CN114034117A - Semiconductor circuit - Google Patents
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- CN114034117A CN114034117A CN202111275575.0A CN202111275575A CN114034117A CN 114034117 A CN114034117 A CN 114034117A CN 202111275575 A CN202111275575 A CN 202111275575A CN 114034117 A CN114034117 A CN 114034117A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
Abstract
The invention relates to a semiconductor circuit, which comprises a circuit board, a main control module and a peripheral circuit module, wherein the main control module and the peripheral circuit module are arranged at the circuit board; each circuit module is independently arranged and is detachably mounted with the circuit board through the connector to realize the construction of the electric control system. The semiconductor circuit divides the existing integrated circuit control board into a main control module and a peripheral circuit module, and the main control module and the peripheral circuit module can be arranged at corresponding mounting positions of a circuit board through connectors so as to realize the construction of an integral electric control platform; the development cycle of the electric controller is greatly shortened through the design, the labor cost is reduced, and due to the adoption of the independent module setting, the later-stage maintenance is simpler and more convenient.
Description
Technical Field
The invention relates to a semiconductor circuit, and belongs to the technical field of air conditioner control.
Background
The existing variable frequency household air conditioner mainly customizes customers, and has the characteristics of diversified product functions, diversified system configuration, short construction period and the like; in order to meet various demands on the market, various spare interfaces need to be reserved on a main control circuit board, so that great resource and cost waste is caused; if the reserved port is insufficient, a new circuit board and various tests need to be planned, and the situations that the supply cannot be carried out on time, the labor cost is greatly increased and the like occur.
The existing variable frequency air conditioner electric control is characterized in that each client air conditioner is: the function, system configuration and structure are designed to be customized and controlled, and the universal property is not available. The air conditioner is originally one type of air conditioner with one electric control, high cost and long development period.
The existing air conditioner outdoor unit is electrically controlled in one system configuration or two configurations with single function. Such electrical control has the following disadvantages: 1. the universality is not strong, and the method is only suitable for one or two system configurations. Different electric controls need to be designed for different system configurations; 2. the electric control of different system configurations needs to be authenticated at least once or more than once; 3. the electric control power device can not be compatible with different brands and models of components. Redesigning electric control, re-experiment and re-authentication are needed; 4. the electric control structure has strong specificity and can only be suitable for a certain external machine structure system; 5. after-sale maintenance is complex, and the maintenance cost is high; 6. the development cost is high due to the development circumference.
Disclosure of Invention
The technical problem to be solved by the invention is to solve the problems of low universality, frequent research and development period and relatively complex maintenance of the existing air conditioner external unit controller.
The semiconductor circuit comprises a circuit board, a main control module and a peripheral circuit module, wherein the main control module and the peripheral circuit module are arranged at the circuit board;
the power supply module is electrically connected with the power factor adjusting module, the capacitance filtering module and the switch power supply module in sequence, the capacitance filtering module is electrically connected with the fan circuit module and the variable frequency control module respectively, when the semiconductor circuit is in an assembling state, the main control module is in communication connection with the internal and external machine communication modules through a first connector, the main control module is in communication with the internal machine controller through the internal and external machine communication modules, the main control module is electrically connected with the power factor adjusting module, the variable frequency control module and the fan control circuit through corresponding second connectors respectively, the variable frequency control module is used for controlling the running state of a corresponding compressor, and the fan control circuit is used for controlling the working state of a corresponding fan; the power factor regulating circuit is used for adjusting the input current waveform.
Optionally, the circuit board includes a circuit substrate and a circuit connection layer disposed at the circuit substrate, the circuit substrate is provided with a plurality of connectors to form an element mounting location, and the element mounting location is used for mounting the main control module and the peripheral circuit module; the first end of the connector is connected to the circuit connection layer, the second end of the connector is respectively connected to the main control module or the peripheral circuit module, and the circuit connection layer is used for electrically connecting the main control module and the peripheral circuit module;
the main control module and the peripheral circuit module are respectively and independently packaged.
Optionally, the main control module is further integrated with a temperature sampling circuit, an electronic expansion valve control circuit and a storage circuit; the storage circuit is used for storing each parameter E-side circuit; the main control module comprises a power supply interface, a power factor adjusting interface, a capacitance filtering interface, a switching power supply interface, a variable frequency control interface, a fan circuit interface and an internal and external machine communication interface, and is electrically connected with corresponding peripheral circuits through the interfaces.
Optionally, the power factor adjusting module includes a rectifying circuit and a power factor adjusting circuit, and the power factor adjusting circuit includes PFC current sampling, voltage sampling and overcurrent protection; the power factor adjustment module is configured as a power factor adjustment electrical module for different power segments.
Optionally, the first connector and the second connector are both header connectors; each pin of the main control module is electrically connected with corresponding pins of all the header connectors, and the peripheral circuit module is detachably connected with the header connectors.
Optionally, the first connector and the second connector are both aerial butting connectors; the aerial butting connector comprises a male socket body and a female socket body, each pin of the main control module is electrically connected with a corresponding pin of the male socket body arranged on the circuit board, and when the semiconductor is in an assembled state, the peripheral circuit module is clamped with the corresponding male socket body through the female socket body.
Optionally, the power module includes an ac power input terminal, an electromagnetic interference circuit, and an electrifying buffer circuit, which are electrically connected in sequence; the power supply module is configured as a power supply module of different power segments;
the electromagnetic interference circuit comprises a power supply input terminal, a FUSE1, a discharge tube DSA1, a common mode inductor L1, a common mode inductor L2, a piezoresistor ZR1, a piezoresistor ZR2, a capacitor CY1, a capacitor CY2, a capacitor CY3, a capacitor CY4, a capacitor CY5, a capacitor CY6, a capacitor CX1, a capacitor CX2 and a capacitor CX 3; the live wire end of the power supply input terminal is electrically connected with one end of a FUSE FUSE1, the other end of the FUSE FUSE1 is electrically connected with the neutral wire end through a piezoresistor ZR1, a capacitor CY1 and a capacitor CY2 which are connected in series, and a capacitor CX1 respectively, the connection point of the capacitor CY1 and the capacitor CY2 is electrically connected with the ground end through a discharge tube DSA1, and the neutral wire end is electrically connected with the ground end through a piezoresistor ZR2 and a discharge tube DSA1 in sequence; the power supply input terminal is connected with a capacitor CX2, a capacitor CY3 and a capacitor CY4 which are connected in series and a first output end in parallel through a common-mode inductor L1, and the power supply input terminal is electrically connected with a capacitor CY5 and a capacitor CY6 which are connected in series, a capacitor CX3 and a second output end in sequence through the common-mode inductor L1 and the common-mode inductor L2; the connection point of the capacitor CY3 and the capacitor CY4 is electrically connected to the ground, and the connection point of the capacitor CY5 and the capacitor CY6 is electrically connected to the ground.
Optionally, the capacitive filtering module is configured as a capacitive filtering module of different power sections, and the switching power supply module is configured to convert the commercial power into a direct-current voltage of 15V, 12V, 5V, or 3.3V.
Optionally, the fan circuit module includes a driving direct current fan module or a driving alternating current fan module, and the driving direct current fan module includes a driving external fan module or a driving internal fan module.
Optionally, the indoor and outdoor unit communication module includes a fire-zero communication circuit module and an RS485 communication module.
The semiconductor circuit divides the existing integrated circuit control board into a main control module and a peripheral circuit module, and the main control module and the peripheral circuit module can be arranged at corresponding mounting positions of a circuit board through connectors so as to realize the construction of an integral electric control platform; the development cycle of the electric controller is greatly shortened through the design, the labor cost is reduced, and due to the adoption of the independent module setting, the later-stage maintenance is simpler and more convenient.
Drawings
Fig. 1 is a schematic circuit connection diagram of a conventional controller for an external unit of an air conditioner;
FIG. 2 is a schematic circuit diagram of a semiconductor circuit according to an embodiment of the present invention;
FIG. 3 is a schematic block diagram of an EMI circuit according to an embodiment of the present invention;
fig. 4 is a schematic circuit block diagram of an RS485 communication module according to an embodiment of the present invention;
FIG. 5 is a schematic circuit diagram of a fire-zero communication circuit module according to an embodiment of the present invention;
fig. 6 is a schematic circuit diagram of a driving external dc fan module according to an embodiment of the present invention;
fig. 7 is a schematic circuit diagram of a built-in dc fan according to an embodiment of the present invention;
fig. 8 is a schematic circuit diagram of a switching power supply module according to an embodiment of the present invention.
Reference numerals: 10. a power supply module; 20. a power factor adjustment module; 30. a capacitive filtering module; 40. a switching power supply module; 50. a variable frequency control module; 60. a fan circuit module; 70. an internal and external machine communication module; 80. and a control module.
Detailed Description
It is to be noted that the embodiments and features of the embodiments may be combined with each other without conflict in structure or function. The present invention will be described in detail below with reference to examples.
Example one
The existing frequency conversion household air conditioner mainly takes customer customization as a main part, and has the characteristics of diversified product functions, diversified system configuration and the like, and all circuit modules of the existing frequency conversion household air conditioner are usually integrated on the same circuit board and are welded and fixed; specifically, as shown in fig. 1, which is a schematic circuit connection diagram of an existing air conditioner external unit controller, there are 12 circuit modules shown in the diagram, and the connection relationship is relatively fixed, and if some module needs to be replaced, the electronic control design, the experiment and the authentication need to be performed again; this also makes the overall cycle longer, increasing overall development costs.
Based on this, as shown in fig. 2, the present invention provides a semiconductor circuit. As shown in fig. 2, the portable air conditioner comprises a circuit board, and a main control module and a peripheral circuit module which are arranged on the circuit board, wherein the peripheral circuit module comprises a power supply module, a power factor adjusting module, a capacitance filtering module, a switching power supply module, a frequency conversion control module, a fan circuit module and an internal and external machine communication module;
the power supply module is electrically connected with the power factor adjusting module, the capacitance filtering module and the switch power supply module in sequence, the capacitance filtering module is electrically connected with the fan circuit module and the variable frequency control module respectively, when the semiconductor circuit is in an assembling state, the main control module is in communication connection with the internal and external machine communication modules through a first connector, the main control module is in communication with the internal machine controller through the internal and external machine communication modules, the main control module is electrically connected with the power factor adjusting module, the variable frequency control module and the fan control circuit through corresponding second connectors respectively, the variable frequency control module is used for controlling the running state of a corresponding compressor, and the fan control circuit is used for controlling the working state of a corresponding fan; the power factor regulating circuit is used for adjusting the input current waveform.
In the embodiment of the invention, the existing electric control system is mainly divided into eight main functional modules, so that the main control module and the peripheral circuit can be flexibly combined to form a diversified electric control system according to the user requirements, the development period is shortened, and the labor cost is reduced. Specifically, the power supply module is divided into eight functional modules, namely a main control module, a power supply module, a power factor adjusting module, a capacitance filtering module, a switching power supply module, a frequency conversion control module, a fan circuit module, an internal and external machine communication module and the like, and auxiliary circuits, such as an EMI circuit, a power-on buffer circuit, a rectifying circuit, a temperature sampling circuit and the like, are integrated into the main control module or a peripheral circuit during specific implementation, so that circuit design does not need to be carried out again during subsequent circuit design, and only the already-constructed circuit modules need to be selected to carry out components of a circuit system according to user requirements and the like, and auxiliary circuit design does not need to be carried out again for corresponding electronic control power devices.
In the embodiment of the invention, the main control module is also an MCU main control module, and the power factor adjusting module is also a PFC power factor adjusting circuit module; the capacitor filter module refers to a capacitor filter circuit module; the switching power supply module refers to a switching power supply circuit module; the frequency conversion control module refers to a compressor frequency conversion circuit module; the internal and external machine communication module is also an internal and external machine communication circuit module.
Optionally, the circuit board includes a circuit substrate and a circuit connection layer disposed at the circuit substrate, the circuit substrate is provided with a plurality of connectors to form an element mounting location, and the element mounting location is used for mounting the main control module and the peripheral circuit module; the first end of the connector is connected to the circuit connection layer, the second end of the connector is respectively connected to the main control module or the peripheral circuit module, and the circuit connection layer is used for electrically connecting the main control module and the peripheral circuit module;
the main control module and the peripheral circuit module are respectively and independently packaged. That is, when the electronic control system is implemented specifically, the main control module, the peripheral circuit module and the like are already packaged complete circuit modules, a user only needs to select devices with different models or different powers according to requirements, and then the selected circuit modules are mounted on the circuit board to realize the construction of the complete electronic control system, and the prepared circuit modules can be directly used without performing electronic control design. When the respective circuit modules are mounted on the circuit board, the respective circuit modules can be connected even in a specific connection relationship. Each mounting position on the circuit board is relatively fixed, for example, the part is the mounting position of the main control module, the part is the mounting position of the power module, the other part is the mounting position of the variable frequency control module, and the mounting positions are all set, and the corresponding circuit modules are only required to be assembled according to requirements.
Optionally, the first connector and the second connector are both header connectors; each pin of the main control module is electrically connected with corresponding pins of all the header connectors, and the peripheral circuit module is detachably connected with the header connectors.
The ox horn connector provided by the embodiment of the invention is mainly characterized in that the interface is provided with the double ox horn buckles, the function of the ox horn connector is to firmly fix the IDC flat cable interface on the ox horn connector, the role of the ox horn connector in the PCBA is to connect IDC flat cables with corresponding specifications and connect the IDC flat cables with other circuit modules to form the circuit function required by a designer, and the ox horn connector can well protect the wires and arrange the wires in sequence, so that the inspection and the maintenance are convenient.
Optionally, the first connector and the second connector are both aerial butting connectors; the aerial butting connector comprises a male socket body and a female socket body, each pin of the main control module is electrically connected with a corresponding pin of the male socket body arranged on the circuit board, and when the semiconductor is in an assembled state, the peripheral circuit module is clamped with the corresponding male socket body through the female socket body.
The aerial butting connector provided by the embodiment of the invention is a common connector, and comprises a female seat body and a male seat body, wherein a clamping groove is formed above the female seat body, a clamping block is arranged on the upper surface of the clamping groove, an elastic sheet is connected to the upper surface of the male seat body, a clamping port is formed in the elastic sheet, when the male seat body is butted with the female seat body, the elastic sheet extends into the clamping groove, when the clamping block is clamped into the clamping port, the female seat body is quickly connected with the male seat body, when the female seat body and the male seat body need to be disassembled, the clamping block can be separated from the clamping port by pressing the elastic sheet, and therefore, the female seat body and the male seat body can be quickly separated by pulling out the elastic sheet. The aerial butting connector has the advantages of firm connection and capability of preventing the circuit from being disconnected by mistake.
Optionally, the main control module is further integrated with a temperature sampling circuit, an electronic expansion valve control circuit and a storage circuit; the storage circuit is used for storing each parameter E-side circuit; the main control module comprises a power supply interface, a power factor adjusting interface, a capacitance filtering interface, a switching power supply interface, a variable frequency control interface, a fan circuit interface and an internal and external machine communication interface, and is electrically connected with corresponding peripheral circuits through the interfaces.
Optionally, the power factor adjusting module includes a rectifying circuit and a power factor adjusting circuit, and the power factor adjusting circuit includes PFC current sampling, voltage sampling and overcurrent protection; the power factor adjustment module is configured as a power factor adjustment electrical module for different power segments.
In this embodiment, the main control board of the main control module is selected as a high-end 32-bit MCU with powerful functions, and is responsible for the logic control of the whole electronic control system, and the main control board has at least more than 13 paths of PWM outputs for controlling the compressor, the fan and the PFC power factor adjusting circuit. The main control board is also provided with six relay output ports, fourteen AD input ports, two voltage detection ports, four current detection ports, one RS485 communication interface, one fire-zero communication interface, a debugging simulation interface and a debugging monitoring display interface. These are necessary modules for building an electric control system of the air conditioner, and each electric control system is only provided with one main control module and used as a brain in the electric control system to normally work for controlling each function. The relay output port in this embodiment is used for controlling strong current by weak current. The MCU main control module comprises a plurality of necessary circuits with stronger universality in the air conditioner electric control system: each temperature sampling circuit, each electronic expansion valve control circuit and each parameter storage E-square circuit; the existing temperature sampling circuit, the electronic expansion valve control circuit and the parameter storage circuit are arranged in the main control module, and the temperature sampling circuit mainly comprises the following components: the device comprises a wiring terminal, an electrolytic capacitor, a chip resistor and a chip capacitor; four-way valve, electric heating relay control circuit's main component: a relay, a 2003 reverser and a connecting terminal; after the direct integration of the circuit in the main control module, the circuit design is not needed when the electric control system is built subsequently, the workload of developers is greatly reduced, and the research and development cost can be reduced to a certain extent. Meanwhile, the main control module also has interfaces of all functional circuits: the switch power supply module interface, the PFC power factor adjusting circuit module interface, the capacitance filtering module interface, the switch power supply module interface, the compressor frequency conversion circuit module interface, the fan circuit module interface and the internal and external machine communication circuit module interface, and the electric connection of the corresponding circuit modules is realized through the interfaces.
Optionally, the power module includes an ac power input terminal, an electromagnetic interference circuit, and an electrifying buffer circuit, which are electrically connected in sequence; the power supply module is configured as a power supply module of different power segments; that is, when the implementation is carried out, the input end of the alternating current power supply, the EMI circuit and the power-on buffer circuit are integrated in the power module, and the EMI effect is divided into: the power module 1 can be made into an EMI circuit which is a one-pole filter circuit and a two-pole filter circuit; dividing a slave power section into: the power module 1 can be made into circuits of different power sections. And selecting a proper power supply module to be combined with the main control module according to the EMI test result of the air conditioning system and the functional section of the air conditioning system.
Specifically, fig. 3 is a schematic circuit block diagram of an electromagnetic interference circuit according to an embodiment of the present invention, and as shown in fig. 3, the electromagnetic interference circuit includes a power input terminal, a FUSE1, a discharge tube DSA1, a common mode inductor L1, a common mode inductor L2, a varistor ZR1, a varistor ZR2, a capacitor CY1, a capacitor CY2, a capacitor CY3, a capacitor CY4, a capacitor CY5, a capacitor CY6, a capacitor CX1, a capacitor CX2, and a capacitor CX 3; the live wire end of the power supply input terminal is electrically connected with one end of a FUSE FUSE1, the other end of the FUSE FUSE1 is electrically connected with the neutral wire end through a piezoresistor ZR1, a capacitor CY1 and a capacitor CY2 which are connected in series, and a capacitor CX1 respectively, the connection point of the capacitor CY1 and the capacitor CY2 is electrically connected with the ground end through a discharge tube DSA1, and the neutral wire end is electrically connected with the ground end through a piezoresistor ZR2 and a discharge tube DSA1 in sequence; the power supply input terminal is connected with a capacitor CX2, a capacitor CY3 and a capacitor CY4 which are connected in series and a first output end in parallel through a common-mode inductor L1, and the power supply input terminal is electrically connected with a capacitor CY5 and a capacitor CY6 which are connected in series, a capacitor CX3 and a second output end in sequence through the common-mode inductor L1 and the common-mode inductor L2; the connection point of the capacitor CY3 and the capacitor CY4 is electrically connected to the ground, and the connection point of the capacitor CY5 and the capacitor CY6 is electrically connected to the ground. Electromagnetic interference is prevented by the circuit.
Optionally, the capacitive filtering module is configured as a capacitive filtering module of different power sections, and the switching power supply module is configured to convert the commercial power into a direct-current voltage of 15V, 12V, 5V, or 3.3V. Capacitive filter circuit, main components: electrolytic capacitor
The capacitor filtering module is simple, electrolytic capacitors of different brands are selected and then made into a capacitor filtering module of a non-power section, and the capacitor filtering module can be selected by the electric control system according to the price and the performance of a client air conditioning system. The switch power supply module is a necessary module for building an electric control system of an air conditioner, can convert commercial power into direct-current voltage of 15V, 12V, 5V or 3.3V, and is used for various modules, various sensors, monitoring ports and display ports in the electric control system; the switch power supply module can select different switch power supply chips, switch transformers and rectifier diodes of different brands, and the switch power supply control system in charge of different requirements is selected according to the electric control system of the air conditioner. Switching power supply circuit, main component: the device comprises a switching transformer, a switching power supply chip, a rectifier diode, an electrolytic capacitor, a chip resistor, a chip capacitor, a Y capacitor and an optical coupler. The specific circuit structure is shown in fig. 8.
The embodiment of the invention also provides a compressor frequency conversion module which is an indispensable circuit module for the electric control of the variable frequency air conditioner, and the module is mainly made of IPMs of different brands at home and abroad into the compressor frequency conversion module with current sampling and overcurrent protection and no power section. The main elements of the compressor inverter circuit include: the intelligent power supply comprises an IPM module, an electrolytic capacitor, a chip resistor, a chip capacitor, a voltage stabilizing diode, a current sampling resistor, an operational amplifier, a comparator and a compressor wiring terminal. A variety of circuit block options can then be provided.
Optionally, the fan circuit module includes a driving direct current fan module or a driving alternating current fan module, and the driving direct current fan module includes a driving external fan module or a driving internal fan module. The fan circuit is divided into a direct current motor and an alternating current motor, and the direct current motor circuit comprises the following main elements: the intelligent power supply comprises an IPM module, an electrolytic capacitor, a chip resistor, a chip capacitor, a current sampling resistor, a voltage stabilizing diode, a clamping diode and a fan wiring terminal; main components of the alternating current motor circuit: the device comprises a relay, a 2003 reverser, a fan capacitor, an RC (resistance-capacitance) absorption module and a fan wiring terminal.
The fan circuit module can be divided into a direct current fan circuit module and an alternating current fan circuit module, the direct current fan circuit module is divided into a circuit module for driving an external direct current fan circuit module and a circuit module for driving an internal fan, the principle of the driving external direct current fan circuit module is shown in figure 6, the driving external direct current fan circuit module is made of IPMs of different brands at home and abroad, and the fan circuit module is provided with current sampling, overcurrent protection and a non-power section. Fig. 7 shows a schematic diagram of a circuit for driving a built-in fan, which is suitable for most of driving built-in direct current fans.
Optionally, the indoor and outdoor unit communication module includes a fire-zero communication circuit module and an RS485 communication module. The internal and external machine communication circuit of the embodiment of the invention mainly comprises the following components: the circuit comprises an optical coupler, a chip resistor, a chip capacitor, a diode, a Y capacitor, a triode, a power resistor and a wiring terminal; the principle of the fire-zero communication circuit is shown in fig. 5, and the fire-zero communication circuit is mainly characterized in that strong and weak electricity are isolated by using optical coupling, and the circuit is simple and convenient to implement. The 485 communication circuit module is generally used in a multi-split air conditioning system, and specifically, as shown in fig. 4. And according to different circuit requirements, packaging the circuit into corresponding internal and external communication modules, and selecting according to corresponding contents in practical application.
Compared with the prior art, the invention has the advantages and positive effects that: the electronic control board platform required by the air conditioner electronic control system is quickly built through the main control module and the peripheral modules, the development period is short, the labor cost is reduced, the electronic control system is built through flexibly selecting the modules according to needs, the quick assembly of the electronic control system is realized, the development period is saved, and the modules are selected according to needs, so that the waste of the modules and the waste of IO ports are avoided; the reason for reducing the waste of the IO port is that the main control module does not need to reserve a large number of interfaces; therefore, the resources can be more effectively utilized for assembly, and the resource waste and the space waste are reduced. Meanwhile, after-sale maintenance work is simplified, after-sale cost is reduced, and when the control module is damaged, after-sale service technicians can directly replace the circuit module with the normal work on site.
The semiconductor circuit divides the existing integrated circuit control board into a main control module and a peripheral circuit module, and the main control module and the peripheral circuit module can be arranged at corresponding mounting positions of a circuit board through connectors so as to realize the construction of an integral electric control platform; the development cycle of the electric controller is greatly shortened through the design, the labor cost is reduced, and due to the adoption of the independent module setting, the later-stage maintenance is simpler and more convenient.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A semiconductor circuit is characterized by comprising a circuit board, a main control module and a peripheral circuit module, wherein the main control module and the peripheral circuit module are arranged at the circuit board;
the power supply module is electrically connected with the power factor adjusting module, the capacitance filtering module and the switch power supply module in sequence, the capacitance filtering module is electrically connected with the fan circuit module and the variable frequency control module respectively, when the semiconductor circuit is in an assembling state, the main control module is in communication connection with the internal and external machine communication modules through a first connector, the main control module is in communication with the internal machine controller through the internal and external machine communication modules, the main control module is electrically connected with the power factor adjusting module, the variable frequency control module and the fan control circuit through corresponding second connectors respectively, the variable frequency control module is used for controlling the running state of a corresponding compressor, and the fan control circuit is used for controlling the working state of a corresponding fan; the power factor regulating circuit is used for adjusting the input current waveform.
2. The semiconductor circuit according to claim 1, wherein the circuit board includes a circuit substrate provided with a plurality of connectors to form a component mounting site for mounting a main control module and a peripheral circuit module, and a circuit connection layer provided at the circuit substrate; the first end of the connector is connected to the circuit connection layer, the second end of the connector is respectively connected to the main control module or the peripheral circuit module, and the circuit connection layer is used for electrically connecting the main control module and the peripheral circuit module;
the main control module and the peripheral circuit module are respectively and independently packaged.
3. The semiconductor circuit according to claim 1, wherein the main control module further integrates a temperature sampling circuit, an electronic expansion valve control circuit, and a storage circuit; the storage circuit is used for storing each parameter E-side circuit; the main control module comprises a power supply interface, a power factor adjusting interface, a capacitance filtering interface, a switching power supply interface, a variable frequency control interface, a fan circuit interface and an internal and external machine communication interface, and is electrically connected with corresponding peripheral circuits through the interfaces.
4. The semiconductor circuit of claim 1, wherein the power factor adjustment module comprises a rectification circuit and a power factor adjustment circuit, the power adjustment circuit comprising PFC current sampling, voltage sampling, and over-current protection; the power factor adjustment module is configured as a power factor adjustment electrical module for different power segments.
5. The semiconductor circuit according to claim 1, wherein the first connector and the second connector are both header connectors; each pin of the main control module is electrically connected with corresponding pins of all the header connectors, and the peripheral circuit module is detachably connected with the header connectors.
6. The semiconductor circuit of claim 1, wherein the first connector and the second connector are aerial docking connectors; the aerial butting connector comprises a male socket body and a female socket body, each pin of the main control module is electrically connected with a corresponding pin of the male socket body arranged on the circuit board, and when the semiconductor is in an assembled state, the peripheral circuit module is clamped with the corresponding male socket body through the female socket body.
7. The semiconductor circuit according to claim 1, wherein the power module comprises an ac power input terminal, an emi circuit, and a power-on buffer circuit electrically connected in sequence; the power supply module is configured as a power supply module of different power segments;
the electromagnetic interference circuit comprises a power supply input terminal, a FUSE1, a discharge tube DSA1, a common mode inductor L1, a common mode inductor L2, a piezoresistor ZR1, a piezoresistor ZR2, a capacitor CY1, a capacitor CY2, a capacitor CY3, a capacitor CY4, a capacitor CY5, a capacitor CY6, a capacitor CX1, a capacitor CX2 and a capacitor CX 3; the live wire end of the power supply input terminal is electrically connected with one end of a FUSE FUSE1, the other end of the FUSE FUSE1 is electrically connected with the neutral wire end through a piezoresistor ZR1, a capacitor CY1 and a capacitor CY2 which are connected in series, and a capacitor CX1 respectively, the connection point of the capacitor CY1 and the capacitor CY2 is electrically connected with the ground end through a discharge tube DSA1, and the neutral wire end is electrically connected with the ground end through a piezoresistor ZR2 and a discharge tube DSA1 in sequence; the power supply input terminal is connected with a capacitor CX2, a capacitor CY3 and a capacitor CY4 which are connected in series and a first output end in parallel through a common-mode inductor L1, and the power supply input terminal is electrically connected with a capacitor CY5 and a capacitor CY6 which are connected in series, a capacitor CX3 and a second output end in sequence through the common-mode inductor L1 and the common-mode inductor L2; the connection point of the capacitor CY3 and the capacitor CY4 is electrically connected to the ground, and the connection point of the capacitor CY5 and the capacitor CY6 is electrically connected to the ground.
8. The semiconductor circuit of claim 1, wherein the capacitive filter modules are configured as capacitive filter modules of different power segments, and the switching power supply module is configured to convert a mains supply into a direct current voltage of 15V, 12V, 5V, or 3.3V.
9. The semiconductor circuit of claim 1, wherein the fan circuit module comprises a driving direct current fan module or a driving alternating current fan module, and the driving direct current fan module comprises a driving external fan module or a driving internal fan module.
10. The semiconductor circuit of claim 1, wherein the outdoor and indoor unit communication module comprises a fire and zero communication circuit module and an RS485 communication module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111275575.0A CN114034117A (en) | 2021-10-29 | 2021-10-29 | Semiconductor circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111275575.0A CN114034117A (en) | 2021-10-29 | 2021-10-29 | Semiconductor circuit |
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| CN114034117A true CN114034117A (en) | 2022-02-11 |
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| CN202111275575.0A Pending CN114034117A (en) | 2021-10-29 | 2021-10-29 | Semiconductor circuit |
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| CN101968252A (en) * | 2009-07-27 | 2011-02-09 | 乐金电子(天津)电器有限公司 | Printed circuit board of air-conditioner outdoor unit |
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