CN203271882U - Failure alarm device of automotive exhaust system - Google Patents
Failure alarm device of automotive exhaust system Download PDFInfo
- Publication number
- CN203271882U CN203271882U CN2013202539313U CN201320253931U CN203271882U CN 203271882 U CN203271882 U CN 203271882U CN 2013202539313 U CN2013202539313 U CN 2013202539313U CN 201320253931 U CN201320253931 U CN 201320253931U CN 203271882 U CN203271882 U CN 203271882U
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- China
- Prior art keywords
- alarm device
- exhaust system
- outlet pipe
- failure alarm
- system failure
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Exhaust Gas After Treatment (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The utility model relates to a failure alarm device of an automotive exhaust system. The failure alarm device comprises an exhaust pipe, a ternary catalytic converter, a sound damper and an alarm device, wherein the exhaust pipe sequentially penetrates through the ternary catalytic converter and the sound damper and comprises an exhaust pipe gas inlet end and an exhaust pipe gas outlet end; a breathing pipeline is arranged between the exhaust pipe gas inlet end and the ternary catalytic converter; one end of the breathing pipeline is communicated with the air; the alarm device comprises an external circuit and a triggering element; the triggering element is mounted in the breathing pipeline and electrically connected with the external circuit. The failure alarm device of the automotive exhaust system serves the function of sending out alarm signals in time when the exhaust pipe is blocked so as to remind a driver to take effective measures and clean or replace components in time, normal operation of an automotive engine is thus guaranteed.
Description
Technical field
The utility model relates to a kind of failure alarm device, especially a kind of automobile exhaust system failure alarm device.
Background technique
along with the development of industry and the raising day by day of people's living standard, the use of automobile is more and more general and extensive, yet existing automobile in use still can run into some problems once in a while, due to along with the more and more attention to environmental protection, on the outlet pipe of a lot of motor car engines, three-way catalytic apparatus is installed all, but be subjected to the impact of the many factors such as fuel oil quality, the waste gas that the firing chamber produces is when discharging by automobile exhaust pipe, the impurity that can deposit on three-element catalytic reforming unit or silencing apparatus is more and more, make the backpressure rising of exhaust, cause exhaust problem, engine power performance descends, and then have a strong impact on the service behaviour of the machine of sending out.
The model utility content
In view of above-mentioned condition, being necessary to provide a kind of can make when three-way catalytic converter or silencing apparatus obstruction, the signal that can give the alarm in time, reminding driver is adopted an effective measure, and avoids the warning device that too much causes engine power to descend because of the impurity on three-way catalytic converter, silencing apparatus.
for solving the problems of the technologies described above, a kind of automobile exhaust system failure alarm device is provided, comprise outlet pipe, three-way catalytic converter, silencing apparatus and warning device, this outlet pipe passes this three-way catalytic converter and this silencing apparatus successively, this outlet pipe comprises outlet pipe inlet end and outlet pipe exhaust end, be provided with gas pipeline between the outlet pipe inlet end of this outlet pipe and this three-way catalytic converter, one end of this gas pipeline communicates with atmosphere, this warning device comprises external circuits and is arranged on the interior trigger element of this gas pipeline, this trigger element and this external circuits are electrically connected.
This trigger element includes diaphragm spring and expanded metal, is provided with tinsel between this diaphragm spring and this expanded metal.
This tinsel is rigidly connected in this diaphragm spring by metallic rod.
This diaphragm spring is the round sheet structure, and its surrounding sealing is arranged at this gas pipeline inwall.
This external circuits includes power supply and alarm, and it is extreme that this alarm connects this power-.
It is extreme that this expanded metal connects this external circuits power-.
This alarm is acoustooptic alarm element or image alarm element.
This alarm is installed in operator cabin.
Connect outlet pipe piping material be nonmetallic material, non-conductive.Diaphragm spring is fixed on pipeline and with pipeline and is in good air-tight state, and tinsel and diaphragm spring are rigidly connected by metallic rod, and expanded metal is fixed on pipeline, and the purpose of porous is to communicate in order to make with atmosphere.
In the utility model automobile exhaust system failure alarm device, when being located at three-element catalytic reforming unit on this outlet pipe or silencing apparatus and not stopping up, air pressure in the outlet pipe inlet end is little, diaphragm spring both sides pressure reduction is less, make diaphragm spring not be elongated, the tinsel and the expanded metal that are connected with diaphragm spring do not come in contact, and whole circuit does not have conducting, and alarm is not worked;
When the three-element catalytic reforming unit on being located at outlet pipe or silencing apparatus have serious obstruction, the air pressure of outlet pipe inlet end enlarges markedly, diaphragm spring both sides pressure reduction increases, make diaphragm spring be elongated, the tinsel and the expanded metal that are connected with diaphragm spring come in contact, whole circuit is switched on, alarm work.
This alarm can adopt the acoustooptic alarm element, is placed in operator cabin, near instrument panel, can in time be perceived by the driver during warning.
Description of drawings
Fig. 1 is the structural representation of the utility model automobile exhaust system failure alarm device.
Fig. 2 is the schematic diagram when in the utility model automobile exhaust system failure alarm device, three-element catalytic reforming unit or silencing apparatus have serious the obstruction.
Wherein: 10, outlet pipe; 12, outlet pipe inlet end; 14, outlet pipe exhaust end; 20, three-way catalytic converter;
30, silencing apparatus;
40, gas pipeline;
50, trigger element; 52, diaphragm spring; 54, tinsel; 56, expanded metal;
60, warning device; 62, alarm; 64, power supply;
70, waste gas.
Embodiment
Below in conjunction with drawings and Examples, automobile exhaust system failure alarm device of the present utility model is described in further detail.
see also Fig. 1, a kind of automobile exhaust system failure alarm device of the utility model embodiment, comprise outlet pipe 10, three-way catalytic converter 20, silencing apparatus 30 and warning device 60, this outlet pipe 10 passes in this three-way catalytic converter 20 and silencing apparatus 30 successively, this outlet pipe 10 comprises outlet pipe inlet end 12 and outlet pipe exhaust end 14, be provided with gas pipeline 40 between the outlet pipe inlet end 12 of this outlet pipe 10 and this three-way catalytic converter 20, these gas pipeline 40 the other ends communicate with atmosphere, this warning device 60 comprises an external circuits and is arranged on the interior trigger element 50 of this gas pipeline 60, this trigger element 50 is electrically connected with this external circuits.
This trigger element 50 includes diaphragm spring 52 and expanded metal 56, also is provided with tinsel 54 between this diaphragm spring 52 and this expanded metal 56; This expanded metal 56 is provided with pore, and this pore communicates with atmosphere, and this expanded metal 56 is fixed in gas pipeline 40; This tinsel 54 is rigidly connected in this diaphragm spring 52 by metallic rod; This diaphragm spring 52 is the round sheet structure, and its surrounding sealing is arranged at this gas pipeline 40 inwalls, makes this gas pipeline 40 two ends formation draught heads.
This external circuits includes power supply 64 and alarm 62, and this alarm 62 connects the negative pole end of this power supply 64; This expanded metal 56 connects the negative pole end of this external circuits power supply 64; This alarm 62 can be the acoustooptic alarm element, can be also the image alarm element; This alarm 62 is installed in operator cabin.In the utility model automobile exhaust system failure alarm device, three-element catalytic reforming unit 20 or the silencing apparatus 30 be located on this outlet pipe 10 do not stop up, waste gas 70 passes through three-element catalytic reforming unit 20 and silencing apparatus 30 from outlet pipe inlet end 12, directly enter outlet pipe exhaust end 14, air pressure in outlet pipe inlet end 12 is little, diaphragm spring 52 both sides pressure reduction are less, make diaphragm spring 52 not be elongated, the tinsel 54 and the expanded metal 56 that are connected with diaphragm spring 52 do not come in contact, whole circuit does not have conducting, and alarm 62 is not worked.
As shown in Figure 2, schematic diagram when for three-element catalytic reforming unit or silencing apparatus in the utility model automobile exhaust system, serious the obstruction being arranged, when the three-element catalytic reforming unit 20 on being located at outlet pipe 10 or silencing apparatus 30 have serious obstruction, the air pressure of outlet pipe inlet end 12 enlarges markedly, waste gas 70 enters gas pipeline 40 from outlet pipe inlet end 12, make diaphragm spring 52 both sides pressure reduction increase, make diaphragm spring 52 be elongated, the tinsel 54 and the expanded metal 56 that are connected with diaphragm spring 52 come in contact, whole circuit is switched on, alarm 62 work.
In the utility model automobile exhaust system failure alarm device, this alarm 62 can adopt the acoustooptic alarm element, is placed in operator cabin, near instrument panel, can in time be perceived by the driver during warning.
the above, it is only preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet be not to limit the utility model, any those skilled in the art, within not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solutions of the utility model content, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. automobile exhaust system failure alarm device, it is characterized in that: comprise outlet pipe, three-way catalytic converter, silencing apparatus and warning device, this outlet pipe passes this three-way catalytic converter and this silencing apparatus successively, this outlet pipe comprises outlet pipe inlet end and outlet pipe exhaust end, be provided with gas pipeline between the outlet pipe inlet end of this outlet pipe and this three-way catalytic converter, one end of this gas pipeline communicates with atmosphere, this warning device comprises external circuits and is arranged on the interior trigger element of this gas pipeline, this trigger element and the electric connection of this external circuits.
2. automobile exhaust system failure alarm device as claimed in claim 1, it is characterized in that: this trigger element includes diaphragm spring and expanded metal, is provided with tinsel between this diaphragm spring and this expanded metal.
3. automobile exhaust system failure alarm device as claimed in claim 2, it is characterized in that: this tinsel is rigidly connected in this diaphragm spring by metallic rod.
4. automobile exhaust system failure alarm device as claimed in claim 3, it is characterized in that: this diaphragm spring is the round sheet structure, its surrounding sealing is arranged at this gas pipeline inwall.
5. automobile exhaust system failure alarm device as claimed in claim 2, it is characterized in that: this external circuits includes power supply and alarm, and it is extreme that this alarm connects this power-.
6. automobile exhaust system failure alarm device as claimed in claim 2, it is characterized in that: it is extreme that this expanded metal connects this external circuits power-.
7. automobile exhaust system failure alarm device as claimed in claim 5, it is characterized in that: this alarm is acoustooptic alarm element or image alarm element.
8. automobile exhaust system failure alarm device as claimed in claim 7, it is characterized in that: this alarm is installed in operator cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202539313U CN203271882U (en) | 2013-05-10 | 2013-05-10 | Failure alarm device of automotive exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202539313U CN203271882U (en) | 2013-05-10 | 2013-05-10 | Failure alarm device of automotive exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203271882U true CN203271882U (en) | 2013-11-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202539313U Expired - Fee Related CN203271882U (en) | 2013-05-10 | 2013-05-10 | Failure alarm device of automotive exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203271882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542928A (en) * | 2016-06-23 | 2018-01-05 | 应用奈米科技股份有限公司 | Shaft seal failure early warning device and early warning method thereof |
-
2013
- 2013-05-10 CN CN2013202539313U patent/CN203271882U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107542928A (en) * | 2016-06-23 | 2018-01-05 | 应用奈米科技股份有限公司 | Shaft seal failure early warning device and early warning method thereof |
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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: 20131106 Termination date: 20140510 |