CN117060242A - Automatic rain-proof formula block terminal of warning - Google Patents
Automatic rain-proof formula block terminal of warning Download PDFInfo
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- CN117060242A CN117060242A CN202311047467.7A CN202311047467A CN117060242A CN 117060242 A CN117060242 A CN 117060242A CN 202311047467 A CN202311047467 A CN 202311047467A CN 117060242 A CN117060242 A CN 117060242A
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- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000017525 heat dissipation Effects 0.000 claims abstract description 19
- 238000004458 analytical method Methods 0.000 claims description 26
- 238000001514 detection method Methods 0.000 claims description 17
- 230000008859 change Effects 0.000 claims description 16
- 238000007405 data analysis Methods 0.000 claims description 15
- 230000033228 biological regulation Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 3
- 230000008844 regulatory mechanism Effects 0.000 claims description 3
- 230000036544 posture Effects 0.000 claims 10
- 230000005855 radiation Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract description 3
- 230000009545 invasion Effects 0.000 abstract 1
- 230000009467 reduction Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 7
- 230000006870 function Effects 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/46—Boxes; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/56—Cooling; Ventilation
- H02B1/565—Cooling; Ventilation for cabinets
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a rainproof type distribution box device with an automatic alarm function, and belongs to the technical field of distribution power supply. The device comprises a supporting structure, a heat dissipation adjusting structure, a ventilation filtering structure and a control executing mechanism; the heat radiation adjusting structure comprises a fan with a heat radiation function, an adjusting baffle plate capable of adjusting the opening degree, a shutter type rain baffle plate capable of adjusting the opening and closing angle in a meshed manner, a temperature sensor for detecting the temperature, and a ventilation filtering structure comprising a grid sealed at the outer side of the heat radiation fan; the control executing mechanism comprises a wind direction sensor for detecting the wind direction stability, a control adjusting unit for controlling the opening and closing angular speed of the shutter, and a temperature control unit for controlling the temperature; it has taken into account and has realized good heat dissipation and rain-proof effect, can be in the inside of the effectual rainwater invasion box of preventing of rainy day.
Description
Technical Field
The invention relates to the technical field of power distribution and power supply, in particular to a rainproof type distribution box with an automatic alarm function.
Background
The distribution box is used for carrying out controllable distribution operation on electric equipment by intensively assembling switching equipment, measuring instruments, protection electric appliances and auxiliary equipment in the box body according to the electric wiring requirements, and has the function of protecting short circuit, overload and electric leakage of a circuit. Because the box body is internally provided with electric elements such as a circuit breaker, a capacitor and the like, heat can be generated in the use process, if the heat cannot be timely dissipated, the electric elements can be damaged, and even the safety accident of fire is caused. At present, the commonly used distribution cabinet is designed with radiating holes, and has certain radiating function, but the rainproof effect is quite poor, and rainwater is easy to infiltrate into the cabinet body to cause premature failure of electric elements. Therefore, the heat dissipation and rainproof effect are both important technical problems that the power distribution cabinet for outdoor application cannot bypass.
Chinese patent publication No.: CN110474237a discloses a rain-proof power distribution. The waterproof effect is only limited under the condition that the cabinet door is closed, when the natural condition is bad, such as windy and rainy, equipment inside the distribution box breaks down, the equipment which breaks down needs to be maintained under the condition of opening the cabinet, at the moment, rainwater can enter the cabinet body, electric shock danger is caused to the equipment, and personal safety of operators is seriously endangered. However, this publication has the following technical drawbacks: firstly, when opening, rain-proof cover covers the space in block terminal upper portion, influences the operation. Secondly, when the internal equipment of the power distribution cabinet breaks down and needs to be maintained, an operator needs to wear rain gears, and maintenance is inconvenient. It follows that the prior art has the following problems:
because the rain-proof mode is simple in the traditional block terminal execution operation rain-proof, when outdoor needs rain-proof environment in facing, the rain-proof precision of traditional block terminal is not high in the rain-proof is fallen under the rain, and rain-proof inefficiency is not nimble to lead to the problem that the rain-proof efficiency of block terminal rain-proof system is low.
Disclosure of Invention
Therefore, the invention provides an automatic alarm rainproof type distribution box device, which is used for solving the problems that in the prior art, when a distribution box faces an outdoor environment requiring rainproof, the rainproof process cannot be accurately controlled and heat dissipation cannot be considered, so that the rainproof efficiency of the distribution box is low.
In order to achieve the above object, the present invention provides a rain-proof type distribution box device with automatic alarm, comprising:
the rain-proof adjusting structure comprises an adjusting baffle plate arranged on one side of a main door of the box body and a shutter type rain shield plate with upper and lower two mutually meshed edges and adjustable opening and closing angles;
the heat dissipation adjusting structure comprises a fan with a heat dissipation function, an adjusting baffle arranged at one side of a main door of the box body and used for adjusting opening and closing, and a temperature detection device which is arranged on a rain cover and used for detecting the temperature, wherein the upper side and the lower side of the adjusting baffle are mutually meshed and can be adjusted to open and close, and the temperature detection device is used for detecting the temperature and is provided with a shutter type rain shield with a heat dissipation angle for the temperature in the box body;
the ventilation filtering structure comprises a grille which is blocked outside the cooling fan;
the control executing mechanism comprises a wind direction sensor which is arranged on one side of the box body and is connected with the shutter and used for detecting the wind direction stability, a rainfall detection module which is arranged on one side of the box body and is connected with the shutter and the rain cover and used for detecting rainfall, a working posture adjusting module for controlling the opening and closing angular speed of the shutter and a temperature control module for controlling the power of the temperature fan; the sensor senses the change of wind direction, the working posture adjusting module adjusts the shutter type rain shield to be in a fully closed state, the shutter type rain shield is composed of a plurality of horizontally arranged rubber sheets, a certain gap is reserved between each two rubber sheets, and the shutter is adjusted through the working posture adjusting module, so that rainwater can be prevented from entering the distribution box from different directions;
further, the rainfall detection unit of the data analysis unit determines a plurality of working modes of the shutter type rain baffle in the rainproof distribution box according to a comparison result of the real-time rainfall of the current period and the preset rainfall, wherein the working modes comprise a first working mode that the real-time rainfall of the current period is smaller than or equal to the preset rainfall and a second working mode that the real-time rainfall of the current period is larger than the preset rainfall;
further, when the rainfall detection unit of the data analysis unit determines that the shutter type rain shield is selected in the first working mode, the shutter type rain shield is in a full-open state;
further, the wind direction analysis unit of the data analysis unit determines the working posture of the shutter type rain shield according to the comparison result of the wind direction stability index and the preset wind direction stability index in the second working mode;
further, if the wind direction stability index is smaller than or equal to a preset wind direction stability index, the wind direction analysis unit determines that the wind direction is stable, and the shutter type rain shield works in a first working posture; if the wind direction stability index is greater than a preset wind direction stability index, the sensor determines that the wind direction is unstable, and the shutter type rain shield works in a second working posture; when the first working posture is adopted, the closing proportion of the shutter type rain shield is determined according to the angle of raindrops; when the shutter type rain shield is in the second working posture, the shutter type rain shield is adjusted to be fully closed;
further, the data analysis module obtains a rainfall variation value in a preset time period under the first working posture, determines whether to adjust the first working posture according to a comparison result of the rainfall reduction and the preset rainfall reduction, adjusts the fan when the rainfall reduction is smaller than or equal to the preset rainfall reduction, and works in an intermittent mode in an adjustment mode;
further, the control execution module determines the angular speed of opening and closing the shutter type rain shield according to the difference value between the difference value of the rainfall reduction value and the difference value of the preset rainfall reduction value. The angular speed of opening and closing the shutter type rain shield is determined by the difference value between the difference value of the rainfall reduction value and the difference value of the preset rainfall reduction value, and the opening and closing angle of the shutter type rain shield is determined by the time from opening to closing of the shutter type rain shield;
further, in the second working mode, the power adjusting module of the temperature control unit compares the temperature rising amount with a preset temperature rising amount according to the temperature rising amount detected by the temperature sensor of the rainproof distribution box, the control circuit analyzing module judges whether the fan power needs to be adjusted according to the temperature signal, and when the temperature rising amount is larger than the preset temperature rising amount, the control circuit analyzing module judges that the fan power needs to be adjusted;
further, the automatic alarm rainproof type distribution box device as claimed in claim 8, wherein the greater the temperature rise, the greater the degree of adjustment of the fan power. Wherein the preset temperature rise is 10 ℃;
compared with the prior art, the invention has the beneficial effects that the wind direction sensor senses the change of wind direction, the rainfall sensor senses the rainfall, the working posture adjusting module adjusts the closing state of the shutter type rain shield according to the change of the wind direction under the condition that the rainfall sensor detects the real-time rainfall, the shutter type rain shield is composed of a plurality of elastic materials which are horizontally arranged and have good sealing performance, each shutter type rain shield is of a tooth structure which is meshed with each other, and the shutter type rain shield is adjusted by the working posture adjusting module, so that rainwater can be prevented from entering the distribution box from different directions.
Further, the control circuit analysis module judges whether the fan power needs to be adjusted according to the temperature signal. If the temperature exceeds the set threshold, the control circuit analysis module sends a signal to the power adjustment module to adjust the power of the fan. When the temperature falls within the safe range, the control circuit analysis module may reduce the fan power or stop the fan operation. The fan is used for sensing the ambient temperature, automatically adjusting the power of the fan according to the change of the ambient temperature so as to meet the heat dissipation requirement of the distribution box, and ensuring that the internal temperature is kept within a safe range, and avoiding the electrical equipment failure caused by overheating. The invention improves the safety of the distribution box and protects the normal operation of the distribution box. Meanwhile, the rainproof efficiency of the distribution box is improved by flexibly adjusting the working posture of the fan. In addition, whether need cool down the temperature of block terminal through preliminary judgement, improved the security of block terminal, temperature control unit perception ambient temperature, according to ambient temperature's change, automatically regulated fan's power to satisfy the heat dissipation demand of block terminal, and ensure that inside temperature keeps in safe range, avoid overheated electric equipment trouble that leads to, ensure that the block terminal operates in safe range.
Further, the invention determines the working posture of the shutter type rain shield in the rainproof distribution box according to the comparison result of the current daily rain quantity and the preset rain quantity by detecting the current daily rain quantity according to the rain quantity detection module, thereby improving the performance and the reliability of the rainproof distribution box and protecting the normal operation of equipment.
Further, the adjusting mode of the working posture of the fan is determined through the comparison result of the rainfall amount and the preset rainfall amount, the adjusting mode of the fan is flexibly determined according to the rainfall change, and the rainproof efficiency of the distribution box is improved.
Further, the angular speed of opening and closing the shutter type rain shield is determined by the control execution module according to the difference value of the rainfall reduction value.
Further, according to the temperature rise delta T detected by the temperature sensor of the rainproof type distribution box, the temperature rise delta T is compared with the preset temperature rise delta T0, a signal is transmitted to the control circuit analysis module, whether the temperature of the distribution box needs to be cooled is primarily judged, risks and harm caused by overlarge temperature rise in the operation of the distribution box are avoided, and the safety of the distribution box is improved under the condition that the normal distribution of the distribution box is ensured.
Further, the temperature control module of the fan in the invention judges the change of the temperature inside the distribution box, and the adjusting device adjusts the power of the fan by changing the rotating speed of the fan or changing the power supply voltage so as to meet the heat dissipation requirement and ensure that the temperature inside the distribution box is kept within a safe range.
Drawings
Fig. 1 is a schematic structural view of a rain-proof distribution box device with automatic alarm according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a rain-proof distribution box device with automatic alarm according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a regulator in a rain-proof distribution box device with automatic alarm according to an embodiment of the present invention;
FIG. 4 is a block diagram of a control mechanism in a rain-proof type distribution box device with automatic alarm according to an embodiment of the present invention;
in the figure, the device comprises a 1-box body, a 2-detection box door, a 3-rain cover, a 4-shutter type rain shield, a 5-regulator, a 6-small driving motor, a 7-driving gear, an 8-driven shaft, a 9-driven gear, a 10-fan, an 11-air outlet grille, a 12-rainfall sensor, a 13-temperature sensor and a 14-wind direction sensor.
Detailed Description
In order that the objects and advantages of the invention will become more apparent, the invention will be further described with reference to the following examples; it should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention.
It should be noted that, in the description of the present invention, terms such as "upper," "lower," "left," "right," "inner," "outer," and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the apparatus or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to the specific circumstances.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a rain-proof distribution box device with automatic alarm according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a rain-proof distribution box device with automatic alarm according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a regulator in a rain-proof distribution box device with automatic alarm according to an embodiment of the present invention; fig. 4 is a block diagram of a control mechanism in a rain-proof distribution box device with automatic alarm according to an embodiment of the present invention.
The embodiment of the invention provides a rainproof distribution box device with automatic alarm, which comprises:
the supporting mechanism comprises a box body 1, a detection box door 2 which is connected with the box body and is positioned at the front side of the box body and used for detecting a maintenance line, and a rain cover 3 which is arranged at the top end of the box body and used for preventing rain;
the rainproof regulation mechanism comprises a plurality of shutter type rain shields 4 arranged on the right side of the box body and used for preventing rainwater from entering the box body and a regulator 5 used for regulating the shutter type rain shields, wherein the long side of each shutter type rain shield is of a saw-tooth structure, the saw-tooth structures of two adjacent rain shields are meshed with each other, and the regulator comprises a small driving motor 6 arranged in the box body at one side of each shutter type rain shield and used for driving each shutter type rain shield; a driving gear 7 for transmitting the power of the driving device to the driven device to realize the motion of the mechanical device; the power of the driving shaft is converted into self power by rotating, and is transmitted to other driven shafts 8 needing power; a driven gear 9 for meshing with the driving gear.
A main heat radiation adjusting mechanism comprising a fan 10 with heat radiation function arranged in the rain cover, an air outlet grille 11 arranged at the bottom of the rain cover, and an air inlet grille (not shown in the figure) arranged at the bottom of the box body;
the detection mechanism comprises a rain sensor 12 arranged on the upper part of the rain cover and used for detecting real-time rain, a temperature sensor (not shown in the figure) arranged inside the distribution box and used for detecting real-time temperature, and a wind direction sensor 14 arranged on one side of the distribution box and used for detecting wind direction stability.
The control executing mechanism is respectively connected with the rainproof adjusting mechanism, the main radiating mechanism and the detecting mechanism and comprises a data acquisition unit for acquiring the real-time rainfall, the real-time temperature and the wind direction stability; the data analysis unit is used for analyzing the acquired real-time rainfall, real-time temperature and wind direction stability; the control adjusting unit is used for controlling the rainproof adjusting mechanism and the temperature control unit is used for controlling the heat dissipation of the main heat dissipation mechanism.
Specifically, the wind direction sensor senses the change of wind direction, the rainfall sensor senses rainfall, the working posture adjusting module adjusts the closing state of the shutter type rain shield according to the change of the wind direction under the condition that the rainfall sensor detects real-time rainfall, the shutter type rain shield is composed of a plurality of elastic materials which are horizontally arranged and have good sealing performance, each rain shield is of a tooth structure meshed with each other, and the shutter type rain shield is adjusted through the working posture adjusting module, so that rainwater can be prevented from entering the distribution box from different directions.
In the embodiment of the invention, the temperature control unit consists of a control circuit analysis module and a power adjustment module. The temperature sensor senses the ambient temperature and transmits a signal to the control circuit analysis module. The control circuit analysis module judges whether the fan power needs to be adjusted according to the temperature signal. If the temperature exceeds the set threshold, the control circuit analysis module sends a signal to the power adjustment module to adjust the power of the fan. When the temperature falls within the safe range, the control circuit analysis module may reduce the fan power or stop the fan operation. The fan is used for sensing the ambient temperature, automatically adjusting the power of the fan according to the change of the ambient temperature so as to meet the heat dissipation requirement of the distribution box, and ensuring that the internal temperature is kept within a safe range, and avoiding the electrical equipment failure caused by overheating.
Specifically, the rainfall detection unit of the data analysis unit determines the working mode of the shutter type rain baffle in the rainproof distribution box according to the comparison result of the real-time rainfall P of the current period and the preset rainfall P0;
if P is less than or equal to P0, the rainfall detection module determines a first working mode of the shutter type rain shield in the rainproof distribution box;
if P is more than P0, the rainfall detection module determines a second working mode of the shutter type rain shield in the rainproof distribution box;
the first working mode is that the shutter type rain shield is in a full-open state, and the second working mode is that the shutter type rain shield is in a partial-open state and simultaneously fans are started to radiate heat.
In the embodiment of the invention, the preset rainfall P0 has a value of 10mm, and a person skilled in the art can adjust the preset rainfall according to specific conditions.
Specifically, the rain amount detection module detects the real-time rain amount, and the working mode of the shutter type rain shield in the rain-proof type distribution box is determined according to the comparison result of the real-time rain amount and the preset rain amount, so that the performance and the reliability of the rain-proof type distribution box are improved, and the normal operation of equipment is protected.
Specifically, the wind direction analysis unit of the data analysis unit determines the working posture of the shutter type rain shield according to the comparison result of the wind direction stability index W and the preset wind direction stability index W0 in the second working mode;
if W is less than or equal to W0, the wind direction analysis unit determines that the wind direction is stable, and the shutter type rain shield works in a first working posture;
if W is more than W0, the wind direction analysis unit determines that the wind direction is unstable, and the shutter type rain shield works in a second working posture;
the first working posture determines the closing proportion of the shutter type rain shield according to the angle of the raindrops; and the second working posture is used for adjusting the shutter type rain shield to be fully closed.
In the embodiment of the invention, the preset wind direction stability index W0 has a value of 40.
Specifically, in the second operation mode, the wind direction analysis unit calculates the wind direction stability index W according to the following formula, and sets
Wherein, delta theta represents the angle difference of wind direction change, the value range of WI is 0 to 100, the larger the value is, the smaller the wind direction change is, the higher the stability is, when delta theta is 0, WI is 100, the wind direction is completely stable and unchanged; when Δθ is 180, WI is 0, which means that the wind direction is very changed and is completely unstable.
Specifically, the rain drop condition is monitored in real time through the sensor or other detection equipment, the opening proportion of the shutter type rain shield is adjusted according to the set threshold value, the control of the distribution box according to the real-time rainfall condition is realized, the precise control of the rain-proof process of the distribution box is improved, and the rain-proof efficiency of the distribution box is improved.
Specifically, the gesture determining unit of the data analyzing unit calculates a difference value Δw between the wind direction stability index W and a preset wind direction stability index W0 under a wind direction stability condition, and sets Δw=w0-W, so as to determine the closing proportion of the shutter type rain shield according to the comparison result of the difference value Δw and the preset difference value Δw0;
if DeltaW is less than or equal to DeltaW 0, the wind direction analysis unit sets the closing proportion of the shutter type rain shield as a first proportion;
and if DeltaW is larger than DeltaW 0, the wind direction analysis unit sets the closing proportion of the shutter type rain shield to be a second proportion.
In the embodiment of the invention, the first proportion is determined by a first proportion coefficient alpha 1, the second proportion is determined by a second proportion coefficient alpha 2, the first proportion is the product of the full open state of the shutter type rain shield and the first proportion coefficient alpha 1, and the second proportion is the product of the full open state of the shutter type rain shield and the second proportion coefficient alpha 1;
the first scaling factor α1 is the ratio of the degree corresponding to the raindrop angle to 120 °, and the second scaling factor α2 is the ratio of the degree corresponding to the raindrop angle to 90 °.
In the embodiment of the invention, the preset difference value is 10mm, the preset wind direction stability index is 60, and the preset difference value and the preset wind direction stability index can be adjusted according to specific conditions by a person skilled in the art.
Specifically, the difference value between the wind direction stability index and the preset wind direction stability index is calculated through the gesture determining unit of the data analyzing unit under the wind direction stability condition, so that the closing proportion of the shutter type rain shield is determined according to the comparison result of the difference value and the preset difference value, the performance and the reliability of the rainproof type power distribution box are improved, and the normal operation of equipment is protected.
Specifically, the data analysis module obtains the rainfall reduction in the preset duration under the first working posture, and determines whether to adjust the first working posture according to the comparison result of the rainfall reduction delta S and the preset rainfall reduction delta S0;
if delta S is less than or equal to delta S0, the data analysis module determines that the shutter type rain shield adjusts the first working posture in a first adjusting mode;
if delta S is larger than delta S0, the data analysis module determines that the shutter type rain shield adjusts the first working posture in a second adjusting mode;
wherein the first regulation mode is operated in an intermittent mode, and the second regulation mode is operated in an initial mode.
In the embodiment of the invention, the preset rainfall reduction is 8mm. The preset rainfall reduction value is a maximum bearing threshold value determined according to the current day rainfall while ensuring the normal operation of the distribution box. The person skilled in the art can adjust the preset rainfall according to the specific situation.
Specifically, the invention determines the adjusting mode of the working posture of the fan through the comparison result of the rainfall amount and the preset rainfall amount, flexibly determines the adjusting mode of the fan according to the rainfall change, and improves the rainproof efficiency of the distribution box.
Specifically, the control execution module determines the angular speed of opening and closing the shutter type rain shield in the intermittent working mode according to the comparison result of the rainfall reduction and the preset rainfall reduction in the first regulation mode, and sets the angular speed of opening and closing the shutter type rain shield in the intermittent working mode
Wherein delta I is the difference between the rainfall and the preset rainfall, theta is the opening and closing angle of the shutter type rain shield, and t is the time from opening to closing of the shutter type rain shield.
In the embodiment of the invention, the angular speed of opening and closing the shutter type rain shield is determined by the control execution module according to the difference value of the rainfall reduction value. When the rainfall drops faster, the angular speed that opens and shuts can be accelerated to in time get rid of ponding, when the rainfall drops slower, the weather shield can slowly close, reduces the energy consumption, and the angular speed that opens and shuts of automatically regulated tripe formula weather shield can avoid unnecessary energy waste.
Specifically, the power adjustment module of the temperature control unit determines the initial power of the fan according to the comparison result of the real-time temperature T and the preset temperature T0 in the second working mode;
if T is less than or equal to T0, the temperature control unit determines that the initial power of the fan is the first power;
if T > T0, the temperature control unit determines that the initial power of the fan is the second power.
In the embodiment of the invention, the preset temperature is 30 ℃, the first power is 30W, and the second power is 50W. The temperature preset, the first power and the second power of the fan can be adjusted according to specific conditions by a person skilled in the art.
Specifically, in the second working mode, the power adjusting module of the temperature control unit compares the temperature rise delta T with a preset temperature rise delta T0 according to the temperature rise delta T detected by the temperature sensor of the rainproof distribution box, and transmits a signal to the control circuit analyzing module, and the control circuit analyzing module judges whether the fan power needs to be adjusted according to the temperature signal;
if the delta T is less than or equal to delta T0, the control circuit analysis module judges that the fan power does not need to be regulated;
if DeltaT is larger than DeltaT 0, the control circuit analysis module judges that the fan power needs to be adjusted.
Wherein the preset temperature rise is 10 ℃, and the preset temperature rise can be adjusted according to specific conditions by a person skilled in the art.
According to the embodiment of the invention, the temperature rise detected by the temperature sensor of the rainproof type distribution box is compared with the preset temperature rise, a signal is transmitted to the control circuit analysis module, and whether the temperature of the distribution box needs to be cooled is primarily judged, so that risks and damages caused by overlarge temperature rise in the operation of the distribution box are avoided, and the safety of the distribution box is improved under the condition of ensuring the normal distribution of the distribution box.
Specifically, the temperature control module calculates the adjustment amount Δp of the fan power and sets the adjustment amount Δp of the fan power when determining that the fan power needs to be adjusted
ΔP＝K1×ΔT(3)
Wherein Δp is an adjustment amount of fan power, Δt is a temperature change detected by the temperature detection module, K1 is an adjustment coefficient having a value of 0.8, and a person skilled in the art can adjust the adjustment coefficient according to specific conditions.
Specifically, the temperature control module of the fan in the invention judges the change of the temperature inside the distribution box, and the adjusting device adjusts the power of the fan by changing the rotating speed of the fan or changing the power supply voltage so as to meet the heat dissipation requirement and ensure that the temperature inside the distribution box is kept within a safe range.
Thus far, the technical solution of the present invention has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present invention, and such modifications and substitutions will be within the scope of the present invention.
The foregoing description is only of the preferred embodiments of the invention and is not intended to limit the invention; various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An automatic alarm rainproof type distribution box device, which is characterized by comprising:
a support mechanism comprising a case;
the rainproof regulation mechanism comprises a plurality of shutter type rain baffles arranged on the right side of the box body and used for preventing rainwater from entering the box body and a regulator used for regulating each shutter type rain baffle;
the main heat dissipation adjusting mechanism comprises a fan with a heat dissipation function, an air outlet grille and an air inlet grille, wherein the fan is arranged inside the rain cover of the supporting mechanism, the air outlet grille is arranged at the bottom of the rain cover, and the air inlet grille is arranged at the bottom of the box body;
the detection mechanism comprises a rainfall sensor, a temperature sensor and a wind direction sensor, wherein the rainfall sensor is arranged at the upper part of the rainproof cover and used for detecting real-time rainfall, the temperature sensor is arranged inside the distribution box and used for detecting real-time temperature, and the wind direction sensor is arranged at one side of the distribution box and used for detecting wind direction stability;
the control executing mechanism is respectively connected with the rainproof adjusting mechanism, the main radiating mechanism and the detecting mechanism and comprises a data acquisition unit for acquiring the real-time rainfall, the real-time temperature and the wind direction stability; the data analysis unit is used for analyzing the acquired real-time rainfall, the real-time temperature and the wind direction stability; the control and regulation unit is used for controlling the rainproof regulation mechanism and the temperature control unit is used for controlling the heat dissipation of the main heat dissipation mechanism;
the data analysis unit determines the working mode of the shutter type rain shield of the rainproof distribution box according to the real-time rainfall detected by the rainfall sensor in the current period, determines the working posture of the shutter type rain shield according to the wind direction stability index corresponding to the wind direction stability detected by the wind direction sensor in the corresponding working mode, and determines the adjusting mode of the shutter type rain shield according to the rainfall descent quantity when the working posture is the first working posture.
2. The automatic alarm rainproof type distribution box device according to claim 1, wherein the rainfall detection unit of the data analysis unit determines a plurality of working modes of the shutter type rain shield in the rainproof type distribution box according to the comparison result of the real-time rainfall of the current period and the preset rainfall, wherein the plurality of working modes comprise a first working mode that the shutter type rain shield is in a full-open state or a second working mode that the shutter type rain shield is in a partial-open state, and simultaneously, fan heat dissipation is started.
3. The automatic alarm rainproof type distribution box device according to claim 2, wherein the wind direction analysis unit of the data analysis unit determines a plurality of working postures of the shutter type rain shield according to a comparison result of a wind direction stability index and a preset wind direction stability index in the second working mode, and the plurality of working postures comprise a first working posture for determining a closing proportion of the shutter type rain shield according to an angle of raindrops or a second working posture for adjusting full closing of the shutter type rain shield.
4. A self-alarming rain-proof type distribution box arrangement according to claim 3, wherein the wind direction analysis unit in the second operation mode calculates the wind direction stability index according to the following formula, sets up
Wherein W is the wind direction stability index, and delta theta represents the angle difference of wind direction change.
5. The automatic alarm rainproof type distribution box device according to claim 4, wherein the gesture determining unit of the data analyzing unit calculates a difference between the wind direction stability index and a preset wind direction stability index in the first working gesture, so as to determine the closing proportion of the shutter type rain shield according to a comparison result of the difference and the preset difference.
6. The automatic alarm rain-proof type power distribution box device according to claim 5, wherein the data analysis module obtains a rainfall amount in a preset time period under the first working posture, and determines that the shutter type rain shield adjusts the first working posture in a first adjustment mode under the condition that the rainfall amount is less than or equal to the preset rainfall amount, or determines that the shutter type rain shield adjusts the first working posture in a second adjustment mode under the condition that the rainfall amount is greater than the preset rainfall amount;
wherein the first regulation mode is operated in an intermittent mode, and the second regulation mode is operated in an initial mode.
7. The automatic alarm rainproof type distribution box device as claimed in claim 6, wherein said control execution module, in a first adjustment mode, determines the angular speed of opening and closing the shutter type rain shield in an intermittent operation mode according to the comparison result of the rainfall amount and a preset rainfall amount, and sets
Wherein delta I is the difference between the rainfall and the preset rainfall, theta is the opening and closing angle of the shutter type rain shield, and t is the time from opening to closing of the shutter type rain shield.
8. The automatic alarm rainproof type distribution box device according to claim 7, wherein the power adjustment module of the temperature control unit determines the initial power of the fan according to the comparison result of the real-time temperature and the preset temperature in the second working mode, and determines the initial power of the fan as the first power under the condition that the real-time temperature is less than or equal to the preset temperature, or determines the initial power of the fan as the second power under the condition that the real-time temperature is greater than the preset temperature.
9. The automatic alarm rainproof type power distribution box device according to claim 8, wherein the power adjustment module of the temperature control unit compares the temperature rise detected by the temperature sensor of the rainproof type power distribution box with a preset temperature rise according to the temperature rise detected by the temperature sensor of the rainproof type power distribution box in the second working mode, and transmits a signal to the control circuit analysis module, the control circuit analysis module judges whether the fan power needs to be adjusted according to the temperature signal, if the temperature rise is smaller than or equal to the preset temperature rise, the control circuit analysis module judges that the fan power does not need to be adjusted, and if the temperature rise is larger than the preset temperature rise, the control circuit analysis module judges that the fan power needs to be adjusted.
10. The automatic alarm rainproof type power distribution box device according to claim 9, wherein the supporting mechanism further comprises an overhaul handle which is connected with the box body and is positioned on the front side of the box body and used for detecting a maintenance line, and a rainproof cover which is arranged at the top end of the box body and used for preventing rain;
the long side of each shutter type rain shield is of a zigzag structure, the zigzag structures of two adjacent rain shields are meshed with each other, and the regulator comprises a small driving motor which is arranged in a box body at one side of each shutter type rain shield and used for driving each shutter type rain shield.
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| CN202311047467.7A CN117060242B (en) | 2023-08-18 | 2023-08-18 | A rainproof distribution box with automatic alarm |
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|---|---|
| CN117060242B (en) | 2024-05-28 |
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