CN107356865A - A kind of Buchholz relay tester - Google Patents
A kind of Buchholz relay tester Download PDFInfo
- Publication number
- CN107356865A CN107356865A CN201610300247.4A CN201610300247A CN107356865A CN 107356865 A CN107356865 A CN 107356865A CN 201610300247 A CN201610300247 A CN 201610300247A CN 107356865 A CN107356865 A CN 107356865A
- Authority
- CN
- China
- Prior art keywords
- air pump
- electric air
- control
- buchholz relay
- circuit board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 21
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 5
- 229910001416 lithium ion Inorganic materials 0.000 claims description 5
- 230000009993 protective function Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 8
- 238000002474 experimental method Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 210000003296 saliva Anatomy 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses a kind of Buchholz relay tester; electric air pump, the control of electric air pump and the charging circuit of switching circuit board, lithium battery and its protection circuit and USB interface are sequentially provided with its housing closed; the outer end of housing is provided with the electric air pump gas outlet being connected with electric air pump; the output end of described charging circuit is connected with lithium battery and its protection circuit input; the output end of lithium battery and its protection circuit is connected with the input of control and switching circuit board, and control and the output end of switching circuit board are connected with the input of electric air pump.When the present invention solves the light gas work of experiment Buchholz relay; need the problem manually often blown; the safety of the personnel of protection test and equipment to greatest extent; so that testing equipment is accurate, stable operation; low cost of the present invention; it is exquisite portable, operating efficiency is effectively raised, is very suitable for promoting the use of in relay equipment protection technique field.
Description
Technical field
Of the invention and a kind of tester, more particularly to a kind of Buchholz relay tester.Belong to relay equipment protection technique field.
Background technology
In work on the spot; it is frequently encountered the work of the experiment light gas of Buchholz relay; when taking the gas sample to examine; conventional test method is the mode with plastic tube to the artificial air blowing of Buchholz relay; such a method is laborious and unhygienic, easily cause testing crew continue for a long time air-blowing and anoxic dizziness in turn result in high falling etc. it is dangerous or caused by lasting blow head blood pressure rise and cause danger.Potential hazard is caused, great worry is brought to Buchholz relay experiment work person with the moisture even air with saliva, operation steady in a long-term to equipment in addition, artificial air blowing can be also blown into experimental rig.
The content of the invention
In order to solve the above-mentioned technical problem the present invention is exactly; and provide a kind of specific purpose tool of Buchholz relay experiment; artificial blow is not required to when realizing the work of light gas to be tested, can a kind of Buchholz relay tester of the personnel of protection test and equipment to greatest extent.
To achieve these goals, the technical scheme of present invention solution technical problem is：
A kind of Buchholz relay tester, its structure are as follows：Electric air pump, the control of electric air pump and the charging circuit of switching circuit board, lithium battery and its protection circuit and USB interface are sequentially provided with the housing of closing; the outer end of housing is provided with the electric air pump gas outlet being connected with electric air pump; the output end of described charging circuit is connected with lithium battery and its protection circuit input; the output end of lithium battery and its protection circuit is connected with the input of control and switching circuit board, and control and the output end of switching circuit board are connected with the input of electric air pump.
Single-chip microcomputer is built-in with described control and switching circuit board, the single-chip microcomputer is STC15F104.
Described control and on-off circuit plate part also carry LED light.
The charging circuit of described USB interface uses the charging circuit for being full of with battery and being automatically stopped charging.
Described battery is full of that to be automatically stopped the charging circuit of charging be TP4056 chips.
Described lithium battery and its protection circuit use charge management circuit of lithium-ion battery and its protection circuit with short circuit, overcharge, overdischarge and overheat protective function.
Due to using above-mentioned technical proposal so that the present invention has following beneficial effect compared with prior art：
When the present invention solves the light gas work of experiment Buchholz relay; need the problem manually often blown; the safety of the personnel of protection test and equipment to greatest extent; so that testing equipment is accurate, stable operation; low cost of the present invention; it is exquisite portable, operating efficiency is effectively raised, is very suitable for promoting the use of in relay equipment protection technique field.
Brief description of the drawings
The present invention is described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the present invention；
Fig. 2 is principle of the invention schematic block diagram.
Major part in figure：Electric air pump gas outlet 1, electric air pump 2, LED light 3, control and switching circuit board 4, lithium battery and its protection circuit 5, charging circuit 6, housing 7.
Embodiment
The present invention is described in further detail with reference to embodiment.Following examples are only several specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, all changes for carrying out unsubstantiality to the present invention using this design, all should be within the scope of the present invention.
Embodiment 1：
Electric air pump 2 uses Japanese MITSUMI companies MAP-AM-265 type micro air pumps；Control and switching circuit board 4 use the STC15F104 single-chip microcomputers of STC Corporation；Lithium battery and its protection circuit 5 use Samsung INR18650-13P power lithium-ion batteries, and a kind of Buchholz relay tester, its structure are as follows as shown in Figure 1, 2：The charging circuit 6 of electric air pump 2, the control of electric air pump and switching circuit board 4, lithium battery and its protection circuit 5 and USB interface is sequentially provided with the housing 7 of closing; the outer end of housing 7 is provided with the electric air pump gas outlet 1 being connected with electric air pump 2; the output end of described charging circuit 6 is connected with lithium battery and its input of protection circuit 5; the output end of lithium battery and its protection circuit 5 is connected with the input of control and switching circuit board 4, and the output end of control and switching circuit board 4 is connected with the input of electric air pump 2.
Single-chip microcomputer is built-in with above-mentioned control and switching circuit board 4, the single-chip microcomputer is STC15F104.
Above-mentioned control and the part of switching circuit board 4 also carry LED light 3.
The charging circuit 6 of above-mentioned USB interface is automatically stopped the charging circuit of charging using being full of with battery.
Above-mentioned battery is full of that to be automatically stopped the charging circuit of charging be TP4056 chips.
Above-mentioned lithium battery and its protection circuit 5 are using charge management circuit of lithium-ion battery and its protection circuit with short circuit, overcharge, overdischarge and overheat protective function.
The operation principle of the present invention：
1. the tested Buchholz relay of test：
The present invention is using electric air pump as gas source; after electric air pump gas outlet 1 is connected with the light gas test mouth of subject Buchholz relay; press manually or programme-control button, electric air pump control and switching circuit board 4 connect lithium battery and its protection circuit 5 and electric air pump 2, it is pumped out air.
Conduction time and the electric current of present invention control electric air pump 2 control the gas flow pressed air pump after programme-control button every time and exported, and stop output after reaching preset value, both can manually control；As can be automatically controlled by the single-chip microcomputer STC15F104 built in the control of electric air pump and switching circuit board 4.
2. charging：
The present invention passes through standard micro USB power connector access device charging inlets; charging circuit 6, and the function of being automatically stopped charging is full of with battery, lithium ion battery is charged by lithium battery and its protection circuit 5; charging circuit 6 sends out a warning, and charging finishes light blue lamp.
3. overcharge, overdischarge, short-circuit protection：
Lithium battery of the present invention and its protection circuit 5 judge whether to be in abnormality by measuring cell voltage and discharge current, if being judged as abnormality, cut off lithium battery and its protection circuit 5 and the connection of external circuit.
Claims (6)
1. a kind of Buchholz relay tester, it is characterised in that structure is as follows：The housing of closing（7）Inside it is sequentially provided with electric air pump（2）, electric air pump control and switching circuit board（4）, lithium battery and its protection circuit（5）With the charging circuit of USB interface（6）, housing（7）Outer end be provided with and electric air pump（2）Connected electric air pump gas outlet（1）, described charging circuit（6）Output end and lithium battery and its protection circuit（5）Input is connected, lithium battery and its protection circuit（5）Output end and control and switching circuit board（4）Input be connected, control and switching circuit board（4）Output end and electric air pump（2）Input be connected.
2. a kind of Buchholz relay tester according to claim 1, it is characterised in that described control and switching circuit board（4）In be built-in with single-chip microcomputer, the single-chip microcomputer is STC15F104.
3. a kind of Buchholz relay tester according to claim 1 or 2, it is characterised in that described control and switching circuit board（4）Part also carries LED light（3）.
A kind of 4. Buchholz relay tester according to claim 1, it is characterised in that the charging circuit of described USB interface（6）The charging circuit for being automatically stopped charging using being full of with battery.
5. a kind of Buchholz relay tester according to claim 4, it is characterised in that described battery is full of that to be automatically stopped the charging circuit of charging be TP4056 chips.
6. a kind of Buchholz relay tester according to claim 1, it is characterised in that described lithium battery and its protection circuit（5）Using charge management circuit of lithium-ion battery and its protection circuit with short circuit, overcharge, overdischarge and overheat protective function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610300247.4A CN107356865A (en) | 2016-05-09 | 2016-05-09 | A kind of Buchholz relay tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610300247.4A CN107356865A (en) | 2016-05-09 | 2016-05-09 | A kind of Buchholz relay tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107356865A true CN107356865A (en) | 2017-11-17 |
Family
ID=60270807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610300247.4A Pending CN107356865A (en) | 2016-05-09 | 2016-05-09 | A kind of Buchholz relay tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107356865A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07186935A (en) * | 1993-12-28 | 1995-07-25 | Nissan Motor Co Ltd | Control device for electric negative pressure pump |
| CN2773708Y (en) * | 2005-03-16 | 2006-04-19 | 长春供电公司电气安装试验中心 | Periodic inspection experimental device of gas relay |
| CN201034763Y (en) * | 2007-04-28 | 2008-03-12 | 郑州赛奥电子有限公司 | Gas-actuated relay calibration stand |
| CN101452052A (en) * | 2007-11-30 | 2009-06-10 | 上海市电力公司超高压输变电公司 | Gas relay calibration stand and calibration method thereof |
| CN202502219U (en) * | 2012-03-21 | 2012-10-24 | 上海市电力公司 | Calibration device for gas relay |
| CN103048614A (en) * | 2012-12-11 | 2013-04-17 | 上海市电力公司 | Portable type gas relay scene calibrator |
| CN203101593U (en) * | 2013-03-29 | 2013-07-31 | 国家电网公司 | Transformer light gas tester |
| CN103245909A (en) * | 2013-04-26 | 2013-08-14 | 国家电网公司 | Portable gas protection tester |
| CN204386640U (en) * | 2014-12-17 | 2015-06-10 | 张跃 | A kind of gas suction pump underrun alarm and power-failure protection device |
| CN204649929U (en) * | 2015-06-09 | 2015-09-16 | 国网辽宁省电力有限公司营口供电公司 | Miniature relay protection brake switch tester |
| CN205594138U (en) * | 2016-05-09 | 2016-09-21 | 国网辽宁省电力有限公司营口供电公司 | Gas relay test appearance |
-
2016
- 2016-05-09 CN CN201610300247.4A patent/CN107356865A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07186935A (en) * | 1993-12-28 | 1995-07-25 | Nissan Motor Co Ltd | Control device for electric negative pressure pump |
| CN2773708Y (en) * | 2005-03-16 | 2006-04-19 | 长春供电公司电气安装试验中心 | Periodic inspection experimental device of gas relay |
| CN201034763Y (en) * | 2007-04-28 | 2008-03-12 | 郑州赛奥电子有限公司 | Gas-actuated relay calibration stand |
| CN101452052A (en) * | 2007-11-30 | 2009-06-10 | 上海市电力公司超高压输变电公司 | Gas relay calibration stand and calibration method thereof |
| CN202502219U (en) * | 2012-03-21 | 2012-10-24 | 上海市电力公司 | Calibration device for gas relay |
| CN103048614A (en) * | 2012-12-11 | 2013-04-17 | 上海市电力公司 | Portable type gas relay scene calibrator |
| CN203101593U (en) * | 2013-03-29 | 2013-07-31 | 国家电网公司 | Transformer light gas tester |
| CN103245909A (en) * | 2013-04-26 | 2013-08-14 | 国家电网公司 | Portable gas protection tester |
| CN204386640U (en) * | 2014-12-17 | 2015-06-10 | 张跃 | A kind of gas suction pump underrun alarm and power-failure protection device |
| CN204649929U (en) * | 2015-06-09 | 2015-09-16 | 国网辽宁省电力有限公司营口供电公司 | Miniature relay protection brake switch tester |
| CN205594138U (en) * | 2016-05-09 | 2016-09-21 | 国网辽宁省电力有限公司营口供电公司 | Gas relay test appearance |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171117 |
|
| RJ01 | Rejection of invention patent application after publication |