CN209166489U - A kind of sensor quick detection circuit and the detection device using it - Google Patents
A kind of sensor quick detection circuit and the detection device using it Download PDFInfo
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- CN209166489U CN209166489U CN201822238255.8U CN201822238255U CN209166489U CN 209166489 U CN209166489 U CN 209166489U CN 201822238255 U CN201822238255 U CN 201822238255U CN 209166489 U CN209166489 U CN 209166489U
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Abstract
The utility model discloses a kind of sensor quick detection circuit and using its detection device, it is related to oil field well logging field, wherein a kind of sensor quick detection circuit, comprising: detection control circuit；The input terminal of the detection control circuit, connect with drawworks sensor, pulse transducer and analog signals sensor respectively；The output end of the detection control circuit is connect with display screen；The detection control circuit, the signal exported for acquiring the drawworks sensor, pulse transducer and analog signals sensor, and the signal is sent to the display screen；The display screen, for showing the signal.To solve not testing the logging sensors at scene before sensor is installed, when discovery sensor is problematic after the installation is completed, need to carry out demolition and replacement the problem of installing.
Description
Technical field
The utility model relates to oil field well logging field, specifically a kind of sensor quick detection circuit and the inspection using it
Survey device.
Background technique
It, can not be to the logging sensors at scene when logging equipment room is not powered on before well logging scene, sensor installation
It is tested, therefore many problematic sensors can not be found in advance, just be installed.When installing, to sensing
Device is powered, and when discovery sensor is problematic, need to carry out demolition and replacement installation, cumbersome, increases the labour of Field Force
Intensity.
In addition during well logging, when sensor acquires signal when something goes wrong, in the case that scene is without spare part, nothing
Method quickly determines fault point, and the repair time is long, inefficiency, even to stop to bore maintenance sometimes, seriously affect the brill at scene
Well speed-raising.
Summary of the invention
In view of this, the present invention provides a kind of sensor quick detection circuit and using its detection device, with solution
The logging sensors at scene can not certainly be tested before sensor installation, when discovery sensor is problematic after the installation is completed,
Need to carry out demolition and replacement installation, cumbersome, increase the labor intensity of Field Force, and during well logging, work as biography
Sensor acquires signal when something goes wrong, in the case that scene is without spare part, can not quickly determine fault point, repair time
Long, inefficiency will even stop the problem of boring maintenance, having seriously affected the drilling speed at scene sometimes.
In a first aspect, the utility model provides a kind of sensor quick detection circuit, comprising:
Detect control circuit；
The input terminal of the detection control circuit, senses with drawworks sensor, pulse transducer and analog signals respectively
Device connection；
The output end of the detection control circuit is connect with display screen；
The detection control circuit, for acquiring the drawworks sensor, pulse transducer and analog signals sensor
The signal of output, and the signal is sent to the display screen；
The display screen, for showing the signal.
Preferably, the detection control circuit, comprising: drawworks sensor detection circuit, pulse transducer detection circuit and
Analog signals sensor detection circuit；
The drawworks sensor detection circuit, the pulse transducer detection circuit and analog signals sensor inspection
The connection of display screen described in the output end of slowdown monitoring circuit；
The drawworks sensor detection circuit, the pulse transducer detection circuit and analog signals sensor inspection
Slowdown monitoring circuit, for measuring winch turn signal, the pulse transducer detection electricity of the drawworks sensor detection circuit respectively
The analog signals close to pulse signal and the analog signals sensor detection circuit on road；
The display screen, for showing the winch turn signal, close to pulse signal and analog signals.
Preferably, the drawworks sensor detection circuit, comprising: frequency discrimination reflects to circuit；
The frequency discrimination reflects to circuit, for distinguishing the rotating forward, reversion, several and reverse coil of just turn-taking of the drawworks sensor
Number.
Preferably, the drawworks sensor detection circuit, further includes: drawworks sensor optocoupler detection circuit；
The input terminal of the drawworks sensor optocoupler detection circuit is connect with the drawworks sensor, the drawworks sensor
The output end of optocoupler detection circuit reflects with the frequency discrimination and connect to the input terminal of circuit, the output end that the frequency discrimination reflects to circuit with
The display screen connection；
The drawworks sensor optocoupler detection circuit is reflected for protecting and triggering the frequency discrimination to circuit.
Preferably, pulse transducer detection circuit, comprising: pulse transducer optocoupler detection circuit；
The input terminal of the pulse transducer optocoupler detection circuit is connect with the pulse transducer detection circuit, the arteries and veins
The output end for rushing sensor optocoupler detection circuit is connect with the display screen；
The pulse transducer optocoupler detection circuit described is passed for detecting close to pulse signal and the protection pulse
Junior's circuit of sensor optocoupler detection circuit output end.
Preferably, the analog signals sensor detection circuit, comprising: bleeder circuit and amplifying circuit；
The input terminal of the bleeder circuit is connect with the analog signals sensor detection circuit, the bleeder circuit
Output end is connect with the input terminal of the amplifying circuit, and the output end of the amplifying circuit is connect with the display screen；
The bleeder circuit, for the analog signals to be converted to voltage signal；
The amplifying circuit, for the voltage signal to be amplified setting voltage value.
Preferably, the analog signals sensor detection circuit, further includes: follower；
The output end of the amplifying circuit is connect with the input terminal of the follower, the output end of the follower with it is described
Display screen connection.
Preferably, the output end of the follower and the input terminal of A/D converter circuit connect, the A/D converter circuit it is defeated
Outlet is connect with the display screen；
The A/D converter circuit, for the amplified voltage signal to be converted to digital quantity voltage signal.
Preferably, the output end of the drawworks sensor, pulse transducer and analog signals sensor, respectively with control
The input terminal of device connects；
The output end of the controller is connect with the display screen；
The controller for acquiring the signal, and sends institute's signal to the display screen.
Second aspect, the utility model provide a kind of sensor device for fast detecting, comprising:
Such as a kind of above-mentioned sensor quick detection circuit.
The utility model at least has the following beneficial effects:
The utility model provides a kind of sensor quick detection circuit and the detection device using it, to solve sensor peace
The logging sensors at scene can not be tested before dress, when discovery sensor is problematic after the installation is completed, need to be dismantled
It is installed with replacement, it is cumbersome, the labor intensity of Field Force is increased, and during well logging, believed when sensor acquires
Number when something goes wrong, in the case that scene is without spare part, fault point can not be quickly determined, the repair time is long, inefficiency,
Sometimes even to stop the problem of boring maintenance, having seriously affected the drilling speed at scene.
Detailed description of the invention
By the description below with reference to attached drawing to the utility model embodiment, the above-mentioned and other mesh of the utility model
, feature and advantage it is apparent, in the accompanying drawings:
Fig. 1 is a kind of integrated circuit block diagram of sensor quick detection circuit of the utility model embodiment；
Fig. 2 is a kind of physical circuit block diagram of sensor quick detection circuit of the utility model embodiment；
Fig. 3 is the circuit diagram of the drawworks sensor detection circuit of the utility model embodiment；
Fig. 4 is the circuit diagram of the pulse transducer detection circuit of the utility model embodiment；
Fig. 5 is the circuit diagram of the analog signals sensor detection circuit of the utility model embodiment.
Specific embodiment
The utility model is described below based on embodiment, but it is worth noting that, the utility model is simultaneously unlimited
In these embodiments.It is detailed to describe some specific detail sections below in the datail description of the utility model.So
And for the part of no detailed description, the utility model can also be understood completely in those skilled in the art.
In addition, it should be understood by one skilled in the art that provided attached drawing is simply to illustrate that the utility model
Objects, features and advantages, attached drawing are not to be actually drawn to scale.
Meanwhile unless the context clearly requires otherwise, "include", "comprise" etc. otherwise throughout the specification and claims
Similar word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, being " including but not limited to "
Meaning.
Fig. 1 is a kind of integrated circuit block diagram of sensor quick detection circuit of the utility model embodiment.Fig. 2 is this reality
With a kind of physical circuit block diagram of sensor quick detection circuit of new embodiment.As depicted in figs. 1 and 2, a kind of sensor
Quick detection circuit, comprising: detection control circuit 1；Detect control circuit 1 input terminal, respectively with drawworks sensor 2, pulse
Sensor 3 and analog signals sensor 4 connect；The output end of detection control circuit 1 is connect with display screen 5；Detection control electricity
Road 1, the signal exported for acquiring drawworks sensor 2, pulse transducer 3 and analog signals sensor 4, and send signal
To display screen 5；Display screen 5, for showing signal.To solve not carrying out live logging sensors before sensor is installed
Test, when discovery sensor is problematic after the installation is completed, need to carry out demolition and replacement installation, cumbersome, increase live people
The labor intensity of member, and during well logging, when sensor acquires signal when something goes wrong, when scene does not have the case where spare part
Under, it can not quickly determine fault point, the repair time is long, inefficiency, even to stop to bore maintenance sometimes, seriously affect scene
Drilling speed the problem of.
Specifically, winch rotates forward umber of pulse and number of just turn-taking increases when drawworks sensor 2 rotates forward；When reversion, winch is anti-
Turn umber of pulse and reverse coil number increases.Such as, the circle number of drawworks sensor is limited, can be sensed by the winch that display screen 5 is shown
Device 2 encloses whether number is identical as the circle number of drawworks sensor is limited to judge whether the work of drawworks sensor 2 is normal, as display screen 5 is aobvious
The circle number of drawworks sensor 2 shown is identical as the circle number of drawworks sensor is limited, then drawworks sensor 2 is working properly；Such as display screen 5
The circle number of drawworks sensor 2 of display and the circle number for limiting drawworks sensor be not identical, then drawworks sensor 2 works abnormal.
Specifically, pulse transducer 3 is close to once, detection control circuit 1 uses 1 pulse；If pulse transducer 3
Close to 10 times, then 10 pulses are shown in display screen 5, then pulse transducer 3 is working properly, and otherwise pulse transducer 3 works
It is abnormal.
Specifically, analog signals sensor 4, such as: pressure sensor (0-100Mpa), by pressurizing device to pressure
Sensor pressurization, if being pressurized to 100Mpa, display screen shows 20 mA, then analog signals sensor 4 is working properly, otherwise
Analog signals sensor 4 works abnormal.
In fig. 1 and 2, control circuit 1 is detected, comprising: drawworks sensor detection circuit 11, pulse transducer detection electricity
Road 12 and analog signals sensor detection circuit 13；Drawworks sensor detection circuit 11,12 and of pulse transducer detection circuit
The output end display screen 5 of analog signals sensor detection circuit 13 connects；Drawworks sensor detection circuit 11, pulse transducer
Detection circuit 12 and analog signals sensor detection circuit 13, for measuring the winch of drawworks sensor detection circuit 11 respectively
The simulation close to pulse signal and analog signals sensor detection circuit 13 of turn signal, pulse transducer detection circuit 12
Measure signal；Display screen 5, for showing winch turn signal, close to pulse signal and analog signals.
In fig. 1 and 2, drawworks sensor detection circuit 11, comprising: frequency discrimination reflects to circuit 112；Frequency discrimination reflects to circuit
112, for distinguishing the rotating forward, reversion, several and reverse coil number of just turn-taking of drawworks sensor 2.Specifically, frequency discrimination reflects to circuit
112, for distinguishing the rotating forward, reversion, several and reverse coil number of just turn-taking of drawworks sensor 2.Such as: 2 turn of 1 circle of drawworks sensor is 48
A pulse.
In fig. 1 and 2, drawworks sensor detection circuit 11, further includes: drawworks sensor optocoupler detection circuit 111；It twists
The input terminal of vehicle sensor optocoupler detection circuit 111 is connect with drawworks sensor 2, drawworks sensor optocoupler detection circuit 111
Output end reflects with frequency discrimination and connect to the input terminal of circuit 112, and frequency discrimination, which reflects, to be connect to the output end of circuit 112 with display screen 5；Winch
Sensor optocoupler detection circuit 111 is reflected for protecting and triggering frequency discrimination to circuit 112.
In fig. 1 and 2, pulse transducer detection circuit 12, comprising: pulse transducer optocoupler detection circuit 121；Pulse
The input terminal of sensor optocoupler detection circuit 121 is connect with pulse transducer detection circuit 12, pulse transducer optocoupler detection electricity
The output end on road 121 is connect with display screen 5；Pulse transducer optocoupler detection circuit 121, for detecting close to pulse signal and
Protect junior's circuit of 121 output end of pulse transducer optocoupler detection circuit.Pulse transducer detection circuit 12, such as: Hall passes
Sensor.
In fig. 1 and 2, analog signals sensor detection circuit 13, comprising: bleeder circuit 131 and amplifying circuit
132；The input terminal of bleeder circuit 131 is connect with analog signals sensor detection circuit 13, the output end of bleeder circuit 131 with
The input terminal of amplifying circuit 132 connects, and the output end of amplifying circuit 132 is connect with display screen 5；Bleeder circuit 131 is used for mould
Analog quantity signal is converted to voltage signal；Amplifying circuit 132, for voltage signal to be amplified setting voltage value (such as: 0-
2.5V).Analog signals sensor 4, such as: flow sensor, voltage sensor, current sensor or pressure sensor.
In fig. 1 and 2, analog signals sensor detection circuit 13, further includes: follower；Amplifying circuit 132 it is defeated
The connection of the input terminal of outlet and follower, the output end of follower are connect with display screen 5.
In fig. 1 and 2, the output end of follower is connect with the input terminal of A/D converter circuit 7, A/D converter circuit 7 it is defeated
Outlet is connect with display screen 5；A/D converter circuit 7, for amplified voltage signal to be converted to digital quantity voltage signal.
In fig. 1 and 2, the output end of drawworks sensor 2, pulse transducer 3 and analog signals sensor 4, respectively
It is connect with the input terminal of controller 6；The output end of controller 6 is connect with display screen 5；Controller 6, for acquiring signal, and
Institute's signal is sent to display screen 5.Specifically, detection control circuit 1, further includes: controller 6；Drawworks sensor detection circuit
11, input terminal of the pulse transducer detection circuit 12 with analog signals sensor detection circuit 13 respectively at controller 6 connects；
The output end of controller 6 is connect with display screen 5；Controller 6, for acquiring winch turn signal, close to pulse signal and simulation
Signal is measured, and sends winch turn signal, close to pulse signal and analog signals to display screen 5.
In fig. 1 and 2, controller 6 can be the controllers such as single-chip microcontroller, computer or PLC, but the utility model
Controller be preferably single-chip microcontroller；Because the controllers such as PLC are generally more expensive, price generally it is thousands of to it is tens of thousands of it
Between, but the price of single-chip microcontroller is between several maos to several yuan, therefore the controller 6 of the utility model is preferably single-chip microcontroller.Such as:
Single-chip microcontroller C8051F121 or C8051F340.Single-chip microcontroller C8051F121 is a complete set that Silicon Labs company releases
At the microcontroller of monolithic composite signal system.Single-chip microcontroller C8051F121 has the 64 foot TQFP envelope of 32 number I/O pins
The single-chip microcontroller of dress, and the analog digital converter and a high-throughput 8051CPU of high-precision are combined, this makes single-chip microcontroller
C8051F121 becomes the ideal chose of the utility model.That is, the monolithic of the 6 model C8051F340 of controller of the utility model
Machine.
Meanwhile the utility model proposes a kind of sensor device for fast detecting, comprising: as above a kind of sensor quickly detects
Circuit.
In the utility model, the detection of pulse transducer 3 is known as numer signal, analog signals close to pulse signal
The analog signals that sensor 4 detects are standard 4-20mA signal transducer.The controller 6 of the utility model is with single-chip microcontroller
It is illustrated for C8051F340.
Specifically, drawworks sensor 3 is by signal isolation (that is, drawworks sensor light in the utility model Fig. 1 and 2
Coupling detection circuit 111), frequency discrimination reflects to be acquired backward to 112 frequency discrimination of circuit mirror, it can be determined that the direction of drawworks sensor rotation
With circle number；Numer sensor (that is, pulse transducer) is after signal isolation (that is, pulse transducer optocoupler detection circuit 121)
It is acquired, judges the umber of pulse of numer sensor sensing；Standard 4-20mA signal is first converted to voltage signal, then passes through AD
Conversion circuit 7 carries out A/D acquisition, and the voltage signal of acquisition is finally reconverted into current signal.Control circuit 1 is detected acquisition
To sensor signal shown by liquid crystal display (that is, display screen 5).
Fig. 3 is the circuit diagram of the drawworks sensor detection circuit of the utility model embodiment.As shown in figure 3, winch
Sensor 3 connects on drawworks sensor terminal, and 4 feet of drawworks sensor terminal are connect with power supply 5V-3(, that is, 5V), winch sensing
1 foot of device terminal is with ground GND-3(that is, ground) it connect, 2,3 feet of drawworks sensor terminal distinguish output signal A and signal B.It twists
The signal of vehicle sensor 3 is square-wave signal, and the signal A and signal B of drawworks sensor 3 pass through second resistance R2 and the first R1 respectively
Resistance is connect with the anode of the control terminal light emitting diode of optocoupler TLP521-2 respectively, the control terminal luminous two of optocoupler TLP521-2
The cathode of pole pipe with ground GND-3(that is, ground) connect, one end of the output end photoreceptor of optocoupler TLP521-2 respectively with 3.3V power supply
It reflects with frequency discrimination and is connected to 1 foot of chip ST288A, the other end of the output end photoreceptor of optocoupler TLP521-2 passes through third respectively
Resistance R3 and the 4th resistance R4 with ground GND-1(that is, ground) and frequency discrimination reflect and connect to 2 feet of chip ST288A and 4 feet.Frequency discrimination reflect to
3 feet of chip ST288A are the rotating forward of drawworks sensor 3, inversion output terminal, 3 feet and single-chip microcontroller that frequency discrimination reflects to chip ST288A
Input pin P2.2 connection, such as: frequency discrimination reflects to 3 feet of chip ST288A output high level to rotate forward, and frequency discrimination reflects to chip
The 3 feet output low level of ST288A is reversion.Frequency discrimination reflect to 6 feet of chip ST288A and 7 feet be respectively drawworks sensor 3 just
Turn-take the reverse coil number output end of several output ends and drawworks sensor 3, drawworks sensor 3 just turn-take several output ends and winch passes
The reverse coil number output end of sensor 3 is connect with single-chip microcontroller input pin P2.0 and input pin P2.1 respectively.
In Fig. 3, the signal A and signal B of drawworks sensor 3 drive optocoupler TLP521-2 on or off, through third electricity
Resistance R3 and the 4th resistance R4 is converted to the first input signal INB and the second input signal INA that frequency discrimination reflects to chip ST288A, reflects
Frequency reflects to chip ST288A through detection the first input signal INB and the second input signal INA, judges drawworks sensor rotation side
To, and positive and negative pulse signal is exported to single-chip microcontroller.Specifically, as drawworks sensor 3 signal A be high level (3.3V or
5V), it is connected with the optocoupler TLP521-2 of signal A connection, frequency discrimination reflects to chip ST288A by detecting the second input signal
INA, single-chip microcontroller input pin P2.0 detect the number of just turn-taking of drawworks sensor 3, and single-chip microcontroller input pin P2.2 detects that frequency reflects
High level is exported to 3 feet of chip ST288A, drawworks sensor 3 is to rotate forward.If the signal B of drawworks sensor 3 is high level
(3.3V or 5V) is connected with the optocoupler TLP521-2 of signal B connection, and frequency discrimination reflects to chip ST288A by detecting to input
Signal INB, single-chip microcontroller input pin P2.1 detect the reverse coil number of drawworks sensor 3, and single-chip microcontroller input pin P2.2 is detected
Frequency, which reflects, exports ground level to 3 feet of chip ST288A, and drawworks sensor 3 is reversion.
Fig. 4 is the circuit diagram of the pulse transducer detection circuit of the utility model embodiment.As shown in figure 4, pulse
Sensor 3 can be pump rush sensor or Hall sensor.Pulse transducer 3 is inserted on pulse transducer terminal, pulse sensing
1 foot (that is, the end A) of device terminal is with ground GND-0(that is, ground) it connect, 3 feet of pulse transducer terminal are connect with power supply 24V, pulse
2 feet (that is, the end B) of sensor terminal are by the 25th resistance R25 and another optocoupler TLP521-2(that is, pulse transducer light
Coupling detection circuit 121) the anode of control terminal light emitting diode connect the control terminal light emitting diode of another optocoupler TLP521-2
Cathode with ground GND-0(that is, ground) connect, one end of the output end photoreceptor of optocoupler TLP521-2 respectively with 3.3V power supply company
It connects, the other end of the output end photoreceptor of optocoupler TLP521-2 is connected by one end of the 26th resistance R26, the 26th electricity
Hinder R26 the other end with GND-1(that is, ground) connect, one end of the 26th resistance R26 also with the input I/O port of single-chip microcontroller
P2.3 connection.
In Fig. 4, the signal of pulse transducer 3 is level signal (e.g., pulse signal), and level signal passes through the 25th
Resistance R25, another optocoupler TLP521-2(are that is, pulse transducer optocoupler detection circuit 121) on or off, through the 26th electricity
Resistance R26 is converted to single-chip microcontroller low and high level signal that can be detected, is transferred to single-chip microcontroller.Specifically, such as pulse transducer end
2 feet (that is, the end the B) output of son is level, and another optocoupler TLP521-2 conducting, the input I/O port P2.3 interface of single-chip microcontroller detects
The level signal (that is, pulse signal) of pulse transducer 3.
Fig. 5 is the circuit diagram of the analog signals sensor detection circuit of the utility model embodiment.Such as Fig. 5 institute
Show, analog signals sensor 4 is inserted in analog signals sensor terminal, 2 feet and electricity of analog signals sensor terminal
Source+24V connection, 1 foot of analog signals sensor terminal pass sequentially through signal balancing potentiometer W3(signal balancing potentiometer W3
Zero input will be adjusted to 4mA), the 15th resistance R15 and the 16th resistance R16 with ground GND-0(that is, ground) it connect, third capacitor
C3 is attempted by the 16th two sides resistance R16, for filtering.
In Fig. 5, the dividing point of the 15th resistance R15 and the 16th resistance R16 are with downside operational amplifier LM258-2's
2 feet of the connection of 3 feet, downside operational amplifier LM258-2 pass through the 18th resistance R18, the full potentiometer W4(signal balancing current potential of tune
The input of device W3 maximum range will adjust and arrive 20mA) it is connect with 6 feet of upside operational amplifier, downside operational amplifier LM258-2
2 feet by the 18th resistance R18, adjust full potentiometer W4(signal balancing potentiometer W3 maximum range input that will adjust to arrive 20mA)
It is connect with the 17th resistance R17 with 7 feet of upside operational amplifier, 5 feet and ground GND-0(of upside operational amplifier are that is, ground)
Connection；2 feet of downside operational amplifier LM258-2 also pass through the 1 of the 19th resistance R19 and downside operational amplifier LM258-2
Foot connection, 1 foot of downside operational amplifier LM258-2 also pass through the 21st resistance R21 and the 22nd resistance R22 and ground
GND-3(is that is, ground) it connects, 4 feet of downside operational amplifier LM258-2 are connect with power supply -5V；8 feet of upside operational amplifier
It is connect with power supply 5V-3(, that is, 5V).
In Fig. 5, the connecting pin of the 21st resistance R21 and the 22nd resistance R22 and 3 feet of follower OP07-2 connect
It connects, 7 feet of upside operational amplifier are connect by the 20th resistance R20 with 2 feet of follower OP07-2, follower OP07-2's
1 foot, 5 feet and 7 feet are hanging, and 8 feet of follower OP07-2 are connect with power supply 5V-3(, that is, 5V), and 6 feet of follower OP07-2 pass through
23rd resistance R23 and the 20th resistance R20 is connected to 7 feet of upside operational amplifier；6 feet of follower OP07-2 are also logical
The 24th resistance R24 is crossed with the A/D chip AD5515-2(of A/D converter circuit 7 that is, the end AIN1) it connect.24th resistance R24
Between the A/D chip AD5515-2 of A/D converter circuit 7 also there is AD conversion to protect circuit, AD conversion protects circuit, comprising: the
Four capacitor C4 and clamp diode (3.6V), the 4th capacitor C4 and clamp diode (3.6V) connect together, the 4th capacitor C4
With one end of clamp diode (3.6V) with ground GND-3(that is, ground) it connect；4th capacitor C4 and clamp diode (3.6V) it is another
One end is connect with the 24th resistance R24 and A/D chip AD5515-2 respectively.
In Fig. 5, by 24v power supply, standard two-wire system 4-20mA signal returns analog signals sensor 4, by the
15 resistance R15 current limlitings (partial pressure current limliting), the 16th R16 electric resistance partial pressure generates 0-2V voltage, by amplifying circuit 132(Fig. 2)
It is amplified to 0-2.5V, the clamp diode overvoltage protection through follower OP07-2 and 3.6v, the electricity of the 24th resistance R24 and the 4th
Holding C4 resistance capacitor filtering send the acquisition of AD5512-2 chip to complete the acquisition of 4-20mA data.Wherein, signal balancing potentiometer W3(tune
Save 4mA) by changing branch pressure voltage；Amplification factor is adjusted to full potentiometer W4(full scale and adjusts, and adjusts and arrives 20mA).
In the present invention, for the ease of observation, display screen 5 selects large-screen lc screen.And current potential can be passed through
Device adjusts liquid crystal display brightness, has not only facilitated observation, but also can guarantee that the power consumption of instrument is not too large.For convenience of carrying, equipment is adopted
With portable portable cabinet, overall volume is small, light-weight.
It, can be in the case where instrument shelter be not powered on, before sensor installation, to all due to taking the utility model
Sensor diagnosed, if it is such as faulty there are failure, solved in advance, it is ensured that the sensor of installation can be just
Often work just finds that there are problems, re-start the trouble of dismounting and change after eliminating installation.During well logging, sensor
It acquires signal when something goes wrong, in sensor installation end, sensor can directly be connect in the case where not removal sensor
It is tested on diagnostic device, whether failure quickly positions quick diagnosis sensor in the case where no sensor spare part
Fault point, reduction stop boring the repair time, the working efficiency at the scene of improving.
Embodiment described above is only to express the embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Therefore it cannot be interpreted as that a limitation on the scope of the patent of the present invention.It should be pointed out that the ordinary skill people of this field
For member, without departing from the concept of the premise utility, several deformations, same replacement can also be made, improved etc., these
Belong to the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of sensor quick detection circuit characterized by comprising
It detects control circuit (1)；
It is described detection control circuit (1) input terminal, respectively with drawworks sensor (2), pulse transducer (3) and analog signals
Sensor (4) connection；
The output end of detection control circuit (1) is connect with display screen (5)；
The detection control circuit (1) passes for acquiring the drawworks sensor (2), pulse transducer (3) and analog signals
The signal of sensor (4) output, and the signal is sent to the display screen (5)；
The display screen (5), for showing the signal.
2. a kind of sensor quick detection circuit according to claim 1, it is characterised in that:
The detection control circuit (1), comprising: drawworks sensor detection circuit (11), pulse transducer detection circuit (12) and
Analog signals sensor detection circuit (13)；
The drawworks sensor detection circuit (11), the pulse transducer detection circuit (12) and analog signals sensing
The output end of device detection circuit (13) is connect with the display screen (5)；
The drawworks sensor detection circuit (11), the pulse transducer detection circuit (12) and analog signals sensing
Device detection circuit (13), for measuring the winch turn signal of the drawworks sensor detection circuit (11), the pulse respectively
Sensor detection circuit (12) is believed close to the analog quantity of pulse signal and the analog signals sensor detection circuit (13)
Number；
The display screen (5), for showing the winch turn signal, close to pulse signal and analog signals.
3. a kind of sensor quick detection circuit according to claim 2, it is characterised in that:
The drawworks sensor detection circuit (11), comprising: frequency discrimination reflects to circuit (112)；
The frequency discrimination reflects to circuit (112), for distinguishing the rotating forward, reversion, just turn-take number and reversion of the drawworks sensor (2)
Enclose number.
4. a kind of sensor quick detection circuit according to claim 3, it is characterised in that:
The drawworks sensor detection circuit (11), further includes: drawworks sensor optocoupler detection circuit (111)；
The input terminal of the drawworks sensor optocoupler detection circuit (111) is connect with the drawworks sensor (2), and the winch passes
The output end of sensor optocoupler detection circuit (111) reflects with the frequency discrimination and connect to the input terminal of circuit (112), the frequency discrimination reflect to
The output end of circuit (112) is connect with the display screen (5)；
The drawworks sensor optocoupler detection circuit (111) is reflected for protecting and triggering the frequency discrimination to circuit (112).
5. a kind of sensor quick detection circuit according to claim 2, it is characterised in that:
Pulse transducer detection circuit (12), comprising: pulse transducer optocoupler detection circuit (121)；
The input terminal of the pulse transducer optocoupler detection circuit (121) is connect with the pulse transducer detection circuit (12),
The output end of the pulse transducer optocoupler detection circuit (121) is connect with the display screen (5)；
The pulse transducer optocoupler detection circuit (121) is described close to pulse signal and the protection pulse for detecting
Junior's circuit of sensor optocoupler detection circuit (121) output end.
6. a kind of sensor quick detection circuit according to claim 2, it is characterised in that:
The analog signals sensor detection circuit (13), comprising: bleeder circuit (131) and amplifying circuit (132)；
The input terminal of the bleeder circuit (131) is connect with the analog signals sensor detection circuit (13), the partial pressure
The output end of circuit (131) is connect with the input terminal of the amplifying circuit (132), the output end of the amplifying circuit (132) with
Display screen (5) connection；
The bleeder circuit (131), for the analog signals to be converted to voltage signal；
The amplifying circuit (132), for the voltage signal to be amplified setting voltage value.
7. a kind of sensor quick detection circuit according to claim 6, it is characterised in that:
The analog signals sensor detection circuit (13), further includes: follower；
The output end of the amplifying circuit (132) is connect with the input terminal of the follower, the output end of the follower and institute
State display screen (5) connection.
8. a kind of sensor quick detection circuit according to claim 7, it is characterised in that:
The output end of the follower is connect with the input terminal of A/D converter circuit (7), the output end of the A/D converter circuit (7) with
Display screen (5) connection；
The A/D converter circuit (7), for the amplified voltage signal to be converted to digital quantity voltage signal.
9. any one of -8 a kind of sensor quick detection circuit according to claim 1, it is characterised in that:
The drawworks sensor (2), pulse transducer (3) and analog signals sensor (4) output end, respectively with controller
(6) input terminal connection；
The output end of the controller (6) is connect with the display screen (5)；
The controller (6) for acquiring the signal, and sends institute's signal to the display screen (5).
10. a kind of sensor device for fast detecting characterized by comprising
A kind of sensor quick detection circuit as described in claim any one of 1-9.
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| CN201822238255.8U CN209166489U (en) | 2018-12-28 | 2018-12-28 | A kind of sensor quick detection circuit and the detection device using it |
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| CN201822238255.8U CN209166489U (en) | 2018-12-28 | 2018-12-28 | A kind of sensor quick detection circuit and the detection device using it |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112379174A (en) * | 2020-11-30 | 2021-02-19 | 贵州航天风华实业有限公司 | Circuit for detecting resistance and drain voltage of same-line |
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2018
- 2018-12-28 CN CN201822238255.8U patent/CN209166489U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112379174A (en) * | 2020-11-30 | 2021-02-19 | 贵州航天风华实业有限公司 | Circuit for detecting resistance and drain voltage of same-line |
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