CN207764375U

CN207764375U - Ultrasonic sensor

Info

Publication number: CN207764375U
Application number: CN201721850008.2U
Authority: CN
Inventors: 陈富; 黄锦辉
Original assignee: Prestige Sensing Science And Technology Co Ltd Of Guangdong Audi
Current assignee: Prestige Sensing Science And Technology Co Ltd Of Guangdong Audi
Priority date: 2017-12-26
Filing date: 2017-12-26
Publication date: 2018-08-24
Anticipated expiration: 2027-12-26

Abstract

The utility model provides a kind of ultrasonic sensor, including shell, the probe being inserted into shell, it is characterized in that, it is provided with Plug pin patch bay in the shell, shell contact pin is fitted in the Plug pin patch bay, the probe is provided with probe contact pin towards one end of the shell contact pin, and the probe contact pin is electrically connected with the shell contact pin.Above-mentioned ultrasonic sensor is connect by contact pin of popping one's head in the shell contact pin being inserted on Plug pin patch bay, is connected firmly, at low cost, easy to operate.

Description

Ultrasonic sensor

Technical field

The utility model is related to ultrasonic technique fields, more specifically, are related to a kind of sonac.

Background technology

Sonac is common component in reversing automobile and object ranging.

As illustrated by figures 1 a-1 c, sonac includes shell 1, and one end is provided with circuit board (PCB) 2 in the shell, separately One end is provided with probe 3,3 transmitting ultrasonic signal of the probe and the reflection for receiving the barrier near motor vehicle or the object Signal, the signal processor on the circuit board 2 can be determined according to the transmission time of signal apart from barrier or the object The distance of body.

The connection type of above-mentioned probe 3 and circuit board 2 is mainly the following：

As shown in Figure 1a, the probe 3 is connected with terminal 5 towards one end of circuit board 2 by conducting wire 4, first probe 3 Terminal 5 is fixed on housings, then circuit board 2 is covered on the probe 3, on the circuit board 2 by the welding of terminal 5, above-mentioned The shortcomings that connection type, is：The size of terminal 5 is required relatively high, 4 wire rod of conducting wire has certain resilience, in assembling process Terminal can be made to be detached from the locating slot of circuit board 2.

As shown in Figure 1 b, directly with needle mode is gone out, wiring board 2 is directly inserted in above contact pin 6 probe 3, then is welded, on The shortcomings that stating connection type is：Requirement to contact pin is relatively high, and contact pin modification or inclination can all cause PCB sets not entered, Or probe is caused to tilt.

As illustrated in figure 1 c, 3 terminal 5 of popping one's head in directly is welded in above PCB, i.e., the terminal 5 of probe 3 is directly inserted in PCB's Above hole, then carry out being the shortcomings that welding above-mentioned connection type again：The grade of probe is easy anti-inserted, needs manually to align, It is unfavorable for automatic assembling.

Utility model content

In view of the above problems, it is super to be to provide that a kind of reliability is high, at low cost, operation difficulty is low for the purpose of this utility model Sonic sensor.

To achieve the goals above, the utility model provides a kind of ultrasonic sensor, including shell and is fixed with shell Probe together is provided with Plug pin patch bay in the shell, is fitted with shell contact pin in the Plug pin patch bay, and the probe is towards institute The one end for stating shell contact pin is provided with probe contact pin, and the probe contact pin is electrically connected with the shell contact pin.

The ultrasonic sensor, wherein one end that the probe contact pin is electrically connected with the shell contact pin is in bending Shape.

The ultrasonic sensor, wherein one end that the shell contact pin is electrically connected with the probe contact pin is provided with Pad.

The ultrasonic sensor, wherein one end that the shell contact pin is electrically connected with the probe contact pin is in bending Shape.

The ultrasonic sensor, wherein the shell contact pin is L-shaped, and the probe contact pin is in inverted "L" shape.

The ultrasonic sensor, wherein shell one end opposite with the probe is provided with circuit board, described Shell contact pin one end and the circuit board electrical connection, the other end are electrically connected the probe contact pin.

The ultrasonic sensor, wherein the probe contact pin is metal ferrule or flexible PCB.

The ultrasonic sensor, wherein the probe is fixedly connected by elastic component with the shell.

The ultrasonic sensor, wherein further include connection terminal, connect with external equipment.

Above-mentioned ultrasonic sensor is connect by contact pin of popping one's head in the shell contact pin being inserted on Plug pin patch bay, is connected firmly, It is at low cost, it is easy to operate.

Description of the drawings

By reference to the explanation below in conjunction with attached drawing, with the utility model is more fully understood, the utility model Other purposes and result will be more clearly understood and understood.In the accompanying drawings：

Fig. 1 a-1c are the schematic diagrames of prior art ultrasonic sensor；

Fig. 2 is the stereoscopic schematic diagram of ultrasonic sensor described in the utility model；

Fig. 3 is the schematic top plan view of ultrasonic sensor described in the utility model；

Fig. 4 be in Fig. 3 A-A to schematic cross-sectional view；

Fig. 5 is the stereoscopic schematic diagram of shell contact pin described in the utility model；

Fig. 6 a and 6b are the schematic diagrames of probe contact pin described in the utility model.

Identical label indicates similar or corresponding feature or function in all the appended drawings.

Specific implementation mode

In the following description, for purposes of illustration, it in order to provide the comprehensive understanding to one or more embodiments, explains Many details are stated.It may be evident, however, that these embodiments can also be realized without these specific details.

Fig. 2 is the stereoscopic schematic diagram of ultrasonic sensor described in the utility model, and Fig. 3 is ultrasonic wave described in the utility model The schematic top plan view of sensor, Fig. 4 be in Fig. 3 A-A to schematic cross-sectional view, as in Figure 2-4, ultrasonic wave described in the present embodiment Sensor includes：

Shell 1, one end open；

Plug pin patch bay 7 is fixedly connected with the shell 1；

Shell contact pin 8 is inserted into the Plug pin patch bay 7；

Probe 3, is inserted into the opening of the shell, is fixedly connected with shell 1；

Probe contact pin 9, one end are electrically connected with probe 3, and the other end is electrically connected with the shell contact pin 8.

The other end that above-mentioned probe contact pin 9 is connect with shell contact pin 8 can be in bending, facilitate shell contact pin 8 with The electrical connection of probe contact pin 9, but the utility model is not limited to this, the connecting pin of the probe contact pin 9 and shell contact pin 8 can With the shape being fitted into any phase.

Preferably, circuit board 2 is additionally provided in the shell 1, described 8 one end of shell contact pin is electrically connected with the circuit board 2 It connects, the other end is electrically connected with the probe contact pin 9, for example, shell 1 is in the cavity that both ends can be open, one end open is for being put into Circuit board 2, another end opening is for being fixedly connected with probe 3, and the setting of Plug pin patch bay 7 is between circuit board 2 and probe 3.

Furthermore it is preferred that the probe 3 is fixedly connected by elastic component 10 with the shell 1, further, it is preferable that institute It is silica gel sheath to state elastic component 10.

In a preferred embodiment of the utility model, as shown in figure 5, shell contact pin 8 includes insertion arm 8b and first Linking arm 8a, probe contact pin 9 include the first arm 9a and the second arm 9b, and the insertion arm 8b of shell contact pin 8 is inserted into socket 7, described First arm 9as of the first linking arm 8a from one end of insertion arm 8b towards probe contact pin 9 extends, the probe contact pin 9 connect the The both ends of one arm 9a are electrically connected with the first linking arm 8a and the second arm 9b respectively, and the second arm 9b is electrically connected with probe 3, it is preferable that First linking arm 8a is provided with pad, passes through welding so that shell contact pin 8 is electrically connected with probe contact pin 9.

The manufacturing process of above-mentioned ultrasonic sensor is as follows：

First the bending of the probe contact pin 9 of probe 3；

Then probe contact pin 9 is welded on the pad of shell contact pin 8 again.

Since probe contact pin 9 and shell contact pin 8 are by pad solder, requirement and manufacture craft to position require not It is high.First shell contact pin 8 is fixed on 7 the inside of Plug pin patch bay of shell, then probe contact pin 9 and shell contact pin 8 are welded together.

In a preferred embodiment of the utility model, the insertion arm 8b of the shell contact pin 8 and the first linking arm 8a It is connected in bending, the 9 first arm 9a of probe contact pin and the second arm 9b is connected in opposite curvature shape, for example, the shell is inserted The insertion arm 8b of needle 8 and the first L-shaped connections of linking arm 8a, the 9 first arm 9a of probe contact pin and the second arm 9b are in inverted " L " Type connects.

It is inserted into Plug pin patch bay 7 in order to facilitate shell contact pin 8, in one embodiment of the utility model, Plug pin patch bay 7 is in both ends The cavity of opening, the width of the insertion arm 8b of shell contact pin 8 are less than the cavity width of Plug pin patch bay 7, the width of the first linking arm 8a More than the cavity width of Plug pin patch bay 7, by first while facilitating the insertion arm 8b of shell contact pin to be inserted upwardly into Plug pin patch bay cavity Linking arm 8a limits.

Preferably, have on the cavity of Plug pin patch bay 7 and crack, shell contact pin 8 further includes the second linking arm 8c, the second linking arm The both ends 8c are connect with insertion arm 8b and the first linking arm 8a respectively, and the width of the second linking arm 8c is not less than the width of Plug pin patch bay cavity Degree so that shell contact pin 8 and Plug pin patch bay 7 are tightly fastened connection.

Probe contact pin 9 in the various embodiments described above can be metal ferrule or flexible PCB as shown in figure 6 a and 6b (FPC), for example, as shown in Figure 6 b, extending FPC on probe 3, using above-mentioned production method, FPC being directly welded in shell contact pin Above 8.

Ultrasonic sensor in the various embodiments described above can also include connection terminal 11, connect external equipment, such as electricity Plug pin patch bay 7 is placed in source etc., as shown in Figures 2 and 3,1 interior side of shell, and the other side is provided with multiple connecting contact pins 12, is connected Contact pin 12 is connect by the connection terminal 11 being fixedly connected with shell 1 with external equipment, wherein shell 1 and connection terminal 11 can To be integrally formed.

Although content disclosed above shows the exemplary embodiment of the utility model, it should be noted that not carrying on the back Under the premise of the scope of the utility model limited from claim, it may be many modifications and change.In addition, although this reality It can be described or required in the form of individual with novel element, it is also contemplated that it is multiple, it is unless explicitly limited odd number.

Claims

1. a kind of ultrasonic sensor, including shell and the probe that is fixed together with shell, which is characterized in that in the shell It is provided with Plug pin patch bay, shell contact pin is fitted in the Plug pin patch bay, the probe is provided with towards one end of the shell contact pin Probe contact pin, the probe contact pin are electrically connected with the shell contact pin.

2. ultrasonic sensor according to claim 1, which is characterized in that the probe contact pin and shell contact pin electricity One end of connection is in bending.

3. ultrasonic sensor according to claim 1, which is characterized in that the shell contact pin and probe contact pin electricity One end of connection is provided with pad.

4. ultrasonic sensor according to claim 1, which is characterized in that the shell contact pin and probe contact pin electricity One end of connection is in bending.

5. ultrasonic sensor according to claim 4, which is characterized in that the shell contact pin is L-shaped, the probe Contact pin is in inverted "L" shape.

6. ultrasonic sensor according to claim 1, which is characterized in that shell one end opposite with the probe It is provided with circuit board, shell contact pin one end and the circuit board electrical connection, the other end is electrically connected the probe contact pin.

7. ultrasonic sensor according to claim 1, which is characterized in that the probe contact pin is metal ferrule or flexibility Circuit board.

8. ultrasonic sensor according to claim 1, which is characterized in that the probe passes through elastic component and the shell It is fixedly connected.

9. ultrasonic sensor according to claim 1, which is characterized in that further include connection terminal, connect with external equipment It connects.