CN207114718U - Switch remote signalling transmitter - Google Patents
Switch remote signalling transmitter Download PDFInfo
- Publication number
- CN207114718U CN207114718U CN201720902378.XU CN201720902378U CN207114718U CN 207114718 U CN207114718 U CN 207114718U CN 201720902378 U CN201720902378 U CN 201720902378U CN 207114718 U CN207114718 U CN 207114718U
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- CN
- China
- Prior art keywords
- circuit
- switch
- remote signalling
- circuits
- microcontroller
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- 230000011664 signaling Effects 0.000 title claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
Abstract
It the utility model is related to a kind of switch remote signalling transmitter.N number of switch quantity acquisition circuit for being connected including microcontroller circuit and with the microcontroller circuit, one are used for telecommunication circuit communicate with host computer, in addition to one is used for the power circuit powered for whole transmitter；The capacity voltage dropping circuit that the switch quantity acquisition circuit includes being used to detect civil power on off operating mode, the direct current DC/DC circuits for detecting dry contact switch and the photoelectrical coupler being connected with the capacity voltage dropping circuit, direct current DC/DC circuits, the photoelectrical coupler are additionally coupled to the microcontroller circuit.The utility model can support the exchange AC220V on up to 20 tunnels switch remote signalling to monitor, and support to be directly accessed monitoring or dry contact access using active AC220V, easy for installation simple without a variety of modular converters, and use RS485 communication modes, support remote maintenance.
Description
Technical field
A kind of transmitter of Intelligent power distribution switch state remote signalling is the utility model is related to, particularly a kind of switch remote signalling pick-up
Device.
Background technology
The on off state monitoring on the market for intelligent power distribution typically uses panel switches annex auxiliary contact at present, passes through
Mechanical linkage mode output switch amount signal, then upload is acquired using switching value monitoring modular, it can not use active
AC220V access ways directly monitor, and such input cost is high, it is big to take distribution space, safeguards complicated.
The content of the invention
The purpose of this utility model is to provide a kind of exchange AC220V for switching remote signalling transmitter, can supporting up to 20 tunnels
Switch remote signalling monitoring, support to be directly accessed monitoring or dry contact access, without a variety of modular converters, peace using active AC220V
Fill it is convenient and simple, and use RS485 communication modes, support remote maintenance.
To achieve the above object, the technical solution of the utility model is：One kind switch remote signalling transmitter, including microcontroller
Circuit and the N number of switch quantity acquisition circuit being connected with the microcontroller circuit, a telecommunication circuit for being communicated with host computer, also
It is used for the power circuit for the power supply of whole transmitter including one；The switch quantity acquisition circuit includes being used to detect civil power break-make shape
The capacity voltage dropping circuit of state, for detect dry contact switch direct current DC/DC circuits and with the capacity voltage dropping circuit, direct current
The photoelectrical coupler of DC/DC circuits connection, the photoelectrical coupler are additionally coupled to the microcontroller circuit；Wherein, N be more than
Integer equal to 1.
In the embodiment of the utility model one, the microcontroller circuit uses C8051F340 chips.
In the embodiment of the utility model one, the telecommunication circuit is RS485 telecommunication circuits, and the RS485 telecommunication circuits are adopted
With MAX13485 chips.
In the embodiment of the utility model one, the photoelectrical coupler uses TLP781.
Compared to prior art, the utility model has the advantages that：
1st, the exchange AC220V on up to 20 tunnels switch remote signalling monitoring is supported；
2nd, support to be directly accessed monitoring or dry contact access using active AC220V, without a variety of modular converters, installation side
Just it is simple, maintenance scheme；
3rd, using RS485 communication modes, remote maintenance is supported.
Brief description of the drawings
Fig. 1 is the utility model microcontroller circuit schematic diagram.
Fig. 2 is the utility model RS485 telecommunication circuit schematic diagrams.
Fig. 3 is the switch quantity acquisition circuit schematic diagram of the utility model wherein all the way.
Fig. 4 is the utility model power circuit principle figure.
Embodiment
Below in conjunction with the accompanying drawings, the technical solution of the utility model is specifically described.
A kind of switch remote signalling transmitter of the present utility model, including microcontroller circuit and be connected with the microcontroller circuit
N number of switch quantity acquisition circuit, one be used for the telecommunication circuit that communicate with host computer, in addition to one is used for for the power supply of whole transmitter
Power circuit；The switch quantity acquisition circuit includes being used to detect the capacity voltage dropping circuit of civil power on off operating mode, for detecting
The direct current DC/DC circuits of dry contact switch and the photoelectrical coupler being connected with the capacity voltage dropping circuit, direct current DC/DC circuits,
The photoelectrical coupler is additionally coupled to the microcontroller circuit；Wherein, N is the integer more than or equal to 1.
The microcontroller circuit uses C8051F340 chips.The telecommunication circuit is RS485 telecommunication circuits, the RS485
Telecommunication circuit uses MAX13485 chips.
The photoelectrical coupler uses TLP781.
It is specific implementation example of the present utility model below.
Switch remote signalling transmitter of the present utility model, including following three parts：
Microcontroller circuit as shown in Figure 1, 2 and communications portion：
Partial circuit master has microcontroller C8051F340 circuits and RS485 telecommunication circuits；All 22 line states are through photoelectricity
The IO of microcontroller and collection are sent to after coupler, then upper seat in the plane reads by RS485 communication interfaces；RS485 circuits make
With MAX13485 chips.
Switching value (remote signalling amount) Acquisition Circuit as shown in Figure 3：
The partial circuit is (dry with detection by capacity voltage dropping circuit (being used to detect civil power on off operating mode), direct current DC/DC circuits
The switching point of contact), photoelectrical coupler TLP781;Principle：Switching value (remote signalling amount) is through capacity voltage dropping circuit or direct current DC/DC electricity
Road, photoelectrical coupler is driven, is then gathered by microcontroller；This partial circuit only realizes that 1 way switch amount (remote signalling amount) gathers, if
22 tunnels are realized, 21 parts are made this is replied by cable, being then delivered to microcontroller difference I/O port can the collection of the tunnels of Shi Xian 22.
Power circuit as shown in Figure 4：
Realize that it makes many transistors on one piece of less monocrystalline silicon piece by power supply IC LNK304 in the part
And the component such as resistor, capacitor, and component is combined into complete electricity by the method connected up according to multilayer wiring or tunnel
Sub-circuit；It is that the power supply needed for circuit can be achieved only to need additional a small amount of R, L, C and diode.
Above is preferred embodiment of the present utility model, all changes made according to technical solutions of the utility model are produced
Function without departing from technical solutions of the utility model scope when, belong to the scope of protection of the utility model.
Claims (4)
1. one kind switch remote signalling transmitter, it is characterised in that：The N being connected including microcontroller circuit and with the microcontroller circuit
Individual switch quantity acquisition circuit, one are used for the telecommunication circuit to be communicated with host computer, in addition to one is used for for the power supply of whole transmitter
Power circuit；The switch quantity acquisition circuit includes being used for the capacity voltage dropping circuit, dry for detecting for detecting civil power on off operating mode
The direct current DC/DC circuits of contact switch and the photoelectrical coupler being connected with the capacity voltage dropping circuit, direct current DC/DC circuits, institute
State photoelectrical coupler and be additionally coupled to the microcontroller circuit；Wherein, N is the integer more than or equal to 1.
2. switch remote signalling transmitter according to claim 1, it is characterised in that：The microcontroller circuit uses
C8051F340 chips.
3. switch remote signalling transmitter according to claim 1, it is characterised in that：The telecommunication circuit is RS485 communication electricity
Road, the RS485 telecommunication circuits use MAX13485 chips.
4. switch remote signalling transmitter according to claim 1, it is characterised in that：The photoelectrical coupler uses TLP781.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720902378.XU CN207114718U (en) | 2017-07-25 | 2017-07-25 | Switch remote signalling transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720902378.XU CN207114718U (en) | 2017-07-25 | 2017-07-25 | Switch remote signalling transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207114718U true CN207114718U (en) | 2018-03-16 |
Family
ID=61585936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720902378.XU Active CN207114718U (en) | 2017-07-25 | 2017-07-25 | Switch remote signalling transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207114718U (en) |
-
2017
- 2017-07-25 CN CN201720902378.XU patent/CN207114718U/en active Active
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