CN214714932U

CN214714932U - Water recycling device for washing and sweeping vehicle

Info

Publication number: CN214714932U
Application number: CN202120650969.9U
Authority: CN
Inventors: 张金刚; 王永鹏; 何锦成
Original assignee: Haihui Motor Co ltd
Current assignee: Haihui Motor Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-16
Anticipated expiration: 2031-03-31

Abstract

The utility model discloses a washing and sweeping vehicle water cyclic utilization device, locate between clear water tank and sewage case, including installing support, external filter screen and the immersible pump of locating the sewage incasement, be equipped with level sensor in sewage case and the clear water tank respectively, level sensor is connected to programmable controller PLC, and programmable controller PLC is connected with whole car control unit ECU, and whole car control unit ECU's control end still is connected with the voice broadcast ware, and the play water end of immersible pump is connected with secondary filter equipment and check valve through the pipeline; when the water quantity in the clean water tank is insufficient, the Programmable Logic Controller (PLC) controls the submersible pump to be automatically started, the external filter screen and the secondary filter device can filter sewage twice, the safety of the operation of the submersible pump is guaranteed, the sewage is filtered into clean water and is conveyed into the clean water tank, the water source supplement and the recycling of the clean water tank are realized, the continuous operation time of the washing and sweeping vehicle is prolonged to 5-6 hours, the water supplementing frequency of the washing and sweeping vehicle is reduced, and the working time and the working efficiency of the washing and sweeping vehicle are improved.

Description

Water recycling device for washing and sweeping vehicle

Technical Field

The utility model relates to a washing and sweeping vehicle is with supporting facility technical field especially relates to a washing and sweeping vehicle water cyclic utilization device.

Background

Along with the progress of society, the requirement of people on environmental quality is higher and higher, and more types of road cleaning vehicles are developed and utilized in the road cleaning work, such as cleaning vehicles, washing and sweeping vehicles and the like, and correspondingly, the requirement on the working time and the efficiency of the washing and sweeping vehicles is higher in order to ensure the road environmental quality of people and prevent the people from being invaded by dust.

The important technical difficulty is the volume of the clean water tank of the washing and sweeping vehicle, which relates to the problem of prolonging the continuous working time of the washing and sweeping vehicle. On the washing and sweeping vehicle that uses at present, its clear water tank volume only has nine cubic meters, under the condition that the clear water tank is full of water, can full load work two hours, later the clear water tank exhausts, and the sewage case is full of sewage, and the washing and sweeping vehicle just can not normally work, can only reach the discharge sewage of assigned position, and full clear water can continue work again, and it takes about an hour to clear up sewage and refill the clear water at every turn, has consequently restricted washing and sweeping vehicle's continuous operating time and work efficiency greatly.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a washing and sweeping vehicle water cyclic utilization device that can prolong continuous operating time, reduce the moisturizing frequency, and help improving on-vehicle water utilization ratio is provided.

In order to solve the technical problem, the technical scheme of the utility model is that: the water recycling device for the washing and sweeping vehicle is communicated between a clean water tank and a sewage tank of the washing and sweeping vehicle and comprises a mounting bracket arranged in the sewage tank, an external filter screen is coated and fixed on the periphery of the mounting bracket, a submersible pump is arranged on the mounting bracket and positioned in the external filter screen, a water level sensor is respectively arranged in the sewage tank and the clear water tank, the signal output end of the water level sensor is connected to a Programmable Logic Controller (PLC), the programmable logic controller PLC is connected with a whole vehicle control unit ECU, the control end of the whole vehicle control unit ECU is also connected with a voice broadcaster, the water outlet end of the submersible pump is connected with a secondary filtering device through a pipeline, the water outlet end of the secondary filtering device is communicated to the clean water tank through a pipeline, and a one-way valve for preventing water from flowing back is arranged on a pipeline between the secondary filtering device and the clean water tank.

As an optimized technical scheme, a built-in temperature control chip is packaged in the submersible pump, the built-in temperature control chip is in signal connection with an entire vehicle control unit ECU, and a temperature control range value for controlling the submersible pump to safely operate is arranged in the entire vehicle control unit ECU.

As a preferable technical scheme, the temperature control range value is set to be 60-85 degrees.

As an optimal technical scheme, a high water level alarm and a low water level alarm are installed on the sewage tank, and the high water level alarm and the low water level alarm are respectively connected to the control end of the whole vehicle control unit ECU or the programmable logic controller PLC.

As a preferred technical scheme, the secondary filtering device comprises a fixedly installed filtering shell, the filtering shell is connected in series to a pipeline between the submersible pump and the clean water tank, a built-in filtering net is sealed in the filtering shell, and a water inlet port and a water outlet port of the filtering shell are arranged on two sides of the built-in filtering net.

As an improvement on the technical scheme, the submersible pump is further electrically connected with a manual control switch, the manual control switch is connected to the whole vehicle control unit ECU, and the signal priority processing right of the manual control switch is arranged in the whole vehicle control unit ECU.

By adopting the technical scheme, the water recycling device for the washing and sweeping vehicle is communicated between the clean water tank and the sewage tank of the washing and sweeping vehicle and comprises a mounting bracket arranged in the sewage tank, an external filter screen is coated and fixed on the periphery of the mounting bracket, a submersible pump is arranged on the mounting bracket and positioned in the external filter screen, a water level sensor is respectively arranged in the sewage tank and the clear water tank, the signal output end of the water level sensor is connected to a Programmable Logic Controller (PLC), the programmable logic controller PLC is connected with a whole vehicle control unit ECU, the control end of the whole vehicle control unit ECU is also connected with a voice broadcaster, the water outlet end of the submersible pump is connected with a secondary filtering device through a pipeline, the water outlet end of the secondary filtering device is communicated to the clean water tank through a pipeline, a one-way valve for preventing water from flowing backwards is arranged on a pipeline between the secondary filtering device and the clean water tank; the utility model discloses following beneficial effect has: when the water yield is not enough in the clear water tank, programmable logic controller PLC can control immersible pump automatic start, filter the washing and sweeping operation water that becomes the washing and sweeping car with sewage, at this in-process, external filter screen can accomplish twice filtration with secondary filter equipment to sewage, guarantee the security of immersible pump work, and send sewage into the clear water tank for the clear water in, realize clear water tank's water source replenishment and recycle, improve washing and sweeping car continuous operation time to 5 ~ 6 hours, reduce washing and sweeping car moisturizing frequency, and the water resource utilization ratio has been improved simultaneously, avoid the water extravagant, the operating time and the efficiency of washing and sweeping car have finally been increased substantially.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

fig. 1 is a block diagram of an embodiment of the present invention;

fig. 2 is a schematic view of an installation state of the submersible pump and the secondary filter device according to the embodiment of the present invention;

fig. 3 is a schematic view illustrating the installation state of the submersible pump and the secondary filter device in another direction according to the embodiment of the present invention;

in the figure: 1-a clear water tank; 2-a sewage tank; 3, mounting a bracket; 4-external filter screen; 5-a submersible pump; 6-high water level alarm; 7-low water level alarm; 8-a filter housing; 9-a straight-through joint; 10-built-in filter screen; 11-one-way valve.

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1, 2 and 3, the water recycling device for the washing and sweeping vehicle is communicated between a clean water tank 1 and a sewage tank 2 of the washing and sweeping vehicle, and comprises a mounting bracket 3 arranged in the sewage tank 2, an external filter screen 4 is fixed on the periphery of the mounting bracket 3 in a coating manner, and a submersible pump 5 is arranged in the external filter screen 4 on the mounting bracket 3. But installing support 3 lug weld is in the sewage case 2, the available bolt erection of immersible pump 5 is fixed on installing support 3, but external filter screen 4 lug weld be in the sewage case 2 or on the installing support 3, sewage in the sewage case 2 is in the process external filter screen 4 gets into during immersible pump 5, can tentatively intercept the great rubbish of grit, leaf isovoluminous in sewage, prevent that it from getting into form in the immersible pump 5 and block up, help the protection immersible pump 5.

Sewage case 2 with be equipped with level sensor in the clear water case 1 respectively, level sensor's signal output part is connected to programmable controller PLC, programmable controller PLC is connected with whole car the control unit ECU, whole car the control unit ECU electricity is connected to vehicle mounted power for provide operating voltage for whole device, whole car the control unit ECU's control end still is connected with the voice broadcast ware, just install high water level alarm 6 and low water level alarm 7 on the sewage case 2, just high water level alarm 6 with low water level alarm 7 is connected to respectively whole car the control unit ECU or programmable controller PLC's control end preset high water level limit value and low water level limit value in the whole car the control unit ECU. Under the detection of the water level sensor, when the whole vehicle control unit ECU judges that the sewage level in the sewage tank 2 reaches the high water level limit value, the whole vehicle control unit ECU controls the high water level alarm 6 to send an alarm signal, the programmable logic controller PLC automatically starts the submersible pump 5, and carries out voice prompt of 'the water pump is started' through the voice broadcaster; the whole vehicle control unit ECU judges that the sewage liquid level in the sewage tank 2 drops to when the low water level limit value, the whole vehicle control unit ECU controls the low water level alarm 7 to send an alarm signal, the programmable logic controller PLC automatically closes the submersible pump 5, and the voice broadcaster carries out voice prompt that the water pump is closed, so that a driver can know the working information of the submersible pump 5 in real time.

Immersible pump 5 still electricity is connected with manual control switch, manual control switch is connected to whole car the control unit ECU set up in whole car the signal priority of manual control switch handles the right, programmable controller PLC control mode is automatic control mode, is the state of commonly using.

This embodiment is in encapsulation has built-in accuse temperature chip in the immersible pump 5, built-in accuse temperature chip signal connection to put in order car the control unit ECU, be equipped with in the car the control by temperature change scope value that is used for controlling 5 safe operation of immersible pump, if will the control by temperature change scope value sets up to 60 ~ 85, promptly when 5 operating temperature of immersible pump reach 85, the shut down, treat that its temperature drops to 60 and starts once more when following, in order to guarantee 5 safe operation of immersible pump.

The water outlet end of the submersible pump 5 is connected with a secondary filtering device through a pipeline, and the water outlet end of the secondary filtering device is communicated to the clean water tank 1 through a pipeline. Specifically, the secondary filter device comprises a fixedly installed filter housing 8, the filter housing 8 is connected in series with a pipeline between the submersible pump 5 and the clean water tank 1, and the filter housing 8 can be installed on the inner wall of the carriage of the washing and sweeping vehicle and fixed by bolts; the filter shell 8 can be welded on the clean water tank 1 through a straight joint 9 and is quickly connected with a pipe clamp for a pipeline. A built-in filter screen 10 is sealed in the filter shell 8, a water inlet port and a water outlet port of the filter shell 8 are arranged on two sides of the built-in filter screen 10, and if the water inlet port of the filter shell 8 is arranged between the built-in filter screen 10 and the filter shell 8, the water outlet port of the filter shell 8 is arranged in the built-in filter screen 10; or the water outlet port of the filter shell 8 is arranged between the built-in filter screen 10 and the filter shell 8, and the water inlet port of the filter shell 8 is arranged in the built-in filter screen 10, so that sewage is filtered, and the water conveyed to the clean water tank 1 is ensured to be clean water. When the sewage pumped by the submersible pump 5 passes through the secondary filtering device, the sewage is filtered under the action of the built-in filter screen 10, and the sewage purification is realized. A one-way valve 11 for preventing water from flowing backwards can be arranged on a pipeline between the secondary filtering device and the clean water tank 1, and the one-way valve 11 is arranged at the water outlet end of the secondary filtering device to prevent clean water from flowing backwards.

The embodiment has the following advantages:

1. the water of the washing and sweeping vehicle can be recycled, so that the washing and sweeping vehicle can continuously work for at least 6 hours. The washing and sweeping vehicle can continuously work for 2 hours under the full-load state of clean water (9 cubic meters), after the clean water of 9 cubic meters is used up, the sewage of at least 7 cubic meters can be recovered, the clean water of 2 cubic meters is consumed every 2 hours on average, and through experimental calculation, the washing and sweeping vehicle added with the device can continuously work for more than 6 hours after being fully filled with water once.

2. The electric control system has double protection and safe and reliable work. The intelligent dry-burning prevention device is provided with a low water level alarm, a high water level alarm and a submersible pump, and realizes real-time temperature detection and control through a built-in temperature control chip, and can be automatically started and stopped.

3. And the PLC is adopted for control, so that automatic control is realized. When the sewage reaches the high water level limit value, starting the submersible pump to start sewage filtering work; when the sewage is reduced to the low water level limit value, the submersible pump automatically stops working, and the motor in the submersible pump is prevented from idling.

4. The water circulation process adopts two-stage filtration, and the performance is reliable. The first grade filters and goes on in the sewage incasement, gets into the immersible pump after realizing the filtration of bulky grit, leaf etc. and the second grade filters and carries secondary filter equipment with sewage through the immersible pump, and the rethread check valve gets into to the clear water tank to utilize the check valve to play the effect that prevents the clear water backward flow.

The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The water recycling device for the washing and sweeping vehicle is communicated between a clean water tank and a sewage tank of the washing and sweeping vehicle, and is characterized in that: including locating sewage incasement's installing support, the periphery cladding of installing support is fixed with external filter screen, lie in on the installing support install the immersible pump in the external filter screen, the sewage case with be equipped with level sensor in the clear water case respectively, level sensor's signal output part is connected to programmable controller PLC, programmable controller PLC is connected with whole car the control unit ECU, whole car the control unit ECU's control end still is connected with the voice broadcast ware, the water outlet end of immersible pump has secondary filter equipment through the tube coupling, secondary filter equipment's water outlet end communicates to through the pipeline clear water case, just secondary filter equipment with install the check valve that prevents the water refluence on the pipeline between the clear water case.

2. The water recycling device for washing and sweeping vehicles of claim 1, wherein: the submersible pump is internally provided with a built-in temperature control chip in a sealing mode, the built-in temperature control chip is in signal connection with the whole vehicle control unit ECU, and a temperature control range value used for controlling the submersible pump to safely operate is arranged in the whole vehicle control unit ECU.

3. The water recycling device for washing and sweeping vehicles of claim 2, wherein: the temperature control range value is set to be 60-85 degrees.

4. The water recycling device for washing and sweeping vehicles of claim 1, wherein: the sewage tank is provided with a high water level alarm and a low water level alarm, and the high water level alarm and the low water level alarm are respectively connected to the control end of the whole vehicle control unit ECU or the programmable logic controller PLC.

5. The water recycling device for washing and sweeping vehicles of claim 1, wherein: the secondary filter device comprises a filter shell fixedly installed, the filter shell is connected in series with the submersible pump and the pipeline between the clean water tanks, a built-in filter screen is packaged in the filter shell, and a water inlet port and a water outlet port of the filter shell are located on two sides of the built-in filter screen.

6. The water recycling device for washing and sweeping vehicles of claim 1, wherein: the immersible pump still electricity is connected with manual control switch, manual control switch is connected to whole car the control unit ECU set up in the whole car control unit ECU manual control switch's signal priority.