Energy-saving lighting device for oral examination
By introducing an arm module and a ball joint module into the lighting device for oral examination, combined with an infrared sensor and magnetorheological fluid, the lamp can be adjusted with any degree of freedom, solving the problems of energy consumption and extended adjustment time in existing devices, and realizing intelligent energy saving and efficient lighting.
Patent Information
- Application Number
- CN202511029141.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-25
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2045-07-25
AI Technical Summary
Existing dental examination lighting devices are limited in their freedom of movement and illumination angle due to the hinge structure, which requires medical staff to repeatedly adjust the position of the lamps, increasing energy consumption and prolonging the examination time.
Employing a cantilever module and a ball joint module, including a cantilever mechanism, a ball joint component, and a ball joint component, the lamp can achieve arbitrary degrees of freedom of movement. Combined with an infrared sensor and an adjustment handle, the lamp's status can be automatically adjusted, and the locking state can be switched within milliseconds using magnetorheological fluid.
It reduces the time medical staff spend manually adjusting the lights, shortens the examination time and lighting time, achieves energy-saving effects, and realizes intelligent control of the lights by automatically detecting personnel activities.
Smart Images

Figure CN120777520B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of medical devices, and particularly relates to an energy-saving lighting device for oral examination. BACKGROUND
[0002] The lighting device for oral examination is a device specially provided for oral examination, which guarantees the required illumination quality in clinic, including brightness, color rendering, focusing and shadow-free, so as to improve the treatment experience.
[0003] Chinese patent CN119949731A discloses an oral examination lighting auxiliary device, which comprises a vertical rod, and further comprises a horizontal rotating cross rod rotationally connected to the upper end of the vertical rod, a vertical rotating rod hingedly connected to the end of the horizontal rotating cross rod, a rotating rod rotationally connected to the end of the vertical rotating rod, a rotating block hingedly connected to the end of the rotating rod, a mounting sleeve rotationally connected to the end of the rotating block, a concave frame arranged on the mounting sleeve, a lighting lamp box rotationally connected to the concave frame, and a lighting lamp arranged on the lighting lamp box.
[0004] The lighting device has limited activity freedom and illumination angle due to the conventional hinge structure, and the position of the lamp needs to be repeatedly adjusted to provide better illumination effect, which increases the examination time and energy consumption of the lamp. SUMMARY
[0005] In view of the problems in the prior art, the purpose of the embodiments of the present application is to provide an energy-saving lighting device for oral examination to solve the problems in the background.
[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme:
[0007] An energy-saving lighting device for oral examination, comprising a support arm module and a ball shaft groove module, the support arm module comprising a cantilever mechanism and a lamp group mechanism, the cantilever mechanism comprising a base, a first suspension arm and a second suspension arm, the lamp group mechanism and the base being movably connected through the first suspension arm and the second suspension arm, the ball shaft groove module comprising a ball shaft member and a ball groove member, the ball shaft member being arranged at both ends of the first suspension arm, the ball groove member being arranged at both ends of the second suspension arm, and the first suspension arm and the second suspension arm being movably connected through the ball shaft member and the ball groove member.
[0008] As a further scheme of the present application, the arm module further comprises a lamp group mechanism, the lamp group mechanism comprises a main lamp, an infrared sensor and a position adjusting handle, the main lamp is provided with a lighting lamp group, one end of the main lamp is further provided with an infrared sensor, the infrared sensor is used for dynamically detecting the use state of the current lighting lamp group, and the main lamp is further provided with a position adjusting handle.
[0009] As a further scheme of the present application, the ball shaft member comprises a ball shaft shell, a ball shaft through hole and an inner mold shell, one end of the ball shaft shell is connected with the first suspension arm in communication, the other end of the ball shaft shell is provided with a ball shaft through hole, and the inner diameter end of the ball shaft shell is circumferentially provided with a plurality of inner mold shells.
[0010] As a further scheme of the present application, the ball shaft member further comprises an inner groove cavity, a column hole, a limiting cavity, a locking column, a limiting disc and an elastic piece, the inner groove cavity is arranged inside the inner mold shell, the top of the inner groove cavity is provided with the column hole, the inner groove cavity and the column hole are connected in communication through the limiting cavity, one end of the locking column is fixedly connected with the limiting disc, the other end of the locking column is slidably inserted into the column hole, and the tail end of the locking column penetrates through the outer wall of the ball shaft shell, the limiting disc is limitingly inserted into the limiting cavity and elastically connected with the limiting cavity through the elastic piece.
[0011] As a further scheme of the present application, the ball shaft member further comprises a longitudinal mold cavity, a transverse mold cavity, a first piston piece, an elastic rod and a second piston piece, the longitudinal mold cavity is fixedly arranged in the inner groove cavity, the bottom of the longitudinal mold cavity is transversely provided with the transverse mold cavity, the first piston piece is slidably assembled in the longitudinal mold cavity and coaxially fixedly connected with the limiting disc, two groups of the elastic rods are elastically slidably inserted into the two ends of the transverse mold cavity, and the second piston piece is further assembled on the elastic rod.
[0012] As a further scheme of the present application, the ball shaft member further comprises a longitudinal mold cavity, a transverse mold cavity, a first piston piece, an elastic rod and a second piston piece, the longitudinal mold cavity is fixedly arranged in the inner groove cavity, the bottom of the longitudinal mold cavity is transversely provided with the transverse mold cavity, the first piston piece is slidably assembled in the longitudinal mold cavity and coaxially fixedly connected with the limiting disc, two groups of the elastic rods are elastically slidably inserted into the two ends of the transverse mold cavity, and the second piston piece is further assembled on the elastic rod.
[0013] As a further scheme of the present application, the inner wall end of the ball groove shell is provided with opposite first, second and third surfaces, the spherical surface diameter of the first surface is matched with the outer spherical surface diameter of the ball shaft shell, a plurality of the second surfaces are arrayed on the first surface, and the orifice diameter of the third surface is matched with the diameter of the locking column.
[0014] In summary, the embodiments of the present application have the following beneficial effects compared with the prior art:
[0015] The application can move in any degree of freedom, provide better angle lighting effect, reduce the process of manual adjustment of the lamp by medical staff, and further shorten the examination time and the lighting time of the lamp, so as to realize the energy saving effect. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A schematic view of the energy-saving lighting device for oral examination provided in an embodiment of the application.
[0017] Figure 2 A structure schematic view of the ball groove member in the energy-saving lighting device for oral examination provided in an embodiment of the application.
[0018] Figure 3 A structure schematic view of the reference A in the energy-saving lighting device for oral examination provided in an embodiment of the application.
[0019] Figure 4 A structure schematic view of the ball shaft member in the energy-saving lighting device for oral examination provided in an embodiment of the application.
[0020] Figure 5 A partial sectional view of the induction coil in the energy-saving lighting device for oral examination provided in an embodiment of the application.
[0021] Figure 6 A structure schematic view of the reference B in the energy-saving lighting device for oral examination provided in an embodiment of the application.
[0022] Reference signs: 1-lamp group mechanism, 101-main lamp, 102-infrared sensor, 103-positioning handrail, 2-cantilever mechanism, 201-base, 202-first suspension arm, 203-second suspension arm, 3-ball shaft member, 301-ball shaft shell, 302-ball shaft through hole, 303-inner mold shell, 304-inner groove cavity, 305-column hole, 306-limiting cavity, 307-locking column, 308-limiting disc, 309-elastic member, 310-longitudinal mold cavity, 311-transverse mold cavity, 312-first piston member, 313-elastic rod, 314-second piston member, 4-ball groove member, 401-ball groove shell, 402-ball groove through hole, 403-tapered groove, 404-stop groove, 5-induction coil. DETAILED DESCRIPTION
[0023] In order to more clearly illustrate the structural features and effects of the application, the application will be described in detail below in combination with the drawings and specific embodiments.
[0024] Please refer to Figures 1-6The energy-saving oral examination illuminating device has opposite first direction x, second direction y and third direction z, and comprises a supporting arm module and a ball shaft groove module, the supporting arm module comprises a cantilever mechanism 2 and a lamp group mechanism 1, the cantilever mechanism 2 comprises a base 201, a first suspension arm 202 and a second suspension arm 203, the lamp group mechanism 1 and the base 201 are movably connected through the first suspension arm 202 and the second suspension arm 203, the ball shaft groove module comprises a ball shaft component 3 and a ball groove component 4, the ball shaft component 3 is arranged at two ends of the first suspension arm 202, the ball groove component 4 is arranged at two ends of the second suspension arm 203, and the first suspension arm 202 and the second suspension arm 203 are movably connected through the ball shaft component 3 and the ball groove component 4; the supporting arm module further comprises the lamp group mechanism 1, the lamp group mechanism 1 comprises a main lamp 101, an infrared sensor 102 and a position adjusting handrail 103, the main lamp 101 is provided with an illuminating lamp group, one end of the main lamp 101 is further provided with the infrared sensor 102, the infrared sensor 102 is used for dynamically detecting the use state of the current illuminating lamp group, and the main lamp 101 is further provided with the position adjusting handrail 103.
[0025] When the energy-saving oral examination lighting device is used in actual application, the main structure of the lighting device is composed of a support arm module and a ball shaft groove module, the ball shaft groove module has opposite active and locking states, the support arm module includes a lamp group mechanism 1 and a cantilever mechanism 2, the lamp group mechanism 1 is composed of a main lamp 101, an infrared sensor 102 and a position adjusting handrail 103, the infrared sensor 102 is installed on the lamp side of the main lamp 101, the infrared sensor 102 is used for detecting the activity state of medical staff and patients in front of the lamp, when there is no personnel activity on the examination table, the infrared sensor 102 controls the lamp to be turned off through a signal line, so that the lamp is automatically powered off, a touch sensor is connected to the position adjusting handrail 103 arranged on the back side of the main lamp 101, when the medical staff holds the position adjusting handrail 103, the circuit signal of the lamp is automatically turned on, so that the lamp is in the lighting state, the ball groove component 4 is arranged on the back side of the main lamp 101, and when the medical staff holds the position adjusting handrail 103, a plurality of ball shaft groove modules are in the active state, so that when the medical staff pulls the lamp to move, the lamp has arbitrary freedom in the spatial direction and can be freely moved to the required lighting position by the arm of the medical staff, when the hand of the medical staff is away from the position adjusting handrail 103, the touch sensor on the position adjusting handrail 103 detects the signal change, so that the plurality of ball shaft groove modules are switched from the active state to the locking state, and then the lamp as a whole is locked in the spatial direction, so as to provide stable lighting effect, compared with the mechanical arm connection mode of the traditional lamp, the energy-saving lighting device has the function of arbitrary freedom and rapid adjustment, can provide better angle lighting effect, reduces the time of manually adjusting the lamp by the medical staff during the examination, and then shortens the examination time and the lighting time of the lamp, so as to realize the energy-saving effect, and the lamp can sense the activity of the personnel on the examination table and automatically switch the power supply of the lamp when there is no activity, further playing the effect of energy saving.
[0026] Please refer to Figure 4 In a preferred embodiment of the present application, the ball shaft component 3 includes a ball shaft shell 301, a ball shaft through hole 302 and an inner mold shell 303, one end of the ball shaft shell 301 is connected to the first suspension arm 202, the other end of the ball shaft shell 301 is provided with the ball shaft through hole 302, and a plurality of inner mold shells 303 are arranged in the radial direction of the inner diameter end of the ball shaft shell 301, the ball groove component 4 includes a ball groove shell 401 and a ball groove through hole 402, one end of the ball groove shell 401 is connected to the second suspension arm 203, the other end of the ball groove shell 401 is provided with the ball groove through hole 402, and the ball shaft through hole 302 and the ball groove through hole 402 are used for penetrating the power supply line required by the lighting lamp group.
[0027] The ball shaft shell 301 is provided with a ball shaft through hole 302 on one side, the ball shaft through hole 302 and the ball groove through hole 402 are used for penetrating the control wire of the lamp on-off on the ball shaft joint side, the inner wall side of the ball shaft shell 301 is provided with a plurality of inner mold shells 303, the ball shaft shell 301 is rotationally assembled in the inner spherical surface of the ball groove shell 401, so that the ball shaft groove module has a multi-degree-of-freedom rotation capability, and the main lamp 101 and the base 201 are provided with a ball groove component 4 at one end, the first suspension arm 202 is provided with a ball shaft component 3 at both ends, and the second suspension arm 203 is provided with a ball groove component 4 at both ends, so that the main lamp 101 and the base 201 are movably connected through a plurality of first suspension arms 202 and second suspension arms 203, thereby making the support arm module have any activity freedom in the space direction.
[0028] Please refer to Figure 6 In a preferred embodiment of the present embodiment, the ball shaft component 3 further comprises an inner groove cavity 304, a column hole 305, a limiting cavity 306, a locking column 307, a limiting disc 308 and an elastic member 309, the inner groove cavity 304 is arranged inside the inner mold shell 303, and the top of the inner groove cavity 304 is provided with the column hole 305, the inner groove cavity 304 and the column hole 305 are connected through the limiting cavity 306, one end of the locking column 307 is fixedly connected with the limiting disc 308, the other end of the locking column 307 is slidably inserted into the column hole 305, and the end of the locking column 307 penetrates the outer wall of the ball shaft shell 301, the limiting disc 308 is limitingly inserted into the limiting cavity 306 and elastically connected with the limiting cavity 306 through the elastic member 309.
[0029] In actual application of the present embodiment, the inner groove cavity 304 and the column hole 305 are connected through the limiting cavity 306, the locking column 307 is limitingly slidably inserted into the column hole 305 along the third direction z, the bottom of the locking column 307 is fixedly connected with the limiting disc 308, the limiting disc 308 is limitingly slidably assembled in the limiting cavity 306 and elastically connected with the limiting cavity 306 through the elastic member 309, and the top of the locking column 307 abuts on the inner spherical surface of the ball groove shell 401, so that when the locking column 307 slides on the inner spherical surface of the ball groove shell 401, the elastic member 309 lifts the limiting disc 308 in the positive direction of the third direction z, so that the locking column 307 is always elastically attached to the inner spherical surface of the ball groove shell 401.
[0030] Please refer to Figure 6In a preferred embodiment of the present application, the ball shaft member 3 further comprises a longitudinal cavity 310, a transverse cavity 311, a first piston 312, an elastic rod 313 and a second piston 314, the longitudinal cavity 310 is fixedly arranged in the inner groove cavity 304, and a transverse cavity 311 is arranged at the bottom of the longitudinal cavity 310, the first piston 312 is slidingly arranged in the longitudinal cavity 310 and coaxially fixedly connected with the limiting disc 308, two groups of elastic rods 313 are elastically and slidingly inserted into the transverse cavity 311 at both ends, and the second piston 314 is further arranged on the elastic rod 313.
[0031] In actual application, the longitudinal cavity 310 is fixedly arranged in the inner groove cavity 304, and a transverse cavity 311 is arranged at the top of the longitudinal cavity 310 along the first direction x, one end of the transverse cavity 311 is communicated with the longitudinal cavity 310, and elastic rods 313 are elastically and slidingly inserted into the transverse cavity 311 at both ends, one end of the elastic rod 313 is fixedly connected with the second piston 314, the second piston 314 is slidingly arranged in the inner cavity of the transverse cavity 311, and the first piston 312 and the two groups of second pistons 314 are filled with a magnetorheological fluid MRF, one side of the inner mold shell 303 is provided with an induction coil 5, the induction coil 5 is used to control the magnetorheological fluid to switch between liquid state and solid-like state, in the default state, the ball shaft groove module is in the active state, the induction coil 5 is in the power-off state, so that the magnetorheological fluid is in the liquid state, at this time the locking column 307 is slidingly abutted against the inner spherical surface of the ball groove shell 401, when the ball groove shell 401 moves in the third direction z, the first piston 312 moves in the third direction z along with the limiting disc 308, at this time the magnetorheological fluid between the first piston 312 and the second piston 314 can flow in the cavity, when the ball shaft groove module is in the locking state, the induction coil 5 is in the power-on state, so that the magnetorheological fluid is switched to the solid-like state, because the inner cavities of the longitudinal cavity 310 and the transverse cavity 311 are connected at right angles, the magnetorheological fluid in the solid-like state is locked in the inner cavities, thereby the locking column 307 and the limiting disc 308 are synchronously locked in the third direction z, so that the ball shaft groove module is switched from the active state to the locking state.
[0032] Further, the rheological properties of the magnetorheological fluid MRF can be controlled by an external magnetic field or an electric field, and reversible and continuous regulation can be achieved within milliseconds, the magnetorheological fluid is composed of a base fluid, micron-sized soft magnetic particles and a stabilizer, the base fluid includes mineral oil or silicone oil, etc., the soft magnetic particles include carbonyl iron powder, etc., when an external magnetic field is applied, the magnetic particles are instantaneously arranged in a chain or column structure along the magnetic field line direction, so that the fluid is converted from a Newtonian fluid to a solid-like state, and the yield stress is significantly increased, when the magnetic field disappears, the structure collapses and the fluid returns to the liquid state, and the corresponding time is less than 10 milliseconds, therefore, when the medical staff's hands are instantaneously separated from the positioning handrail 103, the ball shaft groove module is switched from the active state to the locking state.
[0033] Further, the magneto-rheological fluid only needs to generate a magnetic field by coil energization, and the power of the commonly used coil is less than 5 watts, and the energy consumption generated by the coil is negligible.
[0034] Further, the magneto-rheological fluid has a small expansion volume during heating, and has a negligible effect on the movement of the ball shaft groove module.
[0035] Please refer to Figure 3 In a preferred embodiment of the present application, the ball groove member 4 further comprises a tapered groove 403 and a stop groove 404, a plurality of tapered grooves 403 are arranged on the inner wall side of the ball groove shell 401, and the stop groove 404 is arranged in the middle of the tapered groove 403, the diameter of the stop groove 404 matches the locking column 307, the inner wall end of the ball groove shell 401 is provided with opposite first surface a1, second surface a2 and third surface a3, the spherical diameter of the first surface a1 matches the outer spherical diameter of the ball shaft shell 301, a plurality of second surfaces a2 are arranged on the first surface a1, and the aperture diameter of the third surface a3 matches the diameter of the locking column 307.
[0036] In actual application, the inner spherical surface of the ball groove shell 401 is provided with opposite first surface a1, second surface a2 and third surface a3, the gap between the outer spherical surface of the ball shaft shell 301 and the first surface a1 is arranged, and the locking column 307 is slidably attached to the first surface a1, when the ball shaft groove module is in the active state, the locking column 307 moves freely between the first surface a1, the second surface a2 and the third surface a3, and the top of the locking column 307 is provided with a spherical surface, so that when the locking column 307 is inserted into the third surface a3, the spherical surface at the top of the locking column 307 can also be slid off from the third surface a3 by external force, thereby making the ball shaft groove module have multiple degrees of freedom in the spatial direction, and after a plurality of ball shaft groove modules are combined, the main lamp 101 has any degree of freedom in the spatial direction.
[0037] The above embodiment of the present application provides an energy-saving lighting device for oral examination, which is provided with a plurality of ball shaft groove modules inside the support arm module, and a freely rotatable ball shaft member 3 and a ball groove member 4 are arranged in the ball shaft groove module, which can move with any degree of freedom, provide better angle of illumination effect, reduce the process of manual adjustment of the lamp by medical staff, and thereby shorten the examination time and the lighting time of the lamp, so as to achieve the energy-saving effect.
[0038] The above only describes the preferred embodiments of the present application, and is not intended to limit the present application, any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. An energy-saving lighting device for oral examination, characterized in that, The energy-saving lighting device for oral examination includes: The support arm module and the ball joint groove module are provided. The support arm module includes a cantilever mechanism and a lamp assembly mechanism. The cantilever mechanism includes a base, a first suspension arm, and a second suspension arm. The lamp assembly mechanism and the base are movably connected by a plurality of first suspension arms and second suspension arms. The ball joint groove module includes a ball joint component and a ball joint component. The ball joint component is disposed at both ends of the first suspension arm, and the ball joint component is disposed at both ends of the second suspension arm. The first suspension arm and the second suspension arm are movably connected by the ball joint component and the ball joint component. The ball shaft component includes a ball shaft housing, a ball shaft through hole, and an inner mold shell. One end of the ball shaft housing is connected to the first suspension arm, and the other end of the ball shaft housing is provided with a ball shaft through hole. Several inner mold shells are arranged circumferentially at the inner diameter end of the ball shaft housing. The ball groove component includes a ball groove housing and a ball groove through hole. One end of the ball groove housing is connected to the second suspension arm, and the other end of the ball groove housing is provided with a ball groove through hole. The ball shaft through hole and the ball groove through hole are used to pass through the power supply lines required for the lighting assembly. The ball shaft component further includes an inner groove cavity, a column hole, a limiting cavity, a locking pin, a limiting disc, and an elastic element. The inner groove cavity is located inside the inner mold shell, and a column hole is provided at the top of the inner groove cavity. The inner groove cavity and the column hole are connected through the limiting cavity. One end of the locking pin is fixedly connected to the limiting disc, and the other end of the locking pin is slidably inserted into the column hole. The end of the locking pin penetrates the outer wall of the ball shaft shell. The limiting disc is inserted into the limiting cavity and is elastically connected to the limiting cavity through the elastic element. The ball shaft component further includes a longitudinal mold cavity, a transverse mold cavity, a first piston, an elastic rod, and a second piston. The longitudinal mold cavity is fixedly disposed in the inner groove cavity, and a transverse mold cavity is transversely disposed at the bottom of the longitudinal mold cavity. The first piston is slidably assembled in the longitudinal mold cavity and is coaxially fixedly connected with the limiting disc. The two sets of elastic rods are elastically slidably inserted at both ends of the transverse mold cavity, and a second piston is also assembled on the elastic rod.
2. The energy-saving lighting device for oral examination according to claim 1, characterized in that, The arm module also includes a lighting mechanism, which includes a main lamp, an infrared sensor, and an adjustment handle. The main lamp is equipped with a lighting assembly, and an infrared sensor is also provided at one end of the main lamp. The infrared sensor is used to dynamically detect the current usage status of the lighting assembly. The main lamp is also equipped with an adjustment handle.
3. The energy-saving lighting device for oral examination according to claim 1, characterized in that, The ball groove component also includes a conical groove and a stop groove. A plurality of the conical grooves are arranged in an array on the inner wall side of the ball groove shell, and a stop groove is provided in the middle of the conical groove. The diameter of the stop groove is matched with that of the locking post.
4. The energy-saving lighting device for oral examination according to claim 1, characterized in that, The inner wall of the ball groove housing is provided with a first surface, a second surface and a third surface, the spherical diameter of the first surface is matched with the outer spherical diameter of the ball shaft housing, a plurality of the second surfaces are arranged in an array on the first surface, and the orifice diameter of the third surface is matched with the diameter of the locking pin.
Citation Information
Patent Citations
Illumination auxiliary equipment for examination in department of stomatology
CN119949731A
Medical shadowless lamp capable of being operated without hand touch at low position
CN112013303A
Adjustable LED lamp for operating room nursing
CN211780617U