CN108445387A - A kind of electromagnetic relay reliability test box - Google Patents
A kind of electromagnetic relay reliability test box Download PDFInfo
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- CN108445387A CN108445387A CN201810541388.4A CN201810541388A CN108445387A CN 108445387 A CN108445387 A CN 108445387A CN 201810541388 A CN201810541388 A CN 201810541388A CN 108445387 A CN108445387 A CN 108445387A
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- relay
- interface
- switch
- test box
- potentiometer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3277—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
- G01R31/3278—Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention relates to relay technical fields, specially a kind of electromagnetic relay reliability test box, including testing box body, it tests on the front panel of box body and is inlaid with first switch, second switch and signal input interface, offer the first mounting hole, the second mounting hole, the first LED mounting holes and the 2nd LED mounting holes；It tests on the rear panel of box body and is inlaid with power switch, 220V power interfaces, external load connecting interface, measured relay connecting interface, measured relay control source interface and load driving voltage input interface；Testing cassete body interior is equipped with pcb board, and protective tube, the first light emitting diode, the second light emitting diode, capacitance, resistance, the first potentiometer, the second potentiometer, first time relay, second time relay, solid-state relay and cooling fin are laid on pcb board；The configuration of the present invention is simple, it is easy to accomplish, manufacturing cost is low, and service life is long.
Description
Technical field
The present invention relates to relay technical field, specially a kind of electromagnetic relay reliability test box.
Background technology
Electromagnetic relay is a kind of electronic control device, it has control system and by control system, is usually applied to certainly
In dynamic control circuit, it be actually with smaller electric current, lower voltage go to control larger electric current, higher voltage one
The effects that planting " automatic switch ", playing automatic adjustment, safeguard protection, conversion circuit in circuit.Not only due to electromagnetic relay
Including circuit, magnetic circuit, but also include movable mechanical part, cause the reliability of electromagnetic relay relatively low, therefore is raw
Production manufacturer needs to carry out reliability test to electromagnetic relay, by largely testing acquisition test data, so as to electricity
The reliability index of magnetic relay is identified.Even if in this way, when application person uses electromagnetic relay, it still will appear electromagnetism
The case where relay failure, therefore some application vendors can set up laboratory and be carried out again reliably to the electromagnetic relay being intended that
Property experiment, but since the manufacturer for specially producing electromagnetic relay testing results equipment is less, along with electromagnetic relay is run
Test equipment is generally more expensive, some small-scale laboratories is caused powerlessly to undertake cost of equipment, to complete to electricity
The reliability of magnetic relay is tested.
Invention content
For the problems of the prior art, a kind of cost of present invention offer is relatively low, and it is reliable to be easy to the electromagnetic relay made
Property testing cassete.
To realize the above technical purpose, the technical scheme is that：
A kind of electromagnetic relay reliability test box, including test box body；
It is inlaid with first switch, second switch and signal input interface on the front panel of the test box body, is offered
First mounting hole, the second mounting hole, the first LED mounting holes and the 2nd LED mounting holes, the signal input interface are used for external letter
Number generator；
It is described test box body rear panel on be inlaid with power switch, 220V power interfaces, external load connecting interface,
Measured relay connecting interface, measured relay control source interface and load driving voltage input interface, the 220V power supplys
Interface is used for external 220V power supplys, and the external load connecting interface is used for external load, the measured relay connecting interface
For external measured relay, the measured relay control source interface is used for external first direct-flow voltage regulation source, the load
Driving voltage input interface is used for external second direct-flow voltage regulation source；
The testing cassete body interior is equipped with pcb board, and protective tube, the first light emitting diode, the are laid on the pcb board
Two light emitting diodes, resistance, the first potentiometer, the second potentiometer, first time relay, second time relay, are consolidated capacitance
Body relay and cooling fin, the lamp cap of first light emitting diode and the lamp cap of the second light emitting diode are embedded in first respectively
In LED mounting holes and the 2nd LED mounting holes, the display screen of the display screen and second time relay of the first time relay
It is embedded in respectively in the first mounting hole and the second mounting hole, the cooling fin radiates for solid-state relay；
In test box body：The electrode input end of the solid-state relay is connected with one end of signal input interface, bears
Pole input end grounding, cathode output end are connected with one end of protective tube, and cathode output end is connected with one end of capacitance, the insurance
The other end of pipe is connected with the first connecting pin of one end of resistance and first time relay respectively, the other end of the capacitance with
The other end of resistance is connected, and the anode of first light emitting diode is connected with one end of the first potentiometer, and described second shines
The anode of diode is connected with one end of the second potentiometer, the measured relay connecting interface+one end phase in area and capacitance
Even ,-area ground connection, opens area and is connected with the other end of the first potentiometer, and knife area is connected with the first connecting pin of second time relay,
Closed zone is connected with the other end of the second potentiometer, the cathode in the areas A1 and the first light emitting diode of the external load connecting interface
It is connected and is grounded with the cathode of the second light emitting diode, the areas A2 is connected with the other end of the second potentiometer, the areas A3 and the first current potential
The other end of device is connected, the power input of the first time relay and second time relay by power switch with
220V power interfaces are connected, and the second connection end of the first time relay is defeated by first switch and measured relay voltage
Incoming interface is connected, and the second connection end of second time relay passes through second switch and load driving voltage input interface.
As an improvement, be additionally provided with rectifying tube on the pcb board, the electrode input end of the solid-state relay and rectifying tube
Cathode is connected, and the anode of the rectifying tube is connected with signal input interface.
Preferably, it is described test box body front panel on signal input interface, first switch, the first mounting hole,
Second mounting hole, the first LED mounting holes are set gradually from left to right, and second switch is located at below first switch, the 2nd LED installations
Hole is located at below the first LED mounting holes.
Preferably, measured relay control source interface, load driving electricity on the rear panel of the test box body
Pressure input interface, external load connecting interface set gradually and are located at rear panel top from left to right, and power switch is located at tested
Below relay voltage input interface, 220V power interfaces are located at below power switch, and measured relay connecting interface is located at outer
It connects below load connecting interface.
Preferably, the first time relay and second time relay select ZN48 intelligence even numbers to show time relay
Device.
From the above, it can be seen that the present invention has following advantages：
1. operation principle of the present invention is simple, it is easy to make, manufacturing cost is low；
2. the present invention is easy to operate, required external equipment is the standard configuration equipment in laboratory, is easy to promote in laboratory
Using；
3. the present invention is stable, service life is long；
4. the configuration of the present invention is simple, small, easy to remove.
Description of the drawings
Fig. 1 is the circuit diagram of the present invention；
Fig. 2 is the front-panel structure schematic diagram of present invention test box body；
Fig. 3 is the rear panel structure schematic diagram of present invention test box body.
Specific implementation mode
In conjunction with Fig. 1, the specific embodiment that the present invention will be described in detail, but any limit is not done to the claim of the present invention
It is fixed.
As shown in Figure 1 to Figure 3, a kind of electromagnetic relay reliability test box, including test box body；
It tests on the front panel of box body 1 and is inlaid with first switch 11, second switch 12 and signal input interface 13, open up
There are the first mounting hole 14, the second mounting hole 15, the first LED mounting holes 16 and the 2nd LED mounting holes 17, signal input interface 13 to use
In outer signal generator；
It tests on the rear panel of box body and is inlaid with power switch 18,220V power interfaces 19, external load connecting interface
20, measured relay connecting interface 21, measured relay control source interface 22 and load driving voltage input interface 23,220V
Power interface 19 is used for external 220V power supplys, and external load connecting interface 20 is used for external load, measured relay connecting interface
21 are used for external measured relay, and measured relay control source interface 22 is used for external first direct-flow voltage regulation source, load driving
Control source interface 23 is used for external second direct-flow voltage regulation source；
Testing cassete body interior is equipped with pcb board, and protective tube F1, the first Light-emitting diode LED 1, second are laid on pcb board
When Light-emitting diode LED 2, capacitance C1, resistance R1, the first potentiometer R2, the second potentiometer R3, first time relay, second
Between relay, solid-state relay and cooling fin, the lamp of the lamp cap of the first Light-emitting diode LED 1 and the second Light-emitting diode LED 2
Head is embedded in respectively in the first LED mounting holes 16 and the 2nd LED mounting holes 17, the display screen of first time relay and when second
Between the display screen of relay be embedded in respectively in the first mounting hole 14 and the second mounting hole 15, cooling fin is dissipated for solid-state relay
Heat；
In test box body：The electrode input end of solid-state relay is connected with one end of signal input interface, and cathode is defeated
Enter end ground connection, cathode output end is connected with one end of protective tube F1, and cathode output end is connected with one end of capacitance C1, protective tube F1
The other end be connected respectively with the first connecting pin of one end of resistance R1 and first time relay, the other end of capacitance C1 and electricity
The other end for hindering R1 is connected, and the anode of the first Light-emitting diode LED 1 is connected with one end of the first potentiometer R2, and second luminous two
The anode of pole pipe LED2 is connected with one end of the second potentiometer R3, measured relay connecting interface+one end in area and capacitance C1
It is connected ,-area ground connection opens area and is connected with the other end of the first potentiometer R2, first connecting pin in knife area and second time relay
It is connected, closed zone is connected with the other end of the second potentiometer R3, the areas A1 and the first light emitting diode of external load connecting interface
The cathode of LED1 and the cathode of the second Light-emitting diode LED 2 are connected and are grounded, the other end phase in the areas A2 and the second potentiometer R3
Even, the areas A3 are connected with the other end of the first potentiometer R2, the power input of first time relay and second time relay
Be connected with 220V power interfaces by power switch S, the second connection end of first time relay by first switch S1 with
Measured relay control source interface is connected, and the second connection end of second time relay is driven by second switch S2 and load
Control source interface.
Preferably, as shown in Fig. 2, signal input interface 13, first switch 11, first are pacified on the front panel of test box body
Dress hole 14, the second mounting hole 15, the first LED mounting holes 16 are set gradually from left to right, and second switch 12 is located at first switch 11
Lower section, the 2nd LED mounting holes 17 are located at 16 lower section of the first LED mounting holes；As shown in figure 3, on the rear panel of test box body
Measured relay control source interface, load driving voltage input interface, external load connecting interface are set gradually from left to right
And it is located at rear panel top, power switch is located at below measured relay control source interface, and 220V power interfaces are located at power supply
Switch lower section, measured relay connecting interface are located at below external load connecting interface.
The present invention utilizes the relay of different function, to control the running frequency of measured relay, and the time of operation,
To achieve the purpose that test measured relay operational reliability, specially：Measured relay is connect by measured relay
Mouth access testing cassete, required drive signal is obtained by external signal generator, recycles solid-state relay increase signal
Generator generates the driving capability of signal, drive signal is input to measured relay, the first external direct-flow voltage regulation source is quilt
It surveys relay and provides stable DC input voitage, first time relay and second time relay for controlling tested relay
Device run time (wherein first time relay controls the application time of measured relay coil drive voltage, second
The time relay is the application time that driving voltage is loaded for controlling measured relay), the first light emitting diode and the second hair
Optical diode is respectively used to the operating status of display measured relay, and (wherein the first luminous tube shows measured relay knife point
With the contact condition of dynamic circuit connector point, the second luminous tube shows the contact condition of measured relay knife point and quiet chalaza.), it is tested
The output loading of relay accesses testing cassete by external load connecting interface, and the second external direct-flow voltage regulation source is output loading
Driving voltage is provided.
In the above-mentioned technical solutions：
1. the way of output due to solid-state relay exports for MOS, and temperature sensitive, overcurrent or excess temperature all can be right
Device causes to damage, therefore is mainly used for the guarantor to solid-state relay in the concatenated protective tube F1 of solid-state relay cathode output end
Shield；
2. the cooling fin for radiating to solid-state relay, also for the damage for avoiding the solid-state relay caused by excess temperature
Wound；
3. the circuits RC that first resistor R1 and capacitance C1 are constituted, are mainly used for preventing solid-state relay from making due to moment overvoltage
At damage；
4. the first potentiometer R2 and the second potentiometer R3 are respectively used to the first light emitting diode and second as current-limiting resistance
Light emitting diode current limliting.
If necessary to be detected to the low and high level of measured relay output end, then need in external load connecting interface
10 areas A1 and A2 both ends or the areas A1 and A3 both ends external oscillograph in parallel, output end low and high level is observed by oscillograph
Situation, you can realize the detection of low and high level.
The concrete operation step of the present invention in actual use is as follows：
Measured relay is accessed into circuit by measured relay connecting interface, opens each control switch in the following order,
And measured relay is monitored by light emitting diode and external oscillograph；
1. opening power switch；
2. opening first switch (i.e. the control switch of measured relay voltage)；
3. opening second switch (i.e. the control switch of external load driving voltage)；
4. opening the first direct-flow voltage regulation source and the second D.C. regulated power supply；
5. open signal generator；
6. first time relay and second time relay start timing.
The signal of access solid-state relay adds instead in order to prevent, causes solid-state relay to damage, to the skill of age of the present invention
Art scheme is improved, and rectifying tube D1, the electrode input end of solid-state relay and the cathode phase of rectifying tube D1 are added on pcb board
Even, the anode of rectifying tube D1 is connected with signal input interface；Pass through the anti-stop signal reversal connections of rectifying tube D1.
In conclusion the present invention has the following advantages：
1. operation principle of the present invention is simple, it is easy to make, manufacturing cost is low；
2. the present invention is easy to operate, required external equipment is the standard configuration equipment in laboratory, is easy to promote in laboratory
Using；
3. the present invention is stable, service life is long；
4. the configuration of the present invention is simple, small, easy to remove.
It is understood that above with respect to the specific descriptions of the present invention, it is merely to illustrate the present invention and is not limited to this
Technical solution described in inventive embodiments.It will be understood by those of ordinary skill in the art that still can be carried out to the present invention
Modification or equivalent replacement, to reach identical technique effect；As long as meet use needs, all protection scope of the present invention it
It is interior.
Claims (5)
1. a kind of electromagnetic relay reliability test box, it is characterised in that：Including testing box body；
It is inlaid with first switch, second switch and signal input interface on the front panel of the test box body, offers first
Mounting hole, the second mounting hole, the first LED mounting holes and the 2nd LED mounting holes, the signal input interface are sent out for outer signal
Raw device；
It is inlaid with power switch on the rear panel of the test box body, 220V power interfaces, external load connecting interface, is tested
Relay connecting interface, measured relay control source interface and load driving voltage input interface, the 220V power interfaces
For external 220V power supplys, the external load connecting interface is used for external load, and the measured relay connecting interface is used for
External measured relay, the measured relay control source interface are used for external first direct-flow voltage regulation source, the load driving
Control source interface is used for external second direct-flow voltage regulation source；
The testing cassete body interior is equipped with pcb board, and protective tube, the first light emitting diode, the second hair are laid on the pcb board
Optical diode, capacitance, resistance, the first potentiometer, the second potentiometer, first time relay, second time relay, solid after
Electric appliance and cooling fin, the lamp cap of first light emitting diode and the lamp cap of the second light emitting diode are embedded in the first LED respectively
In mounting hole and the 2nd LED mounting holes, the display screen of the first time relay and the display screen of second time relay point
It is not embedded in the first mounting hole and the second mounting hole, the cooling fin radiates for solid-state relay；
In test box body：The electrode input end of the solid-state relay is connected with one end of signal input interface, and cathode is defeated
Enter end ground connection, cathode output end is connected with one end of protective tube, and cathode output end is connected with one end of capacitance, the protective tube
The other end is connected with the first connecting pin of one end of resistance and first time relay respectively, the other end and resistance of the capacitance
The other end be connected, the anode of first light emitting diode is connected with one end of the first potentiometer, second light-emitting diodes
The anode of pipe is connected with one end of the second potentiometer, the measured relay connecting interface+area is connected with one end of capacitance ,-
Area is grounded, and is opened area and is connected with the other end of the first potentiometer, knife area is connected with the first connecting pin of second time relay, closed zone
It is connected with the other end of the second potentiometer, the areas A1 of the external load connecting interface and the cathode of the first light emitting diode and the
The cathode of two light emitting diodes is connected and is grounded, and the areas A2 are connected with the other end of the second potentiometer, the areas A3 and the first potentiometer
The other end is connected, and the power input of the first time relay and second time relay passes through power switch and 220V
Power interface is connected, and the second connection end of the first time relay is connect by first switch and measured relay control source
Mouth is connected, and the second connection end of second time relay passes through second switch and load driving voltage input interface.
2. electromagnetic relay reliability test box according to claim 1, it is characterised in that：It is additionally provided on the pcb board
Rectifying tube, the electrode input end of the solid-state relay are connected with the cathode of rectifying tube, and the anode and signal of the rectifying tube are defeated
Incoming interface is connected.
3. electromagnetic relay reliability test box according to claim 1, it is characterised in that：In the test box body
Signal input interface, first switch, the first mounting hole, the second mounting hole, the first LED mounting holes be from left to right successively on front panel
Setting, second switch are located at below first switch, and the 2nd LED mounting holes are located at below the first LED mounting holes.
4. electromagnetic relay reliability test box according to claim 1, it is characterised in that：In the test box body
Measured relay control source interface on rear panel, load driving voltage input interface, external load connecting interface are from left to right
Rear panel top is set gradually and is located at, power switch is located at below measured relay control source interface, 220V power interfaces
Below power switch, measured relay connecting interface is located at below external load connecting interface.
5. electromagnetic relay reliability test box according to claim 1, it is characterised in that：The first time relay
The double digital display time relays of ZN48 intelligence are selected with second time relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541388.4A CN108445387B (en) | 2018-05-30 | 2018-05-30 | Electromagnetic relay reliability test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810541388.4A CN108445387B (en) | 2018-05-30 | 2018-05-30 | Electromagnetic relay reliability test box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108445387A true CN108445387A (en) | 2018-08-24 |
| CN108445387B CN108445387B (en) | 2023-09-19 |
Family
ID=63205871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810541388.4A Active CN108445387B (en) | 2018-05-30 | 2018-05-30 | Electromagnetic relay reliability test box |
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| Publication number | Publication date |
|---|---|
| CN108445387B (en) | 2023-09-19 |
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