CN216160779U - Testing device - Google Patents
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- CN216160779U CN216160779U CN202122275066.XU CN202122275066U CN216160779U CN 216160779 U CN216160779 U CN 216160779U CN 202122275066 U CN202122275066 U CN 202122275066U CN 216160779 U CN216160779 U CN 216160779U
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Abstract
The utility model relates to the field of testing, and particularly discloses a testing device which is used for testing a circuit board, and particularly, the testing device comprises an electric signal output unit, a signal acquisition unit, a main control unit and a prompt unit, wherein, the electric signal output unit comprises at least one signal output end which is connected with the circuit board to be tested and provides working power supply for the circuit board to be tested, the input end of the signal acquisition unit is connected with a point to be detected of the circuit board to be detected, the signal acquisition unit transmits a signal of the point to be detected to the main control unit, the main control unit is used for receiving the signal of the point to be detected and outputting the test result to the prompt unit, the prompting unit is used for prompting the test result, and the testing device provided by the utility model replaces manual work to carry out testing, so that the testing efficiency is improved, and the labor cost is reduced.
Description
Technical Field
The utility model relates to the technical field of testing, in particular to a testing device.
Background
All need to test the product after PCBA production is accomplished, judge whether produce property can be normal, ensure that shipment product can produce property to be good, however, current PCBA's test all adopts the manual work to test each test point one by one, and test time is long, and efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model provides a testing device for solving the problems that in the prior art, product testing needs to be performed manually on each testing point one by one, testing time is long, and efficiency is low.
The technical scheme adopted by the utility model is as follows:
a test apparatus, comprising:
the electric signal output unit comprises at least one signal output end, and the signal output end is connected with the circuit board to be tested and provides a working power supply for the circuit board to be tested;
the input end of the signal acquisition unit is connected with a point to be detected of the tested circuit board, and the signal acquisition unit transmits a signal of the point to be detected to the main control unit;
the main control unit is used for receiving the signals of the points to be detected and outputting the test result to the prompt unit;
and the prompting unit is used for prompting a test result.
Further, the electric signal output unit comprises a voltage stabilizing chip U5, at least one resistor R16 and at least one switch circuit, the first end of the voltage stabilizing chip U5 is connected with the second end of the voltage stabilizing chip U5 through the resistor R16, the first end of the voltage stabilizing chip U5 is connected with the first end of the switch circuit, the second end of the switch circuit is connected with the output end of the main control unit, the third end of the switch circuit is connected with a power supply, meanwhile, the third end of the switch circuit is grounded through a capacitor, the second end of the voltage stabilizing chip U5 is used for providing a working power supply for the circuit board to be tested, and the third end of the voltage stabilizing chip U5 is connected with the first power supply.
Furthermore, the signal acquisition unit comprises at least one voltage division circuit, the voltage division circuit comprises at least two voltage division resistors, the two voltage division resistors are respectively configured to be a first voltage division resistor and a second voltage division resistor, one end of the first voltage division resistor is connected with a point to be tested of the tested circuit board, the other end of the first voltage division resistor is connected with one end of the second voltage division resistor, meanwhile, the other end of the first voltage division resistor is connected with the main control unit, and the other end of the second voltage division resistor is grounded.
Furthermore, the prompt unit comprises a display module, and the display module is connected with the main control unit.
Furthermore, the prompt unit comprises a warning module, and the warning module is connected with the main control unit.
Furthermore, the testing device also comprises a function selection unit, wherein the function selection unit comprises at least one key switch, and the key switch is connected with the main control unit.
Furthermore, the testing device also comprises a storage unit, and the storage unit is connected with the main control unit.
Furthermore, the testing device also comprises a magnetic signal generating unit, and the magnetic signal generating unit is connected with the main control unit.
Furthermore, the testing device also comprises an upper computer, and the upper computer is connected with the main control unit through the communication unit.
Compared with the prior art, the utility model has the beneficial effects that:
the testing device provided by the utility model comprises an electric signal output unit, a signal acquisition unit, a main control unit and a prompt unit, wherein a testing power supply is simulated through the electric signal output unit to supply power to each module of a product, then signals of each test point to be tested of the product are transmitted to the main control unit through the signal acquisition unit, and then a test result is prompted by the prompt unit.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic block diagram of a testing apparatus according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a main control unit according to an embodiment of the present invention;
fig. 3 is a circuit diagram of an electrical signal output unit according to an embodiment of the present invention;
fig. 4 is a circuit diagram of a signal acquisition unit according to an embodiment of the present invention;
FIG. 5 is a circuit diagram of a display module according to an embodiment of the present invention;
fig. 6 is a circuit diagram of an alarm module according to an embodiment of the present invention;
FIG. 7 is a circuit diagram of a function selecting unit according to an embodiment of the present invention;
FIG. 8 is a circuit diagram of a memory cell according to an embodiment of the present invention;
fig. 9 is a circuit diagram of a magnetic signal generating unit according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Fig. 1 shows a testing apparatus provided in this embodiment, which is used for testing a circuit board, specifically, the testing device comprises an electric signal output unit, a signal acquisition unit, a main control unit and a prompt unit, wherein, the electric signal output unit comprises at least one signal output end which is connected with the circuit board to be tested and provides working power supply for the circuit board to be tested, the input end of the signal acquisition unit is connected with a point to be detected of the circuit board to be detected, the signal acquisition unit transmits a signal of the point to be detected to the main control unit, the main control unit is used for receiving the signal of the point to be detected and outputting the test result to the prompt unit, the prompt unit is used for prompting a test result, and the test device provided by the embodiment replaces manual work to carry out testing, so that the testing efficiency is improved, and the labor cost is reduced.
As a specific embodiment of the main control unit provided in this embodiment, as shown in fig. 2, the model of the main control unit is STM32F407ZGT6, but other models may also be adopted in the main control unit provided in this embodiment, which is not limited to this.
As a specific embodiment of the electrical signal output unit provided by this embodiment, an input end of the electrical signal output unit is connected to a main control unit, specifically, as shown in fig. 3, the electrical signal output unit includes a voltage regulation chip U5, at least one resistor R16, and at least one switch circuit, a first end of the voltage regulation chip U5 is connected to a second end of the voltage regulation chip U5 through the resistor R16, a first end of the voltage regulation chip U5 is connected to a first end of the switch circuit, a second end of the switch circuit is connected to an output end of the main control unit, a third end of the switch circuit is connected to a power supply, and a third end of the switch circuit is grounded through a capacitor, a second end of the voltage regulation chip U5 provides an operating power supply for the circuit board to be tested, and a third end of the voltage regulation chip U5 is connected to the first power supply.
It should be noted that, in this embodiment, the electrical signal output unit includes three switch circuits, the three switch circuits are connected in parallel, second ends of the three switch circuits are all connected to the main control unit, and the main control unit outputs a control signal to drive the switch circuits to operate, so that the electrical signal output unit outputs a corresponding voltage signal.
As a specific embodiment of the signal acquisition unit provided in this embodiment, as shown in fig. 4, the signal acquisition unit includes at least one voltage division circuit, the voltage division circuit includes at least two voltage division resistors, the two voltage division resistors are respectively configured as a first voltage division resistor and a second voltage division resistor, one end of the first voltage division resistor is connected to a point to be tested of the circuit board to be tested, the other end of the first voltage division resistor is connected to one end of the second voltage division resistor, the other end of the first voltage division resistor is connected to the main control unit, and the other end of the second voltage division resistor is grounded.
Specifically, the signal acquisition unit in this embodiment includes six bleeder circuits, and six test points of waiting of the circuit board that awaits measuring are connected respectively to six bleeder circuit's input, and the voltage signal of each test point is exported for the main control unit, and of course, can also set up more bleeder circuits according to actual demand.
As a specific embodiment of the prompt unit provided in this embodiment, as shown in fig. 5 to 6, the prompt unit provided in this embodiment includes a display module and a warning module, the input ends of the display module and the warning module are respectively connected to the main control unit, the display module provided in this embodiment can display a test result, if there is a test result of the test point that is unqualified, the unqualified test point or the test step is displayed through the display module, so that a tester can check the unqualified reason of the product test conveniently, and meanwhile, if there is a test that is unqualified, the warning module gives an alarm to prompt the tester to check.
Further, the test device provided in this embodiment further includes a function selection unit, an output end of the function selection unit is connected to the main control unit, as shown in fig. 7, the function selection unit provided in this embodiment includes five key switches, the five key switches are respectively configured as a first key switch, a second key switch, a third key switch, a fourth key switch and a fifth key switch, the first key switch is used for resetting the test device provided in this embodiment, the second key switch is used for controlling the test device to be turned on or off, the third key switch is used for installing a signal in place (if the circuit board is not installed, the programming test cannot be performed), the fourth key switch is used for controlling the main control unit to test the circuit board to be tested, and the fifth key switch is used for controlling the main control unit to program programming and test the circuit board to be tested.
Specifically, the testing device further comprises a storage unit, the storage unit is connected with the main control unit, as shown in fig. 8, a program is stored in the storage unit, and when the fifth key switch is pressed, the program in the storage unit is output to the tested circuit board through the main control unit.
Further, the testing device further comprises a magnetic signal generating unit, the magnetic signal generating unit is connected with the main control unit, as shown in fig. 9, when the main control unit controls the magnetic signal generating unit to work, the magnetic signal generating unit generates a magnetic signal, when the circuit board to be tested receives the magnetic signal, the circuit board makes feedback, and the feedback is fed back to the main control unit through the signal collecting unit.
Further, the testing device further comprises an upper computer, the upper computer is connected with the main control unit through the communication unit, the testing result can be checked through the upper computer, and meanwhile the testing step and the testing function of the testing device can be changed through the upper computer, so that the testing device provided by the embodiment can meet testing requirements of different customers.
In conclusion, the testing device provided by the embodiment can replace manual work to carry out the tested product, so that the testing efficiency is improved, and the labor is saved.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A test apparatus, comprising:
the electric signal output unit comprises at least one signal output end, and the signal output end is connected with the circuit board to be tested and provides a working power supply for the circuit board to be tested;
the input end of the signal acquisition unit is connected with a point to be detected of the tested circuit board, and the signal acquisition unit transmits a signal of the point to be detected to the main control unit;
the main control unit is used for receiving the signals of the points to be detected and outputting the test result to the prompt unit;
and the prompting unit is used for prompting a test result.
2. The testing device of claim 1, wherein the electrical signal output unit comprises a voltage regulation chip U5, at least one resistor R16 and at least one switch circuit, a first terminal of the voltage regulation chip U5 is connected to a second terminal of the voltage regulation chip U5 through the resistor R16, a first terminal of the voltage regulation chip U5 is connected to a first terminal of the switch circuit, a second terminal of the switch circuit is connected to the output terminal of the main control unit, a third terminal of the switch circuit is connected to a power supply, a third terminal of the switch circuit is connected to the ground through a capacitor, a second terminal of the voltage regulation chip U5 provides an operating power supply for the circuit board to be tested, and a third terminal of the voltage regulation chip U5 is connected to the first power supply.
3. The testing device of claim 1, wherein the signal acquisition unit comprises at least one voltage divider circuit, the voltage divider circuit comprises at least two voltage divider resistors, the two voltage divider resistors are respectively configured as a first voltage divider resistor and a second voltage divider resistor, one end of the first voltage divider resistor is connected to the point to be tested of the circuit board to be tested, the other end of the first voltage divider resistor is connected to one end of the second voltage divider resistor, while the other end of the first voltage divider resistor is connected to the main control unit, and the other end of the second voltage divider resistor is grounded.
4. The testing device of claim 1, wherein the prompting unit comprises a display module, and the display module is connected with the main control unit.
5. The testing device of claim 1, wherein the prompting unit comprises an alerting module, and the alerting module is connected to the main control unit.
6. The testing device of claim 1, further comprising a function selection unit, wherein the function selection unit comprises at least one key switch, and the key switch is connected to the main control unit.
7. The testing device of claim 1, further comprising a storage unit, wherein the storage unit is connected to the master control unit.
8. The testing device of claim 1, further comprising a magnetic signal generating unit, wherein the magnetic signal generating unit is connected to the main control unit.
9. The testing device of claim 1, further comprising an upper computer, wherein the upper computer is connected to the main control unit through a communication unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122275066.XU CN216160779U (en) | 2021-09-18 | 2021-09-18 | Testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122275066.XU CN216160779U (en) | 2021-09-18 | 2021-09-18 | Testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216160779U true CN216160779U (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122275066.XU Active CN216160779U (en) | 2021-09-18 | 2021-09-18 | Testing device |
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| Country | Link |
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| CN (1) | CN216160779U (en) |
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2021
- 2021-09-18 CN CN202122275066.XU patent/CN216160779U/en active Active
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