CN210772989U - Integral refrigerating unit for vending machine - Google Patents
Integral refrigerating unit for vending machine Download PDFInfo
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- CN210772989U CN210772989U CN201921509426.4U CN201921509426U CN210772989U CN 210772989 U CN210772989 U CN 210772989U CN 201921509426 U CN201921509426 U CN 201921509426U CN 210772989 U CN210772989 U CN 210772989U
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- evaporator
- condenser
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Abstract
An integral refrigerating unit capable of being used for an automatic vending machine comprises a bottom plate, a compressor, a condenser and an evaporator assembly, wherein the compressor, the condenser and the evaporator assembly are installed on the bottom plate, the evaporator assembly comprises a heat preservation box with an opening at the top and an evaporator located in the heat preservation box, a heat preservation partition plate is arranged above the evaporator, the heat preservation box is divided into an air outlet cavity and a return air cavity by the evaporator and the heat preservation partition plate, an air outlet and a return air inlet are respectively formed above the air outlet cavity and the return air cavity, an evaporator fan is installed on the side face of the evaporator, and the compressor, the condenser and the evaporator are sequentially connected through pipelines. The utility model discloses a all fix evaporator assembly, compressor and condenser on same bottom plate, reduce refrigerating unit's overall height, increased vending machine's the space of can selling.
Description
Technical Field
The utility model belongs to the field of machinery, a vending machine part is related to, concretely relates to whole refrigerating unit that can be used to vending machine.
Background
The automatic vending machine is an unmanned on duty's sales terminal, and along with the development of internet and mobile communication technique, the automatic vending machine no longer relies on coin and purchases commodity, and can be through sweeping mode payment such as sign indicating number, and the automatic vending machine is selling giving birth to bright food, and when article such as beverage, need refrigerate the save to commodity, need possess the refrigerating system of circulation refrigeration function.
In the prior art, the refrigeration system of vending machines generally comprises an evaporator, a condenser, a compressor, a throttling element and a connecting line. In the refrigeration system in the prior art, all parts are mainly installed in a box body of the vending machine in a dispersed mode and then connected through a connecting pipeline. Above-mentioned refrigerating system produces refrigeration function in the automatic vending machine box, accomplishes the cold-stored cooling of selling food.
Because above-mentioned refrigerating system part is too dispersed, and the space accounts for than too high, lacks the wholeness, and the installation is arranged loaded down with trivial details, is unfavorable for the flexible installation in the automatic vending machine box and arranges and extravagant automatic vending machine can sell the space.
SUMMERY OF THE UTILITY MODEL
For overcoming the technical defect that prior art exists, the utility model discloses a whole refrigerating unit that can be used to automatic vending machine.
Can be used to vending machine's whole refrigerating unit, include the bottom plate and install the compressor on the bottom plate, condenser and evaporimeter subassembly, evaporimeter subassembly includes open-top's heat preservation box and is located the evaporimeter in the heat preservation box, the evaporimeter top has the heat preservation baffle, evaporimeter and heat preservation baffle will the heat preservation box is split into air-out chamber and return air chamber, air-out chamber and return air chamber top have air outlet and return air inlet respectively, the evaporimeter fan is installed to the evaporimeter side, compressor, condenser and evaporimeter loop through the tube coupling.
Preferably, the heat preservation box is fixed above the bottom plate through at least four support legs.
Preferably, the evaporator fan is fixedly installed on the fan fixing support.
Preferably, the bottom of the heat preservation box is provided with a water outlet, the bottom plate is provided with a water receiving tray located below the water outlet, a water absorbing material is installed in the water receiving tray, an evaporation pipe is further arranged above the water receiving tray, the evaporation pipe is a high-temperature circulating pipeline connected between the compressor and the condenser, and the water absorbing material is placed between the evaporation pipe and the water receiving tray.
Preferably, the evaporator assembly further comprises a sealing strip embedded in the top opening edge of the heat preservation box.
Preferably, the outer wall of the heat preservation box consists of a heat preservation box outer shell and a heat preservation box inner shell, and polyurethane foaming materials are filled in the heat preservation box outer shell and the heat preservation box inner shell.
Preferably, the number of the evaporator fans is two, and the two evaporator fans are arranged along the horizontal direction of the heat-insulation partition plate.
Preferably, the condenser fan is arranged opposite to the condenser, the compressor is arranged adjacent to the condenser, and the condenser fan is positioned between the condenser and the compressor.
Preferably, the heating device also comprises a heating pipe arranged on the evaporator and a heating pipe control device.
Further, still include the controller, the controller with compressor and heating pipe controlling means control connection, the controller can realize at least the following function: and in a time period T after the compressor is stopped, the heating pipe is opened through the heating pipe control device, and the heating pipe is closed after the time period T is exceeded.
Adopt the whole refrigerating unit that can be used to automatic vending machine, have following superiority:
the evaporator assembly, the compressor and the condenser are fixed on the same bottom plate, so that the overall height of the refrigerating unit is reduced, and the selling space of the vending machine is enlarged.
All fix evaporator assembly, compressor and condenser on same bottom plate, form the integral refrigerating unit of one from this, only need external power supply can, to current vending machine that does not have refrigerating system, as long as to store up the storehouse reform transform with it with air outlet and return air inlet seal be connected can, more do benefit to the utilization the utility model discloses reequip the upgrading.
The integral device can be arranged at the bottom of the vending machine, and is more convenient to overhaul and replace equipment compared with the traditional distributed arrangement.
Drawings
Fig. 1 is a schematic view of an embodiment of an integral refrigeration unit according to the present invention;
fig. 2 is a schematic view of another embodiment of the integrated refrigeration unit according to the present invention;
fig. 3 is a schematic view of the working principle topology of the present invention, wherein solid arrows in fig. 3 indicate the direction of the heat transfer medium, and dashed arrows indicate possible air flow directions;
the reference numbers in the figure are 1-bottom plate, 2-compressor, 3-condenser, 4-heat preservation box, 5-evaporator fan, 6-evaporator, 7-heating pipe, 8-air outlet cavity, 9-air return cavity, 10-condenser fan, 11-heat preservation clapboard, 12-sealing strip, 13-heat preservation box outer shell, 14-heat preservation box inner shell, 15-water receiving disc, 16-evaporation pipe, 17-water absorbing material, 18-support leg and 19-fan fixing bracket.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying drawings.
Can be used to automatic vending machine's whole refrigerating unit, include bottom plate 1 and install compressor 2 on bottom plate 1, condenser 3 and evaporimeter subassembly A, evaporimeter subassembly A includes open-top's heat preservation box 4 and is located the evaporimeter 6 in the heat preservation box, the evaporimeter top has heat preservation baffle 11, evaporimeter 6 and heat preservation baffle 11 will air-out chamber 8 and return air chamber 9 are split into to the heat preservation box, air-out chamber and return air chamber top have air outlet and return air inlet respectively, the evaporimeter fan is installed to the evaporimeter side, compressor 2, condenser 3 and evaporimeter 6 loop through the tube coupling.
The base plate is used to carry the compressor, condenser and evaporator assembly, and electrical lines may be routed to the base plate to connect the compressor and power source, and the evaporator is typically formed by an array of fins with gaps therebetween. The condenser is a heat exchange device, and in the embodiment shown in fig. 1, the heat preservation box provided with the evaporator is placed on the left half part of the bottom plate, and the condenser and the compressor are arranged on the right half part of the bottom plate.
When the air-conditioner is installed, the top opening above the heat preservation box is divided into an air outlet and an air return opening by a partition plate and is connected with a cargo hold of a vending machine to form an air flow channel. The utility model discloses principle when the operation is shown in fig. 3, the compressor starts to compress into high temperature high pressure gaseous state with refrigerant (like freon), carry the condenser through the pipeline, the refrigerant heat dissipation through the condenser forms the highly compressed gas-liquid mixture refrigerant of high temperature, form the liquid refrigerant of low temperature low pressure and enter the evaporimeter behind drier-filter and the capillary through flowing through, the refrigerant that gets into the evaporimeter absorbs the heat of commodity in the automatic vending machine and forms the gas refrigerant of low temperature low pressure after cooling for commodity, the gas refrigerant of low temperature low pressure flows back to the compressor through the pipeline and continues next circulation.
When the refrigerant passes through the evaporator, the temperature of the evaporator is continuously reduced, the fan of the evaporator blows air through the evaporator to enable cold air to enter the goods warehouse of the vending machine from the air outlet, hot air in the goods warehouse of the vending machine flows back to the air return warehouse of the heat preservation box through the air return opening to form air flow circulation and continuously send cold energy into the goods warehouse of the vending machine, and the air flow direction can be clockwise as shown in figure 3. Because the condenser, the evaporator and the compressor are all closely arranged on the bottom plate 1, the lengths of the connecting pipelines can be reduced, and the refrigeration efficiency is improved.
The evaporator fan is typically mounted on the fan mounting bracket 19 with the fan blades aligned with the evaporator fin array slots. The sealing strip made of rubber or other materials can be embedded into the edge of the top opening of the heat preservation box of the evaporator assembly, and the sealing effect of the top opening of the heat preservation box is improved. The number of the evaporator fans is usually two, and the two evaporator fans 5 are arranged along the horizontal direction of the heat preservation partition plate.
In the specific embodiment shown in fig. 2, the outer wall of the thermal insulation box is composed of an outer thermal insulation box shell and an inner thermal insulation box shell, the outer thermal insulation box shell 13 and the inner thermal insulation box shell 14 can be made of materials with higher strength, and polyurethane foam materials are filled in the outer thermal insulation box shell and the inner thermal insulation box shell to serve as thermal insulation fillers. The polyurethane foam material is a novel synthetic material with heat preservation and waterproof functions, has low thermal conductivity coefficient, only 0.022-0.033W/(m x k), and is the lowest thermal conductivity coefficient in almost all the heat preservation materials at present.
The thermal insulation box is generally fixed above the bottom plate through four support legs 18, so that a certain space is formed between the bottom of the thermal insulation box and the bottom plate; because the evaporator in the heat preservation box is in the environment directly communicated with the goods warehouse of the vending machine, the evaporator inevitably generates condensed water in the continuous heat exchange process, and if the condensed water is stored in the heat preservation box, the humidity of the goods warehouse is continuously increased, and frost condensation of the evaporator is increased; a certain space is formed at the bottom of the heat preservation box, which is beneficial to installing a dewatering facility at the bottom of the heat preservation box.
As shown in fig. 2, a specific embodiment of the water removal facility installed at the bottom of the heat preservation box is shown, a water outlet is provided at the bottom of the heat preservation box, a water pan located below the water outlet is installed on the bottom plate, a water absorbing material 17 (such as absorbent cotton) is installed in the water pan, an evaporation pipe is further arranged below the water pan, the evaporation pipe 16 is a part of a high-temperature circulation pipeline connected between a compressor and a condenser, and the water absorbing material is placed between the evaporation pipe and the water pan.
Condensed water falls into the bottom of the water receiving tray from the water outlet, the water absorbing cotton absorbs water from the bottom of the water receiving tray to the upper part close to the evaporation pipe, the evaporation pipe is a high-temperature circulating pipeline connected between the compressor and the condenser, the evaporation pipe is lapped or wrapped above the water absorbing cotton, the water absorbed by the water absorbing cotton is heated and evaporated by utilizing a high-temperature medium in the high-temperature circulating pipeline naturally, and evaporated water vapor is discharged from the side surface of a space between the heat preservation box and the bottom plate, so that most of the condensed water is discharged; part of the high-temperature circulating pipeline as the evaporation pipe is usually arranged as a coil pipe, so that the evaporation efficiency is improved.
In the specific embodiment shown in fig. 1, the condenser fan is disposed opposite to the condenser, the compressor is disposed adjacent to the condenser, the condenser is used for cooling and dissipating heat after expanding a high-temperature and high-pressure medium at the condenser, and the condenser fan is disposed between the condenser and the compressor, so that on one hand, the overall volume is reduced, and since the compressor generates heat during cold compression, the compressor can be cooled by circulating air through the condenser fan.
The operation of a typical refrigeration system is: detect storing storehouse after refrigeration begins, promptly the utility model provides a temperature in vending machine storehouse reaches and closes the compressor promptly after setting for the temperature lower limit (like 4 degrees centigrade) in order to practice thrift the energy consumption, and discovery storing storehouse temperature risees to the compressor of restarting after the temperature upper limit (like 10 degrees centigrade) and refrigerates. In this kind of cold and hot switching in-process, evaporimeter department is because a large amount of gas circulation, water vapor condenses into water and frosts at evaporimeter department easily in cold and hot alternation, frosting can lead to the clearance between the evaporimeter fin to be blockked up, cause the air current between air outlet and the return air inlet not smooth, influence storehouse refrigeration efficiency, for solving this problem, can set up heating pipe and heating pipe controlling means on the evaporimeter, the controller is opening the heating pipe for a period through heating pipe controlling means is automatic after receiving compressor shut down signal, avoid the comdenstion water to frost. The controller is in control connection with the compressor and the heating pipe control device, the controller can start the heating pipe through the heating pipe control device within a time period T after the compressor is stopped, and the heating pipe is closed after the time period T is exceeded. The time period T is a preset time length obtained by experience or calculation, for example, 10 seconds or 1 minute, and the frost condensation phenomenon can be suppressed.
Adopt the whole refrigerating unit that can be used to automatic vending machine, have following superiority:
the evaporator assembly, the compressor and the condenser are fixed on the same bottom plate, so that the overall height of the refrigerating unit is reduced, and the selling space of the vending machine is enlarged.
All fix evaporator assembly, compressor and condenser on same bottom plate, form the integral refrigerating unit of one from this, only need external power supply can, to current vending machine that does not have refrigerating system, as long as to store up the storehouse reform transform with it with air outlet and return air inlet seal be connected can, more do benefit to the utilization the utility model discloses reequip the upgrading.
The integral device can be arranged at the bottom of the vending machine, and is more convenient to overhaul and replace equipment compared with the traditional distributed arrangement.
In the foregoing, the preferred embodiments of the present invention, if not obviously contradictory or based on a certain preferred embodiment, can be combined and used by any superposition, the specific parameters in the embodiments and examples are only for clearly expressing the utility model verification process of the utility model, and are not used for limiting the patent protection scope of the present invention, the patent protection scope of the present invention is still based on the claims, and all the equivalent structural changes made by the contents of the specification and the drawings of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The integral refrigerating unit capable of being used for the vending machine is characterized by comprising a bottom plate (1), a compressor (2) installed on the bottom plate (1), a condenser (3) and an evaporator assembly (A), wherein the evaporator assembly (A) comprises a heat preservation box (4) with an opening at the top and an evaporator (6) located in the heat preservation box (4), a heat preservation partition plate (11) is arranged above the evaporator (6), the heat preservation box (4) is divided into an air outlet cavity (8) and an air return cavity (9) by the evaporator (6) and the heat preservation partition plate (11), an air outlet and an air return opening are respectively formed above the air outlet cavity (8) and the air return cavity (9), an evaporator fan (5) is installed on the side face of the evaporator (6), and the compressor (2), the condenser (3) and the evaporator (6) are sequentially connected through pipelines.
2. The integrated refrigeration unit according to claim 1, characterized in that said thermal box (4) is fixed above said floor (1) by at least four legs (18).
3. The integrated refrigeration unit as set forth in claim 1 wherein said evaporator fan (5) is mounted on a fan mounting bracket (19).
4. The integral refrigerating unit according to claim 1 or 2, wherein a water outlet is arranged at the bottom of the heat preservation box (4), a water receiving tray (15) positioned below the water outlet is installed on the bottom plate (1), a water absorbing material (17) is installed in the water receiving tray (15), an evaporation pipe (16) is further arranged above the water receiving tray (15), the evaporation pipe (16) is a high-temperature circulating pipeline connected between the compressor (2) and the condenser (3), and the water absorbing material (17) is placed between the evaporation pipe (16) and the water receiving tray (15).
5. The integrated refrigeration unit according to claim 1, wherein said evaporator assembly (a) further comprises a sealing strip (12), said sealing strip (12) being embedded in the top opening edge of said thermal box (4).
6. The integrated refrigerating unit according to claim 1, wherein the outer wall of the heat-insulating box (4) is composed of an outer heat-insulating box shell (13) and an inner heat-insulating box shell (14), and polyurethane foam is filled in the outer heat-insulating box shell (13) and the inner heat-insulating box shell (14).
7. The integrated refrigeration unit according to claim 1, characterized in that said evaporator fans (5) are two in number, two of said evaporator fans (5) being arranged in the horizontal direction of said thermal insulating partition (11).
8. The integrated refrigeration unit according to claim 1, further comprising a condenser fan (10) disposed opposite said condenser (3), said compressor (2) being disposed adjacent said condenser (3), said condenser fan (10) being located between said condenser (3) and said compressor (2).
9. The integrated refrigeration unit according to claim 1, further comprising a heater tube (7) provided on the evaporator (6) and a heater tube control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509426.4U CN210772989U (en) | 2019-09-11 | 2019-09-11 | Integral refrigerating unit for vending machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509426.4U CN210772989U (en) | 2019-09-11 | 2019-09-11 | Integral refrigerating unit for vending machine |
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| Publication Number | Publication Date |
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| CN210772989U true CN210772989U (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921509426.4U Active CN210772989U (en) | 2019-09-11 | 2019-09-11 | Integral refrigerating unit for vending machine |
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| CN (1) | CN210772989U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470093A (en) * | 2019-09-11 | 2019-11-19 | 四川尖瑞科技有限公司 | A kind of integrally cooling unit can be used for automatic vending machine |
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2019
- 2019-09-11 CN CN201921509426.4U patent/CN210772989U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470093A (en) * | 2019-09-11 | 2019-11-19 | 四川尖瑞科技有限公司 | A kind of integrally cooling unit can be used for automatic vending machine |
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