CN214756040U - Switching power supply and express delivery cabinet - Google Patents
Switching power supply and express delivery cabinet Download PDFInfo
- Publication number
- CN214756040U CN214756040U CN202120764546.XU CN202120764546U CN214756040U CN 214756040 U CN214756040 U CN 214756040U CN 202120764546 U CN202120764546 U CN 202120764546U CN 214756040 U CN214756040 U CN 214756040U
- Authority
- CN
- China
- Prior art keywords
- power supply
- switching power
- hole
- box
- mounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The utility model discloses a switching power supply and express delivery cabinet, the switching power supply comprises a power supply box, a power supply body and a refrigeration piece, wherein the power supply box is provided with an installation cavity and a through hole communicated with the installation cavity; the power supply body is arranged in the mounting cavity; the refrigeration piece is electrically connected with the power supply body, the refrigeration piece is provided with a cold end and a hot end, the cold end is arranged in the installation cavity and attached to the outer surface of the power supply body, and the hot end corresponds to the through hole. The utility model discloses technical scheme has improved switching power supply's radiating efficiency.
Description
Technical Field
The utility model relates to an express delivery cabinet technical field, in particular to switching power supply and use this switching power supply's express delivery cabinet.
Background
After the switching power supply is used for a long time, a large amount of heat can be generated, and in order to guarantee the use safety of the switching power supply, the switching power supply is generally subjected to heat dissipation treatment. In the related art, the heat generated by the switching power supply is taken away by arranging the heat dissipation fan on the switching power supply, but the heat dissipation efficiency of the heat dissipation fan is low, and after the switching power supply generates a large amount of heat, the heat dissipation fan cannot dissipate the heat in time.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a switching power supply aims at improving switching power supply's radiating efficiency.
In order to achieve the above object, the present invention provides a switching power supply including:
the power supply box is provided with an installation cavity and a through hole communicated with the installation cavity;
the power supply body is arranged in the mounting cavity; and
the refrigeration piece, the refrigeration piece with power body electricity is connected, the refrigeration piece has cold junction and hot junction, the cold junction is located the installation intracavity, and laminate in power body's surface, the hot junction corresponds the through-hole sets up.
Optionally, the switching power supply further includes a heat dissipation fin, and the heat dissipation fin is inserted into the through hole and connected to the hot end.
Optionally, the switching power supply further includes a sealing member, and the sealing member is disposed in the through hole and is in sealing abutment with the heat dissipation fin and the hole wall of the through hole, respectively.
Optionally, the power body towards one side of refrigeration piece is equipped with the installation backing plate, honeycomb holes have been seted up on the installation backing plate, the installation backing plate clamp is located the power body with between the cold junction.
Optionally, a heat-conducting silicone grease layer is arranged between the hot end and the inner wall of the mounting cavity;
and/or at least one surface of the mounting base plate is provided with a heat-conducting silicone grease layer.
Optionally, a connecting hole is formed in the power supply body, a positioning hole is formed in the mounting base plate, and the power supply body and the mounting base plate sequentially penetrate through the connecting hole and are connected with the positioning hole through a first connecting piece.
Optionally, the switching power supply further includes:
the controller is electrically connected with the power supply body and used for controlling the refrigeration sheet to be opened or closed; and
and the temperature sensor is arranged on the power supply body and is electrically connected with the controller.
Optionally, the power pack includes:
a box body formed with an installation groove; and
the lid, the lid fits the notch of mounting groove, and with the connection can be dismantled to the box body, the box body with the lid encloses to close and forms the installation cavity.
Optionally, the switching power supply further comprises a sealing strip, and the sealing strip is clamped between the box body and the box cover and is in sealing abutting connection with the box body and the box cover respectively.
The utility model also provides an express delivery cabinet, include:
a cabinet body; and
the switching power supply is arranged in the cabinet body.
The utility model discloses technical scheme locates the power pack's installation intracavity with power body, and power pack effectively protects power body. Set up the cold junction laminating in power supply body's surface of refrigeration piece, power supply body is for the refrigeration piece circular telegram for the cold junction of refrigeration piece absorbs the heat that power supply body produced, and the hot junction of refrigeration piece distributes away the heat through the through-hole, in order to reach the radiating effect. The refrigeration piece is laminated in the power body, and area of contact is great, is favorable to the heat conduction of power body, and simultaneously, the refrigeration piece radiating effect is good, has improved the radiating efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a switching power supply of the present invention;
fig. 2 is an exploded view of an embodiment of the switching power supply of the present invention;
fig. 3 is a longitudinal sectional view of an embodiment of the switching power supply of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | Switching power supply | 2 | Power supply body |
| 1 | |
21 | |
| 11 | |
211 | |
| 12 | Through |
212 | Locating |
| 13 | |
22 | Connecting |
| 131 | Mounting plate | 23 | First connecting |
| 1311 | |
3 | Refrigerating |
| 132 | |
4 | Radiating |
| 133 | Hanging loop | 6 | |
| 14 | Box cover | 7 | |
| 141 | Fixing hole | 8 | Plug-in connector |
| 15 | Second connecting piece | 9 | Sealing strip |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a switching power supply 100.
Referring to fig. 1 to 3, in the embodiment of the present invention, the switching power supply 100 includes a power supply box 1, a power supply body 2 and a cooling plate 3, the power supply box 1 is provided with an installation cavity 11 and a through hole 12 communicating with the installation cavity 11; the power supply body 2 is arranged in the mounting cavity 11; refrigeration piece 3 is connected with power supply body 2 electricity, and refrigeration piece 3 has cold junction and hot junction, and in 11 installation chambeies were located to the cold junction to laminate in power supply body 2's surface, the hot junction corresponds through-hole 12 and sets up.
In an embodiment, the power supply box 1 is optionally a square box shape, and is formed by enclosing a plurality of side plates. Optionally, the side plates may be integrally formed, or may be connected by welding, so as to ensure the sealing property of the joints. The power supply box 1 may be made of an aluminum metal material to improve heat dissipation efficiency, and of course, may also be made of iron, copper, or plastic, which is not limited herein.
Wherein, power supply body 2 locates in installation cavity 11, and optionally, power supply body 2 adopts screw connection or buckle connection with the connected mode of installation cavity 11 inner wall, improves and installs and removes the convenience. It can be understood that the refrigeration piece 3 can be installed between the inner walls of the power supply body 2 and the installation cavity 11, and is fixedly connected with the inner walls of the installation cavity 11 through the power supply body 2, so that the refrigeration piece 3 is clamped and fixed. Meanwhile, the power body 2 is electrically connected with the refrigerating sheet 3, and the power body 2 is electrified for the refrigerating sheet 3. It can be understood that, in order to give off the heat outside power pack 1, through-hole 12 intercommunication installation cavity 11 sets up, and through-hole 12 can be circular port or rectangular hole, and simultaneously, can do sealing process between the pore wall of through-hole 12 and the refrigeration piece 3 to reach dustproof waterproof effect.
The utility model discloses in technical scheme located power pack 1's installation cavity 11 with power pack 2, power pack 1 effectively protected power pack 2. Set up the cold junction laminating in power supply unit 2 of refrigeration piece 3, power supply unit 2 is for the 3 circular telegrams of refrigeration piece for the cold junction of refrigeration piece 3 absorbs the heat that power supply unit 2 produced, and the hot junction of refrigeration piece 3 distributes away the heat through-hole 12, in order to reach the radiating effect. Refrigeration piece 3 laminates in power supply body 2, and area of contact is great, is favorable to power supply body 2's heat conduction, and simultaneously, refrigeration piece 3's radiating effect is good, has improved the radiating efficiency.
In order to further improve the heat dissipation efficiency, as shown in fig. 2, the switching power supply 100 further includes a heat dissipation fin 4, and the heat dissipation fin 4 is inserted into the through hole 12 and connected to the hot end.
Specifically, the heat dissipation fins 4 are optionally disposed through the through holes 12, and can be fixed on the hole walls of the through holes 12. It can be understood that one end of the heat dissipation fin 4 passes through the through hole 12 from the inside of the mounting cavity 11 and extends out to the external space, and the other end is abutted or bonded with the hot end of the refrigeration sheet 3. The hot junction of refrigeration piece 3 is with heat conduction to radiating fin 4 on, is given off the heat to the exterior space by radiating fin 4 again to improve the radiating effect. Optionally, the end of the heat dissipating fin 4 facing the cooling fin 3 is provided with a hook, the inner wall of the mounting cavity 11 is provided with a clamping groove, the clamping groove is adjacent to the through hole 12, and when the heat dissipating fin 4 penetrates through the through hole 12, the hook is in fit clamping connection with the clamping groove to fix the heat dissipating fin 4.
The through holes 12 are elongated, and optionally, the through holes 12 include a plurality of elongated through holes 12, and the plurality of elongated through holes 12 are arranged in parallel and at intervals. It is understood that the heat dissipating fins 4 also include a plurality of heat dissipating fins 4, the heat dissipating fins 4 are in the shape of strip plates, and one heat dissipating fin 4 is arranged corresponding to one through hole 12. The plurality of heat dissipation fins 4 are arranged in parallel, and the extending direction of each heat dissipation fin 4 is consistent with the length direction of each through hole 12, so that each heat dissipation fin 4 is respectively arranged in one through hole 12 in a penetrating manner. For example, the plurality of heat dissipating fins 4 are arranged at intervals in the vertical direction, and the plurality of through holes 12 are correspondingly arranged at intervals in the vertical direction. A plurality of radiating fins 4 are arranged for radiating heat simultaneously so as to improve the radiating efficiency.
In order to improve the sealing performance of the power supply box 1, the switching power supply 100 further includes a sealing member (not shown) which is provided in the through hole 12 and is in sealing contact with the heat dissipation fin 4 and the hole wall of the through hole 12.
Specifically, the sealing member is the ring-shaped, installs in the pore wall of through-hole 12, and as can be understood, the sealing member and the size looks adaptation of through-hole 12, when radiating fin 4 passed through-hole 12, radiating fin 4 was located to the sealing member cover to make the sealing member respectively with radiating fin 4 and the sealed butt of the pore wall of through-hole 12. The sealing member is optionally a rubber ring or a silicone ring or the like.
In an embodiment, a mounting base plate 21 is arranged on one side of the power supply body 2 facing the refrigerating sheet 3, a honeycomb hole 211 is formed in the mounting base plate 21, and the mounting base plate 21 is clamped between the power supply body 2 and the cold end.
Further, in order to prevent that the normal work of power supply body 2 is influenced by the condensation that produces in the supercooling of refrigeration piece 3, set up installation backing plate 21 and the laminating of refrigeration piece 3. It can be understood that when the cold junction temperature is lower, freeze easily, when refrigeration piece 3 during stop work, ice melts and produces water, and water easily flows down along power body 2 to influence power body 2's normal work. Set up mounting pad 21 and separate power supply body 2 and refrigeration piece 3, can understand, honeycomb holes 211 are equipped with a plurality ofly, and a plurality of honeycomb holes 211 are array arrangement on mounting pad 21, and honeycomb holes 211 on 2 accessible mounting pad 21 of power supply body gives off the heat to the cold junction of refrigeration piece 3.
Optionally, a limiting groove is formed in one side, facing the mounting pad 21, of the power supply body 2, and the mounting pad 21 can be accommodated and limited in the limiting groove to fix the mounting pad 21 and prevent falling off. Optionally, a positioning groove may be formed in one side of the mounting base plate 21 facing the refrigeration sheet 3, and the refrigeration sheet 3 may be accommodated and limited in the limiting groove to fix the refrigeration sheet 3.
In an embodiment, referring to fig. 2, a connection hole 22 is formed on the power body 2, a positioning hole 212 is formed on the mounting pad 21, and the power body 2 and the mounting pad 21 are sequentially connected through the connection hole 22 and the positioning hole 212 by a first connection member 23.
Specifically, the both ends that power body 2 is relative all are equipped with a connecting hole 22, and is corresponding, and the both ends that installation backing plate 21 is relative all are equipped with a locating hole 212, and each connecting hole 22 corresponds the setting with a locating hole 212. The two first connectors 23 pass through a connecting hole 22 and a positioning hole 212 in sequence to connect the power supply body 2 and the mounting pad 21. Alternatively, the number of the connection holes 22 and the positioning holes 212 is plural, and is not limited thereto, as long as the power supply body 2 and the mounting pad 21 can be stably connected. The first connector 23 is optionally a bolt, screw or pin.
In order to further improve the heat conduction efficiency, a heat conduction silicone grease layer is arranged between the hot end and the inner wall of the mounting cavity 11. In other embodiments, a thermal grease layer may be disposed on one surface of the mounting pad 21. It is understood that, in order to improve the heat dissipation efficiency, the heat-conducting silicone grease layers may be provided on both side surfaces of the mounting mat 21. The heat-conducting silicone grease has high heat conductivity, excellent heat conductivity, good electrical insulation, wider use temperature, good use stability, lower consistency and good construction performance. Alternatively, the thermally conductive silicone grease may be provided in the honeycomb holes 211 of the mounting mat 21.
In order to control the opening or closing of the refrigerating sheet 3 in real time, the switching power supply 100 further comprises a controller 6 and a temperature sensor 7, wherein the controller 6 is electrically connected with the power supply body 2 and is used for controlling the opening or closing of the refrigerating sheet 3; the temperature sensor 7 is provided in the power supply body 2 and electrically connected to the controller 6.
Specifically, the controller 6 is electrically connected with the power supply body 2, and the temperature sensor 7 monitors the working temperature of the power supply body 2 in real time and feeds back the result to the controller 6. When the temperature sensor 7 monitors that the working temperature of the power supply body 2 is too high, the controller 6 controls the power supply body 2 to electrify the refrigerating sheet 3 according to the feedback result of the temperature sensor 7, namely, the refrigerating sheet 3 is opened to conduct heat, so as to achieve the heat dissipation effect. When the working temperature of the power supply body 2 is lower, the controller 6 controls the power supply body 2 to stop electrifying the refrigerating sheet 3, and energy is saved. The working state of the refrigerating sheet 3 is automatically controlled through the controller 6, so that the energy consumption can be reduced while the power body 2 is ensured to effectively radiate heat. Optionally, also can set up temperature sensor 7 and detect the temperature of the 3 cold junctions of refrigeration piece, when 3 cold junctions of refrigeration piece temperature is crossed lowly, control refrigeration piece 3 stop work to prevent that 3 cold junctions of refrigeration piece temperature from crossing lowly and freezing, improve the security.
In an embodiment, the switching power supply 100 further includes a plurality of connectors 8, and one end of each of the plurality of connectors 8 penetrates through the power supply box 1 and is electrically connected to the power supply body 2.
Illustratively, the plug 8 is optionally an aircraft plug, which has a good connection and sealing effect. It can be understood that the lateral wall of the power box 1 is provided with an insertion hole, one end of the aviation plug penetrates through the insertion hole and is in threaded connection with the power box 1, and connection stability is improved. Simultaneously, the outer wall of aviation plug and installation cavity 11's inner wall and power pack 1 all seals the butt to improve installation cavity 11's leakproofness, reach dustproof and waterproof's effect. It can be understood that one end of the aviation plug located in the installation cavity 11 is connected with the power supply body 2 through a cable, and the aviation plugs can be divided into an input end and a plurality of output ends, optionally, the input end can input 220V voltage through other power supplies, and the output ends can output 20V or 50V and other voltages.
For convenience of installation, the power supply box 1 comprises a box body 13 and a box cover 14, wherein the box body 13 is provided with an installation groove 132; the box cover 14 covers the notch of the mounting groove 132 and is detachably connected with the box body 13, and the box body 13 and the box cover 14 enclose to form a mounting cavity 11.
In one embodiment, the box 13 is optionally square box-shaped, and the mounting groove 132 is correspondingly square groove-shaped and is adapted to the shape of the power supply body 2. It can be understood that the through hole 12 is opened on the bottom wall of the mounting groove 132, and simultaneously, the hot end of the refrigeration sheet 3 is attached to the bottom wall of the mounting groove 132. Optionally, the box cover 14 is in a plate shape, and the size of the box cover 14 is larger than the size of the notch of the mounting groove 132 to enclose the mounting cavity 11.
In one embodiment, the mounting plate 131 is disposed around the periphery of the box 13, the mounting plate 131 extends from the notch of the mounting groove 132 to the periphery of the box 13, the mounting plate 131 is provided with a plurality of mounting holes 1311, and the mounting holes 1311 are disposed around the mounting groove 132. Meanwhile, a plurality of fixing holes 141 are formed in the box cover 14, and the plurality of fixing holes 141 are circumferentially formed along the circumference of the box cover 14. A fixing hole 141 is disposed corresponding to a mounting hole 1311, and a plurality of second connectors 15 are disposed to sequentially pass through a fixing hole 141 and a mounting hole 1311, respectively, to connect the case body 13 and the case cover 14. The second connector 15 is optionally a bolt, screw or pin. Of course, in other embodiments, the box body 13 and the box cover 14 may be connected by a snap connection or the like.
In an embodiment, the switching power supply 100 further includes a sealing strip 9, and the sealing strip 9 is sandwiched between the box body 13 and the box cover 14, and is in sealing abutment with the box body 13 and the box cover 14 respectively.
In particular, the sealing strip 9 is adapted to the periphery of the lid 14, for example, in a square shape. It will be appreciated that when the box body 13 and the box cover 14 are connected, the sealing strip 9 is sandwiched between the mounting plate 131 and the box cover 14. Optionally, a sealing groove is formed in the mounting plate 131, and the sealing strip 9 is partially accommodated and limited in the sealing groove, so that the sealing strip 9 can be mounted conveniently. Of course, the sealing groove may be provided at the periphery of the box cover 14, which is not limited herein.
In an embodiment, the side wall of the box body 13 is provided with the hanging lug 133, and the hanging lug 133 is provided with a hanging hole, so that the box body 13 can be hung on other equipment through the hanging lug 133, or can be stably connected with other equipment through the hanging hole, thereby improving the connection convenience. Optionally, two hanging lugs 133 are provided, and the two hanging lugs 133 are respectively provided at two opposite sides of the box body 13, so as to improve the connection stability of the box body 13 and other devices.
The utility model discloses still provide an express delivery cabinet (not shown), this express delivery cabinet includes the cabinet body and switching power supply 100, and this switching power supply 100's concrete structure refers to above-mentioned embodiment, because this express delivery cabinet has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer repeated here one by one. Wherein, the switching power supply 100 is arranged in the cabinet body.
The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A switching power supply, characterized in that the switching power supply comprises:
the power supply box is provided with an installation cavity and a through hole communicated with the installation cavity;
the power supply body is arranged in the mounting cavity; and
the refrigeration piece, the refrigeration piece with power body electricity is connected, the refrigeration piece has cold junction and hot junction, the cold junction is located the installation intracavity, and laminate in power body's surface, the hot junction corresponds the through-hole sets up.
2. The switching power supply according to claim 1, further comprising a heat dissipating fin disposed through the through hole and connected to the hot terminal.
3. The switching power supply according to claim 2, further comprising a sealing member provided in the through hole and respectively in sealing abutment with the heat dissipation fin and a wall of the through hole.
4. The switching power supply according to claim 1, wherein a mounting pad is disposed on a side of the power supply body facing the cooling plate, the mounting pad having honeycomb holes, the mounting pad being sandwiched between the power supply body and the cold end.
5. The switching power supply according to claim 4, wherein a thermally conductive silicone layer is provided between said hot side and an inner wall of said mounting cavity;
and/or at least one surface of the mounting base plate is provided with a heat-conducting silicone grease layer.
6. The switching power supply according to claim 4, wherein the power supply body is provided with a connecting hole, the mounting pad is provided with a positioning hole, and the power supply body and the mounting pad are connected through the connecting hole and the positioning hole in sequence by a first connecting member.
7. The switching power supply according to any one of claims 1 to 6, further comprising:
the controller is electrically connected with the power supply body and used for controlling the refrigeration sheet to be opened or closed; and
and the temperature sensor is arranged on the power supply body and is electrically connected with the controller.
8. The switching power supply according to any one of claims 1 to 6, wherein the power supply box includes:
a box body formed with an installation groove; and
the lid, the lid fits the notch of mounting groove, and with the connection can be dismantled to the box body, the box body with the lid encloses to close and forms the installation cavity.
9. The switching power supply according to claim 8, further comprising a sealing strip interposed between the box body and the box cover and respectively in sealing abutment with the box body and the box cover.
10. An express delivery cabinet, comprising:
a cabinet body; and
the switching power supply according to any one of claims 1 to 9, wherein the switching power supply is provided in the cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120764546.XU CN214756040U (en) | 2021-04-14 | 2021-04-14 | Switching power supply and express delivery cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120764546.XU CN214756040U (en) | 2021-04-14 | 2021-04-14 | Switching power supply and express delivery cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214756040U true CN214756040U (en) | 2021-11-16 |
Family
ID=78603275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120764546.XU Active CN214756040U (en) | 2021-04-14 | 2021-04-14 | Switching power supply and express delivery cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214756040U (en) |
-
2021
- 2021-04-14 CN CN202120764546.XU patent/CN214756040U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3376556A1 (en) | Tray, power battery pack and electric vehicle | |
| CN107732359A (en) | Electric automobile power battery heat management device based on semiconductor refrigerating technology | |
| CN207217714U (en) | Electric automobile power battery heat management device based on semiconductor refrigerating technology | |
| CN104253466A (en) | Charger | |
| CN109546264A (en) | A kind of magnetic refrigeration-type radiating management device for power battery of electric vehicle | |
| CN103904383A (en) | Battery module with fluid cooling passage | |
| CN111082183B (en) | Battery module | |
| CN214756040U (en) | Switching power supply and express delivery cabinet | |
| CN202190491U (en) | Mini-type air condition used for electric device | |
| CN118197700A (en) | Cable with improved heat dissipation | |
| CN203872374U (en) | PTC heating assembly | |
| CN106129935A (en) | A kind of energy-saving copper-aluminum composite conductor plug type bus duct in switch cubicle | |
| CN216071344U (en) | Portable heat preservation transfer box based on internet of things | |
| CN213521189U (en) | Intensive bus duct with heat dissipation effect | |
| US20140256174A1 (en) | Terminal box for solar cell | |
| CN212033099U (en) | Battery box and power battery | |
| CN207589091U (en) | A kind of speaker that circuit board and accumulator is facilitated to radiate | |
| CN114204162A (en) | Battery module and battery package | |
| CN205789383U (en) | A kind of power transformer case | |
| CN207587932U (en) | Battery radiator structure and the battery pack with air-cooled radiating device | |
| CN202310383U (en) | Sealed outdoor rack possessing heat dissipation structure | |
| CN207802674U (en) | Controller mounting structure and compressor electric cabinet | |
| CN210722666U (en) | Low-voltage high-power transformer heat abstractor | |
| CN218215756U (en) | Connecting terminal structure and rifle that charges | |
| CN212412693U (en) | High-efficient radiating insulating bus duct |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |