Battery replacement system chassis gas circuit of battery distribution vehicle

Abstract

The utility model discloses a battery replacing system chassis gas circuit of a battery distribution vehicle, which belongs to the technical field of battery distribution and comprises an air compressor and a first gas storage cylinder which are sequentially arranged on a high-pressure gas pipeline, the rear end of the first gas storage cylinder is connected with a battery replacing lock mechanism gas circuit, and a gas pressure sensor is arranged on the first gas storage cylinder. The air pressure sensor is used for detecting the air pressure of the first air storage cylinder and providing a signal for starting of the air compressor when the air pressure of the first air storage cylinder is lower than a set value. According to the system, by arranging the air compressor, sufficient high-pressure gas can be provided for the battery replacing lock mechanism, and the requirement for continuous replacement of the battery replacing battery box on the battery distribution vehicle is met.

Description

Technical Field

[0001] The utility model relates to the technical field of battery distribution, and in particular to a chassis air circuit of a battery replacement system of a battery distribution vehicle. Background Art

[0002] In the battery replacement of heavy trucks, battery distribution is also an important component. Currently, battery distribution equipment includes mobile battery replacement vehicles (tractors) and battery distribution vehicles. In order to transport more battery replacement boxes, semi-trailers will be selected as battery distribution vehicles. There will be multiple sets of battery replacement lock mechanisms driven by air chamber piston cylinders on the battery distribution vehicle. During the continuous replacement or lifting of battery boxes, a large amount of high-pressure gas is required to control the opening and closing of the battery replacement lock mechanism. The high-pressure gas in the gas storage device on the original chassis of the semi-trailer can usually only meet the needs of driving and parking, which is not enough to meet the high-pressure gas demand of the battery replacement lock mechanism when the battery replacement battery boxes on the battery transport vehicle are continuously replaced. Utility Model Content

[0003] The purpose of the utility model is to overcome the technical problems existing in the prior art and provide a chassis air circuit of a battery replacement system of a battery delivery vehicle.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A chassis air circuit of a battery replacement system of a battery delivery vehicle is provided, comprising an air compressor and a first air reservoir sequentially arranged on a high-pressure gas pipeline, wherein the rear end of the first air reservoir is connected to the air circuit of a battery replacement lock mechanism, and an air pressure sensor is provided on the first air reservoir, which is used to detect the air pressure of the first air reservoir and provide a signal for starting the air compressor when the air pressure of the first air reservoir is lower than a set value.

[0006] In some preferred embodiments, a dryer with a first pressure regulating valve is connected between the first air storage cylinder and the air compressor.

[0007] In some preferred embodiments, a second pressure regulating valve is provided between the first air reservoir and the air circuit of the battery-changing lock mechanism.

[0008] In some preferred embodiments, the front end of the first gas cylinder is connected to the main gas circuit of the battery delivery vehicle, and a one-way valve is provided between the first gas cylinder and the main gas circuit of the battery delivery vehicle.

[0009] In some preferred embodiments, the main gas circuit of the battery delivery vehicle is also connected to the main gas circuit of the tractor vehicle.

[0010] Preferably, the main gas circuit of the battery delivery vehicle is connected to the main gas circuit of the tractor vehicle via a quick-connect connector.

[0011] Preferably, the battery delivery vehicle is provided with a brake air chamber, and the main air path of the battery delivery vehicle is connected to the brake air chamber.

[0012] Preferably, a second gas tank is provided on the main gas circuit of the battery delivery vehicle.

[0013] In some preferred embodiments, a plurality of independently operated power-changing lock mechanisms are provided on the gas path of the power-changing lock mechanism, and a gas distributor is provided in each group of the power-changing lock mechanisms.

[0014] Preferably, each battery-changing lock mechanism is provided with a sensor for detecting the status of the battery-changing lock.

[0015] It should be further explained that the technical features corresponding to the various options of the above system can be combined or replaced with each other to form a new technical solution.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] (1) The utility model sets an air compressor and a first air tank in the original battery-swap chassis air circuit. When the air pressure in the first air tank is insufficient, the air compressor is turned on to replenish high-pressure gas in the first air tank, ensuring that there is sufficient gas in the battery-swap lock mechanism air circuit, providing sufficient high-pressure gas to drive the battery-swap lock mechanism, and providing a guarantee for the selective opening and closing of multiple battery-swap lock mechanisms, thereby meeting the continuous replacement of battery boxes on battery delivery vehicles.

[0018] (2) In some examples, a dryer with a first pressure regulating valve is provided between the first air storage cylinder and the air compressor. On the one hand, the moisture in the high-pressure air in the air path of the battery-swap chassis can be dried out. On the other hand, the pressure regulating valve is used to limit the maximum pressure value exceeding the first air storage cylinder, thereby ensuring the safety of the first air storage cylinder.

[0019] (3) In some examples, a second pressure regulating valve is provided between the first air reservoir and the air circuit of the battery-changing lock mechanism to limit the air pressure in the air circuit of the battery-changing lock mechanism and ensure the safety of the air circuit.

[0020] (4) In some examples, the front end of the first gas reservoir is connected to the main gas circuit of the battery delivery vehicle, and a one-way valve is provided between the first gas reservoir and the main gas circuit of the battery delivery vehicle. On the one hand, the main gas circuit of the battery delivery vehicle is used to replenish gas for the battery swap lock mechanism. On the other hand, the one-way valve only allows gas from the main gas circuit of the battery delivery vehicle to enter, and does not allow the battery delivery vehicle to use gas in the battery swap chassis gas circuit, further ensuring that there is sufficient gas in the battery swap chassis gas circuit.

[0021] (5) In some examples, the main gas circuit of the battery delivery vehicle is also connected to the main gas circuit of the tractor vehicle. The main gas circuit of the tractor vehicle can provide gas to the main gas circuit of the battery delivery vehicle to ensure the driving and parking of the battery delivery vehicle, and can also replenish gas for the battery replacement lock mechanism.

[0022] (6) In some examples, the battery lock mechanism gas circuit is provided with multiple sets of independently operated battery lock mechanisms, and each set of battery lock mechanisms is provided with a gas distributor. The gas distributor cooperates with corresponding control instructions to realize the selective opening and closing of multiple battery lock mechanisms, thereby realizing the accurate locking or release of multiple battery boxes.

[0023] (7) In some examples, a sensor for detecting the status of the battery lock is provided on each battery lock mechanism to detect whether the battery lock is in place and ensure accurate control of the battery box. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the chassis gas circuit of the battery swap system shown in an embodiment of the present utility model;

[0025] Figure 2 This is a schematic diagram of the chassis gas circuit of a battery swap system with a one-way valve according to an embodiment of the present utility model;

[0026] Figure 3 This is a physical diagram of the chassis gas circuit of the battery swap system shown in an embodiment of the present utility model;

[0027] Figure 4 This is a schematic diagram of a single-group battery-changing lock mechanism shown in an embodiment of the present utility model. DETAILED DESCRIPTION

[0028] The following is a clear and complete description of the technical solution of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0029] In the description of this utility model, it should be noted that the directions or positional relationships indicated by terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" are based on the directions or positional relationships described in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, terms such as "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model in specific contexts.

[0031] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0032] Reference Figure 1 In an exemplary embodiment, a chassis air circuit of a battery replacement system of a battery delivery vehicle is provided, comprising an air compressor 1 and one or more first air reservoirs 2 sequentially arranged on a high-pressure gas pipeline. The rear end of the first air reservoir 2 is connected to an air circuit 3 of a battery replacement lock mechanism. An air pressure sensor 4 is provided on the first air reservoir 2. The air pressure sensor 4 is used to detect the air pressure of the first air reservoir 2 and provide a signal for starting the air compressor 1 when the air pressure of the first air reservoir 2 is lower than a set value.

[0033] Specifically, the first gas cylinder 2 stores high-pressure gas, which is used to provide gas for the battery-changing lock mechanism air circuit 3 to control the opening and closing of the battery-changing lock mechanism. When the air circuit is working, the air pressure in the first gas cylinder 2 is detected in real time by the air pressure sensor 4, and an air pressure threshold is set for the first gas cylinder 2 in advance. When the detection value is lower than the air pressure threshold, it indicates that the current air pressure in the first gas cylinder 2 is insufficient. At this time, the air compressor 1 is turned on to replenish high-pressure gas in the first gas cylinder 2 to ensure that there is sufficient gas in the battery-changing lock mechanism air circuit 3, to provide sufficient high-pressure gas for driving the battery-changing lock mechanism, and to provide a guarantee for the selective opening and closing of multiple groups of battery-changing lock mechanisms (area A in the figure), to meet the continuous replacement of battery boxes on the battery delivery vehicle.

[0034] In some examples, a dryer 5 with a first pressure regulating valve is connected between the first air reservoir 2 and the air compressor 1. This can dry out moisture from the high-pressure air in the battery-swap chassis air circuit. Furthermore, the first pressure regulating valve acts as an unloading valve, limiting the maximum pressure in the first air reservoir 2 to ensure its safety.

[0035] In some examples, a second pressure regulating valve 6 is provided between the first air reservoir 2 and the power-changing lock mechanism air circuit 3. The second pressure regulating valve 6 limits the maximum atmospheric pressure in the power-changing lock mechanism air circuit 3 to ensure air circuit safety.

[0036] It should be noted that the chassis air circuit of the above-mentioned battery exchange system can be used separately on the battery delivery vehicle. It does not need to provide gas through the main air circuit 7 of the battery delivery vehicle. The gas supply to the battery exchange lock mechanism air circuit can be achieved only through its own air compressor 1 and the first air storage cylinder 2.

[0037] In another exemplary embodiment, the above-mentioned chassis gas circuit of the battery swap system is not used alone on the battery delivery vehicle, and the chassis gas circuit of the battery swap system can be connected to the battery delivery vehicle main gas circuit 7 of the battery delivery vehicle. Specifically, Figure 2-Figure 3 As shown, the front end of the first gas reservoir 2 is connected to the main gas circuit 7 of the battery delivery vehicle, and a one-way valve 8 is provided between the first gas reservoir 2 and the main gas circuit 7 of the battery delivery vehicle. On the one hand, the main gas circuit 7 of the battery delivery vehicle can be used to replenish high-pressure gas for the battery swap lock mechanism (area A in the figure). On the other hand, due to the provision of the one-way valve 8, the gas circuit only allows gas from the main gas circuit 7 of the battery delivery vehicle to enter, and does not allow the battery delivery vehicle to use gas in the battery swap chassis gas circuit, further ensuring that the gas pressure in the battery swap chassis gas circuit is stable and the gas source is sufficient.

[0038] In another exemplary embodiment, the main gas circuit 7 of the battery delivery vehicle is also connected to the main gas circuit 9 of the tractor. Specifically, the battery delivery vehicle is towed by the tractor during delivery. The main gas circuit 9 of the tractor can be provided with an air compressor (not shown in the figure) and other structures for generating high-pressure gas. The main gas circuit 7 of the battery delivery vehicle is used to control the driving and parking of the battery delivery vehicle. Figure 2 As shown, the left side of the battery delivery vehicle's main air circuit 7 is connected to the tractor's main air circuit 9, which is connected to the tractor's air compressor. High-pressure gas entering from the tractor's main air circuit 9 is stored in a second air reservoir 71 within the battery delivery vehicle's main air circuit 7. This high-pressure gas is then supplied to a brake air chamber 72 on the battery delivery vehicle to control brake application, based on actual demand. In other words, the battery delivery vehicle's main air circuit 7 is connected to the brake air chamber on the battery delivery vehicle. The battery delivery vehicle's main air circuit 7 is connected to and disconnected from the tractor's main air circuit 9 via a quick-connect connector (not shown).

[0039] It should be noted that in some cases, when the tractor is separated from the battery delivery vehicle, the main gas circuit 7 of the battery delivery vehicle is separated from the main gas circuit of the tractor. If a one-way valve 8 is not provided, the gas in the gas circuit 3 of the battery-changing lock mechanism will flow into the main gas circuit 7 of the battery delivery vehicle, resulting in insufficient gas in the gas circuit 3 of the battery-changing lock mechanism. Therefore, when the chassis gas circuit of the battery-changing system is connected to the main gas circuit 7 of the battery delivery vehicle, a one-way valve 8 is preferably provided so that the air compressor 1 does not need to consider the high and low air pressure issues in the main gas circuit 7 of the battery delivery vehicle, so as to ensure that the battery delivery vehicle can independently complete the control of the battery-changing lock mechanism after being separated from the tractor. At the same time, when the battery delivery vehicle needs to move, the high-pressure gas in the aforementioned second gas cylinder 71 can drive the piston in the brake air chamber 72 to move, thereby releasing the brake. For example, the tractor tows the battery delivery vehicle to the way or after the battery-changing station to complete other tasks, and the battery delivery vehicle stops to complete the battery-changing one by one. The battery delivery vehicle can still be moved by other traction tools.

[0040] In some examples, the power-changing lock mechanism gas circuit 3 is provided with multiple sets of independently operated power-changing lock mechanisms, each set of power-changing lock mechanisms is as follows: Figure 1 Or as shown in area A in 2, specifically, the enlarged view of area A is as shown Figure 4 As shown, a gas distributor 10 is provided in each battery-changing lock mechanism. Each battery-changing lock mechanism uses the gas distributor 10 to simultaneously open or close multiple lock mechanisms. In addition, the multiple battery-changing lock mechanisms operate independently and are controlled separately according to instructions. As needed, one or more groups can be opened separately to accurately lock or release multiple battery boxes.

[0041] Furthermore, each battery lock mechanism is equipped with a sensor (not shown in the figure) to detect the battery lock status. This sensor detects whether the battery lock is in place, ensuring accurate control of the battery box. The sensor model is TZ-7140 or other sensors that can detect the battery lock status, such as a pressure sensor.

[0042] The above specific implementation methods are detailed descriptions of the present invention. It cannot be determined that the specific implementation methods of the present invention are limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, they can make several simple deductions and substitutions without departing from the concept of the present invention, which should be regarded as falling within the scope of protection of the present invention.

Claims

1. A chassis gas circuit for a battery replacement system of a battery delivery vehicle, characterized in that: It includes an air compressor and a first air tank which are sequentially arranged on a high-pressure gas pipeline. The rear end of the first air tank is connected to the air circuit of the power-changing lock mechanism. The first air tank is provided with an air pressure sensor, which is used to detect the air pressure of the first air tank and provide a signal for starting the air compressor when the air pressure of the first air tank is lower than a set value.

2. The chassis gas circuit of the battery swap system according to claim 1, characterized in that: A dryer with a first pressure regulating valve is connected between the first air storage cylinder and the air compressor.

3. The chassis gas circuit of the battery swap system according to claim 1, characterized in that: A second pressure regulating valve is provided between the first air reservoir and the air circuit of the battery-changing lock mechanism.

4. The chassis gas circuit of the battery swap system according to claim 1, characterized in that: The front end of the first gas storage cylinder is connected to the main gas circuit of the battery delivery vehicle, and a one-way valve is provided between the first gas storage cylinder and the main gas circuit of the battery delivery vehicle.

5. The chassis gas circuit of the battery swap system according to claim 4, characterized in that: The main gas circuit of the battery delivery vehicle is also connected to the main gas circuit of the tractor vehicle.

6. The chassis gas circuit of the battery swap system according to claim 5, characterized in that: The main gas circuit of the battery delivery vehicle is connected to the main gas circuit of the tractor vehicle through a quick-connect connector.

7. The chassis gas circuit of the battery swap system according to claim 4, characterized in that: The battery delivery vehicle is provided with a brake air chamber, and the main air path of the battery delivery vehicle is communicated with the brake air chamber.

8. The chassis gas circuit of the battery swap system according to claim 4, characterized in that: A second gas tank is provided on the main gas line of the battery delivery vehicle.

9. The chassis gas circuit of the battery swap system according to claim 1, characterized in that: The gas path of the power-changing lock mechanism is provided with a plurality of independently operated power-changing lock mechanisms, and a gas distributor is provided in each group of power-changing lock mechanisms.

10. The chassis gas circuit of the battery swap system according to claim 9, characterized in that: Each battery-changing lock mechanism is provided with a sensor for detecting the working status of the battery-changing lock mechanism.

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