CN111220066B - Braking depth detection device with brake switch and vehicle - Google Patents
Braking depth detection device with brake switch and vehicle Download PDFInfo
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- CN111220066B CN111220066B CN201811422843.5A CN201811422843A CN111220066B CN 111220066 B CN111220066 B CN 111220066B CN 201811422843 A CN201811422843 A CN 201811422843A CN 111220066 B CN111220066 B CN 111220066B
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- magnetic core
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- contact pin
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/26—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring depth
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- General Physics & Mathematics (AREA)
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- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The invention provides a brake depth detection device with a brake switch, comprising: shell, connecting rod, magnetic core subassembly, sensor module and be used for controlling the brake switch of brake light, magnetic core subassembly, sensor module and brake switch set up in the shell, magnetic core subassembly rotatably fixes on the shell, the one end of connecting rod is connected with magnetic core subassembly's one end, brake pedal is connected to the other end of connecting rod, sensor module sets up in the position corresponding with magnetic core subassembly, brake switch is connected with magnetic core subassembly, and it is rotatory that the connecting rod drives magnetic core subassembly when stepping on brake pedal, control when magnetic core subassembly is rotatory brake switch's opening or closing. By the mode, the problem that the detection result is inaccurate due to the influence of temperature, humidity, vibration and the like on the resistance value is avoided; meanwhile, the problem of poor contact between the detection device and the brake switch is avoided.
Description
Technical Field
The invention relates to the field of detection, in particular to a brake depth detection device.
Background
The braking depth detection device on the market at present adopts a contact type principle, the electric brush can be driven to move by the movement of the braking connecting rod, the electric brush is arranged at the resistor sintered on the PCB, the resistance value of a series circuit is changed, the corresponding voltage is also changed, the sliding displacement value and the changed voltage value form a linear corresponding relation, the variation of the system connecting rod can be reversely calculated through the changed voltage value, and the braking depth can be known. And the current brake switch is generally arranged separately from the brake depth detection device.
However, due to a complicated working environment of the automobile, the braking depth detection device may operate in a severe environment such as a high temperature, a high humidity, and a high frequency vibration for a long time, and a contact resistance between the brush and the resistor on the PCB may be changed, which may cause short-time disconnection or increase of a resistance value, thereby affecting an output voltage of the detection device and causing system misjudgment. When the vehicle brake switch works in the harsh environments, poor contact between the brake switch and the brake depth detection device is easily caused, normal lighting and extinguishing of the vehicle brake lamp are affected, and serious threat is caused to traffic safety.
Disclosure of Invention
The invention aims to provide a brake depth detection device with a brake switch, which aims to solve the problems of broken circuit, increased resistance value and poor contact of the conventional brake depth detection device and the conventional brake switch.
In order to achieve the above object, the present invention provides a braking depth detecting apparatus having a brake switch, including: shell, connecting rod, magnetic core subassembly, sensor module and be used for controlling the brake switch of brake light, magnetic core subassembly, sensor module and brake switch set up in the shell, magnetic core subassembly rotatably fixes on the shell, the one end of connecting rod is linked with magnetic core subassembly's one end, brake pedal is connected to the other end of connecting rod, sensor module sets up in the position corresponding with magnetic core subassembly, brake switch is connected with magnetic core subassembly, and it is rotatory that the connecting rod drives magnetic core subassembly when stepping on brake pedal, control when magnetic core subassembly is rotatory brake switch's opening or closing.
According to the brake depth detection device with the brake switch, the connecting rod drives the magnetic core assembly to rotate, the sensor assembly collects the rotating angle information and converts the rotating angle information into a signal to be output, so that the brake depth information is obtained, and the inaccurate detection result caused by the influence of temperature, humidity, vibration and the like on the resistance value is avoided; meanwhile, the magnetic core assembly directly controls the brake switch to be turned on or off when rotating, so that the problem of poor contact between the detection device and the brake switch is avoided.
Preferably, the magnetic core assembly comprises: fixing base, magnetic core and pivot, the magnetic core sets up on the fixing base, the main part of pivot is the disc, the disc passes the through-hole of shell, the outer one side of shell of disc is fixed with the one end of connecting rod, one side in the shell of disc is provided with spacing arch, the locking limit device on spacing arch and the fixing base is mutually supported and is prevented that pivot and fixing base from taking place relative rotation.
Preferably, the limiting protrusion of the rotating shaft is prismatic, the limiting device is a limiting cavity used for accommodating the limiting protrusion, and the shape of the limiting cavity is adapted to the prismatic.
Preferably, the fixed seat is provided with a shifting sheet, the shifting sheet is in contact with the brake switch, and when the magnetic core assembly rotates, the shifting sheet swings along with the magnetic core assembly.
Preferably, the poking piece is provided with a first clamping groove, the shell is provided with a second clamping groove, the fixing seat is sleeved with a torsion spring, metal wires at two ends of the torsion spring extend outwards, one end of the torsion spring is embedded into the first clamping groove, and the other end of the torsion spring is embedded into the second clamping groove.
Preferably, a sealing groove is formed around the through hole on the inner side of the shell, a sealing ring is arranged in the sealing groove, and the sealing ring is in contact with the fixed seat.
Preferably, a middle cover is arranged outside the magnetic core assembly, and the middle cover limits the movement of the magnetic core assembly, so that the magnetic core assembly can only rotate around the rotating shaft and can not slide in other directions.
Preferably, the sensor subassembly includes circuit board and sensor, the sensor is fixed on the circuit board, the position of sensor corresponds with the magnetic core, be provided with the connecting pin on the circuit board, the sensor gathers magnetic core pivoted angle information and produces the signal, the signal outwards transmits the treater of vehicle through the connecting pin, obtains the information of the braking depth after the treater is handled.
Preferably, the brake switch includes: push rod, first spring, second spring, third spring, first push pedal, second push pedal, first contact pin, second contact pin, third contact pin, fourth contact pin, the one end of push rod and magnetic core component's plectrum contact overlaps in proper order from the one end of push rod to the other end and establishes first spring, first push pedal, second spring, second push pedal, third spring, the one end and the second push pedal contact of third spring, the other end and the shell contact of third spring, first contact pin and second contact pin are closer to the one end of push rod than first push pedal, third contact pin and fourth contact pin are closer to the other end of push rod than the second push pedal, first contact pin, second contact pin, third contact pin, fourth contact pin each other do not contact, keep insulating between first push pedal and the second push pedal.
Preferably, the compression rates of the first spring, the second spring and the third spring are different, the first push plate connects the first contact pin with the second contact pin under the state of no external force, the second push plate is not in contact with the third contact pin and the fourth contact pin, and the brake lamp is not on; the brake pedal is gradually stepped, the poking piece pokes the push rod, the first push plate is continuously connected with the first contact pin and the second contact pin, meanwhile, the second push plate is connected with the third contact pin and the fourth contact pin, and the brake lamp is lightened in a first lightening mode; the brake pedal is continuously stepped, the poking sheet continuously pokes the push rod, the first push plate is not in contact with the first contact pin and the second contact pin, the second push plate is continuously connected with the third contact pin and the fourth contact pin, and the brake lamp is lightened in a second lightening mode at the moment.
Preferably, at least one of the brightness and the blinking manner of the stop lamp in the first lighting mode and the second lighting mode is different.
The invention also provides a vehicle which comprises the brake depth detection device with the brake switch.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic diagram of a housing, a core assembly and a brake switch according to an embodiment of the invention;
FIG. 2 is an exploded view of a brake depth detection apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view of a fixing base according to an embodiment of the invention;
FIG. 4 is a schematic cross-sectional view of a braking depth detecting device according to an embodiment of the present invention;
fig. 5 is a schematic cross-sectional view of a brake switch according to an embodiment of the present invention.
The reference numerals in the specification are as follows:
10. a housing; 101. a sealing groove; 102. a second card slot; 103. a through hole; 20. a magnetic core assembly; 201. a fixed seat; 2011. a locking device; 2012. a shifting sheet; 2013. a first card slot; 202. a magnetic core; 203. a rotating shaft; 2031. a limiting bulge; 30. a sensor assembly; 301. a circuit board; 302. a sensor; 303. a connecting needle; 40. a connecting rod; 50. a torsion spring; 60. a seal ring; 70. a middle cover; 80. a cover plate; 90. a brake switch; 91. a push rod; 921. a first spring; 922. a second spring; 923. a third spring; 931. a first push plate; 932. a second push plate; 941. a first pin; 942. a second pin; 943. a third pin; 944. and a fourth pin.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative only and should not be construed as limiting the invention.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," "connecting," and "connecting" are used in a broad sense, and may be, for example, mechanically or electrically connected, or may be two elements communicating with each other, directly or indirectly through an intermediate, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
These and other aspects of embodiments of the invention will be apparent with reference to the following description and attached drawings. In the description and drawings, particular embodiments of the invention have been disclosed in detail as being indicative of some of the ways in which the principles of the embodiments of the invention may be practiced, but it is understood that the scope of the embodiments of the invention is not limited correspondingly. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
As shown in fig. 1 and 2, an embodiment of the present invention provides a braking depth detection device with a brake switch, including: the brake lamp comprises a shell 10, a connecting rod 40, a magnetic core assembly 20, a sensor assembly 30 and a brake switch 90 for controlling the brake lamp, wherein the magnetic core assembly 20, the sensor assembly 30 and the brake switch 90 are arranged in the shell 10, the magnetic core assembly 20 is rotatably fixed on the shell 10, one end of the connecting rod 40 is connected with one end of the magnetic core assembly 20, the other end of the connecting rod 40 is connected with a brake pedal, the sensor assembly 30 is arranged at a position corresponding to the magnetic core assembly 20, the brake switch 90 is connected with the magnetic core assembly 20, the connecting rod 40 drives the magnetic core assembly 20 to rotate when the brake pedal is stepped on, and the brake switch 90 is controlled to be turned on or turned off when the magnetic core assembly 20 rotates.
As shown in fig. 2 and 4, the magnetic core assembly 20 includes: fixing base 201, magnetic core 202 and pivot 203, magnetic core 202 sets up on fixing base 201, the main part of pivot 203 is the disc, the disc passes the through-hole 103 of shell 10, one side outside the shell of disc is fixed with the one end of connecting rod 40, one side in the shell of disc is provided with spacing arch 2031, spacing arch 2031 is prismatic. As shown in fig. 3, a locking device 2011 is disposed on the fixing base 201, the locking device 2011 is a limiting cavity for accommodating the limiting protrusion 2031, the shape of the limiting cavity is adapted to the prism of the limiting protrusion 2031, and the limiting protrusion 2031 and the locking device 2011 are mutually matched to prevent the rotating shaft 203 and the fixing base 201 from rotating relatively.
As shown in fig. 3, a plectrum 2012 is disposed on the fixing seat 201, when the magnetic core assembly 20 rotates, the plectrum 2012 swings along with the plectrum, a first slot 2013 is disposed on the plectrum, as shown in fig. 2, a second slot 102 is disposed on the housing 10, as shown in fig. 4, the fixing seat 201 is sleeved with a torsion spring 50, wires at two ends of the torsion spring 50 extend outwards, one end of the torsion spring 50 is embedded in the first slot 2013, and the other end of the torsion spring 50 is embedded in the second slot 102. The connecting rod 40 rotates the core assembly 20 when the brake pedal is depressed, and the torsion spring 50 returns the core assembly 20 and the connecting rod 40 and the brake pedal to their original positions when the brake pedal is released.
As shown in fig. 2 and 4, a seal groove 101 is provided around the through hole 103 inside the housing 10, a seal ring 60 is provided in the seal groove 101, and the seal ring 60 is in contact with a fixed seat 201. A middle cap 70 is disposed outside the core assembly 20, and the middle cap 70 restricts the movement of the core assembly 20 so that the core assembly 20 can only rotate around the rotation shaft 203 without sliding in other directions.
As shown in fig. 4, the sensor assembly 30 includes a circuit board 301 and a sensor 302, the sensor 302 is fixed on the circuit board 301, the position of the sensor 302 corresponds to the position of the magnetic core 202, a connection pin 303 is disposed on the circuit board 201, the sensor collects information of the rotation angle of the magnetic core 202 and generates a signal, the signal is transmitted to a processor of the vehicle through the connection pin 303, and the information of the braking depth is obtained after the signal is processed by the processor. The magnetic core 202 generates a magnetic field, when the braking depth changes, namely the brake pedal is stepped on, the magnetic core 202 rotates along with the magnetic field, the magnetic field also changes along with the change, the sensor 302 induces the change of the magnetic field and generates a signal, the signal is transmitted to the processor, and the information of the braking depth can be obtained through the processing of the processor, so that the purpose of detecting the braking depth is achieved.
As shown in fig. 5, the brake switch 90 includes: a push rod 91, a first spring 921, a second spring 922, a third spring 923, a first push plate 931, a second push plate 932, a first pin 941, a second pin 942, a third pin 943, a fourth pin 944, one end of the push rod 91 is contacted with the shifting piece 2012 of the magnetic core assembly 20, a first spring 921, a first push plate 931, a second spring 922, a second push plate 932 and a third spring 923 are sleeved from one end of the push rod 91 to the other end in sequence, one end of the third spring 923 is in contact with the second push plate 932, the other end of the third spring 923 is in contact with the housing 10, the first pin 941 and the second pin 942 are closer to one end of the push rod 91 than the first push plate 931, the third pin 943 and the fourth pin 944 are closer to the other end of the push rod 91 than the second push plate 932, the first pin 941, the second pin 942, the third pin 943 and the fourth pin 944 are not in contact with each other, and the first pushing plate 931 and the second pushing plate 932 are insulated from each other.
The compressibility of the first spring 921, the second spring 922 and the third spring 923 is different, and in a state of not being subjected to external force, the first push plate 931 connects the first pin 941 with the second pin 942, the second push plate 932 is not in contact with the third pin 943 and the fourth pin 944, and at this time, the brake lamp is not on; the brake pedal is gradually stepped, the push rod 91 is pushed by the poking sheet 2012, the first push plate 931 is continuously connected with the first contact pin 941 and the second contact pin 942, meanwhile, the second push plate 932 is connected with the third contact pin 943 and the fourth contact pin 944, and at the moment, the brake lamp is lightened in the first lightening mode; the brake pedal is continuously stepped on, the poking sheet 2012 continuously pokes the push rod 91, the first push plate 931 is not in contact with the first pin 941 and the second pin 942, the second push plate 932 is continuously connected with the third pin 943 and the fourth pin 944, and at this time, the brake lamp is turned on in the second lighting mode.
The first pin 941, the second pin 942, the third pin 943 and the fourth pin 944 are respectively connected to a processor of the vehicle, the brake switch 90 outputs a signal to the processor, and the processor indicates according to the signal whether the brake lamp is turned on or turned on in any mode.
According to practical requirements, in one embodiment of the present embodiment, the second lighting mode has higher brightness than the first lighting mode; in a second embodiment of this embodiment, the first lighting mode is a normal lighting of the brake lamp, and the second lighting mode is a blinking mode; in the third embodiment of the present embodiment, the first lighting mode is a stop lamp normal lighting mode, and the stop lamp luminance in the second lighting mode is higher than the stop lamp luminance in the first lighting mode and is a blinking mode.
Through the mode, the connecting rod 40 drives the magnetic core assembly 20 to rotate, the sensor assembly 30 collects the rotating angle information and converts the rotating angle information into a signal to be output, so that the information of the braking depth is obtained, and the inaccurate detection result caused by the influence of temperature, humidity, vibration and the like on the resistance value is avoided; meanwhile, the magnetic core assembly 20 directly controls the brake switch 90 to be turned on or off when rotating, so that the problem of poor contact between the detection device and the brake switch 90 is avoided.
The invention also provides a vehicle which comprises the brake depth detection device with the brake switch.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (11)
1. A braking depth detection device having a brake switch, comprising: the brake device comprises a shell, a connecting rod, a magnetic core assembly, a sensor assembly and a brake switch for controlling a brake lamp, wherein the magnetic core assembly, the sensor assembly and the brake switch are arranged in the shell, the magnetic core assembly is rotatably fixed on the shell, one end of the connecting rod is connected with one end of the magnetic core assembly, the other end of the connecting rod is connected with a brake pedal, the sensor assembly is arranged at a position corresponding to the magnetic core assembly, the brake switch is connected with the magnetic core assembly, the connecting rod drives the magnetic core assembly to rotate when the brake pedal is stepped on, and the magnetic core assembly controls the brake switch to be turned on or turned off when rotating;
the brake switch includes: push rod, first spring, second spring, third spring, first push pedal, second push pedal, first contact pin, second contact pin, third contact pin, fourth contact pin, the one end of push rod and magnetic core component's plectrum contact overlaps in proper order from the one end of push rod to the other end and establishes first spring, first push pedal, second spring, second push pedal, third spring, the one end and the second push pedal contact of third spring, the other end and the shell contact of third spring, first contact pin and second contact pin are closer to the one end of push rod than first push pedal, third contact pin and fourth contact pin are closer to the other end of push rod than the second push pedal, first contact pin, second contact pin, third contact pin, fourth contact pin each other do not contact, keep insulating between first push pedal and the second push pedal.
2. The detent depth detection apparatus with a detent switch according to claim 1, wherein the magnetic core assembly comprises: fixing base, magnetic core and pivot, the magnetic core sets up on the fixing base, the main part of pivot is the disc, the disc passes the through-hole of shell, the outer one side of shell of disc is fixed with the one end of connecting rod, one side in the shell of disc is provided with spacing arch, the locking limit device on spacing arch and the fixing base is mutually supported and is prevented that pivot and fixing base from taking place relative rotation.
3. The device for detecting the braking depth with the brake switch as claimed in claim 2, wherein the limiting protrusion of the rotating shaft is a prism, the limiting device is a limiting cavity for accommodating the limiting protrusion, and the shape of the limiting cavity is adapted to the prism.
4. The braking depth detection device with the brake switch according to claim 3, wherein the fixed seat is provided with a shifting piece, the shifting piece is in contact with the brake switch, and the shifting piece swings along with the magnetic core assembly when the magnetic core assembly rotates.
5. The device for detecting the braking depth with the brake switch according to claim 4, wherein the dial is provided with a first engaging groove, the housing is provided with a second engaging groove, the fixing base is sleeved with a torsion spring, wires at two ends of the torsion spring extend outwards, one end of the torsion spring is embedded into the first engaging groove, and the other end of the torsion spring is embedded into the second engaging groove.
6. The braking depth detection device with the brake switch according to claim 2, wherein a sealing groove is provided around the through hole inside the housing, and a sealing ring is provided in the sealing groove and contacts the fixing base.
7. The braking depth detecting apparatus with a braking switch according to claim 5 or 6, wherein a middle cap is provided outside the core assembly, the middle cap limiting the movement of the core assembly such that the core assembly can only rotate around the rotation shaft without sliding in other directions.
8. The braking depth detection device with the brake switch according to claim 1, wherein the sensor assembly comprises a circuit board and a sensor, the sensor is fixed on the circuit board, the position of the sensor corresponds to the magnetic core, a connecting pin is arranged on the circuit board, the sensor collects the rotation angle information of the magnetic core and generates a signal, the signal is transmitted to a processor of the vehicle through the connecting pin, and the information of the braking depth is obtained after the signal is processed by the processor.
9. The braking depth detection device with the brake switch as claimed in claim 1, wherein the first spring, the second spring and the third spring have different compression rates, the first push plate connects the first pin and the second pin under the state of not being subjected to external force, the second push plate is not in contact with the third pin and the fourth pin, and the brake lamp is not on at the moment; the brake pedal is gradually stepped, the poking piece pokes the push rod, the first push plate is continuously connected with the first contact pin and the second contact pin, meanwhile, the second push plate is connected with the third contact pin and the fourth contact pin, and the brake lamp is lightened in a first lightening mode; the brake pedal is continuously stepped, the poking sheet continuously pokes the push rod, the first push plate is not in contact with the first contact pin and the second contact pin, the second push plate is continuously connected with the third contact pin and the fourth contact pin, and the brake lamp is lightened in a second lightening mode at the moment.
10. The braking depth detection apparatus with a brake switch according to claim 9, wherein at least one of brightness and blinking manner of the brake lamp of the first lighting mode and the second lighting mode is different.
11. A vehicle characterized by comprising the brake depth detection device with a brake switch according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422843.5A CN111220066B (en) | 2018-11-27 | 2018-11-27 | Braking depth detection device with brake switch and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811422843.5A CN111220066B (en) | 2018-11-27 | 2018-11-27 | Braking depth detection device with brake switch and vehicle |
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| CN111220066A CN111220066A (en) | 2020-06-02 |
| CN111220066B true CN111220066B (en) | 2022-03-18 |
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| CN111220066A (en) | 2020-06-02 |
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