CN103759337A - Air conditioner and control method thereof - Google Patents
Air conditioner and control method thereof Download PDFInfo
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- CN103759337A CN103759337A CN201410046265.5A CN201410046265A CN103759337A CN 103759337 A CN103759337 A CN 103759337A CN 201410046265 A CN201410046265 A CN 201410046265A CN 103759337 A CN103759337 A CN 103759337A
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Abstract
The invention discloses an air conditioner and a control method thereof. The air conditioner comprises a compressor, a fan speed controller, an exhaust pipe, an integrated controller, an expansion valve and a fresh air pipe, and further comprises an evaporator, a pressure sensor, a condenser, a vertical partition plate and a transverse partition plate. The compressor, the fan speed controller and the exhaust pipe are mounted at the bottom of the air conditioner in parallel. The integrated controller is mounted between the transverse partition plate and the compressor. The expansion valve and the pressure sensor are mounted on the two sides of the integrated controller respectively. The fresh air pipe is communicated with the bottom of the air conditioner and the transverse partition plate. The transverse partition plate and the vertical partition plate are matched to be connected, so that the condenser, the compressor, the fan speed controller, the exhaust pipe, the integrated controller, the expansion valve and the pressure sensor are separated. According to the air conditioner and the control method thereof, the structure and control logic are optimized, and the defect that the compressor and refrigerating fluid cannot be used and stored under an extremely cold environment is overcome.
Description
Technical field
The present invention relates to field of air conditioning, particularly a kind of air-conditioning and control method thereof.
Background technology
Along with scientific and technical development, the automaticity of exploitation of mineral resources improves constantly, the centralized Control cabinet of automation is constantly applied, and the control element in switch board particularly frequency converter etc. produces a large amount of heats, needs the annual cold that constantly provide to guarantee the normal operation of switch board.
Mine is mainly distributed in high latitude or desert area, and environmental quality shows as summer high temperature, and winter is extremely cold, and the variations in temperature of a year can be at-50 degree between 45 degree; At present, the low-temperature receiver of centralized Control cabinet is all generally to be provided by year round cooling type air-conditioning, the restriction of machine and refrigerant property by compression, and the current technology of its range of operation can only guarantee to spend to 45 degree reliability services from outer indoor return air temperature-20; Outer indoor return air temperature-50 degree need be responsible for providing low-temperature receiver by other equipment to-20 degree.
In sum, current mine centralized Control cabinet need adopt the plurality of devices including air-conditioning to guarantee that it normally moves, and causes equipment many, system complex, and operational reliability is low, needs professional to safeguard.
Summary of the invention
Object of the present invention will overcome above-mentioned shortcoming exactly, aims to provide a kind of air-conditioning and control method thereof.
For achieving the above object, air-conditioning of the present invention, comprises compressor, fan governor, exhaust duct, Centralized Controller, expansion valve and fresh wind tube, also comprises evaporimeter, pressure sensor, condenser, vertical clapboard and diaphragm plate; Described compressor, fan governor and exhaust duct are arranged on the bottom of this air-conditioning side by side, and described Centralized Controller is arranged between diaphragm plate and compressor; Described expansion valve and described pressure sensor are arranged on respectively the both sides of Centralized Controller, and described fresh wind tube is communicated with bottom and the described diaphragm plate of this air-conditioning; Described diaphragm plate and described vertical clapboard are connected, and described condenser and compressor, fan governor, exhaust duct, Centralized Controller, expansion valve, pressure sensor are separated to come.
Further, described diaphragm plate top is provided with the return air temperature sensor for detection of indoor return air temperature.
Further, the top of described diaphragm plate is provided with auxiliary electrical heater and pressure fan.
Further, described electrical heating is positioned at the both sides of pressure fan.
Further, described diaphragm plate top is also provided with evaporimeter.
The present invention also discloses a kind of control method of air-conditioning, comprises the following steps:
Return air temperature sensor gathers indoor temperature, carries out fault judgement simultaneously and reports to the police;
Start air-conditioning, proceed fault judgement and report to the police;
If above-mentioned fault judgement is reported to the police, be determined with fault, stop air-conditioning; If judgement fault-free, pressure fan operation;
Judging whether to provide low-temperature receiver, if so, judges temperature;
External environment temperature and preset temperature contrast, if external environment temperature is more than or equal to preset temperature, compressor freezes; If external environment temperature is less than preset temperature, adopt natural cooling source refrigeration.
Above-mentioned compressor and auxiliary electrical heater are carried out to fault judgement warning, if fault-free, blower fan keeps operation.
Further, described in, judge whether to provide low-temperature receiver to comprise the steps:
If indoor temperature is more than or equal to preset temperature, be judged as low-temperature receiver need to be provided, otherwise, do not need low-temperature receiver.
Further, described auxiliary electrical heater is indoor return air heating.
Compared with prior art, technical scheme of the present invention has the following advantages: by control device being connected by diaphragm plate and vertical clapboard such as compressor, Centralized Controller, exhaust duct, fan governor, pressure sensor, expansion valves, above-mentioned parts are isolated with external environment with indoor connection, optimal control logic, when external environment is cold, ingeniously must utilize extraneous low-temperature receiver to freeze, the defect that the air-conditioning that has overcome prior art can not be used and store at utmost point cold environment lower compression machine and cold-producing medium.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of air-conditioning of the present invention;
Fig. 2 is the control method flow chart of air-conditioning of the present invention;
Fig. 3 is the flow chart that maintains malleation method in cabinet of air-conditioning of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.
As shown in Figure 1, air-conditioning of the present invention, comprises compressor 1, fan governor 2, exhaust duct 3, Centralized Controller 4, expansion valve 5 and fresh wind tube 7, also comprises pressure sensor 6, condenser 9, vertical clapboard 10 and diaphragm plate 11; Described compressor 1, fan governor 2 and exhaust duct 3 are arranged on the bottom of this air-conditioning side by side, and described Centralized Controller 4 is arranged between diaphragm plate 11 and compressor 1; Described expansion valve 5 and described pressure sensor 6 are arranged on respectively the both sides of Centralized Controller 4, and described fresh wind tube 7 is communicated with bottom and the described diaphragm plate 11 of this air-conditioning; Described diaphragm plate 11 and described vertical clapboard 10 are connected, described condenser 9 and compressor 1, fan governor 2, exhaust duct 3, Centralized Controller 4, expansion valve 5, pressure sensor 6 are separated to come, guarantee that compressor 1, fan governor 2, exhaust duct 3, Centralized Controller 4, expansion valve 5, pressure sensor 6 these control components and parts and external environment are isolated, prevent from running into utmost point cold environment and cause compressor 1 to work.Pressure sensor 6, for detection of indoor pressure, by the control of Centralized Controller 4, maintains indoor positive pressure.
Described diaphragm plate 11 tops are provided with the return air temperature sensor 12 for detection of indoor return air temperature, Centralized Controller 4 gathers external environment temperature, for determining, be directly send Environmental cold source or freeze by compressor 1, if adopting, Centralized Controller 4 judgements directly send Environmental cold source, close compressor 1, external source is the indoor cold wind that send by fresh wind tube 7 and pressure fan 13; Otherwise if Centralized Controller 4 judgements adopt compressor cooling, compressor 1 is normally worked, after refrigeration, by pressure fan 13, be the indoor cold wind that send.
The top of described diaphragm plate 11 is provided with auxiliary electrical heater 14 and pressure fan 13, heats cold indoor temperature.
Described electrical heating 14 is positioned at the both sides of pressure fan 13.
Described diaphragm plate 11 tops are also provided with evaporimeter 8.
As shown in Figure 2, the present invention also discloses a kind of control method of air-conditioning, comprises the following steps:
Step S00: power-up initializing.
Step S01: return air temperature sensor 12 gathers indoor temperature, carries out fault judgement simultaneously and reports to the police.
Step S02: start air-conditioning, proceed fault judgement and report to the police.
Step S03: be determined with fault if the judgement of above-mentioned fault is reported to the police, stop air-conditioning; If judgement fault-free, pressure fan 13 moves.
Step S04: judging whether to provide low-temperature receiver, if so, judges temperature.
Above-mentionedly judge whether to provide low-temperature receiver to comprise that indoor temperature and preset temperature judge, indoor temperature is responded to gained by return air temperature sensor 12, preset temperature is that Centralized Controller 4 is set, and when indoor temperature is more than or equal to preset temperature, is judged as and needs low-temperature receiver; Otherwise, not needing refrigeration, auxiliary electrical heater 14 carries out hyperthermic treatment for indoor return air.
Step S05: above-mentioned judgement temperature comprises: external environment temperature and preset temperature contrast, if external environment temperature is more than or equal to preset temperature, compressor 1 freezes; If external environment temperature is less than preset temperature, provide Environmental cold source.
Step S06: above-mentioned compressor 1 and auxiliary electrical heater 14 are carried out to fault judgement warning, if fault-free keeps pressure fan 13 to keep operation.
The precision equipment of centralized Control cabinet the inside need move under clean environment, and mine, because of its particularity, is dust in environment everywhere, and therefore the present invention also provides a kind of method that maintains malleation in cabinet, prevents that dust from sucking, and as shown in Figure 3, concrete steps are as follows:
Step Q00: initialize.
Step Q01: pressure sensor 6 gathers indoor positive pressure, and carry out fault judgement and report to the police.
Step Q02: start air-conditioning, proceed fault judgement and report to the police.
Step Q03: be determined with fault if the judgement of above-mentioned fault is reported to the police, stop air-conditioning; If judgement fault-free, pressure fan 13 moves.
Step Q04: the new air temperature to input is judged, if new air temperature is more than or equal to-15 degree, new air-valve is opened, on the contrary exhaust valve is opened.
Step Q05: judge pressure;
Step Q06: carry out fault verification, as fault-free, keep pressure fan operation.
The present invention is by control device being connected by diaphragm plate and vertical clapboard such as compressor, Centralized Controller, exhaust duct, fan governor, pressure sensor, expansion valves, above-mentioned parts are isolated with external environment with indoor connection, optimal control logic, when external environment is cold, ingeniously must utilize extraneous low-temperature receiver to freeze, the defect that the air-conditioning that has overcome prior art can not be used and store at utmost point cold environment lower compression machine and cold-producing medium.
In sum, above-mentioned embodiment is not restricted embodiment of the present invention, and the modification that all those skilled in the art carry out on the basis of flesh and blood of the present invention or equivalent deformation, all at technology category of the present invention.
Claims (8)
1. an air-conditioning, comprise compressor (1), fan governor (2), exhaust duct (3), Centralized Controller (4), expansion valve (5) and fresh wind tube (7), it is characterized in that: also comprise pressure sensor (6), condenser (9), vertical clapboard (10) and diaphragm plate (11); Described compressor (1), fan governor (2) and exhaust duct (3) are arranged on the bottom of this air-conditioning side by side, and described Centralized Controller (4) is arranged between diaphragm plate (11) and compressor (1); Described expansion valve (5) and described pressure sensor (6) are arranged on respectively the both sides of Centralized Controller (4), and described fresh wind tube (7) is communicated with bottom and the described diaphragm plate (11) of this air-conditioning; Described diaphragm plate (11) and described vertical clapboard (10) are connected, and described condenser (9) and compressor (1), fan governor (2), exhaust duct (3), Centralized Controller (4), expansion valve (5), pressure sensor (6) are separated to come.
2. air-conditioning as claimed in claim 1, is characterized in that: described diaphragm plate (11) top is provided with the return air temperature sensor (12) for detection of indoor return air temperature.
3. air-conditioning as claimed in claim 2, is characterized in that: the top of described diaphragm plate (11) is provided with auxiliary electrical heater (14) and pressure fan (13).
4. air-conditioning as claimed in claim 3, is characterized in that: described electrical heating (14) is positioned at the both sides of pressure fan (13).
5. air-conditioning as claimed in claim 4, is characterized in that: described diaphragm plate (11) top is also provided with evaporimeter (8).
6. a control method for air-conditioning, is characterized in that: comprise the following steps:
Return air temperature sensor gathers indoor temperature, carries out fault judgement simultaneously and reports to the police;
Start air-conditioning, proceed fault judgement and report to the police;
If above-mentioned fault judgement is reported to the police, be determined with fault, stop air-conditioning; If judgement fault-free, pressure fan operation;
Judging whether to provide low-temperature receiver, if so, judges temperature;
External environment temperature and preset temperature contrast, if external environment temperature is more than or equal to preset temperature, compressor freezes; If external environment temperature is less than preset temperature, provide Environmental cold source;
Above-mentioned compressor and auxiliary electrical heater are carried out to fault judgement warning, if fault-free, pressure fan keeps operation.
7. air conditioning control method as claimed in claim 6, is characterized in that: described in judge whether to provide low-temperature receiver to comprise the steps:
If indoor temperature is more than or equal to preset temperature, be judged as low-temperature receiver need to be provided, otherwise, do not need low-temperature receiver.
8. the air conditioning control method as described in claim 1 to 6 any one, is characterized in that: described auxiliary electrical heater (14) is indoor return air heating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410046265.5A CN103759337B (en) | 2014-02-10 | 2014-02-10 | A kind of air-conditioning and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410046265.5A CN103759337B (en) | 2014-02-10 | 2014-02-10 | A kind of air-conditioning and control method thereof |
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| CN103759337A true CN103759337A (en) | 2014-04-30 |
| CN103759337B CN103759337B (en) | 2016-04-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107917515A (en) * | 2017-11-28 | 2018-04-17 | 广东美的暖通设备有限公司 | Progress control method, operating control device and air conditioner |
| CN109612020A (en) * | 2018-11-28 | 2019-04-12 | 宁波奥克斯电气股份有限公司 | A kind of control method and its air conditioner of air conditioner |
| CN109838878A (en) * | 2017-11-25 | 2019-06-04 | 秦皇岛欣蔚环保科技有限公司 | Control machine in haze fresh air purifying oxygenation room |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109838878A (en) * | 2017-11-25 | 2019-06-04 | 秦皇岛欣蔚环保科技有限公司 | Control machine in haze fresh air purifying oxygenation room |
| CN107917515A (en) * | 2017-11-28 | 2018-04-17 | 广东美的暖通设备有限公司 | Progress control method, operating control device and air conditioner |
| CN107917515B (en) * | 2017-11-28 | 2020-01-31 | 广东美的暖通设备有限公司 | Operation control method, operation control device and air conditioner |
| CN109612020A (en) * | 2018-11-28 | 2019-04-12 | 宁波奥克斯电气股份有限公司 | A kind of control method and its air conditioner of air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103759337B (en) | 2016-04-27 |
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Inventor after: Wu Qiliang Inventor after: Zheng Bin Inventor before: Chen Feng |
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