CN215524682U - Speed difference automatic controller early warning type device - Google Patents

Speed difference automatic controller early warning type device Download PDF

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Publication number
CN215524682U
CN215524682U CN202121360002.3U CN202121360002U CN215524682U CN 215524682 U CN215524682 U CN 215524682U CN 202121360002 U CN202121360002 U CN 202121360002U CN 215524682 U CN215524682 U CN 215524682U
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China
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module
resistor
automatic controller
speed difference
early warning
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CN202121360002.3U
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李伟
杜九江
刘武川
张路佳
邓涛
刘磊
陈伟
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JIAXING HENGGUANG ELECTRIC POWER CONSTRUCTION CO Ltd
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JIAXING HENGGUANG ELECTRIC POWER CONSTRUCTION CO Ltd
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Abstract

The utility model discloses a speed difference automatic controller early warning type device, which overcomes the problem that the traditional speed difference automatic controller in the prior art does not have an early warning function, and comprises a speed difference automatic controller body and an early warning sensing device, wherein the speed difference automatic controller body comprises a speed difference automatic controller hook and a safety belt ring, the early warning device is respectively and electrically connected with the speed difference automatic controller hook and the safety belt ring, the early warning sensing device comprises a control module, a power supply module, a Bluetooth module, a terminal module, an alarm module and a sensor module, and the power supply module, the terminal module, the Bluetooth module and the alarm module are all connected with the control module. The method can effectively prompt the fastening condition between the speed difference automatic controller and each insurance, can perform real-time early warning, and reduces the probability of safety accidents.

Description

Speed difference automatic controller early warning type device
Technical Field
The utility model relates to the technical field of differential automatic controllers, in particular to a differential automatic controller early warning type device.
Background
The high-altitude operation safety belt used for high-altitude operation is common protective equipment for protecting the safety of operating personnel, and has the advantages of high strength, durability, simplicity, portability and the like. However, the safety belt is required to be removed when the safety belt is moved frequently in the operation process, the safety belt cannot guarantee the personal safety, and the speed difference automatic controller is used for guaranteeing the safety of operators. The speed difference automatic controller is also called a speed difference falling protector and is used for preventing personnel from accidentally falling during high-altitude operation, so that the personnel safety can be quickly and effectively guaranteed even if the personnel accidentally fall, and the falling personnel can be quickly braked and locked within a limited distance to protect the life safety of the personnel. The speed difference automatic controller effectively controls the human body to be out of control and fall down through the anti-ratchet double-disc brake system; the rope can be pulled out for use at will during operation. Normal operation is not affected under normal upper and lower conditions (less than 2 meters per second); the safety belt is generally matched with a high-altitude operation safety belt in the power industry.
However, in the practical use of the speed difference automatic controller, human factors cannot be eliminated, and safety accidents caused by the human factors can be caused, because the safety belt is mistakenly hooked into other positions, whether the safety belt is correctly hooked into the ring is not carefully checked, or the speed difference automatic controller is not tied in the moving process, the moving operation and other violation behaviors are started, and great safety risks and hidden dangers are increased for high-altitude operation. The operator is an irrecoverable accident caused by the fact that the speed difference automatic controller is tied through negligence, or the ground personnel often cannot know the condition of the safety belt for overhead operation, so that the condition that the operator breaks rules and works is easily formed, and the operation risk is improved. The existing speed difference automatic controller does not have the function of early warning.
For example, the chinese patent office 2020, 12 and 11 discloses a utility model named as an electric power safety thing link speed difference automatic controller, and its publication number is CN 212118807U. The utility model discloses an including the speed difference automatic controller body, the bottom mounting of speed difference automatic controller body is equipped with the stay cord, the fixed cover of bottom outer wall of stay cord has connect the buckle, the couple has been cup jointed to the bottom of stay cord, both sides all seted up flutedly about the surface of speed difference automatic controller body, the inner wall of recess is equipped with the RFID label. The speed difference automatic controller is a simple wireless system which consists of an interrogator and a plurality of transponders through RFID tags, each tag consists of a coupling element and a chip, each tag is provided with an electronic code which only expands a first entry and is attached to an object to mark a target object, radio frequency information is transmitted to a reader through an antenna, the reader is equipment for reading the information, the real-time monitoring is used for detecting whether the object has faults and the like, and timely reporting and checking are carried out so as to avoid personnel safety problems caused by tool problems. However, the speed difference automatic controller cannot be warned in use, and the fastening condition between the speed difference automatic controller and each insurance cannot be prompted for users.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the traditional speed difference automatic controller in the prior art does not have an early warning function, and provides an early warning type device of the speed difference automatic controller, which can effectively prompt the fastening condition between the speed difference automatic controller and each safety, can perform real-time early warning and reduce the probability of safety accidents.
In order to achieve the purpose, the utility model adopts the following technical scheme: the speed difference automatic controller comprises a speed difference automatic controller body and an early warning sensing device, wherein the speed difference automatic controller body comprises a speed difference automatic controller hook and a safety belt ring, the early warning sensing device is respectively electrically connected with the speed difference automatic controller hook and the safety belt ring, the early warning sensing device comprises a control module, a power supply module, a Bluetooth module, a terminal module, an alarm module and a sensor module, and the power supply module, the terminal module, the Bluetooth module and the alarm module are all connected with the control module. The power supply module is used for providing a power supply for the device, and the power supply module is preferably a No. 7 lithium battery with 1.2V three sections; the Bluetooth module is used for transmitting the information of the control module to the terminal module, so that ground workers can control the real-time situation of high-altitude workers through the terminal module, and the reduced management risk is reached. Whether the speed difference automatic controller and the safety belt are reliably connected or not is detected through the sensor module. The alarm module can effectively prompt the fastening condition between the speed difference automatic controller and each insurance, can perform real-time early warning, and reduces the probability of safety accidents. When the device is used, the speed difference automatic controller early warning type device is installed in the speed difference automatic controller, the speed difference automatic controller is tied up when an operator reaches a specified position for operation by routing the speed difference automatic controller early warning type device to the hook through a steel wire rope, the speed difference automatic controller hook is contacted with the safety belt ring or the sensor module detects that the speed difference automatic controller hook is connected with the safety belt ring, the alarm module sends out a response, and the alarm module indicates the operator to tie the speed difference automatic controller; when the connection is not firm, the alarm module of the device provides effective warning in real time.
Preferably, the sensor module comprises an infrared sensor and a tension sensor, the infrared sensor is connected with the control module, and the tension sensor is connected with the Bluetooth module. When the device is used, the infrared sensor can detect whether the speed difference automatic controller hook is connected with the safety belt ring, and the tension sensor can detect whether the tension of the speed difference automatic controller is qualified. The Bluetooth module is used for information transmission, is connected with the tension sensor and can transmit data to the ground.
Preferably, the tension sensor comprises an MCU processing module, a tension collecting module, a wireless transmission module, a battery monitoring module and an RTC module, the tension collecting module, the wireless transmission module, the battery monitoring module and the RTC module are all connected with the MCU processing module, and the wireless transmission module is connected with the Bluetooth module. The tension sensor is installed in the speed difference automatic controller and connected with an internal tail steel wire rope to achieve the force measuring effect, and meanwhile, the wireless transmission module is connected to a system Bluetooth module interface to transmit data for early warning.
Preferably, the control module comprises an MCU, a resistor R24, a detection interface CON1, a resistor R27 and a resistor R28, wherein one end of the resistor R24 is connected to a P3.4 output end of the MCU, the other end of the resistor R24 is connected to a detection interface CON1, and a P3.5 output end of the MCU is connected to the infrared sensor; one end of the resistor R27 is connected with the P3.1 output end of the MCU, and the other end of the resistor R27 is connected with the Bluetooth module; one end of the resistor R28 is connected with the P3.0 output end of the MCU, and the other end of the resistor R28 is connected with the Bluetooth module. The detection interface CON1 is preferably a 5.08mm detection interface, the MCU is preferably an STC15F102W chip, and the resistor R24 is preferably 4.7K. The resistor R24 is a pull-up resistor, so that the P3.4 pin of the MCU is at a high level, and when the MCU detects that the P3.4 pin is at the high level, the P3.2 pin outputs the high level; pin P3.3 is low. CON1 is the detection interface, connects the back (two lines connect respectively in two interfaces of detection interface) with the wire with the detection interface for P3.4 pin is the low level, and after MCU detected, P3.2 pin output low level, and P3.3 pin output high level is three times, interval 1S.
Preferably, the alarm module comprises a light alarm module and a voice alarm module, and the light alarm module and the voice alarm module are both connected with the control module. The control module sends out an instruction for controlling the alarm module to work, and the light alarm module and the voice alarm module in the alarm module make corresponding responses according to the instruction.
Preferably, the light alarm module comprises an LED lamp, and the LED lamp comprises a first light source installed on the front side of the speed difference automatic controller body and a second light source installed on the back side of the speed difference automatic controller body. The front surface and the back surface of the speed difference self-controller body are both provided with light sources, so that the speed difference self-controller body is convenient to watch, and the condition that the light source prompt cannot be seen when the speed difference self-controller body is positioned on the other surface two of the speed difference self-controller body is avoided.
Preferably, the first light source and the second light source each include 9 light emitting diodes and a triode, the anode of each light emitting diode is connected with one end of a resistor, the other end of the resistor is connected with a power supply, the cathode of each light emitting diode is connected with the collector of the triode, the emitter of the triode is grounded, and the base of the triode is connected with one end of each of the two resistors. The resistor connected in series on the light emitting diode plays a role in limiting current and protecting the light emitting diode.
Preferably, the voice alarm module comprises a buzzer, and the buzzer is mounted on the speed difference automatic controller body. The buzzer is used for making a sound when the speed difference automatic controller hook and the safety belt ring are firmly connected to prompt an operator to quickly check that the automatic controller meets the requirements.
Preferably, the voice alarm module comprises a resistor R23, a buzzer H, a triode Q3, a resistor R25 and a resistor R26, one end of the resistor R23 is connected with a power supply, the other end of the resistor R23 is connected with the buzzer H, the buzzer H is connected with a collector of the triode Q3, a base of the triode Q3 is connected with one end of the resistor R25, the other end of the resistor R25 is connected with the control module, one end of the resistor R26 is connected with a base of the triode Q3, the other end of the resistor R26 is grounded, and an emitter of the triode Q3 is grounded. The resistor R25 is preferably 1K, the resistor R26 is preferably 10K, the resistor R23 is preferably 100 Ω, and the transistor Q3 is preferably an NPN transistor. The other end of the resistor R25 is connected with the P3.3 port of the MCU. When the MCU detects that the P3.4 pin is at a high level, the P3.2 pin outputs a high level, the P3.3 pin outputs a low level, and the buzzer H does not sound. When the MCU detects that the P3.4 pin is at a low level, the P3.3 pin outputs a high level three times at an interval of 1S, and the buzzer sounds three times.
Preferably, the Bluetooth module further comprises a display module, the display module comprises a display screen, and the display module is in wireless connection with the Bluetooth module. The display module receives the data of the control module through the Bluetooth module and is used for displaying the current state of the speed difference automatic controller, so that ground personnel can also control the real-time situation of the operator, and the management risk is reduced.
Therefore, the utility model has the following beneficial effects: 1. the fastening condition between the speed difference automatic controller and each insurance can be effectively prompted, real-time early warning can be carried out, and the probability of safety accidents is reduced; 2. the safety risk of the operator caused by subjective factors can be solved, and the operator is prompted to prevent misoperation; 3. ground personnel can also control the real-time situation of high-altitude operation personnel, the management risk that reduces.
Drawings
FIG. 1 is a schematic diagram of the system architecture of the present invention;
FIG. 2 is a schematic diagram of the circuit structure of the control module of the present invention;
FIG. 3 is a schematic circuit diagram of a first light source according to the present invention;
FIG. 4 is a schematic circuit diagram of a second light source according to the present invention;
FIG. 5 is a schematic circuit diagram of the voice alarm module of the present invention;
FIG. 6 is a schematic diagram of the system configuration of the tension sensor of the present invention;
in the figure: 1. a control module; 2. a power supply module; 3. a Bluetooth module; 4. a terminal module; 5. an alarm module; 6. a light alarm module; 7. a voice alarm module; 8. a display module; 9. a sensor module; 10. an MCU processing module; 11. a tension collection module; 12. a wireless transmission module; 13. a battery monitoring module; 14. an RTC module; 15. an infrared sensor; 16. a tension sensor.
Detailed Description
The utility model is described in further detail below with reference to the following detailed description and accompanying drawings:
this embodiment is a speed difference automatic controller early warning formula device, as shown in fig. 1, including control module 1, power module 2, alarm module 5, display module 8, WIF module 3, sensor module 9 and terminal module 4, sensor module includes infrared sensor 15 and force sensor 16, power module, sensor module, bluetooth module and alarm module all are connected with control module, terminal module and display module all are connected with the WIF module, infrared sensor is connected with control module, force sensor is connected with bluetooth module. The wireless communication distance of the tension sensor is 200 meters, the protection grade is IP67, and the measurement precision is less than or equal to 0.5%.
The alarm module comprises a light alarm module and a voice alarm module, and the light alarm module and the voice alarm module are both connected with the control module. The power supply module is used for providing a power supply for the device, and the power supply module is preferably a No. 7 lithium battery with 1.2V three sections; the Bluetooth module is used for transmitting the information of the control module to the terminal module, so that ground workers can control the real-time situation of high-altitude workers through the terminal module, and the management risk is reduced. The alarm module can effectively prompt the fastening condition between the speed difference automatic controller and each insurance, can perform real-time early warning, and reduces the probability of safety accidents. The alarm module comprises a light alarm module 6 and a voice alarm module 7, and the light alarm module and the voice alarm module are both connected with the control module. The control module sends out an instruction for controlling the alarm module to work, and the light alarm module and the voice alarm module in the alarm module make corresponding responses according to the instruction.
When the speed difference automatic controller early warning device is used, the speed difference automatic controller early warning device is installed in a speed difference automatic controller, the speed difference automatic controller is connected with a safety belt ring through a wire rope, when an operator reaches a specified position for operation, the speed difference automatic controller is tied, the speed difference automatic controller hook is contacted with the safety belt ring or an infrared sensor detects that the speed difference automatic controller hook is connected with the safety belt ring, a voice alarm module sends out 'beep and beep' when a tension sensor detects that the tension is qualified, the connection is firm, meanwhile, a light source is not bright, and the operator is indicated to ground personnel to tie up the qualified and effective speed difference automatic controller; the voice alarm device does not make sound when the connection is not firm or the speed difference automatic controller is unqualified, and meanwhile, the light source is high in brightness, so that effective warning is provided in real time. The Bluetooth module is used for information transmission and can act on and transmit data to the ground.
As shown in fig. 2, the control module includes an MCU, a resistor R24, a detection interface CON1, a resistor R27, and a resistor R28, one end of the resistor R24 is connected to a P3.4 output terminal of the MCU, the other end of the resistor R24 is connected to a detection interface CON1, and a P3.5 output terminal of the MCU is connected to the infrared sensor; one end of the resistor R27 is connected with the P3.1 output end of the MCU, and the other end of the resistor R27 is connected with the Bluetooth module; one end of the resistor R28 is connected with the P3.0 output end of the MCU, and the other end of the resistor R28 is connected with the Bluetooth module. The detection interface CON1 is a detection interface of 5.08mm, the MCU is an STC15F102W chip, and the resistor R24 is 4.7K. The resistor R24 is a pull-up resistor, so that the P3.4 pin of the MCU is at a high level, and when the MCU detects that the P3.4 pin is at the high level, the P3.2 pin outputs the high level; pin P3.3 is low. CON1 is the detection interface, connects the back (two lines connect respectively in two interfaces of detection interface) with the wire with the detection interface for P3.4 pin is the low level, and after MCU detected, P3.2 pin output low level, and P3.3 pin output high level is three times, interval 1S.
As shown in fig. 3, the first light source includes a diode LED-R1, a diode LED-R2, a diode LED-R3, a diode LED-R4, a diode LED-R5, a diode LED-R6, a diode LED-R7, a diode LED-R8, a diode LED-R9, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R6, a resistor R7, a resistor R8, a resistor R9, a resistor R19, an R21, and a transistor Q1; the negative electrodes of the diodes LED-R1, LED-R2, LED-R3, LED-R4, LED-R5, LED-R6, LED-R7, LED-R8 and LED-R9 are all connected with the collector of the triode Q1, the positive electrode of the diode LED-R1 is connected with one end of a resistor R1, the positive electrode of the diode LED-R2 is connected with one end of a resistor R2, the positive electrode of the diode LED-R3 is connected with one end of a resistor R3, the positive electrode of the diode LED-R4 is connected with one end of a resistor R4, the positive electrode of the diode LED-R5 is connected with one end of a resistor R5, the positive electrode of the diode LED-R6 is connected with one end of a resistor R6, the positive electrode of the diode LED-R7 is connected with one end of a resistor R7, the positive electrode of the diode LED-R8 is connected with one end of a resistor R8, the anode of the diode LED-R9 is connected with one end of a resistor R9, the other ends of the resistor R1-the resistor R9 are connected with a power supply, the emitter of the triode Q1 is grounded, the base of the triode Q1 is connected with one end of a resistor R19, and the other end of the resistor R19 is connected with a pin P3.2 of the MCU; one end of the resistor R21 is connected with the base of the triode Q1, and the other end is grounded.
The LED-R-LED-R9 are all light emitting diodes, the resistors R1-R9 and R19 are all 1K, the resistor R21 is 10K, and the triode Q1 is an NPN triode. When the MCU detects that the P3.4 pin is at a high level, the P3.2 pin outputs a high level, and the light emitting diode is always on. When the MCU detects that the P3.4 pin is at a low level, the P3.2 pin outputs a low level, and the light emitting diode is not bright.
As shown in fig. 4, the second light source includes a diode LED-R10, a diode LED-R11, a diode LED-R12, a diode LED-R13, a diode LED-R14, a diode LED-R15, a diode LED-R16, a diode LED-R17, a diode LED-R18, a resistor R10, a resistor R11, a resistor R12, a resistor R13, a resistor R14, a resistor R15, a resistor R16, a resistor R17, a resistor R18, a resistor R20, an R22, and a transistor Q2; the negative electrodes of the diodes LED-R10, LED-R11, LED-R12, LED-R13, LED-R14, LED-R15, LED-R16, LED-R17 and LED-R18 are all connected with the collector of the triode Q2, the positive electrode of the diode LED-R10 is connected with one end of a resistor R10, the positive electrode of the diode LED-R11 is connected with one end of a resistor R11, the positive electrode of the diode LED-R12 is connected with one end of a resistor R12, the positive electrode of the diode LED-R13 is connected with one end of a resistor R13, the positive electrode of the diode LED-R14 is connected with one end of a resistor R14, the positive electrode of the diode LED-R15 is connected with one end of a resistor R15, the positive electrode of the diode LED-R16 is connected with one end of a resistor R16, the positive electrode of the diode LED-R17 is connected with one end of a resistor R17, the anode of the diode LED-R18 is connected with one end of a resistor R18, the other ends of the resistor R10-the resistor R18 are connected with a power supply, the emitter of the triode Q2 is grounded, the base of the triode Q2 is connected with one end of a resistor R20, and the other end of the resistor R20 is connected with a pin P3.2 of the MCU; one end of the resistor R22 is connected with the base of the triode Q2, and the other end is grounded.
The LED-R10-LED-R18 are all light emitting diodes, the resistors R10-R18 and the resistor R20 are all 1K, the resistor R22 is 10K, and the triode Q2 is an NPN triode. When the MCU detects that the P3.4 pin is at a high level, the P3.2 pin outputs a high level, and the light emitting diode is always on. When the MCU detects that the P3.4 pin is at a low level, the P3.2 pin outputs a low level, and the light emitting diode is not bright.
As shown in fig. 5, the voice alarm module includes a resistor R23, a buzzer H, a transistor Q3, a resistor R25 and a resistor R26, one end of the resistor R23 is connected to the power supply, the other end of the resistor R23 is connected to the buzzer H, the buzzer H is connected to the collector of the transistor Q3, the base of the transistor Q3 is connected to one end of the resistor R25, the other end of the resistor R25 is connected to the P3.3 pin of the MCU, one end of the resistor R26 is connected to the base of the transistor Q3, the other end of the resistor R26 is grounded, and the emitter of the transistor Q3 is grounded. The resistor R25 is 1K, the resistor R26 is 10K, the resistor R23 is 100 omega, and the triode Q3 is an NPN triode. When the MCU detects that the P3.4 pin is at a high level, the P3.2 pin outputs a low level, and the buzzer H does not sound. When the MCU detects that the P3.4 pin is at a low level, the P3.2 pin outputs a high level three times at an interval of 1S, and the buzzer sounds three times.
As shown in fig. 6, the tension sensor includes an MCU processing module 10, a tension collecting module 11, a wireless transmission module 12, a battery monitoring module 13 and an RTC module 14, the tension collecting module 11, the wireless transmission module 12, the battery monitoring module 13 and the RTC module 14 are all connected to the MCU processing module 10, and the wireless transmission module 12 is connected to the bluetooth module 13. The tension sensor is installed in the speed difference automatic controller and connected with an internal tail steel wire rope to achieve the force measuring effect, and meanwhile, the wireless transmission module is connected to a system Bluetooth module interface to transmit data for early warning.
The above-described embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and other variations and modifications may be made without departing from the spirit of the utility model as set forth in the claims.

Claims (10)

1. The utility model provides a speed difference automatic controller early warning formula device, its characterized in that, includes speed difference automatic controller body and early warning induction system, speed difference automatic controller body includes speed difference automatic controller hook and safety belt ring, early warning induction system is connected with speed difference automatic controller hook and safety belt ring electricity respectively, early warning induction system includes control module (1), power module (2), bluetooth module (3), terminal module (4), alarm module (5) and sensor module (9), power module (2), terminal module (4), bluetooth module (3) and alarm module (5) all are connected with control module (1).
2. A speed differential automatic controller early warning type device according to claim 1, wherein said sensor module (9) comprises an infrared sensor (15) and a tension sensor (16), said infrared sensor (15) is connected with the control module (1), said tension sensor (16) is connected with the bluetooth module (3).
3. The device of claim 2, wherein the tension sensor (16) comprises an MCU processing module (10), a tension collection module (11), a wireless transmission module (12), a battery monitoring module (13) and an RTC module (14), the tension collection module (11), the wireless transmission module (12), the battery monitoring module (13) and the RTC module (14) are all connected with the MCU processing module (10), and the wireless transmission module (12) is connected with the Bluetooth module (3).
4. The early warning device of the speed difference automatic controller according to claim 1, wherein the control module (1) comprises an MCU, a resistor R24, a detection interface CON1, a resistor R27 and a resistor R28, one end of the resistor R24 is connected with the P3.4 output end of the MCU, the other end of the resistor R24 is connected with a detection interface CON1, and the P3.5 output end of the MCU is connected with the infrared sensor (15); one end of the resistor R27 is connected with the P3.1 output end of the MCU, and the other end of the resistor R27 is connected with the Bluetooth module (3); one end of the resistor R28 is connected with the P3.0 output end of the MCU, and the other end of the resistor R28 is connected with the Bluetooth module (3).
5. A speed difference automatic controller early warning type device according to claim 1, characterized in that the alarm module (5) comprises a light alarm module (6) and a voice alarm module (7), and the light alarm module (6) and the voice alarm module (7) are both connected with the control module (1).
6. The speed automatic controller early warning type device according to claim 5, wherein the light alarm module (6) comprises an LED lamp, and the LED lamp comprises a first light source installed on the front side of the speed automatic controller body and a second light source installed on the back side of the speed automatic controller body.
7. A differential speed automatic controller early warning type device according to claim 6, wherein said first light source and said second light source each comprise 9 light emitting diodes and a triode, the anode of each light emitting diode is connected to one end of a resistor, the other end of the resistor is connected to the power supply, the cathode of each light emitting diode is connected to the collector of the triode, the emitter of the triode is grounded, and the base of the triode is connected to one end of two resistors.
8. The speed difference automatic controller early warning type device according to claim 5, wherein the voice alarm module (7) comprises a buzzer, and the buzzer is installed on the speed difference automatic controller body.
9. A speed differential automatic controller early warning type device as claimed in claim 8, wherein said voice alarm module (7) comprises a resistor R23, a buzzer H, a transistor Q3, a resistor R25 and a resistor R26, one end of said resistor R23 is connected to the power supply, the other end is connected to the buzzer H, the buzzer H is connected to the collector of the transistor Q3, the base of the transistor Q3 is connected to one end of the resistor R25, the other end of the resistor R25 is connected to the control module, one end of the resistor R26 is connected to the base of the transistor Q3, the other end of the resistor R26 is grounded, and the emitter of the transistor Q3 is grounded.
10. A speed differential automatic controller early warning type device according to claim 1, further comprising a display module (8), wherein the display module (8) comprises a display screen, and the display module (8) is wirelessly connected with the bluetooth module (3).
CN202121360002.3U 2021-06-18 2021-06-18 Speed difference automatic controller early warning type device Active CN215524682U (en)

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Application Number Priority Date Filing Date Title
CN202121360002.3U CN215524682U (en) 2021-06-18 2021-06-18 Speed difference automatic controller early warning type device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121360002.3U CN215524682U (en) 2021-06-18 2021-06-18 Speed difference automatic controller early warning type device

Publications (1)

Publication Number Publication Date
CN215524682U true CN215524682U (en) 2022-01-14

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Application Number Title Priority Date Filing Date
CN202121360002.3U Active CN215524682U (en) 2021-06-18 2021-06-18 Speed difference automatic controller early warning type device

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CN (1) CN215524682U (en)

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