CN115802715A - Temperature regulation energy-saving method and system - Google Patents
Temperature regulation energy-saving method and system Download PDFInfo
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- CN115802715A CN115802715A CN202211548435.0A CN202211548435A CN115802715A CN 115802715 A CN115802715 A CN 115802715A CN 202211548435 A CN202211548435 A CN 202211548435A CN 115802715 A CN115802715 A CN 115802715A
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Abstract
The embodiment of the invention provides a temperature regulation energy-saving method and a temperature regulation energy-saving system, wherein the temperature regulation energy-saving method comprises the steps of judging whether the outdoor environment temperature is smaller than the lower limit value of a preset temperature interval or not; if so, controlling the ventilation mechanism to work so as to lead outdoor fresh air to enter the air storage pool and lead the air storage pool to enter the machine room for return air through an air exhaust channel of the machine room; when the temperature in the air storage pool is within a preset temperature range, the operation mode of the temperature regulator is controlled to be an air supply mode so as to regulate the temperature of the gas entering the machine room. According to the temperature regulation energy-saving method provided by the embodiment of the invention, when the outdoor environment temperature is lower than the lower limit value of the preset temperature interval, the temperature regulator works in the air supply mode through secondary utilization of return air of the machine room, so that the temperature regulation requirement of the machine room can be met, the energy consumption is reduced, and the energy-saving effect is improved.
Description
Technical Field
The application relates to the field of temperature regulation, in particular to a temperature regulation energy-saving method and system.
Background
In order to ensure the operation stability and the service life of the internal equipment in the machine room, the temperature in the machine room needs to be kept within an optimal temperature range.
In the prior art, an air conditioner is usually used to adjust the temperature in the machine room so as to keep the temperature in the machine room within an optimal temperature range, and the air return mode of the air conditioner is mainly indoor air circulation, that is, the air conditioner uses the hot air exhausted from the machine room to return air.
However, the hot air exhausted from the machine room is always higher than the optimal temperature range, so that the air conditioner needs to operate in a cooling mode all the time when the temperature of the machine room is adjusted, and the energy consumption is high.
Disclosure of Invention
In view of the above problems, embodiments of the present application are proposed to provide a temperature regulation power saving method, apparatus, electronic device and storage medium that overcome or at least partially solve the above problems.
In a first aspect, the present invention provides a temperature regulation energy-saving method, which is applied to a temperature regulator included in a temperature regulation energy-saving system, wherein the temperature regulation energy-saving system further includes an air storage tank, the temperature regulator has an air inlet and an air outlet, the air inlet is used for being communicated with the air storage tank, the air storage tank is used for being communicated with the outside, the air outlet is communicated with a machine room, the air storage tank is provided with a ventilation mechanism, and the method includes:
judging whether the outdoor environment temperature is smaller than a lower limit value of a preset temperature interval or not;
if so, controlling the ventilation mechanism to work so as to lead outdoor fresh air to enter the air storage pool and lead the air storage pool to enter machine room return air through an air exhaust channel of the machine room;
when the temperature in the air storage pool is within the preset temperature range, the operation mode of the temperature regulator is controlled to be an air supply mode so as to regulate the temperature of the gas sent into the machine room through the air outlet.
Optionally, a first air duct and a second air duct are arranged on the air storage pool, the first air duct is used for being communicated with the outside, the second air duct is used for being communicated with the air exhaust channel, a first air baffle is arranged in the first air duct, a second air baffle is arranged in the second air duct, and the ventilation mechanism comprises a first driving member connected with the first air baffle and a second driving member connected with the second air baffle;
the control the ventilation mechanism works, including:
and controlling the first driving component to work so as to enable the first wind deflector to be in an open state, and controlling the second driving component to work so as to enable the second wind deflector to be in an open state.
Optionally, a first temperature sensor for measuring the outdoor environment temperature is arranged in the first air duct, and a second temperature sensor for measuring the machine room return air temperature is arranged in the second air duct;
before the step of judging whether the outdoor environment temperature is smaller than the lower limit value of the preset temperature interval, the method further comprises the following steps:
receiving the outdoor environment temperature measured by the first temperature sensor, and receiving the machine room return air temperature measured by the second temperature sensor;
the controlling the first driving member to operate so that the first wind deflector is in an open state, and controlling the second driving member to operate so that the second wind deflector is in an open state includes:
determining a first opening degree of the first wind deflector and a second opening degree of the second wind deflector according to the outdoor environment temperature, the machine room return air temperature and the preset temperature interval;
and controlling the first driving member to work according to the first opening degree so as to enable the first wind deflector to be in an open state, and controlling the second driving member to work according to the second opening degree so as to enable the second wind deflector to be in an open state.
Optionally, a third temperature sensor is arranged in the air storage pool; when the temperature in the retaining pond is in the preset temperature interval, control temperature regulator's operational mode is air supply mode, includes:
receiving a third temperature measured by the third temperature sensor;
judging whether the third temperature is within the preset temperature interval or not;
and if so, controlling the operation mode of the temperature regulator to be an air supply mode.
Optionally, after the step of determining whether the outdoor environment temperature is less than the lower limit of the preset temperature interval, the method further includes:
if not, judging whether the outdoor environment temperature is greater than the upper limit value of the preset temperature interval or not;
if yes, judging whether the outdoor environment temperature is lower than the machine room return air temperature;
if so, controlling the ventilation mechanism to work so that the outdoor fresh air is introduced into the air storage pool, and controlling the operation mode of the temperature regulator to be a refrigeration mode.
Optionally, after the step of controlling the operation mode of the thermostat to be the cooling mode, the method further includes:
generating a first difference value between the outdoor environment temperature and an upper limit value of the preset temperature interval;
and determining the refrigeration parameter of the temperature regulator according to the first difference value.
Optionally, after the step of determining whether the outdoor ambient temperature is less than the machine room return air temperature, the method further includes:
if not, controlling the ventilation mechanism to work so that the air storage pool is led into the machine room for returning air, and controlling the operation mode of the temperature regulator to be a refrigeration mode.
Optionally, after the step of determining whether the outdoor environment temperature is greater than the upper limit value of the preset temperature interval, the method further includes:
if not, controlling the ventilation mechanism to work so as to lead the outdoor fresh air into the air storage pool and control the operation mode of the temperature regulator to be an air supply mode.
In a second aspect, the invention provides a temperature regulation energy-saving system, which comprises an air storage pool and a temperature regulator, wherein the temperature regulator is provided with an air inlet and an air outlet, the air inlet is used for being communicated with the air storage pool, the air storage pool is used for being communicated with the outside, the air outlet is communicated with a machine room, and the air storage pool is provided with a ventilation mechanism;
the temperature regulator is used for judging whether the outdoor environment temperature is less than or equal to the lower limit value of a preset temperature interval or not; if so, controlling the ventilation mechanism to work so as to lead outdoor fresh air to be led into the air storage pool and lead the air storage pool to be led into the machine room return air through an air exhaust channel of the machine room; when the temperature in the air storage tank is within the preset temperature range, the operation mode of the temperature regulator is controlled to be an air supply mode so as to regulate the temperature of the gas entering the machine room.
Optionally, a first air duct and a second air duct are arranged on the air storage pool, the first air duct is used for being communicated with the outside, the second air duct is used for being communicated with the air exhaust channel, a first air baffle is arranged in the first air duct, a second air baffle is arranged in the second air duct, and the ventilation mechanism comprises a first driving member connected with the first air baffle and a second driving member connected with the second air baffle;
the temperature regulator is also used for controlling the first driving component to work so as to enable the first wind shield to be in an open state, and controlling the second driving component to work so as to enable the second wind shield to be in an open state.
In the embodiment of the invention, outdoor fresh air can be introduced into the air storage tank, when the outdoor environment temperature is lower than the lower limit value of the preset temperature interval, the ventilation mechanism can be controlled to work, so that the outdoor fresh air and the machine room return air are introduced into the air storage tank, the temperature in the air storage tank can be in the preset temperature interval, and because the air inlet of the temperature regulator is communicated with the air storage tank, namely the temperature regulator enters air from the air storage tank, when the temperature in the air storage tank is in the preset temperature interval, the temperature regulator does not need to refrigerate or heat, only needs to enter air from the air storage tank and supply air to the machine room through the air outlet, namely when the outdoor environment temperature is lower than the lower limit value of the preset temperature interval, the temperature regulator can meet the temperature regulation requirement of the machine room in an air supply mode through secondary utilization of the machine room return air, the energy consumption is reduced, and the energy-saving effect is improved; in addition, in the embodiment of the invention, when the temperature regulator works in the air supply mode, the secondary utilization of return air in the machine room is realized, no additional heat source is needed, and the energy-saving effect is further improved; in addition, through the arrangement of the air storage pool, the air with the temperature within a preset temperature range can be stored, and the air inlet continuity of the air inlet of the temperature regulator can be guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flow chart of steps of a method for saving energy by temperature regulation according to an embodiment of the present invention;
FIG. 2 is a flow chart of steps of another energy-saving method for temperature regulation according to an embodiment of the present invention;
FIG. 3 is a first schematic structural diagram of a temperature regulation energy-saving system according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a temperature regulation energy saving system according to an embodiment of the present invention.
Reference numerals:
10-temperature regulator, 11-air inlet, 12-air outlet, 20-air storage pool, 21-first air channel, 22-second air channel, 23-first air baffle, 24-second air baffle, 25-third temperature sensor, 26-third air channel, 27-third air baffle, 28-fan, 30-machine room, 31-cabinet, 32-air supply channel, 33-air exhaust channel, 211-first temperature sensor, 212-first flow sensor, 221-second temperature sensor and 222-second flow sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiment of the present invention may be applied to a scenario of performing temperature adjustment on a machine room, and at present, a return air mode of an air conditioner performing temperature adjustment on the machine room is mainly indoor air circulation, that is, the air conditioner returns air by using hot air exhausted from the machine room. However, the hot air exhausted from the machine room is always higher than the optimal temperature range, and therefore, when the temperature of the machine room is adjusted, the air conditioner is required to be operated in a cooling mode all the time. In order to improve the energy-saving effect of the air conditioner, in the prior art, factors influencing the energy-saving effect of the air conditioner need to be analyzed, a mathematical model is established for the corresponding factors, and the energy-saving effect is improved through different optimization algorithms. In order to reduce energy consumption and improve energy saving effect, the embodiment of the invention provides a temperature regulation energy saving method and system.
Referring to fig. 1 and fig. 3, an embodiment of the present invention provides a temperature regulation energy-saving method, which is specifically applied to a temperature regulator 10 in a temperature regulation energy-saving system. The temperature regulation energy-saving system comprises a temperature regulator 10 and an air storage tank 20, wherein the temperature regulator 10 is provided with an air inlet 11 and an air outlet 12, the air inlet 11 is communicated with the air storage tank 20, the air storage tank 20 is communicated with the outside, the air outlet 12 is communicated with a machine room 30, and the air storage tank 20 is provided with a ventilation mechanism.
A plurality of cabinets 31 are placed in the machine room 30, the machine room 30 is provided with an air supply duct 32 and an air discharge duct 33, and the air supply duct 32 and the air discharge duct 33 can communicate with the plurality of cabinets 31. Specifically, an air supply outlet is provided at the lower portion of each cabinet 31, and the air supply outlet is communicated with the air supply passage 32. An air outlet is arranged at the upper part of each cabinet 31 and communicated with the air outlet channel 33. The air outlet 12 is specifically communicated with the air supply channel 32 of the machine room 30, so that air from the air outlet 12 is sent into the plurality of cabinets 31 through the air supply channel 32, the wind energy from the air outlet 12 is directly sent into the cabinets 31, the energy consumption is reduced, and the problem that the energy consumption is high due to the fact that the air from the air outlet 12 is sent into the machine room 30 is avoided. In other embodiments, the supply air duct 32 and the exhaust air duct 33 may directly communicate with the machine room 30
The thermostat includes a processor that is capable of performing a thermostat energy conservation method. The temperature conditioner is used for temperature conditioning, and is provided with a cooling function and an air supply function, which may include an air conditioner. In other embodiments, an air cooler or the like may also be included. When the temperature regulator comprises an air conditioner, the air conditioner can be a split air conditioner, the split air conditioner comprises an outer unit and an inner unit, the outer unit can be located outdoors, the inner unit is located indoors, the air inlet 11 is arranged on the outer unit, and the air outlet 12 is arranged on the inner unit. In other embodiments, the air conditioner may be an integrated air conditioner.
The air storage tank 20 may be a square box structure, and the air storage tank 20 may be disposed indoors or outdoors. The air storage tank 20 has an air storage cavity, and the volume of the air storage cavity is V1 cubic meter, that is, V1 cubic meter of gas can be stored in the air storage tank 20, and the gas can be air. The value of V1 may be set according to actual requirements, such as 0.5, 1, 2, etc. The air storage pool 20 is used for introducing outdoor fresh air from the outdoor environment and introducing machine room return air from the air exhaust channel 33 of the machine room 30. The ventilation mechanism is specifically used for controlling the air storage pool 20 to introduce outdoor fresh air and/or machine room return air.
The temperature regulation energy-saving method provided by the embodiment of the invention is applied to a processor of a temperature regulator, and comprises the following steps:
Specifically, the outdoor environment temperature is the temperature of the outdoor environment, and the air storage pool 20 is used for introducing outdoor fresh air from the outdoor environment. The outdoor ambient temperature is expressed in T1 degrees celsius. The preset temperature interval is a temperature interval suitable for the operation of the plurality of cabinets 31 in the machine room 30. The preset temperature interval is represented by T2-T3 degrees celsius, that is, T2 degrees celsius is a lower limit value of the preset temperature interval, and T3 degrees celsius is an upper limit value of the preset temperature interval. T2 may be 18-21 and T3 may be 25-28. Specifically, the preset temperature range may be 19 to 28 degrees celsius, that is, the lower limit value of the preset temperature range is 19 degrees celsius, and the upper limit value thereof is 28 degrees celsius.
And 102, if yes, controlling the ventilation mechanism to work so as to lead outdoor fresh air into the air storage pool 20 and lead the air storage pool 20 into the machine room return air through the air exhaust channel 33 of the machine room 30.
Specifically, if the outdoor environment temperature is determined to be less than the lower limit value of the preset temperature interval, that is, the outdoor environment temperature T1 is lower than the lower limit value T2 of the preset temperature interval, the ventilation mechanism can be controlled to work, so that the outdoor fresh air and the machine room return air are introduced into the air storage pool 20. The machine room return air is the return air discharged from the air discharge passage 33 of the machine room 30 after exchanging heat with the cabinet 31. The temperature of computer lab return air, computer lab return air temperature generally is greater than the upper limit value of presetting the temperature interval promptly, and computer lab return air's temperature is higher promptly. The machine room return air temperature can be represented by T4 ℃, and then T4 is larger than T3. Let in outdoor new trend and computer lab return air simultaneously in retaining pond 20, then the lower outdoor new trend of temperature can mix with the higher computer lab return air of temperature to the gaseous temperature of the back of mixing in the messenger retaining pond 20 is in predetermineeing the temperature interval.
Specifically, when the operation mode of the temperature regulator 10 is the air supply mode, the temperature regulator 10 is only responsible for sending the air entering from the air inlet 11 to the air outlet 12 and sending the air out, that is, when the operation mode of the temperature regulator 10 is the air supply mode, the energy consumption is low. Because the air inlet 11 of the temperature regulator 10 is communicated with the air storage tank 20, that is, the temperature regulator 10 supplies air from the air storage tank 20, when the temperature in the air storage tank 20 is within the preset temperature range, the operation mode of the temperature regulator 10 is the air supply mode, and the temperature of the air sent into the machine room 30 through the air outlet 12 can be ensured to be within the preset temperature range.
In the embodiment of the invention, outdoor fresh air can be introduced into the air storage tank 20, when the outdoor environment temperature is lower than the lower limit value of the preset temperature interval, the ventilation mechanism can be controlled to work, so that the outdoor fresh air and the machine room return air are introduced into the air storage tank 20, the temperature in the air storage tank 20 can be within the preset temperature interval, and the air inlet 11 of the temperature regulator 10 is communicated with the air storage tank 20, namely the temperature regulator 10 feeds air from the air storage tank 20, when the temperature in the air storage tank 20 is within the preset temperature interval, the temperature regulator 10 only needs to feed air from the air storage tank 20 and supply air to the machine room 30 through the air outlet 12 without refrigerating or heating, namely when the outdoor environment temperature is lower than the lower limit value of the preset temperature interval, the temperature regulator 10 can meet the temperature regulation requirement of the machine room 30 by utilizing the machine room return air secondarily, so that the temperature regulator 10 can work in an air supply mode, the energy consumption is reduced, and the energy saving effect is improved; in addition, in the embodiment of the invention, when the temperature regulator 10 works in the air supply mode, the secondary utilization of return air of the machine room is realized, no additional heat source is needed, and the energy-saving effect is further improved; in addition, through the arrangement of the air storage pool 20, the air with the temperature within the preset temperature range can be stored, and the air inlet continuity of the air inlet 11 of the temperature regulator 10 can be ensured.
Optionally, referring to fig. 3, a first air duct 21 and a second air duct 22 are disposed on the air storage pool 20, the first air duct 21 is configured to communicate with the outside, the second air duct 22 is configured to communicate with the air exhaust channel 33, a first air baffle 23 is disposed in the first air duct 21, a second air baffle 24 is disposed in the second air duct 22, and the ventilation mechanism includes a first driving member connected to the first air baffle 23 and a second driving member connected to the second air baffle 24.
Specifically, a first vent is arranged on the right side of the air storage pool 20, a second vent is arranged on the upper side of the air storage pool 20, the first vent is communicated with the first air channel 21, and the second vent is communicated with the second air channel 22. The first air deflector 23 is disposed at an end of the first air duct 21 near the first vent, and the first air deflector 23 is used for shielding or opening the first vent. When the first wind shield 23 is used for shielding the first ventilation opening, outdoor fresh air cannot enter the air storage pool 20; when the first air baffle 23 is used for opening the first ventilation opening, fresh outdoor air can enter the air storage pool 20. The second air baffle 24 is disposed at an end of the second air channel 22 close to the second ventilation opening, and the second air baffle 24 is used for shielding or opening the second ventilation opening. When the second air baffle 24 is used for shielding the second ventilation opening, the machine room return air cannot enter the air storage pool 20; when the second air baffle 24 is used for opening the second ventilation opening, the machine room return air can enter the air storage tank 20.
One side of first deep bead 23 can set up first articulated shaft, and first deep bead 23 accessible first articulated shaft articulates on first wind channel 21, and first deep bead 23 can rotate around first articulated shaft. Specifically, a first hinge shaft is fixed on one side of the first wind deflector 23, and the first hinge shaft is rotatably connected to the first air duct 21. When the first hinge shaft rotates, the first wind deflector 23 may rotate along with the rotation of the first hinge shaft. The first driving member is used for driving the first wind deflector 23, the first driving member is connected with the first wind deflector 23 through a first hinge shaft, the first driving member can be a first driving motor, and the first driving motor is connected with one end of the first hinge shaft and used for driving the first hinge shaft to rotate. The first driving motor may be provided on an outer wall of the wind reservoir 20. In other embodiments, the first driving member may be a steering engine connected to the first hinge shaft, or may be a link driving mechanism connected to the first wind deflector 23. The first drive member is electrically connected to the processor of the thermostat 10.
One side of the second wind deflector 24 can be provided with a second hinge shaft, the second wind deflector 24 can be hinged on the second air duct 22 through the second hinge shaft, and the second wind deflector 24 can rotate around the second hinge shaft. Specifically, a second hinge shaft may be fixed to one side of the second air blocking plate 24, and the second hinge shaft is rotatably disposed on the second air duct 22. When the second hinge shaft rotates, the second wind blocking plate 24 may rotate along with the rotation of the second hinge shaft. The second driving member is used for driving the second wind deflector 24, the second driving member is connected with the second wind deflector 24 through a second hinge shaft, the second driving member can be a second driving motor, and the second driving motor is connected with one end of the second hinge shaft and used for driving the second hinge shaft to rotate. The second driving motor may be provided on an outer wall of the wind reservoir 20. The second drive member is electrically connected to the processor of the thermostat 10.
Controlling the operation of the ventilation mechanism in step 102 comprises:
the first driving means is controlled to operate so that the first wind deflector 23 is in the open state, and the second driving means is controlled to operate so that the second wind deflector 24 is in the open state.
Specifically, when the first wind deflector 23 is in an open state, the first wind deflector 23 is used for opening the first vent, and outdoor fresh air can enter the air storage pool 20. When the second wind deflector 24 is in an open state, the second wind deflector 24 is used for opening the second ventilation opening, and the machine room return air can enter the air storage tank 20. In the implementation of the invention, the control of whether outdoor fresh air is introduced into the air storage pool 20 or not and the control of machine room return air can be realized through the arrangement of the first air duct 21, the second air duct 22, the first air baffle 23, the second air baffle 24, the first driving component and the second driving component; and the structure is simple, and the cost is low.
Optionally, a first temperature sensor 211 for measuring the outdoor ambient temperature is disposed in the first air duct 21, and a second temperature sensor 221 for measuring the machine room return air temperature, that is, the temperature of the machine room return air in the second air duct 22, is disposed in the second air duct 22.
Referring to fig. 2, before step 101, the method further includes:
and step 104, receiving the outdoor environment temperature measured by the first temperature sensor 211, and receiving the machine room return air temperature measured by the second temperature sensor 221.
Specifically, referring to fig. 4, the first temperature sensor 211 and the second temperature sensor 221 are electrically connected to a processor of the thermostat 10, respectively. The first temperature sensor 211 may send its measured outdoor ambient temperature T1 to the processor of the thermostat 10 and the second temperature sensor 221 may send its measured machine room return air temperature T4 to the processor of the thermostat 10. The first temperature sensor 211 and the second temperature sensor 221 may each employ a micro temperature sensor.
Controlling the first driving means to operate so that the first wind deflector 23 is in the open state and controlling the second driving means to operate so that the second wind deflector 24 is in the open state includes:
and determining a first opening degree of the first wind shield 23 and a second opening degree of the second wind shield 24 according to the outdoor environment temperature, the machine room return air temperature and the preset temperature interval.
Specifically, the first opening degree of the first wind deflector 23 and the second opening degree of the second wind deflector 24 are the rotation angle of the first wind deflector 23 and the rotation angle of the second wind deflector 24, respectively. When outdoor fresh air and machine room return air are simultaneously introduced into the air storage tank 20, the volume of the introduced outdoor fresh air is represented by V1, and the volume of the introduced machine room return air is represented by V4, so that the outdoor fresh air with lower temperature can be mixed with the machine room return air with higher temperature, the theoretical temperature of mixed gas is represented by T0 ℃, and the theoretical temperature T0 of the mixed gas needs to meet the preset temperature range. Then, approximately, the theoretical temperature T0= (T1 × V1+ T4 × V4)/V1 + V4 of the mixed gas, and V1/V4= (T4-T0)/(T0-T1) can be obtained from this formula.
The areas of the cross sections of the first air duct 21 and the second air duct 22 are the same, and the areas of the first ventilation opening and the second ventilation opening are the same, so that the larger the opening degree of the first wind shield 23 is, the more outdoor fresh air enters, and the larger the intake flow of the outdoor fresh air is. Therefore, the ratio of the first opening degree to the second opening degree may be set as the ratio V1/V4, T0 may be determined according to the preset temperature interval, and if T0 may be set as the lower limit value T2+2 of the preset temperature interval, the ratio of the first opening degree to the second opening degree is equal to V1/V4, which is equal to (T4-T2-2)/(T2 + 2-T1), where T2 is known by the preset, T1 is the outdoor ambient temperature measured by the first temperature sensor 211, and T4 is the machine room return air temperature measured by the second temperature sensor 221. Therefore, according to the outdoor environment temperature, the machine room return air temperature and the preset temperature interval, the ratio of the first opening degree to the second opening degree can be determined. The actual rotation ranges of the first wind deflector 23 and the second wind deflector 24 are both 0 degree to 90 degrees, that is, the ranges of the first opening degree and the second opening degree are greater than 0 and less than or equal to 90. As shown in fig. 3, when the first wind deflector 23 rotates 90 degrees counterclockwise toward the interior of the air storage tank 20, and the second wind deflector 24 rotates 90 degrees counterclockwise toward the interior of the air storage tank 20, the first wind deflector 23 is parallel to the length direction of the first air duct 21 (i.e., the air inlet direction of the outdoor fresh air), the second wind deflector 24 is parallel to the length direction of the second air duct 22 (i.e., the air inlet direction of the machine room return air), and the first ventilation opening and the second ventilation opening are all open. After the ratio of the first opening degree to the second opening degree is determined, the sum of the first opening degree and the second opening degree may be set to 90, and finally the first opening degree and the second opening degree may be determined.
The first driving means is controlled to operate according to the first opening degree so that the first wind deflector 23 is in an open state, and the second driving means is controlled to operate according to the second opening degree so that the second wind deflector 24 is in an open state.
Specifically, the first driving member is controlled to operate according to the first opening degree, and the first hinge shaft is further controlled to rotate by the first opening degree, so that the first wind deflector 23 is in an open state. And controls the second driving member to operate according to the second opening degree, thereby controlling the second hinge shaft to rotate by the second opening degree, so that the second wind blocking plate 24 is in an open state. In the embodiment of the invention, the first opening degree and the second opening degree are determined, and the first driving member and the second driving member are respectively controlled to work according to the first opening degree and the second opening degree, so that the temperature in the air storage tank 20 can be quickly within the preset temperature range, and the condition that the temperature in the air storage tank 20 cannot be within the preset temperature range all the time when the opening degrees of the first air baffle 23 and the second air baffle 24 are consistent is avoided.
Optionally, a third temperature sensor 25 is provided within the reservoir 20.
When the temperature in the air storage tank 20 is within the preset temperature range in step 103, controlling the operation mode of the temperature regulator 10 to be the air supply mode, including:
receiving a third temperature measured by a third temperature sensor 25; judging whether the third temperature is within a preset temperature range or not; if yes, the operation mode of the thermostat 10 is controlled to the blowing mode.
Specifically, the third temperature sensor 25 is used to measure the temperature in the reservoir 20, and the value measured by the third temperature sensor 25 is the third temperature. The third temperature sensor 25 is electrically connected to the processor of the thermostat 10, and the third temperature sensor 25 can transmit the third temperature measured by the third temperature sensor to the processor of the thermostat 10. In the embodiment of the invention, the temperature in the air storage tank can be measured by the third temperature sensor arranged in the air storage tank, and the cost is lower.
Optionally, after step 101, the method further includes:
and 105, if not, judging whether the outdoor environment temperature is greater than the upper limit value of the preset temperature interval.
Specifically, the preset temperature interval is a temperature interval, and if the determination result of determining whether the outdoor environment temperature is less than the lower limit value of the preset temperature interval in step 101 is negative, that is, the outdoor environment temperature is not less than the lower limit value of the preset temperature interval, the outdoor environment temperature may be within the preset temperature interval range or may be greater than the upper limit value of the preset temperature interval, so that it is necessary to continuously determine whether the outdoor environment temperature is greater than the upper limit value of the preset temperature interval.
And step 106, if yes, judging whether the outdoor environment temperature is lower than the machine room return air temperature.
Specifically, if it is determined that the outdoor ambient temperature is greater than the upper limit of the preset temperature range, the operation mode of the temperature regulator 10 needs to be set to the cooling mode. In the cooling mode, the smaller the difference between the temperature of the air entering from the air inlet 11 and the temperature of the air exiting from the air outlet 12 of the temperature regulator 10 is, the smaller the energy consumption of the temperature regulator 10 is. Therefore, it is also necessary to determine whether the outdoor ambient temperature is lower than the machine room return air temperature, so that the temperature of the inlet air from the air inlet 11 of the temperature regulator 10 is relatively low, and the energy consumption is further reduced.
And step 107, if so, controlling the ventilation mechanism to work so as to lead the fresh air in the air storage pool 20 outdoors, and controlling the operation mode of the temperature regulator 10 to be a refrigeration mode.
Specifically, if the outdoor environment temperature is judged to be smaller than the machine room return air temperature, the outdoor environment temperature is lower compared with the machine room return air temperature. At this time, the first driving mechanism is controlled to work, so that the first air blocking plate 23 is in an open state, and the first opening degree of the first air blocking plate 23 is 90, so that fresh air outside the air storage tank 20 is introduced. And the second wind deflector 24 is in a closed state, when the second wind deflector 24 is in the closed state and the second wind deflector 24 is used for shielding the second ventilation opening, the machine room return air cannot enter the air storage tank 20. At this time, the air inlet 11 only enters from the outside through the air storage tank 20. Then, the operation mode of the temperature regulator 10 is controlled to be a cooling mode, so that the temperature of the air outlet 12 of the temperature regulator 10 is within a preset temperature range. In this embodiment, when the outdoor ambient temperature is greater than the upper limit value of the preset temperature range, the operation mode of the temperature regulator 10 is controlled to be the cooling mode, so that the temperature of the gas fed into the air supply passage 32 of the machine room 30 can be continuously regulated.
Optionally, after step 107, further comprising:
and 108, generating a first difference value between the outdoor environment temperature and the upper limit value of the preset temperature interval.
Specifically, the first difference is a positive number, and the first difference is a value obtained by subtracting the outdoor environment temperature from the upper limit value of the preset temperature interval. The first difference is in a range of greater than 0 and less than or equal to 30.
Specifically, the operation mode of the thermostat 10 is a cooling parameter, which is a relevant operation parameter in the cooling mode. The greater the first difference, the greater the refrigeration parameter may be accordingly. For example, the refrigeration parameter may be the temperature of the outlet air of the outlet 12. Specifically, the temperature of the outlet air of the tuyere 12 can be determined according to a first rule and a first difference. The first rule is: when the first difference is greater than 0 and less than or equal to 5, determining that the temperature of the outlet air of the air outlet 12 is the upper limit value of the preset temperature interval minus 2; when the first difference value is greater than 5 and less than or equal to 10, determining that the temperature of the outlet air of the air opening 12 is the upper limit value minus 1 of the preset temperature interval; when the first difference is greater than 10, the temperature of the air outlet 12 is determined to be the upper limit value of the preset temperature interval. In this embodiment, the refrigeration parameter of the temperature regulator 10 is determined according to the first difference, so that it can be ensured that the temperature regulator 10 can maintain low power consumption when operating in the refrigeration mode, and the energy saving effect is further improved. In addition, in the embodiment of the invention, the return air of the machine room is recycled, so that the temperature regulator 10 does not need a heating mode, and only has an air supply mode and a refrigeration mode. And the refrigeration mode adopts a lower power consumption technology, and the refrigeration parameters of the temperature regulator 10 are minimized, so that the energy consumption is reduced, and the energy-saving effect is improved.
Optionally, after step 106, the method further includes:
and step 110, if not, controlling the ventilation mechanism to work so that the air storage tank 20 is led into the machine room for returning air, and controlling the operation mode of the temperature regulator 10 to be a refrigeration mode.
Specifically, if the determination result of determining whether the outdoor environment temperature is less than the machine room return air temperature in step 106 is negative, that is, if the outdoor environment temperature is determined not to be less than the machine room return air temperature, then the machine room return air temperature is less than or equal to the outdoor environment temperature at this time. At this time, if air is taken in from the outside, the power consumption of the temperature regulator 10 is high, and therefore, it is possible to ensure low power consumption of the temperature regulator 10 by taking air from the exhaust duct 33 at a temperature less than or equal to the outdoor ambient temperature.
If the outdoor environment temperature is judged to be not less than the machine room return air temperature, the second driving component is controlled to work, so that the second air baffle 24 is in a working state, and the first opening degree of the second air baffle 24 is 90, so that the air storage tank 20 is communicated with the machine room return air. And the first wind shield 23 is in a closed state, when the first wind shield 23 is in the closed state and the first wind shield 23 is used for shielding the first vent, outdoor fresh air cannot enter the air storage pool 20. At this time, the air inlet 11 only supplies air from the air discharge channel 33 through the air storage tank 20. Then, the operation mode of the temperature regulator 10 is controlled to be a cooling mode, so that the temperature of the air outlet 12 of the temperature regulator 10 is within a preset temperature range. In the embodiment of the invention, if the outdoor environment temperature is judged to be not less than the return air temperature of the machine room, the air storage tank 20 is led into the machine room for return air, and the operation mode of the temperature regulator 10 is controlled to be the setting of the refrigeration mode, so that the temperature of the inlet air of the air inlet 11 of the temperature regulator 10 is relatively low, and the energy consumption is further reduced.
Optionally, after step 105, further comprising:
and step 111, if not, controlling the ventilation mechanism to work so as to lead outdoor fresh air into the air storage pool 20, and controlling the operation mode of the temperature regulator 10 to be an air supply mode.
Specifically, if the determination result of determining whether the outdoor environment temperature is greater than the upper limit value of the preset temperature interval in step 105 is negative, that is, the outdoor environment temperature is not greater than the upper limit value of the preset temperature interval, then the outdoor environment temperature is within the preset temperature interval, that is, the outdoor environment temperature is greater than or equal to the lower limit value of the preset temperature interval and is less than or equal to the upper limit value of the preset temperature interval. At this time, the temperature regulator 10 only needs to work in the air supply mode, and the temperature of the air in the air supply channel 32 sent into the machine room 30 through the air outlet 12 is within the preset temperature range.
The ventilation mechanism is controlled to work, specifically, the first driving mechanism is controlled to work, so that the first wind deflector 23 is in an open state, and the first opening of the first wind deflector 23 is 90, so that outdoor fresh air is introduced into the air storage tank 20. And the second wind deflector 24 is in a closed state, when the second wind deflector 24 is in the closed state and the second wind deflector 24 is used for shielding the second ventilation opening, the machine room return air cannot enter the air storage tank 20. At this time, the air inlet 11 only enters from the outside through the air storage tank 20. After that, the operation mode of the thermostat 10 is controlled to the blowing mode. In this embodiment, the operation mode of the temperature regulator 10 is controlled to be the air supply mode, so that the energy consumption is reduced and the energy saving effect is improved.
Referring to fig. 3, in a second aspect, an embodiment of the present invention provides a temperature regulation energy saving system, including a temperature regulator 10 and an air storage tank 20, where the temperature regulator 10 has an air inlet 11 and an air outlet 12, the air inlet 11 is used for communicating with the air storage tank 20, the air storage tank 20 is used for communicating with the outside, the air outlet 12 is communicated with a machine room 30, and the air storage tank 20 is provided with a ventilation mechanism.
The temperature regulator 10 is configured to determine whether the outdoor environment temperature is less than a lower limit of a preset temperature range; if so, controlling the ventilation mechanism to work so as to lead outdoor fresh air to be led into the air storage pool 20 and lead the air storage pool 20 to be led into the machine room return air through an air exhaust channel 32 of the machine room 30; when the temperature in the air storage tank 20 is within the preset temperature range, the operation mode of the temperature regulator 10 is controlled to be the air supply mode, so as to regulate the temperature of the air sent into the machine room 30 through the air outlet 12.
Optionally, a first air duct 21 and a second air duct 22 are disposed on the air storage pool 20, the first air duct 21 is configured to communicate with the outside, the second air duct 22 is configured to communicate with the air exhaust channel 33, a first air baffle 23 is disposed in the first air duct 21, a second air baffle 24 is disposed in the second air duct 22, and the ventilation mechanism includes a first driving member connected to the first air baffle 23 and a second driving member connected to the second air baffle 24.
The thermostat 10 is also arranged to control the first driving means to operate so that the first windscreen 23 is in an open state and to control the second driving means to operate so that the second windscreen 24 is in an open state.
Optionally, a first temperature sensor 211 for measuring the outdoor ambient temperature is disposed in the first air duct 21, and a second temperature sensor 221 for measuring the machine room return air temperature, that is, the temperature of the machine room return air in the second air duct 22, is disposed in the second air duct 22.
The temperature regulator 10 is further configured to receive the outdoor ambient temperature measured by the first temperature sensor 211, and receive the machine room return air temperature measured by the second temperature sensor 221; the temperature regulator 10 is further configured to determine a first opening degree of the first wind deflector 23 and a second opening degree of the second wind deflector 24 according to the outdoor environment temperature, the machine room return air temperature and a preset temperature interval; the first driving means is controlled to operate according to the first opening degree so that the first wind deflector 23 is in an open state, and the second driving means is controlled to operate according to the second opening degree so that the second wind deflector 24 is in an open state.
Optionally, a third temperature sensor 25 is provided within the reservoir 20.
The temperature regulator 10 is also used for receiving a third temperature measured by a third temperature sensor 25; judging whether the third temperature is within a preset temperature range or not; if so, the operation mode of the thermostat 10 is controlled to the blowing mode.
Optionally, the temperature regulator 10 is further configured to determine whether the outdoor environment temperature is greater than an upper limit value of the preset temperature interval if the outdoor environment temperature is not greater than the upper limit value of the preset temperature interval; if yes, judging whether the outdoor environment temperature is lower than the machine room return air temperature; if yes, the ventilation mechanism is controlled to work, so that fresh air is introduced into the air storage pool 20 outdoors, and the operation mode of the temperature regulator 10 is controlled to be a refrigeration mode.
Optionally, the temperature regulator 10 is further configured to generate a first difference between the outdoor environment temperature and an upper limit value of the preset temperature interval; the refrigeration parameter of the thermostat 10 is determined based on the first difference.
Optionally, the thermostat 10 is further configured to, if not, control the ventilation mechanism to operate, so that the air storage tank 20 is led into the machine room for returning air, and control the operation mode of the thermostat 10 to be the cooling mode.
Optionally, the temperature regulator 10 is further configured to control the ventilation mechanism to operate if the temperature of the air supply is not within the preset range, so that fresh air is introduced into the air storage pool 20, and the operation mode of the temperature regulator 10 is controlled to be the air supply mode.
Optionally, the air storage pool 20 is further provided with a third air duct 26, and the third air duct 26 is used for communicating the air inlet 11 with the inside of the air storage pool 20. A third wind deflector 27 is disposed in the third wind channel 26, and the specific structure of the third wind deflector 27 can refer to the first wind deflector 23, which is not described herein again. It should be noted that, when the thermostat 10 operates, the third damper 27 may be always in the open state, and the opening degree of the third damper 27 may be set to the maximum value, i.e., 90 degrees. The third wind-guard plate 27 is arranged to control the flow of the wind from the wind inlet 11. In other embodiments, a fourth wind screen may be further disposed at an end of the air exhaust channel 33 near the outdoor to control whether the machine room return air is exhausted to the outdoor.
A first flow sensor 212 is further disposed in the first air duct 21, and the first flow sensor 212 is electrically connected to the processor of the temperature regulator 10. The first flow sensor 212 is used for measuring the flow of the outdoor fresh air entering the air storage pool 20 when the outdoor fresh air is introduced into the air storage pool 20. Through the setting of first flow sensor 212, can be when monitoring that the flow that outdoor new trend got into in the wind storage pool 20 is higher or lower, change the flow that outdoor new trend got into in the wind storage pool 20 through controlling first deep bead 23.
A second flow sensor 222 is also disposed within the second air chute 22, the second flow sensor 222 being electrically connected to the processor of the thermostat 10. The second flow sensor 222 is used for measuring the flow of the machine room return air entering the air storage tank 20 when the air storage tank 20 is filled with the machine room return air. Through the setting of the second flow sensor 222, when it is monitored that the flow rate of the machine room return air entering the air storage tank 20 is higher or lower, the flow rate of the machine room return air entering the air storage tank 20 can be changed by controlling the second air baffle 24.
Still be provided with fan 28 in the retaining pond 20, through the setting of fan 28, can guarantee the flash mixed of indoor return air and outdoor new trend in the retaining pond 20, fan 28 is connected with the treater electricity of temperature regulator 10.
For the system embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: rather, the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer.
In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering.
These words may be interpreted as names.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The foregoing is illustrative of the present invention and is not to be construed as limiting thereof
Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above description is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto
In this regard, any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present disclosure, and shall be covered by the protection scope of the present disclosure. Thus, the protection of the invention
The scope shall be subject to the protection scope of the claims.
It should be noted that, in the embodiment of the present invention, the processes related to obtaining various data are performed under the premise of complying with the data protection regulation policy corresponding to the country of the location, and obtaining the authorization given by the owner of the corresponding device.
Claims (10)
1. The temperature regulation energy-saving method is characterized in that the temperature regulation energy-saving method is applied to a temperature regulator included in a temperature regulation energy-saving system, the temperature regulation energy-saving system further comprises an air storage pool, the temperature regulator is provided with an air inlet and an air outlet, the air inlet is used for being communicated with the air storage pool, the air storage pool is used for being communicated with the outside, the air outlet is communicated with a machine room, the air storage pool is provided with a ventilation mechanism, and the method comprises the following steps:
judging whether the outdoor environment temperature is smaller than the lower limit value of a preset temperature interval or not;
if so, controlling the ventilation mechanism to work so as to lead outdoor fresh air to be led into the air storage pool and lead the air storage pool to be led into the machine room return air through an air exhaust channel of the machine room;
when the temperature in the air storage tank is within the preset temperature range, the operation mode of the temperature regulator is controlled to be an air supply mode so as to regulate the temperature of the gas sent into the machine room through the air outlet.
2. The method according to claim 1, wherein a first air duct and a second air duct are arranged on the air storage pool, the first air duct is used for being communicated with the outside, the second air duct is used for being communicated with the air exhaust channel, a first air baffle is arranged in the first air duct, a second air baffle is arranged in the second air duct, and the ventilation mechanism comprises a first driving member connected with the first air baffle and a second driving member connected with the second air baffle;
the control of the ventilation mechanism includes:
and controlling the first driving component to work so as to enable the first wind deflector to be in an open state, and controlling the second driving component to work so as to enable the second wind deflector to be in an open state.
3. The method of claim 2, wherein a first temperature sensor is disposed within the first air duct for measuring the outdoor ambient temperature, and a second temperature sensor is disposed within the second air duct for measuring a machine room return air temperature;
before the step of judging whether the outdoor environment temperature is less than the lower limit value of the preset temperature interval, the method further comprises the following steps:
receiving the outdoor environment temperature measured by the first temperature sensor, and receiving the machine room return air temperature measured by the second temperature sensor;
the controlling the first driving member to operate so as to make the first wind deflector in an open state and the controlling the second driving member to operate so as to make the second wind deflector in an open state includes:
determining a first opening degree of the first wind shield and a second opening degree of the second wind shield according to the outdoor environment temperature, the machine room return air temperature and the preset temperature interval;
and controlling the first driving member to work according to the first opening degree so as to enable the first wind deflector to be in an open state, and controlling the second driving member to work according to the second opening degree so as to enable the second wind deflector to be in an open state.
4. A method according to any one of claims 1 to 3, wherein a third temperature sensor is provided within the reservoir; when the temperature in the retaining pond is in when presetting the temperature interval, control temperature regulator's operational mode is air supply mode, include:
receiving a third temperature measured by the third temperature sensor;
judging whether the third temperature is within the preset temperature interval or not;
and if so, controlling the operation mode of the temperature regulator to be an air supply mode.
5. The method of claim 3, wherein the step of determining whether the outdoor environment temperature is lower than the lower limit value of the preset temperature interval further comprises:
if not, judging whether the outdoor environment temperature is greater than the upper limit value of the preset temperature interval or not;
if yes, judging whether the outdoor environment temperature is lower than the machine room return air temperature;
if so, controlling the ventilation mechanism to work so that the outdoor fresh air is introduced into the air storage pool, and controlling the operation mode of the temperature regulator to be a refrigeration mode.
6. The method of claim 5, wherein the step of controlling the operation mode of the thermostat to the cooling mode is followed by the step of:
generating a first difference value between the outdoor environment temperature and an upper limit value of the preset temperature interval;
and determining the refrigeration parameter of the temperature regulator according to the first difference.
7. The method of claim 5, wherein the step of determining whether the outdoor ambient temperature is less than the machine room return air temperature is followed by:
if not, controlling the ventilation mechanism to work so that the air storage pool is led into the machine room for returning air, and controlling the operation mode of the temperature regulator to be a refrigeration mode.
8. The method according to claim 5, wherein the step of determining whether the outdoor environment temperature is greater than the upper limit value of the preset temperature interval further comprises:
if not, controlling the ventilation mechanism to work so as to lead the outdoor fresh air into the air storage pool and control the operation mode of the temperature regulator to be an air supply mode.
9. A temperature regulation energy-saving system is characterized by comprising an air storage pool and a temperature regulator, wherein the temperature regulator is provided with an air inlet and an air outlet, the air inlet is communicated with the air storage pool, the air storage pool is communicated with the outside, the air outlet is communicated with a machine room, and the air storage pool is provided with a ventilation mechanism;
the temperature regulator is used for judging whether the outdoor environment temperature is less than or equal to the lower limit value of a preset temperature interval or not; if so, controlling the ventilation mechanism to work so as to lead outdoor fresh air to be led into the air storage pool and lead the air storage pool to be led into the machine room return air through an air exhaust channel of the machine room; and when the temperature in the air storage pool is within the preset temperature interval, controlling the operation mode of the temperature regulator to be an air supply mode so as to regulate the temperature of the gas entering the machine room.
10. The system according to claim 9, wherein a first air duct and a second air duct are arranged on the air storage pool, the first air duct is used for being communicated with the outside, the second air duct is used for being communicated with the air exhaust channel, a first air baffle is arranged in the first air duct, a second air baffle is arranged in the second air duct, and the ventilation mechanism comprises a first driving member connected with the first air baffle and a second driving member connected with the second air baffle;
the temperature regulator is also used for controlling the first driving component to work so as to enable the first wind shield to be in an open state, and controlling the second driving component to work so as to enable the second wind shield to be in an open state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211548435.0A CN115802715A (en) | 2022-12-05 | 2022-12-05 | Temperature regulation energy-saving method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211548435.0A CN115802715A (en) | 2022-12-05 | 2022-12-05 | Temperature regulation energy-saving method and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116321977A (en) * | 2023-03-28 | 2023-06-23 | 湖南友通科技集团有限公司 | Energy-saving temperature control device for air conditioner of base station machine room |
-
2022
- 2022-12-05 CN CN202211548435.0A patent/CN115802715A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116321977A (en) * | 2023-03-28 | 2023-06-23 | 湖南友通科技集团有限公司 | Energy-saving temperature control device for air conditioner of base station machine room |
| CN116321977B (en) * | 2023-03-28 | 2023-12-19 | 湖南友通科技集团有限公司 | Energy-saving temperature control device for air conditioner of base station machine room |
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