CN106653474A - Air pressure switch assembly of retarder - Google Patents
Air pressure switch assembly of retarder Download PDFInfo
- Publication number
- CN106653474A CN106653474A CN201710021044.6A CN201710021044A CN106653474A CN 106653474 A CN106653474 A CN 106653474A CN 201710021044 A CN201710021044 A CN 201710021044A CN 106653474 A CN106653474 A CN 106653474A
- Authority
- CN
- China
- Prior art keywords
- retarder
- baroswitch
- assembly
- air pressure
- switch main
- Prior art date
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/245—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by the deformation of a body of elastic material
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Transmission Of Braking Force In Braking Systems (AREA)
Abstract
The invention discloses an air pressure switch assembly of a retarder, and belongs to the technical field of eddy current retarder control systems. The air pressure switch assembly of the retarder comprises switch main bodies, an air pressure connection hole and an air valve seat, wherein the air pressure connection hole is located in the air valve seat and is used for connecting a brake air source and collecting air pressure; the switch main bodies are arranged on the air valve seat and is used for identifying the air pressure and outputting a voltage signal; and the air pressure switch assembly of the retarder is provided with two switch main bodies. The air pressure switch assembly of the retarder has the technical advantages of high sensitivity, high reliability, low manufacturing cost and long service life.
Description
Technical field
The present invention relates to the control system of current vortex retarder, more particularly to a kind of retarder baroswitch assembly.
Background technology
Automobile electrical eddy current retarder, i.e. automobile blocker or retarder, it is a set of without mechanical friction, in braking
Before system work, in active braking distance, in vehicle drive system, the safety auxiliary for first exercising vehicle deceleration is total
Into device, the configuration level of vehicle is improve, it may be mounted at the gearbox position of vehicle, it is also possible to installed in back axle portion
Position, it is also possible to installed in final drive shaft and between power transmission shaft.Current vortex retarder is mainly by electric control system and Machinery Ministry
Point two large divisions composition, electric control system mainly by electric controller, coil, vehicle condition inductor assembly, baroswitch assembly,
The device such as indicator lamp and each rat tail is constituted, and mechanical part is mainly made up of connecting bracket, field frame assembly and rotor assembly.
Wherein, baroswitch is a kind of simple pressure control device, when rated value is reached by measuring pressure, electron pressure
Switch can send control signal.When by measuring pressure overrate, the free end of flexible member produces displacement and pushes directly on
Switch element, changes the on off operating mode of switch element, reaches the purpose of control.Fig. 1 is retarder gas common in the art
Compress switch the structural representation of assembly.As illustrated, traditional fourth gear retarder baroswitch assembly has four switch main bodies 01,
Each switch main body 01 has two inserted sheets 02, and the flexible member spring (not shown) rigidity of each switch main body 01 is to set
Set, recognize four gears respectively, correspondence retarder exports the moment of torsion of four gears, i.e., four switch main bodies respectively with slowly
Four gears in device controller are connected.When using, with the continuous increase of air pressure, four switches of four gears are corresponded to respectively
Main body is in turn switched on.
At present, vapour retarder for vehicles baroswitch assembly of the prior art there is problems：1) production cost compared with
It is high：Traditional fourth gear retarder baroswitch assembly has four switch main bodies, and the wire harness being connected with baroswitch needs eight
The inserted sheet of terminal, wire harness is more so that cost is higher；2) sensitivity is low, or even phenomenon of stopping is dragged in generation：Traditional fourth gear is slow
Device baroswitch assembly has four switch main bodies, and the flexible member on four switch main bodies increases with vehicle service life,
One grade in pressure switch, two grades of (especially one grade) corresponding baroswitch main bodys cause flexible member due to working repeatedly throughout the year
Spring rate changes larger, and sensitivity and precision decline, and more have the phenomenon for causing flexible member to reset in time, so that
Retarder can not quit work in time, bring to vehicle and drag the harmful effect stopped.
In view of this, a kind of new retarder baroswitch assembly how is designed, it is of the prior art above-mentioned scarce to eliminate
Fall into and not enough, be a person skilled problem urgently to be resolved hurrily in the industry.
The content of the invention
In order to overcome technical problem of the prior art, the invention provides a kind of sensitivity is high, highly reliable, be manufactured into
This low, long service life retarder baroswitch assembly.
In order to realize foregoing invention purpose, the invention discloses a kind of retarder baroswitch assembly, including a switch master
Body, an air pressure connecting hole, an air valve seat, the air pressure connecting hole is located in the air valve seat, for connection brake source of the gas, collection
Air pressure size, the switch main body is installed in the air valve seat, and for recognizing air pressure size, output voltage signal is described slow
Fast device baroswitch assembly has two switch main bodies.
Further, each described switch main body respectively has three inserted sheets.
Further, the two of which inserted sheet in three inserted sheets passes through a control of a wire harness and the retarder
Device is electrically connected.
Further, described two inserted sheets are electrically connected respectively with two gears of the controller.
Further, each described switch main body has a flexible member, and elastic shape occurs by the flexible member
Change in turn switches on corresponding two gears of the switch main body.
Further, the one of inserted sheet in three inserted sheets is by a wire harness and a power electric connection.
Compared with prior art, technical scheme provided by the present invention has advantages below：Firstth, sensitivity it is high, can
Flexible member two output ends of correspondence strong by property, in each switch main body, its deformable amount is big, after long-term Reusability, its
Rigidity not susceptible, changes less, so as to ensure that sensitivity and the accuracy of baroswitch, reduces because flexible member is firm
Degree changes and causes the incidence for dragging phenomenon of stopping, and improves reliability；Secondth, low cost of manufacture, is realized by two switch main bodies
The baroswitch control of four gears, realizes the reduction of switch main body quantity, meanwhile, corresponding wire harness end inserted sheet sum and
Wire harness is reduced, and reduces the manufacturing cost of retarder switch assembly.
Description of the drawings
Can be described in detail by invention below with regard to the advantages and spirit of the present invention and institute's accompanying drawings are obtained further
Solution.
Fig. 1 is the structural representation of retarder baroswitch assembly in prior art；
Fig. 2 is the structural representation one of retarder baroswitch assembly provided by the present invention；
Fig. 3 is the structural representation two of retarder baroswitch assembly provided by the present invention；
Fig. 4 is the circuit theory diagrams of retarder baroswitch assembly provided by the present invention.
Specific embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with the accompanying drawings.However, the present invention should be understood as into not office
Be limited to this embodiment described below, and the technical concept of the present invention can with other known technologies or function and those
The combination of known technology identical other technologies is implemented.
In the explanation of specific examples below, in order to clearly show that the structure and working method of the present invention, will be by all
Multidirectional word is described, but should by "front", "rear", "left", "right", " outward ", " interior ", " outside ", " inside ",
The Word Understandings such as " axial direction ", " radial direction " are not construed as word of limitation for convenience of term.Additionally, in the following description
" drag and stop " one word for being used refers to the phenomenon that vehicle brake piece cannot normally playback after laminating wheel hub.
It is an object of the invention to provide a kind of retarder baroswitch assembly, realizes the reduction of its manufacturing cost, meanwhile,
Improve the sensitivity of the baroswitch assembly and use reliability, extend its service life.
Below in conjunction with the accompanying drawings 2-4 describes the specific embodiment of the present invention in detail.
Fig. 2, Fig. 3 are the structural representations of retarder baroswitch assembly provided by the present invention, and Fig. 4 is that the present invention is carried
For retarder baroswitch assembly circuit theory diagrams.As illustrated, the retarder baroswitch assembly bag that the present invention is provided
Switch main body 11, air pressure connecting hole 12, air valve seat 13 are included, wherein, the switch main body 11 is used to recognize atmospheric pressure value, reacts,
Output voltage signal, the switch main body has inserted sheet 111 and spring (not shown), for by wire harness and retarder phase
Even；The air pressure connecting hole 12 is used for connection brake source of the gas, gathers air pressure size；The switch main body 11 is installed on and is fixed on vehicle
Air valve seat 13 on.
Retarder baroswitch assembly of the prior art typically has four switch main bodies, and four different shelves are corresponded to respectively
Position, the switch main body is connected with brake piping, with the continuous increase of atmospheric pressure value, is deformed upon by flexible member, and four are opened
Close main body in turn switch on.Wherein, compared to corresponding two grades, third gear, the switch main body flexible member of fourth gear, one grade of switch main body
The rigidity of flexible member is minimum, and deformation quantity is maximum, and the frequency highest for deforming upon, when atmospheric pressure value reaches certain value, correspondence
One grade of switch main body flexible member is deformed upon so that the switch main body is first switched on, with the further increasing of atmospheric pressure value
Plus, the switch main body of two grades of correspondence is also switched on, and third gear, the connection process of fourth gear switch main body are corresponded to by that analogy.
Different from retarder baroswitch assembly of the prior art, retarder baroswitch assembly provided by the present invention
With two switch main bodies 11, two gears in each correspondence connection buffer controller of switch main body 11, realize that two are opened
Close the baroswitch control of main body control four gears of retarder.Specially：There are three inserted sheets on each switch main body 11
111, two inserted sheets therein are negative pole, are correspondingly connected to two different gears, and an inserted sheet C is positive pole, is connected to power supply.When
When atmospheric pressure value reaches certain value, one grade of correspondence, two grades of switch main body flexible member are deformed upon so that the circuit of one grade of correspondence
It is switched on, as atmospheric pressure value further increases, one grade of correspondence, two grades of switch main body flexible member are further deformed upon, and are made
The circuit that two grades must be corresponded to is switched on, so as to realize that four gears are progressively switched on as atmospheric pressure value is raised.When one grade, two grades
During connection, one grade of correspondence, the flexible member of two gear switch main bodys can limited piece it is spacing, it will not enter one with atmospheric pressure value again
Step increases further occur elastic deformation.
Fourth gear baroswitch assembly of the prior art, the rigidity of the spring in its each switch main body is fixed, and of the invention
The retarder baroswitch assembly for being provided, the spring in its switch main body is fundamentally changed rigidity, realizes a bullet
The control mode of spring two gears of correspondence, its deformable amount is big, and after long-term Reusability, its rigid not susceptible changes
It is less, it is ensured that the sensitivity of baroswitch and accuracy, reduce and drag sending out for phenomenon of stopping because elastic element rigidity changes to cause
Raw rate, improves reliability.
Compared with prior art, retarder baroswitch assembly provided by the present invention has advantages below：Firstth, spirit
Sensitivity is high, highly reliable, and flexible member in each switch main body two output ends of correspondence, its deformable amount is big, it is long-term repeatedly
After use, its rigidity not susceptible changes less, so as to ensure that sensitivity and the accuracy of baroswitch, reduce because
Elastic element rigidity changes and causes the incidence for dragging phenomenon of stopping, and improves reliability；Secondth, low cost of manufacture, is opened by two
The baroswitch control that main body realizes four gears is closed, the reduction of switch main body quantity is realized, meanwhile, corresponding wire harness end
Inserted sheet sum and wire harness are reduced, and reduce the manufacturing cost of retarder switch assembly.
If no special instructions, the herein presented qualifier similar to " first ", " second " does not mean that suitable to the time
The restriction of sequence, quantity or importance, and be used for the purpose of a technical characteristic in the technical program and another technology
Feature is mutually distinguished.Similarly, the herein presented qualifier similar to " " does not mean that the restriction to quantity, but describes
The technical characteristic not occurred above.Similarly, occur before number herein similar to " about ", " approx "
Modifier generally comprises this number, and its specific implication should understand with reference to context meaning.Similarly, only have specific
The noun of quantity measure word modification, otherwise should be regarded as herein i.e. comprising singulative again comprising plural form, in the technology
The individual technical characteristic of odd number can be included in scheme, it is also possible to including a plurality of technical characteristics.
The preferred embodiment of the simply present invention described in this specification, above example is only to illustrate the present invention
Technical scheme rather than limitation of the present invention.All those skilled in the art pass through under this invention's idea logic analysis, reasoning
Or the available technical scheme of limited experiment, all should be within the scope of the present invention.
Claims (6)
1. a kind of retarder baroswitch assembly, an including switch main body, an air pressure connecting hole, an air valve seat, the air pressure connects
Hole position is connect in the air valve seat, for connection brake source of the gas, air pressure size is gathered, the switch main body is installed on the air valve
On seat, for recognizing air pressure size, output voltage signal, it is characterised in that the retarder baroswitch assembly has two
The switch main body.
2. retarder baroswitch assembly as claimed in claim 1, it is characterised in that each described switch main body respectively has three
Individual inserted sheet.
3. retarder baroswitch assembly as claimed in claim 2, it is characterised in that the two of which in three inserted sheets
Inserted sheet is electrically connected by a wire harness with a controller of the retarder.
4. retarder baroswitch assembly as claimed in claim 3, it is characterised in that described two inserted sheets respectively with the control
Two gears electrical connection of device processed.
5. retarder baroswitch assembly as claimed in claim 4, it is characterised in that each described switch main body has a bullet
Property element, by the flexible member occur elastic deformation in turn switch on corresponding two gears of the switch main body.
6. retarder baroswitch assembly as claimed in claim 2, it is characterised in that one of them in three inserted sheets
Inserted sheet is by a wire harness and a power electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710021044.6A CN106653474A (en) | 2017-01-12 | 2017-01-12 | Air pressure switch assembly of retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710021044.6A CN106653474A (en) | 2017-01-12 | 2017-01-12 | Air pressure switch assembly of retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106653474A true CN106653474A (en) | 2017-05-10 |
Family
ID=58843069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710021044.6A Pending CN106653474A (en) | 2017-01-12 | 2017-01-12 | Air pressure switch assembly of retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106653474A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4788389A (en) * | 1986-12-19 | 1988-11-29 | Omco Co., Ltd. | Flow switch valve |
| CN2671893Y (en) * | 2003-12-11 | 2005-01-19 | 韩华 | Foot pedal pneumatic switch special for automobile speed slowing device |
| CN2671894Y (en) * | 2003-12-11 | 2005-01-19 | 韩华 | Foot pedal elexctromechanical switch special for automobile speed slowing device |
| CN2913111Y (en) * | 2006-07-12 | 2007-06-20 | 瑞立集团有限公司 | Multifunctional automobile braking valve |
| CN203996190U (en) * | 2014-07-28 | 2014-12-10 | 厦门厦工机械股份有限公司 | The safe priority device of mechanical loader braking |
| CN106218422A (en) * | 2016-08-03 | 2016-12-14 | 威德车业部件有限公司 | A kind of control system of retarder |
| CN206401231U (en) * | 2017-01-12 | 2017-08-11 | 泰乐玛汽车制动系统（上海）有限公司 | A kind of retarder baroswitch assembly |
-
2017
- 2017-01-12 CN CN201710021044.6A patent/CN106653474A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4788389A (en) * | 1986-12-19 | 1988-11-29 | Omco Co., Ltd. | Flow switch valve |
| CN2671893Y (en) * | 2003-12-11 | 2005-01-19 | 韩华 | Foot pedal pneumatic switch special for automobile speed slowing device |
| CN2671894Y (en) * | 2003-12-11 | 2005-01-19 | 韩华 | Foot pedal elexctromechanical switch special for automobile speed slowing device |
| CN2913111Y (en) * | 2006-07-12 | 2007-06-20 | 瑞立集团有限公司 | Multifunctional automobile braking valve |
| CN203996190U (en) * | 2014-07-28 | 2014-12-10 | 厦门厦工机械股份有限公司 | The safe priority device of mechanical loader braking |
| CN106218422A (en) * | 2016-08-03 | 2016-12-14 | 威德车业部件有限公司 | A kind of control system of retarder |
| CN206401231U (en) * | 2017-01-12 | 2017-08-11 | 泰乐玛汽车制动系统（上海）有限公司 | A kind of retarder baroswitch assembly |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170510 |
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| WD01 | Invention patent application deemed withdrawn after publication |