CN112214049B - Temperature control method and system for mobile blood bank - Google Patents
Temperature control method and system for mobile blood bank Download PDFInfo
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- CN112214049B CN112214049B CN202011076130.5A CN202011076130A CN112214049B CN 112214049 B CN112214049 B CN 112214049B CN 202011076130 A CN202011076130 A CN 202011076130A CN 112214049 B CN112214049 B CN 112214049B
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- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
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Abstract
The invention discloses a temperature control method and a temperature control system for a mobile blood bank, which are used for collecting the temperature of a blood bag; if the average temperature of the blood bag within the time period T is less than the threshold value DeltaT0Then judging whether the blood bag temperature is greater than or equal to the threshold value DeltaT1And if so, controlling the mobile blood bank to enter a corresponding refrigeration control mode according to the temperature interval of the blood bag temperature. The invention sets two links of blood bag temperature threshold comparison, directly and accurately controls the blood bag temperature, and greatly improves the precision of blood bag temperature control.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to a temperature control method and system for a mobile blood bank.
Background
The mobile blood bank refers to a mobile refrigeration device for transporting blood, during the blood transportation process, the blood needs to be controlled to be stored in a proper temperature, otherwise, the blood is deteriorated due to overhigh or overlow temperature. The existing medical refrigerating box or the mobile blood bank can only measure the temperature in the whole box body, the temperature of each blood bag is not controlled, the influence of the environmental temperature is not considered, and the temperature control accuracy is lower.
Disclosure of Invention
The invention aims to solve the technical problem that the temperature control method and the temperature control system for the mobile blood bank are provided aiming at the defects of the prior art, so that the accuracy of the temperature control of the blood bag is improved.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a temperature control method for a mobile blood bank comprises the following steps:
s1, collecting the temperature of each blood bag;
s2, if the average temperature of the blood bag in the time period T is less than the threshold value DeltaT0Then, go to step S3;
s3, judging whether the temperature of the blood bag is higher than or equal toEqual to threshold value DeltaT1If so, controlling the mobile blood bank to enter a corresponding refrigeration control mode according to the temperature interval of the blood bag; otherwise, return to step S1;
wherein, Delta T0＞△T1。
Aiming at the temperature control of the blood bag, the invention sets two threshold judgment links (delta T)0、△T1) The blood bag temperature control device greatly improves the blood bag temperature control precision, and can accurately control the blood bag temperature within a set range, thereby effectively avoiding blood deterioration.
In step S3, according to the temperature interval of the blood bag temperature, the specific implementation process of controlling the mobile blood bank to enter the corresponding refrigeration control mode includes:
setting the temperature of the blood bag as TkIf T is1≤Tk≤T2Controlling the mobile blood bank to enter a first refrigeration control mode;
if T2＜Tk≤T3Controlling the mobile blood bank to enter a second refrigeration control mode;
if T3＜Tk≤T4If so, controlling the mobile blood bank to enter a third refrigeration control mode;
wherein T1 < T2 < T3 < T4; t1, T2, T3 and T4 are set temperatures.
In a first refrigeration control mode, the compressor of the mobile blood bank operates at a rotating speed V1; in the second refrigeration control mode, the compressor of the mobile blood bank operates at the rotating speed V2; in a third refrigeration control mode, the compressor of the mobile blood bank operates at a rotating speed V3; wherein, the rotating speeds V1, V2 and V3 are all larger than zero.
In order to further improve the control accuracy, in step S3, after the mobile blood bank is controlled to enter the corresponding refrigeration control mode, the average temperature of the blood bags in the time period T is smaller than the threshold value Δ T0Judging whether the blood bag temperature reaches the target temperature or not, and ending if the blood bag temperature reaches the target temperature.
In order to further improve the control precision, the invention is also provided with an environment temperature detection link, in step S2, if the average temperature of the blood bag in the time period T is more than or equal toThreshold value DeltaT0Measuring the ambient temperature outside the mobile blood bank, if the ambient temperature is greater than or equal to a threshold Δ T2If yes, controlling the mobile blood bank to enter a rapid cooling mode, and returning to the step S1; otherwise, the process proceeds to step S3.
The invention also provides a temperature control system of the mobile blood bank, which comprises computer equipment; the computer device is configured or programmed for performing the steps of the above-described method of the invention.
In order to facilitate the temperature collection, the computer device is connected with a plurality of first temperature sensing devices for measuring the temperature of the blood bag and at least one second temperature sensing device for measuring the temperature of the environment outside the mobile blood bank.
To facilitate control of the rotational speed of the compressor, the computer device is connected to the compressor of the mobile blood bank.
In the present invention, the computer device is a microprocessor.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention sets two links of comparing the blood bag temperature threshold values, directly and accurately controls the blood bag temperature, and greatly improves the precision of the blood bag temperature control;
2. the invention sets an environmental temperature comparison link, further improves the accuracy of blood bag temperature control;
3. according to the invention, after the mobile blood bank is controlled to enter the corresponding refrigeration control mode, whether the temperature of the blood bag meets the threshold requirement is further judged, and the accuracy of blood bag temperature control is further improved.
Drawings
FIG. 1 is a flowchart of a control method according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1, an embodiment of the present invention includes the steps of:
s1, collecting the temperature of each blood bag in real time;
s2, if the average temperature of the blood bag in the time period T is less than the threshold value DeltaT0Then, go to step S4; otherwise, go to step S3;
s3, if the average temperature of the blood bag in the time period T is larger than or equal to the threshold value DeltaT0Measuring the ambient temperature outside the mobile blood bank, if the ambient temperature is greater than or equal to a threshold Δ T2If yes, controlling the mobile blood bank to enter a rapid cooling mode, and returning to the step S1; otherwise, go to step S4;
s4, judging whether the blood bag temperature is larger than or equal to the threshold value delta T1If so, controlling the mobile blood bank to enter a corresponding refrigeration control mode according to the temperature interval of the blood bag; otherwise, return to step S1;
wherein, Delta T0＞△T1。
In the embodiment of the present invention, the time period T may be set manually as needed, for example, may be set to 30 seconds, of course, T may also be set to be less than 30 seconds in order to further improve the control accuracy, and T may also be set to be greater than 30 seconds in order to reduce the calculation amount.
In the embodiment of the invention, the target temperature of the blood bag temperature can be set to be 3 ℃; threshold value DeltaT of ambient temperature2Can be set to 28 ℃ (and can also be set to 30 ℃ or 35 ℃ according to the requirement). Delta T0、△T1Should be set to be greater than the target temperature.
In step S4, according to the temperature interval of the blood bag temperature, the specific implementation process of controlling the mobile blood bank to enter the corresponding refrigeration control mode includes:
setting the temperature of the blood bag as TkIf T is1≤Tk≤T2Controlling the mobile blood bank to enter a first refrigeration control mode;
if T2＜Tk≤T3Controlling the mobile blood bank to enter a second refrigeration control mode;
if T3＜Tk≤T4If so, controlling the mobile blood bank to enter a third refrigeration control mode;
wherein T1 < T2 < T3 < T4; t1, T2, T3 and T4 are set temperatures.
In the embodiment of the invention, T1、T2、T3The setting required by actual use can be realized.
In the embodiment of the invention, different refrigeration control modes correspond to different compressor rotating speeds, and the compressor of the mobile blood bank operates at a rotating speed of V1 in the first refrigeration control mode; in the second refrigeration control mode, the compressor of the mobile blood bank operates at the rotating speed V2; in a third refrigeration control mode, the compressor of the mobile blood bank operates at a rotating speed V3; wherein, the rotating speeds V1, V2 and V3 are all larger than zero.
In the embodiment of the present invention, after entering the corresponding refrigeration mode, in order to determine whether the target temperature is reached, and further improve the control accuracy, the following operations are also performed: in step S4, if the mobile blood bank is controlled to enter the corresponding refrigeration control mode, the average temperature of the blood bags within the time period T is less than the threshold value Δ T0Judging whether the blood bag temperature reaches the target temperature or not, and ending if the blood bag temperature reaches the target temperature.
Another embodiment of the present invention further provides a temperature control system for a mobile blood bank, which includes a computer device; the computer device is configured or programmed to perform the steps of the method of the above-described embodiment of the invention.
The computer equipment is connected with a plurality of first temperature sensing devices for measuring the temperature of the blood bags and at least one second temperature sensing device for measuring the temperature of the external environment of the mobile blood bank.
The first temperature sensing device and the second temperature sensing device are both temperature sensors. Every blood bag corresponds and contacts with a temperature sensing device, is convenient for acquire blood bag temperature in real time.
In an embodiment of the invention, the computer device is connected to a compressor of the mobile blood bank for easy control.
The computer device of the embodiment of the invention can be a microprocessor, such as a DSP, an ARM, a singlechip and other processors, and can also be a control circuit board and other structures.
Claims (7)
1. A temperature control method for a mobile blood bank is characterized by comprising the following steps:
s1, collecting the temperature of each blood bag;
s2, if the average temperature of the blood bag in the time period T is smallAt threshold value DeltaT0Then, go to step S3; if the average temperature of the blood bag within the time period T is greater than or equal to the threshold value DeltaT0Measuring the ambient temperature outside the mobile blood bank, if the ambient temperature is greater than or equal to a threshold Δ T2If yes, controlling the mobile blood bank to enter a rapid cooling mode, and returning to the step S1; otherwise, go to step S3;
s3, judging whether the blood bag temperature is larger than or equal to the threshold value delta T1If so, controlling the mobile blood bank to enter a corresponding refrigeration control mode according to the temperature interval of the blood bag; otherwise, return to step S1;
wherein, Delta T0＞△T1；
In step S3, according to the temperature interval of the blood bag temperature, the specific implementation process of controlling the mobile blood bank to enter the corresponding refrigeration control mode includes:
setting the temperature of the blood bag as TkIf T is1≤Tk≤T2Controlling the mobile blood bank to enter a first refrigeration control mode;
if T2＜Tk≤T3Controlling the mobile blood bank to enter a second refrigeration control mode;
if T3＜Tk≤T4If so, controlling the mobile blood bank to enter a third refrigeration control mode;
wherein T1 < T2 < T3 < T4; t is1、T2、T3、T4Is the set temperature.
2. The method of claim 1, wherein in the first cooling control mode, the mobile blood bank compressor operates at a speed of V1; in the second refrigeration control mode, the compressor of the mobile blood bank operates at the rotating speed V2; in a third refrigeration control mode, the compressor of the mobile blood bank operates at a rotating speed V3; wherein, the rotating speeds V1, V2 and V3 are all larger than zero.
3. The method as claimed in claim 1, wherein in step S3, if the mobile blood bank is controlled to enter the corresponding refrigeration controlAfter the pattern, the average temperature of the blood bag is less than the threshold DeltaT within the time period T0Judging whether the blood bag temperature reaches the target temperature or not, and ending if the blood bag temperature reaches the target temperature.
4. A mobile blood bank temperature control system comprising a computer device; the computer device is configured or programmed for carrying out the steps of the method according to one of claims 1 to 3.
5. The mobile blood bank temperature control system of claim 4, wherein the computer device is connected to a plurality of first temperature sensing devices for measuring the temperature of the blood bag, at least one second temperature sensing device for measuring the temperature of the environment outside the mobile blood bank.
6. The mobile blood bank temperature control system of claim 5, wherein the computer device is connected to a compressor of the mobile blood bank.
7. The system of any one of claims 4 to 6, wherein the computer device is a microprocessor.
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| CN202011076130.5A CN112214049B (en) | 2020-10-10 | 2020-10-10 | Temperature control method and system for mobile blood bank |
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| CN202011076130.5A CN112214049B (en) | 2020-10-10 | 2020-10-10 | Temperature control method and system for mobile blood bank |
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| CN112214049B true CN112214049B (en) | 2021-12-03 |
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