CN208873680U - A kind of leakage circuit breakers with faults itself instruction - Google Patents
A kind of leakage circuit breakers with faults itself instruction Download PDFInfo
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- CN208873680U CN208873680U CN201821851280.7U CN201821851280U CN208873680U CN 208873680 U CN208873680 U CN 208873680U CN 201821851280 U CN201821851280 U CN 201821851280U CN 208873680 U CN208873680 U CN 208873680U
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- induction coil
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- upper cover
- circuit breakers
- contact
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Abstract
The utility model relates to a kind of leakage circuit breakers with faults itself instruction, including upper cover, pedestal, operating mechanism, zero-sequence mutual inductance device assembly, connecting terminal, the front of the upper cover is provided with test button, zero-sequence mutual inductance device assembly includes zero sequence transformer ontology, the first induction coil and the second induction coil being wound on zero sequence transformer ontology, the number of turns of second induction coil is more than the number of turns of the first induction coil, the side of operating mechanism is provided with buckle releaser, the front of upper cover forms malfunction indicator lamp, first induction coil is electrically connected with buckle releaser, second induction coil is electrically connected with malfunction indicator lamp, operating mechanism includes moving contact and static contact, static contact is fixed on the connecting terminal of side, flexible circuit conductor has been placed on zero sequence transformer ontology, one end of flexible circuit conductor is fixed on the connecting terminal of the other side, the other end of flexible circuit conductor and dynamic Contact forms electrical connection.The leakage circuit breakers of the utility model is at low cost, practical safe and reliable and show with faults itself.
Description
Technical field
The utility model relates to a kind of breaker more particularly to a kind of leakage circuit breakers with faults itself instruction.
Background technique
The effect of leakage circuit breakers is leakage current in circuit can auto-action when being more than predetermined value.Existing electric leakage is disconnected
Road device is threaded off by zero sequence transformer come the leakage current in inductive loop realize buckle releaser movement, at leakage circuit breakers
In work normally when, circuit does not have any risk, once can leakage circuit breakers itself break down, not when circuit leaks electricity
Buckle releaser can be driven to act, user is difficult to realize that failure has occurred in leakage circuit breakers itself, if being changed without the leakage of faults itself
If things go on like this there is some potential safety problems in electrical circuit breakers.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of safe and reliable, low cost band faults itselfs to indicate
Leakage circuit breakers.
In order to achieve the goal above, the utility model is using such a leakage circuit breakers with faults itself instruction, packet
It includes upper cover, pedestal, the operating mechanism being arranged in upper cover, the zero-sequence mutual inductance device assembly being arranged in pedestal, be arranged in pedestal two
The connecting terminal of side, the front of the upper cover are provided with test button, and the zero-sequence mutual inductance device assembly includes zero sequence transformer sheet
Body, the first induction coil being wound on zero sequence transformer ontology and the second induction coil, the number of turns of second induction coil
More than the number of turns of the first induction coil, the side of the operating mechanism is provided with buckle releaser, and the front of the upper cover forms failure
Indicator light, first induction coil are electrically connected with buckle releaser, and the second induction coil is electrically connected with malfunction indicator lamp, the operation
Mechanism includes moving contact and static contact, and the static contact is fixed on the connecting terminal of side, on the zero sequence transformer ontology
Flexible circuit conductor is placed, one end of the flexible circuit conductor is fixed on the connecting terminal of the other side, the other end and moving contact shape of flexible circuit conductor
At electrical connection.
Above-mentioned leakage circuit breakers adds the second induction coil, the second induction coil and malfunction indicator lamp in zero sequence transformer
Electrical connection, when leakage circuit breakers itself fail, i.e., drain conditions occur for subscriber's line circuit, and zero sequence transformer ontology senses
Leakage current, buckle releaser but can not normally thread off, and moving contact and static contact are always maintained at contact, but the second induction coil can generate
Induced current driving malfunction indicator light shines, and prompts user's leakage circuit breakers itself to break down, needs replacing, avoid failure
Leakage circuit breakers brings security risk, and this product structure is simplified, and has advantage at low cost, and the number of turns of the second induction coil is more than
The number of turns of first induction coil is to guarantee conducting failure instruction to increase the induced electromotive force generated on the second induction coil
Lamp, while the interference to buckle releaser movement can also be reduced.
Originally practical to be further arranged to form contact pocket and accommodating cavity in pedestal, it is formed between the contact pocket and accommodating cavity
Demarcation plate, the moving contact and static contact are arranged in contact pocket, and the zero-sequence mutual inductance device assembly is arranged in accommodating cavity, described
Conduction is provided on demarcation plate in flakes, conductive include evener and folding portion, the other end of the folding portion and flexible circuit conductor in flakes
Connection, is connected with copper conductor between the evener and moving contact.
It is provided with demarcation plate between above-mentioned dynamic/static contact and zero-sequence mutual inductance device assembly, reduces influencing each other between the two,
Improve the reliability of leakage circuit breakers movement.
This is practical to be further arranged to the first induction coil and is connected to the part of buckle releaser to be arranged with insulating sleeve, and described the
The part that two induction coils are connected to malfunction indicator lamp is arranged with insulating sleeve.
Above-mentioned insulating sleeve can protect the first induction coil and the second induction coil by external interference, not to improve the peace of product
Quan Xing.
This practical malfunction indicator lamp that is further arranged to is arranged in the positive lower right of upper cover.
The position of above-mentioned malfunction indicator lamp is more obvious, facilitates prompt user.
Detailed description of the invention
Fig. 1 is the utility model embodiment left side cross-sectional view.
Fig. 2 is the utility model embodiment right side partial sectional view.
Fig. 3 is the utility model embodiment zero-sequence mutual inductance device assembly main view.
Fig. 4 is the utility model embodiment zero sequence transformer assembly principle figure.
Fig. 5 is the utility model embodiment main view.
Fig. 6 is the utility model embodiment conduction side view in flakes.
Fig. 7 is the utility model embodiment tridimensional figure.
Specific embodiment
As shown in Figs. 1-5, the utility model is a kind of leakage circuit breakers with faults itself instruction, including upper cover 1, pedestal
2, the zero-sequence mutual inductance device assembly 4 being arranged in pedestal 2, connecing for 2 two sides of pedestal is arranged in the operating mechanism 3 that is arranged in upper cover 1
Line terminals 5, the front of the upper cover 1 are provided with test button 6, and the zero-sequence mutual inductance device assembly 4 includes zero sequence transformer ontology
41, the first induction coil 42 and the second induction coil 43 being wound on zero sequence transformer ontology 41, second induction coil
43 the number of turns is more than the number of turns of the first induction coil 42, and the side of the operating mechanism 3 is provided with buckle releaser 7, the upper cover 1
Front forms malfunction indicator lamp 8, and first induction coil 42 is electrically connected with buckle releaser 7, and the second induction coil 43 refers to failure
Show that lamp 8 is electrically connected, the operating mechanism 3 includes moving contact 31 and static contact 32, and the static contact 32 is fixed on the wiring of side
On terminal 5, flexible circuit conductor 9 is placed on the zero sequence transformer ontology 41, one end of the flexible circuit conductor 9 is fixed on other side wiring
On terminal 5, the other end of flexible circuit conductor 9 is electrically connected with the formation of moving contact 31, and the first induction coil 42 is connected to the part of buckle releaser 7
It is arranged with insulating sleeve 10, the part that second induction coil 43 is connected to malfunction indicator lamp 8 is arranged with insulating sleeve 10, therefore
Hinder indicator light 8 to be arranged in the positive lower right of upper cover 1.
As shown in Fig. 1,6,7, form contact pocket 21 and accommodating cavity 22 in pedestal 2, the contact pocket 21 and accommodating cavity 22 it
Between form demarcation plate 23, the moving contact 31 and static contact 32 are arranged in contact pocket 21, and the zero-sequence mutual inductance device assembly 4 is arranged
In accommodating cavity 22, it is provided with conductive in flakes 24 on the demarcation plate 23, conductive 24 includes in flakes evener 241 and folding portion
242, the folding portion 242 is connect with the other end of flexible circuit conductor 9, is connected with copper between the evener 241 and moving contact 31 and is led
Line 25.
Claims (4)
1. a kind of leakage circuit breakers with faults itself instruction, including upper cover, pedestal, the operating mechanism being arranged in upper cover, sets
The connecting terminal set the zero-sequence mutual inductance device assembly in pedestal, two sides of base is arranged in, the front of the upper cover are provided with test
Button, it is characterised in that: the zero-sequence mutual inductance device assembly includes zero sequence transformer ontology, is wound on zero sequence transformer ontology
First induction coil and the second induction coil, the number of turns of second induction coil is more than the number of turns of the first induction coil, described
The side of operating mechanism is provided with buckle releaser, and the front of the upper cover forms malfunction indicator lamp, first induction coil and de-
Device electrical connection is detained, the second induction coil is electrically connected with malfunction indicator lamp, and the operating mechanism includes moving contact and static contact, described
Static contact is fixed on the connecting terminal of side, has placed flexible circuit conductor on the zero sequence transformer ontology, and the one of the flexible circuit conductor
End is fixed on the connecting terminal of the other side, and the other end of flexible circuit conductor is electrically connected with moving contact formation.
2. the leakage circuit breakers according to claim 1 with faults itself instruction, it is characterised in that: formed in the pedestal
Contact pocket and accommodating cavity, form demarcation plate between the contact pocket and accommodating cavity, the moving contact and static contact are arranged in contact
In slot, the zero-sequence mutual inductance device assembly is arranged in accommodating cavity, conduction is provided on the demarcation plate in flakes, conduction includes in flakes
The other end of evener and folding portion, the folding portion and flexible circuit conductor connects, and is connected with copper between the evener and moving contact
Conducting wire.
3. the leakage circuit breakers according to claim 1 or 2 with faults itself instruction, it is characterised in that: first sense
The part for answering coil to be connected to buckle releaser is arranged with insulating sleeve, and second induction coil is connected to the part of malfunction indicator lamp
It is arranged with insulating sleeve.
4. the leakage circuit breakers according to claim 1 or 2 with faults itself instruction, it is characterised in that: the failure refers to
Show that lamp is arranged in the positive lower right of upper cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821851280.7U CN208873680U (en) | 2018-11-10 | 2018-11-10 | A kind of leakage circuit breakers with faults itself instruction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821851280.7U CN208873680U (en) | 2018-11-10 | 2018-11-10 | A kind of leakage circuit breakers with faults itself instruction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208873680U true CN208873680U (en) | 2019-05-17 |
Family
ID=66471431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821851280.7U Active CN208873680U (en) | 2018-11-10 | 2018-11-10 | A kind of leakage circuit breakers with faults itself instruction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208873680U (en) |
-
2018
- 2018-11-10 CN CN201821851280.7U patent/CN208873680U/en active Active
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