CN202837335U - Test fixture for low-power pulse transformer - Google Patents
Test fixture for low-power pulse transformer Download PDFInfo
- Publication number
- CN202837335U CN202837335U CN 201220362853 CN201220362853U CN202837335U CN 202837335 U CN202837335 U CN 202837335U CN 201220362853 CN201220362853 CN 201220362853 CN 201220362853 U CN201220362853 U CN 201220362853U CN 202837335 U CN202837335 U CN 202837335U
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- Prior art keywords
- guide pin
- group
- test
- wiring exit
- elasticity wiring
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Abstract
The utility model, which is suitable for the test field, provides a test fixture for a low-power pulse transformer. The test fixture comprises a bottom cover, a test mechanism arranged on the bottom cover, and a compressing mechanism arranged on the test mechanism. According to the test fixture provided by the embodiment of the utility model, the contact method of the test fixture is a pressure fixed mode; no damage is caused on the transformer; the appearance reject ratio caused by the test is 0; and thus the gap that no standard test method exists in the pulse transformation industry can be filled. A unified test method is provided for all factories, thereby reducing the standard difference and conflict due to the test deviation. Most of electrical performance parameters can be test by one time, so that the test efficiency of products is improved; and the efficiency is more than three times higher than the original one.
Description
Technical field
The utility model is applicable to field tests, relates in particular to a kind of test fixture of miniwatt pulse transformer.
Background technology
In the market, different miniwatt pulse transformers is had corresponding technical requirement, therefore need to carry out multiple electric performance test determines the technical parameter that it is main, thereby the use of being convenient to the miniwatt pulse transformer is selected.In the existing technology, the miniwatt pulse transformer is without unified method of testing, former test fixture is taked comparatively original female seat pluggable mode, but the test event of miniwatt pulse transformer is more, the testing efficiency of this original test mode is extremely low, and labour intensity is large, and will be through repeatedly plug in test process, transformer lead pin damages easily, crooked and fracture, and fraction defective reaches more than 7%.
The utility model content
The utility model embodiment provides a kind of test fixture of miniwatt pulse transformer, and the testing efficiency that can solve existing miniwatt pulse transformer test fixture is extremely low, and transformer lead pin damages easily, the problem of crooked and fracture.
The utility model embodiment is achieved in that a kind of test fixture of miniwatt pulse transformer, and the test fixture of described miniwatt pulse transformer comprises:
Bottom;
Be arranged on the mechanism for testing on the described bottom; And
Be arranged on the hold-down mechanism on the described mechanism for testing.
Further, described mechanism for testing comprises:
Be arranged on box outside the bottom on the described bottom;
Be arranged on the guide pin exit binding post of locating in the middle of the positive front end face of box outside the described bottom;
Be arranged on the product casing locating slot of middle, described boss upper surface;
Be arranged on the housing contacts guide pin in the described product casing locating slot;
Be symmetricly set on described boss upper surface, and near the product stitch locating slot of described product casing locating slot both sides;
The first group of guide pin elasticity wiring exit stationary positioned plate that is separately positioned on described boss both sides, second group of guide pin elasticity wiring exit stationary positioned plate slope inwardly;
Be arranged on the spring between described boss and described first group of guide pin elasticity wiring exit stationary positioned plate, described second group of guide pin elasticity wiring exit stationary positioned plate;
Outward-dipping being separately positioned in described first group of guide pin elasticity wiring exit stationary positioned plate, the described second group of guide pin elasticity wiring exit stationary positioned plate, and the first group guide pin elasticity wiring exit corresponding with described product stitch locating slot, second group of guide pin elasticity wiring exit; And
Be symmetricly set on outside the described bottom on the box, and be positioned at first group of guide pin rotary switch in described boss dead ahead, second group of guide pin rotary switch.
Further, described hold-down mechanism comprises:
Be arranged on the quick chuck fixed head on the described boss;
The quick chuck dog screw;
Be arranged on quick chuck handle on the described quick chuck fixed head by described quick chuck dog screw;
Be arranged on the horizontal depression bar directly over described first group of guide pin elasticity wiring exit stationary positioned plate, the described second group of guide pin elasticity wiring exit stationary positioned plate; And
The quick chuck sliding screw that two ends link to each other with described horizontal depression bar with described quick chuck handle respectively.
Further, described product stitch locating slot, described product casing locating slot are according to size and the pin adjustment of transformer.
Further, on described first group of guide pin rotary switch and the described second group of guide pin rotary switch eight indicating bits are arranged all, last indicating bit is empty pin;
The indicating bit that the stitch that a bit represents its at that time institute's conducting is arranged on described first group of guide pin rotary switch and the described second group of guide pin rotary switch.
The test fixture that the utility model embodiment provides, the contact method of anchor clamps is the pressure fixing formula, to transformer without any damage, the bad order rate that test causes is 0, has filled up the blank of pulse transforming industry without standard method of test, is the unified method of testing of each producer's test, reduce standard difference and controversial issue that measurement error produces, can improve the testing efficiency of product by the complete most unit for electrical property parameters of disposable survey, efficient is more than 3 times of former method of testing.
Description of drawings
Fig. 1 represents the structural representation of the test fixture of the utility model embodiment middle low power pulse transformer.
Among the figure:
1, bottom;
2, mechanism for testing:
21, box outside the bottom;
22, guide pin exit binding post;
23, product casing locating slot;
24, housing contacts guide pin;
25, product stitch locating slot;
26, first group of guide pin elasticity wiring exit stationary positioned plate;
27, second group of guide pin elasticity wiring exit stationary positioned plate;
28, the first spring;
29, the second spring;
210, first group of guide pin elasticity wiring exit;
211, second group of guide pin elasticity wiring exit;
212, first group of guide pin rotary switch;
213, second group of guide pin rotary switch;
214, boss
3, hold-down mechanism
31, quick chuck fixed head;
32, quick chuck dog screw;
33, quick chuck handle;
34, horizontal depression bar;
35, quick chuck sliding screw.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, 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 explaining the utility model, and be not used in restriction the utility model.
In the utility model embodiment, as shown in Figure 1, the test fixture of miniwatt pulse transformer comprises bottom 1, mechanism for testing 2 and hold-down mechanism 3, and mechanism for testing 2 is arranged on the bottom 1, and hold-down mechanism 3 is arranged on the mechanism for testing 2.
As an embodiment of the present utility model, mechanism for testing 2 comprises bottom outer box 21, guide pin exit binding post 22, product casing locating slot 23, housing contacts guide pin 24, product stitch locating slot 25, first group of guide pin elasticity wiring exit stationary positioned plate 26, second group of guide pin elasticity wiring exit stationary positioned plate 27, the first spring 28, the second spring 29, first group of guide pin elasticity wiring exit 210, second group of guide pin elasticity wiring exit 211, first group of guide pin rotary switch 212, second group of guide pin rotary switch 213 and boss 214.
As an embodiment of the present utility model, box 21 is arranged on the bottom 1 outside the bottom.
Guide pin exit binding post 22 is located in the middle of being arranged on the outer box 21 positive front end faces in bottom.
Boss 214 is arranged on outer box 21 upper surfaces, bottom.
Product casing locating slot 23 is arranged on middle, boss 214 upper surface.
Housing contacts guide pin 24 is arranged in the product casing locating slot 25.
Product stitch locating slot 25 is symmetricly set on boss 214 upper surfaces, and near product casing locating slot 23 both sides.
First group of guide pin elasticity wiring exit stationary positioned plate 26, second group of guide pin elasticity wiring exit stationary positioned plate 27 slope inwardly and are separately positioned on boss 214 both sides.
The first spring 28, the second spring 29 are separately positioned on 214 of first group of guide pin elasticity wiring exit stationary positioned plate 26, second group of guide pin elasticity wiring exit stationary positioned plate 27 and boss.
First group of guide pin elasticity wiring exit 210, second group of guide pin elasticity wiring exit 211 be outward-dipping to be separately positioned in first group of guide pin elasticity wiring exit stationary positioned plate 26, the second group of guide pin elasticity wiring exit stationary positioned plate 27, and corresponding with product stitch locating slot 25.
First group of guide pin rotary switch 212, second group of guide pin rotary switch 213 are symmetricly set on the outer box 21 in bottom, and are positioned at boss 214 dead aheads.
As an embodiment of the present utility model, hold-down mechanism 3 comprises, quick chuck fixed head 31, quick chuck dog screw 32, quick chuck handle 33, horizontal depression bar 34 and quick chuck sliding screw 35.
As an embodiment of the present utility model, quick chuck fixed head 31 is arranged on the boss 214.
Quick chuck handle 33 is arranged on the quick chuck fixed head 31 by quick chuck dog screw 32.
Quick chuck sliding screw 35 two ends link to each other with horizontal depression bar 34 with quick chuck handle 33 respectively.
In the utility model embodiment, during test, first that the integrated test fixture that is placed on of each test function plate is inner and each joint of anchor clamps and switch connected.
Power transformer product is put into product casing locating slot 23 and product stitch locating slot 25 by housing contacts guide pin 24.
Guide pin exit binding post 22 connects pulse signal generator and oscillograph.
Adjust first group of guide pin rotary switch 212 and second group of guide pin rotary switch 213 of anchor clamps.
To pressing down quick chuck handle 33.
Quick chuck sliding screw 35 and horizontal depression bar 34 link simultaneously and move down.
Simultaneously first group of guide pin elasticity wiring exit 210 and the second group of guide pin elasticity wiring exit 211 on first group of guide pin elasticity wiring exit stationary positioned plate 26 and the second group of guide pin elasticity wiring exit stationary positioned plate 27 aimed at product stitch locating slot 25 one by one, toward pressing down it is contacted fully with the stitch of product, test products associated electrical performance.
In the utility model embodiment, test is up carried quick chuck handle 33 after finishing.
Quick chuck sliding screw 35 and horizontal depression bar 34 link simultaneously and move up.
The first spring 28, second spring 29 of while first group of guide pin elasticity wiring exit stationary positioned plate 26 and second group of guide pin elasticity wiring exit stationary positioned plate 27 below upwards discharge elastic force upwards raises it.
First group of guide pin elasticity wiring exit 210 and second group of guide pin elasticity wiring exit 211 disengage fully with the stitch of product, and test is finished.
As an embodiment of the present utility model, product stitch locating slot 25, product casing locating slot 23 can be adjusted according to size and the pin of transformer.
As an embodiment of the present utility model, regulate first group of guide pin rotary switch 212 and second group of guide pin rotary switch 213 according to the test needs, can test other structure transformer of the same type and inductor.
As an embodiment of the present utility model, the insulation resistance in the electric performance test and dielectric withstanding voltage test can be used this test fixture.
As an embodiment of the present utility model, the material of first group of guide pin elasticity wiring exit 210, second group of guide pin elasticity wiring exit 211, first group of guide pin elasticity wiring exit stationary positioned plate 26 and second group of guide pin elasticity wiring exit stationary positioned plate 27 all adopts beryllium copper.
As an embodiment of the present utility model, all have eight on first group of guide pin rotary switch 212 and second group of guide pin rotary switch 213, and last position is empty pin; There is a white point to represent the stitch of its at that time institute's conducting on first group of guide pin rotary switch 212 and second group of guide pin rotary switch 213.
As an embodiment of the present utility model, according to the existing test request of miniwatt pulse transformer, design the test circuit of realistic requirement, so that the carrying out smoothly of test.
The test fixture that the utility model embodiment provides, the contact method of anchor clamps is the pressure fixing formula, to transformer without any damage, the bad order rate that test causes is 0, has filled up the blank of pulse transforming industry without standard method of test, is the unified method of testing of each producer's test, reduce standard difference and controversial issue that measurement error produces, can improve the testing efficiency of product by the complete most unit for electrical property parameters of disposable survey, efficient is more than 3 times of former method of testing.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (5)
1. the test fixture of a miniwatt pulse transformer is characterized in that, the test fixture of described miniwatt pulse transformer comprises:
Bottom;
Be arranged on the mechanism for testing on the described bottom; And
Be arranged on the hold-down mechanism on the described mechanism for testing.
2. the test fixture of miniwatt pulse transformer as claimed in claim 1 is characterized in that, described mechanism for testing comprises:
Be arranged on box outside the bottom on the described bottom;
Be arranged on the guide pin exit binding post of locating in the middle of the positive front end face of box outside the described bottom;
Be arranged on the boss on the box outside the described bottom;
Be arranged on the product casing locating slot of middle, described boss upper surface;
Be arranged on the housing contacts guide pin in the described product casing locating slot;
Be symmetricly set on described boss upper surface, and near the product stitch locating slot of described product casing locating slot both sides;
The first group of guide pin elasticity wiring exit stationary positioned plate that is separately positioned on described boss both sides, second group of guide pin elasticity wiring exit stationary positioned plate slope inwardly;
Be arranged on described boss and described first group of guide pin elasticity wiring exit stationary positioned plate the first spring, and described second group of guide pin elasticity wiring exit stationary positioned plate between the second spring;
Outward-dipping being separately positioned in described first group of guide pin elasticity wiring exit stationary positioned plate, the described second group of guide pin elasticity wiring exit stationary positioned plate, and the first group guide pin elasticity wiring exit corresponding with described product stitch locating slot, second group of guide pin elasticity wiring exit; And
Be symmetricly set on outside the described bottom on the box, and be positioned at first group of guide pin rotary switch in described boss dead ahead, second group of guide pin rotary switch.
3. the test fixture of miniwatt pulse transformer as claimed in claim 1 or 2 is characterized in that, described hold-down mechanism comprises:
Be arranged on the quick chuck fixed head on the described boss;
The quick chuck dog screw;
Be arranged on quick chuck handle on the described quick chuck fixed head by described quick chuck dog screw;
Be arranged on the horizontal depression bar directly over described first group of guide pin elasticity wiring exit stationary positioned plate, the described second group of guide pin elasticity wiring exit stationary positioned plate; And
The quick chuck sliding screw that two ends link to each other with described horizontal depression bar with described quick chuck handle respectively.
4. the test fixture of miniwatt pulse transformer as claimed in claim 2 is characterized in that, described product stitch locating slot, described product casing locating slot are according to size and the pin adjustment of transformer.
5. the test fixture of miniwatt pulse transformer as claimed in claim 2 is characterized in that, on described first group of guide pin rotary switch and the described second group of guide pin rotary switch eight indicating bits is arranged all, and last indicating bit is empty pin;
The indicating bit that the stitch that a bit represents its at that time institute's conducting is arranged on described first group of guide pin rotary switch and the described second group of guide pin rotary switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362853 CN202837335U (en) | 2012-07-25 | 2012-07-25 | Test fixture for low-power pulse transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220362853 CN202837335U (en) | 2012-07-25 | 2012-07-25 | Test fixture for low-power pulse transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202837335U true CN202837335U (en) | 2013-03-27 |
Family
ID=47949014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220362853 Expired - Lifetime CN202837335U (en) | 2012-07-25 | 2012-07-25 | Test fixture for low-power pulse transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202837335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397765A (en) * | 2020-04-06 | 2020-07-10 | 国网河北省电力有限公司石家庄市鹿泉区供电分公司 | Power transformer fault detection equipment |
-
2012
- 2012-07-25 CN CN 201220362853 patent/CN202837335U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397765A (en) * | 2020-04-06 | 2020-07-10 | 国网河北省电力有限公司石家庄市鹿泉区供电分公司 | Power transformer fault detection equipment |
| CN111397765B (en) * | 2020-04-06 | 2021-08-24 | 国网河北省电力有限公司石家庄市鹿泉区供电分公司 | Power transformer fault detection equipment |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |