CN104730331B - A kind of power electrical power sensor and communication cabinet - Google Patents
A kind of power electrical power sensor and communication cabinet Download PDFInfo
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- CN104730331B CN104730331B CN201510042201.2A CN201510042201A CN104730331B CN 104730331 B CN104730331 B CN 104730331B CN 201510042201 A CN201510042201 A CN 201510042201A CN 104730331 B CN104730331 B CN 104730331B
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Abstract
The present invention relates to electrical detection technique fields, disclose a kind of power electrical power sensor and communication cabinet, and power electrical power sensor includes：Housing；The in vivo circuit board of shell is installed on, circuit board has control source interface, current acquisition module, voltage acquisition module, power module and metering communication module；Metering communication module is connected with current acquisition module signal and is connected with voltage acquisition module signal；Filtering isolation structure is equipped between current acquisition module and metering communication module and between voltage acquisition module and metering communication module.In above-mentioned power electrical power sensor, the electromagnetic interference signal and conducted interference signal that current acquisition module and voltage acquisition module generate when working do not interfere with metering communication module, the volume of power electrical power sensor is allow to be made small, and then transformation when can reduce the installation of power electrical power sensor to communication cabinet, the installation cost of reduction power electrical power sensor.
Description
Technical field
The present invention relates to electrical detection technique field, more particularly to a kind of power electrical power sensor and communication cabinet.
Background technology
In electrical detection technique field, with being mentioned to the equipment safety in utilization requirement such as communication cabinet and website, need
Power electrical power sensor is set in the equipment such as communication cabinet and website, with to the power in electronic equipment and electric energy progress
Detection.
In the prior art, current transformer and electric energy meter are used when being detected to the electric energy in electronic equipment and power more
It is used cooperatively, is connected wherein between mutual inductor and electric energy side by the output signal line of current transformer.
But the current transformer and electric energy meter used in said program is all to be copied by national standard for resident and enterprises and institutions
Table design, volume is all bigger, and the space very little in electronic equipment in cabinet, and the electronics used particularly has been put into and sets
There is no reserved enough spaces to meet the installation of the current transformer of this scheme and electric energy meter in standby cabinet, so as to cause
The installation transformation of current transformer and ammeter is complicated, and improvement expenses is high.
Therefore, how to reduce the technology that the installation cost of power electrical power sensor is those skilled in the art's urgent need to resolve to ask
One of topic.
The content of the invention
The present invention provides a kind of power electrical power sensor and communication cabinet, the power electrical power sensor it is compact-sized,
Small volume, and then transformation when power electrical power sensor is installed to communication cabinet can be reduced, the power electrical power sensor
Installation cost is low.
In a first aspect, a kind of power electrical power sensor is provided, including：
Housing；
The in vivo circuit board of the shell is installed on, the circuit board has control source interface, current acquisition module, voltage
Acquisition module, power module and metering communication module, wherein：
The voltage acquisition module is connected with the control source interface signal；
The metering communication module is connected with the current acquisition module signal and connects with the voltage acquisition module signal
It connects；
Between the current acquisition module and the metering communication module and the voltage acquisition module and the metering
Filtering isolation structure is equipped between communication module.
With reference to above-mentioned in a first aspect, in the first possible implementation, the current acquisition module is open type electricity
Current transformer.
With reference to the first possible realization method of above-mentioned first aspect, in second of possible realization method, the electricity
The housing is stretched out in one end of current transformer, and the hull outside is equipped with firewire cabling channel and firewire binding fixed mechanism.
It is described in the third possible realization method with reference to second of possible realization method of above-mentioned first aspect
The outside of housing is equipped with to cover the protective cover that the current transformer stretches out the housing position.
It is described in the 4th kind of possible realization method with reference to the third possible realization method of above-mentioned first aspect
Protective cover can turningly be installed on the housing around one side, and another side passes through at least a pair of card being mutually clamped
Button and grab are connected in the housing.
It is described in the 5th kind of possible realization method with reference to the first possible realization method of above-mentioned first aspect
Current transformer includes iron core, first winding and secondary winding, the output terminal of the secondary winding and the metering communication module
Signal connects.
With reference to above-mentioned in a first aspect, in the 6th kind of possible realization method, the metering communication module is walked including inside
Cabling be electrically connected inside line and the circuit board communication metering plate is arranged on the communication metering plate and is located at the communication
Metering plate is away from computation chip, the communication chip of the current acquisition module and voltage acquisition module one side；Wherein：
The computation chip is connected with the current acquisition module signal and is connected with the voltage acquisition module signal；
The communication chip is connected with the computation chip signal, and the communication module is led to equipped with short-distance wireless ad hoc network
Believe interface or wired communication interface.
It is described in the 7th kind of possible realization method with reference to the 6th kind of possible realization method of above-mentioned first aspect
The metering plate that communicates is equipped with copper foil shielding layer, to be formed between the current acquisition module and the metering communication module and
The filtering isolation structure being equipped between the voltage acquisition module and the metering communication module.
With reference to above-mentioned in a first aspect, in the 8th kind of possible realization method, the power module and the control source
Interface signal connects, and with pressure unit, rectification unit and filter unit, for the exchange for inputting control source interface
Electricity through by decompression, rectification, filtering transformation into direct current.
Second of possibility of the first possible realization method, first aspect with reference to above-mentioned first aspect, first aspect
Realization method, the third possible realization method of first aspect, the 4th kind of possible realization method, the firstth of first aspect
5th kind of possible realization method of aspect, the 6th kind of possible realization method of first aspect, the 7th kind of possible realization side
Formula, the 8th kind of possible realization method, in the 9th kind of possible realization method, the housing formed for in communication cabinet
Guide rail installation cooperation card slot.
Second of possibility of the first possible realization method, first aspect with reference to above-mentioned first aspect, first aspect
Realization method, the third possible realization method of first aspect, the 4th kind of possible realization method, the firstth of first aspect
5th kind of possible realization method of aspect, the 6th kind of possible realization method of first aspect, the 7th kind of possible realization side
Formula, the 8th kind of possible realization method, voltage acquisition module is adopted with the electric current described in the tenth kind of possible realization method
Filtering isolation board is equipped between collection module.
Second aspect provides a kind of communication cabinet, including guide rail, further includes as any one in what is provided in above-mentioned technical proposal
Kind power electrical power sensor, the housing of the power electrical power sensor are installed on the guide rail.
The communication cabinet that the power electrical power sensor and second aspect provided with reference to above-mentioned first aspect provides, above-mentioned power
In electrical power sensor, current module provides operating voltage for each module, and the current information of acquisition is transferred to by current acquisition module
Metering communication module, and the information of voltage of acquisition is transferred to metering communication module, metering communication module by voltage acquisition module
Power and energy information and the power of acquisition and energy information is defeated are obtained according to the current information of acquisition and information of voltage
Send the detection to the backstage master station of communication cabinet, realized to communication cabinet power and electric energy；In above-mentioned power electrical power sensor, electricity
Isolated between stream acquisition module and metering communication module by filtering isolation structure, and voltage acquisition module and metering communication mould
Isolated between block by filtering isolation structure, therefore, the electromagnetism that current acquisition module and voltage acquisition module generate when working is done
Disturb signal and conducted interference signal and do not interfere with metering communication module, current acquisition module, voltage acquisition module and
It can be made compact between metering communication module, the volume of power electrical power sensor is allow to be made small, subtracts small power electric
Energy sensor the space occupied inside communication cabinet, and then can reduce when power electrical power sensor is installed to communication cabinet
Transformation reduces the installation cost of power electrical power sensor.
Description of the drawings
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to needed in the embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, without having to pay creative labor, others are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the theory structure schematic diagram for the power electrical power sensor that an embodiment of the present invention provides；
Fig. 2 be structure shown in Fig. 1 power electrical power sensor in one of protective cover pass through buckle between side and housing
A kind of structure diagram when coordinating with grab；
Cooperations of the Fig. 3 between another side of protective cover in the power electrical power sensor of structure shown in Fig. 1 and housing
Structure diagram.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment belongs to the scope of protection of the invention.
It please refers to Fig.1, power electrical power sensor provided in this embodiment, including：
Housing 1；
There is control source interface A, current acquisition module 23, voltage to adopt for the circuit board 2 being installed in housing 1, circuit board 2
Collect module 21, power module 22 and metering communication module 24, wherein：
Voltage acquisition module 21 is connected with control source interface a-signal；
Metering communication module 24 is connected with 23 signal of current acquisition module and is connected with 21 signal of voltage acquisition module；
Between current acquisition module 23 and metering communication module 24 and voltage acquisition module 21 and metering communication module 24
Between be equipped with filtering isolation structure.
In above-mentioned power electrical power sensor, current module 22 provides operating voltage for each module, and current acquisition module 23 will
The current information of acquisition is transferred to metering communication module 24, and the information of voltage of acquisition is transferred to meter by voltage acquisition module 21
Measure communication module 24, metering communication module 24 according to the current information and information of voltage of acquisition obtain power and energy information,
And the power of acquisition and energy information are delivered to the backstage master station of communication cabinet, it realizes to communication cabinet power and electric energy
Detection；In above-mentioned power electrical power sensor, by filtering isolation structure between current acquisition module 23 and metering communication module 24
Isolation, and isolated between voltage acquisition module 21 and metering communication module 24 by filtering isolation structure, therefore, current acquisition
The electromagnetic interference signal and conducted interference signal that module 23 and voltage acquisition module 21 generate when working do not interfere with meter
Communication module 24 is measured, can be made tight between current acquisition module 23, voltage acquisition module 21 and metering communication module 24
It gathers, the volume of power electrical power sensor is allow to be made small, reduce what power electrical power sensor occupied inside communication cabinet
Space, and then transformation when power electrical power sensor is installed to communication cabinet can be reduced, reduce the peace of power electrical power sensor
Dress up this.
In a kind of preferred embodiment, above-mentioned current acquisition module 23 is open type current transformer.Open type electric current is mutual
The accuracy of detection of sensor is higher, and then can improve the accuracy of detection of power electrical power sensor.
Specifically, as shown in Figure 1-Figure 3, when current acquisition module 23 is opening during current transformer, current transformer
Housing 1 is stretched out in one end, and 1 outside of housing is equipped with firewire cabling channel 11 and firewire binding fixed mechanism 12.Firewire cabling channel 11
And the setting of firewire binding fixed mechanism 12 can improve the stability coordinated between current transformer and firewire.
Certainly, in a kind of preferred embodiment, the outside of housing 1 is additionally provided with to cover current transformer stretching housing 1
The protective cover 3 at position.The position that protective cover 3 can stretch out current transformer housing 1 is protected, and improves current transformer work
Security when making.
Specifically, protective cover 3 can be mounted on housing 1 in several ways, and protective cover 3 can be overturn around one side
Ground is installed on housing 1, and another side is connected in housing by least a pair of buckle being mutually clamped and grab.Such as Fig. 3 institutes
Show, a side of protective cover 3 can be specifically mounted on by hinge 32 on housing 1, another side specifically can be by such as
Buckle 31 and grab 15 shown in Fig. 2 coordinate with housing 1.In this way, protective cover 3 can be raised easily, and then it is mutual to expose electric current
Sensor stretches out the position of housing 1, convenient for being safeguarded to current transformer.
In a kind of preferred embodiment, when above-mentioned current acquisition module 23 is the current transformer of open type, electric current is mutual
Sensor can specifically include iron core, first winding and secondary winding, output terminal and 24 signal of metering communication module of secondary winding
Connection.In above-mentioned current transformer, from electromagnetic induction principle, when tested electric current is electric through that will be generated during a winding once
Stream, therefore, tested electric current can generate two primary currents when passing through first winding and secondary winding successively, after two primary currents are converted
It can be detected.
In a kind of preferred embodiment, as shown in Figure 1, above-mentioned metering communication module 24 includes internal cabling and circuit board 2
The communication metering plate 25 of internal cabling electrical connection is arranged on communication metering plate 25 and is adopted positioned at communication metering plate 25 away from electric current
Collect computation chip, the communication chip of 21 one side of module 23 and voltage acquisition module；Wherein：
Computation chip is connected with 23 signal of current acquisition module and is connected with 21 signal of voltage acquisition module；
Communication chip is connected with computation chip signal, and communication module is equipped with short-distance wireless self-organized network communication interface or wired
Communication interface.
Communication chip connects the metric results of computation chip by short-distance wireless self-organized network communication interface or wire communication
The backstage master station of communication cabinet is defeated by oral instructions.
Specifically, in the power electrical power sensor of said structure, communication metering plate 25 is equipped with copper foil shielding layer, to be formed
It is equipped between current acquisition module 23 and metering communication module 24 and between voltage acquisition module 21 and metering communication module 24
Filtering isolation structure.
It is, of course, also possible to filtering isolation board is set away from the one side of communication chip and computation chip in communication metering plate 25,
And then isolate current acquisition module 23 and the electromagnetic interference of the generation of voltage acquisition module 21.
On the basis of the above embodiment, in a kind of preferred embodiment, power module 22 and the voltage of the setting of housing 1
Input interface a-signal connects, and with pressure unit, rectification unit and filter unit, for control source interface to be inputted
Alternating current through by decompression, rectification, filtering transformation into direct current.
For ease of realizing the assembling between above-mentioned power electrical power sensor and communication cabinet inner structure, as shown in Figure 1, housing
1 is formed with for the card slot 13 with the guide rail installation cooperation in communication cabinet.
Specifically, set on housing there are one formed card slot 13 a side wall adjusting block 14, the adjusting block 14 can along hang down
Housing 1 directly is slidably mounted in 13 extending direction of card slot, so as to realize card slot 13 by adjusting the position of adjusting block 14
The variation of lateral dimension enables card slot 13 to be suitable for the guide rail of plurality of specifications.
Certainly, on the basis of the respective embodiments described above, in order to reduce voltage acquisition module 21 and current acquisition module 23
Between electromagnetic interference, between voltage acquisition module 21 and current acquisition module 23 be equipped with filtering isolation board 26, filtering isolation board
26 setting, can be mutually isolated by voltage acquisition module 21 and current acquisition module 23, prevents electromagnetic interference between the two.
In addition, the present invention also provides a kind of communication cabinet, which includes guide rail, further includes the above embodiment
Any one power electrical power sensor of middle offer, the housing of power electrical power sensor are installed on guide rail.
Obviously, those skilled in the art can carry out the embodiment of the present invention various modification and variations without departing from this hair
Bright spirit and scope.In this way, if these modifications and changes of the present invention belongs to the claims in the present invention and its equivalent technologies
Within the scope of, then the present invention is also intended to comprising including these modification and variations.
Claims (11)
1. a kind of power electrical power sensor, which is characterized in that including：
Housing；
The in vivo circuit board of the shell is installed on, the circuit board has control source interface, current acquisition module, voltage acquisition
Module, power module and metering communication module, wherein：
The voltage acquisition module is connected with the control source interface signal；
The metering communication module is connected with the current acquisition module signal and is connected with the voltage acquisition module signal；
Between the current acquisition module and the metering communication module and the voltage acquisition module and the metering communication
Filtering isolation structure is equipped between module；
The housing is formed for the card slot with the guide rail installation cooperation in communication cabinet, and sets that there are one formed on the housing
The adjusting block of one side wall of the card slot, the adjusting block are slided along perpendicular to the direction of card slot extension with the housing
Connection.
2. power electrical power sensor according to claim 1, which is characterized in that the current acquisition module is open type electricity
Current transformer.
3. power electrical power sensor according to claim 2, which is characterized in that institute is stretched out in one end of the current transformer
Housing is stated, and the hull outside is equipped with firewire cabling channel and firewire binding fixed mechanism.
4. power electrical power sensor according to claim 3, which is characterized in that the outside of the housing is equipped with to cover
The current transformer stretches out the protective cover at the housing position.
5. power electrical power sensor according to claim 4, which is characterized in that the protective cover can be turned over around one side
It is installed on the housing with turning, and another side is connected in the shell by least a pair of buckle being mutually clamped and grab
Body.
6. power electrical power sensor according to claim 2, which is characterized in that the current transformer includes iron core, one
Secondary winding and secondary winding, the output terminal of the secondary winding are connected with the metering communication module by signal.
7. power electrical power sensor according to claim 1, which is characterized in that the metering communication module is walked including inside
Cabling be electrically connected inside line and the circuit board communication metering plate is arranged on the communication metering plate and is located at the communication
Metering plate is away from computation chip, the communication chip of the current acquisition module and voltage acquisition module one side；Wherein：
The computation chip is connected with the current acquisition module signal and is connected with the voltage acquisition module signal；
The communication chip is connected with the computation chip signal, and the communication module connects equipped with short-distance wireless self-organized network communication
Mouth or wired communication interface.
8. power electrical power sensor according to claim 7, which is characterized in that the communication metering plate is equipped with copper foil screen
Layer is covered, to be formed between the current acquisition module and the metering communication module and the voltage acquisition module and described
The filtering isolation structure being equipped between metering communication module.
9. power electrical power sensor according to claim 1, which is characterized in that the power module and the control source
Interface signal connects, and with pressure unit, rectification unit and filter unit, for the exchange for inputting control source interface
Electricity through by decompression, rectification, filtering transformation into direct current.
10. according to claim 1~9 any one of them power electrical power sensor, which is characterized in that the voltage acquisition module
Filtering isolation board is equipped between the current acquisition module.
11. a kind of communication cabinet, including guide rail, which is characterized in that further include such as claim 1~10 any one of them power
Electrical power sensor, the housing of the power electrical power sensor are installed on the guide rail.
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| CN201510042201.2A CN104730331B (en) | 2015-01-27 | 2015-01-27 | A kind of power electrical power sensor and communication cabinet |
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| CN201510042201.2A CN104730331B (en) | 2015-01-27 | 2015-01-27 | A kind of power electrical power sensor and communication cabinet |
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| CN104730331B true CN104730331B (en) | 2018-05-18 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106018944A (en) * | 2016-08-11 | 2016-10-12 | 国网新疆电力公司信息通信公司 | Multifunctional communication machine cabinet |
| CN111337742B (en) * | 2020-02-25 | 2023-01-20 | 广东电网有限责任公司 | Distribution network short-term load prediction data acquisition equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201060235Y (en) * | 2007-07-13 | 2008-05-14 | 中国北车集团大同电力机车有限责任公司 | Watthour meter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0879901A (en) * | 1994-09-06 | 1996-03-22 | Toshiba Corp | Controller for electric vehicle |
| CN201392354Y (en) * | 2009-04-27 | 2010-01-27 | 湖北盛佳电器设备有限公司 | Electric energy metering device of modularized assembly |
| CN101788577A (en) * | 2010-02-08 | 2010-07-28 | 白在铭 | Open-close type B-PLC intelligent electric energy meter |
| CN102023244A (en) * | 2010-10-26 | 2011-04-20 | 江苏多维科技有限公司 | Independently-packaged electric meter sensor |
| CN202533781U (en) * | 2012-04-24 | 2012-11-14 | 三门峡中原量仪股份有限公司 | Machine tool efficiency monitor system |
| US9267972B2 (en) * | 2013-02-14 | 2016-02-23 | Infineon Technologies Austria Ag | Integrated galvanically isolated meter devices and methods for making integrated galvanically isolated meter devices |
| CN103389423A (en) * | 2013-07-23 | 2013-11-13 | 山西乐普节能技术有限公司 | Power quality analyzer |
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2015
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201060235Y (en) * | 2007-07-13 | 2008-05-14 | 中国北车集团大同电力机车有限责任公司 | Watthour meter |
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