CN213022115U - Logging tension system detection device - Google Patents
Logging tension system detection device Download PDFInfo
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- CN213022115U CN213022115U CN202021868774.3U CN202021868774U CN213022115U CN 213022115 U CN213022115 U CN 213022115U CN 202021868774 U CN202021868774 U CN 202021868774U CN 213022115 U CN213022115 U CN 213022115U
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Abstract
The utility model discloses a logging tension system detection device, which comprises a tension sensor and a simulator; a D/A converter and a field effect transistor Q2 are arranged in the simulator, the output end of the D/A converter is connected with the grid electrode of a field effect transistor Q2, and the grid electrode of a field effect transistor Q2 is connected with a power supply VCC through a resistor R49; the drain of the field effect transistor Q2 is grounded; the source electrode of the field effect transistor Q2 is grounded through R16, and the source electrode of the field effect transistor Q2 is connected with the output end of the tension sensor and a connector connected with a large wire. The tension system can quickly determine whether the tension system has faults or not under the condition that the tension is inaccurate, and the production efficiency is improved.
Description
Technical Field
The utility model belongs to the oil field well logging field relates to a well logging tension system detection device.
Background
A tension sensor and a depth sensor used by a production team of a first-line production of a logging company are imported 5700 standard sensors, aging occurs along with the increase of the service life of equipment, the condition of inaccurate tension occurs in the operation process, the well occupying time is long, potential safety production hazards exist, whether a tension system has a fault or not cannot be quickly determined in the fault removing process, and the normal production of the team of the first-line operation is influenced when a production task is tense.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a logging tension system detection device, can be under the unsafe condition of tension, whether the quick determination has the trouble for tension system self, improve production efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
a logging tension system detection device comprises a tension sensor and a simulator;
a D/A converter and a field effect transistor Q2 are arranged in the simulator, the output end of the D/A converter is connected with the grid electrode of a field effect transistor Q2, and the grid electrode of a field effect transistor Q2 is connected with a power supply VCC through a resistor R49; the drain of the field effect transistor Q2 is grounded; the source electrode of the field effect transistor Q2 is grounded through R16, and the source electrode of the field effect transistor Q2 is connected with the output end of the tension sensor and a connector connected with a large wire.
Preferably, the positive end and the negative end of the signal output by the tension sensor are SIG + and SIG-, respectively, and the SIG-is connected with the negative input end-IN of an operational amplifier A2; SIG + is connected to the positive input + IN of operational amplifier A2; two ends R26 are connected between a first amplification factor adjusting end RG and a second amplification factor adjusting end RG of the operational amplifier A2;
the output end OUT of the operational amplifier A2 is connected with the positive input end + IN of the filter chip A3A through a resistor R25 and a resistor R29, and a capacitor C11 is connected between the resistor R25 and the resistor R29; the negative input end-IN of the filter chip A3A is connected with one end of a resistor R24 and one end of a resistor R23, and the other end of the resistor R23 is grounded; the output terminal OUT of the filter chip A3A is connected to the other end of the R24, and the output terminal OUT of the filter chip A3A serves as an output terminal.
Further, SIG-is connected to the negative input-IN of the operational amplifier A2 through a resistor R22, and SIG-is grounded through a resistor R21; SIG + is connected to the positive input + IN of operational amplifier A2 through resistor R27, and SIG + is connected to ground through resistor R30.
Further, SIG + and SIG-are connected to one end of a diac D3, respectively.
Further, the first amplification factor adjusting terminal RG and the negative input terminal-IN of the operational amplifier a2 are respectively connected to one end of the filter capacitor C12, and the positive input terminal + IN and the second amplification factor adjusting terminal RG of the operational amplifier a2 are respectively connected to one end of the filter capacitor C20.
Further, the output end of the tension sensor is connected with the source electrode of the field effect transistor Q2 through a TEN _ IN plug.
Preferably, a D/A converter and a signal amplification circuit are arranged in the simulator, the output end of the D/A converter is connected with the input end of the signal amplification circuit, and the output end of the signal amplification circuit is connected with the winch panel.
Further, the signal amplification circuit comprises an amplifier U12, a negative input end-IN of the amplifier U12 is connected with one end of a resistor R10, a resistor R7 and a capacitor C12, and the resistor R10 is grounded; the positive input end + IN of the amplifier U12 is connected with one end of a resistor R9, and the other end of the resistor R9 is connected with a D/A converter; the working positive voltage V + of the amplifier U12 is connected with a power supply anode and is grounded through a capacitor C10; the working negative voltage V-of the amplifier U12 is connected with the negative electrode of a power supply and is grounded through a capacitor C18; the compensation capacitor input end OVER COMP of the amplifier U12 is grounded through a capacitor C16; the output terminal OUT of the amplifier U12 is connected to the negative input terminal-IN of the amplifier U12 through a capacitor C12 and a resistor R7, and the output terminal OUT of the amplifier U12 is connected to the winch panel through a resistor R11.
Still further, the third output terminal is connected to TENSION _ OUT + of the TEN _ OUT junction, the TENSION _ OUT-of the TEN _ OUT junction being connected to ground through a resistor R16.
Compared with the prior art, the utility model discloses following beneficial effect has:
device, the DA converter can send control signal, detects tension sensor and the tension background value and the 10000 pound tension value of connecting the main line through the device, judges fast whether normal with the operating condition who connects the main line of tension sensor, improves production efficiency.
Further, through the tension background value and the 10000 pounds tension value that detect tension sensor, can be under the prerequisite of knowing that the system has the trouble, judge that tension sensor has the trouble.
Further, a resistor R21 and a resistor R22 form a voltage divider for attenuating the input signal of SIG-; the resistor R27 and the resistor R30 form a voltage divider to attenuate the input signal of SIG +, thereby avoiding the saturation of the input signal of the operational amplifier.
Further, a bidirectional voltage stabilizing diode D3 is arranged, so that the overvoltage protection effect can be achieved on the circuit.
Furthermore, a filter capacitor C12 and a filter capacitor C20 are arranged to filter the circuit.
Furthermore, the D/A converter is connected with the signal amplification circuit, and the signal amplification circuit is connected with the tension signal transmission device, so that the simulator outputs a standard tension signal to the winch panel to judge whether the ground winch panel has a fault or not, and the simulator can judge whether the tension signal transmission device has a fault or not on the premise of knowing that the system has the fault.
Drawings
Fig. 1 is a first detection circuit diagram of the present invention;
fig. 2 is a second detection circuit diagram of the present invention;
fig. 3 is a third detection circuit diagram of the present invention;
FIG. 4 is a schematic diagram of a TEN _ IN plug of the present invention;
fig. 5 is a schematic diagram of the TEN _ OUT connector of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
logging tension system detection device, including tension sensor and simulator, the tension sensor output passes through the internal circuit connection of TEN _ IN plug and simulator, and TEN _ IN plug circuit diagram is shown IN FIG. 4.
An internal D/A converter of the simulator, the internal circuitry of the simulator including a tension sensor input connector circuit and a tension sensor output connector circuit. The tension sensor input connector circuit includes an amplifier circuit composed of an operational amplifier a2, a low pass filter composed of a filter chip A3A, and a detection circuit composed of a field effect transistor Q2.
The detection circuit formed by the field effect transistor Q2 is a first detection circuit in the simulator, as shown in FIG. 1, the model of the field effect transistor Q2 is IRLML2402, the D/A converter is connected with the grid 3 pin of the field effect transistor Q2, and the grid 3 pin of the field effect transistor Q2 is connected with a power supply VCC through a resistor R49; the drain 2 pin of the field effect transistor Q2 is grounded; the source 1 pin of fet Q2 is grounded through R16, and the source 1 pin of fet Q2 is connected to the G pin SHUNT IN of the TEN _ IN plug and then to the tension sensor output and to the connector for the main line.
An amplifying circuit formed by the operational amplifier a2 and a low-pass filter formed by the filter chip A3A are second detection circuits IN the simulator, as shown IN fig. 2, the model of the operational amplifier a2 is AD620BR, pin 1 of the operational amplifier a2 is a first amplification factor adjusting end RG, pin 2 is a negative input end-IN, pin 3 is a positive input end + IN, pin 5 is a reference end REF, pin 6 is an output end OUT, and pin 8 is a second amplification factor adjusting end RG; the model of the filter chip A3A is LTC1151CSW, pin 3 of the filter chip A3A is an output end OUT, pin 4 is a negative input end-IN, and pin 5 is a positive input end + IN; the positive signal end and the negative signal end output by the tension sensor are respectively SIG + and SIG-, the SIG-is connected with the 2 pin of the operational amplifier A2 through a resistor R22, and the SIG-is grounded through a resistor R21; SIG + is connected with the pin 3 of the operational amplifier A2 through a resistor R27, and SIG + is grounded through a resistor R30; the resistor R21 and the resistor R22 form a voltage divider for attenuating the input signal of SIG-; resistor R27 and resistor R30 form a voltage divider that attenuates the input signal SIG +. The pins 1 and 8 of the operational amplifier A2 are connected with two ends of the R26; SIG + and SIG-are connected to one end of a diac D3, respectively. Pins 1 and 2 of the operational amplifier A2 are connected to one end of a filter capacitor C12, respectively, and pins 3 and 8 of the operational amplifier A2 are connected to one end of a filter capacitor C20, respectively.
The output 6 pin of the operational amplifier is connected with the positive input 5 pin of the filter chip A3A through a resistor R25 and a resistor R29, and a capacitor C11 is connected between the resistor R25 and the resistor R29; the negative 4 input pins of the filter chip A3A are connected with one ends of a resistor R24 and a resistor R23, and the other end of the resistor R23 is grounded; the pin 3 of the output end of the filter chip A3A is connected with the other end of the R24, and the pin 3 of the output end of the filter chip A3A serves as an output end.
The output connector circuit of the tension sensor is a signal amplification circuit which is a third detection circuit in the simulator, the output end of the D/A converter is connected with the input end of the signal amplification circuit, and the output end of the signal amplification circuit is connected with the winch panel.
As shown IN fig. 3, the signal amplifying circuit includes an amplifier U12, the amplifier U12 is AD705, pin 2 of the amplifier U12 is a negative input terminal-IN, pin 3 is a positive input terminal + IN, pin 4 is a chip working negative voltage V-, pin 5 is a compensation capacitor input terminal OVER COMP, pin 6 is an output terminal OUT, and pin 7 is a chip working positive voltage V +; the negative input end 2 pin of the amplifier U12 is connected with one end of a resistor R10, a resistor R7 and a capacitor C12, and the resistor R10 is grounded; the positive input end 3 pin of the amplifier U12 is connected with one end of a resistor R9, and the other end of the resistor R9 is connected with a D/A converter; the pin 7 of the amplifier U12 is connected with the anode of a power supply and is grounded through a capacitor C10; the 4 feet of the amplifier U12 are connected with the negative pole of a power supply and are grounded through a capacitor C18; the protection pin 5 of the amplifier U12 is grounded through a capacitor C16; an output pin 6 of the amplifier U12 is connected to a negative input end pin 2 of the amplifier U12 through a capacitor C12 and a resistor R7, and an output pin 6 of the amplifier U12 is connected to the winch panel through a resistor R11.
The third output terminal is connected to TENSION _ OUT + of the TEN _ OUT junction, and TENSION _ OUT-of the TEN _ OUT junction is connected to ground through a resistor R16. The circuit diagram of the TEN OUT connector is shown in fig. 5. And the third output end is connected with the tension signal transmission device through a TEN-OUT joint.
The simulator firstly detects the tension background value of the tension sensor and the tension background value of the connecting large wire, then the D/A converter outputs a control signal SHUNT to enable the Q2 to be sucked to detect the 10000-pound tension value of the tension sensor and the connecting large wire, the two signals output tension signals after being amplified and filtered, and whether the working states of the tension sensor and the connecting large wire are normal or not can be judged according to whether the tension background value is the same as the 10000-pound tension value or not.
The tension sensor of the simulator is connected, the simulator firstly detects the tension background value of the tension sensor, then the simulator outputs a control signal SHUNT to enable Q2 to suck and detect the 10000-pound tension value of the tension sensor, the two signals output tension signals after amplification and filtering, and whether the working state of the tension sensor is normal or not can be judged according to whether the tension background value is the same as the 10000-pound tension value or not.
The simulator is connected with a ground winch panel, a standard tension signal output by a D/A converter is output after passing through an operational amplifier and then a tension value is displayed on the winch panel, and whether the ground winch panel has a fault or not is judged by judging whether the tension display value of the ground winch panel is consistent with the tension value output by the D/A converter or not.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (9)
1. A logging tension system detection device is characterized by comprising a tension sensor and a simulator;
a D/A converter and a field effect transistor Q2 are arranged in the simulator, the output end of the D/A converter is connected with the grid electrode of a field effect transistor Q2, and the grid electrode of a field effect transistor Q2 is connected with a power supply VCC through a resistor R49; the drain of the field effect transistor Q2 is grounded; the source electrode of the field effect transistor Q2 is grounded through R16, and the source electrode of the field effect transistor Q2 is connected with the output end of the tension sensor and a connector connected with a large wire.
2. A logging tension system detecting device according to claim 1, wherein the positive and negative signal terminals of the tension sensor output are SIG + and SIG-, respectively, SIG-is connected to the negative input-IN of an operational amplifier a 2; SIG + is connected to the positive input + IN of operational amplifier A2; two ends R26 are connected between a first amplification factor adjusting end RG and a second amplification factor adjusting end RG of the operational amplifier A2;
the output end OUT of the operational amplifier A2 is connected with the positive input end + IN of the filter chip A3A through a resistor R25 and a resistor R29, and a capacitor C11 is connected between the resistor R25 and the resistor R29; the negative input end-IN of the filter chip A3A is connected with one end of a resistor R24 and one end of a resistor R23, and the other end of the resistor R23 is grounded; the output terminal OUT of the filter chip A3A is connected to the other end of the R24, and the output terminal OUT of the filter chip A3A serves as an output terminal.
3. A logging tension system detecting device according to claim 2, wherein SIG-is connected to the negative input-IN of operational amplifier a2 through resistor R22, SIG-is connected to ground through resistor R21; SIG + is connected to the positive input + IN of operational amplifier A2 through resistor R27, and SIG + is connected to ground through resistor R30.
4. A logging tension system detecting device according to claim 2, wherein SIG + and SIG-are connected to one end of a zener diode D3, respectively.
5. A logging tension system detecting device according to claim 2, wherein the first amplification factor adjusting terminal RG and the negative input terminal-IN of the operational amplifier a2 are respectively connected to one end of a filter capacitor C12, and the positive input terminal + IN and the second amplification factor adjusting terminal RG of the operational amplifier a2 are respectively connected to one end of a filter capacitor C20.
6. A logging tension system detecting device according to claim 2, wherein the tension sensor output is connected to the source of the fet Q2 via a TEN _ IN plug.
7. The logging tension system detecting device of claim 1, wherein a D/a converter and a signal amplifying circuit are arranged in the simulator, an output end of the D/a converter is connected with an input end of the signal amplifying circuit, and an output end of the signal amplifying circuit is connected with the winch panel.
8. The logging tension system detecting device of claim 7, wherein the signal amplifying circuit comprises an amplifier U12, the negative input terminal-IN of the amplifier U12 is connected with one end of a resistor R10, a resistor R7 and a capacitor C12, and the resistor R10 is grounded; the positive input end + IN of the amplifier U12 is connected with one end of a resistor R9, and the other end of the resistor R9 is connected with a D/A converter; the working positive voltage V + of the amplifier U12 is connected with a power supply anode and is grounded through a capacitor C10; the working negative voltage V-of the amplifier U12 is connected with the negative electrode of a power supply and is grounded through a capacitor C18; the compensation capacitor input end OVER COMP of the amplifier U12 is grounded through a capacitor C16; the output terminal OUT of the amplifier U12 is connected to the negative input terminal-IN of the amplifier U12 through a capacitor C12 and a resistor R7, and the output terminal OUT of the amplifier U12 is connected to the winch panel through a resistor R11.
9. A logging TENSION system detecting device according to claim 8, wherein the third output terminal is connected to the TEN _ OUT + of the TEN _ OUT terminal, and the TEN _ OUT-of the TEN _ OUT terminal is grounded through a resistor R16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021868774.3U CN213022115U (en) | 2020-08-31 | 2020-08-31 | Logging tension system detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021868774.3U CN213022115U (en) | 2020-08-31 | 2020-08-31 | Logging tension system detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213022115U true CN213022115U (en) | 2021-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021868774.3U Active CN213022115U (en) | 2020-08-31 | 2020-08-31 | Logging tension system detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213022115U (en) |
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2020
- 2020-08-31 CN CN202021868774.3U patent/CN213022115U/en active Active
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