CN201434455Y - Air conditioner for case body - Google Patents
Air conditioner for case body Download PDFInfo
- Publication number
- CN201434455Y CN201434455Y CN2009200779142U CN200920077914U CN201434455Y CN 201434455 Y CN201434455 Y CN 201434455Y CN 2009200779142 U CN2009200779142 U CN 2009200779142U CN 200920077914 U CN200920077914 U CN 200920077914U CN 201434455 Y CN201434455 Y CN 201434455Y
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- air
- conditioning
- casing
- door
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Abstract
The utility model provides an air conditioner for a case body, which comprises a photosensitive element and a photoelectric switch. The air conditioner for the case body is more convenient to installand use, and costs low. In long term use, the detection of the photosensitive element and the photoelectric switch is more reliable, thereby obviating the problem of the short service life of the airconditioner for the case body due to intermittent shift of a door level switch during operation.
Description
Technical field:
The utility model relates to field of air conditioning, relates in particular to the air-conditioning that a kind of casing is used.
Background technology:
Along with the develop rapidly of electronics and electrical apparatus technology, electronics and the electric equipment products of using in Industry Control and the communication field get more and more, become increasingly complex, integrated level is more and more higher, more and more expensive.In order to guarantee their steady operations chronically, it is very important a working environment airtight and controlled temperature being provided for electronics and electric equipment products.Accomplish this point, at present ripe and the most most economical way is exactly that all control and communication electronics and electric equipment products are installed in inside one or the one group of cupboard airtight, controlled temperature.
For the person and the safety of equipment and reliably, in the industrial automation field, electronics such as all controllers, driver and relay and electrical installation all are mounted in the rack the inside of sealing, like this, they just can not contact extraneous air, can remain cleaning, reduce fault rate, improve reliability.But because all electronics and electric elements all can generate heat in work, airtight rack has limited natural heat dissipation, so it is exactly necessary initiatively lowering the temperature for rack.Using maximum active heat sinks at present is exactly cabinet air conditioner.For the generation of energy savings and minimizing condensed water, the manufacturing commercial city of all cabinet air conditioners is advised and is required the user to cabinet air conditioner door position switch to be installed, air-conditioning can be quit work after cabinet door is opened automatically.Just require in the explanation in Chinese book that prestige figure electric mechanical (Shanghai) Co., Ltd. provides that " cabinet air conditioner can be operated with a door limit switch that is connected on its website.Door limit switch is not included in the scope of supply (provide with annex, model is PS4127.000).The action of door limit switch can make fan and compressor close after cabinet door is opened about 15 seconds.Can prevent from rack, to form when cabinet door from opening condensed water like this.”。The specification that the website of Lei Zike (Guangzhou) Electric Appliance Equipment Co., Ltd provides also requires " for fear of the formation of condensate, door position switch is adopted in suggestion, guarantees that refrigeration machine must cut out after the switch board door is opened ".
But there are a lot of problems in the method for utilizing door position switch to control the casing air-conditioning: the door position switch needs are installed in addition, fixing and wiring, and cost height, workload are big, if a casing has a plurality of doors, just need to install a plurality of door position switches; Because cabinet itself and cabinet door be meeting wearing and tearing and distortion in long-term use, the detection of door position switch is also reliably incomplete, and the worst situation of Fa Xianing is the door position switch switch-on and-off in actual use, causes air-conditioning to damage because of frequent start-stop.
Summary of the invention:
Technical problem to be solved in the utility model is to provide a kind of casing air-conditioning, to solve the defective that exists in the prior art.
Principle of the present utility model is: one or more photoelectric detection systems directly are installed on air-conditioning, and the on off state of casing cabinet door is judged in the variation that detects luminous intensity by their, stops the work of air-conditioning after the cabinet door is opened at once.In order to protect inner electronics, appliance component and device, the casing of use all should be airtight, and definite IP dust and water protection grade is arranged.Except some are equipped with the casing of transparent windows or door, casing in normal operation, inner luminous intensity is lower.In case open casing behind the door because certain needs, the luminous intensity of box house is bound to improve.Optoelectronic switch can detect the variation of this luminous intensity.Increase if optoelectronic switch detects the luminous intensity that luminous intensity is elevated to certain fault value or detects setting, it just judges that cabinet door opens.For saves energy with particularly reduce the accumulation of condensed water, the signal that air-conditioner controller just can be opened according to the cabinet door that optoelectronic switch provides is closed the compressor and the fan of air-conditioning at once.
The technical scheme that the utility model provides is: a kind of casing air-conditioning comprises photo-sensitive cell and optoelectronic switch in this air-conditioning; Wherein connect with connecting line respectively between photo-sensitive cell and the optoelectronic switch and between optoelectronic switch and the air-conditioner controller.
Wherein said photo-sensitive cell is photodiode, phototriode, photo resistance or photocell.Described optoelectronic switch is one or more.
The operation principle of several photo-sensitive cells is:
Fig. 2 be photodiode PD through one-level triode VT amplify back output 0 or+circuit theory diagrams of Vc binary signal.Wherein, photodiode PD is in reverse blocking state under the situation that is not subjected to illumination, triode VT ends, at this moment, the voltage signal Vout of output is consistent with the voltage Vc of the dc source of system, in view of the above, controller can judge casing the door close, the compressor of air-conditioning and fan can be started working; Photodiode PD is being subjected to being in the reverse-conducting state under the situation of illumination, triode VT saturation conduction, at this moment, the voltage signal Vout of output is very near the ground voltage GND of the dc source of system, in view of the above, controller can judge casing the door open, the compressor of air-conditioning and fan are stopped at once.
Fig. 3 be phototriode VT1 through one-level triode VT2 amplify back output 0 or+circuit theory diagrams of Vcc binary signal.Wherein, phototriode VT1 is in high-impedance state under the situation that is not subjected to illumination, triode ends, at this moment, the voltage signal Vout of output is consistent with the voltage vcc of the dc source of system, in view of the above, controller can judge casing the door close, the compressor of air-conditioning and fan can be started working; Phototriode VT1 is being subjected to being in low resistive state under the situation of illumination, triode VT2 saturation conduction, at this moment, the voltage signal Vout of output is very near the ground voltage GND of the dc source of system, in view of the above, controller can judge casing the door open, the compressor of air-conditioning and fan are stopped at once.
Fig. 4 be photo resistance R2 directly output 0 or+circuit theory diagrams of Vc binary signal.Wherein, photo resistance R12 is under the situation that is not subjected to illumination, and its resistance is a mega-ohms, at this moment, the voltage signal Vout of output is very near the voltage Vc of the dc source of system, in view of the above, controller can judge casing the door close, compressor of air conditioner and fan can be started working; Photo resistance R2 is being subjected under the situation of illumination, and its resistance is hundreds of Europe, at this moment, the voltage signal Vout of output is very near the ground voltage GND of the dc source of system, in view of the above, controller can judge casing the door open, compressor of air conditioner and fan are stopped at once.
Fig. 5 is that photocell output analog voltage signal can judge the on off state of cabinet door according to the variation of intensity of illumination for the analog to digital conversion circuit of air-conditioner controller or controller that adjustable comparison circuit makes air-conditioning, the amplitude that surpasses each fault value or rising when the intensity of illumination rising surpasses certain fault value, controller just judges that cabinet door opens, and sends instruction close compressor and blower fan.
Casing air-conditioning of the present utility model carries photo-sensitive cell and optoelectronic switch, makes that to install and use more convenient and cost low; In long-term use, the detection of photo-sensitive cell and optoelectronic switch is more reliable, can avoid the short problem of casing air-conditioning life-span that causes because of the door position switch switch-on and-off.
Description of drawings:
Fig. 1 is installed in the structural representation of the casing usefulness air-conditioning on the casing
Fig. 2 photodiode amplifies the circuit theory diagrams of back output binary signal through the one-level triode
Fig. 3 phototriode amplifies the circuit theory diagrams of back output binary signal through the one-level triode
The circuit theory diagrams of binary signal are directly exported in Fig. 4 photo resistance.
Fig. 5 photocell output analog voltage signal is given the circuit theory diagrams of the controller of air-conditioning
Wherein:
1, casing air-conditioning; 2, optoelectronic switch; 3, air-conditioner controller; 4, photo-sensitive cell; 5 connecting lines; 6, casing
The specific embodiment:
Install bin body and function air-conditioning 1 on casing 6, and photo-sensitive cell 4 and optoelectronic switch 2 are installed; Wherein connect with connecting line 5 respectively between photo-sensitive cell 4 and the optoelectronic switch 2 and between optoelectronic switch 2 and the air-conditioner controller 3.
According to the difference of casing, can when dispatching from the factory with air-conditioning, casing just be installed in photo-sensitive cell certain casing on the casing air-conditioning enough strong position of sensitization, back of opening the door with the installation of air conditioners position.If casing can't be determined before dispatching from the factory with the installation of air conditioners position, can the photo-sensitive cell of the connecting line that has one section sufficient length not issued the client with air-conditioning to the fixed position, after the client is installed to air-conditioning on the casing, the client can be according to the actual installation position of air-conditioning, and photo-sensitive cell is fixed on certain casing enough strong position of sensitization, back of opening the door.If the local location in the casing has luminous object, the client also can determine the concrete installation site of the photo-sensitive cell of optoelectronic switch according to the requirement of the light of avoiding the luminous object generation in the cabinet, even in needs, can increase the cover of a shading to photo-sensitive cell.
Claims (3)
1. a casing air-conditioning is characterized in that comprising in this air-conditioning photo-sensitive cell (4) and optoelectronic switch (2); Wherein connect with connecting line (5) between photo-sensitive cell (4) and the optoelectronic switch (2) and between optoelectronic switch (2) and the air-conditioner controller (3).
2. casing air-conditioning as claimed in claim 1 is characterized in that described photo-sensitive cell is photodiode, phototriode, photo resistance or photocell.
3. casing air-conditioning as claimed in claim 1 is characterized in that described optoelectronic switch is one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200779142U CN201434455Y (en) | 2009-07-07 | 2009-07-07 | Air conditioner for case body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200779142U CN201434455Y (en) | 2009-07-07 | 2009-07-07 | Air conditioner for case body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201434455Y true CN201434455Y (en) | 2010-03-31 |
Family
ID=42053264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200779142U Expired - Fee Related CN201434455Y (en) | 2009-07-07 | 2009-07-07 | Air conditioner for case body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201434455Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180897A (en) * | 2014-08-20 | 2014-12-03 | 广东美的集团芜湖制冷设备有限公司 | Light metering compensation device and light metering compensation method thereof |
| CN104265112A (en) * | 2014-09-19 | 2015-01-07 | 苏州经贸职业技术学院 | Automatic door controller of underground garage |
| CN106123932A (en) * | 2016-08-17 | 2016-11-16 | 珠海格力电器股份有限公司 | Cabinet door detection device, switch detection circuit and can folding cabinet |
| CN111309114A (en) * | 2020-02-27 | 2020-06-19 | 浪潮商用机器有限公司 | Server and upper cover management system thereof |
| CN111964153A (en) * | 2015-06-09 | 2020-11-20 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
| CN113884154A (en) * | 2020-07-03 | 2022-01-04 | 成都秦川物联网科技股份有限公司 | MCU-based double-path photoelectric sampling method for Internet of things intelligent gas meter |
-
2009
- 2009-07-07 CN CN2009200779142U patent/CN201434455Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180897A (en) * | 2014-08-20 | 2014-12-03 | 广东美的集团芜湖制冷设备有限公司 | Light metering compensation device and light metering compensation method thereof |
| CN104265112A (en) * | 2014-09-19 | 2015-01-07 | 苏州经贸职业技术学院 | Automatic door controller of underground garage |
| CN111964153A (en) * | 2015-06-09 | 2020-11-20 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
| CN111964153B (en) * | 2015-06-09 | 2022-07-05 | 广东美的制冷设备有限公司 | Indoor unit of air conditioner |
| CN106123932A (en) * | 2016-08-17 | 2016-11-16 | 珠海格力电器股份有限公司 | Cabinet door detection device, switch detection circuit and can folding cabinet |
| CN111309114A (en) * | 2020-02-27 | 2020-06-19 | 浪潮商用机器有限公司 | Server and upper cover management system thereof |
| CN113884154A (en) * | 2020-07-03 | 2022-01-04 | 成都秦川物联网科技股份有限公司 | MCU-based double-path photoelectric sampling method for Internet of things intelligent gas meter |
| CN113884154B (en) * | 2020-07-03 | 2023-10-31 | 成都秦川物联网科技股份有限公司 | MCU-based double-path photoelectric sampling method for intelligent gas meter of Internet of things |
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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: 20100331 Termination date: 20120707 |