CN113053085B - Hospital refrigerator supervisory system - Google Patents
Hospital refrigerator supervisory system Download PDFInfo
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- CN113053085B CN113053085B CN202110158383.5A CN202110158383A CN113053085B CN 113053085 B CN113053085 B CN 113053085B CN 202110158383 A CN202110158383 A CN 202110158383A CN 113053085 B CN113053085 B CN 113053085B
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- 238000004891 communication Methods 0.000 claims abstract description 54
- 238000001514 detection method Methods 0.000 claims abstract description 50
- 238000012544 monitoring process Methods 0.000 claims abstract description 22
- 238000001914 filtration Methods 0.000 claims description 18
- 238000012545 processing Methods 0.000 claims description 9
- 241000217776 Holocentridae Species 0.000 claims description 7
- 238000012216 screening Methods 0.000 claims description 4
- 230000001954 sterilising effect Effects 0.000 claims description 4
- 238000002834 transmittance Methods 0.000 claims description 4
- 238000002310 reflectometry Methods 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims 4
- 230000001276 controlling effect Effects 0.000 claims 2
- 239000003814 drug Substances 0.000 description 18
- 229940079593 drug Drugs 0.000 description 10
- 230000009286 beneficial effect Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 4
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- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 102000004190 Enzymes Human genes 0.000 description 1
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- 239000003124 biologic agent Substances 0.000 description 1
- 210000001772 blood platelet Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 229940088598 enzyme Drugs 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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- 108090000623 proteins and genes Proteins 0.000 description 1
- 210000000582 semen Anatomy 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 210000000130 stem cell Anatomy 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
- A61L9/18—Radiation
- A61L9/20—Ultraviolet radiation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
- A61L2209/10—Apparatus features
- A61L2209/11—Apparatus for controlling air treatment
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Abstract
The invention discloses a hospital refrigerator supervision system, which comprises: the system comprises an information acquisition module, a power failure detection module, a first wireless communication module, a second wireless communication module, a first control module and a mobile terminal; the information acquisition module and the power failure detection module are connected with the first control module through the first wireless communication module, and the mobile terminal is connected with the first control module through the second wireless communication module. Has the advantages that: according to the hospital refrigerator monitoring system, the temperature and humidity conditions in the refrigerator can be monitored in real time through the mobile terminal, the power-on condition of the refrigerator can be monitored in real time, the state of the electronic lock of the refrigerator can be monitored in real time, and an administrator can remotely open/close the electronic lock.
Description
Technical Field
The invention relates to the technical field of remote supervision, in particular to a hospital refrigerator supervision system.
Background
The hospital refrigerator is a professional refrigerated cabinet which is mainly used for placing and storing medicines, vaccines, enzymes, hormones, stem cells, platelets, semen, transplanted skin, animal tissue samples, extracted RNA, gene libraries, important biological and chemical reagents and other special medicines.
At present, a hospital refrigerator cannot remotely monitor the temperature in the refrigerator, and cannot be processed at the first time when the temperature in the refrigerator changes, so that the damage to medicines in the refrigerator is caused; whether the refrigerator sends a power failure fault cannot be monitored in real time; the state of the refrigerator electronic lock cannot be acquired, and the on-off state of the refrigerator electronic lock cannot be remotely controlled, so that the hospital refrigerator supervision system is provided.
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 an air tank information acquisition system, which can monitor the temperature and humidity conditions in a refrigerator in real time, monitor the power-on condition of the refrigerator in real time and monitor the state of an electronic lock of the refrigerator in real time through a mobile terminal, and a manager can remotely open/close the electronic lock.
A hospital refrigerator supervision system comprising: the system comprises a signal acquisition module, a power failure detection module, a first wireless communication module, a second wireless communication module, a first control module and a mobile terminal; the signal acquisition module and the power failure detection module are connected with the first control module through the first wireless communication module, the mobile terminal is connected with the first control module through the second wireless communication module, wherein,
the signal acquisition module is used for acquiring temperature and humidity signals inside the refrigerator;
the power failure detection module is used for performing power failure detection on the refrigerator to generate a power failure detection result;
the first wireless communication module is configured to:
receiving a temperature and humidity signal sent by the signal acquisition module, converting the temperature and humidity signal and sending the converted temperature and humidity signal to the first control module;
receiving a power failure detection result sent by the power failure detection module and sending the power failure detection result to the first control module;
the first control module is used for receiving the converted temperature and humidity signal and the power failure detection result sent by the first wireless communication module and obtaining a temperature and humidity value according to the converted temperature and humidity signal;
and sending the temperature and humidity value and the power failure detection result to the mobile terminal through the second wireless communication module.
Furthermore, the signal acquisition module comprises a temperature sensor which is arranged inside the refrigerator and used for acquiring a temperature signal inside the refrigerator; and the humidity sensor is arranged inside the refrigerator and used for acquiring a humidity signal inside the refrigerator.
Further, the first control module is further configured to obtain a temperature value according to the temperature signal, determine whether the temperature value is within a preset temperature value range, and generate first alarm information when it is determined that the temperature value is not within the preset temperature value range; obtaining a humidity value according to the humidity signal, judging whether the humidity value is within a preset humidity value range, and generating second alarm information when the humidity value is determined not to be within the preset humidity value range; receiving a power failure detection result sent by the power failure detection module, and generating third alarm information when the refrigerator is determined to be powered off according to the power failure detection result; and sending the first alarm information, the second alarm information and the third alarm information to the mobile terminal through the second wireless communication module.
Further, the second wireless communication module includes at least one of a wi fi communication module and a 4g communication module.
Furthermore, the hospital refrigerator supervision system also comprises an acquisition module, a monitoring module and a monitoring module, wherein the acquisition module is used for acquiring the time information of the refrigerator used by the staff and the identity information of the staff; and the storage module is used for storing the time information and the identity information.
Further, the hospital refrigerator supervision system further comprises:
the electronic lock is arranged on the refrigerator door and used for locking/unlocking the refrigerator door;
the electronic lock state monitoring module is used for acquiring state information of the electronic lock in real time;
the electronic lock state monitoring module comprises:
the first voltage signal acquisition module is arranged on the electronic lock and used for acquiring a first voltage signal of the electronic lock;
the voltage signal filtering module is connected with the first voltage signal and used for receiving the first voltage signal sent by the first voltage signal acquisition module, carrying out signal segmentation processing on the first voltage signal to obtain a plurality of sub first voltage signals, respectively calculating the amplitudes of the sub first voltage signals, sequencing the amplitudes, screening out the maximum amplitude and the minimum amplitude, calculating the variation amplitude of the first voltage signal according to the maximum amplitude and the minimum amplitude, obtaining a filtering coefficient according to the variation amplitude, and carrying out filtering processing on the first voltage signal according to the filtering coefficient to obtain a second voltage signal;
the state information acquisition module is connected with the voltage signal filtering module and used for receiving a second voltage signal sent by the voltage signal filtering module, calculating a voltage variance value according to the second voltage signal and obtaining state information of the electronic lock according to the voltage variance value;
the second control module is respectively connected with the electronic lock, the electronic lock state monitoring module and the third wireless communication module and used for:
receiving state information sent by the electronic lock state monitoring module, and sending the state information to a mobile terminal through the third wireless communication module;
receiving a control instruction sent by the mobile terminal, judging whether the control instruction is legal or not, and controlling the electronic lock to lock/unlock when the control instruction is determined to be legal;
and the mobile terminal is used for receiving the state information sent by the third wireless communication module and sending a control instruction to the third wireless communication module according to the state information.
Further, the obtaining of the state information of the electronic lock according to the voltage variance value includes judging whether the voltage variance value is within a preset variance value range, and determining that the electronic lock is in a locked state when the voltage variance value is determined to be within the preset variance value range; otherwise, determining that the electronic lock is in the unlocked state.
Further, the determining whether the control command is legal includes:
acquiring the instruction length of the control instruction, judging whether the instruction length is equal to a preset instruction length or not, and acquiring a first instruction character string of the control instruction when the instruction length is determined to be equal to the preset instruction length;
calculating the first command string and presettingFirst matching degree S of second instruction character string included in locking instruction1：
Wherein n is the number of the instruction characters in the first instruction character string; kiThe characteristic value of the ith instruction character in the first instruction character string is obtained; kjThe characteristic value of the jth instruction character in the second instruction character string is obtained; giThe offset of the ith instruction character in the first instruction character string is obtained; gjThe offset of the jth instruction character in the second instruction character string is set; m is the number of the instruction characters in the second instruction character string;
judging the first matching degree S1Whether the first matching degree S is greater than the preset matching degree is determined1When the matching degree is greater than the preset matching degree, judging that the control instruction is legal;
otherwise, calculating a second matching degree S of the first instruction character string and a third instruction character string included by a preset unlocking instruction2：
Wherein k is the number of the instruction characters in the third instruction character string; cyThe characteristic value of the y-th instruction character in the third instruction character string is obtained; ryThe offset of the y-th instruction character in the third instruction character string;
judging the second matching degree S2Whether the second matching degree S is greater than the preset matching degree is determined2When the matching degree is greater than the preset matching degree, judging that the control instruction is legal;
otherwise, judging that the control command is illegal.
Further, the hospital refrigerator supervision system further comprises:
the alarm module is arranged outside the refrigerator;
the ultraviolet lamp is arranged in the refrigerator and is used for sterilizing the air in the refrigerator;
the third control module is respectively connected with the alarm module and the ultraviolet lamp and is used for calculating the irradiation intensity of the ultraviolet light emitted by the ultraviolet lamp, judging whether the irradiation intensity is smaller than the preset irradiation intensity or not, and controlling the alarm module to give an alarm prompt when the irradiation intensity is determined to be smaller than the preset irradiation intensity;
the calculating the irradiation intensity of the ultraviolet light emitted by the ultraviolet lamp comprises the following steps:
the ultraviolet lamp is provided with a lamp wick, a lamp tube and a lampshade in turn from inside to inside;
setting 50 detection points in the refrigerator;
calculating the irradiation coefficient x of the ultraviolet light emitted by the ultraviolet lamp as shown in the formula (1):
wherein r is1Is the radius of the inner surface of the lamp tube; dxThe distance from the xth detection point to the lamp wick; r is2Is the inner surface radius of the lamp shade; arctan () is an arctangent function;
calculating the irradiation intensity I of the ultraviolet light emitted by the ultraviolet lamp according to the irradiation coefficient K of the ultraviolet light emitted by the ultraviolet lamp, as shown in a formula (2):
wherein, P is the power of the ultraviolet lamp; ζ is the reflectivity of the inner surface of the refrigerator to the ultraviolet light emitted by the ultraviolet lamp; λ is the effective utilization rate of the ultraviolet light emitted by the ultraviolet lamp; psi is the light transmittance of the lamp shade; l is the length of the wick.
The invention has the beneficial effects that: the temperature and humidity conditions in the refrigerator can be monitored in real time through the mobile terminal, and damage to medicines in the refrigerator due to temperature change is avoided; the power-on condition of the refrigerator is monitored in real time, and damage to medicines in the refrigerator due to power failure of the refrigerator is avoided; the state of the electronic lock of the refrigerator is monitored in real time, and a manager can remotely open/close the electronic lock, so that damage to medicines in the refrigerator caused by forgetting to close the refrigerator after working of workers is avoided; meanwhile, the air in the refrigerator is sterilized through the ultraviolet lamp arranged in the refrigerator, so that the medicine in the refrigerator is prevented from infecting bacteria, and the safety of the medicine is ensured.
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 hospital refrigerator supervision system according to a first embodiment of the present invention;
FIG. 2 is a block diagram of a hospital refrigerator supervision system according to a second embodiment of the present invention;
fig. 3 is a block diagram of a hospital refrigerator supervision system according to a third embodiment of the present invention.
Reference numerals
The device comprises a signal acquisition module 1, a power failure detection module 2, a first wireless communication module 3, a first control module 4, a second wireless communication module 5, a mobile terminal 6, an electronic lock 7, an electronic lock state monitoring module 8, a first voltage signal acquisition module 801, a voltage signal filtering module 802, a state information acquisition module 803, a second control module 9, a third wireless communication module 10, an ultraviolet lamp 11, a third control module 12 and an alarm module 13.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
A hospital refrigerator supervision system proposed by an embodiment of the present invention is described below with reference to fig. 1 to 3.
According to some embodiments of the invention, a hospital refrigerator supervision system comprises: the mobile terminal comprises a signal acquisition module, a power failure detection module, a first wireless communication module, a second wireless communication module, a first control module and a mobile terminal; the signal acquisition module and the power failure detection module are connected with the first control module through the first wireless communication module, the mobile terminal is connected with the first control module through the second wireless communication module, wherein,
the signal acquisition module is used for acquiring temperature and humidity signals inside the refrigerator;
the power failure detection module is used for performing power failure detection on the refrigerator to generate a power failure detection result;
the first wireless communication module is configured to:
receiving a temperature and humidity signal sent by the signal acquisition module, converting the temperature and humidity signal and sending the converted temperature and humidity signal to the first control module;
receiving a power failure detection result sent by the power failure detection module and sending the power failure detection result to the first control module;
the first control module is used for receiving the converted temperature and humidity signal and the power failure detection result sent by the first wireless communication module and obtaining a temperature and humidity value according to the converted temperature and humidity signal;
and sending the temperature and humidity value and the power failure detection result to the mobile terminal through the second wireless communication module.
The working principle and the beneficial effects of the scheme are as follows: through signal acquisition module, can be real-time the inside humiture signal of collection refrigerator, through outage detection module, can monitor in real time whether the refrigerator cuts off the power supply, will humiture value and outage testing result pass through second wireless communication module send to mobile terminal, mobile terminal includes at least one in cell-phone, the computer, has realized the operating condition of administrator remote monitoring refrigerator.
According to some embodiments of the present invention, the signal acquisition module comprises a temperature sensor disposed inside the refrigerator for acquiring a temperature signal inside the refrigerator; and the humidity sensor is arranged inside the refrigerator and used for acquiring a humidity signal inside the refrigerator.
According to some embodiments of the present invention, the first control module is further configured to obtain a temperature value according to the temperature signal, determine whether the temperature value is within a preset temperature value range, and generate first alarm information when it is determined that the temperature value is not within the preset temperature value range; obtaining a humidity value according to the humidity signal, judging whether the humidity value is within a preset humidity value range, and generating second alarm information when the humidity value is determined not to be within the preset humidity value range; receiving a power failure detection result sent by the power failure detection module, and generating third alarm information when the refrigerator is determined to be powered off according to the power failure detection result; and sending the first alarm information, the second alarm information and the third alarm information to the mobile terminal through the second wireless communication module.
The working principle and the beneficial effects of the scheme are as follows: when the temperature is not within the preset temperature range, the refrigerator is indicated to be in fault, the medicine in the refrigerator is damaged due to temperature change, first alarm information is generated and sent to the mobile terminal, and a worker is reminded of timely processing; when the humidity is not within the preset humidity range, the refrigerator is indicated to be in fault, the medicine in the refrigerator is damaged due to the change of the humidity, second alarm information is generated and sent to the mobile terminal, and a worker is reminded of processing in time; according to the power failure detection result, when the refrigerator is determined to be powered off, the refrigerator is indicated to have a major fault, third alarm information is generated and sent to the mobile terminal, a worker is reminded to process the major fault in time, the safety of medicines inside the refrigerator is guaranteed, the waste of resources is reduced, the experience of a user is improved, and the intelligence of the system is improved.
According to some embodiments of the invention, the second wireless communication module comprises at least one of a wifi communication module and a 4g communication module.
According to some embodiments of the invention, the hospital refrigerator supervision system further comprises an acquisition module, a monitoring module and a monitoring module, wherein the acquisition module is used for acquiring the time information of the refrigerator used by the staff and the identity information of the staff; and the storage module is used for storing the time information and the identity information.
The working principle and the beneficial effects of the scheme are as follows: the time information and the identity information of the workers using the refrigerator are stored, so that the traceability of the system is improved, and the management is facilitated.
According to some embodiments of the invention, the hospital refrigerator supervision system comprises an electronic lock, a control unit and a control unit, wherein the electronic lock is arranged on a refrigerator door and used for locking/unlocking the refrigerator door;
the electronic lock state monitoring module is used for acquiring state information of the electronic lock in real time;
the electronic lock state monitoring module comprises:
the first voltage signal acquisition module is arranged on the electronic lock and used for acquiring a first voltage signal of the electronic lock;
the voltage signal filtering module is connected with the first voltage signal and used for receiving the first voltage signal sent by the first voltage signal obtaining module, carrying out signal segmentation processing on the first voltage signal to obtain a plurality of sub first voltage signals, respectively calculating amplitudes of the sub first voltage signals, sorting the amplitudes, screening out a maximum amplitude and a minimum amplitude, calculating a variation amplitude of the first voltage signal according to the maximum amplitude and the minimum amplitude, obtaining a filter coefficient according to the variation amplitude, and carrying out filtering processing on the first voltage signal according to the filter coefficient to obtain a second voltage signal;
the state information acquisition module is connected with the voltage signal filtering module and used for receiving a second voltage signal sent by the voltage signal filtering module, calculating a voltage variance value according to the second voltage signal and obtaining state information of the electronic lock according to the voltage variance value;
the second control module is respectively connected with the electronic lock, the electronic lock state monitoring module and the third wireless communication module and used for:
receiving state information sent by the electronic lock state monitoring module, and sending the state information to a mobile terminal through the third wireless communication module;
receiving a control instruction sent by the mobile terminal, judging whether the control instruction is legal or not, and controlling the electronic lock to lock/unlock when the control instruction is determined to be legal;
and the mobile terminal is used for receiving the state information sent by the third wireless communication module and sending a control instruction to the third wireless communication module according to the state information.
The working principle and the beneficial effects of the scheme are as follows: the electronic lock is an important part of the refrigerator, the electronic lock ensures the safety of the medicine in the refrigerator, and if a worker forgets to close the door of the refrigerator after taking out the medicine, the prior art cannot be clear in the first time, so that the medicine in the refrigerator is damaged when the worker finds out that the user is damaged, and property loss is caused, so that the scheme provides a method for remotely monitoring the state of the electronic lock in real time and remotely opening/closing the electronic lock; the first voltage signal acquisition module is used for acquiring a first voltage signal of the electronic lock, and the voltage values of the electronic lock in the on/off state are different, so that the acquisition of the first voltage signal of the electronic lock is a necessary prerequisite for monitoring the state of the electronic lock; the voltage signal filtering module is used for receiving the first voltage signal sent by the first voltage signal acquiring module, performing signal division processing on the first voltage signal to obtain a plurality of sub first voltage signals, respectively calculating amplitudes of the sub first voltage signals, sorting the amplitudes, screening out the maximum amplitude and the minimum amplitude, calculating the variation amplitude of the first voltage signal according to the maximum amplitude and the minimum amplitude, obtaining a filter coefficient according to the variation amplitude, filtering the first voltage signal according to the filter coefficient to obtain a second voltage signal, the filter coefficient obtained according to the variation amplitude is more accurate, the first voltage signal is filtered according to the filter coefficient, the filtered second voltage signal is clearer, the error of final calculation is reduced, and the accuracy of the final calculation result is ensured; the state information acquisition module is used for receiving a second voltage signal sent by the voltage signal filtering module, calculating to obtain a voltage variance value according to the second voltage signal, and obtaining state information of the electronic lock according to the voltage variance value, wherein the voltage variance value is an important parameter capable of representing the second voltage signal, namely an important parameter capable of representing the state of the electronic lock; the second control module is used for receiving the state information sent by the electronic lock state monitoring module and sending the state information to the mobile terminal through the third wireless communication module; and receiving a control instruction sent by the mobile terminal, judging whether the control instruction is legal or not, and controlling the electronic lock to lock/unlock when the control instruction is determined to be legal.
According to some embodiments of the present invention, the obtaining the state information of the electronic lock according to the voltage variance value includes determining whether the voltage variance value is within a preset variance value range, and determining that the electronic lock is in a locked state when it is determined that the voltage variance value is within the preset variance value range; otherwise, determining that the electronic lock is in the unlocked state.
The working principle and the beneficial effects of the scheme are as follows: when the voltage variance value is determined to be within the preset variance value range, the electronic lock is in a locking state; when the voltage variance value is determined not to be within the preset variance value range, the electronic lock is in an unlocking state; the voltage variance value is an important parameter capable of representing the state of the electronic lock, so that the state of the electronic lock is finally determined according to the voltage variance value, and the accuracy is very high.
According to some embodiments of the invention, the determining whether the control instruction is legal includes:
acquiring the instruction length of the control instruction, judging whether the instruction length is equal to a preset instruction length or not, and acquiring a first instruction character string of the control instruction when the instruction length is determined to be equal to the preset instruction length;
calculating a first matching degree S of the first instruction character string and a second instruction character string included in a preset locking instruction1：
Wherein n is the number of the instruction characters in the first instruction character string; kiThe characteristic value of the ith instruction character in the first instruction character string is obtained; kjThe characteristic value of the jth instruction character in the second instruction character string is obtained; giThe offset of the ith instruction character in the first instruction character string is set; gjThe offset is the offset of the jth instruction character in the second instruction character string; m is the number of the instruction characters in the second instruction character string;
judging the first matching degree S1Whether the first matching degree S is greater than the preset matching degree is determined1When the matching degree is greater than the preset matching degree, judging that the control instruction is legal;
otherwise, calculating a second matching degree S of the first instruction character string and a third instruction character string included by a preset unlocking instruction2：
Wherein k is the number of the instruction characters in the third instruction character string; cyThe characteristic value of the y instruction character in the third instruction character string is obtained; ryThe offset of the y-th instruction character in the third instruction character string;
judging the second matching degree S2Whether the second matching degree S is greater than the preset matching degree is determined2When the matching degree is greater than the preset matching degree, judging that the control instruction is legal;
otherwise, judging that the control command is illegal.
The working principle and the beneficial effects of the scheme are as follows: acquiring the instruction length of the control instruction, judging whether the instruction length is equal to a preset instruction length or not, and indicating that the control instruction is illegal when the instruction length is determined not to be equal to the preset length; when the instruction length is determined to be equal to the preset instruction length, a first instruction character string of the control instruction is obtained, and a first matching degree S of the first instruction character string and a second instruction character string included in a preset locking instruction is calculated1At the time of calculating the first matching degree S1When the method is used, factors such as the number of the instruction characters in the first instruction character string, the characteristic value of the ith instruction character in the first instruction character string, the characteristic value of the jth instruction character in the second instruction character string and the like are considered, so that the calculated first matching degree S is obtained1More accurate, and improves and judges the first matching degree S1The accuracy of the preset matching degree is convenient to be in the first matching degree S1When the matching degree is smaller than the preset matching degree, calculating a second matching degree S of the first instruction character string and a third instruction character string included in a preset unlocking instruction2At the time of calculating the second matching degree S2Considering the number of the instruction characters in the third instruction character string, the characteristic value of the y-th instruction character in the third instruction character string and other factors, the calculated second matching degree S is obtained2More accurate, and improves the judgment of the second matching degree S2And the accuracy of the preset matching degree is achieved, wherein the characteristic value is the number of characteristic strokes of the instruction character, and the offset is the offset degree of the position information of the instruction character and the position information of the standard instruction character.
According to some embodiments of the invention, the hospital refrigerator supervision system further comprises:
the alarm module is arranged outside the refrigerator;
the ultraviolet lamp is arranged in the refrigerator and is used for sterilizing the air in the refrigerator;
the third control module is respectively connected with the alarm module and the ultraviolet lamp and is used for calculating the irradiation intensity of the ultraviolet light emitted by the ultraviolet lamp, judging whether the irradiation intensity is smaller than the preset irradiation intensity or not, and controlling the alarm module to give an alarm prompt when the irradiation intensity is determined to be smaller than the preset irradiation intensity;
the calculating the irradiation intensity of the ultraviolet light emitted by the ultraviolet lamp comprises the following steps:
the ultraviolet lamp is provided with a lamp wick, a lamp tube and a lampshade in turn from inside to inside;
setting 50 detection points in the refrigerator;
calculating the irradiation coefficient x of the ultraviolet light emitted by the ultraviolet lamp as shown in the formula (1):
wherein r is1Is the radius of the inner surface of the lamp tube; dxThe distance from the xth detection point to the lamp wick; r is2Is the inner surface radius of the lamp shade; arctan () is an arctangent function;
calculating the irradiation intensity I of the ultraviolet light emitted by the ultraviolet lamp according to the irradiation coefficient K of the ultraviolet light emitted by the ultraviolet lamp, as shown in a formula (2):
wherein P is the power of the ultraviolet lamp; ζ is the reflectivity of the inner surface of the refrigerator to the ultraviolet light emitted by the ultraviolet lamp; λ is the effective utilization rate of the ultraviolet light emitted by the ultraviolet lamp; psi is the light transmittance of the lamp shade; l is the length of the wick.
The working principle and the beneficial effects of the scheme are as follows: all the medicines stored in the refrigerator are medicines, if bacteria in the refrigerator are increased, the medicines can be infected by the bacteria, and then the patients can be infected, and the health of the patients can be affected, therefore, the safety of the air in the refrigerator is very necessary to be ensured, the ultraviolet lamp is used for sterilizing the air in the refrigerator, when the ultraviolet lamp works, if the radiation intensity of the ultraviolet light emitted is too low, bacterial particles in the air in the refrigerator can not be completely killed off, therefore, the calculation of the radiation intensity of the ultraviolet light emitted by the ultraviolet lamp is very necessary, when the third control module calculates the radiation intensity, the factors such as the inner surface radius of the lamp tube, the power of the ultraviolet lamp, the effective utilization rate of the ultraviolet light emitted by the ultraviolet lamp, the light transmittance of the lamp shade, the length of the lamp wick and the like are considered, so that the calculated radiation intensity is more accurate, improve and judge irradiation intensity and the accuracy of predetermineeing irradiation intensity size are convenient for when irradiation intensity is less than predetermineeing irradiation intensity, control alarm module sends the warning suggestion, reminds staff's technique to look over whether ultraviolet lamp takes place to damage, is confirming when ultraviolet lamp takes place to damage, in time maintains or changes, guarantees the irradiation intensity of the ultraviolet light that ultraviolet lamp sent, and then guarantees the security of the inside air of refrigerator, and then guarantees the security of the inside medicine of refrigerator, improves user's experience and feels.
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 (8)
1. A hospital refrigerator supervision system, comprising: the system comprises a signal acquisition module, a power failure detection module, a first wireless communication module, a second wireless communication module, a first control module and a mobile terminal; the signal acquisition module and the power failure detection module are connected with the first control module through the first wireless communication module, the mobile terminal is connected with the first control module through the second wireless communication module, wherein,
the signal acquisition module is used for acquiring temperature and humidity signals inside the refrigerator;
the power failure detection module is used for performing power failure detection on the refrigerator to generate a power failure detection result;
the first wireless communication module is configured to:
receiving a temperature and humidity signal sent by the signal acquisition module, converting the temperature and humidity signal and sending the converted temperature and humidity signal to the first control module;
receiving a power failure detection result sent by the power failure detection module and sending the power failure detection result to the first control module;
the first control module is used for receiving the converted temperature and humidity signal and the power failure detection result sent by the first wireless communication module and obtaining a temperature and humidity value according to the converted temperature and humidity signal;
sending the temperature and humidity value and the power failure detection result to the mobile terminal through the second wireless communication module;
further comprising:
the alarm module is arranged outside the refrigerator;
the ultraviolet lamp is arranged in the refrigerator and is used for sterilizing the air in the refrigerator;
the third control module is respectively connected with the alarm module and the ultraviolet lamp and is used for calculating the irradiation intensity of the ultraviolet light emitted by the ultraviolet lamp, judging whether the irradiation intensity is smaller than the preset irradiation intensity or not, and controlling the alarm module to give an alarm prompt when the irradiation intensity is determined to be smaller than the preset irradiation intensity;
the calculating the irradiation intensity of the ultraviolet light emitted by the ultraviolet lamp comprises the following steps:
the ultraviolet lamp is provided with a lamp wick, a lamp tube and a lampshade in turn from inside to inside;
setting 50 detection points in the refrigerator;
calculating the irradiation coefficient x of the ultraviolet light emitted by the ultraviolet lamp as shown in the formula (1):
wherein r is1Is that it isThe inner surface radius of the lamp tube; dxThe distance from the xth detection point to the lamp wick; r is2Is the inner surface radius of the lamp shade; arctan () is an arctangent function;
calculating the irradiation intensity I of the ultraviolet light emitted by the ultraviolet lamp according to the irradiation coefficient K of the ultraviolet light emitted by the ultraviolet lamp, as shown in a formula (2):
wherein P is the power of the ultraviolet lamp; ζ is the reflectivity of the inner surface of the refrigerator to the ultraviolet light emitted by the ultraviolet lamp; lambda is the effective utilization rate of the ultraviolet light emitted by the ultraviolet lamp; psi is the light transmittance of the lamp shade; l is the length of the wick.
2. The hospital refrigerator supervision system of claim 1, wherein the signal acquisition module comprises:
the temperature sensor is arranged in the refrigerator and used for acquiring a temperature signal in the refrigerator;
and the humidity sensor is arranged inside the refrigerator and used for acquiring a humidity signal inside the refrigerator.
3. The hospital refrigerator surveillance system of claim 2, wherein the first control module is further configured to:
obtaining a temperature value according to the temperature signal, judging whether the temperature value is within a preset temperature value range, and generating first alarm information when the temperature value is determined not to be within the preset temperature value range;
obtaining a humidity value according to the humidity signal, judging whether the humidity value is within a preset humidity value range, and generating second alarm information when the humidity value is determined not to be within the preset humidity value range;
receiving a power failure detection result sent by the power failure detection module, and generating third alarm information when the refrigerator is determined to be powered off according to the power failure detection result;
and sending the first alarm information, the second alarm information and the third alarm information to the mobile terminal through the second wireless communication module.
4. The hospital refrigerator regulatory system of claim 3, wherein the second wireless communication module comprises at least one of a wifi communication module, a 4g communication module.
5. The hospital refrigerator regulatory system of claim 1, further comprising:
the acquisition module is used for acquiring the time information of the refrigerator used by the staff and the identity information of the staff;
and the storage module is used for storing the time information and the identity information.
6. The hospital refrigerator surveillance system of claim 1, further comprising:
the electronic lock is arranged on the refrigerator door and used for locking/unlocking the refrigerator door;
the electronic lock state monitoring module is used for acquiring state information of the electronic lock in real time;
the electronic lock state monitoring module comprises:
the first voltage signal acquisition module is arranged on the electronic lock and used for acquiring a first voltage signal of the electronic lock;
the voltage signal filtering module is connected with the first voltage signal and used for receiving the first voltage signal sent by the first voltage signal obtaining module, carrying out signal segmentation processing on the first voltage signal to obtain a plurality of sub first voltage signals, respectively calculating amplitudes of the sub first voltage signals, sorting the amplitudes, screening out a maximum amplitude and a minimum amplitude, calculating a variation amplitude of the first voltage signal according to the maximum amplitude and the minimum amplitude, obtaining a filter coefficient according to the variation amplitude, and carrying out filtering processing on the first voltage signal according to the filter coefficient to obtain a second voltage signal;
the state information acquisition module is connected with the voltage signal filtering module and used for receiving a second voltage signal sent by the voltage signal filtering module, calculating a voltage variance value according to the second voltage signal and obtaining state information of the electronic lock according to the voltage variance value;
the second control module is respectively connected with the electronic lock, the electronic lock state monitoring module and the third wireless communication module and used for:
receiving state information sent by the electronic lock state monitoring module, and sending the state information to a mobile terminal through the third wireless communication module;
receiving a control instruction sent by the mobile terminal, judging whether the control instruction is legal or not, and controlling the electronic lock to lock/unlock when the control instruction is determined to be legal;
and the mobile terminal is used for receiving the state information sent by the third wireless communication module and sending a control instruction to the third wireless communication module according to the state information.
7. The hospital refrigerator regulatory system of claim 6 wherein said deriving status information for said electronic lock from said voltage variance values comprises:
judging whether the voltage variance value is within a preset variance value range or not, and determining that the electronic lock is in a locking state when the voltage variance value is determined to be within the preset variance value range;
otherwise, determining that the electronic lock is in an unlocked state.
8. The hospital refrigerator regulatory system of claim 6 wherein said determining if said control instructions are legitimate comprises:
acquiring the instruction length of the control instruction, judging whether the instruction length is equal to a preset instruction length or not, and acquiring a first instruction character string of the control instruction when the instruction length is determined to be equal to the preset instruction length;
calculating a first matching degree S of the first instruction character string and a second instruction character string included in a preset locking instruction1：
Wherein n is the number of the instruction characters in the first instruction character string; kiThe characteristic value of the ith instruction character in the first instruction character string is obtained; kjThe characteristic value of the jth instruction character in the second instruction character string is obtained; giThe offset of the ith instruction character in the first instruction character string is obtained; gjThe offset of the jth instruction character in the second instruction character string is set; m is the number of the instruction characters in the second instruction character string;
judging the first matching degree S1Whether the first matching degree S is greater than the preset matching degree is determined1When the matching degree is greater than the preset matching degree, judging that the control instruction is legal;
otherwise, calculating a second matching degree S of the first instruction character string and a third instruction character string included by a preset unlocking instruction2：
Wherein k is the number of the instruction characters in the third instruction character string; cyThe characteristic value of the y-th instruction character in the third instruction character string is obtained; ryThe offset of the y-th instruction character in the third instruction character string;
judging the second matching degree S2Whether the second matching degree S is greater than the preset matching degree is determined2When the matching degree is greater than the preset matching degree, judging that the control instruction is legal;
otherwise, judging that the control command is illegal.
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