CN112333984A - Electrical box, water heater and air conditioner - Google Patents
Electrical box, water heater and air conditioner Download PDFInfo
- Publication number
- CN112333984A CN112333984A CN202011206001.3A CN202011206001A CN112333984A CN 112333984 A CN112333984 A CN 112333984A CN 202011206001 A CN202011206001 A CN 202011206001A CN 112333984 A CN112333984 A CN 112333984A
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- China
- Prior art keywords
- fins
- adjusting screw
- sub
- thread
- heat dissipation
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention discloses an electric box, a water heater and an air conditioner, wherein the electric box comprises a box body; the fins are arranged on the box body at intervals, the distance between the fins is adjustable, and the fins have a heat dissipation state and a heat preservation state; in the heat dissipation state of the fins, all the fins are far away from each other, and a heat dissipation air duct is formed among all the fins; in the heat preservation state of the rib group, all the ribs are close to each other; the adjusting screw rod penetrates through all the fins simultaneously, a plurality of thread sections are arranged on the adjusting screw rod, the fins are in one-to-one correspondence with the thread sections and are in threaded connection, and the adjusting screw rod controls the fins to move, switch the heat dissipation state and the heat preservation state through rotation. According to the electrical box, the plurality of fins are arranged on the box body at intervals, so that a heat preservation effect is achieved, the electrical box can be ensured to reduce heat loss in a low-temperature state, condensation is avoided, and the risk of short circuit is reduced.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to an electric appliance box, a water heater and an air conditioner.
Background
When a company develops a large-cooling-capacity multifunctional water heater, when the refrigerating capacity exceeds 35kw, the problem of overlarge current and overlarge heat of a driving plate occurs, the conventional air-cooling heat dissipation scheme is caught, the whole frequency cannot be increased due to insufficient heat dissipation, and the capacity output is limited. Moreover, excessive IPM temperatures can also cause damage to the drive plate profiles, reducing the service life of the drive plate.
In addition, when winter comes, because ambient temperature is lower, and the inside temperature of electrical apparatus box is higher, forms the condensation easily, produces the short circuit risk. Therefore, it is necessary to keep the temperature of the driving plate constant, prevent the formation of condensation, and improve the reliability. However, the traditional electrical box can only realize heat dissipation adjustment and cannot keep warm.
Disclosure of Invention
In order to solve the technical problems, the invention discloses an electric box, a water heater and an air conditioner, and solves the problem that the traditional electric box can only realize heat dissipation adjustment and cannot preserve heat.
According to one aspect of the present invention, there is disclosed an electrical box comprising: a box body; the fins are arranged on the box body at intervals, the distance between the fins is adjustable, and the fins have a heat dissipation state and a heat preservation state; in the heat dissipation state of the fins, all the fins are far away from each other, and a heat dissipation air duct is formed among all the fins; in the heat preservation state of the rib group, all the ribs are close to each other; the adjusting screw rod penetrates through all the fins simultaneously, a plurality of thread sections are arranged on the adjusting screw rod, the fins are in one-to-one correspondence with the thread sections and are in threaded connection, and the adjusting screw rod controls the fins to move, switch the heat dissipation state and the heat preservation state through rotation.
Furthermore, the number of the thread sections is two, and the two thread sections are arranged at intervals and have opposite thread directions; the adjusting screw rod enables the fins on the two thread sections to approach or separate from each other through rotation.
Further, a smooth section is arranged on the adjusting screw rod and is positioned between the two thread sections; the electrical box further comprises fixing ribs fixedly arranged on the box body, the adjusting screw penetrates through the fixing ribs, and the fixing ribs correspond to the smooth sections in position.
Furthermore, the fins are respectively positioned on two sides of the fixed fins, and the adjusting screw rod drives all the fins to be close to or far away from the fixed fins simultaneously through rotation.
Furthermore, the thread section comprises a plurality of sub thread sections which have the same thread direction and are sequentially arranged, and the length of each sub thread section is gradually reduced from the end part of the adjusting screw to the middle part of the adjusting screw; the fins comprise a plurality of sub-fins, and the sub-fins are arranged in one-to-one correspondence with the sub-thread sections; the adjusting screw rod enables the adjacent sub-fins to approach or separate from each other through rotation.
Further, the lead of the sub-thread segment is proportional to the length of the sub-thread segment.
Further, the electrical box further comprises: and the driving device is in driving connection with the adjusting screw rod.
Further, the driving means comprises a motor.
Furthermore, a guide mechanism is arranged on the box body, and the fins are in sliding fit with the guide mechanism.
According to the second aspect of the invention, the invention also discloses a water heater, which comprises the electric box.
According to a third aspect of the invention, an air conditioner is further disclosed, which comprises the electric appliance box.
According to the electric appliance box, the plurality of fins are arranged on the box body at intervals, the fins are movable, the fins are arranged in one-to-one correspondence with the thread sections and are in threaded connection, the fins are driven to move by rotating the adjusting screw rod, so that the distance between the fins can be adjusted, the heat dissipation effect can be adjusted by adjusting the distance between the fins, the working states of the fins can be switched, when the fins are in a heat dissipation state, all the fins are far away from each other, namely all the fins are scattered, and a heat dissipation air channel is formed between adjacent fins, so that the heat dissipation of a heating element is realized; when the fins are in the heat preservation state, all the fins are close to each other, namely all the fins are gathered together, the convection heat dissipation effect is reduced, the heat preservation effect is achieved, the heat loss of the electric appliance box in the low-temperature state can be reduced, condensation is avoided, and the short circuit risk is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an appliance box according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an adjusting screw according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an electrical box in a heat dissipation state according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an electrical box in a heat-preservation state according to an embodiment of the present invention;
legend: 10. a box body; 11. a guide mechanism; 20. ribs; 21. a sub-fin; 30. adjusting the screw rod; 31. a threaded segment; 311. a sub-thread segment; 32. a smooth section; 40. fixing the fins; 50. a drive device.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the details of the description.
As shown in fig. 1 to 4, the present invention discloses an electrical box, which comprises a box body 10, a plurality of fins 20 and an adjusting screw 30, wherein the fins 20 are arranged on the box body 10 at intervals, the distance between the fins 20 is adjustable, and the fins 20 have a heat dissipation state and a heat preservation state; in the heat dissipation state of the fins 20, all the fins 20 are far away from each other, and a heat dissipation air duct is formed between all the fins 20; in the heat preservation state of the rib 20 group, all the ribs 20 are close to each other; the adjusting screw 30 penetrates through all the fins 20 at the same time, a plurality of thread sections 31 are arranged on the adjusting screw 30, the fins 20 and the thread sections 31 are arranged in a one-to-one correspondence mode and are in threaded connection, and the adjusting screw 30 controls the fins 20 to move to switch the heat dissipation state and the heat preservation state through rotation.
According to the electrical box, the plurality of fins 20 are arranged on the box body 10 at intervals, the fins 20 are movable, the fins 20 and the thread sections 31 are arranged in a one-to-one correspondence and are in threaded connection, the fins 20 are driven to move by rotating the adjusting screw 30, so that the distance between the fins 20 can be adjusted, the heat dissipation effect can be adjusted and the working state of the fins 20 can be switched by adjusting the distance between the fins 20, when the fins 20 are in a heat dissipation state, all the fins 20 are far away from each other, namely all the fins 20 are scattered, and a heat dissipation air duct is formed between the adjacent fins 20, so that the heat dissipation of a heating element is realized; when the fins 20 are in the heat preservation state, all the fins are close to each other, namely all the fins are gathered together, the convection heat dissipation effect is reduced, and therefore the heat preservation effect is achieved, the heat dissipation of the electrical box can be reduced in the low-temperature state, condensation is avoided, and the short circuit risk is reduced.
In the above embodiment, there are two threaded segments 31, and the two threaded segments 31 are spaced apart and have opposite thread directions; the adjusting screw 30 is rotated to move the ribs 20 of the two screw segments 31 toward or away from each other. According to the electrical box, the two opposite thread sections 31 are arranged, and the ribs 20 on the thread sections 31 can be close to or far away from each other by rotating the adjusting screw 30, so that state switching is realized, and the operation is very convenient.
In the above embodiment, the adjusting screw 30 is provided with the smooth section 32, and the smooth section 32 is located between the two threaded sections 31; the electrical box further comprises a fixing rib 40 fixedly arranged on the box body 10, the adjusting screw 30 penetrates through the fixing rib 40, and the fixing rib 40 corresponds to the smooth section 32 in position. The electrical box of the invention can make the fixing rib 40 correspond to the smooth section 32 by arranging the smooth section 32, thereby reducing the resistance of the adjusting screw 30 to rotate.
In the above embodiment, the ribs 20 are respectively located at both sides of the fixing rib 40, and the adjusting screw 30 rotates to drive all the ribs 20 to approach or separate from the fixing rib 40 at the same time. The fins 20 are respectively arranged at the two sides of the fixed fin 40, so that all the fins 20 can be driven to simultaneously approach or depart from the fixed fin 40 by rotating the adjusting screw 30, a plurality of driving devices can be avoided, and the cost is reduced.
In the above embodiment, the threaded section 31 includes a plurality of sub-threaded sections 311 having the same thread direction and arranged in sequence, and the length of the sub-threaded section 311 decreases from the end of the adjustment screw 30 to the middle of the adjustment screw 30 in sequence; the fins 20 comprise a plurality of sub-fins 21, and the sub-fins 21 are arranged corresponding to the sub-thread sections 311 one by one; the adjusting screw 30 moves the adjacent sub-fins 21 closer to or away from each other by rotation. According to the electrical box, the plurality of sub-thread sections 311 are arranged, and the plurality of sub-fins 21 can be driven to move simultaneously through the sub-thread sections 311, so that the distance between the sub-fins 21 is changed, and mode switching is realized.
In the above embodiment, the lead of the sub-thread segment 311 is proportional to the length of the sub-thread segment 311. In the electrical box of the present invention, the longer the sub-thread segments 311 are, the larger the corresponding lead is, that is, in an optimal scheme, the length of the thread line of each sub-thread segment 311 is the same, and the longer the sub-thread segments 311 are, the larger the lead of the thread is; the shorter the length of the sub-thread segment 311, the shorter the lead of the thread. This arrangement allows for synchronous movement between the sub-fins 21 for ease of adjustment.
The electrical box further comprises a driving device 50, the driving device 50 is in driving connection with the adjusting screw 30, in this embodiment, the driving device 50 can enable a motor to drive the adjusting screw 30 to rotate through the motor, so as to switch the fins 20 between the heat dissipation state and the heat preservation state. According to the electrical box, the driving device 50 is arranged, the fins 20 can be driven to move through the driving device 50, so that the fins 20 can be switched between the heat dissipation state and the heat preservation state, and the switching process is more convenient and faster.
In the above embodiment, the guiding mechanism 11 is disposed on the box body 10, the rib 20 is disposed with the guiding block, and the rib 20 is slidably engaged with the guiding mechanism 11 through the guiding block, thereby realizing the moving guidance.
According to a second embodiment of the invention, the invention also discloses a water heater which comprises the electric box.
According to a third embodiment of the invention, an air conditioner is further disclosed, and the air conditioner comprises the electric appliance box.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes and modifications which are obvious to the technical scheme of the invention are covered by the protection scope of the invention.
Claims (11)
1. An electrical box, comprising:
a case (10);
the box body (10) is provided with a plurality of fins (20), the fins (20) are arranged on the box body (10) at intervals, the distance between the fins (20) is adjustable, and the fins (20) have a heat dissipation state and a heat preservation state;
in the heat dissipation state of the fins (20), all the fins (20) are far away from each other, and a heat dissipation air duct is formed between all the fins (20);
in the heat-retaining state of the set of ribs (20), all the ribs (20) are close to each other;
adjusting screw (30), adjusting screw (30) run through all simultaneously fin (20), be provided with a plurality of screw sections (31) on adjusting screw (30), fin (20) with screw section (31) one-to-one sets up and threaded connection, adjusting screw (30) are through rotation control fin (20) remove and switch heat dissipation state and heat preservation state.
2. The appliance cartridge of claim 1,
the number of the thread sections (31) is two, and the two thread sections (31) are arranged at intervals and have opposite thread directions;
the adjusting screw (30) enables the ribs (20) on the two thread sections (31) to approach or separate from each other through rotation.
3. The appliance cartridge of claim 2,
a smooth section (32) is arranged on the adjusting screw rod (30), and the smooth section (32) is positioned between the two thread sections (31);
the electrical appliance box further comprises a fixing rib (40) fixedly arranged on the box body (10), the adjusting screw rod (30) penetrates through the fixing rib (40), and the fixing rib (40) corresponds to the smooth section (32) in position.
4. The appliance cartridge of claim 3,
the fins (20) are respectively positioned on two sides of the fixed fins (40), and the adjusting screw rod (30) drives all the fins (20) to be close to or far away from the fixed fins (40) simultaneously through rotation.
5. The appliance cartridge of claim 2,
the thread section (31) comprises a plurality of sub thread sections (311) which have the same thread direction and are sequentially arranged, and the length of each sub thread section (311) is gradually reduced from the end part of the adjusting screw rod (30) to the middle part of the adjusting screw rod (30);
the fins (20) comprise a plurality of sub-fins (21), and the sub-fins (21) are arranged in one-to-one correspondence with the sub-thread sections (311);
the adjusting screw (30) enables the adjacent sub-fins (21) to approach or separate from each other through rotation.
6. The appliance cartridge of claim 5,
the lead of the sub-thread section (311) is proportional to the length of the sub-thread section (311).
7. The appliance cartridge of claim 1, further comprising:
a drive device (50), wherein the drive device (50) is in driving connection with the adjusting screw (30).
8. The appliance cartridge of claim 7,
the drive means (50) comprises an electric motor.
9. The appliance cartridge of claim 1,
the box body (10) is provided with a guide mechanism (11), and the fins (20) are in sliding fit with the guide mechanism (11).
10. A water heater comprising an electrical box according to any one of claims 1 to 9.
11. An air conditioner characterized by comprising the electric box of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011206001.3A CN112333984B (en) | 2020-11-02 | 2020-11-02 | Electrical box, water heater and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011206001.3A CN112333984B (en) | 2020-11-02 | 2020-11-02 | Electrical box, water heater and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112333984A true CN112333984A (en) | 2021-02-05 |
| CN112333984B CN112333984B (en) | 2022-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011206001.3A Active CN112333984B (en) | 2020-11-02 | 2020-11-02 | Electrical box, water heater and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112333984B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587263A (en) * | 2021-06-25 | 2021-11-02 | 青岛海信日立空调系统有限公司 | Heat dissipation device for driver of outdoor unit of air conditioner and control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587263A (en) * | 2021-06-25 | 2021-11-02 | 青岛海信日立空调系统有限公司 | Heat dissipation device for driver of outdoor unit of air conditioner and control method |
| CN113587263B (en) * | 2021-06-25 | 2023-12-26 | 青岛海信日立空调系统有限公司 | Heat dissipation device of air conditioner outdoor unit driver and control method |
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| CN112333984B (en) | 2022-04-22 |
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