CN221174868U - Novel detachable multipath board test fixture - Google Patents

Abstract

The utility model relates to a novel detachable multipath board testing tool, which relates to the field of road board testing and comprises a tool shell, a clamp, a control board and a switching power supply, wherein the clamp is detachably connected to the outside of the tool shell, a road board to be tested is placed on the clamp, the control board is fixed inside the tool shell, a plurality of holes are formed in the clamp, each terminal of the road board to be tested is connected with the control board in a wired manner through the plurality of holes in the clamp, and the control board is electrically connected with the switching power supply. The fixture has the advantages that the fixture is suitable for finding out the road board to be tested and is installed in place, then the detection of the road board to be tested can be easily realized through the connection of the wire harness with the control board to be tested, the fixture plays a role in terminal integration, the test efficiency is high, errors are not easy to occur, excessive test experience of operators is not needed, and the operators can be qualified for test work through simple training.

Description

Novel detachable multipath board test fixture

Technical Field

The utility model relates to the technical field of road board testing, in particular to a novel detachable multipath board testing tool.

Background

When a user checks whether a new road board meets the requirement of an instrument or whether the new road board is abnormal or not in the occasions such as new product development test, product local function test and product aging test, the user is required to carry out power-on measurement on the road board or check whether the instrument is abnormal after the instrument is installed. The current road board test method is to insert the inspection wire harness onto the road board for testing, and the inspection wire harness is manually found and installed one by one, so that a large amount of labor hours are consumed, the efficiency is low, a user is required to have working experience for treating a certain problem, and the problem cannot be visually seen due to the fact that some lack of leakage is possibly caused by manual inspection.

Disclosure of utility model

In order to solve the problems of low efficiency, dependence on working experience and easiness in material shortage checking existing in the prior art, the utility model provides a novel detachable multipath plate testing tool.

According to one aspect of the utility model, a novel detachable multi-path board testing tool is provided, and comprises a tool shell, a clamp, a control board and a switching power supply, wherein the clamp is detachably connected to the outside of the tool shell, a to-be-tested road board is placed on the clamp, the control board and the switching power supply are both fixed inside the tool shell, a plurality of holes are formed in the clamp, each terminal of the to-be-tested road board is connected with the control board in a wired mode through the plurality of holes in the clamp, and the control board is electrically connected with the switching power supply.

Preferably, a plurality of top thread holes are formed in the side face of the clamp, and the top threads are inserted into the top thread holes to fix all terminals of the circuit board to be tested.

Preferably, the tool shell is further provided with a display screen, and the display screen is electrically connected with the control panel.

Preferably, the tool shell is further provided with a power switch and an indicator lamp, the power switch is electrically connected with the switching power supply, and the indicator lamp is electrically connected with the control panel.

Preferably, the tool further comprises an independent test module terminal, wherein the independent test module terminal is arranged on the tool shell and is electrically connected with the control board.

Preferably, the tool further comprises a power supply waterproof connector, and the power supply waterproof connector is arranged on the tool shell.

Preferably, the tool shell comprises an upper shell and a lower shell, and the upper shell and the lower shell are buckled and connected to form the tool shell.

Preferably, the control board comprises a main control chip, a voltage stabilizing protection circuit and a road board information acquisition circuit, wherein the voltage stabilizing protection circuit and the road board information acquisition circuit are respectively and electrically connected with the main control chip, and the road board information acquisition circuit is connected with a road board to be tested through a wire harness.

Preferably, the control board further comprises an independent test module acquisition circuit, and the independent test module acquisition circuit is electrically connected with the independent test module terminal.

The utility model has the technical effects that:

Finding out a proper clamp according to the road board to be tested and installing the clamp in place, then connecting a control board with the road board to be tested through a wire harness, easily realizing detection of the road board to be tested, integrating terminals by the clamp, displaying detection data through a display screen and an indicator lamp, and being visual and convenient; the independent test module terminals are arranged, the whole road board can be tested, the independent expansion module can be tested, for example, the independent modules such as pressure, temperature and humidity and ultrasonic waves are tested, the application range of the tool is widened, the tool is suitable for batch detection of the road board, the test efficiency is high, the labor cost is greatly reduced, in addition, the error is not easy to occur, excessive test experience of operators is not needed, and the operators can be qualified for test work through simple training.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic diagram of the overall structure of the novel detachable multi-path board testing tool in this embodiment.

Fig. 2 is a schematic structural diagram of connection between a board to be tested and a test fixture in this embodiment.

Fig. 3 is a schematic structural view of the jig in the present embodiment.

Fig. 4 is a schematic view of the structure of the inside of the lower case in the present embodiment.

Fig. 5 is a schematic circuit diagram of the test fixture in this embodiment.

The drawing is marked:

The fixture comprises a fixture shell 1, a fixture 2, a control panel 3, a switching power supply 4, a display screen 5, a power switch 6, an indicator lamp 7, an independent test module terminal 8, a power waterproof connector 9, an upper shell 11, a lower shell 12, a capacitor hole 21, a power supply spring pinhole 22, a VH/VA terminal hole 23, a jackscrew hole 24 and a road board 100 to be tested.

Wherein like parts are designated by like reference numerals throughout the several views; the figures are not drawn to scale.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

Examples

As shown in fig. 1 to 5, a novel detachable multi-path board test fixture in this embodiment includes a fixture housing 1, a fixture 2, a control board 3, and a switch power supply 4, the fixture 2 is fixed outside the fixture housing 1 by screws, a to-be-tested board 100 is placed on the fixture 2, different boards can be tested to replace different fixtures 2, the control board 3 and the switch power supply 4 are all fixed inside the fixture housing 1, a plurality of holes are opened on the fixture 2, this embodiment shows a capacitor hole 21, a power spring pinhole 22, a VH/VA terminal hole 23, the capacitor hole 21 is used for some to-be-tested boards with large capacitance, if the hole is not provided, then the large capacitor part can block the whole board to be mounted in place, the test is affected, each terminal of the to-be-tested board 100 is connected with the control board 3 by a plurality of holes on the fixture 2, and the control board 3 is electrically connected with the switch power supply 4. The switching power supply 4 provides a proper working voltage for the whole test fixture during testing.

As a preferred implementation manner of this embodiment, the side surface of the fixture 2 is provided with a plurality of top thread holes 24, and the top threads are inserted into the top thread holes 24 to fix each terminal of the circuit board 100 to be tested, so that the circuit board can be relatively firmly fixed to the tool housing 1.

As a preferred implementation manner of this embodiment, the tool casing 1 is further provided with a display screen 5, the display screen 5 is electrically connected with the control board 3, and the display screen 5 and the fixture 2 of this embodiment are both located at the top of the tool casing 1, so that an operator can conveniently test and view test data through the display screen 5 in real time.

Further, the tool shell 1 is further provided with a power switch 6 and an indicator lamp 7, the power switch 6 is electrically connected with the power switch 4, the indicator lamp 7 is electrically connected with the control board 3, the power switch 6 is used for an operator to manually start a test circuit part of the test tool, and the indicator lamp 7 is used for displaying test conditions in a test process, such as a test to find that a road board to be tested has a problem, and an operator is informed in a flashing mode.

As a preferred implementation manner of this embodiment, the test fixture further includes an independent test module terminal 8, where the independent test module terminal 8 is disposed on a side surface of the fixture housing 1 and is electrically connected to the control board 3, and the independent test module terminal 8 is used as an extension module of the test fixture, so that separate tests on different modules such as temperature, humidity, pressure, and ultrasonic waves can be implemented.

As a preferred implementation manner of this embodiment, the test fixture further includes a waterproof power connector 9, where the waterproof power connector 9 is disposed on a side surface of the fixture housing 1, and is used for connecting an external power supply and the switching power supply 4, and has a waterproof function.

As a preferred implementation manner of this embodiment, the tool housing 1 includes an upper housing 11 and a lower housing 12, the upper housing 11 and the lower housing 12 are fastened and connected to form the tool housing 1, the display screen 5, the power switch 6, the indicator lamp 7, and the fixture 2 are all disposed on the upper housing 11, and the control board 3, the switch power supply 4, the independent test module terminal 8, and the power waterproof connector 9 are all disposed on the lower housing 12.

As a preferred implementation manner of the text embodiment, the main control board 3 comprises a main control chip, a voltage stabilizing protection circuit, a road board information acquisition circuit and an independent test module acquisition circuit, wherein the voltage stabilizing protection circuit, the road board information acquisition circuit and the independent test module acquisition circuit are respectively and electrically connected with the main control chip, the road board information acquisition circuit is connected with the road board 100 to be tested through a wire harness, and the independent test module acquisition circuit is connected with an independent test module terminal 8 through a wire harness, and the model of the main control chip of the embodiment is STM32F103VTC4. The circuit board information acquisition circuit mainly realizes the acquisition of voltage and current signals. The independent test module acquisition circuit mainly realizes acquisition of sensor signals on the expansion module, and the independent test module acquisition circuits are different according to different functions. The voltage stabilizing protection circuit, the circuit board information acquisition circuit and the independent test module acquisition circuit can be realized by adopting circuits in the prior art.

The fixture 2 is made of black POM insulating materials, the fixture shell 1 and the fixture 2 are fixed by screws, and the fixture 2 can be detached and replaced. The VH/VA terminal and the circuit board power supply spring needle are fixed on the clamp 2 by using jackscrews, and when a user uses the clamp, the circuit board 100 to be measured is directly buckled on the clamp 2 for measurement. In addition, the two sides of the tool shell 1 are provided with independent measuring modules 8 serving as expansion modules, and a user can add independent module measuring ports according to different requirements. The control board 3 processes the data collected by the to-be-tested circuit board 100 and the independent module port on the fixture 2 and feeds the data back to the display screen 5 and the indicator lamp 7. When the tool is started, the tool can perform self-checking, and whether each module is normal or not is displayed on the display screen 5. When encountering the road board with problems, the tool can stop supplying power to the road board to achieve the effect of protecting the road board. Meanwhile, the indicator lamp 7 flashes to prompt. If the road board has no problem, the display screen 5 can enter the measurement page to measure each module.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims (9)

1. The utility model provides a novel detachable multipath board test fixture, its characterized in that, including frock casing, anchor clamps, control panel, switching power supply, the anchor clamps can be dismantled and connect outside the frock casing, place the road board that awaits measuring on the anchor clamps, control panel, switching power supply all fix inside the frock casing, it has a plurality of holes to open on the anchor clamps, each terminal of road board that awaits measuring passes through a plurality of holes on the anchor clamps and is connected with the control panel by wire, control panel and switching power supply electric connection.

2. The novel detachable multipath board testing tool according to claim 1, wherein a plurality of top wire holes are formed in the side face of the clamp, and each terminal of the road board to be tested is fixed through inserting a top wire into each top wire hole.

3. The novel detachable multiway board testing tool of claim 1, wherein a display screen is further arranged on the tool shell, and the display screen is electrically connected with the control board.

4. The novel detachable multiway board testing tool of claim 1, wherein the tool shell is further provided with a power switch and an indicator lamp, the power switch is electrically connected with the switching power supply, and the indicator lamp is electrically connected with the control board.

5. The novel detachable multiway board testing tool of claim 1, further comprising an independent testing module terminal disposed on the tool housing and electrically connected to the control board.

6. The novel detachable multiway board testing tool of claim 1, further comprising a power waterproof connector, wherein the power waterproof connector is disposed on the tool housing.

7. The novel detachable multiway board testing tool of claim 1, wherein the tool housing comprises an upper housing and a lower housing, and wherein the upper housing and the lower housing are buckled and connected to form the tool housing.

8. The novel detachable multi-path board testing tool according to claim 5, wherein the control board comprises a main control chip, a voltage stabilizing protection circuit and a path board information acquisition circuit, the voltage stabilizing protection circuit and the path board information acquisition circuit are respectively and electrically connected with the main control chip, and the path board information acquisition circuit is connected with a path board to be tested through a wire harness.

9. The novel detachable multiway board testing tool of claim 8, wherein the control board further comprises an independent test module acquisition circuit, wherein the independent test module acquisition circuit is electrically connected to the independent test module terminals.