CN205484163U - Smoke signal measuring circuit of prepackage type transformer substation - Google Patents
Smoke signal measuring circuit of prepackage type transformer substation Download PDFInfo
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- CN205484163U CN205484163U CN201620258445.4U CN201620258445U CN205484163U CN 205484163 U CN205484163 U CN 205484163U CN 201620258445 U CN201620258445 U CN 201620258445U CN 205484163 U CN205484163 U CN 205484163U
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Abstract
The utility model discloses a smoke signal measuring circuit of prepackage type transformer substation, detect chip U1 including smog, signal monitoring chip U2, first wire jumper plug -in components JP1, second wire jumper plug -in components JP2 and third wire jumper plug -in components JP3, the signal input pin DETIN that smog detected chip U1 is connected to first wire jumper plug -in components JP1's pin 2, second wire jumper plug -in components JP2's pin 2 is connected signal monitoring chip U2's data pin DQ and is passed through electric capacity C1 ground connection, signal monitoring chip U2's extreme point measuring pin VAD is connected to third wire jumper plug -in components JP3's pin 2, signal monitoring chip U2's forward voltage detects pin VSEN+ and connects the input/output end pin IO that smog detected chip U1, does signal monitoring chip U2's reverse voltage detect pin VSEN through resistance R2, resistance R3 connects the input/output end pin IO that smog detected chip U1, can use and be used for smog to detect in the prepackage type smog wireless sensor network on -line monitoring system of transformer substation, it can in succession real -time on -line monitoring to have, and the performance is stable, low energy consumption.
Description
Technical field
This utility model relates to preassembled transformer station technical field, is specifically related to a kind of smoke signal measuring circuit being arranged in the altitude chamber of preassembled transformer station, transformation room and low-pressure chamber.
Background technology
Preassembled transformer station typically operates in open air, and the electric equipment within transformer station is easily subject to the impact of external environment, and it exists some problems in terms of security reliability；For the smog in on-line monitoring preassembled transformer station in time and humiture information, current existing preassembled transformer station generally uses wired monitoring mode to connect up, there is monitoring point dispersion, difficult wiring and the problem of poor real, therefore radio sensor network monitoring becomes the developing direction of preassembled transformer station smog and temperature-humidity monitoring.
Summary of the invention
For the deficiencies in the prior art, this utility model aims to provide a kind of smoke signal measuring circuit that can be applicable to preassembled transformer station smog wireless sensor network on-line monitoring system.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of smoke signal measuring circuit of preassembled transformer station, including Smoke Detection chip U1, signal monitoring chip U2, the first wire jumper plug-in unit JP1, the second wire jumper plug-in unit JP2 and the 3rd wire jumper plug-in unit JP3, described first its pin 1 of wire jumper plug-in unit JP1 connects 10V power supply, pin 2 connects the signal input pin DETIN of Smoke Detection chip U1, pin 3 ground connection；The pin 1 of the second wire jumper plug-in unit JP2 connects 10V power supply, and pin 2 connects data pin DQ of signal monitoring chip U2, and by electric capacity C1 ground connection, pin 3 ground connection；Its pin 1 of 3rd wire jumper plug-in unit JP3 connects 10V power supply by resistance R1, and by diode D1 ground connection, the negative pole of diode D1 connects the pin 1 of the 3rd wire jumper plug-in unit JP3, the plus earth of diode D1, the pin 2 of the 3rd wire jumper plug-in unit JP3 connects the end-point detection pin VAD of signal monitoring chip U2, pin 3 ground connection of the 3rd wire jumper plug-in unit JP3；
The voltage input end VDD of signal monitoring chip U2 connects 10V power supply, the public terminal GND ground connection of signal monitoring chip U2, the forward voltage detection pin VSEN+ of signal monitoring chip U2 connects the input/output terminal pin I/O of Smoke Detection chip U1, the backward voltage detection pin VSEN-of signal monitoring chip U2 is by resistance R2, resistance R3 connects the input/output terminal pin I/O of Smoke Detection chip U1, resistance R2 and resistance R3 is connected in series, it is connected in parallel electric capacity C2 between the forward voltage detection pin VSEN+ and backward voltage detection pin VSEN-of signal monitoring chip U2, the crystal oscillator capacitor pin OSCCA of Smoke Detection chip U1 passes through electric capacity C3 ground connection, the power cathode pin VSS ground connection of Smoke Detection chip U1.
Further, the sensitivity of described Smoke Detection chip U1 arranges pin SESET connection adjustable resistance R4, adjustable resistance R4 connection 10V power supply.
Further, the detection output pin STROT of described Smoke Detection chip U1 connects Light-Emitting Diode D2 negative pole, and the positive pole of Light-Emitting Diode D2 connects 10V power supply by resistance R5.
Further, the LED of described Smoke Detection chip U1 drives pin to connect 10V power supply, and by electric capacity C4 ground connection；The timing resistor pin TIRES of Smoke Detection chip U1 is connected and ground connection by resistance R6 and electric capacity C4.
This utility model has the advantages that
The smoke signal measuring circuit of a kind of preassembled transformer station of this utility model, can be applicable in preassembled transformer station smog wireless sensor network on-line monitoring system for Smoke Detection, the smoke signal gathered completes by signal monitoring chip, signal export calculating control again after preliminary signals processes through Smoke Detection chip, and having can continuous real time on-line monitoring, stable performance, advantage that energy consumption is low.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the smoke signal measuring circuit of a kind of preassembled transformer station of this utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment, the utility model will be further described, in order to the clearer technological thought understanding that this utility model is claimed.
The smoke signal measuring circuit of a kind of preassembled transformer station of this utility model as shown in Figure 1, including Smoke Detection chip U1, signal monitoring chip U2, the first wire jumper plug-in unit JP1, the second wire jumper plug-in unit JP2 and the 3rd wire jumper plug-in unit JP3, described first its pin 1 of wire jumper plug-in unit JP1 connects 10V power supply, pin 2 connects the signal input pin DETIN of Smoke Detection chip U1, pin 3 ground connection；The pin 1 of the second wire jumper plug-in unit JP2 connects 10V power supply, and pin 2 connects data pin DQ of signal monitoring chip U2, and by electric capacity C1 ground connection, pin 3 ground connection；Its pin 1 of 3rd wire jumper plug-in unit JP3 connects 10V power supply by resistance R1, and by diode D1 ground connection, the negative pole of diode D1 connects the pin 1 of the 3rd wire jumper plug-in unit JP3, the plus earth of diode D1, the pin 2 of the 3rd wire jumper plug-in unit JP3 connects the end-point detection pin VAD of signal monitoring chip U2, pin 3 ground connection of the 3rd wire jumper plug-in unit JP3；
The voltage input end VDD of signal monitoring chip U2 connects 10V power supply, the public terminal GND ground connection of signal monitoring chip U2, the forward voltage detection pin VSEN+ of signal monitoring chip U2 connects the input/output terminal pin I/O of Smoke Detection chip U1, the backward voltage detection pin VSEN-of signal monitoring chip U2 is by resistance R2, resistance R3 connects the input/output terminal pin I/O of Smoke Detection chip U1, resistance R2 and resistance R3 is connected in series, it is connected in parallel electric capacity C2 between the forward voltage detection pin VSEN+ and backward voltage detection pin VSEN-of signal monitoring chip U2, the crystal oscillator capacitor pin OSCCA of Smoke Detection chip U1 passes through electric capacity C3 ground connection, the power cathode pin VSS ground connection of Smoke Detection chip U1.The sensitivity of Smoke Detection chip U1 arranges pin SESET and connects adjustable resistance R4, adjustable resistance R4 connects 10V power supply, the detection output pin STROT of Smoke Detection chip U1 connects Light-Emitting Diode D2 negative pole, the positive pole of Light-Emitting Diode D2 connects 10V power supply by resistance R5, the LED of Smoke Detection chip U1 drives pin to connect 10V power supply, and by electric capacity C4 ground connection；The timing resistor pin TIRES of Smoke Detection chip U1 is connected and ground connection by resistance R6 and electric capacity C4.
For a person skilled in the art, can technical scheme as described above and design, make other various corresponding changes and deformation, and within all these changes and deformation all should belong to this utility model scope of the claims.
Claims (4)
1. the smoke signal measuring circuit of a preassembled transformer station, it is characterized in that: include Smoke Detection chip U1, signal monitoring chip U2, the first wire jumper plug-in unit JP1, the second wire jumper plug-in unit JP2 and the 3rd wire jumper plug-in unit JP3, described first its pin 1 of wire jumper plug-in unit JP1 connects 10V power supply, pin 2 connects the signal input pin DETIN of Smoke Detection chip U1, pin 3 ground connection；The pin 1 of the second wire jumper plug-in unit JP2 connects 10V power supply, and pin 2 connects data pin DQ of signal monitoring chip U2, and by electric capacity C1 ground connection, pin 3 ground connection；Its pin 1 of 3rd wire jumper plug-in unit JP3 connects 10V power supply by resistance R1, and by diode D1 ground connection, the negative pole of diode D1 connects the pin 1 of the 3rd wire jumper plug-in unit JP3, the plus earth of diode D1, the pin 2 of the 3rd wire jumper plug-in unit JP3 connects the end-point detection pin VAD of signal monitoring chip U2, pin 3 ground connection of the 3rd wire jumper plug-in unit JP3；
The voltage input end VDD of signal monitoring chip U2 connects 10V power supply, the public terminal GND ground connection of signal monitoring chip U2, the forward voltage detection pin VSEN+ of signal monitoring chip U2 connects the input/output terminal pin I/O of Smoke Detection chip U1, the backward voltage detection pin VSEN-of signal monitoring chip U2 is by resistance R2, resistance R3 connects the input/output terminal pin I/O of Smoke Detection chip U1, resistance R2 and resistance R3 is connected in series, it is connected in parallel electric capacity C2 between the forward voltage detection pin VSEN+ and backward voltage detection pin VSEN-of signal monitoring chip U2, the crystal oscillator capacitor pin OSCCA of Smoke Detection chip U1 passes through electric capacity C3 ground connection, the power cathode pin VSS ground connection of Smoke Detection chip U1.
The smoke signal measuring circuit of a kind of preassembled transformer station the most as claimed in claim 1, it is characterised in that: the sensitivity of described Smoke Detection chip U1 arranges pin SESET and connects adjustable resistance R4, adjustable resistance R4 connection 10V power supply.
The smoke signal measuring circuit of a kind of preassembled transformer station the most as claimed in claim 1, it is characterized in that: the detection output pin STROT of described Smoke Detection chip U1 connects Light-Emitting Diode D2 negative pole, the positive pole of Light-Emitting Diode D2 connects 10V power supply by resistance R5.
The smoke signal measuring circuit of a kind of preassembled transformer station the most as claimed in claim 1, it is characterised in that: the LED of described Smoke Detection chip U1 drives pin to connect 10V power supply, and by electric capacity C4 ground connection；The timing resistor pin TIRES of Smoke Detection chip U1 is connected and ground connection by resistance R6 and electric capacity C4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620258445.4U CN205484163U (en) | 2016-03-31 | 2016-03-31 | Smoke signal measuring circuit of prepackage type transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620258445.4U CN205484163U (en) | 2016-03-31 | 2016-03-31 | Smoke signal measuring circuit of prepackage type transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205484163U true CN205484163U (en) | 2016-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620258445.4U Expired - Fee Related CN205484163U (en) | 2016-03-31 | 2016-03-31 | Smoke signal measuring circuit of prepackage type transformer substation |
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| CN (1) | CN205484163U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267442A (en) * | 2021-05-08 | 2021-08-17 | 山东英信计算机技术有限公司 | System and method for enhancing safety of burn-proof board test |
-
2016
- 2016-03-31 CN CN201620258445.4U patent/CN205484163U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267442A (en) * | 2021-05-08 | 2021-08-17 | 山东英信计算机技术有限公司 | System and method for enhancing safety of burn-proof board test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 362200 science and Technology Park, Wan An Development Zone, Luojiang District, Quanzhou, Fujian Patentee after: Fujian Hongli Electric Co., Ltd. Address before: 362200 science and Technology Park, Wan An Development Zone, Luojiang District, Quanzhou, Fujian Patentee before: Quanzhou Hongli Electric Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20200331 |