CN102479406A - Automatic vending machine - Google Patents
Automatic vending machine Download PDFInfo
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- CN102479406A CN102479406A CN2011100563934A CN201110056393A CN102479406A CN 102479406 A CN102479406 A CN 102479406A CN 2011100563934 A CN2011100563934 A CN 2011100563934A CN 201110056393 A CN201110056393 A CN 201110056393A CN 102479406 A CN102479406 A CN 102479406A
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- storehouse
- open
- vending machine
- evaporator
- automatic vending
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Abstract
Provided is an automatic vending machine that switches a plurality of operating modes and carries out cooling/heating on several warehouses inside. The warehouse comprises an in-house condenser (46) and a second evaporator (47). An out-house condenser (40) and an out-house evaporator (41) are arranged outside the warehouse. Moreover, a solenoid valve (50) is arranged upon a bypass pipe (54) connecting the in-house condenser (46) and a low-pressure side pipe. By respectively arranging a condenser and an evaporator both inside and outside the warehouse, the solenoid valve upon the outlet piping of the evaporator can be removed. Moreover, the efficiency drop resulting from pressure loss can be avoided. Also, the detained refrigerant, when the in-house condenser is out of use, can be recycled. The decrease of the cooling capacity can be prevented.
Description
Technical field
The present invention relates to commodity such as can drink are being heated or cooling off in the automatic vending machine of selling, have and use refrigeration cycle to cool off the automatic vending machine of the cooling system of commodity.
Background technology
In recent years; Requirement to automatic vending machine reduction power consumption day by day improves, and cuts down means as power consumption, and motion has to utilize passes through to cool off the used heat of generation or the heat of outer gas; The bunker automatic vending machine (for example, with reference to patent documentation 1) of heating to the keeping commodity.
Below, with reference to description of drawings automatic vending machine in the past.
Fig. 5 shows the refrigerant loop figure in the automatic vending machine in the past, the control flow chart when Fig. 6 shows the operation mode switching.
Automatic vending machine in the past has: the commodity storehouse 1 that is used to take in commodity; And the Machine Room (not shown) that is configured in 1 bottom, commodity storehouse.Be divided into three parts in the commodity storehouse 1, have: to the commodity of taking in cool off or heat the 1st the cooling hot room 2; To the commodity of taking in cool off or heat the 2nd the cooling hot room 3; The commodity of taking in are cooled off, as the cooling dedicated chamber 4 in the 1st commodity storehouse.And, in each storehouse, commodity accomodation frame (not shown) being arranged from upper suspension, commodity are incorporated in the inside of this accepting rack.
And automatic vending machine in the past has: compressor 5; Storehouse outer heat-exchanger 6; The expansion valve 7 that the cold-producing medium that passes through is reduced pressure; Heat exchanger 8,9 in the storehouse; Evaporator 10; Solenoid valve 11～19 as the open and close valve that carries out on-off action; The non-return valve 20～25 that cold-producing medium is only passed through along the direction of arrow; Be arranged near the storehouse external fan 26 the storehouse outer heat-exchanger 6; Be arranged near the storehouse internal fan 27～29 of heat exchanger in each commodity storehouse; And the well heater 30,31 of heating.
The action of the automatic vending machine in the past that explanation is provided with as stated according to Fig. 6.In addition, to only the 1st cooling hot room 2 being heated, the situation that other two Room are cooled off describes.
Automatic vending machine in the past is the switching through solenoid valve 11～19; The cooling of when the switching execution is heated to the 1st cooling hot room 2 the 2nd cooling hot room 3, cooling dedicated chamber 4 being cooled off is heated, and operation mode (turn round: C-C-H by three Room; Two Room running: C-H) with the operation mode of heating of heating that only carries out the 1st cooling hot room 2 (Room running: H); And cooling operation mode (the two Room running: C-C of only carrying out the cooling of the 2nd cooling hot room 3, cooling dedicated chamber 4; One Room running: C) (C representes cooling, and H representes to heat).
, in Fig. 6, in each commodity storehouse, preferential chamber is set here, and according to the state of temperature of heating starting/stop (ON/OFF) temperature, preferential chamber/non-preferential chamber, the control of switching operation mode.Thus, can irrespectively carry out the running under the best operation mode all the time, can contribute energy-conservation with the cooling load/load of heating.
[patent documentation 1] TOHKEMY 2006-11604 communique
But; In above-mentioned structure in the past; Because heat exchanger, storehouse outer heat-exchanger all become the specification that replaces the effect of realization condenser or evaporator with a heat exchanger in the storehouse; Therefore need heat exchanger outlet be branched into the pipe arrangement that is connected with expansion valve and suck the pipe arrangement that pipe arrangement is connected with compressor, must with pipe arrangement that compressor suction pipe arrangement is connected on the solenoid valve that opens and closes of setting.Though under the situation that each heat exchanger plays a role as evaporator, open solenoid valve, solenoid valve inner usually than around pipe arrangement narrow, can produce cold-producing medium through the time the pressure loss, become the reason of compressor efficiency decline.And when enlarging solenoid valve inside, then existence needs to strengthen the power of the coil when opening and closing, and follows the problem of the power consumption when this has increased coil electricity.
And for condenser and evaporator, best specification is different; When heat exchanger becomes the optimum specifications as condenser, when using, can worry as the scarce capacity of heat exchanger and the adverse current of the cold-producing medium that causes as evaporator; And when the optimum specifications that becomes as evaporator; When using as condenser, have also that condensing temperature fails to reach target temperature, the ability drop of heating, can not carry out the problem of the running under the optimum specifications corresponding with each running.
Summary of the invention
The present invention be for solve above-mentioned in the past problem and propose, its purpose is, cools off in the system that heats switching various operation modes, implements high efficiency running, reduces power consumption.
In order to solve above-mentioned problem in the past, automatic vending machine of the present invention has a plurality of commodities storehouse, it is characterized in that, above-mentioned automatic vending machine has: the 1st evaporator, and it is arranged on as in one in the above-mentioned commodity storehouse the 1st commodity storehouse; The 2nd evaporator and storehouse inner condenser, they are arranged on as in another the 2nd commodity storehouse in the above-mentioned commodity storehouse; Evaporator, stream switch unit and expansion mechanism outside compressor, storehouse external condenser, the storehouse, they are arranged on the outside in above-mentioned commodity storehouse; Shunt valve, it connects above-mentioned storehouse inner condenser and low-pressure side pipe arrangement; And open and close valve, it opens and closes above-mentioned shunt valve.
Therefore thus, there is no need the heat exchanger that is located at the 2nd commodity storehouse is switched to condenser/evaporator, can raise the efficiency through the solenoid valve that abolishment is arranged on the low-pressure side pipe arrangement.And, can connect storehouse inner condenser and the low-pressure side pipe arrangement that is not used with shunt valve, and, can when not using, reclaim the cold-producing medium that is detained on shunt valve according to operation mode through open and close valve is set, can guarantee cooling power.
In automatic vending machine of the present invention; Inside and outside condenser and the evaporator of being provided with respectively in the commodity storehouse; And with shunt valve link library inner condenser and low-pressure side pipe arrangement, and the open and close valve that shunt valve is opened and closed is set, can abolish the solenoid valve on the low-pressure side pipe arrangement.Thus, when can realize cooling effectiveness and heating the raising of efficient, the cold-producing medium when preventing not use the storehouse inner condenser is detained, and can prevent that cooling power is not enough.
The 1st invention provides a kind of automatic vending machine, and it has a plurality of commodities storehouse, and above-mentioned automatic vending machine has: the 1st evaporator, and it is arranged on the 1st commodity storehouse as one of above-mentioned commodity storehouse; The 2nd evaporator and storehouse inner condenser, they are arranged on the 2nd commodity storehouse as another commodity storehouse in the above-mentioned commodity storehouse; Evaporator, stream switch unit and expansion mechanism outside compressor, storehouse external condenser, the storehouse, they are arranged on the outside in above-mentioned commodity storehouse; Shunt valve, it connects above-mentioned storehouse inner condenser and low-pressure side pipe arrangement; And open and close valve, it opens and closes above-mentioned shunt valve, and above-mentioned automatic vending machine realizes that the efficient of compressor improves.And,, can prevent the decline of cooling power through inner condenser reclaims cold-producing medium from the storehouse.
The 2nd invention is in the 1st invention, and when cold-producing medium did not flow to above-mentioned storehouse inner condenser, open above-mentioned open and close valve through when not using above-mentioned storehouse inner condenser, reclaiming the cold-producing medium that is detained, can prevent the decline of cooling power.
The 3rd invention is in the 1st or the 2nd invention, in the stopping of above-mentioned compressor, makes above-mentioned open and close valve inaccessible above-mentioned open and close valve after the open stipulated time, stockpiles through making superfluous cold-producing medium, can prevent the reliability decrease of the compressor that adverse current causes.
The 4th invention is in any invention of the 1st to the 3rd invention; Storehouse temperature in above-mentioned the 2nd commodity storehouse is higher than under the situation of set point of temperature; All the time open above-mentioned open and close valve, thus can reduce need big refrigerating capacity initially fall (pull down) time maybe will set and switch to falling the time when cooling off from heating.
Description of drawings
Fig. 1 is the refrigerant loop figure of the automatic vending machine of embodiment 1 of the present invention.
Fig. 2 is the refrigerant loop figure in cooling when running of the automatic vending machine of this embodiment.
Fig. 3 is the heat refrigerant loop figure in when running of the cooling of the automatic vending machine of this embodiment.
Fig. 4 is the refrigerant loop figure in when running of heating of the automatic vending machine of this embodiment.
Fig. 5 is the refrigerant loop figure of automatic vending machine in the past.
Fig. 6 is the process flow diagram of the running switching controls of automatic vending machine in the past.
Label declaration:
2: the 1 cooling hot rooms (the 2nd commodity storehouse)
3: the 2 cooling hot rooms
4: cooling dedicated chamber (the 1st commodity storehouse)
5: compressor 40: the storehouse external condenser
41: evaporator 46 outside the storehouse: the storehouse inner condenser
47: evaporator in the storehouse (the 2nd evaporator)
48: resistance gauge 49: four-way switching valve
50: solenoid valve (open and close valve) 51,52: solenoid valve
54: shunt valve
Embodiment
Below, with reference to description of drawings embodiment of the present invention, and for identical in the past structure, mark identical label and explain.In addition, the present invention is not limited to this embodiment.
(embodiment 1)
Fig. 1 is the refrigerant loop figure of the automatic vending machine of embodiment 1 of the present invention; Fig. 2 is the refrigerant loop figure in cooling when running of the automatic vending machine of this embodiment; Fig. 3 is the heat refrigerant loop figure in when running of the cooling of the automatic vending machine of this embodiment, and Fig. 4 is refrigerant loop figure during running of heating of the automatic vending machine of this embodiment.
In Fig. 1, the automatic vending machine of this embodiment 1 has: the commodity storehouse 1 that is used to take in commodity; And the Machine Room (not shown) that is configured in 1 bottom, commodity storehouse.Commodity storehouse 1 is divided into three parts, has: to the commodity of taking in cool off or heat, as the 2nd commodity storehouse the 1st the cooling hot room 2; To the commodity of taking in cool off or heat the 2nd the cooling hot room 3; The commodity of taking in are cooled off, as the cooling dedicated chamber 4 in the 1st commodity storehouse.And, in each storehouse, commodity accomodation frame (not shown) being arranged from upper suspension, it is inner that commodity are incorporated in this accepting rack.
And this automatic vending machine has: compressor 5; Storehouse external condenser 40; Evaporator 41 outside the storehouse; Switch the four-way valve 42 of the stream of cold-producing medium; The resistance gauge 43,44,45,48,53 that the cold-producing medium that passes through is reduced pressure; Be located at the storehouse inner condenser 46 of cooling hot room 2; Evaporator 9,10 in the storehouse; The 2nd evaporator 47 (evaporator in the storehouse) as the 2nd evaporator that is located at cooling hot room 2; Can carry out the four-way switching valve 49 of the stream switching of cold-producing medium; Shunt valve 54; Solenoid valve 50 as the open and close valve that can open and close shunt valve; Other solenoid valves 51,52; The electric heater 30,31 that when heating, uses; Storehouse external condenser 40; Be located near the storehouse external fan 26 the evaporator 41 outside the storehouse; And be located at the storehouse internal fan 27,28,29 in each storehouse.
Here, storehouse inner condenser 46 and the 2nd evaporator 47 form the one-piece type heat exchanger of common fins.
And evaporator 41 also forms the one-piece type heat exchanger of common fins outside storehouse external condenser 40 and the storehouse, and the position of the weather side when being positioned at 26 runnings of storehouse external fan is formed with the pipe arrangement of storehouse external condenser 40.
Here, the one-piece type heat exchanger of evaporator 41 is connected outside the discharge pipe arrangement of four-way switching valve 49 and compressor 5 and storehouse inner condenser 46, storehouse external condenser 40 and the storehouse.
And, with the mode connecting pipings of the inlet arranged in series of evaporator 10 in the outlet of evaporator in the storehouse 9 and the storehouse.
In addition, resistance gauge 48 is arranged on the pipe arrangement between storehouse inner condenser 46 and the storehouse external condenser 40, and is set to make in the storehouse and has difference between the condensing temperature and storehouse condensed exterior temperature.
And, at link library inner condenser 46 and be communicated on the shunt valve 54 between the low-pressure side pipe arrangement of compressor 5, be provided with solenoid valve 50 as open and close valve.
Below, the action of the automatic vending machine in the embodiment of the present invention 1 that constitutes as stated is described.
At first, under the situation of the cooling running that full chamber is cooled off, become running shown in Figure 2.
Under the situation of cooling running, make four-way switching valve 49 actions so that the discharge pipe arrangement of compressor 5 and storehouse external condenser 40 are communicated with, and make the inlet outlet of storehouse inner condenser 46 be communicated with open solenoid valve 51, inaccessible solenoid valve 52, and starting compressor 5.
The cold-producing medium of discharging from compressor 5 passes through four-way switching valve 49, solenoid valve 51; After 40 condensations of storehouse external condenser; After reducing pressure by resistance gauge 43,44,45 through four-way valve 42, evaporation gasification and cooling off in to the storehouse in the 2nd evaporator 47, and after be back to compressor 5.
Then, the 1st cooling hot room 2 is being heated, the 2nd cooling hot room 3, the cooling of cooling off of cooling dedicated chamber 4 are being heated under the situation of running, becoming running as shown in Figure 3.
Under situation about turning round is heated in cooling; Make four-way switching valve 49 actions so that the inlet of the discharge pipe arrangement of compressor 5 and storehouse inner condenser 46 is communicated with, and the outlet of storehouse inner condenser 46 and storehouse external condenser 40 are communicated with, and open solenoid valve 51; Inaccessible solenoid valve 52, and starting compressor 5.
The cold-producing medium of discharging from compressor 5 flows to storehouse inner condenser 46 through four-way switching valve 49 after, and through storehouse inner condenser 46 by partial condensation, dispel the heat through peripherad air this moment and to heating in the storehouse.The cold-producing medium that comes out from storehouse inner condenser 46 is by after resistance gauge 48 decompressions; Through four-way switching valve 49, solenoid valve 51; Further carry out condensation by storehouse external condenser 40; And after through four-way valve 42 by resistance gauge 44,45 decompression after, through 9, the 10 evaporation gasifications of evaporator in the storehouse, cool off ambient air thus.The back flow of refrigerant of evaporation gasification is to compressor 5.
Then, under the situation of the running of heating of only the 1st cooling hot room 2 being heated, become running as shown in Figure 4.
Under the situation of running of heating; Make four-way switching valve 49 actions so that the inlet of the discharge pipe arrangement of compressor 5 and storehouse inner condenser 46 is communicated with; And make that evaporator 41 is communicated with outside outlet and the storehouse of storehouse inner condenser 46, and inaccessible solenoid valve 51, open solenoid valve 52 and starting compressor 5.
The cold-producing medium of discharging from compressor 5 is through after the four-way switching valve 49; Through storehouse inner condenser 46 condensations heat radiations and to heating in the storehouse; Afterwards by after resistance gauge 48 decompression, through four-way switching valve 49, solenoid valve 52, and after further reduce pressure by resistance gauge 53 after; Evaporator 41 evaporation gasifications outside the storehouse, and be back to compressor 5.
As stated; Under the situation that the 1st cooling hot room 2 is heated; Through opening and closing solenoid valve 51, solenoid valve 52; Thereby can with the load condition of the 2nd cooling hot room 3, cooling dedicated chamber 4 irrespectively, the 1st cooling hot room 2 is heated, and heats to turn round also can spend the time and realize the reduction of power consumption through the low outer temperature that descends in the load of cooling chamber.
And then, through on the pipe arrangement between storehouse inner condenser 46 and the storehouse external condenser 40, resistance gauge 48 being set, there is difference between the condensing temperature and storehouse condensed exterior temperature thereby can make in the storehouse.Thus, owing to reduce refrigerant density, therefore can cut down refrigerant amount.Through cutting down refrigerant amount; Can reduce the cooling of using two condensers heat running, with the cooling running of using a condenser in the best refrigerant amount difference of generation, the risk in the time of also can reducing the leakage when having used combustible refrigerant.
In addition, can use kapillary, through using kapillary that kapillary is also used as to connect the pipe arrangement of resistance gauge 48 and storehouse inner condenser 46, four-way switching valve 49, the amount that therefore can further cut down cold-producing medium for resistance gauge 48.
In addition; Through in the storehouse, outside the storehouse, disposing condenser and evaporator respectively; Thereby compare with the situation that each heat exchanger of one is separated use as condenser/evaporator; The solenoid valve that on the pipe arrangement that connects evaporator outlet and compressor suction pipe arrangement, is provided with can be abolished, and the decrease in efficiency that the pressure loss causes can be prevented.And,, therefore can turn round more efficiently owing to can make condenser and evaporator become optimum specifications respectively.
In addition; In cold-producing medium does not turn round through the cooling in the storehouse inner condenser 46; When cold-producing medium during in four-way switching valve 49 internal leakages, can make cold-producing medium and/or refrigerator oil be trapped in storehouse inner condenser 46, can become the reason of the fault that produces cooling power deficiency and/or compressor etc.; But because at link library inner condenser 46 and be communicated on the shunt valve 54 between the low-pressure side pipe arrangement of compressor 5 solenoid valve 50 is set; Therefore through open solenoid valve 50, can cold-producing medium that be trapped in storehouse inner condenser 46 and/or the oily suction pipe arrangement that is recovered to compressor 5 can be prevented the fault of cooling power deficiency and/or compressor.
Here; Through stop at compressor 5 and the state of high-low pressure balance under, solenoid valve is inaccessible after 50 open stipulated times, become the form that under the state of equilibrium pressure cold-producing medium stockpiles the inner condenser 46 in the storehouse thus; Can cool off running with the amount of less cold-producing medium; And on the other hand, falling or setting under the state that even load is high when switching to cooling setpoint open all the time solenoid valve 50 from heating; Can utilize whole cold-producing mediums to cool off etc. and change the amount of circulating refrigerant accordingly, and the ability of the adverse current that too much causes of the cold-producing medium can prevent steady running simultaneously time the when realizing overload improves with ability.
In addition, because the leakage rate of the cold-producing medium in four-way switching valve 49 is considerably less, even therefore open all the time solenoid valve 50, and in the starting of compressor, open the stipulated time termly, also can access same effect.Thus, can the power consumption of solenoid valve be suppressed at bottom line.
Here; Though be detained the recovery of cold-producing medium through the suction pipe arrangement of link library inner condenser 46 and compressor 5,, then Anywhere can so long as the pipe arrangement of connection is the position of low pressure; Specifically, so long as get final product after the resistance gauge 43,44,45,53.But, when in the commodity storehouse, connecting,, therefore be connected piping length is shortened with the suction pipe arrangement of compressor 5 because pipe arrangement is elongated.
As stated; Automatic vending machine of the present invention carry out the cooling in the storehouse switching a plurality of operation modes and the freeze cycle of heating in; Owing to can raise the efficiency according to the solenoid valve of abolishing on the low-pressure side pipe arrangement; And reclaim and to be trapped in the cold-producing medium that does not use in the condenser, therefore also can be adapted to a plurality of storerooms cool off or the cooling warming-up device of heating in.
Claims (6)
1. automatic vending machine, it has a plurality of commodities storehouse, it is characterized in that,
Said automatic vending machine has:
The 1st evaporator, it is arranged on as in one in the said commodity storehouse the 1st commodity storehouse;
The 2nd evaporator and storehouse inner condenser, they are arranged on as in another the 2nd commodity storehouse in the said commodity storehouse;
Evaporator, stream switch unit and expansion mechanism outside compressor, storehouse external condenser, the storehouse, they are arranged on the outside in said commodity storehouse;
Shunt valve, it connects said storehouse inner condenser and low-pressure side pipe arrangement; And
Open and close valve, it opens and closes said shunt valve.
2. automatic vending machine according to claim 1 is characterized in that,
When cold-producing medium does not flow to said storehouse inner condenser, open said open and close valve.
3. automatic vending machine according to claim 1 and 2 is characterized in that,
In the stopping of said compressor, make said open and close valve after the open stipulated time, inaccessible said open and close valve.
4. automatic vending machine according to claim 1 is characterized in that,
Storehouse temperature in said the 2nd commodity storehouse is higher than under the situation of set point of temperature, open all the time said open and close valve.
5. automatic vending machine according to claim 2 is characterized in that,
Storehouse temperature in said the 2nd commodity storehouse is higher than under the situation of set point of temperature, open all the time said open and close valve.
6. automatic vending machine according to claim 3 is characterized in that,
Storehouse temperature in said the 2nd commodity storehouse is higher than under the situation of set point of temperature, open all the time said open and close valve.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010258694 | 2010-11-19 | ||
| JP2010-258694 | 2010-11-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102479406A true CN102479406A (en) | 2012-05-30 |
Family
ID=46092033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100563934A Pending CN102479406A (en) | 2010-11-19 | 2011-03-09 | Automatic vending machine |
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|---|---|
| JP (1) | JP2012123786A (en) |
| CN (1) | CN102479406A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105096460A (en) * | 2015-09-09 | 2015-11-25 | 浙江大学 | Heat pump type automatic vending machine with goods storage function, refrigeration function and heating function which are separated |
| CN105869281A (en) * | 2016-06-02 | 2016-08-17 | 东莞嘉丰机电设备有限公司 | Multifunctional vending machine for hot food and cold drink |
| CN105957266A (en) * | 2016-05-13 | 2016-09-21 | 黑龙江大学 | Multifunctional express delivery send-receive cabinet and application method thereof |
| CN108428298A (en) * | 2017-02-15 | 2018-08-21 | 富士电机株式会社 | Automatic vending machine |
| CN109827382A (en) * | 2019-02-18 | 2019-05-31 | 珠海格力电器股份有限公司 | Vending machine with dual system operating mode |
| CN112771586A (en) * | 2018-06-27 | 2021-05-07 | 富士电机株式会社 | Commodity storage device |
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| JP4492226B2 (en) * | 2004-06-23 | 2010-06-30 | 富士電機ホールディングス株式会社 | Vending machine cooling and heating device |
| JP2008071021A (en) * | 2006-09-13 | 2008-03-27 | Matsushita Electric Ind Co Ltd | Automatic vending machine |
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| CN101158528A (en) * | 2003-10-09 | 2008-04-09 | 松下电器产业株式会社 | Automatic vending machine |
| JP2006046811A (en) * | 2004-08-05 | 2006-02-16 | Fuji Electric Retail Systems Co Ltd | Cooling device, and automatic vending machine |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105096460A (en) * | 2015-09-09 | 2015-11-25 | 浙江大学 | Heat pump type automatic vending machine with goods storage function, refrigeration function and heating function which are separated |
| CN105096460B (en) * | 2015-09-09 | 2017-10-31 | 浙江大学 | The pump type heat automatic vending machine that a kind of goods storage is separated with refrigeration heating function |
| CN105957266A (en) * | 2016-05-13 | 2016-09-21 | 黑龙江大学 | Multifunctional express delivery send-receive cabinet and application method thereof |
| CN105957266B (en) * | 2016-05-13 | 2019-01-29 | 黑龙江大学 | A kind of multi-functional express delivery receipts post cabinet and its application method |
| CN105869281A (en) * | 2016-06-02 | 2016-08-17 | 东莞嘉丰机电设备有限公司 | Multifunctional vending machine for hot food and cold drink |
| CN108428298A (en) * | 2017-02-15 | 2018-08-21 | 富士电机株式会社 | Automatic vending machine |
| CN112771586A (en) * | 2018-06-27 | 2021-05-07 | 富士电机株式会社 | Commodity storage device |
| CN109827382A (en) * | 2019-02-18 | 2019-05-31 | 珠海格力电器股份有限公司 | Vending machine with dual system operating mode |
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| Publication number | Publication date |
|---|---|
| JP2012123786A (en) | 2012-06-28 |
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