CN110686729A - Test tool automatic identification device - Google Patents
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Abstract
本发明公开一种测试工装自动识别装置，包括信号转换与识别电路、被测产品接口、测试设备接口、微控制器、存储器和通信电路；存储器内存储有本装置的身份信息和使用日志，存储器与微控制器连接；微控制器通过通信电路与测试设备的通信电路通过有线或无线方式实现连接。在使用过程中，本发明能够让测试设备识别其是否为所需的工艺装备，这样能够达到自动识别工艺装备和测试工序防差错的目的。此外，本发明装置还能够还可通过识别工艺装备的流水编号来监控工艺装备的使用频率、使用寿命等信息，从而能够在工艺装备寿命前，提醒工作人员进行更换。
The invention discloses an automatic identification device for test tooling, comprising a signal conversion and identification circuit, a tested product interface, a test equipment interface, a microcontroller, a memory and a communication circuit; the memory stores the identity information and usage log of the device, and the memory Connect with the microcontroller; the microcontroller is connected with the communication circuit of the test equipment through a wired or wireless manner. During use, the present invention enables the testing equipment to identify whether it is the required technological equipment, so as to achieve the purpose of automatically identifying the technological equipment and preventing errors in the testing procedure. In addition, the device of the present invention can also monitor the use frequency, service life and other information of the process equipment by identifying the serial number of the process equipment, so that the staff can be reminded to replace the process equipment before the service life.
Description
技术领域technical field
本发明涉及电子产品检测技术领域，具体涉及一种测试工装自动识别装置。The invention relates to the technical field of electronic product testing, in particular to an automatic identification device for testing tooling.
背景技术Background technique
电子产品在生产过程中需要进行各种检测，同一产品可能会设定多个检测工序。检测过程中需要通过工艺装备来连接被测产品和测试设备，以实现被测产品和测试设备之间的信号转换和传输。然而，当使用通用的检测设备进行多个产品多项功能检测时，由于各测试工序所施加测试信号不同，工艺装备亦有不同，但各种工艺装备的接口可能没有区别，因而容易出现用错工艺装备而造成测试异常，甚至损坏测试设备或被测产品。Electronic products require various inspections during the production process, and multiple inspection procedures may be set for the same product. During the detection process, the product under test and the test equipment need to be connected through the process equipment to realize the signal conversion and transmission between the product under test and the test equipment. However, when using general-purpose testing equipment to test multiple functions of multiple products, due to the different test signals applied by each test process, the process equipment is also different, but the interfaces of various process equipment may not be different, so it is easy to use mistakes. process equipment and cause abnormal test, and even damage the test equipment or the product under test.
发明内容SUMMARY OF THE INVENTION
本发明所要解决的是现有连接被测产品和测试设备的各种工艺装备难以区分，从而容易错用而导致测试异常，甚至损坏测试设备或被测产品的问题，提供一种测试工装自动识别装置。The invention solves the problem that the existing various process equipment connecting the product under test and the test equipment is difficult to distinguish, so it is easy to misuse the test abnormality, and even damage the test equipment or the test product, and provides an automatic identification of test tooling. device.
为解决上述问题，本发明是通过以下技术方案实现的：In order to solve the above-mentioned problems, the present invention is achieved through the following technical solutions:
一种测试工装自动识别装置，包括信号转换与识别电路、被测产品接口和测试设备接口；信号转换与识别电路与被测产品接口和测试设备接口的内侧端连接；被测产品接口的外侧端与被测产品连接，测试设备接口的外侧端与测试设备的测试设备接口连接；其不同之处是，还进一步包括微控制器、存储器、通信电路和自动识别接口；存储器内存储有本装置的身份信息和使用日志，存储器与微控制器连接；微控制器通过通信电路与自动识别接口的内侧端连接，自动识别接口的外侧端与测试设备的自动识别接口通过有线方式实现连接。An automatic identification device for test tooling, comprising a signal conversion and identification circuit, a tested product interface and a test equipment interface; the signal conversion and identification circuit is connected with the inner end of the tested product interface and the test equipment interface; the outer end of the tested product interface It is connected with the product under test, and the outer end of the test equipment interface is connected with the test equipment interface of the test equipment; the difference is that it further includes a microcontroller, a memory, a communication circuit and an automatic identification interface; the memory stores the data of the device. Identity information and usage logs, the memory is connected to the microcontroller; the microcontroller is connected to the inner end of the automatic identification interface through a communication circuit, and the outer end of the automatic identification interface is connected to the automatic identification interface of the test equipment by wired means.
上述测试工装自动识别装置还进一步包括报警电路，该报警电路与微控制器连接。The above-mentioned test tool automatic identification device further includes an alarm circuit, and the alarm circuit is connected with the microcontroller.
上述方案中，存储器为独立于微控制器之外的外置存储器，或集成于微控制器之内的内置存储器。In the above solution, the memory is an external memory independent of the microcontroller, or a built-in memory integrated in the microcontroller.
上述方案中，自动识别接口的外侧端与测试设备的自动识别接口之间通过RS232、RS422、RS485、或CAN通信总线实现连接。In the above solution, the connection between the outer end of the automatic identification interface and the automatic identification interface of the test equipment is realized through RS232, RS422, RS485, or CAN communication bus.
另一种测试工装自动识别装置，包括信号转换与识别电路、被测产品接口和测试设备接口；信号转换与识别电路与被测产品接口和测试设备接口的内侧端连接；被测产品接口的外侧端与被测产品连接，测试设备接口的外侧端与测试设备的测试设备接口连接；其不同之处是，还进一步包括微控制器、存储器和通信电路；存储器内存储有本装置的身份信息和使用日志，存储器与微控制器连接；微控制器通过通信电路与测试设备的通信电路通过无线方式实现连接。Another automatic identification device for test tooling includes a signal conversion and identification circuit, an interface of the product under test and a test equipment interface; the signal conversion and identification circuit is connected to the inner end of the interface of the product under test and the interface of the test equipment; the outer side of the interface of the product under test is connected. The external end of the test equipment interface is connected to the test equipment interface of the test equipment; the difference is that it further includes a microcontroller, a memory and a communication circuit; the memory stores the identity information and Using the log, the memory is connected to the microcontroller; the microcontroller is wirelessly connected to the communication circuit of the test equipment through the communication circuit.
上述测试工装自动识别装置还进一步包括报警电路，该报警电路与微控制器连接。The above-mentioned test tool automatic identification device further includes an alarm circuit, and the alarm circuit is connected with the microcontroller.
上述方案中，存储器为独立于微控制器之外的外置存储器，或集成于微控制器之内的内置存储器。In the above solution, the memory is an external memory independent of the microcontroller, or a built-in memory integrated in the microcontroller.
上述方案中，通信电路为射频识别通信模块、红外通信模块或蓝牙通信模块。In the above solution, the communication circuit is a radio frequency identification communication module, an infrared communication module or a Bluetooth communication module.
与现有技术相比，本发明装置对现有工艺装备进行改进，即通过在工艺装备内增设识别模块来实现。在使用过程中，能够让测试设备识别本发明装置是否为所需的工艺装备：当为错误的工艺装备时，测试设备发出报警或停止工作；当为正确的工艺装备时，测试设备调取对应的测试程序实现对测试产品的测试，这样能够达到自动识别工艺装备和测试工序防差错的目的。此外，本发明装置还能够还可通过识别工艺装备的流水编号来监控工艺装备的使用频率、使用寿命等信息，从而能够在工艺装备寿命前，提醒工作人员进行更换。Compared with the prior art, the device of the present invention improves the existing process equipment, that is, it is realized by adding an identification module in the process equipment. During use, the test equipment can identify whether the device of the present invention is the required process equipment: when it is the wrong process equipment, the test equipment issues an alarm or stops working; when it is the correct process equipment, the test equipment calls the corresponding The test program realizes the test of the test product, which can achieve the purpose of automatically identifying the process equipment and the test process to prevent errors. In addition, the device of the present invention can also monitor the use frequency, service life and other information of the process equipment by identifying the serial number of the process equipment, so that the staff can be reminded to replace the process equipment before the service life.
附图说明Description of drawings
图1为一种测试工装自动识别装置(有线)的原理示意图；Fig. 1 is a kind of principle schematic diagram of test tool automatic identification device (wired);
图2为一种测试工装自动识别装置(无线)的原理示意图；Fig. 2 is a kind of principle schematic diagram of test tool automatic identification device (wireless);
具体实施方式Detailed ways
为使本发明的目的、技术方案和优点更加清楚明白，以下结合具体实例，对本发明进一步详细说明。In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to specific examples.
一种测试工装自动识别装置，如图1所示，主要由工艺装备和识别模块两部分组成。An automatic identification device for test tooling, as shown in Figure 1, is mainly composed of two parts: process equipment and identification module.
所述工艺装备与现有工艺装备的结构相同或相似，包括信号转换与识别电路、被测产品接口、测试设备接口。信号转换与识别电路与被测产品接口和测试设备接口的内侧端连接。被测产品接口的外侧端与被测产品连接，测试设备接口的外侧端与测试设备的测试设备接口连接。The process equipment has the same or similar structure as the existing process equipment, including a signal conversion and identification circuit, a tested product interface, and a test equipment interface. The signal conversion and identification circuit is connected with the inner end of the tested product interface and the test equipment interface. The outer end of the interface of the product under test is connected with the product under test, and the outer end of the interface of the test equipment is connected with the test equipment interface of the test equipment.
所述识别模块包括微控制器、存储器、通信电路、自动识别接口和报警电路。存储器内存储有本装置的身份信息和使用日志，存储器与微控制器连接。存储器为独立于微控制器之外的外置存储器，此时存储器可以选用非易失存储器；或者存储器为集成于微控制器之内的内置存储器，此时存储器为微控制器自带的存储器。存储器内存储的身份信息包括工艺装备种类和ID号等信息，该身份信息为装置生产时预先存储在存储器中的内容。存储器内存储的使用日志包括工艺设备的接插次数等涉及使用寿命的信息，该使用日志为装置使用时记录到存储器中的内容。微控制器通过通信电路与自动识别接口的内侧端连接，自动识别接口的外侧端与测试设备的自动识别接口通过有线方式实现连接，其中自动识别接口的外侧端与测试设备的自动识别接口之间通过RS232、RS422、RS485、或CAN通信总线实现连接。报警电路与微控制器连接。The identification module includes a microcontroller, a memory, a communication circuit, an automatic identification interface and an alarm circuit. The identity information and usage log of the device are stored in the memory, and the memory is connected with the microcontroller. The memory is an external memory independent of the microcontroller, in which case the memory can be a non-volatile memory; or the memory is a built-in memory integrated in the microcontroller, in this case the memory is the memory that comes with the microcontroller. The identity information stored in the memory includes information such as process equipment type and ID number, and the identity information is the content pre-stored in the memory when the device is produced. The use log stored in the memory includes information related to the service life such as the number of times of plugging in the process equipment, and the use log is the content recorded in the memory when the device is used. The microcontroller is connected to the inner end of the automatic identification interface through a communication circuit, and the outer end of the automatic identification interface is connected to the automatic identification interface of the test equipment through a wired connection. The outer end of the automatic identification interface and the automatic identification interface of the test equipment are connected between The connection is realized through RS232, RS422, RS485, or CAN communication bus. The alarm circuit is connected to the microcontroller.
使用时，将测试工装自动识别装置分别与被测产品和测试设备连接。启动测试设备电源，每次执行测试时，测试设备通过自动识别接口将启动信号和所需的工艺装备种类信息送至测试工装自动识别装置，这些信息被测试工装自动识别装置的通信电路接收，并送至微控制器中，微控制器生成计数信息，并写入存储器的使用日志中。与此同时，微控制器调取存储器中所存储的身份信息，并与接收到的信息进行核对，核对结果通过通信电路和自动识别接口将核对结果反馈到测试设备。测试设备接收测试工装自动识别装置送来的反馈信息，并据此判别身份信息是否为所需的身份信息，即判断所选用的工艺装备是否为正确的工艺装备。如果身份信息验证失败，则终止检测程序，此时测试设备发出直接发出告警信息或将身份验证失败信息送回测试工装自动识别装置，由测试工装自动识别装置的报警电路发出报警信息。如果身份信息验证成功，则执行检测程序，此时测试设备调取其内部存储的对应的测试程序，并将测试信号通过测试设备接口送至信号转换与识别电路完成信号转换后，通过被测产品接口送至被测产品，被测产品返回的信号也通过信号转换与识别电路反馈到测试设备，以实现对测试产品的检测。当测试工装自动识别装置在使用了一段时间后，即使用日志中所记录的使用次数达到或接近预设寿命时，测试工装自动识别装置内的报警电路会发出报警，提示工作人员工装装备的寿命已经或快要用尽。When in use, the automatic identification device of the test tool is connected to the product under test and the test equipment respectively. Start the power supply of the test equipment, and each time the test is performed, the test equipment sends the start signal and the required process equipment type information to the test tool automatic identification device through the automatic identification interface, and these information are received by the communication circuit of the test tool automatic identification device. Sent to the microcontroller, the microcontroller generates count information and writes it to the memory usage log. At the same time, the microcontroller retrieves the identity information stored in the memory, and checks the received information. The check result is fed back to the test equipment through the communication circuit and the automatic identification interface. The test equipment receives the feedback information sent by the automatic identification device of the test tool, and judges whether the identity information is the required identity information, that is, whether the selected technological equipment is the correct technological equipment. If the authentication of the identity information fails, the detection procedure is terminated. At this time, the test equipment sends out a direct alarm message or sends the identity verification failure information back to the automatic identification device of the test tool, and the alarm circuit of the automatic identification device of the test tool issues an alarm message. If the authentication of the identity information is successful, the test program is executed. At this time, the test equipment calls the corresponding test program stored in its internal storage, and sends the test signal to the signal conversion and identification circuit through the test equipment interface. The interface is sent to the product under test, and the signal returned by the product under test is also fed back to the test equipment through the signal conversion and identification circuit to realize the detection of the test product. When the test tool automatic identification device has been used for a period of time, that is, when the number of uses recorded in the use log reaches or is close to the preset life, the alarm circuit in the test tool automatic identification device will issue an alarm to remind the staff of the life of the equipment. run out or nearly exhausted.
另一种测试工装自动识别装置，如图2所示，主要由工艺装备和识别模块两部分组成。Another test tool automatic identification device, as shown in Figure 2, is mainly composed of two parts: process equipment and identification module.
所述工艺装备与现有工艺装备的结构相同或相似，包括信号转换与识别电路、被测产品接口、测试设备接口。信号转换与识别电路与被测产品接口和测试设备接口的内侧端连接。被测产品接口的外侧端与被测产品连接，测试设备接口的外侧端与测试设备的测试设备接口连接。The process equipment has the same or similar structure as the existing process equipment, including a signal conversion and identification circuit, a tested product interface, and a test equipment interface. The signal conversion and identification circuit is connected with the inner end of the tested product interface and the test equipment interface. The outer end of the interface of the product under test is connected with the product under test, and the outer end of the interface of the test equipment is connected with the test equipment interface of the test equipment.
所述识别模块包括微控制器、存储器和通信电路。存储器内存储有本装置的身份信息和使用日志，存储器与微控制器连接。存储器为独立于微控制器之外的外置存储器，此时存储器可以选用非易失存储器；或者存储器为集成于微控制器之内的内置存储器，此时存储器为微控制器自带的存储器。存储器内存储的身份信息包括工艺装备种类和ID号等信息，该身份信息为装置生产时预先存储在存储器中的内容。存储器内存储的使用日志包括工艺设备的接插次数等涉及使用寿命的信息，该使用日志为装置使用时记录到存储器中的内容。微控制器通过通信电路与测试设备的通信电路通过无线方式实现连接，其中识别模块和测试设备的通信电路均为射频识别通信模块(IFID)、红外通信模块或蓝牙通信模块(Bluetooth)。The identification module includes a microcontroller, memory and communication circuitry. The identity information and usage log of the device are stored in the memory, and the memory is connected with the microcontroller. The memory is an external memory independent of the microcontroller, in which case the memory can be a non-volatile memory; or the memory is a built-in memory integrated in the microcontroller, in this case the memory is the memory that comes with the microcontroller. The identity information stored in the memory includes information such as process equipment type and ID number, and the identity information is the content pre-stored in the memory when the device is produced. The use log stored in the memory includes information related to the service life such as the number of times of plugging in the process equipment, and the use log is the content recorded in the memory when the device is used. The microcontroller is wirelessly connected to the communication circuit of the test equipment through a communication circuit, wherein the identification module and the communication circuit of the test equipment are both radio frequency identification communication modules (IFID), infrared communication modules or Bluetooth communication modules (Bluetooth).
使用时，将测试工装自动识别装置分别与被测产品和测试设备连接。启动测试设备电源，每次执行测试时，测试设备将启动信号和所需的工艺装备种类信息送至测试工装自动识别装置，这些信息被测试工装自动识别装置的通信电路接收，并送至微控制器中，微控制器生成计数信息，并写入存储器的使用日志中。与此同时，微控制器调取存储器中所存储的身份信息，并与接收到的信息进行核对，核对结果通过通信电路将核对结果反馈到测试设备。测试设备接收测试工装自动识别装置送来的反馈信息，并据此判别身份信息是否为所需的身份信息，即判断所选用的工艺装备是否为正确的工艺装备。如果身份信息验证失败，则终止检测程序，此时测试设备发出直接发出告警信息或将身份验证失败信息送回测试工装自动识别装置，由测试工装自动识别装置的报警电路发出报警信息。如果身份信息验证成功，则执行检测程序，此时测试设备调取其内部存储的对应的测试程序，并将测试信号通过测试设备接口送至信号转换与识别电路完成信号转换后，通过被测产品接口送至被测产品，被测产品返回的信号也通过信号转换与识别电路反馈到测试设备，以实现对测试产品的检测。当测试工装自动识别装置在使用了一段时间后，即使用日志中所记录的使用次数达到或接近预设寿命时，测试工装自动识别装置内的报警电路会发出报警，提示工作人员工装装备的寿命已经或快要用尽。When in use, the automatic identification device of the test tool is connected to the product under test and the test equipment respectively. Start the power supply of the test equipment, and each time the test is performed, the test equipment sends the start signal and the required type information of the process equipment to the automatic identification device of the test tool. These information are received by the communication circuit of the automatic identification device of the test tool and sent to the microcontroller. In the controller, the microcontroller generates count information and writes it to the memory usage log. At the same time, the microcontroller retrieves the identity information stored in the memory and checks the received information, and the check result is fed back to the test equipment through the communication circuit. The test equipment receives the feedback information sent by the automatic identification device of the test tool, and judges whether the identity information is the required identity information, that is, whether the selected technological equipment is the correct technological equipment. If the authentication of the identity information fails, the detection procedure is terminated. At this time, the test equipment sends out a direct alarm message or sends the identity verification failure information back to the automatic identification device of the test tool, and the alarm circuit of the automatic identification device of the test tool issues an alarm message. If the authentication of the identity information is successful, the test program is executed. At this time, the test equipment calls the corresponding test program stored in its internal storage, and sends the test signal to the signal conversion and identification circuit through the test equipment interface. The interface is sent to the product under test, and the signal returned by the product under test is also fed back to the test equipment through the signal conversion and identification circuit to realize the detection of the test product. When the test tool automatic identification device has been used for a period of time, that is, when the number of uses recorded in the use log reaches or is close to the preset life, the alarm circuit in the test tool automatic identification device will issue an alarm to remind the staff of the life of the equipment. run out or nearly exhausted.
需要说明的是，尽管以上本发明所述的实施例是说明性的，但这并非是对本发明的限制，因此本发明并不局限于上述具体实施方式中。在不脱离本发明原理的情况下，凡是本领域技术人员在本发明的启示下获得的其它实施方式，均视为在本发明的保护之内。It should be noted that, although the embodiments of the present invention described above are illustrative, they are not intended to limit the present invention, so the present invention is not limited to the above-mentioned specific embodiments. Without departing from the principles of the present invention, all other embodiments obtained by those skilled in the art under the inspiration of the present invention are deemed to be within the protection of the present invention.
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