CN208077155U - Computer fault alarm system - Google Patents
Computer fault alarm system Download PDFInfo
- Publication number
- CN208077155U CN208077155U CN201820679820.1U CN201820679820U CN208077155U CN 208077155 U CN208077155 U CN 208077155U CN 201820679820 U CN201820679820 U CN 201820679820U CN 208077155 U CN208077155 U CN 208077155U
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- Prior art keywords
- signal
- transport
- resistance
- placing device
- circuit
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Abstract
The utility model discloses computer fault alarm systems,Including signal frequency Acquisition Circuit,Amplify feedback circuit and warning circuit,The signal frequency Acquisition Circuit,Amplify feedback circuit and warning circuit,Control terminal receives the signal frequency in the signal transmission passage of signal in the signal frequency Acquisition Circuit collecting computer failure warning system,With inductance L1 and capacitance C2,After the π type filter circuits filtering of capacitance C3 compositions in input amplification feedback circuit,The amplification feedback circuit uses transport and placing device AR1,Transport and placing device AR2 is the same as phase amplified signal,In the inverting input for devising triode Q3 feedback signals input transport and placing device AR2 simultaneously,Adjust amplification feedback circuit output signal,Last warning circuit receives the signal of amplification feedback circuit input,The signal in the signal transmission passage of computer control terminal reception signal can be detected in real time,When abnormal signal,And can and alarm.
Description
Technical field
The utility model is related to alarm system technical fields, more particularly to computer fault alarm system.
Background technology
With the universalness of the Internet, applications, computer influence in people's lives it is increasing, be people's lives
It brings great convenience, however the various failures of computer also bring many worries for people, have seriously affected people
Life, therefore computer fault alarm system therewith increasingly development come, computer fault alarm system need in real time it is right
The signal frequency that computer control terminal receives in the signal transmission passage of signal is detected, and can be made in time corresponding.
So the utility model provides a kind of new scheme to solve the problems, such as this.
Utility model content
For the above situation, to overcome the defect of the prior art, the utility model to be designed to provide computer glitch
Alarm system, have be skillfully constructed, the characteristic of human oriented design, can detect in real time computer control terminal receive signal use
Signal transmission passage in signal, when abnormal signal, and can and alarm.
Its technical solution solved is computer fault alarm system, including signal frequency Acquisition Circuit, amplification feedback electricity
Road and warning circuit, the signal frequency Acquisition Circuit, amplification feedback circuit and warning circuit, the signal frequency Acquisition Circuit
Control terminal receives the signal frequency in the signal transmission passage of signal in collecting computer failure warning system, with inductance
After the π type filter circuits filtering that L1 and capacitance C2, capacitance C3 are formed in input amplification feedback circuit, the amplification feedback circuit fortune
With transport and placing device AR1, transport and placing device AR2 with phase amplified signal, while devising the anti-of triode Q3 feedback signals input transport and placing device AR2
In phase input terminal, amplification feedback circuit output signal is adjusted, last warning circuit receives the signal of amplification feedback circuit input, when
When abnormal signal, warning circuit work alarm；
The amplification feedback circuit includes transport and placing device AR1, and the homophase input of transport and placing device AR1 terminates the anode of diode D1,
The anti-phase input terminating resistor R4 of transport and placing device AR1, one end of resistance R5, the other end ground connection of resistance R4, the output of transport and placing device AR1
One end of the other end and resistance R7 of terminating resistor R5, the in-phase input end of another termination transport and placing device AR2 of resistance R7, transport and placing device
The anti-phase input terminating resistor R8 of AR2, one end and diode D1 of resistance R6 cathode, another termination triode Q3 of resistance R8
Emitter, the other end of the collector connecting resistance R6 of triode Q3, the base stage of triode Q3 connect transport and placing device AR2 output end and
One end of resistance R9.
Compared with prior art, the beneficial effects of the utility model are as follows：
1. control terminal receives the signal biography of signal in signal frequency Acquisition Circuit collecting computer failure warning system
Signal frequency in defeated channel, input amplification is anti-after being filtered with the π type filter circuits of inductance L1 and capacitance C2, capacitance C3 compositions
In current feed circuit, the amplification feedback circuit devises triode with transport and placing device AR1, transport and placing device AR2 with phase amplified signal
Q3 feedback signals input in the inverting input of transport and placing device AR2, adjust amplification feedback circuit output signal, and last warning circuit connects
The signal of the big feedback circuit input of folding and unfolding, can detect computer control terminal and receive in the signal transmission passage of signal in real time
Signal, when abnormal signal, and can and alarm.
2. amplifying feedback circuit with transport and placing device AR1, transport and placing device AR2 with phase amplified signal, signal power is improved, it is made
Signal strength can drive warning circuit to alarm, while the reverse phase for devising triode Q3 feedback signals input transport and placing device AR2 is defeated
Enter in end, when abnormal signal, transport and placing device AR1, the amplified signals of transport and placing device AR2 may cross conference and destroy circuit, therefore need
Transport and placing device AR2 output signal current potentials are detected in real time, when transport and placing device AR2 output signals are excessive, triode Q3 conductings, amplifier
Device AR2 inverting input current potentials increase, and achieve the effect that adjust amplification feedback circuit output signal.
Description of the drawings
Fig. 1 is the signal acquisition processing circuit module map of the utility model.
Fig. 2 is the signal acquisition processing circuit schematic diagram of the utility model.
Specific implementation mode
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 is in the detailed description of embodiment, can clearly present.The structure content being previously mentioned in following embodiment is to say
Bright book attached drawing is reference.
Embodiment one, computer fault alarm system, including signal frequency Acquisition Circuit, amplification feedback circuit and alarm electricity
Road, the signal frequency Acquisition Circuit, amplification feedback circuit and warning circuit, the signal frequency Acquisition Circuit collecting computer
Control terminal receives the signal frequency in the signal transmission passage of signal in failure warning system, with inductance L1 and capacitance
After the π type filter circuits filtering that C2, capacitance C3 are formed in input amplification feedback circuit, the amplification feedback circuit uses transport and placing device
AR1, transport and placing device AR2 devise the inverting input of triode Q3 feedback signals input transport and placing device AR2 with phase amplified signal
It is interior, amplification feedback circuit output signal is adjusted, last warning circuit receives the signal of amplification feedback circuit input, works as abnormal signal
When, warning circuit work alarm；
The amplification feedback circuit, with phase amplified signal, improves signal power, makes it with transport and placing device AR1, transport and placing device AR2
Signal strength can drive warning circuit to alarm, while the reverse phase for devising triode Q3 feedback signals input transport and placing device AR2 is defeated
Enter in end, when abnormal signal, transport and placing device AR1, the amplified signals of transport and placing device AR2 may cross conference and destroy circuit, therefore need
Transport and placing device AR2 output signal current potentials are detected in real time, when transport and placing device AR2 output signals are excessive, triode Q3 conductings, amplifier
Device AR2 inverting input current potentials increase, and achieve the effect that adjust amplification feedback circuit output signal, transport and placing device AR1's is same mutually defeated
Enter the anode of terminating diode D1, the anti-phase input terminating resistor R4 of transport and placing device AR1, one end of resistance R5, resistance R4's is another
End ground connection, one end of the other end and resistance R7 of the output terminating resistor R5 of transport and placing device AR1, another termination transport and placing device of resistance R7
The in-phase input end of AR2, the anti-phase input terminating resistor R8 of transport and placing device AR2, one end and diode D1 of resistance R6 cathode, electricity
Hinder the emitter of another termination triode Q3 of R8, the other end of the collector connecting resistance R6 of triode Q3, the base of triode Q3
Pole connects one end of the output end and resistance R9 of transport and placing device AR2.
Embodiment two, on the basis of embodiment one, the signal frequency Acquisition Circuit uses the letter of model SJ-ADC
Control terminal receives the letter in the signal transmission passage of signal in number frequency collection device J1 collecting computer failure warning systems
Number frequency, at the same with inductance L1 and capacitance C2, capacitance C3 compositions the filtering of π type filter circuits after input amplification feedback circuit
It is interior, improve the anti-interference of signal, one end of the power supply terminating resistor R1 of signal frequency collector J1, the other end of resistance R1
Connect one end of power supply+5V and capacitance C1, one end of the output terminating resistor R2 of signal frequency collector J1, signal frequency collector
The ground terminal of J1 is grounded, the other end of another termination capacitor C1 of resistance R2, one end and inductance L1 of capacitance C2 one end, inductance
One end of one end and capacitance C2 of another terminating resistor R3 of L1, the other end ground connection of capacitance C2, another termination of capacitance C3
Ground, the in-phase input end of another termination transport and placing device AR1 of resistance R3.
Embodiment three, on the basis of embodiment two, the warning circuit receives the signal of amplification feedback circuit input, when
When control terminal receives the abnormal signal in the signal transmission passage of signal in computer fault alarm system, metal-oxide-semiconductor Q1 is led
Logical, related personnel's maintenance is reminded in the contact 1 of relay K1,3 contact closures, alarm LS1 work once electrifieds alarm, when signal just
The contact 1,2 of Chang Shi, relay K1 are closed, and alarm LS1 does not work, the other end of the grid connecting resistance R9 of metal-oxide-semiconductor Q1, MOS
The anode of the contact 5 and diode D2 of the drain electrode contact relay K1 of pipe Q1, the contact 4 of relay K1 and the cathode of diode D2 connect
One end of the 1 connecting resistance R10 of contact of power supply+10V, relay K1, another termination power+20V of resistance R10, relay K1's
Contact 2 is grounded, the anode of the 3 device LS1 taking alarm of contact of relay K1, one end of the cathode connecting resistance R11 of alarm LS1, electricity
Hinder the other end of R11 and the source electrode ground connection of metal-oxide-semiconductor Q1.
The utility model is when specifically used, computer fault alarm system, including signal frequency Acquisition Circuit, amplification are instead
Current feed circuit and warning circuit, the signal frequency Acquisition Circuit, amplification feedback circuit and warning circuit, the signal frequency acquisition
Control terminal receives the signal frequency in the signal transmission passage of signal in circuit collecting computer failure warning system, uses
After the π type filter circuits filtering that inductance L1 and capacitance C2, capacitance C3 are formed in input amplification feedback circuit, the amplification feedback is electric
Signal power, with phase amplified signal, is improved in road with transport and placing device AR1, transport and placing device AR2, its signal strength is enable to drive alarm electricity
Road is alarmed, while being devised triode Q3 feedback signals and being inputted in the inverting input of transport and placing device AR2, when abnormal signal, fortune
Put device AR1, the amplified signals of transport and placing device AR2 may cross conference and destroy circuit, it is therefore desirable to detection transport and placing device AR2 outputs in real time
Signal potential, when transport and placing device AR2 output signals are excessive, triode Q3 conductings, transport and placing device AR2 inverting input current potentials increase,
Achieving the effect that adjust amplification feedback circuit output signal, last warning circuit receives the signal of amplification feedback circuit input, when
When control terminal receives the abnormal signal in the signal transmission passage of signal in computer fault alarm system, metal-oxide-semiconductor Q1 is led
Logical, related personnel's maintenance is reminded in the contact 1 of relay K1,3 contact closures, alarm LS1 work once electrifieds alarm.
The above is to combine specific implementation mode further detailed description of the utility model, and it cannot be said that originally
Utility model specific implementation is limited only to this；For 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 by expand and operating method, data replacement, should all fall
Within scope of protection of the utility model.
Claims (3)
1. computer fault alarm system, including signal frequency Acquisition Circuit, amplification feedback circuit and warning circuit, feature exist
In, the signal frequency Acquisition Circuit, amplification feedback circuit and warning circuit, the signal frequency Acquisition Circuit collecting computer
Control terminal receives the signal frequency in the signal transmission passage of signal in failure warning system, with inductance L1 and capacitance
After the π type filter circuits filtering that C2, capacitance C3 are formed in input amplification feedback circuit, the amplification feedback circuit uses transport and placing device
AR1, transport and placing device AR2 devise the inverting input of triode Q3 feedback signals input transport and placing device AR2 with phase amplified signal
It is interior, amplification feedback circuit output signal is adjusted, last warning circuit receives the signal of amplification feedback circuit input, works as abnormal signal
When, warning circuit work alarm；The amplification feedback circuit includes transport and placing device AR1, and the homophase input of transport and placing device AR1 terminates two poles
The anode of pipe D1, the anti-phase input terminating resistor R4 of transport and placing device AR1, one end of resistance R5, the other end ground connection of resistance R4, amplifier
One end of the other end and resistance R7 of the output terminating resistor R5 of device AR1, another termination transport and placing device AR2's of resistance R7 is same mutually defeated
Enter end, the anti-phase input terminating resistor R8 of transport and placing device AR2, one end and diode D1 of resistance R6 cathode, resistance R8's is another
The emitter of triode Q3, the other end of the collector connecting resistance R6 of triode Q3 are terminated, the base stage of triode Q3 connects transport and placing device
One end of the output end and resistance R9 of AR2.
2. computer fault alarm system as described in claim 1, which is characterized in that the signal frequency Acquisition Circuit includes
One end of the power supply terminating resistor R1 of the signal frequency collector J1 of model SJ-ADC, signal frequency collector J1, resistance R1
Another termination power+5V and capacitance C1 one end, one end of the output terminating resistor R2 of signal frequency collector J1, signal frequency
The ground terminal of rate collector J1 is grounded, the other end of another termination capacitor C1 of resistance R2, one end of capacitance C2 and inductance L1
One end, one end of one end and capacitance C2 of another terminating resistor R3 of inductance L1, the other end ground connection of capacitance C2, capacitance C3's
The other end is grounded, the in-phase input end of another termination transport and placing device AR1 of resistance R3.
3. computer fault alarm system as described in claim 1, which is characterized in that the warning circuit includes metal-oxide-semiconductor Q1,
The other end of the grid connecting resistance R9 of metal-oxide-semiconductor Q1, the anode of the contact 5 and diode D2 of the drain electrode contact relay K1 of metal-oxide-semiconductor Q1,
The contact 4 of relay K1 and the cathode of diode D2 connect power supply+10V, one end of the 1 connecting resistance R10 of contact of relay K1, resistance
The contact 2 of another termination power+20V of R10, relay K1 are grounded, the anode of the 3 device LS1 taking alarm of contact of relay K1, report
One end of the cathode connecting resistance R11 of alert device LS1, the other end of resistance R11 and the source electrode ground connection of metal-oxide-semiconductor Q1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820679820.1U CN208077155U (en) | 2018-05-08 | 2018-05-08 | Computer fault alarm system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820679820.1U CN208077155U (en) | 2018-05-08 | 2018-05-08 | Computer fault alarm system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208077155U true CN208077155U (en) | 2018-11-09 |
Family
ID=64045701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820679820.1U Expired - Fee Related CN208077155U (en) | 2018-05-08 | 2018-05-08 | Computer fault alarm system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208077155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043456A (en) * | 2019-05-30 | 2019-07-23 | 中防工程科技有限公司 | A kind of anti-corrosion air compressor unloading valve safety monitoring device |
-
2018
- 2018-05-08 CN CN201820679820.1U patent/CN208077155U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043456A (en) * | 2019-05-30 | 2019-07-23 | 中防工程科技有限公司 | A kind of anti-corrosion air compressor unloading valve safety monitoring device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20190508 |
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| CF01 | Termination of patent right due to non-payment of annual fee |