CN201513166U - Flow switch device while drilling - Google Patents
Flow switch device while drilling Download PDFInfo
- Publication number
- CN201513166U CN201513166U CN2009202234732U CN200920223473U CN201513166U CN 201513166 U CN201513166 U CN 201513166U CN 2009202234732 U CN2009202234732 U CN 2009202234732U CN 200920223473 U CN200920223473 U CN 200920223473U CN 201513166 U CN201513166 U CN 201513166U
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Abstract
The utility model discloses a flow switch device while drilling, which comprises a receptor, a signal-receiving amplification filtering circuit, a signal mixer filtering circuit, a central treatment unit, an emission signal synthetic amplification circuit and an emitter, wherein an output end of the receptor is connected with an input end of the signal-receiving amplification filtering circuit, the output end of the signal-receiving amplification filtering circuit is connected with the input end of the signal mixer filtering circuit, the output end of the signal mixer filtering circuit is connected with a signal input end of the central treatment unit, a signal output end of the central treatment unit is connected with the input end of the emission signal synthetic amplification circuit, and the output end of the emission signal synthetic amplification circuit is connected with the input ends of the receptor and the signal mixer filtering circuit. The flow switch device while drilling is arranged in a salvaging head of a wireless gradient meter while drilling, and has the advantages of changing work states of wireless gradient meters while drilling according to mud flow rates, saving electric energy, extending service lives of batteries and wireless gradient meters while drilling, and preventing impulse generators of wireless gradient meters while drilling from sand-jamming.
Description
Technical field
The utility model relates to the measuring apparatus that a kind of drilling well is used, and relates in particular to a kind of with boring the flow switch device.
Background technology
At present, a large amount of wireless drilling inclinometers that adopt carry out directional well survey in the oil drilling at home, wireless drilling inclinometers the underground work energy needed be by self with battery supply with, be 150 hours the application life of this battery design, but the parameter that wireless drilling inclinometers is measured in the process of making a trip does not need and do not have a practical significance.As calculated, the degree of depth is that 3000 meters well normally plays next time and bores the electric energy that consumes in vain and just account for about 10% of design total amount, and a bite well normally to make a trip be about three times.Like this, just wasted many batteries, contaminated environment, and quickened the wearing and tearing of instrument, and reduced the application life of instrument, to work when making a trip as instrument, the sand that also causes the instrument impulse generator to cause easily is stifled, influences the normal construction of drilling well.
The utility model content
The purpose of this utility model provides a kind of with boring the flow switch device, can control the duty of wireless drilling inclinometers.
The utility model adopts following technical proposals: a kind of with boring the flow switch device, it is characterized in that: comprise receiver, received signal amplification filtering circuit, be used for transmitting and the signal mixing and filtering circuit of handling through the received signal of amplification filtering processing, CPU, synthetic amplifying circuit and transmitter transmit, the output of described receiver is connected with the input of received signal amplification filtering circuit, the output of received signal amplification filtering circuit connects the input of signal mixing and filtering circuit, the output of signal mixing and filtering circuit connects the signal input part of CPU, the signal output part of CPU connects the input of the synthetic amplifying circuit that transmits, and the output of the synthetic amplifying circuit that transmits is connected with the input of transmitter and the input of signal mixer circuit; The signal output part of CPU is used for connecting the directed inserting tube of wireless drilling inclinometers.
Described received signal amplification filtering circuit comprises pre-amplification circuit and bandpass filter amplifier circuit, and the output of pre-amplification circuit is connected with the input of bandpass filter amplifier circuit.
Described signal mixing and filtering circuit comprises mixer and low-pass filter circuit, and the output of mixer is connected with the input of low-pass filter circuit.
The described synthetic amplifying circuit that transmits comprises frequency synthesizer circuit and power amplification circuit, and the output of frequency synthesizer circuit is connected with the input of power amplification circuit.
The utility model is with boring the flow switch device, be arranged in the fishing head of wireless drilling inclinometers, utilize doppler principle to measure the flow velocity of liquid accurately, the signal that records is through can be good at controlling the duty of wireless drilling inclinometers after the processing of circuit, thereby save the part electric energy, prolong the application life of battery and wireless drilling inclinometers, reduce the wearing and tearing of instrument; And the impulse generator that can also prevent wireless drilling inclinometers effectively occurs husky stifled, brings convenience for the construction of drilling well.
Description of drawings
Fig. 1 is a circuit block diagram of the present utility model;
The specific embodiment
Below in conjunction with drawings and Examples the utility model is done with detailed description.
As shown in Figure 1, the utility model comprises receiver, received signal amplification filtering circuit, is used for transmitting and pass through signal mixing and filtering circuit, CPU that received signal that amplification filtering handles handles, transmit and synthesize amplifying circuit and transmitter with boring the flow switch device.The output of described receiver is connected with the input of received signal amplification filtering circuit, received signal amplification filtering circuit comprises pre-amplification circuit and bandpass filter amplifier circuit, the output of pre-amplification circuit is connected with the input of bandpass filter amplifier circuit, and the output of bandpass filter amplifier circuit connects the input of signal mixing and filtering circuit; Described signal mixing and filtering circuit comprises mixer and low-pass filter circuit, and the output of mixer is connected with the input of low-pass filter circuit, and the output of low-pass filter circuit connects the signal input part of CPU; The signal output part of CPU connects the input of the synthetic amplifying circuit that transmits, the described synthetic amplifying circuit that transmits comprises frequency synthesizer circuit and power amplification circuit, the output of frequency synthesizer circuit is connected with the input of power amplification circuit, and the output of power amplification circuit is connected with the input of the input of transmitter and mixer; The signal output part of CPU is used for by the directed inserting tube of holding wire connection wireless drilling inclinometers.Receiver adopts receiving transducer SQUS-D20 in the present embodiment, and pre-amplification circuit adopts the circuit that is made of operational amplifier TLE2072; The circuit that the bandpass filter amplifier circuit adopts integrated amplifier MC1350 to constitute; Mixer adopts the circuit that is made of analog switch CD4053; Low-pass filter circuit adopts the filter circuit by the routine of electric capacity, resistance overlap joint; The circuit that frequency synthesizer adopts high integrated frequency synthesizer AD9850 to constitute; The circuit that power amplification circuit adopts NPN triode 2222, PNP triode 2SA1384 to form; Transmitter adopts transmitting probe SQUS-D20; CPU adopts digital signal processor TMS320F2812.
The utility model is arranged in the fishing head of wireless drilling inclinometers with boring the flow switch device, the directed inserting tube of the fishing head of wireless drilling inclinometers and wireless drilling inclinometers couples together by the centralizer of wireless drilling inclinometers, is connected with holding wire with being provided with between the directed inserting tube of signal output part that bores CPU in the flow switch device and wireless drilling inclinometers.The utility model is with the power line power supply of the power supply that bores the flow switch device by the battery pack of the wireless drilling inclinometers centralizer inside by being arranged on wireless drilling inclinometers.
Operating principle of the present utility model is as follows: as shown in Figure 1, the central processing unit controls frequency synthesizer circuit produces sinusoidal wave, and sine wave sends ultrasonic signal by transmitter after power amplification circuit amplifies.Receiver receives the Doppler frequency deviation signal that contains rate of flow of fluid information that is sent by transmitter and through pre-amplification circuit signal is amplified, input mixer circuit after the bandpass filter amplifier circuit leaches clutter again, mixer carries out mixing with the output signal of this signal and power amplification circuit, obtain difference frequency signal and send into CPU after low-pass filter circuit filtering, this difference frequency signal is carried out a series of processing to CPU and rate of flow of fluid is tried to achieve in calculating.When the flow velocity of trying to achieve when calculating is judged greater than flow rate setpoint through CPU, CPU is just by the switching signal of holding wire to a high-low level of directed inserting tube output, when directed inserting tube is received switching signal, directed inserting tube judges that the switching signal of receiving is high level or low level, directed then inserting tube is controlled wireless drilling inclinometers according to switching signal, makes wireless drilling inclinometers start working or quit work.When not needing wireless drilling inclinometers work, directed inserting tube is just controlled wireless drilling inclinometers breaking part consumer, thereby saves the part electric energy, prolongs the application life of battery and wireless drilling inclinometers; And the impulse generator that can also prevent wireless drilling inclinometers effectively occurs husky stifled.
Claims (4)
1. one kind with boring the flow switch device, it is characterized in that: comprise receiver, received signal amplification filtering circuit, be used for transmitting and the signal mixing and filtering circuit of handling through the received signal of amplification filtering processing, CPU, synthetic amplifying circuit and transmitter transmit, the output of described receiver is connected with the input of received signal amplification filtering circuit, the output of received signal amplification filtering circuit connects the input of signal mixing and filtering circuit, the output of signal mixing and filtering circuit connects the signal input part of CPU, the signal output part of CPU connects the input of the synthetic amplifying circuit that transmits, and the output of the synthetic amplifying circuit that transmits is connected with the input of transmitter and the input of signal mixer circuit; The signal output part of CPU is used for connecting the directed inserting tube of wireless drilling inclinometers.
2. according to claim 1 with boring the flow switch device, it is characterized in that: described received signal amplification filtering circuit comprises pre-amplification circuit and bandpass filter amplifier circuit, and the output of pre-amplification circuit is connected with the input of bandpass filter amplifier circuit.
3. according to claim 1 with boring the flow switch device, it is characterized in that: described signal mixing and filtering circuit comprises mixer and low-pass filter circuit, and the output of mixer is connected with the input of low-pass filter circuit.
4. according to claim 1 or 2 or 3 described with boring the flow switch device, it is characterized in that: the described synthetic amplifying circuit that transmits comprises frequency synthesizer circuit and power amplification circuit, and the output of frequency synthesizer circuit is connected with the input of power amplification circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202234732U CN201513166U (en) | 2009-09-15 | 2009-09-15 | Flow switch device while drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202234732U CN201513166U (en) | 2009-09-15 | 2009-09-15 | Flow switch device while drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201513166U true CN201513166U (en) | 2010-06-23 |
Family
ID=42484576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202234732U Expired - Fee Related CN201513166U (en) | 2009-09-15 | 2009-09-15 | Flow switch device while drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201513166U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924965A (en) * | 2014-04-22 | 2014-07-16 | 孙东奎 | Interface box for measuring while drilling system |
| CN109322657A (en) * | 2018-08-23 | 2019-02-12 | 苏州金科发能源技术有限公司 | The energy conservation of impulse generator, safety give method for electrically in wireless drilling inclinometers |
-
2009
- 2009-09-15 CN CN2009202234732U patent/CN201513166U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924965A (en) * | 2014-04-22 | 2014-07-16 | 孙东奎 | Interface box for measuring while drilling system |
| CN109322657A (en) * | 2018-08-23 | 2019-02-12 | 苏州金科发能源技术有限公司 | The energy conservation of impulse generator, safety give method for electrically in wireless drilling inclinometers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100623 Termination date: 20170915 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |