CN118102513B - Heating control system and method based on pressure induction - Google Patents
Heating control system and method based on pressure induction Download PDFInfo
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B1/00—Details of electric heating devices
- H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
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Abstract
The invention discloses a heating control system and a heating control method based on pressure induction, wherein the heating control system comprises the following steps: acquiring carrier information, temperature information, pressure information and circuit information; calculating to obtain a pressure contact ratio based on the carrier information and the pressure information; obtaining a heating signal; heating is started based on the heating signal; calculating to obtain Wen Shengsu values; obtaining a signal of keeping a heating state or an abnormal temperature rise rate signal; based on the abnormal temperature rise rate signal, comparing the Wen Shengsu value with a preset temperature rise minimum value 0 or a preset temperature rise maximum value to obtain a temperature rise rate adjusting signal; calculating to obtain a carrier temperature change abnormal signal or a carrier temperature change constant signal or a carrier temperature change normal signal based on the carrier monitoring signal; and calculating to obtain a heating stable signal or a heating control abnormal signal; acquiring a heating control abnormal signal, and stopping heating; and performing self-checking; when an abnormal state occurs, the abnormal state is analyzed and obtained, and the safety in the heating process is effectively ensured.
Description
Technical Field
The invention relates to the technical field of pressure induction heating, in particular to a heating control system and method based on pressure induction.
Background
Products of the existing heating control system, such as an electric blanket, a seat, a pet nest and the like, are heated by adopting a traditional heating wire in a heating mode, so that the safety degree is low, and scalding caused by temperature superposition or electric leakage and fire caused by damage of the heating wire are easy to occur; in addition, in the use process, after a user leaves, the heating product can be continuously heated, so that the energy conservation and environmental protection are not facilitated, and potential safety hazards are easily generated;
And when abnormal states occur in the working process of the heating control system, the abnormal states and the abnormal problems cannot be accurately and timely obtained, and when the abnormal problems occur, early warning cannot be timely carried out, so that the use experience is affected.
Disclosure of Invention
The present invention is directed to a heating control system and method based on pressure sensing, so as to solve the above-mentioned problems.
The aim of the invention can be achieved by the following technical scheme:
a pressure sensing based heating control method, comprising:
acquiring carrier information, temperature information, pressure information and circuit information;
Calculating a pressure contact ratio YJ based on the carrier information and the pressure information; comparing the pressure contact ratio YJ with a preset pressure contact ratio YJby; obtaining a heating signal; based on the heating signal, controlling the nano carbon heating structure to start heating;
Calculating to obtain Wen Shengsu rate value Tv i; obtaining a signal of keeping a heating state or an abnormal temperature rise rate signal;
Based on the abnormal temperature rise rate signal, the Wen Shengsu rate Tv i is compared with a preset temperature rise minimum value 0 or a preset temperature rise maximum value Tvy to obtain a temperature rise rate adjusting signal; the temperature rise rate adjusting signal comprises a temperature rise stopping signal and a temperature rise rate overhigh signal;
Based on the temperature rise stop signal, acquiring circuit information and a carrier temperature value; obtaining a temperature monitoring signal or a carrier monitoring signal; calculating and obtaining a heating stable signal or a heating control abnormal signal based on the temperature monitoring signal; calculating to obtain a carrier temperature change abnormal signal or a carrier temperature change constant signal or a carrier temperature change normal signal based on the carrier monitoring signal;
acquiring a carrier temperature value based on a temperature rise rate over-high signal, and calculating to obtain a heating stable signal or a heating control abnormal signal;
acquiring a heating control abnormal signal, and stopping heating; and performing self-checking.
As a further scheme of the invention: the carrier information includes a carrier area total value Mz; the pressure information comprises the pressure area of the pressure sensing layer;
The pressure contact ratio is calculated by the following steps:
Acquiring the pressure area of the pressure sensing layer and marking the pressure area as MS;
By passing through Calculating to obtain a pressure contact ratio YJ;
comparing the pressure contact ratio YJ with a preset pressure contact ratio YJby;
if the pressure contact ratio YJ is larger than or equal to a preset pressure contact ratio YJby, generating a heating signal;
If the press-contact ratio YJ is smaller than the preset press-contact ratio YJby, a hold standby signal is generated.
As a further scheme of the invention: the temperature rise rate value Tv i is obtained by the following steps:
Dividing the heating time length by unit time t and marking as i; acquiring temperature information in heating time t, wherein the temperature information comprises a carrier initial temperature value Tc and a temperature state value Ts i;
By passing through Wen Shengsu values Tv i were calculated.
As a further scheme of the invention: if Wen Shengsu the value Tv i is greater than 0 and less than or equal to the preset maximum temperature rise Tvy; a keep-heated state signal is obtained; otherwise, obtaining an abnormal temperature rise rate signal;
Based on the temperature rise rate anomaly signal; comparing Wen Shengsu value Tv i with a preset temperature rise minimum value 0 or a preset temperature rise maximum value Tvy to obtain a temperature rise rate adjusting signal; the temperature rise rate adjusting signals comprise a temperature rise stopping signal and a temperature rise rate overhigh signal;
If Wen Shengsu the Tv i is less than or equal to 0; a temperature rise stop signal is obtained;
If Wen Shengsu the value Tv i is larger than the preset maximum value Tvy of temperature rise; an excessive rate of temperature rise signal is obtained.
As a further scheme of the invention: based on the temperature rise stop signal; acquiring circuit information and a carrier temperature value in an ith period of time t; wherein the circuit information includes a resistance state value Rs i and a current state value Is i; the support temperature values include an initial support temperature value MT i-1 and a support temperature end value MT i for the i-th period t;
By passing through Calculating to obtain a circuit calorific value L i;
If the circuit heating value L i = 0; the temperature rise stop signal is normal; obtaining a temperature monitoring signal;
if the circuit heating value L i is more than 0; the temperature rise stop signal is abnormal; and obtaining a carrier monitoring signal.
As a further scheme of the invention: based on the temperature monitoring signal, a carrier temperature end value MT i is obtained and compared with a preset carrier temperature threshold MTY:
If the final carrier temperature MT i = preset carrier temperature threshold MTY, a heating stabilization signal is obtained;
If the final carrier temperature value MT i is not equal to the preset carrier temperature threshold MTY, a heating control abnormal signal is obtained; the heating was stopped.
As a further scheme of the invention: by passing throughCalculating to obtain a carrier temperature change value MT c;
if the carrier temperature variation value MT c is smaller than 0; obtaining a carrier temperature change abnormal signal;
If the carrier temperature change value MT c =0; a constant carrier temperature change signal is obtained;
If the carrier temperature variation value MT c is more than 0; a carrier temperature change normal signal is obtained.
As a further scheme of the invention: acquiring a carrier temperature value based on a signal with an overhigh temperature rise rate; the carrier temperature value is the carrier temperature value MT i after the ith period of time t;
the carrier temperature value MT i is compared with a preset carrier temperature threshold MTY:
If the final carrier temperature value MT i is smaller than the preset carrier temperature threshold MTY, a heating stabilization signal is obtained;
if the final carrier temperature value MT i is more than or equal to the preset carrier temperature threshold MTY, a heating control abnormal signal is obtained; the heating was stopped.
As a further scheme of the invention: the self-checking mode comprises the following steps:
Stopping heating to restore the carrier temperature to room temperature; then, the system performs self-starting heating self-inspection;
the heating duration period is Q, the heating duration period Q is divided according to the unit duration Q, and the dividing time point is marked as j;
Marking each divided time point as j, and acquiring circuit information at the moment of each time point j, wherein the circuit information comprises a resistance state value Rs j; simultaneously acquiring a carrier temperature final value MT j at the moment;
The final carrier temperature value MT j at each time point j is simulated into a temperature resistance model, and the resistance state value Rsm j at the time point j is obtained through calculation;
By passing through Calculating to obtain a resistance deviation value Rsp j at the moment of a time point j;
Summing and averaging the resistance deviation values Rsp j at a plurality of time points j to obtain a resistance deviation average value Rspjz;
Comparing the resistance deviation average Rspjz with a preset resistance deviation average Rspy;
if the resistance deviation average Rspjz is smaller than or equal to the preset resistance deviation average Rspy; generating a surge anomaly;
if the resistance deviation average Rspjz is greater than the preset resistance deviation average Rspy; a fault exception is generated.
As a further scheme of the invention: a pressure sensing based heating control system, comprising:
and a data acquisition module: the method comprises the steps of acquiring carrier information, temperature information, pressure information and circuit information;
and a data processing module: the pressure contact ratio YJ is calculated based on the carrier information and the pressure information;
Based on the temperature rise stop signal, calculating to obtain a circuit calorific value L i;
and a judging module: for comparing the press-contact ratio YJ with a preset press-contact ratio YJby;
The method is used for judging whether Wen Shengsu the Tv i is more than 0 and less than or equal to a preset maximum temperature rise Tvy;
based on the temperature rise rate anomaly signal; comparing Wen Shengsu value Tv i with a preset temperature rise minimum value 0 or a preset temperature rise maximum value Tvy to obtain a temperature rise rate adjusting signal;
Obtaining a temperature monitoring signal or a carrier monitoring signal based on the circuit heating value L i; further obtaining a heating stabilization signal and a heating control abnormality signal;
And a heating regulation module: based on the heating signal, controlling the nano carbon heating structure to start heating; based on the heating control abnormality signal; controlling the nano carbon heating structure to stop heating;
and a self-checking module: whether the abnormality of the heating control system is a fluctuation abnormality or a failure abnormality is determined based on the heating control abnormality signal.
The invention has the beneficial effects that:
(1) According to the invention, the carrier information, the pressure information, the temperature and the circuit state for heating are detected, so that the temperature detection control of the whole carrier can be realized, the condition that the temperature rises too fast or cannot reach the requirement in the heating process is avoided, namely, the heating control system can realize the heating purpose based on pressure induction in the working process, and the heating problem caused by false touch is avoided; meanwhile, different conditions in the heating control process can be analyzed, corresponding problem signals can be judged and obtained, and abnormal conditions of a circuit heated in the heating control process can be avoided;
in addition, through monitoring and calculating each item of data, the carrier temperature, circuit information and the like in the heating control process can be calculated and analyzed, different heating states in the heating control process can be judged, when abnormal states occur, the abnormal states can be rapidly analyzed and obtained, then the heating is reminded or stopped, and the safety in the heating process is effectively ensured.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a system block diagram of the present invention;
FIG. 2 is a schematic diagram of the method of the present invention;
FIG. 3 is a second schematic diagram of the method of the present invention;
fig. 4 is a schematic view of a heating apparatus in the present invention.
In the figure: 1. a nanocarbon heating structure; 2. a pressure sensitive layer; 3. an electric control switch; 4. and a power supply.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 2 and 3, the present invention is a heating control method based on pressure sensing, comprising:
s1: acquiring carrier information, temperature information, pressure information and circuit information;
the carrier information comprises a carrier area total value Mz and a carrier temperature value MT;
The pressure information comprises the pressure area of the pressure sensing layer 2; wherein, the structure of the carrier can be blanket, seat, mattress, etc., namely the product structure which plays a supporting role;
S2: calculating a pressure contact ratio YJ based on the carrier information and the pressure information; the pressure contact ratio is calculated by the following steps:
the pressure area of the pressure sensing layer 2 is obtained and marked as MS;
By passing through Calculating to obtain a pressure contact ratio YJ;
s3: comparing the pressure contact ratio YJ with a preset pressure contact ratio YJby;
if the pressure contact ratio YJ is larger than or equal to a preset pressure contact ratio YJby, generating a heating signal; s4, executing;
if the pressure contact ratio YJ is smaller than the preset pressure contact ratio YJby, generating a standby holding signal;
The pressure sensing layer 2 senses the pressure on the carrier to obtain the pressure area on the carrier, when the pressure on the surface of the carrier reaches a certain area ratio, a heating signal is generated, and if the pressure on the surface of the carrier does not reach a certain area ratio, the whole device is kept in a standby state, so that the situation that the carrier is heated due to false touch in the use process can be avoided;
S4: based on the heating signal, controlling the nano carbon heating structure 1 to start heating, dividing the heating time length by unit time t and marking as i; acquiring temperature information in heating time t, wherein the temperature information comprises a carrier initial temperature value Tc and a temperature state value Ts i; by passing through Calculating to obtain Wen Shengsu rate value Tv i;
S5: judging whether Wen Shengsu the Tv i is more than 0 and less than or equal to a preset maximum temperature rise Tvy;
If Wen Shengsu the value Tv i is greater than 0 and less than or equal to the preset maximum temperature rise Tvy; a keep-heated state signal is obtained; the temperature rising rate in the heating process is normal;
otherwise, obtaining an abnormal temperature rise rate signal; s6, executing;
It should be noted that, in this step, the preset maximum temperature rise Tvy may be set actively by the user based on different usage scenarios and different usage requirements of the system;
for example, when the temperature of the electric blanket is increased during sleeping to improve the sleeping comfort of a human body, skin scald or uncomfortable body feeling caused by too fast temperature increase needs to be avoided, and the temperature increase rate is 0.5-2 ℃/min; at this time, the preset maximum temperature rise Tvy is 2 ℃/min; of course, the preset maximum temperature rise Tvy can be designed as an adjustable switch, i.e. according to the requirement of the user in the use process, the temperature switch of the electric blanket can be automatically adjusted to determine the heating speed of the electric blanket;
Otherwise, if the heating of the seat is different according to the material characteristics and the use situation of the heated seat, such as a vehicle seat or a household sofa, the temperature rise rate can be designed to be 1-3 ℃/min, at this time, the preset maximum temperature rise Tvy is 3 ℃/min, and the temperature rise rate not exceeding 3 ℃/min can provide more comfortable seat use experience; if the heating rate of the pet nest is 0.5-1.5 ℃/min, the temperature change is required to be carried out more gently for the pet so as to ensure the comfort and the safety of the pet, so that the temperature rise rate cannot be too high, and at the moment, the preset maximum temperature rise value Tvy is 1.5 ℃/min; likewise, the preset maximum temperature rise Tvy can be automatically adjusted according to the use requirement so as to meet different use requirements and scenes;
S6, executing; based on the temperature rise rate anomaly signal; comparing Wen Shengsu value Tv i with a preset temperature rise minimum value 0 or a preset temperature rise maximum value Tvy to obtain a temperature rise rate adjusting signal; the temperature rise rate adjusting signals comprise a temperature rise stopping signal and a temperature rise rate overhigh signal;
if Wen Shengsu the Tv i is less than or equal to 0; a temperature rise stop signal is obtained; representing that the carrier temperature change is in a reduced or equilibrium state, executing S7;
if Wen Shengsu the value Tv i is larger than the preset maximum value Tvy of temperature rise; acquiring a signal with an excessively high temperature rise rate; s8, executing the step of representing that the temperature of the carrier is changed too fast;
S7: based on the temperature rise stop signal; acquiring circuit information and a carrier temperature value in an ith period of time t;
Wherein the circuit information includes a resistance state value Rs i and a current state value Is i; the support temperature values include an initial support temperature value MT i-1 and a support temperature end value MT i for the i-th period t;
By passing through Calculating to obtain a circuit calorific value L i;
if the circuit heating value L i = 0; the temperature rise stop signal is normal; obtaining a temperature monitoring signal; s71 is performed;
If the circuit heating value L i is more than 0; the temperature rise stop signal is abnormal; obtaining a carrier monitoring signal; s72 is performed;
S71: based on the temperature monitoring signal, a carrier temperature end value MT i is obtained and compared with a preset carrier temperature threshold MTY:
If the final carrier temperature MT i = preset carrier temperature threshold MTY, a heating stabilization signal is obtained; the carrier heating temperature reaches a preset value, and the temperature is kept constant;
if the final carrier temperature value MT i is not equal to the preset carrier temperature threshold MTY, a heating control abnormal signal is obtained; indicating that the heating control is abnormal, and stopping heating at the moment;
S72: by passing through Calculating to obtain a carrier temperature change value MT c;
If the carrier temperature variation value MT c is smaller than 0; obtaining a carrier temperature change abnormal signal; the temperature change of the carrier is reduced, which indicates that the heat dissipation is greater than the heating;
If the carrier temperature change value MT c =0; a constant carrier temperature change signal is obtained; the temperature change of the carrier is kept unchanged, namely, the heat dissipation and the heating are in a balanced state;
if the carrier temperature variation value MT c is more than 0; a normal signal of the temperature change of the carrier is obtained; indicating that the support temperature increases with increasing heating time, but the temperature change is smaller;
S8: acquiring a carrier temperature value based on a signal with an overhigh temperature rise rate; the carrier temperature value is the carrier temperature value MT i after the ith period of time t;
the carrier temperature value MT i is compared with a preset carrier temperature threshold MTY:
If the final carrier temperature value MT i is smaller than the preset carrier temperature threshold MTY, a heating stabilization signal is obtained;
If the final carrier temperature value MT i is more than or equal to the preset carrier temperature threshold MTY, a heating control abnormal signal is obtained; stopping heating; then self-checking the abnormal heating control condition;
By detecting the carrier information, the pressure information, the temperature and the circuit state for heating, the temperature detection control of the whole carrier can be realized, the condition that the temperature rises too fast or cannot meet the requirement in the heating process is avoided, the heating control system can realize the heating purpose based on pressure induction in the working process, and the heating problem caused by false touch is avoided; meanwhile, different conditions in the heating control process can be analyzed, corresponding problem signals can be judged and obtained, and abnormal conditions of a circuit heated in the heating control process can be avoided;
in addition, through monitoring and calculating each item of data, the carrier temperature, circuit information and the like in the heating control process can be calculated and analyzed, different heating states in the heating control process can be judged, when abnormal states occur, the abnormal states can be rapidly analyzed and obtained, then the heating is reminded or stopped, and the safety in the heating process is effectively ensured.
Example two
Based on the above embodiment, the present embodiment is based on the heating control abnormality signal; providing the following self-checking method to judge whether the abnormality of the heating control system is a fluctuation abnormality or a fault abnormality;
Specifically, the method comprises the following steps;
G1: stopping heating to restore the carrier temperature to room temperature; then, the system performs self-starting heating self-inspection;
and G2: the heating duration period is Q, the heating duration period Q is divided according to the unit duration Q, and the dividing time point is marked as j;
And G3: marking each divided time point as j, and acquiring circuit information at the moment of each time point j, wherein the circuit information comprises a resistance state value Rs j; simultaneously acquiring a carrier temperature final value MT j at the moment;
The final carrier temperature value MT j at each time point j is simulated into a temperature resistance model, and the resistance state value Rsm j at the time point j is obtained through calculation;
And G4: by passing through Calculating to obtain a resistance deviation value Rsp j at the moment of a time point j;
And G5: summing and averaging the resistance deviation values Rsp j at a plurality of time points j to obtain a resistance deviation average value Rspjz;
g6: comparing the resistance deviation average Rspjz with a preset resistance deviation average Rspy;
if the resistance deviation average Rspjz is smaller than or equal to the preset resistance deviation average Rspy; generating a surge anomaly; the resistance of the nano carbon heating structure 1 in the circuit changes along with the change of temperature, but based on a model, the calculated resistance deviation average Rspjz is in a normal fluctuation range, so that the fluctuation of the resistance change can be indicated to be possibly influenced by other factors such as external temperature, air humidity and the like, and the fluctuation is in a variable range;
If the resistance deviation average Rspjz is greater than the preset resistance deviation average Rspy; generating a fault abnormality, namely, the resistance deviation average Rspjz is beyond the change range influenced by the external environment, so that the nano carbon heating structure 1 is abnormal in operation, and therefore, heating is stopped;
By carrying out calculation and analysis on the heating control abnormal signal, whether the heating control abnormality is fluctuation abnormality caused by normal environmental influence or work abnormality of the nano carbon heating structure 1 can be obtained by analysis, and the abnormal result can be rapidly and effectively judged, so that the carrier can be maintained and replaced in time.
Example III
Based on the above embodiment, the present embodiment provides the following embodiment based on Wen Zumo type;
Based on the nano carbon heating structure 1, performing a relation model of the resistance affected by temperature; specific: comprising the following steps:
W1: acquiring a real-time temperature TT k of the nano carbon heating structure 1 in the working process; meanwhile, a corresponding resistance value RT k is obtained based on the real-time temperature TT k;
W2: taking the real-time temperature TT k as an abscissa and the resistance value RT k as an ordinate, and fitting the real-time temperature TT k into a coordinate system;
By passing through Calculating to obtain Wen Zumo type coefficient a and correction coefficient b; thus obtaining Wen Zumo type。
Example IV
Based on the above embodiments, the present embodiment provides a heating control system based on pressure sensing, referring to fig. 1, including:
and a data acquisition module: the method comprises the steps of acquiring carrier information, temperature information, pressure information and circuit information;
and a data processing module: the pressure contact ratio YJ is calculated based on the carrier information and the pressure information;
Based on the temperature rise stop signal, calculating to obtain a circuit calorific value L i;
and a judging module: for comparing the press-contact ratio YJ with a preset press-contact ratio YJby;
The method is used for judging whether Wen Shengsu the Tv i is more than 0 and less than or equal to a preset maximum temperature rise Tvy;
based on the temperature rise rate anomaly signal; comparing Wen Shengsu value Tv i with a preset temperature rise minimum value 0 or a preset temperature rise maximum value Tvy to obtain a temperature rise rate adjusting signal;
Obtaining a temperature monitoring signal or a carrier monitoring signal based on the circuit heating value L i; further obtaining a heating stabilization signal and a heating control abnormality signal;
And a heating regulation module: based on the heating signal, controlling the nano carbon heating structure 1 to start heating; based on the heating control abnormality signal; controlling the nano carbon heating structure 1 to stop heating;
and a self-checking module: whether the abnormality of the heating control system is a fluctuation abnormality or a failure abnormality is determined based on the heating control abnormality signal.
Example five
Based on the above embodiments, the present embodiment provides a heating apparatus employing the "pressure-induced heating control method" and the "pressure-induced heating control system" in the above embodiments; referring to fig. 4;
specifically, the method comprises the following steps: the device comprises a nano carbon heating structure 1, a pressure sensing layer 2, an electric control switch 3 and a power supply 4;
The nano carbon heating structure 1 is used for heating, the pressure sensing layer 2 is used for sensing the pressure of the surface of a carrier such as a blanket, a seat and the like, and then the power supply 4 is controlled to supply power to the whole heating device system by transmitting signals to the electric control switch 3;
The nano carbon heating structure 1 is prepared by uniformly coating a heating high polymer material, namely nano carbon PTC, on a polyethylene terephthalate film, and a silver paste is used as a connecting line to input 5V of voltage and 2.1A of current for the heating high polymer material so as to generate heat; and when the heating system reaches a certain temperature, the resistance of the heating polymer material becomes infinite, so that the current cannot continuously pass through the circuit, and the heating stop function is achieved. And when the temperature is lower than the preset temperature, the heating high polymer material recovers the normal heating conductivity, and the heating high polymer material continuously heats up. Thus effectively preventing the safety risk generated by temperature superposition.
In order to prevent energy waste and safety risk caused by continuous heating work due to personnel leaving, a pressure sensing technology is added in the whole heating system, when a user uses the heating system, pressure acts on a pressure sensor part in the pressure sensing layer 2, the heating system starts to work after receiving a signal by the pressure sensor, and if the user leaves, the pressure sensor does not send a signal any more, and the heating system can be automatically closed. The pressure sensor adopts FSR technology, and outputs different signals according to different pressures, so that different functional effects are generated.
The product adopts ultrathin materials, heating high polymer materials and FSR pressure sensing technology, so that the product is lighter, thinner, safer, environment-friendly, energy-saving and more diversified, and the use experience is improved.
The polymer nano carbon is used for heating to replace the former heating wire heating pipe, so that the heating wire is lighter and thinner and is more environment-friendly; the pressure induction is increased, so that the whole heating system is more energy-saving and safer. The pressure-sensitive heating system can be suitable for various scenes needing heating environments, such as electric blankets, sofas, seats, pet nests and the like.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (8)
1. A pressure-sensing-based heating control method, comprising:
acquiring carrier information, temperature information, pressure information and circuit information;
Calculating a pressure contact ratio YJ based on the carrier information and the pressure information; comparing the pressure contact ratio YJ with a preset pressure contact ratio YJby; obtaining a heating signal; based on the heating signal, controlling the nano carbon heating structure (1) to start heating;
Calculating to obtain Wen Shengsu rate value Tv i; obtaining a signal of keeping a heating state or an abnormal temperature rise rate signal;
Based on the abnormal temperature rise rate signal, the Wen Shengsu rate Tv i is compared with a preset temperature rise minimum value 0 or a preset temperature rise maximum value Tvy to obtain a temperature rise rate adjusting signal; the temperature rise rate adjusting signal comprises a temperature rise stopping signal and a temperature rise rate overhigh signal;
Based on the temperature rise stop signal, acquiring circuit information and a carrier temperature value; obtaining a temperature monitoring signal or a carrier monitoring signal; calculating and obtaining a heating stable signal or a heating control abnormal signal based on the temperature monitoring signal; calculating to obtain a carrier temperature change abnormal signal or a carrier temperature change constant signal or a carrier temperature change normal signal based on the carrier monitoring signal;
acquiring a carrier temperature value based on a temperature rise rate over-high signal, and calculating to obtain a heating stable signal or a heating control abnormal signal;
acquiring a heating control abnormal signal, and stopping heating; and performing self-checking;
The carrier information includes a carrier area total value Mz; the pressure information comprises the pressure area of the pressure sensing layer (2);
The pressure contact ratio is calculated by the following steps:
acquiring the pressure area of the pressure sensing layer (2) and marking the pressure area as MS;
By passing through Calculating to obtain a pressure contact ratio YJ;
comparing the pressure contact ratio YJ with a preset pressure contact ratio YJby;
if the pressure contact ratio YJ is larger than or equal to a preset pressure contact ratio YJby, generating a heating signal;
if the pressure contact ratio YJ is smaller than the preset pressure contact ratio YJby, generating a standby holding signal;
The temperature rise rate value Tv i is obtained by the following steps:
Dividing the heating time length by unit time t and marking as i; acquiring temperature information in heating time t, wherein the temperature information comprises a carrier initial temperature value Tc and a temperature state value Ts i;
By passing through Wen Shengsu values Tv i were calculated.
2. A pressure-sensing-based heating control method as set forth in claim 1, wherein:
If Wen Shengsu the value Tv i is greater than 0 and less than or equal to the preset maximum temperature rise Tvy; a keep-heated state signal is obtained; otherwise, obtaining an abnormal temperature rise rate signal;
Based on the temperature rise rate anomaly signal; comparing Wen Shengsu value Tv i with a preset temperature rise minimum value 0 or a preset temperature rise maximum value Tvy to obtain a temperature rise rate adjusting signal; the temperature rise rate adjusting signals comprise a temperature rise stopping signal and a temperature rise rate overhigh signal;
If Wen Shengsu the Tv i is less than or equal to 0; a temperature rise stop signal is obtained;
If Wen Shengsu the value Tv i is larger than the preset maximum value Tvy of temperature rise; an excessive rate of temperature rise signal is obtained.
3. The pressure-sensing-based heating control method according to claim 2, wherein the temperature rise stop signal is based; acquiring circuit information and a carrier temperature value in an ith period of time t; wherein the circuit information includes a resistance state value Rs i and a current state value Is i; the support temperature values include an initial support temperature value MT i-1 and a support temperature end value MT i for the i-th period t;
By passing through Calculating to obtain a circuit calorific value L i;
If the circuit heating value L i = 0; the temperature rise stop signal is normal; obtaining a temperature monitoring signal;
if the circuit heating value L i is more than 0; the temperature rise stop signal is abnormal; and obtaining a carrier monitoring signal.
4. A heating control method based on pressure sensing according to claim 3, wherein the final carrier temperature MT i is obtained based on a temperature monitoring signal and compared with a preset carrier temperature threshold MTY:
If the final carrier temperature MT i = preset carrier temperature threshold MTY, a heating stabilization signal is obtained;
If the final carrier temperature value MT i is not equal to the preset carrier temperature threshold MTY, a heating control abnormal signal is obtained; the heating was stopped.
5. A pressure-sensing-based heating control method as claimed in claim 3, wherein the heating control is performed byCalculating to obtain a carrier temperature change value MT c;
if the carrier temperature variation value MT c is smaller than 0; obtaining a carrier temperature change abnormal signal;
If the carrier temperature change value MT c =0; a constant carrier temperature change signal is obtained;
If the carrier temperature variation value MT c is more than 0; a carrier temperature change normal signal is obtained.
6. The pressure-sensing-based heating control method according to claim 2, wherein the carrier temperature value is obtained based on a temperature rise rate excessive signal; the carrier temperature value is the carrier temperature value MT i after the ith period of time t;
the carrier temperature value MT i is compared with a preset carrier temperature threshold MTY:
If the final carrier temperature value MT i is smaller than the preset carrier temperature threshold MTY, a heating stabilization signal is obtained;
if the final carrier temperature value MT i is more than or equal to the preset carrier temperature threshold MTY, a heating control abnormal signal is obtained; the heating was stopped.
7. The pressure-sensing-based heating control method of claim 1, wherein the self-checking means comprises:
Stopping heating to restore the carrier temperature to room temperature; then, the system performs self-starting heating self-inspection;
the heating duration period is Q, the heating duration period Q is divided according to the unit duration Q, and the dividing time point is marked as j;
Marking each divided time point as j, and acquiring circuit information at the moment of each time point j, wherein the circuit information comprises a resistance state value Rs j; simultaneously acquiring a carrier temperature final value MT j at the moment;
The final carrier temperature value MT j at each time point j is simulated into a temperature resistance model, and the resistance state value Rsm j at the time point j is obtained through calculation;
By passing through Calculating to obtain a resistance deviation value Rsp j at the moment of a time point j;
Summing and averaging the resistance deviation values Rsp j at a plurality of time points j to obtain a resistance deviation average value Rspjz;
Comparing the resistance deviation average Rspjz with a preset resistance deviation average Rspy;
if the resistance deviation average Rspjz is smaller than or equal to the preset resistance deviation average Rspy; generating a surge anomaly;
if the resistance deviation average Rspjz is greater than the preset resistance deviation average Rspy; a fault exception is generated.
8. A pressure sensing based heating control system, comprising:
and a data acquisition module: the method comprises the steps of acquiring carrier information, temperature information, pressure information and circuit information;
and a data processing module: the pressure contact ratio YJ is calculated based on the carrier information and the pressure information;
Based on the temperature rise stop signal, calculating to obtain a circuit calorific value L i;
and a judging module: for comparing the press-contact ratio YJ with a preset press-contact ratio YJby;
The method is used for judging whether Wen Shengsu the Tv i is more than 0 and less than or equal to a preset maximum temperature rise Tvy;
based on the temperature rise rate anomaly signal; comparing Wen Shengsu value Tv i with a preset temperature rise minimum value 0 or a preset temperature rise maximum value Tvy to obtain a temperature rise rate adjusting signal;
Obtaining a temperature monitoring signal or a carrier monitoring signal based on the circuit heating value L i; further obtaining a heating stabilization signal and a heating control abnormality signal;
and a heating regulation module: based on the heating signal, controlling the nano carbon heating structure (1) to start heating; based on the heating control abnormality signal; controlling the nano carbon heating structure (1) to stop heating;
and a self-checking module: judging whether the abnormality of the heating control system is a fluctuation abnormality or a fault abnormality based on the heating control abnormality signal;
The carrier information includes a carrier area total value Mz; the pressure information comprises the pressure area of the pressure sensing layer (2);
The pressure contact ratio is calculated by the following steps:
acquiring the pressure area of the pressure sensing layer (2) and marking the pressure area as MS;
By passing through Calculating to obtain a pressure contact ratio YJ;
comparing the pressure contact ratio YJ with a preset pressure contact ratio YJby;
if the pressure contact ratio YJ is larger than or equal to a preset pressure contact ratio YJby, generating a heating signal;
if the pressure contact ratio YJ is smaller than the preset pressure contact ratio YJby, generating a standby holding signal;
The temperature rise rate value Tv i is obtained by the following steps:
Dividing the heating time length by unit time t and marking as i; acquiring temperature information in heating time t, wherein the temperature information comprises a carrier initial temperature value Tc and a temperature state value Ts i;
By passing through Wen Shengsu values Tv i were calculated.
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| CN108668387A (en) * | 2018-04-08 | 2018-10-16 | 芜湖职业技术学院 | Intelligent electric blanket |
| CN111542136A (en) * | 2020-05-27 | 2020-08-14 | 徐州工业职业技术学院 | Temperature control electric blanket capable of heating by areas and weights |
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| ITTO20070176A1 (en) * | 2007-03-08 | 2008-09-09 | Alenia Aeronautica Spa | ARTICLE OF COMPOSITE MATERIAL WITH TEMPERATURE AND HUMIDITY CONTROL, AND PROCEDURES FOR THE USE OF SUCH ITEM |
| KR20130080920A (en) * | 2012-01-06 | 2013-07-16 | 최지현 | Mattress with cpu |
| CN214960146U (en) * | 2021-06-03 | 2021-11-30 | 南通科威瀚医疗科技有限公司 | Intelligent temperature control system for medical electric blanket |
| KR102620343B1 (en) * | 2023-06-16 | 2024-01-02 | 윤득종 | Smart electric mat |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108668387A (en) * | 2018-04-08 | 2018-10-16 | 芜湖职业技术学院 | Intelligent electric blanket |
| CN111542136A (en) * | 2020-05-27 | 2020-08-14 | 徐州工业职业技术学院 | Temperature control electric blanket capable of heating by areas and weights |
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