CN209843617U - Heavy current relay with load terminal band signal monitoring - Google Patents

Heavy current relay with load terminal band signal monitoring Download PDF

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Publication number
CN209843617U
CN209843617U CN201920580156.XU CN201920580156U CN209843617U CN 209843617 U CN209843617 U CN 209843617U CN 201920580156 U CN201920580156 U CN 201920580156U CN 209843617 U CN209843617 U CN 209843617U
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CN
China
Prior art keywords
static spring
parts
contact
static
spring
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Withdrawn - After Issue
Application number
CN201920580156.XU
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Chinese (zh)
Inventor
姚茂松
陈帅
彭文超
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Xiamen Hongfa Automotive Electronics Co Ltd
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Xiamen Hongfa Automotive Electronics Co Ltd
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Priority to CN201920580156.XU priority Critical patent/CN209843617U/en
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Publication of CN209843617U publication Critical patent/CN209843617U/en
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Abstract

The utility model discloses a heavy current relay with a load terminal band signal monitoring function, which comprises a machine core part and a base part; the base part comprises two static spring parts and a plastic body which fixes the two static spring parts together in an insulated way by injection molding; the static spring part comprises a main body part horizontally embedded in the plastic body, a contact part bent to be exposed on the plastic body and a connecting part horizontally exposed on the side edge of the plastic body and used as a load terminal; the main body parts of the two static spring parts are respectively provided with a convex part which protrudes upwards and is not covered by the plastic body, and the convex parts are also connected with a signal wire. On one hand, the utility model can monitor the state of the contact in real time, judge whether the relay works normally or not and check the risk in time; on the other hand, the contact opening and closing times of the relay can be collected and counted, and when the failure times are reached, replacement or maintenance can be automatically reminded, so that the normal application of the relay is ensured.

Description

Heavy current relay with load terminal band signal monitoring
Technical Field
The utility model relates to a relay technical field especially relates to a heavy current relay of load terminal band signal control.
Background
A relay is an electronic control device, and is an electric appliance that generates a predetermined step change in a controlled amount in an electric output circuit when a change in an input amount (excitation amount) meets a predetermined requirement. The relay generates a magnetic field by introducing a small current to the coil by means of an electromagnetic device arranged in the relay, attracts or releases the armature by means of the generation or disappearance of the magnetic field, and then drives the movable contact on the movable contact bridge and the fixed contact on the fixed spring terminal to be closed or disconnected, so that the control of large-current operation is realized. In the existing relay, after the contact of the relay is sucked, a corresponding detection component is not used for detecting whether the contact is conducted or not, once the contact is not conducted or the contact is bonded, the problem is difficult to quickly detect and feed back when the relay is used; on the other hand, the contact opening and closing times of the relay also have certain service life requirements, and the conventional relay does not count the contact opening and closing times of the relay, so that the accurate application of the relay is influenced when the failure times are reached.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a heavy current relay with a load terminal band signal monitoring function, which can monitor the state of a contact in real time, judge whether the relay works normally or not and check risks in time through structural improvement on one hand; on the other hand, the contact opening and closing times of the relay can be collected and counted, and when the failure times are reached, replacement or maintenance can be automatically reminded, so that the normal application of the relay is ensured.
The utility model provides a technical scheme that its technical problem adopted is: a load terminal band signal monitoring large current relay comprises a movement part and a base part; the movement part comprises a magnetic circuit part and a movable spring armature part which is operated by the magnetic circuit part; the base part comprises two static spring parts and a plastic body which fixes the two static spring parts together in an insulated way by injection molding; the static spring part is provided with a static contact; the movement part is arranged on the base part and enables a movable contact of a movable spring armature part of the movement part to be matched with a fixed contact of a fixed spring part, so that when the contacts are closed, current flows in from a load terminal of one fixed spring part and flows out from a load terminal of the other fixed spring part; the two static spring parts are also respectively provided with a convex part which protrudes upwards and is not covered by the plastic body, and the convex parts of the two static spring parts are also respectively connected with a signal wire so as to realize the acquisition of signals of the contact closing state and the contact opening and closing times.
The movable spring armature part comprises a bridging piece and movable contacts arranged at two end parts of the bridging piece; the static spring part is of a sheet-shaped structure and comprises a main body part horizontally embedded in the plastic body, a contact part bent to be exposed out of the plastic body and a connecting part horizontally exposed out of the side edge of the plastic body and used as a load terminal, and the static contact is arranged on the contact part; two ends of the bridging piece of the movement part respectively correspond to the contact parts of the two static spring parts; the convex portion is provided on the main body portion of the stationary spring portion.
And a metal conducting strip is arranged between the signal wire and the convex part of the static spring part, and is provided with a first through hole which is matched on the convex part of the static spring part and is connected in a welding or riveting mode.
And one end of each of the two signal wires is connected with the corresponding metal conducting strip, and the other end of each of the two signal wires is connected with a connector and is connected with a control module outside the relay through the connector.
The convex part of the static spring part and the main body part of the static spring part are of an integral structure and are formed by upward flapping of the main body part of the static spring part from the bottom surface.
In the plastic body, relief areas are respectively arranged on the peripheries of the convex parts corresponding to the two static spring parts, springs are respectively sleeved on the convex parts of the two static spring parts, and the springs are compressed between the metal conducting strips and the main body parts of the static spring parts in the corresponding relief areas so as to increase the electric contact area between the metal conducting strips and the static spring parts by utilizing the springs.
The protruding part of the static spring part and the main body part of the static spring part are separate parts, the protruding part of the static spring part is a metal rivet, a second through hole is formed in the corresponding position of the main body part of the static spring part, the metal rivet is matched with the second through hole of the main body part of the static spring part, and the bottom of the metal rivet is matched with the second through hole of the main body part of the static spring part in a riveting mode.
The top of the metal rivet is provided with a step, and the first through hole of the metal conducting strip is matched with the step of the metal rivet.
The signal line is a flexible conductor.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses owing to adopted still to be equipped with one respectively in the main part of two quiet spring parts and upwards the protrusion and not by the convex part that the plastic body covers, still connect a signal line on the convex part of two quiet spring parts respectively to the realization is gathered the signal of contact closed condition and contact switching number of times. According to the structure of the utility model, the signal outgoing line is added on the static spring part, when the contact is closed, the two signal lines are also communicated, and by acquiring the communication signals of the two signal lines, on one hand, the state of the contact can be monitored in real time, whether the relay works normally or not can be judged, and the risk can be checked in time; on the other hand, the contact opening and closing times of the relay can be collected and counted, and when the failure times are reached, replacement or maintenance can be automatically reminded, so that the normal application of the relay is ensured. The utility model discloses make the relay increase signal monitoring function more.
2. The utility model discloses owing to adopted with the convex part of quiet spring part with the main part of quiet spring part is established to discrete part, and the convex part of quiet spring part is metal rivet, and the corresponding position of the main part of quiet spring part is equipped with the second through-hole, with the metal rivet cooperation in the second through-hole of the main part of quiet spring part, with the bottom of metal rivet with the riveting of the second through-hole of the main part of quiet spring part cooperatees. The utility model discloses a process manufacturing of the convex part of quiet spring part of being convenient for, and when the convex part of quiet spring part matches with the metal conducting strip, can not lead to the damage of the plastic body, because the metal rivet is the solid, can also improve the stability of the contact of the convex part of metal conducting strip and quiet spring part.
3. The utility model discloses owing to adopted and be equipped with the step at metal rivet's top, be in the cooperation of the first through-hole of metal conducting strip metal rivet's step department. The utility model discloses a this kind of structure can utilize metal rivet's step to increase the electrically conductive area of metal conducting strip and quiet spring part, improves electrically conductive reliability.
4. The utility model discloses owing to adopted in the plastic body, corresponding to the periphery of the convex part of two quiet spring parts still is equipped with respectively lets the position district, has cup jointed the spring respectively at the convex part of two quiet spring parts, and the spring is compressed in the position district of letting that corresponds metal conducting strip with between the main part of quiet spring part. The utility model discloses a this kind of structure utilizes the deformability of spring, contacts with metal conducting strip, the main part of quiet spring part all the time after the spring warp to can guarantee the reliable connection between signal diagnosis terminal (being metal conducting strip promptly) and the load terminal (being the main part of quiet spring part promptly), further guarantee the transmission of diagnosis signal, thereby can guarantee that the system effectively reads monitoring signal.
5. The utility model discloses owing to adopted the signal line to be the flexible conductor, and the one end of signal line connects the metal conducting strip, and the other end of signal line is connected with a connector, the utility model discloses an utilize the flexible conductor to eliminate the produced stress between the hard joint (sheetmetal and sheetmetal lug connection, drop easily) to the reliability of connection has been improved.
The present invention will be described in further detail with reference to the accompanying drawings and examples; however, the present invention is not limited to the embodiment of the high current relay with signal monitoring at the load terminal.
Drawings
Fig. 1 is a schematic perspective view of a first embodiment of the present invention;
fig. 2 is an exploded perspective view of a first embodiment of the present invention;
fig. 3 is a schematic perspective view of a base portion according to a first embodiment of the present invention;
fig. 4 is a top view of a base portion of a first embodiment of the present invention;
fig. 5 is a schematic view of an inverted side of a base portion according to a first embodiment of the present invention;
fig. 6 is a schematic view of the stationary spring part of the first embodiment of the present invention cooperating with the signal line;
fig. 7 is an exploded view of the stationary spring part of the first embodiment of the present invention cooperating with the signal line;
fig. 8 is a top view of the stationary spring part of the first embodiment of the present invention matching with the signal line;
fig. 9 is a schematic view of a reversed surface of a static spring part of a first embodiment of the present invention, which is matched with a signal line;
FIG. 10 is a cross-sectional view taken along line A-A of FIG. 9;
FIG. 11 is a cross-sectional view taken along line B-B of FIG. 9 (before riveting);
FIG. 12 is a cross-sectional view taken along line B-B of FIG. 9 (after riveting);
fig. 13 is an exploded view of the stationary spring part of the second embodiment of the present invention cooperating with the signal line;
fig. 14 is a schematic view of a reversed surface of a static spring part of a second embodiment of the present invention, which is matched with a signal line;
FIG. 15 is a cross-sectional view taken along line C-C of FIG. 14;
FIG. 16 is a cross-sectional view taken along line D-D of FIG. 14;
fig. 17 is a schematic view of the stationary spring part of the third embodiment of the present invention cooperating with the signal line;
fig. 18 is an exploded view of the stationary spring part of the third embodiment of the present invention cooperating with the signal line;
fig. 19 is a schematic view of a reversed surface of a static spring part of a third embodiment of the present invention, which is matched with a signal line;
FIG. 20 is a cross-sectional view taken along line E-E of FIG. 19;
fig. 21 is a sectional view taken along line F-F in fig. 19.
Detailed Description
Example one
Referring to fig. 1 to 12, the high current relay of the present invention, which is provided with a load terminal band signal monitor, includes a housing 1, a movement part 2 and a base part 3; the shell 1 is arranged on the base part 3 and accommodates the movement part 2, and the movement part 2 comprises a magnetic circuit part 21 and a movable spring armature part 22 operated by the magnetic circuit part; the movable spring armature part 22 comprises a bridging piece 221 and movable contacts 222 arranged at two ends of the bridging piece 221; the moving contact 222 of this embodiment is a separate component and is fixed on the bridging piece 221, but of course, the moving contact may be a protrusion formed integrally by the bridging piece 221, or the moving contact is directly formed by the end of the bridging piece 221; the base part 3 comprises two static spring parts 31 and a plastic body 32 which fixes the two static spring parts 31 together in an insulated way by injection molding; the static spring part 31 is a sheet-shaped structure and comprises a main body part 311 horizontally embedded in the plastic body, a contact part 312 bent to be exposed on the plastic body, and a connecting part 313 horizontally exposed on the side of the plastic body 32 to serve as a load terminal, wherein the contact part 312 is provided with a static contact 314, the static contact 314 of the embodiment is a separate part and is fixed on the contact part 312 of the static spring part 31, and of course, the static contact can also be a bulge integrally formed by the contact part 312 of the static spring part 31, or the static contact can be directly formed by the contact part 312 of the static spring part 31; the movement part 2 is arranged on the base part 3, and two end parts of the bridge piece 221 of the movement part 2 respectively correspond to the contact parts 312 of the two static spring parts 31, so that when contact closing is realized (namely, the movable contacts 222 at two end parts of the bridge piece 221 correspondingly contact the static contacts 314 of the contact parts 312 of the two static spring parts 31), current flows in from the load terminal of one static spring part and flows out from the load terminal of the other static spring part; the main body parts 311 of the two static spring parts 31 are respectively provided with a convex part 4 which protrudes upwards and is not covered by the plastic body 32, and the convex parts 4 of the two static spring parts 31 are respectively connected with a signal wire 5 so as to realize the collection of signals of the contact closing state and the contact opening and closing times.
A metal conducting plate 6 is further arranged between the signal wire 5 and the convex part 4 of the static spring part, the metal conducting plate 6 is provided with a first through hole 61, and the first through hole 61 of the metal conducting plate 6 is matched on the convex part 4 of the static spring part 31 and connected in a welding or riveting mode.
In this embodiment, one end of each of the two signal lines 5 is connected to the corresponding metal conductive sheet 6, and the other end of each of the two signal lines 5 is connected to one connector 7, and is connected to a control module outside the relay through the connector 7.
In this embodiment, the protrusion 4 of the stationary spring portion and the body 311 of the stationary spring portion are separate parts, the protrusion 4 of the stationary spring portion is a metal rivet, a second through hole 315 is provided at a corresponding position of the body 311 of the stationary spring portion, the metal rivet 4 is fitted into the second through hole 315 of the body 311 of the stationary spring portion, and a bottom of the metal rivet 4 is fitted into the second through hole 315 of the body 311 of the stationary spring portion by riveting.
In this embodiment, a step 41 is disposed at the top of the metal rivet 4, and the first through hole 61 of the metal conductive sheet 6 is fitted at the step 41 of the metal rivet 4 and fixed by riveting.
In this embodiment, the signal line 5 is a flexible wire.
The utility model discloses a heavy current relay of load terminal band signal control has adopted still to be equipped with one respectively in main part 311 of two quiet spring parts 31 and upwards protrusion and not quilt the convex part 4 that the plastic body covers, still connect a signal line 5 on the convex part 4 of two quiet spring parts 31 respectively to the realization is gathered the signal of contact closed condition and contact switching number of times. According to the structure of the utility model, by adding the signal outgoing line 5 on the static spring part 31, when the contact is closed, the two signal lines are also communicated, and by collecting the communication signals of the two signal lines, on one hand, the state of the contact can be monitored in real time, whether the relay works normally or not can be judged, and the risk can be checked in time; on the other hand, the contact opening and closing times of the relay can be collected and counted, and when the failure times are reached, replacement or maintenance can be automatically reminded, so that the normal application of the relay is ensured. The utility model discloses make the relay increase signal monitoring function more.
The utility model discloses a heavy current relay of load terminal band signal control, adopted with the convex part 4 of quiet spring part with the main part 311 of quiet spring part is established to discrete part, and the convex part 4 of quiet spring part is metal rivet, and the corresponding position of the main part 311 of quiet spring part is equipped with second through-hole 315, with the cooperation of metal rivet 4 in the second through-hole 315 of the main part 311 of quiet spring part, with the bottom of metal rivet 4 with the riveting of the second through-hole 315 of the main part 31 of quiet spring part cooperatees. The utility model discloses a process manufacturing of the convex part of quiet spring part of being convenient for, and when the convex part of quiet spring part matches with the metal conducting strip, can not lead to the damage of the plastic body, because the metal rivet is the solid, can also improve the stability of the contact of the convex part of metal conducting strip and quiet spring part.
The utility model discloses a heavy current relay of load terminal band signal control has adopted and has been equipped with step 41 at the top of metal rivet 4, is in the cooperation of the first through-hole 61 of metal conducting strip 6 the step 41 department of metal rivet 4. The utility model discloses a this kind of structure can utilize metal rivet's step 41 to increase the electrically conductive area of metal conducting strip 6 and quiet spring part 31, improves electrically conductive reliability.
The utility model discloses a heavy current relay of signal control has been adopted to load terminal band, and signal line 5 is the flexible conductor, and signal line 5's one end connects metal conducting strip 6, and signal line 5's the other end is connected with a connector 7, the utility model discloses an utilize the flexible conductor to eliminate produced stress between the hard joint (sheetmetal and sheetmetal lug connection, drop easily) to the reliability of connection has been improved.
Example two
Referring to fig. 13 to 16, a large current relay with signal monitoring at load terminal according to the present invention is different from the first embodiment in that the convex portion of the static spring portion is formed differently, in the present embodiment, the convex portion 8 of the static spring portion and the main body portion 311 of the static spring portion are integrated into a whole, and are formed by upward flapping of the main body portion 311 of the static spring portion from the bottom surface.
EXAMPLE III
Referring to fig. 17 to 21, the difference between the high current relay with signal monitoring at the load terminal of the present invention and the second embodiment is that, in the plastic body 32, a relief area is further provided around the convex portion 8 corresponding to the two static spring portions, that is, when the base portion 3 is formed by injection molding of the two static spring portions 31, plastic is not wrapped around the convex portion 8, a circle is not provided beside the convex portion 8, so that the main body portion 311 of the static spring portion at this position is exposed, the convex portions 8 of the two static spring portions are respectively sleeved with the springs 9, and the springs 9 are compressed between the metal conductive sheet 6 and the main body portion 311 of the static spring portion in the corresponding relief area, so as to increase the electrical contact area between the metal conductive sheet 6 and the static spring portion 31 by the springs 9; the spring 9 serves to communicate the load terminal (i.e., the stationary spring portion 31) and the signal line connection terminal (i.e., the metal conductive plate 6).
The utility model discloses a heavy current relay of load terminal band signal control has adopted in the plastic body 32, corresponding to the position district is let still being equipped with respectively to the periphery of the convex part 8 of two quiet spring parts 31, has cup jointed spring 9 respectively at the convex part of two quiet spring parts, and spring 9 is compressed in the position district of letting that corresponds metal conducting strip 6 with between the main part 311 of quiet spring part. The utility model discloses a this kind of structure utilizes the deformability of spring 9, contacts with metal conducting strip 6, the main part 311 of quiet spring part all the time after spring 9 warp to can guarantee the reliable connection between signal diagnosis terminal (being metal conducting strip) and the load terminal (being the main part of quiet spring part), further guarantee diagnostic signal's transmission, thereby can guarantee that the system effectively reads monitoring signal.
The foregoing is illustrative of the preferred embodiment of the present invention and is not to be construed as limiting the invention in any way. Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention. The technical solutions disclosed above can be used by those skilled in the art to make many possible variations and modifications, or to modify equivalent embodiments, without departing from the scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims (9)

1. A load terminal band signal monitoring large current relay comprises a movement part and a base part; the movement part comprises a magnetic circuit part and a movable spring armature part which is operated by the magnetic circuit part; the base part comprises two static spring parts and a plastic body which fixes the two static spring parts together in an insulated way by injection molding; the static spring part is provided with a static contact; the movement part is arranged on the base part and enables a movable contact of a movable spring armature part of the movement part to be matched with a fixed contact of a fixed spring part, so that when the contacts are closed, current flows in from a load terminal of one fixed spring part and flows out from a load terminal of the other fixed spring part; the method is characterized in that: the two static spring parts are also respectively provided with a convex part which protrudes upwards and is not covered by the plastic body, and the convex parts of the two static spring parts are also respectively connected with a signal wire so as to realize the acquisition of signals of the contact closing state and the contact opening and closing times.
2. The high current relay of claim 1, wherein: the movable spring armature part comprises a bridging piece and movable contacts arranged at two end parts of the bridging piece; the static spring part is of a sheet-shaped structure and comprises a main body part horizontally embedded in the plastic body, a contact part bent to be exposed out of the plastic body and a connecting part horizontally exposed out of the side edge of the plastic body and used as a load terminal, and the static contact is arranged on the contact part; two ends of the bridging piece of the movement part respectively correspond to the contact parts of the two static spring parts; the convex portion is provided on the main body portion of the stationary spring portion.
3. The high current relay of claim 2, wherein: and a metal conducting strip is arranged between the signal wire and the convex part of the static spring part, and is provided with a first through hole which is matched on the convex part of the static spring part and is connected in a welding or riveting mode.
4. A high current relay according to claim 3, wherein said load terminal band signal monitoring is performed by: and one end of each of the two signal wires is connected with the corresponding metal conducting strip, and the other end of each of the two signal wires is connected with a connector and is connected with a control module outside the relay through the connector.
5. A high current relay according to claim 3, wherein said load terminal band signal monitoring is performed by: the convex part of the static spring part and the main body part of the static spring part are of an integral structure and are formed by upward flapping of the main body part of the static spring part from the bottom surface.
6. The high current relay of claim 5, wherein: in the plastic body, relief areas are respectively arranged on the peripheries of the convex parts corresponding to the two static spring parts, springs are respectively sleeved on the convex parts of the two static spring parts, and the springs are compressed between the metal conducting strips and the main body parts of the static spring parts in the corresponding relief areas so as to increase the electric contact area between the metal conducting strips and the static spring parts by utilizing the springs.
7. A high current relay according to claim 3, wherein said load terminal band signal monitoring is performed by: the protruding part of the static spring part and the main body part of the static spring part are separate parts, the protruding part of the static spring part is a metal rivet, a second through hole is formed in the corresponding position of the main body part of the static spring part, the metal rivet is matched with the second through hole of the main body part of the static spring part, and the bottom of the metal rivet is matched with the second through hole of the main body part of the static spring part in a riveting mode.
8. The high current relay of claim 7, wherein: the top of the metal rivet is provided with a step, and the first through hole of the metal conducting strip is matched with the step of the metal rivet.
9. A high current relay according to any one of claims 1 to 8, wherein: the signal line is a flexible conductor.
CN201920580156.XU 2019-04-25 2019-04-25 Heavy current relay with load terminal band signal monitoring Withdrawn - After Issue CN209843617U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920580156.XU CN209843617U (en) 2019-04-25 2019-04-25 Heavy current relay with load terminal band signal monitoring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920580156.XU CN209843617U (en) 2019-04-25 2019-04-25 Heavy current relay with load terminal band signal monitoring

Publications (1)

Publication Number Publication Date
CN209843617U true CN209843617U (en) 2019-12-24

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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110459439A (en) * 2019-04-25 2019-11-15 厦门宏发汽车电子有限公司 A kind of high-current relay of face terminals band signal monitoring

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110459439A (en) * 2019-04-25 2019-11-15 厦门宏发汽车电子有限公司 A kind of high-current relay of face terminals band signal monitoring
CN110459439B (en) * 2019-04-25 2024-05-14 厦门宏发汽车电子有限公司 Heavy current relay with load terminal having signal monitoring function

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