CN209102868U - A kind of portable relay intelligent test device - Google Patents
A kind of portable relay intelligent test device Download PDFInfo
- Publication number
- CN209102868U CN209102868U CN201821397650.4U CN201821397650U CN209102868U CN 209102868 U CN209102868 U CN 209102868U CN 201821397650 U CN201821397650 U CN 201821397650U CN 209102868 U CN209102868 U CN 209102868U
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- resistance
- coil
- module
- test module
- wire hole
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Abstract
The utility model provides a kind of portable relay intelligent test device, including cabinet, the handle being arranged on cabinet, the control panel that top of the box is arranged in and the contact resistance test module for being separately positioned on box house, coil measurement module, clamping stagnation test module and MCU controller, coil measurement module includes coil resistance test module and coil voltage testing current module；It is respectively arranged with power switch, the change-over switch, touch screen on control panel, and respectively corresponds the multiple groups plug wire hole of contact resistance test module, coil measurement module and the setting of clamping stagnation test module；MCU controller controls contact resistance test module, coil resistance test module, coil voltage testing current module or clamping stagnation test module respectively and completes corresponding test job according to the control instruction inputted by touch screen, and test result is sent to touch screen and is shown.The portable relay intelligent test device has the advantages that design science, practical, structure is simple, easy to use.
Description
Technical field
The utility model relates to a kind of portable relay intelligent test devices.
Background technique
Multiple functional relay contact analog control system instrument is actually rare currently on the market, in particular for railcar it is dedicated after
Electric test device.Existing relay test-device is test design, this kind of dress before dispatching from the factory to relay mostly in the market
It is more single to set function, and inconvenient to carry.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Summary of the invention
The purpose of this utility model is in view of the deficiencies of the prior art, to provide a kind of design science, practical, knot
Structure is simple, portable relay intelligent test device easy to use.
To achieve the goals above, the technical scheme adopted by the utility model is a kind of portable relay intelligent is surveyed
Trial assembly is set, and including cabinet, the handle being arranged on the cabinet, the control panel that the top of the box is arranged in and is respectively set
In the contact resistance test module of the box house, coil measurement module, clamping stagnation test module and MCU controller, the line
Enclosing test module includes change-over switch, coil resistance test module and coil voltage testing current module；On the control panel
It is respectively arranged with power switch, the change-over switch, touch screen, and respectively corresponds the contact resistance test module, described
Coil measurement module and the multiple groups plug wire hole of clamping stagnation test module setting；The MCU controller is according to by the touch screen
The control instruction of input controls the contact resistance test module, the coil resistance test module, the coil voltage respectively
Testing current module or the clamping stagnation test module complete corresponding test job, and test result is sent to the touch screen display
Show.
It further include that the intracorporal wireless communication module of the case is set or is arranged on the control panel based on above-mentioned
Host computer communication interface, the MCU controller connect test result by the wireless communication module or host computer communication
Mouth is sent to host computer.
Based on above-mentioned, the coil measurement module include power supply V1, power supply V2, change-over switch SW1, resistance R1, resistance R2,
Resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, capacitor C1, capacitor C2, capacitor C3, capacitor C4
With operational amplifier U1, one end of the resistance R1 connects the power supply V1, and the other end of the resistance R1 connects the conversion
1 foot of switch SW1,3 feet of the change-over switch SW1 connect the power supply V2, and the 2 feet connection of the change-over switch SW1 is used for
The plug wire hole of grafting coil one end, the plug wire hole for the grafting coil other end pass through the resistance R2 and resistance R3 respectively
Ground connection；2 feet of the change-over switch SW1 also pass sequentially through the resistance R8 and resistance R9 ground connection, and the capacitor C1 is in parallel
At the both ends the resistance R9；Plug wire hole for the grafting coil other end also passes through the resistance R4 connection operational amplifier
The non-inverting input terminal of U1, one end ground connection of the resistance R5, the other end of the resistance R5 connect the operational amplifier U1's
Inverting input terminal, the output end of the operational amplifier U1 also pass sequentially through the resistance R6 and connect the operational amplifier U1's
Inverting input terminal, one end of the resistance R7 connect the output end of the operational amplifier U1, and the other end of the resistance R7 is logical
The capacitor C4 ground connection is crossed, the non-inverting input terminal of the operational amplifier U1 also passes through the capacitor C2 ground connection；The resistance R1
The other end, be separately connected at the other end of the resistance R7 and the tie point of the resistance R8 and the resistance R9 it is described
MCU controller.
Based on above-mentioned, the contact resistance test module includes that one end of resistance R10 and power supply V1, the resistance R10 connect
The power supply V1 is met, the other end connection of the resistance R10 is used for the plug wire hole of grafting relay contact S1, is used for grafting relay
Another plug wire hole of device contact S1 is grounded, and the one end corresponding coil KA1 relay contact S1 connects the MCU controller, another
One end ground connection.
Based on above-mentioned, the clamping stagnation test module includes one end connection institute of resistance R11 and power supply V1, the resistance R11
Power supply V1 is stated, the other end connection of the resistance R11 is used for the plug wire hole of grafting relay contact S2, touches for grafting relay
Another plug wire hole of point S2 is grounded, and the one end corresponding coil KA2 relay contact S2 connects the MCU controller, the other end
Ground connection.
It further include setting in the intracorporal coil pick-up voltage test module of the case, the coil is attracted electricity based on above-mentioned
Pressure test module includes power supply V2, slide-changing resistor RP1 and the plug wire hole for grafting coil both ends, for grafting coil wherein one
The plug wire hole at end is by the slide-changing resistor RP1 connection power supply V2, and the plug wire hole for the grafting coil other end is grounded, institute
The junction for stating slide-changing resistor RP1 and plug wire hole is electrically connected the MCU controller, and the sliding change is corresponded on the control panel
Resistance RP1 is provided with coil voltage adjusting knob.
The utility model has substantive features and progress compared with the prior art, and specifically, the utility model is by inserting
String holes grafting relay to be tested, and test pattern is arranged by touch screen, realize test to relay contact resistance, line
Resistance test, coil voltage testing current and clamping stagnation test are enclosed, facilitates grasp relay status, with design science, practical
The advantage that property is strong, structure is simple, easy to use.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the circuit diagram of the utility model coil measurement module.
Fig. 3 is the circuit diagram of the utility model contact resistance test module.
Fig. 4 is the circuit diagram of the utility model clamping stagnation test module.
Fig. 5 is the circuit diagram of the utility model coil pick-up voltage test module.
In figure: 1. cabinets；2. touch screen；3. plug wire hole；4. power switch；5. handle；6. harness；7. coil voltage is adjusted
Knob；8. change-over switch.
Specific embodiment
Below by specific embodiment, the technical solution of the utility model is described in further detail.
As shown in Figure 1, a kind of portable relay intelligent test device, including cabinet 1, is arranged on the cabinet 1
Handle 5, the control panel that 1 top of cabinet is set and the contact resistance test mould being separately positioned on inside the cabinet 1
Block, coil measurement module, clamping stagnation test module and MCU controller, the coil measurement module include change-over switch 8, coil electricity
Hinder test module and coil voltage testing current module；Power switch 4 is respectively arranged on the control panel, the conversion is opened
8, touch screen 2 are closed, and respectively correspond the contact resistance test module, the coil measurement module and clamping stagnation test mould
The multiple groups plug wire hole 3 of block setting；The MCU controller is according to the control instruction inputted by the touch screen 2, respectively described in control
Contact resistance test module, the coil resistance test module, the coil voltage testing current module or clamping stagnation test
Module completes corresponding test job, and test result is sent to the touch screen 2 and is shown.
In use, being moved easily the test device by the handle 5, it is provided with harness 6 on the handle 5 in practice,
It is convenient for carrying.Relay to be tested is inserted into the plug wire hole 3 of corresponding function by patch, is passing through the touch screen 2
After selecting test function, the MCU controller controls corresponding test module and completes corresponding test job, and test result is defeated
It is shown out to the touch screen 2.Specifically, the contact resistance test module pair is inserted by patch in the contact of relay
After the one group of plug wire hole 3 or the corresponding plug wire hole 3 of the clamping stagnation test module answered, contact resistance is selected by the touch screen 2
Test function or clamping stagnation test function, the MCU controller control corresponding test module and carry out test job, and will test
As a result it exports to the touch screen 2 and shows.It is corresponding that the coil of relay by patch is inserted into the coil measurement module
After plug wire hole 3, reset coil resistance test or coil voltage testing current are selected by the change-over switch 8, and by described
Touch screen 2 selects and starts corresponding test function, and the MCU controller controls the coil resistance test module or the line
It encloses voltage and current test module and completes corresponding test job, and test result is sent to the touch screen 2 and is shown.This patent Shen
The computer program part related to, is all made of the prior art.
In practice, which further includes the radio communication mold being arranged in the cabinet 1
Block or the host computer communication interface being arranged on the control panel, the MCU controller pass through test result described wireless
Communication module or the host computer communication interface are sent to host computer.Relay contact analog control system result module or upper by wireless communication
Machine communication interface is sent to host computer, and host computer records test result.
Specifically, as shown in Fig. 2, the coil measurement module includes power supply V1, power supply V2, change-over switch SW1, resistance
R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, capacitor C1, capacitor C2, capacitor
One end of C3, capacitor C4 and operational amplifier U1, the resistance R1 connect the power supply V1, the other end connection of the resistance R1
3 feet of 1 foot of the change-over switch SW1, the change-over switch SW1 connect the power supply V2,2 feet of the change-over switch SW1
Connection is used for the plug wire hole of grafting coil one end, and the plug wire hole for the grafting coil other end passes through the resistance R2 and institute respectively
State resistance R3 ground connection；2 feet of the change-over switch SW1 also pass sequentially through the resistance R8 and resistance R9 ground connection, the electricity
Hold C1 and is connected in parallel on the both ends the resistance R9；Plug wire hole for the grafting coil other end also passes through the resistance R4 connection fortune
The non-inverting input terminal of amplifier U1, one end ground connection of the resistance R5 are calculated, the other end of the resistance R5 connects the operation and puts
The inverting input terminal of big device U1, the output end of the operational amplifier U1 also pass sequentially through the resistance R6 connection operation and put
The inverting input terminal of big device U1, one end of the resistance R7 connect the output end of the operational amplifier U1, the resistance R7's
The other end is grounded by the capacitor C4, and the non-inverting input terminal of the operational amplifier U1 also passes through the capacitor C2 ground connection；Institute
It states and connects respectively at the tie point of the other end of resistance R1, the other end of the resistance R7 and the resistance R8 and resistance R9
Connect the MCU controller.It is described in the corresponding coil measurement modular circuit of the change-over switch 8 on the control panel
Change-over switch SW1.When testing coil resistance, 1 foot of the change-over switch SW1 and 2 feet are connected, the power supply V1, the resistance
R1, coil and the resistance R2 constitute circuit, wherein the resistance value of the resistance R2 is far smaller than the resistance value of the resistance R1, it is described
MCU controller is according to the voltage value at the resistance R1 other end collected, according to voltage divider principle you can learn that the coil
Resistance value.After 2 feet of the change-over switch SW1 and 3 feet are connected, coil connects the power supply V2, the resistance R8 and the electricity
Resistance R9 composition bleeder circuit is connected in parallel on coil both ends, and the MCU controller acquires the resistance R8 and the junction the resistance R9
Voltage, recycle voltage divider principle, calculate coil voltage；The MCU controller is exported also according to the operational amplifier U1
The voltage of output is held, the electric current for passing through coil is calculated.Resistance in present patent application is for partial pressure or current limliting, and capacitor is for filtering
Wave, those skilled in the art have the ability to select suitable value according to actual needs.
As shown in figure 3, the contact resistance test module includes one end company of resistance R10 and power supply V1, the resistance R10
The power supply V1 is met, the other end connection of the resistance R10 is used for the plug wire hole of grafting relay contact S1, is used for grafting relay
Another plug wire hole of device contact S1 is grounded, and the one end corresponding coil KA1 relay contact S1 connects the MCU controller, another
One end ground connection.After the MCU controller control relay coil is powered, contact closure, the MCU controller collection voltages, and
Coil resistance is calculated according to voltage divider principle.
As shown in figure 4, the clamping stagnation test module includes one end connection institute of resistance R11 and power supply V1, the resistance R11
Power supply V1 is stated, the other end connection of the resistance R11 is used for the plug wire hole of grafting relay contact S2, touches for grafting relay
Another plug wire hole of point S2 is grounded, and the one end corresponding coil KA2 relay contact S2 connects the MCU controller, the other end
Ground connection.The MCU controller controls the coil KA2 according to the preset time and is powered, and the MCU controller is according to collection voltages
Variation judge that contact S2 is normal or clamping stagnation.
As shown in figure 5, the portable relay intelligent test device further includes that the coil being arranged in the cabinet 1 is attracted
Voltage test module, the coil pick-up voltage test module include power supply V2, slide-changing resistor RP1 and for grafting coil both ends
Plug wire hole, the plug wire hole for grafting coil wherein one end is by the slide-changing resistor RP1 connection power supply V2, for inserting
The plug wire hole of the wiring circle other end is grounded, and the junction of the slide-changing resistor RP1 and plug wire hole is electrically connected the MCU and controls
Device corresponds to the slide-changing resistor RP1 on the control panel and is provided with coil voltage adjusting knob 7.Relay coil is by inserting
After string holes accesses the coil pick-up voltage test module, slide-changing resistor RP1 is adjusted by the coil voltage adjusting knob 7,
To change the voltage on the coil, when relay contact changes, the MCU controller calculates institute according to the voltage detected
The pick-up voltage of coil is stated, and exports to the touch screen 2 and shows.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the utility model rather than limit it
System；Although the utility model has been described in detail with reference to the preferred embodiment, those of ordinary skill in the art should
Understand: specific implementation of the utility model can still be modified or is equally replaced to some technical characteristics
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (6)
1. a kind of portable relay intelligent test device, it is characterised in that: including cabinet, mentioning on the cabinet is arranged in
Hand, the control panel that the top of the box is set and the contact resistance test module for being separately positioned on the box house, line
Test module, clamping stagnation test module and MCU controller are enclosed, the coil measurement module includes change-over switch, coil resistance test
Module and coil voltage testing current module；
It is respectively arranged with power switch, the change-over switch, touch screen on the control panel, and respectively corresponds the contact
The multiple groups plug wire hole of resistance test module, the coil measurement module and clamping stagnation test module setting；
The MCU controller according to the control instruction inputted by the touch screen, control respectively the contact resistance test module,
The coil resistance test module, the coil voltage testing current module or the clamping stagnation test module complete corresponding test work
Make, and test result is sent to the touch screen and is shown.
2. portable relay intelligent test device according to claim 1, it is characterised in that: further include being arranged described
The intracorporal wireless communication module of case or the host computer communication interface being arranged on the control panel, the MCU controller will be surveyed
Test result is sent to host computer by the wireless communication module or the host computer communication interface.
3. portable relay intelligent test device according to claim 1, it is characterised in that: the coil measurement module
Including power supply V1, power supply V2, change-over switch SW1, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance
One end company of R7, resistance R8, resistance R9, capacitor C1, capacitor C2, capacitor C3, capacitor C4 and operational amplifier U1, the resistance R1
The power supply V1 is met, the other end of the resistance R1 connects 1 foot of the change-over switch SW1,3 feet of the change-over switch SW1
The power supply V2 is connected, the 2 feet connection of the change-over switch SW1 is used for the plug wire hole of grafting coil one end, is used for grafting coil
The plug wire hole of the other end passes through the resistance R2 and resistance R3 ground connection respectively；2 feet of the change-over switch SW1 also successively lead to
The resistance R8 and resistance R9 ground connection is crossed, the capacitor C1 is connected in parallel on the both ends the resistance R9；It is another for grafting coil
The plug wire hole at end also connects the non-inverting input terminal of the operational amplifier U1, a termination of the resistance R5 by the resistance R4
Ground, the other end of the resistance R5 connect the inverting input terminal of the operational amplifier U1, the output of the operational amplifier U1
End also passes sequentially through the inverting input terminal that the resistance R6 connects the operational amplifier U1, and one end of the resistance R7 connects institute
The output end of operational amplifier U1 is stated, the other end of the resistance R7 is grounded by the capacitor C4, the operational amplifier U1
Non-inverting input terminal also pass through capacitor C2 ground connection；The other end of the resistance R1, the other end of the resistance R7 and institute
It states and is separately connected the MCU controller at the tie point of the resistance R8 and resistance R9.
4. portable relay intelligent test device according to claim 1, it is characterised in that: the contact resistance test
Module includes that the other end of one end connection the power supply V1, the resistance R10 of resistance R10 and power supply V1, the resistance R10 connect
The plug wire hole for grafting relay contact S1 is connect, another plug wire hole for grafting relay contact S1 is grounded, relay
The one end corresponding coil KA1 contact S1 connects the MCU controller, other end ground connection.
5. portable relay intelligent test device according to claim 1, it is characterised in that: the clamping stagnation test module
The power supply V1 is connected including one end of resistance R11 and power supply V1, the resistance R11, the other end of the resistance R11, which connects, to be used
In the plug wire hole of grafting relay contact S2, another plug wire hole for grafting relay contact S2 is grounded, relay contact
The one end corresponding coil KA2 S2 connects the MCU controller, other end ground connection.
6. portable relay intelligent test device according to claim 1, it is characterised in that: further include being arranged described
The intracorporal coil pick-up voltage test module of case, the coil pick-up voltage test module include power supply V2, slide-changing resistor RP1 and
For the plug wire hole at grafting coil both ends, the plug wire hole for grafting coil wherein one end passes through the slide-changing resistor RP1 connection
The power supply V2, the plug wire hole for the grafting coil other end are grounded, and the junction of the slide-changing resistor RP1 and plug wire hole is electrical
The MCU controller is connected, the slide-changing resistor RP1 is corresponded on the control panel and is provided with coil voltage adjusting knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821397650.4U CN209102868U (en) | 2018-08-29 | 2018-08-29 | A kind of portable relay intelligent test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821397650.4U CN209102868U (en) | 2018-08-29 | 2018-08-29 | A kind of portable relay intelligent test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209102868U true CN209102868U (en) | 2019-07-12 |
Family
ID=67151514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821397650.4U Expired - Fee Related CN209102868U (en) | 2018-08-29 | 2018-08-29 | A kind of portable relay intelligent test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209102868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114003023A (en) * | 2021-11-10 | 2022-02-01 | 中煤科工集团上海有限公司 | Quick fault detection device |
-
2018
- 2018-08-29 CN CN201821397650.4U patent/CN209102868U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114003023A (en) * | 2021-11-10 | 2022-02-01 | 中煤科工集团上海有限公司 | Quick fault detection device |
| CN114003023B (en) * | 2021-11-10 | 2023-08-04 | 中煤科工集团上海有限公司 | Quick fault detection device |
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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: 20190712 |