CN219106018U - Three-phase solid-state relay protector with overvoltage protection mechanism - Google Patents

Abstract

The utility model relates to the technical field of relay motor protectors, in particular to a three-phase solid-state relay motor protector with an overvoltage protection mechanism. The first wire column, the third wire column and the fifth wire column which are connected through the main locating piece and the auxiliary locating piece can conduct conduction with the second wire column, the fourth wire column and the sixth wire column in a thermal protection state, when equipment temperature radiation is higher than the rated value of the T thermal protector, the first wire column, the third wire column and the fifth wire column can conduct conduction with the second wire column, the fourth wire column and the sixth wire column rapidly, so that the wires connected to the first wire column, the third wire column and the fifth wire column, the second wire column, the fourth wire column and the sixth wire column and the equipment connected to the wires can be in a constant temperature state for safe operation.

Description

Three-phase solid-state relay protector with overvoltage protection mechanism

Technical Field

The utility model relates to the technical field of relay motor protectors, in particular to a three-phase solid-state relay motor protector with an overvoltage protection mechanism.

Background

The relay protector is a comprehensive relay protection device integrating inverse time limit and fixed time limit relay protection based on a microprocessor design, and mainly utilizes the principle that relay protection action is formed by the change of electrical quantity when elements in a power system are short-circuited or abnormal.

However, when the conventional relay protector is used, heat energy is continuously generated by equipment and wires connected with the relay protector, especially when the external environment is raised, the equipment connected with the relay protector is easy to soften due to the rise of temperature, and once a hot spot is higher than a melting point bearable by the circuit, the equipment connected with the relay protector can fail.

According to the above description, how to maintain the relay protector in the rated temperature environment for safe use is a technical difficulty to be solved by the utility model.

Disclosure of Invention

The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.

The technical scheme adopted by the utility model is as follows:

the utility model provides a three-phase solid-state relay motor protector with overvoltage protection mechanism, includes protection machanism and wiring mechanism, protection machanism includes insulating housing, evenly installs four main terminal posts in insulating housing top both sides shrinkage pool, a plurality of big footpath gaskets that are located four main terminal post tops, set up the vice terminal post in insulating housing top one side two ports, be located the path gasket on two vice terminal posts, connect the main setting element in one vice terminal post and connect the auxiliary setting element in another vice terminal post, wiring mechanism is including connecting wiring main terminal and the wiring vice end in two main terminal posts and install first terminal post, second terminal post, third terminal post, fourth terminal post, fifth terminal post and the sixth terminal post in other three main terminal posts.

The present utility model may be further configured in a preferred example to: the insulating shell is made of insulating plastic, and the wiring main end and the wiring auxiliary end are connected with through wires.

Through adopting above-mentioned technical scheme, utilize to set up insulating housing's width to forty-five centimetres, and set up its length to seventy centimetres, combine adjacent wiring main terminal, wiring pair end and adjacent first terminal, second terminal, distribution between third terminal, fourth terminal and fifth terminal, the sixth terminal, above-mentioned part can be in the interval of relative insulation this moment, and the device can avoid the problem emergence of wiring short circuit this moment.

The present utility model may be further configured in a preferred example to: the main binding post is integrally of a T-shaped structure, and internally provided with inwards concave threaded holes.

Through adopting above-mentioned technical scheme, utilize to offer annular end at the top of four main terminal groups, the protection of cooperation T font structure main terminal to the major diameter gasket is supported, connects wiring main terminal, wiring pair end and adjacent first terminal, second terminal in four main terminal groups respectively this moment, and stability after the wiring can be ensured to third terminal, fourth terminal and fifth terminal, sixth terminal.

The present utility model may be further configured in a preferred example to: the large-diameter gasket and the small-diameter gasket are of circular ring structures as a whole, and the inner diameter length of the large-diameter gasket is twice that of the small-diameter gasket.

Through adopting above-mentioned technical scheme, utilize to set up four big footpath gaskets of group and two footpath gaskets at the top of four groups main terminal and the top of two vice terminal, twine at wiring main terminal, wiring vice end and adjacent first terminal, second terminal this moment, the outside pencil of third terminal, fourth terminal and fifth terminal, sixth terminal can be closely held by four big footpath gaskets of group and two footpath gaskets.

By adopting the technical scheme, the beneficial effects obtained by the utility model are as follows:

1. according to the utility model, the main positioning piece and the auxiliary positioning piece are connected to the lead of the T-shaped thermal protector by using the two small-diameter gaskets, at the moment, the first, third and fifth lead posts which are connected through the main positioning piece and the auxiliary positioning piece can be conducted with the second, fourth and sixth lead posts in a thermal protection state, and when the temperature radiation of equipment is higher than the rated value of the T-shaped thermal protector, the first, third and fifth lead posts can be quickly disconnected with the second, fourth and sixth lead posts, so that the lead connected to the first, third and fifth lead posts can be effectively ensured, and the equipment connected to the lead can be in a constant temperature state for safe operation.

2. According to the utility model, the three groups of main binding posts at the bottoms of the first binding post, the third binding post, the fifth binding post, the second binding post, the fourth binding post and the sixth binding post are respectively connected with the two auxiliary binding posts by wires, and at the moment, the electronic equipment which is conducted through the first binding post, the third binding post, the fifth binding post, the second binding post, the fourth binding post and the sixth binding post can be powered off along with the interruption of the temperature rise of the T-shaped thermal protector, so that the protection can be provided for the use of the electronic equipment.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of the perspective view and top view of FIG. 1 according to an embodiment of the present utility model;

FIG. 3 is a schematic top view of FIG. 2 according to an embodiment of the present utility model;

fig. 4 is a schematic diagram of fig. 3 according to an embodiment of the present utility model.

Reference numerals:

100. 110, insulating shell; 120. a main binding post; 130. a large diameter gasket; 140. the auxiliary binding post; 150. a small diameter gasket; 160. a main positioning piece; 170. an auxiliary positioning member;

200. a wiring mechanism; 210. a wiring main end; 220. a wiring auxiliary end; 230. a first wire post; 240. a second wire post; 250. a third wire post; 260. a fourth wire post; 270. a fifth wire post; 280. and a sixth wire column.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

A three-phase solid state relay protector with overvoltage protection mechanism according to some embodiments of the present utility model is described below with reference to the accompanying drawings.

Embodiment one:

referring to fig. 1-4, the three-phase solid-state relay protector with overvoltage protection mechanism provided by the utility model comprises a protection mechanism 100 and a wiring mechanism 200, wherein the wiring mechanism 200 is arranged on the protection mechanism 100

The shielding mechanism 100 includes an insulating housing 110, a main terminal 120, a large diameter spacer 130, a sub-terminal 140, a small diameter spacer 150, a main positioning member 160, and an auxiliary positioning member 170, and the wiring mechanism 200 includes a main wiring end 210, a sub-wiring end 220, a first wiring post 230, a second wiring post 240, a third wiring post 250, a fourth wiring post 260, a fifth wiring post 270, and a sixth wiring post 280.

Specifically, four sets of main binding posts 120 are uniformly installed in concave holes on two sides of the top of the insulating housing 110, a plurality of large-diameter gaskets 130 are located at the top of the four sets of main binding posts 120, two auxiliary binding posts 140 are arranged in two ports on one side of the top of the insulating housing 110, a small-diameter gasket 150 is located on the two auxiliary binding posts 140, a main positioning piece 160 is connected in one auxiliary binding post 140, an auxiliary positioning piece 170 is connected in the other auxiliary binding post 140, a wiring main end 210 and a wiring auxiliary end 220 are connected in the two main binding posts 120, and a first wire post 230, a second wire post 240, a third wire post 250, a fourth wire post 260, a fifth wire post 270 and a sixth wire post 280 are respectively installed in the other three sets of main binding posts 120.

The three groups of main binding posts 120 at the bottoms of the first binding post 230, the third binding post 250, the fifth binding post 270 and the second binding post 240, the fourth binding post 260 and the sixth binding post 280 are respectively connected with the two auxiliary binding posts 140 by electric wires, at the moment, the electronic equipment which is conducted by the first binding post 230, the third binding post 250 and the fifth binding post 270 and the second binding post 240, the fourth binding post 260 and the sixth binding post 280 can be powered off along with the temperature-rising breaking of the T thermal protector, at the moment, the first binding post 230, the third binding post 250 and the fifth binding post 270 which are connected by the main locating piece 160 and the auxiliary locating piece 170 are in a thermal protection state with the second binding post 240, the fourth binding post 260 and the sixth binding post 280, and after the temperature radiation of the equipment is higher than the rated value of the T thermal protector, at the moment, the first binding post 230, the third binding post 250 and the fifth binding post 270 can be rapidly broken with the second binding post 240, the fourth binding post 260 and the sixth binding post 280, so that the first binding post 230, the third binding post 250 and the fourth binding post 260 can be effectively connected with the fourth binding post 240 and the fourth binding post 270 in a thermal protection state.

Embodiment two:

referring to fig. 2 and 3, in the first embodiment, the insulating housing 110 is made of insulating plastic, the main terminal 210 and the auxiliary terminal 220 are connected with through wires, the main terminal 120 has a T-shaped structure, and an internally recessed tapped hole is formed in the main terminal 120.

By setting the width of the insulating housing 110 to forty five centimeters and the length thereof to seventy centimeters, and combining the distribution among the adjacent main terminal 210, the auxiliary terminal 220, the adjacent first terminal 230, the adjacent second terminal 240, the third terminal 250, the fourth terminal 260, the fifth terminal 270 and the sixth terminal 280, the components are at relatively insulated intervals at this time, so that the device can avoid the problem of short circuit of the wires, and the device can ensure the stability after the wires by matching with the protection support of the main terminal 120 with the T-shaped structure to the large-diameter gasket 130, and the main terminal 210, the auxiliary terminal 220, the adjacent first terminal 230, the adjacent second terminal 240, the third terminal 250, the fourth terminal 260, the fifth terminal 270 and the sixth terminal 280 which are respectively connected in the four groups of main terminals 120.

Embodiment III:

as shown in fig. 2 and 3, on the basis of the first embodiment, the large diameter gasket 130 and the small diameter gasket 150 are both in a circular ring structure as a whole, and the inner diameter length of the large diameter gasket 130 is twice the inner diameter length of the small diameter gasket 150.

By arranging four large-diameter gaskets 130 and two small-diameter gaskets 150 on the top of the four main binding posts 120 and the top of the two auxiliary binding posts 140, the wire harness outside the third wire post 250, the fourth wire post 260, the fifth wire post 270 and the sixth wire post 280 can be tightly clamped by the four large-diameter gaskets 130 and the two small-diameter gaskets 150 while being wound around the wire main end 210, the wire auxiliary end 220 and the adjacent first wire post 230, the second wire post 240.

The working principle and the using flow of the utility model are as follows: the operator needs to connect the T-heat protection period with the main positioning member 160 and the auxiliary positioning member 170 by using wires in advance, when the temperature of the T-heat protector reaches the set value, the main positioning member 160 and the auxiliary positioning member 170 are disconnected, and then the first wire post 230, the second wire post 240, the third wire post 250, the fourth wire post 260, the fifth wire post 270 and the sixth wire post 280 in the connection state are synchronously disconnected, when the temperature is lower than the set value of the T-heat protector, the main positioning member 160 and the auxiliary positioning member 170 are in the connection state, and at the moment, the first wire post 230, the second wire post 240, the third wire post 250, the fourth wire post 260, the fifth wire post 270 and the sixth wire post 280 are synchronously connected, and when external radiation is reacted through the T-heat protector, the protection mechanism 100 and the wire connection mechanism 200 connected to the T-heat protector can provide the electronic device with the direct connection or disconnection.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (5)

1. A three-phase solid state relay protector with overvoltage protection mechanism, characterized in that it comprises a protection mechanism (100) and a wiring mechanism (200);

the protection mechanism (100) comprises an insulating shell (110), four groups of main binding posts (120) uniformly arranged in concave holes on two sides of the top of the insulating shell (110), a plurality of large-diameter gaskets (130) arranged on the top of the four groups of main binding posts (120), auxiliary binding posts (140) arranged in two ports on one side of the top of the insulating shell (110), small-diameter gaskets (150) arranged on the two auxiliary binding posts (140), a main positioning piece (160) connected in one auxiliary binding post (140) and an auxiliary positioning piece (170) connected in the other auxiliary binding post (140);

the wiring mechanism (200) is mounted on the protection mechanism (100) and comprises a wiring main end (210) and a wiring auxiliary end (220) which are connected in two main wiring terminals (120), and a first wiring terminal (230), a second wiring terminal (240), a third wiring terminal (250), a fourth wiring terminal (260), a fifth wiring terminal (270) and a sixth wiring terminal (280) which are mounted in other three groups of main wiring terminals (120).

2. A three-phase solid state relay protector with overvoltage protection mechanism according to claim 1, characterized in that the insulating housing (110) is made of insulating plastic.

3. The three-phase solid state relay protector with the overvoltage protection mechanism according to claim 1, wherein the main binding post (120) is of a T-shaped structure as a whole, and an internally concave threaded hole is formed in the main binding post (120).

4. The three-phase solid state relay protector with the overvoltage protection mechanism according to claim 1, wherein the large diameter gasket (130) and the small diameter gasket (150) are of an annular structure as a whole, and the inner diameter length of the large diameter gasket (130) is twice the inner diameter length of the small diameter gasket (150).

5. The three-phase solid state relay protector with overvoltage protection mechanism according to claim 1, wherein the main terminal (210) and the auxiliary terminal (220) are connected with through wires.

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