CN208186646U - A kind of electrical appliance kit, electric appliance case assembly and air conditioner - Google Patents
A kind of electrical appliance kit, electric appliance case assembly and air conditioner Download PDFInfo
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- CN208186646U CN208186646U CN201820126037.2U CN201820126037U CN208186646U CN 208186646 U CN208186646 U CN 208186646U CN 201820126037 U CN201820126037 U CN 201820126037U CN 208186646 U CN208186646 U CN 208186646U
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Abstract
The utility model discloses a kind of electrical appliance kit, electric appliance case assembly and air conditioners, wherein the electrical appliance kit includes box body, box cover and circuit board；Tray cover is set on box cover, and box body and box cover form sealing space, and circuit board is contained in sealing space.The embodiment of the utility model can overcome the limited defect of waterproof and dustproof ability of electrical appliance kit in the prior art, improve the waterproof and dustproof ability of electrical appliance kit.
Description
Technical field
The utility model belongs to air-conditioning technical field, and in particular to a kind of electrical appliance kit, electric appliance case assembly and air conditioner.
Background technique
In recent years, with the development of air-conditioning technical, air-conditioning constantly breaks through the cooling and warming technology under extreme environment.Wherein
In high-temperature refrigeration, need to reduce the temperature of power component in operation of air conditioner, so that air-conditioning be made to be able to carry out reliable operation.
Currently, the heat dissipation of air-conditioner controller is mainly realized by carrying out the design of ventilation air duct in structure.It realizes
The principle of heat dissipation is that the temperature of component surface is reduced by the convection current of air.
But it this is had the disadvantage that by way of realizing heat dissipation ventilation air duct
The impurity such as steam, dust can be entered inside controller by air duct, caused component burn into short circuit etc. and asked
Topic.
The toys such as worm mouse are also possible to enter in controller by air duct, destroy to controller.
Air-conditioning is easy to appear the problem of air duct blocking in the long-term use, and component is caused to cross cause thermal damage.
The component heat dissipation of traditional electrical appliance kit excessively relies on ventilation, needs to consider that ventilation is asked during printed circuit board typesetting
Topic causes typesetting difficulty to increase, and is frequently necessary to consider layout, to increase the size of printed circuit board, improves into
This.
In short, the result of ventilating heat dissipation of the electrical appliance kit of traditional air conditioner is bad at present, the heat dissipation of the electrical appliance kit of traditional air conditioner
Ability is limited.The calorific value of component with it is current related, electric current is bigger, and corresponding calorific value is also bigger.Due to traditional air conditioner
The heat-sinking capability of electrical appliance kit is limited, and in the case where that can not efficiently solve heat dissipation, the mode of selectional restriction electric current in design will
The current limit of complete machine is in lower level, the excessively high problem of temperature to alleviate power component in operation of air conditioner.But when
When the electric current of complete machine is limited in lower levels of current, under high-temperature refrigeration operating condition, air-conditioning can not be played preferably
Refrigeration performance.
Utility model content
The purpose of this utility model is that in view of the foregoing drawbacks, provide in view of the foregoing drawbacks, a kind of electrical appliance kit and sky are provided
Device is adjusted, to solve in the prior art, the limited problem of the waterproof and dustproof ability of electrical appliance kit.
The utility model provides a kind of electrical appliance kit, and the electrical appliance kit includes box body, box cover and circuit board；The tray cover
On the box cover, the box body and the box cover form sealing space, and the circuit board is contained in the sealing space.
Optionally, the electrical appliance kit further includes fan, and the fan is located in the sealing space and is installed on the box
It covers, the air outlet of the fan is oppositely arranged with the circuit board.
Optionally, the air intake passage of pre-set space is provided between the fan and the box cover.
Optionally, component is provided on the circuit board, the component includes the first component and the second component,
First component is set to the first side of the circuit board, in order to first component heat dissipation, wherein described first
Side is the side opposite with the fan；The circuit board further includes second side opposite with first side, and described second yuan
Device is set in described second side, wherein the heat consumption density of second component is greater than the heat consumption of first component
Density.
Optionally, the quantity of first component is at least two, and first component is from the one of the circuit board
Side outwardly protrudes setting, when the protrusion height of first component is greater than preset protrusion height, at least two described the
One component is separately laid along the surface of the circuit board.
Optionally, the box cover is fixedly connected by screw or buckle structure with the box body；And/or the circuit
Plate is fixedly connected by card slot with the box body；And/or the fan is solid by screw or buckle structure and the box cover
Fixed connection.
Match with above-mentioned electrical appliance kit, on the other hand the utility model provides a kind of electric appliance case assembly, the electrical appliance kit group
Part includes: above-described electrical appliance kit, further includes radiator, and the radiator is fixedly connected with the box body of the electrical appliance kit, with
Convenient for electrical appliance kit heat dissipation.
Optionally, the second component being set on the circuit board of the electrical appliance kit passes through the hole that is set on the box body
The box body is penetrated, and is fixedly connected with the radiator, in order to second component heat dissipation, the radiator can be to institute
Hole is stated to be sealed.
Optionally, the material of the radiator is aluminum material.
Match with above-mentioned electric appliance case assembly, the utility model another further aspect provides a kind of air conditioner, comprising: described above
Electric appliance case assembly.
The embodiment of the utility model, the electrical appliance kit include box body, box cover and circuit board；Tray cover is set on box cover, box
Body and box cover form sealing space, and circuit board is contained in sealing space；To improve the waterproof and dustproof ability of electrical appliance kit.
Further, the embodiment of the utility model, the electrical appliance kit further include fan, and fan is located in sealing space and pacifies
Loaded on box cover, air outlet and the circuit board of fan are oppositely arranged；In this way, the heat-sinking capability of electrical appliance kit is improved, so that in height
Under warm cooling condition, air-conditioning remains to play preferable refrigeration performance.
Further, the embodiment of the utility model is provided with the air intake passage of pre-set space between fan and box cover；In this way,
By being provided with the air intake passage of pre-set space between fan and box cover, avoid fan be bonded with box cover it is too close and caused by into
Wind is unsmooth, influences the air quantity of fan.
The embodiment of the utility model as a result, the electrical appliance kit include box body, box cover and circuit board；Tray cover is set to box cover
On, box body and box cover form sealing space, and circuit board is contained in sealing space；To improve the waterproof and dustproof energy of electrical appliance kit
Power.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood and implementing the utility model.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of electrical appliance kit of the utility model；
Fig. 2 is the structural schematic diagram of the position of fan of the utility model；
Fig. 3 is the structural schematic diagram of one embodiment of electric appliance case assembly of the utility model；
Fig. 4 is the structural schematic diagram of another embodiment of electric appliance case assembly of the utility model；
Fig. 5 is the structural schematic diagram of the electric appliance case assembly another embodiment of the utility model.
In conjunction with attached drawing, appended drawing reference is as follows in the utility model embodiment:
100, electrical appliance kit；1, box body；2, box cover；3, fan；4, circuit board；5, the first component；6, the second component；
61, the first power device；62, the second power device；63, third power device；64, the 4th power device；7, radiator.
Specific embodiment
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
It is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to the utility model
The range of protection.
Embodiment according to the present utility model provides a kind of electrical appliance kit, as shown in Figure 1, being the electric appliance of the utility model
The structural schematic diagram of one embodiment of box.As shown in Figure 1,1 is box body, 2 be box cover, and 3 be fan, and 4 be circuit board.
As shown in Figure 1, the embodiment of the utility model, the electrical appliance kit includes box body 1, box cover 2 and circuit board 4；Box body 1
It is covered on box cover 2, box body 1 and box cover 2 form sealing space, and circuit board 4 is contained in sealing space；To improve electrical appliance kit
Waterproof and dustproof ability.
In order to improve the heat-sinking capability of electrical appliance kit, the electrical appliance kit further includes fan 3, fan 3 be located in sealing space and
It is installed on box cover 2, air outlet and the circuit board 4 of fan 3 are oppositely arranged；In this way, the heat-sinking capability of electrical appliance kit is improved, so that
Under high-temperature refrigeration operating condition, air-conditioning remains to play preferable refrigeration performance.
As shown in Figure 1, be provided with component on circuit board 4, component includes the first component and the second component, first
Component is set to the first side of circuit board 4, in order to the heat dissipation of the first component, wherein the first side is opposite with fan 3 one
Side；Circuit board 4 further includes second side opposite with the first side, and the second component is set in second side, wherein the second component
Heat consumption density be greater than the first component heat consumption density.
In order to avoid the concentration arrangement for higher-height first component being set on circuit board 4, to avoid hindering
The flow direction of internal gas flow and speed, the quantity of the first component are at least two, and the first component is from the side of circuit board 4
Setting is outwardly protruded, when the protrusion height of the first component is greater than preset protrusion height, at least two first component edges
It separately lays on the surface of circuit board 4.
As shown in Figure 1, electrical appliance kit provided by the utility model will be set to by the fan 3 being installed on box cover 2
Heat caused by first component surface of the first side of circuit board 4 is taken away, and the heat dissipation of the first component is conducive to.
The radiating principle of the electrical appliance kit of the utility model is described in detail below:
On the one hand, box cover 2 is sealed entire electrical appliance kit, installs fan 3 in sealing electrical appliance kit, strengthens internal member
Therefore the convection current of device and air increases the heat transfer effect of the electrical appliance kit.Air outlet just because of fan 3 be set to
The first component on circuit board 4 is oppositely arranged, and guarantees that the air velocity around the first big component of calorific value is sufficiently large, can
Generated heat in the course of work for being set to positive first component of circuit board 4 to be taken away, thus, be conducive to first
The heat dissipation of component.
On the other hand, fan 3 increases the disturbance of inner air, is conducive to the heat convection between air and box cover 2.Cause
This reduces first so that the heat that the first component generates in electrical appliance kit continuously passes through box cover 2 and is transmitted in environment
The temperature of component surface improves the service life of the first component reliability of operation and the first component.
It should be noted that the form and material of box cover 2 can be it is diversified.Wherein, the shape of preferred box cover 2
To be rectangular, the material of preferred box cover 2 is plastics.
As shown in Figure 1, circuit board 4 is fixedly connected by card slot with box body 1.Box cover 2 by screw or buckle structure with
Box body 1 is fixedly connected.
After carrying out hermetically sealed design to electrical appliance kit, the waterproof and dustproof of the electrical appliance kit of the utility model, vermins-proof effect compared with
It is good.In addition to this, after electrical appliance kit is totally-enclosed, external electromagnetic wave signal can reduce the interference effect of circuitry.
As shown in Fig. 2, the structural schematic diagram of the position of fan for the utility model.Fan 3 is installed in interior of electrical box, is led to
It crosses and four mounting holes of fan 3 is fixed on box cover 2, meanwhile, the air inlet of pre-set space is provided between fan 3 and box cover 2
Channel, the minimum spacing between fan 3 and box cover 2 are greater than 10mm；In this way, by being provided with default sky between fan 3 and box cover 2
Between air intake passage, avoid fan 3 be bonded with box cover 2 it is too close and caused by air inlet it is unsmooth, influence the air quantity of fan 3.
Other than the fixed form of fan 3 as shown in Figure 2, fan 3 can also by screw or buckle structure with
Box cover 2 is fixedly connected.
As shown in Fig. 2, in technical solution provided by the utility model, fan 3 in addition to small fan as shown in Figure 2 it
Outside, fan 3 can also be DC fan or ion fan.Since the type of the fan 3 of selection is different, this programme
In in totally-enclosed electrical appliance kit the perturbation scheme of air be not limited solely to the form of fan 3 as shown in Figure 2.
It should be noted that the electrical appliance kit of the utility model, after carrying out forced convertion using internal fan 3, on circuit board 4
Component arrangement shell it is more random, it is more compact, not only reduce the size of electrical appliance kit, can with save the cost, save
Space is conducive to subsequent development and goes out the smaller outer machine product of external form.Just because of the component surface being set on circuit board 4
After temperature reduces, complete machine alternating current can be increased further, and compressor can run higher frequency, thus, worst hot case
Under refrigerating capacity can increase substantially.
Table 1 shows the temperature data of existing outer machine observed temperature data and totally-enclosed test.Specific data are as follows:
Table 1
By the choke coil in such as above-mentioned table 1, the first blower fan module (left side), the second blower fan module (right side), inductance, rectifier bridge,
And the temperature data of the existing outer machine actual measurement of insulated gate bipolar transistor is compared with the temperature data of totally-enclosed test,
It can be seen that the more corresponding existing outer machine observed temperature value of the temperature value of totally-enclosed test reduces, thus corresponding component
Operational reliability is improved, and corresponding service life is also extended.
Through a large amount of verification experimental verification, using the technical solution of the utility model, the electrical appliance kit include box body 1, box cover 2,
With circuit board 4；Box body 1 is covered on box cover 2, and box body 1 and box cover 2 form sealing space, and circuit board 4 is contained in sealing space
It is interior；To improve the waterproof and dustproof ability of electrical appliance kit.
Further, the embodiment of the utility model, the electrical appliance kit further include fan 3, fan 3 be located in sealing space and
It is installed on box cover 2, air outlet and the circuit board 4 of fan 3 are oppositely arranged；In this way, the heat-sinking capability of electrical appliance kit is improved, so that
Under high-temperature refrigeration operating condition, air-conditioning remains to play preferable refrigeration performance.
Further, the embodiment of the utility model is provided with the air intake passage of pre-set space between fan 3 and box cover 2；This
Sample, by being provided with the air intake passage of pre-set space between fan 3 and box cover 2, avoid fan 3 be bonded with box cover 2 it is too close and
Caused by air inlet it is unsmooth, influence the air quantity of fan 3.
Embodiment according to the present utility model additionally provides a kind of electric appliance case assembly corresponding to electrical appliance kit.Such as Fig. 3 institute
Show, is the structural schematic diagram of one embodiment of electric appliance case assembly of the utility model.Electric appliance case assembly is in addition to including as shown in Figure 1
It further include the radiator 7 being fixedly connected with totally enclosed electrical appliance kit 100 except electrical appliance kit 100.As shown in figure 3,100 be electric appliance
Box, 7 be radiator.
As shown in figure 4, the structural schematic diagram of another embodiment of electric appliance case assembly for the utility model.As shown in figure 4,1
It is box cover for box body, 2,3 be fan, and 4 be circuit board, and 7 be radiator.Radiator 7 is fixedly connected with the box body 1 of electrical appliance kit 100,
In order to the heat dissipation of electrical appliance kit 100.The radiator 7 of electric appliance case assembly is exactly based on to second in electrical appliance kit 100 as shown in Figure 1
Component 6 radiates.
As shown in figure 4, the second component 6 being set on the circuit board 4 of electrical appliance kit 100 is by being set on box body 1
Hole penetrates box body 1, and is fixedly connected with radiator 7, in order to the heat dissipation of the second component 6.
As shown in figure 4, being provided with cavernous structure on radiator 7,7 top of radiator is provided with cavernous structure, and box body 1 is corresponding
Position be also equipped with cavernous structure, in this way, radiator 7 is fixedly connected by screw with box body 1.In addition, 7 middle and lower part of radiator
It is also equipped with cavernous structure, corresponding position is also provided with cavernous structure on circuit board 4, box body 1, in this way, being located at circuit board 4
Second component 6 of second side box body 1 is penetrated by the hole being set on box body 1, and be fixedly connected with radiator 7, so as to
It radiates in the second component 6.
In addition, radiator 7 can be sealed the hole being set on box body 1；In this way, not only realizing to totally-enclosed electric appliance
The heat dissipation of the second component 6 in box 100, additionally it is possible to the hole on box body 1 is set to by the one side wall face closure of radiator 7,
Electric appliance case assembly has not only accomplished waterproof and dustproof, additionally it is possible to accomplish the heat dissipation performance that the second component 6 is improved by radiator 7.
As shown in figure 5, the structural schematic diagram of the electric appliance case assembly another embodiment for the utility model.As shown in figure 5,3
It is circuit board for fan, 4,5 be the first component, and 61 be the first power device, and 62 be the first power device, and 62 be the second power
Device, 63 be third power device, and 64 be the 4th power device, and 7 be radiator.Need to illustrate when, the second component 6 be function
Rate device, the calorific value of the second component 6 is greater than the calorific value of the first component 5, as shown in figure 5, the first power device 61；The
Two power devices 62；Third power device 63；4th power device 64 is successively laid along the back side of circuit board 4.As shown in figure 5,
Radiator 7 is fixedly connected by bolt with the second component 6.
It is exactly based on the radiator 7 being fixedly connected with box body 1, will can successively lay along the back side of circuit board 4 first
Heat caused by power device 61, the second power device 62, third power device 63 and the 4th power device 64 is taken away.It is real
Border application in, positioned at first power device 61 at the back side of circuit board 4, the second power device 62, third power device 63 and
The heat that 4th power device 64 generates when working first passes through heat-conducting mode and is transmitted on radiator 7, then passes through heat convection
Mode is transmitted in air, to reduce the first power device 61, the second power device 62, third power device 63 and the 4th
The temperature of power device 64 improves the first power device 61, the second power device 62, third power device 63 and the 4th function
The operational reliability and service life of rate device 64.
Various material can be used in the material of radiator 7, such as: copper, alternatively, aluminum material.It is preferably dissipated to obtain
Hot property, it is preferable that the material of radiator 7 selects aluminum material.
Embodiment according to the present utility model additionally provides a kind of air conditioner corresponding to electric appliance case assembly.The air conditioner
It include: above-described electric appliance case assembly.
To sum up, it will be readily appreciated by those skilled in the art that under the premise of not conflicting, above-mentioned each advantageous manner can be certainly
It combined, be superimposed by ground.
The above description is only the embodiments of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of the claims of the utility model.
Claims (9)
1. a kind of electrical appliance kit, which is characterized in that including box body (1), box cover (2) and circuit board (4)；
The box body (1) is covered on the box cover (2), and the box body (1) and the box cover (2) form sealing space, described
Circuit board (4) is contained in the sealing space；The electrical appliance kit further includes fan (3), and the fan (3) is located at the sealing
It in space and is installed on the box cover (2), air outlet and the circuit board (4) of the fan (3) are oppositely arranged.
2. electrical appliance kit as described in claim 1, which is characterized in that
The air intake passage of pre-set space is provided between the fan (3) and the box cover (2).
3. electrical appliance kit as described in claim 1, which is characterized in that
Component is provided on the circuit board (4), the component includes the first component (5) and the second component (6), institute
The first side that the first component (5) is set to the circuit board (4) is stated, in order to first component (5) heat dissipation, wherein
First side is the side opposite with the fan (3)；The circuit board further includes second side opposite with first side,
Second component (6) is set in described second side, wherein the heat consumption density of second component (6) is greater than described
The heat consumption density of first component (5).
4. electrical appliance kit as claimed in claim 3, which is characterized in that
The quantity of first component (5) is at least two, side of first component (5) from the circuit board (4)
Setting is outwardly protruded, when the protrusion height of first component (5) is greater than preset protrusion height, at least two described the
One component (5) is separately laid along the surface of the circuit board (4).
5. electrical appliance kit as described in claim 1, which is characterized in that
The box cover (2) is fixedly connected by screw or buckle structure with the box body (1)；
And/or
The circuit board (4) is fixedly connected by card slot with the box body (1)；
And/or
The fan (3) is fixedly connected by screw or buckle structure with the box cover (2).
6. a kind of electric appliance case assembly characterized by comprising electrical appliance kit (100) a method as claimed in any one of claims 1 to 5 is also wrapped
It includes radiator (7), the radiator (7) is fixedly connected with the box body (1) of the electrical appliance kit (100), in order to the electrical appliance kit
(100) it radiates.
7. electric appliance case assembly as claimed in claim 6, which is characterized in that be set to the circuit board (4) of the electrical appliance kit (100)
On the second component (6) penetrated the box body (1) by the hole being set on the box body (1), and with the radiator (7)
It is fixedly connected, in order to second component (6) heat dissipation, the radiator (7) can be sealed the hole.
8. electric appliance case assembly as claimed in claims 6 or 7, which is characterized in that the material of the radiator (7) is aluminum profile
Matter.
9. a kind of air conditioner characterized by comprising such as the described in any item electric appliance case assemblies of claim 6-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820126037.2U CN208186646U (en) | 2018-01-25 | 2018-01-25 | A kind of electrical appliance kit, electric appliance case assembly and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820126037.2U CN208186646U (en) | 2018-01-25 | 2018-01-25 | A kind of electrical appliance kit, electric appliance case assembly and air conditioner |
Publications (1)
| Publication Number | Publication Date |
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| CN208186646U true CN208186646U (en) | 2018-12-04 |
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ID=64443108
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820126037.2U Active CN208186646U (en) | 2018-01-25 | 2018-01-25 | A kind of electrical appliance kit, electric appliance case assembly and air conditioner |
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| CN (1) | CN208186646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4290144A1 (en) * | 2022-06-08 | 2023-12-13 | Panasonic Intellectual Property Management Co., Ltd. | Heat pump cycle device |
-
2018
- 2018-01-25 CN CN201820126037.2U patent/CN208186646U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4290144A1 (en) * | 2022-06-08 | 2023-12-13 | Panasonic Intellectual Property Management Co., Ltd. | Heat pump cycle device |
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