CN207408559U - A kind of midget relay device for fast detecting - Google Patents
A kind of midget relay device for fast detecting Download PDFInfo
- Publication number
- CN207408559U CN207408559U CN201721583266.9U CN201721583266U CN207408559U CN 207408559 U CN207408559 U CN 207408559U CN 201721583266 U CN201721583266 U CN 201721583266U CN 207408559 U CN207408559 U CN 207408559U
- Authority
- CN
- China
- Prior art keywords
- relay
- midget
- socket
- detected
- power supply
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
A kind of midget relay device for fast detecting, belong to detection technique field, for solving the problems, such as that relay test efficiency is low and testing staff's labor intensity is big, its technical solution is, composition includes detecting power supply, relay socket and ohmmeter, in the relay socket, it is connected with detection power supply by lead and detection switch with the corresponding wire connection terminal of the control coil of detected midget relay, is connected with the corresponding wire connection terminal of the contact of detected midget relay by lead with ohmmeter.The utility model is combined power supply, relay socket and ohmmeter is detected, relay socket need to be only inserted into when being detected to midget relay, operate detection switch, it can determine whether relay is normal by the reading for observing ohmmeter, enormously simplify operating process, the detection efficiency of midget relay is improved, reduces the labor intensity of testing staff.In addition, the utility model also have many advantages, such as it is of simple structure and low cost, reliable.
Description
Technical field
The utility model is related to a kind of devices for quick mass detection midget relay performance, belong to detection technique
Field.
Background technology
Relay is the common components on electrical equipment, and with the popularization of electric automatization, the usage quantity of relay is not
Disconnected increase.During electric equipment operation, the contact of relay can due to frequent movement scaling loss, the electrical equipment for controlling it
Cisco unity malfunction.In order to ensure equipment normal operation needs to replace power transfer relay, and when replacing relay, failure
Relay and new relay are required to be detected.Since midget relay is all enclosed, only expose pin, give its action
Detection with contact resistance value causes certain difficulty.Traditional detection method is interim connection coil supply line, then uses instrument
Table tests its contact resistance, and then judges whether relay is normal.This detection method is cumbersome, adds detection people
The labor intensity of member, and detection efficiency is low, can not meet multi items, the testing requirements of high-volume relay, therefore design one
The efficient midget relay device for detecting performance of kind is very necessary.
Utility model content
The purpose of this utility model is that for the drawback of the prior art, a kind of midget relay is provided and quickly detects dress
It puts, to improve the detection efficiency of midget relay, reduces the labor intensity of testing staff.
Problem described in the utility model is realized with following technical proposals：
A kind of midget relay device for fast detecting, composition includes detecting power supply, relay socket and ohmmeter, described
In relay socket, with the corresponding wire connection terminal of control coil of detected midget relay by lead and detection switch with
Power supply connection is detected, is connected with the corresponding wire connection terminal of the contact of detected midget relay by lead with ohmmeter.
Above-mentioned midget relay device for fast detecting, the relay socket include AC relay socket and direct current relay
Device socket, the detection power supply include AC power, AC-DC conversion module and power switch, the AC relay socket
In, by lead and exchange detection switch and alternating current with the corresponding wire connection terminal of the control coil of detected midget relay
Source connects；In the DC relay socket, pass through with the corresponding wire connection terminal of control coil of detected midget relay
Lead and DC detecting switch are connected with the DC output end of AC-DC conversion module；The exchange of the AC-DC conversion module is defeated
Enter end to be connected with AC power by power switch.
Above-mentioned midget relay device for fast detecting, the AC relay socket and DC relay socket are respectively provided with more
A, multiple AC relay sockets and multiple DC relay sockets correspond to the midget relay of different size respectively.
Above-mentioned midget relay device for fast detecting, the AC relay socket, DC relay socket, alternating current-direct current turn
It mold changing block, power switch, DC detecting switch and exchanges detection switch and is installed in electrical equipment clamp rail.
Above-mentioned midget relay device for fast detecting, the ohmmeter can be replaced by universal meter.
The utility model is combined power supply, relay socket and ohmmeter is detected, and midget relay is examined
Relay socket need to be only inserted into during survey, detection switch is operated, can determine whether that relay is by the reading for observing ohmmeter
It is no normal, operating process is enormously simplified, improves the detection efficiency of midget relay, the work for reducing testing staff is strong
Degree.In addition, the utility model also have many advantages, such as it is of simple structure and low cost, reliable.
Description of the drawings
Fig. 1 is the electrical schematic diagram of the utility model.
In figure respectively marked as：R, ohmmeter, B, AC-DC conversion module, Q1, power switch, Q2, DC detecting switch,
Q3, exchange detection switch, the AC relay socket of J1~J3, the first AC relay socket~the 3rd, Z1~Z3, the first direct current
The DC relay socket of relay socket~the 3rd.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
The utility model provides a kind of device that can quickly, accurately detect midget relay performance, can avoid without
Detect equipment fault caused by after relay is reached the standard grade.
Referring to Fig. 1, the utility model mainly includes ohmmeter R, AC-DC conversion module B, power switch Q1, DC detecting
Switch Q2, exchange detection switch Q3, AC relay socket J1~J3 and DC relay socket Z1~Z3.
Production method：The use of 5mm heavy insulations plate is bottom plate, substrate fixes 35/7.5 standard electrical elements with holes of NS
Clamp rail and ohmmeter R.AC-DC conversion module B, power switch Q1, DC detecting switch Q2, exchange inspection are installed successively in clamp rail
Slowdown monitoring switch Q3, multiple AC relay sockets（It is three in Fig. 1）With multiple DC relay sockets（It is three in Fig. 1）, and
Possesses socket extending space.It is connected between electrical equipment using conducting wire.It can be to direct current 24V relays, alternating current 220V relay
It measures.
It is direct current 24V that AC-DC conversion module B, which is used for alternating current 220V rectification, and power switch Q1 is used to that alternating current-direct current to be controlled to turn
The input power of block B is changed the mold, DC detecting switch Q2 is used to control the power supply of DC relay socket, i.e., to tested direct current relay
The control coil power supply of device；Exchange detection switch Q3 is used to control the power supply of AC relay socket, i.e., to tested exchange relay
The control coil power supply of device.Ohmmeter R is used to measure contact resistance.
How much is the relay species that the quantity of AC relay socket and DC relay socket detects according to actual needs
Depending on.
The detection method of 24V DC relays：
（1）Power turn-on switchs Q1, and AC-DC conversion module B exports alternating current 220V power rectifier to straight for direct current 24V
Flow detection switch Q2.
（2）Relay to be detected is inserted into matched DC relay socket（That is Z1, Z2 or Z3 in Fig. 1）On.
（3）Division DC detecting switchs Q2, observes the action situation of relay to be detected.If relay attonity, says
Its bright control coil has short circuit or open circuit fault or contact can not act due to mechanical breakdown.
（4）Using ohmmeter R or general universal meter measuring relay contact resistance values, the situation of change of contact resistance value is observed,
If the opened point of relay（Normally closed point）With electric must becoming turning on from open circuit for relay control coil（Become disconnected from conducting
Road）, and the resistance value after conducting is less than 100 ohm, illustrates that relay is normal, otherwise judging relay, there are contact burning failures.
The detection method of 220V V AC relays：
（1）Relay to be detected is inserted into matched AC relay socket（That is J1, J2 or J3 in Fig. 1）On.
（2）Division exchanges detection switch Q3, observes the action situation of relay to be detected.If relay attonity, says
Its bright control coil has short circuit or open circuit fault or contact can not act due to mechanical breakdown.
（3）Using ohmmeter R or general universal meter measuring relay contact resistance values, the situation of change of contact resistance value is observed,
If the opened point of relay（Normally closed point）With electric must becoming turning on from open circuit for relay control coil（Become disconnected from conducting
Road）, and the resistance value after conducting is less than 100 ohm, illustrates that relay is normal, otherwise judging relay, there are contact burning failures.
When relay coil voltage to be measured neither 220V, nor during 24V, only needs to change AC-DC conversion module B i.e.
It can be detected.
The utility model has simple in structure, easy to use, detection efficiency using the common electrical equipment in scene and Work tool
The advantages that high.Relay contact resistance value degradation trend can be found in time using the device, and relay failure is avoided to influence equipment
Normal operation, reduce relay failure to economic loss caused by enterprise, there is higher practicability and economic benefit.
Claims (5)
1. a kind of midget relay device for fast detecting, it is characterized in that, composition includes detecting power supply, relay socket and resistance
Table（R）, in the relay socket, with the corresponding wire connection terminal of control coil of detected midget relay by lead and
Detection switch is connected with detection power supply, passes through lead and resistance with the corresponding wire connection terminal of contact of detected midget relay
Table（R）Connection.
2. midget relay device for fast detecting according to claim 1, it is characterized in that, the relay socket includes handing over
Current relay socket and DC relay socket, the detection power supply include AC power, AC-DC conversion module（B）And power supply
Switch（Q1）, in the AC relay socket, lead to the corresponding wire connection terminal of control coil of detected midget relay
It crosses lead and exchanges detection switch（Q3）It is connected with AC power；In the DC relay socket, with being detected miniature relay
The corresponding wire connection terminal of control coil of device is switched by lead and DC detecting（Q2）With AC-DC conversion module（B）It is straight
Flow output terminal connection；The AC-DC conversion module（B）Ac input end pass through power switch（Q1）It is connected with AC power.
3. midget relay device for fast detecting according to claim 2, it is characterized in that, the AC relay socket and
DC relay socket is respectively provided with multiple, and multiple AC relay sockets and multiple DC relay sockets correspond to different rule respectively
The midget relay of lattice.
4. midget relay device for fast detecting according to claim 3, it is characterized in that, the AC relay socket,
DC relay socket, AC-DC conversion module（B）, power switch（Q1）, DC detecting switch（Q2）With exchange detection switch
（Q3）It is installed in electrical equipment clamp rail.
5. midget relay device for fast detecting according to claim 4, it is characterized in that, the ohmmeter（R）It can be by ten thousand
It is replaced with table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721583266.9U CN207408559U (en) | 2017-11-23 | 2017-11-23 | A kind of midget relay device for fast detecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721583266.9U CN207408559U (en) | 2017-11-23 | 2017-11-23 | A kind of midget relay device for fast detecting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207408559U true CN207408559U (en) | 2018-05-25 |
Family
ID=62316972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721583266.9U Active CN207408559U (en) | 2017-11-23 | 2017-11-23 | A kind of midget relay device for fast detecting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207408559U (en) |
-
2017
- 2017-11-23 CN CN201721583266.9U patent/CN207408559U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104078919B (en) | Led lamp and its electronic circuit breaker | |
| CN204666788U (en) | A kind of relay checking seat | |
| CN207557429U (en) | The test device of Morse Shi Mite relays | |
| CN206618845U (en) | Power supply module for communication test system | |
| CN107895931A (en) | A kind of no-voltage opens the switch implementation method closed with zero current | |
| CN102393480A (en) | Electric quantity compensation method during live replacement of electric energy meter | |
| CN202562733U (en) | High voltage breaker mechanical property on-line live-line detection system | |
| CN110031756B (en) | DC contactor performance test conversion circuit and service life test method | |
| CN105529698B (en) | A kind of Intelligent electric gas holder of band self-checking function | |
| CN112285447A (en) | Switch drawer test circuit and test equipment | |
| CN207516488U (en) | A kind of power cable detection device based on polarization depolarization current | |
| CN207408559U (en) | A kind of midget relay device for fast detecting | |
| CN203365531U (en) | Novel alternating-current and direct-current high-voltage electroscope | |
| CN205898968U (en) | Electronic relay coil overload detection test bench | |
| CN110196347B (en) | Electric energy metering combined wiring terminal strip | |
| CN109521311B (en) | Relay protection multi-outlet pressing plate measuring instrument | |
| CN204316171U (en) | A kind of debugging operations platform of automatic change-over controller | |
| CN207039164U (en) | A kind of controling circuit structure with fault detection capability | |
| CN200968985Y (en) | Three-phase electrical energy meter calibration testing device | |
| CN103376421A (en) | Power supply efficiency measuring apparatus | |
| CN105301396A (en) | Relay protection verification apparatus | |
| CN202948111U (en) | Vacuum contactor synchronization tester | |
| CN111751715B (en) | Be applied to primary loop detection device of circuit breaker | |
| CN210982617U (en) | Switch drawer test circuit and test equipment | |
| CN208805545U (en) | A kind of loop resistance test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |