CN208847765U - A kind of multifunction power monitoring device - Google Patents
A kind of multifunction power monitoring device Download PDFInfo
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- CN208847765U CN208847765U CN201821308615.0U CN201821308615U CN208847765U CN 208847765 U CN208847765 U CN 208847765U CN 201821308615 U CN201821308615 U CN 201821308615U CN 208847765 U CN208847765 U CN 208847765U
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- pcb board
- power monitoring
- monitoring device
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- conductive sheet
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Abstract
A kind of multifunction power monitoring device proposed by the present invention, including upper housing, lower case, upper layer pcb board, lower layer's pcb board, connecting terminal components, tapping screw, conductive sheet；The current transformer of multiple closed loop configurations that upper layer pcb board two sides are welded with the multiple terminations equidistantly arranged and equidistantly arrange；Conductive sheet punching overcurrent mutual inductor, collection voltages signal on termination, current transformer acquires current signal, and feeds back and arrive terminal；Its structure is simple, compact, and monitoring current range is big, and monitoring circuit quantity is more, and outside wiring is convenient, and assembly efficiency is high.
Description
Technical field
The utility model patent is related to a kind of multifunction power monitoring device, more particularly, to a kind of multiloop, online reality
When the electric power monitoring instrument that monitors, belong to technical field of electric power.
Background technique
Electric power monitoring instrument major function is to acquire the voltage for being detected power circuit, electric current live signal, and by dividing
Voltage, electric current, active power, reactive power, power factor, the electric parameters such as frequency, by communication interface agreement are calculated in analysis
Data progress is transmitted to terminal at a distance, realizes the intelligent monitoring of power grid.
Existing electric power monitoring instrument is primarily present following three kinds of forms: the first form, the circuit quantity of power monitoring
It is few, multiple electric power monitoring instruments must be just installed in order to meet the requirements, result in connect in electric power cabinet or distribution box one in this way
The cable wiring of secondary power circuit and secondary singal monitoring circuit is complicated, and cable wiring occupied space is big, and difficulty of construction is big, maintenance
Difficulty, it is at high cost；Closed Loop Hall in electric power monitoring instrument, is usually welded on PCB, passes through by another form
One section of flexible circuit conductor punching crosses Hall sensor, is returned flexible circuit conductor and outside by connecting terminal in electric power monitoring instrument both sides external
Road connection, the element that such mode uses is more, needs to increase short conducting wire connection, and wire producing trouble, assembly efficiency is low, and
And the electric power monitoring instrument of such mode can not be used to acquire big current loop；The third form is passed using the Hall of open loop
Sensor is welded on PCB, and outer lead is connect with the pcb terminal being welded on pcb board, such straight using open loop Hall sensor
The mode being welded on pcb board is connect, acquisition current range is smaller, and precision is low, and temperature drift is big, higher cost.The above several ways
All there is limitation.
In view of the above shortcomings of the prior art, the utility model patent proposes a kind of completely new compact, low in cost,
Monitoring current range is big, the multifunction power monitoring device more than monitoring circuit quantity.
Summary of the invention
A kind of multifunction power monitoring device that the utility model patent proposes, including upper housing, lower case, upper layer PCB
Plate, lower layer's pcb board, connecting terminal components, tapping screw, conductive sheet；The upper layer pcb board two sides are welded with equidistant row
Multiple terminations of column are welded with the current transformer of the multiple closed loop configurations equidistantly arranged among the pcb board of upper layer, into one
Step, current transformer pin is welded on the pcb board of upper layer, is connected with current acquisition circuit；The termination includes
Screw, lift plate, pressing line frame are provided with characteristic threads at the top of the pressing line frame, and bottom is provided with support arm, and with it is upper
The welding pin that is connected of layer pcb board is preferable to provide as 6 square pins, and adopts in the interim pins of wherein side
Collecting voltage signal；Cable-through hole in the current transformer is aligned with the square hole center of the pressing line frame on termination.
The conductive sheet punching overcurrent mutual inductor, conductive sheet two sides are provided with hook feature and the impression of solidus is special
The fold characteristics that sign and doubling are overlapped, conductive sheet both ends are placed on the pcb board of upper layer in the square hole of corresponding pressing line frame.
The upper housing is provided with for the wiring window of external cabling and for the screw hole of fastening screw, in upper casing
The intermediate position in internal portion is provided with the support rim structure for compressing conductive sheet downwards；Further, inside upper housing
Surrounding is provided with the fixed column for fixing tapping screw.
The upper housing and lower case cooperate upper layer pcb board, lower layer's pcb board clip therebetween, by from
It attacks screw and electric power monitoring instrument is connected into an organic whole.
The upper layer pcb board is communicatively coupled with lower layer's pcb board by plug-in type pcb terminal.
The connecting terminal components are plug-in structure, and side is welded on lower layer's pcb board, and other side connection is external
Transmission line will analyze obtained electric current, voltage, active power, reactive power, power factor, the electric parameters such as frequency in real time
It is transferred to terminal, the communication interface modules is RS485 communication interface.
Compared with prior art, the beneficial effect of the utility model patent is: the utility model proposes multifunction power
Monitoring device, structure is simple, compact, low in cost, and monitoring current range is big, and monitoring circuit quantity is more, secondary circuit
Regular outside wiring is convenient together, assembly efficiency height；When monitoring data feeds back exception, electric power monitoring instrument can be rapid
Judge which circuit goes wrong, can quickly assist excluding power failure, improve diagnosis efficiency.
Detailed description of the invention
The utility model patent is described in further detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is a kind of multifunction power monitoring device decomposition diagram in the utility model patent.
Fig. 2 is a kind of multifunction power monitoring device partial perspective cross-sectional figure in the utility model patent.
Fig. 3 is a kind of perspective view in the one of circuit of multifunction power monitoring device in the utility model patent.
Fig. 4 is that a kind of one of circuit of multifunction power monitoring device hides the vertical of upper housing in the utility model patent
Body figure.
Fig. 5 is a kind of conductive sheet outside drawing of multifunction power monitoring device in the utility model patent.
Fig. 6 is the termination outside drawing in the utility model patent in a kind of multifunction power monitoring device.
Appended drawing reference title
1 upper housing；101 wiring windows；102 support rims；103 fixed columns；104 screw holes；2 upper layer PCB
Plate；3 lower layer's pcb boards；4 tapping screws；5 lower cases；6 connecting terminal components；7 current transformers；8 conductive sheets；801
Link up with feature；802 fold characteristics；803 indentation features；9 terminations；91 screws；92 lift plates；93 pressing line frames；931
Screw thread；932 support arms；933 welding pins.
Specific embodiment
In order to which technical problem, technical solution and beneficial effect solved by the invention is more clearly understood, tie below
Accompanying drawings and embodiments are closed, the invention patent is further elaborated.It should be appreciated that specific embodiment described herein
It is only used to explain the invention patent, be not intended to limit the present invention.
The utility model patent is described further with reference to the accompanying drawings and embodiments.
As shown in Fig. 1 ~ 6, a kind of multifunction power monitoring device that the utility model patent provides, including upper housing (1),
Lower case (5), upper layer pcb board (2), lower layer's pcb board (3), connecting terminal components (6), tapping screw (4), conductive sheet (8)；Institute
Upper layer pcb board (2) two sides stated are welded with the multiple terminations (9) equidistantly arranged, the weldering among pcb board (2) on upper layer
It is connected to the current transformer (7) of equidistant multiple closed loop configurations, current transformer (7) pin is welded on upper layer pcb board (2)
On, it is connected with the current acquisition circuit on pcb board.
The termination (9) includes: screw (91), lift plate (92), pressing line frame (93).
It is provided with screw thread (931) feature at the top of the pressing line frame (93), is provided with support arm (932) in bottom, and
The welding pin (933) being connected with upper layer pcb board (2) is preferable to provide as 6 square pins, pcb board route and crimping
Intermediate welding pin (933) of frame (93) side is connected, and has thus collected through conductive sheet (8) voltage signal；Support
The height of arm (932) is designed according to the height of the centre bore of current transformer (7)；In the current transformer (7)
Cable-through hole is aligned with pressing line frame (93) square hole center on termination (9).
Described conductive sheet (8) the punching overcurrent mutual inductor (7), conductive sheet (8) two sides are provided with hook feature (801),
Conductive sheet front and back play is limited, both ends are provided with the indentation feature (803) of solidus, and the fold characteristics for passing through doubling
(802), conductive sheet (8) is overlaped by doubling improves conducting electric current ability；Conductive sheet (8) both ends are placed on upper layer PCB
On plate on the square hole of corresponding pressing line frame (93), the conductive channel of primary circuit is constituted in multifunctional monitoring gauge internal.
Further, under screw thread (931) interaction on the screw (91) and pressing line frame (93), lift plate is driven
(92) it moves up and down in pressing line frame (93), conductive sheet (8) is fixed with external return conductor, is connected into a complete loops.
The upper housing (1) is provided with for the wiring window (101) of external cabling and for being cut fastening screw
Screw hole (104), support rim (102) structure is set at upper housing (1) internal intermediate position, in upper housing (1) installation
When on to lower case (5), support rim (102) compresses downwards conductive sheet (8), prevents it from moving in multifunctional monitoring instrument；
Further, upper housing (1) inside circumference is provided with the fixed column (103) for fixing tapping screw (4).
The upper housing (1) and lower case (5) cooperates upper layer pcb board (2), and lower layer's pcb board (3) clip is at it
Electric power monitoring instrument is connected into an organic whole by tapping screw (4) by centre.
The upper layer pcb board (2) and lower layer's pcb board (3) carries out signal communication by plug-in type pcb terminal.
The connecting terminal components (6) are plug-in structure, and the side of connecting terminal components is welded on lower layer's pcb board
(3) on, other side connects external transmission lines road, and the signal for secondary circuit connects.
In the implementation case, as shown in Fig. 1 ~ 6, a kind of multifunctional monitoring instrument independently monitors 15 tunnel primary circuits, by one
Minor loop is connected in series in multifunctional monitoring instrument by termination (9), and real-time collected electric current, voltage signal pass through
The electric current that analytical calculation obtains, voltage, active power, reactive power, power factor, the electric parameters value such as frequency, according to communication
Interface protocol is transferred to terminal by connecting terminal components (6), and when monitoring data feeds back exception, electric power monitoring instrument can be fast
Speed judges which circuit goes wrong, and can quickly assist excluding power failure, improve diagnosis efficiency.
Above-described is only preferred embodiment of the invention, and the content being not intended to restrict the invention is all
Any modifications, equivalent replacements, and improvements etc. done within the spirit and principles in the present invention, should be included in protection of the invention
Within the scope of.
Claims (5)
1. a kind of multifunction power monitoring device, including upper housing (1), lower case (5), upper layer pcb board (2), lower layer's pcb board
(3), connecting terminal components (6), tapping screw (4), conductive sheet (8)；It is characterized by: described upper layer pcb board (2) two sides
The multiple terminations (9) equidistantly arranged are welded with, are welded with the multiple closed loop configurations equidistantly arranged among the pcb board of upper layer
Current transformer (7)；The termination (9) includes screw (91), lift plate (92), pressing line frame (93), the pressure
It is provided with screw thread (931) feature at the top of wire frame (93), bottom is provided with support arm (932), and be connected with upper layer pcb board
Welding pin (933), be preferable to provide as 6 square pins；The cable-through hole of the current transformer (7) and wiring fill
Set pressing line frame (93) the square hole center alignment on (9).
2. a kind of multifunction power monitoring device according to claim 1, it is characterised in that: the conductive sheet (8) two
Side is provided with hook feature (801) and indentation feature (803) and the fold characteristics (802) of doubling coincidence are further led
Electric piece (8) punching overcurrent mutual inductor (7).
3. a kind of multifunction power monitoring device according to claim 1, it is characterised in that: the upper housing (1) is set
It is equipped with wiring window (101) and screw hole (104), further, it is convex that the internal intermediate position of upper housing (1) is provided with support
Platform (102), further, support rim compress downwards conductive sheet (8)；Further, it is arranged in upper housing (1) inside circumference
There is the fixed column (103) for fixing tapping screw (4).
4. a kind of multifunction power monitoring device according to claim 1, it is characterised in that: the upper housing (1) with
For lower case (5) by upper layer pcb board (2), it is organic that lower layer's pcb board (3) clip connects into one therebetween, by tapping screw (4)
Entirety.
5. a kind of multifunction power monitoring device according to claim 1, it is characterised in that: the upper layer pcb board (2)
It is communicatively coupled with lower layer's pcb board (3) by plug-in type pcb terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821308615.0U CN208847765U (en) | 2018-08-15 | 2018-08-15 | A kind of multifunction power monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821308615.0U CN208847765U (en) | 2018-08-15 | 2018-08-15 | A kind of multifunction power monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN208847765U true CN208847765U (en) | 2019-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821308615.0U Active CN208847765U (en) | 2018-08-15 | 2018-08-15 | A kind of multifunction power monitoring device |
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| CN (1) | CN208847765U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732392A (en) * | 2018-08-15 | 2018-11-02 | 成都瑞联电气股份有限公司 | A kind of multifunction power monitoring device |
-
2018
- 2018-08-15 CN CN201821308615.0U patent/CN208847765U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732392A (en) * | 2018-08-15 | 2018-11-02 | 成都瑞联电气股份有限公司 | A kind of multifunction power monitoring device |
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