Connector state indication module and connector
By directly contacting the terminals with the connector status indicator module, and using the terminal electrical signals to drive the indicator lights to illuminate, the problems of high cost and complex wiring harnesses in the prior art are solved, achieving highly integrated and low-cost connector status indication.
Patent Information
- Application Number
- CN202520491722.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-19
AI Technical Summary
In the existing technology, the working status indication of the connector requires modification of the main control board and adjustment of the electrical connection structure, resulting in high cost and complex signal acquisition harness.
A connector status indication module is provided, including a circuit board, an indicator light, and contacts. It makes direct electrical contact with the terminals of the connector and uses the electrical signal transmitted from the terminals to drive the indicator light to illuminate, eliminating the need for a signal acquisition harness.
It achieves highly integrated, low-cost connector status indication, reduces electrical signal attenuation, has strong anti-interference capabilities, and is suitable for various connectors.
Smart Images

Figure CN223912012U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a connector state indication module for indicating the working state of a connector and a connector comprising the connector state indication module. BACKGROUND
[0002] In the prior art, in order to display the working state of a connector, a main control board is first used to collect the electrical signals transmitted by the terminals of the connector, and then the main control board drives the LED lamp connected thereto to emit light according to the collected electrical signals. If a customer wants to add an indication function to the main control board, the main control board must be modified, and the corresponding electrical connection structure also needs to be adjusted, which results in a high cost. In the prior art, a signal collection harness needs to be arranged between the main control board and the connector, and a connection harness needs to be arranged between the main control board and the LED lamp, thus resulting in a high cost. SUMMARY
[0003] The utility model aims at solving at least one aspect of the above problems and defects in the prior art.
[0004] According to one aspect of the utility model, a connector state indication module is provided. The connector state indication module comprises a circuit board, an indicator lamp mounted on the circuit board, and two contact pieces mounted on the circuit board and respectively electrically connected to the positive and negative poles of the indicator lamp via conductive traces on the circuit board. The connector state indication module is adapted to be inserted into the housing of a connector, the two contact pieces are adapted to be electrically contacted with two terminals of the connector, and the indicator lamp is adapted to emit light under the driving of the electrical signals transmitted by the two terminals to indicate the working state of the connector.
[0005] According to one exemplary embodiment of the utility model, the circuit board has opposite front and back surfaces in the thickness direction thereof, the indicator lamp is mounted on the front surface of the circuit board, and the two contact pieces are mounted on the back surface of the circuit board.
[0006] According to another exemplary embodiment of the utility model, two pads are formed on the circuit board, and the two contact pieces are respectively soldered to the two pads of the circuit board.
[0007] According to another exemplary embodiment of the utility model, the contact piece comprises a soldering plate soldered to the pad of the circuit board, and a cantilever part connected to the soldering plate, the cantilever part being used to electrically contact with the terminal.
[0008] According to another exemplary embodiment of the utility model, the contact piece is an integral stamping member.
[0009] According to another exemplary embodiment of the present application, the indicator light is a surface-mounted LED light.
[0010] According to another aspect of the present application, a connector is provided. The connector includes a housing, a plurality of terminals disposed in the housing, and the aforementioned connector status indicating module inserted into the housing. Two contact pieces of the connector status indicating module are in electrical contact with two terminals in the housing, respectively, and the indicator light is adapted to emit light under the drive of an electrical signal transmitted by the two terminals to indicate the working status of the connector.
[0011] According to an exemplary embodiment of the present application, the connector further includes a light guide tube mounted to the housing, the light guide tube having an inner end located in the housing and in contact with or adjacent to the indicator light, and an outer end located outside the housing, such that the light emitted by the indicator light can be propagated to the outside of the housing via the light guide tube.
[0012] According to another exemplary embodiment of the present application, the light guide tube is a straight light guide tube extending in a straight line.
[0013] According to another exemplary embodiment of the present application, the light guide tube is a bent light guide tube bent into a predetermined shape.
[0014] According to another exemplary embodiment of the present application, the light guide tube is an L-shaped, arc-shaped, U-shaped or S-shaped bent light guide tube.
[0015] According to another exemplary embodiment of the present application, a slot hole is formed in the peripheral wall of the housing, and the light guide tube extends out of the housing via the slot hole; a limiting flange is formed on the inner end of the light guide tube, and the limiting flange is adapted to abut on the inner side of the peripheral wall of the housing to prevent the light guide tube from being pulled out of the slot hole.
[0016] According to another exemplary embodiment of the present application, the end face of the inner end of the light guide tube faces and is in contact with or adjacent to the light emitting face of the indicator light.
[0017] According to another exemplary embodiment of the present application, a transparent window facing the indicator light is formed on the housing, such that the light emitted by the indicator light can be propagated to the outside of the housing via the transparent window.
[0018] According to another exemplary embodiment of the present application, the housing is made of a transparent material, such that the light emitted by the indicator light can be propagated to the outside of the housing via the housing.
[0019] According to another exemplary embodiment of the present application, the connector further comprises a holder mounted to the housing for holding the connector status indication module at a predetermined mounting position.
[0020] According to another exemplary embodiment of the present application, the holder comprises an end plate having opposite first and second sides, a positioning plate connected to the first side of the end plate, and an elastic buckle connected to the second side of the end plate. A clamping groove is formed on the elastic buckle, a protrusion is formed on the outer side of the peripheral wall of the housing, the protrusion engages with the clamping groove of the elastic buckle to lock the holder to the housing, the positioning plate is inserted into the housing, and the circuit board of the connector status indication module is clamped between the positioning plate and the peripheral wall of the housing to hold the circuit board at a predetermined mounting position.
[0021] According to another exemplary embodiment of the present application, the circuit board has opposite left and right sides in the transverse direction of the housing, opposite front and back sides in the longitudinal direction of the housing, and opposite front and back surfaces in the height direction of the housing. A limiting rib abutting against the left or right side of the circuit board and a limiting step abutting against the front side of the circuit board are formed on the inner side of the peripheral wall of the housing. The end plate abuts against the back side of the circuit board, the positioning plate abuts against the back surface of the circuit board, and the peripheral wall of the housing abuts against the front surface of the circuit board.
[0022] According to another exemplary embodiment of the present application, the holder further comprises a holding plate connected to the second side of the end plate and arranged side by side with the elastic buckle. An arc-shaped positioning surface is formed on the front end of the holding plate, and the arc-shaped positioning surface abuts against the light guide pipe for holding the light guide pipe at a predetermined position.
[0023] According to another exemplary embodiment of the present application, the connector further comprises a locking member inserted into the housing for locking the plurality of terminals in the housing. The locking member has a partition rib extending in the longitudinal direction of the housing. A guide groove is formed on the positioning plate of the holder, and the guide groove cooperates with the partition rib to guide the holder to be inserted into the housing in the longitudinal direction and to be positioned in the transverse direction of the housing.
[0024] According to another exemplary embodiment of the present application, the plurality of terminals are arranged in two rows, and two contact members of the connector status indication module are respectively in electrical contact with two adjacent terminals in one row.
[0025] According to another exemplary embodiment of the present application, the connector further comprises: a plurality of cables, respectively electrically connected to the rear ends of the plurality of terminals, the front ends of the terminals being configured to be mated with mating terminals of a mating connector.
[0026] In the aforementioned exemplary embodiments of the present application, the connector status indication module is inserted into the housing of the connector, directly electrically contacts with the terminals of the connector, and directly drives the indicator light to emit light by using the electrical signal transmitted by the terminals.
[0027] In addition, in the aforementioned exemplary embodiments of the present application, the light guide tube can be designed into a suitable shape according to actual application, and the connector status indication module can be inserted into the housing of a commonly used connector, thus the present application can be applied to various application situations and various connectors, and has strong versatility.
[0028] Other objects and advantages of the present application will become apparent and help to understand the present application from the following description of the present application with reference to the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS
[0029] Figure 1 FIG. 6 shows a perspective view of the connector status indication module according to an exemplary embodiment of the present application, as viewed from the front;
[0030] Figure 2 FIG. 7 shows a perspective view of the connector status indication module according to an exemplary embodiment of the present application, as viewed from the back;
[0031] Figure 3 FIG. 8 shows an exploded view of the connector status indication module according to an exemplary embodiment of the present application, as viewed from the back;
[0032] Figure 4 FIG. 9 shows a schematic view of the electrical contact between the connector status indication module and the terminals of the connector according to an exemplary embodiment of the present application;
[0033] Figure 5 FIG. 10 shows a perspective view of the connector according to an exemplary embodiment of the present application;
[0034] Figure 6 FIG. 11 shows an exploded view of the connector according to an exemplary embodiment of the present application;
[0035] Figure 7 FIG. 12 shows an exploded sectional view of the connector according to an exemplary embodiment of the present application;
[0036] Figure 8 shows a cross-sectional view of a connector according to an exemplary embodiment of the present application, in which a retainer has not yet been mounted to a housing;
[0037] Figure 9 shows a cross-sectional view of a connector according to an exemplary embodiment of the present application;
[0038] Figure 10 shows a perspective view of a retainer according to an exemplary embodiment of the present application;
[0039] Figure 11 shows a perspective view of a connector according to another exemplary embodiment of the present application. DETAILED DESCRIPTION
[0040] The technical solutions of the present application will be further described below in conjunction with the accompanying drawings. In the description, identical or similar reference numerals indicate identical or similar components. The following description of the embodiments of the present application with reference to the accompanying drawings is intended to explain the general inventive concept of the present application, and should not be construed as a limitation of the present application.
[0041] In addition, in the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. However, it will be apparent to one skilled in the art that one or more embodiments can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form in order to simplify the accompanying drawings.
[0042] According to one general inventive concept, a connector status indication module is provided. The connector status indication module includes a circuit board, an indication lamp mounted on the circuit board, and two contacts mounted on the circuit board and electrically connected to an anode and a cathode of the indication lamp, respectively, via conductive traces on the circuit board. The connector status indication module is adapted to be inserted into a housing of a connector, the two contacts are adapted to be in electrical contact with two terminals of the connector, respectively, and the indication lamp is adapted to emit light under the drive of an electrical signal transmitted by the two terminals to indicate the working status of the connector.
[0043] According to another general inventive concept, a connector is provided. The connector includes a housing, a plurality of terminals disposed in the housing, and the aforementioned connector status indication module inserted into the housing. The two contacts of the connector status indication module are in electrical contact with the two terminals in the housing, respectively, and the indication lamp is adapted to emit light under the drive of an electrical signal transmitted by the two terminals to indicate the working status of the connector.
[0044] Figure 1 This is a perspective view of a connector status indication module 1 according to an exemplary embodiment of the present invention, viewed from the front. Figure 2 This is a perspective view of the connector status indication module 1 according to an exemplary embodiment of the present invention, viewed from the rear. Figure 3 This diagram shows an exploded view of the connector status indication module 1 according to an exemplary embodiment of the present invention, viewed from the rear. Figure 4 A schematic diagram showing the electrical contact between the connector status indicator module 1 and the connector terminal 3 according to an exemplary embodiment of the present invention; Figure 5 A perspective view of a connector according to an exemplary embodiment of the present invention is shown; Figure 6 An exploded view of a connector according to an exemplary embodiment of the present invention is shown; Figure 7 Showing an anatomical view of a connector according to an exemplary embodiment of the present invention; Figure 8 This shows a cross-sectional view of a connector according to an exemplary embodiment of the present invention, wherein the retainer 5 has not yet been mounted onto the housing 2; Figure 9 Showing a cross-sectional view of a connector according to an exemplary embodiment of the present invention; Figure 10 This diagram shows a perspective view of a retainer 5 according to an exemplary embodiment of the present invention.
[0045] like Figures 1 to 10 As shown, in an exemplary embodiment of this utility model, a connector status indication module 1 is disclosed. The connector status indication module 1 includes: a circuit board 10, an indicator light 11, and two contacts 12. The indicator light 11 is mounted on the circuit board 10. The two contacts 12 are mounted on the circuit board 10 and electrically connected to the positive and negative terminals of the indicator light 11 respectively via conductive traces on the circuit board 10. The connector status indication module 1 is adapted to be inserted into the housing 2 of a connector, the two contacts 12 are adapted to make electrical contact with the two terminals 3 of the connector respectively, and the indicator light 11 is adapted to emit light under the drive of electrical signals transmitted from the two terminals 3 to indicate the working status of the connector.
[0046] like Figures 1 to 10 As shown, in the illustrated embodiment, the circuit board 10 has a front and a back facing each other in its thickness direction, an indicator light 11 is mounted on the front of the circuit board 10, and two contacts 12 are mounted on the back of the circuit board 10.
[0047] like Figures 1 to 10 As shown, in the illustrated embodiment, two pads 100 are formed on the circuit board 10, and two contacts 12 are respectively soldered to the two pads 100 of the circuit board 10.
[0048] As Figures 1 to 10 shown in the illustrated embodiment, the contact 12 includes a solder plate 120 and a cantilever portion 121. The solder plate 120 is soldered to the pad 100 of the circuit board 10. The cantilever portion 121 is connected to the solder plate 120. The cantilever portion 121 is used to make electrical contact with the terminal 3.
[0049] As Figures 1 to 10 shown in the illustrated embodiment, the contact 12 can be an integrally stamped and formed piece.
[0050] As Figures 1 to 10 shown in the illustrated embodiment, the indicator lamp 11 can be a surface mount type LED lamp that is soldered to the circuit board 10 in a surface mount manner.
[0051] As Figures 1 to 10 shown in another exemplary embodiment of the present application, a connector is also disclosed. The connector includes a housing 2, a plurality of terminals 3 and the aforementioned connector status indication module 1. The plurality of terminals 3 are disposed in the housing 2. The connector status indication module 1 is inserted into the housing 2. The two contacts 12 of the connector status indication module 1 are respectively in electrical contact with the two terminals 3 in the housing 2, and the indicator lamp 11 is adapted to emit light under the drive of the electrical signal transmitted by the two terminals 3 to indicate the working status of the connector.
[0052] As Figures 1 to 10 shown in the illustrated embodiment, the connector further includes a light guide tube 4 that is mounted to the housing 2. The light guide tube 4 has an inner end located in the housing 2 and in contact with or adjacent to the indicator lamp 11, and an outer end located outside the housing 2, so that the light emitted by the indicator lamp 11 can be propagated to the outside of the housing 2 via the light guide tube 4.
[0053] As Figures 1 to 10 shown in the illustrated embodiment, the light guide tube 4 is a straight light guide tube that extends in a straight line. However, the present application is not limited thereto, for example, the light guide tube 4 can also be a bent light guide tube that is bent into a predetermined shape.
[0054] Figure 11 A perspective view schematically showing a connector according to another exemplary embodiment of the present application is shown.
[0055] Figure 11 The connector shown in Figures 1 to 10 differs from the connector shown in Figure 11 only in the shape of the light guide tube 4. In the embodiment shown in
[0056] AsFigures 1 to 10 As shown in the illustrated embodiment, a through-hole 24 is formed in the peripheral wall of the housing 2, and the light guide tube 4 extends from the housing 2 via the through-hole 24. A limiting flange 4a is formed on the inner end of the light guide tube 4, and the limiting flange 4a is adapted to abut on the inner side of the peripheral wall of the housing 2 to prevent the light guide tube 4 from being pulled out of the through-hole 24.
[0057] As shown in the illustrated embodiment, the end face of the inner end of the light guide tube 4 faces the light emitting face of the indicator lamp 11 and is in contact with or adjacent to the light emitting face of the indicator lamp 11. Figures 1 to 10
[0058] However, it should be noted that the present application is not limited to the illustrated embodiment, for example, in another exemplary embodiment of the present application, a transparent window facing the indicator lamp 11 is formed in the housing 2, so that the light emitted by the indicator lamp 11 can be transmitted to the outside of the housing 2 via the transparent window. In this way, the aforementioned light guide tube 4 can be omitted.
[0059] In another exemplary embodiment of the present application, the housing 2 can be made of a transparent material, so that the light emitted by the indicator lamp 11 can be directly transmitted to the outside of the housing 2 through the housing 2. In this way, the aforementioned light guide tube 4 can also be omitted.
[0060] As shown in the illustrated embodiment, the connector further includes a holder 5 mounted to the housing 2 for holding the connector status indication module 1 in a predetermined mounting position. Figures 1 to 10 As shown in the illustrated embodiment, the holder 5 includes an end plate 51, a positioning plate 52 and an elastic buckle 53. The end plate 51 has a first side (lower side) and a second side (upper side) opposite in the height direction Z of the housing 2. The positioning plate 52 is connected to the first side of the end plate 51. The elastic buckle 53 is connected to the second side of the end plate 51. A clamping groove 5a is formed on the elastic buckle 53, and a protrusion 2a is formed on the outer side of the peripheral wall of the housing 2, which engages with the clamping groove 5a of the elastic buckle 53 to lock the holder 5 to the housing 2. The positioning plate 52 is inserted into the housing 2, and the circuit board 10 of the connector status indication module 1 is clamped between the positioning plate 52 and the peripheral wall of the housing 2 to hold the circuit board 10 in a predetermined mounting position.
[0061] Figures 1 to 10 As shown in the illustrated embodiment, the holder 5 includes an end plate 51, a positioning plate 52 and an elastic buckle 53. The end plate 51 has a first side (lower side) and a second side (upper side) opposite in the height direction Z of the housing 2. The positioning plate 52 is connected to the first side of the end plate 51. The elastic buckle 53 is connected to the second side of the end plate 51. A clamping groove 5a is formed on the elastic buckle 53, and a protrusion 2a is formed on the outer side of the peripheral wall of the housing 2, which engages with the clamping groove 5a of the elastic buckle 53 to lock the holder 5 to the housing 2. The positioning plate 52 is inserted into the housing 2, and the circuit board 10 of the connector status indication module 1 is clamped between the positioning plate 52 and the peripheral wall of the housing 2 to hold the circuit board 10 in a predetermined mounting position.
[0062] As shown in the illustrated embodiment, the holder 5 includes an end plate 51, a positioning plate 52 and an elastic buckle 53. The end plate 51 has a first side (lower side) and a second side (upper side) opposite in the height direction Z of the housing 2. The positioning plate 52 is connected to the first side of the end plate 51. The elastic buckle 53 is connected to the second side of the end plate 51. A clamping groove 5a is formed on the elastic buckle 53, and a protrusion 2a is formed on the outer side of the peripheral wall of the housing 2, which engages with the clamping groove 5a of the elastic buckle 53 to lock the holder 5 to the housing 2. The positioning plate 52 is inserted into the housing 2, and the circuit board 10 of the connector status indication module 1 is clamped between the positioning plate 52 and the peripheral wall of the housing 2 to hold the circuit board 10 in a predetermined mounting position. Figures 1 to 10 As shown in the illustrated embodiment, the circuit board 10 has opposite left and right sides in the lateral direction X of the housing 2, opposite front and back sides in the longitudinal direction Y of the housing 2, and opposite front and back surfaces in the height direction Z of the housing 2. A limiting rib 21 abutting against the left or right side of the circuit board 10 and a limiting step 22 abutting against the front side of the circuit board 10 are formed on the inner side of the peripheral wall of the housing 2. The end plate 51 abuts against the back side of the circuit board 10, the positioning plate 52 abuts against the back surface of the circuit board 10, and the peripheral wall of the housing 2 abuts against the front surface of the circuit board 10. In this way, the circuit board 10 can be guaranteed to be positioned at a predetermined mounting position.
[0063] As shown in the illustrated embodiment, the connector further comprises a plurality of terminals 3, each of which is arranged to be electrically connected to a corresponding cable 7. Figures 1 to 10 As shown in the illustrated embodiment, the retainer 5 further comprises a retainer plate 54 connected to the second side of the end plate 51 and arranged side by side with the elastic buckle 53, and an arc-shaped positioning surface 5c is formed on the front end of the retainer plate 54, which abuts against the light guide pipe 4 to retain the light guide pipe 4 at a predetermined position.
[0064] As shown in the illustrated embodiment, the connector further comprises a plurality of terminals 3, each of which is arranged to be electrically connected to a corresponding cable 7. Figures 1 to 10 As shown in the illustrated embodiment, the connector further comprises a locking member 6 inserted into the housing 2 for locking the plurality of terminals 3 in the housing 2. The locking member 6 has a partition rib 6b extending in the longitudinal direction Y of the housing 2, and a guide groove 5b is formed on the positioning plate 52 of the retainer 5, which cooperates with the partition rib 6b to guide the retainer 5 to be inserted into the housing 2 in the longitudinal direction Y and to be positioned in the lateral direction X of the housing 2.
[0065] As shown in the illustrated embodiment, the connector further comprises a plurality of terminals 3, each of which is arranged to be electrically connected to a corresponding cable 7. Figures 1 to 10 As shown in the illustrated embodiment, the plurality of terminals 3 are arranged in two rows, and the two contact members 12 of the connector status indication module 1 are respectively electrically connected to two adjacent terminals 3 in one row.
[0066] As shown in the illustrated embodiment, the connector further comprises a plurality of terminals 3, each of which is arranged to be electrically connected to a corresponding cable 7. Figures 1 to 10 As shown in the illustrated embodiment, the connector further comprises a plurality of cables 7, each of which is electrically connected to the rear end of a corresponding terminal 3. The front end of the terminal 3 is arranged to be mated with a mating terminal (not shown) of a mating connector (not shown).
[0067] Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can make improvements thereto, and the structures described in various embodiments can be freely combined without structural or principle conflicts, and these changes shall fall within the protection scope of the utility model.
[0068] Although the utility model has been described in conjunction with the drawings, the embodiments disclosed in the drawings are intended to exemplarily illustrate the preferred embodiments of the utility model, and cannot be understood as a limitation of the utility model.
[0069] While some embodiments of the general inventive concept have been shown and described, it is to be understood that changes can be made in these embodiments, without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
[0070] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. Additionally, any reference signs in the claims should not be construed as limiting the scope of the claims.
Claims
1. A connector status indication module, characterized in that, include: Circuit board (10); Indicator light (11) is mounted on the circuit board (10); and Two contacts (12) are mounted on the circuit board (10) and electrically connected to the positive and negative terminals of the indicator light (11) respectively via conductive traces on the circuit board (10). The connector status indicator module (1) is adapted to be inserted into the housing (2) of the connector, the two contacts (12) are adapted to make electrical contact with the two terminals (3) of the connector respectively, and the indicator light (11) is adapted to emit light under the drive of the electrical signal transmitted by the two terminals (3) to indicate the working status of the connector.
2. The connector status indication module according to claim 1, characterized in that: The circuit board (10) has a front and a back facing each other in its thickness direction, the indicator light (11) is mounted on the front of the circuit board (10), and the two contacts (12) are mounted on the back of the circuit board (10).
3. The connector status indication module according to claim 1, characterized in that: Two pads (100) are formed on the circuit board (10), and the two contacts (12) are respectively soldered to the two pads (100) of the circuit board (10).
4. The connector status indication module according to claim 3, characterized in that: The contact element (12) includes: A soldering plate (120) is soldered to the pads (100) of the circuit board (10); and The cantilever portion (121) is connected to the welding plate (120). The cantilever (121) is used for electrical contact with the terminal (3).
5. The connector status indication module according to claim 4, characterized in that: The contact element (12) is an integral stamped part.
6. The connector status indication module according to claim 1, characterized in that: The indicator light (11) is a surface mount LED, which is soldered onto the circuit board (10) in a surface mount manner.
7. A connector, characterized in that, include: Shell (2); Multiple terminals (3) are disposed in the housing (2); and The connector status indicator module (1) according to any one of claims 1-6 is inserted into the housing (2). The two contacts (12) of the connector status indicator module (1) are electrically connected to the two terminals (3) in the housing (2), and the indicator light (11) is adapted to emit light under the drive of the electrical signal transmitted by the two terminals (3) to indicate the working status of the connector.
8. The connector according to claim 7, characterized in that, Also includes: The light guide tube (4) is installed on the housing (2). The light guide tube (4) has an inner end located in the housing (2) and in contact with or adjacent to the indicator light (11) and an outer end located outside the housing (2), so that the light emitted by the indicator light (11) can be propagated to the outside of the housing (2) via the light guide tube (4).
9. The connector according to claim 8, characterized in that: The light guide tube (4) is a straight light guide tube that extends in a straight line.
10. The connector according to claim 8, characterized in that: The light guide tube (4) is a bent light guide tube that has been bent into a predetermined shape.
11. The connector according to claim 10, characterized in that: The light guide tube (4) is an L-shaped, arc-shaped, U-shaped, or S-shaped bent light guide tube.
12. The connector according to claim 8, characterized in that: A slot (24) is formed on the peripheral wall of the housing (2), and the light guide tube (4) extends out of the housing (2) through the slot (24); A limiting flange (4a) is formed on the inner end of the light guide tube (4), the limiting flange (4a) being adapted to abut against the inner side of the peripheral wall of the housing (2) to prevent the light guide tube (4) from being pulled out of the slot (24).
13. The connector according to claim 8, characterized in that: The inner end face of the light guide tube (4) faces the light-emitting surface of the indicator light (11) and is in contact with or adjacent to the light-emitting surface of the indicator light (11).
14. The connector according to claim 7, characterized in that: A transparent window facing the indicator light (11) is formed on the housing (2), so that the light emitted by the indicator light (11) can be transmitted to the outside of the housing (2) through the transparent window.
15. The connector according to claim 7, characterized in that: The housing (2) is made of a transparent material, so that the light emitted by the indicator light (11) can be transmitted through the housing (2) to the outside of the housing (2).
16. The connector according to claim 8, characterized in that, Also includes: A retainer (5) is installed on the housing (2) to hold the connector status indicator module (1) in a predetermined installation position.
17. The connector according to claim 16, characterized in that: The retainer (5) includes: End plate (51) having opposing first and second sides; Positioning plate (52), connected to the first side of end plate (51); and The elastic buckle (53) is connected to the second side of the end plate (51). A slot (5a) is formed on the elastic buckle (53), and a protrusion (2a) is formed on the outer side of the peripheral wall of the housing (2). The protrusion (2a) engages with the slot (5a) of the elastic buckle (53) to lock the retainer (5) to the housing (2). The positioning plate (52) is inserted into the housing (2). The circuit board (10) of the connector status indicator module (1) is clamped between the positioning plate (52) and the peripheral wall of the housing (2) to hold the circuit board (10) in a predetermined installation position.
18. The connector according to claim 17, characterized in that: The circuit board (10) has a left and right side opposite to each other in the transverse (X) direction of the housing (2), a front and a rear side opposite to each other in the longitudinal (Y) direction of the housing (2), and a front and a back side opposite to each other in the height direction (Z) direction of the housing (2). A limiting rib (21) abutting against the left or right side of the circuit board (10) and a limiting step (22) abutting against the front side of the circuit board (10) are formed on the inner side of the peripheral wall of the housing (2); The end plate (51) abuts against the rear side of the circuit board (10), the positioning plate (52) abuts against the back side of the circuit board (10), and the peripheral wall of the housing (2) abuts against the front side of the circuit board (10).
19. The connector according to claim 17, characterized in that: The retainer (5) further includes a retaining plate (54) connected to the second side of the end plate (51) and arranged side by side with the elastic buckle (53). An arc-shaped positioning surface (5c) is formed at the front end of the retaining plate (54). The arc-shaped positioning surface (5c) abuts against the light guide tube (4) to hold the light guide tube (4) in a predetermined position.
20. The connector according to claim 17, characterized in that, Also includes: A locking element (6) is inserted into the housing (2) to lock the plurality of terminals (3) in the housing (2). The locking member (6) has a partition rib (6b) extending along the longitudinal (Y) direction of the housing (2), and a guide groove (5b) is formed on the positioning plate (52) of the retainer (5). The guide groove (5b) cooperates with the partition rib (6b) to guide the retainer (5) to be inserted into the housing (2) along the longitudinal (Y) direction and to position the retainer (5) in the transverse (X) direction of the housing (2).
21. The connector according to claim 7, characterized in that: The plurality of terminals (3) are arranged in two rows, upper and lower, and the two contacts (12) of the connector status indicator module (1) make electrical contact with two adjacent terminals (3) in a row of terminals (3).
22. The connector according to claim 7, characterized in that, Also includes: Multiple cables (7) are electrically connected to the rear ends of the multiple terminals (3), respectively. The front end of the terminal (3) is used to mate with the mating terminal of the mating connector.