阅读说明：本技术 一种通信设备用的蜂鸣器加工生产的质量检测方法 (Quality detection method for processing production of buzzer for communication equipment ) 是由 钱苏文 钱江萍 李欢 于 2021-08-31 设计创作，主要内容包括：本发明公开了一种通信设备用的蜂鸣器加工生产的质量检测方法,依次包括如下步骤：材料准备步骤；外观检测步骤；有源蜂鸣器的电声特性测试步骤；无源蜂鸣器的电声特性测试步骤；有源蜂鸣器和无源蜂鸣器的防水测试准备步骤；有源蜂鸣器和无源蜂鸣器的防水测试连接步骤；有源蜂鸣器和无源蜂鸣器的防水气密测试步骤；有源蜂鸣器和无源蜂鸣器的防水浸水测试步骤和有源蜂鸣器和无源蜂鸣器的防水水雾测试步骤。该通信设备用的蜂鸣器加工生产的质量检测方法,通过进水和水雾多种测试环境来对蜂鸣器进行测试,能够测试出蜂鸣器在户外雨天、浸水以及潮湿的环境中的适用情况,能够对蜂鸣器的适用环境进行判断,更加的稳定和合理。(The invention discloses a quality detection method for processing and producing a buzzer for communication equipment, which sequentially comprises the following steps: a material preparation step; an appearance detection step; testing the electroacoustic characteristics of the active buzzer; testing the electroacoustic characteristics of the passive buzzer; preparing waterproof tests of the active buzzer and the passive buzzer; a waterproof test connection step of the active buzzer and the passive buzzer; testing the waterproof and airtight performance of the active buzzer and the passive buzzer; the method comprises the steps of testing the active buzzer and the passive buzzer in a waterproof and soaking mode, and testing the active buzzer and the passive buzzer in a waterproof and water mist mode. According to the quality detection method for processing and producing the buzzer for the communication equipment, the buzzer is tested through various test environments of water inflow and water mist, the applicable condition of the buzzer in outdoor rainy days, water immersion and humid environments can be tested, the applicable environment of the buzzer can be judged, and the method is more stable and reasonable.)

1. A quality detection method for processing and producing a buzzer for communication equipment is characterized by sequentially comprising the following steps:

(1) material preparation: preparing an active buzzer, a passive buzzer, a set of air tightness detector equipment and a set of buzzer tester equipment for standby;

(2) and (3) appearance detection: performing simple and convenient detection on the appearances and pins of the active buzzer and the passive buzzer in the step (1) through observation, preventing damage from influencing the following test, and then waiting for standby;

(3) testing the electroacoustic characteristics of the active buzzer: connecting a stitch below the active buzzer in the step (1) with a direct current signal output test connecting line of a buzzer tester, then sending a direct current signal through the tester, receiving a sound source sent by the active buzzer through a microphone, and then collecting and processing data through a computer;

(4) testing the electroacoustic characteristics of the passive buzzer: connecting a pin of the passive buzzer in the step (1) with an alternating current signal output test connecting line of a buzzer tester, sending an alternating current signal through the tester, and then collecting and processing data with the step (3);

(5) the waterproof test preparation steps of the active buzzer and the passive buzzer are as follows: taking the active buzzer and the passive buzzer which are subjected to the electro-acoustic characteristic test in the step (3) and the step (4) down from the test connecting line, starting the prepared air tightness detector equipment in the step (1), and waiting for standby;

(6) the waterproof test connection steps of the active buzzer and the passive buzzer are as follows: placing the active buzzer and the passive buzzer taken out in the step (5) in a test fixture of the air tightness detector, and connecting an air outlet at the bottom of the test fixture to a test port of the air tightness detector for standby;

(7) the waterproof and airtight testing steps of the active buzzer and the passive buzzer are as follows: starting air tightness detection equipment, wherein the test is divided into a positive pressure test and a negative pressure test, the positive pressure test comprises the steps of air intake, stabilization and test, and the negative pressure test comprises the steps of suction, stabilization and test;

(8) the waterproof immersion test steps of the active buzzer and the passive buzzer are as follows: electrifying the active buzzer and the passive buzzer to detect whether the workpiece can be normally used, then taking down the active buzzer and the passive buzzer, soaking the active buzzer and the passive buzzer in water, taking out the active buzzer and the passive buzzer, wiping the water on the surface, electrifying again to detect, and observing whether the buzzer discharges water;

(9) the method comprises the following steps of testing the waterproof water mist of an active buzzer and a passive buzzer: and electrifying the active buzzer and the passive buzzer for testing, taking down the active buzzer and the passive buzzer, placing the active buzzer and the passive buzzer in the sealed and humid space, and taking out the active buzzer and the passive buzzer for electrifying detection again.

2. The method for detecting the quality of the buzzer processing production for communication equipment according to claim 1, wherein the method comprises the following steps: the buzzer tester in the step (1) adopts AWA 6128B.

3. The method for detecting the quality of the buzzer processing production for communication equipment according to claim 1, wherein the method comprises the following steps: the direct current voltage output by the buzzer tester in the step (3) is 0-10V, the frequency of the active buzzer is 20-20000 Hz, and the measuring time is controlled to be 1-5 s.

4. The method for detecting the quality of the buzzer processing production for communication equipment according to claim 1, wherein the method comprises the following steps: the amplitude range of the passive buzzer in the step (4) is 20 dB-130 dB, and the type of the signal output by the buzzer tester is sine wave or square wave.

5. The method for detecting the quality of the buzzer processing production for communication equipment according to claim 1, wherein the method comprises the following steps: and (3) the pumping time in the step (7) is 5s, the air inlet time is 5s, the stabilizing time is 2-5 s, and the testing time is 3-7 s.

6. The method for detecting the quality of the buzzer processing production for communication equipment according to claim 1, wherein the method comprises the following steps: the testing pressure in the step (7) is 8-11 kpa, and the allowed maximum leakage amount is 0-0.3 kpa.

7. The method for detecting the quality of the buzzer processing production for communication equipment according to claim 1, wherein the method comprises the following steps: the humidity of the closed humid space in the step (9) is 30% -90%, and the testing time is 30 min-2 h.

Technical Field

The invention relates to the technical field of buzzer production detection, in particular to a quality detection method for processing and production of a buzzer for communication equipment.

Background

The buzzer is an electronic buzzer with an integrated structure, adopts direct current voltage for power supply, and is widely applied to electronic products such as computers, printers, copiers, alarms, electronic toys, automobile electronic equipment, communication equipment, timers and the like as a sounding device. The buzzer is mainly divided into two types, namely a piezoelectric buzzer and an electromagnetic buzzer. The piezoelectric buzzer is formed by adhering a piezoelectric material to a metal sheet, when a voltage is applied to two ends of the piezoelectric material and the metal sheet, the piezoelectric material and the metal sheet generate mechanical deformation to generate sound due to a piezoelectric effect, and the electromagnetic buzzer is different from the piezoelectric buzzer, is an electronic sound device which generates sound by utilizing the action of an electromagnetic coil on the piezoelectric material and is used for serving as a sound generating device for an electronic product.

However, the quality detection method in the processing production of the buzzer for the communication equipment in the market at present cannot meet the requirements of people due to relatively imperfect technology, and in the prior art, the buzzer for the communication equipment often only performs certain tests on the circuit and decibel of the buzzer when performing quality detection, so that the detection of the waterproof performance of the buzzer is ignored, the produced buzzer cannot be widely applied to the market, and the buzzer is damaged after being used for a period of time, and the normal use of a user is influenced, and unnecessary loss and waste are caused. Therefore, we propose a quality inspection method for processing production of a buzzer for communication equipment so as to solve the problems set forth above.

Disclosure of Invention

The invention aims to provide a quality detection method for processing and producing a buzzer for communication equipment, which solves the problems that the quality detection method for processing and producing the buzzer for the communication equipment in the prior art is relatively incomplete in technology and cannot meet the requirements of people, and in the prior art, the buzzer for the communication equipment is often subjected to certain tests on the circuit and decibels of the buzzer during quality detection, so that the detection of the waterproof performance of the buzzer is ignored, the produced buzzer cannot be widely applied to the market, and the normal use of a user is influenced and unnecessary loss and waste of the user are caused due to the fact that the buzzer is damaged after the buzzer is used for a period of time.

In order to achieve the purpose, the invention provides the following technical scheme: a quality detection method for processing and producing a buzzer for communication equipment sequentially comprises the following steps:

(1) material preparation: preparing an active buzzer, a passive buzzer, a set of air tightness detector equipment and a set of buzzer tester equipment for standby;

(2) and (3) appearance detection: performing simple and convenient detection on the appearances and pins of the active buzzer and the passive buzzer in the step (1) through observation, preventing damage from influencing the following test, and then waiting for standby;

(3) testing the electroacoustic characteristics of the active buzzer: connecting a stitch below the active buzzer in the step (1) with a direct current signal output test connecting line of a buzzer tester, then sending a direct current signal through the tester, receiving a sound source sent by the active buzzer through a microphone, and then collecting and processing data through a computer;

(4) testing the electroacoustic characteristics of the passive buzzer: connecting a pin of the passive buzzer in the step (1) with an alternating current signal output test connecting line of a buzzer tester, sending an alternating current signal through the tester, and then collecting and processing data with the step (3);

(5) the waterproof test preparation steps of the active buzzer and the passive buzzer are as follows: taking the active buzzer and the passive buzzer which are subjected to the electro-acoustic characteristic test in the step (3) and the step (4) down from the test connecting line, starting the prepared air tightness detector equipment in the step (1), and waiting for standby;

(6) the waterproof test connection steps of the active buzzer and the passive buzzer are as follows: placing the active buzzer and the passive buzzer taken out in the step (5) in a test fixture of the air tightness detector, and connecting an air outlet at the bottom of the test fixture to a test port of the air tightness detector for standby;

(7) the waterproof and airtight testing steps of the active buzzer and the passive buzzer are as follows: starting air tightness detection equipment, wherein the test is divided into a positive pressure test and a negative pressure test, the positive pressure test comprises the steps of air intake, stabilization and test, and the negative pressure test comprises the steps of suction, stabilization and test;

(8) the waterproof immersion test steps of the active buzzer and the passive buzzer are as follows: electrifying the active buzzer and the passive buzzer to detect whether the workpiece can be normally used, then taking down the active buzzer and the passive buzzer, soaking the active buzzer and the passive buzzer in water, taking out the active buzzer and the passive buzzer, wiping the water on the surface, electrifying again to detect, and observing whether the buzzer discharges water;

(9) the method comprises the following steps of testing the waterproof water mist of an active buzzer and a passive buzzer: and electrifying the active buzzer and the passive buzzer for testing, taking down the active buzzer and the passive buzzer, placing the active buzzer and the passive buzzer in the sealed and humid space, and taking out the active buzzer and the passive buzzer for electrifying detection again.

Preferably, the buzzer tester in the step (1) adopts AWA 6128B.

Preferably, the direct current voltage output by the buzzer tester in the step (3) is 0-10V, the frequency of the active buzzer is 20 Hz-20000 Hz, and the measuring time is controlled to be 1-5 s.

Preferably, the amplitude range of the passive buzzer in the step (4) is 20dB to 130dB, and the type of the signal output by the buzzer tester is a sine wave or a square wave.

Preferably, the pumping time in the step (7) is 5s, the air inlet time is 5s, the stabilizing time is 2-5 s, and the testing time is 3-7 s.

Preferably, the test pressure in the step (7) is 8-11 kpa, and the maximum allowable leakage amount is 0-0.3 kpa.

Preferably, the humidity of the closed humid space in the step (9) is 30% -90%, and the testing time is 30 min-2 h.

Compared with the prior art, the invention has the beneficial effects that: the quality detection method for processing and producing the buzzer for the communication equipment comprises the following steps:

(1) the initial detection is carried out on the test product through the appearance detection, so that the damage in the use process can be prevented, the detection efficiency and progress are prevented from being delayed, and the detection and the test are carried out by adopting two active buzzers and a passive buzzer, so that which one of the active buzzer and the passive buzzer can be more suitable for communication equipment, and the method is more practical;

(2) the airtightness detection equipment is used for detecting the airtightness of the buzzer, so that whether the airtightness performance of the buzzer reaches the standard can be detected, the buzzer can be suitable for different working conditions, and the phenomenon that the service life of the buzzer is reduced in an inapplicable environment to cause unnecessary loss is prevented;

(3) the buzzer is tested through various test environments of water inflow and water mist, the applicable conditions of the buzzer in outdoor rainy days, water immersion and humid environments can be tested, the applicable environment of the buzzer can be judged, and the buzzer is more stable and reasonable.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

The invention provides a technical scheme that: a quality detection method for processing and producing a buzzer for communication equipment sequentially comprises the following steps:

(1) material preparation: preparing a group of active buzzers, passive buzzers, air tightness detector equipment and a group of buzzer tester equipment, and waiting for standby application, wherein the buzzer tester adopts AWA 6128B;

(2) and (3) appearance detection: performing simple and convenient detection on the appearances and pins of the active buzzer and the passive buzzer in the step (1) through observation, preventing damage from influencing the following test, and then waiting for standby;

(3) testing the electroacoustic characteristics of the active buzzer: connecting a stitch below the active buzzer in the step (1) with a direct current signal output test connecting line of a buzzer tester, then sending a direct current signal through the tester, receiving a sound source sent by the active buzzer through a microphone, and then collecting and processing data through a computer, wherein the direct current voltage output by the buzzer tester is 2V, the frequency of the active buzzer is 5000Hz, and the measurement time is controlled to be 1 s;

(4) testing the electroacoustic characteristics of the passive buzzer: connecting a pin of the passive buzzer in the step (1) with an alternating current signal output test connecting line of a buzzer tester, sending an alternating current signal through the tester, and then collecting and processing data with the step (3), wherein the amplitude range of the passive buzzer is 20dB, and the type of the signal output by the buzzer tester is sine wave;

(5) the waterproof test preparation steps of the active buzzer and the passive buzzer are as follows: taking the active buzzer and the passive buzzer which are subjected to the electro-acoustic characteristic test in the step (3) and the step (4) down from the test connecting line, starting the prepared air tightness detector equipment in the step (1), and waiting for standby;

(6) the waterproof test connection steps of the active buzzer and the passive buzzer are as follows: placing the active buzzer and the passive buzzer taken out in the step (5) in a test fixture of the air tightness detector, and connecting an air outlet at the bottom of the test fixture to a test port of the air tightness detector for standby;

(7) the waterproof and airtight testing steps of the active buzzer and the passive buzzer are as follows: starting air tightness detection equipment, wherein the test is divided into a positive pressure test part and a negative pressure test part, the positive pressure test step comprises air inlet, stabilization and test, the negative pressure test step comprises suction, stabilization and test, the suction time is 5s, the air inlet time is 5s, the stabilization time is 2s, the test time is 7s, the test pressure is 8kpa, and the maximum allowable leakage amount is 0 kpa;

(8) the waterproof immersion test steps of the active buzzer and the passive buzzer are as follows: electrifying the active buzzer and the passive buzzer to detect whether the workpiece can be normally used, then taking down the active buzzer and the passive buzzer, soaking the active buzzer and the passive buzzer in water, taking out the active buzzer and the passive buzzer, wiping the water on the surface, electrifying again to detect, and observing whether the buzzer discharges water;

(9) the method comprises the following steps of testing the waterproof water mist of an active buzzer and a passive buzzer: and (3) electrifying the active buzzer and the passive buzzer for testing, taking down the active buzzer and the passive buzzer, placing the active buzzer and the passive buzzer in the closed humid space, taking out the active buzzer and the passive buzzer, electrifying for detecting again, wherein the humidity of the closed humid space is 30%, and the testing time is 2 h.

Example two

The invention provides a technical scheme that: a quality detection method for processing and producing a buzzer for communication equipment sequentially comprises the following steps:

(1) material preparation: preparing a group of active buzzers, passive buzzers, air tightness detector equipment and a group of buzzer tester equipment, and waiting for standby application, wherein the buzzer tester adopts AWA 6128B;

(2) and (3) appearance detection: performing simple and convenient detection on the appearances and pins of the active buzzer and the passive buzzer in the step (1) through observation, preventing damage from influencing the following test, and then waiting for standby;

(3) testing the electroacoustic characteristics of the active buzzer: connecting a stitch below the active buzzer in the step (1) with a direct current signal output test connecting line of a buzzer tester, then sending a direct current signal through the tester, receiving a sound source sent by the active buzzer through a microphone, and then collecting and processing data through a computer, wherein the direct current voltage output by the buzzer tester is 5V, the frequency of the active buzzer is 10000Hz, and the measurement time is controlled to be 3 s;

(4) testing the electroacoustic characteristics of the passive buzzer: connecting a pin of the passive buzzer in the step (1) with an alternating current signal output test connecting line of a buzzer tester, sending an alternating current signal through the tester, and then collecting and processing data with the step (3), wherein the amplitude range of the passive buzzer is 70dB, and the type of the signal output by the buzzer tester is a sine wave;

(5) the waterproof test preparation steps of the active buzzer and the passive buzzer are as follows: taking the active buzzer and the passive buzzer which are subjected to the electro-acoustic characteristic test in the step (3) and the step (4) down from the test connecting line, starting the prepared air tightness detector equipment in the step (1), and waiting for standby;

(6) the waterproof test connection steps of the active buzzer and the passive buzzer are as follows: placing the active buzzer and the passive buzzer taken out in the step (5) in a test fixture of the air tightness detector, and connecting an air outlet at the bottom of the test fixture to a test port of the air tightness detector for standby;

(7) the waterproof and airtight testing steps of the active buzzer and the passive buzzer are as follows: starting air tightness detection equipment, wherein the test is divided into a positive pressure test part and a negative pressure test part, the positive pressure test step comprises air inlet, stabilization and test, the negative pressure test step comprises suction, stabilization and test, the suction time is 5s, the air inlet time is 5s, the stabilization time is 3s, the test time is 5s, the test pressure is 10.2kpa, and the allowable maximum leakage amount is 0.1 kpa;

(8) the waterproof immersion test steps of the active buzzer and the passive buzzer are as follows: electrifying the active buzzer and the passive buzzer to detect whether the workpiece can be normally used, then taking down the active buzzer and the passive buzzer, soaking the active buzzer and the passive buzzer in water, taking out the active buzzer and the passive buzzer, wiping the water on the surface, electrifying again to detect, and observing whether the buzzer discharges water;

(9) the method comprises the following steps of testing the waterproof water mist of an active buzzer and a passive buzzer: and (3) electrifying the active buzzer and the passive buzzer for testing, taking down the active buzzer and the passive buzzer, placing the active buzzer and the passive buzzer in the closed humid space, taking out the active buzzer and the passive buzzer, electrifying for detecting again, wherein the humidity of the closed humid space is 60%, and the testing time is 1 h.

EXAMPLE III

The invention provides a technical scheme that: a quality detection method for processing and producing a buzzer for communication equipment sequentially comprises the following steps:

(1) material preparation: preparing a group of active buzzers, passive buzzers, air tightness detector equipment and a group of buzzer tester equipment, and waiting for standby application, wherein the buzzer tester adopts AWA 6128B;

(2) and (3) appearance detection: performing simple and convenient detection on the appearances and pins of the active buzzer and the passive buzzer in the step (1) through observation, preventing damage from influencing the following test, and then waiting for standby;

(3) testing the electroacoustic characteristics of the active buzzer: connecting a stitch below the active buzzer in the step (1) with a direct current signal output test connecting line of a buzzer tester, then sending a direct current signal through the tester, receiving a sound source sent by the active buzzer through a microphone, and then collecting and processing data through a computer, wherein the direct current voltage output by the buzzer tester is 10V, the frequency of the active buzzer is 20000Hz, and the measurement time is controlled to be 5 s;

(4) testing the electroacoustic characteristics of the passive buzzer: connecting a pin of the passive buzzer in the step (1) with an alternating current signal output test connecting line of a buzzer tester, sending an alternating current signal through the tester, and then collecting and processing data with the step (3), wherein the amplitude range of the passive buzzer is 130dB, and the type of the signal output by the buzzer tester is square wave;

(5) the waterproof test preparation steps of the active buzzer and the passive buzzer are as follows: taking the active buzzer and the passive buzzer which are subjected to the electro-acoustic characteristic test in the step (3) and the step (4) down from the test connecting line, starting the prepared air tightness detector equipment in the step (1), and waiting for standby;

(6) the waterproof test connection steps of the active buzzer and the passive buzzer are as follows: placing the active buzzer and the passive buzzer taken out in the step (5) in a test fixture of the air tightness detector, and connecting an air outlet at the bottom of the test fixture to a test port of the air tightness detector for standby;

(7) the waterproof and airtight testing steps of the active buzzer and the passive buzzer are as follows: starting air tightness detection equipment, wherein the test is divided into a positive pressure test part and a negative pressure test part, the positive pressure test step comprises air inlet, stabilization and test, the negative pressure test step comprises suction, stabilization and test, the suction time is 5s, the air inlet time is 5s, the stabilization time is 5s, the test time is 3s, the test pressure is 11kpa, and the maximum allowable leakage amount is 0.3 kpa;

(8) the waterproof immersion test steps of the active buzzer and the passive buzzer are as follows: electrifying the active buzzer and the passive buzzer to detect whether the workpiece can be normally used, then taking down the active buzzer and the passive buzzer, soaking the active buzzer and the passive buzzer in water, taking out the active buzzer and the passive buzzer, wiping the water on the surface, electrifying again to detect, and observing whether the buzzer discharges water;

(9) the method comprises the following steps of testing the waterproof water mist of an active buzzer and a passive buzzer: and (3) electrifying the active buzzer and the passive buzzer for testing, taking down the active buzzer and the passive buzzer, placing the active buzzer and the passive buzzer in the closed humid space, taking out the active buzzer and the passive buzzer, electrifying for detecting again, wherein the humidity of the closed humid space is 90%, and the testing time is 30 min.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.