CN207676449U - A kind of maintenance detection device of novel electrical fire monitoring system - Google Patents
A kind of maintenance detection device of novel electrical fire monitoring system Download PDFInfo
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- CN207676449U CN207676449U CN201720382139.6U CN201720382139U CN207676449U CN 207676449 U CN207676449 U CN 207676449U CN 201720382139 U CN201720382139 U CN 201720382139U CN 207676449 U CN207676449 U CN 207676449U
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Abstract
The purpose of this utility model is that：There is provided it is a kind of with small power supply DC current generate big output frequency with amplitude can be adjusted two kinds exchange detection electric current.A kind of maintenance detection device of novel electrical fire monitoring system comprising：Power supply (1), adjustable oscillating signal generating circuit (2), current amplifying output circuit (3), it is characterized in that：Power supply (1) is connect with adjustable oscillating signal generating circuit (2), adjustable oscillating signal generating circuit (2) connect with current amplifying output circuit (3), and current amplifying output circuit (3) is connect with power supply (1).Direct current is supplied adjustable oscillating signal generating circuit (2) by power supply (1), generate the 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, ensures that the device can generate and meets the requirement that different electric fire monitoring systems detect analog sine and impulse wave alternating current.
Description
Technical field：
The utility model is related to a kind of maintenance detection devices of electric fire monitoring system, are mainly used for building electric engineering
Detection industry.
Background technology：
This year, the detection device of traditional electric fire monitoring system, since exchange detection electric current exports analog signal
Only sine wave, but studies have shown that the existing continuity of residual current has glitter again, thus its effect be restricted and cannot
Meet Site Detection requirement.
Utility model content：
The purpose of this utility model is that：It provides and a kind of big output frequency and amplitude energy is generated with small power supply DC current
The two kinds of exchange detection electric currents enough adjusted.A kind of maintenance detection device of novel electrical fire monitoring system comprising：Power supply
(1), adjustable oscillating signal generating circuit (2), current amplifying output circuit (3), it is characterized in that：Power supply (1) and adjustable oscillation
Signal generating circuit (2) connects, and adjustable oscillating signal generating circuit (2) connect with current amplifying output circuit (3), and electric current is put
Big output circuit (3) is connect with power supply (1).Direct current is supplied adjustable oscillating signal generating circuit (2) by power supply (1), generates two
The frequency and the adjustable analog sine of amplitude and impulse wave AC signal current that a detection needs, are sent to current amplifying output circuit
(3), current signal is amplified, ensures that the device can generate and meets different electric fire monitoring systems to analog sine and pulse
Wave detects the requirement of alternating current.
The utility model, which is capable of providing, a kind of to be generated big output frequency and amplitude with small power supply DC current and can adjust
Exchange detect electric current, what the detection device to efficiently solve traditional electric fire monitoring system cannot solve asks
Topic.
Said program can be perfect in this way：In oscillating signal generating circuit (2), a variety of wave modes of model ICL8038 are defeated
The accurate oscillation integrated package (5) the 6th gone out exports end feet (A) and is connect with power supply (1) anode, and its line and the second potentiometer (4)
One end, one end of first resistor (16), one end of 3rd resistor (6), one end of the 4th resistance (7) and adjustable resistance (8)
One end connects, and the other end of first resistor (16) connect with one end of the first potentiometer (17), the first potentiometer (17) it is another
The one end at end and resistance (12), accurate oscillation the 11st output end of integrated package (5) of a variety of wave modes output of model ICL8038
Foot (K), one end of test wrapper (14) and the connection of power supply (1) cathode, the other end and the second resistance (12) of the second potentiometer (4)
Other end connection, the collector of the other end of adjustable resistance (8) and the triode (15) of current amplifying output circuit (3) connects
It connects, the emitter of the triode (15) of current amplifying output circuit (3) is connect with the other end of test wrapper (14), and Current amplifier is defeated
The base stage for the triode (15) for going out circuit (3) is connect with the end (9) that manually selects of selecting switch (13), the company of selecting switch (13)
It connects end (10) and is connect with accurate oscillation integrated package (5) third output end feet (I) that a variety of wave modes of model ICL8038 export,
The accurate oscillation integrated package (5) second that the connecting pin (11) of selecting switch (13) is exported with a variety of wave modes of model ICL8038
It exports end feet (H) to connect, the other end of the 4th resistance (7) collects with the accurate oscillation that a variety of wave modes of model ICL8038 export
Blocking (5) the 5th output end feets (B) connect, and the other end of 3rd resistor (6) is exported with a variety of wave modes of model ICL8038
Accurate oscillation integrated package (5) the 4th export end feet (C) and connect, the accurate oscillation of a variety of wave modes output of model ICL8038
Integrated package (5) the 7th exports end feet (D) and is connect with the 8th output end feet (E), the output end and model of the second potentiometer (4)
The accurate oscillation integrated package (5) first of a variety of wave modes output of ICL8038 exports end feet (F) and connects, and the first potentiometer (17) is defeated
Outlet exports end feet (G) with the accurate oscillation integrated package (5) the 12nd that a variety of wave modes of model ICL8038 export and connect.Electricity
The small power supply DC current in source (1) is converted to two kinds of signals of sine wave and impulse wave by adjustable oscillating signal generating circuit (2)
Alternating current is adjusted when passing through adjustable oscillating signal generating circuit (2) in the process by the second potentiometer (4) output end
It is adjusted with the first potentiometer (17) output end so that two kinds of signal communication current amplitudes of sine wave and impulse wave and frequency are become
Change, the waveform that accurate oscillation integrated package (5) the second output terminal foot (H) of a variety of wave modes output of model ICL8038 exports is
Sine wave, the wave of accurate oscillation integrated package (5) third output end feet (I) output of a variety of wave modes output of model ICL8038
Shape is impulse wave, and when detection, end (9) the selection stick that manually selects of selecting switch (13) is pulled out to connecting pin (11), model
Accurate oscillation integrated package (5) second output terminal foot (H) and current amplifying output circuit of a variety of wave modes output of ICL8038
(3) base stage of triode (15) connects, and output sine wave signal alternating current is acted on by the Current amplifier of triode (15)
Make its emitter obtain a big sine wave AC electric current, by selecting switch (13) manually select end (9) select stick pull out to
Connecting pin (10), accurate oscillation integrated package (5) third output end feet (I) of a variety of wave modes output of model ICL8038 and electricity
The base stage connection of the triode (15) of amplification output circuit (3) is flowed, output pulse wave signal alternating current passes through triode (15)
Current amplifier effect make its emitter obtain a big impulse wave alternating current.
Description of the drawings：
Fig. 1, a kind of functional-block diagram of the utility model.
Fig. 2, a kind of circuit structure diagram of the utility model.
Specific implementation mode：
Embodiment 1
See that Fig. 1, power supply (1) are connect with adjustable oscillating signal generating circuit (2), adjustable oscillating signal generating circuit (2) with
Current amplifying output circuit (3) connects.It is physical circuit figure below：
See Fig. 2, in oscillating signal generating circuit (2), the accurate oscillation of a variety of wave modes output of model ICL8038 is integrated
Block (5) the 6th exports end feet (A) and is connect with power supply (1) anode, and one end of its line and the second potentiometer (4), first resistor
(16) one end, one end of 3rd resistor (6), one end of the 4th resistance (7) and one end connection of adjustable resistance (8), the first electricity
The other end of resistance (16) is connect with one end of the first potentiometer (17), the other end and second resistance of the first potentiometer (17)
(12) the accurate oscillation integrated package (5) the 11st of one end, a variety of wave modes output of model ICL8038 exports end feet (K),
One end of test wrapper (14) and the connection of power supply (1) cathode, the other end of the other end and second resistance (12) of the second potentiometer (4)
Connection, the other end of adjustable resistance (8) are connect with the collector of the triode (15) of current amplifying output circuit (3), and electric current is put
The emitter of the triode (15) of big output circuit (3) is connect with the other end of test wrapper (14), current amplifying output circuit (3)
The base stage of triode (15) connect with the end (9) that manually selects of selecting switch (13), the connecting pin (10) of selecting switch (13)
It is connect with accurate oscillation integrated package (5) third output end feet (I) that a variety of wave modes of model ICL8038 export, selecting switch
(13) accurate oscillation integrated package (5) second output terminal foot that a variety of wave modes of connecting pin (11) and model ICL8038 export
(H) it connects, the accurate oscillation integrated package (5) that the other end of the 4th resistance (7) is exported with a variety of wave modes of model ICL8038
5th output end feet (B) connects, and the precision that the other end of 3rd resistor (6) is exported with a variety of wave modes of model ICL8038 is shaken
It swings integrated package (5) the 4th and exports end feet (C) connection, the accurate oscillation integrated package (5) of a variety of wave modes output of model ICL8038
7th output end feet (D) is connect with the 8th output end feet (E), and the output end of the second potentiometer (4) and model ICL8038's is more
The accurate oscillation integrated package (5) first of kind wave mode output exports end feet (F) connection, the first potentiometer (17) output end and model
End feet (G) is exported for the accurate oscillation integrated package (5) the 12nd that a variety of wave modes of ICL8038 export to connect.The small electricity of power supply (1)
Source DC current is converted to two kinds of signal communication electric currents of sine wave and impulse wave by adjustable oscillating signal generating circuit (2),
When during this by adjustable oscillating signal generating circuit (2), adjusted and the first potentiometer by the second potentiometer (4) output end
(17) output end is adjusted so that two kinds of signal communication current amplitudes of sine wave and impulse wave and frequency are changed, model
The waveform that accurate oscillation integrated package (5) the second output terminal foot (H) of a variety of wave modes output of ICL8038 exports is sine wave, type
It is pulse number to export the waveform that end feet (I) exports for accurate oscillation integrated package (5) third that a variety of wave modes of ICL8038 export
Wave when detection, end (9) the selection stick that manually selects of selecting switch (13) is pulled out to connecting pin (11), model ICL8038's is more
The triode (15) of accurate oscillation integrated package (5) second output terminal foot (H) and current amplifying output circuit (3) of kind wave mode output
Base stage connection, output sine wave signal alternating current makes its emitter obtain one by the effect of the Current amplifier of triode (15)
A big sine wave AC electric current pulls out end (9) the selection stick that manually selects of selecting switch (13) to connecting pin (10), model
Accurate oscillation integrated package (5) third output end feet (I) of a variety of wave modes output of ICL8038 and current amplifying output circuit (3)
Triode (15) base stage connection, output pulse wave signal alternating current makes it by the effect of the Current amplifier of triode (15)
Emitter obtains a big impulse wave alternating current, when testing at the scene, test wrapper (14) is sleeved on annular mutual inductor, so
Afterwards, variable resistance (8) is adjusted so that two kinds of alternating current amplitudes of sine wave and impulse wave are all changed, output current reaches leakage
The setting alarming value of electrical fire fire detector, it is normal if equipment alarm, it is otherwise, then abnormal.
Said elements parameter is as follows：
Power supply (1)：DC12V
Accurate oscillation integrated package (5) model of a variety of wave mode outputs：ICL8038
Triode (15) model of current amplifying output circuit (3)：2SC5200
Variable resistance (8)：10Ω
Potentiometer (3)：0~100K Ω
Potentiometer (4)：0~~100K Ω
Resistance (2)：10KΩ
Resistance (12)：10KΩ
Resistance (6)：33KΩ
Resistance (7)：33KΩ.
Claims (1)
1. a kind of maintenance detection device of novel electrical fire monitoring system comprising：Power supply (1), adjustable oscillator signal occur
Circuit (2), current amplifying output circuit (3), it is characterized in that：Power supply (1) is connect with adjustable oscillating signal generating circuit (2),
Adjustable oscillating signal generating circuit (2) connect with current amplifying output circuit (3), current amplifying output circuit (3) and power supply (1)
It connects, in oscillating signal generating circuit (2), the accurate oscillation integrated package (5) the 6th of a variety of wave modes output of model ICL8038
Output end feet (A) is connect with power supply (1) anode, and one end of its line and the second potentiometer (4), and the one of first resistor (16)
End, one end of 3rd resistor (6), one end of the 4th resistance (7) and one end connection of adjustable resistance (8), first resistor (16)
The other end is connect with the one end of the first potentiometer (17), one end of the other end and second resistance (12) of the first potentiometer (17),
The accurate oscillation integrated package (5) the 11st of a variety of wave modes output of model ICL8038 exports end feet (K), test wrapper (14)
One end and the connection of power supply (1) cathode, the other end of the second potentiometer (4) are connect with the other end of second resistance (12), adjustable electric
The other end of resistance (8) is connect with the collector of the triode (15) of current amplifying output circuit (3), current amplifying output circuit
(3) emitter of triode (15) is connect with the other end of test wrapper (14), the triode of current amplifying output circuit (3)
(15) base stage is connect with the end (9) that manually selects of selecting switch (13), the connecting pin (10) of selecting switch (13) and model
Accurate oscillation integrated package (5) third output end feet (I) of a variety of wave modes output of ICL8038 connects, the company of selecting switch (13)
It connects end (11) and is connect with accurate oscillation integrated package (5) the second output terminal foot (H) that a variety of wave modes of model ICL8038 export,
Accurate oscillation the 5th output end of integrated package (5) that the other end of 4th resistance (7) is exported with a variety of wave modes of model ICL8038
Foot (B) connects, the accurate oscillation integrated package (5) that the other end of 3rd resistor (6) is exported with a variety of wave modes of model ICL8038
4th output end feet (C) connects, accurate oscillation the 7th output end of integrated package (5) of a variety of wave modes output of model ICL8038
Foot (D) is connect with the 8th output end feet (E), and the output end of the second potentiometer (4) is exported with a variety of wave modes of model ICL8038
Accurate oscillation integrated package (5) first export end feet (F) and connect, the first potentiometer (17) output end is with model ICL8038's
The accurate oscillation integrated package (5) the 12nd of a variety of wave mode outputs exports end feet (G) and connects, the small power supply DC current of power supply (1)
Two kinds of signal communication electric currents of sine wave and impulse wave are converted to by adjustable oscillating signal generating circuit (2), are passed through in the process
When crossing adjustable oscillating signal generating circuit (2), adjusted and the first potentiometer (17) output end by the second potentiometer (4) output end
It adjusts so that two kinds of signal communication current amplitudes of sine wave and impulse wave and frequency are changed, and model ICL8038's is a variety of
The waveform that accurate oscillation integrated package (5) the second output terminal foot (H) of wave mode output exports is sine wave, model ICL8038's
The waveform that accurate oscillation integrated package (5) third output end feet (I) of a variety of wave modes output exports is impulse wave, when detection, will be selected
End (9) the selection stick that manually selects for selecting switch (13) is pulled out to connecting pin (11), the essence of a variety of wave modes output of model ICL8038
Close oscillation integrated package (5) second output terminal foot (H) connect with the base stage of the triode (15) of current amplifying output circuit (3), defeated
Go out sine wave signal alternating current makes its emitter obtain a big sine wave by the Current amplifier effect of triode (15)
Alternating current pulls out end (9) the selection stick that manually selects of selecting switch (13) to connecting pin (10), and model ICL8038's is more
The triode (15) of accurate oscillation integrated package (5) third output end feet (I) and current amplifying output circuit (3) of kind wave mode output
Base stage connection, output pulse wave signal alternating current makes its emitter obtain one by the effect of the Current amplifier of triode (15)
A big impulse wave alternating current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720382139.6U CN207676449U (en) | 2017-04-07 | 2017-04-07 | A kind of maintenance detection device of novel electrical fire monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720382139.6U CN207676449U (en) | 2017-04-07 | 2017-04-07 | A kind of maintenance detection device of novel electrical fire monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207676449U true CN207676449U (en) | 2018-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720382139.6U Expired - Fee Related CN207676449U (en) | 2017-04-07 | 2017-04-07 | A kind of maintenance detection device of novel electrical fire monitoring system |
Country Status (1)
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| CN (1) | CN207676449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960537A (en) * | 2017-04-07 | 2017-07-18 | 广东华建电气消防安全检测有限公司 | A kind of repair and maintenance detection means of novel electrical fire monitoring system |
-
2017
- 2017-04-07 CN CN201720382139.6U patent/CN207676449U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960537A (en) * | 2017-04-07 | 2017-07-18 | 广东华建电气消防安全检测有限公司 | A kind of repair and maintenance detection means of novel electrical fire monitoring system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |