CN203242218U - Integrated Newton's third law tester - Google Patents
Integrated Newton's third law tester Download PDFInfo
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- CN203242218U CN203242218U CN 201320046042 CN201320046042U CN203242218U CN 203242218 U CN203242218 U CN 203242218U CN 201320046042 CN201320046042 CN 201320046042 CN 201320046042 U CN201320046042 U CN 201320046042U CN 203242218 U CN203242218 U CN 203242218U
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- power probe
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Abstract
An integrated Newton's third law tester comprises a housing, a cover plate, a first force probe, a second force probe, a connecting piece, a first push-pull member, a second push-pull member, a display device and a circuit board provided with a control circuit. The cover plate is detachably arranged on the housing. The housing is provided with a guide groove. The first force probe and the second force probe are arranged inside the guide groove in a slidable way and along the length direction of the guide groove. The first force probe is connected with the second force probe through the connecting piece. The first force probe end face and the second force probe end face far away from each other are respectively provided with the first push-pull member and the second push-pull member. The circuit board and the display device are both arranged on the housing. The tester has the advantages of convenient use and high test result accuracy.
Description
Technical field
The utility model relates to a kind of integrated ox three law testers.
Background technology
The content of Newton third law is mainly: the acting force between two objects and reacting force be equal and opposite in direction always, and opposite direction is on the same straight line.
Present DIS(digital information system, the digital information system) in the experiment, mainly comprise power probe, collector and three parts of computer, during experiment, two power probe is applied power, collector is sent to respectively analysis and the demonstration that computer carries out data with the experimental data that two power sensors gather by data line, so, will be difficult to realize producing simultaneously the experiment condition of acting force and reacting force.In addition, the DIS experimental provision connects complicated, very loaded down with trivial details of operation, and be subject to the restriction of laboratory environment, and must rely on computer to process experimental result, very inconvenient.Moreover in two power of push-and-pull probe, the direction that is difficult to guarantee two acting forces obviously so can accurately not verified Newton third law on the same straight line.
The utility model content
For the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of easy to use and integrated ox three law testers that the experimental result degree of accuracy is high.
For achieving the above object, the utility model adopts following technical scheme:
A kind of integrated ox three law testers, the circuit board that it comprises housing, cover plate, the first power probe, the second power probe, web member, the first pull-push piece, the second pull-push piece, display device and is provided with control circuit;
Cover plate is removably installed on the housing, this housing is offered a gathering sill, the first power probe and the second power probe are slidably mounted in the gathering sill and along the length direction of gathering sill to be arranged, the first power probe connects the second power probe by web member, the first power probe and the second power pop one's head in relative away from end face be respectively equipped with this first pull-push piece and the second pull-push piece; Circuit board and display device all are installed on the housing;
This first power probe and the second power probe are used for respectively the acting force of the first pull-push piece and the second pull-push piece being converted in real time the electric signal of correspondence; This control circuit is used for generating experimental data according to the electric signal that the first power is popped one's head in and the second power probe sends, and this display device is used for the experimental data that display control circuit generates.
This display device is installed between the upper limb of the left side wall of housing and right side wall, and this cover plate is offered the opening that a size and display device are complementary, and this opening is over against this display device.
Integrated ox three law testers also comprise an alarm module, this control circuit also is used for the difference of the electric signal of the first power probe and the second power probe is compared with the permissible error scope of presetting, in difference during not at the permissible error value range, the control circuit control alarm module signal that gives the alarm; This control circuit also is used for experimental data and the experimental error scope of presetting are compared, and when experimental data exceeds the experimental error scope, drives alarm module and sounds the alarm.
This control circuit comprises first signal amplification module, secondary signal amplification module, the first analog-to-digital conversion module and the second analog-to-digital conversion module, processor, rechargeable battery and power switch;
The first power probe passes through successively the first signal amplification module and is connected analog-to-digital conversion module connection processor, the second power probe passes through successively the secondary signal amplification module and is connected analog-to-digital conversion module connection processor, and display device, alarm module, rechargeable battery are used for powering to tester by power switch;
Input to processor after the electric signal process signal amplification that the first power probe and the second power probe generate and the analog to digital conversion, this processor generates curve map or the tables of data that reflects two acting forces and time relationship according to the signal that receives, and shows by display device.
This control circuit also comprises the memory module that is connected with processor, and memory module is used for the experimental data that storage of processor generates.
Alarm module is loudspeaker.
This control circuit also comprises the charging inlet that is connected with rechargeable battery, the data transmission interface that links to each other with processor and wireless communication module.
The first pull-push piece and the second pull-push piece pass respectively two opposite end walls of housing, and this first pull-push piece and the second pull-push piece are positioned on the same straight line that is parallel to the gathering sill length direction, the left side wall of housing is offered two spaced strip the first guide grooves along its length, the right side wall of housing is offered the second guide groove of two sizes and the first guide groove coupling, and two the second guide grooves are respectively over against two the first guide grooves;
The left surface of the first power probe and the second power probe respectively is provided with two spaced the first sliding parts, the right flank of the first power probe and the second power probe respectively is provided with two spaced the second sliding parts, the first sliding part of the first power probe and the second power probe is slidably mounted on respectively in two first guide grooves, and the second sliding part of the first power probe and the second power probe is slidably mounted on respectively in two second guide grooves; Offer an accommodating cavity in the diapire of housing, circuit board is contained in this accommodating cavity.
The first sliding part and the second sliding part are by rotating shaft and be sheathed on the outer bearing formation of rotating shaft; The first pull-push piece and the second pull-push piece are pull bar; Web member is rigid connecting rod; The surperficial friction factor of each of this gathering sill is less than 0.01.
This display device comprises inputting interface and display interface; Inputting interface be provided with turn over button, down turn over button, start button, stop key, sampling rate button, playback button and switching key; This display device is liquid crystal touch screen.
The beneficial effects of the utility model are as follows:
1, the gathering sill of housing can be so that the first power be popped one's head in and the second sensor remains on the same straight line, two opposite end walls of housing play support and position-limiting action so that the acting force of the first and second pull-push piece remains on the same straight line as far as possible to the first and second pull-push piece respectively, thereby can so that experimental result meets acting force and the requirement of reacting force on same straight line of Newton third law, be conducive to improve the experiment degree of accuracy.
2, this tester carries display device, need not to connect computing machine, and the experimental data that detects can show intuitively by display device, very convenient consulting.The form of all right curve map of this display device or data drawing list is switched the demonstration experimental data, and by the sampling rate button experimental period is set, by on turn over button and consult upper one group of data, by under turn over button consult next the group data, but stop to receive electric signal by the control processor that stops key, can automatically sequentially show by the playback button and respectively to organize data, simple to operation, can improve conventional efficient.
3, this tester can gather the experimental data of the acting force of the first pull bar and the second pull bar simultaneously, thereby so that experimental result more meets Newton third law, improves the experiment degree of accuracy.
4, be provided with for the memory module of storing experimental data, this tester can connect computing machine by data transmission interface, further processes conveniently to copy experimental data to computing machine, also can pass through wireless communication module wireless connections computing machine, to simplify line.
Description of drawings
Fig. 1 is the stereographic map of the preferred embodiments of the integrated ox three law testers of the utility model.
Fig. 2 is the stereographic map after the integrated ox three law testers of Fig. 1 take off cover plate.
Fig. 3 is the stereographic map after the integrated ox three law testers of Fig. 1 take off cover plate and display device.
Fig. 4 is the right view of the integrated ox three law testers of Fig. 1.
Fig. 5 is the module diagram of the integrated ox three law testers of Fig. 1.
Fig. 6 and Fig. 7 are the synoptic diagram of display device of the integrated ox three law testers of Fig. 1.
Component symbol
131, guide groove; 121, guide groove; 95, wireless communication module; 90, cover plate; 83, memory module; 82, power switch; 81, alarm module; 79, nulling switch; 78, the second analog-to-digital conversion module; 77, charging inlet; 76, rechargeable battery; 75, data transmission interface; 74, processor; 73, the first analog-to-digital conversion module; 72, secondary signal amplification module; 71, first signal amplification module; 70, control circuit; 50, web member; 40, display device; 33, the second pull-push piece; 30, the second power probe; 28, the first sliding part; 24, the second sliding part; 23, the first pull-push piece; 20, the first power probe; 13, right side wall; 12, left side wall; 11, gathering sill; 10, housing.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described further:
See also Fig. 1 to 5, the utility model relates to a kind of integrated ox three law testers, and its preferred embodiments comprises housing 10, cover plate 90, the first power probe the 20, second power probe 30, web member 50, the first pull-push piece 23, the second pull-push piece 33, display device 40, alarm module 81, is provided with the circuit board of control circuit 70.
Cover plate 90 is removably installed on the housing 10, this housing 10 is offered a strip gathering sill 11, the left side wall 12 of housing 10 is offered two spaced strip guide grooves 121 along its length, the right side wall 13 of housing 10 is offered the guide groove 131 of two sizes and guide groove 121 couplings, and two guide grooves 131 are respectively over against two guide grooves 121.
The first power probe the 20 and second power probe 30 is installed in the gathering sill 11 of housing 10 and along the length direction of gathering sill 11 and arranges, the left surface of the first power probe the 20 and second power probe 30 respectively is provided with two spaced the first sliding parts 28, the right flank of the first power probe the 20 and second power probe 30 respectively is provided with two spaced the second sliding parts 24, the first sliding part 28 of the first power probe the 20 and second power probe 30 is slidably mounted on respectively in two guide grooves 121, the second sliding part 24 of the first power probe the 20 and second power probe 30 is slidably mounted on respectively in two guide grooves 131, so that the first power probe the 20 and second power probe 30 can be along the length direction relative sliding of gathering sill 11, the first power probe 20 and the second power probe 30 relative away from end face respectively be provided with this first pull-push piece 23 and the second pull-push piece 33, the first pull-push piece 23 and the second pull-push piece 33 pass respectively two opposite end walls of housing 10, the first power probe 20 be connected the power 30 relative end faces of popping one's head in and connect by web member 50.
In the present embodiment, this first sliding part 28 and the second sliding part 24 are by rotating shaft and be sheathed on the outer bearing formation of rotating shaft.The first pull-push piece 23 and the second pull-push piece 33 are pull bar.Web member 50 is rigid connecting rod.In the present embodiment, these gathering sill 11 each surperficial friction factor are less than 0.01, so that the resistance that the first power probe 20 produces during with the second power probe 30 relative gathering sill 11 relative sliding can ignore, thus raising experimental result degree of accuracy.
This display device 82 is installed between the upper limb of the left side wall 12 of housing 10 and right side wall 13, this cover plate 90 is offered the opening that a size and display device 82 are complementary, and this opening is over against this display device 82, so, the opening that the experimenter can see through cover plate 90 is watched the shown experimental result of display device 82, and is very directly perceived.This display device 40 comprises inputting interface and display interface.Inputting interface be provided with turn over button, down turn over button, start button, stop key, sampling rate button, playback button and switching key.This display device 40 can be LCDs or touch-screen.
Offer an accommodating cavity in the diapire of housing 10, circuit board is contained in this accommodating cavity.
This control circuit 70 comprises first signal amplification module 71 and secondary signal amplification module 72, the first analog-to-digital conversion module 73 and the second analog-to-digital conversion module 78, processor 74, data transmission interface 75, rechargeable battery 76, memory module 83, charging inlet 77, nulling switch 79 and power switch 82.
The first power probe 20 passes through successively first signal amplification module 71 and is connected analog-to-digital conversion module 73 connection processors 74, the second power probe 30 passes through successively secondary signal amplification module 72 and is connected analog-to-digital conversion module 78 connection processors 74, display device 40, data transmission interface 75, memory module 83, nulling switch 79, alarm module 81, rechargeable battery 76 connect charging inlet 77, and rechargeable battery 76 is used for by power switch 82 power supplies to tester.
This data transmission interface 75 and charging inlet 77 all are located on the left side wall 12 of housing 10.In the present embodiment, data transmission interface 75 and charging inlet 77 are the RJ11 interface.
This alarm module 81 is loudspeaker.
The below is described the principle of work of preferred embodiments of the present utility model:
Start tester by power switch 82, push away or spur the first pull-push piece 23 and the second pull-push piece 33, the first power probe the 20 and second power probe 30 is converted to corresponding electric signal with the acting force of the first pull-push piece 23 and the second pull-push piece 33 respectively in real time, electric signal then be exaggerated with analog to digital conversion after input processor 74, processor 74 with the signal storage that receives in memory module 83, and the difference of acting force and reacting force and default permissible error scope (for example 2% measured value) compared, in difference not at the permissible error value range, then drive alarm module 81 and sound the alarm, prompting operation person's checking experiment device and standard experimental implementation.After finishing experimental period, processor 74 generates curve map or the tables of data (such as Fig. 6 and Fig. 7) that experimental data for example reflects two acting forces and time relationship according to the signal that receives, and whether the relation of judging two acting forces exceeds default experimental error scope, when exceeding the experimental error scope, then driving alarm module 81 sounds the alarm, to remind this failure of an experiment of operator, re-start experiment.
Trigger the startup button of display device 40, display device 40 can show to come curve map or the tables of data of self processor 74 in real time, the operator can be switched demonstration curve map or tables of data (such as Fig. 6 and Fig. 7) in display device 40 by switching key, by the sampling rate button experimental period can be set, by on turn over button and can consult upper one group of data, by under turn over button can consult next the group data, but stop to receive electric signal by the control processor 74 that stops key, can automatically sequentially show by the playback button and respectively organize data.So, need not to connect computing machine can consult experimental data, very convenient.
When needing experimental data copied to computing machine and further process, can pass through data line connection data transmission interface 75 and computing machine, can copy the experimental data of 83 li storages of memory module to computing machine.Certainly, also can directly show the experimental data of memory module 83 by display device 40, to carry out historical review and analysis.
For simplifying line, this control circuit 70 comprises that also one is used for the wireless communication module 95 of wireless connections intelligent electronic device, so, the mode that this tester namely can wireless transmission sends to intelligent electronic device such as computer, panel computer, smart mobile phone etc. with experimental data.
Certainly and since electronic product self in use error can become greatly, before beginning each experimental period, carry out zero setting by nulling switch 79 and calibrate.
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion should belong within the protection domain of the utility model claim all.
Claims (10)
1. integrated ox three law testers is characterized in that: the circuit board that it comprises housing, cover plate, the first power probe, the second power probe, web member, the first pull-push piece, the second pull-push piece, display device and is provided with control circuit; Cover plate is removably installed on the housing, this housing is offered a gathering sill, the first power probe and the second power probe are slidably mounted in the gathering sill and along the length direction of gathering sill to be arranged, the first power probe connects the second power probe by web member, the first power probe and the second power pop one's head in relative away from end face be respectively equipped with this first pull-push piece and the second pull-push piece; Circuit board and display device all are installed on the housing; This first power probe and the second power probe are used for respectively the acting force of the first pull-push piece and the second pull-push piece being converted in real time the electric signal of correspondence; This control circuit is used for generating experimental data according to the electric signal that the first power is popped one's head in and the second power probe sends, and this display device is used for the experimental data that display control circuit generates.
2. integrated ox three law testers as claimed in claim 1, it is characterized in that: this display device is installed between the upper limb of the left side wall of housing and right side wall, this cover plate is offered the opening that a size and display device are complementary, and this opening is over against this display device.
3. integrated ox three law testers as claimed in claim 1, it is characterized in that: integrated ox three law testers also comprise an alarm module, this control circuit also is used for the difference of the electric signal of the first power probe and the second power probe is compared with the permissible error scope of presetting, in difference during not at the permissible error value range, the control circuit control alarm module signal that gives the alarm; This control circuit also is used for experimental data and the experimental error scope of presetting are compared, and when experimental data exceeds the experimental error scope, drives alarm module and sounds the alarm.
4. integrated ox three law testers as claimed in claim 3, it is characterized in that: this control circuit comprises first signal amplification module, secondary signal amplification module, the first analog-to-digital conversion module and the second analog-to-digital conversion module, processor, rechargeable battery and power switch; The first power probe passes through successively the first signal amplification module and is connected analog-to-digital conversion module connection processor, the second power probe passes through successively the secondary signal amplification module and is connected analog-to-digital conversion module connection processor, and display device, alarm module, rechargeable battery are used for powering to tester by power switch; Input to processor after the electric signal process signal amplification that the first power probe and the second power probe generate and the analog to digital conversion, this processor generates curve map or the tables of data that reflects two acting forces and time relationship according to the signal that receives, and shows by display device.
5. integrated ox three law testers as claimed in claim 4, it is characterized in that: this control circuit also comprises the memory module that is connected with processor, memory module is used for the experimental data that storage of processor generates.
6. integrated ox three law testers as claimed in claim 4, it is characterized in that: alarm module is loudspeaker.
7. integrated ox three law testers as claimed in claim 4, it is characterized in that: this control circuit also comprises the charging inlet that is connected with rechargeable battery, the data transmission interface that links to each other with processor and wireless communication module.
8. integrated ox three law testers as claimed in claim 1, it is characterized in that: the first pull-push piece and the second pull-push piece pass respectively two opposite end walls of housing, and this first pull-push piece and the second pull-push piece are positioned on the same straight line that is parallel to the gathering sill length direction, the left side wall of housing is offered two spaced strip the first guide grooves along its length, the right side wall of housing is offered the second guide groove of two sizes and the first guide groove coupling, and two second guide grooves are respectively over against two first guide grooves; The left surface of the first power probe and the second power probe respectively is provided with two spaced the first sliding parts, the right flank of the first power probe and the second power probe respectively is provided with two spaced the second sliding parts, the first sliding part of the first power probe and the second power probe is slidably mounted on respectively in two first guide grooves, and the second sliding part of the first power probe and the second power probe is slidably mounted on respectively in two second guide grooves; Offer an accommodating cavity in the diapire of housing, circuit board is contained in this accommodating cavity.
9. integrated ox three law testers as claimed in claim 8 is characterized in that: the first sliding part and the second sliding part are by rotating shaft and be sheathed on the outer bearing of rotating shaft and consist of; The first pull-push piece and the second pull-push piece are pull bar; Web member is rigid connecting rod.
10. integrated ox three law testers as claimed in claim 1, it is characterized in that: this display device comprises inputting interface and display interface; Inputting interface be provided with turn over button, down turn over button, start button, stop key, sampling rate button, playback button and switching key; This display device is liquid crystal touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320046042 CN203242218U (en) | 2013-01-28 | 2013-01-28 | Integrated Newton's third law tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320046042 CN203242218U (en) | 2013-01-28 | 2013-01-28 | Integrated Newton's third law tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203242218U true CN203242218U (en) | 2013-10-16 |
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ID=49319490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320046042 Withdrawn - After Issue CN203242218U (en) | 2013-01-28 | 2013-01-28 | Integrated Newton's third law tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203242218U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093670A (en) * | 2013-01-28 | 2013-05-08 | 深圳市申议实业有限公司 | Newton's third law experimental apparatus |
-
2013
- 2013-01-28 CN CN 201320046042 patent/CN203242218U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093670A (en) * | 2013-01-28 | 2013-05-08 | 深圳市申议实业有限公司 | Newton's third law experimental apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131016 Effective date of abandoning: 20150415 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20131016 Effective date of abandoning: 20150415 |
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| RGAV | Abandon patent right to avoid regrant |