CN215259692U - Protective cap that accords with ZHAGA structural specification - Google Patents

Abstract

The utility model provides a protective cap which accords with ZHAGA structural specification, can be arranged on a socket body which accords with ZHAGA structural standard, and comprises a cap body, a circuit board, a metal sheet and a middle column, wherein the inner side of the cap body forms a containing cavity, the middle column is fixed in the center of the containing cavity, the metal sheet is arranged around the middle column, and the circuit board is fixed at the bottom of the containing cavity; the electric connection structure is characterized in that the metal sheet is electrically connected with the circuit board, the middle column comprises an electric connection part at the end part and a structure part at the root part, and the electric connection part is electrically connected with the circuit board. On the premise of not influencing the interchangeability of the protective cap, more external connecting terminals are added in the protective cap so as to meet the use requirements of more functions.

Description

Protective cap that accords with ZHAGA structural specification

Technical Field

The utility model relates to the lamps and lanterns field, concretely relates to protective cap, socket body and lamps and lanterns that accord with ZHAGA structural specification.

Background

The Zhaga alliance is primarily dedicated to the interchangeability of LED light engines by defining Zhaga Books (interface specifications), which are now finished and released by the Zhaga alliance as specifications for Book 1-18. Wherein, Zhaga Book 18 mainly carries out the standard to the sensor and the communication module interface of outdoor lighting lamps and lanterns.

Fig. 1 shows a schematic view of the overall structure of a lamp in the Zhaga Book 18 specification, fig. 2 shows a schematic view of the mechanical structure of a sensor and a communication module in the Zhaga Book 18 specification, and fig. 3 shows a schematic view of the three-dimensional structure of a protective cap.

The lamp 3 in the Zhaga Book 18 specification mainly comprises a sensor and communication module 1, an LED driving module 4 and an LED 5; the inherent structures in the lamp 3 are an LED driving module 4 and an LED5, and the LED driving module 4 and the LED5 are used for realizing the basic functions of the lamp 3; the sensor and communication module 1 mainly comprises a mechanical structural part and a circuit structural part.

Specifically, referring to fig. 2 of the drawings, the mechanical structure of the sensor and communication module 1 includes a protective cap 101, a socket body 102, a gasket 103 and a lock nut 104, the socket body 102 is mounted on the housing of the lamp 3 and is fixed based on the gasket 103 and the lock nut 104, and the socket body 102, the gasket 103 and the lock nut 104 are inherent structures on the lamp 3. In the Zhaga Book 18 specification, the inner wall of the protective cap 101 is provided with a buckle 202, the socket body 102 is provided with a matching clamping groove, and the protective cap 101 is fixed on the socket body 102 based on the matching of the buckle 202 and the corresponding clamping groove, so as to realize the basic protection of the socket body 102.

Specifically, Zhaga Book 18 also makes corresponding specifications for the electrical connection structure between the protective cap 101 and the socket body 102, specifically, four metal sheets 201 with preset structures are arranged inside the protective cap 101, when the protective cap 101 is mounted on the socket body 102, the metal sheet 202 is inserted into a preset hole of the socket body 102, and the socket body 102 has a corresponding electrical connection relationship between the inside of the lamp 3 and the LED driving module 4, and through this embodiment, by arranging a sensor and a communication structure inside the protective cap 101, when the protective cap is mounted on the socket body 102, the sensor and the communication structure can realize an electrical connection relationship with the LED driving.

As long as the lamp 3 is designed according to the Zhaga Book 18 specification, the socket body 102, the gasket 103 and the lock nut 104 are reserved in the lamp 3, and different protective caps 101 can be replaced according to actual requirements to realize different functions.

Currently, Zhaga Book 18 defines the port of the four-piece metal sheet 201 in the protective cap 101:

a first port: 24V power supply;

and a second port: a negative pole of DALI standard, or a 24V power supply ground wire, or a digital signal ground wire;

and a third port: a positive electrode of DALI standard;

and port four: a digital signal.

At present, due to national conditions, many specifications in the Zhaga Books are not feasible at home, and because the formulation period of the Zhaga Books is too long, many functions are not included in the specifications, therefore, the structure of the existing sensor and communication module needs to be improved on the premise of meeting the existing Zhaga Books so as to better meet the requirements of actual use.

SUMMERY OF THE UTILITY MODEL

In order to expand the number of the connection terminals of the protection cap, the embodiment of the utility model provides a protection cap that accords with the ZHAGA structural specification increases more external connection terminals in the protection cap under the prerequisite that does not influence protection cap interchangeability to satisfy the operation requirement of more functions.

Correspondingly, the utility model provides a protective cap that accords with ZHAGA structural specification can install on the socket body that accords with ZHAGA structural standard, including cap body, circuit board, sheetmetal and center pillar, the inboard of cap body forms the appearance chamber, the center pillar is fixed in the appearance chamber center, the sheetmetal encircles and sets up around the center pillar, the circuit board is fixed in the appearance chamber bottom; the metal sheet is electrically connected with the circuit board, the middle column comprises an electric connection part at the end part and a structure part at the root part, and the electric connection part is electrically connected with the circuit board.

In an optional implementation manner, a brightness control module is disposed on the circuit board, and the brightness control module is electrically connected to the electrical connection portion.

In an alternative embodiment, the brightness control module comprises a pulse generator having a preset duty cycle.

In an optional embodiment, the brightness control module includes a resistor having a preset resistance value.

In an alternative embodiment, further comprising a gasket;

the gasket is arranged on the root part of the inner wall of the protective cap in a clinging mode.

In an alternative embodiment, the gasket comprises a hard core and a soft skin, the soft skin being wrapped around the hard core.

To sum up, the utility model provides a protective cap that accords with the ZHAGA structural specification, under the precondition that the structural interchangeability of the protective cap is not influenced, more connecting terminals can be provided on the protective cap for the circuit board to be electrically connected by arranging the electric connection part on the middle column, thereby expanding the function that the circuit structure on the circuit board can realize and having good practicability; through set up the brightness control module on the circuit board, can carry out brightness control to lamps and lanterns through changing different protective caps, have good convenience in use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic three-dimensional structure diagram of a protective cap according to ZHAGA structural standard according to an embodiment of the present invention;

fig. 2 is a schematic sectional structure diagram of a protective cap conforming to the ZHAGA structural standard according to an embodiment of the present invention;

fig. 3 is a schematic circuit diagram of a protective cap according to ZHAGA structure standard according to an embodiment of the present invention;

fig. 4 shows a schematic diagram of the internal structures of the protective cap and the socket body according to the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Fig. 4 shows a schematic diagram of the internal structures of the protective cap and the socket body according to the embodiment of the present invention.

Specifically, the embodiment of the utility model provides a protective cap that accords with ZHAGA structural specification can install on the socket body that accords with ZHAGA structural standard, it should be explained that the protective cap structure of this embodiment is the same with ZHAGA BOOK 18 in about the connection structure of protective cap, about the structure in the standard the utility model discloses the embodiment does not further explain, the utility model provides a on the protective cap structure basis in current ZHAGA BOOK 18 standard, when not influencing its installation interchangeability, realize the increase in number of connection port to satisfy more abundant functions of appearance.

Specifically, the utility model discloses the protective cap of embodiment includes cap body 301, circuit board 303, sheetmetal 201 and center pillar 306, and specifically, the structure of cap body 301 except center pillar 306 is executed according to ZHAGA BOOK 18 standard.

Specifically, the inner side of the cap body 301 forms a cavity for mounting structures such as a circuit board (in actual implementation, the structures such as the circuit board may not be mounted, and only play a role in protection). Specifically, the middle column 306 is fixed in the center of the cavity, the metal sheet 201 is arranged around the middle column, the circuit board 303 is fixed at the bottom of the cavity, and the above structures are all defined in the ZHAGA BOOK 18 specification.

Specifically, the metal sheet 201 is electrically connected to the circuit board 303, the middle column 306 includes an electrical connection portion 305 at an end portion and a structural portion 304 at a root portion, and the electrical connection portion 305 is electrically connected to the circuit board 303. In particular, a main variation of the protective cap of the embodiment of the present invention is that the structure of the middle pillar 306 is adjusted.

Specifically, the line diameter of the structure portion 304 of the embodiment of the present invention is consistent with the relevant dimension in the ZHAGA BOOK 18 specification, and the electrical connection portion 305 is provided with the annular metal patch, and optionally, the line diameter of the electrical connection portion 305 is smaller than the line diameter of the structure portion 304.

Specifically, in ZHAGA BOOK 18, the effect that middle post 306 mainly played is the positioning action, in the embodiment of the utility model provides an, set up the electrical connection ring on the tip outer wall of middle post 306, can not influence the effect of original middle post 306, meanwhile, played the function of the external connection port that increases the protective cap, can realize more connected modes between circuit board and the LED drive.

Specifically, the function of the protective cap in the ZHAGA BOOK 18 specification is mainly limited in the aspects of sensors and communication, and further, one of the current dimming modes of the LED is PWM dimming, and the brightness of the LED is adjusted by the duty ratio of a pulse signal; generally, the LED driving module correspondingly controls the brightness of the LED by receiving the PWM signal, and when the PWM signal is not received, the LED driving module keeps the default state to control the brightness of the LED, so that for the LED driving module, the LED can be driven to emit light rays with different brightness by accessing pulse signal generators with different duty ratios. In the embodiment of the present invention, except the function defined in the ZHAGA BOOK 18 specification, on the circuit board inside the protective cap, on the one hand, because the definition of one of the metal sheets 201 in the ZHAGA BOOK 18 specification is the power supply, therefore, the circuit structure or the component satisfying the power supply requirement can be set arbitrarily on the circuit board, and then through the present invention, the electrical connection portion on the middle post realizes that an additional definition port (different from the definition port specified in the ZHAGA BOOK 18 specification) performs signal output.

Specifically, in the embodiment of the present invention, a brightness control module is further disposed on the circuit board 303, and the brightness control module is electrically connected to the electrical connection portion 305. Specifically, when the brightness control module is used for the LED driving module for PWM dimming, the brightness control module may be a PWM signal generating circuit having a preset duty ratio. If the brightness control module is used for a constant current dimming LED driving module, optionally, firstly, a standard voltage of a power supply terminal is used as a reference, then a resistor with a preset resistance value is connected to the rear of the power supply terminal, and then the rear of the resistor is connected to the electrical connection portion 305, at this time, a current of a branch where the electrical connection portion 305 is located changes; the LED driving module correspondingly drives the LED by acquiring the current change condition.

It should be noted that, the protection cap (substantially, the circuit structure on the circuit board in the protection cap) and the LED driving module are configured in a matching manner, and as the ZHAGA standard requires corresponding structural specification for each main module, in the substantial implementation, the circuit structure of the protection cap and the LED driving module are configured in a matching manner, if the protection cap is installed on a lamp which does not correspond to the protection cap, the protection cap (the circuit structure of the protection cap) does not function, and specifically, the judging structure lies in the circuit design of the LED driving module.

Further, the embodiment of the present invention provides a protective cap, which further includes a gasket 302, wherein the gasket 302 is tightly attached to the root of the inner wall of the protective cap 301. On one hand, referring to the protection cap of the prior art structure shown in fig. 3, the connection structure between the protection cap and the socket is realized by the buckle 202 on the sidewall, since the protection cap and the socket are generally made of hard plastics, and the contact surfaces thereof are difficult to ensure complete adhesion, the protection cap and the socket structure under the prior specification are difficult to meet the protection requirement regarding the waterproof performance of the protection cap and the socket; therefore, the embodiment of the present invention provides the gasket 302 on the inner wall of the protective cap to improve the waterproof performance after the protective cap is matched with the socket body; meanwhile, the gasket 302 has certain flexibility, and cannot interfere with the socket body under the existing ZHAGA BOOK 18 specification in position, so that the combined installation of the protective cap and the socket body is prevented.

Further, the gasket 302 includes a hard core and a soft skin material wrapped around the hard core. Specifically, the socket body of the following explanation of this embodiment needs to produce the effect under the drive of packing ring, in order to guarantee the drive effect of packing ring to the trigger ring of socket body, the embodiment of the utility model provides a through set up the stereoplasm core in packing ring 302 is inside to satisfy the position and interfere and produce the demand of sufficient drive power.

To sum up, the embodiment of the present invention provides a protective cap that conforms to the ZHAGA structural specification, and on the premise of not affecting the structural interchangeability of the protective cap, by providing an electrical connection portion on the middle post, more connection terminals can be provided on the protective cap for the electrical connection of the circuit board, thereby extending the functions that can be realized by the circuit structure on the circuit board, and having good practicability; through set up the brightness control module on the circuit board, can carry out brightness control to lamps and lanterns through changing different protective caps, have good convenience in use.

Correspondingly, the embodiment of the utility model provides a socket body still provides, can supply to install the protective cap that accords with ZHAGA structural standard, and is concrete, and the condition that can supply to install the protective cap that accords with ZHAGA structural standard that restricts here means that this socket body satisfies ZHAGA BOOK 18 standard on the connection structure with the protective cap of ZHAGA structural standard.

Specifically, a fixing groove 403 is formed in the axial position of the socket body, slots 410 are formed in the periphery of the fixing groove 403, and the arrangement of the fixing groove 403 and the slots 410 meets the ZHAGA BOOK 18 specification.

Specifically, on the basis of the existing socket body structure with ZHAGA BOOK 18 standard, the socket body of the embodiment of the utility model also comprises a trigger component;

the trigger assembly comprises a trigger ring 401, a reset elastic piece 402, a trigger elastic piece 404, a lever type elastic piece 405 and an extension elastic piece 406.

The trigger ring 401 is coaxially embedded and arranged on the top surface of the socket body, the reset elastic piece 402 is arranged inside the socket body, and the bottom of the trigger ring 401 is contacted with the reset elastic piece which keeps a compressed state; a trigger groove is arranged on the inner side wall of the trigger ring 491. Specifically, under the effect of elastic component 402 that resets, trigger ring 401 and be leveled mutually to the top surface with the socket body by jack-up (trigger ring 401 and be provided with corresponding protruding structure on the lateral wall and prevent to trigger ring 401 and deviate from the socket body), in the appearance, trigger ring 401 under the default state, the socket body satisfies the appearance requirement of ZHAGA BOOK 18 standard, triggers ring 401 and can not lead to the fact the influence to the appearance structure of socket body.

The lever-type elastic piece comprises a torsion spring 405, specifically, a fixed shaft is arranged inside the socket body to fix the torsion spring 405, and a first wire tail and a second wire tail which are arranged along different directions are arranged outside the torsion spring 405.

Specifically, a first end of the elastic return member 404 is in contact with the inner wall of the trigger ring 401, and a second end of the elastic return member 404 is in contact with the first line tail; the first end of the extending elastic sheet 406 is contacted with the second string tail, and the second end of the extending elastic sheet 406 faces the fixing groove.

Specifically, the motion principle of the trigger assembly is that, the trigger ring 401 is in a default state, the non-trigger groove of the inner side wall of the trigger ring 401 is in contact with the trigger spring piece 404, the reset of the torsion spring 405 needs to be twisted along the counterclockwise direction of the direction shown in the figure, and the trigger spring piece 404 prevents the torsion spring 405 from resetting, so that the positions of the first line tail and the second line tail on the torsion spring 405 are limited to the positions shown in fig. 4, at this time, because the second line tail is far away from one side of the fixing groove 403, the second end of the extending spring piece 410 can be retracted from the fixing groove 403, and the extension of the middle column of the protective cap of the normal structure is not affected.

Trigger ring 401 under the state of pressing, trigger ring 401 downstream, trigger the inside wall of ring 401 trigger the recess position with trigger shell fragment 404 contact, trigger shell fragment 404 at torsional spring 405 reset effort down towards trigger the recess motion, it is corresponding, second line tail can drive stretch out the shell fragment and stretch out to in the fixed slot 403.

Specifically, in order to ensure that the first sliding groove is formed in the reset elastic piece 404 and the socket body extending out of the elastic piece 406, the reset elastic piece is matched in the first sliding groove; and/or a second sliding groove is arranged in the socket body, and the extending elastic sheet is matched in the second sliding groove. Specifically, the utility model discloses the formation structure of first spout and second spout all forms through the mode that sets up a plurality of stoppers.

Further, the trigger assembly further includes a connecting wire, a first end of the connecting wire is electrically connected to the extending elastic piece 406, and a second end of the connecting wire is led out from the bottom of the socket body.

Furthermore, because the socket body is provided with four jacks (uniformly arranged along the periphery of the fixing groove) corresponding to the four metal sheets of the protective cap, in order to avoid position interference, the trigger assembly is provided with a structure except the trigger ring, and the arrangement position of the trigger assembly is positioned between any two jacks; accordingly, in particular implementations, in view of practical size constraints, up to four sets of trigger assemblies (sharing a single trigger ring) may be provided; correspondingly, the extending elastic sheets in different trigger assemblies are respectively arranged at different heights so as to be matched with corresponding electric connection parts on the protective cap. Correspondingly, the trigger ring has certain difference in the setting position of the trigger groove corresponding to different trigger assemblies, and is designed according to actual conditions in specific implementation.

Correspondingly, at least two metal sheets are used for transmitting differential signals among the four metal sheets, and accordingly, in order to avoid signal interference in a small-scale distance, in the embodiment of the present invention, the extending elastic sheet 406 is wrapped on the basis of the electromagnetic isolation layer, and it should be noted that the second end of the extending elastic sheet 406 needs to be exposed; and/or an electromagnetic isolation layer is arranged on the inner wall of the fixing groove 403.

Further, the first end of the trigger elastic sheet 404 is bent into an arc shape, and the opening direction of the arc shape faces one side of the fixing groove, so that the trigger elastic sheet 404 can conveniently enter and exit the trigger groove; and/or the second end of the extending elastic sheet 406 is bent into an arc shape, and the opening direction of the arc shape faces one side of the trigger ring, so that the extending elastic sheet 406 is driven by the central column in the fixing groove to exit from the fixing groove.

The socket body provided by the embodiment of the utility model has two implementation conditions, aiming at the protection cap which completely accords with the ZHAGA BOOK 18 specification (integral structure), because the trigger ring is not triggered, the extending elastic sheet 406 can be retracted to withdraw from the fixed groove, the middle column of the protection cap can be matched in the fixed groove, and the trigger component does not influence the insertion of the protection cap; when the protective cap (i.e., the protective cap of the embodiment of the present invention) having the electrical connection portion and the gasket is mounted on the socket body, the gasket presses the trigger ring 401, so that the protruding elastic piece 406 can protrude into the fixing groove and fit on the corresponding electrical connection portion, and the electrical connection portion communicates with the elastic piece 406.

Correspondingly, the embodiment of the utility model provides a lamp, including above arbitrary socket body.

The above detailed description is made on the protective cap conforming to the ZHAGA structural specification provided by the embodiment of the present invention, and the specific examples are applied herein to explain the principle and the implementation of the present invention, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims (6)

1. A protective cap meeting the ZHAGA structural specification comprises a cap body, a circuit board, a metal sheet and a middle column, wherein a cavity is formed on the inner side of the cap body, the middle column is fixed in the center of the cavity, the metal sheet is arranged around the middle column in a surrounding mode, and the circuit board is fixed at the bottom of the cavity; the metal sheet is electrically connected with the circuit board, the middle column comprises an electric connection part at the end part and a structure part at the root part, and the electric connection part is electrically connected with the circuit board.

2. The protective cap of claim 1, wherein a brightness control module is disposed on the circuit board, and the brightness control module is electrically connected to the electrical connection portion.

3. The ZHAGA structural specification compliant protective cap of claim 2, wherein the brightness control module comprises a pulse generator having a preset duty cycle.

4. The ZHAGA structural specification compliant protective cap of claim 2, wherein the brightness control module comprises a resistor having a preset resistance value.

5. The ZHAGA structural specification compliant protective cap of claim 1 further comprising a gasket;

the gasket is arranged on the root part of the inner wall of the protective cap in a clinging mode.

6. The ZHAGA structural specification compliant protective cap of claim 5 wherein said gasket comprises a hard core and a soft skin, said soft skin being wrapped around said hard core.

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