CN213777944U - Air conditioner frequency conversion outer unit and air conditioning equipment thereof - Google Patents
Air conditioner frequency conversion outer unit and air conditioning equipment thereof Download PDFInfo
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- CN213777944U CN213777944U CN202023039876.7U CN202023039876U CN213777944U CN 213777944 U CN213777944 U CN 213777944U CN 202023039876 U CN202023039876 U CN 202023039876U CN 213777944 U CN213777944 U CN 213777944U
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Abstract
The utility model relates to the technical field of refrigeration air conditioners, in particular to an air conditioner frequency conversion outdoor unit and an air conditioning device thereof; the variable-frequency electric control box comprises a fan and a variable-frequency electric control box which are arranged in a case, wherein the variable-frequency electric control box comprises a box body and a variable-frequency electric controller arranged in the box body, the box body is a closed box body, one side of the box body is provided with a plurality of heat dissipation holes communicated with the outside, the other side wall of the box body is provided with a fan assembly, and outside air enters from the heat dissipation holes and is discharged out of the box body through the fan assembly; effectively improve the radiating effect of its automatically controlled box of frequency conversion and prevent that outside impurity from getting into in a large number the box body.
Description
Technical Field
The utility model relates to a refrigeration air conditioner technical field, concretely relates to outer machine of air conditioner frequency conversion and air conditioning equipment thereof.
Background
The conventional variable-frequency electric control is adopted, the small household air conditioner is mostly fixed by adopting a variable-frequency plastic electric control box, and a commercial system adopts an open structure of the electric control box, so that the problems that the internal temperature of the electric control box is higher and the service life is greatly reduced due to the power and severe environment operation in the operation of a host are mainly solved; at present, the frequency conversion electric control is carried out, dust, winged insects and the like enter due to no sealing, particularly, in a remote installation place, acidic and alkaline harmful substances in air are more, after the frequency conversion electric control board is used for a period of time, dust is more on the surface of a control board, and a circuit board is easily damaged by moisture and corrosion; the defects are that: the electric control sealing performance is poor, flying dust and mosquitoes are easy to enter in the electric control, the controller is damaged, devices are corroded, and the reliability is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air conditioner frequency conversion outer machine and air conditioning equipment that can effectively prevent the extensive entering of dust and winged insect.
In order to achieve the purpose, the main technical solution of the present invention is an air conditioner frequency conversion outdoor unit, including setting up fan and the automatically controlled box of frequency conversion at quick-witted incasement, the automatically controlled box of frequency conversion includes the box body and sets up the automatically controlled ware of frequency conversion in the box body, the box body adopts the closed box body, one side of box body is equipped with a plurality of louvres with outside intercommunication, another lateral wall of box body is equipped with a fan assembly, and outside air gets into and discharges the air of box body through the fan assembly from the louvre.
In some examples, the fan assembly includes at least one passive fan, and the fan is a negative pressure fan that reduces air pressure inside the chassis to drive the passive fan to rotate.
In some examples, the passive fan is disposed on an inner wall of the cassette proximate the heat-generating source.
In some examples, the passive fan includes an impeller and a seal ring, the impeller is disposed in an inner ring of the seal ring and is capable of rotating circumferentially relative to the seal ring; the inner wall of the box body is provided with a connecting hole, and the outer ring of the sealing ring is detachably connected in the connecting hole.
In some examples, a concave groove is arranged on the outer diameter surface of the sealing ring along the circumferential direction, and the opening caliber of the concave groove is equal to the thickness of the inner wall at the connecting hole; the inner diameter edge of the connecting hole can be embedded into the concave groove, and two side walls of the connecting hole are respectively attached to the inner wall of the concave groove.
In some examples, the inner wall of the box body on the same side of the fan assembly is also provided with a plurality of heat dissipation holes, so that two air inflow paths are formed and are exhausted from the fan assembly.
In some examples, the heat dissipation holes are arranged in at least one row and are arranged at the top end of the side wall of the box body.
The air conditioning equipment comprises an air conditioner internal unit and the air conditioner variable frequency external unit.
The utility model discloses owing to adopted above technical scheme to realize following advantage:
the box body of the variable-frequency electric control box is closed, so that the problem that a large amount of impurities such as external dust, winged insects and the like enter the variable-frequency electric control box body is effectively solved, and the air-conditioning variable-frequency outdoor unit can run for a long time in a severe environment; and secondly, the self-suction passive fan additionally arranged at the position where the driving heat source is dense drives the air to circulate, so that the electric control internal temperature is effectively reduced, and the running frequency and the comfort of the unit are improved.
Drawings
Figure 1 is a schematic structural view of an embodiment of the present invention,
fig. 2 is a schematic structural view of an air-conditioning inverter outdoor unit of the embodiment of fig. 1,
figure 3 is two air inflow paths a and B of the embodiment of figure 1,
figure 4 is a schematic diagram of the passive fan of the embodiment of figure 1,
figure 5 is a schematic view of the structure of a concave groove on the sealing ring of the embodiment of figure 1,
in the figure: the device comprises a front sealing plate 1, a passive fan 2, a left fixing plate 3, a driving module 4, a rear sealing plate 5, a contactor element 6, a right fixing plate 7, a top cover 8, an impeller 9, a variable-frequency electric control box 10, a concave groove 11, a sealing ring 12 and a negative pressure fan 20.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purpose of limitation.
It is to be understood that the terms "a" and "an" are to be interpreted as meaning that a number of one element may be one in one embodiment or multiple in another embodiment, and the terms "a" and "an" are not to be interpreted as limiting the number.
The first embodiment is as follows:
referring to fig. 1 to 5 of the drawings attached to the specification of the present invention, a frequency-variable outdoor unit of an air conditioner according to a preferred embodiment of the present invention is illustrated, including a fan and a frequency-variable electronic control box 10 disposed in a casing, wherein the frequency-variable electronic control box 10 includes a box body and a frequency-variable electronic controller disposed in the box body, the box body is a closed box body, one side of the box body is provided with a plurality of heat dissipation holes communicated with the outside, the other side wall of the box body is provided with a fan assembly, and the outside air enters from the heat dissipation holes and is discharged from the box body through the fan assembly; the technical scheme effectively solves the problems in two aspects: on one hand, compared with the originally unclosed variable-frequency electric control box 10, the large-scale entering of external dust and winged insects is prevented, and the influence of more acidic and alkaline harmful substances in the air on an internal circuit is eliminated; on the other hand, the situation that equipment is damaged due to overhigh internal heat generation is avoided.
Particularly, in this embodiment, the box body adopts the sheet metal component processing to make, the box body is including enclosing in proper order preceding closing plate 1, left fixed plate 3, back closing plate 5, right fixed plate 7, top cap 8 and bottom plate, preceding closing plate 1 is equipped with the fan subassembly, be equipped with the louvre on the back closing plate 5, be equipped with drive module 4 on the 3 inner walls of left side fixed plate, install frequency conversion electrical control component, contactor element 6 etc. in the box body, wherein, in this embodiment, the fan subassembly includes at least one passive fan 2, and so-called passive fan 2 is the fan that does not have the power supply promptly, the fan is negative pressure fan 20, and negative pressure fan 20 outside exhaust air makes indoor atmospheric pressure descend, and indoor air thins, and negative pressure fan 20's characteristics form a negative pressure zone, and the air is indoor owing to atmospheric pressure difference compensation inflow. The negative pressure fan 20 has the characteristics of ultra-large air discharge capacity, ultra-low energy consumption, low rotating speed, low noise and the like; because negative pressure is generated in the case to form air convection, the passive fan 2 can also rotate under the condition of no power source, and then the temperature in the variable-frequency electric control box 10 is discharged out of the box body, therefore, one part of the temperature in the variable-frequency electric control box 10 is discharged by the suction force of the negative pressure fan 20, and the other part is discharged by the rotation of the passive fan 2; in other embodiments, a fan having a driving source, such as a centrifugal fan, may be used to discharge the hot air from the box body by rotating the fan via a motor.
The passive fan 2 further comprises an impeller 9 and a sealing ring 12, wherein the impeller 9 is arranged in an inner ring of the sealing ring 12 and can rotate circumferentially relative to the sealing ring 12; a connecting hole is formed in the inner wall of the box body, and the outer ring of the sealing ring 12 is detachably connected into the connecting hole; the detachable connection mode is various, and can adopt a buckle, a bolt connection and the like, and in this embodiment, a concave groove 11 is arranged on the outer diameter surface of the sealing ring 12 along the circumferential direction, and the caliber of the groove opening of the concave groove 11 is equal to the thickness of the inner wall at the connecting hole; the inner diameter edge of the connecting hole can be embedded into the concave groove 11, and two side walls of the connecting hole are respectively attached to the inner wall of the concave groove 11; the sealing ring 12 is made of rubber and has certain elasticity; during installation, the sealing ring 12 can be slightly extruded to deform and be embedded into the connecting hole, namely, the effect of connection and fixation is realized, and the connection in the mode is convenient to install, saves materials and is relatively simple in structure, and the sealing ring is convenient to replace once damaged; in addition, because inside under negative pressure fan 20's effect, produce certain negative pressure, adopt this connected mode more to be favorable to passive fan 2 stable connection on the box body, be difficult for droing.
In order to further promote the radiating efficiency in the electronic control box 10 of frequency conversion, in this embodiment, passive fan 2 is established before on the lateral wall that is close to the source that generates heat in the box body of closing plate 1, and the better is with outside the box body is given to the row of box body steam, promotes radiating rate and efficiency.
In this embodiment, the inner wall of the box body located on the same side of the fan assembly is also provided with a plurality of heat dissipation holes, that is, the inner wall is located on the other end of the front sealing plate 1, so as to form two air inflow paths, namely path a and path B, where path B is a path where air enters from the heat dissipation holes on the rear sealing plate 5 and is exhausted from the fan assembly; the path A is that air enters from the heat dissipation hole at the other end of the front sealing plate 1 and is exhausted from the fan assembly, and two air inflow paths are formed, so that the flow of the air can be further improved, and the heat dissipation efficiency is improved; in addition, in the present embodiment, the heat dissipation holes are all provided at the top end of the front sealing plate 1 or the rear sealing plate 5, because hot air generally rises; and a ventilation hole is formed in the side wall of the case, which is on the same side with the rear sealing plate 5, and air in the path B enters the case body from the ventilation hole.
The heat dissipation mode of the equipment is as follows:
after the air conditioner variable frequency outdoor unit is started, negative pressure is generated in the case by the rotation of the negative pressure fan 20, the negative pressure drives the passive fan 2 in the variable frequency electric control box 10 to rotate, high-temperature heat in the electric control box is taken away, air inlets on two sides of the electric control box on the other side can be used for ventilation and are communicated with the outdoor environment side of the main machine to provide air with low temperature. Wherein, two paths can be used for air circulation, the path A is arranged at the left side of the electric control box, air enters from the front sealing plate 1, and after the electric control main board and part of devices are heated in the electric control box, the air flows out from the self-suction fan assembly and is blown out of the box body by the external motor; the B path is positioned on the right side, air is introduced from the outside from the rear part of the right side, enters the electric control box through the upper hole of the rear sealing plate 5, flows through the driving plate, flows out of the passive fan 2 after partial devices are processed, and is blown out of the box body by an external motor.
It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention.
The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.
Claims (8)
1. The utility model provides an outer machine of air conditioner frequency conversion, its characterized in that, is including setting up fan and the automatically controlled box of frequency conversion (10) at quick-witted incasement, automatically controlled box of frequency conversion (10) are including the box body and set up the automatically controlled ware of frequency conversion in the box body, the box body adopts the closed box body, be equipped with a plurality of louvres with outside intercommunication on one side wall of box body, another lateral wall of box body is equipped with a fan subassembly, and outside air gets into and discharges the air of box body through the fan subassembly from the louvre.
2. The outdoor unit of claim 1, characterized in that the fan assembly comprises at least one passive fan (2), the fan is a negative pressure fan (20), and the negative pressure fan (20) reduces the air pressure inside the casing to drive the passive fan (2) to rotate.
3. The air-conditioning variable frequency outdoor unit of claim 2, wherein the passive fan (2) is arranged on the inner wall of the box body close to the heat source.
4. The variable frequency outdoor unit of claim 2, characterized in that the passive fan (2) comprises an impeller (9) and a sealing ring (12), the impeller (9) is arranged in the inner ring of the sealing ring (12) and can rotate circumferentially relative to the sealing ring (12); the inner wall of the box body is provided with a connecting hole, and the outer ring of the sealing ring (12) is detachably connected in the connecting hole.
5. The variable frequency outdoor unit of claim 4, wherein the outer diameter surface of the sealing ring (12) is circumferentially provided with a concave groove (11), and the caliber of the concave groove (11) is equal to the thickness of the inner wall at the connecting hole; the inner diameter edge of the connecting hole can be embedded into the concave groove (11), and two side walls of the connecting hole are respectively attached to the inner wall of the concave groove (11).
6. The outdoor unit of claim 1, wherein the casing on the same side of the fan assembly has a plurality of heat dissipating holes formed in its inner wall, thereby forming two air inflow paths and exhausting air from the fan assembly.
7. The outdoor unit of claim 1 or 6, wherein the heat dissipation holes are arranged in at least one row and are disposed at the top of the sidewall of the casing.
8. Air conditioning equipment, characterized by comprising an air conditioner indoor unit and the air conditioner inverter outdoor unit as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023039876.7U CN213777944U (en) | 2020-12-16 | 2020-12-16 | Air conditioner frequency conversion outer unit and air conditioning equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023039876.7U CN213777944U (en) | 2020-12-16 | 2020-12-16 | Air conditioner frequency conversion outer unit and air conditioning equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213777944U true CN213777944U (en) | 2021-07-23 |
Family
ID=76898937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023039876.7U Active CN213777944U (en) | 2020-12-16 | 2020-12-16 | Air conditioner frequency conversion outer unit and air conditioning equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213777944U (en) |
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2020
- 2020-12-16 CN CN202023039876.7U patent/CN213777944U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 323000 No.96 Yunjing Road, Shuige Industrial Park, Lishui City, Zhejiang Province Patentee after: Zhejiang Zhongguang Electric Appliance Group Co.,Ltd. Address before: 323000 No.96 Yunjing Road, Shuige Industrial Park, Lishui City, Zhejiang Province Patentee before: ZHEJIANG ZHONGGUANG ELECTRIC APPLIANCES Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |