CN210183011U - Two unification lightning protection devices of network power - Google Patents
Two unification lightning protection devices of network power Download PDFInfo
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- CN210183011U CN210183011U CN201921453626.2U CN201921453626U CN210183011U CN 210183011 U CN210183011 U CN 210183011U CN 201921453626 U CN201921453626 U CN 201921453626U CN 210183011 U CN210183011 U CN 210183011U
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Abstract
The utility model discloses a network power supply two-in-one lightning protection device, which is provided with a power supply remote signaling end, a remote signaling common end, a network remote signaling end, a power supply lightning protection failure monitoring circuit, a power supply lightning protection circuit, a power supply remote signaling end and a remote signaling common end, a network lightning protection failure monitoring circuit, a network lightning protection circuit, a network remote signaling end and a remote signaling common end, and the power supply remote signaling end, the remote signaling common end and the network remote signaling end can all communicate with local equipment or remote equipment; the local equipment or the remote equipment can read the information of the power remote signaling end, the remote signaling public end and the network remote signaling end, can judge the working state of the lightning protection device, and can remind a worker to maintain in time when the lightning protection device works abnormally.
Description
Technical Field
The utility model belongs to the design field of lightning protection device especially relates to a two unification lightning protection devices of network power.
Background
The lightning protection equipment is manufactured by the network power supply two-in-one lightning protection device according to the characteristics of the monitoring system, integrates the power supply lightning protection device and the video circuit lightning protection device into a whole, adopts a multistage serial structure design for each part, is low in residual voltage and long in service life, and has a multistage protection function. The network power supply two-in-one lightning protection device integrates two lightning protection functions of network video signal lightning protection and power supply lightning protection, and is convenient for users to install and maintain.
In the existing market, most network power supply two-in-one lightning protection devices only have local power supply failure alarm (the network part has no failure monitoring function), and the mode has major risk defects: if the lightning protection device is in a normal working state, the state of the indicator light (a power supply part) must be observed on site or a professional instrument is used for testing, and the lightning protection device does not have a real-time monitoring function, so that great inconvenience is brought to maintenance, and great manpower and physical waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a two unification lightning protection devices of network power possesses long-range and local inefficacy monitoring function simultaneously.
In order to solve the above problem, the technical scheme of the utility model is that:
a network power supply two-in-one lightning protection device comprises:
the remote signaling device comprises a shell, a power supply remote signaling terminal, a remote signaling public terminal and a network remote signaling terminal, wherein the shell is at least provided with the power supply remote signaling terminal, the remote signaling public terminal and the network remote signaling terminal;
the power supply lightning protection circuit is arranged in the shell;
the network lightning protection circuit is arranged in the shell;
the power supply lightning protection failure monitoring circuit is close to the power supply lightning protection circuit and arranged in the shell; the signal inlet end of the power supply lightning protection failure monitoring circuit is connected with the power supply remote signaling end, and the signal outlet end of the power supply lightning protection failure monitoring circuit is connected with the remote signaling public end;
the network lightning protection failure monitoring circuit is close to the network lightning protection circuit and arranged in the shell; the signal inlet end of the network lightning protection failure monitoring circuit is connected with the network remote signaling end, and the signal outlet end of the network lightning protection failure monitoring circuit is connected with the remote signaling public end;
the power remote signaling end, the remote signaling public end and the network remote signaling end can be communicated with local equipment or remote equipment.
According to an embodiment of the present invention, the power lightning protection circuit includes two parallel voltage dependent resistors, each of which is connected in series with a temperature fuse;
the power supply lightning protection failure monitoring circuit comprises a power supply remote signaling fuse, and the power supply remote signaling fuse is tightly attached to the piezoresistor.
According to the utility model relates to an embodiment, network lightning protection circuit includes preceding stage bleeder circuit, back stage bleeder circuit.
According to an embodiment of the present invention, the pre-stage bleeder circuit comprises a gas discharge tube, and the post-stage bleeder circuit comprises a transient suppression diode and a rectifier bridge stack, wherein the transient suppression diode is connected in series to the rectifier bridge stack;
the network lightning protection failure monitoring circuit comprises a network remote signaling fuse, and the network remote signaling fuse is close to the gas discharge tube or the transient suppression diode.
According to the utility model discloses an embodiment, preceding stage bleeder circuit the back stage bleeder circuit all adopts noninductive resistance current-limiting.
The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:
1) the utility model discloses a network power supply two-in-one lightning protection device in an embodiment, owing to set up power telesignalling end, telesignalling public end, network telesignalling end, power lightning protection inefficacy monitoring circuit presses close to power lightning protection circuit, connects power telesignalling end and telesignalling public end, and network lightning protection inefficacy monitoring circuit presses close to network lightning protection circuit, connects network telesignalling end and telesignalling public end, and power telesignalling end, telesignalling public end, network telesignalling end all can communicate with local equipment or remote equipment; the local equipment or the remote equipment can read the information of the power remote signaling end, the remote signaling public end and the network remote signaling end, can judge the working state of the lightning protection device, and can remind a worker to maintain in time when the lightning protection device works abnormally.
2) The utility model discloses a network lightning protection circuit in the two-in-one lightning protection device of network power in the embodiment adopts transient state suppression diode to go into rectifier bridge heap, can effectively reduce junction capacitance's influence to transmission rate.
Drawings
Fig. 1 is a schematic structural diagram of a network power supply two-in-one lightning protection device according to an embodiment of the present invention;
fig. 2 is a top view of a network power two-in-one lightning protection device according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a power supply lightning protection and failure monitoring circuit according to an embodiment of the present invention;
fig. 4 is a circuit diagram of the network lightning protection and failure monitoring circuit according to an embodiment of the present invention.
Description of reference numerals:
1: a housing; 2: a power supply remote signaling terminal; 3: a remote signaling common terminal; 4: a network remote signaling terminal; 5: a power supply L terminal; 6: a power PE terminal; 7: a power supply N terminal; 8: a network input; 9: and a network output terminal.
Detailed Description
The following describes the network power supply two-in-one lightning protection device provided by the present invention in further detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims.
The utility model provides a two unification lightning protection devices of network power supply, include: the remote signaling device comprises a shell 1, wherein the shell 1 is at least provided with a power remote signaling end 2, a remote signaling common end 3 and a network remote signaling end 4; the power supply lightning protection circuit is arranged in the shell 1; the network lightning protection circuit is arranged in the shell 1; the power supply lightning protection failure monitoring circuit is close to the power supply lightning protection circuit and is arranged in the shell 1; the signal inlet end of the power supply lightning protection failure monitoring circuit is connected with a power supply remote signaling end 2, and the signal outlet end of the power supply lightning protection failure monitoring circuit is connected with a remote signaling common end 3; the network lightning protection failure monitoring circuit is close to the network lightning protection circuit and is arranged in the shell 1; the signal inlet end of the network lightning protection failure monitoring circuit is connected with the network remote signaling end 4, and the signal outlet end of the network lightning protection failure monitoring circuit is connected with the remote signaling common end 3; the power remote signaling terminal 2, the remote signaling public terminal 3 and the network remote signaling terminal 4 can communicate with local equipment or remote equipment.
Specifically, as shown in fig. 1 and 2. A shell 1 of the lightning protector is provided with a power remote signaling end 2, a remote signaling public 3, a network remote signaling end 4, a power L end 5, a power PE end 6, a power N end 7, a network input end 8 and a network output end 9. A circuit board is arranged in the shell 1, one end of the circuit board is connected with the power input interface, the grounding end and the network input end 8, and the other end of the circuit board is connected with the power output interface and the network output end 9.
Lightning protection circuits are distributed on the circuit board, as shown in fig. 3 and 4. The lightning protection circuit comprises a power supply lightning protection circuit and a network lightning protection circuit.
The power supply lightning protection circuit comprises a surge protection circuit connected between a power supply N end 7 and a power supply PE end 6 and between a power supply L end 5 and the power supply PE end 6, the surge protection circuit comprises two piezoresistors M1 and M2 which are connected in parallel, and each piezoresistor is connected with a temperature fuse. One end of the piezoresistor M1 is connected with the PE end of the power supply, and the other end of the piezoresistor M1 is connected with the N end of the power supply through the temperature fuse FT 1; one end of the piezoresistor M2 is connected with a power supply PE end 6, and the other end is connected with a power supply N end 7 through a temperature fuse FT 2. The power supply lightning protection circuit adopts common-mode protection.
The surge protection circuit is also connected with a diode light-emitting circuit in parallel, and the diode light-emitting circuit comprises a diode D1, a light-emitting diode LED and a resistor R5 which are sequentially connected in series.
The network lightning protection circuit comprises a pre-stage bleeder circuit and a post-stage bleeder circuit which are sequentially connected between a network input end 8 and a network output end 9, wherein the pre-stage bleeder circuit comprises GAS discharge tubes GAS1 and GAS2 which are connected with the network input end 8, and the post-stage bleeder circuit comprises a transient suppression diode D7 and rectifier bridge stack D5 combination and a transient suppression diode D8 and rectifier bridge stack D6 combination. The pre-stage bleeder circuit and the post-stage bleeder circuit are respectively limited by non-inductive resistors R1, R2, R3 and R4. The resistors R1, R2, R3 and R4 and the rectifier bridge stacks D5 and D6 are decoupling elements, and transient suppression diodes are connected in series into the rectifier bridge stacks, so that the influence of junction capacitance on the transmission rate can be effectively reduced.
The circuit board is also provided with a lightning protection failure monitoring circuit respectively, as shown in figures 3 and 4. The lightning protection device failure monitoring circuit comprises a power supply lightning protection failure monitoring circuit and a network lightning protection failure monitoring circuit.
The power supply lightning protection failure monitoring circuit comprises a power supply remote signaling fuse FT3, and the power supply remote signaling fuse FT3 is a temperature fuse and is welded tightly to a piezoresistor. One end of the power remote signaling fuse FT3 is connected to the power remote signaling terminal 2, and the other end thereof is connected to the remote signaling common terminal 3.
The network lightning protection failure monitoring circuit comprises a network remote signaling fuse FT4, wherein the network remote signaling fuse FT4 is a temperature fuse and is welded close to a gas discharge tube or a transient suppression diode. One end of the network telecommand fuse FT4 is connected to the network telecommand terminal 4, and the other end thereof is connected to the telecommand common terminal 3.
The power remote signaling end 2, the remote signaling common end 3 and the network remote signaling end 4 can all communicate with local equipment or remote equipment, and the local equipment or the remote equipment can read the on-off condition of a circuit between the power remote signaling end 2 and the remote signaling common end 3 and the on-off condition of a circuit between the network remote signaling end 4 and the remote signaling common end 3 in real time.
The following briefly introduces the working principle of the network power supply two-in-one lightning protection device of the utility model:
the principle of the power supply part is as follows:
lightning protection principle: according to the volt-ampere characteristic of the piezoresistor, when the applied voltage is low, the current flowing through the piezoresistor is small, and the piezoresistor is in a high resistance state; when the external voltage reaches or exceeds the voltage-sensitive power supply, the resistance value of the voltage-sensitive resistor is sharply reduced and rapidly conducted, and large current is discharged to the ground, so that other elements are effectively protected, and the voltage-sensitive resistor cannot be damaged due to overvoltage.
Lightning protection failure monitoring principle: when the voltage dependent resistor is in a deterioration state, the working temperature of the circuit can be gradually increased, and when the working temperature exceeds the threshold value of the temperature fuse, the temperature fuses FT1 and FT2 are disconnected, and the LED lamp is turned off; the power supply remote signaling fuse FT3 is disconnected, the circuit between the power supply remote signaling end 2 and the remote signaling public end 3 is disconnected, and the local equipment or the remote equipment knows that the lightning protection device works in an abnormal state after reading that the circuit between the power supply remote signaling end 2 and the remote signaling public end 3 is disconnected, so that the working personnel can be reminded of maintaining in time.
Network part principle:
lightning protection principle: when the voltage applied to the gas discharge tube exceeds the insulation strength of the inert gas in the gas discharge tube, the gap between two stages of the gas discharge tube is broken down, the gas discharge tube is changed from an insulation state to a conduction state, and large current is discharged to the ground; residual circuits in the pre-stage bleeder circuit are absorbed by transient suppression diodes in the post-stage bleeder circuit, so that subsequent circuits are protected.
Lightning protection failure monitoring principle: when the gas discharge tube and the transient suppression diode are in a deterioration state, the working temperature of the circuit gradually rises, when the temperature exceeds the threshold value of the network remote signaling fuse FT4, the network remote signaling fuse is disconnected, the circuit between the network remote signaling terminal 4 and the remote signaling common terminal 3 is disconnected, and after the local equipment or the remote equipment reads that the circuit between the network remote signaling terminal 4 and the remote signaling common terminal 3 is disconnected, the lightning protector is known to work in an abnormal state, so that a worker is reminded to maintain in time.
To sum up, the utility model discloses two unification lightning protection devices of network power supply on the basis of network, power lightning protection circuit, has newly increased network, power lightning protection monitoring circuit that became invalid, solves the problem that current lightning protection device can't remote monitoring and report to the police after power or network lightning protection became invalid.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.
Claims (5)
1. The utility model provides a two unification lightning protection devices of network power supply which characterized in that includes:
the remote signaling device comprises a shell, a power supply remote signaling terminal, a remote signaling public terminal and a network remote signaling terminal, wherein the shell is at least provided with the power supply remote signaling terminal, the remote signaling public terminal and the network remote signaling terminal;
the power supply lightning protection circuit is arranged in the shell;
the network lightning protection circuit is arranged in the shell;
the power supply lightning protection failure monitoring circuit is close to the power supply lightning protection circuit and arranged in the shell; the signal inlet end of the power supply lightning protection failure monitoring circuit is connected with the power supply remote signaling end, and the signal outlet end of the power supply lightning protection failure monitoring circuit is connected with the remote signaling public end;
the network lightning protection failure monitoring circuit is close to the network lightning protection circuit and arranged in the shell; the signal inlet end of the network lightning protection failure monitoring circuit is connected with the network remote signaling end, and the signal outlet end of the network lightning protection failure monitoring circuit is connected with the remote signaling public end;
the power remote signaling end, the remote signaling public end and the network remote signaling end can be communicated with local equipment or remote equipment.
2. The network power supply two-in-one lightning protection device according to claim 1, wherein the power supply lightning protection circuit comprises two piezoresistors connected in parallel, and each piezoresistor is connected in series with a temperature fuse;
the power supply lightning protection failure monitoring circuit comprises a power supply remote signaling fuse, and the power supply remote signaling fuse is tightly attached to the piezoresistor.
3. The network power supply two-in-one lightning protection device according to claim 1, wherein the network lightning protection circuit comprises a pre-stage bleeder circuit and a post-stage bleeder circuit.
4. The network power supply two-in-one lightning protector according to claim 3, wherein the pre-stage bleeder circuit comprises a gas discharge tube, and the post-stage bleeder circuit comprises a transient suppression diode and a rectifier bridge stack, and the transient suppression diode is connected in series with the rectifier bridge stack;
the network lightning protection failure monitoring circuit comprises a network remote signaling fuse, and the network remote signaling fuse is close to the gas discharge tube or the transient suppression diode.
5. The network power supply two-in-one lightning protection device according to claim 3, wherein the pre-stage bleeder circuit and the post-stage bleeder circuit are both current-limited by non-inductive resistors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921453626.2U CN210183011U (en) | 2019-09-03 | 2019-09-03 | Two unification lightning protection devices of network power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921453626.2U CN210183011U (en) | 2019-09-03 | 2019-09-03 | Two unification lightning protection devices of network power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210183011U true CN210183011U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921453626.2U Active CN210183011U (en) | 2019-09-03 | 2019-09-03 | Two unification lightning protection devices of network power |
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| Country | Link |
|---|---|
| CN (1) | CN210183011U (en) |
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2019
- 2019-09-03 CN CN201921453626.2U patent/CN210183011U/en active Active
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