CN208873277U - Radio transmitting device and its acceleration transducer and mining Microseismic monitoring system - Google Patents
Radio transmitting device and its acceleration transducer and mining Microseismic monitoring system Download PDFInfo
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- CN208873277U CN208873277U CN201821561201.9U CN201821561201U CN208873277U CN 208873277 U CN208873277 U CN 208873277U CN 201821561201 U CN201821561201 U CN 201821561201U CN 208873277 U CN208873277 U CN 208873277U
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Abstract
The utility model discloses a kind of radio transmitting devices, including emitting portion power module, transmitting signal conditioning circuit, signal sending circuit, receiving portion power module, signal receiving circuit and receiving signal to manage circuit；Emitting portion power module and the power supply of receiving portion power module；Transmitting signal conditioning circuit obtains the output signal of acceleration transducer and is output to signal sending circuit after carrying out signal condition；Signal is wirelessly transmitted to signal receiving circuit by signal sending circuit；Signal receiving circuit receives signal and issues receiving signal reason circuit；Receiving signal reason circuit, which will connect after signal carries out signal condition, is uploaded to data collecting instrument.The invention also discloses include the radio transmitting device acceleration transducer and include the radio transmitting device and acceleration transducer mining Microseismic monitoring system.The utility model realizes the wireless data transmission of acceleration transducer, and low in cost and safe and reliable.
Description
Technical field
The utility model is more particularly to a kind of radio transmitting device and its acceleration transducer and mining Microseismic monitoring system.
Background technique
With the development of economic technology, China also increasingly payes attention to geological prospecting.In mine outdoor high gradient slope with
It produces in the monitoring works technical problems such as rock masses fracturing, destruction and landslide failure, the avalanche of step, especially adopts to turn to reveal in hole and adopt
Surface mine production step rock stability monitoring works technical problem in, when using micro seismic monitoring means carry out safety
When monitoring and warning, existing sensor signal transmission is all by the way of wired, using a signal shielding cable, with surface
The mode analog signal transmission to data collecting instrument that generates acceleration type sensor in.Moreover, sensor is acquired to data
The distance of instrument is conditional.Therefore, existing measurement process is all needed together with all detection devices including data collecting instrument
It installs at the scene.And the very unsuitable above-mentioned engineer application environment of technical solution of such a signal transmission: because, dew
The regular explosion that will do it certain explosive payload of its stope, slungshot, seismic wave and the air-shock wave that explosion generates are to signal
Cable and data collecting instrument often will cause serious destruction.In addition before and after explosion, in order to protect signal cable to adopt with data
The safety for collecting instrument needs signal cable and data collecting instrument moving on to home, allows for monitoring device in this way and miss greatly
This important monitoring time window phase of rock mass stress state change dramatically before and after explosion.
Utility model content
One of the purpose of this utility model is that providing one kind can wirelessly be sent out the signal of acceleration type sensor
It send, and radio transmitting device low in cost and safe and reliable.
The two of the purpose of this utility model be to provide it is a kind of include the radio transmitting device acceleration type sensing
Device.
The three of the purpose of this utility model are that providing one kind includes the radio transmitting device and acceleration type sensing
The mining Microseismic monitoring system of device.
This radio transmitting device provided by the utility model, including emitting portion power module, transmitting signal condition electricity
Road, signal sending circuit, receiving portion power module, signal receiving circuit and receiving signal manage circuit；Emit signal condition
Circuit, signal sending circuit, signal receiving circuit and receiving signal reason circuit are sequentially connected in series；Emitting portion power module is used for
It powers to the transmitting signal conditioning circuit and signal sending circuit；Receiving portion power module is used to receive electricity to the signal
Road and receiving signal reason circuit power supply；Transmitting signal conditioning circuit is used to connect the output signal of acceleration transducer, obtains
The signal of acceleration transducer output is simultaneously output to signal sending circuit after carrying out signal condition；Signal sending circuit will be for that will adjust
The signal of acceleration transducer after reason is sent to signal receiving circuit by wireless signal；Signal receiving circuit is for receiving nothing
The signal for the acceleration transducer that line is sent, and received signal is issued to receiving signal reason circuit；Receiving signal reason
Circuit is used to be uploaded to data collecting instrument after the signal received is carried out signal condition.
The signal sending circuit is the circuit being made of the wireless sending module of model CZE-7C.
The signal receiving circuit is the circuit being made of the wireless receiving module of model CZE-R03.
The transmitting signal conditioning circuit includes inputting positive protective resistance, inputting positive current-limiting resistance, input anode
Protection diode, the positive impedance matching resistor of input, input cathode protective resistance, input cathode current-limiting resistance, input cathode guarantor
Protect diode, input cathode impedance build-out resistor, signal sending circuit power supply circuit, subtraction circuit and voltage follower electricity
Road；The difference positive signal of acceleration transducer passes through the positive limit of input of concatenation by inputting positive protective resistance ground connection
After leakage resistance, by inputting positive protection diode ground connection, just simultaneously also by the positive impedance matching resistor connection power supply of input
Pole is also connected with the input anode of subtraction circuit；The difference negative signal of acceleration transducer passes through input cathode protective resistance
Ground connection, and after the input cathode current-limiting resistance by concatenating, by input negative and positive pole protection diode ground connection, simultaneously also by defeated
Enter cathode impedance build-out resistor ground connection, is also connected with the input cathode of subtraction circuit；Subtraction circuit carries out the signal of input
Export final acceleration transducer signals after subtraction by voltage follower again；Signal sending circuit power supply circuit is used for
It obtains the external power supply signal accessed and carries out providing power supply for signal sending circuit after power supply signal pressure stabilizing.
The subtraction circuit is the subtraction circuit being made of operational amplifier.
The voltage follower circuit is the common collector amplifying circuit being made of triode.
The receiving signal reason circuit includes receiving signal input coupling capacitor, reception voltage signal follower electricity
Road receives signal output coupling capacitor, differential signal output cathode circuit, differential signal output negative pole circuit and output coupling electricity
Hold；After received signal enters route by reception signal input coupling capacitive coupling, then pass through reception voltage signal follower
It is divided into two paths of signals after carrying out voltage follow, then after being coupled again by reception signal output coupling capacitor: first via letter
Number difference positive signal is enlarged by differential signal output cathode circuit, second road signal passes through differential signal output negative pole electricity
Road is enlarged into difference negative signal；Difference positive signal and difference negative signal are obtained again by after respective output coupling capacitor
To final acceleration transducer output difference signal and be uploaded to data collecting instrument.
The reception voltage signal follower circuit is the common collector amplifying circuit being made of triode.
The differential signal output cathode circuit is the in-phase proportion amplification electricity being made of amplifier and reference voltage signal
Road.
The differential signal output negative pole circuit is the reverse phase ratio enlargement electricity being made of amplifier and reference voltage signal
Road.
The utility model additionally provides a kind of acceleration transducer, which includes the wireless transmission
Device.
The utility model additionally provides a kind of mining Microseismic monitoring system, and Microseismic monitoring system that this is mining includes described
Radio transmitting device and acceleration type sensor.
This radio transmitting device and its acceleration transducer provided by the utility model and mining Microseismic monitoring system are led to
Simple and reliable circuit design is crossed, is realized to the wireless transmission processing of the sensing data of acceleration transducer output, wirelessly hair
It send and reception is handled；Therefore this radio transmitting device of the utility model can lead to the signal that acceleration transducer exports
It crosses and wirelessly sends and receives, realize the wireless data transmission of acceleration transducer, and the utility model is at low cost
It is honest and clean and safe and reliable.
Detailed description of the invention
Fig. 1 is the radio transmitting device functional block diagram of the utility model.
Fig. 2 is the circuit theory schematic diagram of the signal sending circuit of the radio transmitting device of the utility model.
Fig. 3 is the circuit theory schematic diagram of the signal receiving circuit of the radio transmitting device of the utility model.
Specific embodiment
It is as shown in Figure 1 the radio transmitting device functional block diagram of the utility model: this nothing provided by the utility model
Line transmitting device, including emitting portion power module, transmitting signal conditioning circuit, signal sending circuit, receiving portion power supply mould
Block, signal receiving circuit and receiving signal manage circuit；Emit signal conditioning circuit, signal sending circuit, signal receiving circuit
It is sequentially connected in series with receiving signal reason circuit；Emitting portion power module is used to send out to the transmitting signal conditioning circuit and signal
The power supply of power transmission road；Receiving portion power module is used for the signal receiving circuit and receiving signal reason circuit power supply；Transmitting
Signal conditioning circuit is used to connect the output signal of acceleration transducer, obtains the signal of acceleration transducer output and carries out letter
Number conditioning after be output to signal sending circuit；Signal sending circuit is used to the signal of the acceleration transducer after conditioning passing through nothing
Line signal is sent to signal receiving circuit；Signal receiving circuit is used to receive the signal of the acceleration transducer of wireless transmission, and
Received signal is issued to receiving signal reason circuit；Receiving signal reason circuit is used to the signal received carrying out signal
Data collecting instrument is uploaded to after conditioning.
In the specific implementation, signal sending circuit can be using the electricity being made of the wireless sending module of model CZE-7C
Road.Signal receiving circuit can be using the circuit being made of the wireless receiving module of model CZE-R03.
It is illustrated in figure 2 the circuit theory schematic diagram of the signal sending circuit of the radio transmitting device of the utility model: hair
Penetrating signal conditioning circuit includes inputting positive protective resistance VR1, inputting positive current-limiting resistance R1, input positive protection diode
D1, positive impedance matching resistor R3, input cathode protective resistance VR2, input cathode current-limiting resistance R2, input cathode protection are inputted
Diode D2, input cathode impedance build-out resistor R4, signal sending circuit power supply circuit, subtraction circuit and voltage follower electricity
Road；It includes voltage stabilizing chip U1 (model L7805), input filter capacitor C1 and C4, protection two that synchronous signal, which sends power supply circuit,
Pole pipe D3 and output filter capacitor C3 and C6；Subtraction circuit then includes amplifier U2A (model OPA2350) and corresponding
Resistance R5~R8；Voltage follower circuit then include coupled capacitor C10, triode Q1, follower input pull down resistor R10 and with
With the common collector amplifying circuit of device output pull down resistor R9, the voltage follower triode used；The difference of acceleration transducer
Point positive signal by inputting positive protective resistance ground connection, and by the input anode current-limiting resistance of concatenation after, by inputting just
Pole protection diode ground connection, simultaneously also by positive impedance matching resistor connection positive pole is inputted, (input power anode is being schemed
In be denoted as+24V), be also connected with subtraction circuit input anode；The difference negative signal of acceleration transducer is negative by input
Pole protective resistance ground connection, and after the input cathode current-limiting resistance by concatenating, by input negative and positive pole protection diode ground connection, together
When also by input cathode impedance build-out resistor ground connection, be also connected with the input cathode of subtraction circuit；Subtraction circuit will input
Signal carry out subtraction (including signal is subjected to subtraction, while being also reduced into original signal level 1/5 in figure)
Export final acceleration transducer signals Sin by voltage follower again afterwards；Signal sending circuit power supply circuit is for obtaining
The power supply signal of outside access simultaneously carries out providing power supply for signal sending circuit after power supply signal pressure stabilizing: wherein externally input+
24V power supply is filtered by capacitor C1 and C4 again after passing through protection diode D3, subsequently into voltage stabilizing chip L7805, passes through chip
Again by exporting stable 5V power supply signal after pressure stabilizing, after C3 and C6 ground connection filtering, final VCC power supply signal is obtained.
It is as described in Figure 3 the circuit theory schematic diagram of the signal receiving circuit of the radio transmitting device of the utility model: connects
If main line can be had by receiving signal conditioning circuit, for receiving multiple signals simultaneously；It includes receiving signal that receiving signal, which manages circuit,
Input coupling capacitor C2, it reception voltage signal follower circuit (including resistance R18, R24 and R4 and triode Q2), receives
Signal output coupling capacitor C10, differential signal output cathode circuit, differential signal output negative pole circuit and output coupling capacitor；
Received signal is carried out by receiving after signal input coupling capacitive coupling enters route, then by reception voltage signal follower
Be divided into two paths of signals after voltage follow, then after being coupled again by reception signal output coupling capacitor: first via signal is logical
It crosses differential signal output cathode circuit and is enlarged into difference positive signal, second road signal is put by differential signal output negative pole circuit
Greatly difference negative signal；Difference positive signal and difference negative signal after respective output coupling capacitor again by obtaining most
The output difference signal of whole acceleration transducer is simultaneously uploaded to data collecting instrument.
Specifically, after received signal is coupled into route by C2, by by resistance R18, R24 and R4 and triode
After the common-collector circuit (effect is similar with voltage follower) that Q2 is constituted carries out voltage follow, then by being coupled after capacitor C10
Into route, be then divided into two-way: signal passes through by amplifier U2A (model OPA2350), resistance R31, R42 and R12 structure all the way
At differential signal output negative pole circuit；The road differential signal output negative pole circuit is reversed scaling circuit, will input
Signal reversely amplify 5 times, while reference voltage signal (2.5V is indicated in figure) is for providing bias voltage；Likewise, second
Road signal passes through the differential signal output cathode circuit that is made of U2B (model OPA2350), resistance R32, R48 and R54；It should
Differential signal output cathode circuit is scaling circuit in the same direction, and the signal of input is amplified 5 times in the same direction；By in the same direction and reversed
After the signal of amplification is coupled by respective coupled capacitor (C12 and C11) again, the acceleration transducer of wireless transmission will be passed through
Signal is restored, and is output to data collecting instrument by interface J10.
Claims (10)
1. a kind of radio transmitting device, it is characterised in that including emitting portion power module, transmitting signal conditioning circuit, signal hair
Power transmission road, receiving portion power module, signal receiving circuit and receiving signal manage circuit；Emit signal conditioning circuit, signal
Transmitting line, signal receiving circuit and receiving signal reason circuit are sequentially connected in series；Emitting portion power module is used for the hair
Penetrate signal conditioning circuit and signal sending circuit power supply；Receiving portion power module is used for the signal receiving circuit and reception
Signal conditioning circuit power supply；Transmitting signal conditioning circuit is used to connect the output signal of acceleration transducer, obtains acceleration and passes
The signal of sensor output is simultaneously output to signal sending circuit after carrying out signal condition；Signal sending circuit is for adding after improving
The signal of velocity sensor is sent to signal receiving circuit by wireless signal；Signal receiving circuit is used to receive wireless transmission
The signal of acceleration transducer, and received signal is issued to receiving signal reason circuit；Receiving signal reason circuit is used for
Data collecting instrument is uploaded to after the signal received is carried out signal condition.
2. radio transmitting device according to claim 1, it is characterised in that the transmitting signal conditioning circuit includes defeated
Enter positive protective resistance, inputs positive current-limiting resistance, input positive protection diode, input positive impedance matching resistor, input
Cathode protective resistance, input cathode current-limiting resistance, input cathode protection diode, input cathode impedance build-out resistor, signal hair
Power transmission road power supply circuit, subtraction circuit and voltage follower circuit；The difference positive signal of acceleration transducer passes through input
Positive protective resistance ground connection, and after the input anode current-limiting resistance by concatenating, by inputting positive protection diode ground connection, together
When connect positive pole also by inputting positive impedance matching resistor, be also connected with the input anode of subtraction circuit；Acceleration passes
The difference negative signal of sensor leads to by input cathode protective resistance ground connection, and after the input cathode current-limiting resistance by concatenating
Input negative and positive pole protection diode ground connection is crossed, simultaneously also by input cathode impedance build-out resistor ground connection, is also connected with subtracter electricity
The input cathode on road；Subtraction circuit adds by the way that voltage follower output is final again after the signal of input is carried out subtraction
Speed sensor signal；Signal sending circuit power supply circuit is used to obtain the power supply signal of external access and to carry out power supply signal steady
Power supply is provided after pressure for signal sending circuit.
3. radio transmitting device according to claim 2, it is characterised in that the subtraction circuit is by operation amplifier
The subtraction circuit that device is constituted.
4. radio transmitting device according to claim 2, it is characterised in that the voltage follower circuit is by three poles
The common collector amplifying circuit that pipe is constituted.
5. radio transmitting device described according to claim 1 ~ one of 4, it is characterised in that the receiving signal manages circuit
Including receiving signal input coupling capacitor, reception voltage signal follower circuit, receiving signal output coupling capacitor, differential signal
Output cathode circuit, differential signal output negative pole circuit and output coupling capacitor；Received signal inputs coupling by receiving signal
It closes after capacitive coupling enters route, then after carrying out voltage follow by reception voltage signal follower, then defeated by receiving signal
Be divided into two paths of signals after coupled capacitor is coupled again out: first via signal is enlarged by differential signal output cathode circuit
Difference positive signal, second road signal are enlarged into difference negative signal by differential signal output negative pole circuit；Difference anode letter
Number and difference negative signal again by obtaining the output difference of final acceleration transducer after respective output coupling capacitor
Signal is simultaneously uploaded to data collecting instrument.
6. radio transmitting device according to claim 5, it is characterised in that the reception voltage signal follower circuit
For the common collector amplifying circuit being made of triode.
7. radio transmitting device according to claim 5, it is characterised in that the differential signal output cathode circuit is
The in-phase proportion amplifying circuit being made of amplifier and reference voltage signal.
8. radio transmitting device according to claim 5, it is characterised in that the differential signal output negative pole circuit is
The reverse phase scaling circuit being made of amplifier and reference voltage signal.
9. a kind of acceleration transducer, it is characterised in that include radio transmitting device described in one of claim 1 ~ 8.
10. a kind of mining Microseismic monitoring system, it is characterised in that include radio transmitting device described in one of claim 1 ~ 8
With acceleration transducer as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821561201.9U CN208873277U (en) | 2018-09-25 | 2018-09-25 | Radio transmitting device and its acceleration transducer and mining Microseismic monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821561201.9U CN208873277U (en) | 2018-09-25 | 2018-09-25 | Radio transmitting device and its acceleration transducer and mining Microseismic monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208873277U true CN208873277U (en) | 2019-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821561201.9U Active CN208873277U (en) | 2018-09-25 | 2018-09-25 | Radio transmitting device and its acceleration transducer and mining Microseismic monitoring system |
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|---|---|
| CN (1) | CN208873277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113038056A (en) * | 2021-05-28 | 2021-06-25 | 智道网联科技(北京)有限公司 | Video data transmission circuit |
-
2018
- 2018-09-25 CN CN201821561201.9U patent/CN208873277U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113038056A (en) * | 2021-05-28 | 2021-06-25 | 智道网联科技(北京)有限公司 | Video data transmission circuit |
| CN113038056B (en) * | 2021-05-28 | 2021-10-22 | 智道网联科技(北京)有限公司 | Video data transmission circuit |
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