Temperature control system for storing sterile instrument bag

Abstract

The invention relates to the field of temperature control systems, in particular to a temperature control system for storing a sterile instrument bag, which comprises a storage part which is of a box body structure, is arranged on a frame of an automobile and comprises an outer structure layer, a middle heat preservation layer and an inner structure layer; the temperature control part comprises a first temperature control unit arranged on the top surface and the rear wall of the storage part and a second temperature control unit arranged on the front wall of the storage part, and the power supply part is connected with the temperature control part and comprises a first power supply unit for supplying power through an automobile fuel system and a second power supply unit for supplying power through an external storage battery; the information acquisition module comprises a path acquisition unit for acquiring path information and a temperature acquisition unit for acquiring external temperature and internal temperature of the storage part; and the control module is respectively connected with the temperature control part, the power supply part and the information acquisition module, and energy consumption is saved on the basis of ensuring the stability of the temperature control system.

Description

Technical Field

[0001] The invention relates to the field of temperature control systems, and in particular to a temperature control system for storing sterile instrument packages. Background Art

[0002] Sterile instrument packages, such as surgical instruments and implants, usually need to be stored and transported under strict temperature conditions. Cold chain transportation prevents the growth and contamination of microorganisms by controlling environmental factors such as temperature and humidity during transportation, thereby ensuring the quality and safety of sterile instrument packages. This is of great significance for ensuring the success rate of surgery and reducing the risk of infection. Generally, the storage temperature of sterile instrument packages should be kept below 24°C.

[0003] Chinese Patent Publication No.: CN109085868A, discloses a storage temperature automatic control system applied to cold chain transportation, the system includes a temperature measuring tag, a data terminal and a host computer equipped with a database, the data terminal and the temperature measuring tag and the host computer all realize data exchange through NFC wireless communication technology, the temperature measuring tag is used to monitor the storage temperature value of cold chain transportation items in real time and transmit the temperature value to the data terminal, the data terminal is used to receive the temperature value and process the temperature value, the host computer processes and evaluates all temperature values ​​and provides data support for the evaluation; the temperature measuring tag includes a temperature measuring module, a first control processing module and a first communication module; the data terminal includes a second communication module and a second control processing module, and the second communication module and the first communication module exchange data. It can be seen that the above technical solution lacks an intelligent adjustment strategy, resulting in excessive energy consumption, thereby increasing transportation costs. Summary of the invention

[0004] To this end, the present invention provides a temperature control system for storing sterile instrument packages, so as to overcome the problem of high energy consumption in cold chain transportation of sterile instrument packages in the prior art.

[0005] To achieve the above object, the present invention provides a temperature control system for storing sterile instrument packages, comprising:

[0006] The storage part is a box structure and is arranged on the frame of the automobile, comprising an outer structure layer, a middle insulation layer, and an inner structure layer;

[0007] The temperature control part includes a first temperature control unit arranged on the top surface and the rear wall of the storage part and a second temperature control unit arranged on the front wall of the storage part, wherein:

[0008] The first temperature control unit comprises a plurality of heat dissipation channels which are parallel and equidistantly connected to and penetrate the top surface of the storage part and the middle insulation layer of the rear wall and the inner structure layer, a guide plate arranged at the entrance of each heat dissipation channel, an electric actuator connected to the guide plate to control the opening and closing of the guide plate, and an outlet of each heat dissipation channel arranged at the bottom end of the rear wall of the storage part, wherein the bottom end of the guide plate is hinged to the outer structure layer of the storage part;

[0009] The second temperature control unit is a refrigeration unit, comprising an external compressor arranged outside the front wall of the storage portion and an internal air outlet unit arranged inside the storage portion;

[0010] A power supply unit connected to the temperature control unit, comprising the first power supply unit powered by the automobile fuel system, and the second power supply unit powered by an external battery;

[0011] An information collection module, comprising a path collection unit for collecting path information, and a temperature collection unit for collecting external temperature and the internal temperature of the storage unit;

[0012] A control module, which is respectively connected to the temperature control unit, the power supply unit and the information acquisition module, is used to determine the power supply strategy of the temperature control unit according to the power supply evaluation value, to determine the temperature control strategy corresponding to the next time period according to the average external temperature within a historical period, and to determine whether the operation of the system meets the preset standard according to the temperature change inside the storage unit within a preset time period.

[0013] Furthermore, a spray head is provided on the inner wall of each heat dissipation channel close to the inlet, and each spray head is connected to a water tank respectively.

[0014] Furthermore, the control module determines a power supply strategy of the temperature control unit according to the power supply evaluation value, wherein:

[0015] If the power supply evaluation value is less than the preset power supply evaluation value, only the first power supply unit is turned on to supply power to the temperature control unit;

[0016] If the power supply evaluation value is greater than or equal to the preset power supply evaluation value, the first power supply unit and the second power supply unit are turned on together to supply power to the temperature control unit.

[0017] Furthermore, the power supply evaluation value is determined based on the length of the total path of a single sterile instrument package transportation obtained by the path acquisition unit and the number of traffic light intersections on the path.

[0018] Furthermore, the control module corrects the preset power supply evaluation value in response to a stagnation time length within a preset driving period being greater than a preset stagnation time length.

[0019] Furthermore, the correction range of the preset power supply evaluation value is positively correlated with the stagnation time difference, wherein the stagnation time difference is the difference between the stagnation time and the preset stagnation time.

[0020] Furthermore, the control module determines the temperature control strategy corresponding to the next period according to the average external temperature within the historical time period, wherein:

[0021] If the outside average temperature is less than the first preset temperature threshold, the control module determines that the temperature control strategy corresponding to the next time period is not to turn on the first temperature control unit and the second temperature control unit;

[0022] If the outside average temperature is greater than or equal to the first preset temperature threshold and less than the second preset temperature threshold, the control module determines that the temperature control strategy corresponding to the next time period is to turn on only the first temperature control unit;

[0023] If the outside average temperature is greater than or equal to the second preset temperature threshold and less than the third preset temperature threshold, the control module determines that the temperature control strategy corresponding to the next time period is to turn on the first temperature control unit and the second temperature control unit;

[0024] If the outside average temperature is greater than or equal to the third preset temperature threshold, the control module determines that the temperature control strategy corresponding to the next time period is to turn on only the second temperature control unit.

[0025] Furthermore, the control module determines whether the operation of the system meets a preset standard according to the temperature change inside the storage unit within a preset period under a first preset condition, wherein:

[0026] If the temperature decreases, the control module determines that the operation of the system meets the preset standard and continues to operate the system according to the current temperature control strategy;

[0027] If the temperature rises and is lower than the preset warning temperature, the control module determines that the operation of the system does not meet the preset standard, and determines the adjustment method of the temperature control strategy according to the average vehicle speed in the preset period;

[0028] If the temperature rises and is greater than or equal to the preset warning temperature, the control module determines that the operation of the system does not meet the preset standard, and switches the temperature control strategy to jointly turn on the first temperature control unit and the second temperature control unit;

[0029] The first preset condition is to turn on only the first temperature control unit.

[0030] Furthermore, the control module determines the adjustment mode of the temperature control strategy according to the average vehicle speed in a preset period of time, wherein:

[0031] If the average vehicle speed is less than the preset average vehicle speed, the temperature control strategy is switched to only turning on the second temperature control unit;

[0032] If the average vehicle speed is greater than or equal to the preset average vehicle speed, the spray volume of each spray head is increased according to the difference between the average vehicle speed and the preset average vehicle speed.

[0033] Furthermore, the control module is provided with several spray volume adjustment methods for increasing the spray volume, and each spray volume adjustment method has a different increase range for the spray volume.

[0034] Compared with the prior art, the beneficial effect of the present invention is that the temperature control part of the present invention includes two temperature control units, which can adjust the temperature control strategy according to the actual transportation conditions, improve the flexibility and adaptability of the temperature control system, and ensure the stable quality of the transported items throughout the transportation process.

[0035] Furthermore, the power supply unit of the present invention includes two power supply units, and the power supply strategy can be adjusted according to the actual transportation situation to minimize energy consumption, thereby reducing transportation costs.

[0036] Furthermore, the first temperature control unit of the present invention adopts water atomization cooling method to greatly reduce energy consumption and carbon emissions, which is in line with the green and low-carbon environmental protection concept.

[0037] Furthermore, the present invention determines a power supply evaluation value based on the length of the total path and the number of intersections on the path acquired by the path acquisition unit, thereby flexibly adjusting the power supply strategy according to the power supply evaluation value, thereby improving energy utilization efficiency.

[0038] Furthermore, the present invention can further reduce energy consumption by making a correction to reduce the preset power supply evaluation value based on the stagnation time during driving being greater than the preset stagnation time.

[0039] Furthermore, the control module of the present invention determines the temperature control strategy corresponding to the next time period according to the average outdoor temperature within the historical time period, thereby improving the stability of the system.

[0040] Furthermore, the control module of the present invention determines whether the system operation meets the preset standard according to the temperature change inside the storage unit under the first preset condition, and adjusts the temperature control strategy according to the average vehicle speed, thereby improving the reliability of the system. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 This is a schematic diagram of the structure of a temperature control system for storing sterile instrument packages according to an embodiment of the present invention;

[0042] Figure 2A cross-sectional view of a temperature control system for storing sterile instrument packages according to an embodiment of the present invention;

[0043] Figure 3 This is a schematic structural diagram of a module of a temperature control system for storing sterile instrument packages according to an embodiment of the present invention;

[0044] Figure 4 This is a flow chart of an embodiment of the present invention for determining a temperature control strategy corresponding to the next time period according to the average outside temperature within a historical period;

[0045] In the figure: 11, frame; 12, outer structural layer; 13, middle insulation layer; 14, inner structural layer; 21, heat dissipation channel; 22, guide plate; 23, electric actuator; 24, outlet of heat dissipation channel; 25, spray head; 31, compressor external unit; 32, air outlet internal unit. DETAILED DESCRIPTION

[0046] In order to make the objects and advantages of the present invention more clearly understood, the present invention is further described below in conjunction with embodiments; it should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0047] Those skilled in the art will appreciate that the system of the present invention may determine a single parameter by selecting the value with the highest proportion as the preset standard parameter based on data distribution, using weighted summation to take the obtained value as the preset standard parameter, substituting each historical data into a specific formula and taking the value obtained by using the formula as the preset standard parameter, or other selection methods, as long as the system of the present invention can clearly define different specific situations in a single determination process through the obtained values.

[0048] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0049] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 4 As shown, they are respectively a schematic diagram of the structure of a temperature control system for storing sterile instrument packages according to an embodiment of the present invention; a cross-sectional view of a temperature control system for storing sterile instrument packages according to an embodiment of the present invention; a schematic diagram of the structure of modules of the temperature control system for storing sterile instrument packages according to an embodiment of the present invention; and a flow chart of a temperature control strategy corresponding to a next time period determined according to the average external temperature within a historical period of time according to an embodiment of the present invention.

[0050] A temperature control system for storing sterile instrument packages according to an embodiment of the present invention comprises:

[0051] The storage part is a box structure and is arranged on the frame 11 of the automobile, including an outer structure layer 12, a middle insulation layer 13, and an inner structure layer 14;

[0052] The temperature control part includes a first temperature control unit arranged on the top surface and the rear wall of the storage part and a second temperature control unit arranged on the front wall of the storage part, wherein:

[0053] The first temperature control unit includes a plurality of heat dissipation channels 21 which are equidistantly and parallelly penetrate the top surface of the storage part and the middle insulation layer 13 and the inner structure layer 14 of the rear wall, a guide plate 22 arranged at the entrance of each heat dissipation channel 21, an electric actuator 23 connected to the guide plate 22 for controlling the opening and closing of the guide plate 22, and an outlet 24 of each heat dissipation channel arranged at the bottom end of the rear wall of the storage part, wherein the bottom end of the guide plate 22 is hinged to the outer structure layer 12 of the storage part;

[0054] The second temperature control unit is a refrigeration unit, including a compression external unit 31 arranged outside the front wall of the storage part and an air outlet internal unit 32 arranged inside the storage part;

[0055] A power supply unit connected to the temperature control unit, comprising the first power supply unit powered by the automobile fuel system, and the second power supply unit powered by an external battery;

[0056] An information collection module, comprising a path collection unit for collecting path information, and a temperature collection unit for collecting external temperature and the internal temperature of the storage unit;

[0057] A control module, which is respectively connected to the temperature control unit, the power supply unit and the information acquisition module, is used to determine the power supply strategy of the temperature control unit according to the power supply evaluation value, to determine the temperature control strategy corresponding to the next time period according to the average external temperature within a historical period, and to determine whether the operation of the system meets the preset standard according to the temperature change inside the storage unit within a preset time period.

[0058] Specifically, a spray head 25 is provided on the inner wall of each heat dissipation channel close to the entrance, and each spray head 25 is connected to a water tank respectively.

[0059] Specifically, the control module determines the power supply strategy of the temperature control unit according to the power supply evaluation value, wherein:

[0060] If the power supply evaluation value is less than a preset power supply evaluation value of 0.85, only the first power supply unit is turned on to supply power to the temperature control unit;

[0061] If the power supply evaluation value is greater than or equal to the preset power supply evaluation value, the first power supply unit and the second power supply unit are turned on together to supply power to the temperature control unit.

[0062] Specifically, the power supply evaluation value is calculated by the following formula:

[0063]

[0064] In the formula, E represents the power supply evaluation value, represents the first evaluation coefficient, and is set. L represents the total path length, Ly represents the total path length threshold, and Ly is set to 80 km. represents the second evaluation coefficient, and is set. R represents the number of traffic light intersections on the path, Ry represents the threshold of the number of traffic light intersections on the path, and Ry is set to 30.

[0065] Specifically, the control module corrects the preset power supply evaluation value in response to a stagnation time length within a preset driving period of 15 minutes being greater than a preset stagnation time length of 3 minutes.

[0066] Specifically, the control module corrects the preset power supply evaluation value according to the stagnation time difference, wherein:

[0067] If the stagnation time difference is less than the first preset stagnation time difference of 1.5min, the preset power supply evaluation value is reduced to a corresponding value using the first time adjustment coefficient of 0.98;

[0068] If the stagnation time difference is greater than or equal to the first preset stagnation time difference and less than the second preset stagnation time difference of 2.2min, the preset power supply evaluation value is reduced to a corresponding value using the second time adjustment coefficient of 0.95;

[0069] If the stagnation time difference is greater than or equal to the second preset stagnation time difference, the preset power supply evaluation value is reduced to a corresponding value using a third time adjustment coefficient of 0.92;

[0070] The stagnation time difference is the difference between the stagnation time and the preset stagnation time.

[0071] Specifically, the control module determines the temperature control strategy corresponding to the next period according to the average external temperature within the historical duration of 10 minutes, wherein:

[0072] If the outside average temperature is lower than the first preset temperature threshold of 20° C., the control module determines that the temperature control strategy corresponding to the next time period is not to turn on the first temperature control unit and the second temperature control unit;

[0073] If the outside average temperature is greater than or equal to the first preset temperature threshold and less than the second preset temperature threshold of 24° C., the control module determines that the temperature control strategy corresponding to the next time period is to turn on only the first temperature control unit;

[0074] If the outside average temperature is greater than or equal to the second preset temperature threshold and less than the third preset temperature threshold of 30°C, the control module determines that the temperature control strategy corresponding to the next time period is to turn on the first temperature control unit and the second temperature control unit;

[0075] If the outside average temperature is greater than or equal to the third preset temperature threshold, the control module determines that the temperature control strategy corresponding to the next time period is to turn on only the second temperature control unit.

[0076] Specifically, turning on the first temperature control unit is turning on the guide plate and turning on the spray head.

[0077] Specifically, turning on the second temperature control unit is turning on the compression outdoor unit and the air outlet indoor unit.

[0078] Specifically, the control module determines whether the operation of the system meets the preset standard according to the temperature change inside the storage unit within a preset period under the first preset condition, wherein:

[0079] If the temperature decreases, the control module determines that the operation of the system meets the preset standard and continues to operate the system according to the current temperature control strategy;

[0080] If the temperature rises and is lower than the preset warning temperature of 22°C, the control module determines that the operation of the system does not meet the preset standard, and determines the adjustment method of the temperature control strategy according to the average vehicle speed in the preset period;

[0081] If the temperature rises and is greater than or equal to the preset warning temperature, the control module determines that the operation of the system does not meet the preset standard, and switches the temperature control strategy to jointly turn on the first temperature control unit and the second temperature control unit;

[0082] The first preset condition is to turn on only the first temperature control unit.

[0083] Specifically, the control module determines the adjustment method of the temperature control strategy according to the average vehicle speed in a preset period of time, wherein:

[0084] If the average vehicle speed is less than a preset average vehicle speed of 65 km / h, the temperature control strategy is switched to only turning on the second temperature control unit;

[0085] If the average vehicle speed is greater than or equal to the preset average vehicle speed, the spray volume of each spray head is increased according to the difference between the average vehicle speed and the preset average vehicle speed.

[0086] Specifically, the control module increases the spray volume of the spray head according to the difference between the average vehicle speed and the preset average vehicle speed, wherein:

[0087] If the average speed difference is less than the first preset speed difference of 5 km / h, the spray volume of the spray head is increased to a corresponding value using the first adjustment coefficient 1.01;

[0088] If the average vehicle speed difference is greater than or equal to the first preset vehicle speed difference and less than the second preset vehicle speed difference of 11 km / h, the spray volume of the spray head is increased to a corresponding value using a second adjustment coefficient of 1.03;

[0089] If the average vehicle speed difference is greater than or equal to the second preset vehicle speed difference, the spray volume of the spray head is increased to a corresponding value using a third adjustment coefficient of 1.05;

[0090] The average vehicle speed difference is the difference between the average vehicle speed and the preset average vehicle speed.

[0091] So far, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

[0092] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A temperature control system for storing sterile instrument packages, characterized in that: include: The storage part is a box structure and is arranged on the frame of the automobile, comprising an outer structure layer, a middle insulation layer, and an inner structure layer; The temperature control part includes a first temperature control unit arranged on the top surface and the rear wall of the storage part and a second temperature control unit arranged on the front wall of the storage part, wherein: The first temperature control unit comprises a plurality of heat dissipation channels which are parallel and equidistantly connected to and penetrate the top surface of the storage part and the middle insulation layer of the rear wall and the inner structure layer, a guide plate arranged at the entrance of each heat dissipation channel, an electric actuator connected to the guide plate to control the opening and closing of the guide plate, and an outlet of each heat dissipation channel arranged at the bottom end of the rear wall of the storage part, wherein the bottom end of the guide plate is hinged to the outer structure layer of the storage part; The second temperature control unit is a refrigeration unit, comprising an external compressor arranged outside the front wall of the storage portion and an internal air outlet unit arranged inside the storage portion; A power supply unit connected to the temperature control unit, comprising the first power supply unit powered by the automobile fuel system, and the second power supply unit powered by an external battery; An information collection module, comprising a path collection unit for collecting path information, and a temperature collection unit for collecting external temperature and the internal temperature of the storage unit; A control module, which is respectively connected to the temperature control unit, the power supply unit and the information acquisition module, is used to determine the power supply strategy of the temperature control unit according to the power supply evaluation value, to determine the temperature control strategy corresponding to the next time period according to the average external temperature within a historical period, and to determine whether the operation of the system meets the preset standard according to the temperature change inside the storage unit within a preset time period.

2. The temperature control system for storing sterile instrument packages according to claim 1, characterized in that: The inner wall of each heat dissipation channel close to the inlet is provided with a spray head, and each spray head is connected to the water tank respectively.

3. The temperature control system for storing sterile instrument packages according to claim 2, characterized in that: The control module determines the power supply strategy of the temperature control unit according to the power supply evaluation value, wherein: If the power supply evaluation value is less than the preset power supply evaluation value, only the first power supply unit is turned on to supply power to the temperature control unit; If the power supply evaluation value is greater than or equal to the preset power supply evaluation value, the first power supply unit and the second power supply unit are turned on together to supply power to the temperature control unit.

4. The temperature control system for storing sterile instrument packages according to claim 3, characterized in that: The power supply evaluation value is determined based on the total length of a single sterile instrument package transportation route acquired by the route acquisition unit and the number of traffic light intersections on the route.

5. The temperature control system for storing sterile instrument packages according to claim 4, characterized in that: The control module corrects the preset power supply evaluation value in response to a stagnation time length within a preset driving period being greater than a preset stagnation time length.

6. The temperature control system for storing sterile instrument packages according to claim 5, characterized in that: The correction range of the preset power supply evaluation value is positively correlated with the stagnation time difference, wherein the stagnation time difference is the difference between the stagnation time and the preset stagnation time.

7. The temperature control system for storing sterile instrument packages according to claim 6, characterized in that: The control module determines the temperature control strategy corresponding to the next period according to the average external temperature within the historical time period, wherein: If the outside average temperature is less than the first preset temperature threshold, the control module determines that the temperature control strategy corresponding to the next time period is not to turn on the first temperature control unit and the second temperature control unit; If the outside average temperature is greater than or equal to the first preset temperature threshold and less than the second preset temperature threshold, the control module determines that the temperature control strategy corresponding to the next time period is to turn on only the first temperature control unit; If the outside average temperature is greater than or equal to the second preset temperature threshold and less than the third preset temperature threshold, the control module determines that the temperature control strategy corresponding to the next time period is to turn on the first temperature control unit and the second temperature control unit together; If the outside average temperature is greater than or equal to the third preset temperature threshold, the control module determines that the temperature control strategy corresponding to the next time period is to turn on only the second temperature control unit.

8. The temperature control system for storing sterile instrument packages according to claim 7, characterized in that: The control module determines whether the operation of the system meets the preset standard according to the temperature change inside the storage unit within a preset period under the first preset condition, wherein: If the temperature decreases, the control module determines that the operation of the system meets the preset standard and continues to operate the system according to the current temperature control strategy; If the temperature rises and is lower than the preset warning temperature, the control module determines that the operation of the system does not meet the preset standard, and determines the adjustment method of the temperature control strategy according to the average vehicle speed in the preset period; If the temperature rises and is greater than or equal to the preset warning temperature, the control module determines that the operation of the system does not meet the preset standard, and switches the temperature control strategy to jointly turn on the first temperature control unit and the second temperature control unit; The first preset condition is to turn on only the first temperature control unit.

9. The temperature control system for storing sterile instrument packages according to claim 8, characterized in that: The control module determines the adjustment mode of the temperature control strategy according to the average vehicle speed in a preset period of time, wherein: If the average vehicle speed is less than the preset average vehicle speed, the temperature control strategy is switched to only turning on the second temperature control unit; If the average vehicle speed is greater than or equal to the preset average vehicle speed, the spray volume of each spray head is increased according to the difference between the average vehicle speed and the preset average vehicle speed.

10. The temperature control system for storing sterile instrument packages according to claim 9, characterized in that: The control module is provided with several spray volume adjustment modes for increasing the spray volume, and each spray volume adjustment mode has a different increase range for the spray volume.

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