CN212253063U - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN212253063U CN212253063U CN202020848823.0U CN202020848823U CN212253063U CN 212253063 U CN212253063 U CN 212253063U CN 202020848823 U CN202020848823 U CN 202020848823U CN 212253063 U CN212253063 U CN 212253063U
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- air conditioner
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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Abstract
The utility model discloses an air conditioner relates to the air conditioning technology field, can utilize the relay of less quantity to realize the simultaneous control or the independent control of double fan, the cost is reduced. The outdoor unit of the air conditioner comprises N fans, a control circuit and a driving module; each fan comprises M wind speed gear ends and a public end, the control circuit comprises K control modules, and K is M + (N-1); the first end of each control module is connected with the driving module; the second end of each control module in the M control modules is connected with a first power supply end, the third end of each control module is connected with N wind speed gear ends, and the N wind speed gear ends are from N fans; the second end of each control module in (N-1) control modules except M control modules in the K control modules is connected with a second power supply end, and the third end of each control module is connected with the common end of the fan; and the public end of one fan in the N fans is connected with the second power supply end.
Description
Technical Field
The utility model relates to an air conditioner technical field especially relates to an air conditioner.
Background
For the air conditioner type with the outdoor unit comprising the double fans, the double fans need to be controlled simultaneously, and also need to be controlled independently to realize different working states. In the related art, each wind speed gear of each fan is connected with one relay, and the double fans meet the corresponding working state by controlling the suction or disconnection of each relay. The more wind speed gears of the fans are, the more relays are needed for controlling the double fans, and therefore the cost is high.
SUMMERY OF THE UTILITY MODEL
The utility model provides an air conditioner can utilize the relay of less quantity to realize the simultaneous control or the independent control of double fan, the cost is reduced.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, the present invention provides an air conditioner, wherein an outdoor unit of the air conditioner comprises N fans, a control circuit and a driving module; wherein, every fan includes M wind speed gear end and a common port, and control circuit includes K control module, and K satisfies the condition: k ═ M + (N-1), N and M are integers greater than 1;
the first end of each control module is connected with the driving module;
in the M control modules, the second end of each control module is connected with a first power supply end, the third end of each control module is connected with N wind speed gear ends, and the N wind speed gear ends are from N fans;
in (N-1) control modules except M control modules in the K control modules, the second end of each control module is connected with a second power supply end, and the third end of each control module is connected with the common end of the fan;
and the public end of one fan in the N fans is connected with the second power supply end.
With reference to the first aspect, in a possible implementation manner, the N fans are all the same, and the N wind speed gear ends are gear ends from the N fans with the same wind speed.
With reference to the first aspect and the possible implementations described above, in another possible implementation, each control module includes a relay, and three terminals of the relay are three terminals of the control module.
With reference to the first aspect and the possible implementations described above, in another possible implementation, the driving module includes a single chip microcomputer and a reverse module;
k ports of the reverse module are K ports of the driving module;
l ports of the reverse module are connected with L pins of the single chip one by one, and L is the same as K.
With reference to the first aspect and the foregoing possible implementation manners, in another possible implementation manner, the inverting module is an inverting driver, or the inverting module includes K transistors.
With reference to the first aspect and the foregoing possible implementation manners, in another possible implementation manner, when the inverting module includes K triodes, the inverting module further includes K first resistors and K second resistors;
the base electrode of a triode is connected with the first end of a first resistor, the second end of the first resistor is one of L ports of a reverse module, the collector electrode of the triode is one of K ports of a driving module, the emitting electrode of the triode is grounded, and a second resistor is positioned between the base electrode and the emitting electrode of the triode.
With reference to the first aspect and the possible implementation manners described above, in another possible implementation manner, the first power end is a zero line end, and the second power end is a fire line end; or the first power supply end is a live wire end, and the second power supply end is a zero wire end.
The utility model provides an air conditioner, off-premises station include N fan, control circuit and drive module, and every fan includes M wind speed gear end and a public end, and control circuit includes K control module, and K satisfies following condition: k ═ M + (N-1). In M control modules of the K control modules, the third end of each control module is connected with N wind speed gear ends, and the N wind speed gear ends come from N fans. That is, N wind speed steps from N fans are controlled by one control module. And in the N fans, the common end of one fan is connected with a second power supply end, and the common ends of the other (N-1) fans are connected with the third ends of the (N-1) control modules one by one. In this way, the driving module can control the operation of a plurality of fans by controlling the (N-1) control modules, and can control the wind speed of the fans by controlling the M control modules. The driving module controls (N-1) control modules to be disconnected, so that one fan can be controlled to operate, and M control modules are controlled, so that the wind speed of the fan can be controlled. Because the control circuit of the utility model comprises K control modules, namely (M + N-1) control modules, compared with the (M < N >) control modules required in the related art, and because M and N are integers larger than 1, (M + N-1) is smaller than (M < N >), therefore the utility model can realize the simultaneous control or the independent control of a plurality of fans by using a small number of control modules, thereby reducing the cost of the control modules.
Drawings
Fig. 1 is a schematic diagram illustrating an air conditioner according to the related art;
fig. 2 is a schematic diagram illustrating the components of an air conditioner according to the present invention;
fig. 3 is a schematic diagram of another air conditioner according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in 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.
Fig. 1 is a schematic diagram illustrating an outdoor unit of an air conditioner including dual fans according to the related art, and as shown in fig. 1, the outdoor unit may include: two fans, six relays, a reverse driver and a single chip microcomputer. Wherein, two fans are fan 1 and fan 2 respectively, and six relays are represented by K1-K6.
The common ends of the two fans are connected with a zero line end (N end);
for each relay, the first end of the relay is connected with 12V voltage, the second end of the relay is connected with one end of a reverse driver, the third end of the relay is connected with a fire wire end (L end), and the fourth end of the relay is connected with one wind speed gear end of a fan;
the other six ends of the reverse driver are connected with six pins of the single chip microcomputer.
In the figure 1, one relay controls one wind speed gear of one fan, so that six relays are needed for controlling six wind speed gears of double fans, and the cost is high.
In order to utilize the relay of less quantity to realize the simultaneous control or the independent control of double fan to reduce cost, the utility model provides an air conditioner. The outdoor unit of the air conditioner may include: n fans, a control circuit and a driving module.
Wherein, every fan includes M wind speed gear end and a common port, and control circuit includes K control module, and K satisfies the condition: k ═ M + (N-1), N and M are integers greater than 1;
the first end of each control module is connected with the driving module; the K control modules are connected with K ports of the driving module;
in the M control modules, the second end of each control module is connected with a first power supply end, the third end of each control module is connected with N wind speed gear ends, and the N wind speed gear ends are from N fans;
in (N-1) control modules except M control modules in the K control modules, the second end of each control module is connected with a second power supply end, and the third end of each control module is connected with the common end of the fan; the third ends of the (N-1) control modules are connected with the common end of the (N-1) fans;
the common end of one fan in the N fans is connected with a second power supply end; namely, except the (N-1) fans of which the common end is connected with the third end of the control module, the common end of the other fans is connected with the second power supply end.
For example, in the present invention, the outdoor unit of the air conditioner will be described with N being 2 and M being 3, and K is 4 in this case.
As shown in fig. 2, the outdoor unit includes two fans, a control circuit, and a driving module. The control circuit comprises four control modules. The two fans are respectively a fan 1 and a fan 2, the fan 1 and the fan 2 respectively comprise a common end and three wind speed gear ends, the common end is 4, and the three wind speed gear ends are 3, 2 and 1.
Optionally, the utility model discloses in, first power end can be zero line end, and the second power end can be the live wire end. Alternatively, the first power terminal may be a hot wire terminal and the second power terminal may be a neutral wire terminal.
The utility model provides an air conditioner, off-premises station include N fan, control circuit and drive module, and every fan includes M wind speed gear end and a public end, and control circuit includes K control module, and K satisfies following condition: k ═ M + (N-1). In M control modules of the K control modules, the third end of each control module is connected with N wind speed gear ends, and the N wind speed gear ends come from N fans. That is, N wind speed steps from N fans are controlled by one control module. And in the N fans, the common end of one fan is connected with a second power supply end, and the common ends of the other (N-1) fans are connected with the third ends of the (N-1) control modules one by one. In this way, the driving module can control the operation of a plurality of fans by controlling the (N-1) control modules, and can control the wind speed of the fans by controlling the M control modules. The driving module controls (N-1) control modules to be disconnected, so that one fan can be controlled to operate, and M control modules are controlled, so that the wind speed of the fan can be controlled. Because the control circuit of the utility model comprises K control modules, namely (M + N-1) control modules, compared with the (M < N >) control modules required in the related art, and because M and N are integers larger than 1, (M + N-1) is smaller than (M < N >), therefore the utility model can realize the simultaneous control or the independent control of a plurality of fans by using a small number of control modules, thereby reducing the cost of the control modules.
And the area occupied by the Printed Circuit Board (PCB) of the outdoor unit can be reduced by reducing the number of the control modules.
Optionally, the utility model discloses in, N fan homogeneous phase is the same, and N wind speed gear end is the gear end of the same wind speed that comes from N fan.
For example, referring to fig. 2, assuming that each fan includes three wind speed gears of high wind, medium wind and low wind, then all the high wind gear ends of the N fans are connected and then connected to the third end of one relay; after all the wind gear ends of the N fans are connected, the wind gear ends are connected with a third end of another relay; and after all the low wind gear ends of the N fans are connected, the low wind gear ends are connected with a third end of another relay.
Like this, can control the operation of a plurality of fans high wind simultaneously, perhaps well wind operation simultaneously, perhaps low wind operation simultaneously, can compare with the operation of two arbitrary wind speeds with the double fan among the correlation technique, because the operating condition demand of off-premises station is the operation with the same wind speed simultaneously for many fans usually, the utility model discloses an utilize this characteristics, realized utilizing a small amount of control module to control a plurality of fans to control module's cost has been reduced.
Optionally, in the present invention, each control module may include a relay, and the three terminals of the relay are the three terminals of the control module. Of course, the relay also comprises a fourth terminal, which is connected to a voltage of 12V.
Optionally, in the present invention, the driving module may include: singlechip and reverse module.
The K ports of the reverse module are K ports of the driving module;
l ports of the reverse module are connected with L pins of the single chip one by one, and L is the same as K.
Because the driving voltage of the relay needs 12V, and the power supply of the singlechip is usually 5V, the driving capability of the singlechip is not enough. The reverse module is added between the single chip microcomputer and the relay, so that the relay can be driven. Therefore, the pin of the single chip outputs high level to the reversing module, the high level is changed into low level after passing through the reversing module, after a signal of the low level is input into the relay, the relay is attracted, and the wind speed gear connected with the relay is connected. In a similar way, the pin of the single chip microcomputer outputs a low level to the reversing module, the low level is changed into a high level through the reversing module, after a signal of the high level is input into the relay, the relay is disconnected, and the wind speed gear connected with the relay is disconnected.
Because the control N fans only need L pins of the single-chip microcomputer, L is the same as K, namely L is also (M + N-1), compared with the need of (M < N >) pins of the single-chip microcomputer in the related technology, the air conditioner provided by the utility model reduces the using quantity of the pins of the single-chip microcomputer and saves the resources of the single-chip microcomputer when realizing the simultaneous control or the independent control of the multiple fans.
Optionally, in the present invention, the reversing module may be a reversing driver. Alternatively, the inverting module may also include K transistors.
When the inverting module includes K transistors, the inverting module may further include K first resistors and K second resistors. A transistor, a first resistor and a second resistor are used as an example for the description.
The base electrode (B pole) of a triode is connected with the first end of a first resistor, the second end of the first resistor is one of L ports of the inversion module, the collector electrode (C pole) of the triode is one of K ports of the driving module, the emitting electrode (E pole) of the triode is grounded, and a second resistor is positioned between the base electrode and the emitting electrode of the triode.
To facilitate understanding of those skilled in the art, the present invention will be described in detail with reference to the following embodiments.
For example, as shown in fig. 3, the outdoor unit of the air conditioner may include two fans, a control circuit, and a driving module. Each fan comprises three wind speed gear ends and a public end, the three wind speed gears are respectively high wind, medium wind and low wind, the three wind speed gears are distinguished by numbers 3, 2 and 1, and the public end is 4. The control circuit includes four relays. That is, N is 2, M is 3, and K is 4. The driving module comprises a single chip microcomputer and a reverse driver, the first power end is a fire wire end, and the second power end is a zero wire end.
The first end of relay K1 is connected with the first end of reverse drive, and the second end is connected with live wire end (L), and the third end is connected with the high wind gear end of two fans respectively, and the fourth end is connected 12V voltage.
The first end of relay K2 is connected with the second end of reverse drive ware, and the second end is connected with live wire end (L), and the third end is connected with the well stroke gear end of two fans respectively, and 12V voltage is connected to the fourth end.
The first end of relay K3 is connected with the third end of reverse drive ware, and the second end is connected with live wire end (L), and the third end is connected with the low wind gear end of two fans respectively, and 12V voltage is connected to the fourth end.
The first end of the relay K4 is connected with the fourth end of the reverse driver, the second end is connected with the zero line end (N), the third end is connected with the common end of the fan 2, and the fourth end is connected with 12V voltage.
The common end of the fan 1 is connected with the zero line end (N).
The other four ports of the reverse driver are connected with four pins of the single chip one by one, namely L is 4.
Therefore, the two fans can be operated simultaneously by controlling the relay K4 to suck. At the moment, when the K1 is controlled to be closed and the K2 and the K3 are switched off, the two fans are controlled to simultaneously operate in high wind. When the K2 is controlled to be closed and the K1 and the K3 are controlled to be opened, the two fans are controlled to simultaneously run in the wind. When the K3 is controlled to be closed and the K1 and the K2 are switched off, the two fans are controlled to run at the same time in low wind. When all the controls K3, K1 and K2 are disconnected, the two fans are controlled to stop running.
The fan 1 is operated independently by controlling the relay K4 to be switched off. At this time, when the control K1 is closed and the K2 and the K3 are opened, the fan 1 is controlled to run in high wind. When the K2 is controlled to be closed and the K1 and the K3 are switched off, the wind running of the fan 1 is controlled. When the K3 is controlled to be closed and the K1 and the K2 are switched off, the fan 1 is controlled to run at low wind. When all of the controls K3, K1, and K2 are turned off, the fan 1 is controlled to stop operating.
Through the above description of the embodiments, it is clear to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be completed by different functional modules according to needs, that is, the internal structure of the device may be divided into different functional modules to complete all or part of the above described functions.
The above description is only the specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or replacements within the technical scope of the present invention 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 (7)
1. An air conditioner is characterized in that an outdoor unit of the air conditioner comprises N fans, a control circuit and a driving module; wherein, every fan includes M wind speed gear end and a common port, control circuit includes K control module, and K satisfies the condition: k ═ M + (N-1), N and M are integers greater than 1;
the first end of each control module is connected with the driving module;
in the M control modules, the second end of each control module is connected with a first power supply end, the third end of each control module is connected with N wind speed gear ends, and the N wind speed gear ends are from the N fans;
in (N-1) control modules except the M control modules in the K control modules, the second end of each control module is connected with a second power supply end, and the third end of each control module is connected with the common end of the fan;
and the public end of one fan in the N fans is connected with the second power supply end.
2. The air conditioner of claim 1, wherein the N fans are all the same, and the N wind speed gear ends are gear ends of the same wind speed from the N fans.
3. The air conditioner according to claim 1 or 2, wherein each control module includes a relay, and three terminals of the relay are three terminals of the control module.
4. The air conditioner as claimed in claim 3, wherein the driving module comprises a single chip microcomputer and a reversing module;
the K ports of the reverse module are K ports of the driving module;
l ports of the reverse module are connected with L pins of the single chip microcomputer one by one, and L is the same as K.
5. The air conditioner as claimed in claim 4, wherein the inversion module is an inversion driver, or the inversion module comprises K transistors.
6. The air conditioner of claim 5, wherein when the inversion module includes the K transistors, the inversion module further includes K first resistors and K second resistors;
the base electrode of a triode is connected with the first end of a first resistor, the second end of the first resistor is one of the L ports of the reverse module, the collector electrode of the triode is one of the K ports of the driving module, the emitting electrode of the triode is grounded, and a second resistor is positioned between the base electrode and the emitting electrode of the triode.
7. The air conditioner according to claim 1, wherein said first power terminal is a neutral terminal and said second power terminal is a live terminal; or, the first power end is a live wire end, and the second power end is a zero wire end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020848823.0U CN212253063U (en) | 2020-05-19 | 2020-05-19 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020848823.0U CN212253063U (en) | 2020-05-19 | 2020-05-19 | Air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212253063U true CN212253063U (en) | 2020-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020848823.0U Active CN212253063U (en) | 2020-05-19 | 2020-05-19 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212253063U (en) |
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2020
- 2020-05-19 CN CN202020848823.0U patent/CN212253063U/en active Active
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