CN109244702A - The circuit switching formula terminal board of band signal acquisition interface - Google Patents
The circuit switching formula terminal board of band signal acquisition interface Download PDFInfo
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- CN109244702A CN109244702A CN201811251480.3A CN201811251480A CN109244702A CN 109244702 A CN109244702 A CN 109244702A CN 201811251480 A CN201811251480 A CN 201811251480A CN 109244702 A CN109244702 A CN 109244702A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/515—Terminal blocks providing connections to wires or cables
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- Connections Arranged To Contact A Plurality Of Conductors (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention discloses a kind of circuit switching formula terminal boards of band signal acquisition interface, including several short units and several socket units, each short unit includes plastic body, two conductive plates, two conductive clips, two locking members, one short-circuit jumper and a plastic lid, electric current transmission and signal acquisition innovation are integrated together, keep terminal table structure more compact, using when station reduce, convenient for management, it reduces costs, and improve the connection type of signal acquisition route, innovative design conductive clip, cooperated by the way of " hole axle ", and conductive clip is fixed on short-circuit jumper by the technique by welding, make to combine more stable, it is able to satisfy the application of severe use condition.The clamping opening of conductive clip is used for external contact pin, and for plastic packaging lid for accommodating positioning short-circuit jumper and conductive clip, and external socket, this fit system, signal acquisition is more stable, and use scope is wide, and application is more flexible, and can achieve the effect that antidetonation.
Description
Technical field
The present invention relates to a kind of terminal boards, are specifically related to a kind of circuit switching formula terminal board of band signal acquisition interface.
Background technique
Terminal board is also referred to as electric connector or connecting terminal, can fast implement electric wire and electric wire, electric wire and circuit board, with
And the connection of circuit board and circuit board, it is indispensable component in electronic equipment, application field is more and more extensive, terminal board shape
Formula and structure are ever-changing, with differences such as application, frequency, power, application environments, there is the electricity of various different structure forms
Connector.Connection type between electric connector and electric wire mainly has screw type, spring-piece type, punctures wire insulation skin, electric wire end
Hold the modes such as cold end terminal.
Terminal board as circuit switching in use, have signal acquisition carry out infomation detection functional requirement, at this time, it may be necessary to
Signal acquisition route is added on terminal board, for signal acquisition.Referring to Fig. 1, terminal board carry out when signal acquisition needs by
Then two incoming lines of short-circuit jumper connection terminal platform connect short-circuit jumper and the pcb board for acquiring signal by conducting wire,
Wherein, on short-circuit jumper, the other end is welded on pcb board conducting wire one ends wound, realizes that signal acquisition carries out infomation detection
Function.This acquisition signal winds point with conducting wire, will appear the risk of loosening in use, conducting wire one end is welded on pcb board
It can make terminal board flexibility reduction, application range reduces.And it can not be switched off/on signal acquisition route as needed, it has not been convenient to make
With.In addition, two incoming lines of short-circuit jumper connection terminal platform, occupy the electric current transmission line of terminal board, that is to say, that end
Electric current transmission line, the signal acquisition route of sub- platform must be provided separately, and electric current transmission and information collection separately handle completion respectively
From function, complete electric current transmission and the functions such as signal acquisition, detection in this way, being worked together by multiple terminal boards, so as to cause
Demand terminal board quantity is more, and occupied space is big, and management cost is big.
Summary of the invention
In order to solve the above-mentioned technical problem, the present invention proposes a kind of circuit switching formula terminal board of band signal acquisition interface,
Electric current is transmitted and is integrated with signal acquisition, its more compact structure is made, station is reduced, convenient for management, reduces costs, and
Improve the connection type of signal acquisition route, signal acquisition is more stable, wider using more flexible and application range when use.
The technical scheme of the present invention is realized as follows:
A kind of circuit switching formula terminal board of band signal acquisition interface, including several short units, each short unit packet
Include plastic body, two conductive plates and two one-to-one two conductive clips of conductive plate and two conductive plates
One-to-one two locking members, a short-circuit jumper and a plastic lid, the conductive plate is L-shaped, including erection part and level
Portion, the first plug wire hole is formed in the erection part, and the conductive clip includes Z-shaped interconnecting piece and is connected to the connection
The clamping part with clamping opening of the one end in portion is formed with the second plug wire hole on the interconnecting piece, and the plastic body front is formed
There are spaced and two one-to-one two inlet wire slots of conductive plate, the plastic body back side is formed with interval and sets
Set with two one-to-one two short circuits slots of conductive plate, one end of the short-circuit jumper, which is sequentially spaced, penetrates an institute
It states in the first plug wire hole in the second plug wire hole on the interconnecting piece of conductive clip and in the erection part of a conductive plate, and
Respectively it is welded and fixed；The other end of the short-circuit jumper is sequentially spaced on the interconnecting piece for penetrating another conductive clip
In the first plug wire hole in two plug wire holes and in the erection part of another conductive plate, and respectively it is welded and fixed；The conduction
Plate accommodating is positioned in its corresponding short circuit slot, and the horizontal part of the conductive plate is through between the short circuit slot and the inlet wire slot
Escape port is inserted into its corresponding inlet wire slot, and the conducting wire for being inserted into the inlet wire slot can be locked to described lead by the locking member
On the horizontal part of battery plate；The plastic lid includes cap body, wire jumper cover and one-to-one with two conductive clips
Two clamping opening plugs, the cap body are detachably plugged on the short circuit slot at the plastic body back side, the wire jumper cover tool
There is accommodating to position the first accommodating cavity of the interconnecting piece of the short-circuit jumper and two conductive clips, the clamping opening plug has
Accommodating positions the second accommodating cavity of the clamping part of its corresponding conductive clip, and the clamping opening plug ends have via hole.
It further, further include several socket units, each socket unit includes jack body, the jack body side
Formed with two one-to-one grafting chambers of clamping opening plug, be formed in the grafting chamber corresponding with the conductive clip
Contact pin and conduct piece, the clamping opening plug is removable to be plugged in the grafting chamber, and the contact pin is through the clamping opening plug ends
On via hole enter second accommodating cavity, and clamped by the clamping opening of the clamping part, the socket unit is installed on a PCB
On plate, the conduct piece leads to the electrical property of the contact pin on the pcb board.
Further, be formed in the erection part of the conductive plate between the upper and lower every two first positioning holes, the short circuit
It is formed in slot and is inserted in institute with two one-to-one two first positioning columns of first positioning hole, first positioning column
It states in first positioning hole, the conductive plate is positioned.
Further, it is formed with second location hole on the interconnecting piece of the conductive clip, is formed in the cap body
The second positioning column corresponding with the second location hole, second positioning column are inserted in the second location hole, meanwhile, institute
The interconnecting piece of the conductive clip is connected in the cap body by the end for stating the first positioning column, to the conductive clip into
Row positioning.
Further, the locking member includes screw and nut, and the inlet wire slot bottom is formed with accommodating and positions the nut
And the deep gouge of the evacuation screw, the nut are positioned in the deep gouge, are formed with through-hole on the horizontal part of the conductive plate,
The screw passes through the through-hole and connect with the nut thread.
Further, card convex is each formed at the top and bottom of the cap body, on the short circuit slot of the plastic body
It is formed with card slot corresponding with the card convex, the plastic lid and the plastic body and passes through the card convex and the card slot
Cooperation is realized and is detachably connected.
Further, it is formed with guide groove at the top of the clamping opening plug, is formed at the top of the grafting chamber and is led with described
To the corresponding guide pad of slot, the guide pad is inserted in the guide groove, and clamping opening plug bottom formation arc is convex, described
The bottom of grafting chamber be formed with it is recessed with the convex corresponding arc of the arc, the arc is convex be inserted in the arc it is recessed in.
The beneficial effects of the present invention are: the present invention provides a kind of circuit switching formula terminal board of band signal acquisition interface, it will
Electric current transmission line becomes one with signal acquisition route, while having the function of electric current transmission line Yu signal acquisition route
Can, make its more compact structure, station is reduced, and convenient for management, is reduced costs.Signal acquisition line routes two conductive clips, short
Road wire jumper, plastic lid composition, two conductive clips cooperate using " hole axle " by the way of, and are fixed on by the technique of welding short
On the wire jumper of road, make combine it is more stable, be able to satisfy the application of severe use condition.Conductive clip is designed using Z-type structure, enhancing
The elasticity of metalwork, elasticity is more preferable, and the clamping opening of conductive clip is used for external contact pin, and plastic packaging lid is jumped for accommodating positioning short circuit
Line and conductive clip, and external socket, this fit system, signal acquisition is more stable, and use scope is wide, and can reach antidetonation
Effect.Electric current transmission line is made of locking member, conductive plate and short-circuit jumper, and conducting wire is locked to L-type by locking member and is led
On the horizontal part of battery plate, short-circuit jumper is connect with the erection part of L-type conductive plate by way of welding shaft hole matching, is being realized
While signal acquisition, electric current transmission can also be carried out.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that existing line rotary-connecting terminal board carries out signal acquisition；
Fig. 2 be the present invention in band signal acquisition interface circuit switching formula terminal board perspective view (wherein short unit with
Socket unit is separated from)；
Fig. 3 is the exploded view of the circuit switching formula terminal board of band signal acquisition interface in the present invention；
Fig. 4 is the partial sectional view of the circuit switching formula terminal board of band signal acquisition interface in the present invention；
Fig. 5 is the partial cutaway that the circuit switching formula terminal board of the band signal acquisition interface after socket unit is removed in the present invention
View；
Fig. 6 is the broken section that the circuit switching formula terminal board of the band signal acquisition interface after plastic lid is removed in the present invention
Figure；
Fig. 7 is the structural schematic diagram of socket unit in the present invention；
Fig. 8 is current loop and signal circuit schematic diagram in the present invention.
Specific embodiment
It is more obvious and easy to understand to enable the invention to, a specific embodiment of the invention is done with reference to the accompanying drawing detailed
Explanation.
Fig. 2 be the present invention in band signal acquisition interface circuit switching formula terminal board perspective view (wherein short unit with
Socket unit is separated from)；Fig. 3 is the exploded view of the circuit switching formula terminal board of band signal acquisition interface in the present invention；Fig. 4 is this
The partial sectional view of the circuit switching formula terminal board of band signal acquisition interface in invention；Fig. 5 is to remove socket unit in the present invention
The partial sectional view of the circuit switching formula terminal board of band signal acquisition interface afterwards；Fig. 6 is after removing plastic lid in the present invention
The partial sectional view of the circuit switching formula terminal board of band signal acquisition interface；Fig. 7 is the structural representation of socket unit in the present invention
Figure.
As shown in Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, a kind of circuit switching formula terminal board of band signal acquisition interface,
Including several short units 1, each short unit includes 11, two conductive plates 12 of plastic body and two conductive plates one
One corresponding two conductive clips 13, with one-to-one two locking members 14 of two conductive plates, a short-circuit jumper 15 and
One plastic lid 16, the conductive plate is L-shaped, including erection part 121 and horizontal part 122, is formed with first in the erection part
Plug wire hole 123, the conductive clip include that Z-shaped interconnecting piece 131 and the one end for being connected to the interconnecting piece have a clamping opening
133 clamping part 132, the second plug wire hole 134 is formed on the interconnecting piece, and the plastic body front is formed with interval setting
With two one-to-one two inlet wire slots 111 of conductive plate, the plastic body back side be formed with it is spaced with
Two one-to-one two short circuits slots 112 of conductive plate, one end of the short-circuit jumper is sequentially spaced and penetrates described in one
In the first plug wire hole in the second plug wire hole on the interconnecting piece of conductive clip and in the erection part of a conductive plate, and it is each
From being welded and fixed；The other end of the short-circuit jumper is sequentially spaced second on the interconnecting piece for penetrating another conductive clip
In the first plug wire hole in plug wire hole and in the erection part of a conductive plate, and respectively it is welded and fixed；The conductive plate holds
It sets and is positioned in its corresponding described short circuit slot, the horizontal part of the conductive plate is through between the short circuit slot and the inlet wire slot
Escape port 113 is inserted into its corresponding inlet wire slot, and the conducting wire for being inserted into the inlet wire slot can be locked to institute by the locking member
It states on the horizontal part of conductive plate；The plastic lid include cap body 161, wire jumper cover 162 and with two conductive clips
One-to-one two clamping opening plugs 163, the cap body are detachably plugged on the short circuit slot at the plastic body back side,
The wire jumper cover has the first accommodating cavity 1621 of the interconnecting piece of the accommodating positioning short-circuit jumper and two conductive clips,
The clamping opening plug has the second accommodating cavity 1631 of the clamping part of its corresponding conductive clip of accommodating positioning, the clamping opening plug
End has via hole 1632.
Above structure terminal board becomes one electric current transmission line and signal acquisition route, while having electric current biography
The function of defeated route and signal acquisition route makes its more compact structure, and station is reduced, and convenient for management, reduces costs, signal is adopted
Line concentration routes two conductive clips, short-circuit jumper, plastic lid composition, and two conductive clips are cooperated by the way of " hole axle ",
And by weld technique be fixed on short-circuit jumper, make combine it is more stable, be able to satisfy the application of severe use condition.It is conductive
Intermediate plate is designed using Z-type structure, enhances the elasticity of metalwork, and elasticity is more preferable, and the clamping opening of conductive clip is used for external contact pin, modeling
Capping is for accommodating positioning short-circuit jumper and conductive clip, and external socket, and this fit system, signal acquisition is more stable,
Use scope is wide, and can achieve the effect that antidetonation.Electric current transmission line is made of locking member, conductive plate and short-circuit jumper, is led to
It crosses locking member to be locked to conducting wire on the horizontal part of L-type conductive plate, by short-circuit jumper and L-type by way of welding shaft hole matching
The erection part of conductive plate connects, and while realizing signal acquisition, can also carry out electric current transmission.
Preferably, referring to fig. 2 and Fig. 7, terminal board further include several socket units 2, each socket unit includes socket sheet
Body 21, the jack body side is formed and two one-to-one grafting chambers 211 of clamping opening plug, shape in the grafting chamber
The corresponding contact pin 212 of conductive clip described in Cheng Youyu and conduct piece 213, the clamping opening plug is removable to be plugged in the grafting chamber
Interior, the contact pin enters second accommodating cavity through the via hole in the clamping opening plug ends, and by the clamping opening of the clamping part
It clamps, the socket unit is installed on a pcb board 3, and the electrical property of the contact pin is led to the pcb board by the conduct piece
On.In this way, signal acquisition route is used cooperatively in the form of plug, socket, application is more flexible, can replace different acquisitions
Specification, type of device etc..
Preferably, referring to Fig. 3 and Fig. 4, be formed in the erection part of the conductive plate between the upper and lower every two first positioning
Hole 124, be formed in the short circuit slot with two one-to-one two first positioning columns 114 of location hole, described first
Positioning column is inserted in the first positioning hole, is positioned to the conductive plate.In this way, fixed by the first positioning column and first
The cooperation in position hole realizes conductive plate in the positioning being shorted in slot, cooperate the horizontal part of conductive plate be shorted slot and inlet wire slot it
Between escape port in positioning, the fixation of conductive plate may be implemented.
Preferably, referring to Fig. 3 and Fig. 5, second location hole 135, the lid are formed on the interconnecting piece of the conductive clip
The second positioning column 1611 corresponding with the second location hole is formed on sub- ontology, second positioning column is inserted in described
Two positioning holes, meanwhile, the interconnecting piece of the conductive clip is connected to the cap body by the end of first positioning column
On, the conductive clip is positioned.In this way, passing through the cooperation of the second positioning column and second location hole and the first positioning
The function of fixed conductive clip may be implemented in the cooperation of column and cap body.
Preferably, referring to Fig. 3 and Fig. 4, the locking member includes screw 141 and nut 142, and the inlet wire slot bottom is formed with
Accommodating positions the deep gouge 115 of the nut and the evacuation screw, and the nut is positioned in the deep gouge, the conductive plate
Through-hole 125 is formed on horizontal part, the screw passes through the through-hole and connect with the nut thread.By in screw and deep gouge
Nut threaded connection, conducting wire can be locked on the horizontal part of conductive plate, realize and be electrically connected with conducting wire.
Preferably, referring to Fig. 3, card convex 1612, the plastic body are each formed at the top and bottom of the cap body
Short circuit slot on be formed with card slot 116 corresponding with the card convex, the plastic lid and the plastic body pass through the card
The convex cooperation realization with the card slot is detachably connected.In this way, by the cooperation of card convex and card slot, may be implemented plastic body with
Plastic lid is detachably connected.
Preferably, referring to Fig. 5 and Fig. 7, the clamping opening plug top is formed with guide groove 1633, the top of the grafting chamber
It is formed with guide pad 214 corresponding with the guide groove, the guide pad is inserted in the guide groove, clamping opening plug bottom
Portion formed arc convex 1634, the bottom of the grafting chamber be formed with the convex corresponding arc recessed 215 of the arc, the arc is convex
It is recessed interior to be inserted in the arc.In this way, it is convex with the recessed cooperation of arc by the cooperation of guide pad and guide groove and arc, it can
To realize the removable plug of clamping opening plug and jack body.
Fig. 8 is current loop and signal circuit schematic diagram in the present invention；Referring to Fig. 8, added on terminal board current loop
Branch forms signal circuit for signal acquisition, and in signal circuit, conductive clip one end is using flanging process molding, with route
(short-circuit jumper) forms " hole axle " cooperation, and fixed on the line in the processing technology by welding, the conductive clip other end is formed
The contact pin (Pin needle) of clamping opening and acquisition part cooperates, and the signal of terminal board is sent on collector and pcb board, completes signal and adopts
The functions such as collection, detection.In current loop, the horizontal part of conductive plate is electrically connected with conducting wire, and erection part and the route of conductive plate are formed
" hole axle " cooperation, and it is fixed on the line in the processing technology by welding, realize the transmission of electric current.
Above embodiments are referring to attached drawing, to a preferred embodiment of the present invention will be described in detail.Those skilled in the art
Member by above-described embodiment carry out various forms on modification or change, but without departing substantially from essence of the invention in the case where, all
It falls within the scope and spirit of the invention.
Claims (7)
1. a kind of circuit switching formula terminal board of band signal acquisition interface, which is characterized in that including several short units (1), often
A short unit includes plastic body (11), two conductive plates (12) and two one-to-one two conductions of conductive plate
Intermediate plate (13), with one-to-one two locking members (14) of two conductive plates, a short-circuit jumper (15) and a plastic lid
(16), the conductive plate is L-shaped, including erection part (121) and horizontal part (122), is formed with the first plug wire in the erection part
Hole (123), the conductive clip include Z-shaped interconnecting piece (131) and be connected to the interconnecting piece one end have clamping opening
(133) clamping part (132) is formed with the second plug wire hole (134) on the interconnecting piece, between the plastic body front is formed with
Every setting and two one-to-one two inlet wire slots (111) of conductive plate, the plastic body back side is formed with interval
Be arranged with two one-to-one two short circuit slots (112) of conductive plate, one end of the short-circuit jumper is sequentially spaced and wears
Enter first in the second plug wire hole on the interconnecting piece of a conductive clip and in the erection part of a conductive plate to insert
In string holes, and respectively it is welded and fixed；The other end of the short-circuit jumper is sequentially spaced the company for penetrating another conductive clip
In the first plug wire hole in the second plug wire hole in socket part and in the erection part of another conductive plate, and respectively welding is solid
It is fixed；Conductive plate accommodating is positioned in its corresponding short circuit slot, the horizontal part of the conductive plate through the short circuit slot with it is described
Escape port (113) between inlet wire slot is inserted into its corresponding inlet wire slot, and the locking member can will be inserted into the inlet wire slot
Conducting wire be locked on the horizontal part of the conductive plate；The plastic lid include cap body (161), wire jumper cover (162) and
With two one-to-one two clamping opening plugs (163) of conductive clip, the cap body is detachably plugged in the modeling
On the short circuit slot at the glue ontology back side, the wire jumper cover has the company of the accommodating positioning short-circuit jumper and two conductive clips
The first accommodating cavity (1621) of socket part, the clamping opening plug have the second of the clamping part of its corresponding conductive clip of accommodating positioning
Accommodating cavity (1631), the clamping opening plug ends have via hole (1632).
2. the circuit switching formula terminal board of band signal acquisition interface according to claim 1, it is characterised in that: if further including
Stem socket unit (2), each socket unit include jack body (21), and the jack body side is formed and two clamping opening
The one-to-one grafting chamber of plug (211) is formed with contact pin (212) corresponding with the conductive clip in the grafting chamber and leads
Electric part (213), the clamping opening plug is removable to be plugged in the grafting chamber, and the contact pin is through in the clamping opening plug ends
Via hole enters second accommodating cavity, and is clamped by the clamping opening of the clamping part, and the socket unit is installed on a pcb board
(3) on, the conduct piece leads to the electrical property of the contact pin on the pcb board.
3. the circuit switching formula terminal board of band signal acquisition interface according to claim 1, it is characterised in that: the conduction
Be formed in the erection part of plate between the upper and lower every two first positioning holes (124), be formed in the short circuit slot with described in two
One-to-one two the first positioning columns (114) of first positioning hole, first positioning column are inserted in the first positioning hole,
The conductive plate is positioned.
4. the circuit switching formula terminal board of band signal acquisition interface according to claim 3, it is characterised in that: the conduction
It is formed with second location hole (135), is formed in the cap body corresponding with the second location hole on the interconnecting piece of intermediate plate
The second positioning column (1611), second positioning column is inserted in the second location hole, meanwhile, first positioning column
The interconnecting piece of the conductive clip is connected in the cap body by end, is positioned to the conductive clip.
5. the circuit switching formula terminal board of band signal acquisition interface according to claim 1, it is characterised in that: the locking
Part includes screw (141) and nut (142), and the inlet wire slot bottom is formed with accommodating and positions the nut and avoid the screw
Deep gouge (115), the nut are positioned in the deep gouge, and through-hole (125), the spiral shell are formed on the horizontal part of the conductive plate
Silk passes through the through-hole and connect with the nut thread.
6. the circuit switching formula terminal board of band signal acquisition interface according to claim 1, it is characterised in that: the lid
It is each formed with card convex (1612), is formed on the short circuit slot of the plastic body corresponding with the card convex at the top and bottom of ontology
Card slot (116), the plastic lid and the plastic body are realized detachably by the cooperation of the card convex and the card slot
Connection.
7. the circuit switching formula terminal board of band signal acquisition interface according to claim 2, it is characterised in that: the clamping opening
It is formed with guide groove (1633) at the top of plug, guide pad corresponding with the guide groove is formed at the top of the grafting chamber
(214), the guide pad is inserted in the guide groove, and clamping opening plug bottom formation arc is convex (1634), the grafting
The bottom of chamber be formed with it is recessed (215) with the convex corresponding arc of the arc, the arc is convex be inserted in the arc it is recessed in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251480.3A CN109244702B (en) | 2018-10-25 | 2018-10-25 | Line switching type terminal block with signal acquisition interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811251480.3A CN109244702B (en) | 2018-10-25 | 2018-10-25 | Line switching type terminal block with signal acquisition interface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109244702A true CN109244702A (en) | 2019-01-18 |
| CN109244702B CN109244702B (en) | 2023-10-10 |
Family
ID=65082145
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811251480.3A Active CN109244702B (en) | 2018-10-25 | 2018-10-25 | Line switching type terminal block with signal acquisition interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109244702B (en) |
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| CN114421247A (en) * | 2021-12-16 | 2022-04-29 | 厦门唯恩电气有限公司 | Short circuit device and heavy load connector |
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