Turnout control box

Abstract

The utility model discloses a turnout operation box, which is connected with commercial power AC220V, and then the commercial power AC220V is converted into three independent power supplies, namely DC220V is used as a turnout action power supply, AC110V is used as a turnout indication power supply, and DC24V is used as a relay action power supply. Through an interlocking relation of a positioning action switch, an anti-position action switch and a series of relays (a first self-inductance and mutual-inductance relay, a second self-inductance and mutual-inductance relay, a first relay, a second relay, a third relay, a fourth relay, a fifth relay and a sixth relay), a DC ammeter is connected in series on an action common line; and the direct current switch machine is driven to act towards a required position, the turnout starting current is visually displayed, and then a turnout single test is carried out.

Description

TECHNICAL FIELD

[0001] The utility model belongs to railway signal technical field, concretely relates to a switch operating box. BACKGROUND

[0002] In the replacement operation of the existing station conversion switch machine, the existing construction method is to apply for a skylight construction after all equipment installation and wiring are completed, stop using the existing station signal interlocking equipment, carry out insertion test on the newly added or replaced switch, and return to the use of the existing equipment after the test is completed, and then uniformly update the new equipment after the interlocking equipment is replaced.

[0003] The existing scheme mainly applies for a skylight to bring the newly added switch equipment and wiring into the existing station interlocking system for debugging after all the previous construction is completed, removes the transition debugging wiring after the debugging is completed, restores the wiring of the existing switch equipment, and carries out the test on the existing switch again.

[0004] The existing scheme has a great impact on the existing line construction and the transportation of the station equipment, needs to apply for a large number of skylight constructions, stops using the existing switch equipment, and affects the transportation efficiency of the station; the disturbance to the existing equipment and wiring is great, which affects the use safety and service life of the existing equipment; the construction period is long, and the cost of personnel, materials and mechanical equipment is high.

[0005] Therefore, it is necessary to develop a switch operating box to avoid applying for a large number of skylight constructions. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the problems in the prior art and provides a switch operating box.

[0007] In order to solve the technical problem, the technical scheme of the utility model is as follows: a switch operating box, which comprises a box body, an air switch, a first transformer, a second transformer, a third transformer, a positioning action switch, a reverse positioning action switch, a first self-inductance mutual-inductance relay, a second self-inductance mutual-inductance relay, a first relay, a second relay, a third relay, a fourth relay, a fifth relay, a sixth relay and a switch machine terminal in the box body; the air switch is connected with AC220V, and is also connected with the first transformer, the second transformer and the third transformer respectively;

[0008] The first transformer converts AC220V into DC220V, DC220V+ is connected with the fifth relay and the sixth relay respectively, DC220V- is connected with the first relay and the second relay respectively, and the first relay, the second relay, the fifth relay and the sixth relay are connected with the switch machine terminal respectively.

[0009] The second transformer converts AC 220V into DC 24V, DC 24V+ is connected with positioning action switch, reverse action switch, first self-induction mutual-induction relay and second self-induction mutual-induction relay respectively, the positioning action switch and the reverse action switch are connected with the first self-induction mutual-induction relay respectively, the first self-induction mutual-induction relay is connected with the first relay and the second relay respectively, the second self-induction mutual-induction relay is connected with the first relay, the second relay, the third relay and the fourth relay respectively, DC 24V- is connected with the first self-induction mutual-induction relay, the second self-induction mutual-induction relay, the first relay, the second relay, the third relay, the fourth relay, the fifth relay and the sixth relay respectively.

[0010] The third transformer converts AC 220V into AC 110V, and the third transformer is connected with the first relay, the second relay, the third relay and the fourth relay respectively.

[0011] Preferably, DC 220V+ of the first transformer is connected with 5, 6 contacts of the fifth relay, 3 contact of the fifth relay is connected with X1 of the switch machine terminal, 4 contact of the fifth relay is connected with X5 of the switch machine terminal; DC 220V+ of the first transformer is also connected with 5, 6 contacts of the sixth relay, 3 contact of the sixth relay is connected with X2 of the switch machine terminal, 4 contact of the sixth relay is connected with X6 of the switch machine terminal; DC 220V- of the first transformer is connected with 8 contacts of the first relay and the second relay respectively.

[0012] Preferably, DC 24V+ of the second transformer is connected with DC 24+ of the first self-induction mutual-induction relay, DC 24+ of the second self-induction mutual-induction relay, the positioning action switch and the reverse action switch respectively, the positioning action switch and the reverse action switch are connected with the first self-induction mutual-induction relay respectively; DC 24V- of the second transformer is connected with DC 24- of the first self-induction mutual-induction relay, DC 24- of the second self-induction mutual-induction relay, 13- contact of the first relay, 13- contact of the second relay, 13- contact of the third relay, 13- contact of the fourth relay, 7- contact of the fifth relay and 7- contact of the sixth relay respectively.

[0013] Preferably, L1 contact of the first self-induction mutual-induction relay is connected with 14+ contact of the first relay, 14+ contact of the first relay is connected with 9 contact of the first relay, 5 contact of the first relay is connected with 8+ contact of the fifth relay; L2 contact of the first self-induction mutual-induction relay is connected with 14+ contact and 9 contact of the second relay respectively, 5 contact of the second relay is connected with 8+ contact of the sixth relay.

[0014] Preferably, the L1 contact of the second self-induction mutual-induction relay is connected with the 14+ contact of the third relay, and the L2 contact of the second self-induction mutual-induction relay is connected with the 14+ contact of the fourth relay; the second self-induction mutual-induction relay is also connected with the 1 contact of the first relay and the 1 contact of the second relay.

[0015] Preferably, the AC110V of the third transformer is connected with the 9 contact of the third relay and the 9 contact of the fourth relay respectively, the 5 contact of the third relay is connected with the 10 contact of the first relay, and the 2 contact of the first relay is connected with the X1 of the switch machine terminal; the 5 contact of the fourth relay is connected with the 10 contact of the second relay, the 2 contact of the second relay is connected with the X2 of the switch machine terminal, the AC110V of the third transformer is also connected with the 11 contact of the second relay, the 3 contact of the second relay is connected with the 11 contact of the first relay, the 3 contact of the first relay is connected with the X3 of the switch machine terminal, and the first voltage lamp is also connected between the X1 of the switch machine terminal and the X3 of the switch machine terminal, and the second voltage lamp is also connected between the X2 of the switch machine terminal and the X3 of the switch machine terminal; the 12 contacts of the first relay and the second relay are connected with the ammeter respectively, and the ammeter is connected with the X4 of the switch machine terminal.

[0016] Preferably, the air switch, the positioning action switch, the reverse action switch, the switch machine terminal, the first voltage lamp, the second voltage lamp and the ammeter are arranged on the operation plane of the box body.

[0017] Preferably, the fifth relay and the sixth relay are large-current relays.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] (1) The utility model discloses a switch operating box, through using the utility model switch operating box, can carry out the switch operating test outside the skylight point, can ensure that the electric switch machine is successfully connected once after the test is completed, through using the utility model switch operating box, can not occupy the existing station skylight quantity, does not produce any influence to the train operation, does not produce any influence to the existing equipment, ensures the train operation safety and the existing equipment safety.

[0020] (2) Through using the utility model switch operating box, can carry out the switch action and the full true test of indicating circuit, reaches the same effect with the station interlocking test, the utility model switch operating box can distinguish the current polarity of switch indication, through using the green first voltage lamp and the yellow second voltage lamp, can directly distinguish whether it is positioning indication or reverse indication, and can directly judge the polarity of voltage and the voltage measured, only when the voltage polarity is correct, the voltage lamp can light, directly shows the state of switch.

[0021] (3) the utility model discloses switch operating box can control only output 1 group action signal at the same time through the first self -induction mutual -induction relay, can control only output 1 group representation signal at the same time through the second self -induction mutual -induction relay, through using the middle rear contact of each group of first relay and second relay, can distinguish only when the switch does not act can output representation signal, solved the possible of mixed power supply;

[0022] (4) the utility model discloses switch operating box is miniaturized assembly, all equipment is closely arranged to the box body, and the carrying is convenient, and the use is convenient, can use through the input commercial power supply alternating current 220V, need not borrow switch direct current DC220 starting electricity. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 , the utility model discloses a kind of circuit schematic diagram of switch operating box;

[0024] Figure 2 , the utility model discloses a kind of structure schematic view of switch operating box;

[0025] Figure 3 , the utility model discloses a kind of control logic diagram of switch operating box.

[0026] BRIEF DESCRIPTION OF DRAWINGS

[0027] 1, box, 2, air switch, 3, first transformer, 4, second transformer, 5, third transformer, 6, positioning action switch, 7, reverse position action switch, 8, first self -induction mutual -induction relay, 9, second self -induction mutual -induction relay, 10, first relay, 11, second relay, 12, third relay, 13, fourth relay, 14, fifth relay, 15, sixth relay, 16, switch machine terminal post, 17, first voltage lamp, 18, second voltage lamp, 19, ammeter. DETAILED DESCRIPTION

[0028] The utility model discloses in combination with example below describes concrete implementation of the utility model:

[0029] It should be noted that the structure, proportion, size and the like shown in the specification are merely used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions of the implementation of the utility model. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model.

[0030] Example 1

[0031] As Figure 1 , 2The utility model discloses a kind of switch operating box, including box 1, and set in box 1 Air Break 2, first transformer 3, second transformer 4, third transformer 5, positioning action switch 6, reverse action switch 7, first self-induction mutual-induction relay 8, second self-induction mutual-induction relay 9, first relay 10, second relay 11, third relay 12, fourth relay 13, fifth relay 14, sixth relay 15 and switch machine terminal post 16;The Air Break 2 is connected with AC220V, and Air Break 2 is also respectively connected with first transformer 3, second transformer 4 and third transformer 5;

[0032] The first transformer 3 converts AC220V into DC220V, DC220V+ is respectively connected with fifth relay 14 and sixth relay 15, DC220V- is respectively connected with first relay 10 and second relay 11, and first relay 10, second relay 11, fifth relay 14 and sixth relay 15 are respectively connected with switch machine terminal post 16;

[0033] The second transformer 4 converts AC220V into DC24V, DC24V+ is respectively connected with positioning action switch 6, reverse action switch 7, first self-induction mutual-induction relay 8 and second self-induction mutual-induction relay 9, and positioning action switch 6 and reverse action switch 7 are respectively connected with first self-induction mutual-induction relay 8, first self-induction mutual-induction relay 8 is respectively connected with first relay 10 and second relay 11, second self-induction mutual-induction relay 9 is respectively connected with first relay 10, second relay 11, third relay 12 and fourth relay 13, and DC24V- is respectively connected with first self-induction mutual-induction relay 8, second self-induction mutual-induction relay 9, first relay 10, second relay 11, third relay 12, fourth relay 13, fifth relay 14 and sixth relay 15;

[0034] The third transformer 5 converts AC220V into AC110V, and third transformer 5 is respectively connected with first relay 10, second relay 11, third relay 12 and fourth relay 13.

[0035] Switch action relay includes first relay 10, second relay 11, fifth relay 14 and sixth relay 15;Wherein first relay 10 and fifth relay 14 are positioning action relay, and second relay 11 and sixth relay 15 are reverse action relay.

[0036] The utility model switch display relay includes third relay 12 and fourth relay 13, and wherein third relay 12 is positioning display relay, and fourth relay 13 is reverse display relay.

[0037] This utility model includes three transformers that convert AC220 to DC220, DC24 and AC110 respectively, so that the power supply for turnout operation, turnout indication and turnout operation indication relay are all independent power supplies, which is in line with the independent power supply method used by railway signal professionals to reduce mixed-track faults; and the turnout operation relay uses a high-power transformer to ensure sufficient power supply for outdoor turnout operation and full-channel cable load.

[0038] The turnout action relay and the indication relay are driven by a direct DC24V power supply. The drive circuit is connected to a positioning action switch 6 and a reversing action switch 7 (positioning action / indication, reversing action / indication), and then connected to two interlocked relay modules (first self-inductance relay 8 and second self-inductance relay 9) to distinguish whether it is a turnout action or an indication, and whether it is a positioning action or a reversing action.

[0039] Example 2

[0040] like Figure 1 As shown, preferably, the DC220V+ of the first transformer 3 is connected to contacts 5 and 6 of the fifth relay 14, contact 3 of the fifth relay 14 is connected to X1 of the switch machine terminal 16, and contact 4 of the fifth relay 14 is connected to X5 of the switch machine terminal 16; the DC220V+ of the first transformer 3 is also connected to contacts 5 and 6 of the sixth relay 15, contact 3 of the sixth relay 15 is connected to X2 of the switch machine terminal 16, and contact 4 of the sixth relay 15 is connected to X6 of the switch machine terminal 16; the DC220V- of the first transformer 3 is connected to contacts 8 of the first relay 10 and the second relay 11 respectively.

[0041] like Figure 1 As shown, preferably, the DC24V+ of the second transformer 4 is connected to the DC24+ of the first self-inductance relay 8, the DC24+ of the second self-inductance relay 9, the positioning switch 6, and the reversing switch 7, respectively. The positioning switch 6 and the reversing switch 7 are connected to the first self-inductance relay 8, respectively. The DC24V- of the second transformer 4 is connected to the DC24- of the first self-inductance relay 8, the DC24- of the second self-inductance relay 9, the 13- contact of the first relay 10, the 13- contact of the second relay 11, the 13- contact of the third relay 12, the 13- contact of the fourth relay 13, the 7- contact of the fifth relay 14, and the 7- contact of the sixth relay 15, respectively.

[0042] Example 3

[0043] like Figure 1As shown in the figure, preferably, the L1 contact of the first self-induction mutual-induction relay 8 is connected with the 14+ contact of the first relay 10, the 14+ contact of the first relay 10 is connected with the 9 contact of the first relay 10, and the 5 contact of the first relay 10 is connected with the 8+ contact of the fifth relay 14; the L2 contact of the first self-induction mutual-induction relay 8 is connected with the 14+ contact and the 9 contact of the second relay 11 respectively, and the 5 contact of the second relay 11 is connected with the 8+ contact of the sixth relay 15.

[0044] As shown in the figure, Figure 1 As shown in the figure, preferably, the L1 contact of the second self-induction mutual-induction relay 9 is connected with the 14+ contact of the third relay 12, and the L2 contact of the second self-induction mutual-induction relay 9 is connected with the 14+ contact of the fourth relay 13; the second self-induction mutual-induction relay 9 is also connected with the 1 contact of the first relay 10 and the 1 contact of the second relay 11.

[0045] The utility model sets up two 2 way self locking interlocking relay module (first self-induction mutual-induction relay 8, second self-induction mutual-induction relay 9) of higher degree of integration, and the button of positioning action switch 6 and reverse positioning action switch 7 is used for controlling positioning action relay (first relay 10 and fifth relay 14), reverse positioning action relay (second relay 11 and sixth relay 15), positioning indicating relay (third relay 12), reverse positioning indicating relay (fourth relay 13), wherein the relay through action power supply adopts large current relay.

[0046] Embodiment 4

[0047] As shown in the figure, Figure 1 As shown in the figure, preferably, the AC110V of the third transformer 5 is connected with the 9 contact of the third relay 12 and the 9 contact of the fourth relay 13 respectively, the 5 contact of the third relay 12 is connected with the 10 contact of the first relay 10, and the 2 contact of the first relay 10 is connected with the X1 of switch machine terminal post 16; the 5 contact of the fourth relay 13 is connected with the 10 contact of the second relay 11, the 2 contact of the second relay 11 is connected with the X2 of switch machine terminal post 16, the AC110V of the third transformer 5 is also connected with the 11 contact of the second relay 11, the 3 contact of the second relay 11 is connected with the 11 contact of the first relay 10, the 3 contact of the first relay 10 is connected with the X3 of switch machine terminal post 16, and the first voltage lamp 17 is also connected between the X1 of switch machine terminal post 16 and the X3 of switch machine terminal post 16; the 12 contact of the first relay 10 and the second relay 11 is connected with the ammeter 19 respectively, and the ammeter 19 is connected with the X4 of switch machine terminal post 16.

[0048] As shown in the figure, Figure 2As shown, the X1-X6 output terminals of the switch machine terminal 16 are connected to the fuse base and fuse, and then connected to the 4MM banana plug socket terminal, the plug is externally connected to the corresponding 2-meter long banana plug and crocodile clip line, which is used to output voltage externally, control the action of the switch machine and indicate.

[0049] Embodiment 5

[0050] As Figure 1 Preferably, the air switch 2, the positioning action switch 6, the reverse action switch 7, the switch machine terminal 16, the first voltage lamp 17, the second voltage lamp 18 and the ammeter 19 are arranged on the operation plane of the box body 1.

[0051] The utility model discloses a red / black two quick-connection press type terminal is arranged on the operation panel, and the AC220V of municipal power supply is connected, and the press terminal is connected to the AC220 / 4A air switch input end under the panel, and the air switch 2 output end is connected to the wanc terminal 19 / 20 fixed on the bottom plate.

[0052] The utility model sets up three independent power, reduces the mutual interference between equipment:

[0053] Independent power 1: input AC220V, output DC220V is used for switch action power, and the input end is connected to the wanc terminal 19 / 20;

[0054] Independent power 2: input AC220V, output AC110V is used for switch indicating power, and completely restores interlocking indicating state, and the input end is connected to the wanc terminal 19 / 20;

[0055] Independent power 3: input AC220V, output DC24V is used for relay action power, and the input end is connected to the wanc terminal 19 / 20.

[0056] As Figure 1 Preferably, the fifth relay 14 and the sixth relay 15 are large-current relays.

[0057] The working principle of the utility model is as follows:

[0058] As Figures 1-3The utility model discloses a kind of switch operating box, including box 1, and be set in box 1 air switch 2, first transformer 3, second transformer 4, third transformer 5, positioning action switch 6, reverse position action switch 7, first self-induction mutual-induction relay 8, second self-induction mutual-induction relay 9, first relay 10, second relay 11, third relay 12, fourth relay 13, fifth relay 14, sixth relay 15 and switch machine terminal post 16, the utility model switch operating box is connected with commercial power AC220V, then is converted into three independent power supply, DC220V is used for switch action power supply, AC110V is used for switch indicating power supply, DC24V is used for relay action power supply, by operating button (positioning action switch 6, reverse position action switch 7) and a series of relay (first self-induction mutual-induction relay 8, second self-induction mutual-induction relay 9, first relay 10, second relay 11, third relay 12, fourth relay 13, fifth relay 14 and sixth relay 15) interlock, on action public line stringing DC ammeter 19, drive DC switch machine to the position required for action, and intuitively display switch starting current, then carry out switch single test.

[0059] The working process of the utility model is as follows:

[0060] As Figure 3 Indicated, first, close air switch 2;

[0061] Then, by pressing positioning action switch 6 once, drive first self-induction mutual-induction relay 8 output can make first relay 10 and fifth relay 14 voltage signal of action, control switch machine terminal post 16 X1, X4 and X5, X4 output positioning action DC220V voltage, electric switch machine action, ammeter 19 display reading, action in place.

[0062] Then, when ammeter 19 swing stops to 0 (current table pointer zero), by pressing positioning action switch 6 again once, through the middle, rear contact point of a group of first relay 10, drive second self-induction mutual-induction relay 9 output can make third relay 12 voltage signal of action, control switch machine terminal post 16 X1, X3 output positioning indicating AC110V voltage, output indicating voltage, voltage indicating lamp (green first voltage lamp 17) bright light, action indicating normal, then carry out switch single test.

[0063] Similarly, by pressing reverse position action switch 7 once, drive first self-induction mutual-induction relay 8 output can make second relay 11 and sixth relay 15 voltage signal of action, control switch machine terminal post 16 X2, X4 and X6, X4 output positioning action DC220V voltage, electric switch machine action, ammeter 19 display reading, action in place.

[0064] When the ammeter 19 swings to stop to 0, by pressing the reverse action switch 7 again once, through the middle, back contact group of the second relay 11, the second self-induction mutual-induction relay 9 is driven to output the voltage signal capable of making the fourth relay 13 act, the X2, X3 output terminal of the switch machine terminal is controlled to output the positioning indicating AC 110V voltage, the voltage indicating lamp (the yellow second voltage lamp 18) is bright, the action indicating normal, then the turnout single item test is carried out.

[0065] After the turnout action reaches the specified position, the ammeter 19 pointer restores to point to the '0' scale, at this time, by pressing the turnout operating button (positioning action switch 6, reverse action switch 7) again, the turnout indicating circuit is switched to. At this time, by the independent power supply output AC 110V alternating voltage, through the two groups of back contact of the first relay 10 and the second relay 11, one way of alternating current is connected to the X3 output terminal of the switch machine terminal, and the other way is connected to the X1, X2 output terminal of the switch machine terminal through the one group of suction nodes of the positioning / reverse indicating relay (the third relay 12, the fourth relay 13) respectively connected to the first voltage lamp 17, the second voltage lamp 18, at this time, the turnout indicating circuit is connected, and the positioning or reverse voltage indicating lamp (the first voltage lamp 17, the second voltage lamp 18) is bright and displays the voltage.

[0066] By the first self-induction mutual-induction relay 8, only one group of action signal can be controlled to be output at the same time, by the second self-induction mutual-induction relay 9, only one group of indicating signal can be controlled to be output at the same time, by using the middle back contact of the first relay 10 and the second relay 11, only the indicating signal can be output when the turnout does not act, and the possibility of mixed power is solved.

[0067] By using the green first voltage lamp 17 and the yellow second voltage lamp 18, it can be directly distinguished whether it is positioning indicating or reverse indicating, and the polarity of the voltage and the measured voltage can be directly judged, only when the voltage polarity is correct, the indicating lamp can be bright, and the state of the turnout can be directly displayed.

[0068] By using the turnout operating box, new cable wiring can be directly connected to the distribution board, and the circuit whole process test can be carried out on the new box and the new switch machine in the outdoor.

[0069] The utility model discloses a kind of turnout operating boxes, by using the turnout operating box of the utility model, the operating test of turnout can be carried out in skylight point outside, and it can ensure that electric switch machine is connected once successfully after test is completed;By using the turnout operating box of the utility model, it can not occupy the number of existing station skylight, does not produce any influence to driving, does not produce any influence to existing equipment, and ensures driving safety and existing equipment safety.

[0070] The utility model discloses a switch operating box, which can be used for full-scale test of switch action and indicating circuit, and can achieve the same effect as station interlocking test.

[0071] The utility model discloses a switch operating box, which can be used for full-scale test of switch action and indicating circuit, and can achieve the same effect as station interlocking test.

[0072] The utility model discloses a switch operating box, which can be used for full-scale test of switch action and indicating circuit, and can achieve the same effect as station interlocking test.

[0073] The utility model discloses a switch operating box, which can be used for full-scale test of switch action and indicating circuit, and can achieve the same effect as station interlocking test.

[0074] The utility model discloses a switch operating box, which can be used for full-scale test of switch action and indicating circuit, and can achieve the same effect as station interlocking test.

[0075] The utility model discloses a switch operating box, which can be used for full-scale test of switch action and indicating circuit, and can achieve the same effect as station interlocking test.

Claims

1. A points operating box characterised in that: The utility model relates to a kind of switch machine control box, including box (1), and be arranged in box (1) air switch (2), first transformer (3), second transformer (4), third transformer (5), positioning action switch (6), reverse action switch (7), first self-induction mutual inductance relay (8), second self-induction mutual inductance relay (9), first relay (10), second relay (11), third relay (12), fourth relay (13), fifth relay (14), sixth relay (15) and switch machine terminal post (16);The air switch (2) is connected with AC220V, and air switch (2) is also connected with first transformer (3), second transformer (4) and third transformer (5) respectively; The first transformer (3) converts AC220V into DC220V, DC220V+ is connected with fifth relay (14) and sixth relay (15) respectively, DC220V- is connected with first relay (10) and second relay (11) respectively, and first relay (10), second relay (11), fifth relay (14) and sixth relay (15) are connected with switch machine terminal post (16) respectively; The second transformer (4) converts AC220V into DC24V, DC24V+ is connected with positioning action switch (6), reverse action switch (7), first self-induction mutual inductance relay (8) and second self-induction mutual inductance relay (9) respectively, and positioning action switch (6) and reverse action switch (7) are connected with first self-induction mutual inductance relay (8) respectively, first self-induction mutual inductance relay (8) is connected with first relay (10) and second relay (11) respectively, and second self-induction mutual inductance relay (9) is connected with first relay (10), second relay (11), third relay (12) and fourth relay (13) respectively, DC24V- is connected with first self-induction mutual inductance relay (8), second self-induction mutual inductance relay (9), first relay (10), second relay (11), third relay (12), fourth relay (13), fifth relay (14) and sixth relay (15) respectively; The third transformer (5) converts AC220V into AC110V, and third transformer (5) is connected with first relay (10), second relay (11), third relay (12) and fourth relay (13) respectively.

2. A switch operating box according to claim 1, characterised in that: The DC220V+ of first transformer (3) is connected with the 5,6 contact of fifth relay (14), the 3 contact of fifth relay (14) is connected with X1 of switch machine terminal post (16), and the 4 contact of fifth relay (14) is connected with X5 of switch machine terminal post (16);The DC220V+ of first transformer (3) is also connected with the 5,6 contact of sixth relay (15), the 3 contact of sixth relay (15) is connected with X2 of switch machine terminal post (16), and the 4 contact of sixth relay (15) is connected with X6 of switch machine terminal post (16);The DC220V- of first transformer (3) is connected with the 8 contact of first relay (10) and second relay (11) respectively.

3. A switch operating box according to claim 1, characterized in that: The DC 24V+ of the second transformer (4) is connected with the DC 24+ of the first self-induction mutual-induction relay (8), the DC 24+ of the second self-induction mutual-induction relay (9), the positioning action switch (6) and the reverse positioning action switch (7) respectively, and the positioning action switch (6) and the reverse positioning action switch (7) are connected with the first self-induction mutual-induction relay (8) respectively; the DC 24V- of the second transformer (4) is connected with the DC 24- of the first self-induction mutual-induction relay (8), the DC 24- of the second self-induction mutual-induction relay (9), the 13-contact of the first relay (10), the 13-contact of the second relay (11), the 13-contact of the third relay (12), the 13-contact of the fourth relay (13), the 7-contact of the fifth relay (14) and the 7-contact of the sixth relay (15) respectively.

4. A switch operating box according to claim 1, characterized in that: The L1 contact of the first self-induction mutual-induction relay (8) is connected with the 14+ contact of the first relay (10), the 14+ contact of the first relay (10) is connected with the 9 contact of the first relay (10), and the 5 contact of the first relay (10) is connected with the 8+ contact of the fifth relay (14); the L2 contact of the first self-induction mutual-induction relay (8) is connected with the 14+ contact and the 9 contact of the second relay (11) respectively, and the 5 contact of the second relay (11) is connected with the 8+ contact of the sixth relay (15).

5. A switch operating box according to claim 1, characterized in that: The L1 contact of the second self-induction mutual-induction relay (9) is connected with the 14+ contact of the third relay (12), and the L2 contact of the second self-induction mutual-induction relay (9) is connected with the 14+ contact of the fourth relay (13); the second self-induction mutual-induction relay (9) is also connected with the 1 contact of the first relay (10) and the 1 contact of the second relay (11).

6. A switch machine cabinet according to claim 1, characterized in that: The AC 110V of the third transformer (5) is connected with the 9 contact of the third relay (12) and the 9 contact of the fourth relay (13) respectively, the 5 contact of the third relay (12) is connected with the 10 contact of the first relay (10), and the 2 contact of the first relay (10) is connected with the X1 of the switch machine terminal (16); the 5 contact of the fourth relay (13) is connected with the 10 contact of the second relay (11), the 2 contact of the second relay (11) is connected with the X2 of the switch machine terminal (16), the AC 110V of the third transformer (5) is also connected with the 11 contact of the second relay (11), the 3 contact of the second relay (11) is connected with the 11 contact of the first relay (10), the 3 contact of the first relay (10) is connected with the X3 of the switch machine terminal (16), and the first voltage lamp (17) is also connected between the X1 of the switch machine terminal (16) and the X3 of the switch machine terminal (16), and the second voltage lamp (18) is also connected between the X2 of the switch machine terminal (16) and the X3 of the switch machine terminal (16); the 12 contacts of the first relay (10) and the second relay (11) are connected with the ammeter (19) respectively, and the ammeter (19) is connected with the X4 of the switch machine terminal (16).

7. A points operating box according to claim 6, characterised in that: The air switch (2), the positioning action switch (6), the reverse positioning action switch (7), the switch machine terminal (16), the first voltage lamp (17), the second voltage lamp (18) and the ammeter (19) are arranged on the operation plane of the box body (1).

8. A switch machine cabinet according to claim 1, characterized in that: The fifth relay (14) and the sixth relay (15) are large-current relays.

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