CN206164069U - Power overload indication ripple voltage -spike suppression circuit - Google Patents
Power overload indication ripple voltage -spike suppression circuit Download PDFInfo
- Publication number
- CN206164069U CN206164069U CN201621117980.4U CN201621117980U CN206164069U CN 206164069 U CN206164069 U CN 206164069U CN 201621117980 U CN201621117980 U CN 201621117980U CN 206164069 U CN206164069 U CN 206164069U
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- China
- Prior art keywords
- triode
- resistance
- electric capacity
- pole
- colelctor electrode
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Abstract
The utility model discloses a power overload indication ripple voltage -spike suppression circuit, its characterized in that: mainly by operational amplifier P, triode VT1, triode VT2, triode VT3, pilot lamp BL, inductance L, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, diode D1 and zener diode D2 constitute. The utility model has the advantages of reasonable design, light energy does not satisfy power supply circuit's operation requirement, can also advance line display through the pilot lamp when transshipping with the electric loading, can point out the user no longer need cost time energy and go the investigation to lead to the fact the abnormal conditions of stopping work with the electric loading with the electric loading overstrain circumstances, user in the very first time, consequently brings very big facility for the user, is fit for wide use.
Description
Technical field
The utility model is related to a kind of power circuit, more particularly to a kind of power overload situation indicates ripple peak restrained circuit.
Background technology
Power circuit is used to connect power supply and use electric loading, so as to by power supply supply load.When load overload, power supply electricity
Lu Zehui disconnects, to prevent from damaging the electronic device of power circuit and use electric loading.After power circuit disconnects, power supply cannot be to negative
Power supply is carried, load then can quit work.Due to load because due to the work that abends then needs investigation exception occur, using
When be difficult the very first time find power circuit because with electric loading transship and cause circuit to disconnect, so as to what is stopped work to load abnormal
Investigation work brings great difficulty.
Utility model content
The purpose of this utility model is to provide a kind of power overload situation to indicate ripple peak restrained circuit, with expect can with
Electric loading makes instruction when transshipping, so as to point out the user power utilization situation that load is transshipped in the very first time.
The utility model is achieved through the following technical solutions：
A kind of power overload situation indicates ripple peak restrained circuit, mainly by operational amplifier P, triode VT1, and triode
VT2, triode VT3, positive pole is connected Jing after inductance L with the positive input terminal of operational amplifier P, negative pole Jing after resistance R1 with computing
The electric capacity C1 that the output end of amplifier P is connected, positive pole is connected with the negative input end of operational amplifier P, negative pole and triode
The electric capacity C2 that the colelctor electrode of VT1 is connected, positive pole is connected with the output end of operational amplifier P, the collection of negative pole and triode VT1
The electric capacity C3 that electrode is connected, the resistance R2 being serially connected between the emitter stage of the output end of operational amplifier P and triode VT1,
The resistance R4 being serially connected between the emitter stage of the negative pole of electric capacity C1 and triode VT2, one end is Jing after indicator lamp BL with electric capacity C1's
The resistance R3 that negative pole is connected, the other end is connected with the emitter stage of triode VT1, P poles are connected with the negative pole of electric capacity C1, N
The diode D1 that pole is connected Jing after resistance R5 with the colelctor electrode of triode VT3, P poles are connected with the colelctor electrode of triode VT3,
The Zener diode D2 that N poles are connected with the base stage of triode VT3, is serially connected in the base stage of triode VT2 and the base of triode VT3
Resistance R6 between pole, the resistance R7 being serially connected between the base stage of the colelctor electrode of triode VT1 and triode VT3, is serially connected in three
Resistance R8 between the colelctor electrode and emitter stage of pole pipe VT3, and positive pole be connected with the emitter stage of triode VT3, negative pole with
The electric capacity C4 compositions that the colelctor electrode of triode VT1 is connected；The colelctor electrode of the triode VT2 and the colelctor electrode of triode VT1
It is connected, its emitter stage is connected with the base stage of triode VT1；The positive pole of the electric capacity C1 is collectively constituted with the negative pole of electric capacity C2
Power input, the negative pole of the electric capacity C4 collectively constitutes output end with the colelctor electrode of triode VT3.
Further, the triode VT1～VT3 is 3AX51 triodes.
Further, the diode D1 is 1N4001 commutation diodes, and Zener diode D2 is the pole of 2CW75 voltage stabilizings two
Pipe.
In order to ensure effect, the operational amplifier P is LM358 single supply general-purpose operation amplifiers.
The utility model compared with prior art, with advantages below and beneficial effect：
(1) it is of the present utility model to be not only simple in structure and cost is relatively low, it is also convenient for safeguarding.The utility model structure design is closed
Reason, luminous energy does not meet the use requirement of power circuit, moreover it is possible to shown by indicator lamp when being transshipped with electric loading, can be the
The situation of one time prompting user power utilization load overload, user no longer needs cost time energy to go investigation to cause to be stopped with electric loading
The abnormal conditions of work, therefore bring great convenience to user.
(2) operational amplifier P of the present utility model and inductance L, electric capacity C1, electric capacity C2, electric capacity C3, resistance R1 and resistance
R2 can constitute ripple peak restrained circuit, harmonic wave in input voltage can be eliminated or suppressed, and can be powered to wave pressure and wave
Galvanization is suppressed, and so as to improve efficiency of the present utility model, and can effectively prevent load to be damaged.
Description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Specific embodiment
The utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is not
It is limited to this.
Embodiment
As shown in figure 1, power overload situation of the present utility model indicates ripple peak restrained circuit, mainly by operational amplifier P,
Triode VT1, triode VT2, triode VT3, indicator lamp BL, inductance L, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, resistance
R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, diode D1 and Zener diode D2
Composition.In order to ensure practical effect of the present utility model, the triode VT1～VT3 is using 3AX51 triodes come real
Existing, diode D1 is then realized using 1N4001 commutation diodes.The resistance of the resistance R3 be 800 Ω, the resistance of resistance R4
Resistance for 4.7k Ω, resistance R5 and resistance R8 is 500 Ω, and the resistance of resistance R6 is 22k Ω, and the resistance of resistance R7 is 1.5k
Ω.The indicator lamp BL generally realizes that the indicator lamp BL in the present embodiment is realized from red globe lamp using chromolume.
During connection, the positive pole of the electric capacity C1 is connected Jing after inductance L with the positive input terminal of operational amplifier P, its negative pole
It is connected with the output end of operational amplifier P Jing after resistance R1.The positive pole of the electric capacity C2 and the negative input end of operational amplifier P
It is connected, its negative pole is connected with the colelctor electrode of triode VT1.The positive pole of the electric capacity C3 and the output end of operational amplifier P
It is connected, its negative pole is connected with the colelctor electrode of triode VT1.The resistance R2 be serially connected in the output end of operational amplifier P with
Between the emitter stage of triode VT1, the resistance R4 is serially connected between the emitter stage of the negative pole of electric capacity C1 and triode VT2.Institute
The one end for stating resistance R3 is connected Jing after indicator lamp BL with the negative pole of electric capacity C1, the emitter stage phase of its other end and triode VT1
Connection.The P poles of the diode D1 are connected with the negative pole of electric capacity C1, its N pole Jing after resistance R5 with the colelctor electrode of triode VT3
It is connected.The P poles of the Zener diode D2 are connected with the colelctor electrode of triode VT3, the base stage of its N pole and triode VT3
It is connected.The resistance R6 is serially connected between the base stage of the base stage of triode VT2 and triode VT3, and the resistance R7 is serially connected in
Between the colelctor electrode of triode VT1 and the base stage of triode VT3, the resistance R8 is serially connected in the colelctor electrode of triode VT3 and sends out
Between emitter-base bandgap grading.The positive pole of the electric capacity C4 is connected with the emitter stage of triode VT3, the colelctor electrode of its negative pole and triode VT1
It is connected.
Meanwhile, the colelctor electrode of the triode VT2 is connected with the colelctor electrode of triode VT1, its emitter stage and triode
The base stage of VT1 is connected.The positive pole of the electric capacity C1 collectively constitutes power input with the negative pole of electric capacity C2, the electric capacity C4's
Negative pole collectively constitutes output end with the colelctor electrode of triode VT3, the output end connection electric loading.
When using, the operational amplifier P is total to inductance L, electric capacity C1, electric capacity C2, electric capacity C3, resistance R1 and resistance R2
With composition ripple peak restrained circuit, harmonic wave in input voltage can be eliminated or suppressed, and can be logical to wave energization pressure and wave
Electric current is suppressed, and so as to improve efficiency of the present utility model, and can effectively prevent load to be damaged.Wherein, the fortune
Calculate amplifier P and use LM358 single supply general-purpose operation amplifiers, the inductance L then uses the filtered electrical of 100 μ h
Sense.From the electric capacity that capacitance is 470 μ F, what electric capacity C3 was selected is the electricity that capacitance is 1000 μ F to the electric capacity C1 and electric capacity C2
Hold, electric capacity C4 is then from the electric capacity that capacitance is 220 μ F realizing.The resistance of the resistance R1 is 680 Ω, and resistance R2 is 600 Ω.
The Zener diode D2 can play a part of voltage stabilizing, and Zener diode D2 is realized using 2CW75 Zener diodes.Normally
When using, indicator lamp BL extinguishes.When being transshipped with electric loading, output voltage reduces, and triode VT2 is turned off with triode VT3,
And diode D1 is also switched off, triode VT1 conductings, indicator lamp BL is turned on and is lit, you can prompting user power utilization load overload
And cause circuit to disconnect, then quit work with electric loading.
It is of the present utility model to be not only simple in structure and cost is relatively low, it is also convenient for safeguarding.The utility model reasonable in design,
Luminous energy does not meet the use requirement of power circuit, moreover it is possible to shown by indicator lamp when being transshipped with electric loading, can be first
The situation of time prompting user power utilization load overload, user no longer needs cost time energy to go investigation to cause to be stopped work with electric loading
Abnormal conditions, therefore bring great convenience to user.Meanwhile, the operational amplifier P and inductance L, electric capacity C1, electric capacity
C2, electric capacity C3, resistance R1 and resistance R2 can constitute ripple peak restrained circuit, harmonic wave in input voltage can be eliminated or
Suppress, and can be powered to wave pressure and unrestrained galvanization suppress, and so as to improve efficiency of the present utility model, and can effectively prevent
Only load is damaged.
As described above, just can preferably realize the utility model.
Claims (4)
1. a kind of power overload situation indicates ripple peak restrained circuit, it is characterised in that：Mainly by operational amplifier P, triode
VT1, triode VT2, triode VT3, positive pole is connected Jing after inductance L with the positive input terminal of operational amplifier P, negative pole Jing resistance
The electric capacity C1 being connected with the output end of operational amplifier P after R1, positive pole is connected with the negative input end of operational amplifier P, bears
The electric capacity C2 that pole is connected with the colelctor electrode of triode VT1, positive pole is connected with the output end of operational amplifier P, negative pole and three
The electric capacity C3 that the colelctor electrode of pole pipe VT1 is connected, be serially connected in the output end of operational amplifier P and triode VT1 emitter stage it
Between resistance R2, the resistance R4 being serially connected between the emitter stage of the negative pole of electric capacity C1 and triode VT2, one end is Jing after indicator lamp BL
Be connected with the negative pole of electric capacity C1, the resistance R3 that the other end is connected with the emitter stage of triode VT1, P poles and electric capacity C1's is negative
The collection of the diode D1 that pole is connected, N poles are connected Jing after resistance R5 with the colelctor electrode of triode VT3, P poles and triode VT3
The Zener diode D2 that electrode is connected, N poles are connected with the base stage of triode VT3, is serially connected in the base stage and three of triode VT2
Resistance R6 between the base stage of pole pipe VT3, the resistance being serially connected between the base stage of the colelctor electrode of triode VT1 and triode VT3
R7, the resistance R8 being serially connected between the colelctor electrode of triode VT3 and emitter stage, and the emitter stage phase of positive pole and triode VT3
The electric capacity C4 compositions that connection, negative pole are connected with the colelctor electrode of triode VT1；The colelctor electrode and triode of the triode VT2
The colelctor electrode of VT1 is connected, and its emitter stage is connected with the base stage of triode VT1；The positive pole of the electric capacity C1 is with electric capacity C2's
Negative pole collectively constitutes power input, and the negative pole of the electric capacity C4 collectively constitutes output end with the colelctor electrode of triode VT3.
2. a kind of power overload situation according to claim 1 indicates ripple peak restrained circuit, it is characterised in that：Three pole
Pipe VT1～VT3 is 3AX51 triodes.
3. a kind of power overload situation according to claim 1 indicates ripple peak restrained circuit, it is characterised in that：Two pole
Pipe D1 is 1N4001 commutation diodes, and Zener diode D2 is 2CW75 Zener diodes.
4. a kind of power overload situation according to claim 1 indicates ripple peak restrained circuit, it is characterised in that：The computing
Amplifier P is LM358 single supply general-purpose operation amplifiers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117980.4U CN206164069U (en) | 2016-10-13 | 2016-10-13 | Power overload indication ripple voltage -spike suppression circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621117980.4U CN206164069U (en) | 2016-10-13 | 2016-10-13 | Power overload indication ripple voltage -spike suppression circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206164069U true CN206164069U (en) | 2017-05-10 |
Family
ID=58653286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621117980.4U Expired - Fee Related CN206164069U (en) | 2016-10-13 | 2016-10-13 | Power overload indication ripple voltage -spike suppression circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206164069U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109032017A (en) * | 2018-08-01 | 2018-12-18 | 合肥阅辞科技有限公司 | Intelligent safety defense monitoring system |
-
2016
- 2016-10-13 CN CN201621117980.4U patent/CN206164069U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109032017A (en) * | 2018-08-01 | 2018-12-18 | 合肥阅辞科技有限公司 | Intelligent safety defense monitoring system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Fengbin Inventor before: Mu Shaoying |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170928 Address after: 528400 F116 card, LED lighting accessories city, Cao Yi Road, Guzhen Town, Guzhen Town, Zhongshan, Guangdong Patentee after: Zhongshan Da Li Yuan Electronic Technology Co., Ltd. Address before: 611230 Sichuan Economic Development Zone, Chongzhou Province Youth (College) Venture Park, building 2, building 5, No., No. 1 Patentee before: Sichuan million energy saving environmental protection technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20171013 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |