CN209896481U - Electrical cabinet and electrical control device - Google Patents
Electrical cabinet and electrical control device Download PDFInfo
- Publication number
- CN209896481U CN209896481U CN201921087581.1U CN201921087581U CN209896481U CN 209896481 U CN209896481 U CN 209896481U CN 201921087581 U CN201921087581 U CN 201921087581U CN 209896481 U CN209896481 U CN 209896481U
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- China
- Prior art keywords
- cold
- surface radiating
- hot
- electrical cabinet
- radiating fins
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- 239000004065 semiconductor Substances 0.000 claims abstract description 25
- 230000017525 heat dissipation Effects 0.000 claims abstract description 9
- 229920001296 polysiloxane Polymers 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 7
- 239000011810 insulating material Substances 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000003570 air Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 239000010960 cold rolled steel Substances 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001369 Brass Inorganic materials 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000005679 Peltier effect Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model provides an electrical cabinet and an electrical control device, which relates to the technical field of electrical control, and comprises a shell, a hot-surface radiating fin, a cold-surface radiating fin and a semiconductor refrigerating fin; the hot-surface radiating fins and the cold-surface radiating fins are oppositely arranged in the shell, and the semiconductor refrigerating fins are arranged between the hot-surface radiating fins and the cold-surface radiating fins; the fan which is respectively arranged corresponding to the hot-surface radiating fins and the cold-surface radiating fins is arranged on the shell, so that hot air of the hot-surface radiating fins and cold air of the cold-surface radiating fins are blown out and are subjected to heat exchange with the outside, the technical problem that the heat dissipation efficiency of the electrical cabinet is not high is solved, and the technical effect of improving the heat dissipation efficiency of the electrical cabinet is achieved.
Description
Technical Field
The utility model belongs to the technical field of the cooling technique and specifically relates to an regulator cubicle and electrical control device are related to.
Background
The electrical cabinet is a cabinet which is processed by steel materials and used for protecting components from working normally. The electrical cabinet manufacturing materials are generally divided into hot rolled steel plates and cold rolled steel plates. The cold-rolled steel sheet is softer than hot-rolled steel sheet material, more is fit for the preparation of regulator cubicle. The electric cabinet has wide application, and is mainly used in the chemical industry, the environmental protection industry, the electric power system, the metallurgical system, the industry, the nuclear power industry, the fire safety monitoring, the traffic industry and the like.
The regulator cubicle is inside to have a large amount of electronic component, and electronic component can produce a large amount of heats under the condition of long-time work to lead to the internal portion temperature of cabinet of regulator cubicle to constantly rise, and if can not reduce the temperature in the cabinet this moment, then lead to the electrical part because of the high damage of temperature easily, thereby influence product property ability.
In view of this, it is desirable to provide an electrical cabinet with an air-cooling heat dissipation structure, so as to solve the above technical problems.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
A first object of the utility model is to provide an electrical cabinet to the inside electronic component of electrical cabinet that exists among the prior art such as having alleviated is impaired because of the high temperature, influences the technical problem who produces the product performance.
The utility model provides an electrical cabinet, which comprises a shell, a hot-surface radiating fin, a cold-surface radiating fin and a semiconductor refrigerating fin;
the hot-surface radiating fins and the cold-surface radiating fins are oppositely arranged in the shell, and the semiconductor refrigerating fins are arranged between the hot-surface radiating fins and the cold-surface radiating fins;
the shell is provided with fans which are respectively arranged corresponding to the hot-surface radiating fins and the cold-surface radiating fins so as to blow out hot air of the hot-surface radiating fins and cold air of the cold-surface radiating fins and exchange heat with the outside.
Furthermore, through holes are respectively formed in two opposite side faces of the shell, and the fan is embedded in the through holes.
Further, heat-conducting silicone grease layers are respectively coated between the hot-surface radiating fin and the semiconductor refrigerating fin and between the cold-surface radiating fin and the semiconductor refrigerating fin.
Further, a power supply is arranged on the shell and can supply power to the fan.
Further, the power supply is covered with a power supply shield for protecting the power supply.
Furthermore, a plurality of shield holes for heat dissipation are formed in the surface of the power shield.
Furthermore, a wiring terminal is installed on the power supply shield.
Furthermore, the power supply protective cover and the shell are made of insulating materials.
Further, a plurality of ventilation openings are formed in the bottom of the shell.
A second object of the utility model is to provide an electrical control device to the inside electrical part of regulator cubicle that has existed among the prior art such as having alleviated is impaired because of the high temperature, influences the technical problem who produces the product performance.
The utility model provides an electrical control device, including foretell regulator cubicle.
Has the advantages that:
on the one hand, the utility model provides an electrical cabinet, including hot side fin, cold side fin and semiconductor refrigeration piece, the semiconductor refrigeration piece is fixed in the middle of hot side fin and cold side fin, and the one side is used for refrigerating, and the one side is used for the heat dissipation, and the fan blows off cold wind and hot-blast respectively to take place heat exchange with the external world, in order to give off the heat. The utility model discloses can cool down through the semiconductor refrigeration piece under the too high condition of casing inside temperature to distribute away the heat through the fan, thereby avoid influencing product property ability because of the casing inside high temperature, improve the life of inside electrical part.
On the other hand, the utility model provides an electrical control device, including foretell regulator cubicle, consequently this electrical control device has all advantages of above-mentioned regulator cubicle, no longer gives unnecessary details here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first viewing angle of an electrical cabinet according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second view angle of the electrical cabinet according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third view angle of the electrical cabinet according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fourth view angle of the electrical cabinet according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an a-a direction structure of the electrical cabinet provided in the embodiment of the present invention based on fig. 1.
Icon: 1-hot side heat sink; 2-semiconductor refrigerating sheet; 3-cold side heat sink; 4-a shell; 5-a fan; 6-power supply shield; 7-a power supply; and 8-a connecting terminal.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
As shown in fig. 1 to 5, the electrical cabinet provided in this embodiment includes a housing 4, a hot-side heat sink 1, a cold-side heat sink 3, and a semiconductor cooling fin 2; the hot-surface radiating fins 1 and the cold-surface radiating fins 3 are oppositely arranged inside the shell 4, and the semiconductor refrigerating fins 2 are arranged between the hot-surface radiating fins 1 and the cold-surface radiating fins 3; the housing 4 is provided with fans 5 respectively corresponding to the hot-side fins 1 and the cold-side fins 3, so as to blow out hot air from the hot-side fins 1 and cold air from the cold-side fins 3 and exchange heat with the outside.
The radiating fin is a device for radiating heat of an electronic element which is easy to generate heat in an electrical appliance, and is made of aluminum alloy, brass or bronze into a plate shape, a sheet shape, a plurality of sheet shapes and the like, for example, a CPU (central processing unit) in a computer needs to use a relatively large radiating fin, and power tubes, a power tube and a power amplifier in a television need to use the radiating fin. Generally, a layer of heat-conducting silicone grease is coated on the contact surface of an electronic component and a heat sink when the heat sink is in use, so that heat emitted by the component is more effectively conducted to the heat sink and then dissipated to the ambient air through the heat sink.
In addition, the semiconductor refrigerating plate 2, also called as a thermoelectric refrigerating plate, is a heat pump. Its advantages are no slide part, limited space, high reliability and no pollution of refrigerant. By using the Peltier effect of the semiconductor materials, when direct current passes through a galvanic couple formed by connecting two different semiconductor materials in series, heat can be absorbed and released at two ends of the galvanic couple respectively, and the aim of refrigeration can be fulfilled. The refrigerating technology which generates negative thermal resistance is characterized by no moving parts and higher reliability.
Compared with the prior art, the electrical cabinet provided by the embodiment mainly has the following advantages:
the regulator cubicle that this embodiment provided includes hot side fin 1, cold side fin 3 and semiconductor refrigeration piece 2, and semiconductor refrigeration piece 2 is fixed in the middle of hot side fin 1 and cold side fin 3, and the one side is used for refrigerating, and the one side is used for the heat dissipation, and fan 5 blows off cold wind and hot-blast air respectively to take place heat exchange with the external world, in order to give off the heat. This embodiment can be under the too high condition of 4 inside temperatures of casing, cool down through semiconductor refrigeration piece 2 to distribute away the heat through fan 5, thereby avoid influencing product property ability because of the inside high temperature of casing, improve the life of inside electrical part.
In an alternative of this embodiment, two opposite side surfaces of the housing 4 are respectively provided with through holes, and the fan 5 is correspondingly embedded in the through holes. The fan 5 is embedded in the through hole on the surface of the shell 4, so that the inside of the shell 4 and the outside air circulate, and heat can be timely dissipated to exchange heat with the outside.
In the alternative of this embodiment, heat-conducting silicone grease layers are respectively coated between the hot-side heat sink 1 and the semiconductor chilling plate 2, and between the cold-side heat sink 3 and the semiconductor chilling plate 2.
Specifically, the heat-conducting silicone grease is commonly called as a heat-dissipating paste, and the heat-conducting silicone grease is a heat-conducting silicone grease-like compound prepared by adding materials with excellent heat resistance and heat-conducting property into organic silicone as a main raw material and is used for heat conduction and heat dissipation of electronic devices such as power amplifiers, transistors, electron tubes, CPUs and the like, so that the stability of the electrical properties of electronic instruments, meters and the like is ensured.
Adopt the heat conduction silicone grease layer to carry out heat-conduction for the heat-conduction efficiency between hot side fin 1 and cold side fin 3 and the semiconductor refrigeration piece 2 is higher, thereby promotes the heat dispersion of regulator cubicle.
In an alternative to this embodiment, a power supply 7 is provided on the housing 4, the power supply 7 being capable of supplying power to the fan 5. Through directly setting up power 7 on casing 4 to 5 powers make the fan carry out work for fan through power 7, avoid adopting external power supply wiring unchangeable, make the regulator cubicle become a whole, reduce the space occupancy.
In an alternative of this embodiment, the power supply 7 is externally covered with a power supply hood 6 for protecting the power supply 7. Establish power guard shield 6 at power 7's outside cover, when blowing wind or rainy, protection power 7 does not receive the influence of rainwater and dust, prevents rainwater or dust invasion and attack, causes harmful effects such as short circuit to have the potential safety hazard even to better protection power 7 promotes its life.
In an alternative of this embodiment, the surface of the power supply shield 6 is provided with a plurality of shield holes for heat dissipation. Because power 7 also can produce a large amount of heats under operating condition, consequently directly set up a plurality of shield holes on 6 surfaces of power guard shield for the heat that the power produced can in time effectually distribute away, avoids the high temperature, influences the life of battery.
In an alternative of this embodiment, the power supply cover 6 is provided with a connection terminal 8 for facilitating connection. The connecting terminal is used for conveniently connecting wires, and is a section of metal sheet sealed in insulating plastic, both ends of the metal sheet are provided with holes for inserting the wires, and screws are used for fastening or loosening, for example, two wires are connected at times and disconnected at times, and then the wires can be connected by using the terminals and disconnected at any time without welding or winding the wires together, so that the connecting terminal is convenient and quick. The novel power cable is suitable for interconnection of a large number of wires, and has special terminal blocks and terminal boxes in the power industry, wherein the terminal blocks are all single-layer, double-layer, current, voltage, common and breakable. The crimping area is designed to ensure reliable contact and to ensure that sufficient current can pass.
Therefore, the wiring terminal 8 is directly installed on the power supply shield 6, so that the electric device inside the shell can be uniformly connected with an external power supply through the wiring terminal 8, the shell can be switched on and off at any time, a plurality of wires are not required to be welded together, and the wiring efficiency of an electrician is improved.
In an alternative embodiment, the power supply shield 6 and the housing 4 are both made of insulating materials. The insulating material is a material which is not conductive under the allowable voltage, and in order to prevent electric shock, the power supply shield 6 and the shell 4 are made of insulating materials (plastics and the like), so that the safety of workers can be better protected.
In an alternative of this embodiment, the bottom of the housing 4 is provided with a plurality of ventilation openings. The plurality of ventilation openings can better dissipate heat and prevent the bottom of the shell 4 from being overhigh in temperature.
Example two
The present embodiment provides an electrical control apparatus, including the electrical cabinet according to the first embodiment.
Since the electrical cabinet is included in the embodiment, all advantages of the electrical cabinet are achieved, and the description is omitted.
It should be noted that the electrical control device also includes other structures, which are disclosed in the prior art and will not be described herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An electrical cabinet is characterized by comprising a shell (4), a hot-surface radiating fin (1), a cold-surface radiating fin (3) and a semiconductor refrigerating fin (2);
the hot-surface radiating fins (1) and the cold-surface radiating fins (3) are oppositely arranged in the shell (4), and the semiconductor refrigerating fins (2) are arranged between the hot-surface radiating fins (1) and the cold-surface radiating fins (3);
and the shell (4) is provided with a fan (5) which is respectively arranged corresponding to the hot-surface radiating fins (1) and the cold-surface radiating fins (3) so as to blow out hot air of the hot-surface radiating fins (1) and cold air of the cold-surface radiating fins (3) and exchange heat with the outside.
2. The electrical cabinet according to claim 1, wherein two opposite side surfaces of the casing (4) are respectively provided with a through hole, and the fan (5) is correspondingly embedded in the through holes.
3. The electrical cabinet according to claim 1, wherein a layer of heat-conducting silicone grease is coated between the hot-side heat sink (1) and the semiconductor chilling plate (2), and between the cold-side heat sink (3) and the semiconductor chilling plate (2), respectively.
4. Electrical cabinet according to claim 1 or 2, characterized in that a power supply (7) is provided on the housing (4), the power supply (7) being able to supply power to the fan (5).
5. Electrical cabinet according to claim 4, characterized in that the power supply (7) is externally covered with a power supply shield (6) for protecting the power supply (7).
6. The electrical cabinet according to claim 5, wherein a plurality of shield holes for heat dissipation are opened on the surface of the power supply shield (6).
7. Electrical cabinet according to claim 5, characterized in that the power supply shield (6) has a terminal (8) mounted thereon.
8. The electrical cabinet according to claim 5, wherein the power supply shield (6) and the housing (4) are made of insulating materials.
9. Electrical cabinet according to claim 1 or 8, characterized in that the housing (4) is provided with a plurality of vents at its bottom.
10. An electrical control device comprising an electrical cabinet according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921087581.1U CN209896481U (en) | 2019-07-11 | 2019-07-11 | Electrical cabinet and electrical control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921087581.1U CN209896481U (en) | 2019-07-11 | 2019-07-11 | Electrical cabinet and electrical control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209896481U true CN209896481U (en) | 2020-01-03 |
Family
ID=69001934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921087581.1U Expired - Fee Related CN209896481U (en) | 2019-07-11 | 2019-07-11 | Electrical cabinet and electrical control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209896481U (en) |
-
2019
- 2019-07-11 CN CN201921087581.1U patent/CN209896481U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 3138, Shiji Avenue, Huangdao District, Qingdao, Shandong Province Patentee after: Qingdao zhonggate Electric Co.,Ltd. Address before: 662 Huangdao District No. 266000 Century Avenue Shandong city of Qingdao Province Patentee before: QINGDAO CCS VFD MOTOR Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200103 |