Lightning stroke protection device of remote centralized meter reading device
阅读说明:本技术 一种远程集抄器的雷击保护装置 (Lightning stroke protection device of remote centralized meter reading device ) 是由 王晟 赵义 李泽青 夏兆福 于 2019-11-15 设计创作,主要内容包括:本发明提出一种远程集抄器的雷击保护装置,包括表箱、定位挡板、安装板、快插集线端、天线系统、保护断路器、数据线接头及通讯保护器,通讯保护器与数据线接头电性连接,并固定为一体结构安装在安装板上,通讯保护器包括依次级联的压敏电阻保护电路和TVS管保护电路、以及连接压敏电阻保护电路和TVS管保护电路的共模电感,数据线接头包括接头体、与接头体连接的固定套和定位套;该雷击保护装置不仅维持集抄器在各种雷击条件下正常工作,且数据线接头的结构可解决野外无工具条情况下的便捷接驳,同时防止数据线插头与数据线接头脱连,保证工作过程的连接稳定性。(The invention provides a lightning stroke protection device of a remote meter reading device, which comprises a meter box, a positioning baffle, a mounting plate, a quick plug wire collecting end, an antenna system, a protection circuit breaker, a data wire connector and a communication protector, wherein the communication protector is electrically connected with the data wire connector and is fixedly arranged on the mounting plate in an integrated structure; this thunderbolt protection device not only maintains the collection and copies the ware and normally work under various thunderbolt conditions, and the convenient connection of the structure of data line joint under the field no tool bar condition can be solved, prevents simultaneously that data line plug and data line joint from breaking away from the connection, guarantees the connection stability of working process.)
1. The utility model provides a thunderbolt protection device of long-range collection ware of copying which characterized in that: the meter box comprises a meter box which is used for installing a meter reading device and can form a closed space, a positioning baffle plate for positioning the meter reading device, a mounting plate fixed below the meter box, a quick-plug line collecting end used for connecting the meter reading device with each cable, an antenna system used for remotely interacting the meter reading device, a protection circuit breaker connected with a power supply cable of the meter reading device, a data line connector inserted with an external data line plug to transmit data and a communication protector positioned at the front end of the quick-plug line collecting end at the rear end of the data line connector, wherein the communication protector is electrically connected with the data line connector and is assembled into an integral structure to be installed on the mounting plate, the quick-plug line collecting end and the protection circuit breaker are fixed on the mounting plate, and the antenna system, the protection circuit breaker and the communication protector are electrically connected with the meter reading device through the quick-plug line collecting end, wherein the communication protector comprises a piezoresistor protection circuit and a TVS tube protection, The common mode inductor is connected with the piezoresistor protection circuit and the TVS tube protection circuit;
the data line joint is connected with an external data line plug pin, which comprises a joint body, a fixed sleeve and a positioning sleeve, wherein the fixed sleeve and the positioning sleeve are connected with the joint body, the positioning sleeve is two semicircular cylinders which are buckled and connected through a buckling structure, the end part of the data line plug is limited between the two semicircular cylinders, one end of the positioning sleeve is a positioning end part with a convex step, the free end of the fixed sleeve is a fixed end part with a convex step in an inner hole, the positioning end part and the fixed end part are provided with a fan-shaped slot and a fan-shaped lug which are distributed annularly, the fan-shaped lug of the positioning end part is matched with the fan-shaped slot of the fixed end part, the fixed sleeve is also provided with a positioning groove connected with the fixed end part, an annular elastic sheet, the positioning end part is rotated, the elastic sheet elastically compresses the end surface of the positioning end part, so that the fan-shaped convex block of the positioning end part is seated on the fan-shaped convex block of the fixing end part.
2. The lightning strike protection device of a remote centralized meter reader according to claim 1, characterized in that: the voltage dependent resistor protection circuit comprises a first-stage voltage dependent resistor MOV1, wherein the first-stage voltage dependent resistor MOV1 is connected between two poles of a data communication end in a bridging mode, the TVS tube protection circuit is connected between two poles of a communication power supply end in a bridging mode and comprises a second-stage first voltage dependent resistor MOV2, a semiconductor discharge tube TSS1 and a second-stage second voltage dependent resistor MOV3 which are connected in series, and two poles of the data communication end are further connected with the TVS tube protection circuit.
3. The lightning strike protection device of a remote centralized meter reader according to claim 2, characterized in that: the first-stage piezoresistor MOV1 is a 20D221K type piezoresistor, the second-stage first piezoresistor MOV2 and the second-stage second piezoresistor MOV3MOV3 are 10D221 type piezoresistors, and the semiconductor discharge tube TSS1 is a P3500SA type discharge tube.
4. The lightning strike protection device of a remote centralized meter reader according to claim 1, characterized in that: the fixed sleeve comprises a sleeve nut which is sleeved on the joint body in a pressing mode and a connecting sleeve which is in threaded connection with the sleeve nut, and the positioning groove and the fixed end portion are located on the connecting sleeve.
5. The lightning strike protection device of a remote centralized meter reader according to claim 4, characterized in that: the table incasement is equipped with the antenna hole and by inserting the antenna groove that line concentration end lower extreme extended to the antenna hole soon, outside the table case was drawn forth by the antenna hole behind antenna system's the antenna and the access antenna protector, on the antenna protector was fixed in the mounting panel, antenna protector included a plurality of GDT and ESD that connect in parallel.
6. The lightning strike protection device of a remote centralized meter reader according to claim 5, characterized in that: the utility model discloses a case, table case, meter box, cable sheath, sealed pad, meter box, meter.
Technical Field
The invention relates to the technical field of lightning protection devices, in particular to a lightning stroke protection device for an outdoor wireless or wired remote meter reading device.
Background
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides the lightning protection device of the remote centralized meter reading device, which is provided with the data line connector which is convenient to connect and convenient for technical personnel to operate, and the lightning protection device which is arranged on the lightning protection device and integrated with the connector can ensure the reliability of the installation of the centralized meter reading device and each element.
The invention is realized by the following technical scheme:
a lightning stroke protection device of a remote meter reading device comprises a meter box which is used for installing the meter reading device and can form a closed space, a positioning baffle plate of the positioning meter reading device, a mounting plate which is fixed on the lower portion in the meter box, a quick-plug wire collecting end which is used for connecting the meter reading device with each cable, an antenna system which is used for remotely interacting the meter reading device, a protection circuit breaker which is connected with a power supply cable of the meter reading device, a data line connector which is plugged with an external data line plug to transmit data and a communication protector which is positioned at the front end of the quick-plug wire collecting end at the rear end of the data line connector, wherein the communication protector is electrically connected with the data line connector and is installed on the mounting plate in an integrated structure, the quick-plug wire collecting end and the protection circuit breaker are fixed on the mounting plate, and the antenna system, the protection circuit breaker and the communication protector are electrically connected with the meter reading device through the quick-plug wire collecting end, wherein the communication protector comprises a, The common mode inductor is connected with the piezoresistor protection circuit and the TVS tube protection circuit;
the data line joint is connected with an external data line plug pin, which comprises a joint body, a fixed sleeve and a positioning sleeve, wherein the fixed sleeve and the positioning sleeve are connected with the joint body, the positioning sleeve is two semicircular cylinders which are buckled and connected through a buckling structure, the end part of the data line plug is limited between the two semicircular cylinders, one end of the positioning sleeve is a positioning end part with a convex step, the free end of the fixed sleeve is a fixed end part with a convex step in an inner hole, the positioning end part and the fixed end part are provided with a fan-shaped slot and a fan-shaped lug which are distributed annularly, the fan-shaped lug of the positioning end part is matched with the fan-shaped slot of the fixed end part, the fixed sleeve is also provided with a positioning groove connected with the fixed end part, an annular elastic sheet, the positioning end part is rotated, the elastic sheet elastically compresses the end surface of the positioning end part, so that the fan-shaped convex block of the positioning end part is seated on the fan-shaped convex block of the fixing end part.
Preferably, the voltage dependent resistor protection circuit comprises a first voltage dependent resistor MOV1, the first voltage dependent resistor MOV1 is connected across the two poles of the data communication terminal, the TVS tube protection circuit is connected across the two poles of the communication power supply terminal and comprises a second voltage dependent resistor MOV2, a semiconductor discharge tube TSS1 and a second voltage dependent resistor MOV3 which are connected in series, and the two poles of the data communication terminal are also connected with the TVS tube protection circuit.
Preferably, the first-stage varistor MOV1 is a 20D221K varistor, the second-stage first varistor MOV2 and the second-stage second varistor MOV3MOV3 are 10D221 varistors, and the semiconductor discharge tube TSS1 is a P3500SA discharge tube.
Preferably, the fixing sleeve comprises a sleeve nut pressed on the joint body and a connecting sleeve in threaded connection with the sleeve nut, and the positioning groove and the fixing end part are positioned on the connecting sleeve.
Preferably, be equipped with the antenna hole in the table case and by inserting the antenna groove that line concentration end lower extreme extended to the antenna hole soon, outside antenna system's antenna and insert antenna protector back and draw forth the table case by the antenna hole, on antenna protector was fixed in the mounting panel, antenna protector included a plurality of GDT and ESD that connect in parallel.
Preferably, be fixed with the cable sheath of L shape through flange joint on the table case lower extreme outer wall, the last port that cable sheath and table case are connected is equipped with sealed the pad, has a plurality of cross holes that are used for wearing to establish the cable on the sealed pad.
Compared with the prior art, the invention has the beneficial effects that:
this thunderbolt protection device's data line connects and inserts the circuit after becoming the module through fixed combination with communication protector, and be fixed in the module on the mounting panel, its connection stability is better, communication protector can satisfy the collection and copy the surge protection requirement of ware under various thunderbolt conditions, and the position sleeve and the fixed cover that the data line connects the setting, can bare-handedly accomplish the position sleeve and be connected with fixed cover with the position sleeve of being connected of data line plug, the convenient connection under the field no tool bar condition of having solved is refuted, prevent simultaneously that data line plug and data line from connecting the disconnection, guarantee the connection stability of working process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the lightning strike protection device of the invention;
FIG. 2 is a schematic view of the structure of the joint of FIG. 1;
FIG. 3 is a schematic view of the structure of the fixed end of FIG. 2;
fig. 4 is a circuit configuration diagram of the communication protector;
FIG. 5 is a circuit block diagram of the antenna protector;
in the figure: 1. meter box, 11, perspective window, 12, location baffle, 13, the mounting panel, 2, the concentrated terminal of fast inserting, 3, antenna system, 31, antenna protector, 4, communication protector, 5, the data line connects, 51, the joint body, 511, the contact pin, 52, the sleeve nut, 53, the adapter sleeve, 531, the constant head tank, 5311, compress tightly the plane, 532, fixed tip, 5321, fan-shaped lug, 5322, fan-shaped slot, 533, the jack, 54, the position sleeve, 541, the location tip, 542, the lock structure, 543, handheld portion, 55, the shell fragment, 6, connect the protective sheath, 7, the protection circuit breaker, 8, the cable sheath, 9, the data line plug.
Detailed Description
The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, the lightning protection device for a remote meter reading device provided by the present invention comprises a
after the
The
As a further technical scheme, as shown in FIG. 4, the voltage dependent resistor protection circuit comprises a first stage voltage dependent resistor MOV1, the first stage voltage dependent resistor MOV1 is bridged between two poles of the data communication end, two stages of the communication power supply end are connected through a voltage dependent resistor protection circuit, the TVS tube protection circuit is bridged between two poles of the communication power supply end and comprises a second stage first voltage dependent resistor MOV2, a semiconductor discharge tube TSS1 and a second stage second voltage dependent resistor MOV3 which are connected in series, two poles of the data communication end are also connected with the TVS tube protection circuit, the first stage voltage dependent resistor MOV1 and the semiconductor discharge tube TSS1 are respectively connected in parallel and bridged with a common mode inductor L, the voltage dependent resistor protection circuit and the TVS tube protection circuit protect the TX end and the RX end of the data communication end, which belong to a full duplex mode, the common mode inductor L is positioned between the voltage dependent resistor protection circuit and the semiconductor discharge tube protection circuit to play a delay role, thereby ensuring that the voltage dependent resistor protection circuit, meanwhile, the conduction disturbance energy is reduced; according to the instrument parameters of the meter reading device, the first-stage piezoresistor MOV1 is a 20D221K type piezoresistor, the second-stage first piezoresistor MOV2 and the second-stage second piezoresistor MOV3MOV3 are 10D221 type piezoresistors, and the semiconductor discharge tube TSS1 is a P3500SA type discharge tube.
As a further technical solution, in order to prevent the data line plug 9 from loosening during use, the fixing sleeve includes a
As a further technical scheme, an antenna hole and an antenna groove extending from the lower end of a fast
As further technical scheme, be fixed with the
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
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