CN213151900U - Power supply device - Google Patents
Power supply device Download PDFInfo
- Publication number
- CN213151900U CN213151900U CN202022429172.4U CN202022429172U CN213151900U CN 213151900 U CN213151900 U CN 213151900U CN 202022429172 U CN202022429172 U CN 202022429172U CN 213151900 U CN213151900 U CN 213151900U
- Authority
- CN
- China
- Prior art keywords
- power supply
- output
- cavity
- supply device
- cover plate
- 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
- Dc-Dc Converters (AREA)
Abstract
The utility model provides a power supply device, which comprises a power supply main body, an upper cover plate, a lower cover plate, a front panel and a rear panel, wherein the upper cover plate, the lower cover plate, the front panel and the rear panel are connected with the power supply main body into a closed whole; the power supply main body comprises a first cavity, a second cavity and a third cavity, and a stop strip is arranged between the cavities; the first cavity is used for configuring an input filter, an input control assembly and a power factor correction assembly; the second cavity is used for configuring a plurality of direct current-direct current power conversion modules and a plurality of adjustment indicating assemblies; the third cavity is used for configuring a plurality of output filters and a plurality of energy storage capacitors. The utility model connects the power main body, the upper and lower cover plates, the front and rear panels into a closed whole, thereby inhibiting the external electromagnetism from entering and the external electromagnetism from leaking inside the power, and improving the performance of anti-electromagnetic interference; the power supply device is fixed on the mounting assembly through the locking device, so that the anti-seismic performance of the power supply device is improved; the circular ventilation small holes and the cooling fan are arranged, so that the ventilation and cooling performance of the power supply device is improved.
Description
Technical Field
The utility model relates to an industrial instrument accuse equipment power field, in particular to power supply unit.
Background
For a complete safety instrument control system, the direct-current voltage-stabilized power supply plays a vital role in guaranteeing the normal operation of the safety instrument control system. Firstly, the DC stabilized power supply provides a stable power source for a safety instrument control system, and the DC stabilized power supply needs to be protected from interference of various external severe environments and conditions in various extreme temperature and humidity conditions, continuous vibration resistance and earthquake environments. In addition, a direct current stabilized voltage supply is also an important component of electromagnetic compatibility in a safety level instrument control system, and the requirements of conduction emission, radiation emission, conduction immunity, radiation immunity, surge immunity, electric fast transient pulse group immunity and the like are simultaneously met. Because industrial power supplies are often used in environments with severe conditions and encounter many complex environmental factors, industrial dc voltage-stabilized power supplies need to meet the requirements of environmental adaptability and electromagnetic compatibility of safety level instrumentation and control systems.
The main structure of the traditional industrial power supply adopts a loose steel or aluminum plate shell, the shell is connected by bolts, the structure is easy to loose, and the earthquake resistance is limited; the cooling fan is not matched with the self-cooling fan, and timely cooling cannot be provided when the temperature of the self-cooling fan or the surrounding environment rises; and cannot provide a multi-output direct current stabilized voltage power supply; in addition, the power supply in the traditional industry inhibits external electromagnetic interference through an external filtering device, but is limited by the structure, the anti-electromagnetic interference capability is limited, the shell adopts the modes of bolt connection, lap joint and the like, the shell has a gap, and the electromagnetism generated in the power supply can leak through the gap to radiate the electromagnetic radiation generated outside.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a power supply unit in order to overcome traditional power anti-electromagnetic interference ability among the prior art, shock resistance and ventilation cooling performance poor defect.
The utility model discloses an above-mentioned technical problem is solved through following technical scheme:
the utility model provides a power supply device, which comprises a power supply main body, an upper cover plate, a lower cover plate, a front panel and a rear panel, wherein the upper cover plate, the lower cover plate, the front panel and the rear panel are all connected with the power supply main body into a whole; the power supply main body comprises a first cavity, a second cavity and a third cavity, and stop bars are arranged among the first cavity, the second cavity and the third cavity;
the first cavity is used for configuring an input filter, an input control component and a power factor correction component;
the second cavity is used for configuring a plurality of direct current-direct current power conversion modules and a plurality of adjustment indicating assemblies;
the third cavity is configured to configure a plurality of output filters and a plurality of energy storage capacitors.
Preferably, the left and right sides of the power supply main body are both provided with slide rails, the slide rails are integrated with the power supply main body, and the slide rails on the left and right sides of the power supply main body are used for being inserted into the slide ways of the installation assembly and are fixed through the locking devices.
Preferably, the front panel is provided with a plurality of circular ventilation holes, the rear panel is provided with a plurality of cooling fans, the power supply main body, the upper cover plate, the lower cover plate, the front panel and the rear panel form a closed air duct, and the circular ventilation holes, the air duct and the cooling fans are communicated.
Preferably, the aperture of the circular vent hole is less than 5 mm.
Preferably, the power supply main body, the upper cover plate, the lower cover plate, the front panel, the rear panel and the stop bar are all made of aluminum alloy materials.
Preferably, the shielding strip is a copper foil.
Preferably, the input end of the input filter is used for receiving an external input voltage, the output end of the input filter is electrically connected with the input end of the input control component, the output end of the input control component is electrically connected with the input end of the power factor correction component, the output end of the power factor correction assembly is electrically connected with the input ends of the plurality of direct current-direct current power conversion modules respectively, the output ends of the plurality of direct current-direct current power conversion modules are electrically connected with the signal input ends of the corresponding plurality of adjustment indicating assemblies respectively, the signal output ends of the plurality of adjustment indicating assemblies are electrically connected with the input ends of the corresponding plurality of output filters and the input ends of the corresponding plurality of energy storage capacitors respectively, and the output ends of the plurality of energy storage capacitors and the output ends of the plurality of output filters are electrically connected with the corresponding plurality of direct current output ends.
Preferably, all components in the power supply main body are packaged by adopting heat-conducting silicone rubber.
Preferably, the front panel is provided with a first output area, a second output area and a third output area;
the first output area is provided with a first normal indicator light, a first fault indicator light and a first potential regulator;
the first normal indicator light is used for indicating that the first voltage output is normal;
the first fault indicator is used for indicating that the first voltage output is abnormal;
the first potential regulator is used for regulating the output voltage value of the first voltage;
the second output area is provided with a second normal indicator light, a second fault indicator light and a second potential regulator;
the second normal indicator light is used for indicating that the second voltage output is normal;
the second fault indicator lamp is used for indicating that the second voltage output is abnormal;
the second potential adjuster is used for adjusting the output voltage value of the second voltage;
the third output area is provided with a third normal indicator light, a third fault indicator light and a third potential regulator;
the third normal indicator light is used for indicating that the third voltage output is normal;
the third fault indicator is used for indicating that the third voltage output is abnormal;
the third potential regulator is used for regulating the output voltage value of the third voltage.
The utility model discloses an actively advance the effect and lie in:
the utility model discloses a power supply device, which connects a power supply main body, an upper cover plate, a lower cover plate, a front panel and a rear panel into a whole through bolts, and the edges and the gaps of the power supply main body are shielded by adopting copper foils to form a closed integrated power supply device, thereby inhibiting the interference of external electromagnetism and the leakage of electromagnetism inside the power supply and improving the performance of anti-electromagnetic interference; meanwhile, the sliding rails integrated with the left side and the right side of the main body are inserted into the sliding rails of the mounting assembly, and the power supply device is stably fixed on the mounting assembly through the locking device, so that the anti-seismic performance of the power supply device is improved; all electronic devices are packaged in the power supply by adopting heat-conducting silicon rubber, and meanwhile, the plurality of round ventilation small holes in the front panel, the plurality of cooling fans in the rear panel and the cooling air cavity of the power supply main body are communicated, so that the ventilation and cooling performances of the power supply device are improved.
Drawings
Fig. 1 is a schematic structural diagram of a power supply main body and an upper cover plate of a power supply device according to a preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a lower cover plate of a power supply device according to a preferred embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a front panel of a power supply device according to a preferred embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a rear panel of a power supply device according to a preferred embodiment of the present invention.
Fig. 5 is a schematic structural diagram of the inside of the power supply main body of the power supply device according to the preferred embodiment of the present invention.
Fig. 6 is a schematic diagram of the internal connection of the power supply main body of the power supply apparatus according to the preferred embodiment of the present invention.
Detailed Description
The present invention will be more clearly and completely described below by way of embodiments with reference to the accompanying drawings, and the description of the embodiments is provided to help understanding the present invention, but the present invention is not limited thereto.
As shown in fig. 1 to 5, the power supply device provided by this embodiment includes a power supply main body 1, an upper cover plate 2, a lower cover plate 3, a front panel 4 and a rear panel 5, wherein the upper cover plate 2, the lower cover plate 3, the front panel 4 and the rear panel 5 are all connected with the power supply main body 1 into a whole, and gaps between the power supply main body 1 and the upper cover plate 2, between the power supply main body 1 and the lower cover plate 3, between the power supply main body 1 and the front panel 4, between the power supply main body 1 and the rear panel 5, between the upper cover plate 2 and the front panel 4, between the upper cover plate 2 and the rear panel 5, between the lower cover plate 3 and the front panel 4 and between the lower cover plate 3 and the rear panel 5 are all shielded by using copper foil shielding strips, so that the power supply device forms a. And the external electromagnetism is prevented from entering and the electromagnetism inside the power supply is prevented from leaking.
In this embodiment, as shown in fig. 5, the power supply main body 1 includes a first cavity 11, a second cavity 12, and a third cavity 13, and a stop bar is disposed between the first cavity 11, the second cavity 12, and the third cavity 13, so as to prevent electromagnetic interference between components inside the power supply device; wherein, the stop strip is also made of aluminum alloy. The first cavity 11 is used for configuring an input filter 111, an input control component 112 and a power factor correction component 113; the second cavity 12 is configured with a plurality of dc-dc power conversion modules 121 and a plurality of adjustment indicating assemblies 122; the third cavity 13 is configured with a plurality of output filters 131 and a plurality of storage capacitors 132. The number of output filters 131, the number of storage capacitors 132, and the number of regulation indicating components 122 are the same as the number of dc-dc power conversion modules 121.
In this embodiment, the power supply main body 1, the upper cover plate 2, the lower cover plate 3, the front panel 4, and the rear panel 5 are all made of aluminum alloy. The material has high toughness and strong shock resistance, not only improves the heat dissipation efficiency of the power supply device, but also enhances the electromagnetic shielding effect of the power supply device, effectively inhibits the radiation emission of electromagnetic noise of the power supply device, simultaneously reduces the radiation sensitivity of the power supply device, and enhances the heat transfer capacity of the power supply device by carrying out black oxidation on the surface of the shell of the power supply device.
In this embodiment, the left and right sides of the power supply main body 1 are provided with symmetrical slide rails, wherein the slide rails on the left and right sides are mirror images of each other. The slide rails are integrated with the power supply main body 1, and the slide rails on the left side and the right side of the power supply main body 1 are used for being inserted into the slide ways of the installation assemblies and are fixed through the locking devices. Specifically, when the locking device is in a natural state, the power supply device is inserted into the slide way of the installation component through the slide rails on the two sides of the power supply main body 1, after the installation is completed, the locking device is screwed through the special screwdriver on the two sides of the front panel 4 of the power supply device, and the slide rails of the power supply main body 1 and the slide way of the installation component are fixed through the slide blocks on the two sides of the rear panel 5 of the power supply device, so that no gap exists between the slide rails and the slide way, namely, the power supply device is stably fixed through locking of the slide rails of the power supply main body 1, the impact vibration resistance and the earthquake resistance of the power supply device are enhanced, and the earthquake resistance type.
In this embodiment, at least two power devices may be installed on a set of slides. The mounting assembly may be a 19-inch flange surface, or may be other assemblies for fixing a power supply device, and the power supply device may be mounted in a cabinet or may be mounted on an outdoor bracket, which is not specifically limited herein.
In this embodiment, as shown in fig. 3, the front panel 4 is provided with a plurality of circular ventilation holes 41, four mounting holes 42, a handle 43, a first output area 44, a second output area 45, a third output 46, a manufacturer identifier 47 and a model identifier 48; the first output area 44 is provided with a first normal indicator light 441, a first fault indicator light 442 and a first potential adjuster 443; the second output section 45 second normal indicator lamp 451, second failure indicator lamp 452, and second level adjuster 453; the third output 46 is provided with a third normal indicator lamp 461, a third fault indicator lamp 462 and a third potential adjuster 463.
Specifically, the plurality of circular vent holes 41 are disposed on the lower side of the front panel 4, the four mounting holes 42 are disposed on the left and right sides of the front panel 4 in a pairwise symmetry manner, the handles 43 are disposed on the inner sides of the left and right mounting holes 42 of the front panel 4 in a symmetry manner, and the positions of the first output region 44, the second output region 45, the third output region 46, the manufacturer identifier 47, and the model identifier 48 in the front panel 4 are not specifically limited.
In this embodiment, the aperture of the circular vent hole 41 is smaller than 5 mm, which prevents the electromagnetic wave inside the power supply device from leaking outside the circular vent hole and causing electromagnetic interference to the outside, and also prevents the electromagnetic wave outside from entering the power supply device through the circular vent hole and causing electromagnetic interference to the power supply device.
In this embodiment, the front panel 4 of the power supply device is provided with the normal indicator light and the fault indicator light for each voltage output, which facilitates monitoring of the operating state of the power supply device, and each voltage output is provided with the potential regulator, which facilitates regulation of each output voltage. The left side and the right side of the front panel 4 are respectively provided with a handle, so that the power supply device is convenient to mount and dismount.
In this embodiment, as shown in fig. 4, the rear panel 5 is provided with a plurality of heat dissipation fans 51, a DC24V/48V output terminal 52, a DC12V output terminal 53, an ac input terminal 54, a control signal connection terminal 55 and a terminal identifier 56.
In this embodiment, the power supply main body 1, the upper cover plate 2, the lower cover plate 3, the front panel 4, and the rear panel 5 form a closed air duct, the circular ventilation hole 41, the air duct, and the heat dissipation fan 51 are communicated, external air enters the power supply device from the circular ventilation hole 41 of the front panel, flows into the rear panel 5 through the closed air duct, and the heat dissipation fan 51 in the rear panel 5 discharges heat inside the power supply device, thereby reducing the temperature of the power supply device, and improving the heat dissipation efficiency and reliability of the power supply device.
The power supply device is internally provided with components with good heat resistance and thermal stability preferentially, so that the components are ensured to be at the allowable working temperature. And a low-power execution component is selected, so that the internal heat productivity is reduced. Reducing the temperature of its power supply device. The components and parts in the power supply main body 1 are packaged by adopting heat-conducting silicon rubber, and the damp-heat environment resistance and the earthquake resistance of the power supply device are enhanced while the components and parts are fixed and the heat of the power supply device is led out.
In this embodiment, an input end of the input filter 111 is configured to receive an external input voltage, an output end of the input filter 111 is electrically connected to an input end of the input control component 112, an output end of the input control component 112 is electrically connected to an input end of the power factor correction component 113, output ends of the power factor correction component 113 are electrically connected to input ends of the plurality of dc-dc power conversion modules 121, output ends of the plurality of dc-dc power conversion modules 121 are electrically connected to signal input ends of the corresponding plurality of adjustment indication components 122, signal output ends of the plurality of adjustment indication components 122 are electrically connected to input ends of the corresponding plurality of output filters 131 and input ends of the corresponding plurality of energy storage capacitors 132, and output ends of the plurality of energy storage capacitors 132 and output ends of the plurality of output filters 131 are electrically connected to the corresponding plurality of dc output ends.
In this embodiment, as shown in fig. 6, taking three dc-dc power conversion modules 121 as an example, which respectively input voltages of 12V, 24V and 48V, specifically, a first dc-dc power conversion module 1211 corresponds to the first output region 44 and outputs a first voltage of 12V, a second dc-dc power conversion module 1212 corresponds to the second output region 45 and outputs a second voltage of 24V, and a third dc-dc power conversion module 1213 corresponds to the third output region 46 and outputs a third voltage of 48V; the plurality of dc-dc power conversion modules 121 may also output voltages of other levels, which is not limited herein.
Specifically, an external high-level ac voltage (for example, 220V ac voltage) is input to the input filter 111 for filtering, the input filter 111 suppresses other voltages interfering with the external high-level ac voltage, the filtered high-level ac voltage is converted into a low-level ac voltage through the input control component 112, and the low-level ac voltage is identified and corrected by the power factor correction component 113, and then the normal low-level ac voltage is input to the first dc-dc power conversion module 1211, the second dc-dc power conversion module 1212, and the third dc-dc power conversion module 1213, respectively, the first dc-dc power conversion module 1211 inputs a 12V voltage to the first output filter 1311 through the first adjustment indication component 1221 after the isolation step-down conversion, the first output filter 1311 performs filtering, if the filtered output voltage is 12V, the first normal indicator light 441 is turned on, if the filtered output voltage is greater than or less than 12V, the first fault indicator light 442 is turned on, and meanwhile, the first potential adjuster 443 fine-adjusts the voltage greater than or less than 12V to 12V for output, at this time, the first fault indicator light 442 is turned off, and the first normal indicator light 441 is turned on; meanwhile, the first dc-dc power conversion module 1211 inputs the 12V voltage into the first energy storage capacitor 1321 for storage after isolated step-down conversion and supplies the voltage for emergency; the second dc-dc power conversion module 1212 inputs the second adjustment indicating component 1222 of 24V voltage into the second output filter 1312 after the isolation step-down conversion, the second output filter 1312 performs filtering, if the filtered output voltage is 24V, the second normal indicator lamp 451 is on, if the filtered output voltage is greater than or less than 24V, the second fault indicator lamp 452 is on, and the second level adjuster 453 fine-adjusts the voltage greater than or less than 24V to 24V for output, at this time, the second fault indicator lamp 452 is off, and the second normal indicator lamp 451 is on; meanwhile, the second dc-dc power conversion module 1212 inputs the 24V voltage into the second energy storage capacitor 1322 for storage after isolated step-down conversion and supplies the voltage for emergency use; the third dc-dc power conversion module 1213 inputs the 48V voltage third adjustment indicating component 1223 to the third output filter 1313 after isolated step-down conversion, the third output filter 1313 performs filtering, if the filtered output voltage is 48V, the third normal indicator light 461 is on, if the filtered output voltage is greater than or less than 48V, the third fault indicator light 462 is on, and at the same time, the third potential adjuster 463 fine-adjusts the voltage greater than or less than 48V to 48V for output, at this time, the third fault indicator light 462 is off, and the third normal indicator light 461 is on; meanwhile, the third dc-dc power conversion module 1213 converts the voltage of 48V by isolation step-down and then inputs the voltage into the third energy storage capacitor 1323 for storage and emergency use.
In the embodiment, the input filter and the output filter are respectively arranged at the input end and the output end, so that the interference of the external voltage on the input voltage of the power supply device can be inhibited through the input filter, the interference of the internal output voltage of the power supply device on the outside can be inhibited through the output filter, the quality of the output voltage of the power supply device is improved, and the dynamic response capability of the output of the power supply device is enhanced.
In the embodiment, the power supply main body, the upper cover plate, the lower cover plate, the front panel and the rear panel are connected into a whole through the bolts, and the edges and the gaps of the power supply main body are shielded by adopting the copper foil to form a closed integrated power supply device, so that the external electromagnetic interference and the external leakage of the electromagnetic waves in the power supply are inhibited, and the anti-electromagnetic interference performance is improved; meanwhile, the sliding rails integrated with the left side and the right side of the main body are inserted into the sliding rails of the mounting assembly, and the power supply device is stably fixed on the mounting assembly through the locking device, so that the anti-seismic performance of the power supply device is improved; all electronic devices are packaged in the power supply by adopting heat-conducting silicon rubber, and meanwhile, the plurality of round ventilation small holes in the front panel, the plurality of cooling fans in the rear panel and the cooling air cavity of the power supply main body are communicated, so that the ventilation and cooling performances of the power supply device are improved.
Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (9)
1. A power supply device is characterized by comprising a power supply main body, an upper cover plate, a lower cover plate, a front panel and a rear panel, wherein the upper cover plate, the lower cover plate, the front panel and the rear panel are all connected with the power supply main body into a whole; the power supply main body comprises a first cavity, a second cavity and a third cavity, and stop bars are arranged among the first cavity, the second cavity and the third cavity;
the first cavity is used for configuring an input filter, an input control component and a power factor correction component;
the second cavity is used for configuring a plurality of direct current-direct current power conversion modules and a plurality of adjustment indicating assemblies;
the third cavity is configured to configure a plurality of output filters and a plurality of energy storage capacitors.
2. The power supply device according to claim 1, wherein the power supply body is provided with slide rails on both left and right sides thereof, the slide rails are integrated with the power supply body, and the slide rails on both left and right sides of the power supply body are used for being inserted into the slide ways of the mounting assembly and fixed by a locking device.
3. The power supply device according to claim 1, wherein the front panel is provided with a plurality of circular ventilation holes, the rear panel is provided with a plurality of heat dissipation fans, the power supply main body forms a closed air duct with the upper cover plate, the lower cover plate, the front panel and the rear panel, and the circular ventilation holes, the air duct and the heat dissipation fans are communicated.
4. The power supply device of claim 3, wherein the circular vent has an aperture of less than 5 mm.
5. The power supply device according to claim 1, wherein the power supply main body, the upper cover plate, the lower cover plate, the front plate, the rear plate, and the stopper are made of an aluminum alloy.
6. The power supply device according to claim 1, wherein the shield strip is a copper foil.
7. The power supply apparatus according to claim 1, wherein an input terminal of the input filter is configured to receive an external input voltage, an output terminal of the input filter is electrically connected to an input terminal of the input control module, an output terminal of the input control module is electrically connected to an input terminal of the power factor correction module, an output terminal of the power factor correction module is electrically connected to input terminals of the plurality of dc-dc power conversion modules, output terminals of the plurality of dc-dc power conversion modules are electrically connected to signal input terminals of the corresponding plurality of adjustment indicating modules, signal output terminals of the plurality of adjustment indicating modules are electrically connected to input terminals of the corresponding plurality of output filters and input terminals of the corresponding plurality of energy storage capacitors, and output terminals of the plurality of energy storage capacitors and output terminals of the plurality of output filters are electrically connected to corresponding plurality of dc output terminals And (6) electrically connecting.
8. The power supply device of claim 1, wherein components in the power supply body are encapsulated with thermally conductive silicone rubber.
9. The power supply device according to claim 1, wherein the front panel is provided with a first output region, a second output region, and a third output region;
the first output area is provided with a first normal indicator light, a first fault indicator light and a first potential regulator;
the first normal indicator light is used for indicating that the first voltage output is normal;
the first fault indicator is used for indicating that the first voltage output is abnormal;
the first potential regulator is used for regulating the output voltage value of the first voltage;
the second output area is provided with a second normal indicator light, a second fault indicator light and a second potential regulator;
the second normal indicator light is used for indicating that the second voltage output is normal;
the second fault indicator lamp is used for indicating that the second voltage output is abnormal;
the second potential adjuster is used for adjusting the output voltage value of the second voltage;
the third output area is provided with a third normal indicator light, a third fault indicator light and a third potential regulator;
the third normal indicator light is used for indicating that the third voltage output is normal;
the third fault indicator is used for indicating that the third voltage output is abnormal;
the third potential regulator is used for regulating the output voltage value of the third voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022429172.4U CN213151900U (en) | 2020-10-27 | 2020-10-27 | Power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022429172.4U CN213151900U (en) | 2020-10-27 | 2020-10-27 | Power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213151900U true CN213151900U (en) | 2021-05-07 |
Family
ID=75721681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022429172.4U Active CN213151900U (en) | 2020-10-27 | 2020-10-27 | Power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213151900U (en) |
-
2020
- 2020-10-27 CN CN202022429172.4U patent/CN213151900U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201131091Y (en) | Motor controller casing | |
| CN202262174U (en) | Full-sealed air cooling electronic equipment case | |
| CN104619154A (en) | Electric automobile auxiliary control device | |
| CN213151900U (en) | Power supply device | |
| CN216960425U (en) | High-frequency power rectifier | |
| CN216214772U (en) | High-adaptability laser functional module structure | |
| CN114650695A (en) | Automatic heat sink of electrical equipment | |
| CN213126873U (en) | Heat dissipation device and power supply for air-cooling heat dissipation of IGBT power module | |
| CN210986776U (en) | Outdoor cabinet air conditioner with emergency heat dissipation function | |
| CN214281939U (en) | Automatic heat sink of electrical equipment | |
| CN212277646U (en) | Uninterruptible power supply | |
| CN219203912U (en) | High-efficient heat dissipation formula regulator cubicle | |
| CN217769890U (en) | VPX machine case alternating current power supply unit | |
| CN215732822U (en) | Assembled switch board | |
| CN212366606U (en) | Direct current screen convenient to heat dissipation | |
| CN216905715U (en) | Novel high-efficient heat dissipation of power strip processing device | |
| CN216625371U (en) | Multi-surplus power supply system for aircraft | |
| CN221040756U (en) | Overheat-preventing voltage stabilizing transformer | |
| CN110486852B (en) | Automatically controlled subassembly, off-premises station and air conditioner | |
| CN218867761U (en) | Control cabinet for electric automatization | |
| CN220022637U (en) | Power supply converter | |
| CN219304303U (en) | Low-voltage dynamic filtering compensation device | |
| CN112309710A (en) | Capacitor module mounting mode of power supply equipment | |
| CN219718716U (en) | Power supply mounting bracket | |
| CN203617917U (en) | Switching power supply capable of dissipating heat easily |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |