CN210092875U - Surge protector detection device - Google Patents
Surge protector detection device Download PDFInfo
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- CN210092875U CN210092875U CN201921398703.9U CN201921398703U CN210092875U CN 210092875 U CN210092875 U CN 210092875U CN 201921398703 U CN201921398703 U CN 201921398703U CN 210092875 U CN210092875 U CN 210092875U
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Abstract
The utility model relates to a surge protector detection device, which comprises a detection component, a surge protector and a sound alarm, wherein the detection component comprises a shell and a longitudinal detection plate fixed in the shell, a chute transversely penetrates through the detection plate, the chute is connected with a long-strip-shaped slide block in a sliding manner, one end of the slide block is fixed with a pressing plate, and the other end of the slide block is fixed with an iron adsorption plate; a pressure switch for controlling the sound alarm and a transverse hydraulic buffer are fixed on the detection plate, and the pressure switch and the hydraulic buffer are opposite to the pressing plate; an electromagnet opposite to the adsorption plate is arranged on the inner side wall of the shell and is connected with the surge protector in series; when the pressure plate is contacted with the pressure sensor, the electromagnet is not contacted with the adsorption plate; the measuring assembly carries out measurement indirectly through the electromagnet, interference or damage to the measuring assembly cannot be caused when surge current is released, and the measuring result is accurate; different surge protection devices can adopt the structure, and the universality is high.
Description
Technical Field
The utility model relates to the technical field, more specifically say, relate to a surge protector detection device.
Background
Installing surge protectors on metal lines such as power lines, signal lines and control lines connected to electronic equipment is one of important measures for lightning protection; one important problem that exists today is: when the surge protector protects equipment, the self device can be gradually degraded until the device is completely damaged, or the device can be directly damaged under overlarge surge impact; in any case, the surge protection device must be timely separated from the line, otherwise, the phenomena of combustion, switch tripping, power supply interruption, signal transmission fault and the like occur.
Therefore, for the installed surge protector, the surge protection device inside the surge protector needs to be accurately and effectively monitored in real time, so that measures are taken in time when the surge protection device is degraded and damaged, and the normal work of a system line is ensured. The existing measurement component is installed in a surge protector to detect whether the surge protector leaks current or not. The above technical method still has problems: 1. the measurement component is arranged in the surge protector, and the measurement component is easily interfered or damaged when surge current is released, so that the measurement result is inaccurate, and false alarm and misoperation are caused; 2. the different surge protection devices have different parameters of the measuring components, so that the model selection in the design and manufacturing process of the product is complicated.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a surge protector detection device is provided.
The utility model provides a technical scheme that its technical problem adopted is:
the surge protector detection device comprises a detection assembly, a surge protector and a sound alarm, wherein the detection assembly comprises a shell and a longitudinal detection plate fixed in the shell, a sliding groove transversely penetrates through the detection plate, the sliding groove is connected with a strip-shaped sliding block in a sliding manner, one end of the sliding block is fixed with a pressing plate, and the other end of the sliding block is fixed with an iron adsorption plate; a pressure switch for controlling the sound alarm and a transverse hydraulic buffer are fixed on the detection plate, and the pressure switch and the hydraulic buffer are opposite to the pressing plate; an electromagnet opposite to the adsorption plate is arranged on the inner side wall of the shell, and the electromagnet is connected with the surge protector in series; when the pressure plate is in contact with the pressure switch, the electromagnet is not in contact with the adsorption plate.
Surge protector detection device, wherein, be equipped with horizontal guide rail on the both sides wall of spout, be equipped with on the slider with guide rail complex guide way.
Surge protector detection device, wherein, the guide rail specifically is the T font, the slider not with the upper and lower both sides contact of spout.
Surge protector detection device, wherein, still be equipped with on the casing two respectively with the electrically conductive screw that the both ends electricity of electro-magnet is connected, two electrically conductive screw, one of which with surge protector electricity is connected, another is connected with the ground wire electricity.
Surge protector detection device, wherein, audible alarm fixes the outside of casing is surperficial.
The beneficial effects of the utility model reside in that: when the surge protector is damaged and a current leakage phenomenon occurs, equipment current passes through the surge protector and an electromagnet connected with the surge protector in series, the electromagnet generates magnetic force, an iron adsorption plate is influenced by the magnetic force to approach the electromagnet, a sliding block and a pressing plate connected with the sliding block are driven to move, the pressing plate presses a hydraulic buffer and approaches a pressure switch, and after the pressing plate touches and presses the pressure switch, a sound alarm electrically connected with the pressure switch gives out a sound alarm;
when the surge protector is not damaged, if the lightning voltage exceeds a threshold value, the high impedance of the surge protector is suddenly changed into low impedance, the lightning current is allowed to pass through, the lightning current passes through the surge protector and also passes through the electromagnet connected with the surge protector in series, the electromagnet generates magnetic force, the iron adsorption plate is close to the electromagnet under the influence of the magnetic force to drive the sliding block and the pressing plate connected with the sliding block to move, but the pressing plate is blocked by the hydraulic buffer due to the fact that the lightning has instantaneity and cannot touch the pressure switch at the moment when the lightning passes through, and therefore a sound alarm electrically connected with the pressure switch cannot give out sound alarm;
the measuring assembly carries out measurement indirectly through the electromagnet, interference or damage to the measuring assembly cannot be caused when surge current is released, and the measuring result is accurate; different surge protection devices can adopt the structure, and the universality is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the drawings:
fig. 1 is a sectional view of a surge protector detection device according to a preferred embodiment of the present invention;
fig. 2 is a schematic diagram of the detecting board structure of the surge protector detecting device according to the preferred embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.
The surge protector detection device of the preferred embodiment of the present invention is shown in fig. 1, referring to fig. 2, and comprises a detection component 1, a surge protector 2 and a sound alarm 3, wherein the detection component 1 comprises a casing 11 and a longitudinal detection plate 12 fixed in the casing 11, a sliding chute 13 is transversely arranged on the detection plate 12 in a penetrating manner, the sliding chute 13 is slidably connected with a long-strip-shaped sliding block 14, one end of the sliding block 14 is fixed with a pressing plate 15, and the other end is fixed with an iron adsorption plate 16; a pressure switch 17 for controlling the sound alarm 3 and a transverse hydraulic buffer 18 are fixed on the detection plate 12, and the pressure switch 17 and the hydraulic buffer 18 are opposite to the pressing plate 15; an electromagnet 19 opposite to the adsorption plate 16 is arranged on the inner side wall of the shell 11, and the electromagnet 19 is connected with the surge protector 2 in series; when the pressure plate 15 is contacted with the pressure switch 17, the electromagnet 19 is not contacted with the adsorption plate 16;
when the surge protector 2 is damaged and a leakage current phenomenon occurs, the equipment current passes through the surge protector 2 and also passes through the electromagnet 19 connected with the surge protector 2 in series, the electromagnet 19 generates magnetic force, the iron adsorption plate 16 is influenced by the magnetic force to approach the electromagnet 19 to drive the sliding block 14 and the pressing plate 15 connected with the sliding block 14 to move, the pressing plate 15 presses the hydraulic buffer 18 and approaches the pressure switch 17, and after the pressing plate 15 touches the pressure switch 17, the sound alarm 3 electrically connected with the pressure switch 17 gives out a sound alarm;
when the surge protector 2 is not damaged, if the lightning voltage exceeds a threshold value, the high impedance of the surge protector 2 is suddenly changed into low impedance, the lightning current is allowed to pass through, the lightning current passes through the surge protector 2 and also passes through the electromagnet 19 connected with the surge protector 2 in series, the electromagnet 19 generates magnetic force, the iron adsorption plate 16 is influenced by the magnetic force to approach the electromagnet 19, the sliding block 14 and the pressing plate 15 connected with the sliding block 14 are driven to move, but the pressing plate 15 is blocked by the hydraulic buffer 18 due to the fact that lightning has instantaneity and cannot touch the pressure switch 17 instantly, and therefore the sound alarm 3 electrically connected with the pressure switch 17 cannot give out sound alarm;
the detection assembly 1 indirectly measures through the electromagnet 19, interference or damage to the detection assembly 1 cannot be caused when surge current is released, and the measurement result is accurate; 2 different surge protectors all can adopt this structure, have very strong commonality.
As shown in fig. 2, two side walls of the sliding chute 13 are provided with transverse guide rails 131, and the sliding block 14 is provided with guide grooves 141 matched with the guide rails 131; facilitating the sliding of the slider 14 within the slide channel 13.
As shown in fig. 2, the guide rail 131 is T-shaped, so that the slider 14 has strong stability when sliding in the sliding slot 13; the sliding block 14 is not contacted with the upper side and the lower side of the sliding chute 13, the requirement on the machining precision of the sliding chute 13 is low, and the machining cost is low.
As shown in fig. 1, the housing 11 is further provided with two conductive screws 191 electrically connected to two ends of the electromagnet 19, respectively, one of the two conductive screws 191 is electrically connected to the surge protector 2, and the other conductive screw 191 is electrically connected to the ground; when the surge protector 2 is replaced, the electrical connection between the surge protector 2 and the detection assembly 1 can be disconnected only by unscrewing the conductive screw.
As shown in fig. 1, the audible alarm 3 is fixed to the outer side surface of the housing 11; making the audible alarm emitted by the audible alarm 3 more perceptible.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (5)
1. A surge protector detection device comprises a detection assembly, a surge protector and a sound alarm, and is characterized in that the detection assembly comprises a shell and a longitudinal detection plate fixed in the shell, a sliding groove transversely penetrates through the detection plate, the sliding groove is connected with a long-strip-shaped sliding block in a sliding manner, one end of the sliding block is fixed with a pressing plate, and the other end of the sliding block is fixed with an iron adsorption plate; a pressure switch for controlling the sound alarm and a transverse hydraulic buffer are fixed on the detection plate, and the pressure switch and the hydraulic buffer are opposite to the pressing plate; an electromagnet opposite to the adsorption plate is arranged on the inner side wall of the shell, and the electromagnet is connected with the surge protector in series; when the pressure plate is in contact with the pressure switch, the electromagnet is not in contact with the adsorption plate.
2. The surge protector detection device according to claim 1, wherein lateral guide rails are provided on both side walls of the chute, and a guide groove engaged with the guide rails is provided on the slider.
3. The surge protector detection device of claim 2, wherein the guide rail is specifically T-shaped, and the slider does not contact with the upper and lower sides of the chute.
4. The surge protector detection device of claim 1, wherein the housing further comprises two conductive screws electrically connected to two ends of the electromagnet, respectively, one of the two conductive screws being electrically connected to the surge protector and the other being electrically connected to a ground.
5. The surge protector detection device of claim 1, wherein the audible alarm is secured to an outside surface of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921398703.9U CN210092875U (en) | 2019-08-27 | 2019-08-27 | Surge protector detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921398703.9U CN210092875U (en) | 2019-08-27 | 2019-08-27 | Surge protector detection device |
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| Publication Number | Publication Date |
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| CN210092875U true CN210092875U (en) | 2020-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921398703.9U Active CN210092875U (en) | 2019-08-27 | 2019-08-27 | Surge protector detection device |
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| CN (1) | CN210092875U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254855A (en) * | 2020-10-27 | 2021-01-22 | 国家电网有限公司 | Transmission line ground pressure detection device |
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2019
- 2019-08-27 CN CN201921398703.9U patent/CN210092875U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254855A (en) * | 2020-10-27 | 2021-01-22 | 国家电网有限公司 | Transmission line ground pressure detection device |
| CN112254855B (en) * | 2020-10-27 | 2022-09-06 | 国家电网有限公司 | Transmission line ground pressure detection device |
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