CN105066294A - Intelligent air conditioner for industrial electrical cabinet - Google Patents
Intelligent air conditioner for industrial electrical cabinet Download PDFInfo
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- CN105066294A CN105066294A CN201510450109.XA CN201510450109A CN105066294A CN 105066294 A CN105066294 A CN 105066294A CN 201510450109 A CN201510450109 A CN 201510450109A CN 105066294 A CN105066294 A CN 105066294A
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- Prior art keywords
- refrigeration
- compressor
- single cycle
- condenser
- temperature sensor
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B5/00—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity
- F25B5/02—Compression machines, plants or systems, with several evaporator circuits, e.g. for varying refrigerating capacity arranged in parallel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
Abstract
The industrial electrical cabinet intelligent air conditioner comprises a compressor, a condenser, a throttle valve and an evaporator which are fixed by a fixed frame, wherein the condenser and the evaporator are arranged according to a left-right structure and are vertically fixed and incline forwards or backwards, two air supply channels are formed through the fixed frame, and the air supply directions are opposite. The method can realize high reliability, high flexibility and high-precision control, and has higher mean time between failures and lower energy consumption. The heat exchange efficiency of the evaporator and the condenser is high, and the maintenance period of the normal refrigeration efficiency is long.
Description
Technical field
The present invention relates to a kind of refrigeration plant, particularly the refrigeration plant that freezes of a kind of outdoor electrical.
Background technology
Industrial air-conditioning is widely used in every profession and trade kind, comparatively common industrial air-conditioning often coordinates with equipment enclosure, meet the application demand of industry, cardinal principle is the low temperature low pressure gas refrigerant that compressor sucks flash-pot, then it is collapsed into the gas coolant of HTHP discharged to condenser, the high temperature and high pressure gas refrigerant entered in condenser is blown to its cooling under the effect of fan, the refrigerant changing middle temperature high-pressure gas-liquid admixture gradually into carries out heat absorption evaporation gasification refrigeration through (expansion) choke valve expenditure and pressure injection stream to evaporimeter, then the refrigerant after gasification is sucked by compressor again, go round and begin again, complete refrigeration.
When installation environment is loose, equipment enclosure space is also relatively well-to-do, less demanding to the industrial air-conditioning physical dimension meeting refrigeration performance.But some industry device is due to by the restriction of assembly space and the particularity of product self, refrigeration air-conditioner general on market is difficult to the actual demand directly meeting him, such as outdoor media LED LCD advertisement machine, high ferro electric cabinet and military industry regulator cubicle etc.And simply existing air-conditioning products is directly applied to these equipment and often there is critical defect, be mainly manifested in be not suitable with environment for use cause highly energy-consuming phenomenon, heat-exchanging part by environmental disturbances, refrigerating efficiency occurs reducing phenomenon fast.
According to the environment for use of harshness, can consider that carrying out following structure improves to existing defective resolving ideas:
Change refrigerant system configurations, improve refrigerating efficiency, improve accommodation;
Change the heat exchange structure of evaporimeter, improve or maintaining heat exchange efficiency;
Change the heat exchange structure of condenser, improve or maintaining heat exchange efficiency.
Summary of the invention
The object of this invention is to provide a kind of industrial electro gas holder intelligent air condition, solving existing industrial air-conditioning can not effectively adapt to harsh installation environment, causes the technical problem that energy consumption cannot reduce.
Industrial electro gas holder intelligent air condition of the present invention, shell comprises compressor, condenser, choke valve and the evaporimeter fixed by fixed frame, described condenser and evaporimeter are pressed tiled configuration and are laid, vertically fixing, tilt forward or backward, form two air-supply passages by fixed frame, send contrary with refrigerant flow direction.
Comprise the first compressor, the first condenser, first throttle valve and the first evaporimeter, form the first refrigeration single cycle, also comprise the second compressor, the second condenser, second throttle and the second evaporimeter, form the second refrigeration single cycle, to be that front and back are two-layer be arranged in parallel for first evaporimeter and the second evaporimeter, tilt backwards, to be that front and back are two-layer be arranged in parallel for the first condenser and the second condenser, turns forward.
The lower end of described evaporimeter is that refrigerant flows into end, and upper end is refrigerant outflow end, and refrigerant flow direction is contrary with air supply direction, and the upper end of described condenser is that refrigerant flows into end, and lower end is refrigerant outflow end, and refrigerant flow direction is contrary with air supply direction.
Also comprise the signal processor of two active and standby settings, for providing the universal input and output port receiving and send signal, according to the status signal variation tendency of parts in each refrigeration single cycle that sensor receives, generate the single-cycle start-stop control signal of each refrigeration, refrigeration work consumption control signal;
The corresponding universal input and output port of the control signal input of described first compressor and the second compressor connection signal processor respectively sets up control signal link; The corresponding universal input and output port of the control signal input of first throttle valve and second throttle connection signal processor respectively sets up control signal link.
The first temperature sensor is comprised in the first refrigeration single cycle, the second temperature sensor is comprised in the second refrigeration single cycle, the corresponding universal input and output port of the signal output part connection signal processor of the first temperature sensor sets up status signal link, and the corresponding universal input and output port of the signal output part connection signal processor of the second temperature sensor sets up status signal link.
In described first refrigeration single cycle, the first controllable silicon 16 of connecting in the control signal link of the first compressor, for controlling start and stop and/or the refrigeration work consumption of the first compressor; To connect in the control signal link of first throttle valve the second controllable silicon 17, for controlling switch and/or the flow of first throttle valve;
In second refrigeration single cycle, the 3rd controllable silicon 26 of connecting in the control signal link of the second compressor, for controlling start and stop and/or the refrigeration work consumption of the second compressor; Series connection the 4th controllable silicon 27 in the control signal link of second throttle, for controlling switch and/or the flow of second throttle.
Also humidity sensor is comprised or/and harmful gas sensor in described first temperature sensor and the second temperature sensor.
Described industrial electro gas holder intelligent air condition, the control procedure of refrigeration comprises the following steps:
Industrial electro gas holder intelligent air condition powers up, and signal processor prioritizing selection is the first refrigeration single cycle such as, receives the collection signal of the first temperature sensor;
According to the environment temperature that the first temperature sensor gathers, with parameter-embedded threshold comparison, complete the startup of the first compressor, in the first compressor operating process, open first throttle valve;
According to the temperature changing trend of the first refrigeration single cycle parts that the first temperature sensor gathers, regulate the running status of the first compressor, first throttle valve;
By the running status of the first compressor, first throttle valve, with parameter-embedded threshold comparison, complete the startup of the second compressor, in the second compressor operating process, open second throttle;
According to the temperature changing trend of the first refrigeration single cycle parts, and the temperature changing trend of the single cycle parts that freeze according to second of the second temperature sensor collection, regulate the running status of the second compressor, second throttle.
The control procedure of refrigeration is further comprising the steps of:
When the first refrigeration single cycle is run, according to the temperature changing trend of the first refrigeration single cycle parts that the first temperature sensor gathers, with parameter-embedded threshold comparison, start the second refrigeration single cycle, stop the first refrigeration single cycle;
When the second refrigeration single cycle is run, according to the temperature changing trend of the second refrigeration single cycle parts that the second temperature sensor gathers, with parameter-embedded threshold comparison, start the first refrigeration single cycle, stop the second refrigeration single cycle.
The control procedure of refrigeration is further comprising the steps of:
Regulate the running status of the first compressor by the control voltage of adjustment first controllable silicon 16 control end, the running status of first throttle valve passes through the control voltage of adjustment second controllable silicon 17 control end;
Regulate the running status of the second compressor by the control voltage of adjustment the 3rd controllable silicon 26 control end, the running status of second throttle passes through the control voltage of adjustment the 4th controllable silicon 27 control end.
Industrial electro gas holder intelligent air condition of the present invention can realize high reliability, high flexibility, high precision control; Each refrigeration single cycle have employed completely independently single, double cooling cycle system and the automatic change according to real time temperature and the alternation that realizes single, double system runs, to air quality, temperature, that humidity carries out regulable control is more accurate, controllable silicon is contactless, and output is more reliable, the automatic alternation of single, double cooling cycle system, dash current is little, energy-efficient.There is higher MTBF and lower energy consumption.Evaporimeter and condenser heat exchanger effectiveness high, it is longer that normal refrigerating efficiency maintains the cycle.
Accompanying drawing explanation
Fig. 1 is the system architecture schematic diagram of industrial electro gas holder intelligent air condition of the present invention;
Fig. 2 is the mounting structure schematic diagram of industrial electro gas holder intelligent air condition of the present invention;
Fig. 3 is that cross-sectional schematic is looked on a left side for the heat exchange structure of the evaporimeter of industrial electro gas holder intelligent air condition of the present invention;
Fig. 4 is that cross-sectional schematic is looked on a left side for the heat exchange structure of the condenser of industrial electro gas holder intelligent air condition of the present invention;
Fig. 5 is the another kind of heat exchange structure schematic diagram of the evaporimeter of industrial electro gas holder intelligent air condition of the present invention;
Fig. 6 is the another kind of heat exchange structure schematic diagram of the condenser of industrial electro gas holder intelligent air condition of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
As shown in Figure 1, the industrial electro gas holder intelligent air condition of the present embodiment comprises the signal processor 09 of two active and standby settings, also comprise the first refrigeration single cycle that the first compressor 11, first condenser 12, first throttle valve 13 and the first evaporimeter 14 are formed, also comprise the second refrigeration single cycle that the second compressor 21, second condenser 22, second throttle 23 and the second evaporimeter 24 are formed, wherein:
Signal processor 09, for providing the universal input and output port receiving and send signal, according to the status signal variation tendency received, generates the single-cycle start-stop control signal of each refrigeration, refrigeration work consumption control signal;
The corresponding universal input and output port of the control signal input of the first compressor 11 and the second compressor 21 connection signal processor 09 respectively sets up control signal link; The corresponding universal input and output port of the control signal input of first throttle valve 13 and second throttle 23 connection signal processor 09 respectively sets up control signal link;
The first temperature sensor 15 is comprised, for gathering the state of temperature change of condenser, evaporimeter, air outlet, air inlet and environment temperature in the first refrigeration single cycle in the first refrigeration single cycle; The second temperature sensor 25 is comprised, for gathering the state of temperature change of condenser, evaporimeter, air outlet, air inlet and environment temperature in the second refrigeration single cycle in the second refrigeration single cycle;
The corresponding universal input and output port of the signal output part connection signal processor 09 of the first temperature sensor 15 sets up status signal link, and the corresponding universal input and output port of the signal output part connection signal processor 09 of the second temperature sensor 25 sets up status signal link;
In the first refrigeration single cycle, the first controllable silicon 16 of connecting in the control signal link of the first compressor 11, for controlling start and stop and/or the refrigeration work consumption of the first compressor 11; To connect in the control signal link of first throttle valve 13 second controllable silicon 17, for controlling switch and/or the flow of first throttle valve 13;
In the second refrigeration single cycle, the 3rd controllable silicon 26 of connecting in the control signal link of the second compressor 21, for controlling start and stop and/or the refrigeration work consumption of the second compressor 21; Series connection the 4th controllable silicon 27 in the control signal link of second throttle 23, for controlling switch and/or the flow of second throttle 23;
In first temperature sensor 15 and the second temperature sensor 25 can also additional moisture sensor and pernicious gas as CO, CO2, sulfide ion sensor.
The industrial electro gas holder intelligent air condition of the present embodiment carries out the control procedure of freezing, and comprises the following steps:
Industrial electro gas holder intelligent air condition powers up, and signal processor 09 prioritizing selection is the first refrigeration single cycle such as, receives the collection signal of the first temperature sensor 15;
According to the environment temperature that the first temperature sensor 15 gathers, with parameter-embedded threshold comparison, complete the startup of the first compressor 11, in the first compressor 11 running, open first throttle valve 13;
According to the temperature changing trend of the first refrigeration single cycle parts (comprising condenser, evaporimeter, air outlet, air inlet) that the first temperature sensor 15 gathers, regulate the running status of the first compressor 11, first throttle valve 13;
By the running status of the first compressor 11, first throttle valve 13, with parameter-embedded threshold comparison, complete the startup of the second compressor 21, in the second compressor 21 running, open second throttle 23;
According to the temperature changing trend of the first refrigeration single cycle parts, and the temperature changing trend of single cycle parts (comprising condenser, evaporimeter, air outlet, air inlet) of freezing according to second of the second temperature sensor 25 collection, regulate the running status of the second compressor 21, second throttle 23.
Above operation control method, can effectively reduce unnecessary high energy consumption.
Carry out the control procedure of freezing, further comprising the steps of:
When the first refrigeration single cycle is run, according to the temperature changing trend of the first refrigeration single cycle parts (comprising condenser, evaporimeter, air outlet, air inlet) that the first temperature sensor 15 gathers, with parameter-embedded threshold comparison, start the second refrigeration single cycle, stop the first refrigeration single cycle;
When the second refrigeration single cycle is run, according to the temperature changing trend of the second refrigeration single cycle parts (comprising condenser, evaporimeter, air outlet, air inlet) that the second temperature sensor 25 gathers, with parameter-embedded threshold comparison, start the first refrigeration single cycle, stop the second refrigeration single cycle.
Above operation control method, effectively can extend single refrigeration single-cycle service life.
A parameter-embedded threshold value for optimization, first refrigeration single cycle and second single-cycle built-in temperature parameter threshold that freezes keeps 5 degree of temperature difference.Make signal processor 09 can environmentally select initial single cycle, make two single-cycle refrigeration adjustable ranges of refrigeration and refrigeration work consumption curve milder in operation, avoid refrigeration work consumption curve peak power to be superposed to peaked shapes.
Carry out the control procedure of freezing, further comprising the steps of:
Regulate the running status of the first compressor 11 by the control voltage of adjustment first controllable silicon 16 control end (pole), the running status of first throttle valve 13 passes through the control voltage of adjustment second controllable silicon 17 control end (pole);
Regulate the running status of the second compressor 21 by the control voltage of adjustment the 3rd controllable silicon 26 control end (pole), the running status of second throttle 23 passes through the control voltage of adjustment the 4th controllable silicon 27 control end (pole).
Above operation control method, effectively can reduce switch, start/stop impact electric current, energy-efficient.
Carry out the control procedure of freezing, further comprising the steps of:
Gather the additional moisture sensor in the first temperature sensor 15 or the second temperature sensor 25 and/or harmful gas sensor signal, with parameter-embedded threshold comparison, force corresponding refrigeration single cycle out of service, and send alarm signal to host computer.Make the present invention can be applied to comparatively harsh work condition environment.
Above operation control method, can form bottom alarm signal, preferentially take quarantine measures, reduces the potential risk of main equipment.
Different from topology layout before and after the high and low pressure of product in prior art, embodiments of the invention adopt tiled configuration layout.
As shown in Figure 2, the industrial electro gas holder intelligent air condition of the present embodiment comprises a shell 31, shell comprises the fixed frame 32 of fixing each refrigeration single cycle parts, the single-cycle high-pressure side of each refrigeration and low-pressure side are pressed tiled configuration and are laid, high-pressure side first condenser 12 and the second condenser 22 are fixed on the left of in shell 31 by fixed frame 32, upper position, and low-pressure side first evaporimeter 14 and the second evaporimeter 24 are fixed on the medium position on right side in shell 31 by fixed frame 32; Fix the first high blast blower fan 33 in the bottom of the first condenser 12 and the second condenser 22 by fixed frame 32, fix the second high blast blower fan (circulating fan) 34 on the top of the first evaporimeter 14 and the second evaporimeter 24 by fixed frame 32.
The layout structure of the present embodiment forms two relatively independent air-supply passages by fixed frame 32, air supply direction is contrary, open cover plate of outer casing and can access all modular members, safeguard very convenient, high and low pressure crosswind road solid is long and narrow, hot and cold go out return air inlet distance, can to prevent out, return air path short circuit, to make that wind energy is more scientific to be utilized fully; And form independently wind loop structure by fixed structure; It is compacter that this layout is conducive to product structure, and cabinet size is ultra-thin, and Total Product thickness can be only 99mm, is that the industrial electro gas holder air-conditioning of Same Efficieney is the thinnest; Realize mounting means variation, optional inner side hangs installs, and outside hangs installs, and lands the various ways such as installation.
As shown in Figure 3, to be that front and back are two-layer be arranged in parallel the heat exchange structure of the first evaporimeter 14 and the second evaporimeter 24, first evaporimeter 14 and the second evaporimeter 24 are respectively a tabular pipe-coil type evaporator, in the axial direction on coil pipe around fin, first evaporimeter 14 and the second evaporimeter 24 are erect and are tilted backwards 6 degree, refrigerant flows into end 41 in the lower end of each evaporimeter, and refrigerant outflow end 42 is at each upper end of evaporator.
As shown in Figure 4, to be that front and back are two-layer be arranged in parallel the heat exchange structure of the first condenser 12 and the second condenser 22, first condenser 12 and the second condenser 22 are respectively a tabular coiled tube condenser, in the axial direction on coil pipe around fin, first condenser 12 and the second condenser 22 are erect and are turned forward 6 degree, refrigerant flows into end 41 in the upper end of each condenser, and refrigerant outflow end 42 is in the lower end of each condenser.
Refrigerant flow direction in actual motion: from top to bottom flow within the condenser, the first high blast blower fan 33 forms 3d air delivery from bottom to top, and the heat of high temperature very first time of topmost is carried away by the wind, and from top to bottom progressively realizes cooling medium liquefaction overall process; In evaporimeter from bottom to top, under the effect of the second high blast blower fan 34, make liquid refrigerants absorb heat rapidly evaporate gasification.Evaporimeter can be made like this to obtain the liquid refrigerants of better quality, improve coefficient of refrigerating performance.
The tabular coiled tube condenser and the tabular pipe-coil type evaporator that are positioned at front under preferable case belong to the first refrigeration single cycle parts.Evaporimeter is erect and is tilted backwards 6 degree, and condenser is erect and turned forward 6 degree is optimize angle, has effect outstanding especially for maintenance clean and refrigerant fluid interchange.
In order to avoid finned type heat exchanger, due to the dust granules, fibre suspension, the smog that often exist in extreme harsh industrial environment, the unfavorable factors such as corrosive gas, to heat exchanger performance and the tremendous influence in life-span, avoid reducing heat exchange efficiency, avoid causing between fin and block, and the manual cleaning caused thus safeguards the increase operation cost and workload brought, the invention provides a kind of air-supply of air channel separately refrigeration structure.
As shown in Figure 5, the first evaporimeter 14 and the second evaporimeter 24 be arranged in parallel, in the middle part of the inwall being vertically fixed on rectangular housing 51, and small angle inclination backward, refrigerant flows into end 41 in the lower end of each evaporimeter, and refrigerant outflow end 42 is at each upper end of evaporator;
The second high blast blower fan (circulating fan) 34 is fixed in the upper inside wall of rectangular housing 51, second high blast blower fan 34 adopts centrifugal blower, the rectangular housing 51 that air inlet is relative offers and filters air holes 52, air outlet points to the first evaporimeter 14 and the second evaporimeter 24 top;
In the inwall middle and lower part of rectangular housing 51, the first drip tray 53 of parallel fixed flat planar shape and the downward projected outline of the second drip tray 54, two drip trays partially overlap; The inwall of the left end of the first drip tray 53, front end, rear end and rectangular housing 51 is fixed, being fixed by the inwall of end, front end, rear end and rectangular housing 51 of the second drip tray 54;
Comprise the pipe 55 that leaks bottom through first drip tray 53, second drip tray 54 and rectangular housing 51, the water droplet in each drip tray is by flowing out outside rectangular housing 51 with the through hole of pipe 55 junction that leaks along the tube wall that leaks;
Below the second drip tray 54, the sidewall of rectangular housing 51 sets out air holes 56;
In the present embodiment, air enters before rectangular housing 51 through dust-filtering, each evaporator plate tube pitch is wider, spacing of fin is also wider, not easily form blocking again and affect heat exchanger effectiveness, the S type cold air duct formed in bottom, form the flow-disturbing of cold air, slow down the speed of large mass of water vapor, it is made to fall to each drip tray, effectively can avoid the harm that the condensing drip because taking out of when air-flow blows out causes electric components, eliminate the metal screen that like product adopts mostly, what it was arranged on that cold wind mouth carries out little water droplet blocks filtration, there is impact air-supply effect, hold susceptible to plugging defect.The present embodiment fully ensure that the permanently effective use of evaporimeter, improves cycle performance and the refrigerating efficiency of refrigeration system.
In order to accelerate the heat exchanger effectiveness of condenser further, need to do further optimization to the radiator structure of condenser heat exchange heat radiation.
As shown in Figure 6, first condenser 12 (or second condenser 22) comprises a cylinder radiator 61, the coil pipe of condenser along cylinder radiator 61 axis direction from top to bottom, spiral wrap on cylinder radiator 61 sidewall, refrigerant flows into end 41 in the upper end of condenser, and refrigerant outflow end 42 is in the lower end of condenser;
One is optimized structure, and the coil pipe of the first condenser 12 and the second condenser 22, twines distance along identical, from top to bottom along cylinder radiator 61 axis direction, and spiral wrap on cylinder radiator 61 sidewall, two coil pipes are parallel;
Cylinder radiator 61 is a cylinder, with cylindrical axis being parallel, runs through the upper and lower end face of cylinder, from inside to outside radially, and uniform thermal vias 62, the circumferentially uniform heat radiation groove 63 in direction;
The cross section of thermal vias 62 is isosceles trapezoid or rectangle, and the thermal vias 62 apart from axis same distance surrounds concentric circles, heat radiation groove 63 by the degree of depth of notch to trench bottom, along the cyclically-varying of cylinder circumference;
Cylindrical center comprises a central through hole 64, the inwall of central through hole 64 is circumferentially evenly offered the V-arrangement groove with axis being parallel;
The opening part cell wall of heat radiation groove 63, relatively outstanding, form top-down contact end face 65, contact end face 65 is the cambered surface along cylinder circumference.
In the present embodiment, refrigerant flows from top to bottom along the axis direction of cylinder radiator 61 in spiral coil, simultaneously in spiral coil refrigerant along coil pipe axial flow, rotation, helix tube keeps augmentation of heat transfer, forms sufficient heat exchange keeping flowing with refrigerant in the Secondary Flow process rotated with the relative end face 65 that contacts given prominence to of opening part of heat radiation groove 63.
Because this condenser is three-dimensional assembling mode, high blast blower fan is three-dimensional powerful air-supply from bottom to top, and condenser is arranged in a long and narrow three-dimensional air channel, the peculiar trend of coil pipe and the spiral type of cooling in addition, substantially increase heat exchange efficiency and save assembly space, coefficient of refrigerating performance is improved.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (10)
1. industrial electro gas holder intelligent air condition, shell (31) comprises by fixing compressor, condenser, choke valve and the evaporimeter of fixed frame (32), it is characterized in that: described condenser and evaporimeter are laid by tiled configuration, vertically fixing, tilt forward or backward, form two air-supply passages by fixed frame (32), air supply direction is contrary with refrigerant flow direction.
2. industrial electro gas holder intelligent air condition as claimed in claim 1, it is characterized in that: comprise the first compressor (11), first condenser (12), first throttle valve (13) and the first evaporimeter (14), form the first refrigeration single cycle, also comprise the second compressor (21), second condenser (22), second throttle (23) and the second evaporimeter (24), form the second refrigeration single cycle, first evaporimeter (14) and the second evaporimeter (24) be arranged in parallel for front and back are two-layer, tilt backwards, first condenser (12) and the second condenser (22) be arranged in parallel for front and back are two-layer, turn forward.
3. industrial electro gas holder intelligent air condition as claimed in claim 2, it is characterized in that: the lower end of described evaporimeter is that refrigerant flows into end (41), upper end is refrigerant outflow end (42), refrigerant flow direction is contrary with air supply direction, the upper end of described condenser is that refrigerant flows into end (41), lower end is refrigerant outflow end (42), and refrigerant flow direction is contrary with air supply direction.
4. the industrial electro gas holder intelligent air condition as described in as arbitrary in claims 1 to 3, it is characterized in that: the signal processor (09) also comprising two active and standby settings, for providing the universal input and output port receiving and send signal, according to the status signal variation tendency of parts in each refrigeration single cycle that sensor receives, generate the single-cycle start-stop control signal of each refrigeration, refrigeration work consumption control signal;
The corresponding universal input and output port of control signal input difference connection signal processor (09) of described first compressor (11) and the second compressor (21) sets up control signal link; The corresponding universal input and output port of control signal input difference connection signal processor (09) of first throttle valve (13) and second throttle (23) sets up control signal link.
5. industrial electro gas holder intelligent air condition as claimed in claim 4, it is characterized in that: comprise the first temperature sensor (15) in the first refrigeration single cycle, the second temperature sensor (25) is comprised in the second refrigeration single cycle, the corresponding universal input and output port of the signal output part connection signal processor (09) of the first temperature sensor (15) sets up status signal link, and the corresponding universal input and output port of the signal output part connection signal processor (09) of the second temperature sensor (25) sets up status signal link.
6. industrial electro gas holder intelligent air condition as claimed in claim 5, it is characterized in that: in described first refrigeration single cycle, to connect in the control signal link of the first compressor (11) the first controllable silicon 16, for controlling start and stop and/or the refrigeration work consumption of the first compressor (11); To connect in the control signal link of first throttle valve (13) the second controllable silicon 17, for controlling switch and/or the flow of first throttle valve (13);
In second refrigeration single cycle, the 3rd controllable silicon 26 of connecting in the control signal link of the second compressor (21), for controlling start and stop and/or the refrigeration work consumption of the second compressor (21); Series connection the 4th controllable silicon 27 in the control signal link of second throttle (23), for controlling switch and/or the flow of second throttle (23).
7. industrial electro gas holder intelligent air condition as claimed in claim 6, is characterized in that: also comprise humidity sensor or/and harmful gas sensor in described first temperature sensor (15) and the second temperature sensor (25).
8. the industrial electro gas holder intelligent air condition as described in as arbitrary in claim 1 to 7, the control procedure of refrigeration comprises the following steps:
Industrial electro gas holder intelligent air condition powers up, and signal processor (09) prioritizing selection is the first refrigeration single cycle such as, receives the collection signal of the first temperature sensor (15);
According to the environment temperature that the first temperature sensor (15) gathers, with parameter-embedded threshold comparison, complete the startup of the first compressor (11), in the first compressor (11) running, open first throttle valve (13);
According to the temperature changing trend of the first refrigeration single cycle parts that the first temperature sensor (15) gathers, regulate the running status of the first compressor (11), first throttle valve (13);
By the running status of the first compressor (11), first throttle valve (13), with parameter-embedded threshold comparison, complete the startup of the second compressor (21), in the second compressor (21) running, open second throttle (23);
According to the temperature changing trend of the first refrigeration single cycle parts, and the temperature changing trend of the second refrigeration single cycle parts gathered according to the second temperature sensor (25), regulate the running status of the second compressor (21), second throttle (23).
9. industrial electro gas holder intelligent air condition as claimed in claim 8, the control procedure of refrigeration is further comprising the steps of:
When the first refrigeration single cycle is run, according to the temperature changing trend of the first refrigeration single cycle parts that the first temperature sensor (15) gathers, with parameter-embedded threshold comparison, start the second refrigeration single cycle, stop the first refrigeration single cycle;
When the second refrigeration single cycle is run, according to the temperature changing trend of the second refrigeration single cycle parts that the second temperature sensor (25) gathers, with parameter-embedded threshold comparison, start the first refrigeration single cycle, stop the second refrigeration single cycle.
10. industrial electro gas holder intelligent air condition as claimed in claim 9, the control procedure of refrigeration is further comprising the steps of:
Regulate the control voltage of running status by adjustment first controllable silicon 16 control end of the first compressor (11), the running status of first throttle valve (13) passes through the control voltage of adjustment second controllable silicon 17 control end;
Regulate the control voltage of running status by adjustment the 3rd controllable silicon 26 control end of the second compressor (21), the running status of second throttle (23) passes through the control voltage of adjustment the 4th controllable silicon 27 control end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510450109.XA CN105066294B (en) | 2015-07-28 | 2015-07-28 | Intelligent air conditioner for industrial electrical cabinet |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1966859A1 (en) * | 1968-09-09 | 1974-11-21 | Thermo Bauelement Ag | AIR COOLER |
| JP2002243319A (en) * | 2001-02-21 | 2002-08-28 | Daikin Ind Ltd | Air conditioner |
| CN101532747A (en) * | 2009-04-21 | 2009-09-16 | 四川长虹电器股份有限公司 | An air-conditioner |
| CN201615582U (en) * | 2010-02-11 | 2010-10-27 | 华北电力大学（保定） | Integrated energy-saving type air-conditioning unit for communication base station |
| CN202547171U (en) * | 2012-04-09 | 2012-11-21 | 上海冠生园食品有限公司 | Refrigeration system |
| CN104075392A (en) * | 2014-06-06 | 2014-10-01 | 同济大学 | Mixed refrigeration unit with double-circulation condenser for railway vehicle air conditioners |
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2015
- 2015-07-28 CN CN201510450109.XA patent/CN105066294B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1966859A1 (en) * | 1968-09-09 | 1974-11-21 | Thermo Bauelement Ag | AIR COOLER |
| JP2002243319A (en) * | 2001-02-21 | 2002-08-28 | Daikin Ind Ltd | Air conditioner |
| CN101532747A (en) * | 2009-04-21 | 2009-09-16 | 四川长虹电器股份有限公司 | An air-conditioner |
| CN201615582U (en) * | 2010-02-11 | 2010-10-27 | 华北电力大学（保定） | Integrated energy-saving type air-conditioning unit for communication base station |
| CN202547171U (en) * | 2012-04-09 | 2012-11-21 | 上海冠生园食品有限公司 | Refrigeration system |
| CN104075392A (en) * | 2014-06-06 | 2014-10-01 | 同济大学 | Mixed refrigeration unit with double-circulation condenser for railway vehicle air conditioners |
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| CN105066294B (en) | 2018-05-01 |
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