CN220652627U - Sealed mining low-voltage power distribution cabinet - Google Patents
Sealed mining low-voltage power distribution cabinet Download PDFInfo
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- CN220652627U CN220652627U CN202322082106.8U CN202322082106U CN220652627U CN 220652627 U CN220652627 U CN 220652627U CN 202322082106 U CN202322082106 U CN 202322082106U CN 220652627 U CN220652627 U CN 220652627U
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- cabinet body
- cabinet
- air
- power distribution
- voltage power
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- 238000009826 distribution Methods 0.000 title claims abstract description 30
- 238000005065 mining Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 238000000605 extraction Methods 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 36
- 238000003860 storage Methods 0.000 claims description 26
- 238000001816 cooling Methods 0.000 claims description 11
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 230000017525 heat dissipation Effects 0.000 abstract description 33
- 239000000428 dust Substances 0.000 abstract description 26
- 238000012423 maintenance Methods 0.000 abstract description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 230000000740 bleeding effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a sealed mining low-voltage power distribution cabinet which comprises a cabinet body, wherein one side of the cabinet body is provided with an opening, the side surface of the cabinet body is provided with a cabinet door for sealing the opening, the inner side of the cabinet body is provided with a sealing element near the opening, the sealing element comprises an air jet pipe arranged at the opening, the side surface of the air jet pipe is provided with an air jet opening, and the cabinet body is internally provided with an air extraction component. This mining low-voltage power distribution cabinet of sealed type, the sealing member that sets up after the cabinet door is opened can play effectual sealed effect to the uncovered of the cabinet body, and debris such as avoid the dust get into the internal heat dissipation or the use of electric component of cabinet after the cabinet door is opened and lead to the fact the influence, and the setting of sealing member does not influence the maintenance of the internal circuit of cabinet, in addition, this switch board still is provided with the safety protection in thermovent department, when the internal portion of cabinet need not dispel the heat, can guarantee that the cabinet body self is in sealed state, prevents that the dust from getting into the internal portion of cabinet through thermovent.
Description
Technical Field
The utility model relates to the technical field of power distribution cabinets, in particular to a sealed mining low-voltage power distribution cabinet.
Background
The low-voltage power distribution cabinet is used as one of power equipment and is often used as a line power switch for controlling power transmission in engineering, and electric energy conversion can be performed in the power distribution equipment. Because the low-voltage power distribution cabinet is large and medium-sized power engineering equipment, a large amount of output power can be ensured to be output, and a plurality of very complex actual operations can be ensured, the low-voltage power distribution cabinet can be widely applied to various industries.
At present, in the ore exploitation process, in order to ensure safe supply of electric power, a low-voltage power distribution cabinet is often adopted, but a cabinet door is required to be opened for a long time in the detection or maintenance process of a common low-voltage power distribution cabinet, the environment of an ore exploitation place is usually severe, more dust exists, after the cabinet door is opened, external dust is blown by wind force and the like to easily enter the power distribution cabinet and adhere to the outside of a circuit, and heat dissipation and use of electric components in the power distribution cabinet are affected.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the sealed mining low-voltage power distribution cabinet, wherein a sealing element arranged after a cabinet door is opened can effectively seal an opening of a cabinet body, so that sundries such as dust can be prevented from entering the cabinet body after the cabinet door is opened to influence heat dissipation or use of an electric component, the arrangement of the sealing element does not influence overhaul of an internal circuit of the cabinet body, in addition, the power distribution cabinet is further provided with a safety protection at a heat dissipation opening, when the interior of the cabinet body does not need to dissipate heat, the cabinet body can be guaranteed to be in a sealing state, and the dust can be prevented from entering the interior of the cabinet body through the heat dissipation opening, so that the problems in the background art can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a mining low-voltage power distribution cabinet of sealed, includes the cabinet body, one side of the cabinet body is uncovered setting, and cabinet body side is provided with the cabinet door to uncovered sealedly, cabinet body inside is close to uncovered position and is provided with the sealing member, the sealing member is including setting up the gas jet that is located at uncovered, and the gas jet has been seted up to the gas jet side, the internal air extraction component that is provided with of cabinet, and the gas vent and the gas jet inner chamber intercommunication of air extraction component.
The cabinet body side has seted up the thermovent, and is provided with the shielding plate that shelters from the thermovent in the cabinet body, the internal impeller that drives the shielding plate and remove that is provided with of cabinet.
As a preferable technical scheme of the utility model, the air extraction assembly comprises an air pump body fixed in the cabinet body, an exhaust pipe is arranged at an exhaust port of the air pump body, and one end of the exhaust pipe, which is far away from the air pump body, is fixed on the side surface of the air ejector and is communicated with the inner cavity of the air ejector.
As a preferable technical scheme of the utility model, a first detection switch is arranged at a position, close to a cabinet door, of the side face of the cabinet body, and the first detection switch, the air pump body and an external power supply are connected in series to form a working circuit of the air pump body.
As a preferable technical scheme of the utility model, the upper part of the inner cavity of the cabinet body is provided with the air inlet box, the side surface of the air inlet box is uniformly provided with the air inlets communicated with the inner cavity of the air inlet box, the air inlet end of the air pump body is provided with the air exhaust pipe, and one end of the air exhaust pipe far away from the air pump body is fixed on the side surface of the air inlet box and is communicated with the inner cavity of the air inlet box.
As a preferable technical scheme of the utility model, the pushing piece comprises a storage box fixed on the side surface of the cabinet body, heat absorption liquid is stored in the storage box, a moving rod is slidably arranged on the side surface of the storage box, one end of the moving rod, which is positioned on the outer side of the storage box, is fixedly connected with the side surface of the shielding plate, and a moving piston which is contacted with the inner side of the storage box is fixed on one end of the moving rod, which is positioned on the inner side of the storage box.
As a preferable technical scheme of the utility model, the second detection switch is arranged on the inner side of the cabinet body, the second detection switch is positioned at the movable maximum distance of the shielding plate, the fan is arranged on the inner side of the cabinet body at the position close to the heat radiation opening, and the second detection switch, the fan and the external power supply are connected in series to form a working circuit of the fan.
As a preferable technical scheme of the utility model, the heat dissipation port is arranged at the upper part of the inner cavity of the cabinet body, and a filter screen is arranged at the position, close to the heat dissipation port, of the outer side of the cabinet body.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the sealed type mining low-voltage power distribution cabinet, the sealing piece arranged after the cabinet door is opened can effectively seal the opening of the cabinet body, impurities such as dust are prevented from entering the cabinet body after the cabinet door is opened to affect heat dissipation or use of the electric components, the arrangement of the sealing piece does not affect overhaul of circuits inside the cabinet body, in addition, the power distribution cabinet is further provided with safety protection at the heat dissipation opening, and when the inside of the cabinet body does not need heat dissipation, the cabinet body can be guaranteed to be in a sealed state, and the dust is prevented from entering the inside of the cabinet body through the heat dissipation opening.
2. According to the sealed mining low-voltage power distribution cabinet disclosed by the utility model, when the cabinet body is opened due to overhaul and other reasons, the first detection switch is triggered to be closed, the first detection switch controls the air pump body to work, so that the air pump body is used for exhausting air from the cabinet body, the air pump body conveys the extracted air into the exhaust pipe through the exhaust pipe and is sprayed out through the exhaust port on the side surface of the exhaust pipe, and the sprayed air forms an air wall to separate foreign matters such as dust outside, so that the dust is prevented from entering the cabinet body to influence the heat dissipation or the use of electrical components in the cabinet body.
3. When the cabinet body is normally used, the shielding plate is shielded at the heat dissipation opening, so that the cabinet body is in a sealed state, dust entering the cabinet body through the heat dissipation opening is reduced, when the temperature in the cabinet body is increased, heat absorption liquid stored in the storage box is heated and evaporated into gas, the gas pushes the movable piston to move in the storage box, and therefore the movable rod pushes the shielding plate to move, and the heat dissipation opening is opened, so that heat in the cabinet body is conveniently discharged through the heat dissipation opening.
4. According to the sealed mining low-voltage power distribution cabinet, when the temperature in the cabinet body is too high and the pushing piece is in the maximum extension state, the shielding plate moves to the position of the second detection switch and triggers the second detection switch to be closed, the second detection switch controls the fan to work, the fan increases the speed of gas flowing at the heat dissipation opening, and heat dissipation of electrical components in the cabinet body is facilitated.
5. According to the sealed mining low-voltage power distribution cabinet, when the radiating port radiates heat, the filter screen filters dust, after the fan is started, generated wind power not only increases the flow speed of gas, but also applies acting force on the filter screen to clean dust adhered on the filter screen, and the use of the filter screen is facilitated.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of another view of the present utility model;
FIG. 3 is an enlarged schematic view of the structure shown at A in FIG. 2;
FIG. 4 is a schematic view of the structure of the interior of the cabinet according to the present utility model;
FIG. 5 is a schematic elevational view of the cabinet with one side cut away;
FIG. 6 is an enlarged schematic view of the structure at B in FIG. 5;
fig. 7 is an enlarged schematic view of the structure at C in fig. 5.
In the figure: 1 cabinet body, 2 cabinet door, 3 jet-propelled pipes, 4 air pump body, 41 blast pipe, 42 exhaust tube, 5 inlet box, 6 first detection switch, 7 shielding plate, 8 impeller, 81 storage box, 82 movable rod, 83 movable piston, 9 fans, 10 second detection switch, 11 filter screen.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-7, the present utility model provides a technical solution: the utility model provides a mining low-voltage power distribution cabinet of sealed, including the cabinet body 1, one side of the cabinet body 1 is uncovered setting, be convenient for electric assembly's installation and maintenance, and cabinet body 1 side is provided with cabinet door 2 to uncovered sealedly, the leakproofness when cabinet body 1 uses is guaranteed to cabinet door 2, prevent that the dust from getting into the heat dissipation or the use of electric assembly in the cabinet body 1 through uncovered and causing the influence, cabinet body 1 inboard is close to uncovered position and is provided with the sealing member, the sealing member is including setting up the jet-propelled pipe 3 in uncovered department, and the jet-propelled mouth has been seted up to jet-propelled pipe 3 side, be provided with the subassembly of bleeding in the cabinet body 1, and the gas vent and the 3 inner chamber intercommunication of jet-propelled pipe of subassembly, the subassembly of bleeding is to jet-propelled in 3 and through the gas vent blowout, the spun gas forms the wind wall and protects uncovered, the outside dust of separation.
The cooling hole has been seted up to cabinet body 1 side, and be provided with in the cabinet body 1 to the shielding plate 7 that the cooling hole sheltered from, when cabinet body 1 normal use, shielding plate 7 shelters from in cooling hole department, makes cabinet body 1 be sealed state, reduces the dust that gets into in the cabinet body 1 through the cooling hole, is provided with the impeller 8 that drive shielding plate 7 removed in the cabinet body 1, and when the internal temperature of cabinet rose, impeller 8 promoted shielding plate 7 removal, opens the cooling hole, and the heat in the cabinet body 1 of being convenient for is discharged through the cooling hole.
The air extraction assembly comprises an air pump body 4 fixed inside the cabinet body 1, an exhaust pipe 41 is arranged at the exhaust port of the air pump body 4, one end of the exhaust pipe 41, far away from the air pump body 4, is fixed on the side face of the air ejector 3 and communicated with the inner cavity of the air ejector 3, the air pump body 4 extracts air from the cabinet body 1, the air pump body 4 conveys extracted gas into the exhaust pipe 41 through the exhaust pipe 41 and is sprayed out through the exhaust port on the side face of the exhaust pipe 41, and the sprayed gas forms an air wall to separate foreign matters such as dust outside and prevent the dust from entering the cabinet body 1 to influence heat dissipation or use of the electrical components in the cabinet body 1.
The position that cabinet body 1 side is close to cabinet door 2 is provided with first detection switch 6, and first detection switch 6, air pump body 4 and external power source establish ties and form the working circuit of air pump body 4, and when cabinet body 1 opened cabinet door 2 because of reasons such as overhauling, trigger first detection switch 6 and close, first detection switch 6 control air pump body 4 work, and air pump body 4 of being convenient for is operated at cabinet door 2 open first time and is made air jet pipe 3 jet and constitute the wind wall to the dust separation.
The air inlet box 5 is installed on cabinet body 1 inner chamber upper portion, and the air inlet of its inner chamber intercommunication is evenly offered to air inlet box 5 side, the inlet end of air pump body 4 is provided with exhaust tube 42, the one end that air pump body 4 was kept away from to exhaust tube 42 is fixed in air inlet box 5 side and with air inlet box 5 inner chamber intercommunication, thereby the steam is because of density is less accumulates on cabinet body 1 inner chamber upper portion according to the principle of expending with heat and shrinking, when air pump body 4 makes air inlet box 5 to the gas extraction in the cabinet body 1 through exhaust tube 42, the gas of air inlet box 5 extraction is the steam of the internal accumulation of cabinet, thereby the inside heat dissipation of cabinet body 1 of being convenient for.
The pushing member 8 comprises a storage box 81 fixed on the side surface of the cabinet body 1, the storage box 81 stores heat absorption liquid, the heat absorption liquid comprises but is not limited to diethyl ether or alcohol, a moving rod 82 is arranged on the side surface of the storage box 81 in a sliding manner, one end of the moving rod 82, which is positioned on the outer side of the storage box 81, is fixedly connected with the side surface of the shielding plate 7, a moving piston 83 which is in contact with the inner side of the storage box 81 is fixed on one end of the moving rod 82, which is positioned on the inner side of the storage box 81, when the temperature in the cabinet body 1 rises, the heat absorption liquid stored in the storage box 81 is heated and swelled or converted into gas, the gas pushes the moving piston 83 to move in the storage box 81, so that the moving rod 82 pushes the shielding plate 7 to move, a heat dissipation opening is opened, and heat in the cabinet body 1 is conveniently discharged through the heat dissipation opening.
The second detection switch 10 is installed to cabinet body 1 inboard, and second detection switch 10 is located shielding plate 7 movable maximum distance department, the fan 9 is installed to cabinet body 1 inboard position department that is close to the thermovent, second detection switch 10, fan 9 and external power source establish ties and constitute the operating circuit of fan 9, when the internal high temperature of cabinet makes impeller 8 be in the state of maximum extension, shielding plate 7 moves to the position department of second detection switch 10 and triggers second detection switch 10 and close, second detection switch 10 control fan 9 work, fan 9 increases thermovent department gas flow's speed, the inside electrical component's of cabinet body 1 heat dissipation of being convenient for.
The thermovent sets up in cabinet body 1 inner chamber upper portion, and the position department that is close to the thermovent in cabinet body 1 outside installs filter screen 11, and when thermovent dispels the heat, filter screen 11 filters the dust, and after the fan 9 starts, the wind-force of production is except increasing gaseous flow rate, still exerts the effort on filter screen 11 and clear up the dust of adhesion on the filter screen 11, the use of filter screen 11 of being convenient for.
When in use:
when the cabinet door 2 is opened due to overhaul and the like of the cabinet body 1, the first detection switch 6 is triggered to be closed, the first detection switch 6 controls the air pump body 4 to work, so that the air pump body 4 pumps air from the cabinet body 1, the air pump body 4 conveys the pumped air into the exhaust pipe 41 through the exhaust pipe 41 and ejects the air through an exhaust port on the side surface of the exhaust pipe 41, and the ejected air forms an air wall to separate foreign matters such as dust outside and prevent the dust from entering the cabinet body 1 to influence the heat dissipation or the use of electrical components in the cabinet body 1;
according to the principle of thermal expansion and contraction, hot air is accumulated at the upper part of the inner cavity of the cabinet body 1 due to smaller density, and when the air pump body 4 enables the air inlet box 5 to extract the air in the cabinet body 1 through the air exhaust pipe 42, the air extracted by the air inlet box 5 is the hot air accumulated in the cabinet body 1, so that the heat dissipation in the cabinet body 1 is facilitated; after the cabinet door 2 is closed, the first detection switch 6 is triggered and is in an off state, and the air pump body 4 stops working;
when the cabinet body 1 is normally used, the shielding plate 7 shields the heat dissipation opening, so that the cabinet body 1 is in a sealed state, dust entering the cabinet body 1 through the heat dissipation opening is reduced, when the temperature in the cabinet body 1 is increased, the heat absorption liquid stored in the storage box 81 is heated and evaporated into gas, the gas pushes the movable piston 83 to move in the storage box 81, and therefore the movable rod 82 pushes the shielding plate 7 to move, and the heat dissipation opening is opened, so that heat in the cabinet body 1 is conveniently discharged through the heat dissipation opening;
when the temperature in the cabinet body 1 is too high and the pushing piece 8 is in the maximum extension state, the shielding plate 7 moves to the position of the second detection switch 10 and triggers the second detection switch 10 to be closed, the second detection switch 10 controls the fan 9 to work, the fan 9 increases the speed of gas flow at the heat dissipation port, and heat dissipation of electrical components in the cabinet body 1 is facilitated;
when the heat dissipation port dissipates heat, the filter screen 11 filters dust, after the fan 9 is started, generated wind power not only increases the flow speed of gas, but also applies acting force on the filter screen 11 to clean the dust adhered on the filter screen 11, so that the filter screen 11 is convenient to use; after the temperature in the cabinet body 1 is reduced to be normal, the heat absorption liquid stored in the storage box 81 is gradually condensed, under the action of air pressure balance, the pushing piece 8 shortens and drives the shielding plate 7 to move and reset, and after the shielding plate 7 is moved away from the position of the second detection switch 10, the second detection switch 10 is automatically disconnected, and the fan 9 stops working.
The non-disclosed parts of the utility model are all prior art, and the specific structure, materials and working principle thereof are not described in detail. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a mining low-voltage power distribution cabinet of sealed, includes the cabinet body (1), its characterized in that: one side of the cabinet body (1) is provided with an opening, the side surface of the cabinet body (1) is provided with a cabinet door (2) for sealing the opening, the inner side of the cabinet body (1) is provided with a sealing piece at a position close to the opening, the sealing piece comprises an air jet pipe (3) arranged at the opening, the side surface of the air jet pipe (3) is provided with an air jet port, the cabinet body (1) is internally provided with an air extraction component, and an air outlet of the air extraction component is communicated with an inner cavity of the air jet pipe (3);
the cooling device is characterized in that a cooling hole is formed in the side face of the cabinet body (1), a shielding plate (7) for shielding the cooling hole is arranged in the cabinet body (1), and a pushing piece (8) for driving the shielding plate (7) to move is arranged in the cabinet body (1).
2. The sealed mining low-voltage power distribution cabinet according to claim 1, wherein: the air extraction assembly comprises an air pump body (4) fixed inside the cabinet body (1), an exhaust pipe (41) is arranged at an exhaust port of the air pump body (4), and one end, far away from the air pump body (4), of the exhaust pipe (41) is fixed on the side face of the air ejector tube (3) and is communicated with the inner cavity of the air ejector tube (3).
3. The sealed mining low-voltage power distribution cabinet according to claim 2, wherein: the cabinet is characterized in that a first detection switch (6) is arranged at the side face of the cabinet body (1) close to the cabinet door (2), and the first detection switch (6), the air pump body (4) and an external power supply are connected in series to form a working circuit of the air pump body (4).
4. The sealed mining low-voltage power distribution cabinet according to claim 2, wherein: the air inlet box (5) is installed on the upper portion of the inner cavity of the cabinet body (1), the air inlets communicated with the inner cavity of the air inlet box (5) are evenly formed in the side face of the air inlet box, the air inlet end of the air pump body (4) is provided with the air exhaust pipe (42), and one end, far away from the air pump body (4), of the air exhaust pipe (42) is fixed on the side face of the air inlet box (5) and communicated with the inner cavity of the air inlet box (5).
5. The sealed mining low-voltage power distribution cabinet according to claim 1, wherein: the pushing piece (8) comprises a storage box (81) fixed on the side face of the cabinet body (1), heat absorption liquid is stored in the storage box (81), a moving rod (82) is arranged on the side face of the storage box (81) in a sliding mode, one end of the moving rod (82) located on the outer side of the storage box (81) is fixedly connected with the side face of the shielding plate (7), and a moving piston (83) in contact with the inner side of the storage box (81) is fixed at one end of the moving rod (82) located on the inner side of the storage box (81).
6. The sealed mining low-voltage power distribution cabinet according to claim 1, wherein: the cabinet body (1) inboard installs second detection switch (10), and second detection switch (10) are located shielding plate (7) movable max distance department, fan (9) are installed to the position department that is close to the thermovent in cabinet body (1) inboard, the working circuit of fan (9) is constituteed in series to second detection switch (10), fan (9) and external power source.
7. The sealed mining low-voltage power distribution cabinet according to claim 1, wherein: the cooling port is arranged at the upper part of the inner cavity of the cabinet body (1), and a filter screen (11) is arranged at the position, close to the cooling port, of the outer side of the cabinet body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322082106.8U CN220652627U (en) | 2023-08-04 | 2023-08-04 | Sealed mining low-voltage power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322082106.8U CN220652627U (en) | 2023-08-04 | 2023-08-04 | Sealed mining low-voltage power distribution cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220652627U true CN220652627U (en) | 2024-03-22 |
Family
ID=90292638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322082106.8U Active CN220652627U (en) | 2023-08-04 | 2023-08-04 | Sealed mining low-voltage power distribution cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220652627U (en) |
-
2023
- 2023-08-04 CN CN202322082106.8U patent/CN220652627U/en active Active
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