CN203563000U - Outdoor photovoltaic intelligent conflux box with wireless communication function - Google Patents

Abstract

The utility model discloses an outdoor photovoltaic intelligent conflux box with wireless communication function; a plurality of photovoltaic special-purpose fuses are respectively connected with an anode and a cathode of a solar cell array; the photovoltaic special-purpose fuses are respectively connected with the breaker through an anode busbar and a cathode busbar; the other end of the breaker is an anode/cathode output end connected with a data processing plate; the breaker is also connected with a lightning protection device; a grounding terminal of the lightning protection device is grounded; the lightning protection device is provided with a grounding output end; thephotovoltaic special-purpose fuse connected with the anode of the solar cell array is also connected with a current sampling plate. The outdoor photovoltaic intelligent conflux box with wireless communication function employs a wireless communication mode to complete communication networking, so early construction wiring difficulty and communication debug difficulty are greatly reduced; strong interference problem caused by parallel wiring of a communication line and a high voltage line is prevented, thereby improving stable stability of communication, and simultaneously reducing construction cost.

Description

Be applied to the outdoor photovoltaic intelligent header box with wireless communication function

Technical field

The utility model relates to a kind of device being applied in grid-connected photovoltaic system, relates in particular to a kind of outdoor photovoltaic intelligent header box with wireless communication function that is applied to.

Background technology

For large-sized photovoltaic grid-connected system, in order to reduce the connecting line between photovoltaic module and inverter, maintain easily, improve reliability, generally need between photovoltaic module and inverter, increase direct current collector-shoe gear.Photovoltaic combiner box is exactly specially designed in order to meet this requirement.Use photovoltaic combiner box, can be according to the direct voltage scope of inverter input, the photovoltaic module that the specification of some is identical is composed in series 1individual photovoltaic module tandem, then by several tandem access photovoltaic combiner boxes, by exporting after high-tension fuse and circuit breaker, facilitated the access of rear class inverter.And intelligent junction box is to have increased monitoring function on the basis of common header box, be about to the various parameters that need monitoring, such as each branch current, operating voltage, lightning fault etc. uploads to Control Room and monitors in real time.

Utility model content

The utility model object is exactly in order to make up the defect of prior art, and a kind of outdoor photovoltaic intelligent header box with wireless communication function that is applied to is provided.

The utility model is achieved through the following technical solutions:

Be applied to an outdoor photovoltaic intelligent header box with wireless communication function, include IP65 casing, a plurality of photovoltaic special fuses are installed in IP65 casing, just, negative bus-bar, circuit breaker, lightning protection device, current sample plate, data processing plate, Zigbee communication module and antenna, a plurality of photovoltaic special fuses are just connecting respectively solar panel array, negative pole, photovoltaic special fuse is just passing through respectively, negative bus-bar is connected with described circuit breaker, and the circuit breaker other end is for just, cathode output end, just, cathode output end is also connected with described data processing plate, on circuit breaker, be also connected with described lightning protection device, the earth terminal ground connection of lightning protection device, lightning protection device is provided with ground connection output, with be connected the anodal photovoltaic special fuse connecting of solar panel array on be also connected with current sample plate, current sample plate is connected with described data processing plate, described Zigbee communication module is arranged on data processing plate, one end of described antenna is arranged on Zigbee communication module, and the other end reaches IP65 casing outside by IP65 casing lateral opening hole.

The utility model has the advantages that: the utility model cabinet degree of protection is IP65, has the requirement that waterproof and dustproof meets outdoor mounted; Wide direct voltage input range, maximum access voltage can reach 1000VDC; Adopt the lightning protection device of photovoltaic special use, positive and negative all possess lightning protection function; The directly power taking from solar panel of the supply power voltage of data processing plate, without separately establishing power supply; Use the mode of 2.4G wireless telecommunications to complete communication networking, can carry out communication with host computer, the electric current of real-time monitoring battery plate array, the parameters such as voltage.Use the mode of wireless telecommunications to complete communication networking, having reduced greatly the difficulty of construction wiring in earlier stage and the difficulty of communication debugging, the strong jamming problem of having brought while also having avoided order wire with the parallel cabling of high-voltage line, has improved the reliability of communication simultaneously; Also reduced construction cost simultaneously.

Accompanying drawing explanation

Fig. 1 is electrical schematic diagram of the present utility model.

Fig. 2 is the utility model structure chart.

Fig. 3 organizes at most a sub-router with reference to figure mono-.

Fig. 4 organizes at most a sub-router with reference to figure bis-.

Embodiment

As Fig. 1, shown in 2, be a kind ofly applied to the outdoor photovoltaic intelligent header box with wireless communication function, include IP65 casing 1, a plurality of photovoltaic special fuses 2 are installed in IP65 casing 1, just, negative bus-bar 3, circuit breaker 4, lightning protection device 5, current sample plate 6, data processing plate 7, Zigbee communication module 8 and antenna, a plurality of photovoltaic special fuses 2 are just connecting respectively solar panel array, negative pole 9, 10, photovoltaic special fuse 2 is just passing through respectively, negative bus-bar 3 is connected with described circuit breaker 4, and circuit breaker 4 other ends are for just, cathode output end, just, cathode output end is also connected with described data processing plate 7, on circuit breaker 4, be also connected with described lightning protection device 5, earth terminal 11 ground connection of lightning protection device 5, lightning protection device 5 is provided with ground connection output, with be connected the photovoltaic special fuse 2 that solar panel array anodal 9 connects on be also connected with current sample plate 6, current sample plate 6 is connected with described data processing plate 7, described Zigbee communication module 8 is arranged on data processing plate 7, one end of described antenna is arranged on Zigbee communication module 8, and the other end reaches IP65 casing 1 outside by IP65 casing 1 lateral opening hole.

The both positive and negative polarity of solar panel array 1～n is received header box both positive and negative polarity fuse and through circuit breaker, lightning protection, is exported after header box copper bar confluxes.Wherein the positive electrode current of 6 pairs of each arrays of current sample plate is sampled, and then sampled data is passed to data processing plate 7 and is processed; Directly power taking from cell panel of data processing plate 7, Zigbee communication module is arranged on data processing plate, by 7 power supplies of data processing plate; One end of antenna is arranged in Zigbee module, and the other end reaches casing outside by cabinet lateral opening hole, and antenna, with high-intensity sucker base, can be adsorbed on battery board bracket or other adsorbable position with header box.

Thereby the networking between header box equipment is by making header box become the different nodes in communication network to the different station code of Zigbee module programming, and each node in network is by the wireless telecommunications of following network limit Configuration: maximum subitem-telegon and each are participated in router and can be supported nearly 20 estrade items, maximum 6 routers (at most subitem router) wherein, with reference to figure 3.Refer to Figure 2-02. depth capacity-maximum network degree of depth be 5-depth capacity be router equipment from Centroid to least significant end or the device equipment offspring that refers to network coordination person's level from, with reference to figure 4.Zigbee module is followed header box, and to lay place consistent, generally without doing special processing for the communication of zigbee module, if network distance is too far away, can by add the means such as route complete networking (according to actual header box equipment with monitor distance between receiving equipment suitable routing node is set).

Claims (1)

1. one kind is applied to the outdoor photovoltaic intelligent header box with wireless communication function, it is characterized in that: include IP65 casing, a plurality of photovoltaic special fuses are installed in IP65 casing, just, negative bus-bar, circuit breaker, lightning protection device, current sample plate, data processing plate, Zigbee communication module and antenna, a plurality of photovoltaic special fuses are just connecting respectively solar panel array, negative pole, photovoltaic special fuse is just passing through respectively, negative bus-bar is connected with described circuit breaker, the circuit breaker other end is for just, cathode output end, just, cathode output end is also connected with described data processing plate, on circuit breaker, be also connected with described lightning protection device, the earth terminal ground connection of lightning protection device, lightning protection device is provided with ground connection output, with be connected the anodal photovoltaic special fuse connecting of solar panel array on be also connected with current sample plate, current sample plate is connected with described data processing plate, described Zigbee communication module is arranged on data processing plate, one end of described antenna is arranged on Zigbee communication module, the other end reaches IP65 casing outside by IP65 casing lateral opening hole.

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