CN212965320U - Relay contact under-line detection device - Google Patents
Relay contact under-line detection device Download PDFInfo
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- CN212965320U CN212965320U CN202021971489.4U CN202021971489U CN212965320U CN 212965320 U CN212965320 U CN 212965320U CN 202021971489 U CN202021971489 U CN 202021971489U CN 212965320 U CN212965320 U CN 212965320U
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- normally closed
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Abstract
The utility model relates to an electrical components detects technical field, is a detection device under relay contact line, and it includes zero line, live wire, relay base, normally opens display element, normally closed display element, stop button and start button, is equipped with the coil contact on the relay base, normally opens contact and normally closed contact. The utility model has the advantages of reasonable and compact structure, convenient to use, on inserting the relay base through the relay that will detect, observe the demonstration of normally opening display element and normally closed display element, whether audio-visual judgement normally opens contact and normally closed contact and moves and targets in place, has solved the problem that the mode that current use relay detection instrument to inspect and handle the trouble has the wiring frequently easily to make mistakes and takes place the misjudgement easily, has reduced the time that the relay contact detected, easy operation.
Description
Technical Field
The utility model relates to an electrical components detects technical field, is a detection device under relay contact line.
Background
The relay is quite commonly used in an electric loop, but if the contact surface of the relay contact cannot be normally closed and conducted, the contact surface of the relay contact is relatively hidden, field operators cannot visually find the contact surface, so that the field operators can only go to the field to check and process faults by using the existing relay detection tool, the problem that the wiring is frequent, mistakes are easily made, and misjudgment is easily caused is solved, and the relay fault detection is not facilitated.
Disclosure of Invention
The utility model provides a detection device under relay contact line has overcome above-mentioned prior art not enough, and it can effectively solve the current mode that uses relay detection instrument to carry out the inspection and handle the trouble and have the wiring frequently easily to make mistakes, takes place the problem of misjudgement easily.
The technical scheme of the utility model is realized through following measure: a relay contact offline detection device comprises a zero line, a live line, a relay base, a normally open display unit, a normally closed display unit, a stop button and a start button, wherein a coil contact, a normally open contact and a normally closed contact are arranged on the relay base;
one end of the coil contact is connected with the zero line, the other end of the coil contact is connected with one end of the start button, the other end of the start button is connected with one end of the stop button, and the other end of the stop button is connected with the live wire;
one end of the normally open display unit is connected with the zero line, the other end of the normally open display unit is connected with one end of the normally open contact, and the other end of the normally open contact is connected with the live wire;
one end of the normally closed display unit is connected with the zero line, the other end of the normally closed display unit is connected with one end of the normally closed contact, and the other end of the normally closed contact is connected with the live wire.
The following are further optimization or/and improvement of the technical scheme of the utility model:
the relay base can be provided with self-protection contacts which are connected in parallel at two ends of the starting button.
The above-mentioned still can include three circuit breakers, and three circuit breakers all are connected with the relay base electricity.
The above-mentioned still can include the casing, and relay base, normally open display element, normally closed display element, stop button and start button all establish on the casing.
The utility model has the advantages of reasonable and compact structure, convenient to use, on inserting the relay base through the relay that will detect, observe the demonstration of normally opening display element and normally closed display element, whether audio-visual judgement normally opens contact and normally closed contact and moves and targets in place, has solved the problem that the mode that current use relay detection instrument to inspect and handle the trouble has the wiring frequently easily to make mistakes and takes place the misjudgement easily, has reduced the time that the relay contact detected, easy operation.
Drawings
Fig. 1 is a schematic circuit connection diagram of the present invention.
The codes in the figures are respectively: 1 is the self preservation contact, 2 is the coil contact, 3 is stop button, 4 is the start button, 5 is normally open display element, 6 is normally closed display element, 7 is normally open contact, 8 is normally closed contact, and N is the zero line, and L is the live wire.
Detailed Description
The utility model discloses do not receive the restriction of following embodiment, can be according to the utility model discloses a technical scheme and actual conditions determine concrete implementation.
The invention will be further described with reference to the following examples and drawings:
as shown in the attached drawing 1, the relay contact offline detection device comprises a zero line N, a live line L, a relay base, a normally open display unit 5, a normally closed display unit 6, a stop button 3 and a start button 4, wherein a coil contact 2, a normally open contact 7 and a normally closed contact 8 are arranged on the relay base;
one end of the coil contact 2 is connected with a zero line N, the other end of the coil contact 2 is connected with one end of a start button 4, the other end of the start button 4 is connected with one end of a stop button 3, and the other end of the stop button 3 is connected with a live line L;
one end of a normally open display unit 5 is connected with a zero line N, the other end of the normally open display unit 5 is connected with one end of a normally open contact 7, and the other end of the normally open contact 7 is connected with a live line L;
one end of the normally closed display unit 6 is connected with the zero line N, the other end of the normally closed display unit 6 is connected with one end of the normally closed contact 8, and the other end of the normally closed contact 8 is connected with the live line L.
The relay base is the prior known technology, can be a base corresponding to the relay with the model DRM570730LT, and the relay to be tested with the model DRM570730LT is inserted on the relay base, so that the contact point detection of the relay to be tested is facilitated; the normally open display unit 5 is a known technology in the prior art, and can be an indicator light for displaying whether the normally open contact 7 acts in place, and if the normally open display unit 5 displays normally, the normally open contact 7 acts in place; if the normally open display unit 5 does not normally display or displays weakly, the normally open contact 7 does not act in place, that is, the normally open contact 7 is completely disconnected or has poor contact and cannot be used.
The normally closed display unit 6 is a conventional technology, and may be an indicator light for displaying whether the normally closed contact 8 is in place, and if the normally closed display unit 6 normally displays, it indicates that the normally closed contact 8 is in place; if the normally closed display unit 6 does not normally display or displays weakly, it indicates that the normally closed contact 8 does not operate properly, that is, the normally closed contact 8 is completely closed or has poor contact and cannot be used.
The utility model discloses specific use as follows:
firstly, a power supply is switched on, a relay to be tested is inserted on a relay base, so that coil contacts, normally open contacts and normally closed contacts on the relay to be tested are correspondingly connected with coil contacts 2, normally open contacts 7 and normally closed contacts 8 on the relay base one by one, a start button 4 is pressed, the coil contacts of the relay to be tested are electrically excited, and if normally displayed by a normally open display unit 5, the normally open contacts of the relay to be tested are closed and move in place; if the normally open display unit 5 does not normally display or displays weakly, the normally open display unit indicates that the normally open contact of the relay to be tested does not execute the closing action or the closing action is not in place, the relay to be tested cannot be put into use, and a worker checks and eliminates faults of the relay; if the normally closed display unit 6 does not normally display, it indicates that the normally closed contact of the relay to be tested is opened in place; if the normally closed display unit 6 displays normally or weakly, it indicates that the normally closed contact of the relay to be tested does not execute the opening action or the opening action is not in place, the relay to be tested cannot be put into use, and the staff checks and eliminates the fault of the relay.
After the test is accomplished, through pressing stop button 3, make the coil contact of being surveyed the relay lose the electricity and lose magnetism, the staff of being convenient for will be surveyed the relay and take off from the relay base and examine the troubleshooting.
To sum up the utility model has the advantages of reasonable and compact structure, convenient to use, on inserting the relay base through the relay that will detect, observe the demonstration of normally opening display element 5 and normally closed display element 6, whether audio-visual judgement normally opens contact 7 and normally closed contact 8 and moves and target in place, solved the current mode that uses relay detection instrument to carry out the inspection processing trouble and had the wiring frequent, easily make mistakes, take place the problem of misjudgement easily, reduced the time that the relay contact detected, easy operation.
The relay contact under-line detection device can be further optimized or/and improved according to actual needs:
as shown in fig. 1, the relay base is provided with a self-protection contact 1, and the self-protection contact 1 is connected in parallel with two ends of a start button 4.
Insert the relay to be surveyed on the relay base for the self preservation contact and the self preservation contact 1 of being surveyed the relay correspond and be connected, manually press start button 4, the coil contact of being surveyed the relay gets electric excitation, when making start button 4 disconnection for preventing voltage or electric current are too high, the normally open contact of being surveyed the relay does not have the closure, this makes the coil contact of being surveyed the relay keep the state of getting electric excitation through setting up the self preservation contact closure of being surveyed the relay, the normally open contact closure of being convenient for being surveyed the relay.
As shown in the attached figure 1, the relay further comprises three circuit breakers, and the three circuit breakers are all electrically connected with the relay base.
The circuit breaker is a known technology, and when the circuit breaker is used, a power supply is connected with three circuit breakers, so that the on-off of the power supply is controlled.
As shown in the attached figure 1, the device further comprises a shell, and the relay base, the normally open display unit 5, the normally closed display unit 6, the stop button 3 and the start button 4 are all arranged on the shell.
The shell is used for installing the relay base, the normally open display unit 5, the normally closed display unit 6, the stop button 3 and the start button 4.
Above technical feature constitutes the utility model discloses a best embodiment, it has stronger adaptability and best implementation effect, can increase and decrease unnecessary technical feature according to actual need, satisfies the demand of different situation.
Claims (5)
1. A relay contact offline detection device is characterized by comprising a zero line, a live line, a relay base, a normally open display unit, a normally closed display unit, a stop button and a start button, wherein the relay base is provided with a coil contact, a normally open contact and a normally closed contact;
one end of the coil contact is connected with the zero line, the other end of the coil contact is connected with one end of the start button, the other end of the start button is connected with one end of the stop button, and the other end of the stop button is connected with the live wire;
one end of the normally open display unit is connected with the zero line, the other end of the normally open display unit is connected with one end of the normally open contact, and the other end of the normally open contact is connected with the live wire;
one end of the normally closed display unit is connected with the zero line, the other end of the normally closed display unit is connected with one end of the normally closed contact, and the other end of the normally closed contact is connected with the live wire.
2. The device of claim 1, wherein the relay base is provided with a self-latching contact, and the self-latching contact is connected in parallel with two ends of the start button.
3. The relay contact down-line detection device according to claim 1 or 2, further comprising three circuit breakers, each of the three circuit breakers being electrically connected to the relay base.
4. The relay contact offline detection device according to claim 1 or 2, further comprising a housing, wherein the relay base, the normally open display unit, the normally closed display unit, the stop button and the start button are all disposed on the housing.
5. The relay contact off-line detection device of claim 3, further comprising a housing, wherein the relay base, the normally open display unit, the normally closed display unit, the stop button, and the start button are disposed on the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021971489.4U CN212965320U (en) | 2020-09-10 | 2020-09-10 | Relay contact under-line detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021971489.4U CN212965320U (en) | 2020-09-10 | 2020-09-10 | Relay contact under-line detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212965320U true CN212965320U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021971489.4U Active CN212965320U (en) | 2020-09-10 | 2020-09-10 | Relay contact under-line detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212965320U (en) |
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2020
- 2020-09-10 CN CN202021971489.4U patent/CN212965320U/en active Active
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