CN203299285U - Charged dust measurement system - Google Patents
Charged dust measurement system Download PDFInfo
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- CN203299285U CN203299285U CN2013202983836U CN201320298383U CN203299285U CN 203299285 U CN203299285 U CN 203299285U CN 2013202983836 U CN2013202983836 U CN 2013202983836U CN 201320298383 U CN201320298383 U CN 201320298383U CN 203299285 U CN203299285 U CN 203299285U
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- measurement system
- bucket
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Abstract
The utility model discloses a charged dust measurement system and relates to the technical field of charge measurement devices. The charged dust measurement system comprises an electronic balance, a power test instrument and a charged dust receiving device. The charged dust receiving device comprises a metal base, a metal outer cylinder, an insulated base, a metal inner cylinder and a metal cover plate. The metal outer cylinder is detachably fixed on the metal base, the insulated base is fixed in the metal outer cylinder, the metal inner cylinder is located on the insulated base, the metal cover plate covers an opening in the upper part of the metal outer cylinder, the metal base is provided with a conductive metal rod, one end of the conductive metal rod is in direct contact with the metal inner cylinder, the other end of the conductive metal rod is connected with the power test instrument through a conducting wire, and the conductive metal rod is fixed on the metal base through a shielded joint. The charged dust measurement system is capable of measuring quality and charge of dust dropped in unit time and on unit area so as to reduce the influence of charged dust to measurement results in the experiment process.
Description
Technical field
The utility model relates to the charge detecting device technical field, relates in particular to a kind of measuring system that is suitable for measuring the charged dust parameter of moonscape.
Background technology
In charged moon dust ground simulating process, need to obtain charged dust atmosphere data, namely need to obtain in the unit interval and quality and the electric weight of the dust that lands on unit area.Charged dust electrostatic is measured the effect due to external electrical field, will exert an influence to measurement result, therefore in measuring process, needs to carry out electrostatic screening.Existing electrostatic voltmeter, be divided into two types: contactless electrometer and contact-type electrostatic meter substantially in the market.Contactless electrometer generally has strict demand for measuring distance, and range of application is narrower.And the quantity of electric charge that the contact-type electrostatic meter produces also can't directly record dust and move in container or pipeline the time.In addition, use above-mentioned two kinds of electrometers can't record in the unit interval and the dust quality and the electric weight that on unit area, land.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of charged dust measurement system, described system can be measured in the unit interval and the dust quality and the electric weight that on unit area, land, thereby is reduced in the impact of charged dust on measurement result in experimentation.
for solving the problems of the technologies described above, technical solution adopted in the utility model is: a kind of charged dust measurement system, it is characterized in that comprising electronic balance, electricity meter and charged dust catching device, described charged dust catching device comprises metab, metal outer cylinder, insulator foot, bucket and metal cover board in metal, described metal outer cylinder is dismountable to be fixed on described metab, described insulator foot is fixed in described metal outer cylinder, in metal, bucket is positioned on described insulator foot, metal cover board seals the upper opening of described metal outer cylinder, on described metab, be provided with the conducting metal bar, one end of conducting metal bar directly contacts with the interior bucket of metal, the other end of conducting metal bar is connected with electricity meter by wire, the conducting metal bar is fixed on described metab by shielded joint.
Further: described charged dust catching device also comprises that the internal diameter of bucket in internal diameter and metal is identical and can be placed on the metal ring of metal outer cylinder upper opening.
Further: described charged dust catching device also comprises by the stepper motor support and is fixed on the stepper motor on metab, described stepper motor is connected with step motor control system by wire, and the output terminal of described stepper motor is fixedly connected with metal cover board.
Adopt the beneficial effect that technique scheme produces to be: at first to utilize electronic balance to record the gross mass that detachable metal urceolus and internal part thereof comprise bucket, metal ring and insulator foot in metal, but fix metal outer cylinder, be placed on charged dust atmosphere, by step motor control system, set the opening time of metal cover board
t, and record.Start stepper motor, stepper motor is opened metal cover board, and charged dust drops in the interior bucket of metal, after the time of uncapping arrives, by stepper motor, metal cover board is closed, make charged dust no longer fall into bucket in metal, by electricity meter, record the quantity of electric charge in bucket in metal
Q.Take off metal outer cylinder and utilize the gross mass after electronic balance is measured powder falling, deduct the dust quality that the front quality of powder falling obtains falling into bucket in metal
m.The internal diameter of measuring bucket in metal obtains bung area s in metal.Utilize formula Q/s.t can obtain unit interval unit area dust electric weight, utilize formula m/s.t can obtain unit interval unit area landing dust quality, thereby obtain charged dust atmosphere parameter, thereby be reduced in the impact of charged dust on measurement result in experimentation.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Wherein: 1, bucket 5, metal cover board 6, conducting metal bar 7, shielded joint 8, electricity meter 9, metal ring 10, stepper motor support 11, stepper motor 12, step motor control system in metab 2, metal outer cylinder 3, insulator foot 4, metal.
Embodiment
As shown in Figure 1, a kind of charged dust measurement system, comprise electronic balance, electricity meter 8 and charged dust catching device, and described charged dust catching device comprises bucket 4 and metal cover board 5 in metab 1, metal outer cylinder 2, insulator foot 3, metal.Described metal outer cylinder 2 is dismountable to be fixed on described metab 1, described insulator foot 3 is fixed in described metal outer cylinder 2, in metal, bucket 4 is positioned on described insulator foot 3, metal cover board 5 seals the upper opening of described metal outer cylinder 2, on described metab 1, be provided with conducting metal bar 6, one end of conducting metal bar 6 directly contacts with the interior bucket 4 of metal, the other end of conducting metal bar 6 is connected with electricity meter 8 by wire, and conducting metal bar 6 is fixed on described metab 1 by shielded joint 7.Further in order to increase the accuracy of measurement, described charged dust catching device also comprises in internal diameter and metal that barrels 4 internal diameter is identical and can be placed on the metal ring 9 of metal outer cylinder 2 upper openings.In order to increase the automaticity of described system, described charged dust catching device also comprises by stepper motor support 10 and is fixed on the stepper motor 11 on metab 1, described stepper motor 11 is connected with step motor control system 12 by wire, and the output terminal of described stepper motor 11 is fixedly connected with metal cover board 5.
Measuring principle: at first utilize electronic balance to record the gross mass that detachable metal urceolus and internal part thereof comprise bucket, metal ring and insulator foot in metal, but fix metal outer cylinder, be placed on charged dust atmosphere, by step motor control system, set the opening time of metal cover board
t, and record.Start stepper motor, stepper motor is opened metal cover board, and charged dust drops in the interior bucket of metal, after the time of uncapping arrives, by stepper motor, metal cover board is closed, make charged dust no longer fall into bucket in metal, by electricity meter, record the quantity of electric charge in bucket in metal
Q.Take off metal outer cylinder and utilize the gross mass after electronic balance is measured powder falling, deduct the dust quality that the front quality of powder falling obtains falling into bucket in metal
m.The internal diameter of measuring bucket in metal obtains bung area s in metal.Utilize formula Q/s.t can obtain unit interval unit area dust electric weight, utilize formula m/s.t can obtain unit interval unit area landing dust quality, thereby obtain charged dust atmosphere parameter, thereby be reduced in the impact of charged dust on measurement result in experimentation.
Claims (3)
1. charged dust measurement system, it is characterized in that comprising electronic balance, electricity meter (8) and charged dust catching device, described charged dust catching device comprises metab (1), metal outer cylinder (2), insulator foot (3), bucket (4) and metal cover board (5) in metal, described metal outer cylinder (2) is dismountable to be fixed on described metab (1), described insulator foot (3) is fixed in described metal outer cylinder (2), in metal, bucket (4) is positioned on described insulator foot (3), metal cover board (5) seals the upper opening of described metal outer cylinder (2), on described metab (1), be provided with conducting metal bar (6), one end of conducting metal bar (6) directly contacts with the interior bucket of metal (4), the other end of conducting metal bar (6) is connected with electricity meter (8) by wire, conducting metal bar (6) is fixed on described metab (1) by shielded joint (7).
2. a kind of charged dust measurement system according to claim 1, is characterized in that described charged dust catching device also comprises that internal diameter is identical with the internal diameter of bucket (4) in metal and can be placed on the metal ring (9) of metal outer cylinder (2) upper opening.
3. a kind of charged dust measurement system according to claim 1 and 2, it is characterized in that described charged dust catching device also comprises by stepper motor support (10) is fixed on the stepper motor (11) on metab (1), described stepper motor (11) is connected with step motor control system (12) by wire, and the output terminal of described stepper motor (11) is fixedly connected with metal cover board (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202983836U CN203299285U (en) | 2013-05-28 | 2013-05-28 | Charged dust measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202983836U CN203299285U (en) | 2013-05-28 | 2013-05-28 | Charged dust measurement system |
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| Publication Number | Publication Date |
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| CN203299285U true CN203299285U (en) | 2013-11-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013202983836U Expired - Fee Related CN203299285U (en) | 2013-05-28 | 2013-05-28 | Charged dust measurement system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954850A (en) * | 2014-04-22 | 2014-07-30 | 重庆大学 | Surface charge measuring system with external motion control mechanism and measuring method |
| CN104390690A (en) * | 2014-12-15 | 2015-03-04 | 中冶长天国际工程有限责任公司 | Calibration method and device of dust collection amount of electronic dust collector |
| CN108627226A (en) * | 2017-05-10 | 2018-10-09 | 新疆畜牧科学院畜牧业质量标准研究所 | Electric field same sex electrostatic charge mutual exclusion formula lint weighing apparatus |
| CN110554254A (en) * | 2019-09-23 | 2019-12-10 | 华北电力大学 | observing device for metal dust adsorption and accumulated charges of GIS or GIL equipment |
-
2013
- 2013-05-28 CN CN2013202983836U patent/CN203299285U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103954850A (en) * | 2014-04-22 | 2014-07-30 | 重庆大学 | Surface charge measuring system with external motion control mechanism and measuring method |
| CN104390690A (en) * | 2014-12-15 | 2015-03-04 | 中冶长天国际工程有限责任公司 | Calibration method and device of dust collection amount of electronic dust collector |
| CN108627226A (en) * | 2017-05-10 | 2018-10-09 | 新疆畜牧科学院畜牧业质量标准研究所 | Electric field same sex electrostatic charge mutual exclusion formula lint weighing apparatus |
| CN108627226B (en) * | 2017-05-10 | 2024-06-07 | 新疆畜牧科学院畜牧业质量标准研究所 | Electric field homopolar electrostatic charge mutual exclusion type plush weighing device |
| CN110554254A (en) * | 2019-09-23 | 2019-12-10 | 华北电力大学 | observing device for metal dust adsorption and accumulated charges of GIS or GIL equipment |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20131120 Termination date: 20160528 |