阅读说明：本技术 一种超低温组合式装配冷库制冷系统 (Refrigeration system of ultra-low temperature combined type assembly refrigeration house ) 是由 王志广 乔广彬 吴向阳 张旭豪 张畅畅 于 2021-09-22 设计创作，主要内容包括：本申请涉及超低温组合式装配冷库的技术领域,尤其是涉及一种超低温组合式装配冷库制冷系统,其包括封闭空间和制冷设备,制冷设备包括外机、蒸发器和风机,外机位于封闭空间的外侧,蒸发器与外机连接,封闭空间包括底板,底板的上表面平行设置有多根支撑条,蒸发器包括多根分液管,相邻的两根支撑条间隔设置,每根分液管对应到每两根支撑条之间,相邻两根支撑条之间均设置有分隔组件,分隔组件上沿着支撑条的长度方向开设有多个透气孔,分液管位于分隔组件的下方,并且分隔组件与相邻的支撑条围成通风道,通风道的端部设置有风箱盒,风箱盒上开设有与通风道连通的出风孔,风机安装在风箱盒上。本申请具有使封闭空间内的温度分布比较均匀的效果。(The application relates to the technical field of ultra-low temperature combined assembly refrigeration houses, in particular to a refrigeration system of an ultra-low temperature combined assembly refrigeration house, which comprises an enclosed space and refrigeration equipment, wherein the refrigeration equipment comprises an outer machine, an evaporator and a fan, the outer machine is positioned on the outer side of the enclosed space, the evaporator is connected with the outer machine, the enclosed space comprises a bottom plate, a plurality of support bars are arranged on the upper surface of the bottom plate in parallel, the evaporator comprises a plurality of liquid distribution pipes, two adjacent support bars are arranged at intervals, each liquid distribution pipe corresponds to the space between every two support bars, a separation assembly is arranged between every two adjacent support bars, a plurality of air holes are arranged on the separation assembly along the length direction of the support bars, the liquid distribution pipes are positioned below the separation assembly, the separation assembly and the adjacent support bars are encircled to form an air channel, an air box is arranged at the end part of the air channel, and air outlet holes communicated with the air channel are arranged on the air box, the fan is installed on the bellows box. The temperature control device has the effect of enabling the temperature distribution in the closed space to be more uniform.)

1. The utility model provides an ultra-low temperature combination formula assembly freezer refrigerating system, includes enclosure (1) and refrigeration plant (2), and refrigeration plant (2) are including outer machine (21), evaporimeter (22) and fan (23), and outer machine (21) are located the outside of enclosure (1), and evaporimeter (22) are connected its characterized in that with outer machine (21): the closed space (1) comprises a bottom plate (11), a plurality of support bars (4) are arranged on the upper surface of the bottom plate (11) in parallel, the evaporator (22) comprises a plurality of liquid separating pipes (222), two adjacent support bars (4) are arranged at intervals, each liquid separating pipe (222) corresponds to each two support bars (4), two adjacent support bars (4) are provided with a separation assembly (5), a plurality of air holes (57) are formed in the separation assembly (5) along the length direction of the support bars (4), the liquid separating pipes (222) are located below the separation assembly (5), the separation assembly (5) and the adjacent support bars (4) enclose a ventilation channel (6), an air box (7) is arranged at the end part of the ventilation channel (6), an air outlet hole (71) communicated with the ventilation channel (6) is formed in the air box (7), the fan (23) is arranged on the fan box (7).

2. The ultra-low temperature combined assembly refrigeration house refrigeration system according to claim 1, characterized in that: the partition component (5) comprises a lower plate (51), a first side plate (52) and a second side plate (53), the first side plate (52) and the second side plate (53) are integrally arranged, the two sides of the lower plate (51) are connected with the second side plate (53) respectively, the first side plate (52) abuts against the opposite side walls of the two support bars (4), and the air holes (57) are formed in the side plates (53) and are arranged at intervals between the support bars (4).

3. The ultra-low temperature combined assembly refrigeration house refrigeration system according to claim 2, characterized in that: the side plate I (52) is connected with an inclined plate (54), the inclined plate (54) is located above the side plate II (53), and the inclined plate (54) is far away from the middle of the side direction separating component (5) of the side plate I (52) and extends downwards gradually.

4. An ultra-low temperature combined assembly refrigeration house refrigeration system according to claim 3, characterized in that: a concave impurity receiving groove (55) is arranged at the middle position of the lower plate (51).

5. An ultra-low temperature combined assembly refrigeration house refrigeration system according to claim 3, characterized in that: the outdoor unit (21) comprises a first valve (211), a second valve (212), a bypass pipe (213), a compressor (215) and a condenser (214), the compressor (215) is connected with the condenser (214), the condenser (214) is connected with the evaporator (22) through the first valve (211), the evaporator (22) is connected with the compressor (215), the second valve (212) is arranged on the bypass pipe (213), and the bypass pipe (213) is connected with the first valve (211) and the condenser (214) in parallel.

6. The ultra-low temperature combined assembly refrigeration house refrigeration system according to claim 5, characterized in that: the area formed between the opposite side walls of the first side plate (52) is an airflow passive area (58).

7. The ultra-low temperature combined assembly refrigeration house refrigeration system according to claim 1, characterized in that: the vent holes (57) are gradually increased from the end parts of the separating components (5) to the opening degree of the middle part.

8. The ultra-low temperature combined assembly refrigeration house refrigeration system according to claim 1, characterized in that: the air blower is characterized in that an air pipe (8) is connected to the fan (23), the air pipe (8) is vertically arranged, and the upper end of the air pipe (8) extends to the upper part of the closed space (1).

9. The ultra-low temperature combined assembly refrigeration house refrigeration system according to claim 2, characterized in that: one side of the first side plate (52) far away from the second side plate (53) is provided with a baffle plate (56), one side of the baffle plate (56) far away from the first side plate (52) extends to the middle position of the separation assembly (5), and the baffle plate (56) is used for being lapped on the upper surface of the supporting bar (4).

10. The ultra-low temperature combined assembly refrigeration house refrigeration system according to claim 2, characterized in that: when the separation component (5) is arranged between two adjacent supporting strips (4), the lower plate (51) is elastically deformed into a downward concave arc shape.

Technical Field

The application relates to the technical field of ultra-low temperature combined type assembly refrigeration houses, in particular to a refrigeration system of an ultra-low temperature combined type assembly refrigeration house.

Background

Foods, medicines, vaccines and the like are often stored at low temperatures, and in industrial production, because the amount of stored goods is large, a freezer needs to be constructed for storage, and depending on the temperature required for different stored goods, some of the goods are stored in the low-temperature freezer, some of the goods are stored in the ultra-low-temperature freezer, and other goods are stored in the freezing freezer.

The related art cold storage comprises a closed space and refrigeration equipment, wherein the refrigeration equipment comprises a compressor, an evaporator and a condenser, the evaporator is arranged inside the closed space, the evaporator is arranged outside the closed space, a fan is arranged at the position of the evaporator, heat exchange is carried out between a refrigerant in the evaporator and airflow generated by the fan through the fan, the heat in the closed space is stored in the refrigerant and enters the compressor, then the refrigerant flowing out of the compressor is subjected to heat exchange with the external space through the condenser, the heat in the closed space absorbed by the refrigerant is discharged to the outside, and therefore the closed space is cooled through continuous work, and when the evaporator is installed, the evaporator is positioned at the upper part of the closed space and is positioned on one wall body of the closed space.

However, the inventors of the above-described structure have considered that the air flow in the closed space is poor, and the temperature inside the entire closed space is not uniform.

Disclosure of Invention

In order to make the temperature distribution in the enclosure space relatively even, the application provides an ultra-low temperature combination formula assembly freezer refrigerating system.

The application provides an ultra-low temperature combination formula assembly freezer refrigerating system adopts following technical scheme:

a refrigeration system of an ultra-low temperature combined type assembly refrigeration house comprises a closed space and refrigeration equipment, wherein the refrigeration equipment comprises an outer machine, an evaporator and a fan, the outer machine is positioned at the outer side of the closed space, the evaporator is connected with the outer machine, the closed space comprises a bottom plate, a plurality of support bars are arranged on the upper surface of the bottom plate in parallel, the evaporator comprises a plurality of liquid separating pipes, two adjacent support bars are arranged at intervals, each liquid separating pipe corresponds to the space between every two support bars, a separating assembly is arranged between every two adjacent support bars, the separation component is provided with a plurality of air holes along the length direction of the supporting bar, the liquid distribution pipe is positioned below the separation component, the partition component and the adjacent supporting bars enclose a ventilation duct, the end part of the ventilation duct is provided with a wind box, the fan box is provided with an air outlet communicated with the ventilation channel, and the fan is arranged on the fan box.

Through adopting above-mentioned technical scheme, during the use, be used for placing between the support bar and divide the liquid pipe, many divide the liquid pipe to distribute on the bottom plate to per adjacent two support bars enclose into the ventiduct, and the bellows box passes through the fan and is introduced air to the ventiduct in by the position of exhaust vent, and during the air inlet, the bleeder vent on the partition subassembly can lead the top of partition subassembly with the wind in the ventiduct, and then divide liquid pipe distribution to make the air conditioning distribution in the enclosure more even on the bottom plate.

Preferably, the partition assembly comprises a lower plate, a first side plate and a second side plate, the first side plate and the second side plate are integrally arranged, the two sides of the lower plate are respectively connected with the second side plate, the first side plate abuts against the side walls opposite to the two support bars, and the air holes are formed in the second side plate and are arranged at intervals between the two support bars.

Through adopting above-mentioned technical scheme, curb plate one butt is on the lateral wall of support bar, sets up the bleeder vent on the curb plate two, and when debris fell down, debris can be located the hypoplastron, and the giving vent to anger of bleeder vent is not influenced simultaneously, also can conveniently clear up debris.

Preferably, the side plate I is connected with an inclined plate, the inclined plate is located above the side plate II, and the inclined plate is far away from one side of the side plate I, extends towards the middle of the separation assembly and gradually inclines downwards.

Through adopting above-mentioned technical scheme, swash plate one side is connected with curb plate one, and another side is to separating the middle part of subassembly and is extended, and then when debris fall into, the swash plate can guide debris to the middle part removal of separating the subassembly, reduces debris and piles up the position at the bleeder vent.

Preferably, a concave impurity receiving groove is formed at the middle position of the lower plate.

Through adopting above-mentioned technical scheme, set up downwards recessed miscellaneous groove in the middle of the hypoplastron and can be convenient for collect debris to more debris can be stored to downwards recessed miscellaneous groove, further reduce the hindrance of debris to the air current.

Preferably, the outdoor unit comprises a first valve, a second valve, a bypass pipe, a compressor and a condenser, the compressor is connected with the condenser, the condenser is connected with the evaporator through the first valve, the evaporator is connected with the compressor, the second valve is arranged on the bypass pipe, and the bypass pipe is connected with the first valve and the condenser in parallel.

Through adopting above-mentioned technical scheme, when valve one was closed, when valve two was opened, the hot refrigerant that the compression body compression formed entered into the evaporimeter, and then made liquid separation pipe heating to make freezing on the liquid separation pipe in time drop, improve liquid separation pipe's thermal efficiency.

Preferably, the area formed between one opposite side wall of the two side plates is an airflow passive area.

Through adopting above-mentioned technical scheme, the passive district of air current is when the fan stop work, and the passive district of air current gathers there is more cold gas, and then when the in-process that divides the liquid pipe to carry out the deicing, the air current is seldom upwards from the passive district of air current, and then blocks that the heat enters into the upper portion of separating the subassembly, and when the fan was opened, flowed through from the passive district of air current by more gas simultaneously, made air conditioning enter into in the enclosure space.

Preferably, the vent holes are gradually increased from the end parts of the separation assemblies to the opening degree of the middle parts of the separation assemblies.

Through adopting above-mentioned technical scheme, the bleeder vent is seted up the degree great at the middle part of separating the subassembly, and then can make the air current of fan in the ventiduct distribute the position of whole separation subassembly more evenly, and then make the air current distribute in the enclosure space more evenly.

Preferably, the fan is connected with an air pipe, the air pipe is vertically arranged, and the upper end of the air pipe extends to the upper part of the closed space.

Through adopting above-mentioned technical scheme, the vertical setting of tuber pipe, the upper end of tuber pipe extends to enclosure's upper portion, because colder gas is by supreme down, consequently the air current of lower part more easily with the gas of higher temperature upwards remove, and then be convenient for the tuber pipe inhale carry out heat exchange with liquid distribution pipe again, the great gas of the timely discharge difference in temperature makes the temperature distribution in the enclosure more even.

Preferably, one side of the first side plate far away from the second side plate is provided with a baffle plate, one side of the baffle plate far away from the first side plate extends to the middle position of the separation assembly far away from, and the baffle plate is used for being lapped on the upper surface of the supporting bar.

Through adopting above-mentioned technical scheme, be provided with the baffle on the curb plate one, the baffle is taken at the upper surface of support bar, and then when separating the subassembly and using, the baffle can be better with separating the subassembly and install on two support bars, reduces falling of separating the subassembly.

Preferably, when the partition assembly is installed between two adjacent support bars, the lower plate is elastically deformed into a downwardly concave arc shape.

Through adopting above-mentioned technical scheme, when separating the subassembly setting between two support bars, hypoplastron atress warp, and then makes separating subassembly and support bar butt more easily under the elastic deformation of hypoplastron, keeps separating the sealed between subassembly and the support bar.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the liquid distributing pipes are distributed on the bottom plate, each two adjacent support bars enclose a ventilation channel, air enters the ventilation channels, air holes in the separating assembly can guide the air in the ventilation channels to the upper part of the separating assembly, and the liquid distributing pipes are distributed on the bottom plate to enable the distribution of cold air in the closed space to be uniform;

2. the inclined plate extends towards the middle part of the separation assembly, so that when sundries fall, the inclined plate can guide the sundries to move towards the middle part of the separation assembly, and the sundries are reduced from being accumulated at the positions of the air holes;

3. the middle part of the separation component is provided with the air holes with larger opening degree, so that the air flow is more uniformly distributed to the whole separation component, and further more uniformly distributed into the closed space.

Drawings

FIG. 1 is a schematic view of the interior of an enclosure according to an embodiment of the present application;

FIG. 2 is a schematic view showing a connection structure of an evaporator in the embodiment of the present application;

FIG. 3 is a schematic view of the mounting structure of the partition assembly in the embodiment of the present application;

FIG. 4 is a schematic view of an installation structure of a bellows box in the embodiment of the present application;

FIG. 5 is a schematic view showing the overall structure of a partition member in the embodiment of the present application;

fig. 6 is a schematic view of the structure of a refrigeration apparatus in the embodiment of the present application.

Description of reference numerals: 1. a closed space; 11. a base plate; 12. a top plate; 13. a wallboard; 2. a refrigeration device; 21. an outdoor unit; 211. a first valve; 212. a second valve; 213. a bypass pipe; 214. a condenser; 215. a compressor; 216. a water receiving tank; 22. an evaporator; 221. a liquid inlet header pipe; 222. a liquid separating pipe; 223. a liquid outlet main pipe; 23. a fan; 3. a support; 4. a supporting strip; 5. a partition assembly; 51. a lower plate; 52. a first side plate; 53. a second side plate; 54. a sloping plate; 55. a impurity receiving groove; 56. a baffle plate; 57. air holes are formed; 58. an airflow passive zone; 6. an air duct; 7. a bellows box; 71. an air outlet; 8. and (7) an air pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses ultra-low temperature combined type assembly freezer refrigerating system. Referring to fig. 1, the ultra-low temperature combined assembly refrigeration house refrigerating system comprises a closed space 1 and a refrigerating device 2, wherein the closed space 1 is formed by assembling a bottom plate 11, a top plate 12 and wall plates 13 which are made of heat insulation plates, and a storage door is arranged on at least one wall plate 13. The refrigeration equipment 2 comprises an outer machine 21, an evaporator 22 and a fan 23, wherein the evaporator 22 is laid above the bottom plate 11, the outer machine 21 is positioned outside the closed space 1 and connected with the evaporator 22, and the fan 23 is positioned in the closed space 1 and used for blowing air to the evaporator 22.

Referring to fig. 2, the evaporator 22 includes a liquid inlet header pipe 221, liquid distribution pipes 222 and a liquid outlet header pipe 223, the liquid distribution pipes 222 are disposed in parallel and spaced, a support 3 is disposed below the liquid distribution pipes 222 and fixed on the upper surface of the bottom plate 11 through the support 3, the liquid distribution pipes 222 are mounted on the support 3, and further the liquid distribution pipes 222 are supported by the support 3 to enable the liquid distribution pipes 222 to be disposed at a spaced distance from the upper surface of the bottom plate 11, the liquid inlet header pipe 221 is disposed at one end of the liquid distribution pipes 222, the liquid outlet header pipe 223 is disposed at the other end of the liquid distribution pipes 222 and is communicated with the liquid inlet header pipe 221, one end of the liquid distribution pipe 222, which is far away from the liquid inlet header pipe 221, is communicated with the liquid distribution header pipe 221, so that the liquid in the liquid inlet header pipe 221 can uniformly enter each liquid distribution pipe 222, the middle of the liquid inlet header pipe 221 is connected with the external machine 21, and one end of the liquid header pipe, which is far away from the liquid distribution pipe 222, is connected with the external machine 21.

Referring to fig. 3, a plurality of support bars 4 are arranged on the upper surface of the bottom plate 11, the support bars 4 are made of i-shaped steel, the support bars 4 are arranged in parallel in the length direction, the support bars 4 are fixed on the upper surface of the bottom plate 11 and arranged at intervals, a liquid distributing pipe 222 is arranged between two adjacent support bars 4, and the liquid distributing pipe 222 is arranged between every two support bars 4. A partition component 5 is arranged between two adjacent supporting strips 4, one side of the partition component 5 is connected to one supporting strip 4, the other side of the partition component 5 is connected to the other adjacent supporting strip 4, an air channel 6 is formed between the lower side of the partition component 5 and the opposite side walls of the two adjacent supporting strips 4, and a liquid distribution pipe 222 is arranged below the partition component 5 and is positioned inside the air channel 6.

Referring to fig. 4, the end portion of the supporting bar 4 is provided with the bellows box 7, the bellows box 7 is located between two adjacent supporting bars 4 and is located at the end portion of the air duct 6, the bellows box 7 is blocked at the end portion of the air duct 6, and the top of the bellows box 7 is provided with the fan 23, the air inlet of the fan 23 is connected with the air duct 8, the side wall of the air duct 6 facing the bellows box 7 is provided with an air outlet 71, the air duct 8 is vertically arranged, the upper end of the air duct 8 extends to the position of the top plate 12 to enable the upper end of the air duct 8 to be located at the upper portion of the enclosed space 1, and when the fan 23 works, hot air in the upper portion of the enclosed space 1 can be sucked to the position of the bottom plate 11 through the air duct 8, and then is blown into the air duct 6 through the air outlet 71, and heat exchange is performed with the liquid distributing pipe 222 in the air duct 6.

Referring to fig. 5, the partition assembly 5 is a long-bar structure as a whole, the partition assembly 5 includes a lower plate 51, a first side plate 52 and a second side plate 53, the first side plate 52 and the second side plate 53 are located in the same vertical plane, and one first side plate 52 and one second side plate 53 are a group and are provided with two groups, the two groups are respectively and oppositely disposed at two sides of the lower plate 51, the first side plate 52 is located above the second side plate 53, an inclined plate 54 is provided at a joint of the first side plate 52 and the second side plate 53, the inclined plate 54 and the first side plate 52 are integrally disposed, one side of the inclined plate 54 is connected to the first side plate 52, the other side is far away from the first side plate 52 and is inclined downwards, and the two inclined plates 54 extend towards the middle position of the partition assembly 5 and are disposed at intervals. An impurity receiving groove 55 is formed in the middle of the lower plate 51, the impurity receiving groove 55 is formed by downwardly arching the middle of the lower plate 51, and the cross section of the impurity receiving groove 55 may be a downwardly concave arc, a U-shape or a V-shape. When the partition assembly 5 is placed between two adjacent support bars 4, the opposite surfaces of the two first side plates 52 abut against the side edges of the two adjacent support bars 4, and the lower plate 51 is elastically deformed into a downward concave arc shape, so that the first side plates 52 are in sealing connection with the support bars 4. Be located that curb plate one 52 is kept away from on the edge of curb plate two 53 and be provided with baffle 56, baffle 56 sets up with curb plate one 52 an organic whole and is connected, baffle 56 level sets up, baffle 56 is kept away from in one side of curb plate to the middle part of keeping away from in partition assembly 5 and is extended, when partition assembly 5 placed between two support bars 4, baffle 56 pastes the upper surface at support bar 4, thereby can prevent that partition assembly 5 from droing from support bar 4, when debris fall into the position between two support bars 4, debris receive the effect of swash plate 54 and can fall into the centre and connect the miscellaneous groove 55 in the while.

Referring to fig. 5, a plurality of ventilation holes 57 are formed in the surface of the second side plate 53, the second side plate 53 and the side edge of the support bar 4 are arranged at intervals, so that the ventilation holes 57 are communicated with the ventilation duct 6, and the gas flows out from the ventilation holes 57 after heat exchange in the ventilation duct 6 and flows upwards out from the positions spaced by the two inclined plates 54. Meanwhile, the area enclosed by the space between the two groups of side plates 52 and the upper part of the inclined plate 54 is an airflow passive area 58. When the airflow stops flowing upwards, the heavier cold air is collected in the airflow passive area 58, and the air is not easy to pass through; when the gas with a large pressure continuously flows from bottom to top, the cold gas in the airflow passive area 58 is difficult to collect under the action of the kinetic energy of the gas, and the gas is easy to pass through. The air holes 57 of the second side plate 53 are formed in the middle of the second side plate 53 from one end of the second side plate 53 close to the fan 23, the air flow passing through the second side plate 53 is distributed in the whole area of the second side plate 53 and is uniform, and upward cold air is distributed uniformly. The opening degree refers to the proportion of the air holes 57 to the total area of the second side plate 53.

Referring to fig. 6, the outer unit 21 includes a first valve 211, a second valve 212, a bypass 213, a condenser 214, and a compressor 215, and both the first valve 211 and the second valve 212 are solenoid valves. The outlet of the compressor 215 is connected to the condenser 214, the first valve 211 is connected behind the condenser 214, the evaporator 22 is connected through the first valve 211, the evaporator 22 is connected to the inlet of the compressor 215, the second valve 212 is arranged on the bypass pipe 213 and is connected in parallel with the loop formed by the condenser 214 and the first valve 211, one end of the bypass pipe 213 is connected between the condenser 214 and the compressor 215, and the other end of the bypass pipe 213 is connected between the first valve 211 and the evaporator 22. When more ice is formed on the liquid separating pipe 222, the first valve 211 is closed, the second valve 212 is opened, the fan 23 stops working, the refrigerant with higher temperature behind the compressor 215 directly enters the liquid separating pipe 222, the ice formed on the outer wall of the liquid separating pipe 222 quickly falls off, more cold air is collected in the airflow passive area 58, hot air in the air duct 6 is not prone to breaking the airflow passive area 58, the hot air entering the upper portion of the separating assembly 5 is reduced, heat diffusion is reduced, and meanwhile the ice cube melting speed on the outer wall of the liquid separating pipe 222 is improved. Referring to fig. 3, the area below the airflow channel and between two adjacent support bars 4 is a water receiving groove 216, a water channel is left at the end of the water receiving groove 216, the water channel is perpendicular to the water receiving groove 216 and is communicated with each water receiving groove 216, and the water in the water channel is discharged out of the enclosed space 1 to reduce the outer wall of the liquid distribution pipe 222 from being frozen, so that the thermal efficiency of the refrigeration device 2 is improved.

The working process of the embodiment:

by inputting the refrigerant into the liquid distributing pipe 222, the fan 23 sucks the hotter gas at the upper part of the enclosed space 1 into the air duct 6 through the air pipe 8, the hotter gas exchanges heat with the liquid distributing pipe 222 in the air duct 6, the gas flows through the air flow passive area 58 through the air holes 57 formed in the second side plate 53, so that the temperature of the gas in the enclosed space 1 is reduced, the cooler gas is gradually increased from bottom to top, the heat efficiency can be improved, and the liquid distributing pipe 222 is distributed on the upper surface of the bottom plate 11, so that the temperature distribution in the enclosed space 1 is uniform.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.