CN203117307U - Conducting ring noise testing device - Google Patents
Conducting ring noise testing device Download PDFInfo
- Publication number
- CN203117307U CN203117307U CN2013200996085U CN201320099608U CN203117307U CN 203117307 U CN203117307 U CN 203117307U CN 2013200996085 U CN2013200996085 U CN 2013200996085U CN 201320099608 U CN201320099608 U CN 201320099608U CN 203117307 U CN203117307 U CN 203117307U
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- conducting ring
- noise testing
- ring noise
- case
- signal conducting
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Abstract
The utility model discloses a conducting ring noise testing device. The conducting ring noise testing device comprises a power conducting ring noise testing box, an externally-arranged power source, an electronic load, a signal conducting ring noise testing box, a signal conducting ring amplifier and a multi-channel recorder, wherein the externally-arranged power source supplies power for the power conducting ring noise testing box and the electronic load, the power conducting ring noise testing box is connected with the electronic load, the signal conducting ring noise testing box is connected with the signal conducting ring amplifier, and the power conducting ring noise testing box and the signal conducting ring noise testing box are both connected with the multi-channel recorder. The conducting ring noise testing device is simple in structure, convenient to maintain, safe, reliable, small in size, light in weight, convenient to carry and operate, and capable of effectively and rapidly measuring noise of a conducting ring.
Description
Technical field
The utility model belongs to solar array driving mechanism field, is specifically related to a kind of conducting ring noise testing equipment.
Background technology
The conducting ring electrical noise performance of products such as solar array driving mechanism is a very important techniques index.The conducting ring noise is a kind of AC signal, and noise level was generally a few mVrms/A(rotational speeies 25 minutes/commentaries on classics under the normal condition).According to the character of electrical transmission, conducting ring generally is divided into power conducting ring and signal conducting ring.The power conducting ring can lead to bigger electric current, generally allows more than 1A.Signal conducting ring transmission of electric signals, electrical current is smaller, generally below 1A.
Therefore, need a kind of conducting ring noise testing equipment to be used for measuring the conducting ring electrical noise performance of products such as solar array driving mechanism.
The utility model content
The purpose of this utility model be at conducting ring electrical noise performance in the prior art for the importance of product, a kind of conducting ring noise testing equipment is provided.
For achieving the above object, the utility model conducting ring noise testing equipment can adopt following technical scheme:
A kind of conducting ring noise testing equipment, comprise power conducting ring noise testing case, external power supply, electronic load, signal conducting ring noise testing case, signal conducting ring amplifier and multichannel recorder, described external power supply is described power conducting ring noise testing case and electronic load power supply, described power conducting ring noise testing case connects described electronic load, described signal conducting ring test box connects described signal conducting ring amplifier, and described power conducting ring noise testing case all is connected described multichannel recorder with described signal conducting ring test box.
Further, described signal conducting ring amplifier comprises 50 times of amplifiers and 100 times of amplifiers.
Further, also comprise dynamic resistance observing and controlling case, described dynamic resistance observing and controlling case comprises industrial computer and data acquisition unit.Industrial computer is used for control and shows to have functions such as control, communication and data processing.Data acquisition unit is used for measuring the dynamic resistance value of conducting ring, and the data upload that collects is arrived computing machine.
Further, the port number of described power conducting ring noise testing case is 16.
Further, described signal conducting ring noise testing case comprises constant current source and general purpose instrument amplifier INA128, described constant current source is described signal conducting ring noise testing case power supply, and the noise output of described signal conducting ring noise testing case is exported to described multichannel recorder by general purpose instrument amplifier INA128.What general purpose instrument amplifier INA128 adopted is the designs of 3 amplifiers, even feedback current input circuit (G=100 o'clock 200kHz) under the high-gain condition also can provide wideer bandwidth.The internal noise of INA128 is very little, and when G 〉=100,0.1 to 10Hz low-frequency noise approximately has only 0.2 μ Vp-p, and this is also more much smaller than at present up-to-date low noise chopper amplifier.
Further, described constant current source comprises adjustable voltage-regulating ic device LM317.LM317 is a kind of integrated voltage stabilizer easy to use, widely used as the variable integrated three-terminal regulator block of output voltage.
Beneficial effect: conducting ring noise testing device structure of the present utility model is simple, maintains easily, and is safe and reliable.This equipment volume is little, in light weight, be easy to carry and operate, can be effectively and measure the noise of conducting ring fast.
Description of drawings
Fig. 1 is the principle schematic of conducting ring noise testing equipment of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only is used for explanation the utility model and is not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims institute restricted portion to the modification of the various equivalent form of values of the present utility model.
The method of testing of conducting ring noise is to adopt two ring series connection to form a current channel, leads to constant DC stream then, obtains the noise of conducting ring by signals collecting.General in test noise, also to measure the direct current pressure drop of conducting ring.
See also shown in Figure 1ly, conducting ring noise testing equipment of the present utility model comprises power conducting ring noise testing case, external power supply, electronic load, signal conducting ring noise testing case, signal conducting ring amplifier and multichannel recorder.Wherein, the port number of power conducting ring noise testing case is 16.External power supply is power conducting ring noise testing case and electronic load power supply, and power conducting ring noise testing case connects electronic load.Whole power conducting ring noise testing case is machined by the monoblock aluminium alloy, through the true qualities oxidation processes, have in light weight, advantages of high strength.
Signal conducting ring test box connects signal conducting ring amplifier, and power conducting ring noise testing case all is connected multichannel recorder with signal conducting ring test box.Wherein, signal conducting ring amplifier comprises 50 times of amplifiers and 100 times of amplifiers.Signal conducting ring noise testing case comprises constant current source and general purpose instrument amplifier INA128, constant current source is the power supply of signal conducting ring noise testing case, and the noise output of signal conducting ring noise testing case is exported to multichannel recorder by general purpose instrument amplifier INA128.What general purpose instrument amplifier INA128 adopted is the designs of 3 amplifiers, even feedback current input circuit (G=100 o'clock 200kHz) under the high-gain condition also can provide wideer bandwidth.The internal noise of INA128 is very little, and when G 〉=100,0.1 to 10Hz low-frequency noise approximately has only 0.2 μ Vp-p, and this is also more much smaller than at present up-to-date low noise chopper amplifier.Constant current source comprises adjustable voltage-regulating ic device LM317.LM317 is a kind of integrated voltage stabilizer easy to use, widely used as the variable integrated three-terminal regulator block of output voltage.
Also comprise dynamic resistance observing and controlling case, dynamic resistance observing and controlling case comprises industrial computer and data acquisition unit.Industrial computer is used for control and shows to have functions such as control, communication and data processing.Data acquisition unit is used for measuring the dynamic resistance value of conducting ring, and the data upload that collects is arrived computing machine.
Conducting ring noise testing device structure of the present utility model is simple, maintains easily, and is safe and reliable.This equipment volume is little, in light weight, be easy to carry and operate, can be effectively and measure the noise of conducting ring fast.
Claims (6)
1. conducting ring noise testing equipment, it is characterized in that, comprise power conducting ring noise testing case, external power supply, electronic load, signal conducting ring noise testing case, signal conducting ring amplifier and multichannel recorder, described external power supply is described power conducting ring noise testing case and electronic load power supply, described power conducting ring noise testing case connects described electronic load, described signal conducting ring test box connects described signal conducting ring amplifier, and described power conducting ring noise testing case all is connected described multichannel recorder with described signal conducting ring test box.
2. conducting ring noise testing equipment as claimed in claim 1 is characterized in that, described signal conducting ring amplifier comprises 50 times of amplifiers and 100 times of amplifiers.
3. conducting ring noise testing equipment as claimed in claim 1 is characterized in that, also comprises dynamic resistance observing and controlling case, and described dynamic resistance observing and controlling case comprises computing machine and data acquisition unit.
4. conducting ring noise testing equipment as claimed in claim 1 is characterized in that, the port number of described power conducting ring noise testing case is 16.
5. conducting ring noise testing equipment as claimed in claim 1, it is characterized in that, described signal conducting ring noise testing case comprises constant current source and general purpose instrument amplifier INA128, described constant current source is described signal conducting ring noise testing case power supply, and the noise output of described signal conducting ring noise testing case is exported to described multichannel recorder by general purpose instrument amplifier INA128.
6. conducting ring noise testing equipment as claimed in claim 5 is characterized in that, described constant current source comprises adjustable voltage-regulating ic device LM317.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200996085U CN203117307U (en) | 2013-03-05 | 2013-03-05 | Conducting ring noise testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200996085U CN203117307U (en) | 2013-03-05 | 2013-03-05 | Conducting ring noise testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203117307U true CN203117307U (en) | 2013-08-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200996085U Expired - Fee Related CN203117307U (en) | 2013-03-05 | 2013-03-05 | Conducting ring noise testing device |
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| CN (1) | CN203117307U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557389A (en) * | 2017-09-26 | 2019-04-02 | 南京淳泰控制设备有限公司 | A kind of signal conducting ring noise testing case |
| CN109579906A (en) * | 2017-09-28 | 2019-04-05 | 南京淳泰控制设备有限公司 | A kind of high stability driving test device |
| CN113820559A (en) * | 2021-09-30 | 2021-12-21 | 陕西航天时代导航设备有限公司 | Power ring array electrical noise test system |
-
2013
- 2013-03-05 CN CN2013200996085U patent/CN203117307U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109557389A (en) * | 2017-09-26 | 2019-04-02 | 南京淳泰控制设备有限公司 | A kind of signal conducting ring noise testing case |
| CN109579906A (en) * | 2017-09-28 | 2019-04-05 | 南京淳泰控制设备有限公司 | A kind of high stability driving test device |
| CN113820559A (en) * | 2021-09-30 | 2021-12-21 | 陕西航天时代导航设备有限公司 | Power ring array electrical noise test system |
| CN113820559B (en) * | 2021-09-30 | 2023-11-24 | 陕西航天时代导航设备有限公司 | Power ring array electric noise test system |
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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 |
Granted publication date: 20130807 Termination date: 20160305 |
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| CF01 | Termination of patent right due to non-payment of annual fee |