阅读说明：本技术 一种无变速箱车辆速度检测及显示系统 (Speed detection and display system for vehicle without gearbox ) 是由 于秀福 于 2019-04-18 设计创作，主要内容包括：本发明公开了一种变速箱车辆速度检测及显示系统,旨在提供一种具有零速检测、精度高、安装方便、适应性强、抗干扰能力强的优点,其技术方案要点是,一种无变速箱车辆速度检测及显示系统,包括车辆检测模块与速度里程显示模块,车辆检测模块与速度里程显示模块电连接,车辆检测模块包括测速齿轮、霍尔式车速传感器以及固定夹具,测速齿轮上套设有车轮轴,车轮轴与测速齿轮之间设有定位键,固定夹具包括上挡板与下挡板,上挡板与下挡板固定连接,下挡板上设有与其平行连接的螺纹过孔,霍尔式车速传感器与螺纹过孔螺纹连接,速度里程显示模块为集成式车速仪表。此机构运作起来实现了零速检测、精度高、安装方便、适应性强、抗干扰能力强的好处。(The invention discloses a speed detecting and displaying system for a gearbox vehicle, aiming at providing a system which has the advantages of zero speed detection, high precision, convenient installation, strong adaptability and strong anti-interference capability, the technical scheme is that, a no gearbox vehicle speed detects and display system, including vehicle detection module and speedometer display module, vehicle detection module is connected with speedometer display module electricity, vehicle detection module is including the gear that tests the speed, hall formula speed sensor and mounting fixture, the cover is equipped with the axletree on the gear that tests the speed, be equipped with the navigation key between axletree and the gear that tests the speed, mounting fixture includes overhead gage and lower baffle, overhead gage and lower baffle fixed connection, be equipped with the screw thread via hole rather than parallel connection on the lower baffle, hall formula speed sensor and screw thread via hole threaded connection, speedometer display module is integrated form speedometer. The mechanism operates to realize the advantages of zero-speed detection, high precision, convenient installation, strong adaptability and strong anti-interference capability.)

1. The utility model provides a no gearbox vehicle speed detects and display system, includes vehicle detection module and speed mileage display module, its characterized in that: the vehicle detection module is electrically connected with the speedometer display module, the vehicle detection module comprises a speed measurement gear (1), a Hall type vehicle speed sensor (2) and a fixing clamp (3), a wheel axle (4) is sleeved on the speed measurement gear (1), a positioning key (11) is arranged between the wheel axle (4) and the speed measurement gear (1) and used for positioning the wheel axle (4) and the speed measurement gear (1), the fixing clamp (3) comprises an upper baffle plate (31) and a lower baffle plate (32), the upper baffle plate (31) is fixedly connected with the lower baffle plate (32), a plurality of positioning screw holes (34) which are connected with the upper baffle plate in parallel are respectively arranged on the upper baffle plate (31) and used for fixing a vehicle chassis or other stable objects, a threaded through hole (35) which is connected with the lower baffle plate in parallel is arranged on the lower baffle plate (32), and the Hall type vehicle speed sensor (2) is in threaded connection with the threaded through, the speed and mileage display module is an integrated vehicle speed instrument (5) and is used for converting pulse signals output by the sensor into other signals through signal processing so as to drive the instrument to display current vehicle speed and mileage information.

2. The gearless vehicle speed detection and display system of claim 1, wherein: a threaded rod (33) in threaded connection with the upper baffle plate (31) is arranged between the upper baffle plate (31) and the lower baffle plate (32) and used for locking the upper baffle plate (31) and the lower baffle plate (32).

3. The gearless vehicle speed detection and display system of claim 1, wherein: the lower baffle plate (32) is divided into a first sleeve plate (36) and a second sleeve plate (361), a sliding plate (362) which is connected with the first sleeve plate in a sliding mode is arranged in the first sleeve plate (36), one end of the sliding plate (362) is connected with the first sleeve plate (36) in a sliding mode, and the other end of the sliding plate (362) is fixedly connected with the second sleeve plate (361).

4. A gearless vehicle speed detection and display system according to claim 3, wherein: and a driving air cylinder (363) fixedly connected with the first sleeve plate (36) is arranged in the first sleeve plate, and an output shaft of the driving air cylinder (363) is fixedly connected with the sliding plate (362) and used for driving the first sleeve plate (36) to move.

5. The gearless vehicle speed detection and display system of claim 4, wherein: and two sides of the driving cylinder (363) are respectively provided with an expansion link (364) fixedly connected with the first sleeve plate (36), one end of the expansion link (364) is fixedly connected with the first sleeve plate (36), and the other end of the expansion link (364) is fixedly connected with the sliding plate (362).

6. The gearless vehicle speed detection and display system of claim 5, wherein: the telescopic rod (364) is divided into a first sleeve (365) and a second sleeve (366), the second sleeve (366) is connected in the first sleeve (365) in a sliding mode, the first sleeve (365) is fixedly connected with the first sleeve plate (36), the second sleeve (366) is fixedly connected with the sliding plate (362), a plurality of clamping grooves (367) which are connected with the first sleeve (365) in parallel are respectively arranged on the first sleeve (365), and a reset button (368) matched with the clamping grooves (367) is arranged on the second sleeve (366).

7. The gearless vehicle speed detection and display system of claim 1, wherein: the Hall type vehicle speed sensor (2) is provided with a thread strip (6) for conveniently clamping the Hall type vehicle speed sensor (2) on the lower baffle (32).

Technical Field

The invention relates to the technical field of automobiles, in particular to a speed detection and display system for a vehicle without a gearbox.

Background

With the increasing market demand, some gearless vehicles (such as mine transport vehicles, bulldozers and other engineering vehicles) need to perform speed detection display to confirm the current driving state of the vehicle, and at present, most gearless vehicles in the market do not perform speed detection due to low running speed; some gearless vehicles for speed detection mostly adopt a magnetoelectric rotating speed sensor for measurement, and the induction capability of the magnetoelectric coil on the potential change of the coil caused by the rotation of the gear is greatly reduced at low speed (for example, the vehicle speed is 0-5km/h), even the condition that a vehicle speed signal cannot be detected occurs, so that the configuration of a speed measurement system of the gearless vehicle is similar to a nominal one, and the significance is not great for engineering machinery vehicles running at low speed for a long time.

Disclosure of Invention

The invention aims to provide a speed detection and display system for a vehicle without a gearbox, which has the advantages of zero-speed detection, high precision, convenience in installation, strong adaptability and strong anti-interference capability.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a no gearbox vehicle speed detects and display system, including vehicle detection module and velocity mileage display module, vehicle detection module and velocity mileage display module electricity are connected, vehicle detection module includes speed measuring gear, hall formula speed sensor and mounting fixture, the cover is equipped with the axletree on the speed measuring gear, be equipped with the navigation key between axletree and the speed measuring gear, be used for the location to axletree and speed measuring gear, mounting fixture includes overhead gage and lower baffle, overhead gage and lower baffle fixed connection, be equipped with a plurality of respectively on the overhead gage rather than parallel connection's location screw, be used for with vehicle chassis or other steady object phase stationary, be equipped with the screw via hole rather than parallel connection on the lower baffle, hall formula speed sensor and screw via hole threaded connection, velocity mileage display module is integrated form speed meter, be used for converting the pulse signal of sensor output into other signals through signal processing and drive the instrument and show current speed of a motor vehicle and mileage information.

Through adopting above-mentioned technical scheme, people place hall formula vehicle speed sensor on rather than the screw thread via hole on the lower baffle of threaded connection, guarantee hall formula vehicle speed sensor's probe just to gear tooth top middle part that tests the speed, and leave a determining deviation, whole device fixed mounting is after good, hall formula vehicle speed sensor is connected with the speed instrument, the speed instrument direct power supply, hall formula vehicle speed sensor will detect signal transmission back to in the instrument, with this realization zero-speed detection, the precision is high, simple to operate, strong adaptability, the strong benefit of interference killing feature. The upper baffle plate can be locked on the vehicle chassis through the positioning screw hole on the upper baffle plate. The wheel shaft can be utilized to drive the speed measuring gear to rotate, and meanwhile, the speed measuring gear can be fixed on the wheel shaft through the positioning key and cannot easily fall off.

Further setting: a threaded rod in threaded connection with the upper baffle plate is arranged between the upper baffle plate and the lower baffle plate and used for locking the upper baffle plate and the lower baffle plate.

Through adopting above-mentioned technical scheme, can lock overhead gage and lower baffle through the threaded rod, the people's of being convenient for dismantlement simultaneously makes things convenient for people's use.

Further setting: the lower baffle is divided into a first sleeve plate and a second sleeve plate, a sliding plate which is connected with the first sleeve plate in a sliding mode is arranged in the first sleeve plate, one end of the sliding plate is connected with the first sleeve plate in a sliding mode, and the other end of the sliding plate is fixedly connected with the second sleeve plate. And a driving cylinder fixedly connected with the first sleeve plate is arranged in the first sleeve plate, and an output shaft of the driving cylinder is fixedly connected with the sliding plate and used for driving the first sleeve plate to move. The both sides that drive actuating cylinder are equipped with respectively with first lagging fixed connection's telescopic link, the one end and the first lagging fixed connection of telescopic link, the other end and the sliding plate fixed connection of telescopic link. The telescopic link divide into first sleeve pipe and second sleeve pipe, and second sleeve pipe sliding connection is in first sleeve pipe, first sleeve pipe and first sheathing fixed connection, second sleeve pipe and sliding plate fixed connection, be equipped with a plurality of on the first sleeve pipe respectively rather than parallel connection's draw-in groove, be equipped with on the second sleeve pipe rather than the button that resets of draw-in groove adaptation.

Through adopting above-mentioned technical scheme, utilize the sliding plate to drive first lagging and second lagging motion, can be according to people's demand adjustment holistic length, be convenient for people with hall formula speed sensor and gear to measuring speed to it, can not be easy cause the angle not conform. The telescopic rod can be used for facilitating the pushing of people to the sliding plate. Utilize reset button and draw-in groove can play spacing effect to the telescopic link simultaneously.

Further setting: the Hall type vehicle speed sensor is provided with a thread strip for conveniently clamping the Hall type vehicle speed sensor on the lower baffle.

Through adopting above-mentioned technical scheme, utilize the screw thread strip on the hall formula speed sensor, can make things convenient for people to lock hall formula speed sensor under on the baffle, can not drop easily, make things convenient for people's operation and use.

In conclusion, the invention has the following beneficial effects: people are through placing hall formula speed sensor on mounting fixture, are driving the gear that tests the speed through the axletree and rotate, are realizing that zero-speed detects, the precision is high, simple to operate, strong adaptability, the strong benefit of interference killing feature through the data display that speedometer mileage display module will detect.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a transmission-less vehicle speed detection and display system;

FIG. 2 is a schematic view of a mounting fixture;

FIG. 3 is a schematic view of the internal structure of the first deck;

FIG. 4 is a schematic view of the speed gear structure;

FIG. 5 is a flow chart of a gearless vehicle speed detection and display system.

In the figure, 1, a speed measuring gear; 11. a positioning key; 2. a Hall type vehicle speed sensor; 3. fixing the clamp; 31. an upper baffle plate; 32. a lower baffle plate; 33. a threaded rod; 34. positioning the screw hole; 35. a threaded via hole; 36. a first deck; 361. a second deck; 362. a sliding plate; 363. a driving cylinder; 364. a telescopic rod; 365. a first sleeve; 366. a second sleeve; 367. A card slot; 368. a reset button; 4. a wheel shaft; 5. an integrated vehicle speed instrument; 6. a threaded strip; 7. and (4) conducting wires.

Detailed Description

The following further describes the embodiments of the present invention with reference to the drawings.

The technical scheme adopted by the invention is as follows:

a speed detection and display system for a vehicle without a gearbox comprises a vehicle detection module and a speed and mileage display module, as shown in figure 1, figure 2 and figure 4, the vehicle detection module comprises a speed measurement gear 1, a Hall type vehicle speed sensor 2 and a fixing clamp 3, a wheel shaft 4 is sleeved on the speed measurement gear 1, a positioning key 11 is arranged at the joint of the wheel shaft 4 and the speed measurement gear 1 and used for fixing the speed measurement gear 1 on the wheel shaft 4, the left side of the speed measurement gear 1 is in the same horizontal plane with the fixing clamp 3, the fixing clamp 3 comprises an upper baffle plate 31 and a lower baffle plate 32, a threaded rod 33 in threaded connection with the upper baffle plate 31 is arranged between the right side of the upper baffle plate 31 and the lower baffle plate 32 and used for locking the upper baffle plate 31 and the lower baffle plate 32, a plurality of positioning screw holes 34 in threaded connection with the upper baffle plate 31 are arranged at the left side of the upper baffle plate 31 and used, the middle position of the lower baffle 32 is provided with a thread through hole 35 connected with the lower baffle in parallel, the Hall type vehicle speed sensor 2 is in threaded connection with the thread through hole 35, and the Hall type vehicle speed sensor 2 is provided with a thread strip 6 for conveniently clamping the Hall type vehicle speed sensor 2 on the lower baffle 32.

As shown in fig. 1, 2 and 3, the lower baffle 32 is divided into a first sleeve plate 36 and a second sleeve plate 361, a sliding plate 362 slidably connected with the first sleeve plate 36 is arranged in the first sleeve plate 36, the lower end of the sliding plate 362 is fixedly connected with the second sleeve plate 361, and the upper end of the sliding plate 362 is slidably connected with the first sleeve plate 36. A driving cylinder 363 is fixedly connected to the first sleeve plate 36, and an output shaft of the driving cylinder 363 is fixedly connected to the sliding plate 362 for driving the sliding plate 362 to move. The two sides of the driving cylinder 363 are respectively provided with an expansion link 364 fixedly connected with the first sheathing 36, the upper end of the expansion link 364 is fixedly connected with the first sheathing 36, and the lower end of the expansion link 364 is fixedly connected with the sliding plate 362. The telescopic rod 364 is divided into a first sleeve 365 and a second sleeve 366, the second sleeve 366 is slidably connected in the first sleeve 365, the first sleeve 365 is fixedly connected in the first sleeve plate 36, the second sleeve 366 is fixedly connected with the sliding plate 362, a plurality of clamping grooves 367 which are connected in parallel with the first sleeve 365 are respectively arranged on the first sleeve 365, the clamping grooves 367 are sequentially and horizontally arranged from bottom to top, and a reset button 368 which is matched with the clamping grooves 367 is arranged on the second sleeve 366.

The left side of the Hall type vehicle speed sensor 2 is provided with a lead 7 electrically connected with the Hall type vehicle speed sensor, the left end of the lead 7 is electrically connected with a speed and mileage display module, and the speed and mileage display module is an integrated vehicle speed instrument 5 and is used for converting pulse signals output by the sensor into other signals through signal processing to drive the instrument to display current vehicle speed and mileage information.

The working principle is as follows:

firstly, a speed measuring gear is installed at a proper position of a wheel shaft 4 and is fixed by a positioning key 11, a sensor is installed at a proper position right in front of the tooth crest of the speed measuring gear 1, a Hall type vehicle speed sensor 2 is matched with a thread through hole 35 through a thread strip 6, the probe of the Hall type vehicle speed sensor 2 is ensured to be right opposite to the middle part of the tooth crest of the speed measuring gear 1, a certain distance is reserved, after the whole device is fixedly installed, the Hall type vehicle speed sensor 2 is connected with a lead 7, the lead 7 is connected with an integrated vehicle speed instrument 5, power is directly supplied from the integrated vehicle speed instrument 5, and the Hall type vehicle speed sensor 2 transmits a detection signal back to the integrated vehicle speed instrument 5.

After all connections are finished, electrifying to work, in the running process of an automobile, wheels can rotate together with a wheel shaft 4, the plane displacement of the automobile is converted into the rotation quantity of the wheel shaft 4, the wheel shaft 4 rotates and simultaneously drives a speed measuring gear 1 to rotate, the gear teeth can cut magnetic induction lines in the rotation process of the speed measuring gear 1, a probe detection element of a Hall type vehicle speed sensor 2 senses the change of a magnetic field and then outputs a stable pulse signal after being processed by an internal circuit, and the frequency of the pulse signal is in direct proportion to the rotating speed of the gear.

At present, the inside of a pointer type instrument panel is converted into a voltage or current signal according to a pulse signal to drive a pointer to rotate so as to display vehicle speed information and drive mileage accumulation, a digital display type instrument is processed by an internal chip, the formula is converted into a corresponding program to carry out automatic calculation, and then a nixie tube is used for displaying vehicle speed and mileage. Therefore, the Hall type vehicle speed sensor 2 is only connected to the integrated vehicle speed instrument 5, and the current vehicle speed and mileage information can be displayed by electrifying.

The present invention is not intended to be limited to the particular embodiments shown above, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.