Refrigeration control system of water drinking equipment and water drinking equipment

Abstract

The invention relates to the technical field of water drinking equipment, and discloses a refrigerating system of water drinking equipment, which comprises an ice making box, a refrigerating system and a control system, the condenser is arranged in the ice making box; the inverter compressor is connected with the condenser and is used for refrigerating and ice-making water in the ice-making box through the condenser; the variable-frequency control panel is connected with the variable-frequency compressor; and the control module is arranged on the variable-frequency control panel and used for obtaining the temperature of the variable-frequency control panel when the water drinking equipment is in the refrigerating and ice-making working condition and controlling the operation frequency of the variable-frequency compressor according to the temperature. Therefore, when the drinking water equipment is in the refrigerating and ice-making working condition, the temperature of the variable-frequency control panel is obtained, and the operation frequency of the variable-frequency compressor is controlled according to the temperature, so that the temperature of the variable-frequency control panel can be prevented from being too high, the performance of the drinking water equipment can be improved, the overall service life of the equipment can be prolonged, and the maintenance cost is reduced.

Description

Technical Field

[0001] The present invention relates to the technical field of drinking water equipment, and in particular to a refrigeration control system for drinking water equipment and drinking water equipment. Background Art

[0002] In the design of the refrigeration system of related drinking water equipment, a fixed full-frequency compressor is generally used to achieve the refrigeration and ice-making functions. However, this design has obvious limitations: the continuous full-power operation of the compressor not only causes the inverter board and its components to overheat due to high-load operation, accelerates the aging process of the components, but also may cause a series of safety hazards. In addition, overheating will also affect the performance of drinking water equipment, such as reducing refrigeration efficiency and ice-making speed, which is particularly obvious in high temperature environments, and also shortens the overall service life of the equipment, increasing the maintenance burden and cost of users. Summary of the invention

[0003] The present invention aims to solve at least one of the technical problems in the related art to a certain extent. To this end, the first purpose of the present invention is to provide a refrigeration system for a drinking water device, which can prevent the temperature of the frequency conversion control board from overheating and improve the performance of the drinking water device by obtaining the temperature of the frequency conversion control board when the drinking water device is in a refrigeration and ice-making state, and controlling the operating frequency of the frequency conversion compressor according to the temperature, thereby improving the service life of the entire device and reducing maintenance costs.

[0004] The second object of the present invention is to provide a drinking water device.

[0005] In order to achieve the above-mentioned purpose, the first aspect of the present invention proposes a refrigeration system for drinking water equipment, wherein the refrigeration system includes: a refrigerator; a condenser, which is arranged in the refrigerator; a variable frequency compressor, which is connected to the condenser and is used to refrigerate and make ice on water in the refrigerator through the condenser; a variable frequency control board, which is connected to the variable frequency compressor; and a control module, which is arranged on the variable frequency control board and is used to obtain the temperature of the variable frequency control board when the drinking water equipment is in a refrigeration and ice-making condition, and control the operating frequency of the variable frequency compressor according to the temperature.

[0006] According to the refrigeration system of the drinking water equipment proposed in the example of the present invention, by obtaining the temperature of the frequency conversion control board when the drinking water equipment is in the refrigeration and ice-making condition, and controlling the operating frequency of the frequency conversion compressor according to the temperature, it is possible to prevent the temperature of the frequency conversion control board from overheating and improve the performance of the drinking water equipment, thereby increasing the overall service life of the equipment and reducing maintenance costs.

[0007] In addition, the refrigeration system of the drinking water equipment according to the present invention may also include the following additional technical features:

[0008] According to one embodiment of the present invention, the refrigeration system further includes a cold water tank and an ice storage bin, the inlet of the ice storage bin is arranged opposite to the outlet of the ice making bin, the cold water tank is arranged below the ice making bin, and at least one water leakage hole is provided at the bottom of the ice making bin.

[0009] According to one embodiment of the present invention, the ice making refrigerator includes an ice sweeping module and an ice storing module, the ice storing module is arranged between the condenser and the cold water tank, the ice sweeping module is arranged between the condenser and the ice storing module, and the ice sweeping module can rotate back and forth around the condenser to sweep the ice cubes in the ice storing module to the ice storage bin for storage along the outlet direction of the ice making refrigerator.

[0010] According to one embodiment of the present invention, the condenser includes a first structure and a second structure, the first structure is a strip-shaped structure, the second structure includes a plurality of protrusions, the plurality of protrusions are evenly arranged on the first structure, and the extension direction of the plurality of protrusions is perpendicular to the first structure.

[0011] According to an embodiment of the present invention, an ice scraper is provided at one end of the ice sweeping module, and the ice scraper sweeps the ice cubes in the ice holding module along the outlet direction of the ice making refrigerator when the ice sweeping module rotates back and forth.

[0012] According to an embodiment of the present invention, at least one guide groove is provided at the other end of the ice-sweeping module.

[0013] According to one embodiment of the present invention, the control module is used to: when the temperature of the frequency conversion control board is less than or equal to the first preset temperature, control the operating frequency of the frequency conversion compressor to a first preset frequency; when the temperature of the frequency conversion control board is greater than the first preset temperature and less than or equal to the second preset temperature, control the operating frequency of the frequency conversion compressor to a second preset frequency, and the second preset frequency is less than the first preset frequency; when the temperature of the frequency conversion control board is greater than the second preset temperature and less than or equal to the third preset temperature, control the operating frequency of the frequency conversion compressor to a third preset frequency, and the third preset frequency is less than the second preset frequency; when the temperature of the frequency conversion control board is greater than the third preset temperature, control the operating frequency of the frequency conversion compressor to a fourth preset frequency, and the fourth preset frequency is less than the third preset frequency.

[0014] According to one embodiment of the present invention, the control module is also used to: obtain the ice storage status in the ice storage bin and the cold water temperature in the cold water tank; when the ice storage status is a full ice state and the cold water temperature is less than a fourth preset temperature, control the variable frequency compressor to be in a shutdown state; when the ice storage status is a not full ice state or the cold water temperature is greater than a fifth preset temperature, control the drinking water equipment to be in the refrigeration and ice-making condition, wherein the fifth preset temperature is greater than the fourth preset temperature.

[0015] According to an embodiment of the present invention, the control module obtains the temperature of the variable frequency control board at a preset frequency, wherein the value range of the preset frequency is [20 seconds / time, 60 seconds / time].

[0016] The second object of the present invention is to provide a drinking water device, comprising the refrigeration system of the drinking water device of the aforementioned embodiment of the present invention.

[0017] According to the drinking water equipment of the embodiment of the present invention, by adopting the refrigeration system of the drinking water equipment of the above-mentioned embodiment of the present invention, by obtaining the temperature of the frequency conversion control board when the drinking water equipment is in the refrigeration and ice-making condition, and controlling the operating frequency of the frequency conversion compressor according to the temperature, the temperature of the frequency conversion control board can be prevented from overheating, and the performance of the drinking water equipment can be improved, thereby increasing the overall service life of the equipment and reducing maintenance costs.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a block diagram of a refrigeration system of a drinking water device according to an embodiment of the present invention;

[0020] Figure 2 is a schematic diagram of the structure of a drinking water device according to one embodiment of the present invention;

[0021] Figure 3 is a schematic structural diagram of a drinking water device according to another embodiment of the present invention;

[0022] Figure 4 Schematic diagram of a drinking water device according to an embodiment of the present invention.

[0023] Reference numerals:

[0024] Refrigerator 10, condenser 11, variable frequency compressor 12, variable frequency control board 13, control module 14, cold water tank 15, ice storage bin 16, water leakage hole 17, ice sweeping module 18, ice holding module 19, first structure 20, second structure 21, ice scraper 22, guide groove 23, refrigeration system 100 of drinking water equipment, drinking water equipment 1000. DETAILED DESCRIPTION

[0025] Embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0026] The following describes a refrigeration control system for drinking water equipment and a drinking water equipment according to an embodiment of the present invention with reference to the accompanying drawings.

[0027] Figure 1 Schematic diagram of a cooling system for drinking water equipment according to an embodiment of the present invention.

[0028] Specifically, in some embodiments of the present invention, Figure 1 As shown, the refrigeration system 100 of the drinking water equipment includes: a refrigerator 10; a condenser 11, which is arranged in the refrigerator 10; a variable frequency compressor 12, which is connected to the condenser 11 and is used to refrigerate and make ice for water in the refrigerator 10 through the condenser 11; a variable frequency control board 13, which is connected to the variable frequency compressor 12; a control module 14, which is arranged on the variable frequency control board 13, and is used to obtain the temperature of the variable frequency control board 13 when the drinking water equipment 1000 is in a refrigeration and ice-making condition, and control the operating frequency of the variable frequency compressor 12 according to the temperature.

[0029] Specifically, in this embodiment, a temperature sensor may be installed on the control board, and then when the drinking water is in the refrigeration and ice-making state, the temperature of the control board is obtained through the temperature sensor. In addition, the present invention may not specifically limit the method of obtaining the temperature of the control board. For example, the temperature of the control board may also be obtained through infrared temperature measurement technology. After obtaining the temperature of the control panel, five temperature control intervals can be preset, each interval corresponds to an operating frequency of the variable frequency compressor 12. For example, when the temperature of the control panel is in the first temperature interval, the operating frequency of the variable frequency compressor 12 is controlled to be the first preset frequency. When the temperature of the control panel is in the second temperature interval, the operating frequency of the variable frequency compressor 12 is controlled to be the second preset frequency, wherein the second preset frequency is less than the first preset frequency. When the temperature of the control panel is in the third temperature interval, the operating frequency of the variable frequency compressor 12 is controlled to be the third preset frequency, wherein the third preset frequency is less than the second preset frequency. When the temperature of the control panel is in the fourth temperature interval, the operating frequency of the variable frequency compressor 12 is controlled to be the fourth preset frequency, wherein the fourth preset frequency is less than the third preset frequency. When the temperature of the control panel is in the fifth temperature interval, the operating frequency of the variable frequency compressor 12 is controlled to be the fifth preset frequency, wherein the fifth preset frequency is less than the fourth preset frequency. In addition, the present invention may not impose specific restrictions on the number of preset control intervals. For example, four temperature control intervals may be preset.

[0030] Further, in some embodiments of the present invention, Figure 2 As shown, the refrigeration system further includes a cold water tank 15 and an ice storage bin 16. The inlet of the ice storage bin 16 is arranged opposite to the outlet of the ice making bin 10. The cold water tank 15 is arranged below the ice making bin 10. At least one water leakage hole 17 is provided at the bottom of the ice making bin 10.

[0031] Specifically, in this embodiment, the refrigeration system further includes a cold water tank 15 and a storage ice 16, the inlet of the storage ice 16 is arranged opposite to the outlet of the refrigerator 10, the cold water tank 15 is arranged below the refrigerator 10, and at least one water leakage hole 17 is arranged at the bottom of the refrigerator 10. When the cold water in the refrigerator 10 is full, it overflows through the guide groove 23 and flows to the water leakage hole 17 at the bottom of the refrigerator 10, and then the cold water is transported to the cold water tank 15 through the water leakage hole 17. Among them, the number of the at least one water leakage hole 17 arranged at the bottom of the refrigerator 10 can be 3, 4 or 6, etc., and the number of the water leakage holes 17 is not specifically limited here.

[0032] Further, in some embodiments of the present invention, Figure 2As shown, the ice making refrigerator 10 includes an ice sweeping module 18 and an ice storing module 19. The ice storing module 19 is arranged between the condenser 11 and the cold water tank 15. The ice sweeping module 18 is arranged between the condenser 11 and the ice storing module 19, and the ice sweeping module 18 can rotate back and forth around the condenser 11 to sweep the ice cubes in the ice storing module 19 to the ice storage bin 16 for storage along the outlet direction of the ice making refrigerator 10.

[0033] Specifically, in this embodiment, the ice making refrigerator 10 includes an ice sweeping module 18 and an ice storing module 19. The ice storing module 19 is arranged between the condenser 11 and the cold water tank 15. The ice sweeping module 18 is arranged between the condenser 11 and the ice storing module 19, and the ice sweeping module 18 can rotate back and forth around the condenser 11. In the process of the ice sweeping module 18 rotating back and forth around the condenser 11, the cold water and ice cubes in the ice making refrigerator 10 first fall into the ice storing module 19, so that the cold water flows into the cold water tank 15 through at least one leakage hole 17 for storage, and the ice cubes are swept to the ice storage bin 16 for storage along the outlet direction of the ice making refrigerator 10 under the rotation of the ice sweeping module 18.

[0034] Further, in some embodiments of the present invention, Figure 2 and Figure 3 As shown, the condenser 11 includes a first structure 20 and a second structure 21, the first structure 20 is a strip-shaped structure, and the second structure 21 includes a plurality of protrusions, which are evenly arranged on the first structure 20, and the extension direction of the plurality of protrusions is perpendicular to the first structure 20. By increasing the contact area between the condenser 11 and the cold water in the ice making refrigerator 10, the efficiency of refrigeration and ice making can be improved, and the effect of uniform refrigeration can be achieved.

[0035] Further, in some embodiments of the present invention, Figure 2 As shown, an ice scraper 22 is provided at one end of the ice scraper module 18 , and the ice scraper 22 scrapes the ice cubes in the ice storage module 19 along the exit direction of the ice making refrigerator 10 when the ice scraper module 18 rotates back and forth.

[0036] Specifically, in this embodiment, an ice scraper 22 is provided at one end of the ice sweeping module 18. When the ice sweeping module 18 rotates back and forth around the condenser 11, the cold water and ice cubes in the ice making refrigerator 10 first fall into the ice holding module 19, so that the cold water flows into the cold water tank 15 through at least one leaking hole 17 for storage. As the ice sweeping module 18 rotates, the ice cubes are swept along the outlet direction of the ice making refrigerator 10 by the ice scraper 22 on the ice sweeping module 18, so that the ice cubes are swept into the ice storage bin 16 for storage.

[0037] Optionally, in this real-time example, at least one water leakage hole 17 is provided at the connection between the ice scraper 22 and the ice sweeping module 18 .

[0038] Further, in some embodiments of the present invention, Figure 2As shown, at least one guide groove 23 is provided at the other end of the ice sweeping module 18. The number of the guide grooves 23 may be one, two, or three, and the present invention may not specifically limit the number of the guide grooves 23. When the cold water in the ice making refrigerator 10 is full, the cold water may overflow through the guide groove 23 and flow to the water leakage hole 17, and then flow into the cold water tank 15 through the water leakage hole 17 for storage.

[0039] Further, in some embodiments of the present invention, the control module 14 is used to: when the temperature of the frequency conversion control board 13 is less than or equal to the first preset temperature, control the operating frequency of the frequency conversion compressor 12 to be a first preset frequency; when the temperature of the frequency conversion control board 13 is greater than the first preset temperature and less than or equal to the second preset temperature, control the operating frequency of the frequency conversion compressor 12 to be a second preset frequency, and the second preset frequency is less than the first preset frequency; when the temperature of the frequency conversion control board 13 is greater than the second preset temperature and less than or equal to the third preset temperature, control the operating frequency of the frequency conversion compressor 12 to be a third preset frequency, and the third preset frequency is less than the second preset frequency; when the temperature of the frequency conversion control board 13 is greater than the third preset temperature, control the operating frequency of the frequency conversion compressor 12 to be a fourth preset frequency, and the fourth preset frequency is less than the third preset frequency.

[0040] Specifically, in this embodiment, after the temperature of the variable frequency control board 13 is obtained, if the temperature of the variable frequency control board 13 is less than or equal to the first preset temperature, the operating frequency of the variable frequency compressor 12 is controlled to be the first preset frequency, wherein the first preset temperature may be preferably 80 degrees Celsius, and the first preset frequency may be preferably 4200 rpm (Revolutions PerMinute, the number of revolutions per minute), if the temperature of the frequency conversion control board 13 is greater than the first preset temperature and less than or equal to the second preset temperature, the operating frequency of the frequency conversion compressor 12 is controlled to be the second preset frequency, wherein the second preset temperature can be preferably 85 degrees Celsius, and the second preset frequency can be preferably 3000rpm, if the temperature of the frequency conversion control board 13 is greater than the second preset temperature and less than or equal to the third preset temperature, the operating frequency of the frequency conversion compressor 12 is controlled to be the third preset frequency, wherein the third preset temperature can be preferably 88 degrees Celsius, and the third preset frequency can be preferably 2500rpm, if the temperature of the frequency conversion control board 13 is greater than the third preset temperature, the operating frequency of the frequency conversion compressor 12 is controlled to be the fourth preset frequency, wherein the third preset temperature can be preferably 88 degrees Celsius, and the fourth preset frequency can be preferably 2000rpm. In addition, the present invention may not specifically limit the values ​​of the first preset temperature, the second preset temperature, the third preset temperature, the first preset frequency, the second preset frequency, the third preset frequency, and the fourth preset frequency.

[0041] Furthermore, in some embodiments of the present invention, the control module 14 is also used to: obtain the ice storage status in the ice storage bin 16 and the cold water temperature in the cold water tank 15; when the ice storage status is a full ice state and the cold water temperature is less than a fourth preset temperature, control the variable frequency compressor 12 to be in a shutdown state; when the ice storage status is a less than full ice state or the cold water temperature is greater than a fifth preset temperature, control the drinking water equipment 1000 to be in a refrigeration and ice-making condition, wherein the fifth preset temperature is greater than the fourth preset temperature.

[0042] Specifically, in this embodiment, an infrared sensor may be installed in the ice storage bin 16, and a temperature sensor may be installed in the cold water tank 15, so that the ice storage state in the ice storage bin 16 may be obtained by the infrared sensor, and the cold water temperature in the cold water tank 15 may be obtained by the temperature sensor. In addition, the present invention may not specifically limit the manner of obtaining the ice storage state in the ice storage bin 16 and the cold water temperature in the cold water tank 15.

[0043] The ice storage state in the ice storage bin 16 is obtained by the infrared sensor, and the cold water temperature in the cold water tank 15 is obtained by the temperature sensor, and when it is determined that the ice storage state is full of ice and the cold water temperature is less than a fourth preset temperature, the compressor is controlled to be in a shutdown state. The fourth preset temperature is less than the first preset temperature, and the fourth preset temperature may preferably be 6 degrees Celsius. In addition, the present invention may not specifically limit the value of the fourth preset temperature.

[0044] The ice storage status in the ice storage bin 16 is obtained by an infrared sensor, and the cold water temperature in the cold water tank 15 is obtained by a temperature sensor, and when it is determined that the ice storage status is not full of ice or the cold water temperature is greater than the fifth preset temperature, the drinking water equipment 1000 is controlled to be in a refrigeration and ice-making condition, wherein the fifth preset temperature is greater than the fourth preset temperature, and the fifth preset temperature can preferably be 8 degrees Celsius. In addition, the present invention may not specifically limit the value of the fifth preset temperature.

[0045] Further, in some embodiments of the present invention, the control module 14 obtains the temperature of the frequency conversion control board 13 at a preset frequency, wherein the value range of the preset frequency is [20 seconds / time, 60 seconds / time]. The value of the preset frequency can be 30 seconds / time, 35 seconds / time or 40 seconds / time, etc., which is not specifically limited here. This can improve the accuracy of obtaining the temperature of the frequency conversion control board 13.

[0046] In summary, the refrigeration system of the drinking water equipment proposed in the example of the present invention can prevent the temperature of the frequency conversion control board from overheating and improve the performance of the drinking water equipment by obtaining the temperature of the frequency conversion control board when the drinking water equipment is in the refrigeration and ice-making condition, and controlling the operating frequency of the frequency conversion compressor according to the temperature, thereby improving the overall service life of the equipment and reducing maintenance costs.

[0047] Figure 4 Schematic diagram of a drinking water device according to an embodiment of the present invention.

[0048] like Figure 4 As shown, the drinking water device 1000 includes the refrigeration system 100 of the drinking water device in the aforementioned embodiment of the present invention.

[0049] According to the drinking water equipment of the embodiment of the present invention, by adopting the refrigeration system of the drinking water equipment of the above-mentioned embodiment of the present invention, by obtaining the temperature of the frequency conversion control board when the drinking water equipment is in the refrigeration and ice-making condition, and controlling the operating frequency of the frequency conversion compressor according to the temperature, the temperature of the frequency conversion control board can be prevented from overheating, and the performance of the drinking water equipment can be improved, thereby increasing the overall service life of the equipment and reducing maintenance costs.

[0050] In addition, other structures and functions of the drinking water device in the embodiment of the present invention are known to those skilled in the art and will not be described in detail here to reduce redundancy.

[0051] It should be noted that the logic and / or steps represented in the flowchart or otherwise described herein, for example, can be considered as a sequenced list of executable instructions for implementing logical functions, and can be specifically implemented in any computer-readable medium for use by an instruction execution system, device or apparatus (such as a computer-based system, a system including a processor, or other system that can fetch instructions from an instruction execution system, device or apparatus and execute instructions), or in combination with these instruction execution systems, devices or apparatuses. For the purposes of this specification, "computer-readable medium" can be any device that can contain, store, communicate, propagate or transmit a program for use by an instruction execution system, device or apparatus, or in combination with these instruction execution systems, devices or apparatuses. More specific examples of computer-readable media (a non-exhaustive list) include the following: an electrical connection portion with one or more wirings (electronic device), a portable computer disk box (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable and programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disk read-only memory (CDROM). In addition, the computer-readable medium may even be paper or other suitable medium on which the program is printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium and then editing, interpreting or processing in other suitable ways if necessary, and then stored in a computer memory.

[0052] It should be understood that the various parts of the present invention can be implemented by hardware, software, firmware or a combination thereof. In the above-mentioned embodiments, a plurality of steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented by hardware, as in another embodiment, it can be implemented by any one of the following technologies known in the art or their combination: a discrete logic circuit having a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit having a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0054] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0055] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0056] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0057] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0058] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A refrigeration system for drinking water equipment, characterized in that: The refrigeration system comprises: Make refrigerators; a condenser, the condenser being disposed in the refrigerator; A variable frequency compressor, the variable frequency compressor is connected to the condenser and is used to refrigerate the water in the ice making refrigerator through the condenser; A frequency conversion control board, the frequency conversion control board is connected to the frequency conversion compressor; A control module is arranged on the frequency conversion control board, and is used to obtain the temperature of the frequency conversion control board when the drinking water equipment is in a refrigeration and ice-making condition, and to control the operating frequency of the frequency conversion compressor according to the temperature.

2. The refrigeration system of the drinking water equipment according to claim 1, characterized in that: The refrigeration system further comprises a cold water tank and an ice storage bin, wherein the inlet of the ice storage bin is arranged opposite to the outlet of the ice making bin, the cold water tank is arranged below the ice making bin, and at least one water leakage hole is arranged at the bottom of the ice making bin.

3. The refrigeration system of the drinking water equipment according to claim 2, characterized in that: The ice making ice box comprises an ice sweeping module and an ice storing module, wherein the ice storing module is arranged between the condenser and the cold water tank, and the ice sweeping module is arranged between the condenser and the ice storing module, and the ice sweeping module can rotate back and forth around the condenser to sweep the ice cubes in the ice storing module to the ice storage bin for storage along the outlet direction of the ice making ice box.

4. The refrigeration system of the drinking water equipment according to claim 3, characterized in that: The condenser includes a first structure and a second structure, the first structure is a strip-shaped structure, and the second structure includes a plurality of protrusions, the plurality of protrusions are evenly arranged on the first structure, and the extension direction of the plurality of protrusions is perpendicular to the first structure.

5. The refrigeration system of the drinking water equipment according to claim 3, characterized in that: An ice scraper is provided at one end of the ice-sweeping module. When the ice-sweeping module rotates back and forth, the ice scraper sweeps the ice cubes in the ice-containing module along the outlet direction of the ice-making refrigerator.

6. The refrigeration system of the drinking water equipment according to claim 5, characterized in that: At least one guide groove is arranged at the other end of the ice-sweeping module.

7. The refrigeration system of the drinking water equipment according to claim 1, characterized in that: The control module is used to: when the temperature of the frequency conversion control board is less than or equal to the first preset temperature, control the operating frequency of the frequency conversion compressor to a first preset frequency; when the temperature of the frequency conversion control board is greater than the first preset temperature and less than or equal to the second preset temperature, control the operating frequency of the frequency conversion compressor to a second preset frequency, and the second preset frequency is less than the first preset frequency; when the temperature of the frequency conversion control board is greater than the second preset temperature and less than or equal to the third preset temperature, control the operating frequency of the frequency conversion compressor to a third preset frequency, and the third preset frequency is less than the second preset frequency; when the temperature of the frequency conversion control board is greater than the third preset temperature, control the operating frequency of the frequency conversion compressor to a fourth preset frequency, and the fourth preset frequency is less than the third preset frequency.

8. The refrigeration system of the drinking water equipment according to claim 2, characterized in that: The control module is also used to: obtain the ice storage status in the ice storage bin and the cold water temperature in the cold water tank; control the variable frequency compressor to be in a shutdown state when the ice storage status is a full ice state and the cold water temperature is less than a fourth preset temperature; control the drinking water equipment to be in the refrigeration and ice-making working condition when the ice storage status is a not full ice state or the cold water temperature is greater than a fifth preset temperature, wherein the fifth preset temperature is greater than the fourth preset temperature.

9. The refrigeration system of the drinking water equipment according to claim 1, characterized in that: The control module obtains the temperature of the variable frequency control board at a preset frequency, wherein the value range of the preset frequency is [20 seconds / time, 60 seconds / time].

10. A drinking water device, characterized in that: A refrigeration system comprising the drinking water equipment according to any one of claims 1 to 9.

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