CN201188035Y - Overtemperature detection alarm device - Google Patents
Overtemperature detection alarm device Download PDFInfo
- Publication number
- CN201188035Y CN201188035Y CNU2008200562403U CN200820056240U CN201188035Y CN 201188035 Y CN201188035 Y CN 201188035Y CN U2008200562403 U CNU2008200562403 U CN U2008200562403U CN 200820056240 U CN200820056240 U CN 200820056240U CN 201188035 Y CN201188035 Y CN 201188035Y
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- Prior art keywords
- alarm
- temperature indicating
- switch
- insulation shell
- overtemperature detection
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Abstract
The utility model discloses an overtemperature detection alarm device. The protective device comprises an insulating shell body, a temperature indicating paraffin block, an alarm part and permanent magnets. One end of the insulating shell body is provided with an opening, and is of a cavity structure inside; the temperature indicating paraffin block is arranged at the opening; the alarm part comprises an alarm switch and an alarm, the alarm switch is arranged above the temperature indicating paraffin block, and the alarm is communicated with the alarm switch; the amount of the permanent magnets is two, and the permanent magnets are arranged by the way that the polarities are reverse, one permanent magnet is arranged in the temperature indicating paraffin block, and the other permanent magnet is arranged between the alarm switch and the alarm. The alarm device carries out accurate temperature measurement by the melting of the temperature indicating paraffin block, can cause the alarm switch to be touched by the attractive force for unlike charges of the two permanent magnets, and can carry out timely alarm by modes, such as sound, light, fragrance, and the like, thereby the overtemperature detection alarm device is convenient and reliable, not only reduces the labor intensity, but also avoids overtemperature to generate accidents.
Description
Technical field
The utility model relates to the temperature protective device of electric system, electric and plant equipment, more particularly, relates to a kind of overtemperature detection alarm device, and this warning device can carry out overtemperature and detect and in time report to the police.
Background technology
Various safety guards in electric system, electrical equipment and plant equipment, have all been adopted; as overload protection, overcurrent protection; overvoltage protection, open-phase protection, overtemperature prote, the high pressure devices such as guarantor that continue, it mainly acts on is the normal and safe operation that can protect its system and equipment.And temperature upper safety limit parameter is electric system, electrical equipment, the most direct, the most important data of plant equipment running status, also is the emphasis that equipment manager is paid close attention to the most.For example: the lead goddess of lightning arranges the connector temperature upper limit, the temperature of cable junction upper limit, the motor body temperature upper limit, motor front and back bearings upper temperature limit, transformer upper temperature limit, plug-in strip upper temperature limit, switch contact upper temperature limit, gear case upper temperature limit etc.These upper limit parameter normally guarantee the basis of various device safety, normal operation, also are whether one of major criterions of equipment state health.
Traditional detected temperatures upper safety limit parameter that is used for; and the temperature protective device that carries out the overtemperature prompting has a lot; for example; the patent No. is a kind of power-supply unit overtemperature alarm of ZL00240397.8; this alarm with the bimetallic strip temperature switch as temperature sensor; be serially connected in the closed loop circuit of connecting of battery and hummer, play switch.Its shortcoming is bimetallic strip must be close to the temperature detector surface, in case surface in contact is bad, easily cause the thermometric reaction slower, and the error of bimetallic strip thermometric is very big, causes accuracy rate relatively poor.The patent No. is a kind of overtemperature alarm of ZL86203224 and a kind of electrical equipment survey inspection overtemperature alarm that the patent No. is ZL97203638.5, having adopted thermoelectric change-over circuit and bridge-type thermometric sensing circuit to carry out thermometric respectively reports to the police, its disadvantage is foregoing circuit necessary consumed power when thermometric is worked, increased extra energy consumption, and volume is bigger, and inconvenience is installed.
Along with the appearance of new material temperature indicating wax, represented thermal property owing to it has to dissolve automatically and to come off, and be widely used in the accurate overtemperature detection that disconnecting link, busbar and motor etc. are located.Whether the patent No. is a kind of sheetlike temperature indicator of ZL00234513.7, has utilized this characteristic of temperature indicating wax exactly, be used to observe high voltage installation and generate heat.This sheetlike temperature indicator by temperature indicating wax is cast in permanent magnet above, the two is become one.During use, utilize the magnetic of permanent magnet, make permanent magnet and temperature indicating wax be adsorbed on the following or side (the top of measured object can't use) of measured object together.When the temperature of measured object rose to setting value, temperature indicating wax promptly was molten into liquid and comes off downwards, to point out this measured object the heating phenomenon is arranged.This sheetlike temperature indicator has safe and reliable, volume is little, advantages such as no energy consumption, but, because it does not have initiatively alarm, must by decide the people, regularly, fix a point to check whether temperature indicating wax comes off, not only increased labour intensity, and can't guarantee to know the overtemperature fault in the very first time, there is potential safety hazard, easily cause major accident; In addition, if point for measuring temperature be in the bad dark corners of light or be positioned at measured object above, not only increased the difficulty of manually checking, but also be subjected to the restriction of installation position.
The utility model content
Above-mentionedly can't initiatively report to the police, cause in time to arrange barrier, easily cause the accident and the circumscribed shortcoming in installation position at what exist in the prior art, the purpose of this utility model provides a kind of overtemperature detection alarm device, this warning device can carry out accurate overtemperature and detect also warning in time, avoids the generation of accident.
For achieving the above object, the utility model adopts following technical scheme:
This overtemperature detection alarm device comprises insulation shell, temperature indicating wax stone, warning piece and permanent magnet, insulation shell one end opening, and inside is cavity structure; The temperature indicating wax stone is located at opening part, and is connected and fixed with the insulation shell inwall; Warning piece comprises alarm switch and alarm, and alarm switch is located in the insulation shell, and is positioned at temperature indicating wax stone top, and alarm is located at the alarm switch top, and is connected conducting with alarm switch; Permanent magnet is opposite two of being provided with of polarity, and one is fixed at temperature indicating wax stone inside, and another is fixed between alarm switch and the alarm.
Described alarm switch comprises elastic copper sheet and copper foil plate, two interlaced and insulation settings of elastic copper sheet, and an end is connected and fixed with copper foil plate respectively.
Described alarm comprises voice guard, luminous alarm and battery, the conducting that is connected with battery respectively of voice guard and luminous alarm.
Described temperature indicating wax stone inner also savory wax of sealed envelope or flavouring agent.
Have chimes of doom sound hole and fragrance divergence hole on the described insulation shell.
The opening part of described insulation shell also is connected with the insulating bolt cover.
In technique scheme, overtemperature detection alarm device of the present utility model comprises insulation shell, temperature indicating wax stone, warning piece and permanent magnet, insulation shell one end opening, and inside is cavity structure; The temperature indicating wax stone is located at opening part; Warning piece comprises alarm switch and alarm, and alarm switch is located at temperature indicating wax stone top, and alarm is connected conducting with alarm switch; Permanent magnet is opposite two of being provided with of polarity, is located at temperature indicating wax stone inside for one, and another is located between alarm switch and the alarm.This warning device is by the next accurate thermometric of dissolving of temperature indicating wax stone, and by two permanent magnets there is a natural attraction between the sexes touches alarm switch, and in time report to the police by modes such as sound, light and fragrance, very convenient reliable, not only reduced labour intensity but also avoid overtemperature and have an accident.
Description of drawings
Fig. 1 is structure and a kind of application state synoptic diagram of overtemperature detection alarm device of the present utility model;
Fig. 2 is the upward view of the alarm switch of warning device of the present utility model;
Fig. 3 is the warning circuit structural representation of warning device of the present utility model;
Fig. 4 is the another kind of application state synoptic diagram of warning device of the present utility model.
Embodiment
Further specify the technical solution of the utility model below in conjunction with drawings and Examples.
See also shown in Figure 1ly, overtemperature detection alarm device 10 of the present utility model comprises insulation shell 11, temperature indicating wax stone 12, warning piece 14 and permanent magnet 15a, 15b, insulation shell 11 1 end openings, and inside is cavity structure; Temperature indicating wax stone 12 is located at opening part, and be connected and fixed with insulation shell 11 inwalls, need to prove at this, this temperature indicating wax stone 12 is solid-state, and can make temperature indicating wax stone 12 according to the safe temperature upper limit that is detected with different melting temperatures, be generally 50 ℃, 55 ℃, 60 ℃, 65 ℃, 70 ℃, 80 ℃, 90 ℃, 100 ℃, 120 ℃, 150 ℃ etc. multiple (annotate: the thermometric accuracy of temperature indicating wax is very high, and error has only positive and negative 2 degree); Warning piece comprises alarm switch 13 and alarm 14, alarm switch 13 is for often leaving, be located in the insulation shell 11, and be positioned at temperature indicating wax stone 12 tops, please in conjunction with shown in Figure 2, alarm switch 13 comprises elastic copper sheet 131 and copper foil plate 132, and copper foil plate 132 surfaces are provided with two copper foil layers 133 of insulation mutually, two interlaced and insulation settings of elastic copper sheet 131 1 ends, the other end welds fixing with corresponding copper foil layer 133 respectively mutually.Alarm 14 is located at alarm switch 13 tops, and be connected conducting with alarm switch 13, please in conjunction with Fig. 1, shown in Figure 3, alarm 14 comprises voice guard 141, luminous alarm 142, voice guard 141 can adopt sound card and the piezo buzzer that is connected, luminous alarm 142 can adopt light emitting diode, and battery 143 can be selected the button cell 143 of 1.5～6V for use.Alarm switch 13 is connected to form an oscillating alarming circuit with voice guard 141, luminous alarm 142 and battery, and battery 143 provides direct supply for sound, light warning.Certainly, this alarm 14 also can select to adopt wireless signal transmitter, carries out wireless signal and reports to the police. Permanent magnet 15a, 15b are opposite two of being provided with of polarity, and a permanent magnet 15a is fixed at temperature indicating wax stone 12 inside, need to prove at this, and this permanent magnet 15a can wrap up into temperature indicating wax stone 12 inside when making solid-state temperature indicating wax stone 12; Another permanent magnet 15b is fixed between alarm switch 13 and the alarm 14, because two permanent magnet 15a, 15b polarity are provided with on the contrary, and the state that remains that there is a natural attraction between the sexes.Temperature indicating wax stone 12 inner also savory wax of sealed envelope or flavouring agents 16, when temperature indicating wax stone 12 began to dissolve, fragrance wax or flavouring agent 16 just can be outwards fragrant, thereby played the effect of smell warning in advance.Also have corresponding chimes of doom sound hole 111 and fragrance divergence hole 112 on the insulation shell 11.
During installation, only need to adopt bonding agent that temperature indicating wax stone 12 1 end faces of this warning device 10 directly are bonded on the point for measuring temperature that needs temperature measuring equipment and get final product.See also shown in Figure 4, detection for privileged sites such as cable splice, busbar junction and plug-in strip connecting portions, also can the opening part of the insulation shell 11 of warning device 10 again threaded engagement connect insulating bolt cover 17, and be connected and fixed by insulating bolt cover 17 and holding screw 1 on above-mentioned each thermometric position and get final product.
Concrete use to this warning device 10 is illustrated below:
Example 1; a high-pressure hydraulic pump motor of certain pump house; be limited to 90 ℃ on the safe temperature of its front and back bearings regulation; therefore selecting melting temperature is that 80 ℃ temperature indicating wax stone 12 (is annotated: in order to guarantee safety; the general melting temperature of selecting will reduce by 5～10 ℃); and under high-pressure hydraulic pump motor stopped status; two these warning devices 10 are adhered on the bearing cap of front and back bearings; when motor normally moves; warning device 10 is in monitored state; when front and back bearings generation oil starvation or oil situation such as unusual, the local overheating that bearing friction produces reaches warning device 10 by bearing cap, in case temperature reaches 80 when spending; temperature indicating wax stone 12 and inner fragrance wax or flavouring agent 16 begin to dissolve; and distributing place's fragrance, prompting site operation personnel or regular operator on duty check, play forewarning function.Continue when overheated, the 12 fast instantizings of temperature indicating wax stone are liquid, inner permanent magnet 15a loses restricting resistance force, and by under powerful magnetic field the suction-combining force effect, there is a natural attraction between the sexes with permanent magnet 15b, thereby pressing elastic copper sheet 131 and copper foil plate 132 conductings, form alarm switch 13 closures, trigger warning circuit and connect, thereby carry out luminous and audible alarm, remind operating personnel in time the row of inspection hinder, avoid overtemperature and have an accident.
Example 2, certain distribution substation has a lot of electric power knife switches and cable splice, because load is big, the time is long, easily forms selective oxidation temperature rising phenomenon (joint is loosening), and some joint is in dark corner, observe inconveniently, therefore selecting melting temperature is 60 ℃ temperature indicating wax stone 12, and is installed on the holding screw 1 of knife switch and joint by insulating bolt cover 17, when this located the temperature overtemperature, this warning device 10 carried out modes such as smell, light, sound equally and reports to the police.
In sum, warning device of the present utility model 10 is simple in structure, easy to use, install and be not subjected to unrestricted (point for measuring temperature top also can be installed and used), the overtemperature that can be widely used in electric system, electrical equipment and plant equipment detects, and type of alarm is many and accurately and timely, stopped potential safety hazard, reduced economic loss, effect is very remarkable.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (6)
1. overtemperature detection alarm device is characterized in that:
This warning device comprises insulation shell, temperature indicating wax stone, warning piece and permanent magnet, insulation shell one end opening, and inside is cavity structure; The temperature indicating wax stone is located at opening part, and is connected and fixed with the insulation shell inwall; Warning piece comprises alarm switch and alarm, and alarm switch is located in the insulation shell, and is positioned at temperature indicating wax stone top, and alarm is located at the alarm switch top, and is connected conducting with alarm switch; Permanent magnet is opposite two of being provided with of polarity, and one is fixed at temperature indicating wax stone inside, and another is fixed between alarm switch and the alarm.
2. overtemperature detection alarm device as claimed in claim 1 is characterized in that:
Described alarm switch comprises elastic copper sheet and copper foil plate, two interlaced and insulation settings of elastic copper sheet, and an end is connected and fixed with copper foil plate respectively.
3. overtemperature detection alarm device as claimed in claim 1 is characterized in that:
Described alarm comprises voice guard, luminous alarm and battery, the conducting that is connected with battery respectively of voice guard and luminous alarm.
4. overtemperature detection alarm device as claimed in claim 1 is characterized in that:
Described temperature indicating wax stone inner also savory wax of sealed envelope or flavouring agent.
5. overtemperature detection alarm device as claimed in claim 1 is characterized in that:
Have chimes of doom sound hole and fragrance divergence hole on the described insulation shell.
6. overtemperature detection alarm device as claimed in claim 5 is characterized in that:
The opening part of described insulation shell also is connected with the insulating bolt cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200562403U CN201188035Y (en) | 2008-03-14 | 2008-03-14 | Overtemperature detection alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200562403U CN201188035Y (en) | 2008-03-14 | 2008-03-14 | Overtemperature detection alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201188035Y true CN201188035Y (en) | 2009-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200562403U Expired - Fee Related CN201188035Y (en) | 2008-03-14 | 2008-03-14 | Overtemperature detection alarm device |
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| CN (1) | CN201188035Y (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104063996A (en) * | 2013-03-22 | 2014-09-24 | 智易科技股份有限公司 | Electronic device with fragrance warning function |
| CN105466593A (en) * | 2015-12-03 | 2016-04-06 | 宁波澳玛特高精冲压机床股份有限公司 | Crankshaft temperature monitoring system, crankshaft temperature monitoring method, and punch press |
| CN106153210A (en) * | 2016-08-16 | 2016-11-23 | 国网江苏省电力公司镇江供电公司 | Close conductor conductor joint heating monitoring device |
| CN107192466A (en) * | 2017-07-01 | 2017-09-22 | 合肥东玖电气有限公司 | A kind of wireless temperature measuring device |
| CN107647534A (en) * | 2017-09-22 | 2018-02-02 | 广西南宁胜祺安科技开发有限公司 | One kind has magnetic seat belt apparatus and its reminding method |
| CN107719296A (en) * | 2017-09-22 | 2018-02-23 | 广西南宁胜祺安科技开发有限公司 | A kind of love seat belt apparatus and its application method |
| CN107719297A (en) * | 2017-09-22 | 2018-02-23 | 广西南宁胜祺安科技开发有限公司 | A kind of seat belt apparatus and its reminding method for distributing love |
| CN107719301A (en) * | 2017-09-22 | 2018-02-23 | 广西南宁胜祺安科技开发有限公司 | A kind of seat belt apparatus and its reminding method for distributing fragrance |
| CN108151891A (en) * | 2017-12-22 | 2018-06-12 | 谢涛 | Trigger system in a kind of equipment alarm internet |
| CN108231269A (en) * | 2018-04-09 | 2018-06-29 | 珠海科明智能科技有限公司 | A kind of electric wire high temperature warns paster |
-
2008
- 2008-03-14 CN CNU2008200562403U patent/CN201188035Y/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104063996A (en) * | 2013-03-22 | 2014-09-24 | 智易科技股份有限公司 | Electronic device with fragrance warning function |
| CN105466593A (en) * | 2015-12-03 | 2016-04-06 | 宁波澳玛特高精冲压机床股份有限公司 | Crankshaft temperature monitoring system, crankshaft temperature monitoring method, and punch press |
| CN105466593B (en) * | 2015-12-03 | 2017-12-05 | 宁波澳玛特高精冲压机床股份有限公司 | Crankcase temperature monitoring system, crankcase temperature monitoring method and punch press |
| CN106153210A (en) * | 2016-08-16 | 2016-11-23 | 国网江苏省电力公司镇江供电公司 | Close conductor conductor joint heating monitoring device |
| CN106153210B (en) * | 2016-08-16 | 2019-02-15 | 国网江苏省电力公司镇江供电公司 | Close conductor conductor joint heating monitoring device |
| CN107192466A (en) * | 2017-07-01 | 2017-09-22 | 合肥东玖电气有限公司 | A kind of wireless temperature measuring device |
| CN107719296A (en) * | 2017-09-22 | 2018-02-23 | 广西南宁胜祺安科技开发有限公司 | A kind of love seat belt apparatus and its application method |
| CN107719297A (en) * | 2017-09-22 | 2018-02-23 | 广西南宁胜祺安科技开发有限公司 | A kind of seat belt apparatus and its reminding method for distributing love |
| CN107719301A (en) * | 2017-09-22 | 2018-02-23 | 广西南宁胜祺安科技开发有限公司 | A kind of seat belt apparatus and its reminding method for distributing fragrance |
| CN107647534A (en) * | 2017-09-22 | 2018-02-02 | 广西南宁胜祺安科技开发有限公司 | One kind has magnetic seat belt apparatus and its reminding method |
| CN108151891A (en) * | 2017-12-22 | 2018-06-12 | 谢涛 | Trigger system in a kind of equipment alarm internet |
| CN108231269A (en) * | 2018-04-09 | 2018-06-29 | 珠海科明智能科技有限公司 | A kind of electric wire high temperature warns paster |
| CN108231269B (en) * | 2018-04-09 | 2019-06-14 | 珠海科明智能科技有限公司 | A kind of wire and cable high temperature warning paster |
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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: 20090128 Termination date: 20160314 |
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| CF01 | Termination of patent right due to non-payment of annual fee |