CN206113457U

CN206113457U - Refrigerator

Info

Publication number: CN206113457U
Application number: CN201620634743.9U
Authority: CN
Inventors: 李彦玫; 蒋彬; 范志军; 宫春晖; 张文
Original assignee: Qingdao Haier Special Refrigerator Co Ltd
Current assignee: Qingdao Haier Special Refrigerator Co Ltd
Priority date: 2016-06-24
Filing date: 2016-06-24
Publication date: 2017-04-19
Anticipated expiration: 2026-06-24

Abstract

The utility model discloses a refrigerator has avoided installing and use of the loaded down with trivial details of manual operation and mechanical switch. Temperature sensor, electronic temperature controller, compressor and evaporation fan on the inside evaporimeter of refrigerator is personally experienced sth. Part of the body, is arranged in to the door, temperature sensor's signal output part connects electronic temperature controller, and compressor and evaporation fan are connected to electronic temperature controller's control output, temperature sensor need be close to the installation of the door body for temperature difference after the induction door body is opened, electronic temperature controller includes memory cell, electronic temperature controller for receive the difference in temperature signal that temperature sensor detected after the door body is opened, and will be based on difference in temperature signal open the door information recorded in memory cell, and for the control compressor reduces frequency of operation with the evaporation fan in the non - business hour section of learning based on the information of opening the door. Change through temperature in the refrigerator box of temperature sensor response comes the judge door body to open, has realized realizing energy -conserving set up of refrigerator in non - business hour section with the mode of electron control by temperature change.

Description

Refrigerator

Technical field

The invention belongs to refrigerator technical field, is to be related to one kind to realize control automatically in non operation time section specifically The refrigerator of energy-conservation processed.

Background technology

In occasions such as supermarket, markets, refrigerator is used for chilled beverage and food and other items and buys for customer.Compression in refrigerator Mechanism cold circulation system is used for reducing the temperature in cabinet, so that article keeps at refrigerated temperatures the tasty and refreshing sense of ice or freshness.

In the business hours section of customer's purchase, the frequency that refrigerator is unlocked is higher, and cooling gas leakage is more, is that Keep cool Temperature requirement, compressor cooling blood circulation needs to operate in a high frequency to keep low temperature；But in non operation time section, refrigerator is always It is closed without cooling gas leakage, then ensureing the cold preservation of refrigerator by compressor cooling blood circulation is without the need for altofrequency operating Temperature requirements, therefore, during non-business, it will usually take artificial regulation or automatic control means to reduce compressor operating frequency Rate, to reach the purpose of energy-conservation between the non-business term.

In the existing mode that energy saver mode is controlled during non-business, manual control needs management personnel in non-business Time period is to regulate and control energy saver mode manually, and cancels energy saver mode in business hours section, and this needs artificial fixed cycle operator, exists Gaps and omissions；Automatic control means are that mechanical switch is arranged on freezer door body, the switch that refrigerator controller passes through detection mechanical switch Frequency statistics business hours section and non operation time section, the operation that compressor, evaporation fan etc. are controlled in business hours section is protected Hold refrigerated storage temperature requirement, such as 2-7 degree；And stop the operation of compressor, evaporation fan etc. in non operation time section internal control stop, will Cold in-cabinet temperature modulates the 8-14 degree of standby mode, and the purpose of energy-conservation is reached with this, but this by detecting that machinery is opened The switching frequency of pass needs the additional mechanical switch part in refrigerator judging the mode of business condition, needs to realize that machinery is opened The circuit with control circuit is closed, this improves complex structural designs degree.

The content of the invention

This application provides a kind of refrigerator, in electronic temperature control mode the adjustment to refrigerator energy saver mode is realized, people is eliminated Loaded down with trivial details and mechanical switch for operation is installed and used.

To realize above-mentioned technique effect, the application is employed the following technical solutions and is achieved：

Propose a kind of refrigerator, including door body, the temperature sensor, the electronic temperature control that are placed in the refrigerator inner evaporator Device, compressor and evaporation fan；The signal output part of the temperature sensor connects the electronic thermostat, the electronic temperature control The control output end of device connects the compressor and the evaporation fan；The temperature sensor needs to be installed near the door body, For sensing the temperature contrast after the door body is opened；The electronic thermostat includes memory element；The electronic thermostat, For receiving the temperature signal that the temperature sensor is detected after door body unlatching, and by based on the temperature signal Enabling information record is in the memory element；And, for controlling the compressor and the evaporation fan based on described Operating frequency is reduced in the non operation time section that enabling information is known.

Further, the refrigerator also includes the alarm being connected with the electronic thermostat；The electronic thermostat, also For after the door body opening time exceedes Preset Time, controlling the alarm equipment alarm.

Further, the refrigerator also includes GPRS module；The electronic thermostat is based on after record enabling information The enabling information is sent to remote control terminal by the GPRS module so that the remote control terminal know it is described cold The working condition of cabinet.

Further, the refrigerator also includes bluetooth module；The electronic thermostat is based on after record enabling information The bluetooth module, by the enabling information intelligent terminal is sent to, so that the intelligent terminal is based on the enabling information Analyze the business datum of article in refrigeration, properties of product and/or the refrigerator of the refrigerator.

Compared with prior art, the advantage and good effect of the application is：The refrigerator that the application is proposed, by existing in refrigerator Perceiving the change of cabinet body temperature, under normal operating conditions, freezer door body is closed, and case body temperature is passed for some temperature sensors Sensor temperature sensor, the temperature information that electronic thermostat passes through reception temperature sensor, control compressor, the fortune of evaporation fan OK, temperature control and SAPMAC method control are realized；When customer opens door body moment, outside air is entered in casing, causes casing The change of interior temperature, the temperature of temperature sensor senses changes, and the induced signal transmission for characterizing the temperature change gives electricity Sub- temperature controller, time that electronic thermostat produces temperature signal and number of times etc. are being deposited based on the enabling information record of temperature signal In reservoir, enabling know business hours section and non operation time section based on enabling information, so as to realize that electronic thermostat exists Non operation time section automatically controls the compressor of refrigerator and evaporation fan and reduces operating frequency, so as to play the purpose of energy-conservation.Phase Than in the mode such as manual operation of the prior art or mechanical switch detection, the mode of the electronic temperature control is saved manual operation, is kept away The gaps and omissions of manual operation is exempted from, without extra mechanical switch and corresponding circuit connection acquisition door body switching signal, letter has been increased Refrigerator control structure is changed.

Enabling information can be sent to remote control terminal by GPRS module so that remote control terminal can be based on and open Door information knows the working condition of refrigerator, realizes intelligent remote management；Enabling information can also be sent to electricity by bluetooth module The intelligent terminal such as brain, mobile phone so that intelligent terminal is based on the refrigeration of enabling information analysiss refrigerator, properties of product and refrigerator Business datum of interior article etc., improves the efficiency to refrigerator management.

After the detailed description of the application embodiment is read in conjunction with the accompanying, other features of the application and advantage will become more Plus it is clear.

Description of the drawings

Fig. 1 is the freezer structure frame diagram that the application is proposed.

Specific embodiment

The specific embodiment of the application is described in more detail below in conjunction with the accompanying drawings.

The application is intended to not increase any mechanical switch and connection circuit, only with electronics temperature on the basis of existing case equipment The mode of control realizes the judgement that freezer door body is switched, enabling know switch time and the frequency of door body based on temperature signal, So as to know refrigerator business hours section in place of business and non operation time section, electronic thermostat controlled in non-business The operating frequency of compressor and evaporation fan is reduced in time period, so as to realize the energy-saving effect of refrigerator, compared to artificially on time Operation, the issuable gaps and omissions of the manual operation that the refrigerator can be prevented in the way of auto-adjustment control simultaneously saves manpower, phase Than in mechanical switch and circuit connection is installed in refrigerator, the mode of the auto-adjustment control simplifies freezer structure design, Save cost.

As shown in figure 1, the refrigerator includes door body 21, temperature sensor 22, the electronics temperature being placed in refrigerator inner evaporator Control device 23, evaporation fan 24 and compressor 29；The signal output part connection electronic thermostat of temperature sensor, electronic thermostat Control output end connects compressor and evaporation fan；Temperature sensor needs to be placed near door body, to guarantee accurately to obtain door Temperature contrast after body unlatching.

Under normal operating conditions, freezer door body is closed, the temperature in case body temperature sensor sensing refrigerator, electronic temperature control Device by receiving the temperature information of temperature sensor, realize temperature control and cold follow by control compressor, the operation of evaporation fan Ring is controlled.

When customer opens freezer door body moment, outside air is entered in casing, causes the change of case body temperature, temperature to pass The temperature of sensor sensing changes, and the induced signal transmission for characterizing the temperature change gives electronic thermostat.

Electronic thermostat 23 includes memory element, for receiving the temperature that temperature sensor 22 is detected after door body unlatching In difference signal, and the enabling information of temperature signal, including the information such as opening time, number of times will be based on, record and memory element.Temperature Difference signal indicates the unlatching of door body, then the electronic thermostat record enabling information, and can know refrigerator based on enabling information Business hours section and non operation time section such that it is able to realize in non operation time section control compressor and evaporation fan drop Low operating frequency, to reach the purpose of non operation time section energy-saving.

The refrigerator also includes alarm 25, and the alarm is connected with electronic thermostat 23, when electronic thermostat is based on temperature After difference signal knows that the door body of refrigerator is opened, after the door body opening time exceedes Preset Time, the electronic thermostat controls the report Alert device is reported to the police and sends warning, reminds staff or customer to close door body in time, it is to avoid to improve refrigerator operating power consumption.

The refrigerator also includes GPRS module 26 and/or bluetooth module 27；The record of electronic thermostat 23 enabling information it Afterwards, enabling information can be sent to by remote control terminal, such as smart mobile phone, PAD etc. based on the GPRS module 26 so that remote Process control terminal can know the working condition of refrigerator, facilitate remote management.Electronic thermostat 23 is gone back after record enabling information Enabling information can be sent to by intelligent terminal, such as computer, smart mobile phone etc. based on the bluetooth module 27 so that intelligent terminal Business datum of article etc. in refrigeration, properties of product and/or the refrigerator of information analysiss refrigerator can be thought based on opening the door, realized Intelligent and high-efficiency is managed.

Above-mentioned the application proposes refrigerator, causes the temperature contrast in refrigerator to be used as judging by freezer door body unlatching moment The signal of the unlatching of door body, compared to the design of existing mechanical switch, can not improve structure design is simplified and product cost The energy-conservation for realizing non operation time section is arranged, and plays the purpose of energy-conservation, also eliminate the uncertainty of manual operation and manpower into This, possesses dissemination.

It should be noted that described above is not limitation of the present invention, the present invention is also not limited to the example above, Change, remodeling, addition or replacement that those skilled in the art are made in the essential scope of the present invention, also should Belong to protection scope of the present invention.

Claims

1. a kind of refrigerator, including door body, the temperature sensor, electronic thermostat, the compression that are placed in the refrigerator inner evaporator Machine and evaporation fan；The signal output part of the temperature sensor connects the electronic thermostat, the control of the electronic thermostat Outfan processed connects the compressor and the evaporation fan；Characterized in that, the temperature sensor is needed near the door body Install, for sensing the temperature contrast after the door body is opened；

The electronic thermostat includes memory element；The electronic thermostat, for receiving the temperature sensor described The temperature signal that door body is detected after opening, and by the enabling information record based on the temperature signal in the memory element In；And, for controlling the compressor and the evaporation fan in the non operation time section known based on the enabling information Interior reduction operating frequency.

2. refrigerator according to claim 1, it is characterised in that the refrigerator also includes what is be connected with the electronic thermostat Alarm；The electronic thermostat, is additionally operable to after the door body opening time exceedes Preset Time, controls the alarm report It is alert.

3. refrigerator according to claim 1, it is characterised in that the refrigerator also includes GPRS module；The electronic temperature control The enabling information is sent to remote control terminal by device after record enabling information based on the GPRS module, so that The remote control terminal knows the working condition of the refrigerator.

4. refrigerator according to claim 1, it is characterised in that the refrigerator also includes bluetooth module；The electronic temperature control The enabling information, based on the bluetooth module, is sent to intelligent terminal, so that described by device after record enabling information Intelligent terminal is based on article in the refrigeration of refrigerator, properties of product and/or the refrigerator described in the enabling information analysiss Business datum.