Methanol range-extending system of methanol range-extending heavy truck

By adopting an inner and outer double-layer insulated storage tank and filter screen structure in the methanol range extender system, the problem of external impurities entering the storage tank is solved, achieving stable methanol delivery and monitoring, and improving the system reliability and sensor accuracy.

CN223724729UActive Publication Date: 2025-12-26HENAN LINGYAO NEW ENERGY TECH CO LTD
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Patent Information

Application Number
CN202520562713.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2025-12-26
Estimated Expiration
2035-03-27

AI Technical Summary

Technical Problem

In existing methanol range extender systems, external impurities can easily enter the storage tank when methanol is added, affecting the system's lifespan and reaction efficiency.

Method used

The storage tank adopts a double-layer structure with internal and external insulation, and a filter screen is installed inside the threaded pipe. Combined with a sealing cover and a delivery pump, it ensures the filtration and stable delivery of methanol. At the same time, the tank status is monitored in real time using liquid level and temperature sensors.

Benefits of technology

It effectively blocks heat exchange, prevents impurities from entering, ensures the purity and stability of methanol, and improves the reliability of the system and the monitoring accuracy of the sensors.

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Abstract

The utility model relates to the technical field of new energy automobile accessories, in particular to a methanol range-extending system of a methanol range-extending heavy truck, which comprises a heat-insulating storage tank, the heat-insulating storage tank is of an inner-outer double-layer structure, and a vacuum chamber is arranged between an inner shell and an outer shell of the heat-insulating storage tank. A threaded pipe communicated with the interior of the heat insulation storage box is fixedly installed on a top plate body of the heat insulation storage box, a supporting ring is fixedly installed on the pipe wall of the threaded pipe, a filter screen cylinder is inserted into the supporting ring in a matched mode, the bottom end of the filter screen cylinder is inserted into the heat insulation storage box, and a lifting ring is fixedly installed on the top of the filter screen cylinder. The lifting ring abuts against the upper surface of the supporting ring, the threaded pipe is in threaded connection with a sealing cover, the liquid inlet end of the conveying pump communicates with the interior of the heat insulation storage box through a suction heat preservation pipe, and a heat preservation conveying pipe is fixedly installed at the liquid outlet end of the conveying pump. According to the utility model, impurities can be filtered, and meanwhile, a better heat insulation effect is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to new energy automobile accessory technical field, concretely relates to a methanol range extending system of methanol range extending heavy truck. BACKGROUND

[0002] With the global attention of environmental protection and energy sustainable development increasing, heavy truck as the main tool of highway transportation, its energy consumption and exhaust emission problem is paid more and more attention, traditional diesel heavy truck not only faces the increasingly strict environmental protection regulation limit, and the time and economic cost brought by frequent refueling in long-distance transportation also cannot be underestimated.

[0003] In recent years, methanol as a clean, renewable alternative energy, gradually in the field of automobile application, methanol gas is introduced into proton exchange membrane fuel cell, utilizes the electrochemical reaction of hydrogen and oxygen to generate electric energy, in addition, methanol combustion product is mainly carbon dioxide and water, compared with traditional diesel, can significantly reduce the emission of pollutants such as nitrogen oxides, particulate matter, help to improve air quality, protect the environment, however, the existing methanol automobile still has the problem of low utilization rate in actual use, leading to high energy consumption, limited range.

[0004] In order to improve the utilization rate of energy, the methanol range extending system on the market generally passes through methanol reformer to carry out reforming reaction on methanol and water vapor, generates hydrogen-rich mixed gas, increases the contact area, then introduces the reformed mixed gas into proton exchange membrane fuel cell, utilizes the electrochemical reaction of hydrogen and oxygen to generate electric energy, achieves the effect of providing stable electric power output for vehicle, fully utilizes energy.

[0005] But because methanol range extending system needs to use storage tank to store methanol, and the storage tank is provided with a pipe opening for adding methanol, although the adding operation of methanol can be normally completed, but the pipe opening part lacks a component capable of filtering methanol liquid, although the methanol liquid is clean and impurity-free, but when the pipe opening is exposed and the adding operation of methanol is carried out, foreign matter is easily brought into the tank body in the adding process, the entry of foreign matter will affect the subsequent methanol reaction, etc., affect the service life of the whole system. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a methanol range extending system of methanol range extending heavy truck to solve the defects in the above background technology.

[0007] In order to achieve the above object, the utility model provides the following technical scheme:

[0008] The utility model provides a kind of methanol range extending system of methanol range extending heavy truck, including heat-insulated tank, the heat-insulated tank is double-layer structure inside and outside, vacuum chamber is arranged between the heat-insulated tank's inner and outer shell, the top plate of the heat-insulated tank is fixedly installed with the threaded pipe being connected with the heat-insulated tank inside, support ring is fixedly installed on the pipe wall of the threaded pipe, filter screen cylinder is inserted into the support ring, the bottom end of the filter screen cylinder is inserted into the heat-insulated tank, lifting ring is fixedly installed on the top of the filter screen cylinder, the lifting ring is on the upper surface of the support ring, a plurality of annular equidistantly arranged support beams are fixedly installed between the lifting ring and the filter screen cylinder, sealing cover is threadedly connected on the threaded pipe.

[0009] Preferably, the threaded pipe passes through the double-layer shell of the heat-insulated tank and is fixedly installed on the double-layer shell, and the support beams are arranged along the height direction of the filter screen cylinder.

[0010] Preferably, an outer thermal insulation layer is arranged on the outer surface of the heat-insulated tank, and the thickness of the outer thermal insulation layer is between 0.5 cm and 1.3 cm.

[0011] Preferably, anti-slip stripes are arranged on the outer surface of the sealing cover, and a delivery pump for delivering methanol is arranged on one side of the heat-insulated tank.

[0012] Preferably, the liquid inlet end of the delivery pump is connected with the inside of the heat-insulated tank through a suction heat preservation pipe, and a heat preservation delivery pipe is fixedly installed on the liquid outlet end of the delivery pump.

[0013] Preferably, a liquid level sensor and a temperature sensor are arranged on the top plate of the heat-insulated tank, and the liquid level sensor and the temperature sensor are inserted into the inside of the heat-insulated tank.

[0014] Preferably, a support disc is fixedly installed on the top plate of the heat-insulated tank, and a fixed support is fixedly installed on the liquid level sensor and the temperature sensor, and the fixed support is detachably installed on the upper surface of the support disc.

[0015] Preferably, a lead-through pipe is fixedly installed at the center position of the support disc and penetrates into the inside of the heat-insulated tank, the liquid level sensor and the temperature sensor are inserted into the lead-through pipe, and a sealing gasket is arranged between the fixed support and the support disc.

[0016] Compared with the prior art, the utility model has the beneficial effects that:

[0017] 1. The utility model discloses a double -layer structure and vacuum chamber of heat -proof storage tank are set up, and the outer surface adds the outer heat -proof layer, realizes the effective barrier of heat exchange in the methanol storage process, simultaneously, with the help liquid level sensor and temperature sensor real -time monitoring the methanol state in the tank, reaches the effect that reduces methanol volatilization loss, guarantees the stable effect of storage environment.

[0018] 2. The utility model discloses a filter screen cylinder is set up in the threaded pipe, utilizes its to filter to fill methanol, cooperation sealing cover's sealing effect, prevent the impurity from entering the storage tank, combine the conveying pump and the matched suction heat -preservation pipe and heat -preservation delivery pipe, realized methanol stable and safe delivery, reached the effect that promoted methanol supply link purity and stability.

[0019] 3. The utility model discloses a support disc, fixed support and sealing washer are set up, realized the convenient installation and stable fixation of liquid level sensor and temperature sensor, ensured the accuracy of sensor monitoring data, the design of the through -going pipe further optimized sensor and the connection of storage tank inside, reached the effect that the equipment maintenance and overhauling were convenient, and the system reliability was promoted. DRAWINGS

[0020] Figure 1 It is the whole structure schematic diagram of the utility model;

[0021] Figure 2 It is the utility model Figure 1 The enlarged view of A place in;

[0022] Figure 3 It is the partial structure schematic diagram of the utility model;

[0023] Figure 4 It is the utility model Figure 1 The enlarged view of B place in;

[0024] Figure 5 It is the cross section drawing of the heat -proof storage tank of the utility model;

[0025] The meaning of each reference numeral in the drawing is:

[0026] 1, heat -proof storage tank;10, vacuum chamber;11, outer heat -proof layer;12, threaded pipe;121, support ring;13, filter screen cylinder;14, lift ring;15, support beam;16, sealing cover;161, antiskid stripe;

[0027] 2, conveying pump;20, suction heat -preservation pipe;21, heat -preservation delivery pipe;

[0028] 3, support disc;30, through -going pipe;31, liquid level sensor;32, temperature sensor;33, fixed support;34, sealing washer. DETAILED DESCRIPTION

[0029] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0030] Please refer to Figures 1-5 The present application provides a technical solution: a methanol range extending system of a methanol range extending heavy truck, comprising a heat-insulating tank 1, the heat-insulating tank 1 is a double-layer structure, a vacuum chamber 10 is arranged between the inner and outer shells of the heat-insulating tank 1, an outer heat-insulating layer 11 is arranged on the outer surface of the heat-insulating tank 1, the thickness of the outer heat-insulating layer 11 is between 0.5cm and 1.3cm, so that the heat-insulating tank 1 can effectively block the transmission of external heat, reduce the risk of methanol evaporation caused by temperature fluctuation, and ensure the stability and safety of methanol storage.

[0031] Specifically, a threaded pipe 12 is fixedly installed on the top plate of the heat-insulating tank 1 and is in communication with the inside of the heat-insulating tank 1, a support ring 121 is fixedly installed on the pipe wall of the threaded pipe 12, a filter screen cylinder 13 is inserted and fitted in the support ring 121, the bottom end of the filter screen cylinder 13 is inserted into the heat-insulating tank 1, a lifting ring 14 is fixedly installed on the top of the filter screen cylinder 13, the lifting ring 14 abuts against the upper surface of the support ring 121, a plurality of support beams 15 arranged in a ring shape at equal intervals are fixedly installed between the lifting ring 14 and the filter screen cylinder 13, and a sealing cover 16 is threadedly connected to the threaded pipe 12. When methanol is added to the heat-insulating tank 1, the filter screen cylinder 13 can filter impurities to prevent the impurities from entering the tank and polluting the methanol, and the lifting ring 14 and the support beams 15 ensure that the filter screen cylinder 13 is installed stably, so that the methanol filling process is more pure and reliable.

[0032] In the embodiment, the threaded pipe 12 penetrates the double-layer shell of the heat-insulating tank 1 and is fixedly installed on the double-layer shell, and is used for normally adding methanol into the heat-insulating tank 1; the support beams 15 are arranged along the height direction of the filter screen cylinder 13 and have the effect of supporting the filter screen cylinder 13.

[0033] Specifically, anti-skid stripes 161 are arranged on the outer surface of the sealing cover 16, so that the sealing cover 16 can effectively seal the threaded pipe 12 to prevent methanol from evaporating and leaking, and is convenient for the operator to operate, thereby enhancing the use convenience.

[0034] Further, one side of the heat insulation tank 1 is provided with a delivery pump 2 for delivering methanol, the liquid inlet end of the delivery pump 2 is communicated with the inside of the heat insulation tank 1 through a suction heat preservation pipe 20, and the liquid outlet end of the delivery pump 2 is fixedly installed with a heat preservation delivery pipe 21; the suction heat preservation pipe 20 and the heat preservation delivery pipe 21 are both heat preservation material pipes, so that the methanol can be stably delivered from the heat insulation tank 1 to the subsequent system, and the heat preservation design reduces the heat loss of the methanol in the delivery process, thereby ensuring the stability and efficiency of the methanol delivery.

[0035] In addition, the top plate body of the heat insulation tank 1 is provided with a liquid level sensor 31 and a temperature sensor 32, and the liquid level sensor 31 and the temperature sensor 32 are inserted into the inside of the heat insulation tank 1, so that the liquid level and temperature detection operation can be performed by using the liquid level sensor 31 and the temperature sensor 32.

[0036] It is worth noting that the top plate body of the heat insulation tank 1 is fixedly installed with a support disc 3, and the liquid level sensor 31 and the temperature sensor 32 are both fixedly installed with a fixed support 33, and the fixed support 33 is fixedly installed on the upper surface of the support disc 3 through a plurality of fastening screws, so as to facilitate the fixed installation operation.

[0037] It is worth noting that the center position of the support disc 3 is fixedly installed with a lead-through pipe 30 penetrating into the inside of the heat insulation tank 1, and the liquid level sensor 31 and the temperature sensor 32 are both inserted and matched with the lead-through pipe 30, and the fixed support 33 and the support disc 3 are provided with a sealing gasket 34, so that the liquid level sensor 31 and the temperature sensor 32 can be conveniently and stably installed on the heat insulation tank 1, and the sealing gasket 34 prevents foreign matters and gases from entering the tank, thereby ensuring the stable work of the sensor and the accuracy of the monitoring data.

[0038] Finally, it should be noted that the delivery pump 2, the liquid level sensor 31, the temperature sensor 32, the external power supply and the external control system and other components involved in the utility model are all general standard components or components known to those skilled in the art, and their structure and principle are known to those skilled in the art through technical manuals or through conventional experimental methods, and all electrical components in the idle place of the device are connected by wires, and the specific connection means should refer to the working principle in the utility model, and the electrical components are connected in the order of work, and the detailed connection means are all known in the art.

[0039] When the methanol range-extended system of the methanol range-extended heavy truck of the utility model is used, firstly, the integrity of each component of the heat insulation tank 1 is checked, when methanol needs to be added, the sealing cover 16 is unscrewed, the methanol passes through the threaded pipe 12, is filtered by the filter screen cylinder 13 and then enters the heat insulation tank 1, after the filling is completed, the sealing cover 16 is tightened, and then the filter screen cylinder 13 can be taken out for the cleaning operation of impurities.

[0040] In daily use, the liquid level sensor 31 and the temperature sensor 32 monitor the methanol state in the tank in real time; when methanol needs to be delivered to the subsequent system, the delivery pump 2 is started, the methanol is pumped out from the heat-insulating tank 1 through the suction heat preservation pipe 20, and then delivered out through the heat preservation delivery pipe 21.

[0041] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A methanol range extending system of a methanol range extending heavy-duty vehicle, comprising a heat-insulated tank (1), characterized in that: The heat insulation tank (1) is of double-layer structure, a vacuum chamber (10) is arranged between the inner and outer shells of the heat insulation tank (1), a threaded pipe (12) in communication with the inside of the heat insulation tank (1) is fixedly installed on the top plate of the heat insulation tank (1), a support ring (121) is fixedly installed on the pipe wall of the threaded pipe (12), a filter screen cylinder (13) is insertedly connected in the support ring (121), the filter screen cylinder (13) is inserted into the heat insulation tank (1), a lifting ring (14) is fixedly installed on the top of the filter screen cylinder (13), the lifting ring (14) abuts against the upper surface of the support ring (121), a plurality of support beams (15) arranged at equal intervals in a ring shape are fixedly installed between the lifting ring (14) and the filter screen cylinder (13), and a sealing cover (16) is threadedly connected to the threaded pipe (12).

2. The methanol boosting system of the methanol boosting heavy-duty truck according to claim 1, characterized in that: The threaded pipe (12) penetrates through the double-layer shell of the heat insulation tank (1) and is fixedly installed on the double-layer shell, and the support beams (15) are arranged along the height direction of the filter screen cylinder (13).

3. The methanol boosting system of the methanol boosting heavy-duty truck according to claim 1, characterized in that: An outer heat insulation layer (11) is arranged on the outer surface of the heat insulation tank (1), and the thickness of the outer heat insulation layer (11) is 0.5-1.3 cm.

4. The methanol boosting system of the methanol boosting heavy-duty truck according to claim 1, characterized in that: Anti-skid stripes (161) are arranged on the outer surface of the sealing cover (16), and a conveying pump (2) for conveying methanol is arranged on one side of the heat insulation tank (1).

5. The methanol boosting system of the methanol boosting heavy-duty truck according to claim 4, characterized in that: The liquid inlet end of the conveying pump (2) is in communication with the inside of the heat insulation tank (1) through a heat preservation suction pipe (20), and a heat preservation conveying pipe (21) is fixedly installed on the liquid outlet end of the conveying pump (2).

6. The methanol boosting system of the methanol boosting heavy-duty truck according to claim 1, characterized in that: A liquid level sensor (31) and a temperature sensor (32) are arranged on the top plate of the heat insulation tank (1), and the liquid level sensor (31) and the temperature sensor (32) are inserted into the inside of the heat insulation tank (1).

7. The methanol-burning system of the methanol-burning range-extending truck according to claim 6, characterized in that: A support disc (3) is fixedly installed on the top plate of the heat insulation tank (1), and a fixed support (33) is fixedly installed on the liquid level sensor (31) and the temperature sensor (32), the fixed support (33) being detachably installed on the upper surface of the support disc (3).

8. The methanol-burning system of the methanol-burning range-extending truck according to claim 7, characterized in that: A lead-through pipe (30) penetrating into the inside of the heat insulation tank (1) is fixedly installed at the center position of the support disc (3), the liquid level sensor (31) and the temperature sensor (32) are insertedly connected with the lead-through pipe (30), and a sealing gasket (34) is arranged between the fixed support (33) and the support disc (3).