High-power relay
阅读说明:本技术 一种大功率继电器 (High-power relay ) 是由 杜欣洋 于 2020-06-17 设计创作,主要内容包括:本发明设计继电器技术领域,具体涉及一种大功率继电器,其结构包括绝缘基座和安装于绝缘基座的磁路组件、常开端子组件、常闭端子组件及簧片端子组件,簧片端子组件位于常开端子组件与常闭端子组件之间;还包括衔铁、推动卡和挂钩,衔铁可转动地设于绝缘基座或磁路组件,推动卡的两端用于分别抵触衔铁及簧片端子组件,磁路组件用于驱动衔铁转动,转动的衔铁经由推动卡驱动簧片端子组件移动,簧片端子组件用于导通常开端子组件或常闭端子组件;挂钩用于对转动后的衔铁施加复位力,常开端子组件、常闭端子组件和簧片端子组件这三者分别包括两个以上的端子片,且三者的端子片一一对应。(The invention relates to the technical field of relays, in particular to a high-power relay, which structurally comprises an insulating base, a magnetic circuit assembly, a normally open terminal assembly, a normally closed terminal assembly and a reed terminal assembly, wherein the magnetic circuit assembly, the normally open terminal assembly, the normally closed terminal assembly and the reed terminal assembly are arranged on the insulating base; the armature is rotatably arranged on the insulating base or the magnetic circuit component, two ends of the push card are used for respectively abutting against the armature and the reed terminal component, the magnetic circuit component is used for driving the armature to rotate, the rotated armature drives the reed terminal component to move through the push card, and the reed terminal component is used for conducting the normally open terminal component or the normally closed terminal component; the hook is used for applying reset force to the rotated armature, the normally open terminal assembly, the normally closed terminal assembly and the reed terminal assembly respectively comprise more than two terminal pieces, and the terminal pieces of the normally open terminal assembly, the normally closed terminal assembly and the reed terminal assembly are in one-to-one correspondence.)
1. A high-power relay is characterized in that:
the reed terminal assembly is positioned between the normally open terminal assembly and the normally closed terminal assembly;
the magnetic circuit assembly comprises an armature and a hook, the hook elastically limits the armature, the armature can rotate in the magnetic circuit assembly, a push card is connected between the armature and a reed terminal assembly, the magnetic circuit assembly is used for driving the armature to rotate, the rotated armature drives the reed terminal assembly to move through the push card so as to switch on a normally open terminal assembly and switch off the normally closed terminal assembly, the normally open terminal assembly, the normally closed terminal assembly and the reed terminal assembly all comprise more than two terminal pieces, and the terminal pieces of the normally open terminal assembly, the normally closed terminal assembly and the reed terminal assembly correspond to one another one by.
2. A high power relay according to claim 1, wherein: magnetic circuit component includes iron core and coil, and the iron core is the U-shaped, and in the first stile of iron core inserted the coil, the second stile of iron core extended to the coil outside and bend towards side and form magnetism portion of inhaling, and magnetism portion of inhaling is equipped with the transition inclined plane of indent with linking part between the second stile.
3. A high power relay according to claim 2, wherein: the insulating base is provided with a clamping groove and an accommodating groove, the bottom of the accommodating groove is abutted against the iron core, a first wedge-shaped bulge is arranged on the outer side of the iron core and clamped in the clamping groove, and therefore the iron core is clamped by the insulating base and the clamping groove together through the accommodating groove; the inboard of iron core is equipped with the boss, and the boss supports the tip of coil, and the inboard of iron core is equipped with the wedge of second arch, and the coil is equipped with the spacing groove, the protruding joint of second wedge in spacing groove to make the iron core pass through the protruding and the common chucking coil of boss of second wedge.
4. A high power relay according to claim 1, wherein: the couple includes base member and shell fragment, and the base member is the range upon range of form of buckling and imbeds the chucking in magnetic circuit assembly, and shell fragment one end is fixed in the base member, and the other end downward sloping outwards extends and hangs, and armature is equipped with the wedge groove, and the shell fragment card is in the wedge groove to carry on spacingly to armature.
5. A high power relay according to claim 1, wherein: the insulation base is buckled with a shell, the shell encloses the magnetic circuit assembly, the normally open terminal assembly, the normally closed terminal assembly, the reed terminal assembly and the pushing clamp, the inner side of the shell is provided with a separation plate, a separation groove is formed in the insulation base, and the separation plate is inserted into the separation groove, so that more than two terminal pieces of the normally open terminal assembly, the normally closed terminal assembly and the reed terminal assembly are separated.
6. A high power relay according to claim 5, wherein: the shell is provided with a hollow convex body, and the convex body can form a standby air hole communicated with the inside of the shell under the action of external cutting operation.
7. A high power relay according to claim 5, wherein: the shell is opened there is ventilative structure, and ventilative structure includes injection moulding's first hem and second hem, leaves the ventilative gap that the width is not more than 0.2mm between first hem and the second hem, and first hem and second hem arrange at high stagger.
8. A high power relay according to claim 1, wherein: the insulation base is provided with a plurality of mounting grooves, the groove walls of the mounting grooves are provided with limiting bulges, and the lower end parts of the normally open terminal component, the normally closed terminal component and the reed terminal component are propped against the limiting bulges in the corresponding mounting grooves, so that the normally open terminal component, the normally closed terminal component and the reed terminal component are respectively inserted into different mounting grooves in an interference fit manner.
9. A high power relay according to claim 1, wherein: the side part of the reed terminal component is provided with an engagement hole for the pushing card to pass through, and the hole wall of the engagement hole extends towards the normally-open terminal component to form a flanging.
10. A high power relay according to claim 1 or 9, wherein: one end of the push card is provided with a hook part, the armature is provided with a limit groove, and the hook part is elastically embedded into the limit groove.
Technical Field
The invention relates to the technical field of relays, in particular to a high-power relay.
Background
The relay is an automatic switch element with an isolation function, is used as an 'automatic switch' in a circuit, is one of essential basic elements in many electronic devices, is widely applied to the fields of communication, automobiles, automatic control, household appliances and the like, and is one of the most important control elements. The existing electromagnetic relay is generally a single-pole contact and cannot meet the requirement of high power. Moreover, the magnetic circuit component core and the yoke of the existing relay are unstable in structure and high in assembly difficulty.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a high-power relay which can meet the high-power requirement and has a compact structure.
In order to achieve the purpose, the invention provides the following technical scheme.
The high-power relay comprises an insulating base, a magnetic circuit assembly and an output terminal assembly, wherein the magnetic circuit assembly and the output terminal assembly are arranged on the insulating base in a mutually separated mode;
the magnetic circuit assembly comprises an armature and a hook, the hook elastically limits the armature, the armature can rotate in the magnetic circuit assembly, a push card is connected between the armature and a reed terminal assembly, the magnetic circuit assembly is used for driving the armature to rotate, the rotated armature drives the reed terminal assembly to move through the push card so as to switch on a normally open terminal assembly and switch off the normally closed terminal assembly, the normally open terminal assembly, the normally closed terminal assembly and the reed terminal assembly all comprise more than two terminal pieces, and the terminal pieces of the normally open terminal assembly, the normally closed terminal assembly and the reed terminal assembly correspond to one another one by.
Preferably, magnetic circuit component includes iron core and coil, and the iron core is the U-shaped, and in the first stile of iron core inserted the coil, the second stile of iron core extended to the coil outside and towards the side bend form magnetism portion of inhaling, and magnetism portion of inhaling is equipped with the transition inclined plane of indent with linking part between the second stile.
Preferably, the insulating base is provided with a clamping groove and an accommodating groove, the bottom of the accommodating groove is abutted against the iron core, a first wedge-shaped bulge is arranged on the outer side of the iron core and clamped in the clamping groove, and therefore the iron core is clamped by the insulating base and the clamping groove together through the accommodating groove; the inboard of iron core is equipped with the boss, and the boss supports the tip of coil, and the inboard of iron core is equipped with the wedge of second arch, and the coil is equipped with the spacing groove, the protruding joint of second wedge in spacing groove to make the iron core pass through the protruding and the common chucking coil of boss of second wedge.
Preferably, the couple includes base member and shell fragment, and the base member is the range upon range of form of buckling and imbeds the chucking in magnetic circuit assembly, and shell fragment one end is fixed in the base member, and the other end downward sloping outwards extends and hangs, and armature is equipped with the wedge groove, and the shell fragment card is in the wedge groove to carry on spacingly to armature.
Preferably, a housing is buckled on the insulating base, the magnetic circuit assembly, the normally open terminal assembly, the normally closed terminal assembly, the reed terminal assembly and the push card are enclosed by the housing, an isolation plate is arranged on the inner side of the housing, a separation groove is formed in the insulating base, and the isolation plate is inserted into the separation groove, so that more than two terminal pieces of the normally open terminal assembly, the normally closed terminal assembly and the reed terminal assembly are separated.
Preferably, the housing is provided with a hollow protrusion, and the protrusion can form a spare air hole communicated with the inside of the housing by external cutting operation.
Preferably, the shell is provided with a ventilation structure, the ventilation structure comprises a first folding edge and a second folding edge which are formed in an injection molding mode, a ventilation gap with the width not larger than 0.2mm is reserved between the first folding edge and the second folding edge, and the first folding edge and the second folding edge are arranged in a staggered mode.
Preferably, the insulation base is provided with a plurality of mounting grooves, the groove walls of the mounting grooves are provided with limiting bulges, and the lower end parts of the normally open terminal component, the normally closed terminal component and the reed terminal component are abutted against the limiting bulges in the corresponding mounting grooves, so that the normally open terminal component, the normally closed terminal component and the reed terminal component are respectively inserted into different mounting grooves in an interference fit manner.
Preferably, the side portion of the reed terminal assembly is formed with an engagement hole through which the card is pushed, and a hole wall of the engagement hole is extended with a burring toward the normally-open terminal assembly.
Preferably, one end of the push card is provided with a hook part, the armature is provided with a limit groove, and the hook part is elastically embedded into the limit groove.
The invention has the beneficial effects that:
compared with the prior art, the high-power relay has the advantages that the normally open terminal assembly, the normally closed terminal assembly and the reed terminal assembly respectively comprise more than two terminal pieces, so that contacts are increased, and the use requirement of high power is met. In addition, the insulating base clamps the U-shaped iron core together through the accommodating groove and the clamping groove, and the iron core clamps the coil together through the second wedge-shaped protrusion and the boss, so that the installation structure of the iron core is compact and stable.
Drawings
Fig. 1 is a schematic structural diagram of a relay in the embodiment.
Fig. 2 is a schematic structural diagram of the relay in the embodiment after the housing is hidden.
Fig. 3 is an exploded view of the relay in an embodiment, with the housing hidden.
Fig. 4 is a cross-sectional view of the relay in the embodiment, with the housing hidden.
Fig. 5 is a schematic structural diagram of an iron core of the relay in the embodiment.
Fig. 6 is a sectional view of a housing of the relay in the embodiment.
Fig. 7 is an enlarged view at a in fig. 6.
Fig. 8 is a schematic structural diagram of an armature of the relay in the embodiment.
Fig. 9 is a schematic structural view of a hook of the relay in the embodiment.
Fig. 10 is another structural diagram of the push card in the embodiment.
The reference numerals include:
the air-permeable structure comprises a shell 1, a
the
the
a normally
the
push the
hook 9, base 91, shell fragment 92.
Detailed Description
The invention is described in detail below with reference to specific embodiments.
The relay of the present embodiment, as shown in fig. 1 to 9, includes an
In this embodiment, the normally-
In this embodiment, the
In this embodiment, the hook 9 includes a base 91 and an elastic sheet 92, the base 91 is bent and stacked and embedded in the
In this embodiment, the
In this embodiment, the
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
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