CN110687942B - Temperature compensation method for carbon fiber controller - Google Patents
Temperature compensation method for carbon fiber controller Download PDFInfo
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- CN110687942B CN110687942B CN201911016565.8A CN201911016565A CN110687942B CN 110687942 B CN110687942 B CN 110687942B CN 201911016565 A CN201911016565 A CN 201911016565A CN 110687942 B CN110687942 B CN 110687942B
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- G—PHYSICS
- 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
- G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
- G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
- G05D23/1931—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of one space
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/002—Calibrated temperature sources, temperature standards therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K15/00—Testing or calibrating of thermometers
- G01K15/005—Calibration
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Abstract
A method of temperature compensation for a carbon fiber controller, the method comprising: step 1, measuring the temperature through room temperature transmission to obtain a temperature T1; step 2, calibrating the temperature T1 measured by the room temperature transmission to obtain a calibrated temperature T11; step 3, measuring the temperature through temperature transmission of the main plate to obtain a temperature T2; step 4, calibrating the temperature T2 measured by the temperature transmission of the main board to obtain a calibrated temperature T21; step 5, compensating the temperature-calibrated value T11 measured by the temperature transmission at the room temperature through the temperature-calibrated value T21 measured by the temperature transmission of the main board to obtain a temperature TB; and 6, smoothing the compensation temperature difference TB and the previously measured compensation temperature to obtain the temperature T.
Description
Technical Field
The invention relates to the field of temperature measurement, in particular to a temperature compensation method for a carbon fiber controller.
Background
The carbon fiber electric heater has the advantages of high thermal efficiency and convenient and intelligent temperature control. Wherein, to the intelligent accuse temperature of carbon fiber electric heater, what present adopted mostly is to carry out intelligent accuse temperature with the supporting temperature controller of carbon fiber.
However, when the temperature is measured, the controller is generally affected by the heating of the power supply and the heating of the relay in the controller, so that the measured temperature is greatly different from the actual temperature. The existing controller is partially realized by adopting a fixed correction method according to empirical values, the correction precision of the method is low, the temperature change in a reaction chamber cannot be accurately reflected, and particularly, the great difference can be generated in a period of time for switching on and off a relay. The other part adopts a dynamic compensation method, but the compensation accuracy is not satisfactory. Due to the fact that the accuracy of temperature measurement of the carbon fiber controller is not enough, disputes caused by the fact that heating does not reach the standard due to the temperature measurement problem are often caused.
Therefore, it is necessary to provide a temperature compensation method for a carbon fiber controller, which can improve the accuracy of temperature measurement of the carbon fiber controller, realize more accurate temperature control, and provide guarantee for temperature data analysis.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the carbon fiber controller temperature compensation method can improve the accuracy of temperature measurement of the carbon fiber controller, realize more accurate temperature control and provide guarantee for temperature data analysis.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a method of temperature compensation for a carbon fiber controller, the method comprising:
step 1, measuring the temperature through room temperature transmission to obtain a temperature T1;
step 2, calibrating the temperature T1 measured by the room temperature transmission to obtain a calibrated temperature T11, which specifically comprises the following steps:
(1) the carbon fiber controller main board is placed in an environment with relatively constant temperature, and the circuit board is exposed in the air and is not influenced by the heat of a power supply;
(2) the relatively constant ambient temperature measured using a standard thermometer is denoted as TP;
(3) recording the temperature T10 measured by room temperature transmission under the condition;
(4) subtracting the standard temperature from the measured temperature, and calculating to obtain a calibration factor corresponding to temperature transmission; the room temperature transmission calibration factor was recorded as D1, where D1 ═ T10-TP;
(5) calibrating the measurement temperature by using corresponding calibration factors in the temperature measurement process, wherein the temperature is T11-T10-D1 after the room temperature calibration;
step 3, measuring the temperature through temperature transmission of the main plate to obtain a temperature T2;
step 4, calibrating the temperature T2 measured by the temperature transmission of the main board to obtain a calibrated temperature T21, which specifically comprises the following steps:
(1) the carbon fiber controller main board is placed in an environment with relatively constant temperature, and the circuit board is exposed in the air and is not influenced by the heat of a power supply;
(2) the relatively constant ambient temperature measured using a standard thermometer is denoted as TP;
(3) recording the temperature T20 measured by the temperature transmission of the main board under the condition;
(4) subtracting the standard temperature from the measured temperature, and calculating to obtain a calibration factor corresponding to temperature transmission; the master plate temperature transmission calibration factor is recorded as D2, where D2 ═ T20-TP;
(5) calibrating the measured temperature by using corresponding calibration factors in the temperature measurement process, wherein the temperature of the calibrated mainboard is T21-T2-D2;
and 5, compensating the temperature-calibrated value T11 measured by the room temperature transmission through the temperature-calibrated value T21 measured by the main board temperature transmission to obtain a compensated temperature difference TB, wherein the compensated temperature difference TB specifically comprises the following steps:
(1) in order to ensure that the measured temperature is correct, the current room temperature measurement temperature value is standardized to obtain a standardized room temperature TS; the specific calculation method comprises the following steps: TS ═ MIN (MAX (T11,0), 63.50);
(2) in order to ensure that the measured temperature is correct, the measured temperature value of the current mainboard temperature is normalized, and the normalized mainboard temperature TZ is obtained; the specific calculation method comprises the following steps: MIN (MAX (T21,0), 63.50);
(3) calculating the compensation temperature difference TB, wherein the TB is TZ-TS;
step 6, smoothing the compensation temperature difference TB and the compensation temperature obtained by the previous measurement of the compensation temperature difference TB to obtain a temperature T; the temperature influence compensation is carried out on the temperature measured by the room temperature transmission through the temperature measured by the main board temperature transmission, and the method specifically comprises the following steps:
(1) in order to ensure that the compensation temperature difference is calculated correctly, the compensation temperature difference is normalized, and a normalized compensation temperature difference value TB is obtained, wherein the specific calculation method is TB (MAX (TB,0), 19.75); and then, rounding and remainder processing are carried out on the compensation temperature difference, specifically: the compensation temperature difference is rounded A (n) ═ INT (TB), n belongs to [0,19 ]; compensating for temperature difference, and taking the rest B (n) ═ TB-A (n), n ∈ [0,19 ]; establishing a temperature difference compensation table F1, and determining the current compensation temperature difference and the subsequent compensation temperature difference C (n) by a table look-up mode, wherein the current compensation temperature difference is F1(A (n)), C (n +1) is F1(A (n +1)), and n belongs to [0,19 ];
(2) calculating a temperature difference compensation value TA, wherein TA is C (n) + (C (n +1) -C (n)) B (n);
(3) determining a measuring point compensation range TX, wherein TX is MIN (TS, 40);
(4) rounding the measuring point compensation range D (n), D (n) ═ INT (TX), n ∈ [0,40 ];
(5) establishing a measuring point temperature compensation table F2, and according to the temperature measured by room temperature transmission, obtaining a measuring point temperature compensation table, wherein TB is F2(D (n)), and n belongs to [0,40 ];
(6) and calculating the current indoor temperature T by a specific calculation method of T:TS-TA + TB.
Further, the controller comprises a controller shell, a controller main board and two temperature sensors.
Further, the two temperature sensors are respectively a room temperature sensor and a mainboard temperature sensor.
Further, the bottom surface and the top of the carbon fiber controller are provided with heat dissipation windows.
Due to the adoption of the technical scheme, the invention has the following beneficial effects: the accuracy of the temperature measurement of the carbon fiber controller can be improved, more accurate temperature control is realized, and a guarantee is provided for temperature data analysis.
Drawings
Fig. 1 is a schematic structural diagram of a carbon fiber controller according to the present invention, wherein (a) is a front view, (b) is a top view, and (c) is a bottom view;
FIG. 2 is a layout diagram of the main board components of a carbon fiber controller according to the present invention;
fig. 3 is a flow chart of a method for compensating the temperature of the carbon fiber controller according to the present invention.
Detailed Description
A carbon fiber controller temperature compensation method of the present invention will be described in further detail below.
The present invention will now be described in more detail with reference to the accompanying drawings, in which preferred embodiments of the invention are shown, it being understood that one skilled in the art may modify the invention herein described while still achieving the beneficial results of the present invention. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the invention.
In the interest of clarity, not all features of an actual implementation are described. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. It will of course be appreciated that in the development of any such actual embodiment, numerous implementation-specific details must be set forth in order to achieve the developer's specific goals.
In order to make the objects and features of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It is to be noted that the drawings are in a very simplified form and are intended to use non-precision ratios for the purpose of facilitating and clearly facilitating the description of the embodiments of the invention.
The carbon fiber controller related to the temperature compensation method provided by the invention comprises a controller shell, a controller mainboard and two temperature sensors.
The controller shell is used for containing and protecting the controller mainboard and the two temperature sensors, is made of plastic and can provide good insulation and mechanical protection. Preferably, the plastic material may be ABS or PVC. As shown in fig. 1 a-1 c, the controller housing includes a front display panel for displaying various preset or measured parameters of the controller. The display panel also includes a plurality of input buttons (not shown) for making preset settings for the controller.
Referring to fig. 1b and 1c, the carbon fiber controller further includes an accommodating space at the rear of the display panel and protruding toward the rear of the display panel. The accommodating space is used for accommodating elements such as a controller mainboard and the like. In order to ensure that the change of the room temperature is more effectively transmitted to the room temperature transmission measuring point, the bottom surface and the top part of the carbon fiber controller (comprising the accommodating space and the display panel part) are designed into a heat-radiating window form, so that a convection channel is formed inside the carbon fiber controller, and the room temperature transmission measuring point is more fully contacted with the room temperature air flow.
The carbon fiber controller comprises two temperature sensors, namely a room temperature sensor and a mainboard temperature sensor. The main board temperature sensor is positioned in the middle of the main board of the carbon fiber controller; the room temperature sensor is located at the lower part of the carbon fiber controller main board and in front of the bottom heat dissipation window, as shown in fig. 2. The PCB above the room temperature sensor adopts a hollow design, so that the influence of heat conduction of other elements (such as a relay) on the mainboard on room temperature measurement is reduced.
As shown in fig. 3, the temperature compensation method of the carbon fiber controller includes the following steps:
step 1, measuring the temperature through room temperature transmission to obtain the temperature T1.
Step 2, calibrating the temperature T1 measured by the room temperature transmission to obtain a calibrated temperature T11, which specifically comprises the following steps:
(1) the carbon fiber controller main board is placed in an environment with relatively constant temperature, and the circuit board is exposed in the air and is not influenced by the heat of a power supply;
(2) the relatively constant ambient temperature measured using a standard thermometer is denoted as TP;
(3) recording the temperature T10 measured by room temperature transmission under the condition;
(4) and subtracting the standard temperature from the measured temperature, and calculating to obtain a calibration factor corresponding to the temperature transmission. The room temperature transmission calibration factor was recorded as D1, where D1 ═ T10-TP;
(5) and calibrating the measurement temperature by using the corresponding calibration factor in the temperature measurement process, wherein the temperature after room temperature calibration is T11-T1-D1.
And 3, measuring the temperature through temperature transmission of the main plate to obtain the temperature T2.
Step 4, calibrating the temperature T2 measured by the temperature transmission of the main board to obtain a calibrated temperature T21, which specifically comprises the following steps:
(1) the carbon fiber controller main board is placed in an environment with relatively constant temperature, and the circuit board is exposed in the air and is not influenced by the heat of a power supply;
(2) the relatively constant ambient temperature measured using a standard thermometer is denoted as TP;
(3) recording the temperature T20 measured by the temperature transmission of the main board under the condition;
(4) and subtracting the standard temperature from the measured temperature, and calculating to obtain a calibration factor corresponding to the temperature transmission. The master plate temperature transfer calibration factor is recorded as D2, where D2 ═ T20-TP.
(5) And calibrating the measured temperature by using corresponding calibration factors in the temperature measurement process, wherein the temperature after the temperature of the main board is calibrated is T21-T2-D2.
And 5, compensating the temperature-calibrated value T11 measured by the room temperature transmission through the temperature-calibrated value T21 measured by the main board temperature transmission to obtain a compensated temperature difference TB, wherein the compensated temperature difference TB specifically comprises the following steps:
(1) in order to ensure that the measured temperature is correct, the current room temperature measurement temperature value is normalized, and the normalized room temperature TS is obtained. The specific calculation method comprises the following steps: TS ═ MIN (MAX (T11,0), 63.50);
(2) in order to ensure that the measured temperature is correct, the measured temperature value of the current mainboard temperature is normalized, and the normalized mainboard temperature TZ is obtained. The specific calculation method comprises the following steps: MIN (MAX (T21,0), 63.50);
(3) calculating the compensation temperature difference TB, wherein the TB is TZ-TS;
and 6, smoothing the compensation temperature difference TB and the compensation temperature obtained by the previous measurement of the compensation temperature difference TB to obtain the temperature T. The temperature influence compensation is carried out on the temperature measured by the room temperature transmission through the temperature measured by the main board temperature transmission, and the method specifically comprises the following steps:
(1) in order to ensure that the compensation temperature difference is calculated correctly, the compensation temperature difference is normalized, and a normalized compensation temperature difference value TB is obtained, wherein the specific calculation method is TB (MAX (TB,0), 19.75); and then, rounding and remainder processing are carried out on the compensation temperature difference, specifically: the compensation temperature difference is rounded A (n) ═ INT (TB), n belongs to [0,19 ]; compensating for temperature difference, and taking the rest B (n) ═ TB-A (n), n ∈ [0,19 ]; establishing a temperature difference compensation table F1, and determining the current compensation temperature difference and the subsequent compensation temperature difference C (n) by a table look-up mode, wherein the current compensation temperature difference is F1(A (n)), C (n +1) is F1(A (n +1)), and n belongs to [0,19 ];
(2) calculating a temperature difference compensation value TA, wherein TA is C (n) + (C (n +1) -C (n)) B (n);
(3) determining a measuring point compensation range TX, wherein TX is MIN (TS, 40);
(4) rounding the measuring point compensation range D (n), D (n) ═ INT (TX), n ∈ [0,40 ];
(5) establishing a measuring point temperature compensation table F2, and according to the temperature measured by room temperature transmission, obtaining a measuring point temperature compensation table, wherein TB is F2(D (n)), and n belongs to [0,40 ];
(6) and calculating the current indoor temperature T by a specific calculation method of T:TS-TA + TB.
Preferably, in order to ensure that the calculated current room temperature does not exceed the limit, the current room temperature T may be further normalized, i.e., T: ═ MIN (MAX (T,0),63.50).
The invention provides a temperature compensation method for a carbon fiber controller, which comprises the following two compensation parts: the first part is measurement error calibration: the measurement error of the corresponding standard temperature of the mainboard temperature transmission and the room temperature transmission is calibrated. The temperature measurement of the temperature transmission has errors, and in order to ensure that the temperature transmitted by the main board is the same as the temperature transmitted by the room temperature, the measurement errors need to be calibrated firstly, so that the temperature transmitted by the main board and the temperature transmitted by the room temperature are within a certain temperature measurement range, and the temperature measurement errors are reduced; the second part is temperature influence compensation: the temperature measured by the room temperature transmission is compensated by the temperature measured by the main board temperature transmission. The accuracy of the temperature measurement of the carbon fiber controller can be improved, more accurate temperature control is realized, and a guarantee is provided for temperature data analysis. And the calculation mode adopted by the method can carry out feedback compensation according to the room temperature compensation value in real time, so that the accuracy of temperature compensation is improved.
The foregoing shows and describes the general principles, essential features and advantages of the invention, which is, therefore, described only as an example of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but rather that the invention includes various equivalent changes and modifications without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A temperature compensation method for a carbon fiber controller is characterized by comprising the following steps: the method comprises the following steps:
step 1, measuring the temperature through room temperature transmission to obtain a temperature T1;
step 2, calibrating the temperature T1 measured by the room temperature transmission to obtain a calibrated temperature T11, which specifically comprises the following steps:
(1) the carbon fiber controller main board is placed in an environment with relatively constant temperature, and the circuit board is exposed in the air and is not influenced by the heat of a power supply;
(2) the relatively constant ambient temperature measured using a standard thermometer is denoted as TP;
(3) recording the temperature T10 measured by room temperature transmission under the condition;
(4) subtracting the standard temperature from the measured temperature, and calculating to obtain a calibration factor corresponding to temperature transmission; the room temperature transmission calibration factor was recorded as D1, where D1 ═ T10-TP;
(5) calibrating the measurement temperature by using corresponding calibration factors in the temperature measurement process, wherein the temperature is T11-T1-D1 after the room temperature calibration;
step 3, measuring the temperature through temperature transmission of the main plate to obtain a temperature T2;
step 4, calibrating the temperature T2 measured by the temperature transmission of the main board to obtain a calibrated temperature T21, which specifically comprises the following steps:
(1) the carbon fiber controller main board is placed in an environment with relatively constant temperature, and the circuit board is exposed in the air and is not influenced by the heat of a power supply;
(2) the relatively constant ambient temperature measured using a standard thermometer is denoted as TP;
(3) recording the temperature T20 measured by the temperature transmission of the main board under the condition;
(4) subtracting the standard temperature from the measured temperature, and calculating to obtain a calibration factor corresponding to temperature transmission; the master plate temperature transmission calibration factor is recorded as D2, where D2 ═ T20-TP;
(5) calibrating the measured temperature by using corresponding calibration factors in the temperature measurement process, wherein the temperature of the calibrated mainboard is T21-T2-D2;
and 5, compensating the temperature-calibrated value T11 measured by the room temperature transmission through the temperature-calibrated value T21 measured by the main board temperature transmission to obtain a compensated temperature difference TB, wherein the compensated temperature difference TB specifically comprises the following steps:
(1) in order to ensure that the measured temperature is correct, the current room temperature measurement temperature value is standardized to obtain a standardized room temperature TS; the specific calculation method comprises the following steps: TS ═ MIN (MAX (T11,0), 63.50);
(2) in order to ensure that the measured temperature is correct, the measured temperature value of the current mainboard temperature is normalized, and the normalized mainboard temperature TZ is obtained; the specific calculation method comprises the following steps: MIN (MAX (T21,0), 63.50);
(3) calculating the compensation temperature difference TB, wherein the TB is TZ-TS;
step 6, smoothing the compensation temperature difference TB and the compensation temperature obtained by the previous measurement of the compensation temperature difference TB to obtain a temperature T; the temperature influence compensation is carried out on the temperature measured by the room temperature transmission through the temperature measured by the main board temperature transmission, and the method specifically comprises the following steps:
(1) in order to ensure that the compensation temperature difference is calculated correctly, the compensation temperature difference is normalized, and a normalized compensation temperature difference value TB is obtained, wherein the specific calculation method is TB (MAX (TB,0), 19.75); and then, rounding and remainder processing are carried out on the compensation temperature difference, specifically: the compensation temperature difference is rounded A (n) ═ INT (TB), n belongs to [0,19 ]; compensating for temperature difference, and taking the rest B (n) ═ TB-A (n), n ∈ [0,19 ]; establishing a temperature difference compensation table F1, and determining the current compensation temperature difference and the subsequent compensation temperature difference C (n) by a table look-up mode, wherein the current compensation temperature difference is F1(A (n)), C (n +1) is F1(A (n +1)), and n belongs to [0,19 ];
(2) calculating a temperature difference compensation value TA, wherein TA is C (n) + (C (n +1) -C (n)) B (n);
(3) determining a measuring point compensation range TX, wherein TX is MIN (TS, 40);
(4) rounding the measuring point compensation range D (n), D (n) ═ INT (TX), n ∈ [0,40 ];
(5) establishing a measuring point temperature compensation table F2, and according to the temperature measured by room temperature transmission, obtaining a measuring point temperature compensation table, wherein TB is F2(D (n)), and n belongs to [0,40 ];
(6) and calculating the current indoor temperature T by a specific calculation method of T:TS-TA + TB.
2. The controller of the carbon fiber controller temperature compensation method according to claim 1, wherein: the controller comprises a controller shell, a controller mainboard and two temperature sensors.
3. The controller according to claim 2, wherein: the two temperature sensors are respectively a room temperature sensor and a mainboard temperature sensor.
4. The controller of claim 3, wherein: the bottom surface and the top of the carbon fiber controller are provided with heat dissipation windows.
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| CN111678190B (en) * | 2020-05-13 | 2021-11-16 | 北京嘉洁能科技股份有限公司 | Empty house low temperature operation control system of carbon fiber electricity heating |
| CN111966142A (en) * | 2020-08-14 | 2020-11-20 | 深圳市欧瑞博科技股份有限公司 | Intelligent temperature detection method and device and intelligent control device |
| CN113339942B (en) * | 2021-06-11 | 2022-03-18 | 珠海格力电器股份有限公司 | Air conditioner and correction method for detecting ambient temperature thereof |
| CN114448015B (en) * | 2021-08-06 | 2023-01-24 | 荣耀终端有限公司 | Temperature compensation method and device, terminal equipment and readable storage medium |
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