CN212566202U - Control device of air conditioner and air conditioner - Google Patents
Control device of air conditioner and air conditioner Download PDFInfo
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- CN212566202U CN212566202U CN202021372122.0U CN202021372122U CN212566202U CN 212566202 U CN212566202 U CN 212566202U CN 202021372122 U CN202021372122 U CN 202021372122U CN 212566202 U CN212566202 U CN 212566202U
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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Abstract
The utility model discloses a controlling means and air conditioner of air conditioner, wherein, the controlling means of air conditioner includes: the circuit board comprises a first area, a second area and a third area, wherein the second area is positioned between the first area and the third area; the integrated power module is arranged in the second area, and a heat radiating piece is arranged on the integrated power module; the control chip is arranged in the second area; the first control assembly is arranged in the first area; the second control assembly is arranged in the third area; the control chip, the first control assembly and the second control assembly are all connected with the integrated power module. The utility model discloses when realizing the control function to the air conditioner, can reduce complexity, the optimizing control device's of device overall arrangement in the controlling means line design of walking, and then be favorable to improving the efficiency of production and equipment to promote controlling means's power density, reduce controlling means's volume.
Description
Technical Field
The utility model relates to an air conditioner control technology, in particular to controlling means and an air conditioner of air conditioner.
Background
The control device of the air conditioner usually adopts a rectifier bridge, a PFC (Power Factor Correction) driving component, a compressor IPM (Intelligent Power Module) single Module, a fan IPM single Module and other discrete Power device combination schemes to construct a structure, or a partially integrated Module and a partially discrete device to construct a structure.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, an object of the present invention is to provide a control device for an air conditioner.
Another object of the present invention is to provide an air conditioner.
According to the utility model discloses a controlling means of air conditioner of first aspect embodiment includes:
a circuit substrate including a first region, a second region, and a third region;
the integrated power module is arranged in the second area, and a heat dissipation part is arranged on the integrated power module;
the control chip is arranged in the second area;
a first control assembly disposed within the first region;
a second control assembly disposed within the third region;
the second region is located between the first region and the third region, and the control chip, the first control assembly and the second control assembly are all connected with the integrated power module.
According to the utility model discloses control device of air conditioner has following beneficial effect at least: with the middle of integrated power module and being used for carrying out radiating piece to integrated power module and installing on circuit substrate, set up other control assembly respectively in the both sides of integrated power module, through carrying out first region to device in the controlling means, the subregion setting in second region and third region, when realizing the control function to the air conditioner, can carry out the overall arrangement to the device among the controlling means more rationally, controlling means's the design of walking the line has been optimized, and then be favorable to improving the efficiency of production and equipment, thereby promote controlling means's power density, reduce controlling means's volume.
According to some embodiments of the present invention, the integrated power module includes a package and a rectifying circuit, a power factor correction circuit and at least one motor driving circuit arranged in the package, an input of the power factor correction circuit is connected to an output of the rectifying circuit, an input of the motor driving circuit is connected to an output of the power factor correction circuit, a plurality of pins are arranged on the package, the plurality of pins are suitable for being connected with the rectifying circuit, the power factor correction circuit and the motor driving circuit.
According to some embodiments of the invention, the enclosure comprises a first side and a second side, the first side is located near one side of the first control assembly, the second side is located near one side of the second control assembly.
According to some embodiments of the utility model, a plurality of pins include motor drive pin, motor drive pin sets up first avris, first control assembly includes:
and the motor interfaces are suitable for being respectively connected with the motor driving pins.
According to the utility model discloses a some embodiments, a plurality of pins still include rectification output positive terminal pin, rectification output negative terminal pin, PFC input pin, PFC output pin and power supply pin, rectification output negative terminal pin PFC input pin with PFC output pin sets up first avris, rectification output positive terminal pin with power supply pin sets up the second avris, first control assembly still includes:
one end of the power factor correction inductor is connected to the rectification output positive terminal pin, and the other end of the power factor correction inductor is connected to the PFC input pin;
one end of the electrolytic capacitor is connected to the PFC output pin, the other end of the electrolytic capacitor is used for outputting direct-current bus voltage, and the direct-current bus voltage is used for supplying power to the motor driving circuit;
the filter capacitor is arranged between the power supply pin and the motor interface;
and the sampling resistor is connected to a pin at the negative end of the rectification output of the integrated power module.
According to the utility model discloses a some embodiments, a plurality of pins still include control pin and ac input pin, control pin with ac input pin sets up the second avris, control chip with control pin links to each other, the second control assembly includes:
a power input interface adapted to connect to the AC input pin.
According to some embodiments of the invention, the second control assembly further comprises:
an input protection circuit disposed between the power input interface and the AC input pin, the input protection circuit comprising: the lightning protection circuit, the inrush current prevention circuit and the EMI filter circuit are electrically connected in sequence.
According to some embodiments of the present invention, the second control assembly further comprises an auxiliary loop and a communication loop, the auxiliary loop and the communication loop are all electrically connected to the control chip, the first control assembly further comprises:
and the switching power supply loop is connected to the other end of the electrolytic capacitor and is used for converting the direct-current bus voltage into a target direct-current voltage, and the target direct-current voltage is used for supplying power to the control chip, the communication loop and the auxiliary loop.
According to some embodiments of the present invention, the auxiliary circuit comprises at least one of a four-way valve circuit, an electronic expansion valve circuit, an electric heating circuit, and a sensor circuit.
According to some embodiments of the present invention, the first area includes a first sub-area, a second sub-area and a third sub-area, the second sub-area is located between the first sub-area and the third sub-area, the switching power supply circuit is disposed in the first sub-area, the motor interface, the electrolytic capacitor, the filter capacitor and the sampling resistor are disposed in the second sub-area, and the power factor correction inductor is disposed in the third sub-area.
According to some embodiments of the present invention, the package further comprises a third side and a fourth side, the second region comprises a fourth sub-region and a fifth sub-region, the integrated power module is disposed in the fifth sub-region, the fourth sub-region is located the fifth sub-region is close to the third side or one side of the fourth side, the control chip is disposed in the fourth sub-region.
According to some embodiments of the present invention, the third area includes a sixth sub-area and a seventh sub-area, the second control assembly further includes an auxiliary loop and a communication loop, the auxiliary loop is disposed in the sixth sub-area, the power input interface, the communication loop and the input protection circuit are disposed in the seventh sub-area.
According to the utility model discloses a some embodiments, first control assembly the second control assembly control chip integrated power module with the heat dissipation piece sets up on a side face of circuit substrate.
According to the utility model discloses a some embodiments, first control assembly the second control assembly with control chip sets up on one side face of circuit substrate, integrated power module with the heat dissipation piece sets up on circuit substrate's the opposite side face.
According to the utility model discloses an air conditioner of second aspect embodiment includes:
a refrigerant pipe;
as defined in the above first aspect, the control device of the air conditioner is disposed near the refrigerant pipe.
According to the utility model discloses an air conditioner has following beneficial effect at least: the control device is arranged close to the refrigerant pipe, and the heat dissipation is carried out on the control device through the refrigerant pipe, so that the heat dissipation efficiency of the control device is improved, and the normal operation of the control device is ensured.
The air conditioner adopting the control device defined in the above embodiment has at least the following technical effects by defining the control device:
(1) the power density of the control device of the air conditioner is improved, the control device is miniaturized, and the cost of the control device is reduced.
(2) The optimization of the layout of the components in the control device is realized by changing the placement positions of the components.
(3) The Layout design of the Layout of the control device is facilitated, the EMC performance of the control device is improved, and the design complexity of the control device is reduced.
(4) The production efficiency of the control device is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic layout diagram of components of a control device of an air conditioner according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an integrated power module according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an internal circuit of an integrated power module according to an embodiment of the present invention;
fig. 4 is a schematic layout diagram of components on one side of a control device of an air conditioner according to another embodiment of the present invention;
fig. 5 is a schematic layout view of components on the other side of the control device of the air conditioner according to another embodiment of the present invention;
fig. 6 is a schematic view of an air conditioner according to an embodiment of the present invention.
Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 6 is:
100 circuit substrate, 101 first subregion, 102 second subregion, 103 third subregion, 104 fourth subregion, 105 fifth subregion, 106 sixth subregion, 107 seventh subregion, 110 first region, 111 motor interface, 112 power factor correction inductance, 113 electrolytic capacitor, 114 filter capacitor, 115 sampling resistor, 116 switching power supply loop, 120 second region, 121 integrated power module, 122 heat sink, 123 control chip, 130 third region, 131 power input interface, 132 lightning protection loop, 133 inrush current protection loop, 134EMI filter loop, 135 communication loop, 136 four-way valve loop, 137 electronic expansion valve loop, 138 electric heating loop, 139 sensor loop, 200 package, 201 rectifying circuit, 202 power factor correction circuit, 203 motor drive circuit, 300 air conditioner, 301 refrigerant tube.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
The embodiments of the present application will be further explained with reference to the drawings.
As shown in fig. 1, a control device of an air conditioner according to an embodiment of the present invention includes:
a circuit substrate 100, the circuit substrate 100 including a first region 110, a second region 120, and a third region 130;
an integrated power module 121, wherein the integrated power module 121 is installed in the second region 120, and a heat sink 122 is disposed on the integrated power module 121;
the control chip 123, the control chip 123 is installed in the second area 120;
a first control assembly disposed within the first region 110;
a second control component disposed within the third region 130;
the second region 120 is located between the first region 110 and the third region 130, and the control chip 123, the first control component and the second control component are all connected to the integrated power module 121.
In this embodiment, the integrated power module 121 and the heat sink 122 for dissipating heat of the integrated power module 121 are mounted in the middle of the circuit substrate 100, the first control component and the second control component are respectively disposed on two sides of the integrated power module 121, the first region, the second region and the third region are separately disposed by performing on the devices in the control device, while the control function of the air conditioner is realized, the devices in the control device can be more reasonably arranged, the wiring design of the control device is optimized, and the efficiency of production and assembly is improved, so that the power density of the control device is improved, and the volume of the control device is reduced.
As shown in fig. 2 and fig. 3, in the above embodiment, the integrated power module 121 includes a package 200, and a rectifying circuit 201, a power factor correction circuit 202 and at least one motor driving circuit 203 which are disposed in the package 200, wherein an input terminal of the power factor correction circuit 202 is connected to an output terminal of the rectifying circuit 201, an input terminal of the motor driving circuit 203 is connected to an output terminal of the power factor correction circuit 202, and a plurality of pins are disposed on the package 200, and are adapted to be connected to the rectifying circuit 201, the power factor correction circuit 202 and the motor driving circuit 203.
In this embodiment, the rectifier circuit 201, the power factor correction circuit 202 and the at least one motor driving circuit 203 are integrated into one power module, which is beneficial to reducing the complexity of layout and routing of the control device using the integrated power module 121, and is further beneficial to improving the production and assembly efficiency.
Optionally, two motor driving circuits 203 arranged in parallel are disposed in the integrated power module 121 to realize driving of two motors.
As shown in fig. 2, the motors include a first motor M1 to be driven and a second motor M2 to be driven.
In the above embodiment, the package 200 is configured as a rectangular package, and the package 200 includes a first side and a second side, the first side is located at a side close to the first control component, and the second side is located at a side close to the second control component.
In this embodiment, the integrated power module 121 is configured to have a rectangular structure, and the first control component is disposed on one side and the second control component is disposed on the other side of the circuit substrate 100 near two sides of the integrated power module 121, so that the layout rationality of the control device of the air conditioner is ensured by reasonably disposing the integrated power module 121, the first control component and the second control component, and the wiring design is simplified.
In the above embodiment, the plurality of pins include a motor driving pin, the motor driving pin is disposed at the first side, and the first control assembly includes:
and the motor interface 111, the motor interface 111 is suitable for being respectively connected with the motor driving pin and the motor to be driven.
In the above embodiment, the plurality of pins further include a rectification output positive terminal pin, a rectification output negative terminal pin, a PFC input pin, a PFC output pin, and a power supply pin, the rectification output negative terminal pin, the PFC input pin, and the PFC output pin are disposed at the first side, the rectification output positive terminal pin and the power supply pin are disposed at the second side, and the first control component further includes:
one end of the power factor correction inductor 112 is connected to the positive terminal pin of the rectification output, and the other end of the power factor correction inductor is connected to the input pin of the PFC;
one end of the electrolytic capacitor 113 is connected to the PFC output pin, the other end of the electrolytic capacitor 113 is used for outputting direct-current bus voltage, and the direct-current bus voltage is used for supplying power to the motor driving circuit 203;
the filter capacitor 114, the filter capacitor 114 is arranged between the power supply pin and the motor interface 111;
and the sampling resistor 115 is connected to the negative terminal pin of the rectification output of the integrated power module 121, and the sampling resistor 115 is connected to the negative terminal pin of the rectification output of the integrated power module 121.
The number of the sampling resistors 115 may be one or more, and if the number of the sampling resistors 115 is multiple, the plurality of sampling resistors 115 at least include a first sampling resistor 115 adapted to collect at least one motor current and a second sampling resistor 115 adapted to collect a PFC current.
In the above embodiment, the plurality of pins further include a control pin and an ac input pin, the control pin and the ac input pin are disposed on the second side, the control chip 123 is connected to the control pin, and the second control assembly includes:
a power input interface 131, the power input interface 131 being adapted to be connected to an ac input pin and to a power supply, respectively.
In this embodiment, a control pin is disposed on the integrated power module 121, and is electrically connected to the control chip 123 to receive a control signal sent by the control chip 123, and implement functions such as power correction and generation of a driving signal according to the control signal.
The Control chip 123 includes at least one logic computing device selected from a Micro-programmed Control Unit (MCU), a Central Processing Unit (CPU), a Digital Signal Processor (DSP), a single chip Microcomputer (MCU), and an embedded device.
In the above embodiment, the second control assembly further comprises:
an input protection circuit disposed between the power input interface 131 and the ac input pin, the input protection circuit comprising: a lightning protection circuit 132, an inrush current protection circuit 133 and an EMI filter circuit 134 electrically connected in sequence.
Specifically, EMI filter loop 134 includes a common mode inductor and at least two types of safety capacitors (2X capacitors and 4Y capacitors).
In the above embodiment, the second control assembly further includes an auxiliary loop and a communication loop 135, the auxiliary loop and the communication loop 135 are both electrically connected to the control chip 123, and the first control assembly further includes:
and the switching power supply circuit 116 is connected to the other end of the electrolytic capacitor 113, and is used for converting the direct-current bus voltage into a target direct-current voltage, and the target direct-current voltage is used for supplying power to the control chip 123, the communication circuit 135 and the auxiliary circuit.
In the above embodiment, the auxiliary circuit includes at least one of a four-way valve circuit 136, an electronic expansion valve circuit 137, an electric heating circuit 138, and a sensor circuit 139.
In this embodiment, an ac power is input from an ac input pin of the integrated power module 121 through the power input interface 131, the lightning protection circuit 132, the inrush current protection circuit 133, and the EMI filter circuit 134, and is rectified by the rectifier circuit 201 inside the integrated power module 121, and then a half-wave positive voltage output from a rectification output positive terminal pin is input from a PFC pin to the power factor correction circuit 202 through the external power factor correction inductor 112, and is output to the external large electrolytic capacitor 113 through the power factor correction circuit to be charged to obtain a smooth dc bus voltage, and is input to the motor driving circuit 203 connected in parallel through the bus voltage output pin, and the ac power passing through the motor driving circuit 203 is input to the motor to be driven through the motor interface 111 to realize the operation of the driving motor.
In addition, the dc bus voltage needs to be converted into a target dc voltage to supply power to the control chip 123, the communication circuit 135, the four-way valve circuit 136, the electric heating circuit 138, the sensor circuit 139, the electronic expansion valve circuit 137, and the like.
The control chip 123 is specifically configured to control or drive the high-integration intelligent power module, the communication circuit 135, the four-way valve circuit 136, the electric heating circuit 138, the sensor circuit 139, the electronic expansion valve circuit 137, and the like.
In this embodiment, the switching power supply circuit 116, the sampling resistor 115, the filter capacitor 114, the electrolytic capacitor 113, the power factor correction inductor 112, the motor interface 111, and the like are disposed in the first region 110 close to the first side, and all the components are required to be connected to the pins on the first side of the integrated power module 121, so that the layout can be optimized in this layout manner, so as to improve the EMC performance of the control device.
In the above embodiment, the first group of pins and the second group of pins are respectively disposed on the second side, the inner ends of the first group of pins are connected to the rectifying circuit 201, the outer ends of the first group of pins are suitable for being connected to the ac power supply, the inner ends of the second group of pins are respectively connected to the power factor correction circuit 202 and the motor driving circuit 203, and the outer ends of the second group of pins can be connected to an external control chip.
In this embodiment, a first group of pins connected to the rectifying circuit 201 and a second group of pins connected to the power factor correction circuit 202 and the motor driving circuit 203 are provided on the second side, the first group of pins is electrically connected to the ac power source to convert the ac signal of the ac power source into a dc signal, and the second group of pins is electrically connected to the external control chip 123 to receive the control signal sent by the control chip 123, and implement functions such as power correction and generation of the driving signal according to the control signal.
In addition, the second side is also provided with a rectifier bridge output positive terminal pin, a power supply pin of an internal IC and the like.
As shown in fig. 2, the second side is provided with pins 1 to 25, wherein the definition of the pins 1 to 25 is shown in table 1.
TABLE 1
| Serial number | Pin definition | Serial | Pin definition | |
| 1 | Output positive terminal of |
14 | First motor |
|
| 2 | |
15 | First |
|
| 3 | |
16 | Second |
|
| 4 | NTC temperature detection output | 17 | Second motor |
|
| 5 | First motor drive IC power supply negative terminal | 18 | Second motor |
|
| 6 | Power supply positive terminal of first motor drive IC | 19 | Second Motor |
|
| 7 | First motor fault output port | 20 | Second motor |
|
| 8 | Power factor correction drive signal | 21 | Second motor |
|
| 9 | First motor WL drive signal | 22 | Second motor |
|
| 10 | First motor VL drive signal | 23 | Second motor UH drive signal | |
| 11 | First motor UL drive signal | 24 | Second motor drive IC power supply positive terminal | |
| 12 | First motor |
25 | Second motor drive IC power supply negative terminal | |
| 13 | First motor VH drive signal |
In the above embodiment, the first side is provided with a third group of pins and a fourth group of pins, the inner ends of the third group of pins are connected to the motor driving circuit 203, the outer ends of the third group of pins are adapted to be electrically connected to the motor to be driven, and the fourth group of pins are connected to the power factor correction circuit 202.
In this embodiment, a third group of pins and a fourth group of pins are respectively arranged on the first side, wherein the third group of pins are suitable for being electrically connected with a motor to be driven so as to output a driving signal to the motor.
As shown in fig. 2, the first side is provided with pins 26 to 45, wherein the definition of the pins 26 to 45 is shown in table 2.
TABLE 2
| Serial number | Pin definition | Serial | Pin definition | |
| 26 | Bus voltage P of second motor | 36 | First motor U phase output | |
| 27 | U-phase floating power supply of second motor | 37 | First motor U-phase floating power supply | |
| 28 | U-phase output of second motor | 38 | First motor V-phase output | |
| 29 | Second motor V-phase floating power supply | 39 | First motor V-phase floating power supply | |
| 30 | Second motor V-phase output | 40 | W-phase output of the first motor | |
| 31 | W-phase floating power supply of second motor | 41 | W-phase floating power supply of first motor | |
| 32 | W-phase output of the |
42 | First motor bus voltage P | |
| 33 | Bus voltage N of |
43 | PFC positive terminal | |
| 34 | Drive IC power supply |
44 | Negative terminal of PFC | |
| 35 | First motor |
45 | Output negative terminal of rectifier bridge |
In the above embodiment, the first region 110 includes the first sub-region 101, the second sub-region 102 and the third sub-region 103, the second sub-region 102 is located between the first sub-region 101 and the third sub-region 103, the switching power supply circuit 116 is disposed in the first sub-region 101, the motor interface 111, the electrolytic capacitor 113, the filter capacitor 114 and the sampling resistor 115 are disposed in the second sub-region 102, and the power factor correction inductor 112 is disposed in the third sub-region 103.
In the above embodiment, the package 200 further includes a third side and a fourth side, the second region 120 includes a fourth sub-region 104 and a fifth sub-region 105, the integrated power module 121 is disposed in the fifth sub-region 105, the fourth sub-region 104 is located on a side of the fifth sub-region 105 close to the third side or the fourth side, and the control chip 123 is disposed in the fourth sub-region 104.
In this embodiment, the package is configured as a rectangular package, the first side and the second side are opposite sides and are provided with pins, the third side and the fourth side are the remaining two sides, and the control chip 123 is disposed at one side of the third side or one side of the fourth side.
In the above embodiment, the third area 130 comprises the sixth subregion 106 and the seventh subregion 107, the second control assembly further comprises an auxiliary loop and a communication loop 135, the auxiliary loop being disposed within the sixth subregion 106, and the power input interface 131, the communication loop 135 and the input protection circuit being disposed within the seventh subregion 107.
In this embodiment a sixth sub-area 106 is arranged adjacent to said fourth sub-area 104 and a seventh sub-area 107 is arranged adjacent to said fifth sub-area 105. It should be understood that the sixth sub-area and the seventh sub-area can be arranged according to the specific definition and arrangement sequence of the pins on the integrated power module, and this embodiment is only one of the arrangement modes.
In this embodiment, by further dividing the first region 110, the second region 120, and the third region 130 and setting devices corresponding to the pins on the integrated power module, the complexity of device layout in the control apparatus can be reduced, and the routing design of the control apparatus can be further optimized.
In the above embodiment, the first control component, the second control component, the control chip 123, the integrated power module 121, and the heat sink 122 are disposed on one side of the circuit substrate 100.
In this embodiment, the integrated power module 121 and other required control components are mounted on the same side of the circuit substrate 100, so that the control function of the air conditioner is realized, the complexity of the device layout in the control device can be further reduced, the wiring design of the control device is optimized, and the production and assembly efficiency is further improved, thereby improving the power density of the control device and reducing the volume of the control device.
According to the utility model discloses a controlling means of air conditioner of another embodiment, the concrete setting mode is: the first control component, the second control component and the control chip 123 are disposed on one side of the circuit substrate 100, and the integrated power module 121 and the heat sink 122 are disposed on the other side of the circuit substrate 100.
Specifically, the circuit substrate 100 includes a first region 110, a second region 120, and a third region 130, the second region 120 being located between the first region 110 and the third region 130. Fig. 4 shows a side plate surface of the circuit substrate 100, the first control component is disposed in the first region 110, the control chip 123 is attached in the second region 120, the second control component is disposed in the third region 130, and the first control component, the second control component and the control chip 123 are disposed on the side plate surface of the circuit substrate 100; fig. 5 shows another side plate surface of the circuit substrate 100, the integrated power module 121 is inserted into the side plate surface of the second region 120, the heat sink 122 is disposed on the side plate surface of the second region 120, and the integrated power module 121 is within the coverage area of the heat sink 122; the control chip 123, the first control component and the second control component are all connected to the integrated power module 121.
It should be understood that the first region 110, the second region 120, and the third region 130 are divisions of the circuit substrate 100, and each region includes two opposing side plate surfaces within the respective region.
In this embodiment, since some devices have higher heights, if the devices are arranged around the integrated power module 121, the devices are likely to interfere with the heat sink 122, and in order to improve the rationality of device arrangement, the control component and the integrated power module 121 are separately disposed on two sides of the circuit substrate 100, so as to optimize the device routing layout.
In addition, the integrated power module 121 and the heat sink 122 are disposed on one side of the board surface, the other devices are disposed on the other side of the board surface, and the switching power supply circuit 116, the sampling resistor 115, the filter capacitor 114, the electrolytic capacitor 113, the power factor correction inductor 112, the motor interface 111, and the like are disposed in the first region 110 close to the first side on the other side of the board surface.
As shown in fig. 6, an air conditioner 300 according to an embodiment of the present invention includes a refrigerant pipe 301; as described in the above embodiments, the control device of the air conditioner is disposed near the refrigerant pipe 301.
In this embodiment, the control device is disposed near the refrigerant pipe 301 to realize heat dissipation of the refrigerant pipe 301 of the control device, and the heat dissipation efficiency is further improved by combining the arrangement of the heat dissipation member 122 to ensure normal operation of the control device.
In the above embodiment, the side of the heat sink 122 away from the circuit substrate 100 is disposed near the refrigerant pipe 301.
In this embodiment, the heat dissipation efficiency of the integrated power module 121 is further improved by disposing the heat dissipation member 122 close to the refrigerant pipe 301.
The air conditioner adopting the control device defined in the above embodiment has at least the following technical effects by defining the control device:
(1) the power density of the control device of the air conditioner is improved, the control device is miniaturized, and the cost of the control device is reduced.
(2) The optimization of the layout of the components in the control device is realized by changing the placement positions of the components.
(3) The Layout design of the Layout of the control device is facilitated, the EMC performance of the control device is improved, and the design complexity of the control device is reduced.
(4) The production efficiency of the control device is improved.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are included in the scope of the present invention defined by the claims.
Claims (15)
1. A control apparatus of an air conditioner, comprising:
a circuit substrate including a first region, a second region, and a third region;
the integrated power module is arranged in the second area, and a heat dissipation part is arranged on the integrated power module;
the control chip is arranged in the second area;
a first control assembly disposed within the first region;
a second control assembly disposed within the third region;
the second region is located between the first region and the third region, and the control chip, the first control assembly and the second control assembly are all connected with the integrated power module.
2. The control device of an air conditioner according to claim 1, wherein the integrated power module comprises a package and a rectifying circuit, a power factor correction circuit and at least one motor driving circuit which are arranged in the package, an input end of the power factor correction circuit is connected to an output end of the rectifying circuit, an input end of the motor driving circuit is connected to an output end of the power factor correction circuit, and a plurality of pins are arranged on the package and are suitable for being connected with the rectifying circuit, the power factor correction circuit and the motor driving circuit.
3. The control device of an air conditioner as claimed in claim 2, wherein said package member includes a first side and a second side, said first side being located at a side adjacent to said first control assembly, said second side being located at a side adjacent to said second control assembly.
4. The control apparatus of an air conditioner according to claim 3, wherein the plurality of pins include a motor driving pin, the motor driving pin is disposed at the first side, and the first control assembly includes:
and the motor interfaces are suitable for being respectively connected with the motor driving pins.
5. The control device of claim 4, wherein the plurality of pins further include a rectifying output positive terminal pin, a rectifying output negative terminal pin, a PFC input pin, a PFC output pin, and a power supply pin, the rectifying output negative terminal pin, the PFC input pin, and the PFC output pin are disposed at the first side, the rectifying output positive terminal pin, and the power supply pin are disposed at the second side, and the first control component further comprises:
one end of the power factor correction inductor is connected to the rectification output positive terminal pin, and the other end of the power factor correction inductor is connected to the PFC input pin;
one end of the electrolytic capacitor is connected to the PFC output pin, the other end of the electrolytic capacitor is used for outputting direct-current bus voltage, and the direct-current bus voltage is used for supplying power to the motor driving circuit;
the filter capacitor is arranged between the power supply pin and the motor interface;
and the sampling resistor is connected to a pin at the negative end of the rectification output of the integrated power module.
6. The control device of claim 3, wherein the plurality of pins further comprise a control pin and an ac input pin, the control pin and the ac input pin are disposed at the second side, the control chip is connected to the control pin, and the second control assembly comprises:
a power input interface adapted to connect to the AC input pin.
7. The control apparatus of an air conditioner according to claim 6, wherein the second control module further comprises:
an input protection circuit disposed between the power input interface and the AC input pin, the input protection circuit comprising: the lightning protection circuit, the inrush current prevention circuit and the EMI filter circuit are electrically connected in sequence.
8. The control device of claim 5, wherein the second control assembly further comprises an auxiliary circuit and a communication circuit, the auxiliary circuit and the communication circuit are electrically connected to the control chip, and the first control assembly further comprises:
and the switching power supply loop is connected to the other end of the electrolytic capacitor and is used for converting the direct-current bus voltage into a target direct-current voltage, and the target direct-current voltage is used for supplying power to the control chip, the communication loop and the auxiliary loop.
9. The control apparatus of an air conditioner according to claim 8, wherein the auxiliary circuit includes at least one of a four-way valve circuit, an electronic expansion valve circuit, an electric heating circuit and a sensor circuit.
10. The control device of claim 8, wherein the first area comprises a first sub-area, a second sub-area and a third sub-area, the second sub-area is located between the first sub-area and the third sub-area, the switching power supply circuit is disposed in the first sub-area, the motor interface, the electrolytic capacitor, the filter capacitor and the sampling resistor are disposed in the second sub-area, and the power factor correction inductor is disposed in the third sub-area.
11. The control device of an air conditioner as claimed in claim 3, wherein the package further comprises a third side and a fourth side, the second region comprises a fourth sub-region and a fifth sub-region, the integrated power module is disposed in the fifth sub-region, the fourth sub-region is located at a side of the fifth sub-region close to the third side or the fourth side, and the control chip is disposed in the fourth sub-region.
12. The control apparatus of an air conditioner according to claim 7, wherein said third area includes a sixth sub-area and a seventh sub-area, said second control assembly further includes an auxiliary circuit and a communication circuit, said auxiliary circuit being disposed in said sixth sub-area, and said power input interface, said communication circuit and said input protection circuit being disposed in said seventh sub-area.
13. The control device of an air conditioner according to any one of claims 1 to 12, wherein the first control unit, the second control unit, the control chip, the integrated power module, and the heat sink are disposed on a side board surface of the circuit substrate.
14. The control device of an air conditioner according to any one of claims 1 to 12, wherein the first control component, the second control component and the control chip are disposed on one side of the circuit substrate, and the integrated power module and the heat sink are disposed on the other side of the circuit substrate.
15. An air conditioner, comprising:
a refrigerant pipe;
the control device of an air conditioner as claimed in any one of claims 1 to 14, disposed adjacent to the refrigerant pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021372122.0U CN212566202U (en) | 2020-07-13 | 2020-07-13 | Control device of air conditioner and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021372122.0U CN212566202U (en) | 2020-07-13 | 2020-07-13 | Control device of air conditioner and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN212566202U true CN212566202U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021372122.0U Active CN212566202U (en) | 2020-07-13 | 2020-07-13 | Control device of air conditioner and air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309351A (en) * | 2021-11-23 | 2022-04-12 | 醴陵市辉泰电子有限公司 | Pin foot distance four-side stamping correction device |
| WO2023115773A1 (en) * | 2021-12-24 | 2023-06-29 | 广东美的制冷设备有限公司 | Electric control board, air conditioner outdoor unit, and air conditioner |
-
2020
- 2020-07-13 CN CN202021372122.0U patent/CN212566202U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309351A (en) * | 2021-11-23 | 2022-04-12 | 醴陵市辉泰电子有限公司 | Pin foot distance four-side stamping correction device |
| WO2023115773A1 (en) * | 2021-12-24 | 2023-06-29 | 广东美的制冷设备有限公司 | Electric control board, air conditioner outdoor unit, and air conditioner |
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