CN113340045B

CN113340045B - Refrigerator management system

Info

Publication number: CN113340045B
Application number: CN202110516743.4A
Authority: CN
Inventors: 迟海鹏; 张怀东; 邢希学; 张京军; 龚长华
Original assignee: Beijing Dynaflow Experiment Technology Co Ltd
Current assignee: Beijing Dynaflow Experiment Technology Co Ltd
Priority date: 2021-05-12
Filing date: 2021-05-12
Publication date: 2022-11-01
Anticipated expiration: 2041-05-12
Also published as: CN113340045A

Abstract

The invention discloses a refrigerator management system, comprising: the power utilization information acquisition module is used for acquiring the power utilization information of the refrigerator; the compressor is arranged in the refrigerator and is used for refrigerating the inside of the refrigerator; the compressor state information acquisition module is arranged on the compressor and used for acquiring the compressor state information; a display module disposed outside the refrigerator; the first control module is respectively connected with the power utilization information acquisition module, the compressor state information acquisition module and the display module and is used for receiving the power utilization information sent by the power utilization information acquisition module; receiving the compressor state information sent by the compressor state information acquisition module; and controlling the display module to display the power utilization information and the compressor state information. Has the beneficial effects that: the working state of the compressor can be acquired in real time through the compressor state information acquisition module, and management is facilitated.

Description

Refrigerator management system

Technical Field

The invention relates to the technical field of management, in particular to a refrigerator management system.

Background

The cell room is a laboratory for culturing, preserving and managing microorganisms, the refrigerator inside the cell room is mainly a professional refrigerated cabinet for storing culture media, pancreatin and some important experimental reagents, and at present, the refrigerator inside the cell room cannot monitor the state information of a compressor in real time and is not very accurate in controlling the temperature inside the refrigerator.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the art described above. Therefore, the invention aims to provide a refrigerator management system, which can acquire the working state of a compressor in real time through a compressor state information acquisition module and is convenient to manage.

A refrigerator management system comprising:

the power utilization information acquisition module is used for acquiring the power utilization information of the refrigerator;

the compressor is arranged in the refrigerator and is used for refrigerating the interior of the refrigerator;

the compressor state information acquisition module is arranged on the compressor and used for acquiring the compressor state information;

a display module disposed outside the refrigerator;

the first control module is respectively connected with the electricity utilization information acquisition module, the compressor state information acquisition module and the display module and is used for:

receiving the electricity utilization information sent by the electricity utilization information acquisition module;

receiving the compressor state information sent by the compressor state information acquisition module;

and controlling the display module to display the electricity utilization information and the compressor state information.

Further, the refrigerator management system further includes:

and the cleaning reminding module is used for regularly reminding a user of cleaning the refrigerator.

Further, the refrigerator management system further includes:

the electronic lock is arranged on a refrigerator door of the refrigerator and used for locking/unlocking the refrigerator door;

the electronic lock state information acquisition module is arranged on the electronic lock and used for acquiring the state information of the electronic lock;

the radio frequency information acquisition module is used for acquiring radio frequency information sent by an intelligent bracelet worn by a user;

the first alarm module is arranged outside the refrigerator;

the first control module is respectively connected with the electronic lock, the electronic lock state information acquisition module, the radio frequency information acquisition module and the first alarm module, and is further used for:

receiving the electronic lock state information sent by the electronic lock state information acquisition module, and controlling the display module to display the electronic lock state information;

receiving radio frequency information sent by the radio frequency information acquisition module, calculating the matching degree of the radio frequency information and preset radio frequency information, judging whether the matching degree is greater than the preset matching degree, and controlling the electronic lock to unlock when the matching degree is determined to be greater than the preset matching degree;

otherwise, the first alarm module is controlled to send out a first alarm prompt.

Further, the refrigerator management system further includes:

the fault detection module is used for carrying out fault detection on the refrigerator to obtain a detection result;

the analysis module is connected with the fault detection module and used for receiving a detection result sent by the fault detection module, judging whether the refrigerator breaks down or not according to the detection result, determining a fault type when the refrigerator breaks down, generating a maintenance work order according to the fault type and sending the maintenance work order to the maintenance terminal and the storage module;

and the storage module is connected with the analysis module and used for receiving and storing the maintenance work order sent by the analysis module.

Further, the refrigerator management system further includes:

the reagent information acquisition module is used for acquiring reagent information when a user stores a reagent; the reagent information comprises a reagent name, a quality guarantee period, a stored reagent, a two-dimensional code, an attribution person, an attribution department and a use right;

and the RFID label pasting module is connected with the reagent information acquisition module and used for receiving the reagent information sent by the reagent information acquisition module, binding the reagent information and the RFID label and pasting the bound RFID label to the reagent.

Further, the refrigerator management system further includes:

the user information acquisition module is used for acquiring time information of the refrigerator used by a user and identity information of the user;

and the recording module is connected with the user information acquisition module and used for receiving and recording the time information and the identity information sent by the user information acquisition module.

Further, the refrigerator management system further includes:

the laser emission module is arranged in the refrigerator, is connected with the electronic lock state information acquisition module and is used for:

receiving electronic lock state information sent by the electronic lock state information acquisition module, transmitting a first laser signal to a preset area in the refrigerator when the electronic lock is determined to be in a locked state and reaches a first preset time length, and receiving a first reflection signal generated when the first laser signal reaches the preset area;

when the electronic lock is determined to be in a locked state and reaches a second preset time length, emitting a second laser signal to a preset area in the refrigerator, and receiving a second reflection signal generated when the second laser signal reaches the preset area; the second preset time length is longer than the first preset time length;

the signal processing module is connected with the laser emission module and is used for:

receiving a first reflection signal sent by the laser emission module, performing signal segmentation processing on the first reflection signal to obtain a plurality of sub first reflection signals, respectively calculating first intensities of the sub first reflection signals, screening out a maximum first intensity and a minimum first intensity, calculating to obtain a first difference value according to the maximum first intensity and the minimum first intensity, obtaining a first variation amplitude of the first reflection signal according to the first difference value, obtaining a first filter coefficient according to the first variation amplitude, and performing filter processing on the first reflection signal according to the first filter coefficient to obtain a third reflection signal;

receiving a second reflection signal sent by the laser emission module, performing signal segmentation processing on the second reflection signal to obtain a plurality of sub-second reflection signals, respectively calculating second intensities of the sub-second reflection signals, screening out the maximum second intensity and the minimum second intensity, calculating to obtain a second difference value according to the maximum second intensity and the minimum second intensity, obtaining a second variation amplitude of the second reflection signal according to the second difference value, obtaining a second filter coefficient according to the second variation amplitude, and performing filter processing on the second reflection signal according to the second filter coefficient to obtain a fourth reflection signal;

the heating compensator is arranged in the refrigerator and is used for heating and compensating the temperature in the refrigerator;

the second control module is respectively connected with the signal processing module, the compressor and the heating compensator and used for controlling the heating compensator to work;

receiving a third reflection signal sent by the signal processing module, and obtaining a first temperature value of the preset area according to the third reflection signal;

receiving a fourth reflection signal sent by the signal processing module, and obtaining a second temperature value of the preset area according to the fourth reflection signal;

judging whether the first temperature value is the same as the second temperature value, and taking the first temperature value or the second temperature value as an actual temperature value of a preset area when the first temperature value is determined to be the same as the second temperature value;

otherwise, calculating the temperature difference value between the first temperature value and the second temperature value;

inquiring a first preset data table according to the temperature difference value to obtain a first weight coefficient and a second weight coefficient corresponding to the temperature difference value; the first weight coefficient is a weight coefficient of the first temperature value; the second weight coefficient is a weight coefficient of the second temperature value; the sum of the first weight coefficient and the second weight coefficient is 1; carrying out weighted summation processing on the first temperature value and the second temperature value according to the first weight coefficient and the second weight coefficient to obtain an actual temperature value of a preset area;

comparing the actual temperature value of a preset area with a preset temperature value, and controlling a compressor to refrigerate the preset area when the actual temperature value is determined to be greater than the preset temperature value; and when the actual temperature value is determined to be smaller than the preset temperature value, controlling the heating compensator to perform heating compensation processing on the temperature of the preset area.

Further, the refrigerator management system further includes:

the ultraviolet lamp is arranged in the refrigerator and is used for sterilizing the air in the refrigerator;

the second alarm module is arranged outside the refrigerator;

the third control module is respectively connected with the ultraviolet lamp and the second alarm module and is used for calculating the sterilization efficiency of the ultraviolet lamp on the air in the refrigerator, judging whether the sterilization efficiency is less than the preset sterilization efficiency or not, and controlling the second alarm module to send out a second alarm prompt when the sterilization efficiency is determined to be less than the preset sterilization efficiency;

the calculating of the sterilization efficiency of the ultraviolet lamp to the air inside the refrigerator includes:

setting N detection points in the refrigerator;

calculating the radiation power P of the ultraviolet lamp as shown in formula (1):

wherein l is the length of the ultraviolet lamp; n is the number of detection points arranged in the refrigerator; I.C. A_i+1The irradiation intensity of the ultraviolet light received at the (i + 1) th detection point is obtained; I.C. A_iThe irradiation intensity of the ultraviolet light received by the ith detection point is obtained; k is the aging coefficient of the ultraviolet lamp; t is the working time of the ultraviolet lamp; theta is the reflection coefficient of the inner wall of the refrigerator to the ultraviolet light;

calculating the sterilization efficiency eta of the ultraviolet lamp to the air in the refrigerator according to the radiation power P of the ultraviolet lamp, as shown in a formula (2):

wherein ζ is the survival rate of bacteria in the air inside the refrigerator before the ultraviolet lamp works; psi is the attenuation coefficient of the bacteria in the air inside the refrigerator under the irradiation of the ultraviolet lamp; gamma is the frequency of the ultraviolet light emitted by the ultraviolet lamp; λ is the effective utilization rate of the ultraviolet light emitted by the ultraviolet lamp; e is a natural constant.

Further, the power supply equipment of the electronic lock is a storage battery.

Further, the refrigerator management system further includes:

the actual residual electric quantity detection module is connected with the storage battery and used for detecting the actual residual electric quantity of the storage battery;

the first control module is connected with the residual electric quantity detection module and used for receiving the actual residual electric quantity sent by the residual current detection module and controlling the display module to display the actual residual electric quantity;

the actual remaining capacity detection module includes:

the current signal acquisition module is arranged on the storage battery and used for acquiring a current signal of the storage battery when the storage battery is in a discharging state;

the voltage signal acquisition module is arranged on the storage battery and used for acquiring a voltage signal of the storage battery when the storage battery is in a discharging state;

the open-circuit voltage calculation module is respectively connected with the current signal acquisition module and the voltage signal acquisition module and is used for:

receiving a current signal sent by the current signal acquisition module, performing feature extraction on the current signal, and extracting a first amplitude and a first phase of the current signal; converting the current signal into a digital signal to obtain a discharge current value of the storage battery;

receiving a voltage signal sent by the voltage signal acquisition module, performing feature extraction on the voltage signal, and extracting a second amplitude and a second phase of the voltage signal; converting the voltage signal into a digital signal to obtain a discharge voltage value of the storage battery;

calculating to obtain a phase difference value according to the first phase and the second phase;

calculating the internal resistance of the storage battery according to the first amplitude, the second amplitude and the phase difference value;

calculating to obtain the open-circuit voltage of the storage battery according to the discharge current value, the discharge voltage value and the internal resistance of the storage battery;

the current value set generation module is arranged on the storage battery and used for acquiring a plurality of historical discharge current values of the storage battery from a full-charge state to a current detection time point and generating a current value set according to the plurality of historical discharge current values;

the fourth control module is respectively connected with the open-circuit voltage calculation module and the current value set generation module, and is configured to:

receiving the open-circuit voltage sent by the open-circuit voltage calculation module, and inquiring a preset open-circuit voltage-first remaining electricity meter according to the open-circuit voltage to obtain first remaining electricity quantity corresponding to the open-circuit voltage;

receiving a current value set sent by the current value set generating module, summing a plurality of historical discharge current values in the current value set to obtain an accumulated value, and inquiring a preset accumulated value-a second residual current meter according to the accumulated value to obtain a second residual electric quantity corresponding to the accumulated value;

judging whether the first residual capacity is equal to the second residual capacity, and taking the first residual capacity or the second residual capacity as actual residual capacity when the first residual capacity is determined to be equal to the second residual capacity;

otherwise, calculating an electric quantity difference value between the first residual electric quantity and the second residual electric quantity, and inquiring a second preset data table according to the electric quantity difference value to obtain a third weight coefficient and a fourth weight coefficient corresponding to the electric quantity difference value; the third weight coefficient is the weight coefficient of the first remaining capacity; the fourth weight coefficient is the weight coefficient of the second remaining capacity; the sum of the third weight coefficient and the fourth weight coefficient is 1;

and performing weighted summation processing on the first residual electric quantity and the second residual electric quantity according to the third weight coefficient and the fourth weight coefficient to obtain the actual residual electric quantity.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a block diagram of a refrigerator management system according to a first embodiment of the present invention;

fig. 2 is a block diagram of a refrigerator management system according to a second embodiment of the present invention;

fig. 3 is a block diagram of a refrigerator management system according to a third embodiment of the present invention.

Reference numerals

The system comprises a power consumption information acquisition module 1, a compressor 2, a compressor state information acquisition module 3, a display module 4, a first control module 5, a laser emission module 6, a signal processing module 7, a heating compensator 8, a second control module 9, an actual remaining power detection module 10, a current signal acquisition module 101, a voltage signal acquisition module 102, an open-circuit voltage calculation module 103, a current value set generation module 104 and a fourth control module 105; and a battery 11.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.

A refrigerator management system according to an embodiment of the present invention will be described with reference to fig. 1 to 3.

As shown in fig. 1, a refrigerator management system includes:

the power consumption information acquisition module 1 is used for acquiring the power consumption information of the refrigerator;

the compressor 2 is arranged in the refrigerator and used for refrigerating the interior of the refrigerator;

the compressor state information acquisition module 3 is arranged on the compressor 2 and is used for acquiring the compressor state information;

a display module 4 disposed outside the refrigerator;

the first control module 5 is respectively connected with the electricity consumption information acquisition module 1, the compressor state information acquisition module 3 and the display module 4, and is used for:

receiving the electricity utilization information sent by the electricity utilization information acquisition module 1;

receiving the compressor state information sent by the compressor state information acquisition module 3;

and controlling the display module 4 to display the electricity utilization information and the compressor state information.

The working principle of the scheme is as follows: the electricity consumption information acquisition module 1 is used for acquiring electricity consumption information of the refrigerator; the compressor state information acquisition module 3 is used for acquiring compressor state information; the first control module 5 is used for receiving the electricity utilization information sent by the electricity utilization information acquisition module 1; receiving the compressor state information sent by the compressor state information acquisition module 3; and controlling the display module 4 to display the power utilization information and the compressor state information.

The beneficial effect of above-mentioned scheme: acquiring the electricity utilization information of the refrigerator in real time through an electricity utilization information acquisition module 1; the working state of the compressor 2 can be obtained in real time through the compressor state information obtaining module 3; the management of the refrigerator is facilitated.

According to some embodiments of the present invention, the refrigerator management system further comprises:

The beneficial effect of above-mentioned scheme: regularly remind the user to clean the refrigerator, guarantee the environment in the refrigerator, and then guarantee the cleanness of the inside reagent of refrigerator.

the first alarm module is arranged outside the refrigerator;

the first control module 5 is respectively connected with the electronic lock, the electronic lock state information acquisition module, the radio frequency information acquisition module and the first alarm module, and is further configured to:

receiving the electronic lock state information sent by the electronic lock state information acquisition module, and controlling the display module 4 to display the electronic lock state information;

The working principle of the scheme is as follows: the electronic lock is used for locking/unlocking the box door; the electronic lock state information acquisition module is used for acquiring electronic lock state information; the radio frequency information acquisition module is used for acquiring radio frequency information sent by an intelligent bracelet worn by a user; the first control module 5 is further configured to receive the electronic lock status information sent by the electronic lock status information obtaining module, and control the display module 4 to display the electronic lock status information; receiving radio frequency information sent by the radio frequency information acquisition module, calculating the matching degree of the radio frequency information and preset radio frequency information, judging whether the matching degree is greater than the preset matching degree, and controlling the electronic lock to unlock when the matching degree is determined to be greater than the preset matching degree; otherwise, the first alarm module is controlled to send out a first alarm prompt

The beneficial effect of above-mentioned scheme: since the reagent stored in the refrigerator is expensive, it is necessary to lock the door of the refrigerator; the electronic lock is used for locking/unlocking the box door; the electronic lock is unlocked by an intelligent bracelet worn by a user, the first control module 5 is also used for receiving radio frequency information sent by the radio frequency information acquisition module, calculating the matching degree of the radio frequency information and preset radio frequency information, judging whether the matching degree is greater than the preset matching degree or not, and when the matching degree is determined to be greater than the preset matching degree, proving that the user is a worker and controlling the electronic lock to unlock; otherwise, the first alarm module is controlled to send out a first alarm prompt to remind a worker that an illegal person enters the system and timely process the system.

The working principle of the scheme is as follows: the fault detection module is used for carrying out fault detection on the refrigerator to obtain a detection result; the analysis module is used for receiving the detection result sent by the fault detection module, judging whether the refrigerator has a fault according to the detection result, determining the fault type when the refrigerator has the fault, generating a maintenance work order according to the fault type and sending the maintenance work order to the maintenance terminal and the storage module; and the storage module is used for receiving and storing the maintenance work order sent by the analysis module.

The beneficial effect of above-mentioned scheme: if the refrigerator breaks down, the reagent in the refrigerator is damaged, and huge property loss is caused to a user, so that fault detection is necessary for the refrigerator, and the fault detection module is used for carrying out fault detection on the refrigerator to obtain a detection result; the analysis module is used for receiving the detection result sent by the fault detection module, judging whether the refrigerator breaks down or not according to the detection result, determining the fault type when the refrigerator breaks down, generating a maintenance work order according to the fault type and sending the maintenance work order to the maintenance terminal, so that maintenance personnel can receive the fault condition at the first time, the maintenance time is shortened, the safety of reagents in the refrigerator is guaranteed, and the experience of a user is improved.

the reagent information acquisition module is used for acquiring reagent information when a user stores a reagent; the reagent information comprises a reagent name, a quality guarantee period, a stored reagent, a two-dimensional code, an affiliation person, an affiliation department and a use right;

The working principle of the scheme is as follows: the reagent information acquisition module is used for acquiring reagent information when a user stores a reagent; the reagent information comprises a reagent name, a quality guarantee period, a stored reagent, a two-dimensional code, an attribution person, an attribution department and a use right; the RFID label pasting module is used for receiving the reagent information sent by the reagent information acquisition module, binding the reagent information and the RFID label, and pasting the bound RFID label to the reagent.

The beneficial effect of above-mentioned scheme: each reagent is provided with a corresponding RFID label, so that the management of the reagents in the refrigerator is facilitated.

the user information acquisition module is used for acquiring the time information of the refrigerator used by the user and the identity information of the user;

The working principle of the scheme is as follows: the user information acquisition module is used for acquiring the time information of the refrigerator used by the user and the identity information of the user; and the recording module is used for receiving and recording the time information and the identity information sent by the user information acquisition module.

The beneficial effect of above-mentioned scheme: the time information and the identity information of the user when using the refrigerator are recorded, and subsequent management is facilitated.

As shown in fig. 2, according to some embodiments of the present invention, the refrigerator management system further includes:

laser emission module 6, set up in inside the refrigerator, with electronic lock state information acquisition module connects for:

a signal processing module 7 connected to the laser emitting module 6, and configured to:

receiving a first reflection signal sent by the laser emission module 6, performing signal segmentation processing on the first reflection signal to obtain a plurality of sub first reflection signals, respectively calculating first intensities of the sub first reflection signals, screening out a maximum first intensity and a minimum first intensity, calculating to obtain a first difference value according to the maximum first intensity and the minimum first intensity, obtaining a first variation amplitude of the first reflection signal according to the first difference value, obtaining a first filter coefficient according to the first variation amplitude, and performing filter processing on the first reflection signal according to the first filter coefficient to obtain a third reflection signal;

receiving a second reflection signal sent by the laser emission module 6, performing signal segmentation processing on the second reflection signal to obtain a plurality of sub-second reflection signals, respectively calculating second intensities of the sub-second reflection signals, screening out a maximum second intensity and a minimum second intensity, calculating to obtain a second difference according to the maximum second intensity and the minimum second intensity, obtaining a second variation amplitude of the second reflection signal according to the second difference, obtaining a second filter coefficient according to the second variation amplitude, and performing filter processing on the second reflection signal according to the second filter coefficient to obtain a fourth reflection signal;

the heating compensator 8 is arranged in the refrigerator and used for carrying out heating compensation treatment on the temperature in the refrigerator;

the second control module 9 is respectively connected with the signal processing module 7, the compressor 2 and the heating compensator 8 and is used for controlling the operation of the compressor;

receiving a third reflection signal sent by the signal processing module 7, and obtaining a first temperature value of the preset area according to the third reflection signal;

receiving a fourth reflection signal sent by the signal processing module 7, and obtaining a second temperature value of the preset area according to the fourth reflection signal;

comparing the actual temperature value of a preset area with a preset temperature value, and controlling the compressor 2 to refrigerate the preset area when the actual temperature value is determined to be greater than the preset temperature value; and when the actual temperature value is determined to be smaller than the preset temperature value, controlling the heating compensator 8 to perform heating compensation processing on the temperature of the preset area.

The working principle of the scheme is as follows: the laser emission module 6 is configured to receive the electronic lock state information sent by the electronic lock state information acquisition module, emit a first laser signal to a preset area inside the refrigerator when it is determined that the electronic lock is in a locked state and reaches a first preset duration, and receive a first reflection signal generated when the first laser signal reaches the preset area; when the electronic lock is determined to be in a locking state and reaches a second preset time length, emitting a second laser signal to a preset area in the refrigerator, and receiving a second reflection signal generated when the second laser signal reaches the preset area; the second preset time length is longer than the first preset time length; the signal processing module 7 is configured to receive the first reflected signal sent by the laser emission module 6, perform signal segmentation processing on the first reflected signal to obtain a plurality of sub-first reflected signals, calculate first intensities of the sub-first reflected signals respectively, screen out a maximum first intensity and a minimum first intensity, calculate a first difference according to the maximum first intensity and the minimum first intensity, obtain a first variation amplitude of the first reflected signal according to the first difference, obtain a first filter coefficient according to the first variation amplitude, and perform filter processing on the first reflected signal according to the first filter coefficient to obtain a third reflected signal; receiving a second reflection signal sent by the laser emission module 6, performing signal segmentation processing on the second reflection signal to obtain a plurality of sub second reflection signals, respectively calculating second intensities of the sub second reflection signals, screening out the maximum second intensity and the minimum second intensity, calculating to obtain a second difference value according to the maximum second intensity and the minimum second intensity, obtaining a second variation amplitude of the second reflection signal according to the second difference value, obtaining a second filter coefficient according to the second variation amplitude, and performing filter processing on the second reflection signal according to the second filter coefficient to obtain a fourth reflection signal; the heating compensator 8 is used for carrying out heating compensation treatment on the temperature inside the refrigerator; the second control module 9 is configured to receive a third reflection signal sent by the signal processing module 7, and obtain a first temperature value of the preset area according to the third reflection signal; receiving a fourth reflection signal sent by the signal processing module 7, and obtaining a second temperature value of the preset area according to the fourth reflection signal; judging whether the first temperature value is the same as the second temperature value, and taking the first temperature value or the second temperature value as an actual temperature value of a preset area when the first temperature value is determined to be the same as the second temperature value; otherwise, calculating the temperature difference value between the first temperature value and the second temperature value; inquiring a first preset data table according to the temperature difference value to obtain a first weight coefficient and a second weight coefficient corresponding to the temperature difference value; the first weight coefficient is a weight coefficient of the first temperature value; the second weight coefficient is a weight coefficient of the second temperature value; the sum of the first weight coefficient and the second weight coefficient is 1; carrying out weighted summation processing on the first temperature value and the second temperature value according to the first weight coefficient and the second weight coefficient to obtain an actual temperature value of a preset area; for example, when the electronic lock is in a locked state and reaches 3 seconds, a first laser signal is emitted and a first reflection signal is received, when the electronic lock is in the locked state and reaches 7 seconds, a second laser signal is emitted and a second reflection signal is received, a first temperature value obtained through the first reflection signal is 6 degrees celsius, a second temperature value obtained through the second reflection signal is 4 degrees celsius, a temperature difference between the first temperature value and the second reflection signal is 2 degrees celsius, a first preset data table is inquired according to the 2 degrees celsius, an obtained first weight coefficient is 0.4, a second weight coefficient is 0.6, and then a reagent temperature value is 6 × 0.4+4 × 0.6=4.8 degrees celsius; the larger the difference is, the larger the difference of the weight coefficients is; comparing the actual temperature value of a preset area with a preset temperature value, and controlling the compressor 2 to refrigerate the preset area when the actual temperature value is determined to be greater than the preset temperature value; and when the actual temperature value is determined to be smaller than the preset temperature value, controlling the heating compensator 8 to perform heating compensation processing on the temperature of the preset area.

The beneficial effect of above-mentioned scheme: the refrigerator is mainly characterized in that the stability of the internal temperature is ensured, so that the reagent in the refrigerator is not deteriorated, and therefore, it is very necessary to accurately measure the internal temperature of the refrigerator and further adjust the temperature, the scheme provides a method for measuring the internal temperature of the refrigerator with full automation, high accuracy and high speed, a laser emission module 6 is used for receiving the state information of the electronic lock sent by an electronic lock state information acquisition module, emitting a first laser signal to a preset area in the refrigerator when the electronic lock is determined to be in a locking state and reaches a first preset time length, and receiving a first reflection signal generated when the first laser signal reaches the preset area; when the electronic lock is determined to be in a locked state and reaches a second preset time length, emitting a second laser signal to a preset area in the refrigerator, and receiving a second reflection signal generated when the second laser signal reaches the preset area; the second preset time length is longer than the first preset time length; in the using process of the refrigerator, the door is opened and closed frequently, a large amount of cold air flows out after the door is opened every time, and the temperature inside the refrigerator is changed after the door is closed, so that the temperature inside the refrigerator is regulated after the refrigerator is used every time; the laser emitting module 6 emits laser signals twice in a first preset time and a second preset time respectively after the refrigerator is used, so as to ensure the accuracy of a final detection result; the signal processing module 7 performs filtering processing on the first reflection signal and the second reflection signal, so that the filtered first reflection signal and the filtered second reflection signal are clearer, the accuracy of temperature detection is ensured, and the heating compensator 8 is used for performing heating compensation processing on the temperature in the refrigerator; the second control module 9 is configured to receive a third reflection signal sent by the signal processing module 7, and obtain a first temperature value of the preset area according to the third reflection signal; receiving a fourth reflection signal sent by the signal processing module 7, and obtaining a second temperature value of the preset area according to the fourth reflection signal; judging whether the first temperature value is the same as the second temperature value, and taking the first temperature value or the second temperature value as an actual temperature value of a preset area when the first temperature value is determined to be the same as the second temperature value; otherwise, calculating the temperature difference value between the first temperature value and the second temperature value; inquiring a first preset data table according to the temperature difference value to obtain a first weight coefficient and a second weight coefficient corresponding to the temperature difference value; the first weight coefficient is a weight coefficient of the first temperature value; the second weight coefficient is a weight coefficient of the second temperature value; the sum of the first weight coefficient and the second weight coefficient is 1; carrying out weighted summation processing on the first temperature value and the second temperature value according to the first weight coefficient and the second weight coefficient to obtain an actual temperature value of a preset area; the actual temperature value calculated through the first temperature value and the second temperature value is more accurate; comparing the actual temperature value of a preset area with a preset temperature value, and controlling the compressor 2 to refrigerate the preset area when the actual temperature value is determined to be greater than the preset temperature value; when the actual temperature value is determined to be smaller than the preset temperature value, the heating compensator 8 is controlled to perform heating compensation processing on the temperature of the preset area, so that the constant temperature environment inside the refrigerator is guaranteed, the safety of reagents inside the refrigerator is further guaranteed, and the intelligence of the refrigerator is improved.

the second alarm module is arranged outside the refrigerator;

setting N detection points in the refrigerator;

wherein l is the length of the ultraviolet lamp; n is the number of detection points arranged in the refrigerator; I.C. A_i+1The irradiation intensity of the ultraviolet light received at the (i + 1) th detection point is obtained; i is_iThe irradiation intensity of the ultraviolet light received by the ith detection point is obtained; k is the aging coefficient of the ultraviolet lamp; t is the working time of the ultraviolet lamp; theta is the reflection coefficient of the inner wall of the refrigerator to the ultraviolet light;

wherein ζ is the survival rate of bacteria in the air inside the refrigerator before the ultraviolet lamp is operated; psi is the attenuation coefficient of the bacteria in the air inside the refrigerator under the irradiation of the ultraviolet lamp; gamma is the frequency of the ultraviolet light emitted by the ultraviolet lamp; lambda is the effective utilization rate of the ultraviolet light emitted by the ultraviolet lamp; e is a natural constant.

The working principle of the scheme is as follows: the ultraviolet lamp is used for sterilizing the air in the refrigerator; the third control module is used for calculating the sterilization efficiency of the ultraviolet lamp on the air in the refrigerator, judging whether the sterilization efficiency is smaller than the preset sterilization efficiency or not, and controlling the second alarm module to send out a second alarm prompt when the sterilization efficiency is determined to be smaller than the preset sterilization efficiency.

The beneficial effect of above-mentioned scheme: the refrigerator is inside to breed the bacterium of liking cold, if not in time clear up, can cause the infection of the inside reagent of refrigerator, consequently, it is very important to carry out real-time sterilization to the refrigerator inside, and ultraviolet lamp is used for right the inside air of refrigerator carries out germicidal treatment, if ultraviolet lamp's sterilization efficiency is lower, not only can cause the waste of resource, still can make the bacterium be in time clear, consequently, calculates ultraviolet lamp's sterilization efficiency is necessary, and the third control module is calculating during ultraviolet lamp's sterilization efficiency, consider factors such as ultraviolet lamp's length, ultraviolet lamp's ageing coefficient, ultraviolet lamp's operating time, refrigerator inner wall are right ultraviolet lamp's reflection coefficient, the survival rate before the ultraviolet lamp work of the bacterium in the inside air of refrigerator, the attenuation coefficient of the bacterium in the inside air of refrigerator under the ultraviolet lamp irradiation, the effective utilization ratio of the ultraviolet lamp, make the efficiency of sterilizing that calculates more accurate, improve and judge sterilization efficiency and the accuracy of presetting sterilization efficiency size are convenient for when sterilization efficiency is less than presetting sterilization efficiency, control the second warning module sends the second, and in time the warning of change the work, the assurance that the refrigerator is in time, the maintenance personnel, the security of ultraviolet lamp is felt, the assurance reagent, the inside of sterilizing, the refrigerator, the improvement of the refrigerator, the user is safe reagent, and the improvement of the sterilization efficiency of sterilizing.

According to some embodiments of the invention, the power supply device of the electronic lock is a battery 11.

an actual remaining power detection module 10, connected to the storage battery 11, for detecting an actual remaining power of the storage battery 11;

the first control module 5 is connected with the residual electric quantity detection module, and is used for receiving the actual residual electric quantity sent by the residual current detection module and controlling the display module 4 to display the actual residual electric quantity;

the actual remaining power detecting module 10 includes:

a current signal acquiring module 101, disposed on the storage battery 11, for acquiring a current signal of the storage battery 11 when the storage battery 11 is in a discharging state;

a voltage signal acquiring module 102, disposed on the storage battery 11, for acquiring a voltage signal of the storage battery 11 when the storage battery 11 is in a discharging state;

an open-circuit voltage calculation module 103, connected to the current signal acquisition module 101 and the voltage signal acquisition module 102 respectively, and configured to:

receiving a current signal sent by the current signal acquisition module 101, performing feature extraction on the current signal, and extracting a first amplitude and a first phase of the current signal; converting the current signal into a digital signal to obtain a discharge current value of the storage battery 11;

receiving the voltage signal sent by the voltage signal obtaining module 102, performing feature extraction on the voltage signal, and extracting a second amplitude and a second phase of the voltage signal; converting the voltage signal into a digital signal to obtain a discharge voltage value of the storage battery 11;

calculating to obtain the internal resistance of the storage battery 11 according to the first amplitude, the second amplitude and the phase difference value;

calculating to obtain the open-circuit voltage of the storage battery 11 according to the discharge current value, the discharge voltage value and the internal resistance of the storage battery 11;

a current value set generating module 104, disposed on the storage battery 11, configured to obtain a plurality of historical discharge current values of the storage battery 11 from a full-charge state to a current detection time point, and generate a current value set according to the plurality of historical discharge current values;

a fourth control module 105, connected to the open-circuit voltage calculation module 103 and the current value set generation module 104, respectively, and configured to:

receiving the open-circuit voltage sent by the open-circuit voltage calculation module 103, and querying a preset open-circuit voltage-first remaining electricity meter according to the open-circuit voltage to obtain a first remaining electricity quantity corresponding to the open-circuit voltage;

receiving a current value set sent by the current value set generation module 104, summing a plurality of historical discharge current values in the current value set to obtain an accumulated value, and querying a preset accumulated value-a second remaining current meter according to the accumulated value to obtain a second remaining electric quantity corresponding to the accumulated value;

and performing weighted summation processing on the first residual electric quantity and the second residual electric quantity according to the third weight coefficient and the fourth weight coefficient to obtain actual residual electric quantity.

The working principle of the scheme is as follows: the actual remaining capacity detection module 10 is configured to detect an actual remaining capacity of the storage battery 11; the first control module 5 is used for receiving the actual residual electric quantity sent by the residual current detection module and controlling the display module 4 to display the actual residual electric quantity; the current signal acquiring module 101 is configured to acquire a current signal of the storage battery 11 when the storage battery 11 is in a discharging state; the voltage signal acquiring module 102 is configured to acquire a voltage signal of the storage battery 11 when the storage battery 11 is in a discharging state; the open-circuit voltage calculation module 103 is configured to receive the current signal sent by the current signal acquisition module 101, perform feature extraction on the current signal, and extract a first amplitude and a first phase of the current signal; converting the current signal into a digital signal to obtain a discharge current value of the storage battery 11; receiving the voltage signal sent by the voltage signal obtaining module 102, performing feature extraction on the voltage signal, and extracting a second amplitude and a second phase of the voltage signal; converting the voltage signal into a digital signal to obtain a discharge voltage value of the storage battery 11; calculating to obtain a phase difference value according to the first phase and the second phase; calculating the internal resistance of the storage battery 11 according to the first amplitude, the second amplitude and the phase difference value; calculating to obtain the open-circuit voltage of the storage battery 11 according to the discharge current value, the discharge voltage value and the internal resistance of the storage battery 11; the current value set generating module 104 is configured to obtain a plurality of historical discharge current values of the storage battery 11 from a full-charge state to a current detection time point, and generate a current value set according to the plurality of historical discharge current values; the fourth control module 105 is configured to receive the open-circuit voltage sent by the open-circuit voltage calculation module 103, and query a preset open-circuit voltage-first remaining electricity meter according to the open-circuit voltage to obtain a first remaining electricity amount corresponding to the open-circuit voltage; receiving a current value set sent by the current value set generation module 104, summing a plurality of historical discharge current values in the current value set to obtain an accumulated value, and querying a preset accumulated value-a second residual current meter according to the accumulated value to obtain a second residual electric quantity corresponding to the accumulated value; judging whether the first residual capacity is equal to the second residual capacity, and taking the first residual capacity or the second residual capacity as actual residual capacity when the first residual capacity is determined to be equal to the second residual capacity; otherwise, calculating an electric quantity difference value between the first residual electric quantity and the second residual electric quantity, and inquiring a second preset data table according to the electric quantity difference value to obtain a third weight coefficient and a fourth weight coefficient corresponding to the electric quantity difference value; the third weight coefficient is the weight coefficient of the first remaining capacity; the fourth weight coefficient is the weight coefficient of the second remaining capacity; the sum of the third weight coefficient and the fourth weight coefficient is 1; and performing weighted summation processing on the first residual electric quantity and the second residual electric quantity according to the third weight coefficient and the fourth weight coefficient to obtain actual residual electric quantity. For example, the first remaining capacity is 60%, the second remaining capacity is 58%, the difference between the first remaining capacity and the second remaining capacity is 2%, the third weight coefficient is 0.5 and the fourth weight coefficient is 0.5 by querying the second preset data table, and then the actual remaining capacity is 60% × 0.5+58% × 0.5=59%.

The beneficial effect of above-mentioned scheme: the scheme provides a non-contact, full-automatic and high-precision measuring method, wherein a current signal acquisition module 101 is used for acquiring a current signal of a storage battery 11 when the storage battery 11 is in a discharging state; the voltage signal acquiring module 102 is configured to acquire a voltage signal of the storage battery 11 when the storage battery 11 is in a discharging state; obtaining the current signal and the voltage signal of the storage battery 11 is a necessary premise for detecting the actual residual electric quantity of the storage battery 11; the open-circuit voltage calculation module 103 is configured to receive the current signal sent by the current signal acquisition module 101, perform feature extraction on the current signal, and extract a first amplitude and a first phase of the current signal; converting the current signal into a digital signal to obtain a discharge current value of the storage battery 11; receiving the voltage signal sent by the voltage signal acquisition module 102, performing feature extraction on the voltage signal, and extracting a second amplitude and a second phase of the voltage signal; converting the voltage signal into a digital signal to obtain a discharge voltage value of the storage battery 11; calculating to obtain a phase difference value according to the first phase and the second phase; calculating to obtain more accurate internal resistance of the storage battery 11 according to the first amplitude, the second amplitude and the phase difference value; calculating to obtain more accurate open-circuit voltage of the storage battery 11 according to the discharge current value, the discharge voltage value and the internal resistance of the storage battery 11; the current value set generating module 104 is configured to obtain a plurality of historical discharge current values of the storage battery 11 from a full-charge state to a current detection time point, and generate a current value set according to the plurality of historical discharge current values; the fourth control module 105 is configured to receive the open-circuit voltage sent by the open-circuit voltage calculation module 103, and query a preset open-circuit voltage-first remaining electricity meter according to the open-circuit voltage to obtain a first remaining electricity quantity corresponding to the open-circuit voltage; receiving a current value set sent by the current value set generation module 104, summing a plurality of historical discharge current values in the current value set to obtain an accumulated value, and querying a preset accumulated value-a second remaining current meter according to the accumulated value to obtain a second remaining electric quantity corresponding to the accumulated value; judging whether the first residual capacity is equal to the second residual capacity, and taking the first residual capacity or the second residual capacity as actual residual capacity when the first residual capacity is determined to be equal to the second residual capacity; otherwise, calculating an electric quantity difference value between the first residual electric quantity and the second residual electric quantity, and inquiring a second preset data table according to the electric quantity difference value to obtain a third weight coefficient and a fourth weight coefficient corresponding to the electric quantity difference value; the third weight coefficient is the weight coefficient of the first remaining capacity; the fourth weight coefficient is the weight coefficient of the second remaining capacity; the sum of the third weight coefficient and the fourth weight coefficient is 1; and performing weighted summation processing on the first residual electric quantity and the second residual electric quantity according to the third weight coefficient and the fourth weight coefficient to obtain actual residual electric quantity, so that the final detection result is more accurate, the error of the detection result is reduced, the user management is facilitated, and the user experience is improved.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A refrigerator management system, comprising:

the compressor state information acquisition module is arranged on the compressor and used for acquiring the state information of the compressor;

a display module disposed outside the refrigerator;

controlling the display module to display the power utilization information and the compressor state information;

the second alarm module is arranged outside the refrigerator;

the third control module is respectively connected with the ultraviolet lamp and the second alarm module and used for calculating the sterilization efficiency of the ultraviolet lamp on the air in the refrigerator, judging whether the sterilization efficiency is smaller than the preset sterilization efficiency or not, and controlling the second alarm module to send out a second alarm prompt when the sterilization efficiency is determined to be smaller than the preset sterilization efficiency;

setting N detection points in the refrigerator;

calculating the radiation power P of the ultraviolet lamp as shown in the formula (1):

calculating the sterilization efficiency eta of the ultraviolet lamp to the air inside the refrigerator according to the radiation power P of the ultraviolet lamp, as shown in the formula (2):

wherein ζ is the survival rate of bacteria in the air inside the refrigerator before the ultraviolet lamp is operated; psi is the attenuation coefficient of the bacteria in the air inside the refrigerator under the irradiation of the ultraviolet lamp; gamma is the frequency of the ultraviolet light emitted by the ultraviolet lamp; λ is the effective utilization rate of the ultraviolet light emitted by the ultraviolet lamp; e is a natural constant.

2. The refrigerator management system of claim 1, further comprising:

3. The refrigerator management system according to claim 1, further comprising:

the first alarm module is arranged outside the refrigerator;

4. The refrigerator management system of claim 1, further comprising:

5. The refrigerator management system of claim 1, further comprising:

6. The refrigerator management system according to claim 1, further comprising:

7. The refrigerator management system of claim 3, further comprising:

the second control module is respectively connected with the signal processing module, the compressor and the heating compensator and is used for controlling the heating of the compressor;

8. The refrigerator management system of claim 3, wherein the power supply device of the electronic lock is a battery.

9. The refrigerator management system according to claim 8, further comprising:

the actual residual electric quantity detection module is connected with the storage battery and is used for detecting the actual residual electric quantity of the storage battery;

the first control module is connected with the residual electric quantity detection module and used for receiving the actual residual electric quantity sent by the residual electric quantity detection module and controlling the display module to display the actual residual electric quantity;

the actual remaining capacity detection module includes:

the current value set generating module is arranged on the storage battery and used for acquiring a plurality of historical discharging current values of the storage battery from a full-charge state to a current detection time point and generating a current value set according to the plurality of historical discharging current values;