Floor type radio frequency door

By designing a floor-standing RF door that isolates the outer shell and inner frame, and utilizing a roller shutter mechanism and synchronous belt drive system, the complete sealing and high-precision detection of the RF door are achieved. This solves the safety and detection accuracy problems of existing floor-standing RF doors and reduces maintenance costs.

CN223956079UActive Publication Date: 2026-02-27SHENZHEN KEHAN LOGISTICS SYST EQUIP CO LTD
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Patent Information

Application Number
CN202520076693.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-13
Publication Date
2026-02-27
Estimated Expiration
2035-01-13

AI Technical Summary

Technical Problem

Existing floor-standing RFID gates cannot completely prevent unauthorized items or personnel from entering or exiting in highly secure environments, and they also suffer from reduced detection accuracy and high maintenance costs.

Method used

A floor-standing radio frequency door consisting of an insulating outer shell and an inner frame was designed. The inner frame is composed of multiple beams and columns and is equipped with a roller shutter mechanism, a drive motor, transmission gears, and a synchronous belt to ensure that the radio frequency door is closed during non-working hours, forming a completely enclosed space, shielding external interference, improving detection accuracy, and reading item information through U-shaped antennas.

Benefits of technology

It improves the security and detection accuracy of the radio frequency gate, reduces the impact of external interference, lowers maintenance costs, and improves traffic efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223956079U_ABST
    Figure CN223956079U_ABST
Patent Text Reader

Abstract

The utility model provides a floor type radio frequency door, relates to the technical field of radio frequency identification, and provides the following scheme that the floor type radio frequency door comprises a radio frequency door body, the radio frequency door body comprises an isolation shell and an inner framework, the front face of the isolation shell and the front face of the inner framework are both in a U shape, and objects penetrate through the radio frequency door body and are detected; and roller shutter door mechanisms are fixedly mounted on the front side and the rear side of the top of the inner framework correspondingly, and the two roller shutter door mechanisms are used for closing the radio frequency door body. The two roller shutter door mechanisms are driven to move at the same time through cooperation of the driving motor, the driving gear, the transmission gear and the synchronous belt, the radio frequency door body is closed, the radio frequency door body falls down in the non-working time or the specific operation period, a completely-closed space is formed, higher safety is provided, and the service life of the radio frequency door body is prolonged. Moreover, the radio frequency door body forms a completely closed space during working, thereby facilitating the shielding of external interference, improving the detection precision of a radio frequency system, and reducing the possibility of trailing.
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Description

TECHNICAL FIELD

[0001] The utility model relates to radio frequency identification technology field especially relates to a floor type radio frequency door. BACKGROUND

[0002] At present, the warehouse will store the warehouse assets containing bar code, and the measurement assets containing bar code will be stored, taken out, and stored in the warehouse, and the work is all relied on manual use handheld terminal to carry out asset scanning, and there will be problems such as large workload, low work efficiency and inaccurate data, in order to solve the existing problems, the warehouse will adopt floor type radio frequency door, and the floor type radio frequency door is a safety or access control system, usually used for protecting sensitive areas or controlling the entry and exit of specific areas, it is composed of one or more radio frequency transmitting and receiving devices, which are installed around the door frame or on both sides of the passage, forming an invisible radio frequency field.

[0003] The existing floor type radio frequency door adopts no door or double open sliding door design, the no door design cannot completely prevent unauthorized articles or personnel from entering and exiting, especially in the environment requiring high security, and the open design may affect the radio frequency signal by the surrounding environment, resulting in the detection accuracy decline, the double open sliding door needs additional space to install the track, and when the door is opened, the passage width may be limited, the passing efficiency is affected, and the mechanical parts are more, and after long-term use, the fault may appear, the maintenance cost is increased, therefore we put forward a floor type radio frequency door to solve the problem. SUMMARY

[0004] In order to solve the above problems, the utility model provides a floor type radio frequency door to more exactly solve the above-mentioned problems.

[0005] The utility model discloses the following technical scheme realizes:

[0006] The utility model discloses a floor type radio frequency door, including radio frequency door body, the radio frequency door body includes insulating shell and inner framework, the front of insulating shell and inner framework all is U-shaped, the top of inner framework both sides all is fixedly installed with rolling shutter door mechanism, and two rolling shutter door mechanisms are used to close radio frequency door body, the insulating shell is fixedly covered in the outer side of inner framework, and the insulating shell is used for preventing electromagnetic signal leakage generated in the inside of radio frequency door body.

[0007] Further, the inner framework includes a plurality of beam columns, a left cavity and a right cavity are formed between the plurality of beam columns, and two adjacent beam columns are fixedly connected by bolts.

[0008] Further, the top of the inner framework is fixedly provided with a mounting plate, the top of the mounting plate is fixedly provided with a driving motor and two bases, the outer side of a rotating shaft rotatably provided on the base is fixedly provided with a transmission gear, the output shaft of the driving motor is fixedly provided with a driving gear, and the driving gear and the two transmission gears are sequentially meshed.

[0009] Further, the rolling shutter door mechanism comprises rotating rollers and a curtain door body, one end of the curtain door body is fixedly connected with a corresponding rotating roller, the curtain door body is arranged on the outer side of the corresponding rotating roller, and the outer side of the rotating roller and the corresponding rotating shaft is drivingly connected with the same synchronous belt.

[0010] Further, the bottom of the curtain door body is fixedly provided with a counterweight plate, the left and right sides of the counterweight plate are fixedly connected with sliding blocks, the left and right cavities are provided with sliding rails, and the sliding blocks are slidingly installed on the corresponding sliding rails.

[0011] Further, the top, the left cavity and the right cavity of the inner framework are provided with a plurality of antennas, the plurality of antennas are arranged in a U shape, and the antennas are fixedly connected with the corresponding beam columns.

[0012] Further, the left and right side inner walls of the inner framework are fixedly provided with a plurality of sealing plates, and the sealing plates are used for sealing the left cavity or the right cavity.

[0013] Further, the left and right side inner walls of the inner framework are fixedly provided with anti-collision plates, the anti-collision plates are arranged below the corresponding sealing plates, the bottom of the sealing plate is in close abutment with the top of the corresponding anti-collision plate, and the left and right sides of the inner framework are provided with a plurality of sensors.

[0014] The rolling shutter door mechanism comprises rotating rollers and a curtain door body, one end of the curtain door body is fixedly connected with a corresponding rotating roller, the curtain door body is arranged on the outer side of the corresponding rotating roller, and the outer side of the rotating roller and the corresponding rotating shaft is drivingly connected with the same synchronous belt.

[0015] The driving motor, the driving gear, the transmission gear and the synchronous belt are cooperated to simultaneously drive the two rolling shutter door mechanisms to move, the radio frequency door body is closed, the radio frequency door body falls during non-working time or specific operation, a completely closed space is formed, higher safety is provided, the radio frequency door body forms a completely closed space during working, external interference is shielded, the detection precision of the radio frequency system is improved, and the possibility of tailing is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a first perspective three-dimensional structure schematic view of the floor type radio frequency door;

[0017] Figure 2 It is a second perspective three-dimensional structure schematic view of the floor type radio frequency door;

[0018] Figure 3A first perspective view of the inner framework of the floor type radio frequency door is provided in the utility model.

[0019] Figure 4 A second perspective view of the inner framework of the floor type radio frequency door is provided in the utility model.

[0020] Figure 5 A perspective view of the driving motor of the floor type radio frequency door is provided in the utility model.

[0021] The reference signs are as follows:

[0022] In the drawing: 1, insulating shell; 2, inner framework; 3, roller shutter door mechanism; 4, beam column; 5, left cavity; 6, right cavity; 7, mounting plate; 8, driving motor; 9, base; 10, transmission gear; 11, driving gear; 12, synchronous belt; 13, counterweight plate; 14, slide rail; 15, antenna; 16, sealing plate; 17, anti-collision plate; 18, inductor; 19, curtain door body. DETAILED DESCRIPTION

[0023] In order to more clearly and completely illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings.

[0024] Please refer to Figures 1-5 The utility model provides a floor type radio frequency door, including radio frequency door body, radio frequency door body includes insulating shell 1 and inner framework 2, the front of insulating shell 1 and inner framework 2 all presents U shape, the top of inner framework 2 both sides are fixedly installed with roller shutter door mechanism 3, and two roller shutter door mechanisms 3 are used to close radio frequency door body, and insulating shell 1 is fixedly covered in the outside of inner framework 2, and insulating shell 1 is set as signal insulating sheet metal cover, and signal insulating sheet metal cover is made of conductive material such as steel plate, copper plate and aluminum plate, effectively prevents external electromagnetic signal from entering, simultaneously can prevent the electromagnetic signal generated inside from leaking out.

[0025] It needs to be explained that, through two roller shutter door mechanisms 3, radio frequency signal is ensured not to be influenced by external environment, and meanwhile, the detection system can be prevented from being triggered accidentally by external articles, improve detection accuracy, and the closed radio frequency door can prevent unauthorized person or article from entering or leaving together with the authorized person.

[0026] In the embodiment, the inner framework 2 includes a plurality of beam columns 4, the left cavity 5 and the right cavity 6 are formed between the plurality of beam columns 4, the adjacent two beam columns 4 are fixedly connected through bolts, and the inner framework 2 is built by the plurality of beam columns 4 fixed through bolts, which is convenient for assembling and transporting, reduces the weight of the whole device, and is beneficial to placing on a light load floor.

[0027] In the embodiment, the top of the inner framework 2 is fixedly provided with a mounting plate 7, the top of the mounting plate 7 is fixedly provided with a driving motor 8 and two bases 9, the bases 9 are rotatably provided with rotating shafts, the rotating shafts are fixedly provided with transmission gears 10 on the outer sides, the output shaft of the driving motor 8 is fixedly provided with a driving gear 11, the driving gear 11 and the two transmission gears 10 are sequentially meshed, the roller shutter door mechanism 3 comprises rotating rollers and curtain door bodies 19, the rotating rollers and the corresponding rotating shafts are drivingly connected with the same synchronous belt 12 on the outer sides, the two roller shutter door mechanisms 3 are simultaneously driven by the cooperation of the driving motor 8, the driving gear 11, the transmission gears 10 and the synchronous belt 12, the synchronization is ensured and the operation cost is reduced, the roller shutter door mechanism 3 comprises rotating rollers and curtain door bodies 19, one end of the curtain door body 19 is fixedly connected with the corresponding rotating roller, the curtain door body 19 is arranged on the outer side of the corresponding rotating roller, and the rotating rollers and the corresponding rotating shafts are drivingly connected with the same synchronous belt 12 on the outer sides.

[0028] It is to be supplemented that the driving motor 8 has a brake function and a variable frequency speed regulation function, when the curtain door body 19 reaches a specified position or detects an obstacle, the brake function can immediately stop the movement of the curtain door body 19, so as to avoid causing harm to personnel or articles, the brake function can help the curtain door body 19 to accurately stay at a preset position, whether in a completely open state or a closed state, the curtain door body 19 can be kept stable and immobile and shaking is reduced, the variable frequency speed regulation function enables the motor to smoothly transit between a static state and a working speed, reduces impact force and noise level, and can adjust the speed in real time according to sensor feedback, so that the roller shutter door mechanism 3 can more quickly respond to opening and closing requests and improve passing efficiency.

[0029] In the embodiment, the bottom of the curtain door body 19 is fixedly provided with a counterweight plate 13, the left and right sides of the counterweight plate 13 are fixedly connected with sliding blocks, the left cavity 5 and the right cavity 6 are provided with sliding rails 14, and the sliding blocks are slidingly installed on the corresponding sliding rails 14, the setting of the counterweight plate 13 can ensure that the curtain door body 19 quickly descends and can tension the curtain door body 19, so as to ensure flatness, and the cooperation of the sliding blocks and the sliding rails 14 can ensure that the curtain door body 19 does not shake in the process of lifting and descending.

[0030] In the embodiment, the top of the inner framework 2, the left cavity 5 and the right cavity 6 are provided with a plurality of antennas 15, the plurality of antennas 15 are arranged in a U shape, the antennas 15 are fixedly connected with the corresponding beam columns 4, and the antennas 15 are provided as RFID and used for reading electronic chip information of articles.

[0031] In the embodiment, a plurality of sealing plates 16 are fixedly installed on the inner walls of the left and right sides of the inner framework 2, and the sealing plates 16 are used for sealing the left cavity 5 or the right cavity 6.

[0032] In the embodiment, the inner frame 2 is provided with the anti-collision plates 17 on the left and right inner walls, the anti-collision plates 17 are arranged below the corresponding sealing plates 16, the bottom of the sealing plate 16 is in close abutment with the top of the corresponding anti-collision plate 17, the front and rear sides of the inner frame 2 are provided with a plurality of sensors 18, the front and rear ends of the anti-collision plate 17 are arranged in a slope, and the effective anti-collision plate 17 effectively prevents scratching and causes paint dropping of the articles; the sensor 18 is a photoelectric sensor, including an emitter and a receiver, the emitter emits one or more light rays, usually infrared rays or visible light, and the light rays are designed to pass through the area to be monitored and reach the receiver on the opposite side, for preventing the articles from staying in the descending space of the curtain door body 19.

[0033] In specific use, the articles are transported from one side of the radio frequency door body to the inside of the radio frequency door body, the two roller shutter door mechanisms 3 are driven to synchronously lower the curtain door body 19 through the cooperation of the driving motor 8, the driving gear 11, the transmission gear 10 and the synchronous belt 12, so as to close the whole radio frequency door body, and the plurality of antennas 15 operate to read the electronic chip information of the articles at multiple angles.

[0034] Of course, the utility model also can have other various implementation manners, based on the embodiment, other implementation manners obtained by the ordinary skilled in the art without any creative labor all belong to the range protected by the utility model.

Claims

1. A floor-standing radio frequency door, characterized in that, The device includes a radio frequency door body, which includes an insulating shell and an inner frame. The front of both the insulating shell and the inner frame are U-shaped. Roller shutter mechanisms are fixedly installed on the front and rear sides of the top of the inner frame. The two roller shutter mechanisms are used to close the radio frequency door body. The insulating shell is fixedly sleeved on the outside of the inner frame. The insulating shell is used to prevent electromagnetic signals generated inside the radio frequency door body from leaking. The internal frame includes multiple beams and columns, which together form a left cavity and a right cavity. Two adjacent beams and columns are fixedly connected by bolts.

2. A floor-standing radio frequency door according to claim 1, characterized in that, An mounting plate is fixedly installed on the top of the inner frame. A drive motor and two bases are fixedly installed on the top of the mounting plate. A rotating shaft is rotatably installed on the base. A transmission gear is fixedly sleeved on the outer side of the rotating shaft. A drive gear is fixedly sleeved on the output shaft of the drive motor. The drive gear and the two transmission gears mesh in sequence.

3. A floor-standing radio frequency door according to claim 1, characterized in that, The roller shutter door mechanism includes a rotating roller and a curtain body. One end of the curtain body is fixedly connected to the corresponding rotating roller. The curtain body is wrapped around the outside of the corresponding rotating roller. The rotating roller and the outside of the corresponding rotating shaft are connected by the same synchronous belt.

4. A floor-standing radio frequency door according to claim 3, characterized in that, A counterweight plate is fixedly installed at the bottom of the curtain door body. Slider blocks are fixedly connected to both the left and right sides of the counterweight plate. Slide rails are provided in both the left and right cavities, and the sliders are slidably installed on the corresponding slide rails.

5. A floor-standing radio frequency door according to claim 1, characterized in that, The top, left cavity, and right cavity of the internal frame are each equipped with several antennas, which are arranged in a U-shape and are fixedly connected to the corresponding beams and columns.

6. A floor-standing radio frequency door according to claim 1, characterized in that, Several sealing plates are fixedly installed on the inner walls of both the left and right sides of the internal skeleton. The sealing plates are used to close the left cavity or the right cavity.

7. A floor-standing radio frequency door according to claim 1, characterized in that, Anti-collision plates are fixedly installed on the inner walls of both the left and right sides of the inner frame. The anti-collision plates are located below the corresponding sealing plates, and the bottom of the sealing plates is in close contact with the top of the corresponding anti-collision plates. Several sensors are provided on both the front and rear sides of the inner frame.