation effect of intracavity gas, produce weak current.High power low noise operational amplifier on preamplification board amplifies signal, after junction box's switching, deliver to the rearmounted amplification board of main electric cabinet in differential signal mode and amplify, amplify rear maximum voltage in 10V, then deliver on the analog acquisition card terminal of principal computer.The high-tension circuit of high stability provides the normal work of ionization chamber required external high pressure.Due to the needs of thicknessmeter work and maintenance, C type frame is mounted in the walking of can advancing and retreat on track.The travel driving unit working method of thicknessmeter comprises motor/chain drive and hydraulic oil cylinder driving mode.In the time that C type frame drives measuring position into, the front limit switch that is arranged on C type frame side can be encountered on front limit stop block, this switch can provide a switching value signal, this signal is delivered to DIO isolation drive plate and is carried out signal processing after junction box, arrive afterwards on the DIO plate of principal computer, software is read the position signalling of C type frame.Meanwhile, the control signal (or by fuel feeding of solenoid valve shuts oil cylinder) of drive motor can be sent by relay in another pair of contact of front limit switch, makes the stop motion of C type frame.When C type frame is from front limit stop block is got back to when positive stop, rear limit switch will be encountered rear positive stop, and its principle of work and said process are similar.At thicknessmeter C type frame upper cantilever 6, radiographic source 9 working station indicators are housed.Wherein amber light instruction radiographic source 9 duties, this lamp shows when bright that radiographic source 9 is in work, if do not worked, expression radiographic source 9 is not worked; In the time that thicknessmeter is unmeasured, radiogenic shutter 72 is in closed condition, and the green light in portable lamp group, represents it is now safe.In the time that thicknessmeter enters measuring state, the shutter 72 of radiographic source 9 is opened, and red light is lighted, and indication equipment (has ray) just at work.There is purging air passage at the upper surface of radiographic source 9, ray window is purged, keep window clean.The afterbody of C type frame is all designed with the travel driving unit 62 of cable, has tank drag chain and two kinds of modes of suspension pulley selective.Upper lower cantalever 7 at C type frame is all equipped with air themperature detector 61, and the measured deviation that is used for air temperature variations to cause compensates.
The major electrical equipment device of thicknessmeter all, in main electric cabinet 2, has main process computer system (containing various types of signal disposable plates), signal isolation drive plate, power supply and display 12, keyboard 13 etc. in main electric cabinet 2.The top of the main electric cabinet of thicknessmeter has formed main electric power system by the power module of two 24VDC outputs, and radiographic source 9 is specialized on a road, and another road is for other circuit; The input voltage of module is customer-furnished 220VAC AC power.The 220VAC power supply that user provides is provided to principal computer simultaneously.What principal computer adopted is technical grade computing machine, and on bus duct 11, (in the face of the computing machine back side) is inserted with in order from right to left: DIO plate, analog output (AO), numbered card (COUNTER CARD), analog input (AI) and CPU board.Although board can be inserted in optional position in theory, for the unitarity maintaining easily, please not want the order that changes easily afore mentioned rules.In the utility model, the host CPU plate of thicknessmeter adopts technical grade mainboard at present, because thicknessmeter is very high to reliability requirement, simultaneously strict to the requirement of real-time of processing, this technical grade processor of equipment choosing at present.
What the analog data collection card of thicknessmeter used is HR-AI-16/100 type high speed, high-resolution mould/number conversion card, and this card has one pole and two kinds of input pattern signals of difference.Use in the time that one pole mode is inputted, 16 passage image data can be provided, in the time using differential signal mode to input, can provide 8 passages.In this thicknessmeter, use differential signal input service mode.The input range of signal is positive and negative 10VDC.The voltage signal that the signal detector 8 of thicknessmeter obtains, deliver in main electric cabinet, carry out signal condition through rearmounted amplification board, be just input to afterwards HR-AI-16/100 mould/number conversion plate and carry out signal processing, computing machine just can read in the voltage signal that signal detector 8 detects like this.In the time changing and use HR-AI-16/100 plate, need to carry out a series of hardware jumper and select to arrange, must check clear.In principal computer bus, be inserted with the digital quantity signal plate that can read at most 96 passages of entry/exit, be used for treatment facility input state signal and produce control command output signal.
The main frame of thicknessmeter is equipped with digital signal isolation drive plate simultaneously, is used for external input signal isolate and nurse one's health; And the command signal of output is isolated and drive amplification.The analog input narrated is above similar, this plate also needs corresponding address setting to select in use, because thicknessmeter is the system that real-time is very strong, sampling is gone in the accurate timing of various signal demands, therefore running software just needs an accurate reference clock, and what play is exactly this effect to clock timing card (or be called " tally ").What the thicknessmeter in the utility model used is HR-CT-600 tally.
J3 on HR-CT-600 tally and J2 are that interrupt vector is selected, and J2 should jump the position at " X "; J3 should jump the position in " 5 ".J1 is the wire jumper of WAIT state, should jump in " OFF " position.HR-40X thicknessmeter calculates the deviation between desired value and actual measured value and feeds back to AGC system with the form of analog quantity voltage output (+-10V), for example can represent positive and negative 10% deviation with positive and negative 10VDC voltage, AGC will depress according to deviation, the adjusting of speed or tension parameters, to control thickness error in acceptability limit.The signal of sending from analog output is just delivered in AGC system after isolation is amplified.
HR-AO-6 analog output is exactly the device of realizing departure output, and it has 6 output channels, distributes to respectively each 3 passages of thicknessmeter A and B and uses.Its export ratio and the way of output (being for example percent deviation or absolute deviation) can be set by function software.In thicknessmeter system, need to distribute to plank work address.The various wire jumper settings of HR-AO-6 analog output comprise: BASE ADDRESS(base address) the base address setting of HR-AO-6.This wire jumper is jumped on the position of " ON ".This group wire jumper is used for selecting the way of output, has " XFER " and " UPDATE** " two positions, and J3 establishes 01 passage, and J2 establishes 23 passages, and J1 establishes 45 passages.All all should jump on " UPDATE** ".Powering state wire jumper is selected, output state while being used for selecting to power up.J4 is exactly this wire jumper, should jump on " STD " position.This group DIP switch is selected analog quantity voltage output area, HR-300D thicknessmeter use+-10VDC output voltage, and on plank, the title of DIP switch is GAIN0 ~ GAIN5, respectively corresponding six passages.They all arrange by requirement below: 1=ON 2=OFF 3=ON 4=OFF 5=OFF 6=OFF.HR-AO-6 plate output voltage range is selected DIP switch
For mounting software and carry out thicknessmeter maintenance, on the principal computer in main electric cabinet, be furnished with color LCD liquid crystal display 12 and standard computer keyboard 13, be used for carrying out apparatus function test and maintenance.This man-machine interface has the function of the following aspects:
A. input measurement parameter: and the function class of execute-in-place terminal seemingly, by upper and lower (left and right) key selection window, can input target thickness, response time, alloy number etc.
B. display state: as signal detector 8 detects voltage, numerical value and the logic state of the various signals such as radiographic source duty, shutter, model, current.
C. show fault warning: if device hardware has problems, in alarm window, have corresponding failure message, help user to deal with problems.
The signal that all external sensor feedbacks are come all needs just can deliver on DIO plate and use through buffer circuit; And the command signal of output also needs isolation drive just can deliver in external movement mechanism.Thicknessmeter is equipped with HR-DDIO-01 digital signal driving isolation plate for this reason.Input signal is realized isolation object with photoelectric isolating device, the signal of output is realized to the driving of signal with solid-state relay.
In the upper left corner of HR-DDIO-01 plate, there is one group of DIP switch, the BIT position of input and output signal is arranged to (See Figure); The connection terminal in the upper right corner is introduced the needed voltage of plank work (+5VDC, and two-way+24VDC).The cable socket of top is used for linking with DIO plate, and another one is used for and next piece DDIO plate carries out cascade.To carry out secondary amplification to signal through the rearmounted amplification board of main electric cabinet from the analog signals of signal detector 8 preamplification board outputs.On the rearmounted amplification board of HR-PAMP-02, provide two amplification channels, used to respectively the signal detector 8 of A and B side, on amplification board, had potentiometer and the zero potentiometer of adjusting enlargement factor.W1, W3 are enlargement factor regulator potentiometer, W2, W4(W103) be regulator potentiometer at zero point.In order to isolate with AGC system electrical, the analog output deviation signal of HR-40X thicknessmeter is from the output of HR-AO-6 output board, enter output signal division board (HR-DAO-02), this plate does not carry out any amplification (1:1) to voltage, only increases current driving ability.
Thicknessmeter is provided with the electric box of wiring, gas control unification at the scene, mainly realizes main electric cabinet to switching and outside air feed interface between C type frame cable.The cable of the parts such as signal detector 8 from each interface isolation/drive plate of main electric cabinet to C type frame, radiographic source 9, duty lamp, limit switch all passes through junction box 5 and transfers.From 220VAC power supply disks, also introduce alternating current and remove to light the duty lamp on C type frame.This power supply is controlled by an air switch (K1) in junction box 5, through RL1 and RL2 Control red/light on and off of green light.Except basic Splices cable function, a series of manual control buttons are also installed, while maintenance for thicknessmeter on junction box.On junction box, have a red EmS button 58, in the time finding that dangerous situation needs the work of thicknessmeter emergent stopping, press this button, thicknessmeter can enter following state: radiographic source is closed immediately, and C type frame stops on the spot.Like this, can ensure the person and the safety of equipment on junction box 5 except EmS button 58, also have one group of C type frame and shutter control button 57 to be used for realizing the on-the-spot control to thicknessmeter, contribute to the maintenance job of equipment, the effect of long-range/field control switch is exactly to select main electric cabinet control or on-the-spot button control, in the time that switch is beaten in " Long-distance Control " position, by main electric cabinet 2 signal controlling C type frame and shutters 72; In the time that switch is beaten in " field control " position, by the button control of field wiring case 5.In the time that said " long-range/field control " switch 55 is placed in " scene " position, can, by the driving into and returning of junction box's C type frame advance and retreat button control C type frame, facilitate maintenance and the functional test of equipment above.Press red " advancing " button C type frame reach forward on production line, press green " retreating " button C type frame return to ready position.When shutter 72 buttons are placed in the position of " shutter is opened ", radiation source shutter is opened; Otherwise close.The motion of C type frame is that drive motor 63 drives., there is the region of an isolation in the lower right corner in control box, has arranged the facilities such as radiographic source window sweep gas pipeline, temperature sensor negative pressure gas circuit.
Thicknessmeter provides one to be arranged on active station on operator's console for operative employee, and all functions are used and all on operating terminal 1, complete.This terminal adopts color LCD display 12, the integrated designs such as industrial film keyboard, and integrated cpu motherboard and electronic hard disc, aim at thicknessmeter design.HR-XY-100 operating terminal carries out exchanges data by the principal computer of RS422 communication port and main electric cabinet.Whole operating terminal needs 220VAC Alternating Current Power Supply, need to be ben, and in order to ensure the reliability of data communication, this power supply should branch away a road power supply from the AC power of main electric cabinet.The software systems of thicknessmeter have two major parts, and in principal computer, operation has the equipment control software in main process software and operating terminal, explanation respectively below.
Host software and the effect of thicknessmeter see the following form:
| Sequence number | Program name | Effect |
| 1 | 450std.exe | Master processor program |
| 2 | COEFF0.dat | A side thicknessmeter precision curve |
| 3 | GRADE0 | Thicknessmeter acquiescence alloy parameter file |
| 4 | GRADE* | B side thicknessmeter acquiescence alloy parameter file |
450std.exe program is the master routine moving in main process computer, all other programs are auxiliary files of this program, in addition, the man-machine interface of 450std.exe also has maintenance test function and whole equipment control functions, describes the plant maintenance chapters and sections that see below in detail.
The workstation software of thicknessmeter is integrated thicknessmeter and two parts of profile gauge.Can switch to realize with paging the operation of each several part.Each interface is divided into main interface (not changing) and sub-interface (variation).This software communicates with thicknessmeter, profile gauge respectively by two RS-232 serial ports.Communicate by TCP/IP or RS-232 serial ports and AGC.
1. deviation interface: the measured deviation chart that shows thicknessmeter.
2. state diagram: show the curves such as thick difference, signal detector 8 voltages, source temperature.
3. parameter setting: show and amendment thicknessmeter some setup parameters, as upper and lower tolerance etc.
4. alloy is safeguarded: the alloy number that shows and safeguard thicknessmeter.
The invention also discloses a kind of repair method:
(1) radiographic source purging system: first change equipment control into local control mode to junction box is upper, and emergency stop switch is pressed, after confirming that shutter cannot be opened, hang maintenance board and show in overhaul of the equipments.Open Pneumatic controlled box, check whether the airfiltering filter core of gas circuit in Pneumatic controlled box needs to change; Whether oil sprayer needs to refuel, and checks that gaseous tension is whether within the scope of 0.5-0.8MPa.Check radiographic source window sweep gas situation, whether the strength of sweep gas is enough large, can keep window foreign to stop.
(2) radiographic source window: under the condition taking safety measures, whether visual examination radiographic source window aluminium flake has damage.
(3) signal detector window: similar with (2) item, the situation of visual examination signal detector 8, has or not aborning and damage, and has or not the possibility of leaking.
(4) green indicating lamp: in the switching of junction box's button control radiation source shutter, whether the red light when observing shutter and opening on C type frame is bright, and while closing, whether green light is bright, if any fault, should fix in time.
(5) C type frame walking, limit switch: by C type frame advance and retreat button controls (local state) advance and retreat on junction box, whether steadily observe the walking of C type frame, whether have jam and stepping phenomenon.
(6) emergency stop switch: press junction box's emergency stop switch, select control knob to control in this locality, whether the C type of trying frame button can drive walking, and whether shutter can open and close.If can lock motionlessly, scram button function is normal.
(7) standard functions: first confirm the position that C type frame is being return on operating terminal, and without any thing on ray window, press F3 and start standardized process, observe signal detector 8 voltages that show, should be between 8.5V ~ 9.5V in the time that shutter is opened, should be less than+-0.02V of zero-point voltage in the time of shutter close, record and with comparison last time.
(8) accuracy checking: with a sample plate frame, be highly height of rolling line (See Figure), first sample plate frame be placed on to the center of radiographic source window; The alloy model of known thickness is put into one by one to the thickness situation of check measurement precision, especially final pass on shelf, and keeps a record and comparison last time.
(9) alloy file: input one by one each alloy number, observe whether there are 301 warnings, if any, illustrate that alloy does not define, need to set up this alloy.
(10) electrical equipment connects: in daily servicing is used, can in main electric cabinet, do unavoidably some inspection work, this just likely makes some inside cables loosening, whether regularly to line main electric cabinet in each feature board on have loosening check, and check one by one whether each connection terminal including junction box becomes flexible or get rusty if therefore needing.
(11) software backup: the master routine of thicknessmeter can back up in a floppy disk, because floppy disk likely damages because the holding time is long, therefore needs to make regular check on and supplements and back up in time.
(12) C type frame drives: should regularly check the track situation of C type frame from mechanical angle, whether the degree of tightness of motor gear and chain is suitable, can adjust as the case may be.
(13) drift test: drift is the whether stable important indicator of equipment work, if equipment has fault obviously to reflect, more than 5 minutes, observes and whether has obvious variation in thickness with a model continuous coverage.General field condition is measured the variation that should not exceed 0.15%.
(14) analog quantity output signals: this is the signal of interest that thicknessmeter is delivered to AGC system, just should not change after Installation and Debugging, and doing this project testing object is to check whether software parameter setting changes, and whether the performance of analog output is good.
(15) C type frame wheel: the wheel under C type frame is difficult for seeing at ordinary times, can bring wearing and tearing or broken belt due to use over a long time time, get to C type frame can consequential injury it, therefore also need to check.
(16) frequency converter: it directly affects the travelling speed of C type frame motor, need to make regular check on its duty.
(17) reducer casing: motor-driven C type frame has this device, every year need to be from mechanical aspects inspection.
Failure code explanation and maintenance direction, the failure code of thicknessmeter is divided three classes: (1) 300 serial fault does not affect using and operating of thicknessmeter, and this class fault is generally carried out condition because faulty operation causes.(2) 400 serial faults show that system has problem, when therefore 400 serial faults occur, need to safeguard thicknessmeter.
The invention also discloses the thicknessmeter failure code that some edit:
A31/B31: input undefined alloy number
A32/B32: alloy file open failed
A33/B33: alloy file is bad
A34/B34: for subsequent use
A35/B35: for subsequent use
A36/B36: for subsequent use
A37/B37: for subsequent use
A38/B38: drive system is overtime
A39/B39: communication check errors
A01/B01: system needs to proofread and correct
A02/B02: zero point maximum voltage mistake
A03/B03: correcting zero minimum voltage mistake
A04/B04: shutter closes proofreaies and correct maximum voltage mistake
A05/B05: shutter closes proofreaies and correct minimum voltage mistake
A06/B06: shutter can not be opened
A07/B07: shutter can not be closed
A08/B08: for subsequent use
A09/B09: for subsequent use
A10/B10: for subsequent use
A50: hard error
A51: for subsequent use
A52: for subsequent use
A53: for subsequent use
A54: for subsequent use
A55: for subsequent use
A56: for subsequent use
Note: A** refers to A side thicknessmeter, and B** refers to the thick instrument of B side.
A31/B31 alloy file must first be set rear use, and alloy file can be edited and also can on thicknessmeter, preserve, A32/B32 on any computing machine; A33/B33 alloy file is bad, checks hard disk situation.
A38/B38 C type frame does not reach position at the appointed time, and the problems such as mechanical stop may occur.
A39/B39 communication is disturbed excessive, checks communication cable or RS232/422 converter.
A01/B01 shows that thicknessmeter do not proofread and correct.
A02/B02 represents that thicknessmeter receives too much ray in the time that shutter is opened, and problem may be caused by signal detector 8.
This bug list clear signal detecting device 8 of A03/B03 does not reach 9.0V in the time that shutter is opened, conventionally may be due to timing, in C type frame, there is other material, may be that steel plate or foreign material also may be because shutter is not in place, while there is this fault, need to check that thicknessmeter ray has no-sundries outward, and clear up shutter window, check shutter air pressure (should be 0.4-0.8MPa)
A04/B04 representation for fault signal detector 8 in the time of shutter close receives too much ray, may be because shutter close is not in place or signal detector 8 goes wrong
A05/B05 is general Correction Problems, signal detector 8 in the time closing, exceed ± 0.01v of the electric output voltage of signal detector 8.Conventionally because pulling formula joint problem, signal detector 8 fault A/D cause.
A06/B06, A07/B07 shutter action are undesired, please check stand by lamp state and terminals state, confirm that whether MJB place voltage and air feed be normal, and radiographic source case is not please opened in attention.
A08/B08: represent nothing band steel between thicknessmeter, thicknessmeter can cut out shutter automatically conventionally.
HRX-90 X thicknessmeter aims at hot-rolled and cold-rolled aluminium Design of Production Line, and the thickness range of Board Under Test is from 0.01mm to 80.0mm; The open height of C type frame is from 150mm to 1300mm.Different openings slightly affects the performance index of thicknessmeter.
C type frame opening is 200mm～1300mm, standard import model, and height of rolling line is 75mm～180mm, gamma ray source strength is 80KV.Precision in measurement range is better than ± 0.10% or ± 0.25 um(gets the maximum among both).
| Thickness | Index |
| 0.05mm | ±0.082% |
| 1.0mm | ±0.043% |
| 1.5mm | ±0.054% |
| 2.0mm | ±0.056% |
| 3.0mm | ±0.062% |
| 4.0mm | ±0.091% |
| 5.0mm | ±0.12% |
Test noise condition and method: appointed condition is the same, get the model of different-thickness, sets the different response times calculates respectively 2Sigma noise with registering instrument test.Index: noise (2 sigma):
Response time is while being 30 ms:
| Thickness | Index |
| 0.05mm | ±0.08% |
| 1.0mm | ±0.039% |
| 1.5mm | ±0.033% |
| 2.0mm | ±0.045% |
| 3.0mm | ±0.049% |
| 4.0mm | ±0.055% |
| 5.0mm | ±0.079% |
Response time is while being 50ms:
Test long term drift condition and method: get the model of a 1 millimeter thickness, under the condition of thicknessmeter steady operation, record analog quantity deviation with registering instrument and export.Index: be better than +/-0.1% or +/-0.25um in eight hours.(getting large person in both).Test condition and the method for repeatability: get a model in measurement range, be placed on repeated measurement in thicknessmeter, and record measurement result.Index: the error between each detect thickness is less than +/-0.15%.(pressing 2Sigma noise conditions calculates).The test condition of corresponding time and method: get the model of a thinner thickness, make it in measurement and leave fast ray window, record variation in thickness with registering instrument.10 ms are adjustable to 1000 ms
The invention also discloses a kind of mounting condition of thicknessmeter: AC-powered requirement, requires sinusoidal wave without large rugged change.Separate power supply with large-size machine and frequency converter as far as possible.Earthed system requires: need independent instrument ground, stake resistance is less than 3 Ω.Air supply system requires: require meters dry air, if can not reach, need to install additional filtering system.Air pressure need to be at 0.4-0.8Mpa.Requiring track to install must be in all directions level, and ensure the vertical of the centre-line of track and rolling line, levelness and verticality are not more than 1/1000, after extremely deviation ± 2mmC type frame drives into and puts in place, radiographic source window should be on rolling centerline, its deviation ± 3mm, service equipment should be convenient in the position that C type frame is return.Consider the trough of C type frame tail cable, if the cable routing mode of cantilever pulley, ensure C type frame retracted position time, cable is not too crowded together, and C type frame drives the not too tension of position cable into.Select rational position that junction box and Pneumatic controlled box are installed, action button while requiring setting height(from bottom) to be convenient to safeguard will be convenient to observe the operation of C type frame and the variation of stand by lamp simultaneously.On the other hand, consider ray security reason, junction box's position can not be too near to radiographic source, generally should be over 2.5 meters.The installation of Pneumatic controlled box will be near junction box, simultaneously by considering to the convenience of safeguarding and connect air supply pipe.Electricity cabinet should be arranged in electric panel room, and whole cupboard should be isolated with miscellaneous equipment, and earthed system should be connected on instrument on the ground, forbids that to disturb large equipment mixed with other.The door of electricity cabinet will be easy to open, and preferably back door is also easy to open, and is convenient to the maintenance of equipment.Operating terminal is generally arranged on main behaviour chamber or operator's console, convenient operation to use, and considers ventilation and heat simultaneously as far as possible, is beneficial to equipment steady operation.The Alternating Current Power Supply that it is emphasized that in addition operating terminal should draw from the same power supply of main electric cabinet, can avoid like this communication to disturb.The main electric cabinet of thicknessmeter is divided into signal cable and Alternating Current Power Supply cable to the cable between junction box.Must note a point different cable ducts wiring.
The safe operation points for attention that the invention also discloses thicknessmeter, comprising:
(1) warning " Caution,ionizing radiation " on C type frame and " it is in service that layman please don't open (1) equipment, and any position of health must not enter C type frame opening part ".
(2) carry out any needs near the work of implementing in radiographic source place of safety before, must confirm that shutter is locked by the button on junction box (shutter pass).Green light on C type frame, now equipment is safe condition.Must there be special ray safety supervision management personnel.At least should confirm that radiation source shutter closed condition is good every half a year, C type frame peripheral leakage radiation meets GB.If have must be under ray district ray exposure condition work, must have the personnel of ray work permit to implement.
As everyone knows, do not exist all the time ray in universe, the television screen that we are daily watched, fits up natural marble used etc., has the ray of varying strength to exist.No matter be which kind of ray, human body is had to impact, as long as but be no more than safety standard, just no problem.With regard to this thicknessmeter 100KV radiographic source used, belong to X ray, the decay in air walking of such ray is very large, and meanwhile, the object that any density is higher all has and significantly stops shielding action it.According to the characteristic of above several aspects, in the time using this equipment, should be as far as possible away from radiographic source workspace.If cannot reach requirement time, can use some shielding means in distance, as add cartridge plate and stop; The place of observing at needs, also can be used leadization glass.No matter use which kind of means, object is all to reduce radiation; The confirmation of its security needs user relevant departments of local government to test.In addition, the injury of ray to people, as long as be no more than limit, can recover through having a rest.
This thicknessmeter is according to actual service conditions, novelty has proposed the high pressure of high-power X ray generation systems and separating of ray generator, its meaning has been to reduce maintenance workload and the maintenance cost of equipment, for high precision, without the universal solid foundation of having established of the X-ray thickness gauge of isotope radioactive source, and will contribute for the raising of industry equipment and the adjustment of product structure.Supporting high-power (160KV/5mA, 800W) ray high-voltage power supply of the high-power x-ray source of high pressure separate type is sealed in separately in Stainless Steel Shell, can confess+80KV and-the two-way anode and cathode high pressure of 80KV.Radiographic source adopts high-tension cable to be connected with supporting high pressure, reaches 10m distance most.Overcoming ray tube energy increases the problem decaying with service time, calculate by the Reflectance auto-compensation of built-in print, realizes automatic energy compensation.
Above-described is only preferred implementation of the present utility model; it should be pointed out that for the person of ordinary skill of the art, do not departing under the prerequisite of the utility model creation design; can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (4)
1. a thicknessmeter, is characterized in that: described thicknessmeter comprises control terminal, main electric cabinet, high-voltage power supply, junction box, water cooling box and C type frame, and described main electric cabinet connects control terminal and junction box, and high-voltage power supply, water cooling box and junction box are connected respectively C type frame; Described C type frame comprises horizontally disposed upper cantilever and lower cantalever, between upper cantilever and lower cantalever, connects by perpendicular sway brace; Upper cantilever, the lower cantalever of C type frame are all equipped with air themperature detector; The travel driving unit that the C type mating with it is set on inwall of C type frame, is provided with drive motor on the outer wall of C type frame, and drive motor connects travel driving unit; Signal detector is equipped with in upper cantilever one end far away apart from sway brace, and lower cantalever one end far away apart from sway brace arranges radiographic source.
2. a kind of thicknessmeter according to claim 1, it is characterized in that: described control terminal is technical grade computing machine, comprise bus duct, display and keyboard, on described bus duct, be inserted with in order DIO plate, analog output, numbered card, analog input AI and CPU board.
3. a kind of thicknessmeter according to claim 1, is characterized in that: described radiographic source comprises print case, and shutter and model that electromagnetic device drives are set in print case, and air cleaning device is also set on described radiographic source.
4. a kind of thicknessmeter according to claim 1, is characterized in that: the side of described travel driving unit arranges front limit stop block and is mated front limit switch, the rear positive stop of use and is mated the rear limit switch of use.
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| CN201420113808.6U CN203772235U (en) | 2014-03-13 | 2014-03-13 | Thickness meter |
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| CN201420113808.6U CN203772235U (en) | 2014-03-13 | 2014-03-13 | Thickness meter |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968785A (en) * | 2014-03-13 | 2014-08-06 | 马鞍山恒瑞测量设备有限公司 | Thickness gauge and using and overhauling methods thereof |
| CN106152981A (en) * | 2015-03-31 | 2016-11-23 | 宝山钢铁股份有限公司 | Tripper device for layer thickness meter |
| CN108387192A (en) * | 2018-03-22 | 2018-08-10 | 广西南南铝箔有限责任公司 | The online X-ray ga(u)ging device of aluminium sheet is rolled up in casting |
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2014
- 2014-03-13 CN CN201420113808.6U patent/CN203772235U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968785A (en) * | 2014-03-13 | 2014-08-06 | 马鞍山恒瑞测量设备有限公司 | Thickness gauge and using and overhauling methods thereof |
| CN103968785B (en) * | 2014-03-13 | 2017-04-05 | 马鞍山恒瑞测量设备有限公司 | A kind of calibrator and its use, repair method |
| CN106152981A (en) * | 2015-03-31 | 2016-11-23 | 宝山钢铁股份有限公司 | Tripper device for layer thickness meter |
| CN106152981B (en) * | 2015-03-31 | 2019-12-31 | 宝山钢铁股份有限公司 | Shutter mechanism device for coating thickness gauge |
| CN108387192A (en) * | 2018-03-22 | 2018-08-10 | 广西南南铝箔有限责任公司 | The online X-ray ga(u)ging device of aluminium sheet is rolled up in casting |
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