CN101866531B - Detection system for detecting temperature alarm - Google Patents
Detection system for detecting temperature alarm Download PDFInfo
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- CN101866531B CN101866531B CN2010101921265A CN201010192126A CN101866531B CN 101866531 B CN101866531 B CN 101866531B CN 2010101921265 A CN2010101921265 A CN 2010101921265A CN 201010192126 A CN201010192126 A CN 201010192126A CN 101866531 B CN101866531 B CN 101866531B
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Abstract
The invention discloses a detection system for detecting a temperature alarm. The system comprises a circulating air passage, a first evaporator, a heater, a first circulating fan, a pore plate, an air grid, a test working position and a test device, wherein the first evaporator, the heater, the first circulating fan, the pore plate, the air grid and the test working position are arranged in the circulating air passage in turn; the test device is arranged at the test working position and consists of a thermostat arranged in the annular space of the circulating air passage, a driving cylinder and a guide post arranged in the thermostat, a pallet which is sleeved on the guide post and in transmission connection with the driving cylinder and a test piece bracket arranged on the pallet; the circulating air passage is provided with an opening adapted to the test piece bracket; and when the driving cylinder drives the pellet to move upwards, the test piece bracket can make a test piece extend into the circulating air passage from the thermostat. The test piece is ascended and descended through the driving cylinder arranged in the thermostat without the assistance of a guide rod arranged in the circulating air passage so that turbulent flow in the circulating air passage can be effectively prevented. Therefore, the system has the advantages of high detection accuracy, high temperature rate, small temperature difference and high detection accuracy.
Description
Technical field
The present invention relates to a kind of pick-up unit and use the method that this pick-up unit detects, more particularly, relate to be used for the detection system of detected temperatures type alarm.
Background technology
Tradition is used for the detection system of detected temperatures type alarm because its simple in structure, function singleness; And heating rate is slow, the temperature difference is big, accuracy of detection is low; When the temperature alarm that has detects; Require heating rate fast, have a narrow range of temperature, accuracy of detection is high, thereby the tradition detection system that is used for detected temperatures type alarm can not meet the demands heating rate fast, have a narrow range of temperature, needs that temperature alarm that accuracy of detection is high detects.
Knowledge office of country discloses a kind of patent of invention that is used for the detection system of detected temperatures type alarm on January 28th, 2009; Its patent No. is 200820046081.9; This system's one circulation air path; Also comprise the evaporator, well heater, circulating fan, orifice plate, air grid, the test station that are installed in successively in the circulation air path, be installed in the test unit on the test station, this test unit is connected with the elevating mechanism that is used for the test unit up-down that is installed in the circulation air path top, and said elevating mechanism is by being installed in the circulation air path top; Constitute by lift cylinder, the chain that is connected with the cylinder axis of lift cylinder; The boatswain chair that said test unit is by a mobile base, be arranged on guide rod on the mobile base, be installed in the guide rod top constitutes, and the drive motor that is equiped with a testing base, this testing base on the mobile base and is installed in the mobile base bottom is rotationally connected, when making an experiment; Test unit rises in the circulation air path through elevating mechanism; Because guide rod is positioned at circulation air path, can make the air turbulence in the circulation air path, reduced accuracy of detection.
Summary of the invention
The objective of the invention is to overcome above-mentioned defective of the prior art; A kind of turbulent flow that can prevent to take place in the circulation air path is provided; Heating rate is fast, have a narrow range of temperature, accuracy of detection is high, the detection system that is used for detected temperatures type alarm that also can regulate heating rate.
For realizing above-mentioned purpose; Technical scheme provided by the invention is following: a kind of detection system that is used for detected temperatures type alarm is provided; Comprise a circulation air path, also comprise first evaporator, well heater, first circulating fan, orifice plate, air grid, the test station that are installed in successively in the circulation air path, be installed in the test unit on the test station that said test unit is by the constant temperature oven in the annular space that is installed in circulation air path; Be installed in driving cylinder, guide pillar in the constant temperature oven; Be set in the pallet that is in transmission connection with the driving cylinder on the guide pillar, the sample stent that is installed on the pallet constitutes, and offers the perforate that adapts with sample stent on the circulation air path; When driving cylinder promotion pallet moved upward, sample stent can make test specimen in constant temperature oven, stretch in the circulation air path.
The beneficial effect that is used for the detection system of detected temperatures type alarm of the present invention is: through in circulation air path, installing first evaporator, well heater, first circulating fan, orifice plate, air grid, test station successively, being installed in the test unit on the test station; Said test unit is by the constant temperature oven in the annular space that is installed in circulation air path; Be installed in driving cylinder, guide pillar in the constant temperature oven; Be set in the pallet that is in transmission connection with the driving cylinder on the guide pillar; The sample stent that is installed on the pallet constitutes; Offer the perforate that adapts with sample stent on the circulation air path, when driving cylinder promotion pallet moved upward, sample stent can make test specimen in constant temperature oven, stretch in the circulation air path.Test specimen goes up and down through the driving cylinder that is installed in the constant temperature oven; Need in circulation air path, not install the guide rod that is used to lead, can effectively avoid turbulent flow takes place in the circulation air path, thereby improve accuracy of detection greatly; When adopting this system to detect; Also can satisfy the needs that are rapidly heated, also can carry out precision control the temperature difference according to the needs control heating power of test.Have heating rate fast, have a narrow range of temperature, advantage that accuracy of detection is high.
Below in conjunction with accompanying drawing and embodiment the detection system that is used for detected temperatures type alarm of the present invention is described further.
Description of drawings
Fig. 1 is the structural representation that is used for the detection system of detected temperatures type alarm of the present invention;
Fig. 2 is that the test unit that is used for the detection system of detected temperatures type alarm of the present invention rises to test specimen the structural representation that detects in the circulation air path;
Fig. 3 is that the A of Fig. 1 is to view;
Fig. 4 is that the B of Fig. 1 is to view.
Embodiment
Below the preferred example that is used for the detection system of detected temperatures type alarm according to the invention, therefore do not limit protection scope of the present invention.
With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4; Be provided for the detection system of detected temperatures type alarm; Comprise a circulation air path 1, also comprise first evaporator 2 that is installed in successively in the circulation air path 1, well heater 3, first circulating fan 4, orifice plate 5, air grid 6, test station 7, be installed in the test unit 8 on the test station 7 that said test unit 8 is by the constant temperature oven in the annular space that is installed in circulation air path 19; Be installed in driving cylinder 10, guide pillar 11 in the constant temperature oven 9; Be set in the pallet 12 that is in transmission connection with driving cylinder 10 on the guide pillar 11, the sample stent 13 that is installed on the pallet 12 constitutes, and offers the perforate 14 that adapts with sample stent 13 on the circulation air path 1; When driving cylinder 10 promotion pallets 12 moved upward, sample stent 13 can make test specimen in constant temperature oven 9, stretch in the circulation air path 1.
Said driving cylinder 10 is Rodless cylinders.
The shape of said air grid 6 is cellular, and air grid 6 front portions are equiped with orifice plate 5, and the wind in the circulation air path 1 passes through cellular air grid 6 again through orifice plate 5; Wind in the circulation air path 1 is evenly distributed, and can make the temperature of test station 7 of circulation air path 1 more even, and efficiency reduces the temperature difference of test; Improve the precision that detects; Test station 7 should help further reducing the temperature difference of test as far as possible near air grid 6, improves the precision that detects.
Also be equiped with the drive motor 24 that is rotationally connected with first circulating fan 4 on said circulation air path 1 sidewall.
On the said circulation air path 1 perforate 14 places be equiped be used for to this perforate 14 seal electronic or Pneumatic reverse turning bed 15.
Said electronic or Pneumatic reverse turning bed 15 is two-sided or the single face turnover panel.
Also be equiped with second evaporator 16 in the said constant temperature oven 9.
Also be equiped with second circulating fan 17 in the said constant temperature oven 9.
Said circulation air path 1 also is provided with the air inlet 18 that is used to lower the temperature, is equiped with an air-valve turnover panel 19 on this air inlet 17, and this air inlet 17 is connected with a cold wind blast pipe 20.
Said circulation air path 1 also is provided with the air outlet 21 that is used to lower the temperature, is equiped with an air-valve turnover panel 22 on this air outlet 21, and this air inlet 17 is connected with a hot blast exhaust duct 23.
The foregoing description is a preferred implementation of the present invention; But embodiment of the present invention is not restricted to the described embodiments; Other any do not deviate from change, the modification done under spirit of the present invention and the principle, substitutes, combination, simplify; All should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (8)
1. the detection system that is used for detected temperatures type alarm; Comprise a circulation air path (1); Also comprise first evaporator (2), well heater (3), first circulating fan (4), orifice plate (5), air grid (6), the test station (7) that are installed in successively in the circulation air path (1), be installed in the test unit (8) on the test station (7); It is characterized in that; Said test unit (8) is by the constant temperature oven (9) in the annular space that is installed in circulation air path (1), is installed in driving cylinder (10), guide pillar (11) in the constant temperature oven (9), is set in guide pillar (11) and goes up the pallet (12) that is in transmission connection with driving cylinder (10); The sample stent (13) that is installed on the pallet (12) constitutes; Offer the perforate (14) that adapts with sample stent (13) on the circulation air path (1), driving cylinder (10) promotion pallet (12) when moving upward, sample stent (13) can make test specimen in constant temperature oven (9), stretch in the circulation air path (1).
2. the detection system that is used for detected temperatures type alarm according to claim 1 is characterized in that, said circulation air path (1) is gone up perforate (14) and located to be equiped with electronic or Pneumatic reverse turning bed (15) that are used for this perforate (14) is sealed.
3. the detection system that is used for detected temperatures type alarm according to claim 2 is characterized in that, said electronic or Pneumatic reverse turning bed (15) are two-sided or the single face turnover panel.
4. the detection system that is used for detected temperatures type alarm according to claim 1 is characterized in that, also is equiped with second evaporator (16) in the said constant temperature oven (9).
5. the detection system that is used for detected temperatures type alarm according to claim 1 is characterized in that, also is equiped with second circulating fan (17) in the said constant temperature oven (9).
6. the detection system that is used for detected temperatures type alarm according to claim 1; It is characterized in that; Said circulation air path (1) also is provided with the air inlet (18) that is used to lower the temperature, is equiped with an air-valve turnover panel (19) on this air inlet (17), and this air inlet (17) is connected with a cold wind blast pipe (20).
7. the detection system that is used for detected temperatures type alarm according to claim 1; It is characterized in that; Said circulation air path (1) also is provided with the air outlet (21) that is used to lower the temperature, is equiped with an air-valve turnover panel (22) on this air outlet (21), and this air inlet (17) is connected with a hot blast exhaust duct (23).
8. the detection system that is used for detected temperatures type alarm according to claim 1 is characterized in that, said driving cylinder (10) is a Rodless cylinder.
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CN2010101921265A CN101866531B (en) | 2010-06-01 | 2010-06-01 | Detection system for detecting temperature alarm |
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CN2010101921265A CN101866531B (en) | 2010-06-01 | 2010-06-01 | Detection system for detecting temperature alarm |
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CN101866531A CN101866531A (en) | 2010-10-20 |
CN101866531B true CN101866531B (en) | 2012-05-30 |
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Families Citing this family (4)
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CN103093591B (en) * | 2012-12-28 | 2016-02-24 | 公安部沈阳消防研究所 | Airduct fire test device |
CN105486428A (en) * | 2016-01-02 | 2016-04-13 | 秦皇岛丰泰自动化设备制造有限公司 | Temperature-sensitive detector finished product detection device |
CN107246974A (en) * | 2017-05-02 | 2017-10-13 | 青岛大学 | A kind of air heat exchanger heat exchange performance and dehumidifying/icing measure examination ducting system |
CN110017915A (en) * | 2018-01-09 | 2019-07-16 | 北京康斯特仪表科技股份有限公司 | Furnace body and stem body temperature checker with air-valve |
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CN2058980U (en) * | 1989-12-20 | 1990-07-04 | 地方国营宁波镇海微型电机厂 | Temp. measuring box |
JP3201905B2 (en) * | 1994-03-31 | 2001-08-27 | 能美防災株式会社 | Test method and test equipment for thermal fire detector |
CN2484123Y (en) * | 2001-06-25 | 2002-04-03 | 浙江大学 | Tube-type multi-spot spraying device suitable to farm-chemical indoor determination |
CN100520433C (en) * | 2006-08-31 | 2009-07-29 | 艾默生网络能源有限公司 | Air passage and its control method |
CN101251948B (en) * | 2008-04-08 | 2010-11-17 | 东莞市升微机电设备科技有限公司 | Detecting system and method for detecting temperature type alarm |
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