CN110497773B - Air flow adjusting device of automobile air conditioner - Google Patents
Air flow adjusting device of automobile air conditioner Download PDFInfo
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- CN110497773B CN110497773B CN201910821244.9A CN201910821244A CN110497773B CN 110497773 B CN110497773 B CN 110497773B CN 201910821244 A CN201910821244 A CN 201910821244A CN 110497773 B CN110497773 B CN 110497773B
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- piezoelectric ceramic
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- copper
- air outlet
- clamping seat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/34—Nozzles; Air-diffusers
- B60H1/3414—Nozzles; Air-diffusers with means for adjusting the air stream direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/34—Nozzles; Air-diffusers
- B60H2001/3471—Details of actuators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Abstract
The invention relates to an air flow adjusting device of an automobile air conditioner, which effectively solves the following problems: the manual automobile air conditioner is inconvenient to adjust the air speed of the air outlet far away from a driver, and more attention needs to be paid to an adjusting control system independently arranged at each air outlet so as to influence the driving safety; the technical scheme is as follows: the invention relates to an automobile air conditioner airflow adjusting device which comprises an air outlet shell, wherein a plurality of groups of piezoelectric ceramic bimorphs are arranged in the air outlet shell at intervals, one end of each group of piezoelectric ceramic bimorph, which is provided with a copper-clad layer, is fixed in the air outlet shell through a metal clamping seat, the other end of each group of piezoelectric ceramic bimorph freely swings, and the metal clamping seat and the piezoelectric ceramic bimorph are connected with a piezoelectric ceramic driving power supply; the air inlet end of the air outlet shell is provided with the air inlet pipe, the air flow adjusting device for the automobile air conditioner is designed into an adjusting structure of the air outlet of the automobile air conditioner by utilizing the swinging characteristic of the piezoelectric ceramic bimorph, the energy is saved, the environment is protected, the device is small in energy consumption, simple and compact in structure and convenient to operate.
Description
Technical Field
The invention relates to the technical field of automobile air conditioners, in particular to an air flow adjusting device of an automobile air conditioner.
Background
An automobile air conditioning system is a device for refrigerating, heating, ventilating and purifying air in a carriage. The automobile seat cushion can provide a comfortable riding environment for passengers, reduce the fatigue strength of a driver and improve the driving safety. Air conditioners have become one of the indicators for judging whether the functions of automobiles are complete.
The automobile air conditioner can be divided into: manual air conditioning and automatic air conditioning. The automatic air conditioners are further classified into temperature zone control, rear row independent air conditioners, and the like. Temperature adjustment and air outlet wind direction adjustment of a manual air conditioner are completed by means of manual adjustment, the adjustment process needs the attention of a driver to shift, certain influence is caused on driving safety, particularly, the driver needs to continuously press a wind force adjusting button when the temperature and the wind force are adjusted, and the wind direction adjustment needs to be respectively adjusted when each air outlet needs different wind directions, which is very inconvenient for the air outlet far away from the driver, so that the driver needs to stop to operate when the driver wants to adjust the air outlet in front of old people, children or honorable guests, and the automatic air conditioning air outlet can realize automatic air sweeping.
Disclosure of Invention
The technical problem to be solved by the invention is that the manual automobile air conditioner is inconvenient to adjust the air speed far away from the air outlet of a driver, and the driver needs to stop when wanting to adjust the air outlet in front of the old, children or honored guests; the invention provides an air flow adjusting device for an automobile air conditioner, which aims to solve the problems that the wind power and the temperature of the automatic automobile air conditioner are adjusted by continuously pressing a control panel by a driver, and the adjustment control system with each air outlet independently needs to pay more attention so as to influence the driving safety.
The object of the invention is achieved in the following way: the invention relates to an automobile air conditioner airflow adjusting device which comprises an air outlet shell, wherein a plurality of groups of piezoelectric ceramic bimorphs are arranged in the air outlet shell at intervals, one end of each group of piezoelectric ceramic bimorph, which is provided with a copper-coated layer, is fixed in the air outlet shell through a metal clamping seat, the other end of each group of piezoelectric ceramic bimorph freely swings, and the metal clamping seat and the piezoelectric ceramic bimorph are connected with a piezoelectric ceramic driving power supply; an air inlet pipe is arranged at the air inlet end of the air outlet shell.
Compared with the prior art, the automobile air conditioner air flow adjusting device provided by the invention is designed into an automobile air conditioner air outlet adjusting structure by utilizing the swinging characteristic of the piezoelectric ceramic bimorph, is energy-saving and environment-friendly, can realize opening and closing operations only by controlling the piezoelectric ceramic driving power supply by one key, can quickly realize air conditioner air speed adjustment and air sweeping adjustment, is simple and reliable in process, avoids the problem that the air outlet structure is complex and easy to damage due to the fact that the air sweeping structure is arranged in a narrow space of the automobile air conditioner air outlet, has a good adjusting effect, consumes far less electric energy than a motor air sweeping structure, and is convenient to operate because the automobile air conditioner air outlet is far smaller than a household air conditioner or an industrial air conditioner, but has a large number of air conditioner ports, and is low in energy consumption, simple and compact in structure.
Drawings
FIG. 1 is a schematic view of the present invention.
FIG. 2 is a front view of the present piezoceramic bimorph.
Fig. 3 is a top view of a piezoceramic bimorph.
Fig. 4 is a front cross-sectional view of the first piezoceramic bimorph being connected to the first metal cassette.
Fig. 5 is a front view of the wind speed adjusting unit coupled to the second metal holder.
FIG. 6 is a first structural diagram illustrating a usage status of the present invention.
FIG. 7 is a second structural diagram illustrating a usage status of the present invention.
Fig. 8 is a schematic structural diagram of the metal cartridge of the present invention.
FIG. 9 is a schematic structural diagram of a piezoceramic bimorph according to the present invention.
Fig. 10 is a schematic view of a longitudinal sectional structure of the outlet according to the present invention.
FIG. 11 is a schematic view of the structure of adjusting wind speed and sweeping wind according to the present invention.
Fig. 12 is a schematic diagram of the current flow of the piezoceramic wafer.
In the drawings 1-6, 1-an air outlet shell, 2-a first piezoelectric ceramic bimorph, 3-a second piezoelectric ceramic bimorph, 4-a metal clamping seat, 5-an air inlet pipe, 6-a piezoelectric ceramic bimorph, 7-an insulating layer, 8-a copper-coated fiber sheet, 9-an extension head, 10-a lead, 11-an air deflector, 12-a first metal clamping seat, 13-a second metal clamping seat, 14-a copper-coated layer, 15-a ceramic sheet and 16-a silver layer.
Detailed Description
As shown in fig. 1-3, the piezoelectric ceramic bimorph 6 is composed of two piezoelectric ceramic pieces, a copper-clad fiber piece 8 is adhered between the two piezoelectric ceramic pieces, two ends of the copper-clad fiber piece 8 extend out of the piezoelectric ceramic bimorph 6, one end of the copper-clad fiber piece 8 is provided with a copper-clad layer 14, the copper-clad layer 14 is conductive, the copper-clad layers 14 are arranged on the upper and lower side surfaces of the copper-clad fiber piece 8, the copper-clad layers 14 on the two side surfaces are not in contact, and the copper-clad layer 14 on the copper-clad fiber piece 8 is the positive electrode of the piezoelectric ceramic bimorph 6; the silver layer 16 is arranged on the ceramic sheet 15 of each piezoelectric ceramic sheet, the silver layer 16 is not fully coated with the silver layer, so that the silver layer 16 is not connected with the copper-coated layer 14, the silver layer 16 is a piezoelectric ceramic cathode, the other end of the copper-coated fiber sheet 8 is provided with an extension head, and the extension head can reduce the length of the ceramic in the piezoelectric ceramic double-wafer 6 and enhance the reliability of the piezoelectric ceramic double-wafer.
The copper-clad fiber sheet 8 is a thin sheet with the thickness less than 1 millimeter, two side faces of the copper-clad fiber sheet 8 are both provided with copper, the copper-clad fiber sheet 8 can enable the piezoelectric ceramic bimorph 6 to rebound and increase the strength of the piezoelectric ceramic bimorph 6, the copper on the copper-clad fiber sheet 8 can conduct electricity, and the fiber part of the copper-clad fiber sheet 8 is an insulator, so that when voltage is applied to the copper-clad fiber sheet 8, currents flowing through two side faces of the copper-clad fiber sheet 8 are not affected by each other, and the two circuits are connected in parallel equivalently.
The improved piezoceramic bimorph 6 is applied to an automobile air conditioner airflow adjusting device, the improved piezoceramic bimorph comprises an air outlet shell 1, a plurality of groups of piezoceramic bimorphs 6 are vertically arranged in the air outlet shell 1 at intervals, one end of each group of piezoceramic bimorphs 6, which is provided with a copper-coated layer 14, is fixed in the air outlet shell 1 through a metal clamping seat 4, the other end of each group of piezoceramic bimorphs swings freely, the metal clamping seat 4 is connected with a silver layer 16 on the piezoceramic bimorph 6, namely the metal clamping seat 4 is connected with the negative electrode of the piezoceramic bimorph 6; two sides of the copper-clad fiber sheet 8, which are provided with the copper-clad layers 14, are respectively provided with a lead 10 through conductive adhesives, namely the lead 10 is connected with the anode of the piezoelectric ceramic bimorph 6, and the lead 10 and the metal clamping seat 4 are respectively connected to the anode and the cathode of a piezoelectric ceramic driving power supply through leads, so that two piezoelectric ceramic pieces 15 in the piezoelectric ceramic bimorph 6, the copper-clad fiber sheet 8, the metal clamping seat 4 and the piezoelectric ceramic driving power supply form two closed loops; the air inlet end of the air outlet shell 1 is provided with an air inlet pipe 5.
In order to simplify the circuit, the metal card holders 4 are connected by conductive adhesive, that is, the metal card holders are electrically connected, so that the metal card holders 4 are connected in series, and then the metal card holders bonded together are connected with the piezoelectric ceramic driving power supply by leads.
The current flow direction of the piezoelectric ceramic driving power supply is as follows: the current of the piezoelectric ceramic driving power supply flows out from the positive electrode, flows to the copper-clad layer 14 connected with the lead 10 through the lead and the lead 10, then flows to the copper-clad fiber sheet 8 through the copper-clad layer 14, then flows to the piezoelectric ceramic sheet 15 through the copper-clad flow direction on the copper-clad fiber sheet 8, finally flows to the metal clamping seat 4 through the silver layer 16 of the piezoelectric ceramic sheet 15, and then flows to the negative electrode of the piezoelectric ceramic driving power supply through the metal clamping seat 4, as shown in figure 12.
For simple to operate installation pottery bimorph, metal cassette 4 is the U type, clamps piezoceramics bimorph 6 in metal cassette 4, glues piezoceramics bimorph 6 in metal cassette 4 through the bonding of electrically conductive silver glue, and metal cassette 4 adopts the aluminium material, not only can alleviate the weight of metal cassette 4, can make metal cassette 4 have good electric conductive property moreover.
In order to prevent the conducting wire 10 and the metal card seat 4 from being communicated and forming a short circuit, two sides of the copper-clad layer 14 of the copper-clad fiber sheet 8 are bonded through conducting wire glue, and then the copper-clad layer 14 and the conducting wire are sealed into the insulating layer 7 through insulating glue.
In order to realize the wind speed regulation and wind sweeping operation, the piezoelectric ceramic bimorph 6 is not less than 4 groups, as shown in fig. 11, the groups are transversely arranged in parallel, the structures of each group of piezoelectric ceramic bimorph are the same, and each group of piezoelectric ceramic bimorph 6 comprises a wind sweeping regulation unit and a wind speed regulation unit, wherein the wind sweeping regulation unit is a first piezoelectric ceramic bimorph 2 arranged at the wind outlet end of the air outlet shell 1, the polarities of the electrodes of the first piezoelectric ceramic bimorphs 2 of all the groups are the same, and after the first piezoelectric ceramic bimorphs 2 with the same electrode apply the same voltage signal, the swinging directions of the first piezoelectric ceramic bimorph 2 are the same, so that the wind sweeping regulation can be realized; the air inlet end at the air outlet is installed to the unit of adjusting the wind speed, the unit of adjusting the wind speed comprises two fixed second piezoceramics bimorphs 3 together, the electrode polarity of two fixed second piezoceramics bimorphs 3 together is opposite, adjust the wind speed unit and exert voltage signal, make two second piezoceramics bimorphs 3 in the unit of adjusting the wind speed swing to opposite direction respectively, two second piezoceramics bimorphs 3 of adjusting the wind speed unit are kept away from or are close to, thereby make two units of adjusting the wind speed of adjacent group just realize opening and shutting to the air inlet end of air outlet shell 1, thereby adjust the size of the air inlet end wind speed of air outlet shell 1. Note that the first piezoceramic bimorph 2 and the second piezoceramic bimorph 3 are both configured as shown in fig. 1 to 3.
In order to facilitate the installation of the first piezoceramic bimorph 2 and the wind speed adjusting unit, the metal clamping seat 4 includes a first metal clamping seat 12 and a second metal clamping seat 13, and the first metal clamping seat 12 and the second metal clamping seat 13 have the same structure and are both U-shaped structures. The wind sweeping adjusting unit is adhered to the first metal clamping seat 12 through silver paste, as shown in the attached drawing 4, and is fixed to the wind outlet end of the air outlet shell 1 through the first metal clamping seat 12, and the wind speed adjusting unit is adhered to the second metal clamping seat 13 through silver paste, as shown in the attached drawing 5, and is fixed to the wind inlet end of the air outlet shell 1 through the second metal clamping seat 13.
The air outlet end of the air outlet shell 1 is provided with an air deflector 11, the air outlet is arranged into a plurality of layers, a plurality of groups of piezoelectric ceramic bimorphs 6 are arranged in each layer of air outlet shell 1, the height of each layer of air outlet is reduced after the air outlet is layered, the height of each layer of air outlet is reduced, the processing cost of the piezoelectric ceramic bimorphs 6 is reduced, the damage rate of the piezoelectric ceramic bimorphs 6 is reduced, the stability and the reliability of the adjusting device are ensured, the air deflector 11 realizes the up-and-down air direction adjustment of one direction, the left-and-right air direction conversion of the first piezoelectric ceramic bimorph 2 is realized, the requirement of direct air blowing to people is met, the swing of the air direction is also realized, the directions of the air deflector 11 and the first piezoelectric ceramic bimorph 2 in the air outlet shell 1 can be interchanged, the up-and-down air direction swing of the air outlet can be realized after the exchange, and the left-and right fixation is realized.
The first metal card holder 12 and the first piezoelectric ceramic bimorph 2 are connected with a first piezoelectric ceramic driving power supply, and the second metal card holder 13 and the second piezoelectric ceramic bimorph 3 are connected with a second piezoelectric ceramic driving power supply.
First piezoceramics drive power supply and second piezoceramics drive power supply adopt the PDS310-D of Shanghai namo nanometer company, first piezoceramics bimorph 2 adopts PZT4 or PZT4 series D33 to be greater than 700pc/N with second piezoceramics bimorph 3, loss tg delta is less than the ceramic wafer 15 of 0.03 material preparation, first piezoceramics bimorph 2 and second piezoceramics bimorph 3 are through ageing treatment, it is prior art to cover copper fibre piece 8, and the patent has been applied for, the patent number is: CN201280024258.4.
In order to conveniently adjust the wind speed and the wind direction, the switches of the first piezoelectric ceramic driving power supply and the second piezoelectric ceramic driving power supply are arranged on the steering wheel, and a driver turns on the first piezoelectric ceramic driving power supply connected with the first piezoelectric ceramic bimorph 2 or the second piezoelectric ceramic driving power supply connected with the second piezoelectric ceramic bimorph 3 according to needs to adjust the wind speed and the wind direction.
The working process of the invention is as follows: when a driver drives the vehicle, firstly, an air conditioner switch is turned on as required, when the required wind speed changes, a first piezoelectric ceramic driving power supply is turned on, the first piezoelectric ceramic driving power supply provides rectangular square wave voltage for the first piezoelectric ceramic bimorph 2 through the first metal clamping seat 12, and as the polarities of the electrodes of the two first piezoelectric ceramic bimorphs 2 are the same and the same voltage signal is applied to the first piezoelectric ceramic bimorph 2, the swinging directions of the first piezoelectric ceramic bimorphs 2 in each row can be the same, so that the extension head is driven to swing, the first piezoelectric ceramic bimorph 2 is driven to perform wind sweeping operation, and wind sweeping adjustment is realized; when the air speed of the air conditioner needs to be adjusted, the second driving piezoelectric ceramic driving power supply is turned on, the second piezoelectric ceramic driving power supply supplies voltage to the air speed adjusting unit through the second metal clamping seat 13, the polarities of the electrodes of the two second piezoelectric ceramic bimorphs 3 in the air speed adjusting unit are opposite, when the same voltage signal is applied, the two second piezoelectric ceramic bimorphs 3 in the air speed adjusting unit swing towards opposite directions respectively, the two second piezoelectric ceramic bimorphs 3 of the air speed adjusting unit are far away or close to each other, so that the air inlet ends of the air outlet shell 1 are just opened and closed by the two adjacent air speed adjusting units, and the air speed of the air inlet ends of the air outlet shell 1 is adjusted.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the present invention, and these should also be construed as the protection scope of the present invention. The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the overall concept of the present invention, and these should also be construed as the protection scope of the present invention.
Claims (6)
1. The utility model provides a vehicle air conditioner air current adjusting device which characterized in that: the air outlet structure comprises an air outlet shell (1), wherein a plurality of groups of piezoelectric ceramic bimorphs (6) are arranged in the air outlet shell (1) at intervals, one end, provided with a copper-coated layer (14), of each group of piezoelectric ceramic bimorph (6) is fixed in the air outlet shell (1) through a metal clamping seat (4), the other end of each group of piezoelectric ceramic bimorph swings freely, and the metal clamping seat (4) and the piezoelectric ceramic bimorph (6) are connected with a piezoelectric ceramic driving power supply; an air inlet pipe (5) is arranged at the air inlet end of the air outlet shell (1);
the piezoelectric ceramic bimorph (6) comprises two piezoelectric ceramic pieces, a copper-clad fiber piece (8) is bonded between the two piezoelectric ceramic pieces, two ends of the copper-clad fiber piece (8) extend out of the piezoelectric ceramic bimorph (6), one end of the copper-clad fiber piece (8) is provided with a copper-clad layer (14), the copper-clad layers (14) are arranged on the upper side surface and the lower side surface of the copper-clad fiber piece (8), and the copper-clad layers (14) on the two side surfaces are not in contact;
the metal clamping seat (4) is U-shaped, the metal clamping seat (4) is made of aluminum, and the piezoelectric ceramic bimorph (6) is bonded in the metal clamping seat (4) through conductive silver adhesive;
the metal clamping seat (4) comprises a first metal clamping seat (12) and a second metal clamping seat (13), the first metal clamping seat (12) and the second metal clamping seat (13) have the same structure and are of U-shaped structures, the wind sweeping adjusting unit is adhered in the first metal clamping seat (12) through silver paste and is fixed at the wind outlet end of the air outlet shell (1) through the first metal clamping seat (12), the wind speed adjusting unit is adhered in the second metal clamping seat (13) through silver paste and is fixed at the wind inlet end of the air outlet shell (1) through the second metal clamping seat (13);
the first metal clamping seat (12) and the first piezoelectric ceramic bimorph (2) are connected with a first piezoelectric ceramic driving power supply, and the second metal clamping seat (13) and the second piezoelectric ceramic bimorph (3) are connected with a second piezoelectric ceramic driving power supply;
the piezoelectric ceramic bimorphs (6) are not less than 4 groups, the groups are transversely arranged in parallel, the structures of the piezoelectric ceramic bimorphs in each group are the same, each group of piezoelectric ceramic bimorphs (6) comprises a wind sweeping adjusting unit and a wind speed adjusting unit, the wind sweeping adjusting unit is a first piezoelectric ceramic bimorph (2) arranged at the wind outlet end of the wind outlet shell (1), and the polarities of the electrodes of the first piezoelectric ceramic bimorphs (2) in all the groups are the same; the wind speed adjusting unit is arranged at the air inlet end of the air outlet and consists of two fixed second piezoelectric ceramic bimorphs (3), and the polarities of the electrodes of the two fixed second piezoelectric ceramic bimorphs (3) are opposite.
2. An air flow adjusting device for an air conditioner of a vehicle as set forth in claim 1, wherein: and a silver layer (16) is arranged on the ceramic sheet (15) of each piezoelectric ceramic sheet, the silver layer (16) is not fully coated with the silver layer, so that the silver layer (16) is not connected with the copper-coated layer (14), and the other end of the copper-coated fiber sheet (8) is provided with an extension head (9).
3. An air flow adjusting device for an air conditioner of a vehicle as set forth in claim 1, wherein: the copper-clad fiber sheet (8) is a thin sheet with the thickness less than 1 mm, and two side surfaces of the copper-clad fiber sheet (8) are both provided with copper cladding.
4. An air flow adjusting device for an air conditioner of a vehicle as set forth in claim 1, wherein: the copper-clad layer part of the copper-clad fiber sheet (8) is provided with an insulating layer (7).
5. An air flow adjusting device of an air conditioner for a vehicle according to claim 1, wherein: and the switches of the first piezoelectric ceramic driving power supply and the second piezoelectric ceramic driving power supply are arranged on the steering wheel.
6. An air flow adjusting device for an air conditioner of a vehicle as set forth in claim 1, wherein: the air outlet end of the air outlet shell (1) is provided with an air deflector (11), so that the air outlet is arranged into a plurality of layers, and a plurality of groups of piezoelectric ceramic bimorphs (6) are arranged in each layer of air outlet shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821244.9A CN110497773B (en) | 2019-09-02 | 2019-09-02 | Air flow adjusting device of automobile air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821244.9A CN110497773B (en) | 2019-09-02 | 2019-09-02 | Air flow adjusting device of automobile air conditioner |
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| CN110497773A CN110497773A (en) | 2019-11-26 |
| CN110497773B true CN110497773B (en) | 2022-11-04 |
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| Publication number | Publication date |
|---|---|
| CN110497773A (en) | 2019-11-26 |
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