CN209131234U - Miniature cooling-water machine - Google Patents

Abstract

The utility model provides a kind of miniature cooling-water machine, cold water is produced using miniature steam compression type refrigerating circulation, it is made of refrigeration machine component, front panel assembly, back panel assemblies and housing unit, wherein refrigeration machine component includes compressor, condenser, device for drying and filtering, restricting element, evaporator, threeway, filling bolt, water pump, bracket, water flow sensing unit, pedestal, Rubber shock-absorbing pad, water inlet pipe, outlet pipe and connecting line etc..The water route layout that the utility model is laid out using the air-flow of side air inlet, back outlet air and intakes, is discharged below below, and using Miniature water flow sensor while the mild water flow of water sensing, make variable speed operation to control start and stop and the control compressor of compressor.The utility model has the characteristics that high cooling efficiency, compact-sized, light-weight, temperature control precision is high, can be used as Table top type, portable or embedded refrigeration equipment, carries out cooling low-temperature water source to other high-power heating elements to provide.

Description

Miniature cooling-water machine

Technical field

The utility model relates to refrigeration technology fields.

Background technique

In the machinery equipment that high-power heating element is contained in certain inside, it is often necessary to be lower than environment temperature using temperature The cold water of degree cools down these heater elements.Such as laser equipment containing high power laser, contain high-power CPU High-performance computer or server, the frequency converter containing high-power IGBT commutation components or Electric Traction equipment etc., working When it is very sensitive to the variation of temperature, the temperature of core component is once more than certain ranges, just will be greatly reduced work effect Rate can even burn component when serious.Since the dissipated power of these devices is big, heat flow density is high, using conventional heat dissipation Mode such as fin heat dissipation, fan cooling or heat pipe heat radiation etc. has been unable to meet requirement, it is therefore necessary to come fast by the way of water cooling Speed belt walks heat.Though in addition, not being very greatly, to need in the laboratory apparatus of precision temperature control, need yet in certain heat flow densities Want cold water as cold source, the example of these instruments includes Biochemical Analyzer, gas analyzer, blood analyser etc..

The now widely used refrigerating plant that can generate cold water is Cool-water Machine for Industry, but the volume one of Cool-water Machine for Industry As it is larger, generally require an individual shallow storage space, fixed placement is needing near cooling equipment, and using water pipe by work The cold water that industry cooling-water machine is produced, which is pumped into, to be needed in cooling equipment.Cold water and the roving application of needs are needed certain Occasion, such as certain laser medical equipments, laser beautifying equipment, field trial equipment or portable instrument equipment etc., using this The mode for the Cool-water Machine for Industry that kind is conventional, is fixedly mounted is just no longer applicable.It is required to generate the refrigeration dress of cold water at this time It is as small as possible to set volume, with amplitude peak saves installation space, or even requires refrigeration machine that can be embedded into inside equipment, becomes A part of equipment facilitates using and shifting for equipment to eliminate the connecting line between refrigeration machine and equipment.

Certain instrument and equipments use small semiconductor refrigeration machine to produce cold water, to core heating element therein It is cooled down, although the temperature of heating element can be fallen below environment temperature or less and Embedded Application may be implemented, But since the refrigerating efficiency of semiconductor refrigerator is very low, coefficient of performance of refrigerating generally only has 0.3~0.5 or so, thus to reach Biggish refrigerating capacity must just be made very big very heavy, so that the total volume of equipment is difficult to reduce, and power consumption is very big, Bu Nengzhen It is positive to realize energy-saving, lightweight and portable use, therefore urgently improve.

Summary of the invention

The purpose of this utility model is to provide a kind of miniature cooling-water machines, can put and use on the table, can also go out It carries and uses, to solve the big volume that conventional Cool-water Machine for Industry has, inconvenient mobile application and existing semiconductor system The disadvantage that cold refrigerating efficiency is low, power consumption is big.

Miniature cooling-water machine described in the utility model is absorbed heat from water using steam compression type refrigerating circulation theory, from And water is set to cool down, and the exothermic refrigerating plant into surrounding air.Steam compression type refrigerating circulation has high cooling efficiency (refrigeration General reachable 2.0~4.0) of the coefficient of performance, the advantage that unit volume refrigerating capacity is big, compact-sized, freeze compared to semiconductor-type Device, volume can reduce very much, and more energy saving.There is refrigeration compressor, condenser, section in steam compression type refrigerating circulation Fluid element and the big component of evaporator four, the utility model are likewise supplied with this four big component, but by refrigeration compressor therein, condensation The micromation such as device, evaporator, to construct small size and efficient miniature cooling-water machine.

The utility model is achieved through the following technical solutions:

Miniature cooling-water machine described in the utility model is by refrigeration machine component, front panel assembly, back panel assemblies, housing unit institute It constitutes；The front panel assembly is located at before the refrigeration machine component, and the back panel assemblies are located at the refrigeration machine component Behind, the housing unit is located at the upper surface of described refrigeration machine component and surrounds the refrigeration machine component from left and right two sides；Institute State refrigeration machine component by compressor, condenser, device for drying and filtering, restricting element, evaporator, threeway, filling bolt, water pump, bracket, The composition such as water flow sensing unit, pedestal, Rubber shock-absorbing pad, water inlet pipe, outlet pipe and other connecting lines；The front panel assembly Including front panel, controller, control switch, compressor drive, front panel fixing screws；The back panel assemblies include below Plate, fan, fan guard, water supply connector, water outlet connector, power connection, rear panel fixing screws, fan fixing screws, wind Fan fixed hex nut；The housing unit includes shell, handle, housing retaining screws；The miniature cooling-water machine uses side Face is entered the wind, the air-flow of back outlet air is laid out；The water supply connector, water outlet connector are located at behind the miniature cooling-water machine；Water flow After entering the miniature cooling-water machine by the water supply connector, is cooled down in the refrigeration machine component, become cold water, then by institute It states water outlet connector and flows out the miniature cooling-water machine.

The compressor is minisize dc Refrigerating Compressor with Inverter, and the condenser is micro-channel parallel flow condenser, institute State restricting element be capillary, restriction sleeve or miniature expansion valve any one of, the evaporator is that miniature microchannel is steamed Device is sent out, the water pump is Miniature diaphragm pump；The compressor, condenser, device for drying and filtering, restricting element, evaporator, threeway according to The secondary connected closed refrigeration system of composition, is filled with refrigerant in this closed refrigeration system；The filling bolt passes through described Threeway accesses the refrigeration system；The bracket supports the evaporator and the water pump.

There are four symmetrical columns for the quadrangle tool of the pedestal, and 4 are equipped on the column close to the front panel assembly Front panel fixture nut is equipped with 4 rear panel fixture nuts, in the pedestal on the column close to the back panel assemblies Position among arranged on left and right sides on the lower is equipped with 2 shell fixture nuts, and 3 are additionally provided on the bottom surface of the pedestal for solid The compressor fixing bolt of the fixed compressor and 2 are for fixing the bracket fixing screws of the bracket.

The front panel is the plate that an outer profile is rectangle, is provided with controller mounting hole on the front panel, control is opened Close mounting hole, front panel fixation hole；The one side of plate towards cooling-water machine component is equipped with several blind holes in front；Plate direction in front The position at the one side of cooling-water machine component and top, left and right edge has elongated slot, and the depth of slot is less than the thickness of front panel Degree；The controller passes through controller mounting hole from front to back and fixes on the front panel, and control switch passes through control from front to back Switch mounting hole is forward-mounted on plate, and driven compressor plate is fixed by screws at the blind hole on front panel.

The rear panel is the plate that an outer profile is rectangle, and profile size is identical with front panel, on plate below Circular ventilation hole, water inlet connector mounting hole, water out connector mounting hole, power connection mounting hole, rear panel is provided with to fix Hole, fan mounting holes；It is had carefully on plate towards the position of the one side of cooling-water machine component and top, left and right edge below Long slot, the depth of slot are less than the thickness of rear panel；The fan is aerofoil fan, the central axes of the fan and ventilation hole Centerline collineation, the air current flow direction of fan are behind the cooling-water machine component inside stream backward panel.

The shell is one piece of downward opening U-shaped thin plate；The shell is in the condenser side close to refrigeration machine component It is provided with shutter；Shell two sides are provided with 2 shell fixation holes in the position among bottom；Shell is in the side towards front panel To have 3 edge strips outstanding, it is corresponding with 3 elongated slots on front panel respectively；Shell is in the direction towards rear panel Also there are 3 edge strips outstanding, it is corresponding with 3 elongated slots on rear panel respectively.

The installation relation of above-mentioned each component part is as follows: 2 housing retaining screws pass through on the shell from two sides respectively 2 shell fixation holes be connected with 2 shell fixture nuts on the pedestal, so that the housing unit is fixed on On the pedestal of the refrigeration machine component；3 edge strips towards front panel of the shell are inserted into 3 on the front panel respectively In elongated slot, while 4 front panel fixing screws are from front to back, and 4 front panels being each passed through on the front panel are fixed Hole is connected with 4 front panel fixture nuts on the pedestal, so that the front panel assembly is fixed on the refrigeration machine On the pedestal of component；3 edge strips towards rear panel of the shell are inserted into 3 elongated slots on the rear panel respectively In, while 4 rear panel fixing screws are back to front, 4 rear panel fixation holes being each passed through on the front panel and described 4 rear panel fixture nuts on pedestal are connected, so that the back panel assemblies to be fixed on to the bottom of the refrigeration machine component On seat.

The water flow sensing unit has sensor water inlet and sensor water outlet, sensor water inlet and sensor water outlet The central axes angle of mouth is 180 °, and sensor water inlet and sensor water outlet are upward；The water inlet of the evaporator and The discharge outlet of the water pump is connected；The water out of the evaporator is connected with the sensor water inlet of the water flow sensing unit；Institute The one end for stating water inlet pipe is connected with the water supply connector, and the other end of the water inlet pipe is connected with the water sucking mouth of the water pump It connects；One end of the outlet pipe is connected with the sensor water outlet of the water flow sensing unit, the other end of the outlet pipe and The water outlet connector is connected.

The water flow sensing unit has water temperature and water flow detection function, and water temperature and the water flow signal hair that will test Up to the controller；When water flow sensor detects water flowing signal, the controller issues compressor start signal To the compressor drive, start the compressor operation；In the compressor operational process, when the water flow senses When device detects water cut signal, the controller issues compressor stop signal to the compressor drive, described in stopping Compressor operation；When the compressor runs well, the controller is believed according to the water temperature that the water flow sensing unit detects Number, compressor rotary speed control signal is issued to the compressor drive, drives the compressor to make variable speed operating, to adjust Water temperature at the evaporator water out.

The utility model is due to using minisize dc Refrigerating Compressor with Inverter as compression member, minisize dc frequency conversion system Cold compressor uses low-voltage DC supply, has variable speed, can be changed according to water temperature and adjust revolving speed in real time, thus have The advantages of temperature control is accurate, voltage security, compact.Secondly, the utility model is using micro-channel parallel flow heat exchanger as cold Condenser, the advantage that micro-channel parallel flow heat exchanger has heat transfer coefficient high, light-weight, compact-sized.Again, the utility model is adopted Use miniature micro-channel heat exchanger as evaporator, miniature micro-channel heat exchanger is a kind of ultra high efficiency heat exchanger, compact compared to conventional The volume of plate-type heat exchanger further reduces.

Further, since the utility model uses the structure design of optimization and the air-flow layout of optimization and water route layout, So that whole system is extremely compact, micromation and lightweight are realized.The utility model may be used as various laser equipments, Frequency conversion equipment, Electric Traction equipment, high-performance computer, experimental facilities, Medical Instruments embedded cold source, can also apply Certain portable use fields for needing to freeze and other particular applications are such as used as Portable exhaust gas analyzer, movable type The cold source of laser therapeutic apparantus, Table top type temperature regulating device, desk-top cold and hot water drinking machine, vehicle-mounted cold drink machine etc..

Detailed description of the invention

Fig. 1 is the appearance of the miniature cooling-water machine.

Fig. 2 is the Structure explosion diagram of the main composition component of the miniature cooling-water machine, and the miniature cooling-water machine includes refrigeration Four chief components such as thermomechanical components, front panel assembly, back panel assemblies, housing unit.

Fig. 3 is the perspective view of refrigeration machine component.

Fig. 4 is the top view of refrigeration machine component.

Fig. 5 is a close up perspective view of refrigeration machine component.

Fig. 6 is the perspective view of the pedestal in refrigeration machine component.

Fig. 7 is the perspective view of front panel assembly.

Fig. 8 is the perspective view of the front panel in front panel assembly.

Fig. 9 is the perspective view of back panel assemblies.

Figure 10 is the perspective view of the rear panel in back panel assemblies.

Figure 11 is the perspective view of housing unit.

Specific embodiment

Illustrate the technical solution of the utility model with reference to the accompanying drawings and detailed description.

Fig. 1 is the appearance of miniature cooling-water machine 1000 described in the utility model, and wherein left panels are the miniature cold water Front (front) perspective view of machine 1000, right graphic are the back side (back) perspective views of the miniature cooling-water machine 1000.Such as figure It is the structural blast schematic diagram of the miniature cooling-water machine 1000 shown in 2.

As depicted in figs. 1 and 2, the miniature cooling-water machine 1000 is by refrigeration machine component 100, front panel assembly 200, rear panel Several big components such as component 300, housing unit 400 are constituted.The front panel assembly 200 is located at the refrigeration machine component 100 Front, the back panel assemblies 300 are located at behind the refrigeration machine component 100, and the housing unit 400 is located at the refrigeration The upper surface of thermomechanical components 100 simultaneously surround the refrigeration machine component 100 from left and right two sides.

As shown in figure 3, being the perspective view of the refrigeration machine component 100, perspective direction is front, the right side.As shown in figure 4, It is the top view of the refrigeration machine component 100.The refrigeration machine component 100 is by compressor 1, condenser 2, device for drying and filtering 3, section Fluid element 4, evaporator 5, threeway 6, filling bolt 7, water pump 8, bracket 9, water flow sensing unit 10, pedestal 11, Rubber shock-absorbing pad 12, The composition such as water inlet pipe 13, outlet pipe 14 and other connecting lines.

Compressor 1 is Minitype refrigeration compressor, and with exhaust outlet 1d and air entry 1s, compressor 1 is fixed on pedestal 11 On.Condenser 2 is micro-channel parallel flow formula condenser, and with air inlet pipe 2s and outlet tube 2d, condenser 2 is also fixed on pedestal On 11.Device for drying and filtering 3 is the internal container that molecular sieve and filter screen are housed, and has the import being relatively large in diameter and diameter smaller Outlet, wherein the import being relatively large in diameter is upward, diameter it is lesser go out mouth down.Restricting element 4 is capillary, restricting element 4 Any one of or restriction sleeve or miniature expansion valve.Evaporator 5 is miniature micro-channel evaporator, and evaporator 5 has There are refrigerant inlet 5a, refrigerant outlet 5b, water inlet 5c, water out 5d.The evaporator 5 is to lay flat, and be fixed on bracket 9 On.Refrigerant inlet 5a, refrigerant outlet 5b are located at the upper surface of evaporator；Water inlet 5c and water out 5d is located at evaporator 5 Lower surface.Threeway 6 has the first port 6a, the second port 6b and third connectivity mouth 6c (symbol is not marked in figure).Bolt 7 is filled to use In being filled with refrigerant into closed refrigeration system.Filling bolt 7 by threeway 6 be mounted on evaporator 5 refrigerant outlet 5b and On pipeline between the air entry 1s of compressor 1.Bracket 9 is used for evaporator 5 and water pump 8 is fixed on the pedestal 11.

As shown in Figure 3 and Figure 4, the exhaust outlet 1d of compressor 1 is connected by pipeline with the air inlet pipe 2s of condenser 2, is condensed The outlet tube 2d of device 2 is connected by pipeline with the import of device for drying and filtering 3 being relatively large in diameter, and the diameter of device for drying and filtering 3 is smaller Outlet be connected with one end of restricting element 4, the other end of restricting element 4 crosses the refrigerant inlet 5a phase of pipeline and evaporator 5 Even, the refrigerant outlet 5b of evaporator 5 is connected by pipeline with the first port 6a of threeway 6, the second port 6b and pressure of threeway 6 The air entry 1s of contracting machine 1 is connected, and the third connectivity mouth 6c of threeway 6 is connected by pipeline with filling bolt 7, so that composition one is closed Refrigeration system.Environment friendly refrigerating fluid is filled in this closed refrigeration system.

Fig. 5 is the close up perspective view of evaporator 5 and water route coupling part in refrigeration machine component 100.As shown in figure 5, Water pump 8 is the Miniature diaphragm pump of L-shaped structure, with motor 8m, water sucking mouth 8a and discharge outlet 8b.Water flow sensing unit 10, which has, to be passed Sensor water inlet 10a and sensor water outlet 10b.The central axes angle of sensor water inlet 10a and sensor water outlet 10b is 180 °, i.e. sensor water inlet 10a and sensor water outlet 10b are towards same direction (in this embodiment for upward).It steams The water inlet 5c of hair device 5 is connected with the discharge outlet 8b of water pump 8.The water out 5d of evaporator 5 and the sensor of water flow sensing unit 10 Water inlet 10a is connected.

As shown in fig. 6, be the perspective view of pedestal 11, perspective direction be below, the right side.There are four right for the quadrangle tool of pedestal 11 The column 11p of title is equipped with 4 front panel fixture nut 11m on the column close to front panel assembly 200, close to rear panel The column of component 300 is equipped with 4 rear panel fixture nut 11n.Front panel fixture nut 11m is for making front panel assembly 200 It is connected with pedestal 11, rear panel fixture nut 11n is for making back panel assemblies 300 be connected with pedestal 11.In pedestal 11 Position among arranged on left and right sides on the lower is equipped with 2 shell fixture nut 11s.3 are additionally provided on the bottom surface of pedestal 11 for solid Determine compressor 1 compressor fixing bolt 11c and 2 for fixing the bracket fixing screws 11z of bracket 9.1 benefit of compressor It is fixed on the pedestal 11 with compressor fixing bolt 11c, bracket 9 and its water pump 8 supported and evaporator 5 are fixed using bracket Screw 11z is fixed on pedestal 11c.

As shown in fig. 7, being the perspective view of the front panel assembly 200 of the miniature cooling-water machine, wherein left side is in terms of front Perspective view, right side is from the perspective view seen below.Front panel assembly 200 includes front panel 20, controller 21, control switch 22, compressor drive 23, front panel fixing screws 24.

As shown in figure 8, being the perspective view of front panel 20, perspective direction is to see from back to front.Front panel 20 is a foreign steamer Exterior feature is the plate of rectangle, and it is solid to be provided with controller mounting hole 20a, control switch mounting hole 20b, 4 front panels on plate 20 in front Determine hole 20s.The one side (i.e. behind front panel) of plate towards cooling-water machine component is equipped with several blind holes 20c in front.In front Plate 20 towards cooling-water machine component one side and be provided with elongated slot 20x by the position of top edge, plate 20 is towards cooling-water machine in front The one side of component and keep left, the position of right hand edge has elongated slot 20z and slot 20y, slot 20x, slot 20y, slot 20z Depth is less than the thickness of front panel 20.Controller 21 passes through controller mounting hole 20a from front to back and is fixed on front panel 20, controls System switch 22 passes through control switch mounting hole 20b from front to back and is forward-mounted on plate 20, and driven compressor plate 23 passes through screw It is fixed at the blind hole 20c on front panel 20.

As shown in figure 9, being the perspective view of the back panel assemblies 300 of the miniature cooling-water machine, wherein the left side is in terms of front Perspective view, the right is from the perspective view seen below.Back panel assemblies 300 include rear panel 30, fan 31, fan guard 32, water supply connector 33, water outlet connector 34, power connection 35, rear panel fixing screws 36, fan fixing screws 37, fan are fixed With hex nut 38 etc..Rear panel 30 is the plate that an outer profile is rectangle, and profile size and front panel 20 are identical.

It as shown in Figure 10, is the perspective view of rear panel 30, perspective direction is to see from front to back.It is provided on plate 30 below Circular ventilation hole 30a, water inlet connector mounting hole 30b, water out connector mounting hole 30c, power connection mounting hole 30e, after Panel fixation hole 30s, fan mounting holes 30f, in plate 30 below towards the one side of cooling-water machine component 100 and by the position of top edge Be provided with elongated slot 30u, below plate 30 towards cooling-water machine component 100 one side and keep left, the position of right hand edge has Elongated slot 30w, 30v.Slot 30u, slot 30v, slot 30w depth be less than rear panel 30 thickness.4 fan fixing screws 37 Back to front, the correspondence fixation hole being each passed through on 4 fan mounting holes 30f and fan 31,4 fans are fixed to use hexagonal spiral shell Mother 38 is separately mounted in 4 fan fixing screws 37, so that fan 31 is fixed on before rear panel 30.In fan 31 Axis and ventilation hole 30a are conllinear, and the air current flow direction of fan 31 is from the inside stream of the cooling-water machine component 100 panel backward Behind 30.

Figure 11 is the perspective view of the housing unit 400 of the miniature cooling-water machine 1000.Housing unit 400 include shell 40, It is fixed on handle 41, the housing retaining screws 42 of 40 top center position of shell (both sides respectively have one).Shell 40 is one piece and opens The U-shaped thin plate of mouth down.Shell 40 is provided with shutter 40b in the side close to condenser 2.40 two sides of shell are in bottom Between position open there are two shell fixation hole 40s (two sides respectively have one).Shell 40 has prominent in the direction towards front panel 20 Edge strip 40x, edge strip 40y, edge strip 40z out, it is corresponding with slot 20x, slot 20y, the slot 20z on front panel 20 respectively；Shell 40 The direction towards rear panel 30 have edge strip 40u outstanding, edge strip 40v, edge strip 40w (and edge strip 40v is symmetrical), respectively and Slot 30u, slot 30v, slot 30w on rear panel 30 is corresponding.

With reference to Fig. 2 and other each figures, refrigeration machine component 100, front panel assembly 200, back panel assemblies 300, housing unit 400 assembly relation is: two housing retaining screws 42 are each passed through the shell fixation hole 40s on shell 40, on pedestal 11 Shell fixture nut 11s be connected, so that housing unit 400 is fixed on refrigeration machine component 100.Make the edge strip of shell 40 40x, edge strip 40y, edge strip 40z are inserted into respectively in the slot 20x, slot 20y, slot 20z of front panel 20, while fix four front panels Screw 24 from front to back, 4 front panel fixation hole 20s being each passed through on front panel 20 and 4 front panels on pedestal 11 Fixture nut 11m is connected, so that front panel assembly 200 is fixed on the pedestal 11.Make edge strip 40u, the edge strip of shell 40 40v, edge strip 40w are inserted into respectively in the slot 30u, slot 30v, slot 30w of rear panel 30, at the same make four rear panel fixing screws 36 by Afterwards forward, 4 rear panel fixation hole 30s being each passed through on rear panel 30 and 4 rear panel fixture nuts on pedestal 11 11n is connected, so that back panel assemblies 300 are fixed on the pedestal 11.One end of water inlet pipe 13 is connected with water supply connector 33, The other end of water inlet pipe 13 is connected with the water sucking mouth 8a of water pump 8；One end of outlet pipe 14 and the sensor of water flow sensing unit 10 Water outlet 10b is connected, and the other end of outlet pipe 14 is connected with water outlet connector 34.

When water pump 8 works, negative pressure is generated at the 8a of water sucking mouth, to attract the water flow except the miniature cooling-water machine 1000 Enter water pump 8 via water supply connector 33, water inlet pipe 13.Water is pressurized in water pump 8, then through discharge outlet 8b, evaporator 5 Water inlet 5c enters evaporator 5.In evaporator 5, the refrigerant heat absorption that water is evaporated becomes cold water, then by evaporator 5 Water out 5d outflow, into water flow sensing unit 10.The cold water for flowing out water flow sensing unit 10 is flowed by outlet pipe 14, water outlet connector 34 The miniature cooling-water machine 1000 out.The cold water for flowing out the miniature cooling-water machine 1000 can be used as cooling down high-power optoelectronic component, The refrigerating medium of the pyrotoxins such as high-power chip, optical fiber laser, power switch tube.After cold water is heated by pyrotoxin, by intaking Connector 33 returns to the miniature cooling-water machine 1000, is cooled down again, to have the ability of cooling pyrotoxin again, so Constitute complete waterway circulating.

When fan 31 operates, air flows out the ventilation hole 30a of rear panel 30 under the driving of fan 31 from front to back, from And negative pressure is generated in the inside of refrigeration machine component 100, the air of this 40 periphery of vacuum suction shell, so that air passes through shell 40 On shutter 40w and condenser 2 enter refrigeration machine component 100 inside, air takes away condenser 2 when flowing through condenser 2 The heat released.

When water pump 8 and fan 31 operate, and compressor 1 operates, compressor 1 sucks the refrigeration of low pressure from evaporator 5 Agent gas simultaneously compresses.After refrigerant gas compresses in compressor 1, temperature raising, pressure rise, described in exhaust outlet 1d discharge Compressor 1, then condenser 2 is entered by the air inlet pipe 2s of condenser 2.In condenser 2, the refrigerant gas of high temperature and pressure is to stream Air heat release through condenser 2, heats air, the air after heating be condensed fan 31 blow out backward it is described miniature cold Water dispenser 1000.Refrigerant after heat release then condenses out, and becomes the refrigerant liquid of high temperature and pressure, from the outlet tube of condenser 2 2d flows out condenser 2, into device for drying and filtering 3.Moisture and impurity quilt when by device for drying and filtering 3, in refrigerant liquid It absorbs, filter out, then refrigerant liquid enters restricting element 4.When refrigerant passes through restricting element 4, due to the section of restricting element Stream effect, refrigerant pressure reduce, and partially liq shwoot comes out, while temperature also reduces, and becomes the gas-liquid mixed of low-temp low-pressure Object enters evaporator 5 by the refrigerant inlet 5a of evaporator 5.In evaporator 5, the gas-liquid mixture of low-temp low-pressure evaporates, and inhales The heat by the water inlet 5c water flowed into is received, the temperature of water is reduced, is i.e. generation refrigeration effect, cold water is made, cold water is gone out by water Mouth 5d flows out evaporator 5.Refrigerant after evaporation then all becomes the gas of low-temp low-pressure, and gas is flowed out by refrigerant outlet 5b Evaporator 5, and pass through threeway 6, compressor 1 is finally returned to by the air entry 1s of compressor 1.In compressor 1, refrigerant weight It is newly compressed, is looped back and forth like this.

Water flow sensing unit 10 is Miniature water flow sensor, with water temperature and water flow detection function, and will test Water temperature and water flow signal prosperity are to controller 21.When water flow sensor 10 detects water flowing signal, controller 21 is sent out Compressor start signal starts compressor 1 and operates to compressor drive 23 out；In 1 operation process of compressor, if water flow When sensor 10 detects water cut signal, controller 21 issues compressor stop signal to compressor drive 23, stops pressure Contracting machine 1 operates.The water temperature signal that controller 21 is detected according to water flow sensing unit 10 issues compressor rotary speed control signal to pressure Contracting machine driver 23, compressor drive 23 drive compressor 1 to make variable speed operating.When the rotation speed change of compressor 1, system Cooling capacity changes therewith, the water temperature at water out 5d so as to accurately adjust outflow evaporator 5.

Miniature cooling-water machine described in the utility model is laid out using the air-flow of side air inlet, back outlet air, and below Water inlet, the water route being discharged below layout, and due to using minisize dc refrigeration compressor, micro-channel condenser, miniature micro- The minisize refrigerations component such as microchannel evaporator, Miniature diaphragm pump can meet Table top type, just so that compact overall structure, compact Formula, lightweight and other particular applications are taken to the needs of minisize refrigeration equipment.In addition, the topology layout of the utility model makes The screw number that must need to install on the shell minimize, and complete machine is more easily assembled.

In the description of the present invention, it should be understood that term "front", "rear", "upper", "lower", "left", "right", The orientation or positional relationship of the instructions such as "inner", "outside", " front ", " back side ", " side ", " top ", " bottom " is based on attached drawing Shown in orientation or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion institute The structure or element of finger must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this reality With novel limitation.In addition, define " first ", the feature of " second " can explicitly or implicitly include it is one or more A this feature.In the description of the present invention, unless otherwise indicated, " multiple ", " several " be meant that two or two with On.

In above-described embodiment, cold and hot fluid only one circuit of heat exchange is participated in, that is, is suitable for the refrigeration of single compressor System, but the utility model does not have any restrictions to the feeder number of refrigerant.The utility model can equally be well applied to more times Single compressor can be such as changed to double-compressor parallel, or single condenser is changed to double-condenser parallel connection by road system, without changing Become key structural feature described in the utility model.

The above is only the specific application examples of the utility model, do not constitute any limit to the protection scope of the utility model System.Any technical scheme formed by adopting equivalent transformation or equivalent replacement, all fall within the utility model rights protection scope it It is interior.

Claims (9)

1. a kind of miniature cooling-water machine produces cold water using miniature steam compression type refrigerating circulation, it is characterized in that: the miniature cold water Machine is made of refrigeration machine component, front panel assembly, back panel assemblies, housing unit；The front panel assembly is located at the system Before cold component, the back panel assemblies are located at behind the refrigeration machine component, and the housing unit is located at the system The upper surface of cold component simultaneously surrounds the refrigeration machine component from left and right two sides；The refrigeration machine component by compressor, condenser, Device for drying and filtering, restricting element, evaporator, threeway, filling bolt, water pump, bracket, water flow sensing unit, pedestal, Rubber shock-absorbing pad, The composition such as water inlet pipe, outlet pipe and other connecting lines；The front panel assembly include front panel, controller, control switch, Compressor drive, front panel fixing screws；The back panel assemblies include that rear panel, fan, fan guard, water inlet connect Head, water outlet connector, power connection, rear panel fixing screws, fan fixing screws, the fixed hex nut of fan；The shell Component includes shell, handle, housing retaining screws；The miniature cooling-water machine is using side air inlet, the air-flow layout of back outlet air； The water supply connector, water outlet connector are located at behind the miniature cooling-water machine；Water flow is entered described miniature by the water supply connector After cooling-water machine, cooled down in the refrigeration machine component, become cold water, the miniature cold water is then flowed out by the water outlet connector Machine.

2. miniature cooling-water machine according to claim 1, it is characterized in that: the compressor is minisize dc frequency conversion refrigerant compression Machine, the condenser be micro-channel parallel flow condenser, the restricting element be capillary, restriction sleeve or miniature expansion valve it Any one of, the evaporator is miniature micro-channel evaporator, and the water pump is Miniature diaphragm pump；The compressor, condensation Device, device for drying and filtering, restricting element, evaporator, threeway, which are sequentially connected, constitutes closed refrigeration system, herein closed refrigeration system Refrigerant is filled in system；The filling bolt accesses the refrigeration system by the threeway；The bracket supports the evaporation Device and the water pump.

3. miniature cooling-water machine according to claim 1, it is characterized in that: there are four symmetrical vertical for the quadrangle tool of the pedestal Column is equipped with 4 front panel fixture nuts on the column close to the front panel assembly, close to the vertical of the back panel assemblies Column is equipped with 4 rear panel fixture nuts, and the position among the arranged on left and right sides of the pedestal on the lower is equipped with 2 shells and fixes Nut is additionally provided with 3 for fixing the compressor fixing bolt and 2 use of the compressor on the bottom surface of the pedestal In the bracket fixing screws of the fixation bracket.

4. miniature cooling-water machine according to claim 1, it is characterized in that: it is the flat of rectangle that the front panel, which is an outer profile, Plate is provided with controller mounting hole, control switch mounting hole, front panel fixation hole on the front panel；Plate is towards cooling-water machine in front The one side of component is equipped with several blind holes；Plate is towards the one side of cooling-water machine component in front and the position at top, left and right edge is divided It is not provided with elongated slot, the depth of slot is less than the thickness of front panel；It is solid that the controller passes through controller mounting hole from front to back Fixed control switch passes through control switch mounting hole from front to back and is forward-mounted on plate on the front panel, and driven compressor plate is logical It crosses at the fixed blind hole on the front panel of screw.

5. miniature cooling-water machine according to claim 1, it is characterized in that: it is the flat of rectangle that the rear panel, which is an outer profile, Plate, profile size is identical with front panel, is provided with circular ventilation hole, water inlet connector mounting hole, water out on plate below Connector mounting hole, power connection mounting hole, rear panel fixation hole, fan mounting holes；Towards cooling-water machine component on plate below On one side and the position at top, left and right edge has elongated slot, and the depth of slot is less than the thickness of rear panel；The fan For aerofoil fan, the central axes of the fan and the centerline collineation of ventilation hole, the air current flow direction of fan are from described cold Water dispenser component internal flows to behind rear panel.

6. miniature cooling-water machine according to claim 1, it is characterized in that: the shell is one piece of downward opening U-shaped thin plate； The shell is provided with shutter in the condenser side close to refrigeration machine component；It is opened in the position among bottom shell two sides There are 2 shell fixation holes；Shell has 3 edge strips outstanding in the direction towards front panel, thin with 3 on front panel respectively Long slot is corresponding；Shell also has 3 edge strips outstanding in the direction towards rear panel, thin with 3 on rear panel respectively Long slot is corresponding.

7. according to claim 1~miniature cooling-water machine as claimed in claim 6, it is characterized in that: 2 housing retaining screws respectively from 2 shell fixation holes that two sides pass through on the shell are connected with 2 shell fixture nuts on the pedestal, thus will The housing unit is fixed on the pedestal of the refrigeration machine component；3 edge strips towards front panel of the shell are inserted respectively Enter in 3 elongated slots on the front panel, while 4 front panel fixing screws are from front to back, are each passed through the front 4 front panel fixation holes on plate are connected with 4 front panel fixture nuts on the pedestal, thus by the front panel Component is fixed on the pedestal of the refrigeration machine component；3 edge strips towards rear panel of the shell be inserted into respectively it is described after In 3 elongated slots on panel, while 4 rear panel fixing screws are back to front, 4 be each passed through on the front panel Rear panel fixation hole is connected with 4 rear panel fixture nuts on the pedestal, so that the back panel assemblies are fixed on On the pedestal of the refrigeration machine component.

8. miniature cooling-water machine according to claim 1, it is characterized in that: the water flow sensing unit have sensor water inlet and The central axes angle of sensor water outlet, sensor water inlet and sensor water outlet is 180 °, and sensor water inlet and biography Sensor water outlet is upward；The water inlet of the evaporator is connected with the discharge outlet of the water pump；The water out of the evaporator It is connected with the sensor water inlet of the water flow sensing unit；One end of the water inlet pipe is connected with the water supply connector, described The other end of water inlet pipe is connected with the water sucking mouth of the water pump；The sensing of one end of the outlet pipe and the water flow sensing unit Device water outlet is connected, and the other end of the outlet pipe is connected with the water outlet connector.

9. miniature cooling-water machine according to claim 1, it is characterized in that: there is the water flow sensing unit water temperature and water flow to examine Brake, and the controller is given in the water temperature that will test and water flow signal prosperity；When water flow sensor detects water flow When dynamic signal, the controller issues compressor start signal to the compressor drive, starts the compressor operation；? In the compressor operational process, when the water flow sensor detects water cut signal, the controller issues compression Machine stop signal gives the compressor drive, stops the compressor operation；When the compressor runs well, the control The water temperature signal that device processed is detected according to the water flow sensing unit issues compressor rotary speed control signal to the driven compressor Device drives the compressor to make variable speed operating, to adjust the water temperature at the evaporator water out.