CN209067180U - Intelligent Selection bill member - Google Patents
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- CN209067180U CN209067180U CN201821549884.6U CN201821549884U CN209067180U CN 209067180 U CN209067180 U CN 209067180U CN 201821549884 U CN201821549884 U CN 201821549884U CN 209067180 U CN209067180 U CN 209067180U
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Abstract
A kind of Intelligent Selection bill member of the utility model, including MCU processor, cascade Mach-Zehnder interferometer circuit, order amplification and rectification circuit, power circuit, control command driving circuit, ignition drive circuit, initial firing current detection circuit and DC-DC circuit, ground control command carries out order transmission to cascade Intelligent Selection bill member unit by cable, MCU processor is given after the processing of order amplification and rectification circuit, MCU processor controls cascade Mach-Zehnder interferometer circuit and ignition drive circuit according to command context, selectively the igniter of detonator can be connected to cable conductor by the ignition drive circuit of the either next stage of the same level according to order, the quick-fried corresponding perforating gun of point, realize that sub-clustering is classified perforation；To carry out publishing ignition to the corresponding detonator of order, without being ignited step by step by cascade Intelligent Selection bill member；It can not only realize remote testing, the quick-fried detonator of point, but also compact-sized, install convenient, wiring are simple, reliable in action, it is practical.
Description
Technical field
The utility model relates to the device of cable classification perforation, specially Intelligent Selection bill member are realized in petroleum neck city.
Background technique
Cable classification perforation is suitable for the perforation exploitation that oil/gas well is especially big well section horizontal well, is realized using cable multistage
It goes into the well for rifle string 1 time, layering detonation perforating gun, completes gun perforation process step by step.The main method that state's internal classification perforation is realized at present has:
First, it is disclosed " based on hydraulic conversion device if Liu Zhengyan et al. is interim in " logging technique " volume 36 the 1st in 2015
Cable is classified perforating technology "；By using hydraulic conversion device, after the detonation of most junior's rifle, using hydraulic conversion device by
Grade realizes the connection detonation of higher level's perforating gun, completes the purpose of classification perforation.
Second, if Zhao Chunhui is interim in " oil-gas field surface engineering " volume 29 the 10th in 2010, disclosed " cable is multistage
Controllable type detonation perforating technology "；By using pressure switch apparatus, control the connecting and disconnecting of ignition channel, single line join rifle, by
Grade detonation, it can be achieved that multistage controllable perforation function.
The shortcomings that both methods is to detonate step by step, indispensable, if there have a rifle to put not successfully to be quick-fried, remaining
Perforating gun just can not ignition and detonation, need will instrument string propose floor treatment after could go into the well again and continue perforating job, in this way
The workload that undoubtedly will increase perforating job, more substantially reduces working efficiency, while increasing construction operation cost.
Utility model content
For the prior art in cable classification perforating job, existing perforating gun string must detonate indispensable step by step
Problem, the utility model provide a kind of Intelligent Selection bill member, can complete under the control of ground installation at computer operation end
The control to detonator is realized on end, can independently be lighted a fire to each perforating gun respectively, and successively different layers position is carried out in well
Perforation improves construction efficiency to reduce the workload of perforating job team, reduces operating cost, utmostly meets oil gas field
The demand of engineering separate stratum fracfturing.
The utility model is to be achieved through the following technical solutions:
Intelligent Selection bill member, including MCU processor, cascade Mach-Zehnder interferometer circuit, order amplification and rectification circuit, power circuit, control
Order driving circuit, ignition drive circuit, initial firing current detection circuit and DC-DC circuit processed；
The DC voltage of cable cable end is carried out decompression conversion and filtered by the power circuit input terminal connecting cable
VDD is exported to power supply, the output end of power circuit connects DC-DC circuit, and DC-DC circuit generates required for all circuits at least
Two low-tension supplies VCC and VEE；
The order amplification and rectification circuit input terminal connecting cable, amplifies the ground order that cable is sent whole
Shape, output termination MCU processor；
The MCU processor bind command amplification and rectification circuit receives ground order；The connection control of MCU processor output end
Order driving circuit processed generates corresponding control command according to ground order；
The control command driving circuit output end is separately connected cascade Mach-Zehnder interferometer circuit and ignition drive circuit, transmission pair
The control command answered；Control command driving circuit output end be also connected with cable send to the ground MCU processor answer signal and
Initial firing current；
The cascade Mach-Zehnder interferometer circuit is used to complete cable and this unit according to control command or the selection of bottom-ranked unit connects
Movement is connect, input terminal is separately connected output and the cable of this unit of control command driving circuit, and output end connects bottom-ranked unit
Cable input terminal；
The ignition drive circuit output termination detonator, it is quick-fried for controlling detonator point；
The initial firing current detection circuit input terminal connects ignition drive circuit, size of current when for detecting igniting；
Initial firing current detection circuit output end connects MCU processor, transmits initial firing current.
Preferably, MCU processor uses PIC24HJ32GP302 single-chip microcontroller.
Further, MCU processor by model PIC24HJ32GP302 single-chip microcontroller U5 and its clock circuit, reset circuit
It constitutes；
Clock circuit includes crystal oscillator Y1 and capacitor C15, C16；One end of crystal oscillator Y1 connects single-chip microcontroller U5
12 terminals, and be grounded through capacitor C15；13 terminals of the other end connection single-chip microcontroller U5 of crystal oscillator Y1, and through capacitor C16
Ground connection；
Reset circuit includes resistance R14, resistance R32 and capacitor C17；The reseting terminal of single-chip microcontroller U5 is successively through resistance R32
Low-tension supply VCC is connected with resistance R14；One end of capacitor C17 is grounded, and the other end is connected between resistance R32 and resistance R14；
The output end of the 27 terminal bind command amplification and rectification circuits of single-chip microcontroller U5,28 terminal connection point fire current detecting electricity
The output end on road, 11,14,15,18,19 and 20 terminals are separately connected the input of control command driving circuit.
Further, control command driving circuit include the chip U6 and R15, R16 of model MC14504, R17, R18,
R19, C21 and C22；
3,5,7,9,11,14 input terminals of chip U6 meet 11,14,15,18,19,20 terminals of single-chip microcontroller U5, U6 respectively
2,4,6,10 output ends connect with ignition drive circuit, 15 terminals are connected to cascade Mach-Zehnder interferometer circuit.
Preferably, power circuit includes diode D1, D3, D4, resistance R1, R2, R3, R4, capacitor C1, C2, C3, C4, C5,
The integrated circuit U1 of C6, inductance L1 and model MAX5090；
13 terminals of integrated circuit U1 and the connection of 9 terminals, 4 terminals connect through 13 terminal of resistance R2 connection, 8 terminals through resistance R4
Ground, 8 terminals export VDD through resistance R3 connection power supply；
The anode of diode D1 connects cable, 13 terminals of the cathode through circuit R1 connection integrated circuit U1；The sun of diode D3
Pole ground connection, cathode connect 13 terminals of integrated circuit U1, and capacitor C1 and capacitor C2 are connected in parallel on the both ends of diode D3；Diode D4
Plus earth, cathode connect integrated circuit U1 1 terminal；
The one end capacitor C3 ground connection, the other end connect 4 terminals of integrated circuit U1；One end of capacitor C4 is grounded, and the other end connects
Connect 5 terminals of integrated circuit U1；One end of capacitor C5 is grounded, and the other end connects 7 terminals of integrated circuit U1；The both ends of capacitor C6
It is separately connected 1 terminal and 3 terminals of integrated circuit U1；
The one end L1 is connected with 1 terminal of integrated circuit U1, the input terminal connection of the other end and DC-DC circuit.
Preferably, DC-DC circuit include the chip U2 of model TPS76901, model TPS60403 chip U3 and
R5,R6,C8,C9,C10,C11；
The 2 terminals connection power supply of chip U2 exports VDD and is grounded through capacitor C8, and 5 terminals export low-tension supply VCC and through electricity
Hold C9 ground connection, 2 terminals and 3 terminal grounds, 4 terminals are grounded through 5 terminal of resistance R5 connection, 4 terminals through resistance R6；
2 terminals of chip U3 are connect with low-tension supply VCC, and 1 terminal exports VEE and is grounded through capacitor C11；5 terminals and 3 ends
Son is connected through capacitor C10,4 terminal grounds.
Preferably, order amplification and rectification circuit include the first amplifier U4A and the second amplifier U4B and C12, C13, C14,
R7, R8, R9, R10, R11, R12 and R13；
One end of capacitor C12 is connected with cable, and the other end is connected to the positive of the first amplifier U4A by resistance R8 and inputs
End, the negative input of the first amplifier U4A is grounded through resistance R9, and the negative input of the first amplifier U4A is through resistance R10 connection the
The output end of one amplifier U4A；Positive input of the output end of first amplifier U4A through resistance R11 the second amplifier of connection U4B；Electricity
Hold and is grounded between C12 and resistance R8 through resistance R7；
A power input of first amplifier U4A connects low-tension supply VCC and is grounded through capacitor C13, another power supply
Input terminal connects low-tension supply VEE and is grounded through capacitor C14；
The negative input of second amplifier U4B is connect with the output end of the second amplifier U4B, and the forward direction of the second amplifier U4B is defeated
Enter end through resistance R12 connection low-tension supply VCC；The output end of second amplifier U4B is connect by resistance R13 with MCU processor.
Preferably, cascade Mach-Zehnder interferometer circuit is made of metal-oxide-semiconductor Q1, triode Q3, diode D5 and resistance R22, R23, R24；
The base stage of triode Q3 is connected by resistance R24 with control command driving circuit, and emitter ground connection, collector is through electricity
Hinder the grid of R23 connection metal-oxide-semiconductor Q1；
The emitter of the anode connecting triode Q3 of diode D5, the collector of cathode connected to the transistor Q3；
The source electrode connecting cable of metal-oxide-semiconductor Q1 inputs, and source electrode drains through resistance R22 connection grid as the cascade of control circuit
Output end.
Preferably, ignition drive circuit is made of a pair of of metal-oxide-semiconductor Q4, a pair of metal-oxide-semiconductor Q5 and R30, C28, R29；
Metal-oxide-semiconductor Q4A, metal-oxide-semiconductor Q4B, metal-oxide-semiconductor Q5A and metal-oxide-semiconductor Q5B grid be separately connected control command driving circuit
Output end；
The source electrode connection power supply of metal-oxide-semiconductor Q4B exports VDD, the source electrode of drain electrode connection metal-oxide-semiconductor Q4A；Metal-oxide-semiconductor Q4B drain electrode conduct
Ignition drive circuit exports all the way；
The source electrode connection power supply of metal-oxide-semiconductor Q5B exports VDD, the source electrode of drain electrode connection metal-oxide-semiconductor Q5A；Metal-oxide-semiconductor Q5B drain electrode conduct
Ignition drive circuit another output；
Metal-oxide-semiconductor Q4A connects rear tie points thermoelectricity current detection circuit with the drain electrode of metal-oxide-semiconductor Q5A, and is grounded through resistance R29.
Preferably, initial firing current detection circuit includes amplifier U7 and R25, R26, R27, R28, C25, C26, C27；
A power input of amplifier U7 connects low-tension supply VCC and is grounded through capacitor C26, another power input
It connects low-tension supply VEE and is grounded through capacitor C25；
The positive input of amplifier U7 is connect by resistance R28 with ignition drive circuit, the positive input warp of amplifier U7
Capacitor C27, resistance R27 connect the output end of amplifier U7 with resistance R26；The negative input of amplifier U7 be connected to resistance R27 and
Between resistance R26, capacitor C27 and resistance R27 indirectly；The output end of amplifier U7 is connected to MCU processing by resistance R25
Device.
Compared with prior art, the utility model has technical effect beneficial below:
The utility model Intelligent Selection bill member, ground control command by cable to cascade Intelligent Selection bill member unit into
Line command transmission gives MCU processor after the processing of order amplification and rectification circuit, and MCU processor is according to command context controlled stage
Join control circuit and ignition drive circuit, can selectively pass through the point fireflood of the either next stage of the same level according to order
The igniter of detonator is connected to by dynamic circuit with cable conductor, puts quick-fried corresponding perforating gun, realizes that sub-clustering is classified perforation；To pass through
Cascade Intelligent Selection bill member, to ordering corresponding detonator to carry out publishing ignition, without being ignited step by step；It can not only realize remote
Quick-fried detonator is put in journey test, and compact-sized, and install convenient, wiring is simple, reliable in action, practical.
Further, MCU processor uses damascene structures, and edition upgrading is convenient；Conventional liq is able to cooperate to refuse to pass magnetoelectricity
Detonator and big resistance detonator use.
Detailed description of the invention
Fig. 1 is the electric functional block diagram of Intelligent Selection bill member described in the example of the utility model.
Fig. 2 is power circuit schematic diagram described in the example of the utility model.
Fig. 3 is DC-DC circuit schematic diagram described in the example of the utility model.
Fig. 4 is MCU processor circuit diagram described in the example of the utility model.
Fig. 5 is order amplification and rectification circuit schematic diagram described in the example of the utility model.
Fig. 6 is control command drive circuit schematic diagram described in the example of the utility model.
Fig. 7 is cascade Mach-Zehnder interferometer circuit diagram described in the example of the utility model.
Fig. 8 is ignition drive circuit schematic diagram described in the example of the utility model.
Fig. 9 is initial firing current detection circuit schematic diagram described in the example of the utility model.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, it is described be the explanation to the utility model and
It is not to limit.
The utility model Intelligent Selection bill member is mounted on every level-one perforating gun bottom, can be successively according to addressing to perforating gun
String is lighted a fire, and is the small embedded systems that MCU processor is constituted in Intelligent Selection bill member, according to the instruction of ground installation,
After this element address is chosen, connect cables on the ignition circuit of its lower part or the detonator beside it.Intelligent Selection bill
Member as shown in Figure 1, its circuit is made of following components: MCU processor, cascade Mach-Zehnder interferometer circuit, order amplification and rectification circuit,
Power circuit, control command driving circuit, ignition drive circuit, initial firing current detection circuit, DC-DC circuit.
Wherein, the DC voltage of cable cable end is carried out decompression conversion and obtains power supply output VDD after filtering by power circuit,
DC-DC circuit is given in its output, generates low-tension supply VCC and VEE required for all circuits；
It publishes unit and both-way communication is carried out by MCU processor and ground installation, ground order is received, according to ground order
Cascade Mach-Zehnder interferometer circuit and ignition drive circuit are controlled, sends the running parameters such as answer signal and initial firing current to the ground；
Order amplification and rectification circuit is responsible for amplifying the ground order that cable is sent shaping, input termination cable,
Output termination MCU processor；Control command driving circuit is MCU processor after receiving ground order, generates corresponding control
Order is sent to other parts circuit by control command driving circuit, input termination MCU processor, output respectively with point
Fiery driving circuit, cascade Mach-Zehnder interferometer circuit are connected with cable；Cascade Mach-Zehnder interferometer circuit completes cable and this unit or junior publishes list
The selection connecting moves of member, the output of its input termination control signal driving circuit and the cable of this unit, output end connection
The cable input terminal of bottom-ranked unit；
Ignition drive circuit completion detonator point is quick-fried, and input connects control command driving circuit, and F1, F2 of output end output connect
Detonator；Size of current when the detection igniting of initial firing current detection circuit helps ground to be confirmed whether successfully to put quick-fried, input contact fire
Driving circuit, output connect MCU processor.
After the member of Intelligent Selection bill shown in the utility model, cable is classified perforation can be using multi-section multi-layer combination even rifle
The mode once gone into the well completes layer 2-4 perforating job during once going into the well, and greatly improves the construction of squad's perforation
Timeliness, reduce the labor intensity of squad personnel, at the same reduce consumption oil plant, in terms of have compared with conventional perforation
Apparent advantage.Output control signal is controlled by software on ground, this Intelligent Selection bill member is executed according to instruction, performance
Stablize, is more convenient, is easier to operate to compared with overseas equipment in operation at the scene, it is with a wide range of applications.Chang Qing division department is quiet
Side project management department has carried out is tested using the field popularization application of the multi-stage ignition system of Intelligent Selection bill member.Test divides former and later two
Stage: promoting and applying multi-stage ignition system in straight inclined shaft respectively, forms straight inclined shaft multi-stage perforator technology, improves individual well and repeatedly penetrates
Hole operation timeliness, the success rate for examining multi-stage ignition system.Total the field application of 17 mouthfuls of wells, well time Information Statistics difference
As shown in one table two of table.
Table one
Table two
Intelligent Selection hair cell operation input voltage range described in the utility model is wider, but should be limited under normal circumstances
60V is hereinafter, rated operational voltage is 35V.Just enter normal mode of operation after power supply, wait the transmitting order to lower levels of ground controller.
The order that ground control issues carries out shaping, filtering, conversion by order amplification and rectification circuit, then by MCU processor circuit
Decoding is received, MCU processor circuit passes through the order received and further controls ignition drive circuit, cascade Mach-Zehnder interferometer circuit.
The order that Intelligent Selection bill member described in the utility model receives includes: addressing order, cascade order, test life
Order and ignition order.Addressing order can assign a fixed address according to the sequence of connection to every grade of unit, to make every
Grade unit has determining ID number, and then can publish unit to every level-one by ID identification and ID verifying and effectively be controlled
System.The same level publish unit receive addressing order after, just enter starting state, the control command for receiving corresponding ID can be continued,
After receiving ignition order, MCU processor can control ignition drive circuit and complete boosting and constant power output, draw to reach
The purpose of quick-fried detonator；After receiving cascade order, the same level publishes unit and exits starting state, into dormant state, no longer connects
Receive the control command that ground controller issues.The same level is published after unit enters dormant state, can be started by control circuit next
Grade publishes unit, and next stage publishes unit and receives addressing order ... and so on again, can complete the multistage for publishing unit
Cascade function and ignition function.
The utility model Intelligent Selection bill member, is a single-chip microcontroller mini system, and MCU processor uses PIC high-performance monolithic
Machine, PIC24HJ32GP302, such as Fig. 4.
MCU processor is made of single-chip microcontroller U5 and its clock circuit, reset circuit, and clock circuit includes crystal oscillator Y1
With capacitor C15, C16；The reset circuit of R14, R32 and C17 composition single-chip microcontroller.Wherein shaping is amplified in the 27 terminal bind commands of U5
The output of circuit, the output of 28 terminal connection point thermoelectricity current detection circuits, 11,14,15,18,19,20 terminals connect control command
The input of driving circuit.Clock circuit includes crystal oscillator Y1 and capacitor C15, C16；One end of crystal oscillator Y1 connects single
12 terminals of piece machine U5, and be grounded through capacitor C15；13 terminals of the other end connection single-chip microcontroller U5 of crystal oscillator Y1, and pass through
Capacitor C16 ground connection；
Reset circuit includes resistance R14, resistance R32 and capacitor C17；The reseting terminal of single-chip microcontroller U5 is successively through resistance R32
Low-tension supply VCC is connected with resistance R14；One end of capacitor C17 is grounded, and the other end is connected between resistance R32 and resistance R14.
As shown in Fig. 2, power circuit includes diode D1, D3, D4, resistance R1, R2, R3, R4, capacitor C1, C2, C3, C4,
The integrated circuit U1 of C5, C6, inductance L1 and model MAX5090, wherein the anode of D1 connects cable, and the one end L1 is connected with U1, separately
The connection of the input terminal of one end and DC-DC circuit.
13 terminals of U1 and the connection of 9 terminals, 4 terminals are grounded through 13 terminal of resistance R2 connection, 8 terminals through resistance R4,8 terminals
VDD is exported through resistance R3 connection power supply；
The anode of diode D1 connects cable, 13 terminals of the cathode through circuit R1 connection U1；The plus earth of diode D3, yin
Pole connects 13 terminals of U1, and capacitor C1 and capacitor C2 are connected in parallel on the both ends of diode D3；The plus earth of diode D4, cathode connect
Connect 1 terminal of U1；
The one end capacitor C3 ground connection, the other end connect 4 terminals of U1；One end of capacitor C4 is grounded, and the other end connects 5 ends of U1
Son；One end of capacitor C5 is grounded, and the other end connects 7 terminals of U1；The both ends of capacitor C6 are separately connected 1 terminal and 3 terminals of U1；
The one end L1 is connected with 1 terminal of U1, the input terminal connection of the other end and DC-DC circuit.
As shown in figure 3, DC-DC circuit includes the chip U3 of the chip U2 of model TPS76901, model TPS60403
With R5, R6, C8, C9, C10, C11, the 2 termination power circuit output VDD of U2,5 ends export VCC, respectively with the electricity of corresponding device
Source terminal connects, and 2 ends of U3 are connect with VCC, and 1 end exports VEE, provides negative supply needed for corresponding device.
The 2 terminals connection power supply of U2 exports VDD and is grounded through capacitor C8, and 5 terminals export low-tension supply VCC and through capacitor C9
Ground connection, 2 terminals and 3 terminal grounds, 4 terminals are grounded through 5 terminal of resistance R5 connection, 4 terminals through resistance R6；
2 terminals of U3 are connect with low-tension supply VCC, and 1 terminal exports VEE and is grounded through capacitor C11；5 terminals and 3 terminals warp
Capacitor C10 connection, 4 terminal grounds.
As shown in figure 5, order amplification and rectification circuit is by U4, C12, C13, C14, R7, R8, R9, R10, R11, R12, R13 group
At wherein U4 includes the first amplifier U4A and the second amplifier U4B；One end of C12 is connected with cable, and the other end is connected by resistance R8
It is connected to the input terminal of U4, the output end 7 of U4 is connected by resistance R13 with 27 terminals of MCU processor.
One end of capacitor C12 is connected with cable, and the other end is connected to the positive of the first amplifier U4A by resistance R8 and inputs
End, the negative input of the first amplifier U4A is grounded through resistance R9, and the negative input of the first amplifier U4A is through resistance R10 connection the
The output end of one amplifier U4A；Positive input of the output end of first amplifier U4A through resistance R11 the second amplifier of connection U4B；Electricity
Hold and is grounded between C12 and resistance R8 through resistance R7；
A power input of first amplifier U4A connects low-tension supply VCC and is grounded through capacitor C13, another power supply
Input terminal connects low-tension supply VEE and is grounded through capacitor C14；
The negative input of second amplifier U4B is connect with the output end of the second amplifier U4B, and the forward direction of the second amplifier U4B is defeated
Enter end through resistance R12 connection low-tension supply VCC；The output end of second amplifier U4B is connect by resistance R13 with MCU processor.
As shown in fig. 6, control command driving circuit include chip U6, R15 of model MC14504, R16, R17, R18,
R19, C21, C22, wherein 3,5,7,9,11,14 input terminals of U6 connect 11,14,15,18,19,20 ends of MCU processor respectively
2,4,6,10 output ends of son, U6 connect with ignition drive circuit, and 15 terminals are connected to one end of R24 in cascade Mach-Zehnder interferometer circuit.
As shown in fig. 7, cascade Mach-Zehnder interferometer circuit is total by metal-oxide-semiconductor Q1, triode Q3, diode D5 and resistance R22, R23, R24
With composition, wherein 1 end of Q3 is connected by resistance R24 with control command driving circuit, and 3 terminals of Q1 connect cable input, 4 terminals
For cascaded-output D+.
The base stage of triode Q3 is connected by resistance R24 with control command driving circuit, and emitter ground connection, collector is through electricity
Hinder the grid of R23 connection metal-oxide-semiconductor Q1；
The emitter of the anode connecting triode Q3 of diode D5, the collector of cathode connected to the transistor Q3；
The source electrode connecting cable of metal-oxide-semiconductor Q1 inputs, and source electrode drains through resistance R22 connection grid as the cascade of control circuit
Output end.
As shown in figure 8, ignition drive circuit is made of a pair of of metal-oxide-semiconductor Q4, Q5 and R30, C28, R29, metal-oxide-semiconductor Q4A, MOS
The grid of pipe Q4B, metal-oxide-semiconductor Q5A and metal-oxide-semiconductor Q5B are separately connected the 2 of the output end U6 of control command driving circuit, 4,6,10 points
It does not connect.
Metal-oxide-semiconductor Q4A, metal-oxide-semiconductor Q4B, metal-oxide-semiconductor Q5A and metal-oxide-semiconductor Q5B grid be separately connected control command driving circuit
Output end；
The source electrode connection power supply of metal-oxide-semiconductor Q4B exports VDD, the source electrode of drain electrode connection metal-oxide-semiconductor Q4A；Metal-oxide-semiconductor Q4B drain electrode conduct
Ignition drive circuit exports all the way；
The source electrode connection power supply of metal-oxide-semiconductor Q5B exports VDD, the source electrode of drain electrode connection metal-oxide-semiconductor Q5A；Metal-oxide-semiconductor Q5B drain electrode conduct
Ignition drive circuit another output；
Metal-oxide-semiconductor Q4A connects rear tie points thermoelectricity current detection circuit with the drain electrode of metal-oxide-semiconductor Q5A, and is grounded through resistance R29.
As shown in figure 9, initial firing current detection circuit includes U7 and R25, R26, R27, R28, C25, C26, C27, U7's is defeated
Enter end 3 to connect by resistance R28 with ignition drive circuit, 1 end of output of U7 is connected to MCU processor U5's by resistance R25
28 terminals.
A power input of amplifier U7 connects low-tension supply VCC and is grounded through capacitor C26, another power input
It connects low-tension supply VEE and is grounded through capacitor C25；
The positive input of amplifier U7 is connect by resistance R28 with ignition drive circuit, the positive input warp of amplifier U7
Capacitor C27, resistance R27 connect the output end of amplifier U7 with resistance R26；The negative input of amplifier U7 be connected to resistance R27 and
Between resistance R26, capacitor C27 and resistance R27 indirectly；The output end of amplifier U7 is connected to MCU processing by resistance R25
Device.
Claims (10)
1. Intelligent Selection bill member, which is characterized in that including MCU processor, cascade Mach-Zehnder interferometer circuit, order amplification and rectification circuit, electricity
Source circuit, control command driving circuit, ignition drive circuit, initial firing current detection circuit and DC-DC circuit；
The DC voltage of cable cable end is carried out decompression conversion and filtered to obtain electricity by the power circuit input terminal connecting cable
Source exports VDD, and the output end of power circuit connects DC-DC circuit, and DC-DC circuit generates at least two required for all circuits
Low-tension supply VCC and VEE；
The order amplification and rectification circuit input terminal connecting cable, amplifies shaping to the ground order that cable is sent, defeated
MCU processor is terminated out；
The MCU processor bind command amplification and rectification circuit receives ground order；MCU processor output end connection control life
Driving circuit is enabled, corresponding control command is generated according to ground order；
The control command driving circuit output end is separately connected cascade Mach-Zehnder interferometer circuit and ignition drive circuit, sends corresponding
Control command；Control command driving circuit output end is also connected with answer signal and the igniting that cable sends MCU processor to the ground
Electric current；
The cascade Mach-Zehnder interferometer circuit is used for according to control command, and completion cable connect dynamic with the selection of this unit or bottom-ranked unit
Make, input terminal is separately connected output and the cable of this unit of control command driving circuit, and output end connects the electricity of bottom-ranked unit
Cable input terminal；
The ignition drive circuit output termination detonator, it is quick-fried for controlling detonator point；
The initial firing current detection circuit input terminal connects ignition drive circuit, size of current when for detecting igniting；Igniting
Current detection circuit output end connects MCU processor, transmits initial firing current.
2. Intelligent Selection bill member according to claim 1, which is characterized in that MCU processor uses PIC24HJ32GP302
Single-chip microcontroller.
3. Intelligent Selection bill member according to claim 2, which is characterized in that MCU processor is by model
Single-chip microcontroller U5 and its clock circuit, the reset circuit of PIC24HJ32GP302 is constituted；
Clock circuit includes crystal oscillator Y1 and capacitor C15, C16；The 12 of one end connection single-chip microcontroller U5 of crystal oscillator Y1
Terminal, and be grounded through capacitor C15；13 terminals of the other end connection single-chip microcontroller U5 of crystal oscillator Y1, and connect through capacitor C16
Ground；
Reset circuit includes resistance R14, resistance R32 and capacitor C17；The reseting terminal of single-chip microcontroller U5 is successively through resistance R32 and electricity
Hinder R14 connection low-tension supply VCC；One end of capacitor C17 is grounded, and the other end is connected between resistance R32 and resistance R14；
The output end of the 27 terminal bind command amplification and rectification circuits of single-chip microcontroller U5,28 terminal connection point thermoelectricity current detection circuits
Output end, 11,14,15,18,19 and 20 terminals are separately connected the input of control command driving circuit.
4. Intelligent Selection bill member according to claim 3, which is characterized in that control command driving circuit includes model
The chip U6 and R15, R16, R17, R18, R19, C21 and C22 of MC14504；
3,5,7,9,11,14 input terminals of chip U6 connect 11,14,15,18,19,20 terminals of single-chip microcontroller U5 respectively, U6 2,
4,6,10 output ends connect with ignition drive circuit, and 15 terminals are connected to cascade Mach-Zehnder interferometer circuit.
5. Intelligent Selection bill member according to claim 1, which is characterized in that power circuit includes diode D1, D3, D4,
The integrated circuit U1 of resistance R1, R2, R3, R4, capacitor C1, C2, C3, C4, C5, C6, inductance L1 and model MAX5090；
13 terminals of integrated circuit U1 and the connection of 9 terminals, 4 terminals are grounded through 13 terminal of resistance R2 connection, 8 terminals through resistance R4, and 8
Terminal exports VDD through resistance R3 connection power supply；
The anode of diode D1 connects cable, 13 terminals of the cathode through circuit R1 connection integrated circuit U1；The anode of diode D3 connects
Ground, cathode connect 13 terminals of integrated circuit U1, and capacitor C1 and capacitor C2 are connected in parallel on the both ends of diode D3；The sun of diode D4
Pole ground connection, cathode connect 1 terminal of integrated circuit U1；
The one end capacitor C3 ground connection, the other end connect 4 terminals of integrated circuit U1；One end of capacitor C4 is grounded, other end connection collection
At 5 terminals of circuit U 1；One end of capacitor C5 is grounded, and the other end connects 7 terminals of integrated circuit U1；Distinguish at the both ends of capacitor C6
Connect 1 terminal and 3 terminals of integrated circuit U1；
The one end L1 is connected with 1 terminal of integrated circuit U1, the input terminal connection of the other end and DC-DC circuit.
6. Intelligent Selection bill member according to claim 1, which is characterized in that DC-DC circuit includes model TPS76901
Chip U2, model TPS60403 chip U3 and R5, R6, C8, C9, C10, C11；
The 2 terminals connection power supply of chip U2 exports VDD and is grounded through capacitor C8, and 5 terminals export low-tension supply VCC and through capacitor C9
Ground connection, 2 terminals and 3 terminal grounds, 4 terminals are grounded through 5 terminal of resistance R5 connection, 4 terminals through resistance R6；
2 terminals of chip U3 are connect with low-tension supply VCC, and 1 terminal exports VEE and is grounded through capacitor C11；5 terminals and 3 terminals warp
Capacitor C10 connection, 4 terminal grounds.
7. Intelligent Selection bill member according to claim 1, which is characterized in that order amplification and rectification circuit includes the first amplifier
U4A and the second amplifier U4B and C12, C13, C14, R7, R8, R9, R10, R11, R12 and R13；
One end of capacitor C12 is connected with cable, and the other end is connected to the positive input of the first amplifier U4A by resistance R8, the
The negative input of one amplifier U4A is grounded through resistance R9, and the negative input of the first amplifier U4A is transported through resistance R10 connection first
Put the output end of U4A；Positive input of the output end of first amplifier U4A through resistance R11 the second amplifier of connection U4B；Capacitor C12
It is grounded between resistance R8 through resistance R7；
A power input of first amplifier U4A connects low-tension supply VCC and is grounded through capacitor C13, another power input
End connects low-tension supply VEE and is grounded through capacitor C14；
The negative input of second amplifier U4B is connect with the output end of the second amplifier U4B, the positive input of the second amplifier U4B
Through resistance R12 connection low-tension supply VCC；The output end of second amplifier U4B is connect by resistance R13 with MCU processor.
8. Intelligent Selection bill member according to claim 1, which is characterized in that cascade Mach-Zehnder interferometer circuit is by metal-oxide-semiconductor Q1, triode
Q3, diode D5 and resistance R22, R23, R24 composition；
The base stage of triode Q3 is connected by resistance R24 with control command driving circuit, and emitter ground connection, collector is through resistance
The grid of R23 connection metal-oxide-semiconductor Q1；
The emitter of the anode connecting triode Q3 of diode D5, the collector of cathode connected to the transistor Q3；
The source electrode connecting cable of metal-oxide-semiconductor Q1 inputs, and source electrode drains through resistance R22 connection grid as the cascaded-output of control circuit
End.
9. Intelligent Selection bill member according to claim 1, which is characterized in that ignition drive circuit is by a pair of of metal-oxide-semiconductor Q4, one
Metal-oxide-semiconductor Q5 and R30, C28, R29 are formed；
Metal-oxide-semiconductor Q4A, metal-oxide-semiconductor Q4B, metal-oxide-semiconductor Q5A and metal-oxide-semiconductor Q5B grid be separately connected the output of control command driving circuit
End；
The source electrode connection power supply of metal-oxide-semiconductor Q4B exports VDD, the source electrode of drain electrode connection metal-oxide-semiconductor Q4A；Metal-oxide-semiconductor Q4B drain electrode is as igniting
Driving circuit exports all the way；
The source electrode connection power supply of metal-oxide-semiconductor Q5B exports VDD, the source electrode of drain electrode connection metal-oxide-semiconductor Q5A；Metal-oxide-semiconductor Q5B drain electrode is as igniting
Driving circuit another output；
Metal-oxide-semiconductor Q4A connects rear tie points thermoelectricity current detection circuit with the drain electrode of metal-oxide-semiconductor Q5A, and is grounded through resistance R29.
10. Intelligent Selection bill member according to claim 1, which is characterized in that initial firing current detection circuit includes amplifier U7
With R25, R26, R27, R28, C25, C26, C27；
A power input of amplifier U7 connects low-tension supply VCC and is grounded through capacitor C26, the connection of another power input
It low-tension supply VEE and is grounded through capacitor C25；
The positive input of amplifier U7 is connect by resistance R28 with ignition drive circuit, and the positive input of amplifier U7 is through capacitor
C27, resistance R27 connect the output end of amplifier U7 with resistance R26；The negative input of amplifier U7 is connected to resistance R27 and resistance
Between R26, capacitor C27 and resistance R27 indirectly；The output end of amplifier U7 is connected to MCU processor by resistance R25.
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|---|---|---|---|
| CN201821549884.6U CN209067180U (en) | 2018-09-21 | 2018-09-21 | Intelligent Selection bill member |
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| CN201821549884.6U CN209067180U (en) | 2018-09-21 | 2018-09-21 | Intelligent Selection bill member |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946305A (en) * | 2020-09-21 | 2020-11-17 | 成都若克菲斯科技有限公司 | Multi-stage selective-firing perforating system for oil-gas well perforation |
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2018
- 2018-09-21 CN CN201821549884.6U patent/CN209067180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111946305A (en) * | 2020-09-21 | 2020-11-17 | 成都若克菲斯科技有限公司 | Multi-stage selective-firing perforating system for oil-gas well perforation |
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