CN205265692U - Wireless configurator of short distance based on 2. 4G - Google Patents

Abstract

The utility model discloses a wireless configurator of short distance based on 2.4G, including MCU control module, LED lamp, button, lithium cell, power management module and two sets of 2.4G wireless communication module, MCU control module links to each other with power management module, LED lamp and button, two sets of 2.4G wireless communication module respectively, power management module with the lithium cell links to each other, power management module still is connected with the mouth that charges, two sets of 2.4G wireless communication module include strong radio signal module and weak radio signal module, strong radio signal module is connected with the 2.4G antenna. The utility model discloses can use in 2.4G wireless communication's low -cost photovoltaic power plant monitored control system by the ligand, messenger monitored control system possesses complete, nimble configuration nature, and directive property is strong, with low costs, the configuration process simple, it is nimble to arrange.

Description

Short-distance wireless configurator based on 2.4G

Technical field

The utility model relates to a kind of radio configuration device, is specifically related to a kind of short-distance wireless configurator based on 2.4G, and this configurator is applied in photovoltaic power station component monitoring system, is applicable to the layoutprocedure of densely arranged monitor component unit.

Background technology

The monitoring system of photovoltaic power station component level requires the deployment of a large amount of supervising devices, on each assembly, monitoring device is installed, and gathers and send the supplemental characteristic of each assembly, finds in time component faults, reaches the object of component level monitoring. the supervising device of large quantity need to adopt various configuration modes, realize the differentiation of the individual monitor data of different assemblies, existing technical scheme comprises RFID tag configurations, burning or making bar code in advance, the allocation plans such as on-the-spot barcode scanning, as the utility model patent of announcing on June 25th, 2014 " the remote monitoring type photovoltaic junction box of based semiconductor thermometric and FM transmission " (CN201410133165), the utility model patent " based on the remote monitoring type photovoltaic junction box of surveying voltage and RFID transmission " of announcing on June 25th, 2014 (CN201410133296), the utility model patent " a kind of photovoltaic module parameter monitor device based on PLC " that on September 3rd, 2014 authorizes (CN203812038U). but, still there is following problem:

1, wireless monitor arrangements difficulty is large. The assembly of photovoltaic plant is densely arranged, interval 0.9m between assembly, most of wireless monitor scheme effective communication distance is greater than 20m, within communication distance, cover the monitor component unit of the configuration of dispatching from the factory equally in a large number, be difficult to monitoring unit individuality to be distinguished, generally cannot use the broadcast configuration scheme in certain limit. For monitoring unit individuality is distinguished, existing short-distance wireless allocation plan generally uses RFID label, the mode that non-radio configuration scheme is generally used the program of burning difference in advance or makes differentiation bar code, these two kinds of mode comparing class seemingly, all need additionally to add label or bar code management scheme.

2, cost is high. Photovoltaic power station component monitoring unit quantity is very large, extensive with batch the mode of the general burning same program of selecting to dispatch from the factory in monitor component unit, if individual and to the different program of each individual programming in order to distinguish different monitoring unit, or in the time dispatching from the factory, be the bar code of each monitoring unit configure dedicated, must increase the operation of dispatching from the factory, produce extra production cost.

3, use difficulty large. programming in advance and the configuration of the monitor component unit to large quantity, the logical place of proxy component monitoring unit in monitoring system determined in advance, at the scene when construction and installation monitor component unit, must carry out man-to-man installation according in advance distinct logical relation contrast actual component position, in practical application scene, in the photovoltaic surface power station of 10MW, there are 40000 photovoltaic modulies, the monitor component unit of the equal number in advance configuring is very large by ad-hoc location installation difficulty and workload, actual needs one can be installed monitoring unit arbitrarily, the application mode of flexible configuration after installing.

4, affected by environment large. The mode affected by environment of arranging of photovoltaic power station component is a lot, the distance respective change of wireless telecommunications is larger, the allocation plan of monitoring system need to be adjusted according to actual conditions, adopts the variation that the monitor component unit method that burning configures is in advance difficult to meet actual conditions.

5, allocation plan effective time limit is short. Only there is a configuration machine meeting in the allocation plan of burning of dispatching from the factory, does not possess long-term effectiveness. The configuration mode that adopts barcode scanning mode to realize, generally needs to preserve bar code entity, and the outdoor construction of photovoltaic plant is attached to the bar code corrosion very soon on monitor component unit box body, does not possess long-term effectiveness. Must carry out extra depositing and managing, further increase the cost of monitoring system.

Utility model content

In order to solve the problems of the technologies described above, the utility model provides a kind of short-distance wireless configurator based on 2.4G, makes monitoring system possess complete, configurability flexibly, and directive property is strong, cost is low, layoutprocedure is simple, deployment is flexible.

In order to achieve the above object, the technical scheme that the utility model adopts is: the short-distance wireless configurator based on 2.4G, is characterized in that: comprise MCU control module, LED lamp, button, lithium battery, power management module and two cover 2.4G wireless communication modules; Described MCU control module is connected with power management module, LED lamp and button, two cover 2.4G wireless communication modules respectively, described power management module is connected with described lithium battery, described power management module is also connected with charge port, described two cover 2.4G wireless communication modules comprise strong wireless signal module and weak wireless signal module, and described strong wireless signal module is connected with 2.4G antenna.

The aforesaid short-distance wireless configurator based on 2.4G, is characterized in that: described radio configuration device is provided with Al-alloy metal shell.

The aforesaid short-distance wireless configurator based on 2.4G, is characterized in that: described metal shell front is provided with 4 openings of controlling button.

The aforesaid short-distance wireless configurator based on 2.4G, is characterized in that: on described metal shell one side side plate, be provided with successively charge port, LED socket and configurator power switch mouth.

The aforesaid short-distance wireless configurator based on 2.4G, is characterized in that: described metal shell opposite side side plate is provided with two 2.4GSMA antenna terminal position mouths.

The beneficial effect that the utility model reaches:

1. can coordinate low cost photovoltaic power station monitoring system based on 2.4G wireless telecommunications to use, make monitoring system possess complete, configurability flexibly;

2. directive property is strong: only treat in configuring area 30 cm range and send broadcast configuration signal, be applicable to the densely arranged assembly square formation of photovoltaic plant, can not be subject to the impact of adjacent monitoring unit;

3. cost is low: this scheme, based on 2.4G wireless communication module, is minimum, the most universal wireless solution of cost, only in configurator, uses 2 cover wireless modules can form the allocation plan of highly directive, high reliability;

4. layoutprocedure is simple: the program of all component monitoring unit Default Value, burning is all identical, does not also need the modes such as additional bar code to distinguish device, only just can obtain at host computer the corresponding informance of all component by the configuration of configurator;

5. dispose flexibly: all component monitoring unit initial program is identical, in each group of string, whether need configuration receive retransmission unit, configure several reception retransmission units, which monitoring unit is configured to receive retransmission unit and all can changes flexibly according to actual conditions, can configure easily by this hand-hold wireless configurator at the scene.

Brief description of the drawings

Fig. 1 is the utility model hardware circuit figure;

Fig. 2 is outer casing frontispiece structural representation;

Fig. 3 and Fig. 4 are respectively the structural representation of two side plates of shell.

Detailed description of the invention

Below in conjunction with accompanying drawing, the utility model is further described. Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.

As shown in Figure 1, the short-distance wireless configurator hardware circuit board of the utility model design comprises MCU control module, LED lamp, button, lithium battery, power management module and two cover 2.4G wireless communication modules, MCU control module is connected with power management module, LED lamp and button, two cover 2.4G wireless communication modules respectively, power management module is connected with described lithium battery, and power management module is also connected with charge port. Two cover 2.4G wireless communication modules comprise strong wireless signal module and weak wireless signal module, and strong wireless signal module is used normal 2.4G external antenna, is configured to high-power receiving and transmitting signal pattern, realize normalized distance from 2.4G communication; Weak wireless signal module is not used 2.4G antenna, controls the metal shell structure of configurator, adjusts the power of 2.4G transmitted signal, reaches the demand that short-range signal sends.

Fig. 2 is outer casing frontispiece structure chart of the present utility model. Radio configuration device of the present utility model adopts Al-alloy metal shell, realizes the shielding comprehensive, good to wireless signal at non-2.4G antenna place, avoids the wireless signal of transmitting to reveal, and prevents that the coverage of broadcast configuration signal is not controlled. The housing front of metal shell is provided with 4 perforates 1 of controlling button.

Fig. 3 and Fig. 4 are the structure chart of two side plates of shell. As shown in Figure 3, metal side plate one side has three holes, and three holes are respectively charge port 2, LED socket 3 and configurator power switch mouth 4. As shown in Figure 4, the opposite side of metal side plate is provided with two perforates, one be positioned at middle part 5, one be positioned at a side 6, be respectively 2.4GSMA antenna terminal position mouth.

Operation principle:

The assembly of photovoltaic plant is densely arranged, and the beeline to the monitoring unit of deployment of components between is mutually 0.9m. In the practice of construction of photovoltaic plant and the deployment of monitoring system, General Requirements monitor component unit is disposed with construction progress, after completing, construction according to site environment, the establishment monitoring unit of having disposed is configured, configurator of the present invention can hand-heldly be configured the monitor component unit of firing in a large number identical program of having disposed, information and corresponding relation to monitoring unit are distinguished, and are configured to the monitor network of master slave relation.

Configurator of the present utility model has two 2.4G wireless communication modules, one of them is the normal 2.4G module with antenna, effective communication distance is greater than 20 meters, another module is not for being with antenna, and be configured to the 2.4G module of small-power sending mode, be used at short distance broadcast configuration signal, effective communication distance is less than 30 centimetres.

The wireless communication module that configurator uses is NRF24L01 wireless communication module cheaply, by inside modules register configuration transmitting power, by the MCU chip of configurator inside, module is configured.

The monitor component unit that configurator of the present utility model configures is the module based on STC15W408 single-chip microcomputer of unifying in enormous quantities programming, and this monitor component unit internal processes is identical, and only the individual inner MAC Address in each unit is unique in the time dispatching from the factory. All component monitoring unit retains two addresses, and one is the broadcast communication address that all monitoring units are identical, and it two is the exclusive MAC Address in each unit.

The core that configurator of the present utility model is realized layoutprocedure is: send specific configuration signal by power emission wireless module a little less than the 2.4G with antenna not to the broadcast communication address of unit to be configured; Carry out all the other all data interactions by the 2.4G normal power wireless module with antenna.

In the time of configuration, hand-held configurator of the present utility model, treat configuration component monitoring unit individuality and be closely configured, configurator sends broadcast configuration signal by transmitter module a little less than the 2.4G with antenna not, and this broadcast configuration signal only can be correctly received in the distance in 30 centimetres. The MAC Address that postbacks this unit after this broadcast configuration signal is received in monitor component unit to be configured, and configurator is received this reply by the 2.4G wireless module with antenna, can clearly obtain the unique individual information in monitor component to be configured unit. Because broadcast configuration signal distance is strictly limited, other monitoring units outside 0.9 meter of monitoring unit to be configured of distance can't be by error configurations.

Utilize configurator of the present utility model to obtain in turn the independently MAC Address of monitor component unit, choose afterwards some monitor component unit as the transit node in monitor network, MAC Address fixed point at 20 meters of interior 2.4G wireless modules by configurator band antenna of effective communication distance using needs as the monitoring unit of this transit node child node sends to the MAC Address of transit node, and transit node can obtain the address of its lower all child nodes.

By same procedure multi-layer configuration, can, by the address configuration of all transit nodes to monitoring system main frame, realize the layoutprocedure of monitor network.

The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and distortion, these improvement and distortion also should be considered as protection domain of the present utility model.

Claims (5)

1. the short-distance wireless configurator based on 2.4G, is characterized in that: comprise MCU control module, LED lamp, button, lithium battery, power management module and two cover 2.4G wireless communication modules; Described MCU control module is connected with power management module, LED lamp and button, two cover 2.4G wireless communication modules respectively, described power management module is connected with described lithium battery, described power management module is also connected with charge port, described two cover 2.4G wireless communication modules comprise strong wireless signal module and weak wireless signal module, and described strong wireless signal module is connected with 2.4G antenna.

2. the short-distance wireless configurator based on 2.4G according to claim 1, is characterized in that: described radio configuration device is provided with Al-alloy metal shell.

3. the short-distance wireless configurator based on 2.4G according to claim 2, is characterized in that: described metal shell front is provided with 4 openings of controlling button.

4. the short-distance wireless configurator based on 2.4G according to claim 2, is characterized in that: on described metal shell one side side plate, be provided with successively charge port, LED socket and configurator power switch mouth.

5. the short-distance wireless configurator based on 2.4G according to claim 2, is characterized in that: described metal shell opposite side side plate is provided with two 2.4GSMA antenna terminal position mouths.