阅读说明：本技术 一种制冷设备、监控设备以及制冷方法 (Refrigeration equipment, monitoring equipment and refrigeration method ) 是由 杨仕华 于 2021-09-09 设计创作，主要内容包括：本发明公开了一种制冷设备、监控设备以及制冷方法,所述制冷设备,安装在救护车上,包括：冷藏柜,用于存储需要冷藏的医用品；氮存储装置,用于存储氮；氮注入装置,设置于所述冷藏柜与所述氮存储装置之间,用于将氮注入至所述冷藏柜内,以降低所述冷藏柜内的温度；氮排出装置,设置于所述冷藏柜上,用于将氮排出至所述冷藏柜外,以升高所述冷藏柜的温度；温度传感模组,设置于所述冷藏柜上,用于检测所述冷藏柜的当前温度；处理模组,连接于所述温度传感模组,用于根据所述冷藏柜的当前温度,调节所述冷藏柜内的氮量,以将所述冷藏柜的当前温度调节至目标温度。如此,保证了救护车的冷藏柜内的医用品的有效保存。(The invention discloses a refrigeration device, a monitoring device and a refrigeration method, wherein the refrigeration device is arranged on an ambulance and comprises: the refrigerator is used for storing medical products needing to be refrigerated; a nitrogen storage device for storing nitrogen; the nitrogen injection device is arranged between the refrigerated cabinet and the nitrogen storage device and is used for injecting nitrogen into the refrigerated cabinet so as to reduce the temperature in the refrigerated cabinet; the nitrogen discharging device is arranged on the refrigerated cabinet and used for discharging nitrogen to the outside of the refrigerated cabinet so as to raise the temperature of the refrigerated cabinet; the temperature sensing module is arranged on the refrigerated cabinet and used for detecting the current temperature of the refrigerated cabinet; and the processing module is connected with the temperature sensing module and used for adjusting the nitrogen amount in the refrigerated cabinet according to the current temperature of the refrigerated cabinet so as to adjust the current temperature of the refrigerated cabinet to the target temperature. Thus, the medical articles in the refrigerated cabinet of the ambulance are effectively preserved.)

1. A refrigeration unit, for installation in an ambulance, comprising:

the refrigerator is used for storing medical products needing to be refrigerated;

the nitrogen storage device is arranged on one side of the refrigerated cabinet and used for storing nitrogen;

the nitrogen injection device is arranged between the refrigerated cabinet and the nitrogen storage device and is used for injecting nitrogen into the refrigerated cabinet so as to reduce the temperature in the refrigerated cabinet;

the nitrogen discharging device is arranged on the refrigerated cabinet and used for discharging nitrogen to the outside of the refrigerated cabinet so as to raise the temperature of the refrigerated cabinet;

the temperature sensing module is arranged on the refrigerated cabinet and used for detecting the current temperature of the refrigerated cabinet;

and the processing module is connected with the temperature sensing module and used for adjusting the nitrogen amount in the refrigerated cabinet according to the current temperature of the refrigerated cabinet so as to adjust the current temperature of the refrigerated cabinet to a target temperature range.

2. The refrigeration appliance according to claim 1, further comprising:

the first switch module is arranged between the nitrogen storage device and the nitrogen injection device, when the first switch module is opened, nitrogen stored in the nitrogen storage device is injected into the refrigerated cabinet through the nitrogen injection device, and when the first switch module is closed, the nitrogen in the nitrogen storage device is blocked in the nitrogen storage device;

the processing module is further configured to:

and responding to a first preset temperature that the current temperature of the refrigerated cabinet is greater than the target temperature range, and controlling the first switch module to be switched on.

3. The liquid nitrogen refrigeration plant of claim 2, wherein the process module is further configured to:

in response to a current temperature of the refrigerated cabinet being greater than a first preset temperature of a target temperature range, determining a first temperature difference between the current temperature and the first preset temperature;

determining the nitrogen injection amount for reducing the first temperature difference according to the first temperature difference;

determining a first opening duration of the first switch module according to the nitrogen injection amount;

and controlling the first switch module to be closed after the first opening time after the first switch module is opened according to the first opening time.

4. The refrigeration appliance according to claim 3, wherein the processing module is further configured to:

determining a first pressure value within the nitrogen storage device; determining the nitrogen injection speed according to the first pressure value;

and determining the first opening time length according to the nitrogen injection speed and the nitrogen injection quantity.

5. The refrigeration appliance according to claim 1, further comprising:

the second switch module is arranged on the nitrogen discharging device, when the second switch module is opened, nitrogen in the refrigerated cabinet is discharged from the nitrogen discharging device, and when the second switch module is closed, the nitrogen in the refrigerated cabinet is blocked in the refrigerated cabinet;

the processing module is further configured to:

and responding to a second preset temperature that the current temperature of the refrigerated cabinet is smaller than the target temperature range, and controlling the second switch module to be switched on.

6. The refrigeration appliance according to claim 5, wherein the processing module is further configured to:

in response to the current temperature of the refrigerated cabinet being less than a second preset temperature of the target temperature range, determining a second temperature difference between the current temperature and the second preset temperature;

determining a nitrogen purge amount that increases the second temperature difference, based on the second temperature difference;

determining a second opening duration of the second switch module according to the nitrogen discharge amount;

and controlling the second switch module to be closed after the second opening time after the second switch module is opened according to the second opening time.

7. The refrigeration appliance according to claim 6, wherein the processing module is further configured to:

determining a second pressure value within the refrigerated cabinet; determining a nitrogen discharge speed according to the second pressure value;

the second on-time period is determined based on the nitrogen discharge speed and the nitrogen discharge amount.

8. The refrigeration appliance according to claim 1, wherein a nitrogen detector is provided in the nitrogen storage device for detecting an amount of nitrogen stored in the nitrogen storage device;

the processing module is further connected with the nitrogen detector and used for responding to the fact that the nitrogen storage amount detected by the nitrogen detector is smaller than or equal to the nitrogen storage amount threshold value and sending nitrogen supplement early warning information to monitoring equipment of the emergency station.

9. A monitoring device, comprising:

a communication module connected with the processing module in the refrigeration equipment of any one of claims 1 to 8, for receiving the processing result of the processing module; and/or, connected to the temperature sensing module in the refrigeration apparatus according to any one of claims 1 to 8, for receiving the current temperature of the refrigerated cabinet detected by the temperature sensing module.

10. A refrigeration method, applied to the refrigeration apparatus of any one of claims 1 to 9, comprising:

detecting a current temperature of the refrigerated cabinet;

adjusting the amount of nitrogen in the refrigerated cabinet according to the current temperature of the refrigerated cabinet to adjust the current temperature of the refrigerated cabinet to be within a target temperature range.

Technical Field

The invention relates to the technical field of medical care equipment, in particular to refrigerating equipment, monitoring equipment and a refrigerating method.

Background

The ambulance is an essential tool in the process of developing pre-hospital first aid, and the ambulance is provided with common instruments and equipment and also has some common emergency medicines or medical biomaterials and the like, but the conventional ambulance needs to be placed in the open air or on a carriage made of ferrous materials, and when the summer comes, the temperature in the ambulance roasted by the sun can reach over 50 ℃ at the highest temperature, so that the serious examination is brought to the storage of the medicines and the like in the ambulance. At present, medicines are mostly transferred indoors in summer to ensure the safety of medicines, but the work of medical staff is undoubtedly increased, and even the time of pre-hospital first aid is delayed. Therefore, how to ensure the effective preservation of medical drugs or medical biomaterials and the like in the ambulance becomes a technical problem which needs to be solved urgently.

Disclosure of Invention

In view of the above, the main objective of the present invention is to provide a refrigeration device, a monitoring device and a refrigeration method, which aim to ensure the temperature in the refrigerated cabinet through intelligent temperature adjustment, so as to ensure the effective preservation of medical supplies in the ambulance.

In order to achieve the purpose, the technical scheme of the invention is realized as follows: the present invention provides a refrigerating apparatus installed in an ambulance, comprising:

the refrigerator is used for storing medical products needing to be refrigerated;

a nitrogen storage device for storing nitrogen;

the nitrogen injection device is arranged between the refrigerated cabinet and the nitrogen storage device and is used for injecting the nitrogen into the refrigerated cabinet so as to reduce the temperature in the refrigerated cabinet;

the nitrogen discharging device is arranged on the refrigerated cabinet and used for discharging nitrogen to the outside of the refrigerated cabinet so as to raise the temperature of the refrigerated cabinet;

the temperature sensing module is arranged on the refrigerated cabinet and used for detecting the current temperature of the refrigerated cabinet;

and the processing module is connected with the temperature sensing module and used for adjusting the nitrogen amount in the refrigerated cabinet according to the current playing degree value of the refrigerated cabinet so as to adjust the current temperature of the refrigerated cabinet to a target temperature range.

In the above scheme, the refrigeration plant further includes:

the first switch module is arranged between the nitrogen storage device and the nitrogen injection device, when the first switch module is opened, nitrogen stored in the nitrogen storage device is injected into the refrigerated cabinet through the nitrogen injection device, and when the first switch module is closed, the nitrogen in the nitrogen storage device is blocked in the nitrogen storage device;

the processing module is further configured to:

and responding to a first preset temperature that the current temperature of the refrigerated cabinet is greater than the target temperature range, and controlling the first switch module to be switched on.

In the foregoing solution, the processing module is further configured to:

in response to a current temperature of the refrigerated cabinet being greater than a first preset temperature of a target temperature range, determining a first temperature difference between the current temperature and the first preset temperature;

determining the nitrogen injection amount for reducing the first temperature difference according to the first temperature difference;

determining a first opening duration of the first switch module according to the nitrogen injection amount;

and controlling the first switch module to be closed after the first opening time after the first switch module is opened according to the first opening time.

In the foregoing solution, the processing module is further configured to:

determining a first pressure value within the nitrogen storage device; determining the nitrogen injection speed according to the first pressure value;

and determining the first opening time length according to the nitrogen injection speed and the nitrogen injection quantity.

In the above scheme, the refrigeration plant further includes:

the second switch module is arranged on the nitrogen discharging device, when the second switch module is opened, nitrogen in the refrigerated cabinet is discharged from the nitrogen discharging device, and when the second switch module is closed, the nitrogen in the refrigerated cabinet is blocked in the refrigerated cabinet;

the processing module is further configured to:

and responding to a second preset temperature that the current temperature of the refrigerated cabinet is smaller than the target temperature range, and controlling the second switch module to be switched on.

In the foregoing solution, the processing module is further configured to:

in response to the current temperature of the refrigerated cabinet being less than a second preset temperature of the target temperature range, determining a second temperature difference between the current temperature and the second preset temperature;

determining a nitrogen purge amount that increases the second temperature difference, based on the second temperature difference;

determining a second opening duration of the second switch module according to the nitrogen discharge amount;

and controlling the second switch module to be closed after the second opening time after the second switch module is opened according to the second opening time.

In the above scheme, the processing module is further configured to:

determining a second pressure value within the refrigerated cabinet; determining a discharge speed according to the second pressure value;

the second on-time period is determined based on the nitrogen discharge speed and the nitrogen discharge amount.

In the above scheme, a nitrogen detector is arranged in the nitrogen storage device and is used for detecting the nitrogen storage amount in the nitrogen storage device;

the processing module is further connected with the nitrogen detector and used for responding to the fact that the nitrogen storage amount detected by the nitrogen detector is smaller than or equal to the nitrogen storage amount threshold value and sending nitrogen supplement early warning information to monitoring equipment in the emergency station.

To achieve the above object, the present invention also provides a first aid station, further comprising:

the communication module is connected with the processing module in the refrigeration equipment and used for saving a processing result of the processing module; and/or the temperature sensing module is connected with any one of the temperature sensing modules and used for receiving the current temperature of the refrigerated cabinet detected by the temperature sensing module.

In order to achieve the above object, the present invention further provides a refrigeration method applied to any one of the refrigeration apparatuses, including:

detecting a current temperature of the refrigerated cabinet;

adjusting the amount of nitrogen in the refrigerated cabinet according to the current temperature of the refrigerated cabinet to adjust the current temperature of the refrigerated cabinet to be within a target temperature range.

The refrigeration equipment is arranged on an ambulance, the refrigeration equipment is provided with a nitrogen storage device at one side of a refrigerated cabinet, nitrogen in the nitrogen storage device can be injected into the refrigerated cabinet by arranging a nitrogen injection device, the nitrogen in the refrigerated cabinet can be discharged by arranging a nitrogen discharge device, and the nitrogen amount in the refrigerated cabinet is intelligently adjusted according to the current temperature of the refrigerated cabinet detected by a temperature sensing module so as to maintain the temperature of the refrigerated cabinet within a target temperature range. Thereby effectively ensuring the preservation temperature of the medical articles in the refrigerated cabinet and further ensuring the effective preservation of the medical articles in the ambulance.

Drawings

FIG. 1 is a schematic diagram of a refrigeration unit according to an alternative embodiment of the present invention;

FIG. 2 is another schematic diagram of a refrigeration unit according to an alternative embodiment of the present invention;

FIG. 3 is a schematic flow diagram of a refrigeration process in an alternative embodiment of the invention;

fig. 4 is a schematic structural diagram of a refrigerating apparatus according to an alternative embodiment of the present invention.

Detailed Description

The invention is described in further detail below with reference to the figures and the embodiments.

Referring to fig. 1 and 2, the refrigeration device 1, mounted on an ambulance, comprises:

a refrigerator 10 for storing medical supplies to be refrigerated;

a nitrogen storage device 11 disposed at one side of the refrigerator 10 for storing nitrogen;

a nitrogen injection device 12 disposed between the refrigerator 10 and the nitrogen storage device 11, for injecting nitrogen into the refrigerator 10 to reduce the temperature inside the refrigerator 10:

a nitrogen discharging device 13 disposed on the refrigerator 10 for discharging nitrogen to the outside of the refrigerator 10 to raise the temperature of the refrigerator 10;

the temperature sensing module 14 is arranged on the refrigerated cabinet 10 and used for detecting the current temperature of the refrigerated cabinet 10;

and the processing module 15 is connected to the temperature sensing module 14 and is used for adjusting the nitrogen amount in the refrigerated cabinet 10 according to the current temperature of the refrigerated cabinet 10 so as to adjust the current temperature of the refrigerated cabinet 10 to a target temperature.

It is understood that different medical product types correspond to different storage temperatures. For example, some medicines may be stored in a refrigerator at 2-10 degrees, some medicines may be stored in a cool store below 20 degrees, and some medicines may be stored in a cold store at 0-30 degrees. In some embodiments, the target temperature range may be determined based on the type of medical article.

For example, the target temperature may be determined according to a critical value in a storage temperature range corresponding to the type of the medical product. For example, some drugs may be stored in a freezer at 2-10 degrees, and the target temperature range for this type of drug may be determined to be 2-10 degrees.

Illustratively, the refrigeration device further comprises: the camera shooting module is arranged in the refrigerated cabinet 10 and is used for shooting the medical supplies so as to obtain image information of the medical supplies; the processing module 15 is further configured to determine the target temperature range according to the image information of the medical article. For example, the determining the target temperature range according to the image information of the medical article may include: and acquiring a storage temperature label according to the image information of the medical article, and determining the target temperature range according to the storage temperature label. In other embodiments, the determining the target temperature range according to the image information of the medical article may include: determining the category of the medical article according to the image information of the medical article and a neural network algorithm, and determining a target temperature range corresponding to the category of the medical article according to the category of the medical article. In this manner, the target temperature range may be intelligently determined, thereby intelligently maintaining the temperature of the refrigerated merchandiser 10 within the target temperature range.

Here, medical articles include, but are not limited to: medical drugs and medical biomaterials required for emergency treatment.

It should be noted that the scenario in which the present invention is applied is an ambulance scenario. It should be noted that an ambulance is an essential tool in the development of pre-hospital emergencies.

For example, for some trauma patients, it is often necessary to get remedied the first time after the trauma has occurred. According to statistics, the occurrence rate and the fatality rate of wounds are higher than those of western countries due to numerous people in China, limbs of patients are always disconnected in the process of wound treatment, the disconnected limbs are stored correctly at this time, the patients are helped by medical care personnel to promote recovery, and each family is also concerned with happiness.

Based on this, in some embodiments, the medical article may further comprise: the severed limb of the patient. Here, the target temperature may be set according to an optimal temperature that needs to be preserved from the severed limb.

Here, the refrigerated merchandiser 10 may be one or more, and different refrigerated merchandisers 10 may be used to store different types of medical products.

In some embodiments, the temperature sensing module 14 is disposed on an inner wall of the refrigerated case 10, and the temperature sensing module 14 may include one or more temperature sensors. The current temperature of the refrigerated cabinet 10 can be obtained by detecting the average temperature of the temperatures detected by the plurality of temperature sensors, so that the accuracy of the detected current temperature is improved.

In some embodiments, the nitrogen injection device 12 may be a nitrogen injection channel. Examples may include: and a nitrogen injection pipe. In other embodiments, the nitrogen injection pipe is surrounded on its outer circumference with a coolant for cooling the nitrogen injection pipe, so that nitrogen gas can be converted into liquid nitrogen, facilitating the transport of nitrogen.

In some embodiments, the nitrogen discharging device 13 may be a nitrogen discharging passage, and may include: a nitrogen outlet hole. It will be appreciated that the nitrogen outlet aperture is of a simple construction which allows the refrigerator 10 to be manufactured at a lower cost.

The process module 15 here generally controls the overall operation of the refrigeration appliance 1, such as the control of the amount of nitrogen within the refrigerated cabinet 10. The processing module 15 may include one or more processors to execute instructions to perform corresponding operations. The processing module 15 may be configured to adjust the amount of nitrogen within the refrigerated case 10 based on the current temperature of the refrigerated case 10 to adjust the current temperature of the refrigerated case 10 to within a target temperature range.

In some embodiments, referring back to fig. 1, the refrigeration apparatus 1 further includes: and the battery module 16 is connected with the processing module 15 and used for supplying power to the processing module 15.

In the above embodiment, the refrigeration apparatus is installed in the ambulance, and the refrigeration apparatus can inject the nitrogen in the nitrogen storage device 11 into the refrigerator by installing the nitrogen injection device 12 on one side of the refrigerator 10, and can exhaust the nitrogen in the refrigerator by installing the nitrogen exhaust device 13, and intelligently adjust the amount of nitrogen in the refrigerator according to the current temperature of the refrigerator detected by the temperature sensing module 14 to maintain the temperature of the refrigerator within the target temperature range. Thereby effectively ensuring the preservation temperature of the medical articles in the refrigerated cabinet and further ensuring the effective preservation of the medical articles in the ambulance.

In some embodiments, the refrigeration appliance further comprises:

the first switch module is arranged between the nitrogen storage device and the nitrogen injection device, when the first switch module is opened, nitrogen which is generated by the nitrogen storage device in an angry mode is injected into the refrigerated cabinet through the nitrogen injection device, and when the first switch module is closed, the nitrogen in the nitrogen storage device is blocked in the nitrogen storage device;

the processing module is further configured to:

and responding to a first preset temperature that the current temperature of the refrigerated cabinet is greater than the target temperature range, and controlling the first switch module to be switched on.

Here, the first switch module may include: a switch module capable of being driven by an electrical signal. In some embodiments, the controlling the first switch module to open in response to the current temperature of the refrigerated cabinet being greater than the first preset temperature of the target temperature range includes:

and responding to a first preset temperature that the current temperature of the refrigerated cabinet is greater than the target temperature range, and sending a first switch opening instruction to the first switch module to control the first switch module to be opened.

Of course, in other embodiments, the controlling the first switch module to be turned on in response to the current temperature of the refrigerator being greater than the first preset temperature of the target temperature range may further include: responding to the fact that the current temperature of the refrigerated cabinet is larger than a first preset temperature of the target temperature range, and sending temperature overtemperature early warning information to monitoring equipment of the emergency station; and receiving a first switch instruction returned by the monitoring equipment of the emergency station based on the received temperature overtemperature early warning information so as to control the first switch module to be opened.

In the above embodiment, the first switch module executes the opening operation after receiving the first switch command.

In some embodiments, the first preset temperature may be a maximum temperature within a target temperature range. Of course, in order to be able to maintain the temperature of the refrigerated cabinet within the target temperature range as early as possible, the first preset temperature may also be a temperature slightly lower than the highest temperature of the target temperature range. So, can be for the freezer cooling in advance to reduce the influence of the existence time that is not suitable for the save temperature to medical supplies, improve medical supplies's effective save.

In some embodiments, the processing module is further configured to:

in response to a current temperature of the refrigerated cabinet being greater than a first preset temperature of a target temperature range, determining a first temperature difference between the current temperature and the first preset temperature;

determining the nitrogen injection amount for reducing the first temperature difference according to the first temperature difference;

determining a first opening duration of the first switch module according to the nitrogen injection amount;

and controlling the first switch module to be closed after the first opening time after the first switch module is opened according to the first opening time.

In this embodiment, the nitrogen injection amount required for reducing the first temperature difference is determined according to the first temperature difference, so that the first on duration of the first switch module is determined according to the nitrogen injection amount, and the first switch module is turned off after the first switch module is turned on for the first on duration, thereby reducing the temperature over-reduction phenomenon caused by over-injection of nitrogen.

In some embodiments, the processing module is further configured to:

determining a first pressure value within the nitrogen storage device; determining the nitrogen injection speed according to the first pressure value;

and determining the first opening time length according to the nitrogen injection speed and the nitrogen injection quantity.

It will be appreciated that the greater the first pressure value within the storage device, the greater the corresponding nitrogen injection rate. Accordingly, the faster the nitrogen injection rate, the shorter the time taken for the same nitrogen injection amount.

In some embodiments, the functional relationship between the first pressure value and the nitrogen injection rate may be determined experimentally or as big data.

In some embodiments, as the nitrogen within the nitrogen storage device decreases, the first pressure value within the nitrogen storage device correspondingly decreases. Illustratively, a corresponding relation exists between the first pressure value in the nitrogen storage device and the nitrogen storage amount.

In this embodiment, the first switch duration is intelligently determined according to the first pressure value in the nitrogen storage device, so that the on duration of the first switch can be intelligently controlled, and the nitrogen amount in the refrigerated cabinet can be effectively controlled.

In some embodiments, a nitrogen detector is disposed within the nitrogen storage device for detecting an amount of nitrogen stored within the nitrogen storage device;

the processing module is connected with the nitrogen detector and used for responding to the condition that the nitrogen storage amount detected by the nitrogen detector is smaller than or equal to the nitrogen storage amount threshold value, sending the nitrogen supplementing early warning information to the monitoring equipment of the emergency station, wherein the nitrogen supplementing early warning information is used for prompting the staff of the emergency station to supplement nitrogen for the nitrogen storage device.

Here, the nitrogen detector may be a gas pressure sensor or a hydraulic pressure sensor.

In some embodiments, the refrigeration appliance further comprises:

the second switch module is arranged on the nitrogen discharging device, when the second switch module is opened, nitrogen in the refrigerated cabinet is discharged from the nitrogen discharging device, and when the second switch module is closed, the nitrogen in the refrigerated cabinet is blocked in the refrigerated cabinet;

the processing module is further configured to:

and responding to the current temperature of the refrigerated cabinet to be smaller than a second preset temperature of the target temperature range, and controlling the second switch to be opened.

The second switch module herein may include: a switch module capable of being driven by an electrical signal. In some embodiments, said turning on the second switch module in response to the current temperature of the refrigerated cabinet being less than a second preset temperature of the target temperature range includes:

and responding to a second preset temperature that the current temperature of the refrigerated cabinet is smaller than the target temperature range, and sending a second switch opening instruction to the second switch module to control the second switch module to be opened.

Of course, in other embodiments, the controlling the second switch module to be turned on in response to the current temperature of the refrigerated cabinet being less than the second preset temperature of the target temperature range may further include: responding to a second preset temperature that the current temperature of the refrigerated cabinet is smaller than the target temperature range, and sending low-temperature early warning information to monitoring equipment of an emergency station; and receiving a second switch instruction returned by the monitoring equipment of the emergency station based on the received low-temperature early warning information so as to control the second switch module to be opened.

In the above embodiment, the second switch module executes the opening operation after receiving the second switch instruction.

In some embodiments, the second preset temperature may be a minimum temperature within a target temperature range. Of course, in order to maintain the temperature of the refrigerated cabinet within the target temperature range at present, the second preset second temperature may also be a temperature slightly greater than the minimum temperature of the target temperature range, so that the temperature of the refrigerated cabinet may be raised in advance, thereby reducing the influence of the existence time of unsuitable storage temperature on the medical article and improving the effective storage of the medical article.

In some embodiments, the processing module is further configured to determine a second temperature difference between the current temperature and a second preset temperature of the target temperature range in response to the current temperature of the refrigerated cabinet being less than the second preset temperature;

determining a nitrogen purge amount that increases the second temperature difference, based on the second temperature difference;

and controlling the second switch module to be closed after the second opening time after the second switch module is opened according to the second opening time.

In the present embodiment, the nitrogen discharge amount that increases the second temperature difference is determined based on the second temperature difference; therefore, the second opening duration of the second switch module is determined according to the nitrogen discharge amount, and the second switch module is closed after the second opening duration of the second switch module is opened, so that the phenomenon of excessive temperature rise caused by excessive nitrogen discharge can be reduced.

In some embodiments, the processing module is further configured to:

determining a second pressure value within the refrigerated cabinet; determining a nitrogen discharge speed according to the second pressure value;

the second on-time period is determined based on the nitrogen discharge speed and the nitrogen discharge amount.

It will be appreciated that the greater the second pressure value within the refrigerated cabinet, the greater the corresponding nitrogen discharge rate. Accordingly, the faster the nitrogen discharge rate, the shorter the time taken for the same nitrogen discharge amount.

In some embodiments, the functional relationship between the second pressure value and the nitrogen discharge rate may be determined experimentally or by big data or the like.

In some embodiments, as the nitrogen in the refrigerated cabinet decreases, the amount of nitrogen in the refrigerated cabinet correspondingly decreases, and the corresponding second pressure value decreases. Illustratively, the second pressure value in the refrigerated cabinet corresponds to the nitrogen amount.

In this embodiment, the second switch duration is intelligently determined according to the second pressure value in the nitrogen storage device, so that the on duration of the second switch can be intelligently controlled, and the nitrogen amount in the refrigerator can be effectively controlled.

In order to achieve the above object, the present invention also provides a monitoring apparatus, comprising:

the communication module is connected with the processing module in the refrigeration equipment in any embodiment and used for receiving a processing result of the processing module, and/or is connected with the temperature sensing module in any refrigeration equipment in any embodiment and used for receiving the current temperature of the refrigerated cabinet detected by the temperature sensing module.

The processing result here may include: the processing module is used for processing the execution result obtained by any method step executed by the processing module.

Here, the monitoring device may send a corresponding execution instruction to the refrigeration device by receiving the current temperature of the refrigeration cabinet detected by the temperature sensing module, for example, an on or off instruction of the first switch module, an on or off instruction of the second switch module, or the like is executed.

It should be noted that the monitoring device may be a computer device or the like in an emergency station, and any computer device capable of communicating with the refrigeration device or with the ambulance is within the scope of the protection of the monitoring device.

So, through supervisory equipment and refrigeration plant, perhaps through communication between supervisory equipment and the ambulance, can make the staff of emergency station can real time monitoring or learn refrigeration plant's any state to in time supply nitrogen for refrigeration plant, and provide suitable remote control etc. for refrigeration plant.

To achieve the above object, please refer to fig. 3. The present invention also provides a refrigeration method applied to the refrigeration equipment according to any of the above embodiments, including:

step 301: detecting a current temperature of the refrigerated cabinet;

step 302: adjusting the nitrogen amount of the refrigerated cabinet according to the current temperature of the refrigerated cabinet so as to adjust the current temperature of the refrigerated cabinet to be within a target temperature range.

So, in this embodiment, can be through the current temperature of the freezer that detects, intelligently adjust the nitrogen volume of freezer to guarantee that the temperature of freezer is in target temperature range, so, guaranteed the effective save of freezer to medical supplies.

In some embodiments, said adjusting the amount of nitrogen of said refrigerated cabinet based on the current temperature of said refrigerated cabinet comprises:

and responding to the current temperature of the refrigerated cabinet which is higher than the first preset temperature of the target temperature range, and controlling a first switch module to be opened, wherein the first switch module is arranged between the nitrogen storage device and the nitrogen injection device.

In some embodiments, the controlling the first switch module to open in response to the current temperature of the refrigerated cabinet being greater than the first preset temperature of the target temperature range includes:

in response to a current temperature of the refrigerated cabinet being greater than a first preset temperature of a target temperature range, determining a first temperature difference between the current temperature and the first preset temperature;

determining the nitrogen injection amount for reducing the first temperature difference according to the first temperature difference;

determining a first opening duration of the first switch module according to the nitrogen injection amount;

and controlling the first switch module to be closed after the first opening time after the first switch module is opened according to the first opening time.

In some embodiments, the method further comprises:

determining a first pressure value within the nitrogen storage device; determining the nitrogen injection speed according to the first pressure value;

and determining the first opening time length according to the nitrogen injection speed and the nitrogen injection quantity.

In some embodiments, said adjusting the amount of nitrogen of said refrigerated cabinet based on the current temperature of said refrigerated cabinet comprises:

and responding to a second preset temperature of the current temperature of the refrigerated cabinet smaller than the target temperature range, and controlling the second switch module to be switched on, wherein the second switch module is arranged on the nitrogen discharging device.

In some embodiments, the controlling the second switch module to open in response to the current temperature of the refrigerated cabinet being less than a second preset temperature of the target temperature range includes:

in response to the current temperature of the refrigerated cabinet being less than a second preset temperature of the target temperature range, determining a second temperature difference between the current temperature and the second preset temperature;

determining a nitrogen purge amount that increases the second temperature difference, based on the second temperature difference;

determining a second opening duration of the second switch module according to the nitrogen discharge amount;

and controlling the second switch module to be closed after the second opening time after the second switch module is opened according to the second opening time.

In some embodiments, the method further comprises:

determining a second pressure value within the refrigerated cabinet; determining a nitrogen discharge speed according to the second pressure value;

the second on-time period is determined based on the nitrogen discharge speed and the nitrogen discharge amount.

In some embodiments, the method further comprises: and in response to the nitrogen detector detecting that the nitrogen storage amount is smaller than or equal to the nitrogen storage amount threshold value, sending nitrogen supplement early warning information to monitoring equipment of the emergency station, wherein the nitrogen detector is installed in the nitrogen storage device.

In order to achieve the above object, the present invention also provides a refrigeration method applied to a monitoring device in an emergency station, including:

receiving a processing result of the temperature management module in the refrigeration equipment according to any embodiment, and/or receiving a current temperature of the refrigerated cabinet detected by the temperature sensing module in the refrigeration equipment according to any embodiment.

The processing result here may include: the processing module is used for processing the execution result obtained by any method step executed by the processing module.

To achieve the above object, the present invention further provides a refrigeration device, referring to fig. 4, the refrigeration device includes a processor 501, and a memory 503 connected to the processor 501 through a communication bus 502; wherein, the memory 503 is used for refrigerating program; the processor 501 is configured to detect a current temperature of the refrigerated cabinet; adjusting the amount of nitrogen in the refrigerated cabinet according to the current temperature of the refrigerated cabinet to adjust the current temperature of the refrigerated cabinet to be within a target temperature range.

Optionally, the processor 501 is further configured to: and responding to the current temperature of the refrigerated cabinet which is higher than the first preset temperature of the target temperature range, and controlling a first switch module to be opened, wherein the first switch module is arranged between the nitrogen storage device and the nitrogen injection device.

Optionally, the processor 501 is further configured to: in response to a current temperature of the refrigerated cabinet being greater than a first preset temperature of a target temperature range, determining a first temperature difference between the current temperature and the first preset temperature;

determining the nitrogen injection amount for reducing the first temperature difference according to the first temperature difference;

determining a first opening duration of the first switch module according to the nitrogen injection amount;

and controlling the first switch module to be closed after the first opening time after the first switch module is opened according to the first opening time.

Optionally, the processor 501 is further configured to: determining a first pressure value within the nitrogen storage device; determining the nitrogen injection speed according to the first pressure value;

and determining the first opening time length according to the nitrogen injection speed and the nitrogen injection quantity.

Optionally, the processor 501 is further configured to: and responding to a second preset temperature of the current temperature of the refrigerated cabinet smaller than the target temperature range, and controlling the second switch module to be switched on, wherein the second switch module is arranged on the nitrogen discharging device.

Optionally, the processor 501 is further configured to: in response to the current temperature of the refrigerated cabinet being less than a second preset temperature of the target temperature range, determining a second temperature difference between the current temperature and the second preset temperature;

determining a nitrogen purge amount that increases the second temperature difference, based on the second temperature difference;

determining a second opening duration of the second switch module according to the nitrogen discharge amount;

and controlling the second switch module to be closed after the second opening time after the second switch module is opened according to the second opening time.

Optionally, the processor 501 is further configured to: determining a second pressure value within the refrigerated cabinet; determining a nitrogen discharge speed according to the second pressure value;

the second on-time period is determined based on the nitrogen discharge speed and the nitrogen discharge amount.

Optionally, the processor 501 is further configured to: sending nitrogen supplement early warning information to a monitoring device in the emergency station in response to the nitrogen detector detecting that the nitrogen storage amount is less than or equal to the nitrogen storage amount threshold, wherein the nitrogen detector is installed in the nitrogen storage device.

Optionally, the Processor 501 may be a general-purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, a discrete Gate or transistor logic device, or a discrete hardware component. Here, the program executed by the processor 501 may be stored in a memory 503 connected to the processor 501 through a communication bus 502, and the memory 503 may be a volatile memory or a nonvolatile memory, or may include both volatile and nonvolatile memories. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an Erasable Programmable Read-Only Memory (EPROM), an Electrically Erasable Programmable Read-Only Memory (EEPROM), a magnetic random access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical disk, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM), Enhanced Synchronous Dynamic Random Access Memory (Enhanced Synchronous Dynamic Random Access Memory), Synchronous linked Dynamic Random Access Memory (DRAM, Synchronous Link Dynamic Random Access Memory), Direct Memory (DRmb Random Access Memory). The memory 503 described in connection with the embodiments of the invention is intended to comprise, without being limited to, these and any other suitable types of memory 503. The memory 503 in the present embodiment is used to store various types of data to support the operation of the processor 501. Examples of such data include: any computer programs for the processor 501 to operate on, such as an operating system and application programs; contact data; telephone book data; a message; a picture; video, etc. The operating system includes various system programs, such as a framework layer, a core library layer, a driver layer, and the like, and is used for implementing various basic services and processing hardware-based tasks.

To achieve the above object, the present invention further provides a computer readable storage medium, specifically a computer readable storage medium, storing one or more programs, which are executable by one or more processors 501, so as to make the one or more processors 501 execute the cooling steps of any of the above aspects.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.