CN114251778A - Heat dissipation control method and device, storage medium and photovoltaic air conditioner - Google Patents
Heat dissipation control method and device, storage medium and photovoltaic air conditioner Download PDFInfo
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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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
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- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
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Abstract
The invention provides a heat dissipation control method, a heat dissipation control device, a storage medium and a photovoltaic air conditioner, and debugging parameters are obtained; determining the number of the heat dissipation mechanisms to be started according to the debugging parameters; and determining the operating parameters of the heat exchange fan according to the debugging parameters. According to the invention, the number of the heat exchange fans started by the unit is controlled according to the illumination intensity or the load rate of the unit, and then when the temperature of the module does not drop to the set temperature value, the start and the frequency of the heat exchange fans are controlled according to the module temperature value, so that the heat dissipation and cooling of the module are realized, and the service life and the reliability of the unit are improved.
Description
Technical Field
The invention relates to the technical field of heat dissipation, in particular to a heat dissipation control method and device, a storage medium and a photovoltaic air conditioner.
Background
With the development of technology and the progress of society, people have higher and higher requirements on air conditioners, and the capacity of a single air conditioner is higher and higher; the invention provides a heat dissipation control method, a heat dissipation control device and an air conditioner, which solve the problems in the prior art because the design requirement on heat dissipation of an air conditioner electrical box is higher and higher, the problem that the temperature rise of the air conditioner electrical box is solved, and the problem is a serious difficult point of the air conditioner industry.
Disclosure of Invention
In order to solve the problems, the invention provides a heat dissipation control method and device, a storage medium and a photovoltaic air conditioner.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: a method of heat dissipation control, comprising:
acquiring debugging parameters;
determining the number of the heat dissipation mechanisms to be started according to the debugging parameters;
and determining the operating parameters of the heat exchange fan according to the debugging parameters.
As a further improvement of the invention: the debugging parameters at least comprise any one of target debugging parameters and module temperature values.
As a further improvement of the invention: the heat dissipation mechanism is a heat exchange fan.
As a further improvement of the invention: further comprising:
acquiring an operation state;
determining the target debugging parameters according to the running state;
wherein the operating state includes a first state and a second state.
As a further improvement of the invention: the determining the number of the heat dissipation mechanisms to be started according to the debugging parameters comprises:
in the first state, determining the target debugging parameter as illumination intensity;
acquiring the illumination intensity and the module temperature value;
and determining the initial number of the heat exchange fans to be started according to the illumination intensity.
As a further improvement of the invention: the determining the number of the heat dissipation mechanisms to be started according to the debugging parameters comprises:
in the second state, determining the target debugging parameter as a load rate;
acquiring the load rate and the module temperature value;
and determining the initial number of the heat exchange fans to be started according to the load rate.
As a further improvement of the invention: the determining the number of the heat dissipation mechanisms to be started according to the debugging parameters comprises:
and when the heat exchange fan is in the first state or the second state, determining the adjustment quantity for starting the heat exchange fan according to the comparison between the module temperature value and the temperature set value within the preset time after the heat exchange fan is started.
As a further improvement of the invention: the determining the operation parameters of the heat exchange fan according to the debugging parameters comprises the following steps:
in the first state or the second state, after the heat exchange fan is completely started, determining the operating parameters of the heat exchange fan according to the comparison between the module temperature value and the temperature set value within the preset time;
the operation parameters comprise the starting number and frequency of the heat exchange fans.
As a further improvement of the invention: the initial number of the heat exchange fans is in positive correlation with the illumination intensity or the load factor.
As a further improvement of the invention: after the heat exchange fan is started, when the module temperature value is greater than the temperature set value within the preset time;
in the first state, the adjustment quantity of the heat exchange fans started at the same illumination intensity is in positive correlation with the module temperature value;
and in the second state, the same load rate is used, and the adjustment quantity of the started heat exchange fans and the module temperature value are in positive correlation.
As a further improvement of the invention: the determining the operation parameters of the heat exchange fan according to the debugging parameters comprises the following steps:
after the heat exchange fans are completely started, when the module temperature value is greater than the temperature set value within the preset time;
in the first state, determining that the number of the started heat exchange fans is in positive correlation with the module temperature value;
in the second state, the heat exchange fans are determined to be all started;
and when the first state or the second state, the frequency of the heat exchange fan and the module temperature value are in positive correlation.
A heat dissipation control device, comprising:
the system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring debugging parameters, and the debugging parameters at least comprise illumination intensity, unit load rate, module temperature value and temperature set value;
a judging module: the module temperature value is used for judging whether the module temperature value is larger than the set temperature value or not;
a determination module: the number of the heat exchange fans of the unit is determined according to the illumination intensity or the load factor of the unit; and/or determining the starting and frequency of the heat exchange fan of the unit according to the judgment result;
a control module: the device is used for controlling the number of the heat exchange fans and the opening and frequency of the heat exchange fans under different conditions in different running states.
An electronic device, comprising: the system comprises a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory are communicated with each other through the communication bus;
the memory for storing a computer program;
the processor is used for executing the program stored in the memory to realize the heat dissipation control method.
A computer-readable storage medium storing a computer program which, when executed by a processor, implements the heat dissipation control method described above.
The utility model provides a photovoltaic air conditioner which characterized in that: the computer-readable storage medium and the processor are included, wherein the computer program is stored in the computer-readable storage medium, and when the computer program is read and executed by the processor, the heat dissipation control method is realized.
The invention has the beneficial effects that:
according to the invention, through debugging parameters such as illumination intensity or unit load rate, the number of the heat exchange fans started by the unit is controlled under different running states of the unit, the module temperature value is monitored in real time, and then the unit is controlled according to the module temperature value to correspondingly increase the number of the heat exchange fans started, so that the module is preliminarily cooled; if all heat exchange fans are started, the module temperature value is still larger than the temperature set value, the frequency of starting the heat exchange fans and adjusting the heat exchange fans of the unit is controlled according to the module temperature, and therefore the heat dissipation and cooling can be achieved faster and more effectively, and the reliability and the service life of the unit are improved.
Drawings
FIG. 1 is a flow chart of the present invention;
fig. 2 is a schematic structural diagram of the present invention.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
Example one
The embodiment provides a heat dissipation control method, which includes the following steps:
acquiring debugging parameters;
determining the number of the heat dissipation mechanisms to be started according to the debugging parameters;
and determining the operating parameters of the heat exchange fan according to the debugging parameters.
Specifically, the debugging parameters at least include any one of target debugging parameters and module temperature values.
Specifically, the heat dissipation mechanism is a heat exchange fan.
Specifically, the method further comprises the following steps:
acquiring an operation state;
determining the target debugging parameters according to the running state;
wherein the operating state includes a first state and a second state.
Specifically, the determining the number of the heat dissipation mechanisms to be turned on according to the debugging parameters includes:
in the first state, determining the target debugging parameter as illumination intensity;
acquiring the illumination intensity and the module temperature value;
and determining the initial number of the heat exchange fans to be started according to the illumination intensity.
Specifically, the determining the number of the heat dissipation mechanisms to be turned on according to the debugging parameters includes:
in the second state, determining the target debugging parameter as a load rate;
acquiring the load rate and the module temperature value;
and determining the initial number of the heat exchange fans to be started according to the load rate.
Specifically, the determining the number of the heat dissipation mechanisms to be turned on according to the debugging parameters includes:
and when the heat exchange fan is in the first state or the second state, determining the adjustment quantity for starting the heat exchange fan according to the comparison between the module temperature value and the temperature set value within the preset time after the heat exchange fan is started.
Specifically, the determining the operation parameters of the heat exchange fan according to the debugging parameters includes:
in the first state or the second state, after the heat exchange fan is completely started, determining the operating parameters of the heat exchange fan according to the comparison between the module temperature value and the temperature set value within the preset time;
the operation parameters comprise the starting number and frequency of the heat exchange fans.
Specifically, the initial number of the heat exchange fans to be turned on is in positive correlation with the illumination intensity or the load factor.
Specifically, after the heat exchange fan is started, when the module temperature value is greater than the temperature set value within the preset time;
in the first state, the adjustment quantity of the heat exchange fans started at the same illumination intensity is in positive correlation with the module temperature value;
and in the second state, the same load rate is used, and the adjustment quantity of the started heat exchange fans and the module temperature value are in positive correlation.
Specifically, the determining the operation parameters of the heat exchange fan according to the debugging parameters includes:
after the heat exchange fans are completely started, when the module temperature value is greater than the temperature set value within the preset time;
in the first state, determining that the number of the started heat exchange fans is in positive correlation with the module temperature value;
in the second state, the heat exchange fans are determined to be all started;
and when the first state or the second state, the frequency of the heat exchange fan and the module temperature value are in positive correlation.
According to the heat exchange fan control system, the number of the heat exchange fans started by the unit is controlled, the module temperature value is detected in real time through debugging parameters such as the illumination intensity or the unit load factor, if the module temperature value is larger than the temperature set value, when different preset conditions under different running states are controlled, the number of the heat exchange fans started by the unit is continuously increased according to the module temperature, after the heat exchange fans are completely started, if the module temperature value is detected, the module temperature value is still larger than the temperature set value, when different conditions are carried out under different running states, the frequency of the heat exchange fans is controlled to be started and adjusted by the unit according to the module temperature value, heat dissipation and cooling of the module are effectively and reasonably realized, the problems that the service life of the unit is influenced or even the normal running is caused when the module temperature is too high are solved, and therefore the service life and reliability of the unit are improved.
Example two
As shown in fig. 1 and 2, this embodiment provides a heat dissipation control method, which is applied to an air conditioning unit 1, where the air conditioning unit 1 at least includes a heat exchange fan 4, a photovoltaic electrical box 2, and a heat exchange fan 3; the heat exchange fan 3 is arranged in the photovoltaic electrical box 2; n heat exchange fans for forcibly radiating heat of the electric appliance box are arranged in the photovoltaic electric appliance box 2, and the number of the heat exchange fans of the air conditioning unit is M; the method specifically comprises the following steps:
when the air conditioning unit 1 is in a pure power generation state, the heat productivity of the photovoltaic electric appliance box 2 is related to the current passing through the main board, the current is related to the photovoltaic power generation capacity, and the photovoltaic power generation capacity depends on the intensity of illumination. When the photovoltaic air conditioner is in a power generation state, the heat dissipation of the photovoltaic electric appliance box 2 can be realized by controlling the number of the heat exchange fans according to debugging parameters such as illumination intensity and the like.
Specifically, the illumination intensity is detected; determining the actual heat productivity of the photovoltaic electrical box 2 according to the illumination intensity; preliminarily determining the number of the heat exchange fans 3 to be started according to the actual heat productivity of the photovoltaic electrical box 2; subsequently, controlling the air conditioning unit 1 to increase the number of the started heat exchange fans 3 according to the temperature value of the photovoltaic electric appliance box 2 if the temperature value of the photovoltaic electric appliance box 2 is larger than the temperature set value; when all the heat exchange fans 3 are started, the internal temperature value of the photovoltaic electric appliance box 2 is larger than the set temperature value, and the starting and the frequency of the heat exchange fan 4 of the air conditioning unit 1 are controlled according to the temperature value of the photovoltaic electric appliance box 2;
when the air conditioning unit 1 is in a load state, the air conditioning unit 1 can realize heat dissipation control on the photovoltaic electrical box 2 according to the unit load rate when in operation;
specifically, acquiring a unit load rate; determining the actual heat productivity of the photovoltaic electrical box 2 according to the unit load rate; preliminarily determining the number of the heat exchange fans 3 to be started according to the actual heat productivity of the photovoltaic electrical box 2; subsequently, controlling the air conditioning unit 1 to increase the number of the started heat exchange fans 3 according to the temperature value of the photovoltaic electric appliance box 2 if the temperature value of the photovoltaic electric appliance box 2 is larger than the temperature set value; when all the heat exchange fans 3 are started, the internal temperature value of the photovoltaic electric appliance box 2 is larger than the set temperature value, and the starting and the frequency of the heat exchange fan 4 of the air conditioning unit 1 are controlled according to the temperature value of the photovoltaic electric appliance box 2;
in the embodiment, the number of the heat exchange fans 3 started by the air conditioning unit 1 is controlled through debugging parameters such as illumination intensity or unit load rate; and then the opening and the frequency of a heat exchange fan of the air conditioning unit 1 are controlled according to the module temperature value and the temperature set value, so that the heat dissipation and the cooling of the photovoltaic electric appliance box 2 are realized, and the service life and the reliability of the air conditioning unit are improved.
EXAMPLE III
As shown in fig. 1 and 2, the present embodiment provides a heat dissipation control method, which specifically includes: n heat exchange fans 3 for forcibly radiating heat of the photovoltaic electric appliance box 2 are arranged in the photovoltaic air conditioning electric appliance box 2, and the air conditioning unit 1 is provided with M heat exchange fans 4;
specifically, when the pure power generation state, the heat exchange fans 3 that are turned on are determined according to the illumination intensity to dissipate heat of the photovoltaic electrical box 2, as shown in table 1:
TABLE 1
Table 1 is: in the time period of 8:00-10:00, the illumination is general, the power generation amount is small, N/4 heat exchange fans 3 are started, in the time period of 10:00-15:00, the illumination is strong, the power generation amount is large, 2N/3 heat exchange fans 3 are started, in the time period of 15:00-18:00, the illumination is weak, the power generation amount is small, N/3 heat exchange fans 3 are started, in the time period of 18:00-8:00, the illumination is no and the power generation is not carried out, and N/4 heat exchange fans 3 are started;
table 1 verifies that the number of heat exchange fans N is 12, the number of fans is 3 when the number of heat exchange fans N is 8:00 to 10:00, the number of fans is 8 when the number of heat exchange fans N is 10:00 to 15:00, the number of fans is 4 when the number of heat exchange fans N is 15:00 to 18:00, the number of fans is 3 when the number of heat exchange fans N is 18:00 to 8:00, and the heat dissipation effect and the energy consumption achieved by turning on the number of fans at different time periods are the most cost-effective.
More specifically, after the heat exchange fan 3 is started, the temperature T inside the photovoltaic electrical box 2 is detected not to be reduced to the set temperature value T within T minutesIs provided withThen, the number of the heat exchange fans 3 which are started is increased; controlling the air conditioning unit 1 to increase the number of started heat exchange fans 3 according to the module temperature values detected under different illumination intensity conditions;
when the set temperature value T isIs provided withIs T1When, assume different temperature gearsT2、T3、T4、T5、T6Wherein T is1<T2<T3<T4<T5<T6When T is detected to be in a different temperature range, the specific control is as shown in table 2:
TABLE 2
Table 2 specifically includes: when the internal temperature T of the photovoltaic electrical box 2 is less than T1, the internal temperature T of the photovoltaic electrical box 2 is lower than a set temperature value, namely the internal temperature T of the photovoltaic electrical box 2 is detected to be reduced to the set temperature value within T minutes, and the number of the heat exchange fans 3 started by the air conditioning unit 1 is kept unchanged; namely, N/4 heat exchange fans 3 are started in a time period of 8:00-10:00, 2N/3 heat exchange fans 3 are started in a time period of 10:00-15:00, N/3 heat exchange fans 3 are started in a time period of 15:00-18:00, and N/4 heat exchange fans 3 are started in a time period of 18:00-8: 00;
when T1 is more than T and less than T2, the internal temperature T of the photovoltaic electrical box 2 is reduced to a set temperature value, N/2 heat exchange fans are started in a time period of 8:00-10:00, 3N/4 heat exchange fans 3 are started in a time period of 10:00-15:00, 2N/3 heat exchange fans 3 are started in a time period of 15:00-18:00, and N/3 heat exchange fans 3 are started in a time period of 18:00-8: 00; when T is more than T3, starting N heat exchange fans 3 in a time period of 8:00-10:00, starting N heat exchange fans 3 in a time period of 10:00-15:00, starting N heat exchange fans 3 in a time period of 15:00-18:00, and starting 2N/3 heat exchange fans 3 in a time period of 18:00-8: 00;
table 2 verifies that there are 12 heat exchange fans 3, when the internal temperature T of the electrical box is less than T1, 3 heat exchange fans 3 are turned on in a time period of 8:00 to 10:00, 8 heat exchange fans 3 are turned on in a time period of 10:00 to 15:00, 4 heat exchange fans 3 are turned on in a time period of 15:00 to 18:00, and 3 heat exchange fans 3 are turned on in a time period of 18:00 to 8: 00; when T1 is more than T and less than T2, 6 heat exchange fans 3 are started in a time period of 8:00-10:00, 9 heat exchange fans 3 are started in a time period of 10:00-15:00, 8 heat exchange fans 3 are started in a time period of 15:00-18:00, and 4 heat exchange fans 3 are started in a time period of 18:00-8: 00; when T is more than T3, 12 heat exchange fans are started in a time period of 8:00-10:00, 12 heat exchange fans 3 are started in a time period of 10:00-15:00, 12 heat exchange fans are started in a time period of 15:00-18:00, 8 heat exchange fans are started in a time period of 18:00-8:00, and the heat dissipation effect and the energy consumption achieved by the number of heat exchange fans 3 are started at different time periods and different temperatures of the photovoltaic electrical box 2 to achieve the highest cost performance.
In a pure power generation state, after all the built-in heat exchange fans 3 are started, the temperature T of the photovoltaic electrical box 2 is detected not to be reduced to a set value T within T minutesIs provided withIf the temperature value of the photovoltaic electrical box 2 is detected, a heat exchange fan 4 of the air conditioner is started, the frequency is adjusted to dissipate heat, and the air conditioning unit 1 is controlled to start the heat exchange fan 4 and the frequency according to the detected temperature value of the photovoltaic electrical box 2;
when the set temperature value T isIs provided withIs T1When, assume that there is T in different temperature steps2、T3、T4、T5、T6Wherein T is1<T2<T3<T4<T5<T6The specific control is shown in table 3:
| internal temperature T of electrical box | T＜T4 | T4＜T＜T5 | T＞T6 |
| Number of heat exchange fans | M/2 | M | M |
| Frequency of heat exchange fan | x Hz | y Hz | z Hz |
TABLE 3
In table 2, when the internal temperature T of the electrical box is less than T4, M/2 heat exchange fans 4 are controlled to be turned on, and the frequency of each heat exchange fan 4 is adjusted to xHZ; when T4 is more than T and less than T5, controlling to start M heat exchange fans 4, and adjusting the frequency of the heat exchange fans to be yHZ; when T is more than T6, controlling to start M heat exchange fans 4, and adjusting the frequency of the heat exchange fans 4 to zHZ; wherein x is more than y and less than z;
the embodiment determines the number of the heat exchange fans 3 to be started to radiate the heat of the photovoltaic electrical box according to different illumination intensity conditions, sets a temperature threshold value, the quantity of the heat exchange fans 3 is further determined to be increased and started according to the comparison between the internal temperature T of the current photovoltaic electrical box and the temperature threshold value, the heat dissipation and cooling of the photovoltaic electrical box 2 are effectively realized, the operation reliability of the air conditioner is favorably improved, the service life of components is favorably prolonged, and when the illumination is sufficient, the generating capacity is large, and all the built-in heat exchange fans 3 are started, the heat exchange fans 4 of the air conditioner are started to dissipate heat, the frequency of the heat exchange fan 4 is determined by comparing the set temperature threshold value with the current internal temperature of the photovoltaic electric appliance box 2, the operation of the heat exchange fan 4 is matched with the current temperature, the heat dissipation treatment of the photovoltaic electric appliance box is further effectively realized, the operation reliability of the air conditioner is improved, and the service life of components is prolonged.
Example four
As shown in fig. 1 and 2, the present embodiment provides a heat dissipation control method, which specifically includes: n heat exchange fans 3 for forcibly radiating heat of the photovoltaic electric appliance box 2 are arranged in the photovoltaic air conditioning electric appliance box 2, and the air conditioning unit 1 is provided with M heat exchange fans 4;
specifically, when the photovoltaic electrical box 2 is in a load state, the number of the heat exchange fans 3 turned on by the air conditioning unit 1 is controlled according to the unit load factor to dissipate heat due to the power consumption, which is specifically shown in table 4:
| load rate | Less than 30% | 30％～50％ | 50％～80％ | ＞80％ |
| Number of fans turned on | N/4 fans | N/3 fans | N/2 fans | 2N/3 fans |
TABLE 4
Table 3 specifically includes: when the air conditioning load factor is below 30%, starting N/4 heat exchange fans 3, when the air conditioning load factor is 30% -50%, starting N/3 heat exchange fans 3, when the air conditioning load factor is 50% -80%, starting N/2 heat exchange fans 3, and when the air conditioning load factor is greater than 80%, starting 2N/3 heat exchange fans 3;
table 4: the verification shows that the number of the heat exchange fans N is 12, when the air conditioning load rate is below 30%, 3 heat exchange fans are started, when the air conditioning load rate is 30% -50%, 3 heat exchange fans are started, when the air conditioning load rate is 50% -80%, 6 heat exchange fans are started, when the air conditioning load rate is more than 80%, 8 heat exchange fans are started, and the heat dissipation effect and the energy consumption achieved by starting the fans with the number have the highest cost performance under different air conditioning load rates;
after the heat exchange fan 3 is started, the temperature T which is not reduced to the set temperature value T within T minutes is detected according to the internal temperature T of the photovoltaic electrical box 2Is provided withThen, the number of the heat exchange fans 3 which are started is increased; controlling the air conditioning unit 1 to increase the number of started heat exchange fans 3 according to the module temperature values detected under different unit load rate conditions;
when the set temperature value T isIs provided withIs T1When, assume that there is T in different temperature steps2、T3、T4、T5、T6Wherein T is1<T2<T3<T4<T5<T6The specific control is shown in table 5:
TABLE 5
In the table 5, when the internal temperature T of the photovoltaic electrical box is less than T1, the internal temperature T of the photovoltaic electrical box is decreased to a set temperature value, that is, is less than the set temperature value, the number of heat exchange fans 3 to be started is not required to be increased, and the number of heat exchange fans 3 to be started by the air conditioning unit is kept unchanged; when the air conditioner load factor is below 30%, starting N/4 heat exchange fans 3, when the air conditioner load factor is 30% -50%, starting N/3 heat exchange fans 3, when the air conditioner load factor is 50% -80%, starting N/2 heat exchange fans 3, and when the air conditioner load factor is more than 80%, starting 2N/3 heat exchange fans 3;
when the internal temperature T of the photovoltaic electrical box is not decreased to a set temperature value, that is, is greater than the set temperature value, the number of the heat exchange fans 3 needs to be increased, specifically;
when T1 is more than T and less than T2, N/2 heat exchange fans 3 are started when the air-conditioning load rate is below 30%, N/2 heat exchange fans 3 are started when the air-conditioning load rate is 30% -50%, 2N/3 heat exchange fans 3 are started when the air-conditioning load rate is 50% -80%, and 3N/4 heat exchange fans 3 are started when the air-conditioning load rate is more than 80%; when T is more than T3, when the air-conditioning load factor is below 30%, starting 2N/3 heat exchange fans 3, when the air-conditioning load factor is 30% -50%, starting N heat exchange fans 3, when the air-conditioning load factor is 50% -80%, starting N heat exchange fans 3, and when the air-conditioning load factor is more than 80%, starting N heat exchange fans 3;
table 5 verifies that 12 heat exchange fans N are provided, when the internal temperature T of the electrical box is less than T1, 3 heat exchange fans are turned on when the air conditioning load factor is less than 30%, 3 heat exchange fans are turned on when the air conditioning load factor is 30% to 50%, 6 heat exchange fans are turned on when the air conditioning load factor is 50% to 80%, 8 heat exchange fans are turned on when the air conditioning load factor is greater than 80%, 6 heat exchange fans are turned on when the air conditioning load factor is less than 30% when T1 is less than T2, 6 heat exchange fans are turned on when the air conditioning load factor is 30% to 50%, 8 heat exchange fans are turned on when the air conditioning load factor is 50% to 80%, and 9 heat exchange fans are turned on when the air conditioning load factor is greater than 80%; when T is more than T3, when the air conditioner load factor is below 30%, 8 heat exchange fans are started, when the air conditioner load factor is 30% -50%, 12 heat exchange fans are started, when the air conditioner load factor is 50% -80%, 12 heat exchange fans are started, when the air conditioner load factor is more than 80%, 12 heat exchange fans are started, and under different air conditioner load factors and different temperatures of electrical boxes, the heat dissipation effect and the energy consumption achieved by starting the heat exchange fans 3 in the number have the highest cost performance.
In a load state, after the heat exchange fan 3 is started, the temperature T of the photovoltaic electric appliance box 2 does not drop to a set value T within T minutesIs provided withThen, a heat exchange fan 4 of the air conditioner is started and the frequency is adjusted to dissipate heat; controlling the air conditioning unit 1 to start the heat exchange fan 1 and adjust the frequency according to the detected temperature value of the photovoltaic electric appliance box 2;
when the set temperature value T isIs provided withIs T1When, assume that there is T in different temperature steps2、T3、T4、T5、T6Wherein T is1<T2<T3<T4<T5<T6The specific control is shown in table 6:
| internal temperature T of electrical box | T＜T4 | T4＜T＜T5 | T＞T6 |
| Frequency of heat exchange fan | X1 Hz | Y1 Hz | Z1 Hz |
TABLE 6
In said table 6: when the internal temperature T of the photovoltaic electrical box 2 is less than T4, the frequency of the heat exchange fan 4 is adjusted to be X1HZ, when T4 is less than T5, the frequency of the heat exchange fan 4 is adjusted to be Y1HZ, when T is more than T6, the frequency of the heat exchange fan 4 is adjusted to be Z1HZ, wherein X1 is more than Y1 and more than Z1,
table 6 verifies that X1, Y1, and Z1 are 30, 45, and 75, respectively, and the heat dissipation effect and the energy consumption achieved by starting the heat exchange fan according to the frequency have the most cost performance at different temperatures of the electrical box.
In the embodiment, the number of the heat exchange fans 3 is determined to be started according to the load factor of the air conditioning unit after being started to dissipate heat of the photovoltaic electrical box 2, and under the limit of different unit load factor conditions, the number of the heat exchange fans 3 to be started is further determined to be increased by comparing the set temperature threshold with the current internal temperature of the photovoltaic electric box 2, the heat dissipation treatment is reasonably and effectively realized on the photovoltaic electric box, the operation reliability of the air conditioner is favorably improved, the service life of components is favorably prolonged, and when all the heat exchange fans 3 are started, the temperature of the photovoltaic electric appliance box is not reduced to the set threshold value, then the heat exchange fan of the air conditioning unit 1 is started to radiate heat, the frequency of the heat exchange fan 4 is determined by comparing the set threshold value with the current internal temperature of the photovoltaic electrical box 2, so that the operation of the heat exchange fan 4 is matched with the current temperature, the photovoltaic electric appliance box 2 is effectively cooled, so that the operation reliability of the air conditioner is improved, and the service life of components is prolonged.
EXAMPLE five
A heat dissipation control device, comprising:
the system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring debugging parameters, and the debugging parameters at least comprise illumination intensity, unit load rate, module temperature value and temperature set value;
a judging module: the module temperature value is used for judging whether the module temperature value is larger than the set temperature value or not;
a determination module: the number of the heat exchange fans of the unit is determined according to the illumination intensity or the load factor of the unit; and/or determining the starting and frequency of the heat exchange fan of the unit according to the judgment result;
a control module: the device is used for controlling the number of the heat exchange fans and the opening and frequency of the heat exchange fans under different conditions in different running states.
EXAMPLE six
An electronic device, comprising: the system comprises a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory are communicated with each other through the communication bus;
the memory for storing a computer program;
the processor is used for executing the program stored in the memory to realize the heat dissipation control method.
EXAMPLE seven
A computer-readable storage medium storing a computer program which, when executed by a processor, implements the heat dissipation control method described above.
Example eight
The utility model provides a photovoltaic air conditioner which characterized in that: the computer-readable storage medium and the processor are included, wherein the computer program is stored in the computer-readable storage medium, and when the computer program is read and executed by the processor, the heat dissipation control method is realized.
The foregoing illustrates and describes the principles, general features, and advantages of the present 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 described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present 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 (14)
1. A method for controlling heat dissipation, comprising:
acquiring debugging parameters;
determining the number of the heat dissipation mechanisms to be started according to the debugging parameters;
and determining the operating parameters of the heat exchange fan according to the debugging parameters.
2. The method according to claim 1, wherein the debugging parameters at least include any one of target debugging parameters and module temperature values.
3. The method of claim 2, wherein the heat dissipation mechanism is a heat exchange fan.
4. The heat dissipation control method according to claim 3, further comprising:
acquiring an operation state;
determining the target debugging parameters according to the running state;
wherein the operating state includes a first state and a second state.
5. The method according to claim 4, wherein the determining the number of heat dissipation mechanisms to be turned on according to the debugging parameters comprises:
in the first state, determining the target debugging parameter as illumination intensity;
acquiring the illumination intensity and the module temperature value;
and determining the initial number of the heat exchange fans to be started according to the illumination intensity.
6. The method according to claim 4 or 5, wherein the determining the number of heat dissipation mechanisms to be turned on according to the debugging parameters comprises:
in the second state, determining the target debugging parameter as a load rate;
acquiring the load rate and the module temperature value;
and determining the initial number of the heat exchange fans to be started according to the load rate.
7. The method according to claim 6, wherein the determining the number of heat dissipation mechanisms to be turned on according to the debugging parameters comprises:
and when the heat exchange fan is in the first state or the second state, determining the adjustment quantity for starting the heat exchange fan according to the comparison between the module temperature value and the temperature set value within the preset time after the heat exchange fan is started.
8. The heat dissipation control method according to claim 7, wherein the determining the operating parameter of the heat exchange fan according to the debugging parameter comprises:
in the first state or the second state, after the heat exchange fan is completely started, determining the operating parameters of the heat exchange fan according to the comparison between the module temperature value and the temperature set value within the preset time;
the operation parameters comprise the starting number and frequency of the heat exchange fans.
9. The method according to claim 7 or 8, wherein the initial number of the heat exchange fans that are turned on is positively correlated to the illumination intensity or the duty ratio.
10. The heat dissipation control method according to claim 9, wherein after the heat exchange fan is turned on, when the module temperature value is greater than the temperature set value within the preset time;
in the first state, the adjustment quantity of the heat exchange fans started at the same illumination intensity is in positive correlation with the module temperature value;
and in the second state, the same load rate is used, and the adjustment quantity of the started heat exchange fans and the module temperature value are in positive correlation.
11. The heat dissipation control method according to claim 10, wherein the determining the operating parameter of the heat exchange fan according to the debugging parameter comprises:
after the heat exchange fans are completely started, when the module temperature value is greater than the temperature set value within the preset time;
in the first state, determining that the number of the started heat exchange fans is in positive correlation with the module temperature value;
in the second state, the heat exchange fans are determined to be all started;
and when the first state or the second state, the frequency of the heat exchange fan and the module temperature value are in positive correlation.
12. A heat dissipation control device, comprising:
the system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring debugging parameters, and the debugging parameters at least comprise illumination intensity, unit load rate, module temperature value and temperature set value;
a judging module: the module temperature value is used for judging whether the module temperature value is larger than the set temperature value or not;
a determination module: the number of the heat exchange fans of the unit is determined according to the illumination intensity or the load factor of the unit; and/or determining the starting and frequency of the heat exchange fan of the unit according to the judgment result;
a control module: the device is used for controlling the number of the heat exchange fans and the opening and frequency of the heat exchange fans under different conditions in different running states.
13. A computer-storable medium storing a computer program, wherein the computer program, when executed by a processor, implements the heat dissipation control method of any one of claims 1-11.
14. The utility model provides a photovoltaic air conditioner which characterized in that: comprising a computer readable storage medium and a processor storing a computer program which, when read and executed by the processor, implements the heat dissipation control method according to any of claims 1-11.
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