CN205958678U - Contactor test equipment - Google Patents
Contactor test equipment Download PDFInfo
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- CN205958678U CN205958678U CN201620992334.6U CN201620992334U CN205958678U CN 205958678 U CN205958678 U CN 205958678U CN 201620992334 U CN201620992334 U CN 201620992334U CN 205958678 U CN205958678 U CN 205958678U
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Abstract
The utility model relates to a contactor test equipment, including equipment principal, the equipment principal upside is provided with control panel, and control panel is last to be provided with a plurality of test interfaces, equipment principal is inside to be provided with the voltage acquisition circuit, and the voltage acquisition circuit includes input port, load select switch, load selection circuit and output port, input port voltage acquisition 0 select switch, and load select switch's first link voltage acquisition 0 selection circuit, output port is connected to the second link, and load selection circuit connects output port, load selection circuit includes three mutual parallel connection's resistance, and every series resistance connects a resistive switching. The utility model discloses a contactor test equipment can satisfy contactor test requirement to be tested it, selects corresponding load through load selection circuit, and then monitors the interpretation to test equipment operating voltage, the voltage control scope 0 30V, easy operation, convenient to use reduces technical staff's intensity of labour.
Description
Technical field
This utility model is related to aeronautical maintenance field, more particularly, to a kind of catalyst test equipment.
Background technology
Aviation catalyst is the higher electrical control class components and parts of utilization rate in flight sequencing product, in aircraft distribution
Circuit distribution and the effect controlling is played in system.Distribution system department enclosure product carries out, in maintenance process, needing to such control
The electric property of components and parts processed is detected, tends not to meet relay, the measuring accuracy of catalyst requires, after giving during test
Continuous use brings a lot of inconvenience.
It is therefore desirable to designing a kind of catalyst test equipment, to overcome the problems referred to above.
Utility model content
The purpose of this utility model is to overcome the defect of prior art, there is provided one kind can meet catalyst measuring accuracy
The catalyst test equipment requiring.
This utility model is realized in：
This utility model provides a kind of catalyst test equipment, including equipment body, is provided with control on the upside of equipment body
Panel, control panel is provided with multiple test interfaces, and test interface connects catalyst；Equipment body is internally provided with voltage and adopts
Collection circuit, voltage acquisition circuit includes input port, load selector switch, load selection circuit and output port, input port
Connect load selector switch, the first connection end of load selector switch connects load selection circuit, and the second connection end connects output
Port, load selection circuit connects output port；Load selection circuit includes three resistance being connected in parallel with each other, each resistance
It is connected in series a resistance switch.
Further, input port connects power supply unit.
Further, power supply unit provides the supply voltage of 0-30V, and output port exports 0-30V voltage.
Further, equipment body connects voltmeter.
Further, control panel is additionally provided with the display lamp with voltage acquisition connection, when voltage is less than setting value
Display green, shows redness when voltage is higher than setting value.
Further, load selector switch and resistance switch are single-pole single-throw switch (SPST).
Further, the resistance of three resistance is respectively 0.5 Ω, 1.5 Ω and 0.5 Ω.
This utility model has the advantages that：
Catalyst test equipment of the present utility model can meet catalyst test request and it is tested, and is selected by load
Select circuit and select respective load, and then test equipment running voltage is monitored with interpretation, voltage regulation limits 0-30V, operation
Simply, easy to use, reduce the labor intensity of technical staff.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of voltage acquisition layout of catalyst test equipment that this utility model provides；
Fig. 2 is a kind of structural representation of catalyst test equipment that this utility model provides.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
As Fig. 1 and Fig. 2, catalyst test equipment of the present utility model, including equipment body 1.Equipment body 1 upside setting
There is control panel 2, control panel 2 is provided with multiple test interfaces 21, test interface 21 connects catalyst, for receiving relay
The feedback signal of device, realizes the detection to relay.
Equipment body 1 is internally provided with voltage acquisition circuit, and voltage acquisition circuit includes input port 3, load selection is opened
Close 4, load selection circuit 5 and output port 6, input port 3 connects load selector switch 4, the first of load selector switch 4 connects
Connect end and connect load selection circuit 5, the second connection end connects output port 6, load selection circuit 5 connects output port 6, load
Selection circuit 5 includes three resistance being connected in parallel with each other, and each resistant series connects a resistance switch, forms load and selects
Three branch roads of circuit 5.Tie point is in series with resistance switch K1 by resistance R1, and after series connection, two ends of circuit are connected to load
In selecting switch 4 and output port 6；Second routing resistance R2 is in series with resistance switch K3, the two ends of circuit after series connection
It is connected on load selector switch 4 and output port 6；3rd routing resistance R3 is in series with resistance switch K3, electricity after series connection
Two ends on road are connected on load selector switch 4 and output port 6.Load selector switch 4 and three resistance switch are hilted broadsword list
Throw switch, the resistance of three resistance is respectively 0.5 Ω, 1.5 Ω and 0.5 Ω, and each resistance switch controls the break-make of each resistance,
When connecting one of switch, the electricity of the resistance that the load respective value of applying is in series with the resistance switch of this connection in circuit
Resistance is equally big.Need to change during load it is only necessary to connecting different resistance switch or being also turned on several switches
Can, when connecting multiple switch, corresponding load value is consistent with the resistance value after the resistor coupled in parallel in the circuit being switched on.Pass through
This mode completes high-low voltage conversion, easy to use.
Input port 3 connects power supply unit, and power supply unit provides the supply voltage of 0-30V, and output port 6 exports 0-30V
Voltage, to meet the power reguirements of Devices to test.
Equipment body 1 connects voltmeter, is easy to during work be selected and interpretation, and different voltage gears is by difference
Voltmeter show, high voltage shelves show high-tension range of readings, low-voltage shelves show the range of readings of low-voltage.Chain of command
Plate 2 is additionally provided with the display lamp 22 with voltage acquisition connection, shows green when voltage is less than setting value, is higher than to set in voltage
Show redness during definite value, express out by test mode by display lamp 22, easily allow tester know current test feelings
Condition.
During use, first as requested equipment to be tested is connected on relay test set, in 0～30V voltage acquisition line
Load selector switch 4 and load selection circuit 5 are increased on road, first pass through load selector switch 4 and outlet line is selected,
Default conditions are original output state of equipment；On-state is to select loaded line, by different resistance switch to circuit
Apply different loads, after selecting respective load, make original 0～30V DC voltage select circuit again by output port 6 through load
Output, is tested in the case of different loads by this device under test and is carried out interpretation.
In sum, catalyst test equipment of the present utility model can meet catalyst test request and it is tested,
Select respective load by loading selection circuit, and then interpretation, voltage regulation limits are monitored to test equipment running voltage
0-30V, simple to operate, easy to use, reduce the labor intensity of technical staff.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all this
Within the spirit of utility model and principle, any modification, equivalent substitution and improvement made etc., should be included in this utility model
Protection domain within.
Claims (7)
1. a kind of catalyst test equipment, it is characterised in that including equipment body, is provided with chain of command on the upside of described equipment body
Plate, described control panel is provided with multiple test interfaces, and described test interface connects catalyst；Set inside described equipment body
It is equipped with voltage acquisition circuit, described voltage acquisition circuit includes input port, load selector switch, load selection circuit and output
Port, described input port connects described load selector switch, and the first connection end of described load selector switch connects load choosing
Select circuit, the second connection end connects described output port, described load selection circuit connects described output port；Described load choosing
Select circuit and include three resistance being connected in parallel with each other, each described resistant series connects a resistance switch.
2. catalyst test equipment as claimed in claim 1 it is characterised in that：Described input port connects power supply unit.
3. catalyst test equipment as claimed in claim 2 it is characterised in that：Said supply unit provides the power supply of 0-30V
Voltage, described output port exports 0-30V voltage.
4. the catalyst test equipment as described in claim 1 or 3 it is characterised in that：Described equipment body connects voltmeter.
5. catalyst test equipment as claimed in claim 1 it is characterised in that：Described control panel is additionally provided with and described voltage
The display lamp of collection connection, shows green when voltage is less than setting value, shows redness when voltage is higher than setting value.
6. catalyst test equipment as claimed in claim 1 it is characterised in that：Described load selector switch and described resistance are opened
Pass is single-pole single-throw switch (SPST).
7. catalyst test equipment as claimed in claim 1 it is characterised in that：The resistance of three described resistance is respectively 0.5
Ω, 1.5 Ω and 0.5 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620992334.6U CN205958678U (en) | 2016-08-30 | 2016-08-30 | Contactor test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620992334.6U CN205958678U (en) | 2016-08-30 | 2016-08-30 | Contactor test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205958678U true CN205958678U (en) | 2017-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620992334.6U Active CN205958678U (en) | 2016-08-30 | 2016-08-30 | Contactor test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205958678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111190055A (en) * | 2018-11-15 | 2020-05-22 | 河南许继仪表有限公司 | Relay contact resistance testing arrangement |
-
2016
- 2016-08-30 CN CN201620992334.6U patent/CN205958678U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111190055A (en) * | 2018-11-15 | 2020-05-22 | 河南许继仪表有限公司 | Relay contact resistance testing arrangement |
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| GR01 | Patent grant |