CN209045467U - The button of residual current action breaker tests structure - Google Patents
The button of residual current action breaker tests structure Download PDFInfo
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- CN209045467U CN209045467U CN201821639604.0U CN201821639604U CN209045467U CN 209045467 U CN209045467 U CN 209045467U CN 201821639604 U CN201821639604 U CN 201821639604U CN 209045467 U CN209045467 U CN 209045467U
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Abstract
A kind of button test structure of residual current action breaker, including shell, the test button being mounted on shell, test loop and switch block, reset spring is equipped between test button and shell, switch block includes conducting bridge, resistance, mutual inductor, the first stationary contact, the second stationary contact and third stationary contact.The utility model provides a kind of button test structure of residual current action breaker, by the conducting bridge on test button come the on-off between first stationary contact of Control experiment circuit one end and second stationary contact of resistance one end, pass through the on-off between the moving contact Control experiment circuit other end of operating mechanism and the third stationary contact of the resistance other end again, using three disconnected dot structures, even if realizing and pressing test button when breaker is in open position, test loop is still not turned on, both increase electric clearance, it again can be when residual current action breaker be in open position, supply voltage will not be detected in load end, avoid electric shock risk.
Description
Technical field
The utility model relates to low voltage electrical apparatus technology fields, and in particular to a kind of button survey of residual current action breaker
Try structure.
Background technique
Existing testing button for circuit breaker mechanism mostly uses spring leaf to design, and is single-break structure, and test button is used and pushed away
The mode of pressure realizes control metal clips, and the stroke of button is big, causes mechanism not compact, and manual dexterity is low, especially in one
In formula product, since product layout is more compact, button stroke becomes smaller, and be easy to cause pressure-resistant breakdown.Furthermore it is dynamic in residual current
When making breaker and being in open position, by lower button, supply voltage can be detected in load end, be can lead to and any touched product
People have electric shock risk.
Summary of the invention
The purpose of the utility model is to overcome the defect of the prior art, provide it is a kind of not only increase electric clearance, but also can be with
Supply voltage will not be detected in load end when residual current action breaker is in open position, avoid the surplus of electric shock risk
The button of aftercurrent action breaker tests structure.
To achieve the above object, the utility model adopts the technical scheme that
A kind of button of residual current action breaker tests structure, including shell 1, the test being mounted on shell 1 by
Button 2, test loop and switch block are equipped with reset spring 20, it is characterised in that: described between the test button 2 and shell 1
Switch block includes conducting bridge 201, resistance 30, mutual inductor 4, the first stationary contact 31, the second stationary contact 32 and third stationary contact 34,
The both ends of the test loop are connect with the moving contact 5 of the first stationary contact 31 and operating mechanism respectively, 30 one end of resistance and second
Stationary contact 32 connects, and the privates 301 of 30 other end of resistance is pierced by from mutual inductor 4 to be connect with third stationary contact 34 afterwards, described
The setting corresponding with moving contact 5 of third stationary contact 34, the conducting bridge 201 are set on test button 2 quiet for controlling first
The on-off of contact 31 and the second stationary contact 32.
When residual current action breaker is in open position, moving contact 5 respectively with static contact 6 and third stationary contact 34
It disconnects；When residual current action breaker is in closing position, moving contact 5 connects with static contact 6 and third stationary contact 34 respectively
Touching.
Preferably, first stationary contact 31 and the second stationary contact 32 be between test button 2 and resistance 30, wherein institute
The first stationary contact 31 is stated close to test button 2, the second stationary contact 32 is close to resistance 30, and the conducting bridge 201 is in off-position
Positioned at the top of the first stationary contact 31 and the second stationary contact 32；The third stationary contact 34 is located at one end and the lock 7 of moving contact 5
Between, the other end of the moving contact 5 is matched with static contact 6.
Preferably, the privates 301 of the resistance 30 is connect by conducting rod 33 with third stationary contact 34；The conduction
Bar 33 and mutual inductor 4 are located at the lower section of resistance 30, and conducting rod 33 is between mutual inductor 4 and resistance 30.
Preferably, the conducting rod 33 include the first conductive segment 331 being connect with privates 301 and with third stationary contact
Second conductive segment 332 of 34 connection of point, the shell 1 are equipped with two the first limited blocks for limiting the first conductive segment 331
103 and for limiting the second limited block 104 for fixing the second conductive segment 332, second limited block 104 is equipped with and second
The fixed card slot that conductive segment 332 cooperates, described two first limited blocks 103 are shifted to install in the two sides of the first conductive segment 331；Institute
It states conducting rod 33 to be an integral molding structure, be connected between the first conductive segment 331 and the second conductive segment 332 in bending-like.
Preferably, first stationary contact 31 and the second stationary contact 32 are located at the side of test button 2, the reset spring
Conducting bridge 201 is extended to the first stationary contact 31 and 32 side of the second stationary contact in 20 one end, and conducting bridge 201 is in off-position
Positioned at the top of the first stationary contact 31 and the second stationary contact 32.
Preferably, for first stationary contact 31 between the second stationary contact 32 and test button 2, the second stationary contact 32 is high
In the first stationary contact 31.
Preferably, the resistance 30 is connect by the second conducting wire 300 with the second stationary contact 32, and the shell 1 is equipped with
For fixing two the first fixed blocks 101 of the second conducting wire 300 and privates 301 respectively, two the first fixed blocks 101 are located at
The middle part of the two sides of resistance 30, first fixed block 101 is equipped with fixed groove；The shell 1 is equipped with for fixing second
Second fixed block 102 of 300 end of conducting wire, the second fixed block 102, which is equipped with, passes through fixed consolidate for 300 end of the second conducting wire
Determine hole, after the end of the second conducting wire 300 passes through fixation hole, the part being exposed at outside fixation hole forms the second stationary contact 32.
Preferably, the shell 1 is equipped with the third fixed block 105 of first conducting wire 35 of fixed test loop one end, the
Three fixed blocks 105 are equipped with the fixed hole passed through for the first conducting wire 35, after first conducting wire 35 passes through fixed hole, stretch out
The part of fixed hole forms the first stationary contact 31.
Preferably, the end of the test button 2, which extends, is equipped with spring fixed column 21, and 20 1 end cap of reset spring exists
On spring fixed column 21, the shell 1 is equipped with spring anchor block 106, and the spring anchor block 106, which is equipped with, accommodates reset spring
The pockets 107 of 20 other ends.
It preferably, further include demarcation plate in shell 1, the cavity in shell 1 is divided by demarcation plate accommodates test button 2
With the first cavity of switch block, and the second cavity of receiving operating mechanism, moving contact 5 and static contact 6；On demarcation plate with
The corresponding position of third stationary contact 34 is equipped with matching hole, and third stationary contact 34 passes through matching hole and moving contact 5 cooperates.
The button of the residual current action breaker of the utility model tests structure, by the conducting bridge on test button come
On-off between first stationary contact of Control experiment circuit one end and second stationary contact of resistance one end, then pass through operating mechanism
On-off between the moving contact Control experiment circuit other end and the third stationary contact of the resistance other end, using three disconnected dot structures,
Even if realizing and pressing test button when breaker is in open position, test loop is still not turned on, and not only increases electric clearance, but also can
Will not detect supply voltage in load end when residual current action breaker is in open position, electric shock risk is avoided,
Meet integrated product demand.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the button test structure of the utility model residual current action breaker；
Fig. 2 is the partial structurtes enlarged drawing of the utility model Fig. 1；
Fig. 3 is the structural schematic diagram that the utility model residual current action breaker is in open position；
Fig. 4 is the structural schematic diagram that the utility model residual current action breaker is in closing position.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1 to 4 provides, the residual current action breaker of the utility model is further illustrated
Button test structure specific embodiment.The button test structure of the residual current action breaker of the utility model is unlimited
In the following description.
As shown in Figs. 1-2, the button of the residual current action breaker of the utility model tests structure, including shell 1, peace
Test button 2, test loop and switch block on shell 1 are equipped between the test button 2 and shell 1 and reset bullet
Spring 20, the switch block include conducting bridge 201, resistance 30, mutual inductor 4, the first stationary contact 31, the second stationary contact 32 and third
Stationary contact 34, the both ends of the test loop are connect with the moving contact 5 of the first stationary contact 31 and operating mechanism respectively, resistance 30 1
Second conducting wire 300 at end connect with the second stationary contact 32, the privates 301 of 30 other end of resistance from mutual inductor 4 be pierced by afterwards and
Third stationary contact 34 connects, and the setting corresponding with moving contact 5 of third stationary contact 34, the conducting bridge 201 is set to test
For controlling the on-off of the first stationary contact 31 and the second stationary contact 32 on button 2.It is disconnected when residual current action breaker is in
When position, moving contact 5 is disconnected with static contact 6 and third stationary contact 34 respectively；When residual current action breaker is in closing position
When setting, moving contact 5 is contacted with static contact 6 and third stationary contact 34 respectively and is powered.The residual current acting of the utility model is disconnected
The button of road device tests structure, by the conducting bridge on test button come first stationary contact and resistance of Control experiment circuit one end
On-off between second stationary contact of one end, then it is another by the 5 Control experiment circuit other end of moving contact and resistance of operating mechanism
On-off between the third stationary contact of one end is pressed when breaker is in open position using three disconnected dot structures even if realizing
Test button, test loop are still not turned on, and not only increase electric clearance, but also can be in residual current action breaker and disconnect position
When setting, supply voltage will not be detected in load end, avoided electric shock risk, met integrated product demand.
As shown in Figure 1, first stationary contact 31 and the second stationary contact 32 be between test button 2 and resistance 30,
Described in the first stationary contact 31 close to test button 2, the second stationary contact 32 is close to resistance 30, and the conducting bridge 201 is in power-off shape
Positioned at the top of the first stationary contact 31 and the second stationary contact 32 when state；The third stationary contact 34 be located at one end of moving contact 5 with
Between lock 7, the other end of the moving contact 5 is matched with static contact 6.Structure is simple, rational and compact.Further,
For first stationary contact 31 between the second stationary contact 32 and test button 2, the second stationary contact 32 is higher than the first stationary contact 31.
When breaker closing, the end thereof contacts of conducting bridge are to the second stationary contact, and test loop can not still be connected, until conducting bridge is another
When end thereof contacts are to the first stationary contact, test loop is connected, and carries out circuit detection, reasonable in design, is worked relatively reliable steady
It is fixed.
In addition, conducting bridge is extended to the first stationary contact 31 and 32 side of the second stationary contact in one end of the reset spring 20
201.Conducting bridge is extended in one end of reset spring, without additionally configuring individual conductive bridge member, thus it is also independent without construction
The mounting structure of component simplifies the overall structure of breaker, ingenious in design, compact-sized, saves material.
Also, the shell 1 is equipped with the third fixed block 105 of first conducting wire 35 of fixed test loop one end, third
Fixed block 105 is equipped with the fixed hole passed through for the first conducting wire 35, after first conducting wire 35 passes through fixed hole, stretches out solid
The part for determining through-hole forms the first stationary contact 31, and 35 other end of the first conducting wire connects to power supply.Using fixing the first conducting wire
The mode of end forms stable stationary contact, without additionally configuring individual stationary contact point structure, simplifies structure, is easy to implement open circuit
Device compact overall structure.
In addition, the shell 1 is solid equipped with two first for fixing the second conducting wire 300 and privates 301 respectively
Determine block 101, two the first fixed blocks 101 are located at the two sides of resistance 30, and the middle part of first fixed block 101 is equipped with anchor
Slot；The shell 1 is equipped with the second fixed block 102 for fixing 300 end of the second conducting wire, and the second fixed block 102 is equipped with
Fixed fixation hole is passed through for 300 end of the second conducting wire is exposed at fixation hole after the end of the second conducting wire 300 passes through fixation hole
Outer part forms the second stationary contact 32.Stable stationary contact is formed by the way of fixing 300 end of the second conducting wire, is not necessarily to volume
The outer individual stationary contact point structure of configuration, simplifies structure, is easy to implement breaker compact overall structure.
As depicted in figs. 1 and 2, the privates 301 of the resistance 30 is connect by conducting rod 33 with third stationary contact 34,
One end of the conducting rod 33 is connect with the end of privates 301 by rivet 302；The conducting rod 33 and mutual inductor 4
In the lower section of resistance 30, and conducting rod 33 is between mutual inductor 4 and resistance 30.It is compact-sized, firm and reliable connection.
Specifically, the conducting rod 33 include the first conductive segment 331 being connect with privates 301 and with third stationary contact
Second conductive segment 332 of 34 connection of point, the shell 1 are equipped with two the first limited blocks for limiting the first conductive segment 331
103 and for limiting the second limited block 104 for fixing the second conductive segment 332, second limited block 104 is equipped with and second
The fixed card slot that conductive segment 332 cooperates, described two first limited blocks 103 are shifted to install in the two sides of the first conductive segment 331.Institute
It states conducting rod 33 to be an integral molding structure, be connected between the first conductive segment 331 and the second conductive segment 332 in bending-like.It is conductive
Bar two-part bending structure ingehious design, is rationally compactly located between resistance and moving contact, and the first limited block and second
Conducting rod limit is fixed on shell by the setting of limited block securely.
Further, demarcation plate is equipped in shell 1, the cavity in shell 1 is divided by demarcation plate to be accommodated test button 2 and open
The first cavity of component is closed, and accommodates the second cavity of operating mechanism, moving contact 5 and static contact 6；On demarcation plate with third
The corresponding position of stationary contact 34 is equipped with matching hole, and third stationary contact 34 passes through matching hole and moving contact 5 cooperates.
In addition, the end of the test button 2, which extends, is equipped with spring fixed column 21,20 1 end cap of reset spring is in bullet
In spring fixed column 21, the shell 1 is equipped with spring anchor block 106, and the spring anchor block 106, which is equipped with, accommodates reset spring 20
The pockets 107 of the other end.
As shown in Figure 3-4, the working principle of the button test structure of the residual current action breaker of the utility model, when
When residual current action breaker is in open position, voltage is powered up in end of incoming cables, conducting rod 33 is not contacted with moving contact 5,
Test button 2 moves downward, and conducting bridge 201 first touches the second stationary contact 32 of 30 side of resistance, and test loop is still located at this time
In off-state, test button 2 continues to move downward, when 201 middle section contacts of conducting bridge to the first of 35 end of the first conducting wire
Stationary contact 31, test loop still disconnects, and product leading-out terminal will not detect supply voltage.
When residual current action breaker is in closing position, voltage, conducting rod 33 and dynamic touching are powered up in end of incoming cables
First 5 contact, test button 2 move downward, and conducting bridge 201 first touches the second stationary contact 32 of 30 side of resistance, tests back at this time
Road is still within off-state, and test button 2 continues to move downward, when 201 middle section contacts of conducting bridge to the first conducting wire 35
Test loop is connected when first stationary contact 31 at end, occurs simulation electric leakage signal in circuit.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (10)
1. a kind of button of residual current action breaker tests structure, including shell (1), the test being mounted on shell (1)
Button (2), test loop and switch block are equipped with reset spring (20) between the test button (2) and shell (1), special
Sign is: the switch block includes conducting bridge (201), resistance (30), mutual inductor (4), the first stationary contact (31), the second stationary contact
Point (32) and third stationary contact (34), the dynamic touching with the first stationary contact (31) and operating mechanism respectively of the both ends of the test loop
Head (5) connection, resistance (30) one end connect with the second stationary contact (32), and the privates (301) of resistance (30) other end is from mutual
Sensor (4) is connect after being pierced by with third stationary contact (34), third stationary contact (34) setting corresponding with moving contact (5), institute
Conducting bridge (201) is stated to be set on test button (2) for controlling the on-off of the first stationary contact (31) and the second stationary contact (32)；
When residual current action breaker is in open position, moving contact (5) respectively with static contact (6) and third stationary contact
(34) it disconnects；When residual current action breaker is in closing position, moving contact (5) is quiet with static contact (6) and third respectively
Contact (34) contact.
2. the button of residual current action breaker according to claim 1 tests structure, it is characterised in that: described first
Stationary contact (31) and the second stationary contact (32) are located between test button (2) and resistance (30), wherein first stationary contact
(31) close to test button (2), the second stationary contact (32) is close to resistance (30), the conducting bridge (201) position in off-position
In the top of the first stationary contact (31) and the second stationary contact (32)；The third stationary contact (34) is located at one end of moving contact (5)
Between lock (7), the other end of the moving contact (5) is matched with static contact (6).
3. the button of residual current action breaker according to claim 1 or 2 tests structure, it is characterised in that: described
The privates (301) of resistance (30) is connect by conducting rod (33) with third stationary contact (34)；The conducting rod (33) and mutually
Sensor (4) is located at the lower section of resistance (30), and conducting rod (33) is located between mutual inductor (4) and resistance (30).
4. the button of residual current action breaker according to claim 3 tests structure, it is characterised in that: the conduction
Bar (33) includes the first conductive segment (331) connecting with privates (301) and what is connect with third stationary contact (34) second lead
Electric section (332), the shell (1) are equipped with two the first limited blocks (103) for limiting the first conductive segment (331) and use
The second limited block (104) of the second conductive segment (332) is fixed in limit, second limited block (104) is equipped with and leads with second
The fixed card slot of electric section (332) cooperation, described two first limited blocks (103) shift to install the two of the first conductive segment (331)
Side；The conducting rod (33) is an integral molding structure, and is in bending between the first conductive segment (331) and the second conductive segment (332)
Shape connection.
5. the button of residual current action breaker according to claim 1 or 2 tests structure, it is characterised in that: described
First stationary contact (31) and the second stationary contact (32) are located at the side of test button (2), one end of the reset spring (20) to
First stationary contact (31) and the second stationary contact (32) side are extended conducting bridge (201), conducting bridge (201) position in off-position
In the top of the first stationary contact (31) and the second stationary contact (32).
6. the button of residual current action breaker according to claim 5 tests structure, it is characterised in that: described first
For stationary contact (31) between the second stationary contact (32) and test button (2), the second stationary contact (32) is higher than the first stationary contact
(31)。
7. the button of residual current action breaker according to claim 1 or 2 tests structure, it is characterised in that: described
Resistance (30) connect by the second conducting wire (300) with the second stationary contact (32), and the shell (1) is equipped with being used to fix the respectively
Two the first fixed blocks (101) of two conducting wires (300) and privates (301), two the first fixed blocks (101) are located at resistance
(30) middle part of two sides, first fixed block (101) is equipped with fixed groove；The shell (1) is equipped with for fixing the
Second fixed block (102) of two conducting wires (300) end, the second fixed block (102) are equipped with and wear for the second conducting wire (300) end
Fixed fixation hole is crossed, after the end of the second conducting wire (300) passes through fixation hole, the part being exposed at outside fixation hole forms the second stationary contact
Point (32).
8. the button of residual current action breaker according to claim 1 or 2 tests structure, it is characterised in that: described
Shell (1) is equipped with the third fixed block (105) of first conducting wire (35) of fixed test loop one end, third fixed block (105)
Equipped with the fixed hole passed through for the first conducting wire (35), after first conducting wire (35) passes through fixed hole, stretch out fixed logical
The part in hole forms the first stationary contact (31).
9. the button of residual current action breaker according to claim 1 tests structure, it is characterised in that: the test
The end of button (2), which extends, is equipped with spring fixed column (21), (20) one end cap of reset spring on spring fixed column (21),
The shell (1) is equipped with spring anchor block (106), and it is another that the spring anchor block (106) is equipped with receiving reset spring (20)
The pockets (107) at end.
10. the button of residual current action breaker according to claim 1 tests structure, it is characterised in that: further include
Demarcation plate in shell (1), the cavity in shell (1) is divided by demarcation plate accommodates the of test button (2) and switch block
One cavity, and accommodate the second cavity of operating mechanism, moving contact (5) and static contact (6)；On demarcation plate with third stationary contact
(34) corresponding position is equipped with matching hole, and third stationary contact (34) passes through matching hole and moving contact (5) cooperate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821639604.0U CN209045467U (en) | 2018-10-10 | 2018-10-10 | The button of residual current action breaker tests structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821639604.0U CN209045467U (en) | 2018-10-10 | 2018-10-10 | The button of residual current action breaker tests structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209045467U true CN209045467U (en) | 2019-06-28 |
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ID=67035468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821639604.0U Active CN209045467U (en) | 2018-10-10 | 2018-10-10 | The button of residual current action breaker tests structure |
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| Country | Link |
|---|---|
| CN (1) | CN209045467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098822A (en) * | 2020-08-20 | 2020-12-18 | 国家电网有限公司 | Residual current operated circuit breaker is with going up electric detection device |
-
2018
- 2018-10-10 CN CN201821639604.0U patent/CN209045467U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098822A (en) * | 2020-08-20 | 2020-12-18 | 国家电网有限公司 | Residual current operated circuit breaker is with going up electric detection device |
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