CN220190681U - Waterproof dirt-proof DC power converter of high-efficient heat dissipation - Google Patents
Waterproof dirt-proof DC power converter of high-efficient heat dissipation Download PDFInfo
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- CN220190681U CN220190681U CN202321329455.9U CN202321329455U CN220190681U CN 220190681 U CN220190681 U CN 220190681U CN 202321329455 U CN202321329455 U CN 202321329455U CN 220190681 U CN220190681 U CN 220190681U
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- heat dissipation
- power converter
- water absorption
- absorption pad
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 82
- 238000010521 absorption reaction Methods 0.000 claims abstract description 56
- 238000009434 installation Methods 0.000 claims abstract description 46
- 230000005855 radiation Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 abstract description 11
- 238000001816 cooling Methods 0.000 description 20
- 230000000694 effects Effects 0.000 description 15
- 239000000428 dust Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002745 absorbent Effects 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the field of power converters, and discloses a high-efficiency heat-dissipation waterproof dustproof DC power converter. The utility model discloses a high-efficiency heat-dissipation waterproof dustproof DC power supply converter, which comprises a DC power supply converter heat dissipation shell, wherein a plurality of shell heat dissipation fins are fixedly arranged on the upper side of the DC power supply converter heat dissipation shell, a plurality of shell heat dissipation fins are fixedly arranged on the left side of the DC power supply converter heat dissipation shell, an oblique air inlet hole is formed in the right side of the DC power supply converter heat dissipation shell, a sliding groove is formed in one end, close to the oblique air inlet hole, of the front side of the DC power supply converter heat dissipation shell, a water absorption pad installation shell is slidably connected in the sliding groove of the DC power supply converter heat dissipation shell, and a heat dissipation fan is fixedly arranged in the left side of the water absorption pad installation shell. The device is provided with a plurality of radiating fins matched with the radiating fan to efficiently radiate heat, and a replaceable waterproof and dustproof structure is added at the positions of the radiating ventilation holes, so that the device has a better working environment in work.
Description
Technical Field
The utility model belongs to the technical field of power converters, and particularly relates to a high-efficiency heat-dissipation waterproof dustproof DC power converter.
Background
The DC/DC converter is a voltage converter that converts an input voltage and then efficiently outputs a fixed voltage. DC/DC converters fall into three categories: step-up DC/DC converter, step-down DC/DC converter, and step-up DC/DC converter. Three types of control can be used according to the requirements. PWM control is efficient and has good output voltage ripple and noise. PFM control has an advantage of low power consumption even when used for a long period of time, especially at a small load. The working voltage of the motor and the electricity consumption of the whole vehicle electric appliance are subjected to DC/DC conversion, and the DC/DC converter is always in a working state. In order to ensure that the DC/DC converter has a stable and well-radiating working environment when the vehicle is moving, the design of the radiating structure of the DC/DC converter is particularly important. The existing DC converter has problems of poor sealing property and poor thermal conductivity due to design reasons, which are required to keep the inside clean while ensuring normal temperature.
The utility model discloses a high-efficient radiating vehicle power converter in patent of bulletin number CN218888417U relates to vehicle power converter field, including the power converter body, first radiating groove has been seted up at the back at power converter body top, the second radiating groove has been seted up to the positive symmetry at power converter body left and right sides, the positive fixedly connected with mounting structure at power converter body top, the positive fixedly connected with wireless charging base at mounting structure top, the left and right sides symmetry swing joint of wireless charging base has the grip block, the left and right sides symmetry fixedly connected with of power converter body bottom is raised the seat, the top fixedly connected with radiator fan of the opposite one side of two raised seats. The vehicle-mounted power supply converter with high heat dissipation performance has a good heat dissipation effect, can prevent dust and sundries from entering, and is provided with the wireless charging base, so that the mobile phone can be charged conveniently.
However, the power converter of the application lacks a corresponding waterproof structure, and if moisture enters the power converter from the ventilation holes of the heat dissipation holes, the power can be short-circuited, resulting in equipment damage.
Disclosure of Invention
The utility model aims at: in order to solve the problem that the power converter lacks a corresponding waterproof structure, if moisture enters the power converter from the vent holes of the radiating holes, the power is possibly short-circuited, and equipment is damaged, the DC power converter with high efficiency, heat dissipation, water resistance and dust resistance is provided.
The technical scheme adopted by the utility model is as follows: the utility model provides a waterproof dirt-proof DC power supply converter of high-efficient heat dissipation, includes DC power supply converter shell, DC power supply converter shell's upside fixed mounting has a plurality of casing fin, DC power supply converter shell's left side fixed mounting has a plurality of casing fin, the slant inlet port has been seted up on DC power supply converter shell's right side, the spout has been seted up to DC power supply converter shell's front side near the one end of slant inlet port, DC power supply converter shell's spout sliding connection has the pad installation shell that absorbs water, the top fixedly connected with protruding board of pad installation shell, protruding board embedding DC power supply converter shell's spout is in, the mounting hole has been seted up to the inboard of pad installation shell that absorbs water, the inside grafting of mounting hole has the dead lever, the other end fixedly connected with pad that absorbs water of mounting hole is kept away from to the dead lever, the right side laminating of pad installation shell has the slant inlet port, the inside of DC power supply converter shell and the pad installation shell that absorbs water just is located the left side of the inside of pad installation shell that absorbs water of pad installation fan.
Through adopting above-mentioned technical scheme, present on-vehicle DC power converter often can install cooling fan and leave corresponding louvre and bleeder vent in order to improve the heat-sinking capability, but if add waterproof measure on this basis and just can lead to equipment to advance water and let the circuit short circuit break down, this device has added waterproof dustproof construction, lets equipment be used for better operational environment in the use. The top and the left side of DC power converter heat dissipation shell's a plurality of casing fin that install can dispel the heat to the equipment shell, improves radiating efficiency, and the structure of casing fin is "nearly" style of calligraphy, can increase the contact space with the air, increases radiating area, improves radiating speed. The right side of the radiating shell of the DC power converter is provided with an inclined air inlet hole for ventilation of an internal radiating fan, and the design of the inclined air inlet hole can enable air to enter the equipment, but water flow is difficult to enter, so that a certain waterproof effect is achieved. The water absorption pad installation shell arranged at the left end of the oblique air inlet can slide back and forth in the DC power converter heat dissipation shell, so that the water absorption pad inside the water absorption pad installation shell can be replaced conveniently. The water absorption pad absorbs moisture and dust on the air entering from the oblique air inlet hole, so that the waterproof and dustproof effects are further improved. The cooling fan installed on the left side of the water absorption pad can accelerate air flow for the inside of the equipment, and the cooling efficiency of the equipment is improved.
In a preferred embodiment, a circuit board is fixedly mounted at the bottom end of the inside of the heat dissipation housing of the DC power converter and at the left side of the heat dissipation fan.
Through adopting above-mentioned technical scheme, the air outlet of radiator fan is right opposite the side of circuit board, can dispel the heat fast to the circuit board, improves good operational environment for equipment.
In a preferred embodiment, a lock body plate is fixedly arranged at the front end of the heat dissipation shell of the DC power converter and positioned at the left side of the water absorption pad installation shell, and a lock hole is formed in the surface of the lock body plate.
Through adopting above-mentioned technical scheme, the lock body board is used for fixed absorbent pad installation shell's position, and lockhole department can insert the key, contacts the locking of lock body board to absorbent pad installation shell. The locking water absorbing pad installation shell can be used for placing moisture and dust entering the equipment, so that the safety of the equipment is affected.
In a preferred embodiment, the lock cylinder is rotatably connected to the rear end of the lock body plate, a positioning hole is formed in the side end, close to the lock body plate, of the water absorption pad mounting shell, and the lock cylinder is inserted into the positioning hole.
Through adopting above-mentioned technical scheme, when needs open the pad installation shell that absorbs water, when carrying out the change pad that absorbs water, can insert the lockhole internal rotation lock core with the key, shift out the lock core from the locating hole of pad installation shell that absorbs water in, the contact is spacing to pad installation shell that absorbs water. When the water absorption pad is required to be replaced, the water absorption pad installation shell can be pushed back to the inside of the heat dissipation shell of the DC power converter, the lock cylinder is rotated to the positioning hole, and locking is completed on the water absorption pad installation shell again.
In a preferred embodiment, the front end of the DC power converter heat dissipation housing is fixedly connected with a mounting plate on the left side of the lock body plate, the surface of the mounting plate is in threaded connection with a screw, and the mounting plate is fixedly connected with the DC power converter heat dissipation housing through the screw.
Through adopting above-mentioned technical scheme, the mounting panel passes through screw fixed connection in DC power converter heat dissipation shell's front end, plays the effect of protection. When the mounting plate is removed, the circuit board inside the heat dissipation shell of the DC power converter can be maintained and replaced.
In a preferred embodiment, the surface of the mounting plate is fixedly provided with a protective plate.
Through adopting above-mentioned technical scheme, the protection shield can play the effect of protection to the power connection mouth department of power converter, plays waterproof dirt-proof effect.
In a preferred embodiment, the surface of the protection plate is provided with a jack.
Through adopting above-mentioned technical scheme, the jack is used for pegging graft the electric wire, and embedded guard shield design can improve waterproof dirt-proof effect.
In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:
in the utility model, the existing vehicle-mounted DC power supply converter is often provided with the cooling fan and the corresponding cooling holes and ventilation holes for improving the cooling capacity, but if a waterproof measure is not added on the basis, the device can possibly cause water inflow to cause a circuit short circuit to be failed, and the device is added with the waterproof and dustproof structure, so that the device is used in a better working environment in the use process. The top and the left side of DC power converter heat dissipation shell's a plurality of casing fin that install can dispel the heat to the equipment shell, improves radiating efficiency, and the structure of casing fin is "nearly" style of calligraphy, can increase the contact space with the air, increases radiating area, improves radiating speed. The right side of the radiating shell of the DC power converter is provided with an inclined air inlet hole for ventilation of an internal radiating fan, and the design of the inclined air inlet hole can enable air to enter the equipment, but water flow is difficult to enter, so that a certain waterproof effect is achieved. The water absorption pad installation shell arranged at the left end of the oblique air inlet can slide back and forth in the DC power converter heat dissipation shell, so that the water absorption pad inside the water absorption pad installation shell can be replaced conveniently. The water absorption pad absorbs moisture and dust on the air entering from the oblique air inlet hole, so that the waterproof and dustproof effects are further improved. The cooling fan installed on the left side of the water absorption pad can accelerate air flow for the inside of the equipment, and the cooling efficiency of the equipment is improved. The device is provided with a plurality of radiating fins matched with the radiating fan to efficiently radiate heat, and a replaceable waterproof and dustproof structure is added at the positions of the radiating ventilation holes, so that the device has a better working environment in work.
Drawings
Fig. 1 is an overall structure diagram of a DC power converter with efficient heat dissipation, water resistance, and dust resistance in the present utility model;
FIG. 2 is a schematic diagram of a mounting case for a pad and a portion of the mounting case for a pad according to the present utility model;
FIG. 3 is a diagram showing a right-side heat dissipation hole of a power converter according to the present utility model;
fig. 4 is an internal plan view of a DC power converter with efficient heat dissipation, water and dust resistance in accordance with the present utility model.
The marks in the figure: 1. a DC power converter heat dissipation case; 2. a housing fin; 3. a mounting plate; 4. a water absorption pad mounting shell; 5. a screw; 6. a protective plate; 7. a jack; 8. a convex plate; 9. positioning holes; 10. a mounting hole; 11. a lock body plate; 12. a lock hole; 13. a lock core; 14. a water absorbing pad; 15. a fixed rod; 16. oblique air inlet holes; 17. a heat radiation fan; 18. a circuit board.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples:
referring to fig. 1-4, a high-efficiency heat-dissipation waterproof dustproof DC power converter comprises a DC power converter heat dissipation shell 1, a plurality of shell heat dissipation fins 2 are fixedly arranged on the upper side of the DC power converter heat dissipation shell 1, a plurality of shell heat dissipation fins 2 are fixedly arranged on the left side of the DC power converter heat dissipation shell 1, an oblique air inlet 16 is formed in the right side of the DC power converter heat dissipation shell 1, a sliding groove is formed in one end, close to the oblique air inlet 16, of the front side of the DC power converter heat dissipation shell 1, a water absorption pad installation shell 4 is connected in the sliding groove of the DC power converter heat dissipation shell 1 in a sliding manner, a convex plate 8 is fixedly connected to the top of the water absorption pad installation shell 4, the convex plate 8 is embedded in the sliding groove of the DC power converter heat dissipation shell 1, a mounting hole 10 is formed in the inner side of the water absorption pad installation shell 4, a fixing rod 15 is inserted into the inside of the mounting hole 10, a water absorption pad 14 is fixedly connected to the other end, the water absorption pad installation shell 4 is fixedly connected with the water absorption pad 14 through the fixing rod 15, the right side of the water absorption pad installation shell 4 is attached to the oblique air inlet 16, and the water absorption pad installation shell 1 is arranged on the left side of the inside of the water absorption pad installation shell 1, and the water absorption pad installation shell is arranged on the inside the heat dissipation fan 17. The current vehicle-mounted DC power converter is often installed on a cooling fan and provided with corresponding cooling holes and ventilation holes in order to improve the cooling capacity, but if waterproof measures are not added on the basis, equipment water inflow can possibly be caused to cause a circuit short circuit to be failed, and the device is added with a waterproof and dustproof structure, so that the equipment is used in a better working environment in the use process.
The top and the left side of the DC power converter heat dissipation shell 1 are provided with a plurality of shell cooling fins 2 which can dissipate heat of the equipment shell, so that the heat dissipation efficiency is improved, the structure of the shell cooling fins 2 is in a shape of a Chinese character 'ji', the contact space with air can be increased, the heat dissipation area is increased, and the heat dissipation speed is improved. The right side of the heat dissipation shell 1 of the DC power converter is provided with an inclined air inlet 16 for ventilation of an internal heat dissipation fan 17, and the design of the inclined air inlet 16 can enable air to enter the equipment, but water flow is difficult to enter, so that a certain waterproof effect is achieved. The water absorption pad installation shell 4 arranged at the left end of the inclined air inlet hole 16 can slide back and forth in the DC power converter heat dissipation shell 1, so that the water absorption pad 14 in the water absorption pad installation shell 4 can be replaced conveniently. The water absorbing pad 14 absorbs moisture and dust on the air entering from the inclined air inlet hole 16, so that the waterproof and dustproof effects are further improved. The heat dissipation fan 17 arranged on the left side of the water absorption pad 14 can accelerate air flow for the inside of the equipment, and improves the heat dissipation efficiency of the equipment.
Referring to fig. 4, a circuit board 18 is fixedly installed at the left side of the cooling fan 17 at the inner bottom end of the dc power converter cooling case 1. The air outlet of the heat radiation fan 17 is opposite to the side end of the circuit board 18, so that the circuit board 18 can be rapidly radiated, and a good working environment is improved for equipment.
Referring to fig. 1 and 2, a lock body plate 11 is fixedly installed at the front end of the heat dissipation housing 1 of the dc power converter and at the left side of the water absorption pad installation housing 4, and a locking hole 12 is opened at the surface of the lock body plate 11. The lock body plate 11 is used for fixing the position of the water absorption pad installation shell 4, a key can be inserted into the lock hole 12, and the lock body plate 11 is contacted to lock the water absorption pad installation shell 4. The locking water absorption pad installation shell 4 can be used for placing moisture and dust entering the equipment, so that the safety of the equipment is affected.
Referring to fig. 2, a lock cylinder 13 is rotatably connected to the rear end of the lock body plate 11, a positioning hole 9 is formed in the side end, close to the lock body plate 11, of the water absorption pad mounting shell 4, and the lock cylinder 13 is inserted into the positioning hole 9. When the water absorption pad installation shell 4 is required to be opened and the water absorption pad 14 is replaced, a key can be inserted into the lock hole 12 to rotate the lock cylinder 13, the lock cylinder 13 is moved out of the positioning hole 9 of the water absorption pad installation shell 4, and the water absorption pad installation shell 4 is limited by contact. When the water absorption pad 14 needs to be replaced, the water absorption pad installation shell 4 can be pushed back to the inside of the heat dissipation shell 1 of the DC power converter, the lock cylinder 13 is rotated to the positioning hole 9, and locking of the water absorption pad installation shell 4 is completed again.
Referring to fig. 1, a mounting plate 3 is fixedly connected to the front end of a DC power converter heat dissipation case 1 and located on the left side of a lock body plate 11, screws 5 are screwed to the surface of the mounting plate 3, and the mounting plate 3 is fixedly connected to the DC power converter heat dissipation case 1 through the screws 5. The mounting plate 3 is fixedly connected to the front end of the DC power converter heat dissipation shell 1 through screws 5, so that the protection effect is achieved. When the mounting plate 3 is removed, the circuit board 18 inside the DC power converter heat dissipation case 1 can be repaired and replaced.
Referring to fig. 1, a protection plate 6 is fixedly installed on the surface of the installation plate 3. The protection board 6 can protect the power connection port of the power converter and has the functions of water resistance and dust resistance.
Referring to fig. 1, the surface of the protection plate 6 is provided with insertion holes 7. The jack 7 is used for plugging in the electric wire, and the waterproof and dustproof effects can be improved through the embedded shield design.
The implementation principle of the embodiment of the DC power converter with high efficiency heat dissipation, water resistance and dust resistance is as follows: the current vehicle-mounted DC power converter is often installed on a cooling fan and provided with corresponding cooling holes and ventilation holes in order to improve the cooling capacity, but if waterproof measures are not added on the basis, equipment water inflow can possibly be caused to cause a circuit short circuit to be failed, and the device is added with a waterproof and dustproof structure, so that the equipment is used in a better working environment in the use process. The top and the left side of the DC power converter heat dissipation shell 1 are provided with a plurality of shell cooling fins 2 which can dissipate heat of the equipment shell, so that the heat dissipation efficiency is improved, the structure of the shell cooling fins 2 is in a shape of a Chinese character 'ji', the contact space with air can be increased, the heat dissipation area is increased, and the heat dissipation speed is improved. The right side of the heat dissipation shell 1 of the DC power converter is provided with an inclined air inlet 16 for ventilation of an internal heat dissipation fan 17, and the design of the inclined air inlet 16 can enable air to enter the equipment, but water flow is difficult to enter, so that a certain waterproof effect is achieved. The water absorption pad installation shell 4 arranged at the left end of the inclined air inlet hole 16 can slide back and forth in the DC power converter heat dissipation shell 1, so that the water absorption pad 14 in the water absorption pad installation shell 4 can be replaced conveniently. The water absorbing pad 14 absorbs moisture and dust on the air entering from the inclined air inlet hole 16, so that the waterproof and dustproof effects are further improved. The heat dissipation fan 17 arranged on the left side of the water absorption pad 14 can accelerate air flow for the inside of the equipment, and improves the heat dissipation efficiency of the equipment. The device is provided with a plurality of radiating fins matched with the radiating fan to efficiently radiate heat, and a replaceable waterproof and dustproof structure is added at the positions of the radiating ventilation holes, so that the device has a better working environment in work.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. The utility model provides a waterproof dirt-proof DC power converter of high-efficient heat dissipation, includes DC power converter heat dissipation shell (1), its characterized in that: the upper side of the DC power supply converter radiating shell (1) is fixedly provided with a plurality of shell radiating fins (2), the left side of the DC power supply converter radiating shell (1) is fixedly provided with a plurality of shell radiating fins (2), the right side of the DC power supply converter radiating shell (1) is provided with an oblique air inlet hole (16), one end, close to the oblique air inlet hole (16), of the front side of the DC power supply converter radiating shell (1) is provided with a sliding groove, the sliding groove of the DC power supply converter radiating shell (1) is internally provided with a water absorption pad mounting shell (4), the top of the water absorption pad mounting shell (4) is fixedly connected with a convex plate (8), the convex plate (8) is embedded into the sliding groove of the DC power supply converter radiating shell (1), the inner side of the water absorption pad mounting shell (4) is provided with a mounting hole (10), the inner side of the mounting hole (10) is provided with a fixed rod (15), the other end, far away from the mounting hole (10), of the fixed rod (15) is fixedly connected with a water absorption pad (14), the water absorption pad mounting shell (4) is fixedly connected with the air inlet hole (16) through the fixed rod (15), a heat radiation fan (17) is fixedly arranged in the DC power converter heat radiation shell (1) and positioned on the left side of the water absorption pad installation shell (4).
2. The high efficiency heat dissipating, waterproof and dustproof DC power converter of claim 1, wherein: the circuit board (18) is fixedly arranged at the left side of the radiating fan (17) and positioned at the bottom end of the inside of the radiating shell (1) of the DC power converter.
3. The high efficiency heat dissipating, waterproof and dustproof DC power converter of claim 1, wherein: the front end of the DC power converter radiating shell (1) and the left side of the water absorption pad mounting shell (4) are fixedly provided with a lock body plate (11), and the surface of the lock body plate (11) is provided with a lock hole (12).
4. A high efficiency heat dissipating, waterproof and dustproof DC power converter as set forth in claim 3, wherein: the lock is characterized in that the lock cylinder (13) is rotationally connected to the rear end of the lock body plate (11), a positioning hole (9) is formed in the side end, close to the lock body plate (11), of the water absorption pad installation shell (4), and the lock cylinder (13) is inserted into the positioning hole (9).
5. The high efficiency heat dissipating, waterproof and dustproof DC power converter of claim 1, wherein: the front end of the DC power converter heat dissipation shell (1) is fixedly connected with a mounting plate (3) which is positioned on the left side of the lock body plate (11), the surface of the mounting plate (3) is connected with a screw (5) in a threaded manner, and the mounting plate (3) is fixedly connected with the DC power converter heat dissipation shell (1) through the screw (5).
6. The high efficiency heat dissipating, waterproof and dustproof DC power converter of claim 5, wherein: the surface of the mounting plate (3) is fixedly provided with a protection plate (6).
7. The high efficiency heat dissipating, waterproof and dustproof DC power converter of claim 6, wherein: the surface of the protection board (6) is provided with a jack (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321329455.9U CN220190681U (en) | 2023-05-30 | 2023-05-30 | Waterproof dirt-proof DC power converter of high-efficient heat dissipation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321329455.9U CN220190681U (en) | 2023-05-30 | 2023-05-30 | Waterproof dirt-proof DC power converter of high-efficient heat dissipation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220190681U true CN220190681U (en) | 2023-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321329455.9U Active CN220190681U (en) | 2023-05-30 | 2023-05-30 | Waterproof dirt-proof DC power converter of high-efficient heat dissipation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220190681U (en) |
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2023
- 2023-05-30 CN CN202321329455.9U patent/CN220190681U/en active Active
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