CN209387781U - Mining guiding feed sensor - Google Patents
Mining guiding feed sensor Download PDFInfo
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- CN209387781U CN209387781U CN201822185401.5U CN201822185401U CN209387781U CN 209387781 U CN209387781 U CN 209387781U CN 201822185401 U CN201822185401 U CN 201822185401U CN 209387781 U CN209387781 U CN 209387781U
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Abstract
The utility model discloses a kind of mining guiding feed sensors, including inductive probe, high-tension shielding cable, sensor main body in insulator, inductive probe includes inductor, resistance R1, capacitor C1, technotron Q0 in the insulator, and sensor main body includes resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, capacitor C2, diode D1, diode D2, voltage-stabiliser tube D3, light emitting diode D4, operational amplifier Q1, operational amplifier Q2, isolated power supply；Signal in the insulator between inductive probe and sensor main body is transmitted using high-tension shielding cable.The sensor main body of the utility model feeding message by cable the accurate transmission to sensor host machine processing, accurate measurements equipment have electricity or without electric working condition, and be suitable for feed detection is carried out to distribution box inside.
Description
Technical field
The utility model relates to a kind of sensor more particularly to a kind of mining guiding feed sensors, belong to mining set
Standby technical field.
Background technique
There are a large amount of electrical equipments in down-hole mining operations area, and feed sensor has electricity or without electrician for monitoring device
Make state, to judging that underground equipment state and security implications are great.Common feed sensor is articulated on cable, this side
Formula has inconvenience when carrying out feed detection to distribution box inside.Therefore, a kind of mining guiding feed sensor is developed,
Accurate measurements equipment have electricity or without electric working condition, and be suitable for feed detection is carried out to distribution box inside, have it is important
Meaning.
Utility model content
The purpose of this utility model is to provide a kind of mining guiding feed sensors, are popped one's head in using decoupled sensor
With main body, extended with cable connection, convenient for sensor probe is flexibly extend into inside detected cable or distribution box.Using only
Special signal processing circuit gives sensor host machine processing by cable the accurate transmission feeding message, to solve feed inside distribution box
Measure problem.
The purpose of this utility model is achieved by the following technical programs:
A kind of mining guiding feed sensor, including inductive probe 1, high-tension shielding cable 2, sensor master in insulator
Body 3, inductive probe 1 includes inductor 5, resistance R1, capacitor C1, technotron Q0, sensor main body in the insulator
Including resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, capacitor C2, diode D1, diode
D2, voltage-stabiliser tube D3, light emitting diode D4, operational amplifier Q1, operational amplifier Q2, isolated power supply 4；The resistance R1 and capacitor
C1 is in parallel, and one end of parallel circuit connects the grid of technotron Q0, and the other end of parallel circuit meets technotron Q0
Source electrode, the inductor 5 is connected with the grid of technotron Q0, one end of the capacitor C2 and technotron Q0
Drain electrode be connected, the other end of the capacitor C2 is connected with the inverting input terminal of operational amplifier Q1, one end of the resistance R2
It is connected with the drain electrode of technotron Q0, the other end of the resistance R2 is connected with 4 anode of isolated power supply, the resistance R6's
One end is connected with 4 anode of isolated power supply, and the other end of resistance R6 is connected with the normal phase input end of operational amplifier Q1, the pressure stabilizing
The anode of pipe D3 is connected with the source electrode of technotron Q0, and the positive of the cathode and operational amplifier Q1 of the voltage-stabiliser tube D3 is defeated
Enter end to be connected, the anode of the diode D2 is connected with the inverting input terminal of operational amplifier Q1, the anode of the diode D1
It is connected with the output end of operational amplifier Q1, the cathode of the diode D1 is connected with one end of resistance R3, and resistance R3's is another
End is connected with the inverting input terminal of operational amplifier Q1, and one end of the resistance R4 is connected with the cathode of diode D1, resistance R4
The other end be connected with the one end resistance R5, the resistance R5 other end is connected with the anode of voltage-stabiliser tube D3, the operational amplifier Q2's
Inverting input terminal is connected with the cathode of voltage-stabiliser tube D3, and the normal phase input end of the operational amplifier Q2 is connected to resistance R4 and resistance
Between R5, the isolated power supply 4 is operational amplifier Q2 power supply, and one end of the resistance R8 is connected with 4 anode of isolated power supply, electricity
The other end of resistance R8 is connected with the output end of operational amplifier Q2, one end of the resistance R7 and the output end of operational amplifier Q2
It is connected, the other end of resistance R7 is connected with the anode of light emitting diode D4, the minus earth of the light emitting diode D4；It is described exhausted
Signal in edge body between inductive probe 1 and sensor main body 3 is transmitted using high-tension shielding cable 2.
The purpose of this utility model can also be further realized by following technical measures:
Aforementioned mining guiding feed sensor, wherein the pressure stabilizing value of voltage-stabiliser tube D3 is 2.5V.
Aforementioned mining guiding feed sensor, wherein the model LM358 of operational amplifier Q1, operational amplifier Q2.
Aforementioned mining guiding feed sensor, wherein the model 2SK30 of technotron Q0.
Compared with prior art, the utility model has the beneficial effects that feeding message is passed through cable standard by sensor main body
Really pass to sensor host machine processing, accurate measurements equipment have electricity or without electric working condition, and be suitable for in distribution box
Portion carries out feed detection.
Detailed description of the invention
Fig. 1 is the circuit diagram of the utility model.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, the mining guiding feed sensor of the utility model, including inductive probe 1, high pressure in insulator
Shielded cable 2, sensor main body 3, inductive probe 1 includes inductor 5, resistance R1, capacitor C1, junction type field effect in the insulator
Should pipe Q0, sensor main body include resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, capacitor C2,
Diode D1, diode D2, voltage-stabiliser tube D3, light emitting diode D4, operational amplifier Q1, operational amplifier Q2, isolated power supply 4；
Wherein the pressure stabilizing value of voltage-stabiliser tube D3 is 2.5V, the model LM358 of operational amplifier Q1, operational amplifier Q2, junction field
The model 2SK30 of pipe Q0.The resistance R1 and capacitor C1 are in parallel, and one end of parallel circuit connects the grid of technotron Q0
Pole, the other end of parallel circuit connect the source electrode of technotron Q0, the grid phase of the inductor 5 and technotron Q0
Even, one end of the capacitor C2 is connected with the drain electrode of technotron Q0, the other end and operational amplifier of the capacitor C2
The inverting input terminal of Q1 is connected, and one end of the resistance R2 is connected with the drain electrode of technotron Q0, and the resistance R2's is another
4 anode of one end and isolated power supply is connected, one end of the resistance R6 with isolated power supply 4 is positive is connected, the other end of resistance R6 and
The normal phase input end of operational amplifier Q1 is connected, and the anode of the voltage-stabiliser tube D3 is connected with the source electrode of technotron Q0, institute
The cathode for stating voltage-stabiliser tube D3 is connected with the normal phase input end of operational amplifier Q1, the anode and operational amplifier of the diode D2
The inverting input terminal of Q1 is connected, and the anode of the diode D1 is connected with the output end of operational amplifier Q1, the diode D1
Cathode be connected with one end of resistance R3, the other end of resistance R3 is connected with the inverting input terminal of operational amplifier Q1, the electricity
Resistance R4 one end be connected with the cathode of diode D1, the other end of resistance R4 is connected with the one end resistance R5, the resistance R5 other end and
The anode of voltage-stabiliser tube D3 is connected, and the inverting input terminal of the operational amplifier Q2 is connected with the cathode of voltage-stabiliser tube D3, the operation
The normal phase input end of amplifier Q2 is connected between resistance R4 and resistance R5, and the isolated power supply 4 is operational amplifier Q2 power supply,
One end of the resistance R8 is connected with 4 anode of isolated power supply, and the other end of resistance R8 is connected with the output end of operational amplifier Q2,
One end of the resistance R7 is connected with the output end of operational amplifier Q2, the other end of resistance R7 and the anode of light emitting diode D4
It is connected, the minus earth of the light emitting diode D4；Signal in the insulator between inductive probe 1 and sensor main body 3
It is transmitted using high-tension shielding cable 2.
When in order to solve the problems, such as that the prior art carries out feed detection to distribution box inside, the mining guidance of the utility model
Formula feed sensor is divided into inductive probe 1 in insulator, high-tension shielding cable 2,3 three parts of sensor main body, insulator inner sense
It should pop one's head in and 1 flexibly extend into inside detected cable position or distribution box, sensor main body 3 and probe separation are dry in order to eliminate
It disturbs, feeding message is accurately passed to sensor host machine processing, use high-tension shielding cable connection, and sensor between the two
3 part of main body carries out special designing, and the specific working principle is as follows: 5 induction cable of inductor or distribution box electric signal, resistance R1 are adopted
With high resistance measurement, Q0 is allowed to have proper operation state.Capacitor C1 is filtered high-frequency interferencing signal, prevents interference signal from altering
Enter.Technotron Q0 amplifies signal, then transmits a signal to sensor main body 3 by high-tension shielding cable 2.
Power supply provides operating current to Q1 by resistance R2, and capacitor C2 takes AC signal input operational amplifier Q1, the operation amplifier
Device Q1, diode D1, diode D2 constitute precision rectifer, export direct current signal, the voltage-stabiliser tube D3 is operation amplifier simultaneously
Device Q1, operational amplifier Q2 provide the pressure stabilizing benchmark of 2.5V, and resistance R4, resistance R5 divide operational amplifier Q1 output,
When inductor 5 senses that cable or distribution box have electric signal, it is defeated that the normal phase input end voltage of operational amplifier Q2 is greater than reverse phase
Enter end, operational amplifier Q2 output is positive, and light emitting diode D4 is lighted, and shows that cable or distribution box have electricity；When inductor 5 is not felt
When should arrive cable or distribution box electric signal, the inverting input terminal voltage of operational amplifier Q2 is greater than normal phase input end, operation amplifier
Device Q2 output is negative, and light emitting diode D4 extinguishes, and operational amplifier Q2 plays comparator in the circuit.
In addition to the implementation, the utility model can also have other embodiments, all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, is all fallen in the protection scope of the requires of the utility model.
Claims (4)
1. a kind of mining guiding feed sensor, which is characterized in that including inductive probe in insulator, high-tension shielding cable,
Sensor main body, inductive probe includes inductor, resistance R1, capacitor C1, technotron Q0, sensor in the insulator
Main body includes resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, capacitor C2, diode D1, two poles
Pipe D2, voltage-stabiliser tube D3, light emitting diode D4, operational amplifier Q1, operational amplifier Q2, isolated power supply；The resistance R1 and electricity
It is in parallel to hold C1, one end of parallel circuit connects the grid of technotron Q0, and the other end of parallel circuit connects technotron
The source electrode of Q0, the inductor are connected with the grid of technotron Q0, one end of the capacitor C2 and technotron
The drain electrode of Q0 is connected, and the other end of the capacitor C2 is connected with the inverting input terminal of operational amplifier Q1, and the one of the resistance R2
End is connected with the drain electrode of technotron Q0, and the other end of the resistance R2 is connected with isolated power supply anode, the resistance R6
One end be connected with isolated power supply anode, the other end of resistance R6 is connected with the normal phase input end of operational amplifier Q1, described steady
The anode of pressure pipe D3 is connected with the source electrode of technotron Q0, the cathode of the voltage-stabiliser tube D3 and the positive of operational amplifier Q1
Input terminal is connected, and the anode of the diode D2 is connected with the inverting input terminal of operational amplifier Q1, the sun of the diode D1
Pole is connected with the output end of operational amplifier Q1, and the cathode of the diode D1 is connected with one end of resistance R3, and resistance R3's is another
One end is connected with the inverting input terminal of operational amplifier Q1, and one end of the resistance R4 is connected with the cathode of diode D1, resistance
The other end of R4 is connected with the one end resistance R5, and the resistance R5 other end is connected with the anode of voltage-stabiliser tube D3, the operational amplifier Q2
Inverting input terminal be connected with the cathode of voltage-stabiliser tube D3, the normal phase input end of the operational amplifier Q2 be connected to resistance R4 and electricity
It hinders between R5, the isolated power supply is operational amplifier Q2 power supply, and one end of the resistance R8 is connected with isolated power supply anode, electricity
The other end of resistance R8 is connected with the output end of operational amplifier Q2, one end of the resistance R7 and the output end of operational amplifier Q2
It is connected, the other end of resistance R7 is connected with the anode of light emitting diode D4, the minus earth of the light emitting diode D4；It is described exhausted
Signal in edge body between inductive probe and sensor main body is transmitted using high-tension shielding cable.
2. mining guiding feed sensor as described in claim 1, which is characterized in that the pressure stabilizing value of the voltage-stabiliser tube D3 is
2.5V。
3. mining guiding feed sensor as described in claim 1, which is characterized in that the operational amplifier Q1, operation
The model LM358 of amplifier Q2.
4. mining guiding feed sensor as described in claim 1, which is characterized in that the type of the technotron Q0
Number be 2SK30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822185401.5U CN209387781U (en) | 2018-12-25 | 2018-12-25 | Mining guiding feed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822185401.5U CN209387781U (en) | 2018-12-25 | 2018-12-25 | Mining guiding feed sensor |
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| Publication Number | Publication Date |
|---|---|
| CN209387781U true CN209387781U (en) | 2019-09-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822185401.5U Active CN209387781U (en) | 2018-12-25 | 2018-12-25 | Mining guiding feed sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444647A (en) * | 2018-12-25 | 2019-03-08 | 镇江中煤电子有限公司 | Mining guiding feed sensor |
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2018
- 2018-12-25 CN CN201822185401.5U patent/CN209387781U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444647A (en) * | 2018-12-25 | 2019-03-08 | 镇江中煤电子有限公司 | Mining guiding feed sensor |
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