CN112886439A - Self-regulating heat dissipation outdoor power distribution cabinet and heat dissipation method thereof - Google Patents
Self-regulating heat dissipation outdoor power distribution cabinet and heat dissipation method thereof Download PDFInfo
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- CN112886439A CN112886439A CN202110224123.3A CN202110224123A CN112886439A CN 112886439 A CN112886439 A CN 112886439A CN 202110224123 A CN202110224123 A CN 202110224123A CN 112886439 A CN112886439 A CN 112886439A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 25
- 238000013461 design Methods 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims description 58
- 238000005192 partition Methods 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 15
- 230000009471 action Effects 0.000 claims description 14
- 229920006395 saturated elastomer Polymers 0.000 claims description 11
- 229920001971 elastomer Polymers 0.000 claims description 10
- 230000000903 blocking effect Effects 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 7
- 238000012546 transfer Methods 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
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- 239000012466 permeate Substances 0.000 description 1
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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
- H02B1/28—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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Abstract
The invention relates to the field of power distribution cabinets, and discloses a self-regulating heat dissipation outdoor power distribution cabinet which comprises an outer box body, wherein an inner box body is arranged inside the outer box body, an air inlet groove and an air outlet groove are respectively formed in the middle of the top end and the middle of the bottom end of the inner box body, an upper pipe body and a lower pipe body are respectively arranged on one side and the other side of the top of an inner cavity of the outer box body, and inner cavities of the upper pipe body and the lower pipe body are communicated with the outside of the outer box body. The cabinet body of the power distribution cabinet is an inner box body and an outer box body, and the structure design of the upper pipe body, the lower pipe body, the upper commutation channel mechanism and the lower commutation channel mechanism is matched, so that the air inlet and the air outlet are blocked when raining, external moist air is prevented from directly flowing in, and the problem that the power distribution cabinet fails due to the fact that electrical elements in the inner box body are affected with damp is effectively solved; meanwhile, rainwater flows through the heat exchange coil continuously to exchange heat, so that the stable working state of electrical elements in the inner box body is guaranteed.
Description
Technical Field
The invention relates to the field of power distribution cabinets, in particular to an outdoor power distribution cabinet capable of self-adjusting heat dissipation and a heat dissipation method thereof.
Background
The power distribution cabinet is the last level of distribution system and establishes, mainly used voltage monitoring, current overcurrent protection, circuit breaker, report to the police etc, the switch board is motor control center's general name, current power distribution cabinet has and locates outdoor and indoor, because power distribution cabinet is at the during operation, need dispel the heat to inside electrical components in real time, and still need consider the condition of rainwater infiltration, closed power distribution cabinet radiating effect is poor, some current outdoor power distribution cabinet control thermovent when raining closes, and open after the rain and close
However, the air humidity of high latitude reduces during the rain, condenses into the raindrop whereabouts to rain, and after rain, the low latitude air humidity that is located ground can increase, and the air humidity of power distribution cabinet department is higher in the short time promptly, and this makes some current power distribution cabinets open the back at the back thermovent after rain, and external humid air gets into the switch board, leads to the inside electrical components of power distribution cabinet to wet, causes the problem of power distribution cabinet trouble.
Disclosure of Invention
The invention provides a self-regulating heat dissipation outdoor power distribution cabinet and a heat dissipation method thereof, which have the advantage of being difficult to damp in rainy days, and solve the technical problems in the background art.
In order to achieve the above purpose, the invention provides the following technical scheme to realize: the utility model provides a self-interacting radiating outdoor power distribution cabinet, includes outer box, the inside of outer box is equipped with interior box, and the middle part of interior box top and bottom sets up air inlet duct and air outlet duct respectively, one side and the opposite side at outer box inner chamber top are equipped with host tube body and next body respectively, and the inner chamber of host tube body, next body all with the outside switch-on of outer box, the inlet port towards the air inlet duct is seted up to one side of host tube body, the venthole towards the air outlet duct is seted up to one side of next body, the top and the bottom of interior box are equipped with the locating baffle who keeps away from host tube body, next body one side respectively, the inside of interior box is equipped with heat transfer coil pipe, heat transfer coil pipe pastes three inner wall department of interior box all the time, and the top and the bottom of heat transfer pipe switch-on have host tube and next pipe respectively, and host tube and next, The inner cavity of the lower tube body is communicated, and an upper commutation channel mechanism and a lower commutation channel mechanism are respectively arranged in the upper tube body and the lower tube body.
Optionally, the upper commutation channel mechanism includes a first slider movably sleeved in the upper pipe body, the outer side of the first slider is attached to the inner wall of the upper commutation channel mechanism, a through hole is formed in the middle of the first slider, a first moisture absorption block is arranged in the through hole, a rubber expansion pipe is fixedly connected to the top of the first slider, the top of the rubber expansion pipe is fixedly connected to the bottom of the upper pipe body top cover, an air inlet located inside the rubber expansion pipe is formed in the middle of the upper pipe body top cover, the height value of the first slider is greater than that of the air inlet, and the first slider is normally located above the air inlet.
Optionally, the bottom of the inner cavity of the upper pipe body is provided with a sealing ring positioned on the outer side of the top end of the upper guide pipe, and the inner diameter of the sealing ring is larger than that of the through hole in the middle of the first sliding block.
Optionally, the lower commutation channel mechanism includes a second slider movably sleeved inside the lower tube body, the outer side of the second slider is attached to the inner wall of the lower tube body, a through hole is formed in the middle of the second slider, a second moisture absorption block is arranged in the through hole, a second tension spring is fixedly connected between the top of the second slider and the top of the inner cavity of the lower tube body, the top of the inner cavity of the lower tube body is fixedly connected with a positioning guide tube located outside the upper guide tube, openings are formed in the bottoms of two sides of the positioning guide tube, a positioning partition plate is fixedly connected to the bottom of the positioning guide tube, and the second slider is located above the air outlet in a normal state.
Optionally, the bottom of the positioning partition plate is fixedly connected with a sealing ring, and the inner diameter of the sealing ring is larger than that of the through hole in the middle of the second sliding block.
Optionally, be equipped with three spacing baffles of group between the inboard of outer box and the interior box outside, and the quantity of every spacing baffle of group is two, two spacing baffle splices into the rectangle framed panel that is located between outer box, the interior box just, the quantity of upper tube body, next body is four, and four upper tube bodies, the corresponding both sides that distribute at three spacing baffles of group of lower body.
Optionally, the top of outer box is the inclined plane design, and the top of last body is located one side on outer box top inclined plane, the top of outer box still is equipped with the ring baffle that is located the upper pipe body outside, and the inboard of ring baffle is equipped with the apron that is located directly over the upper pipe body, the bottom of outer box is equipped with the exhaust hole that is located next body department, and still is equipped with the waterproof radiator fan who is located exhaust hole department on the outer box.
Optionally, the heat dissipation method of the self-regulating heat dissipation outdoor power distribution cabinet is as follows:
s1, firstly, under a sunny condition, when the humidity of outside air is low, the gravity of the first sliding block and the first moisture absorption block is not enough to pull the first tension spring to move downwards, the first sliding block is positioned above the air inlet hole, meanwhile, under the action of the tension of the second tension spring, the second sliding block is positioned above the air outlet hole, and the positioning partition plate is in a state of blocking the second moisture absorption block;
s2, arranging cooling fans positioned at the air inlet groove and the air outlet groove at the top and the bottom of the inner box body to rotate, so that external air enters through the top of the upper pipe body and sequentially flows through the air inlet hole, the air inlet groove, the air outlet groove and the air outlet hole, is finally discharged out of the outer box body from the bottom of the lower pipe body, and directly dissipates heat of electrical elements in the inner box body through continuous flowing heat exchange of the external air in the inner box body;
s3, when the outside is in rainy weather, the rain water is converged into the upper pipe body through the inclined plane at the top of the outer box body and absorbed by the first moisture absorption block at the middle part of the first sliding block, so that the gravity of the first sliding block and the first moisture absorption block is increased, the tension of the first tension spring is overcome, the first sliding block moves downwards to block the air inlet, after the first moisture absorption block absorbs the saturated rainwater, the rainwater flows into the upper guide pipe at the bottom of the upper pipe body, and then flows through the heat exchange coil pipe and the lower guide pipe in sequence to enter the positioning guide pipe, and along with the accumulation of rainwater, the elasticity of the second tension spring is overcome, so that the second slide block moves downwards to block the air outlet, and after the second moisture absorption block absorbs the rainwater to be saturated, the rainwater flows to the lower part of the lower pipe body through the middle part of the second sliding block, electrical elements in the inner box body are radiated by continuous inflow of rainwater in the heat exchange coil pipe, and external moist air is prevented from directly flowing into the inner box body;
s4, after raining is finished, the first moisture absorption block and the second moisture absorption block absorb saturated rainwater, so that the first sliding block is still in a state of blocking an air inlet, the second sliding block is still in a state of blocking an air outlet, under the action of a waterproof cooling fan at the air outlet, external moist air still enters the heat exchange coil through the upper guide pipe and sequentially flows through the lower guide pipe, the positioning guide pipe, the second sliding block and the air outlet to be discharged, and therefore, heat exchange is carried out through the flowing of moist air in the heat exchange coil, and heat dissipation is carried out on electrical elements in the inner box body;
s5, after the humidity of the external air of the power distribution cabinet is reduced to a certain degree, the air continuously flowing through the first moisture absorption block and the second moisture absorption block takes away the moisture in the first moisture absorption block and the second moisture absorption block, under the action of the restoring force of the first tension spring and the second tension spring, the first moisture absorption block moves upwards to open the air inlet, the second moisture absorption block moves upwards to open the air outlet and is in contact with the positioning partition plate to block the lower conduit, and the air is restored to directly flow into the inner box body to dissipate heat.
The invention provides a self-regulating heat-dissipation outdoor power distribution cabinet and a heat dissipation method thereof, and the outdoor power distribution cabinet has the following beneficial effects:
1. according to the self-adjusting heat dissipation outdoor power distribution cabinet and the heat dissipation method thereof, the cabinet body of the power distribution cabinet is an inner box body and an outer box body, and the structure design of the upper pipe body, the lower pipe body, the upper converter channel mechanism and the lower converter channel mechanism is matched, so that when the outside does not rain, the outside air flow directly and continuously flows in the inner box body to dissipate heat, and the heat dissipation effect is kept in a high state; the air inlet hole and the air outlet hole are blocked when raining, so that external moist air is prevented from directly flowing in, and the problem that electrical elements in the inner box body are affected with damp to cause the failure of the power distribution cabinet is effectively avoided; simultaneously, utilize rainwater stream to continuously flow through in heat exchange coil, carry out the heat transfer, still can effectively dispel the heat in the internal box, ensured the interior electrical components steady operation's of internal box state, avoid when preventing external humid air directly to flow in, lead to unable effective heat dissipation and the problem of overheated trouble appears.
2. According to the self-adjusting heat dissipation outdoor power distribution cabinet and the heat dissipation method thereof, after raining is finished, external moist air still flows through the upper guide pipe and the lower guide pipe to exchange heat, and electrical elements in the inner box body are effectively dissipated, so that the problems that the moisture of low-altitude air on the ground is increased after raining, and the electrical elements in the distribution cabinet are affected with damp and have faults when external air flow is directly recovered after raining and is led into the distribution cabinet to dissipate heat directly are effectively solved; and after the humidity of the external air is reduced to a certain degree, after the external air continuously flows through the first moisture absorption block, most of moisture in the first moisture absorption block is taken away, under the action of restoring force of the first tension spring, the upper converter channel mechanism moves upwards to open the air inlet, the external air directly flows into the inner box body again through the air inlet, heat dissipation is carried out, and efficient heat dissipation of the power distribution cabinet is achieved by directly flowing the external air into the power distribution cabinet.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side sectional view taken at a-a of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic top cut-away view taken from b-b of FIG. 1 in accordance with the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 1;
FIG. 5 is an enlarged view of a portion of FIG. 1 at B according to the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 2 at C in accordance with the present invention;
FIG. 7 is a schematic view of the upper commutation channel configuration of the FIG. 4 configuration of the present invention;
fig. 8 is a schematic view of the lower commutating channel mechanism of fig. 5 in accordance with the present invention.
In the figure: 1. an outer case; 101. positioning a baffle plate; 102. an exhaust hole; 2. an inner box body; 201. an air inlet groove; 202. an air outlet groove; 3. a spacing clapboard; 4. a heat exchange coil; 401. an upper catheter; 402. a lower catheter; 5. an upper pipe body; 501. an air inlet; 6. a lower pipe body; 601. an air outlet; 7. an upper commutation channel mechanism; 701. a first slider; 702. a first absorbent mass; 703. a rubber extension tube; 704. a first tension spring; 8. a lower commutation channel mechanism; 801. a second slider; 802. a second absorbent mass; 803. a second tension spring; 804. positioning a catheter; 805. positioning the partition plate; 9. a ring baffle; 10. and (7) a cover plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-8, a self-regulating heat-dissipating outdoor power distribution cabinet comprises an outer box 1, an inner box 2 is disposed inside the outer box 1, an air inlet 201 and an air outlet 202 are respectively disposed at the top end and the middle portion of the bottom end of the inner box 2, an upper pipe 5 and a lower pipe 6 are respectively disposed at one side and the other side of the top of the inner cavity of the outer box 1, the inner cavities of the upper pipe 5 and the lower pipe 6 are respectively communicated with the outside of the outer box 1, an air inlet 501 facing the air inlet 201 is disposed at one side of the upper pipe 5, an air outlet 601 facing the air outlet 202 is disposed at one side of the lower pipe 6, positioning baffles 101 far away from the upper pipe 5 and one side of the lower pipe 6 are respectively disposed at the top and the bottom of the inner box 2, a heat exchange coil 4 is disposed inside the inner box 2, the heat exchange coil 4 is always attached to the three inner walls of the inner box 2, and the top end and, the upper conduit 401 and the lower conduit 402 are respectively communicated with the inner cavities of the upper pipe body 5 and the lower pipe body 6, the upper commutation channel mechanism 7 and the lower commutation channel mechanism 8 are respectively arranged inside the upper pipe body 5 and the lower pipe body 6, when the outside is not raining, the outside air flow enters from the top of the upper pipe body 5, sequentially flows through the air inlet 501, the positioning baffle 101, the air outlet groove 202 and the air outlet 601 and is discharged from the bottom of the lower pipe body 6, so that the heat dissipation effect is kept in a high state by continuously communicating the outside air flow directly inside the inner box body 2, and when raining, rainwater flows in from the top of the upper pipe body 5, sequentially flows through the upper conduit 401, the heat exchange coil 4 and the lower conduit 402 and is discharged from the bottom of the lower pipe body 6, and simultaneously blocks the air inlet 501 and the air outlet 601 to prevent the outside humid air from directly flowing in, thereby effectively preventing the electrical components inside the inner box body 2, cause the problem of power distribution cabinet trouble to, utilize rainwater to continuously flow through in heat exchange coil 4, carry out the heat transfer, still can effectively dispel the heat in the internal box 2, ensured the state of the interior electrical components steady operation of internal box 2, avoid when preventing external humid air directly to flow in, lead to unable effective heat dissipation and the problem of overheated trouble appears.
Wherein, the upper commutation channel mechanism 7 comprises a first slide block 701 movably sleeved in the upper pipe body 5, the outer side of the first slide block 701 is attached to the inner wall of the upper commutation channel mechanism 7, the middle part of the first slide block 701 is provided with a through hole, a first moisture absorption block 702 is arranged in the through hole, the top part of the first slide block 701 is fixedly connected with a rubber extension pipe 703, the top part of the rubber extension pipe 703 is fixedly connected with the bottom part of the top cover of the upper pipe body 5, the middle part of the top cover of the upper pipe body 5 is provided with an air inlet positioned at the inner side of the rubber extension pipe 703, the height value of the first slide block 701 is larger than that of the air inlet hole 501, and the first slide block 701 is normally positioned above the air inlet hole 501, when the outside of the power distribution cabinet is not rained, the air inlet hole 501 is in an open state, the top and the bottom of the inner, external air directly flows into the inner box body 2 through the air inlet holes 501 for heat dissipation, when the outside rains, rainwater falls through the air inlet holes 501 and is absorbed by the first moisture absorption block 702 until the first moisture absorption block 702 is in a saturated absorption state, so that the first sliding block 701 and the first moisture absorption block 702 integrally move downwards to block the air inlet holes 501, the rainwater and humid air are prevented from flowing into the inner box body 2, the subsequent rainwater continuously flows through the upper conduit 401 and the heat exchange coil 4, the rainwater continuously flows into the heat exchange coil 4 for heat exchange, the electrical components in the inner box body 2 are effectively dissipated, after the raining is finished, the external humid air still flows through the upper conduit 401 and the lower conduit 402 for heat exchange, the electrical components in the inner box body 2 are dissipated, until the humidity of the external air is reduced to a certain degree, and after the external air continuously flows through the first moisture absorption block 702, most of moisture in the first moisture absorption block 702 is taken away, and under the action of the restoring force of the first tension spring 704, the upper commutation channel mechanism 7 moves upwards to open the air inlet hole 501, so that the external air flow directly flows into the inner box body 2 again through the air inlet hole 501 to dissipate heat, and the heat dissipation effect is improved.
Wherein, the bottom of the 5 inner chambers of upper tube body is equipped with the sealing washer that is located the upper pipe 401 top outside, and the internal diameter of this sealing washer is greater than the internal diameter of first slider 701 middle part through-hole, utilizes the characteristic that the sealing washer improves sealed effect, ensures that upper commutation channel mechanism 7 moves down and contact with the sealing washer after, in rainwater inflow upper pipe 401, can not permeate in the inlet port 501, in the box 2 in the infiltration again, lead to the interior electrical components of box 2 problem that wets.
Wherein, the lower commutation channel mechanism 8 comprises a second slide block 801 movably sleeved in the lower pipe body 6, the outer side of the second slide block 801 is attached to the inner wall of the lower pipe body 6, the middle part of the second slide block 801 is provided with a through hole, a second moisture absorption block 802 is arranged in the through hole, a second tension spring 803 is fixedly connected between the top of the second slide block 801 and the top of the inner cavity of the lower pipe body 6, the top of the inner cavity of the lower pipe body 6 is fixedly connected with a positioning conduit 804 positioned at the outer side of the upper conduit 401, the bottoms of the two sides of the positioning conduit 804 are both provided with through holes, the bottom of the positioning conduit 804 is fixedly connected with a positioning partition plate 805, the second slide block 801 is normally positioned above the air outlet 601, when no rain falls outside, the second slide block 801 is positioned above the air outlet 601 under the tensile force of the second tension spring 803, when heat is dissipated, the hot air in the inner box body 2 flows, when raining, rainwater flows through the positioning conduit 804 from the lower conduit 402, the second slider 801 moves down to block the air outlet 601 along with the accumulation of rainwater, and after the second moisture absorption block 802 absorbs the rainwater to be saturated, the rainwater flows to the lower pipe body 6 through the middle part of the second slider 801, so as to continuously discharge the rainwater flowing down the heat exchange coil 4, so as to utilize the continuous downward flow of the rainwater in the heat exchange coil 4 to perform heat exchange, thereby effectively dissipating heat of electrical components in the inner box body 2, and after the rain stops, the humidity of the external air is reduced to a certain degree, so as not to damp the electrical components, most of the rainwater absorbed by the second moisture absorption block 802 is taken away during heat dissipation by airflow, so that the second tension spring 803 pulls the second slider 801 to move up to reopen the air outlet 601, so that the external air directly flows through the inner box body 2, thereby dissipating heat more efficiently, and the positioning partition plate 805 is attached to the second slider 801, the lower duct 402 is blocked to ensure a stable inflow and outflow of air in the inner casing 2.
The bottom of the positioning partition plate 805 is fixedly connected with a sealing ring, and the inner diameter of the sealing ring is larger than that of the through hole in the middle of the second sliding block 801, so that the contact sealing effect of the positioning partition plate 805 and the second sliding block 801 is better.
Wherein, be equipped with three spacing baffles 3 of group between the inboard of outer box 1 and the interior box 2 outside, and the quantity of every spacing baffle 3 of group is two, two spacing baffles 3 splice into just to be located outer box 1, the rectangle framed panel between the interior box 2, upper tube body 5, the quantity of next body 6 is four, and four upper tube bodies 5, next body 6 corresponds the both sides of distributing at three spacing baffles 3 of group, through the setting of three spacing baffles 3 of group, cooperate four upper tube bodies 5, next body 6, thereby provide a plurality of exhaust passage that admits air, so that the radiating effect is improved.
Wherein, the top of outer box 1 is the inclined plane design, and the top of upper pipe body 5 is located one side on outer box 1 top inclined plane, and the top of outer box 1 still is equipped with the ring baffle 9 that is located the upper pipe body 5 outside, and the inboard of ring baffle 9 is equipped with the apron 10 that is located directly over upper pipe body 5, and the bottom of outer box 1 is equipped with the exhaust hole 102 that is located lower pipe body 6 department, and still is equipped with the waterproof radiator fan who is located exhaust hole 102 department on the outer box 1.
The heat dissipation method of the self-regulating heat dissipation outdoor power distribution cabinet comprises the following steps:
s1, firstly, under a sunny condition, when the humidity of outside air is low, the gravity of the first sliding block 701 and the first moisture absorption block 702 is not enough to pull the first tension spring 704 to move downwards, the first sliding block 701 is positioned above the air inlet hole 501, meanwhile, under the action of the tension of the second tension spring 803, the second sliding block 801 is positioned above the air outlet hole 601, and the positioning partition plate 805 is in a state of blocking the second moisture absorption block 802;
s2, the top and the bottom of the inner box body 2 are provided with cooling fans positioned at the air inlet groove 201 and the air outlet groove 202 to rotate, so that outside air enters through the top of the upper pipe body 5, sequentially flows through the air inlet hole 501, the air inlet groove 201, the air outlet groove 202 and the air outlet hole 601, is finally discharged out of the outer box body 1 from the bottom of the lower pipe body 6, and directly cools electrical elements in the inner box body 2 through continuous flowing heat exchange of the outside air in the inner box body 2;
s3, when the outside is in rainy weather, rainwater flows into the upper pipe body 5 through the inclined surface at the top of the outer box body 1, and is absorbed by the first moisture absorption block 702 at the middle part of the first sliding block 701, so that the gravity of the first sliding block 701 and the first moisture absorption block 702 is increased, the first sliding block 701 overcomes the pulling force of the first tension spring 704, moves downwards to block the air inlet 501, after the first moisture absorption block 702 absorbs the rainwater to be saturated, the rainwater flows into the upper conduit 401 at the bottom of the upper pipe body 5 and sequentially flows through the heat exchange coil 4 and the lower conduit 402 to enter the positioning conduit 804, along with the accumulation of the rainwater, overcomes the elasticity of the second tension spring 803, so that the second sliding block 801 moves downwards to block the air outlet 601, after the second moisture absorption block 802 absorbs the rainwater to be saturated, the rainwater flows to the lower part of the lower pipe body 6 through the middle part of the second sliding block 801, and continuous flow of the rainwater in the heat exchange coil 4 to dissipate, and prevents external moist air from directly flowing into the inner box body 2;
s4, after raining, the first moisture absorption block 702 and the second moisture absorption block 802 absorb saturated rainwater, so that the first slider 701 is still in a state of blocking the air inlet 501, the second slider 801 is still in a state of blocking the air outlet 601, under the action of the waterproof heat dissipation fan at the air outlet 102, external moist air still enters the heat exchange coil 4 through the upper conduit 401 and flows through the lower conduit 402, the positioning conduit 804, the second slider 801 and the air outlet 102 in sequence to be discharged, and thus flows through moist air flow in the heat exchange coil 4 to exchange heat, thereby dissipating heat for electrical components in the inner box body 2;
s5, after the humidity of the external air of the power distribution cabinet is reduced to a certain degree, the air continuously flowing through the first moisture absorption block 702 and the second moisture absorption block 802 takes away the moisture in the first moisture absorption block 702 and the second moisture absorption block 802, under the action of the restoring force of the first tension spring 704 and the second tension spring 803, the first moisture absorption block 702 moves upwards to open the air inlet hole 501, the second moisture absorption block 802 moves upwards to open the air outlet hole 601 and contacts with the positioning partition plate 805 to block the lower conduit 402, and therefore the air is restored to directly flow into the inner box body 2 to dissipate heat.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a self-interacting radiating outdoor power distribution cabinet which characterized in that: the heat exchanger comprises an outer box body (1), an inner box body (2) is arranged inside the outer box body (1), an air inlet groove (201) and an air outlet groove (202) are respectively formed in the middle of the top end and the bottom end of the inner box body (2), an upper pipe body (5) and a lower pipe body (6) are respectively arranged on one side and the other side of the top of an inner cavity of the outer box body (1), inner cavities of the upper pipe body (5) and the lower pipe body (6) are communicated with the outside of the outer box body (1), an air inlet hole (501) facing the air inlet groove (201) is formed in one side of the upper pipe body (5), an air outlet hole (601) facing the air outlet groove (202) is formed in one side of the lower pipe body (6), positioning baffles (101) far away from one sides of the upper pipe body (5) and the lower pipe body (6) are respectively arranged on the top and the bottom of, the heat exchange coil (4) is attached to three inner walls of the inner box body (2) all the time, the top end and the bottom end of the heat exchange coil (4) are respectively communicated with an upper conduit (401) and a lower conduit (402), the upper conduit (401) and the lower conduit (402) are respectively communicated with inner cavities of the upper pipe body (5) and the lower pipe body (6), and an upper converter channel mechanism (7) and a lower converter channel mechanism (8) are respectively arranged inside the upper pipe body (5) and the lower pipe body (6).
2. The self-regulating heat dissipation outdoor power distribution cabinet of claim 1, wherein: the upper commutation channel mechanism (7) comprises a first sliding block (701) movably sleeved in the upper pipe body (5), the outer side of the first sliding block (701) is attached to the inner wall of the upper commutation channel mechanism (7), a through hole is formed in the middle of the first sliding block (701), a first moisture absorption block (702) is arranged in the through hole, a rubber telescopic pipe (703) is fixedly connected to the top of the first sliding block (701), the top of the rubber telescopic pipe (703) is fixedly connected with the bottom of a top cover of the upper pipe body (5), an air inlet located on the inner side of the rubber telescopic pipe (703) is formed in the middle of the top cover of the upper pipe body (5), the height value of the first sliding block (701) is larger than that of the air inlet hole (501), and the first sliding block (701) is located above the air inlet hole (501) in a normal state.
3. The self-regulating heat dissipation outdoor power distribution cabinet of claim 2, wherein: the bottom of the inner cavity of the upper pipe body (5) is provided with a sealing ring positioned on the outer side of the top end of the upper guide pipe (401), and the inner diameter of the sealing ring is larger than that of the through hole in the middle of the first sliding block (701).
4. The self-regulating heat dissipation outdoor power distribution cabinet of claim 1, wherein: the lower converter channel mechanism (8) comprises a second sliding block (801) movably sleeved inside the lower pipe body (6), the outer side of the second sliding block (801) is attached to the inner wall of the lower pipe body (6), a through hole is formed in the middle of the second sliding block (801), a second moisture absorption block (802) is arranged in the through hole, a second tension spring (803) is fixedly connected between the top of the second sliding block (801) and the top of the inner cavity of the lower pipe body (6), a positioning guide pipe (804) located on the outer side of an upper guide pipe (401) is fixedly connected to the top of the inner cavity of the lower pipe body (6), through holes are formed in the bottoms of two sides of the positioning guide pipe (804), a positioning partition plate (805) is fixedly connected to the bottom of the positioning guide pipe (804), and the second sliding block (801) is located above the air outlet hole (601) in.
5. The self-regulating heat dissipation outdoor power distribution cabinet of claim 4, wherein: the bottom of the positioning partition plate (805) is fixedly connected with a sealing ring, and the inner diameter of the sealing ring is larger than that of a through hole in the middle of the second sliding block (801).
6. The self-regulating heat dissipation outdoor power distribution cabinet of claim 1, wherein: be equipped with three spacing baffle (3) of group between the inboard of outer box (1) and the interior box (2) outside, and the quantity of every spacing baffle of group (3) is two, two spacing baffle (3) splice into the rectangle framed panel that is located between outer box (1), interior box (2) just, the quantity of upper tube body (5), next body (6) is four, and four upper tube bodies (5), the both sides of distributing at three spacing baffle of group (3) are corresponded in lower tube body (6).
7. The self-regulating heat dissipation outdoor power distribution cabinet of claim 1, wherein: the top of outer box (1) is the inclined plane design, and the top of outer box (5) is located one side on outer box (1) top inclined plane, the top of outer box (1) still is equipped with ring baffle (9) that are located the upper tube body (5) outside, and the inboard of ring baffle (9) is equipped with apron (10) that are located directly over upper tube body (5), the bottom of outer box (1) is equipped with exhaust hole (102) that are located lower tube body (6) department, and still is equipped with the waterproof radiator fan who is located exhaust hole (102) department on outer box (1).
8. A method for dissipating heat from an outdoor self-regulating heat-dissipating electrical power distribution cabinet according to any one of claims 1 to 7, characterized in that: the heat dissipation method comprises the following steps:
s1, firstly, under the condition of sunny days, when the humidity of outside air is low, the gravity of a first sliding block (701) and a first moisture absorption block (702) is not enough to pull a first tension spring (704) to move downwards, the first sliding block (701) is positioned above an air inlet hole (501), meanwhile, under the action of the tension of a second tension spring (803), a second sliding block (801) is positioned above an air outlet hole (601), and a positioning partition plate (805) is positioned in a state of blocking the second moisture absorption block (802);
s2, the top and the bottom of the inner box body (2) are provided with cooling fans positioned at an air inlet groove (201) and an air outlet groove (202) to rotate, so that outside air enters from the top of the upper pipe body (5), flows through an air inlet hole (501), the air inlet groove (201), the air outlet groove (202) and an air outlet hole (601) in sequence, is finally discharged out of the outer box body (1) from the bottom of the lower pipe body (6), and directly cools electrical elements in the inner box body (2) through continuous flowing heat exchange of the outside air in the inner box body (2);
s3, when the outside is in rainy weather, rainwater is converged into an upper pipe body (5) through an inclined plane at the top of an outer box body (1), and is absorbed by a first moisture absorption block (702) at the middle part of a first sliding block (701), so that the gravity of the first sliding block (701) and the first moisture absorption block (702) is increased, the tension of a first tension spring (704) is overcome, the first sliding block (701) moves downwards to block an air inlet hole (501), after the first moisture absorption block (702) absorbs the rainwater to be saturated, the rainwater flows into an upper pipe (401) at the bottom of the upper pipe body (5), sequentially flows through a heat exchange coil (4) and a lower pipe (402) to enter a positioning pipe (804), along with the accumulation of the rainwater, the elasticity of a second tension spring (803) is overcome, the second sliding block (801) moves downwards to block the air outlet hole (601), and after the second moisture absorption block (802) absorbs the rainwater to be saturated, the rainwater flows to the lower part of the lower pipe body (6) through the middle part of the, electrical elements in the inner box body (2) are radiated by continuous inflow of rainwater in the heat exchange coil (4), and external humid air is prevented from directly flowing into the inner box body (2);
s4, after raining is finished, the first moisture absorption block (702) and the second moisture absorption block (802) absorb saturated rainwater, so that the first sliding block (701) is still in a state of blocking the air inlet hole (501), the second sliding block (801) is still in a state of blocking the air outlet hole (601), under the action of a waterproof cooling fan at the air outlet hole (102), external humid air still enters the heat exchange coil (4) through the upper guide pipe (401) and flows through the lower guide pipe (402), the positioning guide pipe (804), the second sliding block (801) and the air outlet hole (102) in sequence to be discharged, and therefore humid air flows in the heat exchange coil (4) to exchange heat, and electrical elements in the inner box body (2) are cooled;
s5, after the external air humidity of the power distribution cabinet is reduced to a certain degree, moisture in the first moisture absorption block (702) and the second moisture absorption block (802) is taken away by air continuously flowing through the first moisture absorption block (702) and the second moisture absorption block (802), under the action of the restoring force of the first tension spring (704) and the second tension spring (803), the first moisture absorption block (702) moves upwards to open an air inlet hole (501), the second moisture absorption block (802) moves upwards to open an air outlet hole (601) and contacts and blocks a lower conduit (402) with a positioning partition plate (805), and therefore the air is restored to directly flow into the inner box body (2) to dissipate heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110224123.3A CN112886439A (en) | 2021-03-01 | 2021-03-01 | Self-regulating heat dissipation outdoor power distribution cabinet and heat dissipation method thereof |
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| CN202110224123.3A CN112886439A (en) | 2021-03-01 | 2021-03-01 | Self-regulating heat dissipation outdoor power distribution cabinet and heat dissipation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116598911A (en) * | 2023-07-19 | 2023-08-15 | 山西际安电气有限公司 | Outdoor waterproof type switch board |
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2021
- 2021-03-01 CN CN202110224123.3A patent/CN112886439A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116598911A (en) * | 2023-07-19 | 2023-08-15 | 山西际安电气有限公司 | Outdoor waterproof type switch board |
| CN116598911B (en) * | 2023-07-19 | 2023-09-22 | 山西际安电气有限公司 | Outdoor waterproof type switch board |
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