CN201490033U - Novel spring-loaded brake switch - Google Patents
Novel spring-loaded brake switch Download PDFInfo
- Publication number
- CN201490033U CN201490033U CN2009201734789U CN200920173478U CN201490033U CN 201490033 U CN201490033 U CN 201490033U CN 2009201734789 U CN2009201734789 U CN 2009201734789U CN 200920173478 U CN200920173478 U CN 200920173478U CN 201490033 U CN201490033 U CN 201490033U
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- China
- Prior art keywords
- brake
- contact
- copper sheet
- spring
- brake signal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229910052802 copper Inorganic materials 0.000 claims abstract description 27
- 239000010949 copper Substances 0.000 claims abstract description 27
- 238000003745 diagnosis Methods 0.000 abstract description 6
- 230000003068 static effect Effects 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000000881 depressing effect Effects 0.000 description 5
- VVNRQZDDMYBBJY-UHFFFAOYSA-M sodium 1-[(1-sulfonaphthalen-2-yl)diazenyl]naphthalen-2-olate Chemical compound [Na+].C1=CC=CC2=C(S([O-])(=O)=O)C(N=NC3=C4C=CC=CC4=CC=C3O)=CC=C21 VVNRQZDDMYBBJY-UHFFFAOYSA-M 0.000 description 5
- 230000000994 depressogenic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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Abstract
The utility model relates to a novel spring-loaded brake switch, which can reduce the misinformation of diagnosis signals of brake switches. The utility model adopts a technical scheme that: the novel spring-loaded brake switch comprises a brake switch slider, static and dynamic contacts which are used for providing subsidiary brake signals, and static and dynamic contacts which are used for providing main brake signals, wherein the upper part of the slider is connected with an ejector pin; the dynamic contact for providing the subsidiary brake signals is arranged on a contact copper sheet; and a spring is arranged between the horizontal plane of the contact copper sheet and the bottom surface of the slider. The novel spring-loaded brake switch is characterized in that: the length of the spring corresponding to the subsidiary brake signals is between 2.5 and 3 millimeters; and the vertical length of the contact copper sheet corresponding to the subsidiary brake signals is between 2.5 and 3 millimeters.
Description
Technical field
The utility model relates to a kind of novel spring type brake switch.
Background technology
At present, existing brake switch mainly contains three kinds of structures:
1, can not be used for diagnosis, this switch can not be given the ECU signal, is mainly used to whether extinguishing of control brake lamp.
2, can be used for diagnosis, flow to the ECU two paths of signals, i.e. main brake signal (Mn) and auxiliary brake signal (Red).
3, can be used for diagnosis, flow to ECU three road signals, main brake signal (Mn), auxiliary brake signal (Red), Third Road signal are used for whether extinguishing of control brake lamp.
With the maximally related prior art of the utility model be aforesaid the third brake switch.
The corresponding one group of moving contact of the existing every road of brake switch signal, fixed contact, wherein moving contact all is arranged on the contact copper sheet, be provided with spring between the horizontal plane of contact copper sheet and the end face of slide block or the bottom surface, wherein, the moving contact that auxiliary brake signal (Red) is corresponding is positioned at the slide block below, respective springs length is 2mm, and the moving contact of all the other two paths of signals main brake signals (Mn), stop lamp signal correspondence is positioned at the slide block top, and respective springs length is 1mm.Push rod is subjected to brake pedal control to drive slide block to move upward or move downward, thereby corresponding moving contact is contacted with fixed contact or disconnects, and exports corresponding signal.
When brake switch normal, and when not being in braking state: Mn=0, Red=0, i.e. Brk=0; When brake switch normal, and when being in braking state: Mn=1, Red=1, i.e. Brk=3; When brake switch is undesired, Mn=0, Red=1, i.e. Brk=1.
Under the normal condition, when not depressing brake pedal, push rod is depressed slide block, and auxiliary brake signal (Red) corresponding spring is in compressive state, and corresponding moving contact contacts with fixed contact, auxiliary brake signal Red=0, and ECU is diagnosed as the Brk=0 state, and promptly switch is normal.
Owing to certain mismachining tolerance is arranged in the production process, to add pedal and have alignment error, pedal can not be pressed into switch inside with the switch push rod sometimes fully, and the brake switch push rod is being exposed more or less always.In such cases, when not depressing brake pedal, might auxiliary brake signal corresponding spring be in free state rather than compressive state, auxiliary brake signal (Red) moving contact and fixed contact disconnect, auxiliary brake signal Red=1; Main brake signal (Mn) moving contact and fixed contact disconnect, and main brake signal Mn=0, ECU wrong diagnosis are the Brk=1 state, and in fact the switch of this moment is no problem.
After the wrong report mistake of ECU appearance to brake switch, the gas pedal reliability can't detect, cruise function can't use, brake signal cannot adopt, and ECU can light the engine failure lamp simultaneously, brings very big inconvenience to the driver.
The utility model content
Goal of the invention of the present utility model is to provide a kind of novel spring type brake switch, can effectively reduce the wrong report of brake switch diagnostic signal.
Realize the technical scheme of the present utility model purpose:
A kind of novel spring type brake switch, has the brake switch slide block, slide block top is connected to push rod, also have fixed contact, moving contact that the main brake signal is provided, and fixed contact, moving contact that the auxiliary brake signal is provided, wherein, provide the moving contact of auxiliary brake signal to be arranged on the contact copper sheet, be provided with spring between the horizontal plane of contact copper sheet and the bottom surface of slide block, it is characterized in that: the spring length of aforementioned corresponding auxiliary brake signal is 2.5mm-3mm, and the contact copper sheet vertical extension of corresponding auxiliary brake signal is 2.5mm-3mm.
The spring length of corresponding auxiliary brake signal can be 3mm.
The contact copper sheet vertical extension of corresponding auxiliary brake signal can be 3mm.
Provide the moving contact of main brake signal to be arranged on the contact copper sheet, the end face of this contact copper sheet and slide block is directly fixing.
The beneficial effect that the utlity model has:
The corresponding spring length 0.5-1mm that the auxiliary brake signal is provided of the utility model lengthening, the vertical extension 0.5-1mm of corresponding contact copper sheet has correspondingly also extended, from lift rod stroke, postpone 0.5-1mm output Red=1 signal, be that the Brk=1 state is postponed appearance, can effectively reduce the wrong report of brake diagnostic signal, it is stronger to make that brake switch adapts to the ability of the manufacturing of manufacturing, alignment error and brake pedal, alignment error.
The utility model is on existing switch basis, only to partial spring with contact copper sheet and improve, simple in structure, it is convenient to implement, and can save a large amount of research and development expenses, simultaneously, because the spring of having removed corresponding main brake signal contacts the vertical extension of copper sheet with corresponding main brake signal, reduce amount of parts, optimized assembly technology, saved cost greatly.
Description of drawings
Fig. 1 is existing brake switch working state figure when not stepping on brake pedal;
Existing brake switch working state figure when Fig. 2 all steps on for brake pedal;
Fig. 3 is the structural representation of the utility model brake switch.
Embodiment
As shown in Figure 1 and Figure 2, slide block 4 tops of existing brake switch are connected to push rod 1. provides the moving contact 6 of auxiliary brake signal to be arranged on the contact copper sheet 5, is provided with spring 8 between the horizontal plane of contact copper sheet and the bottom surface of slide block 4, and spring length is 2mm.Correspondence provide the main brake signal spring 3, spring 2 length that the stop lamp signal is provided are 1mm.
As shown in Figure 1, under the normal condition, when not depressing brake pedal, push rod 1 is depressed slide block 4, and spring 8 is in compressive state, the moving contact 6 that auxiliary brake signal (Red) is corresponding contacts with fixed contact 7, auxiliary brake signal Red=0 (ECU is inverted the high voltage signal of receiving), correspondence provides spring 3, the spring 2 place's free states to the stop lamp signal is provided of main brake signal (Mn), and corresponding moving contact, fixed contact disconnect, main brake signal Mn=0, ECU is diagnosed as the Brk=0 state.
As shown in Figure 2, when all depressing brake pedal, push rod drives on the slide block and moves, the complete free state in spring 8 places, moving contact that auxiliary brake signal (Red) is corresponding and fixed contact disconnect, auxiliary brake signal Red=1, correspondence provides spring 3 compressions of main brake signal (Mn), corresponding moving contact, fixed contact are connected, main brake signal Mn=1, and ECU is diagnosed as the Brk=3 state.
Owing to certain mismachining tolerance is arranged in the production process, to add pedal and have alignment error, pedal can not be pressed into switch inside with the switch push rod sometimes fully, and the brake switch push rod is being exposed more or less always.In such cases, when not depressing brake pedal, might auxiliary brake signal corresponding spring 8 be in free state, auxiliary brake signal (Red) moving contact 6 disconnects auxiliary brake signal Red=1 with fixed contact 7.Since the requirement of processing, but there is one section break-make zone on the lift rod stroke inevitably, Mn=0 during Red=1 in this zone, therefore, ECU might wrong diagnosis be the switch fault state for the Brk=1 state, and in fact the switch of this moment is no problem.
As shown in Figure 3, the length of the spring 9 of corresponding auxiliary brake signal is 2.5mm-3mm, is 3mm during enforcement, spring 8 long 1mm than existing switch, correspondingly, contact copper sheet 10 vertical extension of corresponding auxiliary brake signal are 3mm, than the long 1mm of contact copper sheet 5 vertical extension of existing switch.Provide the moving contact 11 of main brake signal to be arranged on the contact copper sheet 12, the end face of this contact copper sheet and slide block is directly fixing, compares with existing switch, has removed the corresponding spring 3 that the main brake signal is provided, and has removed the vertical extension of corresponding contact copper sheet.
In the present embodiment, because spring 9 is than the spring 8 long 1mm of existing switch, from lift rod stroke, can postpone 1mm output Red=1 signal, be that the Brk=1 state is postponed appearance, can effectively reduce the wrong report of brake diagnostic signal, it is stronger to make that brake switch adapts to the ability of the manufacturing of manufacturing, alignment error and brake pedal, alignment error.
Claims (4)
1. novel spring type brake switch, has the brake switch slide block, slide block top is connected to push rod, also have fixed contact, moving contact that the auxiliary brake signal is provided, and fixed contact, moving contact that the main brake signal is provided, wherein, provide the moving contact of auxiliary brake signal to be arranged on the contact copper sheet, be provided with spring between the horizontal plane of contact copper sheet and the bottom surface of slide block, it is characterized in that: the spring length of aforementioned corresponding auxiliary brake signal is 2.5mm-3mm, and the contact copper sheet vertical extension of corresponding auxiliary brake signal is 2.5mm-3mm.
2. novel spring type brake switch according to claim 1 is characterized in that: the spring length of corresponding auxiliary brake signal can be 3mm.
3. novel spring type brake switch according to claim 2 is characterized in that: the contact copper sheet vertical extension of corresponding auxiliary brake signal can be 3mm.
4. according to any one described novel spring type brake switch of claim 1-3, it is characterized in that: provide the moving contact of main brake signal to be arranged on the contact copper sheet, the end face of this contact copper sheet and slide block is directly fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201734789U CN201490033U (en) | 2009-09-08 | 2009-09-08 | Novel spring-loaded brake switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201734789U CN201490033U (en) | 2009-09-08 | 2009-09-08 | Novel spring-loaded brake switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201490033U true CN201490033U (en) | 2010-05-26 |
Family
ID=42428902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201734789U Expired - Fee Related CN201490033U (en) | 2009-09-08 | 2009-09-08 | Novel spring-loaded brake switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201490033U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097235A (en) * | 2010-12-29 | 2011-06-15 | 奇瑞汽车股份有限公司 | Brake switch and method for engine control unit to respond braking signal |
-
2009
- 2009-09-08 CN CN2009201734789U patent/CN201490033U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102097235A (en) * | 2010-12-29 | 2011-06-15 | 奇瑞汽车股份有限公司 | Brake switch and method for engine control unit to respond braking signal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20130908 |