CN2355102Y - Simulator for signals of drilling recorder - Google Patents
Simulator for signals of drilling recorder Download PDFInfo
- Publication number
- CN2355102Y CN2355102Y CN98229752U CN98229752U CN2355102Y CN 2355102 Y CN2355102 Y CN 2355102Y CN 98229752 U CN98229752 U CN 98229752U CN 98229752 U CN98229752 U CN 98229752U CN 2355102 Y CN2355102 Y CN 2355102Y
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- circuit
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- phase
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Abstract
The utility model relates to a signal simulator for a drilling recorder, which comprises an oscillation circuit, a phase sharing circuit, an output circuit and a DC stabilized voltage source, wherein the output end of the oscillation circuit is connected to the 'clock' input end of the phase sharing circuit; the output end Q0 of the phase sharing circuit is connected in series with a phase inverter V1 and is connected with the R end of an R-S trigger T1 of the output circuit, the output end Q4 is connected in series with a phase inverter V2 and is connected with the S end of the T1, the output end Q2 is connected in series with a phase inverter V3 and is connected with the R end of another R-S trigger T2 of the output circuit, and the output end Q6 is connected in series with a phase inverter V4 and is connected with the S end of the T2. Continuous square wave pulses can be respectively emitted by the T1 and the T2, and the output end of the T2 delays to output square waves pulses of 90 DEG as compared with the output end of the T1. The utility model is used for generating site simulating signals for the drilling recorder. The utility model has the advantages of labor saving, material saving and time saving.
Description
The utility model belongs to drilling-log instrument recoil simulator technical field.
The drilling-log instrument need regularly keep in repair and debug.Traditional method of testing is the input interface at the data acquisition unit of well logging instrument, imports the corresponding signal of telecommunication one by one, demonstrates its indication situation on display.For all paths, all need carry out the similar detection program.Because indoor test does not possess the detection of dynamic condition under the on-the-spot online condition, detects the dynamic characteristic that debugging can't be determined the well logging instrument in factory.Generally must install at all sensors entering situ of drilling well, after carrying out the fielded system debugging under the hot machine state, the well logging instrument can carry out the faithful record.Generally take more than 15 days.
The purpose of this utility model provides a kind of drilling-log instrument signal simulator that produces the square-wave pulse of simulated field signal.
The purpose of this utility model is achieved in that drilling-log instrument signal simulator comprises oscillating circuit, phase assignments circuit, output circuit and D.C. regulated power supply.Oscillating circuit can be a CR oscillation circuit, also can be that square-wave pulse produces circuit.The phase assignments circuit can adopt decimal system counting/pulsqe distributor.Output end of oscillating circuit is connected to phase assignments circuit " clock " input, and the input cycle is t
1Continuous square wave count pulse A.The output Q of phase assignments circuit
0, Q
2, Q
4, Q
6The output cycle is 8t respectively
1And different square-wave pulse B, D, C, the E of sequential, wherein the time of D hysteresis B is 2t
1Be that phase place lags behind 90 °, the time of C hysteresis B is 4t
1, the time of E hysteresis D is 4t
1, Q
7The output cycle is 8t
1, leading B time be t
1The RST input of square-wave pulse that reset to phase assignments circuit (2).Output circuit comprises two R-S trigger T
1And T
2, the Q of phase assignments circuit
0Output and phase inverter V
1Series connection back and T
1The R input connect Q
4With phase inverter V
2Series connection back and T
2The S input connect Q
2With phase inverter V
3Series connection back and T
2The R input connect Q
6With phase inverter V
4Series connection back and T
2The S input connect, work as T
1Two inputs of R, S when importing square-wave pulse respectively, T
1Output O
1Be that output pulse width is 4t
1, the cycle is 8t
1Square-wave pulse, work as T
2R, when the S input is imported square-wave pulse respectively, T
2Output O
2Be output pulse width 4t
1, cycle 8t
1To O
1The square-wave pulse that the phase place hysteresis is 90 °.The cycle of the square-wave pulse of oscillating circuit output is continuously adjustable, so the also corresponding thereupon change of cycle of the square-wave pulse analog signal of output circuit output.D.C. regulated power supply provides DC voltage-stabilizing for the each several part circuit.
The utility model has the advantages that, when detecting debugging well logging instrument, can on signal simulator, produce the on-the-spot actual analog signal that produces of multi-channel analog drilling-log, do not carry out field measurement and debugging and need that the well logging instrument is moved to on-the-spot the connection with each sensor of down-hole, thereby the consumption that can save plenty of time and human and material resources, remarkable in economical benefits is a significant improvement of well logging technology.
Fig. 1 is a circuit structure diagram of the present utility model.Fig. 1 is described as follows: among Fig. 1,1 is oscillating circuit, and 2 is the phase assignments circuit, and 3 is output circuit, and 4 is D.C. regulated power supply.
Fig. 2 is circuit waveform figure at different levels of the present utility model.Fig. 2 is described as follows: A is the square-wave pulse that oscillating circuit produces, and B is the Q of phase assignments circuit
0The square-wave pulse of output output, D is Q
2The square-wave pulse of end output, C is Q
4The square-wave pulse of end output, E is Q
6The square-wave pulse of end output, F is Q
7The square-wave pulse that resets of end output, G is that the B square-wave pulse is through phase inverter V
1Square-wave pulse after anti-phase, H are that the C square-wave pulse is through phase inverter V
2Square-wave pulse after anti-phase, J are that the D square-wave pulse is through phase inverter V
3Square-wave pulse after anti-phase, K are that the E square-wave pulse is through phase inverter V
4Square-wave pulse after anti-phase, O
1Be T
1The square-wave pulse of output, O
2Be T
2The square-wave pulse of output.
Fig. 3 is oscillating circuit part basic circuit diagram that adopts RC oscillating circuit embodiment of the utility model.Fig. 3 is described as follows: among Fig. 3, R
1Be adjustable resistance, C
1Be capacitor, R
0For connecting resistance, T
3Be in NAND gate circuit (4011 type circuit) that Vcc is electric primary voltage.Connecting power supply moment, C
1No-voltage, T
3Last input be high level, following input is a low level, so T
3Output be high level.So C
1Pass through R
1C
1Circuit is recharged, C
1Voltage increases, when being elevated to a certain degree, and T
3Upper and lower two inputs be high level, making output is low level.So C
1Pass through R
1C
1Circuit discharging, C
1The M point voltage of upper end descends, when dropping to a certain degree, and T
3Following input be low level, T
3So the output high level is C
1Charged once more ...So, oscillating circuit promptly produces a square-wave pulse continuously.Adjust the cycle of the adjustable square-wave pulse of adjustable resistance." clock " input of the square-wave pulse input phase distributor circuit (4017 type circuit) that oscillating circuit produces.
Claims (3)
1. a drilling-log instrument signal simulator comprises D.C. regulated power supply (4), it is characterized in that also comprising oscillating circuit (1), phase assignments circuit (2) and output circuit (3); Oscillating circuit (1) output connects " clock " input of phase assignments circuit (2), and the input pulse cycle is t
1Continuous square wave count pulse A; The output Q of phase assignments circuit (2)
0, Q
2, Q
4, Q
6The output cycle is 8t respectively
1And different square-wave pulse B, D, C, the E of sequential, wherein the time of D hysteresis B is 2t
1, i.e. 90 ° of phase place hysteresis B pulses, the time of C hysteresis B is 4t
1, the time of E hysteresis D is 4t
1, Q
7The output cycle is 8t
1, leading B time t
1The RST input of square-wave pulse that reset to phase assignments circuit (2); Output circuit (3) comprises two R-S trigger T
1And T
2, the Q of phase assignments circuit (2)
0Output and phase inverter V
1Series connection back and T
1The R input connect Q
4With phase inverter V
2Series connection back and T
1The S input connect Q
2With phase inverter V
3Series connection back and T
2The R input connect Q
6With phase inverter V
4Series connection back and T
2The S input connect; The T of output circuit (3)
1Output O
1Output pulse width 4t
1, the cycle is 8t
1Square-wave pulse, T
2Output O
2Output pulse width 4t
1, cycle 8t
1Phase place hysteresis T
1Export 90 ° square-wave pulse; D.C. regulated power supply (4) provides DC voltage-stabilizing for the each several part circuit.
2. according to the described a kind of drilling-log instrument signal simulator of claim 1, it is characterized in that oscillating circuit (1) wherein is the RC oscillating circuit.
3. according to the described a kind of drilling-log instrument signal simulator of claim 1, it is characterized in that oscillating circuit (1) wherein is a square wave generation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98229752U CN2355102Y (en) | 1998-10-23 | 1998-10-23 | Simulator for signals of drilling recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN98229752U CN2355102Y (en) | 1998-10-23 | 1998-10-23 | Simulator for signals of drilling recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2355102Y true CN2355102Y (en) | 1999-12-22 |
Family
ID=33979586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98229752U Expired - Fee Related CN2355102Y (en) | 1998-10-23 | 1998-10-23 | Simulator for signals of drilling recorder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2355102Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939085A (en) * | 2014-04-21 | 2014-07-23 | 西南石油大学 | Method for debugging comprehensive logging instrument by means of simulating scene sensor signal |
| CN111198512A (en) * | 2020-03-12 | 2020-05-26 | 辽宁众联石油天然气有限公司 | Parameter simulator |
-
1998
- 1998-10-23 CN CN98229752U patent/CN2355102Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103939085A (en) * | 2014-04-21 | 2014-07-23 | 西南石油大学 | Method for debugging comprehensive logging instrument by means of simulating scene sensor signal |
| CN111198512A (en) * | 2020-03-12 | 2020-05-26 | 辽宁众联石油天然气有限公司 | Parameter simulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |