CN217156600U

CN217156600U - Mutual inductor welding structure and mutual inductor ammeter

Info

Publication number: CN217156600U
Application number: CN202220230874.6U
Authority: CN
Inventors: 季巍; 吕新伟; 张宇; 李军
Original assignee: Wasion Group Co Ltd
Current assignee: Wasion Group Co Ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2022-08-09
Anticipated expiration: 2032-01-27

Abstract

The utility model discloses a mutual-inductor welded structure and mutual-inductor ammeter, mutual-inductor welded structure include mutual-inductor, wiring spare, base, apron and PCBA board, the mutual-inductor is provided with the connecting hole, is provided with first pin on the mutual-inductor; the wiring piece penetrates through the connecting hole, and a second pin arranged on the same side as the first pin is arranged on the wiring piece; the base is provided with a mounting groove matched with the shape of the mutual inductor, and the mutual inductor is mounted on the mounting groove; the cover plate is arranged on the base, the cover plate and the base are matched to fix the mutual inductor, a first through hole is formed in the cover plate, and a guide post is arranged on the cover plate; the PCBA board is provided with a guide hole and a second through hole, the guide post penetrates through the guide hole, and the first pin and the second pin sequentially penetrate through the first through hole and the second through hole. The utility model discloses an among the mutual-inductor welded structure, PCBA board and first pin and the second pin between be connected stably firm, mutual-inductor welded structure carries out automatic welding in can putting into wave soldering equipment to improve production efficiency.

Description

Mutual inductor welding structure and mutual inductor ammeter

Technical Field

The utility model relates to an ammeter field, concretely relates to mutual-inductor welded structure and mutual-inductor ammeter.

Background

At present, with the popularization of the current electrochemical equipment, electricity is used in many places, the market competition of the electricity meters is intensified day by day, and the requirement on the production efficiency of the electricity meters is higher and higher. Mutual-inductor ammeter need with the mutual-inductor welding on PCBA board, and automatic welding can't be realized to traditional mutual-inductor ammeter, and the cost of labor is high, leads to production efficiency to hang down.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mutual-inductor welded structure and mutual-inductor ammeter to solve the unable automatic welded problem of realizing of traditional mutual-inductor ammeter.

In order to achieve the above object, the utility model provides a mutual-inductor welded structure includes:

the transformer is provided with a connecting hole, and a first pin is arranged on the transformer;

the wiring piece penetrates through the connecting hole, and a second pin arranged on the same side as the first pin is arranged on the wiring piece;

the base is provided with a mounting groove matched with the shape of the mutual inductor, and the mutual inductor is mounted on the mounting groove;

the cover plate is installed on the base, the cover plate and the base are matched to fix the mutual inductor, a first through hole is formed in the cover plate, and a guide column is arranged on the cover plate; and the number of the first and second groups,

PCBA board, guiding hole and second via hole have been seted up on the PCBA board, the guide post passes the guiding hole, first pin with the second pin passes first via hole and second via hole in proper order.

Optionally, the wire connecting piece comprises a first wire connecting piece and a second wire connecting piece, the first wire connecting piece comprises a first connecting section, a second connecting section and a third connecting section which are connected in sequence, and the first connecting section penetrates through the connecting hole to be connected with the second wire connecting piece; the second connecting section is parallel to the side wall of the mutual inductor, and the third connecting section is parallel to the second lug plate.

Optionally, a gap through which the transformer passes is formed between the first connecting section and the third connecting section.

Optionally, there are first backup pad and the second backup pad that the interval set up on the base, first backup pad with the second backup pad has all been seted up mounting groove, the mutual-inductor set up in first backup pad with the second backup pad mounting groove department.

Optionally, the transformer welded structure further includes connectors arranged in pairs, the connectors are embedded into the base and have through insertion ports, two of the connectors are arranged in a pair corresponding to the second lug plate and the third connecting section respectively, and the second lug plate and the third connecting section are inserted into the corresponding insertion ports respectively.

Optionally, the first and second tabs are welded.

Optionally, the number of the guide posts and the number of the guide holes are three, the three guide posts are arranged in a triangular shape, and the three guide holes and the three guide posts are arranged in a one-to-one correspondence manner.

Optionally, three of the guide holes are waist-shaped holes, two of the waist-shaped holes extend along a first direction, and the other waist-shaped hole extends along a second direction, and the first direction is perpendicular to the second direction.

Optionally, the base includes the bottom plate and encloses to be established the curb plate of bottom plate periphery, the bottom plate with the curb plate encloses into one end and is the structure that the opening set up, be provided with the buckle on the curb plate, the periphery of apron be provided with buckle shape assorted draw-in groove.

Additionally, the utility model also provides a mutual-inductor ammeter, the mutual-inductor ammeter includes as above mutual-inductor welded structure.

The utility model discloses mutual-inductor welded structure among the technical scheme passes through the left and right sides direction of the fixed mutual-inductor of wiring piece, and the upper and lower direction of the fixed mutual-inductor of mounting groove all around for the rigidity of mutual-inductor, thereby make the rigidity of first pin and second pin. Through the position of the fixed PCBA board of guide post for the PCBA board is stable firm with being connected between first pin and the second pin, can reduce offset better, and the dislocation when avoiding welding makes mutual-inductor welded structure carry out automated welding in can putting into wave-soldering equipment, thereby improves production efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a welding structure of a mutual inductor according to an embodiment of the present invention;

fig. 2 is an exploded schematic view of a welding structure of a mutual inductor according to an embodiment of the present invention;

fig. 3 is a schematic view of a connection structure between a transformer and a base according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a base according to an embodiment of the present invention;

FIG. 5 is a schematic view of a connection structure of a wire connecting member and a plug connecting member according to an embodiment of the present invention;

fig. 6 is a schematic view of a connection structure between a transformer and a wiring member according to an embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				10	Mutual inductor welding structure	134	Base plate
11	Mutual inductor	135	Side plate
				111	Connecting hole	1351	Buckle
112	First pin	14	Plug-in connector
				12	Wiring piece	141	Interface
121	First lug plate	142	Bolt
				1211	First connecting section	15	Cover plate
1212	Second connecting section	151	Clamping groove
				1213	Third connecting section	152	Guide post
1214	Second pin	153	A first via hole
				122	Second terminal lug	16	PCBA board
13	Base seat	161	Guide hole
				131	First supporting plate	1611	Waist-shaped hole
132	Second support plate	162	Second via hole
				133	Mounting groove

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides a mutual-inductor welded structure.

In one embodiment, as shown in fig. 1 to 6, the transformer soldering structure 10 includes a transformer 11, a wiring member 12, a base 13, a cover plate 15 and a PCBA plate 16, wherein the transformer 11 is provided with a connection hole 111, and the transformer 11 is provided with a first pin 112; the wiring piece 12 passes through the connecting hole 111, and a second pin 1214 arranged on the same side as the first pin 112 is arranged on the wiring piece 12; the base 13 is formed with a mounting groove 133 matching the shape of the transformer 11, and the transformer 11 is mounted on the mounting groove 133; the cover plate 15 is installed on the base 13, the cover plate 15 is matched with the base 13 to fix the mutual inductor 11, a first through hole 153 is formed in the cover plate 15, and a guide post 152 is formed in the cover plate 15; the PCBA board 16 is provided with a guide hole 161 and a second via 162, the guide post 152 passes through the guide hole 161, and the first pin 112 and the second pin 1214 sequentially pass through the first via 153 and the second via 162.

As shown in fig. 1 to 6, a through connection hole 111 is provided in the middle of the transformer 11, the wiring member 12 passes through the connection hole 111, and both ends of the wiring member 12 are respectively located at both left and right sides of the transformer 11, thereby preventing the transformer 11 from shaking left and right. When the wiring member 12 is energized, the two ends of the wiring member 12 respectively realize input and output of current, and the wiring member 12 passes through the connection hole 111 so that the transformer 11 senses the current in the wiring member 12 and outputs a signal through the first pin 112. The transformer 11 is provided with a first pin 112, the wiring element 12 is provided with a second pin 1214, the first pin 112 and the second pin 1214 are arranged on the same side, that is, the first pin 112 and the second pin 1214 are arranged close to the PCBA board 16, so that the first pin 112 and the second pin 1214 are connected with the PCBA board 16, and signals are output. The base 13 is formed with a mounting groove 133, and the mounting groove 133 matches with the shape of the transformer 11, so that relative movement between the transformer 11 and the base 13 does not occur, and the connection between the transformer 11 and the base 13 is more stable and firm. The cover plate 15 and the base 13 are matched to fix the mutual inductor 11, so that the mutual inductor 11 cannot shake up and down, and the connection between the mutual inductor 11 and the base 13 is more stable and firm. The cover plate 15 is provided with a first via 153 for passing the first pin 112 and the second pin 1214. The cover plate 15 is provided with the guide post 152, the PCBA plate 16 is provided with the guide hole 161 and the second via 162, the guide post 152 passes through the guide hole 161, and the guide post 152 and the guide hole 161 play a role of guiding, so that the first pin 112 and the second pin 1214 more smoothly pass through the second via 162. At the same time, the guide posts 152 and the guide holes 161 also make the connection between the PCBA board 16 and the first and second leads 112, 1214 more stable and secure.

The transformer welding structure 10 in this embodiment fixes the left-right direction of the transformer 11 through the wiring member 12, the mounting groove 133 fixes the front-rear left-right direction of the transformer 11, and the cover plate 15 fixes the up-down direction of the transformer 11, so that the position of the transformer 11 is fixed, and the position of the first pin 112 and the second pin 1214 is fixed. The position of the PCBA board 16 is fixed through the guide posts 152, so that the connection between the PCBA board 16 and the first pin 112 and the second pin 1214 is stable and firm, the connection position precision between the PCBA board 16 and the first pin 112 and the second pin 1214 is ensured, dislocation during welding is avoided, the mutual inductor welding structure 10 can be placed into wave soldering equipment for automatic welding, and production efficiency is improved.

In one embodiment, the wire connecting member 12 includes a first wire tab 121 and a second wire tab 122, the first wire tab 121 includes a first connection section 1211, a second connection section 1212, and a third connection section 1213 connected in sequence, the first connection section 1211 is connected to the second wire tab 122 through the connection hole 111; the second connection section 1212 is disposed in parallel with the side wall of the transformer 11, and the third connection section 1213 is disposed in parallel with the second tab 122.

As shown in fig. 1 to 6, the wire connection piece 12 includes a first tab 121 and a second tab 122, the first tab 121 being located on the left side of the transformer 11, and the second tab 122 being located on the right side of the transformer 11, thereby fixing the left-right direction of the transformer 11. The first tab 121 includes a first connection section 1211, a second connection section 1212, and a third connection section 1213 connected in sequence, and the first connection section 1211 passes through the connection hole 111 to be connected to the second tab 122, thereby enabling the connection member to pass through the connection hole 111. Second linkage segment 1212 and mutual-inductor 11's lateral wall parallel arrangement to avoid rocking about mutual-inductor 11, can reduce offset better, dislocation when avoiding welding is favorable to realizing automatic welding. Meanwhile, the second connecting section 1212 is provided with a second pin 1214, and the second connecting section 1212 is arranged in parallel with the side wall of the transformer 11, so that the height of the second pin 1214 can pass through the PCBA board 16. The third connecting section 1213 and the second lug 122 realize the input and output of electric current respectively, and the third connecting section 1213 and the second lug 122 parallel arrangement, structural design is reasonable.

In one embodiment, as shown in fig. 1 to 6, a gap for the mutual inductor 11 to pass through is formed between the first connection section 1211 and the third connection section 1213, so that an avoidance space exists between the mutual inductor 11 and the third connection section 1213, and the mutual inductor 11 is prevented from being scratched by the third connection section 1213.

In an embodiment, the base 13 has a first supporting plate 131 and a second supporting plate 132 disposed at an interval, the first supporting plate 131 and the second supporting plate 132 are both provided with mounting grooves 133, and the transformer 11 is erected at the mounting grooves 133 of the first supporting plate 131 and the second supporting plate 132.

As shown in fig. 1 to 6, a first supporting plate 131 and a second supporting plate 132 are arranged on the base 13, the first supporting plate 131 and the second supporting plate 132 are arranged at intervals in the front-back direction, mounting grooves 133 have been respectively formed in the first supporting plate 131 and the second supporting plate 132, the mounting grooves 133 are matched with the shape of the transformer 11, the transformer 11 is erected at the mounting grooves 133 of the first supporting plate 131 and the second supporting plate 132, so that relative movement between the transformer 11 and the base 13 cannot occur, the connection between the transformer 11 and the base 13 is more stable and firm, position deviation can be better reduced, dislocation during welding is avoided, and automatic welding is facilitated.

In an embodiment, as shown in fig. 1 to 6, the transformer soldering structure 10 further includes connectors 14 arranged in pairs, the connectors 14 are inserted into the base 13, the connectors 14 have through insertion ports 141, two connectors 14 of the pair of connectors 14 are respectively arranged corresponding to the second tab 122 and the third connecting section 1213, and the second tab 122 and the third connecting section 1213 are respectively inserted into the corresponding insertion ports 141.

As shown in fig. 1 to 6, the plug 14 is fitted into the base 13 and positioned behind the first and

second tabs

121 and 122, and the plug 14 is provided in a pair and has a through-insertion port 141. The left connector 14 of the pair of connectors 14 is disposed corresponding to the third connection section 1213, and the third connection section 1213 is inserted into the socket 141. An external connection terminal is inserted into the left-hand socket 141 and contacts the third connection section 1213, so that the current is supplied. The right connector 14 of the pair of connectors 14 is disposed corresponding to the second tab 122, and the second tab 122 is inserted into the insertion opening 141. An external connection terminal is inserted into the right socket 141 to contact the second tab 122, thereby outputting current.

In a preferred embodiment, each plug 14 is provided with a bolt 142, and after the external connection terminal is inserted into the socket 141 and contacts with the third connection section 1213 or the second tab 122, the bolt 142 is screwed downward, so that the external connection terminal contacts with the third connection section 1213 or the second tab 122 more sufficiently, thereby better realizing input and output of current.

In one embodiment, as shown in fig. 1 to 6, the first and

second tabs

121 and 122 are welded. The first lug plate 121 and the second lug plate 122 are connected in a welding mode, so that the first lug plate 121 and the second lug plate 122 are firmly connected, the cost is low, and the production efficiency is high.

In one embodiment, as shown in fig. 1 to 6, the number of the guide posts 152 and the guide holes 161 is three, the three guide posts 152 are arranged in a triangle, and the three guide holes 161 are arranged in one-to-one correspondence with the three guide posts 152. The three guiding pillars 152 are disposed in a triangular shape, and the guiding effect of the guiding pillars 152 is stronger, so that the first pin 112 and the second pin 1214 pass through the second via 162 more smoothly. Meanwhile, the three guide posts 152 are arranged in a triangular shape, and the triangular shape has excellent structural stability, so that the connection between the PCBA board 16 and the first pin 112 and the second pin 1214 is more stable and firm, the connection position precision between the PCBA board 16 and the first pin 112 and the second pin 1214 is ensured, the dislocation during welding is avoided, and the automatic welding is favorably realized.

In one embodiment, the three guide holes 161 are kidney-shaped holes 1611, two kidney-shaped holes 1611 extend along a first direction, and another kidney-shaped hole 1611 extends along a second direction, and the first direction and the second direction are perpendicular to each other.

As shown in fig. 1 to 6, the three guide holes 161 are waist-shaped holes 1611, and the waist-shaped holes 1611 allow the guide posts 152 to pass through more easily, so that the PCBA board 16 is more smoothly mounted on the cover plate 15, and the production efficiency is improved. Two of the kidney-shaped holes 1611 extend in a first direction, i.e., a front-rear direction, and the other kidney-shaped hole 1611 extends in a second direction, i.e., a left-right direction, when the guide post 152 passes through the three kidney-shaped holes 1611, the PCBA board 16 and the cover plate 15 have a certain movement track, so that the second via 162 corresponds to the positions of the first lead 112 and the second lead 1214, thereby reducing the difficulty of assembly.

In one embodiment, as shown in fig. 1 to 6, the base 13 includes a bottom plate 134 and a side plate 135 surrounding the bottom plate 134, the bottom plate 134 and the side plate 135 surround to form a structure with an open end, the side plate 135 is provided with a buckle 1351, and the periphery of the cover plate 15 is provided with a slot 151 matching with the shape of the buckle 1351. Through buckle 1351 and draw-in groove 151 joint cooperation for apron 15 is more stable installs on base 13, and apron 15 and base 13 cooperation are with fixed mutual-inductor 11, make mutual-inductor 11 can not rock from top to bottom, make being connected between mutual-inductor 11 and the base 13 more stable firm. Mutual inductor 11 can not rock from top to bottom, and mutual inductor 11's rigidity to make the rigidity of first pin 112 and second pin 1214, can reduce offset better, dislocation when avoiding the welding is favorable to realizing automatic welding.

Additionally, the utility model also provides a mutual-inductor ammeter, include as above mutual-inductor welded structure 10. The specific structure of the transformer welding structure 10 refers to the above embodiment, and since the transformer ammeter adopts all technical solutions of the above embodiment, at least all beneficial effects brought by the technical solutions of the above embodiment are achieved, and no further description is given here.

The above is only the preferred embodiment of the present invention, not limiting the scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. The utility model provides a mutual inductor welded structure which characterized in that, mutual inductor welded structure includes:

2. The mutual inductor welding structure according to claim 1, wherein the connection piece comprises a first connection piece and a second connection piece, the first connection piece comprises a first connection section, a second connection section and a third connection section which are connected in sequence, and the first connection section is connected with the second connection piece through the connection hole; the second connecting section is parallel to the side wall of the mutual inductor, and the third connecting section is parallel to the second lug plate.

3. The transformer welding structure according to claim 2, wherein a gap through which the transformer passes is formed between the first connection section and the third connection section.

4. The mutual inductor welding structure as claimed in claim 2, wherein the base has a first supporting plate and a second supporting plate spaced apart from each other, the first supporting plate and the second supporting plate are both provided with the mounting grooves, and the mutual inductor is erected on the mounting grooves of the first supporting plate and the second supporting plate.

5. The mutual inductor welded structure of claim 2, further comprising connectors arranged in pairs, wherein the connectors are embedded in the base, the connectors have through sockets, two of the connectors are arranged corresponding to the second tab and the third connecting section, and the second tab and the third connecting section are inserted into the corresponding sockets.

6. The transformer welding structure according to claim 2, wherein the first tab and the second tab are welded.

7. The mutual inductor welding structure according to any one of claims 1 to 6, wherein the number of the guide posts and the guide holes is three, three guide posts are arranged in a triangular shape, and three guide holes are arranged in one-to-one correspondence with the three guide posts.

8. The mutual inductor welding structure according to claim 7, wherein three of the guide holes are kidney-shaped holes, two of the kidney-shaped holes extend in a first direction, and the other kidney-shaped hole extends in a second direction, and the first direction and the second direction are perpendicular to each other.

9. The mutual inductor welding structure according to any one of claims 1 to 6, wherein the base comprises a bottom plate and a side plate arranged around the bottom plate, the bottom plate and the side plate form a structure with an opening at one end, a buckle is arranged on the side plate, and a clamping groove matched with the buckle in shape is arranged around the cover plate.

10. A transformer meter comprising the transformer welding structure of any one of claims 1 to 9.