CN214674329U - Two-in-one lightning protection device with large-current integrated power supply network - Google Patents
Two-in-one lightning protection device with large-current integrated power supply network Download PDFInfo
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Abstract
The utility model discloses a two unification lightning protection devices with big through-flow integrated power network, these two unification lightning protection devices include shell and circuit board, be provided with the lightning protection circuit on the circuit board, the lightning protection circuit has power input end CN1, power output end CN3, control signal input and control signal output, power input end CN1 and power output end CN3 all set up live wire end L, ground wire end PE, zero line end N, the lightning protection circuit still includes power supply circuit and network signal circuit. The utility model discloses two unification lightning protection devices of big through-flow integrated power network is according to the special lightning protection device of the lightning protection requirement in IEC, the GB standard specification and the specific characteristics of monitored control system camera tailor-made, is applicable to the lightning protection (surge) protection of the power of fixed camera, infrared all-in-one etc. in the monitored control system, network line. The lightning protection device integrates a power source lightning protection device and a network signal line lightning protection device, each part adopts a multi-stage cascade dynamic structural design, and the lightning protection device has a multi-stage protection function.
Description
Technical Field
The utility model relates to a lightning protection device, specific saying so relates to a two unification lightning protection devices with big through-flow integrated power network.
Background
At present, security has become a key focus of science and technology industry, and the current development situation can be said to be day-to-day, and in the general definition, a security system is composed of five major parts: perimeter alarm systems, video surveillance systems, visual intercom systems, user alarm systems, and electronic patrol systems. The video monitoring system is the most important component of the security system and is also the key point of the security system, and the scale of the video monitoring system occupies the half-wall river mountain of the security industry. The monitoring camera is the most important component in the video monitoring industry chain, is the largest expenditure category of the video monitoring market, and accounts for 64.3% of the whole market expenditure.
The video monitoring system mainly comprises a front-end system, a terminal system, a transmission system and a monitoring center. The front-end system generally refers to front-end cameras (high-speed balls, pan-tilt cameras, network cameras and common cameras), if the cameras are distributed outdoors, outdoor wiring is several meters to hundreds of meters, the cameras are the most likely to be objects attacked by thunder and lightning, and after the thunder and lightning attacks the front-end system or nearby areas, lightning electromagnetic pulses can directly pass through a transmission system to reach a monitoring center, so that the monitoring center is seriously damaged. The general camera all is that 24 hours are opened, so is very dangerous in the thunderstorm day, and this moment just needs two unification lightning protection devices.
However, with the explosive development of the video monitoring system, the monitoring cameras have been widely applied to the places such as highways, financial systems, military, traffic monitoring and the like, and the monitoring cameras in these places are mostly independently arranged in an open area and have relatively high height, so that the probability and amplitude of lightning stroke suffered by the monitoring cameras are increased. The existing power supply network two-in-one lightning protection device for the monitoring system on the market has the advantages that the maximum lightning surge current which can be borne by a power supply part is 10kA (8/20 mu s), the maximum lightning surge current which can be borne by a network signal part is 2.5kA (8/20 mu s) and 5kV/2.5kA (1.2/50 mu s &8/20 mu s combined waves), and the tolerance capability cannot meet the requirement of an outdoor independently-arranged monitoring camera on the lightning protection level.
SUMMERY OF THE UTILITY MODEL
To the not enough among the prior art, the to-be-solved technical problem of the utility model lies in providing a two unification lightning protection devices with big through-flow integrated power network, the purpose of designing this lightning protection device is the lightning protection performance who improves the lightning protection device.
In order to solve the technical problem, the utility model discloses a following scheme realizes: the utility model discloses a two unification lightning protection devices with big through-flow integrated power network, this two unification lightning protection devices include the shell and locate the circuit board in the shell, be provided with the lightning protection circuit on the circuit board, the lightning protection circuit has power input end CN1, power output end CN3, control signal input and control signal output, power input end CN1 and power output end CN3 all set up live wire end L, ground wire end PE, zero line end N, the lightning protection circuit still includes:
a power circuit, which comprises a temperature fuse F1, an inductor L1, an inductor L2, a first piezoresistor MOV1, a second piezoresistor MOV2, a third piezoresistor MOV3, a resistor R1, a rectifier diode D1, a light emitting diode LED1 and a gas discharge tube GDT1, wherein one end of the temperature fuse F1 is connected to the live wire end L of the power input terminal CN1, the other end thereof is connected to the inductor L1, the first piezoresistor MOV1 and the third piezoresistor MOV3 respectively, the other end of the inductor L1 is connected to one end of the resistor R1 and the live wire end L of the power output terminal CN3, the other end of the resistor is connected to the anode of the rectifier diode D1, the cathode of the rectifier diode D1 is connected to the anode of the light emitting diode LED1, the other end of the first piezoresistor MOV1 is connected to the second piezoresistor MOV2 and the gas discharge tube GDT1 respectively, the other end of the second piezoresistor MOV2 is connected to a neutral terminal N of the power input end CN1, the other end of the third piezoresistor MOV3 and an inductor L2, the other end of the inductor L2 is connected to the cathode of the light-emitting diode LED1 and the neutral terminal N of the power output end CN3, and a ground terminal PE of the power input end CN1 and a ground terminal PE of the power output end CN3 are connected in parallel to each other to the other end of the gas discharge tube GDT 1;
a network signal circuit, which comprises a network input terminal RJ1, a network output terminal RJ2, four gas discharge tubes, a network transformer G1, a transient suppression diode TVS1 and a transient suppression diode TVS2, wherein the network input terminal RJ1 and the network output terminal RJ2 are respectively provided with 8PIN PINs, the four gas discharge tubes are respectively and independently connected between 1 PIN and 2 PINs, between 3 PINs and 6 PINs, between 4 PINs and 5 PINs, and between 7 PINs and 8 PINs of the network input terminal RJ1, the grounding PINs of the four gas discharge tubes are connected with each other and connected to the grounding terminal PE of the power input terminal CN1, the 8PIN of the network input terminal RJ1 is connected to the input end of the network transformer G1, the output end of the network transformer G1 is respectively connected with the transient suppression diode TVS1 and the transient suppression diode TVS2, the other four PINs of the transient suppression diode TVS1 are connected to four PINs of the network output terminal RJ2, the other four PIN legs of the transient suppression diode TVS2 are connected to the other four PIN legs of the network output terminal RJ 2.
Further, the connection structure between each pin of the network input terminal RJ1 and the pin on the network transformer is:
1 pin of the network input terminal RJ1 is connected with TD1+ pin of the network transformer G1;
2 pins of the network input terminal RJ1 are connected with TD 1-pin of the network transformer G1;
3 pins of the network input terminal RJ1 are connected with TD2+ pin of the network transformer G1;
the 4 pins of the network input terminal RJ1 are connected with the TD3+ pin of the network transformer G1;
5 pins of the network input terminal RJ1 are connected with TD 3-pin of the network transformer G1;
the 6 pins of the network input terminal RJ1 are connected with the TD 2-pin of the network transformer G1;
the 7 pins of the network input terminal RJ1 are connected with the TD4+ pin of the network transformer G1;
the 8-pin of the network input terminal RJ1 is connected to the TD 4-pin of the network transformer G1.
Further, the connections of the output pin of the network transformer G1 and the transient suppression diode TVS1 and TVS2 are:
the MX1+ pin of the network transformer G1 is connected to the 1 pin of the transient suppression diode TVS 1;
the MX 1-pin of the network transformer G1 is connected to the 2 pins of the transient suppression diode TVS 1;
the MX2+ pin of the network transformer G1 is connected to the 3 pins of the transient suppression diode TVS 1;
the MX 2-pin of the network transformer G1 is connected to the 4 pins of the transient suppression diode TVS 1;
the MX3+ pin of the network transformer G1 is connected to the 1 pin of the transient suppression diode TVS 2;
the MX 3-pin of the network transformer G1 is connected to the 2 pins of the transient suppression diode TVS 2;
the MX4+ pin of the network transformer G1 is connected to the 3 pins of the transient suppression diode TVS 2;
the MX 4-pin of the network transformer G1 is connected to the 4-pin of the transient suppression diode TVS 2.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses two unification lightning protection devices of big through-flow integrated power network is according to the special lightning protection device of the lightning protection requirement in IEC, the GB standard specification and the specific characteristics of monitored control system camera tailor-made, is applicable to the lightning protection (surge) protection of the power of fixed camera, infrared all-in-one etc. in the monitored control system, network line. The lightning protection device integrates a power source lightning protection device and a network signal line lightning protection device, each part adopts a multi-stage cascade dynamic structural design, and the lightning protection device has a multi-stage protection function. The maximum lightning surge current which can be borne by the power supply part can reach 20kA (8/20 mu s), the maximum lightning surge current which can be borne by the network signal part can reach 3kA (8/20 mu s) and 6kV/3kA (6 kV/3kA when the combined wave of 1.2/50 mu s &8/20 mu s is calculated), and the lightning protection requirement of the monitoring camera which is independently arranged outdoors is met.
The utility model discloses the lightning protection device has following several advantages on saving production resource and improving customer use comfort:
scalability of maximum continuous operation voltage (power supply part): the maximum continuous operation voltage range of 12V-505V DC and 220V-385V AC is supported, and the universality is strong.
Scalability of current capacity (power supply part): the power supply part supports the current capacity range of 0-20kA (8/20 mu s), and meets the requirement of customers for large current capacity.
Scalability of current capacity (network signal part): the network signal part supports the maximum impact current range of 0-3kA (8/20 mu s) and 0-6kV/3kA (1.2/50 mu s &8/20 mu s combined wave), and meets the requirement of a client on large flow capacity.
Low residual voltage and strong anti-interference capability (network signal part): when the differential mode is impacted by a combined wave of 1.2/50 mus &8/20 mus, namely 2kV/1kA, the residual voltage is not more than 50V, and the signal transmission has strong anti-jamming capability.
Real-time monitoring, second-level alarming: and monitoring the running state of the lightning protector in real time, and alarming at a second level through a working state indication window after the lightning protector is abnormally damaged.
Drawings
Fig. 1 is the lightning protection circuit diagram of the present invention.
Fig. 2 is a power circuit diagram of the present invention.
Fig. 3 is a circuit diagram of the network signal of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making more clear and definite definitions of the protection scope of the present invention. It is obvious that the described embodiments of the invention are only some of the embodiments of the invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1: the utility model discloses a concrete structure as follows:
please refer to fig. 1-3, the utility model discloses a two unification lightning protection devices with big through-flow integrated power network, this two unification lightning protection devices include the shell and locate the circuit board in the shell, be provided with lightning protection circuit on the circuit board, lightning protection circuit has power input end CN1, power output end CN3, control signal input and control signal output, power input end CN1 and power output end CN3 all set up live wire end L, ground wire end PE, zero line end N, lightning protection circuit still includes:
a power circuit, which comprises a temperature fuse F1, an inductor L1, an inductor L2, a first piezoresistor MOV1, a second piezoresistor MOV2, a third piezoresistor MOV3, a resistor R1, a rectifier diode D1, a light emitting diode LED1 and a gas discharge tube GDT1, wherein one end of the temperature fuse F1 is connected to the live wire end L of the power input terminal CN1, the other end thereof is connected to the inductor L1, the first piezoresistor MOV1 and the third piezoresistor MOV3 respectively, the other end of the inductor L1 is connected to one end of the resistor R1 and the live wire end L of the power output terminal CN3, the other end of the resistor is connected to the anode of the rectifier diode D1, the cathode of the rectifier diode D1 is connected to the anode of the light emitting diode LED1, the other end of the first piezoresistor MOV1 is connected to the second piezoresistor MOV2 and the gas discharge tube GDT1 respectively, the other end of the second piezoresistor MOV2 is connected to a neutral terminal N of the power input end CN1, the other end of the third piezoresistor MOV3 and an inductor L2, the other end of the inductor L2 is connected to the cathode of the light-emitting diode LED1 and the neutral terminal N of the power output end CN3, and a ground terminal PE of the power input end CN1 and a ground terminal PE of the power output end CN3 are connected in parallel to each other to the other end of the gas discharge tube GDT 1;
a network signal circuit, which comprises a network input terminal RJ1, a network output terminal RJ2, four gas discharge tubes, a network transformer G1, a transient suppression diode TVS1 and a transient suppression diode TVS2, wherein the network input terminal RJ1 and the network output terminal RJ2 are respectively provided with 8PIN PINs, the four gas discharge tubes are respectively and independently connected between 1 PIN and 2 PINs, between 3 PINs and 6 PINs, between 4 PINs and 5 PINs, and between 7 PINs and 8 PINs of the network input terminal RJ1, the grounding PINs of the four gas discharge tubes are connected with each other and connected to the grounding terminal PE of the power input terminal CN1, the 8PIN of the network input terminal RJ1 is connected to the input end of the network transformer G1, the output end of the network transformer G1 is respectively connected with the transient suppression diode TVS1 and the transient suppression diode TVS2, the other four PINs of the transient suppression diode TVS1 are connected to four PINs of the network output terminal RJ2, the other four PIN legs of the transient suppression diode TVS2 are connected to the other four PIN legs of the network output terminal RJ 2.
A preferred technical solution of this embodiment: the connection structure between each pin of the network input terminal RJ1 and the pin on the network transformer is as follows:
1 pin of the network input terminal RJ1 is connected with TD1+ pin of the network transformer G1;
2 pins of the network input terminal RJ1 are connected with TD 1-pin of the network transformer G1;
3 pins of the network input terminal RJ1 are connected with TD2+ pin of the network transformer G1;
the 4 pins of the network input terminal RJ1 are connected with the TD3+ pin of the network transformer G1;
5 pins of the network input terminal RJ1 are connected with TD 3-pin of the network transformer G1;
the 6 pins of the network input terminal RJ1 are connected with the TD 2-pin of the network transformer G1;
the 7 pins of the network input terminal RJ1 are connected with the TD4+ pin of the network transformer G1;
the 8-pin of the network input terminal RJ1 is connected to the TD 4-pin of the network transformer G1.
A preferred technical solution of this embodiment: the connections of the output pin of the network transformer G1 and the transient suppression diode TVS1 and TVS2 are:
the MX1+ pin of the network transformer G1 is connected to the 1 pin of the transient suppression diode TVS 1;
the MX 1-pin of the network transformer G1 is connected to the 2 pins of the transient suppression diode TVS 1;
the MX2+ pin of the network transformer G1 is connected to the 3 pins of the transient suppression diode TVS 1;
the MX 2-pin of the network transformer G1 is connected to the 4 pins of the transient suppression diode TVS 1;
the MX3+ pin of the network transformer G1 is connected to the 1 pin of the transient suppression diode TVS 2;
the MX 3-pin of the network transformer G1 is connected to the 2 pins of the transient suppression diode TVS 2;
the MX4+ pin of the network transformer G1 is connected to the 3 pins of the transient suppression diode TVS 2;
the MX 4-pin of the network transformer G1 is connected to the 4-pin of the transient suppression diode TVS 2.
Example 2, implementation of maximum continuous operation voltage scalability (power supply part):
the traditional power network two-in-one lightning arrester is limited by the small size of a universal shell mould, and only can use small volume, namely voltage-dependent voltage (U)1mA) The maximum continuous operation voltage of the small piezoresistor and the small maximum continuous operation voltage can only reach 350V direct current and 220V alternating current; only a small distance exists between the piezoresistor and the metal shell, so that the piezoresistor is very easy to break down to discharge to the shell when lightning current impacts, and potential safety hazards are increased; the small-sized wiring terminals can be used only due to the small size of the shell and the small hole positions of the wiring terminals, and the rated voltage value can only reach 300V. The utility model discloses big through-flow integrated power network two-in-one lightning protection device, the shell independently opens the mould, has increased the inside volume of lightning protection device, makes the lightning protection device can use piezoresistor and gas discharge tube that the volume is bigger; the hole site of the wiring terminal at the shell baffle is increased, so that the lightning protection device can use a medium-sized wiring terminal, and the rated voltage can reach 600V. The large-current integrated power network two-in-one lightning arrester power supply part itself consists of piezoresistors MOV1, MOV2, MOV3 and gas discharge tube GDT1 (as shown in the schematic diagram of the large-current integrated power network two-in-one lightning arrester power supply part), and different voltage-sensitive voltages (U) are configured1mA) The piezoresistors MOV1, MOV2, MOV3 and gas discharge tube GDT1 can expand the maximum continuous operation voltage of the lightning arrester, and support the maximum continuous operation voltage range of 12V-505V DC and 220V-385V AC. And enough distance is reserved between the piezoresistor, the gas discharge tube and the metal shell, so that the hidden danger that the piezoresistor or the gas discharge tube discharges to the shell when lightning current impacts is avoided.
Example 3, implementation of scalability of current capability (power supply part):
the traditional power network two-in-one lightning protection device is limited by the small size of a universal shell die, the low impact tolerance value of a wiring terminal and the thin copper foil of a circuit board, the through-current capacity of a power supply part can only reach 10kA (8/20 mu s), and the power supply part cannot bear multiple maximum impact currents. The utility model discloses big through-flow integrated power network two-in-one lightning protection device, the shell independently opens the mould, has increased the internal volume of lightning protection device, can put into the piezoresistor and the gas discharge tube that the volume is bigger, the discharge capacity is higher; the hole position of the wiring terminal at the baffle of the shell is enlarged, and the wiring terminal which can bear 30kA (8/20 mu s) at most can be used; the thickness and the width of the copper foil of the PCB are increased, the thickness is 2 ounces, and the width is 4mm, so that the through-current capacity of the circuit of the PCB is greatly improved. Through the improvement, the varistors MOV1, MOV2, MOV3 and gas discharge tube GDT1 with different current capacities are configured, so that the current capacity of the lightning arrester can be expanded to 20kA (8/20 mu s) at most.
Example 4: realization of scalability of current capacity (network signal part):
the traditional power network two-in-one lightning protection device is limited by the small size of a universal shell mould and the thin copper foil of a circuit board, and the through-current capacity of a network signal part can only reach 2.5kA (8/20 mu s) and 5kV/2.5kA (1.2/50 mu s &8/20 mu s combined wave). The utility model discloses big through-flow integrated power network two-in-one lightning protection device, the shell is independent die sinking, has increased the internal volume of lightning protection device, can put into the gas discharge tube that the volume is bigger, the discharge capacity is higher; the thickness of the copper foil of the PCB is increased to 2 ounces, and the through-current capacity of the circuit of the PCB is greatly improved. Through the improvement, the gas discharge tubes GDT2, GDT3, GDT4 and GDT5 with different current capacities are configured, the current capacity of the lightning arrester can be expanded, and can reach 3kA (8/20 mu s) and 6kV/3kA (1.2/50 mu s &8/20 mu s combined waves) to the maximum (the current capacity of the existing RJ45 terminal can only reach 3kA to the maximum, the RJ45 terminal is not connected, and the current capacity of the lightning arrester can reach 10kV/5kA when calculated by the combined waves of 1.2/50 mu s &8/20 mu s).
Example 5: low residual voltage and strong anti-interference capability (network signal part):
the utility model discloses two unification lightning protection devices of big circulation integrated power network, network signal part differential mode adopts two-stage safeguard measure, gas discharge tube GDT2 promptly, GDT3, GDT4, GDT5 is as first order protection, transient state restraines diode TVS1, TVS2 is as the second level protection, greatly reduced lightning protection device residual pressure, when 2kV 1kA is strikeed to combination wave at 1.2/50 mus &8/20 mus, the residual pressure all is not greater than 50V. The network transformer G1 is used before the two stages, so that the chip end is isolated from the outside, the anti-interference capability is greatly enhanced, and when the network ports with different levels are received, the mutual equipment cannot be influenced.
the traditional power network two-in-one lightning protection device is different from a modular power lightning protection device, no monitoring measure is taken for the working state of the lightning protection device, and even if the power supply part of the lightning protection device is damaged, no state display and alarm are available, so that a user can not find the lightning protection device, and the lightning protection potential safety hazard is increased. The utility model discloses two unification lightning protection devices of big circulation integrated power network has set up operating condition instruction window in shell baffle department, and operating condition is instructed by the inside emitting diode LED1 of lightning protection device. When the lightning protection device normally works, the light emitting diode LED1 works normally, the working state indicating window lights up green, and when the lightning protection device is damaged abnormally, the working state indicating lamp goes out. When a user patrols and examines the lightning protection device, the user only needs to check the working state indication of the lightning protection device to judge whether the lightning protection device is good or not, and the lightning stroke potential safety hazard is reduced.
To sum up, the utility model discloses two unification lightning protection devices of big through-flow integrated power network is according to the special lightning protection device of lightning protection requirement and the specific characteristics of monitored control system camera in IEC, the GB standard specification, is applicable to the lightning protection (surge) protection of power, network circuit of fixed camera, infrared all-in-one etc. among the monitored control system. The lightning protection device integrates a power source lightning protection device and a network signal line lightning protection device, each part adopts a multi-stage cascade dynamic structural design, and the lightning protection device has a multi-stage protection function. The maximum lightning surge current which can be borne by the power supply part can reach 20kA (8/20 mu s), the maximum lightning surge current which can be borne by the network signal part can reach 3kA (8/20 mu s) and 6kV/3kA (6 kV/3kA when the combined wave of 1.2/50 mu s &8/20 mu s is calculated), and the lightning protection requirement of the monitoring camera which is independently arranged outdoors is met.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (3)
1. The utility model provides a two unification lightning protection devices with big through-flow integrated power network, this two unification lightning protection devices include the shell and locate the circuit board in the shell, be provided with lightning protection circuit on the circuit board, lightning protection circuit has power input CN1, power output CN3, control signal input and control signal output, power input CN1 and power output CN3 all set up live wire end L, ground wire end PE, zero line end N, its characterized in that, lightning protection circuit still includes:
a power circuit, which comprises a temperature fuse F1, an inductor L1, an inductor L2, a first piezoresistor MOV1, a second piezoresistor MOV2, a third piezoresistor MOV3, a resistor R1, a rectifier diode D1, a light emitting diode LED1 and a gas discharge tube GDT1, wherein one end of the temperature fuse F1 is connected to the live wire end L of the power input terminal CN1, the other end thereof is connected to the inductor L1, the first piezoresistor MOV1 and the third piezoresistor MOV3 respectively, the other end of the inductor L1 is connected to one end of the resistor R1 and the live wire end L of the power output terminal CN3, the other end of the resistor is connected to the anode of the rectifier diode D1, the cathode of the rectifier diode D1 is connected to the anode of the light emitting diode LED1, the other end of the first piezoresistor MOV1 is connected to the second piezoresistor MOV2 and the gas discharge tube GDT1 respectively, the other end of the second piezoresistor MOV2 is connected to a neutral terminal N of the power input end CN1, the other end of the third piezoresistor MOV3 and an inductor L2, the other end of the inductor L2 is connected to the cathode of the light-emitting diode LED1 and the neutral terminal N of the power output end CN3, and a ground terminal PE of the power input end CN1 and a ground terminal PE of the power output end CN3 are connected in parallel to each other to the other end of the gas discharge tube GDT 1;
a network signal circuit, which comprises a network input terminal RJ1, a network output terminal RJ2, four gas discharge tubes, a network transformer G1, a transient suppression diode TVS1 and a transient suppression diode TVS2, wherein the network input terminal RJ1 and the network output terminal RJ2 are respectively provided with 8PIN PINs, the four gas discharge tubes are respectively and independently connected between 1 PIN and 2 PINs, between 3 PINs and 6 PINs, between 4 PINs and 5 PINs, and between 7 PINs and 8 PINs of the network input terminal RJ1, the grounding PINs of the four gas discharge tubes are connected with each other and connected to the grounding terminal PE of the power input terminal CN1, the 8PIN of the network input terminal RJ1 is connected to the input end of the network transformer G1, the output end of the network transformer G1 is respectively connected with the transient suppression diode TVS1 and the transient suppression diode TVS2, the other four PINs of the transient suppression diode TVS1 are connected to four PINs of the network output terminal RJ2, the other four PIN legs of the transient suppression diode TVS2 are connected to the other four PIN legs of the network output terminal RJ 2.
2. The two-in-one lightning protection device with a large-current integrated power network according to claim 1, wherein the pin connections of the network input terminals RJ1 and the pins on the network transformer are:
1 pin of the network input terminal RJ1 is connected with TD1+ pin of the network transformer G1;
2 pins of the network input terminal RJ1 are connected with TD 1-pin of the network transformer G1;
3 pins of the network input terminal RJ1 are connected with TD2+ pin of the network transformer G1;
the 4 pins of the network input terminal RJ1 are connected with the TD3+ pin of the network transformer G1;
5 pins of the network input terminal RJ1 are connected with TD 3-pin of the network transformer G1;
the 6 pins of the network input terminal RJ1 are connected with the TD 2-pin of the network transformer G1;
the 7 pins of the network input terminal RJ1 are connected with the TD4+ pin of the network transformer G1;
the 8-pin of the network input terminal RJ1 is connected to the TD 4-pin of the network transformer G1.
3. The two-in-one lightning protection device with large current integrated power supply network according to claim 1, wherein the connection between the output pin of the network transformer G1 and the transient suppression diode TVS1 and TVS2 is:
the MX1+ pin of the network transformer G1 is connected to the 1 pin of the transient suppression diode TVS 1;
the MX 1-pin of the network transformer G1 is connected to the 2 pins of the transient suppression diode TVS 1;
the MX2+ pin of the network transformer G1 is connected to the 3 pins of the transient suppression diode TVS 1;
the MX 2-pin of the network transformer G1 is connected to the 4 pins of the transient suppression diode TVS 1;
the MX3+ pin of the network transformer G1 is connected to the 1 pin of the transient suppression diode TVS 2;
the MX 3-pin of the network transformer G1 is connected to the 2 pins of the transient suppression diode TVS 2;
the MX4+ pin of the network transformer G1 is connected to the 3 pins of the transient suppression diode TVS 2;
the MX 4-pin of the network transformer G1 is connected to the 4-pin of the transient suppression diode TVS 2.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115225043A (en) * | 2022-07-27 | 2022-10-21 | 中国民航大学 | Electromagnetic protection circuit for low-noise amplifier of Beidou receiver |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115225043A (en) * | 2022-07-27 | 2022-10-21 | 中国民航大学 | Electromagnetic protection circuit for low-noise amplifier of Beidou receiver |
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