CN203377780U - Active given controller - Google Patents
Active given controller Download PDFInfo
- Publication number
- CN203377780U CN203377780U CN201320549317.1U CN201320549317U CN203377780U CN 203377780 U CN203377780 U CN 203377780U CN 201320549317 U CN201320549317 U CN 201320549317U CN 203377780 U CN203377780 U CN 203377780U
- Authority
- CN
- China
- Prior art keywords
- unit
- resistance
- given controller
- output
- operational amplification
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses an active given controller which is characterized by comprising a following unit (1), an operational amplification unit (2), a sawtooth wave generating unit (3), and an optocoupler isolation unit (4), wherein the following unit (1) is connected to the operational amplification unit (2), the given signal is output to the operational amplification unit (2); the sawtooth wave generating unit (3) is connected to the operational amplification unit (2), the optocoupler isolation unit (4) is connected to the operational amplification unit (2), and the operational amplification result is received and output. The given signal is output from the following unit and the square wave is operated and output by the operational amplification unit and the square wave is output through the optocoupler isolation unit (4), so as to effectively reduce the interference and ensure equipment safety.
Description
Technical field
The utility model relates to a kind of meritorious given controller, is mainly used in using on frequency conversion equipment that electromagnetic interference is serious.
Background technology
Frequency conversion equipment mostly works in the occasion that electromagnetic interference is serious.Therefore, when equipment moves, can produce additional interference on electronic circuit, cause equipment job insecurity, particularly series resonance testing device especially to fear to disturb, when serious, can cause equipment to damage at any time.
Summary of the invention
The utility model purpose is to solve above-mentioned defect of the prior art, and a kind of meritorious given controller is provided, and effectively reduce disturbance, protect device security.
The utility model is for achieving the above object, the technological means adopted is: a kind of meritorious given controller, comprise, follow unit, operation amplifier unit, sawtooth waveforms generating unit, light-coupled isolation unit, the described unit concatenation operation amplifying unit of following, export to the operation amplifier unit by given signal; Described sawtooth waveforms generating unit concatenation operation amplifying unit, described light-coupled isolation unit concatenation operation amplifying unit, receive amplifier result output.
Further, described sawtooth waveforms generating unit comprises operational amplifier A, B and is attached thereto resistance R 1, R2, R3, R4, R5, capacitor C 1, diode D1.
Further, the described unit of following comprises resistance R 6 and follower D.
Further, described operation amplifier unit comprises operational amplifier C and the resistance R 7, resistance R 8, the resistance R 9 that are attached thereto.
Further, described light-coupled isolation unit comprises photoelectrical coupler U1 and the resistance R 10, resistance R 11, resistance R 12 and the capacitor C 2 that are attached thereto.
The utility model beneficial effect is: by following the given signal in unit and operation amplifier unitary operation output square wave, by the output of light-coupled isolation unit, effectively reduced interference, the safety of protection equipment.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is schematic block circuit diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
In figure: 1, follow unit, 2, the operation amplifier unit, 3, the sawtooth waveforms generating unit, 4, the light-coupled isolation unit.
Embodiment
A kind of meritorious given controller as shown in Figure 1 comprises that follow unit 1, operation amplifier unit 2, sawtooth waveforms generating unit 3, light-coupled isolation unit 4, the described unit 1 concatenation operation amplifying unit 2 of following, export to operation amplifier unit 2 by given signal; Described sawtooth waveforms generating unit 3 concatenation operation amplifying units 2, described light-coupled isolation unit 4 concatenation operation amplifying units 2, receive amplifier result output.
As shown in Figure 2, resistance R 1, R2, R3, R4, R5, capacitor C 1, diode D1 that described sawtooth waveforms generating unit 3 comprises operational amplifier A, B and is attached thereto, operational amplifier B output frequency 1000Hz, the sawtooth waveforms that amplitude is 15V; The described unit 1 of following comprises R6 and follower D, and given side G is through R6 and follower D output voltage; Described operation amplifier unit 2 comprises operational amplifier C and R7, the R8, the R9 that are attached thereto, operational amplifier C receives sawtooth waveforms generating unit 3 and exports light-coupled isolation unit 4 to through R7 with after following the data union that unit 1 enters operational amplifier C through R8, and output signal increases with the G signal; Described light-coupled isolation unit 4 comprises photoelectrical coupler U1 and R10, the R11, R12 and the C2 that are attached thereto, and the amplifier result is through R10, R11, photoelectrical coupler e utmost point output Power Regulation.
The above; for embodiment of the present utility model, be not limited to this, anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, within all should being encompassed in protection range of the present utility model.
Claims (5)
1. meritorious given controller, it is characterized in that: comprise, follow unit (1), operation amplifier unit (2), sawtooth waveforms generating unit (3), light-coupled isolation unit (4), described unit (1) the concatenation operation amplifying unit (2) of following, export to operation amplifier unit (2) by given signal; Described sawtooth waveforms generating unit (3) concatenation operation amplifying unit (2), described light-coupled isolation unit (4) concatenation operation amplifying unit (2), receive amplifier result output.
2. meritorious given controller according to claim 1, is characterized in that: resistance R 1, R2, R3, R4, R5, capacitor C 1, diode D1 that described sawtooth waveforms generating unit (3) comprises operational amplifier A, B and is attached thereto.
3. meritorious given controller according to claim 1, it is characterized in that: the described unit (1) of following comprises resistance R 6 and follower D.
4. meritorious given controller according to claim 1, it is characterized in that: described operation amplifier unit (2) comprises operational amplifier C and the resistance R 7, resistance R 8, the resistance R 9 that are attached thereto.
5. meritorious given controller according to claim 1, it is characterized in that: described light-coupled isolation unit (4) comprises photoelectrical coupler U1 and the resistance R 10, resistance R 11, resistance R 12 and the capacitor C 2 that are attached thereto.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549317.1U CN203377780U (en) | 2013-08-28 | 2013-08-28 | Active given controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320549317.1U CN203377780U (en) | 2013-08-28 | 2013-08-28 | Active given controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203377780U true CN203377780U (en) | 2014-01-01 |
Family
ID=49840283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320549317.1U Expired - Fee Related CN203377780U (en) | 2013-08-28 | 2013-08-28 | Active given controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203377780U (en) |
-
2013
- 2013-08-28 CN CN201320549317.1U patent/CN203377780U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MY192046A (en) | Method and device for detecting current of inductor of pfc circuit | |
| CN204028283U (en) | A kind of novel fault arc detection device | |
| CN203933537U (en) | Automatic level control circuit | |
| CN203377780U (en) | Active given controller | |
| CN101949972A (en) | Current measurement device for high-voltage converter | |
| CN204480069U (en) | Vehicle electronic device vibration control apparatus | |
| CN203691366U (en) | Thyristor driving circuit suitable for high-voltage TSC reactive power compensator | |
| CN103017928A (en) | Ultrasonic power supply temperature detection circuit | |
| CN202475244U (en) | Rectifier trigging pulse isolating equipment | |
| CN202533575U (en) | Intelligent electric-energy-meter detection system | |
| CN201336768Y (en) | High-voltage wide-pulse plasma sheet excitation power source | |
| CN206212566U (en) | A kind of anti-electromagnetic interference device for PLC control system | |
| CN203204068U (en) | Three phase active power transmitter | |
| CN203949686U (en) | Vacuum pump driving-belt failure warning system | |
| CN204101653U (en) | A kind of electrical device noise fest device | |
| CN103335147A (en) | Intelligent valve positioner based on HART communication | |
| CN204068901U (en) | A kind of in-phase synchronization pulse-detecting circuit | |
| CN203759139U (en) | Isolation and protection circuit for high-voltage live-line monitoring | |
| CN104716947B (en) | Coupling circuit for pulse generator and tested equipment power supply | |
| CN203326870U (en) | Power supply system of high-frequency switch | |
| CN202928549U (en) | Automatic stator checkout equipment | |
| CN205157627U (en) | Passive 600 lie prostrate direct current voltage sensor | |
| CN203455416U (en) | Ring main unit phase checking loop closing device | |
| CN202475243U (en) | Contravariant trigger impulse isolation device | |
| CN203012151U (en) | Anti-interference inductive sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20170828 |