CN201926752U - Detection device for electric leakage detection alarm of electric fire control - Google Patents
Detection device for electric leakage detection alarm of electric fire control Download PDFInfo
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- CN201926752U CN201926752U CN2010205375805U CN201020537580U CN201926752U CN 201926752 U CN201926752 U CN 201926752U CN 2010205375805 U CN2010205375805 U CN 2010205375805U CN 201020537580 U CN201020537580 U CN 201020537580U CN 201926752 U CN201926752 U CN 201926752U
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Abstract
The utility model relates to a detection device for an electric leakage detection alarm of an electric fire control. The utility model aims to adopt the non-line detection method, thereby avoiding the defects of the traditional detection device of the insecurity and the false operation caused easily. The detection device is characterized in that a direct current power supply (1) is connected with a detection current regulator (2), the detection current regulator (2) is connected with a pulse current generator (3), and the pulse current generator (3) is connected with a detection port (4). By adopting the structure, the detection device is not communicated with a power supply circuit monitored, namely, the method used is the non-line detection method, so that whether the power supply circuit monitored is in a power supply state, the performance of the electric leakage detection alarm for the fire control can be detected; as the structure uses a safety voltage, the detection device is always in a safety state.
Description
Affiliated technical field:
The utility model relates to a kind of pick-up unit of electric fire-fighting electric leakage detecting alarm.
Background technology:
The pick-up unit of traditional electric fire-fighting electric leakage detecting alarm all adopts the test side monitored current supply circuit of connection to carry out online detection.Need during detection the test side contact is contacted with the cable terminal of detected material, because the measured object majority is in the panel box, but the operating space is narrow and small, touches other live terminal easily and the generation accident, cause difficulty to detection, such structure was not only dangerous but also cause misoperation easily.
Summary of the invention:
For overcoming the deficiency that existing electric fire-fighting electric leakage detecting alarm touches the misoperation generation accident of other live terminal easily, the utility model provides a kind of pick-up unit, the purpose of its structure is to adopt non-on-line detection method, thereby has avoided the dangerous shortcoming that causes misoperation again easily of traditional detection device.
The utility model can be realized like this: a kind of pick-up unit of electric fire-fighting electric leakage detecting alarm, it is characterized in that: direct supply (1) is connected with detection current regulator (2), detect current regulator (2) and be connected with impulse current generator (3), impulse current generator (3) is connected with detection port (4).The safe DC current that low-voltage dc power supply (1) produces is current regulator (2) after testing, detect current regulator (2) DC current is adjusted into the DC current identical with the setting value of detected alarm, electric current through adjusting is modeled into the residual current that is produced when taking place to leak electricity in the detected current supply circuit through impulse current generator (3), monitored current supply circuit be communicated with or disconnected situation under with the residual current transformer (7) of the non-latch closure online of port (4) at detected alarm on, the performance of electric fire-fighting electric leakage detecting alarm is detected.The residual current transformer (7) of the pulse current of ring-type detection port (4) and detected alarm produces the mutual inductance effect, thus detect in running order alarm whether exist fault (if alarm equipment alarm then normally otherwise then undesired).The above-mentioned residual current detected alarm current supply circuit of monitoring just is easy to generate the hidden danger place of fire.Testing result is the work safety state of the electric fire-fighting electric leakage of accurately reflection detecting alarm.
The utility model can be perfect like this: autoscope (5) is connected with impulse current generator (3), and dc charger (6) is connected with direct supply (1).Acting as of autoscope (5): detect whether operate as normal of this pick-up unit.The self check lamp is closed when undesired, will place under repair.The effect of dc charger (6) is for the charging of this pick-up unit, to guarantee its normal use.
The beneficial effects of the utility model are, adopt this structure because device is not communicated with monitored current supply circuit, promptly the detection mode that is adopted is non-online mode, so, no matter whether monitored current supply circuit is in power supply state, all can carry out the performance of electric fire-fighting electric leakage detecting alarm is detected, and because this structure adopts is safe voltage, under device is in a safe condition all the time.
Description of drawings:
Fig. 1 is a kind of block diagram of the present utility model.
Fig. 2 is an another kind of block diagram of the present utility model.
Fig. 3 is a kind of product circuit figure of the present utility model.
Fig. 4 is the structural map of a kind of detection port of the present utility model.
Fig. 5 is another kind of product circuit figure of the present utility model.
Embodiment:
See; Fig. 1, Fig. 3, Fig. 4
(1) is direct supply; (2) be to detect current regulator; (3) be impulse current generator; (4) be detection port [detecting pincers].Wherein: direct supply (1) is by the battery (1A) of 12V, power switch (1B), and LED power light (1C), impedance resistance (1D) constitutes; Detect current regulator (2) by triode TIP3055 element (2A), potentiometer RP 4K7 element (2B), impedance resistance R 1 100K element (2C) are formed; Impulse current generator (3) is impedance resistance R 2 47 elements (3A), and coil transformer element (3B), coil transformer element (3C), triode TIP3055 element (3D), triode TIP3055 element (3E) are formed; Detection port (4) is by connection terminal (4A), and reometer (4B) is formed.
Power switch (1B) end of direct supply (1) is connected with the positive pole of dc-battery (1A), the positive pole of the other end and LED power light (1C), one side stiff end of the potentiometer (2B) of current regulator (2), the collector of triode (2A) is connected, be power switch (1B), LED power light (1C), potentiometer (2B), triode (2A) forms the π type and connects, and the negative pole of LED power light (1C) is connected with impedance resistance (1D), the adjustable end of potentiometer (2B) is connected with the base stage of triode (2A) and another stiff end is connected with impedance resistance (2C), the emitter of triode (2A) is connected respectively to the impedance resistance (3A) of impulse current generator (3), the centre tap of the coil winding of coil transformer (3B), the centre tap of the winding of the other end connecting coil transformer (3C) of impedance resistance (3A), coil transformer (3B, 3C) shared same iron core, coil transformer (3B) winding two ends are connected respectively to triode (3D, collector 3E), coil transformer (3C) winding two ends are connected respectively to triode (3D, base stage 3E), triode (3D, emitter 3E) is connected to a side joint terminal of the connection terminal (4A) of detection port (4) simultaneously, the opposite side binding post of connection terminal (4A) is connected with reometer (4B) is anodal, and reometer (4B) negative pole is together with impedance resistance (2C) other end, impedance resistance (1D) other end is connected to the negative pole of dc-battery (1A) in the lump.
See Fig. 2, Fig. 4, Fig. 5
(1) is direct supply; (2) be to detect current regulator; (3) be impulse current generator; (4) be detection port [detecting pincers].Wherein: direct supply (1) is by the battery (1A) of 12V, power switch (1B), and LED power light (1C), impedance resistance (1D) constitutes; Detect current regulator (2) by triode TIP3055 element (2A), potentiometer RP 4K7 element (2B), impedance resistance R 1 100K element (2C) are formed; Impulse current generator (3) is impedance resistance R 2 47 elements (3A), and coil transformer element (3B), coil transformer element (3C), triode TIP3055 element (3D), triode TIP3055 element (3E) are formed; Detection port (4) is by connection terminal (4A), and reometer (4B) is formed; Autoscope (5) is by impedance resistance R 1 100K element (5A), self check linked switch (5B), and LED self check pilot lamp (5C) is formed; Dc charger (6) is the alternation dc charger (6A) of 12V.
Power switch (1B) end of direct supply (1) is connected with dc-battery (1A) is anodal, the positive pole of the other end and LED power light (1C), one side stiff end of the potentiometer (2B) of current regulator (2), the collector of triode (2A) is connected, be power switch (1B), LED power light (1C), potentiometer (2B), triode (2A) forms the π type and connects, and the negative pole of LED power light (1C) is connected with impedance resistance (1D), the adjustable end of potentiometer (2B) is connected with the base stage of triode (2A) and another stiff end is connected with impedance resistance (2C), the emitter of triode (2A) respectively with the impedance resistance (3A) of impulse current generator (3), the centre tap of the coil winding of coil transformer (3B), the impedance resistance (5A) of autoscope (5) connects, the centre tap of the coil of impedance resistance (3A) other end connecting coil transformer (3C), coil transformer (3B, 3C) shared same iron core, the winding two ends of coil transformer (3B) connect triode (3D respectively, 3E, 3F, collector 3G), the coil winding two ends of coil transformer (3C) then respectively with triode (3D, 3E, 3F, base stage 3G) connects, triode (3D, 3E, 3F, emitter 3G) then is connected to a side joint terminal of the connection terminal (4A) of detection port (4) simultaneously, 4 triode (3D, 3E, 3F, 3G) in parallel mutually in twos, the opposite side binding post of connection terminal (4A) is connected with reometer (4B) is anodal, the both sides binding post of connection terminal (4A) connects the both sides of self check linked switch (5B) respectively, reometer (4B) negative pole is together with impedance resistance (2C) other end, impedance resistance (1D) other end is connected to the negative pole of dc-battery (1A) in the lump, impedance resistance (5A) other end connects self check linked switch (5B) and LED self check pilot lamp (5C) forms series connection, the negative pole of LED self check pilot lamp (5C) connects the negative pole of dc-battery (1A), and the alternation dc charger (6A) of dc charger (6) is connected with the dc-battery (1A) of direct supply (1).
Claims (7)
1. the pick-up unit of an electric fire-fighting electric leakage detecting alarm, it is characterized in that: direct supply (1) is connected with detection current regulator (2), detect current regulator (2) and be connected with impulse current generator (3), impulse current generator (3) is connected with detection port (4).
2. the pick-up unit of electric fire-fighting electric leakage detecting alarm according to claim 1, it is characterized in that: autoscope (5) is connected with impulse current generator (3), and dc charger (6) is connected with direct supply (1).
3. the pick-up unit of fire-fighting electric leakage detecting alarm according to claim 1 and 2, it is characterized in that: impulse current generator (3) has the pulsed current generator circuit that at least two triodes (3D, 3E) are formed.
4. the pick-up unit of fire-fighting electric leakage detecting alarm according to claim 3, it is characterized in that: the structure of impulse current generator (3) is, the emitter of the triode (2A) of current regulator (2) is connected respectively to the impedance resistance (3A) of impulse current generator (3), the centre tap of the coil winding of coil transformer (3B), the centre tap of the winding of the other end connecting coil transformer (3C) of impedance resistance (3A), coil transformer (3B, 3C) shared same iron core, coil transformer (3B) winding two ends are connected respectively to triode (3D, collector 3E), coil transformer (3C) winding two ends are connected respectively to triode (3D, base stage 3E), triode (3D, emitter 3E) is connected to a side joint terminal of the connection terminal (4A) of detection port (4) simultaneously.
5. the pick-up unit of fire-fighting electric leakage detecting alarm according to claim 3 is characterized in that: 4 triodes of impulse current generator (3) are in parallel mutually in twos.
6. the pick-up unit of fire-fighting electric leakage detecting alarm according to claim 3, it is characterized in that: power switch (1B) end of direct supply (1) is connected with the positive pole of dc-battery (1A), the positive pole of the other end and LED power light (1C), one side stiff end of the potentiometer (2B) of current regulator (2), the collector of triode (2A) is connected, be power switch (1B), LED power light (1C), potentiometer (2B), triode (2A) forms the π type and connects, and the negative pole of LED power light (1C) is connected with impedance resistance (1D), the adjustable end of potentiometer (2B) is connected with the base stage of triode (2A) and another stiff end is connected with impedance resistance (2C), the emitter of triode (2A) is connected respectively to the impedance resistance (3A) of impulse current generator (3), the centre tap of the coil winding of coil transformer (3B), the centre tap of the winding of the other end connecting coil transformer (3C) of impedance resistance (3A), coil transformer (3B, 3C) shared same iron core, coil transformer (3B) winding two ends are connected respectively to triode (3D, collector 3E), coil transformer (3C) winding two ends are connected respectively to triode (3D, base stage 3E), triode (3D, emitter 3E) is connected to a side joint terminal of the connection terminal (4A) of detection port (4) simultaneously, the opposite side binding post of connection terminal (4A) is connected with reometer (4B) is anodal, and reometer (4B) negative pole is together with impedance resistance (2C) other end, impedance resistance (1D) other end is connected to the negative pole of dc-battery (1A) in the lump.
7. the pick-up unit of fire-fighting electric leakage detecting alarm according to claim 3, it is characterized in that: power switch (1B) end of direct supply (1) is connected with dc-battery (1A) is anodal, the positive pole of the other end and LED power light (1C), one side stiff end of the potentiometer (2B) of current regulator (2), the collector of triode (2A) is connected, be power switch (1B), LED power light (1C), potentiometer (2B), triode (2A) forms the π type and connects, and the negative pole of LED power light (1C) is connected with impedance resistance (1D), the adjustable end of potentiometer (2B) is connected with the base stage of triode (2A) and another stiff end is connected with impedance resistance (2C), the emitter of triode (2A) respectively with the impedance resistance (3A) of impulse current generator (3), the centre tap of the coil winding of coil transformer (3B), the impedance resistance (5A) of autoscope (5) connects, the centre tap of the coil of impedance resistance (3A) other end connecting coil transformer (3C), coil transformer (3B, 3C) shared same iron core, the winding two ends of coil transformer (3B) connect triode (3D respectively, 3E, 3F, collector 3G), the coil winding two ends of coil transformer (3C) then respectively with triode (3D, 3E, 3F, base stage 3G) connects, triode (3D, 3E, 3F, emitter 3G) then is connected to a side joint terminal of the connection terminal (4A) of detection port (4) simultaneously, 4 triode (3D, 3E, 3F, 3G) in parallel mutually in twos, the opposite side binding post of connection terminal (4A) is connected with reometer (4B) is anodal, the both sides binding post of connection terminal (4A) connects the both sides of self check linked switch (5B) respectively, reometer (4B) negative pole is together with impedance resistance (2C) other end, impedance resistance (1D) other end is connected to the negative pole of dc-battery (1A) in the lump, impedance resistance (5A) other end connects self check linked switch (5B) and LED self check pilot lamp (5C) forms series connection, the negative pole of LED self check pilot lamp (5C) connects the negative pole of dc-battery (1A), and the alternation dc charger (6A) of dc charger (6) is connected with the dc-battery (1A) of direct supply (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205375805U CN201926752U (en) | 2010-09-17 | 2010-09-17 | Detection device for electric leakage detection alarm of electric fire control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205375805U CN201926752U (en) | 2010-09-17 | 2010-09-17 | Detection device for electric leakage detection alarm of electric fire control |
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| CN201926752U true CN201926752U (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205375805U Expired - Lifetime CN201926752U (en) | 2010-09-17 | 2010-09-17 | Detection device for electric leakage detection alarm of electric fire control |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614629A (en) * | 2015-01-19 | 2015-05-13 | 国家电网公司 | Grounding detection discrimination circuit |
| CN106291425A (en) * | 2016-07-27 | 2017-01-04 | 河北秦汉电子科技有限公司 | The determination method of the ac frequency of electromagnetic valve work condition checkout gear output |
| CN110401054A (en) * | 2019-07-19 | 2019-11-01 | 浪潮电子信息产业股份有限公司 | A kind of connector with normotopia degree detection function |
| CN113009402A (en) * | 2021-02-26 | 2021-06-22 | 国网湖南省电力有限公司 | Calibration method, calibration device and calibration system for arc suppression coil measurement and control system |
-
2010
- 2010-09-17 CN CN2010205375805U patent/CN201926752U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104614629A (en) * | 2015-01-19 | 2015-05-13 | 国家电网公司 | Grounding detection discrimination circuit |
| CN106291425A (en) * | 2016-07-27 | 2017-01-04 | 河北秦汉电子科技有限公司 | The determination method of the ac frequency of electromagnetic valve work condition checkout gear output |
| CN106291425B (en) * | 2016-07-27 | 2019-02-19 | 河北秦汉电子科技有限公司 | The determination method of the ac frequency of electromagnetic valve work condition checkout gear output |
| CN110401054A (en) * | 2019-07-19 | 2019-11-01 | 浪潮电子信息产业股份有限公司 | A kind of connector with normotopia degree detection function |
| CN113009402A (en) * | 2021-02-26 | 2021-06-22 | 国网湖南省电力有限公司 | Calibration method, calibration device and calibration system for arc suppression coil measurement and control system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |
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| CX01 | Expiry of patent term |