Drive protection circuit, method, apparatus, medium, and laundry treatment apparatus

Abstract

The present disclosure relates to a driving protection circuit, method, device, medium and clothes processing equipment, the driving protection circuit comprising: at least two light emitting elements arranged in parallel; a driving element connected with the at least two light emitting elements, for providing a driving current to the light emitting elements; a detection element for detecting the working state of the at least two light emitting elements to obtain a feedback signal; and a control element for adjusting the driving current based on the feedback signal, so that the light emitting elements work within a reference current range. Thus, the working state of the at least two light emitting elements can be detected, and the driving current is adjusted according to the obtained feedback signal, so that the driving current is adapted to the working state, and the light emitting elements all work within the reference current range, thereby realizing driving protection of the light emitting elements, and being beneficial to ensuring the reliability and service life of the light emitting elements.

Description

Technical Field

[0001] This disclosure relates to the field of electronic control technology, and in particular to a drive protection circuit, method, apparatus, medium, and clothing processing equipment. Background Technology

[0002] In existing garment processing equipment, when using light-emitting elements to provide information prompts, a structure in which several light-emitting elements are driven in parallel is usually used.

[0003] In this process, the light-emitting elements are typically driven by a pre-set, fixed current. Therefore, if one light-emitting element fails, the remaining elements must withstand a larger current, leading to a reduction in their reliability and lifespan. Summary of the Invention

[0004] To solve the above-mentioned technical problems, or at least partially solve them, this disclosure provides a drive protection circuit, method, apparatus, medium, and garment processing device.

[0005] This disclosure provides a drive protection circuit, including:

[0006] At least two light-emitting elements are connected in parallel;

[0007] A driving element, connected to the at least two light-emitting elements, is used to provide driving current to the light-emitting elements;

[0008] A detection element is used to detect the operating status of the at least two light-emitting elements and obtain a feedback signal;

[0009] A control element is used to adjust the drive current based on the feedback signal so that the light-emitting element operates within a reference current range.

[0010] Optionally, the drive protection circuit further includes a drive chip, wherein the control element, the drive element, and the detection element are all disposed within the drive chip;

[0011] The first and second ends of the driver chip are connected to the at least two light-emitting elements for outputting the driving current or for acquiring the feedback signal; wherein the time of outputting the driving current and the time of acquiring the feedback signal are staggered.

[0012] Optionally, the driving chip is a constant current driving chip, and the feedback signal is a voltage.

[0013] This disclosure also provides a drive protection method, which applies any of the above-described drive protection circuits, the method comprising:

[0014] A feedback signal is acquired; the feedback signal is obtained by the detection element detecting the working state of the light-emitting element.

[0015] The driving current is adjusted based on the feedback signal so that the light-emitting element operates within the reference current range.

[0016] Optionally, in the drive protection circuit that shares a port with both the feedback signal and the drive current, acquiring the feedback signal includes:

[0017] The drive current is provided using the shared port during a first preset time period, and the feedback signal is acquired using the shared port during a second preset time period.

[0018] The first preset time is staggered from the second preset time, and the first preset time is longer than the second preset time.

[0019] Optionally, the light-emitting element is driven periodically at a preset frequency;

[0020] The second time includes a preset number of periods;

[0021] The first time period includes one cycle.

[0022] Optionally, the drive protection method further includes:

[0023] When the at least two light-emitting elements are in the reference operating state, a reference feedback signal is acquired and the reference drive current is recorded;

[0024] The adjustment of the drive current based on the feedback signal includes:

[0025] Based on the reference feedback signal and the feedback signal, the operating state of the at least two light-emitting elements is determined;

[0026] The drive current is updated based on the operating state and the reference drive current.

[0027] This disclosure also provides a drive protection device, applied to any of the above-described drive protection circuits, the device comprising:

[0028] An acquisition module is used to acquire a feedback signal; the feedback signal is obtained by the detection element detecting the working state of the light-emitting element;

[0029] An adjustment module is used to adjust the driving current based on the feedback signal so that the light-emitting element operates within a reference current range.

[0030] This disclosure also provides a computer-readable storage medium having a computer program stored thereon, the computer program being executed by a processor to implement the steps of any of the above methods.

[0031] This disclosure also provides a garment processing device, including any of the above-described drive protection circuits.

[0032] The technical solution provided in this disclosure has the following advantages compared with the prior art:

[0033] The drive protection circuit provided in this disclosure includes a control element, a drive element, and a detection element. Specifically, the drive element is connected to at least two light-emitting elements and can provide drive current to the light-emitting elements; the detection element can detect the operating status of at least two light-emitting elements and obtain feedback signals; the control element can adjust the drive current based on the feedback signals so that the light-emitting elements operate within a reference current range. This allows for the detection of the operating status of at least two light-emitting elements and the adjustment of the drive current based on the obtained feedback signals, ensuring that the drive current adapts to the operating status and that all light-emitting elements operate within the reference current range. This achieves drive protection for the light-emitting elements, which helps ensure the reliability and lifespan of the light-emitting elements. Attached Figure Description

[0034] The accompanying drawings, which are incorporated in and form a part of this specification, illustrate embodiments consistent with this disclosure and, together with the description, serve to explain the principles of this disclosure.

[0035] To more clearly illustrate the technical solutions in the embodiments of this disclosure or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0036] Figure 1 This is a schematic diagram of a drive protection circuit provided in an embodiment of the present disclosure;

[0037] Figure 2 This is a schematic diagram of another drive protection circuit provided in an embodiment of the present disclosure;

[0038] Figure 3 This is a schematic diagram of another drive protection circuit provided in an embodiment of the present disclosure;

[0039] Figure 4 This is a schematic diagram of another drive protection circuit provided in an embodiment of the present disclosure;

[0040] Figure 5 A schematic flowchart of a driving protection method provided in an embodiment of this disclosure;

[0041] Figure 6 This is a schematic diagram of the structure of a drive protection device provided in an embodiment of this disclosure. Detailed Implementation

[0042] To better understand the above-mentioned objectives, features, and advantages of this disclosure, the solutions disclosed herein will be further described below. It should be noted that, unless otherwise specified, the embodiments and features described herein can be combined with each other.

[0043] Numerous specific details are set forth in the following description in order to provide a full understanding of this disclosure, but this disclosure may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only some, and not all, of the embodiments of this disclosure.

[0044] In related technologies, the display structure in garment processing equipment sometimes employs a parallel driving configuration of several light-emitting elements (such as LEDs). Taking a structure with two LEDs in parallel as an example, constant current driving or constant voltage driving can be used. For example, with constant current driving, a normal operating current of 20mA can be used, with each LED carrying 10mA of current. However, if one LED fails and causes an open circuit, the other LED will then bear 20mA of current. This significantly reduces the reliability and lifespan of the failed LED, thus affecting the reliability of the entire display panel in the garment processing equipment.

[0045] To address the aforementioned technical problems, the technical solution provided in this disclosure, by setting detection elements and driving elements, can detect the working status of at least two light-emitting elements and adjust the driving current according to the obtained feedback signal, so that the driving current is adapted to the working status, and all light-emitting elements work within the reference current range, thereby achieving driving protection for the light-emitting elements, which is beneficial to ensuring the reliability and lifespan of the light-emitting elements, and thus ensuring the reliability of the entire display panel in the garment processing equipment.

[0046] In some embodiments, the control element, the detection element, and the drive element may be disposed in the same driver chip, and the detection element and the drive element may share the input / output port (referred to as "IO port") of the driver chip, thereby simplifying the circuit structure.

[0047] Furthermore, the light-emitting element can be driven according to a preset frequency cycle. During one cycle at a preset time interval, the IO port is used to collect feedback signals; during the preset time interval, the IO port is used to output driving current. Thus, while collecting feedback signals, excessive impact on normal light emission is avoided, ensuring that the light-emitting element can emit light normally.

[0048] In some embodiments, the feedback signal may be an electrical signal; for example, when a constant current drive is used, the feedback signal may be a voltage drop.

[0049] Based on the above, for the structure of two LEDs driven in parallel, while providing the drive current, the I / O port is multiplexed as a detection port in one cycle to detect the voltage across the LED. Because the diode voltage drop corresponding to 10mA and 20mA is different, if a change in the voltage drop corresponding to 20mA is detected, it indicates that one LED is open-circuited. At this time, the control I / O port only outputs a constant current of 10mA to ensure the reliability of the LED and the entire display board.

[0050] For example, the LED can be a surface-mount LED or a light-emitting diode (LED), and is not limited thereto.

[0051] The driving protection circuit, method, apparatus, medium, and clothing processing equipment provided in the embodiments of this disclosure will be described by way of example below with reference to the accompanying drawings.

[0052] For example, Figure 1 This is a schematic diagram of a drive protection circuit provided in an embodiment of this disclosure. (Reference) Figure 1 The drive protection circuit 10 includes: at least two light-emitting elements 120 arranged in parallel; a drive element 110 connected to the at least two light-emitting elements 120 for providing drive current to the light-emitting elements 120; a detection element 130 for detecting the operating state of the at least two light-emitting elements 120 and obtaining a feedback signal; and a control element 140 for adjusting the drive current based on the feedback signal so that the light-emitting elements 120 operate within a reference current range.

[0053] In this embodiment of the disclosure, the light-emitting element 120 is an element used for emitting light, and can be a lamp bead, specifically an LED lamp bead. For example, Figure 1 The diagram shows three parallel light-emitting elements 120. In other embodiments, the parallel light-emitting elements 120 may also be two, four, or other numbers of multiple light-emitting elements, which is not limited here. Each light-emitting element 120 may include a single LED, two LEDs connected in series, or multiple LEDs connected in series and parallel in other ways, which is not limited here.

[0054] In this embodiment of the disclosure, the driver chip 110 is capable of providing drive current to all light-emitting elements 120. For example, a constant current drive current can be provided.

[0055] In this embodiment, the detection element 130 can detect the operating state of the light-emitting element 120 and obtain a corresponding feedback signal. For example, the detection element 130 can detect voltage during constant current driving; or it can detect the overall or individual brightness signals of the light-emitting elements 120 to determine the operating state of the light-emitting elements 120, facilitating feedback driving adjustment of the light-emitting elements 120. For example, when the detection element 130 is used to detect the voltage of the light-emitting elements 120, at least two light-emitting elements 120 are considered as a whole being detected, and the detection element can be connected in parallel across both ends of this whole to achieve voltage detection.

[0056] Based on this, the control element 140 can match the corresponding drive current based on the feedback signal to adjust the drive current, so that the adjusted drive current is adapted to the operating state of the light-emitting element 120, so that the light-emitting element 120 operates within the reference current range. When the light-emitting element 120 operates within the reference current range, its reliability is high and its lifespan is long.

[0057] For example, the operating state of the light-emitting element 120 may include normal operation and open circuit; the adjusted drive current is matched with the number of light-emitting elements 120 in the normal operation state.

[0058] In the drive protection circuit 10 provided in this disclosure, by setting control element 140, drive element 110 and detection element 130, the working status of at least two light-emitting elements 120 can be detected, and the drive current can be adjusted according to the obtained feedback signal so that the drive current is adapted to the working status. The light-emitting elements 120 all work within the reference current range, thereby realizing drive protection for the light-emitting elements 120, which is beneficial to ensuring the reliability and life of the light-emitting elements 120.

[0059] In some embodiments, Figure 2 This is a schematic diagram of another drive protection circuit provided in an embodiment of this disclosure. Figure 1 Based on, refer to Figure 2 The drive protection circuit 10 also includes a drive chip 100, and the control element 140, drive element 110 and detection element 130 are all disposed in the drive chip 100; the first end and the second end of the drive chip 100 are connected to at least two light-emitting elements 120 for outputting drive current or for acquiring feedback signals; wherein the time of outputting drive current and the time of acquiring feedback signals are staggered.

[0060] In this embodiment, the driver chip 100 can not only provide driving current, but also collect feedback signals; it is equivalent to adding a detection function on the basis of a conventional driver chip, so that the same driver chip 100 can be used to drive the light-emitting element 120 and detect its working status.

[0061] Both the first and second terminals are input / output terminals, also known as input / output ports, or simply I / O ports. The two I / O ports of the driver chip 100 are respectively connected to the two ends of at least two light-emitting elements 120, enabling time-division multiplexing of the output of the driving current and the acquisition of feedback signals. This ensures a simple circuit structure and achieves detection feedback while minimizing the impact on light emission.

[0062] For example, the light-emitting element 120 is driven to emit light in a periodic driving manner. The IO port is used to collect feedback signals in one cycle and to provide driving current in other cycles.

[0063] It is understandable that the interval between the acquisition of feedback signals can be set based on the requirements of the drive protection circuit, and is not limited here.

[0064] In some embodiments, the driving chip 100 may be a constant current driving chip, and the corresponding feedback signal may be a voltage. By identifying the voltage, the number of light-emitting elements 120 in normal working condition can be determined.

[0065] In this embodiment of the present disclosure, under constant current driving mode, the driving chip 100 provides driving current to the light-emitting element 120. When the light-emitting element 120 is damaged, such as when it is open-circuited, the voltage across the light-emitting element 120 will change. Thus, by setting the feedback signal to voltage, it is possible to determine whether the light-emitting element 120 is malfunctioning based on whether the voltage changes; thereby facilitating the matching and adjustment of the driving current.

[0066] For example, Figure 3 This is a schematic diagram of another drive protection circuit provided in an embodiment of the present disclosure. Figure 4 This is a schematic diagram of another driving protection circuit provided in the embodiments of this disclosure, all showing a structure of two LEDs connected in series; wherein Figure 3 In the drive protection circuit shown, both LEDs are working normally. Figure 4 In the drive protection circuit shown, one LED ( Figure 4 (D2 shown in the image) is damaged, another LED ( Figure 4 (As shown in D1) It works normally. Reference Figure 3 and Figure 4 During normal operation, when both LEDs are working properly, the driver chip 100 provides a constant current output of 20mA. At preset intervals, the I / O port is used as a detection port within one cycle to detect the voltage across the light-emitting element 120, serving as the normal voltage or a reference feedback signal. If one LED fails, the voltage detected by the driver chip 100 changes relative to the normal voltage, for example, abruptly changing from the normal voltage to another voltage. This corresponds to an abnormality in the light-emitting element 120, for example... Figure 4The LED shown is damaged. At this time, the driver chip 100 adjusts the drive current, for example, from a constant current of 20mA to a constant current of 10mA, to ensure the reliability of the LED and the entire display board.

[0067] Figure 3 and Figure 4 This is merely an illustrative example. In other embodiments, the number of LEDs connected in series and the specific value of the driving current can be set based on the requirements of the driving protection circuit, as long as the state detection and feedback adjustment of the light-emitting element 120 can be achieved. This is not limited here.

[0068] In other embodiments, the feedback signal may also include other signals that can characterize the operating state of the light-emitting element 120, such as brightness, which will not be elaborated or limited here.

[0069] Based on the above embodiments, this disclosure also provides a driving protection method, which can be applied to any of the driving protection circuits provided in the above embodiments to realize the state detection and feedback adjustment of the light-emitting element, so as to realize the driving protection of the light-emitting element.

[0070] In some embodiments, Figure 5 This is a schematic flowchart illustrating a drive protection method provided in an embodiment of this disclosure. (See reference...) Figure 5 The method may include the following steps:

[0071] S210, Obtain feedback signal.

[0072] In this embodiment of the disclosure, the feedback signal is obtained by the detection element detecting the working state of the light-emitting element, and the feedback signal is a signal used to characterize the working state of the light-emitting element.

[0073] Based on the above, the feedback signal can be collected by the detection element and transmitted to the control element; correspondingly, the control element can acquire the feedback signal.

[0074] Alternatively, when the control element, detection element and driving element are all integrated on the driving chip, the I / O ports of the driving chip can be reused to realize the output of driving current and the acquisition of feedback signals in a time-sharing manner.

[0075] S220: Adjust the drive current based on the feedback signal so that the light-emitting element operates within the reference current range.

[0076] In this embodiment of the disclosure, the feedback signal can reflect the working state of the light-emitting element, and the driving current can be adjusted accordingly to make the adjusted driving current adapt to the working state of the light-emitting element, so that the light-emitting element works within the reference current range, thereby ensuring the reliability and lifespan of the light-emitting element.

[0077] For example, in conjunction with the above, this method can be executed by a control element or a driver chip.

[0078] The driving protection method provided in this disclosure can detect the working status of at least two light-emitting elements and adjust the driving current according to the obtained feedback signal so that the driving current is adapted to the working status and the light-emitting elements all work within the reference current range, thereby realizing driving protection of the light-emitting elements and helping to ensure the reliability and lifespan of the light-emitting elements.

[0079] In some embodiments, in a drive protection circuit where the feedback signal and drive current share a common port, the feedback signal or the output drive current can be acquired in a time-division manner based on the common port.

[0080] For example, in conjunction with the above, when both the driving element and the detection element are located in the driving chip, the two I / O ports of the driving chip can be used as shared ports.

[0081] Based on this, S201 may specifically include:

[0082] The drive current is provided using a shared port during a first preset time period, and the feedback signal is acquired using a shared port during a second preset time period.

[0083] The first preset time and the second preset time are staggered, and the first preset time is longer than the second preset time.

[0084] In this embodiment, a shared port is used to provide driving current and collect feedback signals at mutually staggered first and second preset times, respectively. This ensures that the structure of the driving protection circuit is relatively simple while realizing state detection and feedback adjustment. It also ensures that the feedback signal and driving current do not conflict and that the state detection has little impact on the light emission driving.

[0085] The first preset time and the second preset time will be described by example in the following text.

[0086] In some embodiments, the light-emitting element is driven periodically at a preset frequency; the second time includes a preset number of periods; and the first time includes one period.

[0087] In this embodiment of the disclosure, the preset frequency may be 9600Hz or other frequency values, which may be set based on the needs of the drive protection circuit and the clothing processing equipment, and is not limited herein.

[0088] In this embodiment of the disclosure, the preset number is much greater than 1, so as to minimize the impact of state detection on the light emission drive.

[0089] For example, when there are N cycles within 1 second, one cycle is used to acquire the feedback signal, and the remaining N-1 cycles are used to output the drive current; that is, one cycle is set within 1 second to acquire the feedback signal. Alternatively, one cycle can be set within 2 seconds to acquire the feedback signal; or other time settings can be used to acquire the feedback signal, which are not limited here.

[0090] In some embodiments, the driver protection method further includes:

[0091] When at least two light-emitting elements are in the reference operating state, the reference feedback signal is acquired and the reference drive current is recorded.

[0092] In this embodiment of the disclosure, the reference working state refers to the working state in which all light-emitting elements are emitting light normally. In this working state, the reference feedback signal is acquired and the reference driving current is recorded, providing a data basis for adjusting the driving current in combination with the feedback signal in subsequent steps.

[0093] Based on this, the adjustment of the drive current based on the feedback signal in the above embodiments may specifically include the following steps:

[0094] Based on the reference feedback signal and the feedback signal, determine the operating state of at least two light-emitting elements;

[0095] Update the drive current based on the operating state and the reference drive current.

[0096] In this embodiment of the disclosure, the operating state of the light-emitting element can be determined by comparing the reference feedback signal and the feedback signal; and based on the current operating state, the driving current is updated in conjunction with the reference driving current to adjust the driving current so that the adjusted driving current can adapt to the operating state of the light-emitting element, so that the light-emitting element operates within the reference current range, thereby ensuring the reliability and lifespan of the light-emitting element.

[0097] For example, combining the above and Figure 3 , Figure 4 Taking the multiplexing of the I / O ports of the driver chip to provide drive current and collect feedback signals in a time-sharing manner as an example, the drive protection method under constant current drive is illustrated as follows.

[0098] During normal driving, when all light-emitting elements are in normal working condition, the IO port (e.g., the SEG11 port of the driver chip) outputs a constant current of 20mA. At the same time, the SEG11 port is multiplexed as a detection port every second in one cycle to detect the voltage across the light-emitting elements, which can be represented by S1 and marked as normal voltage drop.

[0099] If one of the light-emitting elements fails, such as Figure 4As shown, the SEG11 port detected a sudden change in voltage drop from S1 to S2. This indicates that one LED is damaged, leaving only the other LED conducting and bearing the 20mA current alone. To address this, the SEG11 port adjusts its output drive current, for example, by changing it to a constant current output of 10mA, to ensure the reliability of the LEDs (e.g., surface-mount LEDs) and the entire display board.

[0100] It should be noted that the technical solutions provided in this disclosure can also be applied to structures with three or more light-emitting elements connected in parallel, and are not limited thereto.

[0101] Based on the same inventive concept, this disclosure also provides a driving protection device, which can be implemented based on any of the driving protection circuits provided in the above embodiments. It can be optionally set in the driving element and can realize the state detection and feedback adjustment of the light-emitting element to achieve driving protection of the light-emitting element.

[0102] In some embodiments, Figure 6 This is a schematic diagram of a drive protection device provided in an embodiment of this disclosure. (Refer to...) Figure 6 The drive protection device 30 includes: an acquisition module 310 for acquiring a feedback signal; the feedback signal is obtained by a detection element detecting the operating state of the light-emitting element; and an adjustment module 320 for adjusting the drive current based on the feedback signal so that the light-emitting element operates within a reference current range.

[0103] What is understandable is that Figure 6 The drive protection device shown can implement the steps of any of the drive protection methods in the above embodiments and has the corresponding effects.

[0104] This disclosure also provides a computer-readable storage medium storing a computer program thereon, which is executed by a processor to implement the steps of any of the methods provided in the above embodiments and achieve the corresponding beneficial effects.

[0105] This disclosure also provides a garment processing device, including any of the drive protection circuits provided in the above embodiments.

[0106] For example, the garment handling device may include a display panel, and the drive protection circuit is disposed in the circuit board corresponding to the display panel.

[0107] For example, the garment handling equipment may include a front-loading washing machine, a top-loading washing machine, a dryer, a washer-dryer combo, or other equipment, which are not described in detail or are not limited herein.

[0108] In other embodiments, the garment processing device may also include a garment holding tank, a drive motor, and other structural and functional components known to those skilled in the art, which are not described in detail or limited herein.

[0109] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0110] The above description is merely a specific embodiment of this disclosure, enabling those skilled in the art to understand or implement it. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this disclosure. Therefore, this disclosure is not to be limited to the embodiments described herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A drive protection circuit, characterized in that, include: At least two light-emitting elements are connected in parallel; A driving element, connected to the at least two light-emitting elements, is used to provide driving current to the light-emitting elements; A detection element is used to detect the operating status of the at least two light-emitting elements and obtain a feedback signal; A control element is used to adjust the drive current based on the feedback signal so that the light-emitting element operates within a reference current range; The drive protection circuit further includes a drive chip, and the control element, the drive element and the detection element are all disposed within the drive chip; The first and second ends of the driver chip are connected to the at least two light-emitting elements for outputting the driving current or for acquiring the feedback signal; wherein the time of outputting the driving current and the time of acquiring the feedback signal are staggered.

2. The drive protection circuit according to claim 1, characterized in that, The driving chip is a constant current driving chip, and the feedback signal is voltage.

3. A driving protection method, characterized in that, The method, applied to the drive protection circuit according to any one of claims 1-2, comprises: A feedback signal is acquired; the feedback signal is obtained by the detection element detecting the working state of the light-emitting element. The driving current is adjusted based on the feedback signal so that the light-emitting element operates within the reference current range; In the drive protection circuit that shares a port with both the feedback signal and the drive current, acquiring the feedback signal includes: The drive current is provided using the shared port during a first preset time period, and the feedback signal is acquired using the shared port during a second preset time period. The first preset time is staggered from the second preset time.

4. The drive protection method according to claim 3, characterized in that, The first preset time is greater than the second preset time.

5. The drive protection method according to claim 4, characterized in that, The light-emitting element is driven periodically at a preset frequency; The second preset time includes a preset number of cycles; The first preset time includes a cycle.

6. The drive protection method according to any one of claims 3-5, characterized in that, Also includes: When the at least two light-emitting elements are in the reference operating state, a reference feedback signal is acquired and the reference drive current is recorded; The adjustment of the drive current based on the feedback signal includes: Based on the reference feedback signal and the feedback signal, the operating state of the at least two light-emitting elements is determined; The drive current is updated based on the operating state and the reference drive current.

7. A drive protection device, characterized in that, The device, applied to the drive protection circuit according to any one of claims 1-2, comprises: An acquisition module is used to acquire a feedback signal; the feedback signal is obtained by the detection element detecting the working state of the light-emitting element; The adjustment module is used to adjust the driving current based on the feedback signal so that the light-emitting element operates within the reference current range; In the drive protection circuit where the feedback signal and the drive current share a port, the acquisition module is specifically used to: provide the drive current using the shared port at a first preset time, and acquire the feedback signal using the shared port at a second preset time; the first preset time and the second preset time are staggered.

8. A computer-readable storage medium having a computer program stored thereon, characterized in that, The computer program is executed by a processor to implement the steps of the method as described in any one of claims 3-6.

9. A garment processing device, characterized in that, Includes the drive protection circuit as described in any one of claims 1-2.

Images