CN102037820A - Novel intelligent cropper pressure sensor - Google Patents
Novel intelligent cropper pressure sensor Download PDFInfo
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- CN102037820A CN102037820A CN 201010269949 CN201010269949A CN102037820A CN 102037820 A CN102037820 A CN 102037820A CN 201010269949 CN201010269949 CN 201010269949 CN 201010269949 A CN201010269949 A CN 201010269949A CN 102037820 A CN102037820 A CN 102037820A
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- pressure sensor
- base
- novel intelligent
- contact chip
- loam cake
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Abstract
The invention discloses a novel intelligent cropper pressure sensor comprising a base and a top cover, wherein an on-off control structure for controlling the working condition of a cropper is arranged between the base and the top cover; and the on-off control structure comprises a contact piece assembly and a trigger part, wherein the contact piece assembly is fixedly connected on the top cover and connected with the working circuit of the copper in series, the trigger part is arranged on the base and used for triggering the contact piece assembly to operate, the trigger part comprises a trigger column arranged on the base, and the trigger column is also provided with a stretching regulation structure. The invention can effectively avoid influence on the operation of the on-off control structure because of trace deformation when the product enclosure is produced or the size errors caused by installing the enclosure; in addition, the invention has the advantages of simple structure, high sensitivity, precise control and stable and reliable measurement range and improves product quality.
Description
Technical field
The present invention relates to the pressure sensor of intelligent grass-removing.
Background technology
Along with the increasingly mature of grass-removing robot technology and some safety requirements, pressure sensor just progressively is applied in the intelligent grass-removing.China national Department of Intellectual Property has announced one on September 26th, 2007 and has been called pressure sensor, notification number is the patent of invention of CN200952967, according to its specification in conjunction with Figure of description as can be known: this pressure sensor comprises loam cake, pcb board and the pressure chip that is connected with pcb board point of being with exploration hole, pressure chip is by pcb board and loam cake clamping, the induction terminal of pressure chip is corresponding with the pressure exploration hole position of loam cake, on cover and be provided with Elastic buckle, pcb board is provided with the hole clipping suitable with Elastic buckle; The buckle of fixing in hole clipping fixed loam cake, pcb board and pressure chip three relative position.But this pressure sensor structure complexity is installed inconvenience, and needs more complicated judging circuit, and cost is also high.
Summary of the invention
The object of the present invention is to provide a kind of novel intelligent mower pressure sensor, have simple in structure, highly sensitive, control accurately, the advantage that measurement category is reliable and stable has improved the quality of product.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: novel intelligent mower pressure sensor, comprise interconnective base and loam cake, it is characterized in that: the break-make control structure that is provided with control mower duty between described base and loam cake, described break-make control structure comprises being fixedly connected on the contact chip assembly of connecting with the mower operating circuit that covers and being located at being used on the base and triggers the triggering portion of contact chip assembly action that described triggering portion and contact chip inter-module maintain is scheduled to safe spacing N.
Preferably, the top of described base one side is provided with joint pin, described loam cake bottom is provided with the link slot corresponding with joint pin, be socketed with elastic component on the described joint pin, the two ends of described elastic component prop up joint pin respectively and the link slot end makes joint pin top end face and link slot bottom face keep a moving interval M.
The setting of described break-make control structure also can adopt following structure to replace, be that the break-make control structure comprises that two are fixedly connected on contact chip on the base, isolate by insulating part between two contact chips, contact chip extends to the below of loam cake bottom, and the loam cake bottom promotes two contact chips and contacts.
Preferably, described triggering portion comprises the trigger column that is located on the base, also is provided with the telescopic adjustment structure on the trigger column.
Preferably, described telescopic adjustment structure is adjustment screw, and is simple in structure.
Described break-make control structure replaces with the top that is arranged on the base opposite side, the break-make control structure comprises that two are fixedly connected on contact chip on the base, isolate by insulating part between two contact chips, contact chip extends to the below of loam cake bottom, and the loam cake bottom promotes two contact chips and contacts.
Preferably, cover on described and be provided with internal thread hole and corresponding fastening bolt, described fastening bolt passes the contact chip assembly from bottom to up and is connected and realizes the fixing of contact chip in the internal thread hole, and fixed form is reliable.
Preferably, cover on described and be provided with fixed leg, described internal thread hole is located on the fixed leg.
Improved, the joint pin center is provided with pilot hole, is provided with the lead corresponding with pilot hole in the base, by this guide frame, guarantees the reliability that loam cake moves up and down, and also limits the horizontal movement of loam cake.
Preferably, elastic component adopts spring or rubber elastomer, and reliable operation is cheap.
The present invention is owing to adopted technique scheme, setting by the break-make control structure, effectively realized the pressure sensing effect, when reaching limit value, accurately realizes pressure the break-make of mower, this alternative structure judging circuit is simple, have only two kinds of situations of switch on and off, cost is cheap than sensor, the mechanical part of this alternative structure is simple and reliable for structure simultaneously, assemble easy, wherein the telescopic adjustment structure be provided with can effectively avoid since the scale error that the micro-deformation that exists aborning of product case or casing exist when installing to the influence of break-make control structure action, simple in structure, highly sensitive, control accurately, measurement category is reliable and stable, has improved the quality of product.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is the structural representation of novel intelligent mower pressure sensor of the present invention;
Fig. 2 is the structural representation behind Fig. 1 pressurized;
Fig. 3 is an I place structure for amplifying schematic diagram among Fig. 1;
Fig. 4 is an II place structure for amplifying schematic diagram among Fig. 1;
Fig. 5 is an another embodiment of the present invention.
Embodiment
Be novel intelligent mower pressure sensor of the present invention as shown in Figures 1 to 4, comprise interconnective base 1 and loam cake 2, be provided with the break-make control structure of control mower duty between described base and loam cake, described break-make control structure comprises being fixedly connected on the contact chip assembly 4 of connecting with the mower operating circuit on the loam cake 2 and being located at being used on the base and triggers the triggering portion of contact chip assembly action, described triggering portion and contact chip inter-module maintain predetermined safe spacing N, described triggering portion comprises the trigger column 7 that is located on the base, also be provided with the distance that the telescopic adjustment structure is used to adjust triggering portion and contact chip inter-module on the trigger column and make it reach predetermined safe spacing N, the telescopic adjustment structure optimization is an adjustment screw 5.
Described base 1 and loam cake 2 can be for being rigidly connected, and be fixedly connected as direct screw; Also can adopt flexible way to connect, it is structure shown in Figure 1, joint pin 11 is established at its top in base 1 one sides, be provided with the link slot corresponding 21 in the loam cake bottom with joint pin, be socketed with elastic component 3 on the described joint pin, elastic component adopts spring or rubber elastomer, and the two ends of described elastic component prop up joint pin 11 respectively and link slot 21 ends make joint pin top end face and link slot bottom face keep a moving interval M, and described predetermined safe spacing N is smaller or equal to moving interval M.
Described contact chip assembly 4 can be selected to be made of two parallel contact chips, isolate by insulating part between two contact chips, two contact chips are drawn a wire respectively and are connected in the mower operating circuit, in this case, the spacing that the action triggers displacement of break-make control structure is two contact chips in the contact chip assembly 4 adds the predetermined safe spacing N of triggering portion and contact chip inter-module, and its spacing sum is smaller or equal to moving interval M.N can be 0, i.e. the action triggers displacement of break-make control structure is the spacing of two contact chips in the contact chip assembly 4.
Loam cake described in the present invention 1 is provided with internal thread hole 13 and corresponding fastening bolt 6, described fastening bolt 6 passes contact chip assembly 4 from bottom to up and is connected in the internal thread hole 13 and realizes the fixing of contact chip assembly 4, fixed form is reliable, cover on specifically described and be provided with fixed leg 8, described internal thread hole 13 is located on the fixed leg, reduce material usage and cost, alleviate product weight.Described joint pin 11 centers are provided with pilot hole 12, are provided with the lead 22 corresponding with pilot hole 12 in the base 1, can limit loam cake 2 and move in the certain limit in the horizontal direction when playing the guiding role.A plurality of these alternative structure can be set on mower, reduce, improve its induction sensitivity, can avoid using a plurality of pressure sensors pressure distribution inequality of bringing and the shortcoming of calculating inconvenience loam cake 2 rigidity requirements.
The assembly of contact chip described in the present invention also can adopt other structure.
As Fig. 5, break-make control structure of the present invention also can replace with the top that is arranged on the base opposite side, the break-make control structure comprises that two are fixedly connected on contact chip 41 on the base 1, isolate by insulating part between two contact chips, contact chip extends to the below of loam cake 2 bottoms, and loam cake 2 bottoms promote two contact chips and contact.Base is provided with internal thread hole 13 and corresponding fastening bolt 6, and fastening bolt 6 passes two contact chips from top to bottom and connects the fixing of internal thread hole realization contact chip 41.
When mower was subjected to external pressure, spring was compressed, and when spring was compressed to as shown in Figure 2 state, two contact chips of contact chip assembly 4 contacted, line conduction, mower break-off.External pressure disappears or is reduced to limit value when following, and spring begins to recover deformation, and the restoring force of spring promotes loam cake 2 and moves upward, and two contact chips break away from, the circuit disconnection, and mower is resumed work.
Claims (8)
1. novel intelligent mower pressure sensor, comprise interconnective base (1) and loam cake (2), it is characterized in that: the break-make control structure that is provided with control mower duty between described base (1) and loam cake, described break-make control structure comprises being fixedly connected on the contact chip assembly (4) of connecting with the mower operating circuit on the loam cake (2) and being located at being used on the base (1) and triggers the triggering portion of contact chip assembly action that described triggering portion and contact chip inter-module maintain is scheduled to safe spacing N.
2. novel intelligent mower pressure sensor according to claim 1, it is characterized in that: the top of described base (1) one side is provided with joint pin (11), described loam cake (2) bottom is provided with the link slot (21) corresponding with joint pin (11), be socketed with elastic component (3) on the described joint pin, the two ends of described elastic component prop up joint pin (11) respectively and link slot (21) end makes joint pin top end face and link slot bottom face keep a moving interval M.
3. novel intelligent mower pressure sensor according to claim 1 and 2, it is characterized in that: described triggering portion (7) comprises the trigger column (7) that is located on the base, also is provided with the distance that telescopic adjustment structure (5) is used to adjust triggering portion and contact chip inter-module on the trigger column (7) and makes it reach predetermined safe spacing N.
4. novel intelligent mower pressure sensor according to claim 1 and 2 is characterized in that: described telescopic adjustment structure (5) is an adjustment screw.
5. novel intelligent mower pressure sensor according to claim 3, it is characterized in that: described loam cake (2) is provided with internal thread hole (13) and corresponding fastening bolt (6), and described fastening bolt (6) passes contact chip assembly (4) from bottom to up and is connected middle the fixing of contact chip assembly (4) of realizing of internal thread hole (13).
6. novel intelligent mower pressure sensor according to claim 5 is characterized in that: cover on described and be provided with fixed leg (8), described internal thread hole is located on the fixed leg.
7. novel intelligent mower pressure sensor according to claim 1 and 2 is characterized in that: described joint pin (11) center is provided with pilot hole (12), is provided with the lead corresponding with pilot hole (22) in the described base (1).
8. novel intelligent mower pressure sensor according to claim 1 and 2 is characterized in that: described elastic component (3) adopts spring or rubber elastomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102699493A CN102037820B (en) | 2010-08-31 | 2010-08-31 | Novel intelligent cropper pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102699493A CN102037820B (en) | 2010-08-31 | 2010-08-31 | Novel intelligent cropper pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102037820A true CN102037820A (en) | 2011-05-04 |
| CN102037820B CN102037820B (en) | 2012-07-25 |
Family
ID=43904636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102699493A Expired - Fee Related CN102037820B (en) | 2010-08-31 | 2010-08-31 | Novel intelligent cropper pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102037820B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662629A (en) * | 2016-03-17 | 2016-06-15 | 宁波市北仑康煜电器科技有限公司 | Overvoltage protection electric toothbrush |
| CN106612974A (en) * | 2016-12-14 | 2017-05-10 | 浙江亚特电器有限公司 | Safety-protection mowing machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3169358A (en) * | 1960-12-22 | 1965-02-16 | Toro Mfg Corp | Automatic safety switch mechanism for a tractor mounted rotary power mower |
| US3736729A (en) * | 1972-02-28 | 1973-06-05 | Cooper Manufacturing Co Inc | Safety interlock system |
| JP3238314B2 (en) * | 1995-11-07 | 2001-12-10 | 株式会社クボタ | Work vehicle |
| JP2002127949A (en) * | 2000-10-23 | 2002-05-09 | Komatsu Zenoah Co | Safety device of riding type mowing machine |
| CN2556770Y (en) * | 2002-06-10 | 2003-06-18 | 怡人工艺品（宁波）有限公司 | Microswitch |
| CN201054336Y (en) * | 2007-04-25 | 2008-04-30 | 邹清良 | Pressure switch |
| CN201888102U (en) * | 2010-08-31 | 2011-07-06 | 浙江亚特电器有限公司 | Pressure sensor of novel intelligent mower |
-
2010
- 2010-08-31 CN CN2010102699493A patent/CN102037820B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3169358A (en) * | 1960-12-22 | 1965-02-16 | Toro Mfg Corp | Automatic safety switch mechanism for a tractor mounted rotary power mower |
| US3736729A (en) * | 1972-02-28 | 1973-06-05 | Cooper Manufacturing Co Inc | Safety interlock system |
| JP3238314B2 (en) * | 1995-11-07 | 2001-12-10 | 株式会社クボタ | Work vehicle |
| JP2002127949A (en) * | 2000-10-23 | 2002-05-09 | Komatsu Zenoah Co | Safety device of riding type mowing machine |
| CN2556770Y (en) * | 2002-06-10 | 2003-06-18 | 怡人工艺品（宁波）有限公司 | Microswitch |
| CN201054336Y (en) * | 2007-04-25 | 2008-04-30 | 邹清良 | Pressure switch |
| CN201888102U (en) * | 2010-08-31 | 2011-07-06 | 浙江亚特电器有限公司 | Pressure sensor of novel intelligent mower |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105662629A (en) * | 2016-03-17 | 2016-06-15 | 宁波市北仑康煜电器科技有限公司 | Overvoltage protection electric toothbrush |
| CN105662629B (en) * | 2016-03-17 | 2018-04-10 | 宁波市北仑康煜电器科技有限公司 | A kind of overvoltage protection electric toothbrush |
| CN106612974A (en) * | 2016-12-14 | 2017-05-10 | 浙江亚特电器有限公司 | Safety-protection mowing machine |
| CN106612974B (en) * | 2016-12-14 | 2022-12-13 | 浙江亚特电器股份有限公司 | Safety protection's lawn mower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102037820B (en) | 2012-07-25 |
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Granted publication date: 20120725 Termination date: 20160831 |