CN215867072U - Automatic checking device for relay - Google Patents
Automatic checking device for relay Download PDFInfo
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- CN215867072U CN215867072U CN202121757705.XU CN202121757705U CN215867072U CN 215867072 U CN215867072 U CN 215867072U CN 202121757705 U CN202121757705 U CN 202121757705U CN 215867072 U CN215867072 U CN 215867072U
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Abstract
The utility model discloses an automatic relay checking device, which comprises an automatic checking host and a relay base integrated board; the automatic checking host machine mainly comprises a controller, an adjustable power supply, a touch screen, a voltage and current measuring module and an assembling box; the adjustable power supply output is automatically controlled by programming the controller and the touch screen in advance, the voltage is automatically adjusted according to the verification operation flow, the adjustable power supply output voltage is added to two ends of the relay coil, meanwhile, the controller detects the voltage and current of the relay coil and the actual on-off condition of relay contacts in real time, operation is automatically carried out, the action voltage, the return voltage, the action ratio, the return ratio and the coil resistance of the relay are obtained, and are compared with standard fixed values, the quality of the relay is automatically judged, and a verification result is obtained; after each verification, the device automatically stores the test data, displays the verification result in a table form, and can copy the test data through the mobile storage equipment.
Description
Technical Field
The utility model relates to the technical field of electrical secondary equipment and instrument and meter calibration, in particular to an automatic relay calibration device.
Background
The relay is one of the most important components in the field of electrical automation control, in the control of electrical secondary equipment, the functions of electrical isolation, contact expansion, drive power amplification and the like cannot be replaced by other components, and the relay is flexible and wide in application; as important components of the electrical secondary equipment and the automatic control system, whether the relay can work normally is directly related to the healthy operation level of the equipment, so that the relay check is an important work in the overhauling and maintaining processes of the electrical secondary equipment and the automatic control system; at present, the relay calibration mainly adopts two modes of manual pressurization calibration and automatic instrument calibration, the manual pressurization calibration is time-consuming and labor-consuming, and has higher experience and skill requirements on testers; and relay check gauge on the present market, it is too loaded down with trivial details either to have the operation debugging process, or has the condition of check-up incomplete function, adaptation on-the-spot actual need that can not be fine, the incomplete function mainly embodies: the checking process does not have visual indication of all contact action processes of the relay, can not automatically identify and indicate that each contact of the relay is a normally open contact or a normally closed contact, can not indicate the running state condition of the device in real time, does not have automatic analysis and judgment of test results, and does not have the functions of test data operation, storage and data export.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide the automatic relay checking device which can automatically check the relay, visually indicate all contact action processes and automatically calculate, analyze and judge a checking result.
The utility model is realized by the following technical scheme:
an automatic relay checking device comprises an automatic checking host (1) and a relay base integrated board (2); the automatic checking host (1) mainly comprises a controller (11), an adjustable power supply (12), a touch screen (13), a voltage and current measuring module (14) and an assembling box (15), wherein the touch screen (13) is in two-way communication connection with the controller (11), the output end of the controller (11) is connected with the control end of the adjustable power supply (12), the input instruction to the touch screen (13) can control the output voltage of the adjustable power supply (12) through the controller (11), the output end of the adjustable power supply (12) is connected with a coil terminal of the relay base (21), the input end of the voltage and current measuring module (14) is connected to the output end of the adjustable power supply (12), the voltage and current measuring module (14) can measure the voltage and the current of a coil of the relay (4), and the output ends of the contact feedback signal of the relay base (21) and the voltage and current measuring module (14) are respectively connected to the input end of the controller (11).
The controller (11), the adjustable power supply (12) and the voltage and current measuring module (14) are arranged inside the assembling box (15); the touch screen (13) is arranged on the front surface of the assembly box (15), and the screen of the touch screen (13) is displayed on the outer side of the assembly box (15); the back of the assembling box (15) is provided with a socket (151), a main switch (152), a device power interface (153) and a USB interface (154), the main switch (152) is used for controlling the connection and disconnection of the circuit of the whole device, the device power interface (153) is used for connecting an external power line, the USB interface (154) is used for plugging a mobile storage device (3), the mobile storage device (3) can be connected with the touch screen (13) through the USB interface (154), and test data can be copied to the mobile storage device (3) by inputting a corresponding instruction to the touch screen (13).
One side of the relay base integrated board (2) is provided with a socket (151) matched with the socket (151) on the back of the assembly box (15), and the automatic checking host (1) and the relay base integrated board (2) can be electrically connected by respectively plugging two ends of a socket (155) into the two sockets (151); the relay base integrated board (2) is composed of a plurality of relay bases (21) of different models so as to adapt to the calibration of the relays (4) of different models.
The working principle of the utility model is as follows:
the output of an adjustable power supply is automatically controlled by programming a controller and a touch screen in advance, the voltage is automatically adjusted according to a checking operation process, the output voltage of the adjustable power supply is added to two ends of a relay coil, meanwhile, the controller detects the voltage and the current of the relay coil and the actual on-off condition of a relay contact in real time, operation is automatically carried out, the action voltage, the return voltage, the action ratio, the return ratio and the coil resistance of the relay are obtained, and are compared with standard fixed values, the quality of the relay is automatically judged, and a checking result is obtained; after each verification, the device automatically stores the test data, displays the verification result in a table form, and can copy the test data through the mobile storage equipment.
Compared with the prior art, the utility model has the beneficial effects that:
automatic voltage regulation is realized, the action voltage, the return voltage and the on-off state of the contact are automatically detected, and a check result is automatically obtained through automatic operation and comparative analysis; the relay coil live-line condition and the contact position state condition can be indicated in real time, and the relay contact is indicated to be a normally open contact or a normally closed contact through automatic operation analysis, so that whether the relay contact type is correct or not can be judged conveniently; in the relay checking process, all the contacts are simultaneously detected and indicated, so that whether the relay contacts are normal or not is conveniently judged; the touch screen is provided with a historical verification data window for tabular display, so that the historical data can be conveniently checked; the device is provided with the historical verification data copy function, can copy historical test data, is convenient for later stage arrangement and analysis of data.
Drawings
FIG. 1 is a functional block diagram of the present invention;
FIG. 2 is a state diagram of the present invention in use;
FIG. 3 is a perspective view of the present invention (rear view);
FIG. 4 is a view of the internal structure of the automated verification platform of the present invention.
Reference numbers in the figures:
1-automatic verification host, 11-controller, 12-adjustable power supply, 13-touch screen, 14-voltage and current measurement module, 15-assembly box, 151-extension socket, 152-main switch, 153-device power supply interface, 154-USB interface and 155-extension plug wire;
2-a relay base integrated board, 21-a relay base;
3-a mobile storage device;
4-relay.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description is made with reference to the accompanying drawings.
As shown in fig. 1-4, an automatic relay checking device includes an automatic checking host 1 and a relay base integrated board 2; the automatic checking host 1 mainly comprises a controller 11, an adjustable power supply 12, a touch screen 13, a voltage and current measuring module 14 and an assembling box 15, wherein the touch screen 13 is in two-way communication connection with the controller 11, the output end of the controller 11 is connected with the control end of the adjustable power supply 12, the output voltage of the adjustable power supply 12 can be controlled by the controller 11 when an instruction is input to the touch screen 13, the output end of the adjustable power supply 12 is connected with a coil terminal of a relay base 21, the input end of the voltage and current measuring module 14 is connected to the output end of the adjustable power supply 12, the voltage and current measuring module 14 can measure the voltage and the current of a coil of a relay 4, and the output ends of a contact feedback signal of the relay base 21 and the voltage and current measuring module 14 are respectively connected to the input end of the controller 11.
As shown in fig. 1-4, the controller 11, the adjustable power supply 12 and the voltage-current measuring module 14 are installed inside the assembly box 15; the touch screen 13 is arranged on the front surface of the assembly box 15, and the screen of the touch screen 13 is displayed on the outer side; the back of the assembly box 15 is provided with a socket 151, a main switch 152, a device power interface 153 and a USB interface 154, wherein the main switch 152 is used for controlling the connection and disconnection of the whole device circuit, the device power interface 153 is used for connecting an external power line, and the USB interface 154 is used for plugging the mobile storage device 3.
Further, the removable storage device 3 can be connected to the touch screen 13 through the USB interface 154, and the verification data can be copied to the removable storage device 3 by inputting a corresponding instruction to the touch screen 13.
Furthermore, a socket 151 matched with the socket 151 outside the assembly box 15 is arranged on one side of the relay base integrated board 2, and the automatic verification host 1 is electrically connected with the relay base integrated board 2 by respectively inserting two ends of a socket 155 into the two sockets 151; the relay base integrated board 2 comprises a plurality of relay plug bases of different models so as to adapt to the calibration of the relays 4 of different models.
Further, the controller 11 controls the adjustable power supply 12 to automatically adjust the output voltage, the voltage smoothly rises from zero to the rated voltage of the relay 4 and then falls from the rated voltage to zero, the controller 11 detects the voltage and the current of the coil of the relay 4 and the position state of the contact of the relay 4 in real time in the process, and the detected signals are subjected to operation and comparison to obtain a verification result.
Further, when the state of the contact of the relay 4 is displaced in the boosting process, the measured voltage is the action voltage of the relay 4; when the state of the contact of the relay 4 is displaced in the voltage reduction process, the measured voltage is the return voltage of the relay 4; the percentage of the action voltage to the rated voltage is an action ratio, and the percentage of the return voltage to the rated voltage is a return ratio.
Further, when the rated voltage is output, the actual output voltage and current of the adjustable power supply 12 are measured, and the resistance value of the coil of the relay 4 is obtained through calculation according to the formula of R ═ U/I.
Further, when zero voltage is output, the contact state of the relay 4 is measured and obtained to be the initial state of the relay 4; when the rated voltage is output, the contact state of the relay 4 is measured and obtained as an action state; the controller automatically compares and calculates, the action state is closed, the initial state is open, and the normally open contact is automatically judged; the action state is open, the initial state is closed, and the normal close contact is automatically judged; the action state and the initial state are both disconnected, and the missed line (the empty contact) is automatically judged; the operation state and the initial state are both closed, and the abnormal contact is automatically judged.
Further, the controller 11 presets standard values of the action ratio, the return ratio and the coil resistance of the relay 4, and automatically gives a calibration result through comparison operation between an actual calibration measured value and a standard fixed value; the action ratio, the return ratio and the coil resistance all meet the standard value requirement, and each contact is not abnormal, and the verification result is qualified; the action ratio, the return ratio or the coil resistance, and if any one parameter does not meet the standard requirement or any one contact is abnormal, the check result is unqualified; and in the verification measurement data, when the action voltage is smaller than the return voltage, the verification result reports 'error'.
Further, a coil and a contact diagram of the relay 4 are arranged in the interface of the touch screen 13, the coil electrification condition and the contact position state of the relay 4 are indicated in real time in the verification process, and the normally open and normally closed verification results of each contact are given after the verification is finished.
Further, an action voltage, a return voltage, an action ratio, a return ratio, a coil resistance and a verification result display window are arranged in the interface of the touch screen 13 and used for displaying verification measurement data and a verification result.
Further, a real-time voltage, a system running state display window and a verification progress indication are arranged in the interface of the touch screen 13 and are used for displaying the running and verification progress conditions of the device.
Further, the touch panel 13 is provided with "prepare", "start", "confirm", and "exit" buttons as operations and controls of the apparatus.
Furthermore, a historical verification data list window is arranged in the interface of the touch screen 13, so that the verification data can be conveniently and uniformly checked and read, and the test data can be copied through the mobile storage device 3, so that the later-stage sorting and analysis are facilitated.
Further, human-computer interaction is realized through the touch screen 13, and the human-computer interaction comprises a test operation key, a test device state indication, a check relay state indication, test data display and test result display.
The working mode of the utility model is as follows:
the automatic checking host 1 and the relay base integrated board 2 are connected in advance by respectively inserting two ends of a power strip 155 into two power strip sockets 151, an external power line is plugged to be connected to commercial power, then whether the components of the device are connected correctly is checked, after the checking is correct, a main switch 152 is turned on, a corresponding checking instruction is input on the touch screen 13 according to the type of the relay 4 to be checked, and then the relay 4 to be checked is inserted into the relay base 21 with the corresponding type on the relay base integrated board 2; by programming the controller 11 and the touch screen 13 in advance, the controller 11 automatically controls the output voltage of the adjustable power supply 12 according to a verification process, the output voltage is sent to a coil terminal on the relay base 21 and finally added to a coil of the relay 4, the voltage and the current of the coil of the relay 4 are measured by the voltage and current measuring module 14 and then fed back to the controller 11, meanwhile, the contact state of the relay 4 is fed back to the controller 11 through the relay base 21, the touch screen 13 and the controller 11 realize two-way communication, a tester can operate the controller to perform verification work through a button or a dialog box programmed on the touch screen 13, and meanwhile, the controller 11 timely displays the running state of the device, the state of the relay during verification and test data on the touch screen 13 by operating on data; after the verification is finished each time, the touch screen 13 automatically stores the test data, the previous data is not covered, the historical verification data can be copied at one time through the mobile storage device 3, and the analysis and electronic management of the test data are facilitated.
Claims (6)
1. The utility model provides a relay automatic check device, includes automatic check host computer (1) and relay base integrated board (2), its characterized in that: the automatic checking host (1) mainly comprises a controller (11), an adjustable power supply (12), a touch screen (13), a voltage and current measuring module (14) and an assembling box (15), wherein the touch screen (13) is in two-way communication connection with the controller (11), the output end of the controller (11) is connected with the control end of the adjustable power supply (12), the input instruction to the touch screen (13) can control the output voltage of the adjustable power supply (12) through the controller (11), the output end of the adjustable power supply (12) is connected with a coil terminal of the relay base (21), the input end of the voltage and current measuring module (14) is connected to the output end of the adjustable power supply (12), the voltage and current measuring module (14) can measure the voltage and the current of a coil of the relay (4), and the output ends of the contact feedback signal of the relay base (21) and the voltage and current measuring module (14) are respectively connected to the input end of the controller (11).
2. The automatic relay verification device according to claim 1, wherein: the controller (11), the adjustable power supply (12) and the voltage and current measuring module (14) are arranged inside the assembling box (15); the touch screen (13) is mounted on the front surface of the assembly box (15), and the screen of the touch screen (13) is displayed on the outer side of the assembly box (15).
3. The automatic relay verification device according to claim 1, wherein: the back of the assembly box (15) is provided with a socket (151), a main switch (152), a device power interface (153) and a USB interface (154), the main switch (152) is used for controlling the connection and disconnection of the circuit of the whole device, the device power interface (153) is used for connecting an external power line, and the USB interface (154) is used for plugging the mobile storage device (3).
4. The automatic relay verification device according to claim 1, wherein: the mobile storage device (3) can be connected with the touch screen (13) through the USB interface (154), and test data can be copied to the mobile storage device (3) by inputting corresponding instructions to the touch screen (13).
5. The automatic relay verification device according to claim 1, wherein: the socket (151) that inserts of arranging with the socket (151) looks adaptation in the equipment case (15) outside is provided with on relay base integrated board (2) one side, inserts respectively two through arranging plug wire (155) both ends and inserts socket (151) with automatic check-up host computer (1) and relay base integrated board (2) electric connection.
6. The automatic relay verification device according to claim 1, wherein: the relay base integrated board (2) comprises a plurality of relay bases (21) of different models so as to adapt to the calibration of the relays (4) of different models.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121757705.XU CN215867072U (en) | 2021-07-30 | 2021-07-30 | Automatic checking device for relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121757705.XU CN215867072U (en) | 2021-07-30 | 2021-07-30 | Automatic checking device for relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215867072U true CN215867072U (en) | 2022-02-18 |
Family
ID=80328745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121757705.XU Active CN215867072U (en) | 2021-07-30 | 2021-07-30 | Automatic checking device for relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215867072U (en) |
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2021
- 2021-07-30 CN CN202121757705.XU patent/CN215867072U/en active Active
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