CN208140914U - A kind of electric energy meter aging apparatus for impact testing - Google Patents
A kind of electric energy meter aging apparatus for impact testing Download PDFInfo
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- CN208140914U CN208140914U CN201820788458.1U CN201820788458U CN208140914U CN 208140914 U CN208140914 U CN 208140914U CN 201820788458 U CN201820788458 U CN 201820788458U CN 208140914 U CN208140914 U CN 208140914U
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- chip microcontroller
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Abstract
The utility model provides a kind of electric energy meter aging apparatus for impact testing, and host computer is connected to single-chip microcontroller by RS485 communication interface, to send control instruction to single-chip microcontroller；The RS485 communication interface includes MAX485 chip, to complete the communication connection of host computer and single-chip microcontroller；The output control pin of the single-chip microcontroller is connected to the input terminal of darlington transistor array, and the output end of darlington transistor array is connected to relay, to realize that single-chip microcontroller controls the turn-on and turn-off of relay；The relay is mounted on the power input line of degradation detecting device, and electric energy meter to be checked is placed on degradation detecting device, and the turn-on and turn-off of relay realize the switching of electric energy meter to be checked powered on power down.The utility model has the beneficial effects that：Electric energy meter field working environment more effectively can be really simulated, to further filter out defective products, eliminates product quality hidden danger, further guarantees long-life reliability service of the product at the scene in environment.
Description
Technical field
The utility model relates to electric energy meter burn-in test fields, fill more particularly to a kind of electric energy meter aging shock-testing
It sets.
Background technique
The purpose of degradation is the process by high temperature ageing, accelerates the electronic component failure ruptured, makes
Electronic component works in stable state, to further filter out defective products, eliminates product quality hidden danger.
The prior art only supports that aging is had good luck test, and shock-testing can not be carried out in degradation, can not assess electric energy
The reliability that table is powered in long-time aging, power down switches.
Lack apparatus for impact testing in the prior art, it, can only manual switch to realize the impact test in ageing process
The power supply of degradation detecting device.During entire burn-in test, if realizing multiple power-on and power-off switching, manual switching time-consuming is taken
Power, switching duration every time is only rough estimate, is unable to complete accurate timing, can not retest required movement, it is difficult to be realized batch
Measure aging shock-testing.So the prior art is difficult to realize automatic aging shock-testing when batch production.
Utility model content
To solve the above problems, more real simulation work on the spot environment, this programme propose to increase in original technology hereby
Add an apparatus for impact testing, the test such as system can realize automatic frequent power-on and power-off, walk pulse, communication exists to detect electric energy meter
Powered in ageing process, power down switching when operating status, further guarantee that long-life of the product at the scene in environment is reliable
Operation.
The technical solution of the utility model：
A kind of electric energy meter aging apparatus for impact testing, including host computer, RS485 communication interface, single-chip microcontroller, relay and
Degradation detecting device,
The host computer is connected to single-chip microcontroller by RS485 communication interface, to send control instruction to single-chip microcontroller；
The RS485 communication interface includes MAX485 chip, and the input port of MAX485 chip is wired to
Position machine, the output port of MAX485 chip is wired to the signal input tube foot of single-chip microcontroller, thus complete host computer with
The communication connection of single-chip microcontroller；
The output control pin of the single-chip microcontroller is connected to the input terminal of darlington transistor array, Darlington transistor battle array
The output end of column is connected to relay, to realize that single-chip microcontroller controls the turn-on and turn-off of relay；
The relay is mounted on the power input line of degradation detecting device, and electric energy to be checked is placed on degradation detecting device
Table, the turn-on and turn-off of relay realize the switching of electric energy meter to be checked powered on power down.
The DC power supply to power to single-chip microcontroller is also connected on the single-chip microcontroller.
The darlington transistor array uses ULN2003 chip.
The single-chip microcontroller uses the MSP430 single-chip microcontroller of Texas Instrument.
The electric energy meter to be checked placed on the degradation detecting device is 1 or more.
The utility model has the beneficial effects that：Apparatus for impact testing is added in degradation detecting device front end, can be real by programming
Shock-testing is automatically performed in existing ageing process；Apparatus for impact testing is by three RS485 communication interface, single-chip microcontroller and relay portions
It is grouped as；It can realize that powering on switching frequency between power down and number is arbitrarily adjusted by mcu programming.It can be more effective
True simulation electric energy meter field working environment eliminates product quality hidden danger, further to further filter out defective products
Ground guarantees long-life reliability service of the product at the scene in environment.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model principle structural schematic diagram.
Figure label respectively indicates：1-host computer, 2-MAX485 chips, 3-single-chip microcontrollers, 4-relays, 5-agings
Detection device, 6-ULN2003 chips, 7-electric energy meters to be checked, 8-DC power supplies.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the technical solution of the utility model：
A kind of electric energy meter aging apparatus for impact testing, including host computer 1, RS485 communication interface, single-chip microcontroller 3, relay 4
And degradation detecting device 5,
The host computer 1 is connected to single-chip microcontroller 3 by RS485 communication interface, to send control instruction to single-chip microcontroller 3；
The RS485 communication interface includes MAX485 chip 2, and the input port of MAX485 chip 2 is wired to
Host computer 1, the output port of MAX485 chip 2 are wired to the signal input tube foot of single-chip microcontroller 3, to complete upper
The communication connection of machine 1 and single-chip microcontroller 3；
The output control pin of the single-chip microcontroller 3 is connected to the input terminal of darlington transistor array, Darlington transistor
The output end of array is connected to relay 4, to realize that single-chip microcontroller 3 controls the turn-on and turn-off of relay 4；
The relay 4 is mounted on the power input line of degradation detecting device 5, is placed on degradation detecting device 5 to be checked
Electric energy meter 7, the turn-on and turn-off of relay 4 realize the switching of electric energy meter 7 to be checked powered on power down.
The DC power supply 8 to power to single-chip microcontroller is also connected on the single-chip microcontroller 3.
The darlington transistor array uses ULN2003 chip 6.
The single-chip microcontroller 3 uses the MSP430 single-chip microcontroller of Texas Instrument.
The electric energy meter to be checked 7 placed on the degradation detecting device 5 is 1 or more.
The cut-in relay 4 on 5 power input line of degradation detecting device, relay 4 is controlled by single-chip microcontroller 3, can be compiled
Cheng Shixian upper and lower surge switching time and number arbitrarily adjust, and when degradation starts, are operated by host computer 1, setting
Switching time and number, by sending instructions under RS485 communication interface 2, after single-chip microcontroller 3 receives instruction, the output of I/O control mouth is corresponded to
Pulse signal, with control relay 4 movement, realize automatic aging shock-testing.
Shock-testing dress is added in a kind of electric energy meter aging apparatus for impact testing of the utility model, degradation detecting device front end
It sets, can be realized in ageing process by programming and be automatically performed shock-testing；Apparatus for impact testing is by RS485 communication interface, monolithic
Three parts of machine and relay form；It can be realized by mcu programming and power on switching frequency between power down and number is any
It adjusts.Electric energy meter field working environment more effectively can be really simulated, to further filter out defective products, eliminates product
Hidden danger of quality further guarantees long-life reliability service of the product at the scene in environment.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of electric energy meter aging apparatus for impact testing, it is characterised in that：Including host computer, RS485 communication interface, single-chip microcontroller,
Relay and degradation detecting device,
The host computer is connected to single-chip microcontroller by RS485 communication interface, to send control instruction to single-chip microcontroller；
The RS485 communication interface includes MAX485 chip, and the input port of MAX485 chip is wired to host computer,
The output port of MAX485 chip is wired to the signal input tube foot of single-chip microcontroller, to complete host computer and single-chip microcontroller
Communication connection；
The output control pin of the single-chip microcontroller is connected to the input terminal of darlington transistor array, darlington transistor array
Output end is connected to relay, to realize that single-chip microcontroller controls the turn-on and turn-off of relay；
The relay is mounted on the power input line of degradation detecting device, and electric energy meter to be checked is placed on degradation detecting device,
The turn-on and turn-off of relay realize the switching of electric energy meter to be checked powered on power down.
2. a kind of electric energy meter aging apparatus for impact testing according to claim 1, it is characterised in that：On the single-chip microcontroller also
It is connected with the DC power supply to power to single-chip microcontroller.
3. a kind of electric energy meter aging apparatus for impact testing according to claim 1, it is characterised in that：The Darlington crystal
Pipe array uses ULN2003 chip.
4. a kind of electric energy meter aging apparatus for impact testing according to claim 1, it is characterised in that：The single-chip microcontroller uses
The MSP430 single-chip microcontroller of Texas Instrument.
5. a kind of electric energy meter aging apparatus for impact testing according to claim 1, it is characterised in that：The ageing management dress
The electric energy meter to be checked for setting placement is 1 or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820788458.1U CN208140914U (en) | 2018-05-25 | 2018-05-25 | A kind of electric energy meter aging apparatus for impact testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820788458.1U CN208140914U (en) | 2018-05-25 | 2018-05-25 | A kind of electric energy meter aging apparatus for impact testing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208140914U true CN208140914U (en) | 2018-11-23 |
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| CN201820788458.1U Active CN208140914U (en) | 2018-05-25 | 2018-05-25 | A kind of electric energy meter aging apparatus for impact testing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988540A (en) * | 2019-12-12 | 2020-04-10 | 山东有人信息技术有限公司 | Automatic power-on and power-off testing system of Internet of things communication equipment |
| CN111381146A (en) * | 2018-12-28 | 2020-07-07 | 深圳市优必选科技有限公司 | Test system and test method thereof |
-
2018
- 2018-05-25 CN CN201820788458.1U patent/CN208140914U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111381146A (en) * | 2018-12-28 | 2020-07-07 | 深圳市优必选科技有限公司 | Test system and test method thereof |
| CN110988540A (en) * | 2019-12-12 | 2020-04-10 | 山东有人信息技术有限公司 | Automatic power-on and power-off testing system of Internet of things communication equipment |
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