CN204882753U - Automatic test equipment - Google Patents
Automatic test equipment Download PDFInfo
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- CN204882753U CN204882753U CN201520609994.7U CN201520609994U CN204882753U CN 204882753 U CN204882753 U CN 204882753U CN 201520609994 U CN201520609994 U CN 201520609994U CN 204882753 U CN204882753 U CN 204882753U
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Abstract
The utility model provides an automatic test equipment, include: box, treater, digital analog converter, adc, display and command input ware, treater, digital analog converter and adc all set up in the inside of box, and display and command input ware set up on the surface of box, command input ware, display, digital analog converter and adc all are connected with the treater, the treater is used for receiving the control command of command input ware input and sends digital controlled signal to digital analog converter, and digital analog converter is used for turning into analog control signal and transmission with digital controlled signal and gives the product that awaits measuring, and adc is used for that convert digital feedback signal into and the treater is given in the transmission with the simulation feedback signal of the product of gathering that awaits measuring, and the treater is used for carrying out control command 1 and exporting the result for the display this digit feedback signal.
Description
Technical field
The utility model relates to the technical field that properties of product detect, and especially relates to ATE (automatic test equipment).
Background technology
In prior art, the equipment major part for testing product performance adopts industrial computer to be core, and supporting outside collection plate and control panel, by operating personnel's manual operation, carried out the detection of properties of product simultaneously.
The said equipment, volume is comparatively large, complex structure, is inconvenient to move and install and need more cost to safeguard; And each operation steps needs manual operation to complete, this will make the test duration longer, testing efficiency step-down; Meanwhile, manual operation complex operation step, easily to make mistakes.
Utility model content
The purpose of this utility model is to provide ATE (automatic test equipment), is inconvenient to move to solve the testing apparatus existed in prior art, and manual operation, consuming time longer, the technical matters that testing efficiency is lower.
A kind of ATE (automatic test equipment) that the utility model provides, comprising: casing, processor, digital to analog converter, analog to digital converter, display and instruction input unit; Described processor, described digital to analog converter and described analog to digital converter are all arranged on the inside of described casing, and described display and described instruction input unit are arranged on the outside surface of described casing; Described instruction input unit, described display, described digital to analog converter are all connected with described processor with described analog to digital converter;
Described processor is for receiving the steering order of described instruction input unit input and sending digital controlled signal to described digital to analog converter, described digital to analog converter is used for described digital controlled signal being converted into analog control signal and being transferred to product to be measured, described analog to digital converter is used for the analog feedback signal of the product to be measured gathered be converted to digital feedback signal and be transferred to described processor, and described processor is used for carrying out analyzing and processing to this digital feedback signal and result being exported to described display.
Further, described digital to analog converter is DA board, and described analog to digital converter is AD board, and described processor is CPU board card.
Further, described CPU board card comprises core board and base plate, and described core board is electrically connected with described base plate, and described display is all connected with described base plate with described instruction input unit.
Further, also comprise power supply and communication base plate, described DA board, described AD board and described CPU board card are all plugged on described power supply and communication base plate, and described power supply and communication base plate can realize the data plugged between each board thereon and transmit.
Further, also comprise multiple interface, multiple described interface is all arranged on described casing, and a part of described interface is connected with communication base plate with described power supply, and interface described in another part is connected with described base plate.
Further, described display is touching display screen, and described touching display screen is connected with described processor, and can to described processor transmission steering order.
Further, described instruction input unit is keyboard.
Further, also comprise relay board, described relay board is plugged on described power supply and communication base plate.
Further, also comprise power detecting board, described power detecting board is plugged on described power supply and communication base plate, and described power detecting board is for detecting voltage and current.
Further, also comprise IO board, described IO board is plugged on described power supply and Communication Card, to realize the data communication between each board.
Compared with prior art, the beneficial effect that the utility model has is:
The ATE (automatic test equipment) that the utility model provides, processor, digital to analog converter and analog to digital converter are arranged on the inside of casing, instruction is sent to processor by instruction input unit, then the instruction be subject to is changed into analog control signal by digital to analog converter by processor, and be transferred to product to be measured, product to be measured sends analog feedback signal after receiving instruction, analog to digital converter can receive this analog feedback signal, and convert thereof into digital feedback signal, processor can this feedback signal of analyzing and processing, and result is exported to display; Said structure, efficiently reduces the volume of testing apparatus in prior art, and this ATE (automatic test equipment) is convenient for carrying; Meanwhile, also achieve automation mechanized operation, shorten the test duration, improve testing efficiency, can also cost of labor be reduced; And operation steps is simple, is not easy to make mistakes.
Accompanying drawing explanation
The external structure schematic diagram of the ATE (automatic test equipment) that Fig. 1 provides for the utility model embodiment;
The inner structure schematic diagram that Fig. 2 is the ATE (automatic test equipment) shown in Fig. 1;
The CPU board card structure figure that Fig. 3 is the ATE (automatic test equipment) shown in Fig. 1;
The AD board structure figure that Fig. 4 is the ATE (automatic test equipment) shown in Fig. 1;
The DA board structure figure that Fig. 5 is the ATE (automatic test equipment) shown in Fig. 1;
The IO board structure figure that Fig. 6 is the ATE (automatic test equipment) shown in Fig. 1;
The power detecting board structure figure that Fig. 7 is the ATE (automatic test equipment) shown in Fig. 1;
The relay board card structure figure that Fig. 8 is the ATE (automatic test equipment) shown in Fig. 1.
Reference numeral:
1-casing 2-display 3-instruction input unit
4-interface 5-CPU board 6-DA board
7-AD board 8-powers and communication base plate 9-IO board
10-power detecting board 11-relay board
Embodiment
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
The external structure schematic diagram of the ATE (automatic test equipment) that Fig. 1 provides for the utility model embodiment; The inner structure schematic diagram that Fig. 2 is the ATE (automatic test equipment) shown in Fig. 1; The CPU board card structure figure that Fig. 3 is the ATE (automatic test equipment) shown in Fig. 1; The AD board structure figure that Fig. 4 is the ATE (automatic test equipment) shown in Fig. 1; The DA board structure figure that Fig. 5 is the ATE (automatic test equipment) shown in Fig. 1; The IO board structure figure that Fig. 6 is the ATE (automatic test equipment) shown in Fig. 1; The power detecting board structure figure that Fig. 7 is the ATE (automatic test equipment) shown in Fig. 1; The relay board card structure figure that Fig. 8 is the ATE (automatic test equipment) shown in Fig. 1.
As shown in figures 1-8, a kind of ATE (automatic test equipment) that the present embodiment provides, comprising: casing 1, processor, digital to analog converter, analog to digital converter, display 2 and instruction input unit 3; Processor, digital to analog converter and analog to digital converter are all arranged on the inside of casing 1, and display 2 and instruction input unit 3 are arranged on the outside surface of casing 1; Instruction input unit 3, display 2, digital to analog converter are all connected with processor with analog to digital converter; Processor is for receiving the steering order of instruction input unit 3 input and sending digital controlled signal to digital to analog converter, digital to analog converter is used for digital controlled signal being converted into analog control signal and being transferred to product to be measured, analog to digital converter is used for the analog feedback signal of the product to be measured gathered be converted to digital feedback signal and be transferred to processor, and processor is used for carrying out analyzing and processing to this digital feedback signal and result being exported to display 2.
It should be noted that, the ATE (automatic test equipment) that the present embodiment provides can test multiple product, such as: sensor, etc.; The analog control signal exported by digital to analog converter can be multi-signal, such as: voltage or electric current, etc.
Processor can receive instruction, exports digital controlled signal, receives digital feedback signal, process data and transmission data, and therefore, every structure that can function as described above can as the processor of the present embodiment indication.
The effect of digital to analog converter digital controlled signal is converted to analog control signal and exports, and the effect of analog to digital converter is that the analog feedback signal of reception is converted to digital controlled signal.
Display 2 can have multiple choices, such as: liquid crystal display or touching display screen, etc.; As the preferred scheme of one, display 2 selects touching display screen, and touching display screen is connected with processor, and can transmit steering order to processor.
Touching display screen is set, the function making display 2 not only have display can also transmit steering order to processor, reaches one-object-many-purposes, thus can cancel instruction input unit 3, to expand the size of display 2 on the surface that casing 1 is limited, be more convenient to observe.
On the basis of above-described embodiment, particularly, instruction input unit 3 is keyboard, transmits steering order by keyboard to processor, person's operation easy to use.
The ATE (automatic test equipment) that the present embodiment provides, processor, digital to analog converter and analog to digital converter are arranged on the inside of casing 1, instruction is sent to processor by instruction input unit 3, then the instruction be subject to is changed into analog control signal by digital to analog converter by processor, and be transferred to product to be measured, product to be measured sends analog feedback signal after receiving instruction, analog to digital converter can receive this analog feedback signal, and convert thereof into digital feedback signal, processor can this feedback signal of analyzing and processing, and result is exported to display 2; Said structure, efficiently reduces the volume of testing apparatus in prior art, and this ATE (automatic test equipment) is convenient for carrying; Meanwhile, also achieve automation mechanized operation, shorten the test duration, improve testing efficiency, can also cost of labor be reduced; And operation steps is simple, is not easy to make mistakes.
On the basis of above-described embodiment, particularly, digital to analog converter is DA board 6, and analog to digital converter is AD board 7, and processor is CPU board card 5.
On the basis of above-described embodiment, particularly, as shown in Figure 2, power supply and communication base plate 8 is also comprised, DA board 6, AD board 7 and CPU board card 5 are all plugged in power supply with on communication base plate 8, and power supply and communication base plate 8 can realize the data plugged between each board thereon and transmit.
Power supply and communication base plate 8 can be CAN (ControllerAreaNetwork) bus, when needing communication between each board, only board need be plugged on power supply and communication base plate 8, i.e. handled easily, again can the efficiency of erection & lift; And, power with on communication base plate 8 as long as the board meeting power supply and communication base plate 8 standard interface can be plugged in, for increasing the condition that function is provided convenience in use procedure.
It should be noted that, DA (digitaltoanalog) board refers to digital-to-analog conversion board, AD (analogtodigital) board refers to analog to digital conversion board, CPU (CentralProcessingUnit) board is one piece of integrated circuit, has the function of processor.
The function of processor, analog to digital converter and digital to analog converter is integrated in respectively on CPU board card 5, AD board 7 and DA board 6, its respective function can not only be realized, also reduce volume, thus reduce the volume of the automatic checkout equipment that the present embodiment provides further, make it more convenient to carry.
The control center of the ATE (automatic test equipment) that CPU board card provides for the present embodiment, the driving of all boards, operating system and testing software are all stored in each board.The process of its executive system and user data and storage, the background service of operating system, the various corresponding and coordination of the operation and control service of foreground application.
As shown in Figure 4, AD board 7 is the part of data acquisition of native system, is responsible for the signal gathering sensor to be measured and equipment; In order to the signal of reaction physical event that can be objective and accurate, need the AD board 7 adopting high precision high accuracy.
As the preferred scheme of one, the AD board 7 used in the present embodiment be AD1218 it be the analog and digital signal conversion chip of current most significant digit number, there is the dynamic range of non-constant width, conversion portion adopts delta-sigma pattern, 24-bit resolution, comparatively low loss figure place, interior forward end is with the programmable-gain of 1 to 128 times, be equipped with the inner FLASH of 4KB in addition, chip can work between 2.7V to 5.25V, power consumption is lower, is applicable to industry spot application, can meets our requirement to full accuracy data acquisition.
Adopt Microchip technical grade MCU (MicrocontrollerUnit) control AD board 7, thus realize complete signal control, and by CAN, by the signal transmission that collects to CPU board card 5, realize real high-precision high-speed data acquisition and transmit with data at a high speed.
As shown in Figure 5, the DA board 6 in the present embodiment can outputting analog signal, and these signals, through the driving of overdriven amplifier, finally output on port; As the preferred scheme of one, DA board 6 adopts DAC1220, it is 20bits digital-to-analogue conversion controller chip, adopt SPI (SerialPeripheralInterface) high speed data interface, inner with 2 rank delta-sigma filtering, 1 rank switch-capacitor filtering and 2 rank Continuous-Time-Post filtering, and with internal control telegon; Adopt Microchip technical grade MCU control DA board 6, the control command that CPU board card 5 sends, passes to DA board 6, MCU by CAN and control signal is passed to DA execution unit, realize the output of simulating signal.
On the basis of above-described embodiment, particularly, as shown in Figure 3, CPU board card 5 comprises core board and base plate, and core board is electrically connected with base plate, and display 2 is all connected with base plate with instruction input unit 3.
Can realize the mode that core board is electrically connected with base plate and have a variety of selection, as the preferred scheme of one, core board and base plate are linked together by the socket of two 60P.
Core board adopts ARM-A8 chip as the board of primary processor, inside is integrated with powerful multi-media processing unit, supports that the video file hardware encoding of MPEG4, the form such as H.264/H.263 can export LCD (LiquidCrystalDisplay) and TV (television) simultaneously to and show; Also with functions such as 3D graphics hardware accelerator.
Core board adopts the design of high density 8 laminate, size is little, be integrated with 512MDDRRAM and 512MSLCNandFlash storer, 5V is adopted to power, the required various core voltage conversions of processor are realized at core board, also with the reset chip of specialty, draw common interface resource by board to board connector, use for the various expansion interfaces on base plate.
Base plate adopts 5V to power.Externally there is one, TFTLCD (color LCD screen) interface, for connecting the color LCD screen of 8 inches of a band touch-screen as display terminal, also draw VGA (VideoGraphicsArray) interface simultaneously and connect a display 2, the difference of eyesight when considering that operating personnel use during such design.Base plate also have the keyboard interface of 8 × 8, a 100M network interface, four serial ports, USB (UniversalSerialBus, USB (universal serial bus)) mouth, two CAN interfaces, SD (SecureDigital) card interface, four road PWM (PulseWidthModulation, pulse-length modulation) output interface, for generation of the 10Hz signal required for Б-125 testing apparatus.
On the basis of above-described embodiment, particularly, as shown in Figure 1, also comprise multiple interface 4, multiple interface 4 is all arranged on casing 1, and a part of interface 4 is connected with communication base plate 8 with power supply, and another part interface 4 is connected with base plate.
It should be noted that, the keyboard interface of 8 × 8 on base plate, network interface, serial ports, USB port, CAN interface, SD card interface, PWM output interface are all connected with the interface be arranged on casing 1, thus realize the transmission of external data to processor.
On the basis of above-described embodiment, particularly, as shown in Figure 8, also comprise relay board 11, relay board 11 is plugged in power supply with on communication base plate 8.
There is high-voltage signal and low pressure isolation signals in controlled system, these signals be not suitable for the signal in circuit altogether, need to carry out isolate and drive.Relay is the automatic switch element with isolation features, and being widely used in remote control, remote measurement, communication, automatically control, electromechanical integration and power electronic equipment, is one of most important control element.
The relay board 11 of the automatic checkout equipment provided in the present embodiment is controlled by PIC24H Series MCU, drive end adopts 5V voltage to control, adopt unified relay, by the highest 36V that is no more than of drive end signal, common is the switching signal of 5V and 27V, and MCU and System Core core adopt to power and carry out communication with communication base plate 8.
On the basis of above-described embodiment, particularly, as shown in Figure 7, also comprise power detecting board 10, power detecting board 10 is plugged in power supply with on communication base plate 8, and power detecting board 10 is for detecting voltage and current.
The ATE (automatic test equipment) that the present embodiment provides has high-precision measurement and control system, high to the requirement of power supply, not only requires stable electric power system, also will carry out careful monitoring to the power supply of self.Power detecting board 10 take MicrochipPIC24HMCU as core, and supporting high-precision AD, carries out voltage detecting and current detecting to multiple power supplies, comprises+27V power supply ,+15V power supply ,+5V power supply ,-15V power supply ,-24V power supply, often kind of Power Supply Monitoring voltage and electric current.
The power supply on power unit Ye Jiangmei road is drawn, and carry out wiring connection at the back side of all-in-onecase, third-party standard testing instrument easy to use is compared and demarcation.The various parameters of power supply all can be read by core board, and show on a display 2.The accuracy of power supply has directly had influence on the accuracy of device data acquisition, so will regularly carry out detecting and demarcate.After power supply departs from original precision, genuine be returned and calibrate.
On the basis of above-described embodiment, particularly, as shown in Figure 6, also comprise IO board 9, IO board 9 and be plugged in power supply with on Communication Card, to realize the data communication between each board.
It should be noted that, the Main Function of IO (InputOutput) board is the transmission realized between data; The ATE (automatic test equipment) that the present embodiment provides needs multichannel IO to export, the communication of data and order is carried out by power supply and communication base plate 8, core data processing section adopts 16 PIC24H single-chip microcomputers, and the signal exporting and input carries out isolating through signal bi-directional drive chip and drives.
It should be noted that, the present embodiment provide middle adopted PIC24H Series MCU to be modified form Harvard framework, with the instruction set strengthened, this MCU uses the 24 bit instruction words with elongated operation code field, programmable counter is wide 24, addressing can reach the user program memory space of 4Mx24 position; PIC24H Series MCU have employed one-cycle instruction prefetch mechanisms and helps keep handling capacity and provide predictable execution, and except program circuit transfer instruction, double word move and tabulation instruction, other instructions all only need perform one-period; Above-mentioned PIC24H Series MCU is by use REPEAT instruction for the program loop without system overhead provides support, and this instruction is interruptable at any time.
On the basis of above-described embodiment, particularly, the ATE (automatic test equipment) processor that the present embodiment provides adopts high-end ARM11 embedded development platform, utilize high-end embedded solution technique, realize man-machine interaction and data acquisition, can access sensors image data by power supply and communication base plate 8, by the USB interface of standard, SD interface etc. realizes transmission and the storage of data, has human-computer interaction interface well attractive in appearance.
The operating system of ATE (automatic test equipment) is built-in Linux+android system, and Embedded LINUX system is not vulnerable to virus and invades and harasses and network attack, famous with high stability and high reliability, this equipment use very applicable.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. an ATE (automatic test equipment), is characterized in that, comprising: casing, processor, digital to analog converter, analog to digital converter, display and instruction input unit; Described processor, described digital to analog converter and described analog to digital converter are all arranged on the inside of described casing, and described display and described instruction input unit are arranged on the outside surface of described casing; Described instruction input unit, described display, described digital to analog converter are all connected with described processor with described analog to digital converter;
Described processor is for receiving the steering order of described instruction input unit input and sending digital controlled signal to described digital to analog converter, described digital to analog converter is used for described digital controlled signal being converted into analog control signal and being transferred to product to be measured, described analog to digital converter is used for the analog feedback signal of the product to be measured gathered be converted to digital feedback signal and be transferred to described processor, and described processor is used for carrying out analyzing and processing to this digital feedback signal and result being exported to described display.
2. ATE (automatic test equipment) according to claim 1, is characterized in that, described digital to analog converter is DA board, and described analog to digital converter is AD board, and described processor is CPU board card.
3. ATE (automatic test equipment) according to claim 2, is characterized in that, described CPU board card comprises core board and base plate, and described core board is electrically connected with described base plate, and described display is all connected with described base plate with described instruction input unit.
4. ATE (automatic test equipment) according to claim 3, it is characterized in that, also comprise power supply and communication base plate, described DA board, described AD board and described CPU board card are all plugged on described power supply and communication base plate, and described power supply and communication base plate can realize the data plugged between each board thereon and transmit.
5. ATE (automatic test equipment) according to claim 4, it is characterized in that, also comprise multiple interface, multiple described interface is all arranged on described casing, the described interface of a part is connected with communication base plate with described power supply, and interface described in another part is connected with described base plate.
6. ATE (automatic test equipment) according to claim 1, is characterized in that, described display is touching display screen, and described touching display screen is connected with described processor, and can to described processor transmission steering order.
7. ATE (automatic test equipment) according to claim 1, is characterized in that, described instruction input unit is keyboard.
8. ATE (automatic test equipment) according to claim 4, is characterized in that, also comprises relay board, and described relay board is plugged on described power supply and communication base plate.
9. ATE (automatic test equipment) according to claim 4, is characterized in that, also comprises power detecting board, and described power detecting board is plugged on described power supply and communication base plate, and described power detecting board is for detecting voltage and current.
10. the ATE (automatic test equipment) according to any one of claim 4-9, is characterized in that, also comprises IO board, and described IO board is plugged on described power supply and Communication Card, to realize the data communication between each board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520609994.7U CN204882753U (en) | 2015-08-13 | 2015-08-13 | Automatic test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520609994.7U CN204882753U (en) | 2015-08-13 | 2015-08-13 | Automatic test equipment |
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| Publication Number | Publication Date |
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| CN204882753U true CN204882753U (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520609994.7U Expired - Fee Related CN204882753U (en) | 2015-08-13 | 2015-08-13 | Automatic test equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732443A (en) * | 2018-05-21 | 2018-11-02 | 湖北三江航天万峰科技发展有限公司 | A kind of Auto-Test System and method based on Linux |
| CN111913471A (en) * | 2020-07-21 | 2020-11-10 | 北京京瀚禹电子工程技术有限公司 | Testing device |
| CN113030769A (en) * | 2021-03-10 | 2021-06-25 | 广东电网有限责任公司电力调度控制中心 | Wisdom power integrated circuit board with monitoring function |
| CN113391143A (en) * | 2021-05-11 | 2021-09-14 | Tcl王牌电器(惠州)有限公司 | Automatic test system and automatic test method |
-
2015
- 2015-08-13 CN CN201520609994.7U patent/CN204882753U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108732443A (en) * | 2018-05-21 | 2018-11-02 | 湖北三江航天万峰科技发展有限公司 | A kind of Auto-Test System and method based on Linux |
| CN111913471A (en) * | 2020-07-21 | 2020-11-10 | 北京京瀚禹电子工程技术有限公司 | Testing device |
| CN113030769A (en) * | 2021-03-10 | 2021-06-25 | 广东电网有限责任公司电力调度控制中心 | Wisdom power integrated circuit board with monitoring function |
| CN113030769B (en) * | 2021-03-10 | 2024-04-19 | 广东电网有限责任公司电力调度控制中心 | Intelligent power board card with monitoring function |
| CN113391143A (en) * | 2021-05-11 | 2021-09-14 | Tcl王牌电器(惠州)有限公司 | Automatic test system and automatic test method |
| CN113391143B (en) * | 2021-05-11 | 2022-12-13 | Tcl王牌电器(惠州)有限公司 | Automatic test system and automatic test method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20160813 |
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| CF01 | Termination of patent right due to non-payment of annual fee |