CN202815184U - Contact pressure detecting and action testing device for magnetic latching relay - Google Patents
Contact pressure detecting and action testing device for magnetic latching relay Download PDFInfo
- Publication number
- CN202815184U CN202815184U CN 201220529501 CN201220529501U CN202815184U CN 202815184 U CN202815184 U CN 202815184U CN 201220529501 CN201220529501 CN 201220529501 CN 201220529501 U CN201220529501 U CN 201220529501U CN 202815184 U CN202815184 U CN 202815184U
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- China
- Prior art keywords
- latching relay
- magnetic latching
- worktable
- controller
- connection terminal
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Abstract
The utility model provides a contact pressure detecting and action testing device for a magnetic latching relay. The device comprises a workbench, wherein a control box is arranged below the working platform, the control box is internally provided with a power supply and a controller serving as a core control unit, a measuring table and an electrical box are arranged on the workbench, a digital push-pull gauge and a limiting groove are horizontally arranged on the measuring table, and the electrical box is provided with a touch screen, an alarm device and a general switch; the workbench is further provided with a wiring terminal A used for connecting a movable reed and a static reed of the magnetic latching relay, a wiring terminal B used for connecting a coil of the magnetic latching relay, and a pulse switch used for controlling whether to output a pulse signal; and the digital push-pull gauge, the alarm device, the touch screen, the wiring terminal A and the wiring terminal B are electrically connected with the controller. When the device is used for detecting the contact pressure of the magnetic latching relay, the pulse switch is switched off, and the action test of the magnetic latching relay can be conducted by switching on the pulse switch, thereby realizing two functions on one equipment, and improving the detection accuracy and speed greatly.
Description
Technical field
The present invention relates to detect and measuring technology, especially relate to the device that a kind of electric energy meter is used the detection of magnetic latching relay contact force and motion test.
Background technology
At present, in the electric energy meter manufacture process, also there is not a kind of magnetic latching relay contact force of can carrying out to detect device with motion test, especially for the detection of magnetic latching relay contact force.For pressure detection, remove to stir reed with hand, feel its pressure size, so determine whether qualified; Motion test then is to load one group of constant forward and reverse driving voltage, the action situations such as closing, close of eye-observation movable contact spring to the relay drive coil.This pressure detection and motion test method are owing to undertaken by artificial feel and experience, so accuracy is low and consistance is poor, is unfavorable for the control of product quality.
Summary of the invention
The purpose of the utility model:
A kind of magnetic latching relay contact force detection that can address the above problem and the device of motion test are proposed.
For realizing the purpose of the utility model, the utility model provides a kind of magnetic latching relay contact force to detect and the motion test device, it is characterized in that: include worktable, be arranged on the control box of worktable below, be provided with power supply in the control box and as the controller of core control part, be arranged on the test desk of worktable top, the test desk upper horizontal is provided with digital pull and push dynamometer, digital pull and push dynamometer measuring staff front end is provided with adjustable gauge head, also is provided with to limit the stopper slot that magnetic latching relay moves forward and backward on the test desk; Also be provided with to connect the connection terminal A of magnetic latching relay movable contact spring and static contact spring piece on the worktable, and in order to connect the connection terminal B of magnetic latching relay drive coil, described connection terminal A is connected with the signal input part of controller, and pulse switch is connected with the pulse signal output end of controller connection terminal B on the worktable by being arranged on; Be provided with electrical box on the described worktable, also be provided with touch-screen, warning device and master switch on the electrical box; Described digital pull and push dynamometer, warning device, touch-screen all are electrically connected with controller.
The utility model beneficial effect and characteristics compared with prior art:
(1) by adopting digital push-pull effort to take into account disconnection, closure state that single-chip microcomputer detection circuit detects magnetic latching relay movable contact spring and static contact spring piece, overcome traditional approach and adopted the mode of feel to go the uncertainty of judging that disconnection, closure state bring, improved accuracy of detection.
When (2) doing the magnetic latching relay motion test, detect in real time the match condition of disconnection, closure state and the driving pulse of magnetic latching relay movable contact spring and static contact spring piece by single-chip microcomputer detection circuit, accurately whether the operating state of magnetic latching relay is correctly judged, overcome traditional approach and adopted the mode of range estimation to go the uncertainty of judging that disconnection, closure state bring, improved the accuracy of test result.
(3) after the magnetic latching relay contact force detected and finishes, the make pulse switch can be done the magnetic latching relay motion test, realizes the function that equipment is dual-purpose.
(4) improve the insolation level of the crucial mass parameter of enterprise's magnetic latching relay, further guaranteed enterprise's magnetic latching relay quality.
Description of drawings
Fig. 1 is general structure synoptic diagram of the present utility model;
Fig. 2 is the connection block diagram of the utility model circuit part;
Embodiment
As depicted in figs. 1 and 2, a kind of magnetic latching relay contact force detects and the motion test device, include worktable 3, be arranged on the control box 2 of worktable 3 belows, be provided with power supply in the control box 2 and as the controller of core control part, be arranged on the test desk 12 of worktable 3 tops, test desk 12 upper horizontal are provided with digital pull and push dynamometer 10, the measuring staff front end of digital pull and push dynamometer 10 is provided with adjustable gauge head, also be provided with to limit the stopper slot 11 that magnetic latching relay moves forward and backward on the test desk 12, the adjustable gauge head on the digital pull and push dynamometer 10 contacts with the movable contact spring of magnetic latching relay; Also be provided with to connect the connection terminal A 14 of magnetic latching relay movable contact spring and static contact spring piece on the worktable 3, and in order to connect the connection terminal B 15 of magnetic latching relay drive coil, described connection terminal A 14 is connected with the signal input part of controller, connection terminal B 15 is connected with the pulse signal output end of controller, also is provided with in addition the pulse switch 13 of whether exporting in order to control wave on the worktable 3; Be provided with electrical box 9 on the described worktable 3, also be provided with touch-screen 8, warning device and master switch 5 on the electrical box 9; Described digital pull and push dynamometer 10, warning device, touch-screen 8 all are electrically connected with controller.
The four wheels 1 of worktable 3 bottoms is universal wheels of selecting self-locking, mainly for convenient carrying, is covered with the green rubber peel of one deck at the desktop of desk 15, in order to the insulativity of assurance device and the wearing quality of desktop, also makes the sense of arm land comfortable.
Notch cuttype test desk 12 by the digital pull and push dynamometer 10 of digital pull and push dynamometer 10 and location forms device for measuring force, there is one magnetic latching relay played the stopper slot 11 of position-limiting action, the replaceable adjustment of adjustable gauge head of digital pull and push dynamometer 10 at test desk 12.One or four hole connection terminals are arranged below test desk 12, two holes, the left side are connection terminal A 14, are used for judging magnetic latching relay spring leaf open and-shut mode, when contact force detects, if be in off-state, then the numerical value of " pressure survey " frame is a certain numerical value on the touch-screen 8; If be in closure state, then the numerical value of " pressure survey " frame is zero on the touch-screen 8.Two on right side is the connection terminal B 15 that connects the magnetic latching relay coil, and the pulse that drives the magnetic latching relay action is provided during for motion test.
Red led 6, green indicating lamp 7, hummer 4, master switch 5 and touch-screen 8 are installed on the electrical box 9.Red led 6 and green indicating lamp 7 are alarm lamps, are combined into warning device with the hummer 4 that encapsulates in the box 9.When doing contact force detection or motion test, red led 6 is bright, hummer 4 sound, and then tested magnetic latching relay is defective.If ergometry is during greater than the higher limit of digital pull and push dynamometer 10, digital pull and push dynamometer 10 will be reported to the police, and green indicating lamp 7 shows bright state.Master switch 5 is initialize switches of whole device work, closed master switch 5, and device i.e. energising, and touch-screen 8 is bright; Disconnect master switch 5, the device outage, touch-screen 8 is dark.
Touch-screen 8 interfaces in the work comprise show state, password input frame and the key zone of two-way driving voltage value, current pressure measured value, low pressure limit value, recurrence interval, pressure test and motion test.Wherein the show state value of low pressure limit value, recurrence interval, pressure test and motion test and password all can be changed.As: the adjustable extent of low pressure limit value is (100-500) V; The adjustable extent of recurrence interval is (500-5000) ms; The show state value of pressure test and motion test by pulse switch 13 controls during turn-off pulse switch 13 is " pressure test "; Be " motion test " that behind the measurement electric shock pressure, the numerical value that " pressure survey " frame on the touch-screen 8 shows is the size of current magnetic latching relay contact force during make pulse switch 13.
This magnetic latching relay contact force detects and the using method of motion test device is:
The first step: two jacks that two wires that connect movable contact spring and static contact spring piece on the magnetic latching relay accessed respectively connection terminal A 14, two wires that connect the magnetic latching relay drive coil access respectively two jacks of connection terminal B 15, and magnetic latching relay is put in the stopper slot 11 on the test desk 12, aim at the adjustable gauge head of digital pull and push dynamometer 10;
Second step: press master switch 5, power connection, the password input frame on the point touching screen 8 is entered password at key zone, requires in accordance with regulations to set contact force lower limit, recurrence interval again, determines to return; Then open control box 2, require to regulate in accordance with regulations the voltage of 2 two Switching Power Supplies of control box, numerical value change is presented in " driving voltage " frame on the touch-screen 8, regulates completely, locks control box 2.
The 3rd goes on foot: promote magnetic latching relay along adjustable gauge head direction, make the movable contact spring of magnetic latching relay toward motion in the other direction, in case disconnect with static contact spring piece, show immediately the contact force value of current institute survey magnetic latching relay on the touch-screen 8; If this value is greater than the setting of " low pressure limit ", green indicating lamp 7 is bright, and then this magnetic latching relay contact force is qualified, carries out FOUR EASY STEPS; If this value is less than the setting of " low pressure limit ", red led 6 is bright, and hummer 4 is reported to the police, and then this magnetic latching relay contact force is defective, carries out the operation of the 5th step.
The 4th step: make pulse switch 13, under the predetermined pulse condition, if the normal open and close of movable contact spring and static contact spring piece, it is qualified that spring leaf opens and closes function; If in movable contact spring and the static contact spring piece open and close process, red led is bright 6, and hummer 4 is reported to the police, and it is defective that then this magnetic latching relay spring leaf opens and closes function;
The 5th step: turn-off pulse switch 13, unload magnetic latching relay, store classifiedly, the contact force of carrying out next magnetic latching relay detects and motion test, if no longer continue the detection of next magnetic latching relay, then powered-down.
Claims (1)
1. a magnetic latching relay contact force detects and the motion test device, it is characterized in that: include worktable, be arranged on the control box of worktable below, be provided with power supply in the control box and as the controller of core control part, be arranged on the test desk of worktable top, the test desk upper horizontal is provided with digital pull and push dynamometer, and digital pull and push dynamometer measuring staff front end is provided with adjustable gauge head, also is provided with to limit the stopper slot that magnetic latching relay moves forward and backward on the test desk; Also be provided with to connect the connection terminal A of magnetic latching relay movable contact spring and static contact spring piece on the worktable, and in order to connect the connection terminal B of magnetic latching relay drive coil, described connection terminal A is connected with the signal input part of controller, and pulse switch is connected with the pulse signal output end of controller connection terminal B on the worktable by being arranged on; Also be provided with electrical box on the described worktable, be provided with touch-screen, warning device and master switch on the electrical box; Described digital pull and push dynamometer, warning device, touch-screen all are electrically connected with controller.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220529501 CN202815184U (en) | 2012-10-11 | 2012-10-11 | Contact pressure detecting and action testing device for magnetic latching relay |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN 201220529501 CN202815184U (en) | 2012-10-11 | 2012-10-11 | Contact pressure detecting and action testing device for magnetic latching relay |
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CN202815184U true CN202815184U (en) | 2013-03-20 |
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CN 201220529501 Expired - Fee Related CN202815184U (en) | 2012-10-11 | 2012-10-11 | Contact pressure detecting and action testing device for magnetic latching relay |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102901592A (en) * | 2012-10-11 | 2013-01-30 | 中国计量学院 | Magnetic latching relay contact pressure detection and movement testing device and use method thereof |
CN106932713A (en) * | 2017-02-21 | 2017-07-07 | 惠州金源精密自动化设备有限公司 | Relay test set |
CN108332895A (en) * | 2018-01-09 | 2018-07-27 | 沈阳铁路信号有限责任公司 | A kind of portable secured type relay tip pressure test recorder |
-
2012
- 2012-10-11 CN CN 201220529501 patent/CN202815184U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102901592A (en) * | 2012-10-11 | 2013-01-30 | 中国计量学院 | Magnetic latching relay contact pressure detection and movement testing device and use method thereof |
CN106932713A (en) * | 2017-02-21 | 2017-07-07 | 惠州金源精密自动化设备有限公司 | Relay test set |
CN106932713B (en) * | 2017-02-21 | 2019-08-20 | 惠州金源精密自动化设备有限公司 | Relay test set |
CN108332895A (en) * | 2018-01-09 | 2018-07-27 | 沈阳铁路信号有限责任公司 | A kind of portable secured type relay tip pressure test recorder |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20131011 |