CN220728651U - Main machine for refrigerating cabinet - Google Patents

Abstract

The utility model discloses a refrigerating host of a refrigerator, which is independent of the refrigerator and conveys cold air to the refrigerator, and also comprises a casing, a base, an evaporator cabinet, a return air inlet frame and a condenser rack, wherein the return air inlet frame extends out of an evaporator return air inlet of the casing and is in sealing connection with the return air inlet of the refrigerator through a sealing piece, the evaporator cabinet is arranged on the top of the condenser rack, water passing holes for evaporator condensate water are arranged at the bottom of the evaporator cabinet and the top of the condenser rack, so that the evaporator condensate water can flow through fins of a condenser and enter the base, an exhaust port of the compressor is connected with a condensate water evaporation calandria, and the condensate water evaporation calandria is arranged in the base to evaporate the evaporator condensate water in the base. According to the utility model, the condensation water evaporation calandria evaporates the condensation water of the evaporator in the base, so that the corrosion of the condensation water to parts is prevented, the reliability of the refrigeration host is improved, and the service life of the refrigeration host is prolonged.

Description

Main machine for refrigerating cabinet

Technical Field

The utility model relates to the technical field of refrigeration appliances, in particular to a refrigeration host of a refrigerator.

Background

Display cabinets or commercial refrigerated cabinets sold in the market at present generally have two structures, namely an integral structure, a compressor, a condenser, a liquid storage tank, a capillary tube and the like are arranged in a lower frame structure of a cabinet body, and an evaporator is buried in a foaming layer of the cabinet body. The manufacturing process of the showcase or the commercial refrigerator with the structure is complex, and the die cost is high. The second is a split type structure of a refrigerating system and a refrigerator body, such as a refrigerator refrigerating unit disclosed in Chinese patent No. 202120954967.9, which is arranged at the top of the refrigerator and comprises a left independent air cooling unit and a right independent air cooling unit, wherein the independent air cooling unit comprises a refrigerating part and a heat exchange part, the refrigerating part comprises a compressor, a condenser and a condenser fan, the heat exchange part comprises an evaporator, an evaporator fan and an evaporator cold chamber, the refrigerating part and the heat exchange part are connected through a capillary network, an air return port is arranged at the bottom of the compressor, a cold air outlet is arranged at the bottom of the evaporator cold chamber, the cold air outlet is led to an inner pipeline of the refrigerator, and the inner pipeline of the refrigerator is wrapped by foam. However, the refrigerator has the defects of inconvenient installation and maintenance, heavy weight of the refrigerating part, light weight of the head and feet, easy overflow of condensed water of the evaporator from the top of the refrigerator, and hidden trouble.

Disclosure of Invention

The utility model aims to provide a refrigerating host of a refrigerated cabinet, wherein the refrigerating host and the refrigerated cabinet body are independent, cold air is conveyed into the cabinet body through connection of an air inlet and an air return opening, so that the aim of low-cost refrigeration is achieved, and the refrigerating host is not placed at the top of the cabinet body, so that the problems mentioned in the background art are solved, and the defects of the prior art are overcome.

The utility model is realized by the following technical scheme: the utility model provides a freezer refrigeration host computer, the refrigeration host computer is independent of the freezer and carries cold air to the freezer, and the refrigeration host computer includes compressor, condenser, capillary, evaporimeter, and its characterized in that still includes casing, base, evaporimeter machine case, return air inlet frame, condenser frame, the return air inlet frame stretches out in the evaporimeter return air inlet of casing, forms sealing connection with the return air inlet of freezer through the sealing member, the evaporimeter machine case is installed at condenser frame top, and the bottom of evaporimeter machine case and the top of condenser frame all are equipped with the water hole of evaporimeter condensate water for the evaporimeter condensate water can flow through the fin of condenser and get into the base accumulates, the condensate water evaporation calandria is connected to the gas vent of compressor, and the condensate water evaporation calandria is arranged in the base will gather the evaporimeter condensate water evaporation in the base.

The utility model has the following beneficial effects:

1) The refrigerating host is independently arranged in a modularized mode, so that the manufacturing process is simplified, the product cost is reduced, and the installation and the maintenance are convenient. The condensation water of the evaporator flows through the fins of the condenser, so that the condensation temperature can be reduced, and when the water enters the base to accumulate, the condensation water of the evaporator accumulated in the base can be evaporated through the condensation water evaporation calandria, so that the corrosion of the condensation water to parts is prevented, the reliability of the machine body is improved, and the service life of the machine body is prolonged.

2) The refrigerating host is not placed at the top of the cabinet body, so that the installation is lighter.

3) The evaporator case is fixed above the condenser frame, and is manufactured by cutting and splicing sheet metal parts with the shell, the base and the compressor case of the refrigeration host, so that the evaporator case is low in manufacturing cost, easy in process control and suitable for popularization and application.

Drawings

Fig. 1 is a front side structural perspective view of a main frame of a refrigerated cabinet according to the present utility model.

Fig. 2 is a rear side structural perspective view of the main frame of the refrigerator according to the present utility model.

Fig. 3 is a schematic structural view of the evaporator condensate flow passage member of the present utility model.

Fig. 4 is a schematic view of an assembled structure of an evaporator and a condenser according to the present utility model.

FIG. 5 is a perspective view of a compressor case of the present utility model;

FIG. 6 is a schematic view of a condenser frame structure of the present utility model;

FIG. 7 is an exploded view of the condenser frame of the present utility model;

fig. 8 is a perspective view of a return air inlet frame of the present utility model;

fig. 9 is a schematic view of the evaporator case of the present utility model.

Detailed Description

The following description of the embodiments of the present application will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

The components of the embodiments of the present application, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application.

All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

In the description of the present application, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

A refrigerated cabinet refrigeration host according to some embodiments of the present application is described below with reference to fig. 1-9.

A refrigerating host of a refrigerator is in the form of an independent host and is matched with low-temperature storage main bodies such as a large-sized refrigerator, a showcase, a freezer, an automatic vending cabinet and the like. The present utility model will be described in detail below with reference to a refrigerated case. The refrigerated cabinet comprises a cabinet body, a refrigerated shelf in the cabinet body, and a bracket or a refrigerated cabinet base below the cabinet body, wherein the bracket or the refrigerated cabinet base lifts the cabinet body to facilitate taking objects, and a ventilation opening is formed in the peripheral wall of the bracket or the refrigerated cabinet base and used for cooling a condenser of a refrigeration host, and an air inlet and an air return opening are respectively formed in the side wall of the cabinet body, so that the cabinet body and the evaporator of the refrigeration host form a refrigeration air circulation air path. The refrigerating host comprises four parts, namely a compressor (not shown), a condenser 1, a capillary tube (not shown) and an evaporator 2, which are all arranged in a shell, wherein the compressor and the condenser are arranged at the left and right parts of the lower part of the shell, the evaporator is positioned right above the condenser, the evaporator is rectangular, and an evaporator case 3 is arranged at the periphery of the evaporator. As shown in the figure, the direction facing the low-temperature storage main body is taken as the front side, otherwise the rear side, the front side of the evaporator case 3 is provided with an air return opening frame 4, the rear side is provided with a volute fan 5 and an air pipe 6, the air return opening frame extends out of the air return opening of the evaporator of the case and is in sealed connection with the air return opening of the low-temperature storage main body through a sealing piece, the volute fan serves as a driver for forced convection heat exchange between the evaporator case and the low-temperature storage main body, and air entering the evaporator case from the low-temperature storage main body is cooled by the evaporator and then is output to the low-temperature storage main body through the air pipe to form air circulation.

The lower part front and back sides of the casing just set up the condenser wind gap to the condenser, install the condenser axial fan in the rear side of condenser, the casing comprises base 7, tripod 8, last casing, install compressor machine case 9 on the base, place the variable frequency drive on the compressor machine case, the external mainboard shell 13 that sets up in compressor machine case one side, the control mainboard is installed in the mainboard shell, sets up the reservoir between condenser and compressor.

To the fixed mounting of condenser, install condenser frame 10 on the base, the evaporator machine case then fixes in condenser frame top, in order to solve the problem of the condensation water treatment of evaporimeter, the first chassis 31 of evaporator machine case 3 sets up first apopore 30, has turn-ups 32 around the first chassis, turn-ups upwards buckle back head and the tail concatenation and form the basin-like structure that can store up water, the fin of evaporimeter and condenser all sets up perpendicularly, makes the comdenstion water flow downwards along the fin according to the dead weight. The upper plate 101 of the condenser frame 10 is provided with a chassis upper plate hollow 102, the lower plate 103 is provided with a second water outlet 104, condensed water drips on the first chassis from the evaporator fins, and condensed water in the first chassis drips on the base 7 through the first water outlet, the chassis upper plate hollow and the second water outlet. The base is also provided with a flanging structure 71, so that the base has a water containing function, a condensed water evaporation calandria is arranged in the base, two ends of the condensed water evaporation calandria are respectively connected with an outlet of a compressor and a condenser pipe inlet of a condenser, high-temperature refrigerant vapor discharged by the high pressure of the compressor enters the condensed water evaporation calandria 11 to evaporate condensed water in the base, and then enters the condenser to enter heat exchange with ambient air.

In order to reduce the cost of the refrigeration host, improve the competitiveness of the product and make the production process reasonable and simple, the shell, the base 7, the evaporator case 3, the return air inlet frame 4, the condenser frame 10 and the compressor case 9 of the refrigeration host are all made by adopting sheet metal parts for cutting, splicing and connecting. Set up N shelves in the base 7 of panel beating water collector structure, prevent that the device bottom from soaking in water, the bottom turn-ups of condenser frame 10 pass through screw fixed mounting on the shelf, and the same reason, compressor layer board, reservoir are also installed on shelf 12, and compressor machine case 9 is tailor by the panel beating and is buckled the formation, including both sides board, roof, both sides board outwards are equipped with right angle turn-ups 91 respectively, set up screw hole realization and base turn-ups fixed connection through right angle turn-ups's bottom. A plurality of screw holes 93 are formed in one side plate, the main plate shell 13 is provided with a turned-over edge, and the main plate shell 13 is fixed on one side plate of the compressor case 9 through screws on the turned-over edge. A right-angle turn of the compressor case 9 is provided with a wire through hole 92, and connecting wires of the control main board extend out of the wire through hole 92. A variable frequency compressor drive 14 is placed on the top plate of the compressor housing 9.

The condenser frame 10 is formed by splicing an upper plate 101, a lower plate 103, a front upper plate 15, a rear upper plate 16, left and right side frame plates 17 and a condenser side frame 18, and the splicing modes are all overlapped through sheet metal parts or flanging thereof and then fixed by screws. The front side of the lower plate 103 is bent with a flanging, the rear side is integrally bent and formed with a fan cover plate 105, the center of the fan cover plate 105 is provided with a fan hole, the edge of the fan hole is welded with a fan ring cover 106, and a condenser cooling fan is arranged in the area of the fan ring cover 106. The evaporator case 3 is composed of a case main board 33, an evaporator side frame, a first chassis 31 and an evaporator side cover 35, wherein the case main board 33 is an L-shaped sheet metal part and comprises a case top board and a case back board, a front side opening of the evaporator case 3 is formed, a return air port frame 4 is arranged at the front side opening, the case top board is connected with the top board of the return air port frame 4 in a fastening manner through screws after being spliced, a flange of the first chassis 31 is fixed on the front upper board 15 and the rear upper board 16, a horizontal flange is arranged at the bottom of the case back board of the case main board 33 and extends into the bottom surface of the first chassis, the front side and the rear side of the evaporator side frame are respectively connected with a side flange of the case back board and the return air port frame 4 in a fastening manner, the bottom of the evaporator side frame is fixed on the flange of the first chassis, a fan hole is formed in the middle of the case back board of the case main board 33, a volute fan is arranged on the fan hole, a housing of the volute fan is provided with a positioning block 51, and the positioning block 51 is clamped with the rear upper board 16 so as to increase the installation effect. The front side of the evaporator side cover 35 is connected with the air return opening frame 4 by screws, the rear side is connected with the chassis main board 33 by screws, and heat insulation sponge can be paved in the evaporator side cover 35, so that the cooling capacity loss of the evaporator is reduced, and the condensation of a pipeline elbow of the evaporator is prevented.

The four outer walls of the air return opening frame 4 are welded with a connecting flange 41 along the center line of the frame and are used for being connected with an air return opening of the low-temperature storage main body.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a freezer refrigeration host computer, the refrigeration host computer is independent of the freezer and carries cold air to the freezer, and the refrigeration host computer includes compressor, condenser, capillary, evaporimeter, and its characterized in that still includes casing, base, evaporimeter machine case, return air inlet frame, condenser frame, the return air inlet frame stretches out in the evaporimeter return air inlet of casing, forms sealing connection with the return air inlet of freezer through the sealing member, the evaporimeter machine case is installed at condenser frame top, and the bottom of evaporimeter machine case and the top of condenser frame all are equipped with the water hole of evaporimeter condensate water for the evaporimeter condensate water can flow through the fin of condenser and get into the base accumulates, the condensate water evaporation calandria is connected to the gas vent of compressor, and the condensate water evaporation calandria is arranged in the base will gather the evaporimeter condensate water evaporation in the base.

2. A refrigerated host as set forth in claim 1 wherein the return air inlet frame is disposed on a front side of the evaporator housing and the rear side of the evaporator housing is provided with a scroll blower and air duct.

3. The main frame of claim 1, wherein N shelves are disposed in the base, and the condenser frame and the compressor support plate are mounted on the shelves.

4. The main cooling unit according to claim 1, wherein the condenser frame is formed by splicing an upper plate, a lower plate, a front upper plate, a rear upper plate, left and right side frame plates and a condenser side frame of a sheet metal part, and the splicing mode is that the sheet metal part or the turned edges thereof are overlapped and then are fixed by welding or screws.

5. The refrigerating host machine of claim 4, wherein the evaporator case comprises a case main board, an evaporator side frame and a first chassis, the first chassis is provided with a first water outlet, a flanging is arranged on the periphery of the first chassis, and the flanging is spliced end to end after being bent upwards to form a basin-shaped structure capable of storing water.

6. The chiller host of claim 5 further comprising an evaporator side hood, the evaporator side hood being connected to the return air inlet frame, the chassis main board, the evaporator side hood sealing a piping elbow of the evaporator.

7. The main frame of claim 5, wherein the flanges of the first chassis are fixed on the front upper plate and the rear upper plate, the main board of the chassis comprises a top board and a rear board of the chassis, the bottom of the rear board of the chassis is provided with a horizontal flange, the horizontal flange extends into the bottom surface of the first chassis, and the front side and the rear side of the side frame of the evaporator are respectively and tightly connected with the side flange of the rear board of the chassis and the frame of the return air inlet.