CN210156318U

CN210156318U - Time-delay relay

Info

Publication number: CN210156318U
Application number: CN201921202163.2U
Authority: CN
Inventors: 沈献伟
Original assignee: Ningbo Speeda Electric Appliance Co Ltd
Current assignee: Ningbo Speeda Electric Appliance Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-03-17
Anticipated expiration: 2029-07-29

Abstract

The utility model belongs to the technical field of the relay technique and specifically relates to a time delay relay, including time delay relay, the mounting panel has been placed to the time delay relay bottom, mounting panel and time delay relay swing joint, and open at mounting panel side middle part has first T-slot, has placed the installation piece in the first T-slot, and the cross-section of installation piece is T shape, and open on installation piece top has the counter sink, has placed the screw in the counter sink, and the panel threaded connection of counter sink and switch board is passed to the one end of screw, and positioning mechanism is installed respectively to the both sides on the top of installation piece. The utility model discloses simple structure is worth promoting.

Description

Time-delay relay

Technical Field

The utility model relates to a relay technical field especially relates to a time delay relay.

Background

The time delay relay is mainly used in various protection and automatic control circuits operated by direct current or alternating current and is used as an auxiliary relay to increase the number of contacts and the capacity of the contacts, the time delay can be freely adjusted according to needs, the three-phase undervoltage and open-phase time delay relay is one of the time delay relays, when a plurality of sections of voltage buses exist in a control cabinet, a plurality of time delay relays need to be installed in the control cabinet, and the three-phase undervoltage and open-phase time delay relay provided by the application number CN201610292967.0 can solve the problem of installing a plurality of time delay relays in the control cabinet, but the time delay relay provided by the application number CN201610292967.0 is generally fixedly installed with a panel in the control cabinet by screws, and the time delay relays cannot be arranged according to the circuits in the actual installation process, so that the positions of the time delay relays can be adjusted and the arrangement of the circuits in the control cabinet is not convenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the installation position of the time delay relay in the control cabinet can not adjust the position according to the arrangement of the circuit in the prior art, and providing the time delay relay.

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

designing a time delay relay, including time delay relay, time delay relay includes: the device comprises a voltage sampling circuit connected with a three-phase power supply, an operation comparator detection circuit connected with the voltage sampling circuit and used for comparing sampling voltage with preset reference voltage to judge whether the detected three-phase power supply is under-voltage fault or not, an under-voltage output circuit connected with the operation comparator detection circuit and used for outputting a remote signaling instant action signal when the under-voltage fault is detected, a timing controller connected with a timing trigger signal output end of the under-voltage output circuit and used for outputting a remote signaling delay action signal after the under-voltage time of the under-voltage fault reaches a set delay time, an auxiliary power supply, a DC/DC converter connected with the auxiliary power supply, and a reference voltage circuit connected with the DC/DC converter, wherein the reference voltage output end of the reference voltage circuit is connected with the reference voltage input end of the operation comparator detection circuit; DC/DC converter's direct current output still links to each other with time delay relay's internal work power supply, the mounting panel has been placed to time delay relay bottom, mounting panel and time delay relay swing joint, open at mounting panel side middle part has first T-slot, the installation piece has been placed to first T-slot, the cross-section of installation piece is T shape, open on installation piece top has the counter sink, the screw has been placed to the counter sink, the panel threaded connection of counter sink and switch board is passed to the one end of screw, positioning mechanism is installed respectively to the both sides on the top of installation piece.

Preferably, the positioning mechanism comprises a positioning hole, the positioning hole is located at the top end of the mounting block, a positioning block is inserted into the positioning hole, and the positioning block and the positioning hole are in tight fit.

Preferably, a plurality of heat dissipation holes are formed in the bottom end of the mounting plate and penetrate through the mounting plate.

Preferably, mounting panel one side fixedly connected with cutting ferrule, the cutting ferrule joint is in the outside of installation piece, and is closely cooperated between installation piece and the cutting ferrule.

Preferably, the top end of the mounting plate is provided with a second T-shaped groove, a T-shaped block is fixedly connected to the bottom end of the delay relay relative to the second T-shaped groove, the T-shaped block is located in the second T-shaped groove, and the second T-shaped groove is tightly matched with the T-shaped block.

The utility model provides a pair of time delay relay, beneficial effect lies in:

1. the utility model discloses a set up the mounting panel to install the installation piece in the mounting panel bottom, can be so that time delay relay can move on the installation piece, be connected with T-shaped piece and second T-shaped groove simultaneously in time delay relay bottom, make time delay relay remove at the perpendicular direction of installing the piece of mounting panel.

Drawings

Fig. 1 is a schematic structural diagram of a delay relay according to the present invention;

fig. 2 is another schematic angle structure diagram of a delay relay according to the present invention;

fig. 3 is a side sectional view of a delay relay according to the present invention;

fig. 4 is a schematic structural diagram of the time delay relay according to the present invention when the time delay relay is removed;

fig. 5 is a block diagram of a circuit structure of a relay in a delay relay according to the present invention.

In the figure: delay relay 1, mounting panel 2, installation piece 3, counter sink 4, screw 5, locating piece 6, first T-slot 7, locating hole 8, louvre 9, cutting ferrule 10, second T-slot 11, T-shaped piece 12, mounting hole 13.

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.

Referring to fig. 1 to 5, a delay relay includes a delay relay 1, and the delay relay 1 includes: the device comprises a voltage sampling circuit connected with a three-phase power supply, an operation comparator detection circuit connected with the voltage sampling circuit and used for comparing sampling voltage with preset reference voltage to judge whether the detected three-phase power supply is under-voltage fault or not, an under-voltage output circuit connected with the operation comparator detection circuit and used for outputting a remote signaling instant action signal when the under-voltage fault is detected, a timing controller connected with a timing trigger signal output end of the under-voltage output circuit and used for outputting a remote signaling delay action signal after the under-voltage time of the under-voltage fault reaches a set delay time, an auxiliary power supply, a DC/DC converter connected with the auxiliary power supply and a reference voltage circuit connected with the DC/DC converter, wherein the reference voltage output end of the reference voltage circuit is connected with the reference voltage input end of the operation comparator detection circuit; DC/DC converter's direct current output still links to each other with time delay relay's internal work power supply, mounting panel 2 has been placed to time delay relay 1 bottom, mounting panel 2 and time delay relay 1 swing joint, 2 side middle parts of mounting panel are opened there is first T-slot 7, installation piece 3 has been placed in first T-slot 7, the cross-section of installation piece 3 is the T shape, 3 tops of installation piece are opened there is counter sink 4, place screw 5 in counter sink 4, the panel threaded connection of counter sink 4 and switch board is passed to the one end of screw 5, positioning mechanism is installed respectively to the both sides on installation piece 3's top.

The positioning mechanism comprises a positioning hole 8, the positioning hole 8 is located at the top end of the mounting block 3, a positioning block 6 is inserted into the positioning hole 8, the positioning block 6 is tightly matched with the positioning hole 8, and the delay relay 1 can be limited to move on the mounting block 3 within a certain range through the positioning mechanism.

A plurality of heat dissipation holes 9 are formed in the bottom end of the mounting plate 2, the heat dissipation holes 9 penetrate through the mounting plate 2, heat dissipation of the time delay relay 1 can be better through the heat dissipation holes 9, the time delay relay 1 is directly connected with a mounting panel in the control cabinet before comparison, and the heat dissipation effect is better.

2 one side fixedly connected with cutting ferrule 10 of mounting panel, cutting ferrule 10 joint is in the outside of installation piece 3, and is closely cooperated between installation piece 3 and the cutting ferrule 10, can be fixed with 1 relative installation pieces 3 of time delay relay through cutting ferrule 10.

The top end of the mounting plate 2 is provided with a second T-shaped groove 11, the bottom end of the delay relay 1 is fixedly connected with a T-shaped block 12 relative to the second T-shaped groove 11, the T-shaped block 12 is positioned in the second T-shaped groove 11, and the second T-shaped groove 11 is tightly matched with the T-shaped block 12, so that the delay relay 1 can move on the mounting plate 1 along the direction perpendicular to the mounting plate 3.

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. A time delay relay comprising a time delay relay (1), the time delay relay (1) comprising: the device comprises a voltage sampling circuit connected with a three-phase power supply, an operation comparator detection circuit connected with the voltage sampling circuit and used for comparing sampling voltage with preset reference voltage to judge whether the detected three-phase power supply is under-voltage fault or not, an under-voltage output circuit connected with the operation comparator detection circuit and used for outputting a remote signaling instant action signal when the under-voltage fault is detected, a timing controller connected with a timing trigger signal output end of the under-voltage output circuit and used for outputting a remote signaling delay action signal after the under-voltage time of the under-voltage fault reaches a set delay time, an auxiliary power supply, a DC/DC converter connected with the auxiliary power supply, and a reference voltage circuit connected with the DC/DC converter, wherein the reference voltage output end of the reference voltage circuit is connected with the reference voltage input end of the operation comparator detection circuit; DC/DC converter's direct current output still links to each other with time delay relay's internal work power supply, its characterized in that, mounting panel (2) have been placed to time delay relay (1) bottom, mounting panel (2) and time delay relay (1) swing joint, open mounting panel (2) side middle part has first T-slot (7), installation piece (3) have been placed in first T-slot (7), the cross-section of installation piece (3) is the T shape, open on installation piece (3) top has counterbore (4), screw (5) have been placed in counterbore (4), the panel threaded connection of counterbore (4) and switch board is passed to the one end of screw (5), positioning mechanism is installed respectively to the both sides on the top of installation piece (3).

2. The time delay relay according to claim 1, wherein the positioning mechanism comprises a positioning hole (8), the positioning hole (8) is located at the top end of the mounting block (3), a positioning block (6) is inserted into the positioning hole (8), and the positioning block (6) and the positioning hole (8) are in close fit.

3. The time delay relay according to claim 1, wherein a plurality of heat dissipation holes (9) are opened at the bottom end of the mounting plate (2), and the heat dissipation holes (9) penetrate through the mounting plate (2).

4. The time delay relay as claimed in claim 1, wherein a cutting sleeve (10) is fixedly connected to one side of the mounting plate (2), the cutting sleeve (10) is clamped at the outer side of the mounting block (3), and the mounting block (3) is tightly matched with the cutting sleeve (10).

5. The time delay relay according to claim 1, characterized in that the top end of the mounting plate (2) is provided with a second T-shaped groove (11), the bottom end of the time delay relay (1) is fixedly connected with a T-shaped block (12) opposite to the second T-shaped groove (11), the T-shaped block (12) is positioned in the second T-shaped groove (11), and the second T-shaped groove (11) is tightly matched with the T-shaped block (12).