CN207081760U - A kind of direct current breaker of plastic casing leak current detection device - Google Patents
A kind of direct current breaker of plastic casing leak current detection device Download PDFInfo
- Publication number
- CN207081760U CN207081760U CN201721046746.1U CN201721046746U CN207081760U CN 207081760 U CN207081760 U CN 207081760U CN 201721046746 U CN201721046746 U CN 201721046746U CN 207081760 U CN207081760 U CN 207081760U
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- direct current
- plastic casing
- breaker
- detection device
- current breaker
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
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Abstract
A kind of direct current breaker of plastic casing leak current detection device, it includes direct current breaker of plastic casing (1) and DC leakage sensor (2), it is characterised in that：The leading-out terminal of the direct current breaker of plastic casing (1) is connected with DC leakage sensor (2), the DC leakage sensor (2) includes housing (201), the housing (201) is built with transformer (202), two conductors (203,203 ') are connected through transformer (202) with direct current breaker of plastic casing (1) leading-out terminal.Leakage current sensor current supply circuit and order circuit are integrated together by the leak current detection device, are provided real-time, accurate data for remote monitoring, are realized and installed with circuit breaker modularized.Accuracy of detection is not only increased, providing front-end technology for Intelligent control supports, exportable alarm signal during circuit exception, effectively protects power distribution system secure；Overcome existing electricity leakage sensor cumbersome for installation simultaneously, not the shortcomings of easy care, reduce the volume of whole product.
Description
Technical field
The utility model belongs to low-voltage electrical apparatus technical field of safety protection, is exactly specifically to be related to a kind of direct current plastic housing open circuit
Device leak current detection device.
Background technology
DC leakage detection means is mainly used in the signal system, wireline inspection, electric leakage monitoring system of secondary power industry
System, the leakage current sensor that traditional DC leakage detection means uses, two positive and negative polarity wires is passed through at circuit breaker load end, is led to
The switching of electric bridge is crossed, makes the branch road both positive and negative polarity size of current of generation earth fault unequal, both positive and negative polarity difference between currents are to leak electricity
Stream, calculates the insulation situation of the circuit by detecting leakage current value and both positive and negative polarity voltage-to-ground value, avoids the separating brake of blindness from powering off,
Reduce the scope of failure and unnecessary loss.
The installation method of DC leakage flow detection device common at present is independent mounting means, i.e. electricity leakage sensor leads to
Cross wire or guide rail with breaker outgoing line end to be connected, leakage current sensor current supply circuit and order circuit are monitored by D.C. isolation
Device is drawn, and this mounting means increases great difficulty to the installation and the maintenance in later stage of early stage；Simultaneously this existing direct current passes
Sensor needs individually to perforate line again for debugging insulating monitor, used more multiple when being used cooperatively with insulating monitor
It is miscellaneous and time-consuming longer, add installation maintenance cost.
Utility model content
The purpose of this utility model is complicated aiming at above-mentioned existing DC leakage flow detection device mounting means, safeguards
The high technological deficiency of cost, there is provided a kind of direct current breaker of plastic casing leak current detection device, by leakage current sensor current supply circuit
It is integrated together with order circuit, provides real-time, accurate data for remote monitoring, realize and installed with circuit breaker modularized.No
Accuracy of detection is improve only, providing front-end technology for Intelligent control supports, while overcomes existing electricity leakage sensor cumbersome for installation,
Not the shortcomings of easy care, the volume of whole product is reduced.
Technical scheme
In order to realize above-mentioned technical purpose, a kind of direct current breaker of plastic casing leakage current test dress of the utility model design
Put, it includes direct current breaker of plastic casing and DC leakage sensor, it is characterised in that：The leading-out terminal of the direct current breaker of plastic casing
It is connected with DC leakage sensor, the DC leakage sensor includes housing, and the housing is led built with transformer, two
Body is connected through transformer with direct current breaker of plastic casing leading-out terminal.
Further, the direct current breaker of plastic casing and DC leakage sensor are integral type or split type.
Further, the direct current breaker of plastic casing is the breaker of energy disjunction positive and negative power supply, and it has overload and short circuit
Defencive function.
Further, the housing includes pedestal and cover, the cavity that the transformer forms mounted in the pedestal and cover
In, two conductors include wire, and the wire both ends are connected with connecting plate, and the wire passes through transformer, the connection
Plate one end is installed in pedestal, and the other end stretches out pedestal.
Further, the connecting plate of wire one end connection and direct current breaker of plastic casing leading-out terminal are longitudinally connected, the other end
Connection load.
Beneficial effect
A kind of direct current breaker of plastic casing leak current detection device provided by the utility model, leakage current sensor is powered back
Road and order circuit are integrated together, and are provided real-time, accurate data for remote monitoring, are realized and installed with circuit breaker modularized.
Accuracy of detection is not only increased, providing front-end technology for Intelligent control supports, exportable alarm signal during circuit exception, effectively protects
Protect power distribution system secure；Overcome existing electricity leakage sensor cumbersome for installation simultaneously, not the shortcomings of easy care, reduce whole product
Volume.
Brief description of the drawings
Accompanying drawing 1 is the schematic diagram of the utility model embodiment.
Accompanying drawing 2 is the product figure of the utility model embodiment.
Accompanying drawing 3 is the assembly relation schematic diagram of the utility model embodiment.
Accompanying drawing 4 is the product figure of DC leakage sensor in the utility model embodiment.
Accompanying drawing 5 is the exploded view of DC leakage sensor in the utility model embodiment.
Accompanying drawing 6 is mutual inductor installation structure schematic diagram in the utility model embodiment.
Accompanying drawing 7 is transformer and conductor assembly relation schematic diagram in the utility model embodiment.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described further.
As shown in accompanying drawing 1~5, a kind of direct current breaker of plastic casing leak current detection device, it includes direct current breaker of plastic casing 1
With DC leakage sensor 2, wherein, the leading-out terminal of the direct current breaker of plastic casing 1 is connected with DC leakage sensor 2, institute
Stating DC leakage sensor 2 includes housing 201, and the housing 201 passes through built with transformer 202, two conductors 203,203 '
Transformer 202 is connected with the leading-out terminal of direct current breaker of plastic casing 1.
The direct current breaker of plastic casing 1 and DC leakage sensor 2 are integral type or split type, as shown in Figure 3, this reality
It is split type for applying in example.
The direct current breaker of plastic casing 1 is the breaker of energy disjunction positive and negative power supply, and it has overload and short-circuit protection work(
Energy.
Specifically, as shown in figs. 4 and 5, the housing 201 includes pedestal 201a and cover 201b, the transformer 202
In the cavity formed mounted in the pedestal 201a and cover 201b, as seen in figs. 6 and 7, two conductors 203,203 ' wrap
Including wire 203a, 203a ', the wire 203a, 203a ' both ends are connected with connecting plate 203b, 203b ', the wire 203a,
203a ' passes through transformer 202, the connecting plate 203b, and 203b ' one end is installed in pedestal 201a, and the other end stretches out pedestal
201a。
The wire 203a, the connecting plate 203b, 203b ' of the connection of 203a ' one end indulge with the leading-out terminal of direct current breaker of plastic casing 1
To connection, other end connection load.
In the present embodiment, dc source both positive and negative polarity is accessed by the end of incoming cables of direct current breaker of plastic casing 1, is sensed by DC leakage
The wiring of device 2 is connected to load；DC leakage sensor 2 is by 202, two conductors 203,203 ' for passing through transformer 202 of transformer
And housing 201 forms, direct current breaker of plastic casing 1 uses with the splicing of DC leakage sensor 2, can also be used separately；This implementation
Example number of assembling steps be：Two conductors 203,203 ' pass through transformer 202, with screw by the connection at two both ends of conductor 203,203 '
Plate 203b, 203b ' is separately fixed on pedestal 201a, by the outer signal port fixed plate insertion base of DC leakage sensor 2
In seat 201a corresponding grooves, assembled realize is fixed with screw with direct current breaker of plastic casing 1 in DC leakage sensor 2 and is electrically connected
Connect, accessed and loaded by detection of electrical leakage module terminals, the binding post of DC leakage sensor 2 is attached with external monitoring instrument, real
Now line electrical leakage is monitored.
Structure, ratio, size, quantity depicted in the utility model embodiment institute accompanying drawings etc., only coordinating
Content disclosed in bright book, so that those skilled in the art understands and reads, being not limited to the utility model can implement
Qualifications, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size,
In the case where not influenceing the effect of the present embodiment can be generated and the purpose that can reach, all should still fall disclosed in the utility model
Technology contents are obtained in the range of covering.Meanwhile in this specification it is cited as " on ", " under ", "left", "right", " centre ",
The term of " clockwise ", " counterclockwise " etc., understanding for narration is merely convenient to, and it is enforceable to be not used to restriction the utility model
Scope, its relativeness are altered or modified, enforceable when being also considered as the utility model in the case where changing technology contents without essence
Category.
Claims (5)
1. a kind of direct current breaker of plastic casing leak current detection device, it includes direct current breaker of plastic casing (1) and DC leakage senses
Device (2), it is characterised in that：The leading-out terminal of the direct current breaker of plastic casing (1) is connected with DC leakage sensor (2), described
DC leakage sensor (2) includes housing (201), the housing (201) built with transformer (202), two conductors (203,
203 ') it is connected through transformer (202) with direct current breaker of plastic casing (1) leading-out terminal.
A kind of 2. direct current breaker of plastic casing leak current detection device as claimed in claim 1, it is characterised in that：The direct current modeling
Case circuit breaker (1) and DC leakage sensor (2) are integral type or split type.
A kind of 3. direct current breaker of plastic casing leak current detection device as claimed in claim 1, it is characterised in that：The direct current modeling
Case circuit breaker (1) is the breaker of energy disjunction positive and negative power supply, and it has overload and short-circuit protection function.
A kind of 4. direct current breaker of plastic casing leak current detection device as claimed in claim 1, it is characterised in that：The housing
(201) pedestal (201a) and cover (201b) are included, the transformer (202) is mounted in the pedestal (201a) and cover (201b)
In the cavity of composition, two conductors (203,203 ') include wire (203a, 203a '), the wire (203a, 203a ')
Both ends are connected with connecting plate (203b, 203b '), and the wire (203a, 203a ') pass through transformer (202), the connecting plate
(203b, 203b ') one end is installed in pedestal (201a), and the other end stretches out pedestal (201a).
A kind of 5. direct current breaker of plastic casing leak current detection device as claimed in claim 4, it is characterised in that：The wire
The connecting plate (203b, 203b ') of (203a, 203a ') one end connection is longitudinally connected with direct current breaker of plastic casing (1) leading-out terminal, separately
One end connection load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721046746.1U CN207081760U (en) | 2017-08-21 | 2017-08-21 | A kind of direct current breaker of plastic casing leak current detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721046746.1U CN207081760U (en) | 2017-08-21 | 2017-08-21 | A kind of direct current breaker of plastic casing leak current detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207081760U true CN207081760U (en) | 2018-03-09 |
Family
ID=61420787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721046746.1U Active CN207081760U (en) | 2017-08-21 | 2017-08-21 | A kind of direct current breaker of plastic casing leak current detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207081760U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755075A (en) * | 2019-03-04 | 2019-05-14 | 乐清市万联电器有限公司 | A kind of integral modular Minitype electrical leakage breaker |
| CN112763901A (en) * | 2020-12-28 | 2021-05-07 | 杭州之江开关股份有限公司 | Time delay calibration device and calibration method for direct-current molded case circuit breaker |
-
2017
- 2017-08-21 CN CN201721046746.1U patent/CN207081760U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109755075A (en) * | 2019-03-04 | 2019-05-14 | 乐清市万联电器有限公司 | A kind of integral modular Minitype electrical leakage breaker |
| CN109755075B (en) * | 2019-03-04 | 2024-03-29 | 乐清市万联电器有限公司 | Modularized integrated small-sized leakage circuit breaker |
| CN112763901A (en) * | 2020-12-28 | 2021-05-07 | 杭州之江开关股份有限公司 | Time delay calibration device and calibration method for direct-current molded case circuit breaker |
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