CN206601473U - A kind of test device of microswitch - Google Patents
A kind of test device of microswitch Download PDFInfo
- Publication number
- CN206601473U CN206601473U CN201720152041.1U CN201720152041U CN206601473U CN 206601473 U CN206601473 U CN 206601473U CN 201720152041 U CN201720152041 U CN 201720152041U CN 206601473 U CN206601473 U CN 206601473U
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- Prior art keywords
- series circuit
- power supply
- led
- microswitch
- supply unit
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Abstract
The utility model discloses a kind of test device of microswitch, it is related to equipment detection field, the device includes power supply unit, test port and detection unit for connecting microswitch, detection unit includes the first series circuit, second series circuit and photoelectrical coupler, first series circuit includes the first LED 1, the input of first series circuit is connected with power supply unit, the output end of first series circuit is connected with one end of test port, the other end of test port is connected with power supply unit, second series circuit includes the second LED 2, the two ends of second series circuit are connected with power supply unit, the primary side of photoelectrical coupler connects the first series circuit, the secondary of photoelectrical coupler connects the second series circuit；When test port is in connected state, the first LED 1 is lighted, when test port is off, and the second LED 2 is lighted.The test device for the microswitch that the utility model is provided, reliability is high, simple to operate, easy to detect.
Description
Technical field
The utility model is related to equipment detection field, and in particular to a kind of test device of microswitch.
Background technology
At present, in order to which whether the microswitch on detection machine disk is good, it is necessary to which the machine for being provided with microswitch disk is inserted into
With being detected on supporting backboard machine frame, when the switch spanner key-lock of microswitch is tight, machine disk and backboard machine frame loop disconnect, when
When the switch push-key of microswitch unclamps, machine disk and the conducting of backboard machine frame loop, and then, examined by the disconnection or conducting in loop
Whether good survey microswitch.
But, on the one hand, above-mentioned detection method is, it is necessary to which backboard is powered, when detecting failure, it is also possible to be backboard
Power supply circuit breaks down, and causes the detection method reliability low；On the other hand, when being detected using backboard machine frame, it is necessary to
System software configuration is carried out to equipment, complex operation, detection difficulty is larger.
Utility model content
For defect present in prior art, the purpose of this utility model is the test dress for providing a kind of microswitch
Put, reliability is high, simple to operate, easy to detect.
To achieve the above objectives, the utility model is adopted the technical scheme that：
A kind of test device of microswitch, including：
Power supply unit；
Test port for connecting microswitch；
Detection unit, the detection unit includes the first series circuit, the second series circuit and photoelectrical coupler, described the
One series circuit includes the first LED 1, and the input of first series circuit is connected with power supply unit, described
The output end of first series circuit is connected with one end of test port, and the other end of the test port is connected with power supply unit,
Second series circuit includes the second LED 2, and the two ends of second series circuit are connected with power supply unit,
The primary side of the photoelectrical coupler connects first series circuit, and the secondary of the photoelectrical coupler connects the second series electrical
Road；
When the test port is in connected state, first LED 1 is lighted, at the test port
When off-state, second LED 2 is lighted.
On the basis of above-mentioned technical proposal, first series circuit also includes first resistor R1 and electric capacity C1, described
First resistor R1 one end is connected with the positive pole of power supply unit, the input of other end connection electric capacity C1 and photoelectrical coupler primary side,
The output end of the photoelectrical coupler primary side connects the positive pole of the first LED 1, first LED 1
Negative pole connection electric capacity C1 the other end and one end of test port, the other end of the test port and the negative pole of power supply unit
It is connected.
On the basis of above-mentioned technical proposal, second series circuit also includes electric capacity C2, load resistance R0 and second
Resistance R2, the electric capacity C2 and load resistance R0 is in parallel, and one end of the load resistance R0 connects the positive pole and light of power supply unit
The input of electric coupler secondary, the other end is connected with the positive pole of second LED 2, and described second luminous two
The output end of pole pipe LED2 negative pole connection photoelectrical coupler secondary and second resistance R2 one end, the second resistance R2's is another
One end connecting test port and the negative pole of power supply unit.
On the basis of above-mentioned technical proposal, the load resistance R0 is buzzer.
On the basis of above-mentioned technical proposal, first LED 1 is gallium phosphide diode, described second
LED 2 is gallium arsenide diode.
On the basis of above-mentioned technical proposal, said supply unit include power supply and on ＆ off switch, described on ＆ off switch one end with
Power supply is connected, and the other end connects the first series circuit and the second series circuit.
On the basis of above-mentioned technical proposal, the power supply is 9V batteries.
Compared with prior art, the utility model has the advantage of：
(1) test device in the utility model includes the test port of connection microswitch, is controlled by microswitch
The connection or disconnection of test port processed, if microswitch is normal, when microswitch is closed, test port connection, the first hair
Optical diode LED1 is lighted, when microswitch is opened, and test port disconnects, and the second LED 2 is lighted, otherwise, can
Judge that the microswitch is abnormal, reliability is high, simple to operate, easy to detect.
(2) power supply of the test device in the utility model is 9V batteries, on the one hand, does not need external power supply to power, makes
With more facilitating, have a wide range of application, on the other hand, make the operating voltage of the device low, it is safe and reliable.
Brief description of the drawings
Fig. 1 is the structural representation of the test device of microswitch in the utility model embodiment；
Fig. 2 is the schematic diagram of the test device of microswitch in the utility model embodiment.
Embodiment
Embodiment of the present utility model is described in further detail below in conjunction with accompanying drawing.
Shown in Figure 1, the utility model embodiment provides a kind of test device of microswitch, including：Power supply unit,
Test port and detection unit for connecting microswitch.
Detection unit includes the first series circuit, the second series circuit and photoelectrical coupler, and the first series circuit includes the
One LED 1, the input of the first series circuit is connected with power supply unit, the output end of the first series circuit and survey
The one end for trying port is connected, and the other end of test port is connected with power supply unit, and the second series circuit includes the second light-emitting diodes
Pipe LED2, the two ends of the second series circuit are connected with power supply unit, and the primary side of photoelectrical coupler connects the first series circuit, photoelectricity
The secondary of coupler connects the second series circuit.
Shown in Figure 2, the first series circuit also includes first resistor R1 and electric capacity C1, first resistor R1 one end and power supply
The positive pole of unit is connected, the input of other end connection electric capacity C1 and photoelectrical coupler primary side, the output of photoelectrical coupler primary side
The positive pole of the first LED 1 of end connection, the negative pole connection electric capacity C1 of the first LED 1 other end and survey
One end of port is tried, the other end of test port is connected with the negative pole of power supply unit.
Second series circuit also includes electric capacity C2, load resistance R0 and second resistance R2, and electric capacity C2 and load resistance R0 are simultaneously
Connection, the positive pole and the input of photoelectrical coupler secondary, the other end and the second hair of load resistance R0 one end connection power supply unit
Optical diode LED2 positive pole is connected, the output end of the negative pole connection photoelectrical coupler secondary of the second LED 2 and the
Two resistance R2 one end, second resistance R2 other end connecting test port and the negative pole of power supply unit.
In the present embodiment, photoelectrical coupler is 4N35 couplers, and load resistance R0 is buzzer.First light emitting diode
LED1 is gallium phosphide diode, can send green glow prompting, and the second LED 2 is gallium arsenide diode, can be sent
Feux rouges is pointed out.
Power supply unit includes power supply and on ＆ off switch, and on ＆ off switch one end is connected with power supply, and the other end connects the first series circuit
With the second series circuit, power supply is 9V batteries, on the one hand, do not need external power supply to power, use more facilitates, application
Extensively, on the other hand, make the operating voltage of the device low, it is safe and reliable.
Test port is connected to device box in vitro by CA cable assembly, can be according to microswitch connector to be measured, flexibly choosing
Select using supporting adapter connector, easy to connect reliable, flexibility is good.
Test device in the utility model controls the connection or disconnection of test port by microswitch, if fine motion is opened
Close normal, then when microswitch is closed, test port connection, the first LED 1 is lighted, and sends green glow prompting, when
When microswitch is opened, test port is disconnected, and the second LED 2 is lighted, and sends feux rouges prompting, and buzzer is sent
Alarm, otherwise, can determine whether that the microswitch is abnormal.The test device reliability is high, simple to operate, easy to detect.
The utility model is not only limited to above-mentioned preferred forms, and anyone can obtain under enlightenment of the present utility model
Go out other various forms of products, however, make any change in its shape or structure, it is every to have and the utility model phase
Same or close technical scheme, within its protection domain.
Claims (7)
1. a kind of test device of microswitch, it is characterised in that including：
Power supply unit；
Test port for connecting microswitch；
Detection unit, the detection unit includes the first series circuit, the second series circuit and photoelectrical coupler, first string
Joining circuit includes the first LED 1, and the input of first series circuit is connected with power supply unit, and described first
The output end of series circuit is connected with one end of test port, and the other end of the test port is connected with power supply unit, described
Second series circuit includes the second LED 2, and the two ends of second series circuit are connected with power supply unit, described
The primary side of photoelectrical coupler connects first series circuit, and the secondary of the photoelectrical coupler connects the second series circuit；
When the test port is in connected state, first LED 1 is lighted, and the test port is in disconnected
During open state, second LED 2 is lighted.
2. the test device of microswitch as claimed in claim 1, it is characterised in that：First series circuit also includes the
One resistance R1 and electric capacity C1, described first resistor R1 one end is connected with the positive pole of power supply unit, other end connection electric capacity C1 and light
The input of electric coupler primary side, the output end of the photoelectrical coupler primary side connects the positive pole of the first LED 1,
The negative pole connection electric capacity C1 of first LED 1 other end and one end of test port, the test port
The other end is connected with the negative pole of power supply unit.
3. the test device of microswitch as claimed in claim 2, it is characterised in that：Second series circuit also includes electricity
Hold C2, load resistance R0 and second resistance R2, the electric capacity C2 and load resistance R0 is in parallel, one end of the load resistance R0 connects
Connect the positive pole of power supply unit and the input of photoelectrical coupler secondary, the positive pole of the other end and second LED 2
It is connected, the output end of the negative pole connection photoelectrical coupler secondary of second LED 2 and the one of second resistance R2
End, the other end connecting test port of the second resistance R2 and the negative pole of power supply unit.
4. the test device of microswitch as claimed in claim 3, it is characterised in that：The load resistance R0 is buzzer.
5. the test device of microswitch as claimed in claim 4, it is characterised in that：First LED 1 is
Gallium phosphide diode, second LED 2 is gallium arsenide diode.
6. the test device of microswitch as claimed in claim 1, it is characterised in that：Said supply unit includes power supply and opened
Key, described on ＆ off switch one end is connected with power supply, and the other end connects the first series circuit and the second series circuit.
7. the test device of microswitch as claimed in claim 6, it is characterised in that：The power supply is 9V batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720152041.1U CN206601473U (en) | 2017-02-20 | 2017-02-20 | A kind of test device of microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720152041.1U CN206601473U (en) | 2017-02-20 | 2017-02-20 | A kind of test device of microswitch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206601473U true CN206601473U (en) | 2017-10-31 |
Family
ID=60147124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720152041.1U Active CN206601473U (en) | 2017-02-20 | 2017-02-20 | A kind of test device of microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206601473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108100303A (en) * | 2017-12-20 | 2018-06-01 | 贵州航天电子科技有限公司 | A kind of insurance detection circuit |
-
2017
- 2017-02-20 CN CN201720152041.1U patent/CN206601473U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108100303A (en) * | 2017-12-20 | 2018-06-01 | 贵州航天电子科技有限公司 | A kind of insurance detection circuit |
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