CN2251137Y

CN2251137Y - Single portable frequency change inflating X-ray flaw detector

Info

Publication number: CN2251137Y
Application number: CN 95231769
Authority: CN
Inventors: 兰学文
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-07-20
Filing date: 1995-07-20
Publication date: 1997-04-02
Anticipated expiration: 2005-07-20

Abstract

The utility model relates to an improved single portable frequency change inflating X-ray flaw detector, composed of a tube head part and a control part which comprises a microcomputer system. The control circuit of the control part is assembled into a controller which is fixedly arranged on the upper end of the tube head. The utility model is characterized in that the utility model is provided with a control device for wireless remote control or delay control; the control device can cause operators to be far away from the working field of a flaw detector. Thus, the problem that operators suffer from X-ray irradiation is basically solved, with portability and safe use.

Description

The portable frequency conversion inflation of monomer x-ray flaw detector

The utility model relates to the portable frequency conversion inflation of a kind of improved monomer x-ray flaw detector.

Frequency conversion inflation x-ray flaw detector is made up of tube head part, control section and three parts of high-tension cable, and all circuit bank of control section are contained in and are independent of in the tube head operation panel partly, and is connected by high-tension cable between the tube head.A kind of portable frequency conversion inflation x-ray flaw detector is disclosed in ZL93227806.X, it is to realize system controlled by computer at the control section of defectoscope, circuit devcie is realized microminiaturized, on the basis of weight saving, implemented integrated design, promptly cancelled heavy operation panel, control circuit is wherein comprised SCR rectification circuit, filtering circuit, inverter circuit, step-up transformer and microsystem are assembled in the housing and make controller, be fixedly mounted on an end of tube head, operating switch, timer, pilot lamp is assembled into the miniature controller of holding, controller and hold and pass through electric current between the controller, signal cable connects, and makes complete machine become monomer structure.Its weak point is, holds controller and is connected with complete machine with signal cable by electric current, makes site operation personnel's behavior be subjected to certain restriction, can't avoid the harm of x radiation x fully.

The purpose of this utility model is to provide the portable frequency conversion inflation of the reliable monomer of a kind of operation safe x-ray flaw detector.

Technical solution of the present utility model is: inflate x-ray flaw detector by the portable frequency conversion of monomer that tube head part and the control section that comprises microsystem are formed, the end that controller is fixedly mounted on tube head is made in the control circuit assembling of control section, it is characterized in that, be provided with and make the control device of operating personnel away from the defectoscope working site.

The utility model has the advantages that, because with making operating personnel substitute wired controller of holding in the prior art away from the control device at scene, make operating personnel thoroughly break away from the constraint of cable, away from the defectoscope working site, stop ray human body is endangered, operating personnel no longer worry the occupational illness that causes because of x ray irradiation x; Because the monomer-type defectoscope implemented system controlled by computer, so operating personnel's task is adjusted exactly that KV presets, time preset and by start button etc., and remaining all processes is controlled automatically by control circuit, until quitting work.This shirtsleeve operation can be implemented away from Digiplex, the timing relay equal controller at scene by making operating personnel, and simple in structure, and it is convenient to implement.Connect the cable of holding controller owing to cancelled, make defectoscope really become monomer-type, carry, use all very convenient.

Following accompanying drawing has been described embodiment of the present utility model.

Fig. 1 is the utility model electricity functional-block diagram;

Fig. 2 is a machine shape synoptic diagram of the present utility model;

Fig. 3 is the A-A cut-open view of Fig. 2;

Fig. 4 is the vertical view of Fig. 2;

Fig. 5 is a transmitter electricity functional-block diagram;

Fig. 6 is the transmitter electrical schematic diagram;

Fig. 7 is a receptacle electricity functional-block diagram;

Fig. 8 is the receptacle electrical schematic diagram;

Fig. 9 is timing relay operation circuit figure;

Figure 10 is the electric functional-block diagram of time-delay control;

Figure 11 is time-delay control electrical schematic diagram.

Below in conjunction with accompanying drawing the utility model is described in detail.Present embodiment is on the basis of disclosed portable frequency conversion inflation x-ray flaw detector in ZL93227806.X, removes and holds controller and umbilical cable, is provided with operating personnel are formed away from the control device of working site.Fig. 2 is the outside drawing of the portable frequency conversion of monomer inflation X ray, and wherein 1 be tube head, and 2 is the controller that is fixed on the tube head, and 3 is top ring.It is with control circuit, comprise SCR rectification circuit 16, filtering circuit 17, inverter circuit 18, step-up transformer 19, microsystem 20 and time give put, show 10, KV digitally shows 14, KV presets 13, power switch 12, pilot lamp 6, warning light 9, fuse 4,5 etc. are assembled into controller and are installed in the tube head upper end, sees Fig. 3, Fig. 4.

In the present embodiment, described control device is a Digiplex, and it comprises the transmitter of being made up of coding circuit, instruction key, carrier-frequency circuit; Be assembled on the controller 2 by oscillatory circuit, amplification and rectification circuit, the receptacle formed of decoding scheme along separate routes; The output terminal of decoding scheme is connected with the relay of do startup usefulness in the controller 2 through amplifier along separate routes.For improving the functional reliability of telepilot, taked comparatively complicated circuit, physical circuit is seen figure.Fig. 6 is the electrical schematic diagram of transmitter, and Fig. 5 is its electric functional-block diagram.In the present embodiment, coding circuit is made up of command generator 43, master oscillator 42, differentiating circuit 41, adder circuit 40, width fixing device 37.As shown in the figure, Sheffer stroke gate 23,24 and peripheral cell by the CMOS integrated package are formed a command generator, form two command generators in addition respectively by CMOS integrated package Sheffer stroke gate 25,26 and 27,28 equally, ellipsis is wherein represented also can establish more command generator, to satisfy the needs of multichannel control; Master oscillator is made up of Sheffer stroke gate 21,22 and other peripheral cells of CMOS integrated package; Adder circuit is by D ₅, D ₆, D ₇, D ₈, D ₉Form Deng one group of diode; Width fixing device is made up of the Sheffer stroke gate 29,30 and the peripheral Resistor-Capacitor Unit of CMOS integrated package, and differentiating circuit is made up of the resistance, the electric capacity that are arranged between adder circuit and instruction generator, the master oscillator.CMS integrated package in the above coding circuit is made of 3 COO3.Coded order is by controls such as instruction key A, B on the command generator, C.The carrier frequency radiating circuit is by oscillator 31,33 in the present embodiment, storbing gate 32,34, and exciting circuit 35, power amplification circuit 36 and amplifier 38, phase inverter 39 are formed.As shown in FIG., by two JA12B crystal oscillators respectively with triode BG ₁, BG ₄Form two oscillators 31 and 33; The storbing gate 32 that is connected with oscillator 31 is by diode D ₁, D ₂, inductance L ₅, L ₆, L ₇And other peripheral resistor-capacitor units are formed; The storbing gate 34 that is connected with oscillator 33 is by diode D ₃, D ₄, inductance L ₈, L ₉, L ₁₀And other peripheral resistor-capacitor units are formed; Exciting circuit 35 is by triode BG ₂And other peripheral cells are formed; Power amplification circuit 36 is by triode BG ₃And other peripheral cells are formed; Amplifier 38 is by triode BG ₅And other peripheral cells are formed; Phase inverter 39 is by triode BG ₆, BG ₇And other peripheral cells are formed.By triode BG in the command signal input amplifier of coding circuit output ₅Base stage, when its emitter current potential is noble potential, make storbing gate 34 open-minded, the oscillator signal of oscillator 33 outputs to exciting circuit; As triode BG ₅Emitter current potential when being electronegative potential, by triode BG ₆The anti-phase triode BG that makes ₇The emitter current potential be noble potential, make storbing gate 32 open-minded, the oscillator signal of oscillator 31 outputs to exciting circuit.From the signal of storbing gate input stimulus circuit 35, through power amplification circuit 36, outwards to launch by antenna, above radiating portion is assembled into very little transmitter, is carried by operating personnel.The structure of receptacle such as Fig. 7, shown in Figure 8, described oscillatory circuit comprises: by crystal oscillator LB ₃With triode BG ₉And the local-oscillator circuit 55 of other peripheral cells compositions; By triode BG ₈And the High Amplifier Circuit 54 of other peripheral cells compositions; By triode BG ₁₀And the mixting circuit 56 of other peripheral cells compositions.Amplification and rectification circuit comprises: by triode BG ₁₁, BG ₁₂, BG ₁₃And three plate intermediate level circuits 57 of other peripheral cells compositions; By crystal oscillator LB ₂With diode D ₁₁, D ₁₂And the frequency-discriminating circuit 58 of other peripheral cells compositions; The amplitude discrimination shaping circuit of forming by Sheffer stroke gate 46 and other peripheral cells of CMOS integrated package 59; The synchronizing circuit of forming by Sheffer stroke gate 48,49 and other peripheral cells of CMOS integrated package 60; Check circuit 61 of forming by Sheffer stroke gate 51,50 and other peripheral cells of CMOS integrated package etc.Decoding scheme comprises the ic chip by CMOS along separate routes ₈Be the shunt code translator 65 that constitutes of C393 and the width discriminating circuit 66 that constitutes by the Sheffer stroke gate 52,53 of CMOS integrated package etc.By the command signal that antenna is accepted, after sending mixting circuit and oscillation signals according mixing after the High Amplifier Circuit amplification, import amplification and rectification circuit by middle all transformers.Amplification and rectification circuit through in put, frequency discrimination, amplitude discrimination shaping, check back input decoding scheme along separate routes synchronously.The multichannel of decoding scheme output along separate routes after amplifying through amplifier 67 respectively, makes to start the relay J of usefulness in the driving governor 2 ₁, J ₂J _NDeng, realize multichannel control.Phase inverter 63 is made of the Sheffer stroke gate 47 of CMOS integrated package among the figure; Differentiating circuit 62 is by resistance R ₂₈And capacitor C ₂₅Form; Delay circuit is by resistance R ₂₉And capacitor C ₂₆Form.Amplifier 67 is by triode BG ₁₄, BG ₁₅And other peripheral cells, triode BG ₁₆, BG ₁₇And other peripheral cells are formed; Middle ellipsis is represented, establishes multichannel output.The receptacle unification is assembled in the controller 2, and the command signal of transmitter is accepted in the upper end that is installed to tube head 1 by antenna.Here COMS integrated package Sheffer stroke gate 46～50 adopts COO3 and employing COO6 such as door 51,52,53 in morning.

The simple embodiment of described control device is to be made of timing relay, and the relay of making to start usefulness in the controller 2 is connected with the contact switch of timing relay, as shown in Figure 9.YJ is a timing relay among the figure, and YJK is the contact switch of timing relay, and J do to start in the controller 2 use relay, and promptly its contact switch JK makes starting switch, and the KV of connection defectoscope presets, demonstration, temperature survey etc.Earlier the time of timing relay is selected during work, then the power turn-on K switch ₁, timing relay is started working, and when reaching the schedule time, its contact switch YJK connects, and starts and uses the relay J adhesive, and its contact switch JK connects, and defectoscope is started working.Operating personnel utilize the selected time interval of timing relay, leave place of safety over 50 meters of the working sites.

Adopt timing relay very easy, but time error is bigger, in order to ensure the time at interval, ensure operator safety, present embodiment has adopted the delay control circuit that comprises dial 68, time counter 69, time display 70, control circuit 72, and the output terminal of delay control circuit is connected with the relay of do startup usefulness in the controller 2.Its concrete structure as shown in figure 11.Time counter 69 is made up of two MN4501B ic chips 1, IC2 and other peripheral cells; Time display 70 is made up of two CH283 ic chips 6, IC7 and other peripheral cells; Control circuit 72 is by a CD4001B ic chip 3, CD4060BF ic chip 4, relay J ZX ₁And JZX ₂And other peripheral cells are formed.Relay J ZX wherein ₁Output terminal connect and to do in the controller 2 to start to use relay, JZX ₂Be used for the starting of delay control circuit.By dial 68 preset times, time counter 69 is encoded during work, and time display 70 decodings drive, and control circuit 72 is carried out controls such as high pressure startings.For coding and the control function that strengthens complete machine, also established the oscillatory circuit of forming by NE555P ic chip 5 and other peripheral cells 71.Delay control circuit directly is assembled in the controller 2.

Present embodiment is provided with wireless remote control, two kinds of control device of time-delay simultaneously, is receptacle and antenna thereof as 15 among Fig. 3, and 11 among Fig. 4 is delayed startup devices.Present embodiment also is provided with former controller and the stube cable socket 8 thereof held, and selects for use flexibly for the designer.7 is power lead among Fig. 4.

Claims

1, the portable frequency conversion inflation of a kind of monomer x-ray flaw detector, by tube head part with comprise that the control section of microsystem forms, controller (2) is made in the control circuit assembling of control section, be fixedly mounted on an end of tube head (1), it is characterized in that being provided with and can make the control device of operating personnel away from the defectoscope working site, the relay of making to start usefulness in the output terminal of control device and the controller (2) is connected.

2, frequency conversion inflation x-ray flaw detector according to claim 1 is characterized in that described control device is a Digiplex, comprising:

A, the transmitter of forming by coding circuit, instruction key and carrier frequency radiating circuit;

B, be assembled on the controller (2) by oscillatory circuit, amplification and rectification circuit and the receptacle formed of decoding scheme along separate routes;

C, receptacle be the output terminal of decoding scheme along separate routes, is connected with the relay of do startup usefulness in the controller (2) through amplifier.

3, frequency conversion inflation x-ray flaw detector according to claim 1 is characterized in that described control device is made of timing relay, and the relay of making startup usefulness in the controller (2) is connected with the contact switch of timing relay.

4, frequency conversion inflation x-ray flaw detector according to claim 1, it is characterized in that described control device is made of the delay control circuit that comprises dial (68), time counter (69), time display (70), control circuit (72), the output terminal of delay control circuit is connected with the relay of do startup usefulness in the controller (2).