CN208966485U - A kind of sanitation cart exhaust air energy recovery control device and sanitation cart - Google Patents

Abstract

The utility model relates to a kind of sanitation cart exhaust air energy recovery control device and sanitation carts, control device includes wind speed measurement module, control module and for being arranged in front of wind-driven generator, the air door mechanism of aperture can be adjusted, control module sampling connection wind speed measurement module, control connection air door mechanism.Wind speed measurement module is able to detect the wind speed of sanitation cart discharge wind, control module accordingly adjusts the opening size of air door in front of wind-driven generator according to the size of wind speed, to adjust the wind speed for entering wind-driven generator, adjust the wind sweeping area of wind power generator oar blade, the generated output that wind-driven generator can be stablized stablizes generated output in a certain range.Therefore, the generated output of wind-driven generator can be made to stablize in a certain range by this control mode, avoids the generated output of wind-driven generator is too small from can not meet demand power supply, while avoiding causing wind-driven generator certain damage.

Description

A kind of sanitation cart exhaust air energy recovery control device and sanitation cart

Technical field

The utility model relates to a kind of sanitation cart exhaust air energy recovery control device and sanitation carts.

Background technique

Sanitation cart is the special-purpose vehicle cleaned for pavement garbage, its working principle is that: sanitation cart sweeps disk for road surface rubbish Rubbish is swept to centre, and the negative pressure and air-flow that centrifugal blower generates suck rubbish in dustbin, and rubbish deposits in dustbin, air-flow Discharge is exported by the turbine case of centrifugal blower after filtering.

Currently, environmental sanitation pure electric vehicle using more and more extensive, this is old for power consumption when to solve the operation of environmental sanitation pure electric vehicle Disaster problem develops a " intelligence feed high efficiente callback device ", and powerful " wind is discharged in effective use centrifugal blower exhaust outlet Kinetic energy ", it is efficient that electric energy supplement high-tension battery, as far as possible reduction vehicle power consumption and environment division are recycled by intelligent feeder equipment Operation power consumption.The energy obtained in 1s is to the quantitative relationship of wind speed: kinetic energy is directlyed proportional to the cube of wind speed.Pass through wind energy Recycling switchs to electric energy, improves power consumption efficiency, reduces loss, improves client to sanitation cart " satisfaction of continual mileage ".Than It is recycled as disclosed a kind of flowed energy in Chinese invention patent application file that application publication number is CN102518063A Device and sweeping machine are provided with a wind-driven generator in the exhaust ports of centrifugal blower, realize wind energy by wind-driven generator Recycling, solve centrifugal blower discharge high-speed flow cannot be utilized, the technology of great energy waste is caused to ask Topic.But due to the complexity and variability of road environment, sanitation cart is during cleaning work, sometimes between cleaning work Every progress, i.e. cleaning agency is not being run always, but the operation watt level for being spaced operation or cleaning agency is becoming Change, then, the wind-force (i.e. air quantity or wind speed) of the exhaust outlet discharge wind of centrifugal blower is not constant, in very wide range Inside float back and forth.Moreover, the generated output of wind-driven generator is proportional to wind-force, when wide variation occurs for wind-force, The generated output of wind-driven generator also changes a lot, such as: when wind-force very little, the generated output of wind-driven generator Very little.But regardless of the generator of sample, generated output is required to stablize in a certain range, that is to say, that wind-force hair The generated output of motor needs to stablize in a certain range, then, when the wind speed variation of the exhaust outlet of centrifugal blower discharge wind, With regard to needing that the wind speed for entering wind-driven generator is adjusted, to stablize the generated output of wind-driven generator, still, existing energy Amount recycle device can not adjust wind speed, and then can not stablize the generated output of wind-driven generator, lead to the power generation of generator Power swing is bigger.

Utility model content

The purpose of the utility model is to provide a kind of sanitation cart exhaust air energy recovery control devices, to solve existing energy Amount recycle device can not adjust the wind speed into wind-driven generator, and then the generated output of wind-driven generator can not be stablized Problem.The utility model provides a kind of sanitation cart simultaneously, and the energy recycling device to solve in existing sanitation cart can not The problem of adjusting the wind speed for entering wind-driven generator, and then the generated output of wind-driven generator can not be stablized.

To achieve the above object, the utility model includes following technical scheme:

A kind of sanitation cart exhaust air energy recovery control device, the wind speed inspection including the wind speed for detecting sanitation cart discharge wind Survey module, control module and for being arranged in front of wind-driven generator, the air door mechanism of aperture, the control mould can be adjusted Block sampling connects the wind speed measurement module, and control connects the air door mechanism.

Wind speed measurement module is able to detect the wind speed of sanitation cart discharge wind, and control module is accordingly adjusted according to the size of wind speed The opening size of air door in front of wind-driven generator, to adjust the wind speed for entering wind-driven generator, i.e. adjusting wind power generator oar blade Wind sweeping area, so that it may stablize wind-driven generator generated output, make generated output stablize in a certain range.Such as: when When the absolute value of error amount is bigger between wind speed and rated generation wind speed, indicate that wind speed is bigger apart from rated generation wind speed, wind speed It is smaller, then, the aperture of air door in front of wind-driven generator is reduced, promotes the discharge compressed degree of wind, and then improve and enter wind The wind speed of power generator promotes the revolving speed of wind-driven generator, promotes the generated output of wind-driven generator, correspondingly, when wind speed with The absolute value of error amount is got over hour between rated generation wind speed, indicates that wind speed is smaller apart from rated generation wind speed, and wind speed is bigger, that , increase the aperture of air door in front of wind-driven generator, reduce the discharge compressed degree of wind, do not need through excess compression air It is lifted into the wind speed of wind-driven generator, that is, does not need just to can satisfy wind turbine power generation function by excess compression air The demand of rate.Therefore, which can be such that the generated output of wind-driven generator stablizes in a certain range, and wind-force is avoided to send out The generated output of motor is too small, and then avoids damaging wind-driven generator.

Further, the control device further includes the Rotating speed measring module or use for detecting wind-driven generator revolving speed In the voltage detection module of detection wind-driven generator output end voltage, the control module sampling connects the Rotating speed measring module Or voltage detection module.When the revolving speed of wind-driven generator is more than or equal to setting speed threshold value or wind-driven generator output When the voltage at end is more than or equal to setting voltage threshold, control wind-driven generator exports electric energy to energy recycle device.

Further, the control device includes the electric energy for being arranged between wind-driven generator and energy recycle device The contact of first contactor on transmission line and the contact of second contactor, the control module control connection first contactor Control coil and second contactor control coil.By controlling the control coil of first contactor and the control of second contactor The contact that coil processed is capable of contact and second contactor to first contactor controls.

Further, the energy recycle device is energy-storage system, and the energy-storage system includes energy-storage battery group and battery Management system, the control device further includes electric power detection module for detecting energy-storage battery group SOC and string be located at it is described The contact of third contactor on electric energy transmission line, the battery management system sampling connect the electric power detection module, control System connects the control coil of the third contactor, and the contact of third contactor is accordingly controlled according to the electricity of energy-storage system.

Further, the control device further includes power module, and the power module is by power supply line for electrical connection The control module, string is equipped with first manual and switchs in the power supply line, and also string is equipped with second on the electric energy transmission line Manual switch, the first manual switch and the second manual switch are a pair of of linked switch, when one of manual switch acts When, another manual switch is also correspondingly acted.Manual switch can be realized manual control, guarantee power supply reliability and peace Quan Xing.

A kind of sanitation cart, including further including sanitation cart air draft for the wind-driven generator at sanitation cart outlet to be arranged in Energy regenerating control device, the control device include the wind speed measurement module for detecting the wind speed of sanitation cart discharge wind, control Molding block and for being arranged in front of wind-driven generator, the air door mechanism of aperture can be adjusted, the control module sampling connects The wind speed measurement module is connect, control connects the air door mechanism.

Wind speed measurement module is able to detect the wind speed of sanitation cart discharge wind, and control module is accordingly adjusted according to the size of wind speed The opening size of air door in front of wind-driven generator, to adjust the wind speed for entering wind-driven generator, i.e. adjusting wind power generator oar blade Wind sweeping area, so that it may stablize wind-driven generator generated output, make generated output stablize in a certain range.Such as: when When the absolute value of error amount is bigger between wind speed and rated generation wind speed, indicate that wind speed is bigger apart from rated generation wind speed, wind speed It is smaller, then, the aperture of air door in front of wind-driven generator is reduced, promotes the discharge compressed degree of wind, and then improve and enter wind The wind speed of power generator promotes the revolving speed of wind-driven generator, promotes the generated output of wind-driven generator, correspondingly, when wind speed with The absolute value of error amount is got over hour between rated generation wind speed, indicates that wind speed is smaller apart from rated generation wind speed, and wind speed is bigger, that , increase the aperture of air door in front of wind-driven generator, reduce the discharge compressed degree of wind, do not need through excess compression air It is lifted into the wind speed of wind-driven generator, that is, does not need just to can satisfy wind turbine power generation function by excess compression air The demand of rate.Therefore, the control device in the sanitation cart can be such that the generated output of wind-driven generator stablizes in a certain range, It avoids the generated output of wind-driven generator too small, and then avoids damaging wind-driven generator.

Further, the control device further includes the Rotating speed measring module or use for detecting wind-driven generator revolving speed In the voltage detection module of detection wind-driven generator output end voltage, the control module sampling connects the Rotating speed measring module Or voltage detection module.When the revolving speed of wind-driven generator is more than or equal to setting speed threshold value or wind-driven generator output When the voltage at end is more than or equal to setting voltage threshold, control wind-driven generator exports electric energy to energy recycle device.

Further, the control device includes the electric energy for being arranged between wind-driven generator and energy recycle device The contact of first contactor on transmission line and the contact of second contactor, the control module control connection first contactor Control coil and second contactor control coil.By controlling the control coil of first contactor and the control of second contactor The contact that coil processed is capable of contact and second contactor to first contactor controls.

Further, the energy recycle device is energy-storage system, and the energy-storage system includes energy-storage battery group and battery Management system, the control device further includes electric power detection module for detecting energy-storage battery group SOC and string be located at it is described The contact of third contactor on electric energy transmission line, the battery management system sampling connect the electric power detection module, control System connects the control coil of the third contactor, and the contact of third contactor is accordingly controlled according to the electricity of energy-storage system.

Further, the control device further includes power module, and the power module is by power supply line for electrical connection The control module, string is equipped with first manual and switchs in the power supply line, and also string is equipped with second on the electric energy transmission line Manual switch, the first manual switch and the second manual switch are a pair of of linked switch, when one of manual switch acts When, another manual switch is also correspondingly acted.Manual switch can be realized manual control, guarantee power supply reliability and peace Quan Xing.

Detailed description of the invention

Fig. 1 is the arrangement schematic diagram of sanitation cart wind-driven generator provided by the utility model；

Fig. 2 is the Local map of sanitation cart wind-driven generator arrangement provided by the utility model；

Fig. 3 is a kind of specific implementation circuit diagram of sanitation cart provided by the utility model；

Fig. 4 is a kind of specific implementation process schematic of sanitation cart energy regenerating provided by the utility model；

In Fig. 3,1 is 24V power supply, and 2 be sanitation cart ontology, and 3 be airmeter, and 4 adjust door lock for AUTO air quantity, and 5 are Wind-driven generator, 6 be three-phase thyristor bridge circuit, and 7 be copped wave buck control circuit, and 8 be vehicle BMS Control management system electricity Gas box, 9 be cockpit combined aural and visual alarm, and 10 be Intelligent wind power feedback controller, and 11 integrate electric energy meter for cockpit wind-powered electricity generation, and 12 are Coaxial velocity sensor.

Specific embodiment

Sanitation cart embodiment

The present embodiment provides a kind of sanitation carts, specifically by taking pure electric vehicle sanitation cart as an example.It is, of course, also possible to be traditional energy Sanitation cart.

The sanitation cart includes sanitation cart ontology and sanitation cart exhaust air energy recovery control device, and sanitation cart ontology can be normal Sanitation cart of rule, including cockpit, centrifugal blower, spam filters, bridge case garbage containing box body, air exhaust box etc., due to this Have associated description in the patent document for partly belonging to the prior art, and quoting in background technique, it is just no longer specific here Explanation.Sanitation cart exhaust air energy recovery control device is specifically described in following emphasis.

The sanitation cart exhaust air energy recovery control device realizes that the energy regenerating of wind-driven generator controls, in the present embodiment, Wind-driven generator installation settings is arranged in air outlet position on environmental sanitation chassis bridge box top, and transversely arranged 3 sets with especially setting It collects and receives the directly driven wind-powered permanent magnet three-phase generator of air outlet swing flap face mask, as depicted in figs. 1 and 2.Due to wind-driven generator Position belong to routine techniques, just no longer illustrate here.

The sanitation cart exhaust air energy recovery control device includes wind speed measurement module, control module and air door mechanism, control Module samples processed connect wind speed measurement module, control connection air door mechanism.Wind speed measurement module is for detecting sanitation cart discharge wind Wind speed；Control module realizes energy regenerating control；The front of wind-driven generator is arranged in air door mechanism, i.e. air door mechanism is arranged On environmental sanitation chassis bridge box top between air outlet and wind-driven generator, opening size can be adjusted, and then adjust and enter wind The wind speed of power generator, to stablize the generated output of wind-driven generator.So wind speed measurement module is able to detect sanitation cart discharge The wind speed of wind, control module accordingly adjust the opening size of air door in front of wind-driven generator according to the size of wind speed, with adjust into Enter the wind speed of wind-driven generator, that is, adjust the wind sweeping area of wind power generator oar blade, so that it may stablize the power generation of wind-driven generator Power stablizes generated output in a certain range.

What the application protected is the hardware configuration of sanitation cart exhaust air energy recovery control device, still, for ease of description An energy regenerating control strategy of the control device, certainly, the control device is given below in the course of work of the control device It is not limited to the control strategy.

In energy regenerating control, it is related to a parameter threshold, is named as wind speed setting threshold value, further relate to a wind speed Value is the rated generation wind speed of wind-driven generator, and under the action of the rated generation wind speed, wind-driven generator can normally be sent out Electricity.Certainly, wind speed setting threshold value is less than the rated generation wind speed of wind-driven generator.In addition, above-mentioned two air speed value can root It is set according to actual needs.

So, when the actual wind speed of sanitation cart discharge wind is less than wind speed setting threshold value, control wind-driven generator is not run； When actual wind speed is more than or equal to wind speed setting threshold value, and is less than the rated generation wind speed of wind-driven generator, according to reality The opening size of the corresponding damper mechanism of error amount between wind speed and rated generation wind speed, to adjust wind power generator oar blade Wind sweeping area, wherein air door in front of the absolute value of error amount and wind-driven generator between actual wind speed and rated generation wind speed Aperture is in inverse relation.Wherein, when the absolute value of error amount between wind speed and rated generation wind speed is bigger, wind speed distance is indicated Rated generation wind speed is bigger, and wind speed is smaller, then, the aperture of air door mechanism is reduced, i.e. air port becomes smaller, it will be able to promote discharge wind Compressed degree, and then the wind speed for entering wind-driven generator is improved, and then promote the revolving speed of wind-driven generator, promote wind-force hair The generated output of motor；When the absolute value of error amount between wind speed and rated generation wind speed is smaller, indicate wind speed apart from specified Generating electricity, wind speed is smaller, and wind speed is bigger, then, increase the aperture of air door mechanism, i.e. air port becomes larger, it will be able to reduce discharge wind and be pressed The degree of contracting does not need to pass through there is no need to be lifted into the wind speed of wind-driven generator by excess compression air yet Degree compressed air just can satisfy the demand of wind turbine power generation power.

Further, which further includes Rotating speed measring module for detecting wind-driven generator revolving speed or is used for Detect the voltage detection module of wind-driven generator output end voltage, control module sampling connection Rotating speed measring module or voltage inspection Survey module.

After wind-driven generator starts turning, the revolving speed of wind-driven generator is gradually increasing, wind-driven generator output end Voltage is also gradually increasing, when the revolving speed of wind-driven generator is more than or equal to setting speed threshold value or wind-driven generator output end Voltage be more than or equal to setting voltage threshold when, indicate wind-driven generator can effectively export electric energy, then, control wind-force Generator exports electric energy to energy recycle device.

In the present embodiment, energy recycle device is by taking energy-storage system as an example, and here, energy-storage system includes high-voltage energy storage battery pack With battery management system (vehicle BMS Control management system electrical box 8 i.e. hereinafter), it is, of course, also possible to by the electric energy of recycling It is directly used in driving other relevant devices running.

Based on the above-mentioned technical proposal, a kind of concrete implementation mode is given below.

As shown in figure 3, new energy sanitation cart includes sanitation cart ontology 2, including sanitation cart driver driving cabin, centrifugal blower, Bridge case garbage containing box body etc., bridge case garbage containing box body are internally provided with spam filters, in the setting of centrifugal blower top Air outlet.Centrifugal blower sucks bridge box body by negative-pressure air-suction mouth, rubbish, by spam filters extra negative pressure fluid Air is discharged through the air exhaust box of upper air outlet.

It is provided with Intelligent wind power feedback controller 10 below in cockpit, which realizes energy Recycling control, control module as above.

As shown in figure 3, wind speed measurement module, by taking airmeter 3 as an example, airmeter 3 is arranged in upper air outlet position It sets, when detecting wind speed and being lower than the rated generation wind speed of wind-driven generator 5, (this utility model wind-powered electricity generation part is straight using blade Driving permanent magnet generator is connect, according to the bigger feature of air velocity more kinetic energy, it is " no gearbox transmission " that process, which uses, Loss is minimized for efficiency power generation, key condition is exactly not need complicated yaw to seek wind system, but sweep laterally In the constant situation of air port cover product, dependence is non-adjustable fixed blade, does not adjust oar system automatically, simple and practical in structure, The blade of trunnion axis arrangement wind speed under conditions of aerodynamic characteristic is from dynamics stall will reach the region within rated value and maximum value Power generation input power is just able to maintain to stablize in rated range), airmeter 3 can be with A/D signal 0~5V voltage signal pick-up Amount, which is sent into Intelligent wind power feedback controller 10, feeds back wind speed, and wind speed is higher, and A/D voltage signal voltage value is higher.When upper dress is When centrifugal blower wind speed air quantity of uniting is lower than wind speed setting threshold value, the voltage signal that airmeter 3 exports is 0~2.5V, when upper Dress system centrifugal blower wind speed air quantity be higher than wind speed setting threshold value, and be lower than wind-driven generator 5 rated generation wind speed when, air The voltage signal that current meter 3 exports is 2.5V~5V, then, the actual wind speed that wind is discharged in sanitation cart is less than wind speed setting threshold value phase When the voltage signal exported in airmeter 3 is 0~2.5V；Actual wind speed is more than or equal to wind speed setting threshold value, and small Being equivalent to the voltage signal that airmeter 3 exports in the rated generation wind speed of wind-driven generator 5 is 2.5V~5V.

As shown in figure 3, air door mechanism is by taking AUTO air quantity adjusts door lock 4 as an example.In the present embodiment, AUTO air quantity adjusts door lock 4 include 2 90 degree of synchro angle air doors, and what tail portion utilized among 2 air doors is involute circular arc technique, and AUTO air quantity is facilitated to adjust The adjustment of 2 split angles of synchronous linear screw rod thrust motor precision of door lock 4 controls, and what control electric signal utilized is total ground (negative altogether), earth signal is connected to 10 terminals of Intelligent wind power feedback controller to 2 synchronous motor anodes together respectively, by intelligent wind Electric feedback controller 10 controls, and the straight line silk of 2 door locks of ratio value range de-regulation of digital voltage signal is sampled according to air quantity Bar motor thrust stroke to change 2 air door synchro angle apertures, and then adjusts the wind sweeping area of 5 blade of wind-driven generator, from And it controls generated output and stablizes input.Certainly, air door mechanism can also be that other can be realized the structure type of aperture regulation, than As AUTO air quantity adjusts three fan spiral chute door locks.

When the sampled voltage signal of airmeter 3 is 0~2.5V, voltage signal is sent into Intelligent wind power feedback control Device 10,0~2.5V undertension can not be driven with triggering 10 internal digital voltage signal of Intelligent wind power feedback controller AUTO air quantity adjusts door lock 4 and acts；When the A/D voltage signal that airmeter 3 acquires is 2.5V~5V, further, it is When 3V~5V, Intelligent wind power feedback controller 10 controls AUTO air quantity according to the A/D voltage signal of airmeter 3 and adjusts door lock 4 movements accordingly adjust 2 90 degree of synchro angle throttle opening sizes that AUTO air quantity adjusts door lock 4, tool according to A/D voltage signal Body is the straight line lead screw motor thrust stroke that 2 door locks of ratio value range de-regulation of digital voltage signal are sampled according to air quantity, To the 2 door lock synchro angle apertures changed, and then the wind sweeping area of fan blade is adjusted, thus to control generator speed, Realize that generated output stablizes input, wherein when voltage signal is bigger, the throttle opening that AUTO air quantity adjusts door lock 4 is bigger.

It is connect moreover, being additionally provided with first on electric energy transmission line between wind-driven generator 5 and high-voltage energy storage battery pack The contact of tentaculum and the contact of second contactor, the first contactor are named as air velocity contactor, second contactor life Entitled revolving speed contactor, the control coil of the control connection air velocity contactor of Intelligent wind power feedback controller 10 and revolving speed contact The control coil of device realizes that Intelligent wind power feedback controller 10 controls the contact K3 and revolving speed contactor of air velocity contactor Contact K1, when the A/D voltage signal that airmeter 3 acquires is 2.5V~5V, the control touching of Intelligent wind power feedback controller 10 Point K3 closure, be revolving speed contactor contact K1 do closure prepare (K3+K1=1 be " with relationship ", closure constitute power generation lead to Road, while two-stage probe of contactor series design is also for the contact adhesion for preventing high current from causing often to open and close).

The coaxial root of wind-driven generator 5 has generator coaxle velocity sensor 12, the signal of coaxial velocity sensor 12 Output end connects Intelligent wind power feedback controller 10.When the aperture that AUTO air quantity adjusts door lock 4 is fully open, it is meant that air Current meter 3 measures wind speed air quantity and has met normal power generation condition, and door lock position has been adjusted.Coaxial velocity sensor 12 passes through hair Motor drives to form revolving speed digital voltage signal, and voltage signal range is 0~10V, the incoming intelligence of the revolving speed digital voltage signal 10 terminals of wind-powered electricity generation feedback controller indicate that revolving speed reaches setting speed threshold when revolving speed digital voltage signal reaches certain value Value, output voltage reach certain value, and (K1 contact terminal circuit has the contact K1 of the control of Intelligent wind power feedback controller 10 at this time closure Direct current fusing insurance as short circuit or overcurrent protection mechanism), at this time K3+K1=1 formed " with relationship ", constitute power generation leads to Road, wind-driven generator 5 give the power output of sending to high-voltage energy storage battery pack.In the present embodiment, it is provided with electric energy processing part, Alternating current for issuing to wind-driven generator 5 is handled, and as a specific embodiment, electric energy processing unit point includes Three-phase thyristor bridge circuit 6 and copped wave buck control circuit 7.Three-phase thyristor bridge circuit 6 be used for by the U of wind-driven generator 5, V, the AC conversion that W three-phase windings issue is direct current, since three-phase thyristor bridge circuit 6 is classical circuit, here no longer It is described in detail.Copped wave buck control circuit 7 is for adjusting DC voltage, wherein direct current Surge Protector is as the first protection, finally Flat wave current stabilization is carried out through high voltage DC filter, since copped wave buck control circuit 7 also belongs to the prior art, here just no longer It repeats.

Therefore, wind-driven generator 5 converts wind energy into electric energy, and U, V, W three-phase windings give three-phase full-controlled bridge power output Formula circuit 6 converts electrical energy into direct current, is sent into Intelligent wind power feedback after rectification after 7 pressure regulation of copped wave buck control circuit The chop control input interface of controller 10, direct current energy pass through the chop control input interface of Intelligent wind power feedback controller 10 Processing is conducted to the power generation output control terminal of Intelligent wind power feedback controller 10.The power generation of Intelligent wind power feedback controller 10 exports Control terminal output connection vehicle BMS Control management system electrical box 8, also, Intelligent wind power feedback controller 10 and vehicle BMS are controlled Tubulation manages system electrical box 8 and carries out CAN message interaction.In the power generation output control terminal and vehicle of Intelligent wind power feedback controller 10 String is equipped with the contact of third contactor, i.e. high voltage connector on electric energy transmission line between BMS Control management system electrical box 8 Contact K2 (also referred to as BMS high-voltage feedback power contactor), the contact K2 of the high voltage connector is the normally opened touching of high pressure positive and negative anodes duplex Point, the control coil of the control connection high voltage connector of vehicle BMS Control management system electrical box 8.Vehicle BMS Control management system Electrical box 8 confirms whether the contact K2 of high voltage connector meets corresponding closure feed demand (such as high-voltage energy storage battery pack SOC meets charge requirement), then control high voltage connector K2 is directly attracted, receives high voltage direct current feed, efficiently supplemented SOC then controls high voltage connector K2 and is in an off state such as without feed.So, high-voltage energy storage battery pack is provided with electricity inspection Module is surveyed, for detecting the SOC of battery pack, electric power detection module output connection BMS Control management system electrical box 8, when SOC is big When certain value, the contact K2 closure of high voltage connector is controlled.

The outside of wind-driven generator 5 is provided with swing flap mask, using bell-mouth structure of air is imitated, increases centrifugation as far as possible The swing flap mask area of the air outlet of blower, because of the wind power technology applied in the present embodiment and not include large-scale wind electricity all Blade angle modulation system and wind direction yaw system, wind-driven generator 5 is trunnion axis arrangement again in addition, so can be increased using horn mouth Big storage kinetic energy wind sweeping area, and then promote generating efficiency.

In addition, cockpit combined aural and visual alarm 9 is provided on cockpit instrument desk, for the blade in wind-driven generator 5 Alarm when over speed of rotation, alarm while is divided into two kinds of situations, the first situation: blade overspeed alarming passes through CAN message and hands over Mutually, 8 electric signal of vehicle BMS Control management system electrical box is transferred to high voltage connector K2, forces to disconnect contactor enable signal, Coil losing electricity, high voltage connector K2 are disconnected, and hypervelocity power generation issues are inhibited protection；Second situation: AUTO air quantity adjusts door Straight line lead screw motor, which controls electrical circuit, in lock 4 leads to current of electric overcurrent because stuck when mechanical reason synchronous rotary is diagonal, can touch Cockpit combined aural and visual alarm 9 is sent out to alarm.

Control device is additionally provided with cockpit wind-powered electricity generation integral electric energy meter 11, is directly attracted, connects when controlling high voltage connector K2 When being fed by high voltage direct current, by the electric current and voltage number of the high voltage direct current acquired in vehicle BMS Control management system electrical box 8 CAN message interactive computing score accumulation electric energy is carried out according to Intelligent wind power feedback controller 10, shows accumulative feed in instrument desk Electric energy and sanitation cart electricity chassis consume electric energy, consume electric energy and feedback electric energy by comparing calculation, observable goes out Intelligent wind power and returns Present the feed efficiency of controller 10.

In addition, sanitation cart vehicle low-voltage power supply system duplexure pulls out the 24V power supply 1 of a 5A current redundant, it is intelligence It is enabled that energy wind-powered electricity generation feedback controller 10 provides control.Its low pressure 24V power supply branch's cathode is provided with first manual switch, i.e. emergency stop High-low pressure duplex it is normally closed manually can reset switch K4, when encountering low pressure 24V power supply total loop and high-voltage power input total loop It when failed shorted or failure of insulation and open fire, can press by force manually rapidly, make its rapid double-mechanical interlocking simultaneously normally closed Switch state becomes normally open.In Fig. 3, on the electric energy transmission line between wind-driven generator and high-voltage energy storage battery pack also Second manual switch is set, i.e., emergency stop high-low pressure duplex it is normally closed manually can reset switch K5, K4 and K5 be a pair of of linked switch, when When having a switch motion, another switch also carries out corresponding actions.High-low pressure current supply circuit moment, which quickly disconnects, eliminates electric arc, It effectively prevent the low pressure as caused by abnormal contactor adhesion is enabled also to power to intelligent feeding amount controller, and high-voltage power is defeated Enter to terminate tentaculum and receives the failure that open command does not disconnect but.In common control circuit, the use that contactor accumulates over a long period, electricity The decline of gas performance, will meet such failure, and emergency stop high-low pressure duplex it is normally closed manually can the function of reset switch can have Effect evades the inducement of electrical failure.

Fig. 4 is a kind of specific implementation process schematic diagram of the sanitation cart energy regenerating.Certainly, the utility model not office It is limited to detailed process shown in Fig. 4.

Mechanical work and drive a vehicle power consumption problem of the above-mentioned technical proposal for new energy sanitation cart high voltage power battery, Solves " power consumption " the critical index test in the configuration of vehicle electricity chassis of high-voltage battery system technology.

High-tension battery technology energization driving for a long time and machinery under practical more complicated comprehensive road condition and ambient conditions Job run, " power consumption " problem is in vehicle, it is desired nonetheless to preferred electricity attachment and automatically controlled components, and realize control strategy Optimization.This hard nut to crack of power consumption, efficiently uses the centrifugal blower of dress system on this when to solve the operation of environmental sanitation pure electric vehicle Powerful " kinetic energy " is discharged in exhaust outlet, efficiently supplements high-voltage energy storage battery pack by recycling electric energy, reduces as much as possible whole Vehicle travels power consumption and equipment operation power consumption.Wind energy recycling is switched into electric energy, power consumption efficiency is improved, reduces loss, improve client couple The satisfaction of sanitation cart continual mileage increases client to subjective feeling approval and impression in environmental sanitation vehicles electric property.

It solves practical pure electric vehicle and develops pressing issues --- power consumption demand, reduce pure electric sanitation cart integral high pressure electricity The energy loss in pond, sanitation cart also efficiently suck dust and suction rubble through upper dress system centrifugal blower cabinet receive simultaneously Collection then carries out powerful outlet air by filtering exhaust outlet again, and makes full use of, and truly improves clean energy resource recycling, leads to It crosses recycling electric energy and improves electric energy efficiency, the continual mileage power consumption and equipment operation power consumption of high-voltage energy storage battery pack are minimized. Even if moreover, the upper ejection air port of environmental sanitation vehicle bridge case centrifugal blower add the small-sized horizontal positioned wind-driven generator 5 of speciality, then Under the action of above-mentioned control device, dust suction will not be caused to upper dress system centrifugal blower and inhales the negative pressure windage shadow of rubble It rings, because centrifugal blower filters out the rubbish of sucking to box house by sanitation cart bridge case self-filtering structure itself, and wind It can be discharged from cabinet top air outlet, air quantity is big, and wind speed is fast, and it is strong and powerful, it is very suitable to energy feedback utilization.

Specific embodiment is presented above, but the utility model is not limited to described embodiment.This is practical Novel protection point is the hardware configuration of sanitation cart exhaust air energy recovery control device, not control strategy.This is not being departed from The change, modification, replacement and modification that embodiment carries out are still fallen in the case where the principle of utility model and spirit practical In novel protection scope.

Sanitation cart exhaust air energy recovery control device embodiment

The present embodiment provides a kind of sanitation cart exhaust air energy recovery control device, which can be separately protected.By It has given and has described in detail in above-mentioned sanitation cart embodiment in the control device, the present embodiment just no longer illustrates.

Claims (10)

1. a kind of sanitation cart exhaust air energy recovery control device, which is characterized in that including the wind for detecting sanitation cart discharge wind The wind speed measurement module of speed, control module and for being arranged in front of wind-driven generator, the air door mechanism of aperture can be adjusted, The control module sampling connects the wind speed measurement module, and control connects the air door mechanism.

2. sanitation cart exhaust air energy recovery control device according to claim 1, which is characterized in that the control device is also Including the Rotating speed measring module for detecting wind-driven generator revolving speed or the electricity for detecting wind-driven generator output end voltage Detection module is pressed, the control module sampling connects the Rotating speed measring module or voltage detection module.

3. sanitation cart exhaust air energy recovery control device according to claim 2, which is characterized in that the control device packet Include the first contactor on the electric energy transmission line for being arranged between wind-driven generator and energy recycle device contact and The contact of second contactor, the control coil of the control module control connection first contactor and the control line of second contactor Circle.

4. sanitation cart exhaust air energy recovery control device according to claim 3, which is characterized in that the energy regenerating dress It is set to energy-storage system, the energy-storage system includes energy-storage battery group and battery management system, and the control device further includes being used for The electric power detection module and string that detect energy-storage battery group SOC are located at the touching of the third contactor on the electric energy transmission line Point, the battery management system sampling connect the electric power detection module, and control connects the control coil of the third contactor.

5. sanitation cart exhaust air energy recovery control device according to claim 3, which is characterized in that the control device is also Including power module, the power module, for being electrically connected the control module, is gone here and there in the power supply line and is set by power supply line There is first manual switch, also string is equipped with the second manual switch, the first manual switch and second on the electric energy transmission line Manual switch is a pair of of linked switch, and when the movement of one of manual switch, another manual switch also carries out corresponding earthquake Make.

6. a kind of sanitation cart, including for the wind-driven generator at sanitation cart outlet to be arranged in, which is characterized in that further include ring Vehicle exhaust air energy recovery control device is defended, the control device includes the wind speed measurement for detecting the wind speed of sanitation cart discharge wind Module, control module and for being arranged in front of wind-driven generator, the air door mechanism of aperture, the control module can be adjusted Sampling connects the wind speed measurement module, and control connects the air door mechanism.

7. sanitation cart according to claim 6, which is characterized in that the control device further includes for detecting wind-power electricity generation The Rotating speed measring module of machine revolving speed or voltage detection module for detecting wind-driven generator output end voltage, the control mould Block sampling connects the Rotating speed measring module or voltage detection module.

8. sanitation cart according to claim 7, which is characterized in that the control device includes for being arranged in wind-power electricity generation The contact of the first contactor on electric energy transmission line between machine and energy recycle device and the contact of second contactor, it is described The control coil of control module control connection first contactor and the control coil of second contactor.

9. sanitation cart according to claim 8, which is characterized in that the energy recycle device is energy-storage system, the storage Energy system includes energy-storage battery group and battery management system, and the control device further includes for detecting energy-storage battery group SOC The contact for the third contactor that electric power detection module and string are located on the electric energy transmission line, the battery management system are adopted Sample connects the electric power detection module, and control connects the control coil of the third contactor.

10. sanitation cart according to claim 8, which is characterized in that the control device further includes power module, the electricity By power supply line for being electrically connected the control module, string is equipped with first manual and switchs source module in the power supply line, described Also string is equipped with the second manual switch on electric energy transmission line, and the first manual switch and the second manual switch are that a pair of of linkage is opened It closes, when the movement of one of manual switch, another manual switch is also correspondingly acted.