CN113466562A - Relay resistance value pre-testing system - Google Patents
Relay resistance value pre-testing system Download PDFInfo
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- CN113466562A CN113466562A CN202110843494.XA CN202110843494A CN113466562A CN 113466562 A CN113466562 A CN 113466562A CN 202110843494 A CN202110843494 A CN 202110843494A CN 113466562 A CN113466562 A CN 113466562A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
Abstract
The application relates to a relay resistance value test system in advance belongs to test equipment's field, and it includes the box, and the box is provided with place the platform, is provided with in the place the platform and places the board, still is provided with: the power supply module is used for providing working voltage; the trigger module is connected with the power supply module and used for outputting trigger information; the pre-detection module is connected with the trigger module, receives the trigger information, outputs alarm information when the relay connection is unstable, and otherwise outputs resistance value trigger information; and the warning module is connected with the pre-detection module and used for receiving warning information and giving a warning. The method and the device have the effect of reducing the measurement error.
Description
Technical Field
The application relates to the field of test equipment, in particular to a relay resistance value pre-test system.
Background
The relay is an electric appliance which makes the controlled quantity generate a predetermined step change in an electric output circuit when the change of the input quantity meets the specified requirement, has an interactive relation between a control system and the controlled system, is usually applied to an automatic control circuit, and plays the roles of automatic regulation, safety protection, switching circuit and the like in the circuit.
The relay production needs carry out the product test after dispatching from the factory, and the resistance of relay is one of the important parameter that tests the relay, when testing the resistance of relay, inserts test circuit with the relay earlier usually, later adds rated voltage at the relay both ends to detect the electric current that the relay passes through, later obtain the resistance of relay through ohm's law.
The above prior art solutions have the following drawbacks: when the resistance value of the relay is detected, the relay is possibly connected with a test circuit unstably, the resistance value of the relay is detected at the moment, and the detection error is large.
Disclosure of Invention
In order to reduce detection errors in advance, the application provides a relay resistance value pre-testing system.
The application provides a relay resistance test system in advance adopts following technical scheme:
the utility model provides a relay resistance is test system in advance, includes the box, and the box is provided with place the platform, is provided with among the place the platform and places the board, still is provided with:
the power supply module is used for providing working voltage;
the trigger module is connected with the power supply module and used for outputting trigger information;
the pre-detection module is connected with the trigger module, receives the trigger information, outputs alarm information when the relay connection is unstable, and otherwise outputs resistance value trigger information;
and the warning module is connected with the pre-detection module and used for receiving warning information and giving a warning.
Through adopting above-mentioned technical scheme, be provided with place the platform on the box, be provided with in the place the board, power module is used for providing operating voltage, trigger module connects in power module, when the staff need use the box, trigger information is exported through trigger module, detection module connects in trigger module in advance, receive trigger information, when the relay that is arranged in the box and tests is unstable at the circuit connection who is connected with the box, detection module exports alarm information in advance, alarm module connects in detection module in advance, alarm module receives alarm information and reports an emergency and asks for help or increased vigilance, can remind the staff to adjust the relay when the relay is unstable with the detection circuitry of box in the testing process, the condition of still testing when having reduced the relay unstable connection, thereby measuring error has been reduced.
Optionally, the pre-detection module includes,
the weight detection module is connected with the trigger module, receives the trigger information, detects the object on the placing plate and outputs weight detection information;
the weight comparison module is connected with the weight detection module, receives the weight detection information and compares the weight detection information with preset weight reference information, when the value of the weight detection information is smaller than that of the weight reference information, weight alarm information is output, and otherwise, on-off trigger information is output;
the warning module comprises a weight warning module, the weight warning module is connected to the weight comparison module, receives weight warning information and gives a warning.
By adopting the technical scheme, the weight detection module is connected to the trigger module, receives the trigger information, detects the object on the placing plate, converts the detected weight of the object into an electric signal and outputs weight detection information; weight comparison module connects in weight detection module, weight comparison module has preset weight reference information, weight comparison module receives weight detection information and compares the value of weight detection information with weight reference information, when the value of weight detection information is less than the value of weight reference information, show that place this moment and do not place the relay that waits to detect on the board, need not to carry out the circular telegram and detect this moment, weight comparison module output weight warning information, weight warning module receives weight warning information and reports an emergency and asks for help or increased vigilance, remind the staff to place the relay.
Optionally, the pre-detection module further comprises,
the on-off detection module is connected with the weight comparison module, receives on-off trigger information and energizes the relay placed on the placing plate, and outputs off-circuit alarm information if energization fails and outputs resistance value trigger information if energization succeeds;
the warning module includes the warning module that opens circuit, and the warning module that opens circuit links to break-make detection module, receives the warning information that opens circuit and reports an emergency and asks for help or increased vigilance.
Through adopting above-mentioned technical scheme, the break-make detection module is connected in the weight comparison module, when the value of weight detected information is greater than the value of weight benchmark information, prove to place the relay on the board this moment, weight comparison module output break-make trigger information this moment, break-make detection module receives break-make trigger information and switches on to placing the relay on the board, if the circular telegram fails then output alarm information that opens circuit, the warning module that opens circuit is connected in break-make detection module, the warning module that opens circuit receives alarm information and reports an emergency and asks for help or increased vigilance, remind this relay inside to be the short circuit damage state of staff, need not to test voluntarily, thereby convenience in use has been improved.
Optionally, the system further comprises a controller,
the resistance value detection module is used for receiving the resistance value trigger information, detecting the resistance value of the relay and outputting detection result information;
the result storage module is connected with the resistance value detection module, receives the detection result information and stores the value of the detection result information;
and the resistance value processing module is connected with the result storage module, receives the detection result information for multiple times and acquires average resistance value result information.
By adopting the technical scheme, the resistance value detection module receives the resistance value trigger information and detects the resistance value of the relay, the relay is electrified during detection, the resistance value of the relay is obtained through ohm's law, and detection result information is generated; the result storage module is connected in resistance detection module, receive the testing result information and save the value of testing result information, resistance processing module connects in result storage module, result storage module connects in resistance processing module, save the testing result information, resistance processing module connects in result storage module, resistance processing module receives the testing result information many times and generates average resistance result information, detect the relay many times, be favorable to carrying out comparatively accurate detection to the resistance of relay, the detection precision has been improved.
Optionally, the method for acquiring the average resistance result information by the resistance processing module includes:
setting detection frequency information;
receiving resistance value trigger information, carrying out multiple times of resistance value detection according to the value of the detection time information and outputting multiple pieces of detection result information;
and obtaining average resistance value result information according to the plurality of pieces of detection result information and the detection times information.
By adopting the technical scheme, when the average resistance value result information is obtained, the detection time information is firstly preset, the value of the detection time information is used for indicating the detection time of the system for detecting the same relay, and when one relay is detected, the detection error can be reduced by detecting for many times. And then the resistance value processing module receives the resistance value triggering information, processes the relay for corresponding times according to the value of the preset detection time information, and outputs a plurality of detection result information. And finally, calculating the detection result information according to the values of the plurality of detection result information and the values of the detection frequency information to obtain average resistance value result information, so that the error of the detection result is reduced when the relay is detected by a worker, and the detection accuracy is improved.
Optionally, the resistance value processing module is further configured to:
presetting resistance value range information;
comparing whether the value of the average resistance value result information is within the range of the resistance value range information;
if not, outputting defective product prompt information.
By adopting the technical scheme, the resistance range information is preset, if the measured resistance of the relay is within the preset resistance range, the relay can be judged to be a qualified product, if the value of the average resistance result information is out of the range of the resistance range information, the resistance of the relay is shown to exceed the numerical range of the qualified product, the normal use performance of the relay is influenced by the excessively large or excessively low resistance, and at the moment, the resistance processing module outputs substandard product prompt information to perform next action.
Optionally, the system further includes a defective product prompting module connected to the resistance value processing module, and configured to receive defective product prompting information and prompt the defective product prompting information.
Through adopting above-mentioned technical scheme, substandard product suggestion module is connected in resistance processing module, receives substandard product suggestion information and carries out the suggestion, when the system detected that the average resistance result information of relay is located outside the resistance range information, then can send the suggestion to the staff, and this relay resistance of suggestion staff is off-specification, and the staff of being convenient for maintains this relay.
Optionally, the placing platform is provided with a placing groove for placing the relay to be tested, the placing plate is arranged in the placing groove, a pushing part is arranged in the placing platform, the fixed end of the pushing part is connected to the placing platform, the driving end of the pushing part is connected to the placing plate, the pushing part is provided with a receiving module, the receiving module is connected to the resistance value processing module, and is used for receiving the defective item prompt information and performing actions.
Through adopting above-mentioned technical scheme, the relay is placed in the standing groove that the placing platform was seted up, placing platform is provided with the impeller, the stiff end that the impeller pair is connected in placing platform, the drive end of impeller is connected in placing the board, the impeller still is provided with receiving module, when resistance processing module output substandard product prompt message, receiving module receives substandard product prompt message and drives the impeller and moves, the impeller promotes to place the board and removes, it does not accord with normal predetermined scope to show the resistance of this relay, the staff of being convenient for handles, convenience in use has been improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the power supply module, the trigger module, the pre-detection module and the alarm module, when the relay is connected with the detection system unstably, the alarm module gives an alarm, so that the situation that the relay is still tested when the relay is connected unstably is reduced, and the measurement error is reduced;
2. the pre-detection module is set as the weight detection module, the weight comparison module and the weight warning module, so that warning is given when no relay is placed, and the use convenience is improved;
3. through setting up resistance processing module, carry out the average value to a plurality of testing results, be convenient for reduce the error in the measurement.
Drawings
Fig. 1 is a schematic view of the overall structure of the present application.
Fig. 2 is a schematic view of the case of the present application.
Fig. 3 is a schematic sectional structure of the case of the present application.
Description of reference numerals: 1. a power supply module; 2. a triggering module; 3. a pre-detection module; 31. a weight detection module; 32. a weight comparison module; 33. an on-off detection module; 4. an alarm module; 41. a weight warning module; 42. an open circuit warning module; 5. a resistance value detection module; 6. a result storage module; 7. a resistance value processing module; 8. a box body; 81. placing a platform; 82. a placement groove; 83. placing the plate; 9. a pusher member; 91. and a receiving module.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses a system for testing the resistance value of a relay in advance. Referring to fig. 1, a system for testing the resistance of a relay in advance comprises a power supply module 1, a trigger module 2, a pre-detection module 3 and an alarm module 4, wherein the power supply module is used for providing working voltage. Trigger module 2 connects in power module 1, and detection module 3 connects in trigger module 2 in advance, receives the trigger information of trigger module 2 output and detects the connection stability of relay, and output alarm information when the relay is connected unstably, and alarm module 4 connects in detection module 3 in advance, receives alarm information and reports an emergency and asks for help or increased vigilance, reminds this relay of staff to connect unstably, reduces because of connecting the measuring error that the unstability leads to, has improved the measurement accuracy nature of data.
Referring to fig. 2, the testing system further includes a box 8, and a placement platform 81 is disposed in the box 8. Referring to fig. 1, the power supply module 1 may adopt a power supply device that can provide a normal test voltage, such as a commercial power, a storage battery, a dry battery, and a power supply. The trigger module 2 is connected to the power supply module 1, and the trigger module 2 may include an input device or an intelligent device capable of performing external input, such as a trigger switch, a keyboard, a mouse, and the like.
Referring to fig. 1, the preliminary detection module 3 includes a weight detection module 31, a weight comparison module 32, and an on-off detection module 33. The weight detection module 31 is connected to the trigger module 2 and the power supply module 1, and the power supply module 1 supplies power to the weight detection module 31. The weight detection module 31 is disposed in the placement platform 81, and the weight detection module 31 may be a weight detector or other devices, modules, etc. capable of detecting weight. The weight detection module 31 receives the trigger information output by the trigger module 2, and when receiving the trigger information, the weight detection module 31 performs weight detection, and generates a detection result as a weight detection signal to output. The weight comparison module 32 may adopt a comparator, the weight comparison module 32 is connected to the weight detection module 31, the weight comparison module 32 is connected to a signal source for inputting the reference value VREF1, and another input end of the weight comparison module 32 is connected to an output end of the weight detection module 31. Weight comparison module 32 compares weight detection signal and benchmark value, when weight detection signal is greater than the benchmark value, then says that the article have been placed on place the platform 81 this moment, and weight comparison module 32 output break-make trigger information this moment, is convenient for carry out preliminary examination on next step, and when the value of weight detection signal was less than the benchmark value, the article of placing on place the platform 81 this moment was less than the weight of relay itself, output weight alarm information this moment.
Referring to fig. 1, the warning module 4 includes a weight warning module 41, the weight warning module 41 may be an audible and visual alarm, a display screen, or other devices capable of playing a warning role, the weight warning module 41 is connected to the weight comparing module 32, receives weight warning information and gives a warning, and reminds a worker that the placement platform 81 is not placed with a relay at the time, and the relay to be detected needs to be placed on the placement platform 81 and connected.
Referring to fig. 1, the on-off detection module 33 is connected to the weight comparison module 32, the on-off detection module 33 may be an on-off detector or other devices capable of detecting the on-off condition of the instrument, the alarm module 4 further includes an open-circuit warning module 42, and the open-circuit warning module 42 may be an audible and visual alarm, a display screen or other devices capable of playing a role in reminding. The on-off detection module 33 detects the stability of circuit connection between the relay and the system, when the connection relation between the relay and the measurement system is unstable, the on-off detection module 33 outputs open circuit warning information, and the open circuit warning module 42 receives the open circuit warning information and carries out open circuit reminding, so that a worker can know that the connection between the relay and the test system is unstable before detection, the probability of detection under the condition of unstable connection is reduced, and the probability of detection errors of detection data is reduced. When the connection is stable, the on-off detection module 33 outputs resistance value trigger information.
Referring to fig. 1, the system further includes a resistance value detection module 5, the resistance value detection module 5 detects the resistance value of the relay by using ohm's law, the resistance value detection module 5 is connected to the on-off detection module 33, and when the connection between the relay and the test system is correct, the on-off detection module 33 outputs resistance value trigger information. The resistance detection module 5 receives the resistance trigger information and detects the relay through ohm's law, the resistance detection module 5 applies fixed voltage to the relay, and the resistance detection module 5 calculates the resistance of the relay according to the ohm's law according to the value of the fixed voltage and the detected current value, so that detection result information is obtained.
Referring to fig. 1, the system is further provided with a result storage module 6, where the result storage module 6 may be a storage end with a storage function, such as a local hard disk or a cloud end; and the result storage module 6 is connected to the resistance value detection module 5, receives the detection result information and stores the detection result information.
Referring to fig. 1, when the resistance value of the relay is detected by using the test system, firstly, the detection frequency information and the preset resistance value range information are input through the resistance value processing module 7, and the input mode may be a plurality of input modes capable of inputting numbers, such as keyboard input, touch screen input, voice input, and the like. The value of the detection frequency information is the detection frequency when the resistance detection module 5 detects the resistance of the relay, and the resistance of the relay needs to be detected for many times, so that the error of a single detection result is reduced. After the multiple detections on one relay are finished, the resistance value processing module 7 acquires multiple pieces of detection result information in the result storage module 6, and averages the values of the multiple pieces of detection result information according to the input values of the detection time information, so as to obtain average resistance value result information of the relay, perform multiple detections on the same relay, and acquire the detection average value, thereby reducing the measurement error caused by single measurement.
Referring to fig. 1, before the resistance processing module 7 is used, input resistance range information may be preset by means of keyboard input, touch screen input, or voice input. The value of the resistance value range information is the resistance value range which can be normally used by the relay to be detected. When the average resistance result information is obtained, the resistance processing module 7 compares the average resistance information with the resistance range information. Still be provided with substandard product suggestion module, substandard product suggestion module is connected in resistance processing module 7, and substandard product suggestion module can be for other equipment that can play the warning effect such as audible-visual annunciator, display screen. When the average resistance value result information is outside the resistance value range information, the resistance value of the relay does not reach the standard, the relay is judged to be defective by the test system, the resistance value processing module 7 outputs defective prompting information, and the defective prompting module receives and prompts the defective prompting information, so that a worker can know that the resistance value of the relay does not reach the standard conveniently.
Referring to fig. 2 and 3, a placing groove 82 is formed in the upper surface of the placing platform 81, a placing plate 83 is arranged in the placing groove 82, and the placing plate 83 is connected with the placing platform 81 in a sliding manner. When testing the relay, the relay is placed on the placing plate 83, the placing groove 82 is clamped with the relay, and then the relay is connected with the testing system in the box body 8. The pushing part 9 is arranged below the placing plate 83, the pushing part 9 of the embodiment is an electric push rod, one end of the electric push rod is fixedly connected with the placing platform 81, a piston rod of the electric push rod is fixedly connected with the placing plate 83, and the extending direction of the electric push rod is perpendicular to the upper surface of the placing plate 83. Electric putter is provided with receiving module 91, and receiving module 91 and resistance processing module 7 wired connection, and when resistance processing module 7 output substandard product prompt message, receiving module 91 received substandard product prompt message, and control electric putter moves, and electric putter promotes and places board 83 and remove, will place the relay that places on placing board 83 and promote to the standing groove 82 outside, and the staff of being convenient for dismantles this relay.
The implementation principle of the relay resistance value pre-testing system in the embodiment of the application is as follows: when the resistance value of the relay needs to be detected, the relay is firstly placed on the placing plate 83, then resistance value range information and detection frequency information are set through the resistance value processing module 7, then trigger information is input through the trigger module 2, the weight of an article on the placing plate 83 is detected by the weight detection module 31, when the relay is not placed, weight alarm information is output by the weight comparison module 32, and an alarm is given by the weight alarm module 41. When detecting that the relay is placed, the weight comparison module 32 outputs on-off trigger information, the on-off detection module 33 detects the connection stability between the relay and the test system, and when the detection is passed, the resistance detection module 5 detects the resistance of the relay according to preset detection frequency information and stores the detection result information in the result storage module 6. And then the resistance value processing module 7 obtains average resistance value result information according to the detection frequency information and the detection result information, compares the average resistance value result information with the resistance value range information, outputs substandard product prompt information if the average resistance value result information is out of the resistance value range information, sends a prompt by the substandard product prompt module, and pushes the placing plate 83 to move by the pushing piece 9, so that a worker can disassemble the relay conveniently.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A relay resistance value pre-testing system is characterized in that: including box (8), box (8) are provided with place platform (81), are provided with in place platform (81) and place board (83), still are provided with:
the power supply module (1) is used for providing working voltage;
the trigger module (2) is connected to the power supply module (1) and used for outputting trigger information;
the pre-detection module (3) is connected with the trigger module (2) and used for receiving the trigger information, outputting alarm information when the relay connection is unstable, and otherwise outputting resistance value trigger information;
and the warning module (4) is connected with the pre-detection module (3) and used for receiving warning information and giving a warning.
2. A relay resistance value pretest system according to claim 1, wherein: the pre-detection module (3) comprises,
the weight detection module (31) is connected with the trigger module (2), receives the trigger information, detects the articles on the placing plate (83), and outputs the weight detection information;
the weight comparison module (32) is connected with the weight detection module (31), receives the weight detection information and compares the weight detection information with preset weight reference information, when the value of the weight detection information is smaller than that of the weight reference information, weight alarm information is output, otherwise, on-off trigger information is output;
the warning module (4) comprises a weight warning module (41), wherein the weight warning module (41) is connected to the weight comparison module (32) and is used for receiving weight warning information and giving a warning.
3. A relay resistance value preliminary testing system according to claim 2, characterized in that: the pre-detection module (3) further comprises,
the on-off detection module (33) is connected to the weight comparison module (32), receives on-off trigger information and powers on a relay placed on the placing plate (83), outputs open-circuit alarm information if power fails, and outputs resistance value trigger information if power succeeds;
the alarm module (4) comprises a disconnection alarm module (42), the disconnection alarm module (42) is connected with the disconnection detection module (33), receives disconnection alarm information and gives an alarm.
4. A relay resistance value pretest system according to claim 1, wherein: the system further comprises a control unit for controlling the operation of the motor,
the resistance value detection module (5) receives the resistance value trigger information to detect the resistance value of the relay and outputs detection result information;
the result storage module (6) is connected with the resistance value detection module (5) and used for receiving the detection result information and storing the value of the detection result information;
and the resistance value processing module (7) is connected with the result storage module (6) and is used for receiving the detection result information for multiple times and acquiring average resistance value result information.
5. The relay resistance value pretest system of claim 4, wherein: the method for acquiring the average resistance result information by the resistance processing module (7) comprises the following steps:
setting detection frequency information;
receiving resistance value trigger information, carrying out multiple times of resistance value detection according to the value of the detection time information and outputting multiple pieces of detection result information;
and obtaining average resistance value result information according to the plurality of pieces of detection result information and the detection times information.
6. The relay resistance value pretest system of claim 4, wherein: the resistance value processing module (7) is further configured to:
presetting resistance value range information;
comparing whether the value of the average resistance value result information is within the range of the resistance value range information;
if not, outputting defective product prompt information.
7. The relay resistance value pretest system of claim 6, wherein: the system also comprises a defective product prompting module which is connected to the resistance value processing module (7) and used for receiving and prompting defective product prompting information.
8. A relay resistance value pretest system according to claim 1, wherein: the testing device is characterized in that a placing groove (82) used for placing a relay to be tested is formed in the placing platform (81), a placing plate (83) is arranged in the placing groove (82), a pushing piece (9) is arranged in the placing platform (81), the fixed end of the pushing piece (9) is connected to the placing platform (81), the driving end of the pushing piece (9) is connected to the placing plate (83), a receiving module (91) is arranged on the pushing piece (9), the receiving module (91) is connected to the resistance value processing module (7), and defective product prompt information is received and action is carried out.
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