CN208689101U - Earth leakage protective device surveys current device - Google Patents
Earth leakage protective device surveys current device Download PDFInfo
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- CN208689101U CN208689101U CN201821400679.3U CN201821400679U CN208689101U CN 208689101 U CN208689101 U CN 208689101U CN 201821400679 U CN201821400679 U CN 201821400679U CN 208689101 U CN208689101 U CN 208689101U
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- terminal
- fire line
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- fixing seat
- line terminal
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Abstract
The utility model relates to field of current measurement, in particular to earth leakage protective device surveys current device, including insulation protection shell, cramping terminal fixing seat, fire line terminal A, fire line terminal B, firewire current transformer, zero terminal A, zero terminal B, total current mutual inductor, the fixed plug of insulation, M5 tension disk, signal data pcb board, PCB fixing seat and connection terminal fixing seat lid, the centre of insulation protection shell is a cavity, cramping terminal fixing seat, fire line terminal A, fire line terminal B, firewire current transformer, zero terminal A, zero terminal B, total current mutual inductor, the fixed plug of insulation, M5 tension disk, signal data pcb board, PCB fixing seat and connection terminal fixing seat lid are all located inside cavity.Compared with prior art, the earth leakage protective device of the utility model surveys current device, replaces welding annealed copper wire using conductor Joining Technology, takes full advantage of the circular channel space among current transformer, reduce the volume of existing product.
Description
[technical field]
The utility model relates to field of current measurement, in particular to earth leakage protective device surveys current device.
[background technique]
Existing product surveys current device simultaneously without zero curve and firewire, and part has the survey of firewire current sense function in the market
Current device, general technology is complicated, needs to weld annealed copper wire on the conductor between two-terminal across current transformer, passes through electric current
Mutual inductor sensed current signal, this welding procedure welding position cause conductor to pass through high current it is easy to appear dry joint, rosin joint
Shi Yichang open circuit, and generally occupied space is larger, structure is complicated, part is more, packaging technology is cumbersome, high production cost.
[utility model content]
In order to overcome the above problem, the utility model proposes a kind of earth leakage protective devices to survey current device.
The utility model solves a kind of technical solution that above-mentioned technical problem uses: providing a kind of earth leakage protective device survey electricity
Flow device, including insulation protection shell, cramping terminal fixing seat, fire line terminal A, fire line terminal B, firewire current transformer, zero curve
Terminal A, zero terminal B, total current mutual inductor, insulate fixed plug, M5 tension disk, signal data pcb board, PCB fixing seat and company
Connecting terminal fixes flap；
The centre of the insulation protection shell be a cavity, the cramping terminal fixing seat, fire line terminal A, fire line terminal B,
Firewire current transformer, zero terminal A, zero terminal B, total current mutual inductor, the fixed plug of insulation, M5 tension disk, signal data
Pcb board, PCB fixing seat and connection terminal fixing seat lid are all disposed within inside the cavity among insulation protection shell；
One end of the fire line terminal A is equipped with fire line terminal A clipper joint, the fire line terminal A and fire line terminal A clipper joint
It is integrated setting, one end of the fire line terminal B is equipped with fire line terminal B connector, and the fire line terminal B and fire line terminal B connect
Connector is integrated setting, and one end of the zero terminal A is equipped with zero terminal A clipper joint, the zero terminal A and zero terminal
A clipper joint is integrated setting, and one end of the zero terminal B is equipped with zero terminal B connector, the zero terminal B and zero curve
Terminal B connector is integrated setting；
The firewire current transformer and total current mutual inductor are all circular, the firewire current transformer and total current
The centre of mutual inductor is designed with circular channel；
There are two the M5 tension disks；
The bottom of the insulation protection shell and cramping terminal fixing seat is designed with two corresponding through-holes, the insulation protection
The trailing flank of shell is set there are two round hole；
The fire line terminal A clipper joint of one end of the fire line terminal A is inserted into a M5 tension disk, the fire line terminal A
The other end pass through total current mutual inductor among circular channel after be fixedly connected with the other end of fire line terminal B with brass screws,
Other end copper of the other end of the zero terminal B after the circular channel among total current mutual inductor with zero terminal A
Screw is fixedly connected, and the zero terminal A clipper joint of one end of the zero terminal A is inserted into another M5 tension disk, the fire
Fixed insulation is isolated with the fixed plug of insulation in the circular channel among total current mutual inductor in line terminals A and zero terminal B, described
Again separately through the circular channel among firewire current transformer, the connection terminal fixing seat is covered for one end of fire line terminal B
If there are two opening, the fire line terminal B connector and zero terminal B connector covered respectively from connection terminal fixing seat two
A opening is exposed at the upper surface of connection terminal fixing seat lid after being pierced by；
The secondary side outlet of the firewire current transformer and total current mutual inductor is all connected on signal data pcb board solid
It is fixed.
Preferably, the insulation protection shell, cramping terminal fixing seat, the fixed plug of insulation, PCB fixing seat and connection terminal are solid
Reservation lid is plastic material.
Preferably, the fire line terminal A, fire line terminal B, zero terminal A and zero terminal B are red copper material.
Preferably, the M5 tension disk is iron material matter.
Compared with prior art, the earth leakage protective device of the utility model surveys current device, the novel work connected using conductor
Skill extends copper sheet instead of traditional welding annealed copper wire, using two joint terminals, by prolongation directly through total current mutual inductor,
Input terminal and outlet terminal are fixed together with brass screws again, extend copper sheet part in narrow total current mutual inductor
Cleverly bending is fixed in intermediate circular channel, and the circular channel space among total current mutual inductor is adequately utilized, and is contracted
The volume of small colleague's existing product, while also having prevented the risk that original welding procedure may cause, input terminal completely
It is rigid connection with outlet terminal, vibration will not be generated and rocked, short circuit will not be led to because rocking displacement with other conductors, occupied empty
Between it is small, convenient for assembling, prevent bad.
[Detailed description of the invention]
Fig. 1 is the disassemblying structure schematic diagram that the utility model earth leakage protective device surveys current device；
Fig. 2 is the assembling overall structure diagram that the utility model earth leakage protective device surveys current device；
Diagram: 1- insulation protection shell, 2- cramping terminal fixing seat, 3- fire line terminal A, 4- fire line terminal B, 5- firewire electric current
Mutual inductor, 6- zero terminal A, 7- zero terminal B, 8- total current mutual inductor, 9-, which insulate, fixes plug, 10-M5 tension disk, 11- letter
Number pcb board, 12-PCB fixing seat, 13- connection terminal fixing seat lid, 31- fire line terminal A clipper joint, 41- fire line terminal B
Connector, 61- zero terminal A clipper joint, 71- zero terminal B connector.
[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 for explaining
The utility model is not used to limit the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
It is only limitted to the relative position in given view, rather than absolute position.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.
Fig. 1 and Fig. 2 are please referred to, the earth leakage protective device of the utility model surveys current device, including insulation protection shell 1, clamp
Terminal fixing pedestal 2, fire line terminal A3, fire line terminal B4, firewire current transformer 5, zero terminal A6, zero terminal B7, total electricity
Current transformer 8, the fixed plug 9 of insulation, M5 tension disk 10, signal data pcb board 11, PCB fixing seat 12 and connection terminal fixing seat
Lid 13.
The centre of the insulation protection shell 1 is a cavity, the cramping terminal fixing seat 2, fire line terminal A3, fire line terminal
B4, firewire current transformer 5, zero terminal A6, zero terminal B7, total current mutual inductor 8, the fixed plug of insulation 9, M5 tension disk
10, signal data pcb board 11, PCB fixing seat 12 and connection terminal fixing seat lid 13 are all disposed within the appearance among insulation protection shell 1
Inside chamber, the insulation protection shell 1 plays fixed, support, insulation and protective effect.
One end of the fire line terminal A3 is equipped with fire line terminal A clipper joint 31, the fire line terminal A3 and fire line terminal A folder
Connector 31 is integrated setting, and one end of the fire line terminal B4 is equipped with fire line terminal B connector 41, the fire line terminal B4 and fire
Line terminals B connector 41 is integrated setting, and one end of the zero terminal A6 is equipped with zero terminal A clipper joint 61, the zero curve
Terminal A6 and zero terminal A clipper joint 61 are integrated setting, and one end of the zero terminal B7 is equipped with zero terminal B connector
71, the zero terminal B7 and zero terminal B connector 71 are integrated setting.
The firewire current transformer 5 and total current mutual inductor 8 are all annular shape, the firewire current transformer 5 and total
The centre of current transformer 8 is designed with circular channel.
There are two the M5 tension disks 10, and a M5 tension disk 10 is used for fire line terminal A clipper joint 31 and firewire outlet
Clamping connection is fixed, another M5 tension disk 10 is for fixing zero terminal A clipper joint 61 and zero curve outlet clamping connection.
The bottom of the insulation protection shell 1 and cramping terminal fixing seat 2 is designed with two corresponding through-holes, and the through-hole is
Firewire outlet and zero curve outlet provide respective channel, and the trailing flank of the insulation protection shell 1 sets that there are two round holes, described two
Round hole provides respective channel to tighten the screw of two M5 tension disks 10.
The fire line terminal A clipper joint 31 of one end of the fire line terminal A3 is inserted into a M5 tension disk 10, the firewire
The other end of terminal A3 is solid with brass screws with the other end of fire line terminal B4 after the circular channel among total current mutual inductor 8
Fixed connection, the other end of the zero terminal B7 is after the circular channel among total current mutual inductor 8 with zero terminal A6's
The other end is fixedly connected with brass screws, and the zero terminal A clipper joint 61 of one end of the zero terminal A6 is inserted into another M5 folder
In line device 10, the fire line terminal A3 and zero terminal B7 are fixed in the circular channel among total current mutual inductor 8 with insulation
The fixed insulation of 9 isolation of plug, one end of the fire line terminal B4 again separately through the circular channel among firewire current transformer 5,
It is set on the connection terminal fixing seat lid 13 there are two opening, described two openings are respectively fire line terminal B connector 41 and zero
Line terminals B connector 71 provides respective channel, and the fire line terminal B connector 41 and zero terminal B connector 71 are respectively from even
Two openings on the fixed flap 13 of connecting terminal are exposed at the upper surface of connection terminal fixing seat lid 13, the fire line terminal B after being pierced by
Connector 41 is used to connect the inlet wire of firewire, and the zero terminal B connector 71 is used to connect the inlet wire of zero curve.
The secondary side outlet of the firewire current transformer 5 and total current mutual inductor 8 is all connected to signal data pcb board 11
Upper fixation is connected on other pcb boards for acquiring current signal, reads firewire current transformer 5 and total current mutual inductor 8
The size of surveyed electric current.
The cramping terminal fixing seat 2, PCB fixing seat 12 and connection terminal fixing seat lid 13 play support fixation and separate insulation
Effect, the cramping terminal fixing seat 2, PCB fixing seat 12 and connection terminal fixing seat lid 13 are used for fire line terminal A3, fire
Line terminals B4, firewire current transformer 5, zero terminal A6, zero terminal B7, the support fixation of total current mutual inductor 8 separate insulation.
The insulation protection shell 1, cramping terminal fixing seat 2, the fixed plug 9 of insulation, PCB fixing seat 12 and connection terminal are fixed
Flap 13 is plastic material, and the fire line terminal A3, fire line terminal B4, zero terminal A6 and zero terminal B7 are red copper material,
The M5 tension disk 10 is iron material matter.
Compared with prior art, the earth leakage protective device of the utility model surveys current device, the novel work connected using conductor
Skill extends copper sheet instead of traditional welding annealed copper wire, using two joint terminals, by prolongation directly through total current mutual inductor
8, then be fixed together input terminal and outlet terminal with brass screws, extend copper sheet part in narrow total current mutual inductance
Cleverly bending is fixed in circular channel among device 8, and the circular channel being adequately utilized among total current mutual inductor 8 is empty
Between, the volume of colleague's existing product is reduced, while also having prevented the risk that original welding procedure may cause, inlet wire completely
Terminal and outlet terminal are rigid connection, will not generate vibration and rock, will not lead to short circuit because rocking displacement with other conductors, account for
It is small with space, convenient for assembling, prevent bad.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
All any modifications made within the design of the utility model, equivalent replacement and improvement etc. should be included in the utility model
Scope of patent protection in.
Claims (4)
1. a kind of earth leakage protective device surveys current device, which is characterized in that including insulation protection shell, cramping terminal fixing seat, firewire
Terminal A, fire line terminal B, firewire current transformer, zero terminal A, zero terminal B, total current mutual inductor, the fixed plug of insulation, M5
Tension disk, signal data pcb board, PCB fixing seat and connection terminal fixing seat lid；
The centre of the insulation protection shell is a cavity, the cramping terminal fixing seat, fire line terminal A, fire line terminal B, firewire
Current transformer, zero terminal A, zero terminal B, total current mutual inductor, insulate fixed plug, M5 tension disk, signal data PCB
Plate, PCB fixing seat and connection terminal fixing seat lid are all disposed within inside the cavity among insulation protection shell；
One end of the fire line terminal A is equipped with fire line terminal A clipper joint, and the fire line terminal A and fire line terminal A clipper joint are one
One end of body setting, the fire line terminal B is equipped with fire line terminal B connector, the fire line terminal B and fire line terminal B connector
It is integrated setting, one end of the zero terminal A is equipped with zero terminal A clipper joint, the zero terminal A and zero terminal A folder
Connector is integrated setting, and one end of the zero terminal B is equipped with zero terminal B connector, the zero terminal B and zero terminal
B connector is integrated setting；
The firewire current transformer and total current mutual inductor are all circular, the firewire current transformer and total current mutual inductance
The centre of device is designed with circular channel；
There are two the M5 tension disks；
The bottom of the insulation protection shell and cramping terminal fixing seat is designed with two corresponding through-holes, the insulation protection shell
Trailing flank is set there are two round hole；
The fire line terminal A clipper joint of one end of the fire line terminal A is inserted into a M5 tension disk, and the fire line terminal A's is another
One end is fixedly connected with the other end of fire line terminal B with brass screws after passing through the circular channel among total current mutual inductor, described
Other end brass screws of the other end of zero terminal B after the circular channel among total current mutual inductor with zero terminal A
It is fixedly connected, the zero terminal A clipper joint of one end of the zero terminal A is inserted into another M5 tension disk, the zero line
Sub- A and zero terminal B is in the circular channel among total current mutual inductor with the fixed fixed insulation of plug isolation of insulation, the firewire
Again separately through the circular channel among firewire current transformer, the connection terminal fixing seat, which covers, to be equipped with for one end of terminal B
Two openings, cover respectively from connection terminal fixing seat two of the fire line terminal B connector and zero terminal B connector open
Mouth is exposed at the upper surface of connection terminal fixing seat lid after being pierced by；
The secondary side outlet of the firewire current transformer and total current mutual inductor is all connected on signal data pcb board fixed.
2. earth leakage protective device as described in claim 1 surveys current device, which is characterized in that the insulation protection shell, clamp end
Sub- fixing seat, the fixed plug of insulation, PCB fixing seat and connection terminal fixing seat lid are plastic material.
3. earth leakage protective device as described in claim 1 surveys current device, which is characterized in that the fire line terminal A, fire line terminal
B, zero terminal A and zero terminal B is red copper material.
4. earth leakage protective device as described in claim 1 surveys current device, which is characterized in that the M5 tension disk is iron material matter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821400679.3U CN208689101U (en) | 2018-08-28 | 2018-08-28 | Earth leakage protective device surveys current device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821400679.3U CN208689101U (en) | 2018-08-28 | 2018-08-28 | Earth leakage protective device surveys current device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208689101U true CN208689101U (en) | 2019-04-02 |
Family
ID=65887220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821400679.3U Active CN208689101U (en) | 2018-08-28 | 2018-08-28 | Earth leakage protective device surveys current device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208689101U (en) |
-
2018
- 2018-08-28 CN CN201821400679.3U patent/CN208689101U/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: 20200924 Address after: 518000 factory No.8, tianlixin Pioneer Park, Longxi community, Longgang street, Longgang District, Shenzhen City, Guangdong Province 209 Patentee after: Dongrun Hengyuan (Shenzhen) Technology Co., Ltd Address before: No. 2, No. 4, 36th floor, Sanlitun South, Chaoyang District, Beijing, 100000 Patentee before: Mou Yadong |
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| TR01 | Transfer of patent right |