CN205450138U - Air conditioner component detector - Google Patents
Air conditioner component detector Download PDFInfo
- Publication number
- CN205450138U CN205450138U CN201521115326.5U CN201521115326U CN205450138U CN 205450138 U CN205450138 U CN 205450138U CN 201521115326 U CN201521115326 U CN 201521115326U CN 205450138 U CN205450138 U CN 205450138U
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- chip
- power supply
- grafting block
- detector unit
- detection grafting
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- 238000001514 detection method Methods 0.000 claims description 83
- 238000012360 testing method Methods 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 230000001012 protector Effects 0.000 claims description 3
- 238000003556 assay Methods 0.000 abstract 2
- 230000005611 electricity Effects 0.000 abstract 2
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses an air conditioner component detector, include current switchover unit, driver chip detecting element, power supply chip detecting element, three terminal regulator detecting element and the voltmeter be connected with the power, driver chip detecting element, power supply chip detecting element and three terminal regulator detecting element are connected with current switchover unit electricity respectively, power chip assay unit and three terminal regulator detecting element pass through select switch and are connected with voltmeter electricity, perhaps power chip assay unit and three terminal regulator detecting element respectively connect a voltmeter, the advantage lies in having designed and is arranged in simulating driver chip, power supply chip and three terminal regulator at air conditioner operating environment to add the operating voltage that the voltmeter detected power supply chip and three terminal regulator, thus the judging driver chip, power supply chip and three terminal regulator and whether can normally work of accuracy.
Description
Technical field
This utility model relates to a kind of detecting instrument, especially relates to a kind of air-conditioner element testing instrument.
Background technology
Air-conditioner is mainly run by the control of the driving chip on control circuit plate and power supply chip, then needs three terminal regulator steady voltage in circuit running.The damage of air-conditioner is often as what voltage instability caused, is typically caused by the damage of driving chip, power supply chip or three kinds of electronic devices and components of three terminal regulator.In existing air-conditioner repair, can only be difficult to find concrete reason by the short circuit of universal meter testing circuit or open circuit, it is impossible to judge whether driving chip, power supply chip and three terminal regulator can normally work, bring a lot of inconvenience to the maintenance of air-conditioner.
Utility model content
Technical problem to be solved in the utility model is to provide and a kind of can detect the air-conditioner element testing instrument that driving chip, power supply chip and three terminal regulator the most normally work.
The technical scheme that the above-mentioned technical problem of this utility model solution is used is: a kind of air-conditioner element testing instrument, including the current conversion unit being connected with power supply, driving chip detector unit, power supply chip detector unit, three terminal regulator detector unit and voltmeter；Described driving chip detector unit, power supply chip detector unit and three terminal regulator detector unit electrically connect with current conversion unit respectively；Described power supply chip detector unit and three terminal regulator detector unit are by selecting switch to electrically connect with a voltmeter, or described power supply chip detector unit and three terminal regulator detector unit respectively connect a voltmeter.
As preferably, described current conversion unit includes the AC-DC change-over circuit being connected with power supply and the switching mode power supply transformer with 5V, 12V, 15V outfan；Described driving chip detector unit includes the time relay, driving chip detection grafting block and 7 display lamps being connected with power supply；The described time relay electrically connects with AC-DC change-over circuit, switching mode power supply transformer 12V outfan and driving chip detection grafting block respectively, and described driving chip detection grafting block electrically connects with switching mode power supply transformer 12V outfan and 7 display lamps respectively.Controlled the circuit conversion of driving chip by the time relay, the situation that highlights of 7 display lamps can interpolate that out whether the various function of driving chip can be properly functioning.
As preferably, described three terminal regulator detector unit includes the 1117 three terminal regulator detection grafting blocks that the 7805 three terminal regulator detection grafting blocks that the 7812 three terminal regulator detection grafting blocks being connected with switching mode power supply transformer 15V outfan are connected are connected with switching mode power supply transformer 5V outfan with switching mode power supply transformer 12V outfan；Described 7812 three terminal regulator detection grafting blocks, 7805 three terminal regulator detection grafting blocks and 1117 three terminal regulators detection grafting block are respectively by selecting switch to electrically connect with voltmeter.
As preferably, described power supply chip detector unit includes the 22A chip detection grafting block that is connected with AC-DC change-over circuit and 22A chip periphery circuit, 161 chip detection grafting blocks and 161 chip periphery circuit, 177 chip detection grafting blocks and 177 chip periphery circuit and 278 chip detection grafting blocks and 278N chip periphery circuit, and four choosing switches；Described 22A chip detection grafting block, 161 chip detection grafting blocks, 177 chip detection grafting blocks and 278N chip detection grafting block are electrically connected with voltmeter by four choosing switches and selection switch respectively.
Compared with prior art, the utility model has the advantage of and devise for analog-driven chip, power supply chip and three terminal regulator running environment in air-conditioner, and be additionally arranged voltmeter detection power supply chip and the running voltage of three terminal regulator, thus judge whether driving chip, power supply chip and three terminal regulator can normally work accurately.
As improvement, the described time relay, driving chip detection grafting block, 7 display lamps, 22A chip detection grafting block, 161 chip detection grafting blocks, 177 chip detection grafting blocks, 278N chip detection grafting block, four choosing switches, 7812 three terminal regulator detection grafting blocks, 7805 three terminal regulators detect grafting blocks, 1117 three terminal regulator detection grafting blocks, select switch and voltmeter to be arranged on the same side of detector housing.
As improvement, the circuit that described AC-DC change-over circuit and the time relay are connected with power supply is provided with overcurrent protector.
As improvement, also including that display lamp detects inserted block, described 7 display lamps are plugged on display lamp detection inserted block.
As improvement, also include that relay contact adhesion detector unit, described relay contact adhesion detector unit electrically connect with current conversion unit.
As preferably, described relay contact adhesion detector unit includes the 20A relay test inserted block that is connected with switching mode power supply transformer 12V outfan and state display lamp thereof and 5A-10A relay test inserted block and state display lamp thereof.
Accompanying drawing explanation
Fig. 1 is axonometric chart of the present utility model.
Fig. 2 is circuit block diagram of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
Originally it is preferable to carry out such as Fig. 1 to 2 and show a kind of air-conditioner element testing instrument, including the current conversion unit 1 being connected with power supply, driving chip detector unit 2, power supply chip detector unit 3, three terminal regulator detector unit 4 and voltmeter 5；Driving chip detector unit 2, power supply chip detector unit 3 and three terminal regulator detector unit 4 electrically connect with current conversion unit 1 respectively；Power supply chip detector unit 3 and three terminal regulator detector unit 4 are by selecting switch 6 to electrically connect with a voltmeter 5, or power supply chip detector unit 3 and three terminal regulator detector unit 4 respectively connect a voltmeter 5.
In the present embodiment, current conversion unit 1 includes the AC-DC change-over circuit 11 being connected with power supply and the switching mode power supply transformer 12 with 5V, 12V, 15V outfan；Driving chip detector unit 2 includes the time relay 21, driving chip detection grafting block 22 and 7 display lamps 24 being connected with power supply；The time relay 21 electrically connects with AC-DC change-over circuit 11, switching mode power supply transformer 12V outfan and driving chip detection grafting block 22 respectively, and driving chip detection grafting block 22 electrically connects with switching mode power supply transformer 12V outfan and 7 display lamps 24 respectively.Wherein, driving chip detection grafting block 22 is 2003 driving chip sockets, it is also possible to be replaced by other driving chip sockets.It addition, also include that display lamp detection 23,7 display lamps 24 of inserted block are plugged on display lamp detection inserted block 23, can whether can normally work by inverse detection display lamp 24.
Three terminal regulator detector unit 4 includes the 1117 three terminal regulator detection grafting blocks 43 that the 7805 three terminal regulator detection grafting blocks 42 that the 7812 three terminal regulator detection grafting blocks 41 being connected with switching mode power supply transformer 15V outfan are connected are connected with switching mode power supply transformer 5V outfan with switching mode power supply transformer 12V outfan；7812 three terminal regulator detection grafting block 41,7805 three terminal regulator detection grafting block 42 and 1117 three terminal regulator detection grafting blocks 43 are respectively by selecting switch 6 to electrically connect with voltmeter 5.Wherein, the normal output voltage of 7812 three terminal regulators is 12V, and the normal output voltage of 7805 three terminal regulators is 5V, and the normal output voltage of 1117 three terminal regulators is 3.3V.
Power supply chip detector unit 3 includes 22A chip detection grafting block 32 and 22A chip periphery circuit 31,161 chip detection grafting block 34 and 161 chip periphery circuit 33,177 chip detection grafting block 36 and 177 chip periphery circuit 35 and 278 chip detection grafting the block 38 and 278N chip periphery circuit 37 being connected with AC-DC change-over circuit 11, and four select switch 39；22A chip detection grafting block 32,161 chip detection grafting block 34,177 chip detection grafting block 36 and 278N chip detection grafting block 38 is electrically connected with voltmeter 5 by four choosing switches 39 and selection switch 6 respectively.The normal working voltage of power supply chip is 15V.
The time relay 21, driving chip detection 22,7 display lamps 24 of grafting block, 22A chip detection grafting block 32,161 chip detection grafting block 34,177 chip detection grafting block 36,278N chip detection grafting block 38, four select switch 39,7812 three terminal regulator detection grafting block 41,7805 three terminal regulator detection grafting block 42,1117 three terminal regulator detection grafting block 43, select switch 6 and voltmeter 5 to be arranged on the same side of detector housing；Global design neat and tidy, is also convenient for operation.Wherein, voltmeter 5 is digital display voltmeter.
Also include that relay contact adhesion detector unit 7, relay contact adhesion detector unit 7 electrically connect with the 12V outfan of switching mode power supply transformer 12.Relay contact adhesion detector unit 7 includes 20A relay test inserted block 71 and state display lamp thereof and 5A-10A relay test inserted block 72 and state display lamp thereof, the right-hand member of relay test inserted block is provided with the contact folder closed up, can judge that relay coil is the most normal by the sound sent in relay coil insertion process, then the most normal by state display lamp detection relay contact.Relay is for preventing the impact of big electric current, it is possible to the protection important electronic device such as driving chip and power supply chip, and the normal work of relay ensure that the minimum damage of air-conditioner.
The circuit that AC-DC change-over circuit 11 and the time relay 21 are connected with power supply is provided with overcurrent protector 8, prevents owing to the short circuit caused after inserting driving chip, display lamp, power supply chip, three terminal regulator or the relay damaged causes the damage of detector.
Claims (9)
1. an air-conditioner element testing instrument, it is characterised in that: include current conversion unit (1), driving chip detector unit (2), power supply chip detector unit (3), three terminal regulator detector unit (4) and the voltmeter (5) being connected with power supply；Described driving chip detector unit (2), power supply chip detector unit (3) and three terminal regulator detector unit (4) electrically connect with current conversion unit (1) respectively；Described power supply chip detector unit (3) and three terminal regulator detector unit (4) are by selecting switch (6) to electrically connect with a voltmeter (5), or described power supply chip detector unit (3) and three terminal regulator detector unit (4) respectively connect a voltmeter (5).
Air-conditioner element testing instrument the most according to claim 1, it is characterised in that: described current conversion unit (1) includes the AC-DC change-over circuit (11) being connected with power supply and the switching mode power supply transformer (12) with 5V, 12V, 15V outfan；Described driving chip detector unit (2) includes the time relay (21), driving chip detection grafting block (22) and 7 display lamps (24) being connected with power supply；The described time relay (21) electrically connects with AC-DC change-over circuit (11), switching mode power supply transformer (12) 12V outfan and driving chip detection grafting block (22) respectively, and described driving chip detection grafting block (22) electrically connects with switching mode power supply transformer (12) 12V outfan and 7 display lamps (24) respectively.
Air-conditioner element testing instrument the most according to claim 2, it is characterised in that: described three terminal regulator detector unit (4) includes 1117 three terminal regulators detection grafting block (43) that 7805 three terminal regulators detection grafting block (42) that 7812 three terminal regulators detection grafting block (41) being connected with switching mode power supply transformer (12) 15V outfan are connected are connected with switching mode power supply transformer (12) 5V outfan with switching mode power supply transformer (12) 12V outfan；Described 7812 three terminal regulators detection grafting block (41), 7805 three terminal regulators detection grafting block (42) and 1117 three terminal regulators detection grafting block (43) are respectively by selecting switch (6) to electrically connect with voltmeter (5).
4. according to the air-conditioner element testing instrument described in Claims 2 or 3, it is characterized in that: described power supply chip detector unit (3) includes 22A chip detection grafting block (32) that is connected with AC-DC change-over circuit (11) and 22A chip periphery circuit (31), 161 chip detection grafting block (34) and 161 chip periphery circuit (33), 177 chip detection grafting block (36) and 177 chip periphery circuit (35) and 278 chip detection grafting block (38) and 278N chip periphery circuit (37), and four choosings switch (39)；Described 22A chip detection grafting block (32), 161 chip detection grafting block (34), 177 chip detection grafting block (36) and 278N chip detection grafting block (38) are electrically connected with voltmeter (5) by four choosings switch (39) and selection switch (6) respectively.
Air-conditioner element testing instrument the most according to claim 4, it is characterized in that: the described time relay (21), driving chip detection grafting block (22), 7 display lamps (24), 22A chip detection grafting block (32), 161 chip detection grafting block (34), 177 chip detection grafting block (36), 278N chip detection grafting block (38), four choosings switch (39), 7812 three terminal regulators detection grafting block (41), 7805 three terminal regulators detection grafting block (42), 1117 three terminal regulators detection grafting block (43), switch (6) and voltmeter (5) is selected to be arranged on the same side of detector housing.
Air-conditioner element testing instrument the most according to claim 2, it is characterised in that: the circuit that described AC-DC change-over circuit (11) and the time relay (21) are connected with power supply is provided with overcurrent protector (8).
Air-conditioner element testing instrument the most according to claim 2, it is characterised in that: also including display lamp detection inserted block (23), described 7 display lamps (24) are plugged on display lamp detection inserted block (23).
Air-conditioner element testing instrument the most according to claim 1, it is characterized in that: also include that relay contact adhesion detector unit (7), described relay contact adhesion detector unit (7) electrically connect with current conversion unit (1).
Air-conditioner element testing instrument the most according to claim 8, it is characterised in that: described relay contact adhesion detector unit (7) includes 20A relay test inserted block (71) that is connected with switching mode power supply transformer (12) 12V outfan and state display lamp thereof and 5A-10A relay test inserted block (72) and state display lamp thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521115326.5U CN205450138U (en) | 2015-12-28 | 2015-12-28 | Air conditioner component detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521115326.5U CN205450138U (en) | 2015-12-28 | 2015-12-28 | Air conditioner component detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205450138U true CN205450138U (en) | 2016-08-10 |
Family
ID=56573272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521115326.5U Active CN205450138U (en) | 2015-12-28 | 2015-12-28 | Air conditioner component detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205450138U (en) |
-
2015
- 2015-12-28 CN CN201521115326.5U patent/CN205450138U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170428 Address after: 315191 Yinzhou District Province, Ningbo City, Jiang Shan town on the village of summer ho Patentee after: AUX air conditioning Limited by Share Ltd Address before: 315191 Zhejiang city of Ningbo province Jiangshan town Yinzhou District Mingguang Road No. 1166 Patentee before: Ningbo AUX Group. |
|
| TR01 | Transfer of patent right |