CN112748333A - Relay action characteristic rapid testing device - Google Patents
Relay action characteristic rapid testing device Download PDFInfo
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- CN112748333A CN112748333A CN202011558068.3A CN202011558068A CN112748333A CN 112748333 A CN112748333 A CN 112748333A CN 202011558068 A CN202011558068 A CN 202011558068A CN 112748333 A CN112748333 A CN 112748333A
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- 238000012360 testing method Methods 0.000 title claims abstract description 91
- 230000009471 action Effects 0.000 title claims abstract description 33
- 230000005611 electricity Effects 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention discloses a rapid testing device for relay action characteristics, which comprises a device body, wherein a touch display screen, a digital display multifunctional instrument and a testing interface are embedded in the upper surface of the device body, a control unit, a data acquisition and processing unit, a pressure regulating device and a timer are arranged in the device body, the pressure regulating device and the data acquisition and processing unit are electrically connected with the testing interface, the testing interface is electrically connected with a relay to be tested through a testing wire, a first testing button, a second testing button and a third testing button are arranged on the touch display screen, and the control unit is electrically connected with the touch display screen, the digital display multifunctional instrument, the data acquisition and processing unit, the pressure regulating device and the timer respectively. The relay safety performance testing device can conveniently and rapidly test multiple action characteristics of the relay, and is convenient for effectively evaluating the safety performance of the relay.
Description
Technical Field
The invention relates to the technical field of relay characteristic testing, in particular to a device for quickly testing the action characteristic of a relay.
Background
A relay is an electric control device that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount (excitation amount) meets a predetermined requirement. It has an interactive relationship between a control system (also called an input loop) and a controlled system (also called an output loop). It is commonly used in automated control circuits, which are actually a "recloser" that uses low current to control high current operation. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.
The quality of the relay directly determines the service life and stability of the electronic product, and therefore performance detection and safety detection are required to be performed on the relay. However, the existing relay testing device has some defects in the use process, the testing function is single, only the relay contact can be tested whether to be normally attracted and released during testing, the action characteristics of attraction voltage, disconnection voltage, attraction time, disconnection time and the like in the contact attraction and release process cannot be judged, the safety performance of the relay cannot be effectively and comprehensively evaluated, and meanwhile, the testing parameters cannot be adjusted in the testing process, so that the testing efficiency is influenced.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a device for rapidly testing the action characteristics of a relay, which can conveniently and rapidly test multiple action characteristics of the relay and is convenient for effectively evaluating the safety performance of the relay.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides a quick testing arrangement of relay action characteristic, includes the device body, the upper surface of device body inlays and is equipped with touch-control display screen, digital display multifunctional instrument and test interface, inside the device body is equipped with the control unit, data acquisition and processing unit, regulator and time-recorder, regulator, data acquisition and processing unit all with the test interface electricity is connected, the test interface passes through the test line and is connected with the relay electricity that awaits measuring, be equipped with first test button, second test button, third test button on the touch-control display screen, the control unit respectively with touch-control display screen, digital display multifunctional instrument, data acquisition and processing unit, regulator and time-recorder electricity are connected, control unit, touch-control display screen, digital display multifunctional instrument, data acquisition and processing unit, regulator and time-recorder are supplied power by external power source, the relay to be tested is powered by the device body.
Preferably, the test wire includes aviation plug and a plurality of connecting wire, aviation plug and test interface match and link to each other, and is a plurality of connecting wire one end all with aviation plug electricity is connected, and the other end connect respectively in the coil positive pole, the coil negative pole, common contact and the normally open contact of the relay that awaits measuring.
Preferably, an initial voltage setting unit and an action voltage setting unit are further arranged on the touch display screen, and the initial voltage setting unit and the action voltage setting unit are electrically connected with the control unit through the touch display screen.
Preferably, the device further comprises an action alarm time setting unit and an alarm device, wherein the action alarm time setting unit is arranged on the touch display screen and is electrically connected with the control unit through the touch display screen, the alarm device is arranged on the device body, and the alarm device is electrically connected with the control unit.
Preferably, the portable box type solar energy collecting device further comprises a box type shell, the box type shell is formed by hinging two box covers, the device body is embedded in the box type shell, and a lifting handle is arranged on the box type shell.
Preferably, the upper surface of the device body is provided with a storage groove, and the storage groove is provided with a plurality of elastic bandages.
Preferably, an alternating current socket is arranged on the box-type shell, a power control switch is embedded on the upper surface of the device body, the control unit is electrically connected with the alternating current socket and the power control switch, and the alternating current socket is electrically connected with an external power supply through a power line.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a rapid testing device for the action characteristics of a relay, wherein a control unit regulates the voltage output to a relay to be tested through a pressure regulating device, when a first testing button is pressed, the voltage applied to the relay to be tested rises firstly and then falls, so that whether a contact is normally attracted and disconnected is judged, and the attraction voltage and the disconnection voltage are obtained through a data acquisition and processing unit and are displayed in a touch display screen; when a second test button is pressed, the voltage applied to the relay to be tested rises firstly and then falls, and the pull-in time and the break-off time are obtained through a timer and displayed in the touch display screen; when the third test button is pressed, the data acquisition and processing unit acquires the voltage, the current, the power and the electric quantity of the relay to be tested and displays the voltage, the current, the power and the electric quantity in the digital display multifunctional instrument in real time; the device can acquire a plurality of data required by test requirements, has more complete functions than the existing testing device, is more beneficial to comprehensively evaluating the safety performance of the relay to be tested, has the advantages of attractive appearance, reliable performance, simple and convenient operation, complete functions and the like, and is an ideal device for checking the relay protection device.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only preferred embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic diagram of the overall structure of the testing device of the present invention;
FIG. 2 is a schematic side view of the testing device of the present invention;
FIG. 3 is a schematic diagram of the connection of the test line of the present invention and the relay under test;
FIG. 4 is a schematic diagram of another connection between the test line and the relay under test according to the present invention;
FIG. 5 is a schematic view of a touch screen interface according to the present invention;
FIG. 6 is an overall circuit schematic of the present invention;
in the attached drawing, 1-a device body, 2-a touch display screen, 3-a digital display multifunctional instrument, 4-a test interface, 5-a control unit, 6-a data acquisition and processing unit, 7-a voltage regulation device, 8-a timer, 9-a test line, 10-a relay to be tested, 11-a first test button, 12-a second test button, 13-a third test button, 14-an aviation plug, 15-a connecting wire, 16-an initial voltage setting unit, 17-an action voltage setting unit, 18-an action alarm time setting unit, 19-an alarm device, 20-a box type shell, 21-a storage groove, 22-an elastic bandage, 23-an alternating current socket and 24-a power supply control switch.
Detailed Description
For a better understanding of the technical content of the present invention, the following specific embodiments are provided, and the present invention is further described with reference to the accompanying drawings:
referring to fig. 1-6, a quick testing arrangement of relay action characteristic, includes device body 1, touch display screen 2, digital display multifunctional instrument 3 and test interface 4 are inlayed to the upper surface of device body 1, inside the being equipped with the control unit 5, data acquisition and processing unit 6, regulator 7 and the time-recorder 8 of device body 1, regulator 7, data acquisition and processing unit 7 all with test interface 4 electricity is connected, test interface 4 is connected with the relay 10 electricity that awaits measuring through test line 9, be equipped with first test button 11, second test button 12, third test button 13 on the touch display screen 2, the control unit 5 respectively with touch display screen 2, digital display multifunctional instrument 3, data acquisition and processing unit 6, regulator 7 and time-recorder 8 electricity are connected, the control unit 5, data acquisition and processing unit 6, voltage regulator 7 and time-recorder 8 electricity are connected, the control unit 5, Touch-control display screen 2, digital display multifunctional instrument 3, data acquisition and processing unit 6, voltage regulator 7 and time-recorder 8 are supplied power by external power source, the relay 10 that awaits measuring by the device body 1 supplies power.
When in use, the device body 1 is connected with the relay 10 to be tested through the test wire 9, and the device body 1 provides working voltage for the relay 10 to be tested;
when the pull-in voltage and the break-out voltage of the contact of the relay 10 to be tested need to be tested, a tester presses the first test button 11, the device body 1 starts to supply power to the relay 10 to be tested, the output voltage is continuously increased through the voltage regulating device 7, when the output voltage reaches the pull-in voltage of the contact, the contact is pulled in, the voltage when the contact is pulled in is obtained through the data acquisition and processing unit 6, and the voltage is transmitted to the touch display screen 2 through the control unit 5 to be displayed; then, the voltage regulating device 7 is controlled to reduce the output voltage, when the output voltage is reduced to the disconnection voltage to be detected, the contact is disconnected, the voltage when the contact is disconnected is obtained through the data acquisition and processing unit 6, and the voltage is transmitted to the touch display screen 2 through the control unit 5 to be displayed; by the method, whether the relay 10 to be tested can be normally attracted and disconnected can be intuitively known, and attraction voltage and disconnection voltage of the relay 10 to be tested can be obtained.
When the contact actuation time and the disconnection time of the relay 10 to be tested need to be tested, a tester presses the second test button 12, the output voltage is enabled to be higher than the action voltage of the relay 10 to be tested through the pressure regulating device 7, the contact is actuated, the actuation time is obtained through the timer 8, and the actuation time is transmitted to the touch display screen 2 through the control unit 5 to be displayed; the output voltage is lower than the action voltage of the relay 10 to be tested through the voltage regulating device 7, so that the contact is disconnected, the disconnection time is obtained through the timer 8, and the disconnection time is transmitted to the touch display screen 2 through the control unit 5 to be displayed; the rise timer 8 uses a precise timing standard (1 millisecond) and a counter as long as 999 seconds, and can be independently used as a precise millisecond meter to replace a traditional stopwatch.
When the real-time voltage, current, power and electric quantity of the coil of the relay 10 to be tested need to be tested, a tester adjusts the connection mode of the test wire 9 and the relay 10 to be tested, presses the third test button 13, the data acquisition and processing unit 6 acquires the relevant information of the coil of the relay 10 to be tested, transmits the information to the digital display multifunctional instrument 3, and the digital display multifunctional instrument 3 displays the voltage, the current, the power and the electric quantity of the coil of the relay 10 to be tested in real time.
The device can acquire a plurality of data required by test requirements, has more complete functions than the existing testing device, is more beneficial to comprehensively evaluating the safety performance of the relay 10 to be tested, has the advantages of attractive appearance, reliable performance, simple and convenient operation, complete functions and the like, and is an ideal device for checking the relay protection device.
Specifically, the test line 9 includes an aviation plug 14 and a plurality of connecting wire 15, the aviation plug 14 matches with the test interface 4 and links to each other, and is a plurality of 15 one end of connecting wire all with aviation plug 14 electricity is connected, and the other end connect respectively in the coil positive pole, the coil negative pole, common contact and the normally open contact of the relay 10 that awaits measuring, specifically as shown in fig. 3. The device body 1 supplies power to the relay 10 to be tested through the test wire 9, and obtains relevant information such as contact attraction, disconnection and the like of the relay 10 to be tested through the test wire 9. It should be noted that, when the relay 10 to be tested is connected, the coil wiring needs to distinguish the positive and negative connections according to the marks. In addition, when the real-time voltage, current, power and electric quantity of the coil of the relay 10 to be tested are tested, the connecting wires need to be disconnected from the common contact and the normally open contact, as shown in fig. 4.
Specifically, as shown in fig. 5, an initial voltage setting unit 16 and an operation voltage setting unit 17 are further disposed on the touch display screen 2, and the initial voltage setting unit 16 and the operation voltage setting unit 17 are electrically connected to the control unit 5 through the touch display screen 2. The initial output voltage during the start test is set by the initial voltage setting unit 16, and can be set automatically according to the relay parameters provided by manufacturers or the field test requirements, and the set voltage value is smaller than the pull-in voltage value of the relay 10 to be tested. When the pull-in voltage and the break-out voltage of the contact of the relay 10 to be tested are tested, the voltage regulating device 7 regulates the rising voltage on the basis of the initial voltage, so that the time consumption of the boosting process is reduced, and the testing efficiency is improved; the action voltage is set by the action voltage setting unit 17, the action voltage can be set by a user according to relay parameters provided by a manufacturer or field test requirements, and the action voltage is larger than or equal to the normal action voltage of the relay 10 to be tested, so that when the pull-in time and the break-off time of the contact of the relay 10 to be tested are tested, the control unit 5 controls the voltage regulating device 7 according to the set action voltage, the output voltage is directly the action voltage, the contact is directly pulled in, the time consumption of the boosting process is reduced, and the test efficiency is improved.
Furthermore, the output voltage value of the device body can be displayed on the touch display screen 2 in real time, so that testers can visually know the change process of the output voltage.
Specifically, the device further comprises an action alarm time setting unit 18 and an alarm device 19, wherein the action alarm time setting unit 18 is arranged on the touch display screen 2 and is electrically connected with the control unit 5 through the touch display screen 2, the alarm device 19 is arranged on the device body 1, and the alarm device 19 is electrically connected with the control unit 5. The action alarm time setting unit 18 sets threshold values of contact pull-in time and disconnection time, and if the actually measured contact pull-in time and the actually measured contact disconnection time are larger than the preset threshold values, the control unit 5 controls the alarm device 19 to give an alarm to warn a tester of the performance problem of the relay to be tested. Wherein alarm device 19 is including pilot lamp and buzzer siren, and the relay that the detection personnel of being convenient for can in time discover to be bad compares in the single light indication of tradition, and is more convenient.
Specifically, still include box shell 20, box shell 20 is articulated mutually by two case lids and forms, device body 1 is embedded in box shell 20, be equipped with the handle on the box shell 20. The apparatus body 1 is protected by the box-type case 20 while being convenient to carry and store.
Specifically, the upper surface of the device body 1 is provided with a storage groove 21, and the storage groove 21 is provided with a plurality of elastic bandages 22. The test that awaits measuring finishes, will test line 9 and power cord are folding to be arranged in storage tank 21 to utilize the elastic bandage to fix, conveniently deposit and carry, avoid losing, influence next test goes on.
Specifically, an alternating current socket 23 is arranged on the box-type shell 20, a power control switch 24 is embedded on the upper surface of the device body 1, the control unit 1 is electrically connected with the alternating current socket 23 and the power control switch 24, and the alternating current socket 23 is electrically connected with an external power supply through a power line. Through the power cord, reliably connect device body 1 and 220VAC 10%, 50Hz external power supply, the tester passes through power control switch 24 and independently controls switching on of circuit, provides the electric energy for the normal work of each components and parts in the device body by external power supply.
It should be noted that the connection manner between the components is a connection manner commonly used by those skilled in the art, and is not specifically described in this embodiment.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a quick testing arrangement of relay action characteristic, its characterized in that, includes the device body, the upper surface of device body inlays and is equipped with touch-control display screen, digital display multifunctional instrument and test interface, inside the device body is equipped with the control unit, data acquisition and processing unit, regulator and time-recorder, regulator, data acquisition and processing unit all with test interface electricity is connected, test interface passes through the test line and is connected with the relay electricity that awaits measuring, be equipped with first test button, second test button, third test button on the touch-control display screen, the control unit respectively with touch-control display screen, digital display multifunctional instrument, data acquisition and processing unit, regulator and time-recorder electricity are connected, control unit, touch-control display screen, digital display multifunctional instrument, data acquisition and processing unit, regulator and time-recorder are supplied power by external power source, the relay to be tested is powered by the device body.
2. The device for rapidly testing the operational characteristics of the relay according to claim 1, wherein the test line comprises an aviation plug and a plurality of connecting wires, the aviation plug is connected with the test interface in a matching manner, one end of each of the connecting wires is electrically connected with the aviation plug, and the other end of each of the connecting wires is respectively connected with a coil anode, a coil cathode, a common contact and a normally open contact of the relay to be tested.
3. The device for rapidly testing the operating characteristics of the relay according to claim 1, wherein an initial voltage setting unit and an operating voltage setting unit are further arranged on the touch display screen, and the initial voltage setting unit and the operating voltage setting unit are electrically connected with the control unit through the touch display screen.
4. The device for rapidly testing the action characteristic of the relay according to claim 1, further comprising an action alarm time setting unit and an alarm device, wherein the action alarm time setting unit is arranged on the touch display screen and is electrically connected with the control unit through the touch display screen, the alarm device is arranged on the device body, and the alarm device is electrically connected with the control unit.
5. The cable outlet plugging device for the 10kV switch cabinet according to claim 1, further comprising a box-type housing, wherein the box-type housing is formed by hinging two box covers, the device body is embedded in the box-type housing, and the box-type housing is provided with a handle.
6. The device for rapidly testing the operating characteristics of the relay according to claim 1, wherein a storage groove is formed in the upper surface of the device body, and a plurality of elastic bandages are arranged on the storage groove.
7. The device for rapidly testing the operating characteristics of the relay according to claim 5, wherein an alternating current socket is arranged on the box-type housing, a power control switch is embedded on the upper surface of the device body, the control unit is electrically connected with the alternating current socket and the power control switch, and the alternating current socket is electrically connected with an external power supply through a power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011558068.3A CN112748333A (en) | 2020-12-25 | 2020-12-25 | Relay action characteristic rapid testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011558068.3A CN112748333A (en) | 2020-12-25 | 2020-12-25 | Relay action characteristic rapid testing device |
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| CN112748333A true CN112748333A (en) | 2021-05-04 |
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| CN202011558068.3A Pending CN112748333A (en) | 2020-12-25 | 2020-12-25 | Relay action characteristic rapid testing device |
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| CN104345270A (en) * | 2014-11-23 | 2015-02-11 | 哈尔滨理工大学 | On-line electric switch contact health state monitoring and early warning system |
| CN107741562A (en) * | 2017-10-30 | 2018-02-27 | 辽东学院 | A kind of tester of automotive intelligent starter relay |
| CN108680772A (en) * | 2018-06-11 | 2018-10-19 | 广西电网有限责任公司电力科学研究院 | A kind of high-voltage circuitbreaker second trial interface arrangement and its test method |
| CN110658452A (en) * | 2019-11-16 | 2020-01-07 | 国网宁夏电力有限公司固原供电公司 | Non-electric power relay calibration device |
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2020
- 2020-12-25 CN CN202011558068.3A patent/CN112748333A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1616976A (en) * | 2004-09-20 | 2005-05-18 | 江西洪都航空工业集团有限责任公司 | Automatic detecting system for relay |
| CN101169468A (en) * | 2007-11-27 | 2008-04-30 | 天津市百利电气有限公司 | Board back insertion type circuit breaker characteristic detection and test device |
| CN202676871U (en) * | 2012-06-12 | 2013-01-16 | 长沙博为电气有限公司 | Breaker testing stand |
| CN102736621A (en) * | 2012-07-05 | 2012-10-17 | 中南大学 | Detection system of electrical equipment of urban rail vehicle |
| CN103064020A (en) * | 2013-01-08 | 2013-04-24 | 河北工业大学 | Electromagnetic relay reliability testing device and operation method thereof |
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Application publication date: 20210504 |