CN220191056U

CN220191056U - Elevator moving signal coverage system

Info

Publication number: CN220191056U
Application number: CN202321693939.1U
Authority: CN
Inventors: 勾海燕
Original assignee: Sichuan Zhongcheng Xinghua Technology Co ltd
Current assignee: Sichuan Zhongcheng Xinghua Technology Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-15
Anticipated expiration: 2033-06-30

Abstract

The utility model relates to the technical field of wireless mobile communication, in particular to an elevator mobile signal coverage system which comprises an access antenna, a near-end device, a power supply system, a central control device, an elevator trailing cable, a far-end device and a coverage antenna. Thus, the elevator car signal can be stabilized, and the coverage effect is excellent. The elevator coverage is solved at low cost, and only 2 devices are used. The engineering installation is convenient.

Description

Elevator moving signal coverage system

Technical Field

The utility model relates to the technical field of wireless mobile communication, in particular to an elevator mobile signal coverage system.

Background

For the wireless communication field, the elevator is always a service pain point, and the main reasons are as follows: 1. wireless service is frequent, the user demand is high, and particularly, the elevator in a mall is provided; 2. the environment is closed, and the signal attenuation is large due to the car structure; 3. the probability of occurrence of the weak area/blind area of the signal is high, and customer complaints are easy to generate.

At present, three ways of solving the problem of elevator signal coverage exist:

1. traditional room division scheme:

introducing information sources in a wired mode, introducing signals to the car through a flat antenna at the rear end, covering 3-4 layers by each antenna, and covering 1-2 layers by each covering unit for the car with better shielding;

2. traditional micro distribution scheme

The access unit accesses the base station signal in a wireless mode, introduces the signal into the coverage units in a wired mode, wherein each coverage unit covers 6-7 layers, and each coverage unit covers 2-3 layers for a car with better shielding;

both elevator coverage solutions have a common problem:

1. the number and the coverage height of the coverage units are strictly calculated to ensure the coverage effect, the required rear end coverage amount is large, and the cost is high;

2. the number of required equipment is large, and the installation and later-stage coverage adjustment and optimization are difficult;

3. the signal in the elevator is unstable, the signal is stronger when approaching to the cover unit, the signal is weaker when keeping away from the cover unit, if the cover unit covers unreasonably, the condition that the telephone falls off the network easily appears.

Disclosure of Invention

The utility model aims to provide an elevator moving signal coverage system, which solves the problems that signals in an elevator are unstable, signals are strong when approaching to a coverage unit, signals are weak when being far away from the coverage unit, and if the coverage of the coverage unit is unreasonable, telephone network drop easily occurs.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an elevator mobile signal coverage system, including access antenna, near-end equipment, power supply system, well accuse equipment, elevator retinue cable, distal end equipment and coverage antenna, the one end and the near-end equipment of well accuse equipment link to each other, and the other end passes through elevator retinue cable and distal end equipment and links to each other, and distal end equipment is fixed in on the elevator car, and access antenna and near-end equipment link to each other, and coverage antenna sets up in the elevator car to link to each other with distal end equipment, power supply system links to each other with well accuse equipment.

The power supply system comprises a power adapter, wherein the power adapter converts an AC220V power supply into a DC24V power supply and supplies power to the near-end equipment and the far-end equipment through the central control equipment.

The further technical scheme is that the elevator trailing cable is a TSYV-50-5 cable.

The further technical scheme is that the coverage antenna comprises an antenna body and a base, wherein the base is fixed at the top of the elevator car and is connected with the remote equipment, and the antenna body is clamped on the base.

The further technical scheme is that the lower side of base is provided with the spread groove, and the upside of antenna body is connected with connecting portion, and connecting portion card is located in the spread groove.

Still further technical scheme is, the spread groove sets up in the side of base, and the cell wall of spread groove downside is linked together with the downside of base, and the cell wall of spread groove is provided with the sliding tray along the notch to the tank bottom, and the side of connecting portion is provided with the slip rail, and the slip rail slides and sets up in the sliding tray, and the side of connecting portion is provided with the spread groove, is provided with the connector on the cell wall of one side of spread groove keeping away from the open-ended, and connector and spread groove buckle link to each other.

Still further technical scheme is, be provided with the spacing groove on the cell wall of sliding tray, be provided with the elastic piece in the spacing groove, the one end of elastic piece is fixed with the tank bottom of spacing groove, and the other end is the laminating with the tank bottom slip of spacing groove, and the middle part of elastic piece is the arch, and wears out the spacing groove, in the sliding tray with the laminating of sliding rail slip.

According to a further technical scheme, a buffer layer is arranged on one side of the sliding rail, which faces the limiting groove, and the sliding rail.

Further technical scheme is that one end of the elastic sheet and the bottom of the limit groove are in sliding fit, a sliding plate is connected to one end of the elastic sheet and the bottom of the limit groove, and the upper side of the sliding plate is connected with the elastic sheet while the lower side is in sliding fit with the bottom of the limit groove.

Compared with the prior art, the utility model has the beneficial effects that: when the mobile phone needs to accept signals, the access antenna is accessed to the base station signals, the signals are transmitted to the near-end equipment, the near-end equipment processes the signals, then the signals are transmitted to the far-end equipment along with the cable through the elevator, the far-end equipment carries out secondary processing on the signals, and the processed signals are covered by the coverage antenna to realize the signal coverage of the elevator car. When the mobile phone needs to send signals, the coverage antenna receives mobile phone signals, the signals are transmitted to the far-end equipment, the far-end equipment processes the signals, then the signals are transmitted to the near-end equipment along with the cable through the elevator, the near-end equipment carries out secondary processing on the signals, and the processed signals are sent to the base station through the coverage antenna, so that uplink signal communication is achieved. Thus, the elevator car signal can be stabilized, and the coverage effect is excellent. Low cost solutions to elevator coverage (only 2 devices are used). The engineering installation is convenient. The problem that signals in an elevator are unstable, signals are strong when the elevator is close to a coverage unit, signals are weak when the elevator is far away from the coverage unit, and if the coverage of the coverage unit is unreasonable, telephone network dropping is easy to occur is solved.

Drawings

Fig. 1 is a schematic diagram of the architecture of an elevator motion signal coverage system of the present utility model.

Fig. 2 is a schematic side cross-sectional view of a coverage antenna of an elevator movement signal coverage system of the present utility model.

Fig. 3 is a schematic elevation cross-sectional view of a coverage antenna of an elevator movement signal coverage system of the present utility model.

Fig. 4 is a partially enlarged schematic view of fig. 3 at a mark a.

Fig. 5 is an enlarged schematic view of a partial side section at a reference a in fig. 3.

Icon: 1-access antenna, 2-near-end equipment, 3-power supply system, 4-central control equipment, 5-elevator trailing cable, 6-far-end equipment, 7-coverage antenna, 701-antenna body, 702-base, 703-connecting slot, 704-connecting portion, 705-sliding slot, 706-sliding rail, 707-connecting slot, 708-connector, 709-limit slot, 710-elastic piece, 711-sliding plate, 8-base station, 9-elevator car, 10-elevator shaft.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Fig. 1 to 5 show an embodiment of the present utility model.

Example 1:

the utility model provides an elevator mobile signal coverage system, including access antenna 1, near-end equipment 2, power supply system 3, well accuse equipment 4, elevator retinue 5, distal end equipment 6 and cover antenna 7, the one end of well accuse equipment 4 links to each other with near-end equipment 2, the other end passes through elevator retinue 5 and links to each other with distal end equipment 6, distal end equipment 6 is fixed in on the elevator car 9, access antenna 1 links to each other with near-end equipment 2, cover antenna 7 sets up in elevator car 9 to link to each other with distal end equipment 6, power supply system 3 links to each other with well accuse equipment 4. In this arrangement, the access antenna 1 accesses the signal of the base station 8 in a wireless manner, then transmits the signal to the near-end device 2 in a wired manner, the near-end device 2 processes the signal, the signal processing includes signal filtering, signal amplifying and the like, then the signal is transmitted to the far-end device 6 through the elevator following cable 5, the far-end device 6 performs secondary processing on the signal, the secondary signal processing includes signal filtering, signal amplifying and the like, and the processed signal realizes signal coverage of the elevator car 9 through the coverage antenna 7. When the mobile phone needs to send signals, the coverage antenna 7 receives mobile phone signals in a wireless mode, then transmits the signals to the far-end equipment 6 in a wired mode, the far-end equipment 6 processes the signals, the signal processing comprises signal filtering, signal amplifying and the like, then the signals are transmitted to the near-end equipment 2 along with the cable 5 through an elevator, the near-end equipment 2 performs secondary processing on the signals, and the secondary signal processing comprises signal filtering, signal amplifying and the like; the processed signals are sent to the base station 8 through the coverage antenna, so that uplink signal communication is realized. The elevator car signal is stable and the coverage effect is excellent. Low cost solutions to elevator coverage (only 2 devices are used). The engineering installation is convenient.

The elevator trailing cable 5 can be bundled with other trailing cables in the elevator hoistway 10 so that the confusion of the lines in the elevator hoistway 10 can be avoided. The working frequency of the access antenna 1 is the same as the frequency of the base station 8, so that the downlink signal of the base station 8 is received and the uplink signal of the terminal is transmitted; the working frequency of the coverage antenna 7 is the same as the frequency of the base station 8, so that the downlink signals of the base station 8 and the uplink signals of the terminal are received. The near-end device 2 realizes the functions of filtering and amplifying the downlink signals of the base station 8 and simultaneously realizes the functions of filtering and amplifying the uplink signals from the far-end device 6; the far-end equipment 6 realizes the functions of filtering and amplifying the downlink signals from the near-end equipment 2 and simultaneously realizes the functions of filtering and amplifying the uplink signals from the mobile phone terminal equipment;

the power supply system 3 includes a power adapter that converts AC220V power to DC24V power and supplies power to the near-end device 2 and the far-end device 6 through the center control device 4. The whole set of system adopts a single-point feed system to convert AC220V into DC to supply power for the far-end equipment and the near-end equipment, and DC power supply and radio frequency signals adopt a collinear cable to ensure the convenience of construction of the whole set of system.

The elevator trailing cable 5 is a TSYV-50-5 cable. The elevator trailing cable 5 adopts a TSYV-50-5 cable, so that the reliability and the long service life of the elevator trailing cable in the use process are ensured while the minimum attenuation of radio frequency signals is ensured.

Example 2:

on the basis of embodiment 1, the cover antenna 7 comprises an antenna body 701 and a base 702, the base 702 being fixed to the top of the elevator car 9 and being connected to the remote device 6, the antenna body 701 being clamped to the base 702. With this arrangement, when maintenance or replacement of the cover antenna 7 is required, the antenna body 701 can be detached from the base 702. Repair is completed or a new antenna body 701 is mounted on the base 702.

A connection groove 703 is provided on the lower side of the base 702, and a connection portion 704 is connected to the upper side of the antenna body 701, and the connection portion 704 is engaged with the connection groove 703. By arranging the connecting groove 703 and the connecting part 704, the stability of the connection between the base 702 and the base 701 is improved.

The connecting groove 703 is arranged on the side surface of the base 702, the groove wall on the lower side of the connecting groove 703 is communicated with the lower side of the base 702, a sliding groove 705 is formed in the groove wall of the connecting groove 703 from the groove opening to the groove bottom, a sliding rail 706 is arranged on the side surface of the connecting portion 704, the sliding rail 706 is arranged in the sliding groove 705 in a sliding manner, a connecting slot 707 is formed in the side surface of the connecting portion 704, a connecting head 708 is arranged on the groove wall on one side, far away from the opening, of the connecting groove 703, and the connecting head 708 is connected with the connecting slot 707 in a buckling manner. In this arrangement, when it is necessary to mount the antenna body 701 on the base 702, the antenna body 701 can be mounted on the base 702 by aligning the slide rail 706 on the connection portion 704 with the slide groove 705 on the wall of the connection groove 703 and then pushing the connection portion 704 toward the bottom of the connection groove 703. By providing the connector 708 and the connection slot 707, it is possible to access the remote device 6 through the connector 708 and the connection slot 707 after the antenna body 701 is mounted, and the trouble of separate wiring is avoided.

The groove wall of the sliding groove 705 is provided with a limiting groove 709, an elastic sheet 710 is arranged in the limiting groove 709, one end of the elastic sheet 710 is fixed with the groove bottom of the limiting groove 709, the other end of the elastic sheet 710 is in sliding fit with the groove bottom of the limiting groove 709, the middle part of the elastic sheet 710 is arched and penetrates out of the limiting groove 709, and the elastic sheet 710 is in sliding fit with the sliding rail 706 in the sliding groove 705. By such arrangement, after the base 702 and the antenna body 701 are mounted, the elastic piece 710 can be used to support the sliding rail 706, so that the sliding rail 706 can be prevented from sliding in the sliding groove 705 due to the shake of the elevator car 9 during the normal operation of the elevator car 9, and the connection between the connector 708 and the connection slot 707 is disconnected. The stability in the use process is improved.

The sliding rail 706 and a side of the sliding rail 706 facing the limit groove 709 are provided with a buffer layer. By providing the buffer layer, the friction force between the elastic sheet 710 and the sliding rail 706 is further improved, and the sliding rail 706 is prevented from sliding in the sliding groove 705.

One end of the elastic sheet 710, which is in sliding fit with the bottom of the limit groove 709, is connected with a sliding plate 711, and the upper side of the sliding plate 711 is connected with the elastic sheet 710, while the lower side is in sliding fit with the bottom of the limit groove 709. When the sliding rail 706 and the elastic sheet 710 are in contact during the installation of the antenna body 701, the elastic sheet 710 is compressed and contracted into the limit groove 709, so that the sliding rail 706 is in contact fit with the elastic sheet 710 through the elasticity of the elastic sheet 710. By providing the slide plate 711, the elastic piece 710 can be smoothly slid without being fixed to the bottom of the limit groove 709 when the elastic piece 710 is compressed or restored.

Although the utility model has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications may be made to the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, drawings and claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will be apparent to those skilled in the art.

Claims

1. The utility model provides an elevator mobile signal coverage system, its characterized in that, including access antenna (1), near-end equipment (2), power supply system (3), well accuse equipment (4), elevator retinue cable (5), distal end equipment (6) and cover antenna (7), the one end and the near-end equipment (2) of well accuse equipment (4) link to each other, and the other end passes through elevator retinue cable (5) and distal end equipment (6) link to each other, distal end equipment (6) are fixed in on elevator car (9), access antenna (1) links to each other with near-end equipment (2), cover antenna (7) set up in elevator car (9) to link to each other with distal end equipment (6), power supply system (3) link to each other with well accuse equipment (4).

2. An elevator movement signal coverage system according to claim 1, characterized in that: the power supply system (3) comprises a power adapter which converts AC220V power to DC24V power and supplies power to the near-end device (2) and the far-end device (6) through the central control device (4).

3. An elevator movement signal coverage system according to claim 1, characterized in that: the elevator trailing cable (5) is a TSYV-50-5 cable.

4. An elevator movement signal coverage system according to any one of claims 1-3, characterized in that: the coverage antenna (7) comprises an antenna body (701) and a base (702), wherein the base (702) is fixed on the top of the elevator car (9) and is connected with the remote equipment (6), and the antenna body (701) is clamped on the base (702).

5. An elevator movement signal coverage system as defined in claim 4, wherein: the antenna is characterized in that a connecting groove (703) is formed in the lower side of the base (702), a connecting portion (704) is connected to the upper side of the antenna body (701), and the connecting portion (704) is clamped in the connecting groove (703).

6. An elevator movement signal coverage system as defined in claim 5, wherein: the utility model discloses a connecting device for a solar cell, including base (702), cell wall and base (702), connecting groove (703) set up in the side of base (702), and the cell wall of connecting groove (703) downside is linked together with the downside of base (702), the cell wall of connecting groove (703) is provided with sliding tray (705) along the notch to the tank bottom, the side of connecting portion (704) is provided with sliding rail (706), sliding rail (706) slides and sets up in sliding tray (705), the side of connecting portion (704) is provided with connecting slot (707), be provided with connector (708) on one side cell wall that open-ended was kept away from to connecting groove (703), connector (708) link to each other with connecting slot (707) buckle.

7. An elevator movement signal coverage system as defined in claim 6, wherein: the groove wall of sliding groove (705) is provided with spacing groove (709), be provided with in spacing groove (709) elastic sheet (710), the tank bottom of one end and spacing groove (709) of elastic sheet (710) is fixed, and the other end is laminated with the tank bottom slip of spacing groove (709), the middle part of elastic sheet (710) is the arch, and wears out spacing groove (709), in sliding groove (705) and slip rail (706) slip laminating.

8. An elevator movement signal coverage system according to claim 7, characterized in that: a buffer layer is arranged on one side of the sliding rail (706) and one side of the sliding rail (706) facing the limit groove (709).

9. An elevator movement signal coverage system according to claim 7, characterized in that: one end of the elastic sheet (710) and the bottom of the limit groove (709) are in sliding fit, a sliding plate (711) is connected to one end of the elastic sheet, the upper side of the sliding plate (711) is connected with the elastic sheet (710), and the lower side of the sliding plate is in sliding fit with the bottom of the limit groove (709).