CN201038173Y - Multiple dot circulation water-cooling and heat storage device - Google Patents

Abstract

The utility model relates to a multi-point circulation water cooling temperature reduction and heat storage mechanism. In prior art, the raw material crystal silicon of a photovoltaic cell is extremely expensive without small yield, which leads to huge photovoltaic generation investment and high cost. The utility model aims at developing a multi-point circulation water cooling temperature reduction and heat storage mechanism in a nonuple iterated optical clock-controlled sun-following water-cooling temperature reduction photovoltaic generation device. The technical proposal is that the lower surface of a water storage tank is communicated with a water outlet manifold in a heat exchanger box body through a water pump, a water inlet main pipe and a water inlet manifold; the water outlet manifold is returned to be connected with the water storage tank by a main water outlet pipe, with crossly arrangement. The utility model has the effects of saving the photovoltaic battery by about 80 percent, saving the investment by about 60 percent, simplifying the processing operation and the production conditions, cheap cost, saving the energy resources, without environmental pollution, improving the utilization efficiency and implementing the industrialized production.

Description

Multiple spot recirculated water cooling cooling heat accumulation mechanism

One, technical field

The utility model relates to a kind of multiple spot recirculated water cooling cooling heat accumulation mechanism, and genus is the multiple spot recirculated water cooling cooling heat accumulation mechanism in a kind of novel photovoltaic generating system.

Two, background technology

In the prior art sunlight be environment protection clean use not to the utmost can give birth to the energy, photovoltaic generation is solar energy utilization one of method the most easily, but because the raw material of photovoltaic cell---silicon metal is very expensive, output is less, cause the photovoltaic generation investment huge, cost is higher, this is to influence the bottleneck that the photovoltaic generation large-scale promotion is used always, at present domestic have only the exemplary project of a small amount of small-scale in operation, outlying areas without electricity also has a small amount of small-sized scattered user by government-funded, it all is that the photovoltaic module fixed-direction is installed the direct generation of electricity, and cost performance is very poor.Reduce the cost cost to promote the photovoltaic generation needs of universal development on a large scale for satisfying photovoltaic industry, power output becomes one of method of many reduction costs of investment also along with the output characteristic that improves improves generating efficiency thereby save photovoltaic cell when utilizing photovoltaic cell to work as the light intensity increase.Based on this thinking, the invention of relevant concentrating to generate power frequently is seen in report.But all exist the many disadvantages can't practical application.

In addition, State Intellectual Property Office discloses a kind of full-reflection spotlight photovoltaic power generation apparatus on March 21st, 2007, its application number is 200620053874.4, its publication number is CN2882107, its structure is a kind of full-reflection spotlight photovoltaic power generation apparatus, mainly be installed in the bottom of a steelframe by the several piece level crossing, row's solar module is installed at the steelframe top, transducer and the electric-control system of one cover from the motion tracking sunray is installed on the steelframe, transmit signals to the sunray electric-control system by transducer from the motion tracking sunray, and by the rotation of electric control system controls driving mechanism drive steelframe, make the sunray plane of vertical cell panel all the time, the level crossing of steelframe bottom and the solar module angulation at steelframe top, this angle reflexes on the solar module light that shines level crossing and generates electricity.Its shortcoming is mechanism's complexity, one-directional rotation is east-west direction by all means, no matter North and South direction, in same day or the cosine effect is to the influence of optically focused amount greatly when changing the four seasons, the photovoltaic cell service efficiency weakens to some extent, (particularly in the winter time) must have the part photovoltaic cell according to less than sunlight when sun gradient is big simultaneously, is subjected to that the irregular photovoltaic module efficient of light reduces, the lost of life, when serious even may damage.

Three, technology contents

The purpose of this utility model is that power output becomes big output characteristic and develops multiple spot recirculated water cooling cooling heat accumulation mechanism in a kind of Nonuple clock control sun-facing and tracing water cooling formula photovoltaic power generation apparatus when utilizing photovoltaic cell to work as intensity of illumination to increase, and improves the service efficiency of photovoltaic cell.Reasonable in design, simple, processing is convenient again, improves service behaviour and adaptability at different regions and environment, increases work efficiency and practicality, improves the operation convenience, increases the service life, and reduces cost, and realizes suitability for industrialized production.Technical solution of the present utility model is as follows:

Multiple spot recirculated water cooling cooling heat accumulation mechanism, photovoltaic cell component 5 is arranged, it is characterized in that: the heat exchanger 15 that multiple spot recirculated water cooling cooling heat accumulation mechanism is installed in photovoltaic cell component 5, be communicated with heat exchanger casing 15 through water pump 20, the water inlet person in charge 18, water inlet arm 19 below the storage tank 22, exit branch 17 in heat exchanger casing 15 returns through primary flow pipe 16 and is connected to above the storage tank 22, and the water inlet person in charge 18 that whole circulation is decomposed into several zonule circulations is the multiple spot cross arrangement with primary flow pipe 16.Technical solution of the present utility model also comprises:

Described multiple spot recirculated water cooling cooling heat accumulation mechanism, it is characterized in that: in multiple spot recirculated water cooling cooling heat accumulation mechanism, photovoltaic cell component 5 frames and cover plate are formed heat exchanger casing 15, be communicated with radiator 25 below the storage tank 22, radiator 25 other ends are through water pump 20, the water-in and water-out arm 19 in heat exchanger casing 15 and 17 multiple spot cross arrangements.

Described multiple spot recirculated water cooling cooling heat accumulation mechanism, it is characterized in that: the water-in and water-out arm 19 in heat exchanger casing 15 and 17 and, water-in and water-out are responsible for 18 and 16 and form heat exchangers, heat exchanger is multiple spot recirculated water cooling cooling heat accumulation mechanism and photovoltaic module 5 becoming one, and photovoltaic cell component 5 working faces downwards.

Described multiple spot recirculated water cooling cooling heat accumulation mechanism is characterized in that: in multiple spot recirculated water cooling cooling heat accumulation mechanism, in photovoltaic module 5 surfaces temperature sensor 21 is arranged, transducer 21 outputs of control early warning temperature connect water pump 20 control ends.

The beneficial effect of the utility model technology:

1, the collection of this device daylight adopts reflective mirror directly to reflect daylight to photovoltaic module, the daylight of nine plane mirror reflections superposes on the working face of assembly simply, so we give its called after " the nine times of light that changes ", theoretically, repeatedly the light multiple can have multiple choices, selects for use nine times to take all factors into consideration such as various factors such as structural design, volume size, adjustment, cost control and fixed here.Its advantage (1). simplify daylight greatly and assembled manufacturing and designing of parts, need not special processing, the condensing member that is adopted in known several patented products particularly optical element all requires to make by design is strict, complex-shaped, required precision is high, some also needs special equipment, has increased processing cost undoubtedly.There is not this problem in this device, as long as just possess basic welding and machine and add condition and can practice midwifery.(2). directly adopt through original production producer by requirements of ordering goods (add the heat conductivility of the permission of imperial palace circuit by electric current, raising back side encapsulating material---these change encapsulating producer is simple thing very, the factor of decision is to order goods in batches) the finished product photovoltaic cell component that improved, need not to reprocess soldering in the our factory to the unit photovoltaic cell as other products, simplify manufacturing procedure, simplified working condition; Saved the cost of photovoltaic cell.(3). the photovoltaic cell component working face is towards oblique below, so need not to be provided with prevent to fall leaves, the member of foreign material such as birds droppings, the problem of " tropical island effect " can not take place.(4). the generating equipment with the daylighting of optically focused mode is very high to the requirement of following day machine, with a day precision error is arranged slightly, causes a series of problems thereby blooming effect promptly takes place.This device has strengthened the area of mirror surface, and the area that makes repeatedly the light hot spot can make batch (-type) root day become possibility simply and effectively to compensating with a day error greater than the photovoltaic module area, simplifies thereby make with corresponding the obtaining of design processing of day mechanism.We are referred to as " the facula area compensation is with a day precision techniques ".(5). in this device,,, need not to increase the even light parts of optics that other products must add behind optically focused so as long as mirror surface is enough smooth, then hot spot is uniformly because the hot spot that is radiated on the photovoltaic module is the stack of nine plane reflection light.(6) core of saving photovoltaic generation also is expensive component---photovoltaic cell is about 80%, saves investment about 60%.Simplified greatly daylight assemble parts, with day mechanism manufacture and design, need not special processing, simplified manufacturing procedure, simplified working condition, with low cost.Save the energy, non-environmental-pollution.Improved the service efficiency of photovoltaic cell.Thereby reduce cost, realize suitability for industrialized production.

2, compare with other concentrating to generate power products, clock control batch (-type) of the present utility model is semi-automatic to be mainly reflected in as follows with a day mechanical feature:

For tellurian certain a bit, sun every day is according to the uniform rotation from east to west of certain special angle.This angle is except that outside the Pass having with the earth's axis inclination angle, also because of seasonal variations difference every day; Owing to be located in the latitude difference, the various places angle is also different; Because the influence of atmospheric refraction effect, the true angle of the actual incident angle and the sun is also incomplete same.Therefore concerning all used the concentrating device of following day mechanism, the design of rotational angle and speed definite (promptly realizing accurately following day) all was very difficult problem.This device is based on following analysis: the rotational angle of the sun as require and not really strict prerequisite under, the rotation that is decomposed into east-west direction and North and South direction that can be similar to.East-west direction per hour rotates about 15 degree, i.e. per minute 0.4 degree.North and South direction except that rotate according to fixing ground axial rake change, also change about 0.25 degree every day because of seasonal variations.If the compensation range of preamble described " facula area compensation with day a precision techniques " is enough big, then be easy to realize that at east-west direction batch (-type) follows a day technology.This device design compensation angle is ± 3 degree, can cover 7.5 minutes rotational angle.And the actual resting period of adopting 6 minutes, offset angle still has surplus.The way that North and South direction then adopts the fixing angle of plane of rotation and the face of land to add artificial regulatory realize with day, wherein fixed angle is by the difference of height decision of rotated bed seat bearings at both ends support, its concrete number of degrees are according to land used latitude of living in is determined, do local fine setting with the height adjusting screw rod 6 that is located at the high-end support of bearing during installation, substantially no longer change after adjusting; Angle changed adjusting rod 23 with rotated bed seat and speculum tray chamber and changed between the two angle season, per 10 days left and right sides manual adjustment once, about regulated quantity about 2.5 is spent, also in aforementioned offset angle coverage.So only increased few labor workload, just solved satisfactorily with day this hard nut to crack of precision.Because mass centre's (center of gravity) of whole rotatable parts can't drop on the rotation axis, when corner changed, driving torque changed more violent, and motor load is seriously inhomogeneous.Be head it off, between rotated bed seat 2 and base 1, balance spring 24 be installed,, change in torque can be controlled in the minimum scope by adjusting the spring tension size.

Major advantage: (1) is simple especially, with low cost with design, the processing of day mechanism.(2) saved power consumption to greatest extent.Device 24 hour operation 8 hours, about 1.2 degree of generating total amount under the normal condition (by the 250W generating capacity 60%); The photovoltaic cell that the utility model adopted as routine not optically focused do not use with under day condition, the generating total amount of every day only has about 0.25 degree.Its nominal power is 50W, is applied in this device and goes up the about 250W of equivalent power.Control system has only about 8-10 minute a round full time.By the input power 15W of system, only power consumption 0.0025 is spent.Consider system's trace service intermittent, the frequent starting electric current strengthens, and its power consumption also accounts for less than 1% of energy output.(3) because adopt the accuracy compensation technology to reduce to requirement with day precision, just mode such as available simple chain drive will be counted covering device and be connected to form the device cluster, only, more can save substantial contribution, and reduce the adjustment maintenance workload with a cover control system centralized control.

3, multiple spot recirculated water cooling cooling heat accumulation mechanism-heat exchanger, heat exchanger is the critical component of this part, it and becoming one of photovoltaic module; Entery and delivery port is set to the multiple spot cross arrangement, and the integral body circulation is decomposed into several zonule circulations, has so just solved the even problem of photovoltaic module inhomogeneous cooling satisfactorily.Main feature (1) can provide hot water to the user in generating, a tractor serves several purposes is saved the energy.(2) simple in structure, with low cost.(3) working service is easy.(4) can be easy transform the heat collector extended use as.

Four, description of drawings

Fig. 1 is the overall structure front-view schematic diagram; Fig. 2 is an overall structure side cross-sectional schematic; Fig. 3 is that the clock control batch (-type) is semi-automatic with a day structure cross-sectional schematic; Fig. 4 is the control circuit schematic diagram; Fig. 5 is a multiple spot recirculated water cooling cooling heat storage structure cross-sectional schematic.

Above-mentioned number in the figure explanation: 1-steel base, 2-rotated bed seat, 3-speculum carriage, 4-mirror surface, 5-photovoltaic cell component, 6-adjusting screw(rod), 7-bearing pedestal, 8-control cabinet chassis, 9-protective cover, 10-worm gear, 11-rotated bed seat axle, 12-master control is dialled stake, 13-group stake, 14-motor worm, 15-heat exchanger casing, 16-primary flow pipe, 17-exit branch, 18-water inlet is responsible for, 19-water inlet arm, 20-water pump, 21-temperature control sensor, 22-storage tank, 23-adjusting rod, 24-balance spring, 25-radiator, 26-lateral shaft, 27-longitudinal axis.

Five, embodiment

Referring to Fig. 1, Nonuple clock control sun-facing and tracing water cooling formula photovoltaic power generation apparatus be that repeatedly light photovoltaic generation mechanisms, clock control batch (-type) are semi-automatic with a day mechanism by nine times, and the cooling of the multiple spot recirculated water cooling in electrification component heat accumulation mechanism is formed.In nine times change light photovoltaic generation mechanism, base 1 is to be made by the shaped steel welding, two ends are provided with the support of bearing that rotated bed seat 2 is installed, two end supports height is different, the rotating shaft of rotated bed seat 2 is swung at an angle, the land used latitude of living in that makes about the same, its high-end support of bearing is provided with height adjusting screw rod 23, fine-tuning rotating shaft angle; The two end axles bearing all is connected with hinge with rotated bed seat 2 supports, to adapt to the needs of angular adjustment.Contrast is referring to Fig. 2, high-end bearing pedestal is installed with the semi-automatic control cabinet with day mechanism of clock control batch (-type) for 7 times, and control cabinet is made up of chassis 8 and protective cover 9, and rotated bed seat axle 11 and bearing pedestal 7 pass from the center, chassis, protective cover 9 is detachable, so that equipment is regulated maintenance.Rotated bed seat 2 is by shaped steel weldering system, L-shaped, two ends have on the bearing that is installed in base 1 and can sway, longitudinal axis 27 is exactly the axial line line of two axles, just around longitudinal axis 27 left-right rotation (be exactly with longitudinal axis 27 be the axle center do between east and west to rotation), angle of rotation is in 0-165 degree scope, be provided with auricle or the bearing that speculum carriage 3 usefulness are installed on the horizontal both sides of the horizontal pane of L shaped rotated bed seat 2, be provided with sleeve and trip bolt apart from the auricle certain distance, adjusting rod 23 with fixation reflex mirror bracket 3, make entire emission mirror bracket 3 around lateral shaft 26 front and back (promptly do the rotation of North and South direction with lateral shaft 26, rotatable angle is angle 47 degree of the north and south tropic) by manual adjustment rod 23.Central authorities are provided with balance spring 24 at the turning of L shaped rotated bed seat 2, and the spring lower end is installed on the crossbeam of base 1, keep the poised state of whole frame.Speculum carriage 3 also is by shaped steel weldering system, be nine lattice array-likes, all connect at a certain angle between every lattice, requirement is distributed on the burnt partially parabola that a central point with photovoltaic module 5 is a focus, accurately is superimposed upon same target with the reverberation of nine speculums 4 guaranteeing on it bonding---on the photovoltaic module 5.The daylight of nine plane mirror 4 reflections superposes on the working face of photovoltaic module 5 simply, so we give its called after " the nine times of light that changes ", theoretically, repeatedly the light multiple can have multiple choices, certainly also can be with 6,12 and 16, detailed directions is the same with 9, selects for use nine times to take all factors into consideration such as various factors such as structural design, volume size, adjustment, cost control and fixed here, and doing experiment also is to adopt 9.Leave suitable slit between every minute surface to reduce windage.The array bottom is connected by structural strengthenings such as diagonal braces and with its underframe.The underframe front part sides is provided with the bearing auricle, and hinged with 2 realizations of rotated bed seat with axis (being lateral shaft 26), the both sides, rear portion respectively are provided with an adjusting rod 23, penetrates in the sleeve of rotated bed seat 2, in order to regulate the variation of sun irradiation angle under the Various Seasonal.Its rear end in order to place photovoltaic module 5, makes photovoltaic module 5 just in time be in the repeatedly hot spot center of speculum 4 with bolt one support.Speculum 4 basic demands are smooth, and reflection is even, the reflectivity height, and intensity is good.The size of its length and width is bigger than selected photovoltaic module 5, and is with a day error, just foregoing with a day accuracy compensation technology with compensation, thereby realizes the simplification of batch (-type) with day and Gen Ri mechanism.Minute surface 4 is with carriage 3 usefulness structure glue bonding and use the weather-resistant glue sealing.Select finished product photovoltaic cell component 5 for use, its structure should be compact, and effectively the ratio of light-receiving area and assembly real area should be big as far as possible, and this area is than the size that directly influences whole device volume.The nominal power of assembly can determine that other agency cost proportions are more little when big more by actual conditions, and the unit power investment reduces, otherwise investment increases.But when nominal power was too big, the volume of whole device was affected its wind loading rating proportional increase.This device of experimental test digital proof can improve the photovoltaic module generating efficiency more than 5 times.When adopting a nominal power is 50W, conversion efficiency when being 15% finished product photovoltaic cell component, and this assembly area is about 0.42 square meter, and this device is equivalent to the 250W generating capacity.By 2000 yuan/cover, this device can be saved photovoltaic cell cost 60% to assembly by 40 yuan/W, other mechanism components.About about 4.5 square meters of speculum gross area this moment.If any the photovoltaic module of high-photoelectric transformation efficiency more, then volume more can dwindle.

Referring to Fig. 2, this is that the clock control batch (-type) is semi-automatic with a day mechanism, but the semi-automatic day mechanism of following of clock control batch (-type) of gyration is installed with adjusting screw(rod) 6 and bearing pedestal 7 on the base 1 horizontal high end support; A low-speed DC motor is fixed on the control cabinet chassis 8, and its motor shaft is output as worm screw 14, and both unifications abbreviate motor worm 14 as, and worm gear 10 is fixed on the rotated bed seat axle 11 that passes in the middle of the chassis 8.30 rev/mins of motor speeds, worm and wormwheel speed reducing ratio 180: 1, promptly the rotating speed of rotated bed seat 2 is 1 commentaries on classics/6 minutes.Because the total angle of rotation of rotated bed seat 2 has only the 0-165 degree, so the wrom tooth on the worm gear 10 only need be processed half cycle.8 one sides are fixed with group stake 13 that some (work total time its concrete quantity=resting period/every day) controls corner to worm gear 10 towards the chassis, circumference along same diameter is installed by the spacing of design, each dials the stake position of sun of 13 corresponding periods, and every spacing of dialling stake 13 all can be done an amount of adjustment by pairing position of sun.Other has one group of stake to be arranged separately on the position of different-diameter, is called master control and dials stake 12.

Referring to Fig. 3, control circuit is made up of following element: K1 is a total power switch, and KIL is the stroke master switch, and K2 is a clock pulse generator, J is a relay, K3 is a relay J switching node group, and K4 is a micro limit switch, and K5 is the return of stroke switch, S is the Electromagnetic Control brake, connect with motor, S unclamps when electrical power rotates, and S is locked during stall.K2 and relay J series connection are articulated on the battery pack that has K1, also are connected on the contact of K5 simultaneously.Stroke master switch KIL, micro limit switch K4, return of stroke K switch 5 is installed on the chassis 8.Contrast Fig. 1 and Fig. 2, its course of work is as follows: during (1) initial condition rotated bed seat 2 rest on east to, this moment, master control was dialled stake 12 at the K1L place, K1 is closed by interlock, K3 is normally closed, K4 often opens, K5 is in the return position.System is in resting state.(2) (8.55-8.59) operator manually is reset to K5 earlier the trace position in predetermined cut-in time (for example 9.00) arrives preceding 5 minutes, opens K1, and system promptly enters and treats operating state.(3) when K2 when 9.00 send first driving pulse, relay is inhaled, K3 opens, K3/K4 forms path, motor begins to drive worm gear and rotated bed seat 2 westwards rotates.Compressing K4 closes when first group of stake 13 forwards K4 to, rotates and suspends, and after this K3 is closed under pulse duration and relay J time-lag action, and motor is again by of short duration startup, and K4 opens when group stake 13 skids off the K4 scope, and rotation stops, and system enters again and treats operating state.Rotated bed seat 2 rests on the corresponding position of the sun at that time at this moment.When next driving pulse arrived, K3 opened again, running so repeatedly, and once circulation in per 6 minutes is dialled stake effect successively for every.(4) dial stake 12 when master control and rotate when running to K5 (when the rotated bed seat turns to the most western position of setting) with worm gear 10, K5 is pushed the return position, system begins the running that oppositely resets, master control is dialled stake 12 when returning back to KIL (east), K1 is closed by interlock, darg finishes, and system enters resting state again.

The control system onboard clock is about the DC pulse of 2.5 seconds (adjustable) when 6 minutes set times produced one, output is used for the relay J of Drive and Control Circuit after amplifying.

Compare with other concentrating to generate power products, the characteristics of this part are mainly reflected in as follows:

For tellurian certain a bit, sun every day is according to the uniform rotation from east to west of certain special angle.This angle is except that outside the Pass having with the earth's axis inclination angle, also because of seasonal variations difference every day; Owing to be located in the latitude difference, the various places angle is also different; Because the influence of atmospheric refraction effect, the true angle of the actual incident angle and the sun is also incomplete same.Therefore concerning all used the concentrating device of following day mechanism, the design of rotational angle and speed definite (promptly realizing accurately following day) all was very difficult problem.This device is based on following analysis: the rotational angle of the sun as require and not really strict prerequisite under, the rotation that is decomposed into east-west direction and North and South direction that can be similar to.East-west direction per hour rotates about 15 degree, i.e. per minute 0.4 degree.North and South direction except that rotate according to fixing ground axial rake change, also change about 0.25 degree every day because of seasonal variations.If the compensation range of preamble described " facula area compensation with day a precision techniques " is enough big, then be easy to realize that at east-west direction batch (-type) follows a day technology.This device design compensation angle is ± 3 degree, can cover 7.5 minutes rotational angle.And the actual resting period of adopting 6 minutes, offset angle still has surplus.The way that North and South direction then adopts the fixing angle of plane of rotation and the face of land to add artificial regulatory realize with day, wherein fixed angle is by the difference of height decision of rotated bed seat bearings at both ends support, its concrete number of degrees are according to land used latitude of living in is determined, do local fine setting with the height adjusting screw rod 6 that is located at the high-end support of bearing during installation, substantially no longer change after adjusting; Angle changed adjusting rod 23 with rotated bed seat and speculum tray chamber and changed between the two angle season, per 10 days left and right sides manual adjustment once, about regulated quantity about 2.5 is spent, also in aforementioned offset angle coverage.So only increased few labor workload, just solved satisfactorily with day this hard nut to crack of precision (when being combined into a group of planes as many playscripts with stage directions device, these adjusting rod 23 manual adjustment can change the electric system centralized control into).Because mass centre's (center of gravity) of whole rotatable parts can't drop on the rotation axis, when corner changed, driving torque changed more violent, and motor load is seriously inhomogeneous.Be head it off, between rotated bed seat 2 and base 1, balance spring 24 be installed,, change in torque can be controlled in the minimum scope by adjusting the spring tension size.

Referring to Fig. 4, this is a multiple spot recirculated water cooling cooling heat accumulation mechanism.Mainly form by storage tank 22, cooling radiator 25, heat exchanger, temperature control direct current micro pump 20 and pipe-line system.The heat exchanger here is meant in the heat exchanger casing 15 of photovoltaic module 5 frames and cover plate composition, the all Inlet and outlet water persons in charge 18,16 and the combination of Inlet and outlet water arm 19,17, under driving, minisize dc pump 20 enters in the heat exchanger casing of forming by photovoltaic module 5 frames and cover plate 15 behind water process radiator 25 natural cooling in the storage tank 22 by main water inlet tube 18 and water inlet arm 19, the heat at absorbing light photovoltaic assembly 5 back sides, make photovoltaic module 5 coolings, become hot water, enter in the water tank 22 by exit branch 17 and house steward 16, form a circulation.Hot water in the storage tank 22 can directly use, and also can make thermal source and use for other, and the import on water tank 22 right sides is moisturizing in the drawings, and the outlet of lower-left side is a heat supply mouth end, above right outlet be gap.Minisize dc pump 20 reaches the early warning temperature by temperature sensor 21 controls that are arranged on photovoltaic module 5 surfaces, and water pump 20 work automatically begins circulation, and temperature reduces circulation and stops.Default temperature is higher slightly than high ambient temperature.Heat exchanger is the critical component of this part, it and photovoltaic module 5 becoming one, and the thickness that utilizes photovoltaic module 5 frames adds the upper cover plate and the Inlet and outlet water mouth of pipe through encapsulation process.Because of photovoltaic module 5 areas are bigger, if adopt common single tube circulation, the import petiolarea is bigger with the outlet petiolarea temperature difference, causes photovoltaic module 5 operational environments inferior, and generating efficiency reduction, useful life shorten even damages.For the head it off entery and delivery port is set to the multiple spot cross arrangement, the integral body circulation is decomposed into several zonule circulations, so just solved the even problem of photovoltaic module inhomogeneous cooling satisfactorily.Concrete structure is the some arms 19 of equidistant welding on water inlet manifold 18, water outlet is responsible on 16 and is welded with arm 17 too, several 18 with several 16 cross arrangements, arm is inserted in the casing 15 by cover plate, for making cooling water fully mobile, it is different that exit branch and water inlet arm enter the degree of depth of cover plate, and blocking-up current short circuit that can part improves heat exchange efficiency.Hot water in the storage tank 22 such as double doing when heat supply is used should have good insulation; As not needing heat supply, then need not be incubated, at this moment can save radiator 25, storage tank 22 directly is used as radiator.

Claims (4)

1. multiple spot recirculated water cooling cooling heat accumulation mechanism, photovoltaic cell component 5 is arranged, it is characterized in that: the heat exchanger (15) that multiple spot recirculated water cooling cooling heat accumulation mechanism is installed in photovoltaic cell component (5), process water pump (20) below the storage tank (22), (18) are responsible in water inlet, water inlet arm (19) is communicated with heat exchanger casing (15), exit branch (17) in heat exchanger casing (15) returns through primary flow pipe (16) and is connected to above the storage tank (22), and the water inlet person in charge (18) that whole circulation is decomposed into several zonule circulations is the multiple spot cross arrangement with primary flow pipe (16).

2. multiple spot recirculated water cooling according to claim 1 cooling heat accumulation mechanism, it is characterized in that: in multiple spot recirculated water cooling cooling heat accumulation mechanism, photovoltaic cell component (5) frame and cover plate are formed heat exchanger casing (15), be communicated with radiator (25) below the storage tank (22), radiator (25) other end is through water pump (20), the water-in and water-out arm (19) in heat exchanger casing (15) and (17) multiple spot cross arrangement.

3. multiple spot recirculated water cooling according to claim 2 cooling heat accumulation mechanism, it is characterized in that: the water-in and water-out arm (19) in heat exchanger casing (15) and (17) and, water-in and water-out are responsible for (18) and (16) composition heat exchanger, heat exchanger is multiple spot recirculated water cooling cooling heat accumulation mechanism and becoming one of photovoltaic module (5), and photovoltaic cell component (5) working face downwards.

4. multiple spot recirculated water cooling according to claim 2 cooling heat accumulation mechanism, it is characterized in that: in multiple spot recirculated water cooling cooling heat accumulation mechanism, in photovoltaic module (5) surface temperature sensor (21) is arranged, transducer (21) output of control early warning temperature connects water pump (20) control end.

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