CN202975637U - On-off input signal collecting and on-off output signal forwarding device for wind power generation - Google Patents
On-off input signal collecting and on-off output signal forwarding device for wind power generation Download PDFInfo
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- CN202975637U CN202975637U CN 201220654328 CN201220654328U CN202975637U CN 202975637 U CN202975637 U CN 202975637U CN 201220654328 CN201220654328 CN 201220654328 CN 201220654328 U CN201220654328 U CN 201220654328U CN 202975637 U CN202975637 U CN 202975637U
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Abstract
The utility model provides an on-off input signal collecting and on-off output signal forwarding device for wind power generation. The device comprises an on-off input signal collecting unit and an on-off output signal forwarding unit, wherein the on-off input signal collecting unit comprises a first photoelectric isolation chip and a first inverter chip, an on-off input signal collecting interface is connected with the first photoelectric isolation chip, the first photoelectric isolation chip is connected with the first inverter chip, the first inverter chip is connected with a central control unit, the on-off output signal forwarding unit comprises a second photoelectric isolation chip, a second inverter chip and an intermediate relay, an on-off output command interface of the central control unit is connected with the second photoelectric isolation chip, the second photoelectric isolation chip is connected with the second inverter chip, the second inverter chip is connected with the intermediate relay, and the intermediate relay is connected with an external electrical interface. The device realizes reliable protection for a circuit board and a main control unit, avoids accidental damage to a master control part by signals of an external electric appliance and has the advantage of a wide application scope.
Description
Technical field
The utility model relates to a kind of used for wind power generation collection and opens into signal and forwarding and leave telltale.
Background technology
The central control unit of wind electric converter system, need a kind of device of undertaking the channeling of central control unit and outside electric elements, realizing the collection of status signal and the transfer issue of action command, thereby realize operation and state acquisition to outside electric equipment, avoid the signal of outside electrical equipment to the accident harm of main control part.
The utility model content
Based on above weak point, the utility model discloses a kind of used for wind power generation collection and opens into signal and forwarding and leave telltale, its function is to realize that master controller amplifies the transfer of outside electric equipment action command collection and the master controller of outside electric equipment status signal, thereby realizes operation and state acquisition to outside electric equipment.
The purpose of this utility model is to provide a kind of collection to open into signal and transfer and sends the functional circuit plate of leaving signal.The purpose of this utility model is achieved in that a kind of used for wind power generation collection is opened into signal and forwarding and leaves telltale, comprise gathering to open into signal element and forwarding and leave signal element, collection is opened into signal element and is comprised the first photoelectric isolated chip TLP521-4 and the first phase inverter chip ULN2004A, collection is opened into signaling interface and is connected with the first photoelectric isolated chip TLP521-4, the first photoelectric isolated chip TLP521-4 be connected phase inverter chip ULN2004A and connect, the first phase inverter chip ULN2004A opens into signaling interface with central control unit and is connected; Forwarding is left signal element and is comprised the second photoelectric isolated chip TLP521-4, the second phase inverter chip ULN2004A and auxiliary reclay G6D-1A-ASI, the signaling interface of leaving of central control unit is connected with the second photoelectric isolated chip TLP521-4, the second photoelectric isolated chip TLP521-4 is connected with the second phase inverter chip ULN2004A, the second phase inverter chip ULN2004A is connected with auxiliary reclay G6D-1A-ASI, and auxiliary reclay G6D-1A-ASI is connected with the external electrical interface.
The major function of this device is to gather open into signal and send and leave signal.Wherein open the running status that is used for judgement external electrical equipment into the collection of signal, leave part for receiving the order of leaving of master controller, will leave order and convert control signal to by relay and spread out of in this device, move thereby control the next stage electrical equipment.This device is isolated signal and the circuit board internal signal of outside electrical equipment by optocoupler, thereby has realized the reliably protecting to this circuit board and main control unit, avoids the signal of outside electrical equipment to the accident harm of main control part; Has simultaneously application advantage widely.
Description of drawings
Fig. 1 is that collection of the present utility model is opened into the signal circuit schematic diagram;
Fig. 2 is that the signal circuit schematic diagram is left in the utility model processing;
Fig. 3 is that the utility model is through auxiliary reclay treatment circuit schematic diagram;
Fig. 4 is the utility model interface circuit and DC power-supply circuit reason schematic diagram;
Fig. 5 is the utility model schematic block circuit diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described: embodiment 1
As shown in Figure 5, a kind of used for wind power generation collection is opened into signal and forwarding and is left telltale, comprise gathering to open into signal element and forwarding and leave signal element, collection is opened into signal element and is comprised the first photoelectric isolated chip TLP521-4 1 and the first phase inverter chip ULN2004A 2, collection is opened into signaling interface and is connected with the first photoelectric isolated chip TLP521-4 1, the first photoelectric isolated chip TLP521-4 1 be connected phase inverter chip ULN2004A 2 and connect, the first phase inverter chip ULN2004A 2 opens into signaling interface with central control unit and is connected; Forwarding is left signal element and is comprised the second photoelectric isolated chip TLP521-4 3, the second phase inverter chip ULN2004A 4 and auxiliary reclay G6D-1A-ASI 5, the signaling interface of leaving of central control unit is connected with the second photoelectric isolated chip TLP521-4 3, the second photoelectric isolated chip TLP521-4 3 is connected with the second phase inverter chip ULN2004A 4, the second phase inverter chip ULN2004A 4 is connected with auxiliary reclay G6D-1A-ASI 5, and auxiliary reclay G6D-1A-ASI 5 is connected with the external electrical interface.
Fig. 1 is that the signal circuit schematic diagram is left in the utility model processing.VDD33 is the 3.3V direct supply, and he is provided by interface X1.DIN0-DIN3 provides for opening into semaphore and by interface J2 of gathering, and this opens signal after opto-coupler chip TLP521-4 processes afterwards, and the signal after circuit board internal signal and outside are gathered is realized the photoelectricity isolation, thereby makes it more reliable and secure.Signal after being isolated is afterwards processed through chip ULN2004A, realizes that high-low level is reverse, thereby the signal after processed can be used by main control unit.The signal of each road after processed is Low level effective in addition, and when being low level, the light emitting diode on this road is lighted as signal designation.
Fig. 2 is that collection of the present utility model is opened into the signal circuit schematic diagram.VDD33 is the 3.3V direct supply, and he is provided by interface X1.DO0-DO3 leaves order and is provided by interface X1 for what main control unit sent, this opens signal after opto-coupler chip TLP521-4 processes afterwards, leave command signal and the circuit board internal signal of main control unit are realized the photoelectricity isolation, thereby make it more reliable and secure.Signal after being isolated is afterwards processed through chip ULN2004A, realize high-low level oppositely and the signal amplification, after thereby the driving force that makes the signal after processed strengthens, the signal of handling well is passed to the relay in Fig. 3, signal after relay is processed becomes OUT0-ON～OUT3-ON, and this 4 the road is left signal and pass through interface J1.The signal of each road after processed is Low level effective in addition, and when being low level, the light emitting diode on this road is lighted as signal designation.
Fig. 4 is the utility model interface circuit and DC power-supply circuit reason schematic diagram.After 24V, power supply is directly powered by the external switch power supply, and has light emitting diode to indicate.Interface X1 is connected with main control unit.Interface J1 is connected with outside electrical equipment, as the interface of controlling outside electrical equipment.Interface J2 opens into command interface for gathering.This having a wide range of applications property of utility model in addition, as long as be consistent with the signal definition of interface X1, this utility model just can be used in combination with multiple master controller, realizes rotating function in its signal.
Claims (1)
1. a used for wind power generation collection is opened into signal and forwarding and is left telltale, comprise gathering to open into signal element and forwarding and leave signal element, it is characterized in that: collection is opened into signal element and is comprised the first photoelectric isolated chip TLP521-4(1) and the first phase inverter chip ULN2004A(2), collection is opened into signaling interface and the first photoelectric isolated chip TLP521-4(1) be connected, the first photoelectric isolated chip TLP521-4(1) be connected phase inverter chip ULN2004A(2) connect, the first phase inverter chip ULN2004A(2) open into signaling interface with central control unit and be connected, forwarding is left signal element and is comprised the second photoelectric isolated chip TLP521-4(3), the second phase inverter chip ULN2004A(4) and auxiliary reclay G6D-1A-ASI(5), central control unit leave signaling interface and the second photoelectric isolated chip TLP521-4(3) be connected, the second photoelectric isolated chip TLP521-4(3) with the second phase inverter chip ULN2004A(4) be connected, the second phase inverter chip ULN2004A(4) with auxiliary reclay G6D-1A-ASI(5) be connected auxiliary reclay G6D-1A-ASI(5) be connected with the external electrical interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220654328 CN202975637U (en) | 2012-12-03 | 2012-12-03 | On-off input signal collecting and on-off output signal forwarding device for wind power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220654328 CN202975637U (en) | 2012-12-03 | 2012-12-03 | On-off input signal collecting and on-off output signal forwarding device for wind power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202975637U true CN202975637U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220654328 Expired - Lifetime CN202975637U (en) | 2012-12-03 | 2012-12-03 | On-off input signal collecting and on-off output signal forwarding device for wind power generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202975637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655199A (en) * | 2016-01-18 | 2016-06-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Relay control device and method |
-
2012
- 2012-12-03 CN CN 201220654328 patent/CN202975637U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105655199A (en) * | 2016-01-18 | 2016-06-08 | 珠海格力节能环保制冷技术研究中心有限公司 | Relay control device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
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| CX01 | Expiry of patent term |