CN210350782U - Radio frequency coaxial strong transient electromagnetic pulse comprehensive protection device - Google Patents
Radio frequency coaxial strong transient electromagnetic pulse comprehensive protection device Download PDFInfo
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- CN210350782U CN210350782U CN201921617685.9U CN201921617685U CN210350782U CN 210350782 U CN210350782 U CN 210350782U CN 201921617685 U CN201921617685 U CN 201921617685U CN 210350782 U CN210350782 U CN 210350782U
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Abstract
The utility model relates to a coaxial strong transient state electromagnetic pulse of radio frequency synthesizes protector, including integration metal body, the middle part is equipped with the first capacitive mechanical structure and the second capacitive mechanical structure of direct contact in the cavity of integration metal body, first capacitive mechanical structure left side is provided with first perception mechanical structure, the coaxial transmission line of first perception mechanical structure left side lug connection, second capacitive mechanical structure right side is provided with second perception mechanical structure, second perception mechanical structure right side is provided with the coaxial transmission line of second radio frequency, the coaxial transmission line right side of second radio frequency is provided with the third capacitive mechanical structure and the fourth capacitive mechanical structure of direct contact, fourth capacitive mechanical structure right side lug connection third radio frequency coaxial transmission line, the coaxial transmission line of second radio frequency is close to the lower surface lug connection diode mechanical structure of third capacitive mechanical structure one end. The utility model discloses can protect all kinds of harmful transient strong electromagnetic pulse's invasion and damage effectively.
Description
Technical Field
The utility model relates to an electromagnetic pulse protection field especially relates to a coaxial strong transient state electromagnetic pulse of radio frequency synthesizes protector.
Background
As various wireless devices and facilities are widely applied to engineering application fields such as industrial and agricultural production, scientific research, foreign air exploration, national defense construction, homeland security defense and the like, the transceiving systems of various wireless devices and facilities are placed in a complex electromagnetic environment. The wireless transceiving system equipment, particularly the antenna and the coaxial feeder are exposed outside the equipment, so that the equipment is extremely easy to be invaded by various transient electromagnetic pulses, and key sensitive equipment in the system is damaged due to the fact that various transient electromagnetic pulses are introduced into the transceiving system through the antenna and the feeder, so that the normal work of wireless equipment and equipment is influenced.
In the strong electromagnetic pulse protection, the technology of microsecond level (us) slow leading edge (hereinafter referred to as "slow edge") strong electromagnetic pulse (such as thunder electromagnetic pulse) protection is relatively mature, and for other types of nanosecond level (ns) and below fast leading edge (hereinafter referred to as "fast edge") strong electromagnetic pulse protection technologies, which are still in a starting stage, how to implement effective strong electromagnetic pulse comprehensive protection on key equipment on a radio frequency link by using a circuit is realized, so that the electromagnetic pulse protection cost of the equipment is effectively saved, the protection performance of the equipment is improved, and the method is a technical problem and an integrated comprehensive application requirement which are urgently needed to be solved by the current strong transient electromagnetic pulse protection of the radio frequency link.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a coaxial strong transient state electromagnetic pulse of radio frequency synthesizes protector satisfies the receiving and dispatching system ability uninterrupted duty in extremely complicated and abominable electromagnetic environment of wireless equipment and facility to can protect the invasion and the damage of all kinds of harmful transient state strong electromagnetic pulse effectively.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a radio frequency coaxial strong transient electromagnetic pulse comprehensive protection device comprises an integrated metal body, wherein a first capacitive mechanical structural part and a second capacitive mechanical structural part which are in direct contact are arranged in the middle of a cavity of the integrated metal body, the left side of the first capacitive mechanical structural part is provided with a first inductive mechanical structural part, the left side of the first inductive mechanical structural part is directly connected with a first radio frequency coaxial transmission line, a second inductive mechanical structural part is arranged on the right side of the second capacitive mechanical structural part, a second radio frequency coaxial transmission line is arranged on the right side of the second inductive mechanical structural part, a third capacitive mechanical structural part and a fourth capacitive mechanical structural part which are in direct contact are arranged on the right side of the second radio frequency coaxial transmission line, the right side of the fourth capacitive mechanical structure part is directly connected with a third radio frequency coaxial transmission line, and the lower surface of one end, close to the third capacitive mechanical structure part, of the second radio frequency coaxial transmission line is directly connected with a diode mechanical structure part.
By adopting the technical scheme, the electromagnetic pulse protection circuit can effectively protect the intrusion and damage of various harmful transient strong electromagnetic pulses, has the functions of slow-edge strong transient electromagnetic pulse surge voltage peak suppression and surge current absorption circuit, and has the protection function of fast-edge strong transient electromagnetic pulses.
The utility model discloses further set up to: the antenna also comprises a third inductive mechanical structural component and a fourth inductive mechanical structural component, wherein the third inductive mechanical structural component is arranged between the third capacitive mechanical structural component and the second radio frequency coaxial transmission line, and the fourth inductive mechanical structural component is arranged between the fourth capacitive mechanical structural component and the third radio frequency coaxial transmission line.
By adopting the technical scheme, the two-stage cascade reciprocal symmetrical comprehensive protection device is formed.
The utility model discloses further set up to: the integrated metal body has the frequency resonance characteristic of 300MHz-18 GHz.
By adopting the technical scheme, distributed capacitance can be formed between the inductive mechanical structural part and the capacitive mechanical structural part.
The utility model discloses further set up to: the integrated metal body is characterized by further comprising a first radio frequency coaxial connection conversion port and a second radio frequency coaxial connection conversion port, wherein the first radio frequency coaxial connection conversion port is arranged at the input end of the integrated metal body and used for fastening the first radio frequency coaxial transmission line; the second radio frequency coaxial connection conversion port is arranged at the output end of the integrated metal body and used for fastening the third radio frequency coaxial transmission line.
By adopting the technical scheme, the radio frequency coaxial connection conversion port is used for fixing the radio frequency coaxial transmission line in the integrated metal body.
The utility model discloses further set up to: the characteristic impedance of the first radio frequency coaxial connection conversion port and the second radio frequency coaxial connection conversion port is 50 ohms.
By adopting the technical scheme, the characteristic impedance of the radio frequency coaxial connection conversion port is 50 ohms, and the equivalent resistance R is obtained.
The utility model discloses further set up to: the first radio frequency coaxial connection conversion port and the second radio frequency coaxial connection conversion port are fixed by a flange plate, are pressed and tightly matched in a pressing mode through extrusion or are matched in a thread mode.
By adopting the technical scheme, the radio frequency coaxial connection conversion port adopts the processes of flange plate fixing, extrusion close-fitting crimping or thread matching, and is favorable for fastening connection.
The utility model discloses further set up to: o-shaped waterproof conductive rubber rings are arranged between the first radio frequency coaxial connection conversion port and the integrated metal body and between the second radio frequency coaxial connection conversion port and the integrated metal body.
By adopting the technical scheme, the O-shaped waterproof conductive rubber ring is arranged between the radio frequency coaxial connection conversion port and the integrated metal body, so that the working environment in the integrated metal body is favorably maintained, and the influence on precision mechanical structural parts such as inductive mechanical structural parts, capacitive mechanical structural parts and the like is avoided
The utility model discloses further set up to: the fuse tube thread sleeve is sleeved on the outer side of the integrated metal body and correspondingly contacts with the diode mechanical structural part.
Through adopting above-mentioned technical scheme, the fuse tube swivel nut is located the integration metal body outside just correspond the contact in diode mechanical structure spare, promptly: the diode mechanical structural part clamps the strong surge voltage induced by the fast-edge strong transient electromagnetic pulse to the characteristic clamping voltage level of the diode and discharges the surge current to the ground, so that the energy of the fast-edge strong transient electromagnetic pulse is reduced to the range which can be borne by rear-end equipment, and the protection effect of the fast-edge strong transient electromagnetic pulse is achieved.
The utility model discloses further set up to: the integrated metal body, the first radio frequency coaxial transmission line, the first inductive mechanical structural part, the first capacitive mechanical structural part, the second inductive mechanical structural part, the second radio frequency coaxial transmission line, the third capacitive mechanical structural part, the fourth capacitive mechanical structural part and the third radio frequency coaxial transmission line are coaxially and concentrically assembled.
By adopting the technical scheme, the coaxial and concentric assembly is adopted, so that the reliability of the device is improved, and higher performance is obtained.
To sum up, the utility model discloses following beneficial effect has:
1. the short stub of the inductive mechanical structural part is connected with the metal integrated metal body to form a short circuit structure, a thunder electromagnetic pulse absorption and discharge path is formed, and the short stub has the remarkable function of a slow-edge strong transient electromagnetic pulse (such as thunder electromagnetic pulse) absorption suppression circuit;
2. the diode mechanical structure is connected in parallel between the radio frequency coaxial transmission line and the integrated metal body, and plays a role in protecting fast-edge strong transient electromagnetic pulses (such as nuclear electromagnetic pulses or high-power microwave pulses).
3. The inductor and the capacitor with any specific lumped parameter characteristic are not used, and any surge current absorbing device such as a gas discharge tube or a piezoresistor is not used;
4. the shape is the cylinder form, and the mechanism is exquisite, uses with the coaxial connection conversion port cooperation of radio frequency, makes things convenient for this protector to install in all kinds of ultra wide band radio frequency links, plays the invasion and the damage protection of all kinds of harmful (fast edge or slow edge) transient state strong electromagnetic pulse to the coaxial device of sensitive radio frequency.
Drawings
FIG. 1 is a schematic view of the structure of an integrated guard of embodiment 1;
FIG. 2 is a schematic equivalent circuit diagram of the integrated guard of embodiment 1;
FIG. 3 is an equivalent circuit schematic diagram of the integrated guard of embodiment 1;
FIG. 4 is a schematic structural view of the housing of the integrated guard of embodiment 1;
FIG. 5 is a schematic view of the structure of the integrated guard of embodiment 2;
fig. 6 is a schematic structural view of the integrated guard of embodiment 3.
In the figure, 10, an integral metal body; 111. a first radio frequency coaxial connection conversion port; 112. the second radio frequency coaxial connection conversion port; 12. a fuse tube thread insert; 131. a first inductive mechanical structure; 132. a second inductive mechanical structure; 133. a third inductive mechanical structure; 134. a fourth inductive mechanical structure; 141. a first radio frequency coaxial transmission line; 142. a second radio frequency coaxial transmission line; 143. a third radio frequency coaxial transmission line; 15. a diode mechanical structure; 151. an equivalent diode; 161. a first capacitive mechanical structure; 162. a second capacitive mechanical structure; 163. a third capacitive mechanical structure; 164. a fourth capacitive mechanical structure; 171. a first equivalent inductance; 172. a second equivalent inductor; 181. a first equivalent capacitor; 182. a second equivalent capacitor; 191. a first distributed capacitance; 192. a second distributed capacitance; 193. a third distributed capacitance; 194. a fourth distributed capacitor; 195. and fifth distributing capacitance.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1: a radio frequency coaxial strong transient electromagnetic pulse comprehensive protection device is shown in fig. 1, and includes an integrated metal body 10, a first capacitive mechanical structural component 161 and a second capacitive mechanical structural component 162 which are directly contacted are arranged in the middle of a cavity of the integrated metal body 10, a first inductive mechanical structural component 131 is arranged on the left side of the first capacitive mechanical structural component 161, the left side of the first inductive mechanical structural component 131 is directly connected with a first radio frequency coaxial transmission line 141, a second inductive mechanical structural component 132 is arranged on the right side of the second capacitive mechanical structural component 162, a second radio frequency coaxial transmission line 142 is arranged on the right side of the second inductive mechanical structural component 132, a third capacitive mechanical structural component 163 and a fourth capacitive mechanical structural component 164 which are directly contacted are arranged on the right side of the second radio frequency coaxial transmission line 142, a third radio frequency coaxial transmission line 143 is directly connected to the right side of the fourth capacitive mechanical structural component 164, the lower surface of the second rf coaxial transmission line 142 near one end of the third capacitive mechanical structure 163 is directly connected to the diode mechanical structure 15.
As shown in fig. 2, the first inductive mechanical structure 131 is itself equivalent to a first equivalent inductor 171, the second inductive mechanical structure 132 is itself equivalent to a second equivalent inductor 172, the diode mechanical structure 15 is itself equivalent to an equivalent diode 151, a suitable dielectric may be filled between the contact surfaces of the first capacitive mechanical structure 161 and the second capacitive mechanical structure 162 to form a first equivalent capacitor 181, a suitable dielectric may be filled between the contact surfaces of the third capacitive mechanical structure 163 and the fourth capacitive mechanical structure 164 to form a second equivalent capacitor 182, a first distributed capacitor 191 is formed between the first capacitive mechanical structure 161 and the integrated metal body 10, a second distributed capacitor 192 is formed between the second capacitive mechanical structure 162 and the integrated metal body 10, a third distributed capacitor 193 is formed between the first inductive mechanical structure 131 and the integrated metal body 10, and a fourth distributed capacitor 194 is formed between the second inductive mechanical structure 132 and the integrated metal body 10, a fifth distributed capacitor 195 is formed between the second rf coaxial transmission line 142 and the unitary metal body 10.
As shown in fig. 3, the first equivalent inductor 171, the second equivalent inductor 172, the first equivalent capacitor 181, the second equivalent capacitor 182, the first distributed capacitor 191, the second distributed capacitor 192, the third distributed capacitor 193, the fourth distributed capacitor 194, and the fifth distributed capacitor 195 together form a radio frequency microwave signal frequency-selecting network and an impedance matching network, which are equivalent to a' LC high-pass filter as a whole, and the operating bandwidth and the radio frequency performance parameters of the whole device are determined by the internal structure.
The radio frequency coaxial transmission line, the capacitive mechanical structural part, the inductive mechanical structural part and the integrated metal body 10 are directly connected to form a direct current short circuit and equipotential structure (short circuit protection structure for short), and slow-edge strong electromagnetic pulses (such as thunder electromagnetic pulses) can be effectively restrained and absorbed. When a slow-edge strong electromagnetic pulse such as a thunder electromagnetic pulse appears on the coaxial transmission line, the short-circuit protection structure directly short-circuits the radio-frequency coaxial transmission line and the integrated metal body 10 into a whole to form an equipotential structure, and transmits the slow-edge strong electromagnetic pulse (such as the thunder electromagnetic pulse) to the cavity, so that the peak of the transient slow-edge strong electromagnetic pulse voltage between the radio-frequency coaxial transmission line and the cavity is effectively limited within a certain range (such as lower than 10 VDC); effectively protecting the back-end facilities from the impact of slow-edge strong transient electromagnetic pulses (such as thunder electromagnetic pulses).
A diode mechanical structural part 15 with picosecond-level response speed is arranged in the middle, the diode mechanical structural part is equivalent to a diode, a parallel radio frequency coaxial transmission line and an integrated metal body 10 form a peak clamping circuit of a fast-edge strong transient electromagnetic pulse at nanosecond level and below, when the fast-edge strong transient electromagnetic pulse is induced on the radio frequency coaxial transmission line, transient strong surge voltage and current can be generated, a diode stack acts to clamp the strong surge voltage induced by the fast-edge strong transient electromagnetic pulse to the characteristic clamping voltage level of the diode and discharges the surge current to the ground, so that the energy of the fast-edge strong transient electromagnetic pulse is reduced to the range which can be borne by rear-end equipment, and the protection effect of the fast-edge strong transient electromagnetic pulse (such as nuclear electromagnetic pulse and high-power microwave pulse) is achieved.
As shown in fig. 4, the integrated metal body further includes a first rf coaxial connection switching port 111 and a second rf coaxial connection switching port 112, where the first rf coaxial connection switching port 111 is disposed at the input end of the integrated metal body 10 and is used to fasten the first rf coaxial transmission line 141; the second rf coaxial connection conversion port 112 is disposed at the output end of the integrated metal body 10, and is used for fastening the third rf coaxial transmission line 143. The diode fuse structure further comprises a fuse tube threaded sleeve 12 which is sleeved outside the integrated metal body 10 and correspondingly contacts with the diode mechanical structure member 15.
Preferably, the characteristic impedance of the first rf coaxial connection converting port 111 and the second rf coaxial connection converting port 112 is 50 ohms; the first radio frequency coaxial connection conversion port 111 and the second radio frequency coaxial connection conversion port 112 adopt flange plate fixing, extrusion tight-fitting crimping or thread matching processes; o-shaped waterproof conductive rubber rings are arranged between the first radio frequency coaxial connection conversion port 111 and the second radio frequency coaxial connection conversion port 112 and the integrated metal body 10.
Preferably, the integrated metal body 10 has a frequency resonance characteristic of 300MHz-18 GHz; the integrated metal body 10, the first rf coaxial transmission line 141, the first inductive mechanical structure 131, the first capacitive mechanical structure 161, the second capacitive mechanical structure 162, the second inductive mechanical structure 132, the second rf coaxial transmission line 142, the third capacitive mechanical structure 163, the fourth capacitive mechanical structure 164, and the third rf coaxial transmission line 143 are coaxially and concentrically assembled. The appearance of the protection device is determined by installation and use occasions, the protection device can be in the form of a flange disc or a wall penetrating structure and the like, a cylinder is preferably selected, the protection device is exquisite, compact, simple and convenient to use, is matched with a radio frequency coaxial connection conversion port, is convenient to install in various ultra wide band radio frequency links, can effectively inhibit the damage of thunder and lightning electromagnetic pulses only by being installed at the connection part of a feed cable and equipment of wireless equipment, ensures the all-weather work of the wireless equipment, and plays a role in thunder and lightning electromagnetic pulse protection on a sensitive radio frequency coaxial device.
The utility model discloses a protector, inside accurate mechanical structure all can adopt the structure realization of symmetry or asymmetry, first perception mechanical structure 131 and second perception mechanical structure 132 can adopt forms such as plane, circumference symmetry or asymmetric curve and stub, and first capacitive mechanical structure 161, second capacitive mechanical structure 162, third capacitive mechanical structure 163 and fourth capacitive mechanical structure 164 can adopt cylindric or suitable area's disc slice, forms such as cylindrical hollow pipe box to with effective dielectric.
Example 2: as shown in fig. 5, the difference from embodiment 1 is that the first capacitive mechanical structure 161 and the second capacitive mechanical structure 162 are removed to form a simple fast-edge strong transient electromagnetic pulse protection module, which has a protection structure reconfiguration function.
Example 3: as shown in fig. 6, the difference from the embodiment 1 is that a third inductive mechanical structure 133 and a fourth inductive mechanical structure 134 are further included, the third inductive mechanical structure 133 is disposed between the third capacitive mechanical structure 163 and the second rf coaxial transmission line 142, and the fourth inductive mechanical structure 134 is disposed between the fourth capacitive mechanical structure 164 and the third rf coaxial transmission line 143; form a two-stage cascade reciprocal symmetrical comprehensive protection device.
Common inductive elements are inductors and capacitive elements are capacitors. The inductive mechanical structural part is used for realizing the function of an inductor device by using a precise mechanical structure, the capacitive mechanical structural part is used for realizing the function of a capacitor device by using the precise mechanical structure, and the diode mechanical structural part is used for realizing the function of a diode device by using the precise mechanical structure.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.
Claims (9)
1. The utility model provides a coaxial strong transient state electromagnetic pulse of radio frequency synthesizes protector, characterized by: the antenna comprises an integrated metal body (10), a first capacitive mechanical structural part (161) and a second capacitive mechanical structural part (162) which are in direct contact are arranged in the middle of a cavity of the integrated metal body (10), a first inductive mechanical structural part (131) is arranged on the left side of the first capacitive mechanical structural part (161), the left side of the first inductive mechanical structural part (131) is directly connected with a first radio frequency coaxial transmission line (141), a second inductive mechanical structural part (132) is arranged on the right side of the second capacitive mechanical structural part (162), a second radio frequency coaxial transmission line (142) is arranged on the right side of the second inductive mechanical structural part (132), a third capacitive mechanical structural part (163) and a fourth capacitive mechanical structural part (164) which are in direct contact are arranged on the right side of the second radio frequency coaxial transmission line (142), and a third radio frequency coaxial transmission line (143) is directly connected to the right side of the fourth capacitive mechanical structural, the lower surface of one end, close to the third capacitive mechanical structure part (163), of the second radio-frequency coaxial transmission line (142) is directly connected with the diode mechanical structure part (15).
2. The radio frequency coaxial strong transient electromagnetic pulse comprehensive protector as claimed in claim 1, characterized in that: the antenna further comprises a third inductive mechanical structure (133) and a fourth inductive mechanical structure (134), wherein the third inductive mechanical structure (133) is arranged between the third capacitive mechanical structure (163) and the second radio frequency coaxial transmission line (142), and the fourth inductive mechanical structure (134) is arranged between the fourth capacitive mechanical structure (164) and the third radio frequency coaxial transmission line (143).
3. The radio frequency coaxial strong transient electromagnetic pulse comprehensive protector as claimed in claim 1, characterized in that: the integrated metal body (10) has a frequency resonance characteristic of 300MHz-18 GHz.
4. The radio frequency coaxial strong transient electromagnetic pulse comprehensive protector as claimed in claim 1, characterized in that: the integrated metal body is characterized by further comprising a first radio frequency coaxial connection conversion port (111) and a second radio frequency coaxial connection conversion port (112), wherein the first radio frequency coaxial connection conversion port (111) is arranged at the input end of the integrated metal body (10) and used for fastening the first radio frequency coaxial transmission line (141); the second radio frequency coaxial connection conversion port (112) is arranged at the output end of the integrated metal body (10) and used for fastening the third radio frequency coaxial transmission line (143).
5. The radio frequency coaxial strong transient electromagnetic pulse comprehensive protector as claimed in claim 4, characterized in that: the characteristic impedance of the first radio frequency coaxial connection conversion port (111) and the second radio frequency coaxial connection conversion port (112) is 50 ohms.
6. The radio frequency coaxial strong transient electromagnetic pulse comprehensive protector as claimed in claim 4, characterized in that: the first radio frequency coaxial connection conversion port (111) and the second radio frequency coaxial connection conversion port (112) are fixed by a flange plate, pressed and tightly matched in compression joint or matched in threads.
7. The radio frequency coaxial strong transient electromagnetic pulse comprehensive protector as claimed in claim 4, characterized in that: o-shaped waterproof conductive rubber rings are arranged between the first radio frequency coaxial connection conversion port (111) and the second radio frequency coaxial connection conversion port (112) and the integrated metal body (10).
8. The radio frequency coaxial strong transient electromagnetic pulse comprehensive protector as claimed in claim 1, characterized in that: the diode fuse structure is characterized by further comprising a fuse tube threaded sleeve (12) which is sleeved on the outer side of the integrated metal body (10) and correspondingly contacted with the diode mechanical structural part (15).
9. The radio frequency coaxial strong transient electromagnetic pulse comprehensive protector as claimed in claim 1, characterized in that: the integrated metal body (10), the first radio frequency coaxial transmission line (141), the first inductive mechanical structural part (131), the first capacitive mechanical structural part (161), the second capacitive mechanical structural part (162), the second inductive mechanical structural part (132), the second radio frequency coaxial transmission line (142), the third capacitive mechanical structural part (163), the fourth capacitive mechanical structural part (164) and the third radio frequency coaxial transmission line (143) are coaxially and concentrically assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921617685.9U CN210350782U (en) | 2019-09-26 | 2019-09-26 | Radio frequency coaxial strong transient electromagnetic pulse comprehensive protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921617685.9U CN210350782U (en) | 2019-09-26 | 2019-09-26 | Radio frequency coaxial strong transient electromagnetic pulse comprehensive protection device |
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| Publication Number | Publication Date |
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| CN210350782U true CN210350782U (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921617685.9U Active CN210350782U (en) | 2019-09-26 | 2019-09-26 | Radio frequency coaxial strong transient electromagnetic pulse comprehensive protection device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556804A (en) * | 2019-09-26 | 2019-12-10 | 深圳市速联技术有限公司 | Radio frequency coaxial strong transient electromagnetic pulse comprehensive protection device |
| CN111786735B (en) * | 2020-06-28 | 2021-04-13 | 深圳市速联技术有限公司 | Ultra-wideband radio frequency coaxial strong electromagnetic pulse protection method and device |
-
2019
- 2019-09-26 CN CN201921617685.9U patent/CN210350782U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110556804A (en) * | 2019-09-26 | 2019-12-10 | 深圳市速联技术有限公司 | Radio frequency coaxial strong transient electromagnetic pulse comprehensive protection device |
| CN110556804B (en) * | 2019-09-26 | 2024-06-07 | 深圳市速联技术有限公司 | Comprehensive protective device for radio frequency coaxial strong transient electromagnetic pulse |
| CN111786735B (en) * | 2020-06-28 | 2021-04-13 | 深圳市速联技术有限公司 | Ultra-wideband radio frequency coaxial strong electromagnetic pulse protection method and device |
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