CN204649929U - Miniature relay protection brake switch tester - Google Patents
Miniature relay protection brake switch tester Download PDFInfo
- Publication number
- CN204649929U CN204649929U CN201520393081.6U CN201520393081U CN204649929U CN 204649929 U CN204649929 U CN 204649929U CN 201520393081 U CN201520393081 U CN 201520393081U CN 204649929 U CN204649929 U CN 204649929U
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- CN
- China
- Prior art keywords
- chip microcomputer
- output terminal
- relay
- input end
- brake switch
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- 238000007600 charging Methods 0.000 claims abstract description 18
- 238000012360 testing method Methods 0.000 claims abstract description 18
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 12
- 229910052744 lithium Inorganic materials 0.000 claims description 12
- 230000006870 function Effects 0.000 claims description 7
- 230000009993 protective function Effects 0.000 claims description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010280 constant potential charging Methods 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Abstract
The utility model discloses a kind of miniature relay protection brake switch tester, the adapting position of its housing closed is respectively equipped with display screen, analog output interface circuit, keypad portion and charging inlet and power switch, the output terminal of keypad portion is connected with the input end of the single-chip microcomputer in housing, the output terminal of single-chip microcomputer with respectively with display screen, DC-DC, DC-AC power module is connected with the input end of relay, DC-DC, the output terminal of DC-AC power module is connected with the input end of relay with single-chip microcomputer respectively, charging inlet is connected with the general supply in housing with power switch, the output terminal of general supply respectively with single-chip microcomputer, display screen, keypad portion, DC-DC, DC-AC power module is connected with the input end of relay, the output terminal of relay is connected with described analog output interface circuit.The utility model precision is high, exquisite portable, effectively raise work efficiency, meet power system transformer substation to greatest extent and overhaul in a large number or the needs of test job.
Description
Technical field
The utility model relates to a kind of tester, particularly relates to miniature relay protection brake switch tester.Belong to electronic technology field.
Background technology
In electric system, station or test job, often need to carry out divide-shut brake voltage tester to switch, due to working site circumstance complication, power supply obtains often becomes a difficult problem, and the equipment again owing to being overhauled or testing is various, needs often to move testing tool and power lead, the tester of present employing is for core with power frequency regulating autotransformer, equipment is heavy, and low precision, during without voltage stabilizing measure, cannot use, without output function able to programme in the occasion of power supply instability.When doing the test of switch divide-shut brake voltage tester, additionally reometer need be connected in series, and manual pressure, need two people to monitor electric current and voltage amount respectively, measuring accuracy is poor, and speed is slow simultaneously, efficiency is low, can not meet power system transformer substation and overhaul in a large number or the needs of test job.
Summary of the invention
The utility model is exactly to solve the problems of the technologies described above, and provides one and be particularly suitable for electric system, achieve or power free occasion unstable at power supply and also can use, and precision is high, speed fast, exquisite portative miniature relay protection brake switch tester.
To achieve these goals, the technical scheme of the utility model technical solution problem is:
Miniature relay protection brake switch tester, its structure is as follows: the adapting position of the housing closed is respectively equipped with display screen, analog output interface circuit, keypad portion and charging inlet and power switch, the output terminal of described keypad portion is connected with the input end of the single-chip microcomputer in housing, the output terminal of single-chip microcomputer with respectively with display screen, DC-DC, DC-AC power module is connected with the input end of relay, DC-DC, the output terminal of DC-AC power module is connected with the input end of relay with single-chip microcomputer respectively, charging inlet is connected with the general supply in housing with power switch, the output terminal of general supply respectively with single-chip microcomputer, display screen, keypad portion, DC-DC, DC-AC power module is connected with the input end of relay, the output terminal of relay is connected with described analog output interface circuit.
Described keypad portion starts/stop button by shortcut function button, test and digital selective key dish forms.
Described single-chip microcomputer model is STC12C5A60S2AD.
Described general supply is made up of external power supply and charged lithium cells bag.
Described charged lithium cells bag is by charged lithium cells and have short circuit, overcharge, the battery charging management circuit of overdischarge and overheat protective function and battery and protection circuit forms.
The side adapting position of described housing is at least also located at gripping handle cover in side.
Owing to adopting technique scheme, the utility model is made compared with prior art to have following beneficial effect:
The utility model solves in maintenance or testing apparatus work, need a difficult problem of often moving testing apparatus and power lead, achieve and also can work in power supply instability or power free occasion, particularly when switch carries out divide-shut brake voltage tester, decrease the input of personnel, and precision is high, speed fast, exquisite portable, effectively raise work efficiency, meet power system transformer substation to greatest extent and overhaul in a large number or the needs of test job.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in detail.
Fig. 1 is external structure schematic diagram of the present utility model;
Fig. 2 is the utility model schematic block diagram.
Critical part in figure: display screen 1, analog output interface circuit 2, keypad portion 3, shortcut function button 4, test starts/stops button 5, digital selective key dish 6, housing 7, charging inlet and power switch 8, gripping handle 9.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.Following examples are only several specific embodiment of the present utility model, but design concept of the present utility model is not limited thereto, and all changes utilizing this design the utility model to be carried out to unsubstantiality, all should within the utility model protection domain.
Embodiment 1:
As Fig. 1, miniature relay protection brake switch tester shown in 2, its structure is as follows: the adapting position of the housing 7 closed is respectively equipped with display screen 1, analog output interface circuit 2, keypad portion 3 and charging inlet and power switch 8, the output terminal of described keypad portion 3 is connected with the input end of the single-chip microcomputer in housing 7, the output terminal of single-chip microcomputer with respectively with display screen, DC-DC, DC-AC power module is connected with the input end of relay, DC-DC, the output terminal of DC-AC power module is connected with the input end of relay with single-chip microcomputer respectively, charging inlet is connected with the general supply in housing 7 with power switch 8, the output terminal of general supply respectively with single-chip microcomputer, display screen, keypad portion 3, DC-DC, DC-AC power module is connected with the input end of relay, the output terminal of relay is connected with described analog output interface circuit 2.
Described keypad portion 3 starts/stop button 5 by shortcut function button 4, test and digital selective key dish 6 forms.
Described single-chip microcomputer model is STC12C5A60S2AD.
Described general supply is made up of external power supply and charged lithium cells bag.
Described charged lithium cells bag is by charged lithium cells and have short circuit, overcharge, the battery charging management circuit of overdischarge and overheat protective function and battery and protection circuit forms.
The side adapting position of described housing 7 is at least also located at gripping handle cover 9 in side.
Embodiment 2:
Miniature relay protection brake switch tester, its structure is as follows: the adapting position of the housing 7 closed is respectively equipped with display screen 1, analog output interface circuit 2, keypad portion 3 and charging inlet and power switch 8, the output terminal of described keypad portion 3 is connected with the input end of the single-chip microcomputer in housing 7, the output terminal of single-chip microcomputer with respectively with display screen, DC-DC, DC-AC power module is connected with the input end of relay, DC-DC, the output terminal of DC-AC power module is connected with the input end of relay with single-chip microcomputer respectively, charging inlet is connected with the general supply in housing 7 with power switch 8, the output terminal of general supply respectively with single-chip microcomputer, display screen, keypad portion 3, DC-DC, DC-AC power module is connected with the input end of relay, the output terminal of relay is connected with described analog output interface circuit 2.
Described keypad portion 3 starts/stop button 5 by shortcut function button 4, test and digital selective key dish 6 forms.
Described single-chip microcomputer model is STC12C5A60S2AD.
Described general supply is made up of external power supply and charged lithium cells bag.
Described charged lithium cells bag is by charged lithium cells and have short circuit, overcharge, the battery charging management circuit of overdischarge and overheat protective function and battery and protection circuit forms.
Principle of work of the present utility model:
1, analog output:
User opens general supply by charging inlet and power switch 8, and battery and protection circuit provide power supply to each several part.
The single-chip microcomputer of STC12C5A60S2AD model reads analog quantity type and the amplitude of the needs output that user inputs from keypad portion 3.
After user presses test beginning button 5, single-chip microcomputer transmits to DC-DC, DC-AC power module, makes it export corresponding voltage, electric current.
Single-chip microcomputer gathers analog value between the output terminal relay of controlled DC-DC, DC-AC power module, compared with preset value, revises the output analog value of DC-DC, DC-AC power module according to error in real time.
After single-chip microcomputer to reach preset value error allowed band and is stable from the analog value gathered between the output terminal and relay of DC-DC, DC-AC power module, single-chip microcomputer transmits to relay, make it connect, it is outside that analog voltage, the magnitude of current are exported to the utility model tester.
When single-chip microcomputer is from when the voltage of the analog value gathered between the output terminal and relay of DC-DC, DC-AC power module is excessive or electric current exceedes limit value; Single-chip Controlling relay disconnects; close DC-DC, DC-AC power module, to protect the utility model tester simultaneously.
The single-chip microcomputer of the utility model tester is omnidistance to display panel module transmission data at test operation, with information such as the operation of display device, display states.
2, switch divide-shut brake voltage tester:
User opens general supply by charging inlet and power switch 8, and battery and protection circuit provide power supply to each several part.
The single-chip microcomputer of STC12C5A60S2AD model reads user from the function (switch divide-shut brake voltage tester) selected by keypad portion 3 input and setting (Vital Voltage point etc.).
After user presses test beginning button 5, single-chip microcomputer transmits to DC-DC, DC-AC power module, makes it export corresponding voltage, electric current.
Single-chip microcomputer gathers analog value between the output terminal and relay of DC-DC, DC-AC power module, compared with preset value, revises the output analog value of DC-DC, DC-AC power module according to error in real time.
After single-chip microcomputer to reach preset value error allowed band and is stable from the analog value gathered between the output terminal and relay of DC-DC, DC-AC power module, single-chip microcomputer transmits to relay, make it connect, it is outside that analog voltage, the magnitude of current are exported to the utility model tester.
Single-chip Controlling DC-DC, DC-AC power module boosted output voltages gradually from 0V, and the successively voltage that exports of minute book utility model tester and the current value in corresponding moment.
When first time, to collect output current be 0 to single-chip microcomputer, namely external loop disconnects, but when voltage is not 0, represents now switch motion, and the electric current and voltage value that the last time collects by the utility model tester shows, as the operation voltage of switch.
When single-chip microcomputer is from when the voltage of the analog value gathered between the output terminal and relay of DC-DC, DC-AC power module is excessive or electric current exceedes limit value, Single-chip Controlling relay disconnects, and closes DC-DC, DC-AC power module, with protective device simultaneously.
The single-chip microcomputer of the utility model tester is omnidistance to display panel module transmission data at test operation, with information such as the operation of display device, display states.
3, charge:
When there being external power source to access, battery charging management circuit converts external power supply electric energy, carry out constant current/constant voltage charging to battery, charged state color indication lights represents.
Claims (6)
1. miniature relay protection brake switch tester, it is characterized in that structure is as follows: the adapting position of the housing (7) closed is respectively equipped with display screen (1), analog output interface circuit (2), keypad portion (3) and charging inlet and power switch (8), the output terminal of described keypad portion (3) is connected with the input end of the single-chip microcomputer in housing (7), the output terminal of single-chip microcomputer with respectively with display screen, DC-DC, DC-AC power module is connected with the input end of relay, DC-DC, the output terminal of DC-AC power module is connected with the input end of relay with single-chip microcomputer respectively, charging inlet is connected with the general supply in housing (7) with power switch (8), the output terminal of general supply respectively with single-chip microcomputer, display screen, keypad portion (3), DC-DC, DC-AC power module is connected with the input end of relay, the output terminal of relay is connected with described analog output interface circuit (2).
2. miniature relay protection brake switch tester according to claim 1, is characterized in that described keypad portion (3) starts/stop button (5) by shortcut function button (4), test and digital selective key dish (6) forms.
3. miniature relay protection brake switch tester according to claim 1, is characterized in that described single-chip microcomputer model is STC12C5A60S2AD.
4. miniature relay protection brake switch tester according to claim 1, is characterized in that described general supply is made up of external power supply and charged lithium cells bag.
5. miniature relay protection brake switch tester according to claim 1, is characterized in that described charged lithium cells bag is by charged lithium cells with have short circuit, overcharge, the battery charging management circuit of overdischarge and overheat protective function and battery and protection circuit forms.
6. miniature relay protection brake switch tester according to claim 1, is characterized in that the side adapting position of described housing (7) is at least also located at gripping handle cover (9) in side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520393081.6U CN204649929U (en) | 2015-06-09 | 2015-06-09 | Miniature relay protection brake switch tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520393081.6U CN204649929U (en) | 2015-06-09 | 2015-06-09 | Miniature relay protection brake switch tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204649929U true CN204649929U (en) | 2015-09-16 |
Family
ID=54102665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520393081.6U Active CN204649929U (en) | 2015-06-09 | 2015-06-09 | Miniature relay protection brake switch tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204649929U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571624A (en) * | 2016-03-21 | 2016-05-11 | 成都天进仪器有限公司 | Intelligent power grid transformer substation relay protection tester with good heat dissipation |
| CN105572433A (en) * | 2016-03-21 | 2016-05-11 | 成都天进仪器有限公司 | Intelligent transformer substation relay protection tester shell |
| CN105606938A (en) * | 2016-03-21 | 2016-05-25 | 成都天进仪器有限公司 | Smart power grid transformer station relay protection tester with various communication functions |
| CN105629115A (en) * | 2016-03-21 | 2016-06-01 | 成都天进仪器有限公司 | Voltage source smart power grid substation relay protection tester |
| CN105676036A (en) * | 2016-03-21 | 2016-06-15 | 成都天进仪器有限公司 | Current source smart grid transformer substation relay protection testing device |
| CN105785179A (en) * | 2016-03-21 | 2016-07-20 | 成都天进仪器有限公司 | Easy-to-assemble smart grid substation relay protection tester |
| CN105785181A (en) * | 2016-03-21 | 2016-07-20 | 成都天进仪器有限公司 | Intelligent industrial-control-type substation relay protection tester housing |
| CN106291341A (en) * | 2015-06-09 | 2017-01-04 | 国网辽宁省电力有限公司营口供电公司 | Miniature relay protection brake switch tester |
| CN107356865A (en) * | 2016-05-09 | 2017-11-17 | 国网辽宁省电力有限公司营口供电公司 | A kind of Buchholz relay tester |
-
2015
- 2015-06-09 CN CN201520393081.6U patent/CN204649929U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106291341A (en) * | 2015-06-09 | 2017-01-04 | 国网辽宁省电力有限公司营口供电公司 | Miniature relay protection brake switch tester |
| CN105571624A (en) * | 2016-03-21 | 2016-05-11 | 成都天进仪器有限公司 | Intelligent power grid transformer substation relay protection tester with good heat dissipation |
| CN105572433A (en) * | 2016-03-21 | 2016-05-11 | 成都天进仪器有限公司 | Intelligent transformer substation relay protection tester shell |
| CN105606938A (en) * | 2016-03-21 | 2016-05-25 | 成都天进仪器有限公司 | Smart power grid transformer station relay protection tester with various communication functions |
| CN105629115A (en) * | 2016-03-21 | 2016-06-01 | 成都天进仪器有限公司 | Voltage source smart power grid substation relay protection tester |
| CN105676036A (en) * | 2016-03-21 | 2016-06-15 | 成都天进仪器有限公司 | Current source smart grid transformer substation relay protection testing device |
| CN105785179A (en) * | 2016-03-21 | 2016-07-20 | 成都天进仪器有限公司 | Easy-to-assemble smart grid substation relay protection tester |
| CN105785181A (en) * | 2016-03-21 | 2016-07-20 | 成都天进仪器有限公司 | Intelligent industrial-control-type substation relay protection tester housing |
| CN107356865A (en) * | 2016-05-09 | 2017-11-17 | 国网辽宁省电力有限公司营口供电公司 | A kind of Buchholz relay tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |