CN209266344U - A kind of earth leakage protective breaker of band - Google Patents
A kind of earth leakage protective breaker of band Download PDFInfo
- Publication number
- CN209266344U CN209266344U CN201821895862.5U CN201821895862U CN209266344U CN 209266344 U CN209266344 U CN 209266344U CN 201821895862 U CN201821895862 U CN 201821895862U CN 209266344 U CN209266344 U CN 209266344U
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- breaker
- leakage
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- 230000001681 protective effect Effects 0.000 title claims abstract description 26
- 238000012360 testing method Methods 0.000 claims abstract description 152
- 230000007246 mechanism Effects 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000003068 static effect Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 abstract description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000926 separation method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Abstract
The utility model is suitable for electric device field, a kind of earth leakage protective breaker of band is provided, including breaker body and the leakage protection module assembled with breaker body；Leakage protection module includes shell, test button, electric leakage handle, tripping lever and test loop；Test loop includes test resistance, button spring and test spring, test resistance and test spring one are connected with the pole the L outlet terminal of breaker body, another one is connected with the pole the N outlet terminal of breaker body, test button can drive the other end of button spring and test resistance to connect or separate, and tripping lever can drive test spring one end to connect or separate with button spring.The earth leakage protective breaker of band provided by the utility model in leakage protection module by being arranged electric leakage handle and test button; the test loop of leakage protection module need to leak electricity handle close a floodgate and test button press and could be connected; it can be effectively prevent user misoperation, breaker has a safety feature.
Description
Technical field
The utility model belongs to electric device more particularly to a kind of earth leakage protective breaker of band.
Background technique
Residual current action breaker is that the function of detection leakage current and the function of disconnection main circuit are combined,
A kind of breaker of multifunctional usage of overload protection and short-circuit protection can also be carried out to circuit simultaneously, while being terminal power distribution
The requirement of circuit.When person electric shock or grid power leakage electric current are more than specified value, residual current action breaker can be
Circuit power, the safety of the protection person or electrical equipment are cut off in the extremely short time rapidly.
In the prior art, residual current action breaker usually requires one experimental rig of configuration, includes in experimental rig
There is test loop, user judges the residual current detection function in residual current action breaker by periodically pressing test button
Can whether normal.Since test loop is there is usually one on-off point, the on-off of test loop is only controlled by test button, disconnected
Under the device gate-dividing state of road, if after user's maloperation has pressed test button, test loop will be connected, thus line current
Will around the main circuit of circuit breaker, then by test loop conducting load and powering load, there are Electrical Safety hidden danger,
Poor safety performance.
Utility model content
The utility model provides a kind of earth leakage protective breaker of band, it is intended to which the residual current acting for solving the prior art is disconnected
The on-off of test loop is only controlled by test button in the device of road, and user is easy to operate by mistake and there are problems that Electrical Safety hidden danger.
The application is achieved in that a kind of earth leakage protective breaker of band, including breaker body and with the open circuit
The leakage protection module that device ontology assembles；
The leakage protection module includes shell, the test button for being movably set in the case surface, is set to outside described
Electric leakage handle on shell, be rotationally connected with the shell and with the leaky operation mechanism of the electric leakage handle transmission connection and set
Test loop in the shell；
The test loop includes test resistance, is fixed on the button abutted against in the shell and with the test button
Spring and the test spring in the leaky operation mechanism, the test resistance and the test spring one are broken with described
The pole the L outlet terminal of road device ontology is connected, and another one is connected with the pole the N outlet terminal of the breaker body, and the test is pressed
Button can drive the button spring and the other end of the test resistance to connect or separate, and the electric leakage handle passes through the electric leakage
Operating mechanism controls described test spring one end and connects or separates with the button spring.
Preferably, the leaky operation mechanism includes the tripping lever being rotationally connected on the shell, the tripping thick stick
Bar is sequentially connected by a connecting rod and the electric leakage handle, and the test spring is fixed on the tripping lever, described de-
Button lever can drive described test spring one end to connect or separate with the button spring.
Preferably, the test loop further includes the first signal wire and second signal line, and one end of the test resistance is logical
It crosses first signal wire to be connected with the pole the L leading-out terminal of the breaker body, one end of the test spring passes through described the
Binary signal line is connected with the pole the N leading-out terminal of the breaker body.
Preferably, the test spring and the button spring are torsional spring；
The test spring includes being fixed on the torsional spring main body threaded off on lever and respectively by the torsional spring main body
Extend the first adjutage and the second adjutage, the button spring include the torsional spring ontology being fixed in shell and respectively by
The third adjutage and the 4th adjutage that the torsional spring ontology extends；
First adjutage of the test spring abuts with the tripping lever and is connected with the second signal line,
Second adjutage can extend arm contact with the third of the button spring or separate, the 4th adjutage of the button spring
It is abutted with the test button, and the test button can drive the end thereof contacts of the 4th adjutage and the test resistance
Or separation.
Preferably, the bottom end of the test button is equipped with limiting slot, and the described 4th of the button spring extends arm section
It is caught in the limiting slot.
Preferably, a fixed column is equipped in the shell, the torsional spring ontology of the button spring is fixedly sheathed in institute
It states in fixed column.
Preferably, the breaker body includes operation handle and grasps with the breaker of operation handle transmission connection
Make mechanism；The tripping lever is equipped with transmission shaft, and the transmission shaft on the circuit breaker operation mechanism and the tripping lever passes
Dynamic connection, the tripping lever drive the moving contact in the circuit breaker operation mechanism to contact with static contact by the transmission shaft
With separate.
Preferably, the leakage protection module further includes zero sequence current mutual inductor and zero sequence electricity in shell
Leakage tripping device current transformer connected control circuit board and be connected with the control circuit board, first signal wire and institute
Second signal line one of them is stated across the zero sequence current mutual inductor；When the electric leakage handle close a floodgate and press it is described test by
When button, the zero sequence current mutual inductor detects leak current fault, and the leakage tripping device drives the tripping lever rotation, described
Tripping lever drives the moving contact in the circuit breaker operation mechanism to separate with the static contact.
The earth leakage protective breaker of band provided by the utility model by leakage protection module be arranged electric leakage handle and
Test button, the test loop of leakage protection module need to leak electricity handle close a floodgate and test button press and could be connected, only having
When electric leakage handle closes a floodgate or only presses test button, test loop is not turned on, and so as to effectively prevent user misoperation, is kept away
Exempt from there are Electrical Safety hidden danger, breaker has a safety feature.
Detailed description of the invention
Fig. 1 is the three-dimensional structure diagram of the earth leakage protective breaker of band provided by the embodiment of the utility model；
Fig. 2 is the structural representation of leakage protection module in the earth leakage protective breaker of band provided by the embodiment of the utility model
Figure；
Fig. 3 is the first partial of leakage protection module in the earth leakage protective breaker of band provided by the embodiment of the utility model
Structural schematic diagram；
Fig. 4 is the second part of leakage protection module in the earth leakage protective breaker of band provided by the embodiment of the utility model
Structural schematic diagram；
Fig. 5 is the third part of leakage protection module in the earth leakage protective breaker of band provided by the embodiment of the utility model
Structural schematic diagram；
Fig. 6 is the structural schematic diagram at the first visual angle of structure shown in Fig. 5；
Fig. 7 is the structural schematic diagram at the second visual angle of structure shown in Fig. 5.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The earth leakage protective breaker of band provided by the utility model by leakage protection module be arranged electric leakage handle and
Test button, the test loop of leakage protection module need to leak electricity handle close a floodgate and test button press and could be connected, only having
When electric leakage handle closes a floodgate or only presses test button, test loop is not turned on, and so as to effectively prevent user misoperation, is kept away
Exempt from there are Electrical Safety hidden danger, breaker has a safety feature.
Fig. 1 is please referred to, this includes breaker body 1 with earth leakage protective breaker and the leakage that assembles with breaker body 1
Electric protection module 2.Breaker body 1 and the assembling form of leakage protection module 2 are unlimited, breaker body 1 and earth leakage protective mould
Block 2 can mutually be assemblied in one by fixing piece (such as screw, bolt), can also be assemblied in one by fit structure.
Referring to figure 2., leakage protection module 2 include shell 21, be movably set in shell 21 test button 22, be set to
Electric leakage handle 23 on shell 21, the leaky operation mechanism for being rotationally connected with shell 21 and being sequentially connected with electric leakage handle 23 and
Test loop in shell 21.
Incorporated by reference to referring to Fig. 3, test loop include test resistance 251, be fixed in shell 21 and with 22 phase of test button
The button spring 252 of abutting and the test spring 253 in leaky operation mechanism, 253 one of test resistance 251 and test spring
It is connected with the pole the L outlet terminal of breaker body 1, another one is connected with the pole the N outlet terminal of breaker body 1, test button
22 can drive button spring 252 and the other end of test resistance 251 to connect or separate, and the electric leakage handle 23 passes through electric leakage behaviour
Make 253 one end of test spring described in mechanism controls to connect or separate with the button spring 252.
As one embodiment of the utility model, the leaky operation mechanism includes being rotationally connected on the shell 21
Tripping lever 24, the tripping lever 24 passes through a connecting rod 20 and the electric leakage handle 23 transmission connection, the expeimental cartridge
Spring 253 is fixed on the tripping lever 24, and the tripping lever 24 can drive described 253 one end of test spring and the button
Spring 252 connects or separates.
Incorporated by reference to referring to Fig. 4-Fig. 7, in the utility model embodiment, user is closed a floodgate by rotation electric leakage handle 23, electric leakage
Handle 23 drive tripping lever 24 rotate, tripping lever 24 rotation drive tripping lever 24 on test spring 253 one end with
Button spring 252 connects, and realization test spring 253 is electrically connected with button spring 252；User pins test button 22 again, examination
Testing button 22 drives button spring 252 to connect with the other end of test resistance 251, to realize the conducting of test loop；User
By rotation electric leakage 23 separating brake of handle, the electric leakage drive tripping lever 24 of handle 23 is rotated backward, and tripping lever 24, which rotates to drive, to be taken off
One end of test spring 253 on button lever 24 is separated with button spring 252, thus open test circuit, user unclamps test
After button 22, under the elastic force of button spring 252, button spring 252 is separated with test resistance 251, equally can open test time
Road.
In the utility model embodiment, since 251 one end of test resistance and button spring 252 form an on-off point, test
Spring 253 and button spring 252 form another on-off point, and only simultaneously turning on test loop there are two on-off point can just be connected, because
This test loop need to leak electricity handle 23 close a floodgate and test button 22 press and could be connected, only leak electricity handle 23 combined floodgate or
When only pressing test button 22, test loop is not turned on, and prevents breaker from pressing the conducting of test button 22 under gate-dividing state
Test loop avoids that there are Electrical Safety hidden danger so as to effectively prevent user misoperation.
As one embodiment of the utility model, test loop further includes the first signal wire 254 and second signal line
255, one end of test resistance 251 is connected by the first signal wire 254 with the pole the L leading-out terminal of breaker body 1, test spring
253 one end is connected by second signal line 255 with the pole the N leading-out terminal of breaker body 1.Pass through the first signal wire of setting and the
Binary signal line facilitates the connection of test resistance 251, test spring 253 and the pole L leading-out terminal, the pole N leading-out terminal.Certainly, expeimental cartridge
One end of spring 253 can directly be connect with the pole the N leading-out terminal of breaker body 1, one end of test resistance 251 can also directly with open circuit
The pole the L leading-out terminal of device ontology 1 is connected.Wherein, test resistance lead end is fixed in the limit hole inside shell 21, makes button
There are enough electric clearances between spring 252 and test resistance 251, so as to bear sufficiently high surge voltage.
As one embodiment of the utility model, test spring 253 and button spring 252 are torsional spring, compact-sized.
In addition to this, test spring 253 and button spring 252 can also use reed.
In the present embodiment, test spring 253 include be fixed on tripping lever 24 on torsional spring main body 2531 and respectively by
The first adjutage 2532 and the second adjutage 2533 that torsional spring main body 2531 extends.Button spring 252 includes being fixed on shell 21
Interior torsional spring ontology 2521 and the third adjutage 2522 and the 4th adjutage 2523 extended respectively by torsional spring ontology 2521.
First adjutage 2532 of test spring 253 abuts with tripping lever 24 and is connected with second signal line 255, the
Two adjutages 2533 can be contacted or be separated with the third adjutage 2522 of button spring 252, the 4th adjutage of button spring 252
2523 abut with test button 22, and test button 22 can drive the end thereof contacts of the 4th adjutage 2523 and test resistance 251
Or separation.4th adjutage 2523 of button spring 252 be test button 22 a upward active force is provided, make test by
Button 22 when not pressing, protrude always by opposite shell surface.Wherein, test spring 253 can also pass through the second adjutage 2533
It is connected with second signal line 255.
When user drives tripping lever 24 to rotate by rotation electric leakage handle 23, tripping lever 24 drives test spring 253
The second adjutage 2533 contacted with the third adjutage 2522 of button spring 252, realize test spring 253 and button spring
252 electrical connection；User pins test button 22, the 4th adjutage 2523 and the examination of 22 activation button spring 252 of test button
The end thereof contacts of electrical verification resistance 251, realization button spring 252 are electrically connected with test resistance 251.User unclamps test button 22
Afterwards, under the elastic force of the 4th adjutage 2523, the 4th adjutage 2523 is separated with test resistance 251, so that open test returns
Road, and test button 22 protrudes case surface again.
As one embodiment of the utility model, the bottom end of test button 22 is equipped with limiting slot 221, button spring 252
2523 part of the 4th adjutage be caught in limiting slot 221.Wherein, the shape of limiting slot 221 is unlimited.By the way that limiting slot is arranged
221, it prevents the 4th adjutage 2523 of button spring 252 to be detached from test button 22, extends the 4th of button spring 252
Arm 2523 is abutted with the stabilization of test button 22, prevents test button 22 from failing.
As one embodiment of the utility model, a fixed column 211, the torsional spring of button spring 252 are equipped in shell 21
Ontology 2521 is fixedly sheathed in fixed column 211.By the way that fixed column 211 is arranged, facilitates and button spring 252 is fixedly mounted.
As one embodiment of the utility model, breaker body 1 includes operation handle 11 and passes with operation handle 11
The circuit breaker operation mechanism (not shown) of dynamic connection；Lever 24 of threading off is equipped with transmission shaft 241, circuit breaker operation mechanism and tripping
Transmission shaft 241 on lever 24 is sequentially connected, and tripping lever 24 drives the dynamic touching in circuit breaker operation mechanism by transmission shaft 241
Head is separated with static contact.Wherein, the transmission shaft 241 threaded off on lever 24 can be integrally formed with tripping lever 24, can also be divided
Body is arranged and is mutually assemblied in one.
As one embodiment of the utility model, leakage protection module 2 further includes the zero-sequence current in shell 21
Mutual inductor 26, the control circuit board (not shown) being connected with zero sequence current mutual inductor 26 and the electric leakage being connected with control circuit board are de-
Device 27 is detained, the first signal wire 254 and 255 one of them of second signal line pass through zero sequence current mutual inductor 26；When electric leakage handle 23
When closing a floodgate and pressing test button 22, zero sequence current mutual inductor 26 detects leak current fault, the driving tripping thick stick of leakage tripping device 27
Bar 24 rotates, and tripping lever 24 drives the moving contact in circuit breaker operation mechanism to separate with static contact.
In the present embodiment, leakage tripping device is using common leakage tripping device in breaker, and control circuit board is using open circuit
The control circuit board of common detection of electrical leakage in device.
When whether the earth leakage detection functions for detecting the leakage protection module are normal, user first rotates electric leakage handle 23 and closes
Lock, and test button 22 is pinned, test loop can just be connected, and zero sequence current mutual inductor 26 detects leak current fault, when electric leakage electricity
When stream reaches specified value, control circuit board issues control signal to leakage tripping device 27, and leakage tripping device 27 drives de- after being powered
The button rotation of lever 24 makes the tripping of handle 23 of leaking electricity.In the present embodiment, the mandril 271 of leakage tripping device 27 is gone by pushing mechanism 28
Tripping lever 24 is driven to rotate.In addition to this, the mandril 271 of leakage tripping device 27 can also push directly on 24 turns of lever of tripping
It is dynamic.Meanwhile the moving contact in the drive circuit breaker operation mechanism of lever 24 of threading off is separated with static contact and the jump of operation handle 11
Lock realizes the tripping of breaker body and cut-off breaker major loop, and then judges the detection of electrical leakage of leakage protection module 2
Function is normal, conversely, then judging earth leakage protective as the operation handle 11 of electric leakage handle 23 and realization breaker body 1 does not trip
The leakage function of module 2 fails.
The earth leakage protective breaker of band provided by the utility model by leakage protection module be arranged electric leakage handle and
Test button, the test loop of leakage protection module need to leak electricity handle close a floodgate and test button press and could be connected, only having
When electric leakage handle closes a floodgate or only presses test button, test loop is not turned on, and so as to effectively prevent user misoperation, is kept away
Exempt from that there are Electrical Safety hidden danger.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (8)
1. a kind of earth leakage protective breaker of band, which is characterized in that assembled including breaker body and with the breaker body
Leakage protection module；
The leakage protection module includes shell, the test button for being movably set in the shell, the leakage on the shell
Electric hand handle is rotationally connected with the shell and with the leaky operation mechanism of the electric leakage handle transmission connection and set on described outer
Test loop in shell；
The test loop includes test resistance, is fixed on the button spring abutted against in the shell and with the test button
And the test spring in the leaky operation mechanism, the test resistance and the test spring one and the breaker
The pole the L outlet terminal of ontology is connected, and another one is connected with the pole the N outlet terminal of the breaker body, and the test button can
The button spring and the other end of the test resistance is driven to connect or separate, the electric leakage handle passes through the leaky operation
Test spring one end described in mechanism controls is connected or separated with the button spring.
2. as described in claim 1 with earth leakage protective breaker, which is characterized in that the leaky operation mechanism includes rotation
The tripping lever being connected on the shell, the tripping lever are sequentially connected by a connecting rod and the electric leakage handle, institute
It states test spring to be fixed on the tripping lever, the tripping lever can drive described test spring one end and the button bullet
Spring connects or separates.
3. as claimed in claim 2 with earth leakage protective breaker, which is characterized in that the test loop further includes the first letter
Number line and second signal line, one end of the test resistance is gone out by the pole L of first signal wire and the breaker body
Line end is connected, and one end of the test spring is connected by the second signal line with the pole the N leading-out terminal of the breaker body.
4. as claimed in claim 3 with earth leakage protective breaker, which is characterized in that the test spring and the button bullet
Spring is torsional spring；
The test spring includes the torsional spring main body being fixed on the tripping lever and is extended respectively by the torsional spring main body
The first adjutage and the second adjutage, the button spring includes the torsional spring ontology being fixed in shell and respectively by described
The third adjutage and the 4th adjutage that torsional spring ontology extends；
First adjutage of the test spring abuts with the tripping lever and is connected with the second signal line, described
Second adjutage can extend arm contact with the third of the button spring or separate, the 4th adjutage of the button spring and institute
Test button abutting is stated, and the test button can drive the end thereof contacts of the 4th adjutage and the test resistance or divide
From.
5. as claimed in claim 4 with earth leakage protective breaker, which is characterized in that the bottom end of the test button is equipped with limit
The 4th extension arm section of position slot, the button spring is caught in the limiting slot.
6. as claimed in claim 4 with earth leakage protective breaker, which is characterized in that a fixed column is equipped in the shell,
The torsional spring ontology of the button spring is fixedly sheathed in the fixed column.
7. as claimed in claim 3 with earth leakage protective breaker, which is characterized in that the breaker body includes manipulator
Handle and the circuit breaker operation mechanism being sequentially connected with the operation handle；The tripping lever is equipped with transmission shaft, the open circuit
Device operating mechanism is connect with the transmission shaft driven on the tripping lever, and the tripping lever is driven by the transmission shaft
Moving contact in the circuit breaker operation mechanism is separated with static contact.
8. as claimed in claim 7 with earth leakage protective breaker, which is characterized in that the leakage protection module further includes setting
In in shell zero sequence current mutual inductor, the control circuit board that is connected with the zero sequence current mutual inductor and with the control route
The connected leakage tripping device of plate, first signal wire and the second signal line one of them pass through the zero sequence current mutual inductance
Device；When the electric leakage handle closes a floodgate and presses the test button, the zero sequence current mutual inductor detects leak current fault, institute
It states leakage tripping device and drives the tripping lever rotation, the tripping lever drives described dynamic in the circuit breaker operation mechanism
Contact is separated with the static contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821895862.5U CN209266344U (en) | 2018-11-16 | 2018-11-16 | A kind of earth leakage protective breaker of band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821895862.5U CN209266344U (en) | 2018-11-16 | 2018-11-16 | A kind of earth leakage protective breaker of band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209266344U true CN209266344U (en) | 2019-08-16 |
Family
ID=67555494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821895862.5U Active CN209266344U (en) | 2018-11-16 | 2018-11-16 | A kind of earth leakage protective breaker of band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209266344U (en) |
-
2018
- 2018-11-16 CN CN201821895862.5U patent/CN209266344U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231206 Address after: 315333 Kuang Yan Zhen Long Ge Cun, Cixi City, Ningbo City, Zhejiang Province Patentee after: Ningbo bull Low Voltage Electric Co.,Ltd. Address before: 315314 East District of Industrial Park, Cixi, Ningbo, Zhejiang Patentee before: GONGNIU GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right |