CN203305889U - Automobile brake lamp sensor system - Google Patents
Automobile brake lamp sensor system Download PDFInfo
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- CN203305889U CN203305889U CN2013203304974U CN201320330497U CN203305889U CN 203305889 U CN203305889 U CN 203305889U CN 2013203304974 U CN2013203304974 U CN 2013203304974U CN 201320330497 U CN201320330497 U CN 201320330497U CN 203305889 U CN203305889 U CN 203305889U
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Abstract
The utility model discloses an automobile brake lamp sensor system. The automobile brake lamp sensor system comprises an automobile brake lamp sensor and a sensor processing circuit for converting a switching signal into a high low-level signal, wherein the automobile brake action is converted into variation in magnetic field strength by the automobile brake lamp sensor, then conversion is performed by the sensor processing circuit which is used for converting the switching signal into the high low-level signal, and the variation in the magnetic field strength is converted into an electric signal to be transmitted to an automobile control system.
Description
Technical field
The utility model relates to a kind of sensing system, relates in particular to a kind of automobile brake lamp sensing system.
Background technology
The unlatching of general that automobile brake lamp is, by the automobile brake pedal below, the opening and closing that a shift knob is directly controlled automobile brake lamp are installed.This kind mode is that the mechanical contact switch is controlled, and be restricted its service life.
The utility model content
For above problem the utility model, provide a kind of long service life, and can strengthen the automobile brake lamp sensing system of braking safety.
This sensing system is converted into the automobile brake action electric signal and flows to automotive control system.Avoid the mechanical contact mode of operation, increase product service life.This sensing system is the component part of brake system of car, and needing can the direct-detection braking maneuver and provide the opening and closing that electric signal is controlled automobile brake lamp, the real-time reminding front vehicle, and vehicle is in braking mode.
In order to overcome the above problems the utility model, provide a kind of automobile brake lamp sensing system, it is characterized in that: comprise master brake cylinder, piston, permanent magnet, Hall switching element, induction installation;
Piston is positioned at master brake cylinder inside, can permanent magnet be installed on piston along the master brake cylinder axis shift, when piston is subjected to displacement, is arranged on the also and then displacement together of permanent magnet on piston;
In the master brake cylinder outside, the induction installation with Hall switching element is installed, Hall switching element is for responding to the change of magnetic field strength of permanent magnet;
Master brake cylinder and induction installation and inner Hall switching element thereof form a whole, and the integral body formed with piston and permanent magnet produces relative motion when automobile brake.
Described permanent magnet is annular, and the axis direction of annular is its magnetizing direction.
In described permanent magnet, magnetic line of force passes the induction point of Hall switching element, the magnetic-field intensity B of this point
0Horizontal component be the invalid magnetic field B at sensor Hall switching element induction point place
1, the magnetic-field intensity B of this point
0Normal component be the effective magnetic field B at Hall switching element induction point place
2, described effective magnetic field B
2Be the magnetic field of forward perpendicular to Hall switching element induction point direction.
The magnetic-field intensity that described Hall switching element is opened is 3.4-7.7mT, the magnetic-field intensity 1.8-5.4mT closed.
The described sensor treatment circuit that on-off signal is converted into to the high-low level signal: its J1 terminal 1,3 pin output, 4 pin positive sources, 2 pin power cathodes; Positive source and diode D1 pin 2, D2 pin 2 is connected, diode D1 pin 1 is connected with resistance R 1 pin 1, C1 pin 1, R5 pin 2, aerotron Q2 pin 2, stabilivolt D3 pin 1, resistance R 1 pin 2 is connected with C2 pin 1, Hall U1 pin 1, resistance R 5 pin 1 are connected with R4 pin 1, resistance R 4 pin 2 are connected with aerotron Q2 pin 1, and aerotron Q2 pin 3 is connected with zener diode D3 pin 2, R6 pin 1, R7 pin 1, R8 pin 1, and R6 pin 2, R7 pin 2, R7 pin 2 are connected with output J1 pin 1;
Hall switching element Y1 conducting, make aerotron Q2 saturated by biasing resistor, is high level thereby make power supply output to BTS, Q2 cut-off during the Y1 cut-off, and the BTS end becomes low level by the rear end pull down resistor;
Hall switching element Y2 conducting, make aerotron Q1 cut-off by biasing resistor, thereby make power tube output high level, and during the Y2 cut-off, Q1 is saturated, and the BLS end becomes low level by the rear end pull down resistor;
The sensor treatment circuit adopts Redundancy Design two-way output signal BLS, BTS, and two paths of signals output is separate;
Power supply supply department increases a diode, and reverse power connection is protected;
The power supply supply has all added the π filter circuit, reduces the interference to Hall element of power-supply fluctuation and extraneous high-frequency signal;
Flash output anti-interference power pipe is used in the output of BLS end, strengthens fan-out capability and antijamming capability;
Aerotron Q2 increases the protection of diode D3 clamper, prevents that aerotron is breakdown.
The described sensor treatment circuit that on-off signal is converted into to the high-low level signal:
1, the 3 pin output of J1 terminal, 4 pin positive sources, 2 pin power cathodes;
Positive source and diode D1 pin 2, D2 pin 2 is connected, diode D1 pin 1 is connected with resistance R 1 pin 1, C1 pin 1, resistance R 1 pin 2 is connected with C2 pin 1, stabilivolt Z1 pin 1, Hall U1 pin 1, Hall U1 pin 3 is connected with resistance R 5 pin 1, R6 pin 1, R7 pin 1, and resistance R 5 pin 2, R6 pin 2, R7 pin 2 are connected with output pin 1;
D2 pin 1 is connected with capacitor C 3 pin 1, R2 pin 1, resistance R 2 pin 2 are connected with C4 pin 1, R3 pin 2, aerotron Q1 pin 3, zener diode Z2 pin 1, Hall U2 pin 1, resistance R 3 pin 1 are connected with R4 pin 1, resistance R 4 pin 2 are connected with aerotron Q1 pin 1, aerotron Q1 pin 2 is connected with resistance R 8 pin 1, R9 pin 1, R10 pin 1, and resistance R 8 pin 2, R9 pin 2, R10 pin 2 are connected with output pin 1;
Hall element U2 conducting, make aerotron Q1 cut-off by biasing resistor, and the BLS end becomes low level by the rear end pull down resistor, and during the U2 cut-off, aerotron Q1 is saturated, and it is high level that power supply outputs to BLS by aerotron;
The sensor treatment circuit adopts Redundancy Design two-way output signal BLS, BTS, and two paths of signals output is separate;
Power supply supply department increases a diode, and reverse power connection is protected;
The power supply supply has all added the π filter circuit, reduces the interference to Hall element of power-supply fluctuation and extraneous high-frequency signal;
The two-way Hall has all increased the input clamping diode, prevents that surge voltage from puncturing Hall;
The mode of 3 resistance shunting in parallel is all adopted in output, increases horsepower output.
Beneficial effect: it is the Hall effect principle design that the utility model sensing system adopts, and with mechanical switch comparison before, has avoided
The problem of the product deficiency in service life of bringing because of mechanical wear, thus the brake safe performance increased for automobile.
The accompanying drawing explanation
Fig. 1 is the structural representation of the utility model sensing system;
Fig. 2 is the effective magnetic field intensity schematic diagram that the utility model sensor adopts;
Fig. 3 is the variation schematic diagram of the utility model sensor effective magnetic field intensity when automobile brake;
Fig. 4 is the variation schematic diagram of the utility model sensor magnetic-field intensity when 0 magnetic field;
Fig. 5 is the variation schematic diagram of the utility model sensor effective magnetic field intensity when automobile brake discharges;
Fig. 6 is the utility model sensor treatment circuit I;
Fig. 7 is the utility model sensor treatment circuit II.
The specific embodiment
The utility model will be further described below in conjunction with accompanying drawing.
As shown in Figure 1, the utility model automobile brake lamp sensing system comprises automobile brake lamp sensor and sensor treatment circuit.
The automobile brake lamp sensor comprises master brake cylinder 1, piston 2, permanent magnet 3, Hall switching element 4, induction installation 5.
Automobile brake lamp sensing system described in the utility model is converted into the automobile brake action variation of magnetic-field intensity, then the variation of magnetic-field intensity is converted into to electric signal and flows to automotive control system.
When automobile brake on brake system of car the piston 2 of master brake cylinder 1 inside along master brake cylinder 1 axis shift, they coordinate compression brake liquid to carry out automobile brake, the utility model utilizes this characteristics, mounting permanent magnet 3 on the piston 2 of master brake cylinder 1, piston 2 when automobile brake in master brake cylinder 1 is subjected to displacement, thereby be arranged on the also and then displacement together of permanent magnet 3 on piston 2, so just braking maneuver changed into to certain Shang De magnetic field, fixed position on master cylinder and changed.
In master brake cylinder 1 outside, the induction installation 5 with Hall switching element 4 is installed, utilize the Hall effect principle, when braking occurs in automobile, piston 2 displacements in master brake cylinder 1 are with permanent magnet 3 motions, the interior Hall switching element 4 of induction installation 5 that is arranged on master brake cylinder 1 outside is responded to the change of magnetic field strength of permanent magnets, and the electric signal that in the time of Hall switching element 4 induced field Strength Changes, induction installation 5 changes flows to automotive control system.This wherein comprises two parts:
A. be arranged in the induction installation 5 on master brake cylinder 1 Hall switching element 4 is installed, the permanent magnet 3 be arranged on when automobile brake on master brake cylinder 1 is subjected to displacement, with respect to the induction installation 5 on master cylinder, the magnetic-field intensity at the induction point place on its Hall switching element 4 changes, and Hall switching element produces on-off signal when magnetic-field intensity reaches certain value (1.8-7.7mT);
As shown in Figure 2, the S utmost point 6 of permanent magnet 3 and permanent magnet N pole 7, in permanent magnet 3, magnetic line of force 8 passes the induction point of Hall switching element 4, the magnetic-field intensity B of this point
011 horizontal component is the invalid magnetic field B at sensor Hall switching element 4 induction point places
19, the magnetic-field intensity B of this point
011 normal component is the effective magnetic field B at Hall switching element 4 induction point places
210.
1) annotate: the utility model sensor adopts Hall switching element 4 as sensing element, and it utilizes the magnetic bias of permanent magnet 3 (is the magnetic field of forward perpendicular to Hall switching element 4 induction point directions, that is effective magnetic field B
210) induction changes, and is forward magnetic field effectively (being the magnetic field of forward perpendicular to Hall switching element 4 induction points);
2) annotate: the permanent magnet 3 that the utility model adopts is annular, and the axis direction of annular is its magnetizing direction, wants to guarantee above-mentioned 1
The forward bias magnetic field of asking.
As shown in Figure 3, the variation of effective magnetic field intensity when automobile brake: the S utmost point 6 of permanent magnet 3 and permanent magnet N pole 7, in permanent magnet 3, magnetic line of force 8 passes the induction point of Hall switching element 4, the magnetic-field intensity B of this point
314 horizontal component is the invalid magnetic field B at sensor Hall switching element 4 induction point places
412, the magnetic-field intensity B of this point
314 normal component is the effective magnetic field B at Hall switching element 4 induction point places
513.
As Fig. 4 institute, the variation of magnetic-field intensity when 0 magnetic field: the S utmost point 6 of permanent magnet 3 and permanent magnet N pole 7, in permanent magnet 3, magnetic line of force 8 passes the induction point of Hall switching element 4, the magnetic-field intensity B of this point
615 are entirely horizontal component, without normal component, i.e. and this magnetic-field intensity B
615 normal component is 0.
During automobile brake, the permanent magnet 3 be arranged on master brake cylinder 1 is subjected to displacement, with respect to the induction installation 5 on master cylinder, the magnetic-field intensity at the induction point place on its Hall switching element 4 changes, magnetic-field intensity is this Dian Chu magnetic field of 0mT(on perpendicular to Hall switching element 4 directions without magnetic bias at initial condition and Hall switching element 4 induction point magnetic-field intensitys, i.e. effective magnetic field B
210 is 0mT), i.e. magnetic-field intensity B shown in Figure 4
6Between 15, change, during this, produce effective magnetic field intensity B shown in Figure 3
513 magnetic-field intensity points, the scope of its magnetic-field intensity is 3.4-7.7mT.Now Hall switching element 4 is opened, and changes into the required electric signal control automobile brake lamp of brake system of car by induction installation 5.
As shown in Figure 5, the variation of effective magnetic field intensity when automobile brake discharges: the S utmost point 6 of permanent magnet 3 and permanent magnet N pole 7, in permanent magnet 3, magnetic line of force 8 passes the induction point of Hall switching element 4, the magnetic-field intensity B of this point
718 horizontal component is the invalid magnetic field B at sensor Hall switching element 4 induction point places
816, magnetic-field intensity B
718 normal component is the effective magnetic field B at Hall switching element 4 induction point places
817.
When automobile brake discharges, the permanent magnet 3 be arranged on master brake cylinder 1 is subjected to displacement, with respect to the induction installation 5 on master cylinder, the magnetic-field intensity at the induction point place on its Hall switching element 4 changes, magnetic-field intensity is this Dian Chu magnetic field of 0mT(on perpendicular to Hall switching element 4 directions without magnetic bias at Hall switching element 4 induction point magnetic-field intensitys, i.e. effective magnetic field B
210 is 0mT), i.e. magnetic-field intensity B shown in Figure 4
615 and initial condition between change, during this, produce effective magnetic field intensity B shown in Figure 5
817 magnetic-field intensity points, the scope of its magnetic-field intensity is 1.8-5.4mT, now Hall switching element 4 is closed, and changes into the required electric signal control automobile brake lamp of brake system of car by induction installation 5.
Select Hall switching element 4, the work magnetic-field intensity characteristics of Hall switching element 4 are as shown in following table .1.(product work range of temperatures :-40 ℃～140 ℃)
Table .1
By above-mentioned Hall switching element 4 work magnetic-field intensity characteristics, learn, the magnetic-field intensity scope of Hall switching element 4 is 1.8-7.7mT, namely as long as Hall switching element 4 just opens and closes in this scope.
B. after Hall element generation on-off signal, change into the high-low level signal through the sensor treatment circuit and flow to automotive control system.
Because Hall switching element 4 has only converted the displacement of permanent magnet 3 on piston 2 to switch motion, the high-low level that this and braking control system require does not mate, and the switching function of Hall switching element 4 need to be changed into to the high-low level signal and flow to control system.For this reason, the design treatment circuit is to meet the control system requirement.Certainly different high-low level requirement, the sensor treatment circuit is different.
As shown in Figure 6, the circuit of sensor treatment circuit I explanation:
1, the 3 pin output of J1 terminal, 4 pin positive sources, 2 pin power cathodes.Positive source and diode D1 pin 2, D2 pin 2 is connected, diode D1 pin 1 is connected with resistance R 1 pin 1, C1 pin 1, R5 pin 2, aerotron Q2 pin 2, stabilivolt D3 pin 1, resistance R 1 pin 2 is connected with C2 pin 1, Hall U1 pin 1, resistance R 5 pin 1 are connected with R4 pin 1, resistance R 4 pin 2 are connected with aerotron Q2 pin 1, and aerotron Q2 pin 3 is connected with zener diode D3 pin 2, R6 pin 1, R7 pin 1, R8 pin 1, and R6 pin 2, R7 pin 2, R7 pin 2 are connected with output J1 pin 1.
Hall switching element Y1 conducting, make aerotron Q2 saturated by biasing resistor, is high level thereby make power supply output to BTS, Q2 cut-off during the Y1 cut-off, and the BTS end becomes low level by the rear end pull down resistor;
Hall switching element Y2 conducting, make aerotron Q1 cut-off by biasing resistor, thereby make power tube output high level, and during the Y2 cut-off, Q1 is saturated, and the BLS end becomes low level by the rear end pull down resistor.
The sensor treatment circuit adopts Redundancy Design two-way output signal BLS, BTS, and two paths of signals output is separate;
Power supply supply department increases a diode, and reverse power connection is protected;
The power supply supply has all added the π filter circuit, reduces the interference to Hall element of power-supply fluctuation and extraneous high-frequency signal;
Flash output anti-interference power pipe is used in the output of BLS end, strengthens fan-out capability and antijamming capability;
Aerotron Q2 increases the protection of diode D3 clamper, prevents that aerotron is breakdown.
As shown in Figure 7, the circuit of sensor treatment circuit II explanation:
1, the 3 pin output of J1 terminal, 4 pin positive sources, 2 pin power cathodes.
Positive source and diode D1 pin 2, D2 pin 2 is connected, diode D1 pin 1 is connected with resistance R 1 pin 1, C1 pin 1, resistance R 1 pin 2 is connected with C2 pin 1, stabilivolt Z1 pin 1, Hall U1 pin 1, Hall U1 pin 3 is connected with resistance R 5 pin 1, R6 pin 1, R7 pin 1, and resistance R 5 pin 2, R6 pin 2, R7 pin 2 are connected with output pin 1.
Hall element U1 conducting, the BTS end becomes low level by Hall ground connection, and during the U1 cut-off, BTS becomes high level by rear end, drawing;
Hall element U2 conducting, make aerotron Q1 cut-off by biasing resistor, and the BLS end becomes low level by the rear end pull down resistor, and during the U2 cut-off, aerotron Q1 is saturated, and it is high level that power supply outputs to BLS by aerotron.
The sensor treatment circuit adopts Redundancy Design two-way output signal BLS, BTS, and two paths of signals output is separate;
Power supply supply department increases a diode, and reverse power connection is protected;
The power supply supply has all added the π filter circuit, reduces the interference to Hall element of power-supply fluctuation and extraneous high-frequency signal;
The two-way Hall has all increased the input clamping diode, prevents that surge voltage from puncturing Hall;
The mode of 3 resistance shunting in parallel is all adopted in output, increases horsepower output.
The foregoing is only preferred embodiment of the present utility model, be not restricted to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in claim scope of the present utility model.
Claims (7)
1. automobile brake lamp sensing system is characterized in that: comprises the automobile brake lamp sensor and on-off signal is converted into to the sensor treatment circuit of high-low level signal,
Described automobile brake lamp sensor comprises master brake cylinder (1), piston (2), permanent magnet (3), Hall switching element (4), induction installation (5);
Piston (2) is positioned at master brake cylinder (1) inside, can be along master brake cylinder (1) axis shift, permanent magnet (3) is installed on piston (2), while being subjected to displacement, is arranged on the also and then displacement together of permanent magnet (3) on piston (2) when piston (2); In master brake cylinder (1) outside, the induction installation (5) with Hall switching element (4) is installed, Hall switching element (4) is be used to responding to the change of magnetic field strength of permanent magnet (3);
Master brake cylinder (1) and induction installation (5) and inner Hall switching element (4) thereof form a whole, and the integral body formed with piston (2) and permanent magnet (3) is the generation relative motion when automobile brake.
2. automobile brake lamp sensing system according to claim 1 is characterized in that: described permanent magnet (3) is annular, and the axis direction of annular is its magnetizing direction.
3. automobile brake lamp sensing system according to claim 1 and 2 is characterized in that: in described permanent magnet (3), magnetic line of force (8) passes the induction point of Hall switching element (4), the magnetic-field intensity B of this point
0(11) horizontal component is the invalid magnetic field B at sensor Hall switching element (4) induction point place
1(9), the magnetic-field intensity B of this point
0(11) normal component is the effective magnetic field B at Hall switching element (4) induction point place
2(10), described effective magnetic field B
2(10) be the magnetic field of forward perpendicular to Hall switching element (4) induction point direction.
4. automobile brake lamp sensing system according to claim 1, it is characterized in that: the magnetic-field intensity that described Hall switching element (4) is opened is 3.4-7.7mT, the magnetic-field intensity 1.8-5.4mT closed.
5. automobile brake lamp sensing system according to claim 3, it is characterized in that: the magnetic-field intensity that described Hall switching element (4) is opened is 3.4-7.7mT, the magnetic-field intensity 1.8-5.4mT closed.
6. a kind of automobile brake lamp sensing system according to claim 1, is characterized in that: the described sensor treatment circuit that on-off signal is converted into to the high-low level signal: its J1 terminal 1,3 pin output, 4 pin positive sources, 2 pin power cathodes; Positive source and diode D1 pin 2, D2 pin 2 is connected, diode D1 pin 1 is connected with resistance R 1 pin 1, C1 pin 1, R5 pin 2, aerotron Q2 pin 2, stabilivolt D3 pin 1, resistance R 1 pin 2 is connected with C2 pin 1, Hall U1 pin 1, resistance R 5 pin 1 are connected with R4 pin 1, resistance R 4 pin 2 are connected with aerotron Q2 pin 1, and aerotron Q2 pin 3 is connected with zener diode D3 pin 2, R6 pin 1, R7 pin 1, R8 pin 1, and R6 pin 2, R7 pin 2, R7 pin 2 are connected with output J1 pin 1;
D2 pin 1 is connected with capacitor C 3 pin 1, R9 pin 1, R2 pin 2, U1 pin 2, pin 4, resistance R 9 pin 2 are connected with C4 pin 1, Hall U2 pin 1, and resistance R 2 pin 1 are connected with R3 pin 1, and resistance R 3 pin 2 are connected with aerotron Q1 pin 1, aerotron Q1 pin 3 is connected with U1 pin 1, and U1 pin 3 is connected with output J1 pin 3;
C1 pin 2, C2 pin 2, C3 pin 2, C4 pin 2, Y1 pin 2, Y2 pin 2, aerotron Q1 pin 2 are connected with power cathode;
Hall switching element Y1 conducting, make aerotron Q2 saturated by biasing resistor, is high level thereby make power supply output to BTS, Q2 cut-off during the Y1 cut-off, and the BTS end becomes low level by the rear end pull down resistor;
Hall switching element Y2 conducting, make aerotron Q1 cut-off by biasing resistor, thereby make power tube output high level, and during the Y2 cut-off, Q1 is saturated, and the BLS end becomes low level by the rear end pull down resistor;
The sensor treatment circuit adopts Redundancy Design two-way output signal BLS, BTS, and two paths of signals output is separate;
Power supply supply department increases a diode, and reverse power connection is protected;
The power supply supply has all added the π filter circuit, reduces the interference to Hall element of power-supply fluctuation and extraneous high-frequency signal;
Flash output anti-interference power pipe is used in the output of BLS end, strengthens fan-out capability and antijamming capability;
Aerotron Q2 increases the protection of diode D3 clamper, prevents that aerotron is breakdown.
7. a kind of automobile brake lamp sensing system according to claim 1 is characterized in that: the described sensor treatment circuit that on-off signal is converted into to the high-low level signal:
1, the 3 pin output of J1 terminal, 4 pin positive sources, 2 pin power cathodes;
Positive source and diode D1 pin 2, D2 pin 2 is connected, diode D1 pin 1 is connected with resistance R 1 pin 1, C1 pin 1, resistance R 1 pin 2 is connected with C2 pin 1, stabilivolt Z1 pin 1, Hall U1 pin 1, Hall U1 pin 3 is connected with resistance R 5 pin 1, R6 pin 1, R7 pin 1, and resistance R 5 pin 2, R6 pin 2, R7 pin 2 are connected with output pin 1;
D2 pin 1 is connected with capacitor C 3 pin 1, R2 pin 1, resistance R 2 pin 2 are connected with C4 pin 1, R3 pin 2, aerotron Q1 pin 3, zener diode Z2 pin 1, Hall U2 pin 1, resistance R 3 pin 1 are connected with R4 pin 1, resistance R 4 pin 2 are connected with aerotron Q1 pin 1, aerotron Q1 pin 2 is connected with resistance R 8 pin 1, R9 pin 1, R10 pin 1, and resistance R 8 pin 2, R9 pin 2, R10 pin 2 are connected with output pin 1;
C1 pin 2, C2 pin 2, C3 pin 2, C4 pin 2, Z1 pin 2, Z2 pin 2, U1 pin 2, U2 pin 2 are connected with power cathode;
Hall element U1 conducting, the BTS end becomes low level by Hall ground connection, and during the U1 cut-off, BTS becomes high level by rear end, drawing;
Hall element U2 conducting, make aerotron Q1 cut-off by biasing resistor, and the BLS end becomes low level by the rear end pull down resistor, and during the U2 cut-off, aerotron Q1 is saturated, and it is high level that power supply outputs to BLS by aerotron;
The sensor treatment circuit adopts Redundancy Design two-way output signal BLS, BTS, and two paths of signals output is separate;
Power supply supply department increases a diode, and reverse power connection is protected;
The power supply supply has all added the π filter circuit, reduces the interference to Hall element of power-supply fluctuation and extraneous high-frequency signal;
The two-way Hall has all increased the input clamping diode, prevents that surge voltage from puncturing Hall;
The mode of 3 resistance shunting in parallel is all adopted in output, increases horsepower output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203304974U CN203305889U (en) | 2013-06-08 | 2013-06-08 | Automobile brake lamp sensor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203304974U CN203305889U (en) | 2013-06-08 | 2013-06-08 | Automobile brake lamp sensor system |
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| Publication Number | Publication Date |
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| CN203305889U true CN203305889U (en) | 2013-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203304974U Withdrawn - After Issue CN203305889U (en) | 2013-06-08 | 2013-06-08 | Automobile brake lamp sensor system |
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| CN (1) | CN203305889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253183A (en) * | 2013-06-08 | 2013-08-21 | 昆山市兴利车辆科技配套有限公司 | Automobile brake lamp sensor system |
-
2013
- 2013-06-08 CN CN2013203304974U patent/CN203305889U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253183A (en) * | 2013-06-08 | 2013-08-21 | 昆山市兴利车辆科技配套有限公司 | Automobile brake lamp sensor system |
| CN103253183B (en) * | 2013-06-08 | 2015-08-05 | 昆山市兴利车辆科技配套有限公司 | Automobile brake lamp sensor system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131127 Effective date of abandoning: 20150805 |
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| RGAV | Abandon patent right to avoid regrant |