CN216526081U

CN216526081U - Power supply signal feedback device for aging test

Info

Publication number: CN216526081U
Application number: CN202122778373.XU
Authority: CN
Inventors: 喻剑; 杨靖; 刘从东
Original assignee: Anhui Yuchi Intelligent Technology Co ltd
Current assignee: Anhui Yuchi Intelligent Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-05-13
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a power supply signal feedback device for an aging test, and relates to the technical field of aging tests of internet of vehicles products. The test fixture comprises a test fixture, wherein a plurality of test units are arranged on the test fixture in parallel, each test unit comprises a connector, a T-BOX networking product to be detected is inserted into each connector, each test unit further comprises a relay normally closed contact, a relay normally open contact and an indicator light, the anode of the T-BOX networking product is connected with the indicator light, the cathode of the T-BOX networking product is connected with the cathode of a power supply, the indicator light is connected with the T-BOX networking product in series, the indicator light is connected with the relay normally open contact in series, and the indicator light is connected with the relay normally closed contact in parallel. The utility model can realize that the corresponding indicator lamps are lightened one by one after the product is electrified, thereby ensuring the achievement rate of the aging test, improving the utilization rate and providing visual test characteristics.

Description

Power supply signal feedback device for aging test

Technical Field

The utility model belongs to the technical field of aging tests of car networking products, and particularly relates to a power supply signal feedback device for the aging tests.

Background

With the continuous iteration of the technology of the internet of vehicles, the aging test becomes a necessary process for detecting the service life and the performance of the product.

The existing aging detection technology comprises the following steps: as shown in fig. 3: the T-BOX networking product is inserted into a product aging test fixture connector, and the product has no power-on feedback when powered on. At this time, it is impossible to determine whether the product is powered on. The connector is plugged abnormally, a circuit is opened, no signal feedback exists when a product is electrified, and the special characteristics of product testing cannot be controlled.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a power supply signal feedback device for an aging test, which can realize that corresponding indicator lamps are lightened one by one after a product is electrified by arranging the indicator lamps, and solve the problems that the connector is abnormally plugged, a circuit is opened, no signal feedback exists when the product is electrified, and the special characteristics of the product test cannot be controlled in the conventional detection tool.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an aging test power supply signal feedback device which comprises a test tool clamp, wherein a plurality of test units are arranged on the test tool clamp in parallel, each test unit comprises a connector, a T-BOX networking product to be detected is inserted into the connector, each test unit also comprises a relay normally-closed contact, a relay normally-open contact and an indicator lamp, the anode of the T-BOX networking product is connected with the indicator lamp, the cathode of the T-BOX networking product is connected with the cathode of a power supply, the indicator lamp is connected with the T-BOX networking product in series, the indicator lamp is connected with the relay normally-open contact in series, and the indicator lamp is connected with the relay normally-closed contact in parallel.

As a preferable technical scheme of the utility model, the test units are mutually connected in parallel.

As a preferred technical scheme of the utility model, the test tool fixture is provided with a control group, the control group comprises a relay starting switch, and the relay starting switch is connected with a relay group in series.

As a preferred technical solution of the present invention, the relay group has a plurality of relays arranged in parallel.

As a preferred technical scheme of the utility model, the control group is connected with the test unit in parallel.

The utility model has the following beneficial effects:

the utility model can realize that the corresponding indicator lamps are lightened one by one after the product is electrified, thereby ensuring the achievement rate of the aging test, improving the utilization rate and providing visual test characteristics.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a circuit diagram of the present invention;

fig. 3 is a schematic diagram of the prior art in the background art.

In the drawings, the components represented by the respective reference numerals are listed below:

the method comprises the following steps of 1-testing a tool clamp, 2-T-BOX networking products, 3-connectors, 4-indicator lamps, 5-starting switches, 6-relay groups, 7-relay normally closed contacts and 8-relay normally open contacts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

As shown in fig. 1 and 2: the aging test power supply signal feedback device comprises a test tool clamp 1, wherein a plurality of test units are arranged on the test tool clamp 1 in parallel, each test unit comprises a connector 3, a T-BOX networking product 2 to be detected is inserted into the connector 3, each test unit also comprises a relay normally-closed contact 7, a relay normally-open contact 8 and an indicator lamp 4, the anode of the T-BOX networking product 2 is connected with the indicator lamp 4, the cathode of the T-BOX networking product 2 is connected with the power supply cathode, the indicator lamp 4 is connected with the T-BOX networking product 2 in series, the indicator lamp 4 is connected with the relay normally-open contact 8 in series, and the indicator lamp 4 is connected with the relay normally-closed contact 7 in parallel. The test units are connected in parallel. The test tool clamp 1 is provided with a control group, the control group comprises a relay starting switch 5, and the relay starting switch 5 is connected with a relay group 6 in series. The relay group 6 has a plurality of relays arranged in parallel. The control groups are connected in parallel with the test units.

One specific application of this embodiment is: the T-BOX networking product 2 is inserted into the connector 3 to enter a state to be tested, the relay starting switch 5 is started, the relay group starts to work and enters a test mode, the normally closed contact 7 of the relay is disconnected, the normally open contact 8 of the relay is closed, the current forms a closed loop through the T-BOX networking product 2, the indicator lamp 4 is lightened, and the test is regarded as passing. The T-BOX networking product 2 can not light the indicator light 4 in the open circuit state or the open circuit state. The test is deemed to have failed. Therefore, defective products are screened, missing measurement and empty measurement are avoided, and the utilization rate and quality of test equipment are improved. And (5) closing the relay starting switch 5, extinguishing the indicator lamp 4 and entering an aging mode.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. Aging testing power supply signal feedback device, including test fixture (1), be provided with a plurality of test unit on test fixture (1) side by side, test unit includes connector (3), T-BOX networking product (2) that wait to detect are inserted on connector (3), its characterized in that: the testing unit further comprises a normally closed relay contact (7), a normally open relay contact (8) and an indicator lamp (4), the positive pole of the T-BOX networked product (2) is connected with the indicator lamp (4), the negative pole of the T-BOX networked product (2) is connected with the negative pole of a power supply, the indicator lamp (4) is connected with the T-BOX networked product (2) in series, the indicator lamp (4) is connected with the normally open relay contact (8) in series, and the indicator lamp (4) is connected with the normally closed relay contact (7) in parallel.

2. The signal feedback device for a power supply of a burn-in test of claim 1, wherein the test units are connected in parallel with each other.

3. The aging test power supply signal feedback device according to claim 1, wherein a control group is arranged on the test tool clamp (1), the control group comprises a relay start switch (5), and the relay start switch (5) is connected with a relay group (6) in series.

4. The retrogradation test power supply signal feedback device according to claim 3, wherein the relay group (6) has a plurality of relays arranged in parallel.

5. The signal feedback device of claim 3, wherein the control group is connected in parallel with the test unit.