CN2590162Y

CN2590162Y - Capacitor trigger relay

Info

Publication number: CN2590162Y
Application number: CN 02295318
Authority: CN
Inventors: 周安泽
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-12-25
Filing date: 2002-12-25
Publication date: 2003-12-03
Anticipated expiration: 2012-12-25

Abstract

The utility model discloses a capacitor trigger relay. The inner part of a casing is provided with an ordinary electromagnetic relay which is composed of an electromagnet core, an electromagnetic coil, a static and a moving contacts, an armature, etc., wherein, the electromagnet core is coaxially provided with a permanent magnet, one end face of the permanent magnet is parallel to one end face of the electromagnet core with a gap, the other end face of the permanent magnet is provided with a device which can regulate the gap size, one lead wire of the electromagnetic coil is connected with an electrolytic capacitor and is led out, the other lead wire is divided into two ways, one way is led out by a DC power supply, and the other way is directly led out. The utility model only needs to input an instant working current about 0.5 second to make the relay move and maintain the movement state of the relay unchanged. The movement state of the relay can be changed only by inputting another instant working current about 0.5 second. The utility model has the effect of power saving with high performance. The instant working current comes from the charging and discharging current of the electrolytic capacitor. The circuit for inputting the working current is double-way circuit which is arranged in a device for on-off of a control circuit. The utility model is different from the similar technology.

Description

The electric capacity trigger relay

Technical field

The utility model relates to electromagnetic relay, is a kind of electric capacity trigger relay.

Background technology

The common electrical magnetic relay is a kind of electric device that is used for the control circuit break-make, and shown in the frame of broken lines among Fig. 1, it comprises compositions such as electromagnet, armature, contact, spring.The basic process of its work is that a lead-out wire of electromagnet coil is connected on the positive pole of DC power supply, another lead-out wire is connected on the negative pole of DC power supply, electric current is to flow to the negative pole of power supply from the positive pole of power supply through electromagnet coil, is single channel to the circuit of electromagnet coil input current.When the circuit of coil power supply is connected, electric current is through coil, and the electromagnet core generation magnetic attraction that is magnetized is immediately inhaled end face to it to close armature, makes the contact adhesive, and realization is to the control of circuit.The problem that exists is how long will make the contact adhesive, just must how long power to electromagnet coil, in case disconnect circuit to coil power supply, stop coil power supply, then the contact is transformed into the operate condition of release immediately from the operate condition of adhesive, to coil power supply, will lose control as no longer to circuit.

Summary of the invention

The purpose of this utility model provides a kind of electric capacity trigger relay, by moment charging and discharging currents from electrolytic capacitor, ferroelectric generation magnetic force of electromagnetism and permanent magnet magnetic force interact, thereby make this relay change another kind of operate condition into from a kind of operate condition, and keep its operate condition constant, realize control connecting and disconnecting of the circuit

In order to achieve the above object, the technical solution adopted in the utility model is as follows:

It is included in the interior common electrical magnetic relay that is made of two lead-in wires of electromagnet core, electromagnet coil, fixed contact, moving contact, armature, electromagnet coil of casing, the coaxial permanent magnet that is equipped with of electromagnet core in casing, an end face of permanent magnet and an end face of electromagnet core are parallel to each other and gapped, and another end face of permanent magnet is equipped with the adjusting device that can regulate gap length; A lead-in wire of electromagnet coil connects electrolytic capacitor and draws by drawing joint, and another lead-in wire is divided into two the tunnel, the one tunnel draws by drawing joint through DC power supply, and another route is drawn joint and directly drawn.

The utility model is compared with background technology, and the useful effect that has is: 1) only need the moment operating current (generally being little electric current) of input about 0.5 second, can make this actuating of relay and keep operate condition constant; If will change, only need import the moment operating current about 0.5 second again, have spy's electric-saving efficiency efficiently; 2) operating current is from the charge and discharge electric current of electrolytic capacitor this moment, so the circuit of input service electric current is two-way, and this makes this relay be installed in the device of control circuit break-make, and is also different with similar technology on mounting means.

Description of drawings

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is an another kind of circuit connection diagram of the present utility model.

Embodiment

As shown in Figure 1, it is included in casing 6 interior two lead-in wire 1.9,1.10 common electrical magnetic relaies 1 that constitute by electromagnet core 1.1, electromagnet coil 1.2, fixed contact 1.3,1.4, moving contact 1.5, armature 1.6, electromagnet coil 1.2, the electromagnet core 1.1 coaxial permanent magnets 5 that are equipped with in casing 6, the end face 4 of permanent magnet 5 and an end face of electromagnet core 1.1 are parallel to each other and gapped 3, and another end face of permanent magnet 5 is equipped with the adjusting device that can regulate gap length 3; One of electromagnet coil 1.2 draws 1.9 and connects electrolytic capacitor 9 and draw by drawing joint 10, and another lead-in wire 1.10 is divided into two the tunnel, the one tunnel draws by drawing joint 11 through DC power supply 8, and another route is drawn joint 12 and directly drawn.

The positive pole that one of said electromagnet coil 1.2 lead-in wire 1.9 connects electrolytic capacitor 9 is drawn from negative pole by drawing joint 10, another lead-in wire 1.10 is divided into two the tunnel, one the tunnel draws from negative pole by drawing joint 11 through the positive pole of DC power supply 8, and another route is drawn joint 12 and directly drawn.

As shown in Figure 2, the negative pole that one of said electromagnet coil 1.2 lead-in wire 1.9 connects electrolytic capacitor 9 is drawn from positive pole by drawing joint 10, another lead-in wire 1.10 is divided into two the tunnel, the one tunnel draws from positive pole by drawing joint 11 through the negative pole of DC power supply 8, and another route is drawn joint 12 and directly drawn.

Said adjusting inter space device is to be contained in a kind of screw pair adjusting device that the nut 2 associated bolts 7 on the casing 6 are formed.

1, the iron core 1.1 of permanent magnet 5 and electromagnet is placed on the same axis line, an end face 4 of permanent magnet 5 is close mutually with an end face of electromagnet core 6, parallel to each other and have a gap 3, the width in gap 3 can be with the screw pair adjusting device of being made up of nut 2 and bolt 7 that is installed in casing 6 rear portions along the axis direction adjustment; Permanent magnet can only move along axis direction, so after installing, permanent magnet has just immobilized near one magnetic polarity of electromagnet core.The shown magnetic force of its electromagnet core is about the same during the magnetic force of

permanent magnet

5 and 1 adhesive of common electrical magnetic relay action.

2, the circuit of electromagnet coil 1.2 input service electric currents is two-ways in this electric capacity trigger relay, and just electric capacity triggers the dual input circuit: the one tunnel is the charging current input circuit, and another road is the discharging current input circuit.Because the charge and discharge current opposite in direction that produced of same electrolytic capacitor 9, thus the charge and discharge electric current that triggers the dual input circuit from electric capacity as operating current, successively be input to electromagnet coil 1.2, their sense of current also is opposite.Fig. 1 is a lead-out wire 1.9 this relay electromagnet coil 1.2, be connected on the positive pole of electrolytic capacitor 9, then negative pole is neutral joint 10, the positive pole of DC power supply should be connected with another lead-out wire 1.10 of electromagnet coil 1.2, the negative pole of DC power supply is a charging connector 11, and positive pole is a discharge connector 12.Electric capacity triggers the another kind of connection of dual input circuit, as shown in Figure 2, a lead-out wire 1.9 of electromagnet coil in this relay 1.2 is connected on the negative pole of electrolytic capacitor 9, then the positive pole of electrolytic capacitor 9 is neutral joints 10, the negative pole of DC power supply 8 should be connected with another lead-out wire 1.10 of electromagnet coil 1.2, the positive pole of DC power supply is a charging connector 11, and negative pole is a discharge connector 12.Neutral joint 10 and charging connector 11 can be formed and often open the charging contact, also can be installed in them and can be as required touch on the device that separates again after closing in moment; Neutral joint 10 and discharge connector 12 can be formed normal open electric contact, also can be installed in them and can be as required touch on the device that separates again after closing in moment.Said apparatus in fact also is a kind of switching device.When the closing of contact or neutral joint and another joint (charging connector or discharge connector) touch and close, just claim to have connected the circuit on this road, momentary charge electric current or discharging current are just arranged as operating current input electromagnet coil 1.2.This dual input circuit is not connected simultaneously.

Course of action to this electric capacity trigger relay describes below:

Fig. 1 is that this electric capacity triggers the relay construction schematic diagram.Initial condition charging contact and discharge contact are all opened, and perhaps neutral joint and two other joint do not touch and close.Moving contact 1.5 and fixed contact 1.4 closures on the relay separate with another fixed contact 1.3.

1, under initial condition, the magnetic force of permanent magnet 5 passes the suction note of 1.1 pairs of armature 1.6 of electromagnet core and makes Fe.Regulate gap 3 width with regulating inter space device, make Fe can not inhale moving armature 1.6, but when the people shifts to iron core end face 1.7 slightly for making armature, just inhaled to the end face 1.7 and the jail of iron core by permanent magnet magnetic force Fe and inhale on end face 1.7, and can not be by the elastic force f of spring 1.8 original place of rebounding, so Fe＞f is arranged this moment.

2, get back to initial condition, when connecting the charging current input circuit, DC power supply 8 is through 9 chargings of 1.2 pairs of electrolytic capacitors of electromagnet coil, the charging current of this moment is imported electromagnet coil 1.2 as operating current, electromagnet core 1.1 is magnetized immediately, if the end face near the permanent magnet iron core is magnetized to the S utmost point, said above that the magnetic polarity at the end surface 4 that the close electromagnet core of settled back permanent magnet is installed was changeless, be made as the N utmost point, the magnetic pole of this moment permanent magnet and electromagnet core two ends women's head-ornaments adjacent to each other is opposite poles each other, synergistic effect appears in two magnetic force, and the note of the magnetic force after the stack is made F ₊, obvious F ₊＞Fe.If armature 1.6 is at F ₊Effect under, can be attracted to electromagnet core end face 1.7 and inhaled on end face 1.7 by the jail, then moving contact 1.5 touches with fixed contact 1.3 and closes, and separate with another fixed contact 1.4, at this moment, this relay has just been finished a kind of operate condition, remembers and makes W ⁺Otherwise, should continue debugging: as by suitably increasing the output of DC power supply, or suitably increase the capacity of electrolytic capacitor 9, or suitably shorten the ways such as width in gap 3, up to execution state W ⁺

The size of the capacity Q of electrolytic capacitor 9 and the structure of this relay and the input electromagnet coil 1.2 current related.For example, selecting model for use is that cylindrical permanent magnet is the member of this electric capacity trigger relay in 4088 small-sized common electrical magnetic relay and the small electrical dynamic formula Yang Sheng device, and then the capacity Q of electrolytic capacitor can select from Q 〉=100 μ F.Also can be by experiment, way such as debugging selects the size of Q.

3, connect the discharging current input circuit, at this moment filled electric electrolytic capacitor 9, discharge, import the electric current that sparks to electromagnet coil 1.2 through electromagnet coil 1.2.Because of the direction of discharging current opposite with the direction of charging current, therefore electromagnet core 1.1 and permanent magnet 5 mutually close end faces are magnetized to the N utmost point, this belongs to like poles with the end face 4 of mutually close permanent magnet, and their magnetic force is cancelled out each other or part is cancelled, and the magnetic force of this moment is remembered made F _-As f＞F _-The time, armature under the effect of elastic force f, the original place of rebounding, moving contact 1.5 separates with fixed contact 1.3, touches with fixed contact 1.4 and closes, this has got back to initial condition again, has finished another operate condition W ^-, just operate condition W ⁺Be transformed into operate condition W ^-

As seen, above-mentioned every magnetic force Fe, F _-, F ₊With spring force f, there is a kind of relation that does not wait: F between them ₊＞Fe＞f＞F _-If can not satisfy this inequality, then this electric capacity trigger relay just can not run well.

Claims

1. electric capacity trigger relay, it is included in the casing (6) by electromagnet core (1.1), electromagnet coil (1.2), fixed contact (1.3,1.4), moving contact (1.5), armature (1.6), two lead-in wires (1.9 of electromagnet coil (1.2), 1.10) the common electrical magnetic relay (1) that constitutes, it is characterized in that: the coaxial permanent magnet (5) that is equipped with of the electromagnet core (1.1) in casing (6), an end face (3) parallel to each other and gapped of an end face (4) of permanent magnet (5) and electromagnet core (1.1), another end face of permanent magnet (5) is equipped with the adjusting device that can regulate gap length (3); A lead-in wire (1.9) of electromagnet coil (1.2) connects electrolytic capacitor (9) and draws by drawing joint (10), another lead-in wire (1.10) is divided into two the tunnel, one the tunnel is drawn by lead-out wire (11) through DC power supply (8), and another route is drawn joint (12) and directly drawn.

2. electric capacity trigger relay according to claim 1, it is characterized in that: a lead-in wire (1.9) of said electromagnet coil (1.2) connects the positive pole of electrolytic capacitor (9) and draws from negative pole by drawing joint (10), another lead-in wire (1.10) is divided into two the tunnel, one the tunnel draws from negative pole by drawing joint (11) through the positive pole of DC power supply (8), and another route is drawn joint (12) and directly drawn.

3. electric capacity trigger relay according to claim 1, it is characterized in that: a lead-in wire (1.9) of said electromagnet coil (1.2) connects the negative pole of electrolytic capacitor (9) and draws from positive pole by drawing joint (10), another lead-in wire (1.10) is divided into two the tunnel, one the tunnel draws from positive pole by drawing joint (11) through the negative pole of DC power supply (8), and another route is drawn joint (12) and directly drawn.