CN100583342C

CN100583342C - Relay

Info

Publication number: CN100583342C
Application number: CN200510081133A
Authority: CN
Inventors: 李喆燮; 姜秉煜; 赵炳熙
Original assignee: Tyco Electronics AMP Korea Co Ltd
Current assignee: Tyco Electronics AMP Korea Co Ltd
Priority date: 2004-06-28
Filing date: 2005-06-28
Publication date: 2010-01-20
Anticipated expiration: 2025-06-28
Also published as: JP2006012843A; KR200361405Y1; CN1716489A

Abstract

The invention discloses a relay which can realize firmer coupling between a connector and a relay terminal and prevent damp from intruding into the terminal. The relay comprises a crust containing a relay unit which can trigger a switch to work according to an electric signal, and the relay also comprises one or a plurality of terminals which are provided at one side of the crust and are connected with the connector and a waterproof cover which is arranged as surrounding each terminal. By such a structure, the coupling between the connector and the relay can be firm and continuously kept stable under the influence of the vibration caused by the working process of various kinds of mechanical equipments or an electronic product comprising the relay or the outside impact. Therefore, the present invention can ensure that the relay works stably and continuously and prevent the electric accident caused by the power leakage of the relay.

Description

Relay

Technical field

The present invention relates to relay, relate to more especially and preventing to allow connector to be coupled to the relay of its terminal securely when moisture from invading terminal.

Background technology

As everyone knows, relay is a kind ofly to cut off or connect the switch in loop by the response signal of telecommunication, and use in vehicle, various plant equipment and electronic product etc. widely.

Fig. 6 shows the example of the relay of a prior art.The relay of the prior art shown in this represents with label 200, and it comprises that one prevents the shell 201 that dust and moisture are invaded and is contained in relay unit in this shell 201, and this relay unit can come trigger switch to carry out work according to the signal of telecommunication.A plurality of contacts 202 are installed in the top of shell 201, are used for coupled connector.

Yet, in the relay 200 of prior art, because the terminal that projects upwards from the top of shell is only by utilizing the frictional force between itself and connector to be coupled with the connector (not shown), so because the vibration or the external impact that produce in various plant equipment or electronic product or the like (comprising relay), these terminals tend to separate with connector easily.

In addition, owing to will be exposed to housing exterior by the terminal that conductor constitutes, these terminals are exposed under the moisture fully, thereby are easy to cause leakage power or short circuit.

In addition, when for the intrusion that prevents moisture during with the body seal of relay, the inside of shell can be full of the gas that is produced by spark in the process of relay work.This will cause the temperature and pressure of enclosure to raise, thereby cause relay to break down.

Summary of the invention

Therefore, consider that the problems referred to above design the present invention, an object of the present invention is to provide a kind of relay, it can be implemented in the more firm coupling between connector and the relay terminal, and prevents that moisture from invading in the terminal.

Another object of the present invention provides a kind of relay, and its moisture that can allow effectively terminal to be produced is discharged to the outside.

Another object of the present invention provides a kind of relay, and its gas that can allow will produce in relay1 case in the process of relay work effectively is discharged to the outside.

Another object of the present invention provides a kind of relay, and it can use the structure of simplification to realize the discharge of gas.

Another object of the present invention provides a kind of relay, and it can prevent that moisture from invading in the shell of relay, helps discharging the gas of portion's generation in the enclosure in the process of relay work simultaneously.

According to the present invention, by a kind of relay is provided, can realize top and other purpose, wherein this relay comprises a shell that holds relay unit, this relay unit can carry out work according to signal of telecommunication trigger switch, one or more terminals that are connected with connector that provide in a side of shell also are provided this relay, and are configured to the waterproof outer cover around each terminal.

Preferably, each waterproof outer cover can have an opening portion that cuts away that forms in the one side.

Preferably, the gas discharge structure can be arranged on second side of shell, so that the gas of portion's generation in the enclosure is discharged to the outside.

Preferably, the gas discharge structure can comprise a gas discharge outlet at second STH of shell.

Preferably, the gas discharge structure can comprise a dimple that is limited to second side of shell, the gas discharge outlet of perforate in dimple, and on shell that is fixed on the gas discharge outlet front so that only cover the lid of the upper area of dimple.

Description of drawings

In conjunction with the accompanying drawing of enclosing, by following detailed description, above the present invention with other purpose, feature and other advantage with easier to understand, wherein:

Fig. 1 is the perspective view that has according to the relay of the independent lid of one exemplary embodiment of the present invention;

Fig. 2 shows the longitudinal sectional drawing of major part of the relay of Fig. 1;

Fig. 3 is the perspective view that has according to the relay of the independent lid of another exemplary embodiment of the present invention;

Fig. 4 shows the longitudinal sectional drawing of major part of the relay of Fig. 3;

The perspective view of the relay during Fig. 5 is to use; And

Fig. 6 is the perspective view of the relay of prior art.

Embodiment

Now, the preferred exemplary embodiment of the present invention is described with reference to the accompanying drawings.

Fig. 1 is the perspective view that has according to the relay with independent lid of one exemplary embodiment of the present invention, and Fig. 2 shows the longitudinal sectional drawing of pith of the relay of Fig. 1.

As illustrated in fig. 1 and 2, comprise a shell 20 that holds relay unit 10 and a plurality of top that is installed in shell 20 be used to the to be coupled terminal 30 of relay aerial lug 100 (referring to Fig. 5) according to the relay of exemplary embodiment of the present invention.This relay also comprises a plurality of waterproof outer cover 31, and each waterproof outer cover is around a terminal 30.

Terminal 30 is electrically connected with relay unit 10, to provide electric energy or operation signal to relay unit 10.These terminals 30 are made of conductor, are electrically connected with connector 100 when terminal contacts with each other with connector 100.

Each waterproof outer cover 31 outwards separates with a terminal 30 that is associated, and protrudes upward predetermined height from the top of shell 20, to be suitable for allowing connector 100 enough to be inserted in therebetween.In this way, connector 100 not only be subjected to and terminal 30 between frictional force influence, and be subjected to and waterproof outer cover 31 between frictional force influence, thereby between terminal 30 and connector 100, form more firm coupling.

Be inserted in state between the waterproof outer cover 31 at a kind of so wherein connector, waterproof outer cover 31 is as preventing that moisture from invading terminal 30 fully, thus the fault of preventing or because the Power leakage of moisture in terminal 30.

This waterproof outer cover 31 has and is arranged on the vertically extending opening portion that cuts away 32 on the one side.This opening portion that cuts away 32 is used for being discharged to the outside of waterproof outer cover 31 from the moisture that terminal 30 produces, because preferably even will be discharged to the outside by spontaneous moisture in terminal 30.

In this exemplary embodiment, relay also comprises the gas discharge outlet 40 of the cross side that is arranged on shell 20, so that will be because the gas that spark produces is discharged to the outside of shell 20 in the course of work of relay unit 10.

This gas discharge outlet 40 perforate on the cross side of shell 20 is simultaneously around dimple 41 of the recessed formation of presumptive area of the cross side of the shell 20 of gas discharge outlet 40.A lid 42 is in the front of gas discharge outlet 40.In this exemplary embodiment, lid 42 is configured to and is sized to the upper area that only covers dimple 41.

Utilize this gas discharge structure, can be discharged in the dimple 41 by the gas discharge outlet 40 of perforate at the shell 20 inner gases that produce, and, be discharged to the outside of shell 20 from the lower area that comes the tegmentum subcovering of dimple 41 after dimple 41 flows.Like this,, also can not cause the internal pressure of relay and temperature to raise owing to the reason of gas even in shell 20, produced gas, and the danger that does not have relay to break down.

In addition, but the upper area of the front of lid 42 confining gas outlets 40 and dimple 41 prevents fully that thus the outside moisture that exists of relay from entering into gas discharge outlet 40.As easy expectation, can prevent fully effectively owing to moisture causes relay Power leakage or short circuit.

Fig. 3 is the perspective view that has according to the relay of the independent lid of another exemplary embodiment of the present invention.Fig. 4 shows the longitudinal sectional drawing of major part of the relay of Fig. 3.Therefore this exemplary embodiment comprises all elements of front embodiment, and the embodiment with the front is identical basically, except its lid 42 ' be configured to cover fully dimple 41.

The lid 42 of this exemplary embodiment ' constitute by special material, for example

Or the like, so that allow and will be discharged to the outside, prevent that simultaneously moisture from infiltrating from shell 20 at the shell 20 inner gases that produce.Thus, lid 42 ' can prevent fully that moisture from entering shell 20 by gas discharge outlet 40, thus guarantee that relay more effectively works.

The exemplary embodiment that above-described the present invention is different has been used a connector locking guide 50 that is installed in terminal 30 1 sides usually.This connector locking guide 50 has a groove of outstanding locking bar 102 downwards that is configured to keep regularly connector 100.Preferably make connector 100 and relay coupling forcibly, and the danger of the separation of not expecting that can not cause owing to the vibration in comprising the plant equipment of relay or external impact, thereby guarantee the steady supply of electric power.

The perspective view of the relay during Fig. 5 is to use.With reference to figure 5, one or more connector projections 101 of connector 100 are inserted into the terminal 30 at the top that is arranged on shell 20, so that relay is connected with external unit.Then, the locking bar 102 of connector 100 is engaged in the groove that is arranged at connector locking guide 50, so that prevent separating of the connector 100 do not expected and relay.

In addition, the gas that produces in relay work passes dimple 40 and discharges from being discharged to outside gas discharge outlet 40, and lid 42 can prevent that outside moisture from invading in the shell 20.

It is evident that by top description, the invention provides a kind of relay, wherein waterproof outer cover is mounted to around each terminal so that be implemented in coupling more firm between terminal and the connector, and prevents that moisture from invading terminal.Therefore, waterproof outer cover of the present invention has and prevents in various plant equipment or comprise the vibration that causes in the course of work of electronic product of relay or impact and effect that connector is separated with relay undesirably, thereby guarantees the continuous operation of relay and prevent any leakage accident.

In addition, according to the present invention, each waterproof outer cover has the opening portion that cuts away, so that the moisture that will produce in terminal is discharged to the outside.Can prevent effectively because the moisture that terminal produces causes bad operation or the contact or the Power leakage of relay.

In addition, the invention provides relay,, thereby prevent that the internal pressure of shell and temperature from raising in the process of relay work in relay1 case so that the gas that will produce is discharged to the outside with gas discharge structure.Therefore eliminated the danger that relay breaks down.

Gas discharge structure according to the present invention comprises a gas discharge outlet that forms at the cross side of shell, so that allow to use the structure of simplifying to discharge gas.Its effect is the manufacturing of having simplified relay1 case.

In addition, according to the present invention, a lid that partially or completely covers on the dimple that limits in the presumptive area of gas discharge outlet is provided,, prevents that simultaneously outside moisture from invading in the shell in the process of relay work so that the gas that allows to produce is steadily discharged.Thus, the present invention can prevent the Power leakage or the short circuit of the relay that causes owing to moisture fully, allows to discharge effectively internal gas simultaneously.

Although for illustrative purpose discloses the preferred embodiments of the present invention, but those skilled in the art should understand that, under the condition that does not break away from as the disclosed scope and spirit of the present invention of claims of enclosing, various modifications, interpolation and replacement all are possible.

Claims

1. a relay comprises the shell that holds relay unit, and this relay unit can carry out work according to signal of telecommunication trigger switch, and this relay also comprises:

One or more sides at shell provide is used for the terminal that is connected with connector; And

Be configured to waterproof outer cover around each terminal; And

The gas discharge structure, described gas discharge structure comprises:

Be limited to the dimple of second side of shell;

The gas discharge outlet of perforate in dimple; And

Be fixed on the lid on the shell of front of gas discharge outlet, so that only cover the upper area of dimple or cover dimple fully.

2. relay as claimed in claim 1, wherein each waterproof outer cover has the opening portion that cuts away that forms in the one side.

3. relay as claimed in claim 1 or 2, wherein the gas discharge structure is arranged on second side of shell, so that the gas of portion's generation in the enclosure is discharged to the outside.

4. relay as claimed in claim 3, wherein the gas discharge structure is included in the gas discharge outlet of second STH of shell.

5. relay as claimed in claim 1, wherein lid is made of a kind of material, and this material allows the gas of portion's generation in the enclosure to discharge, and prevents that moisture from infiltrating from the outside of shell.