Sanitation vehicle and low-temperature drainage system thereof

By installing temperature sensors and controllers on sanitation vehicles to control the drainage solenoid valves, automatic drainage at low temperatures is achieved, solving the problem of water tanks and water lines freezing, saving manpower and reducing vehicle damage.

CN224031558UActive Publication Date: 2026-03-24SHANGHAI XIRE ENERGY VEHICLE CO LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In the low temperatures of winter in northern regions, the water in the water tanks and water systems of sanitation vehicles freezes, causing damage to the vehicles. This requires manual drainage, which is labor-intensive and prone to errors.

Method used

A temperature sensor and controller are used to control the first and second drain solenoid valves. The system automatically detects the water temperature after the vehicle is locked and opens the drain solenoid valve when the temperature is lower than the set value, thus draining the water from the clean water tank and water circuit.

Benefits of technology

It enables sanitation vehicles to automatically drain water in low temperatures, preventing water from freezing and damaging the vehicles, saving manpower, and reducing damage caused by water freezing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a low-temperature drainage system of a sanitation vehicle, which comprises a first drainage electromagnetic valve, a second drainage electromagnetic valve, a temperature detection sensor, a controller and a power supply, and the first drainage electromagnetic valve is connected to the bottom of a clear water tank; the second drainage electromagnetic valve is connected to the water path; the temperature detection sensor is arranged on the water path; the first drainage electromagnetic valve, the second drainage electromagnetic valve and the temperature detection sensor are all electrically connected with the controller, and the controller is connected with a vehicle bus; and the power supply is electrically connected with the controller. According to the low-temperature drainage system of the sanitation vehicle, automatic drainage according to the temperature is achieved, manpower is saved, freezing of water in the clear water tank and a water path caused by personnel errors is avoided, and damage to the sanitation vehicle due to freezing of the water path is reduced. The utility model further provides a sanitation vehicle.
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Description

TECHNICAL FIELD

[0001] The utility model relates to drainage device technical field, especially in sanitation vehicle and its low temperature drainage system. BACKGROUND

[0002] At present, the use of sanitation vehicle has been popularized in city sanitation operation, especially washing and sweeping vehicle and cleaning vehicle, which plays an important role in various city sanitation fields. In northern cities, due to low temperature in winter, it is necessary to drive to the parking lot after the completion of sanitation vehicle operation, manually drain the water in the water tank and waterway, which needs to consume manpower, and if the operator forgets to drain water, the water in the water tank and waterway will freeze in the night, which will cause damage to the sanitation vehicle and affect the use of the vehicle. UTILITARY MODEL CONTENT

[0003] Therefore, the utility model provides a sanitation vehicle low temperature drainage system, which realizes automatic drainage according to temperature, saves manpower, avoids freezing of water in the clean water tank and waterway caused by personnel error, and reduces damage to the sanitation vehicle caused by freezing of waterway.

[0004] The utility model also provides a sanitation vehicle.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A sanitation vehicle low temperature drainage system, comprising:

[0007] A first drainage electromagnetic valve is connected to the bottom of the clean water tank.

[0008] A second drainage electromagnetic valve is connected to the waterway.

[0009] A temperature detection sensor is arranged on the waterway.

[0010] A controller is electrically connected with the first drainage electromagnetic valve, the second drainage electromagnetic valve and the temperature detection sensor, and the controller is connected with the vehicle bus.

[0011] A power supply is electrically connected with the controller.

[0012] Optionally, the lowest part of the bottom of the clean water tank is provided with a first drainage port, and the first drainage electromagnetic valve is connected to the first drainage port to control the opening and closing of the first drainage port.

[0013] Optionally, the bottom of the filter on the waterway is provided with a second drainage port, and the second drainage electromagnetic valve is connected to the second drainage port to control the opening and closing of the second drainage port.

[0014] Optionally, the power supply is a low-voltage storage battery.

[0015] Optionally, the inner bottom surface of the clean water tank is provided as an inclined surface, and the clean water tank is provided with a first water drainage opening at a lowest side of the inner bottom surface.

[0016] Optionally, the inner bottom surface of the clean water tank is provided as a flat surface, and the inner bottom surface of the clean water tank is provided with a first groove, the first groove being in communication with the inner cavity of the clean water tank, the groove bottom surface of the first groove being lower than the inner bottom surface of the clean water tank, and the groove bottom surface of the first groove being provided with a first water drainage opening, and the first water drainage electromagnetic valve being connected to the first water drainage opening.

[0017] Optionally, the first groove is arranged at an edge position of the inner bottom surface of the clean water tank.

[0018] Optionally, the groove bottom surface of the first groove is an inclined surface, and the first water drainage opening is arranged at a lowest position of the groove bottom surface of the first groove, and the first water drainage electromagnetic valve is connected to the first water drainage opening.

[0019] Optionally, the temperature detection sensor is arranged on a filter on the water path.

[0020] It can be seen from the above technical solution that the sanitation vehicle low-temperature drainage system provided by the utility model detects the water temperature value of the real-time water path after the vehicle is locked by arranging the temperature detection sensor, and the controller controls the opening and closing of the first water drainage electromagnetic valve and the second water drainage electromagnetic valve according to whether the detected water temperature value is lower than the set value. When the water temperature detected by the temperature detection sensor is lower than the set value, the controller controls the first water drainage electromagnetic valve to open, and the water in the clean water tank is drained. At the same time, the controller controls the second water drainage electromagnetic valve to open, and the stored water in the water path is drained, so that the remaining water is prevented from freezing and damaging the water path. The sanitation vehicle low-temperature drainage system of the utility model automatically opens the first water drainage electromagnetic valve and the second water drainage electromagnetic valve to drain water by the controller, so that the influence of the freezing of the clean water tank and the water path due to low temperature on the use of the vehicle is avoided, manual drainage is not needed, automatic drainage is realized, manpower is saved, the freezing of the water in the clean water tank and the water path under low temperature caused by personnel errors is avoided, and the damage of the sanitation vehicle caused by the freezing of the water path is reduced.

[0021] The utility model also provides a sanitation vehicle, including low-temperature drainage system, the low-temperature drainage system is the sanitation vehicle low-temperature drainage system described above.

[0022] The sanitation vehicle of the utility model has the sanitation vehicle low-temperature drainage system described above, and therefore has the advantages of the sanitation vehicle low-temperature drainage system described above, which will not be repeated here. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0024] Figure 1 The principle diagram of the low-temperature drainage system of the sanitation vehicle provided by the embodiment of the present application is shown in the figure.

[0025] Figure 2 The installation diagram of part of the structure of the low-temperature drainage system of the sanitation vehicle provided by the embodiment of the present application is shown in the figure.

[0026] Figure 3 The installation diagram of part of the structure of the low-temperature drainage system of the sanitation vehicle provided by the embodiment of the present application is shown in the figure.

[0027] Figure 4 The structure diagram of one angle of the clean water tank provided by the embodiment of the present application is shown in the figure.

[0028] Figure 5 The local position enlarged structure diagram of the clean water tank in Figure 4 The structure diagram of another angle of the clean water tank in

[0029] Figure 6 The structure diagram of one angle of the clean water tank provided by the embodiment of the present application is shown in the figure.

[0030] Figure 7 The structure diagram of another angle of the clean water tank in Figure 6 The structure diagram of the A-A position in

[0031] Figure 8 The structure diagram of another angle of the clean water tank in Figure 6 Among them:

[0032]

[0033] 1, power supply,

[0034] 2, controller,

[0035] 3, second drainage electromagnetic valve,

[0036] 4, first drainage electromagnetic valve,

[0037] 5, temperature detection sensor,

[0038] 6, vehicle bus,

[0039] 7, clean water tank,

[0040] 701, first groove,​

[0041] 8. filter,

[0042] 9. second drain,

[0043] 10. first drain. DETAILED DESCRIPTION

[0044] The utility model discloses a sanitation car low temperature drainage system, realize according to temperature automatic drainage, save manpower, avoid the water in the water tank and waterway freezing caused by personnel error, reduce the damage of sanitation car because of waterway icing.

[0045] The utility model discloses a sanitation car.

[0046] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative work belong to the range of the utility model protection.

[0047] Referring to Figures 1 to 8 The utility model discloses a sanitation car low temperature drainage system, including first drainage solenoid valve 4, second drainage solenoid valve 3, temperature detection sensor 5, controller 2 and power 1.

[0048] Among them, first drainage solenoid valve 4 is connected in the bottom of water tank 7, is used to control whether the water in water tank 7 is discharged, and second drainage solenoid valve 3 is connected on the waterway of sanitation car, is used to control whether the water in waterway pipeline is discharged. Temperature detection sensor 5 is set up on the waterway, is used to detect the temperature of the water in waterway. First drainage solenoid valve 4, second drainage solenoid valve 3 and temperature detection sensor 5 all are electrically connected with controller 2, and controller 2 is connected with vehicle bus 6. Power 1 is electrically connected with controller 2, and power 1 supplies power for controller 2, first drainage solenoid valve 4, second drainage solenoid valve 3 and temperature detection sensor 5. The waterway and water tank 7 among them are the structure on the sanitation car in prior art.

[0049] Controller 2 obtains the data stream of vehicle through vehicle bus 6, thereby knows whether vehicle is locked. In the locked state, controller 2 controls temperature detection sensor 5 to detect.

[0050] The utility model discloses a sanitation vehicle low temperature drainage system, through setting up temperature detection sensor 5 detects the water temperature value of real -time waterway after the vehicle lock, whether the controller 2 is according to the water temperature value detected, control the opening and closing of first drainage solenoid valve 4 and second drainage solenoid valve 3, when the water temperature detected by temperature detection sensor 5 is lower than the set value, the controller 2 controls first drainage solenoid valve 4 to open, and the water in clean water tank 7 is discharged. Meanwhile, the controller 2 controls second drainage solenoid valve 3 to open, and the stored water in the waterway is discharged, to avoid the remaining water from freezing and damaging the waterway. The utility model discloses a sanitation vehicle low temperature drainage system, through the controller 2 controls first drainage solenoid valve 4 and second drainage solenoid valve 3 and opens the drainage automatically, to avoid the influence of clean water tank 7 and waterway from freezing due to low temperature on the use of vehicle, and manual drainage is not needed, realizes the automatic drainage according to temperature, saves manpower, avoids the freezing of water in clean water tank 7 and waterway under low temperature caused by personnel error, reduces the damage of sanitation vehicle caused by waterway freezing.

[0051] In order to discharge the stored water in clean water tank 7, the lowest part of the bottom of clean water tank 7 is provided with a first drainage port 10, and the first drainage solenoid valve 4 is connected to the first drainage port 10. When the controller 2 detects that the water temperature value of the real-time waterway collected by the temperature detection sensor 5 is lower than the set value after the vehicle is locked, the controller 2 controls the first drainage solenoid valve 4 to open, and the water in the clean water tank 7 is discharged.

[0052] In an embodiment, as shown in Figure 2 , in order to empty the stored water in clean water tank 7 as much as possible, the inner bottom surface of clean water tank 7 is provided as an inclined surface, the first drainage port 10 is arranged on the lowest side of the inner bottom surface of clean water tank 7, and the first drainage solenoid valve 4 is connected to the first drainage port 10. When the first drainage solenoid valve 4 is opened, the stored water in clean water tank 7 can flow out as much as possible.

[0053] In another embodiment, as shown in Figure 3 and Figure 4 , in order to facilitate installation and empty the stored water in clean water tank 7 as much as possible, the inner bottom surface of clean water tank 7 is provided as a flat surface, the inner bottom surface of clean water tank 7 is provided with a first groove 701, the groove opening of the first groove 701 is communicated with the inner cavity of clean water tank 7, that is, the first groove 701 is part of the tank body of clean water tank 7, the groove bottom surface of the first groove 701 is lower than the inner bottom surface of clean water tank 7, so that the first groove 701 is the lowest position in the cavity of clean water tank 7, the groove bottom surface of the first groove 701 is provided with the first drainage port 10, and the first drainage solenoid valve 4 is connected to the first drainage port 10, so as to facilitate the complete discharge of the water in clean water tank 7. In order to avoid the first groove 701 affecting the installation of clean water tank 7, preferably, the first groove 701 is arranged at the edge position of the inner bottom surface of clean water tank 7.

[0054] Specifically, in an embodiment, as shown in Figure 4 The first groove 701 is a groove structure arranged at a corner position of the inner cavity of the clean water tank 7. In order to quickly drain the stored water, the groove bottom surface of the first groove 701 is an inclined bottom surface, as shown in Figure 5 The groove bottom surface of the first groove 701 can also be a flat surface, which is not limited here. In another embodiment, as shown in Figure 6 and Figure 7 The first groove 701 is a groove structure arranged at a side position of the inner cavity of the clean water tank 7, and preferably, the first groove 701 is arranged along the width direction of the clean water tank 7. In this embodiment, in order to quickly drain the stored water, the groove bottom surface of the first groove 701 is also an inclined bottom surface, as shown in Figure 7 and Figure 8 In other embodiments, the groove bottom surface of the first groove 701 can also be a flat surface, which is not limited here.

[0055] In other embodiments, the inner bottom surface of the clean water tank 7 can also be a flat surface. The tank body of this structure can have a small amount of water that cannot be drained, and the drainage effect is poor.

[0056] In order to facilitate the drainage of water in the water path, the bottom of the filter 8 on the water path is provided with a second drainage port 9, that is, the second drainage port 9 is arranged at the lowest position of the water path, and the second drainage electromagnetic valve 3 is connected at the second drainage port 9. The second drainage electromagnetic valve 3 is used to control the opening and closing of the second drainage port 9. When the controller 2 detects that the real-time water temperature value collected by the temperature detection sensor 5 is lower than the set value under the condition that the vehicle is locked, the controller 2 controls the second drainage electromagnetic valve 3 to open, and the water in the water path is drained to avoid the stored water in the water path from freezing.

[0057] Specifically, the power supply 1 is a low-voltage storage battery.

[0058] The sanitation vehicle low-temperature drainage system of the utility model includes a temperature detection sensor 5, a first drainage electromagnetic valve 4 and a second drainage electromagnetic valve 3. The temperature detection sensor 5 is arranged at the filter 8 to detect the real-time water temperature value. The first drainage electromagnetic valve 4 is used to control the drainage of the clean water tank 7, and the second drainage electromagnetic valve 3 is used to control the drainage of the water path. When the two drainage electromagnetic valves are opened, the water in the clean water tank 7 and the water path can be completely drained, and the remaining water is prevented from freezing and damaging the vehicle.

[0059] The low-temperature drainage system of the sanitation vehicle, when working, the controller 2 receives temperature data detected by the temperature detection sensor 5 and analyzes, when analyzing and judging that the waterway water temperature value gradually reduces and presents a downward trend, and when the water temperature continuously reduces and reaches a set temperature value, for example, less than or equal to 3 degrees Celsius, the controller 2 controls the first drainage electromagnetic valve 4 and the second drainage electromagnetic valve 3 to lose power and open, and completely drains the water in the clean water tank 7 and the waterway. Optionally, the controller 2 can adopt an independent embedded processor, such as an ARM processor.

[0060] The utility model further provides a sanitation vehicle, including low-temperature drainage system, low-temperature drainage system is above-mentioned sanitation vehicle low-temperature drainage system.

[0061] In the description of the present scheme, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "vertical", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present scheme.

[0062] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the present scheme, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0063] Each embodiment in the specification is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same or similar parts between each embodiment can be referred to each other.

[0064] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the utility model. Therefore, the utility model will not be limited to these embodiments shown in the text, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A low-temperature drainage system for sanitation vehicles, characterized in that, include: The first drain solenoid valve is connected to the bottom of the clean water tank; The second drain solenoid valve is connected to the water line; Temperature detection sensors are installed in the water circuit; The controller is electrically connected to the first drain solenoid valve, the second drain solenoid valve, and the temperature detection sensor, and the controller is connected to the vehicle bus. The power supply is electrically connected to the controller.

2. The low-temperature drainage system for sanitation vehicles according to claim 1, characterized in that, A first drain outlet is provided at the lowest point of the bottom of the clean water tank. The first drain solenoid valve is connected to the first drain outlet and is used to control the opening and closing of the first drain outlet.

3. The low-temperature drainage system for sanitation vehicles according to claim 1, characterized in that, The bottom of the filter in the water path is provided with a second drain outlet, and the second drain solenoid valve is connected to the second drain outlet to control the opening and closing of the second drain outlet.

4. The low-temperature drainage system for sanitation vehicles according to claim 1, characterized in that, The power source is a low-voltage battery.

5. The low-temperature drainage system for sanitation vehicles according to any one of claims 1-4, characterized in that, The inner bottom surface of the clean water tank is set as an inclined surface, and a first drain outlet is provided on the lowest side of the clean water tank near the inner bottom surface. The first drain solenoid valve is connected to the first drain outlet.

6. The low-temperature drainage system for sanitation vehicles according to any one of claims 1-4, characterized in that, The inner bottom surface of the clean water tank is set as a plane, and a first groove is provided on the inner bottom surface of the clean water tank. The first groove is connected to the inner cavity of the clean water tank. The bottom surface of the first groove is lower than the inner bottom surface of the clean water tank. A first drain outlet is provided on the bottom surface of the first groove. The first drain solenoid valve is connected to the first drain outlet.

7. The low-temperature drainage system for sanitation vehicles according to claim 6, characterized in that, The first groove is located at the edge of the inner bottom surface of the water tank.

8. The low-temperature drainage system for sanitation vehicles according to claim 6, characterized in that, The bottom surface of the first groove is an inclined surface, and the first drain outlet is provided at the lowest position of the bottom surface of the first groove.

9. The low-temperature drainage system for sanitation vehicles according to claim 1, characterized in that, The temperature sensor is mounted on the filter in the water path.

10. A sanitation vehicle, comprising a low-temperature drainage system, characterized in that, The low-temperature drainage system is the sanitation vehicle low-temperature drainage system as described in any one of claims 1-9.