An all-in-one refrigeration device and cold storage
By detecting evaporator frost with a defrosting temperature sensor and controlling high-temperature refrigerant defrosting with a four-way valve, the problem of increased energy consumption caused by evaporator frost in refrigeration units is solved, achieving a highly efficient defrosting process and reducing energy consumption.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHUHAI SAMYOU ENVIRONMENTAL TECH CO LTD
- Filing Date
- 2025-07-08
- Publication Date
- 2026-07-14
Smart Images
Figure CN224498805U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of cold storage refrigeration equipment, and particularly relates to an integrated refrigeration equipment and a cold storage. Background Technology
[0002] Currently, all existing cold storage refrigeration equipment on the market is of a split structure, which includes condensing units installed outdoors and refrigeration units installed indoors.
[0003] In existing cold storage facilities, refrigeration units are installed inside the cold storage, while condensing units are installed outside. The refrigeration unit includes an evaporator, and refrigerant is transported between the two units via refrigerant copper pipes. After prolonged use, the evaporator of the refrigeration unit will frost, resulting in poor cooling performance and reduced system energy consumption. Current technology uses electric heating elements in the refrigeration unit to defrost the evaporator when it frosts. However, installing electric heating elements in the refrigeration unit increases the overall energy consumption of the refrigeration unit. Utility Model Content
[0004] This utility model provides an integrated refrigeration device and cold storage. When the defrosting temperature sensor detects frost on the evaporator, the defrosting temperature sensor generates an electrical signal and sends it to the four-way valve. The four-way valve then transports the high-temperature refrigerant to the evaporator to defrost it, thereby reducing energy consumption.
[0005] In a first aspect, embodiments of this utility model provide an integrated refrigeration device, comprising:
[0006] shell;
[0007] A refrigeration unit is located inside the outer casing. The refrigeration unit includes an evaporator and a first fan. The first fan is located below the evaporator, and the air inlet side of the first fan is opposite to the air outlet side of the evaporator. A defrosting temperature sensor is provided on the surface of the evaporator.
[0008] A condensing unit is located inside the outer casing. The condensing unit includes a second fan, a refrigerant piping group, a condenser, and a four-way valve. The second fan is located between the condenser and the outer casing. The four-way valve, the condenser, and the evaporator are respectively connected through the refrigerant piping group. The defrosting temperature sensor is electrically connected to the four-way valve.
[0009] According to some embodiments of this utility model, the condensing unit includes an economizer, and the refrigerant pipe assembly includes a first refrigerant pipe, a second refrigerant pipe, a third refrigerant pipe, and a fourth refrigerant pipe. The first refrigerant pipe, the second refrigerant pipe, the third refrigerant pipe, and the fourth refrigerant pipe are all bidirectional refrigerant pipes. The evaporator is connected to the economizer through the first refrigerant pipe, the economizer is connected to the condenser through the second refrigerant pipe, the condenser is connected to the four-way valve through the third refrigerant pipe, and the four-way valve is connected to the evaporator through the fourth refrigerant pipe.
[0010] According to some embodiments of the present invention, the condensing unit includes a compressor, the refrigerant pipe group includes a fifth refrigerant pipe and a sixth refrigerant pipe, both the fifth and sixth refrigerant pipes are unidirectional refrigerant pipes, the input end of the fifth refrigerant pipe is connected to the second refrigerant pipe, the output end of the fifth refrigerant pipe is connected to the economizer, the input end of the sixth refrigerant pipe is connected to the economizer, and the output end of the sixth refrigerant pipe is connected to the compressor.
[0011] According to some embodiments of this utility model, the fifth refrigerant pipe is provided with an electronic expansion valve, the output end of the first refrigerant pipe near the economizer is provided with a first temperature sensor, the output end of the second refrigerant pipe near the condenser is provided with a second temperature sensor, and the sixth refrigerant pipe near the economizer is provided with a third temperature sensor. The first temperature sensor, the second temperature sensor, and the third temperature sensor are respectively electrically connected to the electronic expansion valve.
[0012] According to some embodiments of the present invention, the refrigerant pipe assembly includes a seventh refrigerant pipe and an eighth refrigerant pipe, both of which are unidirectional refrigerant pipes. The input end of the seventh refrigerant pipe is connected to the four-way valve, and the output end of the seventh refrigerant pipe is connected to the compressor. The input end of the eighth refrigerant pipe is connected to the compressor, and the output end of the eighth refrigerant pipe is connected to the four-way valve.
[0013] According to some embodiments of this utility model, the refrigerant pipe assembly includes a ninth refrigerant pipe, which is a unidirectional refrigerant pipe. The input end of the ninth refrigerant pipe is connected to the eighth refrigerant pipe, and the output end of the ninth refrigerant pipe is connected to the seventh refrigerant pipe. A low-pressure sensor is provided at the end of the seventh refrigerant pipe near the compressor, and a high-pressure switch is provided at the end of the eighth refrigerant pipe near the compressor. A solenoid valve is provided on the ninth refrigerant pipe, and the low-pressure sensor and the high-pressure switch are electrically connected to the solenoid valve, respectively.
[0014] According to some embodiments of the present invention, a first through hole and a second through hole are provided on one side of the outer casing, and a third through hole is provided on the side of the outer casing opposite to the first through hole and the second through hole. The air inlet side of the evaporator is connected to the first through hole, the air outlet side of the first fan is connected to the second through hole, and the air outlet side of the second fan is close to the third through hole.
[0015] Secondly, this utility model embodiment also provides a cold storage, including the integrated refrigeration equipment as described in the first aspect.
[0016] According to some embodiments of the present invention, the cold storage includes a panel, the panel includes mounting through holes, the integrated refrigeration equipment is installed in the mounting through holes, the air outlet side of the first fan and the air inlet side of the evaporator are located inside the cold storage, and the air outlet side of the second fan is located outside the cold storage.
[0017] According to some embodiments of the present invention, the cold storage is connected to the first fan via a first duct, and the cold storage is connected to the evaporator via a second duct. The input end of the first duct is connected to the air outlet side of the first fan, and the output side of the first duct is connected to the cold storage. The input end of the second duct is connected to the cold storage, and the output end of the second duct is connected to the air inlet side of the evaporator.
[0018] This utility model embodiment includes: a housing; a refrigeration unit located inside the housing, the refrigeration unit including an evaporator and a first fan, the first fan being located below the evaporator, the air inlet side of the first fan facing the air outlet side of the evaporator, and a defrost sensing bulb disposed on the surface of the evaporator; and a condensing unit located inside the housing, the condensing unit including a second fan, a refrigerant piping group, a condenser, and a four-way valve, the second fan being located between the condenser and the housing, the four-way valve, the condenser, and the evaporator being respectively connected via the refrigerant piping group, and the defrost sensing bulb being electrically connected to the four-way valve. According to the technical solution of this embodiment, when frost forms on the surface of the evaporator, the temperature value monitored by the defrost sensing bulb on the surface of the evaporator reaches a preset threshold, the defrost sensing bulb generates an electrical signal and sends the signal to the four-way valve, the four-way valve controls the opening of a designated oil port, transporting the high-temperature refrigerant in the refrigerant piping group to the evaporator, and achieving defrosting of the evaporator surface through the temperature of the high-temperature refrigerant. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the structure of an integrated refrigeration device provided in one embodiment of the present invention;
[0020] Figure 2This is a schematic diagram of the structure of a condensing unit and a refrigeration unit provided in another embodiment of the present invention;
[0021] Figure 3 This is a schematic diagram of a cold storage unit with mounting through holes provided in another embodiment of the present invention;
[0022] Figure 4 This is a schematic diagram of a cold storage unit with a first air duct and a second air duct provided in another embodiment of the present invention. Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.
[0024] It should be noted that although functional modules are divided in the device schematic diagram and a logical order is shown in the flowchart, in some cases, the steps shown or described may be performed in a different order than the module division in the device or the order in the flowchart. Terms such as "first," "objective," etc., in the specification, claims, or the aforementioned drawings are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.
[0025] This utility model provides an integrated refrigeration equipment and cold storage. The integrated refrigeration equipment includes: a shell; a refrigeration unit located inside the shell, the refrigeration unit including an evaporator and a first fan, the first fan being located below the evaporator, the air inlet side of the first fan being opposite to the air outlet side of the evaporator, and a defrost temperature sensor being provided on the surface of the evaporator; and a condensing unit located inside the shell, the condensing unit including a second fan, a refrigerant piping group, a condenser, and a four-way valve, the second fan being located between the condenser and the shell, the four-way valve, the condenser, and the evaporator being connected respectively through the refrigerant piping group, and the defrost temperature sensor being electrically connected to the four-way valve. According to the technical solution of this embodiment, when the surface of the evaporator is frosted, the temperature value monitored by the defrosting temperature sensor on the surface of the evaporator reaches a preset threshold. The defrosting temperature sensor generates an electrical signal and sends the electrical signal to the four-way valve. The four-way valve controls the designated oil port to open, transporting the high-temperature refrigerant in the refrigerant pipe group to the evaporator. The surface of the evaporator is defrosted by the temperature of the high-temperature refrigerant.
[0026] Reference Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the structure of an integrated refrigeration device provided in one embodiment of the present invention. Figure 2This is a schematic diagram of the structure of a condensing unit and a refrigeration unit provided in another embodiment of the present invention. The integrated refrigeration equipment 100 provided in this embodiment includes:
[0027] 10 for the outer casing;
[0028] The refrigeration unit is located inside the outer casing 10. The refrigeration unit includes an evaporator 21 and a first fan 22. The first fan 22 is located below the evaporator 21. The air inlet side of the first fan 22 is opposite to the air outlet side of the evaporator 21. A defrosting temperature sensing bulb 23 is provided on the surface of the evaporator 21.
[0029] The condensing unit is located inside the outer casing 10. The condensing unit includes a second fan 31, a refrigerant pipe assembly 32, a condenser 33, and a four-way valve 34. The second fan 31 is located between the condenser 33 and the outer casing 10. The four-way valve 34, the condenser 33, and the evaporator 21 are connected respectively through the refrigerant pipe assembly 32. The defrost temperature sensor 23 is electrically connected to the four-way valve 34.
[0030] It should be noted that the outer casing 10 has a hollow structure, providing installation space for the refrigeration unit and the condensing unit. Both the refrigeration unit and the condensing unit are installed inside the outer casing 10, and the internal connection between the condensing unit and the refrigeration unit is achieved through the refrigerant pipe assembly 32. Therefore, when using the integrated refrigeration equipment 100 of this application, it is not necessary to install the refrigeration unit, the condensing unit and the refrigerant copper pipe separately. The installation of the integrated refrigeration equipment 100 can be completed simply by installing the outer casing 10 in the preset installation position.
[0031] It should be noted that the refrigeration unit includes an evaporator 21 and a first fan 22. During operation, the evaporator 21 obtains air from the environment to be cooled. At this time, the air is at a high temperature. The evaporator 21 cools the air to obtain low temperature air. Since the air inlet side of the first fan 22 and the air outlet side of the evaporator 21 are opposite, the evaporator 21 transmits the low temperature air to the first fan 22. The first fan 22 delivers the low temperature air to the environment to be cooled, so as to realize the cooling operation of the environment to be cooled through the integrated refrigeration equipment 100.
[0032] It should be noted that the air is cooled by the low-temperature gaseous refrigerant in the evaporator 21 to obtain low-temperature air and high-temperature high-pressure gaseous refrigerant. The high-temperature high-pressure gaseous refrigerant is transported to the condenser 33 through the refrigerant pipe group. The condenser 33 exchanges heat between the high-temperature high-pressure gaseous refrigerant and the external environment to achieve the cooling operation of the high-temperature refrigerant and obtain liquid refrigerant. The second fan 31 is used to blow out the air that has exchanged heat with the high-temperature refrigerant to improve the cooling effect of the condenser 33 on the refrigerant.
[0033] It should be noted that the four-way valve 34, refrigerant piping 32, and defrost sensor 23 work together. The defrost sensor 23 is a temperature-sensing element used to monitor the surface temperature of the evaporator 21. When frost forms on the surface of the evaporator 21, the temperature value monitored by the defrost sensor 23 reaches a preset threshold. The defrost sensor 23 generates an electrical signal and sends the signal to the four-way valve 34, which is electrically connected to it. After receiving the electrical signal, the four-way valve 34 opens its oil port, allowing some of the high-temperature refrigerant to be transported to the evaporator 21 through the refrigerant piping 32. The high-temperature refrigerant temperature is used to defrost the surface of the evaporator 21. By using the four-way valve 34 for hot gas reversal, there is no need to set up an additional electric heating element, avoiding the high energy consumption of using electric auxiliary heating for defrosting, reducing the energy consumption of the integrated refrigeration equipment 100, and avoiding the electrical safety risks of the integrated refrigeration equipment 100.
[0034] It should be noted that the first fan 22 is a centrifugal fan without a volute, which further increases the air delivery distance of the fan and has advantages such as adjustable static pressure; the second fan 31 is an axial flow fan.
[0035] It should be noted that the structure of the integrated refrigeration equipment 100 of this application has already pre-completed the connection of the refrigerant pipes between the condensing unit and the refrigeration unit. Therefore, when installing the integrated refrigeration equipment 100, it is only necessary to install the outer shell 10 in the preset installation position. There is no need to install the condensing unit, the refrigeration unit and the refrigerant pipes separately. This can further avoid the risk of refrigerant pipe leakage and reduce the system heat loss caused by long refrigerant pipes, thereby improving the overall performance and energy efficiency.
[0036] It should be noted that installing the outer casing 10 of the integrated refrigeration unit 100 into the preset installation position completes the installation of the integrated refrigeration unit 100. When the integrated refrigeration unit 100 is running, and the surface of the evaporator 21 is frosted, the temperature value monitored by the defrosting temperature sensor 23 located on the surface of the evaporator 21 reaches the preset threshold. The defrosting temperature sensor 23 generates an electrical signal and sends the electrical signal to the four-way valve 34. The four-way valve 34 controls the designated oil port to open, transporting the high-temperature refrigerant in the refrigerant pipe assembly 32 to the evaporator 21. The temperature of the high-temperature refrigerant achieves defrosting of the surface of the evaporator 21.
[0037] Additionally, in one embodiment, reference is made to Figure 2The condensing unit includes an economizer 35, and the refrigerant pipe assembly 32 includes a first refrigerant pipe 321, a second refrigerant pipe 322, a third refrigerant pipe 323, and a fourth refrigerant pipe 324. The first refrigerant pipe 321, the second refrigerant pipe 322, the third refrigerant pipe 323, and the fourth refrigerant pipe 324 are all bidirectional refrigerant pipes. The evaporator 21 is connected to the economizer 35 through the first refrigerant pipe 321, the economizer 35 is connected to the condenser 33 through the second refrigerant pipe 322, the condenser 33 is connected to the four-way valve 34 through the third refrigerant pipe 323, and the four-way valve 34 is connected to the evaporator 21 through the fourth refrigerant pipe 324.
[0038] It should be noted that the first refrigerant pipe 321 is equipped with an electronic expansion valve 3251, which is used to control the amount of refrigerant transported between the evaporator 21 and the economizer 35.
[0039] It should be noted that the first refrigerant pipe 321, the second refrigerant pipe 322 and the fourth refrigerant pipe 324 are all equipped with filters, which are used to filter impurities in the refrigerant.
[0040] It should be noted that the economizer 35 is a liquid storage economizer 35. By adding the economizer 35, the subcooling of the refrigerant is increased, the outlet liquid temperature of the refrigeration unit is reduced, thereby effectively improving the cooling capacity and energy efficiency of the integrated refrigeration equipment 100, and further reducing the overall energy consumption of the integrated refrigeration equipment 100.
[0041] Additionally, in one embodiment, reference is made to Figure 2 The condensing unit includes a compressor 36, and the refrigerant pipe assembly 32 includes a fifth refrigerant pipe 325 and a sixth refrigerant pipe 326. Both the fifth refrigerant pipe 325 and the sixth refrigerant pipe 326 are unidirectional refrigerant pipes. The input end of the fifth refrigerant pipe 325 is connected to the second refrigerant pipe 322, and the output end of the fifth refrigerant pipe 325 is connected to the economizer 35. The input end of the sixth refrigerant pipe 326 is connected to the economizer 35, and the output end of the sixth refrigerant pipe 326 is connected to the compressor 36.
[0042] It should be noted that the compressor 36 is an enthalpy-increasing rotary compressor 36. The compressor 36 pressurizes the low-temperature, low-pressure refrigerant to obtain a high-temperature, high-pressure refrigerant, and then transports the high-temperature, high-pressure refrigerant to the condenser 33 through the refrigerant pipe group 32 for heat exchange. The condenser 33 is used to cool down the high-temperature refrigerant.
[0043] Additionally, in one embodiment, reference is made to Figure 2The fifth refrigerant pipe 325 is equipped with an electronic expansion valve 3251. The first refrigerant pipe 321 is equipped with a first temperature sensor 3211 at the output end near the economizer 35. The second refrigerant pipe 322 is equipped with a second temperature sensor 3221 at the output end near the condenser 33. The sixth refrigerant pipe 326 is equipped with a third temperature sensor 3261 at the end near the economizer 35. The first temperature sensor 3211, the second temperature sensor 3221 and the third temperature sensor 3261 are electrically connected to the electronic expansion valve 3251.
[0044] It should be noted that the first temperature sensor 3211 is used to obtain the temperature of the medium-temperature refrigerant output by the economizer 35, the second temperature sensor 3221 is used to obtain the temperature of the low-temperature refrigerant output by the condenser 33, and the third temperature sensor 3261 is used to obtain the temperature of the medium-temperature refrigerant output by the economizer 35. When the temperature obtained by the second temperature sensor 3221 or the third temperature sensor 3261 exceeds a preset threshold, the second temperature sensor 3221 or the third temperature sensor 3261 generates an electrical signal and sends it to the electronic expansion valve 3251. The electronic expansion valve 3251 opens so that the low-temperature refrigerant output by the condenser 33 is unidirectionally output to the economizer 35 through the second refrigerant pipe 322, thereby reducing the temperature in the economizer 35.
[0045] Additionally, in one embodiment, reference is made to Figure 2 The refrigerant pipe assembly 32 includes a seventh refrigerant pipe 327 and an eighth refrigerant pipe 328. Both the seventh refrigerant pipe 327 and the eighth refrigerant pipe 328 are unidirectional refrigerant pipes. The inlet end of the seventh refrigerant pipe 327 is connected to a four-way valve 34, and the outlet end of the seventh refrigerant pipe 327 is connected to a compressor 36. The inlet end of the eighth refrigerant pipe 328 is connected to the compressor 36, and the outlet end of the eighth refrigerant pipe 328 is connected to the four-way valve 34.
[0046] It should be noted that the refrigerant is connected to the four-way valve 34 through the seventh refrigerant pipe 327 and the eighth refrigerant pipe 328. The low-temperature and low-pressure refrigerant is transported to the compressor 36 through the four-way valve 34 and the seventh refrigerant pipe 327. The compressor 36 performs work on the low-temperature and low-pressure refrigerant to obtain high-temperature and high-pressure refrigerant. The high-temperature and high-pressure refrigerant is then transported to the condenser through the eighth refrigerant pipe 328. The condenser achieves heat exchange of the high-temperature refrigerant to obtain low-temperature refrigerant, thus realizing the complete working process of the integrated refrigeration equipment 100.
[0047] Additionally, in one embodiment, reference is made to Figure 2The refrigerant pipe assembly 32 includes a ninth refrigerant pipe 329, which is a one-way refrigerant pipe. The input end of the ninth refrigerant pipe 329 is connected to the eighth refrigerant pipe 328, and the output end of the ninth refrigerant pipe 329 is connected to the seventh refrigerant pipe 327. A low-pressure sensor 3271 is provided at the end of the seventh refrigerant pipe 327 near the compressor 36. A high-pressure switch 3281 is provided at the end of the eighth refrigerant pipe 328 near the compressor 36. A solenoid valve 3291 is provided on the ninth refrigerant pipe 329. The low-pressure sensor 3271 and the high-pressure switch 3281 are electrically connected to the solenoid valve 3291.
[0048] It should be noted that solenoid valve 3291 is a bypass solenoid valve. The compressor 36 pressurizes the refrigerant. A low-pressure sensor 3271 detects the pressure of the refrigerant entering the compressor 36, and a high-pressure switch 3281 detects the pressure of the refrigerant output from the compressor 36. When the value monitored by the high-pressure switch 3281 exceeds a preset threshold, indicating that the compressor 36 is performing excessive work on the refrigerant, the high-pressure switch 3281 generates an electrical signal and sends it to solenoid valve 3291. This enables unidirectional transport of the high-pressure refrigerant in the eighth refrigerant pipe 328 to the low-pressure refrigerant in the seventh refrigerant pipe 327, thereby reducing the pressure in the eighth refrigerant pipe 328.
[0049] Additionally, in one embodiment, reference is made to Figure 1 and Figure 2 The outer casing 10 has a first through hole 11 and a second through hole 12 on one side, and a third through hole 13 on the side of the outer casing 10 opposite to the first through hole 11 and the second through hole 12. The air inlet side of the evaporator 21 is connected to the first through hole 11, the air outlet side of the first fan 22 is connected to the second through hole 12, and the air outlet side of the second fan 31 is close to the third through hole 13.
[0050] It should be noted that by setting the first through hole 12 and the third through hole 13, the evaporator 21 can obtain air from the environment to be cooled through the first through hole 11, the first fan 22 can deliver low-temperature air to the environment to be cooled through the second through hole 12, and the second fan 31 can output high-temperature air to the external environment through the third through hole 13.
[0051] It should be noted that the outer casing 10 is also provided with a fourth through hole, which is used to allow air from the external environment to enter the condenser unit, thereby enabling the air passing through the condenser 33 to circulate quickly and improve the cooling effect of the condenser 33.
[0052] It should be noted that during use, the integrated refrigeration unit 100 is installed by mounting the outer casing 10 in the preset installation position. During the operation of the integrated refrigeration unit 100, frost forms on the surface of the evaporator 21. When the temperature monitored by the defrost sensing bulb 23 reaches the preset threshold, the defrost sensing bulb 23 generates an electrical signal and sends it to the four-way valve 34. The four-way valve 34 opens the designated oil port, allowing high-temperature refrigerant to be transported to the evaporator 21, thus defrosting the evaporator 21. When the temperature monitored by the second sensing bulb 3221 or the third sensing bulb 3261 reaches the preset threshold, the second sensing bulb 3221 or the third sensing bulb 3261... 1. An electrical signal is generated and sent to the electronic expansion valve 3251 so that the low-temperature refrigerant output from the condenser 33 is transported unidirectionally to the economizer 35 via the second refrigerant pipe 322 and the fifth refrigerant pipe 325; when the pressure value monitored by the high-pressure switch 3281 is greater than the preset threshold, the high-pressure switch 3281 generates an electrical signal and sends it to the solenoid valve 3291 so that the high-pressure refrigerant located in the eighth refrigerant pipe 328 is transported unidirectionally to the seventh refrigerant pipe 327 to reduce the pressure of the eighth refrigerant pipe 328. In the refrigeration process of the integrated refrigeration equipment 100, the refrigeration flow is as follows: the condenser 33 outputs low-temperature refrigerant, which is transported to the economizer 35 via the second refrigerant pipe 322. The economizer 35 then transports the low-temperature refrigerant to the evaporator 21 via the first refrigerant pipe 321. The evaporator 21 then transports the refrigerant to the four-way valve 34 via the fourth refrigerant pipe 324. The four-way valve 34 then transports the refrigerant to the condenser 33 via the third refrigerant pipe 323. The defrosting flow is as follows: the evaporator 21 outputs high-temperature refrigerant to the economizer 35 via the first refrigerant pipe 321. The economizer 35 then transports the refrigerant to the condenser 33 via the second refrigerant pipe 322. The condenser 33 then transports the refrigerant to the four-way valve 34 via the third refrigerant pipe 323. The four-way valve 34 then transports the high-temperature refrigerant to the evaporator 21 via the fourth refrigerant pipe 324. The compressor 36 pressurizes the low-pressure refrigerant transported via the sixth refrigerant pipe 326 and the seventh refrigerant pipe 327 to obtain high-pressure refrigerant.
[0053] In one embodiment, reference is made to Figure 3 and Figure 4 This utility model embodiment also provides a cold storage 200, which includes the integrated refrigeration equipment 100 as described above.
[0054] It should be noted that the internal environment of the cold storage 200 is cooled by the integrated refrigeration equipment 100.
[0055] Additionally, in one embodiment, reference is made to Figure 3 , Figure 3This is a schematic diagram of a cold storage unit with mounting through holes provided in another embodiment of the present invention. The cold storage unit 200 includes a storage panel 210, which includes mounting through holes. An integrated refrigeration unit 100 is installed in the mounting through holes. The air outlet side of the first fan 22 and the air inlet side of the evaporator 21 are located inside the cold storage unit 200, and the air outlet side of the second fan 31 is located outside the cold storage unit 200.
[0056] It should be noted that the internal environment of the cold storage 200 is hollow and consists of multiple panels 210. Through holes are provided in the panels 210 to facilitate the rapid installation of the integrated refrigeration equipment 100. This also reduces the negative impact of long refrigerant pipes on the overall performance and energy efficiency of the integrated refrigeration equipment 100 and eliminates the risk of refrigerant leakage caused by the installation of long refrigerant pipes.
[0057] Additionally, in one embodiment, reference is made to Figure 4 , Figure 4 This is a schematic diagram of a cold storage unit provided in another embodiment of the present invention, which is equipped with a first air duct and a second air duct. The cold storage unit 200 is connected to a first fan 22 via the first air duct 220 and to an evaporator 21 via the second air duct 230. The input end of the first air duct 220 is connected to the air outlet side of the first fan 22, and the output side of the first air duct 220 is connected to the cold storage unit 200. The input end of the second air duct 230 is connected to the cold storage unit 200, and the output end of the second air duct 230 is connected to the air inlet side of the evaporator 21.
[0058] It should be noted that by setting up the first air duct 220 and the second air duct 230, the airflow organization inside the cold storage 200 is improved, resulting in better air circulation inside the cold storage 200. The air outlet side of the second fan 31 is located outside the cold storage 200.
[0059] Other embodiments of this application will readily occur to those skilled in the art upon consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of this application that follow the general principles of this application and include common knowledge or customary techniques in the art not disclosed herein.
[0060] It should be understood that this application is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this application is limited only by the appended claims.
[0061] The above is a detailed description of the preferred embodiments of the present utility model. However, the present utility model is not limited to the above embodiments. Those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model. All such equivalent modifications or substitutions are included within the scope defined by the claims of the present utility model.
Claims
1. An integrated refrigeration device, characterized in that, include: shell; A refrigeration unit is located inside the outer casing. The refrigeration unit includes an evaporator and a first fan. The first fan is located below the evaporator, and the air inlet side of the first fan is opposite to the air outlet side of the evaporator. A defrosting temperature sensor is provided on the surface of the evaporator. A condensing unit is located inside the outer casing. The condensing unit includes a second fan, a refrigerant piping group, a condenser, and a four-way valve. The second fan is located between the condenser and the outer casing. The four-way valve, the condenser, and the evaporator are respectively connected through the refrigerant piping group. The defrosting temperature sensor is electrically connected to the four-way valve.
2. The integrated refrigeration equipment according to claim 1, characterized in that, The condensing unit includes an economizer, and the refrigerant piping group includes a first refrigerant pipe, a second refrigerant pipe, a third refrigerant pipe, and a fourth refrigerant pipe. The first, second, third, and fourth refrigerant pipes are all bidirectional refrigerant pipes. The evaporator is connected to the economizer via the first refrigerant pipe, the economizer is connected to the condenser via the second refrigerant pipe, the condenser is connected to the four-way valve via the third refrigerant pipe, and the four-way valve is connected to the evaporator via the fourth refrigerant pipe.
3. The integrated refrigeration equipment according to claim 2, characterized in that, The condensing unit includes a compressor, and the refrigerant pipe assembly includes a fifth refrigerant pipe and a sixth refrigerant pipe. Both the fifth and sixth refrigerant pipes are unidirectional refrigerant pipes. The input end of the fifth refrigerant pipe is connected to the second refrigerant pipe, and the output end of the fifth refrigerant pipe is connected to the economizer. The input end of the sixth refrigerant pipe is connected to the economizer, and the output end of the sixth refrigerant pipe is connected to the compressor.
4. The integrated refrigeration equipment according to claim 3, characterized in that, The fifth refrigerant pipe is equipped with an electronic expansion valve. The first refrigerant pipe is equipped with a first temperature sensor at its output end near the economizer. The second refrigerant pipe is equipped with a second temperature sensor at its output end near the condenser. The sixth refrigerant pipe is equipped with a third temperature sensor at its output end near the economizer. The first, second, and third temperature sensors are electrically connected to the electronic expansion valve.
5. The integrated refrigeration equipment according to claim 3, characterized in that, The refrigerant pipe assembly includes a seventh refrigerant pipe and an eighth refrigerant pipe, both of which are unidirectional refrigerant pipes. The input end of the seventh refrigerant pipe is connected to the four-way valve, and the output end of the seventh refrigerant pipe is connected to the compressor. The input end of the eighth refrigerant pipe is connected to the compressor, and the output end of the eighth refrigerant pipe is connected to the four-way valve.
6. The integrated refrigeration equipment according to claim 5, characterized in that, The refrigerant pipe assembly includes a ninth refrigerant pipe, which is a one-way refrigerant pipe. The input end of the ninth refrigerant pipe is connected to the eighth refrigerant pipe, and the output end of the ninth refrigerant pipe is connected to the seventh refrigerant pipe. A low-pressure sensor is installed at the end of the seventh refrigerant pipe near the compressor, and a high-pressure switch is installed at the end of the eighth refrigerant pipe near the compressor. A solenoid valve is installed on the ninth refrigerant pipe, and the low-pressure sensor and the high-pressure switch are electrically connected to the solenoid valve.
7. The integrated refrigeration equipment according to claim 1, characterized in that, The outer casing has a first through hole and a second through hole on one side, and a third through hole on the side of the outer casing opposite to the first through hole and the second through hole. The air inlet side of the evaporator is connected to the first through hole, the air outlet side of the first fan is connected to the second through hole, and the air outlet side of the second fan is close to the third through hole.
8. A cold storage facility, characterized in that: Includes the integrated refrigeration equipment as described in any one of claims 1 to 7.
9. The cold storage facility according to claim 8, characterized in that, The cold storage includes a panel with mounting holes. The integrated refrigeration equipment is installed in the mounting holes. The air outlet side of the first fan and the air inlet side of the evaporator are located inside the cold storage, and the air outlet side of the second fan is located outside the cold storage.
10. The cold storage facility according to claim 8, characterized in that, The cold storage is connected to the first fan via a first duct, and the cold storage is connected to the evaporator via a second duct. The input end of the first duct is connected to the air outlet side of the first fan, and the output end of the first duct is connected to the cold storage. The input end of the second duct is connected to the cold storage, and the output end of the second duct is connected to the air inlet side of the evaporator.