CN111741636A - High-strength PBT/PC plastic alloy shell for household appliances - Google Patents
High-strength PBT/PC plastic alloy shell for household appliances Download PDFInfo
- Publication number
- CN111741636A CN111741636A CN202010763971.7A CN202010763971A CN111741636A CN 111741636 A CN111741636 A CN 111741636A CN 202010763971 A CN202010763971 A CN 202010763971A CN 111741636 A CN111741636 A CN 111741636A
- Authority
- CN
- China
- Prior art keywords
- side wall
- heat dissipation
- pbt
- cover plate
- plastic alloy
- 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.)
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- 239000000956 alloy Substances 0.000 title claims abstract description 20
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 20
- 230000017525 heat dissipation Effects 0.000 claims abstract description 72
- 238000001746 injection moulding Methods 0.000 claims description 5
- 239000000428 dust Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20127—Natural convection
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Air-Flow Control Members (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a high-strength PBT/PC plastic alloy shell for a household appliance, which comprises a top wall, a bottom wall, a rear side wall, a left side wall and a right side wall, wherein a heat dissipation cavity is formed by enclosing the top wall, the bottom wall, the rear side wall, the left side wall and the right side wall, a heat dissipation hole is formed in the top wall, a heat dissipation cover plate is arranged on the heat dissipation hole, the heat dissipation cover plate is connected with a support rod, the support rod extends into the heat dissipation cavity, a thermal bimetal is arranged on the left side wall and/or the right side wall, and the thermal bimetal is connected with the support rod.
Description
Technical Field
The invention belongs to the field of household appliances, and particularly relates to a high-strength PBT/plastic alloy shell of a household appliance.
Background
Most electrical apparatus can generate heat after a long time, consequently need in time dispel the heat just can guarantee the normal operating of electrical apparatus, most electrical apparatus heat dissipation requirement is higher, because the restriction of electrical apparatus itself volume, like present domestic smart television, its thickness is more and more thin, but the performance is strong, the consumption is big, calorific capacity is many, because the space is little, can't install initiative radiating fan usually, the heat dissipation of present TV casing sets up a plurality of louvres at the trailing flank of its casing usually.
Some TV's louvre level is towards the wall behind the TV, this kind of mode is unfavorable for the flow of steam, the louvre in addition is vertical upwards, make the heat upwards flow along its natural motion direction, this kind of mode heat dissipation is very fast, nevertheless this louvre also becomes the entry that the dust got into in the family, especially when the TV is placed at horizontal use, dust such as fine hair that various cloth produced in the horizontal will be got into to the TV in by the louvre, and on the circuit board of TV is attached to, make the TV back just as if wrap up in the quilt, the radiating effect is more and more poor, cause TV life greatly reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the radiating hole which can be automatically opened or closed according to the heating condition of the electric appliance, so that the heat can be effectively radiated, the occupied space is small, additional power is not needed, and the dust can be prevented from entering and attaching to the circuit board when the electric appliance is not used for a long time.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a high strength domestic appliance PBT/PC plastic alloy casing, includes roof, diapire, back lateral wall, left side wall and right side wall, and roof, diapire, back lateral wall, left side wall and right side wall enclose and form the heat dissipation chamber, the louvre has been seted up on the roof, be provided with the heat dissipation apron on the louvre, heat dissipation apron connection has the bracing piece, and the bracing piece stretches into the heat dissipation intracavity, be provided with hot bimetal on left side wall and/or the right side wall, hot bimetal joint support pole.
Furthermore, supporting shafts are arranged on the left side wall and the right side wall, swing rods are rotatably connected to the supporting shafts, one ends of the supporting rods are hinged to the swing rods, and the end portions of the thermal double metals are connected with the swing rods.
Further, the thermal bimetal is spirally wound to form a volute shape.
Further, one side of the heat dissipation cover plate is hinged with the top wall.
The bottom wall of the swing rod is provided with an air inlet, the air inlet is provided with an air inlet cover plate, one side of the air inlet cover plate is hinged to the bottom wall, a connecting rod is hinged between the air inlet cover plate and the swing rod, the connecting rod and the supporting rod are respectively located at two ends of the swing rod, and the middle of the swing rod is connected with the supporting shaft.
Further, the moment of the connecting rod to the swing rod is not less than the moment of the supporting rod to the swing rod.
Further be provided with the recess that holds heat dissipation apron and air inlet cover plate on roof and the diapire respectively.
Furthermore, a plurality of radiating fins are arranged on the rear side wall towards the radiating cavity and are arranged along the vertical direction.
Furthermore, a connecting plate is arranged on one side of the plurality of radiating fins facing the rear side wall, and the connecting plate is embedded into the rear side wall.
The top wall, the bottom wall, the rear side wall, the left side wall and the right side wall are further formed by injection molding of PBT or PC plastic.
Compared with the prior art, the invention has the beneficial effects that:
1. the openable heat dissipation cover plate is arranged, so that when the temperature in the shell is low, the heat dissipation cover plate covers the heat dissipation holes to prevent dust from falling into devices such as a circuit board in the heat dissipation cavity from the heat dissipation holes;
2. the heat-radiating cover plate is driven by the thermal bimetal, so that the heat-radiating cover plate occupies small space, can be automatically opened or closed according to the temperature, and is low in use and maintenance cost;
3. the spiral-wound volute-shaped thermal bimetal can increase the extension length in a limited space, and the opening angle of the radiating cover plate is enough;
4. the air inlet cover plate arranged at the air inlet hole can be opened or closed synchronously with the heat dissipation cover plate, and meanwhile, the gravity of the heat dissipation cover plate can be balanced, so that the force required by the thermal bimetal when the swing rod is driven is smaller, and the opening or closing of the heat dissipation cover plate and the air inlet cover plate is more sensitive;
5. when the air inlet cover plate is opened, the air inlet holes and the heat dissipation holes form an airflow channel, cold air enters from the air inlet holes at the lower part and leaves from the heat dissipation holes at the upper part, and heat is taken away quickly to achieve the cooling purpose;
6. the arrangement of the radiating fins does not need to additionally increase the size of the shell, and the radiating efficiency can be increased;
7. the housing made of PBT or PC plastic by injection molding has high strength and small creep deformation.
Drawings
FIG. 1 is a cross-sectional view of a PBT/PC plastic alloy shell of a high-strength household appliance according to the invention;
FIG. 2 is a top view of the PBT/PC plastic alloy shell of the high-strength household appliance.
Reference numerals: 1. a top wall; 11. heat dissipation holes; 2. a rear sidewall; 3. a bottom wall; 31. an air inlet; 4. heat dissipation fins; 5. a left side wall; 6. a right side wall; 7. a heat dissipation cover plate; 8. an air inlet cover plate; 9. a support shaft; 10. a swing rod; 11. thermal bimetal; 107. a support bar; 108. a connecting rod.
Detailed Description
An embodiment of the PBT/PC plastic alloy shell of the high-strength household appliance is further described with reference to FIGS. 1 and 2.
In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" or "a number" means two or more unless explicitly specified otherwise.
The utility model provides a high strength domestic appliance PBT/PC plastic alloy casing, includes roof 1, diapire 3, back side wall 2, left side wall 5 and right side wall 6, and roof 1, diapire 3, back side wall 2, left side wall 5 and right side wall 6 enclose to close and form the heat dissipation chamber, louvre 11 has been seted up on the roof 1, be provided with heat dissipation apron 7 on the louvre 11, heat dissipation apron 7 is connected with bracing piece 107, and bracing piece 107 stretches into the heat dissipation intracavity, be provided with hot bimetal 11 on left side wall 5 and/or the right side wall 6, hot bimetal 11 joint support pole 107.
As shown in fig. 2, the heat dissipation holes 11 in this embodiment are preferably strip-shaped, and may be one or more, if there are a plurality of heat dissipation cover plates 7, they may be linked by connecting rods, in this embodiment, one heat dissipation hole 11 and one heat dissipation cover plate 7 are taken as an example, and it is preferable that the left sidewall 5 and the right sidewall 6 are both provided with thermal bimetal 11.
When the electric appliance is used, if the electric appliance is not used, the temperature in the heat dissipation cavity is lower at the moment, the thermal bimetal 11 is hardly deformed, when the electric appliance works, the temperature in the heat dissipation cavity rises, the thermal bimetal 11 deforms, so that the support rod 107 pushes up the heat dissipation cover plate 7, the heat dissipation cover plate 7 opens the heat dissipation hole 11, and heat flows upwards quickly and is dissipated out of the heat dissipation hole 11; after the temperature is reduced, the thermal bimetal 11 recovers, the supporting rod 107 loses the driving jacking of the thermal bimetal 11, so that the heat dissipation cover plate 7 covers the heat dissipation hole 11, and the heat dissipation hole 11 is sealed.
In this embodiment, preferably, the supporting shafts 9 are disposed on the left side wall 5 and the right side wall 6, the supporting shafts 9 are rotatably connected to the swing rod 10, one end of the supporting rod 107 is hinged to the swing rod 10, and the end of the thermal bimetal 11 is connected to the swing rod 10, that is, when the swing rod 10 is provided, the thermal bimetal 11 is not directly connected to the supporting rod 107, the thermal bimetal 11 drives the swing rod 10, and the swing rod 10 drives the supporting rod 107 to act sequentially.
In the preferred embodiment, the thermal bimetal 11 is spirally wound in a volute shape, when being installed, one end of an inner ring of the volute-shaped bimetal is fixed with the left side wall 5, the right side wall 6 or the support shaft 9, and one end of an outer ring is connected and fixed with the swing rod 10; the volute-shaped thermal bimetal 11 has larger overall deformation amount when the temperature changes, and particularly, the end of the volute-shaped thermal bimetal, which is positioned at the outer end and is contacted with the swing rod 10, generates larger deformation, so that the opening angle of the heat dissipation cover plate 7 is larger.
Preferably, one side of the heat-radiating cover plate 7 is hinged with the top wall 1, and the support rod 107 is hinged with the heat-radiating cover plate 7.
Of course, the heat dissipating cover 7 may not be hinged to the top wall 1, but cover the top, in which case the supporting rod 107 is fixedly connected to the heat dissipating cover 7, and the top wall 1 has a guiding through hole, the supporting rod 107 passes through the guiding through hole, and when the supporting rod 107 is pushed up, the heat dissipating cover 7 moves upward to separate from the top wall 1.
An air inlet hole 31 is formed in the bottom wall 3, an air inlet cover plate 8 is arranged on the air inlet hole 31, one side of the air inlet cover plate 8 is hinged to the bottom wall 3, a connecting rod 108 is hinged between the air inlet cover plate 8 and the swing rod 10, the connecting rod 108 and the supporting rod 107 are located at two ends of the swing rod 10 respectively, and the middle of the swing rod 10 is connected with the supporting shaft 9.
As shown in fig. 1, when the thermal bimetal 11 extends, it pushes the swing rod 10 to rotate counterclockwise, at this time, the heat dissipation cover plate 7 will be opened, and at the same time, the air intake cover plate 8 will also be opened, so that the air intake hole 31 and the heat dissipation hole 11 are communicated, a heat dissipation channel communicated with the heat dissipation cavity is formed, and heat will be taken away quickly; and the air inlet cover plate 8 and the connecting rod 108 are arranged, so that the force applied by the heat radiating cover plate 7 and the supporting rod 107 to the swing rod 10 can be balanced, namely, the thermal bimetal 11 only needs a small force to enable the swing rod 10 to swing clockwise or anticlockwise.
In this embodiment, the moment of the connecting rod 108 on the swing link 10 is preferably not less than the moment of the supporting rod 107 on the swing link 10, when the electrical appliance is not in operation, the volute-shaped thermal bimetal 11 is in a contracted state, and the swing link 10 can have a clockwise rotation trend under the pressure of the heat dissipation cover plate 7 and the supporting rod 107, that is, the heat dissipation cover plate 7 and the air intake cover plate 8 are in a closed state at this time; in this embodiment, the moment difference between the support rod 107 and the connecting rod 108 to the swing rod 10 should not be too large, so that the thermal bimetal 11 can conveniently drive the swing rod 10 to rotate.
The preferred support rod 107 and the connecting rod 108 of this embodiment are arranged symmetrically about the support shaft 9.
In this embodiment be provided with the recess that holds heat dissipation apron 7 and air inlet cover plate 8 on roof 1 and the diapire 3 respectively, the recess that is located on roof 1 is used for holding heat dissipation apron 7, and the recess on the diapire 3 is used for holding air inlet cover plate 8 for heat dissipation apron 7 and air inlet cover plate 8 when closing louvre 11 and inlet port 31, roof 1 and 3 surfacing of diapire, and prevent the crack.
In this embodiment, it is preferable that a plurality of heat dissipation fins 4 are disposed in the rear sidewall 2 toward the heat dissipation cavity, the heat dissipation fins 4 are disposed in the vertical direction, the heat dissipation fins 4 in this embodiment are made of aluminum, the heat dissipation fins 4 are disposed in the heat dissipation cavity, it is not necessary to additionally increase the volume and the occupied space of the housing, a heat dissipation channel can be formed between two adjacent heat dissipation fins 4, a chimney effect can be formed when the heat dissipation hole 11 and the air inlet hole 31 are opened, and the heat dissipation efficiency is increased.
In this embodiment, a connecting plate is preferably disposed on one side of the plurality of heat dissipation fins 4 facing the rear sidewall 2, the connecting plate is embedded into the rear sidewall 2, the top wall 1, the bottom wall 3, the rear sidewall 2, the left sidewall 5, and the right sidewall 6 are preferably formed by injection molding of PBT or PC plastic alloy, and during injection molding production, the connecting plate is directly wrapped by the melted rear sidewall 2.
In this embodiment, the top wall 1, the bottom wall 3, the rear side wall 2, the left side wall 5, and the right side wall 6 are integrally formed.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. The utility model provides a high strength domestic appliance PBT/PC plastic alloy casing which characterized in that: including roof, diapire, back wall, left side wall and right side wall, roof, diapire, back wall, left side wall and right side wall enclose and form the heat dissipation chamber, the louvre has been seted up on the roof, be provided with the heat dissipation apron on the louvre, the heat dissipation apron is connected with the bracing piece, and the bracing piece stretches into the heat dissipation intracavity, be provided with hot bimetal on left side wall and/or the right side wall, hot bimetal joint support pole.
2. The high strength household appliance PBT/PC plastic alloy shell of claim 1, wherein: the support shaft is arranged on each of the left side wall and the right side wall, the swing rod is rotatably connected to the support shaft, one end of the support rod is hinged to the swing rod, and the end portion of the thermal bimetal is connected with the swing rod.
3. The high strength household appliance PBT/PC plastic alloy shell of claim 2, wherein: the thermal bimetal is spirally wound in a volute shape.
4. The high strength household appliance PBT/PC plastic alloy shell of claim 3, wherein: one side of the heat dissipation cover plate is hinged with the top wall.
5. A high strength domestic appliance PBT/PC plastic alloy casing according to any one of claims 1-4, wherein: the air inlet cover plate is hinged to one side of the air inlet cover plate, a connecting rod is hinged between the air inlet cover plate and the swing rod, the connecting rod and the supporting rod are located at two ends of the swing rod respectively, and the middle of the swing rod is connected with the supporting shaft.
6. The high strength household appliance PBT/PC plastic alloy shell of claim 5, wherein: the moment of the connecting rod to the swing rod is not less than the moment of the supporting rod to the swing rod.
7. The high strength household appliance PBT/PC plastic alloy shell of claim 5, wherein: grooves for accommodating the heat dissipation cover plate and the air inlet cover plate are respectively arranged on the top wall and the bottom wall.
8. The high strength household appliance PBT/PC plastic alloy shell of claim 5, wherein: a plurality of radiating fins are arranged on the rear side wall towards the radiating cavity and are arranged along the vertical direction.
9. The high strength household appliance PBT/PC plastic alloy case of claim 8, wherein: and one side of the plurality of radiating fins facing the rear side wall is provided with a connecting plate, and the connecting plate is embedded into the rear side wall.
10. A high strength domestic appliance PBT/PC plastic alloy casing according to any one of claims 1-5, wherein: the top wall, the bottom wall, the rear side wall, the left side wall and the right side wall are formed by injection molding of PBT or PC plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010763971.7A CN111741636B (en) | 2020-08-01 | 2020-08-01 | High-strength PBT/PC plastic alloy shell for household appliances |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010763971.7A CN111741636B (en) | 2020-08-01 | 2020-08-01 | High-strength PBT/PC plastic alloy shell for household appliances |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111741636A true CN111741636A (en) | 2020-10-02 |
| CN111741636B CN111741636B (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010763971.7A Active CN111741636B (en) | 2020-08-01 | 2020-08-01 | High-strength PBT/PC plastic alloy shell for household appliances |
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| Country | Link |
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| CN (1) | CN111741636B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1162110A (en) * | 1995-04-19 | 1997-10-15 | 大宇电子株式会社 | Device for opening-closing radiating component using marmen |
| KR19990012491A (en) * | 1997-07-29 | 1999-02-25 | 배순훈 | V Sial's Automatic Chiller |
| JP2008300925A (en) * | 2007-05-29 | 2008-12-11 | Funai Electric Co Ltd | Heat discharge structure, and television receiver with heat discharge structure |
| CN207410654U (en) * | 2017-10-27 | 2018-05-25 | 新乡市振源电器股份有限公司 | A kind of soft start controller radiator structure |
| CN212786163U (en) * | 2020-08-01 | 2021-03-23 | 浙江乍浦塑料制品股份有限公司 | High-strength PBT/PC plastic alloy shell for household appliances |
-
2020
- 2020-08-01 CN CN202010763971.7A patent/CN111741636B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1162110A (en) * | 1995-04-19 | 1997-10-15 | 大宇电子株式会社 | Device for opening-closing radiating component using marmen |
| KR19990012491A (en) * | 1997-07-29 | 1999-02-25 | 배순훈 | V Sial's Automatic Chiller |
| JP2008300925A (en) * | 2007-05-29 | 2008-12-11 | Funai Electric Co Ltd | Heat discharge structure, and television receiver with heat discharge structure |
| CN207410654U (en) * | 2017-10-27 | 2018-05-25 | 新乡市振源电器股份有限公司 | A kind of soft start controller radiator structure |
| CN212786163U (en) * | 2020-08-01 | 2021-03-23 | 浙江乍浦塑料制品股份有限公司 | High-strength PBT/PC plastic alloy shell for household appliances |
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| Publication number | Publication date |
|---|---|
| CN111741636B (en) | 2024-05-28 |
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