CN210404736U - Electromagnetic pulse protection device for single data line and control line - Google Patents
Electromagnetic pulse protection device for single data line and control line Download PDFInfo
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- CN210404736U CN210404736U CN201921667722.7U CN201921667722U CN210404736U CN 210404736 U CN210404736 U CN 210404736U CN 201921667722 U CN201921667722 U CN 201921667722U CN 210404736 U CN210404736 U CN 210404736U
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Abstract
The utility model relates to an electromagnetic pulse protection device of single data line and control line, which comprises a first shell and a second shell, wherein a baffle plate for shielding is arranged between the first shell and the second shell, a first transient protection component is arranged in the first shell, and the input end of the first transient protection component is connected with an input connecting end; the second shell is internally provided with a second transient protection component connected with the output end of the first transient protection component, and the second transient protection component is connected with an output connection end. The electromagnetic pulse protection device can restrain 20KA surge current through the first transient protection component, the second transient protection component and the partition plate; by adopting the design of the first transient protection component and the second transient protection component, the high-frequency interference can be effectively filtered in a wide range, and a data line or a control line is protected from interference of high-altitude and nuclear electromagnetic pulses, lightning overvoltage and high frequency, so that the requirement of protecting equipment is met.
Description
Technical Field
The utility model relates to a telecommunication equipment electromagnetic pulse protection technical field specifically, relates to an electromagnetic pulse protector of single data line and control line.
Background
Electromagnetic pulses are transient electromagnetic phenomena, which are transmitted in a space radiation mode, and can damage electronic, information, electric power, photoelectricity, microwave and other equipment devices through electromagnetic wave radiation, so that semiconductor insulating layers in electronic equipment are broken down or integrated circuits are burnt down, and the equipment is failed or permanently damaged.
On the devices such as antenna, power line, signal line and network line, the electromagnetic pulse is mainly represented in the form of transient high voltage and strong current generated on the devices, and the devices are damaged. The single data line and control line communication mode is the most used communication mode for fast communication of big data among all electronic systems and between all levels of system commands, and the single data line and control line communication mode is easily interfered by strong electromagnetic pulses, so that errors in information transmission and control can be caused, and even systems in communication connection through the mode can be damaged. The device of the electromagnetic pulse protection of the existing single data line and control line communication mode is mostly a surge protection circuit of a thermistor, the insertion loss of the surge protection circuit is large, and the electromagnetic pulse protection device can lose packets and miss packets through the transmission of the single data line and control line communication mode in a high-low temperature state.
Therefore, it is desirable to provide an electromagnetic pulse protection device with a single data line and a single control line to overcome the deficiencies of the prior art.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an electromagnetic pulse protection device of single data line and control line.
The technical scheme of the utility model as follows:
an electromagnetic pulse protection device of a single data line and a single control line comprises a first shell with an inner cavity and a second shell in interference fit and sleeve joint with the first shell, wherein a partition plate for shielding is arranged between the first shell and the second shell;
the first shell is internally provided with a first transient protection component, and the input end of the first transient protection component is connected with an input connecting end;
the second shell is internally provided with a second transient protection component connected with the output end of the first transient protection component, and the second transient protection component is connected with an output connection end.
Preferably, the first transient protection assembly comprises a discharge tube, a first inductor wrapped on an outer wall surface of the discharge tube, and the input connection terminal connected with the discharge tube. Wherein the discharge tube is H-shaped.
Preferably, the second transient protection component comprises a capacitor connected with the discharge tube, a fixed sleeve is sleeved outside the capacitor in a fixed mode, a second inductor is further sleeved on the outer wall surface of the fixed sleeve, wrapping the capacitor, and the capacitor is further connected with the output connecting end.
Preferably, one end of the capacitor penetrates through the partition board to be connected with the discharge tube, the capacitor at the other end penetrates through the fixing sleeve to be connected with the output connecting end, a first connecting hole is formed in the fixing sleeve corresponding to the partition board, and a second connecting hole is formed in the fixing sleeve.
Preferably, the input connection end and the output connection end are both connection pieces. Wherein, the connecting piece is an inserting piece connector.
Preferably, the connecting piece is provided with a line pressing piece for pressing lines, and the line pressing piece is fixedly arranged on the connecting piece in a screw connection mode.
The utility model has the advantages that: compared with the prior art, the electromagnetic pulse protection device of the single data line and the control line can restrain 20KA surge current through the first transient protection component connected with the input connecting end, the second transient protection component connected with the output connecting end and the shielding clapboard arranged between the first transient protection component and the second transient protection component; by adopting the design of the first transient protection component and the second transient protection component, high-frequency interference can be effectively filtered in a wide range, and a data line or a control line is protected from NEMP/HEPM (nuclear electromagnetic pulse/high-altitude electromagnetic pulse) and lightning overvoltage and high-frequency interference, so that the requirement of protecting equipment is met.
Description of the drawings:
fig. 1 is a schematic structural view of the electromagnetic pulse protection device for single data line and control line of the present invention.
Fig. 2 is a schematic view of the exploded structure of the electromagnetic pulse protection device for single data line and control line of the present invention.
Fig. 3 is a schematic diagram of a cross-sectional structure of the electromagnetic pulse protection device for single data line and control line according to the present invention.
Detailed Description
In order to make the object, technical solution and technical effect of the present invention more clearly understood, the present invention will be further described with reference to the following embodiments. It should be understood that the following detailed description describes embodiments of the invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-3 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.
In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.
Referring to fig. 1 to 3, the present invention provides an electromagnetic pulse protection device with single data line and control line for protecting equipment with 24V/0.5A/300kHz single line analog signal. The electromagnetic pulse protection device of the single data line and the single control line comprises a first shell 10 with an inner cavity and a second shell 20 which is in interference fit with the first shell 10 in a sleeved mode, wherein a partition plate 30 used for shielding is arranged between the first shell 10 and the second shell 20. In this embodiment, a fastener 25 is sleeved on the second housing 20. Wherein the fastener 25 is preferably a nut.
Referring to fig. 2 and 3, a first transient protection assembly 11 is disposed in the first outer shell 10, and the first transient protection assembly 11 includes a discharge tube 12, a first inductor 13 wrapped on an outer wall surface of the discharge tube 12, and an input connection terminal 40 connected to the discharge tube 12. Wherein the discharge tube 12 has an H-shape.
Referring to fig. 2 and 3, a second transient protection component 21 connected to the output end of the first transient protection component 11 is disposed in the second housing 20, the second transient protection component 21 includes a capacitor 22 connected to the discharge tube 12, a fixing sleeve 23 is fixedly sleeved outside the capacitor 22, a second inductor 24 is further sleeved on the outer wall surface of the fixing sleeve 23 wrapping the capacitor 22, and the capacitor 22 is further connected to an output connection end 50. In this embodiment, the fixing sleeve 23 has a T-shaped inner cavity, one end of the capacitor 22 passes through the partition 30 and is connected to the discharge tube 12, and the other end of the capacitor 22 passes through the fixing sleeve 23 and is connected to the output terminal 50. The fasteners 25 securely mount the holster 23 within the interior cavity of the second housing 20. The partition board 30 is provided with a first connection hole 31 for accommodating the pin of the capacitor 22, and the fixing sleeve 23 is provided with a second connection hole 231 for accommodating the pin of the capacitor 22. The partition 30 is made of metal, and the partition 30 is used for separating the discharge tube 12, the first inductor 13, the capacitor 22 and the second inductor 24, and also for avoiding interference between electronic components between the first transient protection assembly 11 and the second transient protection assembly 21.
When a transient surge current should be inputted from the input connection terminal 40, it is triggered by the discharge tube 12 of the surge protector at a nanosecond response speed, then passes through the counteracting current and filtering of the first inductor 13 and the second inductor 24 of the filter, and then absorbs the surge by the capacitor 22 at a sub-nanosecond corresponding speed, so that the device connected to the output connection terminal 50 is not disturbed by a high frequency.
Referring to fig. 1 to 3, the input connection end 40 and the output connection end 50 are both connection pieces. Wherein, the connecting sheet is preferably a 6.3 mm-wide inserting sheet connector. The connecting piece is provided with a line pressing piece 60 for pressing lines, and the line pressing piece 60 is fixedly arranged on the connecting piece 60 in a screw connection mode. In other embodiments, the crimping piece 60 may be fixedly disposed on the connecting piece 60 by welding.
In this embodiment, the electromagnetic pulse protection device of the single data line and the control line can suppress 20KA surge current by connecting the first transient protection component with the input connection end, connecting the second transient protection component with the output connection end, and arranging the shielding partition plate between the first transient protection component and the second transient protection component; by adopting the design of the first transient protection component and the second transient protection component, high-frequency interference can be effectively filtered in a wide range, and a data line or a control line is protected from NEMP/HEPM (nuclear electromagnetic pulse/high-altitude electromagnetic pulse) and lightning overvoltage and high-frequency interference, so that the requirement of protecting equipment is met.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of the ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, its framework form can be nimble changeable, can derive series of products. But merely as a matter of simple deductions or substitutions, should be considered as belonging to the scope of patent protection of the present invention as determined by the claims submitted.
Claims (8)
1. The electromagnetic pulse protection device for the single data line and the single control line is characterized by comprising a first shell with an inner cavity and a second shell in interference fit and sleeve joint with the first shell, wherein a partition plate for shielding is arranged between the first shell and the second shell;
the first shell is internally provided with a first transient protection component, and the input end of the first transient protection component is connected with an input connecting end;
the second shell is internally provided with a second transient protection component connected with the output end of the first transient protection component, and the second transient protection component is connected with an output connection end.
2. The single data line and control line electromagnetic pulse protection device of claim 1, wherein said first transient protection component comprises a discharge tube, a first inductor wrapped on an outer wall surface of said discharge tube, and said input connection terminal connected to said discharge tube; the discharge tube is H-shaped.
3. The single data line and control line electromagnetic pulse protection device of claim 2, wherein the second transient protection component comprises a capacitor connected to the discharge tube, a fixing sleeve is fixedly sleeved outside the capacitor, a second inductor is further sleeved on an outer wall surface of the fixing sleeve wrapping the capacitor, and the capacitor is further connected to the output connection terminal.
4. The apparatus according to claim 3, wherein one end of said capacitor is connected to said discharge tube through said partition, and the other end of said capacitor is connected to said output connection end through said fixing sleeve, and a first connection hole is formed in said fixing sleeve corresponding to said partition, and a second connection hole is formed in said fixing sleeve.
5. The single data line and control line electromagnetic pulse protection device of any one of claims 1-4, wherein said input connection and said output connection are both connection pads.
6. The single data line and control line electromagnetic pulse protection device of claim 5, wherein said connection pad is a blade connector.
7. The apparatus according to claim 5, wherein a wire pressing piece for pressing the wire is disposed on the connecting piece.
8. The apparatus of claim 7, wherein the pressing tab is fixed to the connecting tab by a screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921667722.7U CN210404736U (en) | 2019-09-30 | 2019-09-30 | Electromagnetic pulse protection device for single data line and control line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921667722.7U CN210404736U (en) | 2019-09-30 | 2019-09-30 | Electromagnetic pulse protection device for single data line and control line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210404736U true CN210404736U (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921667722.7U Active CN210404736U (en) | 2019-09-30 | 2019-09-30 | Electromagnetic pulse protection device for single data line and control line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210404736U (en) |
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2019
- 2019-09-30 CN CN201921667722.7U patent/CN210404736U/en active Active
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