CN212057211U

CN212057211U - Light-emitting device supporting positioning

Info

Publication number: CN212057211U
Application number: CN202020715626.1U
Authority: CN
Inventors: 张慧熙; 安康
Original assignee: Qianjiang College of Hangzhou Normal University
Current assignee: Qianjiang College of Hangzhou Normal University
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-01
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a support illuminator of location. In the prior art, devices with WiFi or bluetooth communication functions are often used as positioning reference nodes, and since the layout of such reference nodes in a venue is random, a transmitting module may not be able to achieve good coverage for all areas, especially poor coverage for channels. The utility model relates to a support illuminator of location, including light emitting module and antenna module. The antenna assembly includes an antenna and an RF connector. The antenna is electrically connected to the RF connector. The utility model discloses integrated high performance antenna on illuminator, utilized the rationality of illuminator overall arrangement for positioning system's reference node improves coverage under same transmitted power's prerequisite by a wide margin. Furthermore, the utility model discloses a low pressure DC power supply that illuminator was taken certainly is the wireless module power supply, can simplify or cancel the design of location reference node circuit power supply part, further reduces node circuit's volume and cost.

Description

Light-emitting device supporting positioning

Technical Field

The utility model belongs to the technical field of illumination and fire-fighting equipment, concretely relates to illuminator of support location.

Background

The lighting device is almost a necessity in each industry, emergency lights are widely equipped in each industry to ensure uninterrupted lighting, and the fire evacuation indicator lamp 5 is a standard configuration in a building with dense people in order to improve the efficiency of people escaping from the scene in case of fire. Finding a specific person, vehicle, object or a place in a large building is often inconvenient, and thus indoor positioning technology is widely studied and partially put into practical use. In the prior art, devices with WiFi or bluetooth communication functions are often used as positioning reference nodes, and since the layout of such reference nodes in a venue is random, a transmitting module may not be able to achieve good coverage for all areas, especially poor coverage for channels. Some reference nodes dedicated to providing indoor positioning services are battery-powered, which requires strict power limitation on the transmitting circuit, and this solution also increases the early network construction cost and the later maintenance cost.

Disclosure of Invention

An object of the utility model is to provide a luminous device who supports (indoor) location.

The utility model relates to a support illuminator of location, including light emitting module and antenna module. The antenna assembly includes an antenna and an RF connector. The antenna is electrically connected to the RF connector.

Preferably, the antenna adopts a linear structure, and the length of the antenna is one fourth or three quarters or one half of the working wavelength.

Preferably, the number of the antenna components is 2n, and n is more than or equal to 1; every two of the 2n antenna components are in a group to form n groups of linear symmetrical half-wave oscillators. The length of the antennas in the same group of linear symmetrical half-wave oscillators is the same.

Preferably, the light emitting module adopts an emergency lighting lamp. The emergency lighting lamp includes a light emitting part and a power supply part. The light emitting component comprises a light source and a reflecting cover; the power supply part comprises a storage battery, a control circuit and a box body; the storage battery and the control circuit are arranged in the box body; the reflector is arranged at the top of the box body. A light source is arranged in the reflector. The on-off of the light source is controlled by the control circuit; the storage battery supplies power for the light source and the control circuit. The antenna and the RF connector are mounted inside or outside the housing.

Preferably, the light emitting module adopts a fire-fighting evacuation indicator lamp.

Preferably, the light emitting module adopts an electronic doorplate. The electronic doorplate comprises a lamp plate shell and a display screen. The display screen is provided with luminous characters corresponding to the house numbers.

Preferably, the light emitting module adopts a daily illuminating lamp. The daily illuminating lamp comprises an aluminum-based circuit board and an LED lamp array. The LED lamp array and the antenna assembly are mounted on an aluminum-based circuit board.

Preferably, the light emitting module is a street lamp. The street lamp comprises a street lamp upright post and a street lamp lighting module. The street lamp lighting module is arranged at the top of the street lamp upright post; the n groups of linear symmetrical half-wave vibrators are sequentially arranged at intervals along the vertical direction and are all fixed on the street lamp stand column. And the n groups of linear symmetrical half-wave oscillators have antennas with different lengths.

Preferably, a direct-current voltage output interface is arranged in the light-emitting module and supplies power to the wire assembly. The direct-current voltage output interface is connected with a power supply interface of the light-emitting module.

The utility model has the advantages that:

1. the utility model discloses integrated high performance antenna on illuminator, utilized the rationality of illuminator overall arrangement for positioning system's reference node improves coverage under same transmitted power's prerequisite by a wide margin.

2. By implementing the utility model, the antenna design on the positioning reference node circuit board can be cancelled (only a wireless module without an antenna is adopted to be connected with the antenna component in the utility model), thereby reducing the size of the circuit board; increasing the distance of the antenna from the node circuit may improve the electromagnetic compatibility of the positioning reference node.

3. The utility model discloses an use LED from the low pressure DC power supply who takes as the illuminator of light source, for the wireless module power supply, can simplify or cancel the design of location reference node circuit, further reduce the volume and the cost of node circuit.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 3 of the present invention;

fig. 4 is a schematic structural diagram of embodiment 4 of the present invention;

fig. 5 is a schematic structural diagram of embodiment 5 of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Example 1

As shown in fig. 1, a location-enabled lighting device includes an emergency light and an antenna assembly. The emergency illumination lamp includes a light emitting part 1 and a power supply part 2. The light emitting part 1 comprises a light source and a reflecting cover; the power supply part 2 comprises a storage battery, a direct-current voltage output interface, a control circuit and a box body; the storage battery and the control circuit are arranged in the box body; two reflection covers are arranged at the top of the box body. The inside of the reflector is provided with a light source. The on-off of the light source is controlled by the control circuit; the storage battery supplies power for the light source and the control circuit. The antenna assembly comprises an antenna 3 and an RF connector 4. The antenna 3 is mounted on the RF connector 4. The antenna 3 is of a linear structure and has a length of one quarter or three quarters of the operating wavelength. The antenna 3 and the RF connector 4 are mounted inside or outside the box. In case the antenna 3 and the RF connector 4 are mounted in a box, the material of the box is non-metallic. A wireless module without a battery and without an integrated antenna is also arranged in the box body; the wireless module is connected to the RF connector 4 to transmit a wireless signal. The DC voltage output interface is connected with the storage battery to supply power for the wireless module and the antenna assembly

When a plurality of positioning-supporting light emitting devices are arranged in a public place; as long as the user carries a mobile device capable of receiving the wireless signal sent by the antenna 3, the positioning can be realized by receiving the wireless signal; specifically, the mobile device obtains the distance between the mobile device and each antenna by receiving the wireless signal, and further determines the position of the mobile device; the positioning process is related to the prior art and is not described herein.

Emergency lighting lamps are widely installed in various public places such as factories, office buildings, commercial places, teaching venues, and the like. The large-scale entertainment shopping center comprises a plurality of types of large-scale merchants, people can acquire information of the merchants on line, and then are often inconvenient to find on the spot, and people can go to a garage to take a car and are also likely to find the car too easily when returning, because the indoor positioning system is immature, and the indoor positioning system is not in seamless connection with outdoor positioning service. The key of the commercial indoor positioning system is the large number of positioning reference nodes, network planning and changing and later maintenance cost. The emergency lighting lamp is used as an infrastructure of a commercial venue, and is reasonable in planning and relatively fixed. Therefore, the emergency lighting lamp has great advantages as a reference node for indoor positioning. In wireless communication, the design of antenna is a key link, and this embodiment has utilized emergency lighting lamp, sets up high performance antenna on its box, can draw suitable DC power supply by the battery simultaneously and supply the location node circuit to use.

In this embodiment, because the antenna is linear structure and sets up on the surface of emergency lighting lamp box body, under the prerequisite of same transmitting power, can improve the signal coverage effect than the scheme of antenna on the circuit board by a wide margin. Separating the antenna from the node circuit by a suitable distance also improves the electromagnetic compatibility of the node. The emergency lighting lamp is provided with the storage battery, the pair of interfaces can be led out from the positive electrode and the negative electrode of the storage battery, and a required low-voltage direct-current power supply is provided for the node circuit, so that the design of the power supply part can be simplified by positioning the node circuit, the size and the cost of the node circuit are further reduced, and the trouble of replacing the battery in the later stage of a node scheme powered by a common battery is avoided.

Example 2

As shown in fig. 2, the present embodiment is different from embodiment 1 in a light emitting device supporting positioning: the emergency illuminating lamp is replaced by a fire-fighting evacuation indicating lamp 5. There are four antenna elements. Each antenna assembly is installed on the top of the outer side surface of the fire evacuation indicator lamp 5. The antennas 3 in the four antenna components are in a group in pairs to form two groups of linear symmetrical half-wave oscillators. The design can optimize the directional diagram of the antenna, so that the fire evacuation indicator lamp 5 is more suitable for being installed at the position needing direction indication at the end of the channel.

The panel shown in fig. 2 does not affect the visual effect of the normal evacuation indication because the antenna portion can be covered by the side wall of the fixed panel. In addition, the antenna can also be arranged on the back or the side of the fire evacuation indicator lamp 5. The fire evacuation indicator lamp 5 is forcibly installed in various public places such as factories, office buildings, commercial places, and teaching venues. The large-scale entertainment shopping center comprises a plurality of types of large-scale merchants, people can acquire information of the merchants on line, and then are often inconvenient to find on the spot, and people can go to a garage to take a car and are also likely to find the car too easily when returning, because the indoor positioning system is immature, and the indoor positioning system is not in seamless connection with outdoor positioning service. The key of the commercial indoor positioning system is the large number of positioning reference nodes, network planning and changing and later maintenance cost. The fire-fighting evacuation indicator lamp 5 is used as an infrastructure of a commercial venue, and is reasonably planned and fixed, so that the fire-fighting evacuation indicator lamp 5 has great advantages as a reference node for indoor positioning.

In this embodiment, because the antenna is linear structure and sets up on the surface of fire control evacuation pilot lamp 5, under the prerequisite of same transmitting power, can improve the signal coverage effect by a wide margin than the scheme that the antenna set up on the circuit board. The embodiment can cancel the antenna design on the reference node circuit board, thereby reducing the size of the node circuit; further, the antenna and the node circuit are separated by a proper distance, and the electromagnetic compatibility of the node can be improved. The fire-fighting evacuation indicator lamp 5 is provided with storage batteries, a pair of interfaces can be led out from the positive and negative electrodes of the storage batteries to provide a required low-voltage direct-current power supply for the node circuit, so that the node circuit can be positioned to simplify the design of the power supply part, the size and the cost of the node circuit are further reduced, and the trouble of replacing the batteries in the later stage of the node scheme powered by common batteries is avoided.

Example 3

As shown in fig. 3, the present embodiment is different from embodiment 1 in a light emitting device supporting positioning: the emergency lighting lamp is replaced by an electronic doorplate. The electronic doorplate comprises a lamp housing 6 and a display screen 7. The display screen 7 is provided with luminous characters corresponding to the house numbers. There are four antenna elements. The antennas 3 in the four antenna components are in a group in pairs to form two groups of linear symmetrical half-wave oscillators. Two antennas 3 in the first group of linear symmetrical half-wave oscillators are respectively arranged on the left side and the right side of the electronic doorplate and are equal in length; two antennas 3 in the second group of linear symmetrical half-wave oscillators are respectively arranged on the upper side and the lower side of the electronic doorplate and are equal in length; the lengths of the antennas in the two groups of linear symmetrical half-wave oscillators are different. The reference node can communicate with the mobile terminal by using different frequency bands by arranging a plurality of groups of antennas with different lengths. Diversity reception of radio waves may be achieved by multiple antennas in a group of antennas to reduce multipath fading. The antenna can also be arranged on the outer surface of the panel, the inner surface of the panel and the side position of the electronic doorplate.

The large-scale entertainment shopping center comprises a plurality of types of large-scale merchants, people know the information of the merchants on line and often do not have great convenience when looking for the information on the spot, because the traditional house number cannot emit light by self, the house number is not easy to identify by people under commercial illumination and a noisy atmosphere, and the electronic house number can display the house number in a personalized manner and has a light-emitting function, so that people can conveniently identify the house number. Merchants and customers would be better served if the electronic doorplate also had the ability to locate. The electronic doorplate with the positioning function is popularized and used in a large-scale entertainment shopping center, and a positioning reference node which is excellent in planning and relatively fixed can be formed, so that the method has a good application prospect.

In this embodiment, because the antenna is linear structure and sets up on the surface of electron house plate, under the prerequisite of same transmitted power, can improve signal coverage effect than the scheme of antenna on the circuit board by a wide margin. The embodiment can cancel the antenna design on the reference node circuit board, thereby reducing the size of the node circuit; further, the antenna and the node circuit are separated by a proper distance, and the electromagnetic compatibility of the node can be improved. The electronic doorplate is provided with a direct-current voltage-stabilized power supply and can supply power to the node circuit, so that the design of a power supply part can be cancelled by the positioning node circuit, the size and the cost of the node circuit are further reduced, and the trouble of replacing a battery in the later stage of a node scheme with a common battery for power supply is avoided.

Example 4

As shown in fig. 4, the present embodiment is different from embodiment 1 in a light emitting device supporting positioning: the emergency illuminating lamp is replaced by a daily illuminating lamp. The daily lighting lamp comprises an aluminum-based circuit board 8 and an LED lamp array 9. The LED lamp array 9 is mounted on the aluminum-based circuit board 8 and used for light emitting and illumination. The antenna components are two and form a group of linear symmetrical half-wave oscillators. The aluminum-based circuit board 8 can reflect radio waves emitted by the antenna assembly, and the front-to-back ratio of the antenna, namely the coverage efficiency of the antenna, is improved. When the light emitting diode LED emits light, a stable direct current power supply is needed, so that the direct current voltage interface LED out from the light emitting module is very convenient to supply power for the antenna assembly.

More and more lighting devices currently employ Light Emitting Diodes (LEDs) as light sources, which operate under direct current conditions. The light source of one LED lighting device is usually a plurality of LEDs connected on an aluminum-based circuit board, and if a plurality of wires are designed on the aluminum-based circuit board to be used as antennas, the antenna is very convenient and the occupied area is very small. The daily light hangs in higher place in this embodiment, when installation location reference node in it, can provide fine coverage effect.

Example 5

As shown in fig. 5, the present embodiment is different from embodiment 1 in a light emitting device supporting positioning: the emergency illuminating lamp is replaced by a street lamp. The street lamp includes a street lamp post 10 and a street lamp lighting module 11. The street lamp lighting module 11 is installed on the top of the street lamp post 10 for outdoor lighting. The antenna components are eight and are grouped in pairs to form four groups of linear symmetrical half-wave oscillators. The four groups of linear symmetrical half-wave vibrators are sequentially arranged at intervals along the vertical direction and are all fixed on the street lamp stand column 10. The lengths of the antennas in different linear symmetrical half-wave oscillators are not completely the same; different antenna lengths correspond to a plurality of different radio frequency bands. The antennas in the same frequency band are provided with a plurality of groups of antennas, so that the diversity reception of radio waves can be realized to reduce multipath fading, and meanwhile, the directional patterns of the antennas can be flattened to facilitate the coverage of vehicles on roads. The antenna sets up the surface at the stand, and the rear side of antenna has the metal sheet, can reflect radio wave, improves the front-to-back ratio of antenna.

The smart city construction becomes a hot topic in recent years, wherein the monitoring and advance notice of urban road traffic flow is important content, and how to accurately realize the traffic flow detection with low cost is a key link. The embodiment provides a reference node for positioning the vehicle by using the street lamp facility.

Claims

1. A lighting device supporting positioning, comprising a lighting module characterized in that: also included is an antenna assembly; the antenna assembly comprises an antenna and an RF connector; the antenna is electrically connected to the RF connector.

2. A position-supporting lighting device as claimed in claim 1, wherein: the antenna adopts a linear structure, and the length of the antenna is one quarter, three quarters or one half of the working wavelength.

3. A position-supporting lighting device as claimed in claim 1, wherein: the number of the antenna components is 2n, wherein n is more than or equal to 1; every two of the 2n antenna components are in a group to form n groups of linear symmetrical half-wave oscillators; the length of the antennas in the same group of linear symmetrical half-wave oscillators is the same.

4. A position-supporting lighting device as claimed in claim 1, wherein: the light-emitting module adopts an emergency lighting lamp; the antenna and the RF connector are mounted in or on the outside of the emergency light.

5. A positioning-enabled lighting device as recited in claim 4, wherein: the emergency illuminating lamp comprises a light-emitting part and a power supply part; the light emitting component comprises a light source and a reflecting cover; the power supply part comprises a storage battery, a control circuit and a box body; the storage battery and the control circuit are arranged in the box body; the reflecting cover is arranged at the top of the box body; a light source is arranged in the reflecting cover; the on-off of the light source is controlled by the control circuit; the storage battery supplies power for the light source and the control circuit.

6. A position-supporting lighting device as claimed in claim 1, wherein: the light emitting module adopts a fire-fighting evacuation indicator lamp.

7. A position-supporting lighting device as claimed in claim 1, wherein: the light-emitting module adopts an electronic doorplate; the electronic doorplate comprises a lamp plate shell and a display screen; the display screen is provided with luminous characters corresponding to the house numbers.

8. A position-supporting lighting device as claimed in claim 1, wherein: the light-emitting module adopts a daily illuminating lamp; the daily illuminating lamp comprises an aluminum-based circuit board and an LED lamp array; the LED lamp array and the antenna assembly are mounted on an aluminum-based circuit board.

9. A position-supporting lighting device as claimed in claim 3, wherein: the light-emitting module adopts a street lamp; the street lamp comprises a street lamp upright post and a street lamp lighting module; the street lamp lighting module is arranged at the top of the street lamp upright post; the n groups of linear symmetrical half-wave vibrators are sequentially arranged at intervals along the vertical direction and are all fixed on the street lamp stand column; and the n groups of linear symmetrical half-wave oscillators have antennas with different lengths.

10. A position-supporting lighting device as claimed in claim 1, wherein: a direct-current voltage output interface is arranged in the light-emitting module and supplies power to the wire assembly; the direct-current voltage output interface is connected with a power supply interface of the light-emitting module.