CN102800934B - The equipment of bluetooth module and application bluetooth module - Google Patents
The equipment of bluetooth module and application bluetooth module Download PDFInfo
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- CN102800934B CN102800934B CN201110144775.2A CN201110144775A CN102800934B CN 102800934 B CN102800934 B CN 102800934B CN 201110144775 A CN201110144775 A CN 201110144775A CN 102800934 B CN102800934 B CN 102800934B
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Abstract
A kind of bluetooth module comprises link management unit, link control unit and an antenna, antenna comprises medium substrate, first sheet metal and the second sheet metal, first sheet metal is provided with first, two feeder lines, second sheet metal is provided with the 3rd, four feeder lines, first, two feeder lines are all by coupled modes feed-in first sheet metal, 3rd, four feeder lines are all by coupled modes feed-in second sheet metal, on first sheet metal, hollow out has asymmetrical first, two micro groove structures to form the first metal routing on the first sheet metal, on second sheet metal, hollow out has the asymmetrical 3rd, four micro groove structures to form the second metal routing on the second sheet metal, first feeder line is electrically connected with the 3rd feeder line, second feeder line is electrically connected with the 4th feeder line, antenna is preset with the space that electronic component embeds.Reduce the power consumption of bluetooth module, simplify the design of bluetooth module.The present invention also provides in one the equipment applying above-mentioned bluetooth module.
Description
Technical field
The present invention relates to the equipment of a kind of bluetooth module and application bluetooth module.
Background technology
Bluetooth technology is the open global specifications of a kind of wireless data and voice communication, and it is based on the near radio of low cost connects, and sets up one be connected especially for fixing with mobile device communication environment.Bluetooth is operated in 2.4GHzISM (i.e. industry, science, the medical science) frequency range of global general-use.The data rate of bluetooth is 1Mb/s.Time division duplex transmission scheme is used to realize full duplex transmission, namely uses IEEE802.15 agreement.
Meanwhile, complicated along with contemporary electronic systems, the wireless access of Bluetooth technology becomes more and more important in various equipment.And the necessary element of wireless access is exactly antenna.But traditional antenna mainly designs based on the radiation theory of electric monopole or dipole, such as the most frequently used planar inverted-F antenna (PIFA).Directly and the size positive correlation of antenna, the area positive correlation of bandwidth sum antenna, makes the design of antenna usually need the physical length of half-wavelength for the Radiation work frequency of its antenna.In the electronic system that some are more complicated, antenna needs multimode operation, just needs the impedance matching network design outside feed antenna forehead.But the feeder line design of electronic system that what impedance matching network was extra add, increase radio system area simultaneously matching network also introduce many energy losses, be difficult to the designing requirement meeting low-power consumption.
Summary of the invention
Based on this, provide the bluetooth module of a kind of low-power consumption, simplified design program.
The present invention also provides a kind of bluetooth equipment applying above-mentioned bluetooth module.
A kind of bluetooth module comprises link management unit, link control unit and an antenna, described antenna comprises medium substrate, be attached to the first sheet metal and second sheet metal on relative two surfaces of medium substrate, first sheet metal is provided with the first feeder line, second feeder line, second sheet metal is provided with the 3rd feeder line, 4th feeder line, described first feeder line and the second feeder line are all by the first sheet metal described in coupled modes feed-in, described 3rd feeder line and the 4th feeder line are all by the second sheet metal described in coupled modes feed-in, on described first sheet metal, hollow out has asymmetrical first micro groove structure and the second micro groove structure to form the first metal routing on the first sheet metal, on described second sheet metal, hollow out has asymmetrical 3rd micro groove structure and the 4th micro groove structure to form the second metal routing on the second sheet metal, described first feeder line is electrically connected with the 3rd feeder line, described second feeder line is electrically connected with the 4th feeder line, described antenna is preset with the space that electronic component embeds.
Further, described spatial placement the first feeder line, the second feeder line, between the first feeder line and the first sheet metal, between the second feeder line and the first sheet metal and these five positions of the first sheet metal at least one on.
Further, described spatial placement the 3rd feeder line, the 4th feeder line, between the 3rd feeder line and the second sheet metal, between the 4th feeder line and the second sheet metal and these five positions of the second sheet metal at least one on.
Further, on first metal routing of described spatial placement on the first sheet metal, or described spatial placement is on the first micro groove structure and/or the second micro groove structure.
Further, on second metal routing of described spatial placement on the second sheet metal, or described spatial placement is on the 3rd micro groove structure and/or the 4th micro groove structure.
Further, described electronic component is perceptual electronic component, capacitive electrical element or resistance.
Further, described space is be formed in the pad on described antenna.
Further, the scope of described perceptual electronic component inductance value is between 0-5uH.
Further, the scope of described capacitive electrical component capacitance value is between 0-2pF.
Apply an equipment for above-mentioned bluetooth module, described equipment is a pcb board also, and described antenna is connected with pcb board.
Relative to existing bluetooth module, there is following beneficial effect: by arranging the space that electronic component embeds on the antenna of bluetooth module, can be finely tuned by the performance of performance to antenna changing the electronic component embedded, design the antenna of the requirement meeting adaptability and versatility, namely can realize the wireless access ways such as WIFI and share an antenna, simplify designing program of bluetooth equipment.In addition, medium substrate two sides is provided with sheet metal, takes full advantage of the spatial area of Bluetooth antenna, and Bluetooth antenna can work under lower operating frequency in such circumstances, meets the requirement of antenna miniaturization, low operating frequency, broadband multimode
Accompanying drawing explanation
Fig. 1 is the block diagram of bluetooth module one embodiment of the present invention;
Fig. 2 is the stereogram of the embodiment of antenna first shown in Fig. 1;
Fig. 3 is another visual angle figure of Fig. 2;
The structural representation of Fig. 4 antenna second of the present invention embodiment;
The structural representation of Fig. 5 antenna of the present invention 3rd embodiment;
Fig. 6 a is the schematic diagram of complementary opening resonance loop structure;
Fig. 6 b is depicted as the schematic diagram of complementary helix structure;
Fig. 6 c is depicted as the schematic diagram of opening helical ring structure;
Fig. 6 d is depicted as the schematic diagram of two opening helical ring structure;
Fig. 6 e is depicted as the schematic diagram of complementary folding line structure;
Fig. 7 a derives schematic diagram for its geometry of complementary opening resonance loop structure shown in Fig. 6 a;
Fig. 7 b is the derivative schematic diagram of its expansion of the complementary opening resonance loop structure shown in Fig. 6 a;
Structural representation after the compound that Fig. 8 a is the complementary opening resonance loop structure shown in three Fig. 6 a;
Fig. 8 b is depicted as the compound schematic diagram of complementary helix structure for the complementary opening resonance loop structure shown in two Fig. 6 a and Fig. 6 b;
Fig. 9 is the structural representation after the complementary opening resonance loop structure group battle array shown in four Fig. 6 a.
Embodiment
Please refer to Fig. 1, described bluetooth module 10 comprises link management unit 98, link control unit 99 and an antenna 100.Described link management unit 98 and link control unit 99 link management unit are respectively used to Administrative Security, link establishment and control.Link management unit 98 can with the link management unit talk of another bluetooth module equipment with exchange message based on described antenna 100, and in addition, link management unit 98 can also use some predefine link level order control by the message of link manager.
As shown in Figures 2 and 3, described antenna 100 comprises medium substrate 1, be attached to first sheet metal 4 and second sheet metal 7 on relative two surfaces of medium substrate 1, first sheet metal 4 is provided with the first feeder line 2, second feeder line 3, second sheet metal 7 is provided with the 3rd feeder line 8, 4th feeder line 9, described first feeder line 2 and the second feeder line 3 are all by the first sheet metal 4 described in coupled modes feed-in, described 3rd feeder line 8 and the 4th feeder line 9 are all by the second sheet metal 7 described in coupled modes feed-in, on described first sheet metal 4, hollow out has asymmetrical first micro groove structure 41 and the second micro groove structure 42 to form the first metal routing 43 on the first sheet metal, on described second sheet metal 7, hollow out has asymmetrical 3rd micro groove structure 71 and the 4th micro groove structure 72 to form the second metal routing 73 on the second sheet metal, described first feeder line 2 is electrically connected with the 3rd feeder line 8, described second feeder line 3 is electrically connected with the 4th feeder line 9, described antenna 100 is preset with the space 6 that electronic component embeds.On the two sides of same medium substrate, all sheet metal is set, is equivalent to and adds antenna physical length (physical length size does not increase), so just can design the radio-frequency antenna be operated under very low operation frequency in minimum space.Solve the physical constraints of traditional antenna antenna controlled space area when low frequency operation.
Described first feeder line 2 is electrically connected by the plated-through hole 10 opened on medium substrate 1 with the 3rd feeder line 8, and described second feeder line 3 is electrically connected by the plated-through hole 20 opened on medium substrate 1 with the 4th feeder line 9.
In Fig. 2 to Fig. 5, the part of the first sheet metal cross-hatching is the first metal routing, and the blank parts (part of hollow out) on the first sheet metal represents the first micro groove structure and the second micro groove structure.In addition, the first feeder line and the second feeder line also represent with hatching.Same, the part of the second sheet metal cross-hatching is the second metal routing, and the blank parts (part of hollow out) on the second sheet metal represents the 3rd micro groove structure and the 4th micro groove structure.In addition, the 3rd feeder line and the 4th feeder line also represent with hatching.
The stereogram of antenna described in Fig. 2, Fig. 2 is its another visual angle figure.Comprehensive two figure can find out, the structure that a surface of medium substrate and b adhere on the surface is identical.Namely the first feeder line, the second feeder line, the projection of the first sheet metal on b surface overlap with the 3rd feeder line, the 4th feeder line, the second sheet metal respectively.Certainly, this is a preferred scheme, and a surface as required also can be different from the structure on b surface.
First feeder line 2 and the second feeder line 3 all arrange to realize signal coupling around the first sheet metal 4.Other first sheet metal 4 can contact with the second feeder line 3 with the first feeder line 2, also can not contact.When the first sheet metal 4 contacts with the first feeder line 2, inductive coupled between the first feeder line 2 and the first sheet metal 4; When the first sheet metal 4 does not contact with the first feeder line 2, capacitive coupling between the first feeder line 2 and sheet metal 4.Equally, when the first sheet metal 4 contacts with the second feeder line 3, inductive coupled between the second feeder line 3 and the first sheet metal 4; When the first sheet metal 4 does not contact with the second feeder line 3, capacitive coupling between the second feeder line 3 and the first sheet metal 4.
3rd feeder line 8 and the 4th feeder line 9 all arrange to realize signal coupling around the second sheet metal 7.Other second sheet metal 7 can contact with the 3rd feeder line 8, the 4th feeder line 9, also can not contact.When the second sheet metal 7 contacts with the 3rd feeder line 8, inductive coupled between the 3rd feeder line 8 and the second sheet metal 7; When the second sheet metal 7 does not contact with the 3rd feeder line 8, capacitive coupling between the 3rd feeder line 8 and sheet metal 7.Equally, when the second sheet metal 7 contacts with the 4th feeder line 9, inductive coupled between the 3rd feeder line 8 and two sheet metals 7; When two sheet metals 7 do not contact with the 4th feeder line 9, capacitive coupling between the 4th feeder line 9 and the second sheet metal 7.
In the present invention, first sheet metal of described medium substrate two apparent surface can be connected with the second sheet metal, also can not connect.Under the first sheet metal and the unconnected situation of the second sheet metal, by capacitively coupled mode feed between described first sheet metal and the second sheet metal; In such cases, the thickness by changing medium substrate can realize the resonance of the first sheet metal and the second sheet metal.(be such as connected by the form of wire or plated-through hole) when the first sheet metal is electrically connected with the second sheet metal, by inductive coupled mode feed between described first sheet metal and the second sheet metal.
Described first micro groove structure 41, second micro groove structure 42 in the present invention, the 3rd micro groove structure 71, the 4th micro groove structure 72 can be the complementary helix structures shown in the complementary opening resonance loop structure shown in Fig. 6 a, Fig. 6 b, a kind of in the two opening helical ring structures shown in the opening helical ring structure shown in Fig. 6 c, Fig. 6 d, the complementary folding line structure shown in Fig. 6 e or derived by several structure above, micro groove structure that compound or group battle array obtain.Derive and be divided into two kinds, one is that geometry derives, another kind is that expansion is derivative, and geometry is herein derivative refers to that function class derives like, variform structure, such as, derive to class of a curve structure, triangle class formation and other different polygon class formation by square frame class formation; Namely expansion herein derives offers new groove to form new micro groove structure on the basis of Fig. 6 a to Fig. 6 e; For the complementary opening resonance loop structure shown in Fig. 6 a, Fig. 7 a derives schematic diagram for its geometry, and Fig. 7 b derives schematic diagram for its geometry.Compound herein refers to, the micro groove structure that micro groove structure multiple superposition formation one of Fig. 6 a to Fig. 6 e is new, as shown in Figure 8 a, is the structural representation after the complementary opening resonance loop structure compound shown in three Fig. 6 a; As shown in Figure 8 b, for the complementary opening resonance loop structure shown in two Fig. 6 a and Fig. 6 b are depicted as the structural representation after the common compound of complementary helix structure.Group battle array herein refers to and forms an overall micro groove structure by the micro groove structure array on same sheet metal shown in multiple Fig. 6 a to Fig. 6 e, as shown in Figure 9, is the structural representation after multiple complementary opening resonance loop structure group battle array as shown in Figure 6 a.All set forth the present invention for the opening helical ring structure shown in Fig. 6 c below.
We know, can be obtained the antenna of different polarization mode by the feed placement changing feeder line.
In the present invention, described space 6 be arranged between the first feeder line 2, second feeder line 3, first feeder line 2 and the first sheet metal 4, between the second feeder line 3 and the first sheet metal 4 and first these five positions of sheet metal 4 at least one on.Described space 6 be also arranged on the 3rd feeder line 8, the 4th feeder line 9, between the 3rd feeder line 8 and the second sheet metal 7, between the 4th feeder line 9 and the second sheet metal 7 and second these five positions of sheet metal 7 at least one on.Preferably, the setting of multiple space 6 on antenna as shown in Figures 1 and 2, namely, on a face of medium substrate, the space 6 that electronic component embeds all is set between the first feeder line 2, second feeder line 3, first feeder line 2 and the first sheet metal 4, between the second feeder line 3 and the first sheet metal 4 and on these five positions of the first sheet metal 4.Wherein, space on first sheet metal 4 comprises the space be arranged on the first metal routing 43, and the space 6 be arranged on the first micro groove structure 41 and the second micro groove structure 42, and the space 6 be arranged on the first micro groove structure 41 and the second micro groove structure 42 connects the first metal routing 43 edge of both sides respectively.Equally, on the b face of medium substrate, at the 3rd feeder line 8, the 4th feeder line 9, the space that electronic component embeds all is set between the 3rd feeder line 8 and the 4th sheet metal 4, between the 4th feeder line 9 and the second sheet metal 7 and on these five positions of the second sheet metal 7.Wherein, space on second sheet metal 7 comprises the space be arranged on the second metal routing 73, and the space be arranged on the 3rd micro groove structure 71 and the 4th micro groove structure 72, and the space 6 be arranged on the 3rd micro groove structure 71 and the 4th micro groove structure 72 connects the second metal routing 73 edge of both sides respectively.
On described antenna 100, the reserved location in space is not limited to above-mentioned several form, as long as space is arranged on dual polarized antenna.Such as, space can also be arranged on medium substrate.
Described electronic component of the present invention is perceptual electronic component, capacitive electrical element or resistance.Add this type of electronic component in the headspace of antenna after, the various performances of antenna can be improved.And by adding the electronic component of different parameters, the adjustable of antenna performance parameters can be realized.Add electronic component in space and can have following several situation, because the b face of medium substrate is identical with a face, therefore only to explain with a face below:
(1) in the space of the first feeder line, the second feeder line, perceptual electronic component is added, using formula:
square being inversely proportional to of the size of known inductance value and operating frequency, so when the operating frequency needed be lower operating frequency, can by suitable embedding inductance or the realization of perceptual electronic component.The inductance value range of the perceptual electronic component added preferably between 0-5uH because, if the too large alternating signal of inductance value will be consumed by perceptual electronic component thus have influence on the radiation efficiency of antenna.Certainly also resistance may be added to improve the radiation resistance of antenna in the space on the first feeder line, the second feeder line.Certainly, the first feeder line and the second feeder line also can arrange multiple space, wherein segment space embedded resistor, segment space embeds perceptual electronic component, has both achieved the adjustment of operating frequency, can improve again the radiation resistance of antenna.Certainly according to other needs, also only electronic component can be added in segment space, other space wire short circuit.
(2) capacitive electrical element is embedded in the space between the first feeder line 2 and the first sheet metal 4, between the second feeder line 3 and the first sheet metal 4.Here by embedding the signal coupling between capacitive electrical element regulation first feeder line 2, second feeder line 3 and the first sheet metal 4, using formula:
square being inversely proportional to, so when the operating frequency needed is lower operating frequency, can be realized by suitable embedding capacitive electrical element of the size of known capacitance and operating frequency.The capacitance value range of the capacitive electrical element added is usually between 0-2pF, but the capacitance embedded along with the change of operating frequency of antenna also may exceed the scope of 0-2pF.Certainly, also can preset multiple space between the first feeder line 2, second feeder line 3 and the first sheet metal 4, in the space not being connected with electronic component, adopt wire short circuit.
(3) have in the space 6 on the first metal routing 43 of the first sheet metal and embed perceptual electronic component and/or resistance.The object embedding perceptual electronic component is herein the inductance value of increase by first sheet metal internal resonant structure, thus plays the effect of adjustment to the resonance frequency of antenna and bandwidth of operation; The object of embedded resistor improves the radiation resistance of antenna herein.So to embedding perceptual electronic component or resistance, then determine as required.In addition in the space not embedding electronic component, adopt wire short circuit.
(4) capacitive electrical element is embedded in reserved on the first micro groove structure 41 and the second micro groove structure 42 space 6.Embed the resonance performance that capacitive electrical element can change the first sheet metal, finally improve Q value and the resonant operational point of antenna.As common practise, we know, the pass of passband BW and resonance frequency wo and quality factor q is: BW=wo/Q, and this formula shows, Q is larger, and then passband is narrower, and the less then passband of Q is wider.Separately have: Q=wL/R=1/wRC, wherein, Q is quality factor; Supply frequency when w is circuit resonance; L is inductance; R is the resistance of string; C is electric capacity, and from Q=wL/R=1/wRC formula, Q and C is inverse ratio, therefore, can reduce Q value, passband is broadened by adding capacitive electrical element.
Dual polarized antenna of the present invention can be the same structure before not adding any element, just by adding different electronic components at diverse location, and the difference of the parameter of electronic component (inductance value, resistance value, capacitance), realize the performance parameter of different antennae, namely achieve versatility, therefore significantly can reduce production cost.
Described space of the present invention can be pad, also can be a vacancy.The structure of pad can see the pad on common circuit board.Certainly, what the design consideration of its size was different needs meeting different.
In addition, in the present invention, medium substrate can be made up of ceramic material, macromolecular material, ferroelectric material, ferrite material or ferromagnetic material.Preferably, being made up of macromolecular material, can be the macromolecular materials such as FR-4, F4B particularly.
In the present invention, the first sheet metal and the second sheet metal are copper sheet or silver strip.Be preferably copper sheet, cheap, conduct electricity very well.
In the present invention, the first feeder line, the second feeder line, the 3rd feeder line and the 4th feeder line select the material same with the first sheet metal and the second sheet metal to make.Be preferably copper.
Said in the present invention " asymmetrical first micro groove structure 41 and the second micro groove structure 42 " refers to, both the first micro groove structure 41 and the second micro groove structure 42 do not form axially symmetric structure.In other words, namely can not find a symmetry axis on a surface, the first micro groove structure 41 is symmetrical arranged with the second micro groove structure 42 this symmetry axis relative.
In like manner, said in the present invention " asymmetrical 3rd micro groove structure 41 and the 4th micro groove structure 42 " refers to, both the 3rd micro groove structure 71 and the 4th micro groove structure 72 do not form axially symmetric structure.In other words, namely can not find a symmetry axis on b surface, the 3rd micro groove structure 71 is symmetrical arranged with the 4th micro groove structure 72 this symmetry axis relative.
In the present invention; first micro groove structure 41 and the second micro groove structure 42 structure asymmetric; 3rd micro groove structure 71 and the 4th micro groove structure 72 structure asymmetric; therefore the electric capacity on two positions and inductance can be different; thus the resonance point that generation at least two is different; and resonance point is not easily offset, be conducive to realizing the abundant multimode of antenna.
First micro groove structure 41 of the present invention can be the same with the version of the second micro groove structure 42, also can be different.And the degree of asymmetry of the first micro groove structure 41 and the second micro groove structure 42 can regulate as required.In like manner, the 3rd micro groove structure 71 of the present invention can be the same with the version of the 4th micro groove structure 72, also can be different.And the degree of asymmetry of the 3rd micro groove structure 71 and the 4th micro groove structure 72 can regulate as required.Thus realize abundant adjustable multimode resonance.
And the present invention as required, same a slice sheet metal can also arrange more micro groove structure, with the different resonance frequency making described antenna have more than three.
Concrete, the asymmetric situation in the present invention can have following embodiment.
Figure 1 shows that the structural representation of described antenna first embodiment.Fig. 2 is its another visual angle figure.In the present embodiment, as shown in Figure 1, it is opening helical ring structure to be in first micro groove structure 41 on medium substrate a surface and the second micro groove structure 42, and the first micro groove structure 41 and the second micro groove structure 42 do not communicate, but the difference of its size causes the asymmetric of the two structure; Equally, as shown in Figure 2, it is opening helical ring structure to be in the 3rd micro groove structure 71 on medium substrate b surface and the 4th micro groove structure 72, but the difference of its size causes the asymmetric of the two structure; Antenna is made to have at least plural resonance frequency.In addition, in the present embodiment, the first sheet metal 4, first feeder line 2, second feeder line 3, first micro groove structure 41 on medium substrate a surface and the second projection of micro groove structure 42 on b surface overlap with the second sheet metal 7, the 3rd feeder line 8, the 4th feeder line 9, the 3rd micro groove structure 71 and the 4th micro groove structure 72 respectively, and the benefit done like this is Simplified flowsheet.
Figure 3 shows that the structural representation of described antenna second embodiment.Because the structure on medium substrate b surface is identical with the structure on a surface, so figure merely illustrates the structure in a face.In the present embodiment, it is opening helical ring structure to be in first micro groove structure 41 on medium substrate a surface and the second micro groove structure 42, and there is identical size, first micro groove structure 41 and the second micro groove structure 42 do not communicate, but structure is asymmetric both the setting on both the first micro groove structure 41 and the second micro groove structure 42 position causes.
Figure 4 shows that the structural representation of described antenna the 3rd embodiment.Because the structure on medium substrate b surface is identical with the structure on a surface, so figure merely illustrates the structure in a face.In the present embodiment, the first micro groove structure 41 being in medium substrate a surface is complementary helix structure, and the second micro groove structure 42 is opening helical ring structure, and the first micro groove structure 41 and the second micro groove structure 42 do not communicate, clearly, the first micro groove structure 41 and the second micro groove structure 42 asymmetric.
In addition, in above-mentioned three embodiments, first micro groove structure and the second micro groove structure can also realize the connection of the first micro groove structure and the second micro groove structure by the groove that hollow out on the first sheet metal one is new, same 3rd micro groove structure and the 4th micro groove structure also can realize the connection of the 3rd micro groove structure and the 4th micro groove structure by the groove that hollow out on the second sheet metal one article is new.After being communicated with, the first micro groove structure and the second micro groove structure are still unsymmetric structure, 3rd micro groove structure and the 4th micro groove structure are also unsymmetric structure, therefore, too much influence is not had to effect of the present invention, antenna can be made equally to have at least plural resonance frequency.
In the present invention, about the processing and manufacturing of antenna, as long as meet design principle of the present invention, various manufacture can be adopted.Prevailing method is the manufacture method using all kinds of printed circuit board (PCB) (PCB), and certainly, metallized through hole, the PCB of double-sided copper-clad manufactures and also can meet processing request of the present invention.Except this processing mode, other manufacturing process can also be introduced according to the actual needs, such as (RFID is the abbreviation of RadioFrequencyIdentification to RFID, i.e. REID, is commonly called as electronic tag) in use conductive silver paste ink processing mode, all kinds of can the processing mode that combines of the flexible PCB processing of deformable element, the processing mode of iron plate antenna and iron plate and PCB.Wherein, iron plate and PCB Combined machining mode refer to and utilize the accurate processing of PCB to complete the processing of antenna micro groove structure, complete other slave part with iron plate.In addition, the method can also carved by etching, electroplating, bore quarter, photoetching, electronics quarter or ion is processed.
The present invention also provides a kind of equipment applying above-mentioned bluetooth module, and described equipment is a pcb board also, and described antenna is connected with pcb board.Based on above-mentioned bluetooth module 10, bluetooth module described in various electronic apparatus application, as printer, PDA, desktop computer, facsimile machine, keyboard, game paddle and other digital devices all can above-mentioned bluetooth modules 10.In addition, based on the blue tooth wireless technology of above-mentioned bluetooth module 10 also for already present digital network and peripheral hardware provide general-purpose interface to set up the application of the special connection device of the individual away from a fixed network group.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.
Claims (8)
1. a bluetooth module, comprise link management unit, link control unit and an antenna, it is characterized in that, described antenna comprises medium substrate, be attached to the first sheet metal and second sheet metal on relative two surfaces of medium substrate, first sheet metal is provided with the first feeder line, second feeder line, second sheet metal is provided with the 3rd feeder line, 4th feeder line, described first feeder line and the second feeder line are all by the first sheet metal described in coupled modes feed-in, described 3rd feeder line and the 4th feeder line are all by the second sheet metal described in coupled modes feed-in, on described first sheet metal, hollow out has asymmetrical first micro groove structure and the second micro groove structure to form the first metal routing on the first sheet metal, on described second sheet metal, hollow out has asymmetrical 3rd micro groove structure and the 4th micro groove structure to form the second metal routing on the second sheet metal, described first micro groove structure, second micro groove structure, 3rd micro groove structure and the 4th micro groove structure are complementary opening resonance loop structure, complementary helix structure, opening helical ring structure, one in two opening helical ring structure and complementary folding line structure or derived by several structure above, the micro groove structure that compound or group battle array obtain, described first feeder line is electrically connected with the 3rd feeder line, described second feeder line is electrically connected with the 4th feeder line, described antenna is preset with the space that electronic component embeds, at the first feeder line, second feeder line, between first feeder line and the first sheet metal, the space that electronic component embeds all is set between the second feeder line and the first sheet metal and on these five positions of the first sheet metal, first feeder line of described antenna and the second feeder line have the perceptual electronic component of embedding, between first feeder line and the first sheet metal and there is between the second feeder line and the first sheet metal the capacitive electrical element of embedding, first metal routing of the first sheet metal has perceptual electronic component and/or the resistance of embedding.
2. bluetooth module according to claim 1, it is characterized in that, described antenna also comprise be arranged on the 3rd feeder line, the 4th feeder line, between the 3rd feeder line and the second sheet metal, between the 4th feeder line and the second sheet metal and these five positions of the second sheet metal at least one on space.
3. bluetooth module according to claim 1, is characterized in that, the space be arranged on described first sheet metal comprises the space be arranged on the first micro groove structure and/or the second micro groove structure.
4. bluetooth module according to claim 2, it is characterized in that, the space be arranged on described second sheet metal comprises the space on the second metal routing of being arranged on the second sheet metal, or the space be arranged on described second sheet metal comprises the space be arranged on the 3rd micro groove structure and/or the 4th micro groove structure.
5. the bluetooth module according to claim 1 or 3, is characterized in that, described space is be formed in the pad on described antenna.
6. bluetooth module according to claim 1, is characterized in that, the scope of described perceptual electronic component inductance value is between 0-5uH.
7. bluetooth module according to claim 6, is characterized in that, the scope of described capacitive electrical component capacitance value is between 0-2pF.
8. comprise an equipment for the bluetooth module of any one in claim 1 to 7, it is characterized in that, described equipment also comprises a pcb board, and described antenna is by being connected with pcb board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110144775.2A CN102800934B (en) | 2011-05-31 | 2011-05-31 | The equipment of bluetooth module and application bluetooth module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110144775.2A CN102800934B (en) | 2011-05-31 | 2011-05-31 | The equipment of bluetooth module and application bluetooth module |
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| Publication Number | Publication Date |
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| CN102800934A CN102800934A (en) | 2012-11-28 |
| CN102800934B true CN102800934B (en) | 2016-01-13 |
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| CN201110144775.2A Expired - Fee Related CN102800934B (en) | 2011-05-31 | 2011-05-31 | The equipment of bluetooth module and application bluetooth module |
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| CN101667680A (en) * | 2009-08-31 | 2010-03-10 | 深圳市启汉科技有限公司 | Monopole radio frequency antenna |
| CN101740862A (en) * | 2008-11-20 | 2010-06-16 | 东莞市启汉电子科技有限公司 | Dipole antenna of RF chip |
| CN202094293U (en) * | 2011-05-31 | 2011-12-28 | 深圳光启高等理工研究院 | Bluetooth module and device applying same |
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| CN1638322A (en) * | 2003-09-12 | 2005-07-13 | 诺基亚公司 | Method and system for repeating request in hybrid ultra wideband-bluetooth radio |
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| CN101040555A (en) * | 2004-10-07 | 2007-09-19 | 诺基亚公司 | Reconfigurable wireless communications device and radio |
| CN101111972A (en) * | 2005-01-27 | 2008-01-23 | 株式会社村田制作所 | Antenna and wireless communication device |
| CN101478079A (en) * | 2008-01-04 | 2009-07-08 | 华硕电脑股份有限公司 | Array antenna and electronic device using same |
| CN101740862A (en) * | 2008-11-20 | 2010-06-16 | 东莞市启汉电子科技有限公司 | Dipole antenna of RF chip |
| CN101667680A (en) * | 2009-08-31 | 2010-03-10 | 深圳市启汉科技有限公司 | Monopole radio frequency antenna |
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|---|---|
| CN102800934A (en) | 2012-11-28 |
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