CN202815183U - Electrical life testing device for magnetic latching relay - Google Patents
Electrical life testing device for magnetic latching relay Download PDFInfo
- Publication number
- CN202815183U CN202815183U CN 201220529480 CN201220529480U CN202815183U CN 202815183 U CN202815183 U CN 202815183U CN 201220529480 CN201220529480 CN 201220529480 CN 201220529480 U CN201220529480 U CN 201220529480U CN 202815183 U CN202815183 U CN 202815183U
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- circuit
- electrically connected
- box body
- magnetic latching
- casing
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- Expired - Fee Related
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Abstract
The utility model provides an electrical life testing device for a magnetic latching relay. The device comprises a box body and a control circuit therein, wherein an LCD screen, a reset button, wiring terminals, a power switch and a socket are arranged on the box body; and the device is characterized in that: the control circuit is composed of a power supply circuit, a core control chip, and a display circuit, a reset circuit, a voltage monitoring circuit and a relay driving circuit which are electrically connected with the core control chip; and an input end of the power supply circuit is electrically connected with the power switch arranged on the box body, the reset circuit is electrically connected with the reset button arranged on the box body, an output end of the display circuit is electrically connected with the LCD screen arranged on the box body, and the relay driving circuit is electrically connected with the terminals arranged on the box body. The device can automatically complete the electrical life test of the magnetic latching relay, is free of manual intervention during the test, shortens the whole testing time, has low cost and good effect, and satisfies the needs of production process.
Description
Technical field
The utility model belongs to a kind of reliability test in the Low Voltage Electrical Apparatus, relates in particular to the device that a kind of electric energy meter is used the magnetic latching relay electrical endurance test.
Background technology
Magnetic latching relay is one of core components and parts of electric energy meter, its performance and life-span are the key factors that determines whole electric energy meter reliability, therefore, be necessary the appliance life of magnetic latching relay is detected, and at present, enterprise does not also have a kind of device that is used for specially detecting the magnetic latching relay appliance life.
Summary of the invention
The purpose of the utility model:
A kind of magnetic latching relay electrical endurance test device that can address the above problem is proposed.
For realizing the purpose of the utility model, the utility model provides a kind of magnetic latching relay electrical endurance test device, consisted of by casing and internal control circuit thereof, be provided with liquid crystal display at casing, reset button, connection terminal, power switch and socket, it is characterized in that: control circuit is by power circuit, kernel control chip and the display circuit that is electrically connected with kernel control chip, clear circuit, voltage monitoring circuit and relay drive circuit consist of, the power switch that arranges on the input end of power circuit and the casing is electrically connected, the reset button that arranges on clear circuit and the casing is electrically connected, the liquid crystal display that arranges on the output terminal of display circuit and the casing is electrically connected, and the connection terminal that arranges on relay drive circuit and the casing is electrically connected.
The utility model beneficial effect and characteristics compared with prior art: this device can be finished the magnetic latching relay electrical endurance test automatically, do not need in test manual intervention, cost is low, effective, satisfy the needs of production run, help to improve the insolation level of the crucial mass parameter of enterprise's magnetic latching relay, further guarantee the quality of enterprise's magnetic latching relay.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the connection block diagram of the utility model internal control circuit part;
Fig. 3 is the Software for Design process flow diagram on the utility model kernel control chip.
Embodiment
This magnetic latching relay electrical endurance test device is made of casing and internal control circuit thereof, the structure of casing 1 as shown in Figure 1, front panel at casing 1 is provided with liquid crystal display 6, reset button 5 and four connection terminals 4, is provided with power switch 3 and socket 2 at the rear panel of casing 1.
As shown in Figure 2; this magnetic latching relay electrical endurance test device internal control circuit is by the power circuit that stable voltage, enough power and suitable protection can be provided for the work of whole system; kernel control chip C8051F021 and the display circuit that is connected with kernel control chip C8051F021, reset circuit, voltage monitoring circuit and relay drive circuit consist of, and the Software for Design process flow diagram on the kernel control chip as shown in Figure 3.The power switch 3 that arranges on the input end of power circuit and the casing 1 is electrically connected, the reset button 5 that arranges on clear circuit and the casing 1 is electrically connected, the liquid crystal display 6 that arranges on the output terminal of display circuit and the casing 1 is electrically connected, and the connection terminal 4 of setting is electrically connected on relay drive circuit and the casing 1.
When using this magnetic latching relay electrical endurance test device, socket 2 is connected to general supply, and two wires that connect the magnetic latching relay coil are accessed respectively two jacks of connection terminal 4, turns on the power switch 3, and magnetic latching relay namely begins test.The every adhesive in the contact of magnetic latching relay once, step-by-step counting once, count value is presented on the liquid crystal display 6, until action is inferior to what stipulate, if also will continue the test of next magnetic latching relay, but powered-down switch 3 then takes off this relay, turn on the power switch again 3 after connecting the relay that the next one will test, begin the test of next relay; Also can not close power switch 3, take off this relay, connect behind the relay that the next one will test by reset button 5, restart counting, begin the test of next magnetic latching relay; If not at test, powered-down switch 3.
Claims (1)
1. magnetic latching relay electrical endurance test device, consisted of by casing and internal control circuit thereof, be provided with liquid crystal display at casing, reset button, connection terminal, power switch and socket, it is characterized in that: control circuit is by power circuit, kernel control chip and the display circuit that is electrically connected with kernel control chip, clear circuit, voltage monitoring circuit and relay drive circuit consist of, the power switch that arranges on the input end of power circuit and the casing is electrically connected, the reset button that arranges on clear circuit and the casing is electrically connected, the liquid crystal display that arranges on the output terminal of display circuit and the casing is electrically connected, and the connection terminal that arranges on relay drive circuit and the casing is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220529480 CN202815183U (en) | 2012-10-11 | 2012-10-11 | Electrical life testing device for magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220529480 CN202815183U (en) | 2012-10-11 | 2012-10-11 | Electrical life testing device for magnetic latching relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202815183U true CN202815183U (en) | 2013-03-20 |
Family
ID=47874041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220529480 Expired - Fee Related CN202815183U (en) | 2012-10-11 | 2012-10-11 | Electrical life testing device for magnetic latching relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202815183U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008292A (en) * | 2017-11-27 | 2018-05-08 | 上海航天测控通信研究所 | A kind of magnetic latching relay ageing detection automatics and automatic testing method |
-
2012
- 2012-10-11 CN CN 201220529480 patent/CN202815183U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108008292A (en) * | 2017-11-27 | 2018-05-08 | 上海航天测控通信研究所 | A kind of magnetic latching relay ageing detection automatics and automatic testing method |
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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 |