CN111336737A - Medical refrigeration appliance with multi-dimensional temperature sensor control system - Google Patents
Medical refrigeration appliance with multi-dimensional temperature sensor control system Download PDFInfo
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- CN111336737A CN111336737A CN202010146563.7A CN202010146563A CN111336737A CN 111336737 A CN111336737 A CN 111336737A CN 202010146563 A CN202010146563 A CN 202010146563A CN 111336737 A CN111336737 A CN 111336737A
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- temperature
- temperature sensor
- refrigeration appliance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/002—Defroster control
- F25D21/004—Control mechanisms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/06—Removing frost
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D29/00—Arrangement or mounting of control or safety devices
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a medical refrigeration appliance with a multi-dimensional temperature sensor control system, which comprises a refrigeration appliance, wherein a control panel, a control temperature sensor, an upper display temperature sensor, a lower display temperature sensor, an evaporation temperature sensor, a humidity sensor, a condenser temperature sensor, an environment temperature sensor and a display panel are arranged in the refrigeration appliance; the control panel is connected with control temperature sensor, last demonstration temperature sensor, lower demonstration temperature sensor, evaporation temperature sensor, humidity transducer, condensation temperature sensor, ambient temperature sensor and display panel respectively. According to the medical refrigeration appliance with the multi-dimensional temperature sensor control system, the temperature of each position in the medical refrigeration appliance is accurately detected by adopting the plurality of temperature sensors, so that the temperature in a room is accurately controlled, the accuracy of temperature display is improved, and the safe and normal operation of a refrigeration component, an evaporation system and a condensation system in the period can be ensured.
Description
Technical Field
The invention belongs to the technical field of refrigeration appliances, and relates to a medical refrigeration appliance with a multi-dimensional temperature sensor control system.
Background
A compartment of a sensor of a traditional refrigeration appliance is generally provided with one or two temperature sensors for detecting the temperature in a box, the start and stop of a refrigerated compressor are controlled through the signal change of the sensors, the temperature in the box is displayed on a display screen, and the temperature sensors are used as a control signal for controlling the start and stop of the compressor and a signal displayed to the display screen. When the box is bigger, the wind flow direction in the room and the distance from the cooling evaporator are different, which can cause the temperature in the room to be uneven. Fewer sensors cannot fully detect the temperature in the room. At this moment, 1-2 sensors can not meet the requirements, if the control display is carried out by using a software algorithm and the like, mistakes are easy to occur, the display is inaccurate, the temperature of a temperature zone is inaccurate, and the user experience is influenced.
Disclosure of Invention
The invention aims to provide a medical refrigeration appliance with a multi-dimensional temperature sensor control system, which solves the problem of inaccurate temperature detection and display in the prior art and cannot reasonably control according to the temperature in the refrigeration appliance.
The purpose of the invention can be realized by the following technical scheme:
a medical refrigeration appliance with a multi-dimensional temperature sensor control system comprises a refrigeration appliance, wherein a control panel, a control temperature sensor, an upper display temperature sensor, a lower display temperature sensor, a condenser temperature sensor, an ambient temperature sensor and a display panel are arranged in the refrigeration appliance; the control panel is respectively connected with a control temperature sensor, an upper display temperature sensor, a lower display temperature sensor, a condensation temperature sensor, an environment temperature sensor and a display panel;
the control temperature sensor is arranged in the air duct and used for detecting the temperature of the air duct of the refrigeration appliance and sending the detected temperature of the air duct to the control board;
the upper display temperature sensor is arranged in the refrigeration appliance and used for detecting the temperature at the upper end of the refrigeration appliance and sending the detected temperature at the upper end of the refrigeration appliance to the control board; the lower display temperature sensor is arranged in the refrigeration appliance and used for detecting the temperature at the lower end of the refrigeration appliance and sending the detected temperature at the lower end of the refrigeration appliance to the control board; the condensation temperature sensor is fixed on a condensation pipeline of the compressor bin and used for detecting the temperature of the condensation pipeline and sending the detected temperature of the condensation pipeline to the control panel; the environment temperature sensor is used for detecting the temperature outside the refrigeration appliance and sending the detected outside temperature to the control panel; the display panel is in data transmission communication with the control panel, receives the average temperature in the refrigeration appliance sent by the control panel and displays the average temperature in the refrigeration appliance;
the control panel is used for receiving the upper end temperature sent by the upper display temperature sensor and the lower end temperature sent by the lower display temperature sensor, averaging the obtained upper end temperature and the lower end temperature, sending the average temperature to the display panel, the control panel obtaining the display temperature on the display panel and receiving and controlling the temperature of the air channel sent by the temperature sensor, the control panel judging whether the display temperature is greater than the set temperature T, if the display temperature is greater than the set temperature, the control panel controlling the compressor to stop, if the display temperature is less than the set temperature, the control panel judging whether the air channel temperature sent by the temperature sensor is greater than the set temperature point T, if the air channel temperature sent by the temperature sensor is greater than the set temperature point T, the control panel controlling the compressor to start, and if the air channel temperature sent by the temperature sensor is lower than the set temperature point T, the control panel controls the compressor to stop;
the control panel receives the temperature in the refrigeration utensil outside that ambient temperature sensor sent, and compare the ambient temperature who receives with setting for temperature reference value T, if be higher than temperature reference value T, then control panel control compressor operates with high rotational speed, if be lower than temperature reference value T, then control panel control compressor operates with low rotational speed, and simultaneously, the control panel receives the temperature of the condensation duct that condensation temperature sensor sent, the control panel carries out the difference in temperature statistics with the ambient temperature with the temperature of the condensation duct that receives, and compare the difference in temperature of statistics and the safety value T of setting for, if be higher than the safety value T of setting for, then control panel control compressor stops, and control radiator fan lasts work, when the difference in temperature of statistics is less than the safety value T of setting for, control panel control refrigerating system carries out normal work.
Further, still include evaporation temperature sensor and humidity transducer, the control panel is connected with evaporation temperature sensor and humidity transducer respectively.
Further, the evaporation temperature sensor is arranged at the evaporator of the refrigeration appliance and used for detecting the temperature of the evaporator and sending the detected temperature of the evaporator to the control board;
the control panel receives the temperature of the evaporator sent by the evaporation temperature sensor, the control panel compares the received temperature of the evaporator with a set temperature reference T (periodic work, 24 hours of accumulated starting time, 2-3 times of comparison), if the temperature is higher than the temperature reference T, the evaporator heating system is controlled to stop defrosting, and if the temperature is lower than the temperature reference T, the evaporator heating system is controlled to start working.
Further, the humidity sensor is arranged in the refrigeration appliance and used for detecting the humidity in the refrigeration appliance and sending the detected humidity in the refrigeration appliance to the control board;
the control panel receives the humidity in the refrigeration appliance sent by the humidity sensor, sends the humidity in the refrigeration appliance to the temperature reference value H for comparison, and if the humidity is higher than the temperature reference value H, the control glass door heating system starts high-frequency work and the indoor dehumidifying device starts work, and if the humidity is lower than the temperature reference value H, the control glass door heating system starts low-frequency work.
The invention has the beneficial effects that:
according to the medical refrigeration appliance with the multi-dimensional temperature sensor control system, the temperature of each position in the medical refrigeration appliance is accurately detected by adopting the plurality of temperature sensors, so that the temperature in a room is accurately controlled, the accuracy of temperature display is improved, and the safe and normal operation of a refrigeration component, an evaporation system and a condensation system in the period can be ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a medical refrigeration appliance having a multi-dimensional temperature sensor control system according to the present invention;
FIG. 2 is a control flow chart of the present invention based on upper and lower display temperature sensors;
FIG. 3 is a flow chart of the control based on condensing temperature and ambient temperature in the present invention;
fig. 4 is a control flow chart based on evaporation temperature and humidity in the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a medical refrigeration device with a multi-dimensional temperature sensor control system includes a refrigeration device, in which a control panel, an evaporation temperature sensor 1, a control temperature sensor 2, an upper display temperature sensor 3, a humidity sensor 4, a lower display temperature sensor 5, a condenser temperature sensor 6, an ambient temperature sensor 7 and a display panel are installed;
the control panel is respectively connected with the evaporation temperature sensor 1, the control temperature sensor 2, the upper display temperature sensor 3, the humidity sensor 4, the lower display temperature sensor 5, the condensation temperature sensor 6, the ambient temperature sensor 7 and the display panel;
the evaporation temperature sensor 1 is arranged at an evaporator of the refrigeration appliance and used for detecting the temperature of the evaporator and sending the detected temperature of the evaporator to the control panel;
the control temperature sensor 2 is arranged in the air duct and used for detecting the temperature of the air duct of the refrigeration appliance and sending the detected temperature of the air duct to the control board;
the upper display temperature sensor 3 is arranged in the refrigeration appliance and used for detecting the temperature at the upper end of the refrigeration appliance and sending the detected temperature at the upper end of the refrigeration appliance to the control board;
the humidity sensor 4 is arranged in the refrigeration appliance and used for detecting the humidity in the refrigeration appliance and sending the detected humidity in the refrigeration appliance to the control board;
the lower display temperature sensor 5 is arranged in the refrigeration appliance and used for detecting the temperature at the lower end of the refrigeration appliance and sending the detected temperature at the lower end of the refrigeration appliance to the control board;
the condensation temperature sensor 6 is fixed on a condensation pipeline of the compressor bin and used for detecting the temperature of the condensation pipeline and sending the detected temperature of the condensation pipeline to the control panel;
the environment temperature sensor 7 is used for detecting the temperature outside the refrigeration appliance and sending the detected outside temperature to the control panel;
and the display panel is in data transmission communication with the control panel, receives the average temperature in the refrigeration appliance sent by the control panel and displays the average temperature in the refrigeration appliance.
The control board is used for receiving the upper end temperature sent by the upper display temperature sensor 3 and the lower end temperature sent by the lower display temperature sensor 5, averaging the obtained upper end temperature and the lower end temperature, sending the average temperature to the display board, the control board obtaining the display temperature on the display board, receiving and controlling the temperature of the air channel sent by the temperature sensor 2, judging whether the display temperature is greater than a set temperature T1 by the control board, if the display temperature is greater than the set temperature, controlling the compressor to stop, if the display temperature is less than the set temperature T1, judging whether the air channel temperature sent by the temperature sensor 2 is greater than a set temperature point T2 by the control board, if the air channel temperature sent by the temperature sensor 2 is greater than a set temperature point T2, controlling the compressor to start, and if the air channel temperature sent by the temperature sensor 2 is lower than the set temperature point T2, the control board controls the compressor to stop.
The control board receives the temperature of the outside of the refrigeration device sent by the ambient temperature sensor 7, compares the received ambient temperature with a set temperature reference value T3, if the temperature is higher than the temperature reference value T3, the control board controls the compressor to operate at a high rotation speed, if the temperature is lower than the temperature reference value T3, the control board controls the compressor to operate at a low rotation speed, meanwhile, the control board receives the temperature of the condensation duct sent by the condensation temperature sensor 6, the control board performs temperature difference statistics on the received temperature of the condensation duct and the ambient temperature, compares the statistical temperature difference with a set safety value T4, if the temperature is higher than the set safety value T4, the control board controls the compressor to stop and controls the cooling fan to operate continuously, and if the statistical temperature difference is lower than the set safety value T4, the control board controls the refrigeration system to operate normally.
Meanwhile, the control board receives the temperature of the evaporator sent by the evaporation temperature sensor 1, the control board compares the received temperature of the evaporator with a set temperature reference T5 (periodic work, cumulative starting time is 24 hours, and comparison is carried out for 2-3 times), if the temperature is higher than the temperature reference T5, the evaporator heating system is controlled to stop defrosting, if the temperature is lower than the temperature reference T5, the evaporator heating system is controlled to start working, the control board receives the humidity in the refrigeration appliance sent by the humidity sensor, the humidity in the refrigeration appliance is sent to a temperature reference value H0 for comparison, if the temperature is higher than the temperature reference value H0, the glass door heating system is controlled to start high-frequency work, the indoor dehumidifying device starts working, and if the temperature is lower than the temperature reference value H0, the door heating system is controlled to carry out low-frequency work.
The foregoing is merely exemplary and illustrative of the principles of the present invention and various modifications, additions and substitutions of the specific embodiments described herein may be made by those skilled in the art without departing from the principles of the present invention or exceeding the scope of the claims set forth herein.
Claims (6)
1. A medical refrigeration appliance with a multi-dimensional temperature sensor control system comprises a refrigeration appliance, wherein a control panel, a control temperature sensor (2), an upper display temperature sensor (3), a lower display temperature sensor (5), a condenser temperature sensor (6), an ambient temperature sensor (7) and a display panel are arranged in the refrigeration appliance;
the method is characterized in that:
the control panel is respectively connected with the control temperature sensor (2), the upper display temperature sensor (3), the lower display temperature sensor (5), the condensation temperature sensor (6), the environment temperature sensor (7) and the display panel;
the control temperature sensor (2) is arranged in the air duct and used for detecting the temperature of the air duct of the refrigeration appliance and sending the detected temperature of the air duct to the control board;
the upper display temperature sensor (3) is arranged in the refrigeration appliance and used for detecting the temperature at the upper end of the refrigeration appliance and sending the detected temperature at the upper end of the refrigeration appliance to the control board;
the lower display temperature sensor (5) is arranged in the refrigeration appliance and used for detecting the temperature at the lower end of the refrigeration appliance and sending the detected temperature at the lower end of the refrigeration appliance to the control board;
the condensation temperature sensor (6) is fixed on a condensation pipeline of the compressor bin and used for detecting the temperature of the condensation pipeline and sending the detected temperature of the condensation pipeline to the control panel;
the environment temperature sensor (7) is used for detecting the temperature outside the refrigeration appliance and sending the detected outside temperature to the control board;
the display panel is in data transmission communication with the control panel, receives the average temperature in the refrigeration appliance sent by the control panel and displays the average temperature in the refrigeration appliance;
the control panel is used for receiving the upper end temperature sent by the upper display temperature sensor (3) and the lower end temperature sent by the lower display temperature sensor (5), averaging the obtained upper end temperature and the obtained lower end temperature, sending the average temperature to the display panel, obtaining the display temperature on the display panel by the control panel, and meanwhile receiving and controlling the temperature at the air duct sent by the temperature sensor (2).
2. A medical refrigeration appliance having a multi-dimensional temperature sensor control system according to claim 1, wherein: still include evaporating temperature sensor (1) and humidity transducer (4), the control panel is connected with evaporating temperature sensor (1) and humidity transducer (4) respectively.
3. A medical refrigeration appliance having a multi-dimensional temperature sensor control system according to claim 2, wherein: the evaporation temperature sensor (1) is arranged at an evaporator of the refrigeration appliance and used for detecting the temperature of the evaporator and sending the detected temperature of the evaporator to the control panel; the control panel receives the temperature of the evaporator sent by the evaporation temperature sensor (1), the control panel compares the received temperature of the evaporator with a set temperature reference T (5), if the temperature is higher than the temperature reference T (5), the evaporator heating system is controlled to stop defrosting, and if the temperature is lower than the temperature reference T (5), the evaporator heating system is controlled to start working.
4. A medical refrigeration appliance having a multi-dimensional temperature sensor control system according to claim 2 or 3, wherein: the humidity sensor (4) is arranged in the refrigeration appliance and used for detecting the humidity in the refrigeration appliance and sending the detected humidity in the refrigeration appliance to the control board; the control panel receives the humidity in the refrigeration appliance sent by the humidity sensor, and sends the humidity in the refrigeration appliance to a temperature reference value H (0) for comparison, if the humidity is higher than the temperature reference value H (0), the glass door heating system is controlled to start high-frequency work and the indoor dehumidifying device starts to work, and if the humidity is lower than the temperature reference value H (0), the glass door heating system is controlled to work at a low frequency.
5. The medical refrigeration appliance with a multi-dimensional temperature sensor control system according to claim 4, wherein: the control panel judges whether the display temperature is greater than a set temperature T (1), if the display temperature is greater than the set temperature, the control panel controls the compressor to stop, if the display temperature is less than the set temperature, the control panel judges whether the air duct temperature sent by the control temperature sensor (2) is greater than a set temperature point T (2), if the air duct temperature sent by the control temperature sensor (2) is greater than the set temperature point T (2), the control panel controls the compressor to start, and if the air duct temperature sent by the control temperature sensor (2) is less than the set temperature point T (2), the control panel controls the compressor to stop.
6. The medical refrigeration appliance with the multi-dimensional temperature sensor control system according to claim 1, 2, 3 or 5, characterized in that: the control board receives the temperature outside the refrigeration device sent by the environment temperature sensor (7) and compares the received environment temperature with a set temperature reference value T (3),
if the temperature is higher than the temperature reference value T (3), the control board controls the compressor to operate at a high rotating speed,
if the temperature is lower than the temperature reference value T (3), the control board controls the compressor to operate at a low rotating speed,
meanwhile, the control panel receives the temperature of the condensing pipeline sent by the condensing temperature sensor (6), the control panel carries out temperature difference statistics on the received temperature of the condensing pipeline and the ambient temperature and compares the temperature difference with a set safety value T (4),
if the temperature difference is higher than the set safety value T (4), the control panel controls the compressor to stop and controls the heat dissipation fan to continuously work, and when the counted temperature difference is lower than the set safety value T (4), the control panel controls the refrigeration system to normally work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010146563.7A CN111336737B (en) | 2020-03-05 | 2020-03-05 | Medical refrigeration appliance with multi-dimensional temperature sensor control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010146563.7A CN111336737B (en) | 2020-03-05 | 2020-03-05 | Medical refrigeration appliance with multi-dimensional temperature sensor control system |
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| Publication Number | Publication Date |
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| CN111336737A true CN111336737A (en) | 2020-06-26 |
| CN111336737B CN111336737B (en) | 2021-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115289778A (en) * | 2022-08-17 | 2022-11-04 | 长虹美菱股份有限公司 | Temperature and humidity control method and device for medicine refrigerating box |
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| CN1167931A (en) * | 1996-04-02 | 1997-12-17 | 三星电子株式会社 | Temp. controlling method for refrigerator and apparatus therefor |
| CN202299903U (en) * | 2011-10-13 | 2012-07-04 | 澳柯玛股份有限公司 | Electrical heating glazed door |
| CN103575014A (en) * | 2012-06-28 | 2014-02-12 | 超级制冷器有限公司 | Supercooling freezer and method for controlling supercooling freezer |
| CN107166866A (en) * | 2016-03-08 | 2017-09-15 | Lg电子株式会社 | The control method of refrigerator and refrigerator |
| CN107421200A (en) * | 2017-06-14 | 2017-12-01 | 合肥美菱股份有限公司 | A kind of wind cooling refrigerator defrosting control method |
| CN108088143A (en) * | 2017-11-21 | 2018-05-29 | 广州美的华凌冰箱有限公司 | Fan operation control method, control device, refrigeration equipment and storage medium |
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2020
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1167931A (en) * | 1996-04-02 | 1997-12-17 | 三星电子株式会社 | Temp. controlling method for refrigerator and apparatus therefor |
| CN202299903U (en) * | 2011-10-13 | 2012-07-04 | 澳柯玛股份有限公司 | Electrical heating glazed door |
| CN103575014A (en) * | 2012-06-28 | 2014-02-12 | 超级制冷器有限公司 | Supercooling freezer and method for controlling supercooling freezer |
| CN107166866A (en) * | 2016-03-08 | 2017-09-15 | Lg电子株式会社 | The control method of refrigerator and refrigerator |
| CN107421200A (en) * | 2017-06-14 | 2017-12-01 | 合肥美菱股份有限公司 | A kind of wind cooling refrigerator defrosting control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115289778A (en) * | 2022-08-17 | 2022-11-04 | 长虹美菱股份有限公司 | Temperature and humidity control method and device for medicine refrigerating box |
| CN115289778B (en) * | 2022-08-17 | 2024-04-12 | 长虹美菱股份有限公司 | Temperature and humidity control method and device for medicine refrigerator |
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| CN111336737B (en) | 2021-11-30 |
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