CN209298882U - Antenna multichannel surge protector for station wireless dispatching radio control box - Google Patents

Abstract

This application discloses a kind of antenna multichannel surge protectors for station wireless dispatching radio control box.This is used for the antenna multichannel surge protector of station wireless dispatching radio control box, it is set between radio control box and station radio set exchange, it includes the element of releasing that aerial drainage is carried out to lightning current, the sectional pressure element decayed to the remaining lightning current after aerial drainage, the current limiting element be delayed to the remaining lightning current after aerial drainage and the voltage-limiting element group that voltage is limited, release element input terminal and station radio set exchange be electrically connected, release element output end respectively with the input terminal of sectional pressure element and current limiting element be electrically connected, the output end of sectional pressure element and the output end of current limiting element and the input terminal of voltage-limiting element group are electrically connected, the output end and radio control box of voltage-limiting element group are electrically connected.The technical problem that the line construction for carrying out surge protection present application addresses the antenna feeder of radio control box is complicated, safety is low.

Description

Antenna multichannel surge protector for station wireless dispatching radio control box

Technical field

This application involves wireless communication technique fields, control in particular to one kind for station wireless dispatching radio station The antenna multichannel surge protector of box.

Background technique

At this stage, in order to guarantee railway operation safety, the radio station control for wireless communication is equipped at each station Box, Platform attendant is completed by the operation of radio control box and dispatcher, station, the communication between locomotive/vehicle commander.Phase intercommunication It is generally connected using twelve-core communication line (antenna feeder) between the radio control box and station radio set exchange of letter, cable connector is adopted With general aviation plug.It include four core sidings, two core low-voltage dc power supply lines, two core audios in its twelve-core communication line Line, two core speech lines and two core RS485 data lines.Core wire quantity is more, and type is complicated, sets in the market without adaptation surge protection It is standby, in order to which the antenna feeder to radio control box is protected, needs to be respectively adopted and power supply, audio, speech and data are protected Four kinds of protection equipment combination of shield could conscientiously play a protective role to the antenna feeder of radio control box.But this kind of protection side Formula be easy to cause wiring virtual connection or the end of a thread to aoxidize, leads to signal fault since connecting terminal is excessive；Due to various core wire terminals Son is exposed to outside, be easy to cause signal cross-talk, causes the decline of voice quality in communication process, and meet with lightning current Shi Wufa carries out aerial drainage and limited-voltage control, can not carry out that effect is effectively protected to radio control box, safety is low.

The line construction for carrying out surge protection for the antenna feeder in the related technology to radio control box is complicated, safety is low The problem of, currently no effective solution has been proposed.

Utility model content

The main purpose of the application is to provide a kind of antenna multichannel electricity for station wireless dispatching radio control box Surge protector, to solve the problems, such as that the line construction of antenna feeder progress surge protection of radio control box is complicated, safety is low.

To achieve the goals above, this application provides a kind of antenna multi-pass for station wireless dispatching radio control box Road surge protector.

According to the antenna multichannel surge protector for station wireless dispatching radio control box of the application, it is set to electricity Platform controls between box and station radio set exchange, wherein includes: to carry out the element of releasing of aerial drainage, to residual after aerial drainage to lightning current Sectional pressure element that remaining lightning current is decayed, the current limiting element being delayed to the remaining lightning current after aerial drainage and voltage is carried out The voltage-limiting element group of limitation, the input terminal of the element of releasing and the station radio set exchange are electrically connected, the element of releasing Output end respectively with the input terminal of the sectional pressure element and the current limiting element be electrically connected, the output end of the sectional pressure element It is electrically connected with the output end of the current limiting element and the input terminal of the voltage-limiting element group, the output end of the voltage-limiting element group It is electrically connected with the radio control box.

Further, the first supply terminals, are provided on the station radio set exchange and the radio control box Two supply terminals, the first speech terminals, the second speech terminals, the first audio terminals, the second audio terminals, first Data terminals, the second data terminals and ground terminal, on the station radio set exchange and the radio control box, two institute It states and is connected between the first supply terminals by the first power supply line, pass through second source between two second source terminals Line connection, is connected by the first speech line between two the first speech terminals, two the second speech terminals it Between connected by the second speech line, connected by the first tone frequency channel wire between two the first audio terminals, two described the It is connected between two audio terminals by the second tone frequency channel wire, is connected between two first data terminals by the first data line It connects, is connected between two second data terminals by the second data line, pass through ground line between two ground terminals It connects and accesses zero potential point.

Further, the element of releasing includes the first three-level discharge tube G31, the second three-level discharge tube G32, third three-level Discharge tube G33 and the 4th three-level discharge tube G34, the first three-level discharge tube G31 setting the first speech line with it is described Between second speech line；The second three-level discharge tube G32 is arranged between first power supply line and the second source line； The third three-level discharge tube G33 is arranged between first tone frequency channel wire and the second tone frequency channel wire；The 4th three-level discharge tube G34 is arranged between first data line and second data line.

Further, the first isolation element of isolation ground voltage, the first isolation member are provided on the element of releasing Part includes the first two-stage discharge pipe G21 and the second two-stage discharge pipe G22, the first two-stage discharge pipe G21 and the described 2nd 2 Grounding electrode, the second three-level discharge tube G32 of the first three-level discharge tube G31 are connected to after grade discharge tube G22 series connection Grounding electrode and the third three-level discharge tube G33 grounding electrode and the ground line between.

Further, the sectional pressure element includes third divider resistance R3, and the third divider resistance R3 is arranged described The grounding electrode of first three-level discharge tube G31, the grounding electrode of the second three-level discharge tube G32 and third three-level electric discharge Between the grounding electrode of pipe G33 and the ground line.

Further, the sectional pressure element include the first divider resistance R1 being arranged on the second speech line, be located at it is described The second divider resistance R2 on first speech line, the 4th divider resistance R4 being arranged on the first tone frequency channel wire, on the second tone frequency channel wire The 5th divider resistance R5, the 7th divider resistance R7 on the 6th divider resistance R6 and the second data line on the first data line.

Further, the current limiting element include the first inductance L1 and the second inductance L2, the first inductance L1 with it is described Second inductance L2 is coupled, and the first inductance L1 is arranged on first power supply line, and the second inductance L2 is arranged in institute It states on second source line.

Further, first voltage-limiting element is arranged between first power supply line and the ground line, the limit Pressing element group includes the first voltage-limiting element, and the first voltage-limiting element setting is in first power supply line and the ground line Between, first voltage-limiting element includes the first varistor MOV1, the second varistor MOV2 and third varistor MOV3, institute It states in parallel with the third varistor MOV3 after the first varistor MOV1 connects with the second varistor MOV2.

Further, the voltage-limiting element group includes the second voltage-limiting element, and second voltage-limiting element includes two pole of pressure limiting Pipe array, the 4th transient diode TVS4, the 5th transient diode TVS5, the 6th transient diode TVS6, two pole of the 8th transient state Pipe TVS8 and the 9th transient diode TVS9, the voltage limiting diode array setting is in the first speech line and second words Between sound line and the ground line；The 4th transient diode TVS4 setting is in second tone frequency channel wire and the ground line Between, the 5th transient diode TVS5 is arranged between first tone frequency channel wire and the ground line, the 6th transient state two Pole pipe TVS6 is arranged between first tone frequency channel wire and second tone frequency channel wire；The 8th transient diode TVS8 setting Between first data line and the ground line, the 9th transient diode TVS9 is arranged in second data line Between the ground line.

Further, second isolation element include the second transient diode TVS2, third transient diode TVS3 and 7th transient diode TVS7, the second transient diode TVS2 are arranged in the first high speed diode D1 to the described 6th Between the voltage limiting diode array and the ground line of high speed diode D6 and the first transient diode TVS1 composition；The third Transient diode TVS3 was arranged in the 4th transient diode TVS4, the 5th transient diode TVS5 and the 6th wink Between state diode TVS6 and the ground line；The 7th transient diode TVS7 is arranged in the 8th transient diode Between TVS8 and the 9th transient diode TVS9 and the ground line.

In the embodiment of the present application, using AT STATION between radio station exchange and radio control box setting release element, partial pressure The mode of element, current limiting element and voltage-limiting element group is let out wherein the input terminal for element of releasing and station radio set exchange are electrically connected The output end for putting element is electrically connected with the input terminal of sectional pressure element and current limiting element respectively, the output end and current limliting of sectional pressure element The output end of element and the input terminal of voltage-limiting element group are electrically connected, and the output end of voltage-limiting element group electrically connects with radio control box It connects, aerial drainage is carried out to the lightning current for flowing through station radio set exchange by releasing element, then pass through sectional pressure element and current limiting element pair Remaining lightning current after aerial drainage carries out decaying and delays time to control, limits finally by voltage-limiting element group remaining hazardous voltages Pressure guarantees remaining hazardous voltages in the range of radio control box can be born, and not only route is simple by the application, but also reaches Guarantee the purpose of radio control box trouble free service, to realize the antenna feeder line structure of simplified radio control box, improve radio station control The technical effect of box safety processed, so the antenna feeder for solving radio control box carry out surge protection line construction it is complicated, The low technical problem of safety.

Detailed description of the invention

The attached drawing constituted part of this application is used to provide further understanding of the present application, so that the application's is other Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is for explaining the application, not Constitute the improper restriction to the application.In the accompanying drawings:

Fig. 1 is circuit of the utility model for the antenna multichannel surge protector of station wireless dispatching radio control box Structural block diagram.

Fig. 2 is circuit of the utility model for the antenna multichannel surge protector of station wireless dispatching radio control box Structure chart.

Specific embodiment

In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection It encloses.

It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, " Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.

In this application, term " on ", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outside", " in ", "vertical", "horizontal", " transverse direction ", the orientation or positional relationship of the instructions such as " longitudinal direction " be orientation based on the figure or Positional relationship.These terms are not intended to limit indicated primarily to better describe the utility model and embodiment Device, element or component must have particular orientation, or be constructed and operated with particular orientation.

Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it His meaning, such as term " on " also are likely used for indicating certain relations of dependence or connection relationship in some cases.For ability For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.

In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected ", " socket " shall be understood in a broad sense.For example, It may be a fixed connection, be detachably connected or monolithic construction；It can be mechanical connection, or electrical connection；It can be direct phase It even, or indirectly connected through an intermediary, or is two connections internal between device, element or component. For those of ordinary skills, can understand as the case may be above-mentioned term in the present invention specifically contain Justice.

It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in Figure 1, this application involves a kind of antenna multichannel surge guarantors for station wireless dispatching radio control box Device is protected, which is set to radio control box and station Between the exchange of radio station comprising: element 101 of releasing, sectional pressure element 102, current limiting element 103 and voltage-limiting element group, element of releasing 101 for carrying out aerial drainage to lightning current, and sectional pressure element 102 is for declining to the remaining lightning current after 101 aerial drainage of element of releasing Subtract, current limiting element 103 is used to carry out delays time to control to the remaining lightning current after 101 aerial drainage of element of releasing, and voltage-limiting element group is used for Limited-voltage control is carried out to remaining hazardous voltages, the input terminal and station radio set exchange for element 101 of releasing are electrically connected, member of releasing The output end of part 101 is electrically connected with the input terminal of sectional pressure element 102 and current limiting element 103 respectively, the output of sectional pressure element 102 The input terminal of the output end and voltage-limiting element group of end and current limiting element 103 is electrically connected, the output end of voltage-limiting element group and radio station Box is controlled to be electrically connected.Release element 101, sectional pressure element is arranged in the application AT STATION between radio station exchange and radio control box 102, the mode of current limiting element 103 and voltage-limiting element group flows into the thunder and lightning for flowing through station radio set exchange by releasing element 101 Row aerial drainage, then decaying and delays time to control are carried out to the remaining lightning current after aerial drainage by sectional pressure element 102 and current limiting element 103, Pressure limiting is carried out to remaining hazardous voltages finally by voltage-limiting element group, guarantees that remaining hazardous voltages can be born in radio control box In the range of, not only route is simple by the application, but also can effectively ensure that radio control box trouble free service, to realize letter Change the antenna feeder line structure of radio control box, improve the technical effect of radio control box safety.

As shown in Fig. 2, being respectively arranged with first the 1, second electricity of supply terminals on radio control box and station radio set host Source terminals 12, the first speech terminals 2, the second speech terminals 3, the first audio terminals 4, the second audio terminals 5, First data terminals 6, the second data terminals 7 and ground terminal PE, on station radio set exchange and radio control box, two It is connected between one supply terminals 1 by the first power supply line, is connected between two second source terminals 12 by second source line It connects, is connected between two the first speech terminals 2 by the first speech line, pass through second between two the second speech terminals 3 Speech line connects, and is connected between two the first audio terminals 4 by the first tone frequency channel wire, between two the second audio terminals 5 It is connected, is connected between two the first data terminals 6 by the first data line, two the second data connections by the second tone frequency channel wire It is connected between end 7 by the second data line, connected between two ground terminal PE by ground line and accesses zero potential point.

In some embodiments of the utility model, it is additionally provided between station radio set exchange and radio control box and is not connected The four spare terminals connect.

As shown in Figure 1 and Figure 2, element 101 of releasing includes the first three-level discharge tube G31, the second three-level discharge tube G32, third Two discharge electrodes of three-level discharge tube G33 and the 4th three-level discharge tube G34, the first three-level discharge tube G31 are corresponding to be talked about with first Sound line and the connection of the second speech line, the grounding electrode and ground line of the first three-level discharge tube G31 connect；Second three-level discharge tube Two discharge electrodes correspondence of G32 is connect with the first power supply line and second source line, the grounding electrode of the second three-level discharge tube G32 It is connected with ground line；Two discharge electrodes correspondence of third three-level discharge tube G33 is connect with the first tone frequency channel wire and the second tone frequency channel wire, The grounding electrode and ground line of third three-level discharge tube G33 connects；Two discharge electrodes of 4th three-level discharge tube G34 it is corresponding with First data line and the connection of the second data line, between the grounding electrode and ground line of the 4th three-level discharge tube G34.

As shown in Figure 1, 2, it releases and is provided with the first isolation element 106 of isolation ground voltage on element 101, the first isolation member Part 106 includes the first two-stage discharge pipe G21 and the second two-stage discharge pipe G22, the first two-stage discharge pipe G21 and the second two-stage discharge The grounding electrode of the first three-level discharge tube G31, the grounding electrode of the second three-level discharge tube G32 and the are connected to after pipe G22 series connection Between the grounding electrode and ground line of three three-level discharge tube G33.It is let out by the lightning current of route for 101 pairs of element by releasing It puts.

As shown in Figure 1 and Figure 2, sectional pressure element 102 includes the first divider resistance R1, the second divider resistance R2, third partial pressure Resistance R3, the 4th divider resistance R4, the 5th divider resistance R5, the 6th divider resistance R6 and the 7th divider resistance R7, the first partial pressure Resistance R1 is connected on the second speech line；Second divider resistance R2 is connected on the first speech line；Third divider resistance R3 setting In the grounding electrode of the first three-level discharge tube G31, the grounding electrode of the second three-level discharge tube G32 and third three-level discharge tube G33 Grounding electrode and ground line between；4th divider resistance R4 is connected on the first tone frequency channel wire, and the 5th divider resistance R5 is connected on On second tone frequency channel wire；6th divider resistance R6 is connected on the first data line；7th divider resistance R7 is connected on the second data line On.Play attenuation by 102 pairs of sectional pressure element remaining harm lightning currents, thus match the aerial drainage element 101 of prime with Voltage Peak value difference between the voltage-limiting element group of rear class.

As shown in Figure 1 and Figure 2, current limiting element 103 includes the first inductance L1 and the second inductance L2, the first inductance L1 and second Inductance L2 is coupled, and the first inductance L1 is connected on the first power supply line 1, and the second inductance L2 is connected on second source line 12.It is logical It crosses 103 pairs of current limiting element remaining harm lightning currents and plays time-lag action, to match the aerial drainage element 101 and rear class of prime Actuation time between voltage-limiting element group is poor.

Specifically, current limiting element 103 uses current limliting Same Name of Ends inductance.

As shown in Figure 1 and Figure 2, voltage-limiting element group includes the first voltage-limiting element 104, and the setting of the first voltage-limiting element is in the first electricity Between source line and ground line.

Specifically, as shown in Fig. 2, the first voltage-limiting element 104 includes the first varistor MOV1, the second varistor MOV2 After connecting with third varistor MOV3, the first varistor MOV1 with the second varistor MOV2 with third varistor MOV3 It is in parallel.The first electricity of one end of first varistor MOV1, the second varistor MOV2 and third varistor MOV3 entirety access Source line, other end access ground line.The first power supply line and second source line for being generated lightning current by the first voltage-limiting element 104 Between differential mode voltage over the ground between common-mode voltage and the first power supply line and second source line be limited within the scope of a level pressure value, protect Demonstrate,prove the normal work of the first power supply line and second source line.

As shown in Figure 1 and Figure 2, voltage-limiting element group includes the second voltage-limiting element 105, and the second voltage-limiting element 105 includes pressure limiting Diode array, the 4th transient diode TVS4, the 5th transient diode TVS5, the 6th transient diode TVS6, the 8th transient state Diode TVS8 and the 9th transient diode TVS9, the setting of voltage limiting diode array the first speech line and the second speech line with connect Between ground wire；4th transient diode TVS4 is arranged between the second tone frequency channel wire and the ground line, the 5th transient diode Between the first tone frequency channel wire and ground line, the 6th transient diode TVS6 is arranged in the first tone frequency channel wire and the second audio for TVS5 setting Between line；8th transient diode TVS8 setting is between the first data line and ground line, the 9th transient diode TVS9 setting Between the second data line and ground line.Parasitic capacitance is reduced by voltage limiting diode array, plays the first speech line and second The voltage-limiting protection over the ground of speech line acts on；The common mode electricity of the second tone frequency channel wire over the ground is limited by the 4th transient diode TVS4；It is logical It crosses the 5th transient diode TVS5 and limits the common-mode voltage of the first tone frequency channel wire over the ground；Pass through the 6th transient diode TVS6 limitation the Differential mode voltage between one tone frequency channel wire and the second tone frequency channel wire；Over the ground by the first data line of the 8th transient diode TVS8 limitation Common-mode voltage；The common-mode voltage of the second data line over the ground is limited by the 9th transient diode TVS9.

Specifically, voltage limiting diode array includes the first high speed diode D1, the second high speed diode D2, third high speed two Pole pipe D3, the 4th high speed diode D4, the 5th high speed diode D5, the 6th high speed diode D6 and the first transient diode Anode the second speech line of access of TVS1, first diode D1, anode the first speech line of access of third diode D3, the one or two The cathode of pole pipe D1 is connect after connecting with the cathode of third diode D3 with the cathode of the 5th diode D5, the 5th diode D5 Anode access ground line；The cathode of second diode D2 accesses the second speech line, the cathode access first of third diode D3 Speech line, the anode of the second diode D1 are connect after connecting with the anode of third diode D3 with the cathode of the 6th diode D6, The anode access ground line of 6th diode D6, the first transient diode TVS1 are connected to the cathode and the of the 5th diode D5 Between the cathode of six diode D6.

As shown in Fig. 2, the second isolation element 107 include the second transient diode TVS2, third transient diode TVS3 and 7th transient diode TVS7, the second transient diode TVS2 are arranged in the first high speed diode D1 to the 6th high speed diode D6 And first transient diode TVS1 composition voltage limiting diode array and ground line between；Third transient diode TVS3 setting exists Between 4th transient diode TVS4, the 5th transient diode TVS5 and the 6th transient diode TVS6 and ground line；7th wink State diode TVS7 setting is between the 8th transient diode TVS8 and the 9th transient diode TVS9 and ground line.Second wink State diode TVS2, third transient diode TVS3 and the 7th transient diode TVS7 are isolation element, for low electricity to be isolated Pressure.

Working principle of the application for the antenna multichannel surge protector of station wireless dispatching radio control box are as follows: thunder It when electric current enters route, first passes through aerial drainage element 101 and is once released, remnants endanger lightning current and pass through 102 He of sectional pressure element Current limiting element 103 carries out adjustable attenuation and delays time to control, then remaining hazardous voltages are limited in safety by voltage-limiting element group In range.Because the remaining hazardous voltages that the non-linear of aerial drainage element 101 and ground line length generate cause damages when to prevent aerial drainage, The first isolation element 106 and the second isolation element 107 are correspondingly arranged on element 101 and the second voltage-limiting element 105 releasing, it is ensured that Effect of releasing and pressure limiting effect, greatly improve the safety of work.

It can be seen from the above description that the present invention realizes following technical effect:

Release element 101, sectional pressure element 102, current limiting element 103 are set between radio station exchange and radio control box AT STATION With voltage-limiting element group, wherein the input terminal for element 101 of releasing and station radio set exchange are electrically connected, the output for element 101 of releasing End is electrically connected with the input terminal of sectional pressure element 102 and current limiting element 103 respectively, output end and the current limliting member of sectional pressure element 102 The output end of part 103 and the input terminal of voltage-limiting element group are electrically connected, and the output end and radio control box of voltage-limiting element group are electrical Connection carries out aerial drainage to the lightning current for flowing through station radio set exchange by releasing element 101, then passes through sectional pressure element 102 and limit Fluid element 103 carries out decaying and delays time to control to the remaining lightning current after aerial drainage, endangers finally by voltage-limiting element group remnants Voltage carries out pressure limiting, guarantees that remaining hazardous voltages in the range of radio control box can be born, not only greatly simplify route knot Structure, and the safety of radio control box work is improved, reach the antenna feeder line structure of simplified radio control box, improve radio station Control the technical effect of box safety.

The foregoing is merely preferred embodiment of the present application, are not intended to limit this application, for the skill of this field For art personnel, various changes and changes are possible in this application.Within the spirit and principles of this application, made any to repair Change, equivalent replacement, improvement etc., should be included within the scope of protection of this application.

Claims (10)

1. a kind of antenna multichannel surge protector for station wireless dispatching radio control box, the surge protector setting Between radio control box and station radio set exchange characterized by comprising carry out the element of releasing of aerial drainage to lightning current (101), the sectional pressure element (102) decayed to the remaining lightning current after aerial drainage prolongs the remaining lightning current after aerial drainage When current limiting element (103) and voltage-limiting element group that voltage is limited, the input terminal of the element of releasing (101) with it is described Station radio set exchange be electrically connected, the output end of the element of releasing (101) respectively with the sectional pressure element (102) and the limit The input terminal of fluid element (103) is electrically connected, the output end of the sectional pressure element (102) and the current limiting element (103) it is defeated The input terminal of outlet and the voltage-limiting element group is electrically connected, the output end of the voltage-limiting element group and radio control box electricity Property connection.

2. the antenna multichannel surge protector according to claim 1 for station wireless dispatching radio control box, It is characterized in that, the first supply terminals (1), second source is provided on the station radio set exchange and the radio control box Terminals (12), the first speech terminals (2), the second speech terminals (3), the first audio terminals (4), the second audio wiring Hold (5), the first data terminals (6), the second data terminals (7) and ground terminal (PE), the station radio set exchange and described It on radio control box, is connected between two described first supply terminals (1) by the first power supply line, two second electricity Source terminals are connected between (12) by second source line, pass through the first speech between two the first speech terminals (2) Line connects, and is connected between two the second speech terminals (3) by the second speech line, two the first audio terminals (4) it is connected, is connected between two the second audio terminals (5) by the second tone frequency channel wire, two by the first tone frequency channel wire between It is connected between a first data terminals (6) by the first data line, is led between two second data terminals (7) The connection of the second data line is crossed, is connected between two ground terminals (PE) by ground line and accesses zero potential point.

3. the antenna multichannel surge protector according to claim 2 for station wireless dispatching radio control box, It is characterized in that, the element of releasing (101) is put including the first three-level discharge tube G31, the second three-level discharge tube G32, third three-level Fulgurite G33 and the 4th three-level discharge tube G34, the first three-level discharge tube G31 setting is in the first speech line and described the Between two speech lines；The second three-level discharge tube G32 is arranged between first power supply line and the second source line；Institute Third three-level discharge tube G33 is stated to be arranged between first tone frequency channel wire and the second tone frequency channel wire；The 4th three-level discharge tube G34 It is arranged between first data line and second data line.

4. the antenna multichannel surge protector according to claim 3 for station wireless dispatching radio control box, It is characterized in that, the first isolation element (106) of isolation ground voltage, first isolation is provided on the element of releasing (101) Element (106) include the first two-stage discharge pipe G21 and the second two-stage discharge pipe G22, the first two-stage discharge pipe G21 with it is described Grounding electrode, second three-level electric discharge of the first three-level discharge tube G31 are connected to after second two-stage discharge pipe G22 series connection Between the grounding electrode of pipe G32 and the grounding electrode and the ground line of the third three-level discharge tube G33.

5. the antenna multichannel surge protector according to claim 3 for station wireless dispatching radio control box, It is characterized in that, the sectional pressure element (102) includes third divider resistance R3, and the third divider resistance R3 is arranged described first The grounding electrode and the third three-level discharge tube of the grounding electrode of three-level discharge tube G31, the second three-level discharge tube G32 Between the grounding electrode of G33 and the ground line.

6. the antenna multichannel surge protector according to claim 2 for station wireless dispatching radio control box, It is characterized in that, the sectional pressure element (102) includes the first divider resistance R1 being arranged on the second speech line, is located at described first The second divider resistance R2 on speech line, the 4th divider resistance R4 being arranged on the first tone frequency channel wire, on the second tone frequency channel wire The 7th divider resistance R7 on the 6th divider resistance R6 and the second data line on five divider resistance R5, the first data line.

7. the antenna multichannel surge protector according to claim 2 for station wireless dispatching radio control box, It is characterized in that, the current limiting element (103) includes the first inductance L1 and the second inductance L2, the first inductance L1 and described second Inductance L2 is coupled, and the first inductance L1 is arranged on first power supply line, and the second inductance L2 setting is described the On two power supply lines.

8. the antenna multichannel surge protector according to claim 2 for station wireless dispatching radio control box, It is characterized in that, the voltage-limiting element group includes the first voltage-limiting element (104), and first voltage-limiting element (104) is arranged described Between first power supply line and the ground line, first voltage-limiting element (104) includes the first varistor MOV1, second pressure-sensitive Resistance MOV2 and third varistor MOV3, the first varistor MOV1 connect with the second varistor MOV2 after with The third varistor MOV3 is in parallel.

9. the antenna multichannel surge protector according to claim 2 for station wireless dispatching radio control box, It is characterized in that, the voltage-limiting element group includes the second voltage-limiting element (105), and second voltage-limiting element (105) includes pressure limiting two Pole pipe array, the 4th transient diode TVS4, the 5th transient diode TVS5, the 6th transient diode TVS6, the 8th transient state two Pole pipe TVS8 and the 9th transient diode TVS9, the voltage limiting diode array are arranged in the first speech line and described second Between speech line and the ground line；The 4th transient diode TVS4 is arranged in second tone frequency channel wire and the ground line Between, the 5th transient diode TVS5 is arranged between first tone frequency channel wire and the ground line, the 6th transient state Diode TVS6 is arranged between first tone frequency channel wire and second tone frequency channel wire；The 8th transient diode TVS8 setting Between first data line and the ground line, the 9th transient diode TVS9 setting second data line with Between the ground line.

10. the antenna multichannel surge protector according to claim 9 for station wireless dispatching radio control box, It is characterized in that, the surge protector further includes the second isolation element (107), and second isolation element (107) includes second Transient diode TVS2, third transient diode TVS3 and the 7th transient diode TVS7, the second transient diode TVS2 The limit of the first high speed diode D1 to the 6th high speed diode D6 and the first transient diode TVS1 composition is set It presses between diode array and the ground line；The third transient diode TVS3 is arranged in the 4th transient diode Between TVS4, the 5th transient diode TVS5 and the 6th transient diode TVS6 and the ground line；Described 7th Transient diode TVS7 is arranged in the 8th transient diode TVS8 and the 9th transient diode TVS9 and the ground connection Between line.