CN206278091U - Automatically controlled air conditioner unit with CAN functions - Google Patents

Abstract

The utility model is related to a kind of automatically controlled air conditioner unit with CAN functions, including：ECU electronic control units, are provided with sensor assembly and the ECU modules with CAN communication module in the ECU electronic control units；Loop protection valve；And drier section; wherein; the ECU electronic control units are arranged on the side of the loop protection valve; and be attached by bolt; the drier section is arranged on the opposite side of the loop protection valve; it is attached also by bolt, the CAN communication module can carry out particular feedback according to the automobile specified conditions information for receiving, and the ECU electronic control units process air according to the feedback of the information that the CAN communication module is received.

Description

Automatically controlled air conditioner unit with CAN functions

Technical field

The utility model is related to be air-dried field, more particularly to a kind of automatically controlled air conditioner unit with CAN functions.

Background technology

Vehicular air processing unit is the assembly that air dryer protects valve with multiloop, and air dryer is to from sky The compressed air of press is cleaned, dried and controlled；Multiloop protection valve is used for protection system pressure, therefore, air-treatment Unit provides complete set, succinct, dried and clean, safely and effectively air treatment system for brake system of car.

With the development of heavy truck, the extensive use of vehicle ECU, air dryer for vehicle starts to use by vehicle ECU Carry out monitoring system pressure, such as notification number discloses a kind of electronic compressed air for automobile for the patent of invention of CN1826256A System, the system includes the compressed air consumption part in the compressed air supply section of compressor and multiple foot brake loops, should There are all compressed air consumption loop and all compressed air storage containers in compressed air consumption part, and these consumption loops pass through all electricity Dynamic valve obtains the supply of compressed air, the pressure in all foot brake loops of wherein at least by all Sensor monitorings, these sensors Electric signal assessed by the electronic control unit of an all motor-driven valve of control, the compressed air without compressed air storage container disappears The electrically operated valve for consuming loop is closed under the normal condition of power-off, and can be by when compressed air consumption loop needs compressed air Electronic control unit switches to open mode, so as to foot brake loop or their compressed air storage container and/ Or compressed air supply section sets up connection.The system carries pressure sensor in multiple loops, therefore parts are more, body Product is big, and high cost is not easy to install and safeguards, intelligence degree is relatively low.

The primary structure form of existing air conditioner unit is in a big valve body, to set feather valve, and in its valve There is the drying of molecular sieve in being loaded onto on body, constitute air dryer assembly；Valve assembly is protected to be connected with bolt and multiloop again Connect, be combined into air conditioner unit.Because this air conditioner unit is two assemblys of assembly, therefore, at this air There is the defect that volume is big, production cost is high in reason unit.Such as notification number for the utility model patent of the U of CN 202438249 is disclosed A kind of electric-controlled type Vehicular air processing unit, it includes air dryer assembly, automatically controlled processing unit, total in air dryer Into bottom be provided with for compressed air enter inlet channel, compressed air through inlet channel through air dryer assembly drying After cylinder is dried, the gas outlet through air dryer assembly bottom enters each gas receiver, and the operating pressure of each gas receiver is by automatically controlled Pressure is built in reason unit control realization off-load.The electric-controlled type Vehicular air processing unit is exactly to use above-mentioned structure type, therefore Also there is the defect that above-mentioned volume is big, production cost is high.Due to the presence of drawbacks described above, current this air conditioner unit only exists Configured in the vehicle such as large-scale, high-end commercial car or car, heavy truck, many middle light commercial vehicles, car, agricultural vehicle could not install sky Gas disposal unit（Typically substituted with feather valve）.Therefore, the impurity and moisture in compressed air fail to be processed, it is directly entered Arrive in the pipeline of brakes, in causing these, the braking member in the brakes of light commercial vehicle, car, agricultural vehicle Again and again damage, to user or manufacturer bring high maintenance to and maintenance process in trouble, also bring safety On hidden danger.

To overcome the shortcomings of above-mentioned existing air conditioner unit, there has been proposed some solutions, such as publication No. is The patent of invention of CN102226454 A discloses a kind of integrated air handling unit, and it includes the drying equipped with molecular sieve Tank, feather valve, multiloop air pressure protective valve, back-blowing device and valve body, and will be equipped with the drying chamber of molecular sieve and be arranged on feather valve Side, feather valve and multiloop air pressure protective valve be integrated among same valve body, and back-blowing device is arranged on feather valve.It will The assembly of original two independent assemblies, is integrated into an entirety, so as to be the diminution for realizing overall volume, but is realizing sky While gas disposal unit overall volume reduces, which in turn increases the difficulty of installation and maintenance, I＆M, Er Qiezhi are not easy to Degree can be changed relatively low.

Utility model content

The purpose of this utility model is directed to the defect of above-mentioned prior art, there is provided a kind of automatically controlled air with CAN functions Processing unit.The utility model is adopted the technical scheme that to achieve the above object：

A kind of automatically controlled air conditioner unit with CAN functions, including：ECU electronic control units, in the ECU electronics control Sensor assembly and the ECU modules with CAN communication module are provided with unit processed；Loop protection valve；And drier section, its In, the ECU electronic control units are arranged on the side of the loop protection valve, and are attached by bolt, the drying Device part is arranged on the opposite side of the loop protection valve, is attached also by bolt, and the CAN module energy basis is received Automobile specified conditions information and carry out particular feedback, the ECU electronic control units are received according to the CAN communication module Feedback of the information processes air.

Preferably, the specified conditions information is speed, dynamic regime or on-position.

In any of the above-described scheme preferably, the loop protection valve includes AIRMATIC Dual Control loop, brakes First loop, brakes second servo loop, trailer parking brake system loop, accessory system loop, control system pressure and again The first raw magnetic valve and the second magnetic valve, outside installation valve body, six loop valve bodies, wherein, the AIRMATIC Dual Control loop, The loop of the brakes first, the brakes second servo loop, the trailer parking brake system loop, the auxiliary system System loop is arranged in loop protection valve body, and first magnetic valve and second magnetic valve are arranged on the loop protection On valve body one side, the outside valve body, six loop valve body installed be separately mounted to the loop protection valve body Upper and lower side.

In any of the above-described scheme preferably, the drier section includes safety valve, silencer, pressure limiting valve and institute Drier valve body, outside mounting flange, exhaust apparatus and the drying of loop protection valve connection are stated, wherein, the drier valve The side of body is provided with the mounting surface being connected with the loop protection valve body, and opposite side is provided with the safety valve, and by screw thread The drier valve body is connected to, the side on the other direction of the drier valve body is provided with air inlet and the accessory system The outlet in loop, the drier valve body top is provided with the drying, and the drying passes through spiral shell with the drier valve body Line is connected, and the pressure limiting valve is arranged on the drier valve body lower section, and the exhaust apparatus is arranged under the drier valve body The side of side, the silencer is arranged on the exhaust apparatus lower section.

In any of the above-described scheme preferably, the loop of the brakes first, the brakes second servo loop, institute Trailer parking brake system loop is stated without extra pressure sensor, band pressure sensor, can pass through in the ECU modules CAN communication module transfer pressure data.

In any of the above-described scheme preferably, when the ECU electronic control units detect the loop protection valve output Air pressure at mouthful, the output pressure that will be detected is converted into Voltage Feedback to the ECU electronic control units, the ECU electronics control First magnetic valve, the break-make of second magnetic valve that unit processed passes through logical program operation control electric-control system.

In any of the above-described scheme preferably, when detecting that pressure is more than default cut-out pressure, first magnetic valve Work, compressed air reaches chamber through passage, promotes exhaust pition, makes the drier section off-load, meanwhile, air pressure is through throttling Hole, check valve, reach the drier section recoil drying, make the regenerating molecular sieve in the drying.

In any of the above-described scheme preferably, when the air pressure of the delivery outlet of the loop protection valve is less than preset value, The ECU electronic control units are supplied to the drier section again by the second solenoid valve control air compressor machine.

In any of the above-described scheme preferably, according to the virtual condition of the drying, amount of regeneration can be reduced to At least；No matter whether air compressor machine is cut off, and can set unconditional timing regeneration.

In any of the above-described scheme preferably, all mounting hole concentrated settings in each loop are in same direction.

In any of the above-described scheme preferably, all mounting hole concentrated settings in each loop are in the installation valve On the same side of body.

In any of the above-described scheme preferably, ECU parameters can be set in curstomer's site or in assembly shop, can be by gas Pressure regulation is arranged on 9 to 12.5BAR.

In any of the above-described scheme preferably, can record in the middle of the suitable drying property data of the drying one Value.

In any of the above-described scheme preferably, dynamic regulating system pressure balance under driving states.

In any of the above-described scheme preferably, when temperature is below 5 °C, electricity can be cancelled by special software computing and is added Hot device.

The utility model has the advantages that to reduce installs part or beneficial effect, is embodied in 1）Regeneration barrel need not be equipped with to being System regeneration, it is therefore not necessary to the support of configuration regeneration barrel and its connection regeneration barrel, tracheae and pipe joint etc. in addition, meanwhile, also reduce Space shared by air conditioner unit；2）The loop of brakes first, brakes second servo loop, trailer parking brake system Without extra pressure sensor, band pressure sensor, can pass through CAN communication module transfer number pressure in ECU modules in system loop According to automatically controlled air conditioner unit of the utility model with CAN functions（E-APU）Received by CAN communication module energy basis The different condition information of automobile is fed back accordingly（Such as：Speed, dynamic regime, on-position）, ECU is according to CAN communication The feedback of the information that module is received processes air.

The utility model has the advantages that convenient installation or beneficial effect, is embodied in 1）All of mounting hole concentrated setting In same direction, i.e. the loop of brakes first, brakes second servo loop, trailer parking brake system loop, accessory system Loop, AIRMATIC Dual Control loop each outlet opening concentrated setting outside install valve body the same side on so that install extremely It is convenient, while being also easily accessible for service；2）Can be provided separately on truck and bus and use, ECU parameters can curstomer's site or Assembly shop is set, for example, air pressure adjustment can be arranged on into 9 to 12.5BAR.

The utility model has intelligent regenerative function, is embodied in 1）According to the virtual condition of drying, can be by amount of regeneration It is reduced to minimum；No matter whether air compressor machine is cut off, and can set unconditional timing regeneration；2）Optimal drying is kept to imitate Energy：The suitable drying property data median of drying one can be recorded, it is known that specifically used amount of air, etc., then Life is most perfect, is exactly to repeat regeneration in the long-term supply stage to the optimum state of recovery drier.

The utility model has the beneficial effect of Based Intelligent Control air compressor machine, is embodied in 1）Unusual save energy：Driving states Lower dynamic regulating system pressure balance, cut-out pressure is not unconditional maximum pressure；2）General performance is improved：By optimization Control air compressor machine, it is possible to reduce drier intake air temperature, so that extend drier service life, while drying property is improved, temperature Degree can cancel electric heater below 5 °C by special software computing.

Brief description of the drawings

Fig. 1 is the structural representation of a preferred embodiment of the utility model air conditioner unit；

Fig. 2 is a generalized section of preferred embodiment shown in Fig. 1.

Fig. 3 is the in-built generalized section of loop protection valve of preferred embodiment shown in Fig. 1.

Fig. 4 is the operation principle schematic diagram of preferred embodiment shown in Fig. 1.

Specific embodiment

The utility model is described in detail below in conjunction with the accompanying drawings.

Fig. 1 is the structural representation of the preferred embodiment for representing the utility model air conditioner unit；Fig. 2 is Fig. 1 One generalized section of shown preferred embodiment；Fig. 3 is that the loop protection valve of preferred embodiment shown in Fig. 1 is in-built One generalized section；Fig. 4 is the operation principle schematic diagram of preferred embodiment shown in Fig. 1.

As shown in Figure 1, Figure 2 with shown in 3：Electrical air processing unit includes in this example：ECU electronic control units 13, loop Protection valve 14, and drier section 15, wherein, ECU electronic control units 13 are arranged on the side of loop protection valve 14, and lead to Cross bolt to be attached, drier section 15 is arranged on the opposite side of loop protection valve 14, is attached also by bolt.ECU Electronic control unit 13 includes sensor assembly 38, the ECU modules 39 with CAN communication module.Loop protection valve 14 includes air Suspension loop 25, the first loop of brakes 21, brakes second servo loop 22, trailer parking brake system loop 23, First magnetic valve 7 and the second magnetic valve 8 of accessory system loop 24, control system pressure and regeneration, outside installation valve body 19, six Loop valve body 27, wherein, AIRMATIC Dual Control loop 25, the first loop of brakes 21, brakes second servo loop 22, trailer Parking brake system loop 23, accessory system loop 24 are arranged in loop protection valve body, the first magnetic valve 7 and the second electromagnetism Valve 8 is arranged on loop protection valve body one side, the outside valve body 19, six loop valve bodies 27 installed is separately mounted to loop protection The side up and down of valve body.Drier section 15 includes the connection of safety valve 18, silencer 16, pressure limiting valve 17 and loop protection valve Drier valve body 20, outside mounting flange 26, exhaust apparatus 32, wherein, the side of drier valve body 20 is provided with and return valve Body connection mounting surface, opposite side is provided with safety valve, and is threadingly attached to drier valve body 20, drier valve body 20 it is another Side on one direction is provided with the outlet 24.3 in air inlet 1.1 and accessory system loop 24, and the top of drier valve body 20 is provided with dry Dry cylinder, the drying is connected through a screw thread with drier valve body 20, and pressure limiting valve 17 is arranged on the lower section of drier valve body 20, exhaust Device 32 is arranged on the side below valve body, and silencer 16 is arranged on the lower section of exhaust apparatus 32.

All of mounting hole concentrated setting is in same direction, i.e. the first loop of brakes 21, brakes second time Road 22, trailer parking brake system loop 23, accessory system loop 24, the outlet opening 21.1 in AIRMATIC Dual Control loop 25, 21.2nd, 21.3,22.1,22.2,23.1,23.2,24.1,24.2,25.1,25.2 concentrated settings are installing the same side of valve body 19 On, this arrangement has saved the space of pipeline installation, makes the overall volume for taking of whole air conditioner unit further Reduce, and so that extremely convenient is installed, meanwhile, it is also convenient for safeguarding.

The first loop of brakes 21, brakes second servo loop 22, trailer parking brake system loop 23 are without extra Pressure sensor, band pressure sensor, can pass through CAN communication module transfer pressure data in ECU modules：The utility model band The automatically controlled air conditioner unit of CAN functions（E-APU）Can be believed according to the different condition of the automobile for receiving by CAN communication module Breath is fed back accordingly（Such as：Speed, dynamic regime, on-position）, that is to say, that E-APU is connect by CAN communication module The automobile specified conditions information for receiving carries out particular feedback, and ECU electronic control units are anti-according to the information that CAN communication module is received Present to process air.

ECU parameters can be set in curstomer's site or in assembly shop, for example, air pressure adjustment can be arranged on into 9 and arrived 12.5BAR, therefore can provide and used on truck and bus, purposes is relatively broad.

The operation principle of automatically controlled air conditioner unit of the utility model with CAN functions is as follows：

As shown in figure 4, enter A chambers through the air inlet 1.1 of electrical air processing unit by air compressor machine compressed air out, At this moment due to temperature drop, condensed water can be produced, at condensation flow to discharge chamber B.Compressed air is miscellaneous through drying 12 simultaneously Matter, moisture content are taken off and are attached on the molecular sieve of drying 12, and, by check valve J, a part is through logical for dried compressed air Road L reaches loop protection valve body M and N chambers, and another part compressed air reaches drier valve body K chambers, through the compression after pressure limiting Air reaches G chambers and F chambers by E.When the spring force that the compressed air in M chambers overcomes AIRMATIC Dual Control loop 25 to export, beat Valve opening door, compressed air flow direction exports 25.1 and 25.2, and similarly the compressed air in N chambers respectively overcomes the first loop of brakes 21 During the spring force exported with brakes second servo loop 22, the outlet valve in the loop is opened respectively.Compressed air flows respectively To outlet 21.1,21.2,21.3 and 22.1,22.2；Similarly the compressed air in F chambers overcomes the spring that accessory system loop 24 exports During power, valve, compressed air flow direction outlet 24.1 and 24.2 are opened.The compressed air one of the outlet of the first loop of brakes 21 is small P chambers are led in part through throttle orifice 30, and the compressed air sub-fraction of the outlet of brakes second servo loop 22 leads to Q through throttle orifice Chamber, when the air pressure of the outlet of the first loop of brakes 21 and the outlet of brakes second servo loop 22 reaches the pressure for overcoming spring 5 During value, the valve for leading to the outlet of trailer parking brake system loop 23 is opened, and the compressed air in G chambers leads to outlet 23.1 through valve With 23.2.

When the measure loop of ECU electronic control units 13 protects valve equipped at outlet port air pressure, i.e. the first loop of brakes 21, The exit air pressure of brakes second servo loop 22, the output pressure that will be detected is converted into Voltage Feedback and gives ECU Electronic Control lists 13, ECU of unit electronic control units 13 are by the first magnetic valve 7 of logical program operation control electric-control system, the second magnetic valve 8 Break-make, when detecting that pressure is more than default cut-out pressure, the first magnetic valve 7 works, and compressed air reaches chamber 10 through passage 9, pushes away Dynamic exhaust pition 11, makes drier off-load, meanwhile, air pressure reaches drier recoil drying through throttle orifice 34, check valve 35 12, make the regenerating molecular sieve in drying 12, when the air pressure of drier delivery outlet is less than preset value, ECU electronic control units 13 control air compressor machine by the second magnetic valve 8, are supplied to drier again.The process intactly realizes compressed-air drier Off-load, backflow recoil regeneration, the process that supplies again.

The utility model need not be equipped with regeneration barrel to system regeneration, it is therefore not necessary to configure regeneration barrel and its connection in addition again Support, tracheae and pipe joint of cylinder etc. are given birth to, the space shared by air conditioner unit is reduced.It is easy to make on more vehicles With, assembly process is reduced, reduce labor strength.

Automatically controlled air conditioner unit of the utility model with CAN functions has good intelligent regenerative function.

According to the virtual condition of drying, amount of regeneration can be reduced at least；No matter whether air compressor machine is cut off, and all may be used To set unconditional timing regeneration.

Keep optimal and dry efficiency：The suitable drying property data median of drying one can be recorded, it is known that Specifically used amount of air, etc., regeneration is most perfect；The long-term supply stage to recovery drier optimum state just It is to repeat regeneration.

Automatically controlled air conditioner unit of the utility model with CAN functions can be with intelligentized control method air compressor machine.What it was brought Effect is unusual save energy, can be in dynamic regulating system pressure balance under driving states, and cut-out pressure is not unconditional Maximum pressure；And, some performances are improved, such as, by optimal control air compressor machine, can reduce drier and enter temperature Degree, so that extend drier service life, while improving drying property.Further, in temperature below 5 °C, can be by special soft Electric heater is cancelled in part computing.

Embodiment described above, simply one kind of the utility model more preferably specific embodiment, this area The usual variations and alternatives that technical staff is carried out in the range of technical solutions of the utility model should all be included in of the present utility model Within protection domain.

Claims (15)

1. a kind of automatically controlled air conditioner unit with CAN functions, it is characterised in that including：ECU electronic control units (13), Sensor assembly (38) and the ECU modules (39) with CAN communication module are provided with the ECU electronic control units (13)；Return Protect valve (14) in road；And drier section (15), wherein, the ECU electronic control units (13) are arranged on the loop and protect The side of shield valve (14), and be attached by bolt, the drier section (15) is arranged on the loop protection valve (14) Opposite side, be attached also by bolt, the CAN communication module can be entered according to the automobile specified conditions information for receiving Row particular feedback, the ECU electronic control units (13) process sky according to the feedback of the information that the CAN communication module is received Gas.

2. automatically controlled air conditioner unit with CAN functions as claimed in claim 1, it is characterised in that the specified conditions are believed Cease is speed, dynamic regime or on-position.

3. the automatically controlled air conditioner unit with CAN functions as claimed in claim 1, it is characterised in that the loop protection valve (14) stop including AIRMATIC Dual Control loop (25), the loop of brakes first (21), brakes second servo loop (22), trailer Car brakes loop (23), accessory system loop (24), first magnetic valve (7) of control system pressure and regeneration and the second electricity Magnet valve (8), outside installation valve body（19）, six loop valve bodies（27）, wherein, the AIRMATIC Dual Control loop (25), the system It is the dynamic loop of system first (21), the brakes second servo loop (22), the trailer parking brake system loop (23), described Accessory system loop (24) is arranged in loop protection valve body, and first magnetic valve (7) and second magnetic valve (8) are pacified On the loop protection valve body one side, the outside valve body (19), six loop valve body (27) installed pacify respectively Mounted in the side up and down of the loop protection valve body.

4. the automatically controlled air conditioner unit with CAN functions as claimed in claim 1, it is characterised in that the drier section (15) including the drier valve body of safety valve (18), silencer (16), pressure limiting valve (17) and the loop protection valve (14) connection (20), outside mounting flange (26), exhaust apparatus (32) and drying (12), wherein, the side of the drier valve body (20) The mounting surface being connected with the loop protection valve body is provided with, opposite side is provided with the safety valve (18), and is connected through a screw thread Air inlet (1.1) and auxiliary is provided with the side on the drier valve body (20), the other direction of the drier valve body (20) The outlet (24.3) in auxiliary system loop (24), drier valve body (20) top is provided with the drying (12), the drying Cylinder (12) is connected through a screw thread with the drier valve body (20), and the pressure limiting valve (17) is arranged on the drier valve body (20) Lower section, the exhaust apparatus (32) is arranged on the side below the drier valve body (20), and the silencer (16) is arranged on Exhaust apparatus (32) lower section.

5. the automatically controlled air conditioner unit with CAN functions as claimed in claim 3, it is characterised in that the brakes the Primary Ioops (21), the brakes second servo loop (22), the trailer parking brake system loop (23) are without extra pressure Band pressure sensor, can pass through CAN communication module transfer pressure data in force snesor, the ECU modules (39).

6. the automatically controlled air conditioner unit with CAN functions as claimed in claim 3, it is characterised in that when the ECU electronics control Unit (13) processed detects the loop protection valve equipped at outlet port air pressure, and the output pressure that will be detected is converted into Voltage Feedback to institute State ECU electronic control units (13), the institute that the ECU electronic control units (13) pass through logical program operation control electric-control system State the first magnetic valve (7), the break-make of second magnetic valve (8).

7. automatically controlled air conditioner unit with CAN functions as claimed in claim 3, it is characterised in that when detecting that pressure is more than During default cut-out pressure, the first magnetic valve (7) work, compressed air reaches chamber (10), promotes exhaust pition through passage (9) (11) drier section (15) off-load, is made, meanwhile, air pressure reaches the drier through throttle orifice (34), check valve (35) Partly (15) recoil drying (12), makes the regenerating molecular sieve in the drying (12).

8. the automatically controlled air conditioner unit with CAN functions as claimed in claim 3, it is characterised in that when the loop protection When the air pressure of the delivery outlet of valve is less than preset value, the ECU electronic control units (13) are controlled by second magnetic valve (8) Air compressor machine, supplies to the drier section (15) again.

9. the automatically controlled air conditioner unit of the band CAN functions as described in claim 1 or 4, it is characterised in that according to the drying , can be reduced to amount of regeneration at least by the virtual condition of cylinder (12)；No matter whether air compressor machine is cut off, and can set unconditional Timing regeneration.

10. the automatically controlled air conditioner unit of the band CAN functions as described in claim 1 or 3, it is characterised in that each loop All mounting hole concentrated settings in same direction.

The 11. automatically controlled air conditioner units with CAN functions as claimed in claim 10, it is characterised in that each loop All mounting hole concentrated settings are on the same side of installation valve body (19).

The 12. automatically controlled air conditioner units with CAN functions as claimed in claim 1, it is characterised in that ECU parameters can be Curstomer's site is set in assembly shop, air pressure adjustment can be arranged on into 9 to 12.5BAR.

The 13. automatically controlled air conditioner units with CAN functions as claimed in claim 1, it is characterised in that the drying can be recorded (12) suitable drying property data medians of cylinder.

The 14. automatically controlled air conditioner units with CAN functions as claimed in claim 1, it is characterised in that active under driving states State regulating system pressure balance.

The 15. automatically controlled air conditioner units with CAN functions as claimed in claim 1, it is characterised in that temperature is below 5 °C When, electric heater can be cancelled by special software computing.