Portable vehicle-mounted data display

Abstract

The utility model discloses a portable vehicle-mounted data display, which is arranged on a vehicle, is used for detecting the driving state of the vehicle, and comprises a waterproof shell, a display mechanism and a magnetic attraction bracket, the waterproof shell is arranged on the magnetic attraction support, the magnetic attraction support is detachably arranged on a vehicle, and an anti-reflection lampshade is detachably arranged on one side of the waterproof shell. The display mechanism is arranged in the waterproof shell and connected with the anti-reflection lampshade so that reflection of light can be reduced through the anti-reflection lampshade. The portable vehicle-mounted data display is adsorbed and fixed on a vehicle through the magnetic bracket so as to ensure that the portable vehicle-mounted data display is kept stable in the vehicle driving process, and the mounting and dismounting processes are quick and convenient. In addition, the waterproof shell can effectively prevent rainwater from invading, and the service life of the device is prolonged. And the lampshade can also clearly display data in a severe light environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vehicle-mounted equipment more particularly, relate to a portable vehicle-mounted data display. BACKGROUND

[0002] In the practical application scene of testing or detecting a vehicle, it is often necessary to display the instant data (such as instant speed value, distance value, acceleration value and current time, etc.) of the vehicle in real time, so as to accurately compare the driving state of the vehicle with the corresponding time, speed and other key data through the shooting mode. This requirement is particularly important in the fields of traffic law enforcement, vehicle performance testing, traffic flow research, etc.

[0003] However, the conventional display has many shortcomings in actual use, mainly in the following aspects: first, the digital size of the display is often smaller than the digital size of the license plate, which cannot meet the clarity requirements of long-distance shooting; second, the refresh rate of the existing equipment is generally low, usually lower than 1KHz, which cannot match the working requirements of most traffic snapshot cameras (whose shutter speed is generally about 1 / 1000 second), resulting in missing or blurred display data in the snapshot image; third, the brightness adjustment function of the equipment is imperfect, especially when used in poor light environments, the visibility and clarity of the display content are severely limited; fourth, the waterproof performance is poor, many devices cannot work normally in bad weather conditions such as rain, affecting their outdoor applicability; fifth, the installation method of the existing display equipment is relatively complicated, usually screws or fixed hooks are needed, which not only increases the installation time, but also limits the possibility of quick switching between different vehicles.

[0004] Therefore, there is an urgent need for a vehicle-mounted data display that is easy to install, has excellent waterproof performance and can clearly display data content in poor light environments. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a portable vehicle-mounted data display. The portable vehicle-mounted data display provided by the utility model has the advantages of easy installation, excellent waterproof performance and clear display of data content in poor light environments, through the setting of the magnetic support, the display mechanism and the anti-glare lampshade.

[0006] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0007] A portable vehicle-mounted data display is arranged on a vehicle for detecting the driving state of the vehicle, which comprises a waterproof shell, a display mechanism and a magnetic support.

[0008] The waterproof shell is arranged on the magnetic support which is detachably arranged on the vehicle, and one side of the waterproof shell is detachably provided with an anti-reflection lamp cover, the display mechanism is arranged in the waterproof shell and connected with the anti-reflection lamp cover to reduce the reflection of light through the anti-reflection lamp cover.

[0009] Preferably, the display mechanism comprises a lamp panel and a high-frequency power supply.

[0010] The lamp panel and the high-frequency power supply are both arranged in the waterproof shell, the lamp panel is electrically connected with the high-frequency power supply, and the lamp panel is detachably connected with the anti-reflection lamp cover.

[0011] Preferably, the high-frequency power supply comprises a PWM circuit with an output frequency not less than 40KHz, and the lamp panel comprises a plurality of LED lamp beads, and the plurality of LED lamp beads are all electrically connected with the PWM circuit.

[0012] Preferably, the anti-reflection lamp cover comprises a waterproof connecting cover body, an anti-reflection layer and a transparent plate.

[0013] The transparent plate is fixedly connected with the waterproof connecting cover body, the anti-reflection layer is fixedly arranged on the transparent plate, the waterproof connecting cover body is detachably arranged on the waterproof shell, and one side of the waterproof connecting cover body is connected with the lamp panel.

[0014] Preferably, the anti-reflection layer comprises a frosted light transmission film or an anti-reflection AR coating film.

[0015] Preferably, the magnetic support comprises a mounting frame and a pair of magnetic supporting legs.

[0016] The pair of magnetic supporting legs are all fixedly connected with the mounting frame, the magnetic supporting legs can be magnetically connected with the vehicle, and the mounting frame is detachably connected with the waterproof shell.

[0017] Preferably, the magnetic supporting leg comprises a connecting bracket and a rubber-coated strong magnetic suction disc, one end of the connecting bracket is fixedly connected with the mounting frame, and the other end of the connecting bracket is connected with the rubber-coated strong magnetic suction disc.

[0018] The rubber-coated strong magnetic suction disc comprises a rubber body and a magnet, the rubber body is fixedly arranged on the connecting bracket, an installation groove for installing the magnet is formed in the rubber body, and the magnet is clamped and installed in the installation groove.

[0019] Preferably, the portable vehicle-mounted data display further comprises a GNSS antenna, and the GNSS antenna is arranged in the waterproof shell to receive positioning data of the vehicle.

[0020] Preferably, the waterproof shell comprises an upper shell and a lower shell, and the upper shell and the lower shell are detachably and sealingly connected.

[0021] The portable vehicle-mounted data display has the advantages that:

[0022] The portable vehicle-mounted data display is stably adsorbed on a vehicle through the magnetic support, and the installation and dismounting process is convenient and fast. The waterproof shell enables the portable vehicle-mounted data display to be used in bad weather with moisture and rain, prevents rainwater from entering, and avoids the electronic devices in the portable vehicle-mounted data display from being eroded and damaged by rainwater. Further, the anti-reflection lamp cover arranged on one side of the waterproof shell enables the portable vehicle-mounted data display to clearly display in a bad light environment with strong light direct radiation.

[0023] Further, the setting of the PWM circuit in the portable vehicle-mounted data display not only enables the light-emitting of the lamp panel to be driven, but also enables the brightness to be dynamically adjusted to adapt to different ambient light conditions, so that the portable vehicle-mounted data display better adapts to different light environments. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a whole structure schematic view of the portable vehicle-mounted data display of the utility model;

[0025] Figure 2 is a structure schematic view of the waterproof shell of the portable vehicle-mounted data display of the utility model;

[0026] Figure 3 is a structure schematic view of the anti-reflection lamp cover of the portable vehicle-mounted data display in the utility model;

[0027] Figure 4 is a structure schematic view of the lamp panel of the portable vehicle-mounted data display in the utility model;

[0028] Figure 5 is a structure schematic view of the magnetic support of the portable vehicle-mounted data display in the utility model.

[0029] BRIEF DESCRIPTION OF DRAWINGS

[0030] 1, waterproof shell; 11, upper shell; 12, lower shell; 13, waterproof connecting cover; 14, transparent plate;

[0031] 2, display mechanism; 21, lamp panel;

[0032] 3, magnetic support; 31, mounting frame; 32, magnetic support leg. DETAILED DESCRIPTION

[0033] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details set forth in this description. In other instances, well-known methods, procedures, components, and circuits have not been described in detail so as not to unnecessarily obscure aspects of the present application.

[0034] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the specification of the present application herein is only for the purpose of describing specific embodiments and is not intended to limit the present application.

[0036] As shown in Figure 1 A portable vehicle-mounted data display is arranged on a vehicle for detecting the driving state of the vehicle, which comprises a waterproof shell 1, a display mechanism 2 and a magnetic support 3. The waterproof shell 1 is arranged on the magnetic support 3, the magnetic support 3 is detachably arranged on the vehicle, and one side of the waterproof shell 1 is detachably provided with an anti-glare lampshade. The display mechanism 2 is arranged in the waterproof shell 1 and connected with the anti-glare lampshade to reduce the reflection of light through the anti-glare lampshade.

[0037] In this embodiment, the portable vehicle-mounted data display can be stably adsorbed on the vehicle through the arrangement of the magnetic support 3, and the installation and disassembly process is convenient and fast. The arrangement of the waterproof shell 1 enables the portable vehicle-mounted data display to be used in bad weather with moisture and rain, avoiding the damage of the electronic devices in the portable vehicle-mounted data display caused by rain erosion. Further, the anti-glare lampshade arranged on one side of the waterproof shell 1 enables the portable vehicle-mounted data display to clearly display in the harsh light environment such as strong light direct irradiation.

[0038] Referring to Figure 2The display mechanism 2 comprises a lamp panel 21 and a high-frequency power supply; the lamp panel 21 and the high-frequency power supply are arranged in the waterproof shell 1, the lamp panel 21 is electrically connected with the high-frequency power supply, and the lamp panel 21 is detachably connected with the anti-glare lampshade. The high-frequency power supply comprises a PWM circuit with an output frequency of not less than 40KHz, and the lamp panel 21 comprises a plurality of LED lamp beads, and the plurality of LED lamp beads are electrically connected with the PWM circuit.

[0039] In this embodiment, the lamp panel 21 of the portable vehicle-mounted data display is connected with the data acquisition host to receive and display the real-time data of the vehicle in real time, the lamp panel 21 is spliced into a digital unit by a plurality of LED lamp beads to display different data of the vehicle, and the setting of the PWM circuit further realizes the high refresh rate and brightness adjustment function of the lamp panel 21, so that the lamp panel 21 can timely change the displayed vehicle data and timely adjust the brightness of the LED lamp beads according to the change of the external light environment. In a preferred embodiment, the high-frequency power supply is preferably a PWM circuit with an output frequency of 40KHz.

[0040] As shown in Figure 3 , the anti-glare lampshade comprises a waterproof connecting cover body 13, an anti-glare layer and a transparent plate 14; the transparent plate 14 is fixedly connected with the waterproof connecting cover body 13, the anti-glare layer is fixedly arranged on the transparent plate 14, and the waterproof connecting cover body 13 is detachably arranged on the waterproof shell 1 and connected with the lamp panel 21 on one side. The anti-glare layer comprises a frosted light transmission film or an anti-glare AR coating film.

[0041] In this embodiment, the waterproof connecting cover body 13 is detachably and sealingly connected with the waterproof shell 1 to prevent external liquid from entering the anti-glare lampshade, thereby effectively protecting the lamp panel 21 and the PWM circuit in the cover body. Moreover, the setting of the anti-glare layer can effectively reduce the reflection of external light when the light irradiates on the portable vehicle-mounted data display, so that the data displayed by the lamp panel 21 of the portable vehicle-mounted data display is clearer and more explicit. In a preferred embodiment, the anti-glare layer is preferably a frosted light transmission film, which is fixedly attached to the transparent plate 14. The frosted light transmission film can effectively reduce light reflection and improve display contrast.

[0042] Referring to Figure 4 , the magnetic support 3 comprises a mounting frame 31 and a pair of magnetic supporting legs 32; the pair of magnetic supporting legs 32 are fixedly connected with the mounting frame 31, and the magnetic supporting legs 32 can be magnetically connected with the vehicle; the mounting frame 31 is detachably connected with the waterproof shell 1. The magnetic supporting leg 32 comprises a connecting bracket and a rubber-coated strong magnetic suction disc; one end of the connecting bracket is fixedly connected with the mounting frame 31, and the other end of the connecting bracket is connected with the rubber-coated strong magnetic suction disc; the rubber-coated strong magnetic suction disc comprises a rubber body and a magnet; the rubber body is fixedly arranged on the connecting bracket, the rubber body is provided with a mounting groove for mounting the magnet, and the magnet is snap-fitted in the mounting groove.

[0043] In this embodiment, the portable vehicle-mounted data display is firmly adsorbed to the top of the vehicle through the setting of the encapsulated strong magnetic suction disc, ensuring the stability of the portable vehicle-mounted data display during the driving process of the vehicle. Moreover, the setting of the encapsulated strong magnetic suction disc not only provides sufficient adsorption force for the display, but also facilitates the disassembly and installation of the display, so that it can be quickly installed and disassembled during different vehicle tests. Further, the setting of the magnetic suction bracket 3 avoids the situation that the traditional vacuum suction disc is easily affected by external environmental factors, resulting in loose connection, ensuring the safety of the display. In an embodiment, the magnetic suction bracket 3 includes two pairs of magnetic suction legs 32, so that the portable vehicle-mounted data display can be stably and firmly adsorbed to the top of the vehicle even during the driving process.

[0044] In a preferred embodiment, the portable vehicle-mounted data display further includes a GNSS antenna, which is arranged in the waterproof shell 1 to receive the positioning data of the vehicle. The waterproof shell 1 includes an upper shell 11 and a lower shell 12, which are detachably and sealingly connected. In this embodiment, sealing rings are arranged at the connection of the upper shell 11 and the lower shell 12 to achieve waterproof sealing. Moreover, the setting of the GNSS antenna enables it to receive real-time positioning data through satellite signals, providing accurate speed and position reference for vehicle data display, reducing the connection requirement of external equipment, and further enhancing the stability and reliability of the system.

[0045] After the portable vehicle-mounted data display is powered on, the data acquisition host transmits the instant data of the vehicle to the lamp panel 21. After receiving the data, the lamp panel 21 displays the data in digital form on the screen in real time. The PWM circuit not only drives the LED lamp beads to emit light, but also dynamically adjusts the brightness of the LED lamp beads to adapt to different ambient light conditions. At the same time, the built-in GNSS antenna receives accurate speed and position information through satellite signals, further improving the reliability and accuracy of the data. The magnetic suction bracket 3 is adsorbed and fixed on the top of the vehicle, and the strong magnetic structure ensures that the display remains stable during the driving process of the vehicle, and the installation and disassembly process is quick and convenient. The waterproof shell 1 and the lampshade structure further prevent rainwater from entering.

[0046] The technical features of the above embodiments can be combined in any way. In order to make the description concise, not all possible combinations of the technical features in the above embodiments are described, but as long as the combinations of the technical features do not exist, they should be considered as the scope of the present disclosure.

[0047] The above embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A portable vehicle data display, wherein the portable vehicle data display is installed on a vehicle for detecting the vehicle's driving status, characterized in that, The portable vehicle data display includes: a waterproof housing, a display mechanism, and a magnetic bracket; The waterproof housing is mounted on the magnetic bracket, which is detachably mounted on the vehicle. An anti-reflective lampshade is detachably mounted on one side of the waterproof housing. The display mechanism is located inside the waterproof housing and is connected to the anti-reflective lampshade to reduce light reflection.

2. The portable vehicle data display according to claim 1, characterized in that, The display mechanism includes a lamp panel and a high-frequency power supply; Both the lamp panel and the high-frequency power supply are housed within the waterproof housing. The lamp panel is electrically connected to the high-frequency power supply, and the lamp panel is detachably connected to the anti-reflective lamp cover.

3. The portable vehicle data display according to claim 2, characterized in that, The high-frequency power supply includes a PWM circuit with an output frequency of not less than 40KHz, and the lamp board includes multiple LED beads, all of which are electrically connected to the PWM circuit.

4. The portable vehicle data display according to claim 2, characterized in that, The anti-reflective lamp cover includes a waterproof connecting cover, an anti-reflective layer, and a transparent plate; The transparent plate is fixedly connected to the waterproof connecting cover, the anti-reflective layer is fixedly disposed on the transparent plate, the waterproof connecting cover is detachably disposed on the waterproof housing, and one side of the waterproof connecting cover is connected to the lamp panel.

5. The portable vehicle data display according to claim 4, characterized in that, The anti-reflective layer includes a frosted light-transmitting film or an anti-reflective AR coating.

6. The portable vehicle-mounted data display according to claim 1, characterized in that, The magnetic bracket includes a mounting frame and a pair of magnetic feet; The paired magnetic feet are fixedly connected to the mounting bracket, the magnetic feet can magnetically connect to the vehicle, and the mounting bracket is detachably connected to the waterproof housing.

7. The portable vehicle data display according to claim 6, characterized in that, The magnetic support foot includes a connecting bracket and a rubber-coated strong magnetic chuck. One end of the connecting bracket is fixedly connected to the mounting bracket, and the other end of the connecting bracket is connected to the rubber-coated strong magnetic chuck. The rubber-coated strong magnetic chuck includes a rubber body and a magnet. The rubber body is fixedly mounted on the connecting bracket. The rubber body has a mounting groove for mounting the magnet, and the magnet is snapped into the mounting groove.

8. The portable vehicle data display according to claim 1, characterized in that, The portable vehicle data display also includes a GNSS antenna, which is disposed within the waterproof housing to receive vehicle positioning data.

9. The portable vehicle data display according to claim 1, characterized in that, The waterproof housing includes an upper housing and a lower housing, both of which are detachably and sealed together.

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