CN213337900U - Detection device - Google Patents
Detection device Download PDFInfo
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- CN213337900U CN213337900U CN202022054469.7U CN202022054469U CN213337900U CN 213337900 U CN213337900 U CN 213337900U CN 202022054469 U CN202022054469 U CN 202022054469U CN 213337900 U CN213337900 U CN 213337900U
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- circuit board
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Abstract
The utility model provides a detection device, include: a box body; the detection jig comprises a pressing mechanism and a test board, wherein the test board is used for placing a circuit board to be detected, and the pressing mechanism presses the circuit board to be detected during detection; the detection assemblies are arranged in the box body and are respectively connected with the control circuit board; the control module is arranged in the box body and is respectively connected with the pressing mechanism, the detection assembly and the control circuit board; the control circuit board is arranged in the box body and is connected with the circuit board to be detected through the detection jig, the control circuit board comprises a channel selection unit, and the channel selection unit selects one connection point communicated with the circuit board to be detected during each detection; the channel selection unit is connected with the control module; the utility model discloses can detect the circuit board comprehensively with automizing, provide work efficiency.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a detection device.
Background
At present, a large number of operational amplifiers, comparators, logic circuits and the like exist in the design of a medical instrument control system, and the performance of the whole system can be influenced if the precision of one link is insufficient. At present, in the system detection process, the detection of the function and the performance of the system is usually only aimed at, the detection of the circuit board is ignored, and if a problem is found in the system test, the problem of which part of the circuit board is difficult to accurately position is inconvenient to find and repair.
SUMMERY OF THE UTILITY MODEL
In view of the problem that prior art exists above, the utility model provides a detection device mainly solves the inconvenient problem of circuit board problem location.
In order to achieve the above and other objects, the present invention adopts the following technical solutions.
A detection device, comprising:
a box body;
the detection jig comprises a pressing mechanism and a test board, wherein the test board is used for placing a circuit board to be detected, and the pressing mechanism presses the circuit board to be detected during detection;
the detection assemblies are arranged in the box body and are respectively connected with the control circuit board;
the control module is arranged in the box body and is respectively connected with the pressing mechanism, the detection assembly and the control circuit board;
the control circuit board is arranged in the box body and is connected with the circuit board to be detected through the detection jig, the control circuit board comprises a channel selection unit, and the channel selection unit selects one connection point communicated with the circuit board to be detected during each detection; the channel selection unit is connected with the control module.
Optionally, the pressing mechanism comprises a pneumatic pressure head and an air pump, the pneumatic pressure head is communicated with the air pump through an air pipe, the air pump is connected with the control module, the air pump is controlled by the control module to provide air pressure for the pressure head, and the air pressure is adjusted to control the pressure head to press the circuit board to be detected and the separation action.
Optionally, the plurality of detection components comprises at least: multimeter, oscilloscope, electrical parameter appearance.
Optionally, the test board is provided with a circuit board installation position to be tested, a plurality of detection probes penetrate through the installation position, and the circuit board to be tested is connected with the control circuit board through the detection probes.
Optionally, the detection probe is a retractable probe, and in a normal state, the detection probe is separated from the control circuit board or the circuit board to be detected; when the circuit board to be detected is in a pressed state, the detection probe extends out to establish connection between the control circuit board and the detection circuit board.
Optionally, the internal space of the box body is divided into a plurality of areas by detachable partition plates, and the areas are respectively used for placing the plurality of detection assemblies and the control module.
Optionally, the channel selection unit includes a relay, an optocoupler switch, a digital switch, and an analog switch.
Optionally, the control module is connected to the display device, and displays and outputs the detection result through the display device.
As described above, the present invention provides a detection device having the following advantageous effects.
Different parameter tests are completed by switching the corresponding detection components through the control circuit board, comprehensive detection of the circuit board to be detected is automatically realized, the structure is simple, the operation is simple and convenient, and the working efficiency can be greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a detection device according to an embodiment of the present invention.
Fig. 2 is a schematic view of a detection flow of the detection device in an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
Referring to fig. 1, the present invention provides a detection device, which includes a box 1, a detection fixture, a control circuit board 7, a control module 2, and a plurality of detection components 3, 4, and 5.
In an embodiment, the internal space of the box 1 is divided into a plurality of areas by one or more partition plates, and the control module 2 and the plurality of detection assemblies 3, 4, 5 are placed in the divided areas, and the divided areas may be arranged in a transverse direction, a longitudinal direction or a combination thereof, and may be set according to practical application requirements, which is not limited herein. Optionally, the partition plates are detachably mounted in the box body 1, so that the detection assemblies 3, 4 and 5 in the corresponding areas can be replaced or maintained conveniently.
In an embodiment, the detecting components 3, 4, 5 may include a multimeter, an oscilloscope, an electrical parameter meter, and the like, and the corresponding detecting components 3, 4, 5 are selectively set according to the parameters to be detected, and the types of the detecting components 3, 4, 5 are not limited here. Each detection component 3, 4, 5 is connected with the control circuit board 7 and the control module 2.
In an embodiment, the control circuit board 7 is disposed on an upper layer of the box body 1, and the control circuit board 7 is provided with a plurality of connection points, different connection points may be correspondingly connected to different detection components 3, 4, 5, and the same detection components 3, 4, 5 may also be connected. When the impedance of the connection points is detected, all the connection points can be connected to a multimeter to obtain impedance data.
Each connecting point of the control circuit board 7 is connected with a connecting point of a circuit board 10 to be detected through a detection jig, the detection jig comprises a test board 9 and a pressing mechanism, a mounting position for placing the circuit board to be detected is arranged on the test board 9, and the size of the mounting position can be set according to the size of the circuit board to be detected. The mounting positions can be set to be detachable structures, and when the circuit boards 10 to be detected of different types are replaced, only the matched mounting positions need to be replaced. A plurality of detection probes are arranged on the mounting position in advance according to the connection points of the circuit board to be detected, and the detection probes penetrate through the mounting position and are used for connecting the circuit board to be detected 10 and the control circuit board 7. Alternatively, the detection probe may be a retractable probe, and in a normal state, one end of the retractable probe may be in contact with only one of the circuit board 10 to be detected or the control circuit board 7, or may not be in communication with the circuit board on any side. When the circuit board to be tested is pressed down, two ends of the telescopic probe are respectively connected with the circuit board on the corresponding side.
In an embodiment, the pressing mechanism may be a pneumatic pressing mechanism, and may include a pneumatic pressure head 11 and an air pump 12, the pneumatic pressure head 11 and the air pump 12 are connected through an air pipe, the air pump 12 is connected with the control module 2, and the air pump 12 is controlled by the control module 2 to adjust the air pressure of the pneumatic pressure head 11, so as to control the actions of pressing, lifting and the like of the pneumatic pressure head 11. When the pneumatic pressure head 11 is pressed down, the connection point on the circuit board to be detected 10 is connected with the connection point on the control circuit board 7 through the detection probe; when the pneumatic pressure head 11 is lifted, the circuit board 10 to be detected at the mounting position can be taken out, and a new circuit board 10 to be detected is put in.
In one embodiment, the control module 2 may adopt an industrial personal computer, a single chip, a programmable logic gate, etc., and the industrial personal computer is taken as an example, and the air pump 12 is controlled by the industrial personal computer to adjust the output air pressure.
In one embodiment, the control circuit board 7 is provided with a channel selection unit, and the channel selection unit can selectively communicate with one connection point on the circuit board 10 to be tested each time and connect the connection point with a corresponding test component for parameter detection. Alternatively, the channel selection unit may include a relay, an opto-coupler switch, a digital switch, an analog switch, and the like. The channel selection unit is connected with the control module 2, and the corresponding switch device is selectively turned on or off through the control module 2. For example, when digital signals, impedance and the like are measured, channel selection can be performed by adopting modes such as a relay, an optical coupler and a digital switch, and channel switching can be performed by adopting an analog switch mode in analog circuit detection. Optionally, the control circuit may also be provided with an anti-interference circuit, for example, measures such as signal isolation, follower, signal amplification and the like may be adopted to ensure the accuracy of the detected parameters, and the specific anti-interference circuit design may adopt a conventional design, which is not limited herein. Optionally, the control circuit board 7 may provide power and required communication signals for the circuit board 10 to be detected, so as to ensure that the circuit board 10 to be detected can work normally.
In an embodiment, the control module 2 may further include a corresponding external output interface, which is used to connect to the display device 13 to display the parameter data detected each time in real time. Optionally, the display device may be an interactive display device, such as a touch display screen, and the display device may be disposed on the box. When the display equipment is started, a plurality of test control buttons can be preset on the display interface, a control command is triggered by selecting the corresponding test button and is output to the control module, and the control module controls the detection assembly and the control circuit board to execute the corresponding test task. Codes of different test items can be preset in the control module and used for corresponding to a control command triggered by the test button, for example, the resistance test can be '001', the waveform test is '002', and how to set the corresponding relation between the control command and the test item so as to select the test item through the touch button for testing is the prior art, and details are not repeated here.
The circuit board to be detected can adopt an ultrasonic knife host circuit board, and the specific operation process of the detection device in the embodiment is as follows:
in step S101, the detection assemblies 3, 4, and 5 and the control module 2 are turned on, the display device during interaction is turned on, the self-checking option is selected, the detection device performs self-checking first, and it is checked whether all the detection assemblies 3, 4, and 5 are working normally, whether the working power supply is normal, and whether the various peripheral interfaces are connected normally. If the self-checking fails, a fault item is displayed, and the reason needs to be manually checked. After the fault is eliminated, the device can work normally.
In step S102, the circuit board to be detected 10 is placed on the detection jig, the air pump switch is turned on, and the industrial personal computer controls the pneumatic pressure head to press down and hold the circuit board to be detected 10, so that the circuit board to be detected 10 is in full contact with the detection probe.
In step S103, some necessary information, such as a serial number of a circuit board, a tester, a test time, etc., is input on the display interface of the interactive display device, and the test is started by clicking.
In step S104, the control circuit board 7 does not supply power to the circuit board 10 to be tested, tests the impedance of each connection point, switches channels through a relay or an analog switch, sequentially connects each connection point with a multimeter, and displays the impedance information of each connection point on the display screen in real time after the test is completed.
In step S105, after the impedance test is completed, power is supplied to the circuit board 10 to be tested, and various switching power values on the circuit board to be tested, static voltages at relevant contacts during static operation, and the like are measured by a multimeter and an oscilloscope through switching of the analog switch. And displaying the parameter information of each connecting point after the test on a display screen in real time.
In step S106, the control circuit board 7 provides a communication signal to the circuit board 10 to be detected, so that the circuit board 10 to be detected operates normally, outputs an ultrasonic control signal, sequentially measures the waveform amplitude and frequency of each amplifying circuit through a multimeter, an oscilloscope, and an electrical parameter meter, and outputs parameters such as waveform, voltage, current, power, and the like of the ultrasonic control signal. And displaying the parameter information of each tested point on a display screen in real time.
In step S107, the control circuit 7 provides a communication signal to the circuit board 10 to be tested, so that the circuit board 10 to be tested can realize some functions such as display, interface, peripheral and the like, for example, communication, interface communication, speaker output, light output and the like displayed on the display screen, and the tested data can be displayed on the display screen in real time by detecting the functions.
In step S108, after the test is completed, the final test result is displayed, and the data of each test can be viewed.
To sum up, the utility model discloses a detection device can be to circuit board performance, parameter, function etc. comprehensive inspection, just can screen qualified circuit board before production, also can be when the problem appears, the problem of host board is found to the precision, thereby is convenient for maintain; the detection result can be displayed in real time, and when the result exceeds a preset range, abnormity can be fed back, so that reference is provided for rectification and maintenance; the detection jig can be replaced and adjusted according to actual detection requirements, can be used for detecting circuit boards of different types, and improves the adaptability of the device. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (8)
1. A detection device, comprising:
a box body;
the detection jig comprises a pressing mechanism and a test board, wherein the test board is used for placing a circuit board to be detected, and the pressing mechanism presses the circuit board to be detected during detection;
the detection assemblies are arranged in the box body and are respectively connected with the control circuit board;
the control module is arranged in the box body and is respectively connected with the pressing mechanism, the detection assembly and the control circuit board;
the control circuit board is arranged in the box body and is connected with the circuit board to be detected through the detection jig, the control circuit board comprises a channel selection unit, and the channel selection unit selects one connection point communicated with the circuit board to be detected during detection each time; the channel selection unit is connected with the control module.
2. The detection device according to claim 1, wherein the pressing mechanism comprises a pneumatic pressure head and an air pump, the pneumatic pressure head is communicated with the air pump through an air pipe, the air pump is connected with the control module, the air pump is controlled by the control module to provide air pressure for the pressure head, and the pressure head is controlled to press the circuit board to be detected and separate the circuit board to be detected by adjusting the air pressure.
3. The detection apparatus according to claim 1, wherein the plurality of detection components comprises at least: multimeter, oscilloscope, electrical parameter appearance.
4. The detection device according to claim 1, wherein the test platform is provided with a mounting position of a circuit board to be tested, a plurality of detection probes are arranged on the mounting position in a penetrating manner, and the circuit board to be tested is connected with the control circuit board through the detection probes.
5. The detection device according to claim 4, wherein the detection probe is a retractable probe, and in a normal state, the detection probe is separated from the control circuit board or the circuit board to be detected; when the circuit board to be detected is in a pressed state, the detection probe extends out to establish connection between the control circuit board and the detection circuit board.
6. The detecting device for detecting the rotation of a motor rotor as claimed in claim 1, wherein the inner space of the box body is divided into a plurality of areas through detachable partition plates, and the areas are respectively used for placing the plurality of detecting assemblies and the control module.
7. The detection device according to claim 1, wherein the channel selection unit comprises a relay, an optocoupler switch, a digital switch, and an analog switch.
8. The detection apparatus according to claim 1, further comprising a display device, wherein the control module is connected to the display device, and displays and outputs the detection result through the display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022054469.7U CN213337900U (en) | 2020-09-18 | 2020-09-18 | Detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022054469.7U CN213337900U (en) | 2020-09-18 | 2020-09-18 | Detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213337900U true CN213337900U (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022054469.7U Active CN213337900U (en) | 2020-09-18 | 2020-09-18 | Detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213337900U (en) |
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2020
- 2020-09-18 CN CN202022054469.7U patent/CN213337900U/en active Active
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