CN204287245U - A kind of power supply ripple test connector - Google Patents
A kind of power supply ripple test connector Download PDFInfo
- Publication number
- CN204287245U CN204287245U CN201420759657.1U CN201420759657U CN204287245U CN 204287245 U CN204287245 U CN 204287245U CN 201420759657 U CN201420759657 U CN 201420759657U CN 204287245 U CN204287245 U CN 204287245U
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- electric
- oscilloprobe
- power supply
- contact
- insulation sleeve
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Abstract
The utility model discloses the insulation sleeve that a kind of power supply ripple test connector comprises one end open, in insulation sleeve, be provided with clamping chamber; Be located at two electric-conductors in clamping chamber, an electric-conductor and the electrical contact of ground wire metallic sheath, another electric-conductor and oscillographic probe electrical contact; Connectorless between two electric-conductors; Two contact pins, two contact pins are all installed in one end relative with the openend of insulation sleeve; Two described contact pins and two electric-conductor electrical contacts one to one; Every root contact pin is equipped with a welding end.When carrying out line ripple test to the power supply on circuit board, oscilloprobe is put into clamping chamber, under the effect in clamping chamber, oscilloprobe contacts with two electric-conductors are stable, indirectly realizes stable electrical with two contact pins and contacts.After again two contact pins being inserted socket on circuit boards, realize oscilloprobe and be connected with the stable electrical of test target, make test result accurate.Again because of the contact stabilization of two contact pins and socket, make the noise introduced in test process little.
Description
Technical field
The utility model relates to Electronic Testing Technology field, particularly relates to a kind of power supply ripple test connector.
Background technology
Ripple is a kind of phenomenon caused due to the voltage fluctuation of DC stable power supply, because DC stable power supply is generally formed through links such as rectifying and voltage-stabilizings by AC power, these are just inevitably how many with some Alternating Components in DC stabilization amount, and this AC compounent be superimposed upon in DC stabilization amount is just referred to as ripple.
Usual employing oscillograph detects ripple, and oscilloprobe to the accuracy of measurement result and correctness most important, it is the electronic unit connecting circuit-under-test and oscillograph input end, and namely oscilloprobe is in test point or establishes a physics between signal source and oscillograph and be connected with electronics.As shown in Figure 1, existing oscilloprobe comprises oscilloprobe main body 2, one end of this oscilloprobe main body 2 is connected with oscillograph cable 1, and the other end is connected with electronics link, and this electronics link comprises ground wire metallic sheath 3, insulator 4 and single probe 5 successively.When using oscillograph testing power supply ripple, oscilloprobe and test target are set up the mode be electrically connected and are: by ground wire metallic sheath 3 to contact power ground, carried out the other end of contact measured power supply by probe 5.By oscilloprobe with set up with the power supply on the circuit board of socket electronics be connected time, the oscilloprobe of single probe 5 cannot and socket between realize stable electrical connection, then cause test very inconvenient.
For above-mentioned technical matters, current settling mode is: insert a contact pin (two holes of socket are for replacing the two ends of circuit board power source) in two holes of socket on circuit boards respectively, the two ends of the power supply on circuit board are drawn by two contact pins.Allow during test the ground wire metallic sheath 3 of oscilloprobe with represent the contact pin that power ground contacts and contact, allow the probe 5 of oscilloprobe contact with the contact pin of the other end representing power supply, thus achieve the electrical connection between oscilloprobe and test target (power supply on circuit board).Learn through putting into practice for a long time, above-mentioned settling mode can introduce noise because of loose contact, and is unfavorable for that continuous several times measures multiple target.
Utility model content
The purpose of this utility model is to provide a kind of power supply ripple test connector, and oscilloprobe and test target stable electrical link together as intermediary by this connector, thus makes ripple test convenient and result is accurate, and the noise of introducing is little.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of power supply ripple test connector comprises the insulation sleeve of one end open, is provided with the clamping chamber for clamping oscilloprobe in described insulation sleeve; Be located at two electric-conductors in described clamping chamber, a described electric-conductor is used for the ground wire metallic sheath electrical contact with described oscilloprobe, and electric-conductor described in another is used for and described oscillographic probe electrical contact; Connectorless between two described electric-conductors; Two for being inserted in the contact pin on the socket on circuit, two described contact pins are all installed in one end relative with the openend of described insulation sleeve; Two described contact pins and two described electric-conductor electrical contacts one to one; And contact pin described in every root is equipped with a welding end.
Optimal way is, the inner chamber in described clamping chamber comprises cylindrical cavity section and inverted taper type chamber section, described cylindrical cavity section end face toward the outer side and the openend homonymy of described insulation sleeve.
Optimal way is, two described electric-conductors all select elastic sheet metal.
Optimal way is, the end face that described insulation sleeve is relative with openend is provided with the manhole for allowing described oscillographic probe pass.
After adopting technique scheme, the beneficial effects of the utility model are: because power supply ripple test connector of the present utility model comprises the insulation sleeve of one end open, are provided with the clamping chamber for clamping oscilloprobe in this insulation sleeve.When carrying out the test of the power supply ripple on circuit board, after in two holes of two contact pins of the present utility model being inserted socket on circuit boards, then oscilloprobe is put into clamping chamber.After completing above-mentioned connection, the ground wire metallic sheath of oscilloprobe realizes electrical contact by an electric-conductor and a contact pin, and realizes electrical contact by the power ground on this contact pin and circuit board; In like manner oscillographic probe realizes electrical contact by another electric-conductor and another root contact pin, and realizes electrical contact by the other end of the power supply on this contact pin and circuit board; Namely use the utility model to be established with test target by oscilloprobe to be electrically connected.Because the utility model is connected with the socket on circuit board by two contact pins, many relative to the single probe stable connection of oscilloprobe, thus electrical contact in ripple test process is stablized, and then make test result accurate, the noise of introducing is little.Again because using the electrical contact between the oscillograph of the utility model foundation and test target fast very convenient, thus make test easy.Load on circuit board also can be drawn by the welding end of other two contact pins.
Because the inner chamber clamping chamber comprises cylindrical cavity section and inverted taper type chamber section, wherein cylindrical cavity section end face toward the outer side and the openend homonymy of insulation sleeve, the inner chamber in this clamping chamber is consistent with the shape of the ground wire metallic sheath of oscilloprobe and insulator, be beneficial to stable clamping oscilloprobe, and then making test result accurate, the noise of introducing is little.
Because end face that insulation sleeve is relative with openend is provided with the manhole for allowing oscillographic probe pass, when this structure makes the size of oscilloprobe be greater than the size in clamping chamber, the probe of oscilloprobe stretches out from manhole, makes the utility model can be good at clamping oscilloprobe.
Accompanying drawing explanation
Fig. 1 is the structural representation of oscilloprobe of the present utility model;
Fig. 2 is the structural representation of ripple test connector of the present utility model;
Fig. 3 is the sectional view of ripple test connector device of the present utility model on oscilloprobe;
In figure: 1-oscillograph cable, 2-oscilloprobe main body, 3-ground wire metallic sheath, 4-insulator, 5-probe, 6-round insulation cover, 8-contact pin, 80-welding end, 9-manhole, 10-upper shell fragment, 11-lower shell fragment, 12-clamping chamber, 120-cylindrical cavity section, 121-taper type chamber section.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The oscilloprobe that the present embodiment uses as shown in Figure 1, this oscilloprobe comprises oscilloprobe main body 2, one end of this oscilloprobe main body 2 is connected with oscillograph cable 1, the other end is connected with the ground wire metallic sheath 3 of cylindrical shape, is provided with insulator 4 and the probe 5 of cylindrical shape below ground wire metallic sheath 3 successively.
As shown in Figures 2 and 3, a kind of insulation sleeve of power supply ripple test connector one end open, the insulation sleeve of the present embodiment selects round insulation to overlap 6.The clamping chamber 12 for clamping oscilloprobe is provided with in this round insulation cover 6, the inner chamber in this clamping chamber 12 comprises cylindrical cavity section 120 and inverted taper type chamber section 121, wherein cylindrical cavity section 120 end face toward the outer side and openend homonymy, and round insulation cover 6 with the end face of openend homonymy on be provided with manhole 9.Wherein cylindrical cavity section 120 conforms to the shape of the ground wire metallic sheath 3 of oscilloprobe, and be beneficial to oscilloprobe and insert, the shape of taper type chamber section 121 is convenient to clamp insulator 4 at end.
As shown in Figure 3, two electric-conductors are provided with, connectorless between two electric-conductors in clamping chamber 12.The electric-conductor of the present embodiment all selects elastic sheet metal, and one of them elastic sheet metal extends in cylindrical cavity section 120, as upper shell fragment 10; One of them elastic sheet metal is in taper type chamber section 121, and as lower shell fragment 11, said structure makes not electrical contact between shell fragment 10 and lower shell fragment 11.Round insulation cover 6 is provided with two contact pins 8 outside the end relative with openend simultaneously, and every root contact pin 8 is equipped with welding end 80, and this welding end 80, for welding together with load to be measured, is beneficial to the test of load.A wherein contact pin 8 and the electrical contact of upper shell fragment 10, another root contact pin 8 and the electrical contact of lower shell fragment 11.
During power supply ripple on testing circuit board, oscilloprobe is inserted in the clamping chamber 12 of round insulation cover 6.After oscilloprobe inserts, the ground wire metallic sheath 3 of oscilloprobe contacts with upper shell fragment 10, makes ground wire metallic sheath 3 and a contact pin 8 achieve electrical contact by upper shell fragment 10; The probe 5 of oscilloprobe contacts with lower shell fragment 11, makes probe 5 and another root contact pin 8 achieve electrical contact by lower shell fragment 11.Because oscilloprobe stable holding can be lived in clamping chamber 12, thus oscilloprobe can stable electrical be contacted with two contact pins 8.And then two contact pins 8 of the present utility model are inserted in two holes of socket on circuit boards.Two holes of the socket on certain circuit board are relative with the two ends of power supply, note during grafting two contact pins 8, be inserted in the contact pin 8 that ground wire metallic sheath 3 is electrically connected on socket aperture corresponding to the ground wire of power supply, the contact pin 8 with probe 5 electrical contact is inserted on the socket aperture of the other end of corresponding power.After being plugged together in the manner described above, the ground wire metallic sheath 3 making oscilloprobe indirectly with the ground wire electrical contact of the power supply on circuit board, the probe 5 of oscilloprobe indirectly with the other end electrical contact of the power supply on circuit board, such oscillograph just can by the ripple of the power supply on oscilloprobe testing circuit board.Because the utility model is connected with the socket on circuit board by two contact pins 8, stable many compared to the single probe 5 of oscilloprobe, thus the test process of the power supply ripple of circuit board is stablized, make result accurate, the noise of introducing is low.Simultaneously because the utility model makes the connection between the socket on oscilloprobe and circuit quick and convenient, thus make the utility model continuous several times can measure multiple target.
Load to be measured can be extracted by welding by the welding end 80 connected on root contact pin 8 of the present utility model in addition, thus the utility model is electrically connected setting up between oscilloprobe with socket completely.
The above preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, etc. the improvement etc. of same power supply ripple test connector structure, all should be included within protection domain of the present utility model.
Claims (4)
1. a power supply ripple test connector, is characterized in that, comprises
The insulation sleeve of one end open, is provided with the clamping chamber for clamping oscilloprobe in described insulation sleeve;
Be located at two electric-conductors in described clamping chamber, a described electric-conductor is used for the ground wire metallic sheath electrical contact with described oscilloprobe, and electric-conductor described in another is used for and described oscillographic probe electrical contact; Connectorless between two described electric-conductors;
Two for being inserted in the contact pin on the socket on circuit, two described contact pins are all installed on one end relative with the openend of described insulation sleeve; Two described contact pins and two described electric-conductor electrical contacts one to one; And contact pin described in every root is equipped with a welding end.
2. power supply ripple test connector according to claim 1, is characterized in that, the inner chamber in described clamping chamber comprises cylindrical cavity section and inverted taper type chamber section, described cylindrical cavity section end face toward the outer side and the openend homonymy of described insulation sleeve.
3. power supply ripple test connector according to claim 2, is characterized in that, two described electric-conductors all select elastic sheet metal.
4. power supply ripple test connector according to claim 3, is characterized in that, the end face that described insulation sleeve is relative with openend is provided with the manhole for allowing described oscillographic probe pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420759657.1U CN204287245U (en) | 2014-12-04 | 2014-12-04 | A kind of power supply ripple test connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420759657.1U CN204287245U (en) | 2014-12-04 | 2014-12-04 | A kind of power supply ripple test connector |
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| Publication Number | Publication Date |
|---|---|
| CN204287245U true CN204287245U (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420759657.1U Active CN204287245U (en) | 2014-12-04 | 2014-12-04 | A kind of power supply ripple test connector |
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| CN (1) | CN204287245U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106019169A (en) * | 2016-05-11 | 2016-10-12 | 深圳市优必选科技有限公司 | power supply ripple noise test probe and test method |
| WO2017152567A1 (en) * | 2016-03-09 | 2017-09-14 | 中兴通讯股份有限公司 | Oscilloscope probe, method, apparatus and system for testing ripple |
| CN107607762A (en) * | 2017-07-19 | 2018-01-19 | 上海卫星工程研究所 | Oscillograph security measuring device and method for satellite electric signal interface testing |
| CN108020693A (en) * | 2016-11-04 | 2018-05-11 | 翔熙实业股份有限公司 | Detector bar |
| CN109521232A (en) * | 2018-11-20 | 2019-03-26 | 闻泰通讯股份有限公司 | Oscilloprobe auxiliary test unit |
| CN117970028A (en) * | 2024-01-27 | 2024-05-03 | 安徽继远软件有限公司 | Distribution network cable fault detection and accurate positioning system |
-
2014
- 2014-12-04 CN CN201420759657.1U patent/CN204287245U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017152567A1 (en) * | 2016-03-09 | 2017-09-14 | 中兴通讯股份有限公司 | Oscilloscope probe, method, apparatus and system for testing ripple |
| CN107179428A (en) * | 2016-03-09 | 2017-09-19 | 中兴通讯股份有限公司 | Test oscilloprobe, method, the apparatus and system of ripple |
| CN106019169A (en) * | 2016-05-11 | 2016-10-12 | 深圳市优必选科技有限公司 | power supply ripple noise test probe and test method |
| CN108020693A (en) * | 2016-11-04 | 2018-05-11 | 翔熙实业股份有限公司 | Detector bar |
| CN107607762A (en) * | 2017-07-19 | 2018-01-19 | 上海卫星工程研究所 | Oscillograph security measuring device and method for satellite electric signal interface testing |
| CN107607762B (en) * | 2017-07-19 | 2020-05-29 | 上海卫星工程研究所 | Oscilloscope safety measurement device and method for satellite electrical signal interface test |
| CN109521232A (en) * | 2018-11-20 | 2019-03-26 | 闻泰通讯股份有限公司 | Oscilloprobe auxiliary test unit |
| CN109521232B (en) * | 2018-11-20 | 2023-09-19 | 闻泰通讯股份有限公司 | Auxiliary test device for oscilloscope probe |
| CN117970028A (en) * | 2024-01-27 | 2024-05-03 | 安徽继远软件有限公司 | Distribution network cable fault detection and accurate positioning system |
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