CN211402584U

CN211402584U - Tool for probe on-off or aging test

Info

Publication number: CN211402584U
Application number: CN201922288330.6U
Authority: CN
Inventors: 明路; 王兰松; 周诚
Original assignee: Hubei Danrui New Material Technology Co ltd
Current assignee: Hubei Danrui New Material Technology Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-01
Anticipated expiration: 2029-12-18

Abstract

The utility model belongs to the field of production test of gas sensors, in particular to a tool for probe on-off or aging test, which comprises a base, wherein a plurality of connecting units are arranged on the base and are arranged in a row; the connecting unit comprises a bottom plate and a pressing plate, wherein a clamping groove for clamping and fixing the connector is formed in the bottom plate, the pressing plate is connected with the bottom plate through a vertical linear sliding mechanism, and an elastic probe matched with a wiring harness terminal on the connector is arranged on the pressing plate; when the wiring harness connector is used, the connector is clamped in the clamping groove, and the pressing plate presses the elastic probe down to be in contact electrical connection with the wiring harness terminal. The tool further comprises a linkage plate, wherein the linkage plate is located above all the connecting units, is fixedly connected with all the pressing plates through connecting rods and is used for synchronously controlling the actions of the pressing plates. The utility model discloses can connect a plurality of gas sensor's connector simultaneously, convenient in batches carry out break-make and aging testing.

Description

Tool for probe on-off or aging test

Technical Field

The utility model belongs to gas sensor's production test field, concretely relates to frock is used in test of probe break-make or ageing.

Background

Nitrogen oxides (NOx) refer to a mixture of NO and NO2, and are harmful gases that are one of the main causes of acid deposits such as acid rain, and cause damage to human health and the environment. With the increasing number of automobiles, the emission of exhaust gas increases the content of NOx gas in the atmosphere. In order to control the content of nitrogen oxides in the atmosphere, the content of nitrogen oxides needs to be detected, and the nitrogen oxides emitted by automobiles and the like need to be monitored. Nitrogen oxygen sensors currently mainly have: semiconductor type, concentration potential type, and composite potential type.

Along with the country more and more attach importance to the environmental protection, the diesel vehicle emission regulation is becoming stricter and more, and the vehicle of more than four countries has increased SCR aftertreatment system, and the nitrogen oxygen sensor is one of the most crucial parts in SCR aftertreatment system, detects the nitrogen oxygen concentration of tail gas in the engine exhaust pipe in the engine operation process, detects whether nitrogen oxygen discharges and satisfies the foul within the requirement range. With the coming of the sixth era in China, the emission standard requirements of diesel vehicles are stricter, and the loading demand of nitrogen oxygen sensors is larger. For a long time, the core technology of the nitrogen oxygen sensor, namely a semiconductor ceramic chip, is mastered by Japan, and the localization of the nitrogen oxygen sensor cannot be realized all the time. After years of efforts, I finally breaks through the technical barrier, realizes the complete independent research and development and production of the nitrogen oxygen sensor, and obtains higher market share.

The nitrogen-oxygen sensor product is divided into a probe part and a controller, and necessary inspection needs to be carried out before the probe part is connected with the controller, so that the semi-finished product of the probe which is carried out downwards is guaranteed to be good. The inspection of the probe portion is a very important task. The probe is generally provided with an 8P connector (used for being connected with a controller), wherein the probe part is positioned in a gas atmosphere during detection, the 8P connector is electrically connected with detection equipment, and the detection equipment is used for detecting the on-off state of the nitrogen-oxygen sensor and checking the yield of semi-finished products; meanwhile, the detection equipment can continuously electrify the probe to the nitrogen-oxygen sensor for aging detection durability. The prior art is single detection, and a batch detection device is not available at home at present.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a frock is used in test of probe break-make or ageing, provides the frock that a batch connection detected for gas sensor probe break-make and ageing tests.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a frock is used in test of probe break-make or ageing which characterized in that: the device comprises a base 1, wherein a plurality of connecting units 3 are arranged on the base 1, and the connecting units 3 are arranged in parallel in a row; the connecting unit 3 comprises a bottom plate 31 and a pressing plate 32, a clamping groove for clamping and fixing the connector 4 is formed in the bottom plate 31, the pressing plate 32 is connected with the bottom plate 31 through a vertical linear sliding mechanism, and an elastic probe 35 matched with a wiring harness terminal 5 on the connector 4 is arranged on the pressing plate 32; when the wiring harness connector is used, the connector 4 is clamped in the clamping groove, and the pressing plate 32 presses the elastic probe 35 downwards to be in contact with and electrically connected with the wiring harness terminal 5.

Further, the tool further comprises a linkage plate 2, wherein the linkage plate 2 is located above all the connecting units 3, is fixedly connected with all the pressing plates 32 through connecting rods 21, and is used for synchronously controlling the actions of the pressing plates 32.

Furthermore, the linkage plate 2 is connected with the pressure plate 32 through four connecting rods 21, and the four connecting rods 21 are located at four corners of the pressure plate 32.

Furthermore, two 7-shaped clamping pieces 33 which are symmetrically arranged are arranged on the bottom plate 31, and the two 7-shaped clamping pieces 33 form a clamping groove together.

Furthermore, the bottom plate 31 is provided with more than one positioning pin 34, and the positioning pins 34 are located inside the card slots and used for limiting the card-in depth position of the connector 4.

Further, the linear sliding mechanism comprises a linear bearing 36 and a linear bearing sliding rod 37, the lower end of the linear bearing sliding rod 37 is vertically fixed on the bottom plate 31, the linear bearing 36 is fixedly installed on the pressing plate 32, and the linear bearing 36 and the linear bearing sliding rod 37 are connected in a matching manner.

The utility model has the advantages that: the utility model discloses can connect a plurality of gas sensor's connector simultaneously, convenient in batches carry out break-make and aging testing.

Drawings

Fig. 1 is an overall schematic view of the present invention.

Fig. 2 is a schematic view of a portion a in fig. 1.

Fig. 3 is a first perspective view of the connection unit.

Fig. 4 is a second perspective view of the connection unit.

Fig. 5 is a perspective view of the connection unit and the connector when they are connected.

In the figure: the device comprises a base 1, a base 2, a linkage plate 21, a connecting rod 3, a connecting unit 31, a bottom plate 32, a pressing plate 33, a 7-shaped clamping piece 34, a positioning pin 34, an elastic probe 35, a linear bearing 36, a linear bearing sliding rod 37, a connector 4 and a wiring harness terminal 5.

Detailed Description

In order to better understand the present invention, the technical solution of the present invention is further described below with reference to the following embodiments.

As shown in fig. 1, 2, 3, 4 and 5, the tool for the on-off or aging test of the probe comprises a base 1, wherein a plurality of connecting units 3 are arranged on the base 1, and the connecting units 3 are arranged in a row in parallel.

As shown in fig. 3 and 4, the connecting unit 3 includes a bottom plate 31 and a pressing plate 32, a clamping groove for clamping and fixing the connector 4 is arranged on the bottom plate 31, two symmetrically arranged 7-shaped clamping pieces 33 are arranged on the bottom plate 31, and the two 7-shaped clamping pieces 33 jointly form the clamping groove. The bottom plate 31 is provided with more than one positioning pin 34, and the positioning pins 34 are located on the inner side of the clamping grooves and used for limiting the clamping depth position of the connector 4.

As shown in fig. 2, 3 and 4, the pressing plate 32 is connected with the bottom plate 31 through a vertical linear sliding mechanism, and an elastic probe 35 matched with the wiring harness terminal 5 on the connector 4 is arranged on the pressing plate 32; the linear sliding mechanism comprises a linear bearing 36 and a linear bearing sliding rod 37, the lower end of the linear bearing sliding rod 37 is vertically fixed on the bottom plate 31, the linear bearing 36 is fixedly installed on the pressing plate 32, and the linear bearing 36 is connected with the linear bearing sliding rod 37 in a matching mode.

As shown in fig. 1 and 2, the device further comprises a linkage plate 2, wherein the linkage plate 2 is located above all the connection units 3, and is fixedly connected with all the pressure plates 32 through the connecting rods 21, and is used for synchronously controlling the actions of the pressure plates 32. The linkage plate 2 is connected with the pressure plate 32 through four connecting rods 21, and the four connecting rods 21 are positioned at four corners of the pressure plate 32.

As shown in fig. 1 and 5, in use,

(1) the connectors 4 are all connected with probes, and the probes are placed in the air chambers; the elastic probe 35 is connected with the detection device through a wire.

(2) Inserting a plurality of connectors 4 into the corresponding slots until the connectors abut against the positioning pins 34;

(3) the linkage plate 2 is pressed downwards to drive all the pressing plates 32 to press downwards, and the elastic probes 35 are in contact with and electrically connected with the wiring harness terminals 5; starting detection equipment and simultaneously carrying out batch detection on a plurality of connectors 4; when the on-off detection is carried out, the yield of the semi-finished product is detected; the probe may also be continuously energized for degradation detection durability.

The above description is only an example of the present invention, and certainly, the scope of the present invention should not be limited thereto, and therefore, the present invention is not limited to the above description.

Claims

1. The utility model provides a frock is used in test of probe break-make or ageing which characterized in that: the device comprises a base (1), wherein a plurality of connecting units (3) are arranged on the base (1), and the connecting units (3) are arranged in parallel to form a row; the connecting unit (3) comprises a bottom plate (31) and a pressing plate (32), a clamping groove used for clamping and fixing the connector (4) is formed in the bottom plate (31), the pressing plate (32) is connected with the bottom plate (31) through a vertical linear sliding mechanism, and an elastic probe (35) matched with a wiring harness terminal (5) on the connector (4) is arranged on the pressing plate (32); during the use, connector (4) card is in the draw-in groove, and clamp plate (32) push down elastic probe (35) and pencil terminal (5) contact electric connection.

2. The tooling for the probe on-off or aging test according to claim 1, wherein: the tool further comprises a linkage plate (2), wherein the linkage plate (2) is located above all the connecting units (3), is fixedly connected with all the pressing plates (32) through connecting rods (21), and is used for synchronously controlling the actions of the pressing plates (32).

3. The tooling for the probe on-off or aging test according to claim 2, wherein: the linkage plate (2) is connected with the pressing plate (32) through four connecting rods (21), and the four connecting rods (21) are positioned at four corners of the pressing plate (32).

4. The tooling for the probe on-off or aging test according to claim 1, wherein: the bottom plate (31) is provided with two 7-shaped clamping pieces (33) which are symmetrically arranged, and the two 7-shaped clamping pieces (33) form a clamping groove together.

5. The tooling for the probe on-off or aging test according to claim 4, wherein: the bottom plate (31) is provided with more than one positioning pin (34), and the positioning pins (34) are located on the inner side of the clamping grooves and used for limiting the clamping depth position of the connector (4).

6. The tooling for the probe on-off or aging test according to claim 1, wherein: the linear sliding mechanism comprises a linear bearing (36) and a linear bearing sliding rod (37), the lower end of the linear bearing sliding rod (37) is vertically fixed on the bottom plate (31), the linear bearing (36) is fixedly installed on the pressing plate (32), and the linear bearing (36) and the linear bearing sliding rod (37) are connected in a matched mode.