CN213693128U

CN213693128U - Self-recovery type over-voltage and under-voltage protector

Info

Publication number: CN213693128U
Application number: CN202022539303.4U
Authority: CN
Inventors: 王振坤; 张佳学; 苏国俊; 蔡鑫滔; 李巍
Original assignee: Zhejiang Tengen Electric Co Ltd
Current assignee: Zhejiang Tengen Electric Co Ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-07-13
Anticipated expiration: 2030-11-05

Abstract

The utility model relates to the technical field of electrical apparatus, concretely relates to under-voltage protector is crossed to self-resuming formula, include: a housing body; the wiring assembly is arranged in the shell body and comprises at least two pairs of wiring terminals; further comprising: and the insulating part is arranged in the shell body and is positioned between each pair of wiring terminals. The utility model provides a width is less, and undervoltage protection ware is crossed to less self-recovery formula of volume.

Description

Self-recovery type over-voltage and under-voltage protector

Technical Field

The utility model relates to the technical field of electrical apparatus, concretely relates to under-voltage protection ware is crossed to self-resuming formula.

Background

The self-recovery overvoltage and undervoltage protector is a device which can be automatically disconnected when overvoltage and undervoltage in a circuit exceed specified values, can automatically detect the voltage of the circuit, and can be automatically closed when the voltage in the circuit recovers to be normal. The protective circuit is mainly used for protecting overvoltage, undervoltage, phase failure and zero line failure in a power distribution (single-phase AC230V, three-phase 400V) line of a home and a market.

The overvoltage and undervoltage protector among the prior art is 36 mm's width usually to inside is equipped with a plurality of binding post, in order to realize the electrical insulation between the binding post, consequently, the electric clearance between two electric terminals is great, just so, leads to the width broad of overvoltage and undervoltage protector among the prior art, and is bulky, not only can't realize the miniaturization of product, but also has increased the cost of material.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming the width broad of under-voltage protector is crossed to the self-recovery formula among the prior art, bulky defect to it is less to provide a width, and under-voltage protector is crossed to the less self-recovery formula of volume.

In order to solve the technical problem, the utility model provides a from undervoltage protection ware is crossed to recovery formula, include: a housing body; the wiring assembly is arranged in the shell body and comprises at least two pairs of wiring terminals; further comprising: and the insulating part is arranged in the shell body and is positioned between each pair of wiring terminals.

Optionally, the housing body includes: the device comprises a first shell and a second shell, wherein the first shell is detachably connected with the second shell; the wiring assembly is arranged in the first shell and the second shell.

Optionally, the method further includes: the accommodating cavities are arranged at two ends in the first shell and the second shell; the insulating part is used for separating the accommodating cavity and is connected with the cavity wall of the accommodating cavity.

Optionally, still include limit structure, limit structure includes: the limiting pieces are provided with at least two limiting pieces, are respectively arranged on the first shell and the second shell and are arranged in a staggered manner; and the limiting groove is arranged on the first shell and the second shell, corresponds to the position of the limiting piece, and is suitable for the first shell to be inserted into the second shell so as to limit the relative position of the first shell and the second shell.

Optionally, the limiting member is disposed on the insulating member.

Optionally, further comprising; the clamping groove is arranged on one of the first shell and the second shell; the connecting rod is arranged on the other of the first shell and the second shell, and is provided with a mounting structure matched with the clamping groove, and the mounting structure is inserted into the clamping groove to limit the relative position of the first shell and the second shell.

Optionally, the mounting structure is a barb formed at a free end of the connecting rod.

Optionally, the inside of shell body is equipped with and holds the chamber hold the intracavity and be equipped with circuit board and relay, the relay is fixed to be located on the circuit board.

Optionally, the method further includes: and the wiring groove is formed in the first shell and the second shell, and the circuit board is inserted in the wiring groove.

Optionally, the relay further comprises an N-pole connecting plate, wherein the N-pole connecting plate is electrically connected with the wiring assembly and is located below the relay.

The utility model discloses technical scheme has following advantage:

1. the utility model provides an under-voltage protector is crossed to self-resuming formula, include: a housing body; the wiring assembly is arranged in the shell body and comprises at least two pairs of wiring terminals; further comprising: and the insulating part is arranged in the shell body and is positioned between each pair of wiring terminals.

Through setting up the insulating part at every binding post, every between binding post promptly, through the setting of insulating part to electric, creepage clearance have been increased between every binding post, satisfy the product security performance requirement. Compare the electric clearance between two binding post of under-voltage protector's is crossed to self-resuming formula among the prior art, reduced the electric clearance between two binding post, reduced the width of casing body, can reduce the width of casing body among the prior art to 27mm wide by 36mm, and then reduced the volume that under-voltage protector was crossed to the self-resuming formula, realized the miniaturization of product, simultaneously, also reduced the material cost that the required use of this product of manufacturing.

2. The utility model provides an under-voltage protector is crossed to self-resuming formula still includes: the accommodating cavities are arranged at two ends in the first shell and the second shell; the insulating part is used for separating the accommodating cavity and is connected with the cavity wall of the accommodating cavity. The insulating piece can divide the accommodating cavity into two accommodating spaces so as to accommodate the pair of wiring terminals; simultaneously, the insulating part with the chamber wall in holding chamber is connected for can be connected with the chamber wall in holding chamber completely by the insulating part, the effectual electric, creepage clearance that has increased between every to binding post satisfies the product security performance requirement.

3. The utility model provides an under-voltage protector is crossed to self-resuming formula, the inside of shell body is equipped with and holds the chamber it is equipped with circuit board and relay to hold the intracavity, the relay is fixed to be located on the circuit board. Through with relay direct fixed mounting on the circuit board, reduced the width of shell body, and then reduced the volume of under-voltage protector is crossed to the self-resuming formula, realized the miniaturization of product.

4. The utility model provides an under-voltage protector is crossed to self-resuming formula still includes: and the wiring groove is formed in the first shell and the second shell, and the circuit board is inserted in the wiring groove. Through inserting the circuit board in this wiring groove to spacing and fixed the circuit board, prevent the removal of circuit board in this internal at the casing.

5. The utility model provides an under-voltage protection ware is crossed to self-resuming formula still includes the N utmost point hitch plate, the N utmost point hitch plate with the wiring subassembly electricity is connected, and is located the below of relay. Because the N-pole connecting plate is of an N type, the relay can be installed at the position of the concave part of the N-pole connecting plate, the space inside the shell body is further reduced, the width of the shell body is reduced, and the size of the self-recovery type over-voltage and under-voltage protector is further reduced.

Drawings

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

Fig. 1 is a perspective view of the self-recovery overvoltage/undervoltage protector provided by the present invention;

FIG. 2 is a schematic structural diagram of the first housing;

FIG. 3 is a schematic structural diagram of the second housing;

fig. 4 is a schematic structural view of the arrangement of the relay and the N-pole coupling plate.

Description of reference numerals:

1-a shell body; 11-a first housing; 111-card slot; 12-a second housing; 121-connecting rod; 122-a mounting structure; 13-a containment chamber; 14-a housing chamber; 2-a wiring assembly; 21-a connecting terminal; 22-a wire holder; 3-an insulator; 4-a limiting member; 5-limiting groove; 6-anti-shaking structure; 7-a relay; 8-a circuit board; 9-N pole junction plate; 10-wiring groove.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 4, an embodiment of the present invention provides a self-recovery overvoltage/undervoltage protector, which includes a casing body 1; the wiring assembly 2 is arranged in the shell body 1, and the wiring assembly 2 comprises at least two pairs of wiring terminals 21; further comprising: and the insulating piece 3 is arranged in the shell body 1 and is positioned between each pair of the wiring terminals 21.

The wiring assembly 2 is disposed inside the casing body 1 and located at two ends of the casing body 1, wherein the wiring assembly 2 is used for connecting an external wire, and in general, the wiring terminal 21 in the wiring assembly 2 is connected with a live wire and a zero wire. Compared with the electrical gap between the two connecting terminals 21 of the self-recovery overvoltage/undervoltage protector in the prior art, the insulating piece 3 is arranged between each pair of connecting terminals 21, namely, the two connecting terminals 21, wherein the insulating piece 3 is an insulating plate. Thereby increased the electric clearance between two binding post 21, reduced the width of casing body 1, can reduce the width of casing body 1 among the prior art to 27mm wide by 36mm, and then reduced the volume of under-voltage protector is crossed to the self-resuming formula, realized the miniaturization of product, simultaneously, also reduced the material cost that the manufacturing need be used of this product.

In this embodiment, please refer to fig. 2 and fig. 3, the case body 1 includes a first case 11 and a second case 12, wherein the first case 11 is an upper cover of the self-recovery overvoltage/undervoltage protector and is T-shaped, and the second case 12 is a lower cover; the first shell 11 and the second shell 12 are detachably connected, that is, the first shell 11 and the second shell 12 are buckled with each other, so as to form the shell body 1; wherein the wiring connection assembly 2 is at least partially inside the second housing 12, and then the first housing 11 is snapped onto the second housing 12. The terminal block further comprises two end accommodating cavities 14 arranged in the first shell 11 and the second shell 12, and the insulating part 3 is used for dividing the accommodating cavities 14, so that the accommodating cavities 14 are divided into two accommodating spaces and further used for accommodating a pair of wiring terminals 21; meanwhile, the insulating part 3 is connected with the cavity wall of the accommodating cavity 14, namely the insulating part 3 is completely connected with the cavity wall of the accommodating cavity 14, so that the electric and creepage gaps between each pair of wiring terminals are effectively increased, and the requirement of product safety performance is met. The terminal 21 is a screw. Meanwhile, the wiring member 2 further includes a wire holder 22, and the wiring terminal 21 is placed in the wire holder 22 so as to connect the neutral wire and the live wire.

In this embodiment, this under-voltage protector is crossed to self-recovery formula still includes limit structure, limit structure includes: two limiting pieces 4 respectively arranged on the first shell 11 and the second shell 12; namely, the first shell 11 is provided with one limiting piece 4, the second shell 12 is provided with one limiting piece 4, and the positions of the two limiting pieces 4 are staggered, namely, are not on the same straight line; the two limiting grooves 5 are also arranged on the first shell 11 and the second shell 12, correspond to the positions of the limiting pieces 4, and are suitable for the first shell 11 to be inserted into the second shell 12 so as to limit the relative positions of the first shell 11 and the second shell 12, so that when the first shell 11 and the second shell 12 are installed, the installation can be carried out only in a single correct direction, the installation error is avoided, and the installation efficiency is improved.

Specifically, the limiting member 4 is disposed on the insulating member 3, and in this embodiment, the limiting member 4 is disposed at an end of the insulating member 3, i.e. an end far from the outer edge of the shell body 1.

As an alternative embodiment, the limiting member 4 may be disposed at any position on the insulating member 3, i.e. at the middle or both ends, and still perform the limiting function and prevent the erroneous installation in the installation of the first housing 11 and the second housing 12.

As shown in fig. 2 and fig. 3, the device further includes a card slot 111 disposed on the first housing 11, wherein the card slot 111 is disposed on a side wall of the first housing 11; the connecting rod 121 is disposed on the second housing 12 and extends in a direction away from the second housing 12, and meanwhile, the connecting rod 121 is provided with a mounting structure 122 adapted to the slot 111, and the mounting structure 122 is inserted into the slot 111 to limit the relative position of the first housing 11 and the second housing 12, thereby achieving the rapid mounting of the first housing 11 and the second housing 12. In this embodiment, the number of the slots 111 and the number of the connecting rods 121 are four, which are symmetrically arranged.

The plurality of slots 111 may be provided at intervals around the circumferential direction of the first housing 11, and the number and the positions of the connecting rods 121 may correspond to those of the slots 111, and the mounting structures 122 may be allowed to be inserted into the slots 111.

In this embodiment, the number of the card slots 111 is four, and the card slots are uniformly arranged in the middle of the first housing 11; the number of the connecting rods 121 is also four, and the connecting rods are uniformly arranged in the middle of the second housing 12.

As an alternative embodiment, the card slot 111 may be provided on the side wall of the second housing 12, and the connection rod 121 may be provided on the second housing 12. The specific setting mode can be set according to the actual situation.

Wherein the mounting structure 122 is a barb formed at the free end of the connecting rod 121. So that the first shell 11 and the second shell 12 are tightly buckled by the barbs when the first shell 11 and the second shell 12 are buckled, thereby completing the installation of the first shell 11 and the second shell 12.

Referring to fig. 2, an anti-shaking structure 6 may be further disposed on a side wall of the second housing 12, the anti-shaking structure 6 is abutted to the connecting rod 121, wherein the anti-shaking structure 6 is a fixing plate and disposed on an outer wall of the accommodating cavity 14 in the second housing 12, so that after the first housing 11 and the second housing 12 are connected, the connecting rod 121 is prevented from shaking in the clamping groove 111, and the connection tightness between the first housing 11 and the second housing 12 is further ensured. Meanwhile, a guide surface 61 is provided at an end of the fixing plate to facilitate insertion of the connection rod 121.

As an alternative embodiment, the connecting rods 121 are four symmetrically disposed on the side wall of the second housing 12, and the anti-shaking structure 6 is located between at least two connecting rods 121 on the same side wall, so as to prevent shaking of the connecting rods 121 in the clamping grooves 111, thereby ensuring the tightness of the connection between the first housing 11 and the second housing 12.

Further, referring to fig. 2 to 4, an accommodating cavity 13 is formed inside the housing body 1, and the accommodating cavity 13 is formed by the first housing 11 and the second housing 12. The accommodating cavity 13 is internally provided with a circuit board 8 and a relay 7, the relay 7 is fixedly arranged on the circuit board 8, and specifically, the relay 7 is welded on the circuit board 8. Through with relay 7 welding on circuit board 8, compare in prior art, through the mode of connecting relay 7 and circuit board 8 of connecting wire, reduced the electric clearance between on relay 7 and the circuit board 8, reduced the width of casing body 1, and then reduced the volume of under-voltage protector is crossed to the self-resuming formula, realized the miniaturization of product.

As shown in fig. 2 and fig. 3, the first housing 11 and the second housing 12 are provided with wiring slots 10, and the circuit board 8 is inserted into the wiring slots 10. By inserting the circuit board 8 into the wiring groove 10, the circuit board 8 is limited and fixed, and the circuit board 8 is prevented from moving within the case body 1.

Meanwhile, an N-pole connecting plate 9 is further included, and the N-pole connecting plate 9 is electrically connected with the wiring assembly 2 and is positioned below the relay 7. Because the N-pole connecting plate 9 is of an N type, the relay 7 can be arranged at the position of the concave part of the N-pole connecting plate 9, the space inside the shell body 1 is further reduced, the width of the shell body 1 is reduced, and the size of the self-recovery type over-voltage and under-voltage protector is further reduced.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A self-healing over-and-under voltage protector, comprising:

a case body (1);

the wiring assembly (2) is arranged in the shell body (1), and the wiring assembly (2) comprises at least two pairs of wiring terminals (21);

it is characterized by also comprising:

and the insulating piece (3) is arranged in the shell body (1) and is positioned between each pair of the wiring terminals (21).

2. Self-healing overvoltage and undervoltage protector according to claim 1, characterized in that said case body (1) comprises:

the device comprises a first shell (11) and a second shell (12), wherein the first shell (11) is detachably connected with the second shell (12);

the wiring assembly (2) is arranged in the first shell (11) and the second shell (12).

3. The self-healing overvoltage and undervoltage protector of claim 2, further comprising:

an accommodation chamber (14) provided at both ends in the first housing (11) and the second housing (12); the insulating piece (3) is used for separating the accommodating cavity (14) and is connected with the cavity wall of the accommodating cavity (14).

4. The self-healing overvoltage and undervoltage protector of claim 3, further comprising a limiting structure, the limiting structure comprising:

the limiting pieces (4) are provided with at least two limiting pieces, are respectively arranged on the first shell (11) and the second shell (12), and are arranged in a staggered mode;

and the limiting groove (5) is arranged on the first shell (11) and the second shell (12), corresponds to the position of the limiting piece (4), and is suitable for the first shell (11) to be inserted into the second shell (12) so as to limit the relative position of the first shell (11) and the second shell (12).

5. The self-recovery overvoltage/undervoltage protector as claimed in claim 4, wherein the limiting member (4) is disposed on the insulating member (3).

6. The self-healing overvoltage and undervoltage protector of any one of claims 2 to 4, further comprising;

a card slot (111) provided in one of the first housing (11) and the second housing (12);

the connecting rod (121) is arranged on the other of the first shell (11) and the second shell (12), a mounting structure (122) matched with the clamping groove (111) is arranged on the connecting rod (121), and the mounting structure (122) is inserted into the clamping groove (111) to limit the relative position of the first shell (11) and the second shell (12).

7. The self-healing overvoltage and undervoltage protector according to claim 6, wherein the mounting structure (122) is a barb formed at a free end of the connecting rod (121).

8. The self-recovery overvoltage and undervoltage protector as claimed in claim 7, wherein a containing cavity (13) is formed inside the casing body (1), a circuit board (8) and a relay (7) are arranged in the containing cavity (13), and the relay (7) is fixedly arranged on the circuit board (8).

9. The self-healing overvoltage and undervoltage protector of claim 8, further comprising:

and the wiring groove (10) is arranged in the first shell (11) and the second shell (12), and the circuit board (8) is inserted in the wiring groove (10).

10. The self-healing overvoltage and undervoltage protector according to claim 9, further comprising an N-pole connection plate (9), wherein the N-pole connection plate (9) is electrically connected to the wiring assembly (2) and is located below the relay (7).