CN102486535A - Experimental device for LED (light-emitting diode) street lamp under low temperature environment - Google Patents
Experimental device for LED (light-emitting diode) street lamp under low temperature environment Download PDFInfo
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- CN102486535A CN102486535A CN2010105738432A CN201010573843A CN102486535A CN 102486535 A CN102486535 A CN 102486535A CN 2010105738432 A CN2010105738432 A CN 2010105738432A CN 201010573843 A CN201010573843 A CN 201010573843A CN 102486535 A CN102486535 A CN 102486535A
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Abstract
The invention discloses an experimental device for an LED (light-emitting diode) street lamp under a low temperature environment, which comprises a warming chamber, a cooling unit for feeding cold air into the warming chamber continually, an air compressor, a temperature detection device, a controller for controlling the cooling unit and the air compressor, and a control cabinet arranged on the outer side of a warming box and internally provided with a control system, wherein the cooling unit, the air compressor and the controller from a low temperature and constant temperature control system; the temperature detection device is connected with the control system; a plurality of ageing racks for bearing an LED street lamp to be tested are distributed in the warming chamber; and the LED street lamp to be tested is connected with a power socket on the inner side wall of the warming chamber through connecting an electric wire. The experimental device for the LED street lamp under the low temperature environment has a simple structure, is convenient to deploy, is simple and convenient to use and operate, has a good use effect, and can provide a stable low temperature test environment for the LED street lamp, the reliability of the LED street lamp to be tested is effectively improved, and the service life of the LED street lamp to be tested is prolonged.
Description
Technical field
The present invention relates to a kind of low temperature environment test unit, especially relate to a kind of LED street lamp low temperature environment experimental provision.
Background technology
The LED street lamp possibly be in the low temperature environment when energising work, and therefore the stability in low temperature environment is one of key factor that influences LED street lamp reliability.But; Nowadays existing do not have a kind of reasonable in design, use is easy and simple to handle and result of use is good low temperature environment test unit on the market; Can carry out the low temperature aging test to the LED street lamp, and in time find LED street lamp existing practical problems aspect the low temperature environment use, so that take measures to improve; To improve the performance of LED street lamp, the reliability and the serviceable life of improving the LED street lamp.
Summary of the invention
Technical matters to be solved by this invention is to above-mentioned deficiency of the prior art a kind of LED street lamp low temperature environment experimental provision to be provided, and it is simple in structure, laying is convenient, use is easy and simple to handle and result of use is good.Can effectively improve the reliability of LED street lamp to be tested, and prolong the serviceable life of LED street lamp to be tested for LED street lamp to be tested provides a stable low-temperature test environment.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of LED street lamp low temperature environment experimental provision; It is characterized in that: the temperature-detecting device that comprises the moist closet that surrounded by insulated wall, circulation constantly send into the cold wind unit of cold wind, the air inlet through connecting tube and cold wind unit and join in said insulation can air compressor, the temperature in the said moist closet is detected in real time, the controller that cold wind unit and air compressor are controlled and be installed in the said insulation can outside and inside is laid with the switch board of control system; Said control system and controller join; Said cold wind unit and air compressor all join with controller; And cold wind unit, air compressor and controller are formed the cryogenic thermostat control system, and said temperature-detecting device and said control system are joined; Be laid with the ageing rack that a plurality of confessions LED street lamp to be tested is placed in the said moist closet, said LED street lamp to be tested joins with the supply socket that is installed on the said moist closet madial wall through connecting electric wire.
Above-mentioned a kind of LED street lamp low temperature environment experimental provision; It is characterized in that: said control system comprises CPU control module and the analog quantity input/output module, digital quantity input/output module, communication module and the clock circuit that join with said CPU control module respectively; Said controller and said CPU control module are joined, and carry out two-way communication through said communication module between said controller and the said CPU control module.
Above-mentioned a kind of LED street lamp low temperature environment experimental provision is characterized in that: carry out two-way communication through RS485 serial communication mode between said controller and the said CPU control module, and said communication module is the RS485 serial communication modular.
Above-mentioned a kind of LED street lamp low temperature environment experimental provision, it is characterized in that: said temperature-detecting device is a temperature probe.
Above-mentioned a kind of LED street lamp low temperature environment experimental provision, it is characterized in that: the quantity of said temperature probe is a plurality of.
The present invention compared with prior art has the following advantages:
1, simple in structure, cost is low and each assembly is easy for installation.
2, use easy and simple to handle and realize convenient, realize conveniently, the moist closet that is adopted can at utmost reduce and extraneous heat interchange, reduces energy loss, improves the stability of test environment temperature; Its cryogenic thermostat control system makes moist closet reach the low temperature of setting and keeps the corresponding time under the control of control system; And the cryogenic thermostat control system is controlled by controller independently; Temperature probe is housed in moist closet simultaneously; Controller is monitored the insulation indoor temperature in real time through temperature probe, control cold wind unit and air compressor work, and corresponding control insulation indoor temperature reaches setting value.
3, reliable working performance and result of use are good; The present invention mainly comprises cryogenic thermostat control system, moist closet and three chief components of control system; Wherein control system can be carried out according to test duration of setting and probe temperature control whole test process automatically, in test process, gathers the environment temperature in the moist closet in real time; Make comparisons with the temperature of setting then and according to the low temperature control system transporting cold wind in moist closet of comparative result control, control degree can accurately control to 1 and spend; And moist closet can farthest reduce and extraneous heat interchange, reduces energy loss, improves the stability of test environment temperature.
In sum; The present invention is simple in structure, laying is convenient, use is easy and simple to handle and result of use is good; Can effectively improve the reliability of LED street lamp to be tested, and prolong the serviceable life of LED street lamp to be tested for LED street lamp to be tested provides a stable low-temperature test environment.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a schematic block circuit diagram of the present invention.
Description of reference numerals:
1-cold wind unit; The 2-connecting tube; The 3-air compressor;
4-LED street lamp to be tested; The 5-ageing rack; The 6-controller;
The 7-insulated wall; The 8-switch board; 9-connects electric wire;
The 10-temperature probe; The 11-control system.
Embodiment
Like Fig. 1, shown in Figure 2; The controller 6 that the present invention includes the moist closet that surrounded by insulated wall 7, circulation constantly send into air compressor 3 that the cold wind unit 1 of cold wind, the air inlet through connecting tube 2 and cold wind unit 1 join, the temperature in the said moist closet is detected in real time in said insulation can temperature-detecting device, cold wind unit 1 and air compressor 3 are controlled and be installed in the said insulation can outside and the inner switch board 8 that is laid with control system 11; Said control system 11 is joined with controller 6; Said cold wind unit 1 all joins with controller 6 with air compressor 3; And cold wind unit 1, air compressor 3 and controller 6 are formed the cryogenic thermostat control system, and said temperature-detecting device and said control system 11 are joined.Be laid with the ageing rack 5 that a plurality of confessions LED street lamp 4 to be tested is placed in the said moist closet, said LED street lamp 4 to be tested joins with the supply socket that is installed on the said moist closet madial wall through connecting electric wire 9.
In the present embodiment; Said control system 11 comprises CPU control module and the analog quantity input/output module, digital quantity input/output module, communication module and the clock circuit that join with said CPU control module respectively; Said controller 6 joins with said CPU control module, carries out two-way communication through said communication module between said controller 6 and the said CPU control module.In the actual use, carry out two-way communication through RS485 serial communication mode between said controller 6 and the said CPU control module, and said communication module is the RS485 serial communication modular.
In the present embodiment, said temperature-detecting device is a temperature probe 10, and the quantity of said temperature probe 10 is a plurality of.
In the actual use; Said control system 11 adopts Programmable Logic Controller as core controller (being said CPU control module); And attended operation man-machine interface; Through man-machine interface parameters such as the temperature, time of test, main operation are set, test process can carry out automatically, and with the formation of the important parameter in test process report output.Said control system 11 is sent instruction to cryogenic thermostat control system (specifically being meant controller 6) in real time in test process, make the temperature in the moist closet reach setting value, and temperature can accurately control to 1 degree.Be provided with insulated wall 7 in the said moist closet, can farthest reduce indoor with extraneous heat interchange, reduce energy loss, improve the stability of test environment temperature; Said cryogenic thermostat control system makes moist closet reach the low temperature of setting and keeps the corresponding time under the control of said control system 11.Said cryogenic thermostat control system is controlled by controller 6 independently, and communicates through the RS485 interface between the said control system 11, receives the temperature value of setting.Simultaneously, temperature probe 10 is housed in moist closet, controller 6 control cold wind unit 1 and air compressor 3 work, and corresponding control insulation indoor temperature reaches setting value through temperature probe 10 monitoring insulation in real time indoor temperature.In the practical work process, controller 6 will be incubated indoor temperature through the RS485 interface and duty returns to control system 11, so that operating personnel in time understand test mode.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every technical spirit changes any simple modification, change and the equivalent structure that above embodiment did according to the present invention, all still belongs in the protection domain of technical scheme of the present invention.
Claims (5)
1. LED street lamp low temperature environment experimental provision; It is characterized in that: the temperature-detecting device that comprises the moist closet that surrounded by insulated wall (7), circulation constantly send into the cold wind unit (1) of cold wind, the air inlet through connecting tube (2) and cold wind unit (1) and join in said insulation can air compressor (3), the temperature in the said moist closet is detected in real time, the controller (6) that cold wind unit (1) and air compressor (3) are controlled and be installed in outside the said insulation can and inside is laid with the switch board (8) of control system (11); Said control system (11) is joined with controller (6); Said cold wind unit (1) and air compressor (3) all join with controller (6); And cold wind unit (1), air compressor (3) and controller (6) are formed the cryogenic thermostat control system, and said temperature-detecting device and said control system (11) are joined; Be laid with the ageing rack (5) that a plurality of confessions LED street lamps to be tested (4) are placed in the said moist closet, said LED street lamp to be tested (4) joins with the supply socket that is installed on the said moist closet madial wall through connecting electric wire (9).
2. according to the described a kind of LED street lamp low temperature environment experimental provision of claim 1; It is characterized in that: said control system (11) comprises CPU control module and the analog quantity input/output module, digital quantity input/output module, communication module and the clock circuit that join with said CPU control module respectively; Said controller (6) joins with said CPU control module, carries out two-way communication through said communication module between said controller (6) and the said CPU control module.
3. according to the described a kind of LED street lamp low temperature environment experimental provision of claim 2; It is characterized in that: carry out two-way communication through RS485 serial communication mode between said controller (6) and the said CPU control module, and said communication module is the RS485 serial communication modular.
4. according to claim 1,2 or 3 described a kind of LED street lamp low temperature environment experimental provisions, it is characterized in that: said temperature-detecting device is temperature probe (10).
5. according to the described a kind of LED street lamp low temperature environment experimental provision of claim 4, it is characterized in that: the quantity of said temperature probe (10) is a plurality of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105738432A CN102486535A (en) | 2010-12-05 | 2010-12-05 | Experimental device for LED (light-emitting diode) street lamp under low temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105738432A CN102486535A (en) | 2010-12-05 | 2010-12-05 | Experimental device for LED (light-emitting diode) street lamp under low temperature environment |
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| Publication Number | Publication Date |
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| CN102486535A true CN102486535A (en) | 2012-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105738432A Pending CN102486535A (en) | 2010-12-05 | 2010-12-05 | Experimental device for LED (light-emitting diode) street lamp under low temperature environment |
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| CN (1) | CN102486535A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233898A (en) * | 2015-10-30 | 2016-01-13 | 江苏同盛环保技术有限公司 | Novel high-precision large and medium constant temperature tank |
| CN106908681A (en) * | 2017-04-18 | 2017-06-30 | 南京优倍自动化系统有限公司 | A kind of aging checking system of intelligence |
| CN112230691A (en) * | 2020-08-24 | 2021-01-15 | 上海季丰电子股份有限公司 | Environmental test system |
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| JPH01116464A (en) * | 1987-10-30 | 1989-05-09 | Nec Corp | Tester for semiconductor device |
| JPH1151823A (en) * | 1997-08-05 | 1999-02-26 | Hitachi Ltd | Environment-testing apparatus |
| CN2892263Y (en) * | 2006-05-17 | 2007-04-25 | 贺惠卓 | High and low temp. wet heating testing case |
| CN101038235A (en) * | 2007-03-27 | 2007-09-19 | 顾韻 | High acceleration temperature changing test chamber |
| CN201035028Y (en) * | 2007-04-18 | 2008-03-12 | 东莞市正业电子有限公司 | Wide domain regulate climatic chamber |
| CN201319060Y (en) * | 2008-11-27 | 2009-09-30 | 上海纳米技术及应用国家工程研究中心有限公司 | Test-box in high-low temperature test of battery |
| KR100963128B1 (en) * | 2009-10-06 | 2010-06-16 | (주)오엠티 | High temperature lighting test apparatus of light emitting diode module |
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2010
- 2010-12-05 CN CN2010105738432A patent/CN102486535A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01116464A (en) * | 1987-10-30 | 1989-05-09 | Nec Corp | Tester for semiconductor device |
| JPH1151823A (en) * | 1997-08-05 | 1999-02-26 | Hitachi Ltd | Environment-testing apparatus |
| CN2892263Y (en) * | 2006-05-17 | 2007-04-25 | 贺惠卓 | High and low temp. wet heating testing case |
| CN101038235A (en) * | 2007-03-27 | 2007-09-19 | 顾韻 | High acceleration temperature changing test chamber |
| CN201035028Y (en) * | 2007-04-18 | 2008-03-12 | 东莞市正业电子有限公司 | Wide domain regulate climatic chamber |
| CN201319060Y (en) * | 2008-11-27 | 2009-09-30 | 上海纳米技术及应用国家工程研究中心有限公司 | Test-box in high-low temperature test of battery |
| KR100963128B1 (en) * | 2009-10-06 | 2010-06-16 | (주)오엠티 | High temperature lighting test apparatus of light emitting diode module |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105233898A (en) * | 2015-10-30 | 2016-01-13 | 江苏同盛环保技术有限公司 | Novel high-precision large and medium constant temperature tank |
| CN106908681A (en) * | 2017-04-18 | 2017-06-30 | 南京优倍自动化系统有限公司 | A kind of aging checking system of intelligence |
| CN112230691A (en) * | 2020-08-24 | 2021-01-15 | 上海季丰电子股份有限公司 | Environmental test system |
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Application publication date: 20120606 |