CN212906395U

CN212906395U - Test station for GPS automobile data recorder

Info

Publication number: CN212906395U
Application number: CN202021941338.4U
Authority: CN
Inventors: 勾永勤; 王诠富
Original assignee: TIANHAN TECHNOLOGY (WUJIANG) CO LTD
Current assignee: TIANHAN TECHNOLOGY (WUJIANG) CO LTD
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-04-06
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a test station for GPS vehicle event data recorder, include: the test control end is an expansion interface connected with the test control end, and the other end of the expansion interface is connected with a plurality of products to be tested and test samples in parallel; the fixed machine table is provided with a plurality of fixed jigs, and each fixed jig is used for fixing one product to be tested or one test sample; the GPS signal generator is connected with the GPS signal frequency divider, and the other end of the GPS signal frequency divider is connected with a plurality of products to be tested and the test sample in parallel. By using the test station, a plurality of GPS automobile data recorders can be tested at the same time, and the test efficiency is improved.

Description

Test station for GPS automobile data recorder

Technical Field

The utility model relates to a test field especially relates to a test station for GPS vehicle event data recorder.

Background

The satellite positioning automobile running recorder is also called GPS automobile running recorder, and is a digital electronic recorder for recording and storing the running speed, time, mileage and other running state information of the automobile and outputting data via interface.

After the GPS automobile data recorder is processed, whether the GPS signal meets the production requirement needs to be tested. In the existing test, a test station can only test one GPS automobile data recorder in one test time period, and the production efficiency of products is seriously influenced. If need test many equipment simultaneously, just need set up a plurality of test stations, increased the manufacturing cost of enterprise, and a plurality of test stations when being used for the test simultaneously, can take place signal interference each other, influence the accuracy of test result.

Disclosure of Invention

In order to overcome the defect among the prior art, the embodiment of the utility model provides a test station for GPS vehicle event data recorder can test a plurality of GPS vehicle event data recorder through using this test station, improves efficiency of software testing.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a test station for a GPS tachograph, comprising:

the test control end is an expansion interface connected with the test control end, and the other end of the expansion interface is connected with a plurality of products to be tested and test samples in parallel;

the fixed machine table is provided with a plurality of fixed jigs, and each fixed jig is used for fixing one product to be tested or one test sample;

the GPS signal generator is connected with the GPS signal frequency divider, and the other end of the GPS signal frequency divider is connected with a plurality of products to be tested and the test sample in parallel.

In the above technical scheme, a memory card containing information of the tested product is arranged in the fixed jig.

In the above technical scheme, the fixed machine station is arranged in the shielding box.

In the above technical solution, the test device further comprises an output end for outputting the test result.

In the above technical scheme, the output end includes the sound unit that is used for reporting the test result.

In the above technical solution, the output end includes a display unit for graphically displaying the test result.

In the above technical solution, the output end includes a camera unit for recording a test process.

In the above technical solution, the test control terminal is a PC including a test system.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

1. the utility model discloses in utilize the extension interface to be connected with the test control end, make between a plurality of products that await measuring, and parallelly connected between product and the test sample that awaits measuring, utilize the GPS signal frequency divider can send test signal to the product that awaits measuring, the test sample respectively, thereby compare each product that awaits measuring according to the GPS information data that received GPS signal produced and the GPS information data that the test sample produced according to received GPS signal, realize the synchronous test of a plurality of GPS vehicle event data recorder, improve efficiency of software testing.

2. The fixed machine table is arranged in the shielding box, so that the interference of other signals in the test process is reduced, and the accuracy of the test result is ensured.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

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

Fig. 1 is a schematic view of the middle test station of the present invention.

Reference numerals of the above figures: 1. testing a control end; 2. an expansion interface; 3. a product to be tested; 4. testing the sample; 5. fixing the machine table; 6. a GPS signal generator; 7. a GPS signal frequency divider; 8. an image pickup unit; 9. a shielding box; 10. a sound unit; 11. a display unit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is as follows: referring to fig. 1, a test station for a GPS tachograph comprises:

the device comprises a test control end 1 and an expansion interface 2 connected with the test control end 1, wherein the other end of the expansion interface 2 is connected with a plurality of products to be tested 3 and test samples 4 in parallel;

the fixed machine table 5 is provided with a plurality of fixed jigs, and a product 3 to be detected is fixed in each fixed jig;

the device comprises a GPS signal generator 6 and a GPS signal frequency divider 7 connected with the GPS signal generator 6, wherein the other end of the GPS signal frequency divider 7 is connected with a plurality of products to be tested 3 and test samples 4 in parallel.

By arranging the expansion interface 2, a plurality of products to be tested 3 and the test samples 4 are connected in parallel, and the test signals transmitted by the GPS signal transmitter are respectively transmitted to the test samples 4 and each product to be tested 3 by utilizing the GPS signal frequency divider 7. The GPS receiving unit in the product 3 to be tested and the GPS receiving unit in the test sample 4 can respectively generate related GPS information data according to the received GPS signals. The GPS information data generated by each product 3 to be tested is compared with the GPS information data generated by the test sample 4. If the comparison result is within the set signal range, the test is passed; if the comparison result is out of the set signal range, the test is not passed. Therefore, synchronous testing of the plurality of GPS automobile data recorders is achieved, and testing efficiency is improved.

In a preferred embodiment, a memory card containing information of the test product is arranged in the fixed fixture. The memory card is arranged to distinguish each product 3 to be tested, so as to avoid confusion. Meanwhile, the influence of the memory card on GPS signal reception in practical use can be simulated, and the reliability of a test result is improved.

In order to prevent the external signal from affecting the test result, the fixed machine 5 is disposed in the shielding box 9.

Referring to fig. 1, an output terminal for outputting the test result is further included. The output end comprises a sound unit 10 used for broadcasting the test result, a display unit 11 used for displaying the test result in a graphic mode and a camera unit 8 used for recording the test process. Wherein the sound unit 10, the display unit 11 and the camera unit 8 can be provided simultaneously or in a freely combined manner.

The test control terminal 1 is a PC machine with a test system. And setting a GPS signal range by using the test system, and comparing the GPS information data of the product 3 to be tested with the GPS information data of the test sample 4.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. A test station for a GPS tachograph, comprising:

2. The test station for a GPS tachograph according to claim 1, wherein: the fixed fixture is internally provided with a memory card containing information of a test product.

3. The test station for a GPS tachograph according to claim 1, wherein: the fixed machine table is arranged in the shielding box.

4. The test station for a GPS tachograph according to claim 1, wherein: the test device also comprises an output end used for outputting the test result.

5. The test station for a GPS tachograph of claim 4, wherein: the output end comprises a sound unit used for broadcasting the test result.

6. The test station for a GPS tachograph of claim 4, wherein: the output end comprises a display unit for displaying the test result in a graph.

7. The test station for a GPS tachograph of claim 4, wherein: the output end comprises a camera unit for recording the test process.

8. The test station for a GPS tachograph according to claim 1, wherein: the test control end is a PC machine with a test system.