ESD wrist strap monitoring external trigger induction dormancy device

Abstract

The utility model discloses an ESD wrist strap monitoring external trigger induction dormancy device. The device comprises an ESD equipment host (1). And the wrist strap induction hooks (3) are used for detecting whether an operator wears an ESD wrist strap or not, and the wrist strap induction hooks (3) are connected with the ESD wrist strap through contact induction. According to the ESD wrist strap monitoring external trigger induction dormancy device provided by the utility model, a contact type induction and light sensor interlocking mode is adopted, so that the behavior that an operator wears a wrist strap on duty can be effectively standardized, a false standby state caused by personnel departure or wearing counterfeiting is prevented, and meanwhile, a false alarm condition caused by light sensation false triggering is avoided; the lever principle is utilized to press the inductive switch to realize level grounding, multiple groups of signals are detected through the single-chip microcomputer, whether an operator correctly wears the wrist strap and is on duty is judged, and reliable realization of fool-proof and mistake-proof functions is ensured.

Description

Technical Field

[0001] This utility model relates to the field of ESD wristband monitoring, specifically to an external trigger sensing sleep device for ESD wristband monitoring. Background Technology

[0002] In industrial production, electrostatic discharge (ESD) protection plays a crucial role in improving product quality and ensuring production safety. Traditional ESD protection primarily relies on operators wearing anti-static wrist straps to conduct static electricity from their bodies to the ground. However, current technology largely manages the wearing of anti-static wrist straps by manual supervision, lacking effective monitoring methods. This approach is prone to the following problems:

[0003] False standby status caused by human absence from the post: When the operator leaves the workstation, the wristband is still hanging in a fixed position, and the existing monitoring device cannot accurately determine whether the operator is actually on duty, which can easily cause a false standby status.

[0004] Human intervention by operators can cause sensor spoofing: Some operators may manipulate the monitoring device to interfere with the sensor results, causing the system to mistakenly believe that the wristband is being worn normally, resulting in monitoring failure.

[0005] False alarms caused by light-sensitive triggering: Some existing monitoring devices rely on light sensors to detect personnel presence, but these are easily affected by changes in ambient light, causing false alarms and affecting the reliability of anti-static effects.

[0006] In summary, existing technologies have significant shortcomings in managing operator wristband wearing, lacking a technical means to efficiently monitor wearing status, prevent false alarms and fraudulent activities, and standardize operator wearing habits. Therefore, an improved technical solution is urgently needed to overcome these shortcomings, enhance the accuracy and reliability of ESD wristband monitoring, and thus ensure the electrostatic protection quality and overall product quality stability during the enterprise's production process. Utility Model Content

[0007] To address the aforementioned issues, this invention provides an ESD wristband monitoring external trigger sensing sleep device, which effectively overcomes the shortcomings of existing technologies.

[0008] This utility model is achieved through the following technical solution: an ESD wristband monitoring external trigger sensing sleep device, comprising:

[0009] ESD device host;

[0010] Multiple wristband sensor hooks are used to detect whether the operator is wearing an ESD wristband. The wristband sensor hooks are connected to the ESD wristband through contact sensing.

[0011] A light sensor is installed on the main unit of the ESD device to detect whether the operator is at the work station. The light sensor is interlocked with the wristband sensing hook.

[0012] The inductive switch is connected to the wristband sensing hook via a lever principle. When the ESD wristband is hung on the wristband sensing hook, the inductive switch is pressed and grounded.

[0013] The microcontroller is electrically connected to the inductive switch and the light sensor, and is used to detect the level state of the inductive switch and the sensing signal of the light sensor. When the inductive switch is at a low level and the light sensor does not detect a person, the microcontroller controls the ESD wristband monitoring to enter a sleep state.

[0014] As a preferred technical solution, multiple wristband sensing hooks are arranged in a lever-like manner on the ESD device host, and the ESD wristband is hung on the wristband sensing hooks.

[0015] As a preferred technical solution, the wristband sensing hook includes a hook portion and a movable contact portion. The hook portion extends to the outside of the ESD device host, the movable contact portion is located inside the ESD device host, and the sensing switch is located on the upper surface of the movable contact portion.

[0016] As a preferred technical solution, the optical sensor is rotatably mounted on the ESD device host.

[0017] As a preferred technical solution, rotating parts are respectively provided on both sides of the hook part, and the hook part is rotatably mounted on the ESD device host through the rotating parts.

[0018] As a preferred technical solution

[0019] When the optical sensor detects a person but the sensor switch is not triggered, the microcontroller determines that the wristband is not worn correctly and issues an alarm.

[0020] When the sensor switch is triggered but the optical sensor detects a person, the microcontroller determines it as a malfunction and issues an alarm.

[0021] When both the inductive switch and the optical sensor meet the sleep conditions, the microcontroller controls the ESD wristband monitoring to enter sleep mode to prevent false alarms.

[0022] As a preferred technical solution, the inductive switch is a limit switch or a Hall switch.

[0023] The beneficial effects of this utility model are: This utility model provides an ESD wristband monitoring external trigger sensing sleep device. By adopting the interlocking method of contact sensing and light sensor, it can effectively regulate the behavior of operators wearing wristbands on duty, prevent false standby state caused by personnel leaving their posts or wearing fake wristbands, and avoid false alarms caused by light sensor mis-triggering.

[0024] The lever principle is used to press the induction switch to achieve grounding. The microcontroller detects multiple sets of signals to determine whether the operator is wearing the wristband correctly and is on duty, ensuring the reliable implementation of the error prevention and fault prevention functions.

[0025] Compared to existing technologies, this device not only prevents false standby caused by human movement but also prevents fraudulent activities caused by operator intervention in sensing. It significantly reduces false alarms caused by light-sensor triggering and improves the effectiveness of electrostatic discharge. Through effective sensing and judgment methods, this invention can better ensure product quality during assembly line production, comprehensively improve the accuracy of electrostatic protection, and enhance enterprise production efficiency. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0027] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0028] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0029] Figure 3 This is the circuit schematic diagram of this utility model;

[0030] Explanation of reference numerals in the attached figures:

[0031] 1. ESD device host; 2. Optical sensor; 3. Wristband sensing hook; 31. Rotating part; 32. Hook part; 33. Movable contact part. Detailed Implementation

[0032] All features disclosed in this specification, or steps in all methods or processes disclosed herein, may be combined in any way, except for mutually exclusive features and / or steps.

[0033] Any feature disclosed in this specification (including any appended claims, abstract, and drawings) may be replaced by other equivalent or similar features for a similar purpose, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.

[0034] like Figure 1 and Figure 2 As shown, this utility model relates to an ESD wristband monitoring external trigger induction sleep device. This device is mainly used to detect and manage the status of operators wearing ESD wristbands, ensure their correct use on the production line, prevent false alarms and fraudulent activities, thereby improving the electrostatic protection effect and overall quality of products during the production process.

[0035] The ESD device host 1 is the core component of this device, used to connect multiple wristband sensing hooks 3, light sensors 2, inductive switches, and a microcontroller to form an integrated monitoring system. The wristband sensing hooks 3 connect to the ESD wristband via contact sensing, and their function is to trigger the inductive switch using a lever principle. When the operator hangs the ESD wristband on the sensing hook, the hook presses down on the inductive switch under gravity, grounding the inductive switch and generating a low-level signal.

[0036] Meanwhile, optical sensor 2 is installed on the ESD device host 1 to detect whether the operator is at the workstation. When optical sensor 2 detects that the operator is at the workstation, it generates a corresponding signal, which interlocks with the contact sensing signal. Under this interlocking mechanism, if optical sensor 2 does not detect the operator but the sensor switch triggers a low-level signal, the system can identify that the operator may have left their post or the wristband may not be worn correctly. Conversely, if optical sensor 2 detects that the operator is at the workstation, but the sensor switch does not trigger a low-level signal, the system can determine that the wristband may not be properly attached.

[0037] The microcontroller acts as the control center of the device, electrically connected to the inductive switch and the photosensitive sensor 2, and monitors their signal status in real time. Through comprehensive signal analysis, the microcontroller can identify and process the following states: When the photosensitive sensor 2 detects a person on duty but the inductive switch is not triggered, the microcontroller assumes the wristband is not worn correctly and issues an alarm to remind the operator; when the inductive switch is triggered but the photosensitive sensor 2 still detects a person, the microcontroller assumes there may be a misoperation and also issues an alarm to prompt the operator or manager to check the situation; when both the inductive switch and the photosensitive sensor 2 meet the sleep conditions, the microcontroller switches the ESD wristband monitoring device to sleep mode to avoid false alarms or unnecessary warnings.

[0038] Multiple wristband sensor hooks 3 employ a lever-type design and are fixed to the ESD device host 1 at certain intervals. Each hook is equipped with a corresponding sensor switch and sensing mechanism. The hook portion 32 of the wristband hook extends outside the host, allowing operators to easily hang the wristband directly. Rotating parts 31 are provided on both sides of the hook portion 32, allowing the hook to finely adjust its angle according to the weight of the wristband, ensuring more precise contact with the sensor switch. Figure 2 As shown. The movable contact part 33 of the hook part 32 is located inside the main unit and acts directly on the upper surface of the inductive switch to achieve rapid and stable detection of the level state.

[0039] The light sensor 2 is mounted on the top of the main unit and features a rotatable structure, allowing its angle to be adjusted according to the workstation conditions to adapt to different lighting conditions in the operating environment, thereby improving the accuracy and stability of detection. Through the coordinated operation of these components, the entire system forms a comprehensive, error-proof monitoring device. This device not only effectively detects and regulates the operator's wristband wearing behavior but also significantly reduces false alarms through its interlocking mechanism with the light sensor 2.

[0040] In this embodiment, the inductive switch is a limit switch or a Hall switch.

[0041] like Figure 3 As shown, it includes:

[0042] Power supply:

[0043] The circuit is powered by a +3.3V power supply, which provides the operating voltage for the entire circuit.

[0044] Resistor voltage divider circuit:

[0045] The circuit contains two resistors, R20 (100K) and R22 (10K), which together form a voltage divider circuit. The function of the voltage divider circuit is to distribute the input voltage proportionally, ensuring that the signal level in the circuit meets the design requirements.

[0046] Trigger switch (SW1):

[0047] The trigger switch SW1 is the core control element of the circuit. When the trigger switch is pressed, the on / off state of the circuit changes, thereby affecting the level of the output signal.

[0048] The trigger switch pin is connected to the circuit input terminal, and the transmission of control signals is controlled by closing or opening the switch.

[0049] High and low level signal output:

[0050] When the trigger switch SW1 is not pressed, the circuit outputs a high-level signal (usually +3.3V).

[0051] When the trigger switch SW1 is pressed, the circuit outputs a low-level signal (typically 0V or close to 0V).

[0052] These high and low level changes can be detected by external devices (such as microcontrollers or other digital circuits) and used to trigger corresponding operations or state transitions.

[0053] Signal processing:

[0054] The output high and low level signals can be further processed by external circuits, for example, to control relays, LED indicators, or other digital logic circuits.

[0055] The circuit is simple and reliable in design and is suitable for applications that require manual triggering or state switching.

[0056] This circuit controls the high and low level changes of the output signal by triggering switch SW1, realizing a simple manual triggering function. When the switch is pressed, the output is low; when the switch is not pressed, the output is high. It can be widely used in occasions that require manual control of the signal state, such as key input and state switching.

[0057] Compared to traditional technologies, this device utilizes a combination of contact sensing, interlocking optical sensors, and lever principles to achieve more precise operator status assessment. This avoids the problems of false standby and human manipulation found in existing technologies and effectively improves electrostatic discharge protection during assembly line production. Through real-time monitoring and automatic judgment mechanisms, this invention improves production efficiency while reducing the risks associated with human intervention, providing a solid guarantee for stable production and improved product quality.

[0058] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions conceived without inventive effort should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope defined in the claims.

Claims

1. An ESD wristband monitoring externally triggered inductive hibernation device, comprising: The ESD device host (1) comprises: a plurality of wristband sensing hooks (3) for detecting whether the worker wears the ESD wristband, the wristband sensing hooks (3) are connected with the ESD wristband through contact sensing; a light sensor (2) installed on the ESD device host (1) for detecting whether the worker is at the work station, the light sensor (2) is interlocked with the wristband sensing hook (3); an inductive switch connected with the wristband sensing hook (3) through the lever principle, when the ESD wristband is hung on the wristband sensing hook (3), the inductive switch is pressed, and the level is grounded; a single-chip microcomputer electrically connected with the inductive switch and the light sensor (2) for detecting the level state of the inductive switch and the sensing signal of the light sensor (2), when the inductive switch is low and the light sensor (2) cannot sense the personnel, the single-chip microcomputer controls the ESD wristband monitoring to enter the sleep state. A plurality of wristband sensing hooks (3) are arranged in the lever type on the ESD device host (1), and the ESD wristband is hung on the wristband sensing hook (3).

2. The ESD wrist strap monitoring externally triggered inductively dormant device of claim 1, wherein: The wristband sensing hook (3) comprises a hook part (32) and a movable contact part (33), the hook part (32) extends to the outside of the ESD device host (1), the movable contact part (33) is located inside the ESD device host (1), and the inductive switch is located on the upper end face of the movable contact part (33).

3. The ESD wrist strap monitoring externally triggered inductively dormant device of claim 2, wherein: The light sensor (2) is rotatably installed on the ESD device host (1).

4. The ESD wrist strap monitoring externally triggered inductively dormant device of claim 1, wherein: The hook part (32) is rotatably arranged on the ESD device host (1) through the rotating part (31) arranged on both sides of the hook part (32).

5. The ESD wrist strap monitoring device of claim 3, wherein:

6. The ESD wristband monitoring external trigger sensing sleep device according to claim 1, wherein: when the light sensor (2) senses the personnel but the inductive switch is not triggered, the single-chip microcomputer judges that the wristband is not correctly worn, and issues an alarm; when the inductive switch is triggered but the light sensor (2) senses the personnel, the single-chip microcomputer judges that it is a misoperation, and issues an alarm; when the inductive switch and the light sensor (2) simultaneously satisfy the sleep condition, the single-chip microcomputer controls the ESD wristband monitoring to enter the sleep state to prevent false alarm. The inductive switch is a travel switch or a Hall switch.

7. The ESD wrist strap monitoring device of claim 1, wherein: ​

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