CN208780796U - A kind of current of electric data acquisition device of CT power supply - Google Patents
A kind of current of electric data acquisition device of CT power supply Download PDFInfo
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- CN208780796U CN208780796U CN201821418192.8U CN201821418192U CN208780796U CN 208780796 U CN208780796 U CN 208780796U CN 201821418192 U CN201821418192 U CN 201821418192U CN 208780796 U CN208780796 U CN 208780796U
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Abstract
The utility model provides a kind of current of electric data acquisition device of CT power supply, including compound CT mechanism, data gather computer structure and wireless communication mechanisms；Compound CT mechanism uses recombination current mutual inductor, first, second iron core winding is an entirety by insulating materials plastic packaging, first, second iron core winding respectively corresponds the first, second secondary coil, and a phase cable of motor feed circuit passes through recombination current mutual inductor inner ring；The utility model can sample motor internal temperature and vibration signal, can also be sampled to supply current signal, data storage, remote radio communication；Electricity is taken using electric machine built-in recombination current is transformer induced, solves the problems, such as to be routed in motor；The acquisition device is installed in motor junction box, is retained an external antenna and is carried out teledata transmitting-receiving, to realize the record of the information in motor operation course, state-detection, failure real-time collecting, diagnosis, processing, data encryption and long distance wireless upload etc..
Description
Technical field
The utility model relates to the motor data monitoring field of CT power supply more particularly to a kind of current of electric numbers of CT power supply
According to acquisition device.
Background technique
The large-size machine host equipment important as industrial drives dynamical system, running reliability of motor to factory run to
It closes important.Large-size machine status monitoring management system would know that electrical fault information and the source of trouble, the processing of prevention in advance, Jin Erti
The stability of high system is reduced and is lost caused by shutting down because of equipment fault；Motor manufacturing enterprise itself establishes the failure of electrizer
Database and diagnostic system not only can also provide technology to provide service with motor for the design of electrical motor of development phase
Guidance, and then improve the whole design level and quality of motor.
Motor data acquisition terminal needs independent power supply as the key physical equipment for obtaining data；It is existing
Power supply method is on-site cable wiring, and the motor data inside motor is arranged in extraneous plant-grid connection using cable and is acquired eventually
End, still, existing motor do not take into account that the interface of reserved external cable generally, lead to cable distribution occurred when developing
Difficult problem.
Utility model content
The purpose of this utility model is to provide a kind of current of electric data acquisition devices of CT power supply, can not change
On the basis of original motor installation and wiring, collected status data is sent to processing system by signal by wireless communication,
Facilitate and carries out data analyzing and diagnosing.
To achieve the goals above, the utility model uses following technical scheme:
A kind of current of electric data acquisition device of CT power supply, including compound CT mechanism, data gather computer structure and wireless
Communication agency；
The compound CT mechanism use recombination current mutual inductor, recombination current mutual inductor include the first, second iron core around
Group, the first, second iron core winding are an entirety by insulating materials plastic packaging, the first, second iron core winding respectively corresponds first,
One phase cable of the second secondary coil, motor feed circuit passes through recombination current mutual inductor inner ring；
The data gather computer structure includes acquisition mainboard and sampling module, and the acquisition mainboard is using CPU, on the CPU
It is integrated with A/D sample port, the sampling module includes current sampling device, the power input of CPU and the first secondary coil
Output end connection, the input terminal of current sampling device connect with the output end of the second secondary coil；
The data input pin of wireless communication mechanisms and the data output end of CPU connect, the power input of wireless communication mechanisms
End is connect with the output end of the first secondary coil.
The current sampling device includes sequentially connected current/voltage converter circuit, filter circuit and signal condition electricity
Road, the input terminal of current/voltage converter circuit are connect with the output end of the second secondary coil, the output end of signal conditioning circuit with
The input terminal of A/D sample port connects.
The sampling module further includes temperature acquisition apparatus and vibration sampling apparatus.
The data gather computer structure further includes clock module and power module, and the output end and CPU of clock module are always
Input terminal connection；Power module is connected by the power input of power control circuit and CPU.
The CPU uses the enhanced series of products of arm chip STM32F103, and the clock module uses clock chip RX-
8025, the power module uses Maxell company CR2450HR series button cell.
The data gather computer structure further includes storage module, and the storage module uses Samsung K9GBG08 series storage core
Piece.
The wireless communication mechanisms use USR-NB75-B5 type NB-IoT data transmission terminal.
The concrete mode that the input terminal of the current sampling device is connect with the output end of the second secondary coil are as follows: second is secondary
The output end of sideline circle is connect with the input terminal of CT power-supply circuit board, and the output end and current sample of CT power-supply circuit board fill
The input terminal connection set.
Sequentially connected rectification circuit, energy release circuit and DC-DC conversion are integrated on the CT power-supply circuit board
Circuit.
The utility model has the beneficial effects that
A kind of current of electric data acquisition device of CT power supply described in the utility model, can to motor internal temperature and
Vibration signal is sampled, and can also be sampled to supply current signal, data storage, remote radio communication；Utilize motor
Built-in recombination current is transformer induced to take electricity, is not necessarily to outer power supply, solves the problems, such as to be routed in motor；Acquisition device installation
Teledata transmitting-receiving is carried out in motor junction box, retaining an external antenna, to realize that the information in motor operation course is remembered
Record, state-detection, failure real-time collecting, diagnosis, processing, data encryption and long distance wireless upload etc..
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
The current of electric data acquisition device of a kind of CT power supply described in the utility model as shown in Figure 1:, including it is compound
CT mechanism, data gather computer structure and wireless communication mechanisms；The compound CT mechanism uses recombination current mutual inductor, recombination current
Mutual inductor include the first, second iron core winding, the first, second iron core winding by insulating materials plastic packaging be an entirety, first,
Second iron core winding respectively corresponds the first, second secondary coil, and a phase cable of motor feed circuit passes through recombination current mutual inductance
Device inner ring；The data gather computer structure includes acquisition mainboard and sampling module, and the acquisition mainboard uses CPU, collects on the CPU
At there is an A/D sample port, the sampling module includes current sampling device, the power input of CPU and the first secondary coil
Output end connection, the input terminal of current sampling device are connect with the output end of the second secondary coil；The data of wireless communication mechanisms
The output end of the connection of the data output end of input terminal and CPU, the power input of wireless communication mechanisms and the first secondary coil connects
It connects.
Preferred embodiment are as follows: the current sampling device include sequentially connected current/voltage converter circuit, filter circuit and
Signal conditioning circuit, the input terminal of current/voltage converter circuit are connect with the output end of the second secondary coil, signal conditioning circuit
Output end connect with the input terminal of A/D sample port, with guarantee acquisition current signal noiseless, and then guarantee monitoring result
Accuracy.
Preferred embodiment are as follows: the sampling module further includes temperature acquisition apparatus and vibration sampling apparatus, and the temperature is adopted
Sampling device and vibration sampling apparatus are respectively used to the temperature signal and vibration signal of acquisition rotor, and staff can also basis
Industry standard acquires other temperature signals and vibration signal.
Preferred embodiment are as follows: the data gather computer structure further includes clock module and power module, the output end of clock module
It is connect with the input terminal always of CPU；Power module is connected by the power input of power control circuit and CPU；The CPU is adopted
With the enhanced series of products of arm chip STM32F103, in order to record real time clock information, when the clock module uses
Clock chip RX-8025, average year cumulative errors are no more than 1 minute；The power module uses CR2450HR system, Maxell company
Column button cell still is able to reliably working in the environment of -40 DEG C to 125 DEG C, guarantees clock chip when external power supply stops
The normal timing of energy, i.e. CPU can work in suspend mode.
Preferred embodiment are as follows: the data gather computer structure further includes storage module, and the storage module uses Samsung K9GBG08
Serial storage chip, memory space is up to 128Gb.
Preferred embodiment are as follows: the wireless communication mechanisms use USR-NB75-B5 type NB-IoT data transmission terminal, do not need
Cable data connection, without radio network gateway, can be directly connected to internet, up to 4000 meters, network covers unobstructed communication distance
Lid range ratio GSM enhances 20dBm, and area coverage expands 100 times；The antenna of NB-IoT data transmission terminal is arranged outside motor.
Preferred embodiment are as follows: the specific side that the input terminal of the current sampling device is connect with the output end of the second secondary coil
Formula are as follows: the output end of the second secondary coil is connect with the input terminal of CT power-supply circuit board, the output end of CT power-supply circuit board
It is connect with the input terminal of current sampling device；Sequentially connected rectification circuit, energy are integrated on the CT power-supply circuit board
Release circuit and DC-DC conversion circuit；15V, 5V electricity are converted by recombination current mutual inductor output electric current using CT power-supply circuit
Pressure is consumed for data gather computer structure and wireless communication mechanisms.
A kind of current of electric data acquisition device of CT power supply described in the utility model, can to motor internal temperature and
Vibration signal is sampled, and can also be sampled to supply current signal, data storage, remote radio communication；Utilize motor
Built-in recombination current is transformer induced to take electricity, is not necessarily to outer power supply, solves the problems, such as to be routed in motor；Acquisition device installation
Teledata transmitting-receiving is carried out in motor junction box, retaining an external antenna, to realize that the information in motor operation course is remembered
Record, state-detection, failure real-time collecting, diagnosis, processing, data encryption and long distance wireless upload etc..
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (9)
1. a kind of current of electric data acquisition device of CT power supply, it is characterised in that: including compound CT mechanism, data gather computer
Structure and wireless communication mechanisms；
The compound CT mechanism uses recombination current mutual inductor, and recombination current mutual inductor includes the first, second iron core winding, the
One, the second iron core winding is an entirety by insulating materials plastic packaging, and the first, second iron core winding respectively corresponds first, second
One phase cable of secondary coil, motor feed circuit passes through recombination current mutual inductor inner ring；
The data gather computer structure includes acquisition mainboard and sampling module, and the acquisition mainboard uses CPU, integrates on the CPU
There is A/D sample port, the sampling module includes current sampling device, and the power input of CPU is defeated with the first secondary coil
Outlet connection, the input terminal of current sampling device are connect with the output end of the second secondary coil；
The data output end of the data input pins of wireless communication mechanisms and CPU connect, the power input of wireless communication mechanisms with
The output end of first secondary coil connects.
2. a kind of current of electric data acquisition device of CT power supply according to claim 1, it is characterised in that: the electric current
Sampling apparatus includes sequentially connected current/voltage converter circuit, filter circuit and signal conditioning circuit, current/voltage-converted
The input terminal of circuit is connect with the output end of the second secondary coil, and the output end of signal conditioning circuit is defeated with A/D sample port
Enter end connection.
3. a kind of current of electric data acquisition device of CT power supply according to claim 1, it is characterised in that: the sampling
Module further includes temperature acquisition apparatus and vibration sampling apparatus.
4. a kind of current of electric data acquisition device of CT power supply according to claim 1, it is characterised in that: the data
Collecting mechanism further includes clock module and power module, and the output end of clock module and the input terminal always of CPU connect；Power supply mould
Block is connected by the power input of power control circuit and CPU.
5. a kind of current of electric data acquisition device of CT power supply according to claim 4, it is characterised in that: the CPU
Using the enhanced series of products of arm chip STM32F103, the clock module uses clock chip RX-8025, the power supply mould
Block uses Maxell company CR2450HR series button cell.
6. a kind of current of electric data acquisition device of CT power supply according to claim 4, it is characterised in that: the data
Collecting mechanism further includes storage module, and the storage module uses Samsung K9GBG08 series storage chip.
7. a kind of current of electric data acquisition device of CT power supply according to claim 1, it is characterised in that: described wireless
Communication agency uses USR-NB75-B5 type NB-IoT data transmission terminal.
8. a kind of current of electric data acquisition device of CT power supply according to claim 1, it is characterised in that: the electric current
The concrete mode that the input terminal of sampling apparatus is connect with the output end of the second secondary coil are as follows: the output end of the second secondary coil with
The input terminal of CT power-supply circuit board connects, and the output end of CT power-supply circuit board and the input terminal of current sampling device connect.
9. a kind of current of electric data acquisition device of CT power supply according to claim 8, it is characterised in that: the CT takes
Sequentially connected rectification circuit, energy release circuit and DC-DC conversion circuit are integrated on electric circuit-board card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821418192.8U CN208780796U (en) | 2018-08-31 | 2018-08-31 | A kind of current of electric data acquisition device of CT power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821418192.8U CN208780796U (en) | 2018-08-31 | 2018-08-31 | A kind of current of electric data acquisition device of CT power supply |
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| CN208780796U true CN208780796U (en) | 2019-04-23 |
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| CN201821418192.8U Active CN208780796U (en) | 2018-08-31 | 2018-08-31 | A kind of current of electric data acquisition device of CT power supply |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761334A (en) * | 2018-08-31 | 2018-11-06 | 卧龙电气南阳防爆集团股份有限公司 | A kind of current of electric data acquisition device of CT power supplies |
-
2018
- 2018-08-31 CN CN201821418192.8U patent/CN208780796U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108761334A (en) * | 2018-08-31 | 2018-11-06 | 卧龙电气南阳防爆集团股份有限公司 | A kind of current of electric data acquisition device of CT power supplies |
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