CN213305257U

CN213305257U - Intelligent dimming glass control system and automobile

Info

Publication number: CN213305257U
Application number: CN202022165096.0U
Authority: CN
Inventors: 杨土超; 陈文庆; 赖瑞福; 徐伟; 莫映功
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-05-28
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses an intelligent dimming glass control system and an automobile, wherein the intelligent dimming glass control system is used for controlling intelligent dimming glass and comprises a boosting module, a voltage regulating module and a combined control module; the boosting module is connected with the power supply end and the combined control module and used for acquiring boosting voltage and outputting the boosting voltage to the combined control module; the voltage regulation module is connected with the combined control module and is used for outputting a regulation signal to the combined control module; and the combined control module is connected with the boosting module, the voltage regulating module and the intelligent dimming glass and is used for processing the boosting voltage input by the boosting module by adopting the regulating signal input by the voltage regulating module, acquiring the control voltage and controlling the intelligent dimming glass based on the control voltage. According to the technical scheme, the intelligent dimming glass is controlled through the control voltage, the boosting voltage is adjustable, and the safety of the intelligent dimming glass in the control process is improved.

Description

Intelligent dimming glass control system and automobile

Technical Field

The utility model relates to an automobile intelligent light-adjusting glass field especially relates to an intelligent light-adjusting glass control system and car.

Background

At present, in the development of automobile intelligent dimming glass, the intelligent dimming glass usually adopts laminated glass, and a dimming film is added in the middle of the laminated glass, so that the functions of dimming control, display and the like can be realized.

However, since the dimming film requires ac high voltage to control, up to 100V or even more, the safe voltage that the human body is allowed to receive is exceeded. In the prior art, a control method for a dimming film generally directly converts direct current into alternating current to control the dimming film, cannot achieve an ideal alternating voltage control effect, and easily generates potential safety hazards such as overvoltage or overcurrent.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides an intelligent light control glass control system and car to solve and can't control intelligent light control glass's interchange high pressure, the poor problem of security.

The embodiment provides an intelligent dimming glass control system, which is used for controlling intelligent dimming glass and comprises a boosting module, a voltage regulating module and a combined control module;

the boosting module is connected with a power supply end and the combined control module and used for boosting the input voltage of the power supply end, acquiring a boosted voltage and outputting the boosted voltage to the combined control module;

the voltage regulating module is connected with the combined control module and is used for outputting a regulating signal to the combined control module;

the combined control module is connected with the boosting module, the voltage regulating module and the intelligent dimming glass and used for processing the boosting voltage input by the boosting module by adopting the regulating signal input by the voltage regulating module to obtain a control voltage and controlling the intelligent dimming glass based on the control voltage.

Further, the boost module comprises an overvoltage and overcurrent protection unit and a voltage amplification unit;

the overvoltage and overcurrent protection unit is connected with the power supply end and the voltage amplification unit and is used for performing overvoltage and overcurrent protection on the input voltage of the power supply end and outputting a protection voltage;

and the voltage amplification unit is connected with the overvoltage and overcurrent protection unit and the combined control module and is used for amplifying the protection voltage and outputting the boosted voltage.

Further, the voltage amplifying unit comprises a boosting chip, a boosting switching tube, a boosting diode and a voltage regulator;

the first connecting end of the boosting switching tube is connected with the boosting chip, the second connecting end of the boosting switching tube is connected with the overvoltage and overcurrent protection unit and the voltage regulator, and the third connecting end of the boosting switching tube is connected with a grounding end;

the anode of the boosting diode is connected with the third connecting end of the boosting switching tube, and the cathode of the boosting diode is connected with the second connecting end of the boosting switching tube;

and the boosting chip is respectively connected with the overvoltage and overcurrent protection unit and the first connecting end of the boosting switching tube.

Further, the combination control module comprises a controller unit, a first waveform output unit and a second waveform output unit;

the controller unit is connected with the voltage regulating module, the first waveform output unit and the second waveform output unit, and is used for processing the regulating signal input by the voltage regulating module and outputting a voltage control signal to the first waveform output unit and the second waveform output unit;

the first waveform output unit is connected with the boosting module and the intelligent dimming glass and is used for processing the boosting voltage output by the boosting module by adopting the voltage control signal and outputting a first control voltage to the intelligent dimming glass;

and the second waveform output unit is connected with the boosting module and the intelligent dimming glass and used for processing the boosting voltage output by the boosting module by adopting the voltage control signal and outputting a second control voltage to the intelligent dimming glass.

Further, the boost module further comprises a voltage stabilizing unit;

and the voltage stabilizing unit is connected with the power supply end and the controller unit and is used for inputting power supply voltage to the controller unit.

Further, the first waveform output unit comprises a first gate-level driving unit, a first driving tube unit and a first filter;

the first gate-level driving unit is connected with the controller unit and the first driving tube unit and is used for driving the first driving tube unit according to the voltage control signal output by the controller unit;

the first driving tube unit is connected with the boosting module and the first filter and used for processing the boosted voltage to form a first control voltage;

the first filter is connected with the intelligent dimming glass and used for outputting a first control voltage to the intelligent dimming glass.

Further, the second waveform output unit includes: the second gate level driving unit, the second driving pipe unit and the second filter;

the second gate-level driving unit is connected with the controller unit and the second driving pipe unit and is used for driving the second driving pipe unit according to the voltage control signal output by the controller unit;

the second driving tube unit is connected with the boosting module and the second filter and used for processing the boosted voltage to form a second control voltage;

and the second filter is connected with the intelligent dimming glass and is used for outputting a second control voltage to the intelligent dimming glass.

Further, the combination control module further comprises a feedback adjustment unit;

one end of the feedback adjusting unit is connected with the controller unit, and the other end of the feedback adjusting unit is connected with the first waveform output unit or the second waveform output unit.

Further, the voltage regulation module comprises a regulator and a bus transceiver;

the regulator is connected with the bus transceiver and is used for outputting a regulating signal;

the bus transceiver is connected with the regulator and the controller unit and is used for sending the regulating signal to the controller unit.

The embodiment provides an automobile, including intelligent light control glass, still include foretell intelligent light control glass control system, intelligent light control glass control system with intelligent light control glass links to each other.

According to the intelligent dimming glass control system and the automobile, the boosting module is connected with the power supply end and the combined control module, and can boost low-voltage alternating current to obtain boosting voltage so as to meet the high-voltage condition for controlling the intelligent dimming glass; the voltage regulation module is connected with the combined control module, and the combined control module can regulate the boosted voltage output by the boosting module in time according to the regulation signal output by the voltage regulation module, so that the boosted voltage is controlled within a safety range, and the overvoltage condition is avoided; the combined control module is respectively connected with the boosting module and the voltage regulating module, the combined control module controls the boosting voltage according to the regulating signal output by the voltage regulating module, obtains the control voltage after regulating and controlling the boosting voltage, controls the intelligent dimming glass through the control voltage, realizes that the boosting voltage is adjustable, and improves the safety when the combined control module controls the intelligent dimming glass.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic circuit diagram of an intelligent dimming glass control system according to an embodiment of the present invention.

In the figure, 10, a boost module; 11. an overvoltage and overcurrent protection unit; 12. a voltage amplifying unit; 121. a boost chip; 122. a boost switching tube; 123. a boost diode; 124. a voltage regulator; 13. a voltage stabilization unit; 20. a voltage regulation module; 21. a regulator; 22. a bus transceiver; 30. a combination control module; 31. A controller unit; 32. a first waveform output unit; 321. a first gate level driving unit; 322. a first drive tube unit; 323. a first filter; 33. a second waveform output unit; 331. a second gate-level driving unit; 332. a second drive tube unit; 333. a second filter; 34. a feedback adjustment unit; 40. Intelligent dimming glass.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is to be understood that the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity to indicate like elements throughout.

It will be understood that when an element or layer is referred to as being "on" …, "adjacent to …," "connected to" or "coupled to" other elements or layers, it can be directly on, adjacent to, connected to or coupled to the other elements or layers or intervening elements or layers may be present. In contrast, when an element is referred to as being "directly on …," "directly adjacent to …," "directly connected to" or "directly coupled to" other elements or layers, there are no intervening elements or layers present. It will be understood that, although the terms first, second, third, etc. may be used to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present invention.

Spatial relationship terms such as "under …", "under …", "below", "under …", "above …", "above", and the like, may be used herein for ease of description to describe the relationship of one element or feature to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, then elements or features described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary terms "below …" and "below …" can encompass both an orientation of up and down. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatial descriptors used herein interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes any and all combinations of the associated listed items.

In order to provide a thorough understanding of the present invention, detailed structures and steps will be provided in the following description so as to explain the technical solution provided by the present invention. The preferred embodiments of the present invention are described in detail below, however, other embodiments of the present invention are possible in addition to these detailed descriptions.

The embodiment provides a smart light control glass system for controlling the smart light control glass 40. As shown in fig. 1, the smart dimming glass control system includes a boost module 10, a voltage regulation module 20, and a combination control module 30; the boosting module 10 is connected with the power supply terminal BATT and the combination control module 30, and is configured to boost an input voltage of the power supply terminal BATT, obtain a boosted voltage VCC1, and output a boosted voltage VCC1 to the combination control module 30; the voltage regulation module 20 is connected with the combination control module 30 and is used for outputting a regulation signal to the combination control module 30; and the combined control module 30 is connected to the boosting module 10, the voltage regulating module 20 and the smart dimming glass 40, and is configured to process the boosting voltage VCC1 input by the boosting module 10 by using the regulating signal input by the voltage regulating module 20, acquire a control voltage, and control the smart dimming glass 40 based on the control voltage.

Specifically, since the smart light control glass 40 requires high-voltage ac power for control, the voltage boosting module 10 boosts low-voltage ac power to obtain a boosted voltage VCC1, and outputs the boosted voltage VCC1 to the combination control module 30. The voltage regulation module 20 is connected with the combination control module 30, and outputs a regulation signal to the combination control module 30, and the regulation signal can indicate the combination control module 30 to regulate the boost voltage VCC1 in time, and control the boost voltage VCC1 in a safe range, thereby avoiding the occurrence of overvoltage and overcurrent, and improving the safety of the combination control module 30 when controlling the intelligent dimming glass 40. The combination control module 30 is respectively connected with the boosting module 10 and the voltage regulating module 20, the combination control module 30 obtains the control voltage after regulating the boosting voltage VCC1 according to the regulating signal output by the voltage regulating module 20, and controls the intelligent dimming glass 40 through the control voltage, so that the boosting voltage VCC1 can be regulated, and the safety of the combination control module 30 in controlling the intelligent dimming glass 40 is improved.

In this embodiment, the boost module 10 is connected to the power supply terminal BATT and the combination control module 30, and is capable of boosting the low-voltage ac to obtain a boost voltage VCC1, so as to satisfy the high-voltage condition for controlling the smart dimming glass 40; the voltage regulation module 20 is connected with the combined control module 30, and the combined control module 30 can timely regulate the boosted voltage VCC1 output by the voltage boosting module 10 according to the regulation signal output by the voltage regulation module 20, so that the boosted voltage VCC1 is controlled within a safe range, and the overvoltage condition is avoided; the combination control module 30 is respectively connected with the boosting module 10 and the voltage regulating module 20, the combination control module 30 controls the boosting voltage VCC1 according to the regulating signal output by the voltage regulating module 20, obtains the control voltage after regulating the boosting voltage VCC1, controls the intelligent dimming glass 40 through the control voltage, improves the realization that the boosting voltage VCC1 is adjustable, and improves the safety when the combination control module 30 controls the intelligent dimming glass 40.

In one embodiment, as shown in fig. 1, the boost module 10 includes: an overvoltage and overcurrent protection unit 11 and a voltage amplification unit 12; an overvoltage/overcurrent protection unit 11 connected to the power supply terminal BATT, the ground terminal GND, and the voltage amplification unit 12, and configured to perform overvoltage/overcurrent protection on an input voltage of the power supply terminal BATT and output a protection voltage; the voltage amplifying unit 12 is respectively connected to the over-voltage and over-current protection unit 11 and the combination control module 30, and is configured to amplify the protection voltage and output a boosted voltage VCC 1.

Specifically, the overvoltage and overcurrent protection unit 11 is connected to the power supply terminal BATT, the ground terminal GND and the voltage amplification unit 12, and the overvoltage and overcurrent protection unit 11 can perform overvoltage and overcurrent protection on the input voltage of the power supply terminal BATT and output a protection voltage to the voltage amplification unit 12, so that the voltage amplification unit 12 is prevented from being damaged due to overvoltage and overcurrent, and the safety of the voltage amplification unit 12 in amplifying the protection voltage is improved. The voltage amplifying unit 12 is respectively connected to the overvoltage/overcurrent protection unit 11 and the combination control module 30, and is configured to amplify the protection voltage and output a boost voltage VCC1, so as to satisfy a high-voltage condition for controlling the smart dimming glass 40, and thus control of the smart dimming glass 40 is realized in the following.

In this embodiment, the over-voltage and over-current protection unit 11 is respectively connected to the power supply terminal BATT, the ground terminal GND and the voltage amplification unit 12, so that the voltage amplification unit 12 can be prevented from being damaged by over-voltage or over-current, and the safety of the voltage amplification unit 12 in amplifying the protection voltage is improved. The voltage amplifying unit 12 is respectively connected to the overvoltage/overcurrent protection unit 11 and the combination control module 30 to satisfy a high voltage condition for controlling the smart dimming glass 40, so as to subsequently realize control of the smart dimming glass 40.

In one embodiment, as shown in fig. 1, the voltage amplifying unit 12 includes: a boost chip 121, a boost switching tube 122, a boost diode 123 and a voltage regulator 124; a first connection end of the boost switching tube 122 is connected with the boost chip 121, a second connection end is connected with the overvoltage and overcurrent protection unit 11 and the voltage regulator 124, and a third connection end is connected with a ground end GND; the anode of the boost diode 123 is connected with the third connection end of the boost switching tube 122, and the cathode is connected with the second connection end of the boost switching tube 122; the boost chip 121 is connected to the overvoltage and overcurrent protection unit 11 and the first connection end of the boost switching tube 122 respectively.

The boost switch tube 122 may be a MOS tube or a triode. The boost diode 123 may be a diode packaged in the boost switching tube 122, or a diode disposed outside the boost switching tube 122, and is used to avoid a reverse current in the circuit, protect the boost switching tube 122, and improve the safety of the boost switching tube 122.

As an example, when the boost switching tube 122 is a triode, a base of the triode is connected to the boost chip 121, a collector is connected to the over-voltage and over-current protection unit 11 and the voltage regulator 124, and an emitter is connected to the ground GND; the anode of the boost diode 123 is connected with the emitter of the triode, and the cathode is connected with the collector of the triode; the boost chip 121 is respectively connected with the overvoltage and overcurrent protection unit 11 and the base of the triode.

As another example, when the boost switching tube 122 is an MOS tube, a gate of the MOS tube is connected to the boost chip 121, a drain of the MOS tube is connected to the overvoltage and overcurrent protection unit 11 and the voltage regulator 124, and a source of the MOS tube is connected to the ground GND; the anode of the boost diode 123 is connected with the source electrode of the MOS tube, and the cathode is connected with the drain electrode of the MOS tube; the boost chip 121 is respectively connected with the overvoltage and overcurrent protection unit 11 and the gate of the MOS transistor.

Specifically, the first connection end of the boost switching tube 122 is connected to the boost chip 121, the second connection end is connected to the overvoltage and overcurrent protection unit 11 and the voltage regulator 124, the third connection end is connected to the ground terminal GND, the boost chip 121 can amplify the protection voltage input by the overvoltage and overcurrent protection unit 11, and meanwhile, the overvoltage and overcurrent protection unit 11 can prevent the input voltage of the power supply terminal BATT from damaging the boost chip 121, so that the safety of the boost chip 121 is improved. The boost chip 121 is connected to the first connection ends of the overvoltage and overcurrent protection unit 11 and the boost switching tube 122, and the boost switching tube 122 is matched with the boost chip 121 to amplify the protection voltage input by the overvoltage and overcurrent protection unit 11. The voltage regulator 124 is respectively connected with the overvoltage and overcurrent protection unit 11, the boost switching tube 122 and the combination control module 30, and the voltage regulator 124 amplifies the protection voltage input by the overvoltage and overcurrent protection unit 11 by matching with the overvoltage and overcurrent protection unit 11 and the boost switching tube 122 so as to meet the high-voltage condition for controlling the intelligent dimming glass 40, thereby realizing the control of the intelligent dimming glass 40 in the following process. The anode of the boost diode 123 is connected to the third connection end of the boost switching tube 122, and the cathode is connected to the second connection end of the boost switching tube 122, so that the boost switching tube 122 can be prevented from being damaged by reverse voltage or reverse current.

In this embodiment, the boost chip 121 can amplify the protection voltage input by the overvoltage/overcurrent protection unit 11, and meanwhile, the overvoltage/overcurrent protection unit 11 can prevent the input voltage of the power supply terminal BATT from damaging the boost chip 121, thereby improving the security of the boost chip 121. The boost switching tube 122 is matched with the boost chip 121 to amplify the protection voltage input by the overvoltage and overcurrent protection unit 11. The voltage regulator 124 is matched with the overvoltage and overcurrent protection unit 11 and the boost switching tube 122 to amplify the protection voltage input by the overvoltage and overcurrent protection unit 11, so as to meet the high-voltage condition for controlling the intelligent dimming glass 40, and then control of the intelligent dimming glass 40 is realized.

In one embodiment, as shown in FIG. 1, the combination control module 30 includes: a controller unit 31, a first waveform output unit 32, and a second waveform output unit 33; a controller unit 31 connected to the voltage regulating module 20, the first waveform output unit 32 and the second waveform output unit 33, for processing the regulating signal input by the voltage regulating module 20 and outputting a voltage control signal to the first waveform output unit 32 and the second waveform output unit 33; the first waveform output unit 32 is connected to the boost module 10 and the smart dimming glass 40, and is configured to process the boost voltage VCC1 output by the boost module 10 by using a voltage control signal, and output a first control voltage to the smart dimming glass 40; and the second waveform output unit 33 is connected to the voltage boost module 10 and the smart light control glass 40, and is configured to process the boost voltage VCC1 output by the voltage boost module 10 by using the voltage control signal, and output the second control voltage to the smart light control glass 40.

The voltage control signal is a signal for controlling the first waveform output unit 32 and the second waveform output unit 33 to output the first control voltage and the second control voltage, respectively. The first control voltage and the second control voltage are ac voltages corresponding to ac square waves or sinusoidal square waves, and are used for controlling the smart dimming glass 40.

As an example, the controller unit 31 is connected to the voltage adjusting module 20, the first waveform output unit 32 and the second waveform output unit 33, the voltage adjusting module 20 inputs an adjusting signal to the controller unit 31, and the controller unit 31 can output a voltage control signal through the adjusting signal, control the first waveform output unit 32 to output a first control voltage, and control the second waveform output unit 33 to output a second control voltage, so as to control the smart dimming glass 40. Specifically, the first control voltage and the second control voltage are ac voltages corresponding to ac square waves or sinusoidal square waves, and when the ac square waves or the sinusoidal square waves alternate between positive and negative, the direction angles of the molecules of the light modulation film in the smart light modulation glass 40 are controlled, and different transmittances of the smart light modulation glass 40 are formed due to different direction angles of the molecules of the light modulation film. The first control voltage and the second control voltage have different waveforms corresponding to the ac voltage at the same time.

As another example, the first waveform output unit 32 is connected to the boost module 10 and the smart dimming glass 40, and the first waveform output unit 32 performs a voltage regulation process on the boost voltage VCC1 output by the boost module 10 according to the voltage control signal input by the controller unit 31, and outputs the first control voltage to the smart dimming glass 40. And a second waveform output unit 33 connected to the boost module 10 and the smart light control glass 40, wherein the second waveform output unit 33 performs a voltage regulation process on the boost voltage VCC1 output by the boost module 10 according to the voltage control signal input by the controller unit 31, and outputs a second control voltage to the smart light control glass 40.

In this embodiment, the controller unit 31 can output the voltage control signal according to the adjustment signal input by the voltage adjustment module 20, and control the first waveform output unit 32 and the second waveform output unit 33 to alternately output the first control voltage and the second control voltage, so as to implement adjustable control on the smart dimming glass 40 and improve the safety of the control system of the smart dimming glass 40. First waveform output unit 32, with step up module 10 and intelligent light control glass 40 and link to each other, second waveform output unit 33, with step up module 10 and intelligent light control glass 40 and link to each other, first waveform output unit 32 and second waveform output unit 33 carry out the voltage regulation processing to the boost voltage VCC1 of step up module 10 output according to the voltage control signal of controller unit 31 input, output first control voltage and second control voltage, it is adjustable to realize boost voltage VCC1, the security when improvement combination control module 30 controls intelligent light control glass 40.

In an embodiment, as shown in fig. 1, the boost module 10 further includes a voltage stabilizing unit 13; and a voltage stabilizing unit 13 connected to the power supply terminal BATT and the controller unit 31, for inputting a supply voltage VCC2 to the controller unit 31.

The voltage regulator unit 13 includes a voltage regulator 131 and a zener diode 132.

As an example, the regulator 131 is connected to the controller unit 31 in the controller unit 31 and the cathode of the zener diode 132, and the anode of the zener diode 132 is connected to the power supply terminal BATT. Specifically, the power supply terminal BATT supplies the input voltage to the voltage regulator 131 through the zener diode, and the voltage regulator 131 adjusts the input voltage to the power supply voltage VCC2 required by the controller unit 31, and can stably output the input voltage, thereby improving the reliability of the controller unit 31 during operation. The zener diode 132 can prevent a directional current, improving the safety of the power supply terminal BATT.

In this embodiment, the voltage stabilizing unit 13 is connected to the power supply terminal BATT and the controller unit 31, and the voltage stabilizing unit 13 adjusts the input voltage inputted from the power supply terminal BATT to the power supply voltage VCC2 required by the controller unit 31, and can stabilize the output and improve the reliability of the controller unit 31 in operation.

In one embodiment, as shown in fig. 1, the first waveform output unit 32 includes: a first gate driving unit 321, a first driving pipe unit 322 and a first filter 323; a first gate driving unit 321, connected to the controller unit 31 and the first driving pipe unit 322, for driving the first driving pipe unit 322 according to the voltage control signal output by the controller unit 31; the first driving tube unit 322 is connected to the voltage boosting module 10 and the first filter 323, and is configured to process the boosted voltage VCC1 to form a first control voltage; and a first filter 323 connected to the smart glass 40 for outputting a first control voltage to the smart glass 40.

The first driving transistor unit 322 includes a first driving MOS transistor and a second driving MOS transistor. The first driving MOS tube and the second driving MOS tube are matched to convert the boosting voltage VCC1 into an alternating current square wave or a sinusoidal square wave. The first filter 323 may specifically be an LC low-pass filter.

Specifically, the first gate driving unit 321 is connected to the controller unit 31 and the first driving transistor unit 322, the first driving transistor unit 322 is connected to the voltage boosting module 10 and the first filter 323, and the first gate driving unit 321 can drive the first driving MOS transistor and the second driving MOS transistor in the first driving transistor unit 322 according to the voltage control signal output by the controller unit 31, so that the first driving MOS transistor and the second driving MOS transistor in the first driving transistor unit 322 adjust the boosted voltage VCC1 output by the voltage boosting module 10 to form a first control voltage, and input the first control voltage to the first filter 323 for filtering. The first filter 323 is connected to the smart light control glass 40, and the first filter 323 performs filtering processing on the first control voltage and outputs the filtered first control voltage to the smart light control glass 40, so as to implement voltage control on the smart light control glass 40. The first filter 323 filters the first control voltage, so that interference of noise with the first control voltage can be avoided, and the reliability of the smart light control glass 40 controlled by the smart light control glass control system can be improved.

In this embodiment, the first gate driving unit 321 is connected to the controller unit 31 and the first driving pipe unit 322, and the first driving pipe unit 322 is connected to the boost module 10 and the first filter 323 for driving the first driving pipe unit 322. The first gate driving unit 321 can drive the first driving tube unit 322 according to the voltage control signal output by the controller unit 31, so that the first driving tube unit 322 adjusts the boosted voltage VCC1 output by the voltage boosting module 10 to form the first control voltage. The first filter 323 filters the first control voltage, so that the interference of clutter to the first control voltage can be avoided, and the reliability of the intelligent dimming glass control system for controlling the intelligent dimming glass 40 can be improved.

In one embodiment, as shown in fig. 1, the second waveform output unit 33 includes: a second gate-level driving unit 331, a second driving pipe unit 332, and a second filter 333; a second gate driving unit 331 connected to the controller unit 31 and the second driving pipe unit 332, and configured to drive the second driving pipe unit 332 according to a voltage control signal output by the controller unit 31; the second driving tube unit 332 is connected to the boosting module 10 and the second filter 333, and is configured to process the boosting voltage VCC1 to form a second control voltage; and a second filter 333 connected to the smart glass 40 for outputting a second control voltage to the smart glass 40.

The second driving transistor unit 332 includes a third driving MOS transistor and a fourth driving MOS transistor. The third driving MOS tube and the fourth driving MOS tube are matched to convert the boosting voltage VCC1 into an alternating current square wave or a sinusoidal square wave. The second filter 333 may specifically be an LC low-pass filter.

Specifically, the second gate driving unit 331 is connected to the controller unit 31 and the second driving transistor unit 332, the second driving transistor unit 332 is connected to the boost module 10 and the second filter 333, and the second gate driving unit 331 can drive the third driving MOS transistor and the fourth driving MOS transistor in the second driving transistor unit 332 according to the voltage control signal output by the controller unit 31, so that the third driving MOS transistor and the fourth driving MOS transistor in the second driving transistor unit 332 adjust the boost voltage VCC1 output by the boost module 10 to form a second control voltage, and input the second control voltage to the second filter 333 for filtering. And the second filter 333 is connected to the smart dimming glass 40, and the second filter 333 performs filtering processing on the second control voltage and outputs the second control voltage after the filtering processing to the smart dimming glass 40, so as to implement adjustable voltage control on the smart dimming glass 40. The second filter 333 filters the second control voltage, so that interference of noise with the second control voltage can be avoided, and the reliability of the smart light control glass 40 controlled by the smart light control glass control system can be improved.

In this embodiment, the second gate driving unit 331 is connected to the controller unit 31 and the second driving pipe unit 332, the second driving pipe unit 332 is connected to the voltage boosting module 10 and the second filter 333, and the second gate driving unit 331 can drive the second driving pipe unit 332 according to the voltage control signal output by the controller unit 31, so that the first driving pipe unit 322 adjusts the boosted voltage VCC1 output by the voltage boosting module 10 to form the first control voltage; the first filter 323 filters the first control voltage, so that the interference of clutter to the first control voltage can be avoided, and the reliability of the intelligent dimming glass control system for controlling the intelligent dimming glass 40 can be improved.

In one embodiment, as shown in FIG. 1, the combination control module 30 further includes a feedback adjustment unit 34; the feedback adjusting unit 34 has one end connected to the controller unit 31 and the other end connected to the first waveform output unit 32 or the second waveform output unit 33.

The feedback adjusting unit 34 is a unit capable of diagnosing whether the control voltage output by the first waveform output unit 32 or the second waveform output unit 33 is overvoltage or not, or diagnosing whether an overcurrent occurs in the first waveform output unit 32 or the second waveform output unit 33 or not, and the controller unit 31 performs adjustment.

As an example, the feedback adjusting unit 34 is connected to the controller unit 31 and the first waveform output unit 32, when the first control voltage outputted from the first waveform output unit 32 exceeds a certain threshold, the feedback adjustment unit 34 may output a feedback adjustment signal to the controller unit 31, and the controller unit 31 may cut off the control of the first waveform output unit 32 and the second waveform output unit 33 according to the feedback adjustment signal, so that the first and second driving MOS transistors in the first waveform output unit 32 and the third and fourth driving MOS transistors in the second waveform output unit 33 are in the off state, so that the first waveform output unit 32 and the second waveform output unit 33 stop outputting the first control voltage and the second control voltage to the smart dimming glass 40, thereby preventing a safety accident and improving safety when the smart dimming glass 40 is controlled.

As another example, the feedback adjusting unit 34 is connected to the controller unit 31 and the second waveform outputting unit 33, respectively, and when the second control voltage output by the second waveform outputting unit 33 exceeds a certain threshold, the feedback adjusting unit 34 cuts off the control of the first waveform outputting unit 32 and the second waveform outputting unit 33 by the controller unit 31, and the first driving MOS and the second driving MOS in the first waveform outputting unit 32 and the third driving MOS and the fourth driving MOS in the second waveform outputting unit 33 are in a cut-off state, so that the first waveform outputting unit 32 and the second waveform outputting unit 33 stop outputting the first control voltage and the second control voltage to the smart dimming glass 40, thereby preventing a safety accident and improving safety when the smart dimming glass 40 is controlled.

Further, the feedback adjusting unit 34 may further include an adaptive circuit, where the adaptive circuit is capable of diagnosing a matching relationship between the control voltage and the actual voltage on the smart light control glass 40, and if the control voltage is not consistent with the actual voltage on the smart light control glass 40, the feedback adjusting unit 34 instructs the controller unit 31 to adjust the control voltage according to a preset correction parameter, so as to improve safety when controlling the smart light control glass 40.

In the present embodiment, one end of the feedback adjusting unit 34 is connected to the controller unit 31, and the other end is connected to the first waveform output unit 32 or the second waveform output unit 33, so that a safety accident can be prevented, and safety when the smart dimming glass 40 is controlled can be improved.

In one embodiment, as shown in FIG. 1, the voltage regulation module 20 includes a regulator 21 and a bus transceiver 22; the regulator 21 is connected with the bus transceiver 22 for outputting a regulating signal; and a bus transceiver 22 connected to the regulator 21 and the controller unit 31 for transmitting the regulation signal to the controller unit 31.

The regulator 21 may be a knob switch, and is used to regulate the boost voltage VCC 1. The bus transceiver 22 may specifically be a lin (local Interconnect network) bus transceiver 22 is a UART/SCI (universal asynchronous receiver/serial interface) based low cost serial communication protocol for communication between the regulator 21 and the controller unit 31.

As an example, the regulator 21 is connected to the bus transceiver 22, the bus transceiver 22 is connected to the regulator 21 and the controller unit 31, and when the user needs to adjust the control voltage to control the smart light control glass 40, the knob of the regulator 21 is rotated to trigger an adjustment signal; the regulator 21 sends the regulating signal to the controller unit 31 through the bus transceiver 22, and the controller unit 31 regulates the first control voltage and the second control voltage output by the first waveform output unit 32 and the second waveform output unit 33, so that the control voltage of the smart dimming glass 40 is regulated, and the safety and the reliability of the smart dimming glass 40 during control are improved.

In the present embodiment, the regulator 21 is connected to the bus transceiver 22; the bus transceiver 22 is connected to the regulator 21 and the controller unit 31, so as to adjust the control voltage of the smart light control glass 40, and improve the safety and reliability of the smart light control glass 40 during control.

An automobile comprises intelligent dimming glass 40 and the intelligent dimming glass control system, wherein the intelligent dimming glass control system is connected with the intelligent dimming glass 40.

In this embodiment, the smart light control glass control system can perform voltage-adjustable control on the smart light control glass 40 on the vehicle, so as to improve the safety and reliability of the smart light control glass 40 on the vehicle.

The above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.

Claims

1. An intelligent dimming glass control system is used for controlling intelligent dimming glass and is characterized by comprising a boosting module, a voltage regulating module and a combined control module;

2. The smart dimming glass control system of claim 1, wherein the boost module comprises an over-voltage and over-current protection unit and a voltage amplification unit;

3. The smart dimming glass control system of claim 2, wherein the voltage amplification unit comprises a boost chip, a boost switching tube, a boost diode and a voltage regulator;

4. The smart switchable glass control system of claim 1, wherein the combination control module comprises a controller unit, a first waveform output unit, and a second waveform output unit;

5. The smart dimming glass control system of claim 4, wherein the boost module further comprises a voltage stabilization unit;

6. The smart dimming glass control system of claim 4, wherein the first waveform output unit comprises a first gate level driving unit, a first driving tube unit and a first filter;

7. The smart switchable glass control system of claim 4, wherein the second waveform output unit comprises: the second gate level driving unit, the second driving pipe unit and the second filter;

8. The smart switchable glass control system of claim 4, wherein the combination control module further comprises a feedback adjustment unit;

9. The smart switchable glass control system of claim 4 wherein the voltage regulation module comprises a regulator and a bus transceiver;

10. An automobile comprising smart glass, further comprising the smart glass control system as claimed in any one of claims 1-9, wherein the smart glass control system is connected to the smart glass.