CN1648557A - Supercharger unit - Google Patents
Supercharger unit Download PDFInfo
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- CN1648557A CN1648557A CN 200410088181 CN200410088181A CN1648557A CN 1648557 A CN1648557 A CN 1648557A CN 200410088181 CN200410088181 CN 200410088181 CN 200410088181 A CN200410088181 A CN 200410088181A CN 1648557 A CN1648557 A CN 1648557A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/22—Refrigeration systems for supermarkets
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- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provided a booster unit capable of preventing condensed water from flowing to the outside. This booster unit storing a boosting compressor for boosting pressure of refrigerant passing through a freezing case up to pressure of refrigerant passing through a refrigerating case is provided with a unit base 71 in which the boosting compressor is arranged and a panel 75 in which a fringe part 75A is applied to an outer peripheral part 73 of the unit base 71 and which covers the boosting compressor 54. A first seal material is arranged between the panel 75 and the outer peripheral part 73 of the unit base 71, and a second seal material 79 is arranged at an upper face peripheral fringe of the unit base 71.
Description
Technical field
The present invention relates to have the supercharger unit that boosts with compressor.
Background technology
In recent years, scheme with refrigeration system of air-conditioning system portion and cooling system portion is suggested (for example patent documentation 1), air-conditioning system portion carries out room conditioning in shops such as convenience stores, and cooling system portion is to being arranged on cooling off as the refrigerating box of cold storage equipment and household freezer etc. in the shop.
Because the evaporating pressure of the cold-producing medium of household freezer is lower than the evaporating pressure of the cold-producing medium of refrigerating box, therefore utilize under the situation that a refrigerant loop cools off refrigerating box and household freezer, need make the refrigerant pressure after refrigerant pressure behind the household freezer rises to refrigerating box, with the cold-producing medium interflow behind the refrigerating box.Therefore, can consider to be provided with in refrigeration system portion to cool off with compressor (first compressor) and boost and use compressor (second compressor), cooling is to make the cold-producing medium circulation with the main effect of compressor; Boosting with compressor is that the refrigerant pressure behind the household freezer is boosted.
[patent documentation 1] spy opens the 2002-174470 communique
As an above-mentioned example, can consider to cool off with compressor and be stored in outdoor unit, be stored in the supercharger unit of other unit beyond the outdoor unit with compressor and will boost.In this case, supercharger unit situation about being set on the metope of indoor or outdoors in shops such as convenience store is in the majority.
But, owing to produce dewfall with on the suction line of compressor etc. being received and kept boosting in this supercharger unit, therefore, following problem is often arranged, when promptly this dew flows out outside supercharger unit, will get wet in the shop or spatter on one's body the salesman.
Summary of the invention
The present invention in view of the above problems, purpose provides the supercharger unit that prevents that dew from flowing out to the outside.
In order to address the above problem, the present invention is that a kind of harvesting is used the supercharger unit of compressor in order to boost to through the refrigerant pressure of household freezer through the boosting of refrigerant pressure of refrigerating box, it is characterized in that, have: be provided with above-mentioned boosting with the unit base and the panel of compressor, this panel is that peripheral part, above-mentioned the boosting of covering that edge part nestles up this unit base used compressor, first seal is set between the peripheral part of this panel and unit base, and, second seal is set at the upper periphery of said units base.
In this case, being positioned at the discharge outlet of boosting also can having on the said units base with below the compressor.
And the formation of above-mentioned second seal also can be the sponge member with separated foam.
And the formation of said units base also can be to be bent to form downwards around the steel plate.
The present invention can prevent that dew from flowing out to the outside of supercharger unit.
Description of drawings
Fig. 1 is system's pie graph of refrigerant loop that expression comprises the refrigeration system of embodiments of the present invention.
Fig. 2 is the outward appearance side view of expression outdoor unit.
Fig. 3 is the vertical view after the top panel with outdoor unit unloads.
Fig. 4 is the vertical view that the inside of expression supercharger unit constitutes.
Fig. 5 is the profile of unit base.
Fig. 6 is the profile of expression unit base case of bending.
The specific embodiment
Below, with reference to accompanying drawing, describe with regard to an embodiment of the invention.
Fig. 1 is system's pie graph of the refrigeration system 1 of expression present embodiment.This refrigeration system 1 carries out the room conditioning of 2 (indoor) in the shop of convenience store for example and is arranged in the case as the refrigerating box 3 of cold storage equipment and household freezer 4 at this place cooling off.And refrigerating box 3 is, is cooled to refrigerated storage temperature (+3 ℃~+ 10 ℃) in the case, and display beverage and chilled food, household freezer 4 are to be cooled to cryogenic temperature (10 ℃~-20 ℃) in the case, display frozen food or frozen confectionery etc.
Compressor of air conditioner 13A is the compressor that convertor controls is used, and compressor of air conditioner 13B is the compressor that constant speed drive is used.Compressor of air conditioner 13A, 13B are by parallel connection, and the discharge side of each compressor of air conditioner 13A and 13B is connected with an inlet of cross valve 14 by separator 10 by check-valves 5A, 5B interflow.And an outlet of cross valve 14 is connected with the inlet of heat source side interchanger 16.This heat source side interchanger 16 is made of entrance side 16A and outlet side 16B, entrance side 16A be by a plurality of pipe arrangements arranged side by side constitute, flow path resistance is less; Outlet side 16B is that a plurality of pipe arrangements arranged side by side are aggregated into the pipe arrangement arranged side by side of minority or the pipe arrangement of odd number.And the outlet of the outlet side 16B of this heat source side interchanger 16 is by check valve in parallel 5C and expansion valve 17, is connected with the inlet of expansion valve 18, and the outlet of expansion valve 18 spreads all over indoor unit 11, is connected with utilizing side heat exchanger 27 inlets.
Utilize the outlet of side heat exchanger 27 to spread all over outdoor unit 12, be connected with another inlet of cross valve 14, an outlet of cross valve 14 is connected with accumulator 23 by check-valves 5D.And the outlet of this accumulator 23 is connected with the suction side of idle call compressor 13A, 13B.In addition, check-valves 5D and accumulator 23 sides are along direction.In addition, the pipe arrangement between the expansion valve 17 and 18 is connected with the inlet of expansion valve 19, and the outlet of expansion valve 19 is connected with the inlet of the air-conditioning wing passage 21A of cascade heat exchanger 21.The outlet of the air-conditioning wing passage 21A of this cascade heat exchanger 21 is connected with the suction side of idle call compressor 13A, 13B by accumulator 23.
Outside air-conditioner controller 26 is made of general microcomputer, according to the machine of the air-conditioning system portion 6 of outside air temperature or refrigerant pressure control outdoor unit 12 sides.In addition, indoor air-conditioner controller 28 is made of general microcomputer, indication according to user that send from remote controller (do not have diagram), by acceptance division (not having diagram) input, the machine of control indoor unit 11 sides carries out data with the information of corresponding user's indication etc. to outside air-conditioner controller 26 and transmits.In addition, air blast 24 is air blasts that thermotropism source heat exchanger 16 is carried extraneous air, and air blast 15 is to utilizing side heat exchanger 27 to carry the air blast of room air.
On the one hand, cooling system portion 8 have as the refrigerating box 3 or the household freezer 4 of cold storage equipment and be arranged on and outdoor unit 12 between cooling with refrigerant loop 9.This refrigerant loop 9 is by carrying out freeze cycle with the lower part, promptly be arranged on the refrigerating box 3 refrigeration with evaporimeter 43, be arranged on freezing on the household freezer 4 with evaporimeter 49, be arranged on condenser (heat exchanger) 38 in the outdoor unit 12 and cooling with the compressor 37 (first compressor) and the usefulness compressor 54 (second compressor) that boosts.
Cooling is cold-producing medium circulations with the main effect of compressor 37, and this cooling is connected with an inlet of cross valve 39 by separator 31 with the discharge side of compressor 37, and an outlet of this cross valve 39 is connected with the inlet of condenser 38.This condenser 38 is made of flow path resistance smaller entrance side 38A and outlet side 38B, and entrance side 38A has a plurality of pipe arrangements arranged side by side to form, and outlet side 38B is aggregated into minority pipe arrangement arranged side by side or odd number pipe arrangement with a plurality of pipe arrangements arranged side by side.And the outlet of the outlet side 38B of this condenser 38 is connected with the inlet of air accumulator 36, and the outlet of this air accumulator 36 is connected with an inlet of cross valve 41.That is, air accumulator 36 is connected with the cold-producing medium downstream of condenser 38.
In addition, cross valve 41 outlet is connected with the inlet of the case wing passage 21B of cascade heat exchanger 21.In addition, cascade heat exchanger 21 is to make cold-producing medium carry out heat exchange mutually, this cold-producing medium is air-conditioning wing passage 21A and the case wing passage 21B by constituting in inside respectively, and like this, the low-pressure side of idle call refrigerant loop 7 and cooling are carried out thermally coupled with the high-pressure side of refrigerant loop 9.
The outlet of the case wing passage 21B of cascade heat exchanger 21 is connected with another inlet of cross valve 39, and another outlet of this cross valve 39 is connected with another inlet of cross valve 41.And another outlet of this cross valve 41 is stretched out 2 (in the shops) fork in the inlet chamber from outdoor unit 12.A pipe arrangement behind the fork is connected with the inlet of refrigeration with evaporimeter 43 with expansion valve 44 by magnetic valve 46.Another pipe arrangement is connected with freezing inlet with evaporimeter 49 with expansion valve 51 by magnetic valve 52.
Freezing outlet with evaporimeter 49 is connected (check-valves 30 with boost with compressor 54 sides are suitable directions) by check-valves 30 with the suction line 63 with compressor 54 of boosting.This boosts with compressor 54 in order to boost to the refrigerant pressure through refrigerating box 3 through the refrigerant pressure of household freezer 4, compares with compressor 37 with cooling, and be to export the compressor little, that the cold-producing medium discharge rate is few.Therefore, it is also few to sneak into the oil level that this cold-producing medium flows out outside machine.This discharge pipe 65 that boosts with compressor 54 is connected with an inlet of cross valve 42 by separator 45, outlet of cross valve 42 with refrigerate outlet side with evaporimeter 43 and be connected after, be connected with the suction side of cooling off with compressor 37.Promptly boosting with compressor 54 and cooling is series connection on refrigerant loop with compressor 37.In addition, another inlet of cross valve 42 is connected with the pipeline that boosts with the entrance side of compressor 54, and the pipeline of entrance side that the case wing passage 21B of non-return valve 61 and cascade heat exchanger 21 is passed through in another outlet of cross valve 42 collaborates.And non-return valve 61 is along direction with cascade heat exchanger 21 sides.
In the above-described configuration, in each constituent part of cooling system portion 8, boost and received and kept in supercharger unit 22 with compressor 54, check-valves 30, separator 45 and cross valve 42, this supercharger unit 22 separates with the outdoor unit 12 of harvesting cooling with compressor 37.This supercharger unit 22 is set at position arbitrarily such as the outer wall of convenience store or ground.In addition, the formation of receiving and keeping the cross valve 42 in supercharger unit 22 is, by it is switched, can form bypass path, that is, will be from refrigeration with evaporimeter 43 and freezing cold-producing medium (cooling cold-producing medium) with evaporimeter 49 without each compressor (cool off with compressor 37 or boost and use compressor 54) of cooling system portion 8 and the inlet of importing cascade heat exchanger 21.Like this, cooling is with under compressor 37 and the situation about breaking down of boosting with compressor 54, by switching cross valve 42, can import the inlet of cascade heat exchanger 21 with evaporimeter 43 and the freezing cold-producing medium that flows out with evaporimeter 49 from refrigeration through the compressor that does not have fault.
Outside cooling controller 32 is made of general microcomputer, according to the machine of the cooling system portion 8 of outside air temperature or refrigerant pressure control outdoor unit 12 sides.In addition, refrigerating box controller 50 is made of general microcomputer, is according to the machine of refrigeration with the temperature inside the box control cooling system portion 8 of storage equipment (refrigerating box 3).In addition, household freezer controller 55 is made of general microcomputer, is according to freezing the temperature inside the box with storage equipment (household freezer 4), the machine of control cooling system portion 8.In addition, air blast 35 is air blasts from extraneous airs to condenser 38 that carry, and air blast 20 is air blasts of air in the case of condenser 38 conveying refrigerating boxes 3, and air blast 25 is air blasts of air in the case of freezing usefulness evaporimeter 49 conveying household freezers 4.
This refrigeration system 1 has master controller 56.Master controller 56 is made of general microcomputer, by carrying out data communication, carry out the control of refrigeration system 1 integral body with outside air-conditioner controller 26, indoor air-conditioner controller 28, outside cooling controller 32, refrigerating box controller 50 and household freezer controller 55.And, in this refrigeration system 1, the different cold-producing medium of use in the refrigerant loop 9 at idle call refrigerant loop 7 and cooling, for example, in idle call refrigerant loop 7, use R410A, in cooling off, use boiling point to be higher than the R404A of R410A with refrigerant loop 9.Like this, because this refrigeration system 1 can use the cold-producing medium of suitable each refrigerant loop respectively, therefore, can improve the free degree of loop design.
Below, describe with regard to the action of the refrigeration system 1 of this refrigeration system 1 when carrying out the cooling of indoor 2 cold air and refrigerating box 3, household freezer 4.
At first, master controller 56 transmits the data of relevant only drive manner when carrying out above-mentioned running to outside air-conditioner controller 26, indoor air-conditioner controller 28, outside cooling controller 32, refrigerating box controller 50 and household freezer controller 55.
According to the transmission data from this master controller 56, as shown in Figure 1, outside air-conditioner controller 26 is communicated with an above-mentioned inlet of cross valve 14 with an outlet, and another inlet is communicated with another outlet.In addition, expansion valve 17 is opened fully.And, running idle call compressor 13A, 13B.And outside air-conditioner controller 26 is adjusted the operating frequency of idle call compressor 13A, carries out ability control.
After idle call compressor 13A, the 13B running, the gas refrigerant of the HTHP of discharging from the discharge side of these idle call compressors 13A, 13B enters the entrance side 16A of heat source side heat exchanger 16 through cross valve 14.Extraneous air is ventilated to this heat source side heat exchanger 16 by air blast 24, and cold-producing medium dispels the heat herein, condensation liquefaction.That is, in this case, heat source side heat exchanger 16 plays a role as condenser.This liquid refrigerant passes through outlet side 16B, flows out from this outlet side 16B from the entrance side 16A of heat source side heat exchanger 16.And, by diverging behind the expansion valve 17.Side behind the fork arrives expansion valve 18, at this, is become after the low pressure after (decompression) by throttling, and inflow utilizes side heat exchanger 27, evaporates at this.
The air in indoor 2 (in the shops) is utilized side heat exchanger 27 to ventilate by air blast 15 to this, the air in indoor 2 (in the shops) is cooled by the heat-absorbing action that the cold-producing medium evaporation produces.Like this, the refrigeration in indoor 2 (in the shops) is carried out.Below the cryogenic gas cold-producing medium repetition that utilizes side heat exchanger 27 to flow out, circulate, promptly pass through cross valve 14, non-return valve 5D, accumulator 23 successively, be inhaled into the suction side of idle call compressor 13A, 13B.
Indoor air-conditioner controller 28 is according to the temperature of utilizing side heat exchanger 27 or be inhaled into the air themperature control air blast 15 that utilizes side heat exchanger 27, this air blast 15 is to utilizing side heat exchanger 27 to ventilate, and makes the temperature in indoor 2 (in the shops) reach the design temperature of prior setting.Information from indoor air-conditioner controller 28 is sent to master controller 56, and outside air-conditioner controller 26 is according to this information, and control idle call compressor 13A, 13B turn round.
The opposing party's cold-producing medium by non-return valve 5C fork arrives expansion valve 19, is stressed the air-conditioning wing passage 21A that step-down (decompression) back flows into cascade heat exchanger 21 at this, evaporates at this.Cold-producing medium by this idle call refrigerant loop 7 evaporates the heat-absorbing action that produces, and cascade heat exchanger 21 is cooled, and temperature reduces.From circulation below the cryogenic gas cold-producing medium repetition of cascade heat exchanger 21 outflows, promptly be inhaled into the suction side of idle call compressor 13A, 13B through accumulator 23.
For the temperature that makes indoor 2 (in the shops) reaches the design temperature that the user utilizes remote-control apparatus (remote controller) to set, outside air-conditioner controller 26 according to room temperature, utilize the refrigerant temperature of side heat exchanger 27 gateways or utilize the temperature of side heat exchanger 27, adjust the operating frequency of idle call compressor 13A or the aperture of expansion valve 18.In addition, outside air-conditioner controller 26 is adjusted valve opening, the control undercooling of expansion valves 19, makes the difference of the inlet temperature TC1 of case wing passage 21B of cascade heat exchanger 21 and outlet temperature TC2 reach the design temperature poor (for example 20 ℃) of prior setting.
In addition, indoor air-conditioner controller 28 is according to the temperature of utilizing side heat exchanger 27 or be utilized side heat exchanger 27 inhaled air temperature control air blast 15, this air blast 15 is to utilizing side heat exchanger 27 to ventilate, and makes the temperature in indoor 2 (in the shops) reach the design temperature of prior setting.
On the one hand, outside cooling controller 32 makes the cooling of cooling system portion 8 use an above-mentioned inlet of the cross valve 39 of refrigerant loop 9 to be communicated with an outlet, and another inlet is communicated with another outlet.In addition, an above-mentioned inlet of cross valve 41 is communicated with an outlet, another inlet is communicated with another outlet.And the running cooling is used compressor 54 with compressor 37 with boosting.The high-temperature high-pressure gas refrigerant of discharging with compressor 37 from cooling is passed through the entrance side 38A that cross valve 39 enters condenser 38 by after separator 31 is isolated machine oil.Extraneous air is also ventilated to this condenser 38 by air blast 35, and the cold-producing medium that flows into condenser 38 carries out condensation in this place's heat radiation.And magnetic valve 47 is all opened.
The cold-producing medium of entrance side 38A by this condenser 38 arrives outlet side 38B, from this outflow.The cold-producing medium that flows out from condenser 38 enters in this air accumulator 36 from the entrance side of air accumulator 36, is temporarily stored herein, carries out gas/liquid separation.Separated liquid refrigerant flows out from the outlet of air accumulator 36, by entering the case wing passage 21B of cascade heat exchanger 21 behind the cross valve 41.The cooling that enters this case wing passage 21B is cooled off by cascade heat exchanger 21 with the cold-producing medium of refrigerant loop 9, further strengthens the undercooling state, and this cascade heat exchanger 21 evaporation of the cold-producing medium by idle call refrigerant loop 7 as mentioned above becomes low temperature.More particularly, as mentioned above, be cooled to the design temperature poor (for example 20 ℃) of setting in advance by 26 of outside air-conditioner controllers.And, owing to air accumulator 36 directly is set in the back of condenser 38, and therefore, the heat loss in the time of can eliminating undercooling, and, also can carry out the adjustment of refrigerant amount.
Be cooled excessive cold-producing medium successively by cross valve 39, cross valve 41 back forks at this cascade heat exchanger 21, and a square tube is crossed magnetic valve 46 and is arrived expansion valve 44, is extruded back (decompression) at this and flows into refrigeration with evaporimeter 43, evaporates at this.At refrigeration evaporimeter 43, by the circulation of ventilating respectively, air is cooled by the heat-absorbing action of cold-producing medium evaporation air in the case by air blast 20 in the case of refrigerating box 3.By cooling off in the case that carries out refrigerating box 3 like this.Arrive the outlet side of the separator 45 of the usefulness compressor 54 that boosts with the cryogenic gas cold-producing medium of evaporimeter 43 outflows from refrigeration.
Flow out the opposing party's cold-producing medium that diverges the back from cascade heat exchanger 21 and arrive expansion valves 51, be extruded back (decompression) at this and flow into the freezing evaporimeter 49 of using, evaporate at this by magnetic valve 52.Freezing with evaporimeter 49 at this, in the case of household freezer 4 air also by air blast 25 by the circulation of ventilating respectively, air is cooled by the heat-absorbing action of cold-producing medium evaporation in the case, carries out cooling off in the case of household freezer 4.
Diverged from the freezing cryogenic gas cold-producing medium that flows out with evaporimeter 49, one side arrives through check valve 30 and boosts with compressor 54, after this is compressed, boosts to the pressure of refrigeration with the outlet side of evaporimeter 43, discharge with compressor 54 from boosting, after separator 45 separates machine oil, by cross valve 42 and the cold-producing medium interflow of using evaporimeter 43 from refrigeration.This cold-producing medium behind the interflow repeats by the circulation of the suction side of compressor 37 suction.In addition, the opposing party's cold-producing medium flows into cascade heat exchanger 21 by cross valve 42, check valve 61.
Refrigerating box controller 50 is controlled the valve opening of each expansion valve 44 respectively according to following temperature, promptly the temperature inside the box of refrigerating box 3 or through refrigeration with the discharge cold air temperature of evaporimeter 43 or to refrigeration with the suction cold air temperature of evaporimeter 43 and refrigeration with the refrigerant temperature of the outlet side of evaporimeter 43 or refrigeration temperature with evaporimeter 43.Like this, one side maintains above-mentioned refrigerated storage temperature with cooling in the case of refrigerating box 3, and one side forms the suitable degree of superheat (degree of superheat is certain).
In addition, household freezer controller 55 is according to the valve opening of following temperature control expansion valve 51, and promptly the temperature inside the box of household freezer 4 or process are freezing with the discharge cold air temperature of evaporimeter 49 or to freezing suction cold air temperature and freezing refrigerant temperature or the freezing temperature with evaporimeter 49 of using the outlet side of evaporimeter 49 with evaporimeter 49.Like this, one side maintains above-mentioned cryogenic temperature with cooling in the case of household freezer 4, and one side forms the suitable degree of superheat (degree of superheat is certain).
According to the pressure (the cooling low pressure of refrigerant loop 9) of suction side, cooling is controlled with the operating frequency of compressor 37.And, be stopped during all expansion valve 44,51 contract fullys, and, when being opened, any one turns round.
Like this, because the low-pressure side cold-producing medium of the idle call refrigerant loop 7 of air-conditioning wing passage 21A that can be by flowing into cascade heat exchanger 21, make cooling excessive with the high-pressure side refrigerant cools of refrigerant loop 9, therefore, can improve the cooling capacity of evaporimeter 43,49 of refrigerating box 3 and household freezer 4 and cooling with the operating efficiency of refrigerant loop 9.In addition, in this case, because therefore the cooling case wing passage 21B of the on high-tension side cold-producing medium of refrigerant loop 9 by condenser 38 inflow cascade heat exchangers 21, also can maintain the degree of superheat of idle call refrigerant loop 7 suitable scope.
In addition, from cooling be with the pressure of the freezing cold-producing medium with evaporimeter 49 outflows of refrigerant loop 9, owing to its evaporating temperature is lower than cold-producing medium from refrigeration evaporator 43, but because before collaborating with the cold-producing medium that flows out from refrigeration evaporator 43, boosted with compressor 54 compression, boost, therefore, can be simultaneously by each evaporimeter 43,49 respectively reposefully in the case of cooling refrigeration case 3 and household freezer 4, one side adjustment is inhaled into the cooling pressure of the cooling of refrigerant loop 9 with the cold-producing medium of compressor 37, carries out accessible running.
Fig. 2 is the side view of expression outdoor unit 12 outward appearances, and Fig. 3 is the vertical view that state is unloaded the top panel 12A of outdoor unit 12 in expression.Outdoor unit 12 is provided with following part, be in the air-conditioning system portion 6, be arranged on beyond the part on the indoor unit 11 air-conditioning system side constituent part ( idle call compressor 13A, 13B, accumulator 23, separator 10, heat source side heat exchanger 16, air blast 24, outside air-conditioner controller 26 etc.) and, in the cooling system portion 8, be arranged on the part cooling system side constituent part (compressor 37, separator 31, air accumulator 36, condenser 38, air blast 35, outside cooling controller 32 etc.) in addition on refrigerating box 3, household freezer 4 and the supercharger unit 22.
More particularly, as shown in Figure 3, outdoor unit 12 is, from the front, air blast 24 is set at the left side, the air-conditioning system side constituent part beyond the air blast 24 be set at this air blast 24 around, and, from the front, air blast 35 is set at the right side, the cooling system side constituent part beyond the air blast 35 be set at this air blast 35 around.The space of the face side between air blast 24 and air blast 35, idle call compressor 13A, 13B are set at the left side slightly of below, compressor 37 is set at the right side slightly of below, and, outside air-conditioner controller 26 is set at the left side, top, and outside cooling controller 32 is set at the right side, top.Promptly, on outdoor unit 12, the setting of being divided right and left of air-conditioning system side constituent part and cooling system side constituent part, by the setting of like this each system side constituent part being divided right and left, can easily carry out the assembling and the maintenance of air-conditioning system side and cooling system side, and, can shorten the piping length of air-conditioning system side and the piping length of cooling system side.
Below, describe with regard to the formation of supercharger unit 22.As shown in Figure 4, supercharger unit 22 has unit base 71, and this unit base 71 is provided with above-mentioned boosting with the formation machine of compressor 54, separator 45, cross valve 42 etc.Constitute on this unit base 71 peripheral part 73 crooked downwards around the steel plate, like this, one side keeps that each is constituted machine can be loaded in intensity on the unit base 71, and one side can make unit base 71 lightweights.
In addition, as shown in Figure 5, cover the edge part 75A boost with the panel 75 of formations machines such as compressor and abut against on the peripheral part 73 on the unit base 71, top panel (do not have and illustrate) is set on the top of these panels 75.And, between the peripheral part 73 of the edge part 75A of panel 75 and unit base 71, be provided with first seal 77.This first seal 77 is set at the whole edge part 75A of panel 75, prevents to drop between the peripheral part 73 of dew by above-mentioned panel 75 and unit base 71 on the unit base 71, flows out to the outside of supercharger unit 22.
But as mentioned above, unit base 71 is will to be bent to form downwards around the steel plate for lightweight, therefore, constitute machine if on this unit base 71, be provided with to boost with compressor 54 grades, as shown in Figure 6, since the weight of these machines, unit base 71 bendings.Because the bending of unit base 71 and producing under the situation of gap between the peripheral part 73 of unit base 71 and panel 75, even be provided with the state of first seal 77, dew also often flows out to the outside of supercharger unit 22 by this gap .
In the present embodiment, by outside first seal 77, at the upper periphery of unit base 71 second seal 79 is set, the dew that prevents to drop on the unit base 71 flows out to the outside of supercharger unit 22 by above-mentioned gap .Promptly, by second seal 79 being arranged on the upper periphery of unit base 71, even because the bending of unit base 71 and between the peripheral part 73 of unit base 71 and panel 75, producing under the situation of gap , surround upper periphery on the unit base 71 by second seal 79, the dew that prevents to drop on the unit base 71 flows out to the outside of supercharger unit 22.
This second seal 79 is formed by the sponge member with separated foam, utilizes second seal 79 to absorb the dew that drops on the unit base 71.Absorbed this dew is by boosting with the used heat evaporation of compressor 54.In addition, because second seal 79 is the structures with separated foam, therefore, by passing bubble, can not flowed out to the outside of supercharger unit 22 by the dew of second seal, 79 absorptions.
As shown in Figure 4, being positioned at the discharge outlet 83 of boosting being formed with on the unit base 71 with below the compressor 54.This discharge outlet 83 is to discharge to the outside of supercharger unit 22 for the dew that will drop on the unit base 71, and discharge pipe 85 is connected with this discharge outlet 83.As shown in Figure 6, unit base 71 is owing to bear the bending downwards of boosting with the weight of compressor 54, and dew is imported into crooked unit base 71, arrives discharge outlet 83, is discharged by the outside to supercharger unit 22 by this discharge outlet 83 and discharge pipe 85.In the present embodiment, be arranged near the centre of unit base 71 with compressor 54, increased the bending of unit base 71, easily dew is imported discharge outlet 83 by boosting.
According to present embodiment, by first seal 77 being arranged between the peripheral part 73 that boosts with the edge part 75A of the panel 75 of the formation machine of compressor 54 grades and unit base 71, and, top edge in this unit base 71 is provided with second seal 79, even because the bending of unit base 71 and between the peripheral part 73 of unit base 71 and panel 75, produce gap , only depend on first seal 77, under the inadequate situation of sealing between the peripheral part 73 of panel 75 and unit base 71, by surround the upper periphery of unit base 71 with second seal 79, the dew that prevents to drop on the unit base 71 flows out to the outside of supercharger unit 22.Like this, even supercharger unit 22 is arranged on the wall of shop indoor or outdoors such as convenience store, dew also can not flow out to the outside of supercharger unit 22, can get wet in the shop or splash the salesman dew and wait the state of affairs to prevent trouble before it happens on one's body.
In addition, in the present embodiment, owing to being positioned at the discharge outlet 83 of boosting being formed with on the unit base 71 with below the compressor 54, therefore, the dew that drops on the unit base 71 can be discharged by this discharge outlet 83 and discharge pipe 85, therefore, can prevent that dew from flowing out by the outside to supercharger unit 22 between the peripheral part 73 of above-mentioned panel 75 and unit base 71.
In addition, because second seal 79 is to be formed by the sponge member with separated foam, therefore, by the dew of these second seal, 79 absorptions by passing bubble, can prevent to pass second seal 79, and then can prevent that dew from flowing out to the outside of supercharger unit 22.And,, therefore can prevent to flow out to the outside of supercharger unit 22 because the used heat of being used compressor 54 by boosting by the dew of these second seal, 79 absorptions evaporates.
In addition, owing to unit base 71 is with crooked downwards formation around the steel plate, therefore, respectively constitute with compressor 54 grades under the state of the intensity that machine can load keeping to boost, can make unit base 71 lightweights, and then make supercharger unit 22 lightweights.
More than just be illustrated according to an embodiment of the invention, the present invention is not limited only to this.For example, in the present embodiment, just the present invention is used to be applicable to that the situation of the refrigeration system of convenience store etc. is illustrated, also can be widely applicable for the cooling of carrying out the equipment that is cooled beyond air-conditioning and refrigerating box 3 or the household freezer 4.And the pipe arrangement formation shown in the above-mentioned embodiment etc. is not limited only to this, and suitable change can be arranged in the scope of aim of the present invention.
Claims (4)
1. supercharger unit, this supercharger unit harvesting is used compressor in order to boost to through the refrigerant pressure of household freezer through the boosting of refrigerant pressure of refrigerating box, it is characterized in that, have: be provided with above-mentioned boosting with the unit base and the panel of compressor, this panel is that peripheral part, above-mentioned the boosting of covering that edge part nestles up this unit base used compressor, first seal is set between the peripheral part of this panel and unit base, and, second seal is set at the upper periphery of said units base.
2. supercharger unit as claimed in claim 1 is characterized in that, being positioned at the discharge outlet of boosting with below the compressor having on the said units base.
3. supercharger unit as claimed in claim 1 or 2 is characterized in that, above-mentioned second seal is to be formed by the sponge member with separated foam.
4. as each described supercharger unit of claim 1 to 3, it is characterized in that the said units base is to be bent to form around the steel plate downwards.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004021273A JP4454324B2 (en) | 2004-01-29 | 2004-01-29 | Booster unit |
JP021273/2004 | 2004-01-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1648557A true CN1648557A (en) | 2005-08-03 |
CN100408943C CN100408943C (en) | 2008-08-06 |
Family
ID=34879082
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100881814A Expired - Fee Related CN100408943C (en) | 2004-01-29 | 2004-10-14 | Supercharger unit |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP4454324B2 (en) |
CN (1) | CN100408943C (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2936806B1 (en) | 2008-10-08 | 2012-08-31 | Arkema France | REFRIGERANT FLUID |
JP5421614B2 (en) * | 2009-02-23 | 2014-02-19 | ホシザキ電機株式会社 | Insulation box opening seal structure |
JP6544517B2 (en) * | 2015-07-08 | 2019-07-17 | パナソニックIpマネジメント株式会社 | Heat generation unit |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB539401A (en) * | 1939-04-22 | 1941-09-09 | British Thomson Houston Co Ltd | Improvements in and relating to refrigerating apparatus |
US3858409A (en) * | 1973-09-28 | 1975-01-07 | Whirlpool Co | Refrigerator construction |
GB2129113A (en) * | 1982-10-16 | 1984-05-10 | Williams Refrigeration Limited | Refrigeration assembly |
DE4438103A1 (en) * | 1994-10-25 | 1996-05-02 | Bosch Siemens Hausgeraete | Freezer |
JP3626829B2 (en) * | 1997-05-09 | 2005-03-09 | 松下冷機株式会社 | Refrigerator drainage equipment |
JP2001330363A (en) * | 2000-05-19 | 2001-11-30 | Hoshizaki Electric Co Ltd | Drain structure for refrigerator |
JP3835127B2 (en) * | 2000-05-31 | 2006-10-18 | 富士電機リテイルシステムズ株式会社 | Vending machine cabinet |
-
2004
- 2004-01-29 JP JP2004021273A patent/JP4454324B2/en not_active Expired - Lifetime
- 2004-10-14 CN CNB2004100881814A patent/CN100408943C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005214493A (en) | 2005-08-11 |
CN100408943C (en) | 2008-08-06 |
JP4454324B2 (en) | 2010-04-21 |
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