A kind of current transformer fault wave recording device and system
Technical field
The utility model relates to a kind of device that current transformer failure wave-recording signal is recorded, and also relates to a kind of system that current transformer failure wave-recording signal is recorded.
Background technology
Existing current transformer fault recording system refers generally to the fault recording system of the inner prearranged signals of current transformer, supervisory signal is the built-in variable of current transformer often, in the time need to monitoring the record ripple signal of non-current transformer definition, conventionally need to install third party's wave recording device additional temporarily, because third party's wave recording device there is no and coordinates with current transformer, cause the equal possibility of timestamp, data layout of the final recorder data of third party's wave recording device and current transformer fault recording system inconsistent, data analysis is used inconvenience.Meanwhile, because third party's wave recording device does not generally possess networking Centralized Monitoring ability, cannot realize remote centralized control management.
Utility model content
One of the technical problems to be solved in the utility model is, a kind of current transformer fault wave recording device is provided, and overcomes sampled signal deficiency that existing current transformer fault wave recording device exists, or the defect that do not coordinate asynchronous with current transformer.
Two of the technical problems to be solved in the utility model is, a kind of current transformer fault recording system is provided, and what overcome that existing current transformer fault wave recording device exists does not possess networking function, cannot realize the defect of remote centralized control, management and analysis.
The utility model solves the technical scheme that one of its technical matters adopts: construct a kind of current transformer fault wave recording device, it is characterized in that, comprise record ripple unit and collecting unit;
Storer, network interface and bus interface A that this record ripple unit comprises processor A, is connected with this processor A;
Bus interface B and IO interface that this collecting unit comprises processor B, is connected with this processor B;
Described bus interface A is by communication bus and bus interface B communication connection.
In current transformer fault wave recording device of the present utility model, described communication bus is Ethernet bus, UART bus or CAN bus.
In current transformer fault wave recording device of the present utility model, described processor A is ARM9 processor, ARM CorteA8 series processors or ARM Cortex-A9 series processors.
In current transformer fault wave recording device of the present utility model, described processor B is ARMCortex-M3 series processors or ARM Cortex-M4 series processors.
In current transformer fault wave recording device of the present utility model, described record ripple unit is one, and described collecting unit is multiple.
The utility model solves the technical scheme that two of its technical matters adopts: construct a kind of current transformer fault recording system, it is characterized in that, comprise current transformer, current transformer fault wave recording device, long-range recording management device and sensor;
This current transformer fault wave recording device comprises record ripple unit and collecting unit; Storer, network interface and bus interface A that this record ripple unit comprises processor A, is connected with this processor A; Bus interface B and IO interface that this collecting unit comprises processor B, is connected with this processor B; Described bus interface A is by communication bus and bus interface B communication connection;
Described current transformer is connected with described current transformer fault wave recording device IO interface communication by its IO mouth, described sensor connects the IO interface of this current transformer fault wave recording device, and described current transformer fault wave recording device is by its network interface and described long-range recording management device communication connection.
In current transformer fault recording system of the present utility model, described current transformer fault wave recording device is by Ethernet or cable network and described long-range recording management device communication connection.
In current transformer fault recording system of the present utility model, described long-range recording management device is one, and described current transformer fault wave recording device is multiple.
Implement current transformer fault wave recording device of the present utility model and system, compared with the prior art, its beneficial effect is:
1. pair current transformer prearranged signals record ripple supplements, and coordinates current transformer to complete the record ripple of the non-prearranged signals of expansion;
2. provide high sampling rate data by wave recording device, current transformer fault recorder data sampling rate is supplemented;
3. solve that third party expander tool synchronize with current transformer, the deficiency of cooperation aspect, the convenient analysis use of sampled data;
4. manage numerous wave recording devices concentratedly by long-range recording management device, be convenient to data centralization management and analyze use.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model current transformer fault recording system.
Fig. 2 is the structural representation of the utility model current transformer fault wave recording device.
Fig. 3 is the complete structure schematic diagram of a kind of embodiment of the utility model current transformer fault recording system.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As shown in Figure 1 to Figure 3, the utility model current transformer fault wave recording device 20 comprises record ripple unit 21 and collecting unit 22.
Record ripple unit 21 comprises processor 212, storer 213, network interface 211 and bus interface 214, and storer 213, network interface 211 and bus interface 214 are connected respectively processor 212.
Collecting unit 22 comprises collecting unit processor 222, bus interface 221 and IO interface 223, and bus interface 221 is connected with collecting unit processor 222 respectively with IO interface 223.
The bus interface 214 of record ripple unit 21 communicates to connect by the bus interface 221 of communication bus and collecting unit 22.
Above-mentioned communication bus can adopt and include but not limited to Ethernet bus, UART bus or CAN bus.
The processor 212 of record ripple unit 21 can adopt and include but not limited to ARM9 processor, ARMCortex-A8 series processors or ARM Cortex-A9 series processors.。The processor 212 of record ripple unit 21 is controlled collecting unit and the sampled data receiving is carried out to computing, stores and be forwarded to long-range recording management device (seeing following) for coordinating.
The processor 222 of collecting unit 22 can adopt and include but not limited to ARM Cortex-M3 series processors or ARM Cortex-M4 series processors.The processor 222 of collecting unit 22 for reading, rough handling adopts data and sampling data transmitting delivered to record ripple unit.
In the various embodiments described above, record ripple unit 21 quantity be one, the quantity of collecting unit 22 can be one, two or more (as collecting unit 22a, 22b in Fig. 2 ... 22n).
As shown in Figure 1 to Figure 3, the utility model current transformer fault recording system comprises current transformer 30, current transformer fault wave recording device 20, long-range recording management device 10 and sensor (not shown).
Current transformer fault wave recording device adopts above-mentioned the utility model current transformer fault wave recording device.
Current transformer 30 is connected with the IO interface communication of current transformer fault wave recording device 20 by its IO mouth, and particularly, before 20 work of current transformer fault wave recording device, current transformer will send a record ripple synchronizing signal to current transformer fault wave recording device 20 by IO mouth.
Sensor connects the IO interface of this current transformer fault wave recording device 20, signal bag analog signals, digital quantity signal that sensor gathers.
Current transformer fault wave recording device 20 communicates to connect with long-range recording management device 10 by its network interface 211.Current transformer fault wave recording device 20 communicates to connect by including but not limited to Ethernet or cable network and long-range recording management device 10.
The quantity of long-range recording management device is one, the quantity of current transformer fault wave recording device 20 can be one, two or more (as the 20a in Fig. 3 ..., 20n), each current transformer fault wave recording device 20 current transformer corresponding with it connects.
Long-range recording management device 10 is connected by communication port with one or more current transformer fault wave recording devices 20, realizes the storage of fault recorder data, Centralized Monitoring, management and analytic function.