CN205208437U - Warning lamp of area protection - Google Patents
Warning lamp of area protection Download PDFInfo
- Publication number
- CN205208437U CN205208437U CN201520937275.8U CN201520937275U CN205208437U CN 205208437 U CN205208437 U CN 205208437U CN 201520937275 U CN201520937275 U CN 201520937275U CN 205208437 U CN205208437 U CN 205208437U
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- CN
- China
- Prior art keywords
- warning lamp
- resistance
- humidity
- unit
- protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Emergency Alarm Devices (AREA)
Abstract
The utility model discloses a warning lamp of area protection, including base, the translucent cover body, illuminating part and display part, the internal portion of translucent cover is provided with moisture detection circuit, moisture detection circuit includes the benchmark unit for provide a reference voltage, sampling unit, the internal portion's humidity of sampling translucent cover provides a sample voltage, comparing element is coupled in benchmark unit and sampling unit to relatively executive signal when sample voltage is greater than reference voltage, is exported to reference voltage and sample voltage's size, execution unit is coupled in comparing element, when receiving executive signal, and the output warning signal, report an emergency and ask for help or increased vigilance the unit, when receiving the warning signal, remind user's humidity unusual. Rise when the internal humidity of translucent cover, executive signal will the output control reports an emergency and asks for help or increased vigilance the module and reminds user's humidity unusual, and the user can in time can handle in order to prevent the inner member short circuit according to this circumstances.
Description
Technical field
The utility model relates to a kind of caution device, is used for automobile top and plays alarming effect, and more particularly, it relates to a kind of warning lamp with protection.
Background technology
Warning lamp is generally used in and safeguards road safety, normally be used in the exploitations such as Jing Che ﹑ engineering truck, the urgent A/S car of Xiao Fang Che ﹑ Ji Jiu Che ﹑ protection management Che ﹑ road maintenance Che ﹑ Qian Yin Che ﹑, plant equipment, machinery, electric power, lathe, chemical industry, telecommunication, boats and ships, control gold etc. and do the effects such as control signal interlocking in electric control circuit.Generally, warning lamp can provide the product of various length by car type and use, and have the structure of lampshade composite, when needing, the lampshade of an edge direction can combine composite coloured.Warning lamp is installed resemblance and can be divided into: combination lightbar, combination turriform warning lamp, small-sized all kinds of warning lamps etc., and combine lightbar because of applied widely, alarming effect is significantly and by more application, at present, lightbar comparatively common on market, include pedestal, transparent cover, display part and illuminating part, display part comprises symmetrically arranged two LED displays, each LED screen comprises some LED lamp bead, LED lamp bead arranges to show word content in the matrix form, two LED screen are towards the opposite, content shown by LED screen can be seen to make the people before and after car body, and the fixed form of LED screen is the stator at right angles arranged by least two pieces, fixed by the pcb board at screw thread and LED screen place, the other end and the pedestal of stator are fixed, make LED screen vertical with automobile end face, and LED screen carries out by control circuit the word or the figure that control display needs, circuit is also connected to a USB interface, cover body outside is exposed by the via hole that a translucent cover is arranged by a USB line, then the program by presetting carries out programming, illuminating part is arranged on the two ends of display part, and for playing warning function, each illuminating part comprises at least two pieces equally back to the luminous plaque arranged, and warning function is played in luminous plaque flicker, and the people before and after lampshade can be seen accurately.
General display part and illuminating part are all by external power source, transparent cover is passed by a cable, be connected to the power supply of automotive interior, but in use find a problem, divide easily to exist occur leaking water problem, because this part is in order to ensure that cable is not worn, so leave certain allowance because cable passes transparent cover and perforated connection, but the existence in this gap can make interior humidity increase, and causes the generation of short circuit phenomenon.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is a kind of warning lamp providing a kind of automatic detection transparent cover interior humidity.
For achieving the above object, the utility model provides following technical scheme: a kind of warning lamp with protection, comprise pedestal, transparent cover, illuminating part and display part, it is characterized in that, described transparent cover inside is provided with humidity measuring circuit, described humidity measuring circuit comprises reference cell, for providing a reference voltage; Sampling unit, sampling transparent cover interior humidity also provides a sampled voltage; Comparing unit, is coupled to reference cell and sampling unit, and the size of benchmark voltage and sampled voltage, when sampled voltage is greater than reference voltage, export executive signal; Performance element, is coupled to comparing unit, when receiving executive signal, and outputting alarm signal; Alarm Unit, when receiving alarm signal, reminds user's humidity abnormal.
Further: described reference cell comprises the first resistance, the second resistance and the 3rd resistance that are arranged in series successively, and the node that described first resistance and the second resistance couple provides described reference voltage.
Further: described sampling unit is configured to humidity sensor.
Further: described sampling unit comprises the 4th resistance and the humistor be arranged in series, the node that described 4th resistance and humistor couple provides sampled voltage.
Further: described comparing unit is configured to comparator, the negative input end of described comparator receives reference voltage, and its positive input terminal receives sampled voltage.
Further: described Alarm Unit comprises a buzzer, when receiving alarm signal, described buzzer work.
Further: described Alarm Unit comprises a multivibrator, when receiving alarm signal, described multivibrator sends one and drives illuminating part discontinuous operation.
Further: described Alarm Unit comprises a register, when receiving alarm signal, described register sends a predetermined order and shows a preset field to memory to make display part.
By adopting technique scheme, by the design of humidity measuring circuit, under normal circumstances, the reference voltage that sampling unit samples is greater than sampled voltage, so comparing unit can not export executive signal control alarm module prompting user humidity extremely, if and transparent cover humidity raises, executive signal will export and control alarm module and remind user humidity abnormal, and user can be able to process to prevent inner member short circuit according to this situation in time.
Accompanying drawing explanation
Fig. 1 is the structural representation of warning lamp;
Fig. 2 is testing circuit schematic diagram;
Fig. 3 is Alarm Unit First Principle figure in embodiment;
Fig. 4 is warning circuit second schematic diagram in embodiment;
Fig. 5 is warning circuit the 3rd schematic diagram in embodiment.
Reference numeral: 1, pedestal; 2, transparent cover; 3, display part; 4, illuminating part; 11a, reference cell; 12a, sampling unit; 13a, comparing unit; 14a, performance element; 2a, Alarm Unit.
Detailed description of the invention
Referring to figs. 1 through Fig. 5, the utility model embodiment is described further.
With reference to shown in Fig. 1, a kind of warning lamp with protection, comprises pedestal 1, transparent cover 2, illuminating part 4 and display part 3, described transparent cover 2 inside is provided with humidity measuring circuit, with reference to shown in Fig. 2, described humidity measuring circuit comprises reference cell 11a, for providing a reference voltage; Sampling unit 12a, sampling transparent cover 2 interior humidity also provides a sampled voltage; Comparing unit 13a, is coupled to reference cell 11a and sampling unit 12a, and the size of benchmark voltage and sampled voltage, when sampled voltage is greater than reference voltage, export executive signal; Performance element 14a, is coupled to comparing unit 13a, when receiving executive signal, and outputting alarm signal; Alarm Unit 2a, when receiving alarm signal, reminds user's humidity abnormal.Described reference cell 11a comprises the first resistance R1, the second resistance R2 and the 3rd resistance R3 that are arranged in series successively, and the node that described first resistance R1 and the second resistance R2 couples provides described reference voltage.Described sampling unit 12a is configured to humidity sensor.First resistance R1 resistance is preferably 300 ohm, and the second resistance R2 resistance is set to 470 ohm, and the 3rd resistance R3 is set to adjustable resistance, and its maximum value is set to 1000 ohm.
Described sampling unit 12a comprises the 4th resistance R4 and humistor CP1 be arranged in series, and the node that described 4th resistance R4 and humistor CP1 couples provides sampled voltage.Described comparing unit 13a is configured to comparator, and the negative input end of described comparator receives reference voltage, and its positive input terminal receives sampled voltage.4th resistance R4 resistance is set to 100 ohm, and described humistor CP1 is set to positive humidity coefficient humistor CP1.The output of comparator is connected to a relay by a NPN pipe Q1, and when comparator exports high level, described relay obtains electric.
With reference to shown in Fig. 3, in one embodiment, described Alarm Unit 2a comprises a buzzer SP, and when receiving alarm signal, described buzzer SP works.When relay coil obtains electric, the relay contact closure of its correspondence, makes diode D1 conducting, and corresponding NPN pipe Q1 makes buzzer SP work.
With reference to shown in Fig. 4, in another embodiment, described Alarm Unit 2a comprises a multivibrator, and when receiving alarm signal, described multivibrator sends one and drives illuminating part 4 discontinuous operation.Multivibrator is made up of 555 chips, and equally by multivibrator, outputting oscillation signal carries out controls illuminating part 4 and works, and can regulate its frequency of oscillation by adjustment R7, ensure that to distinguish with the work of illuminating part 4 under normal circumstances.
With reference to shown in Fig. 5, in another embodiment, described Alarm Unit 2a comprises a register, and when receiving alarm signal, described register sends a predetermined order and shows a preset field to memory to make display part 3.Register calls memory inside corresponding data by a pre-set commands, and such as needing to show in " humidity abnormal " memory can a preset corresponding field, and is called by unique command, and method of calling and method are known technology, and therefore not to repeat here.
The above is only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. the warning lamp with protection, comprises pedestal, transparent cover, illuminating part and display part, it is characterized in that, described transparent cover inside is provided with humidity measuring circuit, and described humidity measuring circuit comprises
Reference cell, for providing a reference voltage;
Sampling unit, sampling transparent cover interior humidity also provides a sampled voltage;
Comparing unit, is coupled to reference cell and sampling unit, and the size of benchmark voltage and sampled voltage, when sampled voltage is greater than reference voltage, export executive signal;
Performance element, is coupled to comparing unit, when receiving executive signal, and outputting alarm signal;
Alarm Unit, when receiving alarm signal, reminds user's humidity abnormal.
2. a kind of warning lamp with protection as claimed in claim 1, is characterized in that: described reference cell comprises the first resistance, the second resistance and the 3rd resistance that are arranged in series successively, and the node that described first resistance and the second resistance couple provides described reference voltage.
3. a kind of warning lamp with protection as claimed in claim 1, is characterized in that: described sampling unit is configured to humidity sensor.
4. a kind of warning lamp with protection as claimed in claim 1, is characterized in that: described sampling unit comprises the 4th resistance and the humistor be arranged in series, and the node that described 4th resistance and humistor couple provides sampled voltage.
5. a kind of warning lamp with protection as claimed in claim 1, is characterized in that: described comparing unit is configured to comparator, and the negative input end of described comparator receives reference voltage, and its positive input terminal receives sampled voltage.
6. a kind of warning lamp with protection as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described Alarm Unit comprises a buzzer, when receiving alarm signal, and described buzzer work.
7. a kind of warning lamp with protection as claimed in claim 1 or 2 or 3 or 4, is characterized in that: described Alarm Unit comprises a multivibrator, and when receiving alarm signal, described multivibrator sends one and drives illuminating part discontinuous operation.
8. a kind of warning lamp with protection as claimed in claim 1 or 2 or 3 or 4, it is characterized in that: described Alarm Unit comprises a register, when receiving alarm signal, described register sends a predetermined order and shows a preset field to memory to make display part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520937275.8U CN205208437U (en) | 2015-11-23 | 2015-11-23 | Warning lamp of area protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520937275.8U CN205208437U (en) | 2015-11-23 | 2015-11-23 | Warning lamp of area protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205208437U true CN205208437U (en) | 2016-05-04 |
Family
ID=55846154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520937275.8U Expired - Fee Related CN205208437U (en) | 2015-11-23 | 2015-11-23 | Warning lamp of area protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205208437U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106600867A (en) * | 2017-02-28 | 2017-04-26 | 武汉百络优物联科技有限公司 | Door magnetic inductor |
| WO2019024761A1 (en) * | 2017-07-31 | 2019-02-07 | 广州市浩洋电子股份有限公司 | Stage lamp humidity monitoring and alerting system |
-
2015
- 2015-11-23 CN CN201520937275.8U patent/CN205208437U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106600867A (en) * | 2017-02-28 | 2017-04-26 | 武汉百络优物联科技有限公司 | Door magnetic inductor |
| WO2019024761A1 (en) * | 2017-07-31 | 2019-02-07 | 广州市浩洋电子股份有限公司 | Stage lamp humidity monitoring and alerting system |
| US11143392B2 (en) | 2017-07-31 | 2021-10-12 | Guangzhou Haoyang Electronic Co., Ltd (Cn) | Humidity alarm monitoring system for stage light |
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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: 20160504 Termination date: 20181123 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |