CN110782632A - Electric room cooling alarm system and method - Google Patents

Electric room cooling alarm system and method Download PDF

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Publication number
CN110782632A
CN110782632A CN201911040253.0A CN201911040253A CN110782632A CN 110782632 A CN110782632 A CN 110782632A CN 201911040253 A CN201911040253 A CN 201911040253A CN 110782632 A CN110782632 A CN 110782632A
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CN
China
Prior art keywords
temperature
cooling
alarm
electric room
air
Prior art date
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Pending
Application number
CN201911040253.0A
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Chinese (zh)
Inventor
叶伟洪
香浩田
苏惠娴
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Original Assignee
Guangdong Power Grid Co Ltd
Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Power Grid Co Ltd, Dongguan Power Supply Bureau of Guangdong Power Grid Co Ltd filed Critical Guangdong Power Grid Co Ltd
Priority to CN201911040253.0A priority Critical patent/CN110782632A/en
Publication of CN110782632A publication Critical patent/CN110782632A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal operating condition and not elsewhere provided for
    • G08B21/18Status alarms
    • G08B21/182Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00Thermometers specially adapted for specific purposes
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02BBOARDS, SUBSTATIONS, OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/56Cooling; Ventilation
    • H02B1/565Cooling; Ventilation for cabinets

Abstract

The embodiment of the invention discloses an electric room cooling alarm system and a method, which comprises a temperature detection device for detecting temperature information inside and outside an electric room, a cooling device for cooling the electric room and an alarm device for alarming when the temperature of the electric room is overhigh, wherein both the cooling device and the alarm device are connected with the temperature detection device, the cooling device comprises an air draft cooling component adopting normal temperature air cooling and a refrigeration cooling component adopting cold air cooling, the air draft cooling component comprises an air suction fan and an air suction fan, the refrigeration cooling component comprises a refrigerator, an air outlet of the refrigerator is connected with an air inlet of the air suction fan, the temperature can be automatically reduced and the alarm can be given according to the temperature of the electric room, different cooling measures are adopted according to different conditions, so that the energy consumption is reduced, the cooling effect is improved, meanwhile, the alarm level is clear, and workers can distinguish the degree of the task, therefore, alarm information is processed in a targeted manner, problems are solved timely and effectively, and potential safety hazards of the electric room are eliminated.

Description

Electric room cooling alarm system and method
Technical Field
The invention relates to the technical field of power grids, in particular to a cooling alarm system and method for an electric room.
Background
The electric room is called a distribution substation, and the definition of the distribution substation is as follows: "the house only has high-voltage distribution device which can switch on and off and distribute electric energy, and the bus has no main transformer". The distribution substation differs from the transformation substation in that the distribution room (distribution substation) has no transformer, and all transformers are transformed. The power distribution room is a key part of a power supply system of a building, and a full-time electrician is arranged to run the power distribution room for 24 hours. Non-working personnel can not enter without the permission of a management manager and a department supervisor. The operator must be on duty and familiar with the condition, operation and safety precautions of the power distribution equipment. The operator on duty must pay close attention to the indication of the voltmeter, the ammeter and the power factor meter; and the air switch is strictly forbidden to run in an overload mode.
The temperature of the machine room is an important environmental parameter for guaranteeing the operation of the information system, and has strict limitation. But the actual situation often can not meet the standard requirement. The existing electric room temperature alarm system can only collect temperature data to alarm, alarm information is not clear enough, and workers cannot distinguish task severity and urgency when the alarm information appears frequently and can not automatically cool the electric room, so that the workers need to manually process the electric room, and the time spent on solving the problems is long.
Disclosure of Invention
The embodiment of the invention discloses an electric room cooling alarm system and method, and aims to solve the problems that in the prior art, due to the fact that alarm information is not clear enough, workers cannot distinguish the degree and urgency of tasks when a plurality of alarm information simultaneously appear, meanwhile, cooling treatment cannot be automatically carried out on an electric room, the workers need to carry out manual treatment, and time spent on solving the problems is long.
The embodiment of the invention provides an electric room cooling alarm system, which comprises a temperature detection device, a cooling device and an alarm device, wherein the temperature detection device is used for detecting temperature information inside and outside an electric room;
the heat sink is including the convulsions cooling module that adopts normal atmospheric temperature forced air cooling and the refrigeration cooling module that adopts the forced air cooling of air conditioning, convulsions cooling module includes the suction fan and takes the fan out, the air outlet of suction fan is located the electricity room and the air intake extends to outside the electricity room, take the air intake of fan out and be located the electricity room and the air outlet is located outside the electricity room, refrigeration cooling module includes the refrigerator, the air outlet of refrigerator with the air intake of suction fan links to each other.
As a preferred scheme of the present invention, an air inlet of the suction fan is connected to an air inlet duct, a normal temperature air inlet valve is disposed at a tail end of the air inlet duct, and a cold air inlet valve is disposed at an air outlet of the refrigerator.
As a preferable scheme of the invention, the temperature detection device comprises an indoor temperature detector and an outdoor temperature detector, a mounting plate is arranged on the inner wall of the electric room, the indoor temperature detector is fixed on the mounting plate, and the outdoor temperature detector is arranged at an air inlet of the suction fan.
As a preferred scheme of the present invention, an outlet air temperature detector is disposed at an outlet of the extraction blower, a circulation pipeline is disposed between an outlet of the extraction blower and an inlet of the refrigerator, and circulation valves are disposed at two ends of the circulation pipeline.
As a preferred scheme of the invention, the air inlet of the suction fan is connected with a dust and water filtering component, the dust and water filtering component comprises a pipe body, the two ends of the pipe body are respectively provided with an air inlet and an air outlet, the pipe body is internally provided with a composite multi-layer microporous hydrophobic membrane, and the middle of the pipe body is provided with a microporous ceramic layer and a microporous filter layer.
As a preferable scheme of the invention, the composite multilayer microporous hydrophobic membrane is formed by alternately arranging microporous hydrophobic membranes and high-density sponge, and the microporous filter layer is made of microporous plastics.
As a preferred scheme of the present invention, the alarm device gives an alarm according to the temperature information detected by the temperature detection device, the alarm device includes a power house alarm and a short message sending module, the power house alarm is a buzzer for reminding workers around the power house, and the short message sending module sends the alarm information to the back-stage management personnel by sending a short message.
The invention also provides an electric room cooling alarm method, which comprises the following steps:
s100, setting a temperature early warning value and a temperature warning value;
s200, detecting the indoor temperature of the electric room to obtain an indoor temperature value;
s300, cooling and alarming are carried out according to the indoor temperature value.
As a preferred scheme of the invention, the specific process of carrying out cooling alarm according to the indoor temperature value is as follows:
s301, when the indoor temperature is lower than the temperature early warning value, the temperature is not reduced and the alarm is given;
s302, when the indoor temperature is higher than the temperature early warning value but lower than the temperature alarm value, cooling the electric room, and simultaneously performing primary alarm, and after the indoor temperature value is lower than the temperature alarm value after being cooled, canceling primary alarm display;
and S303, when the indoor temperature is higher than the temperature alarm value, giving a high-level alarm.
As a preferred scheme of the invention, the specific process of cooling the electric room comprises the following steps:
s3021, setting an outdoor temperature threshold according to the indoor temperature;
s3022, detecting the outdoor temperature and obtaining an outdoor temperature value;
and S3023, comparing the outdoor temperature value with the outdoor temperature threshold, and if the outdoor temperature value is lower than the outdoor temperature threshold, cooling by using normal-temperature air cooling, and if the outdoor temperature is higher than the outdoor temperature threshold, cooling by using cold air cooling.
According to the technical scheme, the embodiment of the invention has the following advantages:
(1) the cooling device can automatically perform cooling treatment according to the temperature of an electric room, a temperature difference standard value between the outdoor temperature and the indoor temperature is set firstly, when the temperature difference value between the outdoor temperature and the indoor temperature is detected to be smaller than the temperature difference standard value, the air draft cooling assembly is adopted for cooling, normal-temperature air cooling is used for cooling, if the temperature difference value is higher than the temperature difference standard value, the refrigeration cooling assembly is adopted for cooling by cold air, different cooling measures are adopted according to different conditions, so that the energy consumption is reduced, and the cooling effect is improved;
(2) the invention can automatically alarm according to the temperature of the electric room, firstly sets a temperature early warning value and a temperature alarm value, cools the electric room after the temperature of the electric room reaches the temperature early warning value, simultaneously carries out primary alarm to remind workers to pay attention to the temperature of the electric room, if the cooling effect is good, the primary alarm is cancelled, the workers do not need to carry out treatment before, if the cooling effect is not good, the workers need to carry out treatment in time, if the temperature of the electric room continuously rises until the temperature alarm value is reached, advanced alarm is carried out, the workers need to carry out treatment before at once, alarm is carried out according to the temperature condition of the electric room, the alarm level is clear, the workers can distinguish the weight of tasks, thereby pertinently processing alarm information, timely and effectively solving the problem of overhigh temperature of the electric room and eliminating potential safety hazards of the electric room.
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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a dust and water filtering assembly according to an embodiment of the present invention;
fig. 3 is a system block diagram of an electric room cooling alarm method according to an embodiment of the present invention.
In the figure:
1-temperature detection means; 2-a cooling device; 3-an alarm device;
101-indoor temperature detector; 102-outdoor temperature detector; 103-a mounting plate;
201-an air draft cooling assembly; 202-a refrigeration cooling assembly; 203-suction into a fan; 204-a suction fan; 205-refrigerator; 206-an air inlet pipeline; 207-normal temperature air inlet valve; 208-a cold air inlet valve; 209-air outlet temperature detector; 210-a circulation conduit; 211-a recycle valve; 212-a dust and water filtering component; 213-a tube body; 214-an air inlet; 215-gas outlet; 216-composite multi-layer microporous hydrophobic membrane; 217-microporous ceramic layer; 218-a microporous filtration layer;
301-electric room alarm; 302-short message sending module.
Detailed Description
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the 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.
As shown in fig. 1 to 2, this embodiment provides an electric room cooling alarm system, including temperature detection device 1 for detecting temperature information inside and outside the electric room, a cooling device 2 for cooling the electric room and an alarm device 3 for alarming when the temperature of the electric room is too high, cooling device 2 and alarm device 3 are both connected with temperature detection device 1, alarm device 3 alarms according to the temperature information detected by temperature detection device 1, alarm device 3 includes electric room alarm 301 and short message sending module 302, electric room alarm 301 is a buzzer for reminding workers around the electric room, short message sending module 302 sends alarm information to background management personnel through the mode of sending short messages.
As shown in fig. 1, cooling device 2 includes convulsions cooling module 201 and refrigeration cooling module 202 in this embodiment, convulsions cooling module 201 includes suction fan 203 and takes out fan 204, the air outlet of suction fan 203 is located the electricity room and the air intake extends to outside the electricity room, the air intake of taking out fan 204 is located the electricity room and the air outlet is located outside the electricity room, convulsions cooling module 201 adopts normal atmospheric temperature wind to carry out the forced air cooling, draw external gas through suction fan 203, take out the gas of fan 204 in with the electricity room again and take away the heat when flowing through the equipment in the electricity room, realize the cooling of electricity room.
As shown in fig. 1, the cooling device 2 of the present embodiment further includes a refrigeration cooling assembly 202, the refrigeration cooling assembly 202 is additionally provided with a refrigerator 205 on the basis of the air draft cooling assembly 201, an air outlet of the refrigerator 205 is connected to an air inlet of the suction fan 203, the air inlet of the suction fan 203 is connected to an air inlet pipe 206, a normal temperature air inlet valve 207 is disposed at a tail end of the air inlet pipe 206, and a cold air inlet valve 208 is disposed at an air outlet of the refrigerator 205. When the refrigeration cooling assembly 202 works, the normal-temperature air inlet valve 207 is closed, the cold air inlet valve 208 is opened, the refrigerator 205 works to produce cold air, the cold air is pumped into the electric room by the suction fan 203, heat in the electric room is taken away by the cold air, and the cooling effect is enhanced.
As shown in fig. 1, the temperature detection device 1 in the present embodiment includes an indoor temperature detector 101 and an outdoor temperature detector 102, a mounting plate 103 is disposed on an inner wall of an electric room, the indoor temperature detector 101 is fixed on the mounting plate 103, and the outdoor temperature detector 102 is mounted at an air inlet of a suction fan 203. The indoor temperature detector 101 detects the indoor temperature of the electric room, and the outdoor temperature detector 102 detects the outdoor temperature.
Meanwhile, an outlet air temperature detector 209 is arranged at an outlet of the extraction fan 204, a circulation pipeline 210 is arranged between an outlet of the extraction fan 204 and an inlet of the refrigerator 205, circulation valves 211 are arranged at two ends of the circulation pipeline 210, the circulation valves 211 are three-way valves, and air flow can be directly discharged from the outlet of the extraction fan 204 without entering the circulation pipeline 210 under the action of the circulation valves 211, or can enter the circulation pipeline 210 from the outlet of the extraction fan 204 and then enter the refrigerator 205 from the circulation pipeline 210, so that recycling is realized.
In practical application, the outlet air temperature detector 209 can detect the temperature of the extracted air flow, generally speaking, the indoor temperature is higher than the outdoor temperature due to the operation of the electrical appliance inside the electrical room, when the air draft cooling assembly 201 is adopted, the temperature of the extracted air flow is higher than the outdoor temperature due to the heat on the equipment in the electrical room, and the air flow does not participate in the circulation at this time, when the refrigeration cooling assembly 202 is adopted, the air is cooled by the cold air flow, the temperature of the cold air flow is increased after the cold air flow carries the heat on the equipment in the electrical room, but the temperature is not necessarily higher than the outdoor temperature, at this time, the temperature of the air flow at the air outlet of the extraction fan 204 is detected, if the temperature is higher than the outdoor temperature, the cold air flow is directly discharged, otherwise, the air flow enters the refrigerator 205 through the circulation pipeline 210.
As shown in fig. 2, the air inlet of the suction fan 203 is connected to a dust-filtering and water-filtering assembly 212, the dust-filtering and water-filtering assembly 212 includes a pipe 213, both ends of the pipe 213 are respectively provided with an air inlet 214 and an air outlet 215, a composite multi-layer microporous hydrophobic membrane 216 is disposed inside the pipe 213, a microporous ceramic layer 217 and a microporous filter layer 218 are disposed in the middle of the pipe 213, the composite multi-layer microporous hydrophobic membrane 216 is formed by alternately arranging microporous hydrophobic membranes and high-density sponge, and the microporous filter layer 218 is made of microporous plastic.
When carrying out the forced air cooling, because in the external air current constantly gets into the electricity room, if carry too much dust or steam in the air current, can influence the performance of equipment in the electricity room, and through setting up dust filtration drainage subassembly 212, can filter the dust and the steam that get into in the air current to equipment receives the influence in avoiding the electricity room.
In this embodiment, heat sink 2 needs to operate according to the temperature information that temperature-detecting device 1 provided, set for the difference in temperature standard value between outdoor temperature and the indoor temperature earlier, generally speaking, the inside reason because the electrical apparatus moves of electricity room, indoor temperature is higher than outdoor temperature, so, when detecting the difference in temperature value between outdoor temperature and the indoor temperature and being less than the difference in temperature standard value, adopt convulsions cooling module 201 to cool down, utilize normal atmospheric temperature forced air cooling, if the difference in temperature value is higher than the difference in temperature standard value, it can lead to the cooling effect not obvious to adopt convulsions cooling module 201, so adopt refrigeration cooling module 202 this moment, utilize cold wind forced air cooling to cool down.
Therefore, in the embodiment, different cooling measures can be adopted due to different temperature conditions, so that the energy consumption is reduced, and the cooling effect is improved.
In this embodiment, alarm device 3 also needs the temperature information function that provides according to temperature-detecting device 1, in cooling alarm system's use, set for temperature early warning value and temperature alarm value earlier, reach the temperature early warning and cool down to the electricity room after to at the electricity room temperature, carry out elementary warning simultaneously, remind the staff to notice the electricity room temperature, if the cooling is effectual, then cancel elementary warning, the staff need not to come to handle, if the cooling effect is not good, then show that the staff needs in time to handle, if the electricity room temperature lasts to rise until reaching temperature alarm value, then carry out senior warning, the staff needs to come to handle immediately.
As shown in fig. 3, the present embodiment also provides an electric room cooling alarm method, including
Step one, setting a temperature early warning value and a temperature warning value;
detecting the indoor temperature of the electric room to obtain an indoor temperature value;
step three, cooling and alarming according to the indoor temperature value: when the indoor temperature is lower than the temperature early warning value, the temperature is not reduced for warning; when the indoor temperature is higher than the temperature early warning value but lower than the temperature alarm value, cooling the electric room, and simultaneously performing primary alarm, and canceling primary alarm display after the indoor temperature value is lower than the temperature alarm value after being cooled; and when the indoor temperature is higher than the temperature alarm value, high-level alarm is performed.
Wherein, the specific process of cooling down to the electricity room is: setting an outdoor temperature threshold according to the indoor temperature; detecting outdoor temperature to obtain an outdoor temperature value; and comparing the outdoor temperature value with the outdoor temperature threshold, if the outdoor temperature value is lower than the outdoor temperature threshold, cooling by adopting normal-temperature air cooling, and if the outdoor temperature is higher than the outdoor temperature threshold, cooling by adopting cold air cooling.
Through the method, the temperature early warning value and the temperature warning value are set firstly, the electric room is cooled after the temperature of the electric room reaches the temperature early warning value, primary warning is conducted simultaneously, workers are reminded of paying attention to the temperature of the electric room, if the cooling effect is good, primary warning is cancelled, the workers do not need to come before processing, if the cooling effect is not good, the workers need to be processed in time, if the temperature of the electric room continuously rises until the temperature warning value is reached, advanced warning is conducted, and the workers need to come before processing immediately.
According to the embodiment, the alarm is given according to the temperature condition of the electric room, the alarm level is clear, and the workers can distinguish the degree and urgency of tasks, so that the alarm information is processed in a targeted manner, the problem of overhigh temperature of the electric room is solved timely and effectively, and the potential safety hazard of the electric room is eliminated.
While the above detailed description of the cooling alarm system for an electric room provided by the present invention has been described, for those skilled in the art, the idea of the embodiment of the present invention may be changed in the specific implementation manner and the application scope, and in summary, the content of the present description should not be construed as limiting the present invention.

Claims (10)

1. The electric room cooling alarm system is characterized by comprising a temperature detection device (1) for detecting temperature information inside and outside an electric room, a cooling device (2) for cooling the electric room and an alarm device (3) for alarming when the temperature of the electric room is too high, wherein the cooling device (2) and the alarm device (3) are both connected with the temperature detection device (1);
cooling device (2) are including convulsions cooling module (201) that adopt normal atmospheric temperature forced air cooling to cool down and refrigeration cooling module (202) that adopt the forced air cooling to cool down, convulsions cooling module (201) are including suction fan (203) and take out fan (204), the air outlet of suction fan (203) is located the electricity room and the air intake extends to outside the electricity room, the air intake of taking out fan (204) is located the electricity room and the air outlet is located outside the electricity room, refrigeration cooling module (202) are including refrigerator (205), the air outlet of refrigerator (205) with the air intake of suction fan (203) links to each other.
2. The electric room cooling alarm system according to claim 1, wherein an air inlet of the suction fan (203) is connected with an air inlet pipe (206), a normal temperature air inlet valve (207) is arranged at the tail end of the air inlet pipe (206), and a cold air inlet valve (208) is arranged at an air outlet of the refrigerator (205).
3. The electric room cooling alarm system according to claim 1, wherein the temperature detection device (1) comprises an indoor temperature detector (101) and an outdoor temperature detector (102), a mounting plate (103) is arranged on the inner wall of the electric room, the indoor temperature detector (101) is fixed on the mounting plate (103), and the outdoor temperature detector (102) is arranged at an air inlet of the suction fan (203).
4. The electric room cooling alarm system according to claim 1, wherein an outlet air temperature detector (209) is disposed at an outlet of the extraction fan (204), a circulation pipeline (210) is disposed between the outlet of the extraction fan (204) and an inlet of the refrigerator (205), and circulation valves (211) are disposed at two ends of the circulation pipeline (210).
5. The electric room temperature reduction alarm system according to claim 1, wherein an air inlet of the suction fan (203) is connected with a dust filtration and water filtration component (212), the dust filtration and water filtration component (212) comprises a pipe body (213), an air inlet (214) and an air outlet (215) are respectively arranged at two ends of the pipe body (213), a composite multi-layer microporous hydrophobic membrane (216) is arranged inside the pipe body (213), and a microporous ceramic layer (217) and a microporous filter layer (218) are arranged in the middle of the pipe body (213).
6. The electric room cooling alarm system according to claim 5, wherein the composite multi-layer microporous hydrophobic membrane (216) is formed by alternately arranging microporous hydrophobic membranes and high-density sponge, and the microporous filter layer (218) is made of microporous plastic.
7. The electric room cooling alarm system according to claim 1, wherein the alarm device (3) gives an alarm according to the temperature information detected by the temperature detection device (1), the alarm device (3) comprises an electric room alarm (301) and a short message sending module (302), the electric room alarm (301) is a buzzer and is used for reminding workers around the electric room, and the short message sending module (302) sends alarm information to a background manager in a short message sending mode.
8. An electric room cooling alarm method is characterized by comprising the following steps:
s100, setting a temperature early warning value and a temperature warning value;
s200, detecting the indoor temperature of the electric room to obtain an indoor temperature value;
s300, cooling and alarming are carried out according to the indoor temperature value.
9. The electric room cooling alarm method according to claim 8, wherein the specific process of performing cooling alarm according to the indoor temperature value is as follows:
s301, when the indoor temperature is lower than the temperature early warning value, the temperature is not reduced and the alarm is given;
s302, when the indoor temperature is higher than the temperature early warning value but lower than the temperature alarm value, cooling the electric room, and simultaneously performing primary alarm, and after the indoor temperature value is lower than the temperature alarm value after being cooled, canceling primary alarm display;
and S303, when the indoor temperature is higher than the temperature alarm value, giving a high-level alarm.
10. The electric room cooling alarm method according to claim 9, wherein the specific process of cooling the electric room is as follows:
s3021, setting an outdoor temperature threshold according to the indoor temperature;
s3022, detecting the outdoor temperature and obtaining an outdoor temperature value;
and S3023, comparing the outdoor temperature value with the outdoor temperature threshold, and if the outdoor temperature value is lower than the outdoor temperature threshold, cooling by using normal-temperature air cooling, and if the outdoor temperature is higher than the outdoor temperature threshold, cooling by using cold air cooling.
CN201911040253.0A 2019-10-29 2019-10-29 Electric room cooling alarm system and method Pending CN110782632A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201911040253.0A CN110782632A (en) 2019-10-29 2019-10-29 Electric room cooling alarm system and method

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Publication Number Publication Date
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CN109346959A (en) * 2018-11-26 2019-02-15 十堰市神针工贸有限公司 A kind of automatic dissipating heat function power distribution cabinet

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