CN108879435B - Temperature control type power distribution cabinet - Google Patents
Temperature control type power distribution cabinet Download PDFInfo
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- CN108879435B CN108879435B CN201810849842.2A CN201810849842A CN108879435B CN 108879435 B CN108879435 B CN 108879435B CN 201810849842 A CN201810849842 A CN 201810849842A CN 108879435 B CN108879435 B CN 108879435B
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- cabinet body
- temperature
- module
- partition plate
- rod
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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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- 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
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
- H02B1/32—Mounting of devices therein
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to the field of intelligent management of power distribution cabinets, and provides a temperature-controlled power distribution cabinet in order to solve the problem that the heat dissipation of a vent cannot meet the heat dissipation requirement due to higher temperature in a cabinet body in high-temperature weather, wherein a transverse fixed rod is arranged in the vent, a partition plate is also arranged in the vent, the middle part of the partition plate is hinged on the fixed rod, the lower end of the partition plate extends out of the vent and is positioned outside the cabinet body, the upper end of the partition plate extends into the cabinet body, a telescopic rod is arranged on the inner wall of the cabinet body, and the telescopic rod can; the cabinet body inner wall still installs the control by temperature change subsystem, and the control by temperature change subsystem includes temperature detection module, processing module, control module and refrigeration module, and temperature detection module detects the temperature of the internal portion of cabinet, and processing module carries out the comparison with the temperature threshold value that prestores with the actual temperature that detects, if actual temperature is greater than the temperature threshold value, then control module control refrigeration module starts the refrigeration module, and control module still controls the telescopic link extension.
Description
Technical Field
The invention relates to the field of intelligent management of power distribution cabinets, in particular to a temperature control type power distribution cabinet.
Background
The distribution cabinet is a final-stage device of a distribution system. The power distribution cabinet is a general name of a motor control center. The distribution cabinet is used in the occasion with dispersed load and less loop, and distributes the electric energy of a certain circuit of the upper-level distribution equipment to the nearby load, and the low-voltage distribution device is formed by assembling the switch equipment, the measuring instrument, the protective electrical equipment and the auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electric wiring requirement.
The power distribution cabinet mainly comprises two parts, namely a complete set of parts, namely a power distribution cabinet body and related accessories thereof, and two parts, namely related accessories of electrical elements together, namely an air switch and other required accessories. In use, in order to ensure the normal use of the electric elements, the temperature inside the cabinet body is generally required to be regulated and controlled, because the high temperature is easy to cause the insulation aging of coils and leads of the electric appliance to break down and burn out; the contact resistance of the electrical appliance contact is increased due to overhigh temperature, the contact resistance is increased and the heating is aggravated, and the vicious circle finally causes the contact to be burnt out; meanwhile, the stability of the protection performance of the electric appliance, the reliability of the action and the accuracy of the measurement can be influenced by overhigh temperature. Therefore, the cabinet body with the ventilation openings arranged on two sides is usually selected for the power distribution cabinet so as to form air convection heat dissipation. However, most of power distribution cabinets are exposed to the outside, and in high-temperature weather, due to direct sunlight, reflection of heat of cement ground and heat generated by equipment in the cabinets, the temperature in the cabinets sometimes exceeds 60 ℃, and at the moment, the heat dissipation requirement cannot be met far by means of the ventilation openings.
Disclosure of Invention
The invention aims to provide a temperature-controlled power distribution cabinet to solve the problem that heat dissipation of a ventilation opening cannot meet heat dissipation requirements in high-temperature weather due to high temperature in a cabinet body.
The basic scheme provided by the invention is as follows: the temperature control type power distribution cabinet is characterized in that a transverse fixed rod is arranged in a vent, a partition plate is further arranged in the vent, the middle of the partition plate is hinged to the fixed rod, the lower end of the partition plate extends out of the vent and is positioned outside the cabinet body, the upper end of the partition plate extends into the cabinet body, a telescopic rod is arranged on the inner wall of the cabinet body, and the telescopic rod can push the upper end of the partition plate to; the cabinet body inner wall still installs the control by temperature change subsystem, and the control by temperature change subsystem includes temperature detection module, processing module, control module and refrigeration module, and temperature detection module detects the temperature of the internal portion of cabinet, and processing module carries out the comparison with the temperature threshold value that prestores with the actual temperature that detects, if actual temperature is greater than the temperature threshold value, then control module control refrigeration module starts the refrigeration module, and control module still controls the telescopic link extension.
The working principle of the basic scheme is as follows: the ventilation opening arranged on the cabinet body is used as a heat dissipation opening, when the power distribution cabinet is used, the electric elements can generate heat, the temperature in the cabinet body can rise, the hot air flows out of the cabinet body through the ventilation opening, and in the process, the heat carried by the hot air flows out of the cabinet body, so that the heat in the cabinet body is dissipated in time, and the temperature in the cabinet body is prevented from rising to influence the normal use of the electric elements;
in high-temperature weather, because the direct irradiation of sunlight, the reflection of cement ground heat and the heat generated by the electric elements in the cabinet lead the temperature in the cabinet body to be very high, at the moment, the heat dissipation mode through the air vents can not meet the heat dissipation requirement, therefore, the scheme is provided with the temperature control subsystem, the temperature in the cabinet body is very high in high-temperature weather and exceeds the temperature threshold value prestored by the processing module, the actual temperature detected by the temperature detection module is higher than the temperature threshold value at the moment, the control module is started under the control of the processing module, the refrigeration module is started by the control module to refrigerate the interior of the cabinet body, the temperature in the cabinet body can be reduced, the normal operation of the electric elements is ensured, and in the refrigeration process, the control module can also control the extension of the telescopic rod, the extended telescopic rod can drive the upper end of the partition plate to rise, the lower, at the moment, a sealed space is formed inside the cabinet body, so that the refrigerating effect of the refrigerating module on the inside of the cabinet body is guaranteed, and the normal use of the electric elements is further guaranteed.
The basic scheme has the beneficial effects that: compared with the existing power distribution cabinet, the scheme 1 is provided with the temperature control subsystem, so that the interior of the cabinet body is refrigerated by utilizing the refrigeration module in high-temperature weather, a heat dissipation mode of a vent is replaced, the phenomenon of temperature rise in the cabinet body is further avoided, and the normal use of electric elements in the cabinet body is ensured; 2. in view of the refrigerating process, if the vent is still in the opening state, the inside and the outside of the cabinet body are still in the communicating state at the moment, the outside hot air can enter into the refrigerated cabinet body, so that the refrigerating effect can be reduced, therefore, the partition plate is arranged in the vent, the partition plate is used for sealing the vent, the cabinet body is in the sealing state in the refrigerating process, and the refrigerating effect of the refrigerating module is also ensured.
The first preferred scheme is as follows: preferably as basic scheme, the temperature control subsystem still includes the display module, and the display module sets up in the cabinet body outside, display module and temperature detection module communication connection. Has the advantages that: after the display module is in communication connection with the temperature detection module, the actual temperature detected by the temperature detection module can be displayed through the display module, and the manager can know the temperature inside the cabinet body conveniently.
The preferred scheme II is as follows: as the optimization of basic scheme, the cabinet is internally provided with a fan, and the control switch of the fan can be closed after the upper end of the partition plate is moved upwards. Has the advantages that: after the partition plate is moved upwards, the refrigeration module starts to refrigerate, the control switch of the fan is closed, the fan is started, and in the refrigeration process, the starting of the fan can accelerate the flow of air in the cabinet body, so that the temperature in the cabinet body can be quickly reduced in the refrigeration process.
The preferable scheme is three: preferably, the control switch is a push switch. Has the advantages that: the button switch which is commonly used is adopted as the control switch, and when the control switch needs to be replaced, the control switch is convenient to replace.
The preferable scheme is four: as the optimization of the excellent basic scheme, a solar cell panel which can supply power for the refrigeration module is installed on the outer wall of the cabinet body. Has the advantages that: the solar cell panel is adopted to supply power to the refrigeration module, so that the requirement of the refrigeration module on commercial power is reduced.
The preferable scheme is five: preferably, the display module is a liquid crystal display. Has the advantages that: and a liquid crystal display screen with low energy consumption is used as a display module, so that the consumption of electric energy is saved.
Drawings
FIG. 1 is a schematic longitudinal sectional view of a temperature-controlled power distribution cabinet according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the second drive assembly of FIG. 1 at the location of the first bevel gear and the second bevel gear;
FIG. 3 is a left side view of the movable bar of FIG. 1;
FIG. 4 is a left side view of the vent of FIG. 1;
FIG. 5 is a left side view of the second solar panel of the figure;
fig. 6 is a block diagram of a flow of a temperature control subsystem in an embodiment of a temperature controlled power distribution cabinet of the present invention.
Detailed Description
The following is further detailed by the specific embodiments:
reference numerals in the drawings of the specification include: the solar energy air conditioner comprises a cabinet body 10, an air vent 11, a fixing rod 110, a mounting port 13, a solar cell panel 15, a guide pipe 21, a cross rod 31, a first air bag 23, a first bevel gear 41, a second bevel gear 43, a connecting rod 42, a projection 451, a second air bag 453, a movable rod 47, a first cell panel 151, a second cell panel 153 and a telescopic rod 471.
The temperature-controlled power distribution cabinet shown in fig. 1 comprises a cabinet body 10, wherein the cabinet body 10 is provided with four ventilation openings 11; a temperature control subsystem is further mounted on the inner wall of the cabinet body 10, as shown in fig. 6, the temperature control subsystem includes a temperature detection module, a processing module, a control module and a refrigeration module, the temperature detection module detects the temperature inside the cabinet body, the processing module compares the detected actual temperature with a pre-stored temperature threshold, if the actual temperature is greater than the temperature threshold, the control module controls the refrigeration module to start the refrigeration module, and the control module further controls the extension of the telescopic rod; the power distribution cabinet in this embodiment has a bilateral symmetry structure, and therefore the left half of the cabinet body 10 is explained in this embodiment;
as shown in fig. 4, a transverse fixing rod 110 is arranged in the vent 11, a partition plate is also arranged in the vent 11, the middle part of the partition plate is hinged on the fixing rod 110, the lower end of the partition plate extends out of the vent 11 and is positioned outside the cabinet body 10, and the upper end of the partition plate extends into the cabinet body 10; the top of the side wall of the cabinet body 10 is provided with an outward-opened mounting opening 13, an extensible second solar cell panel 15 is hinged in the mounting opening 13, and the second solar cell panel 15 is electrically connected with the refrigeration module; the cabinet body 10 is also internally provided with a driving mechanism which is heated to drive the upper end of the partition plate to move downwards;
specifically, the driving mechanism comprises a first driving assembly, a second driving assembly and a first air bag 23 which can be elongated by heating, a horizontal guide pipe 21 is arranged at the top of the cabinet body 10, a guide groove is radially penetrated through the guide pipe 21, the first air bag 23 is positioned in the guide groove, and the upper surface of the first air bag 23 is connected with the inner wall of the guide groove;
the first driving assembly comprises a cross rod 31 and a vertical connecting rod, the upper end of the connecting rod is slidably connected with the top surface of the cabinet body 10, the lower end of the connecting rod is connected with the cross rod 31, the right end of the cross rod 31 is connected with the first air bag 23, the left end of the cross rod 31 is hinged with the right wall of the second solar cell panel 15, therefore, after the cross rod 31 moves leftwards, the second solar cell panel 15 swings outwards and extends, as shown in fig. 5, in order to achieve the extension of the second solar cell panel 15, the second solar cell panel 15 in the embodiment comprises a first cell panel 151 and a second cell panel 153, the lower end of the first cell panel 151 is slidably connected with the upper end of the second cell panel 153, and the cross rod 31 is hinged with the second cell panel; the cross bar 31 is provided with a rack section, as shown in fig. 2, the second driving assembly comprises a first bevel gear 41, a second bevel gear 43, a connecting rod 42 and a projection 451, the first bevel gear 41 is engaged with the rack section, the second bevel gear 43 is engaged with the first bevel gear 41, the right end of the connecting rod 42 is fixed on the circle center of the second bevel gear 43, the left end is rotatably connected to the inner wall of the cabinet 10, the projection 451 is connected to the lower side of the connecting rod 42, and the projection 451 can push the upper end of the partition plate to move downwards during the rotation of the connecting rod 42; a vertical movable rod 47 is arranged inside the cabinet body 10, the movable rod 47 is positioned on the inner side of the vent 11, the upper end of the partition plate is hinged on the movable rod 47, the lower end of the movable rod 47 is connected with the bottom surface of the cabinet body 10 through a telescopic rod, the upper end of the movable rod 47 is in contact with the bump 451, and the rotated bump 451 can push the movable rod 47 to move downwards; preferably, as shown in fig. 3, the second air bag 453 is connected to the lower end of the projection 451 in this embodiment, and the degree of expansion of the second air bag 453 is greater as the temperature is higher, and thus, the degree of opening of the vent 11 is greater as the distance by which the movable rod 47 moves downward is greater.
When the power distribution cabinet is used, the temperature of the inner wall of the cabinet body 10 can be raised to some extent by the heat emitted by the electric elements, at the moment, the air in the cabinet body 10 can flow out through the ventilation opening 11, and then the heat in the cabinet body 10 can flow out along with the air, so that the proper temperature in the cabinet body 10 is ensured, and the electric elements can normally run;
in sunny days, as the electric elements generate heat in the using process, the temperature inside the cabinet body 10 is higher than the temperature outside the cabinet body 10, the driving mechanism is heated, the first air bag 23 extends leftwards, the transverse rod 31 is pushed to move leftwards, the second solar cell panel 15 swings outwards and extends under the pushing of the transverse plate, and the mounting opening 13 is opened; meanwhile, after the cross bar 31 moves, the rack section on the cross bar 31 moves to drive the meshed first bevel gear 41 to rotate, the second bevel gear 43 rotates, the connecting rod 42 connected to the second bevel gear 43 also rotates, so that the bump 451 rotates to apply force to the movable rod 47, the movable rod 47 is pressed downwards, the upper end of the movable rod 47 moves downwards, one end of the partition board extending into the cabinet body 10 descends, the partition board gradually changes from an inclined state to a horizontal state, the vent 11 is opened, at this time, the mounting opening 13 and the vent 11 on the cabinet body 10 are both in a completely opened state, the total area of the heat dissipation channel of the cabinet body 10 is increased, and the heat dissipation effect is enhanced;
in high-temperature weather, the temperature in the cabinet body 10 is extremely high, the mounting port 13 and the ventilation opening 11 cannot meet the heat dissipation requirement of the cabinet body 10, at the moment, the processing module can judge that the temperature detected by the temperature detection module is larger than a temperature threshold value, the control module controls the refrigeration module to start, and the interior of the cabinet body 10 is refrigerated, so that the normal operation of the electrical elements in the high-temperature weather is ensured;
preferably, a display module is arranged outside the cabinet body 10, the display module is in communication connection with the temperature detection module, and displays the actual temperature detected by the temperature detection module through the display module, so that a manager can know the temperature inside the cabinet body conveniently, and the display module is a liquid crystal display screen in the embodiment; a fan is arranged in the cabinet body, and a control switch of the fan can be closed after the upper end of the partition plate moves upwards; in order to reduce the demand of the refrigeration module on the commercial power, a first solar cell panel which can supply power to the refrigeration module is installed on the outer wall of the cabinet body 10.
The foregoing is merely an example of the present invention, and common general knowledge in the field of known specific structures and characteristics is not described herein in any greater extent than that known in the art at the filing date or prior to the priority date of the application, so that those skilled in the art can now appreciate that all of the above-described techniques in this field and have the ability to apply routine experimentation before this date can be combined with one or more of the present teachings to complete and implement the present invention, and that certain typical known structures or known methods do not pose any impediments to the implementation of the present invention by those skilled in the art. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. Control by temperature change formula switch board, including the cabinet body, be provided with a plurality of vents on the cabinet body, its characterized in that: a transverse fixing rod is arranged in the vent, a partition plate is further arranged in the vent, the middle of the partition plate is hinged to the fixing rod, the lower end of the partition plate extends out of the vent and is positioned outside the cabinet body, the upper end of the partition plate extends into the cabinet body, a telescopic rod is arranged on the inner wall of the cabinet body, and the telescopic rod can push the upper end of the partition plate to move upwards after being extended; the temperature control subsystem is further mounted on the inner wall of the cabinet body and comprises a temperature detection module, a processing module, a control module and a refrigeration module, the temperature detection module detects the temperature inside the cabinet body, the processing module compares the detected actual temperature with a prestored temperature threshold value, if the actual temperature is greater than the temperature threshold value, the processing module starts the control module, the control module controls the refrigeration module to start, and the control module further controls the extension of the telescopic rod; an outward-opening mounting opening is formed in the top of the side wall of the cabinet body, an extensible solar cell panel is hinged in the mounting opening, the solar cell panel is electrically connected with the refrigeration module, and a driving mechanism is further arranged in the cabinet body and can drive the solar cell panel to extend;
the interior of the cabinet body is also provided with a driving mechanism, and the driving mechanism is heated to drive the upper end of the partition plate to move downwards; the driving mechanism comprises a first driving assembly, a second driving assembly and a first air bag which can be elongated by heating, a horizontal guide pipe is arranged at the top of the cabinet body, a guide groove is radially penetrated through the guide pipe, the first air bag is positioned in the guide groove, and the upper surface of the first air bag is connected with the inner wall of the guide groove; the first driving assembly comprises a cross rod and a vertical connecting rod, the upper end of the connecting rod is connected with the top surface of the cabinet body in a sliding mode, the lower end of the connecting rod is connected with the cross rod, the right end of the cross rod is connected with the first air bag, and the left end of the cross rod is hinged to the right wall of the solar cell panel;
the second driving assembly comprises a first bevel gear, a second bevel gear, a connecting rod and a lug, the first bevel gear is meshed with the rack section, the second bevel gear is meshed with the first bevel gear, the right end of the connecting rod is fixed on the center of the circle of the second bevel gear, the left end of the connecting rod is rotatably connected to the inner wall of the cabinet body, the lug is connected to the lower side of the connecting rod, and the lug can push the upper end of the partition plate to move downwards in the rotating process of the connecting rod; the internal portion of cabinet is provided with vertical movable rod, and the movable rod is located the inboard of vent, and the upper end of baffle articulates on the movable rod, and the telescopic link is connected with cabinet body bottom surface to the lower extreme of movable rod, and the upper end and the lug of movable rod contact, and the lug after the rotation can promote the movable rod and move down.
2. The temperature controlled power distribution cabinet of claim 1, wherein: the temperature control subsystem further comprises a display module, the display module is arranged outside the cabinet body, and the display module is in communication connection with the temperature detection module.
3. The temperature controlled power distribution cabinet of claim 1, wherein: the cabinet is characterized in that a fan is arranged inside the cabinet body, and the control switch of the fan can be closed after the upper end of the partition plate is moved upwards.
4. The temperature controlled power distribution cabinet of claim 3, wherein: the control switch is a button switch.
5. The temperature controlled power distribution cabinet of claim 1, wherein: the solar cell panel supplies power to the refrigeration module.
6. The temperature controlled power distribution cabinet of claim 2, wherein: the display module is a liquid crystal display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810849842.2A CN108879435B (en) | 2018-07-28 | 2018-07-28 | Temperature control type power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810849842.2A CN108879435B (en) | 2018-07-28 | 2018-07-28 | Temperature control type power distribution cabinet |
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| Publication Number | Publication Date |
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| CN108879435A CN108879435A (en) | 2018-11-23 |
| CN108879435B true CN108879435B (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810849842.2A Active CN108879435B (en) | 2018-07-28 | 2018-07-28 | Temperature control type power distribution cabinet |
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| CN (1) | CN108879435B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113691145A (en) * | 2021-08-04 | 2021-11-23 | 深圳索瑞德电子有限公司 | Off-grid and grid-connected energy storage inverter |
| CN115173289B (en) * | 2022-09-07 | 2022-12-16 | 山西万家寨水控水利机电科技服务有限公司 | Electromechanical integrated power distribution cabinet |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011252436A (en) * | 2010-06-02 | 2011-12-15 | Mitsubishi Electric Corp | Gas-insulated electrical apparatus |
| CN205944819U (en) * | 2016-08-18 | 2017-02-08 | 联测电力科技有限公司 | Automatic radiating box -type substation of intelligence |
| CN206250600U (en) * | 2016-11-27 | 2017-06-13 | 深圳能源售电有限公司 | A kind of Multifunctional electric cabinet |
| CN206386060U (en) * | 2016-12-27 | 2017-08-08 | 常州市武进区半导体照明应用技术研究院 | A kind of solar shutter |
| CN107275944A (en) * | 2017-06-23 | 2017-10-20 | 南昌市光辉电力科技有限公司 | A kind of intelligent interactive Multifunction advertising distribution box |
| CN107293965A (en) * | 2017-08-25 | 2017-10-24 | 吴佳锋 | A kind of distributed board outdoor |
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Address after: 563000 Workshop 11, Yingtian gonggu Industrial Park, Honghuagang District, Zunyi City, Guizhou Province Applicant after: ZUNYI CHANGZHENG POWER TRANSMISSION AND DISTRIBUTION EQUIPMENT Co.,Ltd. Address before: 563000 Longkeng Street Office, Southern New District, Honggrang District, Zunyi City, Guizhou Province, Zunnan Avenue, Poly Future City B2-95-1-7-1 Applicant before: ZUNYI CHANGZHENG POWER TRANSMISSION AND DISTRIBUTION EQUIPMENT Co.,Ltd. |
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