CN110174030A - A kind of detection device of perforation Magnedat time break - Google Patents
A kind of detection device of perforation Magnedat time break Download PDFInfo
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- CN110174030A CN110174030A CN201910560535.7A CN201910560535A CN110174030A CN 110174030 A CN110174030 A CN 110174030A CN 201910560535 A CN201910560535 A CN 201910560535A CN 110174030 A CN110174030 A CN 110174030A
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 239000003990 capacitor Substances 0.000 claims description 30
- 239000013078 crystal Substances 0.000 claims description 6
- 238000010276 construction Methods 0.000 abstract description 8
- 239000003999 initiator Substances 0.000 abstract description 7
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 7
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 238000003825 pressing Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C21/00—Checking fuzes; Testing fuzes
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Abstract
The present invention provides a kind of perforation detection devices of Magnedat time break, including controller, and the trigger, frequency divider, display screen and the key circuit that connect respectively with the controller, wherein the trigger is connect with the frequency divider.The present invention by designing above, it can carry out the measurement of the frequency of electric signal especially time break and set specific frequency, to be detected to the signal of the frequency, when detecting the frequency, indicator light, which is lighted, intuitively shows signal, and it is possible thereby to which the perforator for judging initiator and being connected is under normal working condition, the electric signal of detonating primer normally can be provided to detonator wire and complete normal construction, avoid the generation of engineering accident.The configuration of the present invention is simple, design is reasonable, and at low cost, has very strong application value.
Description
Technical field
It is detonated and is believed with Magnedat the invention belongs to magnetron time break detection technique field more particularly to a kind of perforation
Number detection device.
Background technique
In the oil industry, it requires to carry out perforating job using to specific well section substantially, i.e., penetrates installation in perforating gun
Hole bullet is simultaneously connected with magnetic orientation by generating time break, warp by the initiator of earth's surface after the depth calibration in magnetic locator completion well
It crosses cable and magnetic locator reaches the detonator in perforating gun and ignites primacord to ignite perforating bullet, contain perforating bullet
Metal jet penetrates casing and is shot through formation to enable oil gas to flow into well convenient for the process of later period exploitation.It is fixed in magnetic
After position device completes depth calibration, it will be detonated using initiator to detonator.Once if initiator break down or
In magnetic locator circuit failure cause no time break can be loaded on detonator or time break frequency not just
Really, detonation just will fail, and construction party will undertake biggish accident responsibility, it is possible to cause asking reprovingly or imposing a fine even for Party A
It is to cancel job task.Because can not judge whether there is electric current has already been through detonator, it is possible to be in detonator unstable
Under state, and unsuccessful due to detonating, it is necessary to by magnetic locator and perforating gun be all lifted out well head reach ground could be
It debugs in the case where accepting the risk, will lead to the increase of construction period, to be delayed later period process.Therefore, it is penetrated in connection
Before hole rifle and magnetic orientation, whether detection time break is capable of the connection of regular supply detonator into magnetic orientation lower end and perforating gun
Locate very crucial.
Hand-held oscillograph is a kind of electronic measuring instrument of hand-held, for showing measured instantaneous value trail change feelings
Condition has the characteristics that easy to carry, easy to operate.It can be invisible converting electrical signal at observable image, just
The change procedure of various electrical phenomenas is studied in people.It using electron beam that is narrow, being made of high-velocity electrons, beat be coated with it is glimmering
On the panel of stimulative substance, so that it may generate tiny luminous point.Under the action of measured signal, electron beam just looks like the pen of one-pen
Point can depict the change curve of the instantaneous value of measured signal on panel.Various unlike signals can be observed using oscillograph
The wavy curve that amplitude changes over time can also test a variety of different electricity with it, such as voltage, electric current, frequency, phase
Difference, modulation etc., have the drawback that at high cost；Not intuitive, oscillograph does not have intuitive frequency, can only obtain image,
It needs to be calculated manually, is unfavorable for execute-in-place；Operating difficulties, due to needing two test pencils being connected to magnetic orientation interface,
It needs both hands while operating, oscillograph can not be operated again at this time；Technical difficulty is higher, holds since time break is one
The continuous time only has several milliseconds of signal, and time-consuming and laborious using oscillograph capture time break, operation is unskilled to be also possible to lead
Cause can not find useful signal, and common ground work is generally unable to complete, and the engineer for needing to have certain technical strength operates in person
It just can be with.
Summary of the invention
For above-mentioned deficiency in the prior art, a kind of detection of perforation Magnedat time break provided by the invention
Whether device can accurately be passed to detonator with visual inspection time break to avoid the purpose of engineering accident.
In order to reach the goals above, the technical solution adopted by the present invention are as follows:
This programme provides a kind of detection device of perforation Magnedat time break, including controller, and respectively with
Trigger, frequency divider, display screen and the key circuit of the controller connection, wherein the trigger and the frequency divider
Connection.
The beneficial effects of the present invention are: the present invention is amplified collected voltage using transistor amplifier, benefit
The sine wave triangular wave square wave of acquisition the equal square-wave signal of shaping output frequency is carried out with trigger to be passed in controller, when
Signal is passed to frequency divider progress scaling down processing when frequency input signal is excessive and transmits signal to controller again, controller will be defeated
The square-wave signal entered is handled, and records all rising edges in the number of a cycle, and carries out that corresponding frequency is calculated,
It is showing that its frequency, key circuit function are reset key respectively with display screen, is detecting key, digit key and subtracts key at plus key, will
The data to be surveyed are saved into controller 1, and red light lights when reaching predeterminated frequency by measured frequency, are flashed, this hair
It is bright by designing above, the measurement of the frequency of electric signal especially time break can be carried out and set specific frequency, thus right
The signal of the frequency is detected, and when detecting the frequency, indicator light, which is lighted, intuitively shows signal, and it is possible thereby to
The perforator for judging initiator and being connected is under normal working condition, can normally be mentioned the electric signal of detonating primer
It is supplied to detonator wire and completes normal construction, avoid the generation of engineering accident.
Further, the controller include the singlechip chip U1 of model STC12C5A60S2, power interface J1 with
And program download interface J2, wherein
The cathode of the 1st pin connection light emitting diode D2 of the chip U1, the anode connection resistance of light emitting diode D2
One end of R10, the other end of resistance R10 are connect with the 38th pin of the chip U1, the 4th pin of the chip U1 respectively with
The cathode of polar capacitor C5, switch S5 one are closed and ground resistance R9 connection, the other end of switch S5 respectively with polar capacitor
The 38th pin of the positive and described chip U1 of C5 connects, the 5th pin of the chip U1 and the 3rd pin of the interface J2
Connection, the 7th pin of the chip U1 are connect with the 2nd pin of the interface J2, the 1st pin ground connection of the interface J2, institute
The 4th pin for stating interface J2 is connect with one end of the 1st pin of the interface J1 and single knife switch S6 respectively, the interface J1
The 2nd pin ground connection, the other end of single knife switch S6 connect with the 38th pin of the chip U1, and the 8th of the chip U1 is drawn
Foot, the 9th pin, the 10th pin and the 11st pin are connect with the key circuit respectively, the 14th pin point of the chip U1
Do not connect with one end of crystal oscillator Y1 and ground capacity C6, the 15th pin of the chip U1 respectively with crystal oscillator
The other end of Y1 and ground capacity C7 connection, the 16th pin ground connection of the chip U1, the 18th pin of the chip U1, the
19 pins, the 20th pin, the 21st pin and the 22nd pin are connect with the display screen respectively, the 43rd pin of the chip U1
It is connect with the trigger, the 44th pin of the chip U1 is connect with the frequency divider, and the 38th pin of the chip U1 is also
It is connect respectively with one end of resistance R8, trigger, frequency divider and display screen, the other end of resistance R8 is with light emitting diode D1's
Anode connection, the cathode ground connection of light emitting diode D1.
The beneficial effect of above-mentioned further scheme is: the present invention in controller treated signal can be carried out detection with
Analysis obtains corresponding frequency, and the present invention uses single-chip microcontroller of the STC12C5A60S2 as controller, has high speed, low function
Consumption, superpower jamproof feature, and it is internally integrated MAX810 Special reset circuit, 2 road PWM, 8 road 10-bit high speed A/D conversion, needle
To motor control, strong jamming occasion provides good condition with detection for controller analysis.
Still further, the trigger includes schmidt trigger chip U2, the model 2SC3355 of model 74LS14
Triode Q1, signal input interface J3 and potentiometer interface J4, wherein
The 1st pin of the chip U2 is connect with one end of the collector of triode Q1 and resistance R1 respectively, resistance R1's
The other end is connect with the 38th pin of one end of resistance R2 and the chip U1 respectively, the other end of resistance R2 respectively with polarity
One end connection of the anode of capacitor C1, the base stage of triode Q1, one end of resistance R3 and capacitor C2, the cathode of polar capacitor C1
It is connect respectively with the 2nd pin of the other end of capacitor C2 and interface J4, the 1st pin of interface J4 and the 2nd pin of interface J3
Connection, the 1st pin of interface J3 connect with one end of resistance R5, the other end of resistance R5 respectively with the other end of resistance R3, electricity
The cathode connection of one end of R4, one end of capacitor C3 and polar capacitor C4 is hindered, and is grounded, the other end of resistance R4 is respectively with three
The anode connection of the emitter of pole pipe Q1, the other end of capacitor C3 and polar capacitor C4, the 2nd pin of the chip U2 and institute
The 3rd pin connection of chip U2 is stated, the 4th pin of the chip U2 is connect with the 5th pin of the chip U2, the chip U2
The 6th pin connect respectively with the 43rd pin of the chip U1 and frequency divider, the 7th pin of chip U2 ground connection, institute
The 14th pin for stating chip U2 is connect with the 38th pin of the chip U1.
The beneficial effect of above-mentioned further scheme is: since controller can only read digital signal, when the signal ratio of input
Controller cannot be directly read when lesser, and therefore, present invention uses level-one transistor amplifiers to the signal of input
It amplifies, since the signal of transistor amplifier output is not the square-wave signal of standard, it is not precipitous enough that there is rising edges,
Waveform is similar to the problems such as sine wave, and in order to acquire controller preferably to signal, present invention uses Schmidt triggers
74ls14 carries out shaping to the signal that transistor amplifier exports, and slowly varying input signal can be converted into clear, nothing
The output signal of shake.
Still further, the frequency divider uses the frequency dividing chip U3 of model 74LS390, the 1st of the chip U3 is drawn
Foot is connect with the 10th pin of the chip U3, the 2nd pin ground connection of the chip U3, the 3rd pin of the chip U3 and institute
The 15th pin connection of chip U3 is stated, the 4th pin of the chip U3 is connect with the 6th pin of the chip U2, the chip
The 6th pin of U3 is connect with the 12nd pin of the chip U3, the 8th pin of chip U3 ground connection, and the of the chip U3
13 pins are connect with the 44th pin of the chip U1, and the 14th pin ground connection of the chip U3, the 16th of the chip U3 is drawn
Foot is connect with the 38th pin of the chip U1.
The beneficial effect of above-mentioned further scheme is: since the controller speed of service is limited, controller runs a basis
It is the clock cycle that instruction, which needs 1 machine cycle i.e. 12, and being converted into the time is 1us, and controller is just when frequency is excessively high
Frequency cannot be accurately conversed very much, therefore present invention adds 74LS390 to divide chip, the meter with one 100 frequency dividing
Number device, signal after controller calculates frequency dividing when frequency is higher than 200KHZ calculate when frequency is lower than 200KHZ
Signal before frequency dividing, such high level matches with low level can expand the measurement frequency of controller, finally converse its true corresponding frequency
And it shows on a display screen.
Still further, the display screen is OLED display chip U4, the 1st pin of the chip U4 is grounded, the core
The 2nd pin of piece U4 is connect with the 38th pin of the chip U1, the 3rd pin of the chip U4 and the 18th of the chip U1
Pin connection, the 4th pin of the chip U4 connect with the 19th pin of the chip U1, the 5th pin of the chip U4 and
The 20th pin of the chip U1 connects, and the 6th pin of the chip U4 is connect with the 21st pin of the chip U1, the core
The 7th pin of piece U4 is connect with the 22nd pin of the chip U1.
The beneficial effect of above-mentioned further scheme is: using OLED display screen for two pole of organic electric-excitation luminescent in the present invention
Pipe, is provided simultaneously with self-luminous, is not required to that backlight, contrast are high, thickness is thin, visual angle is wide, reaction speed is fast, can be used for flexibility face
The excellent characteristics such as plate, use temperature range are wide, construction and processing procedure are simpler, for the present invention provides good display conditions.
Still further, the key circuit includes switch S1, switch S2, switch S3 and switch S4, wherein
One end of the switch S1 connects with one end of one end of the switch S2, one end of switch S3 and switch S4 respectively
It connects, and is grounded, the other end of the switch S1 is connect with the 8th pin of the chip U1, the other end of the switch S2 and institute
The 9th pin connection of chip U1 is stated, the other end of the switch S3 is connect with the 10th pin of the chip U1, the switch S4
The other end connect with the 11st pin of the chip U1.
The beneficial effect of above-mentioned further scheme is: key circuit of the present invention includes 5 keys comprising reset key, inspection
Key is surveyed, digit key and subtracts key at plus key, wherein reset key is used for program initialization, and reads the fiducial value of deposit, and detection key is used
In the frequency of detection input input, digit key is for switching the fiducial value digit currently to be adjusted, and plus key currently for comparing
It to be adjusted compared with value and add 1 in digit, subtracted key for adjust in digit in current fiducial value and subtract 1, mentioned for practical operation of the invention
Convenience is supplied.
Detailed description of the invention
Fig. 1 is structure control schematic diagram of the invention.
Fig. 2 is the circuit diagram of controller of the invention.
Fig. 3 is the circuit connection diagram of trigger and frequency divider of the invention.
Fig. 4 is display screen figure of the invention.
Fig. 5 is key circuit figure of the invention.
Wherein, 1- controller, 2- trigger, 3- frequency divider, 4- display screen, 5- key circuit.
Specific embodiment
A specific embodiment of the invention is described below, in order to facilitate understanding by those skilled in the art this hair
It is bright, it should be apparent that the present invention is not limited to the ranges of specific embodiment, for those skilled in the art,
As long as various change is in the spirit and scope of the present invention that the attached claims limit and determine, these variations are aobvious and easy
See, all are using the innovation and creation of present inventive concept in the column of protection.
Embodiment
Frequency detecting meter is mainly used to detect the time break that provides of magnetoelectric primer blaster, the signal be a pulse compared with
Short (about 0.1 second), the signal of frequency higher (tens even several hundred KHz), if cannot test before construction the signal,
Not can guarantee construction then normally can smoothly carry out even generation engineering accident, and therefore, it is necessary to carry out to this time break
Measurement.A kind of detection device of perforation Magnedat time break provided by the invention can with visual inspection time break whether
Detonator can be passed to accurately to avoid the purpose of engineering accident.
As shown in Figure 1, the invention discloses a kind of perforation detection device of Magnedat time break, including controller
1, and the trigger 2, frequency divider 3, display screen 4 and the key circuit 5 that are connect respectively with the controller 1, wherein the touching
Hair device 2 is connect with the frequency divider 3.
As shown in Fig. 2, the controller 1 includes singlechip chip U1, the power interface J1 of model STC12C5A60S2
And program download interface J2, wherein
The cathode of the 1st pin connection light emitting diode D2 of the chip U1, the anode connection resistance of light emitting diode D2
One end of R10, the other end of resistance R10 are connect with the 38th pin of the chip U1, the 4th pin of the chip U1 respectively with
The cathode of polar capacitor C5, switch S5 one are closed and ground resistance R9 connection, the other end of switch S5 respectively with polar capacitor
The 38th pin of the positive and described chip U1 of C5 connects, the 5th pin of the chip U1 and the 3rd pin of the interface J2
Connection, the 7th pin of the chip U1 are connect with the 2nd pin of the interface J2, the 1st pin ground connection of the interface J2, institute
The 4th pin for stating interface J2 is connect with one end of the 1st pin of the interface J1 and single knife switch S6 respectively, the interface J1
The 2nd pin ground connection, the other end of single knife switch S6 connect with the 38th pin of the chip U1, and the 8th of the chip U1 is drawn
Foot, the 9th pin, the 10th pin and the 11st pin are connect with the key circuit 5 respectively, the 14th pin point of the chip U1
Do not connect with one end of crystal oscillator Y1 and ground capacity C6, the 15th pin of the chip U1 respectively with crystal oscillator
The other end of Y1 and ground capacity C7 connection, the 16th pin ground connection of the chip U1, the 18th pin of the chip U1, the
19 pins, the 20th pin, the 21st pin and the 22nd pin are connect with the display screen 4 respectively, and the 43rd of the chip U1 is drawn
Foot is connect with the trigger 2, and the 44th pin of the chip U1 is connect with the frequency divider 3, and the 38th of the chip U1 is drawn
Foot is also connect with one end of resistance R8, trigger 2, frequency divider 3 and display screen 4 respectively, the other end of resistance R8 and luminous two
The anode connection of pole pipe D1, the cathode ground connection of light emitting diode D1.
As shown in figure 3, the trigger 2 includes schmidt trigger chip U2, the model 2SC3355 of model 74LS14
Triode Q1, signal input interface J3 and potentiometer interface J4, wherein the 1st pin of the chip U2 respectively with three poles
The collector of pipe Q1 is connected with one end of resistance R1, the other end of resistance R1 respectively with one end of resistance R2 and the chip U1
The 38th pin connection, the other end of resistance R2 respectively with the anode of polar capacitor C1, the base stage of triode Q1, resistance R3 one
End and the connection of one end of capacitor C2, the cathode of polar capacitor C1 draw with the 2nd of the other end of capacitor C2 and interface J4 the respectively
Foot connection, the 1st pin of interface J4 are connect with the 2nd pin of interface J3, and the 1st pin of interface J3 and one end of resistance R5 connect
Connect, the other end of resistance R5 respectively with the other end of resistance R3, one end of resistance R4, one end of capacitor C3 and polar capacitor C4
Cathode connection, and be grounded, the other end of resistance R4 respectively with the emitter of triode Q1, the other end of capacitor C3 and polarity
The anode connection of capacitor C4, the 2nd pin of the chip U2 are connect with the 3rd pin of the chip U2, and the 4th of the chip U2 the
Pin is connect with the 5th pin of the chip U2, the 6th pin of the chip U2 respectively with the 43rd pin of the chip U1 with
And frequency divider 3 connects, the 7th pin ground connection of the chip U2, the 14th pin of the chip U2 and the 38th of the chip U1
Pin connection.
As shown in figure 3, frequency dividing chip U3 of the frequency divider 3 using model 74LS390, the 1st of the chip U3 is drawn
Foot is connect with the 10th pin of the chip U3, the 2nd pin ground connection of the chip U3, the 3rd pin of the chip U3 and institute
The 15th pin connection of chip U3 is stated, the 4th pin of the chip U3 is connect with the 6th pin of the chip U2, the chip
The 6th pin of U3 is connect with the 12nd pin of the chip U3, the 8th pin of chip U3 ground connection, and the of the chip U3
13 pins are connect with the 44th pin of the chip U1, and the 14th pin ground connection of the chip U3, the 16th of the chip U3 is drawn
Foot is connect with the 38th pin of the chip U1.
As shown in figure 4, the display screen 4 is OLED display chip U4, the 1st pin of the chip U4 is grounded, the core
The 2nd pin of piece U4 is connect with the 38th pin of the chip U1, the 3rd pin of the chip U4 and the 18th of the chip U1
Pin connection, the 4th pin of the chip U4 connect with the 19th pin of the chip U1, the 5th pin of the chip U4 and
The 20th pin of the chip U1 connects, and the 6th pin of the chip U4 is connect with the 21st pin of the chip U1, the core
The 7th pin of piece U4 is connect with the 22nd pin of the chip U1.
As shown in figure 5, the key circuit 5 includes switch S1, switch S2, switch S3 and switch S4, wherein described to open
The one end for closing S1 is connect with one end of one end of the switch S2, one end of switch S3 and switch S4 respectively, and is grounded, described
The other end of switch S1 is connect with the 8th pin of the chip U1, and the other end of the switch S2 draws with the 9th of the chip U1
Foot connection, the other end of the switch S3 connect with the 10th pin of the chip U1, the other end of the switch S4 with it is described
The 11st pin of chip U1 connects.
In a particular embodiment, the present invention is amplified collected voltage using transistor amplifier, utilizes touching
It sends out device 2 to carry out the sine wave triangular wave square wave of acquisition in the incoming controller 1 of the equal square-wave signal of shaping output frequency, when defeated
Enter signal frequency it is excessive when signal be passed to frequency divider 3 carry out scaling down processing and transmit signal to controller 1 again, controller 1 will
The square-wave signal of input is handled, and records all rising edges in the number of a cycle, and carries out that corresponding frequency is calculated
Rate shows its frequency in display screen 4, and in the present embodiment, key circuit 4 includes reset key, detects key, digit key, plus key
And subtracting key, red light lights when reaching predeterminated frequency by measured frequency, is flashed.The present invention is low using specific frequency
Frequently, intermediate frequency and high-frequency signal (it is recommended that being 40HZ, 4KHZ and 400KHZ) detect equipment, i.e., by the letter of above-mentioned specific frequency
It number is attached and is acquired with the present apparatus, when the frequency error of frequency and signal specific that the present apparatus detects is less than percentage
Five when, then can definition apparatus working condition normal reliable, by the normal magnetoelectric primer blaster of working condition (initiating instrument) even
Enter to the present apparatus, press the button the detection key in circuit 4, then moment provides time break, can carry out the signal of initiator
The measurement of frequency, the signal that will test (can also directly input the frequency number of initiator manufacturer offer without detection
Value) frequency values are input in the present apparatus.In the case of at the scene (i.e. by the port of the measurement both ends of the present apparatus and perforator bottom
The position being connect with detonator wire) connection, the detection key in circuit 4 is then pressed the button, is detonated by magnetoelectric primer blaster.When
When time break can normally arrive at perforator bottom port, the green light of detection device is lighted, and the letter can be shown on display screen 4
Number frequency, if green light fails to light, then illustrate time break fail normally arrive at perforator bottom port, it is necessary to carry out therefore
The investigation of barrier, and detected again after investigation until signal detection can successfully connect detonator and carry out next step construction.
In the present embodiment, reset key can be by all program initializations, and read the fiducial value of deposit, when the work of the present apparatus
Pressing reset key into some unstable state moment returns to original state it；Key is detected to input for detection input
Frequency, the frequency of signal can be detected by pressing this key when the present apparatus has connected signal source；Digit key is for cutting
The fiducial value digit currently to be adjusted is changed, when pressing digit key, the number of display screen 4 can change, and come in this way
It determines the digit for needing the frequency number adjusted, provides convenience for quickly adjustment frequency number；Plus key may be implemented in current fiducial value and want
It adjusts+1 in digit, when digit is 2, original number 0 can be become 1 by plus key, when plus key is pressed always to 9 Shi Keji
It is continuous to press then achievable automatic carry, i.e., it is one higher on number add 1 and present bit returns 0；Subtracting key may be implemented in current comparison
Value, which will adjust in digit, subtracts 1, presses and subtracts key and the second of fiducial value can be become 0 from 1, realizes the reduction of numerical value, when being reduced to 0
Shi Jixu, which is pressed, subtracts key, then the number in achievable higher level-one digit subtracts 1 realization is given up the throne.In the present embodiment, display screen 4 can be with
Show following 4 row contents: the fixed display of the 1st row are as follows: " current frequency (HZ) "；Signal detected by the 2nd row display present invention
Frequency values, in the initial state without display, can be shown as under measuring state number；3rd row is shown are as follows: " comparing: XXXX ",
Wherein, XXXX is number, and maximum can reach 7, can be modified by key circuit 4 to the number；4th row is shown are as follows:
" digit: X ", X are number, the digit for the frequency fiducial value currently to be adjusted, when the digit key pressed the button in circuit 4 is adjusted
The number can change when section, variation range 1-7.In the present embodiment, digit is pressed in adjustment for frequency fiducial value first
Key adjustment digit is adjusted to the value needed, which is generally the inspection under service condition at the scene in the case where ensuring signal normal situation
The frequency values that producer provides before the frequency values or signal source that measure dispatch from the factory adjust value in corresponding digit pressing plus/minus key.Often
Secondary adjustment fiducial value can all store fiducial value, and power-off automatically saves.Specific operation process is adjusted first for being adjusted to 4200Hz
Whole digit is 3, and then adjusting the 3rd place value is 2, and next successive step digit is 4, and then adjusting the 4th place value is 4, at this time frequency
Adjustment can be completed.In the present embodiment, in frequency fiducial value and equal frequency detecting value (within ± the 5% of frequency fiducial value
It is) LED light is bright, while display screen 4 shows that fiducial value and frequency detecting value are equal.In the present embodiment, when any meaning occurs in system
When outer situation, reset key resetting machine is pressed, original state can be restored the system to.
The present invention can detecte and show the frequency of input signal by designing above, fixed frequency can be set in advance
Rate can quickly be adjusted the frequency being set in advance, and can be automatically recorded frequency be set in advance and be guaranteed this
The frequency detecting device that invention provides still retains the memory to the frequency, frequency detection equipment provided by the invention after a loss of power
Frequency setting after detection process in detect the fixed frequency being set in advance signal can make led indicator light light to
It is intuitive to show, restore initial state when equipment enters certain unstable state.
Claims (6)
1. a kind of perforation detection device of Magnedat time break, which is characterized in that including controller (1), and respectively
Trigger (2), frequency divider (3), display screen (4) and the key circuit (5) being connect with the controller (1), wherein the touching
Hair device (2) is connect with the frequency divider (3).
2. the perforation according to claim 1 detection device of Magnedat time break, which is characterized in that the control
Device (1) includes singlechip chip U1, the power interface J1 and program download interface J2 of model STC12C5A60S2, wherein
The cathode of the 1st pin connection light emitting diode D2 of the chip U1, the anode connection resistance R10's of light emitting diode D2
One end, the other end of resistance R10 are connect with the 38th pin of the chip U1, the 4th pin of the chip U1 respectively with polarity
The cathode of capacitor C5, the one of switch S5 is closed and ground resistance R9 connection, and the other end of switch S5 is respectively with polar capacitor C5's
The 38th pin of the positive and described chip U1 connects, and the 5th pin of the chip U1 and the 3rd pin of the interface J2 connect
It connects, the 7th pin of the chip U1 is connect with the 2nd pin of the interface J2, the 1st pin ground connection of the interface J2, described
The 4th pin of interface J2 is connect with one end of the 1st pin of the interface J1 and single knife switch S6 respectively, the interface J1's
2nd pin ground connection, the other end of single knife switch S6 are connect with the 38th pin of the chip U1, the 8th pin of the chip U1,
9th pin, the 10th pin and the 11st pin are connect with the key circuit (5) respectively, the 14th pin point of the chip U1
Do not connect with one end of crystal oscillator Y1 and ground capacity C6, the 15th pin of the chip U1 respectively with crystal oscillator
The other end of Y1 and ground capacity C7 connection, the 16th pin ground connection of the chip U1, the 18th pin of the chip U1, the
19 pins, the 20th pin, the 21st pin and the 22nd pin are connect with the display screen (4) respectively, and the 43rd of the chip U1 the
Pin is connect with the trigger (2), and the 44th pin of the chip U1 is connect with the frequency divider (3), the chip U1's
38th pin is also connect with one end of resistance R8, trigger (2), frequency divider (3) and display screen (4) respectively, and resistance R8's is another
One end is connect with the anode of light emitting diode D1, the cathode ground connection of light emitting diode D1.
3. the perforation according to claim 2 detection device of Magnedat time break, which is characterized in that the triggering
Device (2) includes triode Q1, the signal input interface of the schmidt trigger chip U2 of model 74LS14, model 2SC3355
J3 and potentiometer interface J4, wherein
The 1st pin of the chip U2 is connect with one end of the collector of triode Q1 and resistance R1 respectively, and resistance R1's is another
End connect respectively with the 38th pin of one end of resistance R2 and the chip U1, the other end of resistance R2 respectively with polar capacitor
One end connection of the anode of C1, the base stage of triode Q1, one end of resistance R3 and capacitor C2, the cathode difference of polar capacitor C1
It being connect with the 2nd pin of the other end of capacitor C2 and interface J4, the 1st pin of interface J4 is connect with the 2nd pin of interface J3,
The 1st pin of interface J3 connect with one end of resistance R5, the other end of resistance R5 respectively with the other end of resistance R3, resistance R4
The cathode of one end, one end of capacitor C3 and polar capacitor C4 connects, and is grounded, the other end of resistance R4 respectively with triode Q1
Emitter, capacitor C3 the other end and polar capacitor C4 anode connection, the 2nd pin of the chip U2 and the chip
The 3rd pin of U2 connects, and the 4th pin of the chip U2 is connect with the 5th pin of the chip U2, and the 6th of the chip U2 the
Pin is connect with the 43rd pin of the chip U1 and frequency divider (3) respectively, the 7th pin ground connection of the chip U2, described
The 14th pin of chip U2 is connect with the 38th pin of the chip U1.
4. according to the perforation as claimed in claim 3 detection device of Magnedat time break, which is characterized in that the frequency divider
(3) connected using the 1st pin of frequency dividing the chip U3, the chip U3 of model 74LS390 and the 10th pin of the chip U3
It connects, the 2nd pin ground connection of the chip U3, the 3rd pin of the chip U3 is connect with the 15th pin of the chip U3, described
The 4th pin of chip U3 is connect with the 6th pin of the chip U2, and the of the 6th pin of the chip U3 and the chip U3
The connection of 12 pins, the 8th pin ground connection of the chip U3, the 13rd pin of the chip U3 and the 44th pin of the chip U1
Connection, the 14th pin ground connection of the chip U3, the 16th pin of the chip U3 are connect with the 38th pin of the chip U1.
5. the perforation according to claim 2 detection device of Magnedat time break, which is characterized in that the display
Shielding (4) is OLED display chip U4, and the 1st pin of the chip U4 is grounded, the 2nd pin and the chip U1 of the chip U4
The connection of the 38th pin, the 3rd pin of the chip U4 connect with the 18th pin of the chip U1, the 4th of the chip U4 the
Pin is connect with the 19th pin of the chip U1, and the 5th pin of the chip U4 is connect with the 20th pin of the chip U1,
The 6th pin of the chip U4 is connect with the 21st pin of the chip U1, the 7th pin and the chip U1 of the chip U4
The 22nd pin connection.
6. the perforation according to claim 2 detection device of Magnedat time break, which is characterized in that the key
Circuit (5) includes switch S1, switch S2, switch S3 and switch S4, wherein
One end of the switch S1 is connect with one end of one end of the switch S2, one end of switch S3 and switch S4 respectively,
And be grounded, the other end of the switch S1 is connect with the 8th pin of the chip U1, the other end and the core of the switch S2
The 9th pin of piece U1 connects, and the other end of the switch S3 is connect with the 10th pin of the chip U1, and the switch S4's is another
One end is connect with the 11st pin of the chip U1.
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| CN201910560535.7A CN110174030B (en) | 2019-06-26 | 2019-06-26 | Detection device for detonation signal of magneto-electric detonator for perforation |
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| CN201910560535.7A CN110174030B (en) | 2019-06-26 | 2019-06-26 | Detection device for detonation signal of magneto-electric detonator for perforation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923382A (en) * | 2022-07-01 | 2022-08-19 | 深圳寅辰科技有限公司 | Electronic detonator module test system |
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|---|---|
| CN110174030B (en) | 2023-11-21 |
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