CN212935067U - Electric interlocking industrial connector box - Google Patents
Electric interlocking industrial connector box Download PDFInfo
- Publication number
- CN212935067U CN212935067U CN202022445432.7U CN202022445432U CN212935067U CN 212935067 U CN212935067 U CN 212935067U CN 202022445432 U CN202022445432 U CN 202022445432U CN 212935067 U CN212935067 U CN 212935067U
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- industrial connector
- relay
- signal lamp
- control switch
- input
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Abstract
The utility model discloses an electric interlocking industrial connector case, including shell, input signal lamp, output signal lamp, relay, control switch, industrial connector and inlet wire, input signal lamp, control switch's power input end all with the inlet wire is connected, control switch's load output end respectively with industrial connector and output signal lamp connect, control switch's release wiring end with the input of relay is connected, the output of relay is connected with industrial connector's auxiliary contact. The utility model discloses an electric chain industrial connector case exports for the outage state when industrial connector unconnected state to guarantee industrial connector's safe plug, improved the security performance of product.
Description
Technical Field
The utility model relates to an industrial connector case, concretely relates to industrial connector case with electric interlocking control function.
Background
The industrial connector is mainly used for industrial equipment to get electricity. The axial one end of industry connector is the electricity and connects the interface, and the axial other end of industry connector is cable access mouth, and outside cable is penetrated by cable access mouth to meet with the interior bolt of electricity connection interface etc..
Industrial connectors are used in a variety of applications and have a variety of connection configurations. However, since the load voltage and the current of a general industrial connector are high, when the industrial connector is plugged and unplugged in a belt state, an arc is often generated, which affects the safety of electrical equipment and operators, so that the conventional industrial connector is generally controlled by a mechanical interlocking method to ensure that the plugging and unplugging of the industrial connector can be operated under the condition of cutting off the power supply. However, the mechanical interlocking structure is complex and high in cost, and is generally only used for small-current industrial connectors.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at solving the not enough among the prior art, provide an electric chain industrial connector case.
The technical scheme is as follows: an electric interlocking industrial connector case, including shell, input signal lamp, output signal lamp, relay, control switch, industrial connector and inlet wire, input signal lamp, control switch's power input end all with the inlet wire is connected, control switch's load output end respectively with industrial connector and output signal lamp are connected, control switch's release wiring end with the input of relay is connected, the output of relay is connected with industrial connector's auxiliary contact.
Furthermore, the control switch adopts a molded case circuit breaker or a disconnecting switch.
Furthermore, the wire inlet adopts three-phase or single-phase power supply input.
Furthermore, the number of signal lamps in the input power signal lamp and the output power signal lamp is the same as the number of phases of the corresponding multi-phase power supply.
Furthermore, a tripper wiring terminal pin 1 of the control switch is connected with one end of a normally closed switch contact of the relay, and the other end of the normally closed switch contact of the relay is connected with a power supply end.
Further, the industrial connector adopts a multi-core structure.
Furthermore, a plurality of mounting holes are distributed on the shell.
Furthermore, the relay adopts an intermediate relay.
Has the advantages that: the utility model has the advantages as follows:
(1) when the industrial connector plug is not connected, the auxiliary contact of the industrial connector plug is not connected, the normally closed contact of the intermediate relay is connected with the power supply of the tripper, and the tripper acts, so that the circuit breaker trips, and even if the circuit breaker is closed, the power supply cannot be electrified, thereby ensuring that the industrial connector plug cannot be plugged in and pulled out with electricity, and the safety is high;
(2) the utility model discloses an industrial connector case, when industrial connector load connection normal work, if pull out industrial connector plug this moment, because industrial connector auxiliary contact can break off before the main power supply contact, the relay becomes normally closed contact by normally open contact, the action of tripper, circuit breaker output power disconnection to guarantee the safety of the plug of industrial connector, further improve the security performance;
(3) the utility model discloses a structural design is compact, can be applicable to the plug safety inspection of multiple industrial connector, and the security performance is high.
Drawings
FIG. 1 is a front view of the structure of an embodiment of the present invention;
fig. 2 is a schematic diagram of a circuit connection according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
An electric interlocking industrial connector box as shown in fig. 1 and fig. 2, including shell 1, input power signal lamp 3, output power signal lamp 4, relay 5, circuit breaker 6, industrial connector 7 and inlet 8, input power signal lamp 3, circuit breaker 6's power input end all with inlet 8 is connected, circuit breaker 6's load output end respectively with industrial connector 7 and output power signal lamp 4 are connected, circuit breaker 6's release terminal pin 1 with the input of relay 5 is connected, the output of relay 5 is connected with industrial connector 7's auxiliary contact, and relay 5 preferably adopts the auxiliary relay.
In this embodiment, the inlet 8 is connected to a three-phase ac power source, i.e., live lines L1, L2, L3, and neutral line N. Correspondingly, the number of the input power signal lamps 3 is three, and the three input power signal lamps are respectively connected with a live line L1, a live line L2 and a live line L3 in parallel, and similarly, the power input end of the breaker 6 is respectively connected with a live line L1, a live line L2, a live line L3 and a neutral line N.
In this embodiment, the load output end of the circuit breaker 6 is connected with three output power signal lamps 4, and the three output power signal lamps 4 are respectively connected with the load output ends (the live wire end and the zero line end) of the circuit breaker 6 to form a loop. Meanwhile, the load output end of the breaker 6 is also connected with the connection node of the industrial connector 7.
In this embodiment, the industrial connector 7 preferably has a multi-core structure, and in this embodiment, a 7-core structure is taken as an example for description, wherein the live and neutral nodes of the industrial connector 7 are respectively connected to the load output terminals (live L1, L2, L3, and neutral N) of the circuit breaker 6, and the ground node of the industrial connector 7 is grounded.
In this embodiment, the industrial connector 7 has an auxiliary contact a (shown in fig. 2), which is used to detect whether a plug is inserted into the interface of the industrial connector 7. The auxiliary contact a is connected to an output pin ⑭ of the relay 5. In the relay 5, a normally open contact switch is arranged between a pin (c) and a pin (c), a normally closed contact is arranged between a pin (c) and a pin (⑫), wherein the pin (c) of the normally closed contact is connected with a pin (1) of a release of the circuit breaker 6, and a pin (⑫) of the normally closed contact is connected with a live wire (L3) of an input power end. Under the normal condition, the 1 foot of release of circuit breaker 6 is connected and is the normally closed contact of relay 5, and circuit breaker 6 normal condition release power is the connected state promptly, then the circuit breaker output is not circular telegram, even stir the opening button of circuit breaker, because relay end normally closed contact return circuit circular telegram, the release action, the circuit breaker tripping operation, main power output is electroless.
The auxiliary contacts of the industrial connector plug are shorted, i.e. conductive. After the plug of the industrial connector is plugged, the coil of the relay 5 is electrified, the normally closed contact is disconnected, the release of the breaker 6 loses power, the handle of the breaker is shifted at the moment, and the output of a main power supply has no power.
The circuit breaker 6 in this embodiment may also preferably be a disconnector.
In this embodiment, preferably, a plurality of mounting holes 2 are distributed on the housing 1, and the box body can be fixed through the mounting holes 2. Wherein the shell 1 is made of flame retardant materials, and has the functions of arc prevention, water prevention, dust prevention and the like.
The utility model discloses an industrial connector case's theory of operation is:
(1) when the industrial connector box is not connected with the industrial connector interface plug, the auxiliary contact A does not detect an electrifying connection signal at the moment, the relay is in a normally closed contact connection state, the circuit breaker release is electrified at the moment, and the circuit breaker can be normally plugged and unplugged at the moment due to the action of the relay and the release even if the circuit breaker is closed, so that the normal plugging and unplugging of the industrial connector plug are ensured, and the safety is high;
(2) when the ports of the industrial connector are normally connected, the auxiliary contact A detects a plug connection signal at the moment, the relay coil is electrified, the normally closed contact of the relay is converted into a normally open contact state, the release of the circuit breaker 6 is in a non-electricity state at the moment, the handle of the circuit breaker is pulled open at the moment, the output power of the circuit breaker is normally electrified, the signal lamp 4 of the output power is lightened, and the power can be directly transmitted to the industrial connector;
(3) when the industrial connector load is connected with normal work (namely when the output power signal lamp 4 is normally lighted), if the plug of the industrial connector is pulled out at the moment, because the auxiliary connection point A of the industrial connector can be disconnected before the main power supply contact, the relay is changed into the normally closed contact from the normally open contact, and the breaker tripper disconnects the output load power at the moment, so that the safety of the plugging and unplugging of the industrial connector is ensured, and the safety performance is further improved.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.
Claims (8)
1. An electric interlocking industrial connector box which characterized in that: including shell (1), input signal lamp (3), output signal lamp (4), relay (5), control switch (6), industrial connector (7) and inlet (8), the power input end of input signal lamp (3), control switch (6) all with inlet (8) are connected, the load output of control switch (6) respectively with industrial connector (7) and output signal lamp (4) are connected, the release wiring end of control switch (6) with the input of relay (5) is connected, the output of relay (5) is connected with the auxiliary contact of industrial connector (7).
2. An electrical linkage industrial connector box according to claim 1, wherein: the control switch (6) adopts a molded case circuit breaker or a disconnecting switch.
3. An electrical linkage industrial connector box according to claim 1, wherein: the wire inlet (8) adopts three-phase or single-phase power supply input.
4. An electrical linkage industrial connector box according to claim 1, wherein: the number of signal lamps in the input power signal lamp (3) and the output power signal lamp (4) is the same as the number of phases of the corresponding multi-phase power supply.
5. An electrical linkage industrial connector box according to claim 1, wherein: and a tripper wiring terminal pin 1 of the control switch (6) is connected with one end of a normally closed switch contact of the relay (5), and the other end of the normally closed switch contact of the relay (5) is connected with a power supply end.
6. An electrical linkage industrial connector box according to claim 1, wherein: the industrial connector (7) adopts a multi-core structure.
7. An electrical linkage industrial connector box according to claim 1, wherein: a plurality of mounting holes (2) are distributed on the shell (1).
8. An electrical linkage industrial connector box according to claim 1, wherein: the relay (5) adopts an intermediate relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022445432.7U CN212935067U (en) | 2020-10-29 | 2020-10-29 | Electric interlocking industrial connector box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022445432.7U CN212935067U (en) | 2020-10-29 | 2020-10-29 | Electric interlocking industrial connector box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212935067U true CN212935067U (en) | 2021-04-09 |
Family
ID=75311808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022445432.7U Active CN212935067U (en) | 2020-10-29 | 2020-10-29 | Electric interlocking industrial connector box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212935067U (en) |
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2020
- 2020-10-29 CN CN202022445432.7U patent/CN212935067U/en active Active
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