WO2023041083A1

WO2023041083A1 - Position determining apparatus, vehicle bearing platform, and battery swapping station

Info

Publication number: WO2023041083A1
Application number: PCT/CN2022/119723
Authority: WO
Inventors: 张建平; 陈新雨
Original assignee: 奥动新能源汽车科技有限公司; 上海电巴新能源科技有限公司
Priority date: 2021-09-17
Filing date: 2022-09-19
Publication date: 2023-03-23

Abstract

The present invention provides a position determining apparatus that facilitates the improvement of trigger sensitivity, a vehicle bearing platform, and a battery swapping station. The position determining apparatus comprises a bottom plate, a limiting component and a detecting component. The limiting component is located above the bottom plate and is used so that the position of a wheel is determined to be in a limiting region on the bottom plate, wherein the limiting region can support the wheel upwards; the detecting component comprises a movable block and a sensor, and the movable block of the detecting component is located in the limiting region; when the wheel enters the limiting region, the movable block is pushed by the wheel to move from an initial position to a preset position, thereby triggering the sensor to send a position determining electric signal. The position determining apparatus can limit the wheel by means of the limiting component. When the wheel enters the limiting region, the sensor is triggered to send the position determining electric signal that can promptly trigger a battery swapping device to perform a next step battery swapping operation, and the electric signal can also inform a driver that an electric vehicle has reached the limiting region, thereby improving the battery swapping efficiency.

Description

Position determining device, vehicle loading platform and switching station

This application claims the priority of Chinese patent applications 2021222696190, 2021222692128 and 2021222696171 with the filing date of 2021/9/17. This application cites the full text of the above-mentioned Chinese patent application.

technical field

The invention relates to the field of electric vehicles, in particular to a position determining device, a vehicle-carrying platform and a power station.

Background technique

The battery swapping station is used to replace the battery of the electric vehicle. After the electric vehicle enters the vehicle-carrying platform of the battery swapping station and its stable position is determined, the battery swapping equipment of the battery swapping station drives into the battery swapping room from the charging room and replaces the battery of the electric vehicle.

However, the existing vehicle-carrying platform cannot automatically judge whether the electric vehicle has driven to the designated position. The existing vehicle-carrying platform manually detects that the vehicle has reached the limited area, and the battery replacement equipment performs the battery replacement operation of the electric vehicle. And the existing wide-angle mirror or sensor is usually installed in the battery swap station, and the driver judges whether the wheel has driven to the designated position by visual inspection or by obtaining an electrical signal.

The comparative document CN210554306U discloses a vehicle positioning device in a charging and swapping station, including two V-shaped positioning components and a position detection sensor. The positioning component is arranged on a support; Adjust the positioning of the car in the direction. The elastic supporting part includes a fixed part, a limit part, a movable part and a spring; the movable part is set in the limit part, one end is fixedly connected with the positioning part in place, the other end is connected with the fixed part through a spring, and the fixed part is fixedly connected with the support ;The position detection sensor is used to detect the position signal when the movable part is at a low point,

It can be used to detect whether there is a vehicle to be replaced at the battery replacement station and whether the position of the vehicle to be replaced is accurate. However, with this structure, it is necessary for the wheels to push the V-shaped positioning assembly to drive the detection movable part to a low point, and the sensitivity of pressing down to detect the position is low, the structure is complicated, the cost is high, and it is easy to wear and damage.

Contents of the invention

The technical problem to be solved by the present invention is to provide a position determining device, a vehicle platform and an exchangeable device for overcoming the defects of the prior art, such as the low sensitivity of detecting the position of the position determination device of the vehicle-carrying platform, the complex structure, high cost and easy loss power station.

A position determination device, characterized in that the position determination device comprises:

floor;

a limiting component, the limiting component is located above the bottom plate and is used to determine the position of the wheel on the limiting area on the bottom plate, the limiting area is configured to be able to support the wheel upward;

The detection part includes a movable block and a sensor. The movable block of the detection part is located in the limit area, and when the wheel enters the limit area, the movable block is pushed by the wheel and displaced from the initial position to The preset position triggers the sensor to send an electrical signal for position determination.

In this solution, the position determination device can limit the wheel through the limiting component. When the wheel travels to the limiting area, the limiting component can prevent the wheel from moving on the bottom plate. At this time, the wheel pushes the movable block from The initial position is displaced to the preset position, triggering the sensor to send a position determination electric signal, which can remind the battery swapping station that the vehicle has reached the limit area, which is convenient for timely triggering the battery swapping equipment to perform the next step of battery swapping operation, thereby improving the efficiency of battery swapping. Moreover, the electric signal can notify the driver of the electric vehicle in various forms (light signal, sound signal, etc.), so that the driver knows that the electric vehicle has reached the limited area, without manual judgment, which reduces the difficulty of driving operation.

Preferably, the sensor is a proximity switch. When the movable block is at the preset position, the axial side of the sensor of the proximity switch is blocked by the movable block, and the movable block and the sensor The minimum distance of the sensor is smaller than the triggering distance of the proximity switch, so that the proximity switch is triggered and sends out an electrical signal for position determination.

Preferably, the sensor is a photoelectric switch, and the photoelectric switch has a photosensitive slot extending along the displacement direction of the movable block. When the movable block is at the preset position, the movable block is partially positioned at In the light sensing slot, the photoelectric switch is triggered and an electric signal for position determination is sent out.

Preferably, the movable block can reciprocate between an initial position and a preset position, the bottom plate is provided with a detection hole, the movable block is slidably passed through the detection hole, and the sensor is located at the the underside of the floor;

Wherein, when the movable block is at the initial position, the movable block protrudes from the detection hole on the upper surface of the bottom plate; when the movable block is at the preset position, the movable block is downward Retracts into the detection hole and triggers the sensor.

Preferably, the detection component includes an elastic member, and the elastic member is used to provide the movable block with an elastic force required to move toward the initial position.

Preferably, the movable block includes a pressing plate, and one end of the elastic member is against the pressing plate.

Preferably, at least one guide rod is fixed on the lower part of the bottom plate, the elastic member is sleeved on the outside of the guide rod, the end of the guide rod away from the bottom plate has a limit step, and the elastic member One end leans against the pressing plate, and the other end leans against the limiting step.

Preferably, the bottom of the bottom plate is provided with a mounting seat, the mounting seat has a recess, the pressure plate part is set in the recess, the sensor is fixed on the mounting seat, and the sensor part is located in the inside the recess.

Preferably, the sensor includes a travel switch, and when the movable block is at the preset position, the movable block is in contact with the travel switch.

Preferably, the travel switch has a plunger portion extending upward, there is a distance between the plunger portion and the bottom surface of the bottom plate, and a part of the movable block is located between the plunger portion and the bottom plate between.

Preferably, a mounting seat is provided at the bottom of the bottom plate, the mounting seat includes a first mounting plate parallel to the displacement direction, and the sensor of the proximity switch is arranged on the first mounting plate.

Preferably, the sensor of the proximity switch is adjustable and fixed on the first mounting plate along the moving direction of the movable block.

Preferably, the first mounting plate is provided with a first mounting hole, the first mounting hole is a waist hole, the proximity switch is fixed to the first mounting plate through the waist hole, and the waist hole The extending direction is parallel to the moving direction of the movable block.

Preferably, the mounting seat includes a second mounting plate, the second mounting plate is fixed below the bottom plate, and the second mounting plate and the bottom plate are adjustable and fixed along the direction perpendicular to the movement of the movable block .

Preferably, the second mounting plate is provided with threaded holes, the second mounting plate is mounted on the bottom plate through the threaded holes, and the threaded holes are waist holes.

Preferably, the movable block includes a shielding plate extending along the displacement direction, and when the movable block is at the preset position, the shielding plate is located on the axial side of the sensing part of the proximity switch.

Preferably, the bottom of the base plate is provided with a mounting seat, the mounting seat includes a first mounting plate parallel to the displacement direction, a first mounting hole is provided on the first mounting plate, and the proximity switch The sensor passes through the first mounting hole, and the first mounting plate is parallel to the shielding plate.

Preferably, a mounting seat is provided at the bottom of the bottom plate, the mounting seat includes a first mounting plate parallel to the displacement direction, and the photoelectric switch is arranged on the first mounting plate.

Preferably, the photoelectric switch is adjustable and fixed on the first mounting plate along the moving direction of the movable block, and/or, the distance between the extending direction of the photosensitive slot and the moving direction of the movable block is The angle between them is adjustable.

Preferably, the first mounting plate is provided with a first mounting hole, the first mounting hole is a waist hole, the photoelectric switch is fixed to the first mounting plate through the waist hole, and the waist hole The extending direction is parallel to the moving direction of the movable block.

Preferably, the first mounting plate has two parallel first mounting holes, two fastening screws respectively cooperate with the two first mounting holes to fix the photoelectric switch, and the fastening screws The diameter is smaller than the width of the first mounting hole.

Preferably, the second mounting plate is provided with a threaded through hole, the second mounting plate is installed on the bottom plate through the threaded through hole, and the threaded through hole is a waist hole.

Preferably, the movable block includes a shielding plate extending along the displacement direction, and when the movable block is at the preset position, the shielding plate is located in the light sensing groove.

Preferably, the bottom of the base plate is provided with a mounting seat, the mounting seat includes a first mounting plate parallel to the displacement direction, the photoelectric switch is arranged on the first mounting plate, the first mounting plate The plate is perpendicular to the shielding plate.

Preferably, the limiting parts include:

The front position determining clamping part and the rear position determining clamping part are arranged symmetrically on the front and rear sides of the limiting area;

and / or

The guide position determines the pinch roller device, which has two groups, which are arranged symmetrically on the left and right sides of the limiting area.

A vehicle-carrying platform is characterized in that it includes the above-mentioned position determination device.

A power exchange station is characterized in that it includes a vehicle power exchange mechanism and the above-mentioned vehicle-carrying platform.

Description of drawings

Fig. 1 is a schematic structural diagram of a power station according to Embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of the vehicle-carrying platform according to Embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of the front lifting platform of the vehicle-carrying platform according to Embodiment 1 of the present invention.

FIG. 4 is a schematic structural diagram of a position determining device according to Embodiment 1 of the present invention.

FIG. 5 is a schematic structural diagram of a detection component of the position determining device according to Embodiment 1 of the present invention.

FIG. 6 is a schematic structural diagram of a detection component of a position determining device according to Embodiment 2 of the present invention.

FIG. 7 is a schematic structural diagram of a detection component of a position determination device according to Embodiment 3 of the present invention.

FIG. 8 is another structural schematic diagram of the detection component of the position determining device according to Embodiment 3 of the present invention.

Explanation of reference signs:

Embodiment 1: Swapping station 100; vehicle loading platform 10; platform body 1; position determining device 2; bottom plate 21; detection hole 211; front position determining clamping part 22; rear position determining clamping part 23; 24; Position determination roller 241; Position determination bracket 242; Guide roller 25; Lifting device 3; Lifting platform 31; Lifting mechanism 32; Front lifting platform 33; Rear lifting platform 34; Movable block 4; part 41; pressure plate 42; guide rod 5; limit step 51; mounting base 6; concave part 61;

Embodiment 2: Swapping station 100; vehicle loading platform 10; platform body 1; position determination device 2; bottom plate 21; detection hole 211; front position determining clamping part 22; rear position determining clamping part 23; 24; Position determination roller 241; Position determination bracket 242; Guide roller 25; Lifting device 3; Lifting platform 31; Lifting mechanism 32; Front lifting platform 33; Rear lifting platform 34; Movable block 4; Part 41; pressing plate 42; shielding plate 43; guide rod 5; limit step 51; mounting seat 6; first mounting plate 61; first mounting hole 611; second mounting plate 62; Inductor 71; elastic member 8.

Embodiment 3: Power station 100; vehicle loading platform 10; platform body 1; position determination device 2; bottom plate 21; detection hole 211; front position determination clamping part 22; rear position determination clamping part 23; clamping roller device 24; Position determination roller 241; Position determination bracket 242; Guide roller 25; Lifting device 3; Lifting platform 31; Lifting mechanism 32; Front lifting platform 33; Rear lifting platform 34; Movable block 4; Part 41; pressing plate 42; shielding plate 43; guide rod 5; limit step 51; mounting seat 6; first mounting plate 61; first mounting hole 611; second mounting plate 62; 63; photoelectric switch 7; light induction groove 71; elastic member 8; fastening screw 9.

Detailed ways

A number of embodiments are given below, and the present invention is more clearly and completely described in conjunction with the accompanying drawings.

Example 1

As shown in Fig. 1, Fig. 2 and Fig. 3, the present embodiment provides a battery exchange station 100. The battery exchange station 100 includes power exchange equipment and a vehicle-mounted platform 10, wherein the power exchange equipment is used to replace batteries for electric vehicles, and the vehicle-mounted platform 10 includes a platform body 1, a position determination device 2 and a lifting device 3, the electric vehicle can drive onto the platform body 1, and the position determination device 2 is arranged on the platform body 1 corresponding to the position where the wheels of the electric vehicle stop, for The wheel position is determined. Four position determination devices 2 can be provided, that is, each wheel of the electric vehicle is correspondingly provided with a position determination device 2, or only two position determination devices 2 can be provided, and the two position determination devices 2 are connected with the two position determination devices 2 on the left side of the electric vehicle. The wheels correspond to, or correspond to, the two wheels on the right side of the electric vehicle.

A single lifting device 3 can be used to lift the entire electric vehicle, and multiple lifting devices 3 can also be used to lift and reset. In this embodiment, two lifting devices 3 are provided, which are respectively the front lifting platform 33 and the rear lifting platform 34 , the two lifting devices 3 are used to achieve lifting and reset as an example, but this illustration should not be construed as limiting the protection scope of the present invention.

As shown in Figure 3, take the previous lifting platform 33 as an example, the lifting device 3 includes a lifting platform 31 and a lifting mechanism 32, the platform body 1 is installed on the lifting platform 31, and the lifting mechanism 32 is used to drive the lifting platform 31 moves up and down, so the lifting device 3 can be used to lift the platform body 1, so as to realize the lifting of the electric vehicle. The battery replacement equipment can enter the bottom of the electric vehicle to perform battery replacement operations (ie, remove the battery and install the battery).

3 and 4, in this embodiment, the position determination device 2 corresponding to the left front wheel includes a bottom plate 21, a limiting component and a detection component, the limiting component is located above the bottom plate 21 and is used to determine the position of the wheel. The limiting area on the bottom plate 21 can support the wheel upwards.

The limiting component is used to limit the movement tendency of the wheel in the front-rear direction and/or the movement tendency in the left-right direction. Therefore, a single stop element can realize the determination of the position of the wheel at least in the front-rear direction or the left-right direction, or can realize the complete determination of the position of the wheel on the horizontal plane. By arranging a plurality of wheel position determination devices 2, complete position determination of the electric vehicle on the horizontal plane can be realized.

Specifically in this embodiment, the limiting component includes a front position determining clamping part 22 and a rear position determining clamping part 23 symmetrically arranged on the front and rear sides of the limiting area, and two sets of guiding position determining clamping roller devices 24 , symmetrically arranged on the left and right sides of the limit area. The front position determination clamping part 22 and the rear position determination clamping part 23 are used to limit the front and rear displacement of the wheel to prevent the wheel from rolling forward and backward. The guide position determination clamping roller device 24 can guide the wheel, and the wheel can be guided into the restricted area.

A single limiting component can only be provided with the front position determination clamping part 22 and the rear position determination clamping part 23, or only two sets of guiding position determination clamping roller devices 24 can be provided, or the above four position determination components can be provided at the same time, Those skilled in the art may make adjustments according to actual conditions to meet different requirements for location determination.

The position determination pinch roller devices 24 all include a position determination roller 241 extending along the direction of a predetermined path, and the position determination roller 241 is connected to the bottom plate 21 through a position determination bracket 242 . If the wheel deviates and travels onto the position determining roller 241 , the position determining roller 241 rolls, and the wheel slides down to the preset position along with the rolling of the position determining roller 241 .

As shown in Figure 4, the position-limiting part also includes two guide rollers 25 positioned at the rear side of the pinch roller device 24, and the two guide rollers 25 are arranged in a figure-eight shape and open toward the rear. During the guide process, the wheels and The guide roller 25 has rolling friction, and the two have less friction loss. The guide roller 25 preferably has a longer running surface to guide the wheel over a longer distance.

Referring to Fig. 4 and shown in Fig. 5, the detection part includes a movable block 4 and a sensor, and the movable block 4 of the detection part is located in the limit area, and when the wheel enters the limit area, the movable block 4 is pushed by the wheel from the initial position to the predetermined position. When the position is set, the trigger sensor sends out an electric signal to determine the position. The position determination device 2 can limit the wheel through the limiting component. When the wheel travels to the limiting area, the limiting component can make the wheel move on the bottom plate 21. At the same time, the wheel pushes the movable block 4 to displace from the initial position When the preset position is reached, the trigger sensor sends out an electric signal for determining the position, and the electric signal can timely trigger the power exchange equipment to perform the next power exchange operation, thereby improving the power exchange efficiency. By applying the above-mentioned position determining device, it can be automatically detected that the vehicle has arrived at a predetermined designated position, without relying on manual judgment whether the position of the vehicle is determined, so it has better safety and higher battery exchange efficiency. In addition, the electric signal can notify the driver of the electric vehicle in various forms (light signal, sound signal, etc.), so that the driver knows that the electric vehicle has reached the limited area, thus reducing the difficulty of driving operation.

The movable block 4 can reciprocate between the initial position and the preset position, and the bottom plate 21 is provided with a detection hole 211, the movable block 4 is slidably penetrated through the detection hole 211, and the sensor is located below the bottom plate 21; wherein, when the movable block 4 When in the initial position, the movable block 4 protrudes from the detection hole 211 on the upper surface of the bottom plate 21; when the movable block 4 is in a preset position, the movable block 4 retracts downward into the detection hole 211 and triggers the sensor.

The movable block 4 has a protruding part 41. When the movable block 4 is in the initial position, the protruding part 41 can protrude from the base plate 21 from the detection hole 211. When the wheel travels to the limit area, the wheel pushes the protruding movable block from the base plate 21. 4 reaches the preset position, thereby triggering the sensor. When the movable block 4 is at the preset position, the upper surface of the movable block 4 is flush with the upper surface of the bottom plate 21, or may be slightly higher than the upper surface of the bottom plate 21, so as to ensure that the sensor can be triggered.

The detection component includes an elastic member 8, which is used to provide the movable block 4 with the elastic force required to move toward the initial position. When the wheel moves out of the limiting area, under the action of the elastic member 8, the movable block 4 can automatically move from the preset position to the initial position without manual operation. The elastic member 8 can be a metal spring, an air spring, etc., a rubber spring, etc.

The movable block 4 includes a pressing plate 42 , and one end of the elastic member 8 abuts against the pressing plate 42 . The elastic force of the elastic member 8 acts on the pressing plate 42. Since the pressing plate 42 has a large area, multiple springs can be arranged against the pressing plate 42 to share the load and make the elastic force more stable. In this embodiment, four elastic members 8 are provided in total, respectively acting on the four corners of the pressing plate 42, so that the pressing plate 42 is evenly affected by the elastic force.

The bottom of the base plate 21 is fixed with at least one guide rod 5, the elastic member 8 is sleeved on the outside of the guide rod 5, the end of the guide rod 5 away from the base plate 21 has a limit step 51, one end of the elastic member 8 is against the pressure plate 42, and the other One end leans against the limiting step 51 . The guide rod 5 plays a guiding role for the elastic member 8 and the movable block 4, so that the moving direction of the movable block 4 remains constant. When the movable block 4 is at the initial position, the elastic member 8 may be in a compressed state, so that the movable block 4 can be kept at the initial position. Specifically, the guide rod 5 can be a screw, one end of the screw is threadedly connected to the bottom plate 21, and the head of the screw forms a limit step 51. In this case, the installation of the elastic member 8 is relatively convenient. The degree of tightness can achieve the effect of adjusting the elastic force. Preferably, the screw can be a plug screw, and the section of the plug screw that cooperates with the elastic member 8 is a polished rod, which will not affect the stretching and compression of the spring, and prevent the elastic member 8 from being stuck.

In some other embodiments, a tension spring can also be set between the bottom plate 21 and the pressure plate 42. When the movable block 4 is in a predetermined position, the tension spring can provide elastic force for the movable block 4, so that the movable block 4 can movement towards the initial position.

As a specific embodiment, the bottom of the bottom plate 21 is provided with a mount 6 , the mount 6 has a recess 61 , the pressure plate 42 is partially disposed in the recess 61 , the sensor is fixed to the mount 6 , and the sensor is partially located in the recess 61 . The sensor is fixed on the bottom through the mounting seat 6 to facilitate the installation of the sensor, so that the sensor can be located at an ideal detection position, the recess 61 can guide the pressing plate 42, and at the same time make the structure compact, and the mounting seat 6 and the sensor occupy less space. Prevent interference with other components. In some other embodiments, the mounting seat 6 may not be provided with the concave portion 61, but adopts other structures, and it is only necessary to ensure that a mounting panel is provided under the bottom plate 21, so that the sensor arranged on the mounting panel can be connected with the movable block. 4 to interact, that is, the purpose of monitoring whether the position of the wheel is determined can be achieved.

In this embodiment, the sensor includes a travel switch 7, and when the movable block 4 is at a preset position, the movable block 4 contacts with the travel switch 7. Whether the movable block 4 reaches the preset position is detected by the contact travel switch 7, thereby judging whether the wheel has been limited. In this embodiment, the sensor is a travel switch 7. In other implementations, the sensor can also be a non-contact sensor (such as a photoelectric switch, a proximity switch, etc.), that is, when the sensor is not connected to the movable block 4 or other parts In the case of contact, a corresponding electric signal can also be sent out according to the position change of the movable block 4 .

The travel switch 7 has a plunger portion 71 extending upward, there is a distance between the plunger portion 71 and the bottom surface of the bottom plate 21 , and a part of the movable block 4 is located between the plunger portion 71 and the bottom plate 21 . The movable block 4 can reciprocate in the space between the plunger part 71 and the base plate 21. When the movable block 4 is in the initial position, the travel switch 7 is not in contact with the movable block 4, and the moving range of the movable block 4 should be larger than that of the plunger part. The position of the travel switch 7 at 71 determines the triggering travel of the electric signal. Preferably, the movable block 4 has been in contact with the plunger portion 71 before the movable block 4 reaches the preset position, so as to ensure that the travel switch 7 can be triggered.

Example 2

The technical solution of this embodiment is substantially the same as that of Embodiment 1, except that the sensor in this embodiment is a proximity switch.

Referring to Fig. 4 and Fig. 6, specifically in this embodiment, the detection component includes a movable block 4 and a proximity switch 7, specifically, the proximity switch 7 has a sensor 71, and when the trigger distance of the axial side of the sensor 71 is Occluder appears in the range, then proximity switch 7 sends electric signal. The movable block 4 is located in the limit area. When the wheel enters the limit area, the movable block is pushed by the wheel to move from the initial position to the preset position. When the movable block 4 is in the preset position, the proximity switch 7 The axial side of the sensor is blocked by the movable block 4, and the minimum distance between the movable block 4 and the sensor 71 is less than the triggering distance of the proximity switch 7, so that the proximity switch 7 is triggered and sends a position determination electric signal.

When the wheel enters the limit area, the wheel pushes the movable block to move from the initial position to the preset position, triggering the proximity switch 7 to send a position determination electric signal, which can remind the power station that the vehicle has reached the limit area, so as to trigger the power exchange equipment in time The next step of battery swapping operation is performed, thereby improving the battery swapping efficiency. In addition, the electric signal can notify the driver of the electric vehicle in various forms, so that the driver knows that the electric vehicle has reached the limited area, without manual judgment, which reduces the difficulty of driving operation. Since the proximity switch 7 can be detected in a non-contact manner, it will not wear and damage the detected object, thereby improving the operating life of the position determination device, and the proximity switch has strong water and oil resistance, and can adapt to the more complex power station. working environment.

As shown in FIG. 6 , the bottom of the bottom plate 21 is provided with a mounting base 6 , the mounting base 6 includes a first mounting plate 61 parallel to the displacement direction, and the sensor 71 of the proximity switch 7 is disposed on the first mounting plate 61 . The proximity switch 7 is fixed on the base plate 21 through the mounting base 6, so that the installation of the proximity switch 7 is convenient, so that the proximity switch 7 can be located at an ideal detection position. The first mounting plate 61 is parallel to the displacement direction of the movable block 4. When the movable block 4 moves When passing through the trigger area of the proximity switch on the first installation board 61 , the proximity switch 7 can be triggered.

The sensor 71 of the proximity switch 7 is adjustable and fixed on the first mounting plate 61 along the moving direction of the movable block 4. Even if the installation is caused by processing errors or assembly errors, the actual relative position of the proximity switch 7 and the movable block 4 deviates from the design requirements. It is also possible to ensure that the trigger area of the sensor 71 corresponds to the predetermined position of the movable block 4 by adjusting the position of the proximity switch 7 on the first mounting plate 61, so as to avoid early triggering or failure to trigger due to the position deviation of the proximity switch 7, Ensure the smooth progress of the battery replacement operation. In addition, through this setting method, the processing accuracy requirement of the position determination device is reduced, thereby saving the processing cost and improving the installation efficiency of the position determination device.

The first mounting plate 61 is provided with a first mounting hole 611, the first mounting hole 611 is a waist hole, and the proximity switch 7 passes through the waist hole and is fixed to the first mounting plate, and the extension direction of the waist hole is parallel to that of the movable block. direction of motion. By changing the position of the proximity switch 7 on the waist hole so that the position of the proximity switch 7 matches the position of the movable block 4, it is ensured that the proximity switch 7 can be triggered when the movable block 4 reaches the preset position. Specifically, the proximity switch 7 can be installed in the waist hole through a nut. When installing, the nut should be tightened when the proximity switch is in a proper position.

The mounting seat 6 includes a second mounting plate 62 fixed below the bottom plate 21 . In this embodiment, the first mounting plate 61 and the second mounting plate 62 are integrally arranged in an L shape. As a preferred embodiment, the second mounting plate 62 and the bottom plate 21 can be adjusted and fixed along the direction perpendicular to the movement of the movable block 4 . The mounting seat 6 is fixed on the base plate 21 through the second mounting plate 62 , and the distance between the proximity switch 7 and the movable block 4 can be adjusted by adjusting the position of the second mounting plate 62 on the base plate. If the distance between the proximity switch 7 and the movable block 4 is too close, false triggering easily occurs; Trigger proximity switch 7.

The second mounting plate 62 is provided with a threaded hole 621 , the second mounting plate 62 is mounted on the bottom plate 21 through the threaded hole 621 , and the threaded hole 621 is a waist hole. The screw can fix the second mounting plate 62 to the bottom plate 21 through the threaded hole 621. When the position of the second mounting plate 62 needs to be adjusted, the screw can be loosened, and then the second mounting plate 62 can be moved along the extending direction of the waist hole to In the proper position, tighten the screws to fix the second mounting plate 62 .

The movable block 4 has a protruding part 41. When the movable block 4 is in the initial position, the protruding part 41 can protrude from the base plate 21 from the detection hole 211. When the wheel travels to the limit area, the wheel pushes the protruding movable block from the base plate 21. 4 reaches the preset position, thereby triggering the proximity switch 7. When the movable block 4 is at the preset position, the upper surface of the movable block 4 is flush with the upper surface of the base plate 21, or may be slightly higher than the upper surface of the base plate 21, so that the proximity switch 7 can be triggered.

As a preferred embodiment, the movable block 4 can reciprocate up and down. When the wheel enters the limiting area, the movable block 4 is pushed down to the preset position. Under the action of , move up to the initial position.

In some other embodiments, a tension spring can also be set between the bottom plate 21 and the pressure plate 42. When the movable block 4 is in a predetermined position, the tension spring can provide elastic force for the movable block 4, so that the movable block 4 can move towards Initial position movement.

A shielding plate 43 extending along the displacement direction is connected to the side of the pressing plate 42 , and when the movable block 4 is at a preset position, the shielding plate 43 is located at the axial side of the sensor 71 of the proximity switch 7 . The proximity switch 7 is triggered by the shielding plate 43, and the setting position of the shielding plate 43 can be more flexible, so as to adapt to the installation space of the proximity switch 7 under the base plate and avoid interference between the proximity switch 7 and other components. As a preferred embodiment, the first mounting plate 61 and the shielding plate 43 are parallel to each other, and the structure arrangement is relatively compact, and the moving direction of the shielding plate 43 is also parallel to the first mounting plate 61, so the shielding plate 43 is moving. It is not easy to interfere with the mount 6.

Example 3

The technical solution of this embodiment is substantially the same as that of Embodiment 1, except that the sensor in this embodiment is a photoelectric switch.

Referring to Fig. 4, Fig. 7 and Fig. 8, specifically in this embodiment, the detection component includes a movable block 4 and a photoelectric switch 7, specifically, the photoelectric switch 7 has a photosensitive groove 71, and a light-emitting device is arranged in the photosensitive groove 71. device and the photosensitive device, if there is a blocking object in the photosensitive groove 71, and the light received by the photosensitive device is lower than the threshold, the photoelectric switch 7 will send out an electrical signal. The movable block 4 is located in the limit area. When the wheel enters the limit area, the movable block is pushed by the wheel and displaced from the initial position to the preset position. When the movable block 4 is in the preset position, the light sensor slot 71 is blocked by the movable block 4, so that the photoelectric switch 7 is triggered and sends a position determination electric signal.

When the wheel enters the limit area, the wheel pushes the movable block to move from the initial position to the preset position, and triggers the photoelectric switch 7 to send an electric signal for determining the position. The electric signal can promptly trigger the power exchange equipment to perform the next power exchange operation, thereby improving the power exchange efficiency. In addition, the electric signal can notify the driver of the electric vehicle in various forms, so that the driver knows that the electric vehicle has reached the limited area, without manual judgment, which reduces the difficulty of driving operation. Since the photoelectric switch 7 can be detected in a non-contact manner, it will not wear and damage the detected object, thereby improving the operating life of the position determination device, and the photoelectric switch is not affected by the magnetic field and vibration, and has good electromagnetic compatibility. For the complex electromagnetic environment and vibration environment of the power station, in addition, the photoelectric switch has a fast response speed and high resolution, which can improve the judgment accuracy and judgment speed of the position determination device.

As shown in Figure 7 and Figure 8, the bottom of the bottom plate 21 is provided with a mounting base 6, the mounting base 6 includes a first mounting plate 61 parallel to the displacement direction, and the photosensitive groove 71 of the photoelectric switch 7 is arranged on the first mounting plate 61 . The photoelectric switch 7 is fixed on the base plate 21 by the mounting base 6, so that the installation of the photoelectric switch 7 is convenient, so that the photoelectric switch 7 can be located at an ideal detection position, and the first mounting plate 61 is parallel to the displacement direction of the movable block 4, ensuring the photoelectric switch 7. The photosensitive slot 71 can be blocked as much as possible to ensure that the photoelectric switch is triggered. When the movable block 4 moves past the photosensitive slot 71, the photoelectric switch 7 can be triggered.

The photoelectric switch 7 is adjustable and fixed on the first mounting plate 61 along the moving direction of the movable block 4 . The angle is also adjustable. Even if the actual relative position of the mounting seat 6 and the movable block 4 deviates from the design requirements due to processing errors or assembly errors, the position of the photosensitive groove 71 and the movable block 4 can be adjusted by adjusting the position of the photoelectric switch 7 on the first mounting plate 61. Corresponding to the preset position of the photoelectric switch 7, avoiding early triggering or failure to trigger due to the position deviation of the photoelectric switch 7, and ensuring the smooth progress of the battery replacement operation. In addition, by making the angle of the photosensitive groove 71 adjustable, the extending direction of the photosensitive groove 71 can be aligned with the moving direction of the movable block 4, which also plays a role in compensating for processing errors and assembly errors. Through this setting method, the processing accuracy requirement of the position determination device is reduced, thereby saving the processing cost and improving the installation efficiency of the position determination device.

The first mounting plate 61 is provided with a first mounting hole 611, the first mounting hole 611 is a waist hole, the photoelectric switch 7 passes through the waist hole and is fixed to the first mounting plate, and the extension direction of the waist hole is parallel to the direction of the movable block. direction of motion. By changing the position of the photoelectric switch 7 on the waist hole, the position of the photoelectric switch 7 is adapted to the position of the movable block 4 to ensure that the photoelectric switch 7 can be triggered when the movable block 4 reaches the preset position. Specifically, the photoelectric switch 7 can be installed in the waist hole through fastening screws. When installing, the fastening screws 9 should be locked when the photoelectric switch 7 is in a proper position. Because the width of the first mounting hole 611 is wide, the photoelectric switch 7 can utilize the gap between the first mounting hole 611 and the fastening screw 9 to move in translation along the direction of motion perpendicular to the movable block, and the two fastening screws 9 It can also be staggered along the moving direction of the movable block 4 (that is, staggered up and down), so as to realize the rotation of the photoelectric switch 7 to adjust the angle of the photosensitive slot 71 .

Further, the first mounting plate 61 has two parallel first mounting holes 611, and two fastening screws respectively cooperate with the two first mounting holes to fix the photoelectric switch. The diameter of the fastening screws is less than The width of the first mounting hole.

The mounting base 6 includes a second mounting plate 62 fixed below the base plate 21 . As a preferred embodiment, the second mounting plate 62 and the base plate 21 are adjustable and fixed along the direction perpendicular to the movement of the movable block 4 . The mounting seat 6 is fixed on the base plate 21 through the second mounting plate 62 , and the distance between the photoelectric switch 7 and the movable block 4 can be adjusted by adjusting the position of the second mounting plate 62 on the base plate. If the distance between the photoelectric switch 7 and the movable block 4 is too close, it is easy to interfere; 4 does not enter in the photosensitive slot 71 either.

The movable block 4 has a protruding part 41. When the movable block 4 is in the initial position, the protruding part 41 can protrude from the base plate 21 from the detection hole 211. When the wheel travels to the limit area, the wheel pushes the protruding movable block from the base plate 21. 4 reaches the preset position, thereby triggering the photoelectric switch 7. When the movable block 4 is at the preset position, the upper surface of the movable block 4 is flush with the upper surface of the base plate 21, or may be slightly higher than the upper surface of the base plate 21, so that the photoelectric switch 7 can be triggered.

In some other embodiments, a tension spring can also be set between the bottom plate 21 and the pressure plate 42. When the movable block 4 is at a preset position, the tension spring can provide elastic force for the movable block 4, so that the movable block 4 can move towards Initial position movement.

The edge of the pressing plate 42 is connected with a shielding plate 43 extending along the displacement direction. When the movable block 4 is at a preset position, the shielding plate 43 is located in the photosensitive slot 71 of the photoelectric switch 7 . Utilize shielding plate 43 to trigger photoelectric switch 7, the setting position of shielding plate 43 can be more flexible, to adapt to the installation space of photoelectric switch 7 below the base plate, avoid photoelectric switch 7 to interfere with other components. As a preferred embodiment, the first mounting plate 61 and the shielding plate 43 are parallel to each other, and the structure arrangement is relatively compact, and the moving direction of the shielding plate 43 is also parallel to the first mounting plate 61, so the shielding plate 43 is moving. It is not easy to interfere with the mount 6.

In this embodiment, a third mounting plate 63 is also arranged between the first mounting plate 61 and the second mounting plate 62, the first mounting plate 61 is perpendicular to the third mounting plate 63, and the second mounting plate 62 is also perpendicular to the third mounting plate 62. The mounting plate 63 is vertical, and the third mounting plate 63 makes the position of the photoelectric switch 7 on the first mounting plate 61 correspond to the position of the shielding plate 43 .

Although the specific implementations of the present invention have been described above, those skilled in the art should understand that these are only examples, and various changes or changes can be made to these implementations without departing from the principle and essence of the present invention. Revise. Accordingly, the protection scope of the present invention is defined by the appended claims.

Claims

A position determining device, characterized in that the position determining device comprises:

floor;

a limiting component, the limiting component is located above the bottom plate and is used to determine the position of the wheel on the limiting area on the bottom plate, the limiting area is configured to be able to support the wheel upward;

The detection part includes a movable block and a sensor. The movable block of the detection part is located in the limit area, and when the wheel enters the limit area, the movable block is pushed by the wheel and displaced from the initial position to The preset position triggers the sensor to send an electrical signal for position determination.
The position determining device according to claim 1, wherein the sensor is a proximity switch, and when the movable block is at the preset position, the axial side of the sensor of the proximity switch is moved by the The movable block is blocked, and the minimum distance between the movable block and the sensor is smaller than the triggering distance of the proximity switch, so that the proximity switch is triggered and sends out a position determination electric signal.
The position determination device according to claim 1, wherein the sensor is a photoelectric switch, and the photoelectric switch has a photosensitive slot extending along the displacement direction of the movable block, when the movable block is in the At the preset position, the movable block is partially located in the light sensing slot, so that the photoelectric switch is triggered and sends out an electrical signal for position determination.
The position determining device according to any one of claims 1, 2 and 3, wherein the movable block can reciprocate between the initial position and the preset position, the bottom plate is provided with a detection hole, and the movable block A block is slidably passed through the detection hole, and the sensor is located under the bottom plate;

Wherein, when the movable block is at the initial position, the movable block protrudes from the detection hole on the upper surface of the bottom plate; when the movable block is at the preset position, the movable block is downward Retracts into the detection hole and triggers the sensor.
The position determining device according to any one of claims 1, 2, 3 and 4, characterized in that, the detection part includes an elastic member, and the elastic member is used to provide the movable block with a movement toward the initial position required elasticity.
The position determining device according to claim 5, wherein the movable block includes a pressing plate, and one end of the elastic member is against the pressing plate.
The position determination device according to claim 6, wherein at least one guide rod is fixed on the lower part of the bottom plate, the elastic member is sleeved on the outside of the guide rod, and the end of the guide rod is far away from the bottom plate The part has a limit step, and one end of the elastic member abuts against the pressure plate, and the other end abuts against the limit step.
The position determining device according to any one of claims 6 and 7, characterized in that, the bottom of the bottom plate is provided with a mounting seat, the mounting seat has a recess, and the pressure plate part is arranged in the recess, the The sensor is fixed on the mounting seat, and the sensor part is located in the recess.
The position determining device according to any one of claims 1, 4-8, characterized in that the sensor includes a travel switch, and when the movable block is at the preset position, the movable block and the travel Switch contacts.
The position determining device according to claim 9, wherein the limit switch has a plunger portion extending upward, there is a distance between the plunger portion and the bottom surface of the bottom plate, and a part of the movable block Located between the plunger portion and the bottom plate.
The position determination device according to any one of claims 2, 4-7, characterized in that,

A mounting seat is provided on the bottom of the bottom plate, and the mounting seat includes a first mounting plate parallel to the displacement direction, and the sensor of the proximity switch is arranged on the first mounting plate.
The position determining device according to claim 11, wherein the sensor of the proximity switch is fixed on the first mounting plate so as to be adjustable along the moving direction of the movable block.
The position determining device according to claim 12, wherein the first mounting plate is provided with a first mounting hole, the first mounting hole is a waist hole, and the proximity switch passes through the waist hole and the The first mounting plate is fixed, and the extending direction of the waist hole is parallel to the moving direction of the movable block.
The position determining device according to claim 11, wherein the mounting base comprises a second mounting plate, the second mounting plate is fixed below the bottom plate, and the second mounting plate is along with the bottom plate The moving direction perpendicular to the movable block can be adjusted and fixed.
The position determination device according to claim 14, wherein the second mounting plate is provided with a threaded through hole, the second mounting plate is installed on the bottom plate through the threaded through hole, and the threaded through hole The hole is the waist hole.
The position determination device according to any one of claims 2, 4-7, 11-14, characterized in that, the movable block includes a baffle plate extending along the displacement direction, when the movable block is in the preset position , the shielding plate is located at the axial side of the sensing part of the proximity switch.
The position determination device according to claim 16, wherein a mounting seat is provided on the bottom of the bottom plate, and the mounting seat includes a first mounting plate parallel to the displacement direction, and the first mounting plate is provided with There is a first installation hole, the sensor of the proximity switch is passed through the first installation hole, and the first installation plate is parallel to the shielding plate.
The position determining device according to any one of claims 3, 4-7, characterized in that, the bottom of the bottom plate is provided with a mounting seat, and the mounting seat includes a first mounting plate parallel to the displacement direction, so The photoelectric switch is arranged on the first mounting board.
The position determining device according to claim 18, characterized in that, the photoelectric switch is adjustable and fixed on the first mounting plate along the moving direction of the movable block, and/or, the photosensitive slot The angle between the extending direction and the moving direction of the movable block is adjustable.
The position determining device according to claim 19, wherein the first mounting plate is provided with a first mounting hole, the first mounting hole is a waist hole, and the photoelectric switch communicates with the The first mounting plate is fixed, and the extending direction of the waist hole is parallel to the moving direction of the movable block.
The position determining device according to claim 20, wherein the first mounting plate has two parallel first mounting holes, and two fastening screws respectively cooperate with the two first mounting holes to To fix the photoelectric switch, the diameter of the fastening screw is smaller than the width of the first mounting hole.
The position determining device according to claim 18, characterized in that, the mounting seat comprises a second mounting plate, the second mounting plate is fixed below the bottom plate, and the second mounting plate is along with the bottom plate The moving direction perpendicular to the movable block can be adjusted and fixed.
The position determination device according to claim 22, wherein the second mounting plate is provided with a threaded through hole, the second mounting plate is installed on the bottom plate through the threaded through hole, and the threaded through hole The hole is the waist hole.
The position determining device according to any one of claims 3, 4-7, 18-23, characterized in that, the movable block includes a baffle plate extending along the displacement direction, when the movable block is at the preset position , the shielding plate is located in the photosensitive groove.
The position determination device according to claim 24, characterized in that, the bottom of the bottom plate is provided with a mounting seat, the mounting seat includes a first mounting plate parallel to the displacement direction, and the photoelectric switch is arranged on the On the first mounting plate, the first mounting plate is perpendicular to the shielding plate.
The position determining device according to any one of claims 1-25, characterized in that the limiting component comprises:

The front position determining clamping part and the rear position determining clamping part are arranged symmetrically on the front and rear sides of the limiting area;

and / or

The guide position determines the pinch roller device, which has two groups, which are arranged symmetrically on the left and right sides of the limiting area.
A vehicle-mounted platform, characterized in that it comprises the position determining device according to any one of claims 1-26.
A power exchange station, characterized in that it comprises a vehicle power exchange mechanism and a vehicle-carrying platform as claimed in claim 27 .