CN205539380U - Fault electric arc automatic alarm circuit of block terminal - Google Patents
Fault electric arc automatic alarm circuit of block terminal Download PDFInfo
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- CN205539380U CN205539380U CN201620258451.XU CN201620258451U CN205539380U CN 205539380 U CN205539380 U CN 205539380U CN 201620258451 U CN201620258451 U CN 201620258451U CN 205539380 U CN205539380 U CN 205539380U
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Abstract
The utility model discloses a fault electric arc automatic alarm circuit of block terminal, including digital analog conversion singlechip U1, warning NULL U2, resistance R5, resistance R6, emitting diode D and loudspeaker B, digital analog conversion singlechip U1's pin RB6 connects the frequency signal output f1 of block terminal inlet wire end, digital analog conversion singlechip U1's pin RB7 connects the frequency signal output f2 of block terminal leading -out terminal, digital analog conversion singlechip U1's pin RC7 connects arc optical signal output end u, digital analog conversion singlechip U1's pin RB4 passes through resistance R5 and connects warning NULL U2, warning NULL U2's messenger can hold connected loudspeaker B, digital analog conversion singlechip U1's pin RB5 passes through resistance R6 and connects emitting diode D, have can with the fault electric arc signal conversion that detects with handle the back and carry out the characteristics of reporting to the police with sound and luminous form to the fault electric arc.
Description
Technical field
This utility model relates to distribution box technical field, is specifically related to the fault electric arc automatic alarm circuit of a kind of distribution box.
Background technology
Distribution box is low-voltage power supply, essential electrical devices in distribution line, safety to power supply, reliably play an important role, general by chopper, fuse and binding post composition, increase along with daily electricity, the break down accident of electric arc of the contact of chopper often has generation, this not only makes the wiring circuit contact of distribution box bad, causing can not normal power supply, affect people live normally and produce, and it is easily caused the security incidents such as fire, and need to carry out the signal of detection changing and processing and with sound and luminous form, fault electric arc is reported to the police during the detection of fault electric arc, it is therefore desirable to a kind of fault electric arc warning circuit of design.
Summary of the invention
For the deficiencies in the prior art, this utility model aims to provide the fault electric arc automatic alarm circuit of a kind of distribution box can reported to the police fault electric arc with sound and luminous form after the fault electric arc signal detected is changed and processed.
For achieving the above object, this utility model adopts the following technical scheme that
nullA kind of fault electric arc automatic alarm circuit of distribution box，Including digital-to-analogue conversion single-chip microcomputer U1、Report to the police integrated chip U2、Resistance R5、Resistance R6、Light emitting diode D and loudspeaker B，The pin RB6 of described digital-to-analogue conversion single-chip microcomputer U1 connects the frequency signal Ausgang 1 of distribution box end of incoming cables，The pin RB7 of digital-to-analogue conversion single-chip microcomputer U1 connects the frequency signal Ausgang 2 of distribution box leading-out terminal，The pin RC7 of digital-to-analogue conversion single-chip microcomputer U1 connects arc optical signal outfan u，The pin RB4 of digital-to-analogue conversion single-chip microcomputer U1 connects, by resistance R5, the integrated chip U2 that reports to the police，Report to the police integrated chip U2 Enable Pin connect loudspeaker B，Report to the police integrated chip U2 ground connection and its outer meeting resistance end connects and has adjustable resistance RP，The pin RB5 of the digital-to-analogue conversion single-chip microcomputer U1 positive pole by resistance R6 connecting luminous diode D，The minus earth of light emitting diode D.
Further, pin RC0, the pin RC6 of described digital-to-analogue conversion single-chip microcomputer U1 connect voltage display, the pin RB0 of the digital-to-analogue conversion single-chip microcomputer U1 base stage by resistance R1 connecting triode T1, the colelctor electrode of audion T1 connects voltage display, the grounded emitter of audion T1；The pin RB1 of the digital-to-analogue conversion single-chip microcomputer U1 base stage by resistance R2 connecting triode T2, the colelctor electrode of audion T2 connects voltage display, the grounded emitter of audion T2；The pin RB2 of the digital-to-analogue conversion single-chip microcomputer U1 base stage by resistance R3 connecting triode T3, the colelctor electrode of audion T3 connects voltage display, the grounded emitter of audion T3；The pin RB3 of the digital-to-analogue conversion single-chip microcomputer U1 base stage by resistance R4 connecting triode T4, the colelctor electrode of audion T4 connects voltage display, the grounded emitter of audion T4.
Further, described adjustable resistance RP Standard resistance range is 47-300k Ω.
This utility model has the advantages that
The fault electric arc automatic alarm circuit of a kind of distribution box of this utility model, the pin RB6 of its digital-to-analogue conversion single-chip microcomputer U1 connects the frequency signal Ausgang 1 of distribution box end of incoming cables, the pin RB7 of digital-to-analogue conversion single-chip microcomputer U1 connects the frequency signal Ausgang 2 of distribution box leading-out terminal, the pin RC7 of digital-to-analogue conversion single-chip microcomputer U1 connects arc optical signal outfan u, the pin RB4 of digital-to-analogue conversion single-chip microcomputer U1 connects, by resistance R5, the integrated chip U2 that reports to the police, report to the police integrated chip U2 Enable Pin connect loudspeaker B, the pin RB5 of digital-to-analogue conversion single-chip microcomputer U1 passes through resistance R6 connecting luminous diode D, have the advantages that with sound and luminous form, fault electric arc will be reported to the police after the fault electric arc signal detected conversion and process.
Accompanying drawing explanation
Fig. 1 is the rough schematic of the fault electric arc automatic alarm circuit of a kind of distribution box 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.
nullThe fault electric arc automatic alarm circuit of a kind of distribution box of this utility model as shown in Figure 1，Including digital-to-analogue conversion single-chip microcomputer U1、Report to the police integrated chip U2、Resistance R5、Resistance R6、Light emitting diode D and loudspeaker B，The pin RB6 of described digital-to-analogue conversion single-chip microcomputer U1 connects the frequency signal Ausgang 1 of distribution box end of incoming cables，The pin RB7 of digital-to-analogue conversion single-chip microcomputer U1 connects the frequency signal Ausgang 2 of distribution box leading-out terminal，The pin RC7 of digital-to-analogue conversion single-chip microcomputer U1 connects arc optical signal outfan u，The pin RB4 of digital-to-analogue conversion single-chip microcomputer U1 connects, by resistance R5, the integrated chip U2 that reports to the police，Report to the police integrated chip U2 Enable Pin connect loudspeaker B，Report to the police integrated chip U2 ground connection and its outer meeting resistance end connects and has adjustable resistance RP，Adjustable resistance RP Standard resistance range is 47-300k Ω，The pin RB5 of the digital-to-analogue conversion single-chip microcomputer U1 positive pole by resistance R6 connecting luminous diode D，The minus earth of light emitting diode D.
For convenience of voltage output display, pin RC0, the pin RC6 of described digital-to-analogue conversion single-chip microcomputer U1 connect voltage display, the pin RB0 of the digital-to-analogue conversion single-chip microcomputer U1 base stage by resistance R1 connecting triode T1, the colelctor electrode of audion T1 connects voltage display, the grounded emitter of audion T1；The pin RB1 of the digital-to-analogue conversion single-chip microcomputer U1 base stage by resistance R2 connecting triode T2, the colelctor electrode of audion T2 connects voltage display, the grounded emitter of audion T2；The pin RB2 of the digital-to-analogue conversion single-chip microcomputer U1 base stage by resistance R3 connecting triode T3, the colelctor electrode of audion T3 connects voltage display, the grounded emitter of audion T3；The pin RB3 of the digital-to-analogue conversion single-chip microcomputer U1 base stage by resistance R4 connecting triode T4, the colelctor electrode of audion T4 connects voltage display, the grounded emitter of audion T4.
Operation principle of the present utility model is: the pin RB6 of its digital-to-analogue conversion single-chip microcomputer U1 connects the frequency signal Ausgang 1 of distribution box end of incoming cables, the pin RB7 of digital-to-analogue conversion single-chip microcomputer U1 connects the frequency signal Ausgang 2 of distribution box leading-out terminal, the pin RC7 of digital-to-analogue conversion single-chip microcomputer U1 connects arc optical signal outfan u, the pin RB4 of digital-to-analogue conversion single-chip microcomputer U1 connects, by resistance R5, the integrated chip U2 that reports to the police, report to the police integrated chip U2 Enable Pin connect loudspeaker B, the pin RB5 of digital-to-analogue conversion single-chip microcomputer U1 passes through resistance R6 connecting luminous diode D, fault electric arc can be reported to the police after the fault electric arc signal detected conversion and process with sound and luminous form.
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 (3)
- null1. the fault electric arc automatic alarm circuit of a distribution box，It is characterized in that: include digital-to-analogue conversion single-chip microcomputer U1、Report to the police integrated chip U2、Resistance R5、Resistance R6、Light emitting diode D and loudspeaker B，The pin RB6 of described digital-to-analogue conversion single-chip microcomputer U1 connects the frequency signal Ausgang 1 of distribution box end of incoming cables，The pin RB7 of digital-to-analogue conversion single-chip microcomputer U1 connects the frequency signal Ausgang 2 of distribution box leading-out terminal，The pin RC7 of digital-to-analogue conversion single-chip microcomputer U1 connects arc optical signal outfan u，The pin RB4 of digital-to-analogue conversion single-chip microcomputer U1 connects, by resistance R5, the integrated chip U2 that reports to the police，Report to the police integrated chip U2 Enable Pin connect loudspeaker B，Report to the police integrated chip U2 ground connection and its outer meeting resistance end connects and has adjustable resistance RP，The pin RB5 of the digital-to-analogue conversion single-chip microcomputer U1 positive pole by resistance R6 connecting luminous diode D，The minus earth of light emitting diode D.
- The fault electric arc automatic alarm circuit of a kind of distribution box the most as claimed in claim 1, it is characterized in that: pin RC0, the pin RC6 of described digital-to-analogue conversion single-chip microcomputer U1 connect voltage display, the pin RB0 of the digital-to-analogue conversion single-chip microcomputer U1 base stage by resistance R1 connecting triode T1, the colelctor electrode of audion T1 connects voltage display, the grounded emitter of audion T1；The pin RB1 of the digital-to-analogue conversion single-chip microcomputer U1 base stage by resistance R2 connecting triode T2, the colelctor electrode of audion T2 connects voltage display, the grounded emitter of audion T2；The pin RB2 of the digital-to-analogue conversion single-chip microcomputer U1 base stage by resistance R3 connecting triode T3, the colelctor electrode of audion T3 connects voltage display, the grounded emitter of audion T3；The pin RB3 of the digital-to-analogue conversion single-chip microcomputer U1 base stage by resistance R4 connecting triode T4, the colelctor electrode of audion T4 connects voltage display, the grounded emitter of audion T4.
- The fault electric arc automatic alarm circuit of a kind of distribution box the most as claimed in claim 1, it is characterised in that: described adjustable resistance RP Standard resistance range is 47-300k Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620258451.XU CN205539380U (en) | 2016-03-31 | 2016-03-31 | Fault electric arc automatic alarm circuit of block terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620258451.XU CN205539380U (en) | 2016-03-31 | 2016-03-31 | Fault electric arc automatic alarm circuit of block terminal |
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| Publication Number | Publication Date |
|---|---|
| CN205539380U true CN205539380U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620258451.XU Expired - Fee Related CN205539380U (en) | 2016-03-31 | 2016-03-31 | Fault electric arc automatic alarm circuit of block terminal |
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| CN (1) | CN205539380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114285735A (en) * | 2021-12-30 | 2022-04-05 | 贵州盘江精煤股份有限公司 | 485 communication line fault detection method |
-
2016
- 2016-03-31 CN CN201620258451.XU patent/CN205539380U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114285735A (en) * | 2021-12-30 | 2022-04-05 | 贵州盘江精煤股份有限公司 | 485 communication line fault detection method |
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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. |
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| 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: 20160831 Termination date: 20200331 |