CN202815027U - Relay test fixture - Google Patents
Relay test fixture Download PDFInfo
- Publication number
- CN202815027U CN202815027U CN 201220522682 CN201220522682U CN202815027U CN 202815027 U CN202815027 U CN 202815027U CN 201220522682 CN201220522682 CN 201220522682 CN 201220522682 U CN201220522682 U CN 201220522682U CN 202815027 U CN202815027 U CN 202815027U
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- CN
- China
- Prior art keywords
- socket
- relay
- contact chip
- test
- contact
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
A relay test fixture comprises a socket, insulating sleeves, and contacting sheets. The socket is provided with multiple sets of inserting holes. The contacting sheets, in symmetric pairs, are inserted into corresponding slotted holes of the insulating sleeve and the pairs of contacting sheets are kept insulated between each other. The insulating sleeves and the contacting sheets are placed into the inserting holes of the socket together. The bottom ends of all the contacting sheets are welded with lead wires to connect with test equipment. Combined with the test equipment, the relay test fixture provided by the utility model can be used to complete a test of electrical parameters of a single relay within a few minutes. According to the utility model, the test precision is improved; the production efficiency is increased; and the safety of instruments and meters is guaranteed.
Description
Technical field
The utility model relates to a kind of relay test fixture, belongs to the test equipment technical field.
Technical background
At present to performance parameter tests such as relay contact pressure drop and contact resistances, all be to adopt common thimble contact testing apparatus (shown in Figure 1), as using the direct contact-relay of the instrument test thimble contacts such as avometer, millivolt voltage table, it is tested, and the shortcoming of these method of testings is really actual pressure drop and contact resistance value of reactor product contact of test value.Because loaded line (electric current line) and p-wire are the same circuit during test, the value of test gained has comprised the thimble and pressure drop (contact resistance) value that thimble contacts with product of testing tool, and product actual pressure drop and contact resistance value are caused erroneous judgement easily.Thereby can cause erroneous judgement to the qualification rate of product, affect test result, reduce the production output value.
The utility model content
The purpose of this utility model is: for improving the pressure drop of relay product contact, the measuring accuracy of contact resistance and the production efficiency of product.A kind of relay test fixture of new structure is provided, cooperates existing testing apparatus that relay is detected.
The purpose of this utility model realizes by following approach:
Relay test fixture described in the utility model, comprise socket, insulation sleeve and contact chip, described socket is provided with the jack corresponding with the relay product binding post, described insulation sleeve is arranged with the slotted eye that contact chip is installed vertically, described contact chip is symmetrical the insertion in the corresponding slotted eye of insulation sleeve in twos, guarantees to insulate between two contact chips, and insulation sleeve and contact chip are packed in each jack of socket in the lump, each contact chip bottom welding lead leads to into this lead-in wire and links to each other with testing apparatus.
The jack of described insulation sleeve and socket is fixed by locating glue.
Described contact chip material is spring steel band, quenches temper, surface gold-plating after the moulding.
The utility model relay test fixture is in conjunction with testing apparatus, and to the test of separate unit relay electric parameter, the time in several seconds can finish, and can improve the safety of measuring accuracy, assurance instrument and meter, enhances productivity.
Description of drawings
Fig. 1 is the existing Testing apparatus test philosophy figure of relay;
Fig. 2 is test fixture example structure front view described in the utility model;
Fig. 3 is that test fixture shown in Figure 2 is along the A-A partial sectional view;
Fig. 4 is insulation sleeve topology view in the test fixture shown in Figure 2;
Fig. 5 is Fig. 2 test fixture test philosophy described in the utility model figure
Among the figure: 1-socket, 2-insulation sleeve, 3-contact chip.
Embodiment
Below in conjunction with illustrated embodiment the utility model is elaborated:
Extremely shown in Figure 4 such as Fig. 2, relay test fixture described in the utility model, comprise socket 1, insulation sleeve 2 and contact chip 3, described socket 1 is provided with the jack corresponding with P terminal, and described insulation sleeve 2 is arranged with the I shape slotted eye that contact chip is installed vertically, and contact chip 3 is the symmetrical insulation sleeve 2 corresponding slotted eye two ends of inserting in twos, guarantee to insulate between two contact chips, then pack in the lump in each jack of socket 1, each contact chip bottom welding lead links to each other with testing apparatus by lead-in wire.Insulation sleeve 2 can be fixed by locating glue with the jack of socket 1, also can adopt other fixed form.For guaranteeing that contact chip 3 has good elasticity, described contact chip 3 materials are spring steel band, and quench after the moulding, temper, the surface is carried out gold-plated.
When the utility model uses, the measured relay binding post is directly inserted in jack corresponding to anchor clamps, this moment each binding post of relay and two contact chip close contacts in the anchor clamps jack, one tunnel contact has just been formed the contact form of four contact chip envelope binding posts, during test, p-wire and loaded line (electric current line) split, as shown in Figure 5.
Contact voltage drop and the contact resistance that measure this moment are respectively:
Test pressure drop U=(Δ R ˊ+Δ R) I=Δ R ˊ I+ Δ RI=Δ U ˊ+Δ U
This moment is because of Δ R ˊ=0
U=ΔRI=ΔU
In the formula: U-test voltage drop value
True voltage drop value between Δ U-contact
Δ R ˊ-contact chip and binding post contact resistance value
Δ R-relay contact resistance value
I-be load current
Test resistance R=Δ R ˊ+R
1
Because of Δ R ˊ=0
R=R
1
In the formula: R-test resistance value
Δ R ˊ-contact chip and binding post contact resistance value
R
1Be the contact actual resistance
In sum, use the utility model anchor clamps distortion can not occur to the measured value of relay contact pressure drop and contact resistance detection, can reflect its actual value.
Claims (3)
1. relay test fixture, it is characterized in that: this test fixture comprises that socket (1), insulation sleeve (2) and the described socket of contact chip (3) (1) are provided with the jack corresponding with P terminal, described insulation sleeve is arranged with the slotted eye that contact chip is installed vertically, contact chip (3) is symmetrical the insertion in the corresponding slotted eye of insulation sleeve (2) in twos, guarantee to insulate between two contact chips, insulation sleeve (2) and contact chip (3) are packed in each jack of socket (1) in the lump, each contact chip bottom welding lead, and lead to into lead-in wire and link to each other with testing apparatus.
2. relay test fixture as claimed in claim 1, it is characterized in that: described insulation sleeve (2) is fixed by locating glue with the jack of socket (1).
3. relay then tries anchor clamps as claimed in claim 1, it is characterized in that: described contact chip (3) material is spring steel band, quenches, temper surface gold-plating after the moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220522682 CN202815027U (en) | 2012-10-13 | 2012-10-13 | Relay test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220522682 CN202815027U (en) | 2012-10-13 | 2012-10-13 | Relay test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202815027U true CN202815027U (en) | 2013-03-20 |
Family
ID=47873885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220522682 Expired - Lifetime CN202815027U (en) | 2012-10-13 | 2012-10-13 | Relay test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202815027U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890167A (en) * | 2012-10-13 | 2013-01-23 | 贵州天义电器有限责任公司 | Relay test fixture |
| CN104678293A (en) * | 2013-11-26 | 2015-06-03 | 际华三五一五皮革皮鞋有限公司 | Clamping type solid-state relay detector |
| CN109974763A (en) * | 2017-12-27 | 2019-07-05 | 泰科电子(上海)有限公司 | Calibration system and calibration method |
| CN110687442A (en) * | 2019-10-16 | 2020-01-14 | 国营芜湖机械厂 | Aviation relay contact state testing device and testing method thereof |
-
2012
- 2012-10-13 CN CN 201220522682 patent/CN202815027U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890167A (en) * | 2012-10-13 | 2013-01-23 | 贵州天义电器有限责任公司 | Relay test fixture |
| CN104678293A (en) * | 2013-11-26 | 2015-06-03 | 际华三五一五皮革皮鞋有限公司 | Clamping type solid-state relay detector |
| CN104678293B (en) * | 2013-11-26 | 2018-02-16 | 际华三五一五皮革皮鞋有限公司 | Clipping solid-state relay detector |
| CN109974763A (en) * | 2017-12-27 | 2019-07-05 | 泰科电子(上海)有限公司 | Calibration system and calibration method |
| CN110687442A (en) * | 2019-10-16 | 2020-01-14 | 国营芜湖机械厂 | Aviation relay contact state testing device and testing method thereof |
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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: 20130320 |
|
| CX01 | Expiry of patent term |