CN206609201U - Evaporator overhead type refrigeration equipment - Google Patents

Abstract

The utility model discloses an evaporator overhead type refrigeration equipment, which comprises a box body and a door body, wherein a storage space is formed in the box body, an evaporator is arranged at the top of the storage space, a cover plate is arranged outside the evaporator, an installation cavity is formed between the cover plate and the top of the storage space, a main air supply channel for conveying cold air generated by the evaporator to the storage space is arranged in the box body, and at least one socket is also arranged in a refrigeration variable area of the main air supply channel; the refrigeration equipment also comprises a detachable clapboard, the clapboard is used for being arranged in the refrigeration variable region to divide the storage space into a main refrigeration chamber and a variable chamber, and the clapboard is also used for being inserted into a corresponding socket to partition the main air supply channel; the refrigerating apparatus further includes an auxiliary air supply passage for delivering cool air generated by the evaporator to the variable compartment after the main air supply passage is blocked. The manufacturing cost of the refrigeration equipment is reduced, the control process is simplified, and the operation reliability is improved.

Description

Evaporator overhead type refrigeration plant

Technical field

The utility model is related to refrigeration plant, more particularly to a kind of evaporator overhead type refrigeration plant.

Background technology

At present, refrigeration plant（For example:Refrigerator or refrigerator-freezer etc.）It is conventional interior household electrical appliance in people's daily life.Its In, refrigeration plant generally has the function of freezing and refrigeration, it is generally the case that refrigeration plant is configured with independent refrigerating chamber and cold Room is hidden, this because user's storing demand is different, has the space whole use of refrigerating chamber or refrigerating chamber in actual use It is complete, and there are many remaining phenomenons in the space of refrigerating chamber or refrigerating chamber.The .0 of Chinese Patent Application No. 201610611992 is public A kind of refrigeration, the wind cooling refrigerator of freezing adjustable volume exchange have been opened, has been specially：Separate refrigeration air channel is set in casing With freezing air channel, the size of refrigerating chamber and refrigerating chamber is changed by adjusting the position of dividing plate, wherein, refrigeration air channel and freezing wind The position that road is each configured with installing dividing plate in multiple controllable air doors, casing is correspondingly arranged on trigger switch, and each triggering is opened Close and open for starting the temperature sensor of corresponding position and close original temperature sensors.From the foregoing, it will be observed that above-mentioned Two air channels in technical scheme are each equipped with controllable air door at the air outlet at the diverse location of casing, also, for every Each position that plate is installed is required to configure corresponding temperature sensor, and the controller of refrigeration plant is according to trigger switch and temperature The controllable air door action in the corresponding air channel of signal control that sensor is produced is spent, if refrigeration plant needs to configure dry temperature sensor With controllable air door, this causes the integral manufacturing cost of refrigeration plant higher, in addition, controller needs to be switched according to trigger switch Corresponding temperature sensor, control process is cumbersome and operational reliability is poor.How to design that a kind of manufacturing cost is low, control is simple And the high refrigeration plant of operational reliability is technical problem to be solved in the utility model.

Utility model content

The utility model provides a kind of evaporator overhead type refrigeration plant, realizes the manufacturing cost of reduction refrigeration plant, Simplify control process simultaneously improves operational reliability.

To reach above-mentioned technical purpose, the utility model is realized using following technical scheme：

A kind of evaporator overhead type refrigeration plant, it is characterised in that including casing and the door body being arranged on the casing, Formed in the casing and evaporator is provided with the top of storage space, the storage space, the outside of the evaporator is provided with Formed between the top of cover plate, the cover plate and the storage space and cavity is installed, the storage space is divided into what is arranged up and down It is provided with main refrigeration area and refrigeration variable region, the casing and is delivered to the storing for the cold air for producing the evaporator The main air-supply passage in space, the main air-supply passage is also being provided with least one socket in the refrigeration variable region；

The refrigeration plant also includes dismountable dividing plate, and the dividing plate is used to be arranged on the refrigeration variable region with by institute State storage space and be separated into main refrigeration compartment and variable compartment, the dividing plate is additionally operable to be inserted into the corresponding socket to separate The main air-supply passage；

The refrigeration plant also includes the cold air for being used to produce the evaporator after the main air-supply passage is separated It is delivered to the auxiliary air-supply passage of the variable compartment.

Further, the refrigeration plant also includes being used to the gas in the variable compartment being delivered to the main refrigeration The auxiliary return air channel of compartment or the installation cavity.

Further, the auxiliary return air channel is arranged in the casing, or, the auxiliary return air channel is arranged on In the door body.

Further, the auxiliary air-supply passage is arranged in the casing, is provided with the dividing plate for connecting institute The air-guiding aisle of main air-supply passage is stated, the inlet and outlet of the air-guiding aisle is arranged on the dividing plate towards the main refrigeration area Surface.

Further, the auxiliary air-supply passage runs through the dividing plate, the air inlet connection institute of the auxiliary air-supply passage Main refrigeration compartment is stated, the air outlet of the auxiliary air-supply passage connects the variable compartment.

Further, the main air-supply passage is respectively arranged with secondary ventilation mouthful, the dividing plate in the both sides of the socket Positive and negative surface be provided with wind deflector, the dividing plate and be further opened with through hole, the through hole be located at two wind deflectors it Between；After the dividing plate is inserted into the socket, the wind deflector is covered in the outside of the corresponding secondary ventilation mouthful, its In, the secondary ventilation mouthful in the main refrigeration compartment forms the air inlet of the auxiliary air-supply passage, positioned at described The secondary ventilation mouthful in variable compartment forms the air outlet of the auxiliary air-supply passage.

Further, it is provided with position relative with the refrigeration variable region in the door body for holding the dividing plate Storage trough.

Further, a side of the dividing plate is provided with the evagination plate for being inserted into the socket.

Further, the periphery of the evagination plate is provided with sealing strip；The evagination plate is inserted into corresponding described After in socket, the sealing strip seals up the side wall at the main air-supply passage correspondence sectional position.

Further, it is provided with turnover deep bead in the socket；The socket of the deep bead is provided with, When being not inserted into the evagination plate, the deep bead partly or entirely covers in the socket, and is inserting the evagination plate Afterwards, the evagination plate is resisted against on the deep bead, and the deep bead overturns and separates the main air-supply passage.

Compared with prior art, advantage of the present utility model and good effect are：By setting dismountable in casing Dividing plate, after dividing plate is arranged in casing, on the one hand casing is divided into multiple separate storing compartments, the opposing party by dividing plate Face, dividing plate can also separate main air-supply passage so that main air-supply passage to variable compartment without directly blowing, by dividing plate both Storage space can be played a part of separating to obtain the refrigeration space of not co-content, meanwhile, it is logical that the main air-supply of cut-off can be played again The cold air in road is transmitted to adjust the temperature of different refrigeration compartments, in addition, coordinating auxiliary air-supply passage more accurately to adjust The temperature of variable compartment is saved, controllable air door is set with each air outlet in the prior art respectively in refrigeration air channel and freezing air channel Compare, the usage amount of controllable air door and temperature sensor can be effectively reduced, to reduce manufacturing cost；Also, due to dividing plate Directly separate main air-supply passage using mechanical system without using controllable air door, can effective simplify control process, raising Operational reliability.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are Some embodiments of the present utility model, for those of ordinary skill in the art, are not paying the premise of creative labor Under, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation one of the utility model refrigeration plant embodiment;

Fig. 2 is the close-up schematic view of a-quadrant in Fig. 1；

Fig. 3 is the structural representation of main air-supply passage in the utility model refrigeration plant embodiment；

Fig. 4 is the structural representation two of the utility model refrigeration plant embodiment;

Fig. 5 is the structural representation three of the utility model refrigeration plant embodiment;

Fig. 6 is the structural representation four of the utility model refrigeration plant embodiment;

Fig. 7 is the structural representation five of the utility model refrigeration plant embodiment;

Fig. 8 is the structural representation six of the utility model refrigeration plant embodiment;

Fig. 9 is the structural representation seven of the utility model refrigeration plant embodiment;

Figure 10 is the structural representation eight of the utility model refrigeration plant embodiment;

Figure 11 is the sectional view that the utility model refrigeration plant embodiment aids in air delivery duct and auxiliary air -return duct.

Embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that retouched The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Based on the implementation in the utility model Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to The scope of the utility model protection.

Embodiment one

As shown in Figure 1-Figure 3, the present embodiment refrigeration plant, including casing 1 and the door body 2 being arranged on the casing 1, institute State and storage space is formed in casing 1, the installation cavity 10 for installing evaporator 3 is provided with the casing 1, in addition to：

Main air-supply passage 11, the cold air for the evaporator 3 to be produced is delivered to the storage space；

Dividing plate 4, for the storage space to be divided into main refrigeration compartment 100 and at least one variable compartment 200, dividing plate 4 are additionally operable to the cut-off main air-supply passage 11 directly blows to the variable compartment 200.

Specifically, the present embodiment refrigeration plant in actual use, when user need change refrigeration volume when, Dividing plate 4 can be then installed in storage space, storage space is divided into main refrigeration compartment 100 and variable by the one side of dividing plate 4 Compartment 200, meanwhile, dividing plate 4 also blocks main air-supply passage 11, so that winner's air-supply passage 11 can not produce evaporator 3 Cold air be fed directly in variable compartment 200, for variable compartment 200, if less in refrigeration space demand In the case of, dividing plate 4 can be adjusted, to change the volume of main refrigeration compartment 100 and variable compartment 200, main refrigeration compartment 100 is still For normally freezing（Refrigeration is freezed）, and variable compartment 200 can be used only as storing, for the thing that storage temperature is normal temperature Product, can be placed in variable compartment 200 and store, and due to the smaller volume of the main refrigeration compartment 100 that needs refrigerating capacity so that this The run time of embodiment refrigeration plant is greatly shortened, and reduces the power and energy consumption of operation.Simultaneously as dividing plate 4 uses machine The mode of tool is separated to main air-supply passage 11, and is not to be controlled regulation using controllable air door, so as to significantly The usage amount of controllable air door is reduced, manufacturing cost is reduced and simplifies control process.

Further, along the air current flow direction of the main air-supply passage 11, the storage space be divided into main refrigeration area and Freeze variable region, the main refrigeration area is located at the space of main refrigeration compartment 100 formation, the main air-supply passage 11 is along air-flow Flow direction is provided with air outlet 111, the main air-supply passage 11 in the main refrigeration area and the refrigeration variable region respectively Being additionally provided with least one is used to insert the dividing plate 4 to separate the socket 112 of the main air-supply passage 11, the socket 112 In the refrigeration variable region.Specifically, each air outlet 111 of main air-supply passage 11 is used to export cold into storage space Gas, and after dividing plate 4 is inserted into corresponding socket 112, along air current flow direction, positioned at be inserted with dividing plate 4 socket 112 it Air outlet 111 afterwards, which can not then be directed out, continues to output cold air, wherein, the end of dividing plate 4 is fully inserted into socket 112 In, or, a side of the dividing plate 4 is provided with the evagination plate for being inserted into the socket 112（It is not shown）, using outer On the one hand convex plate separates main air-supply passage 11, on the other hand can be used for location and installation dividing plate 4, and the evagination plate Periphery is provided with sealing strip（It is not shown）；After the evagination plate is inserted into the corresponding socket 112, the sealing strip is close Seal the side wall at the corresponding sectional position of the main air-supply passage 11.Or, it is provided with turnover keep out the wind in the socket 112 Plate（It is not shown）；When being not inserted into dividing plate 4, the deep bead partly or entirely covers in the socket 112, to reduce socket The burst size of cold wind at 112, and after the dividing plate 4 is inserted, the dividing plate 4 is resisted against on the deep bead, the deep bead Overturn and separate the main air-supply passage 11, rotated using the driving deep bead of dividing plate 4 and realize the main air-supply passage 11 of cut-off；And can be with According to the refrigeration demand of main refrigeration compartment 100, when for the larger equipment of refrigeration capacity requirement, the width of socket 112 can be done Greatly so that after dividing plate 4 is inserted into socket 112, also being formed between the edge of dividing plate 4 and socket 112 is used for main refrigeration compartment The outlet section of 100 transporting cold winds.Wherein, main refrigeration area is located in main refrigeration compartment 100, and main refrigeration compartment 100 is according to dividing plate 4 Position difference may also contain part refrigeration variable region.

Further, there can be diversified forms for the mode that dividing plate 4 is arranged on storage space, for example：The storing The a plurality of installation groove for being used to install the dividing plate 4 is provided with the inwall in space（It is not shown）, the installation groove is positioned at institute Refrigeration variable region is stated, dividing plate 4 is inserted into installation groove, on the one hand can install grid spacer 4, on the other hand installing groove can To seal up the joint face between dividing plate 4, so as to improve the thermal insulation ability between main refrigeration compartment 100 and variable compartment 200. It is preferred that, set to make full use of at position relative with the refrigeration variable region in the insulation effect of dividing plate 4, the door body 2 The storage trough 21 for holding the dividing plate 4 is equipped with, specifically, when without using dividing plate 4, dividing plate 4 is placed in storage trough 21, On the one hand it is easy to store dividing plate 4, another aspect dividing plate 4 can increase the thickness of the corresponding position of door body 21, so as to improve insulation Performance；For example：The surrounding of dividing plate 4 is provided with sealing ring, also, dividing plate can be closely installed in storage trough 21, to improve Sealing property between dividing plate 4 and door body 2, reduces scattering and disappearing for cold；And after dividing plate 4 is arranged on storage space, in door body 2 Storage trough 21 can be also used for depositing other articles, improve space availability ratio.

Further, the air-guiding aisle 40 for connecting the main air-supply passage 11 is provided with the dividing plate 4, it is described The inlet and outlet of air-guiding aisle 40 is arranged on the dividing plate 4 towards the surface of the main refrigeration area.Specifically, dividing plate 4 is in master After air-supply passage 11 is truncated, air-guiding aisle 40 can extend the air supplying distance of main air-supply passage 11, using air-guiding aisle 40 after Continue the transporting cold-air into main refrigeration compartment 100, to improve the refrigerating efficiency of main refrigeration compartment 100.And accurately adjusted to realize Temperature is saved, refrigeration plant is additionally provided with the first temperature sensor for detecting the main temperature of refrigeration compartment 100, and for detecting And the second temperature sensor of the variable temperature of compartment 200, and the specific installation site and mode of temperature sensor are not limited.

The present embodiment refrigeration plant, by setting dismountable dividing plate in casing, after dividing plate is arranged in casing, every Plate on the one hand casing is divided into multiple separate storing compartments, on the other hand, dividing plate can also by main air-supply passage every It is disconnected so that main air-supply passage can play separation storage space to obtain not without directly blowing to variable compartment by dividing plate The effect of the refrigeration space of co-content, meanwhile, it can play again and separate the cold air transmission of main air-supply passage to adjust different systems The temperature of cold compartment, controllable air door phase is set with each air outlet in the prior art respectively in refrigeration air channel and freezing air channel Than the usage amount of controllable air door and temperature sensor can be effectively reduced, to reduce manufacturing cost；Also, because dividing plate is adopted Mechanically directly separate main air-supply passage without using controllable air door, can effective simplify control process, improve and transport Row reliability.

As shown in figure 4, based on above-mentioned technical proposal, optionally, in order to realize that variable compartment meets the requirement of refrigeration, and energy The cryogenic temperature of variable compartment is accurately controlled, the present embodiment refrigeration plant also includes auxiliary air-supply passage 12, for described The cold air that main air-supply passage 11 produces the evaporator 3 after being separated is delivered to the variable compartment 200.Specifically, every Plate 4 separates main air-supply passage 11 to after the variable transporting cold wind of compartment 200, can be by aiding in air-supply passage 12 to variable compartment 200 supply cold wind, variable compartment 200 can need independent setting temperature according to storing, realize the variable refrigeration of compartment 200 storage thing Product.By taking refrigerator as an example, under conventional sense, storage space is freezing state, when user becomes small to the demand for freezing volume, Then install dividing plate 4, by storage space segmentation be main refrigeration compartment 100 and variable compartment 200, wherein, main refrigeration compartment 100 also after Continue for frozen goods, and variable compartment 200 can realize the requirement of refrigeration by aiding in air-supply passage 12 to be independently supplied cold wind, So as to which in actual use, user can adjust the volume of the different cryogenic temperatures of storage space according to the demand of oneself.And Auxiliary air-supply passage 12 can be configured with controllable air door as needed, to realize accurate temperature adjustment.

Wherein, the arrangement of auxiliary air-supply passage 12 can have various ways, be illustrated below in conjunction with accompanying drawing：

First, auxiliary air-supply passage 12 can be arranged in casing 1.Specifically, auxiliary air-supply passage 12 is formed in casing 1 In, auxiliary air-supply passage 12 extends along main air-supply passage 11, wherein, aid in the air outlet and air inlet of air-supply passage 12 can be with Set as needed, for example：As shown in figure 4, the air inlet of auxiliary air-supply passage 12 connects main air-supply passage 11, main air-supply Cold air in passage 11 can be transported in auxiliary air-supply passage 12, or, as shown in figure 5, the air intake of auxiliary air-supply passage 12 Cold air in the main refrigeration compartment 100 of mouth connection, main refrigeration compartment 100 is fed directly in auxiliary air-supply passage 12；Meanwhile, such as scheme Described in 4, the air outlet of auxiliary air-supply passage 12 connects the part that main air-supply passage 11 is located at variable compartment 200, and auxiliary air-supply is logical The air outlet that the cold air that road 12 is conveyed is located at variable compartment 200 eventually through main air-supply passage 11 is discharged, or, as shown in figure 5, Auxiliary air-supply passage 12 can directly connect variable compartment 200, and auxiliary air-supply passage 12 is overall independently of main air-supply passage 11, auxiliary The air outlet of air-supply passage 12 is helped to be arranged in variable compartment 200.

2nd, auxiliary air-supply passage 12 can be arranged on dividing plate 4.As shown in fig. 6, the dividing plate 4 is provided with for will be cold Gas is drained to the auxiliary air-supply passage 12 of the variable compartment 200.Specifically, auxiliary air-supply passage 12 is arranged on dividing plate 4, Dividing plate 4 is arranged on after storage space, and the auxiliary air-supply passage 12 on dividing plate 4 connects main refrigeration area or connection positioned at main refrigeration area Main air-supply passage 11.And can be through dividing plate 4 and to connect variable compartment for aiding in the specific manifestation entity of air-supply passage 12 200 and the through hole of main refrigeration compartment 100, or, auxiliary air-supply passage 12 is ventilation duct, and the air inlet of ventilation duct connects main refrigeration Some air outlet of compartment 100 or the main air-supply passage 11 in main refrigeration compartment 100.Certainly, air-supply passage 12 is aided in Fabricated structure can be used, is specially：Main air-supply passage 11 is respectively arranged with secondary ventilation mouthful in the both sides of the socket（Not Mark）, the positive and negative surface of the dividing plate 4, which is provided with wind deflector 41, the dividing plate 4, is further opened with through hole 42, the through hole 42 are located between two wind deflectors 41；After the dividing plate 4 is inserted into the socket, the wind deflector 41 is covered right The outside for the secondary ventilation mouthful answered, wherein, the secondary ventilation mouthful in the main refrigeration compartment 100 forms described The air inlet of air-supply passage 12 is aided in, the secondary ventilation in the variable compartment 200 mouthful forms the auxiliary air-supply The air outlet of passage 12.Further, the inner side edge of wind deflector 41 is hinged on the dividing plate 4, the outside of the wind deflector 41 While being provided with arc turnup structure, back-moving spring is additionally provided between the wind deflector 41 and the dividing plate 4（It is not shown）, when every During plate 4 is inserted into correspondence socket, the arc turnup structure of wind deflector 41 is resisted against the inwall of storage space, arc flange After structure stress wind deflector 41 is opened, and after under dividing plate 4 is dismantled, in the presence of back-moving spring, wind deflector 41 reclines On the surface of dividing plate 4, so as to storage.It is preferred that, it is described in the case of being configured with controllable air door for auxiliary air-supply passage 12 Be provided with socket in the trigger switch for triggering second temperature sensor work, the socket be additionally provided with for The power supply connector coordinated with the power supply socket, tool are additionally provided with the power supply socket that the controllable air door is powered, the dividing plate 4 Body, after dividing plate 4 is inserted into socket, by powering, socket is powered to the controllable air door in auxiliary air-supply passage 12, and The power on/off of power supply socket can be controlled by the trigger signal of second temperature sensor.

3rd, auxiliary air-supply passage 12 can be arranged in door body 2.Auxiliary air-supply passage 12 can also be arranged on as needed In door body 2, specific air-supply process will not be repeated here.

From the foregoing, it will be observed that by setting auxiliary air-supply passage to coordinate controllable air door and temperature sensor, can preferably control The temperature of variable compartment 200.

Based on above-mentioned technical proposal, optionally, for variable compartment 200, in order to obtain lower cryogenic temperature, acceleration can The air flow become in compartment 200, then need to be configured to that the gas in the variable compartment 200 is delivered into the main refrigeration Compartment 100 or the auxiliary return air channel for installing cavity 10, and it is controllable to aid in return air channel to be provided with as needed Air door is controlled.

Wherein, the arrangement of auxiliary return air channel can have various ways, be illustrated below in conjunction with accompanying drawing：

First, auxiliary return air channel 13 can be arranged in casing 1.As shown in fig. 7, auxiliary return air channel 13 is arranged on casing In 1.Specifically, auxiliary return air channel 13 is formed in casing 1, auxiliary return air channel 13 extends along main air-supply passage 11, its In, aiding in the air outlet and return air inlet of return air channel 13 can be set as needed, aid in the return air inlet of return air channel 13 Variable compartment 200 is connected, and peace can also directly be connected by aiding in the air outlet of return air channel 13 to connect main refrigeration compartment 100 It behave affectedly body 10.

2nd, auxiliary return air channel 43 can be arranged on dividing plate 4.As shown in fig. 6, auxiliary return air channel 43 for be arranged on every Plate 4 is close to the through hole of the side of door body 2, and the return air of variable compartment 200 entered in main refrigeration compartment 100.

3rd, auxiliary return air channel 22 can be arranged in door body 2.As shown in figure 5, auxiliary return air channel 22 is formed in door body In 2, auxiliary return air channel 22 is across main refrigeration compartment 100 and variable compartment 200.

From the foregoing, it will be observed that by setting auxiliary return air channel to coordinate controllable air door and temperature sensor, variable can be accelerated The air flow of room 200, so as to meet the cryogenic refrigeration requirement of variable compartment 200.

Based on above-mentioned technical proposal, optionally, as shown in figure 8, multiple dividing plates 4 are provided with storage space, so as to be formed Multiple variable compartments 200.Specifically, in the case of using multiple dividing plates 4, being set for the refrigeration using auxiliary air-supply passage 12 Standby, auxiliary air-supply passage 12 is equally configured with corresponding air outlet for each variable compartment 200, is aided in simultaneously for using The refrigeration plant of return air channel 13, auxiliary return air channel 13 is equally configured with corresponding return air inlet for each variable compartment 200. And in actual use, the temperature of different variable compartments 200 can be controlled different as needed, more to be refined Warm area setting.

Wherein, in the scheme of above-mentioned record, casing 1 is arranged on for auxiliary air-supply passage 12 and auxiliary return air channel 13 In the case of interior, auxiliary air-supply passage 12 can mutually be sticked together with main air-supply passage 11, also, mutually abut in one The inside sidewalls risen are respectively arranged with radiating fin, and auxiliary air-supply passage 12 can carry out hot friendship between main air-supply passage 11 Change, to drag down the cryogenic temperature of variable compartment 200.Likewise, as shown in figure 11, auxiliary air-supply passage 12 and auxiliary return air channel 13 mutually stick together, also, are respectively arranged with radiating fin 120 and 130 in the inside sidewalls mutually sticked together, auxiliary Air-supply passage 12 is helped to carry out heat exchange between auxiliary return air channel 13, by carrying out heat exchange between air channel so that send The outlet temperature rise of wind, the outlet temperature reduction of return air, air-supply outlet temperature rise can avoid low-temperature frozen at refrigeration air port Get ill from overeating thing, the reduction of return air outlet temperature can avoid high temperature from influenceing frozen food quality, to improve main variable of refrigeration compartment 100 The storing effect of room 200.

Likewise, the installation site for evaporator 3 is different, refrigeration plant can be divided into evaporator overhead type and evaporation again Device bottom type.Specifically, as shown in figure 5, evaporator 3 is arranged on the top of casing 1, the outside of the evaporator 3 is provided with lid Plate（It is unmarked）, formed between the cover plate and the top of the storage space and cavity 10 be installed, the storage space is divided into The main refrigeration area of lower arrangement and refrigeration variable region,, can need not using the descending principle of cold air for the equipment of roof-packed evaporator Blower fan 31 is configured in cavity 10 is installed, circulating for air is realized by free convection.As shown in figure 9, evaporator 3 is set In the bottom of casing 1, the storage space is divided into the refrigeration variable region arranged up and down and main refrigeration area, the back of storage space Evaporator 3 is provided with the main refrigeration area, the outside of the evaporator 3 is provided with cover plate, the cover plate and the storing Formed between the back in space and cavity 10 is installed, and the bottom of evaporator 3 is postponed, in order to realize indoor air circulation stream between storing Dynamic, especially the variable compartment 200 in top obtains the cold air of abundance, it is necessary to configure blower fan 31.

Embodiment two

Based on above-described embodiment one, as shown in Figure 10, the difference with above-described embodiment one is：Form multiple in casing 1 Independent storage space, and at least one storage space is designed according to the arrangement in embodiment one.

Specifically, passing through between the refrigeration plant for using multiple independent storage spaces, two adjacent storage spaces Central sill 5 is spaced apart, and each described storage space can be provided with the corresponding door body 2, or, multiple storage spaces Share the same door body 2.By taking conventional refrigerator as an example：The casing of refrigerator includes two storage spaces, wherein one The storage space is refrigerating chamber, and another storage space is refrigerating chamber；Set between the refrigerating chamber and the refrigerating chamber There is a central sill 5, and as needed can be in refrigerating chamber and/or refrigerating chamber configuration dividing plate 4 and corresponding auxiliary air-supply passage 12, auxiliary Help return air channel 22.

Wherein, it for installing cavity 10, may be mounted on central sill 5, cavity 10 be installed and is located in the refrigerating chamber, it is described The refrigeration return air inlet 51 for connecting the refrigerating chamber and the installation cavity is additionally provided with central sill 5, is set for installing cavity 10 Mode on central sill 5, may be referred to the explanation of the overhead of evaporator 3 installation.Likewise, the installation cavity 10 can be located at institute The side wall of refrigerating chamber is stated, refrigeration return air channel is additionally provided between the installation cavity 10 and the refrigerating chamber, which can be with The explanation of installation is put with reference to the bottom of evaporator 3.

Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations； Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that： It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc. With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model embodiment technology The spirit and scope of scheme.

Claims (10)

1. a kind of evaporator overhead type refrigeration plant, it is characterised in that including casing and the door body being arranged on the casing, institute State and storage space is formed in casing, evaporator is provided with the top of the storage space, the outside of the evaporator is provided with lid Formed between the top of plate, the cover plate and the storage space and cavity is installed, the storage space is divided into the master arranged up and down It is provided with refrigeration area and refrigeration variable region, the casing and is delivered to the storing sky for the cold air for producing the evaporator Between main air-supply passage, the main air-supply passage is also being provided with least one socket in the refrigeration variable region；

The refrigeration plant also includes dismountable dividing plate, and the dividing plate is used to be arranged on the refrigeration variable region with by the storage Object space is separated into main refrigeration compartment and variable compartment, and the dividing plate is additionally operable to be inserted into the corresponding socket described to separate Main air-supply passage；

The cold air that the refrigeration plant also includes being used to produce the evaporator after the main air-supply passage is separated is conveyed To the auxiliary air-supply passage of the variable compartment.

2. evaporator overhead type refrigeration plant according to claim 1, it is characterised in that the refrigeration plant also includes using In the auxiliary return air channel that the gas in the variable compartment is delivered to the main refrigeration compartment or the installation cavity.

3. evaporator overhead type refrigeration plant according to claim 2, it is characterised in that the auxiliary return air channel is set In the casing, or, the auxiliary return air channel is arranged in the door body.

4. evaporator overhead type refrigeration plant according to claim 1, it is characterised in that the auxiliary air-supply passage is set In the casing, the air-guiding aisle for connecting the main air-supply passage is provided with the dividing plate, the air-guiding aisle Inlet and outlet is arranged on the dividing plate towards the surface of the main refrigeration area.

5. evaporator overhead type refrigeration plant according to claim 1, it is characterised in that the auxiliary air-supply passage runs through The dividing plate, the air inlet of the auxiliary air-supply passage connects the main refrigeration compartment, the air outlet of the auxiliary air-supply passage Connect the variable compartment.

6. evaporator overhead type refrigeration plant according to claim 1, it is characterised in that the main air-supply passage is described The both sides of socket are respectively arranged with secondary ventilation mouthful, and the positive and negative surface of the dividing plate is provided with wind deflector, the dividing plate also Through hole is offered, the through hole is located between two wind deflectors；It is described to lead after the dividing plate is inserted into the socket Aerofoil is covered in the outside of the corresponding secondary ventilation mouthful, wherein, the secondary ventilation in the main refrigeration compartment Mouth forms the air inlet of the auxiliary air-supply passage, and the secondary ventilation mouthful in the variable compartment forms the auxiliary The air outlet of air-supply passage.

7. evaporator overhead type refrigeration plant according to claim 1, it is characterised in that with the refrigeration in the door body The storage trough for holding the dividing plate is provided with the relative position in variable region.

8. evaporator overhead type refrigeration plant according to claim 1 a, it is characterised in that side of the dividing plate is set There is the evagination plate for being inserted into the socket.

9. evaporator overhead type refrigeration plant according to claim 8, it is characterised in that the periphery of the evagination plate is set It is equipped with sealing strip；After the evagination plate is inserted into the corresponding socket, it is logical that the sealing strip seals up the main air-supply Side wall at road correspondence sectional position.

10. evaporator overhead type refrigeration plant according to claim 8, it is characterised in that being provided with the socket can The deep bead of upset；The socket of the deep bead is provided with, when being not inserted into the evagination plate, the plate part of keeping out the wind Or the socket is all covered in, and after the evagination plate is inserted, the evagination plate is resisted against on the deep bead, institute Deep bead is stated to overturn and separate the main air-supply passage.