CN205580596U - Blasting vibration meter - Google Patents
Blasting vibration meter Download PDFInfo
- Publication number
- CN205580596U CN205580596U CN201620407019.2U CN201620407019U CN205580596U CN 205580596 U CN205580596 U CN 205580596U CN 201620407019 U CN201620407019 U CN 201620407019U CN 205580596 U CN205580596 U CN 205580596U
- Authority
- CN
- China
- Prior art keywords
- signal
- coupled
- blasting vibration
- vibration meter
- unit
- 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.)
- Active
Links
- 238000005422 blasting Methods 0.000 title claims abstract description 44
- 230000003321 amplification Effects 0.000 claims abstract description 27
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 230000003111 delayed effect Effects 0.000 claims description 12
- 230000004044 response Effects 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Landscapes
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The utility model discloses a blasting vibration meter, which solves the problem that the blasting vibration meter can not indicate whether the environment is in a strong magnetic field, and has the technical proposal that a detection element for detecting the magnetic field intensity in the environment is arranged on a shell, a signal amplification unit for amplifying a detection signal is coupled on the detection element, a comparison unit which is coupled with the signal amplification unit for receiving the amplification signal output by the signal amplification unit and comparing the amplification signal with a preset reference value signal to output a comparison signal, a control unit which is coupled with the comparison unit for receiving the comparison signal and outputting a control signal, and an indication unit which is coupled with the control unit for responding to the control signal to indicate, the blasting vibration meter of the utility model detects the magnetic field in the environment through the detection element, if the amplification signal is more than the reference value signal, the control indication unit works to indicate that the environment where the blasting vibration meter is located is not suitable for using the blasting vibration meter, please the user to take corresponding measures.
Description
Technical field
This utility model relates to precision instrument, particularly to Blasting Vibration Meter.
Background technology
Blasting Vibration Meter is that blasting vibration and impact signal are carried out long-time collection in worksite, the portable dedicated equipment recording and storing.A whole set of instrument is made up of collection in worksite monitor, speed or acceleration transducer and interpretation software.Instrument is joined directly together with sensor by signaling interface, is positioned over vibration-testing point, and collection site vibration signal also preserves；Being connected with PC by communication interface after explosion, interpretation software preserves data in reading monitor, and shows.Characteristic parameter analysis extraction and result printout.By being monitored blasting vibration, one is the feature that it will be seen that and grasp attenuation of seismic waves, propagation law and the impact on building, failure mechanism etc.；Two is can to adjust blasting parameter and construction method in time according to test result, formulates precautions against earthquakes, instructs shotfiring safety operation, it is to avoid or reduce the damaging effect of blasting vibration.
So the detection for Blasting Vibration Meter must be point-device, and some special environment there will be the situation of high-intensity magnetic field, and high-intensity magnetic field can produce far-reaching influence to electronic devices and components, the equipment the highest for precision then affects more weak, and for the equipment of high precision, then magnetic field intensity is had certain requirement, can not use in the environment of high-intensity magnetic field, the degree of accuracy of detection can be produced impact, and the Blasting Vibration Meter used at present does not has whether being in the device indicated in the environment of high-intensity magnetic field, so having certain room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of Blasting Vibration Meter that can indicate the environment of high-intensity magnetic field.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of Blasting Vibration Meter, including housing, described housing is provided with the detecting element for detecting the magnetic field intensity in local environment, the signal amplification unit for the detection signal detected by amplification detection element it is coupled with on described detecting element, it is coupled to signal amplification unit and is amplified signal with what reception signal amplification unit exported and be compared to each other to export the comparing unit of comparison signal with default reference value signal, be coupled to comparing unit with receive comparison signal and export control signal control unit and be coupled to control unit with in response to control signal to carry out the indicating member indicated.
Use such scheme, detecting element is to detect the magnetic field in this environment, and corresponding detection signal is amplified, again corresponding amplification signal criterion value signal is compared, if amplifying signal more than reference value signal, then control indicating member is operated and is not suitable for using Blasting Vibration Meter with the environment residing for instruction, please take countermeasure by user.
As preferably, described control unit is also coupled to the delay cutoff unit for time delayed turn-off Blasting Vibration Meter.
As preferably, described delay cutoff unit includes time delay portion and control portion, described time delay portion is coupled to control unit and with reception control signal and exports time delayed signal in response to control signal with time delay, and described control portion is coupled to time delay portion and in response to time delayed signal to close Blasting Vibration Meter.
As preferably, described time delay portion uses 555 delay circuits.
Use such scheme, time delay portion is controlled by control unit and exports a time delayed signal with time delay, make control portion time delay can disconnect Blasting Vibration Meter, staff no longer side when avoiding owing to being indicated by indicating member and take measures the most in time, by delay cutoff unit, Blasting Vibration Meter can be automatically cut off, improve safety when using, avoid device damage, simultaneously also be avoided that the data detected are interfered and are analyzed and cause misunderstanding, 555 delay circuit simple in construction and safeguard convenient.
As preferably, described time delay portion is coupled with the regulation portion for regulating delay time.
Use such scheme, delay time can be carried out free regulation, improve the convenient degree used, also adapt to more environment simultaneously.
As preferably, described signal amplification unit includes the first enlarging section, the second enlarging section and the 3rd enlarging section coupled successively, described first enlarging section is coupled to detecting element and detects signal to receive, and described 3rd enlarging section is coupled to comparing unit and amplifies signal to provide.
Use such scheme, signal can be amplified, it is to avoid the signal detected by detecting element is the faintest and cannot be carried out comparing, improve stability during signal transmission, reduce the produced impact of interference.
As preferably, described indicating member realizes instruction by light and/or sound.
Using such scheme, can carry out instruction by light can also be indicated by sound, the most also can be mutually combined light and sound and realize instruction, can be applied in more environment, improve utilization rate.
As preferably, described indicating member is light emitting device.
Using such scheme, light flash can effectively improve eye-catching degree, it is simple to user gets the information of instruction.
As preferably, described control unit includes switch element and executive component, described switch element is coupled to comparing unit to receive comparison signal output switching signal, and described executive component is coupled to switch element to open and close to control indicating member in response to switching signal.
As preferably, described executive component is relay, and the coil of described relay is parallel with fly-wheel diode.
Using such scheme, structure is more simple, and easily realizes, and relay is protected by fly-wheel diode, it is to avoid still have aftercurrent to burn out relay coil in coil after disconnecting relay coil.
In sum, this utility model has the advantages that
1, by detecting element to detect the magnetic field in this environment, if amplify signal more than reference value signal, then control indicating member is operated and is not suitable for using Blasting Vibration Meter with the environment residing for instruction.
Accompanying drawing explanation
Fig. 1 is the structural representation of Blasting Vibration Meter；
Fig. 2 is the circuit theory diagrams of signal amplification unit, comparing unit, control unit and indicating member；
Fig. 3 is the circuit theory diagrams of delay cutoff unit.
In figure: 1, housing；2, detecting element；3, signal amplification unit；4, comparing unit；5, control unit；6, indicating member；7, delay cutoff unit；71, time delay portion；72, control portion；73, regulation portion.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
The present embodiment one, disclosed a kind of Blasting Vibration Meter, including housing 1, housing 1 is provided with the detecting element 2 for detecting the magnetic field intensity in local environment, and detecting element 2 is preferably Hall element, and Hall voltage changes with the change of magnetic field intensity, magnetic field is the strongest, voltage is the highest, and magnetic field is the most weak, and voltage is the lowest, Hall voltage value is the least, generally only several millivolts, but the amplifier in integrated circuit amplifies, just can make this voltage amplification export stronger signal to being enough to.
Be coupled with on detecting element 2 for detected by amplification detection element 2 detection signal signal amplification unit 3, be coupled to signal amplification unit 3 with receive signal amplification unit 3 exported amplify signal and with default reference value signal be compared to each other to export comparison signal comparing unit 4, be coupled to comparing unit 4 with receive comparison signal and export control signal control unit 5 and be coupled to control unit 5 with in response to control signal to carry out the indicating member 6 indicated.I.e. when amplification signal is more than reference value signal, then control indicating member 6 is operated and is not suitable for using Blasting Vibration Meter with the environment residing for instruction.
Signal amplification unit 3 includes the first enlarging section, the second enlarging section and the 3rd enlarging section coupled successively, and the first enlarging section is coupled to detecting element 2 and detects signal to receive, and the 3rd enlarging section is coupled to comparing unit 4 and amplifies signal to provide.First enlarging section includes that audion Q4 and resistance R2, the base stage of described audion Q4 are coupled to Hall element, and colelctor electrode is coupled to resistance R2；Second enlarging section includes audion Q5 and the second resistance R3, and the base stage of audion Q5 is coupled to the emitter stage of audion Q4, and the colelctor electrode of audion Q5 is coupled to resistance R3；3rd enlarging section includes that audion Q6 and the 3rd resistance R4, the base stage of audion Q6 are coupled to the emitter stage of audion Q5, and the colelctor electrode of audion Q6 is coupled to resistance R4.Audion Q4, audion Q5, the model of audion Q6 are preferably arranged to BC547, and resistance R2 resistance is set to 1M ohm, and resistance R3 resistance is set to 100K Europe, and resistance R4 resistance is set to 220 Europe, and its gain is 8000000 ohm.
Comparing unit 4 is preferably the comparator of LM393A model, the in-phase end of comparing unit 4 is connected with the colelctor electrode of audion Q6 to receive detection signal, end of oppisite phase connects default reference value signal Vref, reference value signal Vref is arranged by resistance R1, is compared to each other with reference value signal by the detection signal detected, and exports comparison signal, when detection signal is more than reference value signal, the comparison signal of output high level, when detection signal is less than reference value signal, the comparison signal of output low level.
Control unit 5 includes switch element and executive component, and switch element is preferably the audion Q1 of NPN type, and executive component is preferably relay K M1, and the coil of relay K M1 is parallel with sustained diode 1.Switch element is coupled to comparing unit 4 to receive comparison signal output switching signal, and executive component is coupled to switch element to open and close to control indicating member 6 in response to switching signal.
Indicating member 6 realizes instruction by light and/or sound, it is preferred to use the mode that light and sound indicate simultaneously, and lamplight pointing uses light emitting device.
Light emitting device includes agitator, audion Q2 and warning lamp LED1, the controlled terminal of agitator connects power supply after being coupled to the normally opened contact of relay K M1, the outfan of agitator is coupled to the base stage of audion Q2, and control the break-make of audion Q2, the colelctor electrode of audion Q2 connects power supply after being connected to warning lamp LED1, the grounded emitter of audion Q2, when the normally opened contact of relay K M1 closes, make to control oscillator operation, export a control signal, control signal is square wave, control audion Q2 and replace break-make, so that the instruction of warning lamp LED1 discontinuity, realize the function of instruction.Sound instruction uses buzzer H, buzzer H to connect power supply after being connected to the normally opened contact of relay K M1.
By detecting element 2 so that the magnetic field in this environment is detected, and corresponding detection signal is amplified, again corresponding amplification signal criterion value signal is compared, if amplifying signal more than reference value signal, then comparing unit 4 exports the comparison signal of high level, and after the base stage of audion Q1 receives as the comparison signal of high level, audion Q1 turns on, and then it is electric to make the coil of relay K M1 obtain, control the normally opened contact Guan Bi of relay K M1, make to control oscillator operation, export a control signal, control signal is square wave, control audion Q2 and replace break-make, so that the instruction of warning lamp LED1 discontinuity, realize the function of lamplight pointing.Simultaneously after the normally opened contact Guan Bi of relay K M1, corresponding buzzer H also obtains realizing sound instruction.
Embodiment two, disclosed a kind of Blasting Vibration Meter, on the basis of embodiment one, control unit 5 is also coupled to the delay cutoff unit 7 for time delayed turn-off Blasting Vibration Meter.Delay cutoff unit 7 includes time delay portion 71 and control portion 72, time delay portion 71 is coupled to control unit 5 and with reception control signal and exports time delayed signal in response to control signal with time delay, and control portion 72 is coupled to time delay portion 71 and in response to time delayed signal to close Blasting Vibration Meter.
Time delay portion 71 uses 555 delay circuits.The annexation of 555 delay circuits is as shown in Figure 3, time delay portion 71 is coupled with the regulation portion 73 for regulating delay time, regulation portion 73 is preferably slide rheostat R6, the controlled end in time delay portion 71 is coupled to the normally opened contact of relay K M1 to receive control signal, and export time delayed signal, the controlled end of 555 chips is the second pin, therefore the normally opened contact of relay K M1 is connected to the second pin, when the normally opened contact of relay K M1 closes, it is then that the second pin is directly grounded to be transfused to a low level, time delay portion 71 triggers for low level, therefore time delay portion 71 starts, export high level within a certain period of time, realize the function of delayed start-up.
Control portion 72 includes audion Q3 and relay K M2 of NPN type, sustained diode 2 it is parallel with on the coil of relay K M2, the base stage of audion Q3 is connected to the outfan of 555 delay circuits, the colelctor electrode of audion Q3 is connected to the coil of relay K M2, grounded emitter, the normally-closed contact of relay K M2 connects with Blasting Vibration Meter to control its keying.
When audion Q3 receives high level signal, then audion Q3 conducting so that the coil of relay K M2 obtains electric, so that the normally-closed contact of relay K M2 is opened, to disconnect Blasting Vibration Meter.Avoid due to when being indicated by indicating member 6 staff no longer side and take measures the most in time, it is possible to by delay cutoff unit 7, Blasting Vibration Meter is automatically cut off.
Claims (10)
1. a Blasting Vibration Meter, including housing (1), it is characterized in that: described housing (1) is provided with the detecting element (2) for detecting the magnetic field intensity in local environment, the signal amplification unit (3) for the detection signal detected by amplification detection element (2) it is coupled with on described detecting element (2), it is coupled to signal amplification unit (3) and amplifies signal with receive that signal amplification unit (3) exported and be compared to each other to export the comparing unit (4) of comparison signal with default reference value signal, be coupled to comparing unit (4) with receive comparison signal and export control signal control unit (5) and be coupled to control unit (5) with in response to control signal to carry out the indicating member (6) indicated.
A kind of Blasting Vibration Meter the most according to claim 1, is characterized in that: be also coupled to the delay cutoff unit (7) for time delayed turn-off Blasting Vibration Meter in described control unit (5).
A kind of Blasting Vibration Meter the most according to claim 2, it is characterized in that: described delay cutoff unit (7) includes time delay portion (71) and control portion (72), described time delay portion (71) is coupled to control unit (5) to receive control signal and to export time delayed signal in response to control signal with time delay, and described control portion (72) is coupled to time delay portion (71) and in response to time delayed signal to close Blasting Vibration Meter.
A kind of Blasting Vibration Meter the most according to claim 3, is characterized in that: described time delay portion (71) uses 555 delay circuits.
A kind of Blasting Vibration Meter the most according to claim 4, is characterized in that: described time delay portion (71) is coupled with the regulation portion (73) for regulating delay time.
A kind of Blasting Vibration Meter the most according to claim 1, it is characterized in that: described signal amplification unit (3) includes the first enlarging section, the second enlarging section and the 3rd enlarging section coupled successively, described first enlarging section is coupled to detecting element (2) and detects signal to receive, and described 3rd enlarging section is coupled to comparing unit (4) and amplifies signal to provide.
A kind of Blasting Vibration Meter the most according to claim 1, is characterized in that: described indicating member (6) realizes instruction by light and/or sound.
A kind of Blasting Vibration Meter the most according to claim 7, is characterized in that: described indicating member (6) is light emitting device.
A kind of Blasting Vibration Meter the most according to claim 1, it is characterized in that: described control unit (5) includes switch element and executive component, described switch element is coupled to comparing unit (4) to receive comparison signal output switching signal, and described executive component is coupled to switch element to open and close to control indicating member (6) in response to switching signal.
A kind of Blasting Vibration Meter the most according to claim 9, is characterized in that: described executive component is relay, and the coil of described relay is parallel with fly-wheel diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620407019.2U CN205580596U (en) | 2016-05-06 | 2016-05-06 | Blasting vibration meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620407019.2U CN205580596U (en) | 2016-05-06 | 2016-05-06 | Blasting vibration meter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205580596U true CN205580596U (en) | 2016-09-14 |
Family
ID=56856545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620407019.2U Active CN205580596U (en) | 2016-05-06 | 2016-05-06 | Blasting vibration meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205580596U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646252A (en) * | 2017-12-25 | 2018-10-12 | 深圳天眼激光科技有限公司 | A kind of pulse laser echo-signal modulate circuit and pulse type laser scanning system |
-
2016
- 2016-05-06 CN CN201620407019.2U patent/CN205580596U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108646252A (en) * | 2017-12-25 | 2018-10-12 | 深圳天眼激光科技有限公司 | A kind of pulse laser echo-signal modulate circuit and pulse type laser scanning system |
| CN108646252B (en) * | 2017-12-25 | 2022-02-22 | 深圳天眼激光科技有限公司 | Pulse laser echo signal conditioning circuit and pulse type laser scanning system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9183737B1 (en) | Smoke detector testing | |
| EP3225439B1 (en) | Plug-in air quality detector, control method and control circuit | |
| KR102086615B1 (en) | Jack detector, detecting device, and detecting method | |
| US7574318B2 (en) | I/O port tester | |
| US20100045117A1 (en) | Protection device for a power source and power unit using same | |
| US20130030729A1 (en) | Motherboard alarm system test circuit | |
| US20140245080A1 (en) | Interface detection circuit | |
| CN102403961A (en) | Intelligent monitoring and protecting system of high-power audio amplifier | |
| CN205580596U (en) | Blasting vibration meter | |
| US20120106382A1 (en) | Wireless wide area network test method and test system | |
| GB2118342A (en) | Intrusion detector | |
| US20100246080A1 (en) | Intelligent fuse-holder | |
| EP2214419A1 (en) | Voice input/output automatic switching circuit used in hand-held microphone with speaker of communication device such as transceiver | |
| JP2006504381A (en) | Apparatus and method for simultaneously detecting power status in a plurality of circuit breaker switches | |
| US9453868B2 (en) | Test device, test method, and program | |
| US9246339B2 (en) | Battery and charging system using the same | |
| KR102647600B1 (en) | Charger Management System | |
| US9483929B1 (en) | Overload detection for electrical wiring | |
| CN201637818U (en) | Detection device of fire-alarm detection card | |
| CN102136248B (en) | A kind of LED control device of intelligent newspapers barrier and LED control system | |
| CN115052239B (en) | Audio power amplifier public address detecting system | |
| CN107071401B (en) | Detection Log Video Amplifier self-checking circuit | |
| CN205079779U (en) | Realize multi -functional optical fiber sensor of temperature measurement and little ultraviolet ray detection | |
| CN218336390U (en) | Information transmission interface circuit and electronic equipment | |
| JP6322124B2 (en) | Noise detection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |