CN118131724A - Test circuit and test system - Google Patents

Test circuit and test system Download PDF

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Publication number
CN118131724A
CN118131724A CN202410192374.1A CN202410192374A CN118131724A CN 118131724 A CN118131724 A CN 118131724A CN 202410192374 A CN202410192374 A CN 202410192374A CN 118131724 A CN118131724 A CN 118131724A
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CN
China
Prior art keywords
module
test
control module
plug
measurement
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410192374.1A
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Chinese (zh)
Inventor
朱玉东
何海龙
罗大微
吴琼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhongkexin Micro Intelligent Equipment Shenyang Co ltd
Original Assignee
Zhongkexin Micro Intelligent Equipment Shenyang Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhongkexin Micro Intelligent Equipment Shenyang Co ltd filed Critical Zhongkexin Micro Intelligent Equipment Shenyang Co ltd
Priority to CN202410192374.1A priority Critical patent/CN118131724A/en
Publication of CN118131724A publication Critical patent/CN118131724A/en
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • G01R1/0416—Connectors, terminals

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

The invention provides a test circuit and a test system, which are used for testing an automatic control module, and comprise a power supply module, a measurement and control module and a plug-in module; the power supply module is used for carrying out direct current power supply on the measurement and control module and the plug-in module; the measurement and control module is used for providing a test signal; the plug-in module is used for being in butt joint with the automatic control module so as to test the automatic control module according to the test signal. The electric connection with various automatic control modules can be realized through the plug-in module, and the test signal provided by the measurement and control module is used for testing the automatic control modules, and the plug-in module can be suitable for various automatic control modules, meanwhile, the test signal can be adjusted and set according to different automatic control modules, so that the test circuit can meet the test of various automatic control modules, the universality of the test circuit is improved, and the problem of how to provide a test circuit system with strong universality to reduce the cost of testing the automatic control modules is solved.

Description

Test circuit and test system
Technical Field
The present invention relates to the field of circuit design, and in particular, to a test circuit and a test system.
Background
Along with the development of automation technology, various devices and apparatuses are controlled by circuits, and in general, the automatic control function of the devices and apparatuses can be realized through automatic control modules such as a PCB (printed circuit board) card or a PLC (programmable logic controller). However, in the existing manufacturing equipment enterprises, most of the used automatic control modules belong to outsourcing parts, and if the quality of the outsourcing parts does not meet the requirement, the productivity of the manufacturing equipment enterprises can be directly affected, so that it is very important to effectively test the outsourcing parts.
The function of the outsourcing part can be known through testing, and different automatic control modules need different testing programs to be matched with specific testing circuits for testing, so that manufacturing equipment enterprises not only need to conduct design research and development of a testing system aiming at the automatic control modules, but also need to spend extra cost for testing and checking the automatic control modules, and the research and development period of manufacturing equipment products is long and the cost is high. In addition, when the manufactured equipment products are taken off line, the special test system is in a useless state, so that resources are wasted.
Disclosure of Invention
The invention aims to provide a test circuit and a test system, which are used for solving the problem of how to provide a test circuit system with strong universality so as to reduce the cost of a test automatic control module.
In order to solve the technical problems, the invention provides a test circuit for testing an automatic control module, which comprises a power supply module, a measurement and control module and a plug-in module; the power supply module is used for carrying out direct current power supply on the measurement and control module and the plug-in module; the measurement and control module is used for providing a test signal; the plug-in module is used for being in butt joint with the automatic control module so as to test the automatic control module according to the test signal.
Optionally, in the test circuit, the power supply module includes a filter, a dc power supply, and a power supply terminal block; the filter is used for filtering the alternating current power supply; the direct current power supply is used for converting the filtered alternating current into direct current; the power supply terminal block is connected with the measurement and control module to carry out direct current power supply on the measurement and control module.
Optionally, in the test circuit, the filter is an IEC socket filter.
Optionally, in the test circuit, the measurement and control module includes a butt joint male head and a self-locking button with a lamp; one end of the butt joint male head is connected with an upper computer, and the other end of the butt joint male head is connected with the plug-in module so as to transmit a test signal sent by the upper computer to the plug-in module; the self-locking button with the lamp is used for manually controlling the power supply state of the plug-in module.
Optionally, in the test circuit, the plugging module includes a plugging terminal row and a plurality of plugging branches; each plug-in branch is connected in parallel and then connected with the self-locking button with the lamp so as to realize power supply control, and two ends of each plug-in branch are respectively connected with the contact point of the butt joint male head and the contact point of the plug-in terminal row; the plug terminal strip is used for being in butt joint with the automatic control module.
Optionally, in the test circuit, a relay is disposed on each of the plugging branches.
Optionally, in the test circuit, each two contact points in the socket terminal row form a group of test bits, and the test bits are connected with a point to be tested of the automatic control module, so as to test the point to be tested.
Optionally, in the test circuit, the test circuit further includes a protection module, where the protection module is configured to disconnect the measurement and control module from the socket module, so as to stop testing the automatic control module.
Optionally, in the test circuit, the protection module includes an emergency stop button and a docking head; the butt joint female head is connected with the butt joint male head of the measurement and control module; the protection module is configured to: when the scram button is pressed, the butt joint male connector is in short circuit, so that the measurement and control module is disconnected with the plug-in module.
In order to solve the technical problems, the invention also provides a test system, which comprises an upper computer and the test circuit; the upper computer is burnt with a test program, and is connected with the measurement and control module to send a test signal to the measurement and control module according to the test program.
The invention provides a test circuit and a test system, which are used for testing an automatic control module, and comprise a power supply module, a measurement and control module and a plug-in module; the power supply module is used for carrying out direct current power supply on the measurement and control module and the plug-in module; the measurement and control module is used for providing a test signal; the plug-in module is used for being in butt joint with the automatic control module so as to test the automatic control module according to the test signal. The electric connection with various automatic control modules can be realized through the plug-in module, and the test signal provided by the measurement and control module is used for testing the automatic control modules, and the plug-in module can be suitable for various automatic control modules, meanwhile, the test signal can be adjusted and set according to different automatic control modules, so that the test circuit can meet the test of various automatic control modules, the universality of the test circuit is improved, and the problem of how to provide a test circuit system with strong universality to reduce the cost of testing the automatic control modules is solved.
Drawings
Fig. 1 is a block diagram of a test circuit according to the present embodiment;
Fig. 2 is a circuit configuration diagram of a power supply module provided in the present embodiment;
Fig. 3 is a circuit structure diagram of the connection between the male connector and the plug module according to the present embodiment;
fig. 4 is a circuit structure diagram of the connection between the self-locking button with lamp and the plug-in module according to the embodiment;
fig. 5 is a circuit configuration diagram of a protection module provided in the present embodiment;
Fig. 6 is a block diagram of a test system according to the present embodiment.
Detailed Description
The test circuit and the test system according to the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the invention. Furthermore, the structures shown in the drawings are often part of actual structures. In particular, the drawings are shown with different emphasis instead being placed upon illustrating the various embodiments.
It is noted that "first", "second", etc. in the description and claims of the present invention and the accompanying drawings are used to distinguish similar objects so as to describe embodiments of the present invention, and not to describe a specific order or sequence, it should be understood that the structures so used may be interchanged under appropriate circumstances. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiment provides a test circuit for testing an automatic control module, as shown in fig. 1, wherein the test circuit comprises a power supply module, a measurement and control module and a plug-in module; the power supply module is used for carrying out direct current power supply on the measurement and control module and the plug-in module; the measurement and control module is used for providing a test signal; the plug-in module is used for being in butt joint with the automatic control module so as to test the automatic control module according to the test signal.
The test circuit provided by the embodiment can realize the electric connection with various automatic control modules through the plug-in module, and realize the test of the automatic control modules through the test signal provided by the measurement and control module.
Specifically, in this embodiment, as shown in fig. 2, the power supply module includes a filter AC PWR, a dc power supply G, and a power supply terminal row XT1; the filter AC PWR is used for filtering the alternating current power supply; the direct current power supply G is used for converting the filtered alternating current into direct current; the power supply terminal row XT1 is connected with the measurement and control module to carry out direct current power supply on the measurement and control module.
Preferably, the filter is an IEC socket type filter in this embodiment, considering that the test circuit will normally be powered by a 220V power socket. The IEC socket type filter can effectively filter alternating current, so that output current is stable, stable operation of a test circuit is guaranteed, meanwhile, the IEC socket type filter can also play a role of a switch, and on-off operation of the test circuit is facilitated.
In a specific embodiment, the IEC receptacle filter may be an IEC receptacle filter of model FN-286-06, having a first end (neutral) and a second end (hot) connected to the neutral and hot of the dc power supply G by 1.0mm 2 wires, respectively, and a third end (ground) connected to ground by 2.5mm 2 wires. Meanwhile, the direct current power supply G is grounded through a wire of 1.0mm 2, and converts alternating current into 24V direct current through an internal circuit to be output through the power supply terminal block XT 1. The power supply terminal row XT1 can select 2.5-interval terminal rows, and the 2.5-interval terminal rows can be applied to the terminal rows below 1.5mm 2, so that the universality of the test circuit is improved.
Of course, in other embodiments, different dc power sources may be selected according to actual needs, so as to provide dc power with different voltages, and accordingly, in order to ensure circuit safety, the specification of the electric wire used for connection should be adjusted accordingly, which is well known to those skilled in the art, and this is not repeated in the present application.
Further, in this embodiment, as shown in fig. 3 and 4, the measurement and control module includes a butt joint male head SYSIO-5MC-XP and a self-locking button with lamp 5SB; one end of the butt joint male connector SYSIO-5MC-XP is connected with an upper computer, and the other end of the butt joint male connector SYSIO-5MC-XP is connected with the plug-in module XT4 so as to transmit a test signal sent by the upper computer to the plug-in module XT4; the self-locking lamp button 5SB is used for manually controlling the power supply state of the jack module XT 4.
In one embodiment, the docking male SYSIO-5MC-XP is a DB50 male with multiple points of contact. The self-locking button 5SB with the lamp is provided with a power input end, and the positive electrode and the negative electrode of the power input end are respectively connected with the positive electrode and the negative electrode of the direct current power supply G so that 24V direct current provided by the direct current power supply G is supplied to the measurement and control module; wherein, the self-locking button 5SB with lamp is connected with the output end of the DC power supply G through a wire of 0.3mm 2. The positive electrode (1.2) of the self-locking button with the lamp 5SB is connected with the self-locking button, and the negative electrode (6.2) is connected with a light emitting diode, so that the power supply state of the plug-in module is changed by pressing the button. Specifically, after the self-locking button is pressed, the plug-in module supplies power, and the light emitting diode emits light to indicate; when the self-locking button is lifted, the plug-in module is powered off, and the light emitting diode does not emit light.
Further, in this embodiment, as shown in fig. 3 and 4, the jack module includes a jack terminal row XT4 and a plurality of jack branches; each plug-in branch is connected in parallel and then connected with the self-locking button with lamp 5SB to realize power supply control, and two ends of each plug-in branch are respectively connected with the contact point of the butt joint male connector SYSIO-5MC-XP and the contact point of the plug-in terminal row XT 4; the patch terminal row XT4 is used to interface with the automatic control module.
Preferably, in order to perform stable control on each plugging branch, thereby ensuring the safety of the test circuit, in this embodiment, each plugging branch is provided with a relay KA. Specifically, the relay KA can select an ABB ultrathin relay, so that the area of the test circuit is effectively reduced, and the integration of the test circuit is facilitated. As shown in fig. 3, the contact 3 and the contact 4 of the relay KA are normally open contacts of the relay; as shown in fig. 4, A1 and A2 of the relay KA are coils of the relay; when current flows through each plug-in branch, the relay KA is in a closed state.
In the circuit structures shown in fig. 3 and fig. 4, the number of the plugging branches is 14, but in practical application, the number of the plugging branches can be set according to practical needs, and the application is not limited to this. When the plug-in branch is added, an additional relay can be connected in parallel, and the number of contact points of the plug-in terminal row and the number of contact points of the butt joint male connector are matched and adjusted.
In practical application, every two contact points in the plug terminal row form a group of test positions, and the test positions are connected with the to-be-tested point positions of the automatic control module so as to test the to-be-tested point positions. Specifically, as shown in fig. 3, in the plug terminal row XT4, the contact point 1.1 and the contact point 1.2 are both turned on and off by means of the relay KA1 and are respectively connected to the contact points 18 and 19 of the plug connector, so that when the to-be-tested point of the automatic control module is connected to the contact point 1.1 and the contact point 1.2, a loop is formed by the relay KA1, so that the test signals sent by the contact points 18 and 19 of the plug connector can reach the to-be-tested point of the automatic control module, and the test of the to-be-tested point of the automatic control module is realized.
In this embodiment, according to the contact point arrangement sequence of the jack terminal row XT4, every two contact points form a group of test sites, so that the jack terminal row XT4 is convenient to connect with the automatic control module. Of course, in other embodiments, the order of the two contact points in the test site in the socket terminal row may be reasonably adjusted according to the positional relationship of each point to be tested in the automatic control module, and in some cases, the contact points of the socket terminal row may be shared in different test sites.
Preferably, in order to ensure the safety of the test operation and to enable the test circuit to be powered off under the condition of sudden abnormality, in this embodiment, the test circuit further includes a protection module, where the protection module is configured to disconnect the measurement and control module from the socket module, so as to stop the test of the automatic control module.
Specifically, as shown in fig. 5, in this embodiment, the protection module includes an emergency stop button EMS and a docking master MISC-MC-XS; the butt joint female joint MISC-MC-XS is connected with the butt joint male joint SYSIO-5MC-XP of the measurement and control module; the protection module is configured to: when the emergency stop button EMS is pressed, the butt joint male connector SYSIO-5MC-XP is short-circuited, so that the measurement and control module is disconnected from the plug-in module.
In one embodiment, two ends of the emergency stop button EMS are respectively connected with two end points of the butt joint female through wires of 0.3mm 2. In this embodiment, the model of the docking female is specifically DB50 so as to match the docking male. Of course, in other embodiments, other types of female and male connectors may be selected to be used in conjunction.
The embodiment also provides a test system, as shown in fig. 6, which comprises an upper computer and the test circuit; the upper computer is burnt with a test program, and is connected with the measurement and control module to send a test signal to the measurement and control module according to the test program.
When the test is performed, the test program used for testing the automatic control module is burnt into the upper computer, so that the upper computer sends a test signal to the measurement and control module according to the test program, and normally, the test signal is a pulse signal, and the IO condition of the point to be tested of the automatic control module is judged through the high and low levels. After the upper computer burns the test program, the automatic control module is inserted into the plug terminal row of the plug module, so that the points to be tested are connected in one-to-one correspondence with the test positions of the plug terminal row. And then, switching on a power supply, and pressing a self-locking button with a lamp, so that the electric conduction between the measurement and control module and the plug-in module is realized, and an automatic control module on the plug-in module receives a test signal sent by an upper computer. After the test, the test signal is returned to the upper computer through the loop of the test circuit, and the upper computer judges the returned test signal through the test program, so that the test of the automatic control module is realized.
According to the test circuit and the test system, as the plugging module is provided with the plurality of plugging branches and each plugging branch is connected to the measurement and control module, the test circuit and the test system can test a plurality of points to be tested in the automatic control module at the same time, and the test efficiency is improved. Of course, if some points to be tested need to be shielded, the shielding can be realized by setting a plugging branch switch and the like; and when some to-be-tested point bits need to be kept in the on state by the clock, the specific connection circuit of the protection module can be designed to shield the test bits corresponding to the to-be-tested point bits so as not to be controlled by the protection module.
In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, so that the same similar parts of each embodiment are referred to each other.
The test circuit and the test system are used for testing the automatic control module, and comprise a power supply module, a measurement and control module and a plug-in module; the power supply module is used for carrying out direct current power supply on the measurement and control module and the plug-in module; the measurement and control module is used for providing a test signal; the plug-in module is used for being in butt joint with the automatic control module so as to test the automatic control module according to the test signal. The electric connection with various automatic control modules can be realized through the plug-in module, and the test signal provided by the measurement and control module is used for testing the automatic control modules, and the plug-in module can be suitable for various automatic control modules, meanwhile, the test signal can be adjusted and set according to different automatic control modules, so that the test circuit can meet the test of various automatic control modules, the universality of the test circuit is improved, and the problem of how to provide a test circuit system with strong universality to reduce the cost of testing the automatic control modules is solved.
The above description is only illustrative of the preferred embodiments of the present invention and is not intended to limit the scope of the present invention, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.

Claims (10)

1. The test circuit is used for testing the automatic control module and is characterized by comprising a power supply module, a measurement and control module and a plug-in module; the power supply module is used for carrying out direct current power supply on the measurement and control module and the plug-in module; the measurement and control module is used for providing a test signal; the plug-in module is used for being in butt joint with the automatic control module so as to test the automatic control module according to the test signal.
2. The test circuit of claim 1, wherein the power module comprises a filter, a dc power supply, and a power terminal block; the filter is used for filtering the alternating current power supply; the direct current power supply is used for converting the filtered alternating current into direct current; the power supply terminal block is connected with the measurement and control module to carry out direct current power supply on the measurement and control module.
3. The test circuit of claim 2, wherein the filter is an IEC socket filter.
4. The test circuit of claim 1, wherein the measurement and control module comprises a docking male and a self-locking lighted button; one end of the butt joint male head is connected with an upper computer, and the other end of the butt joint male head is connected with the plug-in module so as to transmit a test signal sent by the upper computer to the plug-in module; the self-locking button with the lamp is used for manually controlling the power supply state of the plug-in module.
5. The test circuit of claim 4, wherein the jack module includes a jack terminal row and a plurality of jack branches; each plug-in branch is connected in parallel and then connected with the self-locking button with the lamp so as to realize power supply control, and two ends of each plug-in branch are respectively connected with the contact point of the butt joint male head and the contact point of the plug-in terminal row; the plug terminal strip is used for being in butt joint with the automatic control module.
6. The test circuit of claim 5, wherein a relay is provided on each of the plug-in branches.
7. The test circuit of claim 5, wherein each two contact points in the socket terminal row form a set of test sites, the test sites being connected to test sites of the automatic control module for testing the test sites.
8. The test circuit of claim 4, further comprising a protection module for disconnecting the measurement and control module from the plug-in module to stop testing the automatic control module.
9. The test circuit of claim 8, wherein the protection module comprises a scram button and a docking head; the butt joint female head is connected with the butt joint male head of the measurement and control module; the protection module is configured to: when the scram button is pressed, the butt joint male connector is in short circuit, so that the measurement and control module is disconnected with the plug-in module.
10. A test system comprising a host computer and a test circuit as claimed in any one of claims 1 to 9; the upper computer is burnt with a test program, and is connected with the measurement and control module to send a test signal to the measurement and control module according to the test program.
CN202410192374.1A 2024-02-21 2024-02-21 Test circuit and test system Pending CN118131724A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410192374.1A CN118131724A (en) 2024-02-21 2024-02-21 Test circuit and test system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410192374.1A CN118131724A (en) 2024-02-21 2024-02-21 Test circuit and test system

Publications (1)

Publication Number Publication Date
CN118131724A true CN118131724A (en) 2024-06-04

Family

ID=91236879

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410192374.1A Pending CN118131724A (en) 2024-02-21 2024-02-21 Test circuit and test system

Country Status (1)

Country Link
CN (1) CN118131724A (en)

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