CN202110627U - Full-monitoring residual current type electric fire monitoring detector - Google Patents
Full-monitoring residual current type electric fire monitoring detector Download PDFInfo
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- CN202110627U CN202110627U CN201120239030XU CN201120239030U CN202110627U CN 202110627 U CN202110627 U CN 202110627U CN 201120239030X U CN201120239030X U CN 201120239030XU CN 201120239030 U CN201120239030 U CN 201120239030U CN 202110627 U CN202110627 U CN 202110627U
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- mutual inductor
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Abstract
The utility model relates to a full-monitoring residual current type electric fire monitoring detector, which comprises a split-phase residual current acquisition circuit (1), a filter shaping conditioning circuit (2), an amplitude and phase computing circuit (3), a master control CPU (central processing unit) circuit (4), a key display circuit (5), a communication circuit (6) and an audible and visual alarm circuit (7). The split-phase residual current acquisition circuit (1) is connected with the filter shaping conditioning circuit (2), the filter shaping conditioning circuit (2) is connected with the amplitude and phase computing circuit (3), the amplitude and phase computing circuit (3) is mutually connected with the master control CPU circuit (4), and the master control CPU circuit (4) is mutually connected with the key display circuit (5), the communication circuit (6) and the audible and visual alarm circuit (7) respectively. The full-monitoring residual current type electric fire monitoring detector has the remarkable advantages of comprehensive monitoring, zero omission and high precision.
Description
Technical field
The present invention relates to full monitor-type residual-current electrical fire monitoring detector, residual-current electrical fire monitoring detector in particularly a kind of industrial three-phase equilibrium circuit.
Background technology
According to the data that 2008 " Chinese fire statistics yearbook " announced, the fire that China's main cities was taken place from 1978 to 2008, electrical fire rises from accounting for 5.7% to 30.1% of fire total amount year by year, in the fire cause, ranks first always.These surprising numerals have been beaten alarm bell to us, and electric hidden danger becomes first killer who causes wildfire, and prevention is very urgent with the generation of effectively controlling electrical fire.
The residual-current electrical fire monitoring detector is the strong instrument that effectively prevents electrical fire.It has mainly been realized functions such as the collection of electricity consumption loop residual current, monitoring.It through the filter shape modulate circuit, is input to amplitude phase calculation circuit through residual current being commonly called as the electric leakage node sample, obtains digital signal, sends into master cpu at last; CPU will measure gained information and show, like information and states such as accident record, real-time parameters through after judging; And determine how to carry out control of export, and then reached the basic function requirement utility model content of device
The utility model content
The utility model technical matters to be solved provide a kind of fully exhaustively monitor residual current have monitoring comprehensively, advantage of high precision detector for electric fire protection device.
The utility model principal feature is: comprise phase-splitting residual current Acquisition Circuit, filter shape modulate circuit, amplitude phase calculation circuit, master cpu circuit, button display circuit, communicating circuit, sound light alarming circuit; Wherein phase-splitting residual current Acquisition Circuit connection filter shape modulate circuit, filter shape modulate circuit connection amplitude phase calculation circuit, amplitude phase calculation circuit are connected mutually with the master cpu circuit, the master cpu circuit is connected mutually with the button display circuit, the master cpu circuit is connected mutually with communicating circuit, the master cpu circuit connects sound light alarming circuit; Phase-splitting residual current Acquisition Circuit is by mutual inductor CT1, CT2, CT3; Circuit IA, IB, IC, N constitute; Its mutual inductor CT1, CT2, CT3 lower end are on the same surface level and are arranged in order; Mutual inductor CT1 upper end connects a circuit I A; Mutual inductor CT2 upper end connects a circuit I B; Mutual inductor CT3 upper end connects an IC circuit, and it is the common connection in lower end one circuit N in mutual inductor CT1, CT2, CT3, is between its circuit IA, IB, IC, the N to be parallel to each other.
The utility model major technique characteristics are: amplitude phase calculation circuit adopts the ATT7022D chip of huge spring photoelectricity company.
The major technique characteristics of the utility model also are: master cpu circuit 4 master chips adopt the MICROCHIP PIC24F of company family chip.
The beneficial effect of the utility model is: through adopting phase-splitting residual current Acquisition Circuit, realized that comprehensive nothing of residual current is omitted monitoring and adopted special-purpose computation chip ATT7022D to improve acquisition precision and sampling time greatly simultaneously.Has the distinguishing feature that monitoring is comprehensive, nothing is omitted, precision is high.The great achievement of native system current collection power system, electronic technology, robotization, wireless telecommunications, mimic channel utilization; With computer and network technologies is support; In the face of comprehensively design of system, optimizational function and simplified system, realize OO thought with dispersion, distributed frame.Can be like operations of working reliably for a long time such as high low temperature, vibrations, strong electromagnetic under abominable harsh industrial environment.
Description of drawings
Fig. 1 is the utility model product structure synoptic diagram
Fig. 2 adopts phase-splitting residual current Acquisition Circuit inner structure synoptic diagram for the utility model
Embodiment
Below in conjunction with accompanying drawing the utility model is further described.
Like Fig. 1; Full monitor-type residual-current electrical fire monitoring detector comprises phase-splitting residual current Acquisition Circuit 1 filter shape modulate circuit 2, amplitude phase calculation circuit 3, master cpu circuit 4, button display circuit 5, communicating circuit 6, sound light alarming circuit 7; Wherein phase-splitting residual current Acquisition Circuit 1 connects filter shape modulate circuit 2, filter shape modulate circuit 2 and connects that amplitude phase calculation circuit 3, amplitude phase calculation circuit 3 are connected mutually with master cpu circuit 4, master cpu circuit 4 is connected mutually with button display circuit 5, master cpu circuit 4 is connected mutually with communicating circuit 6, master cpu circuit 4 connection sound light alarming circuits 7; Phase-splitting residual current Acquisition Circuit 1 is by mutual inductor CT1, CT2, CT3; Circuit IA, IB, IC, N constitute; Its mutual inductor CT1, CT2, CT3 lower end are on the same surface level and are arranged in order; Mutual inductor CT1 upper end connects a circuit I A, and mutual inductor CT2 upper end connects a circuit I B, and mutual inductor CT3 upper end connects an IC circuit; The common circuit N that connects in its lower end in mutual inductor CT1, CT2, CT3; Be between its circuit IA, IB, IC, the N and be parallel to each other the ATT7022D chip of the huge spring photoelectricity of amplitude phase calculation circuit 3 employings company, the master cpu circuit 4 master chips employing MICROCHIP PIC24F of company family chip.
Claims (3)
1. full monitor-type residual-current electrical fire monitoring detector; Comprise phase-splitting residual current Acquisition Circuit (1) filter shape modulate circuit (2), amplitude phase calculation circuit (3), master cpu circuit (4), button display circuit (5), communicating circuit (6), sound light alarming circuit (7); Wherein phase-splitting residual current Acquisition Circuit (1) connection filter shape modulate circuit (2), filter shape modulate circuit (2) connection amplitude phase calculation circuit (3), amplitude phase calculation circuit (3) are connected mutually with master cpu circuit (4), master cpu circuit (4) is connected mutually with button display circuit (5), master cpu circuit (4) is connected mutually with communicating circuit (6), master cpu circuit (4) connects sound light alarming circuit (7); It is characterized in that: phase-splitting residual current Acquisition Circuit (1) is by mutual inductor CT1, CT2, CT3; Circuit IA, IB, IC, N constitute; Its mutual inductor CT1, CT2, CT3 lower end are on the same surface level and are arranged in order; Mutual inductor CT1 upper end connects a circuit I A; Mutual inductor CT2 upper end connects a circuit I B; Mutual inductor CT3 upper end connects an IC circuit, and it is the common connection in lower end one circuit N in mutual inductor CT1, CT2, CT3, is between its circuit IA, IB, IC, the N to be parallel to each other.
2. residual-current electrical fire monitoring detector as claimed in claim 1 is characterized in that: the ATT7022D chip of the huge spring photoelectricity of amplitude phase calculation circuit (3) employing company.
3. residual-current electrical fire monitoring detector as claimed in claim 1 is characterized in that: master cpu circuit (4) master chip adopts the MICROCHIP PIC24F of company family chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120239030XU CN202110627U (en) | 2011-07-07 | 2011-07-07 | Full-monitoring residual current type electric fire monitoring detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120239030XU CN202110627U (en) | 2011-07-07 | 2011-07-07 | Full-monitoring residual current type electric fire monitoring detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202110627U true CN202110627U (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120239030XU Expired - Fee Related CN202110627U (en) | 2011-07-07 | 2011-07-07 | Full-monitoring residual current type electric fire monitoring detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202110627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364533A (en) * | 2011-07-07 | 2012-02-29 | 安徽海圣电气有限公司 | Full monitoring type residual-current electrical fire monitoring detector |
-
2011
- 2011-07-07 CN CN201120239030XU patent/CN202110627U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364533A (en) * | 2011-07-07 | 2012-02-29 | 安徽海圣电气有限公司 | Full monitoring type residual-current electrical fire monitoring detector |
| CN102364533B (en) * | 2011-07-07 | 2013-11-06 | 安徽海圣电气有限公司 | Full monitoring type residual-current electrical fire monitoring detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20120111 Termination date: 20160707 |