A kind of concentrator of installed module communication module
Technical field
The utility model belongs to power industry, is specifically related to a kind of collection intelligent electric energy meter management of information device.
Background technology
Concentrator is in the power industry, collects the data of intelligent electric energy meter and it is handled and stores, and can realize the equipment of exchanges data with main website or handheld device.Present concentrator communication technology standard disunity, each device fabrication producer all is a communication mode of selecting acquisition system according to various places user's demand, the concentrator communication interface of designs fix, a concentrator can only adopt a kind of communication mode.Fast development along with the communication technology, the user can select the communication technology that response speed is fast, communication efficiency good, expense is low at any time according to need of work fully, but because various concentrator communication interface disunities, if the user changes the communication technology, can only be by the mode of new concentrator of buying or replacing entire equipment, increased meaningless expense and difficulty of construction, and great in constructing amount, the cycle is long.
The utility model content
Single for solving in the prior art concentrator communication module, can not change the problem of communication pattern according to actual conditions, the utility model provides a kind of remote communication interface and local communication interface all to adopt the new concentrator of modular design, guarantee that various remote communication module and local communication module that concentrator uses realize interconnected separately, intercommunication, specific as follows: a kind of concentrator of installed module communication module, comprise the display screen that is installed on the shell, built-in mainboard, communication interface that connects on the mainboard and connection terminal, it is characterized in that, by remote communication module interface and local communication module interface difference correspondence telecommunication substrate and the local substrate of communicating by letter are installed on the described mainboard, on the described telecommunication substrate remote communication module and signal receiver are installed, on the described local communication substrate local communication module are installed.
Another optimal way of the present utility model: described remote communication module interface is double 30 needle sockets, and described local communication module interface is double 22 needle sockets.
Another optimal way of the present utility model: described telecommunication substrate is connected with the remote communication module interface by 30 needle tubing pin, and described local communication substrate is connected with local communication module interface by 22 needle tubing pin.
Another optimal way of the present utility model: described remote communication module is in 230MHz private network, GPRS wireless public network, cdma wireless public network or the Ethernet chip any.
Another optimal way of the present utility model: described local communication module is that micropower is wireless, in power line carrier or the Ethernet chip any.
Another optimal way of the present utility model: on the carrier communication substrate of described installation power line carrier chip the carrier wave coupled circuit is installed, the carrier communication substrate of described installation carrier wave coupled circuit is connected with respective socket on the mainboard by double 20 needle tubing pin.
The utility model is with the communication module of solidifying in each concentrator in the prior art, again design, remote communication module and local communication module all are designed to the module of plug-in, formulate unified pin, the implication of each pin of specified in more detail, press the various communication channels of communication module interface design standards then, various communication chips are installed on the uniform communication module, make and realize between the various communication modes changing arbitrarily, when the user need change long-range or local communication pattern, only need plug the corresponding communication module gets final product, the local communication pattern of this programme concentrator, remote communication mode can change arbitrarily, user's replacement cost and difficulty of construction have been significantly reduced, guarantee that remote communication module and local communication module that concentrator uses realize interconnected separately, intercommunication and exchange design the technical standard of concentrator for standard, advance power consumer power information acquisition system to build, operation, maintenance provides technical guarantee.
Description of drawings
Fig. 1 the utility model concentrator structure synoptic diagram
Fig. 2 concentrator remote communication module interface synoptic diagram
The local communication module interface of Fig. 3 concentrator synoptic diagram
Fig. 4 concentrator carrier wave coupling interface synoptic diagram
Embodiment
Concentrator of the present utility model, comprise the display screen, the built-in mainboard 1 that are installed on the shell, communication interface that connects on the mainboard and connection terminal, as shown in Figure 1, local communication substrate 2 and telecommunication substrate 3 are plugged on mainboard 1 middle part side by side, and local communication substrate and telecommunication substrate all adopt modular design.
The telecommunication mode can be selected in 230MHz private network, GPRS wireless public network, cdma wireless public network, the Ethernet any at present for use.For making a concentrator can adapt to different telecommunication modes, this programme is installed in various communication chips on the telecommunication substrate 3 of unified specification, signal receiver 8 is installed below the telecommunication substrate, as shown in Figure 2, this programme has redesigned telecommunication substrate interface 9 on the mainboard 1, and telecommunication substrate interface 9 is designed to two rows totally 30 sockets, and the pin 7 of telecommunication substrate made corresponding 30 pins, and the specific definition of regulation pin, as shown in the table
Table one, telecommunication substrate pin definitions table
Concentrator interface board pin numbering |
Module corresponding pin numbering |
The signal classification |
Signal name |
Sense (at module) |
Explanation |
1,3,5 |
1,3,5 |
Power supply |
VDD 5V |
The power supply input |
The input of communication module power supply, 5V ± 0.25V, instantaneous maximum current 1.5A |
2 |
2 |
Power supply ground |
GND |
The power supply input |
The input of communication module power supply ground |
4 |
4 |
USB |
USB-HP |
The USB differential signal | USB HOST+ | |
6 |
6 |
USB |
USB-HN |
The USB differential signal |
USB HOST- |
7 |
7 |
Power supply ground |
GND |
The power supply input |
The input of communication module power supply ground |
8 |
8 |
Power supply |
VDDUSB |
The power supply input |
The input of USB interface power source special, 5V ± 0.1V, maximum current 500mA. |
9 |
9 |
Rs 232 serial interface signal |
RXD |
Output |
Module serial ports output signal (3.3V/TTL) |
10 |
10 |
Rs 232 serial interface signal |
RTS |
Input |
Module serial ports input signal (3.3V/TTL) |
11 |
11 |
Power supply ground |
GND |
The power supply input |
The input of communication module power supply ground |
12 |
12 |
Rs 232 serial interface signal |
CTS |
Output |
Module serial ports output signal (3.3V/TTL) |
13 |
13 |
Rs 232 serial interface signal |
TXD |
Input |
Module serial ports input signal (3.3V/TTL) |
14 |
14 |
Rs 232 serial interface signal |
DTR |
Input |
Module serial ports input signal (3.3V/TTL) |
15 |
15 |
Rs 232 serial interface signal |
DCD |
Output |
Module serial ports output signal (3.3V/TTL) |
16 |
16 |
Power supply ground |
GND |
The power supply input |
The input of communication module power supply ground |
17 |
17 |
Power supply ground |
RI |
Output |
Module serial ports output signal (3.3V/TTL) |
18 |
18 |
State recognition |
STATE3 |
Output |
Module type identification |
19 |
19 |
State recognition |
STATE4 |
Output |
Module type identification |
20 |
20 |
Module controls |
IGT |
Input |
The communication module control signal, communication module is in mode of operation (3.3V/TTL) during for " 1 " |
21 |
21 |
Power supply control |
PCTRL |
Input |
The modular power source control signal is turn-offed modular power source (3.3V/TTL) during for " 0 " |
22 |
22 |
Module controls |
RST |
Input |
The communication module reseting controling signal, communication module is in reset mode (3.3V/TTL) during for " 0 " |
23 |
23 |
Reserve |
NC |
Reserve |
Preserved signal does not have definition temporarily |
24 |
24 |
State recognition |
STATE0 |
Output |
Module type identification |
25 |
25 |
Power supply |
GND |
The power supply input |
The input of communication module power supply ground |
26 |
26 |
State recognition |
STATE1 |
Output |
Module type identification |
27 |
27 |
Power supply |
VCC3v3 |
The power supply input |
Logical circuit power, 3.3V ± 0.3V, maximum current 50mA |
28 |
28 |
State recognition |
STATE2 |
Output |
Module type identification |
29 |
29 |
Power supply |
VCC3v3 |
The power supply input |
The logical circuit working power, 3.3V ± 0.3V, maximum current 50mA |
30 |
30 |
Power supply |
GND |
The power supply input |
The input of communication module power supply ground |
This programme all is installed in communication chips such as 230MHz private network, GPRS wireless public network, cdma wireless public network, Ethernet on the telecommunication substrate 3 respectively, form different remote communication module 5, the user can be according to local network conditions, unwanted remote communication module 5 is pulled up the module of changing needs again, can finish the replacing of new network.
The local communication mode of concentrator has generally that micropower is wireless, power line carrier, Ethernet etc., this programme is installed in various local communication chips respectively on this locality communication substrate 2 of unified specification, as shown in Figure 3, this programme is formulated to 22 jacks with the communication of this locality on the concentrator mainboard 1 substrate interface 10, the pin 6 of each local communication substrate is made corresponding 22 pins, and stipulate that each pin defines accordingly, as shown in Table 2:
Table two, local communication substrate pin definitions
The local user selects the local communication module that oneself is fit to according to the network condition of locality.
When local communication module 4 is selected the power line carrier mode for use, on this locality communication substrate 2, need to install the carrier wave coupled circuit, the carrier wave coupled circuit is pegged graft by 20 contact pins of double parallel and the respective socket on the mainboard that are installed on the local communication substrate.Carrier wave coupling socket 11 on the mainboard as shown in Figure 4, wherein carrier wave coupling pin definitions is as shown in Table 3:
Table three, carrier wave coupling pin definitions
Sequence number |
The pin title |
Functional description |
1,2 |
A |
Electrical network A phase line is as the signal incoming end that is coupled |
3,45,6 |
NC |
Empty pin, the design of PCB landless, via hole is non-metallic, and the web member correspondence position does not have contact pin, is used to increase safe spacing, improves insulating property. |
7,8 |
B |
Electrical network B phase line is as the signal incoming end that is coupled |
9,10 11,12 |
NC |
Empty pin, the design of PCB landless, via hole is non-metallic, and the web member correspondence position does not have contact pin, is used to increase safe spacing, improves insulating property. |
13,14 |
C |
Electrical network C phase line is as the signal incoming end that is coupled |
15,16 17,18 |
NC |
Empty pin, the design of PCB landless, via hole is non-metallic, and the web member correspondence position does not have contact pin, is used to increase safe spacing, improves insulating property. |
19,20 |
N |
Electrical network N phase line is as the signal incoming end that is coupled |