CN111706985A - Air conditioner use space measuring method based on temperature change rate - Google Patents
Air conditioner use space measuring method based on temperature change rate Download PDFInfo
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- CN111706985A CN111706985A CN202010545925.XA CN202010545925A CN111706985A CN 111706985 A CN111706985 A CN 111706985A CN 202010545925 A CN202010545925 A CN 202010545925A CN 111706985 A CN111706985 A CN 111706985A
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- Prior art keywords
- temperature
- air conditioner
- processor
- measuring sensor
- measuring method
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
- F24F11/67—Switching between heating and cooling modes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
Abstract
The invention discloses a method for measuring the space used by an air conditioner based on the temperature change rate, which comprises the air conditioner arranged indoors, a temperature sensor arranged at the return air position of an evaporator of the air conditioner, and a processor arranged in the air conditioner and connected with the temperature sensor, wherein the method for measuring the space used in the processor comprises the following steps: (1) in the standby state, the processor reads the temperature t of the temperature measuring sensor0(ii) a (2) When the air conditioner starts to refrigerate and runs at rated refrigerating power Pc, the target temperature is set to tx(ii) a (3) Reading the temperature t of the temperature measuring sensor by the processoriWhen t is reachedi<txIn time, the air conditioner stops and recordsA refrigeration time T; (4) the processor reads the temperature of the temperature measuring sensor, and records the temperature t after the temperature is stable1(ii) a (5) Calculating a usage space V = k Pc T/(T) of the air conditioner0‑t1) Where k is the conversion coefficient.
Description
Technical Field
The invention relates to an air conditioner use space measuring method based on a temperature change rate, and belongs to the technical field of household appliance control.
Background
The air conditioner is operated by adopting temperature threshold control, namely, a thermal resistor is arranged at the return air position of the evaporator, and after the measured temperature is compared with the set temperature, the start and stop of the compressor are automatically controlled to regulate the room temperature. However, the air conditioner is generally installed at a certain corner of the room and is placed at a corner of the upper wall, the circulation of the outlet air and the return air of the air conditioner is very easy, the temperature obtained by the thermal resistor is not the real environmental temperature, and the air conditioner needs to control the indoor temperature to the set temperature after a long time.
The use environment of the air conditioner is fixed, the main function is to heat or cool the air in the use environment to a set temperature, and the temperature adjusting speed is directly related to the air conditioner power and the space size of a room. The air conditioner power is known, the ambient temperature can be measured, and if the space size of the use environment is known, the time for cooling or heating to the set temperature can be effectively calculated.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a method for measuring the space used by the air conditioner based on the temperature change rate, which is used for calculating the space size of the using environment and improving the control method of the air conditioner according to the air conditioner power and the temperature change rate of the using environment.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the air conditioner use space measuring method based on the temperature change rate comprises an air conditioner installed indoors, a temperature measuring sensor arranged at the return air position of an evaporator of the air conditioner, and a processor arranged inside the air conditioner, wherein the processor is connected with the temperature measuring sensor, the use space measuring method is arranged inside the processor, and the use space measuring method comprises the following steps:
(1) in a standby state, the processor reads the temperature t of the temperature measuring sensor0；
(2) When the air conditioner starts to refrigerate and runs at rated refrigerating power Pc, the target temperature is set to txAnd t is0>tx；
(3) Reading the temperature t of the temperature measuring sensor by the processoriWhen t is reachedi<txIn time, the air conditioner is stopped, and the refrigerating time T is recorded;
(4) the processor reads the temperature of the temperature measuring sensor, and records the temperature t after the temperature is stable1；
(5) And calculating the use space V = k Pc T/(T) of the air conditioner0-t1) Where k is the conversion coefficient in m3*℃/(KW*h)。
The air conditioner use space measuring method based on the temperature change rate comprises an air conditioner installed indoors, a temperature measuring sensor arranged at the return air position of an evaporator of the air conditioner, and a processor arranged inside the air conditioner, wherein the processor is connected with the temperature measuring sensor, the use space measuring method is arranged inside the processor, and the use space measuring method comprises the following steps:
(1) in a standby state, the processor reads the temperature t of the temperature measuring sensor0；
(2) When the air conditioner starts to heat and operates at rated heating power Ph, the target temperature is set to txAnd t isx>t0；
(3) Reading the temperature t of the temperature measuring sensor by the processoriWhen t is reachedi>txIn time, the air conditioner is stopped, and the heating time T is recorded;
(4) the processor reads the temperature of the temperature measuring sensor, and records the temperature t after the temperature is stable1；
(5) Calculating the use area V = k P of the air conditionerh*T/(t1-t0) Where k is the conversion coefficient in m3*℃/(KW*h)。
The invention has the following beneficial effects: (1) calculating the space size of the using environment based on the temperature change rate of the using environment and combining the air conditioner power, and providing environment parameters for the air conditioner to realize accurate control; (2) the simple temperature threshold control method of the existing air conditioner is improved.
Drawings
FIG. 1 is a flow chart of a method of measuring a space of use for a refrigeration process;
fig. 2 is a flow chart of a method of measuring a usage space of a heating process.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a flowchart of a method of using spatial measurements according to a first embodiment. The temperature measurement device comprises an indoor air conditioner, a temperature measurement sensor arranged at the return air position of an evaporator of the air conditioner and a processor arranged inside the air conditioner, wherein the processor is connected with the temperature measurement sensor, and a use space measurement method is arranged inside the processor and used for measuring the size of a use space in the refrigeration process of the air conditioner.
The method for measuring the use space comprises the following steps:
(1) in a standby state, the processor reads the temperature t of the temperature measuring sensor0；
In the standby state, the air conditioner and the environment realize heat balance without temperature difference, so the temperature t measured at the time0Is the ambient initial temperature.
(2) When the air conditioner starts to refrigerate and runs at rated refrigerating power Pc, the target temperature is set to txAnd t is0>tx；
And (2) starting refrigeration for the first time.
(3) Reading the temperature t of the temperature measuring sensor by the processoriWhen t is reachedi<txIn time, the air conditioner is stopped, and the refrigerating time T is recorded;
according to the temperature threshold control method, when the temperature t is detectediReaches the target temperature txAnd the air conditioner is stopped, and the refrigerating time T from the start is recorded.
(4) The processor reads the temperature of the temperature measuring sensor, and records the temperature t after the temperature is stable1；
After the air conditioner is shut down, the temperature difference exists between the air conditioner and the environment, the temperature measured by the temperature measuring sensor cannot immediately reflect the temperature of the environment, and a period of heat balance time is needed.
(5) Calculating the air conditioner air usageM V = k Pc T/(T)0-t1) Where k is the conversion coefficient in m3*℃/(KW*h)。
The space of the using environment is used as the load of the air conditioner, the air conditioner outputs the refrigerating power Pc to cool the space of the using environment, so the space size V and the temperature change rate (t) of the using environment0-t1) The product of/T is in direct proportion to the refrigeration power Pc of the air conditioner, and the proportionality coefficient is k.
Fig. 2 is a method of using spatial measurement of a second embodiment. The difference from the first embodiment is that:
and a using space measuring method is arranged in the processor and is used for measuring the size of a using space in the heating process of the air conditioner.
The method for measuring the use space comprises the following steps:
(1) in a standby state, the processor reads the temperature t of the temperature measuring sensor0；
In the standby state, the air conditioner and the environment realize heat balance without temperature difference, so the temperature t measured at the time0Is the ambient initial temperature.
(2) When the air conditioner starts to heat and operates at rated heating power Ph, the target temperature is set to txAnd t isx>t0；
And (2) heating is started for the first time.
(3) Reading the temperature t of the temperature measuring sensor by the processoriWhen t is reachedi>txIn time, the air conditioner is stopped, and the heating time T is recorded;
according to the temperature threshold control method, when the temperature t is detectediReaches the target temperature txAnd the air conditioner is stopped, and the heating time T from the start is recorded.
(4) The processor reads the temperature of the temperature measuring sensor, and records the temperature t after the temperature is stable1；
After the air conditioner is shut down, the temperature difference exists between the air conditioner and the environment, the temperature measured by the temperature measuring sensor cannot immediately reflect the temperature of the environment, and a period of heat balance time is needed.
(5) Calculating the use area V = k P of the air conditionerh*T/(t1-t0) Where k is the conversion coefficient in m3*℃/(KW*h)。
The space of the using environment is used as the load of the air conditioner, the space of the using environment is heated by the output heating power Ph of the air conditioner, and therefore the space size V and the temperature change rate (t) of the using environment1-t0) The product of/T is in direct proportion to the heating power Ph of the air conditioner, and the proportionality coefficient is k.
Claims (2)
1. The air conditioner use space measuring method based on the temperature change rate comprises an air conditioner installed indoors, a temperature measuring sensor arranged at the return air position of an evaporator of the air conditioner, and a processor arranged inside the air conditioner, wherein the processor is connected with the temperature measuring sensor, and the air conditioner use space measuring method is characterized in that: the processor is internally provided with a usage space measuring method, and the usage space measuring method comprises the following steps:
(1) in a standby state, the processor reads the temperature t of the temperature measuring sensor0；
(2) When the air conditioner starts to refrigerate and runs at rated refrigerating power Pc, the target temperature is set to txAnd t is0>tx；
(3) Reading the temperature t of the temperature measuring sensor by the processoriWhen t is reachedi<txIn time, the air conditioner is stopped, and the refrigerating time T is recorded;
(4) the processor reads the temperature of the temperature measuring sensor, and records the temperature t after the temperature is stable1；
(5) And calculating the use space V = k Pc T/(T) of the air conditioner0-t1) Where k is the conversion coefficient in m3*℃/(KW*h)。
2. The air conditioner use space measuring method based on the temperature change rate comprises an air conditioner installed indoors, a temperature measuring sensor arranged at the return air position of an evaporator of the air conditioner, and a processor arranged inside the air conditioner, wherein the processor is connected with the temperature measuring sensor, and the air conditioner use space measuring method is characterized in that: the processor is internally provided with a usage space measuring method, and the usage space measuring method comprises the following steps:
(1) in a standby state, the processor reads the temperature t of the temperature measuring sensor0；
(2) When the air conditioner starts to heat and operates at rated heating power Ph, the target temperature is set to txAnd t isx>t0；
(3) Reading the temperature t of the temperature measuring sensor by the processoriWhen t is reachedi>txIn time, the air conditioner is stopped, and the heating time T is recorded;
(4) the processor reads the temperature of the temperature measuring sensor, and records the temperature t after the temperature is stable1；
(5) Calculating the use area V = k P of the air conditionerh*T/(t1-t0) Where k is the conversion coefficient in m3*℃/(KW*h)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010545925.XA CN111706985A (en) | 2020-06-16 | 2020-06-16 | Air conditioner use space measuring method based on temperature change rate |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010545925.XA CN111706985A (en) | 2020-06-16 | 2020-06-16 | Air conditioner use space measuring method based on temperature change rate |
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| CN111706985A true CN111706985A (en) | 2020-09-25 |
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| CN202010545925.XA Withdrawn CN111706985A (en) | 2020-06-16 | 2020-06-16 | Air conditioner use space measuring method based on temperature change rate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112754822A (en) * | 2021-01-15 | 2021-05-07 | 河南思迈医疗科技有限公司 | Radiation warm-keeping table controlled by advanced algorithm |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013044462A (en) * | 2011-08-23 | 2013-03-04 | Mitsubishi Electric Corp | Air conditioning system control device |
| CN108679788A (en) * | 2018-03-12 | 2018-10-19 | 珠海格力电器股份有限公司 | A kind of temperature correction of air-conditioning, device, storage medium and air-conditioning |
| CN208042535U (en) * | 2018-03-27 | 2018-11-02 | 杭州晶一智能科技有限公司 | Domestic hot water's pipe network control system |
| CN109442702A (en) * | 2018-08-23 | 2019-03-08 | 中筑科技股份有限公司 | A kind of central air-conditioning energy management-control method and system |
| WO2019224916A1 (en) * | 2018-05-22 | 2019-11-28 | 三菱電機株式会社 | Air conditioning device and warehouse having same |
| JP2019215130A (en) * | 2018-06-13 | 2019-12-19 | 三菱重工サーマルシステムズ株式会社 | Control device, air conditioning system, and control method |
-
2020
- 2020-06-16 CN CN202010545925.XA patent/CN111706985A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013044462A (en) * | 2011-08-23 | 2013-03-04 | Mitsubishi Electric Corp | Air conditioning system control device |
| CN108679788A (en) * | 2018-03-12 | 2018-10-19 | 珠海格力电器股份有限公司 | A kind of temperature correction of air-conditioning, device, storage medium and air-conditioning |
| CN208042535U (en) * | 2018-03-27 | 2018-11-02 | 杭州晶一智能科技有限公司 | Domestic hot water's pipe network control system |
| WO2019224916A1 (en) * | 2018-05-22 | 2019-11-28 | 三菱電機株式会社 | Air conditioning device and warehouse having same |
| JP2019215130A (en) * | 2018-06-13 | 2019-12-19 | 三菱重工サーマルシステムズ株式会社 | Control device, air conditioning system, and control method |
| CN109442702A (en) * | 2018-08-23 | 2019-03-08 | 中筑科技股份有限公司 | A kind of central air-conditioning energy management-control method and system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112754822A (en) * | 2021-01-15 | 2021-05-07 | 河南思迈医疗科技有限公司 | Radiation warm-keeping table controlled by advanced algorithm |
| CN112754822B (en) * | 2021-01-15 | 2022-04-15 | 河南思迈医疗科技有限公司 | Radiation warm-keeping table controlled by advanced algorithm |
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Application publication date: 20200925 |
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