CN214669440U

CN214669440U - FCT test equipment

Info

Publication number: CN214669440U
Application number: CN202120220250.1U
Authority: CN
Inventors: 王金科; 刘平辉; 卢勇军; 杨嘉舜
Original assignee: Zhuhai Jintian Electronic Technology Co ltd
Current assignee: Zhuhai Jintian Electronic Technology Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-11-09
Anticipated expiration: 2031-01-26

Abstract

The utility model discloses a FCT test equipment, including test bed frame and cylinder group, be provided with touch panel and a plurality of product fixed position on the test bed frame, be provided with a plurality of metal probe on every product fixed position, be provided with a plurality of function button on the touch panel, every function button respectively with every product fixed position on the corresponding metal probe electric connection; the cylinder group is arranged opposite to the touch panel and comprises a plurality of cylinders, and each cylinder corresponds to one function key; the testing bed frame is also provided with a control circuit board which is electrically connected with the cylinder group, and the control circuit board is provided with a control circuit for controlling the action of the cylinder group. According to the utility model discloses a FCT test equipment, degree of automation is higher, and the test procedure is more convenient, moreover according to the fixed position of product specifically set up quantity, can carry out the FCT test simultaneously to a plurality of products that await measuring, has greatly improved efficiency of software testing.

Description

FCT test equipment

Technical Field

The utility model belongs to the technical field of the test equipment and specifically relates to a FCT test equipment is related to.

Background

At present, when the production line of a factory carries out an FCT (Functional Circuit Test) Test on a line controller, a manual Test frame is generally adopted for testing, a PCBA (printed Circuit Board Assembly) to be tested is placed on the manual Test frame in the Test process, then a worker carries out key input Test, the operation is complex, the efficiency is low, and only one product can be tested at a time.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a FCT test equipment adopts the cylinder to replace the manual work to carry out the button, and degree of automation is higher, the operation is comparatively simple, can test many products simultaneously moreover, and efficiency is higher.

According to the utility model discloses FCT test equipment, include: the testing base frame is provided with a plurality of product fixing positions, and each product fixing position is provided with a plurality of metal probes; the touch panel is arranged on the testing base frame, a plurality of function keys are arranged on the touch panel, and each function key is electrically connected with the corresponding metal probe on each product fixing position; the cylinder group is arranged opposite to the touch panel and comprises a plurality of cylinders, and each cylinder corresponds to one function key; the control circuit board is arranged on the testing base frame and is electrically connected with the cylinder group, and a control circuit is arranged on the control circuit board and is used for controlling the action of the cylinder group.

According to the utility model discloses FCT test equipment has following beneficial effect at least: by arranging a plurality of product fixing positions, a product to be tested can be placed in each product fixing position, and a test point on the product to be tested is in contact with a metal probe; the control circuit can control the action of each air cylinder according to a preset program, and drives the air cylinders to press the corresponding function keys, so that the product to be tested carries out FCT test according to the test program set by the control circuit; according to the FCT testing equipment of the utility model, the manual keying is replaced by the cylinder, the automation degree is higher, and the testing process is more convenient; and according to the specific quantity of the product fixing positions, the FCT test can be simultaneously carried out on a plurality of products to be tested, so that the test efficiency is greatly improved.

According to some embodiments of the invention, the control circuit comprises: a main control MCU; the switch control module comprises a plurality of switch units which are connected in parallel, the control end of each switch unit is electrically connected with the output end of the main control MCU, and the output end of each switch unit is electrically connected with the corresponding control end of the air cylinder.

According to the utility model discloses a some embodiments, control circuit still includes drive module, drive module's input with master control MCU's output electric connection, drive module's output with on-off control module's control end electric connection.

According to some embodiments of the utility model, control circuit still includes power module, power module's output with master control MCU's power end electric connection.

According to the utility model discloses a some embodiments, control circuit is still including keeping apart the input module, keep apart the input module and include the mutual parallelly connected isolation input unit of a plurality of, every keep apart the input of input unit respectively with every correspond on the fixed position of product metal probe electric connection, every keep apart the output of input unit respectively with master control MCU's input electric connection.

According to the utility model discloses a some embodiments, keep apart the input unit and include optoelectronic coupler, optoelectronic coupler's input and every correspond on the product fixed position metal probe electric connection, optoelectronic coupler's output with master control MCU's input electric connection.

According to some embodiments of the utility model, the control circuit still include with master control MCU electric connection's the module that resets.

According to some embodiments of the utility model, control circuit still include with master control MCU electric connection's suggestion module.

According to some embodiments of the utility model, be provided with a plurality of voltmeter and/or a plurality of ampere meter, every on the test bed frame voltmeter and/or every the ampere meter respectively with correspond metal probe electric connection.

According to the utility model discloses a some embodiments, be provided with a plurality of infrared emission device on the test bed frame, every infrared emission device is used for being corresponding the product that awaits measuring on the product fixed position provides infrared signal.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an FCT testing apparatus according to an embodiment of the present invention;

fig. 2 is a circuit schematic diagram of a first portion of a control circuit according to an embodiment of the present invention;

fig. 3 is a schematic circuit diagram of a second portion of the control circuit according to an embodiment of the present invention;

fig. 4 is a schematic circuit diagram of a third portion of the control circuit according to an embodiment of the present invention;

reference numerals:

a test pedestal 100, a product fixing position 110, a test switch 120 and a power switch 130;

touch panel 200, function keys 210;

cylinder group 300, cylinder 310;

the main control MCU410, the switch control module 420, the switch unit 421, the driving module 430, the power supply module 440, the isolation input module 450, the reset module 460 and the prompt module 470;

an ammeter 500;

an infrared light emitting device 600.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1, the FCT testing apparatus according to the embodiment of the present invention includes a testing base frame 100 and an air cylinder set 300, wherein the testing base frame 100 is provided with a touch panel 200 and a plurality of product fixing positions 110, each product fixing position 110 is provided with a plurality of metal probes (not shown in the figure), the touch panel 200 is provided with a plurality of function keys 210, and each function key 210 is electrically connected to a corresponding metal probe on each product fixing position 110; cylinder group 300 is disposed opposite touch panel 200, cylinder group 300 includes a plurality of cylinders 310, and each cylinder 310 corresponds to one function key 210; the test base frame 100 is further provided with a control circuit board electrically connected to the cylinder block 300, and the control circuit board is provided with a control circuit for controlling the operation of the cylinder block 300.

Specifically, the product fixing position 110 may be in the shape of a groove, and the metal probe is disposed in the groove, and when the PCBA board to be tested is placed on the product fixing position 110, the metal probe contacts with a test point of the product to be tested, so as to perform an FCT test on the product to be tested; of course, the product fixing position 110 may be other conventional arrangements, such as fixing the product to be tested by providing a clip with elasticity or other fixing device. In the utility model, the control circuit board is arranged inside the testing base frame 100, and the control circuit board has a control program prestored therein, and is used for controlling the action of each cylinder 310 according to a preset program, and driving the cylinders 310 to press the corresponding function keys 210, so that the product to be tested performs the FCT test according to the self-set testing program; it is understood that the FCT testing process is well known and should be known to those skilled in the art, and will not be described herein. The testing device of the present invention is mainly applied to the line controller, so the function keys 210 arranged on the touch panel 200 are the common keys of the line controller; in the present invention, the number of the function buttons 210 is 8, which are "on/off", "air volume", "timing", "temperature +", "temperature-", "function", "mode", and "wind direction", respectively. In correspondence, cylinder bank 300 includes 8 cylinders 310, one function key 210 for each cylinder. During the FCT test, the control circuit board drives the cylinders 310 in the cylinder bank 300 to operate according to a predetermined program, so that the keys are pressed through the cylinders 310 instead of manual operation. It is understood that the specific number of function keys 210 and cylinders 310 may be adjusted according to actual needs, and is not limited thereto.

According to the utility model discloses a FCT test equipment, degree of automation is higher, and the test procedure is more convenient, moreover according to the fixed position 110 of product concrete quantity that sets up, can carry out the FCT test simultaneously to a plurality of products that await measuring, has greatly improved efficiency of software testing. As shown in fig. 1, the test base frame 100 is provided with two product fixing positions 110, so that two PCBA can be tested simultaneously; of course, one or more product holding locations 110 may be provided, without limitation.

Referring to fig. 2 to 4, the control circuit includes a main control MCU410 and a switch control module 420, the switch control module 420 includes a plurality of switch units 421 connected in parallel, a control end of each switch unit 421 is electrically connected to the main control MCU410, and an output end of each switch unit 421 is electrically connected to the corresponding cylinder 310. The main control MCU410 controls the on/off of each switch unit 421 according to a predetermined program, and further controls the movement of the cylinder 310; when the corresponding switch unit 421 is connected, the control air valve of the corresponding air cylinder 310 is opened, and the air cylinder 310 starts to move to perform the key pressing. In the present invention, the cylinder 310 is a finger cylinder, and other types of cylinders can be adopted according to actual needs.

As shown in fig. 2 and 3, in the present invention, the switch unit 421 is a relay, which is specifically HF46F-12-HS1, but may be of other types. In order to better control the on/off of the relay, a driving module 430 is further disposed between the main control MCU410 and the switch control module 420, an input end of the driving module 430 is electrically connected to an output end of the main control MCU410, and an output end of the driving module 430 is electrically connected to a control end of the switch control module 420. The utility model discloses in, the concrete model that master control MCU410 adopted is R7FOC002L2DFB, and drive module 430 has then adopted Darlington transistor array integrated circuit chip ULN2003, and ULN2003 is high withstand voltage, heavy current composite transistor, comprises seven silicon NPN composite transistor. As shown in fig. 2 and 3, the first signal input pin 1B of the ULN2003 is electrically connected TO the SEG4/INTP1/SCK01/P15 pin of the master MCU410, the second signal input pin 2B of the ULN2003 is electrically connected TO the SEG5/INTP 2/SI 01/P16 pin of the master MCU410, the third signal input pin 3B of the ULN2003 is electrically connected TO the SEG6/TO02/SO01/P17 pin of the master MCU410, the fourth signal input pin 4B of the ULN2003 is electrically connected TO the (PCLBUZ0)/SEG7/P50 pin of the master MCU410, the fifth signal input pin 5B of the ULN2003 is electrically connected TO the SEG8/TO 9/TO 06/P51 pin of the master MCU410, the sixth signal input pin 6B of the ULN2003 is electrically connected TO the SEG 53/P52/TO the/TO P6862/P51 pin 53/the master MCU410, the sixth signal input pin 366B of the ULN2003 is electrically connected TO the SEG 368672/the master MCU410, the ground pin GND of the ULN2003 is grounded; a first signal output pin 1C of the ULN2003 is electrically connected with a control end of the first relay RL1, a second signal output pin 2C of the ULN2003 is electrically connected with a control end of the second relay RL2, a third signal output pin 3C of the ULN2003 is electrically connected with a control end of the third relay RL3, a fourth signal output pin 4C of the ULN2003 is electrically connected with a control end of the fourth relay RL4, a fifth signal output pin 5C of the ULN2003 is electrically connected with a control end of the fifth relay RL5, a sixth signal output pin 6C of the ULN2003 is electrically connected with a control end of the sixth relay RL6, and a seventh signal output pin 7C of the ULN2003 is electrically connected with a control end of the seventh relay RL 7; the (INTP2)/SEG11/P54 pin of the main control MCU410 is connected to the base electrode of a triode Q1 through a resistor R23, the emitter electrode of the triode Q1 is grounded, a resistor R24 is connected between the base electrode and the emitter electrode of the triode Q1 in series, the collector electrode of the triode Q1 is electrically connected with the control end of an eighth relay RL8, and a diode D1 is connected between the collector electrode of the triode Q1 and the eighth relay RL8 in parallel.

As shown in fig. 2 and 4, the control circuit further includes a power module 440, and an output terminal of the power module 440 is electrically connected to a power terminal of the main control MCU 410. As shown in fig. 4, in the present invention, the input terminal of the power module 440 is connected to a 12V power supply, and the voltage converted into 5V by the voltage stabilizing chip 78D05 is used to supply power to the whole control circuit. Of course, other common types of the voltage stabilizing chip can be adopted.

As shown in fig. 2 and 4, the control circuit further includes an isolation input module 450, the isolation input module 450 includes a plurality of isolation input units connected in parallel, an input end of each isolation input unit is electrically connected to the corresponding metal probe on each product fixing unit 110, and an output end of each isolation input unit is electrically connected to an input end of the main control MCU 410. As shown in fig. 4, the utility model discloses in, keep apart the input unit and include photoelectric coupler, photoelectric coupler's input and every product fix a position 110 on the metal probe electric connection that corresponds, photoelectric coupler's output and master control MCU 410's input electric connection. Specifically, the isolation input module 450 includes nine parallel isolation input units, each isolation input unit is provided with a photoelectric coupler PC817, an input end of the photoelectric coupler PC817 is connected to an output port of the product to be tested through a metal probe, and then an output signal of the product to be tested is output to the main control MCU410, so as to test whether an output function of the product to be tested is normal.

As shown in fig. 2, the control circuit further includes a reset module 460 electrically connected to the main control MCU 410. The utility model discloses in, reset module 460 includes key switch SW1, and key switch SW 1's one end is passed through resistance R22 and is connected the 5V power, and key switch SW 1's other end ground connection, key switch SW1 and resistance R22's the junction and the P74 SEG12 pin electric connection of master control MCU410, key switch SW1 still connect in parallel with electric capacity C18. By providing the reset module 460, the entire test circuit can be reset when the key switch SW1 is pressed, preventing the test process from malfunctioning.

As shown in fig. 2, the control circuit further includes a prompt module 470 electrically connected to the main control MCU 410. The prompting module 470 comprises a buzzer and a triode Q2, the base of the triode Q2 is connected with the SEG27/P140 pin of the main control MCU410 through a resistor R25, the emitter of the triode Q2 is grounded, the collector of the triode Q2 is connected with the input end of the buzzer through a resistor R27, and the power supply end of the buzzer is connected with a 5V voltage source. As shown in fig. 1, a test switch 120 is disposed on the test base frame 100, and when the test switch 120 is pressed, a function test is started, and at this time, the main control MCU410 sends a signal to the buzzer, so that the buzzer sounds to prompt a user that the test is started. The prompting module can adopt an LED, a loudspeaker and the like besides a buzzer, as shown in fig. 1, a pin P120/ANI17/SEG25 of the main control MCU410 is connected with a cathode of the LED1, an anode of the LED1 is connected with a 5V power supply through a resistor R1, and in the test process, the LED1 can emit light to remind a user of testing. As shown in fig. 1, a power switch 130 is further disposed on the testing pedestal for turning on and off the whole device.

As shown in fig. 1, a plurality of voltage meters and/or a plurality of current meters 500 are disposed on the testing base frame 100, and each voltage meter and/or each current meter 500 is electrically connected to a corresponding metal probe. The utility model discloses in, corresponding to two product fixed positions 110, be provided with two ampere meters 500, be used for measuring the operating current of the product that awaits measuring on every product fixed position 110 respectively. Of course, besides the ammeter 500, a voltmeter may be provided, and the specific number of the ammeter and the voltmeter may be adjusted according to actual needs.

As shown in fig. 1, a plurality of infrared light emitting devices 600 are disposed on the testing base frame 100, and each infrared light emitting device 600 is configured to emit an infrared light signal for receiving a product to be tested placed on a corresponding product fixing position 110; by providing the infrared light emitting device 600, it is possible to test whether the signal receiving function of the product to be tested is normal.

In the description herein, references to the description of the term "one embodiment," "a further embodiment," "some specific embodiments," or "some examples," etc., mean that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An FCT testing apparatus, comprising:

the testing base frame is provided with a plurality of product fixing positions, and each product fixing position is provided with a plurality of metal probes;

the touch panel is arranged on the testing base frame, a plurality of function keys are arranged on the touch panel, and each function key is electrically connected with the corresponding metal probe on each product fixing position;

the cylinder group is arranged opposite to the touch panel and comprises a plurality of cylinders, and each cylinder corresponds to one function key;

the control circuit board is arranged on the test base frame and is electrically connected with the cylinder group, and a control circuit is arranged on the control circuit board and is used for controlling the action of the cylinder group.

2. The FCT test apparatus of claim 1, wherein the control circuit comprises:

a main control MCU;

the switch control module comprises a plurality of switch units which are connected in parallel, the control end of each switch unit is electrically connected with the output end of the main control MCU, and the output end of each switch unit is electrically connected with the corresponding control end of the air cylinder.

3. The FCT test equipment of claim 2, wherein the control circuit further comprises a driving module, an input terminal of the driving module is electrically connected to an output terminal of the main control MCU, and an output terminal of the driving module is electrically connected to a control terminal of the switch control module.

4. The FCT testing device of claim 2 or 3, wherein the control circuit further comprises a power module, and an output terminal of the power module is electrically connected to a power terminal of the master MCU.

5. The FCT testing device of claim 2 or 3, wherein the control circuit further comprises an isolation input module, the isolation input module comprises a plurality of isolation input units connected in parallel, an input end of each isolation input unit is electrically connected to the corresponding metal probe of each product fixing position, and an output end of each isolation input unit is electrically connected to an input end of the main control MCU.

6. The FCT testing equipment of claim 5, wherein the isolation input unit comprises an optoelectronic coupler, an input end of the optoelectronic coupler is electrically connected to the corresponding metal probe on each product fixing position, and an output end of the optoelectronic coupler is electrically connected to an input end of the main control MCU.

7. The FCT test apparatus of claim 2, wherein the control circuit further comprises a reset module electrically connected to the master MCU.

8. The FCT test device of claim 2 or 7, wherein the control circuit further comprises a prompt module electrically connected to the master MCU.

9. The FCT testing equipment of claim 1, wherein a plurality of voltmeters and/or a plurality of ammeters are arranged on the testing pedestal, and each voltmeters and/or each ammeters is electrically connected with the corresponding metal probe.

10. The FCT testing apparatus according to claim 1, wherein a plurality of infrared light emitting devices are disposed on the testing pedestal, each of the infrared light emitting devices being configured to provide an infrared signal to a corresponding product to be tested on the product holding position.