CN119274938B - Low-voltage transformer - Google Patents
Low-voltage transformer Download PDFInfo
- Publication number
- CN119274938B CN119274938B CN202411822914.6A CN202411822914A CN119274938B CN 119274938 B CN119274938 B CN 119274938B CN 202411822914 A CN202411822914 A CN 202411822914A CN 119274938 B CN119274938 B CN 119274938B
- Authority
- CN
- China
- Prior art keywords
- box body
- junction box
- terminal
- short
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/20—Instruments transformers
- H01F38/22—Instruments transformers for single phase AC
- H01F38/28—Current transformers
- H01F38/30—Constructions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transformers For Measuring Instruments (AREA)
Abstract
本申请涉及互感器技术领域，具体涉及一种低压互感器，至少包括互感器本体、二次端接线盒，所述二次端接线盒包括接线盒体、端子总成、下压装置、短接装置；所述端子接线盒体呈矩形壳体状，所述接线盒体上端面设有调节上孔、接线上孔；所述端子总成设在接线盒体前端面；所述下压装置设在所述接线盒体后端面上方；所述短接装置设在所述接线盒体后端面下方，所述短接装置由下压装置挤压并向后位移，所述短接装置与端子总成接触实现短接。本案所述的一种低压互感器，通过二次端接线盒常态下通过导电线夹连接电表，需要更换电表时可以通过转动所述扭转顶杆来实现二次侧的短接，无需借助其他线夹以及导线。
The present application relates to the technical field of transformers, and specifically to a low-voltage transformer, which at least includes a transformer body and a secondary terminal junction box, wherein the secondary terminal junction box includes a junction box body, a terminal assembly, a pressing device, and a short-circuiting device; the terminal junction box body is in the shape of a rectangular shell, and the upper end face of the junction box body is provided with an upper adjustment hole and an upper wiring hole; the terminal assembly is arranged at the front end face of the junction box body; the pressing device is arranged above the rear end face of the junction box body; the short-circuiting device is arranged below the rear end face of the junction box body, and the short-circuiting device is squeezed and displaced backward by the pressing device, and the short-circuiting device contacts the terminal assembly to achieve short-circuiting. The low-voltage transformer described in this case is connected to an electric meter through a conductive wire clamp through the secondary terminal junction box under normal conditions. When the electric meter needs to be replaced, the secondary side can be short-circuited by rotating the torsion rod without the need for other wire clamps and wires.
Description
Technical Field
The application relates to the technical field of transformers, in particular to a low-voltage transformer.
Background
The current transformer is a device for converting large current into small current in a power system, and the secondary winding signal is mainly used for protecting, measuring, metering and other functions. In actual work, the short-circuit operation of the secondary side of the current transformer is often required, so that the secondary side ammeter is replaced and overhauled. However, the secondary terminal of the current transformer is very inconvenient in the traditional connection method due to the fact that the wiring screw is smaller, the secondary terminal of the traditional transformer is often connected in a mode of winding bare copper wires or crocodile clips, and the secondary terminal of the current transformer and the wiring screw have larger potential safety hazards and are inconvenient to use.
The scheme provides a low-voltage transformer which can be used for shorting a terminal assembly on the secondary side in advance.
Disclosure of Invention
The utility model provides a low-voltage transformer, includes the transformer body at least to and set up in the secondary termination line box of transformer body front end, the secondary termination line box includes:
the junction box body is rectangular, an adjusting upper hole is formed in the middle of the upper end face of the junction box body, a wiring upper hole is formed in the left side and the right side of the upper end face of the junction box body respectively, and the left side and the right side of the junction box body are detachably arranged.
The terminal assemblies are arranged on the front end face of the junction box body, and the two terminal assemblies are distributed symmetrically left and right;
the pressing device is arranged above the rear end face of the junction box body;
And the short-circuiting device is arranged below the rear end face of the junction box body, is extruded by the pressing device and is displaced backwards, and is contacted with the terminal assembly to realize short circuiting.
As an improved technical scheme:
The terminal assembly comprises a terminal substrate arranged on the front end face of the terminal box body, a wiring upright post arranged at the rear end of the terminal substrate, a wiring transverse shaft arranged on the inner side of the wiring upright post, a limiting slot arranged on the wiring transverse shaft, a sliding sleeve arranged on the wiring transverse shaft in a sliding mode, a driven inclined plane arranged on the inner side of the lower end of the sliding sleeve, a spring inserted rod arranged on the inner wall of the sliding sleeve and inserted into the limiting slot, a reset pressure spring arranged in the limiting slot and driving the spring inserted rod and the sliding sleeve to pop up inwards, wherein the driven inclined plane is gradually inclined from top to bottom in a direction deviating from the hole center of the adjusting upper hole, and the terminal substrate and the wiring upright post of the terminal assembly are made of conductive materials.
The pressing device comprises a cylinder base arranged above the rear end face of the junction box body, a limiting ring arranged in the middle of the inner wall of the cylinder base, a transverse through hole which penetrates through the lower half part of the cylinder base in the left-right direction, an internal thread pipe which is rotatably arranged in the cylinder base and is positioned above the limiting ring, and an external thread rod which is screwed in the internal thread pipe, wherein the left side and the right side of the external thread rod are respectively provided with a retaining cross arm which penetrates through the transverse through hole, the distal end of the retaining cross arm is abutted against the sliding sleeve, the lower end of the external thread rod is provided with a pressing inclined plane which is in pressing fit with the pressed inclined plane, the upper end of the internal thread pipe is provided with a torsion ejector rod, the upper end of the torsion ejector rod penetrates through the cylinder base and the upper end of the junction box body, the upper end of the torsion ejector rod is provided with a straight insertion hole or a cross insertion hole, and the retaining end of the retaining cross arm is provided with a driving inclined plane which is matched with the driven inclined plane.
The short circuit device comprises a guide cross rod arranged below the rear end face of the junction box body in the front-back direction, a longitudinal stop block arranged above the front end of the guide cross rod, a pressed sliding block arranged in the junction box body, a pressed inclined plane arranged at the rear end of the pressed sliding block, a cross rod jack arranged at the rear end of the pressed sliding block and used for accommodating insertion of the guide cross rod, a spring inner cavity arranged at the front end of the cross rod jack and used for accommodating the longitudinal stop block, a short circuit pressure spring arranged in the spring inner cavity and positioned at the rear of the longitudinal stop block, and a short circuit cross plate arranged at the front end of the pressed sliding block and used for connecting two terminal substrates, wherein the pressed inclined plane is arranged below the external threaded rod, and further the short circuit cross plate is made of conductive materials.
The beneficial effects are that:
according to the low-voltage transformer, the electric meter is connected through the conductive wire clamp in a normal state of the secondary terminal connection box, the torsion ejector rod can be rotated to realize short circuit of the secondary side when the electric meter needs to be replaced, and other wire clamps and wires are not needed.
The low-voltage transformer can realize short circuit operation and release operation through pushing down the device synchronization:
and the shorting operation is that the pressing device drives the shorting device to move forwards in a descending way, and the shorting transverse plate is connected with a pair of terminal substrates to realize the shorting of a pair of terminal assemblies.
And the releasing operation is that the pushing device is pushed down to enable the terminal assembly to stretch under the action of the reset pressure spring, the sliding sleeve does not squeeze and fix the conductive wire clamp any more, and the conductive wire clamp and an ammeter connected between the pair of conductive wire clamps are released.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the low voltage transformer.
FIG. 2 is a schematic diagram of one embodiment of the secondary wiring assembly.
FIG. 3 is a side view of one embodiment of the secondary wiring assembly.
FIG. 4 is an elevation view of one embodiment of the secondary wiring assembly.
Fig. 5 is a sectional view of a state of the section A-A in fig. 3.
Fig. 6 is a cross-sectional view of another state of the section A-A in fig. 3.
Fig. 7 is a cross-sectional view of a further state of section A-A of fig. 3 (with the hold-down and shorting devices omitted).
Figure 8 is an isometric cross-sectional view of one embodiment of section A-A of figure 3 (with the junction box body upper cover omitted).
Fig. 9 is a sectional view of a state of the section B-B in fig. 4.
Fig. 10 is a sectional view of another state of the section B-B in fig. 4.
Fig. 11 is an isometric cross-sectional view of one state of section B-B of fig. 4 (with the junction box body upper cover omitted).
In the figure:
9. a transformer body;
8. a secondary terminal box;
7. A conductive wire clip;
1. the junction box body, 11. The upper hole is adjusted, 12. The upper hole is wired;
2. The terminal assembly, 21, the terminal base plate, 22, the wiring upright post, 23, the wiring cross shaft, 24, the limit slot, 25, a sliding sleeve, 26, a driven inclined plane, 27, a spring inserted link, 28, and a reset compression spring;
3. a pressing device 31, a cylinder foundation 32, a limiting ring 33, a transverse through hole, 34, an internal thread pipe 35, an external threaded rod 36, a retaining cross arm 37 and a torsion ejector rod;
4. shorting device 41, guide cross bar 42, longitudinal stop block 43, compression slide block 44, compression inclined plane 45, cross bar jack 46, spring cavity 47, shorting compression spring 48, shorting cross plate.
Detailed Description
The utility model provides a low voltage transformer, includes at least transformer body 9 to and set up in the secondary terminal box 8 of transformer body 9 front end, secondary terminal box 8 includes:
the junction box body 1 is rectangular, an adjusting upper hole 11 is formed in the middle of the upper end face of the junction box body 1, a wiring upper hole 12 is formed in the left side and the right side of the upper end face of the junction box body 1 respectively, and the left side and the right side of the junction box body 1 are detachably arranged.
The terminal assemblies 2 are arranged on the front end face of the junction box body 1, two terminal assemblies 2 are arranged, and the two terminal assemblies 2 are distributed in bilateral symmetry;
the pressing device 3 is arranged above the rear end face of the junction box body 1;
the short-circuiting device 4 is arranged below the rear end face of the junction box body 1, the short-circuiting device 4 is extruded by the pressing device 3 and moves backwards, and the short-circuiting device 4 is in contact with the terminal assembly 2 to achieve short circuiting.
As an improved technical scheme:
The terminal assembly 2 comprises a terminal base plate 21 arranged on the front end face of the terminal box body 1, a wiring upright post 22 arranged on the rear end of the terminal base plate 21, a wiring transverse shaft 23 arranged on the inner side of the wiring upright post 22, a limiting slot 24 arranged on the wiring transverse shaft 23, a sliding sleeve 25 slidably arranged on the wiring transverse shaft 23, a driven inclined plane 26 arranged on the inner side of the lower end of the sliding sleeve 25, a spring inserting rod 27 arranged on the inner wall of the sliding sleeve 25 and inserted into the limiting slot 24, a reset pressure spring 28 arranged in the limiting slot 24 and driving the spring inserting rod 27 and the sliding sleeve 25 to pop up inwards, wherein the driven inclined plane 26 gradually inclines towards the direction deviating from the hole center of the adjusting upper hole 11 from top to bottom, and the terminal base plate 21 and the wiring upright post 22 of the terminal assembly 2 are made of conductive materials.
The pressing device 3 comprises a cylinder base 31 arranged above the rear end face of the junction box body 1, a limiting ring 32 arranged in the middle of the inner wall of the cylinder base 31, a transverse through hole 33 arranged to penetrate through the lower half part of the cylinder base 31 in the left-right direction, an inner threaded pipe 34 rotatably arranged in the cylinder base 31 and positioned above the limiting ring 32, and an outer threaded rod 35 screwed in the inner threaded pipe 34, wherein the left side and the right side of the outer threaded rod 35 are respectively provided with a retaining cross arm 36 penetrating through the transverse through hole 33, the distal end of the retaining cross arm 36 is abutted against the sliding sleeve 25, the lower end of the outer threaded rod 35 is provided with a pressing inclined surface in press fit with the pressed inclined surface 44, the upper end of the inner threaded pipe 34 is provided with a torsion ejector rod 37, the upper end of the torsion ejector rod 37 penetrates through the cylinder base 31 and the upper end of the junction box body 1, the upper end of the torsion ejector rod 37 is provided with a word jack or a cross jack, and the stop end of the retaining cross arm 36 is provided with a driving inclined surface matched with the driven inclined surface 26.
The shorting device 4 comprises a guide cross rod 41 arranged below the rear end face of the junction box body 1 along the front-rear direction, a longitudinal stop block 42 arranged above the front end of the guide cross rod 41, the shorting device 4 further comprises a pressed sliding block 43 arranged in the junction box body 1, a pressed inclined surface 44 arranged at the rear end of the pressed sliding block 43, a cross rod jack 45 arranged at the rear end of the pressed sliding block 43 and used for accommodating insertion of the guide cross rod 41, a spring inner cavity 46 arranged at the front end of the cross rod jack 45 and used for accommodating the longitudinal stop block 42, a shorting pressure spring 47 arranged in the spring inner cavity 46 and positioned behind the longitudinal stop block 42, and a shorting cross plate 48 arranged at the front end of the pressed sliding block 43 and used for connecting two terminal substrates 21, wherein the pressed inclined surface 44 is positioned below the externally threaded rod 35, and the shorting cross plate 48 is made of conductive materials.
The utility model provides a low-voltage transformer, its secondary terminal box 8 can be through slip sleeve 25 with conductive clip 7 fixed connection under the normal state wiring stand 22, then connect the ammeter through conductive clip 7 when needing to change the ammeter secondary terminal box 8 short circuit in advance, then disconnection release conductive clip 7, the specific method is as follows:
As shown in fig. 5 of the specification, the retaining cross arm 36 abuts against the sliding sleeve 25 to retract against the damping of the reset pressure spring 28, the sliding sleeve 25 presses and fixes the conductive wire clamp 7, so that the conductive wire clamp 7 contacts with the wiring upright post 22 and the terminal substrate 21 to realize electrical connection, and the ammeter is connected with the conductive wire clamp 7 at the moment to be used normally.
The secondary terminal box 8 of the low-voltage transformer can also realize short circuit:
the torsion ejector rod 37 and the internal thread pipe 34 are rotated to drive the external thread rod 35 and the transverse arm 36 to move downwards;
Shorting operation as shown in fig. 9, 10 and 11 of the specification:
The externally threaded rod 35 downwardly extrudes the pressed inclined surface 44 and the pressed sliding block 43 to enable the externally threaded rod to move backwards against the damping of the short-circuit pressure spring 47, and the short-circuit transverse plate 48 is connected with the two terminal substrates 21 to realize secondary side short-circuit;
At the same time as the time of this,
As shown in fig. 5, 6 and 8 of the specification, the release operation is as follows:
The retaining cross arm 36 descends to the height of the driven inclined plane 26, the reset pressure spring 28 drives the sliding sleeve 25 and the driven inclined plane 26 to pop up, the sliding sleeve 25 does not squeeze the fixed conductive wire clamps 7 any more, at the moment, the two conductive wire clamps 7 are pulled out upwards, and the two conductive wire clamps 7 and the ammeter connected by the same can be released.
Claims (6)
1. The low-voltage transformer at least comprises a transformer body (9) and a secondary terminal connection box (8) arranged at the front end of the transformer body (9), and is characterized in that the secondary terminal connection box (8) comprises:
The wiring box body (1) is rectangular and is provided with an adjusting upper hole (11) in the middle of the upper end face of the wiring box body (1), and a wiring upper hole (12) is respectively formed in the left side and the right side of the upper end face of the wiring box body (1);
The terminal assemblies (2) are arranged on the front end face of the junction box body (1), two terminal assemblies (2) are arranged, and the two terminal assemblies (2) are distributed symmetrically left and right;
the pressing device (3) is arranged above the rear end face of the junction box body (1);
The short-circuit device (4) is arranged below the rear end face of the junction box body (1), the short-circuit device (4) is extruded by the pressing device (3) and moves backwards, and the short-circuit device (4) is in contact with the terminal assembly (2) to realize short-circuit;
The terminal assembly (2) comprises a terminal substrate (21) arranged on the front end face of the terminal box body (1), a wiring upright post (22) arranged at the rear end of the terminal substrate (21), a wiring transverse shaft (23) arranged on the inner side of the wiring upright post (22), a limit slot (24) arranged on the wiring transverse shaft (23), a sliding sleeve (25) slidably arranged on the wiring transverse shaft (23), a driven inclined plane (26) arranged on the inner side of the lower end of the sliding sleeve (25), a spring inserted rod (27) arranged on the inner wall of the sliding sleeve (25) and inserted into the limit slot (24), a reset pressure spring (28) arranged in the limit slot (24) and driving the spring inserted rod (27) and the sliding sleeve (25) to pop inwards, wherein the driven inclined plane (26) gradually inclines from top to bottom in a direction deviating from the hole center of the upper adjusting hole (11);
The pressing device (3) comprises a cylinder base (31) arranged above the rear end face of the junction box body (1), a limit circular ring (32) arranged in the middle of the inner wall of the cylinder base (31), a transverse through hole (33) penetrating through the lower half part of the cylinder base (31) in the left-right direction, an inner threaded pipe (34) rotatably arranged in the cylinder base (31) and positioned above the limit circular ring (32), and an outer threaded rod (35) screwed in the inner threaded pipe (34), wherein the left side and the right side of the outer threaded rod (35) are respectively provided with a retaining cross arm (36) penetrating through the transverse through hole (33), and the distal end of the retaining cross arm (36) is in butt joint with the sliding sleeve (25);
The short-circuiting device (4) comprises a guide cross rod (41) arranged below the rear end face of the junction box body (1) along the front-back direction, a longitudinal stop block (42) arranged above the front end of the guide cross rod (41), a pressed sliding block (43) arranged in the junction box body (1), a pressed inclined plane (44) arranged at the rear end of the pressed sliding block (43), a cross rod jack (45) arranged at the rear end of the pressed sliding block (43) and used for accommodating insertion of the guide cross rod (41), a spring inner cavity (46) arranged at the front end of the cross rod jack (45) and used for accommodating the longitudinal stop block (42), a short-circuiting pressure spring (47) arranged in the spring inner cavity (46) and positioned behind the longitudinal stop block (42), and a short-circuiting transverse plate (48) arranged at the front end of the pressed sliding block (43) and used for connecting two terminal substrates (21), wherein the pressed inclined plane (44) is positioned below the external threaded rod (35);
the terminal base plate (21) and the wiring upright post (22) of the terminal assembly (2) are made of conductive materials;
the shorting bar (48) is made of a conductive material.
2. A low voltage transformer according to claim 1, wherein:
the lower end of the external threaded rod (35) is provided with a pressing inclined plane which is matched with the pressing inclined plane (44) in an extrusion mode.
3. A low voltage transformer according to claim 2, characterized in that:
the upper end of the internal thread tube (34) is provided with a torsion ejector rod (37), and the upper end of the torsion ejector rod (37) penetrates through the cylinder foundation (31) and the upper end of the junction box body (1).
4. A low voltage transformer according to claim 3, wherein:
the upper end of the torsion ejector rod (37) is provided with a straight-line jack or a cross jack.
5. The low voltage transformer of claim 4, wherein:
the stop end of the retaining cross arm (36) is provided with a driving inclined plane matched with the driven inclined plane (26).
6. A low voltage transformer according to claim 5, wherein:
The left side and the right side of the junction box body (1) are detachably arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411822914.6A CN119274938B (en) | 2024-12-12 | 2024-12-12 | Low-voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411822914.6A CN119274938B (en) | 2024-12-12 | 2024-12-12 | Low-voltage transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119274938A CN119274938A (en) | 2025-01-07 |
| CN119274938B true CN119274938B (en) | 2025-02-28 |
Family
ID=94110387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411822914.6A Active CN119274938B (en) | 2024-12-12 | 2024-12-12 | Low-voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119274938B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119673620B (en) * | 2025-02-21 | 2025-05-27 | 山东富澳电力设备有限公司 | A new energy medium voltage transformer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077815A (en) * | 2012-01-09 | 2013-05-01 | 山东亿玛信诺电气有限公司 | Low-voltage electricity larceny prevention combined mutual inductor |
| CN108306161A (en) * | 2018-01-02 | 2018-07-20 | 国网福建省电力有限公司 | A kind of three quick short-circuit devices of facies tract mutual inductor secondary terminals |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2253516Y (en) * | 1996-09-02 | 1997-04-30 | 范建国 | Polytropic ratio metering current transformer for avoiding or indicating fraudulent use of electricity |
| CN115547642A (en) * | 2022-11-07 | 2022-12-30 | 云南电网有限责任公司红河供电局 | Intelligent short-circuit device for secondary side of current transformer |
| CN118508346B (en) * | 2024-07-17 | 2024-09-24 | 国网山东省电力公司聊城市茌平区供电公司 | Cable joint hook |
| CN119008207A (en) * | 2024-09-13 | 2024-11-22 | 王青青 | Safety current transformer for large-scale electric appliance |
-
2024
- 2024-12-12 CN CN202411822914.6A patent/CN119274938B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103077815A (en) * | 2012-01-09 | 2013-05-01 | 山东亿玛信诺电气有限公司 | Low-voltage electricity larceny prevention combined mutual inductor |
| CN108306161A (en) * | 2018-01-02 | 2018-07-20 | 国网福建省电力有限公司 | A kind of three quick short-circuit devices of facies tract mutual inductor secondary terminals |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119274938A (en) | 2025-01-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN119274938B (en) | Low-voltage transformer | |
| CN112038791B (en) | High strength cable junction board structure with waterproof performance | |
| CN213936591U (en) | Electric power electric wire netting binding post | |
| CN214044033U (en) | Station power supply switching quick interface device | |
| CN117039555B (en) | Multi-point fastening type conductive connector and use method thereof | |
| CN220171168U (en) | Intelligent surge protector production testing device | |
| CN111585121B (en) | Power socket branching structure | |
| CN202204907U (en) | Terminal type capacitor voltage withstand test tool | |
| CN202471775U (en) | Short circuit device for wire outlet of transformer winding | |
| CN219180444U (en) | Leakage circuit breaker | |
| CN218215181U (en) | Circuit breaker wiring terminal | |
| CN119315288B (en) | Tapered press-fit cable terminal | |
| CN219163812U (en) | Anti-drop aluminum alloy conductive connecting piece | |
| CN220822057U (en) | Electrical connection device | |
| CN220774775U (en) | Terminal with quick-connect plug | |
| CN223079475U (en) | Electrical plug connector for electrical engineering | |
| CN215343795U (en) | Cable junction box | |
| CN223583375U (en) | An electronic connector | |
| CN219801269U (en) | Anti-loosening wire frame | |
| CN221687782U (en) | Binding post that possesses swift buckle structure | |
| CN219371419U (en) | Steering connector for new energy automobile | |
| CN220963782U (en) | Grounding connector for sliding rail | |
| CN218123727U (en) | Binding post joint structure for building electrical engineering | |
| CN219610821U (en) | Cable connecting device of integrated power cabinet | |
| CN219513445U (en) | Quick-connection plug for power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |