CN106960537A - A kind of repair and maintenance detection means of novel electrical fire monitoring system - Google Patents
A kind of repair and maintenance detection means of novel electrical fire monitoring system Download PDFInfo
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- CN106960537A CN106960537A CN201710238072.3A CN201710238072A CN106960537A CN 106960537 A CN106960537 A CN 106960537A CN 201710238072 A CN201710238072 A CN 201710238072A CN 106960537 A CN106960537 A CN 106960537A
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- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 238000012544 monitoring process Methods 0.000 title claims abstract description 10
- 238000012423 maintenance Methods 0.000 title claims abstract description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
It is an object of the invention to:A kind of output frequency big with the generation of small power supply DC current is provided detection electric current is exchanged with two kinds that amplitude can be adjusted.A kind of repair and maintenance detection means of novel electrical fire monitoring system, it includes:Power supply (1), adjustable oscillating signal generating circuit (2), current amplifying output circuit (3), be characterized in that:Power supply (1) is connected with adjustable oscillating signal generating circuit (2), adjustable oscillating signal generating circuit (2) is connected with current amplifying output circuit (3), and current amplifying output circuit (3) is connected with power supply (1).Direct current is supplied adjustable oscillating signal generating circuit (2) by power supply (1), produce frequency and the adjustable analog sine of amplitude and impulse wave AC signal current that two detections need, it is sent to current amplifying output circuit (3), current signal is amplified, it is ensured that the device, which can be produced, meets the requirement that different electric fire monitoring systems detect alternating current to analog sine and impulse wave.
Description
Technical field:
The present invention relates to a kind of repair and maintenance detection means of electric fire monitoring system, it is mainly used in building electric engineering detection
Industry.
Background technology:
This year, the detection means of traditional electric fire monitoring system, due to exchange detection electric current output analog signal
Simply sine wave, but research shows that the existing continuity of residual current has glitter again, thus its act on be restricted and can not
Meet Site Detection requirement.
The content of the invention:
It is an object of the invention to:There is provided a kind of output frequency big with the generation of small power supply DC current and amplitude can adjust
Two kinds of exchange detection electric currents of section.A kind of repair and maintenance detection means of novel electrical fire monitoring system, it includes:Power supply (1), can
Adjust oscillating signal generating circuit (2), current amplifying output circuit (3), be characterized in that:Power supply (1) is sent out with adjustable oscillator signal
Raw circuit (2) connection, adjustable oscillating signal generating circuit (2) is connected with current amplifying output circuit (3), Current amplifier output electricity
Road (3) is connected with power supply (1).Direct current is supplied adjustable oscillating signal generating circuit (2) by power supply (1), and producing two detections needs
The adjustable analog sine of frequency and amplitude and impulse wave AC signal current wanted, are sent to current amplifying output circuit (3), electricity
Flow signal amplification, it is ensured that the device, which can be produced, meets different electric fire monitoring systems to analog sine and impulse wave detection friendship
Flow the requirement of electric current.
The present invention can provide the friendship that a kind of output frequency big with the generation of small power supply DC current and amplitude can be adjusted
Stream detection electric current, so that the problem of efficiently solving the detection means of traditional electric fire monitoring system and cannot solve.
Such scheme can be so perfect:In oscillating signal generating circuit (2), model ICL8038 a variety of wave modes are defeated
The accurate vibration output end pin (A) of integrated package (5) the 6th gone out is connected with power supply (1) positive pole, and its line and the one of potentiometer (4)
End, one end of resistance (2), one end of resistance (6), one end of resistance (7) and one end connection of adjustable resistance (8), resistance (2)
The other end is connected with the one end of potentiometer (3), the other end of potentiometer (3) and one end of resistance (12), model ICL8038's
The accurate vibration output end pin (K) of integrated package (5) the 11st of a variety of wave mode outputs, one end of test wrapper (14) and power supply (1) are negative
Pole is connected, and the other end of potentiometer (4) is connected with the other end of resistance (12), the other end and Current amplifier of adjustable resistance (8)
The triode (15) of output circuit (3) colelctor electrode connection, the emitter stage of the triode (15) of current amplifying output circuit (3) with
The other end connection of test wrapper (14), base stage and the selecting switch (13) of the triode (15) of current amplifying output circuit (3)
Manually select end (9) connection, the precision that the connection end (10) of selecting switch (13) is exported with model ICL8038 a variety of wave modes
Vibrate the connection of integrated package (5) the 3rd output end pin (I), the connection end (11) of selecting switch (13) is more with model ICL8038's
Plant accurate vibration integrated package (5) second output end pin (H) connection of wave mode output, the other end and model of resistance (7)
Accurate vibration integrated package (5) the 5th output end pin (B) connection of ICL8038 a variety of wave modes output, the other end of resistance (6) with
Accurate vibration integrated package (5) the 4th output end pin (C) connection of model ICL8038 a variety of wave modes output, model
The accurate vibration output end pin (D) of integrated package (5) the 7th of ICL8038 a variety of wave modes output is connected with the 8th output end pin (E),
The accurate vibration output end pin of integrated package (5) first that the output end of potentiometer (4) is exported with model ICL8038 a variety of wave modes
(F) connect, the accurate vibration integrated package (5) the 12nd that potentiometer (3) output end is exported with model ICL8038 a variety of wave modes
Output end pin (G) is connected.The small power supply DC current of power supply (1) is converted to sine by adjustable oscillating signal generating circuit (2)
Two kinds of signal communication electric currents of ripple and impulse wave, when in the process by adjustable oscillating signal generating circuit (2), pass through potentiometer
(4) output end regulation and the regulation of potentiometer (3) output end so that two kinds of signal communication current amplitudes of sine wave and impulse wave and frequency
Rate is changed, accurate vibration integrated package (5) second output end pin (H) output of model ICL8038 a variety of wave modes output
Waveform be sine wave, the accurate vibration output end pin (I) of integrated package (5) the 3rd of model ICL8038 a variety of wave modes output
The waveform of output is impulse wave, during detection, and end (9) the selection rod that manually selects of selecting switch (13) is pulled out to connection end (11),
The accurate vibration output end pin (H) of integrated package (5) second of model ICL8038 a variety of wave modes output exports electricity with Current amplifier
The base stage connection of the triode (15) on road (3), output sine wave signal alternating current is made by the Current amplifier of triode (15)
With making its emitter stage obtain sine wave AC electric current one big, end (9) the selection rod that manually selects of selecting switch (13) is pulled out
To connection end (10), the accurate vibration output end pin (I) of integrated package (5) the 3rd of model ICL8038 a variety of wave modes output with
The base stage connection of the triode (15) of current amplifying output circuit (3), output pulse wave signal alternating current passes through triode
(15) Current amplifier effect makes its emitter stage obtain impulse wave alternating current one big.
Brief description of the drawings:
Fig. 1, a kind of functional-block diagram of the invention.
Fig. 2, a kind of circuit structure diagram of the invention.
Embodiment:
Embodiment 1
See Fig. 1, power supply (1) is connected with adjustable oscillating signal generating circuit (2), adjustable oscillating signal generating circuit (2) with
Current amplifying output circuit (3) is connected.The following is physical circuit figure:
See in Fig. 2, oscillating signal generating circuit (2), the precision vibration of model ICL8038 a variety of wave modes output is integrated
The output end pin (A) of block (5) the 6th is connected with power supply (1) positive pole, and one end of its line and potentiometer (4), the one of resistance (2)
End, one end of resistance (6), one end of resistance (7) and one end connection of adjustable resistance (8), the other end and potentiometer of resistance (2)
(3) one end connection, the other end of potentiometer (3) and one end of resistance (12), model ICL8038 a variety of wave modes output
The precision vibration output end pin (K) of integrated package (5) the 11st, one end of test wrapper (14) and the connection of power supply (1) negative pole, potentiometer
(4) the other end is connected with the other end of resistance (12), the other end and the current amplifying output circuit (3) of adjustable resistance (8)
The colelctor electrode connection of triode (15), emitter stage and the test wrapper (14) of the triode (15) of current amplifying output circuit (3)
The other end is connected, and the base stage of the triode (15) of current amplifying output circuit (3) manually selects end (9) with selecting switch (13)
Connection, the accurate vibration integrated package (5) that the connection end (10) of selecting switch (13) is exported with model ICL8038 a variety of wave modes
3rd output end pin (I) is connected, the essence that the connection end (11) of selecting switch (13) is exported with model ICL8038 a variety of wave modes
Close vibration integrated package (5) second output end pin (H) connection, the other end of resistance (7) and model ICL8038 a variety of wave modes are defeated
Accurate vibration integrated package (5) the 5th output end pin (B) connection gone out, the other end of resistance (6) is a variety of with model ICL8038's
Accurate vibration integrated package (5) the 4th output end pin (C) connection of wave mode output, model ICL8038 a variety of wave modes output
The precision vibration output end pin (D) of integrated package (5) the 7th is connected with the 8th output end pin (E), the output end and model of potentiometer (4)
Accurate vibration integrated package (5) first output end pin (F) connection exported for ICL8038 a variety of wave modes, potentiometer (3) output end
It is connected with the accurate vibration output end pin (G) of integrated package (5) the 12nd that model ICL8038 a variety of wave modes are exported.Power supply (1)
Small power supply DC current be converted to two kinds of signal communication electricity of sine wave and impulse wave by adjustable oscillating signal generating circuit (2)
Stream, when in the process by adjustable oscillating signal generating circuit (2), passes through the regulation of potentiometer (4) output end and potentiometer (3)
Output end is adjusted so that two kinds of signal communication current amplitudes of sine wave and impulse wave and frequency are changed, model ICL8038
The waveform of accurate vibration integrated package (5) second output end pin (H) output of a variety of wave modes output be sine wave, model
The waveform of accurate vibration integrated package (5) the 3rd output end pin (I) output of ICL8038 a variety of wave modes output is impulse wave, inspection
During survey, end (9) the selection rod that manually selects of selecting switch (13) is pulled out to connection end (11), model ICL8038 a variety of ripples
The base of the accurate vibration output end pin (H) of integrated package (5) second and the triode (15) of current amplifying output circuit (3) of type output
Pole is connected, and it is one big that output sine wave signal alternating current obtains its emitter stage by the Current amplifier effect of triode (15)
Sine wave AC electric current, by selecting switch (13) manually select end (9) selection rod pull out to connection end (10), model
The accurate vibration output end pin (I) of integrated package (5) the 3rd and current amplifying output circuit (3) of ICL8038 a variety of wave modes output
Triode (15) base stage connection, output pulse wave signal alternating current makes it by the effect of the Current amplifier of triode (15)
Emitter stage obtains impulse wave alternating current one big, when testing at the scene, test wrapper (14) is enclosed within annular transformer, so
Afterwards, regulation variable resistor (8) is such that two kinds of alternating current amplitudes of sine wave and impulse wave are all changed, and output current reaches leakage
The setting alarming value of electric fire detector, it is normal if equipment alarm, it is otherwise, then abnormal.
Said elements parameter is as follows:
Power supply (1):DC12V
Accurate vibration integrated package (5) model of a variety of wave mode outputs:ICL8038
Triode (15) model of current amplifying output circuit (3):2SC5200
Variable resistor (8):10Ω
Potentiometer (3):0~100K Ω
Potentiometer (4):0~100K Ω
Resistance (2):10KΩ
Resistance (12):10KΩ
Resistance (6):33K Ω resistance (7):33KΩ.
Claims (1)
1. a kind of repair and maintenance detection means of novel electrical fire monitoring system, it includes:Power supply (1), adjustable oscillator signal occur
Circuit (2), current amplifying output circuit (3), be characterized in that:Power supply (1) is connected with adjustable oscillating signal generating circuit (2),
Adjustable oscillating signal generating circuit (2) is connected with current amplifying output circuit (3), current amplifying output circuit (3) and power supply (1)
Connection, during detection, end (9) the selection rod that manually selects of selecting switch (13) is pulled out to connection end (11), model ICL8038's
The triode of the accurate vibration output end pin (H) of integrated package (5) second and current amplifying output circuit (3) of a variety of wave mode outputs
(15) base stage connection, output sine wave signal alternating current obtains its emitter stage by the Current amplifier effect of triode (15)
Sine wave AC electric current one big is obtained, end (9) the selection rod that manually selects of selecting switch (13) is pulled out to connection end (10), type
Number accurate vibration output end pin (I) of integrated package (5) the 3rd and current amplifying output circuit that are exported for ICL8038 a variety of wave modes
(3) the base stage connection of triode (15), output pulse wave signal alternating current is acted on by the Current amplifier of triode (15)
Its emitter stage is set to obtain impulse wave alternating current one big.
Priority Applications (1)
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CN201710238072.3A CN106960537A (en) | 2017-04-07 | 2017-04-07 | A kind of repair and maintenance detection means of novel electrical fire monitoring system |
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CN201710238072.3A CN106960537A (en) | 2017-04-07 | 2017-04-07 | A kind of repair and maintenance detection means of novel electrical fire monitoring system |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3119068A (en) * | 1957-08-20 | 1964-01-21 | Louis A Rosenthal | Half-sine wave pulse generator using shock excited resonant circuit discharging through a thyratron |
AT275247B (en) * | 1966-08-27 | 1969-10-10 | Bosch Gmbh Robert | Signal generator |
KR20010010408A (en) * | 1999-07-20 | 2001-02-15 | 구자홍 | The power factor improvement and pulse amplitude modulation control circuit for inverter system |
CN104361802A (en) * | 2014-12-02 | 2015-02-18 | 国家电网公司 | Electrical operation simulation device for capacitive equipment |
CN205608986U (en) * | 2015-12-03 | 2016-09-28 | 广东华建电气消防安全检测有限公司 | Detection apparatus for alarm and control system for electric fire prevention |
CN207676449U (en) * | 2017-04-07 | 2018-07-31 | 广东华建电气消防安全检测有限公司 | A kind of maintenance detection device of novel electrical fire monitoring system |
-
2017
- 2017-04-07 CN CN201710238072.3A patent/CN106960537A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3119068A (en) * | 1957-08-20 | 1964-01-21 | Louis A Rosenthal | Half-sine wave pulse generator using shock excited resonant circuit discharging through a thyratron |
AT275247B (en) * | 1966-08-27 | 1969-10-10 | Bosch Gmbh Robert | Signal generator |
DE1539172B1 (en) * | 1966-08-27 | 1972-03-09 | Bosch Gmbh Robert | SIGNAL GENERATOR FOR AN ELECTRONIC IGNITION SYSTEM |
KR20010010408A (en) * | 1999-07-20 | 2001-02-15 | 구자홍 | The power factor improvement and pulse amplitude modulation control circuit for inverter system |
CN104361802A (en) * | 2014-12-02 | 2015-02-18 | 国家电网公司 | Electrical operation simulation device for capacitive equipment |
CN205608986U (en) * | 2015-12-03 | 2016-09-28 | 广东华建电气消防安全检测有限公司 | Detection apparatus for alarm and control system for electric fire prevention |
CN207676449U (en) * | 2017-04-07 | 2018-07-31 | 广东华建电气消防安全检测有限公司 | A kind of maintenance detection device of novel electrical fire monitoring system |
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Legal Events
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: Room A608, A702, A703, No. 349, Baiyun Avenue North, Yongping Street, Baiyun District, Guangzhou, Guangdong, 510000 Applicant after: GUANGDONG HUAJIAN ELECTRICAL FIRE SAFETY TESTING CO.,LTD. Address before: 5th Floor, West Block, Building 4, Baiyun International Convention Center, No. 1039 Baiyun Avenue South, Guangzhou, Guangdong Province, 510000 Applicant before: GUANGDONG HUAJIAN ELECTRICAL FIRE SAFETY TESTING CO.,LTD. |
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WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170718 |