CN206696340U - It is a kind of can powered installation without specific electric load acquisition terminal - Google Patents
It is a kind of can powered installation without specific electric load acquisition terminal Download PDFInfo
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- CN206696340U CN206696340U CN201720578498.9U CN201720578498U CN206696340U CN 206696340 U CN206696340 U CN 206696340U CN 201720578498 U CN201720578498 U CN 201720578498U CN 206696340 U CN206696340 U CN 206696340U
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- electric load
- acquisition terminal
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- load acquisition
- circuit
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Abstract
The utility model discloses it is a kind of can powered installation without specific electric load acquisition terminal, including shell body and internal electron circuit, the electronic circuit includes current transformer, current sampling unit, microprocessor unit, radio communication unit and PMU, the utility model is a kind of transformer primary side bus current harvester, it, which is arranged on side bus of transformer, is used to gather the actual current value on circuit and send the current data collected to the data receiving terminal of Circuit Fault on Secondary Transformer by micropower wireless channel, safety, reliably, use range is very broad.
Description
Technical field：
The utility model is related to it is a kind of can powered installation without specific electric load acquisition terminal, belong to power supply service technical field.
Background technology：
Although the development paper of primary side bus current harvester occurs again and again, has also there are several skills in market at present
The ripe current collecting device of art, but the common primary side bus current harvester in market must have a power failure installed when mounted
Operation, not only takes time and effort, while stop power transmission to bring certain economic loss to power supply enterprise.In order to capture transformer once
Side bus current collecting device must have a power failure the technical barrier of installation when installing, the utility model proposes open type transformer with
The structure of caliper brake shell one, the accuracy of current acquisition is improved while the powered installation of bus current harvester is realized
And stability.
Utility model content：
In view of the above-mentioned problems, the technical problems to be solved in the utility model be to provide it is a kind of can powered installation without specific electric load
Acquisition terminal.
It is of the present utility model it is a kind of can powered installation without specific electric load acquisition terminal, including shell body and internal electron line
Road, the internal electron circuit include current transformer, current sampling unit, microprocessor unit, radio communication unit and electricity
Source control unit, the current transformer, current sampling unit, microprocessor unit, radio communication unit are electrically connected with successively,
The current transformer is connected with PMU.
Preferably, A/D converting units are provided with the current sampling unit.
Preferably, the shell body is open type clamp structural housing, using ABS resin material.
Preferably, magnet steel and magnet steel housing are also equipped with the shell body.
Preferably, the microprocessor unit is made up of single-chip microcomputer, reset circuit and emulation interface.
Preferably, the radio communication unit is made up of communication chip and peripheral circuit.
Preferably, the PMU is by rectifier circuit, energy acquisition circuit and DC/DC circuit two parts groups
Into.
Preferably, the PMU output direct current.
Preferably, the radio communication unit is connected with distribution transformer secondary side receiving terminal.
The utility model beneficial effect：Acquisition terminal takes energy technology to obtain normal fortune from a bus bar side using induction coil
The required electric energy of row, without installing other power supplys；The plant maintenance cycle significantly postpones, so as to be provided for the equipment investment of user
Guarantee steady in a long-term；Acquisition terminal employs high-performance treatments chip, inner high speed bus, and hardware and software uses module
Change design, using micro power radio communication chip, there is the characteristics of being easy to inquire about, safeguarding；Voltage protection and energy using innovation
Measure leadage circuit, it is ensured that the device energy normal operation when running into lightning impulse current and transient fault high current operating mode；Using super
Energy-storage units of the level electric capacity as device, with capacity is big, energy is high, operating temperature range is wide and service life is extremely long etc. excellent
Point；Using the mounting means of innovation, it is ensured that safe and reliable during the powered installation of device；Using wide-range mentality of designing, widen
The use range of device.
Brief description of the drawings：
For ease of explanation, the utility model is described in detail by following specific implementations and accompanying drawing.
Fig. 1 is the utility model internal electron conspectus；
Fig. 2 is the utility model closure state and open state overall structure diagram；
Fig. 3 is microprocessor unit circuit figure；
Fig. 4 is current sampling unit circuit diagram；
Fig. 5 is PMU circuit diagram；
Fig. 6 is radio communication unit circuit diagram.
In figure：1- current transformers；2- current sampling units；3-A/D converting units；4- microprocessor units；5- is wireless
Communication unit；6- distribution transformer secondary side receiving terminals；7- PMUs.
Embodiment：
To make the purpose of this utility model, technical scheme and advantage of greater clarity, below by what is shown in accompanying drawing
Specific embodiment describes the utility model.However, it should be understood that these descriptions are merely illustrative, and it is not intended to limit this reality
With new scope.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily mixing
Confuse concept of the present utility model.
As shown in figures 1 to 6, the utility model provides a kind of technical scheme：It is a kind of can powered installation without specific electric load gather eventually
End, including shell body and internal electron circuit, the internal electron circuit include current transformer 1, current sampling unit 2, micro-
Processor unit 4, radio communication unit 5 and PMU 7, the current transformer 1, current sampling unit 2, microprocessor
Device unit 4, radio communication unit 5 are electrically connected with successively, and the current transformer 1 is connected with PMU 7.
Specifically, shell body is open type clamp structural housing, controls what it was open using the spring of multiple coefficient of elasticity
Opening and closing degree and elasticity, it uses ABS resin material, magnet steel and magnet steel housing is also equipped with shell body；Microprocessor unit 4 by
Single-chip microcomputer, reset circuit and emulation interface composition；Radio communication unit 5 is made up of communication chip and peripheral circuit；Power management
Unit 7 is made up of rectifier circuit, energy acquisition circuit and DC/DC circuit two parts；PMU 7 exports direct current；
Radio communication unit 5 is connected with distribution transformer secondary side receiving terminal 6；The circuit of current sampling unit 2 mainly has reference voltage
Circuit and amplifying circuit composition, current sampling unit 2 is interior to be provided with A/D converting units 3；Current collecting device is provided additionally with unicoil
Power taking characteristic, use the current-taking function and sampling functions of single coil realization device.
Its operation principle：Can powered installation without specific electric load acquisition terminal be arranged on distribution transformer primary side, pass through
Mutual inductor induction mode from circuit passive power taking and through PMU obtain direct current supply, precision current transformer warp
Primary side current is gathered by current sampling unit, then handled by microprocessor (MCU) calculating, regularly passes through micropower channel radio
News send current value to distribution transformer secondary side receiving terminal.
The advantages of general principle and principal character of the present utility model and the utility model has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification
Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also
Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model
Claimed scope is by appended claims and its equivalent thereof.
Claims (9)
1. it is a kind of can powered installation without specific electric load acquisition terminal, it is characterised in that：Including shell body and internal electron circuit, institute
Stating electronic circuit includes current transformer, current sampling unit, microprocessor unit, radio communication unit and power management list
Member, the current transformer, current sampling unit, microprocessor unit, radio communication unit are electrically connected with successively, the electric current
Transformer is connected with PMU.
2. it is according to claim 1 it is a kind of can powered installation without specific electric load acquisition terminal, it is characterised in that：The electric current
A/D converting units are provided with sampling unit.
3. it is according to claim 1 it is a kind of can powered installation without specific electric load acquisition terminal, it is characterised in that：The shell
Body is open type clamp structural housing, using ABS resin material.
4. it is according to claim 1 it is a kind of can powered installation without specific electric load acquisition terminal, it is characterised in that：The shell
It is also equipped with magnet steel and magnet steel housing in vivo.
5. it is according to claim 1 it is a kind of can powered installation without specific electric load acquisition terminal, it is characterised in that：Micro- place
Reason device unit is made up of single-chip microcomputer, reset circuit and emulation interface.
6. it is according to claim 1 it is a kind of can powered installation without specific electric load acquisition terminal, it is characterised in that：It is described wireless
Communication unit is made up of communication chip and peripheral circuit.
7. it is according to claim 1 it is a kind of can powered installation without specific electric load acquisition terminal, it is characterised in that：The power supply
Administrative unit is made up of rectifier circuit, energy acquisition circuit and DC/DC circuit two parts.
8. it is according to claim 1 it is a kind of can powered installation without specific electric load acquisition terminal, it is characterised in that：The power supply
Administrative unit exports direct current.
9. it is according to claim 1 it is a kind of can powered installation without specific electric load acquisition terminal, it is characterised in that：It is described wireless
Communication unit is connected with distribution transformer secondary side receiving terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720578498.9U CN206696340U (en) | 2017-05-23 | 2017-05-23 | It is a kind of can powered installation without specific electric load acquisition terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720578498.9U CN206696340U (en) | 2017-05-23 | 2017-05-23 | It is a kind of can powered installation without specific electric load acquisition terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206696340U true CN206696340U (en) | 2017-12-01 |
Family
ID=60448669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720578498.9U Active CN206696340U (en) | 2017-05-23 | 2017-05-23 | It is a kind of can powered installation without specific electric load acquisition terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206696340U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213542A (en) * | 2020-10-09 | 2021-01-12 | 和远智能科技股份有限公司 | Single-coil current sensor for electricity taking and measurement |
-
2017
- 2017-05-23 CN CN201720578498.9U patent/CN206696340U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112213542A (en) * | 2020-10-09 | 2021-01-12 | 和远智能科技股份有限公司 | Single-coil current sensor for electricity taking and measurement |
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