CN203311624U - Signal conversion processing circuit - Google Patents
Signal conversion processing circuit Download PDFInfo
- Publication number
- CN203311624U CN203311624U CN2013203840948U CN201320384094U CN203311624U CN 203311624 U CN203311624 U CN 203311624U CN 2013203840948 U CN2013203840948 U CN 2013203840948U CN 201320384094 U CN201320384094 U CN 201320384094U CN 203311624 U CN203311624 U CN 203311624U
- Authority
- CN
- China
- Prior art keywords
- signal
- cpld
- vcm
- circuit
- light
- 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 - Lifetime
Links
Images
Landscapes
- Optical Communication System (AREA)
Abstract
The utility model provides a signal conversion processing circuit, which is used for converting and processing of a control signal connected with a primary control program (PCP) side and valve control monitoring equipment (VCM), wherein a light control signal and a state signal of the primary control program are converted into electric signals through a photoelectric conversion unit, and then transmitted to inside of a complex programmable logic device (CPLD); the electric signal of the VCM is transmitted to inside of the CPLD after being isolated by a signal isolation unit; a signal transmission unit comprises an inverting circuit and a light-emitting circuit; the inverting circuit is formed by a darlington transistor array apparatus; the light-emitting circuit is formed by a dual-channel driver with outer current and a luminescent device; the CPLD converts the electric signal of the VCM into a voltage signal which can be received by the VCM, and transmitted to the VCM through the inverting circuit formed by the darlington transistor array apparatus; and the CPLD converts the electric signal of the primary control program into the light signal and then transmits to the primary control program through the light-emitting circuit which is formed by the dual-channel driver with outer current and the luminescent device.
Description
[technical field]
The utility model relates to a kind of signal conversion processing circuit, relates in particular to several frequency signal inputs, output circuit.
[background technology]
In order to realize the control signal transmission of utmost point control equipment and valve control monitoring equipment, both need to be issued to the other side's signal and process, in order to reach the reception requirement.The signal of processing is important control signal, is determining whether converter valve can normally be moved, and is the important step of the operation of DC transmission system.
The conversion of existing signal, treatment circuit do not have control part able to programme, in case the terminal device upgrading is easy to cause again developing the situation of signal transducer card.
[utility model content]
The purpose of this utility model is to provide a kind of signal conversion processing circuit, and its wiring is simple, reliable operation, has reduced to cause because of device upgrade the situation of again developing change-over panel.
To achieve these goals, the utility model adopts following technical scheme:
A kind of photosignal conversion processing circuit, for utmost point control side and valve, control control signal conversion, the processing that monitoring equipment is connected, the photosignal conversion processing circuit comprises signal receiving unit, CPLD and signal transmitting unit, described signal receiving unit comprises photoelectric conversion unit and signal isolated location (U2), the optical control signal of utmost point control and status signal fill to change after unit is converted into electric signal by photoelectricity and are sent in CPLD, and the electric signal of described VCM is delivered in CPLD after by the signal isolated location, isolating; Described signal transmitting unit comprises the negater circuit of darlington transistor array device formation and the luminous loop of binary channels electric current peripheral drive and luminescent device formation, described CPLD is by after the conversion of the electric signal of VCM, it is transferred to the voltage signal that VCM can receive and gives VCM by the negater circuit that the darlington transistor array device forms, and described CPLD is converted to by the electric signal of utmost point control the luminous loop formed by binary channels electric current peripheral drive and luminescent device after light signal and gives utmost point control.
As preferred embodiment of the present utility model, described CPLD is connected by the input end in the luminous loop that two CPLD outputs or negater circuit that door forms with the darlington transistor array device respectively and binary channels electric current peripheral drive and luminescent device form.
Compared with prior art, the circuit that the utility model adopts the devices such as electric current peripheral drive and CPLD to form, can realize the function needed, and the room for promotion of functional requirement can be arranged again, except baseband signal, also reserved some and expanded the ability of signal.
[accompanying drawing explanation]
Fig. 1 is the circuit block diagram of the utility model circuit;
Fig. 2 is the circuit structure diagram of the second working cell U2 in Fig. 1;
Fig. 3 is the circuit structure diagram of the 5th working cell U5 in Fig. 1;
Fig. 4 is the circuit structure diagram of the 6th working cell U6 in Fig. 1.
Wherein: the first working cell U1 is electrooptical device, the second working cell U2 is that light is every the signal isolation circuit formed, the 3rd working cell U3 is signal decipher, the processing that CPLD forms, the 4th working cell U4 is that two CPLD export or door, the 5th working cell U5 is the negater circuit that the darlington transistor array device forms, and the 6th working cell U6 is the luminous loop that binary channels electric current peripheral drive and luminescent device form.
[embodiment]
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Refer to instructions Fig. 1 to shown in Figure 4, the utility model comprises the first working cell U1, the second working cell U2, the 3rd working cell U3, the 4th working cell U4, the 5th working cell U5, the 6th working cell U6, the output of the first working cell U1 and the second working cell U2 is connected respectively to the input of the 3rd working cell U3, and the input that is connected to the 5th working cell U5 and the 6th working cell U6 is exported respectively in the output of the 3rd working cell U3 by the 4th working cell U4.The 3rd working cell U3 completes core work, the decipher of signal, process of compilation.Wherein, the first working cell U1 is electrooptical device, the second working cell U2 is that light is every the signal isolation circuit formed, the 3rd working cell U3 is signal decipher, the processing that CPLD forms, the 4th working cell U4 is that two CPLD export or door, the 5th working cell U5 is the negater circuit that the darlington transistor array device forms, and the 6th working cell U6 is the luminous loop that binary channels electric current peripheral drive and luminescent device form.
Please consult especially shown in Figure 2ly, be the circuit diagram of signal isolated location, from the electric signal of VCM, be output as the signal that CPLD can use after signal isolated location U2 isolation, and be connected on the corresponding pin of CPLD; Please consult especially shown in Figure 3ly, be the negater circuit that the darlington transistor array device forms, CPLD, by after the conversion of the electric signal of VCM, transfers it to voltage signal that VCM can receive, gives VCM through Darlington transistor after oppositely; Please consult especially shown in Figure 4, luminous loop for binary channels electric current peripheral drive and luminescent device formation, after CPLD is converted to light signal by the electric signal of utmost point control, through the luminous loop of binary channels electric current peripheral drive and luminescent device formation, give utmost point control by light signal.
During the application of the utility model signal conversion processing circuit, the first working cell U1 receives optical control signal and the status signal that PCP sends, and converts thereof into the electric signal that CPLD can receive, and then delivers to the 3rd working cell U3.The second working cell U2 receives the electric signal that VCM sends here, utilizes isolating device protection device safety, and is converted to the receivable magnitude of voltage of CPLD, then delivers to the 3rd working cell U3.After the 3rd working cell U3 receives signal, after carrying out decipher, logic judgement and processing conversion, by the 4th working cell U4, signal is delivered to the 5th working cell U5 and the 6th working cell U6.The electric signal that the 5th working cell U5 sends CPLD here after changing is sent the voltage signal that VCM can receive.After the electric signal that the 6th working cell U6 sends CPLD here is converted to the light signal with certain energy, deliver to PCP.Complete thus current conversion station utmost point control equipment and valve and controlled good control, the state communication of monitoring equipment.
Signal of the present utility model comprises following:
PCP contains to the fiber-optic signal of CLC_2:
12 road CP signals: this signal adopts modulation transmissions, in each trigger process, will continue a kind of frequencies of light signal of 120 electric angles.
3 tunnel system activation signals: this signal adopts modulation transmissions, and in the time of a kind of frequency signal of transmission, the expression system activates; When transmission when another kind of frequency signal, the expression system is normal but be standby; When no signal, the system that can be judged as connects abnormal.
The master control borad of VCM is to the electric signal of CLC_2:
2 kinds of status signals: when 12 line state signals, VCM send trigger command to each single valve, can send a pulse signal to CLC_2, to mean that VCM has sent trigger command to corresponding valve arm; When VCM is ready, has standby ready signal and give CLC_2.
CLC_2 is to the electric signal of VCM master control borad:
3 kinds of control command signals: when system activates, can transmit a kind of signal; When system normal but while being standby, can transmit another kind of signal; Also have the 12 treated control signals in road.
CLC_2 contains to the fiber-optic signal of PCP:
12 line state signals: this model adopts modulation transmissions, when for lasting pulse signal, means that VCM has sent trigger command to corresponding valve arm; When being a kind of frequency signal, meaning the VCM device normally but do not receive the PCP normal signal; When being another kind of frequency signal, meaning that the VCM device is normal and receive the PCP normal signal.
Claims (2)
1. photosignal conversion processing circuit, for utmost point control (PCP) side and valve, control the control signal conversion that monitoring equipment (VCM) is connected, process, it is characterized in that: the photosignal conversion processing circuit comprises signal receiving unit, CPLD(U3), and signal transmitting unit, described signal receiving unit comprises photoelectric conversion unit (U1) and signal isolated location (U2), the optical control signal of utmost point control and status signal are sent in CPLD after by photoelectric conversion unit, being converted into electric signal, the electric signal of described VCM is delivered in CPLD after by the signal isolated location, isolating, described signal transmitting unit comprises the negater circuit (U5) of darlington transistor array device formation and the luminous loop (U6) of binary channels electric current peripheral drive and luminescent device formation, described CPLD is by after the conversion of the electric signal of VCM, it is transferred to the voltage signal that VCM can receive and gives VCM by the negater circuit (U5) that the darlington transistor array device forms, and described CPLD gives utmost point control by the luminous loop (U6) of binary channels electric current peripheral drive and luminescent device formation after the electric signal of utmost point control is converted to light signal.
2. a kind of photosignal conversion processing circuit as claimed in claim 1 is characterized in that: described CPLD is connected by the input end in the luminous loop (U6) of two CPLD outputs or negater circuit (U5) that door (U4) forms with the darlington transistor array device respectively and binary channels electric current peripheral drive and luminescent device formation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203840948U CN203311624U (en) | 2013-06-28 | 2013-06-28 | Signal conversion processing circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203840948U CN203311624U (en) | 2013-06-28 | 2013-06-28 | Signal conversion processing circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203311624U true CN203311624U (en) | 2013-11-27 |
Family
ID=49617815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203840948U Expired - Lifetime CN203311624U (en) | 2013-06-28 | 2013-06-28 | Signal conversion processing circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203311624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107102587A (en) * | 2017-05-24 | 2017-08-29 | 海信（山东）冰箱有限公司 | A kind of electric equipment, appliance information interactive system and its control method |
-
2013
- 2013-06-28 CN CN2013203840948U patent/CN203311624U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107102587A (en) * | 2017-05-24 | 2017-08-29 | 海信（山东）冰箱有限公司 | A kind of electric equipment, appliance information interactive system and its control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204347575U (en) | A kind of distributed system and centralized control apparatus thereof | |
| CN201207647Y (en) | Two-wire system non-polarity master-slave type communication transceiver | |
| CN104932373A (en) | Intelligent industrial network protocol wireless converter | |
| CN104597789A (en) | Charging pile self-checking device, system and method | |
| CN203325183U (en) | Transmitting system and receiving systems for remote control of intelligent household electrical appliances | |
| CN203311624U (en) | Signal conversion processing circuit | |
| CN203014825U (en) | PCM interface test device | |
| CN106647490A (en) | Plasma generator power supply control system | |
| CN202073565U (en) | Mine-used integral solenoid valve | |
| CN202661873U (en) | Intelligent phone-based automobile diagnosing system | |
| CN202935897U (en) | Sudden-stop lock switch position recognition device of belt conveyor | |
| CN204347580U (en) | A kind of remote-controlled wireless public network emergency communication device | |
| CN203882438U (en) | System for controlling multiple slave machines by jointing wall unit through remote control master machine | |
| CN204314689U (en) | Based on the PLC wireless control system of Bluetooth transmission | |
| CN102005822A (en) | Device capable of performing single-point monitoring on low-voltage electric equipment | |
| CN202916668U (en) | Andriod system-based separating type HMI controller for injection molding machine and injection molding machine control system | |
| CN104909290A (en) | Electric hoist based on Android system | |
| CN201878141U (en) | Bluetooth transmission device for coal mining machine | |
| CN207397470U (en) | A kind of Internet of Things intelligent monitor system | |
| CN204116864U (en) | The Wireless driving device of a kind of Long-distance Control underground equipment start and stop | |
| CN104269046A (en) | Bus communication based infrared remote control device | |
| CN204439209U (en) | Luminous power real-time monitoring device | |
| CN205091904U (en) | Step pump station radio control apparatus of water -storage power station water supply for construction system | |
| CN204873669U (en) | Electric block based on tall and erect system of ann | |
| CN201985768U (en) | Embedded and remotely-controlled frequency converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131127 |