CN110783839B - Power distribution cabinet with good heat dissipation effect for coal mine electromechanical equipment - Google Patents
Power distribution cabinet with good heat dissipation effect for coal mine electromechanical equipment Download PDFInfo
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- CN110783839B CN110783839B CN201911237074.6A CN201911237074A CN110783839B CN 110783839 B CN110783839 B CN 110783839B CN 201911237074 A CN201911237074 A CN 201911237074A CN 110783839 B CN110783839 B CN 110783839B
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- cabinet body
- conductive block
- water
- groove
- switch
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 17
- 230000000694 effects Effects 0.000 title claims abstract description 16
- 239000003245 coal Substances 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 127
- 238000005057 refrigeration Methods 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 26
- 238000001035 drying Methods 0.000 claims description 20
- 238000007667 floating Methods 0.000 claims description 13
- 230000002209 hydrophobic effect Effects 0.000 claims description 6
- 239000002808 molecular sieve Substances 0.000 claims description 6
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 5
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 4
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical compound [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 4
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Inorganic materials [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 4
- 235000010333 potassium nitrate Nutrition 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- -1 leaves Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
Images
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
- H02B1/56—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
-
- 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
Abstract
The invention discloses a power distribution cabinet with a good heat dissipation effect for coal mine electromechanical equipment, which comprises a cabinet body, wherein a plurality of switch elements are arranged in the cabinet body, heat dissipation holes are formed in the top end of the cabinet body, and a single breathable film is connected to the top surface in the cabinet body; an air inlet is formed in the bottom end of the cabinet body, a fan is arranged in the air inlet, one end, far away from the cabinet body, of the air inlet is connected with a coarse filter screen, and the fan is electrically connected with a power supply; according to the invention, air entering the power distribution cabinet is filtered, adsorbed and cooled, so that the power distribution cabinet can be continuously cooled under the action of the fan, and the power distribution cabinet cannot be polluted by external dirt to cause the power distribution cabinet to break down.
Description
Technical Field
The invention relates to the field of remote circuit breakers, in particular to a power distribution cabinet with a good heat dissipation effect for coal mine electromechanical equipment.
Background
In the process of coal mining, electric power is required, and a power distribution cabinet cannot be opened certainly, and in the process of coal mining, dust around is large, coal dust of a coal mine exists, and dust raised in the process of vehicle transportation exists;
traditional power distribution cabinet can realize better heat dissipation through seting up the louvre around the cabinet body, however to the great colliery of dust concentration, the dust can enter into the switch board in, can cause the appearance of the circumstances such as circuit short circuit.
Disclosure of Invention
1. Technical problem to be solved
The invention aims to provide a power distribution cabinet with a good heat dissipation effect for coal mine electromechanical equipment, which can achieve a good heat dissipation effect and prevent dust from entering the power distribution cabinet, and aims to solve the problems that the dust concentration in a coal mine area is high and the dust enters the power distribution cabinet in a traditional power distribution cabinet heat dissipation mode so as to influence the work of the power distribution cabinet in the prior art.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A power distribution cabinet with good heat dissipation effect for coal mine electromechanical equipment comprises a cabinet body, wherein a plurality of switch elements are arranged in the cabinet body, heat dissipation holes are formed in the top end of the cabinet body, and a single breathable film is connected to the top surface in the cabinet body;
an air inlet is formed in the bottom end of the cabinet body, a fan is arranged in the air inlet, one end, far away from the cabinet body, of the air inlet is connected with a coarse filter screen, and the fan is electrically connected with a power supply;
the bottom in the cabinet body is sequentially provided with a fine filter screen, a molecular sieve adsorption layer, a hydrophobic breathable film, a water layer, a drying layer and a hollowed-out bottom plate from bottom to top, wherein the fine filter screen is positioned above the air inlet;
a groove is formed in the inner wall of the cabinet body between the bottom plate and the water layer, a through groove is formed in one side of the groove, the through groove penetrates through the cabinet body, and the drying layer is inserted into the groove from the through groove;
one end of the drying layer is provided with a round table-shaped rubber plug handle, and one end of the through groove, which is far away from the groove, is a trapezoidal groove matched with the rubber plug handle;
a liquid level display cylinder is arranged on the outer side of the cabinet body, the bottom of the liquid level display cylinder is communicated with the bottom of the water layer through a water outlet pipe positioned in the cabinet body, and a first electric valve is arranged on the water outlet pipe; the bottom end of the liquid level display cylinder is connected with a water storage tank, a second electric valve is arranged between the water storage tank and the liquid level display cylinder, a water pump is arranged in the water storage tank, and the water pump is communicated with the top of the water layer through a water inlet pipe;
a filter screen plate which is tightly attached to the inner wall of the liquid level display barrel is arranged in the liquid level display barrel, and a T-shaped handle is connected above the filter screen plate;
the water pump, the first electric valve and the second electric valve are all electrically connected with a power supply;
the switch box is connected to the outer side of the cabinet body, which is far away from the through groove, a switch hole is formed in the cabinet body, and the switch box is communicated with the adjacent grooves through the switch hole;
a first conductive block is arranged on one side, close to the cabinet body, inside the switch box, a second conductive block is arranged on one side, far away from the cabinet body, inside the switch box, a third conductive block is arranged between the first conductive block and the second conductive block, a switch rod is arranged in the switch hole, one end of the switch rod is located in the groove, the other end of the switch rod penetrates through the first conductive block and the third conductive block to be fixedly connected, and the diameter of the cross section of the switch rod is smaller than that of the first conductive block and that of the third conductive block;
a spring is connected between the side surface of the third conductive block far away from the switch rod and the inner wall of the switch box;
the fan and the water pump are electrically connected with the power supply through a third conductive block and a second conductive block in the switch box;
the third conductive block and the first conductive block in the first electric valve and the second electric valve switch box are electrically connected with a power supply;
a refrigerating device is arranged in the water storage tank and comprises a refrigerating pipeline and a circular rotary cavity, one end of the refrigerating pipeline is communicated with the top end of the water storage tank, and a cover plate is rotatably connected to the outer side of the communicated position;
the refrigeration pipeline is bent into a horizontal shape after vertically downwards from the communication position, a circular rotating cavity is arranged in the middle of the horizontal position, and a ball outlet is formed in one side, away from the cover plate, of the circular rotating cavity;
refrigeration plant in be provided with the refrigeration ball, circular rotatory intracavity portion swivelling joint have the pivot, the one end of pivot run through refrigeration pipeline back and connect power equipment, the pivot side that is located circular rotatory intracavity portion is connected with two and rotates the page or leaf, two are rotated the page or leaf and are the S type.
Preferably, a waterproof cover is arranged on the surface of the refrigeration equipment, and a first limiting block and a second limiting block are respectively connected to the surface of the waterproof cover above and below the rotating shaft;
the power equipment comprises a floating block, the floating block is positioned in the water storage tank, the upper surface of the floating block is connected with a connecting rod, and the connecting rod penetrates through the first limiting block and the second limiting block;
the surface of the rotating shaft is provided with gear teeth, the surface of the connecting rod, which is close to the rotating shaft, is provided with partial rotating teeth, and the gear teeth are meshed with the rotating teeth.
Preferably, the refrigeration ball is made of ammonium nitrate or saltpeter.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that: according to the invention, air entering the power distribution cabinet is filtered, adsorbed and cooled, so that the power distribution cabinet can be continuously cooled under the action of the fan, and the power distribution cabinet cannot be polluted by external dirt to cause the power distribution cabinet to break down.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of the invention at B of FIG. 1;
FIG. 4 is an enlarged view of FIG. 1 at C;
FIG. 5 is a schematic view of the structure of the water storage tank of the present invention;
FIG. 6 is a cross-sectional view taken at D-D of FIG. 5 in accordance with the present invention;
FIG. 7 is a cross-sectional view taken at E-E of FIG. 6 in accordance with the present invention;
fig. 8 is a working state diagram of the water storage tank of the invention during refrigeration.
The reference numbers in the figures illustrate:
1. a cabinet body; 2. a switching element; 3. heat dissipation holes; 4. a single breathable film; 5. an air inlet; 6. a fan; 7. a coarse filter screen; 8. a fine filter screen; 9. a molecular sieve adsorbent layer; 10. a hydrophobic, breathable film; 11. a water layer; 12. drying the layer; 13. a base plate; 14. a groove; 15. a through groove; 16. a rubber plug handle; 17. a trapezoidal groove; 18. a switch box; 19. a switch hole; 20. a switch bar; 21. a first conductive block; 22. a second conductive block; 23. a third conductive block; 24. a spring; 25. a liquid level display cylinder; 26. a first electrically operated valve; 27. a water storage tank; 28. a second electrically operated valve; 29. a water pump; 30. a filter screen plate; 31. a T-shaped handle; 32. a refrigeration device; 33. a circular rotating cavity; 34. a cover plate; 35. cooling the balls; 36. a rotating shaft; 37. rotating the page; 38. a waterproof cover; 39. a first stopper; 40. a second limiting block; 41. floating blocks; 42. a connecting rod; 43. gear teeth; 44. rotating the teeth; 45. and a ball outlet.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
Example 1:
referring to fig. 1, the power distribution cabinet with good heat dissipation effect for the coal mine electromechanical equipment comprises a cabinet body 1, wherein a plurality of switch elements 2 are arranged in the cabinet body 1, heat dissipation holes 3 are formed in the top end of the cabinet body 1, and a single breathable film 4 is connected to the top surface in the cabinet body 1;
an air inlet 5 has been seted up to the bottom of the cabinet body 1, is provided with fan 6 in the air inlet 5, and the one end that the cabinet body 1 was kept away from to air inlet 5 is connected with coarse filtration net 7, 6 electric connection power supplies of fan.
After the fan is powered on, external air enters the air inlet under the action of the fan, and the coarse filter screen can filter out larger dirt such as dust, leaves, stones and the like;
get into the internal air of cabinet and can take away the internal heat of cabinet under the effect of fan, go out through the louvre of the cabinet body top, the individual ventilated membrane that the louvre bottom was provided with can prevent that external air current and filth from entering into the cabinet internal.
Example 2:
as shown in fig. 1, a fine filter screen 8, a molecular sieve adsorption layer 9, a hydrophobic breathable film 10, a water layer 11, a drying layer 12 and a hollowed bottom plate 13 are sequentially arranged at the bottom in the cabinet body 1 from bottom to top, and the fine filter screen 8 is located above the air inlet 5.
Air enters the device and is firstly filtered again through the fine filter screen 8, then the air is adsorbed and purified through the molecular sieve adsorption layer 9, the molecular sieve adsorption layer 9 has the functions of adsorbing and purifying the air on one hand, and supporting the hydrophobic breathable film 10 and further supporting water in the water layer 11 on the other hand, then the air enters the water layer after passing through the hydrophobic breathable film, and the air enters the water layer and has two functions of purifying the air on the one hand and cooling the air on the other hand, and the air passes through the water layer with higher humidity, so the air needs to pass through the drying layer for drying and then passes through the bottom plate, and then the heat emitted by the switch element 2 is taken away; if the utility model is small in size, the bottom plate is used for placing and maintaining, and if the utility model is large in size, the bottom plate is used for supporting the human body; the bottom plate is fixedly connected with the inner wall of the cabinet body.
Example 3:
as shown in fig. 1 and 2, a groove 14 is formed in the inner wall of the cabinet body 1 between the bottom plate 13 and the water layer 11, a through groove 15 is formed in one side of the groove 14, the through groove 15 penetrates through the cabinet body 1, and the drying layer 12 is inserted into the groove 14 from the through groove 15;
one end of the drying layer 12 is provided with a round platform-shaped rubber plug handle 16, and one end of the through groove 15 far away from the groove 14 is provided with a trapezoidal groove 17 matched with the rubber plug handle 16.
The dry layer is in the in-process of using, can be gradually become moist, so the dry layer needs regularly change, so through having seted up recess 14 at cabinet body 1 inner wall, logical groove 15 has been seted up to one side of recess 14, leads to groove 15 and runs through cabinet body 1, and dry layer 12 inserts the mode in the recess 14 from leading to groove 15 to the realization is to the change of dry layer.
Example 4:
as shown in fig. 1 and 4, a liquid level display cylinder 25 is arranged on the outer side of the cabinet body 1, the bottom of the liquid level display cylinder 25 is communicated with the bottom of the water layer 11 through a water outlet pipe positioned in the cabinet body 1, and a first electric valve 26 is arranged on the water outlet pipe; the bottom end of the liquid level display barrel 25 is connected with a water storage tank 27, a second electric valve 28 is arranged between the water storage tank 27 and the liquid level display barrel 25, a water pump 29 is arranged in the water storage tank 27, and the water pump 29 is communicated with the top of the water layer 11 through a water inlet pipe;
a filter screen plate 30 which is tightly attached to the inner wall of the liquid level display barrel 25 is arranged in the liquid level display barrel 25, and a T-shaped handle 31 is connected above the filter screen plate 30;
the water pump 29, the first electrically operated valve 26 and the second electrically operated valve 28 are all electrically connected to a power source.
In the using process of the water layer, the air can take away the water in the water layer to the drying layer, so the water in the water layer can be gradually reduced, on the basis, the water in the water layer needs to be supplemented in time, otherwise, the above effect cannot be achieved, the liquid level of the water layer can be clear through the liquid level display cylinder 25, in addition, bacteria can be bred or dirt can be contained in the water body in the water layer after a long time, the requirement is clear in time, so the water in the water layer needs to be regularly discharged, the bottom end of the liquid level display cylinder 25 is lower than that of the water layer, after the first electric valve 26 and the second electric valve 28 are opened, the water in the water layer flows into the water storage tank 27 after passing through the liquid level display cylinder 25, the dirt can be remained on the filter screen plate 30 in the liquid level display cylinder 25, the water entering the water storage tank 27 is purified, in addition, the dirt on the filter screen plate 30 is pulled by the T-shaped handle 31 to be taken, then cleaning is carried out;
the water that is located storage water tank 27 after the purification flows into the water layer again under the effect of water pump 29 and inlet tube, and the inlet tube in the description drawing is not drawn, and the cabinet body of inlet tube and water layer top is intercommunication, is provided with the valve on the inlet tube in addition, places the air and spills over from the inlet tube.
Example 5:
as shown in fig. 1-4, a switch box 18 is connected to the outer side of the cabinet body far from the through slot 15, a switch hole 19 is formed on the cabinet body 1, and the switch box 18 is communicated with the adjacent groove 14 through the switch hole 19;
a first conductive block 21 is arranged on one side, close to the cabinet body 1, inside the switch box 18, a second conductive block 22 is arranged on one side, far away from the cabinet body, inside the switch box 18, a third conductive block 23 is arranged between the first conductive block 21 and the second conductive block 22, a switch rod 20 is arranged in the switch hole 19, one end of the switch rod 20 is located in the groove 14, the other end of the switch rod penetrates through the first conductive block 21 and the third conductive block 23 to be fixedly connected, and the section diameter of the switch rod 20 is smaller than that of the first conductive block 21 and that of the third conductive block 23;
a spring 24 is connected between the side surface of the third conductive block 23 far away from the switch rod 20 and the inner wall of the switch box 18;
the fan 6 and the water pump 29 are electrically connected with a power supply through the third conductive block 23 and the second conductive block 22 in the switch box 18;
the first electrically operated valve 26 and the second electrically operated valve 28 open and close the third electrically conductive block 23 and the first electrically conductive block 21 in the box 18 electrically connected to the power source.
As described above, the switch box 18 is added to realize the linkage of the operation, as shown in fig. 3, after the dry layer is inserted into the groove 14, the switch rod 20 is pressed to move the switch rod to the right until the third conductive block 23 contacts with the second conductive block 22, so that the fan 6, the water pump 29, the third conductive block 23, the second conductive block 22 and the power supply form a series-connected closed loop, the fan 6 and the water pump 29 start to work, the dry layer is pressed back under the elastic force of the spring to move to the left, but the rubber plug 16 made of rubber material is matched with and closely contacts with the trapezoidal groove 17, the friction force is increased, so that the friction force is greater than the elastic force of the spring, and moreover, the friction force formed between the dry layer and the groove is also greater than the elastic force of the spring, so even if the rubber plug 16 does not contact with the trapezoidal groove 17, the spring cannot impact the dry layer;
when the drying layer is extracted, the air cannot be dried without the drying layer, and the wet air may cause short circuit of the power distribution cabinet, so that the fan needs to be stopped after the drying layer is extracted, and the fan needs to work simultaneously after the drying layer is inserted;
similarly, after the dry layer is extracted, the water in the water layer needs to be drained, and at this time, the third conductive block 23 is contacted with the first conductive block 21 under the action of the spring, thereby causing the first electrically operated valve 26, the second electrically operated valve 28 and the power source to form a closed loop, whereby water in the water layer flows out of the outlet pipe, therefore, the situation that air is not humidified without a water layer and further a power distribution cabinet is not short-circuited even if the fan works or air still enters the cabinet body can be avoided, when the drying layer is inserted, the fan works and the water pump works at the same time, so that the water in the water storage tank flows into the water layer, the water pump is a waterproof water pump, the water storage tank is provided with a control device, the water pump is controlled to automatically cut off after working for a period of time, otherwise, the water pump can not always work all the time, the water in the water storage tank is dry and still works, and in addition, the water in the water layer can not be contacted with the drying layer; the diameter of the section of the water inlet pipe is fixed, so that the power of the water pump is also fixed, the flow per second is also fixed, and the water quantity entering the water layer can be controlled by controlling the working time of the water pump;
the operation condition of the device is controlled by the switch box 18 through the insertion and the extraction of the drying layer, so that the linkage control is realized, the labor is saved, the complicated steps are simplified, and the automation is realized.
Example 6:
as shown in fig. 1 and 5-8, a refrigerating device 32 is arranged inside the water storage tank 27, the refrigerating device comprises a refrigerating pipeline and a circular rotary cavity 33, one end of the refrigerating pipeline is communicated with the top end of the water storage tank 27, and a cover plate 34 is rotatably connected to the outer side of the communication part;
the refrigeration pipeline is bent into a horizontal shape after vertically downwards from the communication position, a circular rotating cavity 33 is arranged in the middle of the horizontal position, and a ball outlet 45 is arranged on one side of the circular rotating cavity 33, which is far away from the cover plate 34;
be provided with refrigeration ball 35 in the refrigeration plant 32, the inside swivelling joint of circular rotatory chamber 33 has pivot 36, and the one end of pivot 36 runs through refrigeration pipeline back and connects power equipment, is located the inside pivot 36 side of circular rotatory chamber 33 and is connected with two and rotates page or leaf 37, and two are rotated page or leaf 37 and are the S type.
The surface of the refrigeration equipment 32 is provided with a waterproof cover 38, and the surface of the waterproof cover 38 is respectively positioned above and below the rotating shaft 36 and is respectively connected with a first limiting block 39 and a second limiting block 40;
the power equipment comprises a floating block 41, the floating block 41 is positioned in the water storage tank 27, the upper surface of the floating block 41 is connected with a connecting rod 42, and the connecting rod 42 penetrates through a first limiting block 39 and a second limiting block 40;
the surface of the rotating shaft 36 is provided with gear teeth 43, and the surface of the connecting rod 42 adjacent to the rotating shaft 36 is provided with partial rotating teeth 44, and the gear teeth 43 and the rotating teeth 44 are meshed.
The refrigeration balls 35 are made of ammonium nitrate or saltpeter.
The water in the water layer flows into the liquid level display cylinder and then flows into the water storage tank, only the purification effect is realized, but the temperature is not reduced, and the embodiment realizes the cooling treatment of the water entering the water storage tank;
the water in the water layer falls from the upper part of the water storage tank, the waterproof cover can prevent the refrigeration equipment from being sprayed with water as far as possible, in addition, the water level in the water storage tank gradually rises and drives the floating block to rise so as to drive the connecting rod to rise, the state of the refrigeration equipment before the floating block rises is shown in figure 5, when the connecting rod rises to the position shown in figure 7, namely the rotating teeth are meshed with the gear teeth of the rotating shaft for connection, the rotating shaft is driven under the action of the rotating teeth so as to drive the rotating page to rotate 180 degrees anticlockwise from the state shown in figure 5, a refrigeration ball can be driven to move in the rotating process to reach the state shown in figure 8, then the rotating page stops, the connecting rod can continue to rise at the moment, the work of the refrigeration equipment is not influenced because the connecting rod is not meshed with the rotating shaft at the moment and the rotating page stops, but the refrigeration ball 35 rolls rightwards under the, then the material is rolled out from the ball outlet into the water storage tank, so that the refrigeration ball is contacted with water to react, the material of the refrigeration ball is made of a material which can absorb heat when reacting with the water, such as ammonium nitrate or saltpeter, other materials are not excluded, and in addition, in order to avoid the use amount of the material to be too large, the refrigeration ball 35 is preferably of a hollow structure, so that the surface area which can react with the water can be increased; in addition, the height in the water storage tank cannot be higher than the position of the ball outlet;
when the water pump works, the liquid level in the water storage tank is lowered, and at the moment, the rotating teeth on the connecting rod are meshed with the gear teeth on the rotating shaft again to drive the rotating blade to rotate clockwise, so that the position shown in the figure 8 is reached to the position shown in the figure 5;
in order to avoid the situation that the connecting rod cannot drive the rotating shaft to move through the rotating teeth in the lifting process so as to cause the bending of the connecting rod, the first limiting block and the second limiting block are respectively arranged at the upper position and the lower position of the rotating shaft, so that the position of the connecting rod is prevented from being deviated, and as long as the connecting rod is lifted, the rotating shaft is driven to rotate through the rotating teeth;
the rotation of the rotating blade is realized only through buoyancy, in order to realize the work, the bottom surface area of the floating body needs to be as large as possible, in addition, one end of the rotating shaft is connected with the inner wall of the circular rotating cavity in a rotating way, and the other end of the rotating shaft penetrates through the inner wall of the circular rotating cavity and the waterproof cover to extend outwards, so that the friction force at the rotating position is required to be as small as possible;
by the technical means, the power distribution cabinet can be efficiently cooled.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (3)
1. The utility model provides a colliery is power distribution cabinet that radiating effect is good for electromechanical device, includes the cabinet body (1), cabinet body (1) in be provided with a plurality of switching element (2), its characterized in that: the top end of the cabinet body (1) is provided with a heat dissipation hole (3), and the inner top surface of the cabinet body (1) is connected with a single breathable film (4);
an air inlet (5) is formed in the bottom end of the cabinet body (1), a fan (6) is arranged in the air inlet (5), one end, far away from the cabinet body (1), of the air inlet (5) is connected with a coarse filter screen (7), and the fan (6) is electrically connected with a power supply;
the cabinet body (1) is characterized in that a fine filter screen (8), a molecular sieve adsorption layer (9), a hydrophobic breathable film (10), a water layer (11), a drying layer (12) and a hollowed-out bottom plate (13) are sequentially arranged at the bottom in the cabinet body (1) from bottom to top, and the fine filter screen (8) is positioned above the air inlet (5);
a groove (14) is formed in the inner wall of the cabinet body (1) between the bottom plate (13) and the water layer (11), a through groove (15) is formed in one side of the groove (14), the through groove (15) penetrates through the cabinet body (1), and the drying layer (12) is inserted into the groove (14) from the through groove (15);
one end of the drying layer (12) is provided with a round table-shaped rubber plug handle (16), and one end of the through groove (15) far away from the groove (14) is provided with a trapezoidal groove (17) matched with the rubber plug handle (16);
a liquid level display cylinder (25) is arranged on the outer side of the cabinet body (1), the bottom of the liquid level display cylinder (25) is communicated with the bottom of the water layer (11) through a water outlet pipe positioned in the cabinet body (1), and a first electric valve (26) is arranged on the water outlet pipe; the bottom end of the liquid level display barrel (25) is connected with a water storage tank (27), a second electric valve (28) is arranged between the water storage tank (27) and the liquid level display barrel (25), a water pump (29) is arranged in the water storage tank (27), and the water pump (29) is communicated with the top of the water layer (11) through a water inlet pipe;
a filter screen plate (30) which is tightly attached to the inner wall of the liquid level display barrel (25) is arranged in the liquid level display barrel (25), and a T-shaped handle (31) is connected above the filter screen plate (30);
the water pump (29), the first electric valve (26) and the second electric valve (28) are all electrically connected with a power supply;
the outer side, far away from the through groove (15), of the cabinet body is connected with a switch box (18), a switch hole (19) is formed in the cabinet body (1), and the switch box (18) is communicated with the adjacent groove (14) through the switch hole (19);
a first conductive block (21) is arranged on one side, close to the cabinet body (1), inside the switch box (18), a second conductive block (22) is arranged on one side, far away from the cabinet body, inside the switch box (18), a third conductive block (23) is arranged between the first conductive block (21) and the second conductive block (22), a switch rod (20) is arranged in the switch hole (19), one end of the switch rod (20) is located in the groove (14), the other end of the switch rod penetrates through the first conductive block (21) and the third conductive block (23) to be fixedly connected, and the section diameter of the switch rod (20) is smaller than that of the first conductive block (21) and that of the third conductive block (23);
a spring (24) is connected between the side surface of the third conductive block (23) far away from the switch rod (20) and the inner wall of the switch box (18);
the fan (6) and the water pump (29) are electrically connected with a power supply through a third conductive block (23) and a second conductive block (22) in the switch box (18);
the third conductive block (23) and the first conductive block (21) in the switch box (18) of the first electric valve (26) and the second electric valve (28) are electrically connected with a power supply;
a refrigerating device (32) is arranged in the water storage tank (27), the refrigerating device comprises a refrigerating pipeline and a circular rotating cavity (33), one end of the refrigerating pipeline is communicated with the top end of the water storage tank (27), and the outer side of the communicated position is rotatably connected with a cover plate (34);
the refrigeration pipeline is bent into a horizontal shape after vertically downwards from the communication position, a circular rotating cavity (33) is arranged in the middle of the horizontal position, and a ball outlet (45) is arranged on one side, away from the cover plate (34), of the circular rotating cavity (33);
refrigeration plant (32) in be provided with refrigeration ball (35), circular rotatory chamber (33) inside swivelling joint have pivot (36), the one end of pivot (36) run through and connect power equipment behind the refrigeration pipeline, be located inside pivot (36) side of circular rotatory chamber (33) and be connected with two and rotate page or leaf (37), two are rotated page or leaf (36) and are the S type.
2. The power distribution cabinet with the good heat dissipation effect for the coal mine electromechanical equipment according to claim 1, characterized in that: a waterproof cover (38) is arranged on the surface of the refrigeration equipment (32), and a first limiting block (39) and a second limiting block (40) are respectively connected to the surface of the waterproof cover (38) above and below the rotating shaft (36);
the power equipment comprises a floating block (41), the floating block (41) is positioned in the water storage tank (27), the upper surface of the floating block (41) is connected with a connecting rod (42), and the connecting rod (42) penetrates through a first limiting block (39) and a second limiting block (40);
gear teeth (43) are arranged on the surface of the rotating shaft (36), partial rotating teeth (44) are arranged on the surface, close to the rotating shaft (36), of the connecting rod (42), and the gear teeth (43) are meshed with the rotating teeth (44).
3. The power distribution cabinet with the good heat dissipation effect for the coal mine electromechanical equipment according to claim 1, characterized in that: the refrigerating ball (35) is made of ammonium nitrate or saltpeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237074.6A CN110783839B (en) | 2019-12-05 | 2019-12-05 | Power distribution cabinet with good heat dissipation effect for coal mine electromechanical equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237074.6A CN110783839B (en) | 2019-12-05 | 2019-12-05 | Power distribution cabinet with good heat dissipation effect for coal mine electromechanical equipment |
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| Publication Number | Publication Date |
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| CN110783839A CN110783839A (en) | 2020-02-11 |
| CN110783839B true CN110783839B (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911237074.6A Active CN110783839B (en) | 2019-12-05 | 2019-12-05 | Power distribution cabinet with good heat dissipation effect for coal mine electromechanical equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112202079B (en) * | 2020-09-27 | 2022-07-08 | 江苏理工学院 | Power transformation box with heat radiation structure |
| WO2022094759A1 (en) * | 2020-11-03 | 2022-05-12 | 南通捷皋家具有限公司 | Dustproof server cabinet |
| CN113053258B (en) * | 2021-03-31 | 2022-05-03 | 深圳市希恩凯电子有限公司 | OLED display screen for high-pressure environment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2009284669A (en) * | 2008-05-22 | 2009-12-03 | Mitsubishi Electric Corp | Distribution panel |
| CN206225936U (en) * | 2016-12-07 | 2017-06-06 | 国家电网公司 | Anti-condensation terminal box structure |
| CN107069493A (en) * | 2017-05-15 | 2017-08-18 | 惠安县鑫泰信息科技有限公司 | A kind of vertical switch cabinet of electric power that dirt effect is filtered with liquid water-cooled |
| CN106972382B (en) * | 2017-05-17 | 2018-08-10 | 珠海市万晟电气有限公司 | A kind of dust-proof radiating power equipment power distribution cabinet |
| CN107946980A (en) * | 2017-12-14 | 2018-04-20 | 徐州飞轮电器科技开发有限公司 | A kind of energy-saving radiating type photovoltaic packet type switch cabinet |
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Effective date of registration: 20210427 Address after: 510000 room 701, No.2 Shengting street, Haizhu District, Guangzhou City, Guangdong Province Applicant after: Yan Limei Address before: 239500 No. 26, an hou group, Cross Village, Quanjiao County, Chuzhou, Anhui Applicant before: Wei Xue |
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Effective date of registration: 20220126 Address after: Room 1705, No. 299, Jingjiang Road, Jing'an District, Shanghai 200040 Patentee after: Wu Jing Address before: 510000 room 701, No.2 Shengting street, Haizhu District, Guangzhou City, Guangdong Province Patentee before: Yan Limei |
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Effective date of registration: 20220222 Address after: Room 116, building 60, No. 709, Lingshi Road, Jing'an District, Shanghai Patentee after: Shanghai Ziyi Electrical Engineering Co.,Ltd. Address before: Room 1705, No. 299, Jingjiang Road, Jing'an District, Shanghai 200040 Patentee before: Wu Jing |
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