CN214370614U - Fan bracket, air conditioner outer unit and air conditioning system - Google Patents
Fan bracket, air conditioner outer unit and air conditioning system Download PDFInfo
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- CN214370614U CN214370614U CN202022914491.4U CN202022914491U CN214370614U CN 214370614 U CN214370614 U CN 214370614U CN 202022914491 U CN202022914491 U CN 202022914491U CN 214370614 U CN214370614 U CN 214370614U
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000010438 heat treatment Methods 0.000 claims description 14
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims 1
- 238000010977 unit operation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000005057 refrigeration Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010257 thawing Methods 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides an outer machine of fan bracket component, air conditioner and air conditioning system relates to air conditioning system technical field, has solved the air conditioner hot water unit that exists among the prior art and has produced the technical problem of unnecessary power loss easily. The fan support assembly comprises a fan support body and a controller, wherein an air guide device is arranged on the fan support body, and the controller is connected with the air guide device and used for controlling the opening degree of the air guide device to be increased or reduced based on the size of the unit load. The utility model discloses can be based on unit load size and the automatic adjustment air inlet amount of wind, unnecessary power loss when reducing the unit operation greatly has solved the unit and has frequently defrosted, high-voltage fault, frequently open and stop the scheduling problem, has improved the reliability of complete machine operation.
Description
Technical Field
The utility model belongs to the technical field of air conditioning system technique and specifically relates to an outer machine of fan support, air conditioner and air conditioning system is related to.
Background
Along with the expansion of a customer group, the larger the index of the application range of the multifunctional air-conditioning water heater unit is, the greater the capacity output of the unit is, and although most of the multifunctional air-conditioning water heater unit can solve the problem of partial load by adopting a stepless regulation or variable frequency output scheme, the problem of limitation of the output range of a compressor still exists.
The applicant has found that the prior art has at least the following technical problems: the motor support of present air conditioner hot water machine is because the stable demand of support motor, and its structural design is great, and nevertheless too big motor support keeps off can lead to the inside not enough condition of amount of wind to appear of unit on the water conservancy diversion circles, leads to the inside wind current field of unit unusual, and the unnecessary power loss can appear gradually rolling up. When the unit is in a light working condition, the unit can easily reach a control target, so that a strange circle which is frequently started and stopped is involved; when the unit is in heavy working condition, the air quantity is insufficient during refrigeration, so that the unit is in high-pressure fault risk, and frequent defrosting is caused due to insufficient air quantity during heating.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an outer machine of fan support, air conditioner and air conditioning system to solve the air conditioner hot water unit that exists among the prior art and produce the technical problem of unnecessary power loss easily. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a fan bracket component, including fan support body and controller be equipped with air ducting on the fan support body, the controller with air ducting is connected, is used for control air ducting's aperture is based on the size of unit load and increase or reduce.
According to a preferred embodiment, the fan bracket body is provided with a fan blade motor, and the air guide device is arranged on the upper side and the lower side of the fan blade motor.
According to a preferred embodiment, the air guiding device comprises a plurality of air guiding sheets, and the controller is connected with the plurality of air guiding sheets.
According to a preferred embodiment, when the opening degree of the air guiding device is controlled to be increased, the controller controls each air guiding sheet to be opened to a set deflection angle; when the opening degree of the air guide device is controlled to be reduced, the controller controls each air guide sheet to be in a closed state.
According to a preferred embodiment, the set deflection angle of each wind guiding plate is consistent with the wind direction angle of the wind field flowing from the heat exchanger fin to each wind guiding plate inside the air conditioner outdoor unit.
The utility model also provides an outer machine of air conditioner, including aforementioned fan bracket component.
According to a preferred embodiment, the air-conditioning outdoor unit is an air-conditioning outdoor unit and a water heating outdoor unit.
The utility model also provides an air conditioning system, include the outer machine of air conditioner.
According to a preferred embodiment, the system further comprises a condenser pressure sensor, an outlet water temperature sensor, a dry bulb temperature sensor and a wet bulb temperature sensor, wherein the condenser pressure sensor, the outlet water temperature sensor, the dry bulb temperature sensor and the wet bulb temperature sensor are respectively connected with the controller.
According to a preferred embodiment, in a unit refrigeration state, the controller judges the load size of the unit based on the condenser pressure monitored by the condenser pressure sensor and the outlet water temperature monitored by the outlet water temperature sensor; controlling the opening of the air guide device to increase or decrease based on the load of the unit;
in a heating state of the unit, the controller judges the load of the unit based on the dry bulb temperature monitored by the dry bulb temperature sensor and the wet bulb temperature monitored by the wet bulb temperature sensor, and controls the opening of the air guide device to increase or decrease based on the load of the unit.
The utility model also provides a control method of fan bracket component, include:
judging whether the unit is in a refrigerating state or a heating state;
when the unit is in a refrigerating state, judging the load of the unit based on the monitored condenser pressure and the outlet water temperature; the opening of an air guide device of the fan bracket assembly is controlled to be increased or decreased based on the load of the unit;
when the unit is in a heating state, judging the load of the unit based on the monitored dry bulb temperature and wet bulb temperature; and the opening of the air guide device of the fan bracket assembly is controlled to be increased or reduced based on the load of the unit.
According to a preferred embodiment, when the unit is in a refrigeration state and the load is large, each air deflector of the air guiding device is controlled to increase to a set deflection angle; when the unit is in a refrigerating state and is under a small load, each air guide sheet of the air guide device is controlled to be reduced to a closed state;
when the unit is in a heating state and the load is large, each air guide sheet of the air guide device is controlled to be increased to a set deflection angle; when the unit is in a heating state and the load is small, each air guide sheet of the air guide device is controlled to be reduced to a closed state.
According to a preferred embodiment, the set deflection angle of each wind guide plate is consistent with the wind direction angle of a wind field flowing from the heat exchanger fin to each wind guide plate inside the air conditioner outdoor unit.
Based on the technical scheme, the utility model discloses an outer machine of fan bracket component, air conditioner and air conditioning system has following technological effect at least:
the fan bracket component of the utility model is provided with the air guide device on the fan bracket, the opening degree of the air guide device is controlled by the controller to be increased or reduced based on the size of the unit load, when the unit load is large, the required air volume is large, so the opening degree of the air guide device is increased to reduce the wind resistance loss; when the load of the unit is small, the required air volume is small, so that the opening degree of the air guide device is reduced, the air volume of the unit is reduced, the air inlet volume can be automatically adjusted based on the load of the unit, unnecessary power loss during operation of the unit is greatly reduced, the problems of frequent defrosting, high-voltage failure and frequent starting and stopping of the unit are solved, and the operation reliability of the whole machine is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 and 2 are schematic structural views of a fan support assembly according to the present invention;
fig. 3 is a block diagram of a connection mode of the controller in the fan bracket assembly according to the present invention;
fig. 4 is a schematic view of the wind direction angle when the wind field passes through the wind deflector in the fan bracket assembly of the present invention;
fig. 5 is a block diagram illustrating a connection mode of a controller in the air conditioning system according to the present invention;
fig. 6 is a graph showing the relationship between the pressure difference and the water temperature change rate during the refrigeration of the unit of the present invention.
In the figure: 1-a fan support body; 2-an air guide device; 3-a fan blade motor; 4-a controller; 5-wind guide pieces; 6-heat exchanger fins; 7-fan blades; 41-condenser pressure sensor; 42-outlet water temperature sensor; 43-dry bulb temperature sensor; 44-wet bulb temperature sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.
The technical solution of the present invention will be described in detail with reference to the accompanying drawings 1 to 6.
As shown in fig. 1 to 3, the utility model provides a fan bracket component, including fan bracket body 1 and controller 4, be equipped with air ducting 2 on fan bracket body 1, controller 4 is connected with air ducting 2 for the aperture of controlling air ducting 2 increases or reduces based on the size of unit load. The opening and closing angle of the air guide device is automatically adjusted based on the load of the unit, and when the load of the unit is large, the required air volume is large, so that the opening degree of the air guide device is increased to reduce the wind resistance loss; when the load of the unit is small, the required air volume is small, the opening degree of the air guide device is reduced, the air volume of the unit is reduced, the air inlet volume of the unit is further automatically adjusted, unnecessary power loss during the operation of the unit is greatly reduced, the problems of frequent defrosting, high-voltage faults and frequent starting and stopping of the unit are solved, and the operation reliability of the whole machine is improved.
As shown in fig. 1 and 2, preferably, a fan blade motor 3 is mounted on the fan support body 1. The wind guide device 2 is arranged at the upper side and the lower side of the fan blade motor 3. The fan blade motor 3 is used for installing fan blades. The wind field is driven by the rotation of the fan blades to enter the unit after passing through the wind guide device on the fan bracket component. The upper side and the lower side of the fan blade motor 3 are respectively provided with the air guide device 2, so that the air inlet amount can be further increased when the load is large. Preferably, the air guiding device 2 includes a plurality of air guiding plates 5, and the controller 4 is connected to the plurality of air guiding plates. The air guiding device 2 is provided with a plurality of rotatable air guiding sheets 5, and the controller 4 can control the rotation of each air guiding sheet so as to control the angle of each air guiding sheet to be increased when the load is large and to control the angle of each air guiding sheet to be decreased when the load is small.
Preferably, when the opening degree of the air guiding device 2 is controlled to be increased, the controller 4 controls each air guiding sheet to be opened to the set deflection angle; when the opening degree of the air guiding device 2 is controlled to be reduced, the controller 4 controls each air guiding sheet to be in a closed state. Preferably, as shown in fig. 4, an arrow in fig. 4 is an internal wind direction diagram of the external machine, the wind guide plates are arranged at the rear side of the fan blades 7, and the deflection angle of each wind guide plate is set according to a wind direction measured in advance. The set deflection angle of each air guide sheet is consistent with the wind direction angle of the wind field of each air guide sheet 5 flowing from the heat exchanger fin 6 to the air guide device 2 in the air conditioner external unit. When the unit load is large, the angle of each air guide sheet is opened to be attached to the wind direction angle in the wind field, the air quantity of the unit is increased, and meanwhile, the wind resistance loss is reduced. When the unit is loaded with small load, the required air volume is small, and each air guide sheet is controlled to be in a closed state, so that the effect of reducing the air volume of the unit is achieved.
The utility model discloses a fan bracket component can control the amount of wind size of unit under different loads through the deflection angle of adjustment guide vane, and when the unit load is big, required amount of wind is big, transfers the wind direction angle of the angle laminating wind field of big guide vane to every guide vane to reach the effect that reduces the windage loss, increase the unit amount of wind. When the load of the unit is small, the required air volume is small, the opening degree of the air guide sheet is adjusted to be in a closed state, the effect of reducing the air volume of the unit is achieved, and unnecessary power loss of the unit is greatly reduced.
The utility model also provides an outer machine of air conditioner, including aforementioned fan bracket component. Preferably, the air-conditioning outdoor unit is an air-conditioning outdoor unit and a water-heating outdoor unit.
The utility model also provides an air conditioning system, include the outer machine of air conditioner. As shown in fig. 5, the air conditioning system preferably further includes a condenser pressure sensor 41, an outlet water temperature sensor 42, a dry bulb temperature sensor 43, and a wet bulb temperature sensor 44, wherein the condenser pressure sensor 41, the outlet water temperature sensor 42, the dry bulb temperature sensor 43, and the wet bulb temperature sensor 44 are respectively connected to the controller 4. In the unit refrigeration state, the controller 4 judges the load size of the unit based on the condenser pressure monitored by the condenser pressure sensor 41 and the outlet water temperature monitored by the outlet water temperature sensor 42; and controls the opening of the air guide device 2 to increase or decrease based on the load of the unit. In the unit heating state, the controller 4 determines the load of the unit based on the dry-bulb temperature monitored by the dry-bulb temperature sensor 43 and the wet-bulb temperature monitored by the wet-bulb temperature sensor 44, and controls the opening of the air guiding device 2 to increase or decrease based on the load of the unit.
The utility model also provides a control method of fan bracket component, include:
judging whether the unit is in a refrigerating state or a heating state;
when the unit is in a refrigerating state, monitoring the pressure of the condenser and the temperature of the outlet water in real time, and judging the load of the unit based on the monitored pressure of the condenser and the monitored temperature of the outlet water; the opening of the air guide device 2 of the fan bracket assembly is controlled to be increased or decreased based on the load of the unit; when the unit is in a refrigerating state and the load is large, each air guide sheet of the air guide device is controlled to be increased to a set deflection angle; when the unit is in a refrigerating state and the load is small, each air guide sheet of the air guide device is controlled to be reduced to a closed state.
When the unit is in a heating state, monitoring the dry bulb temperature and the wet bulb temperature in real time, and judging the load of the unit based on the monitored dry bulb temperature and the monitored wet bulb temperature; and the opening of the air guide device 2 of the fan bracket component is controlled to be increased or reduced based on the load of the unit. When the unit is in a heating state and the load is large, each air guide sheet of the air guide device is controlled to be increased to a set deflection angle; when the unit is in a heating state and the load is small, each air guide sheet of the air guide device is controlled to be reduced to a closed state.
Preferably, the set deflection angle of each air guiding plate is consistent with the wind direction angle of the wind field flowing from the heat exchanger fin to the air guiding device 2 in the air conditioner external unit.
Specifically, when the unit refrigerates, the pressure P of the condenser is monitored in real time, a high-pressure fault point P1 is set, and the pressure difference delta P is calculated to be P1-P; and monitoring the water outlet temperature to in real time, and calculating the water temperature change rate delta t to tot-to (t-60).
The boundary equation Δ P ═ α × Δ t is calculated as shown in fig. 6.
When the differential pressure delta P is in a region 2 in the graph 6, the differential pressure is small, the water temperature change rate is large, the output of the whole machine capacity is large, the output capacity of the unit needs to be weakened, the air guide plates of the air guide device are controlled to be closed, and heat exchange of the external unit is delayed;
when the water temperature change rate delta t is in a region 1 in fig. 6, the pressure difference is large, the water temperature change rate is small, the output of the capacity of the whole machine is insufficient, the heat exchange of the external machine is not smooth, the heat exchange capacity of the external machine needs to be improved, and the air guide plates are controlled to be opened to a set deflection angle.
When the unit heats:
monitoring the temperature Th of the dry bulb in real time, and setting a rated temperature point to be 7 ℃;
the wet bulb temperature Te is monitored in real time.
The judgment formula β is calculated as (Th-7)/(/ Th-7/water) × (Te/Th).
When beta is not more than 0 and not less than-80 percent, opening the air guide plate to a set deflection angle;
otherwise, the air guide sheet is closed, and the heat exchange of the external unit is delayed.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a fan bracket component, its characterized in that includes fan bracket body (1) and controller (4) be equipped with air ducting (2) on fan bracket body (1), controller (4) with air ducting (2) are connected for control the aperture of air ducting (2) increases or reduces based on the size of unit load.
2. The fan bracket assembly according to claim 1, wherein the fan bracket body (1) is provided with a fan motor (3), and the air guide device (2) is arranged on the upper side and the lower side of the fan motor (3).
3. The fan support assembly according to claim 1, wherein the air guide device (2) comprises a plurality of air guide plates (5), and the controller (4) is connected with the plurality of air guide plates (5).
4. The fan bracket assembly according to claim 3, wherein when the opening degree of the air guiding device (2) is controlled to be increased, the controller (4) controls each air guiding sheet (5) to be opened to a set deflection angle; when the opening degree of the air guide device (2) is controlled to be reduced, the controller (4) controls each air guide sheet (5) to be in a closed state.
5. The fan bracket assembly according to claim 4, wherein the set deflection angle of each of the air deflectors (5) is consistent with the wind direction angle of the wind field flowing from the heat exchanger fin (6) to each of the air deflectors (5) inside the air conditioner outdoor unit.
6. An outdoor unit of an air conditioner, characterized by comprising the fan bracket assembly of any one of the preceding claims 1 to 5.
7. The outdoor unit of claim 6, wherein the outdoor unit is an outdoor unit of an air-conditioning water heater.
8. An air conditioning system comprising the outdoor unit of claim 6 or 7.
9. The air conditioning system according to claim 8, further comprising a condenser pressure sensor (41), an outlet water temperature sensor (42), a dry bulb temperature sensor (43) and a wet bulb temperature sensor (44), wherein the condenser pressure sensor (41), the outlet water temperature sensor (42), the dry bulb temperature sensor (43) and the wet bulb temperature sensor (44) are respectively connected to the controller (4).
10. The air conditioning system according to claim 9, wherein in the unit cooling state, the controller (4) determines the load size of the unit based on the condenser pressure monitored by the condenser pressure sensor (41) and the leaving water temperature monitored by the leaving water temperature sensor (42); the opening of the air guide device (2) is controlled to be increased or decreased based on the load of the unit;
in a unit heating state, the controller (4) judges the load of the unit based on the dry bulb temperature monitored by the dry bulb temperature sensor (43) and the wet bulb temperature monitored by the wet bulb temperature sensor (44), and controls the opening of the air guide device (2) to increase or decrease based on the load of the unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022914491.4U CN214370614U (en) | 2020-12-07 | 2020-12-07 | Fan bracket, air conditioner outer unit and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022914491.4U CN214370614U (en) | 2020-12-07 | 2020-12-07 | Fan bracket, air conditioner outer unit and air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214370614U true CN214370614U (en) | 2021-10-08 |
Family
ID=77982007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022914491.4U Active CN214370614U (en) | 2020-12-07 | 2020-12-07 | Fan bracket, air conditioner outer unit and air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214370614U (en) |
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2020
- 2020-12-07 CN CN202022914491.4U patent/CN214370614U/en active Active
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