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Barrier Gate, also known as car stopper, was originally introduced from abroad. The English name is Barrier Gate. It is a channel entrance and exit management equipment that restricts motor vehicles on roads. It is now widely used in highway toll stations, parking lots, communities, enterprises and institutions. At the door, to manage the entry and exit of vehicles. The electric barrier can be realized by remote control alone, and can also be automatically managed by the parking lot management system (ie IC card management system). According to the place where the barriers are used, the gate poles can be divided into straight poles, 90 degree curved poles, 180 degree folded poles and fences.
The barrier is composed of a gearbox, a motor, (or hydraulically) transmission mechanism, a balancing device, a chassis, a brake rod bracket, and a brake rod.
With the continuous development of the automobile industry and the ever-increasing number of cars, the demand for barriers is also increasing, and higher requirements are put forward for the performance of barriers. Such as the integrated movement of the road gate, clutch device, intelligent anti-lift function, return device in case of resistance, heating function (to ensure use in an environment of minus 40 degrees), ventilation cooling system (to reduce the temperature of the motor in time), automatic clutch device, anti-collision De-rod device, etc. The rise and fall speed of the rod ranges from 0.8 seconds to 6 seconds. The pole length is 0-7 meters, depending on the actual channel width on site.
Barriers have been increasingly developed to high-tech to meet market demand for products, and become key lane equipment in the management of parking systems.
After the barrier is powered off due to various reasons, the brake lever can be manually raised or lowered through the distributed clutch switch key to ensure that the channel control function of the vehicle can be implemented normally even in the event of a power failure.
In the process of opening or closing the gate, the electric control part of the gate automatically records the running time of the motor. When the running time of the motor exceeds a predetermined value, the output signal controls the motor to stop running to prevent the gate lever from running due to the failure of the photoelectric detection device Exceeding the limit position can cause smashing of the vehicle or damage to the barrier, which improves the reliability of system operation.
During the operation of the barrier gate, no matter whether the gate lever is in the process of opening, closing or stopping, if the gate opening signal is output, the gate will immediately execute the opening (upward) action to prevent the vehicle from being smashed due to various reasons. Phenomenon.
By configuring a dedicated triple electronic switch and remote control electronic switch, the switch and stop of the barrier can be controlled remotely and remotely.
The electrical control part of the barrier can be equipped with a standard R485 interface, and the switch and stop of the barrier can be controlled by a remote computer or other equipment to realize remote automatic management.
After installing the temperature control device of the barrier, the electronic control part of the barrier automatically monitors the internal temperature of the barrier. When the temperature exceeds the predetermined temperature range, it automatically outputs a signal to control the temperature control device to start heating or ventilation, which improves the operation of the entire barrier. Reliability.
After the vehicle detector is installed, it can realize the automatic closing of the barrier after the vehicle passes through the barrier, which improves the automation of the passage control system of the vehicle, and can ensure that the vehicle stops under the brake lever, and the brake lever never falls, which improves the passage The degree of security of management.
The standard barrier straight rod has a series of luminous rods. The brake lever illuminates to indicate the passage, which plays a role of warning and decoration.
According to the performance of the control part, it is divided into electromechanical barriers, digital barriers, and smart barriers. The smart barriers have LED display and voice broadcast functions.
According to the gate, it is divided into: fence gate, straight pole gate, curved arm pole gate
According to the landing speed, it is divided into: fast barriers, medium speed barriers, and slow speed barriers
According to the installation direction, it is divided into: left barrier gate, right barrier gate
The intelligent automatic barrier is installed at the entrance and exit of the parking lot, and the distance from the control machine is not less than 3 meters. It is composed of a box, a motor, a clutch, a mechanical transmission part, a railing, an electronic control, etc. It is a mechatronic product integrating magnetic, electrical and mechanical control.
Cabinet: After pickling, phosphating, electrostatic spraying polyester powder, enter the 295℃ high temperature drying room, and then undergo surface treatment processes such as hot melting for more than two hours to obtain excellent weather resistance, scrubbing resistance, UV resistance, and no fading Performance.
Integrated movement: The movement integrates four major parts such as worm gear reducer, torque conversion mechanism, spindle support, and main bracket. The use of 45# steel integral precision casting is formed by a large-scale CNC machining center at one time, which greatly reduces the number of internal parts and greatly improves the overall reliability of the equipment and the consistency of batch quality. This process is unique among similar products, creating a precedent for mass production of high-quality, high-priced barrier gates.
Frequency conversion motor: NdFeB rare earth permanent magnet synchronous frequency conversion speed control self-encoding motor. The speed of the motor can accurately follow the change of the input frequency, and the torque is constant when the speed changes greatly. When the power and speed are the same, compared with other commonly used motors, its starting impulse current and volume are the smallest, but its torque is 2 to 3 times that of other motors, and when the motor is locked for a long time, the working current of the motor is not Will rise. Therefore, the lifting of the gate rod can be very stable, and the time-consuming opening (or closing) of the gate can be accurately controlled. The theoretical accuracy reaches 1/1000 second, and the motor will never be damaged under any circumstances (excluding overvoltage usage) .
Stroke control system: The unique mechanism composed of the encoding positioning system and the above-mentioned self-encoding variable frequency motor eliminates all the existing mechanical, photoelectric, electromagnetic and other travel switches, and realizes the automatic learning, memory and repair of the stroke. There are no parts that need to be adjusted, maintained, and may be damaged.
Moment balance mechanism: A unique balance mechanism is used to easily balance a horizontal railing with a length of 1-6 meters or a curved arm railing with joints using only one spring.
Electrical control unit: a highly reliable, highly integrated control system with a microchip as the core. In addition to the integrated infrared code controller, airbag sensor controller, torque sensor, infrared on-beam controller, ground sensor controller, all solid-state motor drive controller, gate motion position controller, power supply system and tuner.
Optional devices: pressure radio wave anti-smashing device, remote control device, infrared detection and protection device or ground sensing detection and protection device, ID/IC card intelligent parking lot management system and other configurations.
The gate control board controls the motor to rotate forward and backward according to the operating instructions; the motor drives the input shaft of the reducer to rotate; the reducer is on the output shaft of the reducer and drives the rocker arm to rotate up and down 180° in the second half of the circle; the rocker arm of the reducer passes through the lower joint bearing , The connecting rod and the upper joint bearing drive the spindle drive arm to move up and down within the range of 90° in the second half of the circle; the spindle drive arm drives the gate rod connected with the spindle to move up and down within the range of 90° horizontally and vertically.
If the barrier is manually controlled by visual inspection, the lifting height of the barrier can be determined; if it is an automatic barrier, then the limit of the automatic barrier rod to the vertical position is the vertical position magnet on the cam sensing the vertical position on the bracket It is controlled by a hall sensor; similarly, the horizontal position is controlled by a horizontal magnet induction horizontal hall sensor.
When purchasing barriers, you can choose according to your needs, and choose according to the speed of falling: Express barriers are suitable for road management, such as expressway toll stations. Medium-speed barriers are suitable for civilian use, such as residential quarters, smart buildings, parking lots, etc. Slow barriers are mainly suitable for industrial fields. According to the selection of the barrier gate control method: the barrier gate has three modes: manual control, remote control, and communication control (access control machine control), which should be selected according to actual needs.
The barrier is an important part of the parking lot management system, and its stability affects the operation of the entire system. Once the barrier fails, it will affect the operation of the entire parking lot. When purchasing a barrier, you must compare prices, performance, quality, and quality. Here are some suggestions on how to purchase barriers for your reference.
Determine the installation location of the barrier according to the customer’s requirements, and pay attention to the following requirements:
Lay the power cord from the power source into the barrier box. The specification of the power cord is RVV3×1.5mm² or larger.
Align the stop rod clamp plate with the hole position of the stop rod rod, insert a bolt with a diameter of 12mm, and then fix the stop rod on the stop rod fixing plate of the barrier box.
With the continuous development of the automobile industry and the increasing number of cars, the demand for barriers is also increasing. The barriers occupies a very important position in the parking lot system. Once the barriers fail to operate, the parking system is basically paralyzed. Therefore, in order to ensure the normal operation of the parking lot system, its maintenance is particularly important.
The current barrier gates on the market are made of 304 stainless steel, which is rust-proof and durable. The cleaning frequency can be set as once a week: the main purpose is to clean the exterior, remove rust spots, polish the exterior of the chassis with a soft cloth and fossil powder, and apply anti-rust oil. Do not wipe the newly applied anti-rust oil by hand, etc. 3- It can be touched by hand after 5 hours of natural drying, otherwise it will destroy the anti-rust effect of the surface.
According to the previous usage, check whether there is a problem with the electronic control part. If there is no problem, check whether the power supply is exposed and bandaged, the wires are arranged, and whether the wires are aging, replace them, refer to the manual, and check the parameters of each part. If there is a problem, follow the path to find the source of the problem and replace individual electronic components.
As the heart of the machine, the movement of the barrier must be well maintained. The maintenance frequency is generally once a month: first open the upper cover and cut off the power, clean the surface dust, clean the transmission part first, and then add butter or high-concentration engine oil for lubrication. Check whether the fasteners are loose, tighten the fasteners, check the wear of the wearing parts, if you find that the wear level exceeds the specified parts, replace them in time, check whether the positioning arm and the positioning plate have a gap of more than 3mm If there is, replace it in time. Add butter or oil to the solenoid valve core to reduce resistance and get lubricated when the solenoid valve moves left and right, but not too much, or it will be counterproductive.
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