CN206710526U - A kind of short-circuit protection diagnostic equipment - Google Patents
A kind of short-circuit protection diagnostic equipment Download PDFInfo
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- CN206710526U CN206710526U CN201720393872.8U CN201720393872U CN206710526U CN 206710526 U CN206710526 U CN 206710526U CN 201720393872 U CN201720393872 U CN 201720393872U CN 206710526 U CN206710526 U CN 206710526U
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- direct current
- casing
- short
- switch
- emergency stop
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Abstract
The utility model discloses a kind of short-circuit protection diagnostic equipment, including casing and chamber door, it is hinged between the casing and chamber door, the front top of the chamber door is provided with the position switch of direct current two, direct current emergency stop switch, door lock assembly, exchange emergency stop switch and exchange two position switch, the position switch of direct current two, direct current emergency stop switch, door lock assembly, exchange emergency stop switch is set gradually from left to right with two position switch are exchanged, the top of the casing is sequentially provided with power supply indicator from left to right, power on switch and power supply scram button, the casing side is also associated with plug, rectifier bridge is installed on the left of the casing inner top, the rectification pars basilaris pontis is provided with bulb, the number of the bulb is two, wired row's body is installed on the right side of the rectifier bridge, the line row body bottom portion is sequentially provided with relay from left to right, transformer and voltage-stabilized power supply.Simple in construction, easy to use, effect is preferable, and safety and reliability is high.
Description
Technical field
The present invention relates to short-circuit protection technical field, more particularly to a kind of short-circuit protection diagnostic equipment.
Background technology
Some short-circuit electrical equipment, due to do not know be what reason failure, will be inserted on power supply test, see
Examine, it is easy to cause what general supply tripped.Faulty electrical equipment is first connected on a kind of instrument, tentative diagnosis failure cause, together
When play protection general supply again, avoid electrical short-circuit and trip.The internal circuit component of some electrical equipment is inconvenient to use universal meter
Direct measurement, particularly in tentative diagnosis, such as truly there is such a instrument to detect, it is greatly convenient to bring.Short circuit
It is the supplementary instrument equipment of a kind of tentative diagnosis and circuit protection in electrical equipment repair procedures to protect diagnostic equipment, and electrical equipment, which is repaired, to be had
Substantial meaning, detection, judgement and protection of repairman etc. can be facilitated to act on.
Short-circuit protection equipment sentence of the prior art has a significant limitation, high current can be produced during electrical short-circuit, it is necessary to
These energy are discharged, whole power circuit and electrical equipment itself could be protected well, prior art is difficult to meet people's need
Ask.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of short-circuit protection proposed diagnoses
Instrument.
To achieve these goals, present invention employs following technical scheme：A kind of short-circuit protection diagnostic equipment, including casing
And chamber door, it is hinged between the casing and chamber door, the front top of the chamber door is opened provided with the position switch of direct current two, direct current jerk
Pass, door lock assembly, exchange emergency stop switch and exchange two position switch, the position switch of direct current two, direct current emergency stop switch, door lock group
Part, exchange emergency stop switch are set gradually from left to right with two position switch are exchanged, and the top of the casing is sequentially provided with from left to right
Power supply indicator, power on switch and power supply scram button, the front of the chamber door are additionally provided with direct current jack and inserted with exchanging
Seat, direct current jack and the AC socket top are correspondingly provided with universal meter body, and the casing side is also associated with plug, institute
State and rectifier bridge is installed on the left of casing inner top, the rectification pars basilaris pontis is provided with bulb, and the number of the bulb is two, institute
State and wired row's body is installed on the right side of rectifier bridge, the line row body bottom portion is sequentially provided with relay, transformer and steady from left to right
Voltage source.
Preferably, a Three-hole socket is included on the direct current jack, includes a Three-hole socket on the AC socket
With two spring hole scokets.
Preferably, the positive middle part of the chamber door is additionally provided with dangerous alarming sign.
Preferably, the bottom half is provided with heat emission hole, and the heat emission hole equidistantly distributes.
Preferably, the rated voltage of the voltage-stabilized power supply is 24V.
A kind of short-circuit protection diagnostic equipment provided by the invention, compared with prior art, 1. short-circuit protection diagnostic equipment collectors
Short-circuit protection, tracing trouble, display working condition function are one for electrical maintenance instrument in the practical detection device of one
Kind supplement；2. electrical equipment occurs short-circuit, released energy using the method for bulb current limliting, mode is simple, positive effect, watcher
Just, it is easy to judge；The safety of whole circuit can be more importantly protected well, avoid the occurrence of unexpected trip phenomenon；Though 3.
Right universal meter can accurately measuring circuit component quality, it is but undetectable on the integrated because integrated circuit
Stitch is too many.Each measurement, loses time very much, therefore, short-circuit protection diagnostic equipment can aid in universal meter tentative diagnosis electrical equipment
Failure cause, be its further detection determine direction, can rapidly, accurately find trouble point, improve maintenance efficiency；4.
Short-circuit protection diagnostic equipment, it is made using some conventional components, low manufacture cost, operation principle science is simple in construction,
Easy to use, effect is preferable, and safety and reliability is high, is the short-circuit detecting instrument that electrical equipment repair shop is more satisfactory, practical.
Brief description of the drawings
Fig. 1 is a kind of structural representation of short-circuit protection diagnostic equipment of the present invention；
Fig. 2 is a kind of internal structure schematic diagram of short-circuit protection diagnostic equipment of the present invention.
In figure：1 casing, 2 chamber doors, the position switch of 3 direct current two, 4 direct current emergency stop switch, 5 door lock assemblies, 6 exchange emergency stop switch,
7 exchange two position switch, 8 power supply indicators, 9 power on switch, 10 power supply scram buttons, 11 direct current jacks, 12 AC sockets,
13 universal meter bodies, 14 plugs, 15 rectifier bridges, 16 bulbs, 17 lines row body, 18 relays, 19 transformers, 20 voltage-stabilized power supplies,
21 heat emission holes.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with specific embodiment, to this
Invention is further elaborated.The specific embodiments described herein are merely illustrative of the present invention, is not used to limit
The present invention.
The invention provides a kind of short-circuit protection diagnostic equipment as shown in Figure 1-2, including casing 1 and chamber door 2, the casing
It is hinged between 1 and chamber door 2, the front top of the chamber door 2 is provided with the position switch 3 of direct current two, direct current emergency stop switch 4, door lock assembly
5th, exchange emergency stop switch 6 and exchange two position switch 7, the position switch 3 of direct current two, direct current emergency stop switch 4, door lock assembly 5, exchange
Emergency stop switch 6 is set gradually from left to right with two position switch 7 are exchanged, and the top of the casing 1 is sequentially provided with power supply from left to right
Indicator lamp 8, power on switch 9 and power supply scram button 10, the front of the chamber door 2 are additionally provided with direct current jack 11 and exchanged
Socket 12, the top of direct current jack 11 and AC socket 12 are correspondingly provided with universal meter body 13, and the side of casing 1 also connects
Plug 14 is connected to, rectifier bridge 15 is installed on the left of the inner top of casing 1, the bottom of rectifier bridge 15 is provided with bulb 16, institute
The number for stating bulb 16 is two, and wired row's body 17 is installed on the right side of rectifier bridge 15, and the line arranges the bottom of body 17 from a left side
Relay 18, transformer 19 and voltage-stabilized power supply 20 are sequentially provided with to the right side, includes a Three-hole socket, institute on the direct current jack 11
Stating includes a Three-hole socket and two spring hole scokets on AC socket 12, the 2 positive middle part of chamber door is additionally provided with dangerous police
Indicating is known, and the bottom of casing 1 is provided with heat emission hole 21, and the heat emission hole 21 equidistantly distributes, the specified electricity of the voltage-stabilized power supply
Press as 24V.
During electrical short-circuit, play a part of the whole circuit of protection, by observing bright 16 dark degree of bulb, preliminary failure judgement
Point, observation voltmeter, ammeter, it can constantly know voltage, the current value of circuit, assist decision circuitry situation, operation principle：
Plug 14 connects circuit, turns on the power starting switch, whole instrument is powered, and the instrument is exactly a common power-on circuit,
Wiring board is typically direct current, access direct current jack 11, be connected to trouble-free wiring board on instrument, can normal work, and
Bulb 16 will not be bright, and voltmeter and ammeter then show the working condition of current circuit, and the wiring board for having short circuit is connected to instrument
On, switch is opened, bulb 16 is light, but brightness is not high, and bulb 16 serves metering function, electric caused by wiring board short circuit
Stream consumes it by the illumination of bulb 16, and trip phenomenon does not occur in whole power circuit, and the instrument plays short circuit
Protective effect, voltmeter show that magnitude of voltage is 220 volts, are that way circuit voltage is constant, so, short-circuit protection diagnostic equipment is to this
General supply circuit serves the effect of being effectively protected, while voltmeter, ammeter show the working condition of protection circuit, can be with
Tentative diagnosis goes out electrical equipment and short circuit phenomenon occurs, such a simply detected artifacts, repairman can be helped to have electrical equipment individual
Preliminary breakdown judge, necessarily convenient is provided for its repairing.
Particularly in the maintenance of electromagnetic oven, its advantage can be significantly shown.Before electromagnetic oven maintenance, it is linked into short
It on road protection diagnostic equipment, can prevent electromagnetic oven from causing unnecessary damage, while observe the luminous situation of bulb 16, can be preliminary
Conclude trouble location：1. bulb 16 is just bright on, illustrates that electromagnetic oven major loop has short circuit phenomenon.2. bulb 16 does not work on, electricity
Magnetic stove sends a sound of " BI "（Upper electricity is normal）, but bulb 16 is grown bright when beginning to warm up, and illustrates that synchronous circuit or oscillating circuit have
Failure.After preliminary failure judgement, then electric appliance casing universal meter detection internal component is opened, be so more directed to for maintenance
Property, improve the accuracy and maintenance efficiency of repairing.
In summary, compared with prior art：1. short-circuit protection diagnostic equipment collector short-circuit protection, tracing trouble, display
Working condition function is a kind of supplement for electrical maintenance instrument in the practical detection device of one；2. there is short circuit in electrical equipment
When, released energy using the method for the current limliting of bulb 16, mode is simple, positive effect, and observation is convenient, is easy to judge；It is prior
It is the safety that can protect whole circuit well, avoids the occurrence of unexpected trip phenomenon；3. although universal meter can be surveyed accurately
Circuit components quality is measured, but it is undetectable on the integrated, because integrated circuit stitch is too many.Each to survey
Amount, loses time very much, therefore, short-circuit protection diagnostic equipment can aid in the failure cause of universal meter tentative diagnosis electrical equipment, enter for it
One step detection determine direction, can rapidly, accurately find trouble point, improve maintenance efficiency；4. short-circuit protection diagnostic equipment, is adopted
It is made with some conventional components, low manufacture cost, operation principle science is simple in construction, easy to use, effect reason
Think, safety and reliability is high, is the short-circuit detecting instrument that electrical equipment repair shop is more satisfactory, practical.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of short-circuit protection diagnostic equipment, including casing（1）And chamber door（2）, it is characterised in that：The casing（1）And chamber door（2）
Between be hinged, the chamber door（2）Front top be provided with the position switch of direct current two（3）, direct current emergency stop switch（4）, door lock assembly
（5）, exchange emergency stop switch（6）With exchange two position switch（7）, the position switch of direct current two（3）, direct current emergency stop switch（4）, door lock
Component（5）, exchange emergency stop switch（6）With exchange two position switch（7）Set gradually from left to right, the casing（1）Top from
Left-to-right is sequentially provided with power supply indicator（8）, power on switch（9）With power supply scram button（10）, the chamber door（2）'s
Front is additionally provided with direct current jack（11）And AC socket（12）, the direct current jack（11）And AC socket（12）Top is corresponding
Provided with universal meter body（13）, the casing（1）Side is also associated with plug（14）, the casing（1）Installed on the left of inner top
There is rectifier bridge（15）, the rectifier bridge（15）Bottom is provided with bulb（16）, the bulb（16）Number be two, it is described whole
Flow bridge（15）Right side is installed by wired row's body（17）, the line row body（17）Bottom is sequentially provided with relay from left to right
（18）, transformer（19）And voltage-stabilized power supply（20）.
A kind of 2. short-circuit protection diagnostic equipment according to claim 1, it is characterised in that：The direct current jack（11）Upper bag
Include a Three-hole socket, the AC socket（12）It is upper to include a Three-hole socket and two spring hole scokets.
A kind of 3. short-circuit protection diagnostic equipment according to claim 1, it is characterised in that：The chamber door（2）Positive middle part
It is additionally provided with dangerous alarming sign.
A kind of 4. short-circuit protection diagnostic equipment according to claim 1, it is characterised in that：The casing（1）Bottom, which is provided with, to be dissipated
Hot hole（21）, the heat emission hole（21）Equidistantly distribute.
A kind of 5. short-circuit protection diagnostic equipment according to claim 1, it is characterised in that：The voltage-stabilized power supply（20）It is specified
Voltage is 24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720393872.8U CN206710526U (en) | 2017-04-15 | 2017-04-15 | A kind of short-circuit protection diagnostic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720393872.8U CN206710526U (en) | 2017-04-15 | 2017-04-15 | A kind of short-circuit protection diagnostic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206710526U true CN206710526U (en) | 2017-12-05 |
Family
ID=60456204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720393872.8U Expired - Fee Related CN206710526U (en) | 2017-04-15 | 2017-04-15 | A kind of short-circuit protection diagnostic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206710526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918761A (en) * | 2017-04-15 | 2017-07-04 | 三门县职业中等专业学校 | A kind of short-circuit protection diagnostic equipment |
-
2017
- 2017-04-15 CN CN201720393872.8U patent/CN206710526U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106918761A (en) * | 2017-04-15 | 2017-07-04 | 三门县职业中等专业学校 | A kind of short-circuit protection diagnostic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20180415 |