CN206340160U - A kind of state-signal collection loop of tape light - Google Patents
A kind of state-signal collection loop of tape light Download PDFInfo
- Publication number
- CN206340160U CN206340160U CN201621465960.6U CN201621465960U CN206340160U CN 206340160 U CN206340160 U CN 206340160U CN 201621465960 U CN201621465960 U CN 201621465960U CN 206340160 U CN206340160 U CN 206340160U
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- remote signalling
- loop
- photoelectrical coupler
- state
- signal collection
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Abstract
The utility model discloses a kind of state-signal collection loop of tape light, including photoelectrical coupler, light emitting diode, signal processing circuit and power supply, the remote signalling input connects the prime of photoelectrical coupler by signal processing circuit, the rear class of the photoelectrical coupler is by exporting the remote signals of input after filter capacitor, the light emitting diode connects the rear class of photoelectrical coupler by pull-up circuit, when there is remote signalling input, photoelectrical coupler rear class is turned on, light emitting diode is lighted, the power supply is powered for acquisition circuit.The resettable fuse of remote signalling entrance can when loop is abnormal cut-off loop, prevent remote signalling power supply short circuit.Piezo-resistance can be released the surge interference of remote signalling introducing, and protection remote signalling loop is not damaged by.Diode being capable of the reverse input voltage of clamper, protection optocoupler.Divider resistance R2 can provide remote signalling control source threshold, prevent that small voltage disturbance from causing remote signalling malfunction.
Description
Technical field
The utility model is related to a kind of state-signal collection loop of tape light.
Background technology
There is the effect for indicating, showing in remote signalling circuit, the remote signalling circuit of current power system mainly has in power system
Several defects below：
(1) without indicator lamp, it is impossible to intuitively show remote signalling loop state；
(2) using the terminal of integrated indicator lamp, this scheme cost is higher, veneer remote signalling limited amount；
(3) single remote signalling lamp plate is used, can be used when chassis space surplus is larger, it is necessary to individually programming, complexity
It is higher, it can not be used when casing structure is compact.
Utility model content
The utility model is in order to solve the above problems, it is proposed that a kind of state-signal collection loop of tape light, and this practicality is new
Type seals in luminous tube the pull-up circuit of optocoupler rear class, and when there is remote signalling input, optocoupler rear class is turned on, so as to light light-emitting diodes
Pipe, can intuitively show the state in remote signalling loop.Remote signalling indicator lamp is integrated on remote signalling plate, centralized arrangement, remote signalling indicator lamp
Separately it is laid out with remote signalling input port, and by actual measurement checking, design is simpler, runs more reliable.
To achieve these goals, the utility model is adopted the following technical scheme that：
A kind of state-signal collection loop of tape light, including photoelectrical coupler, light emitting diode, signal processing circuit and electricity
Source, the remote signalling input connects the prime of photoelectrical coupler by signal processing circuit, and the rear class of the photoelectrical coupler is led to
Cross after filter capacitor and export the remote signals of input, the light emitting diode is connected after photoelectrical coupler by pull-up circuit
Level, when there is remote signalling input, photoelectrical coupler rear class is turned on, and lights light emitting diode, the power supply is powered for acquisition circuit.
The remote signalling input is connected in series resettable fuse, the cut-off loop when loop is abnormal, prevents remote signalling power supply
Short circuit.
The signal processing circuit includes being arranged on piezo-resistance in parallel between remote signalling input both positive and negative polarity, reverse two
Pole pipe, divider resistance and filter capacitor.
The remote signalling input cathode passes through safety capacity earth.
The pull-up circuit includes pull-up resistor.
The current-limiting resistance of restricted remote signalling input electric current is set between the piezo-resistance, backward dioded.
The current-limiting resistance and divider resistance are engaged with the value of pull-up resistor.
The beneficial effects of the utility model are：
(1) resettable fuse of remote signalling entrance can when loop is abnormal cut-off loop, prevent remote signalling power supply short circuit.Pressure
Quick resistance can be released the surge interference of remote signalling introducing, and protection remote signalling loop is not damaged by.Diode can clamper reversely input
Voltage, protects optocoupler.Divider resistance R2 can provide remote signalling control source threshold, prevent that small voltage disturbance from causing remote signalling to miss
It is dynamic.
(2) luminous tube can typically be embedded in casing or shell of disembarking is nearer, easily be led when playing surge interference from outside remote signalling terminal
Cause punctures, and seals in optocoupler rear class loop, can be by luminous tube from electrically completely isolated with outside easily disturbed circuit.
(3) wiring in remote signalling loop can be simplified by luminous tube being sealed in into optocoupler rear class.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the present utility model；
Fig. 2 is STM32F103 databooks schematic diagram of the present utility model；
Fig. 3 is TLP185 current transfer ratios curve map of the present utility model.
Embodiment：
The utility model is described in further detail with embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of remote signalling loop of tape light, the outstanding feature in the remote signalling loop is to seal in luminous tube
The pull-up circuit of optocoupler rear class, when there is remote signalling input, optocoupler rear class is turned on, so as to light light emitting diode.Light emitting diode
The state in remote signalling loop can intuitively be shown by lighting.
The resettable fuse of remote signalling entrance can when loop is abnormal cut-off loop, prevent remote signalling power supply short circuit.It is pressure-sensitive
Resistance can be released the surge interference of remote signalling introducing, and protection remote signalling loop is not damaged by.Diode can clamper reversely input electricity
Pressure, protects optocoupler.Divider resistance R2 can provide remote signalling control source threshold, prevent that small voltage disturbance from causing remote signalling malfunction.
Luminous tube can typically be embedded in casing or shell of disembarking is nearer, be easily caused and hit when playing surge interference from outside remote signalling terminal
Wear, seal in optocoupler rear class loop, can be by luminous tube from electrically completely isolated with outside easily disturbed circuit.
Luminous tube is sealed in into optocoupler rear class can simplify the wiring in remote signalling loop.
State-signal collection I/O port is by taking STM32F103 as an example, and I/O port need to select 5V compatible ports.According to STM32F103 numbers
According to the formula in handbook, as shown in Fig. 2 the upper voltage limit of logic low can be calculated：
MAX_LOW_INPUT_VOL=0.32* (3.3-2)+0.75=1.166V
When optocoupler rear class voltage drops to below 1.166V, processor is able to detect that logic low.
The general rated voltage triggering of remote signalling circuit requirements 75%, by taking 24V rated voltages as an example：
To ensure LED luminance, the electric current after the conducting of optocoupler rear class should be in more than 2mA, and it is 1K to take pull-up resistor R3, and LED is led
Logical pressure drop is 1.8V or so, then conducting electric current If=(5-1.8-MAX_LOW_INPUT_VOL)/R3=of optocoupler rear class
2.034mA。
Optocoupler type selecting is by taking TLP185GB as an example, the current transfer ratio curve map of the TLP185 shown in reference picture 3, it is contemplated that light
Coupling error, is calculated using current transfer ratio as 100%, then prime electric current is also If, optocoupler prime conducting voltage 1.1V or so, then has
Equation：
24*0.75=1.1+ (If+ (1.1/R2)) * R1
As long as determining R1 value with regard to R2 value can be tried to achieve.
When R2 is infinity, the value that can try to achieve R1 is 8.3K, and R1 value can not be more than 8.3K
It is common resistance 6.2K to take R1, and the value that can try to achieve R2 is 1.6K.
It is not new to this practicality although above-mentioned embodiment of the present utility model is described with reference to accompanying drawing
The limitation of type protection domain, one of ordinary skill in the art should be understood that on the basis of the technical solution of the utility model, ability
Field technique personnel need not pay the various modifications that creative work can make or deform still in protection model of the present utility model
Within enclosing.
Claims (7)
1. a kind of state-signal collection loop of tape light, it is characterized in that：Including photoelectrical coupler, light emitting diode, signal transacting
Circuit and power supply, the remote signalling input connect the prime of photoelectrical coupler, the photoelectrical coupler by signal processing circuit
Rear class by the way that the remote signals of input are exported after filter capacitor, the light emitting diode passes through pull-up circuit and connects photoelectricity coupling
The rear class of clutch, when there is remote signalling input, photoelectrical coupler rear class is turned on, and lights light emitting diode, and the power supply is acquisition circuit
Power supply.
2. a kind of state-signal collection loop of tape light as claimed in claim 1, it is characterized in that：The remote signalling input series connection
Resettable fuse is connected, the cut-off loop when loop is abnormal.
3. a kind of state-signal collection loop of tape light as claimed in claim 1, it is characterized in that：The signal processing circuit bag
Include piezo-resistance in parallel, backward dioded, divider resistance and the filter capacitor being arranged between remote signalling input both positive and negative polarity.
4. a kind of state-signal collection loop of tape light as claimed in claim 1, it is characterized in that：The remote signalling input cathode
Pass through capacity earth.
5. a kind of state-signal collection loop of tape light as claimed in claim 1, it is characterized in that：The pull-up circuit includes upper
Pull-up resistor.
6. a kind of state-signal collection loop of tape light as claimed in claim 3, it is characterized in that：The piezo-resistance, reversely
The current-limiting resistance of restricted remote signalling input electric current is set between diode.
7. a kind of state-signal collection loop of tape light as claimed in claim 6, it is characterized in that：The current-limiting resistance and partial pressure
Resistance is engaged with the value of pull-up resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465960.6U CN206340160U (en) | 2016-12-29 | 2016-12-29 | A kind of state-signal collection loop of tape light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621465960.6U CN206340160U (en) | 2016-12-29 | 2016-12-29 | A kind of state-signal collection loop of tape light |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206340160U true CN206340160U (en) | 2017-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621465960.6U Active CN206340160U (en) | 2016-12-29 | 2016-12-29 | A kind of state-signal collection loop of tape light |
Country Status (1)
| Country | Link |
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| CN (1) | CN206340160U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888182A (en) * | 2017-11-13 | 2018-04-06 | 广东温氏食品集团股份有限公司 | Domestic animal feeding detection circuit, detection method and detecting system |
| CN109406864A (en) * | 2018-11-12 | 2019-03-01 | 山东鲁能智能技术有限公司 | Distribution network terminal board remote signalling voltage automatic identification circuit and method |
| CN110750127A (en) * | 2019-11-15 | 2020-02-04 | 积成电子股份有限公司 | Alternating current-direct current input voltage self-adaptation remote signaling circuit for power distribution device |
| CN110797982A (en) * | 2019-11-13 | 2020-02-14 | 珠海菲森电力科技有限公司 | Remote signaling acquisition method for distribution automation terminal |
| CN115954850A (en) * | 2023-03-14 | 2023-04-11 | 石家庄科林电气股份有限公司 | Miniaturized state quantity input circuit and surge impact protection circuit thereof |
-
2016
- 2016-12-29 CN CN201621465960.6U patent/CN206340160U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107888182A (en) * | 2017-11-13 | 2018-04-06 | 广东温氏食品集团股份有限公司 | Domestic animal feeding detection circuit, detection method and detecting system |
| CN109406864A (en) * | 2018-11-12 | 2019-03-01 | 山东鲁能智能技术有限公司 | Distribution network terminal board remote signalling voltage automatic identification circuit and method |
| CN110797982A (en) * | 2019-11-13 | 2020-02-14 | 珠海菲森电力科技有限公司 | Remote signaling acquisition method for distribution automation terminal |
| CN110750127A (en) * | 2019-11-15 | 2020-02-04 | 积成电子股份有限公司 | Alternating current-direct current input voltage self-adaptation remote signaling circuit for power distribution device |
| CN115954850A (en) * | 2023-03-14 | 2023-04-11 | 石家庄科林电气股份有限公司 | Miniaturized state quantity input circuit and surge impact protection circuit thereof |
| CN115954850B (en) * | 2023-03-14 | 2023-05-09 | 石家庄科林电气股份有限公司 | Miniaturized state quantity input circuit and surge impact protection circuit thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 250101 Electric Power Intelligent Robot Production Project 101 in Jinan City, Shandong Province, South of Feiyue Avenue and East of No. 26 Road (ICT Industrial Park) Patentee after: National Network Intelligent Technology Co., Ltd. Address before: 250101 Shandong city of Ji'nan province high tech Zone (Lixia District) Xinluo Avenue No. 2008 silver bearing building B block 626 Patentee before: Shandong Luneng Intelligent Technology Co., Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201214 Address after: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee after: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch Address before: 250101 power intelligent robot production project 101 south of Feiyue Avenue and east of No.26 Road (in ICT Industrial Park) in Suncun District of Gaoxin, Jinan City, Shandong Province Patentee before: National Network Intelligent Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee after: Shandong luruan Digital Technology Co.,Ltd. smart energy branch Address before: Room 902, 9 / F, block B, Yinhe building, 2008 Xinluo street, hi tech Zone, Jinan City, Shandong Province Patentee before: Shandong Luneng Software Technology Co.,Ltd. intelligent electrical branch |
|
| CP01 | Change in the name or title of a patent holder |