CN202267542U - Temperature monitoring alarm of high voltage electric apparatus - Google Patents
Temperature monitoring alarm of high voltage electric apparatus Download PDFInfo
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- CN202267542U CN202267542U CN2011203322085U CN201120332208U CN202267542U CN 202267542 U CN202267542 U CN 202267542U CN 2011203322085 U CN2011203322085 U CN 2011203322085U CN 201120332208 U CN201120332208 U CN 201120332208U CN 202267542 U CN202267542 U CN 202267542U
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- alarming
- temperature
- monitoring alarm
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Abstract
The utility model discloses a temperature monitoring alarm of a high voltage electric apparatus, which comprises a casing, a heat insulation layer and a power frequency magnetic field shielding layer are installed on the inner layer of the casing, an acousto-optical alarming circuit board is installed in the casing, a temperature sensor is connected with the acousto-optical alarming circuit board, an external heat insulation board is installed at the bottom outside the casing, a single chip microcomputer chip and radiating fins are installed on the acousto-optical alarming circuit board, the single chip microcomputer chip is electrically connected with an electronic horn, an electronic bulb and a button lithium battery, a hole used for containing the temperature sensor is arranged on the external heat insulation board, and a transparent rainproof cover is arranged outside the casing. When the temperature reaches the set temperature, the acousto-optical alarming circuit board is started through program to send out acousto-optical alarming, the flashing alarming enables touring personnel to see the alarming position easily, the acoustical alarming successfully achieves detection alarming for invisible parts, detected equipment range is expanded, and heating potential hazards caused by no touring or leaking of touring are avoided. The temperature monitoring alarm is capable of warning workers at the first time to enable the workers to find the heating point, and accident ratio and power failure ratio are reduced.
Description
Technical field
The utility model relates to a kind of High-Voltage Electrical Appliances, relates in particular to a kind of high-voltage electrical equipment temperature monitoring alarm.
Background technology
The main method of detected temperatures
The main method of measuring the high-voltage electrical equipment temperature at present has: thermoinduction variable color, thermal resistance sensor thermometric, pressure-temperature sensor thermometric, infrared measurement of temperature, Fibre Optical Sensor thermometric.
1. the method for thermoinduction thermochromic exists shortcoming to be: can only visual thermometric, and no light audible alarm.
2. the method for thermal resistance sensor thermometric exists shortcoming to be: inner circuit and device can receive electromagnetic interference (EMI), and the outside can receive heat conduction and high-tension influence, and the method will well address these problems and could use.
3. the shortcoming that exists of the method for pressure-temperature sensor thermometric is: internal high pressure gas and liquid leak easily, reach 100% and not leak prior art and be difficult to accomplish that there is birth defect in the method.
4. the shortcoming that exists of the method for infrared measurement of temperature is: can only visual thermometric, and disturbed and the restriction of installation site by environment temperature.
5. the shortcoming of the method for Fibre Optical Sensor thermometric existence is: cost is high, needs auxiliary equipment, and installment work is loaded down with trivial details.
Generating plant and transformer station and the indoor high-voltage electrical equipment of other high voltage power distribution; Connecting portion between them is because long-term vibration or other reason are easy to cause connection not tight; Contact resistance increases generation heating or discharge flashover phenomenon; The generate heat normal operation of the equipment that can have influence on when serious, the power failure repairing can cause the power failure of inoperative property to stop production.Greatly reduce the prestige of power supply unit, the user causes tremendous loss to electricity consumption.
As long as the discovery that the accident potential of heating can be early like this just can not cause damage, and there is above defective in existing method, develops a kind of more scientific and effective monitoring method and utensil and is inevitable.
The temperature detection type of alarm of high-voltage electrical equipment is divided into, alarm computer and report to the police two kinds on the spot, and its purpose has only one, is exactly in the very first time, to find heating hidden danger.Remove human factor, as long as can send warning accurately and reliably, effectively warn the staff, whether online meaning be unimportant in fact, and product economical and practical under the situation of dependable performance is only the most suitable.
The utility model content
The purpose of the utility model is exactly in order to address the above problem a kind of high-voltage electrical equipment temperature monitoring alarm to be provided, it have safe, sensitivity reliable, strong interference immunity, low, the convenient installation of cost.
To achieve these goals, the utility model adopts following technical scheme:
A kind of high-voltage electrical equipment temperature monitoring alarm; It comprises shell, and the shell internal layer is equipped with thermofin, power frequency magnetic field screen layer, and the sound light alarming circuit plate is installed in the shell; Temperature sensor be connected at the sound light alarming circuit plate, the outer bottom of shell is equipped with end baffle plate.
Singlechip chip, heat radiator are housed on the sound light alarming circuit plate, and singlechip chip is connected with electronic horn, electronics bulb, button lithium battery.
End baffle plate is provided with the hole that can hold temperature sensor.
Housing exterior is provided with transparent rain cover.
The utility model principle adopts plane contact formula temperature sensor directly to contact with the position that electric equipment need detect; When temperature reaches design temperature; Temperature sensor is passed to chip with signal, and the program start sound light alarming circuit sends sound and light alarm, can warn the staff and accurately find heat generating spot in the very first time; Shell adopts high-temperature insulation material, in establish low frequency magnetic field screen layer, thermofin and heat radiator.
The structure of alarm mainly comprises geometrical clamp, shell, thermal insulation board, power frequency magnetic field barricade, temperature sensor, sound light alarming circuit plate, heat radiator, eight part compositions of transparent rain cover.
The self problem that this utility model need solve
1, need of work self insulation on high-tension apparatus.
2, prevent that body case of annunciator receives heat conduction that internal temperature is raise.
3, prevent of the interference of the power frequency magnetic field of high-tension apparatus generation to electronic circuit.
Geometrical clamp: the detection alarm device is fixed on position that equipment is surveyed; According to the shape at survey position and lay the difference of space size; The width of scalable geometrical clamp and highly be convenient to lay; Geometrical clamp will directly contact with heating position, so adopt resistant to elevated temperatures insulating material polyimide (PI) mold pressing to process.
Shell: lay the housing of thermal insulation board, power frequency magnetic field barricade, temperature sensor, sound light alarming circuit plate, heat radiator, housing adopts polyimide (PI) (reaching the C class B insulation) mold pressing to process (comprising fixed screw) equally, has solved above-mentioned self Insulation Problems.
Thermal insulation board: have very strong heat insulating function; Reduce the heat conduction of heating position to body case of annunciator; Maintenance alarm internal temperature can be not too high; The double thermal insulation mode is adopted in the bottom, and the insulating material of the heat sinking function of heat radiator and shell also has certain heat-insulating capability in addition, has solved above-mentioned internal temperature rise problem.
The power frequency magnetic field barricade: shield electromagnetic guarantees that to the interference of circuit board sound and light alarm reliably sends.Around the high-tension apparatus energized conductor, can produce some magnetic fields, these power frequency magnetic field can produce electromagnetic signal on every side and disturb, and the power frequency magnetic field barricade can effectively stop the interference of power frequency magnetic field to circuit, thereby have solved the problem that power frequency magnetic field disturbs.
Temperature sensor: the measuring sensor of alarm (LM35) sends the temperature signal of being surveyed to singlechip chip.
The sound light alarming circuit plate: the executive component of alarm, circuit sends sound equipment and flash of light after connecting, and the sound light alarming circuit plate member mainly comprises: singlechip chip, electronic horn, electronics bulb, button lithium battery etc.
Singlechip chip (90S1200) is the command system of whole alarm, and its accomplish to judge, open newspaper, delay time, stop work such as newspaper.
The high power capacity electric energy of button lithium battery was not being guaranteed standby two to three years under the alarm condition, when equipment prophylactic repair and processing hidden danger and other power failure chance, changed battery.
Heat radiator: the alarm internal temperature of sealing is come out, and the protection electronic component can not damage because internal temperature is too high.Though taked the insulation provision for thermal insulation, if the heating phenomenon can not in time be handled, heat radiator will play the effect of internal cooling.
Transparent rain cover: when outdoor application, installing this cover additional can rainproof protection against the tide.Adopt thermostable transparent PET insulating trip to process, safe and reliable.
Above-mentioned required material and parts have been proven technique and product now, and of a great variety, and quality is high, and bigger selection space is arranged.
The beneficial effect of the utility model:
The utility model has solved existing method and has only seen the shortcoming that could find; Solved the heating hidden danger that the staff causes because of not patrolling or leak the equipment of patrolling; Do not patrol or leak the staff who patrols through sound equipment caution; Flashing light alarm is easier to let the tour personnel see alert locations, has improved discovery rate greatly.Audible alarm has successfully realized detection alarm for invisible position, has enlarged the detected device range of ability, has reduced cost input and installation difficulty, is convenient to extensively promote the use of, and accident rate and outage rate have reduced, and the economic effect of generation is conspicuous.
Description of drawings
Fig. 1 is a structural representation;
Fig. 2 is a bottom end baffle plate synoptic diagram;
Fig. 3 is a basic circuit diagram.
Wherein, 1. shell, 2. thermofin, 3. power frequency magnetic field screen layer, 4. temperature sensor, 5. heat radiator, 6. pilot lamp, 7. electronic horn, 8. singlechip chip, 9. sound light alarming circuit plate, 10. lithium coin cells, 11. end baffle plates.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Shown in Fig. 1 .2, the environmental field that the utility model is suitable for: temperature :-20～120 ℃; Height above sea level: under the 1000m; Humidity :≤95%; WV: 4.5V; Power frequency magnetic field: be not the magnetic field of extra-heavy relatively; , other special environment (as: high height above sea level, low temperature, ultrastrong magnetic field) needs to change selection condition and safeguard procedures for requiring when working down.
In order to be placed to various places, the compact of thermometric alarm overall construction design, the long 60mm of profile, wide 40mm, high 20mm; Be provided with thermofin 2 and power frequency magnetic field screen layer 3 in the shell 1, temperature sensor 4 separates with sound light alarming circuit plate 9 to place to be convenient to heat insulationly, and the surface of contact of bottom has installed end baffle plate 11 additional; The bottom is double-deck thermal insulation, and heat radiator 5 and battery 10 are housed on the circuit board, and the pilot lamp 6 of setting different colours shows different temperature; For example: 60 ℃ in green light, 70 ℃ of amber lights, 90 ℃ of red lights, green light flash of light and send sound equipment when temperature reaches 60 ℃, amber light flash of light and send sound equipment when reaching 70 ℃; Red light flash of light and send sound equipment when reaching 90 ℃ recovers normally to stop light warning up to temperature, and audible alarm is to report to the police in 24 hours; Whenever at a distance from 15 minutes newspapers once, continue 30 seconds at every turn.
Sensor converts thermal signal into electric signal and is transferred to singlechip chip 8, and chip program starts warning system when temperature reaches setting value, pilot lamp 6 flashes of light, and loudspeaker 7 sound and time-delay, after temperature was recovered, warning automatically terminated.If temperature continues to rise to the upper limit, alert levels rises to red alarm.
Though the above-mentioned accompanying drawing that combines is described the embodiment of the utility model; But be not restriction to the utility model protection domain; One of ordinary skill in the art should be understood that; On the basis of the technical scheme of the utility model, those skilled in the art need not pay various modifications that creative work can make or distortion still in the protection domain of the utility model.
Claims (4)
1. high-voltage electrical equipment temperature monitoring alarm, it comprises shell, it is characterized in that; Said shell internal layer is equipped with thermofin, power frequency magnetic field screen layer; The sound light alarming circuit plate is installed in the shell, temperature sensor be connected at the sound light alarming circuit plate, the outer bottom of shell is equipped with end baffle plate.
2. high-voltage electrical equipment temperature monitoring alarm according to claim 1 is characterized in that on the said sound light alarming circuit plate singlechip chip, heat radiator are housed, singlechip chip is connected with electronic horn, electronics bulb, button lithium battery.
3. high-voltage electrical equipment temperature monitoring alarm according to claim 1 is characterized in that said end baffle plate is provided with the hole that can hold temperature sensor.
4. high-voltage electrical equipment temperature monitoring alarm according to claim 1 is characterized in that said housing exterior is provided with transparent rain cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203322085U CN202267542U (en) | 2011-09-06 | 2011-09-06 | Temperature monitoring alarm of high voltage electric apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203322085U CN202267542U (en) | 2011-09-06 | 2011-09-06 | Temperature monitoring alarm of high voltage electric apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202267542U true CN202267542U (en) | 2012-06-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203322085U Expired - Fee Related CN202267542U (en) | 2011-09-06 | 2011-09-06 | Temperature monitoring alarm of high voltage electric apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202267542U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512672A (en) * | 2013-09-30 | 2014-01-15 | 常熟市明阳电器安装工程有限公司 | Electric appliance temperature detector |
| CN105784142A (en) * | 2016-04-14 | 2016-07-20 | 吴胜男 | Electronic thermometer with thermal insulation layer |
| CN105784143A (en) * | 2016-05-09 | 2016-07-20 | 禹伟 | Detector for detecting temperature of UV light curing furnace |
| CN107830944A (en) * | 2017-11-30 | 2018-03-23 | 无锡艾立德智能科技有限公司 | A kind of stable passive wireless temperature sensor structure of heat-proof quality |
| CN109186771A (en) * | 2018-07-26 | 2019-01-11 | 郑州泰恩科技有限公司 | A kind of electric power on-line temperature monitoring infrared warning device |
| CN113465685A (en) * | 2021-08-24 | 2021-10-01 | 襄阳尚能电气有限公司 | Automatic detection system for industrial electric furnace |
-
2011
- 2011-09-06 CN CN2011203322085U patent/CN202267542U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103512672A (en) * | 2013-09-30 | 2014-01-15 | 常熟市明阳电器安装工程有限公司 | Electric appliance temperature detector |
| CN105784142A (en) * | 2016-04-14 | 2016-07-20 | 吴胜男 | Electronic thermometer with thermal insulation layer |
| CN105784143A (en) * | 2016-05-09 | 2016-07-20 | 禹伟 | Detector for detecting temperature of UV light curing furnace |
| CN107830944A (en) * | 2017-11-30 | 2018-03-23 | 无锡艾立德智能科技有限公司 | A kind of stable passive wireless temperature sensor structure of heat-proof quality |
| CN109186771A (en) * | 2018-07-26 | 2019-01-11 | 郑州泰恩科技有限公司 | A kind of electric power on-line temperature monitoring infrared warning device |
| CN113465685A (en) * | 2021-08-24 | 2021-10-01 | 襄阳尚能电气有限公司 | Automatic detection system for industrial electric furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120606 Termination date: 20120906 |