CN201422013Y - External-pulling type explosion-proof and flame-proof safety surge absorption module - Google Patents

Abstract

An external-pull explosion-proof and flame-proof safety surge absorption module comprises a surge absorption unit, a protection component, an action component and a hot melting component, wherein the surge absorption unit is provided with a body, the body is respectively provided with an electrode surface at the opposite sides of the body, a partially exposed electrode surface is further defined at the approximate middle of one electrode surface, the electrode surface is connected with a first pin, meanwhile, the protection component comprises a base and an upper cover connected on the base, the body is arranged between the base and the upper cover, the action component comprises a return element and an action component, the return element has elasticity, one end is fixedly arranged on the base, the other end is connected with the action component, meanwhile, the action component is pivoted on the base, the action component has a first state and a second state, and the action component is connected with a second pin, the first and second pins can be connected to the power supply and can be automatically disconnected when the temperature is too high, so as to prevent the body from being affected by high temperature.

Description

Pull-out explosion-proof and flame-proof safe surge absorber module

technical field

The utility model relates to an external pull type explosion-proof and flame-proof safe surge absorbing module.

Background technique

According to, in order to avoid the impact of the sudden surge (pulse voltage or pulse current) in life on the electrical equipment, most of them will add a surge absorber to the circuit of the electrical appliance to protect the circuit. In the known circuit, A thermal fuse is also added to the circuit so that the surge absorber is affected by the surge and when its temperature is too high, the circuit can be disconnected to protect the equipment or the surge absorber. Effect.

However, although the above-mentioned thermal fuse can disconnect the circuit of the surge absorber, it cannot be disconnected and tripped in a short time, so that the surge absorber may explode or catch fire, thereby causing damage to the equipment or a fire Unexpectedly, it is known that the surge absorber needs to be improved.

In addition, in the U.S. Patent No. 6430019 patent, the disclosed structure is mainly connected by the metal shrapnel and the voltage sensitive component (the same as the body of the utility model), and when the temperature of the voltage sensitive component exceeds a predetermined value, The metal shrapnel jumps off immediately, but it cannot effectively isolate the electrical connection generated by the arc, and cannot achieve a precise circuit breaking effect. At the same time, it is also disclosed in the US Patent No. 6430019 patent. The structure disclosed is mainly in A baffle plate is added between the metal shrapnel and the voltage sensitive component to solve the aforementioned problems. Although the structure can solve the aforementioned problems by the baffle plate, it also increases the overall manufacturing cost at the same time, and its volume is also relatively large, so It is bound to still need to be improved.

Utility model content

The purpose of the utility model is to provide an external pull type explosion-proof and flame-proof safety surge absorbing module to overcome the defects in the known technology.

In order to achieve the above purpose, the utility model provides an external pull-type explosion-proof and flame-proof safe surge absorbing module, which includes a surge absorbing unit, a protection component, an actuating component and a hot-melt component, and the surge absorbing unit has A body, and the body respectively defines an electrode surface on its opposite sides, wherein a partially exposed electrode surface is defined in the approximate middle of one of the electrode surfaces, and a first pin is connected to the electrode surface, and the protection component includes There is a base and a set of upper cover connected to one side of the base, and the main body is arranged between the base and the upper cover, and the first pin passes through the base, and the actuating component It includes a restoring element and an actuating element, the restoring element has elasticity, and one end is fixed on the base, and the other end is connected with the actuating element, meanwhile, the actuating element is pivotally arranged on the base, and The actuator has a first state and a second state, and when in the first state, the actuator is located on the partially exposed electrode surface, and one end is electrically connected to the partially exposed electrode surface, and the actuator A hot-melt component is fixed between the moving part and the partially exposed electrode surface. In addition, when it is in the second state, the moving part is pulled by the restoring element and disconnected from the partially exposed electrode surface, and the hot-melt component It is melted and detached and fixed between the actuator and the partially exposed electrode surface, and the actuator is also connected to a second pin, and the second pin passes through the base and exits.

Thus, the safety surge absorbing module can be connected to the power supply, and when the temperature is too high, the circuit will be cut off quickly, so as to avoid the high temperature from affecting the body, and when the body is damaged and exploded, it can be covered by the protective component as a whole , in order to prevent further fire accidents or damage caused by splashing of explosive fragments.

Description of drawings

Fig. 1 is a combined perspective view of the surge absorbing module of the present invention.

Fig. 2 is an exploded perspective view of the surge absorbing module of the present invention.

Fig. 3 is a combined cross-sectional view of the surge absorbing module of the present invention when the hot melt assembly is in the first state.

Fig. 4 is a combined perspective view of the surge absorbing module of the present invention in the second state of the hot melt assembly.

Fig. 5 is a combined sectional view of the surge absorbing module of the present invention when the hot melt assembly is in the second state.

Fig. 6 is a schematic diagram of the use of the surge absorbing module of the utility model connected in series with the circuit.

Fig. 7 is a schematic diagram of using the surge absorbing module of the utility model connected in parallel with the circuit.

Detailed ways

First of all, please refer to Figures 1 to 3, which are the combined perspective view and exploded perspective view of the surge absorbing module of the present utility model, and the combined sectional view of the surge absorbing module of the present utility model when the hot melt assembly is in the first state. The surge absorbing module 100 includes:

A surge absorbing unit 10 has a body 11, and the body 11 defines an electrode surface 111 on its opposite side, and the electrode surface 111 is correspondingly provided with a first pin 12, and at the same time, the body 11 part Coated with an epoxy resin 13 (Epoxy), and the electrode surface 111 on one side of the main body 11 also defines a partially exposed electrode surface 112 at the place not covered by the epoxy resin 13. At the same time, the epoxy resin 13 It also covers one end of the first pin 12 at the same time.

A protective component 20 includes a base 21 and a set of upper cover 22 connected above the base 21, and the base 21 is extended to the upper cover 22 side with two opposite first partitions 211 and the second Two partitions 212, a limiting space 213 is formed between the first and second partitions 211, 212, the body 11 is arranged in the limiting space 213, and the first pin 12 passes through the base 21 At the same time, a groove 214 is recessed above the first partition 211. Further, the first partition 211 extends laterally toward the upper cover 22 beside the groove 214 to form a first stop The shaft 215 , a second limiting shaft 216 and a third limiting shaft 217 . In addition, the upper cover 22 covers the base 21 and covers the surge absorbing unit 10 as a whole.

An actuating component 30, please refer to Fig. 4 and Fig. 5 at the same time, which are respectively a combined perspective view and a combined sectional view of the surge absorbing module of the present invention in the second state of the hot melt component. The actuating component 30 includes a restoring element 31 , an actuator 32, a second pin 33 and a hot melt component 34, the return element 31 has elasticity, and in a preferred embodiment of the present utility model, the return element 31 is a spring, and one end of the return element 31 It is fixedly connected to the first limiting shaft 215, and the other end is fixedly connected to the actuator 32. At the same time, the actuator 32 includes a link piece 321, a conductive piece 322 and a wire 323. The moving piece 321 is generally L-shaped, and it is further composed of a first connecting section 3211, a turning section 3212, a flange 3213 and a second connecting section 3214. One end of the first connecting section 3211 is connected to the return The element 31 is fixedly connected, and the other end is connected to the turning section 3212, and the first connecting section 3211 and the turning section 3212 also extend toward the side of the base 21 to form the flange 3213, and the flange 3213 It passes through the base 21. In addition, the turning section 3212 is pivoted on the second limiting shaft 216, and is further connected to the second connecting section 3214, and the second connecting section 3214 is opposite to the main body. The other side of 11 is provided with the conductive element 322, and the conductive element 322 further forms a conductive column 3221 toward the side of the body 11, and the actuating element 32 has a first state and a second state, and when positioned In the first state, the conductive column 3221 of the actuator 32 passes through the groove 214 and is electrically connected to the partially exposed electrode surface 112, and a thermal fuse is fixed between the conductive column 3221 and the partially exposed electrode surface 112. Component 34, and the hot-melt component 34 has a predetermined melting point, and in the preferred embodiment of the present utility model, the hot-melt component 34 is solder. In addition, when it is in the second state, the temperature of the body 11 exceeds the temperature of the hot-melt component 34 melting point, and the hot melt component 34 will melt accordingly, and the first connecting section 3211 of the link piece 321 will be pulled by the restoring element 31, and take the turning section 3212 as a fulcrum to synchronously drive the second The connecting section 3214 swings in parallel and laterally, and at the same time, the second connecting section 3214 also drives the conductive post 3221 to move away from the partially exposed electrode surface 112, so that the conductive post 3221 can be located on one side of the epoxy resin 13, and the conductive post 3221 The column 3221 is disconnected from the partially exposed electrode surface 112, and at the same time, the conductive member 322 is connected to the wire 323 at a predetermined position, and the wire 323 is further connected to the second pin 33, and one end of the second pin 33 It is limited on the third limiting shaft 217 , and the other end passes through the bottom of the base 21 .

Please refer to FIG. 6 at the same time, which is a schematic diagram of the use of the surge absorbing module of the present invention in series with the circuit. The safety surge absorbing module 100 is connected in series to a power supply 200 by the above-mentioned first pin 12 and second pin 33. and a load circuit 300, and when a large surge is generated at the power supply 200, the surge will first pass through the body 11 and be converted into heat energy, and the thermal fusion component 34 will be affected by the body 11 The generated thermal energy is affected, and the first state is quickly converted to the second state. At the same time, the restoring element 31 will move the link piece 321 to a predetermined position, and jointly drive the conductive column 3221 away from the partially exposed electrode surface 112 , so that the power supply 200 and the load circuit 300 are in an open circuit state, so as to achieve the effect of protecting the load circuit 300 .

Please also refer to FIG. 7, which is a schematic diagram of the parallel connection of the surge absorbing module and the circuit of the present invention. The safe surge absorbing module 100 is connected in parallel between the power supply 200 and the load circuit 300, and when the When a surge is generated at the power supply 200, the surge will pass through the main body 11 and be converted into heat energy, so as to reduce the impact of the surge on the load circuit. When the melting point is exceeded, the hot-melt component 34 will quickly switch from the first state to the second state, and at the same time, the restoring element 31 will pull the link piece 321 to a predetermined position, and drive the conductive post 3221 away from the The electrode surface 112 is partially exposed.

Claims (8)

1, a kind of safe surging of external pulling type firing and explosion prevention absorbs module, it is characterized in that, consists predominantly of:

One surging absorptive unit has at least one body, and this body defines an electrode surface to being less than the one side, this electrode surface roughly in the middle of the place define a local exposed electrode face again, and this electrode surface is equipped with one first pin;

One protection assembly includes the loam cake that a pedestal and is connected to this pedestal one side, and be provided with this body between this pedestal and this loam cake, and this first pin wears by this pedestal; And,

One start assembly, comprise one and reply an element and an actuator, this answer element one end is fixedly arranged on this pedestal, end is connected with this actuator in addition, simultaneously, this actuator is hubbed on this pedestal, and this actuator has one first state and one second state, and when being positioned at first state, this actuator is positioned on this part exposed electrode face, and an end and this part exposed electrode face electric connection, and be installed with a hot melt assembly between this actuator and this part exposed electrode face, in addition, when being positioned at second state, this actuator is drawn by this answer element then to move and opens circuit with this part exposed electrode face, this hot melt assembly then melts and breaks away from and is fixed between this actuator and this part exposed electrode face, again, this actuator is connected with one second pin, and this second pin wears by this pedestal.

2, the safe surging according to the described external pulling type firing and explosion prevention of claim 1 absorbs module, it is characterized in that, this body exterior part is coated with an epoxy resin, and the electrode surface of this body one side is in not located to define this part exposed electrode face by what this epoxy resin coated, simultaneously, this epoxy resin also envelopes the part of this pin simultaneously.

3, safe surging according to the described external pulling type firing and explosion prevention of claim 1 absorbs module, it is characterized in that, this pedestal is provided with two relative first dividing plate and second partitions to this loam cake one side extension, and this first, form a spacing space between second partition, be provided with this body in this spacing space, simultaneously, this first dividing plate top is arranged with and forms a groove, and this answer element one end is fixed on first dividing plate, in addition end then with this actuator Joint, again, this actuator is hubbed on this first dividing plate, and passes this groove and can electrically connect with this part exposed electrode face.

4, the safe surging according to the described external pulling type firing and explosion prevention of claim 3 absorbs module, it is characterized in that, this actuator includes a double-action plate, an electric-conductor and a lead, this answer element one end is fixed on this first dividing plate, and end then is fixed on this double-action plate, simultaneously in addition, this electric-conductor is located at this double-action plate one side, and can electrically connect with this part exposed electrode face simultaneously, again, this lead is connected between this electric-conductor and this second pin.

5, the safe surging according to the described external pulling type firing and explosion prevention of claim 4 absorbs module, it is characterized in that this electric-conductor further forms a conductive pole towards this part exposed electrode face one side, and this conductive pole one end and this electrode surface electrically connect.

6, the safe surging according to the described external pulling type firing and explosion prevention of claim 4 absorbs module, it is characterized in that, this double-action plate is a L type substantially, and it further is made of one first linkage section, a turn section and one second linkage section, and this first linkage section, one end is connected with this answer element, and end then connects with this turn section and establishes in addition, and this turn section is hubbed on this first dividing plate, simultaneously, this turn section further connects with this second linkage section, and this second linkage section and this electric-conductor are connected with group.

7, the safe surging according to the described external pulling type firing and explosion prevention of claim 1 absorbs module, it is characterized in that this hot melt assembly is a scolding tin.

8, the safe surging according to the described external pulling type firing and explosion prevention of claim 1 absorbs module, it is characterized in that this answer element is a spring.

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