CN202204899U - Fire prevention detecting instrument - Google Patents
Fire prevention detecting instrument Download PDFInfo
- Publication number
- CN202204899U CN202204899U CN2011203306082U CN201120330608U CN202204899U CN 202204899 U CN202204899 U CN 202204899U CN 2011203306082 U CN2011203306082 U CN 2011203306082U CN 201120330608 U CN201120330608 U CN 201120330608U CN 202204899 U CN202204899 U CN 202204899U
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- detecting instrument
- housing
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- detector
- chip microcomputer
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Abstract
The utility model relates to a fire prevention detecting instrument, which aims to solve the problem of the fire accidents resulted from that both electrical equipment and line equipment with fire accident hazards can't be detected periodically and are not in the normal state. The utility model adopts the technical scheme that a detecting circuit is arranged in the housing and includes a single chip, wherein a DC resistance detecting instrument, a current detecting instrument, a leakage switch detecting instrument, an insulation resistance detecting instrument, a humidity and temperature sensor and an SD storage card are arranged on the single chip; a cover plate is arranged on the housing; a first socket group communicated with the insulation resistance detecting instrument, a second socket group communicated with the DC resistance detecting instrument, a third socket group communicated with the leakage switch detecting instrument and a fourth socket group communicated with the current detecting instrument are arranged on the cover plate; a monitor and a keyboard are arranged on the cover plate; a storage battery is arranged in the housing; and a charging socket and a power switch are arranged on the housing. The fire prevention detecting instrument has a unique structure, and can periodically detect the electrical equipment and the line, so as to eliminate the fire accident hazards.
Description
One, technical field
The utility model relates to circuit checker, particularly a kind of fire prevention detector.
Two, background technology
Current; Because the fire failure that electrical equipment takes place frequently takes place, also occurred simultaneously various to the fire the condition of a disaster detect and the various device of reporting to the police for example the patent No. be that 200320122061.2 the electrical fire electric leakage detection alarm device and the patent No. are a kind of electrical intelligent fire disaster measure and control device of 201020531512.8, its fundamental purpose is that equipment breaks down or a kind of afterwards the remedying and warning device under the situation of dangerous situation taken place; Can send warning message in the initial stage that the condition of a disaster takes place; The prompting personnel in time withdraw and in time handle fire, and then avoid bigger loss, yet; This technology is a kind of simple remedial technique afterwards; In the process that reality is used, fire has taken place and reported to the police, can reduce because the loss that fire causes; But fail to propose a kind ofly can regularly carry out basic detection to equipment in advance; Thereby reach the equipment of obviate, yet usually be in actual use, so have only state regularly to detect various electrical equipments and line facility because the just various fire failures of appearance appear after the various hidden danger in electrical equipment and electric wiring; Retention wire pipeline equipment and electrical equipment are in the generation that normal condition can be avoided fire failure, and current various device is powerless to this.
Three, summary of the invention
To above-mentioned situation; For overcoming the defective of prior art; The purpose of the utility model just provides a kind of fire prevention detector; Can effectively solve for electrical equipment that has fire safety evaluating hidden danger and line facility and can't regularly detect, can not the retention wire pipeline equipment and electrical equipment be in the problem that normal condition is avoided the generation of fire failure.
The technical scheme of its solution is; Comprise housing; Testing circuit is arranged in the housing; Said testing circuit comprises single-chip microcomputer, is connected with direct current resistance detector, current detecting instrument, leakage switch detector, insulation resistance detector, wet temperature sensor and SD storage card on the single-chip microcomputer, and cover plate is housed on the housing; The first socket group that is communicated with the insulation resistance detector, the second socket group that is communicated with the direct current resistance detector, the 3rd socket group that is communicated with the leakage switch detector and the 4th socket that is communicated with current detecting instrument are arranged on the cover plate; The display and the keyboard that are communicated with single-chip microcomputer are arranged on the cover plate, the accumulator that is communicated with single-chip microcomputer is arranged in the housing, charging socket that links to each other with accumulator and the power switch that links to each other with testing circuit are arranged on the housing.
The utility model structure is unique, easy to use, can regularly detect the problem of eliminating disaster hidden-trouble to electrical equipment and circuit.
Four, description of drawings
Fig. 1 is the vertical view of the utility model.
Fig. 2 is the front view of the utility model.
Fig. 3 is the connection layout of each parts of the utility model testing circuit.
Five, embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done further explain.
Provide by Fig. 1 to Fig. 3; The utility model comprises housing; In the housing 1 testing circuit is arranged; Said testing circuit comprises single-chip microcomputer 2, is connected with direct current resistance detector 3, current detecting instrument 4, leakage switch detector 5, insulation resistance detector 6, wet temperature sensor 7 and SD storage card 8 on the single-chip microcomputer 2, and cover plate 9 is housed on the housing 1; The first socket group 10 that is communicated with insulation resistance detector 6, the second socket group 11 that is communicated with direct current resistance detector 3, the 3rd socket group 12 that is communicated with leakage switch detector 5 and the 4th socket 13 that is communicated with current detecting instrument 4 are arranged on the cover plate 9; The display 14 and keyboard 15 that are communicated with single-chip microcomputer 2 are arranged on the cover plate 9, the accumulator 16 that is communicated with single-chip microcomputer 2 is arranged in the housing 1, the charging socket 17 and the power switch that links to each other with testing circuit 18 that link to each other with accumulator 16 are arranged on the housing 1.
On said housing 1 lateral surface handle 19 is arranged, improve the portability of the utility model.
On said housing 1 back side panel SD port 20 that is communicated with single-chip microcomputer is arranged, SD storage card 8 is communicated with single-chip microcomputer 2 through SD port 20.
The model of said direct current resistance detector 3 is HT-40A; The model of current detecting instrument 4 is TH2689; The model of leakage switch detector 5 is UT581-582; The model of insulation resistance detector 6 is UT501-502, and the model of single-chip microcomputer 2 is C8051F020, and the model of wet temperature sensor 7 is SHT01.
The operating position of the utility model is the DA function of single-chip microcomputer 2 through carrying, output simulating signal; Connect the positive input terminal of operational amplifier (model OP196) input; The output of operational amplifier OP196 drives FET, and the negative input end of operational amplifier connects the leakage current sampling resistor, realizes negative feedback; Single-chip microcomputer 2 is controlled the electric current of leakage switch through the size of regulating output; Detect earth leakage circuit-breaker simultaneously and whether trip, the record trip time in tripping operation, reach the purpose that earth leakage circuit-breaker detects.
Current detecting instrument 4 is sampled as voltage signal through the clamp on amperemeter in it with current signal; Follow back input electric energy computation chip (model ADE7753) through one-level; By the conversion of electric energy computation chip completion real effective, single-chip microcomputer 2 is through the detection that realizes electric current of reading to electric energy computation chip.
Direct current resistance detector 3 is by the electric current of the generation of the constant current source in it 10mA, and measured resistance is linked into the output terminal of constant current source, and the voltage of gathering the constant current source output terminal can calculate the resistance value of the reality of measured resistance through Ohm law.
Data storage partly adopts mass data storage card SD card; Can print various report datas with the test data preservation and through software processes; In time find and handle equipment and the circuit that has fault; Stop because the fire that electrical equipment and line fault cause, reach the purpose of fire primary prevention.
The utility model can detect various leakage switch; A plurality of projects such as current carrying capacity of conductor, insulation resistance, various switch temperature, environment temperature; And adopted the mass data storage technology, and solved original scene and need carry multiple checkout equipment various electrical equipments and electric appliance circuits, can't carry out the difficult problem that data are preserved automatically; Effectively prevented because the fire failure that various electrical equipments and electrical circuit fault produce; Improve the efficient of Equipment Inspection, reduced Equipment Inspection personnel's labour intensity, practiced thrift social resources greatly.
Claims (3)
1. fire prevention detector; Comprise housing; It is characterized in that; Housing has testing circuit in (1); Said testing circuit comprises single-chip microcomputer (2), is connected with direct current resistance detector (3), current detecting instrument (4), leakage switch detector (5), insulation resistance detector (6), wet temperature sensor (7) and SD storage card (8) on the single-chip microcomputer (2), and cover plate (9) is housed on the housing (1); The 4th socket (13) that the first socket group (10) that is communicated with insulation resistance detector (6), the second socket group (11) that is communicated with direct current resistance detector (3), the 3rd socket group (12) that is communicated with leakage switch detector (5) is arranged on the cover plate (9) and be communicated with current detecting instrument (4); The display (14) and the keyboard (15) that are communicated with single-chip microcomputer (2) are arranged on the cover plate (9), the accumulator (16) that is communicated with single-chip microcomputer (2) is arranged in the housing (1), charging socket (17) that links to each other with accumulator (16) and the power switch that links to each other with testing circuit (18) are arranged on the housing (1).
2. fire prevention detector according to claim 1 is characterized in that, on said housing (1) lateral surface handle (19) is arranged.
3. fire prevention detector according to claim 1 is characterized in that, the SD port (20) that is communicated with single-chip microcomputer is arranged on said housing (1) back side panel, and SD storage card (8) is communicated with single-chip microcomputer (2) through SD port (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203306082U CN202204899U (en) | 2011-09-06 | 2011-09-06 | Fire prevention detecting instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203306082U CN202204899U (en) | 2011-09-06 | 2011-09-06 | Fire prevention detecting instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202204899U true CN202204899U (en) | 2012-04-25 |
Family
ID=45969017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203306082U Expired - Fee Related CN202204899U (en) | 2011-09-06 | 2011-09-06 | Fire prevention detecting instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202204899U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166056A (en) * | 2014-07-17 | 2014-11-26 | 公安部四川消防研究所 | Electrical fire hazard apparatus for direct-current power supply electric line and realization method thereof |
| CN114566366A (en) * | 2022-04-29 | 2022-05-31 | 广东力王高新科技股份有限公司 | Transformer applied to new energy charging |
-
2011
- 2011-09-06 CN CN2011203306082U patent/CN202204899U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104166056A (en) * | 2014-07-17 | 2014-11-26 | 公安部四川消防研究所 | Electrical fire hazard apparatus for direct-current power supply electric line and realization method thereof |
| CN104166056B (en) * | 2014-07-17 | 2018-12-28 | 公安部四川消防研究所 | A kind of electrical fire risk device of DC power supply electricity consumption route and implementation method |
| CN114566366A (en) * | 2022-04-29 | 2022-05-31 | 广东力王高新科技股份有限公司 | Transformer applied to new energy charging |
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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 |
Granted publication date: 20120425 Termination date: 20140906 |
|
| EXPY | Termination of patent right or utility model |