CN206595978U - The PLC transistor output mouthful isolation circuits built with phase inverter and triode - Google Patents
The PLC transistor output mouthful isolation circuits built with phase inverter and triode Download PDFInfo
- Publication number
- CN206595978U CN206595978U CN201720034604.7U CN201720034604U CN206595978U CN 206595978 U CN206595978 U CN 206595978U CN 201720034604 U CN201720034604 U CN 201720034604U CN 206595978 U CN206595978 U CN 206595978U
- Authority
- CN
- China
- Prior art keywords
- phase inverter
- triode
- built
- output
- circuit
- 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
Landscapes
- Inverter Devices (AREA)
Abstract
The PLC transistor output mouthful isolation circuits built with phase inverter and triode, it includes PLC transistor outputs and common port, the isolation circuit built with phase inverter, the output circuit built with triode and the load circuit being connected with output circuit；Described PLC transistor outputs and common port is connected with the isolation circuit input built with the phase inverter, the output circuit input that the triode is built is connected with the isolation circuit output end built with phase inverter, and the load circuit is connected with the output circuit output end that triode is built；The isolation circuit built with phase inverter includes power module, phase inverter；+ 5V the ports of the power module are connected with the Vcc ports of the phase inverter, and the output port of the PLC transistors is connected with the A ports of the phase inverter, and PLC transistors output public port is connected with the GND ports of phase inverter and the 0V ports of power module.
Description
Technical field
Isolate electricity the utility model relates to the PLC transistor outputs mouthful that a kind of use phase inverter and triode are built
Road, belongs to PLC technology field.
Background technology
In the prior art, PLC transistor outputs mouthful because load circuit electric current it is excessive, PLC transistor outputs can be caused
Mouth is breakdown, and easily port circuit is failed.
The content of the invention
The purpose of this utility model is to overcome the shortcomings of that prior art is present, and provides a kind of simple in construction, and cost is low
The PLC transistor output mouthful isolation circuits that honest and clean and stable use phase inverter is built with triode.
The purpose of this utility model is completed by following technical solution, described one kind phase inverter and triode
The PLC transistor outputs mouthful isolation circuit of structure, it includes PLC transistor outputs and common port, built with phase inverter
Isolation circuit, the output circuit built with triode and the load circuit being connected with output circuit, described PLC transistors
The input of the isolation circuit of output end and common port with being built with the phase inverter is connected, the output electricity that the triode is built
The input on road is connected with the isolation circuit output end built with phase inverter, the output electricity that the load circuit is built with triode
Road output end is connected；The electric signal that described PLC transistor output oral instructions go out, by the isolation circuit built with phase inverter,
Triode V output control signals in the output circuit built by using triode, control load circuit.
As preferred：The isolation circuit built with phase inverter includes power module, phase inverter；The power module
+ 5V ports are connected with the phase inverter Vcc ports, described PLC transistor outputs mouth and the A ports phase of the phase inverter
Even, the PLC transistors output public port is connected respectively with the GND ports of the phase inverter, the 0V ends of power module.
As preferred：The output circuit built with triode includes resistance, LED, triode, voltage-stabiliser tube；It is described
Resistance one end be connected with the Y-port of phase inverter；The anode of the LED is connected with the other end of the resistance；Three pole
The base stage of pipe is connected with the negative terminal of the LED；The colelctor electrode of the triode is connected with the negative terminal of voltage-stabiliser tube is followed by load
The one end in loop, the emitter stage of the triode is connected with the 0V ends of the anode of voltage-stabiliser tube, power module is followed by load circuit
The other end.
The features such as the utility model has simple in construction, with low cost, and stable.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
The utility model is described in detail below in conjunction with accompanying drawing：Shown in Fig. 1, a kind of use described in the utility model
The PLC transistor output mouthful isolation circuits that phase inverter and triode are built, it include PLC transistor outputs and common port,
The isolation circuit built with phase inverter, the output circuit built with triode and the load circuit being connected with output circuit, institute
The PLC transistor outputs and common port stated are connected with the isolation circuit input built with phase inverter, the load circuit with
The output end that triode is built is connected；The electric signal that described PLC transistor output oral instructions go out, by what is built with phase inverter
Triode V output control signals in isolation circuit, the output circuit built by using triode, control load circuit.
Shown in figure, the isolation circuit described in the utility model built with phase inverter includes power module, phase inverter；It is described
+ 5V the ends of power module are connected with the phase inverter Vcc ports, described PLC transistor outputs mouthful and the phase inverter
A ports be connected, GND ports, the 0V ends of power module of PLC transistors output public port and the phase inverter
Connect respectively.
The output circuit described in the utility model built with triode includes：Resistance R, LED, triode V, voltage-stabiliser tube
VD；Described resistance R one end is connected with the Y-port of phase inverter；The other end phase of the anode of the LED and the resistance R
Connection；The base stage b of the triode V is connected with the negative terminal of the LED；The colelctor electrode C and voltage-stabiliser tube VD of the triode V
Negative terminal be connected and be followed by one end of load circuit, the emitter e of the triode V and voltage-stabiliser tube VD anode, power module
0V ends connect the other end for being followed by load circuit respectively.
The PLC transistor output mouthful isolation circuits that a kind of use phase inverter described in the utility model is built with triode, when
When PLC transistor outputs mouthful produce a low level signal, this signal is sent to the A ports of phase inverter, the Y-port of phase inverter
A high level signal is just produced, the high level signal controls triode V base stage b through resistance R and LED, makes triode V
Emitter e and colelctor electrode c saturation conductions, control load circuit.
Due to the electric signal that PLC transistor output oral instructions go out, by the isolation circuit built with phase inverter, by using three
Triode V output control signals in the output circuit that pole pipe is built, control load circuit, so that PLC transistor outputs
The existing electric transmission isolated and have signal between mouth and the triode V outputs in the output circuit built with triode.When negative
Loop is carried when there is over-current phenomenon avoidance, damage be triode V in output circuit and load circuit electric elements, will not damage
PLC transistor outputs mouthful, so as to play buffer action.
Claims (3)
1. the PLC transistor output mouthful isolation circuits built with phase inverter with triode, it includes PLC transistor outputs
The isolation circuit built with common port, with phase inverter, the output circuit built with triode and be connected with output circuit it is negative
Carry loop, it is characterised in that described PLC transistor outputs and common port and the isolation circuit built with the phase inverter are defeated
Enter end connection, the output circuit input that the triode is built is connected with the isolation circuit output end built with phase inverter, institute
State load circuit and be connected with the output circuit output end that triode is built.
2. the PLC transistor output mouthful isolation circuits that use phase inverter according to claim 1 is built with triode, its
It is characterised by that the isolation circuit built with phase inverter includes power module, phase inverter；+ 5V the ports of the power module with
The Vcc ports of the phase inverter are connected, and the output port of the PLC transistors is connected with the A ports of the phase inverter, the PLC
Transistor output public port is connected with the GND ports of phase inverter and the 0V ports of power module.
3. the PLC transistor output mouthful isolation circuits that use phase inverter according to claim 1 is built with triode, its
It is characterised by that the output circuit built with triode includes：Resistance, LED, triode, voltage-stabiliser tube；Described resistance one
End is connected with the Y-port of phase inverter；The anode of the LED is connected with the other end of the resistance；The base stage of the triode
It is connected with the negative terminal of the LED；The colelctor electrode of the triode is connected with the negative terminal of voltage-stabiliser tube is followed by the one of load circuit
End, the emitter stage of the triode is connected with the 0V ends of the anode of voltage-stabiliser tube, power module is followed by the other end of load circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720034604.7U CN206595978U (en) | 2017-01-12 | 2017-01-12 | The PLC transistor output mouthful isolation circuits built with phase inverter and triode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720034604.7U CN206595978U (en) | 2017-01-12 | 2017-01-12 | The PLC transistor output mouthful isolation circuits built with phase inverter and triode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206595978U true CN206595978U (en) | 2017-10-27 |
Family
ID=60128052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720034604.7U Expired - Fee Related CN206595978U (en) | 2017-01-12 | 2017-01-12 | The PLC transistor output mouthful isolation circuits built with phase inverter and triode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206595978U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106656159A (en) * | 2017-01-12 | 2017-05-10 | 嘉兴技师学院 | PLC transistor output port isolation circuit composed of phase inverter and triode |
-
2017
- 2017-01-12 CN CN201720034604.7U patent/CN206595978U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106656159A (en) * | 2017-01-12 | 2017-05-10 | 嘉兴技师学院 | PLC transistor output port isolation circuit composed of phase inverter and triode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103929169B (en) | Sensor output level isolation change-over circuit, level isolation change-over circuit and equipment | |
| CN201699683U (en) | Photoelectrical coupling circuit for improving data transfer rate | |
| CN206595978U (en) | The PLC transistor output mouthful isolation circuits built with phase inverter and triode | |
| CN206481210U (en) | A kind of new small power IGBT driving circuit | |
| CN202475346U (en) | Low-power direct-current brushless single-phase motor controller | |
| CN102545280A (en) | Charging circuit | |
| CN102231930B (en) | Light-control digital interface circuit | |
| WO2012155624A1 (en) | A method and a system for the level switching | |
| CN206421258U (en) | A kind of PLC transistor output mouthful isolation circuits built with triode | |
| CN102340237B (en) | Driving circuit | |
| CN101917184B (en) | Four-redundancy discrete signal integrated circuit | |
| CN106656159A (en) | PLC transistor output port isolation circuit composed of phase inverter and triode | |
| CN206595979U (en) | The PLC transistor output mouthful isolation circuits that a kind of use photoelectrical coupler is built with triode | |
| CN207939200U (en) | Clamping protection circuit | |
| CN206542331U (en) | A kind of auto-excitation type anti exciting converter | |
| CN201733130U (en) | Power supply management module circuit | |
| CN207283526U (en) | A kind of PLC transistor output mouth isolation circuits built with field-effect tube | |
| CN206077358U (en) | Bidirectional digital signal level-conversion circuit | |
| CN203838590U (en) | Under-voltage detection device | |
| CN104731728B (en) | A kind of drive circuit based on microprocessor I/O mouths | |
| CN105224005B (en) | Triode cascaded current mirror | |
| CN203775031U (en) | Power supply circuit and two-wire system electronic switching circuit using the power supply circuit | |
| CN203840304U (en) | Igbt drive circuit | |
| CN207895004U (en) | Low-voltage PWM sample circuits for combination instrument | |
| CN203423824U (en) | Dimmable LED lamp |
Legal Events
| 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: 20171027 Termination date: 20190112 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |