CN210468795U - Plug-pull module for surge protector and surge protector - Google Patents
Plug-pull module for surge protector and surge protector Download PDFInfo
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- CN210468795U CN210468795U CN201921419522.XU CN201921419522U CN210468795U CN 210468795 U CN210468795 U CN 210468795U CN 201921419522 U CN201921419522 U CN 201921419522U CN 210468795 U CN210468795 U CN 210468795U
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Abstract
The utility model belongs to the technical field of a surge suppression device for circuit protection, in order to solve current surge protector because big through-flow state causes the technical problem that surge protection module probably is popped out by the mistake, the utility model provides a plug module and surge protector for surge protector, the plug module includes: the shell is used for accommodating the voltage sensitive element and corresponds to the circuit element, the side wall of the shell is provided with an anti-falling part, and the anti-falling part is matched with the limiting part in the base; if the plug module is installed in a base of the surge protector and when a force application member in the base applies a force to the plug module in a direction opposite to the installation direction of the plug module; spacing portion and anticreep portion contact to pop out from the base through spacing portion restriction plug module. Through increase cooperation structure between plug module and base for surge protector to prevent that surge protection module from being popped out by the mistake.
Description
Technical Field
The utility model relates to a technical field for surge suppression device of circuit protection especially relates to a plug module and surge protector for surge protector.
Background
Surge Protection Devices (SPD) are indispensable devices for protecting electronic devices from lightning, and have been called "arresters" or "overvoltage protectors" in the past; the surge protector has the function that when spike current or voltage is suddenly generated in an electric loop or a communication line due to external interference, the surge protector can conduct and shunt in a very short time, so that damage of surge to other equipment in the loop is avoided.
For example, chinese patent application No. CN201010019307.8 discloses a surge suppressor with thermal protection function, which comprises a housing cover and a base with a mounting plate, wherein the base is provided with a surge suppressing element and a thermal protection device, the thermal protection device comprises a metal projection electrically connected to a b-electrode of the surge suppressing element, a compression spring, and a slider with an arc extinguishing member movable on a guide rail groove of the mounting plate; when the surge suppression element works normally, the conductive metal component and the metal protruding part are electrically connected through the low-temperature welding spot, when the surge suppression element fails, the low-temperature welding spot is melted when power frequency accident current flows, the conductive metal component is disconnected from the metal protruding part, the spring pushes the arc extinguishing component on the sliding block to move, the disconnected gap is separated, an air flow is generated, the electric arc between the conductive metal component and the metal protruding part disconnection gap is blown off, and safer, timely and reliable circuit protection is provided.
For another example, the chinese patent application No. CN201620143059.0 discloses a surge protector, which includes a PCB board base, and a lightning protection module, where the lightning protection module includes a housing, a temperature probe, and a pressure sensitive chip; the lightning protection module is inserted on the PCB base; the temperature probe is arranged in the shell of the lightning protection module and is close to the pressure-sensitive chip.
However, the inventor finds that, in the process of implementing the present invention, although the protection circuit inside the surge protector is optimized in the prior art, the safety performance of the surge protector is improved; however, when the working circuit of the surge protector is in a large-current state, the surge protection module may be popped up by the current surge effect, and actually, the surge protection module itself may still be effective; however, due to the fact that the surge protection module is popped up, the remote signaling signal is indicated to be invalid, and the signal transmitted by the surge protector is inconsistent with the actual situation of the surge protection module.
SUMMERY OF THE UTILITY MODEL
In order to solve current surge protector because big through-flow state causes surge protection module probably by the technical problem that the mistake popped out, the utility model provides a plug module and surge protector for surge protector through increase cooperation structure between plug module and base for surge protector to prevent that surge protection module from being popped out by the mistake.
In order to achieve the above object, the present invention provides a technical solution comprising:
an aspect of the utility model provides a plug module for surge protector, this plug module can insert to surge protector's base in, a serial communication port, the plug module includes:
the voltage sensitive element and a pin electrically connected with the voltage sensitive element can be inserted into the pin mounting part of the base;
the shell is used for accommodating the circuit element corresponding to the voltage sensitive element, the side wall of the shell is provided with an anti-falling part, and the anti-falling part is matched with the limiting part in the base; if the pluggable module is installed in a base of the surge protector and when a force applying part in the base applies a force to the pluggable module in a direction opposite to the installation direction of the pluggable module; the limiting part is in contact with the anti-falling part and limits the plug-pull module to pop out of the base through the limiting part.
In a preferred embodiment of the present invention, the anti-slip portion is provided as a protrusion extending from the side wall of the housing, and the stopper is provided as a groove located in the side wall of the mounting groove of the base; and when the plug-in module is mounted to the base of the surge protector, the projection from which the housing side wall extends is inserted into the groove of the mounting groove side wall of the base, and the upper inside surface of the groove of the mounting groove side wall of the base abuts against the upper surface of the projection.
In a further preferred embodiment of the present invention, the number of the anti-separation portions is two, and the two anti-separation portions are respectively located on two side walls of the plug-in module in the width direction; the quantity of spacing portion also is two, is located respectively on the both sides wall in the mounting groove lateral wall of base, and when plug module installation extremely in surge protector's the base, plug module width direction's both sides wall respectively with the both sides wall in the mounting groove lateral wall of base is relative.
The utility model discloses in the preferred embodiment, plug module still includes: the hand-grasping part is also arranged on the side wall where the anti-falling part is arranged; along the installation direction of plug module, the portion of grabbing is located the rear of anticreep portion, and the portion of grabbing is located the outside of the mounting groove lateral wall of base.
In a further preferred embodiment of the present invention, the grasping portion includes a plurality of corrugated protrusions provided on a side wall of the housing.
In a preferred embodiment of the present invention, the housing is detachably connected to the frame of the voltage sensor, and the sidewall of the housing is further provided with a groove, the groove on the sidewall is fitted with the protrusion of the frame sidewall of the voltage sensor.
In a further preferred embodiment, the groove is located in front of the separation preventing portion along the installation direction of the plug module.
In a preferred embodiment, the side wall of the housing is further provided with an installation chute, through which the installation chute is guided to a predetermined position in the base along a protruding sliding on the side wall of the installation groove of the base.
The utility model discloses another aspect still provides a surge protector, a serial communication port, include:
the surge protector plug module as described in any one of the above, and
the base is used for installing the plug module and is provided with a limiting part matched with the anti-falling part in the plug module.
In a preferred embodiment of the present invention, the surge protector further includes: and the remote signaling terminal is positioned on the outer side wall of the base and is used for transmitting the state information of the plug-in module.
Adopt the above technical scheme provided by the utility model, can realize following technological effect:
1. the anti-falling part is additionally arranged on the side wall of the plugging module and is matched with the limiting part in the base, so that even if the surge protection module is caused by a large current state, the plugging module is subjected to outward popping force, and the plugging module can be stably installed in the base due to the matching of the limiting part and the anti-falling part; thereby preventing the surge protection module from being erroneously ejected. In a preferred embodiment, the two side walls of the housing are respectively provided with the anti-falling parts, and the two inner side walls of the base are respectively provided with the limiting parts, so that the ejecting force can be better balanced.
2. The side wall of the shell is also provided with a hand-grasping part which is positioned outside the side wall of the mounting groove of the base, so that the mounting is more convenient; in addition, in the installation direction, the hand gripping part is located behind the anti-falling part, if the plugging module is required to be taken out, larger force can be applied through the hand gripping part, the anti-falling part is deformed, and the plugging module is separated from the limiting part, so that the plugging module is more convenient to use.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure and/or process particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
Fig. 1 is an exploded schematic view of a plug module and a base for a surge protection device according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a surge protector according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of a surge protector according to an embodiment of the present invention.
Fig. 4 is a schematic top view of a surge protector according to an embodiment of the present invention.
Reference numerals
| 110-a first plug-in module, | 120-a second plug-in module, | 130-a third plug-in module, |
| 140-a fourth plug-in module, | 200-a base, wherein the base is provided with a plurality of grooves, | 300-a remote signaling terminal, which is, |
| 111-the first protrusion of the first set of protrusions, | 112-the second projection(s), | 113/114-the pins of the pin, |
| 115-the third protrusion is provided on the second side, | 116-a third recess, the third recess, | 117/118-a hand-held portion of the hand, |
| 211-the first recess, | 212-a second groove, the second groove, | 213/214-a pin mounting portion, |
| 215-a fourth protrusion of the second set of protrusions, | 216-extending the length of the column, | 220-mounting groove. |
Detailed Description
The following detailed description will be made with reference to the accompanying drawings and examples, so as to solve the technical problems by applying technical means to the present invention, and to fully understand and implement the technical effects of the present invention. It should be noted that the specific description is only for the purpose of making the present invention easier and clearer for those skilled in the art to understand, and is not a limiting explanation of the present invention; and as long as no conflict is formed, the embodiments and the features in the embodiments of the present invention can be combined with each other, and the technical solutions formed are all within the scope of the present invention.
The technical solution of the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.
Examples
As shown in fig. 1 to 4, the present embodiment provides a plug module for a surge protector, which is insertable into a base of the surge protector, the plug module including:
the voltage sensitive element and a pin electrically connected with the voltage sensitive element, and the pin can be inserted into the pin mounting part of the base; specifically, refer to the introduction in chinese patent application No. CN201010019307.8 or CN 200910041610.5.
The plug module that this embodiment provided still includes: the shell is used for accommodating the voltage sensitive element and corresponds to the circuit element, the side wall of the shell is provided with an anti-falling part, and the anti-falling part is matched with the limiting part in the base; if the plug module is installed in a base of the surge protector and when a force application member in the base applies a force to the plug module in a direction opposite to the installation direction of the plug module; spacing portion and anticreep portion contact to pop out from the base through spacing portion restriction plug module. The anti-dropping part comprises but is not limited to the protrusion mentioned in fig. 1 and fig. 3, the limiting part comprises but is not limited to the groove mentioned in fig. 1 and fig. 3, for example, the anti-dropping part can also be arranged as the groove, and the limiting part can be arranged as the protrusion; or the anti-drop part and the limiting part are both arranged to be a projection which can be abutted; in the different embodiments, as long as the force can be applied to the plugging module along the direction opposite to the installation direction of the plugging module; spacing portion and anticreep portion contact to pop out from the base through spacing portion restriction plug module, all belong to the utility model discloses a protection scope.
In a preferred embodiment of the present invention, the anti-dropping part is provided as a protrusion extending from the side wall of the housing, and the limiting part is provided as a groove located in the side wall of the mounting groove 220 of the base; and when the plug-in module is mounted to the base of the surge protector, the projection of the housing side wall extension is inserted into the groove of the side wall of the mounting groove 220 of the base, and the upper inside surface of the groove of the side wall of the mounting groove 220 of the base abuts against the upper surface of the projection.
In a further preferred embodiment, the number of the anti-dropping parts is two, and the anti-dropping parts are respectively positioned on two side walls in the width direction of the plugging module; the number of the limiting parts is also two, the limiting parts are respectively positioned on two side walls in the side wall of the mounting groove 220 of the base, and the two side walls in the width direction of the plug-in module are respectively opposite to the two side walls in the side wall of the mounting groove 220 of the base.
Specifically, as shown in fig. 1, fig. 2, and fig. 4, the base of the surge protector provided in this embodiment may be installed with 4 plug modules side by side: a first plug module 110, a second plug module 120, a third plug module 130, and a fourth plug module 140. The structure of each plug module is similar, and the first plug module is exemplified below.
The first plug-in module 110 comprises a housing, which is a substantially square injection-molded part, and the voltage sensitive elements as mentioned above are arranged inside the housing, the pins 113 and 114 are respectively connected to two sides of the two voltage sensitive elements, and the housing is detachably connected to a frame on which the voltage sensitive elements are mounted. With regard to the specific structure of the housing and the frame for mounting the voltage sensitive element, reference may also be made to the description in the chinese patent application No. CN201010019307.8 or CN 200910041610.5.
As shown in fig. 1, the side wall of the housing is further provided with a groove 116 (also referred to as a third groove), and the groove 116 on the side wall is engaged with a protrusion 115 (also referred to as a third protrusion) of the side wall of the frame where the voltage sensitive element is mounted. The third recess 116 is located in front of the coming-off preventing portion in the mounting direction of the plug-in module (the direction opposite to the Z axis). After plug module installation like this, third recess 116 is just hidden in the recess, avoids the flying dust pollution, and third recess 116 is located the place ahead of anticreep portion moreover, and anticreep portion atress is less to third recess 116 and third protruding 115's influence, can not influence the dropping of shell, for example when pulling out plug module hard, lets anticreep portion atress most probably, does not influence being connected of third recess 116 and third protruding 115.
As shown in fig. 1 and 3, in a preferred embodiment of the present embodiment, in the width direction (X axial direction) of the first plug module 110, the first plug module 110 is provided with a first protrusion 111 and a second protrusion 112 as a disengagement preventing portion, and correspondingly, two inner side walls of the base 200 are provided with a first groove 211 and a second groove 212 respectively engaged with the first protrusion 111 and the second protrusion 112; when the first plug module 110 is mounted in the corresponding mounting groove 220 of the base 200, the first protrusion 111 is located in the first groove 211, and the second protrusion 112 is located in the second groove 212; and the upper surface of the first protrusion 111 is opposite to the upper inner side surface of the first groove 211, and the upper surface of the second protrusion 112 is opposite to the upper inner side surface of the second groove 212; thus, if a force is applied to the first pluggable module 110 by the force applying member in the base 200 in the direction opposite to the mounting direction (Z-axis), the upper surface of the first protrusion 111 abuts against the upper inside surface of the first recess 211, and the upper surface of the second protrusion 112 abuts against the upper inside surface of the second recess 212; so that the first pluggable module 110 can be restricted from being ejected.
Therefore, the anti-falling part is additionally arranged on the side wall of the plug-in module and is matched with the limiting part in the base, so that even if the surge protection module is caused by a large current state, the plug-in module is subjected to outward popping force, and the plug-in module can be stably installed in the base due to the matching of the limiting part and the anti-falling part; thereby preventing the surge protection module from being erroneously ejected. In a preferred embodiment, the two side walls of the housing are respectively provided with the anti-falling parts, and the two inner side walls of the base are respectively provided with the limiting parts, so that the ejecting force can be better balanced.
As shown in fig. 1 and 3, the base 200 is further provided with a pin mounting part 213 and a pin mounting part 214 respectively matched with the pin 113 and the pin 114, the pin mounting part 213 and the pin mounting part 214 respectively include a groove, and an extension column 216 extends from a bottom plane of the mounting groove 220 of the base 200, the extension column 216 is retractable and is extruded to a position flush with the bottom plane in a normal state, but is ejected if the flow is large, so that a force along the Z-axis direction (the direction opposite to the mounting direction of the plugging module) can be applied to the first plugging module; of course, in this embodiment, the force applied to the base in the direction opposite to the direction of installing the pluggable module may be directly applied to the pins or applied to other positions.
As shown in fig. 1, in a preferred embodiment of this embodiment, the first plugging module 110 further includes: the hand gripping part is also arranged on the side wall where the anti-falling part is arranged; along the installation direction of the plug-in module, the hand-held part is positioned behind the anti-drop part and is positioned outside the side wall of the installation groove 220 of the base; specifically, in the installation direction (opposite direction of the Z axis) of the first plug module 110, the length of the first plug module 110 is greater than the depth of the mounting groove 220 of the base, so that when the first plug module 110 is installed in the mounting groove 220 of the base, the hand-holding portion cannot be installed in the mounting groove 220 of the base, thereby facilitating the hand-holding of the first plug module 110. Specifically, the grip portion includes a plurality of corrugated protrusions 117 provided on the side wall of the housing, and the grip portions are provided on both sides of the housing in the width direction, respectively. The other plug modules are similar to the first plug module 110.
Therefore, the side wall of the shell is also provided with the hand-gripping part which is positioned outside the side wall of the mounting groove 220 of the base, so that the mounting is more convenient; in addition, in the installation direction, the hand gripping part is located behind the anti-falling part, if the plugging module is required to be taken out, larger force can be applied through the hand gripping part, the anti-falling part is deformed, and the plugging module is separated from the limiting part, so that the plugging module is more convenient to use.
As shown in fig. 1, in a preferred embodiment of the present embodiment, the side wall of the housing is further provided with a mounting sliding groove (not shown), and the first plug module 110 is guided to a predetermined position in the base 200 by the sliding of the mounting sliding groove along a protrusion 215 (also referred to as a fourth protrusion) on the side wall of the mounting groove 220 of the base; that is, the mounting sliding groove of the side wall of the housing of the first plug-in module 110 is matched with the fourth protrusion 215 of the side wall of the mounting groove 220, so that the mounting sliding groove forms a guide rail, and the first plug-in module 110 can be guided to a predetermined position in the base 200 by sliding down along the fourth protrusion 215 of the side wall of the mounting groove 220, for example, the pins 113 and 114 are inserted into the pin mounting portions 213 and 214 of the base 200, and the lower surface of the first plug-in module 110 abuts against the surface opposite to the mounting groove 220.
As shown in fig. 4, the present embodiment also provides a surge protector device including:
the plug module 110, 120, 130, 140 for surge protector, and
the base 200 is used for installing the plug-in module, and the base 200 is provided with a limiting part matched with the anti-falling part in the plug-in module.
In a preferred embodiment of this embodiment, the surge protector further includes: the remote signaling terminal 300 is located on the outer side wall of the base, the remote signaling terminal 300 is used for transmitting state information of the plug-in module, namely the remote signaling terminal 300 is connected through a remote signaling interface of the surge protector, and the surge protector can be conveniently monitored in a remote mode to work or not to be damaged.
Finally, it should be understood that the above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. The above disclosed embodiments and technical content can be utilized by any person skilled in the art to make many possible variations, simple substitutions and the like without departing from the scope of the present invention, which is within the protection scope of the present invention.
Claims (10)
1. A plug-in module for a surge protector, the plug-in module being insertable into a base of the surge protector, the plug-in module comprising:
the voltage sensitive element and a pin electrically connected with the voltage sensitive element can be inserted into the pin mounting part of the base;
the shell is used for accommodating the circuit element corresponding to the voltage sensitive element, the side wall of the shell is provided with an anti-falling part, and the anti-falling part is matched with the limiting part in the base; if the pluggable module is installed in a base of the surge protector and when a force applying part in the base applies a force to the pluggable module in a direction opposite to the installation direction of the pluggable module; the limiting part is in contact with the anti-falling part and limits the plug-pull module to pop out of the base through the limiting part.
2. The pluggable module of claim 1, wherein the anti-coming-off portion is configured as a protrusion extending from a sidewall of the housing, and the position-limiting portion is configured as a groove located in a sidewall of the mounting groove of the base; and when the plug-in module is mounted to the base of the surge protector, the projection from which the housing side wall extends is inserted into the groove of the mounting groove side wall of the base, and the upper inside surface of the groove of the mounting groove side wall of the base abuts against the upper surface of the projection.
3. The pluggable module of claim 2, wherein the number of the anti-separation portions is two, and the two anti-separation portions are respectively located on two side walls in the width direction of the pluggable module; the quantity of spacing portion also is two, is located respectively on the both sides wall in the mounting groove lateral wall of base, and when plug module installation extremely in surge protector's the base, plug module width direction's both sides wall respectively with the both sides wall in the mounting groove lateral wall of base is relative.
4. The pluggable module of claim 1, further comprising: the hand-grasping part is also arranged on the side wall where the anti-falling part is arranged; along the installation direction of plug module, the portion of grabbing is located the rear of anticreep portion, and the portion of grabbing is located the outside of the mounting groove lateral wall of base.
5. The pluggable module of claim 4, wherein the grip portion comprises a plurality of corrugated protrusions disposed on a sidewall of the housing.
6. The pluggable module of claim 1, wherein the housing is detachably connected to a frame for mounting the voltage sensing element, and the sidewall of the housing is further provided with a groove, and the groove on the sidewall is matched with the protrusion on the sidewall of the frame for mounting the voltage sensing element.
7. The pluggable module of claim 6, wherein the groove is located in front of the anti-separation portion along an installation direction of the pluggable module.
8. The pluggable module of claim 1, wherein the side wall of the housing is further provided with a mounting chute, and the pluggable module is guided to a predetermined position in the base by sliding of the mounting chute along a protrusion on the side wall of the mounting slot of the base.
9. A surge protector device, comprising:
a plug-in module for a surge protector according to any of claims 1-8, and
the base is used for installing the plug module and is provided with a limiting part matched with the anti-falling part in the plug module.
10. A surge protector device as claimed in claim 9, further comprising: and the remote signaling terminal is positioned on the outer side wall of the base and is used for transmitting the state information of the plug-in module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921419522.XU CN210468795U (en) | 2019-08-29 | 2019-08-29 | Plug-pull module for surge protector and surge protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921419522.XU CN210468795U (en) | 2019-08-29 | 2019-08-29 | Plug-pull module for surge protector and surge protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210468795U true CN210468795U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921419522.XU Active CN210468795U (en) | 2019-08-29 | 2019-08-29 | Plug-pull module for surge protector and surge protector |
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| CN (1) | CN210468795U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675702A (en) * | 2021-07-13 | 2021-11-19 | 北京无线电测量研究所 | Plug-pull mechanism |
-
2019
- 2019-08-29 CN CN201921419522.XU patent/CN210468795U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675702A (en) * | 2021-07-13 | 2021-11-19 | 北京无线电测量研究所 | Plug-pull mechanism |
| CN113675702B (en) * | 2021-07-13 | 2024-02-20 | 北京无线电测量研究所 | Plug mechanism |
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