CN209218064U - A kind of wisdom EHS management system - Google Patents
A kind of wisdom EHS management system Download PDFInfo
- Publication number
- CN209218064U CN209218064U CN201920145131.7U CN201920145131U CN209218064U CN 209218064 U CN209218064 U CN 209218064U CN 201920145131 U CN201920145131 U CN 201920145131U CN 209218064 U CN209218064 U CN 209218064U
- Authority
- CN
- China
- Prior art keywords
- signal
- resistance
- triode
- voltage
- capacitor
- 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
Landscapes
- Amplifiers (AREA)
Abstract
The utility model discloses a kind of wisdom EHS management systems, including signal frequency Acquisition Circuit, calibration conversion circuit and voltage-stabilizing output circuit, the signal frequency Acquisition Circuit selects the frequency analog signal of signal transmission passage input terminal in the signal frequency collector J1 acquisition wisdom EHS management system controlling terminal of model SJ-ADC, the calibration conversion circuit uses triode Q1, low level signal is isolated in triode Q2, the noise in low frequency signal is filtered out with capacitor C4 simultaneously, last transport and placing device AR3, transport and placing device AR5 and variable resistance RW1 composition voltage conversion circuit is converted to current signal in voltage signal input voltage-stabilizing output circuit, the voltage-stabilizing output circuit exports after forming the pressure stabilizing of triode voltage regulator circuit with triode Q3 and voltage-stabiliser tube D3, it being capable of real-time monitoring wisdom EH The frequency analog signal of signal transmission passage input terminal in S management system converts frequency signal to the thermal compensation signal of analog signal, anti-stop signal decaying.
Description
Technical field
The utility model relates to field of circuit technology, more particularly to a kind of wisdom EHS management system.
Background technique
The target indicator of EHS management system is for important environmental factor, great risk factor or to need to control
Factor and the quantified controlling index formulated, be one of intellectualized management system important at present, however wisdom EHS management system
Since the index factor being directed to is more special, causes wisdom EHS management system controlling terminal to receive by signal transmission passage and believe
When ceasing the signal of acquisition module input, signal often will appear relaxation phenomenon during signal transmission passage, lead to signal not
Stablize.
So the utility model provides the new scheme of one kind to solve the problems, such as this.
Utility model content
For above situation, for the defect for overcoming the prior art, the utility model is designed to provide a kind of wisdom EHS
Management system, have be skillfully constructed, the characteristic of human oriented design, being capable of signal transmission in real-time monitoring wisdom EHS management system
The frequency analog signal of path input converts frequency signal to the thermal compensation signal of analog signal, anti-stop signal decaying.
Its technical solution solved is a kind of wisdom EHS management system, including signal frequency Acquisition Circuit, calibration conversion
Circuit and voltage-stabilizing output circuit, the signal frequency Acquisition Circuit select the signal frequency collector J1 acquisition of model SJ-ADC
The frequency analog signal of signal transmission passage input terminal in wisdom EHS management system controlling terminal, with inductance L2 and capacitor C2,
Capacitor C3 is inputted in calibration conversion circuit after forming the filtering of π type filter circuit, and the calibration conversion circuit uses triode Q1, three
Low level signal is isolated in pole pipe Q2, while filtering out the noise in low frequency signal, last transport and placing device AR3, transport and placing device with capacitor C4
AR5 and variable resistance RW1 composition voltage conversion circuit is converted to current signal in voltage signal input voltage-stabilizing output circuit, institute
Voltage-stabilizing output circuit is stated with exporting after triode Q3 and voltage-stabiliser tube D3 composition triode voltage regulator circuit pressure stabilizing, that is to say compensation intelligence
The analog signal current potential of signal transmission passage input terminal in intelligent EHS management system controlling terminal；
The calibration conversion circuit includes triode Q1, one end of the base stage connecting resistance R3 of triode Q1, capacitor C4, capacitor
The other end ground connection of C4, the base stage of the collector connecting transistor Q2 of triode Q1 and the other end of resistance R3 and resistance R2, electricity
Hinder one end of R4, the other end of the collector connecting resistance R2 of triode Q2, one end of the emitter connecting resistance R6 of triode Q1, electricity
The inverting input terminal of another termination transport and placing device AR3 of R6 and the contact 2 of variable resistance RW1 are hindered, the emitter of triode Q2 connects electricity
Hold one end of C5, one end of another terminating resistor R5 of capacitor C5, the other end of another terminating resistor R4 of resistance R5 and pressure stabilizing
The cathode of pipe D2 and the non-inverting input terminal of transport and placing device AR3, the contact 1 of the plus earth of voltage-stabiliser tube D2, variable resistance RW1 connect fortune
Put the output end of device AR3 and one end of resistance R8, one end of the 3 connecting resistance R9 of contact of variable resistance RW1, the other end of resistance R9
Ground connection, the contact 1 of variable resistance RW1 connects the output end of transport and placing device AR3 and one end of resistance R8, another termination amplifier of resistance R8
The non-inverting input terminal of device AR5 and one end of resistance R11, one end of the anti-phase input terminating resistor R10 of transport and placing device AR5, resistance R10
The other end ground connection, transport and placing device AR5 output terminating resistor R11 the other end.
Due to the use of above technical scheme, the utility model has the following advantages that compared with prior art；
1. triode Q2, triode Q3 are not turned on, and it is same to directly input transport and placing device AR3 when signal is low level signal
In phase input terminal, play the role of that low level signal is isolated, when signal is normal signal, triode Q2 conducting, through capacitor C5
It filters out and inputs in transport and placing device AR3 non-inverting input terminal after the noise in high-frequency signal, when signal is high level signal, three pole at this time
Pipe Q2, triode Q1 conducting, all the way through in capacitor C5 input transport and placing device AR3 non-inverting input terminal, another way is inputted through resistance R6 and transported
It puts in device AR3 inverting input terminal, calibrates transport and placing device AR3 output signal current potential, realize the automatic calibration to signal.
2, transport and placing device AR3, transport and placing device AR5 and variable resistance RW1 form voltage conversion circuit and current signal are converted to electricity
Press in signal input voltage-stabilizing output circuit, can in direct compensation wisdom EHS management system controlling terminal signal transmission passage it is defeated
The analog signal current potential for entering end, realizes the function of converting frequency signal to the thermal compensation signal of analog signal, and anti-stop signal declines
Subtract.
Detailed description of the invention
Fig. 1 is a kind of module map of wisdom EHS management system of the utility model.
Fig. 2 is a kind of schematic diagram of wisdom EHS management system of the utility model.
Specific embodiment
Aforementioned and other technology contents, feature and effect in relation to the utility model, in following cooperation with reference to figures 1 through attached
Fig. 2 can be clearly presented in the detailed description of embodiment.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Embodiment one, a kind of wisdom EHS management system, including signal frequency Acquisition Circuit, calibration conversion circuit and pressure stabilizing
Output circuit, the signal frequency Acquisition Circuit select the signal frequency collector J1 acquisition wisdom EHS pipe of model SJ-ADC
The frequency analog signal of signal transmission passage input terminal in reason system controlling terminal, with inductance L2 and capacitor C2, capacitor C3 group
At π type filter circuit filtering after input calibration conversion circuit in, the calibration conversion circuit with triode Q1, triode Q2 every
The noise in low frequency signal is filtered out from low level signal, while with capacitor C4, last transport and placing device AR3, transport and placing device AR5 and variable
Resistance RW1 forms voltage conversion circuit and is converted to current signal in voltage signal input voltage-stabilizing output circuit, and the pressure stabilizing is defeated
Circuit that is to say compensation wisdom EHS pipe with exporting after triode Q3 and voltage-stabiliser tube D3 composition triode voltage regulator circuit pressure stabilizing out
The analog signal current potential of signal transmission passage input terminal in reason system controlling terminal；
Low level signal is isolated with triode Q1, triode Q2 in the calibration conversion circuit, when signal is low level letter
Number when, triode Q2, triode Q3 are not turned on, and are directly inputted in transport and placing device AR3 non-inverting input terminal, play isolation low level letter
Number effect, when signal is normal signal, triode Q2 conducting inputs fortune after the noise filtered out in high-frequency signal through capacitor C5
It puts in device AR3 non-inverting input terminal, when signal is high level signal, triode Q2, triode Q1 are connected at this time, all the way through capacitor
C5 is inputted in transport and placing device AR3 non-inverting input terminal, and another way is through calibrating amplifier in resistance R6 input transport and placing device AR3 inverting input terminal
Device AR3 output signal current potential, wherein capacitor C4 filters out the noise in low frequency signal, last transport and placing device AR3, transport and placing device AR5 and can
Power transformation resistance RW1 composition voltage conversion circuit is converted to current signal in voltage signal input voltage-stabilizing output circuit, can be direct
Compensate the analog signal current potential of signal transmission passage input terminal in wisdom EHS management system controlling terminal, the base stage of triode Q1
One end of connecting resistance R3, capacitor C4, the other end ground connection of capacitor C4, the base stage and electricity of the collector connecting transistor Q2 of triode Q1
Hinder the other end of R3 and one end of resistance R2, resistance R4, the other end of the collector connecting resistance R2 of triode Q2, triode Q1
Emitter connecting resistance R6 one end, the inverting input terminal of another termination transport and placing device AR3 of resistance R6 and the touching of variable resistance RW1
Point 2, the emitter of triode Q2 connects one end of capacitor C5, and one end of another terminating resistor R5 of capacitor C5, resistance R5's is another
The non-inverting input terminal of the other end of terminating resistor R4 and the cathode of voltage-stabiliser tube D2 and transport and placing device AR3, the anode of voltage-stabiliser tube D2 connect
Ground, the contact 1 of variable resistance RW1 connect the output end of transport and placing device AR3 and one end of resistance R8, and the contact 3 of variable resistance RW1 connects electricity
One end of R9 is hindered, the other end ground connection of resistance R9, the contact 1 of variable resistance RW1 connects the output end and resistance R8 of transport and placing device AR3
One end, the non-inverting input terminal of another termination transport and placing device AR5 of resistance R8 and one end of resistance R11, the anti-phase input of transport and placing device AR5
One end of terminating resistor R10, the other end ground connection of resistance R10, the other end of the output terminating resistor R11 of transport and placing device AR5.
Embodiment two, on the basis of example 1, the voltage-stabilizing output circuit use triode Q3 and voltage-stabiliser tube D3 group
At exporting after triode voltage regulator circuit pressure stabilizing, the stability of signal is improved, that is to say compensation wisdom EHS management system controlling terminal
The analog signal current potential of middle signal transmission passage input terminal, one end of the collector connecting resistance R12 of triode Q3 and transport and placing device AR5
Output end, the other end of the base stage connecting resistance R12 of triode Q3 and the cathode of voltage-stabiliser tube D3, the plus earth of voltage-stabiliser tube D3,
One end of the emitter connecting resistance R13 of triode Q3, another termination signal output port of resistance R13.
Implement three, on the basis of example 1, the signal frequency Acquisition Circuit selects the signal of model SJ-ADC
Frequency collection device J1 collector J1 acquires the analog signal of signal transmission passage input terminal in wisdom EHS management system controlling terminal
Frequency filters out letter with inputting in calibration conversion circuit after inductance L2 and capacitor C2, capacitor C3 composition π type filter circuit filtering
Clutter in number, the power supply termination capacitor C1 of signal frequency collector J1, one end of resistance R1 and power supply+5V, signal frequency are adopted
The ground terminal of storage J1 is grounded, the output termination capacitor C1 of signal frequency collector J1, the other end of resistance R1 and capacitor C2
One end and one end of inductance L2, the other end ground connection of capacitor C2, one end of another termination capacitor C3 of inductance L2 and triode
The base stage of Q2, the other end ground connection of capacitor C3.
When the utility model is specifically used, a kind of wisdom EHS management system, including signal frequency Acquisition Circuit, calibration turn
Circuit and voltage-stabilizing output circuit are changed, the signal frequency Acquisition Circuit selects the signal frequency collector J1 of model SJ-ADC to adopt
The frequency analog signal for collecting signal transmission passage input terminal in wisdom EHS management system controlling terminal, with inductance L2 and capacitor
C2, capacitor C3 are inputted in calibration conversion circuit after forming the filtering of π type filter circuit, and the calibration conversion circuit uses triode
Low level signal is isolated in Q1, triode Q2, and when signal is low level signal, triode Q2, triode Q3 are not turned on, directly
It inputs in transport and placing device AR3 non-inverting input terminal, plays the role of that low level signal is isolated, when signal is normal signal, triode
Q2 is connected, and inputs in transport and placing device AR3 non-inverting input terminal after the noise filtered out in high-frequency signal through capacitor C5, when signal is high level
When signal, triode Q2, triode Q1 are connected at this time, are inputted in transport and placing device AR3 non-inverting input terminal through capacitor C5 all the way, another way
Through calibrating transport and placing device AR3 output signal current potential, wherein capacitor C4 is filtered out low in resistance R6 input transport and placing device AR3 inverting input terminal
Noise in frequency signal, last transport and placing device AR3, transport and placing device AR5 and variable resistance RW1 form voltage conversion circuit for current signal
It is converted in voltage signal input voltage-stabilizing output circuit, signal can pass in direct compensation wisdom EHS management system controlling terminal
The analog signal current potential of defeated path input, the voltage-stabilizing output circuit are steady with triode Q3 and voltage-stabiliser tube D3 composition triode
It is exported after volt circuit pressure stabilizing, that is to say the simulation of signal transmission passage input terminal in compensation wisdom EHS management system controlling terminal
Signal potential.
The above is to combine specific embodiment further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；Belonging to the utility model and for those skilled in the technology concerned,
Under the premise of technical solutions of the utility model thinking, made expansion and the replacement of operating method, data should all be fallen in
Within scope of protection of the utility model.
Claims (3)
1. a kind of wisdom EHS management system, including signal frequency Acquisition Circuit, calibration conversion circuit and voltage-stabilizing output circuit,
It is characterized in that, the signal frequency Acquisition Circuit selects the signal frequency collector J1 acquisition wisdom EHS pipe of model SJ-ADC
The frequency analog signal of signal transmission passage input terminal in reason system controlling terminal, with inductance L2 and capacitor C2, capacitor C3 group
At π type filter circuit filtering after input calibration conversion circuit in, the calibration conversion circuit with triode Q1, triode Q2 every
The noise in low frequency signal is filtered out from low level signal, while with capacitor C4, last transport and placing device AR3, transport and placing device AR5 and variable
Resistance RW1 forms voltage conversion circuit and is converted to current signal in voltage signal input voltage-stabilizing output circuit, and the pressure stabilizing is defeated
Circuit that is to say compensation wisdom EHS pipe with exporting after triode Q3 and voltage-stabiliser tube D3 composition triode voltage regulator circuit pressure stabilizing out
The analog signal current potential of signal transmission passage input terminal in reason system controlling terminal；
The calibration conversion circuit includes triode Q1, one end of the base stage connecting resistance R3 of triode Q1, capacitor C4, capacitor C4's
Other end ground connection, the base stage of the collector connecting transistor Q2 of triode Q1 and the other end of resistance R3 and resistance R2, resistance R4
One end, the other end of the collector connecting resistance R2 of triode Q2, one end of the emitter connecting resistance R6 of triode Q1, resistance R6
Another termination transport and placing device AR3 inverting input terminal and variable resistance RW1 contact 2, the emitter of triode Q2 meets capacitor C5
One end, one end of another terminating resistor R5 of capacitor C5, the other end and voltage-stabiliser tube D2 of another terminating resistor R4 of resistance R5
Cathode and transport and placing device AR3 non-inverting input terminal, the contact 1 of the plus earth of voltage-stabiliser tube D2, variable resistance RW1 connects transport and placing device
The output end of AR3 and one end of resistance R8, one end of the 3 connecting resistance R9 of contact of variable resistance RW1, another termination of resistance R9
Ground, the contact 1 of variable resistance RW1 connect the output end of transport and placing device AR3 and one end of resistance R8, another termination transport and placing device of resistance R8
The non-inverting input terminal of AR5 and one end of resistance R11, one end of the anti-phase input terminating resistor R10 of transport and placing device AR5, resistance R10's
Other end ground connection, the other end of the output terminating resistor R11 of transport and placing device AR5.
2. a kind of wisdom EHS management system as described in claim 1, which is characterized in that the voltage-stabilizing output circuit includes three poles
One end of the collector connecting resistance R12 of pipe Q3, triode Q3 and the output end of transport and placing device AR5, the base stage connecting resistance of triode Q3
The other end of R12 and the cathode of voltage-stabiliser tube D3, the plus earth of voltage-stabiliser tube D3, the one of the emitter connecting resistance R13 of triode Q3
End, another termination signal output port of resistance R13.
3. a kind of wisdom EHS management system as described in claim 1, which is characterized in that the signal frequency Acquisition Circuit includes
One end of the power supply termination capacitor C1 of the signal frequency collector J1 of model SJ-ADC, signal frequency collector J1, resistance R1
It is grounded with the ground terminal of power supply+5V, signal frequency collector J1, output termination capacitor C1, the resistance of signal frequency collector J1
The other end of R1 and one end of capacitor C2 and one end of inductance L2, the other end ground connection of capacitor C2, another termination of inductance L2
One end of capacitor C3 and the base stage of triode Q2, the other end ground connection of capacitor C3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920145131.7U CN209218064U (en) | 2019-01-28 | 2019-01-28 | A kind of wisdom EHS management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920145131.7U CN209218064U (en) | 2019-01-28 | 2019-01-28 | A kind of wisdom EHS management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209218064U true CN209218064U (en) | 2019-08-06 |
Family
ID=67467518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920145131.7U Active CN209218064U (en) | 2019-01-28 | 2019-01-28 | A kind of wisdom EHS management system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209218064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735100A (en) * | 2021-02-27 | 2021-04-30 | 鑫安利中（北京）科技有限公司 | Safety monitoring device for major hazard source |
-
2019
- 2019-01-28 CN CN201920145131.7U patent/CN209218064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112735100A (en) * | 2021-02-27 | 2021-04-30 | 鑫安利中（北京）科技有限公司 | Safety monitoring device for major hazard source |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109831262A (en) | A kind of Intelligent Low Temperature grain storage system signal calibration circuit | |
| CN109743057A (en) | A kind of data transmission of internet of things calibration equipment | |
| CN110057986A (en) | A kind of Atmosphere Environment Monitoring System Bases based on big data | |
| CN109787565A (en) | A kind of multi-action computer data acquisition device | |
| CN109613201A (en) | Corrosive pipeline degree measuring instrument signal compensation circuit | |
| CN108494418A (en) | A kind of big data signal calibration circuit | |
| CN109283527A (en) | A kind of portable surveillance radar | |
| CN109217929A (en) | A kind of super high speed all-optical communication system | |
| CN109905088A (en) | A kind of power transmission real-time monitoring system | |
| CN109613202A (en) | Corrosive pipeline degree measuring instrument signal calibration device | |
| CN110445477A (en) | A kind of data-signal distortion adjusting circuit | |
| CN110138410A (en) | A kind of travel security intelligent management system | |
| CN209218064U (en) | A kind of wisdom EHS management system | |
| CN110333753A (en) | A kind of construction site information transmission system | |
| CN109412634A (en) | Integrated digital microwave system | |
| CN109612886A (en) | Operating environment precaution device | |
| CN209231506U (en) | A kind of portable surveillance radar | |
| CN208589986U (en) | A kind of smart home wireless network signal adjusting circuit | |
| CN209570865U (en) | A kind of supply voltage driving adjusting circuit | |
| CN109660252A (en) | Portable meteorological measuring set signal calibration device | |
| CN209462351U (en) | A kind of campus access control system | |
| CN209676199U (en) | Electronic information enhances circuit | |
| CN209105210U (en) | Integrated digital microwave predistortion circuit | |
| CN109687880A (en) | Multimedia messages monitoring system signal calibration circuit | |
| CN109030923A (en) | A kind of intelligent substation's prior-warning device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |