EP3090414B1 - Locker system with a temperature control device - Google Patents
Locker system with a temperature control device Download PDFInfo
- Publication number
- EP3090414B1 EP3090414B1 EP14808533.5A EP14808533A EP3090414B1 EP 3090414 B1 EP3090414 B1 EP 3090414B1 EP 14808533 A EP14808533 A EP 14808533A EP 3090414 B1 EP3090414 B1 EP 3090414B1
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- EP
- European Patent Office
- Prior art keywords
- locker
- temperature
- lockers
- locker system
- control unit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/10—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for means for safe-keeping of property, left temporarily, e.g. by fastening the property
- G07F17/12—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for means for safe-keeping of property, left temporarily, e.g. by fastening the property comprising lockable containers, e.g. for accepting clothes to be cleaned
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F9/00—Details other than those peculiar to special kinds or types of apparatus
- G07F9/10—Casings or parts thereof, e.g. with means for heating or cooling
- G07F9/105—Heating or cooling means, for temperature and humidity control, for the conditioning of articles and their storage
Definitions
- the invention relates to a locker system which is equipped with a temperature control device.
- Locker systems which have several lockers are already known. Such a locker system serves as a transfer point for consignments by a deliverer who equipped one or more of the lockers with a respective consignment. This consignment can then be removed from the locker by an authorized customer.
- Such a known locker system is, for example, a DHL packing station, in the lockers of which German Heilpost shipments, parcels and / or parcels for a respective customer are deposited.
- a method for depositing goods in at least one locker and a locker system for carrying out this method are known.
- This locker system has at least one locker, which is equipped with a lockable door or flap.
- the known locker system includes a computer-controlled electronic locking system for actuating the lock of the door or the flap of the locker by means of an electronic key system of an authorized courier or addressee.
- computer input means are provided for identifying an authorized user.
- the known system is provided with a memory in which at least the addresses and movement data are registered for the good to be deposited.
- the known system includes a communication interface to a communication network, in particular a landline or a mobile network including the Internet.
- the computer of the locking system can be unlocked or dialed by a central administration computer or via a data terminal or a telephone for authorized users.
- WO 2013/170316 A1 further discloses a locker system, wherein individual lockers can be cooled.
- the cooling possibility is limited, with the off WO 2013/170316 A1 known locker system has a high energy consumption.
- the object of the invention is to provide a locker system whose use options are expanded.
- a locker system with the features specified in claim 1 has the advantage that in their lockers and items and food can be stored, which must be stored at a certain temperature or in a specific temperature range. This is especially true for food. For example, frozen foods such as frozen pizzas or ice cream must be stored at a temperature of -18 ° C, while cheese and vegetable products must be stored at about + 7 ° C.
- the temperature control of the individual lockers of the locker system contains one or more Peltier elements.
- the Peltier elements are connected to a common Vortemperier Anlagenlauf, which is designed to supply the Peltier elements by means of a tempered fluid, wherein the common Vortemperier réellelauf has a heater and a chiller, which are switched separately in the common Vortemperier Vietnamese Republiclauf to the fluid to a to bring desired temperature.
- the common Vortemperier réellelauf is designed to compensate for outside temperature fluctuations, being provided over the common Vortemperierniklauf the Peltier elements, regardless of an ambient temperature, a fluid at a constant temperature.
- the Peltier elements are advantageously arranged in or on a wall of the respective locker and each have an inner side and an outer side, wherein the inner side in the direction of the interior of the locker and the outside to the outside is directed.
- the temperature of each locker is individually both increased and decreased, so that, for example, starting from a current locker temperature of 0 ° C one of the lockers for storage of frozen food at -18 ° C and another locker for storing vegetables at +7 ° C can be used.
- the temperature control of each of the lockers is individually switched on and off.
- This has the advantage that currently not required lockers of the locker system need not be tempered, so that the interior of the respective locker substantially assumes the ambient temperature. This possibility of being able to switch off the temperature control of currently not required lockers saves energy.
- a central control unit is provided in an advantageous manner, which assigns individual lockers as needed to a specific product and sets the target temperature at which the respective product must be stored.
- the temperature control devices are each equipped with cooling fins. This allows a dissipation of heat or cold from one side wall of the respective Peltier element to the other side wall of the respective Peltier element or vice versa. This dissipation of heat or cold is preferably carried out using a fan.
- each of the lockers is provided in an advantageous manner with an insulating layer.
- a temperature sensor is provided in each locker. The detected by this actual temperature of the respective locker is compared in the control unit of the locker with a predetermined by the central control unit setpoint for the locker temperature. If the actual temperature and setpoint temperature deviate from one another, then the control unit regulates the temperature in the locker to the respective temperature setpoint.
- the locker system can operate reliably over a wide temperature range, for example from -30 ° C to + 40 ° C, the outer sides of the Peltier elements used as tempering are connected to a common Vortemperierniklauf, which for supplying the outer sides of the Peltier elements by means of a tempered fluid is formed.
- This common Vemperemperier réellelauf has a heater and a refrigerator, which can be introduced if necessary in the common temperature circuit and by means of which the fluid is brought to a desired temperature, for example to a temperature of + 10 ° C.
- the Peltier elements of the locker system then only have the task, starting from this temperature to make a temperature control of the respective locker to a particular desired temperature.
- Peltier elements generally only a temperature difference of about 40 °, a temperature could be generated in the lockers in this case, regardless of the ambient temperature of the locker system due to the previous pre-tempering, which is in the range of -30 ° C to + 50 ° C.
- the present invention provides a locker system which has a plurality of lockers, each of these lockers being equipped with a temperature control device.
- a locker system is particularly advantageous for the food industry, as is ensured by means of this locker system if necessary, the securing of a cold chain, being avoided that in the frozen state in the lockers of the locker deposit deposited food in undesirable manner during their storage in the respective locker or even defrost.
- the temperature control device of the lockers preferably includes one or more Peltier elements, which are arranged in or on a wall of the respective locker and which each have an inside facing the interior of the locker inside and a outside space of the locker facing outside.
- the FIG. 1 shows a schematic representation for explaining the operation of a Peltier element.
- a Peltier element has a current source Q, ceramic plates K, semiconductor HL of different doping and metal bridges MB.
- a Peltier element can be generated by current flow, a temperature difference between the two sides of the Peltier element.
- a heat flow is generated by electrical energy.
- one side of the Peltier element is heated, the other side cooled.
- Peltier elements are arranged in or on a wall of a locker of a locker system such that one side of the Peltier elements is located on the inside and the other on the outside of, for example, a side wall or the rear wall of a locker, then a Temperature difference between the interior and the exterior of the locker can be generated. This allows both a cooling and a heating of the interior of a locker. Applying a current creates a heat flow from the inside of the locker to the outside of the locker. By reversing the direction of the current, the direction of the heat flow can be reversed and a respective locker can be specifically heated when it falls below a predetermined target temperature. In this way, both at low and at high outside temperatures inside a locker each set a desired constant temperature.
- cooling fins in particular aluminum cooling fins, are mounted on the outer sides of the Peltier elements (heat conduction) and these fins are optionally traversed with air using a fan or fan (convection).
- FIG. 2 shows a sketch to explain the basic structure of a equipped with a Peltier element locker a locker system.
- This locker 19 has a housing 1 which is provided with a door 2. Within the housing 1, an insulating layer 3 is provided, which thermally insulates the interior of the locker relative to the locker environment. In the or on the rear wall of the locker a temperature control device is arranged, which ensures that the interior of the locker has a desired temperature. In the embodiment shown, a Peltier element 4, an aluminum block 5, cooling fins 6 and a fan 7 belong to this tempering device. Inside the locker 19, a temperature sensor 8 is arranged, by means of which the actual temperature prevailing inside the locker is detected. Furthermore, the locker 19 has a in the FIG. 2 not shown control unit 22, which from a central control unit 21, a temperature setpoint for the locker 19 is transmitted. The interaction of the central control unit 21 with the control units 22 of the lockers 19 is in the FIG. 3 illustrated.
- control units 22 are designed such that they compare the temperature actual value provided by the respective temperature sensor 8 with the respective temperature setpoint predetermined by the central control unit 21 and regulate or adjust the power and also the current direction through the respective Peltier element 4 such that within the Locker 19 is the desired temperature each desired.
- the central control unit 21 determines the temperature setpoints for the individual lockers as a function of their supplied sensor signals s, control signals b and setting signals e.
- the sensor signals s are, for example, the signals of an outside temperature sensor, the control signals b input by means of the control unit of the locker command or information signals and the setting signals e, for example, set by the operator of the locker system data or command signals.
- each locker 19 its own control unit
- several lockers can also be combined to form a locker module and one single control unit can be used per locker module.
- the regulatory burden is reduced.
- the central control unit 21 provides for each of the lockers a desired temperature setpoint, which is adjusted by means of the control unit of the respective locker.
- the central control unit 21 the assignment of a temperature setpoint to a respective Make locker as needed. For example, it can assign all lockers one and the same temperature setpoint, but it can also specify each individual locker individually dependent on the currently available demand temperature setpoint. Currently not required lockers can be turned off by the central control unit 21. Through these measures, the locker system can be operated energy-efficient.
- a desired temperature setpoint can be specified, which can then be adjusted by means of the temperature control of the respective locker.
- This setting can be made in the sense of a fast control.
- energy savings can be achieved.
- Even at low outdoor temperatures, for example, down to -10 ° C, can be set by the heating function of the Peltier elements a stable locker temperature in the positive temperature range. This requires no coolant. If no fan is used, the temperature control of the lockers works almost silently.
- a locker system according to the invention is not only suitable for being set up in the interior of a building in which comparatively small temperature differences prevail, but also suitable for being set up in the exterior of a building, even if there are large temperature differences.
- ambient temperatures may occur that vary widely. For example, one can be outdoors In winter, a locker set up in a building will be exposed to ambient temperatures of -30 ° C and to ambient temperatures in the summer of + 40 ° C.
- the temperature control function of the locker system should be ensured both at very low outside temperatures and at very high outside temperatures.
- the outer sides of the Peltier elements are connected to a common Vortemperierniklauf, which is designed to supply the Peltier elements by means of a tempered fluid.
- This common Vemperierniklauf preferably has a heater and a refrigerator, which are separately switchable to heat the fluid to a desired temperature or to cool.
- This desired temperature is for example + 10 ° C.
- the Peltier elements then have only the task of lowering the temperature prevailing in the interior of the respective locker to a desired lower temperature value or to a to increase the desired higher temperature value.
- the temperature difference of about + 40 ° C which can be generated by means of the Peltier elements, is sufficient.
- a heater for example, one or more current-carrying coils, heating bands, heating resistors or a continuous flow heater can be used, as a chiller, a compression refrigeration machine.
- the fluid thus keeps the outer sides of the Peltier elements at a constant temperature of, for example, + 10 ° C and thereby compensates for temperature differences in the environment.
- a constant temperature of, for example, + 10 ° C and thereby compensates for temperature differences in the environment.
- low locker temperatures of, for example, -18 ° C can be generated. It is still possible to operate all lockers with different temperatures, in extreme cases, for example, at temperatures in the range of + 50 ° C to -30 ° C.
- the desired constant temperature of, for example, + 10 ° C, to which the fluid flowing around the outer sides of the Peltier elements is tempered, is preferably provided by using a chiller or a heating device, which can be switched on separately in the pre-tempering circuit.
- FIG. 4 a sketch of a front view of a locker system and in the FIG. 5 a sketch illustrating the rear of the in the FIG. 4 shown locker system is shown.
- the locker system has a plurality of lockers 19, of which in the FIG. 4 the doors are visible.
- the locker system has a total of nine lockers, of which three are arranged one above the other and three next to each other.
- the lockers of the lower locker row are larger than the lockers of the two upper locker rows.
- Each of these lockers 19 is - as it was above - with a Peltier element equipped for temperature control of the respective locker.
- the outsides of the Peltier elements are each provided with an aluminum block 5 (see FIG. 2 ) and pipelines 10 (see FIG. 5 ) Provided. Like from the FIG. 5 Furthermore, it can be seen, the pipes 10 are part of the common pre-conditioning described above and are supplied via pipes 9 and 11 with a fluid of predetermined temperature.
- the circulating fluid is provided by a compression refrigeration machine having a compressor 12, a condenser 13 and a throttle 14, and transported in the cooled state to the lockers 19, whereby the outsides of the Peltier elements, a heating of the fluid make, whereby a cooling of the interior of the respective locker takes place.
- the locker temperature control is switched from cooling to heating in order to ensure the desired constant temperature in the interior of the respective locker. This is done by changing the current direction of the respective Peltier element by the control unit of the respective shooting compartment. As a result, the direction of the heat flow in the Peltier element also changes, so that the outer side of the locker and also the medium flowing around are cooled.
- the system cooling process can be interrupted via valves 15 and the fluid is transferred via a pump 16 and a heater 17 are heated to the lockers 19 are passed.
- the position of the valves 15 and the power of the heater 17 and the chiller 12, 13, 14 are set or adjusted by a control unit of the common Vortemperier réellelaufes.
- This control unit evaluates the temperature of the fluid measured by temperature sensors 18 and sets the desired temperature of the fluid for the common Vortemperierniklauf.
- an operating area 20 is provided to the right of the lockers 19, in which the usual operating elements of a locker system are arranged.
- These conventional controls include, for example, alphanumeric input means, a smart card reader, a magnetic card reader, a bar code reader, a transponder chip reader, biometric sensors and / or a radiotelephone for identifying an authorized user.
- display means 20 are also provided in the operating area 20.
- the invention described above provides after all a new locker system, which in addition to the usual functions of known locker systems, for example, in the EP 1 247 260 B1 locker system described, has temperature-controlled lockers, in particular lockers with cooling and freezing function.
- This new locker system as well as known locker systems on a high security against vandalism and allows authentication and authorization of a person to fill and empty a locker.
- the individual lockers of the locker system each have one or more Peltier elements, by means of which ever If required, heating or cooling of the respective locker can take place.
- these Peltier elements are each connected to a common Vortemperier réellelauf, which is designed to supply the Peltier elements with a tempered fluid.
- the common Vortemperier réellelauf has a heater and a chiller, which can be turned on or removed as needed in the common Vortemperier Vietnamese Republiclauf.
- the common Vemperemperiernikonne provides independent of the ambient temperature of the locker system all Peltier elements fluid of a predetermined, constant temperature available, so compensates for outside temperature fluctuations.
- the individual Peltier elements can realize a desired temperature in the respective locker individually for each locker, independently of the outside temperature of the locker system, based on the fluid temperature.
- the setpoint temperatures for the individual lockers and also the temperature of the fluid are predetermined by the central control unit. As a result, an improvement in energy efficiency can be achieved.
- the central control unit can switch off the temperature of the unoccupied lockers at low utilization / use of the locker system with unoccupied lockers to save energy.
- Individual lockers or locker modules can also be separated using valves from the tempering process, if the temperature is not necessary. This can be done both manually and via the central control unit.
- the individual lockers or locker modules are constructed such that the locker system can be extended as desired.
- This extension can also be made such that the locker system has both temperature-controlled lockers and non-temperature-controlled lockers.
- the temperature control means of a locker can also be realized in the form of an additional component to a conventional locker.
- the lockable lockers of the locker system have the same dimensions as the non-temperature-controlled lockers of the locker system.
- the setpoint temperatures for the individual lockers are - as described above - predetermined by the central control unit. These setpoint temperatures can be specified to the central control unit either by the operator of the locker system or even changed during operation of the locker system. This can be done over a network or directly at the locker system via a management function.
- the central control unit can also specify that always a predetermined number of lockers of a specific temperature range must be unoccupied. If a free locker occupied, then the control unit can assign a free, hitherto unoccupied compartment a new setpoint temperature of this particular temperature range to meet the requirement to always have a predetermined number of lockers of a certain temperature range in stock.
- a desired temperature range for the subjects can be set in advance.
- the central control unit reserves the lockers of the locker system and gives the selected setpoint temperature.
- the selection of the temperature can also be made using a database and a specification of the future content of a locker. For example, it can be selected in advance that a particular locker will soon be covered with fruit and vegetables.
- the respective product is associated with an associated temperature, for example + 7 ° C.
- the central control unit a new locker, which has the required size, select and bring by changing the set temperature to the required temperature.
- the end user himself in the presence of a locker system in which the end user wishes to temporarily store his previous purchases, the end user himself can set a locker temperature suitable for storing his previous purchases on the operating unit of the locker system.
- the goods that are to be deposited in a locker of the locker system provided with a bar code or an RFID chip. If the locker system has a corresponding reading device, the goods can be identified by reading the barcode or the RFID chip and a suitable storage temperature can be determined via a database. Subsequently, the user is proposed a locker with the correct temperature and, for example, immediately opened automatically.
- the temperature suitable for storage of the goods in the barcode or the RFID chip of the Goods themselves be coded, so that it requires no database to determine a suitable storage temperature.
- An advantageous development of the invention is to design the central control unit in such a way that, in a case in which a locker is loaded with different goods, these goods are identified on the basis of the barcodes or the RFID chips and the user has a distribution of the goods into different ones Lockers, each of which has the appropriate temperature for storage of the product, proposes.
- Each locker is advantageously equipped with a door sensor which monitors the opening state of the door of the locker. If a locker door is open too long, then the control unit can issue an optical or acoustic warning signal so that the user closes the locker door again as soon as possible.
- the central control unit can advantageously put the temperature control of this locker out of order to avoid energy waste. Furthermore, via the central control unit and / or a connected network an indication of the non-closed locker door can be reported to the operator of the locker system, for example in the form of an automatic telephone call, SMS, e-mail or push notification.
- a put out of operation locker is only available to a customer again when this locker has been closed and inside the locker is again the set temperature.
- a locked out locker is indicated by means of a provided in the operating area of the locker system display as locked.
- the control unit is designed such that it monitors the duration of storage of a product in a locker and outputs a warning signal when the duration of storage exceeds a predetermined period of time.
- the control unit can emit this warning signal, for example, by automatic transmission of a message signal to the operator of the locker system and / or to the respective end customer.
- the receiver of the warning signal then has the opportunity to take care for a removal of the goods from the respective locker and thereby avoid spoilage of the goods.
- Another advantageous embodiment of the invention is to form the lockers of the locker system each unlocked from the inside. This increases the security of the locker system, since, for example, a person locked in a locker using force has the opportunity to free himself from the locker.
Description
Die Erfindung betrifft eine Schließfachanlage, welche mit einer Temperiervorrichtung ausgestattet ist.The invention relates to a locker system which is equipped with a temperature control device.
Schließfachanlagen, welche mehrere Schließfächer aufweisen, sind bereits bekannt. Eine derartige Schließfachanlage dient als Übergabestelle für Warensendungen seitens eines Zustellers, der eines oder mehrere der Schließfächer mit einer jeweiligen Warensendung bestückt. Diese Warensendung kann dann von einem autorisierten Kunden aus dem Schließfach entnommen werden.Locker systems which have several lockers are already known. Such a locker system serves as a transfer point for consignments by a deliverer who equipped one or more of the lockers with a respective consignment. This consignment can then be removed from the locker by an authorized customer.
Bei einer derartigen bekannten Schließfachanlage handelt es sich beispielsweise um eine DHL-Packstation, in deren Schließfächern von der deutschen Bundespost Warensendungen, Päckchen und/oder Pakete für einen jeweiligen Kunden hinterlegt werden.Such a known locker system is, for example, a DHL packing station, in the lockers of which German Bundespost shipments, parcels and / or parcels for a respective customer are deposited.
Aus der
Weitere Schließfachanlagen sind aus der
Die Aufgabe der Erfindung besteht darin, eine Schließfachanlage anzugeben, deren Nutzungsmöglichkeiten erweitert sind.The object of the invention is to provide a locker system whose use options are expanded.
Diese Aufgabe wird durch eine Schließfachanlage mit den im Anspruch 1 angegebenen Merkmalen gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung sind in den abhängigen Ansprüchen angegeben.This object is achieved by a locker system with the features specified in
Eine Schließfachanlage mit den im Anspruch 1 angegebenen Merkmalen weist den Vorteil auf, dass in deren Schließfächern auch Gegenstände und Lebensmittel gelagert werden können, die bei einer bestimmten Temperatur oder in einem bestimmten Temperaturbereich gelagert werden müssen. Dies gilt insbesondere für Lebensmittel. Beispielsweise müssen Tiefkühlprodukte wie Tiefkühlpizzen oder Speiseeis bei einer Temperatur von -18°C gelagert werden, während Käse- und Gemüseprodukte bei etwa +7°C gelagert werden müssen.A locker system with the features specified in
Die Temperiervorrichtung der einzelnen Schließfächer der Schließfachanlage enthält jeweils ein oder mehrere Peltier-Elemente. Die Peltier-Elemente sind an einen gemeinsamen Vortemperierkreislauf angeschlossen, welcher zur Versorgung der Peltier-Elemente mittels eines temperierten Fluids ausgebildet ist, wobei der gemeinsame Vortemperierkreislauf eine Heizvorrichtung und eine Kältemaschine aufweist, die separat in den gemeinsamen Vortemperierkreislauf einschaltbar sind, um das Fluid auf eine gewünschte Temperatur zu bringen. Der gemeinsame Vortemperierkreislauf ist zum Ausgleich von Außentemperaturschwankungen ausgebildet, wobei über den gemeinsamen Vortemperierkreislauf den Peltier-Elementen unabhängig von einer Umgebungstemperatur ein Fluid mit einer konstanten Temperatur zur Verfügung gestellt wird.The temperature control of the individual lockers of the locker system contains one or more Peltier elements. The Peltier elements are connected to a common Vortemperierkreislauf, which is designed to supply the Peltier elements by means of a tempered fluid, wherein the common Vortemperierkreislauf has a heater and a chiller, which are switched separately in the common Vortemperierkreislauf to the fluid to a to bring desired temperature. The common Vortemperierkreislauf is designed to compensate for outside temperature fluctuations, being provided over the common Vortemperierkreislauf the Peltier elements, regardless of an ambient temperature, a fluid at a constant temperature.
Die Peltier-Elemente sind in vorteilhafter Weise in oder an einer Wand des jeweiligen Schließfaches angeordnet und weisen jeweils eine Innenseite und eine Außenseite auf, wobei die Innenseite in Richtung des Innenraumes des Schließfaches und die Außenseite nach außen gerichtet ist. In vorteilhafter Weise ist die Temperatur jedes Schließfaches individuell sowohl erhöhbar als auch erniedrigbar, so dass beispielsweise ausgehend von einer momentanen Schließfachtemperatur von 0°C eines der Schließfächer zur Lagerung von Tiefkühlprodukten bei -18°C und ein weiteres Schließfach zur Lagerung von Gemüse bei +7°C verwendet werden kann.The Peltier elements are advantageously arranged in or on a wall of the respective locker and each have an inner side and an outer side, wherein the inner side in the direction of the interior of the locker and the outside to the outside is directed. Advantageously, the temperature of each locker is individually both increased and decreased, so that, for example, starting from a current locker temperature of 0 ° C one of the lockers for storage of frozen food at -18 ° C and another locker for storing vegetables at +7 ° C can be used.
Vorzugsweise ist die Temperiervorrichtung jedes der Schließfächer individuell einschaltbar und ausschaltbar. Dies hat den Vorteil, dass momentan nicht benötigte Schließfächer der Schließfachanlage nicht temperiert werden müssen, so dass der Innenbereich des jeweiligen Schließfaches im Wesentlichen die Umgebungstemperatur annimmt. Durch diese Möglichkeit, die Temperierung momentan nicht benötigter Schließfächer ausschalten zu können, wird Energie eingespart.Preferably, the temperature control of each of the lockers is individually switched on and off. This has the advantage that currently not required lockers of the locker system need not be tempered, so that the interior of the respective locker substantially assumes the ambient temperature. This possibility of being able to switch off the temperature control of currently not required lockers saves energy.
Zur Steuerung der Temperiervorrichtungen der einzelnen Schließfächer ist in vorteilhafter Weise eine zentrale Steuereinheit vorgesehen, welche einzelne Schließfächer je nach Bedarf einem bestimmten Produkt zuordnet und die Solltemperatur vorgibt, bei welcher das jeweilige Produkt gelagert werden muss. Die Anpassung der im Schließfach herrschenden Isttemperatur an die vorgegebene Solltemperatur erfolgt mittels einer Regelungseinheit des jeweiligen Schließfaches.To control the temperature control of the individual lockers, a central control unit is provided in an advantageous manner, which assigns individual lockers as needed to a specific product and sets the target temperature at which the respective product must be stored. The adaptation of the prevailing in the locker actual temperature to the predetermined target temperature by means of a control unit of the respective locker.
Gemäß einer vorteilhaften Ausgestaltung der Erfindung sind die Temperiervorrichtungen jeweils mit Kühlrippen ausgestattet. Dies ermöglicht eine Ableitung von Wärme bzw. Kälte von einer Seitenwand des jeweiligen Peltier-Elementes auf die andere Seitenwand des jeweiligen Peltier-Elementes bzw. umgekehrt. Diese Ableitung von Wärme bzw. Kälte erfolgt vorzugsweise unter Verwendung eines Lüfters.According to an advantageous embodiment of the invention, the temperature control devices are each equipped with cooling fins. This allows a dissipation of heat or cold from one side wall of the respective Peltier element to the other side wall of the respective Peltier element or vice versa. This dissipation of heat or cold is preferably carried out using a fan.
Um in einem Schließfach eine jeweils gewünschte Temperatur besser aufrechterhalten zu können, ist jedes der Schließfächer in vorteilhafter Weise mit einer Isolationsschicht versehen.In order to better maintain a respective desired temperature in a locker, each of the lockers is provided in an advantageous manner with an insulating layer.
Zur Überwachung der in einem Schließfach herrschenden Temperatur ist in jedem Schließfach ein Temperatursensor vorgesehen. Die von diesem erfasste Isttemperatur des jeweiligen Schließfaches wird in der Regelungseinheit des Schließfaches mit einem von der zentralen Steuereinheit vorgegebenen Sollwert für die Schließfachtemperatur verglichen. Weichen Isttemperatur und Solltemperatur voneinander ab, dann regelt die Regelungseinheit die Temperatur im Schließfach auf den jeweiligen Temperatursollwert.To monitor the temperature prevailing in a locker a temperature sensor is provided in each locker. The detected by this actual temperature of the respective locker is compared in the control unit of the locker with a predetermined by the central control unit setpoint for the locker temperature. If the actual temperature and setpoint temperature deviate from one another, then the control unit regulates the temperature in the locker to the respective temperature setpoint.
Es besteht auch die Möglichkeit, mehrere Schließfächer zu einem Schließfachmodul zusammenzufassen und den Schließfächern dieses Schließfachmoduls eine gemeinsame Regelungseinheit zuzuordnen. Dies reduziert den benötigten Aufwand zur Einregelung der gewünschten Solltemperatur.It is also possible to combine several lockers to a locker module and assign the lockers of this locker module a common control unit. This reduces the effort required to adjust the desired setpoint temperature.
Damit die Schließfachanlage zuverlässig über einen weiten Temperaturbereich arbeiten kann, beispielsweise von -30°C bis +40°C, sind die Außenseiten der als Temperiervorrichtung verwendeten Peltier-Elemente an einen gemeinsamen Vortemperierkreislauf angeschlossen, welcher zur Versorgung der Außenseiten der Peltier-Elemente mittels eines temperierten Fluids ausgebildet ist. Dieser gemeinsame Vortemperierkreislauf weist eine Heizvorrichtung und eine Kältemaschine auf, welche bei Bedarf in den gemeinsamen Temperaturkreislauf einbringbar sind und mittels welcher das Fluid auf eine gewünschte Temperatur gebracht wird, beispielsweise auf eine Temperatur von +10°C. Die Peltier-Elemente der Schließfachanlage haben dann lediglich die Aufgabe, ausgehend von dieser Temperatur eine Temperierung des jeweiligen Schließfaches auf eine jeweils gewünschte Temperatur vorzunehmen. Da Peltier-Elemente im allgemeinen lediglich eine Temperaturdifferenz von etwa 40° realisieren können, würde in den Schließfächern in diesem Fall unabhängig von der Umgebungstemperatur der Schließfachanlage aufgrund der erfolgten Vortemperierung eine Temperatur erzeugt werden können, die im Bereich von -30°C bis +50°C liegt.Thus, the locker system can operate reliably over a wide temperature range, for example from -30 ° C to + 40 ° C, the outer sides of the Peltier elements used as tempering are connected to a common Vortemperierkreislauf, which for supplying the outer sides of the Peltier elements by means of a tempered fluid is formed. This common Vemperemperierkreislauf has a heater and a refrigerator, which can be introduced if necessary in the common temperature circuit and by means of which the fluid is brought to a desired temperature, for example to a temperature of + 10 ° C. The Peltier elements of the locker system then only have the task, starting from this temperature to make a temperature control of the respective locker to a particular desired temperature. As Peltier elements generally only a temperature difference of about 40 °, a temperature could be generated in the lockers in this case, regardless of the ambient temperature of the locker system due to the previous pre-tempering, which is in the range of -30 ° C to + 50 ° C.
Weitere vorteilhafte Eigenschaften der Erfindung ergeben sich aus deren nachfolgender Erläuterung anhand der Figuren. Es zeigt
Figur 1- eine schematische Darstellung zur Erläuterung der Funktionsweise eines Peltier-Elementes,
Figur 2- eine Skizze zur Erläuterung des grundsätzlichen Aufbaus eines mit einem Peltier-Element ausgestatteten Schließfachs einer Schließfachanlage,
Figur 3- eine Blockdarstellung zur Veranschaulichung des Zusammenwirkens einer zentralen Steuereinheit und der Regelungseinheiten der Schließfächer,
Figur 4- eine Skizze einer Frontansicht einer Schließfachanlage und
Figur 5- eine Skizze zur Veranschaulichung des hinteren Bereiches der in der
dargestellten Schließfachanlage.Figur 4
- FIG. 1
- a schematic representation for explaining the operation of a Peltier element,
- FIG. 2
- a sketch to explain the basic structure of a equipped with a Peltier element locker a locker system,
- FIG. 3
- a block diagram illustrating the interaction of a central control unit and the control units of the lockers,
- FIG. 4
- a sketch of a front view of a locker system and
- FIG. 5
- a sketch illustrating the rear of the in the
FIG. 4 illustrated locker system.
Die vorliegende Erfindung stellt eine Schließfachanlage bereit, welche mehrere Schließfächer aufweist, wobei jedes dieser Schließfächer mit einer Temperiervorrichtung ausgestattet ist. Eine derartige Schließfachanlage ist insbesondere für die Lebensmittelbranche von Vorteil, da mittels dieser Schließfachanlage bei Bedarf die Sicherstellung einer Kühlkette gegeben ist, wobei vermieden wird, dass im tiefgefrorenen Zustand in den Schließfächern der Schließfachanlage hinterlegte Lebensmittel in unerwünschter Weise während ihrer Lagerung im jeweiligen Schließfach an- oder gar auftauen.The present invention provides a locker system which has a plurality of lockers, each of these lockers being equipped with a temperature control device. Such a locker system is particularly advantageous for the food industry, as is ensured by means of this locker system if necessary, the securing of a cold chain, being avoided that in the frozen state in the lockers of the locker deposit deposited food in undesirable manner during their storage in the respective locker or even defrost.
Die Temperiervorrichtung der Schließfächer enthält vorzugsweise ein oder mehrere Peltier-Elemente, das bzw. die in oder an einer Wand des jeweiligen Schließfaches angeordnet sind und welche jeweils eine dem Innenraum des Schließfaches zugewandte Innenseite und einen dem Außenraum des Schließfaches zugewandte Außenseite aufweisen.The temperature control device of the lockers preferably includes one or more Peltier elements, which are arranged in or on a wall of the respective locker and which each have an inside facing the interior of the locker inside and a outside space of the locker facing outside.
Die
Bei derartigen Peltier-Elementen, die zur Herstellung einer Temperaturdifferenz von etwa 40°C geeignet sind, muss die auf der einen Seite erzeugte Wärme durch eine Wärmeleitung oder Konvektion an das Umgebungsmedium weitergegeben werden, um niedrigere Temperaturen auf der anderen Seite erzeugen zu können. Dies gilt umgekehrt auch für die zu kühlende Seite. Auch hier muss durch Wärmeleitung oder Konvektion die Wärme des Raumes an die kühlende Seite des Peltier-Elementes abgegeben werden.In such Peltier elements, which are suitable for producing a temperature difference of about 40 ° C, the heat generated on the one hand must be passed through a heat conduction or convection to the surrounding medium in order to produce lower temperatures on the other side can. Conversely, this also applies to the side to be cooled. Here, too, the heat of the room must be dissipated by heat conduction or convection to the cooling side of the Peltier element.
Diese Wärmeleitung bzw. Konvektion wird vorzugsweise dadurch ermöglicht, dass Kühlrippen, insbesondere Aluminiumkühlrippen, auf den Außenseiten der Peltier-Elemente angebracht werden (Wärmeleitung) und diese Kühlrippen ggf. unter Verwendung eines Gebläses bzw. Lüfters mit Luft durchströmt werden (Konvektion).This heat conduction or convection is preferably made possible by the fact that cooling fins, in particular aluminum cooling fins, are mounted on the outer sides of the Peltier elements (heat conduction) and these fins are optionally traversed with air using a fan or fan (convection).
Die
Diese Regelungseinheiten 22 sind derart ausgebildet, dass sie den vom jeweiligen Temperatursensor 8 bereitgestellten Temperaturistwert mit dem jeweiligen von der zentralen Steuereinheit 21 vorgegebenen Temperatursollwert vergleichen und die Leistung und auch die Stromrichtung durch das jeweilige Peltier-Element 4 derart regeln bzw. einstellen, dass innerhalb des Schließfaches 19 die jeweils gewünschte Solltemperatur vorliegt.These
Die zentrale Steuereinheit 21 ermittelt die Temperatursollwerte für die einzelnen Schließfächer in Abhängigkeit von ihr zugeführten Sensorsignalen s, Bediensignalen b und Einstellsignalen e. Bei den Sensorsignalen s handelt es sich beispielsweise um die Signale eines Außentemperatursensors, bei den Bediensignalen b um mittels der Bedieneinheit der Schließfachanlage eingegebene Befehls- bzw. Informationssignale und bei den Einstellungssignalen e beispielsweise um vom Betreiber der Schließfachanlage festgelegte Daten- oder Befehlssignale.The
Alternativ zu der Möglichkeit, jedem Schließfach 19 eine eigene Regelungseinheit zuzuordnen, können auch mehrere Schließfächer zu einem Schließfachmodul zusammengefasst werden und pro Schließfachmodul eine einzige Regelungseinheit verwendet werden. Bei dieser alternativen Ausführungsform ist der Regelungsaufwand reduziert.As an alternative to the possibility of assigning each
Die zentrale Steuereinheit 21 gibt für jedes der Schließfächer einen gewünschten Temperatursollwert vor, der mittels der Regelungseinheit des jeweiligen Schließfaches eingeregelt wird. Dabei kann die zentrale Steuereinheit 21 die Zuordnung eines Temperatursollwertes zu einem jeweiligen Schließfach je nach Bedarf vornehmen. Beispielsweise kann sie allen Schließfächern ein und denselben Temperatursollwert zuordnen, sie kann aber auch jedem einzelnen Schließfach individuell einen vom momentan vorliegenden Bedarf abhängigen Temperatursollwert vorgeben. Momentan nicht benötigte Schließfächer können von der zentralen Steuereinheit 21 ausgeschaltet werden. Durch diese Maßnahmen kann die Schließfachanlage energieeffizient betrieben werden.The
Die Vorteile einer vorstehend beschriebenen Schließfachanlage bestehen zusammenfassend betrachtet darin, dass für jedes Schließfach ein gewünschter Temperatursollwert vorgegeben werden kann, welcher dann mittels der Temperiervorrichtung des jeweiligen Schließfaches eingestellt werden kann. Diese Einstellung kann im Sinne einer schnellen Regelung erfolgen. Durch eine Deaktivierung der Temperierung momentan nicht benötigter Schließfächer kann eine Energieersparnis erzielt werden. Auch bei niedrigen Außentemperaturen, die beispielsweise bis -10°C reichen, kann durch die Heizfunktion der Peltier-Elemente eine stabile Schließfachtemperatur im positiven Temperaturbereich eingestellt werden. Dazu bedarf es keines Kühlmittels. Sofern kein Lüfter verwendet wird, arbeitet die Temperierung der Schließfächer nahezu geräuschlos.The advantages of a locker system described above are summarized in that for each lock a desired temperature setpoint can be specified, which can then be adjusted by means of the temperature control of the respective locker. This setting can be made in the sense of a fast control. By deactivating the temperature control of currently not required lockers energy savings can be achieved. Even at low outdoor temperatures, for example, down to -10 ° C, can be set by the heating function of the Peltier elements a stable locker temperature in the positive temperature range. This requires no coolant. If no fan is used, the temperature control of the lockers works almost silently.
Vorzugsweise ist eine Schließfachanlage gemäß der Erfindung aber nicht nur dazu geeignet, in Innenräumen eines Gebäudes aufgestellt zu werden, in denen vergleichsweise geringe Temperaturunterschiede herrschen, sondern auch dazu geeignet, im Außenbereich eines Gebäudes aufgestellt zu werden, auch wenn dort große Temperaturunterschiede herrschen.Preferably, however, a locker system according to the invention is not only suitable for being set up in the interior of a building in which comparatively small temperature differences prevail, but also suitable for being set up in the exterior of a building, even if there are large temperature differences.
Im Außenbereich eines Gebäudes können in Abhängigkeit von der Jahreszeit und dem Aufstellungsort der Schließfachanlage Umgebungstemperaturen auftreten, die weit voneinander abweichen. Beispielsweise kann eine im Außenbereich eines Gebäudes aufgestellte Schließfachanlage im Winter Umgebungstemperaturen ausgesetzt sein, die im Bereich von -30°C liegen und im Sommer Umgebungstemperaturen ausgesetzt sein, die im Bereich von +40°C liegen. Die Temperierfunktion der Schließfachanlage soll sowohl bei sehr niedrigen Außentemperaturen als auch bei sehr hohen Außentemperaturen gewährleistet sein.In the outdoor area of a building, depending on the season and the location of the locker system, ambient temperatures may occur that vary widely. For example, one can be outdoors In winter, a locker set up in a building will be exposed to ambient temperatures of -30 ° C and to ambient temperatures in the summer of + 40 ° C. The temperature control function of the locker system should be ensured both at very low outside temperatures and at very high outside temperatures.
Dies ist mittels bekannter Peltier-Elemente kaum möglich, da mittels derartiger Peltier-Elemente nur Temperaturdifferenzen von ca. 40°C erzeugt werden können. Folglich ist bei einer alleinigen Verwendung von Peltier-Elementen zur Temperierung beim Vorliegen von hohen Außentemperaturen von beispielsweise +40°C die Erzeugung einer Tiefkühltemperatur von -18°C im Inneren eines jeweiligen Schließfaches kaum möglich.This is hardly possible by means of known Peltier elements, since only temperature differences of about 40 ° C can be generated by means of such Peltier elements. Consequently, with a sole use of Peltier elements for temperature control in the presence of high ambient temperatures of, for example, + 40 ° C, the generation of a freezing temperature of -18 ° C inside a respective locker hardly possible.
Um die Schließfachanlage auch an Aufstellungsorten verwenden zu können, an denen derart große Temperaturunterschiede herrschen, werden die Außenseiten der Peltier-elemente an einen gemeinsamen Vortemperierkreislauf angeschlossen, welcher zur Versorgung der Peltier-Elemente mittels eines temperierten Fluids ausgebildet ist. Dieser gemeinsame Vortemperierkreislauf weist vorzugsweise eine Heizvorrichtung und eine Kältemaschine auf, die separat zuschaltbar sind, um das Fluid auf eine gewünschte Temperatur zu erwärmen oder zu kühlen. Diese gewünschte Temperatur beträgt beispielsweise +10°C. Ausgehend von dieser Temperatur von +10°C, die an den Außenseiten der Peltier-Elemente bereitgestellt wird, haben die Peltier-Elemente dann nur noch die Aufgabe, die im Innenbereich des jeweiligen Schließfaches herrschende Temperatur auf einen gewünschten niedrigeren Temperaturwert zu erniedrigen oder auf einen gewünschten höheren Temperaturwert zu erhöhen. Dazu ist die mittels der Peltier-Elemente erzeugbare Temperaturdifferenz von etwa +40°C ausreichend. Als Heizvorrichtung können beispielsweise eine oder mehrere Stromdurchflossene Spulen, Heizbänder, Heizwiderstände oder ein Durchlauferhitzer verwendet werden, als Kältemaschine eine Kompressionskältemaschine.In order to use the locker system at sites where such large temperature differences prevail, the outer sides of the Peltier elements are connected to a common Vortemperierkreislauf, which is designed to supply the Peltier elements by means of a tempered fluid. This common Vemperierkreislauf preferably has a heater and a refrigerator, which are separately switchable to heat the fluid to a desired temperature or to cool. This desired temperature is for example + 10 ° C. Starting from this temperature of + 10 ° C, which is provided on the outer sides of the Peltier elements, the Peltier elements then have only the task of lowering the temperature prevailing in the interior of the respective locker to a desired lower temperature value or to a to increase the desired higher temperature value. For this purpose, the temperature difference of about + 40 ° C, which can be generated by means of the Peltier elements, is sufficient. As a heater, for example, one or more current-carrying coils, heating bands, heating resistors or a continuous flow heater can be used, as a chiller, a compression refrigeration machine.
Bei einer derart ausgebildeten Schließfachanlage hält das Fluid die Außenseiten der Peltier-Elemente folglich auf einer konstanten Temperatur von beispielsweise +10°C und gleicht dadurch Temperaturunterschiede der Umgebung aus. Auf diese Weise können beispielsweise auch bei sehr hohen Außentemperaturen von 40°C niedrige Schließfachtemperaturen von beispielsweise -18°C erzeugt werden. Dabei besteht weiterhin die Möglichkeit, alle Schließfächer mit unterschiedlichen Temperaturen zu betreiben, im Extremfall beispielsweise bei Temperaturen im Bereich von +50°C bis -30°C.In such a trained locker system, the fluid thus keeps the outer sides of the Peltier elements at a constant temperature of, for example, + 10 ° C and thereby compensates for temperature differences in the environment. In this way, for example, even at very high outside temperatures of 40 ° C low locker temperatures of, for example, -18 ° C can be generated. It is still possible to operate all lockers with different temperatures, in extreme cases, for example, at temperatures in the range of + 50 ° C to -30 ° C.
Die gewünschte konstante Temperatur von beispielsweise +10°C, auf die das die Außenseiten der Peltier-Elemente umströmende Fluid temperiert wird, wird vorzugsweise durch Verwendung einer Kältemaschine oder einer Heizvorrichtung bereitgestellt, die separat in den Vortemperierkreislauf einschaltbar sind.The desired constant temperature of, for example, + 10 ° C, to which the fluid flowing around the outer sides of the Peltier elements is tempered, is preferably provided by using a chiller or a heating device, which can be switched on separately in the pre-tempering circuit.
Dies wird nachfolgend anhand der
Aus der in der
Die Außenseiten der Peltier-Elemente sind jeweils mit einem Aluminiumblock 5 (siehe
Im Falle einer Kühlfunktion der Schließfächer wird das umlaufende Fluid durch eine Kompressionskältemaschine, welche einen Verdichter 12, einen Kondensator 13 und eine Drossel 14 aufweist, bereitgestellt und im abgekühlten Zustand zu den Schließfächern 19 transportiert, wodurch die Außenseiten der Peltier-Elemente eine Erwärmung des Fluids vornehmen, wodurch eine Abkühlung des Innenbereiches des jeweiligen Schließfaches erfolgt.In the case of a cooling function of the lockers, the circulating fluid is provided by a compression refrigeration machine having a
Sinkt die Schließfachtemperatur beispielsweise durch ein Absinken der Außentemperatur, dann wird die Schließfachtemperierung von Kühlen auf Heizen umgestellt, um die gewünschte konstante Temperatur im Innenbereich des jeweiligen Schließfaches zu gewährleisten. Dies geschieht durch eine Änderung der Stromrichtung des jeweiligen Peltier-Elementes durch die Regelungseinheit des jeweiligen Schießfaches. Dadurch ändert sich auch die Richtung des Wärmeflusses im Peltier-Element, so dass die Schließfachaußenseite und auch das umfließende Medium gekühlt werden.If the locker temperature drops, for example due to a drop in the outside temperature, then the locker temperature control is switched from cooling to heating in order to ensure the desired constant temperature in the interior of the respective locker. This is done by changing the current direction of the respective Peltier element by the control unit of the respective shooting compartment. As a result, the direction of the heat flow in the Peltier element also changes, so that the outer side of the locker and also the medium flowing around are cooled.
Wird dadurch oder durch den zusätzlichen Einfluss der niedrigen Außentemperatur das Fluid soweit abgekühlt, dass eine zusätzliche Kühlung durch die Kältemaschine 12, 13, 14 hinderlich ist, dann kann der Anlagenkühlprozess über Ventile 15 abgebrochen werden und das Fluid über eine Pumpe 16 und eine Heizvorrichtung 17 erwärmt zu den Schließfächern 19 geleitet werden.If, as a result of this or due to the additional influence of the low outside temperature, the fluid is cooled sufficiently that additional cooling by the
Die Stellung der Ventile 15 und die Leistung der Heizvorrichtung 17 bzw. der Kältemaschine 12, 13, 14 werden von einer Regelungseinheit des gemeinsamen Vortemperierkreislaufes vorgegeben bzw. eingestellt. Diese Regelungseinheit wertet die von Temperatursensoren 18 gemessenen Temperaturen des Fluids aus und stellt die Solltemperatur des Fluids für den gemeinsamen Vortemperierkreislauf ein.The position of the
Des Weiteren ist aus der
Die vorstehend beschriebene Erfindung stellt nach alledem eine neue Schließfachanlage bereit, welche zusätzlich zu den üblichen Funktionen bekannter Schließfachanlagen, beispielsweise der in der
Bei einer Schließfachanlage gemäß der Erfindung weisen die einzelnen Schließfächer der Schließfachanlage jeweils ein oder mehrere Peltier-Elemente auf, mittels welcher je nach Bedarf eine Erwärmung oder eine Kühlung des jeweiligen Schließfaches erfolgen kann. Zur Vergrößerung des Temperaturbereiches, in welchem die Schließfachanlage arbeiten kann, werden diese Peltier-Elemente jeweils an einen gemeinsamen Vortemperierkreislauf angeschlossen, welcher zur Versorgung der Peltier-Elemente mit einem temperierten Fluid ausgebildet ist. Der gemeinsame Vortemperierkreislauf weist eine Heizvorrichtung und eine Kältemaschine auf, die je nach Bedarf in den gemeinsamen Vortemperierkreislauf eingeschaltet oder aus diesem entfernt werden können. Der gemeinsame Vortemperierkreislauf stellt unabhängig von der Umgebungstemperatur der Schließfachanlage allen Peltier-Elementen Fluid einer vorgegebenen, konstanten Temperatur zur Verfügung, gleicht also Außentemperaturschwankungen aus. Die einzelnen Peltier-Elemente können auf Basis der Fluidtemperatur individuell für jedes Schließfach unabhängig von der Außentemperatur der Schließfachanlage eine gewünschte Temperatur im jeweiligen Schließfach realisieren.In a locker system according to the invention, the individual lockers of the locker system each have one or more Peltier elements, by means of which ever If required, heating or cooling of the respective locker can take place. To increase the temperature range in which the locker system can work, these Peltier elements are each connected to a common Vortemperierkreislauf, which is designed to supply the Peltier elements with a tempered fluid. The common Vortemperierkreislauf has a heater and a chiller, which can be turned on or removed as needed in the common Vortemperierkreislauf. The common Vemperemperierkreislauf provides independent of the ambient temperature of the locker system all Peltier elements fluid of a predetermined, constant temperature available, so compensates for outside temperature fluctuations. The individual Peltier elements can realize a desired temperature in the respective locker individually for each locker, independently of the outside temperature of the locker system, based on the fluid temperature.
Die Solltemperaturen für die einzelnen Schließfächer und auch die Temperatur des Fluids werden von der zentralen Steuereinheit vorgegeben. Dadurch kann auch eine Verbesserung der Energieeffizienz erreicht werden.The setpoint temperatures for the individual lockers and also the temperature of the fluid are predetermined by the central control unit. As a result, an improvement in energy efficiency can be achieved.
Die zentrale Steuereinheit kann bei geringer Auslastung/Nutzung der Schließfachanlage bei nichtbelegten Schließfächern die Temperierung der nicht belegten Schließfächer ausschalten, um Energie einzusparen.The central control unit can switch off the temperature of the unoccupied lockers at low utilization / use of the locker system with unoccupied lockers to save energy.
Einzelne Schließfächer oder Schließfachmodule können auch unter Verwendung von Ventilen vom Temperierprozess abgetrennt werden, wenn deren Temperierung nicht notwendig ist. Dies kann sowohl manuell als auch über die zentrale Steuereinheit erfolgen.Individual lockers or locker modules can also be separated using valves from the tempering process, if the temperature is not necessary. This can be done both manually and via the central control unit.
Vorzugsweise sind die einzelnen Schließfächer oder Schließfachmodule derart aufgebaut, dass die Schließfachanlage beliebig erweitert werden kann. Diese Erweiterung kann auch derart erfolgen, dass die Schließfachanlage sowohl temperierbare Schließfächer als auch nicht temperierbare Schließfächer aufweist.Preferably, the individual lockers or locker modules are constructed such that the locker system can be extended as desired. This extension can also be made such that the locker system has both temperature-controlled lockers and non-temperature-controlled lockers.
Die Temperiermittel eines Schließfaches können auch in Form eines Zusatzbauteils zu einem herkömmlichen Schließfach realisiert sein. In diesem Fall haben die temperierbaren Schließfächer der Schließfachanlage dieselben Abmessungen wie die nicht temperierbaren Schließfächer der Schließfachanlage.The temperature control means of a locker can also be realized in the form of an additional component to a conventional locker. In this case, the lockable lockers of the locker system have the same dimensions as the non-temperature-controlled lockers of the locker system.
Die Solltemperaturen für die einzelnen Schließfächer werden - wie es oben beschrieben wurde - durch die zentrale Steuereinheit vorgegeben. Diese Solltemperaturen können der zentralen Steuereinheit entweder vom Betreiber der Schließfachanlage vorgegeben werden oder auch während des Betriebes der Schließfachanlage geändert werden. Dies kann über ein Netzwerk erfolgen oder auch direkt an der Schließfachanlage über eine Management-Funktion.The setpoint temperatures for the individual lockers are - as described above - predetermined by the central control unit. These setpoint temperatures can be specified to the central control unit either by the operator of the locker system or even changed during operation of the locker system. This can be done over a network or directly at the locker system via a management function.
Die zentrale Steuereinheit kann beispielsweise auch vorgeben, dass stets eine vorgegebene Anzahl von Schließfächern eines bestimmten Temperaturbereiches unbelegt sein muss. Wird ein freies Schließfach belegt, dann kann die Steuereinheit einem freien, bis dahin unbelegten Fach eine neue Solltemperatur dieses bestimmten Temperaturbereiches zuweisen, um die Vorgabe, stets eine vorgegebene Anzahl von Schließfächern eines bestimmten Temperaturbereiches vorrätig zu haben, zu erfüllen.For example, the central control unit can also specify that always a predetermined number of lockers of a specific temperature range must be unoccupied. If a free locker occupied, then the control unit can assign a free, hitherto unoccupied compartment a new setpoint temperature of this particular temperature range to meet the requirement to always have a predetermined number of lockers of a certain temperature range in stock.
Bei sogenannten Last-Mile-Systemen, bei denen eine Warenanlieferung durch einen Beschicker und eine Warenentnahme durch einen Abholer erfolgt und bei denen im Voraus bestimmte Schließfächer über ein Netzwerk reserviert werden, kann vorab ein gewünschter Temperaturbereich für die Fächer eingestellt werden. Die zentrale Steuereinheit reserviert die Schließfächer der Schließfachanlage und gibt die ausgewählte Solltemperatur vor. Die Auswahl der Temperatur kann auch unter Verwendung einer Datenbank und einer Vorgabe des zukünftigen Inhalts eines Schließfaches erfolgen. So kann beispielsweise vorab ausgewählt werden, dass ein bestimmtes Schließfach in Bälde mit Obst und Gemüse belegt wird. In der genannten Datenbank ist der jeweiligen Ware eine zugehörige Temperatur, beispielsweise +7°C, zugeordnet. Durch eine Auswahl der Ware wird dementsprechend von der zentralen Steuereinheit der Anlage ein Schließfach ausgewählt und reserviert, welche die erforderlichen Kriterien wie Fachgröße und Temperatur erfüllt.In so-called last-mile systems, in which a goods delivery by a feeder and a removal of goods takes place by a collector and in which certain lockers are reserved via a network in advance, a desired temperature range for the subjects can be set in advance. The central control unit reserves the lockers of the locker system and gives the selected setpoint temperature. The selection of the temperature can also be made using a database and a specification of the future content of a locker. For example, it can be selected in advance that a particular locker will soon be covered with fruit and vegetables. In the database mentioned the respective product is associated with an associated temperature, for example + 7 ° C. By selecting the goods, a locker is accordingly selected and reserved by the central control unit of the system, which meets the required criteria such as compartment size and temperature.
Alternativ dazu kann die zentrale Steuereinheit ein neues Schließfach, welches die erforderliche Größe hat, auswählen und durch eine Änderung der Solltemperatur auf die jeweils notwendige Temperatur bringen.Alternatively, the central control unit, a new locker, which has the required size, select and bring by changing the set temperature to the required temperature.
Gemäß einer weiteren Ausführungsform kann beim Vorliegen einer Schließfachanlage, bei welcher der Endnutzer seine bisherigen Einkäufe vorübergehend lagern möchte, der Endbenutzer selbst eine zur Lagerung seiner bisherigen Einkäufe geeignete Schließfachtemperatur an der Bedieneinheit der Schließfachanlage einstellen.According to a further embodiment, in the presence of a locker system in which the end user wishes to temporarily store his previous purchases, the end user himself can set a locker temperature suitable for storing his previous purchases on the operating unit of the locker system.
Des Weiteren ist in vielen Fällen die Ware, die in einem Schließfach der Schließfachanlage deponiert werden soll, mit einem Barcode oder einem RFID-Chip versehen. Weist die Schließfachanlage ein entsprechendes Lesegerät auf, dann kann durch Auslesen des Barcodes bzw. des RFID-Chips die Ware identifiziert und eine geeignete Lagertemperatur über eine Datenbank ermittelt werden. Anschließend wird dem Nutzer ein Schließfach mit der korrekten Temperatur vorgeschlagen und beispielsweise auch sogleich automatisch geöffnet.Furthermore, in many cases, the goods that are to be deposited in a locker of the locker system, provided with a bar code or an RFID chip. If the locker system has a corresponding reading device, the goods can be identified by reading the barcode or the RFID chip and a suitable storage temperature can be determined via a database. Subsequently, the user is proposed a locker with the correct temperature and, for example, immediately opened automatically.
Alternativ dazu kann die zu einer Lagerung der Ware geeignete Temperatur auch im Barcode oder dem RFID-Chip der Ware selbst codiert sein, so dass es keiner Datenbank zur Ermittlung einer geeigneten Lagertemperatur bedarf.Alternatively, the temperature suitable for storage of the goods in the barcode or the RFID chip of the Goods themselves be coded, so that it requires no database to determine a suitable storage temperature.
Eine vorteilhafte Weiterbildung der Erfindung besteht darin, die zentrale Steuereinheit derart auszubilden, dass sie in einem Falle, bei dem ein Schließfach mit unterschiedliche Waren beschickt wird, diese Waren anhand der Barcodes oder der RFID-Chips identifiziert und dem Nutzer eine Aufteilung der Waren auf verschiedene Schließfächer, von denen jedes die zur Lagerung des jeweiligen Produktes geeignete Temperatur aufweist, vorschlägt.An advantageous development of the invention is to design the central control unit in such a way that, in a case in which a locker is loaded with different goods, these goods are identified on the basis of the barcodes or the RFID chips and the user has a distribution of the goods into different ones Lockers, each of which has the appropriate temperature for storage of the product, proposes.
Jedes Schließfach ist in vorteilhafter Weise mit einem Türsensor ausgestattet, der den Öffnungszustand der Tür des Schließfachs überwacht. Steht eine Schließfachtür zu lange offen, dann kann von der Steuereinheit ein optisches oder akustisches Warnsignal abgegeben werden, damit der Benutzer die Schließfachtür baldmöglichst wieder verschließt.Each locker is advantageously equipped with a door sensor which monitors the opening state of the door of the locker. If a locker door is open too long, then the control unit can issue an optical or acoustic warning signal so that the user closes the locker door again as soon as possible.
Beim Überschreiten einer vorgegebenen Zeit des Offenstehens einer Schließfachtür kann die zentrale Steuereinheit in vorteilhafter Weise die Temperiervorrichtung dieses Schließfaches außer Betrieb setzen, um eine Energieverschwendung zu vermeiden. Des Weiteren kann über die zentrale Steuereinheit und/oder ein angeschlossenes Netzwerk ein Hinweis über die nicht geschlossene Schließfachtür an den Betreiber der Schließfachanlage gemeldet werden, beispielsweise in Form eines automatischen Telefonanrufs, einer SMS, einer E-Mail oder einer Push-Benachrichtigung.When exceeding a predetermined time of open a locker door, the central control unit can advantageously put the temperature control of this locker out of order to avoid energy waste. Furthermore, via the central control unit and / or a connected network an indication of the non-closed locker door can be reported to the operator of the locker system, for example in the form of an automatic telephone call, SMS, e-mail or push notification.
Ein außer Betrieb gesetztes Schließfach steht für einen Kunden erst dann wieder zur Verfügung, wenn dieses Schließfach geschlossen wurde und im Inneren des Schließfaches wieder die Solltemperatur vorliegt.A put out of operation locker is only available to a customer again when this locker has been closed and inside the locker is again the set temperature.
Ein außer Betrieb gesetztes Schließfach wird mittels eines im Bedienbereich der Schließfachanlage vorgesehenen Display als gesperrt angezeigt.A locked out locker is indicated by means of a provided in the operating area of the locker system display as locked.
Gemäß einer vorteilhaften Ausgestaltung der Erfindung ist die Steuereinheit derart ausgebildet, dass sie die Dauer der Lagerung einer Ware in einem Schließfach überwacht und ein Warnsignal ausgibt, wenn die Dauer der Lagerung eine vorgegebene Zeitdauer überschreitet. Die Steuereinheit kann dieses Warnsignal beispielsweise durch automatische Aussendung eines Nachrichtensignals an den Betreiber der Schließfachanlage und/oder an den jeweiligen Endkunden aussenden. Der Empfänger des Warnsignals hat dann die Möglichkeit, für eine Entnahme der Ware aus dem jeweiligen Schließfach Sorge zu tragen und dadurch ein Verderben der Ware zu vermeiden.According to an advantageous embodiment of the invention, the control unit is designed such that it monitors the duration of storage of a product in a locker and outputs a warning signal when the duration of storage exceeds a predetermined period of time. The control unit can emit this warning signal, for example, by automatic transmission of a message signal to the operator of the locker system and / or to the respective end customer. The receiver of the warning signal then has the opportunity to take care for a removal of the goods from the respective locker and thereby avoid spoilage of the goods.
Eine andere vorteilhafte Ausgestaltung der Erfindung besteht darin, die Schließfächer der Schließfachanlage jeweils von innen entriegelbar auszubilden. Dies erhöht die Sicherheit der Schließfachanlage, da beispielsweise eine unter Anwendung von Gewalt in einem Schließfach eingesperrte Person die Möglichkeit hat, sich aus dem Schließfach zu befreien.Another advantageous embodiment of the invention is to form the lockers of the locker system each unlocked from the inside. This increases the security of the locker system, since, for example, a person locked in a locker using force has the opportunity to free himself from the locker.
- 11
- Gehäusecasing
- 22
- Türdoor
- 33
- Isolationsschichtinsulation layer
- 44
- Peltier-ElementPeltier element
- 55
- Aluminiumblockaluminum block
- 66
- Kühlrippencooling fins
- 77
- LüfterFan
- 88th
- Temperatursensortemperature sensor
- 99
- Rohrpipe
- 1010
- Rohrleitungenpiping
- 1111
- Rohrpipe
- 1212
- Verdichtercompressor
- 1313
- Kondensatorcapacitor
- 1414
- Drosselthrottle
- 1515
- VentilValve
- 1616
- Pumpepump
- 1717
- Heizvorrichtungheater
- 1818
- Temperatursensortemperature sensor
- 1919
- Schließfachlocker
- 2020
- Bedienbereichoperating area
- 2121
- Steuereinheitcontrol unit
- 2222
- Regelungseinheitcontrol unit
- HLHL
- Halbleitersemiconductor
- KK
- Keramikceramics
- MBMB
- Metallbrückemetal bridge
- Stromquellepower source
- bb
- Bediensignalecontrol signals
- ee
- Einstellsignalesetting signals
- ss
- Sensorsignalesensor signals
Claims (18)
- Locker system comprising several lockers, wherein each of these lockers (19) is provided with a temperature control device (4, 5, 6, 7), the temperature control device contains one or more Peltier elements (4), characterized in that the Peltier elements are connected to a common pre-temperature control circuit (9-18), which is made for supplying the Peltier elements by means of a tempered fluid, and that the common pre-temperature control circuit comprises a heating device (17) and a refrigerating machine (12, 13, 14), which are switchable into the common pre-temperature control circuit separately to bring the fluid to a desired temperature, wherein the common pre-temperature control circuit (9-18) is made for compensation of external temperature fluctuations and a fluid with a constant temperature is provided to the Peltier elements (4) independently of an ambient temperature via the common pre-temperature control circuit (9-18).
- Locker system according to claim 1, characterized in that the Peltier element (4) or the Peltier elements (4) are arranged in or on a wall of the respective locker (19) and each comprise an inner side and an outer side.
- Locker system according to claim 1 or 2, characterized in that the temperature of each locker (19) is individually increasable as well as reducible.
- Locker system according to one of the preceding claims, characterized in that the temperature control device of each of these lockers is individually switchable on and off.
- Locker system according to one of the preceding claims, characterized in that it comprises a control unit (21), which is configured to control the temperature control devices of the lockers.
- Locker system according to one of the preceding claims, characterized in that each of the temperature control devices are equipped with cooling fins (6).
- Locker system according to claim 6, characterized in that the cooling fins (6) are suppliable with air by a fan (7) each.
- Locker system according to one of the preceding claims, characterized in that the lockers comprise an insulating layer (3) each.
- Locker system according to one of the preceding claims, characterized in that a temperature sensor (8) is arranged in each locker.
- Locker system according to one of the preceding claims, characterized in that a regulation unit (22) is arranged in each locker.
- Locker system according to claim 10, characterized in that the regulation unit (22) is configured to compare a temperature setpoint of the respective locker specified by the control unit (21) with an actual temperature value of the respective locker provided by the temperature sensor (8) and to regulate the temperature control device of the respective locker to the specified temperature setpoint.
- Locker system according to one of the claims 1-9, characterized in that a regulation unit is allocated to a locker module consisting of one or more lockers and this regulation unit is configured to compare a preset temperature setpoint for the lockers of the locker module by the central control unit with an actual temperature value measured by a temperature sensor and to regulate the temperature control devices of the lockers of the locker module to the specified temperature setpoint.
- Locker system according to claim 5, characterized in that the control unit (21) is configured to preset a constant temperature for the heating device and the refrigerating machine.
- Locker system according to one of the preceding claims, characterized in that it is equipped with a reading device, which is configured to identify goods by reading a commodity code provided on the goods or their packaging, and in that the control unit uses the commodity code to determine a locker suitable for storing the goods.
- Locker system according to claim 14, characterized in that the reading device is a barcode reader or is configured to read out a RFID chip.
- Locker system according to claim 14 or 15, characterized in that the control unit is configured to output a signal by which the locker suitable for storing the goods is indicated to a user.
- Locker system according to claim 16, characterized in that the signaling occurs by an automatic opening of the door to the locker suitable for storing the goods.
- Locker system according to one of the preceding claims, characterized in that the control unit is configured in such a way to monitor the duration of storage of goods in a locker and to emit a warning signal if the duration of storage exceeds a predetermined period.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102013113996.5A DE102013113996B4 (en) | 2013-12-13 | 2013-12-13 | Locker system with a tempering device |
PCT/EP2014/075255 WO2015086292A1 (en) | 2013-12-13 | 2014-11-21 | Locker system with a temperature control device |
Publications (2)
Publication Number | Publication Date |
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EP3090414A1 EP3090414A1 (en) | 2016-11-09 |
EP3090414B1 true EP3090414B1 (en) | 2019-12-04 |
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EP14808533.5A Active EP3090414B1 (en) | 2013-12-13 | 2014-11-21 | Locker system with a temperature control device |
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EP (1) | EP3090414B1 (en) |
AU (1) | AU2014361101B2 (en) |
DE (1) | DE102013113996B4 (en) |
WO (1) | WO2015086292A1 (en) |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN108981269B (en) * | 2018-06-19 | 2023-09-15 | 华东交通大学 | Energy-saving fresh logistics preservation cabinet based on cold chain terminal district |
CN109360345A (en) * | 2018-12-24 | 2019-02-19 | 南京工程学院 | A kind of intelligence take-away temporary storage cabinet |
CN109606943A (en) * | 2019-01-24 | 2019-04-12 | 福建商学院 | A kind of logistics protective device and method that can be identified article and adjust environment |
CN111754697B (en) * | 2019-03-26 | 2022-02-22 | 顺丰科技有限公司 | Intelligent express cabinet and method for implementing intelligent storage |
US11607068B2 (en) | 2021-03-16 | 2023-03-21 | Ford Global Technologies, Llc | Defrost system for smart locker in package delivery |
CN113384083A (en) * | 2021-06-07 | 2021-09-14 | 烟台工程职业技术学院(烟台市技师学院) | Indoor cooling file cabinet based on Peltier principle |
CN113487804B (en) * | 2021-06-23 | 2022-07-26 | 深圳市顾客王科技有限公司 | Temperature control method of meal taking cabinet, meal taking cabinet and computer readable storage medium |
CN113294035A (en) * | 2021-06-25 | 2021-08-24 | 深圳小憨智能科技有限公司 | Cabinet lock control method and cabinet lock device of multi-door cabinet and intelligent terminal |
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US20040084527A1 (en) * | 2002-10-31 | 2004-05-06 | United Parcel Service Of America, Inc. | Systems and methods of inventory management utilizing unattended facilities |
Family Cites Families (7)
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DE10000830C2 (en) | 2000-01-12 | 2002-10-24 | Olaf Clausen | Procedure for depositing goods in at least one locker |
US6694217B2 (en) * | 2001-05-24 | 2004-02-17 | Breakthrough Logistics Corporation | Automated system for efficient article storage and self-service retrieval |
JP2003240405A (en) * | 2002-02-13 | 2003-08-27 | Sanki System Product Kk | Home delivery system locker |
DE10246650B4 (en) | 2002-10-07 | 2009-09-10 | Clausen, Olaf | Method for ordering and depositing goods and / or parcels in a locker system and device for carrying out the method |
DE10246649B4 (en) | 2002-10-07 | 2013-04-11 | Olaf Clausen | Device for receiving and removing consignments of all kinds and method therefor |
FR2941441A1 (en) * | 2009-01-29 | 2010-07-30 | Elisabeth Monteleone | Safe fresh products e.g. medicinal products, storage device for use in room in residential building, has compartments separated from one another by openwork partition for passage of cold air stream |
CN104471610A (en) * | 2012-05-18 | 2015-03-25 | 需求解决方案咨询私人有限公司 | System and method for object delivery and pickup |
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- 2013-12-13 DE DE102013113996.5A patent/DE102013113996B4/en not_active Expired - Fee Related
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- 2014-11-21 AU AU2014361101A patent/AU2014361101B2/en not_active Ceased
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US20040084527A1 (en) * | 2002-10-31 | 2004-05-06 | United Parcel Service Of America, Inc. | Systems and methods of inventory management utilizing unattended facilities |
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WO2015086292A1 (en) | 2015-06-18 |
AU2014361101A1 (en) | 2016-07-07 |
EP3090414A1 (en) | 2016-11-09 |
DE102013113996A1 (en) | 2015-06-18 |
AU2014361101B2 (en) | 2017-09-28 |
DE102013113996B4 (en) | 2015-10-29 |
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