Base Unit and Desktop Cooling Fan

Abstract

The present invention discloses a base unit and a desktop cooling fan having the base unit, wherein the base unit comprises a base for detachably carrying a front panel unit, and/or a cooling unit, and/or an air supply unit mounting part, and/or a cover unit, and/or a refrigerant unit, and the base is formed with a lower liquid storage tank structure which can be closed. This freely disassembled and assembled structure provides flexible and convenient use performance. Meanwhile, the cooling device provided also effectively overcomes the problems of easy discoloration, aging, high noise, easy overflow of a refrigerant medium in use of the wet curtain of the existing apparatus.

1 . A base unit, comprising a base for detachably carrying a front panel unit, and/or a cooling unit, and/or an air supply unit mounting part, and/or a cover unit, and/or a refrigerant unit, and a partition structure for separating the upper part of the base into a liquid channel region and an air channel region,
 wherein the partition structure is formed on the upper part of the base and protrudes outward from the base to the upper part thereof, and a tight liquid-proof structure is formed at the connection between the partition structure and the base; the upper part of the liquid channel region is also provided with a liquid storage box cover in a matching way, and the liquid storage box cover at least partially closes the liquid channel region to form a lower liquid storage box;   the base comprises:
 a front panel unit mounting part, which is formed on a front part of the base, and/or 
 a cooling unit mounting part, which is formed on an upper part of the base and is adjacent to the air supply unit mounting part, and/or 
 an air supply unit mounting part, which is formed on an upper part of the base and is adjacent to the cooling unit mounting part, and/or 
 a cover unit mounting part, which is formed on an edge of the base, and/or 
 a refrigerant unit mounting part, which is formed on an upper part of the base; 
 wherein the air channel region is formed with at least an air supply unit mounting part, and the liquid channel region is formed with at least a cooling unit mounting part. 
   
     
     
         2 . The base unit according to  claim 1 , wherein the base unit further comprises an edge plate structure at least on the upper part of an edge position of the liquid channel region and protruding outward from the base to the upper part thereof, the edge plate structure and the partition structure form a closed structure around the liquid channel region, and the closed structure is a cavity at least partially closed at the part adjacent to the base. 
     
     
         3 . A desktop cooling fan, comprising:
 a base unit comprising a base, wherein the base unit comprises a base on which a lower liquid storage tank is formed in a liquid channel region, a delivering pump is provided in the lower liquid storage tank, the base comprises a front panel unit mounting part, and/or a cooling unit mounting part, and/or an air supply unit mounting part, and/or a cover unit mounting part, and/or a refrigerant unit mounting part, each of the front panel unit mounting part, the cooling unit mounting part, the air supply unit mounting part, the cover unit mounting part, and the refrigerant unit mounting part comprises a connecting part, and the connecting part comprises at least a snap-fitting part which is snap-fit by a protruding structure or a recessed structure that cooperates with each other or a screw-threaded part in which screwed connectors are connected to each other, and/or   a front panel unit, which comprises at least a front panel, and is at least provided with a docking part at a lower part thereof, wherein the docking part is connected to the connecting part of the front panel unit mounting part in a corresponding and matching manner, and/or   a cooling unit, which comprises at least a wet curtain, a conveying pipe for conveying refrigerant medium to wet curtain, and a wet curtain support for supporting the wet curtain, wherein the wet curtain frame is at least provided with a docking part at a lower part thereof, and the docking part is connected to the connecting part of the cooling unit mounting part in a corresponding and matching manner, the conveying pipe is connected to a conveying pump, the upper part of the wet curtain frame is further provided with a storage pool, the conveying pipe conveys the refrigerant medium to the storage pool, and the storage pool is further provided with a diversion pipe for conveying refrigerant medium to the wet curtain and a liquid level device for monitoring the liquid level in the storage pool, and/or   an air supply unit, which comprises at least a fan structure driven by a motor and an air channel structure, wherein the air channel structure has at least an air inlet adjacent to the wet curtain, an air outlet for outputting cool air to the outside, and an air channel connecting the air inlet and the air outlet, the main body of the fan structure is located in the air channel between the air inlet and the air outlet, the fan structure of the air supply unit is provided with a docking part at a lower part thereof, and the docking part is connected to the connecting part of the air supply unit mounting part in a corresponding and matching manner, and/or   a refrigerant unit, which comprises at least a container for accommodating a refrigerant, the refrigerant unit is at least provided with a docking part at a lower part thereof, and the docking part is connected to the connecting part of the refrigerant unit mounting part in a corresponding and matching manner, and/or   a cover unit, which comprises a housing, the housing forms a box structure at least together with the base and the front panel in a matching manner, the housing is at least provided with a docking part at a lower part thereof, and the docking part is connected to the connecting part of the cover unit mounting part in a corresponding and matching manner.   
     
     
         4 . The desktop cooling fan according to  claim 3 , wherein the fan structure of the air supply unit comprises a fan system and a motor system,
 the fan system comprises a cross-flow fan main body and a rotation support structure, the rotating shaft of the cross-flow fan main body is vertically provided, the rotation support structure comprises at least a downward-rotating shaft connected to a lower end of the cross-flow fan main body and provided along the rotating shaft thereof, and the downward-rotating shaft protrudes downward from the cross-flow fan main body or is recessed in the cross-flow fan main body;   the motor system comprises a motor having a motor shaft and a transmission structure, the motor is provided on an upper part of the fan structure, the transmission structure is provided on an upper part of the cross-flow fan body and is connected to the rotating shaft of the cross-flow fan body by an upper part of the cross-flow fan body, the motor shaft is connected to the transmission structure and provides the cross-flow fan main body with power to rotate it;   the air supply unit mounting part on the base comprises a pivot structure, and the pivot structure is configured to be movably connected to the downward-rotating shaft in cooperation with the downward-rotating shaft.   
     
     
         5 . The desktop cooling fan according to  claim 4 , wherein the pivot structure comprises a bearing structure or a rotating groove structure:
 the bearing structure comprises a bearing having an outer ring and a bearing located on the inner side of the outer ring and capable of rotating around a central shaft relative to the outer ring, the downward-rotating shaft protruding below the cross-flow fan main body is connected to the inner ring, and the outer ring is connected to the base;   the rotating groove structure comprises a rotating groove which is recessed toward the base corresponding to the downward-rotating shaft and a rotating groove carrier which forms the rotating groove, the rotating groove carrier is located at the air supply unit mounting part of the base, and the downward-rotating shaft protruding below the cross-flow fan main body is at least movably mounted to the rotating groove at the lower end thereof.   
     
     
         6 . The desktop cooling fan according to  claim 5 , wherein the refrigerant unit comprises a container for containing an internal cavity of the refrigerant, and the container has at least a liquid outlet at the bottom part thereof communicated with the internal cavity of the container;
 the base also has at least a liquid receiving chamber in the refrigerant unit mounting part, and the liquid receiving chamber has a liquid receiving port corresponding to the liquid outlet.   
     
     
         7 . The desktop cooling fan according to  claim 6 , wherein the liquid outlet of the container is further provided with a one-way valve, and the one-way valve limits the refrigerant in the container in the operating state flowing from the liquid outlet to a liquid receiving port. 
     
     
         8 . The desktop cooling fan according to  claim 7 , wherein the one-way valve comprises an inner seal, a T-shaped member, and a return spring,
 the T-shaped member comprises a connecting rod and a limiting member I formed at one end of the connecting rod, the connecting rod of the T-shaped member is penetratingly connected to the liquid outlet, and the limiting member I and the inner seal are placed at both sides of the liquid outlet, respectively the return spring is sleeved on a part of the connecting rod located outside the liquid outlet, the size of the limiting member I is larger than the inner diameter of the return spring and limits the return spring to the connecting rod, and the return spring on the one-way valve is always in a compressed state;   the inner seal is limited to the other end of the connecting rod, and the inner seal forms a seal on the liquid outlet when the inside of the container is attached to the liquid outlet.   
     
     
         9 . The desktop cooling fan according to  claim 8 , wherein the refrigerant unit mounting part of the base is further provided with a top pressing member, and the top pressing member is provided corresponding to one end of the connecting rod of the one-way valve so that when in an operating state, the upper end of the top pressing member abuts against the one end of the connecting rod and compresses the return spring to remove the inner seal from the liquid outlet. 
     
     
         10 . The desktop cooling fan according to  claim 9 , wherein the top pressing member is of a long and straight type as a whole, and the lower end of the top pressing member is connected to the lower liquid storage tank below the liquid receiving port. 
     
     
         11 . The desktop cooling fan according to  claim 3 , wherein the housing of the cover unit has at least an opening on one side of the front panel, the base is located at the lower part of the housing, and the housing and the bottom form a space for accommodating the cooling unit, and/or the air supply unit and/or the refrigerant unit:
 the cooling unit is provided to the cooling unit mounting part;   the air supply unit is provided to the air supply unit mounting part;   the refrigerant unit is provided to the refrigerant unit mounting part.   
     
     
         12 . The desktop cooling fan according to  claim 11 , wherein the housing of the cover unit further has a limiting position, the container of the refrigerant unit further has a limiting part, the limiting part and the limiting position cooperate with each other, and the container is limited to the housing by cooperation between the limiting part and the limiting position. 
     
     
         13 . The desktop cooling fan according to  claim 12 , wherein the base is located at the lower part of the housing, and the housing and the bottom form a space for accommodating the cooling unit and/or the air supply unit,
 the limiting position is formed on the outer wall of the housing, the container is provided outside the housing through the limitation of the limiting position and the limiting part on the outer wall, the housing is provided with a penetrating housing corresponding to the top pressing member and a limiting port which cooperates with the liquid outlet and the liquid receiving port, and when the one-way valve on the housing is in an operating state through the limiting port, one end of the connecting rod abuts against the upper end of the top pressing member and compresses the return spring to remove the inner seal from the liquid outlet.   
     
     
         14 . The desktop cooling fan according to  claim 13 , wherein the limiting position formed on the outer wall of the housing comprises a sliding rail I protruding toward the outside of the housing or a sliding groove I recessed toward the inside of the housing, and the limiting part on the container is formed on the outer wall of the container and comprises a sliding groove II which cooperates with the above sliding rail I or a sliding rail II that cooperates with the above sliding groove I. 
     
     
         15 . The desktop cooling fan according to  claim 3 , wherein the base further comprises a partition structure for separating the upper part of the base into a water channel region and an air channel region, the partition structure is formed on the upper part of the base and protrudes outward from the base to the upper part thereof, and a tight water-proof structure is formed at the connection between the partition structure and the base;
 the air channel region is formed with at least an air supply unit mounting part, and the liquid channel region is formed with at least a cooling unit mounting part.   
     
     
         16 . The desktop cooling fan according to  claim 3 , wherein the base unit further comprises an edge plate structure at least on the upper part of an edge position of the liquid channel region and protruding outward from the base to the upper part thereof, the edge plate structure and the partition structure form a closed structure around the liquid channel region, and the closed structure is a cavity at least partially closed at the part adjacent to the base. 
     
     
         17 . The desktop cooling fan according to  claim 3 , wherein a control key and a controller matched with the control key are further provided on the front panel, and the controller comprises a PCB control circuit, a control switch and a PLC, wherein the control switch is matched with the control key and provided on the PCB control circuit, and the control switch is connected with the PLC instruction. 
     
     
         18 . (canceled) 
     
     
         19 . The desktop cooling fan according to  claim 3 , wherein the wet curtain frame is further provided with a reflux pool, the reflux pool is provided with a reflux device, a reflux limiting device is further provided on the liquid storage box cover of the lower liquid storage box, and the reflux limiting device is connected with the reflux device in a matching manner. 
     
     
         20 . The desktop cooling fan according to  claim 3 , wherein the reflux limiting device is a one-way valve or an electromagnetic valve, and the one-way valve or the electromagnetic valve is used for limiting the refrigerant medium to flow out of the lower liquid storage tank from the liquid receiving port under the triggering condition. 
     
     
         21 . The desktop cooling fan according to  claim 3 , wherein the front panel unit further comprises a USB device, wherein the USB device comprises a USB interface and a power supply device for supplying power to the USB interface, and the USB interface is provided on the front panel. 
     
     
         22 . (canceled)