# US 10,481,197 B2 · Circuit board testing device and chassis for same

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- Number: US 10,481,197 B2
- Document ID: US10481197B2
- Status: Granted
- Kind: B2
- Application number: 15/391,801
- Filed: 2016-12-27
- Published: 2018-06-28
- Granted: 2019-11-19
- Earliest claimed: 2016-12-27
- Assignees: Nanning Fugui Precision Industrial Co., Ltd.
- Applicants: Nanning Fugui Precision Industrial Co., Ltd.
- Inventors: Sheng-Yen Lin
- Web page: https://patentgrep.com/patent/US10481197B2

## CPC

- G01R 31/2806: {Apparatus therefor, e.g. test stations, drivers, analysers, conveyors (G01R31/2805, G01R31/281, G01R31/2818 take precedence)}
- G01R: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES (indicating correct tuning of resonant circuits H03J3/12)

## Abstract

A circuit board testing device able to apply tests to the front and reverse surfaces of the circuit board includes a control unit, at least one testing unit, and a chassis. The chassis includes a bottom frame, a plug member slidably mounted to the bottom frame, a side frame connected to an edge of the bottom frame and a back plate which includes at least two installation parts. The back plate is fixed to the side frame, and the testing unit is installed to the chassis. A chassis is also disclosed.

## Claims

### Claim 1

A circuit board testing device comprising:
a control unit;
at least one testing unit; and
a chassis comprising:
a bottom frame;
a plug member slidably mounted to the bottom frame;
a side frame connected to an edge of the bottom frame; and
a back plate comprising at least two symmetrical installation parts;
wherein the back plate is fixed to the side frame, the testing unit is installed to the chassis through the at least two symmetrical installation parts;
wherein each of the bottom frame and the side frame is a rectangular frame defined by supporting poles, each of the two opposite ends of the plug member are slidably connected to each of the two parallel supporting poles of the bottom frame;
wherein each of the supporting poles is rectangular shaped, each of the supporting poles comprises two opposite end surfaces and four side surfaces connected between the two opposite end surfaces, each of the four side surfaces defines a clamping slot, two opposite ends of the plug member are respectively and slidably connected to a clamping slot of two parallel supporting poles of the bottom frame;
wherein the plug member comprises:
a sliding bar comprising two clamping parts on two opposite ends of the sliding bar; and
a connector detachably connected to the sliding bar;
the two opposite ends of the sliding bar are respectively and slidably connected to a clamping slot of the two parallel supporting poles of the bottom frame through the two clamping parts.

### Claim 2 (depends on 1)

The circuit board testing device of claim 1, wherein the connector comprises two plug boards perpendicularly connected to each other, the connector selectively connected to the sliding bar through one of the two plug boards.

### Claim 3 (depends on 1)

The circuit board testing device of claim 1, further comprising a cooling member slidably connected to an upper side of the side frame.

### Claim 4 (depends on 3)

The circuit board testing device of claim 3, wherein the cooling member comprises:
at least one cooling fan;
a wind scooper comprising a slider; and
a wind leading channel interconnected between the cooling fan and the wind scooper;
a sliding slot is defined on the upper side of the side frame to receive the slider.

### Claim 5 (depends on 4)

The circuit board testing device of claim 4, wherein the slider comprises:
a guiding piece extending along a direction of the sliding slot and being received in the sliding slot; and
a connecting piece connected between the wind leading channel and the guiding piece.

### Claim 6 (depends on 4)

The circuit board testing device of claim 4, wherein the wind scooper is rotatably connected to an outlet end of the wind leading channel.

### Claim 7 (depends on 1)

The circuit board testing device of claim 1, wherein the control unit comprises:
a power source;
a control board electrically connected to the power source; and
a heat dissipation channel formed between the power source and the control board.

### Claim 8

A chassis used in a circuit board testing device for a testing unit, the chassis comprising:
a bottom frame;
a plug member slidably mounted to the bottom frame;
a side frame connected to an edge of the bottom frame; and
a back plate comprising at least two symmetrical installation parts;
wherein the back plate is fixed to the side frame, the testing unit is installed to the chassis through the at least two symmetrical installation parts;
wherein each of the bottom frame and the side frame is a rectangular frame defined by supporting poles, each of the two opposite ends of the plug member are slidably connected to each of the two parallel supporting poles of the bottom frame;
wherein each of the supporting poles is rectangular shaped, each of the supporting poles comprises two opposite end surfaces and four side surfaces connected between the two opposite end surfaces, each of the four side surfaces defines a clamping slot, two opposite ends of the plug member are respectively and slidably connected to a clamping slot of two parallel supporting poles of the bottom frame;
wherein the plug member comprises:
a sliding bar comprising two clamping parts on two opposite ends of the sliding bar; and
a connector detachably connected to the sliding bar;
the two opposite ends of the sliding bar are respectively and slidably connected to a clamping slot of the two parallel supporting poles of the bottom frame through the two clamping parts.

### Claim 9 (depends on 8)

The chassis of claim 8, wherein the connector comprises two plug boards perpendicularly connected to each other, the connector selectively connected to the sliding bar through one of the two plug boards.

### Claim 10 (depends on 8)

The chassis of claim 8, further comprising a cooling member slidably connected to an upper side of the side frame.

### Claim 11 (depends on 10)

The chassis of claim 10, wherein the cooling member comprises:
at least one cooling fan;
a wind scooper comprising a slider; and
a wind leading channel interconnected between the cooling fan and the wind scooper;
a sliding slot is defined on the upper side of the side frame to receive the slider.

### Claim 12 (depends on 11)

The chassis of claim 11, wherein the slider comprises:
a guiding piece extending along a direction of the sliding slot and being received in the sliding slot; and
a connecting piece connected between the wind leading channel and the guiding piece.

### Claim 13 (depends on 11)

The chassis of claim 11, wherein the wind scooper is rotatably connected to an outlet end of the wind leading channel.