CN208705485U - A kind of wave detector output adapter - Google Patents
A kind of wave detector output adapter Download PDFInfo
- Publication number
- CN208705485U CN208705485U CN201820908336.1U CN201820908336U CN208705485U CN 208705485 U CN208705485 U CN 208705485U CN 201820908336 U CN201820908336 U CN 201820908336U CN 208705485 U CN208705485 U CN 208705485U
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- China
- Prior art keywords
- capacitor
- resistance
- adapter
- circuit
- wave detector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model provides a kind of wave detector output adapter, it is related to seismic prospecting signal processing technology field, the adapter includes shell, the input adapter of hull outside setting and out splice going splice and the trap circuit of enclosure interior setting, in which: trap circuit is 50Hz trap circuit and is connected between connection input adapter and out splice going splice.Wave detector output adapter provided by the utility model is as a kind of external adapter, has 50Hz notch filter function, when wave detector field construction section is located under nearly power grid or high-voltage line, the adapter is connected between wave detector and acquisition station, wave detector can be made effectively to avoid the interference of extraneous power frequency electric field, improve the signal-to-noise ratio of useful signal.
Description
Technical field
The utility model relates to seismic prospecting signalling technique fields more particularly to a kind of wave detector to export adapter.
Background technique
In seismic survey system, wave detector undertakes the task that stratum shock wave is converted to electric signal output, due to ground
Layer information especially the deep information signal is weaker, is easy by external interference.Especially Grid, wave detector is vulnerable to power frequency
50Hz interference.Since range 5-400Hz, the 50Hz information that wave detector receives useful frequency information is located exactly at main information area
Domain, the receiving of Hz noise very disruptive useful information.
Since Hz noise is overlapping with useful frequency information, takes added in wave detector built-in circuit in the prior art
The measures such as notch filter function, above-mentioned built-in trap circuit can get the effect for inhibiting Hz noise really, but also can
Influence the receiving of 50Hz and neighbouring frequency useful information.
Utility model content
In view of the above problems, wave detector output adapter provided by the utility model has as a kind of external adapter
The adapter is connected to inspection when wave detector field construction section is located under nearly power grid or high-voltage line by 50Hz notch filter function
Between wave device and acquisition station, wave detector can be made effectively to avoid the interference of extraneous power frequency electric field, improve the signal-to-noise ratio of useful signal.
A kind of wave detector output adapter, which is characterized in that the input adapter being arranged including shell, hull outside and output
Connector and the trap circuit of enclosure interior setting, in which: the trap circuit is 50Hz trap circuit and is connected to described
It connects between input adapter and out splice going splice.
Further, the trap circuit is for passive notch filter circuit and including first resistor, second resistance, third
Resistance R3, first capacitor, the second capacitor and third capacitor, in which: what the first capacitor and the second capacitor were serially connected is followed by
Between input adapter and out splice going splice；What the first resistor and second resistance were serially connected is followed by input adapter and outlet
Between, the series circuit of the series circuit of first resistor and the second resistance first capacitor and the second capacitor in parallel；Described
One end of three capacitors is grounded, and the other end of third capacitor is connected on the circuit between first resistor and second resistance；Described
One end of three resistance R3 is grounded, and the other end of 3rd resistor R3 is connected on the circuit between first capacitor and the second capacitor.
Further, the trap circuit is for active notch filter circuit and including the 4th resistance, the 5th resistance, the 6th
Resistance, the 7th resistance, the 8th resistance, the 4th capacitor, the 5th capacitor, the 6th capacitor and amplifier, in which: the 4th capacitor and
What the 5th capacitor was serially connected is followed by between input adapter and amplifier anode input port；4th resistance and the 5th resistance
What is be serially connected is followed by between input adapter and amplifier anode input port, and the series circuit of the 4th resistance and the 5th resistance is simultaneously
Join the series circuit of the 4th capacitor and the 5th capacitor；One end of 6th capacitor is grounded, and the other end of the 6th capacitor connects
It connects on the circuit between the 4th resistance and the 5th resistance；6th resistance is connected to amplifier cathode input port and connects with output
Between head；7th resistance is connected between amplifier cathode input port and ground；One end of 8th resistance connects output
Connector, the other end of the 8th resistance are connected on the circuit between the 4th capacitor and the 5th capacitor；The out splice going splice connection is put
Big device delivery outlet；
Further, the input adapter and out splice going splice are two core waterproof connectors.
A kind of wave detector output adapter of the utility model has the advantages that
(1) wave detector output adapter provided by the utility model has convenient for disassembly and assembly as a kind of external adapter
Adapter can be flexibly mounted between wave detector and acquisition station by advantage in Grid, and 50Hz power frequency is dry to remove
It disturbs；In non-electrical web area, under adapter can flexibly being unloaded between wave detector and acquisition station, avoid influencing wave detector
Normal signal.
(2) input adapter and out splice going splice are two core waterproof connectors, are suitable for outdoor environment.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, embodiment or the prior art will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the installation schematic diagram of the utility model；
Fig. 2 is the internal passive notch filter circuit diagram of the utility model；
Fig. 3 is the active notch filter circuit diagram in inside of the utility model；
Fig. 4 is the technical effect figure of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one
As shown in Figure 1, a kind of wave detector exports adapter, the input adapter being arranged including shell, hull outside and output
Connector and the trap circuit of enclosure interior setting, in which: trap circuit is 50Hz trap circuit and is connected to the connection
Between input adapter and out splice going splice.Specifically, the input signal of input adapter tie geophone, out splice going splice connection acquisition
It stands.
As shown in Fig. 2, trap circuit is for passive notch filter circuit and including first resistor R1, second resistance R2, third
Resistance R3, first capacitor C1, the second capacitor C2 and third capacitor C3, in which: first capacitor C1 and the second capacitor C2 are serially connected
Be followed by between input adapter and out splice going splice；What first resistor R1 and second resistance R2 was serially connected is followed by input adapter
Between outlet, the series electrical of the series circuit parallel connection first capacitor C1 and the second capacitor C2 of first resistor R1 and second resistance R2
Road；One end of third capacitor C3 is grounded, and the other end of third capacitor C3 is connected between first resistor R1 and second resistance R2
On circuit；One end of 3rd resistor R3 is grounded, the other end of 3rd resistor R3 be connected to first capacitor C1 and the second capacitor C2 it
Between circuit on.
Component value in the present embodiment, R1=R2=R；C1=C2=C；R3=0.5R；C3=2C.Wherein, R, C
Value will meet f=1/2 π RC=50Hz.Specific value is as follows:
R=3.2k Ω, C=1 μ F, f=1/2*3.14*3200*0.000001=50 (Hz).
Embodiment two
As shown in Figure 1, a kind of wave detector exports adapter, the input adapter being arranged including shell, hull outside and output
Connector and the trap circuit of enclosure interior setting, in which: trap circuit is 50Hz trap circuit and is connected to connection input
Between connector and out splice going splice.Specifically, the input signal of input adapter tie geophone, out splice going splice connects acquisition station.
As shown in figure 3, trap circuit is for active notch filter circuit and including the 4th resistance R4, the 5th resistance R5, the 6th
Resistance R6, the 7th resistance R7, the 8th resistance R8, the 4th capacitor C4, the 5th capacitor C5, the 6th capacitor C6 and amplifier A, in which:
What the 4th capacitor C4 and the 5th capacitor C5 was serially connected is followed by between input adapter and amplifier A anode input port；4th electricity
Being followed by between input adapter and amplifier A anode input port of being serially connected of resistance R4 and the 5th resistance R5, the 4th resistance R4 and
The series circuit of the 4th capacitor C4 and the 5th capacitor C5 of series circuit parallel connection of 5th resistance R5；A termination of 6th capacitor C6
Ground, the other end of the 6th capacitor C6 are connected on the circuit between the 4th resistance R4 and the 5th resistance R5；6th resistance R6 connection
Between amplifier A cathode input port and out splice going splice；7th resistance R7 is connected between amplifier A cathode input port and ground；
One end of 8th resistance R8 connects out splice going splice, the other end of the 8th resistance R8 be connected to the 4th capacitor C4 and the 5th capacitor C5 it
Between circuit on；Out splice going splice connects amplifier A delivery outlet.
Wherein, A is operational amplifier A, and A, R1 and R2 constitute input reversed feedback amplifier A in the same direction.
Fig. 4 is after installing this adapter, and the technical effect figure that 50Hz frequency information is attenuated to relatively large extent can be clear from figure
Find out wave detector proposed by the present invention output adapter 50Hz at apparent trap function.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (4)
1. a kind of wave detector exports adapter, which is characterized in that the input adapter and output being arranged including shell, hull outside connect
Head and the trap circuit of enclosure interior setting, in which: the trap circuit is 50Hz trap circuit and is connected to described defeated
Enter between connector and out splice going splice.
2. wave detector according to claim 1 exports adapter, which is characterized in that the trap circuit falls into for passive power frequency
Wave circuit and including first resistor, second resistance, 3rd resistor R3, first capacitor, the second capacitor and third capacitor, in which:
What the first capacitor and the second capacitor were serially connected is followed by between input adapter and out splice going splice；
What the first resistor and second resistance were serially connected is followed by between input adapter and outlet, first resistor and the second electricity
The series circuit of the series circuit of the resistance first capacitor and the second capacitor in parallel；
One end of the third capacitor is grounded, and the other end of third capacitor is connected to the circuit between first resistor and second resistance
On；
One end of the 3rd resistor R3 is grounded, and the other end of 3rd resistor R3 is connected between first capacitor and the second capacitor
On circuit.
3. wave detector according to claim 1 exports adapter, which is characterized in that the trap circuit falls into for active power frequency
Wave circuit and including the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 8th resistance, the 4th capacitor, the 5th capacitor,
6th capacitor and amplifier, in which:
What the 4th capacitor and the 5th capacitor were serially connected is followed by between input adapter and amplifier anode input port；
What the 4th resistance and the 5th resistance were serially connected is followed by between input adapter and amplifier anode input port, and the 4th
The series circuit of the series circuit of resistance and the 5th resistance the 4th capacitor and the 5th capacitor in parallel；
One end of 6th capacitor is grounded, and the other end of the 6th capacitor is connected to the circuit between the 4th resistance and the 5th resistance
On；
6th resistance is connected between amplifier cathode input port and out splice going splice；
7th resistance is connected between amplifier cathode input port and ground；
One end of 8th resistance connects out splice going splice, the other end of the 8th resistance be connected to the 4th capacitor and the 5th capacitor it
Between circuit on；
The out splice going splice connects amplifier delivery outlet.
4. wave detector according to claim 2 or 3 exports adapter, which is characterized in that the input adapter and output connect
Head is two core waterproof connectors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820908336.1U CN208705485U (en) | 2018-06-12 | 2018-06-12 | A kind of wave detector output adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820908336.1U CN208705485U (en) | 2018-06-12 | 2018-06-12 | A kind of wave detector output adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208705485U true CN208705485U (en) | 2019-04-05 |
Family
ID=65936013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820908336.1U Expired - Fee Related CN208705485U (en) | 2018-06-12 | 2018-06-12 | A kind of wave detector output adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208705485U (en) |
-
2018
- 2018-06-12 CN CN201820908336.1U patent/CN208705485U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 |