CN103158639B - Truck circuit controlled by bus module - Google Patents

Abstract

The invention discloses a truck circuit controlled by a bus module. Based on an existing truck body control module, the bus module suitable for being used by a truck is developed, reasonable circuit layout is conducted, and thus a complete truck control system is formed to control operation of light, a loudspeaker, a windscreen wiper, electric windows and the like of the overall truck, a control main body is composed by a truck body module and an underpan module, the truck body module is arranged near a combined switch on which control signals are most concentrated, the underpan module is arranged near head lamps, the control signals are input into the nearest module, data are transmitted between modules through a controller area network (CAN) bus, and the data are output from corresponding pins. Due to the fact that the truck circuit controlled by the bus module is used in the truck, the use of wiring harnesses, safety pieces and relays is greatly reduced, spaces in the truck are saved, and cost and failure risks are lowered.

Description

The truck circuit that a kind of bus module controls

Technical field

The present invention relates to a kind of truck control circuit, particularly the truck circuit that controls of a kind of bus module.

Background technology

What truck main circuit domestic at present will adopt is the master mode that wire fuse adds relay.For realizing more complicated logic, a large amount of relay need be used to carry out series and parallel, and make circuit become tediously long complexity, the connection mode of prior art, is generally: safety plate-relay coil-switch; Safety plate-relay contact-current consumer.

In order to realize the control logic of more complicated, wire harness needs repeatedly to connect between the components.Such as, for realizing fog tail lamp work, it is desirable that: control safety plate-lampet relay coil-adverse-weather lamp relay coil-fog tail lamp relay coil-rear fog lamp switch; Fog tail lamp safety plate-fog tail lamp relay coil-fog tail lamp.Need a large amount of safety plates and relay, about 20 meters, required electric wire, takies large quantity space and poor reliability, also has part to use bus module to add the master mode of relay, but the problem that still there is wire harness complexity, take up room.

Summary of the invention

The object of the invention is to overcome the problems referred to above, the truck circuit that a kind of bus module controls is provided.

For achieving the above object, the method that the present invention adopts is: the truck circuit that a kind of bus module controls, described truck control circuit comprises body modules and chassis module, and described body modules is connected with power supply and CAN communication system, head lamp and fog lamp system, windscreen wiper and air regulator washing system, steering indicating light and danger warning lamp system, horn system, window regulator system; Described chassis module is connected with power supply and CAN communication system, rear light system, backing-up lamp system, brake light system, fule heater system, air dryer heating system, air conditioner compressor system.

Described power supply and CAN communication system (1) comprise the first insurance (121), second insurance (122), 3rd insurance (123), primary power source switch (111), wake-up switch (113) and storage battery (1000), the A1-11 input pin of described body modules, the A2-11 input pin of chassis module connects primary power source switch (111), the A1-1 input pin of described body modules by the first insurance (121), chassis module A2-1 input pin connects wake-up switch (113), the B1-6 of described body modules by the 3rd insurance (123), B1-7, B1-16, B1-17 output pin, the B2-6 of chassis module, B2-7, B2-16, B2-17 output pin is by the second insurance (122) connecting secondary source switch (112), described primary power source switch (111), wake-up switch (113), secondary power supply switch (112) connects the positive pole of storage battery (1000) respectively, the A1-9 of described body modules, A1-10 input pin, the A2-9 input pin of chassis module meets CAN L, A2-19 input pin meets CAN H, A2-10 input pin connects CAN screen layer, the A1-20 input pin of body modules, the B1-3 of body modules, B1-13 output pin connects the negative pole of storage battery (1000),

Described head lamp and fog lamp system (2) comprise left lampet (221), right lampet (222), adverse-weather lamp (223), fog tail lamp (224), passing light (225), left country beam (226), right country beam (227), and the switch of lampet and fog lamp (211), adverse-weather lamp switch (212), rear fog lamp switch (213), passing light switch (214), main furnace building light switch (215), the A1-6 input pin of described body modules connects the switch (211) of lampet and fog lamp, the B2-4 of chassis module, B2-13 output pin connects left lampet (221), right lampet (222) power supply exports, the A1-13 input pin of described body modules connects adverse-weather lamp switch (212), the B2-8 output pin of chassis module connects adverse-weather lamp (223) power supply and exports, the A1-14 input pin of described body modules connects rear fog lamp switch (213), the B2-18 output pin of chassis module connects fog tail lamp power supply and exports, the A1-7 input pin of described body modules connects passing light switch (214), the A1-8 input pin of body modules connects main furnace building light switch (215), the B2-9 output pin of chassis module exports close to light modulation (225) power supply, the B2-10 output pin of chassis module connects left country beam (226) power supply and exports, B2-20 output pin connects right country beam (227) power supply and exports.

Described windscreen wiper and air regulator washing system comprise windscreen wiper high speed switch, windscreen wiper low speed switch, air regulator wash switch and windscreen wiper low gear, windscreen wiper high speed gear.The A1-15 input pin pin of described body modules connects windscreen wiper reset signal, the A1-16 input pin of body modules connects windscreen wiper gap switch, the A1-17 input pin pin of body modules connects windscreen wiper low speed switch, the B1-19 output pin of body modules connects windscreen wiper low gear power supply and exports, the A1-18 input pin of body modules connects windscreen wiper high speed switch, body modules output pin B1-10 connects windscreen wiper high speed gear power supply and exports, the A1-3 input pin of body modules is given a dinner for a visitor from afar window wash switch, and the B1-12 output pin of body modules connects washing motor power supply and exports.

Described steering indicating light and danger warning lamp system comprise left steering lamp and right steering lamp, and emergency switch, left steering light switch and right steering light switch.The A1-2 input pin of described body modules connects emergency switch, the A1-4 input pin of body modules connects left steering light switch, the A1-5 input pin of body modules connects right steering light switch, the B1-1 output pin of body modules connects left steering lamp and exports, and the B1-2 output pin of body modules connects right steering lamp and exports.

Described horn system comprises horn switch and loudspeaker, and the A1-12 input pin of described body modules connects horn switch signal; The B1-11 output pin of body modules connects loudspeaker power supply and exports.

Described window regulator system (6) comprises left-hand door lifter (621), right door lifter (622), and left-hand door window rises switch (611), switch (612) falls in left-hand door window, right window enable switch (614), right door and window rises switch (613) and switch (615) falls in right door and window, the A2-8 input pin of described chassis module connects left-hand door window and rises switch (611), A2-7 input pin connects left-hand door window and falls switch (612), the B1-4 input pin of body modules connects the anode of left-hand door window glass lifter motor, B1-5 input pin connects the negative terminal of left-hand door window glass lifter motor, the A2-3 input pin of described chassis module connects right window enable switch (614), the A2-18 input pin of chassis module connects that right door and window rises switch (613), A2-17 input pin connects right door and window and falls switch (615), the negative terminal that B1-14 connects the anode of right door windowpane elevator motor, B1-15 output pin connects right door windowpane elevator motor of body modules.

Described rear light system comprises rear light and rear light switch, and the A2-15 input pin of described chassis module connects rear light switch, and the B2-5 input pin of chassis module connects rear light;

Described backing-up lamp system comprises backing-up lamp and back-up lamp switch, and the A2-14 input pin of described chassis module connects back-up lamp switch, and the B2-12 output pin of chassis module connects backing-up lamp;

Described brake light system comprises brake lamp and stop lamp switch, and the A2-4 input pin of described chassis module connects stop lamp switch, and the B2-2 output pin of chassis module connects brake lamp and exports;

Described fule heater system comprises fule heater and fule heater switch, the A2-5 input pin BOR Bunker of Redelivery heater switch of described chassis module, the B2-15 output pin BOR Bunker of Redelivery temperature booster of chassis module;

Described air dryer heating system comprises air oxygen detrition temperature booster and air oxygen detrition heater switch, and the A2-16 input pin of described chassis module connects air oxygen detrition heater switch, and the B2-14 output pin of chassis module connects air oxygen detrition temperature booster.

Described air conditioner compressor system comprises air-conditioning compressor magnetic clutch and air-conditioning compressor switch, and the A2-6 input pin of described chassis module connects air-conditioning compressor switch, and the B2-19 output pin of chassis module connects air-conditioning compressor magnetic clutch.

As a modification of the present invention, described first insurance by maximum current be 15A.

As a modification of the present invention, described second insurance by maximum current be 50A.

As a modification of the present invention, described 3rd insurance by maximum current be 5A.

The invention has the beneficial effects as follows: use this technology on truck after, greatly reduce the use of wire harness, safety plate and relay, save interior space, reduce costs and failure risk.

Accompanying drawing explanation

Fig. 1 is structural representation of the present invention.

Detailed description of the invention

Below in conjunction with accompanying drawing, the present invention is further illustrated:

The truck circuit that a kind of bus module as described in Figure 1 controls, comprise body modules, and chassis module, described body modules is connected with power supply and CAN communication system 1, head lamp and fog lamp system 2, windscreen wiper and air regulator washing system 3, steering indicating light and danger warning lamp system 4, horn system 5, window regulator system 6; Described chassis module is connected with CAN communication system 1, rear light system 7, backing-up lamp system 8, brake light system 9, fule heater system 10, air dryer heating system 11, air conditioner compressor system 12.

Described power supply and CAN communication system 1 comprise the first insurance 121, second and insure the 122, the 3rd insurance 123, primary power source switch 111, wake-up switch 113 and storage battery 1000.The A1-11 input pin of described body modules, the A2-11 input pin of chassis module connect primary power source switch 111 by the first insurance 121; A1-1 input pin, the chassis module A2-1 input pin of described body modules connect wake-up switch 113 by the 3rd insurance 123; B1-6, B1-7, B1-16, B1-17 output pin of described body modules, B2-6, B2-7, B2-16, B2-17 output pin of chassis module is by the second insurance 122 connecting secondary source switchs 112; Described primary power source switch 111, wake-up switch 113, secondary power supply switch 112 connects the positive pole of storage battery 1000 respectively; A1-9, A1-10 input pin of described body modules, the A2-9 input pin of chassis module connects CAN L, A2-19 input pin and connects CAN H, A2-10 input pin and connect CAN screen layer; The A1-20 input pin of body modules, B1-3, B1-13 output pin of body modules connects the negative pole of storage battery 1000.Wherein the 3rd insurance 123 by maximum current be 5A, second insurance 122 by maximum current be 50A, first insurance 121 by maximum current be 15A.

In head lamp and fog lamp system 2, described head lamp and fog lamp system 2 comprise left lampet 221, right lampet 222, adverse-weather lamp 223, fog tail lamp 224, passing light 225, left country beam 226, right country beam 227, and the switch 211 of lampet and fog lamp, adverse-weather lamp switch 212, rear fog lamp switch 213, passing light switch 214, main furnace building light switch 215.Described body modules input pin A1-6 connects the switch 211 of lampet and fog lamp, output pin B2-4, B2-13 of chassis module connect left lampet 221, right lampet 222 power supply exports, described body modules input pin A1-13 connects adverse-weather lamp switch 212 signal, chassis module output pin B2-8 connects adverse-weather lamp 223 power supply and exports, its maximum current 10A, only have when left lampet 221 or right lampet 222 are lighted, adverse-weather lamp 223 just can be opened.Described body modules A1-14 pin connects rear fog lamp switch 213 signal, and chassis module B2-18 pin connects fog tail lamp power supply and exports, and its maximum current 10A, only have when adverse-weather lamp 223 is lighted, fog tail lamp 224 just can be opened.Described body modules input pin A1-7 connects passing light switch 214 signal, A1-8 pin connects main furnace building light switch 215 signal, chassis module output pin B2-9 exports close to light modulation 225 power supply, maximum current 10A, the B2-10 output pin of chassis module connects the output of left country beam 226 power supply, B2-20 output pin connects right country beam 227 power supply and exports, the maximum current 20A of described country beam.

Described windscreen wiper and air regulator washing system 3 comprise windscreen wiper high speed switch 311, windscreen wiper low speed switch 313, air regulator wash switch 312 and windscreen wiper low gear 323, windscreen wiper high speed gear 321.The input pin A1-15 pin of described body modules connects windscreen wiper reset signal, the input pin A1-16 pin of body modules connects windscreen wiper gap switch 314 signal, the input pin A1-17 pin of body modules connects low speed switch 313 signal of windscreen wiper, body modules output pin B1-19 connects windscreen wiper low gear 323 power supply and exports, maximum current 5A.The input pin A1-18 pin of body modules connects high speed switch 311 signal of windscreen wiper, and body modules output pin B1-10 connects windscreen wiper high speed gear 321 power supply and exports.Body modules input pin A1-3 gives a dinner for a visitor from afar window wash switch signal, and body modules output pin B1-12 pin connects washing motor 324 power supply and exports.The mode of operation of described windscreen wiper and air regulator washing system 3 is:

1 at a high speed: when receiving A1-18 pin high speed signal, no matter whether having A1-17 pin low speed signal, all exporting B1-10 pin high-speed power, do not export B1-19 pin low-speed power.

2 low speed: when receiving only A1-17 pin low speed signal, export B1-19 pin low-speed power.

3 gaps: when receiving A1-16 pin gap signal, at interval of 5 seconds, carry out taking turns low speed and export.

4 returns: when wiper operation is to zero-bit, send reset signal to A1-15 pin.When A1-16/A1-17/A1-18 blackout, treat as and require that windscreen wiper quits work.Now wiper continues to run, until receive next A1-15 pin reset signal, namely judges windscreen wiper back to zero position, and stop power supply exporting, windscreen wiper stops in zero-bit.

Described steering indicating light and danger warning lamp system 4 comprise left steering lamp 421 and right steering lamp 422, and emergency switch 411, left steering lamp 412 switch and right steering lamp 413 switch.Body modules input pin A1-2 connects emergency switch 411 signal, and body modules input pin A1-4 connects left steering light switch 412 signal, and A1-5 connects right steering light switch 413 signal, and body modules output pin B1-1 connects left steering lamp 421 and exports, its maximum current 5A.Body modules output pin B1-2 pin connects right steering lamp 422 and exports, its maximum current 5A.Wherein, body modules input pin A1-2 pin is that primary power source is powered, and band arousal function, also can drive steering indicating light when vehicle cannot be lighted a fire.When connecting body modules input pin A1-2, body modules output pin B1-1/B1-2 pin, all with the rate-adaptive pacemaker of 90 beats/min, makes steering indicating light glimmer.

Described horn system 5 comprises horn switch 511 and loudspeaker 521, and described body modules input pin A1-12 connects horn switch 511; Body modules output pin B1-11 connects loudspeaker 521 power supply and exports, its maximum current 5A.Connect B1-11 pin by external switch and carry out dynamic loud-speaker and air pressure horn conversion.

Described window regulator system 6 comprises left-hand door lifter 621, right door lifter 622, and left-hand door window rises switch 611, switch 612 falls in left-hand door window, right window enable switch 614, right door and window rise switch 613 and switch 615 falls in right door and window.Described chassis module input pin A2-8 connects left-hand door window and rises switch 611, chassis module input pin A2-7 connects left-hand door window and falls switch 612, vehicle body load module pin B1-4 connects the anode of left-hand door window glass lifter motor, and vehicle body load module pin B1-5 connects the negative terminal of left-hand door window glass lifter motor; Described chassis module input pin A2-3 connects right window enable switch 614, chassis module input pin A2-18 connects right door and window and rises switch 613, chassis module input pin A2-17 connects right door and window and falls switch 615, body modules output pin B1-14 connects the anode of right door windowpane elevator motor, and body modules output pin B1-15 connects the negative terminal of right door windowpane elevator motor.Operationally, press chassis module input pin A2-8, body modules output pin B1-4 outgoing current is through motor to body modules output pin B1-5, and motor rotates forward, and glass rises.Otherwise press chassis module input pin A2-7, body modules output pin B1-5 outgoing current is through motor to body modules output pin B1-4, and motor reversal, glass declines.Press chassis module input pin A2-18, body modules output pin B1-14 outgoing current is through motor to body modules output pin B1-15, and motor rotates forward, and glass rises.Otherwise press chassis module input pin A2-17, body modules output pin B1-15 outgoing current is through motor to body modules output pin B1-14, and motor reversal, glass declines.

Described rear light system 7 comprises rear light 721 and rear light switch 711, described chassis module input pin A2-15 connects rear light switch 711, chassis module input pin B2-5 connects rear light 721, the maximum current 10A of described rear light 721, press rear light switch 711, chassis module input pin A2-15 connects, and rear light 721 is lighted.

Described backing-up lamp system 8 comprises backing-up lamp 821 and back-up lamp switch 811, described chassis module input pin A2-14 connects back-up lamp switch 811, chassis module output pin B2-12 connects backing-up lamp 821, the maximum current of described backing-up lamp 821 is 10A, press back-up lamp switch 811, chassis module input pin A2-14 connects, and backing-up lamp 821 is lighted.

Described brake light system 9 comprises brake lamp 921 and stop lamp switch 911, described chassis module input pin A2-4 connects stop lamp switch 911, chassis module output pin B2-2 connects brake lamp 921 and exports, the maximum current 10A of described brake lamp 921, press stop lamp switch 911, chassis module input pin A2-4 connects, and brake lamp 921 is lighted.

Described fule heater system 10 comprises fule heater 1021 and fule heater switch 1011, described chassis module input pin A2-5 BOR Bunker of Redelivery heater switch 1011, chassis module output pin B2-15 BOR Bunker of Redelivery temperature booster 1021, the maximum current 10A of described fule heater 1021, press fule heater switch 1011, chassis module input pin A2-5 connects, and fule heater 1021 works.

Described air dryer heating system 11 comprises air oxygen detrition temperature booster 1121 and air oxygen detrition heater switch 1111, described chassis module input pin A2-16 connects air oxygen detrition heater switch 1111, chassis module output pin B2-14 connects air oxygen detrition temperature booster 1121, described air oxygen detrition temperature booster 1121 maximum current 5A.Press air oxygen detrition heater switch 1111, chassis module input pin A2-16 connects, and air oxygen detrition temperature booster 1121 works.

Described air conditioner compressor system 12 comprises air-conditioning compressor magnetic clutch 1221 and air-conditioning compressor switch 1211, described chassis module input pin A2-6 connects air-conditioning compressor switch 1211, chassis module output pin B2-19 connects air-conditioning compressor magnetic clutch 1221, the maximum current 5A of described air-conditioning compressor magnetic clutch 1221.Press air-conditioning compressor switch 1211, chassis module input pin A2-6 connects, air conditioner compressor system work.

The present invention greatly reduces the use of wire harness, safety plate and relay after passing through to use above-mentioned technology on truck, saves interior space, reduces costs and failure risk.

The above is only preferred embodiment of the present invention, is not restriction the present invention being made to any other form, and any amendment done according to technical spirit of the present invention or equivalent variations, still belong to the present invention's scope required for protection.

Claims (4)

1. the truck circuit of a bus module control, it is characterized in that: described truck circuit comprises body modules and chassis module, described body modules is connected with power supply and CAN communication system (1), head lamp and fog lamp system (2), windscreen wiper and air regulator washing system (3), steering indicating light and danger warning lamp system (4), horn system (5), window regulator system (6); Described chassis module is connected with power supply and CAN communication system (1), rear light system (7), backing-up lamp system (8), brake light system (9), fule heater system (10), air dryer heating system (11), air conditioner compressor system (12);

Described power supply and CAN communication system (1) comprise the first insurance (121), second insurance (122), 3rd insurance (123), primary power source switch (111), wake-up switch (113) and storage battery (1000), the A1-11 input pin of described body modules, the A2-11 input pin of chassis module connects primary power source switch (111), the A1-1 input pin of described body modules by the first insurance (121), chassis module A2-1 input pin connects wake-up switch (113), the B1-6 of described body modules by the 3rd insurance (123), B1-7, B1-16, B1-17 output pin, the B2-6 of chassis module, B2-7, B2-16, B2-17 output pin insures (122) connecting secondary source switch (112) by second, described primary power source switch (111), wake-up switch (113), secondary power supply switch (112) connects the positive pole of storage battery (1000) respectively, the A1-9 of described body modules, the A1-10 input pin of body modules, the A2-9 input pin of chassis module meets CAN L, and chassis module A2-19 input pin meets CAN H, and chassis module A2-10 input pin connects CAN screen layer, the A1-20 input pin of body modules, the B1-3 of body modules, B1-13 output pin connects the negative pole of storage battery (1000),

Described head lamp and fog lamp system (2) comprise left lampet (221), right lampet (222), adverse-weather lamp (223), fog tail lamp (224), passing light (225), left country beam (226), right country beam (227), and the switch of lampet and fog lamp (211), adverse-weather lamp switch (212), rear fog lamp switch (213), passing light switch (214), main furnace building light switch (215), the A1-6 input pin of described body modules connects the switch (211) of lampet and fog lamp, the B2-4 of chassis module, B2-13 output pin connects left lampet (221), right lampet (222) power supply exports, the A1-13 input pin of described body modules connects adverse-weather lamp switch (212), the B2-8 output pin of chassis module connects adverse-weather lamp (223) power supply and exports, the A1-14 input pin of described body modules connects rear fog lamp switch (213), the B2-18 output pin of chassis module connects fog tail lamp power supply and exports, the A1-7 input pin of described body modules connects passing light switch (214), the A1-8 input pin of body modules connects main furnace building light switch (215), the B2-9 output pin of chassis module exports close to light modulation (225) power supply, the B2-10 output pin of chassis module connects left country beam (226) power supply and exports, B2-20 output pin connects right country beam (227) power supply and exports,

Described windscreen wiper and air regulator washing system (3) comprise windscreen wiper high speed switch (311), windscreen wiper low speed switch (313), air regulator wash switch (312) and windscreen wiper low gear (323), windscreen wiper high speed gear (321), the A1-15 input pin pin of described body modules connects windscreen wiper reset signal, the A1-16 input pin of body modules connects windscreen wiper gap switch (314), the A1-17 input pin of body modules connects windscreen wiper low speed switch (313), the B1-19 output pin of body modules connects windscreen wiper low gear (323) power supply and exports, the A1-18 input pin of body modules connects windscreen wiper high speed switch (311), body modules output pin B1-10 connects windscreen wiper high speed gear (321) power supply and exports, the A1-3 input pin of body modules is given a dinner for a visitor from afar window wash switch (312), the B1-12 output pin of body modules connects washing motor (324) power supply and exports,

Described steering indicating light and danger warning lamp system (4) comprise left steering lamp (421) and right steering lamp (422), and emergency switch (411), left steering lamp (412) switch and right steering lamp (413) switch; The A1-2 input pin of described body modules connects emergency switch (411), the A1-4 input pin of body modules connects left steering lamp (412) switch, the A1-5 input pin of body modules connects right steering lamp (413) switch, the B1-1 output pin of body modules connects left steering lamp (421) and exports, and the B1-2 output pin of body modules connects right steering lamp (422) and exports;

Described horn system (5) comprises horn switch (511) and loudspeaker (521), and the A1-12 input pin of described body modules connects horn switch (511) signal; The B1-11 output pin of body modules connects loudspeaker (521) power supply and exports;

Described window regulator system (6) comprises left-hand door lifter (621), right door lifter (622), and left-hand door window rises switch (611), switch (612) falls in left-hand door window, right window enable switch (614), right door and window rises switch (613) and switch (615) falls in right door and window, the A2-8 input pin of described chassis module connects left-hand door window and rises switch (611), A2-7 input pin connects left-hand door window and falls switch (612), the B1-4 input pin of body modules connects the anode of left-hand door window glass lifter motor, B1-5 input pin connects the negative terminal of left-hand door window glass lifter motor, the A2-3 input pin of described chassis module connects right window enable switch (614), the A2-18 input pin of chassis module connects that right door and window rises switch (613), A2-17 input pin connects right door and window and falls switch (615), the negative terminal that B1-14 connects the anode of right door windowpane elevator motor, B1-15 output pin connects right door windowpane elevator motor of body modules,

Described rear light system comprises rear light (721) and rear light switch (711), and the A2-15 input pin of described chassis module connects rear light switch (711), and the B2-5 input pin of chassis module connects rear light (721);

Described backing-up lamp system (8) comprises backing-up lamp (821) and back-up lamp switch (811), and the A2-14 input pin of described chassis module connects back-up lamp switch (811), and the B2-12 output pin of chassis module connects backing-up lamp (821);

Described brake light system (9) comprises brake lamp (921) and stop lamp switch (911), and the A2-4 input pin of described chassis module connects stop lamp switch (911), and the B2-2 output pin of chassis module connects brake lamp (921) and exports;

Described fule heater system (10) comprises fule heater (1021) and fule heater switch (1011), A2-5 input pin BOR Bunker of Redelivery heater switch (1011) of described chassis module, B2-15 output pin BOR Bunker of Redelivery temperature booster (1021) of chassis module;

Described air dryer heating system (11) comprises air oxygen detrition temperature booster (1121) and air oxygen detrition heater switch (1111), the A2-16 input pin of described chassis module connects air oxygen detrition heater switch (1111), and the B2-14 output pin of chassis module connects air oxygen detrition temperature booster (1121);

Described air conditioner compressor system (12) comprises air-conditioning compressor magnetic clutch (1221) and air-conditioning compressor switch (1211), the A2-6 input pin of described chassis module connects air-conditioning compressor switch (1211), and the B2-19 output pin of chassis module connects air-conditioning compressor magnetic clutch (1221).

2. the truck circuit that controls of a kind of bus module according to claim 1, is characterized in that: the first insurance (121) by maximum current be 15A.

3. the truck circuit that controls of a kind of bus module according to claim 1, is characterized in that: the second insurance (122) by maximum current be 50A.

4. the truck circuit that controls of a kind of bus module according to claim 1, is characterized in that: the 3rd insurance (123) by maximum current be 5A.