CN203053528U - Permanent magnet spring balance for demonstration - Google Patents
Permanent magnet spring balance for demonstration Download PDFInfo
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- CN203053528U CN203053528U CN 201320016715 CN201320016715U CN203053528U CN 203053528 U CN203053528 U CN 203053528U CN 201320016715 CN201320016715 CN 201320016715 CN 201320016715 U CN201320016715 U CN 201320016715U CN 203053528 U CN203053528 U CN 203053528U
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Abstract
The utility model discloses a permanent magnet spring balance for demonstration. The permanent magnet spring balance for demonstration is composed of a load-bearing system, a force conversions system and a display system. The load-bearing system comprises an upper carrier plate, a lower base plate, a guide post, a linear bearing, permanent magnets, a sensor fixing plate, a bracket base plate, a flange plate, a cylindrical pipe, an upper glass cover and a lower glass cover. The force conversion system is mainly composed of a displacement sensor and a circuit control module, the circuit control module is composed of a central control unit, a nixie tube display circuit and a rechargeable power supply control circuit. The display system is composed of nixie tube displayers. The top surface of the lower base plate and the bottom surface of the upper carrier plate are respectively provided with the permanent magnets, the permanent magnet on the upper carrier plate and the permanent magnet on the lower base plate are in the same position in the horizontal direction, and are mounted correspondingly according to the same polarity. The displacement sensor is mounted on the sensor fixing plate, the sensor fixing plate is mounted at the center of the lower base plate, and the signal emitting end of the sensor is vertically upward. The permanent magnet spring balance for demonstration can be used as a normal weighing device, and also can be used as a technology model for technology education, and so on.
Description
Technical field
The utility model is a kind of displaying permanent magnetic spring scale.Be specially a kind of permanent magnetic spring scale of employing displacement transducer of the principle based on homopolar-repulsion.The utility model belongs to fields such as measurement mechanism, model exhibition.
Background technology
The conventional springs scale generally adopts mechanical spring as the core work device, in use can produce damage to mechanical spring, thereby causes the deterioration in accuracy of spring balance, to generation in the serviceable life influence in various degree of spring balance.The utility model is at the deficiencies in the prior art, proposed a kind of reasonable in design, novel structure, easy to operate, interesting and interactive strong based on the principle of permanent magnet homopolar-repulsion, and can show weight in real time, easy-to-read permanent magnetic spring scale.
The utility model content
The utility model utilizes the principle of permanent magnet homopolar-repulsion, and purpose is to measure the weight that comprises human body or object.To achieve these goals, the utility model is realized by the following technical solutions:
A kind of displaying is made up of load bearing system, power converting system and display system with the permanent magnetic spring scale.Load bearing system comprises upper plate, lower shoe, guide pillar, linear bearing, permanent magnet, sensor fixation plate, support base plate, ring flange, cylindrical tube, upper glass cover, lower-glass cover; The power converting system comprises displacement transducer and circuit control module, and the circuit control module is by centralized control unit, and charactron display circuit and chargeable power control circuit are formed; Display system is made up of the charactron display.
The end face of described lower shoe and the bottom surface of upper plate are installed four permanent magnets respectively, and the upper plate permanent magnet is identical with lower shoe permanent magnet position in the horizontal direction, adopt the corresponding installation of identical polar, i.e. the extremely corresponding S utmost point of the extremely corresponding N utmost point of N, or S.Make upper plate be suspended in the top of lower shoe according to permanent magnet homopolar-repulsion principle.
Described upper plate is installed four linear bearings, is linked and packed by four guide pillars and lower shoe.Described linear bearing is as guide piece, and this guide piece is the rolling friction device, or the sliding friction device.When the permanent magnetic spring scale is in running order, rolling friction or sliding friction take place between guide piece and the guide rail, so the frictional resistance of its generation is very little.
Described displacement transducer is installed on the sensor fixation plate, and sensor fixation plate is installed in the middle of lower shoe, and the signal transmitting terminal that displacement transducer must guarantee sensor when mounted vertically upward.
Described support base plate is installed in the end face of lower shoe, and ring flange is fixedly mounted on the support base plate, and cylindrical tube is installed in the endoporus of ring flange by cooperation.
Affiliated upper glass cover is installed in upper plate, and the lower-glass cover is installed in lower shoe.Upper glass cover and lower-glass cover play the safeguard protection effect.
Described display is installed in the cylindrical tube top, and the circuit control module is housed in display, and the circuit input/output terminal of displacement transducer links to each other with the circuit control module.Centralized control unit in the circuit control module transmits the signal of returning to displacement transducer to be handled, and the quality size is shown on the charactron display.Described display is equipped with rechargeable battery, can be the power control circuit charging of circuit control module.
The utility model proposes a kind of permanent magnetic spring scale of employing displacement transducer of the principle based on homopolar-repulsion.That this utility model has is reasonable in design, novel structure, failure rate are low, stable performance, easy to operate, real-time demonstration, and interesting and interactive advantage such as by force.The utility model can be used as common weighing device and uses, and also can be used as scientific and technological model and carries out uses such as education of science and technology.
Description of drawings
Fig. 1: front view of the present utility model.
Fig. 2: vertical view of the present utility model.
Fig. 3: circuit theory diagrams of the present utility model.
Among the figure: 1. rubber blanket, 2. lower shoe, 3. guide pillar, 4. upper plate, 5. linear bearing, 6. permanent magnet, 7. upper glass cover, 8. lower-glass cover, 9. displacement transducer, 10. sensor fixation plate, 11. the support base plate, 12. ring flanges, 13. cylindrical tube, 14. displays, 15. circuit control modules.
Embodiment:
1-Fig. 2 adopts conventional processing to design, process and assemble by reference to the accompanying drawings.
Linear bearing 5 is installed in the upper plate 4, permanent magnet 6 also is installed on the bottom surface of upper plate 4 abreast, permanent magnet should guarantee that in installation process the one side of identical polar is consistent in direction.After upper plate and lower shoe are aligned installation by guide pillar, make the upper plate permanent magnet identical with lower shoe permanent magnet position in the horizontal direction, guarantee that simultaneously the permanent magnet of upper plate and the permanent magnet of lower shoe adopt the corresponding installation of identical polarity, the i.e. extremely corresponding S utmost point of the extremely corresponding N utmost point of N, or S.Upper plate 4 is chosen as aluminum alloy materials, also is chosen as non-magnetic conductive metal material.
Support base plate 11 is installed on the assigned address of lower shoe 2 end faces, and ring flange 12 is fixedly mounted on the support base plate 11, and cylindrical tube 13 is installed in by cooperation in the endoporus of ring flange 12, and display 14 is fixed on the cylindrical tube top.Support base plate 11, ring flange 12, cylindrical tube 13 are chosen as stainless steel material, also are chosen as other metal materials.
In this example, displacement transducer 9 is selected laser displacement sensor for use, and laser displacement sensor is a kind of new type measuring instrument table, and its advantage is to realize contactless telemeasurement, and speed is fast, the precision height, and range is big, and anti-light, electrical interference ability are strong etc.Laser displacement sensor is installed on the sensor fixation plate 10, and sensor fixation plate 10 is installed in the middle of lower shoe 5, and laser displacement sensor must guarantee laser diode vertically upward when mounted.
After more than assembling finished, upper glass cover 7 was installed on the upper plate 4, and lower-glass cover 8 is installed on the lower shoe 2.Upper glass cover 7 and lower-glass cover 8 play the safeguard protection effect.
Display is equipped with circuit control module 15 for 14 li, and the input end of circuit control module is connected with laser displacement sensor, and output terminal is connected with display 14.Centralized control unit in the circuit control module transmits the signal of returning to laser displacement sensor to be handled, and the quality size is shown on the charactron display.Display is equipped with rechargeable battery, can be the power control circuit charging of circuit control module.
The circuit theory diagrams of this example are as shown in Figure 3:
The circuit control module is by centralized control unit, and charactron display circuit and chargeable power control circuit are formed.The generating laser of laser displacement sensor by camera lens with red color visible laser directive testee surface, pass through the receiver camera lens through the object laser light reflected, received by inner CCD linear camera, according to different distances, the CCD linear camera can " be seen " this luminous point under different angles.According to this angle and known laser and the distance between the camera, digital signal processor just can calculate the distance between sensor and the testee.Centralized control unit adopts the single chip computer AT MEGA8 that contains the A/D conversion, and the charactron display circuit comprises charactron driving circuit MAX7219 and three charactrons.Centralized control unit is gathered laser displacement sensor with the shift simulation signal, and by analog-and digital-processing of circuit, data analysis is demarcated, and sets up calculated with mathematical model and goes out corresponding output valve, presses non-linear ratio's outputting standard digital signal, and is shown by charactron.
The design feature of this circuit control module:
1, have voltage stabilizer and battery dual power supply function, and battery charger and show integratedly, can charge at any time, need not dismounting, convenient and practical.
2, adopt laser displacement sensor to realize noncontacting measurement, speed is fast, the precision height, and anti-light, electrical interference ability are strong etc.
3, adopt the microprocessor of self-contained A/D conversion, simple in structure, use flexibly.
4, by parameter calibration, realize non-linear ratio's mode construction mathematical model, improve measuring accuracy.
5, three charactrons show, and are clear and intuitive.
More than being a preferred embodiment of the present utility model, is not to be to restriction of the present utility model, and content of the present utility model also is not limited only to this.The variation of making in essential scope of the present utility model, remodeling, interpolation or the replacement etc. of the art all should belong to protection domain of the present utility model.
Claims (1)
1. displaying permanent magnetic spring scale, it is characterized in that: it comprises load bearing system, power converting system and display system;
Load bearing system comprises lower shoe, guide pillar, upper plate, linear bearing, permanent magnet, upper glass cover, lower-glass cover, sensor fixation plate, support base plate, ring flange, cylindrical tube; The power converting system comprises displacement transducer and circuit control module, and the circuit control module comprises centralized control unit, charactron display circuit and chargeable power control circuit; Display system is made up of the charactron display; The upper plate of permanent magnetic spring scale and lower shoe are installed four permanent magnets respectively, and the upper plate permanent magnet is identical with lower shoe permanent magnet position in the horizontal direction, adopt the corresponding installation of identical polarity, i.e. the extremely corresponding S utmost point of the extremely corresponding N utmost point of N, or S; Make upper plate be suspended in the top of lower shoe according to permanent magnet homopolar-repulsion principle; Upper plate is installed four linear bearings, is linked and packed by four guide pillars and lower shoe; Linear bearing can be the rolling friction device as guide piece, or the sliding friction device; Displacement transducer is installed on the sensor fixation plate, and sensor fixation plate is installed in the middle of lower shoe, and the signal transmitting terminal that displacement transducer must guarantee sensor when mounted vertically upward; The support base plate is installed in the end face of lower shoe, and ring flange is fixedly mounted on the support base plate, and cylindrical tube is installed in the endoporus of ring flange by cooperation; The upper glass cover is installed in upper plate, and the lower-glass cover is installed in lower shoe; Display is installed in the cylindrical tube top, and the circuit control module is housed in display, and the circuit input/output terminal of displacement transducer links to each other with the circuit control module; Displacement transducer is passed to the circuit control module by the distance between detecting sensor and the testee with signal; Centralized control unit adopts the single chip computer AT MEGA8 that contains the A/D conversion, and the charactron display circuit comprises charactron driving circuit MAX7219 and three charactrons; Centralized control unit in the circuit control module transmits the signal of returning to displacement transducer to be handled, and the quality size is shown on the charactron display; Display is equipped with rechargeable battery, can be the power control circuit charging of circuit control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016715 CN203053528U (en) | 2013-01-11 | 2013-01-11 | Permanent magnet spring balance for demonstration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320016715 CN203053528U (en) | 2013-01-11 | 2013-01-11 | Permanent magnet spring balance for demonstration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203053528U true CN203053528U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320016715 Expired - Lifetime CN203053528U (en) | 2013-01-11 | 2013-01-11 | Permanent magnet spring balance for demonstration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203053528U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225522A (en) * | 2018-02-07 | 2018-06-29 | 福州大学 | A kind of logistics dynamic weigher and its weighing method |
| CN110426107A (en) * | 2019-09-09 | 2019-11-08 | 苏州钮曼精密机电科技有限公司 | A kind of weighing device and weighing system |
| CN114563071A (en) * | 2022-02-28 | 2022-05-31 | 郑州业伟实业有限公司 | Automatic monitoring device for truck load weighing |
-
2013
- 2013-01-11 CN CN 201320016715 patent/CN203053528U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108225522A (en) * | 2018-02-07 | 2018-06-29 | 福州大学 | A kind of logistics dynamic weigher and its weighing method |
| CN110426107A (en) * | 2019-09-09 | 2019-11-08 | 苏州钮曼精密机电科技有限公司 | A kind of weighing device and weighing system |
| CN114563071A (en) * | 2022-02-28 | 2022-05-31 | 郑州业伟实业有限公司 | Automatic monitoring device for truck load weighing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130710 |
|
| CX01 | Expiry of patent term |