WO2020093114A1 - Système et procédé automatique pour l'économie d'énergie selon des conditions ambiantes et d'autres paramètres techniques, à utiliser dans des systèmes à résistances pour le chauffage de vitres de présentoirs commerciaux réfrigérés ou congelés - Google Patents

Système et procédé automatique pour l'économie d'énergie selon des conditions ambiantes et d'autres paramètres techniques, à utiliser dans des systèmes à résistances pour le chauffage de vitres de présentoirs commerciaux réfrigérés ou congelés Download PDF

Info

Publication number
WO2020093114A1
WO2020093114A1 PCT/BR2018/050407 BR2018050407W WO2020093114A1 WO 2020093114 A1 WO2020093114 A1 WO 2020093114A1 BR 2018050407 W BR2018050407 W BR 2018050407W WO 2020093114 A1 WO2020093114 A1 WO 2020093114A1
Authority
WO
WIPO (PCT)
Prior art keywords
glass
module
microcontroller
pwm
frozen
Prior art date
Application number
PCT/BR2018/050407
Other languages
English (en)
Portuguese (pt)
Inventor
Bruno DA GRAGNANO
Original Assignee
Da Gragnano Bruno
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Da Gragnano Bruno filed Critical Da Gragnano Bruno
Priority to BR112021008952-7A priority Critical patent/BR112021008952A2/pt
Priority to PCT/BR2018/050407 priority patent/WO2020093114A1/fr
Publication of WO2020093114A1 publication Critical patent/WO2020093114A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/06—Removing frost
    • F25D21/08—Removing frost by electric heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/84—Heating arrangements specially adapted for transparent or reflecting areas, e.g. for demisting or de-icing windows, mirrors or vehicle windshields

Definitions

  • This patent application addresses a system that adjusts automatically to save energy consumed by the resistances used to heat glass used in refrigerated or frozen commercial displays, with the possibility of user programming regarding the percentage of savings margin It may also contain an optional display for viewing the saved percentage, particularly in refrigerated or frozen commercial displays with glass that have heating elements, which are responsible for the non-fogging of the glasses, using electronic engineering.
  • Document CN20400691 -4 published on 06/30/2014, describes a glass defogging device for a freezing cabinet.
  • the glass defogging device comprises the freezing compartment, a base and a glass, in which a cooling unit is arranged on the base;
  • the glass defogging device for the freezing cabinet is characterized by a fan being arranged at the bottom of one end of the freezing cabinet; an air chimney is formed on the outer wall of the freezing cabinet; the fan absorbs the heat generated by the cooling unit at the base; the hot air expelled from an air outlet in the air stack is blown into the glass for defogging.
  • the device defogging glass for the freezing cabinet has the advantage that a single layer of glass is used, the glass is directly blown using a hot air principle so that the glass does not have fog, in addition, energy is saved, the cost is reduced and the transparency of the glass is also improved.
  • the document US20140302329A1 published on 09/10/2014, describes articles whose embodiments can be, for example, skylights, vehicle windows or windshields, IG units, VIG units, refrigerator / freezer doors and / or the like. More particularly, it comprises: a coating supported by a glass substrate, wherein the coating comprises the following layers of thin films departing from the glass substrate, with the following arrangement: a layer comprising silicon oxinitride; a transparent conductive layer comprising indium tin oxide; an inclusive contact layer of silicon; wherein the coating is arranged on an outer surface of the glass substrate, such that the coating is to be exposed to an external environment, and the coating has a hemispheric emissivity of less than 0.23 and a sheet resistance of less than 30 ohms /square.
  • the present invention aims to reduce the consumption of this system, according to the relative humidity of the air and optionally, also with the temperature, employing an innovative system, via electronic engineering solution, where, it still collaborates in a substantial way with the electricity saving , fundamental nowadays.
  • Another objective of the invention is to allow the user to program the percentage of savings margin.
  • Another possibility which can be considered as an objective of the invention, consists of placing a display to visualize the saved percentage.
  • the system has as a differential, in relation to the state of the art, to enable energy consumption savings automatically, and may include a display or other visual devices to notify the user of the percentage saved, relative humidity of the air and also the temperature, particularly this system aimed at use in refrigerated or frozen displays that use resistances to heat the glass, in order to avoid the condensation of humidity of the ambient air on the external surface of the display glass, with “fine adjustment” that can be configured by the user himself, in order to maintain the maximum efficiency of the system, taking into account several factors that could possibly interfere with the efficiency of the system, such as, for example, the internal temperature that a certain exhibitor needs to maintain, the thickness and dimension glass, the strength of the resistance, the ambient temperature, the circulation air / ventilation, among others.
  • DESCRIPTION OF THE DRAWINGS DESCRIPTION OF THE DRAWINGS
  • FIGURE 1 Shows the flowchart of realization of the present invention, with its essential components
  • FIGURE 2 Shows the flowchart of realization of the present invention, generating greater detail of the circuit with microcontroller;
  • FIGURE 3 Shows the flowchart of realization of the present invention, generating greater detail of the programmed microcontroller
  • FIGURE 4 Shows the software routine according to the invention.
  • resistances (1) which have the purpose of not letting them fog up the glass of such displays, as it keeps the glass heated at appropriate temperatures to avoid reaching the “dew point” (condensation of moisture present in the air) on the outer surface of the glass, since, without such resistance (1), the glass would be at colder temperatures than the environment, causing condensation and, consequently, blurring "the glass and disturbing the display of products for sale within the exhibitors.
  • the system consists of a humidity sensor (2), a power supply (3) (internal or external), a circuit with microcontroller (4) properly programmed and a PWM driver (5) to be dimmed. used to dim resistors (1) supplied with AC voltage or DC voltages, in addition to a “fine adjustment” button (6). Temperature sensors (7) (internal, external or glass surface) are optionally connected to the microcontroller (10).
  • the microcontroller circuit control board (4) contains a voltage regulator and filter (9), a programmed microcontroller (10) and an optical coupler (1 1), this coupled to the dimming PWM driver (5) .
  • the programmed microcontroller (10) includes one or more pins programmed to receive data, which are read by the data reading block (12), receiving information from the humidity sensor (2) and / or temperature sensors ( 7), said data reading block (12) sends information to the data processing and calculations block (13) for output percentage conversion (PWM), according to the data received from the mentioned sensors.
  • the data processing and calculation block (13) also receives input from the calculation variable change block for PWM conversion (14), which is triggered by an interruption generated by the “fine-tuning” button (6) , changing the calculation variables. From the data processing and calculation block (13), the output to the data output block (15) (PWM output status information and data obtained by the sensors) is provided, which goes to the digital display (8).
  • the PWM signal follows from the data processing and calculation block (13) to the optical coupler (11).
  • the temperature sensor (7) sends the information to the circuit with microcontroller (4) that is present on the control board, which, in turn, reads this information and sends the most appropriate dimming percentage to the output PWM, in order to properly dim the resistance load (1), saving energy.
  • Parameters such as: design, glass dimension, thickness and others, can determine the need, or recommendation, of more than one temperature sensor (7) per exhibitor.
  • the power supply (3) (internal or external) supplies all integrated devices.
  • the relative humidity sensor (2) of the air sends the humidity information present in the ambient air, where the exhibitor is, to the microcontroller (10) that is on the control board.
  • the programmed microcontroller (10) sends a PWM output signal (pulse width modulation) to the dimming PWM driver (5), thus dimming the load on the resistor (1), or that is, reducing percentage of the resistance consumption (1), according to the humidity sensor reading (2).
  • a PWM output signal pulse width modulation
  • two temperature sensors (7) can optionally be connected to the microcontroller (10), in addition to having a digital display (8) or other luminous / visual indication device, to inform the user of the percentage saved, as well as the relative humidity of the air and the temperature (s).
  • the system also allows the use of two temperature sensors (7) in addition to the humidity sensor (2), where one temperature sensor (7) is installed inside the exhibitor and the other is installed outside the said one. exhibitor.
  • the temperature sensors (7) also communicate with the microcontroller (10), sending the internal and external temperature data.
  • the system allows to use, instead of two temperature sensors (7), only one temperature sensor (7) attached to the glass on the outside of the exhibitor, in order to measure the temperature on the external surface of the glass.
  • This temperature sensor (7) has one side with thermal insulation to prevent the measurement of the external temperature (of the environment) and the other side without thermal insulation, which side is leaning against the glass, so that only the temperature of the glass surface is measure.
  • the temperature sensor (7) sends information to the programmed microcontroller (10) that is present on the control board, which, in turn, reads this information and sends the most appropriate dimming percentage to the PWM output, in order to properly dim the load on the resistor (1), saving energy.
  • the system also allows the user to make an adjustment of the percentage of saving margin, that is, a “fine adjustment” (6), with the maximum possible energy savings according to the parameters of the exhibitor itself (internal temperature of the exhibitor, glass thickness, glass size, power of the resistance installed in it, etc.) and the place where the exhibitor will be installed (ventilation / air circulation, temperature, etc.).
  • a fine adjustment (6)
  • the system makes it possible for this adjustment to be made by the user himself, using a pulsating or even rotary type button.
  • FIG 4 shows the software according to the invention, where the main program (16) and interruption routine (17) can be verified, which communicate in two ways.
  • the main program (16) includes a module (18) for reading data from the sensor (s), assigning that data (s) to its respective variable (s) , sending command to the module (19) that reads the variable “adjustment” in the EPROM memory, passing to the module (20) that performs the calculations according to formulas already programmed, based on all variables, with the module (20) succeeding the module (21) that sends the result in PWM percentage to the PWM output, whereas the module (22) sends the information to the digital display (8) or other visual signaling devices (leds, for example); module (22) returns to module (18).
  • a module (18) for reading data from the sensor (s), assigning that data (s) to its respective variable (s) , sending command to the module (19) that reads the variable “adjustment” in the EPROM memory, passing to the module (20) that performs the calculations according to formulas already programme
  • the interruption routine (17) has a module (23) of “interruption in the detected adjustment button” (interruption signal detected), which connects to the module (24) that changes the variable “adjustment” for the PWM conversion calculation, followed by the module (25) that writes the “adjustment” variable to the EEPROM memory, while the module (26) returns to the main program (16).
  • the consumption of such resistances (1) is considerably high, and can, for example, reach close to 1,000 W in a refrigerated / frozen display with only four doors.
  • the proposed system aims to save automatically, which can normally vary between 15% and 85% of energy savings.
  • the invention refers to a very simple, low-cost system that eliminates the need to use computers or other more complex and high-cost systems. Also, due to its low cost, it makes it possible to apply it in exhibitors from the simplest to the most robust and expensive, always saving energy.

Abstract

La présente demande de brevet d'invention concerne un système qui se règle automatiquement pour économiser l'énergie consommée par les résistances utilisées pour le chauffage de vitres employées dans des présentoirs commerciaux réfrigérés ou congelés, avec possibilité de programmation de l'utilisateur quant au pourcentage de marge d'économie, pouvant également comprendre un afficheur facultatif pour la visualisation du pourcentage économisé, de l'humidité relative de l'air ambiant, de la température intérieure et extérieure, notamment dans des présentoirs commerciaux réfrigérés ou congelés à vitres possédant des résistances pour le chauffage, ces résistances permettant d'éviter la condensation des vitres, faisant appel à l'ingénierie électronique. Le système comprend un capteur d'humidité (2), une source d'alimentation (3) (interne ou externe), une plaque de commande de circuit avec microcontrôleur (4) dûment programmé et un circuit de commande PWM (5) de dimérisation, à utiliser pour dimériser les résistances (1) alimentées avec tension CA ou en tensions CC, outre un bouton pour "réglage fin" (6). Facultativement, des capteurs de température (7) (interne, externe ou surface de vitre) sont connectés au microcontrôleur (10).
PCT/BR2018/050407 2018-11-07 2018-11-07 Système et procédé automatique pour l'économie d'énergie selon des conditions ambiantes et d'autres paramètres techniques, à utiliser dans des systèmes à résistances pour le chauffage de vitres de présentoirs commerciaux réfrigérés ou congelés WO2020093114A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BR112021008952-7A BR112021008952A2 (pt) 2018-11-07 2018-11-07 sistema e método automático para economia de energia de acordo com condições ambientes e outros parâmetros técnicos para ser utilizado em sistemas com resistências para aquecimento de vidros de expositores comerciais refrigerados ou congelados.
PCT/BR2018/050407 WO2020093114A1 (fr) 2018-11-07 2018-11-07 Système et procédé automatique pour l'économie d'énergie selon des conditions ambiantes et d'autres paramètres techniques, à utiliser dans des systèmes à résistances pour le chauffage de vitres de présentoirs commerciaux réfrigérés ou congelés

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/BR2018/050407 WO2020093114A1 (fr) 2018-11-07 2018-11-07 Système et procédé automatique pour l'économie d'énergie selon des conditions ambiantes et d'autres paramètres techniques, à utiliser dans des systèmes à résistances pour le chauffage de vitres de présentoirs commerciaux réfrigérés ou congelés

Publications (1)

Publication Number Publication Date
WO2020093114A1 true WO2020093114A1 (fr) 2020-05-14

Family

ID=70611446

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/BR2018/050407 WO2020093114A1 (fr) 2018-11-07 2018-11-07 Système et procédé automatique pour l'économie d'énergie selon des conditions ambiantes et d'autres paramètres techniques, à utiliser dans des systèmes à résistances pour le chauffage de vitres de présentoirs commerciaux réfrigérés ou congelés

Country Status (2)

Country Link
BR (1) BR112021008952A2 (fr)
WO (1) WO2020093114A1 (fr)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145893A (en) * 1977-06-29 1979-03-27 Kysor Industrial Corporation Diversion defrost display cabinet
US4347710A (en) * 1979-12-07 1982-09-07 Tyler Refrigeration Corporation Glass door merchandizer with tertiary air band
US6629422B2 (en) * 2001-06-07 2003-10-07 Keith E. Wellman Sequential defrosting of refrigerated display cases
KR20030081927A (ko) * 2002-04-15 2003-10-22 조현옥 냉장 쇼케이스
WO2008064179A2 (fr) * 2006-11-17 2008-05-29 Shelf Control, Inc. Systèmes et procédés pour réguler l'éclairage, la réfrigération,et l'énergie utilisés dans un magasin
EP1667556B1 (fr) * 2003-10-01 2008-08-20 Schott Termofrost AB Systeme de refroidissement
US20090090114A1 (en) * 2007-10-09 2009-04-09 Nico Technology Ltd. Refrigeration control device to reduce power consumption of a refrigeration appliance
CN102519220A (zh) * 2011-09-14 2012-06-27 合肥美的荣事达电冰箱有限公司 冰箱及冰箱的冷藏室的湿度控制方法
WO2014008183A1 (fr) * 2012-07-06 2014-01-09 Guardian Industries Corp. Procédé d'élimination de la condensation sur une porte de réfrigérateur/congélateur
CN104374141A (zh) * 2014-11-14 2015-02-25 西安交通大学 一种冰箱捕霜板及其除霜提示系统和控制方法
EP1793186B1 (fr) * 2001-03-13 2015-09-09 Panasonic Corporation Réfrigérateur
KR101643890B1 (ko) * 2015-04-16 2016-07-29 한국알프스 주식회사 냉장고 제상 제어 장치 및 방법
WO2017183159A1 (fr) * 2016-04-21 2017-10-26 三菱電機株式会社 Réfrigérateur
EP3124898B1 (fr) * 2015-07-27 2018-08-15 Illinois Tool Works, Inc. Système et procédé de commande d'unités de réfrigérateurs et de congélateurs afin de réduire l'énergie consommée

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145893A (en) * 1977-06-29 1979-03-27 Kysor Industrial Corporation Diversion defrost display cabinet
US4347710A (en) * 1979-12-07 1982-09-07 Tyler Refrigeration Corporation Glass door merchandizer with tertiary air band
EP1793186B1 (fr) * 2001-03-13 2015-09-09 Panasonic Corporation Réfrigérateur
US6629422B2 (en) * 2001-06-07 2003-10-07 Keith E. Wellman Sequential defrosting of refrigerated display cases
KR20030081927A (ko) * 2002-04-15 2003-10-22 조현옥 냉장 쇼케이스
EP1667556B1 (fr) * 2003-10-01 2008-08-20 Schott Termofrost AB Systeme de refroidissement
WO2008064179A2 (fr) * 2006-11-17 2008-05-29 Shelf Control, Inc. Systèmes et procédés pour réguler l'éclairage, la réfrigération,et l'énergie utilisés dans un magasin
US20090090114A1 (en) * 2007-10-09 2009-04-09 Nico Technology Ltd. Refrigeration control device to reduce power consumption of a refrigeration appliance
CN102519220A (zh) * 2011-09-14 2012-06-27 合肥美的荣事达电冰箱有限公司 冰箱及冰箱的冷藏室的湿度控制方法
WO2014008183A1 (fr) * 2012-07-06 2014-01-09 Guardian Industries Corp. Procédé d'élimination de la condensation sur une porte de réfrigérateur/congélateur
CN104374141A (zh) * 2014-11-14 2015-02-25 西安交通大学 一种冰箱捕霜板及其除霜提示系统和控制方法
KR101643890B1 (ko) * 2015-04-16 2016-07-29 한국알프스 주식회사 냉장고 제상 제어 장치 및 방법
EP3124898B1 (fr) * 2015-07-27 2018-08-15 Illinois Tool Works, Inc. Système et procédé de commande d'unités de réfrigérateurs et de congélateurs afin de réduire l'énergie consommée
WO2017183159A1 (fr) * 2016-04-21 2017-10-26 三菱電機株式会社 Réfrigérateur

Also Published As

Publication number Publication date
BR112021008952A2 (pt) 2021-08-10

Similar Documents

Publication Publication Date Title
CN101438908B (zh) 陈列柜
CN101438909B (zh) 陈列柜
US10655904B2 (en) Merchandiser including frame heaters
US8319936B2 (en) Display device with cooling control
JP4858305B2 (ja) 湿度検出装置および車両用空調装置
RU2505948C2 (ru) Незапотевающая тепловырабатывающая стеклянная система и способ управления ею
KR20090042336A (ko) 냉장고 또는 냉동기와 같은 냉장 장치용 도어 및 냉장 장치
WO2020093114A1 (fr) Système et procédé automatique pour l'économie d'énergie selon des conditions ambiantes et d'autres paramètres techniques, à utiliser dans des systèmes à résistances pour le chauffage de vitres de présentoirs commerciaux réfrigérés ou congelés
BR102018072725A2 (pt) Sistema e método automático para economia de energia de acordo com condições ambientes e outros parâmetros técnicos para ser utilizado em sistemas com resistências para aquecimento de vidros de expositores comerciais refrigerados ou congelados
JP3211237U (ja) ワインセラー
ES2632581T3 (es) Controlador de ajuste de vatios para un dispositivo de almacenamiento con temperatura controlada de vidrio calentado
US20070193997A1 (en) Cooling system
KR0134876B1 (ko) 항온 진열장
KR19990017486A (ko) 냉장고의 이슬맺힘 방지장치
SE500693C2 (sv) Dörr för kyl- och frysutrymmen
CN207501547U (zh) 防雾冷藏中空钢化玻璃门
JP2000320949A (ja) 冷蔵ショーケース
TWI392839B (zh) 具有溫度補償調整的除霧省能控制裝置
GB2523686A (en) Refrigerator having a refrigeration compartment
US20230333423A1 (en) Fan control for electronic display assemblies
JP2024012055A (ja) 扉装置、ショーケースおよびその制御方法
JP2004229778A (ja) 温蔵ショーケースの加熱制御装置
WO2020170421A1 (fr) Réfrigérateur
JPH0293682A (ja) 液晶表示装置
TWM558339U (zh) 露點控制裝置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18939647

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

REG Reference to national code

Ref country code: BR

Ref legal event code: B01A

Ref document number: 112021008952

Country of ref document: BR

ENP Entry into the national phase

Ref document number: 112021008952

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20210507

122 Ep: pct application non-entry in european phase

Ref document number: 18939647

Country of ref document: EP

Kind code of ref document: A1