CN2819688Y

CN2819688Y - Wireless terminal

Info

Publication number: CN2819688Y
Application number: CNU2005201121599U
Authority: CN
Inventors: 翟巍; 高大洲
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2005-06-30
Filing date: 2005-06-30
Publication date: 2006-09-20
Anticipated expiration: 2015-06-30

Abstract

The utility model discloses a wireless terminal which used for solving the problem of high testing cost and low testing efficiency when the wireless terminal assembled into a complete machine is tested in the prior art. The wireless terminal comprises a circuit board which is provided with a holder and a plurality of testing points. A shell is covered on the circuit board, and an opening used for exposing the holder is arranged on the shell. The testing points are arranged on the circuit board exposed from gaps on the holder. After the complete machine is assembled and finished, the wireless terminal of the utility model can test the testing points on the circuit board through a testing needle without disassembly, so the testing efficiency and the maintenance efficiency for products are improved.

Description

A kind of wireless terminal

Technical field

The utility model relates to communication products, relates in particular to a kind of wireless terminal product.

Background technology

The production test of wireless terminal products such as mobile phone, data card generally leaves the test point of testing usefulness on the PCB of wireless terminal (Printed Circuit Board, printed circuit board (PCB)) plate for convenience.When in process of production wireless terminal being tested, the test probe of test fixture is connected and can tests wireless terminal with test point on the pcb board.Wireless terminal product is general when producing to adopt pneumatic mode to realize automatic test, the Pneumatic pipe cleaner that compressed pneumatic pump provides is crossed appendix and is connected on the production test anchor clamps, have cylinder in the test fixture, cylinder drives horizontal or vertical motion up and down such as testing needle bed or tested single board by air pressure.Control the motion of test needle-bar or tested single board during test by testing software control compressed pneumatic pump, realize being electrically connected or disconnecting.The process that adopts pneumatic mode to test does not need manual intervention, and its testing efficiency is higher.

After wireless terminal is assembled into complete machine; because shell has been installed; test point on the veneer is just invisible; but when doing system test, usually also need some test point signals; as rs 232 serial interface signal; JTAG signal or the like because test point is invisible, therefore can not use the test point on the pcb board that wireless terminal is carried out system test.

Carry out system test for convenience, the most frequently used a kind of method is that the test point signal that system test need be used is connected on the aerial lug of wireless terminal at present, aerial lug is exposed to shell, adopts pneumatic again or manual mode is connected to aerial lug with test cable wireless terminal is carried out system test.When adopting manual mode to connect aerial lug, before test, manually the test cable plug is inserted aerial lug and be electrically connected, need equally after test is finished manually the test cable plug to be extracted to disconnect to be electrically connected, its testing efficiency is relatively low.When adopting pneumatic mode to connect aerial lug, owing to need accurately be connected to the test cable plug on the aerial lug, therefore its positioning requirements is higher, and the pressure of cylinder is very big, be easy to cause the connection off normal, cause the damage of aerial lug and test cable plug easily, near the shell also easy scratch or the scratch aerial lug.

It is to reserve the aperture that test probe uses on the housing of wireless terminal product complete machine that another kind at present commonly used carries out whole-machine test method, after wireless terminal is assembled into complete machine, exposes test point on the pcb board by these apertures.When utilizing these test points to carry out system test, the test probe of test fixture can be finished test by the test point that the aperture on the wireless terminal shell touches on the pcb board.When adopting this method of testing to carry out system test, structural design personnel need carry out corresponding perforate to the housing of product complete machine according to the position of test point on the pcb board.When the change of the position of test point on the pcb board, position of opening on its housing also needs to do corresponding change, thereby increased the difficulty of structural design and pcb board design, carried out perforate in addition on the product complete machine housing and also can produce certain influence the attractive in appearance of product.

The utility model content

The utility model provides a kind of wireless terminal, in order to solve in the prior art being assembled into wireless terminal behind the complete machine when testing, its testing cost height, the problem that testing efficiency is low.

The utility model is by the following technical solutions:

A kind of wireless terminal comprises the circuit board that deck is installed, and has some test points on the circuit board, is coated with housing on this circuit board, has the opening that is used to expose deck on the housing; Wherein, described test point is arranged on the circuit board that exposes in the place, space on the described deck.

Described test point is the test point of baseband signal.

Described deck is the deck of identification card and/or the deck of data storage card.

The utility model has adopted above technical scheme, has following beneficial effect:

Wireless terminal of the present utility model is arranged on the test point terminals of pcb board on the pcb board that exposes in the place, space on the deck of housing, making wireless terminal need not to dismantle after final assembly is finished can test the test point on the pcb board by testing needle, thereby has improved the testing efficiency and the maintenance efficiency of product.Wireless terminal of the present utility model need perforate on the housing of pcb board, thereby has reduced development difficulty, does not influence the attractive in appearance of product simultaneously again.

Description of drawings

Fig. 1 is the deck schematic diagram of the identification card of wireless terminal;

Fig. 2 is the deck schematic diagram of the data storage card of wireless terminal.

Fig. 3 is for being arranged on test point in the schematic diagram of gap between shell nozzle and the deck.

Embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail.

Has the test point that is used for testing on the pcb board of wireless terminal inside and some are used for connecting user's the identification card and/or the deck of data storage card, as UIM/SIM deck, SD deck or the like.After wireless terminal is assembled into complete machine, pcb board is just covered by the complete machine housing, has some openings on this housing, and the position of opening is corresponding with the position of pcb board upper blocking seat, be used for the deck as user interface on the pcb board is exposed, thereby make things convenient for the user to carry out the plug-in card operation.

As shown in Figure 1 and Figure 2; user's identification card and/or the opening part of the deck of data storage card on the complete machine housing expose; usually have some spaces on the deck; described space is the hatched example areas among Fig. 1, Fig. 2; after making wireless terminal be assembled into complete machine, still can easily test; as shown in Figure 3; the utility model is arranged on the test point of often using on the pcb board on the pcb board of place, the space exposed portions serve on the deck; described space is the hatched example areas among Fig. 3, and described test point is the black circle among Fig. 3.After veneer is assembled into complete machine, because these decks are to expose,, can test wireless terminal by these test points so test point is visible, need not to dismantle wireless terminal.

The area of the pcb board that expose in the place, space on the deck is generally very little, there is the phase mutual interference for fear of the test point signal that is arranged on herein, the general test point that is provided with herein should be the test point of the less signal of phase mutual interference, because the frequency of baseband signal is lower, therefore the phase mutual interference is less, and the test point that is provided with on the pcb board that exposes in the gap of deck is generally the test point of baseband signal.Test point for disturbing stronger radiofrequency signal each other should not be arranged on herein.

Above-mentioned identification card includes but not limited to CDMA (Code Division Multiple Access, CDMA access system) the employed UIM of wireless terminal (User Identity Module, user identification module), GSM (Global System for Mobile Communications; Global system for mobile communications) the employed SIM of wireless terminal (Subscriber Identity Module, user identification module) and PHS (Personal Handy Phone System, personal handyphone system) the employed PIM of wireless terminal (Personal Identity Module, person identification module).

Above-mentioned data storage card includes but not limited to SD (Secure Digital Card, safe digital card), MMC (Multimedia card, multimedia card), Mini-SD (Mini-Secure Digital Card, mini safe digital card) card and SM (Smart Media Card, intelligent multimedia card) card.

When after wireless terminal is assembled into complete machine it being tested, but the test point on the pcb board of gap is tested on the use test probe contact deck.The test probe of test fixture is connected with test point, the Pneumatic pipe cleaner that compressed pneumatic pump provides is crossed tracheae and is transported on the test fixture, has cylinder in the test fixture, testing software controls test needle-bar or tested single board by the control compressed pneumatic pump and moves during test, can realize being electrically connected or disconnecting of test probe and test point.

Can not insert the UIM/SIM card when adopting the utility model to test, otherwise test point can't be exposed.If test the time need be used the UIM/SIM card signal, can utilize test probe that the UIM/SIM card is connected with the UIM/SIM deck, the test point of utilizing other test probe to contact on the pcb board of gap on the deck simultaneously can be tested.

Below only with preferred embodiment the utility model is described, those skilled in the art can carry out various changes and modification to the utility model and not break away from spirit and scope of the present utility model.Like this, if of the present utility model these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, then the utility model also is intended to comprise these changes and modification interior.

Claims

1, a kind of wireless terminal comprises the circuit board that deck is installed, and has some test points on the circuit board, is coated with housing on this circuit board, has the opening that is used to expose deck on the housing; It is characterized in that described test point is arranged on the circuit board that exposes in the place, space on the described deck.

2, wireless terminal according to claim 1 is characterized in that, described test point is the test point of baseband signal.

3, wireless terminal according to claim 1 is characterized in that, described deck is the deck of identification card and/or the deck of data storage card.

4, wireless terminal according to claim 3 is characterized in that, described identification card is the subscriber identification card in CDMA access system or global system for mobile communications or the personal handyphone system.

5, wireless terminal according to claim 3 is characterized in that, described data storage card is safe digital card (SD) or multimedia card (MMC) or mini safe digital card (Mini-SD) or intelligent multimedia card (SM).