CN210577746U

CN210577746U - Mains supply overvoltage and undervoltage protector

Info

Publication number: CN210577746U
Application number: CN201921518904.8U
Authority: CN
Inventors: 王祖福
Original assignee: Shenzhen Eplan Technology Co Ltd
Current assignee: Shenzhen Eplan Technology Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-19
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to an excessive pressure under-voltage protector technical field just discloses a commercial power excessive pressure under-voltage protector, including protector main part and cap, the upper surface and the equal fixedly connected with isolating mechanism of lower surface of protector main part, the upper surface and the equal fixedly connected with fixed establishment of lower surface of cap, fixed establishment bottom matched with jack has been seted up to the outer wall of protector main part, and a plurality of circular through-holes have all been seted up to the lateral wall of protector main part and cap. The utility model discloses can effectively avoid live wire and zero line to contact, ensure line connection's stability, improve line connection's security simultaneously, and reduce the self weight of protector through seting up circular through-hole, also can effectively improve the convenience that the protector was maintained.

Description

Mains supply overvoltage and undervoltage protector

Technical Field

The utility model relates to an excessive pressure under-voltage protection ware technical field especially relates to a commercial power excessive pressure under-voltage protection ware.

Background

The protection circuit is designed to adopt a high-speed micro-low power consumption processor as a core, a magnetic latching relay as a main circuit and an analog standard design, when overvoltage and undervoltage occur in a power supply line, the protector can rapidly and safely cut off the circuit under continuous high-voltage impact to avoid accidents caused by abnormal voltage being sent into a terminal electrical appliance, when the voltage is recovered to a normal value, the protector automatically switches on the circuit within a specified time, and the terminal electrical appliance is ensured to normally run under the unattended condition.

The condition of live wire and zero line contact takes place easily in the use for current commercial power excessive pressure under-voltage protector, and the contact of live wire and zero line joint department leads to the circuit short circuit outage even, influences the stability of the connection of circuit, influences power line's security simultaneously, and in addition, the process is too loaded down with trivial details inconvenience, consuming time difficultly is opened to present commercial power excessive pressure under-voltage protector cap, and then influences the convenience that commercial power excessive pressure under-voltage protector maintained.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the circumstances that commercial power excessive pressure under-voltage protector takes place live wire and zero line contact easily in the use among the prior art, influence the stability of the connection of circuit, influence power line's security simultaneously to and the process is opened too loaded down with trivial details inconvenience to present commercial power excessive pressure under-voltage protector cap, influence the problem that commercial power excessive pressure under-voltage protector maintained the convenience, and the commercial power excessive pressure under-voltage protector who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a commercial power overvoltage under-voltage protector, includes protector main part and cap, the upper surface and the equal fixedly connected with isolation mechanism of lower surface of protector main part, the upper surface and the equal fixedly connected with fixed establishment of lower surface of cap, fixed establishment bottom matched with jack has been seted up to the outer wall of protector main part, a plurality of circular through-holes have all been seted up to the lateral wall of protector main part and cap.

Preferably, the isolation mechanism comprises two L-shaped plates fixedly connected with the outer wall of the protector main body, an opening is formed in the outer wall of one side of each L-shaped plate, and the inner wall of the opening is fixedly connected with a rubber block.

Preferably, the fixing mechanism comprises a fixture block fixedly connected with the outer wall of the shell cover, a through hole is formed in the upper surface of the fixture block, a T-shaped limiting rod is movably connected to the hole wall of the through hole, a spring is movably sleeved on the rod wall of the T-shaped limiting rod, and two ends of the spring are fixedly connected with the upper surface of the fixture block and the rod wall of the T-shaped limiting rod respectively.

Preferably, one ends of the two T-shaped limiting rods, which are opposite to each other, are fixedly connected with pull ropes.

Preferably, the inner wall of the mounting groove of the rear side wall of the protector main body is fixedly connected with two symmetrically distributed rubber strips.

Preferably, the rod walls of the two T-shaped limiting rods are fixedly connected with rubber pads.

Compared with the prior art, the utility model provides a commercial power excessive pressure under-voltage protector possesses following beneficial effect:

1. this overvoltage and undervoltage protection of commercial power ware, through being provided with the L shaped plate, opening and block rubber, after the output and the input of line joint and protector main part are connected, fill in the L shaped plate through the opening respectively to live wire and zero line, the frictional force that utilizes the block rubber simultaneously prevents that live wire and zero line break away from the L shaped plate, avoid the mutual contact between the two, and through offering the heat dissipation that a plurality of circular through-holes increased the protector to protector main part and cap outer wall, reduce the weight of protector simultaneously, this mechanism can effectively avoid live wire and zero line to contact, the stability of line connection has been ensured, improve the security of line connection simultaneously, and reduced the self weight of protector.

2. This mains supply overvoltage under-voltage protector through being provided with spring, T shape gag lever post and stay cord, when needs are opened the cap and are carried out the protector and maintain, at first through stay cord pulling T shape gag lever post, T shape gag lever post breaks away from the protector main part, and the spring stretches simultaneously, can make cap and protector main part separation after that, and this mechanism can effectively improve the convenience that the protector maintained.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can effectively avoid live wire and zero line to contact, ensure line connection's stability, improve line connection's security simultaneously, and reduce the self weight of protector through seting up circular through-hole, also can effectively improve the convenience that the protector maintained.

Drawings

Fig. 1 is a schematic structural diagram of a mains supply overvoltage and undervoltage protector according to the present invention;

fig. 2 is a schematic structural diagram of a side view of a mains supply overvoltage and undervoltage protector provided by the present invention;

fig. 3 is a schematic structural diagram of the utility model provides a commercial power overvoltage under-voltage protector overlooking.

In the figure: the device comprises a protector body 1, a shell cover 2, an isolation mechanism 3, a 31L-shaped plate, a 32 opening, a 33 rubber block, a 4 fixing mechanism, a 41 clamping block, a 42T-shaped limiting rod, a 43 spring, a 5 circular through hole, a 6 pull rope and a 7 rubber strip.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a commercial power overvoltage and undervoltage protector, includes protector main part 1 and cap 2, the equal fixedly connected with isolation mechanism 3 of upper surface and the lower surface of protector main part 1, the equal fixedly connected with fixed establishment 4 of upper surface and lower surface of

cap

2, 3 bottom matched with jacks of fixed establishment are seted up to the outer wall of protector main part 1, a plurality of circular through-holes 5 have all been seted up to the lateral wall of protector main part 1 and cap 2.

Isolation mechanism 3 includes two L shaped plates 31 with 1 outer wall fixed connection of protector main part, and opening 32 has been seted up to the outer wall of two L shaped plates 31 mutually the one side mutually, and opening 32's inner wall fixedly connected with block rubber 33, this mechanism can effectively avoid the live wire to contact with the zero line, have ensured the stability of line connection, improve the security of line connection simultaneously, and have reduced the self weight of protector.

Fixing mechanism 4 includes fixture block 41 with 2 outer wall fixed connection of cap, and the through-hole has been seted up to fixture block 41's upper surface, and the pore wall swing joint of through-hole has T shape gag lever post 42, and spring 43 has been cup jointed in T shape gag lever post 42's pole wall activity, and spring 43's both ends respectively with fixture block 41's upper surface and T shape gag lever post 42's pole wall fixed connection, this mechanism can effectively improve the convenience that the protector maintained.

Two equal fixedly connected with stay cord 6 of one end that T shape gag lever post 42 carried on the back mutually, stay cord 6 is convenient for spur T shape gag lever post 42.

The inner wall fixedly connected with of 1 back side wall mounting groove of protector main part has two symmetric distribution's rubber strip 7, and rubber strip 7 increases the stability of protector at the electronic box internal connection.

The rod walls of the two T-shaped limiting rods 42 are fixedly connected with rubber pads, and the rubber pads can increase the friction force of the T-shaped limiting rods 42.

In the utility model, after the line joint is connected with the output end and the input end of the protector main body 1, the live wire and the zero wire are respectively plugged into the L-shaped plate 31 through the opening 32, the friction force of the rubber block 33 is utilized to prevent the live wire and the zero wire from being separated from the L-shaped plate 31, the mutual contact between the live wire and the zero wire is avoided, the heat dissipation of the protector is increased by arranging a plurality of circular through holes 5 on the outer walls of the protector main body 1 and the shell cover 2, the weight of the protector is reduced, the mechanism can effectively prevent the live wire from being contacted with the zero wire, the stability of line connection is ensured, the safety of line connection is improved, the self weight of the protector is reduced, when the shell cover 2 needs to be opened for protector maintenance, the T-shaped limiting rod 42 is firstly pulled through the pull rope 6, the T-shaped limiting rod 42 is separated from the protector main body 1, the mechanism can effectively improve the convenience of the maintenance of the protector.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a commercial power overvoltage under-voltage protector, includes protector main part (1) and cap (2), its characterized in that, the upper surface and the equal fixedly connected with isolating mechanism of lower surface (3) of protector main part (1), the upper surface and the equal fixedly connected with fixed establishment of lower surface (4) of cap (2), fixed establishment (4) bottom matched with jack has been seted up to the outer wall of protector main part (1), a plurality of circular through-holes (5) have all been seted up to the lateral wall of protector main part (1) and cap (2).

2. The mains supply overvoltage and undervoltage protector according to claim 1, wherein the isolation mechanism (3) comprises two L-shaped plates (31) fixedly connected with the outer wall of the protector body (1), an opening (32) is formed in the outer wall of the opposite side of the two L-shaped plates (31), and a rubber block (33) is fixedly connected to the inner wall of the opening (32).

3. The mains supply overvoltage and undervoltage protector according to claim 1, wherein the fixing mechanism (4) comprises a fixture block (41) fixedly connected with the outer wall of the housing cover (2), a through hole is formed in the upper surface of the fixture block (41), a T-shaped limiting rod (42) is movably connected to the hole wall of the through hole, a spring (43) is movably sleeved on the rod wall of the T-shaped limiting rod (42), and two ends of the spring (43) are respectively fixedly connected with the upper surface of the fixture block (41) and the rod wall of the T-shaped limiting rod (42).

4. The mains supply overvoltage and undervoltage protector according to claim 3, wherein a pull rope (6) is fixedly connected to each of opposite ends of the two T-shaped limiting rods (42).

5. The mains supply overvoltage and undervoltage protector according to claim 1, wherein two symmetrically distributed rubber strips (7) are fixedly connected to the inner wall of the mounting groove of the rear side wall of the protector main body (1).

6. The mains supply overvoltage and undervoltage protector as claimed in claim 3, wherein rubber pads are fixedly connected to the rod walls of the two T-shaped limiting rods (42).