CN202855142U - Boyle law experiment device - Google Patents
Boyle law experiment device Download PDFInfo
- Publication number
- CN202855142U CN202855142U CN 201220466334 CN201220466334U CN202855142U CN 202855142 U CN202855142 U CN 202855142U CN 201220466334 CN201220466334 CN 201220466334 CN 201220466334 U CN201220466334 U CN 201220466334U CN 202855142 U CN202855142 U CN 202855142U
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- China
- Prior art keywords
- piston
- syringe
- pressure transducer
- plate
- cylinder
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- Expired - Fee Related
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Abstract
The utility model discloses a Boyle law experiment device which comprises a piston, a cylinder, a pressure transducer and a support frame, wherein the support frame consists of a bottom plate, two bracket rods vertically arranged on the bottom plate in parallel, and an upper plate; the two ends of the upper plate are fixed on the two bracket rods, and the upper plate is parallel to the bottom plate; the upper part of the cylinder is fixed on the upper plate in a suspension manner and a needle hole at the bottom of the cylinder faces downwards; the head part of the piston is arranged in the cylinder, the periphery of the piston is in sealed contact with the inner wall of the cylinder, a piston rod of the piston drives the head part of the piston to slide in the cylinder, and the pressure transducer is in sealed connection with the needle hole at the bottom of the cylinder. The Boyle law experiment device can detect the volume-pressure change value, is accurate in measurement, simple in operation and cheap in price, and is suitable for teachings for middle schools.
Description
Technical field
The utility model relates to a kind of experiment equipment, in particular, relates to a kind of Boyle law tester.
Background technology
In the prior art, the gas of certain mass, when temperature-resistant, what the detection of pressure was used is mechanical air pressure gauge outfit, and needle deflection is not obvious, and measuring accuracy is low, and inconvenient middle school teaching uses.
The utility model content
Technical problem to be solved in the utility model is, overcomes the shortcoming of prior art, provides a kind of and measures accurately, handled easily, is fit to the Boyle law tester that middle school teaching uses.
In order to solve above technical matters, the utility model provides a kind of Boyle law tester, comprise piston, syringe, pressure transducer and bracing frame, support frame as described above is comprised of two cradling pieces and the upper plate that base plate, parallel vertical are arranged on the base plate, described upper plate two ends are fixed on described two cradling pieces, and parallel with described base plate; Described syringe top is fixed on and is hanging like and bottom pin hole on the described upper plate down; The head of described piston is arranged in the described syringe, and its excircle contacts with the syringe inner wall sealing, and the piston rod drive piston crown that has by piston slides in described syringe, and the pin hole of described pressure transducer and described syringe bottom is tightly connected.
The technical scheme that the utility model further limits is, also comprise a piston plate and two sliding bars, described two sliding bars are the connection bracket bar respectively, and the upwards vertically extension from the cradling piece top, described piston plate two ends are slidingly connected with described sliding bar respectively, the piston rod part that described piston has is fixed on described piston plate middle part, utilizes piston plate and sliding bar to mention and presses down convenient operation to piston.
Further, also comprise a silicone tube, an end of described silicone tube links to each other with described pressure transducer, and the pin hole of the other end and syringe bottom is tightly connected, and is convenient to guarantee pressure transducer detection data under the condition of sealing.。
Further, the capacity of described syringe is 50ml, has increased the scope of measurement data.
Further, described pressure transducer is the digitizing pressure transducer, makes measurement more accurate, and data read more accurate.
The beneficial effects of the utility model are: a kind of Boyle law tester described in the utility model, do not need directly to contact syringe with hand, gas in the convenient compression syringe, obtain more data point, utilize pressure transducer real-time detection volume-pressure change numerical value, measure accurately, simple to operate, low price is fit to use in the middle school teaching.
Description of drawings
Fig. 1 is the structural representation of experimental provision described in the utility model;
Fig. 2 is the analysis data that experimental provision described in the utility model is tested.
Among the figure:
1, piston plate; 2, sliding bar; 3, upper plate; 4, syringe; 5, cradling piece; 6, base plate.
Embodiment
A kind of Boyle law tester that present embodiment provides compresses gas, and detects the pressure behind the gas compression, and pressure is sent to computing machine, stores, shows and analyze.
The structure of Boyle law tester described in the utility model comprises piston, syringe 4, pressure transducer and bracing frame as shown in Figure 1.
Bracing frame is comprised of base plate 6, cradling piece 5 and upper plate 3, and cradling piece 5 is two, and parallel vertical is arranged on the base plate, and upper plate 3 two ends are fixed on two cradling pieces 5, and parallel with base plate 6.
Syringe 4 is common syringe, and material adopts glass or PVC, and capacity is 50ml.Syringe 4 tops are fixed on the upper plate 3 of bracing frame, are hanging like and bottom pin hole down, and in when experiment, syringe 4 does not rock, and guarantee moving up and down smoothly of piston, and provide convenience for the measurement of pressure transducer.
Piston crown is arranged in the syringe 4, and its excircle contacts with the syringe inner wall sealing, and the piston rod that has by piston drives piston crown in syringe 4 interior slips.Piston tail is arranged at outside the syringe 4, on put forward or press down piston tail, piston crown is moved up and down, change the gas volume in the syringe.
Pressure transducer is the digitizing pressure transducer, and the one end is connected by the osculum of silicone tube with described syringe bottom, and the other end is connected with the computing machine that is used for test.Detect in real time the pressure of syringe inside, and pressure information is sent to computing machine, computing machine is stored pressure information, show and is analyzed.
In addition, in the present embodiment, in order to make things convenient for the operation of piston, also comprise respectively connection bracket bar 5 of a piston plate 1 and 2, two sliding bars of two sliding bars 2, and upwards vertically extend from the cradling piece top.Piston plate 1 two ends are slidingly connected with sliding bar 2 respectively, and the piston rod part that described piston has is fixed on piston plate 1 middle part, and 2 pairs of piston plates of sliding bar play the effect of support.When piston is operated, direct control piston plate 1, piston plate 1 moves up and down by sliding bar 2.
During the described a kind of Boyle law tester work of present embodiment, be communicated with the power supply of computing machine, piston plate is mentioned topmost, make the gas volume in the syringe 4 reach 50ml.Press piston plate with subordinate, the minimum volume of compression is 20mL to 15mL, in the process that presses down, pressure transducer detects the pressure in the syringe 4 in real time, and pressure data is sent to computing machine, computing machine receives pressure information, information is stored, shown and analyzes resulting analysis data as shown in Figure 2.
In addition to the implementation, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (5)
1. Boyle law tester, it is characterized in that, comprise piston, syringe (4), pressure transducer and bracing frame, support frame as described above is comprised of two cradling pieces (5) and the upper plate (3) that base plate (6), parallel vertical are arranged on the base plate, described upper plate (3) two ends are fixed on described two cradling pieces (5), and parallel with described base plate (6); Described syringe (4) top is fixed on and is hanging like and bottom pin hole on the described upper plate (3) down; The head of described piston is arranged in the described syringe, and its excircle contacts with the syringe inner wall sealing, and the piston rod drive piston crown that has by piston slides in described syringe, and the pin hole of described pressure transducer and described syringe bottom is tightly connected.
2. a kind of Boyle law tester according to claim 1, it is characterized in that, also comprise a piston plate (1) and two sliding bars (2), described two sliding bars (2) are connection bracket bar (5) respectively, and the upwards vertically extension from the cradling piece top, described piston plate (1) two ends are slidingly connected with described sliding bar (2) respectively, and the piston rod part that described piston has is fixed on described piston plate (1) middle part.
3. a kind of Boyle law tester according to claim 1 and 2 is characterized in that, also comprises a silicone tube, and an end of described silicone tube links to each other with described pressure transducer, and the pin hole of the other end and syringe bottom is tightly connected.
4. a kind of Boyle law tester according to claim 1 and 2 is characterized in that, the capacity of described syringe is 50ml.
5. a kind of Boyle law tester according to claim 1 and 2 is characterized in that, described pressure transducer is the digitizing pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220466334 CN202855142U (en) | 2012-09-13 | 2012-09-13 | Boyle law experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220466334 CN202855142U (en) | 2012-09-13 | 2012-09-13 | Boyle law experiment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855142U true CN202855142U (en) | 2013-04-03 |
Family
ID=47986313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220466334 Expired - Fee Related CN202855142U (en) | 2012-09-13 | 2012-09-13 | Boyle law experiment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855142U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867444A (en) * | 2012-09-13 | 2013-01-09 | 江苏苏威尔科技有限公司 | Boyle's law experimental device |
| CN103345868A (en) * | 2013-07-23 | 2013-10-09 | 湖州文思必得科教仪器有限公司 | Boyles law demonstration device |
-
2012
- 2012-09-13 CN CN 201220466334 patent/CN202855142U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102867444A (en) * | 2012-09-13 | 2013-01-09 | 江苏苏威尔科技有限公司 | Boyle's law experimental device |
| CN103345868A (en) * | 2013-07-23 | 2013-10-09 | 湖州文思必得科教仪器有限公司 | Boyles law demonstration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20210913 |